[Enter `^Ec?' for help] coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 bootblock starting... CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz CPU: ID 806e9, Kabylake H0, ucode: 00000097 CPU: AES supported, TXT NOT supported, VT supported MCH: device id 590c (rev 02) is Kabylake-Y PCH: device id 9d4b (rev 21) is Kabylake-Y iHDCP 2.2 Premium IGD: device id 591c (rev 02) is Amberlake ULX GT2 VBOOT: Loading verstage. CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/verstage' CBFS: Found @ offset 1a0a80 size f47c coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 verstage starting... Probing TPM: .Timeout wait for TPM IRQ! . done! TPM ready after 0 ms Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_A:0.5.6/cr50_v1.9308_87_mp.510-d2da4373 Initialized TPM device CR50 revision 0 tlcl_send_startup: Startup return code is 0 TPM: setup succeeded src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x1007 return code 0 Chrome EC: UHEPI supported Phase 1 FMAP: Found \"FLASH\" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area GBB found @ c11000 (978944 bytes) VB2:vb2_check_recovery() Recovery reason from previous boot: 0x0 / 0x0 Phase 2 Phase 3 FMAP: area GBB found @ c11000 (978944 bytes) VB2:vb2_report_dev_firmware() This is developer signed firmware FMAP: area VBLOCK_B found @ 5e8000 (65536 bytes) FMAP: area VBLOCK_B found @ 5e8000 (65536 bytes) VB2:vb2_verify_keyblock() Checking key block signature... FMAP: area VBLOCK_B found @ 5e8000 (65536 bytes) FMAP: area VBLOCK_B found @ 5e8000 (65536 bytes) VB2:vb2_verify_fw_preamble() Verifying preamble. Phase 4 FMAP: area FW_MAIN_B found @ 5f8000 (4030400 bytes) VB2:vb2api_init_hash() HW crypto for hash_alg 2 not supported, using SW VB2:vb2_rsa_verify_digest() Digest check failed! VB2:vb2_fail() Need recovery, reason: 0x1b / 0x7 Saving nvdata Reboot requested (10020007) board_reset() called! full_reset() called! coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 bootblock starting... CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz CPU: ID 806e9, Kabylake H0, ucode: 00000097 CPU: AES supported, TXT NOT supported, VT supported MCH: device id 590c (rev 02) is Kabylake-Y PCH: device id 9d4b (rev 21) is Kabylake-Y iHDCP 2.2 Premium IGD: device id 591c (rev 02) is Amberlake ULX GT2 VBOOT: Loading verstage. CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/verstage' CBFS: Found @ offset 1a0a80 size f47c coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 verstage starting... Probing TPM: . done! TPM ready after 0 ms Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_A:0.5.6/cr50_v1.9308_87_mp.510-d2da4373 Initialized TPM device CR50 revision 0 tlcl_send_startup: Startup return code is 0 TPM: setup succeeded src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x1007 return code 0 Chrome EC: UHEPI supported Phase 1 FMAP: Found \"FLASH\" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area GBB found @ c11000 (978944 bytes) VB2:vb2_check_recovery() Recovery reason from previous boot: 0x1b / 0x7 VB2:vb2_check_recovery() We have a recovery request: 0x1b / 0x0 Recovery requested (1009000e) Saving nvdata tlcl_extend: response is 0 tlcl_extend: response is 0 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/romstage' CBFS: Found @ offset 80 size 10ffc coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 romstage starting... pm1_sts: 0100 pm1_en: 0000 pm1_cnt: 00001c00 gpe0_sts[0]: 00000000 gpe0_en[0]: 00000000 gpe0_sts[1]: 00000000 gpe0_en[1]: 00000000 gpe0_sts[2]: 00000001 gpe0_en[2]: 00000000 gpe0_sts[3]: 00000000 gpe0_en[3]: 00010000 TCO_STS: 0000 0000 GEN_PMCON: e0040200 0000523a GBLRST_CAUSE: 00000000 00000000 prev_sleep_state 5 Boot Count incremented to 28650 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 30 exit 0 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'cpu_microcode_blob.bin' CBFS: Found @ offset 11100 size d7c00 microcode: sig=0x806e9 pf=0x10 revision=0x97 Skip microcode update CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fsps.bin' CBFS: Found @ offset 167fc0 size 2f000 Detected 2 core, 4 thread CPU. Setting up SMI for CPU IED base = 0x7b400000 IED size = 0x00400000 Will perform SMM setup. CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz. Loading module at 00030000 with entry 00030000. filesize: 0x170 memsize: 0x170 Processing 16 relocs. Offset value of 0x00030000 Attempting to start 3 APs Waiting for 10ms after sending INIT. Waiting for 1st SIPI to complete...done. AP: slot 3 apic_id 3. AP: slot 2 apic_id 2. Waiting for 2nd SIPI to complete...done. AP: slot 1 apic_id 1. Loading module at 00038000 with entry 00038000. filesize: 0x1a8 memsize: 0x1a8 Processing 13 relocs. Offset value of 0x00038000 SMM Module: stub loaded at 00038000. Will call 7ab21603(00000000) Installing SMM handler to 0x7b000000 Loading module at 7b010000 with entry 7b010a19. filesize: 0x3b08 memsize: 0x8bc0 Processing 243 relocs. Offset value of 0x7b010000 Loading module at 7b008000 with entry 7b008000. filesize: 0x1a8 memsize: 0x1a8 Processing 13 relocs. Offset value of 0x7b008000 SMM Module: placing jmp sequence at 7b007c00 rel16 0x03fd SMM Module: placing jmp sequence at 7b007800 rel16 0x07fd SMM Module: placing jmp sequence at 7b007400 rel16 0x0bfd SMM Module: stub loaded at 7b008000. Will call 7b010a19(00000000) Clearing SMI status registers SMI_STS: PM1 PM1_STS: PWRBTN TCO_STS: BOOT SECOND_TO New SMBASE 0x7b000000 In relocation handler: CPU 0 New SMBASE=0x7b000000 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afffc00 In relocation handler: CPU 1 New SMBASE=0x7afffc00 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 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...Setting up local APIC... apic_id: 0x03 done. CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Skip microcode update Setting up local APIC... apic_id: 0x01 done. apic_id: 0x02 done. CPU #3 initialized Skip microcode update Skip microcode update CPU #2 initialized CPU #1 initialized bsp_do_flight_plan done after 228 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 376027 run 170425 exit 0 Enumerating buses... Show all devs... Before device enumeration. Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 DOMAIN: 0000: enabled 1 APIC: 00: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 PCI: 00:15.1: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PCI: 00:1f.1: enabled 1 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 USB0 port 0: enabled 1 I2C: 00:5c: enabled 1 I2C: 00:15: enabled 1 I2C: 00:39: enabled 1 I2C: 00:3a: enabled 1 I2C: 00:1a: enabled 1 PCI: 00:00.0: enabled 1 SPI: 00: enabled 1 PNP: 0c09.0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 APIC: 01: enabled 1 APIC: 02: enabled 1 APIC: 03: enabled 1 Compare with tree... Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 APIC: 00: enabled 1 APIC: 01: enabled 1 APIC: 02: enabled 1 APIC: 03: enabled 1 DOMAIN: 0000: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 USB0 port 0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 I2C: 00:5c: enabled 1 PCI: 00:15.1: enabled 1 I2C: 00:15: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 I2C: 00:39: enabled 1 I2C: 00:3a: enabled 1 I2C: 00:1a: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 SPI: 00: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PNP: 0c09.0: enabled 1 PCI: 00:1f.1: enabled 1 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 Root Device scanning... root_dev_scan_bus for Root Device CPU_CLUSTER: 0 enabled DOMAIN: 0000 enabled DOMAIN: 0000 scanning... PCI: pci_scan_bus for bus 00 PCI: 00:00.0 [8086/0000] ops PCI: 00:00.0 [8086/590c] enabled PCI: 00:02.0 [8086/0000] ops PCI: 00:02.0 [8086/591c] enabled PCI: 00:04.0 [8086/1903] enabled PCI: 00:08.0 [8086/1911] enabled PCI: 00:14.0 [8086/0000] bus ops PCI: 00:14.0 [8086/9d2f] enabled PCI: 00:14.2 [8086/9d31] enabled PCI: 00:15.0 [8086/0000] bus ops PCI: 00:15.0 [8086/9d60] enabled PCI: 00:15.1 [8086/0000] bus ops PCI: 00:15.1 [8086/9d61] enabled PCI: 00:16.0 [8086/0000] ops PCI: 00:16.0 [8086/9d3a] enabled PCI: 00:19.0 [8086/0000] ops PCI: 00:19.0 [8086/9d66] enabled PCI: 00:19.1 [8086/0000] bus ops PCI: 00:19.1 [8086/9d65] enabled PCI: 00:1c.0 [8086/0000] bus ops PCI: 00:1c.0 [8086/9d10] enabled PCI: 00:1e.0 [8086/0000] ops PCI: 00:1e.0 [8086/9d27] enabled PCI: 00:1e.2 [8086/0000] bus ops PCI: 00:1e.2 [8086/9d29] enabled PCI: 00:1e.4 [8086/9d2b] enabled PCI: 00:1e.6 [8086/0000] ops PCI: 00:1e.6 [8086/9d2d] enabled PCI: 00:1f.0 [8086/0000] bus ops PCI: 00:1f.0 [8086/9d4b] enabled PCI: Static device PCI: 00:1f.1 not found, disabling it. PCI: 00:1f.2 [8086/0000] bus ops PCI: 00:1f.2 [8086/9d21] enabled PCI: 00:1f.3 [8086/0000] bus ops PCI: 00:1f.3 [8086/9d71] enabled PCI: 00:1f.4 [8086/0000] bus ops PCI: 00:1f.4 [8086/9d23] enabled PCI: 00:1f.5 [8086/0000] bus ops PCI: 00:1f.5 [8086/9d24] enabled PCI: 00:14.0 scanning... scan_usb_bus for PCI: 00:14.0 USB0 port 0 enabled USB0 port 0 scanning... scan_usb_bus for USB0 port 0 USB2 port 0 enabled USB2 port 1 enabled USB2 port 2 enabled USB2 port 4 enabled USB2 port 8 enabled USB2 port 0 scanning... scan_usb_bus for USB2 port 0 scan_usb_bus for USB2 port 0 done scan_bus: scanning of bus USB2 port 0 took 8967 usecs USB2 port 1 scanning... scan_usb_bus for USB2 port 1 scan_usb_bus for USB2 port 1 done scan_bus: scanning of bus USB2 port 1 took 8971 usecs USB2 port 2 scanning... scan_usb_bus for USB2 port 2 scan_usb_bus for USB2 port 2 done scan_bus: scanning of bus USB2 port 2 took 8973 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 8962 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 8960 usecs scan_usb_bus for USB0 port 0 done scan_bus: scanning of bus USB0 port 0 took 90922 usecs scan_usb_bus for PCI: 00:14.0 done scan_bus: scanning of bus PCI: 00:14.0 took 107699 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 14150 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 14147 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 22365 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 53520 usecs PCI: 00:1e.2 scanning... scan_generic_bus for PCI: 00:1e.2 bus: PCI: 00:1e.2[0]->SPI: 00 enabled scan_generic_bus for PCI: 00:1e.2 done scan_bus: scanning of bus PCI: 00:1e.2 took 13865 usecs PCI: 00:1f.0 scanning... scan_lpc_bus for PCI: 00:1f.0 PNP: 0c09.0 enabled scan_lpc_bus for PCI: 00:1f.0 done scan_bus: scanning of bus PCI: 00:1f.0 took 11325 usecs PCI: 00:1f.2 scanning... scan_lpc_bus for PCI: 00:1f.2 scan_lpc_bus for PCI: 00:1f.2 done scan_bus: scanning of bus PCI: 00:1f.2 took 9267 usecs PCI: 00:1f.3 scanning... scan_bus: scanning of bus PCI: 00:1f.3 took 2719 usecs PCI: 00:1f.4 scanning... scan_generic_bus for PCI: 00:1f.4 scan_generic_bus for PCI: 00:1f.4 done scan_bus: scanning of bus PCI: 00:1f.4 took 10039 usecs PCI: 00:1f.5 scanning... scan_generic_bus for PCI: 00:1f.5 scan_generic_bus for PCI: 00:1f.5 done scan_bus: scanning of bus PCI: 00:1f.5 took 10048 usecs scan_bus: scanning of bus DOMAIN: 0000 took 465965 usecs root_dev_scan_bus for Root Device done scan_bus: scanning of bus Root Device took 486075 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 825730 exit 39273 found VGA at PCI: 00:02.0 Setting up VGA for PCI: 00:02.0 Setting PCI_BRIDGE_CTL_VGA for bridge DOMAIN: 0000 Setting PCI_BRIDGE_CTL_VGA for bridge Root Device Allocating resources... Reading resources... Root Device read_resources bus 0 link: 0 CPU_CLUSTER: 0 read_resources bus 0 link: 0 CPU_CLUSTER: 0 read_resources bus 0 link: 0 done DOMAIN: 0000 read_resources bus 0 link: 0 PCI: 00:14.0 read_resources bus 0 link: 0 USB0 port 0 read_resources bus 0 link: 0 USB0 port 0 read_resources bus 0 link: 0 done PCI: 00:14.0 read_resources bus 0 link: 0 done PCI: 00:15.0 read_resources bus 1 link: 0 PCI: 00:15.0 read_resources bus 1 link: 0 done PCI: 00:15.1 read_resources bus 2 link: 0 PCI: 00:15.1 read_resources bus 2 link: 0 done PCI: 00:19.1 read_resources bus 3 link: 0 PCI: 00:19.1 read_resources bus 3 link: 0 done PCI: 00:1c.0 read_resources bus 1 link: 0 PCI: 00:1c.0 read_resources bus 1 link: 0 done PCI: 00:1e.2 read_resources bus 4 link: 0 PCI: 00:1e.2 read_resources bus 4 link: 0 done PCI: 00:1f.0 read_resources bus 0 link: 0 PCI: 00:1f.0 read_resources bus 0 link: 0 done DOMAIN: 0000 read_resources bus 0 link: 0 done Root Device read_resources bus 0 link: 0 done Done reading resources. Show resources in subtree (Root Device)...After reading. Root Device child on link 0 CPU_CLUSTER: 0 CPU_CLUSTER: 0 child on link 0 APIC: 00 APIC: 00 APIC: 01 APIC: 02 APIC: 03 DOMAIN: 0000 child on link 0 PCI: 00:00.0 DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffff flags 40040100 index 10000000 DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffffffff flags 40040200 index 10000100 PCI: 00:00.0 PCI: 00:00.0 resource base e0000000 size 4000000 align 0 gran 0 limit 0 flags f0000200 index 0 PCI: 00:00.0 resource base fed10000 size 8000 align 0 gran 0 limit 0 flags f0000200 index 1 PCI: 00:00.0 resource base fed18000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 2 PCI: 00:00.0 resource base fed19000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 3 PCI: 00:00.0 resource base fed84000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 4 PCI: 00:00.0 resource base fed80000 size 4000 align 0 gran 0 limit 0 flags f0000200 index 5 PCI: 00:00.0 resource base fed90000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 6 PCI: 00:00.0 resource base fed91000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 7 PCI: 00:00.0 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 8 PCI: 00:00.0 resource base c0000 size 7af40000 align 0 gran 0 limit 0 flags e0004200 index 9 PCI: 00:00.0 resource base 7b000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index b PCI: 00:00.0 resource base 7b800000 size 4800000 align 0 gran 0 limit 0 flags f0000200 index c PCI: 00:00.0 resource base 100000000 size 7f000000 align 0 gran 0 limit 0 flags e0004200 index d PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index e PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index f PCI: 00:02.0 PCI: 00:02.0 resource base 0 size 1000000 align 24 gran 24 limit ffffffffffffffff flags 201 index 10 PCI: 00:02.0 resource base 0 size 10000000 align 28 gran 28 limit ffffffffffffffff flags 1201 index 18 PCI: 00:02.0 resource base 0 size 40 align 6 gran 6 limit ffff flags 100 index 20 PCI: 00:04.0 PCI: 00:04.0 resource base 0 size 8000 align 15 gran 15 limit ffffffffffffffff flags 201 index 10 PCI: 00:08.0 PCI: 00:08.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:14.0 child on link 0 USB0 port 0 PCI: 00:14.0 resource base 0 size 10000 align 16 gran 16 limit ffffffffffffffff flags 201 index 10 USB0 port 0 child on link 0 USB2 port 0 USB2 port 0 USB2 port 1 USB2 port 2 USB2 port 4 USB2 port 8 PCI: 00:14.1 PCI: 00:14.2 PCI: 00:14.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:15.0 child on link 0 I2C: 01:5c PCI: 00:15.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 01:5c PCI: 00:15.1 child on link 0 I2C: 02:15 PCI: 00:15.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 02:15 PCI: 00:15.2 PCI: 00:15.3 PCI: 00:16.0 PCI: 00:16.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:16.1 PCI: 00:16.2 PCI: 00:16.3 PCI: 00:16.4 PCI: 00:17.0 PCI: 00:19.0 PCI: 00:19.0 resource base fe034000 size 1000 align 12 gran 12 limit ffffffffffffffff flags c0000200 index 10 PCI: 00:19.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 PCI: 00:19.1 child on link 0 I2C: 03:39 PCI: 00:19.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 03:39 I2C: 03:3a I2C: 03:1a PCI: 00:19.2 PCI: 00:1c.0 child on link 0 PCI: 01:00.0 PCI: 00:1c.0 resource base 0 size 0 align 12 gran 12 limit ffff flags 80102 index 1c PCI: 00:1c.0 resource base 0 size 0 align 20 gran 20 limit ffffffffffffffff flags 81202 index 24 PCI: 00:1c.0 resource base 0 size 0 align 20 gran 20 limit ffffffff flags 80202 index 20 PCI: 01:00.0 PCI: 01:00.0 resource base 0 size 2000 align 13 gran 13 limit ffffffffffffffff flags 201 index 10 PCI: 00:1c.1 PCI: 00:1c.2 PCI: 00:1c.3 PCI: 00:1c.4 PCI: 00:1c.5 PCI: 00:1c.6 PCI: 00:1c.7 PCI: 00:1d.0 PCI: 00:1d.1 PCI: 00:1d.2 PCI: 00:1d.3 PCI: 00:1e.0 PCI: 00:1e.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1e.1 PCI: 00:1e.2 child on link 0 SPI: 00 PCI: 00:1e.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 SPI: 00 PCI: 00:1e.3 PCI: 00:1e.4 PCI: 00:1e.4 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1e.5 PCI: 00:1e.6 PCI: 00:1e.6 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.0 child on link 0 PNP: 0c09.0 PCI: 00:1f.0 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0000100 index 0 PNP: 0c09.0 PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0 PCI: 00:1f.1 PCI: 00:1f.2 PCI: 00:1f.2 resource base 0 size 4000 align 14 gran 14 limit ffffffff flags 200 index 10 PCI: 00:1f.2 resource base fe000000 size 10000 align 0 gran 0 limit 0 flags d0000200 index 48 PCI: 00:1f.2 resource base 1800 size 100 align 0 gran 0 limit 0 flags c0000100 index 40 PCI: 00:1f.3 PCI: 00:1f.3 resource base 0 size 4000 align 14 gran 14 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.3 resource base 0 size 10000 align 16 gran 16 limit ffffffffffffffff flags 201 index 20 PCI: 00:1f.4 PCI: 00:1f.4 resource base efa0 size 20 align 0 gran 0 limit efbf flags f0000100 index 20 PCI: 00:1f.4 resource base 0 size 100 align 12 gran 8 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.5 PCI: 00:1f.5 resource base 0 size 1000 align 12 gran 12 limit ffffffff flags 200 index 10 PCI: 00:1f.6 DOMAIN: 0000 io: base: 0 size: 0 align: 0 gran: 0 limit: ffff PCI: 00:1c.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff PCI: 00:1c.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff done PCI: 00:02.0 20 * [0x0 - 0x3f] io DOMAIN: 0000 io: base: 40 size: 40 align: 6 gran: 0 limit: ffff done DOMAIN: 0000 mem: base: 0 size: 0 align: 0 gran: 0 limit: ffffffff PCI: 00:1c.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff PCI: 00:1c.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff done PCI: 00:1c.0 mem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffff PCI: 01:00.0 10 * [0x0 - 0x1fff] mem PCI: 00:1c.0 mem: base: 2000 size: 100000 align: 20 gran: 20 limit: ffffffff done PCI: 00:02.0 18 * [0x0 - 0xfffffff] prefmem PCI: 00:02.0 10 * [0x10000000 - 0x10ffffff] mem PCI: 00:1c.0 20 * [0x11000000 - 0x110fffff] mem PCI: 00:14.0 10 * [0x11100000 - 0x1110ffff] mem PCI: 00:1f.3 20 * [0x11110000 - 0x1111ffff] mem PCI: 00:04.0 10 * [0x11120000 - 0x11127fff] mem PCI: 00:1f.2 10 * [0x11128000 - 0x1112bfff] mem PCI: 00:1f.3 10 * [0x1112c000 - 0x1112ffff] mem PCI: 00:08.0 10 * [0x11130000 - 0x11130fff] mem PCI: 00:14.2 10 * [0x11131000 - 0x11131fff] mem PCI: 00:15.0 10 * [0x11132000 - 0x11132fff] mem PCI: 00:15.1 10 * [0x11133000 - 0x11133fff] mem PCI: 00:16.0 10 * [0x11134000 - 0x11134fff] mem PCI: 00:19.0 18 * [0x11135000 - 0x11135fff] mem PCI: 00:19.1 10 * [0x11136000 - 0x11136fff] mem PCI: 00:1e.0 10 * [0x11137000 - 0x11137fff] mem PCI: 00:1e.2 10 * [0x11138000 - 0x11138fff] mem PCI: 00:1e.4 10 * [0x11139000 - 0x11139fff] mem PCI: 00:1e.6 10 * [0x1113a000 - 0x1113afff] mem PCI: 00:1f.5 10 * [0x1113b000 - 0x1113bfff] mem PCI: 00:1f.4 10 * [0x1113c000 - 0x1113c0ff] mem DOMAIN: 0000 mem: base: 1113c100 size: 1113c100 align: 28 gran: 0 limit: ffffffff done avoid_fixed_resources: DOMAIN: 0000 avoid_fixed_resources:@DOMAIN: 0000 10000000 limit 0000ffff avoid_fixed_resources:@DOMAIN: 0000 10000100 limit ffffffff constrain_resources: PCI: 00:00.0 00 base e0000000 limit e3ffffff mem (fixed) constrain_resources: PCI: 00:00.0 08 base 00000000 limit 0009ffff mem (fixed) constrain_resources: PCI: 00:00.0 09 base 000c0000 limit 7affffff mem (fixed) constrain_resources: PCI: 00:00.0 0b base 7b000000 limit 7b7fffff mem (fixed) constrain_resources: PCI: 00:00.0 0c base 7b800000 limit 7fffffff mem (fixed) constrain_resources: PCI: 00:1f.0 00 base 00000000 limit 00000fff io (fixed) constrain_resources: PCI: 00:1f.2 40 base 00001800 limit 000018ff io (fixed) constrain_resources: PCI: 00:1f.4 20 base 0000efa0 limit 0000efbf io (fixed) avoid_fixed_resources:@DOMAIN: 0000 10000000 base 00001900 limit 0000ef9f avoid_fixed_resources:@DOMAIN: 0000 10000100 base c0000000 limit dfffffff Setting resources... DOMAIN: 0000 io: base:1900 size:40 align:6 gran:0 limit:ef9f PCI: 00:02.0 20 * [0x1c00 - 0x1c3f] io DOMAIN: 0000 io: next_base: 1c40 size: 40 align: 6 gran: 0 done PCI: 00:1c.0 io: base:ef9f size:0 align:12 gran:12 limit:ef9f PCI: 00:1c.0 io: next_base: ef9f size: 0 align: 12 gran: 12 done DOMAIN: 0000 mem: base:c0000000 size:1113c100 align:28 gran:0 limit:dfffffff PCI: 00:02.0 18 * [0xc0000000 - 0xcfffffff] prefmem PCI: 00:02.0 10 * [0xd0000000 - 0xd0ffffff] mem PCI: 00:1c.0 20 * [0xd1000000 - 0xd10fffff] mem PCI: 00:14.0 10 * [0xd1100000 - 0xd110ffff] mem PCI: 00:1f.3 20 * [0xd1110000 - 0xd111ffff] mem PCI: 00:04.0 10 * [0xd1120000 - 0xd1127fff] mem PCI: 00:1f.2 10 * [0xd1128000 - 0xd112bfff] mem PCI: 00:1f.3 10 * [0xd112c000 - 0xd112ffff] mem PCI: 00:08.0 10 * [0xd1130000 - 0xd1130fff] mem PCI: 00:14.2 10 * [0xd1131000 - 0xd1131fff] mem PCI: 00:15.0 10 * [0xd1132000 - 0xd1132fff] mem PCI: 00:15.1 10 * [0xd1133000 - 0xd1133fff] mem PCI: 00:16.0 10 * [0xd1134000 - 0xd1134fff] mem PCI: 00:19.0 18 * [0xd1135000 - 0xd1135fff] mem PCI: 00:19.1 10 * [0xd1136000 - 0xd1136fff] mem PCI: 00:1e.0 10 * [0xd1137000 - 0xd1137fff] mem PCI: 00:1e.2 10 * [0xd1138000 - 0xd1138fff] mem PCI: 00:1e.4 10 * [0xd1139000 - 0xd1139fff] mem PCI: 00:1e.6 10 * [0xd113a000 - 0xd113afff] mem PCI: 00:1f.5 10 * [0xd113b000 - 0xd113bfff] mem PCI: 00:1f.4 10 * [0xd113c000 - 0xd113c0ff] mem DOMAIN: 0000 mem: next_base: d113c100 size: 1113c100 align: 28 gran: 0 done PCI: 00:1c.0 prefmem: base:dfffffff size:0 align:20 gran:20 limit:dfffffff PCI: 00:1c.0 prefmem: next_base: dfffffff size: 0 align: 20 gran: 20 done PCI: 00:1c.0 mem: base:d1000000 size:100000 align:20 gran:20 limit:d10fffff PCI: 01:00.0 10 * [0xd1000000 - 0xd1001fff] mem PCI: 00:1c.0 mem: next_base: d1002000 size: 100000 align: 20 gran: 20 done Root Device assign_resources, bus 0 link: 0 DOMAIN: 0000 assign_resources, bus 0 link: 0 PCI: 00:02.0 10 <- [0x00d0000000 - 0x00d0ffffff] size 0x01000000 gran 0x18 mem64 PCI: 00:02.0 18 <- [0x00c0000000 - 0x00cfffffff] size 0x10000000 gran 0x1c prefmem64 PCI: 00:02.0 20 <- [0x0000001c00 - 0x0000001c3f] size 0x00000040 gran 0x06 io PCI: 00:04.0 10 <- [0x00d1120000 - 0x00d1127fff] size 0x00008000 gran 0x0f mem64 PCI: 00:08.0 10 <- [0x00d1130000 - 0x00d1130fff] size 0x00001000 gran 0x0c mem64 PCI: 00:14.0 10 <- [0x00d1100000 - 0x00d110ffff] size 0x00010000 gran 0x10 mem64 PCI: 00:14.0 assign_resources, bus 0 link: 0 PCI: 00:14.0 assign_resources, bus 0 link: 0 PCI: 00:14.2 10 <- [0x00d1131000 - 0x00d1131fff] size 0x00001000 gran 0x0c mem64 PCI: 00:15.0 10 <- [0x00d1132000 - 0x00d1132fff] size 0x00001000 gran 0x0c mem64 PCI: 00:15.0 assign_resources, bus 1 link: 0 PCI: 00:15.0 assign_resources, bus 1 link: 0 PCI: 00:15.1 10 <- [0x00d1133000 - 0x00d1133fff] size 0x00001000 gran 0x0c mem64 PCI: 00:15.1 assign_resources, bus 2 link: 0 PCI: 00:15.1 assign_resources, bus 2 link: 0 PCI: 00:16.0 10 <- [0x00d1134000 - 0x00d1134fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.0 18 <- [0x00d1135000 - 0x00d1135fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.1 10 <- [0x00d1136000 - 0x00d1136fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.1 assign_resources, bus 3 link: 0 PCI: 00:19.1 assign_resources, bus 3 link: 0 PCI: 00:1c.0 1c <- [0x000000ef9f - 0x000000ef9e] size 0x00000000 gran 0x0c bus 01 io PCI: 00:1c.0 24 <- [0x00dfffffff - 0x00dffffffe] size 0x00000000 gran 0x14 bus 01 prefmem PCI: 00:1c.0 20 <- [0x00d1000000 - 0x00d10fffff] size 0x00100000 gran 0x14 bus 01 mem PCI: 00:1c.0 assign_resources, bus 1 link: 0 PCI: 01:00.0 10 <- [0x00d1000000 - 0x00d1001fff] size 0x00002000 gran 0x0d mem64 PCI: 00:1c.0 assign_resources, bus 1 link: 0 PCI: 00:1e.0 10 <- [0x00d1137000 - 0x00d1137fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1e.2 10 <- [0x00d1138000 - 0x00d1138fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1e.2 assign_resources, bus 4 link: 0 PCI: 00:1e.2 assign_resources, bus 4 link: 0 PCI: 00:1e.4 10 <- [0x00d1139000 - 0x00d1139fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1e.6 10 <- [0x00d113a000 - 0x00d113afff] size 0x00001000 gran 0x0c mem64 PCI: 00:1f.0 assign_resources, bus 0 link: 0 PCI: 00:1f.0 assign_resources, bus 0 link: 0 LPC: Trying to open IO window from 800 size 1ff PCI: 00:1f.2 10 <- [0x00d1128000 - 0x00d112bfff] size 0x00004000 gran 0x0e mem PCI: 00:1f.3 10 <- [0x00d112c000 - 0x00d112ffff] size 0x00004000 gran 0x0e mem64 PCI: 00:1f.3 20 <- [0x00d1110000 - 0x00d111ffff] size 0x00010000 gran 0x10 mem64 PCI: 00:1f.4 10 <- [0x00d113c000 - 0x00d113c0ff] size 0x00000100 gran 0x08 mem64 PCI: 00:1f.5 10 <- [0x00d113b000 - 0x00d113bfff] size 0x00001000 gran 0x0c mem DOMAIN: 0000 assign_resources, bus 0 link: 0 Root Device assign_resources, bus 0 link: 0 Done setting resources. Show resources in subtree (Root Device)...After assigning values. Root Device child on link 0 CPU_CLUSTER: 0 CPU_CLUSTER: 0 child on link 0 APIC: 00 APIC: 00 APIC: 01 APIC: 02 APIC: 03 DOMAIN: 0000 child on link 0 PCI: 00:00.0 DOMAIN: 0000 resource base 1900 size 40 align 6 gran 0 limit ef9f flags 40040100 index 10000000 DOMAIN: 0000 resource base c0000000 size 1113c100 align 28 gran 0 limit dfffffff flags 40040200 index 10000100 PCI: 00:00.0 PCI: 00:00.0 resource base e0000000 size 4000000 align 0 gran 0 limit 0 flags f0000200 index 0 PCI: 00:00.0 resource base fed10000 size 8000 align 0 gran 0 limit 0 flags f0000200 index 1 PCI: 00:00.0 resource base fed18000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 2 PCI: 00:00.0 resource base fed19000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 3 PCI: 00:00.0 resource base fed84000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 4 PCI: 00:00.0 resource base fed80000 size 4000 align 0 gran 0 limit 0 flags f0000200 index 5 PCI: 00:00.0 resource base fed90000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 6 PCI: 00:00.0 resource base fed91000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 7 PCI: 00:00.0 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 8 PCI: 00:00.0 resource base c0000 size 7af40000 align 0 gran 0 limit 0 flags e0004200 index 9 PCI: 00:00.0 resource base 7b000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index b PCI: 00:00.0 resource base 7b800000 size 4800000 align 0 gran 0 limit 0 flags f0000200 index c PCI: 00:00.0 resource base 100000000 size 7f000000 align 0 gran 0 limit 0 flags e0004200 index d PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index e PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index f PCI: 00:02.0 PCI: 00:02.0 resource base d0000000 size 1000000 align 24 gran 24 limit d0ffffff flags 60000201 index 10 PCI: 00:02.0 resource base c0000000 size 10000000 align 28 gran 28 limit cfffffff flags 60001201 index 18 PCI: 00:02.0 resource base 1c00 size 40 align 6 gran 6 limit 1c3f flags 60000100 index 20 PCI: 00:04.0 PCI: 00:04.0 resource base d1120000 size 8000 align 15 gran 15 limit d1127fff flags 60000201 index 10 PCI: 00:08.0 PCI: 00:08.0 resource base d1130000 size 1000 align 12 gran 12 limit d1130fff flags 60000201 index 10 PCI: 00:14.0 child on link 0 USB0 port 0 PCI: 00:14.0 resource base d1100000 size 10000 align 16 gran 16 limit d110ffff flags 60000201 index 10 USB0 port 0 child on link 0 USB2 port 0 USB2 port 0 USB2 port 1 USB2 port 2 USB2 port 4 USB2 port 8 PCI: 00:14.1 PCI: 00:14.2 PCI: 00:14.2 resource base d1131000 size 1000 align 12 gran 12 limit d1131fff flags 60000201 index 10 PCI: 00:15.0 child on link 0 I2C: 01:5c PCI: 00:15.0 resource base d1132000 size 1000 align 12 gran 12 limit d1132fff flags 60000201 index 10 I2C: 01:5c PCI: 00:15.1 child on link 0 I2C: 02:15 PCI: 00:15.1 resource base d1133000 size 1000 align 12 gran 12 limit d1133fff flags 60000201 index 10 I2C: 02:15 PCI: 00:15.2 PCI: 00:15.3 PCI: 00:16.0 PCI: 00:16.0 resource base d1134000 size 1000 align 12 gran 12 limit d1134fff flags 60000201 index 10 PCI: 00:16.1 PCI: 00:16.2 PCI: 00:16.3 PCI: 00:16.4 PCI: 00:17.0 PCI: 00:19.0 PCI: 00:19.0 resource base fe034000 size 1000 align 12 gran 12 limit ffffffffffffffff flags c0000200 index 10 PCI: 00:19.0 resource base d1135000 size 1000 align 12 gran 12 limit d1135fff flags 60000201 index 18 PCI: 00:19.1 child on link 0 I2C: 03:39 PCI: 00:19.1 resource base d1136000 size 1000 align 12 gran 12 limit d1136fff flags 60000201 index 10 I2C: 03:39 I2C: 03:3a I2C: 03:1a PCI: 00:19.2 PCI: 00:1c.0 child on link 0 PCI: 01:00.0 PCI: 00:1c.0 resource base ef9f size 0 align 12 gran 12 limit ef9f flags 60080102 index 1c PCI: 00:1c.0 resource base dfffffff size 0 align 20 gran 20 limit dfffffff flags 60081202 index 24 PCI: 00:1c.0 resource base d1000000 size 100000 align 20 gran 20 limit d10fffff flags 60080202 index 20 PCI: 01:00.0 PCI: 01:00.0 resource base d1000000 size 2000 align 13 gran 13 limit d1001fff flags 60000201 index 10 PCI: 00:1c.1 PCI: 00:1c.2 PCI: 00:1c.3 PCI: 00:1c.4 PCI: 00:1c.5 PCI: 00:1c.6 PCI: 00:1c.7 PCI: 00:1d.0 PCI: 00:1d.1 PCI: 00:1d.2 PCI: 00:1d.3 PCI: 00:1e.0 PCI: 00:1e.0 resource base d1137000 size 1000 align 12 gran 12 limit d1137fff flags 60000201 index 10 PCI: 00:1e.1 PCI: 00:1e.2 child on link 0 SPI: 00 PCI: 00:1e.2 resource base d1138000 size 1000 align 12 gran 12 limit d1138fff flags 60000201 index 10 SPI: 00 PCI: 00:1e.3 PCI: 00:1e.4 PCI: 00:1e.4 resource base d1139000 size 1000 align 12 gran 12 limit d1139fff flags 60000201 index 10 PCI: 00:1e.5 PCI: 00:1e.6 PCI: 00:1e.6 resource base d113a000 size 1000 align 12 gran 12 limit d113afff flags 60000201 index 10 PCI: 00:1f.0 child on link 0 PNP: 0c09.0 PCI: 00:1f.0 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0000100 index 0 PNP: 0c09.0 PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0 PCI: 00:1f.1 PCI: 00:1f.2 PCI: 00:1f.2 resource base d1128000 size 4000 align 14 gran 14 limit d112bfff flags 60000200 index 10 PCI: 00:1f.2 resource base fe000000 size 10000 align 0 gran 0 limit 0 flags d0000200 index 48 PCI: 00:1f.2 resource base 1800 size 100 align 0 gran 0 limit 0 flags c0000100 index 40 PCI: 00:1f.3 PCI: 00:1f.3 resource base d112c000 size 4000 align 14 gran 14 limit d112ffff flags 60000201 index 10 PCI: 00:1f.3 resource base d1110000 size 10000 align 16 gran 16 limit d111ffff flags 60000201 index 20 PCI: 00:1f.4 PCI: 00:1f.4 resource base efa0 size 20 align 0 gran 0 limit efbf flags f0000100 index 20 PCI: 00:1f.4 resource base d113c000 size 100 align 12 gran 8 limit d113c0ff flags 60000201 index 10 PCI: 00:1f.5 PCI: 00:1f.5 resource base d113b000 size 1000 align 12 gran 12 limit d113bfff flags 60000200 index 10 PCI: 00:1f.6 Done allocating resources. BS: BS_DEV_RESOURCES times (us): entry 0 run 2114409 exit 30 Enabling resources... PCI: 00:00.0 subsystem <- 8086/590c PCI: 00:00.0 cmd <- 06 PCI: 00:02.0 subsystem <- 8086/591c PCI: 00:02.0 cmd <- 03 PCI: 00:04.0 cmd <- 02 PCI: 00:08.0 cmd <- 06 PCI: 00:14.0 subsystem <- 8086/9d2f PCI: 00:14.0 cmd <- 02 PCI: 00:14.2 subsystem <- 8086/9d31 PCI: 00:14.2 cmd <- 02 PCI: 00:15.0 subsystem <- 8086/9d60 PCI: 00:15.0 cmd <- 06 PCI: 00:15.1 subsystem <- 8086/9d61 PCI: 00:15.1 cmd <- 06 PCI: 00:16.0 subsystem <- 8086/9d3a PCI: 00:16.0 cmd <- 02 PCI: 00:19.0 subsystem <- 8086/9d66 PCI: 00:19.0 cmd <- 06 PCI: 00:19.1 subsystem <- 8086/9d65 PCI: 00:19.1 cmd <- 06 PCI: 00:1c.0 bridge ctrl <- 0003 PCI: 00:1c.0 subsystem <- 8086/9d10 PCI: 00:1c.0 cmd <- 06 PCI: 00:1e.0 subsystem <- 8086/9d27 PCI: 00:1e.0 cmd <- 06 PCI: 00:1e.2 subsystem <- 8086/9d29 PCI: 00:1e.2 cmd <- 06 PCI: 00:1e.4 subsystem <- 8086/9d2b PCI: 00:1e.4 cmd <- 06 PCI: 00:1e.6 subsystem <- 8086/9d2d PCI: 00:1e.6 cmd <- 06 PCI: 00:1f.0 subsystem <- 8086/9d4b PCI: 00:1f.0 cmd <- 407 PCI: 00:1f.2 subsystem <- 8086/9d21 PCI: 00:1f.2 cmd <- 02 PCI: 00:1f.3 subsystem <- 8086/9d71 PCI: 00:1f.3 cmd <- 02 PCI: 00:1f.4 subsystem <- 8086/9d23 PCI: 00:1f.4 cmd <- 03 PCI: 00:1f.5 subsystem <- 8086/9d24 PCI: 00:1f.5 cmd <- 406 PCI: 01:00.0 subsystem <- 8086/095a PCI: 01:00.0 cmd <- 02 done. ME: Version : 11.8.50.3470 BS: BS_DEV_ENABLE times (us): entry 289 run 139372 exit 19356 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 30951 usecs CPU_CLUSTER: 0 init ... CPU_CLUSTER: 0 init finished in 2444 usecs PCI: 00:00.0 init ... CPU TDP: 5 Watts CPU PL2 = 18 Watts PCI: 00:00.0 init finished in 6985 usecs PCI: 00:02.0 init ... PCI: 00:02.0 init finished in 2250 usecs PCI: 00:04.0 init ... PCI: 00:04.0 init finished in 2250 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 2249 usecs PCI: 00:14.2 init ... PCI: 00:14.2 init finished in 2249 usecs PCI: 00:15.0 init ... DW I2C bus 0 at 0xd1132000 (400 KHz) PCI: 00:15.0 init finished in 5968 usecs PCI: 00:15.1 init ... DW I2C bus 1 at 0xd1133000 (400 KHz) PCI: 00:15.1 init finished in 5970 usecs PCI: 00:16.0 init ... PCI: 00:16.0 init finished in 2249 usecs PCI: 00:19.1 init ... DW I2C bus 5 at 0xd1136000 (400 KHz) PCI: 00:19.1 init finished in 5968 usecs PCI: 00:1c.0 init ... Initializing PCH PCIe bridge. PCI: 00:1c.0 init finished in 5287 usecs PCI: 00:1e.4 init ... PCI: 00:1e.4 init finished in 2250 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 23494 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 23975 usecs PCI: 00:1f.4 init ... PCI: 00:1f.4 init finished in 2260 usecs PCI: 01:00.0 init ... PCI: 01:00.0 init finished in 2395 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 24480 usecs Devices initialized Show all devs... After init. Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 DOMAIN: 0000: enabled 1 APIC: 00: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 PCI: 00:15.1: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PCI: 00:1f.1: enabled 0 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 USB0 port 0: enabled 1 I2C: 01:5c: enabled 1 I2C: 02:15: enabled 1 I2C: 03:39: enabled 1 I2C: 03:3a: enabled 1 I2C: 03:1a: enabled 1 PCI: 01:00.0: enabled 1 SPI: 00: enabled 1 PNP: 0c09.0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 APIC: 01: enabled 1 APIC: 02: enabled 1 APIC: 03: enabled 1 PCI: 00:04.0: enabled 1 PCI: 00:08.0: enabled 1 FMAP: area RW_ELOG found @ 9f0000 (16384 bytes) ELOG: NV offset 0x9f0000 size 0x4000 ELOG: area is 4096 bytes, full threshold 3842, shrink size 1024 ELOG: Event(17) added with size 13 at 2022-07-07 05:42:23 UTC POST: Unexpected post code in previous boot: 0x34 ELOG: Event(A3) added with size 11 at 2022-07-07 05:42:23 UTC ELOG: Event(92) added with size 9 at 2022-07-07 05:42:23 UTC ELOG: Event(9A) added with size 9 at 2022-07-07 05:42:23 UTC ELOG: Event(16) added with size 11 at 2022-07-07 05:42:23 UTC Erasing flash addr 9f0000 + 4 KiB ELOG: Event(AD) added with size 10 at 2022-07-07 05:42:23 UTC ELOG: Event(9F) added with size 14 at 2022-07-07 05:42:23 UTC BS: BS_DEV_INIT times (us): entry 0 run 417449 exit 124450 ELOG: Event(A1) added with size 10 at 2022-07-07 05:42:23 UTC elog_add_boot_reason: Logged recovery mode boot (Dev-switch on), reason: 0x1b ELOG: Event(A0) added with size 9 at 2022-07-07 05:42:23 UTC elog_add_boot_reason: Logged dev mode boot Finalize devices... Devices finalized FMAP: area RW_NVRAM found @ 9fa000 (24576 bytes) BS: BS_POST_DEVICE times (us): entry 25562 run 3970 exit 5204 BS: BS_OS_RESUME_CHECK times (us): entry 0 run 55 exit 0 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/dsdt.aml' CBFS: Found @ offset 19af40 size 4691 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/slic' CBFS: 'fallback/slic' not found. ACPI: Writing ACPI tables at 7aa9a000. ACPI: * FACS ACPI: * DSDT Ramoops buffer: 0x100000@0x7a999000. SGX: not enabled or not supported. skip gnvs fill ACPI: * FADT SCI is IRQ9 ACPI: added table 1/32, length now 40 ACPI: * SSDT Found 1 CPU(s) with 4 core(s) each. \_SB.PCI0.I2C0.H05C: SISC Touchscreen at I2C: 01:5c \_SB.PCI0.I2C1.D015: ELAN Touchpad at I2C: 02:15 \_SB.PCI0.I2C5.MAXR: Maxim MAX98927 Codec address 039h \_SB.PCI0.I2C5.MAXL: Maxim MAX98927 Codec address 03ah \_SB.PCI0.I2C5.DLG7: Dialog Semiconductor DA7219 Audio Codec address 01ah irq 105 Error: Could not locate 'wifi_sar' in VPD. Error: failed from getting SAR limits! \_SB.PCI0.RP01.WIFI: Intel WiFi PCI: 01:00.0 \_SB.PCI0.SPI0.S001: SPI Device at SPI: 00 \_SB.PCI0.XHCI.RHUB.HS01: USB Type C Port 1 at USB2 port 0 \_SB.PCI0.XHCI.RHUB.HS02: USB Type A Port 1 at USB2 port 1 \_SB.PCI0.XHCI.RHUB.HS03: Bluetooth at USB2 port 2 \_SB.PCI0.XHCI.RHUB.HS05: USB Type C Port 2 at USB2 port 4 \_SB.PCI0.XHCI.RHUB.HS09: Camera at USB2 port 8 ACPI: added table 2/32, length now 44 ACPI: * MCFG ACPI: added table 3/32, length now 48 ACPI: * TPM2 ACPI: added table 4/32, length now 52 ACPI: * MADT SCI is IRQ9 ACPI: added table 5/32, length now 56 current = 7aa9fa60 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dmic-4ch-48khz-16b.bin' CBFS: Found @ offset 167000 size ba8 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dmic-4ch-48khz-32b.bin' CBFS: Found @ offset 19f640 size ba8 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dialog-2ch-48khz-24b.bin' CBFS: Found @ offset 167cc0 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dialog-2ch-48khz-24b.bin' CBFS: Found @ offset 167cc0 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'max98927-render-2ch-48khz-24b.bin' CBFS: Found @ offset 167c00 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'max98927-render-2ch-48khz-16b.bin' CBFS: Found @ offset 103f00 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'max98927-render-2ch-48khz-16b.bin' CBFS: Found @ offset 103f00 size 64 ACPI: * NHLT ACPI: added table 6/32, length now 60 ACPI: * DMAR ACPI: added table 7/32, length now 64 ACPI: * IGD OpRegion GMA: Found VBT in CBFS GMA: Found valid VBT in CBFS current = 7aaa3610 ACPI: added table 8/32, length now 68 ACPI: * HPET ACPI: added table 9/32, length now 72 ACPI: done. ACPI tables: 38592 bytes. smbios_write_tables: 7a998000 Create SMBIOS type 17 PCI: 01:00.0 (Intel WiFi) SMBIOS tables: 662 bytes. Writing table forward entry at 0x00000500 Wrote coreboot table at: 00000500, 0x10 bytes, checksum a532 Writing coreboot table at 0x7aabe000 0. 0000000000000000-0000000000000fff: CONFIGURATION TABLES 1. 0000000000001000-000000000009ffff: RAM 2. 00000000000a0000-00000000000fffff: RESERVED 3. 0000000000100000-000000007a997fff: RAM 4. 000000007a998000-000000007ab05fff: CONFIGURATION TABLES 5. 000000007ab06000-000000007abcffff: RAMSTAGE 6. 000000007abd0000-000000007affffff: CONFIGURATION TABLES 7. 000000007b000000-000000007fffffff: RESERVED 8. 00000000e0000000-00000000e3ffffff: RESERVED 9. 00000000fe000000-00000000fe00ffff: RESERVED 10. 00000000fed10000-00000000fed19fff: RESERVED 11. 00000000fed80000-00000000fed84fff: RESERVED 12. 00000000fed90000-00000000fed91fff: RESERVED 13. 0000000100000000-000000017effffff: RAM Graphics framebuffer located at 0xc0000000 Passing 6 GPIOs to payload: NAME | PORT | POLARITY | VALUE write protect | undefined | high | low recovery | undefined | high | low lid | undefined | high | high power | undefined | high | low oprom | undefined | high | low EC in RW | 0x00000036 | high | low Board ID: 6 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) Wrote coreboot table at: 7aabe000, 0x57c bytes, checksum 1b58 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 534015 exit 146873 call enable_fixed_mtrr() CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CPU physical address size: 39 bits CBFS: Locating 'fallback/payload' MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 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: Found @ offset 223040 size 360b4 CPU physical address size: 39 bits Checking segment from ROM address 0xfff23078 Checking segment from ROM address 0xfff23094 Loading segment from ROM address 0xfff23078 code (compression=0) New segment dstaddr 0x30104020 memsize 0x64d8b0 srcaddr 0xfff230b0 filesize 0x3607c Loading Segment: addr: 0x30104020 memsz: 0x000000000064d8b0 filesz: 0x000000000003607c it's not compressed! [ 0x30104020, 3013a09c, 0x307518d0) <- fff230b0 Clearing Segment: addr: 0x000000003013a09c memsz: 0x0000000000617834 Loading segment from ROM address 0xfff23094 Entry Point 0x30104020 Loaded segments Finalizing chipset. ME: Host Firmware Status Register 1 : 0x90000245 ME: Host Firmware Status Register 2 : 0x6B000306 ME: Host Firmware Status Register 3 : 0x00000020 ME: Host Firmware Status Register 4 : 0x00084000 ME: Host Firmware Status Register 5 : 0x00000000 ME: Host Firmware Status Register 6 : 0x40000002 ME: FW Partition Table : OK ME: Bringup Loader Failure : NO ME: Firmware Init Complete : YES ME: Manufacturing Mode : NO ME: Boot Options Present : NO ME: Update In Progress : NO ME: D3 Support : NO ME: D0i3 Support : YES ME: Low Power State Enabled : YES ME: CPU Replaced : NO ME: CPU Replacement Valid : YES ME: Current Working State : Normal ME: Current Operation State : M0 with UMA ME: Current Operation Mode : Normal ME: Error Code : No Error ME: Progress Phase : Host Communication ME: Power Management Event : Power cycle reset through Moff ME: Progress Phase State : Host communication established ME: Power Down Mitigation : NO ME: FPF status : fused Clearing MCA. Finalizing SMM. BS: BS_PAYLOAD_LOAD times (us): entry 608 run 261923 exit 135671 mp_park_aps done after 0 msecs. Jumping to boot code at 30104020(7aabe000) CPU0: stack: 7ab46000 - 7ab47000, lowest used address 7ab46abc, stack used: 1348 bytes Starting depthcharge on rammus... WARNING: can't convert coreboot GPIOs, 'lid' won't be resampled at runtime! WARNING: can't convert coreboot GPIOs, 'power' won't be resampled at runtime! The GBB signature is at 0x30004020 and is: 24 47 42 42 [firmware-rammus-11275.B-collabora] Dec 11 2020 10:26:21 rammus: tftpboot 192.168.201.1 6771449/tftp-deploy-q7eow5gw/kernel/bzImage 6771449/tftp-deploy-q7eow5gw/kernel/cmdline 6771449/tftp-deploy-q7eow5gw/ramdisk/ramdisk.cpio.gz tftpboot 192.168.201.1 6771449/tftp-deploy-q7eow5gw/kernel/bzImy-q7eow5gw/kernel/cmdline 6771449/tftp-deploy-q7eow5gw/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:68:01:e7 Sending DHCP discover... done. Waiting for reply... done. Sending DHCP request... done. Waiting for reply... done. My ip is 192.168.201.11 The DHCP server ip is 192.168.201.1 TFTP server IP predefined by user: 192.168.201.1 Bootfile predefined by user: 6771449/tftp-deploy-q7eow5gw/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 13094944 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: 6771449/tftp-deploy-q7eow5gw/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/6771449/extract-nfsrootfs-_23fr1ij,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: 21213963 Starting kernel ... [ 0.000000] Linux version 5.10.128-cip11 (KernelCI@build-j325125-x86-64-gcc-10-x86-64-defconfig-x86-chromebool6cmd) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Thu Jul 7 05:34:40 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/6771449/extract-nfsrootfs-_23fr1ij,tcp,hard ip=dhcp tftpserverip=192.168.201.1 [ 0.000000] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x008: 'MPX bounds registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x010: 'MPX CSR' [ 0.000000] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 [ 0.000000] x86/fpu: xstate_offset[3]: 832, xstate_sizes[3]: 64 [ 0.000000] x86/fpu: xstate_offset[4]: 896, xstate_sizes[4]: 64 [ 0.000000] x86/fpu: Enabled xstate features 0x1f, context size is 960 bytes, using 'compacted' format. [ 0.000000] BIOS-provided physical RAM map: [ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x0000000000000fff] type 16 [ 0.000000] BIOS-e820: [mem 0x0000000000001000-0x000000000009ffff] usable [ 0.000000] BIOS-e820: [mem 0x00000000000a0000-0x00000000000fffff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000000100000-0x000000007a997fff] usable [ 0.000000] BIOS-e820: [mem 0x000000007a998000-0x000000007affffff] type 16 [ 0.000000] BIOS-e820: [mem 0x000000007b000000-0x000000007fffffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000e0000000-0x00000000e3ffffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fe000000-0x00000000fe00ffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fed10000-0x00000000fed19fff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fed80000-0x00000000fed84fff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fed90000-0x00000000fed91fff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000100000000-0x000000017effffff] usable [ 0.000000] NX (Execute Disable) protection: active [ 0.000000] SMBIOS 2.7 present. [ 0.000000] DMI: Google Rammus/Rammus, BIOS 09/04/2020 [ 0.000000] tsc: Detected 1600.000 MHz processor [ 0.000000] tsc: Detected 1599.960 MHz TSC [ 0.000052] last_pfn = 0x17f000 max_arch_pfn = 0x400000000 [ 0.001355] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.007036] last_pfn = 0x7a998 max_arch_pfn = 0x400000000 [ 0.024715] check: Scanning 1 areas for low memory corruption [ 0.024729] Using GB pages for direct mapping [ 0.025516] RAMDISK: [mem 0x377e2000-0x37ffffff] [ 0.025524] ACPI: Early table checksum verification disabled [ 0.025533] ACPI: RSDP 0x00000000000F0000 000024 (v02 CORE ) [ 0.025547] ACPI: XSDT 0x000000007AA9A0E0 00006C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.025565] ACPI: FACP 0x000000007AA9E970 0000F4 (v04 CORE COREBOOT 00000000 CORE 00000000) [ 0.025582] ACPI: DSDT 0x000000007AA9A280 0046E3 (v05 COREv4 COREBOOT 20110725 INTL 20180531) [ 0.025596] ACPI: FACS 0x000000007AA9A240 000040 [ 0.025608] ACPI: FACS 0x000000007AA9A240 000040 [ 0.025620] ACPI: SSDT 0x000000007AA9EA70 000EFA (v02 CORE COREBOOT 0000002A CORE 0000002A) [ 0.025633] ACPI: MCFG 0x000000007AA9F970 00003C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.025646] ACPI: TPM2 0x000000007AA9F9B0 000040 (v04 CORE COREBOOT 00000000 CORE 00000000) [ 0.025658] ACPI: APIC 0x000000007AA9F9F0 00006C (v02 CORE COREBOOT 00000000 CORE 00000000) [ 0.025671] ACPI: NHLT 0x000000007AA9FA60 001B1C (v05 GOOGLE RAMMUS 00000000 CORE 00000000) [ 0.025684] ACPI: DMAR 0x000000007AAA1580 000088 (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.025697] ACPI: DBG2 0x000000007AAA3610 000061 (v00 CORE COREBOOT 00000000 CORE 00000000) [ 0.025709] ACPI: HPET 0x000000007AAA3680 000038 (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.025722] ACPI: Reserving FACP table memory at [mem 0x7aa9e970-0x7aa9ea63] [ 0.025728] ACPI: Reserving DSDT table memory at [mem 0x7aa9a280-0x7aa9e962] [ 0.025733] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] [ 0.025738] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] [ 0.025743] ACPI: Reserving SSDT table memory at [mem 0x7aa9ea70-0x7aa9f969] [ 0.025748] ACPI: Reserving MCFG table memory at [mem 0x7aa9f970-0x7aa9f9ab] [ 0.025753] ACPI: Reserving TPM2 table memory at [mem 0x7aa9f9b0-0x7aa9f9ef] [ 0.025758] ACPI: Reserving APIC table memory at [mem 0x7aa9f9f0-0x7aa9fa5b] [ 0.025763] ACPI: Reserving NHLT table memory at [mem 0x7aa9fa60-0x7aaa157b] [ 0.025768] ACPI: Reserving DMAR table memory at [mem 0x7aaa1580-0x7aaa1607] [ 0.025773] ACPI: Reserving DBG2 table memory at [mem 0x7aaa3610-0x7aaa3670] [ 0.025778] ACPI: Reserving HPET table memory at [mem 0x7aaa3680-0x7aaa36b7] [ 0.025922] No NUMA configuration found [ 0.025927] Faking a node at [mem 0x0000000000000000-0x000000017effffff] [ 0.025937] NODE_DATA(0) allocated [mem 0x17effa000-0x17effdfff] [ 0.025983] Zone ranges: [ 0.025988] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.025997] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.026005] Normal [mem 0x0000000100000000-0x000000017effffff] [ 0.026012] Movable zone start for each node [ 0.026017] Early memory node ranges [ 0.026023] node 0: [mem 0x0000000000001000-0x000000000009ffff] [ 0.026028] node 0: [mem 0x0000000000100000-0x000000007a997fff] [ 0.026033] node 0: [mem 0x0000000100000000-0x000000017effffff] [ 0.026040] Initmem setup node 0 [mem 0x0000000000001000-0x000000017effffff] [ 0.026078] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.026127] On node 0, zone DMA: 96 pages in unavailable ranges [ 0.038223] On node 0, zone Normal: 22120 pages in unavailable ranges [ 0.038297] On node 0, zone Normal: 4096 pages in unavailable ranges [ 0.038324] Reserving Intel graphics memory at [mem 0x7c000000-0x7fffffff] [ 0.038709] ACPI: PM-Timer IO Port: 0x1808 [ 0.038765] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-119 [ 0.038779] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 0.038786] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.038801] Using ACPI (MADT) for SMP configuration information [ 0.038808] ACPI: HPET id: 0x8086a701 base: 0xfed00000 [ 0.038826] TSC deadline timer available [ 0.038832] smpboot: Allowing 4 CPUs, 0 hotplug CPUs [ 0.038866] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.038872] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000fffff] [ 0.038879] PM: hibernation: Registered nosave memory: [mem 0x7a998000-0x7affffff] [ 0.038883] PM: hibernation: Registered nosave memory: [mem 0x7b000000-0x7fffffff] [ 0.038888] PM: hibernation: Registered nosave memory: [mem 0x80000000-0xdfffffff] [ 0.038893] PM: hibernation: Registered nosave memory: [mem 0xe0000000-0xe3ffffff] [ 0.038898] PM: hibernation: Registered nosave memory: [mem 0xe4000000-0xfdffffff] [ 0.038902] PM: hibernation: Registered nosave memory: [mem 0xfe000000-0xfe00ffff] [ 0.038907] PM: hibernation: Registered nosave memory: [mem 0xfe010000-0xfed0ffff] [ 0.038912] PM: hibernation: Registered nosave memory: [mem 0xfed10000-0xfed19fff] [ 0.038916] PM: hibernation: Registered nosave memory: [mem 0xfed1a000-0xfed7ffff] [ 0.038921] PM: hibernation: Registered nosave memory: [mem 0xfed80000-0xfed84fff] [ 0.038926] PM: hibernation: Registered nosave memory: [mem 0xfed85000-0xfed8ffff] [ 0.038930] PM: hibernation: Registered nosave memory: [mem 0xfed90000-0xfed91fff] [ 0.038935] PM: hibernation: Registered nosave memory: [mem 0xfed92000-0xffffffff] [ 0.038945] [mem 0x80000000-0xdfffffff] available for PCI devices [ 0.038953] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns [ 0.054428] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:4 nr_node_ids:1 [ 0.054723] percpu: Embedded 59 pages/cpu s200848 r8192 d32624 u524288 [ 0.054796] Built 1 zonelists, mobility grouping on. Total pages: 1006266 [ 0.054801] Policy zone: Normal [ 0.054815] 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/6771449/extract-nfsrootfs-_23fr1ij,tcp,hard ip=dhcp tftpserverip=192.168.201.1 [ 0.055370] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) [ 0.055628] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear) [ 0.055716] mem auto-init: stack:off, heap alloc:off, heap free:off [ 0.078002] Memory: 3892568K/4089052K available (18450K kernel code, 3458K rwdata, 5992K rodata, 1688K init, 11616K bss, 196224K reserved, 0K cma-reserved) [ 0.078173] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 [ 0.078230] Kernel/User page tables isolation: enabled [ 0.078308] ftrace: allocating 52723 entries in 206 pages [ 0.118807] ftrace: allocated 206 pages with 5 groups [ 0.119110] Running RCU self tests [ 0.119138] rcu: Hierarchical RCU implementation. [ 0.119143] rcu: RCU event tracing is enabled. [ 0.119147] rcu: RCU lockdep checking is enabled. [ 0.119152] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=4. [ 0.119158] Rude variant of Tasks RCU enabled. [ 0.119162] Tracing variant of Tasks RCU enabled. [ 0.119168] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies. [ 0.119173] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 [ 0.129549] NR_IRQS: 4352, nr_irqs: 1024, preallocated irqs: 16 [ 0.130063] random: crng init done [ 0.130178] Console: colour dummy device 80x25 [ 0.205401] printk: console [ttyS0] enabled [ 0.205769] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.206431] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.206792] ... MAX_LOCK_DEPTH: 48 [ 0.207159] ... MAX_LOCKDEP_KEYS: 8192 [ 0.207541] ... CLASSHASH_SIZE: 4096 [ 0.207923] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.208313] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.208702] ... CHAINHASH_SIZE: 32768 [ 0.209091] memory used by lock dependency info: 6365 kB [ 0.209559] memory used for stack traces: 4224 kB [ 0.209978] per task-struct memory footprint: 1920 bytes [ 0.210500] ACPI: Core revision 20200925 [ 0.211091] hpet: HPET dysfunctional in PC10. Force disabled. [ 0.211591] APIC: Switch to symmetric I/O mode setup [ 0.216002] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x170fff30cc4, max_idle_ns: 440795237869 ns [ 0.216922] Calibrating delay loop (skipped), value calculated using timer frequency.. 3199.92 BogoMIPS (lpj=1599960) [ 0.217828] pid_max: default: 32768 minimum: 301 [ 0.217905] LSM: Security Framework initializing [ 0.217905] SELinux: Initializing. [ 0.217905] LSM support for eBPF active [ 0.217905] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.217905] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.217905] mce: CPU0: Thermal monitoring enabled (TM1) [ 0.217905] process: using mwait in idle threads [ 0.217905] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8 [ 0.217905] Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4 [ 0.217905] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 0.217905] Spectre V2 : Mitigation: Retpolines [ 0.217905] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 0.217905] Spectre V2 : Enabling Restricted Speculation for firmware calls [ 0.217905] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier [ 0.217905] Spectre V2 : User space: Mitigation: STIBP via seccomp and prctl [ 0.217905] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl and seccomp [ 0.217905] MDS: Vulnerable: Clear CPU buffers attempted, no microcode [ 0.217905] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode [ 0.217905] SRBDS: Vulnerable: No microcode [ 0.217905] Freeing SMP alternatives memory: 44K [ 0.217905] smpboot: CPU0: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz (family: 0x6, model: 0x8e, stepping: 0x9) [ 0.218681] Performance Events: PEBS fmt3+, Skylake events, 32-deep LBR, full-width counters, Intel PMU driver. [ 0.218922] ... version: 4 [ 0.219280] ... bit width: 48 [ 0.219642] ... generic registers: 4 [ 0.219912] ... value mask: 0000ffffffffffff [ 0.220377] ... max period: 00007fffffffffff [ 0.220839] ... fixed-purpose events: 3 [ 0.220912] ... event mask: 000000070000000f [ 0.221957] rcu: Hierarchical SRCU implementation. [ 0.224631] smp: Bringing up secondary CPUs ... [ 0.225736] x86: Booting SMP configuration: [ 0.225937] .... node #0, CPUs: #1 [ 0.227355] 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. [ 0.227937] 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. [ 0.229654] #2 #3 [ 0.232415] smp: Brought up 1 node, 4 CPUs [ 0.232930] smpboot: Max logical packages: 1 [ 0.233311] smpboot: Total of 4 processors activated (12799.68 BogoMIPS) [ 0.236302] devtmpfs: initialized [ 0.237305] x86/mm: Memory block size: 128MB [ 0.242097] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns [ 0.242927] futex hash table entries: 1024 (order: 5, 131072 bytes, linear) [ 0.244029] pinctrl core: initialized pinctrl subsystem [ 0.244897] PM: RTC time: 05:42:39, date: 2022-07-07 [ 0.245568] NET: Registered protocol family 16 [ 0.246796] audit: initializing netlink subsys (disabled) [ 0.246970] audit: type=2000 audit(1657172559.030:1): state=initialized audit_enabled=0 res=1 [ 0.247918] thermal_sys: Registered thermal governor 'step_wise' [ 0.247925] thermal_sys: Registered thermal governor 'user_space' [ 0.248542] cpuidle: using governor menu [ 0.249333] ACPI: bus type PCI registered [ 0.250346] PCI: MMCONFIG for domain 0000 [bus 00-3f] at [mem 0xe0000000-0xe3ffffff] (base 0xe0000000) [ 0.250918] PCI: MMCONFIG at [mem 0xe0000000-0xe3ffffff] reserved in E820 [ 0.251557] PCI: Using configuration type 1 for base access [ 0.280462] Kprobes globally optimized [ 0.281066] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 0.281521] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 0.282128] cryptomgr_test (38) used greatest stack depth: 14880 bytes left [ 0.286027] ACPI: Added _OSI(Module Device) [ 0.286403] ACPI: Added _OSI(Processor Device) [ 0.286796] ACPI: Added _OSI(3.0 _SCP Extensions) [ 0.286917] ACPI: Added _OSI(Processor Aggregator Device) [ 0.287393] ACPI: Added _OSI(Linux-Dell-Video) [ 0.287790] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 0.287925] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 0.303426] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 0.312936] ACPI: EC: EC started [ 0.313250] ACPI: EC: interrupt blocked [ 0.314459] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.314905] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC used to handle transactions [ 0.315546] ACPI: Interpreter enabled [ 0.315944] ACPI: (supports S0 S3 S4 S5) [ 0.316296] ACPI: Using IOAPIC for interrupt routing [ 0.316821] PCI: Using host bridge windows from ACPI; if necessary, use \"pci=nocrs\" and report a bug [ 0.336180] ACPI: Power Resource [PRIC] (on) [ 0.467283] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 0.467836] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] [ 0.468246] acpi PNP0A08:00: _OSC: OS now controls [PME PCIeCapability LTR] [ 0.468919] acpi PNP0A08:00: [Firmware Info]: MMCONFIG for domain 0000 [bus 00-3f] only partially covers this bridge [ 0.470548] PCI host bridge to bus 0000:00 [ 0.470917] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 0.471506] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 0.471914] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 0.472560] pci_bus 0000:00: root bus resource [mem 0x000c0000-0x000c3fff window] [ 0.472912] pci_bus 0000:00: root bus resource [mem 0x000c4000-0x000c7fff window] [ 0.473558] pci_bus 0000:00: root bus resource [mem 0x000c8000-0x000cbfff window] [ 0.473913] pci_bus 0000:00: root bus resource [mem 0x000cc000-0x000cffff window] [ 0.474559] pci_bus 0000:00: root bus resource [mem 0x000d0000-0x000d3fff window] [ 0.474912] pci_bus 0000:00: root bus resource [mem 0x000d4000-0x000d7fff window] [ 0.475558] pci_bus 0000:00: root bus resource [mem 0x000d8000-0x000dbfff window] [ 0.475913] pci_bus 0000:00: root bus resource [mem 0x000dc000-0x000dffff window] [ 0.476559] pci_bus 0000:00: root bus resource [mem 0x000e0000-0x000e3fff window] [ 0.476912] pci_bus 0000:00: root bus resource [mem 0x000e4000-0x000e7fff window] [ 0.477558] pci_bus 0000:00: root bus resource [mem 0x000e8000-0x000ebfff window] [ 0.477912] pci_bus 0000:00: root bus resource [mem 0x000ec000-0x000effff window] [ 0.478558] pci_bus 0000:00: root bus resource [mem 0x000f0000-0x000fffff window] [ 0.478913] pci_bus 0000:00: root bus resource [mem 0x80000001-0xdfffffff window] [ 0.479559] pci_bus 0000:00: root bus resource [mem 0x800000000-0xbffffffff window] [ 0.479912] pci_bus 0000:00: root bus resource [mem 0xfd000000-0xfe7fffff window] [ 0.480558] pci_bus 0000:00: root bus resource [mem 0xfed40000-0xfed44fff window] [ 0.480914] pci_bus 0000:00: root bus resource [bus 00-ff] [ 0.481487] pci 0000:00:00.0: [8086:590c] type 00 class 0x060000 [ 0.483061] pci 0000:00:02.0: [8086:591c] type 00 class 0x030000 [ 0.483610] pci 0000:00:02.0: reg 0x10: [mem 0xd0000000-0xd0ffffff 64bit] [ 0.483930] pci 0000:00:02.0: reg 0x18: [mem 0xc0000000-0xcfffffff 64bit pref] [ 0.484563] pci 0000:00:02.0: reg 0x20: [io 0x1c00-0x1c3f] [ 0.485659] pci 0000:00:04.0: [8086:1903] type 00 class 0x118000 [ 0.485941] pci 0000:00:04.0: reg 0x10: [mem 0xd1120000-0xd1127fff 64bit] [ 0.487413] pci 0000:00:08.0: [8086:1911] type 00 class 0x088000 [ 0.487941] pci 0000:00:08.0: reg 0x10: [mem 0xd1130000-0xd1130fff 64bit] [ 0.489295] pci 0000:00:14.0: [8086:9d2f] type 00 class 0x0c0330 [ 0.489851] pci 0000:00:14.0: reg 0x10: [mem 0xd1100000-0xd110ffff 64bit] [ 0.490073] pci 0000:00:14.0: PME# supported from D3hot D3cold [ 0.491461] pci 0000:00:14.2: [8086:9d31] type 00 class 0x118000 [ 0.491954] pci 0000:00:14.2: reg 0x10: [mem 0xd1131000-0xd1131fff 64bit] [ 0.493331] pci 0000:00:15.0: [8086:9d60] type 00 class 0x118000 [ 0.493893] pci 0000:00:15.0: reg 0x10: [mem 0xd1132000-0xd1132fff 64bit] [ 0.494862] pci 0000:00:15.1: [8086:9d61] type 00 class 0x118000 [ 0.494962] pci 0000:00:15.1: reg 0x10: [mem 0xd1133000-0xd1133fff 64bit] [ 0.496511] pci 0000:00:19.0: [8086:9d66] type 00 class 0x118000 [ 0.496962] pci 0000:00:19.0: reg 0x10: [mem 0xfe034000-0xfe034fff 64bit] [ 0.497574] pci 0000:00:19.0: reg 0x18: [mem 0xd1135000-0xd1135fff 64bit] [ 0.498827] pci 0000:00:19.1: [8086:9d65] type 00 class 0x118000 [ 0.498962] pci 0000:00:19.1: reg 0x10: [mem 0xd1136000-0xd1136fff 64bit] [ 0.500519] pci 0000:00:1c.0: [8086:9d10] type 01 class 0x060400 [ 0.501129] pci 0000:00:1c.0: PME# supported from D0 D3hot D3cold [ 0.502544] pci 0000:00:1e.0: [8086:9d27] type 00 class 0x118000 [ 0.502961] pci 0000:00:1e.0: reg 0x10: [mem 0xd1137000-0xd1137fff 64bit] [ 0.504496] pci 0000:00:1e.2: [8086:9d29] type 00 class 0x118000 [ 0.504962] pci 0000:00:1e.2: reg 0x10: [mem 0xd1138000-0xd1138fff 64bit] [ 0.506485] pci 0000:00:1e.4: [8086:9d2b] type 00 class 0x080501 [ 0.506955] pci 0000:00:1e.4: reg 0x10: [mem 0xd1139000-0xd1139fff 64bit] [ 0.508600] pci 0000:00:1e.6: [8086:9d2d] type 00 class 0x080501 [ 0.508962] pci 0000:00:1e.6: reg 0x10: [mem 0xd113a000-0xd113afff 64bit] [ 0.510456] pci 0000:00:1f.0: [8086:9d4b] type 00 class 0x060100 [ 0.511816] pci 0000:00:1f.2: [8086:9d21] type 00 class 0x058000 [ 0.511947] pci 0000:00:1f.2: reg 0x10: [mem 0xd1128000-0xd112bfff] [ 0.513365] pci 0000:00:1f.3: [8086:9d71] type 00 class 0x040100 [ 0.513939] pci 0000:00:1f.3: reg 0x10: [mem 0xd112c000-0xd112ffff 64bit] [ 0.514581] pci 0000:00:1f.3: reg 0x20: [mem 0xd1110000-0xd111ffff 64bit] [ 0.515031] pci 0000:00:1f.3: PME# supported from D3hot D3cold [ 0.516414] pci 0000:00:1f.4: [8086:9d23] type 00 class 0x0c0500 [ 0.516980] pci 0000:00:1f.4: reg 0x10: [mem 0xd113c000-0xd113c0ff 64bit] [ 0.517637] pci 0000:00:1f.4: reg 0x20: [io 0xefa0-0xefbf] [ 0.518764] pci 0000:00:1f.5: [8086:9d24] type 00 class 0x000000 [ 0.518948] pci 0000:00:1f.5: reg 0x10: [mem 0xfe010000-0xfe010fff] [ 0.520649] pci 0000:01:00.0: [8086:095a] type 00 class 0x028000 [ 0.521347] pci 0000:01:00.0: reg 0x10: [mem 0xd1000000-0xd1001fff 64bit] [ 0.523756] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold [ 0.526199] pci 0000:00:1c.0: PCI bridge to [bus 01] [ 0.526653] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] [ 0.528403] ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.529229] ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 *10 12 14 15) [ 0.530146] ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.531090] ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.532026] ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.532965] ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.533905] ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.534837] ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.541365] ACPI: EC: interrupt unblocked [ 0.541736] ACPI: EC: event unblocked [ 0.541911] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.542362] ACPI: EC: GPE=0x6e [ 0.542645] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC initialization complete [ 0.542916] ACPI: \_SB_.PCI0.LPCB.EC0_: EC: Used to handle transactions and events [ 0.544060] iommu: Default domain type: Translated [ 0.544987] pci 0000:00:02.0: vgaarb: setting as boot VGA device [ 0.545530] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 0.545947] pci 0000:00:02.0: vgaarb: bridge control possible [ 0.546449] vgaarb: loaded [ 0.547335] SCSI subsystem initialized [ 0.548039] ACPI: bus type USB registered [ 0.548535] usbcore: registered new interface driver usbfs [ 0.548986] usbcore: registered new interface driver hub [ 0.549494] usbcore: registered new device driver usb [ 0.550056] pps_core: LinuxPPS API ver. 1 registered [ 0.550493] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 0.550925] PTP clock support registered [ 0.551345] Advanced Linux Sound Architecture Driver Initialized. [ 0.552984] NetLabel: Initializing [ 0.553294] NetLabel: domain hash size = 128 [ 0.553678] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 0.553991] NetLabel: unlabeled traffic allowed by default [ 0.554574] PCI: Using ACPI for IRQ routing [ 0.562747] clocksource: Switched to clocksource tsc-early [ 1.001002] VFS: Disk quotas dquot_6.6.0 [ 1.001411] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 1.002474] pnp: PnP ACPI init [ 1.003700] system 00:00: [mem 0xfed10000-0xfed17fff] has been reserved [ 1.004307] system 00:00: [mem 0xfed18000-0xfed18fff] has been reserved [ 1.004887] system 00:00: [mem 0xfed19000-0xfed19fff] has been reserved [ 1.005484] system 00:00: [mem 0xe0000000-0xe3ffffff] has been reserved [ 1.006082] system 00:00: [mem 0xfed20000-0xfed3ffff] has been reserved [ 1.006661] system 00:00: [mem 0xfed90000-0xfed93fff] could not be reserved [ 1.007287] system 00:00: [mem 0xfed45000-0xfed8ffff] could not be reserved [ 1.007892] system 00:00: [mem 0xff000000-0xffffffff] has been reserved [ 1.008487] system 00:00: [mem 0xfee00000-0xfeefffff] has been reserved [ 1.009084] system 00:00: [mem 0xfed00000-0xfed003ff] has been reserved [ 1.010720] system 00:01: [io 0x1800-0x18fe] has been reserved [ 1.011717] system 00:03: [io 0x0900-0x09fe] has been reserved [ 1.012553] system 00:04: [io 0x0200] has been reserved [ 1.013046] system 00:04: [io 0x0204] has been reserved [ 1.013517] system 00:04: [io 0x0800-0x087f] has been reserved [ 1.014054] system 00:04: [io 0x0880-0x08ff] has been reserved [ 1.017372] pnp: PnP ACPI: found 6 devices [ 1.034496] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 1.035410] NET: Registered protocol family 2 [ 1.036003] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear) [ 1.038515] tcp_listen_portaddr_hash hash table entries: 2048 (order: 5, 163840 bytes, linear) [ 1.039510] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear) [ 1.040455] TCP bind hash table entries: 32768 (order: 9, 2359296 bytes, linear) [ 1.043317] TCP: Hash tables configured (established 32768 bind 32768) [ 1.044248] MPTCP token hash table entries: 4096 (order: 6, 360448 bytes, linear) [ 1.045244] UDP hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 1.046166] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 1.047250] NET: Registered protocol family 1 [ 1.048447] RPC: Registered named UNIX socket transport module. [ 1.049018] RPC: Registered udp transport module. [ 1.049435] RPC: Registered tcp transport module. [ 1.049848] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 1.051064] NET: Registered protocol family 44 [ 1.051479] pci 0000:00:1c.0: PCI bridge to [bus 01] [ 1.051961] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] [ 1.052563] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 1.053114] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 1.053651] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 1.054324] pci_bus 0000:00: resource 7 [mem 0x000c0000-0x000c3fff window] [ 1.054938] pci_bus 0000:00: resource 8 [mem 0x000c4000-0x000c7fff window] [ 1.055536] pci_bus 0000:00: resource 9 [mem 0x000c8000-0x000cbfff window] [ 1.056145] pci_bus 0000:00: resource 10 [mem 0x000cc000-0x000cffff window] [ 1.056750] pci_bus 0000:00: resource 11 [mem 0x000d0000-0x000d3fff window] [ 1.057366] pci_bus 0000:00: resource 12 [mem 0x000d4000-0x000d7fff window] [ 1.057986] pci_bus 0000:00: resource 13 [mem 0x000d8000-0x000dbfff window] [ 1.058591] pci_bus 0000:00: resource 14 [mem 0x000dc000-0x000dffff window] [ 1.059205] pci_bus 0000:00: resource 15 [mem 0x000e0000-0x000e3fff window] [ 1.059811] pci_bus 0000:00: resource 16 [mem 0x000e4000-0x000e7fff window] [ 1.060429] pci_bus 0000:00: resource 17 [mem 0x000e8000-0x000ebfff window] [ 1.061050] pci_bus 0000:00: resource 18 [mem 0x000ec000-0x000effff window] [ 1.061655] pci_bus 0000:00: resource 19 [mem 0x000f0000-0x000fffff window] [ 1.062271] pci_bus 0000:00: resource 20 [mem 0x80000001-0xdfffffff window] [ 1.062876] pci_bus 0000:00: resource 21 [mem 0x800000000-0xbffffffff window] [ 1.063507] pci_bus 0000:00: resource 22 [mem 0xfd000000-0xfe7fffff window] [ 1.064128] pci_bus 0000:00: resource 23 [mem 0xfed40000-0xfed44fff window] [ 1.064734] pci_bus 0000:01: resource 1 [mem 0xd1000000-0xd10fffff] [ 1.065788] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 1.068825] PCI: CLS 64 bytes, default 64 [ 1.069636] Unpacking initramfs... [ 1.424678] Freeing initrd memory: 8312K [ 1.425184] DMAR: Host address width 39 [ 1.425560] DMAR: DRHD base: 0x000000fed90000 flags: 0x0 [ 1.426110] DMAR: dmar0: reg_base_addr fed90000 ver 1:0 cap 1c0000c40660462 ecap 19e2ff0505e [ 1.426837] DMAR: RMRR base: 0x0000007b800000 end: 0x0000007fffffff [ 1.427396] DMAR: DRHD base: 0x000000fed91000 flags: 0x1 [ 1.427882] DMAR: dmar1: reg_base_addr fed91000 ver 1:0 cap d2008c40660462 ecap f050da [ 1.428704] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 1.429296] software IO TLB: mapped [mem 0x0000000076998000-0x000000007a998000] (64MB) [ 1.430253] RAPL PMU: API unit is 2^-32 Joules, 5 fixed counters, 655360 ms ovfl timer [ 1.430959] RAPL PMU: hw unit of domain pp0-core 2^-14 Joules [ 1.431461] RAPL PMU: hw unit of domain package 2^-14 Joules [ 1.431966] RAPL PMU: hw unit of domain dram 2^-14 Joules [ 1.432437] RAPL PMU: hw unit of domain pp1-gpu 2^-14 Joules [ 1.432948] RAPL PMU: hw unit of domain psys 2^-14 Joules [ 1.435506] kvm: already loaded the other module [ 1.440232] check: Scanning for low memory corruption every 60 seconds [ 1.444447] Initialise system trusted keyrings [ 1.445137] workingset: timestamp_bits=56 max_order=20 bucket_order=0 [ 1.468276] NFS: Registering the id_resolver key type [ 1.468761] Key type id_resolver registered [ 1.469181] Key type id_legacy registered [ 1.491993] Key type asymmetric registered [ 1.492388] Asymmetric key parser 'x509' registered [ 1.492877] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249) [ 1.493557] io scheduler mq-deadline registered [ 1.493973] io scheduler kyber registered [ 1.494582] test_firmware: interface ready [ 1.496711] pcieport 0000:00:1c.0: PME: Signaling with IRQ 120 [ 1.498697] ACPI: AC Adapter [AC] (on-line) [ 1.499524] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/PNP0C0D:00/input/input0 [ 1.501274] ACPI: Lid Switch [LID0] [ 1.501891] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input1 [ 1.502817] ACPI: Power Button [PWRF] [ 1.503557] ACPI: \_PR_.CP00: Found 3 idle states [ 1.504868] ACPI: \_PR_.CP01: Found 3 idle states [ 1.506002] ACPI: \_PR_.CP02: Found 3 idle states [ 1.507230] ACPI: \_PR_.CP03: Found 3 idle states [ 1.508878] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 1.513523] hpet_acpi_add: no address or irqs in _CRS [ 1.514147] battery: ACPI: Battery Slot [BAT0] (battery present) [ 1.514376] Non-volatile memory driver v1.3 [ 1.515416] Linux agpgart interface v0.103 [ 1.518854] i915 0000:00:02.0: vgaarb: deactivate vga console [ 1.571405] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem [ 1.572689] i915 0000:00:02.0: Direct firmware load for i915/kbl_dmc_ver1_04.bin failed with error -2 [ 1.573615] i915 0000:00:02.0: [drm] Failed to load DMC firmware i915/kbl_dmc_ver1_04.bin. Disabling runtime power management. [ 1.574834] i915 0000:00:02.0: [drm] DMC firmware homepage: https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/tree/i915 [ 1.610630] [drm] Initialized i915 1.6.0 20200917 for 0000:00:02.0 on minor 0 [ 1.614727] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 1 [ 1.634577] loop: module loaded [ 1.635730] lkdtm: No crash points registered, enable through debugfs [ 1.661264] printk: console [ttyS0] disabled [ 1.661998] dw-apb-uart.2: ttyS0 at MMIO 0xfe034000 (irq = 32, base_baud = 115200) is a 16550A [ 2.488062] tsc: Refined TSC clocksource calibration: 1607.999 MHz [ 2.490412] printk: console [ttyS0] enabled [ 2.498112] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x172da94f0e2, max_idle_ns: 440795278248 ns [ 2.515754] dw-apb-uart.4: ttyS1 at MMIO 0xd1137000 (irq = 20, base_baud = 115200) is a 16550A [ 4.893234] clocksource: Switched to clocksource tsc [ 4.893396] fbcon: i915drmfb (fb0) is primary device [ 4.895885] pxa2xx-spi pxa2xx-spi.5: no DMA channels available, using PIO [ 4.905538] e100: Intel(R) PRO/100 Network Driver [ 4.905542] e100: Copyright(c) 1999-2006 Intel Corporation [ 4.905611] e1000: Intel(R) PRO/1000 Network Driver [ 4.905614] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 4.905700] e1000e: Intel(R) PRO/1000 Network Driver [ 4.905702] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 4.905792] sky2: driver version 1.30 [ 4.906454] usbcore: registered new interface driver r8152 [ 4.906845] tpm_tis_spi spi-PRP0001:00: TPM ready IRQ confirmed on attempt 2 [ 4.907257] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 4.907284] ehci-pci: EHCI PCI platform driver [ 4.907365] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 4.907383] ohci-pci: OHCI PCI platform driver [ 4.907449] uhci_hcd: USB Universal Host Controller Interface driver [ 4.908616] xhci_hcd 0000:00:14.0: xHCI Host Controller [ 4.909444] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 1 [ 4.910757] xhci_hcd 0000:00:14.0: hcc params 0x200077c1 hci version 0x100 quirks 0x0000000081109810 [ 4.910805] xhci_hcd 0000:00:14.0: cache line size of 64 is not supported [ 4.913298] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10 [ 4.913316] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 4.913320] usb usb1: Product: xHCI Host Controller [ 4.913325] usb usb1: Manufacturer: Linux 5.10.128-cip11 xhci-hcd [ 4.913331] usb usb1: SerialNumber: 0000:00:14.0 [ 4.915340] hub 1-0:1.0: USB hub found [ 4.915537] hub 1-0:1.0: 12 ports detected [ 4.920307] xhci_hcd 0000:00:14.0: xHCI Host Controller [ 4.920841] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 2 [ 4.920853] xhci_hcd 0000:00:14.0: Host supports USB 3.0 SuperSpeed [ 4.921249] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.10 [ 4.921261] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 4.921267] usb usb2: Product: xHCI Host Controller [ 4.921273] usb usb2: Manufacturer: Linux 5.10.128-cip11 xhci-hcd [ 4.921278] usb usb2: SerialNumber: 0000:00:14.0 [ 4.922729] hub 2-0:1.0: USB hub found [ 4.922844] hub 2-0:1.0: 6 ports detected [ 4.925274] usbcore: registered new interface driver usblp [ 4.925346] usbcore: registered new interface driver usb-storage [ 4.925867] udc-core: couldn't find an available UDC - added [g_ether] to list of pending drivers [ 4.926046] i8042: PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1 [ 4.926050] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp [ 4.926795] i8042: Warning: Keylock active [ 4.927065] serio: i8042 KBD port at 0x60,0x64 irq 1 [ 4.929531] rtc_cmos 00:02: RTC can wake from S4 [ 4.930687] tpm_tis_spi spi-PRP0001:00: 2.0 TPM (device-id 0x28, rev-id 0) [ 4.931826] rtc_cmos 00:02: registered as rtc0 [ 4.932052] rtc_cmos 00:02: alarms up to one month, 242 bytes nvram [ 4.932508] Console: switching to colour frame buffer device 240x67 [ 4.932627] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input2 [ 4.933617] i801_smbus 0000:00:1f.4: SPD Write Disable is set [ 4.933670] i801_smbus 0000:00:1f.4: SMBus using PCI interrupt [ 4.934896] i2c i2c-9: 2/2 memory slots populated (from DMI) [ 4.936622] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com [ 4.936674] intel_pstate: Intel P-state driver initializing [ 4.937603] intel_pstate: HWP enabled [ 4.937638] sdhci: Secure Digital Host Controller Interface driver [ 4.937639] sdhci: Copyright(c) Pierre Ossman [ 4.937669] sdhci-pci 0000:00:1e.4: SDHCI controller found [8086:9d2b] (rev 21) [ 4.938748] mmc0: SDHCI controller on PCI [0000:00:1e.4] using ADMA 64-bit [ 4.938799] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 4.940408] hid: raw HID events driver (C) Jiri Kosina [ 4.940881] usbcore: registered new interface driver usbhid [ 4.940882] usbhid: USB HID core driver [ 4.941438] input: Tablet Mode Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/GOOG0006:00/input/input3 [ 4.946173] cros_ec_lpcs GOOG0004:00: Chrome EC device registered [ 4.947673] i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device [ 4.953825] snd_hda_intel 0000:00:1f.3: DSP detected with PCI class/subclass/prog-if info 0x040100 [ 5.161964] usb 1-3: new full-speed USB device number 2 using xhci_hcd [ 5.167472] netem: version 1.3 [ 5.265257] mmc0: new HS400 MMC card at address 0001 [ 5.270948] ipip: IPv4 and MPLS over IPv4 tunneling driver [ 5.280981] mmcblk0: mmc0:0001 DA4064 58.2 GiB [ 5.287457] gre: GRE over IPv4 demultiplexor driver [ 5.293642] mmcblk0boot0: mmc0:0001 DA4064 partition 1 4.00 MiB [ 5.299770] ip_gre: GRE over IPv4 tunneling driver [ 5.309399] mmcblk0boot1: mmc0:0001 DA4064 partition 2 4.00 MiB [ 5.317080] IPv4 over IPsec tunneling driver [ 5.319787] mmcblk0rpmb: mmc0:0001 DA4064 partition 3 16.0 MiB, chardev (246:0) [ 5.327108] Initializing XFRM netlink socket [ 5.331488] usb 1-3: New USB device found, idVendor=8087, idProduct=0a2a, bcdDevice= 0.03 [ 5.340991] NET: Registered protocol family 10 [ 5.347362] usb 1-3: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 5.351218] mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12 [ 5.357147] Segment Routing with IPv6 [ 5.437025] usb 2-3: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 5.449649] usb 2-3: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=31.00 [ 5.457049] ip6_gre: GRE over IPv6 tunneling driver [ 5.461137] usb 2-3: New USB device strings: Mfr=1, Product=2, SerialNumber=6 [ 5.461139] usb 2-3: Product: USB 10/100/1000 LAN [ 5.461140] usb 2-3: Manufacturer: Realtek [ 5.461142] usb 2-3: SerialNumber: 001000001 [ 5.557823] NET: Registered protocol family 17 [ 5.563173] Key type dns_resolver registered [ 5.564957] usb 1-9: new high-speed USB device number 3 using xhci_hcd [ 5.576057] microcode: sig=0x806e9, pf=0x10, revision=0x98 [ 5.582294] microcode: Microcode Update Driver: v2.2. [ 5.582301] IPI shorthand broadcast: enabled [ 5.592800] sched_clock: Marking stable (5505853643, 86883743)->(5623410074, -30672688) [ 5.602370] registered taskstats version 1 [ 5.606982] Loading compiled-in X.509 certificates [ 5.614860] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.624563] tpm_tis_spi spi-PRP0001:00: Cr50 firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_A:0.5.6/cr50_v1.9308_87_mp.510-d2 [ 5.624810] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.646689] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.655990] PM: Magic number: 14:742:718 [ 5.661433] printk: console [netcon0] enabled [ 5.666374] netconsole: network logging started [ 5.727797] snd_hda_intel 0000:00:1f.3: bound 0000:00:02.0 (ops i915_audio_component_bind_ops) [ 5.729459] usb 1-9: New USB device found, idVendor=13d3, idProduct=56d4, bcdDevice=18.07 [ 5.746643] usb 1-9: New USB device strings: Mfr=3, Product=1, SerialNumber=2 [ 5.752216] snd_hda_intel 0000:00:1f.3: Cannot probe codecs, giving up [ 5.754635] usb 1-9: Product: USB2.0 HD UVC WebCam [ 5.754640] usb 1-9: Manufacturer: Azurewave [ 5.754642] usb 1-9: SerialNumber: 0x0001 [ 5.780480] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.829128] usb 2-3: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 5.854243] r8152 2-3:1.0: Direct firmware load for rtl_nic/rtl8153b-2.fw failed with error -2 [ 5.863958] r8152 2-3:1.0: unable to load firmware patch rtl_nic/rtl8153b-2.fw (-2) [ 5.902836] r8152 2-3:1.0 eth0: v1.11.11 [ 5.907940] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.908532] IP-Config: Failed to open gretap0 [ 5.921237] IP-Config: Failed to open erspan0 [ 5.946149] Sending DHCP requests . [ 7.493041] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready [ 7.504627] r8152 2-3:1.0 eth0: carrier on [ 8.843074] ., OK [ 8.853343] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.11 [ 8.862334] IP-Config: Complete: [ 8.865979] device=eth0, hwaddr=00:e0:4c:68:01:e7, ipaddr=192.168.201.11, mask=255.255.255.0, gw=192.168.201.1 [ 8.877676] host=asus-C433TA-AJ0005-rammus-cbg-1, domain=lava-rack, nis-domain=(none) [ 8.886936] bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath= [ 8.886939] nameserver0=192.168.201.1 [ 8.899761] cfg80211: Loading compiled-in X.509 certificates for regulatory database [ 8.911022] modprobe (100) used greatest stack depth: 14120 bytes left [ 8.913871] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' [ 8.925845] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 [ 8.927028] ALSA device list: [ 8.935518] cfg80211: failed to load regulatory.db [ 8.938835] No soundcards found. [ 8.948344] dw-apb-uart dw-apb-uart.2: forbid DMA for kernel console [ 8.957923] Freeing unused kernel image (initmem) memory: 1688K [ 8.970212] Write protecting the kernel read-only data: 26624k [ 8.977709] Freeing unused kernel image (text/rodata gap) memory: 2028K [ 8.985344] Freeing unused kernel image (rodata/data gap) memory: 152K [ 8.992691] Run /init as init process Loading, please wait... Starting version 247.3-7 [ 9.011964] systemd-udevd (122) used greatest stack depth: 13800 bytes left [ 9.058615] udevadm (124) used greatest stack depth: 13784 bytes left [ 9.193961] cros-usbpd-notify-acpi GOOG0003:00: Couldn't get Chrome EC device pointer. [ 9.203008] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.228479] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.270174] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.281255] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.298493] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.312873] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.322583] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.335720] udevadm (143) used greatest stack depth: 13728 bytes left Begin: Loading essential drivers ... [ 9.342954] udev (121) used greatest stack depth: 13560 bytes left 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:68:01:e7 mtu 1500 DHCP IP-Config: eth0 complete (dhcp from 192.168.201.1): address: 192.168.201.11 broadcast: 192.168.201.255 netmask: 255.255.255.0 gateway: 192.168.201.1 dns0 : 192.168.201.1 dns1 : 0.0.0.0 host : asus-C433TA-AJ0005-rammus-cbg-1 domain : lava-rack rootserver: 192.168.201.1 rootpath: filename : [ 9.511218] nfsmount (161) 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 [ 10.687963] 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) [ 10.725247] systemd[1]: Detected architecture x86-64. Welcome to [1mDebian GNU/Linux 11 (bullseye)[0m! [ 10.754757] systemd[1]: Set hostname to . [ 11.353109] systemd[1]: Queued start job for default target Graphical Interface. [ 11.365122] systemd[1]: Created slice system-getty.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-getty.slice[0m. [ 11.381816] systemd[1]: Created slice system-modprobe.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-modprobe.slice[0m. [ 11.398854] systemd[1]: Created slice system-serial\x2dgetty.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-serial\x2dgetty.slice[0m. [ 11.415774] systemd[1]: Created slice User and Session Slice. [[0;32m OK [0m] Created slice [0;1;39mUser and Session Slice[0m. [ 11.432663] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [[0;32m OK [0m] Started [0;1;39mDispatch Password …ts to Console Directory Watch[0m. [ 11.454505] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [[0;32m OK [0m] Started [0;1;39mForward Password R…uests to Wall Directory Watch[0m. [ 11.476496] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point. [[0;32m OK [0m] Set up automount [0;1;39mArbitrary…s File System Automount Point[0m. [ 11.499353] systemd[1]: Reached target Local Encrypted Volumes. [[0;32m OK [0m] Reached target [0;1;39mLocal Encrypted Volumes[0m. [ 11.515244] systemd[1]: Reached target Paths. [[0;32m OK [0m] Reached target [0;1;39mPaths[0m. [ 11.526216] systemd[1]: Reached target Remote File Systems. [[0;32m OK [0m] Reached target [0;1;39mRemote File Systems[0m. [ 11.542297] systemd[1]: Reached target Slices. [[0;32m OK [0m] Reached target [0;1;39mSlices[0m. [ 11.556305] systemd[1]: Reached target Swap. [[0;32m OK [0m] Reached target [0;1;39mSwap[0m. [ 11.567661] systemd[1]: Listening on initctl Compatibility Named Pipe. [[0;32m OK [0m] Listening on [0;1;39minitctl Compatibility Named Pipe[0m. [ 11.585514] systemd[1]: Listening on Journal Audit Socket. [[0;32m OK [0m] Listening on [0;1;39mJournal Audit Socket[0m. [ 11.602526] systemd[1]: Listening on Journal Socket (/dev/log). [[0;32m OK [0m] Listening on [0;1;39mJournal Socket (/dev/log)[0m. [ 11.619968] systemd[1]: Listening on Journal Socket. [[0;32m OK [0m] Listening on [0;1;39mJournal Socket[0m. [ 11.635525] systemd[1]: Listening on Network Service Netlink Socket. [[0;32m OK [0m] Listening on [0;1;39mNetwork Service Netlink Socket[0m. [ 11.654894] systemd[1]: Listening on udev Control Socket. [[0;32m OK [0m] Listening on [0;1;39mudev Control Socket[0m. [ 11.670773] systemd[1]: Listening on udev Kernel Socket. [[0;32m OK [0m] Listening on [0;1;39mudev Kernel Socket[0m. [ 11.688865] systemd[1]: Mounting Huge Pages File System... Mounting [0;1;39mHuge Pages File System[0m... [ 11.703606] systemd[1]: Mounting POSIX Message Queue File System... Mounting [0;1;39mPOSIX Message Queue File System[0m... [ 11.724321] systemd[1]: Mounting Kernel Debug File System... Mounting [0;1;39mKernel Debug File System[0m... [ 11.743173] systemd[1]: Mounting Kernel Trace File System... Mounting [0;1;39mKernel Trace File System[0m... [ 11.766356] 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... [ 11.786487] systemd[1]: Starting Load Kernel Module configfs... Starting [0;1;39mLoad Kernel Module configfs[0m... [ 11.801319] systemd[1]: Starting Load Kernel Module drm... Starting [0;1;39mLoad Kernel Module drm[0m... [ 11.815742] systemd[1]: Starting Load Kernel Module fuse... Starting [0;1;39mLoad Kernel Module fuse[0m... [ 11.853578] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. [ 11.853717] fuse: init (API version 7.32) [ 11.869599] systemd[1]: Starting Journal Service... Starting [0;1;39mJournal Service[0m... [ 11.885271] systemd[1]: Starting Load Kernel Modules... Starting [0;1;39mLoad Kernel Modules[0m... [ 11.898331] systemd[1]: Starting Remount Root and Kernel File Systems... Starting [0;1;39mRemount Root and Kernel File Systems[0m... [ 11.917388] systemd[1]: Starting Coldplug All udev Devices... Starting [0;1;39mColdplug All udev Devices[0m... [ 11.933462] systemd[1]: Mounted Huge Pages File System. [[0;32m OK [0m] Mounted [0;1;39mHuge Pages File System[0m. [ 11.948222] systemd[1]: Mounted POSIX Message Queue File System. [[0;32m OK [0m] Mounted [0;1;39mPOSIX Message Queue File System[0m. [ 11.964203] systemd[1]: Mounted Kernel Debug File System. [[0;32m OK [0m] Mounted [0;1;39mKernel Debug File System[0m. [ 11.980353] systemd[1]: Mounted Kernel Trace File System. [[0;32m OK [0m] Mounted [0;1;39mKernel Trace File System[0m. [ 11.996109] systemd[1]: Finished Create list of static device nodes for the current kernel. [[0;32m OK [0m] Finished [0;1;39mCreate list of st… nodes for the current kernel[0m. [ 12.017798] systemd[1]: modprobe@configfs.service: Succeeded. [ 12.024957] systemd[1]: Finished Load Kernel Module configfs. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module configfs[0m. [ 12.041274] 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... [ 12.156304] systemd-journald[196]: Received client request to flush runtime journal. [[0;32m OK [0m] Mounted [0;1;39mFUSE Control File System[0m. [[0;32m OK [0m] Mounted [0;1;39mKernel Configuration File 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. [ 13.691399] systemd-tmpfile (208) used greatest stack depth: 12528 bytes left [[0;32m OK [0m] Finished [0;1;39mCreate Static Device Nodes in /dev[0m. [[0;32m OK [0m] Reached target [0;1;39mLocal File Systems (Pre)[0m. [[0;32m OK [0m] Reached target [0;1;39mLocal File Systems[0m. Starting [0;1;39mCreate Volatile Files and Directories[0m... Starting [0;1;39mRule-based Manage…for Device Events and Files[0m... [[0;32m OK [0m] Started [0;1;39mRule-based Manager for Device Events and Files[0m. Starting [0;1;39mNetwork Service[0m... [[0;32m OK [0m] Finished [0;1;39mCreate Volatile Files and Directories[0m. Starting [0;1;39mUpdate UTMP about System Boot/Shutdown[0m... [[0;32m OK [0m] Finished [0;1;39mUpdate UTMP about System Boot/Shutdown[0m. [[0;32m OK [0m] Reached target [0;1;39mSystem Initialization[0m. [[0;32m OK [0m] Started [0;1;39mDaily apt download activities[0m. [[0;32m OK [0m] Started [0;1;39mDaily apt upgrade and clean activities[0m. [[0;32m OK [0m] Started [0;1;39mPeriodic ext4 Onli…ata Check for All Filesystems[0m. [[0;32m OK [0m] Started [0;1;39mDiscard unused blocks once a week[0m. [[0;32m OK [0m] Started [0;1;39mDaily Cleanup of Temporary Directories[0m. [[0;32m OK [0m] Reached target [0;1;39mTimers[0m. [[0;32m OK [0m] Listening on [0;1;39mD-Bus System Message Bus Socket[0m. [[0;32m OK [0m] Reached target [0;1;39mSockets[0m. [[0;32m OK [0m] Reached target [0;1;39mBasic System[0m. [[0;32m OK [0m] Started [0;1;39mD-Bus System Message Bus[0m. Starting [0;1;39mRemove Stale Onli…t4 Metadata Check Snapshots[0m... Starting [0;1;39mUser Login Management[0m... [[0;32m OK [0m] Found device [0;1;39mSunrise Point-LP Serial IO UART Controller[0m. [[0;32m OK [0m] Started [0;1;39mNetwork Service[0m. [[0;32m OK [0m] Created slice [0;1;39msystem-systemd\x2dbacklight.slice[0m. [[0;32m OK [0m] Listening on [0;1;39mLoad/Save RF …itch Status /dev/rfkill Watch[0m. Starting [0;1;39mLoad/Save Screen …f backlight:intel_backlight[0m... Starting [0;1;39mNetwork Name Resolution[0m... [[0;32m OK [0m] Finished [0;1;39mRemove Stale Onli…ext4 Metadata Check Snapshots[0m. [[0;32m OK [0m] Finished [0;1;39mLoad/Save Screen … of backlight:intel_backlight[0m. [[0;32m OK [0m] Started [0;1;39mUser Login Management[0m. [[0;32m OK [0m] 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-cip11 #1 SMP Thu Jul 7 05:34:40 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/6771449/extract-nfsrootfs-_23fr1ij' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/6771449/extract-nfsrootfs-_23fr1ij' / #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-6771449/environment . /lava-6771449/environment / # /lava-6771449/bin/lava-test-runner /lava-6771449/0 /lava-6771449/bin/lava-test-runner /lava-6771449/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-6771449/0/tests/0_timesync-off ++ cat uuid + UUID=6771449_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-6771449/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=6771449_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/v5.10.126-cip11-116-gef362fbbff528/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-6771449/0/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. --2022-07-07 05:43:14-- http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.126-cip11-116-gef362fbbff528/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: 3464952 (3.3M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 1%[ ] 47.81K 165KB/s kselftest.tar.xz 6%[> ] 218.91K 376KB/s kselftest.tar.xz 26%[====> ] 884.93K 1.06MB/s kselftest.tar.xz 40%[=======> ] 1.35M 1.27MB/s kselftest.tar.xz 83%[===============> ] 2.77M 2.01MB/s kselftest.tar.xz 100%[===================>] 3.30M 2.35MB/s in 1.4s 2022-07-07 05:43:16 (2.35 MB/s) - 'kselftest.tar.xz' saved [3464952/3464952] skiplist: ======================================== breakpoints:breakpoint_test breakpoints:step_after_suspend_test ftrace:ftracetest net:rtnetlink.sh net:tls netfilter:bridge_brouter.sh netfilter:nft_flowtable.sh netfilter:nft_trans_stress.sh pidfd:pidfd_wait ======================================== [ 47.564494] 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 [ 47.800392] lkdtm: Performing direct entry BUG [ 47.805447] ------------[ cut here ]------------ [ 47.810635] kernel BUG at drivers/misc/lkdtm/bugs.c:76! [ 47.816500] invalid opcode: 0000 [#1] SMP PTI [ 47.821374] CPU: 2 PID: 721 Comm: cat Not tainted 5.10.128-cip11 #1 [ 47.828373] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 47.835182] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 47.839566] 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 [ 47.860554] RSP: 0018:ffff9fa84138fe60 EFLAGS: 00010282 [ 47.866389] RAX: ffffffffaecb1ae0 RBX: 0000000000000001 RCX: 0000000000000000 [ 47.874352] RDX: 0000000000000000 RSI: ffff962c3ad1bf70 RDI: ffffffffaf8d9a70 [ 47.882314] RBP: ffffffffafd1b048 R08: 0000000000000001 R09: 0000000000000001 [ 47.890286] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 47.898256] R13: ffff9fa84138ff10 R14: ffff9fa84138ff10 R15: ffff962bc41d9000 [ 47.906229] FS: 00007f8229767580(0000) GS:ffff962c3ad00000(0000) knlGS:0000000000000000 [ 47.915259] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.921677] CR2: 00007f8229580000 CR3: 0000000105958005 CR4: 00000000003706e0 [ 47.929648] Call Trace: [ 47.932375] direct_entry.cold+0x2c/0x38 [ 47.936756] full_proxy_write+0x56/0x80 [ 47.941037] vfs_write+0xea/0x390 [ 47.944734] ksys_write+0x68/0xe0 [ 47.948433] do_syscall_64+0x33/0x40 [ 47.952414] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 47.958056] RIP: 0033:0x7f822968ff33 [ 47.962045] 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 [ 47.983031] RSP: 002b:00007ffd7e66dc48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 47.991481] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f822968ff33 [ 47.999451] RDX: 0000000000000004 RSI: 00007f8229580000 RDI: 0000000000000001 [ 48.007422] RBP: 00007f8229580000 R08: 00007f822957f010 R09: 0000000000000000 [ 48.015391] R10: 00007f822978a1c0 R11: 0000000000000246 R12: 0000000000000001 [ 48.023363] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 48.031336] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 48.057816] ---[ end trace 7d1a79d3f1134215 ]--- [ 48.062995] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 48.067394] 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 [ 48.088414] RSP: 0018:ffff9fa84138fe60 EFLAGS: 00010282 [ 48.094278] RAX: ffffffffaecb1ae0 RBX: 0000000000000001 RCX: 0000000000000000 [ 48.102252] RDX: 0000000000000000 RSI: ffff962c3ad1bf70 RDI: ffffffffaf8d9a70 [ 48.110227] RBP: ffffffffafd1b048 R08: 0000000000000001 R09: 0000000000000001 [ 48.118199] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 48.126173] R13: ffff9fa84138ff10 R14: ffff9fa84138ff10 R15: ffff962bc41d9000 [ 48.134147] FS: 00007f8229767580(0000) GS:ffff962c3ad00000(0000) knlGS:0000000000000000 [ 48.143188] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.149607] CR2: 00007f8229580000 CR3: 0000000105958005 CR4: 00000000003706e0 # Segmentation fault # [ 47.800392] lkdtm: Performing direct entry BUG # [ 47.805447] ------------[ cut here ]------------ # [ 47.810635] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 47.816500] invalid opcode: 0000 [#1] SMP PTI # [ 47.821374] CPU: 2 PID: 721 Comm: cat Not tainted 5.10.128-cip11 #1 # [ 47.828373] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 47.835182] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 47.839566] 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 1[ 48.226084] lkdtm: Performing direct entry WARNING [ 48.234349] ------------[ cut here ]------------ [ 48.239519] WARNING: CPU: 3 PID: 757 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0xf/0x20 [ 48.248859] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 1a 70 02 # [ 47.8[ 48.275315] CPU: 3 PID: 757 Comm: cat Tainted: G D 5.10.128-cip11 #1 [ 48.290082] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 48.296891] RIP: 0010:lkdtm_WARNING+0xf/0x20 [ 48.301658] 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 [ 48.322648] RSP: 0018:ffff9fa841427e60 EFLAGS: 00010202 [ 48.328510] RAX: ffffffffaecb1af0 RBX: 0000000000000002 RCX: 0000000000000000 60554] RSP: 0018:ffff9fa84138fe60 EFLAGS: 00010282 # [ 47.866[ 48.336484] RDX: 0000000000000000 RSI: ffff962c3ad9bf70 RDI: ffffffffaf8d9a80 389] RAX: ffffffffaecb1ae0 RBX: 0000000000000001 RCX: 0000000000[ 48.350672] RBP: ffffffffafcbfc57 R08: 0000000000000000 R09: 0000000000000000 [ 48.364867] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 [ 48.372870] R13: ffff9fa841427f10 R14: ffff9fa841427f10 R15: ffff962bc59cc000 [ 48.380847] FS: 00007fbe3960e580(0000) GS:ffff962c3ad80000(0000) knlGS:0000000000000000 [ 48.389886] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.396307] CR2: 00007fbe39427000 CR3: 0000000103304005 CR4: 00000000003706e0 [ 48.404285] Call Trace: [ 48.407067] direct_entry.cold+0x2c/0x38 000000 # [ 47.874352] RDX: 0000000000000000 RSI: ffff962c3ad1[ 48.411458] full_proxy_write+0x56/0x80 [ 48.421950] vfs_write+0xea/0x390 [ 48.425654] ksys_write+0x68/0xe0 [ 48.429356] do_syscall_64+0x33/0x40 [ 48.433380] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 48.439024] RIP: 0033:0x7fbe39536f33 [ 48.443015] 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 [ 48.464002] RSP: 002b:00007fff25e49d78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 48.472461] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007fbe39536f33 [ 48.480435] RDX: 0000000000000008 RSI: 00007fbe39427000 RDI: 0000000000000001 [ 48.488406] RBP: 00007fbe39427000 R08: 00007fbe39426010 R09: 0000000000000000 [ 48.496379] R10: 00007fbe396311c0 R11: 0000000000000246 R12: 0000000000000001 [ 48.504351] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 48.512326] irq event stamp: 0 [ 48.515763] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 48.522768] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 bf70 RDI: ffffffffaf8d9a70 # [ 47.882314] RBP: ffffffffafd1b0[ 48.531945] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 48.547291] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 48.554292] ---[ end trace 7d1a79d3f1134216 ]--- 48 R08: 0000000000000001 R09: 0000000000000001 # [ 47.890286] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 47.898256] R13: ffff9fa84138ff10 R14: ffff9fa84138ff10 R15: ffff962bc41d9000 # [ 47.906229] FS: 00007f8229767580(0000) GS:ffff962c3ad00000(0000) knlGS:0000000000000000 # [ 47.915259] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 47.921677] CR2: 00007f8229580000 CR3: 0000000105958005 CR4: 00000000003706e0 # [ 47.929648] Call Trace: # [ 47.932375] direct_entry.cold+0x2c/0x38 # [ 47.936756] full_proxy_write+0x56/0x80 # [ 47.941037] vfs_write+0xea/0x390 # [ 47.944734] ksys_write+0x68/0xe0 # [ 47.948433] do_syscall_64+0x33/0x40 # [ 47.952414] entry_SYSCALL_64_after_hwframe+0x44/0xa9[ 48.630557] lkdtm: Performing direct entry WARNING_MESSAGE # [ 47.958056] RIP: 0033:0x7f822968ff33 # [ 47.962045] Cod[ 48.640334] ------------[ cut here ]------------ e: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0[ 48.651709] Warning message trigger count: 2 f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05[ 48.662719] WARNING: CPU: 0 PID: 792 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 2[ 48.679170] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 4 18 # [ 47.983031] RSP: 002b:00007ffd7e66dc48 EFLAGS: 000002[ 48.711799] CPU: 0 PID: 792 Comm: cat Tainted: G D W 5.10.128-cip11 #1 46 ORIG_RAX: 0000000000000001 # [ 47.991481] RAX: fffffffffff[ 48.726610] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 fffda RBX: 0000000000000004 RCX: 00007f822968ff33 # [ 47.9994[ 48.739631] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 51] RDX: 0000000000000004 RSI: 00007f8229580000 RDI: 00000000000[ 48.751516] 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 b8 01 cc af 8d 70 01 89 35 01 1a 70 02 e8 26 99 61 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 0f 1f 44 00 00 c7 00001 # [ 48.007422] RBP: 00007f8229580000 R08: 00007f822957f[ 48.778697] RSP: 0018:ffff9fa8414b7e60 EFLAGS: 00010286 010 R09: 0000000000000000 # [ 48.015391] R10: 00007f822978a1c[ 48.790767] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 0 R11: 0000000000000246 R12: 0000000000000001 # [ 48.023363] [ 48.804931] RDX: ffff962c3ac2c660 RSI: ffff962c3ac1bf70 RDI: ffff962c3ac1bf70 R13: 0000000000000001 R14: 0000000000020000 R15: 000000000002000[ 48.819096] RBP: ffffffffafcbfc5f R08: 0000000000000000 R09: 0000000000000000 0 # [ 48.031336] Modules linked in: fuse ip_tables cros_ec_se[ 48.833305] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 nsors cros_ec_sensors_core industrialio_triggered_buffer kfifo_b[ 48.847469] R13: ffff9fa8414b7f10 R14: ffff9fa8414b7f10 R15: ffff962bc37a7000 uf industrialio cros_ec_sensorhub cros_ec_chardev cros_ec_lightb[ 48.861661] FS: 00007f7d03c00580(0000) GS:ffff962c3ac00000(0000) knlGS:0000000000000000 ar cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_de[ 48.876923] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 v cros_usbpd_notify # [ 48.057816] ---[ end trace 7d1a79d3f11[ 48.889563] CR2: 00007f7d03a19000 CR3: 0000000104224005 CR4: 00000000003706f0 34215 ]--- # [ 48.062995] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ [ 48.903753] Call Trace: 48.067394] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 e[ 48.912715] direct_entry.cold+0x2c/0x38 a ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc[ 48.923307] full_proxy_write+0x56/0x80 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 0[ 48.933827] vfs_write+0xea/0x390 0 83 05 30 1a 70 02 # [ 48.088414] RSP: 0018:ffff9fa84138fe60[ 48.943727] ksys_write+0x68/0xe0 EFLAGS: 00010282 # [ 48.094278] RAX: ffffffffaecb1ae0 RBX: 0[ 48.953653] do_syscall_64+0x33/0x40 000000000000001 RCX: 0000000000000000 # [ 48.102252] RDX: 000[ 48.963846] entry_SYSCALL_64_after_hwframe+0x44/0xa9 0000000000000 RSI: ffff962c3ad1bf70 RDI: ffffffffaf8d9a70 # [ [ 48.975720] RIP: 0033:0x7f7d03b28f33 48.110227] RBP: ffffffffafd1b048 R08: 0000000000000001 R09: 000[ 48.985917] 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 0000000000001 # [ 48.118199] R10: 00000000ffffe000 R11: 3ffff[ 49.013128] RSP: 002b:00007ffc7cbaebf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 fffffffffff R12: 0000000000000004 # [ 48.126173] R13: ffff9fa[ 49.027793] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f7d03b28f33 84138ff10 R14: ffff9fa84138ff10 R15: ffff962bc41d9000 # [ 48.[ 49.041977] RDX: 0000000000000010 RSI: 00007f7d03a19000 RDI: 0000000000000001 [ 49.056148] RBP: 00007f7d03a19000 R08: 00007f7d03a18010 R09: 0000000000000000 134147] FS: 00007f8229767580(0000) GS:ffff962c3ad00000(0000) kn[ 49.064138] R10: 00007f7d03c231c0 R11: 0000000000000246 R12: 0000000000000001 lGS:0000000000000000 # [ 48.143188] CS: 0010 DS: 0000 ES: 00[ 49.078305] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 00 CR0: 0000000080050033 # [ 48.149607] CR2: 00007f8229580000[ 49.092530] irq event stamp: 0 CR3: 0000000105958005 CR4: 00000000003706e0 # BUG: saw 'kernel[ 49.102122] hardirqs last enabled at (0): [<0000000000000000>] 0x0 BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftests: lkdtm:[ 49.115340] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 WARNING.sh # [ 48.226084] lkdtm: Performing direct entry WAR[ 49.130762] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 NING # [ 48.234349] ------------[ cut here ]------------ # [[ 49.146129] softirqs last disabled at (0): [<0000000000000000>] 0x0 48.239519] WARNING: CPU: 3 PID: 757 at drivers/misc/lkdtm/bug[ 49.159357] ---[ end trace 7d1a79d3f1134217 ]--- s.c:83 lkdtm_WARNING+0xf/0x20 # [ 48.248859] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 48.275315] CPU: 3 PID: 757 Comm: cat Tainted: G D 5.10.128-cip11 #1 # [ 48.290082] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 48.296891] RIP: 0010:lkdtm_WARNING+0xf/0x20 # [ 48.301658] 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 # [ 48.322648] RSP: 0018:ffff9fa841427e60 EFLAGS: 00010202 # [ 48.328510] RAX: ffffffffaecb[ 49.245591] lkdtm: Performing direct entry EXCEPTION 1af0 RBX: 0000000000000002 RCX: 0000000000000000 # [ 48.33648[ 49.257120] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 49.271082] #PF: supervisor write access in kernel mode [ 49.276904] #PF: error_code(0x0002) - not-present page [ 49.282638] PGD 0 P4D 0 [ 49.285461] Oops: 0002 [#2] SMP PTI [ 49.289351] CPU: 0 PID: 824 Comm: cat Tainted: G D W 5.10.128-cip11 #1 [ 49.297901] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 49.304707] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 [ 49.309671] Code: 48 c7 c7 b8 01 cc af 8d 70 01 89 35 01 1a 70 02 e8 26 99 61 00 0f 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 0f 1f 44 00 00 04 25 00 00 00 00 00 00 00 00 c3 66 66 2e 0f 1f 84 00 00 00 00 [ 49.330649] RSP: 0018:ffff9fa841537e60 EFLAGS: 00010282 [ 49.336480] RAX: ffffffffaecb1b40 RBX: 0000000000000004 RCX: 0000000000000000 [ 49.344447] RDX: 0000000000000000 RSI: ffff962c3ac1bf70 RDI: ffffffffaf8d9aa0 [ 49.352415] RBP: ffffffffafbf586f R08: 0000000000000000 R09: 0000000000000000 [ 49.360382] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 49.368349] R13: ffff9fa841537f10 R14: ffff9fa841537f10 R15: ffff962bc3570000 [ 49.376315] FS: 00007f5a0dcab580(0000) GS:ffff962c3ac00000(0000) knlGS:0000000000000000 [ 49.385350] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.391764] CR2: 0000000000000000 CR3: 0000000102baa002 CR4: 00000000003706f0 [ 49.399730] Call Trace: [ 49.402456] direct_entry.cold+0x2c/0x38 [ 49.406841] full_proxy_write+0x56/0x80 [ 49.411127] vfs_write+0xea/0x390 [ 49.414825] ksys_write+0x68/0xe0 [ 49.418520] do_syscall_64+0x33/0x40 [ 49.422499] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 49.428130] RIP: 0033:0x7f5a0dbd3f33 [ 49.432118] 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 [ 49.453093] RSP: 002b:00007ffdeecd8a18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 49.461545] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f5a0dbd3f33 [ 49.469513] RDX: 000000000000000a RSI: 00007f5a0dac4000 RDI: 0000000000000001 [ 49.477479] RBP: 00007f5a0dac4000 R08: 00007f5a0dac3010 R09: 0000000000000000 [ 49.485445] R10: 00007f5a0dcce1c0 R11: 0000000000000246 R12: 0000000000000001 [ 49.493411] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 49.501379] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 49.527810] CR2: 0000000000000000 [ 49.531505] ---[ end trace 7d1a79d3f1134218 ]--- [ 49.536656] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 49.541030] 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 [ 49.562008] RSP: 0018:ffff9fa84138fe60 EFLAGS: 00010282 [ 49.567839] RAX: ffffffffaecb1ae0 RBX: 0000000000000001 RCX: 0000000000000000 [ 49.575806] RDX: 0000000000000000 RSI: ffff962c3ad1bf70 RDI: ffffffffaf8d9a70 [ 49.583772] RBP: ffffffffafd1b048 R08: 0000000000000001 R09: 0000000000000001 [ 49.591737] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 49.599704] R13: ffff9fa84138ff10 R14: ffff9fa84138ff10 R15: ffff962bc41d9000 [ 49.607669] FS: 00007f5a0dcab580(0000) GS:ffff962c3ac00000(0000) knlGS:0000000000000000 [ 49.616705] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.623119] CR2: 0000000000000000 CR3: 0000000102baa002 CR4: 00000000003706f0 [ 49.631089] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 49.641000] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 824, name: cat [ 49.649357] INFO: lockdep is turned off. [ 49.653733] irq event stamp: 0 [ 49.657137] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 49.664135] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 49.673268] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 49.682393] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 49.689390] CPU: 0 PID: 824 Comm: cat Tainted: G D W 5.10.128-cip11 #1 [ 49.697940] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 49.704740] Call Trace: [ 49.707467] dump_stack+0x77/0x97 [ 49.711165] ___might_sleep.cold+0xa6/0xb6 [ 49.715735] exit_signals+0x1c/0x2d0 [ 49.719714] do_exit+0xd5/0xb00 [ 49.723215] ? ksys_write+0x68/0xe0 [ 49.727106] rewind_stack_do_exit+0x17/0x20 [ 49.731771] RIP: 0033:0x7f5a0dbd3f33 [ 49.735757] 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 [ 49.756736] RSP: 002b:00007ffdeecd8a18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 49.765188] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f5a0dbd3f33 [ 49.773154] RDX: 000000000000000a RSI: 00007f5a0dac4000 RDI: 0000000000000001 [ 49.781120] RBP: 00007f5a0dac4000 R08: 00007f5a0dac3010 R09: 0000000000000000 [ 49.789086] R10: 00007f5a0dcce1c0 R11: 0000000000000246 R12: 0000000000000001 [ 49.797054] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 4] RDX: 0000000000000000 RSI: ffff962c3ad9bf70 RDI: ffffffffaf8d9a80 # [ 48.350672] RBP: ffffffffafcbfc57 R08: 0000000000000000 R09: 0000000000000000 # [ 48.364867] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 # [ 48.372870] R13: ffff9fa841427f10 R14: ffff9fa841427f10 R15: ffff962bc59cc000 # [ 48.380847] FS: 00007fbe3960e580(0000) GS:ffff962c3ad80000(0000) knlGS:0000000000000000 # [ 48.389886] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 48.396307] CR2: 00007fbe39427000 CR3: 0000000103304005 CR4: 00000000003706e0 # [ 48.404285] Call Trace: # [ 48.407067] direct_entry.cold+0x2c/0x38 # [ 48.411458] full_proxy_write+0x56/0x80 # [ 48.421950] vfs_write+0xea/0x390 # [ 48.425654] ksys_write+0x68/0xe0 # [ 48.429356] do_syscall_64+0x33/0x40 # [ 48.433380] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 48.439024] RIP: 0033:0x7fbe39536f33 # [ 48.443015] 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 # [ 48.464002] RSP: 002b:00007fff25e49d78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 48.472461] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007fbe39536f33 # [ 48.480435] RDX: 0000000000000008 RSI: 00007fbe39427000 RDI: 0000000000000001 # [ 48.488406] RBP: 00007fbe39427000 R08: 00007fbe39426010 R09: 0000000000000000 # [ 48.496379] R10: 00007fbe396311c0 R11: 0000000000000246 R12: 0000000000000001 # [ 48.504351] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 48.512326] irq event stamp: 0 # [ 48.515763] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 48.522768] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 48.531945] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 48.547291] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 48.554292] ---[ end trace 7d1a79d3f1134216 ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ 48.630557] lkdtm: Performing direct entry WARNING_MESSAGE # [ 48.640334] ------------[ cut here ]------------ # [ 48.651709] Warning message trigger count: 2 # [ 48.662719] WARNING: CPU: 0 PID: 792 at drivers/misc/lkdtm/bugs.c:88 lkdt[ 50.037583] lkdtm: Performing direct entry CORRUPT_LIST_ADD m_WARNING_MESSAGE+0x20/0x30 # [ 48.679170] Modules linked in:[ 50.047443] lkdtm: attempting good list addition fuse ip_tables cros_ec_sensors cros_ec_sensors_core industriali[ 50.058829] lkdtm: attempting corrupted list addition o_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros[ 50.070705] lkdtm: list_add() corruption not detected! _ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 48.711799] CPU: 0 PID: 792 Comm: cat Tainted: G D W 5.10.128-cip11 #1 # [ 48.726610] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 48.739631] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 48.751516] 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 b8 01 cc af 8d 70 01 89 35 01 1a 70 02 e8 26 99 61 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 0f 1f 44 00 00 c7 # [ 48.778697] RSP: 0018:ffff9fa8414b7e60 EFLAGS: 00010286 # [ 48.790767] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 # [ 48.804931] RDX: ffff962c3ac2c660 RSI: ffff962c3ac1bf70 RDI: ffff962c3ac1bf70 # [ 48.819096] RBP: ffffffffafcbfc5f R08: 0000000000000000 R09: 0000000000000000 # [ 48.833305] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 # [ 48.847469] R13: ffff9fa8414b7f10 R14: ffff9fa8414b7f10 R15: ffff962bc37a7000 # [ 48.861661] FS: 00007f7d03c00580(0000) GS:ffff962c3ac00000(0000) knlGS:0000000000000000 # [ 48.876923] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 48.889563] CR2[ 50.195687] lkdtm: Performing direct entry CORRUPT_LIST_DEL : 00007f7d03a19000 CR3: 0000000104224005 CR4: 00000000003706f0 [ 50.206958] lkdtm: attempting good list removal # [ 48.903753] Call Trace: # [ 48.912715] direct_entry.col[ 50.218228] lkdtm: attempting corrupted list removal d+0x2c/0x38 # [ 48.923307] full_proxy_write+0x56/0x80 # [ [ 50.230027] lkdtm: list_del() corruption not detected! 48.933827] vfs_write+0xea/0x390 # [ 48.943727] ksys_write+0x68/0xe0 # [ 48.953653] do_syscall_64+0x33/0x40 # [ 48.963846] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 48.975720] RIP: 0033:0x7f7d03b28f33 # [ 48.985917] 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 # [ 49.013128] RSP: 002b:00007ffc7cbaebf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 49.027793] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f7d03b28f33 # [ 49.041977] RDX: 0000000000000010 RSI: 00007f7d03a19000 RDI: 0000000000000001 # [ 49.056148] RBP: 00007f7d03a19000 R08: 00007f7d03a18010 R09: 000000[ 50.313757] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING 0000000000 # [ 49.064138] R10: 00007f7d03c231c0 R11: 00000000[ 50.323576] lkdtm: attempting bad read from page below current stack 00000246 R12: 0000000000000001 # [ 49.078305] R13: 0000000000[ 50.336894] BUG: stack guard page was hit at 00000000dcd3ada9 (stack is 00000000a7750ff1..0000000098d1efc8) [ 50.353994] kernel stack overflow (page fault): 0000 [#3] SMP PTI [ 50.360797] CPU: 1 PID: 1049 Comm: cat Tainted: G D W 5.10.128-cip11 #1 [ 50.369445] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 50.376250] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a 000001 R14: 0000000000020000 R15: 0000000000020000 # [ 49.092[ 50.382762] Code: 41 5c c3 0f 1f 44 00 00 53 48 c7 c7 58 05 cc af 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 31 a4 fd ff 48 c7 c7 98 05 cc af <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 17 a4 fd ff 0f 1f 44 [ 50.409951] RSP: 0018:ffff9fa84189fe50 EFLAGS: 00010246 [ 50.415783] RAX: 0000000000000038 RBX: ffff9fa84189c000 RCX: 0000000000000000 [ 50.423750] RDX: 0000000000000000 RSI: ffff962c3ac9bf70 RDI: ffffffffafcc0598 [ 50.431718] RBP: ffffffffafcbfcc2 R08: 0000000000000000 R09: 0000000000000000 [ 50.439685] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 [ 50.447650] R13: ffff9fa84189ff10 R14: ffff9fa84189ff10 R15: ffff962bc59e3000 [ 50.455618] FS: 00007f6bddda4580(0000) GS:ffff962c3ac80000(0000) knlGS:0000000000000000 [ 50.464653] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.471067] CR2: ffff9fa84189bfff CR3: 0000000104ee8005 CR4: 00000000003706e0 [ 50.479033] Call Trace: [ 50.481758] ? lkdtm_CORRUPT_LIST_DEL+0xdc/0xdc [ 50.486805] direct_entry.cold+0x2c/0x38 [ 50.491181] full_proxy_write+0x56/0x80 [ 50.495463] vfs_write+0xea/0x390 [ 50.499158] ksys_write+0x68/0xe0 [ 50.502855] do_syscall_64+0x33/0x40 [ 50.506833] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 50.512471] RIP: 0033:0x7f6bddcccf33 [ 50.516455] 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 [ 50.537430] RSP: 002b:00007ffe05372df8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 50.545882] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f6bddcccf33 [ 50.553848] RDX: 0000000000000019 RSI: 00007f6bddbbd000 RDI: 0000000000000001 [ 50.561815] RBP: 00007f6bddbbd000 R08: 00007f6bddbbc010 R09: 0000000000000000 [ 50.569781] R10: 00007f6bdddc71c0 R11: 0000000000000246 R12: 0000000000000001 [ 50.577748] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 530] irq event stamp: 0 # [ 49.102122] hardirqs last enabled[ 50.585716] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 50.618349] ---[ end trace 7d1a79d3f1134219 ]--- [ 50.623505] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 50.627881] 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 [ 50.648850] RSP: 0018:ffff9fa84138fe60 EFLAGS: 00010282 [ 50.654674] RAX: ffffffffaecb1ae0 RBX: 0000000000000001 RCX: 0000000000000000 [ 50.662639] RDX: 0000000000000000 RSI: ffff962c3ad1bf70 RDI: ffffffffaf8d9a70 [ 50.670605] RBP: ffffffffafd1b048 R08: 0000000000000001 R09: 0000000000000001 [ 50.678571] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 50.686536] R13: ffff9fa84138ff10 R14: ffff9fa84138ff10 R15: ffff962bc41d9000 [ 50.694502] FS: 00007f6bddda4580(0000) GS:ffff962c3ac80000(0000) knlGS:0000000000000000 [ 50.703538] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.709951] CR2: ffff9fa84189bfff CR3: 0000000104ee8005 CR4: 00000000003706e0 [ 50.717942] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 50.727851] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1049, name: cat [ 50.736302] INFO: lockdep is turned off. [ 50.740675] irq event stamp: 0 [ 50.744079] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 50.751079] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 50.760213] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 50.769345] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 50.776339] CPU: 1 PID: 1049 Comm: cat Tainted: G D W 5.10.128-cip11 #1 [ 50.784991] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 50.791794] Call Trace: [ 50.794521] dump_stack+0x77/0x97 at (0): [<0000000000000000>] 0x0 # [ 49.115340] hardirqs las[ 50.798217] ___might_sleep.cold+0xa6/0xb6 [ 50.809002] exit_signals+0x1c/0x2d0 [ 50.812995] do_exit+0xd5/0xb00 [ 50.816497] ? ksys_write+0x68/0xe0 [ 50.820387] rewind_stack_do_exit+0x17/0x20 [ 50.825053] RIP: 0033:0x7f6bddcccf33 [ 50.829038] 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 [ 50.850015] RSP: 002b:00007ffe05372df8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 50.858467] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f6bddcccf33 [ 50.866432] RDX: 0000000000000019 RSI: 00007f6bddbbd000 RDI: 0000000000000001 [ 50.874398] RBP: 00007f6bddbbd000 R08: 00007f6bddbbc010 R09: 0000000000000000 [ 50.882364] R10: 00007f6bdddc71c0 R11: 0000000000000246 R12: 0000000000000001 [ 50.890330] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 t disabled at (0): [] copy_process+0x63c/0x1c80 # [ 49.130762] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 49.146129] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 49.159357] ---[ end trace 7d1a79d3f1134217 ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCEPTION.sh # Killed # [ 49.245591] lkdtm: Performing direct entry EXCEPTION # [ 49.257120] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 49.271082] #PF: supervisor write access in kernel mode # [ 49.276904] #PF: error_code(0x0002) - not-present page # [ 49.282638] PGD 0 P4D 0 # [ 49.285461] Oops: 0002 [#2] SMP PTI # [ 49.289351] CPU: 0 PID: 824 Comm: cat Tainted: G D W 5.10.128-cip11 #1 # [ 49.297901] Hardware name: Google Rammu[ 50.982036] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING s/Rammus, BIOS 09/04/2020 # [ 49.304707] RIP: 0010:lkdtm_EXC[ 50.992449] lkdtm: attempting bad read from page above current stack EPTION+0x5/0x20 # [ 49.309671] Code: 48 c7 c7 b8 01 cc af 8d [ 51.005785] BUG: stack guard page was hit at 0000000095a7b647 (stack is 0000000011735ae0..000000005b9b030b) [ 51.022855] kernel stack overflow (page fault): 0000 [#4] SMP PTI 70 01 89 35 01 1a 70 02 e8 26 99 61 00 0f 0b c3 66 66 2e 0f 1f 8[ 51.029659] CPU: 1 PID: 1082 Comm: cat Tainted: G D W 5.10.128-cip11 #1 [ 51.044518] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 4 00 00 00 00 00 66 90 0f 1f 44 00 00 04 25 00 00 00 00 00 [ 51.051324] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d [ 51.064147] Code: a4 fd ff 0f 1f 44 00 00 53 48 c7 c7 d0 05 cc af 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 f7 a3 fd ff 48 c7 c7 10 06 cc af <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 da a3 fd ff [ 51.085124] RSP: 0018:ffff9fa841927e50 EFLAGS: 00010246 [ 51.090957] RAX: 0000000000000038 RBX: ffff9fa841924000 RCX: 0000000000000000 [ 51.098939] RDX: 0000000000000000 RSI: ffff962c3ac9bf70 RDI: ffffffffafcc0610 [ 51.106907] RBP: ffffffffafcbfcdb R08: 0000000000000000 R09: 0000000000000000 [ 51.114865] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a [ 51.122831] R13: ffff9fa841927f10 R14: ffff9fa841927f10 R15: ffff962bc33d2000 [ 51.130798] FS: 00007f1c9b454580(0000) GS:ffff962c3ac80000(0000) knlGS:0000000000000000 [ 51.139831] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.146244] CR2: ffff9fa841928000 CR3: 0000000104cd6002 CR4: 00000000003706e0 [ 51.154210] Call Trace: [ 51.156942] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a 00 00 00 c3 66 66 2e 0f 1f 84 00 00 00 00 # [ 49.330649] RSP:[ 51.162774] direct_entry.cold+0x2c/0x38 [ 51.173363] full_proxy_write+0x56/0x80 0018:ffff9fa841537e60 EFLAGS: 00010282 # [ 49.336480] RAX: f[ 51.177643] vfs_write+0xea/0x390 [ 51.187548] ksys_write+0x68/0xe0 [ 51.191246] do_syscall_64+0x33/0x40 [ 51.195232] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 51.200870] RIP: 0033:0x7f1c9b37cf33 [ 51.204856] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 51.225833] RSP: 002b:00007fffabd82088 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 51.234276] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f1c9b37cf33 [ 51.242242] RDX: 000000000000001a RSI: 00007f1c9b26d000 RDI: 0000000000000001 [ 51.250209] RBP: 00007f1c9b26d000 R08: 00007f1c9b26c010 R09: 0000000000000000 [ 51.258175] R10: 00007f1c9b4771c0 R11: 0000000000000246 R12: 0000000000000001 [ 51.266143] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 fffffffaecb1b40 RBX: 0000000000000004 RCX: 0000000000000000 # [[ 51.274112] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 51.306745] ---[ end trace 7d1a79d3f113421a ]--- [ 51.311898] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 51.316265] 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 [ 51.337241] RSP: 0018:ffff9fa84138fe60 EFLAGS: 00010282 [ 51.343072] RAX: ffffffffaecb1ae0 RBX: 0000000000000001 RCX: 0000000000000000 [ 51.351039] RDX: 0000000000000000 RSI: ffff962c3ad1bf70 RDI: ffffffffaf8d9a70 [ 51.359003] RBP: ffffffffafd1b048 R08: 0000000000000001 R09: 0000000000000001 [ 51.366990] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 51.374956] R13: ffff9fa84138ff10 R14: ffff9fa84138ff10 R15: ffff962bc41d9000 [ 51.382941] FS: 00007f1c9b454580(0000) GS:ffff962c3ac80000(0000) knlGS:0000000000000000 [ 51.391993] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.398406] CR2: ffff9fa841928000 CR3: 0000000104cd6002 CR4: 00000000003706e0 49.344447] RDX: 0000000000000000 RSI: ffff962c3ac1bf70 RDI: ffffffffaf8d9aa0 # [ 49.352415] RBP: ffffffffafbf586f R08: 0000000000000000 R09: 0000000000000000 # [ 49.360382] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 49.368349] R13: ffff9fa841537f10 R14: ffff9fa841537f10 R15: ffff962bc3570000 # [ 49.376315] FS: 00007f5a0dcab580(0000) GS:ffff962c3ac00000(0000) knlGS:0000000000000000 # [ 49.385350] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 49.391764] CR2: 0000000000000000 CR3: 0000000102baa002 CR4: 00000000003706f0 # [ 49.399730] Call Trace: # [ 49.402456] direct_entry[ 51.465650] lkdtm: Performing direct entry UNSET_SMEP .cold+0x2c/0x38 # [ 49.406841] full_proxy_write+0x56/0x80 #[ 51.474173] lkdtm: trying to clear SMEP normally [ 49.411127] vfs_write+0xea/0x390 # [ 49.414825] ksys_wr[ 51.485546] ------------[ cut here ]------------ [ 51.496911] pinned CR4 bits changed: 0x100000!? ite+0x68/0xe0 # [ 49.418520] do_syscall_64+0x33/0x40 # [ [ 51.502001] WARNING: CPU: 1 PID: 1118 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x41/0x60 49.422499] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 49.4[ 51.518407] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 28130] RIP: 0033:0x7f5a0dbd3f33 # [ 49.432118] Code: 8b 15 61[ 51.551041] CPU: 1 PID: 1118 Comm: cat Tainted: G D W 5.10.128-cip11 #1 [ 51.565904] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 [ 51.572713] RIP: 0010:native_write_cr4+0x41/0x60 [ 51.584076] Code: 08 31 00 48 39 c2 75 25 48 85 f6 75 01 c3 80 3d 0a d8 c3 01 00 75 f6 48 c7 c7 d0 f7 bf af c6 05 fa d7 c3 01 01 e8 85 b7 e0 00 <0f> 0b c3 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 c7 eb ac 66 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00[ 51.605060] RSP: 0018:ffff9fa84197fe48 EFLAGS: 00010286 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ [ 51.617105] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 0000000000000000 [ 51.631286] RDX: ffff962c3acac660 RSI: ffff962c3ac9bf70 RDI: ffff962c3ac9bf70 [ 51.639255] RBP: ffffffffafcbfcf5 R08: 0000000000000000 R09: 0000000000000000 [ 51.647226] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b [ 51.655195] R13: ffff9fa84197ff10 R14: ffff9fa84197ff10 R15: ffff962bc2bd1000 [ 51.663157] FS: 00007f7eaa945580(0000) GS:ffff962c3ac80000(0000) knlGS:0000000000000000 49.453093] RSP: 002b:00007ffdeecd8a18 EFLAGS: 00000246 ORIG_RAX[ 51.672196] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 : 0000000000000001 # [ 49.461545] RAX: ffffffffffffffda RBX: [ 51.684827] CR2: 00007f7eaa75e000 CR3: 0000000104a82004 CR4: 00000000003706e0 000000000000000a RCX: 00007f5a0dbd3f33 # [ 49.469513] RDX: 00[ 51.699012] Call Trace: 0000000000000a RSI: 00007f5a0dac4000 RDI: 0000000000000001 # [ [ 51.707963] lkdtm_UNSET_SMEP.cold+0x1d/0x103 49.477479] RBP: 00007f5a0dac4000 R08: 00007f5a0dac3010 R09: 00[ 51.719044] direct_entry.cold+0x2c/0x38 00000000000000 # [ 49.485445] R10: 00007f5a0dcce1c0 R11: 0000[ 51.729637] full_proxy_write+0x56/0x80 000000000246 R12: 0000000000000001 # [ 49.493411] R13: 000000[ 51.740132] vfs_write+0xea/0x390 0000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 49[ 51.750046] ksys_write+0x68/0xe0 .501379] Modules linked in: fuse ip_tables cros_ec_sensors cros_[ 51.759967] do_syscall_64+0x33/0x40 ec_sensors_core industrialio_triggered_buffer kfifo_buf industri[ 51.770169] entry_SYSCALL_64_after_hwframe+0x44/0xa9 alio cros_ec_sensorhub cros_ec_chardev cros_ec_lightbar cros_ec_[ 51.782021] RIP: 0033:0x7f7eaa86df33 sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbp[ 51.792226] 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 d_notify # [ 49.527810] CR2: 0000000000000000 # [ 49.53150[ 51.819421] RSP: 002b:00007fffb91561f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 5] ---[ end trace 7d1a79d3f1134218 ]--- # [ 49.536656] RIP: 0[ 51.834094] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f7eaa86df33 010:lkdtm_BUG+0x5/0x10 # [ 49.541030] Code: 5b a5 ff 48 c7 c0[ 51.848281] RDX: 000000000000000b RSI: 00007f7eaa75e000 RDI: 0000000000000001 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff [ 51.862467] RBP: 00007f7eaa75e000 R08: 00007f7eaa75d010 R09: 0000000000000000 [ 51.876652] R10: 00007f7eaa9681c0 R11: 0000000000000246 R12: 0000000000000001 eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84[ 51.884623] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 00 00 00 00 00 0f 1f 44 00 00 83 05 30 1a 70 02 # [ 49.56200[ 51.898808] irq event stamp: 0 8] RSP: 0018:ffff9fa84138fe60 EFLAGS: 00010282 # [ 49.567839][ 51.908429] hardirqs last enabled at (0): [<0000000000000000>] 0x0 RAX: ffffffffaecb1ae0 RBX: 0000000000000001 RCX: 00000000000000[ 51.921645] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 00 # [ 49.575806] RDX: 0000000000000000 RSI: ffff962c3ad1bf70[ 51.936996] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 RDI: ffffffffaf8d9a70 # [ 49.583772] RBP: ffffffffafd1b048 R[ 51.952345] softirqs last disabled at (0): [<0000000000000000>] 0x0 08: 0000000000000001 R09: 0000000000000001 # [ 49.591737] R10[ 51.965561] ---[ end trace 7d1a79d3f113421b ]--- : 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 51.976943] lkdtm: ok: SMEP did not get cleared # [ 49.599704] R13: ffff9fa84138ff10 R14: ffff9fa84138ff10 R15[ 51.988215] lkdtm: trying to clear SMEP with call gadget : ffff962bc41d9000 # [ 49.607669] FS: 00007f5a0dcab580(0000)[ 52.000362] lkdtm: ok: SMEP removal was reverted GS:ffff962c3ac00000(0000) knlGS:0000000000000000 # [ 49.616705] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 49.623119] CR2: 0000000000000000 CR3: 0000000102baa002 CR4: 00000000003706f0 # [ 49.631089] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 49.641000] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 824, name: cat # [ 49.649357] INFO: lockdep is turned off. # [ 49.653733] irq event stamp: 0 # [ 49.657137] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 49.664135] hardirqs last disabled at (0): [] copy_process+0x63c[ 52.071665] lkdtm: Performing direct entry DOUBLE_FAULT /0x1c80 # [ 49.673268] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 49.682393] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 49.689390] CPU: 0 PID: 824 Comm: cat Tainted: G D W 5.10.128-cip11 #1 # [ 49.697940] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 49.704740] Call Trace: # [ 49.707467] dump_stack+0x77/0x97 # [ 49.711165] ___might_sleep.cold+0xa6/0xb6 # [ 49.715735] exit_signals+0x1c/0x2d0 # [ 49.719714] do_exit+0xd5/0xb00 # [ 49.723215] ? ksys_write+0x68/0xe0 # [ 49.727106] rewind_stack_do_exit+0x17/0x20 # [ 49.731771] RIP: 0033:0x7f5a0dbd3f33 # [ 49.735757] Code: 8b 15[ 52.151091] lkdtm: Performing direct entry CORRUPT_PAC [ 52.159021] lkdtm: XFAIL: this test is arm64-only 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 # [ 49.756736] RSP: 002b:00007ffdeecd8a18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 49.765188] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f5a0dbd3f33 # [ 49.773154] RDX: 000000000000000a RSI: 00007f5a0dac4000 RDI: 0000000000000001 # [ 49.781120] RBP: 00007f5a0dac4000 R08: 00007f5a0dac3010 R09: 0000000000000000 # [ 49.789086] R10: 00007f5a0dcce1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 49.797054] R13: 000[ 52.220222] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE 0000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXC[ 52.233689] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS EPTION: 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 # [ 50.037583] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 50.047443] lkdtm: attempting good list addition # [ 50.058829] lkdtm: attempting corrupted list addition # [ 50.070705] lkdtm: list_add() corruption not detected! # CORRUPT_LIST_ADD: missing 'list_add corruption': [FAIL] not ok 10 selftests: lkdtm: CORRUPT_LIST_ADD.sh # exit=1 # selftests: lkdtm: CORRUPT_LIST_DEL.sh # [ 50.195687] lkdtm:[ 52.353046] lkdtm: Performing direct entry READ_AFTER_FREE Performing direct entry CORRUPT_LIST_DEL # [ 50.206958] lkdt[ 52.359275] lkdtm: Value in memory before free: 12345678 m: attempting good list removal # [ 50.218228] lkdtm: attempt[ 52.371453] lkdtm: Attempting bad read from freed memory ing corrupted list removal # [ 50.230027] lkdtm: list_del() c[ 52.383576] lkdtm: Memory was not poisoned orruption not detected! # CORRUPT_LIST_DEL: missing 'list_del corruption': [FAIL] not ok 11 selftests: lkdtm: CORRUPT_LIST_DEL.sh # exit=1 # selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh # Segmentation fault # [ 50.313757] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 50.323576] lkdtm: attempting bad read from page below current stack # [ 50.336894] BUG: stack guard page was hit at 00000000dcd3ada9 (stack is 00000000a7750ff1..0000000098d1efc8) # [ 50.353994] kernel stack overflow (page fault): 0000 [#3] SMP PTI # [ 50.360797] CPU: 1 PID: 1049 Comm: cat Tainted: G D W 5.10.128-cip11 #1 # [ 50.369445] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 50.376250] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a # [ 50.382762] Code: 41 5c c3 0f 1f 44 00 00 53 48 c7 c7 58 05 cc af 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 31 a4 fd ff 48 c7 c7 98 05 cc af <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 17 a4 fd ff 0f 1f 44 # [ 50.409951] RSP: 0018[ 52.488370] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE [ 52.500508] lkdtm: Value in memory before free: 12345678 [ 52.506449] lkdtm: Attempting to read from freed memory [ 52.512285] lkdtm: Buddy page was not poisoned :ffff9fa84189fe50 EFLAGS: 00010246 # [ 50.415783] RAX: 0000000000000038 RBX: ffff9fa84189c000 RCX: 0000000000000000 # [ 50.423750] RDX: 0000000000000000 RSI: ffff962c3ac9bf70 RDI: ffffffffafcc0598 # [ 50.431718] RBP: ffffffffafcbfcc2 R08: 0000000000000000 R09: 0000000000000000 # [ 50.439685] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 # [ 50.447650] R13: ffff9fa84189ff10 R14: ffff9fa84189ff10 R15: ffff962bc59e3000 # [ 50.455618] FS: 00007f6bddda4580(0000) GS:ffff962c3ac80000(0000) knlGS:0000000000000000 # [ 50.464653] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 50.471067] CR2:[ 52.576170] lkdtm: Performing direct entry SLAB_FREE_DOUBLE ffff9fa84189bfff CR3: 0000000104ee8005 CR4: 00000000003706e0 #[ 52.585675] lkdtm: Attempting double slab free ... [ 50.479033] Call Trace: # [ 50.481758] ? lkdtm_CORRUPT_LIST_DEL+0xdc/0xdc # [ 50.486805] direct_entry.cold+0x2c/0x38 # [ 50.491181] full_proxy_write+0x56/0x80 # [ 50.495463] vfs_write+0xea/0x390 # [ 50.499158] ksys_write+0x68/0xe0 # [ 50.502855] do_syscall_64+0x33/0x40 # [ 50.506833] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 50.512471] RIP: 0033:0x7f6bddcccf33 # [ 50.516455] 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 # [ 50.537430] RSP: 002b:00007ffe05372df8 EFLAGS: 00000246 ORIG_RAX: 0000000000000[ 52.665483] lkdtm: Performing direct entry SLAB_FREE_CROSS 001 # [ 50.545882] RAX: ffffffffffffffda RBX: 000000000000001[ 52.671753] lkdtm: Attempting cross-cache slab free ... 9 RCX: 00007f6bddcccf33 # [ 50.553848] RDX: 0000000000000019 RSI: 00007f6bddbbd000 RDI: 0000000000000001 # [ 50.561815] RBP: 00007f6bddbbd000 R08: 00007f6bddbbc010 R09: 0000000000000000 # [ 50.569781] R10: 00007f6bdddc71c0 R11: 0000000000000246 R12: 0000000000000001 # [ 50.577748] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 50.585716] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 50.618349] ---[ end trace 7d1a79d3f1134219 ]--- # [ 50.623505] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 50.627881] Code: 5b a5 ff[ 52.754682] lkdtm: Performing direct entry SLAB_FREE_PAGE [ 52.764405] lkdtm: Attempting non-Slab slab free ... 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 # [ 50.648850] RSP: 0018:ffff9fa84138fe60 EFLAGS: 00010282 # [ 50.654674] RAX: ffffffffaecb1ae0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 50.662639] RDX: 0000000000000000 RSI: ffff962c3ad1bf70 RDI: ffffffffaf8d9a70 # [ 50.670605] RBP: ffffffffafd1b048 R08: 0000000000000001 R09: 0000000000000001 # [ 50.678571] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 50.686536] R13: ffff9fa84138ff10 R14: ffff9fa84138ff10 R15: ffff962bc41d9000 # [ 50.694502] FS: 00007f6bddda4580(0000) GS:ffff962c3ac80000(0000) knlGS:0000000000000000 # [ 50.703538] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 50.709951] CR2: ffff9fa84189bfff CR3: 0000000104ee8005 CR4: 00000000003706e0 # [ 50.717942] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 50.727851] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1049, name: cat # [ 50.736302] INFO: lockdep is turned off. # [ 50.740675] irq event stamp: 0 # [ 50.744079] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 50.751079] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 50.760213] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 50.769345] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 50.776339] CPU: 1 PID: 1049 Comm: cat Tainted: G D W 5.10.128-cip11 #1 # [ 50.784991] Hardware name: Google R[ 52.927263] lkdtm: Performing direct entry EXEC_DATA ammus/Rammus, BIOS 09/04/2020 # [ 50.791794] Call Trace: # [ 52.937108] lkdtm: attempting ok execution at ffffffffaecb1eb0 [ 50.794521] dump_stack+0x77/0x97 # [ 50.798217] ___might[ 52.949842] lkdtm: attempting bad execution at ffffffffb13b3560 _sleep.cold+0xa6/0xb6 # [ 50.809002] exit_signals+0x1c/0x2d0[ 52.962668] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 52.977224] BUG: unable to handle page fault for address: ffffffffb13b3560 [ 52.984899] #PF: supervisor instruction fetch in kernel mode [ 52.991216] #PF: error_code(0x0011) - permissions violation [ 52.997435] PGD 1e629067 P4D 1e629067 PUD 1e62a063 PMD 800000001fa000e3 [ 53.004910] Oops: 0011 [#5] SMP PTI [ 53.008824] CPU: 0 PID: 1625 Comm: cat Tainted: G D W 5.10.128-cip11 #1 [ 53.017471] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 53.024277] RIP: 0010:data_area+0x0/0x40 [ 53.028659] Code: ff ff 00 ba ba c0 2b 96 ff ff 00 b9 ba c0 2b 96 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 [ 53.049628] RSP: 0018:ffff9fa842187e48 EFLAGS: 00010246 [ 53.055459] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 53.063425] RDX: 0000000000000000 RSI: ffff962c3ac1bf70 RDI: ffff962c3ac1bf70 [ 53.071390] RBP: ffffffffb13b3560 R08: 0000000000000000 R09: 0000000000000000 [ 53.079358] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 53.087324] R13: ffff9fa842187f10 R14: ffff9fa842187f10 R15: ffff962bc3497000 [ 53.095291] FS: 00007ff7d1af1580(0000) GS:ffff962c3ac00000(0000) knlGS:0000000000000000 [ 53.104328] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.110742] CR2: ffffffffb13b3560 CR3: 0000000102b46006 CR4: 00000000003706f0 [ 53.118708] Call Trace: [ 53.121435] ? execute_location+0x48/0x56 [ 53.125931] ? direct_entry.cold+0x2c/0x38 [ 53.130509] ? full_proxy_write+0x56/0x80 [ 53.134985] ? vfs_write+0xea/0x390 [ 53.138882] ? ksys_write+0x68/0xe0 [ 53.142772] ? do_syscall_64+0x33/0x40 [ 53.146953] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 53.152785] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 53.179219] CR2: ffffffffb13b3560 [ 53.182934] ---[ end trace 7d1a79d3f113421c ]--- [ 53.188089] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 53.192465] 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 [ 53.213444] RSP: 0018:ffff9fa84138fe60 EFLAGS: 00010282 [ 53.219275] RAX: ffffffffaecb1ae0 RBX: 0000000000000001 RCX: 0000000000000000 [ 53.227243] RDX: 0000000000000000 RSI: ffff962c3ad1bf70 RDI: ffffffffaf8d9a70 [ 53.235210] RBP: ffffffffafd1b048 R08: 0000000000000001 R09: 0000000000000001 [ 53.243177] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 53.251144] R13: ffff9fa84138ff10 R14: ffff9fa84138ff10 R15: ffff962bc41d9000 [ 53.259111] FS: 00007ff7d1af1580(0000) GS:ffff962c3ac00000(0000) knlGS:0000000000000000 [ 53.268145] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.274557] CR2: ffffffffb13b3560 CR3: 0000000102b46006 CR4: 00000000003706f0 [ 53.282526] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 53.292433] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1625, name: cat [ 53.300885] INFO: lockdep is turned off. [ 53.305259] irq event stamp: 0 [ 53.308664] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 53.315661] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 53.324786] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 53.333938] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 53.340939] CPU: 0 PID: 1625 Comm: cat Tainted: G D W 5.10.128-cip11 #1 [ 53.349585] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 53.356386] Call Trace: [ 53.359113] dump_stack+0x77/0x97 [ 53.362809] ___might_sleep.cold+0xa6/0xb6 [ 53.367381] exit_signals+0x1c/0x2d0 [ 53.371368] do_exit+0xd5/0xb00 [ 53.374868] ? ksys_write+0x68/0xe0 [ 53.378758] rewind_stack_do_exit+0x17/0x20 [ 53.383424] RIP: 0033:0x7ff7d1a19f33 [ 53.387411] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 53.408390] RSP: 002b:00007ffe3ccbf698 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 53.416834] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007ff7d1a19f33 [ 53.424800] RDX: 000000000000000a RSI: 00007ff7d190a000 RDI: 0000000000000001 [ 53.432768] RBP: 00007ff7d190a000 R08: 00007ff7d1909010 R09: 0000000000000000 [ 53.440735] R10: 00007ff7d1b141c0 R11: 0000000000000246 R12: 0000000000000001 [ 53.448704] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 50.812995] do_exit+0xd5/0xb00 # [ 50.816497] ? ksys_write+0x68/0xe0 # [ 50.820387] rewind_stack_do_exit+0x17/0x20 # [ 50.825053] RIP: 0033:0x7f6bddcccf33 # [ 50.829038] 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 # [ 50.850015] RSP: 002b:00007ffe05372df8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 50.858467] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f6bddcccf33 # [ 50.866432] RDX: 0000000000000019 RSI: 00007f6bddbbd000 RDI: 0000000000000001 # [ 50.874398] RBP: 00007f6bddbbd000 R08: 00007f6bddbbc010 R09: 0000000000000000 # [ 50.882364] R10: 00007f6bdddc71c0 R11: 0000000000000246 R12: 0000000000000001 # [ 50.890330] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # STACK_GUARD_PAGE_LEADING: saw 'call trace:': ok ok 12 selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh # selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # Segmentation fault # [ 50.982036] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 50.992449] lkdtm: attempting bad read from page above current stack # [ 51.005785] BUG: stack guard page was hit at 0000000095a7b647 (stack is 0000000011735ae0..000000005b9b030b) # [ 51.022855] kernel stack overflow (page fault): 0000 [#4] SMP PTI # [ 51.029659] CPU: 1 PID: 1082 Comm: cat Tainted: G [ 53.594539] lkdtm: Performing direct entry EXEC_STACK [ 53.605282] lkdtm: attempting ok execution at ffffffffaecb1eb0 [ 53.611813] lkdtm: attempting bad execution at ffff9fa8421f7e18 [ 53.618436] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 53.626798] BUG: unable to handle page fault for address: ffff9fa8421f7e18 [ 53.634476] #PF: supervisor instruction fetch in kernel mode [ 53.640794] #PF: error_code(0x0011) - permissions violation [ 53.647014] PGD 100000067 P4D 100000067 PUD 100210067 PMD 106577067 PTE 80000001026bb063 [ 53.656052] Oops: 0011 [#6] SMP PTI [ 53.659943] CPU: 3 PID: 1661 Comm: cat Tainted: G D W 5.10.128-cip11 #1 [ 53.668580] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 53.675383] RIP: 0010:0xffff9fa8421f7e18 [ 53.679759] Code: 00 00 18 7e 1f 42 a8 9f ff ff ad 6d 2f af ff ff ff ff 20 00 00 00 00 00 00 00 1e fe cb af ff ff ff ff d9 6e 2f af ff ff ff ff <0f> 1f 44 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 [ 53.700728] RSP: 0018:ffff9fa8421f7df8 EFLAGS: 00010246 [ 53.706559] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 53.714526] RDX: 0000000000000000 RSI: ffff962c3ad9bf70 RDI: ffff962c3ad9bf70 [ 53.722492] RBP: ffff9fa8421f7e18 R08: 0000000000000000 R09: 0000000000000000 [ 53.730457] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b [ 53.738425] R13: ffff9fa8421f7f10 R14: ffff9fa8421f7f10 R15: ffff962bc353a000 [ 53.746392] FS: 00007f2ce4e34580(0000) GS:ffff962c3ad80000(0000) knlGS:0000000000000000 [ 53.755426] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.761839] CR2: ffff9fa8421f7e18 CR3: 0000000104fea003 CR4: 00000000003706e0 [ 53.769805] Call Trace: [ 53.772531] ? execute_location+0x48/0x56 [ 53.777005] ? lkdtm_EXEC_STACK+0x26/0x40 [ 53.781467] ? direct_entry.cold+0x2c/0x38 [ 53.786038] ? full_proxy_write+0x56/0x80 [ 53.790512] ? vfs_write+0xea/0x390 [ 53.794401] ? ksys_write+0x68/0xe0 [ 53.798290] ? do_syscall_64+0x33/0x40 [ 53.802470] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 53.808303] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify D W 5.10.128-cip11 #1 # [ 51.044518] Hardware name:[ 53.834750] CR2: ffff9fa8421f7e18 [ 53.844657] ---[ end trace 7d1a79d3f113421d ]--- [ 53.849809] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 53.854183] 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 [ 53.875159] RSP: 0018:ffff9fa84138fe60 EFLAGS: 00010282 [ 53.880992] RAX: ffffffffaecb1ae0 RBX: 0000000000000001 RCX: 0000000000000000 [ 53.888959] RDX: 0000000000000000 RSI: ffff962c3ad1bf70 RDI: ffffffffaf8d9a70 [ 53.896938] RBP: ffffffffafd1b048 R08: 0000000000000001 R09: 0000000000000001 [ 53.904904] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 53.912872] R13: ffff9fa84138ff10 R14: ffff9fa84138ff10 R15: ffff962bc41d9000 [ 53.920838] FS: 00007f2ce4e34580(0000) GS:ffff962c3ad80000(0000) knlGS:0000000000000000 [ 53.929873] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.936285] CR2: ffff9fa8421f7e18 CR3: 0000000104fea003 CR4: 00000000003706e0 Google Rammus/Rammus, BIOS 09/04/2020 # [ 51.051324] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d # [ 51.064147] Code: a4 fd ff 0f 1f 44 00 00 53 48 c7 c7 d0 05 cc af 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 f7 a3 fd ff 48 c7 c7 10 06 cc af <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 da a3 fd ff # [ 51.085124] RSP: 0018:ffff9fa841927e50 EFLAGS: 00010246 # [ 51.090957] RAX: 0000000000000038 RBX: ffff9fa841924000 RCX: 0000000000000000 # [ 51.098939] RDX: 0000000000000000 RSI: ffff962c3ac9bf70 RDI: ffffffffafcc0610 # [ 51.106907] RBP: ffffffffafcbfcdb R08: 0000000000000000 R09: 0000000000000000 # [ 51.114865] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a # [ 51.122831] R13: ffff9fa841927f10 R14: ffff9fa841927f10 R15: ffff962bc33d2000 # [ 51.130798] FS: 00007f1c9b454580(0000) GS:ffff962c3ac80000(0000) knlGS:0000000000000000 # [ 51.139831] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 51.146244] CR2: ffff9fa841928000 CR3: 000000[ 54.041334] lkdtm: Performing direct entry EXEC_KMALLOC 0104cd6002 CR4: 00000000003706e0 # [ 51.154210] Call Trace: [ 54.049601] lkdtm: attempting ok execution at ffffffffaecb1eb0 # [ 51.156942] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a # [ 54.062315] lkdtm: attempting bad execution at ffff962bc3311c80 [ 51.162774] direct_entry.cold+0x2c/0x38 # [ 51.173363] f[ 54.075167] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 54.089696] BUG: unable to handle page fault for address: ffff962bc3311c80 [ 54.097371] #PF: supervisor instruction fetch in kernel mode [ 54.103688] #PF: error_code(0x0011) - permissions violation [ 54.109907] PGD 1fc01067 P4D 1fc01067 PUD 10084b063 PMD 102a32063 PTE 8000000103311163 [ 54.118773] Oops: 0011 [#7] SMP PTI [ 54.122662] CPU: 0 PID: 1697 Comm: cat Tainted: G D W 5.10.128-cip11 #1 [ 54.131307] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 54.138110] RIP: 0010:0xffff962bc3311c80 [ 54.142483] Code: 00 00 02 00 00 00 00 00 00 00 80 1a 31 c3 2b 96 ff ff 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 bb b6 4f ae 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 [ 54.163459] RSP: 0018:ffff9fa84229fe38 EFLAGS: 00010246 [ 54.169280] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 54.177246] RDX: 0000000000000000 RSI: ffff962c3ac1bf70 RDI: ffff962c3ac1bf70 [ 54.185212] RBP: ffff962bc3311c80 R08: 0000000000000000 R09: 0000000000000000 [ 54.193178] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 54.201144] R13: ffff9fa84229ff10 R14: ffff9fa84229ff10 R15: ffff962bc3e07000 [ 54.209110] FS: 00007f8016c0b580(0000) GS:ffff962c3ac00000(0000) knlGS:0000000000000000 [ 54.218144] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.224558] CR2: ffff962bc3311c80 CR3: 0000000104172002 CR4: 00000000003706f0 [ 54.232524] Call Trace: [ 54.235251] ? execute_location+0x48/0x56 [ 54.239730] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 [ 54.244396] ? direct_entry.cold+0x2c/0x38 [ 54.248980] ? full_proxy_write+0x56/0x80 [ 54.253461] ? vfs_write+0xea/0x390 [ 54.257351] ? ksys_write+0x68/0xe0 [ 54.261241] ? do_syscall_64+0x33/0x40 [ 54.265422] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 54.271255] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 54.297685] CR2: ffff962bc3311c80 [ 54.301372] ---[ end trace 7d1a79d3f113421e ]--- [ 54.306523] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 54.310899] 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 [ 54.331876] RSP: 0018:ffff9fa84138fe60 EFLAGS: 00010282 [ 54.337707] RAX: ffffffffaecb1ae0 RBX: 0000000000000001 RCX: 0000000000000000 [ 54.345674] RDX: 0000000000000000 RSI: ffff962c3ad1bf70 RDI: ffffffffaf8d9a70 [ 54.353638] RBP: ffffffffafd1b048 R08: 0000000000000001 R09: 0000000000000001 [ 54.361606] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 54.369572] R13: ffff9fa84138ff10 R14: ffff9fa84138ff10 R15: ffff962bc41d9000 [ 54.377538] FS: 00007f8016c0b580(0000) GS:ffff962c3ac00000(0000) knlGS:0000000000000000 [ 54.386572] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.392986] CR2: ffff962bc3311c80 CR3: 0000000104172002 CR4: 00000000003706f0 [ 54.400952] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 54.410859] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1697, name: cat [ 54.419310] INFO: lockdep is turned off. [ 54.423685] irq event stamp: 0 [ 54.427088] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 54.434087] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 54.443220] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 54.452352] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 54.459348] CPU: 0 PID: 1697 Comm: cat Tainted: G D W 5.10.128-cip11 #1 [ 54.467986] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 54.474788] Call Trace: [ 54.477516] dump_stack+0x77/0x97 [ 54.481216] ___might_sleep.cold+0xa6/0xb6 [ 54.485787] exit_signals+0x1c/0x2d0 [ 54.489775] do_exit+0xd5/0xb00 [ 54.493268] ? ksys_write+0x68/0xe0 [ 54.497159] rewind_stack_do_exit+0x17/0x20 [ 54.501816] RIP: 0033:0x7f8016b33f33 [ 54.505802] 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 [ 54.526781] RSP: 002b:00007ffc12af6d88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 54.535234] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f8016b33f33 [ 54.543200] RDX: 000000000000000d RSI: 00007f8016a24000 RDI: 0000000000000001 [ 54.551166] RBP: 00007f8016a24000 R08: 00007f8016a23010 R09: 0000000000000000 [ 54.559133] R10: 00007f8016c2e1c0 R11: 0000000000000246 R12: 0000000000000001 [ 54.567099] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ull_proxy_write+0x56/0x80 # [ 51.177643] vfs_write+0xea/0x390 # [ 51.187548] ksys_write+0x68/0xe0 # [ 51.191246] do_syscall_64+0x33/0x40 # [ 51.195232] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 51.200870] RIP: 0033:0x7f1c9b37cf33 # [ 51.204856] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 51.225833] RSP: 002b:00007fffabd82088 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 51.234276] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f1c9b37cf33 # [ 51.242242] RDX: 000000000000001a RSI: 00007f1c9b26d000 RDI: 0000000000000001 # [ 51.250209] RBP: 00007f1c9b26d000 R08: 00007f1c9b26c010 R09: 0000000000000000 # [ 51.258175] R10: 00007f1c9b4771c0 R11: 0000000000000246 R12: 0000000000000001 [ 54.660577] lkdtm: Performing direct entry EXEC_VMALLOC [ 54.667938] lkdtm: attempting ok execution at ffffffffaecb1eb0 # [ 51.266143] R13: 0000000000000001 R14: 0000000000020000 R15[ 54.674468] lkdtm: attempting bad execution at ffff9fa8406bf000 [ 54.687290] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 54.695676] BUG: unable to handle page fault for address: ffff9fa8406bf000 [ 54.703351] #PF: supervisor instruction fetch in kernel mode [ 54.709668] #PF: error_code(0x0011) - permissions violation [ 54.715887] PGD 100000067 P4D 100000067 PUD 100210067 PMD 105a5e067 PTE 80000001059e0063 [ 54.724938] Oops: 0011 [#8] SMP PTI [ 54.728827] CPU: 3 PID: 1733 Comm: cat Tainted: G D W 5.10.128-cip11 #1 [ 54.737475] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 54.744278] RIP: 0010:0xffff9fa8406bf000 [ 54.748646] Code: Unable to access opcode bytes at RIP 0xffff9fa8406befd6. [ 54.756312] RSP: 0018:ffff9fa842337e38 EFLAGS: 00010246 [ 54.762143] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 54.770110] RDX: 0000000000000000 RSI: ffff962c3ad9bf70 RDI: ffff962c3ad9bf70 [ 54.778077] RBP: ffff9fa8406bf000 R08: 0000000000000000 R09: 0000000000000000 [ 54.786043] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 54.794010] R13: ffff9fa842337f10 R14: ffff9fa842337f10 R15: ffff962bc59e0000 [ 54.801992] FS: 00007fe39e908580(0000) GS:ffff962c3ad80000(0000) knlGS:0000000000000000 [ 54.811025] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.817438] CR2: ffff9fa8406befd6 CR3: 0000000105b1a006 CR4: 00000000003706e0 [ 54.825404] Call Trace: [ 54.828132] ? execute_location+0x48/0x56 [ 54.832605] ? lkdtm_EXEC_VMALLOC+0x20/0x30 [ 54.837271] ? direct_entry.cold+0x2c/0x38 [ 54.841842] ? full_proxy_write+0x56/0x80 [ 54.846306] ? vfs_write+0xea/0x390 [ 54.850187] ? ksys_write+0x68/0xe0 [ 54.854078] ? do_syscall_64+0x33/0x40 [ 54.858251] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 54.864083] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify : 0000000000020000 # [ 51.274112] Modules linked in: fuse ip_[ 54.890524] CR2: ffff9fa8406bf000 [ 54.900432] ---[ end trace 7d1a79d3f113421f ]--- [ 54.905575] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 54.909952] 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 [ 54.930938] RSP: 0018:ffff9fa84138fe60 EFLAGS: 00010282 [ 54.936771] RAX: ffffffffaecb1ae0 RBX: 0000000000000001 RCX: 0000000000000000 [ 54.944736] RDX: 0000000000000000 RSI: ffff962c3ad1bf70 RDI: ffffffffaf8d9a70 [ 54.952704] RBP: ffffffffafd1b048 R08: 0000000000000001 R09: 0000000000000001 [ 54.960671] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 54.968638] R13: ffff9fa84138ff10 R14: ffff9fa84138ff10 R15: ffff962bc41d9000 [ 54.976605] FS: 00007fe39e908580(0000) GS:ffff962c3ad80000(0000) knlGS:0000000000000000 [ 54.985641] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.992055] CR2: ffff9fa8406befd6 CR3: 0000000105b1a006 CR4: 00000000003706e0 tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 51.306745] ---[ end trace 7d1a79d3f113421a ]--- # [ 51.311898] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 51.316265] 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 # [ 51.337241] RSP: 0018:ffff9fa84138fe60 EFLAGS: 00010282 # [ 51.343072] RAX: ffffffffaecb1ae0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 51.351039] RDX: 0000000000000000 RSI: ffff962c3ad1bf70 RDI: ffffffffaf8d9a70 # [ 51.359003] RBP: ffffffffafd1b048 R08: 0000000000000001 R09: 0000000000000001 # [ 51.366990] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 51.374956] R13: ffff9fa84138ff10 R14: ffff9fa84138ff10 R15: ffff962bc41d9000 # [ 51.382941] FS: 00007f1c9b454580(0000) GS:ffff962c3ac80000(0000) knlGS:0000000000000000 # [ 51.391993] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 51.398406] CR2: ffff9fa841928000 CR3: 0000000104cd6002 CR4: 00000000003706e0 # STACK_GUARD_PAGE_TRAILING: saw 'call trace:': ok ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # selftests: lkdtm: UNSET_SMEP.sh # [ 51.465650] lkdtm: Performing direct entry UNSET_SMEP # [ 51.474173] lkdtm: trying to clear SMEP normally # [ 51.485546] ------------[ cut here ]------------ # [ 51.496911] pinned CR4 bits changed: 0x100000!? # [ 51.502001] WARNING: CPU: 1 PID: 1118 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x41/0x60 # [ 51.518407] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs x86_pkg_tem[ 55.187637] lkdtm: Performing direct entry EXEC_RODATA p_thermal cros_ec_dev cros_usbpd_notify # [ 51.551041] CPU: 1[ 55.198538] lkdtm: attempting ok execution at ffffffffaecb1eb0 PID: 1118 Comm: cat Tainted: G D W 5.10.128-cip11 [ 55.211260] lkdtm: attempting bad execution at ffffffffaf8d9f00 #1 # [ 51.565904] Hardware name: Google Rammus/Rammus, BIOS [ 55.224087] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 55.238655] BUG: unable to handle page fault for address: ffffffffaf8d9f00 [ 55.246331] #PF: supervisor instruction fetch in kernel mode [ 55.252646] #PF: error_code(0x0011) - permissions violation [ 55.258866] PGD 1e629067 P4D 1e629067 PUD 1e62a063 PMD 800000001e0000e1 [ 55.266351] Oops: 0011 [#9] SMP PTI [ 55.270240] CPU: 1 PID: 1769 Comm: cat Tainted: G D W 5.10.128-cip11 #1 [ 55.278885] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 55.285689] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 09/04/2020 # [ 51.572713] RIP: 0010:native_write_cr4+0x41/0x6[ 55.291425] Code: ff ff d9 82 2f af ff ff ff ff 6a 00 cc af ff ff ff ff 8f 6a 2f af ff ff ff ff 55 aa 55 aa 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 54 68 69 73 20 69 [ 55.318614] RSP: 0018:ffff9fa8423dfe48 EFLAGS: 00010246 [ 55.324436] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 55.332403] RDX: 0000000000000000 RSI: ffff962c3ac9bf70 RDI: ffff962c3ac9bf70 [ 55.340369] RBP: ffffffffaf8d9f00 R08: 0000000000000000 R09: 0000000000000000 [ 55.348336] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 55.356303] R13: ffff9fa8423dff10 R14: ffff9fa8423dff10 R15: ffff962bc34d6000 [ 55.364268] FS: 00007f6056622580(0000) GS:ffff962c3ac80000(0000) knlGS:0000000000000000 [ 55.373302] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.379715] CR2: ffffffffaf8d9f00 CR3: 000000010277a004 CR4: 00000000003706e0 [ 55.387682] Call Trace: [ 55.390409] ? execute_location+0x48/0x56 0 # [ 51.584076] Code: 08 31 00 48 39 c2 75 25 48 85 f6 75 01[ 55.394884] ? direct_entry.cold+0x2c/0x38 [ 55.405665] ? full_proxy_write+0x56/0x80 c3 80 3d 0a d8 c3 01 00 75 f6 48 c7 c7 d0 f7 bf af c6 05 fa d7 [ 55.410141] ? vfs_write+0xea/0x390 [ 55.420243] ? ksys_write+0x68/0xe0 [ 55.424134] ? do_syscall_64+0x33/0x40 [ 55.428315] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 c3 01 01 e8 85 b7 e0 00 <0f> 0b c3 48 89 d6 48 81 e7 ff f7 ce ff[ 55.434139] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 55.466769] CR2: ffffffffaf8d9f00 [ 55.470465] ---[ end trace 7d1a79d3f1134220 ]--- [ 55.475618] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 55.479989] 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 [ 55.500963] RSP: 0018:ffff9fa84138fe60 EFLAGS: 00010282 [ 55.506816] RAX: ffffffffaecb1ae0 RBX: 0000000000000001 RCX: 0000000000000000 [ 55.514784] RDX: 0000000000000000 RSI: ffff962c3ad1bf70 RDI: ffffffffaf8d9a70 [ 55.522752] RBP: ffffffffafd1b048 R08: 0000000000000001 R09: 0000000000000001 [ 55.530718] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 55.538685] R13: ffff9fa84138ff10 R14: ffff9fa84138ff10 R15: ffff962bc41d9000 [ 55.546652] FS: 00007f6056622580(0000) GS:ffff962c3ac80000(0000) knlGS:0000000000000000 [ 55.555685] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.562098] CR2: ffffffffaf8d9f00 CR3: 000000010277a004 CR4: 00000000003706e0 [ 55.570064] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 55.579986] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1769, name: cat [ 55.588436] INFO: lockdep is turned off. [ 55.592811] irq event stamp: 0 [ 55.596216] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 55.603216] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 55.612354] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 48 31 c6 48 09 c7 eb ac 66 # [ 51.605060] RSP: 0018:ffff9fa8[ 55.621488] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 55.634697] CPU: 1 PID: 1769 Comm: cat Tainted: G D W 5.10.128-cip11 #1 [ 55.643333] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 55.650134] Call Trace: [ 55.652862] dump_stack+0x77/0x97 [ 55.656560] ___might_sleep.cold+0xa6/0xb6 [ 55.661129] exit_signals+0x1c/0x2d0 [ 55.665116] do_exit+0xd5/0xb00 [ 55.668610] ? ksys_write+0x68/0xe0 [ 55.672491] rewind_stack_do_exit+0x17/0x20 [ 55.677156] RIP: 0033:0x7f605654af33 [ 55.681142] 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 [ 55.702119] RSP: 002b:00007fff2d125248 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 55.710572] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f605654af33 [ 55.718540] RDX: 000000000000000c RSI: 00007f605643b000 RDI: 0000000000000001 [ 55.726506] RBP: 00007f605643b000 R08: 00007f605643a010 R09: 0000000000000000 [ 55.734473] R10: 00007f60566451c0 R11: 0000000000000246 R12: 0000000000000001 [ 55.742440] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 4197fe48 EFLAGS: 00010286 # [ 51.617105] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 0000000000000000 # [ 51.631286] RDX: ffff962c3acac660 RSI: ffff962c3ac9bf70 RDI: ffff962c3ac9bf70 # [ 51.639255] RBP: ffffffffafcbfcf5 R08: 0000000000000000 R09: 0000000000000000 # [ 51.647226] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 51.655195] R13: ffff9fa84197ff10 R14: ffff9fa84197ff10 R15: ffff962bc2bd1000 # [ 51.663157] FS: 00007f7eaa945580(0000) GS:ffff962c3ac80000(0000) knlGS:0000000000000000 # [ 51.672196] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 51.684827] CR2: 00007f7eaa75e000 CR3: 0000000104a82004 CR4: 00000000003706e0 # [ 51.699012] Call Trace: # [ 51.707963] lkdtm_UNSET_SMEP.cold+0x1d/0x103 # [ 51.719044] direct_entry.cold+0x2c/0x38 # [ 51.729637] full_proxy_write+0x56/0x80 # [ 51.740132] vfs_write+0xea/0x390 # [ 51.750046] ksys_write+0x68/0xe0 # [ 51.759967] do_syscall_64+0x33/0x40 # [ 51.770169] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 51.782021] RIP: 0033:0x7f7eaa8[ 55.850290] lkdtm: Performing direct entry EXEC_USERSPACE 6df33 # [ 51.792226] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 4[ 55.862187] lkdtm: attempting ok execution at ffffffffaecb1eb0 8 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0[ 55.874944] lkdtm: attempting bad execution at 00007f32d96a8000 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 4[ 55.887721] unable to execute userspace code (SMEP?) (uid: 0) [ 55.900339] BUG: unable to handle page fault for address: 00007f32d96a8000 [ 55.908014] #PF: supervisor instruction fetch in kernel mode [ 55.914330] #PF: error_code(0x0011) - permissions violation [ 55.920550] PGD 80000001026bb067 P4D 80000001026bb067 PUD 104ff5067 PMD 1033b3067 PTE 10726b067 0 00 48 83 ec 28 48 89 54 24 18 # [ 51.819421] RSP: 002b:0000[ 55.930269] Oops: 0011 [#10] SMP PTI [ 55.940470] CPU: 1 PID: 1805 Comm: cat Tainted: G D W 5.10.128-cip11 #1 [ 55.949117] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 55.955940] RIP: 0010:0x7f32d96a8000 [ 55.959937] Code: Unable to access opcode bytes at RIP 0x7f32d96a7fd6. [ 55.967223] RSP: 0018:ffff9fa84245fe50 EFLAGS: 00010246 [ 55.973056] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 [ 55.981022] RDX: 0000000000000000 RSI: ffff962c3ac9bf70 RDI: ffff962c3ac9bf70 [ 55.988991] RBP: 00007f32d96a8000 R08: 0000000000000000 R09: 0000000000000000 [ 55.996948] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f [ 56.004937] R13: ffff9fa84245ff10 R14: ffff9fa84245ff10 R15: ffff962bc26a9000 [ 56.012905] FS: 00007f32d9679580(0000) GS:ffff962c3ac80000(0000) knlGS:0000000000000000 [ 56.021940] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.028354] CR2: 00007f32d96a8000 CR3: 00000001032a4003 CR4: 00000000003706e0 [ 56.036321] Call Trace: [ 56.039050] ? lkdtm_EXEC_USERSPACE.cold+0x69/0xae 7fffb91561f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ [ 56.044398] ? direct_entry.cold+0x2c/0x38 [ 56.055179] ? full_proxy_write+0x56/0x80 [ 56.059653] ? vfs_write+0xea/0x390 [ 56.063543] ? ksys_write+0x68/0xe0 [ 56.067432] ? do_syscall_64+0x33/0x40 [ 56.071614] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 51.834094] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 0000[ 56.077438] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 56.110069] CR2: 00007f32d96a8000 [ 56.113758] ---[ end trace 7d1a79d3f1134221 ]--- [ 56.118916] RIP: 0010:lkdtm_BUG+0x5/0x10 7f7eaa86df33 # [ 51.848281] RDX: 000000000000000b RSI: 00007f[ 56.123293] 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 [ 56.150483] RSP: 0018:ffff9fa84138fe60 EFLAGS: 00010282 [ 56.156316] RAX: ffffffffaecb1ae0 RBX: 0000000000000001 RCX: 0000000000000000 [ 56.164275] RDX: 0000000000000000 RSI: ffff962c3ad1bf70 RDI: ffffffffaf8d9a70 [ 56.172242] RBP: ffffffffafd1b048 R08: 0000000000000001 R09: 0000000000000001 [ 56.180209] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 56.188176] R13: ffff9fa84138ff10 R14: ffff9fa84138ff10 R15: ffff962bc41d9000 [ 56.196144] FS: 00007f32d9679580(0000) GS:ffff962c3ac80000(0000) knlGS:0000000000000000 [ 56.205180] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.211596] CR2: 00007f32d96a8000 CR3: 00000001032a4003 CR4: 00000000003706e0 7eaa75e000 RDI: 0000000000000001 # [ 51.862467] RBP: 00007f7eaa75e000 R08: 00007f7eaa75d010 R09: 0000000000000000 # [ 51.876652] R10: 00007f7eaa9681c0 R11: 0000000000000246 R12: 0000000000000001 # [ 51.884623] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 51.898808] irq event stamp: 0 # [ 51.908429] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 51.921645] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 51.936996] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 51.952345] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 51.965561] ---[ end trace 7d1a79d3f113421b ]--- # [ 51.976943] lkdtm: ok: SMEP did not get cleared # [ 51.988215] lkdtm: trying to clear SMEP with call gadget # [ 52.000362] 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 # [ 52.071665] lkdtm: Performing direct entry DOUBLE_FAULT # [ 52.0[ 56.320745] lkdtm: Performing direct entry EXEC_NULL [ 56.330777] lkdtm: attempting ok execution at ffffffffaecb1eb0 [ 56.337299] lkdtm: attempting bad execution at 0000000000000000 [ 56.343916] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 56.351697] #PF: supervisor instruction fetch in kernel mode [ 56.358016] #PF: error_code(0x0010) - not-present page [ 56.363750] PGD 0 P4D 0 [ 56.366575] Oops: 0010 [#11] SMP PTI [ 56.370564] CPU: 3 PID: 1841 Comm: cat Tainted: G D W 5.10.128-cip11 #1 [ 56.379211] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 56.386014] RIP: 0010:0x0 [ 56.388940] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. [ 56.396616] RSP: 0018:ffff9fa8424efe48 EFLAGS: 00010246 [ 56.402447] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 56.410414] RDX: 0000000000000000 RSI: ffff962c3ad9bf70 RDI: ffff962c3ad9bf70 [ 56.418380] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 56.426347] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 56.434312] R13: ffff9fa8424eff10 R14: ffff9fa8424eff10 R15: ffff962bc4fdf000 [ 56.442278] FS: 00007f5b7c087580(0000) GS:ffff962c3ad80000(0000) knlGS:0000000000000000 [ 56.451313] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.457726] CR2: ffffffffffffffd6 CR3: 0000000105a72005 CR4: 00000000003706e0 [ 56.465692] Call Trace: [ 56.468418] execute_location+0x48/0x56 [ 56.472698] direct_entry.cold+0x2c/0x38 [ 56.477075] full_proxy_write+0x56/0x80 [ 56.481354] vfs_write+0xea/0x390 [ 56.485049] ksys_write+0x68/0xe0 [ 56.488746] do_syscall_64+0x33/0x40 [ 56.492725] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 56.498354] RIP: 0033:0x7f5b7bfaff33 [ 56.502341] 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 [ 56.523319] RSP: 002b:00007ffe11392c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 56.531772] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f5b7bfaff33 [ 56.539739] RDX: 000000000000000a RSI: 00007f5b7bea0000 RDI: 0000000000000001 [ 56.547706] RBP: 00007f5b7bea0000 R08: 00007f5b7be9f010 R09: 0000000000000000 [ 56.555672] R10: 00007f5b7c0aa1c0 R11: 0000000000000246 R12: 0000000000000001 [ 56.563637] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 56.571606] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 79771] lkdtm: XFAIL: this test is ia32-only # DOUBLE_FAULT: saw[ 56.598055] CR2: 0000000000000000 [ 56.607961] ---[ end trace 7d1a79d3f1134222 ]--- [ 56.613115] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 56.617491] 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 [ 56.638468] RSP: 0018:ffff9fa84138fe60 EFLAGS: 00010282 [ 56.644300] RAX: ffffffffaecb1ae0 RBX: 0000000000000001 RCX: 0000000000000000 [ 56.652268] RDX: 0000000000000000 RSI: ffff962c3ad1bf70 RDI: ffffffffaf8d9a70 [ 56.660236] RBP: ffffffffafd1b048 R08: 0000000000000001 R09: 0000000000000001 [ 56.668202] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 56.676170] R13: ffff9fa84138ff10 R14: ffff9fa84138ff10 R15: ffff962bc41d9000 [ 56.684137] FS: 00007f5b7c087580(0000) GS:ffff962c3ad80000(0000) knlGS:0000000000000000 [ 56.693171] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.699585] CR2: ffffffffffffffd6 CR3: 0000000105a72005 CR4: 00000000003706e0 [ 56.707552] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 56.717460] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1841, name: cat [ 56.725929] INFO: lockdep is turned off. 'XFAIL': [SKIP] ok 15 selftests: lkdtm: DOUBLE_FAULT.sh # SKIP[ 56.730312] irq event stamp: 0 [ 56.739938] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 56.746951] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 56.756083] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 56.765216] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 56.772214] CPU: 3 PID: 1841 Comm: cat Tainted: G D W 5.10.128-cip11 #1 [ 56.780851] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 56.787654] Call Trace: [ 56.790379] dump_stack+0x77/0x97 [ 56.794066] ___might_sleep.cold+0xa6/0xb6 [ 56.798636] exit_signals+0x1c/0x2d0 [ 56.802623] do_exit+0xd5/0xb00 [ 56.806124] ? ksys_write+0x68/0xe0 [ 56.810014] rewind_stack_do_exit+0x17/0x20 [ 56.814681] RIP: 0033:0x7f5b7bfaff33 [ 56.818668] 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 [ 56.839645] RSP: 002b:00007ffe11392c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 56.848099] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f5b7bfaff33 [ 56.856066] RDX: 000000000000000a RSI: 00007f5b7bea0000 RDI: 0000000000000001 [ 56.864033] RBP: 00007f5b7bea0000 R08: 00007f5b7be9f010 R09: 0000000000000000 [ 56.871999] R10: 00007f5b7c0aa1c0 R11: 0000000000000246 R12: 0000000000000001 [ 56.879966] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # selftests: lkdtm: CORRUPT_PAC.sh # [ 52.151091] lkdtm: Performing direct entry CORRUPT_PAC # [ 52.159021] lkdtm: XFAIL: this test is arm64-only # CORRUPT_PAC: saw 'XFAIL': [SKIP] ok 16 selftests: lkdtm: CORRUPT_PAC.sh # SKIP # selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh # [ 52.220222] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 52.233689] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # UNALIGNED_LOAD_STORE_WRITE: saw 'XFAIL': [SKIP] ok 17 selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh # SKIP # selftests: lkdtm: OVERWRITE_ALLOCATION.sh # Skipping OVERWRITE_ALLOCATION: Corrupts memory on failure ok 18 selftests: lkdtm: OVERWRITE_ALLOCATION.sh # SKIP # selftests: lkdtm: WRITE_AFTER_FREE.sh # Skipping WRITE_AFTER_FREE: Corrupts memory on failure ok 19 selftests: lkdtm: WRITE_AFTER_FREE.sh # SKIP # selftests: lkdtm: READ_AFTER_FREE.sh # [ 52.353046] lkdtm: Performing direct entry READ_AFTER_FREE # [ 52.359275] lkdtm: Value in memory before free: 12345678 # [ 52.371453] lkdtm: Attempting bad read from freed memory # [ 52.383576] lkdtm: Memory was not poisoned # READ_AFTER_FREE: missing 'call trace:': [FAIL] not ok 20 selftests: lkdtm: READ_AFTER_FREE.sh # exit=1 # selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # Skipping WRITE_BUDDY_AFTER_FREE: Corrupts memory on failure ok 21 selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # SKIP # selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh # [ 52.488370] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 52.500508] lkdtm: Value in memory before free: 12345678 # [ 52.506449] lkdtm: Attempting to read from freed memor[ 57.044211] lkdtm: Performing direct entry ACCESS_USERSPACE y # [ 52.512285] lkdtm: Buddy page was not poisoned # READ_B[ 57.056048] lkdtm: attempting bad read at 00007f38a8960000 UDDY_AFTER_FREE: missing 'call trace:': [FAIL] not ok 22 selfte[ 57.068398] BUG: unable to handle page fault for address: 00007f38a8960000 [ 57.082266] #PF: supervisor read access in kernel mode [ 57.088000] #PF: error_code(0x0001) - permissions violation [ 57.094218] PGD 8000000102b7b067 P4D 8000000102b7b067 PUD 104e8d067 PMD 103312067 PTE 1170c9067 [ 57.103939] Oops: 0001 [#12] SMP PTI [ 57.107926] CPU: 0 PID: 1876 Comm: cat Tainted: G D W 5.10.128-cip11 #1 [ 57.116573] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 57.123379] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x3d/0x9f [ 57.129604] Code: 2b 04 25 28 00 00 00 75 60 48 83 c4 10 5d c3 48 89 ee 48 c7 c7 88 0d cc af e8 73 9d fd ff 48 c7 c7 b0 0d cc af b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 5a 9d fd ff 48 89 ee 48 c7 c7 d8 0d cc [ 57.150570] RSP: 0018:ffff9fa842547e48 EFLAGS: 00010246 [ 57.156402] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 [ 57.164367] RDX: 0000000000000000 RSI: ffff962c3ac1bf70 RDI: ffffffffafcc0db0 [ 57.172335] RBP: 00007f38a8960000 R08: 0000000000000000 R09: 0000000000000000 [ 57.180300] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 [ 57.188267] R13: ffff9fa842547f10 R14: ffff9fa842547f10 R15: ffff962bc6553000 [ 57.196233] FS: 00007f38a8931580(0000) GS:ffff962c3ac00000(0000) knlGS:0000000000000000 [ 57.205268] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.211683] CR2: 00007f38a8960000 CR3: 000000010275c001 CR4: 00000000003706f0 [ 57.219649] Call Trace: [ 57.222376] direct_entry.cold+0x2c/0x38 [ 57.226760] full_proxy_write+0x56/0x80 [ 57.231044] vfs_write+0xea/0x390 [ 57.234740] ksys_write+0x68/0xe0 [ 57.238428] do_syscall_64+0x33/0x40 [ 57.242415] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 57.248045] RIP: 0033:0x7f38a8859f33 [ 57.252022] 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 [ 57.272999] RSP: 002b:00007ffe46085e28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 57.281442] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f38a8859f33 [ 57.289409] RDX: 0000000000000011 RSI: 00007f38a874a000 RDI: 0000000000000001 [ 57.297376] RBP: 00007f38a874a000 R08: 00007f38a8749010 R09: 0000000000000000 [ 57.305343] R10: 00007f38a89541c0 R11: 0000000000000246 R12: 0000000000000001 [ 57.313308] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 57.321278] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 57.347710] CR2: 00007f38a8960000 [ 57.351405] ---[ end trace 7d1a79d3f1134223 ]--- [ 57.356558] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 57.360933] 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 [ 57.381899] RSP: 0018:ffff9fa84138fe60 EFLAGS: 00010282 [ 57.387730] RAX: ffffffffaecb1ae0 RBX: 0000000000000001 RCX: 0000000000000000 [ 57.395696] RDX: 0000000000000000 RSI: ffff962c3ad1bf70 RDI: ffffffffaf8d9a70 [ 57.403663] RBP: ffffffffafd1b048 R08: 0000000000000001 R09: 0000000000000001 [ 57.411630] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 57.419596] R13: ffff9fa84138ff10 R14: ffff9fa84138ff10 R15: ffff962bc41d9000 [ 57.427566] FS: 00007f38a8931580(0000) GS:ffff962c3ac00000(0000) knlGS:0000000000000000 [ 57.436593] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.443005] CR2: 00007f38a8960000 CR3: 000000010275c001 CR4: 00000000003706f0 sts: lkdtm: READ_BUDDY_AFTER_FREE.sh # exit=1 # selftests: lkdtm: SLAB_FREE_DOUBLE.sh # [ 52.576170] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 52.585675] lkdtm: Attempting double slab free ... # SLAB_FREE_DOUBLE: missing 'call trace:': [FAIL] not ok 23 selftests: lkdtm: SLAB_FREE_DOUBLE.sh # exit=1 # selftests: lkdtm: SLAB_FREE_CROSS.sh # [ 52.665483] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 52.671753] lkdtm: Attempting cross-cache slab free ... # SLAB_FREE_CROSS: missing 'call trace:': [FAIL] not ok 24 selftests: lkdtm: SLAB_FREE_CROSS.sh # exit=1 # selftests: lkdtm: SLAB_FREE_PAGE.sh # [ 52.754682] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 52.764405] lkdtm: Attempting non-Slab slab free ... # SLAB_FREE_PAGE: missing 'call trace:': [FAIL] not ok 25 selftests: lkdtm: SLAB_FREE_PAGE.sh # exit=1 # selftests: lkdtm: SOFTLOCKUP.sh # Skipping SOFTLOCKUP: Hangs the system ok 26 selftests: lkdtm:[ 57.537967] lkdtm: Performing direct entry ACCESS_NULL [ 57.549960] lkdtm: attempting bad read at 0000000000000000 [ 57.556100] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 57.563871] #PF: supervisor read access in kernel mode [ 57.569605] #PF: error_code(0x0000) - not-present page [ 57.575338] PGD 0 P4D 0 [ 57.578163] Oops: 0000 [#13] SMP PTI [ 57.582141] CPU: 3 PID: 1911 Comm: cat Tainted: G D W 5.10.128-cip11 #1 [ 57.590787] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 57.597592] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 [ 57.602842] Code: 17 9d fd ff be 00 10 00 00 48 89 ef e8 74 db 3f ff e9 6d ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 88 0d cc af e8 f1 9c fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 b0 0d cc af 48 01 [ 57.623810] RSP: 0018:ffff9fa8425ffe58 EFLAGS: 00010246 [ 57.629632] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 [ 57.637599] RDX: 0000000000000000 RSI: ffff962c3ad9bf70 RDI: ffff962c3ad9bf70 [ 57.645565] RBP: ffffffffafcbfe79 R08: 0000000000000000 R09: 0000000000000000 [ 57.653531] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 57.661498] R13: ffff9fa8425fff10 R14: ffff9fa8425fff10 R15: ffff962bc4dfb000 [ 57.669466] FS: 00007fc7996e6580(0000) GS:ffff962c3ad80000(0000) knlGS:0000000000000000 [ 57.678500] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.684930] CR2: 0000000000000000 CR3: 000000010599c006 CR4: 00000000003706e0 SOFTLOCKUP.sh # SKIP # selftests: lkdtm: HARDLOCKUP.sh # Skip[ 57.692907] Call Trace: [ 57.701846] direct_entry.cold+0x2c/0x38 [ 57.706224] full_proxy_write+0x56/0x80 [ 57.710503] vfs_write+0xea/0x390 [ 57.714198] ksys_write+0x68/0xe0 [ 57.717894] do_syscall_64+0x33/0x40 [ 57.721882] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 57.727521] RIP: 0033:0x7fc79960ef33 [ 57.731500] 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 [ 57.752471] RSP: 002b:00007ffd1827a9d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 57.760924] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fc79960ef33 [ 57.768891] RDX: 000000000000000c RSI: 00007fc7994ff000 RDI: 0000000000000001 [ 57.776858] RBP: 00007fc7994ff000 R08: 00007fc7994fe010 R09: 0000000000000000 [ 57.784826] R10: 00007fc7997091c0 R11: 0000000000000246 R12: 0000000000000001 [ 57.792792] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 57.800760] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify ping HARDLOCKUP: Hangs the system ok 27 selftests: lkdtm: HARDL[ 57.827211] CR2: 0000000000000000 [ 57.837117] ---[ end trace 7d1a79d3f1134224 ]--- [ 57.842269] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 57.846644] 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 [ 57.867622] RSP: 0018:ffff9fa84138fe60 EFLAGS: 00010282 [ 57.873454] RAX: ffffffffaecb1ae0 RBX: 0000000000000001 RCX: 0000000000000000 [ 57.881421] RDX: 0000000000000000 RSI: ffff962c3ad1bf70 RDI: ffffffffaf8d9a70 [ 57.889387] RBP: ffffffffafd1b048 R08: 0000000000000001 R09: 0000000000000001 [ 57.897354] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 57.905320] R13: ffff9fa84138ff10 R14: ffff9fa84138ff10 R15: ffff962bc41d9000 [ 57.913286] FS: 00007fc7996e6580(0000) GS:ffff962c3ad80000(0000) knlGS:0000000000000000 [ 57.922320] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.928732] CR2: 0000000000000000 CR3: 000000010599c006 CR4: 00000000003706e0 OCKUP.sh # SKIP # selftests: lkdtm: SPINLOCKUP.sh # Skipping SPINLOCKUP: Hangs the system ok 28 selftests: lkdtm: SPINLOCKUP.sh # SKIP # selftests: lkdtm: HUNG_TASK.sh # Skipping HUNG_TASK: Hangs the system ok 29 selftests: lkdtm: HUNG_TASK.sh # SKIP # selftests: lkdtm: EXEC_DATA.sh # Killed # [ 52.927263] lkdtm: Performing direct entry EXEC_DATA # [ 52.937108] lkdtm: attempting ok execution at ffffffffaecb1eb0 # [ 52.949842] lkdtm: attempting bad execution at ffffffffb13b3560 # [ 52.962668] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 52.977224] BUG: unable to handle page fault for address: ffffffffb13b3560 # [ 52.984899] #PF: supervisor instruction fetch in kernel mode # [ 52.991216] #PF: error_code(0x0011) - permissions violation # [ 52.997435] PGD 1e629067 [ 58.011349] lkdtm: Performing direct entry WRITE_RO P4D 1e629067 PUD 1e62a063 PMD 800000001fa000e3 # [ 53.004910[ 58.023012] lkdtm: attempting bad rodata write at ffffffffaf8d9ef0 ] Oops: 0011 [#5] SMP PTI # [ 53.008824] CPU: 0 PID: 1625 Com[ 58.036153] BUG: unable to handle page fault for address: ffffffffaf8d9ef0 [ 58.050002] #PF: supervisor write access in kernel mode [ 58.055824] #PF: error_code(0x0003) - permissions violation [ 58.062043] PGD 1e629067 P4D 1e629067 PUD 1e62a063 PMD 800000001e0000e1 [ 58.069533] Oops: 0003 [#14] SMP PTI [ 58.073521] CPU: 0 PID: 1946 Comm: cat Tainted: G D W 5.10.128-cip11 #1 [ 58.082166] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 58.088971] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a [ 58.093932] Code: 00 48 c7 c7 68 0c cc af 48 c7 c6 f0 9e 8d af e8 93 9f fd ff 48 8b 05 16 31 5e 00 ba 34 12 cd ab 48 c7 c7 98 0c cc af 48 31 d0 <48> 89 05 00 31 5e 00 e9 71 9f fd ff 0f 1f 44 00 00 48 8b 05 27 55 [ 58.114909] RSP: 0018:ffff9fa842687e60 EFLAGS: 00010202 [ 58.120731] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 [ 58.128698] RDX: 00000000abcd1234 RSI: ffff962c3ac1bf70 RDI: ffffffffafcc0c98 [ 58.136665] RBP: ffffffffafcbfe85 R08: 0000000000000000 R09: 0000000000000000 [ 58.144632] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 [ 58.152600] R13: ffff9fa842687f10 R14: ffff9fa842687f10 R15: ffff962bc2650000 [ 58.160567] FS: 00007f84ec378580(0000) GS:ffff962c3ac00000(0000) knlGS:0000000000000000 [ 58.169592] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.176005] CR2: ffffffffaf8d9ef0 CR3: 00000001040e2001 CR4: 00000000003706f0 [ 58.183970] Call Trace: [ 58.186696] direct_entry.cold+0x2c/0x38 [ 58.191073] full_proxy_write+0x56/0x80 [ 58.195358] vfs_write+0xea/0x390 [ 58.199054] ksys_write+0x68/0xe0 [ 58.202751] do_syscall_64+0x33/0x40 [ 58.206738] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 58.212376] RIP: 0033:0x7f84ec2a0f33 [ 58.216353] 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 [ 58.237330] RSP: 002b:00007ffce81b4668 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 58.245773] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f84ec2a0f33 [ 58.253740] RDX: 0000000000000009 RSI: 00007f84ec191000 RDI: 0000000000000001 [ 58.261707] RBP: 00007f84ec191000 R08: 00007f84ec190010 R09: 0000000000000000 [ 58.269673] R10: 00007f84ec39b1c0 R11: 0000000000000246 R12: 0000000000000001 [ 58.277639] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 58.285607] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 58.312037] CR2: ffffffffaf8d9ef0 [ 58.315734] ---[ end trace 7d1a79d3f1134225 ]--- [ 58.320887] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 58.325262] 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 [ 58.346237] RSP: 0018:ffff9fa84138fe60 EFLAGS: 00010282 [ 58.352069] RAX: ffffffffaecb1ae0 RBX: 0000000000000001 RCX: 0000000000000000 [ 58.360035] RDX: 0000000000000000 RSI: ffff962c3ad1bf70 RDI: ffffffffaf8d9a70 [ 58.368000] RBP: ffffffffafd1b048 R08: 0000000000000001 R09: 0000000000000001 [ 58.375966] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 58.383933] R13: ffff9fa84138ff10 R14: ffff9fa84138ff10 R15: ffff962bc41d9000 [ 58.391899] FS: 00007f84ec378580(0000) GS:ffff962c3ac00000(0000) knlGS:0000000000000000 [ 58.400933] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.407347] CR2: ffffffffaf8d9ef0 CR3: 00000001040e2001 CR4: 00000000003706f0 [ 58.415314] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 58.425223] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1946, name: cat [ 58.433675] INFO: lockdep is turned off. [ 58.438050] irq event stamp: 0 [ 58.441453] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 58.448451] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 58.457584] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 58.466715] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 58.473710] CPU: 0 PID: 1946 Comm: cat Tainted: G D W 5.10.128-cip11 #1 [ 58.482356] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 58.489157] Call Trace: [ 58.491883] dump_stack+0x77/0x97 [ 58.495586] ___might_sleep.cold+0xa6/0xb6 [ 58.500156] exit_signals+0x1c/0x2d0 [ 58.504143] do_exit+0xd5/0xb00 [ 58.507645] ? ksys_write+0x68/0xe0 [ 58.511527] rewind_stack_do_exit+0x17/0x20 [ 58.516193] RIP: 0033:0x7f84ec2a0f33 [ 58.520178] 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 [ 58.541152] RSP: 002b:00007ffce81b4668 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 58.549604] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f84ec2a0f33 [ 58.557571] RDX: 0000000000000009 RSI: 00007f84ec191000 RDI: 0000000000000001 [ 58.565537] RBP: 00007f84ec191000 R08: 00007f84ec190010 R09: 0000000000000000 [ 58.573502] R10: 00007f84ec39b1c0 R11: 0000000000000246 R12: 0000000000000001 [ 58.581468] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 m: cat Tainted: G D W 5.10.128-cip11 #1 # [ 53.017471] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 53.024277] RIP: 0010:data_area+0x0/0x40 # [ 53.028659] Code: ff ff 00 ba ba c0 2b 96 ff ff 00 b9 ba c0 2b 96 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 # [ 53.049628] RSP: 0018:ffff9fa842187e48 EFLAGS: 00010246 # [ 53.055459] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 53.063425] RDX: 0000000000000000 RSI: ffff962c3ac1bf70 RDI: ffff962c3ac1bf70 # [ 53.071390] RBP: ffffffffb13b3560 R08: 0000000000000000 R09: 0000000000000000 # [ 53.079358] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 53.087324] R13: ffff9fa842187f10 R14: ffff9fa842187f10 R15: ffff962bc3497000 # [ 53.095291] FS: 00007ff7d1af1580(0000) GS:ffff962c3ac00000(0000) knlGS:0000000000000000 # [ 53.104328] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 53.110742] CR2: ffffffffb13b3560 CR3: 0000000102b46006 CR4: 00000000003706f0 # [ 53.118708] Call Trace: # [ 53.121435] ? execute_location+0x48/0x56 # [ 53.125931] [ 58.703300] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT [ 58.714062] lkdtm: attempting bad ro_after_init write at ffffffffafd3c328 [ 58.721656] BUG: unable to handle page fault for address: ffffffffafd3c328 [ 58.729340] #PF: supervisor write access in kernel mode [ 58.735173] #PF: error_code(0x0003) - permissions violation [ 58.741391] PGD 1e629067 P4D 1e629067 PUD 1e62a063 PMD 1027fe063 PTE 800000001e53c061 ? direct_entry.cold+0x2c/0x38 # [ 53.130509] ? full_proxy_wr[ 58.750142] Oops: 0003 [#15] SMP PTI [ 58.760342] CPU: 3 PID: 1981 Comm: cat Tainted: G D W 5.10.128-cip11 #1 [ 58.768990] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 58.775797] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a ite+0x56/0x80 # [ 53.134985] ? vfs_write+0xea/0x390 # [ 5[ 58.781824] Code: 0c cc af e9 45 9f fd ff 48 c7 c7 f0 0c cc af e8 39 9f fd ff 48 8b 05 f4 54 a4 00 ba 34 12 cd ab 48 c7 c7 98 0c cc af 48 31 d0 <48> 89 05 de 54 a4 00 e9 17 9f fd ff 0f 1f 44 00 00 41 54 48 c7 c7 [ 58.809014] RSP: 0018:ffff9fa842727e60 EFLAGS: 00010202 [ 58.814845] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 [ 58.822812] RDX: 00000000abcd1234 RSI: ffff962c3ad9bf70 RDI: ffffffffafcc0c98 [ 58.830777] RBP: ffffffffafcbfe8e R08: 0000000000000000 R09: 0000000000000000 [ 58.838744] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 [ 58.846710] R13: ffff9fa842727f10 R14: ffff9fa842727f10 R15: ffff962bc2b2f000 [ 58.854678] FS: 00007f342cc10580(0000) GS:ffff962c3ad80000(0000) knlGS:0000000000000000 [ 58.863714] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.870126] CR2: ffffffffafd3c328 CR3: 0000000103502001 CR4: 00000000003706e0 [ 58.878093] Call Trace: [ 58.880820] direct_entry.cold+0x2c/0x38 [ 58.885189] full_proxy_write+0x56/0x80 [ 58.889468] vfs_write+0xea/0x390 [ 58.893154] ksys_write+0x68/0xe0 [ 58.896850] do_syscall_64+0x33/0x40 [ 58.900860] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 58.906499] RIP: 0033:0x7f342cb38f33 [ 58.910485] 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 [ 58.931460] RSP: 002b:00007ffdef301d18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 58.939912] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f342cb38f33 [ 58.947880] RDX: 0000000000000014 RSI: 00007f342ca29000 RDI: 0000000000000001 [ 58.955847] RBP: 00007f342ca29000 R08: 00007f342ca28010 R09: 0000000000000000 [ 58.963814] R10: 00007f342cc331c0 R11: 0000000000000246 R12: 0000000000000001 [ 58.971782] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 58.979751] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 59.006209] CR2: ffffffffafd3c328 [ 59.009906] ---[ end trace 7d1a79d3f1134226 ]--- [ 59.015051] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 59.019427] 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 [ 59.040404] RSP: 0018:ffff9fa84138fe60 EFLAGS: 00010282 [ 59.046236] RAX: ffffffffaecb1ae0 RBX: 0000000000000001 RCX: 0000000000000000 [ 59.054203] RDX: 0000000000000000 RSI: ffff962c3ad1bf70 RDI: ffffffffaf8d9a70 [ 59.062170] RBP: ffffffffafd1b048 R08: 0000000000000001 R09: 0000000000000001 [ 59.070136] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 59.078103] R13: ffff9fa84138ff10 R14: ffff9fa84138ff10 R15: ffff962bc41d9000 [ 59.086070] FS: 00007f342cc10580(0000) GS:ffff962c3ad80000(0000) knlGS:0000000000000000 [ 59.095106] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.101520] CR2: ffffffffafd3c328 CR3: 0000000103502001 CR4: 00000000003706e0 3.138882] ? ksys_write+0x68/0xe0 # [ 53.142772] ? do_syscall_64+0x33/0x40 # [ 53.146953] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 53.152785] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 53.179219] CR2: ffffffffb13b3560 # [ 53.182934] ---[ end trace 7d1a79d3f113421c ]--- # [ 53.188089] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 53.192465] 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 # [ 53.213444] RSP: 0018:ffff9fa84138fe60 EFLAGS: 00010282 # [ 53.219275] RAX: ffffffffaecb1ae0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 53.227243] RDX: 0000000000000000 RSI: ffff962c3ad1bf70 RDI: ffffffffaf8d9a70 # [ 53.235210] RBP: ffffffffafd1b048 R08: 0000000000000001 R09: 0000000000000001 # [ 53.243177] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 53.251144] R13: ffff9fa84138ff10 R14[ 59.223707] lkdtm: Performing direct entry WRITE_KERN : ffff9fa84138ff10 R15: ffff962bc41d9000 # [ 53.259111] FS: [ 59.233314] lkdtm: attempting bad 6573732 byte write at ffffffffaf2f6d54 00007ff7d1af1580(0000) GS:ffff962c3ac00000(0000) knlGS:000000000[ 59.247017] BUG: unable to handle page fault for address: ffffffffaf2f6d54 [ 59.260902] #PF: supervisor write access in kernel mode [ 59.266734] #PF: error_code(0x0003) - permissions violation [ 59.272955] PGD 1e629067 P4D 1e629067 PUD 1e62a063 PMD 1da000e1 0000000 # [ 53.268145] CS: 0010 DS: 0000 ES: 0000 CR0: 00000[ 59.279663] Oops: 0003 [#16] SMP PTI [ 59.289863] CPU: 1 PID: 2016 Comm: cat Tainted: G D W 5.10.128-cip11 #1 [ 59.298511] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 59.305318] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e 00080050033 # [ 53.274557] CR2: ffffffffb13b3560 CR3: 0000000[ 59.310473] Code: 53 48 c7 c3 54 6d 2f af 49 89 dc 48 89 da 49 81 ec b0 1e cb ae 4c 89 e6 e8 ec 9e fd ff 48 89 df 4c 89 e1 48 c7 c6 b0 1e cb ae a4 48 c7 c7 98 0c cc af e8 d1 9e fd ff 5b 41 5c e9 b7 fe ff ff [ 59.337666] RSP: 0018:ffff9fa8427afe50 EFLAGS: 00010246 [ 59.343489] RAX: 000000000000003c RBX: ffffffffaf2f6d54 RCX: 0000000000644ea4 [ 59.351455] RDX: 0000000000000000 RSI: ffffffffaecb1eb0 RDI: ffffffffaf2f6d54 [ 59.359421] RBP: ffffffffafcbfea2 R08: 0000000000000000 R09: 0000000000000000 [ 59.367389] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000644ea4 [ 59.375357] R13: ffff9fa8427aff10 R14: ffff9fa8427aff10 R15: ffff962bc406c000 [ 59.383325] FS: 00007f54c6766580(0000) GS:ffff962c3ac80000(0000) knlGS:0000000000000000 [ 59.392363] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.398778] CR2: ffffffffaf2f6d54 CR3: 0000000102762001 CR4: 00000000003706e0 [ 59.406747] Call Trace: [ 59.409476] direct_entry.cold+0x2c/0x38 102b46006 CR4: 00000000003706f0 # [ 53.282526] BUG: sleeping [ 59.413856] full_proxy_write+0x56/0x80 [ 59.424349] vfs_write+0xea/0x390 [ 59.428047] ksys_write+0x68/0xe0 [ 59.431736] do_syscall_64+0x33/0x40 [ 59.435725] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 59.441356] RIP: 0033:0x7f54c668ef33 [ 59.445343] 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 [ 59.466326] RSP: 002b:00007ffcca2ee348 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 59.474780] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f54c668ef33 [ 59.482749] RDX: 000000000000000b RSI: 00007f54c657f000 RDI: 0000000000000001 [ 59.490717] RBP: 00007f54c657f000 R08: 00007f54c657e010 R09: 0000000000000000 [ 59.498685] R10: 00007f54c67891c0 R11: 0000000000000246 R12: 0000000000000001 [ 59.506652] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 function called from invalid context at include/linux/percpu-rws[ 59.514624] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 59.547265] CR2: ffffffffaf2f6d54 [ 59.550962] ---[ end trace 7d1a79d3f1134227 ]--- [ 59.556115] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 59.560491] 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 [ 59.581475] RSP: 0018:ffff9fa84138fe60 EFLAGS: 00010282 [ 59.587307] RAX: ffffffffaecb1ae0 RBX: 0000000000000001 RCX: 0000000000000000 [ 59.595274] RDX: 0000000000000000 RSI: ffff962c3ad1bf70 RDI: ffffffffaf8d9a70 [ 59.603243] RBP: ffffffffafd1b048 R08: 0000000000000001 R09: 0000000000000001 [ 59.611213] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 59.619183] R13: ffff9fa84138ff10 R14: ffff9fa84138ff10 R15: ffff962bc41d9000 [ 59.627152] FS: 00007f54c6766580(0000) GS:ffff962c3ac80000(0000) knlGS:0000000000000000 [ 59.636188] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.642603] CR2: ffffffffaf2f6d54 CR3: 0000000102762001 CR4: 00000000003706e0 [ 59.650571] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 59.660483] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 2016, name: cat [ 59.668938] INFO: lockdep is turned off. [ 59.673312] irq event stamp: 0 [ 59.676715] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 59.683714] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 59.692850] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 59.701977] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 59.708980] CPU: 1 PID: 2016 Comm: cat Tainted: G D W 5.10.128-cip11 #1 em.h:49 # [ 53.292433] in_atomic(): 0, irqs_disabled(): 1, no[ 59.717636] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 59.730654] Call Trace: [ 59.733380] dump_stack+0x77/0x97 n_block: 0, pid: 1625, name: cat # [ 53.300885] INFO: lockdep[ 59.737080] ___might_sleep.cold+0xa6/0xb6 [ 59.747865] exit_signals+0x1c/0x2d0 [ 59.751845] do_exit+0xd5/0xb00 [ 59.755339] ? ksys_write+0x68/0xe0 [ 59.759231] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 [ 59.764675] rewind_stack_do_exit+0x17/0x20 [ 59.769342] RIP: 0033:0x7f54c668ef33 [ 59.773329] 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 [ 59.794311] RSP: 002b:00007ffcca2ee348 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 59.802767] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f54c668ef33 [ 59.810737] RDX: 000000000000000b RSI: 00007f54c657f000 RDI: 0000000000000001 [ 59.818704] RBP: 00007f54c657f000 R08: 00007f54c657e010 R09: 0000000000000000 [ 59.826673] R10: 00007f54c67891c0 R11: 0000000000000246 R12: 0000000000000001 [ 59.834641] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 is turned off. # [ 53.305259] irq event stamp: 0 # [ 53.308664] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 53.315661] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 53.324786] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 53.333938] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 53.340939] CPU: 0 PID: 1625 Comm: cat Tainted: G D W 5.10.128-cip11 #1 # [ 53.349585] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 53.356386] Call Trace: # [ 53.359113] dump_stack+0x77/0x97 # [ 53.362809] ___might_sleep.cold+0xa6/0xb6 # [ 53.367381] exit_signals+0x1c/0x2d0 # [ 53.371368] do_exit+0xd5/0xb00 # [ 53.374868] ? ksys_write+0x68/0xe0 # [ 53.378758] rewind_stack_do_exit+0x17/0x20 # [ 53.383424] RIP: 0033:0x7ff7d1a19f33 # [ 53.387411] 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 0[ 59.936055] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW [ 59.948770] lkdtm: attempting good refcount_inc() without overflow [ 59.955680] lkdtm: attempting bad refcount_inc() overflow [ 59.961712] ------------[ cut here ]------------ [ 59.966873] refcount_t: saturated; leaking memory. [ 59.972251] WARNING: CPU: 3 PID: 2051 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 1 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 [ 59.981579] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 60.014206] CPU: 3 PID: 2051 Comm: cat Tainted: G D W 5.10.128-cip11 #1 [ 60.022880] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 60.029687] RIP: 0010:refcount_warn_saturate+0x49/0xf0 [ 60.035426] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 98 1d 76 01 00 75 f2 48 c7 c7 20 b9 c5 af c6 05 88 1d 76 01 01 e8 2d fc 92 00 <0f> 0b c3 80 3d 78 1d 76 01 00 75 d3 48 c7 c7 48 b9 c5 af c6 05 68 [ 60.056408] RSP: 0018:ffff9fa842847e48 EFLAGS: 00010286 [ 60.062244] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 [ 60.070214] RDX: ffff962c3adac660 RSI: ffff962c3ad9bf70 RDI: ffff962c3ad9bf70 [ 60.078185] RBP: ffffffffafcbfead R08: 0000000000000000 R09: 0000000000000000 [ 60.086155] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 [ 60.094125] R13: ffff9fa842847f10 R14: ffff9fa842847f10 R15: ffff962bc6570000 ec 28 48 89 54 24 18 # [ 53.408390] RSP: 002b:00007ffe3ccbf69[ 60.102101] FS: 00007fb733b2c580(0000) GS:ffff962c3ad80000(0000) knlGS:0000000000000000 8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 53.416834] [ 60.117351] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.129984] CR2: 00007fb733945000 CR3: 0000000103276002 CR4: 00000000003706e0 RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007ff7d1a19f3[ 60.137956] Call Trace: 3 # [ 53.424800] RDX: 000000000000000a RSI: 00007ff7d190a000 [ 60.146900] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x94 RDI: 0000000000000001 # [ 53.432768] RBP: 00007ff7d190a000 R0[ 60.158461] direct_entry.cold+0x2c/0x38 [ 60.169053] full_proxy_write+0x56/0x80 8: 00007ff7d1909010 R09: 0000000000000000 # [ 53.440735] R10:[ 60.173362] vfs_write+0xea/0x390 [ 60.183270] ksys_write+0x68/0xe0 [ 60.186990] do_syscall_64+0x33/0x40 [ 60.191006] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 60.196672] RIP: 0033:0x7fb733a54f33 [ 60.200684] 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 00007ff7d1b141c0 R11: 0000000000000246 R12: 0000000000000001 #[ 60.221678] RSP: 002b:00007ffe36596918 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 60.236339] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fb733a54f33 [ 60.244307] RDX: 0000000000000016 RSI: 00007fb733945000 RDI: 0000000000000001 [ 60.252278] RBP: 00007fb733945000 R08: 00007fb733944010 R09: 0000000000000000 [ 60.260248] R10: 00007fb733b4f1c0 R11: 0000000000000246 R12: 0000000000000001 [ 60.268218] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 60.276193] irq event stamp: 0 [ 60.279630] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 60.286633] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 60.295792] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 60.304927] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 60.311940] ---[ end trace 7d1a79d3f1134228 ]--- [ 53.448704] R13: 0000000000000001 R14: 0000000000020000 R15:[ 60.317096] lkdtm: Overflow detected: saturated 0000000000020000 # EXEC_DATA: saw 'call trace:': ok ok 30 selftests: lkdtm: EXEC_DATA.sh # selftests: lkdtm: EXEC_STACK.sh # Killed # [ 53.594539] lkdtm: Performing direct entry EXEC_STACK # [ 53.605282] lkdtm: attempting ok execution at ffffffffaecb1eb0 # [ 53.611813] lkdtm: attempting bad execution at ffff9fa8421f7e18 # [ 53.618436] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 53.626798] BUG: unable to handle page fault for address: ffff9fa8421f7e18 # [ 53.634476] #PF: supervisor instruction fetch in kernel mode # [ 53.640794] #PF: error_code(0x0011) - permissions violation # [ 53.647014] PGD 100000067 P4D 100000067 PUD 100210067 PMD 106577067 PTE 80000001026bb063 # [ 53.656052] Oops: 0011 [#6] SMP PTI # [ 53.659943] CPU: 3 PID: 1661 Comm: cat Tainted: G D W 5.10.128-cip11 #1 # [ 53.668580] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 53.675383] RIP:[ 60.419994] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW 0010:0xffff9fa8421f7e18 # [ 53.679759] Code: 00 00 18 7e 1f [ 60.428343] lkdtm: attempting good refcount_add() without overflow 42 a8 9f ff ff ad 6d 2f af ff ff ff ff 20 00 00 00 00 00 00 00 1[ 60.441464] lkdtm: attempting bad refcount_add() overflow e fe cb af ff ff ff ff d9 6e 2f af ff ff ff ff <0f> 1f 44 00 00 [ 60.453707] ------------[ cut here ]------------ c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 # [ 53.700[ 60.465079] refcount_t: saturated; leaking memory. 728] RSP: 0018:ffff9fa8421f7df8 EFLAGS: 00010246 # [ 53.70655[ 60.476670] WARNING: CPU: 1 PID: 2083 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 9] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 000000000000[ 60.492188] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 0000 # [ 53.714526] RDX: 0000000000000000 RSI: ffff962c3ad9bf[ 60.524846] CPU: 1 PID: 2083 Comm: cat Tainted: G D W 5.10.128-cip11 #1 70 RDI: ffff962c3ad9bf70 # [ 53.722492] RBP: ffff9fa8421f7e18[ 60.539690] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 60.552709] RIP: 0010:refcount_warn_saturate+0x49/0xf0 R08: 0000000000000000 R09: 0000000000000000 # [ 53.730457] R[ 60.558447] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 98 1d 76 01 00 75 f2 48 c7 c7 20 b9 c5 af c6 05 88 1d 76 01 01 e8 2d fc 92 00 <0f> 0b c3 80 3d 78 1d 76 01 00 75 d3 48 c7 c7 48 b9 c5 af c6 05 68 [ 60.585637] RSP: 0018:ffff9fa842887e48 EFLAGS: 00010286 10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b[ 60.591474] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 [ 60.605651] RDX: ffff962c3acac660 RSI: ffff962c3ac9bf70 RDI: ffff962c3ac9bf70 # [ 53.738425] R13: ffff9fa8421f7f10 R14: ffff9fa8421f7f10 R[ 60.613623] RBP: ffffffffafcbfec3 R08: 0000000000000000 R09: 0000000000000000 [ 60.627802] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 [ 60.635774] R13: ffff9fa842887f10 R14: ffff9fa842887f10 R15: ffff962bc2763000 [ 60.643747] FS: 00007f1f30653580(0000) GS:ffff962c3ac80000(0000) knlGS:0000000000000000 15: ffff962bc353a000 # [ 53.746392] FS: 00007f2ce4e34580(000[ 60.652789] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.665418] CR2: 00007f1f3046c000 CR3: 00000001040c6003 CR4: 00000000003706e0 [ 60.673391] Call Trace: 0) GS:ffff962c3ad80000(0000) knlGS:0000000000000000 # [ 53.75[ 60.676122] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa3 5426] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 5[ 60.687712] direct_entry.cold+0x2c/0x38 3.761839] CR2: ffff9fa8421f7e18 CR3: 0000000104fea003 CR4: 00000[ 60.698306] full_proxy_write+0x56/0x80 000003706e0 # [ 53.769805] Call Trace: # [ 53.772531] ? e[ 60.708805] vfs_write+0xea/0x390 [ 60.718718] ksys_write+0x68/0xe0 xecute_location+0x48/0x56 # [ 53.777005] ? lkdtm_EXEC_STACK+[ 60.722419] do_syscall_64+0x33/0x40 0x26/0x40 # [ 53.781467] ? direct_entry.cold+0x2c/0x38 # [ [ 60.732622] entry_SYSCALL_64_after_hwframe+0x44/0xa9 53.786038] ? full_proxy_write+0x56/0x80 # [ 53.790512] ? [ 60.744477] RIP: 0033:0x7f1f3057bf33 [ 60.754681] 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 vfs_write+0xea/0x390 # [ 53.794401] ? ksys_write+0x68/0xe0 [ 60.775663] RSP: 002b:00007ffca3513918 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 60.790330] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f1f3057bf33 [ 60.798301] RDX: 0000000000000016 RSI: 00007f1f3046c000 RDI: 0000000000000001 [ 60.806263] RBP: 00007f1f3046c000 R08: 00007f1f3046b010 R09: 0000000000000000 [ 60.814235] R10: 00007f1f306761c0 R11: 0000000000000246 R12: 0000000000000001 [ 60.822205] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 53.798290] ? do_syscall_64+0x33/0x40 # [ 53.802470] ?[ 60.830179] irq event stamp: 0 [ 60.839825] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 60.846827] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 53.808303] Modu[ 60.855981] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 60.871312] softirqs last disabled at (0): [<0000000000000000>] 0x0 les linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_co[ 60.878313] ---[ end trace 7d1a79d3f1134229 ]--- [ 60.889678] lkdtm: Overflow detected: saturated re industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 53.834750] CR2: ffff9fa8421f7e18 # [ 53.844657] ---[ end trace 7d1a79d3f113421d ]--- # [ 53.849809] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 53.854183] 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 # [ 53.875159] RSP: 0018:ffff9fa84138fe60 EFLAGS: 00010282 # [ 53.880992] RAX: ffffffffaecb1ae0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 53.888959] RDX: 0000000000000000 RSI: ffff962c3ad1bf70 RDI: ffffffffaf8d9a70 # [ 53.896938] RBP: ffffffffafd1b048 R08: 000000000[ 60.974701] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW [ 60.983126] lkdtm: attempting bad refcount_inc_not_zero() overflow [ 60.990058] ------------[ cut here ]------------ [ 60.995214] refcount_t: saturated; leaking memory. 0000001 R09: 0000000000000001 # [ 53.904904] R10: 00000000fff[ 61.000575] WARNING: CPU: 3 PID: 2115 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 fe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 53.9128[ 61.016107] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 61.048744] CPU: 3 PID: 2115 Comm: cat Tainted: G D W 5.10.128-cip11 #1 [ 61.057417] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 61.064245] RIP: 0010:refcount_warn_saturate+0x87/0xf0 72] R13: ffff9fa84138ff10 R14: ffff9fa84138ff10 R15: ffff962bc41[ 61.069995] Code: 05 68 1d 76 01 01 e8 0e fc 92 00 0f 0b c3 80 3d 5b 1d 76 01 00 75 b4 48 c7 c7 20 b9 c5 af c6 05 4b 1d 76 01 01 e8 ef fb 92 00 <0f> 0b c3 80 3d 39 1d 76 01 00 75 95 48 c7 c7 78 b9 c5 af c6 05 29 [ 61.097181] RSP: 0018:ffff9fa842957e38 EFLAGS: 00010282 [ 61.103015] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 [ 61.110992] RDX: ffff962c3adac660 RSI: ffff962c3ad9bf70 RDI: ffff962c3ad9bf70 [ 61.118961] RBP: ffffffffafcbfb00 R08: 0000000000000000 R09: 0000000000000000 [ 61.126950] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 61.134944] R13: ffff9fa842957f10 R14: ffff9fa842957f10 R15: ffff962bc29d3000 d9000 # [ 53.920838] FS: 00007f2ce4e34580(0000) GS:ffff962c3[ 61.142907] FS: 00007f166f200580(0000) GS:ffff962c3ad80000(0000) knlGS:0000000000000000 [ 61.158152] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.164569] CR2: 00007f166f019000 CR3: 0000000102762006 CR4: 00000000003706e0 [ 61.172539] Call Trace: [ 61.175268] __refcount_add_not_zero.constprop.0+0x2a/0x31 [ 61.181419] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x72 [ 61.187643] direct_entry.cold+0x2c/0x38 [ 61.192022] full_proxy_write+0x56/0x80 [ 61.196305] vfs_write+0xea/0x390 [ 61.200003] ksys_write+0x68/0xe0 [ 61.203704] do_syscall_64+0x33/0x40 [ 61.207695] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 61.213336] RIP: 0033:0x7f166f128f33 [ 61.217325] 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 [ 61.238303] RSP: 002b:00007ffe8d8ecd28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 61.246759] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f166f128f33 [ 61.254729] RDX: 000000000000001f RSI: 00007f166f019000 RDI: 0000000000000001 [ 61.262698] RBP: 00007f166f019000 R08: 00007f166f018010 R09: 0000000000000000 [ 61.270668] R10: 00007f166f2231c0 R11: 0000000000000246 R12: 0000000000000001 [ 61.278639] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ad80000(0000) knlGS:0000000000000000 # [ 53.929873] CS: 0010[ 61.286614] irq event stamp: 0 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 53.936285] CR2: [ 61.296229] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 61.309447] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 61.318584] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 61.327717] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 61.334717] ---[ end trace 7d1a79d3f113422a ]--- [ 61.339871] lkdtm: Overflow detected: saturated ffff9fa8421f7e18 CR3: 0000000104fea003 CR4: 00000000003706e0 # EXEC_STACK: saw 'call trace:': ok ok 31 selftests: lkdtm: EXEC_STACK.sh # selftests: lkdtm: EXEC_KMALLOC.sh # Killed # [ 54.041334] lkdtm: Performing direct entry EXEC_KMALLOC # [ 54.049601] lkdtm: attempting ok execution at ffffffffaecb1eb0 # [ 54.062315] lkdtm: attempting bad execution at ffff962bc3311c80 # [ 54.075167] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 54.089696] BUG: unable to handle page fault for address: ffff962bc3311c80 # [ 54.097371] #PF: supervisor instruction fetch in kernel mode # [ 54.103688] #PF: error_code(0x0011) - permissions violation # [ 54.109907] PGD 1fc01067 P4D 1fc01067 PUD 10084b063 PMD 102a32063 PTE 8000000103311163 # [ 54.118773] Oops: 0011 [#7] SMP PTI # [ 54.122662] CPU: 0 PID: 1697 Comm: cat Tainted: G D W 5.10.128-cip11 #1 # [ 54.131307] Hardware name: Google Rammus/[ 61.432694] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW [ 61.445759] lkdtm: attempting bad refcount_add_not_zero() overflow [ 61.452670] ------------[ cut here ]------------ [ 61.457830] refcount_t: saturated; leaking memory. [ 61.463206] WARNING: CPU: 3 PID: 2147 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 Rammus, BIOS 09/04/2020 # [ 54.138110] RIP: 0010:0xffff962bc[ 61.472546] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 61.505175] CPU: 3 PID: 2147 Comm: cat Tainted: G D W 5.10.128-cip11 #1 [ 61.513824] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 61.520628] RIP: 0010:refcount_warn_saturate+0x87/0xf0 [ 61.526364] Code: 05 68 1d 76 01 01 e8 0e fc 92 00 0f 0b c3 80 3d 5b 1d 76 01 00 75 b4 48 c7 c7 20 b9 c5 af c6 05 4b 1d 76 01 01 e8 ef fb 92 00 <0f> 0b c3 80 3d 39 1d 76 01 00 75 95 48 c7 c7 78 b9 c5 af c6 05 29 [ 61.547345] RSP: 0018:ffff9fa8429dfe38 EFLAGS: 00010282 [ 61.553178] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 3311c80 # [ 54.142483] Code: 00 00 02 00 00 00 00 00 00 00 80[ 61.561153] RDX: ffff962c3adac660 RSI: ffff962c3ad9bf70 RDI: ffff962c3ad9bf70 1a 31 c3 2b 96 ff ff 04 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 61.575339] RBP: ffffffffafcbfb20 R08: 0000000000000000 R09: 0000000000000000 [ 61.589520] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 61.597489] R13: ffff9fa8429dff10 R14: ffff9fa8429dff10 R15: ffff962bc37b9000 [ 61.605457] FS: 00007f03de12a580(0000) GS:ffff962c3ad80000(0000) knlGS:0000000000000000 [ 61.614495] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.620915] CR2: 00007f03ddf43000 CR3: 0000000103210006 CR4: 00000000003706e0 [ 61.628936] Call Trace: 00 00 bb b6 4f ae ff ff ff ff <0f> 1f 44 00 00 c3 66 2e 0f 1f 84[ 61.631673] __refcount_add_not_zero.constprop.0+0x2a/0x31 [ 61.644007] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x72 [ 61.650230] direct_entry.cold+0x2c/0x38 [ 61.654609] full_proxy_write+0x56/0x80 [ 61.658891] vfs_write+0xea/0x390 [ 61.662588] ksys_write+0x68/0xe0 [ 61.666287] do_syscall_64+0x33/0x40 [ 61.670276] entry_SYSCALL_64_after_hwframe+0x44/0xa9 00 00 00 00 00 0f 1f 44 00 00 55 # [ 54.163459] RSP: 0018:ff[ 61.675941] RIP: 0033:0x7f03de052f33 [ 61.686144] 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 [ 61.707123] RSP: 002b:00007ffceaa85c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 61.715580] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f03de052f33 [ 61.723549] RDX: 000000000000001f RSI: 00007f03ddf43000 RDI: 0000000000000001 [ 61.731519] RBP: 00007f03ddf43000 R08: 00007f03ddf42010 R09: 0000000000000000 [ 61.739489] R10: 00007f03de14d1c0 R11: 0000000000000246 R12: 0000000000000001 [ 61.747457] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 61.755419] irq event stamp: 0 [ 61.758826] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 61.765827] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 61.774962] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 61.784118] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 61.791117] ---[ end trace 7d1a79d3f113422b ]--- [ 61.796271] lkdtm: Overflow detected: saturated ff9fa84229fe38 EFLAGS: 00010246 # [ 54.169280] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 54.177246] RDX: 0000000000000000 RSI: ffff962c3ac1bf70 RDI: ffff962c3ac1bf70 # [ 54.185212] RBP: ffff962bc3311c80 R08: 0000000000000000 R09: 0000000000000000 # [ 54.193178] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 54.201144] R13: ffff9fa84229ff10 R14: ffff9fa84229ff10 R15: ffff962bc3e07000 # [ 54.209110] FS: 00007f8016c0b580(0000) GS:ffff962c3ac00000(0000) knlGS:0000000000000000 # [ 54.218144] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.224558] CR2: ffff962bc3311c80 CR3: 0000000104172002 CR4: 00000000003706f0 # [ 54.232524] Call Trace: # [ 54.235251] ? execute_location+0x48/0x56 # [ 54.239730] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 # [ 54.244396] ? direct_entry.cold+0x2c/0x38 # [ 54.248980] ? full_proxy_write+0x56/0x80 # [ 54.253461] ? vfs_write+0xea/0x390 # [ 54.257351] ? ksys_write+0x68/0xe0 # [ 54.261241] ? do_syscall_64+0x33/0x40 # [ 54.265422] ? entry_SYSCALL_[ 61.901685] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO 64_after_hwframe+0x44/0xa9 # [ 54.271255] Modules linked in: [ 61.913378] lkdtm: attempting good refcount_dec() fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio[ 61.924843] lkdtm: attempting bad refcount_dec() to zero _triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_[ 61.936991] ------------[ cut here ]------------ ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs x86_pk[ 61.948385] refcount_t: decrement hit 0; leaking memory. g_temp_thermal cros_ec_dev cros_usbpd_notify # [ 54.297685] C[ 61.960547] WARNING: CPU: 0 PID: 2179 at lib/refcount.c:31 refcount_warn_saturate+0xdf/0xf0 R2: ffff962bc3311c80 # [ 54.301372] ---[ end trace 7d1a79d3f1[ 61.976074] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 13421e ]--- # [ 54.306523] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ [ 62.008711] CPU: 0 PID: 2179 Comm: cat Tainted: G D W 5.10.128-cip11 #1 54.310899] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 [ 62.023566] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc c[ 62.036595] RIP: 0010:refcount_warn_saturate+0xdf/0xf0 c 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 [ 62.048538] Code: ff 48 c7 c7 d0 b9 c5 af c6 05 04 1d 76 01 01 e8 ad fb 92 00 0f 0b c3 48 c7 c7 a0 b9 c5 af c6 05 ef 1c 76 01 01 e8 97 fb 92 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 00 83 05 30 1a 70 02 # [ 54.331876] RSP: 0018:ffff9fa84138fe6[ 62.075741] RSP: 0018:ffff9fa842a67e48 EFLAGS: 00010286 0 EFLAGS: 00010282 # [ 54.337707] RAX: ffffffffaecb1ae0 RBX: [ 62.087751] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 0000000000000001 RCX: 0000000000000000 # [ 54.345674] RDX: 00[ 62.101964] RDX: ffff962c3ac2c660 RSI: ffff962c3ac1bf70 RDI: ffff962c3ac1bf70 00000000000000 RSI: ffff962c3ad1bf70 RDI: ffffffffaf8d9a70 # [ [ 62.116131] RBP: ffffffffafcbfed9 R08: 0000000000000000 R09: 0000000000000000 54.353638] RBP: ffffffffafd1b048 R08: 0000000000000001 R09: 00[ 62.130357] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 00000000000001 # [ 54.361606] R10: 00000000ffffe000 R11: 3fff[ 62.144528] R13: ffff9fa842a67f10 R14: ffff9fa842a67f10 R15: ffff962bc654e000 ffffffffffff R12: 0000000000000004 # [ 54.369572] R13: ffff9f[ 62.158749] FS: 00007f9be3f6b580(0000) GS:ffff962c3ac00000(0000) knlGS:0000000000000000 a84138ff10 R14: ffff9fa84138ff10 R15: ffff962bc41d9000 # [ 54[ 62.174030] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 .377538] FS: 00007f8016c0b580(0000) GS:ffff962c3ac00000(0000) k[ 62.186683] CR2: 00007f9be3d84000 CR3: 00000001058c8006 CR4: 00000000003706f0 nlGS:0000000000000000 # [ 54.386572] CS: 0010 DS: 0000 ES: 0[ 62.200880] Call Trace: 000 CR0: 0000000080050033 # [ 54.392986] CR2: ffff962bc3311c8[ 62.209847] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xb9 0 CR3: 0000000104172002 CR4: 00000000003706f0 # [ 54.400952] [ 62.221119] direct_entry.cold+0x2c/0x38 BUG: sleeping function called from invalid context at include/li[ 62.231651] full_proxy_write+0x56/0x80 nux/percpu-rwsem.h:49 # [ 54.410859] in_atomic(): 0, irqs_dis[ 62.242247] vfs_write+0xea/0x390 abled(): 1, non_block: 0, pid: 1697, name: cat # [ 54.419310][ 62.252078] ksys_write+0x68/0xe0 INFO: lockdep is turned off. # [ 54.423685] irq event stamp:[ 62.261988] do_syscall_64+0x33/0x40 0 # [ 54.427088] hardirqs last enabled at (0): [<0000000000[ 62.272180] entry_SYSCALL_64_after_hwframe+0x44/0xa9 000000>] 0x0 # [ 54.434087] hardirqs last disabled at (0): [<[ 62.284056] RIP: 0033:0x7f9be3e93f33 ffffffffae4f9f9c>] copy_process+0x63c/0x1c80 # [ 54.443220] s[ 62.294249] 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 oftirqs last enabled at (0): [] copy_process+[ 62.321477] RSP: 002b:00007ffff698af58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 0x63c/0x1c80 # [ 54.452352] softirqs last disabled at (0): [<[ 62.336127] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f9be3e93f33 0000000000000000>] 0x0 # [ 54.459348] CPU: 0 PID: 1697 Comm: [ 62.350329] RDX: 0000000000000012 RSI: 00007f9be3d84000 RDI: 0000000000000001 cat Tainted: G D W 5.10.128-cip11 #1 # [ 54.4679[ 62.364499] RBP: 00007f9be3d84000 R08: 00007f9be3d83010 R09: 0000000000000000 86] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ [ 62.378702] R10: 00007f9be3f8e1c0 R11: 0000000000000246 R12: 0000000000000001 54.474788] Call Trace: # [ 54.477516] dump_stack+0x77/0x97[ 62.392872] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 54.481216] ___might_sleep.cold+0xa6/0xb6 # [ 54.48578[ 62.407074] irq event stamp: 0 7] exit_signals+0x1c/0x2d0 # [ 54.489775] do_exit+0xd5/0xb0[ 62.416679] hardirqs last enabled at (0): [<0000000000000000>] 0x0 0 # [ 54.493268] ? ksys_write+0x68/0xe0 # [ 54.497159] r[ 62.429917] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 ewind_stack_do_exit+0x17/0x20 # [ 54.501816] RIP: 0033:0x7f80[ 62.445247] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 16b33f33 # [ 54.505802] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 0[ 62.460621] softirqs last disabled at (0): [<0000000000000000>] 0x0 2 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85[ 62.473817] ---[ end trace 7d1a79d3f113422c ]--- c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1[ 62.485197] lkdtm: Zero detected: saturated f 40 00 48 83 ec 28 48 89 54 24 18 # [ 54.526781] RSP: 002b:00007ffc12af6d88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 54.535234] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f8016b33f33 # [ 54.543200] RDX: 000000000000000d RSI: 00007f8016a24000 RDI: 0000000000000001 # [ 54.551166] RBP: 00007f8016a24000 R08: 00007f8016a23010 R09: 0000000000000000 # [ 54.559133] R10: 00007f8016c2e1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 54.567099] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_KMALLOC: saw 'call trace:': ok ok 32 selftests: lkdtm: EXEC_KMALLOC.sh # selftests: lkdtm: EXEC_VMALLOC.sh # Killed # [ 54.660577] lkdtm: Performing direct entry EXEC_VMALLOC # [ 54.667938] lkdtm: attempting ok execution at ffffffffaecb1eb0 # [ 54.674468] lkdtm: attempting bad execution at ffff9fa8406bf000 # [ 54.687290] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 54.695676] BUG: unable to handle page fault for address: ffff9fa8406bf000 # [ 54.703351] #PF: supervisor instruction f[ 62.599975] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE etch in kernel mode # [ 54.709668] #PF: error_code(0x0011) - [ 62.608431] lkdtm: attempting bad refcount_dec() below zero permissions violation # [ 54.715887] PGD 100000067 P4D 100000[ 62.620870] ------------[ cut here ]------------ 067 PUD 100210067 PMD 105a5e067 PTE 80000001059e0063 # [ 54.7[ 62.632239] refcount_t: decrement hit 0; leaking memory. 24938] Oops: 0011 [#8] SMP PTI # [ 54.728827] CPU: 3 PID: 173[ 62.644417] WARNING: CPU: 1 PID: 2214 at lib/refcount.c:31 refcount_warn_saturate+0xdf/0xf0 3 Comm: cat Tainted: G D W 5.10.128-cip11 #1 # [ [ 62.659943] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 54.737475] Hardware name: Google Rammus/Rammus, BIOS 09/04/202[ 62.692580] CPU: 1 PID: 2214 Comm: cat Tainted: G D W 5.10.128-cip11 #1 0 # [ 54.744278] RIP: 0010:0xffff9fa8406bf000 # [ 54.74864[ 62.707443] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 6] Code: Unable to access opcode bytes at RIP 0xffff9fa8406befd6[ 62.720468] RIP: 0010:refcount_warn_saturate+0xdf/0xf0 . # [ 54.756312] RSP: 0018:ffff9fa842337e38 EFLAGS: 00010246[ 62.732422] Code: ff 48 c7 c7 d0 b9 c5 af c6 05 04 1d 76 01 01 e8 ad fb 92 00 0f 0b c3 48 c7 c7 a0 b9 c5 af c6 05 ef 1c 76 01 01 e8 97 fb 92 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 # [ 54.762143] RAX: 0000000000000033 RBX: 0000000000000001 RC[ 62.759622] RSP: 0018:ffff9fa842ae7e48 EFLAGS: 00010286 X: 0000000000000000 # [ 54.770110] RDX: 0000000000000000 RSI:[ 62.771676] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 ffff962c3ad9bf70 RDI: ffff962c3ad9bf70 # [ 54.778077] RBP: f[ 62.785862] RDX: ffff962c3acac660 RSI: ffff962c3ac9bf70 RDI: ffff962c3ac9bf70 fff9fa8406bf000 R08: 0000000000000000 R09: 0000000000000000 # [[ 62.800049] RBP: ffffffffafcbfeeb R08: 0000000000000000 R09: 0000000000000000 [ 62.814234] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 54.786043] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0[ 62.822209] R13: ffff9fa842ae7f10 R14: ffff9fa842ae7f10 R15: ffff962bc3300000 00000000000000d # [ 54.794010] R13: ffff9fa842337f10 R14: fff[ 62.836412] FS: 00007f02d78b3580(0000) GS:ffff962c3ac80000(0000) knlGS:0000000000000000 f9fa842337f10 R15: ffff962bc59e0000 # [ 54.801992] FS: 00007[ 62.851647] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.864278] CR2: 00007f02d76cc000 CR3: 000000010599c004 CR4: 00000000003706e0 [ 62.872251] Call Trace: fe39e908580(0000) GS:ffff962c3ad80000(0000) knlGS:00000000000000[ 62.875002] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x5d 00 # [ 54.811025] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080[ 62.886567] direct_entry.cold+0x2c/0x38 050033 # [ 54.817438] CR2: ffff9fa8406befd6 CR3: 0000000105b1[ 62.897186] full_proxy_write+0x56/0x80 [ 62.907682] vfs_write+0xea/0x390 a006 CR4: 00000000003706e0 # [ 54.825404] Call Trace: # [ [ 62.911406] ksys_write+0x68/0xe0 [ 62.921315] do_syscall_64+0x33/0x40 54.828132] ? execute_location+0x48/0x56 # [ 54.832605] ? lk[ 62.925307] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 62.937156] RIP: 0033:0x7f02d77dbf33 dtm_EXEC_VMALLOC+0x20/0x30 # [ 54.837271] ? direct_entry.col[ 62.941172] 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 d+0x2c/0x38 # [ 54.841842] ? full_proxy_write+0x56/0x80 # [[ 62.968366] RSP: 002b:00007ffd2b595c48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 62.983036] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f02d77dbf33 54.846306] ? vfs_write+0xea/0x390 # [ 54.850187] ? ksys_[ 62.991007] RDX: 0000000000000016 RSI: 00007f02d76cc000 RDI: 0000000000000001 [ 63.005189] RBP: 00007f02d76cc000 R08: 00007f02d76cb010 R09: 0000000000000000 [ 63.013161] R10: 00007f02d78d61c0 R11: 0000000000000246 R12: 0000000000000001 [ 63.021132] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 write+0x68/0xe0 # [ 54.854078] ? do_syscall_64+0x33/0x40 # [ 63.029108] irq event stamp: 0 [ 63.038730] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 54.858251] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ [ 63.045735] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 54.864083] Modules linked in: fuse ip_tables cros_ec_sensors c[ 63.061081] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 63.076431] softirqs last disabled at (0): [<0000000000000000>] 0x0 ros_ec_sensors_core industrialio_triggered_buffer kfifo_buf indu[ 63.083432] ---[ end trace 7d1a79d3f113422d ]--- [ 63.094798] lkdtm: Negative detected: saturated strialio cros_ec_sensorhub cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 54.890524] CR2: ffff9fa8406bf000 # [ 54.900432] ---[ end trace 7d1a79d3f113421f ]--- # [ 54.905575] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 54.909952] 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 # [ 54.930938] RSP: 0018:ffff9fa84138fe60 EFLAGS: 00010282 # [ 54.936771] RAX: ffffffffaecb1ae0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 54.944736] RDX: 0000000000000000 RSI: ffff962c3ad1bf70 RDI: ffffffffaf8d9a70 # [ 54.952704] RBP: ffffffffafd1b048 R08: 0000000000000001 R09: 0000000000000001 # [ 54.960671] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 54.968638] R13: ffff9fa84138ff10 R14: ffff9fa84138ff10 R15: ffff962bc41d9000 # [ 54.976605] FS: 00007fe39e908580(0[ 63.195089] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE 000) GS:ffff962c3ad80000(0000) knlGS:0000000000000000 # [ 54.[ 63.206889] lkdtm: attempting bad refcount_dec_and_test() below zero 985641] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ [ 63.220226] ------------[ cut here ]------------ 54.992055] CR2: ffff9fa8406befd6 CR3: 0000000105b1a006 CR4: 000[ 63.231591] refcount_t: underflow; use-after-free. 00000003706e0 # EXEC_VMALLOC: saw 'call trace:': ok ok 33 self[ 63.243163] WARNING: CPU: 0 PID: 2249 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 tests: lkdtm: EXEC_VMALLOC.sh # selftests: lkdtm: EXEC_RODATA.s[ 63.258715] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify h # Killed # [ 55.187637] lkdtm: Performing direct entry EXE[ 63.291372] CPU: 0 PID: 2249 Comm: cat Tainted: G D W 5.10.128-cip11 #1 C_RODATA # [ 55.198538] lkdtm: attempting ok execution at fff[ 63.306224] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 fffffaecb1eb0 # [ 55.211260] lkdtm: attempting bad execution [ 63.319290] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 at ffffffffaf8d9f00 # [ 55.224087] kernel tried to execute NX[ 63.331232] Code: 05 4b 1d 76 01 01 e8 ef fb 92 00 0f 0b c3 80 3d 39 1d 76 01 00 75 95 48 c7 c7 78 b9 c5 af c6 05 29 1d 76 01 01 e8 d0 fb 92 00 <0f> 0b c3 80 3d 18 1d 76 01 00 0f 85 72 ff ff ff 48 c7 c7 d0 b9 c5 -protected page - exploit attempt? (uid: 0) # [ 55.238655] BU[ 63.358484] RSP: 0018:ffff9fa842b4fe40 EFLAGS: 00010286 G: unable to handle page fault for address: ffffffffaf8d9f00 # [ 63.370577] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 [ 55.246331] #PF: supervisor instruction fetch in kernel mode[ 63.384752] RDX: ffff962c3ac2c660 RSI: ffff962c3ac1bf70 RDI: ffff962c3ac1bf70 # [ 55.252646] #PF: error_code(0x0011) - permissions violatio[ 63.398964] RBP: ffffffffafcbfb40 R08: 0000000000000000 R09: 0000000000000000 n # [ 55.258866] PGD 1e629067 P4D 1e629067 PUD 1e62a063 PMD 8[ 63.413127] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f 00000001e0000e1 # [ 55.266351] Oops: 0011 [#9] SMP PTI # [ [ 63.427341] R13: ffff9fa842b4ff10 R14: ffff9fa842b4ff10 R15: ffff962bc4ff5000 55.270240] CPU: 1 PID: 1769 Comm: cat Tainted: G D W [ 63.441504] FS: 00007f98f6cae580(0000) GS:ffff962c3ac00000(0000) knlGS:0000000000000000 5.10.128-cip11 #1 # [ 55.278885] Hardware name: Google Ra[ 63.456767] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 mmus/Rammus, BIOS 09/04/2020 # [ 55.285689] RIP: 0010:lkdtm_[ 63.469402] CR2: 00007f98f6ac7000 CR3: 0000000104dc4004 CR4: 00000000003706f0 rodata_do_nothing+0x0/0x10 # [ 55.291425] Code: ff ff d9 82 2[ 63.483602] Call Trace: f af ff ff ff ff 6a 00 cc af ff ff ff ff 8f 6a 2f af ff ff ff ff[ 63.492550] __refcount_sub_and_test.constprop.0+0x34/0x40 55 aa 55 aa 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0[ 63.504887] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x74 0 00 00 00 00 00 00 00 00 00 00 00 54 68 69 73 20 69 # [ 55.3[ 63.517310] direct_entry.cold+0x2c/0x38 18614] RSP: 0018:ffff9fa8423dfe48 EFLAGS: 00010246 # [ 55.324[ 63.527947] full_proxy_write+0x56/0x80 436] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000[ 63.538423] vfs_write+0xea/0x390 000000 # [ 55.332403] RDX: 0000000000000000 RSI: ffff962c3ac9[ 63.548356] ksys_write+0x68/0xe0 bf70 RDI: ffff962c3ac9bf70 # [ 55.340369] RBP: ffffffffaf8d9f[ 63.558278] do_syscall_64+0x33/0x40 00 R08: 0000000000000000 R09: 0000000000000000 # [ 55.348336][ 63.568481] entry_SYSCALL_64_after_hwframe+0x44/0xa9 R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000000000[ 63.580319] RIP: 0033:0x7f98f6bd6f33 0c # [ 55.356303] R13: ffff9fa8423dff10 R14: ffff9fa8423dff10[ 63.590524] 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 R15: ffff962bc34d6000 # [ 55.364268] FS: 00007f6056622580(0[ 63.617722] RSP: 002b:00007fff68ceb988 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 000) GS:ffff962c3ac80000(0000) knlGS:0000000000000000 # [ 55.[ 63.632395] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f98f6bd6f33 [ 63.646568] RDX: 000000000000001f RSI: 00007f98f6ac7000 RDI: 0000000000000001 373302] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ [ 63.654551] RBP: 00007f98f6ac7000 R08: 00007f98f6ac6010 R09: 0000000000000000 55.379715] CR2: ffffffffaf8d9f00 CR3: 000000010277a004 CR4: 000[ 63.668750] R10: 00007f98f6cd11c0 R11: 0000000000000246 R12: 0000000000000001 00000003706e0 # [ 55.387682] Call Trace: # [ 55.390409] ?[ 63.682947] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 execute_location+0x48/0x56 # [ 55.394884] ? direct_entry.co[ 63.697155] irq event stamp: 0 ld+0x2c/0x38 # [ 55.405665] ? full_proxy_write+0x56/0x80 # [ 63.706742] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 55.410141] ? vfs_write+0xea/0x390 # [ 55.420243] ? ksys[ 63.720021] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 _write+0x68/0xe0 # [ 55.424134] ? do_syscall_64+0x33/0x40 #[ 63.735353] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 55.428315] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [[ 63.750710] softirqs last disabled at (0): [<0000000000000000>] 0x0 55.434139] Modules linked in: fuse ip_tables cros_ec_sensors [ 63.763910] ---[ end trace 7d1a79d3f113422e ]--- cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf ind[ 63.775304] lkdtm: Negative detected: saturated ustrialio cros_ec_sensorhub cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 55.466769] CR2: ffffffffaf8d9f00 # [ 55.470465] ---[ end trace 7d1a79d3f1134220 ]--- # [ 55.475618] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 55.479989] 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 # [ 55.500963] RSP: 0018:ffff9fa84138fe60 EFLAGS: 00010282 # [ 55.506816] RAX: ffffffffaecb1ae0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 55.514784] RDX: 0000000000000000 RSI: ffff962c3ad1bf70 RDI: ffffffffaf8d9a70 # [ 55.522752] RBP: ffffffffafd1b048 R08: 0000000000000001 R09: 0000000000000001 # [ 55.530718[ 63.865979] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE ] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000[ 63.875006] lkdtm: attempting bad refcount_sub_and_test() below zero 004 # [ 55.538685] R13: ffff9fa84138ff10 R14: ffff9fa84138ff1[ 63.888316] ------------[ cut here ]------------ 0 R15: ffff962bc41d9000 # [ 55.546652] FS: 00007f6056622580([ 63.899672] refcount_t: underflow; use-after-free. 0000) GS:ffff962c3ac80000(0000) knlGS:0000000000000000 # [ 55[ 63.911289] WARNING: CPU: 0 PID: 2284 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 .555685] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ [ 63.926845] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 55.562098] CR2: ffffffffaf8d9f00 CR3: 000000010277a004 CR4: 00[ 63.959471] CPU: 0 PID: 2284 Comm: cat Tainted: G D W 5.10.128-cip11 #1 000000003706e0 # [ 55.570064] BUG: sleeping function called f[ 63.974372] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 rom invalid context at include/linux/percpu-rwsem.h:49 # [ 55[ 63.987362] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 .579986] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: [ 63.999345] Code: 05 4b 1d 76 01 01 e8 ef fb 92 00 0f 0b c3 80 3d 39 1d 76 01 00 75 95 48 c7 c7 78 b9 c5 af c6 05 29 1d 76 01 01 e8 d0 fb 92 00 <0f> 0b c3 80 3d 18 1d 76 01 00 0f 85 72 ff ff ff 48 c7 c7 d0 b9 c5 1769, name: cat # [ 55.588436] INFO: lockdep is turned off. [ 64.026526] RSP: 0018:ffff9fa842ba7e40 EFLAGS: 00010286 # [ 55.592811] irq event stamp: 0 # [ 55.596216] hardirqs l[ 64.038615] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 ast enabled at (0): [<0000000000000000>] 0x0 # [ 55.603216] [ 64.052762] RDX: ffff962c3ac2c660 RSI: ffff962c3ac1bf70 RDI: ffff962c3ac1bf70 hardirqs last disabled at (0): [] copy_process[ 64.066987] RBP: ffffffffafcbfb60 R08: 0000000000000000 R09: 0000000000000000 +0x63c/0x1c80 # [ 55.612354] softirqs last enabled at (0): [[ 64.081153] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f ] copy_process+0x63c/0x1c80 # [ 55.621488] [ 64.095349] R13: ffff9fa842ba7f10 R14: ffff9fa842ba7f10 R15: ffff962bc26e8000 softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 5[ 64.109531] FS: 00007ff1782db580(0000) GS:ffff962c3ac00000(0000) knlGS:0000000000000000 5.634697] CPU: 1 PID: 1769 Comm: cat Tainted: G D W [ 64.124799] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 5.10.128-cip11 #1 # [ 55.643333] Hardware name: Google Rammu[ 64.137427] CR2: 00007ff1780f4000 CR3: 0000000102baa004 CR4: 00000000003706f0 s/Rammus, BIOS 09/04/2020 # [ 55.650134] Call Trace: # [ [ 64.151616] Call Trace: 55.652862] dump_stack+0x77/0x97 # [ 55.656560] ___might_sle[ 64.160563] __refcount_sub_and_test.constprop.0+0x34/0x40 ep.cold+0xa6/0xb6 # [ 55.661129] exit_signals+0x1c/0x2d0 # [ 64.172938] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x77 [ 55.665116] do_exit+0xd5/0xb00 # [ 55.668610] ? ksys_wri[ 64.185349] direct_entry.cold+0x2c/0x38 te+0x68/0xe0 # [ 55.672491] rewind_stack_do_exit+0x17/0x20 [ 64.196015] full_proxy_write+0x56/0x80 # [ 55.677156] RIP: 0033:0x7f605654af33 # [ 55.681142] Code[ 64.206465] vfs_write+0xea/0x390 : 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f[ 64.216392] ksys_write+0x68/0xe0 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 [ 64.226302] do_syscall_64+0x33/0x40 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24[ 64.236518] entry_SYSCALL_64_after_hwframe+0x44/0xa9 18 # [ 55.702119] RSP: 002b:00007fff2d125248 EFLAGS: 0000024[ 64.248360] RIP: 0033:0x7ff178203f33 6 ORIG_RAX: 0000000000000001 # [ 55.710572] RAX: ffffffffffff[ 64.258587] 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 ffda RBX: 000000000000000c RCX: 00007f605654af33 # [ 55.71854[ 64.285772] RSP: 002b:00007ffcf0a2fb98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 0] RDX: 000000000000000c RSI: 00007f605643b000 RDI: 000000000000[ 64.300478] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007ff178203f33 0001 # [ 55.726506] RBP: 00007f605643b000 R08: 00007f605643a0[ 64.314652] RDX: 000000000000001f RSI: 00007ff1780f4000 RDI: 0000000000000001 10 R09: 0000000000000000 # [ 55.734473] R10: 00007f60566451c0[ 64.328877] RBP: 00007ff1780f4000 R08: 00007ff1780f3010 R09: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 # [ 55.742440] R[ 64.343044] R10: 00007ff1782fe1c0 R11: 0000000000000246 R12: 0000000000000001 13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000[ 64.357258] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_RODATA: saw 'call trace:': ok ok 34 selftests: lkdtm: [ 64.371433] irq event stamp: 0 EXEC_RODATA.sh # selftests: lkdtm: EXEC_USERSPACE.sh # Killed[ 64.381055] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 55.850290] lkdtm: Performing direct entry EXEC_USERSPACE[ 64.394281] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 55.862187] lkdtm: attempting ok execution at ffffffffaecb[ 64.409657] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 1eb0 # [ 55.874944] lkdtm: attempting bad execution at 00007f[ 64.425024] softirqs last disabled at (0): [<0000000000000000>] 0x0 32d96a8000 # [ 55.887721] unable to execute userspace code (S[ 64.438243] ---[ end trace 7d1a79d3f113422f ]--- MEP?) (uid: 0) # [ 55.900339] BUG: unable to handle page faul[ 64.449630] lkdtm: Negative detected: saturated t for address: 00007f32d96a8000 # [ 55.908014] #PF: supervisor instruction fetch in kernel mode # [ 55.914330] #PF: error_code(0x0011) - permissions violation # [ 55.920550] PGD 80000001026bb067 P4D 80000001026bb067 PUD 104ff5067 PMD 1033b3067 PTE 10726b067 # [ 55.930269] Oops: 0011 [#10] SMP PTI # [ 55.940470] CPU: 1 PID: 1805 Comm: cat Tainted: G D W 5.10.128-cip11 #1 # [ 55.949117] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 55.955940] RIP: 0010:0x7f32d96a8000 # [ 55.959937] Code: Unable to access opcode bytes at RIP 0x7f32d96a7fd6. # [ 55.967223] RSP: 0018:ffff9fa84245fe50 EFLAGS: 00010246 # [ 55.973056] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 # [ 55.981022] RDX: 0000000000000000 RSI: ffff962c3ac9bf70 RDI: ffff962c3ac9bf70 # [ 55.988991] RBP: 00007f32d96a8000 R08: 0000000000000000 R09: 0000000000000000 # [ 55.996948] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f # [ 56.004937] R13: ffff9fa842[ 64.556511] lkdtm: Performing direct entry REFCOUNT_INC_ZERO [ 64.566633] lkdtm: attempting safe refcount_inc_not_zero() from zero [ 64.573740] lkdtm: Good: zero detected [ 64.577935] lkdtm: Correctly stayed at zero [ 64.582610] lkdtm: attempting bad refcount_inc() from zero [ 64.588737] ------------[ cut here ]------------ [ 64.593892] refcount_t: addition on 0; use-after-free. [ 64.599658] WARNING: CPU: 2 PID: 2316 at lib/refcount.c:25 refcount_warn_saturate+0x68/0xf0 45ff10 R14: ffff9fa84245ff10 R15: ffff962bc26a9000 # [ 56.012[ 64.608999] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 64.641638] CPU: 2 PID: 2316 Comm: cat Tainted: G D W 5.10.128-cip11 #1 [ 64.650321] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 64.657131] RIP: 0010:refcount_warn_saturate+0x68/0xf0 [ 64.662871] Code: 05 88 1d 76 01 01 e8 2d fc 92 00 0f 0b c3 80 3d 78 1d 76 01 00 75 d3 48 c7 c7 48 b9 c5 af c6 05 68 1d 76 01 01 e8 0e fc 92 00 <0f> 0b c3 80 3d 5b 1d 76 01 00 75 b4 48 c7 c7 20 b9 c5 af c6 05 4b [ 64.683861] RSP: 0018:ffff9fa842c7fe48 EFLAGS: 00010286 [ 64.689720] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 [ 64.697693] RDX: ffff962c3ad2c660 RSI: ffff962c3ad1bf70 RDI: ffff962c3ad1bf70 [ 64.705668] RBP: ffffffffafcbff01 R08: 0000000000000000 R09: 0000000000000000 [ 64.713639] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 64.721611] R13: ffff9fa842c7ff10 R14: ffff9fa842c7ff10 R15: ffff962bc652b000 [ 64.729586] FS: 00007f28ac70a580(0000) GS:ffff962c3ad00000(0000) knlGS:0000000000000000 905] FS: 00007f32d9679580(0000) GS:ffff962c3ac80000(0000) knlGS[ 64.738629] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 :0000000000000000 # [ 56.021940] CS: 0010 DS: 0000 ES: 0000 [ 64.751261] CR2: 00007f28ac523000 CR3: 0000000104b0e003 CR4: 00000000003706e0 CR0: 0000000080050033 # [ 56.028354] CR2: 00007f32d96a8000 CR[ 64.765447] Call Trace: 3: 00000001032a4003 CR4: 00000000003706e0 # [ 56.036321] Call[ 64.774392] lkdtm_REFCOUNT_INC_ZERO+0x99/0xbd [ 64.785567] direct_entry.cold+0x2c/0x38 [ 64.789992] full_proxy_write+0x56/0x80 [ 64.794275] vfs_write+0xea/0x390 [ 64.797974] ksys_write+0x68/0xe0 [ 64.801693] do_syscall_64+0x33/0x40 [ 64.805684] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 64.811325] RIP: 0033:0x7f28ac632f33 [ 64.815315] 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 [ 64.836300] RSP: 002b:00007ffe6ef6b1a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 Trace: # [ 56.039050] ? lkdtm_EXEC_USERSPACE.cold+0x69/0xae[ 64.844788] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f28ac632f33 [ 64.858967] RDX: 0000000000000012 RSI: 00007f28ac523000 RDI: 0000000000000001 [ 64.866943] RBP: 00007f28ac523000 R08: 00007f28ac522010 R09: 0000000000000000 [ 64.874935] R10: 00007f28ac72d1c0 R11: 0000000000000246 R12: 0000000000000001 [ 64.882909] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 64.890882] irq event stamp: 0 [ 64.894289] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 64.901291] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 64.910427] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 64.919563] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 64.926562] ---[ end trace 7d1a79d3f1134230 ]--- [ 64.931716] lkdtm: Zero detected: saturated # [ 56.044398] ? direct_entry.cold+0x2c/0x38 # [ 56.055179] ? full_proxy_write+0x56/0x80 # [ 56.059653] ? vfs_write+0xea/0x390 # [ 56.063543] ? ksys_write+0x68/0xe0 # [ 56.067432] ? do_syscall_64+0x33/0x40 # [ 56.071614] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 56.077438] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 56.110069] CR2: 00007f32d96a8000 # [ 56.113758] ---[ end trace 7d1a79d3f1134221 ]--- # [ 56.118916] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 56.123293] 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 [ 65.018865] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO 44 00 00 83 05 30 1a 70 02 # [ 56.150483] RSP: 0018:ffff9fa84[ 65.029759] lkdtm: attempting safe refcount_add_not_zero() from zero 138fe60 EFLAGS: 00010282 # [ 56.156316] RAX: ffffffffaecb1ae0[ 65.043074] lkdtm: Good: zero detected RBX: 0000000000000001 RCX: 0000000000000000 # [ 56.164275] R[ 65.053472] lkdtm: Correctly stayed at zero DX: 0000000000000000 RSI: ffff962c3ad1bf70 RDI: ffffffffaf8d9a70[ 65.064356] lkdtm: attempting bad refcount_add() from zero # [ 56.172242] RBP: ffffffffafd1b048 R08: 0000000000000001 R[ 65.076698] ------------[ cut here ]------------ 09: 0000000000000001 # [ 56.180209] R10: 00000000ffffe000 R11[ 65.088070] refcount_t: addition on 0; use-after-free. : 3fffffffffffffff R12: 0000000000000004 # [ 56.188176] R13: [ 65.100055] WARNING: CPU: 1 PID: 2348 at lib/refcount.c:25 refcount_warn_saturate+0x68/0xf0 ffff9fa84138ff10 R14: ffff9fa84138ff10 R15: ffff962bc41d9000 # [ 65.115593] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 56.196144] FS: 00007f32d9679580(0000) GS:ffff962c3ac80000(0[ 65.148212] CPU: 1 PID: 2348 Comm: cat Tainted: G D W 5.10.128-cip11 #1 000) knlGS:0000000000000000 # [ 56.205180] CS: 0010 DS: 0000[ 65.163078] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 ES: 0000 CR0: 0000000080050033 # [ 56.211596] CR2: 00007f32d[ 65.176105] RIP: 0010:refcount_warn_saturate+0x68/0xf0 96a8000 CR3: 00000001032a4003 CR4: 00000000003706e0 # EXEC_USER[ 65.188062] Code: 05 88 1d 76 01 01 e8 2d fc 92 00 0f 0b c3 80 3d 78 1d 76 01 00 75 d3 48 c7 c7 48 b9 c5 af c6 05 68 1d 76 01 01 e8 0e fc 92 00 <0f> 0b c3 80 3d 5b 1d 76 01 00 75 b4 48 c7 c7 20 b9 c5 af c6 05 4b SPACE: saw 'call trace:': ok ok 35 selftests: lkdtm: EXEC_USERS[ 65.215264] RSP: 0018:ffff9fa842cefe48 EFLAGS: 00010286 PACE.sh # selftests: lkdtm: EXEC_NULL.sh # Killed # [ 56.32[ 65.227317] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 0745] lkdtm: Performing direct entry EXEC_NULL # [ 56.330777][ 65.241506] RDX: ffff962c3acac660 RSI: ffff962c3ac9bf70 RDI: ffff962c3ac9bf70 lkdtm: attempting ok execution at ffffffffaecb1eb0 # [ 56.33[ 65.255694] RBP: ffffffffafcbff13 R08: 0000000000000000 R09: 0000000000000000 7299] lkdtm: attempting bad execution at 0000000000000000 # [ [ 65.269882] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 56.343916] BUG: kernel NULL pointer dereference, address: 00000[ 65.284072] R13: ffff9fa842ceff10 R14: ffff9fa842ceff10 R15: ffff962bc264b000 00000000000 # [ 56.351697] #PF: supervisor instruction fetch [ 65.298261] FS: 00007fb483216580(0000) GS:ffff962c3ac80000(0000) knlGS:0000000000000000 in kernel mode # [ 56.358016] #PF: error_code(0x0010) - not-p[ 65.313518] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 resent page # [ 56.363750] PGD 0 P4D 0 # [ 56.366575] Oop[ 65.326154] CR2: 00007fb48302f000 CR3: 000000010333e002 CR4: 00000000003706e0 s: 0010 [#11] SMP PTI # [ 56.370564] CPU: 3 PID: 1841 Comm: c[ 65.340345] Call Trace: at Tainted: G D W 5.10.128-cip11 #1 # [ 56.37921[ 65.349294] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xbd 1] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ [ 65.360470] direct_entry.cold+0x2c/0x38 56.386014] RIP: 0010:0x0 # [ 56.388940] Code: Unable to acces[ 65.371066] full_proxy_write+0x56/0x80 s opcode bytes at RIP 0xffffffffffffffd6. # [ 56.396616] RSP:[ 65.381565] vfs_write+0xea/0x390 0018:ffff9fa8424efe48 EFLAGS: 00010246 # [ 56.402447] RAX: 0[ 65.391481] ksys_write+0x68/0xe0 000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 # [[ 65.401398] do_syscall_64+0x33/0x40 56.410414] RDX: 0000000000000000 RSI: ffff962c3ad9bf70 RDI: f[ 65.411606] entry_SYSCALL_64_after_hwframe+0x44/0xa9 fff962c3ad9bf70 # [ 56.418380] RBP: 0000000000000000 R08: 000[ 65.423466] RIP: 0033:0x7fb48313ef33 0000000000000 R09: 0000000000000000 # [ 56.426347] R10: 00000[ 65.433674] 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 000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 5[ 65.460882] RSP: 002b:00007ffe1230dad8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 6.434312] R13: ffff9fa8424eff10 R14: ffff9fa8424eff10 R15: ffff9[ 65.475559] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fb48313ef33 62bc4fdf000 # [ 56.442278] FS: 00007f5b7c087580(0000) GS:fff[ 65.489749] RDX: 0000000000000012 RSI: 00007fb48302f000 RDI: 0000000000000001 f962c3ad80000(0000) knlGS:0000000000000000 # [ 56.451313] CS:[ 65.503942] RBP: 00007fb48302f000 R08: 00007fb48302e010 R09: 0000000000000000 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.457726][ 65.518133] R10: 00007fb4832391c0 R11: 0000000000000246 R12: 0000000000000001 CR2: ffffffffffffffd6 CR3: 0000000105a72005 CR4: 00000000003706[ 65.532326] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 e0 # [ 56.465692] Call Trace: # [ 56.468418] execute_loca[ 65.546522] irq event stamp: 0 tion+0x48/0x56 # [ 56.472698] direct_entry.cold+0x2c/0x38 #[ 65.556147] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 56.477075] full_proxy_write+0x56/0x80 # [ 56.481354] v[ 65.569371] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 fs_write+0xea/0x390 # [ 56.485049] ksys_write+0x68/0xe0 # [[ 65.584728] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 56.488746] do_syscall_64+0x33/0x40 # [ 56.492725] entry_[ 65.600085] softirqs last disabled at (0): [<0000000000000000>] 0x0 SYSCALL_64_after_hwframe+0x44/0xa9 # [ 56.498354] RIP: 0033:0[ 65.613305] ---[ end trace 7d1a79d3f1134231 ]--- x7f5b7bfaff33 # [ 56.502341] Code: 8b 15 61 ef 0c 00 f7 d8 64[ 65.624680] lkdtm: Zero detected: saturated 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 56.523319] RSP: 002b:00007ffe11392c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 56.531772] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f5b7bfaff33 # [ 56.539739] RDX: 000000000000000a RSI: 00007f5b7bea0000 RDI: 0000000000000001 # [ 56.547706] RBP: 00007f5b7bea0000 R08: 00007f5b7be9f010 R09: 0000000000000000 # [ 56.555672] R10: 00007f5b7c0aa1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 56.563637] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 56.571606] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 56.598055] CR2: 0000000000000000 # [ 56.607961] ---[ end trace [ 65.730049] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED 7d1a79d3f1134222 ]--- # [ 56.613115] RIP: 0010:lkdtm_BUG+0x5/[ 65.741819] lkdtm: attempting bad refcount_inc() from saturated 0x10 # [ 56.617491] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2[ 65.754649] ------------[ cut here ]------------ [ 65.766019] refcount_t: saturated; leaking memory. 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc [ 65.771400] WARNING: CPU: 1 PID: 2383 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f[ 65.786913] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 1f 44 00 00 83 05 30 1a 70 02 # [ 56.638468] RSP: 0018:ffff9[ 65.819583] CPU: 1 PID: 2383 Comm: cat Tainted: G D W 5.10.128-cip11 #1 [ 65.834474] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 fa84138fe60 EFLAGS: 00010282 # [ 56.644300] RAX: ffffffffaecb[ 65.841285] RIP: 0010:refcount_warn_saturate+0x49/0xf0 1ae0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 56.65226[ 65.853237] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 98 1d 76 01 00 75 f2 48 c7 c7 20 b9 c5 af c6 05 88 1d 76 01 01 e8 2d fc 92 00 <0f> 0b c3 80 3d 78 1d 76 01 00 75 d3 48 c7 c7 48 b9 c5 af c6 05 68 [ 65.880441] RSP: 0018:ffff9fa842d5fe48 EFLAGS: 00010286 8] RDX: 0000000000000000 RSI: ffff962c3ad1bf70 RDI: ffffffffaf8d[ 65.886302] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 9a70 # [ 56.660236] RBP: ffffffffafd1b048 R08: 00000000000000[ 65.900488] RDX: ffff962c3acac660 RSI: ffff962c3ac9bf70 RDI: ffff962c3ac9bf70 01 R09: 0000000000000001 # [ 56.668202] R10: 00000000ffffe000[ 65.914677] RBP: ffffffffafcbff25 R08: 0000000000000000 R09: 0000000000000000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 56.676170] R[ 65.928866] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 13: ffff9fa84138ff10 R14: ffff9fa84138ff10 R15: ffff962bc41d9000[ 65.943055] R13: ffff9fa842d5ff10 R14: ffff9fa842d5ff10 R15: ffff962bc40f6000 # [ 56.684137] FS: 00007f5b7c087580(0000) GS:ffff962c3ad800[ 65.957272] FS: 00007fb544fae580(0000) GS:ffff962c3ac80000(0000) knlGS:0000000000000000 00(0000) knlGS:0000000000000000 # [ 56.693171] CS: 0010 DS: [ 65.972507] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 0000 ES: 0000 CR0: 0000000080050033 # [ 56.699585] CR2: fffff[ 65.985137] CR2: 00007fb544dc7000 CR3: 0000000104036003 CR4: 00000000003706e0 fffffffffd6 CR3: 0000000105a72005 CR4: 00000000003706e0 # [ 5[ 65.999325] Call Trace: 6.707552] BUG: sleeping function called from invalid context at [ 66.008274] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x60 include/linux/percpu-rwsem.h:49 # [ 56.717460] in_atomic(): 0[ 66.019948] direct_entry.cold+0x2c/0x38 , irqs_disabled(): 1, non_block: 0, pid: 1841, name: cat # [ [ 66.030542] full_proxy_write+0x56/0x80 56.725929] INFO: lockdep is turned off. # [ 56.730312] irq ev[ 66.041041] vfs_write+0xea/0x390 ent stamp: 0 # [ 56.739938] hardirqs last enabled at (0): [<[ 66.050956] ksys_write+0x68/0xe0 0000000000000000>] 0x0 # [ 56.746951] hardirqs last disabled [ 66.060872] do_syscall_64+0x33/0x40 at (0): [] copy_process+0x63c/0x1c80 # [ 56[ 66.071080] entry_SYSCALL_64_after_hwframe+0x44/0xa9 .756083] softirqs last enabled at (0): [] cop[ 66.082953] RIP: 0033:0x7fb544ed6f33 y_process+0x63c/0x1c80 # [ 56.765216] softirqs last disabled [ 66.093158] 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 at (0): [<0000000000000000>] 0x0 # [ 56.772214] CPU: 3 PID: 1[ 66.120360] RSP: 002b:00007ffd2a05ebe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 841 Comm: cat Tainted: G D W 5.10.128-cip11 #1 # [[ 66.135036] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fb544ed6f33 56.780851] Hardware name: Google Rammus/Rammus, BIOS 09/04/2[ 66.149226] RDX: 0000000000000017 RSI: 00007fb544dc7000 RDI: 0000000000000001 020 # [ 56.787654] Call Trace: # [ 56.790379] dump_stack+[ 66.163413] RBP: 00007fb544dc7000 R08: 00007fb544dc6010 R09: 0000000000000000 0x77/0x97 # [ 56.794066] ___might_sleep.cold+0xa6/0xb6 # [ [ 66.177603] R10: 00007fb544fd11c0 R11: 0000000000000246 R12: 0000000000000001 56.798636] exit_signals+0x1c/0x2d0 # [ 56.802623] do_exit[ 66.191793] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 +0xd5/0xb00 # [ 56.806124] ? ksys_write+0x68/0xe0 # [ 56.[ 66.205995] irq event stamp: 0 810014] rewind_stack_do_exit+0x17/0x20 # [ 56.814681] RIP: 0[ 66.215617] hardirqs last enabled at (0): [<0000000000000000>] 0x0 033:0x7f5b7bfaff33 # [ 56.818668] Code: 8b 15 61 ef 0c 00 f7 [ 66.228836] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 0[ 66.244189] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 0 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 [ 66.259544] softirqs last disabled at (0): [<0000000000000000>] 0x0 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 56.839645] R[ 66.272762] ---[ end trace 7d1a79d3f1134232 ]--- SP: 002b:00007ffe11392c68 EFLAGS: 00000246 ORIG_RAX: 00000000000[ 66.284136] lkdtm: Saturation detected: still saturated 00001 # [ 56.848099] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f5b7bfaff33 # [ 56.856066] RDX: 000000000000000a RSI: 00007f5b7bea0000 RDI: 0000000000000001 # [ 56.864033] RBP: 00007f5b7bea0000 R08: 00007f5b7be9f010 R09: 0000000000000000 # [ 56.871999] R10: 00007f5b7c0aa1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 56.879966] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_NULL: saw 'call trace:': ok ok 36 selftests: lkdtm: EXEC_NULL.sh # selftests: lkdtm: ACCESS_USERSPACE.sh # Killed # [ 57.044211] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 57.056048] lkdtm: attempting bad read at 00007f38a8960000 # [ 57.068398] BUG: unable to handle page fault for address: 00007f38a8960000 # [ 57.082266] #PF: supervisor read access in kernel mode # [ 57.088000] #PF: error_code(0x0001) - permissions violation # [ 57.094218] PGD 8000000102b7b067 P4D 8000000102b7b067 PUD 104e8d067 PMD 103312067 PTE 1170c9067 # [ 57.103939] Oops: 0001 [#12] SMP PTI # [ 57.107926] CPU: 0 PID: 1876 Comm: cat Tainted:[ 66.396386] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED [ 66.408659] lkdtm: attempting bad refcount_dec() from saturated [ 66.415277] ------------[ cut here ]------------ [ 66.420432] refcount_t: decrement hit 0; leaking memory. [ 66.426393] WARNING: CPU: 3 PID: 2418 at lib/refcount.c:31 refcount_warn_saturate+0xdf/0xf0 G D W 5.10.128-cip11 #1 # [ 57.116573] Hardware[ 66.435732] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 66.468371] CPU: 3 PID: 2418 Comm: cat Tainted: G D W 5.10.128-cip11 #1 [ 66.477052] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 66.483863] RIP: 0010:refcount_warn_saturate+0xdf/0xf0 [ 66.489634] Code: ff 48 c7 c7 d0 b9 c5 af c6 05 04 1d 76 01 01 e8 ad fb 92 00 0f 0b c3 48 c7 c7 a0 b9 c5 af c6 05 ef 1c 76 01 01 e8 97 fb 92 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 [ 66.510645] RSP: 0018:ffff9fa842dd7e48 EFLAGS: 00010286 name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 57.123379] [ 66.516495] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 [ 66.530675] RDX: ffff962c3adac660 RSI: ffff962c3ad9bf70 RDI: ffff962c3ad9bf70 [ 66.538647] RBP: ffffffffafcbff3c R08: 0000000000000000 R09: 0000000000000000 [ 66.546622] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 66.554594] R13: ffff9fa842dd7f10 R14: ffff9fa842dd7f10 R15: ffff962bc373c000 [ 66.562566] FS: 00007f08e386c580(0000) GS:ffff962c3ad80000(0000) knlGS:0000000000000000 [ 66.571607] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.578027] CR2: 00007f08e3685000 CR3: 00000001040ec002 CR4: 00000000003706e0 [ 66.586002] Call Trace: [ 66.588735] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5b [ 66.594214] direct_entry.cold+0x2c/0x38 [ 66.598597] full_proxy_write+0x56/0x80 [ 66.602887] vfs_write+0xea/0x390 [ 66.606588] ksys_write+0x68/0xe0 [ 66.610289] do_syscall_64+0x33/0x40 [ 66.614283] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 66.619946] RIP: 0033:0x7f08e3794f33 RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x3d/0x9f # [ 57.129604[ 66.623940] 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 [ 66.651134] RSP: 002b:00007ffde76c2248 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 66.659595] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f08e3794f33 [ 66.667568] RDX: 0000000000000017 RSI: 00007f08e3685000 RDI: 0000000000000001 [ 66.675542] RBP: 00007f08e3685000 R08: 00007f08e3684010 R09: 0000000000000000 [ 66.683516] R10: 00007f08e388f1c0 R11: 0000000000000246 R12: 0000000000000001 [ 66.691491] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 66.699468] irq event stamp: 0 [ 66.702906] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 66.709913] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 66.719073] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 66.728211] softirqs last disabled at (0): [<0000000000000000>] 0x0 ] Code: 2b 04 25 28 00 00 00 75 60 48 83 c4 10 5d c3 48 89 ee 48[ 66.735214] ---[ end trace 7d1a79d3f1134233 ]--- [ 66.746586] lkdtm: Saturation detected: still saturated c7 c7 88 0d cc af e8 73 9d fd ff 48 c7 c7 b0 0d cc af b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 5a 9d fd ff 48 89 ee 48 c7 c7 d8 0d cc # [ 57.150570] RSP: 0018:ffff9fa842547e48 EFLAGS: 00010246 # [ 57.156402] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 # [ 57.164367] RDX: 0000000000000000 RSI: ffff962c3ac1bf70 RDI: ffffffffafcc0db0 # [ 57.172335] RBP: 00007f38a8960000 R08: 0000000000000000 R09: 0000000000000000 # [ 57.180300] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 # [ 57.188267] R13: ffff9fa842547f10 R14: ffff9fa842547f10 R15: ffff962bc6553000 # [ 57.196233] FS: 00007f38a8931580(0000) GS:ffff962c3ac00000(0000) knlGS:0000000000000000 # [ 57.205268] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.211683] CR2: 00007f38a8960000 CR3: 000000010275c001 CR4: 00000000003706f0 # [ 57.219649] Call Trace: # [ 57.222376] direct_entry.cold+0x2c/0x38 # [ 57.226760[ 66.841693] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED ] full_proxy_write+0x56/0x80 # [ 57.231044] vfs_write+0xea/[ 66.852474] lkdtm: attempting bad refcount_dec() from saturated 0x390 # [ 57.234740] ksys_write+0x68/0xe0 # [ 57.238428] [ 66.865295] ------------[ cut here ]------------ do_syscall_64+0x33/0x40 # [ 57.242415] entry_SYSCALL_64_aft[ 66.876651] refcount_t: saturated; leaking memory. er_hwframe+0x44/0xa9 # [ 57.248045] RIP: 0033:0x7f38a8859f33[ 66.888270] WARNING: CPU: 0 PID: 2453 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 # [ 57.252022] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c[ 66.903828] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14[ 66.936471] CPU: 0 PID: 2453 Comm: cat Tainted: G D W 5.10.128-cip11 #1 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 4[ 66.951322] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 8 83 ec 28 48 89 54 24 18 # [ 57.272999] RSP: 002b:00007ffe46[ 66.964387] RIP: 0010:refcount_warn_saturate+0x49/0xf0 085e28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 57.281[ 66.976303] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 98 1d 76 01 00 75 f2 48 c7 c7 20 b9 c5 af c6 05 88 1d 76 01 01 e8 2d fc 92 00 <0f> 0b c3 80 3d 78 1d 76 01 00 75 d3 48 c7 c7 48 b9 c5 af c6 05 68 442] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f38a8[ 67.003569] RSP: 0018:ffff9fa842e57e48 EFLAGS: 00010286 859f33 # [ 57.289409] RDX: 0000000000000011 RSI: 00007f38a874[ 67.015608] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 a000 RDI: 0000000000000001 # [ 57.297376] RBP: 00007f38a874a0[ 67.029818] RDX: ffff962c3ac2c660 RSI: ffff962c3ac1bf70 RDI: ffff962c3ac1bf70 00 R08: 00007f38a8749010 R09: 0000000000000000 # [ 57.305343][ 67.044039] RBP: ffffffffafcbff53 R08: 0000000000000000 R09: 0000000000000000 R10: 00007f38a89541c0 R11: 0000000000000246 R12: 00000000000000[ 67.058198] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 01 # [ 57.313308] R13: 0000000000000001 R14: 0000000000020000[ 67.072422] R13: ffff9fa842e57f10 R14: ffff9fa842e57f10 R15: ffff962bc591b000 R15: 0000000000020000 # [ 57.321278] Modules linked in: fuse[ 67.086592] FS: 00007ff56c3c3580(0000) GS:ffff962c3ac00000(0000) knlGS:0000000000000000 ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_tri[ 67.101899] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 ggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_c[ 67.114497] CR2: 00007ff56c1dc000 CR3: 0000000104d9c004 CR4: 00000000003706f0 hardev cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs x86_pkg_te[ 67.128688] Call Trace: mp_thermal cros_ec_dev cros_usbpd_notify # [ 57.347710] CR2: [ 67.137654] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x60 00007f38a8960000 # [ 57.351405] ---[ end trace 7d1a79d3f11342[ 67.149320] direct_entry.cold+0x2c/0x38 23 ]--- # [ 57.356558] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 57[ 67.159920] full_proxy_write+0x56/0x80 .360933] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea f[ 67.170385] vfs_write+0xea/0x390 f ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f[ 67.180345] ksys_write+0x68/0xe0 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 8[ 67.190266] do_syscall_64+0x33/0x40 3 05 30 1a 70 02 # [ 57.381899] RSP: 0018:ffff9fa84138fe60 EF[ 67.200474] entry_SYSCALL_64_after_hwframe+0x44/0xa9 LAGS: 00010282 # [ 57.387730] RAX: ffffffffaecb1ae0 RBX: 0000[ 67.212324] RIP: 0033:0x7ff56c2ebf33 000000000001 RCX: 0000000000000000 # [ 57.395696] RDX: 000000[ 67.222513] 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 0000000000 RSI: ffff962c3ad1bf70 RDI: ffffffffaf8d9a70 # [ 57[ 67.249719] RSP: 002b:00007fffe3136cd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 .403663] RBP: ffffffffafd1b048 R08: 0000000000000001 R09: 000000[ 67.264382] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007ff56c2ebf33 0000000001 # [ 57.411630] R10: 00000000ffffe000 R11: 3fffffff[ 67.278559] RDX: 0000000000000017 RSI: 00007ff56c1dc000 RDI: 0000000000000001 ffffffff R12: 0000000000000004 # [ 57.419596] R13: ffff9fa841[ 67.292773] RBP: 00007ff56c1dc000 R08: 00007ff56c1db010 R09: 0000000000000000 38ff10 R14: ffff9fa84138ff10 R15: ffff962bc41d9000 # [ 57.427[ 67.306957] R10: 00007ff56c3e61c0 R11: 0000000000000246 R12: 0000000000000001 566] FS: 00007f38a8931580(0000) GS:ffff962c3ac00000(0000) knlGS[ 67.321152] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 :0000000000000000 # [ 57.436593] CS: 0010 DS: 0000 ES: 0000 [ 67.335345] irq event stamp: 0 CR0: 0000000080050033 # [ 57.443005] CR2: 00007f38a8960000 CR[ 67.344980] hardirqs last enabled at (0): [<0000000000000000>] 0x0 3: 000000010275c001 CR4: 00000000003706f0 # ACCESS_USERSPACE: s[ 67.358197] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 aw 'call trace:': ok ok 37 selftests: lkdtm: ACCESS_USERSPACE.s[ 67.373541] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 h # selftests: lkdtm: ACCESS_NULL.sh # Killed # [ 57.537967[ 67.388917] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 67.402121] ---[ end trace 7d1a79d3f1134234 ]--- ] lkdtm: Performing direct entry ACCESS_NULL # [ 57.549960] l[ 67.407306] lkdtm: Saturation detected: still saturated kdtm: attempting bad read at 0000000000000000 # [ 57.556100] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 57.563871] #PF: supervisor read access in kernel mode # [ 57.569605] #PF: error_code(0x0000) - not-present page # [ 57.575338] PGD 0 P4D 0 # [ 57.578163] Oops: 0000 [#13] SMP PTI # [ 57.582141] CPU: 3 PID: 1911 Comm: cat Tainted: G D W 5.10.128-cip11 #1 # [ 57.590787] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 57.597592] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 # [ 57.602842] Code: 17 9d fd ff be 00 10 00 00 48 89 ef e8 74 db 3f ff e9 6d ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 88 0d cc af e8 f1 9c fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 b0 0d cc af 48 01 # [ 57.623810] RSP: 0018:ffff9fa8425ffe58 EFLAGS: 00010246 # [ 57.629632] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 # [ 57.637599] RDX: 0000000000000000 RSI: ffff962c3ad9bf70 RDI: ffff962c3ad9bf70 # [ 57.645565] RBP: ffffffffafcbfe79 R08: 0000000000000000 R09: 0000000000000000 # [ 57.653[ 67.521821] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED 531] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000[ 67.532873] lkdtm: attempting bad refcount_inc_not_zero() from saturated 00000c # [ 57.661498] R13: ffff9fa8425fff10 R14: ffff9fa8425f[ 67.546584] ------------[ cut here ]------------ ff10 R15: ffff962bc4dfb000 # [ 57.669466] FS: 00007fc7996e65[ 67.557948] refcount_t: saturated; leaking memory. 80(0000) GS:ffff962c3ad80000(0000) knlGS:0000000000000000 # [ [ 67.569522] WARNING: CPU: 0 PID: 2485 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 57.678500] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 #[ 67.585107] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 57.684930] CR2: 0000000000000000 CR3: 000000010599c006 CR4:[ 67.617714] CPU: 0 PID: 2485 Comm: cat Tainted: G D W 5.10.128-cip11 #1 00000000003706e0 # [ 57.692907] Call Trace: # [ 57.701846[ 67.632611] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 ] direct_entry.cold+0x2c/0x38 # [ 57.706224] full_proxy_wri[ 67.645616] RIP: 0010:refcount_warn_saturate+0x87/0xf0 te+0x56/0x80 # [ 57.710503] vfs_write+0xea/0x390 # [ 57.7[ 67.657638] Code: 05 68 1d 76 01 01 e8 0e fc 92 00 0f 0b c3 80 3d 5b 1d 76 01 00 75 b4 48 c7 c7 20 b9 c5 af c6 05 4b 1d 76 01 01 e8 ef fb 92 00 <0f> 0b c3 80 3d 39 1d 76 01 00 75 95 48 c7 c7 78 b9 c5 af c6 05 29 14198] ksys_write+0x68/0xe0 # [ 57.717894] do_syscall_64+0x[ 67.684777] RSP: 0018:ffff9fa842eefe38 EFLAGS: 00010282 33/0x40 # [ 57.721882] entry_SYSCALL_64_after_hwframe+0x44/0[ 67.696839] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 xa9 # [ 57.727521] RIP: 0033:0x7fc79960ef33 # [ 57.731500][ 67.711033] RDX: ffff962c3ac2c660 RSI: ffff962c3ac1bf70 RDI: ffff962c3ac1bf70 Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb [ 67.725228] RBP: ffffffffafcbfb80 R08: 0000000000000000 R09: 0000000000000000 b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0[ 67.739423] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 [ 67.753633] R13: ffff9fa842eeff10 R14: ffff9fa842eeff10 R15: ffff962bc2bad000 54 24 18 # [ 57.752471] RSP: 002b:00007ffd1827a9d8 EFLAGS: 00[ 67.767811] FS: 00007f0b5e404580(0000) GS:ffff962c3ac00000(0000) knlGS:0000000000000000 000246 ORIG_RAX: 0000000000000001 # [ 57.760924] RAX: fffffff[ 67.783082] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 fffffffda RBX: 000000000000000c RCX: 00007fc79960ef33 # [ 57.[ 67.795711] CR2: 00007f0b5e21d000 CR3: 0000000102ac8006 CR4: 00000000003706f0 768891] RDX: 000000000000000c RSI: 00007fc7994ff000 RDI: 0000000[ 67.809908] Call Trace: 000000001 # [ 57.776858] RBP: 00007fc7994ff000 R08: 00007fc79[ 67.818864] __refcount_add_not_zero.constprop.0+0x2a/0x31 94fe010 R09: 0000000000000000 # [ 57.784826] R10: 00007fc7997[ 67.831209] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x72 091c0 R11: 0000000000000246 R12: 0000000000000001 # [ 57.7927[ 67.843742] direct_entry.cold+0x2c/0x38 92] R13: 0000000000000001 R14: 0000000000020000 R15: 00000000000[ 67.854350] full_proxy_write+0x56/0x80 20000 # [ 57.800760] Modules linked in: fuse ip_tables cros_e[ 67.864844] vfs_write+0xea/0x390 c_sensors cros_ec_sensors_core industrialio_triggered_buffer kfi[ 67.874788] ksys_write+0x68/0xe0 fo_buf industrialio cros_ec_sensorhub cros_ec_chardev cros_ec_li[ 67.884706] do_syscall_64+0x33/0x40 ghtbar cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_e[ 67.894915] entry_SYSCALL_64_after_hwframe+0x44/0xa9 c_dev cros_usbpd_notify # [ 57.827211] CR2: 0000000000000000[ 67.906746] RIP: 0033:0x7f0b5e32cf33 # [ 57.837117] ---[ end trace 7d1a79d3f1134224 ]--- # [ 57[ 67.916984] 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 .842269] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 57.846644] Code: 5b[ 67.944157] RSP: 002b:00007ffc5f816d38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 [ 67.958838] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f0b5e32cf33 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f>[ 67.973025] RDX: 0000000000000020 RSI: 00007f0b5e21d000 RDI: 0000000000000001 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 1a 70 02[ 67.987232] RBP: 00007f0b5e21d000 R08: 00007f0b5e21c010 R09: 0000000000000000 # [ 57.867622] RSP: 0018:ffff9fa84138fe60 EFLAGS: 00010282 #[ 68.001410] R10: 00007f0b5e4271c0 R11: 0000000000000246 R12: 0000000000000001 [ 57.873454] RAX: ffffffffaecb1ae0 RBX: 0000000000000001 RCX:[ 68.015627] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0000000000000000 # [ 57.881421] RDX: 0000000000000000 RSI: f[ 68.029808] irq event stamp: 0 fff962c3ad1bf70 RDI: ffffffffaf8d9a70 # [ 57.889387] RBP: fff[ 68.039437] hardirqs last enabled at (0): [<0000000000000000>] 0x0 fffffafd1b048 R08: 0000000000000001 R09: 0000000000000001 # [ [ 68.052652] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 57.897354] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000[ 68.068026] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 0000000000004 # [ 57.905320] R13: ffff9fa84138ff10 R14: ffff9[ 68.083369] softirqs last disabled at (0): [<0000000000000000>] 0x0 fa84138ff10 R15: ffff962bc41d9000 # [ 57.913286] FS: 00007fc[ 68.096595] ---[ end trace 7d1a79d3f1134235 ]--- 7996e6580(0000) GS:ffff962c3ad80000(0000) knlGS:0000000000000000[ 68.107966] lkdtm: Saturation detected: still saturated # [ 57.922320] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.928732] CR2: 0000000000000000 CR3: 000000010599c006 CR4: 00000000003706e0 # ACCESS_NULL: saw 'call trace:': ok ok 38 selftests: lkdtm: ACCESS_NULL.sh # selftests: lkdtm: WRITE_RO.sh # Killed # [ 58.011349] lkdtm: Performing direct entry WRITE_RO # [ 58.023012] lkdtm: attempting bad rodata write at ffffffffaf8d9ef0 # [ 58.036153] BUG: unable to handle page fault for address: ffffffffaf8d9ef0 # [ 58.050002] #PF: supervisor write access in kernel mode # [ 58.055824] #PF: error_code(0x0003) - permissions violation # [ 58.062043] PGD 1e629067 P4D 1e629067 PUD 1e62a063 PMD 800000001e0000e1 # [ 58.069533] Oops: 0003 [#14] SMP PTI # [ 58.073521] CPU: 0 PID: 1946 Comm: cat Tainted: G D W 5.10.128-cip11 #1 # [ 58.082166] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 58.088971] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a # [ 5[ 68.209263] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED [ 68.220947] lkdtm: attempting bad refcount_add_not_zero() from saturated 8.093932] Code: 00 48 c7 c7 68 0c cc af 48 c7 c6 f0 9e 8d af e8 [ 68.228451] ------------[ cut here ]------------ [ 68.239806] refcount_t: saturated; leaking memory. [ 68.245185] WARNING: CPU: 3 PID: 2517 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 93 9f fd ff 48 8b 05 16 31 5e 00 ba 34 12 cd ab 48 c7 c7 98 0c c[ 68.254527] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 68.287161] CPU: 3 PID: 2517 Comm: cat Tainted: G D W 5.10.128-cip11 #1 [ 68.295814] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 68.302623] RIP: 0010:refcount_warn_saturate+0x87/0xf0 [ 68.308365] Code: 05 68 1d 76 01 01 e8 0e fc 92 00 0f 0b c3 80 3d 5b 1d 76 01 00 75 b4 48 c7 c7 20 b9 c5 af c6 05 4b 1d 76 01 01 e8 ef fb 92 00 <0f> 0b c3 80 3d 39 1d 76 01 00 75 95 48 c7 c7 78 b9 c5 af c6 05 29 [ 68.329350] RSP: 0018:ffff9fa842f47e38 EFLAGS: 00010282 [ 68.335190] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 [ 68.343163] RDX: ffff962c3adac660 RSI: ffff962c3ad9bf70 RDI: ffff962c3ad9bf70 [ 68.351139] RBP: ffffffffafcbfba0 R08: 0000000000000000 R09: 0000000000000000 [ 68.359112] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 68.367086] R13: ffff9fa842f47f10 R14: ffff9fa842f47f10 R15: ffff962bc3570000 [ 68.375059] FS: 00007fcb98f06580(0000) GS:ffff962c3ad80000(0000) knlGS:0000000000000000 [ 68.384098] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 c af 48 31 d0 <48> 89 05 00 31 5e 00 e9 71 9f fd ff 0f 1f 44 00 [ 68.390509] CR2: 00007fcb98d1f000 CR3: 0000000104f36001 CR4: 00000000003706e0 00 48 8b 05 27 55 # [ 58.114909] RSP: 0018:ffff9fa842687e60 E[ 68.404695] Call Trace: FLAGS: 00010202 # [ 58.120731] RAX: 000000000198b861 RBX: 000[ 68.413641] __refcount_add_not_zero.constprop.0+0x2a/0x31 0000000000028 RCX: 0000000000000000 # [ 58.128698] RDX: 00000[ 68.425988] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x72 [ 68.438525] direct_entry.cold+0x2c/0x38 [ 68.442909] full_proxy_write+0x56/0x80 [ 68.447221] vfs_write+0xea/0x390 [ 68.450942] ksys_write+0x68/0xe0 000abcd1234 RSI: ffff962c3ac1bf70 RDI: ffffffffafcc0c98 # [ 5[ 68.454644] do_syscall_64+0x33/0x40 [ 68.464845] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 68.470508] RIP: 0033:0x7fcb98e2ef33 8.136665] RBP: ffffffffafcbfe85 R08: 0000000000000000 R09: 00000[ 68.474509] 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 [ 68.501697] RSP: 002b:00007ffe640af178 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 68.510153] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fcb98e2ef33 [ 68.518121] RDX: 0000000000000020 RSI: 00007fcb98d1f000 RDI: 0000000000000001 [ 68.526082] RBP: 00007fcb98d1f000 R08: 00007fcb98d1e010 R09: 0000000000000000 [ 68.534050] R10: 00007fcb98f291c0 R11: 0000000000000246 R12: 0000000000000001 [ 68.542019] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 68.549994] irq event stamp: 0 [ 68.553400] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 68.560402] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 68.569538] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 68.578673] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 68.585671] ---[ end trace 7d1a79d3f1134236 ]--- [ 68.590824] lkdtm: Saturation detected: still saturated 00000000000 # [ 58.144632] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 # [ 58.152600] R13: ffff9fa842687f10 R14: ffff9fa842687f10 R15: ffff962bc2650000 # [ 58.160567] FS: 00007f84ec378580(0000) GS:ffff962c3ac00000(0000) knlGS:0000000000000000 # [ 58.169592] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 58.176005] CR2: ffffffffaf8d9ef0 CR3: 00000001040e2001 CR4: 00000000003706f0 # [ 58.183970] Call Trace: # [ 58.186696] direct_entry.cold+0x2c/0x38 # [ 58.191073] full_proxy_write+0x56/0x80 # [ 58.195358] vfs_write+0xea/0x390 # [ 58.199054] ksys_write+0x68/0xe0 # [ 58.202751] do_syscall_64+0x33/0x40 # [ 58.206738] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 58.212376] RIP: 0033:0x7f84ec2a0f33 # [ 58.216353] 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[ 68.688310] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED 40 00 48 83 ec 28 48 89 54 24 18 # [ 58.237330] RSP: 002b:00[ 68.697605] lkdtm: attempting bad refcount_dec_and_test() from saturated 007ffce81b4668 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ [ 68.711304] ------------[ cut here ]------------ 58.245773] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00[ 68.722674] refcount_t: underflow; use-after-free. 007f84ec2a0f33 # [ 58.253740] RDX: 0000000000000009 RSI: 0000[ 68.734253] WARNING: CPU: 1 PID: 2552 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 7f84ec191000 RDI: 0000000000000001 # [ 58.261707] RBP: 00007f[ 68.749788] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 84ec191000 R08: 00007f84ec190010 R09: 0000000000000000 # [ 58[ 68.782452] CPU: 1 PID: 2552 Comm: cat Tainted: G D W 5.10.128-cip11 #1 .269673] R10: 00007f84ec39b1c0 R11: 0000000000000246 R12: 000000[ 68.797298] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 0000000001 # [ 58.277639] R13: 0000000000000001 R14: 00000000[ 68.810320] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 [ 68.822275] Code: 05 4b 1d 76 01 01 e8 ef fb 92 00 0f 0b c3 80 3d 39 1d 76 01 00 75 95 48 c7 c7 78 b9 c5 af c6 05 29 1d 76 01 01 e8 d0 fb 92 00 <0f> 0b c3 80 3d 18 1d 76 01 00 0f 85 72 ff ff ff 48 c7 c7 d0 b9 c5 00020000 R15: 0000000000020000 # [ 58.285607] Modules linked [ 68.843285] RSP: 0018:ffff9fa842fefe40 EFLAGS: 00010286 [ 68.855330] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industri[ 68.863301] RDX: ffff962c3acac660 RSI: ffff962c3ac9bf70 RDI: ffff962c3ac9bf70 [ 68.877481] RBP: ffffffffafcbfbc0 R08: 0000000000000000 R09: 0000000000000000 [ 68.885455] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 alio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub c[ 68.893428] R13: ffff9fa842feff10 R14: ffff9fa842feff10 R15: ffff962bc4f8f000 [ 68.907613] FS: 00007f08334c4580(0000) GS:ffff962c3ac80000(0000) knlGS:0000000000000000 ros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs x8[ 68.916657] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.929286] CR2: 00007f08332dd000 CR3: 000000010005c002 CR4: 00000000003706e0 6_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 58.31203[ 68.937260] Call Trace: 7] CR2: ffffffffaf8d9ef0 # [ 58.315734] ---[ end trace 7d1a79[ 68.946202] __refcount_sub_and_test.constprop.0+0x34/0x40 d3f1134225 ]--- # [ 58.320887] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 68.958546] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x72 # [ 58.325262] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7[ 68.971084] direct_entry.cold+0x2c/0x38 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc [ 68.981679] full_proxy_write+0x56/0x80 cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44[ 68.992176] vfs_write+0xea/0x390 00 00 83 05 30 1a 70 02 # [ 58.346237] RSP: 0018:ffff9fa8413[ 69.002096] ksys_write+0x68/0xe0 8fe60 EFLAGS: 00010282 # [ 58.352069] RAX: ffffffffaecb1ae0 R[ 69.012010] do_syscall_64+0x33/0x40 BX: 0000000000000001 RCX: 0000000000000000 # [ 58.360035] RDX[ 69.022217] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 69.034074] RIP: 0033:0x7f08333ecf33 : 0000000000000000 RSI: ffff962c3ad1bf70 RDI: ffffffffaf8d9a70 [ 69.038065] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 69.065261] RSP: 002b:00007ffd6007aab8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 58.368000] RBP: ffffffffafd1b048 R08: 0000000000000001 R09[ 69.073721] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f08333ecf33 [ 69.087908] RDX: 0000000000000020 RSI: 00007f08332dd000 RDI: 0000000000000001 : 0000000000000001 # [ 58.375966] R10: 00000000ffffe000 R11: [ 69.095883] RBP: 00007f08332dd000 R08: 00007f08332dc010 R09: 0000000000000000 [ 69.110069] R10: 00007f08334e71c0 R11: 0000000000000246 R12: 0000000000000001 3fffffffffffffff R12: 0000000000000004 # [ 58.383933] R13: ff[ 69.118047] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ff9fa84138ff10 R14: ffff9fa84138ff10 R15: ffff962bc41d9000 # [ [ 69.132236] irq event stamp: 0 [ 69.141862] hardirqs last enabled at (0): [<0000000000000000>] 0x0 58.391899] FS: 00007f84ec378580(0000) GS:ffff962c3ac00000(000[ 69.148870] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 0) knlGS:0000000000000000 # [ 58.400933] CS: 0010 DS: 0000 E[ 69.164218] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 69.179574] softirqs last disabled at (0): [<0000000000000000>] 0x0 S: 0000 CR0: 0000000080050033 # [ 58.407347] CR2: ffffffffaf8[ 69.186579] ---[ end trace 7d1a79d3f1134237 ]--- [ 69.197947] lkdtm: Saturation detected: still saturated d9ef0 CR3: 00000001040e2001 CR4: 00000000003706f0 # [ 58.415314] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 58.425223] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1946, name: cat # [ 58.433675] INFO: lockdep is turned off. # [ 58.438050] irq event stamp: 0 # [ 58.441453] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 58.448451] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 58.457584] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 58.466715] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 58.473710] CPU: 0 PID: 1946 Comm: cat Tainted: G D W 5.10.128-cip11 #1 # [ 58.482356] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 58.489157] Call Trace: # [ 58.491883] dump_stack+0x77/0x97 # [ 58.495586] ___might_sleep.cold+0xa6/0xb6 # [ 58.500156] exit_signals+0x1c/0x2d0 # [ 58.504143] do_exit+0xd5/0xb00 # [ 58.507645] ? ksys_write+0x68/0xe0 # [ 58.511527] rewind_stack_do_exit+0x17/0x20 # [ 58.516193] RIP: 0033:0x[ 69.313649] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED [ 69.323513] lkdtm: attempting bad refcount_sub_and_test() from saturated [ 69.331006] ------------[ cut here ]------------ 7f84ec2a0f33 # [ 58.520178] Code: 8b 15 61 ef 0c 00 f7 d8 64 [ 69.336167] refcount_t: underflow; use-after-free. 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 0[ 69.347741] WARNING: CPU: 3 PID: 2587 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 [ 69.363278] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 0 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 [ 69.389743] CPU: 3 PID: 2587 Comm: cat Tainted: G D W 5.10.128-cip11 #1 [ 69.404608] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 69.411448] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 [ 69.417211] Code: 05 4b 1d 76 01 01 e8 ef fb 92 00 0f 0b c3 80 3d 39 1d 76 01 00 75 95 48 c7 c7 78 b9 c5 af c6 05 29 1d 76 01 01 e8 d0 fb 92 00 <0f> 0b c3 80 3d 18 1d 76 01 00 0f 85 72 ff ff ff 48 c7 c7 d0 b9 c5 [ 69.438197] RSP: 0018:ffff9fa8430a7e40 EFLAGS: 00010286 [ 69.444033] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 [ 69.451996] RDX: ffff962c3adac660 RSI: ffff962c3ad9bf70 RDI: ffff962c3ad9bf70 [ 69.459986] RBP: ffffffffafcbfbe0 R08: 0000000000000000 R09: 0000000000000000 [ 69.467958] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 69.475942] R13: ffff9fa8430a7f10 R14: ffff9fa8430a7f10 R15: ffff962bc34d6000 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 58.541152] RSP: 00[ 69.483917] FS: 00007fe651bd5580(0000) GS:ffff962c3ad80000(0000) knlGS:0000000000000000 [ 69.499166] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.505575] CR2: 00007fe6519ee000 CR3: 0000000104e96003 CR4: 00000000003706e0 [ 69.513545] Call Trace: [ 69.516268] __refcount_sub_and_test.constprop.0+0x34/0x40 [ 69.522420] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x72 [ 69.528743] direct_entry.cold+0x2c/0x38 [ 69.533124] full_proxy_write+0x56/0x80 [ 69.537407] vfs_write+0xea/0x390 [ 69.541106] ksys_write+0x68/0xe0 [ 69.544806] do_syscall_64+0x33/0x40 [ 69.548797] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 69.554438] RIP: 0033:0x7fe651afdf33 [ 69.558428] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 69.579413] RSP: 002b:00007fffb2b63448 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 69.587871] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fe651afdf33 [ 69.595843] RDX: 0000000000000020 RSI: 00007fe6519ee000 RDI: 0000000000000001 [ 69.603815] RBP: 00007fe6519ee000 R08: 00007fe6519ed010 R09: 0000000000000000 [ 69.611787] R10: 00007fe651bf81c0 R11: 0000000000000246 R12: 0000000000000001 [ 69.619761] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 2b:00007ffce81b4668 EFLAGS: 00000246 ORIG_RAX: 0000000000000001[ 69.627737] irq event stamp: 0 [ 69.637355] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 58.549604] RAX: ffffffffffffffda RBX: 0000000000000009 RC[ 69.644361] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 69.659710] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 69.668847] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 69.675845] ---[ end trace 7d1a79d3f1134238 ]--- [ 69.680990] lkdtm: Saturation detected: still saturated X: 00007f84ec2a0f33 # [ 58.557571] RDX: 0000000000000009 RSI: 00007f84ec191000 RDI: 0000000000000001 # [ 58.565537] RBP: 00007f84ec191000 R08: 00007f84ec190010 R09: 0000000000000000 # [ 58.573502] R10: 00007f84ec39b1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 58.581468] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # WRITE_RO: saw 'call trace:': ok ok 39 selftests: lkdtm: WRITE_RO.sh # selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # Killed # [ 58.703300] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT # [ 58.714062] lkdtm: attempting bad ro_after_init write at ffffffffafd3c328 # [ 58.721656] BUG: unable to handle page fault for address: ffffffffafd3c328 # [ 58.729340] #PF: supervisor write access in kernel mode # [ 58.735173] #PF: error_code(0x0003) - permissions violation # [ 58.741391] PGD 1e629067 P4D 1e629067 PUD 1e62a063 PMD 1027fe063 PTE 800000001e53c061 # [ 58.750142] Oops: 0003 [#15] SMP PTI # [ 58.760342] CPU: 3 PID: 1981 Comm: cat Tainted: G D W 5.10.128-cip11 #1 # [ 58.768990] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 58.775797] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a # [ 58.781824] Code: 0c cc af e9 45 9f fd ff 48 c7 c7 f0 0c cc af e8 39 9f fd ff 48 8b 05 f4 54 a4 00 ba 34 12 cd ab 48 c7 c7 98 0c cc af 48 31 d0 <48> 89 05 de 54 a4 00 e9 17 9f fd ff 0f 1f 44 00 00 41 54 48 c7 c7 # [ 58.809014] RSP: 0018:ffff9fa842727e60 EFLAGS:[ 69.828398] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO [ 69.836513] lkdtm: attempting good copy_to_user of correct size [ 69.843137] lkdtm: attempting bad copy_to_user of too large size 00010202 # [ 58.814845] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 # [ 58.822812] RDX: 00000000abcd1234 RSI: ffff962c3ad9bf70 RDI: ffffffffafcc0c98 # [ 58.830777] RBP: ffffffffafcbfe8e R08: 0000000000000000 R09: 0000000000000000 # [ 58.838744] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 # [ 58.846710] R13: ffff9fa842727f10 R14: ffff9fa842727f10 R15: ffff962bc2b2f000 # [ 58.854678] FS: 00007f342cc10580(0000) GS:ffff962c3ad80000(0000) knlGS:0000000000000000 # [ 58.863714] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 58.870126] CR2: ffffffffafd3c328 CR3: 0000000103502001 CR4: 00000000003706e0 # [ 58.878093] Call Trace: # [ 58.880820] direct_entry.cold+0x2c/0x38 # [ 58.885189] full_proxy_write+0x56/0x80 # [ 58.889468] vfs_write+0xea/0x390 # [ 58.893154] ksys_write+0x68/0xe0 # [ 58.896850[ 69.934124] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM ] do_syscall_64+0x33/0x40 # [ 58.900860] entry_SYSCALL_64_a[ 69.943805] lkdtm: attempting good copy_from_user of correct size fter_hwframe+0x44/0xa9 # [ 58.906499] RIP: 0033:0x7f342cb38f3[ 69.956831] lkdtm: attempting bad copy_from_user of too large size 3 # [ 58.910485] 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 # [ 58.931460] RSP: 002b:00007ffdef301d18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 58.939912] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f342cb38f33 # [ 58.947880] RDX: 0000000000000014 RSI: 00007f342ca29000 RDI: 0000000000000001 # [ 58.955847] RBP: 00007f342ca29000 R08: 00007f342ca28010 R09: 0000000000000000 # [ 58.963814] R10: 00007f342cc331c0 R11: 0000000000000246 R12: 0000000000000001 # [ 58.971782] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 58.979751] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec[ 70.054533] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO _chardev cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs x86_pkg_[ 70.064192] lkdtm: attempting good copy_to_user inside whitelist temp_thermal cros_ec_dev cros_usbpd_notify # [ 59.006209] CR2[ 70.077153] lkdtm: attempting bad copy_to_user outside whitelist : ffffffffafd3c328 # [ 59.009906] ---[ end trace 7d1a79d3f1134226 ]--- # [ 59.015051] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 59.019427] 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 # [ 59.040404] RSP: 0018:ffff9fa84138fe60 EFLAGS: 00010282 # [ 59.046236] RAX: ffffffffaecb1ae0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 59.054203] RDX: 0000000000000000 RSI: ffff962c3ad1bf70 RDI: ffffffffaf8d9a70 # [ 59.062170] RBP: ffffffffafd1b048 R08: 0000000000000001 R09: 0000000000000001 # [ 59.070136] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 59.078103] R13: ffff9fa84138ff10 R14: ffff9fa84138ff10 R15: ffff962bc41d9000 # [ 59.086070] FS: 00007f342cc10580(0000) GS:ffff962c3ad80000(0000) knlGS:0000000000000000 # [ 59.095106] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 59.101520] CR2: ffffffffafd3c328 CR3: 0000000103502001 CR4: 00000000003706e0 # WRITE_RO_AFTER_IN[ 70.191600] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM IT: saw 'call trace:': ok ok 40 selftests: lkdtm: WRITE_RO_AFTE[ 70.203137] lkdtm: attempting good copy_from_user inside whitelist R_INIT.sh # selftests: lkdtm: WRITE_KERN.sh # Killed # [ 59[ 70.216270] lkdtm: attempting bad copy_from_user outside whitelist .223707] lkdtm: Performing direct entry WRITE_KERN # [ 59.233314] lkdtm: attempting bad 6573732 byte write at ffffffffaf2f6d54 # [ 59.247017] BUG: unable to handle page fault for address: ffffffffaf2f6d54 # [ 59.260902] #PF: supervisor write access in kernel mode # [ 59.266734] #PF: error_code(0x0003) - permissions violation # [ 59.272955] PGD 1e629067 P4D 1e629067 PUD 1e62a063 PMD 1da000e1 # [ 59.279663] Oops: 0003 [#16] SMP PTI # [ 59.289863] CPU: 1 PID: 2016 Comm: cat Tainted: G D W 5.10.128-cip11 #1 # [ 59.298511] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 59.305318] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e # [ 59.310473] Code: 53 48 c7 c3 54 6d 2f af 49 89 dc 48 89 da 49 81 ec b0 1e cb ae 4c 89 e6 e8 ec 9e fd ff 48 89 df 4c 89 e1 48 c7 c6 b0 1e cb ae a4 48 c7 c7 98 0c cc af e8 d1 9e fd ff 5b 41 5c e9 b7 fe ff ff # [ [ 70.310668] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO 59.337666] RSP: 0018:ffff9fa8427afe50 EFLAGS: 00010246 # [ 59[ 70.323313] lkdtm: good_stack: ffff9fa84349fe20-ffff9fa84349fe40 .343489] RAX: 000000000000003c RBX: ffffffffaf2f6d54 RCX: 000000[ 70.336260] lkdtm: bad_stack : ffff9fa84349fda8-ffff9fa84349fdc8 0000644ea4 # [ 59.351455] RDX: 0000000000000000 RSI: ffffffff[ 70.349181] lkdtm: attempting good copy_to_user of local stack aecb1eb0 RDI: ffffffffaf2f6d54 # [ 59.359421] RBP: ffffffffaf[ 70.361926] lkdtm: attempting bad copy_to_user of distant stack cbfea2 R08: 0000000000000000 R09: 0000000000000000 # [ 59.367389] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000644ea4 # [ 59.375357] R13: ffff9fa8427aff10 R14: ffff9fa8427aff10 R15: ffff962bc406c000 # [ 59.383325] FS: 00007f54c6766580(0000) GS:ffff962c3ac80000(0000) knlGS:0000000000000000 # [ 59.392363] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 59.398778] CR2: ffffffffaf2f6d54 CR3: 0000000102762001 CR4: 00000000003706e0 # [ 59.406747] Call Trace: # [ 59.409476] direct_entry.cold+0x2c/0x38 # [ 59.413856] full_proxy_write+0x56/0x80 # [ 59.424349] vfs_write+0xea/0x390 # [ 59.428047] ksys_write+0x68/0xe0 # [ 59.431736] do_syscall_64+0x33/0x40 # [ 59.435725] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 59.441356] RIP: 0033:0x7f54c668ef33 # [ 59.445343] 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 # [ 59.466326] RSP: 002b:00007ffcca2ee348 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 59.474780] RAX: fffffff[ 70.480687] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM fffffffda RBX: 000000000000000b RCX: 00007f54c668ef33 # [ 59.[ 70.493702] lkdtm: good_stack: ffff9fa843517e20-ffff9fa843517e40 482749] RDX: 000000000000000b RSI: 00007f54c657f000 RDI: 0000000[ 70.506625] lkdtm: bad_stack : ffff9fa843517da8-ffff9fa843517dc8 000000001 # [ 59.490717] RBP: 00007f54c657f000 R08: 00007f54c[ 70.519577] lkdtm: attempting good copy_from_user of local stack 657e010 R09: 0000000000000000 # [ 59.498685] R10: 00007f54c67[ 70.532483] lkdtm: attempting bad copy_from_user of distant stack 891c0 R11: 0000000000000246 R12: 0000000000000001 # [ 59.506652] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 59.514624] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 59.547265] CR2: ffffffffaf2f6d54 # [ 59.550962] ---[ end trace 7d1a79d3f1134227 ]--- # [ 59.556115] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 59.560491] 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 # [ 59.581475] RSP: 0018:ffff9fa84138fe60 EFLAGS: 00010282 # [ 59.587307] RAX: ffffffffaecb1ae0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 59.595274] RDX: 0000000000000000 RSI: ffff962c3ad1bf70 RDI: ffffffffaf8d9a70 # [ 59.603243] RBP: ffffffffafd1b048 R08: 0000000000000001 R09: 0000000000000001 # [ 59.611213] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 59.619183] R13: ffff9fa84138ff10 R14: ffff9[ 70.658363] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND [ 70.670496] lkdtm: good_stack: ffff9fa8435efe20-ffff9fa8435efe40 [ 70.677214] lkdtm: bad_stack : ffff9fa8435efff8-ffff9fa8435f0018 [ 70.683933] lkdtm: attempting good copy_to_user of local stack [ 70.690455] lkdtm: attempting bad copy_to_user of distant stack [ 70.697068] lkdtm: copy_to_user failed, but lacked Oops fa84138ff10 R15: ffff962bc41d9000 # [ 59.627152] FS: 00007f54c6766580(0000) GS:ffff962c3ac80000(0000) knlGS:0000000000000000 # [ 59.636188] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 59.642603] CR2: ffffffffaf2f6d54 CR3: 0000000102762001 CR4: 00000000003706e0 # [ 59.650571] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 59.660483] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 2016, name: cat # [ 59.668938] INFO: lockdep is turned off. # [ 59.673312] irq event stamp: 0 # [ 59.676715] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 59.683714] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 59.692850] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 59.701977] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 59.708980] CPU: 1 PID: 2016 Comm: cat Tainted: G D W 5.10.128-cip11 #1 # [ 59.717636] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 59.730654] Call Trac[ 70.808476] lkdtm: Performing direct entry USERCOPY_KERNEL e: # [ 59.733380] dump_stack+0x77/0x97 # [ 59.737080] __[ 70.814763] lkdtm: attempting good copy_to_user from kernel rodata: ffffffffaf8d9f10 _might_sleep.cold+0xa6/0xb6 # [ 59.747865] exit_signals+0x1c[ 70.829634] lkdtm: attempting bad copy_to_user from kernel text: ffffffffae6d1460 /0x2d0 # [ 59.751845] do_exit+0xd5/0xb00 # [ 59.755339] [ 70.844202] lkdtm: FAIL: survived bad copy_to_user() ? ksys_write+0x68/0xe0 # [ 59.759231] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 # [ 59.764675] rewind_stack_do_exit+0x17/0x20 # [ 59.769342] RIP: 0033:0x7f54c668ef33 # [ 59.773329] 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 # [ 59.794311] RSP: 002b:00007ffcca2ee348 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 59.802767] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f54c668ef33 # [ 59.810737] RDX: 000000000000000b RSI: 00007f54c657f000 RDI: 0000000000000001 # [ 59.818704] RBP: 00007f54c657f000 R08: 00007f54c657e010 R09: 0000000000000000 # [ 59.826673] R10: 00007f54c67891c0 R11: 0000000000000246 R12: 0000000000000001 # [ 59.834641] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # WRITE_KERN: saw 'call trace:': ok ok 41 selftests: lkdtm: WRITE_KERN.sh # selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # [ 59.936055] lkdtm: Performing direct entry REFCOUNT_INC_OVE[ 70.960456] lkdtm: Performing direct entry STACKLEAK_ERASING RFLOW # [ 59.948770] lkdtm: attempting good refcount_inc() wi[ 70.968113] lkdtm: checking unused part of the thread stack (15928 bytes)... thout overflow # [ 59.955680] lkdtm: attempting bad refcount_[ 70.982210] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) inc() overflow # [ 59.961712] ------------[ cut here ]-------[ 70.996191] lkdtm: FAIL: the thread stack is NOT properly erased ----- # [ 59.966873] refcount_t: saturated; leaking memory. [ 71.009170] CPU: 0 PID: 2952 Comm: cat Tainted: G D W 5.10.128-cip11 #1 [ 71.023961] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 71.030766] Call Trace: [ 71.033497] dump_stack+0x77/0x97 [ 71.037201] lkdtm_STACKLEAK_ERASING+0x116/0x140 [ 71.042356] direct_entry.cold+0x2c/0x38 [ 71.046734] full_proxy_write+0x56/0x80 [ 71.051007] vfs_write+0xea/0x390 [ 71.054705] ksys_write+0x68/0xe0 [ 71.058403] do_syscall_64+0x33/0x40 [ 71.062382] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 71.068023] RIP: 0033:0x7f50cae52f33 [ 71.072010] 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 [ 71.092993] RSP: 002b:00007ffc1f6cc448 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 71.101450] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f50cae52f33 [ 71.109421] RDX: 0000000000000012 RSI: 00007f50cad43000 RDI: 0000000000000001 [ 71.117390] RBP: 00007f50cad43000 R08: 00007f50cad42010 R09: 0000000000000000 [ 71.125359] R10: 00007f50caf4d1c0 R11: 0000000000000246 R12: 0000000000000001 [ 71.133327] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 59.972251] WARNING: CPU: 3 PID: 2051 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 # [ 59.981579] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 60.014206] CPU: 3 PID: 2051 Comm: cat Tainted: G D W 5.10.128-cip11 #1 # [ 60.022880] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 60.029687] RIP: 0010:refcount_warn_saturate+0x49/0xf0 # [ 60.035426] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 98 1d 76 01 00 75 f2 48 c7 c7 20 b9 c5 af c6 05 88 1d 76 01 01 e8 2d fc 92 00 <0f> 0b c3 80 3d 78 1d 76 01 00 75 d3 48 c7 c7 48 b9 c5 af c6 05 68 # [ 60.056408] RSP: 0018:ffff9fa842847e48 EFLAGS: 00010286 # [ 60.062244] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 # [ 60.070214] RDX: ffff962c3adac660 RSI: ffff962c3ad9bf70 RDI: ffff962c3ad9bf70 # [ 60.078185] RBP: ffffffffafcbfead R08: [ 71.243047] lkdtm: Performing direct entry CFI_FORWARD_PROTO [ 71.253297] lkdtm: Calling matched prototype ... [ 71.258461] lkdtm: Calling mismatched prototype ... [ 71.263907] lkdtm: Fail: survived mismatched prototype function call! 0000000000000000 R09: 0000000000000000 # [ 60.086155] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 60.094125] R13: ffff9fa842847f10 R14: ffff9fa842847f10 R15: ffff962bc6570000 # [ 60.102101] FS: 00007fb733b2c580(0000) GS:ffff962c3ad80000(0000) knlGS:0000000000000000 # [ 60.117351] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 60.129984] CR2: 00007fb733945000 CR3: 0000000103276002 CR4: 00000000003706e0 # [ 60.137956] Call Trace: # [ 60.146900] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x94 # [ 60.158461] direct_entry.cold+0x2c/0x38 # [ 60.169053] full_proxy_write+0x56/0x80 # [ 60.173362] vfs_write+0xea/0x390 # [ 60.183270] ksys_write+0x68/0xe0 # [ 60.186990] do_syscall_64+0x33/0x40 # [ 60.191006] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 60.196672] RIP: 0033:0x7fb733a54f33 # [ 60.200684] 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 # [ 60.221678] RSP: 002b:00007ffe36596918 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 60.236339] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fb733a54f33 # [ 60.244307] RDX: 0000000000000016 RSI: 00007fb733945000 RDI: 0000000000000001 # [ 60.252278] RBP: 00007fb733945000 R08: 00007fb733944010 R09: 0000000000000000 # [ 60.260248] R10: 00007fb733b4f1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 60.268218] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 60.276193] irq event stamp: 0 # [ 60.279630] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 60.286633] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 60.295792] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 60.304927] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 60.311940] ---[ end trace 7d1a79d3f1134228 ]--- # [ 60.317096] lkdtm: Overflow detected: saturated # REFCOUNT_INC_OVERFLOW: saw 'call trace:': ok ok 42 selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh # [ 60.419994] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 60.428343] lkdtm: attempting good refcount_add() without overflow # [ 60.441464] lkdtm: attempting bad refcount_add() overflow # [ 60.453707] ------------[ cut here ]------------ # [ 60.465079] refcount_t: saturated; leaking memory. # [ 60.476670] WARNING: CPU: 1 PID: 2083 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 # [ 60.492188] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 60.524846] CPU: 1 PID: 2083 Comm: cat Tainted: G D W 5.10.128-cip11 #1 # [ 60.539690] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 60.552709] RIP: 0010:refcount_warn_saturate+0x49/0xf0 # [ 60.558447] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 98 1d 76 01 00 75 f2 48 c7 c7 20 b9 c5 af c6 05 88 1d 76 01 01 e8 2d fc 92 00 <0f> 0b c3 80 3d 78 1d 76 01 00 75 d3 48 c7 c7 48 b9 c5 af c6 05 68 # [ 60.585637] RSP: 0018:ffff9fa842887e48 EFLAGS: 00010286 # [ 60.591474] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 # [ 60.605651] RDX: ffff962c3acac660 RSI: ffff962c3ac9bf70 RDI: ffff962c3ac9bf70 # [ 60.613623] RBP: ffffffffafcbfec3 R08: 0000000000000000 R09: 0000000000000000 # [ 60.627802] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 60.635774] R13: ffff9fa842887f10 R14: ffff9fa842887f10 R15: ffff962bc2763000 # [ 60.643747] FS: 00007f1f30653580(0000) GS:ffff962c3ac80000(0000) knlGS:0000000000000000 # [ 60.652789] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 60.665418] CR2: 00007f1f3046c000 CR3: 00000001040c6003 CR4: 00000000003706e0 # [ 60.673391] Call Trace: # [ 60.676122] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa3 # [ 60.687712] direct_entry.cold+0x2c/0x38 # [ 60.698306] full_proxy_write+0x56/0x80 # [ 60.708805] vfs_write+0xea/0x390 # [ 60.718718] ksys_write+0x68/0xe0 # [ 60.722419] do_syscall_64+0x33/0x40 # [ 60.732622] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 60.744477] RIP: 0033:0x7f1f3057bf33 # [ 60.754681] 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 # [ 60.775663] RSP: 002b:00007ffca3513918 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 60.790330] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f1f3057bf33 # [ 60.798301] RDX: 0000000000000016 RSI: 00007f1f3046c000 RDI: 0000000000000001 # [ 60.806263] RBP: 00007f1f3046c000 R08: 00007f1f3046b010 R09: 0000000000000000 # [ 60.814235] R10: 00007f1f306761c0 R11: 0000000000000246 R12: 0000000000000001 # [ 60.822205] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 60.830179] irq event stamp: 0 # [ 60.839825] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 60.846827] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 60.855981] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 60.871312] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 60.878313] ---[ end trace 7d1a79d3f1134229 ]--- # [ 60.889678] 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 # [ 60.974701] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 60.983126] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 60.990058] ------------[ cut here ]------------ # [ 60.995214] refcount_t: saturated; leaking memory. # [ 61.000575] WARNING: CPU: 3 PID: 2115 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 # [ 61.016107] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 61.048744] CPU: 3 PID: 2115 Comm: cat Tainted: G D W 5.10.128-cip11 #1 # [ 61.057417] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 61.064245] RIP: 0010:refcount_warn_saturate+0x87/0xf0 # [ 61.069995] Code: 05 68 1d 76 01 01 e8 0e fc 92 00 0f 0b c3 80 3d 5b 1d 76 01 00 75 b4 48 c7 c7 20 b9 c5 af c6 05 4b 1d 76 01 01 e8 ef fb 92 00 <0f> 0b c3 80 3d 39 1d 76 01 00 75 95 48 c7 c7 78 b9 c5 af c6 05 29 # [ 61.097181] RSP: 0018:ffff9fa842957e38 EFLAGS: 00010282 # [ 61.103015] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 61.110992] RDX: ffff962c3adac660 RSI: ffff962c3ad9bf70 RDI: ffff962c3ad9bf70 # [ 61.118961] RBP: ffffffffafcbfb00 R08: 0000000000000000 R09: 0000000000000000 # [ 61.126950] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 61.134944] R13: ffff9fa842957f10 R14: ffff9fa842957f10 R15: ffff962bc29d3000 # [ 61.142907] FS: 00007f166f200580(0000) GS:ffff962c3ad80000(0000) knlGS:0000000000000000 # [ 61.158152] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 61.164569] CR2: 00007f166f019000 CR3: 0000000102762006 CR4: 00000000003706e0 # [ 61.172539] Call Trace: # [ 61.175268] __refcount_add_not_zero.constprop.0+0x2a/0x31 # [ 61.181419] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x72 # [ 61.187643] direct_entry.cold+0x2c/0x38 # [ 61.192022] full_proxy_write+0x56/0x80 # [ 61.196305] vfs_write+0xea/0x390 # [ 61.200003] ksys_write+0x68/0xe0 # [ 61.203704] do_syscall_64+0x33/0x40 # [ 61.207695] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 61.213336] RIP: 0033:0x7f166f128f33 # [ 61.217325] 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 # [ 61.238303] RSP: 002b:00007ffe8d8ecd28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 61.246759] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f166f128f33 # [ 61.254729] RDX: 000000000000001f RSI: 00007f166f019000 RDI: 0000000000000001 # [ 61.262698] RBP: 00007f166f019000 R08: 00007f166f018010 R09: 0000000000000000 # [ 61.270668] R10: 00007f166f2231c0 R11: 0000000000000246 R12: 0000000000000001 # [ 61.278639] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 61.286614] irq event stamp: 0 # [ 61.296229] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 61.309447] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 61.318584] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 61.327717] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 61.334717] ---[ end trace 7d1a79d3f113422a ]--- # [ 61.339871] lkdtm: Overflow detected: saturated # REFCOUNT_INC_NOT_ZERO_OVERFLOW: saw 'call trace:': ok ok 44 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh # [ 61.432694] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 61.445759] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 61.452670] ------------[ cut here ]------------ # [ 61.457830] refcount_t: saturated; leaking memory. # [ 61.463206] WARNING: CPU: 3 PID: 2147 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 # [ 61.472546] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 61.505175] CPU: 3 PID: 2147 Comm: cat Tainted: G D W 5.10.128-cip11 #1 # [ 61.513824] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 61.520628] RIP: 0010:refcount_warn_saturate+0x87/0xf0 # [ 61.526364] Code: 05 68 1d 76 01 01 e8 0e fc 92 00 0f 0b c3 80 3d 5b 1d 76 01 00 75 b4 48 c7 c7 20 b9 c5 af c6 05 4b 1d 76 01 01 e8 ef fb 92 00 <0f> 0b c3 80 3d 39 1d 76 01 00 75 95 48 c7 c7 78 b9 c5 af c6 05 29 # [ 61.547345] RSP: 0018:ffff9fa8429dfe38 EFLAGS: 00010282 # [ 61.553178] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 61.561153] RDX: ffff962c3adac660 RSI: ffff962c3ad9bf70 RDI: ffff962c3ad9bf70 # [ 61.575339] RBP: ffffffffafcbfb20 R08: 0000000000000000 R09: 0000000000000000 # [ 61.589520] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 61.597489] R13: ffff9fa8429dff10 R14: ffff9fa8429dff10 R15: ffff962bc37b9000 # [ 61.605457] FS: 00007f03de12a580(0000) GS:ffff962c3ad80000(0000) knlGS:0000000000000000 # [ 61.614495] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 61.620915] CR2: 00007f03ddf43000 CR3: 0000000103210006 CR4: 00000000003706e0 # [ 61.628936] Call Trace: # [ 61.631673] __refcount_add_not_zero.constprop.0+0x2a/0x31 # [ 61.644007] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x72 # [ 61.650230] direct_entry.cold+0x2c/0x38 # [ 61.654609] full_proxy_write+0x56/0x80 # [ 61.658891] vfs_write+0xea/0x390 # [ 61.662588] ksys_write+0x68/0xe0 # [ 61.666287] do_syscall_64+0x33/0x40 # [ 61.670276] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 61.675941] RIP: 0033:0x7f03de052f33 # [ 61.686144] 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 # [ 61.707123] RSP: 002b:00007ffceaa85c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 61.715580] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f03de052f33 # [ 61.723549] RDX: 000000000000001f RSI: 00007f03ddf43000 RDI: 0000000000000001 # [ 61.731519] RBP: 00007f03ddf43000 R08: 00007f03ddf42010 R09: 0000000000000000 # [ 61.739489] R10: 00007f03de14d1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 61.747457] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 61.755419] irq event stamp: 0 # [ 61.758826] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 61.765827] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 61.774962] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 61.784118] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 61.791117] ---[ end trace 7d1a79d3f113422b ]--- # [ 61.796271] 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 # [ 61.901685] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 61.913378] lkdtm: attempting good refcount_dec() # [ 61.924843] lkdtm: attempting bad refcount_dec() to zero # [ 61.936991] ------------[ cut here ]------------ # [ 61.948385] refcount_t: decrement hit 0; leaking memory. # [ 61.960547] WARNING: CPU: 0 PID: 2179 at lib/refcount.c:31 refcount_warn_saturate+0xdf/0xf0 # [ 61.976074] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 62.008711] CPU: 0 PID: 2179 Comm: cat Tainted: G D W 5.10.128-cip11 #1 # [ 62.023566] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 62.036595] RIP: 0010:refcount_warn_saturate+0xdf/0xf0 # [ 62.048538] Code: ff 48 c7 c7 d0 b9 c5 af c6 05 04 1d 76 01 01 e8 ad fb 92 00 0f 0b c3 48 c7 c7 a0 b9 c5 af c6 05 ef 1c 76 01 01 e8 97 fb 92 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 # [ 62.075741] RSP: 0018:ffff9fa842a67e48 EFLAGS: 00010286 # [ 62.087751] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 # [ 62.101964] RDX: ffff962c3ac2c660 RSI: ffff962c3ac1bf70 RDI: ffff962c3ac1bf70 # [ 62.116131] RBP: ffffffffafcbfed9 R08: 0000000000000000 R09: 0000000000000000 # [ 62.130357] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 62.144528] R13: ffff9fa842a67f10 R14: ffff9fa842a67f10 R15: ffff962bc654e000 # [ 62.158749] FS: 00007f9be3f6b580(0000) GS:ffff962c3ac00000(0000) knlGS:0000000000000000 # [ 62.174030] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 62.186683] CR2: 00007f9be3d84000 CR3: 00000001058c8006 CR4: 00000000003706f0 # [ 62.200880] Call Trace: # [ 62.209847] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xb9 # [ 62.221119] direct_entry.cold+0x2c/0x38 # [ 62.231651] full_proxy_write+0x56/0x80 # [ 62.242247] vfs_write+0xea/0x390 # [ 62.252078] ksys_write+0x68/0xe0 # [ 62.261988] do_syscall_64+0x33/0x40 # [ 62.272180] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 62.284056] RIP: 0033:0x7f9be3e93f33 # [ 62.294249] 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 # [ 62.321477] RSP: 002b:00007ffff698af58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 62.336127] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f9be3e93f33 # [ 62.350329] RDX: 0000000000000012 RSI: 00007f9be3d84000 RDI: 0000000000000001 # [ 62.364499] RBP: 00007f9be3d84000 R08: 00007f9be3d83010 R09: 0000000000000000 # [ 62.378702] R10: 00007f9be3f8e1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 62.392872] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 62.407074] irq event stamp: 0 # [ 62.416679] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 62.429917] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 62.445247] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 62.460621] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 62.473817] ---[ end trace 7d1a79d3f113422c ]--- # [ 62.485197] lkdtm: Zero detected: saturated # REFCOUNT_DEC_ZERO: saw 'call trace:': ok ok 46 selftests: lkdtm: REFCOUNT_DEC_ZERO.sh # selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh # [ 62.599975] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 62.608431] lkdtm: attempting bad refcount_dec() below zero # [ 62.620870] ------------[ cut here ]------------ # [ 62.632239] refcount_t: decrement hit 0; leaking memory. # [ 62.644417] WARNING: CPU: 1 PID: 2214 at lib/refcount.c:31 refcount_warn_saturate+0xdf/0xf0 # [ 62.659943] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 62.692580] CPU: 1 PID: 2214 Comm: cat Tainted: G D W 5.10.128-cip11 #1 # [ 62.707443] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 62.720468] RIP: 0010:refcount_warn_saturate+0xdf/0xf0 # [ 62.732422] Code: ff 48 c7 c7 d0 b9 c5 af c6 05 04 1d 76 01 01 e8 ad fb 92 00 0f 0b c3 48 c7 c7 a0 b9 c5 af c6 05 ef 1c 76 01 01 e8 97 fb 92 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 # [ 62.759622] RSP: 0018:ffff9fa842ae7e48 EFLAGS: 00010286 # [ 62.771676] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 # [ 62.785862] RDX: ffff962c3acac660 RSI: ffff962c3ac9bf70 RDI: ffff962c3ac9bf70 # [ 62.800049] RBP: ffffffffafcbfeeb R08: 0000000000000000 R09: 0000000000000000 # [ 62.814234] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 62.822209] R13: ffff9fa842ae7f10 R14: ffff9fa842ae7f10 R15: ffff962bc3300000 # [ 62.836412] FS: 00007f02d78b3580(0000) GS:ffff962c3ac80000(0000) knlGS:0000000000000000 # [ 62.851647] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 62.864278] CR2: 00007f02d76cc000 CR3: 000000010599c004 CR4: 00000000003706e0 # [ 62.872251] Call Trace: # [ 62.875002] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x5d # [ 62.886567] direct_entry.cold+0x2c/0x38 # [ 62.897186] full_proxy_write+0x56/0x80 # [ 62.907682] vfs_write+0xea/0x390 # [ 62.911406] ksys_write+0x68/0xe0 # [ 62.921315] do_syscall_64+0x33/0x40 # [ 62.925307] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 62.937156] RIP: 0033:0x7f02d77dbf33 # [ 62.941172] 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 # [ 62.968366] RSP: 002b:00007ffd2b595c48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 62.983036] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f02d77dbf33 # [ 62.991007] RDX: 0000000000000016 RSI: 00007f02d76cc000 RDI: 0000000000000001 # [ 63.005189] RBP: 00007f02d76cc000 R08: 00007f02d76cb010 R09: 0000000000000000 # [ 63.013161] R10: 00007f02d78d61c0 R11: 0000000000000246 R12: 0000000000000001 # [ 63.021132] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 63.029108] irq event stamp: 0 # [ 63.038730] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 63.045735] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 63.061081] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 63.076431] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 63.083432] ---[ end trace 7d1a79d3f113422d ]--- # [ 63.094798] lkdtm: Negative detected: saturated # REFCOUNT_DEC_NEGATIVE: saw 'Negative detected: saturated': ok ok 47 selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh # [ 63.195089] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 63.206889] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 63.220226] ------------[ cut here ]------------ # [ 63.231591] refcount_t: underflow; use-after-free. # [ 63.243163] WARNING: CPU: 0 PID: 2249 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 # [ 63.258715] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 63.291372] CPU: 0 PID: 2249 Comm: cat Tainted: G D W 5.10.128-cip11 #1 # [ 63.306224] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 63.319290] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 # [ 63.331232] Code: 05 4b 1d 76 01 01 e8 ef fb 92 00 0f 0b c3 80 3d 39 1d 76 01 00 75 95 48 c7 c7 78 b9 c5 af c6 05 29 1d 76 01 01 e8 d0 fb 92 00 <0f> 0b c3 80 3d 18 1d 76 01 00 0f 85 72 ff ff ff 48 c7 c7 d0 b9 c5 # [ 63.358484] RSP: 0018:ffff9fa842b4fe40 EFLAGS: 00010286 # [ 63.370577] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 # [ 63.384752] RDX: ffff962c3ac2c660 RSI: ffff962c3ac1bf70 RDI: ffff962c3ac1bf70 # [ 63.398964] RBP: ffffffffafcbfb40 R08: 0000000000000000 R09: 0000000000000000 # [ 63.413127] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 63.427341] R13: ffff9fa842b4ff10 R14: ffff9fa842b4ff10 R15: ffff962bc4ff5000 # [ 63.441504] FS: 00007f98f6cae580(0000) GS:ffff962c3ac00000(0000) knlGS:0000000000000000 # [ 63.456767] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 63.469402] CR2: 00007f98f6ac7000 CR3: 0000000104dc4004 CR4: 00000000003706f0 # [ 63.483602] Call Trace: # [ 63.492550] __refcount_sub_and_test.constprop.0+0x34/0x40 # [ 63.504887] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x74 # [ 63.517310] direct_entry.cold+0x2c/0x38 # [ 63.527947] full_proxy_write+0x56/0x80 # [ 63.538423] vfs_write+0xea/0x390 # [ 63.548356] ksys_write+0x68/0xe0 # [ 63.558278] do_syscall_64+0x33/0x40 # [ 63.568481] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 63.580319] RIP: 0033:0x7f98f6bd6f33 # [ 63.590524] 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 # [ 63.617722] RSP: 002b:00007fff68ceb988 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 63.632395] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f98f6bd6f33 # [ 63.646568] RDX: 000000000000001f RSI: 00007f98f6ac7000 RDI: 0000000000000001 # [ 63.654551] RBP: 00007f98f6ac7000 R08: 00007f98f6ac6010 R09: 0000000000000000 # [ 63.668750] R10: 00007f98f6cd11c0 R11: 0000000000000246 R12: 0000000000000001 # [ 63.682947] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 63.697155] irq event stamp: 0 # [ 63.706742] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 63.720021] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 63.735353] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 63.750710] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 63.763910] ---[ end trace 7d1a79d3f113422e ]--- # [ 63.775304] lkdtm: Negative detected: saturated # REFCOUNT_DEC_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok ok 48 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh # [ 63.865979] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 63.875006] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 63.888316] ------------[ cut here ]------------ # [ 63.899672] refcount_t: underflow; use-after-free. # [ 63.911289] WARNING: CPU: 0 PID: 2284 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 # [ 63.926845] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 63.959471] CPU: 0 PID: 2284 Comm: cat Tainted: G D W 5.10.128-cip11 #1 # [ 63.974372] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 63.987362] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 # [ 63.999345] Code: 05 4b 1d 76 01 01 e8 ef fb 92 00 0f 0b c3 80 3d 39 1d 76 01 00 75 95 48 c7 c7 78 b9 c5 af c6 05 29 1d 76 01 01 e8 d0 fb 92 00 <0f> 0b c3 80 3d 18 1d 76 01 00 0f 85 72 ff ff ff 48 c7 c7 d0 b9 c5 # [ 64.026526] RSP: 0018:ffff9fa842ba7e40 EFLAGS: 00010286 # [ 64.038615] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 # [ 64.052762] RDX: ffff962c3ac2c660 RSI: ffff962c3ac1bf70 RDI: ffff962c3ac1bf70 # [ 64.066987] RBP: ffffffffafcbfb60 R08: 0000000000000000 R09: 0000000000000000 # [ 64.081153] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 64.095349] R13: ffff9fa842ba7f10 R14: ffff9fa842ba7f10 R15: ffff962bc26e8000 # [ 64.109531] FS: 00007ff1782db580(0000) GS:ffff962c3ac00000(0000) knlGS:0000000000000000 # [ 64.124799] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 64.137427] CR2: 00007ff1780f4000 CR3: 0000000102baa004 CR4: 00000000003706f0 # [ 64.151616] Call Trace: # [ 64.160563] __refcount_sub_and_test.constprop.0+0x34/0x40 # [ 64.172938] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x77 # [ 64.185349] direct_entry.cold+0x2c/0x38 # [ 64.196015] full_proxy_write+0x56/0x80 # [ 64.206465] vfs_write+0xea/0x390 # [ 64.216392] ksys_write+0x68/0xe0 # [ 64.226302] do_syscall_64+0x33/0x40 # [ 64.236518] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 64.248360] RIP: 0033:0x7ff178203f33 # [ 64.258587] 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 # [ 64.285772] RSP: 002b:00007ffcf0a2fb98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 64.300478] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007ff178203f33 # [ 64.314652] RDX: 000000000000001f RSI: 00007ff1780f4000 RDI: 0000000000000001 # [ 64.328877] RBP: 00007ff1780f4000 R08: 00007ff1780f3010 R09: 0000000000000000 # [ 64.343044] R10: 00007ff1782fe1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 64.357258] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 64.371433] irq event stamp: 0 # [ 64.381055] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 64.394281] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 64.409657] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 64.425024] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 64.438243] ---[ end trace 7d1a79d3f113422f ]--- # [ 64.449630] 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 # [ 64.556511] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 64.566633] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 64.573740] lkdtm: Good: zero detected # [ 64.577935] lkdtm: Correctly stayed at zero # [ 64.582610] lkdtm: attempting bad refcount_inc() from zero # [ 64.588737] ------------[ cut here ]------------ # [ 64.593892] refcount_t: addition on 0; use-after-free. # [ 64.599658] WARNING: CPU: 2 PID: 2316 at lib/refcount.c:25 refcount_warn_saturate+0x68/0xf0 # [ 64.608999] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 64.641638] CPU: 2 PID: 2316 Comm: cat Tainted: G D W 5.10.128-cip11 #1 # [ 64.650321] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 64.657131] RIP: 0010:refcount_warn_saturate+0x68/0xf0 # [ 64.662871] Code: 05 88 1d 76 01 01 e8 2d fc 92 00 0f 0b c3 80 3d 78 1d 76 01 00 75 d3 48 c7 c7 48 b9 c5 af c6 05 68 1d 76 01 01 e8 0e fc 92 00 <0f> 0b c3 80 3d 5b 1d 76 01 00 75 b4 48 c7 c7 20 b9 c5 af c6 05 4b # [ 64.683861] RSP: 0018:ffff9fa842c7fe48 EFLAGS: 00010286 # [ 64.689720] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 # [ 64.697693] RDX: ffff962c3ad2c660 RSI: ffff962c3ad1bf70 RDI: ffff962c3ad1bf70 # [ 64.705668] RBP: ffffffffafcbff01 R08: 0000000000000000 R09: 0000000000000000 # [ 64.713639] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 64.721611] R13: ffff9fa842c7ff10 R14: ffff9fa842c7ff10 R15: ffff962bc652b000 # [ 64.729586] FS: 00007f28ac70a580(0000) GS:ffff962c3ad00000(0000) knlGS:0000000000000000 # [ 64.738629] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 64.751261] CR2: 00007f28ac523000 CR3: 0000000104b0e003 CR4: 00000000003706e0 # [ 64.765447] Call Trace: # [ 64.774392] lkdtm_REFCOUNT_INC_ZERO+0x99/0xbd # [ 64.785567] direct_entry.cold+0x2c/0x38 # [ 64.789992] full_proxy_write+0x56/0x80 # [ 64.794275] vfs_write+0xea/0x390 # [ 64.797974] ksys_write+0x68/0xe0 # [ 64.801693] do_syscall_64+0x33/0x40 # [ 64.805684] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 64.811325] RIP: 0033:0x7f28ac632f33 # [ 64.815315] 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 # [ 64.836300] RSP: 002b:00007ffe6ef6b1a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 64.844788] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f28ac632f33 # [ 64.858967] RDX: 0000000000000012 RSI: 00007f28ac523000 RDI: 0000000000000001 # [ 64.866943] RBP: 00007f28ac523000 R08: 00007f28ac522010 R09: 0000000000000000 # [ 64.874935] R10: 00007f28ac72d1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 64.882909] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 64.890882] irq event stamp: 0 # [ 64.894289] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 64.901291] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 64.910427] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 64.919563] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 64.926562] ---[ end trace 7d1a79d3f1134230 ]--- # [ 64.931716] lkdtm: Zero detected: saturated # REFCOUNT_INC_ZERO: saw 'call trace:': ok ok 50 selftests: lkdtm: REFCOUNT_INC_ZERO.sh # selftests: lkdtm: REFCOUNT_ADD_ZERO.sh # [ 65.018865] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 65.029759] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 65.043074] lkdtm: Good: zero detected # [ 65.053472] lkdtm: Correctly stayed at zero # [ 65.064356] lkdtm: attempting bad refcount_add() from zero # [ 65.076698] ------------[ cut here ]------------ # [ 65.088070] refcount_t: addition on 0; use-after-free. # [ 65.100055] WARNING: CPU: 1 PID: 2348 at lib/refcount.c:25 refcount_warn_saturate+0x68/0xf0 # [ 65.115593] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 65.148212] CPU: 1 PID: 2348 Comm: cat Tainted: G D W 5.10.128-cip11 #1 # [ 65.163078] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 65.176105] RIP: 0010:refcount_warn_saturate+0x68/0xf0 # [ 65.188062] Code: 05 88 1d 76 01 01 e8 2d fc 92 00 0f 0b c3 80 3d 78 1d 76 01 00 75 d3 48 c7 c7 48 b9 c5 af c6 05 68 1d 76 01 01 e8 0e fc 92 00 <0f> 0b c3 80 3d 5b 1d 76 01 00 75 b4 48 c7 c7 20 b9 c5 af c6 05 4b # [ 65.215264] RSP: 0018:ffff9fa842cefe48 EFLAGS: 00010286 # [ 65.227317] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 # [ 65.241506] RDX: ffff962c3acac660 RSI: ffff962c3ac9bf70 RDI: ffff962c3ac9bf70 # [ 65.255694] RBP: ffffffffafcbff13 R08: 0000000000000000 R09: 0000000000000000 # [ 65.269882] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 65.284072] R13: ffff9fa842ceff10 R14: ffff9fa842ceff10 R15: ffff962bc264b000 # [ 65.298261] FS: 00007fb483216580(0000) GS:ffff962c3ac80000(0000) knlGS:0000000000000000 # [ 65.313518] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 65.326154] CR2: 00007fb48302f000 CR3: 000000010333e002 CR4: 00000000003706e0 # [ 65.340345] Call Trace: # [ 65.349294] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xbd # [ 65.360470] direct_entry.cold+0x2c/0x38 # [ 65.371066] full_proxy_write+0x56/0x80 # [ 65.381565] vfs_write+0xea/0x390 # [ 65.391481] ksys_write+0x68/0xe0 # [ 65.401398] do_syscall_64+0x33/0x40 # [ 65.411606] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 65.423466] RIP: 0033:0x7fb48313ef33 # [ 65.433674] 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 # [ 65.460882] RSP: 002b:00007ffe1230dad8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 65.475559] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fb48313ef33 # [ 65.489749] RDX: 0000000000000012 RSI: 00007fb48302f000 RDI: 0000000000000001 # [ 65.503942] RBP: 00007fb48302f000 R08: 00007fb48302e010 R09: 0000000000000000 # [ 65.518133] R10: 00007fb4832391c0 R11: 0000000000000246 R12: 0000000000000001 # [ 65.532326] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 65.546522] irq event stamp: 0 # [ 65.556147] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 65.569371] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 65.584728] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 65.600085] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 65.613305] ---[ end trace 7d1a79d3f1134231 ]--- # [ 65.624680] 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 # [ 65.730049] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 65.741819] lkdtm: attempting bad refcount_inc() from saturated # [ 65.754649] ------------[ cut here ]------------ # [ 65.766019] refcount_t: saturated; leaking memory. # [ 65.771400] WARNING: CPU: 1 PID: 2383 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 # [ 65.786913] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 65.819583] CPU: 1 PID: 2383 Comm: cat Tainted: G D W 5.10.128-cip11 #1 # [ 65.834474] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 65.841285] RIP: 0010:refcount_warn_saturate+0x49/0xf0 # [ 65.853237] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 98 1d 76 01 00 75 f2 48 c7 c7 20 b9 c5 af c6 05 88 1d 76 01 01 e8 2d fc 92 00 <0f> 0b c3 80 3d 78 1d 76 01 00 75 d3 48 c7 c7 48 b9 c5 af c6 05 68 # [ 65.880441] RSP: 0018:ffff9fa842d5fe48 EFLAGS: 00010286 # [ 65.886302] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 # [ 65.900488] RDX: ffff962c3acac660 RSI: ffff962c3ac9bf70 RDI: ffff962c3ac9bf70 # [ 65.914677] RBP: ffffffffafcbff25 R08: 0000000000000000 R09: 0000000000000000 # [ 65.928866] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 65.943055] R13: ffff9fa842d5ff10 R14: ffff9fa842d5ff10 R15: ffff962bc40f6000 # [ 65.957272] FS: 00007fb544fae580(0000) GS:ffff962c3ac80000(0000) knlGS:0000000000000000 # [ 65.972507] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 65.985137] CR2: 00007fb544dc7000 CR3: 0000000104036003 CR4: 00000000003706e0 # [ 65.999325] Call Trace: # [ 66.008274] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x60 # [ 66.019948] direct_entry.cold+0x2c/0x38 # [ 66.030542] full_proxy_write+0x56/0x80 # [ 66.041041] vfs_write+0xea/0x390 # [ 66.050956] ksys_write+0x68/0xe0 # [ 66.060872] do_syscall_64+0x33/0x40 # [ 66.071080] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 66.082953] RIP: 0033:0x7fb544ed6f33 # [ 66.093158] 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 # [ 66.120360] RSP: 002b:00007ffd2a05ebe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 66.135036] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fb544ed6f33 # [ 66.149226] RDX: 0000000000000017 RSI: 00007fb544dc7000 RDI: 0000000000000001 # [ 66.163413] RBP: 00007fb544dc7000 R08: 00007fb544dc6010 R09: 0000000000000000 # [ 66.177603] R10: 00007fb544fd11c0 R11: 0000000000000246 R12: 0000000000000001 # [ 66.191793] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 66.205995] irq event stamp: 0 # [ 66.215617] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 66.228836] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 66.244189] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 66.259544] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 66.272762] ---[ end trace 7d1a79d3f1134232 ]--- # [ 66.284136] lkdtm: Saturation detected: still saturated # REFCOUNT_INC_SATURATED: saw 'Saturation detected: still saturated': ok ok 52 selftests: lkdtm: REFCOUNT_INC_SATURATED.sh # selftests: lkdtm: REFCOUNT_DEC_SATURATED.sh # [ 66.396386] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 66.408659] lkdtm: attempting bad refcount_dec() from saturated # [ 66.415277] ------------[ cut here ]------------ # [ 66.420432] refcount_t: decrement hit 0; leaking memory. # [ 66.426393] WARNING: CPU: 3 PID: 2418 at lib/refcount.c:31 refcount_warn_saturate+0xdf/0xf0 # [ 66.435732] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 66.468371] CPU: 3 PID: 2418 Comm: cat Tainted: G D W 5.10.128-cip11 #1 # [ 66.477052] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 66.483863] RIP: 0010:refcount_warn_saturate+0xdf/0xf0 # [ 66.489634] Code: ff 48 c7 c7 d0 b9 c5 af c6 05 04 1d 76 01 01 e8 ad fb 92 00 0f 0b c3 48 c7 c7 a0 b9 c5 af c6 05 ef 1c 76 01 01 e8 97 fb 92 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 # [ 66.510645] RSP: 0018:ffff9fa842dd7e48 EFLAGS: 00010286 # [ 66.516495] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 # [ 66.530675] RDX: ffff962c3adac660 RSI: ffff962c3ad9bf70 RDI: ffff962c3ad9bf70 # [ 66.538647] RBP: ffffffffafcbff3c R08: 0000000000000000 R09: 0000000000000000 # [ 66.546622] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 66.554594] R13: ffff9fa842dd7f10 R14: ffff9fa842dd7f10 R15: ffff962bc373c000 # [ 66.562566] FS: 00007f08e386c580(0000) GS:ffff962c3ad80000(0000) knlGS:0000000000000000 # [ 66.571607] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 66.578027] CR2: 00007f08e3685000 CR3: 00000001040ec002 CR4: 00000000003706e0 # [ 66.586002] Call Trace: # [ 66.588735] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5b # [ 66.594214] direct_entry.cold+0x2c/0x38 # [ 66.598597] full_proxy_write+0x56/0x80 # [ 66.602887] vfs_write+0xea/0x390 # [ 66.606588] ksys_write+0x68/0xe0 # [ 66.610289] do_syscall_64+0x33/0x40 # [ 66.614283] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 66.619946] RIP: 0033:0x7f08e3794f33 # [ 66.623940] 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 # [ 66.651134] RSP: 002b:00007ffde76c2248 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 66.659595] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f08e3794f33 # [ 66.667568] RDX: 0000000000000017 RSI: 00007f08e3685000 RDI: 0000000000000001 # [ 66.675542] RBP: 00007f08e3685000 R08: 00007f08e3684010 R09: 0000000000000000 # [ 66.683516] R10: 00007f08e388f1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 66.691491] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 66.699468] irq event stamp: 0 # [ 66.702906] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 66.709913] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 66.719073] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 66.728211] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 66.735214] ---[ end trace 7d1a79d3f1134233 ]--- # [ 66.746586] 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 # [ 66.841693] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 66.852474] lkdtm: attempting bad refcount_dec() from saturated # [ 66.865295] ------------[ cut here ]------------ # [ 66.876651] refcount_t: saturated; leaking memory. # [ 66.888270] WARNING: CPU: 0 PID: 2453 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 # [ 66.903828] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 66.936471] CPU: 0 PID: 2453 Comm: cat Tainted: G D W 5.10.128-cip11 #1 # [ 66.951322] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 66.964387] RIP: 0010:refcount_warn_saturate+0x49/0xf0 # [ 66.976303] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 98 1d 76 01 00 75 f2 48 c7 c7 20 b9 c5 af c6 05 88 1d 76 01 01 e8 2d fc 92 00 <0f> 0b c3 80 3d 78 1d 76 01 00 75 d3 48 c7 c7 48 b9 c5 af c6 05 68 # [ 67.003569] RSP: 0018:ffff9fa842e57e48 EFLAGS: 00010286 # [ 67.015608] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 # [ 67.029818] RDX: ffff962c3ac2c660 RSI: ffff962c3ac1bf70 RDI: ffff962c3ac1bf70 # [ 67.044039] RBP: ffffffffafcbff53 R08: 0000000000000000 R09: 0000000000000000 # [ 67.058198] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 67.072422] R13: ffff9fa842e57f10 R14: ffff9fa842e57f10 R15: ffff962bc591b000 # [ 67.086592] FS: 00007ff56c3c3580(0000) GS:ffff962c3ac00000(0000) knlGS:0000000000000000 # [ 67.101899] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 67.114497] CR2: 00007ff56c1dc000 CR3: 0000000104d9c004 CR4: 00000000003706f0 # [ 67.128688] Call Trace: # [ 67.137654] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x60 # [ 67.149320] direct_entry.cold+0x2c/0x38 # [ 67.159920] full_proxy_write+0x56/0x80 # [ 67.170385] vfs_write+0xea/0x390 # [ 67.180345] ksys_write+0x68/0xe0 # [ 67.190266] do_syscall_64+0x33/0x40 # [ 67.200474] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 67.212324] RIP: 0033:0x7ff56c2ebf33 # [ 67.222513] 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 # [ 67.249719] RSP: 002b:00007fffe3136cd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 67.264382] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007ff56c2ebf33 # [ 67.278559] RDX: 0000000000000017 RSI: 00007ff56c1dc000 RDI: 0000000000000001 # [ 67.292773] RBP: 00007ff56c1dc000 R08: 00007ff56c1db010 R09: 0000000000000000 # [ 67.306957] R10: 00007ff56c3e61c0 R11: 0000000000000246 R12: 0000000000000001 # [ 67.321152] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 67.335345] irq event stamp: 0 # [ 67.344980] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 67.358197] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 67.373541] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 67.388917] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 67.402121] ---[ end trace 7d1a79d3f1134234 ]--- # [ 67.407306] lkdtm: Saturation detected: still saturated # REFCOUNT_ADD_SATURATED: saw 'Saturation detected: still saturated': ok ok 54 selftests: lkdtm: REFCOUNT_ADD_SATURATED.sh # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh # [ 67.521821] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 67.532873] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 67.546584] ------------[ cut here ]------------ # [ 67.557948] refcount_t: saturated; leaking memory. # [ 67.569522] WARNING: CPU: 0 PID: 2485 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 # [ 67.585107] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 67.617714] CPU: 0 PID: 2485 Comm: cat Tainted: G D W 5.10.128-cip11 #1 # [ 67.632611] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 67.645616] RIP: 0010:refcount_warn_saturate+0x87/0xf0 # [ 67.657638] Code: 05 68 1d 76 01 01 e8 0e fc 92 00 0f 0b c3 80 3d 5b 1d 76 01 00 75 b4 48 c7 c7 20 b9 c5 af c6 05 4b 1d 76 01 01 e8 ef fb 92 00 <0f> 0b c3 80 3d 39 1d 76 01 00 75 95 48 c7 c7 78 b9 c5 af c6 05 29 # [ 67.684777] RSP: 0018:ffff9fa842eefe38 EFLAGS: 00010282 # [ 67.696839] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 67.711033] RDX: ffff962c3ac2c660 RSI: ffff962c3ac1bf70 RDI: ffff962c3ac1bf70 # [ 67.725228] RBP: ffffffffafcbfb80 R08: 0000000000000000 R09: 0000000000000000 # [ 67.739423] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 67.753633] R13: ffff9fa842eeff10 R14: ffff9fa842eeff10 R15: ffff962bc2bad000 # [ 67.767811] FS: 00007f0b5e404580(0000) GS:ffff962c3ac00000(0000) knlGS:0000000000000000 # [ 67.783082] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 67.795711] CR2: 00007f0b5e21d000 CR3: 0000000102ac8006 CR4: 00000000003706f0 # [ 67.809908] Call Trace: # [ 67.818864] __refcount_add_not_zero.constprop.0+0x2a/0x31 # [ 67.831209] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x72 # [ 67.843742] direct_entry.cold+0x2c/0x38 # [ 67.854350] full_proxy_write+0x56/0x80 # [ 67.864844] vfs_write+0xea/0x390 # [ 67.874788] ksys_write+0x68/0xe0 # [ 67.884706] do_syscall_64+0x33/0x40 # [ 67.894915] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 67.906746] RIP: 0033:0x7f0b5e32cf33 # [ 67.916984] 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 # [ 67.944157] RSP: 002b:00007ffc5f816d38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 67.958838] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f0b5e32cf33 # [ 67.973025] RDX: 0000000000000020 RSI: 00007f0b5e21d000 RDI: 0000000000000001 # [ 67.987232] RBP: 00007f0b5e21d000 R08: 00007f0b5e21c010 R09: 0000000000000000 # [ 68.001410] R10: 00007f0b5e4271c0 R11: 0000000000000246 R12: 0000000000000001 # [ 68.015627] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 68.029808] irq event stamp: 0 # [ 68.039437] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 68.052652] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 68.068026] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 68.083369] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 68.096595] ---[ end trace 7d1a79d3f1134235 ]--- # [ 68.107966] lkdtm: Saturation detected: still saturated # REFCOUNT_INC_NOT_ZERO_SATURATED: saw 'call trace:': ok ok 55 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh # [ 68.209263] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 68.220947] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 68.228451] ------------[ cut here ]------------ # [ 68.239806] refcount_t: saturated; leaking memory. # [ 68.245185] WARNING: CPU: 3 PID: 2517 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 # [ 68.254527] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 68.287161] CPU: 3 PID: 2517 Comm: cat Tainted: G D W 5.10.128-cip11 #1 # [ 68.295814] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 68.302623] RIP: 0010:refcount_warn_saturate+0x87/0xf0 # [ 68.308365] Code: 05 68 1d 76 01 01 e8 0e fc 92 00 0f 0b c3 80 3d 5b 1d 76 01 00 75 b4 48 c7 c7 20 b9 c5 af c6 05 4b 1d 76 01 01 e8 ef fb 92 00 <0f> 0b c3 80 3d 39 1d 76 01 00 75 95 48 c7 c7 78 b9 c5 af c6 05 29 # [ 68.329350] RSP: 0018:ffff9fa842f47e38 EFLAGS: 00010282 # [ 68.335190] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 68.343163] RDX: ffff962c3adac660 RSI: ffff962c3ad9bf70 RDI: ffff962c3ad9bf70 # [ 68.351139] RBP: ffffffffafcbfba0 R08: 0000000000000000 R09: 0000000000000000 # [ 68.359112] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 68.367086] R13: ffff9fa842f47f10 R14: ffff9fa842f47f10 R15: ffff962bc3570000 # [ 68.375059] FS: 00007fcb98f06580(0000) GS:ffff962c3ad80000(0000) knlGS:0000000000000000 # [ 68.384098] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 68.390509] CR2: 00007fcb98d1f000 CR3: 0000000104f36001 CR4: 00000000003706e0 # [ 68.404695] Call Trace: # [ 68.413641] __refcount_add_not_zero.constprop.0+0x2a/0x31 # [ 68.425988] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x72 # [ 68.438525] direct_entry.cold+0x2c/0x38 # [ 68.442909] full_proxy_write+0x56/0x80 # [ 68.447221] vfs_write+0xea/0x390 # [ 68.450942] ksys_write+0x68/0xe0 # [ 68.454644] do_syscall_64+0x33/0x40 # [ 68.464845] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 68.470508] RIP: 0033:0x7fcb98e2ef33 # [ 68.474509] 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 # [ 68.501697] RSP: 002b:00007ffe640af178 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 68.510153] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fcb98e2ef33 # [ 68.518121] RDX: 0000000000000020 RSI: 00007fcb98d1f000 RDI: 0000000000000001 # [ 68.526082] RBP: 00007fcb98d1f000 R08: 00007fcb98d1e010 R09: 0000000000000000 # [ 68.534050] R10: 00007fcb98f291c0 R11: 0000000000000246 R12: 0000000000000001 # [ 68.542019] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 68.549994] irq event stamp: 0 # [ 68.553400] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 68.560402] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 68.569538] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 68.578673] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 68.585671] ---[ end trace 7d1a79d3f1134236 ]--- # [ 68.590824] 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 # [ 68.688310] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 68.697605] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 68.711304] ------------[ cut here ]------------ # [ 68.722674] refcount_t: underflow; use-after-free. # [ 68.734253] WARNING: CPU: 1 PID: 2552 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 # [ 68.749788] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 68.782452] CPU: 1 PID: 2552 Comm: cat Tainted: G D W 5.10.128-cip11 #1 # [ 68.797298] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 68.810320] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 # [ 68.822275] Code: 05 4b 1d 76 01 01 e8 ef fb 92 00 0f 0b c3 80 3d 39 1d 76 01 00 75 95 48 c7 c7 78 b9 c5 af c6 05 29 1d 76 01 01 e8 d0 fb 92 00 <0f> 0b c3 80 3d 18 1d 76 01 00 0f 85 72 ff ff ff 48 c7 c7 d0 b9 c5 # [ 68.843285] RSP: 0018:ffff9fa842fefe40 EFLAGS: 00010286 # [ 68.855330] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 # [ 68.863301] RDX: ffff962c3acac660 RSI: ffff962c3ac9bf70 RDI: ffff962c3ac9bf70 # [ 68.877481] RBP: ffffffffafcbfbc0 R08: 0000000000000000 R09: 0000000000000000 # [ 68.885455] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 68.893428] R13: ffff9fa842feff10 R14: ffff9fa842feff10 R15: ffff962bc4f8f000 # [ 68.907613] FS: 00007f08334c4580(0000) GS:ffff962c3ac80000(0000) knlGS:0000000000000000 # [ 68.916657] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 68.929286] CR2: 00007f08332dd000 CR3: 000000010005c002 CR4: 00000000003706e0 # [ 68.937260] Call Trace: # [ 68.946202] __refcount_sub_and_test.constprop.0+0x34/0x40 # [ 68.958546] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x72 # [ 68.971084] direct_entry.cold+0x2c/0x38 # [ 68.981679] full_proxy_write+0x56/0x80 # [ 68.992176] vfs_write+0xea/0x390 # [ 69.002096] ksys_write+0x68/0xe0 # [ 69.012010] do_syscall_64+0x33/0x40 # [ 69.022217] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 69.034074] RIP: 0033:0x7f08333ecf33 # [ 69.038065] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 69.065261] RSP: 002b:00007ffd6007aab8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 69.073721] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f08333ecf33 # [ 69.087908] RDX: 0000000000000020 RSI: 00007f08332dd000 RDI: 0000000000000001 # [ 69.095883] RBP: 00007f08332dd000 R08: 00007f08332dc010 R09: 0000000000000000 # [ 69.110069] R10: 00007f08334e71c0 R11: 0000000000000246 R12: 0000000000000001 # [ 69.118047] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 69.132236] irq event stamp: 0 # [ 69.141862] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 69.148870] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 69.164218] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 69.179574] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 69.186579] ---[ end trace 7d1a79d3f1134237 ]--- # [ 69.197947] lkdtm: Saturation detected: still saturated # REFCOUNT_DEC_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok ok 57 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh # [ 69.313649] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 69.323513] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 69.331006] ------------[ cut here ]------------ # [ 69.336167] refcount_t: underflow; use-after-free. # [ 69.347741] WARNING: CPU: 3 PID: 2587 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 # [ 69.363278] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_chardev cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 69.389743] CPU: 3 PID: 2587 Comm: cat Tainted: G D W 5.10.128-cip11 #1 # [ 69.404608] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 69.411448] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 # [ 69.417211] Code: 05 4b 1d 76 01 01 e8 ef fb 92 00 0f 0b c3 80 3d 39 1d 76 01 00 75 95 48 c7 c7 78 b9 c5 af c6 05 29 1d 76 01 01 e8 d0 fb 92 00 <0f> 0b c3 80 3d 18 1d 76 01 00 0f 85 72 ff ff ff 48 c7 c7 d0 b9 c5 # [ 69.438197] RSP: 0018:ffff9fa8430a7e40 EFLAGS: 00010286 # [ 69.444033] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 # [ 69.451996] RDX: ffff962c3adac660 RSI: ffff962c3ad9bf70 RDI: ffff962c3ad9bf70 # [ 69.459986] RBP: ffffffffafcbfbe0 R08: 0000000000000000 R09: 0000000000000000 # [ 69.467958] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 69.475942] R13: ffff9fa8430a7f10 R14: ffff9fa8430a7f10 R15: ffff962bc34d6000 # [ 69.483917] FS: 00007fe651bd5580(0000) GS:ffff962c3ad80000(0000) knlGS:0000000000000000 # [ 69.499166] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 69.505575] CR2: 00007fe6519ee000 CR3: 0000000104e96003 CR4: 00000000003706e0 # [ 69.513545] Call Trace: # [ 69.516268] __refcount_sub_and_test.constprop.0+0x34/0x40 # [ 69.522420] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x72 # [ 69.528743] direct_entry.cold+0x2c/0x38 # [ 69.533124] full_proxy_write+0x56/0x80 # [ 69.537407] vfs_write+0xea/0x390 # [ 69.541106] ksys_write+0x68/0xe0 # [ 69.544806] do_syscall_64+0x33/0x40 # [ 69.548797] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 69.554438] RIP: 0033:0x7fe651afdf33 # [ 69.558428] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 69.579413] RSP: 002b:00007fffb2b63448 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 69.587871] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fe651afdf33 # [ 69.595843] RDX: 0000000000000020 RSI: 00007fe6519ee000 RDI: 0000000000000001 # [ 69.603815] RBP: 00007fe6519ee000 R08: 00007fe6519ed010 R09: 0000000000000000 # [ 69.611787] R10: 00007fe651bf81c0 R11: 0000000000000246 R12: 0000000000000001 # [ 69.619761] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 69.627737] irq event stamp: 0 # [ 69.637355] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 69.644361] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 69.659710] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 69.668847] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 69.675845] ---[ end trace 7d1a79d3f1134238 ]--- # [ 69.680990] 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 # [ 69.828398] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 69.836513] lkdtm: attempting good copy_to_user of correct size # [ 69.843137] 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 # [ 69.934124] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 69.943805] lkdtm: attempting good copy_from_user of correct size # [ 69.956831] 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 # [ 70.054533] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 70.064192] lkdtm: attempting good copy_to_user inside whitelist # [ 70.077153] 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 # [ 70.191600] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 70.203137] lkdtm: attempting good copy_from_user inside whitelist # [ 70.216270] 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 # [ 70.310668] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 70.323313] lkdtm: good_stack: ffff9fa84349fe20-ffff9fa84349fe40 # [ 70.336260] lkdtm: bad_stack : ffff9fa84349fda8-ffff9fa84349fdc8 # [ 70.349181] lkdtm: attempting good copy_to_user of local stack # [ 70.361926] 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 # [ 70.480687] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 70.493702] lkdtm: good_stack: ffff9fa843517e20-ffff9fa843517e40 # [ 70.506625] lkdtm: bad_stack : ffff9fa843517da8-ffff9fa843517dc8 # [ 70.519577] lkdtm: attempting good copy_from_user of local stack # [ 70.532483] 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 # [ 70.658363] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 70.670496] lkdtm: good_stack: ffff9fa8435efe20-ffff9fa8435efe40 # [ 70.677214] lkdtm: bad_stack : ffff9fa8435efff8-ffff9fa8435f0018 # [ 70.683933] lkdtm: attempting good copy_to_user of local stack # [ 70.690455] lkdtm: attempting bad copy_to_user of distant stack # [ 70.697068] 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 # [ 70.808476] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 70.814763] lkdtm: attempting good copy_to_user from kernel rodata: ffffffffaf8d9f10 # [ 70.829634] lkdtm: attempting bad copy_to_user from kernel text: ffffffffae6d1460 # [ 70.844202] 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 # [ 70.960456] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 70.968113] lkdtm: checking unused part of the thread stack (15928 bytes)... # [ 70.982210] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) # [ 70.996191] lkdtm: FAIL: the thread stack is NOT properly erased # [ 71.009170] CPU: 0 PID: 2952 Comm: cat Tainted: G D W 5.10.128-cip11 #1 # [ 71.023961] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 71.030766] Call Trace: # [ 71.033497] dump_stack+0x77/0x97 # [ 71.037201] lkdtm_STACKLEAK_ERASING+0x116/0x140 # [ 71.042356] direct_entry.cold+0x2c/0x38 # [ 71.046734] full_proxy_write+0x56/0x80 # [ 71.051007] vfs_write+0xea/0x390 # [ 71.054705] ksys_write+0x68/0xe0 # [ 71.058403] do_syscall_64+0x33/0x40 # [ 71.062382] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 71.068023] RIP: 0033:0x7f50cae52f33 # [ 71.072010] 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 # [ 71.092993] RSP: 002b:00007ffc1f6cc448 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 71.101450] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f50cae52f33 # [ 71.109421] RDX: 0000000000000012 RSI: 00007f50cad43000 RDI: 0000000000000001 # [ 71.117390] RBP: 00007f50cad43000 R08: 00007f50cad42010 R09: 0000000000000000 # [ 71.125359] R10: 00007f50caf4d1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 71.133327] 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 # [ 71.243047] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 71.253297] lkdtm: Calling matched prototype ... # [ 71.258461] lkdtm: Calling mismatched prototype ... # [ 71.263907] 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 / #