[Enter `^Ec?' for help] coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 bootblock starting... CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz CPU: ID 806e9, Kabylake H0, ucode: 00000097 CPU: AES supported, TXT NOT supported, VT supported MCH: device id 590c (rev 02) is Kabylake-Y PCH: device id 9d4b (rev 21) is Kabylake-Y iHDCP 2.2 Premium IGD: device id 591c (rev 02) is Amberlake ULX GT2 VBOOT: Loading verstage. CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/verstage' CBFS: Found @ offset 1a0a80 size f47c coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 verstage starting... Probing TPM: . done! TPM ready after 0 ms Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_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 34281 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 2. AP: slot 2 apic_id 3. 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...CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 apic_id: 0x02 done. Setting up local APIC...Setting up local APIC...Skip microcode update apic_id: 0x03 done. CPU #3 initialized Skip microcode update apic_id: 0x01 done. CPU #2 initialized Skip microcode update CPU #1 initialized bsp_do_flight_plan done after 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 376143 run 170316 exit 0 Enumerating buses... Show all devs... Before device enumeration. Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 DOMAIN: 0000: enabled 1 APIC: 00: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 PCI: 00:15.1: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PCI: 00:1f.1: enabled 1 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 USB0 port 0: enabled 1 I2C: 00:5c: enabled 1 I2C: 00:15: enabled 1 I2C: 00:39: enabled 1 I2C: 00:3a: enabled 1 I2C: 00:1a: enabled 1 PCI: 00:00.0: enabled 1 SPI: 00: enabled 1 PNP: 0c09.0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 APIC: 01: enabled 1 APIC: 03: enabled 1 APIC: 02: enabled 1 Compare with tree... Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 APIC: 00: enabled 1 APIC: 01: enabled 1 APIC: 03: enabled 1 APIC: 02: enabled 1 DOMAIN: 0000: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 USB0 port 0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 I2C: 00:5c: enabled 1 PCI: 00:15.1: enabled 1 I2C: 00:15: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 I2C: 00:39: enabled 1 I2C: 00:3a: enabled 1 I2C: 00:1a: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 SPI: 00: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PNP: 0c09.0: enabled 1 PCI: 00:1f.1: enabled 1 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 Root Device scanning... root_dev_scan_bus for Root Device CPU_CLUSTER: 0 enabled DOMAIN: 0000 enabled DOMAIN: 0000 scanning... PCI: pci_scan_bus for bus 00 PCI: 00:00.0 [8086/0000] ops PCI: 00:00.0 [8086/590c] enabled PCI: 00:02.0 [8086/0000] ops PCI: 00:02.0 [8086/591c] enabled PCI: 00:04.0 [8086/1903] enabled PCI: 00:08.0 [8086/1911] enabled PCI: 00:14.0 [8086/0000] bus ops PCI: 00:14.0 [8086/9d2f] enabled PCI: 00:14.2 [8086/9d31] enabled PCI: 00:15.0 [8086/0000] bus ops PCI: 00:15.0 [8086/9d60] enabled PCI: 00:15.1 [8086/0000] bus ops PCI: 00:15.1 [8086/9d61] enabled PCI: 00:16.0 [8086/0000] ops PCI: 00:16.0 [8086/9d3a] enabled PCI: 00:19.0 [8086/0000] ops PCI: 00:19.0 [8086/9d66] enabled PCI: 00:19.1 [8086/0000] bus ops PCI: 00:19.1 [8086/9d65] enabled PCI: 00:1c.0 [8086/0000] bus ops PCI: 00:1c.0 [8086/9d10] enabled PCI: 00:1e.0 [8086/0000] ops PCI: 00:1e.0 [8086/9d27] enabled PCI: 00:1e.2 [8086/0000] bus ops PCI: 00:1e.2 [8086/9d29] enabled PCI: 00:1e.4 [8086/9d2b] enabled PCI: 00:1e.6 [8086/0000] ops PCI: 00:1e.6 [8086/9d2d] enabled PCI: 00:1f.0 [8086/0000] bus ops PCI: 00:1f.0 [8086/9d4b] enabled PCI: Static device PCI: 00:1f.1 not found, disabling it. PCI: 00:1f.2 [8086/0000] bus ops PCI: 00:1f.2 [8086/9d21] enabled PCI: 00:1f.3 [8086/0000] bus ops PCI: 00:1f.3 [8086/9d71] enabled PCI: 00:1f.4 [8086/0000] bus ops PCI: 00:1f.4 [8086/9d23] enabled PCI: 00:1f.5 [8086/0000] bus ops PCI: 00:1f.5 [8086/9d24] enabled PCI: 00:14.0 scanning... scan_usb_bus for PCI: 00:14.0 USB0 port 0 enabled USB0 port 0 scanning... scan_usb_bus for USB0 port 0 USB2 port 0 enabled USB2 port 1 enabled USB2 port 2 enabled USB2 port 4 enabled USB2 port 8 enabled USB2 port 0 scanning... scan_usb_bus for USB2 port 0 scan_usb_bus for USB2 port 0 done scan_bus: scanning of bus USB2 port 0 took 8970 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 8962 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 8968 usecs USB2 port 4 scanning... scan_usb_bus for USB2 port 4 scan_usb_bus for USB2 port 4 done scan_bus: scanning of bus USB2 port 4 took 8963 usecs USB2 port 8 scanning... scan_usb_bus for USB2 port 8 scan_usb_bus for USB2 port 8 done scan_bus: scanning of bus USB2 port 8 took 8962 usecs scan_usb_bus for USB0 port 0 done scan_bus: scanning of bus USB0 port 0 took 90917 usecs scan_usb_bus for PCI: 00:14.0 done scan_bus: scanning of bus PCI: 00:14.0 took 107695 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 14141 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 14151 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 22362 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 53525 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 13866 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 11322 usecs PCI: 00:1f.2 scanning... scan_lpc_bus for PCI: 00:1f.2 scan_lpc_bus for PCI: 00:1f.2 done scan_bus: scanning of bus PCI: 00:1f.2 took 9258 usecs PCI: 00:1f.3 scanning... scan_bus: scanning of bus PCI: 00:1f.3 took 2719 usecs PCI: 00:1f.4 scanning... scan_generic_bus for PCI: 00:1f.4 scan_generic_bus for PCI: 00:1f.4 done scan_bus: scanning of bus PCI: 00:1f.4 took 10038 usecs PCI: 00:1f.5 scanning... scan_generic_bus for PCI: 00:1f.5 scan_generic_bus for PCI: 00:1f.5 done scan_bus: scanning of bus PCI: 00:1f.5 took 10046 usecs scan_bus: scanning of bus DOMAIN: 0000 took 465918 usecs root_dev_scan_bus for Root Device done scan_bus: scanning of bus Root Device took 486022 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 825753 exit 39313 found VGA at PCI: 00:02.0 Setting up VGA for PCI: 00:02.0 Setting PCI_BRIDGE_CTL_VGA for bridge DOMAIN: 0000 Setting PCI_BRIDGE_CTL_VGA for bridge Root Device Allocating resources... Reading resources... Root Device read_resources bus 0 link: 0 CPU_CLUSTER: 0 read_resources bus 0 link: 0 CPU_CLUSTER: 0 read_resources bus 0 link: 0 done DOMAIN: 0000 read_resources bus 0 link: 0 PCI: 00:14.0 read_resources bus 0 link: 0 USB0 port 0 read_resources bus 0 link: 0 USB0 port 0 read_resources bus 0 link: 0 done PCI: 00:14.0 read_resources bus 0 link: 0 done PCI: 00:15.0 read_resources bus 1 link: 0 PCI: 00:15.0 read_resources bus 1 link: 0 done PCI: 00:15.1 read_resources bus 2 link: 0 PCI: 00:15.1 read_resources bus 2 link: 0 done PCI: 00:19.1 read_resources bus 3 link: 0 PCI: 00:19.1 read_resources bus 3 link: 0 done PCI: 00:1c.0 read_resources bus 1 link: 0 PCI: 00:1c.0 read_resources bus 1 link: 0 done PCI: 00:1e.2 read_resources bus 4 link: 0 PCI: 00:1e.2 read_resources bus 4 link: 0 done PCI: 00:1f.0 read_resources bus 0 link: 0 PCI: 00:1f.0 read_resources bus 0 link: 0 done DOMAIN: 0000 read_resources bus 0 link: 0 done Root Device read_resources bus 0 link: 0 done Done reading resources. Show resources in subtree (Root Device)...After reading. Root Device child on link 0 CPU_CLUSTER: 0 CPU_CLUSTER: 0 child on link 0 APIC: 00 APIC: 00 APIC: 01 APIC: 03 APIC: 02 DOMAIN: 0000 child on link 0 PCI: 00:00.0 DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffff flags 40040100 index 10000000 DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffffffff flags 40040200 index 10000100 PCI: 00:00.0 PCI: 00:00.0 resource base e0000000 size 4000000 align 0 gran 0 limit 0 flags f0000200 index 0 PCI: 00:00.0 resource base fed10000 size 8000 align 0 gran 0 limit 0 flags f0000200 index 1 PCI: 00:00.0 resource base fed18000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 2 PCI: 00:00.0 resource base fed19000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 3 PCI: 00:00.0 resource base fed84000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 4 PCI: 00:00.0 resource base fed80000 size 4000 align 0 gran 0 limit 0 flags f0000200 index 5 PCI: 00:00.0 resource base fed90000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 6 PCI: 00:00.0 resource base fed91000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 7 PCI: 00:00.0 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 8 PCI: 00:00.0 resource base c0000 size 7af40000 align 0 gran 0 limit 0 flags e0004200 index 9 PCI: 00:00.0 resource base 7b000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index b PCI: 00:00.0 resource base 7b800000 size 4800000 align 0 gran 0 limit 0 flags f0000200 index c PCI: 00:00.0 resource base 100000000 size 7f000000 align 0 gran 0 limit 0 flags e0004200 index d PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index e PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index f PCI: 00:02.0 PCI: 00:02.0 resource base 0 size 1000000 align 24 gran 24 limit ffffffffffffffff flags 201 index 10 PCI: 00:02.0 resource base 0 size 10000000 align 28 gran 28 limit ffffffffffffffff flags 1201 index 18 PCI: 00:02.0 resource base 0 size 40 align 6 gran 6 limit ffff flags 100 index 20 PCI: 00:04.0 PCI: 00:04.0 resource base 0 size 8000 align 15 gran 15 limit ffffffffffffffff flags 201 index 10 PCI: 00:08.0 PCI: 00:08.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:14.0 child on link 0 USB0 port 0 PCI: 00:14.0 resource base 0 size 10000 align 16 gran 16 limit ffffffffffffffff flags 201 index 10 USB0 port 0 child on link 0 USB2 port 0 USB2 port 0 USB2 port 1 USB2 port 2 USB2 port 4 USB2 port 8 PCI: 00:14.1 PCI: 00:14.2 PCI: 00:14.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:15.0 child on link 0 I2C: 01:5c PCI: 00:15.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 01:5c PCI: 00:15.1 child on link 0 I2C: 02:15 PCI: 00:15.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 02:15 PCI: 00:15.2 PCI: 00:15.3 PCI: 00:16.0 PCI: 00:16.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:16.1 PCI: 00:16.2 PCI: 00:16.3 PCI: 00:16.4 PCI: 00:17.0 PCI: 00:19.0 PCI: 00:19.0 resource base fe034000 size 1000 align 12 gran 12 limit ffffffffffffffff flags c0000200 index 10 PCI: 00:19.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 PCI: 00:19.1 child on link 0 I2C: 03:39 PCI: 00:19.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 03:39 I2C: 03:3a I2C: 03:1a PCI: 00:19.2 PCI: 00:1c.0 child on link 0 PCI: 01:00.0 PCI: 00:1c.0 resource base 0 size 0 align 12 gran 12 limit ffff flags 80102 index 1c PCI: 00:1c.0 resource base 0 size 0 align 20 gran 20 limit ffffffffffffffff flags 81202 index 24 PCI: 00:1c.0 resource base 0 size 0 align 20 gran 20 limit ffffffff flags 80202 index 20 PCI: 01:00.0 PCI: 01:00.0 resource base 0 size 2000 align 13 gran 13 limit ffffffffffffffff flags 201 index 10 PCI: 00:1c.1 PCI: 00:1c.2 PCI: 00:1c.3 PCI: 00:1c.4 PCI: 00:1c.5 PCI: 00:1c.6 PCI: 00:1c.7 PCI: 00:1d.0 PCI: 00:1d.1 PCI: 00:1d.2 PCI: 00:1d.3 PCI: 00:1e.0 PCI: 00:1e.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1e.1 PCI: 00:1e.2 child on link 0 SPI: 00 PCI: 00:1e.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 SPI: 00 PCI: 00:1e.3 PCI: 00:1e.4 PCI: 00:1e.4 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1e.5 PCI: 00:1e.6 PCI: 00:1e.6 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.0 child on link 0 PNP: 0c09.0 PCI: 00:1f.0 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0000100 index 0 PNP: 0c09.0 PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0 PCI: 00:1f.1 PCI: 00:1f.2 PCI: 00:1f.2 resource base 0 size 4000 align 14 gran 14 limit ffffffff flags 200 index 10 PCI: 00:1f.2 resource base fe000000 size 10000 align 0 gran 0 limit 0 flags d0000200 index 48 PCI: 00:1f.2 resource base 1800 size 100 align 0 gran 0 limit 0 flags c0000100 index 40 PCI: 00:1f.3 PCI: 00:1f.3 resource base 0 size 4000 align 14 gran 14 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.3 resource base 0 size 10000 align 16 gran 16 limit ffffffffffffffff flags 201 index 20 PCI: 00:1f.4 PCI: 00:1f.4 resource base efa0 size 20 align 0 gran 0 limit efbf flags f0000100 index 20 PCI: 00:1f.4 resource base 0 size 100 align 12 gran 8 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.5 PCI: 00:1f.5 resource base 0 size 1000 align 12 gran 12 limit ffffffff flags 200 index 10 PCI: 00:1f.6 DOMAIN: 0000 io: base: 0 size: 0 align: 0 gran: 0 limit: ffff PCI: 00:1c.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff PCI: 00:1c.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff done PCI: 00:02.0 20 * [0x0 - 0x3f] io DOMAIN: 0000 io: base: 40 size: 40 align: 6 gran: 0 limit: ffff done DOMAIN: 0000 mem: base: 0 size: 0 align: 0 gran: 0 limit: ffffffff PCI: 00:1c.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff PCI: 00:1c.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff done PCI: 00:1c.0 mem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffff PCI: 01:00.0 10 * [0x0 - 0x1fff] mem PCI: 00:1c.0 mem: base: 2000 size: 100000 align: 20 gran: 20 limit: ffffffff done PCI: 00:02.0 18 * [0x0 - 0xfffffff] prefmem PCI: 00:02.0 10 * [0x10000000 - 0x10ffffff] mem PCI: 00:1c.0 20 * [0x11000000 - 0x110fffff] mem PCI: 00:14.0 10 * [0x11100000 - 0x1110ffff] mem PCI: 00:1f.3 20 * [0x11110000 - 0x1111ffff] mem PCI: 00:04.0 10 * [0x11120000 - 0x11127fff] mem PCI: 00:1f.2 10 * [0x11128000 - 0x1112bfff] mem PCI: 00:1f.3 10 * [0x1112c000 - 0x1112ffff] mem PCI: 00:08.0 10 * [0x11130000 - 0x11130fff] mem PCI: 00:14.2 10 * [0x11131000 - 0x11131fff] mem PCI: 00:15.0 10 * [0x11132000 - 0x11132fff] mem PCI: 00:15.1 10 * [0x11133000 - 0x11133fff] mem PCI: 00:16.0 10 * [0x11134000 - 0x11134fff] mem PCI: 00:19.0 18 * [0x11135000 - 0x11135fff] mem PCI: 00:19.1 10 * [0x11136000 - 0x11136fff] mem PCI: 00:1e.0 10 * [0x11137000 - 0x11137fff] mem PCI: 00:1e.2 10 * [0x11138000 - 0x11138fff] mem PCI: 00:1e.4 10 * [0x11139000 - 0x11139fff] mem PCI: 00:1e.6 10 * [0x1113a000 - 0x1113afff] mem PCI: 00:1f.5 10 * [0x1113b000 - 0x1113bfff] mem PCI: 00:1f.4 10 * [0x1113c000 - 0x1113c0ff] mem DOMAIN: 0000 mem: base: 1113c100 size: 1113c100 align: 28 gran: 0 limit: ffffffff done avoid_fixed_resources: DOMAIN: 0000 avoid_fixed_resources:@DOMAIN: 0000 10000000 limit 0000ffff avoid_fixed_resources:@DOMAIN: 0000 10000100 limit ffffffff constrain_resources: PCI: 00:00.0 00 base e0000000 limit e3ffffff mem (fixed) constrain_resources: PCI: 00:00.0 08 base 00000000 limit 0009ffff mem (fixed) constrain_resources: PCI: 00:00.0 09 base 000c0000 limit 7affffff mem (fixed) constrain_resources: PCI: 00:00.0 0b base 7b000000 limit 7b7fffff mem (fixed) constrain_resources: PCI: 00:00.0 0c base 7b800000 limit 7fffffff mem (fixed) constrain_resources: PCI: 00:1f.0 00 base 00000000 limit 00000fff io (fixed) constrain_resources: PCI: 00:1f.2 40 base 00001800 limit 000018ff io (fixed) constrain_resources: PCI: 00:1f.4 20 base 0000efa0 limit 0000efbf io (fixed) avoid_fixed_resources:@DOMAIN: 0000 10000000 base 00001900 limit 0000ef9f avoid_fixed_resources:@DOMAIN: 0000 10000100 base c0000000 limit dfffffff Setting resources... DOMAIN: 0000 io: base:1900 size:40 align:6 gran:0 limit:ef9f PCI: 00:02.0 20 * [0x1c00 - 0x1c3f] io DOMAIN: 0000 io: next_base: 1c40 size: 40 align: 6 gran: 0 done PCI: 00:1c.0 io: base:ef9f size:0 align:12 gran:12 limit:ef9f PCI: 00:1c.0 io: next_base: ef9f size: 0 align: 12 gran: 12 done DOMAIN: 0000 mem: base:c0000000 size:1113c100 align:28 gran:0 limit:dfffffff PCI: 00:02.0 18 * [0xc0000000 - 0xcfffffff] prefmem PCI: 00:02.0 10 * [0xd0000000 - 0xd0ffffff] mem PCI: 00:1c.0 20 * [0xd1000000 - 0xd10fffff] mem PCI: 00:14.0 10 * [0xd1100000 - 0xd110ffff] mem PCI: 00:1f.3 20 * [0xd1110000 - 0xd111ffff] mem PCI: 00:04.0 10 * [0xd1120000 - 0xd1127fff] mem PCI: 00:1f.2 10 * [0xd1128000 - 0xd112bfff] mem PCI: 00:1f.3 10 * [0xd112c000 - 0xd112ffff] mem PCI: 00:08.0 10 * [0xd1130000 - 0xd1130fff] mem PCI: 00:14.2 10 * [0xd1131000 - 0xd1131fff] mem PCI: 00:15.0 10 * [0xd1132000 - 0xd1132fff] mem PCI: 00:15.1 10 * [0xd1133000 - 0xd1133fff] mem PCI: 00:16.0 10 * [0xd1134000 - 0xd1134fff] mem PCI: 00:19.0 18 * [0xd1135000 - 0xd1135fff] mem PCI: 00:19.1 10 * [0xd1136000 - 0xd1136fff] mem PCI: 00:1e.0 10 * [0xd1137000 - 0xd1137fff] mem PCI: 00:1e.2 10 * [0xd1138000 - 0xd1138fff] mem PCI: 00:1e.4 10 * [0xd1139000 - 0xd1139fff] mem PCI: 00:1e.6 10 * [0xd113a000 - 0xd113afff] mem PCI: 00:1f.5 10 * [0xd113b000 - 0xd113bfff] mem PCI: 00:1f.4 10 * [0xd113c000 - 0xd113c0ff] mem DOMAIN: 0000 mem: next_base: d113c100 size: 1113c100 align: 28 gran: 0 done PCI: 00:1c.0 prefmem: base:dfffffff size:0 align:20 gran:20 limit:dfffffff PCI: 00:1c.0 prefmem: next_base: dfffffff size: 0 align: 20 gran: 20 done PCI: 00:1c.0 mem: base:d1000000 size:100000 align:20 gran:20 limit:d10fffff PCI: 01:00.0 10 * [0xd1000000 - 0xd1001fff] mem PCI: 00:1c.0 mem: next_base: d1002000 size: 100000 align: 20 gran: 20 done Root Device assign_resources, bus 0 link: 0 DOMAIN: 0000 assign_resources, bus 0 link: 0 PCI: 00:02.0 10 <- [0x00d0000000 - 0x00d0ffffff] size 0x01000000 gran 0x18 mem64 PCI: 00:02.0 18 <- [0x00c0000000 - 0x00cfffffff] size 0x10000000 gran 0x1c prefmem64 PCI: 00:02.0 20 <- [0x0000001c00 - 0x0000001c3f] size 0x00000040 gran 0x06 io PCI: 00:04.0 10 <- [0x00d1120000 - 0x00d1127fff] size 0x00008000 gran 0x0f mem64 PCI: 00:08.0 10 <- [0x00d1130000 - 0x00d1130fff] size 0x00001000 gran 0x0c mem64 PCI: 00:14.0 10 <- [0x00d1100000 - 0x00d110ffff] size 0x00010000 gran 0x10 mem64 PCI: 00:14.0 assign_resources, bus 0 link: 0 PCI: 00:14.0 assign_resources, bus 0 link: 0 PCI: 00:14.2 10 <- [0x00d1131000 - 0x00d1131fff] size 0x00001000 gran 0x0c mem64 PCI: 00:15.0 10 <- [0x00d1132000 - 0x00d1132fff] size 0x00001000 gran 0x0c mem64 PCI: 00:15.0 assign_resources, bus 1 link: 0 PCI: 00:15.0 assign_resources, bus 1 link: 0 PCI: 00:15.1 10 <- [0x00d1133000 - 0x00d1133fff] size 0x00001000 gran 0x0c mem64 PCI: 00:15.1 assign_resources, bus 2 link: 0 PCI: 00:15.1 assign_resources, bus 2 link: 0 PCI: 00:16.0 10 <- [0x00d1134000 - 0x00d1134fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.0 18 <- [0x00d1135000 - 0x00d1135fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.1 10 <- [0x00d1136000 - 0x00d1136fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.1 assign_resources, bus 3 link: 0 PCI: 00:19.1 assign_resources, bus 3 link: 0 PCI: 00:1c.0 1c <- [0x000000ef9f - 0x000000ef9e] size 0x00000000 gran 0x0c bus 01 io PCI: 00:1c.0 24 <- [0x00dfffffff - 0x00dffffffe] size 0x00000000 gran 0x14 bus 01 prefmem PCI: 00:1c.0 20 <- [0x00d1000000 - 0x00d10fffff] size 0x00100000 gran 0x14 bus 01 mem PCI: 00:1c.0 assign_resources, bus 1 link: 0 PCI: 01:00.0 10 <- [0x00d1000000 - 0x00d1001fff] size 0x00002000 gran 0x0d mem64 PCI: 00:1c.0 assign_resources, bus 1 link: 0 PCI: 00:1e.0 10 <- [0x00d1137000 - 0x00d1137fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1e.2 10 <- [0x00d1138000 - 0x00d1138fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1e.2 assign_resources, bus 4 link: 0 PCI: 00:1e.2 assign_resources, bus 4 link: 0 PCI: 00:1e.4 10 <- [0x00d1139000 - 0x00d1139fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1e.6 10 <- [0x00d113a000 - 0x00d113afff] size 0x00001000 gran 0x0c mem64 PCI: 00:1f.0 assign_resources, bus 0 link: 0 PCI: 00:1f.0 assign_resources, bus 0 link: 0 LPC: Trying to open IO window from 800 size 1ff PCI: 00:1f.2 10 <- [0x00d1128000 - 0x00d112bfff] size 0x00004000 gran 0x0e mem PCI: 00:1f.3 10 <- [0x00d112c000 - 0x00d112ffff] size 0x00004000 gran 0x0e mem64 PCI: 00:1f.3 20 <- [0x00d1110000 - 0x00d111ffff] size 0x00010000 gran 0x10 mem64 PCI: 00:1f.4 10 <- [0x00d113c000 - 0x00d113c0ff] size 0x00000100 gran 0x08 mem64 PCI: 00:1f.5 10 <- [0x00d113b000 - 0x00d113bfff] size 0x00001000 gran 0x0c mem DOMAIN: 0000 assign_resources, bus 0 link: 0 Root Device assign_resources, bus 0 link: 0 Done setting resources. Show resources in subtree (Root Device)...After assigning values. Root Device child on link 0 CPU_CLUSTER: 0 CPU_CLUSTER: 0 child on link 0 APIC: 00 APIC: 00 APIC: 01 APIC: 03 APIC: 02 DOMAIN: 0000 child on link 0 PCI: 00:00.0 DOMAIN: 0000 resource base 1900 size 40 align 6 gran 0 limit ef9f flags 40040100 index 10000000 DOMAIN: 0000 resource base c0000000 size 1113c100 align 28 gran 0 limit dfffffff flags 40040200 index 10000100 PCI: 00:00.0 PCI: 00:00.0 resource base e0000000 size 4000000 align 0 gran 0 limit 0 flags f0000200 index 0 PCI: 00:00.0 resource base fed10000 size 8000 align 0 gran 0 limit 0 flags f0000200 index 1 PCI: 00:00.0 resource base fed18000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 2 PCI: 00:00.0 resource base fed19000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 3 PCI: 00:00.0 resource base fed84000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 4 PCI: 00:00.0 resource base fed80000 size 4000 align 0 gran 0 limit 0 flags f0000200 index 5 PCI: 00:00.0 resource base fed90000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 6 PCI: 00:00.0 resource base fed91000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 7 PCI: 00:00.0 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 8 PCI: 00:00.0 resource base c0000 size 7af40000 align 0 gran 0 limit 0 flags e0004200 index 9 PCI: 00:00.0 resource base 7b000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index b PCI: 00:00.0 resource base 7b800000 size 4800000 align 0 gran 0 limit 0 flags f0000200 index c PCI: 00:00.0 resource base 100000000 size 7f000000 align 0 gran 0 limit 0 flags e0004200 index d PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index e PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index f PCI: 00:02.0 PCI: 00:02.0 resource base d0000000 size 1000000 align 24 gran 24 limit d0ffffff flags 60000201 index 10 PCI: 00:02.0 resource base c0000000 size 10000000 align 28 gran 28 limit cfffffff flags 60001201 index 18 PCI: 00:02.0 resource base 1c00 size 40 align 6 gran 6 limit 1c3f flags 60000100 index 20 PCI: 00:04.0 PCI: 00:04.0 resource base d1120000 size 8000 align 15 gran 15 limit d1127fff flags 60000201 index 10 PCI: 00:08.0 PCI: 00:08.0 resource base d1130000 size 1000 align 12 gran 12 limit d1130fff flags 60000201 index 10 PCI: 00:14.0 child on link 0 USB0 port 0 PCI: 00:14.0 resource base d1100000 size 10000 align 16 gran 16 limit d110ffff flags 60000201 index 10 USB0 port 0 child on link 0 USB2 port 0 USB2 port 0 USB2 port 1 USB2 port 2 USB2 port 4 USB2 port 8 PCI: 00:14.1 PCI: 00:14.2 PCI: 00:14.2 resource base d1131000 size 1000 align 12 gran 12 limit d1131fff flags 60000201 index 10 PCI: 00:15.0 child on link 0 I2C: 01:5c PCI: 00:15.0 resource base d1132000 size 1000 align 12 gran 12 limit d1132fff flags 60000201 index 10 I2C: 01:5c PCI: 00:15.1 child on link 0 I2C: 02:15 PCI: 00:15.1 resource base d1133000 size 1000 align 12 gran 12 limit d1133fff flags 60000201 index 10 I2C: 02:15 PCI: 00:15.2 PCI: 00:15.3 PCI: 00:16.0 PCI: 00:16.0 resource base d1134000 size 1000 align 12 gran 12 limit d1134fff flags 60000201 index 10 PCI: 00:16.1 PCI: 00:16.2 PCI: 00:16.3 PCI: 00:16.4 PCI: 00:17.0 PCI: 00:19.0 PCI: 00:19.0 resource base fe034000 size 1000 align 12 gran 12 limit ffffffffffffffff flags c0000200 index 10 PCI: 00:19.0 resource base d1135000 size 1000 align 12 gran 12 limit d1135fff flags 60000201 index 18 PCI: 00:19.1 child on link 0 I2C: 03:39 PCI: 00:19.1 resource base d1136000 size 1000 align 12 gran 12 limit d1136fff flags 60000201 index 10 I2C: 03:39 I2C: 03:3a I2C: 03:1a PCI: 00:19.2 PCI: 00:1c.0 child on link 0 PCI: 01:00.0 PCI: 00:1c.0 resource base ef9f size 0 align 12 gran 12 limit ef9f flags 60080102 index 1c PCI: 00:1c.0 resource base dfffffff size 0 align 20 gran 20 limit dfffffff flags 60081202 index 24 PCI: 00:1c.0 resource base d1000000 size 100000 align 20 gran 20 limit d10fffff flags 60080202 index 20 PCI: 01:00.0 PCI: 01:00.0 resource base d1000000 size 2000 align 13 gran 13 limit d1001fff flags 60000201 index 10 PCI: 00:1c.1 PCI: 00:1c.2 PCI: 00:1c.3 PCI: 00:1c.4 PCI: 00:1c.5 PCI: 00:1c.6 PCI: 00:1c.7 PCI: 00:1d.0 PCI: 00:1d.1 PCI: 00:1d.2 PCI: 00:1d.3 PCI: 00:1e.0 PCI: 00:1e.0 resource base d1137000 size 1000 align 12 gran 12 limit d1137fff flags 60000201 index 10 PCI: 00:1e.1 PCI: 00:1e.2 child on link 0 SPI: 00 PCI: 00:1e.2 resource base d1138000 size 1000 align 12 gran 12 limit d1138fff flags 60000201 index 10 SPI: 00 PCI: 00:1e.3 PCI: 00:1e.4 PCI: 00:1e.4 resource base d1139000 size 1000 align 12 gran 12 limit d1139fff flags 60000201 index 10 PCI: 00:1e.5 PCI: 00:1e.6 PCI: 00:1e.6 resource base d113a000 size 1000 align 12 gran 12 limit d113afff flags 60000201 index 10 PCI: 00:1f.0 child on link 0 PNP: 0c09.0 PCI: 00:1f.0 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0000100 index 0 PNP: 0c09.0 PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0 PCI: 00:1f.1 PCI: 00:1f.2 PCI: 00:1f.2 resource base d1128000 size 4000 align 14 gran 14 limit d112bfff flags 60000200 index 10 PCI: 00:1f.2 resource base fe000000 size 10000 align 0 gran 0 limit 0 flags d0000200 index 48 PCI: 00:1f.2 resource base 1800 size 100 align 0 gran 0 limit 0 flags c0000100 index 40 PCI: 00:1f.3 PCI: 00:1f.3 resource base d112c000 size 4000 align 14 gran 14 limit d112ffff flags 60000201 index 10 PCI: 00:1f.3 resource base d1110000 size 10000 align 16 gran 16 limit d111ffff flags 60000201 index 20 PCI: 00:1f.4 PCI: 00:1f.4 resource base efa0 size 20 align 0 gran 0 limit efbf flags f0000100 index 20 PCI: 00:1f.4 resource base d113c000 size 100 align 12 gran 8 limit d113c0ff flags 60000201 index 10 PCI: 00:1f.5 PCI: 00:1f.5 resource base d113b000 size 1000 align 12 gran 12 limit d113bfff flags 60000200 index 10 PCI: 00:1f.6 Done allocating resources. BS: BS_DEV_RESOURCES times (us): entry 0 run 2114312 exit 31 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 231 run 139351 exit 18725 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 30862 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 6986 usecs PCI: 00:02.0 init ... PCI: 00:02.0 init finished in 2250 usecs PCI: 00:04.0 init ... PCI: 00:04.0 init finished in 2249 usecs PCI: 00:08.0 init ... PCI: 00:08.0 init finished in 2249 usecs PCI: 00:14.0 init ... PCI: 00:14.0 init finished in 2250 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 5969 usecs PCI: 00:15.1 init ... DW I2C bus 1 at 0xd1133000 (400 KHz) PCI: 00:15.1 init finished in 5966 usecs PCI: 00:16.0 init ... PCI: 00:16.0 init finished in 2248 usecs PCI: 00:19.1 init ... DW I2C bus 5 at 0xd1136000 (400 KHz) PCI: 00:19.1 init finished in 5968 usecs PCI: 00:1c.0 init ... Initializing PCH PCIe bridge. PCI: 00:1c.0 init finished in 5290 usecs PCI: 00:1e.4 init ... PCI: 00:1e.4 init finished in 2249 usecs PCI: 00:1f.0 init ... IOAPIC: Initializing IOAPIC at 0xfec00000 IOAPIC: Bootstrap Processor Local APIC = 0x00 IOAPIC: ID = 0x02 IOAPIC: Dumping registers reg 0x0000: 0x02000000 reg 0x0001: 0x00770020 reg 0x0002: 0x00000000 PCI: 00:1f.0 init finished in 23472 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 23822 usecs PCI: 00:1f.4 init ... PCI: 00:1f.4 init finished in 2250 usecs PCI: 01:00.0 init ... PCI: 01:00.0 init finished in 2394 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 24456 usecs Devices initialized Show all devs... After init. Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 DOMAIN: 0000: enabled 1 APIC: 00: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 PCI: 00:15.1: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PCI: 00:1f.1: enabled 0 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 USB0 port 0: enabled 1 I2C: 01:5c: enabled 1 I2C: 02:15: enabled 1 I2C: 03:39: enabled 1 I2C: 03:3a: enabled 1 I2C: 03:1a: enabled 1 PCI: 01:00.0: enabled 1 SPI: 00: enabled 1 PNP: 0c09.0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 APIC: 01: enabled 1 APIC: 03: enabled 1 APIC: 02: enabled 1 PCI: 00:04.0: enabled 1 PCI: 00:08.0: enabled 1 FMAP: area RW_ELOG found @ 9f0000 (16384 bytes) ELOG: NV offset 0x9f0000 size 0x4000 ELOG: area is 4096 bytes, full threshold 3842, shrink size 1024 ELOG: Event(17) added with size 13 at 2022-10-11 09:40:38 UTC POST: Unexpected post code in previous boot: 0x34 ELOG: Event(A3) added with size 11 at 2022-10-11 09:40:38 UTC ELOG: Event(92) added with size 9 at 2022-10-11 09:40:38 UTC ELOG: Event(9A) added with size 9 at 2022-10-11 09:40:38 UTC ELOG: Event(AD) added with size 10 at 2022-10-11 09:40:38 UTC ELOG: Event(9F) added with size 14 at 2022-10-11 09:40:38 UTC BS: BS_DEV_INIT times (us): entry 0 run 417100 exit 60034 ELOG: Event(A1) added with size 10 at 2022-10-11 09:40:38 UTC elog_add_boot_reason: Logged recovery mode boot (Dev-switch on), reason: 0x1b ELOG: Event(A0) added with size 9 at 2022-10-11 09:40:38 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 25573 run 3961 exit 5194 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 f707 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 534084 exit 146877 call enable_fixed_mtrr() CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CPU physical address size: 39 bits CBFS: Locating 'fallback/payload' MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 call enable_fixed_mtrr() call enable_fixed_mtrr() CPU physical address size: 39 bits CPU physical address size: 39 bits CBFS: Found @ offset 223040 size 360b4 Checking segment from ROM address 0xfff23078 Checking segment from ROM address 0xfff23094 Loading segment from ROM address 0xfff23078 code (compression=0) New segment dstaddr 0x30104020 memsize 0x64d8b0 srcaddr 0xfff230b0 filesize 0x3607c Loading Segment: addr: 0x30104020 memsz: 0x000000000064d8b0 filesz: 0x000000000003607c it's not compressed! [ 0x30104020, 3013a09c, 0x307518d0) <- fff230b0 Clearing Segment: addr: 0x000000003013a09c memsz: 0x0000000000617834 Loading segment from ROM address 0xfff23094 Entry Point 0x30104020 Loaded segments Finalizing chipset. ME: Host Firmware Status Register 1 : 0x90000245 ME: Host Firmware Status Register 2 : 0x6B000306 ME: Host Firmware Status Register 3 : 0x00000020 ME: Host Firmware Status Register 4 : 0x00084000 ME: Host Firmware Status Register 5 : 0x00000000 ME: Host Firmware Status Register 6 : 0x40000002 ME: FW Partition Table : OK ME: Bringup Loader Failure : NO ME: Firmware Init Complete : YES ME: Manufacturing Mode : NO ME: Boot Options Present : NO ME: Update In Progress : NO ME: D3 Support : NO ME: D0i3 Support : YES ME: Low Power State Enabled : YES ME: CPU Replaced : NO ME: CPU Replacement Valid : YES ME: Current Working State : Normal ME: Current Operation State : M0 with UMA ME: Current Operation Mode : Normal ME: Error Code : No Error ME: Progress Phase : Host Communication ME: Power Management Event : Power cycle reset through Moff ME: Progress Phase State : Host communication established ME: Power Down Mitigation : NO ME: FPF status : fused Clearing MCA. Finalizing SMM. BS: BS_PAYLOAD_LOAD times (us): entry 606 run 262138 exit 135717 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 7550111/tftp-deploy-kis579qu/kernel/bzImage 7550111/tftp-deploy-kis579qu/kernel/cmdline 7550111/tftp-deploy-kis579qu/ramdisk/ramdisk.cpio.gz tftpboot 192.168.201.1 7550111/tftp-deploy-kis579qu/kernel/bzImoy-kis579qu/kernel/cmdline 7550111/tftp-deploy-kis579qu/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 192.168.201.10 The DHCP server ip is 192.168.201.1 TFTP server IP predefined by user: 192.168.201.1 Bootfile predefined by user: 7550111/tftp-deploy-kis579qu/kernel/bzImage Sending tftp read request... done. Waiting for the transfer... 00000000 ################################################################ 00080000 ################################################################ 00100000 ################################################################ 00180000 ################################################################ 00200000 ################################################################ 00280000 ################################################################ 00300000 ################################################################ 00380000 ################################################################ 00400000 ################################################################ 00480000 ################################################################ 00500000 ################################################################ 00580000 ################################################################ 00600000 ################################################################ 00680000 ################################################################ 00700000 ################################################################ 00780000 ################################################################ 00800000 ################################################################ 00880000 ################################################################ 00900000 ################################################################ 00980000 ################################################################ 00a00000 ################################################################ 00a80000 ################################################################ 00b00000 ################################################################ 00b80000 ################################################################ 00c00000 ################################################################ 00c80000 ################################################################ 00d00000 ############################################## done. The bootfile was 14003840 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: 7550111/tftp-deploy-kis579qu/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/7550111/extract-nfsrootfs-9is8zsg0,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: 18289388 Starting kernel ... [ 0.000000] Linux version 5.10.145-cip17 (KernelCI@build-j292254-x86-64-gcc-10-x86-64-defconfig-x86-chromeboocl49c) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Tue Oct 11 09:45:53 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/7550111/extract-nfsrootfs-9is8zsg0,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 [ 0.000057] last_pfn = 0x17f000 max_arch_pfn = 0x400000000 [ 0.001403] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.007245] last_pfn = 0x7a998 max_arch_pfn = 0x400000000 [ 0.026310] check: Scanning 1 areas for low memory corruption [ 0.026323] Using GB pages for direct mapping [ 0.027193] RAMDISK: [mem 0x377f5000-0x37ffffff] [ 0.027201] ACPI: Early table checksum verification disabled [ 0.027210] ACPI: RSDP 0x00000000000F0000 000024 (v02 CORE ) [ 0.027225] ACPI: XSDT 0x000000007AA9A0E0 00006C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.027243] ACPI: FACP 0x000000007AA9E970 0000F4 (v04 CORE COREBOOT 00000000 CORE 00000000) [ 0.027261] ACPI: DSDT 0x000000007AA9A280 0046E3 (v05 COREv4 COREBOOT 20110725 INTL 20180531) [ 0.027275] ACPI: FACS 0x000000007AA9A240 000040 [ 0.027288] ACPI: FACS 0x000000007AA9A240 000040 [ 0.027300] ACPI: SSDT 0x000000007AA9EA70 000EFA (v02 CORE COREBOOT 0000002A CORE 0000002A) [ 0.027315] ACPI: MCFG 0x000000007AA9F970 00003C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.027328] ACPI: TPM2 0x000000007AA9F9B0 000040 (v04 CORE COREBOOT 00000000 CORE 00000000) [ 0.027342] ACPI: APIC 0x000000007AA9F9F0 00006C (v02 CORE COREBOOT 00000000 CORE 00000000) [ 0.027355] ACPI: NHLT 0x000000007AA9FA60 001B1C (v05 GOOGLE RAMMUS 00000000 CORE 00000000) [ 0.027371] ACPI: DMAR 0x000000007AAA1580 000088 (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.027384] ACPI: DBG2 0x000000007AAA3610 000061 (v00 CORE COREBOOT 00000000 CORE 00000000) [ 0.027398] ACPI: HPET 0x000000007AAA3680 000038 (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.027411] ACPI: Reserving FACP table memory at [mem 0x7aa9e970-0x7aa9ea63] [ 0.027417] ACPI: Reserving DSDT table memory at [mem 0x7aa9a280-0x7aa9e962] [ 0.027423] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] [ 0.027428] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] [ 0.027433] ACPI: Reserving SSDT table memory at [mem 0x7aa9ea70-0x7aa9f969] [ 0.027439] ACPI: Reserving MCFG table memory at [mem 0x7aa9f970-0x7aa9f9ab] [ 0.027444] ACPI: Reserving TPM2 table memory at [mem 0x7aa9f9b0-0x7aa9f9ef] [ 0.027449] ACPI: Reserving APIC table memory at [mem 0x7aa9f9f0-0x7aa9fa5b] [ 0.027455] ACPI: Reserving NHLT table memory at [mem 0x7aa9fa60-0x7aaa157b] [ 0.027460] ACPI: Reserving DMAR table memory at [mem 0x7aaa1580-0x7aaa1607] [ 0.027466] ACPI: Reserving DBG2 table memory at [mem 0x7aaa3610-0x7aaa3670] [ 0.027471] ACPI: Reserving HPET table memory at [mem 0x7aaa3680-0x7aaa36b7] [ 0.027615] No NUMA configuration found [ 0.027621] Faking a node at [mem 0x0000000000000000-0x000000017effffff] [ 0.027632] NODE_DATA(0) allocated [mem 0x17effc000-0x17effffff] [ 0.027682] Zone ranges: [ 0.027687] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.027696] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.027704] Normal [mem 0x0000000100000000-0x000000017effffff] [ 0.027712] Movable zone start for each node [ 0.027717] Early memory node ranges [ 0.027723] node 0: [mem 0x0000000000001000-0x000000000009ffff] [ 0.027729] node 0: [mem 0x0000000000100000-0x000000007a997fff] [ 0.027735] node 0: [mem 0x0000000100000000-0x000000017effffff] [ 0.027742] Initmem setup node 0 [mem 0x0000000000001000-0x000000017effffff] [ 0.027781] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.027830] On node 0, zone DMA: 96 pages in unavailable ranges [ 0.039815] On node 0, zone Normal: 22120 pages in unavailable ranges [ 0.039898] On node 0, zone Normal: 4096 pages in unavailable ranges [ 0.039925] Reserving Intel graphics memory at [mem 0x7c000000-0x7fffffff] [ 0.040287] ACPI: PM-Timer IO Port: 0x1808 [ 0.040343] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-119 [ 0.040358] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 0.040364] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.040380] Using ACPI (MADT) for SMP configuration information [ 0.040386] ACPI: HPET id: 0x8086a701 base: 0xfed00000 [ 0.040394] TSC deadline timer available [ 0.040400] smpboot: Allowing 4 CPUs, 0 hotplug CPUs [ 0.040430] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.040436] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000fffff] [ 0.040443] PM: hibernation: Registered nosave memory: [mem 0x7a998000-0x7affffff] [ 0.040447] PM: hibernation: Registered nosave memory: [mem 0x7b000000-0x7fffffff] [ 0.040452] PM: hibernation: Registered nosave memory: [mem 0x80000000-0xdfffffff] [ 0.040457] PM: hibernation: Registered nosave memory: [mem 0xe0000000-0xe3ffffff] [ 0.040461] PM: hibernation: Registered nosave memory: [mem 0xe4000000-0xfdffffff] [ 0.040466] PM: hibernation: Registered nosave memory: [mem 0xfe000000-0xfe00ffff] [ 0.040470] PM: hibernation: Registered nosave memory: [mem 0xfe010000-0xfed0ffff] [ 0.040475] PM: hibernation: Registered nosave memory: [mem 0xfed10000-0xfed19fff] [ 0.040480] PM: hibernation: Registered nosave memory: [mem 0xfed1a000-0xfed7ffff] [ 0.040484] PM: hibernation: Registered nosave memory: [mem 0xfed80000-0xfed84fff] [ 0.040489] PM: hibernation: Registered nosave memory: [mem 0xfed85000-0xfed8ffff] [ 0.040493] PM: hibernation: Registered nosave memory: [mem 0xfed90000-0xfed91fff] [ 0.040498] PM: hibernation: Registered nosave memory: [mem 0xfed92000-0xffffffff] [ 0.040507] [mem 0x80000000-0xdfffffff] available for PCI devices [ 0.040515] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns [ 0.055118] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:4 nr_node_ids:1 [ 0.055413] percpu: Embedded 59 pages/cpu s200848 r8192 d32624 u524288 [ 0.055490] Built 1 zonelists, mobility grouping on. Total pages: 1006266 [ 0.055495] Policy zone: Normal [ 0.055510] 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/7550111/extract-nfsrootfs-9is8zsg0,tcp,hard ip=dhcp tftpserverip=192.168.201.1 [ 0.056072] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) [ 0.056336] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear) [ 0.056431] mem auto-init: stack:off, heap alloc:off, heap free:off [ 0.078817] Memory: 3888556K/4089052K available (18450K kernel code, 3465K rwdata, 6808K rodata, 2036K init, 13236K bss, 200236K reserved, 0K cma-reserved) [ 0.078979] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 [ 0.079042] Kernel/User page tables isolation: enabled [ 0.079147] ftrace: allocating 53381 entries in 209 pages [ 0.139694] ftrace: allocated 209 pages with 4 groups [ 0.140024] Running RCU self tests [ 0.140043] rcu: Hierarchical RCU implementation. [ 0.140048] rcu: RCU event tracing is enabled. [ 0.140052] rcu: RCU lockdep checking is enabled. [ 0.140058] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=4. [ 0.140063] Rude variant of Tasks RCU enabled. [ 0.140068] Tracing variant of Tasks RCU enabled. [ 0.140073] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies. [ 0.140079] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 [ 0.151481] NR_IRQS: 4352, nr_irqs: 1024, preallocated irqs: 16 [ 0.151962] random: crng init done [ 0.152076] Console: colour dummy device 80x25 [ 0.227364] printk: console [ttyS0] enabled [ 0.227733] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.228396] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.228757] ... MAX_LOCK_DEPTH: 48 [ 0.229125] ... MAX_LOCKDEP_KEYS: 8192 [ 0.229507] ... CLASSHASH_SIZE: 4096 [ 0.229889] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.230278] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.230667] ... CHAINHASH_SIZE: 32768 [ 0.231057] memory used by lock dependency info: 6365 kB [ 0.231526] memory used for stack traces: 4224 kB [ 0.231944] per task-struct memory footprint: 1920 bytes [ 0.232475] ACPI: Core revision 20200925 [ 0.233087] hpet: HPET dysfunctional in PC10. Force disabled. [ 0.233588] APIC: Switch to symmetric I/O mode setup [ 0.238037] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x170fff30cc4, max_idle_ns: 440795237869 ns [ 0.238974] Calibrating delay loop (skipped), value calculated using timer frequency.. 3199.92 BogoMIPS (lpj=1599960) [ 0.239880] pid_max: default: 32768 minimum: 301 [ 0.239942] LSM: Security Framework initializing [ 0.239942] SELinux: Initializing. [ 0.239942] LSM support for eBPF active [ 0.239942] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.239942] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.239942] mce: CPU0: Thermal monitoring enabled (TM1) [ 0.239942] process: using mwait in idle threads [ 0.239942] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8 [ 0.239942] Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4 [ 0.239942] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 0.239942] Spectre V2 : Mitigation: IBRS [ 0.239942] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 0.239942] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB on VMEXIT [ 0.239942] RETBleed: Mitigation: IBRS [ 0.239942] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier [ 0.239942] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl and seccomp [ 0.239942] MDS: Vulnerable: Clear CPU buffers attempted, no microcode [ 0.239942] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode [ 0.239942] SRBDS: Vulnerable: No microcode [ 0.239942] ------------[ cut here ]------------ [ 0.239942] missing return thunk: lkdtm_rodata_do_nothing+0x0/0x10-lkdtm_rodata_do_nothing+0x5/0x10: e9 00 00 00 00 [ 0.239942] WARNING: CPU: 0 PID: 0 at arch/x86/kernel/alternative.c:712 apply_returns+0x1f5/0x220 [ 0.239942] Modules linked in: [ 0.239942] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.10.145-cip17 #1 [ 0.239942] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 0.239942] RIP: 0010:apply_returns+0x1f5/0x220 [ 0.239942] Code: e4 01 00 0f 85 e1 fe ff ff 49 89 e8 b9 05 00 00 00 4c 89 f2 48 89 ee 48 c7 c7 98 8b 0c 85 c6 05 f9 5c e4 01 01 e8 a6 7a e8 00 <0f> 0b e9 b9 fe ff ff 44 89 f9 c7 00 cc cc cc cc c7 44 08 fc cc cc [ 0.239942] RSP: 0000:ffffffff85403de0 EFLAGS: 00010282 [ 0.239942] RAX: 0000000000000000 RBX: ffffffff85ee3fc0 RCX: 0000000000000000 [ 0.239942] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8397a8a1 [ 0.239942] RBP: ffffffff84d9b320 R08: 0000000000000001 R09: 0000000000000001 [ 0.239942] R10: ffffffff8548fbc0 R11: 3fffffffffffffff R12: ffffffff85efbb6c [ 0.239942] R13: cccccccccccccccc R14: ffffffff84d9b325 R15: 0000000000000004 [ 0.239942] FS: 0000000000000000(0000) GS:ffff9f1cbac00000(0000) knlGS:0000000000000000 [ 0.239942] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 0.239942] CR2: ffff9f1c9e201000 CR3: 000000015ca26001 CR4: 00000000003706f0 [ 0.239942] Call Trace: [ 0.239942] alternative_instructions+0x7d/0x143 [ 0.239942] check_bugs+0xedd/0xf39 [ 0.239942] start_kernel+0x517/0x54d [ 0.239942] secondary_startup_64_no_verify+0xc2/0xcb [ 0.239942] irq event stamp: 162191 [ 0.239942] hardirqs last enabled at (162199): [] console_unlock+0x4d1/0x5f0 [ 0.239942] hardirqs last disabled at (162206): [] console_unlock+0x444/0x5f0 [ 0.239942] softirqs last enabled at (1816): [] cgroup_idr_alloc.constprop.0+0x5b/0xe0 [ 0.239942] softirqs last disabled at (1814): [] cgroup_idr_alloc.constprop.0+0x2e/0xe0 [ 0.239942] ---[ end trace 82f3067a6a326e44 ]--# - [ 0.239942] Freeing SMP alternatives memory: 44K [ 0.239942] smpboot: CPU0: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz (family: 0x6, model: 0x8e, stepping: 0x9) [ 0.240874] Performance Events: PEBS fmt3+, Skylake events, 32-deep LBR, full-width counters, Intel PMU driver. [ 0.240963] ... version: 4 [ 0.241323] ... bit width: 48 [ 0.241687] ... generic registers: 4 [ 0.241951] ... value mask: 0000ffffffffffff [ 0.242417] ... max period: 00007fffffffffff [ 0.242882] ... fixed-purpose events: 3 [ 0.242951] ... event mask: 000000070000000f [ 0.244118] rcu: Hierarchical SRCU implementation. [ 0.247084] smp: Bringing up secondary CPUs ... [ 0.248509] x86: Booting SMP configuration: [ 0.248907] .... node #0, CPUs: #1 [ 0.250452] 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. [ 0.250968] 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. [ 0.252844] #2 #3 [ 0.255642] smp: Brought up 1 node, 4 CPUs [ 0.256324] smpboot: Max logical packages: 1 [ 0.256705] smpboot: Total of 4 processors activated (12799.68 BogoMIPS) [ 0.259955] devtmpfs: initialized [ 0.260709] x86/mm: Memory block size: 128MB [ 0.266125] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns [ 0.266974] futex hash table entries: 1024 (order: 5, 131072 bytes, linear) [ 0.268153] pinctrl core: initialized pinctrl subsystem [ 0.269069] PM: RTC time: 09:40:52, date: 2022-10-11 [ 0.270257] NET: Registered protocol family 16 [ 0.271704] audit: initializing netlink subsys (disabled) [ 0.272009] audit: type=2000 audit(1665481252.033:1): state=initialized audit_enabled=0 res=1 [ 0.273083] thermal_sys: Registered thermal governor 'step_wise' [ 0.273091] thermal_sys: Registered thermal governor 'user_space' [ 0.273723] cpuidle: using governor menu [ 0.274393] ACPI: bus type PCI registered [ 0.275456] PCI: MMCONFIG for domain 0000 [bus 00-3f] at [mem 0xe0000000-0xe3ffffff] (base 0xe0000000) [ 0.275958] PCI: MMCONFIG at [mem 0xe0000000-0xe3ffffff] reserved in E820 [ 0.276591] PCI: Using configuration type 1 for base access [ 0.308198] Kprobes globally optimized [ 0.309000] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 0.309564] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 0.310210] cryptomgr_test (38) used greatest stack depth: 14880 bytes left [ 0.314104] ACPI: Added _OSI(Module Device) [ 0.314481] ACPI: Added _OSI(Processor Device) [ 0.314879] ACPI: Added _OSI(3.0 _SCP Extensions) [ 0.314960] ACPI: Added _OSI(Processor Aggregator Device) [ 0.315437] ACPI: Added _OSI(Linux-Dell-Video) [ 0.315834] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 0.315958] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 0.333548] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 0.344903] ACPI: EC: EC started [ 0.344948] ACPI: EC: interrupt blocked [ 0.346338] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.346789] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC used to handle transactions [ 0.346950] ACPI: Interpreter enabled [ 0.347377] ACPI: (supports S0 S3 S4 S5) [ 0.347729] ACPI: Using IOAPIC for interrupt routing [ 0.348055] PCI: Using host bridge windows from ACPI; if necessary, use \"pci=nocrs\" and report a bug [ 0.372632] ACPI: Power Resource [PRIC] (on) [ 0.509797] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 0.509965] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] [ 0.511209] acpi PNP0A08:00: _OSC: OS now controls [PME PCIeCapability LTR] [ 0.511909] acpi PNP0A08:00: [Firmware Info]: MMCONFIG for domain 0000 [bus 00-3f] only partially covers this bridge [ 0.512879] PCI host bridge to bus 0000:00 [ 0.512958] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 0.513550] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 0.513953] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 0.514602] pci_bus 0000:00: root bus resource [mem 0x000c0000-0x000c3fff window] [ 0.514953] pci_bus 0000:00: root bus resource [mem 0x000c4000-0x000c7fff window] [ 0.515602] pci_bus 0000:00: root bus resource [mem 0x000c8000-0x000cbfff window] [ 0.515953] pci_bus 0000:00: root bus resource [mem 0x000cc000-0x000cffff window] [ 0.516602] pci_bus 0000:00: root bus resource [mem 0x000d0000-0x000d3fff window] [ 0.516953] pci_bus 0000:00: root bus resource [mem 0x000d4000-0x000d7fff window] [ 0.517601] pci_bus 0000:00: root bus resource [mem 0x000d8000-0x000dbfff window] [ 0.517953] pci_bus 0000:00: root bus resource [mem 0x000dc000-0x000dffff window] [ 0.518601] pci_bus 0000:00: root bus resource [mem 0x000e0000-0x000e3fff window] [ 0.518953] pci_bus 0000:00: root bus resource [mem 0x000e4000-0x000e7fff window] [ 0.519601] pci_bus 0000:00: root bus resource [mem 0x000e8000-0x000ebfff window] [ 0.519953] pci_bus 0000:00: root bus resource [mem 0x000ec000-0x000effff window] [ 0.520602] pci_bus 0000:00: root bus resource [mem 0x000f0000-0x000fffff window] [ 0.520953] pci_bus 0000:00: root bus resource [mem 0x80000001-0xdfffffff window] [ 0.521602] pci_bus 0000:00: root bus resource [mem 0x800000000-0xbffffffff window] [ 0.521953] pci_bus 0000:00: root bus resource [mem 0xfd000000-0xfe7fffff window] [ 0.522601] pci_bus 0000:00: root bus resource [mem 0xfed40000-0xfed44fff window] [ 0.522954] pci_bus 0000:00: root bus resource [bus 00-ff] [ 0.523554] pci 0000:00:00.0: [8086:590c] type 00 class 0x060000 [ 0.525476] pci 0000:00:02.0: [8086:591c] type 00 class 0x030000 [ 0.525984] pci 0000:00:02.0: reg 0x10: [mem 0xd0000000-0xd0ffffff 64bit] [ 0.526593] pci 0000:00:02.0: reg 0x18: [mem 0xc0000000-0xcfffffff 64bit pref] [ 0.526964] pci 0000:00:02.0: reg 0x20: [io 0x1c00-0x1c3f] [ 0.528431] pci 0000:00:04.0: [8086:1903] type 00 class 0x118000 [ 0.528985] pci 0000:00:04.0: reg 0x10: [mem 0xd1120000-0xd1127fff 64bit] [ 0.530733] pci 0000:00:08.0: [8086:1911] type 00 class 0x088000 [ 0.530986] pci 0000:00:08.0: reg 0x10: [mem 0xd1130000-0xd1130fff 64bit] [ 0.532567] pci 0000:00:14.0: [8086:9d2f] type 00 class 0x0c0330 [ 0.533004] pci 0000:00:14.0: reg 0x10: [mem 0xd1100000-0xd110ffff 64bit] [ 0.533779] pci 0000:00:14.0: PME# supported from D3hot D3cold [ 0.535122] pci 0000:00:14.2: [8086:9d31] type 00 class 0x118000 [ 0.535694] pci 0000:00:14.2: reg 0x10: [mem 0xd1131000-0xd1131fff 64bit] [ 0.536977] pci 0000:00:15.0: [8086:9d60] type 00 class 0x118000 [ 0.537555] pci 0000:00:15.0: reg 0x10: [mem 0xd1132000-0xd1132fff 64bit] [ 0.539175] pci 0000:00:15.1: [8086:9d61] type 00 class 0x118000 [ 0.539753] pci 0000:00:15.1: reg 0x10: [mem 0xd1133000-0xd1133fff 64bit] [ 0.541200] pci 0000:00:19.0: [8086:9d66] type 00 class 0x118000 [ 0.541779] pci 0000:00:19.0: reg 0x10: [mem 0xfe034000-0xfe034fff 64bit] [ 0.541989] pci 0000:00:19.0: reg 0x18: [mem 0xd1135000-0xd1135fff 64bit] [ 0.543770] pci 0000:00:19.1: [8086:9d65] type 00 class 0x118000 [ 0.544006] pci 0000:00:19.1: reg 0x10: [mem 0xd1136000-0xd1136fff 64bit] [ 0.545840] pci 0000:00:1c.0: [8086:9d10] type 01 class 0x060400 [ 0.546198] pci 0000:00:1c.0: PME# supported from D0 D3hot D3cold [ 0.547902] pci 0000:00:1e.0: [8086:9d27] type 00 class 0x118000 [ 0.548008] pci 0000:00:1e.0: reg 0x10: [mem 0xd1137000-0xd1137fff 64bit] [ 0.549837] pci 0000:00:1e.2: [8086:9d29] type 00 class 0x118000 [ 0.550014] pci 0000:00:1e.2: reg 0x10: [mem 0xd1138000-0xd1138fff 64bit] [ 0.551819] pci 0000:00:1e.4: [8086:9d2b] type 00 class 0x080501 [ 0.552000] pci 0000:00:1e.4: reg 0x10: [mem 0xd1139000-0xd1139fff 64bit] [ 0.553985] pci 0000:00:1e.6: [8086:9d2d] type 00 class 0x080501 [ 0.554557] pci 0000:00:1e.6: reg 0x10: [mem 0xd113a000-0xd113afff 64bit] [ 0.556135] pci 0000:00:1f.0: [8086:9d4b] type 00 class 0x060100 [ 0.557840] pci 0000:00:1f.2: [8086:9d21] type 00 class 0x058000 [ 0.557990] pci 0000:00:1f.2: reg 0x10: [mem 0xd1128000-0xd112bfff] [ 0.559685] pci 0000:00:1f.3: [8086:9d71] type 00 class 0x040100 [ 0.560005] pci 0000:00:1f.3: reg 0x10: [mem 0xd112c000-0xd112ffff 64bit] [ 0.560661] pci 0000:00:1f.3: reg 0x20: [mem 0xd1110000-0xd111ffff 64bit] [ 0.561096] pci 0000:00:1f.3: PME# supported from D3hot D3cold [ 0.562777] pci 0000:00:1f.4: [8086:9d23] type 00 class 0x0c0500 [ 0.563023] pci 0000:00:1f.4: reg 0x10: [mem 0xd113c000-0xd113c0ff 64bit] [ 0.563693] pci 0000:00:1f.4: reg 0x20: [io 0xefa0-0xefbf] [ 0.565052] pci 0000:00:1f.5: [8086:9d24] type 00 class 0x000000 [ 0.565615] pci 0000:00:1f.5: reg 0x10: [mem 0xfe010000-0xfe010fff] [ 0.567738] pci 0000:01:00.0: [8086:095a] type 00 class 0x028000 [ 0.568897] pci 0000:01:00.0: reg 0x10: [mem 0xd1000000-0xd1001fff 64bit] [ 0.573494] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold [ 0.576446] pci 0000:00:1c.0: PCI bridge to [bus 01] [ 0.576903] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] [ 0.578942] ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.580061] ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 *10 12 14 15) [ 0.581118] ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.582187] ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.583252] ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.584314] ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.585364] ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.586367] ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.595338] ACPI: EC: interrupt unblocked [ 0.595713] ACPI: EC: event unblocked [ 0.595951] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.596405] ACPI: EC: GPE=0x6e [ 0.596691] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC initialization complete [ 0.596955] ACPI: \_SB_.PCI0.LPCB.EC0_: EC: Used to handle transactions and events [ 0.598216] iommu: Default domain type: Translated [ 0.599102] pci 0000:00:02.0: vgaarb: setting as boot VGA device [ 0.599598] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 0.599981] pci 0000:00:02.0: vgaarb: bridge control possible [ 0.600485] vgaarb: loaded [ 0.601464] SCSI subsystem initialized [ 0.602258] ACPI: bus type USB registered [ 0.602796] usbcore: registered new interface driver usbfs [ 0.603037] usbcore: registered new interface driver hub [ 0.603557] usbcore: registered new device driver usb [ 0.604127] pps_core: LinuxPPS API ver. 1 registered [ 0.604567] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 0.604967] PTP clock support registered [ 0.606065] Advanced Linux Sound Architecture Driver Initialized. [ 0.607960] NetLabel: Initializing [ 0.608272] NetLabel: domain hash size = 128 [ 0.608660] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 0.609052] NetLabel: unlabeled traffic allowed by default [ 0.609687] PCI: Using ACPI for IRQ routing [ 0.617910] clocksource: Switched to clocksource tsc-early [ 1.153189] VFS: Disk quotas dquot_6.6.0 [ 1.153607] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 1.154739] pnp: PnP ACPI init [ 1.156140] system 00:00: [mem 0xfed10000-0xfed17fff] has been reserved [ 1.156724] system 00:00: [mem 0xfed18000-0xfed18fff] has been reserved [ 1.157330] system 00:00: [mem 0xfed19000-0xfed19fff] has been reserved [ 1.157911] system 00:00: [mem 0xe0000000-0xe3ffffff] has been reserved [ 1.158512] system 00:00: [mem 0xfed20000-0xfed3ffff] has been reserved [ 1.159116] system 00:00: [mem 0xfed90000-0xfed93fff] could not be reserved [ 1.159725] system 00:00: [mem 0xfed45000-0xfed8ffff] could not be reserved [ 1.160356] system 00:00: [mem 0xff000000-0xffffffff] has been reserved [ 1.160936] system 00:00: [mem 0xfee00000-0xfeefffff] has been reserved [ 1.161537] system 00:00: [mem 0xfed00000-0xfed003ff] has been reserved [ 1.163393] system 00:01: [io 0x1800-0x18fe] has been reserved [ 1.164454] system 00:03: [io 0x0900-0x09fe] has been reserved [ 1.165349] system 00:04: [io 0x0200] has been reserved [ 1.165821] system 00:04: [io 0x0204] has been reserved [ 1.166319] system 00:04: [io 0x0800-0x087f] has been reserved [ 1.166843] system 00:04: [io 0x0880-0x08ff] has been reserved [ 1.170615] pnp: PnP ACPI: found 6 devices [ 1.189536] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 1.190477] NET: Registered protocol family 2 [ 1.191080] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear) [ 1.193741] tcp_listen_portaddr_hash hash table entries: 2048 (order: 5, 163840 bytes, linear) [ 1.194762] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear) [ 1.195737] TCP bind hash table entries: 32768 (order: 9, 2359296 bytes, linear) [ 1.198646] TCP: Hash tables configured (established 32768 bind 32768) [ 1.199610] MPTCP token hash table entries: 4096 (order: 6, 360448 bytes, linear) [ 1.200624] UDP hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 1.201557] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 1.202670] NET: Registered protocol family 1 [ 1.203999] RPC: Registered named UNIX socket transport module. [ 1.204548] RPC: Registered udp transport module. [ 1.204985] RPC: Registered tcp transport module. [ 1.205403] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 1.206691] NET: Registered protocol family 44 [ 1.207135] pci 0000:00:1c.0: PCI bridge to [bus 01] [ 1.207591] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] [ 1.208220] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 1.208758] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 1.209387] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 1.210004] pci_bus 0000:00: resource 7 [mem 0x000c0000-0x000c3fff window] [ 1.210603] pci_bus 0000:00: resource 8 [mem 0x000c4000-0x000c7fff window] [ 1.211219] pci_bus 0000:00: resource 9 [mem 0x000c8000-0x000cbfff window] [ 1.211818] pci_bus 0000:00: resource 10 [mem 0x000cc000-0x000cffff window] [ 1.212441] pci_bus 0000:00: resource 11 [mem 0x000d0000-0x000d3fff window] [ 1.213066] pci_bus 0000:00: resource 12 [mem 0x000d4000-0x000d7fff window] [ 1.213673] pci_bus 0000:00: resource 13 [mem 0x000d8000-0x000dbfff window] [ 1.214293] pci_bus 0000:00: resource 14 [mem 0x000dc000-0x000dffff window] [ 1.214900] pci_bus 0000:00: resource 15 [mem 0x000e0000-0x000e3fff window] [ 1.215525] pci_bus 0000:00: resource 16 [mem 0x000e4000-0x000e7fff window] [ 1.216150] pci_bus 0000:00: resource 17 [mem 0x000e8000-0x000ebfff window] [ 1.216756] pci_bus 0000:00: resource 18 [mem 0x000ec000-0x000effff window] [ 1.217377] pci_bus 0000:00: resource 19 [mem 0x000f0000-0x000fffff window] [ 1.218002] pci_bus 0000:00: resource 20 [mem 0x80000001-0xdfffffff window] [ 1.218608] pci_bus 0000:00: resource 21 [mem 0x800000000-0xbffffffff window] [ 1.219246] pci_bus 0000:00: resource 22 [mem 0xfd000000-0xfe7fffff window] [ 1.219852] pci_bus 0000:00: resource 23 [mem 0xfed40000-0xfed44fff window] [ 1.220476] pci_bus 0000:01: resource 1 [mem 0xd1000000-0xd10fffff] [ 1.221637] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 1.225072] PCI: CLS 64 bytes, default 64 [ 1.225927] Unpacking initramfs... [ 1.585215] Freeing initrd memory: 8236K [ 1.585661] DMAR: Host address width 39 [ 1.586058] DMAR: DRHD base: 0x000000fed90000 flags: 0x0 [ 1.586604] DMAR: dmar0: reg_base_addr fed90000 ver 1:0 cap 1c0000c40660462 ecap 19e2ff0505e [ 1.587350] DMAR: RMRR base: 0x0000007b800000 end: 0x0000007fffffff [ 1.587900] DMAR: DRHD base: 0x000000fed91000 flags: 0x1 [ 1.588405] DMAR: dmar1: reg_base_addr fed91000 ver 1:0 cap d2008c40660462 ecap f050da [ 1.589223] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 1.589787] software IO TLB: mapped [mem 0x0000000076998000-0x000000007a998000] (64MB) [ 1.590763] RAPL PMU: API unit is 2^-32 Joules, 5 fixed counters, 655360 ms ovfl timer [ 1.591506] RAPL PMU: hw unit of domain pp0-core 2^-14 Joules [ 1.592033] RAPL PMU: hw unit of domain package 2^-14 Joules [ 1.592528] RAPL PMU: hw unit of domain dram 2^-14 Joules [ 1.593016] RAPL PMU: hw unit of domain pp1-gpu 2^-14 Joules [ 1.593511] RAPL PMU: hw unit of domain psys 2^-14 Joules [ 1.596359] kvm: already loaded the other module [ 1.610064] check: Scanning for low memory corruption every 60 seconds [ 1.614822] Initialise system trusted keyrings [ 1.615530] workingset: timestamp_bits=56 max_order=20 bucket_order=0 [ 1.643112] NFS: Registering the id_resolver key type [ 1.643607] Key type id_resolver registered [ 1.644042] Key type id_legacy registered [ 1.666290] Key type asymmetric registered [ 1.666689] Asymmetric key parser 'x509' registered [ 1.667207] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249) [ 1.667868] io scheduler mq-deadline registered [ 1.668288] io scheduler kyber registered [ 1.668928] test_firmware: interface ready [ 1.671374] pcieport 0000:00:1c.0: PME: Signaling with IRQ 120 [ 1.673607] ACPI: AC Adapter [AC] (on-line) [ 1.674506] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/PNP0C0D:00/input/input0 [ 1.676434] ACPI: Lid Switch [LID0] [ 1.677148] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input1 [ 1.678137] ACPI: Power Button [PWRF] [ 1.678911] ACPI: \_PR_.CP00: Found 3 idle states [ 1.680411] ACPI: \_PR_.CP01: Found 3 idle states [ 1.681652] ACPI: \_PR_.CP02: Found 3 idle states [ 1.683058] ACPI: \_PR_.CP03: Found 3 idle states [ 1.685354] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 1.688857] hpet_acpi_add: no address or irqs in _CRS [ 1.689642] Non-volatile memory driver v1.3 [ 1.690239] Linux agpgart interface v0.103 [ 1.690751] battery: ACPI: Battery Slot [BAT0] (battery present) [ 1.694212] i915 0000:00:02.0: vgaarb: deactivate vga console [ 1.749206] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem [ 1.750568] i915 0000:00:02.0: Direct firmware load for i915/kbl_dmc_ver1_04.bin failed with error -2 [ 1.751522] i915 0000:00:02.0: [drm] Failed to load DMC firmware i915/kbl_dmc_ver1_04.bin. Disabling runtime power management. [ 1.752754] i915 0000:00:02.0: [drm] DMC firmware homepage: https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/tree/i915 [ 1.782409] [drm] Initialized i915 1.6.0 20200917 for 0000:00:02.0 on minor 0 [ 1.786851] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 1 [ 1.809437] loop: module loaded [ 1.810828] lkdtm: No crash points registered, enable through debugfs [ 1.843158] printk: console [ttyS0] disabled [ 1.844645] dw-apb-uart.2: ttyS0 at MMIO 0xfe034000 (irq = 32, base_baud = 115200) is a 16550A [ 2.638115] tsc: Refined TSC clocksource calibration: 1607.999 MHz [ 2.639815] printk: console [ttyS0] enabled [ 2.646615] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x172da94f0e2, max_idle_ns: 440795278248 ns [ 2.680787] dw-apb-uart.4: ttyS1 at MMIO 0xd1137000 (irq = 20, base_baud = 115200) is a 16550A [ 5.289175] clocksource: Switched to clocksource tsc [ 5.289380] fbcon: i915drmfb (fb0) is primary device [ 5.291851] pxa2xx-spi pxa2xx-spi.5: no DMA channels available, using PIO [ 5.302937] tpm_tis_spi spi-PRP0001:00: TPM ready IRQ confirmed on attempt 2 [ 5.303599] e100: Intel(R) PRO/100 Network Driver [ 5.303605] e100: Copyright(c) 1999-2006 Intel Corporation [ 5.303778] e1000: Intel(R) PRO/1000 Network Driver [ 5.303783] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 5.303987] e1000e: Intel(R) PRO/1000 Network Driver [ 5.304006] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 5.304235] sky2: driver version 1.30 [ 5.304942] usbcore: registered new interface driver r8152 [ 5.305693] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 5.305722] ehci-pci: EHCI PCI platform driver [ 5.305886] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 5.305913] ohci-pci: OHCI PCI platform driver [ 5.306138] uhci_hcd: USB Universal Host Controller Interface driver [ 5.308898] xhci_hcd 0000:00:14.0: xHCI Host Controller [ 5.310769] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 1 [ 5.312501] xhci_hcd 0000:00:14.0: hcc params 0x200077c1 hci version 0x100 quirks 0x0000000081109810 [ 5.312567] xhci_hcd 0000:00:14.0: cache line size of 64 is not supported [ 5.316492] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10 [ 5.316565] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 5.316572] usb usb1: Product: xHCI Host Controller [ 5.316578] usb usb1: Manufacturer: Linux 5.10.145-cip17 xhci-hcd [ 5.316583] usb usb1: SerialNumber: 0000:00:14.0 [ 5.319210] hub 1-0:1.0: USB hub found [ 5.319407] hub 1-0:1.0: 12 ports detected [ 5.328204] xhci_hcd 0000:00:14.0: xHCI Host Controller [ 5.328997] tpm_tis_spi spi-PRP0001:00: 2.0 TPM (device-id 0x28, rev-id 0) [ 5.329197] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 2 [ 5.329215] xhci_hcd 0000:00:14.0: Host supports USB 3.0 SuperSpeed [ 5.329999] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.10 [ 5.330031] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 5.330037] usb usb2: Product: xHCI Host Controller [ 5.330064] usb usb2: Manufacturer: Linux 5.10.145-cip17 xhci-hcd [ 5.330070] usb usb2: SerialNumber: 0000:00:14.0 [ 5.332080] hub 2-0:1.0: USB hub found [ 5.332203] hub 2-0:1.0: 6 ports detected [ 5.334767] usbcore: registered new interface driver usblp [ 5.334854] usbcore: registered new interface driver usb-storage [ 5.335393] udc-core: couldn't find an available UDC - added [g_ether] to list of pending drivers [ 5.335529] i8042: PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1 [ 5.335532] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp [ 5.336276] i8042: Warning: Keylock active [ 5.336544] serio: i8042 KBD port at 0x60,0x64 irq 1 [ 5.339363] Console: switching to colour frame buffer device 240x67 [ 5.339878] rtc_cmos 00:02: RTC can wake from S4 [ 5.342646] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input2 [ 5.346857] rtc_cmos 00:02: registered as rtc0 [ 5.349283] rtc_cmos 00:02: alarms up to one month, 242 bytes nvram [ 5.351497] i801_smbus 0000:00:1f.4: SPD Write Disable is set [ 5.351590] i801_smbus 0000:00:1f.4: SMBus using PCI interrupt [ 5.353777] i2c i2c-9: 2/2 memory slots populated (from DMI) [ 5.356227] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com [ 5.361211] i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device [ 5.662240] usb 2-3: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 5.668610] intel_pstate: Intel P-state driver initializing [ 5.690155] usb 2-3: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=31.00 [ 5.740251] intel_pstate: HWP enabled [ 5.745810] usb 2-3: New USB device strings: Mfr=1, Product=2, SerialNumber=6 [ 5.745814] usb 2-3: Product: USB 10/100/1000 LAN [ 5.745816] usb 2-3: Manufacturer: Realtek [ 5.745818] usb 2-3: SerialNumber: 001000001 [ 5.782054] sdhci: Secure Digital Host Controller Interface driver [ 5.788998] sdhci: Copyright(c) Pierre Ossman [ 5.793929] sdhci-pci 0000:00:1e.4: SDHCI controller found [8086:9d2b] (rev 21) [ 5.803287] mmc0: SDHCI controller on PCI [0000:00:1e.4] using ADMA 64-bit [ 5.804041] 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 [ 5.811541] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.833142] hid: raw HID events driver (C) Jiri Kosina [ 5.834000] usb 1-3: new full-speed USB device number 2 using xhci_hcd [ 5.839425] usbcore: registered new interface driver usbhid [ 5.852472] usbhid: USB HID core driver [ 5.857269] input: Tablet Mode Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/GOOG0006:00/input/input3 [ 5.876720] cros_ec_lpcs GOOG0004:00: Chrome EC device registered [ 5.884299] snd_hda_intel 0000:00:1f.3: DSP detected with PCI class/subclass/prog-if info 0x040100 [ 5.895126] ipip: IPv4 and MPLS over IPv4 tunneling driver [ 5.901580] gre: GRE over IPv4 demultiplexor driver [ 5.907039] ip_gre: GRE over IPv4 tunneling driver [ 5.913268] IPv4 over IPsec tunneling driver [ 5.918446] Initializing XFRM netlink socket [ 5.923768] NET: Registered protocol family 10 [ 5.931100] Segment Routing with IPv6 [ 5.935848] ip6_gre: GRE over IPv6 tunneling driver [ 5.941490] snd_hda_intel 0000:00:1f.3: bound 0000:00:02.0 (ops i915_audio_component_bind_ops) [ 5.941899] NET: Registered protocol family 17 [ 5.956364] 8021q: 802.1Q VLAN Support v1.8 [ 5.961128] Key type dns_resolver registered [ 5.967005] microcode: sig=0x806e9, pf=0x10, revision=0x98 [ 5.973348] microcode: Microcode Update Driver: v2.2. [ 5.973355] IPI shorthand broadcast: enabled [ 5.983864] sched_clock: Marking stable (5896768656, 87021941)->(6092237056, -108446459) [ 5.993424] registered taskstats version 1 [ 5.993429] snd_hda_intel 0000:00:1f.3: Cannot probe codecs, giving up [ 5.998036] Loading compiled-in X.509 certificates [ 6.010775] usb 1-3: New USB device found, idVendor=8087, idProduct=0a2a, bcdDevice= 0.03 [ 6.013543] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.019955] usb 1-3: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 6.022142] mmc0: new HS400 MMC card at address 0001 [ 6.030326] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.036914] mmcblk0: mmc0:0001 DA4064 58.2 GiB [ 6.043232] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.050085] mmcblk0boot0: mmc0:0001 DA4064 partition 1 4.00 MiB [ 6.056514] PM: Magic number: 10:935:676 [ 6.063381] mmcblk0boot1: mmc0:0001 DA4064 partition 2 4.00 MiB [ 6.069927] vtconsole vtcon1: hash matches [ 6.085959] printk: console [netcon0] enabled [ 6.086021] mmcblk0rpmb: mmc0:0001 DA4064 partition 3 16.0 MiB, chardev (246:0) [ 6.090877] netconsole: network logging started [ 6.107740] usb 2-3: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 6.114220] mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12 [ 6.127354] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.151257] r8152 2-3:1.0: load rtl8153b-2 v1 10/23/19 successfully [ 6.186922] r8152 2-3:1.0 eth0: v1.11.11 [ 6.192462] IP-Config: Failed to open gretap0 [ 6.197504] IP-Config: Failed to open erspan0 [ 6.198122] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.227149] Sending DHCP requests . [ 6.242026] usb 1-9: new high-speed USB device number 3 using xhci_hcd [ 6.409367] usb 1-9: New USB device found, idVendor=13d3, idProduct=56d4, bcdDevice=18.07 [ 6.418568] usb 1-9: New USB device strings: Mfr=3, Product=1, SerialNumber=2 [ 6.426574] usb 1-9: Product: USB2.0 HD UVC WebCam [ 6.431974] usb 1-9: Manufacturer: Azurewave [ 6.436771] usb 1-9: SerialNumber: 0x0001 [ 6.446329] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 7.814137] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready [ 7.822163] r8152 2-3:1.0 eth0: carrier on [ 8.577108] ., OK [ 8.583294] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.10 [ 8.592284] IP-Config: Complete: [ 8.595922] device=eth0, hwaddr=00:e0:4c:68:01:e7, ipaddr=192.168.201.10, mask=255.255.255.0, gw=192.168.201.1 [ 8.607615] host=asus-C433TA-AJ0005-rammus-cbg-1, domain=lava-rack, nis-domain=(none) [ 8.616868] bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath= [ 8.616871] nameserver0=192.168.201.1 [ 8.629834] cfg80211: Loading compiled-in X.509 certificates for regulatory database [ 8.641342] modprobe (101) used greatest stack depth: 14208 bytes left [ 8.644569] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' [ 8.648679] modprobe (102) used greatest stack depth: 14120 bytes left [ 8.663532] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 [ 8.664072] ALSA device list: [ 8.673236] cfg80211: failed to load regulatory.db [ 8.676586] No soundcards found. [ 8.686204] dw-apb-uart dw-apb-uart.2: forbid DMA for kernel console [ 8.696305] Freeing unused kernel image (initmem) memory: 2036K [ 8.714236] Write protecting the kernel read-only data: 28672k [ 8.721919] Freeing unused kernel image (text/rodata gap) memory: 2028K [ 8.729956] Freeing unused kernel image (rodata/data gap) memory: 1384K [ 8.737505] Run /init as init process Loading, please wait... Starting version 247.3-7+deb11u1 [ 8.759368] systemd-udevd (123) used greatest stack depth: 13528 bytes left [ 8.968732] cros-usbpd-notify-acpi GOOG0003:00: Couldn't get Chrome EC device pointer. [ 8.978072] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 8.993024] udevadm (136) used greatest stack depth: 13504 bytes left [ 9.017786] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.075245] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.086611] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.106168] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.120689] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.130600] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) Begin: Loading essential drivers ... done. Begin: Running /scripts/init-premount ... done. Begin: Mounting root file system ... Begin: Running /scripts/nfs-top ... done. Begin: Running /scripts/nfs-premount ... done. IP-Config: gretap0 hardware address 00:00:00:00:00:00 mtu 1462 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: erspan0 hardware address 00:00:00:00:00:00 mtu 1450 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: eth0 hardware address 00:e0:4c:68:01:e7 mtu 1500 DHCP IP-Config: eth0 complete (dhcp from 192.168.201.1): address: 192.168.201.10 broadcast: 192.168.201.255 netmask: 255.255.255.0 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 : [ 9.257469] nfsmount (163) used greatest stack depth: 12688 bytes left done. Begin: Running /scripts/nfs-bottom ... done. Begin: Running /scripts/init-bottom ... done. SELinux: Could not open policy file <= /etc/selinux/targeted/policy/policy.33: No such file or directory [ 10.498494] systemd[1]: systemd 247.3-7+deb11u1 running in system mode. (+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 +ZSTD +SECCOMP +BLKID +ELFUTILS +KMOD +IDN2 -IDN +PCRE2 default-hierarchy=unified) [ 10.536260] systemd[1]: Detected architecture x86-64. Welcome to [1mDebian GNU/Linux 11 (bullseye)[0m! [ 10.565720] systemd[1]: Set hostname to . [ 11.329084] systemd[1]: Queued start job for default target Graphical Interface. [ 11.341828] systemd[1]: Created slice system-getty.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-getty.slice[0m. [ 11.357773] systemd[1]: Created slice system-modprobe.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-modprobe.slice[0m. [ 11.373729] systemd[1]: Created slice system-serial\x2dgetty.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-serial\x2dgetty.slice[0m. [ 11.390669] systemd[1]: Created slice User and Session Slice. [[0;32m OK [0m] Created slice [0;1;39mUser and Session Slice[0m. [ 11.406590] 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. [ 11.425547] 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. [ 11.447252] 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. [ 11.470365] systemd[1]: Reached target Local Encrypted Volumes. [[0;32m OK [0m] Reached target [0;1;39mLocal Encrypted Volumes[0m. [ 11.486332] systemd[1]: Reached target Paths. [[0;32m OK [0m] Reached target [0;1;39mPaths[0m. [ 11.497222] systemd[1]: Reached target Remote File Systems. [[0;32m OK [0m] Reached target [0;1;39mRemote File Systems[0m. [ 11.513314] systemd[1]: Reached target Slices. [[0;32m OK [0m] Reached target [0;1;39mSlices[0m. [ 11.524235] systemd[1]: Reached target Swap. [[0;32m OK [0m] Reached target [0;1;39mSwap[0m. [ 11.535583] systemd[1]: Listening on initctl Compatibility Named Pipe. [[0;32m OK [0m] Listening on [0;1;39minitctl Compatibility Named Pipe[0m. [ 11.553321] systemd[1]: Listening on Journal Audit Socket. [[0;32m OK [0m] Listening on [0;1;39mJournal Audit Socket[0m. [ 11.569444] systemd[1]: Listening on Journal Socket (/dev/log). [[0;32m OK [0m] Listening on [0;1;39mJournal Socket (/dev/log)[0m. [ 11.585825] systemd[1]: Listening on Journal Socket. [[0;32m OK [0m] Listening on [0;1;39mJournal Socket[0m. [ 11.601290] systemd[1]: Listening on Network Service Netlink Socket. [[0;32m OK [0m] Listening on [0;1;39mNetwork Service Netlink Socket[0m. [ 11.619650] systemd[1]: Listening on udev Control Socket. [[0;32m OK [0m] Listening on [0;1;39mudev Control Socket[0m. [ 11.635723] systemd[1]: Listening on udev Kernel Socket. [[0;32m OK [0m] Listening on [0;1;39mudev Kernel Socket[0m. [ 11.653473] systemd[1]: Mounting Huge Pages File System... Mounting [0;1;39mHuge Pages File System[0m... [ 11.670112] systemd[1]: Mounting POSIX Message Queue File System... Mounting [0;1;39mPOSIX Message Queue File System[0m... [ 11.687902] systemd[1]: Mounting Kernel Debug File System... Mounting [0;1;39mKernel Debug File System[0m... [ 11.704057] systemd[1]: Mounting Kernel Trace File System... Mounting [0;1;39mKernel Trace File System[0m... [ 11.728035] 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... [ 11.747598] systemd[1]: Starting Load Kernel Module configfs... Starting [0;1;39mLoad Kernel Module configfs[0m... [ 11.764941] systemd[1]: Starting Load Kernel Module drm... Starting [0;1;39mLoad Kernel Module drm[0m... [ 11.778759] systemd[1]: Starting Load Kernel Module fuse... Starting [0;1;39mLoad Kernel Module fuse[0m... [ 11.818925] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. [ 11.829347] fuse: init (API version 7.32) [ 11.835518] systemd[1]: Starting Journal Service... Starting [0;1;39mJournal Service[0m... [ 11.853751] systemd[1]: Starting Load Kernel Modules... Starting [0;1;39mLoad Kernel Modules[0m... [ 11.870690] systemd[1]: Starting Remount Root and Kernel File Systems... Starting [0;1;39mRemount Root and Kernel File Systems[0m... [ 11.890013] systemd[1]: Starting Coldplug All udev Devices... Starting [0;1;39mColdplug All udev Devices[0m... [ 11.909772] systemd[1]: Mounted Huge Pages File System. [[0;32m OK [0m] Mounted [0;1;39mHuge Pages File System[0m. [ 11.925489] systemd[1]: Mounted POSIX Message Queue File System. [[0;32m OK [0m] Mounted [0;1;39mPOSIX Message Queue File System[0m. [ 11.941290] systemd[1]: Mounted Kernel Debug File System. [[0;32m OK [0m] Mounted [0;1;39mKernel Debug File System[0m. [ 11.956287] systemd[1]: Mounted Kernel Trace File System. [[0;32m OK [0m] Mounted [0;1;39mKernel Trace File System[0m. [ 11.973006] systemd[1]: Finished Create list of static device nodes for the current kernel. [[0;32m OK [0m] Finished [0;1;39mCreate list of st… nodes for the current kernel[0m. [ 11.995427] systemd[1]: modprobe@configfs.service: Succeeded. [ 12.003044] systemd[1]: Finished Load Kernel Module configfs. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module configfs[0m. [ 12.019440] 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... [ 12.139371] systemd-journald[199]: 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. [ 13.654977] systemd-tmpfile (210) 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] Found device [0;1;39mSunrise Point-LP Serial IO UART Controller[0m. [[0;32m OK [0m] Created slice [0;1;39msystem-systemd\x2dbacklight.slice[0m. [[0;32m OK [0m] Listening on [0;1;39mLoad/Save RF …itch Status /dev/rfkill Watch[0m. Starting [0;1;39mLoad/Save Screen …f backlight:intel_backlight[0m... [[0;32m OK [0m] Started [0;1;39mNetwork Service[0m. [[0;32m OK [0m] Finished [0;1;39mLoad/Save Screen … of backlight:intel_backlight[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... 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] 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 5.10.145-cip17 #1 SMP Tue Oct 11 09:45:53 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/7550111/extract-nfsrootfs-9is8zsg0' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/7550111/extract-nfsrootfs-9is8zsg0' / # 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-7550111/environment . /lava-7550111/environment / # /lava-7550111/bin/lava-test-runner /lava-7550111/0 /lava-7550111/bin/lava-test-runner /lava-7550111/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-7550111/0/tests/0_timesync-off ++ cat uuid + UUID=7550111_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-7550111/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=7550111_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/v5.10.145-cip17-1-g92b5279a8e1f/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-7550111/0/tests/1_kselftest-lkdtm/automated/linux/kselftest/skipfile-lkft.yaml INFO: Using the following generated skipfile contents (until EOF): breakpoints:breakpoint_test breakpoints:step_after_suspend_test ftrace:ftracetest net:rtnetlink.sh net:tls netfilter:bridge_brouter.sh netfilter:nft_flowtable.sh netfilter:nft_trans_stress.sh pidfd:pidfd_wait INFO: EOF INFO: Installing sed perl wget xz-utils iproute2 Hit:1 http://deb.debian.org/debian bullseye InRelease Reading package lists... Reading package lists... Building dependency tree... Reading state information... iproute2 is already the newest version (5.10.0-4). perl is already the newest version (5.32.1-4+deb11u2). sed is already the newest version (4.7-1). wget is already the newest version (1.21-1+deb11u1). xz-utils is already the newest version (5.2.5-2.1~deb11u1). 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. --2022-10-11 09:41:27-- http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.145-cip17-1-g92b5279a8e1f/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: 3537316 (3.4M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 1%[ ] 46.39K 162KB/s kselftest.tar.xz 6%[> ] 214.67K 374KB/s kselftest.tar.xz 24%[===> ] 839.68K 793KB/s kselftest.tar.xz 71%[=============> ] 2.40M 1.85MB/s kselftest.tar.xz 100%[===================>] 3.37M 2.27MB/s in 1.5s 2022-10-11 09:41:29 (2.27 MB/s) - 'kselftest.tar.xz' saved [3537316/3537316] tar: ./user: time stamp 2022-10-11 09:50:55 is 564.927820035 s in the future tar: ./efivarfs/open-unlink: time stamp 2022-10-11 09:50:32 is 541.92231761 s in the future tar: ./efivarfs/create-read: time stamp 2022-10-11 09:50:32 is 541.918372213 s in the future tar: ./efivarfs: time stamp 2022-10-11 09:50:52 is 561.914599698 s in the future tar: ./openat2/rename_attack_test: time stamp 2022-10-11 09:50:44 is 553.902422894 s in the future tar: ./openat2/openat2_test: time stamp 2022-10-11 09:50:44 is 553.886019625 s in the future tar: ./openat2/resolve_test: time stamp 2022-10-11 09:50:45 is 554.861483967 s in the future tar: ./openat2: time stamp 2022-10-11 09:50:54 is 563.860265476 s in the future tar: ./core/close_range_test: time stamp 2022-10-11 09:50:32 is 541.852408913 s in the future tar: ./core: time stamp 2022-10-11 09:50:51 is 560.85134544 s in the future tar: ./lib: time stamp 2022-10-11 09:50:53 is 562.839027699 s in the future tar: ./cpufreq: time stamp 2022-10-11 09:50:51 is 560.820203792 s in the future tar: ./filesystems/binderfs/binderfs_test: time stamp 2022-10-11 09:50:52 is 561.811026091 s in the future tar: ./filesystems/binderfs: time stamp 2022-10-11 09:50:52 is 561.809683711 s in the future tar: ./filesystems/dnotify_test: time stamp 2022-10-11 09:50:32 is 541.805216098 s in the future tar: ./filesystems/epoll/epoll_wakeup_test: time stamp 2022-10-11 09:50:33 is 542.77566862 s in the future tar: ./filesystems/epoll: time stamp 2022-10-11 09:50:52 is 561.774579322 s in the future tar: ./filesystems/devpts_pts: time stamp 2022-10-11 09:50:32 is 541.770359109 s in the future tar: ./filesystems: time stamp 2022-10-11 09:50:52 is 561.769147154 s in the future tar: ./sigaltstack/sas: time stamp 2022-10-11 09:50:46 is 555.763420113 s in the future tar: ./sigaltstack: time stamp 2022-10-11 09:50:55 is 564.762194075 s in the future tar: ./kvm/demand_paging_test: time stamp 2022-10-11 09:50:38 is 547.715084462 s in the future tar: ./kvm/vmx_dirty_log_test: time stamp 2022-10-11 09:50:37 is 546.664043806 s in the future tar: ./kvm/smm_test: time stamp 2022-10-11 09:50:36 is 545.614525368 s in the future tar: ./kvm/cr4_cpuid_sync_test: time stamp 2022-10-11 09:50:36 is 545.579076561 s in the future tar: ./kvm/set_sregs_test: time stamp 2022-10-11 09:50:36 is 545.545192166 s in the future tar: ./kvm/sync_regs_test: time stamp 2022-10-11 09:50:37 is 546.509008886 s in the future tar: ./kvm/xss_msr_test: time stamp 2022-10-11 09:50:37 is 546.465937297 s in the future tar: ./kvm/kvm_pv_test: time stamp 2022-10-11 09:50:36 is 545.422523687 s in the future tar: ./kvm/vmx_set_nested_state_test: time stamp 2022-10-11 09:50:37 is 546.371370763 s in the future tar: ./kvm/user_msr_test: time stamp 2022-10-11 09:50:38 is 547.328198459 s in the future tar: ./kvm/vmx_apic_access_test: time stamp 2022-10-11 09:50:37 is 546.276898578 s in the future tar: ./kvm/dirty_log_test: time stamp 2022-10-11 09:50:38 is 547.228391418 s in the future tar: ./kvm/debug_regs: time stamp 2022-10-11 09:50:37 is 546.192204533 s in the future tar: ./kvm/vmx_tsc_adjust_test: time stamp 2022-10-11 09:50:37 is 546.13986692 s in the future tar: ./kvm/state_test: time stamp 2022-10-11 09:50:37 is 546.072878291 s in the future tar: ./kvm/mmio_warning_test: time stamp 2022-10-11 09:50:36 is 545.0370725 s in the future tar: ./kvm/set_memory_region_test: time stamp 2022-10-11 09:50:38 is 546.998231848 s in the future tar: ./kvm/dirty_log_perf_test: time stamp 2022-10-11 09:50:38 is 546.9600846 s in the future tar: ./kvm/kvm_create_max_vcpus: time stamp 2022-10-11 09:50:38 is 546.925617201 s in the future tar: ./kvm/svm_vmcall_test: time stamp 2022-10-11 09:50:37 is 545.887418112 s in the future tar: ./kvm/vmx_preemption_timer_test: time stamp 2022-10-11 09:50:37 is 545.826094905 s in the future tar: ./kvm/evmcs_test: time stamp 2022-10-11 09:50:36 is 544.768124012 s in the future tar: ./kvm/steal_time: time stamp 2022-10-11 09:50:38 is 546.731755549 s in the future tar: ./kvm/hyperv_cpuid: time stamp 2022-10-11 09:50:36 is 544.686520743 s in the future tar: ./kvm/platform_info_test: time stamp 2022-10-11 09:50:36 is 544.652878158 s in the future tar: ./kvm/vmx_close_while_nested_test: time stamp 2022-10-11 09:50:37 is 545.607099288 s in the future tar: ./kvm/tsc_msrs_test: time stamp 2022-10-11 09:50:38 is 546.569910922 s in the future tar: ./kvm: time stamp 2022-10-11 09:50:53 is 561.56775823 s in the future tar: ./tmpfs/bug-link-o-tmpfile: time stamp 2022-10-11 09:50:47 is 555.558789551 s in the future tar: ./tmpfs: time stamp 2022-10-11 09:50:55 is 563.556279336 s in the future tar: ./ipc/msgque: time stamp 2022-10-11 09:50:34 is 542.546503658 s in the future tar: ./ipc: time stamp 2022-10-11 09:50:53 is 561.543781466 s in the future tar: ./drivers/dma-buf/udmabuf: time stamp 2022-10-11 09:50:32 is 540.531335664 s in the future tar: ./drivers/dma-buf: time stamp 2022-10-11 09:50:51 is 559.528571559 s in the future tar: ./drivers: time stamp 2022-10-11 09:50:51 is 559.525877196 s in the future tar: ./static_keys: time stamp 2022-10-11 09:50:55 is 563.516129921 s in the future tar: ./intel_pstate: time stamp 2022-10-11 09:50:53 is 561.505424504 s in the future tar: ./x86/test_mremap_vdso_64: time stamp 2022-10-11 09:50:48 is 556.494251892 s in the future tar: ./x86/ioperm_64: time stamp 2022-10-11 09:50:49 is 557.486723678 s in the future tar: ./x86/iopl_64: time stamp 2022-10-11 09:50:49 is 557.479036131 s in the future tar: ./x86/sigreturn_32: time stamp 2022-10-11 09:50:48 is 556.469679422 s in the future tar: ./x86/mov_ss_trap_64: time stamp 2022-10-11 09:50:49 is 557.463235086 s in the future tar: ./x86/ldt_gdt_32: time stamp 2022-10-11 09:50:49 is 557.456231111 s in the future tar: ./x86/sysret_ss_attrs_32: time stamp 2022-10-11 09:50:48 is 556.451270003 s in the future tar: ./x86/check_initial_reg_state_64: time stamp 2022-10-11 09:50:49 is 557.351734165 s in the future tar: ./x86/test_vsyscall_32: time stamp 2022-10-11 09:50:48 is 556.346318096 s in the future tar: ./x86/entry_from_vm86_32: time stamp 2022-10-11 09:50:48 is 556.341521053 s in the future tar: ./x86/mov_ss_trap_32: time stamp 2022-10-11 09:50:48 is 556.336879571 s in the future tar: ./x86/test_FISTTP_32: time stamp 2022-10-11 09:50:48 is 556.332516513 s in the future tar: ./x86/test_vsyscall_64: time stamp 2022-10-11 09:50:49 is 557.32430707 s in the future tar: ./x86/syscall_nt_32: time stamp 2022-10-11 09:50:48 is 556.316888959 s in the future tar: ./x86/syscall_arg_fault_32: time stamp 2022-10-11 09:50:48 is 556.309604143 s in the future tar: ./x86/test_vdso_64: time stamp 2022-10-11 09:50:49 is 557.301765782 s in the future tar: ./x86/sysret_rip_64: time stamp 2022-10-11 09:50:49 is 557.292614299 s in the future tar: ./x86/vdso_restorer_32: time stamp 2022-10-11 09:50:48 is 556.285609669 s in the future tar: ./x86/unwind_vdso_32: time stamp 2022-10-11 09:50:48 is 556.278520892 s in the future tar: ./x86/iopl_32: time stamp 2022-10-11 09:50:48 is 556.270847317 s in the future tar: ./x86/ptrace_syscall_64: time stamp 2022-10-11 09:50:49 is 557.262081916 s in the future tar: ./x86/fsgsbase_64: time stamp 2022-10-11 09:50:49 is 557.252726383 s in the future tar: ./x86/ptrace_syscall_32: time stamp 2022-10-11 09:50:49 is 557.245184127 s in the future tar: ./x86/syscall_nt_64: time stamp 2022-10-11 09:50:48 is 556.237113482 s in the future tar: ./x86/ldt_gdt_64: time stamp 2022-10-11 09:50:49 is 557.227768034 s in the future tar: ./x86/syscall_arg_fault_64: time stamp 2022-10-11 09:50:49 is 557.220646454 s in the future tar: ./x86/sigreturn_64: time stamp 2022-10-11 09:50:49 is 557.210072339 s in the future tar: ./x86/fsgsbase_restore_64: time stamp 2022-10-11 09:50:49 is 557.202608898 s in the future tar: ./x86/ioperm_32: time stamp 2022-10-11 09:50:48 is 556.195055392 s in the future tar: ./x86/test_FCMOV_32: time stamp 2022-10-11 09:50:48 is 556.187093456 s in the future tar: ./x86/single_step_syscall_64: time stamp 2022-10-11 09:50:48 is 556.179595868 s in the future tar: ./x86/syscall_numbering_64: time stamp 2022-10-11 09:50:49 is 557.172709988 s in the future tar: ./x86/test_syscall_vdso_32: time stamp 2022-10-11 09:50:48 is 556.164865517 s in the future tar: ./x86/test_mremap_vdso_32: time stamp 2022-10-11 09:50:48 is 556.158078939 s in the future tar: ./x86/sysret_ss_attrs_64: time stamp 2022-10-11 09:50:48 is 556.151166268 s in the future tar: ./x86/check_initial_reg_state_32: time stamp 2022-10-11 09:50:48 is 556.066226199 s in the future tar: ./x86/fsgsbase_restore_32: time stamp 2022-10-11 09:50:48 is 556.061698454 s in the future tar: ./x86/single_step_syscall_32: time stamp 2022-10-11 09:50:48 is 556.056743999 s in the future tar: ./x86/test_vdso_32: time stamp 2022-10-11 09:50:48 is 556.049511345 s in the future tar: ./x86/test_FCOMI_32: time stamp 2022-10-11 09:50:48 is 556.042259842 s in the future tar: ./x86: time stamp 2022-10-11 09:50:56 is 564.039865845 s in the future tar: ./sync/sync_test: time stamp 2022-10-11 09:50:46 is 554.027542492 s in the future tar: ./sync: time stamp 2022-10-11 09:50:55 is 563.025411426 s in the future tar: ./ir/ir_loopback: time stamp 2022-10-11 09:50:34 is 542.012205629 s in the future tar: ./ir: time stamp 2022-10-11 09:50:53 is 561.009873118 s in the future tar: ./proc/proc-self-map-files-001: time stamp 2022-10-11 09:50:44 is 552.003074532 s in the future tar: ./proc/read: time stamp 2022-10-11 09:50:44 is 551.998809649 s in the future tar: ./proc/fd-001-lookup: time stamp 2022-10-11 09:50:44 is 551.994822001 s in the future tar: ./proc/proc-fsconfig-hidepid: time stamp 2022-10-11 09:50:44 is 551.99076367 s in the future tar: ./proc/fd-003-kthread: time stamp 2022-10-11 09:50:44 is 551.986521951 s in the future tar: ./proc/proc-self-map-files-002: time stamp 2022-10-11 09:50:44 is 551.982175064 s in the future tar: ./proc/setns-sysvipc: time stamp 2022-10-11 09:50:44 is 551.975581754 s in the future tar: ./proc/proc-pid-vm: time stamp 2022-10-11 09:50:44 is 551.968524683 s in the future tar: ./proc/proc-multiple-procfs: time stamp 2022-10-11 09:50:44 is 551.961557883 s in the future tar: ./proc/proc-uptime-002: time stamp 2022-10-11 09:50:44 is 551.95373619 s in the future tar: ./proc/proc-self-syscall: time stamp 2022-10-11 09:50:44 is 551.946317122 s in the future tar: ./proc/proc-self-wchan: time stamp 2022-10-11 09:50:44 is 551.93927557 s in the future tar: ./proc/fd-002-posix-eq: time stamp 2022-10-11 09:50:44 is 551.932047332 s in the future tar: ./proc/proc-uptime-001: time stamp 2022-10-11 09:50:44 is 551.92376607 s in the future tar: ./proc/thread-self: time stamp 2022-10-11 09:50:44 is 551.916180121 s in the future tar: ./proc/setns-dcache: time stamp 2022-10-11 09:50:44 is 551.909140839 s in the future tar: ./proc/proc-loadavg-001: time stamp 2022-10-11 09:50:44 is 551.903596414 s in the future tar: ./proc/self: time stamp 2022-10-11 09:50:44 is 551.898274184 s in the future tar: ./proc: time stamp 2022-10-11 09:50:54 is 561.896611643 s in the future tar: ./netfilter/nf-queue: time stamp 2022-10-11 09:50:43 is 550.856277036 s in the future tar: ./netfilter: time stamp 2022-10-11 09:50:54 is 561.839489955 s in the future tar: ./mount/nosymfollow-test: time stamp 2022-10-11 09:50:39 is 546.828293258 s in the future tar: ./mount/unprivileged-remount-test: time stamp 2022-10-11 09:50:39 is 546.822918357 s in the future tar: ./mount: time stamp 2022-10-11 09:50:53 is 560.817908241 s in the future tar: ./android/run.sh: time stamp 2022-10-11 09:50:49 is 556.812263786 s in the future tar: ./android: time stamp 2022-10-11 09:50:49 is 556.810462454 s in the future tar: ./pid_namespace/regression_enomem: time stamp 2022-10-11 09:50:44 is 551.801425656 s in the future tar: ./pid_namespace: time stamp 2022-10-11 09:50:54 is 561.799939228 s in the future tar: ./splice/default_file_splice_read: time stamp 2022-10-11 09:50:46 is 553.787495699 s in the future tar: ./splice/splice_read: time stamp 2022-10-11 09:50:46 is 553.782698227 s in the future tar: ./splice: time stamp 2022-10-11 09:50:55 is 562.781186166 s in the future tar: ./rseq/param_test: time stamp 2022-10-11 09:50:45 is 552.763768751 s in the future tar: ./rseq/librseq.so: time stamp 2022-10-11 09:50:45 is 552.758181519 s in the future tar: ./rseq/basic_test: time stamp 2022-10-11 09:50:45 is 552.74964794 s in the future tar: ./rseq/param_test_compare_twice: time stamp 2022-10-11 09:50:45 is 552.733407575 s in the future tar: ./rseq/basic_percpu_ops_test: time stamp 2022-10-11 09:50:45 is 552.722181989 s in the future tar: ./rseq/param_test_benchmark: time stamp 2022-10-11 09:50:45 is 552.70764702 s in the future tar: ./rseq: time stamp 2022-10-11 09:50:54 is 561.705741116 s in the future tar: ./zram: time stamp 2022-10-11 09:50:56 is 563.684602151 s in the future tar: ./firmware/fw_namespace: time stamp 2022-10-11 09:50:33 is 540.661619809 s in the future tar: ./firmware: time stamp 2022-10-11 09:50:52 is 559.655891941 s in the future tar: ./breakpoints/step_after_suspend_test: time stamp 2022-10-11 09:50:32 is 539.649230893 s in the future tar: ./breakpoints: time stamp 2022-10-11 09:50:51 is 558.647630276 s in the future tar: ./timens/procfs: time stamp 2022-10-11 09:50:46 is 553.641063161 s in the future tar: ./timens/timer: time stamp 2022-10-11 09:50:46 is 553.635787831 s in the future tar: ./timens/clock_nanosleep: time stamp 2022-10-11 09:50:46 is 553.630002487 s in the future tar: ./timens/timens: time stamp 2022-10-11 09:50:46 is 553.624231038 s in the future tar: ./timens/timerfd: time stamp 2022-10-11 09:50:46 is 553.619150045 s in the future tar: ./timens/futex: time stamp 2022-10-11 09:50:46 is 553.613883493 s in the future tar: ./timens/gettime_perf: time stamp 2022-10-11 09:50:46 is 553.608577454 s in the future tar: ./timens/exec: time stamp 2022-10-11 09:50:46 is 553.602503294 s in the future tar: ./timens: time stamp 2022-10-11 09:50:55 is 562.600776589 s in the future tar: ./memory-hotplug: time stamp 2022-10-11 09:50:53 is 560.593741601 s in the future tar: ./vm/hugepage-mmap: time stamp 2022-10-11 09:50:47 is 554.586492592 s in the future tar: ./vm/hmm-tests: time stamp 2022-10-11 09:50:47 is 554.565589925 s in the future tar: ./vm/khugepaged: time stamp 2022-10-11 09:50:48 is 555.559307797 s in the future tar: ./vm/transhuge-stress: time stamp 2022-10-11 09:50:48 is 555.554416944 s in the future tar: ./vm/map_populate: time stamp 2022-10-11 09:50:47 is 554.549400287 s in the future tar: ./vm/virtual_address_range: time stamp 2022-10-11 09:50:48 is 555.544409288 s in the future tar: ./vm/userfaultfd: time stamp 2022-10-11 09:50:48 is 555.537030088 s in the future tar: ./vm/mlock2-tests: time stamp 2022-10-11 09:50:47 is 554.531144393 s in the future tar: ./vm/write_to_hugetlbfs: time stamp 2022-10-11 09:50:48 is 555.525152364 s in the future tar: ./vm/compaction_test: time stamp 2022-10-11 09:50:47 is 554.519042177 s in the future tar: ./vm/gup_benchmark: time stamp 2022-10-11 09:50:47 is 554.513286068 s in the future tar: ./vm/va_128TBswitch: time stamp 2022-10-11 09:50:48 is 555.508066394 s in the future tar: ./vm/protection_keys_32: time stamp 2022-10-11 09:50:48 is 555.499282528 s in the future tar: ./vm/on-fault-limit: time stamp 2022-10-11 09:50:47 is 554.494285519 s in the future tar: ./vm/mremap_dontunmap: time stamp 2022-10-11 09:50:47 is 554.486896816 s in the future tar: ./vm/map_fixed_noreplace: time stamp 2022-10-11 09:50:47 is 554.479237989 s in the future tar: ./vm/map_hugetlb: time stamp 2022-10-11 09:50:47 is 554.466594005 s in the future tar: ./vm/hugepage-shm: time stamp 2022-10-11 09:50:47 is 554.459204022 s in the future tar: ./vm/thuge-gen: time stamp 2022-10-11 09:50:48 is 555.445480145 s in the future tar: ./vm/mlock-random-test: time stamp 2022-10-11 09:50:47 is 554.437079473 s in the future tar: ./vm/protection_keys_64: time stamp 2022-10-11 09:50:48 is 555.425491426 s in the future tar: ./vm: time stamp 2022-10-11 09:50:56 is 563.423395073 s in the future tar: ./seccomp/seccomp_bpf: time stamp 2022-10-11 09:50:46 is 553.382162966 s in the future tar: ./seccomp/seccomp_benchmark: time stamp 2022-10-11 09:50:46 is 553.377729312 s in the future tar: ./seccomp: time stamp 2022-10-11 09:50:55 is 562.376469584 s in the future tar: ./net/forwarding: time stamp 2022-10-11 09:50:54 is 561.078590976 s in the future tar: ./net/tcp_mmap: time stamp 2022-10-11 09:50:41 is 548.068260266 s in the future tar: ./net/reuseport_bpf: time stamp 2022-10-11 09:50:39 is 546.056932572 s in the future tar: ./net/socket: time stamp 2022-10-11 09:50:40 is 547.052513157 s in the future tar: ./net/reuseport_addr_any: time stamp 2022-10-11 09:50:41 is 548.044546632 s in the future tar: ./net/reuseport_bpf_cpu: time stamp 2022-10-11 09:50:39 is 546.038237512 s in the future tar: ./net/psock_tpacket: time stamp 2022-10-11 09:50:41 is 548.026838302 s in the future tar: ./net/so_txtime: time stamp 2022-10-11 09:50:42 is 549.020352496 s in the future tar: ./net/hwtstamp_config: time stamp 2022-10-11 09:50:42 is 549.015399822 s in the future tar: ./net/ipsec: time stamp 2022-10-11 09:50:43 is 549.992213338 s in the future tar: ./net/tcp_fastopen_backup_key: time stamp 2022-10-11 09:50:42 is 548.964909065 s in the future tar: ./net/udpgso: time stamp 2022-10-11 09:50:41 is 547.954797176 s in the future tar: ./net/reuseport_bpf_numa: time stamp 2022-10-11 09:50:39 is 545.931385904 s in the future tar: ./net/msg_zerocopy: time stamp 2022-10-11 09:50:41 is 547.90543147 s in the future tar: ./net/rxtimestamp: time stamp 2022-10-11 09:50:42 is 548.89703399 s in the future tar: ./net/txtimestamp: time stamp 2022-10-11 09:50:43 is 549.868240477 s in the future tar: ./net/ip_defrag: time stamp 2022-10-11 09:50:42 is 548.860404359 s in the future tar: ./net/ipv6_flowlabel: time stamp 2022-10-11 09:50:42 is 548.853926874 s in the future tar: ./net/udpgso_bench_tx: time stamp 2022-10-11 09:50:42 is 548.833679869 s in the future tar: ./net/nettest: time stamp 2022-10-11 09:50:40 is 546.819045024 s in the future tar: ./net/timestamping: time stamp 2022-10-11 09:50:43 is 549.811515426 s in the future tar: ./net/reuseaddr_ports_exhausted: time stamp 2022-10-11 09:50:42 is 548.798754395 s in the future tar: ./net/udpgso_bench_rx: time stamp 2022-10-11 09:50:42 is 548.791214994 s in the future tar: ./net/psock_snd: time stamp 2022-10-11 09:50:41 is 547.762301373 s in the future tar: ./net/txring_overwrite: time stamp 2022-10-11 09:50:41 is 547.747205369 s in the future tar: ./net/tcp_inq: time stamp 2022-10-11 09:50:41 is 547.732382479 s in the future tar: ./net/psock_fanout: time stamp 2022-10-11 09:50:41 is 547.708495645 s in the future tar: ./net/mptcp/pm_nl_ctl: time stamp 2022-10-11 09:50:43 is 549.656389657 s in the future tar: ./net/mptcp/mptcp_connect: time stamp 2022-10-11 09:50:43 is 549.646383442 s in the future tar: ./net/mptcp: time stamp 2022-10-11 09:50:54 is 560.644371521 s in the future tar: ./net/reuseaddr_conflict: time stamp 2022-10-11 09:50:39 is 545.637656432 s in the future tar: ./net/fin_ack_lat: time stamp 2022-10-11 09:50:42 is 548.623147048 s in the future tar: ./net/ipv6_flowlabel_mgr: time stamp 2022-10-11 09:50:42 is 548.615231868 s in the future tar: ./net/tls: time stamp 2022-10-11 09:50:40 is 546.567358898 s in the future tar: ./net/reuseport_dualstack: time stamp 2022-10-11 09:50:39 is 545.542428611 s in the future tar: ./net: time stamp 2022-10-11 09:50:54 is 560.540626776 s in the future tar: ./memfd/fuse_mnt: time stamp 2022-10-11 09:50:38 is 544.534713935 s in the future tar: ./memfd/memfd_test: time stamp 2022-10-11 09:50:38 is 544.52507385 s in the future tar: ./memfd/fuse_test: time stamp 2022-10-11 09:50:38 is 544.517176781 s in the future tar: ./memfd: time stamp 2022-10-11 09:50:53 is 559.508598102 s in the future tar: ./futex/run.sh: time stamp 2022-10-11 09:50:52 is 558.499901896 s in the future tar: ./futex/functional/futex_wait_private_mapped_file: time stamp 2022-10-11 09:50:34 is 540.486135206 s in the future tar: ./futex/functional/futex_requeue_pi: time stamp 2022-10-11 09:50:34 is 540.474780294 s in the future tar: ./futex/functional/futex_requeue_pi_mismatched_ops: time stamp 2022-10-11 09:50:34 is 540.46555105 s in the future tar: ./futex/functional/futex_wait_wouldblock: time stamp 2022-10-11 09:50:33 is 539.456847794 s in the future tar: ./futex/functional/futex_wait_timeout: time stamp 2022-10-11 09:50:33 is 539.443583684 s in the future tar: ./futex/functional/futex_wait_uninitialized_heap: time stamp 2022-10-11 09:50:34 is 540.435690843 s in the future tar: ./futex/functional/futex_requeue_pi_signal_restart: time stamp 2022-10-11 09:50:34 is 540.427858363 s in the future tar: ./futex/functional: time stamp 2022-10-11 09:50:52 is 558.426222187 s in the future tar: ./futex: time stamp 2022-10-11 09:50:52 is 558.424450111 s in the future tar: ./lkdtm/WRITE_BUDDY_AFTER_FREE.sh: time stamp 2022-10-11 09:50:38 is 544.419168431 s in the future tar: ./lkdtm/CORRUPT_STACK.sh: time stamp 2022-10-11 09:50:38 is 544.41531853 s in the future tar: ./lkdtm/STACKLEAK_ERASING.sh: time stamp 2022-10-11 09:50:38 is 544.411223439 s in the future tar: ./lkdtm/SPINLOCKUP.sh: time stamp 2022-10-11 09:50:38 is 544.407692243 s in the future tar: ./lkdtm/REFCOUNT_SUB_AND_TEST_SATURATED.sh: time stamp 2022-10-11 09:50:38 is 544.404045453 s in the future tar: ./lkdtm/WRITE_AFTER_FREE.sh: time stamp 2022-10-11 09:50:38 is 544.400386589 s in the future tar: ./lkdtm/HUNG_TASK.sh: time stamp 2022-10-11 09:50:38 is 544.396729838 s in the future tar: ./lkdtm/REFCOUNT_ADD_ZERO.sh: time stamp 2022-10-11 09:50:38 is 544.393224307 s in the future tar: ./lkdtm/USERCOPY_KERNEL.sh: time stamp 2022-10-11 09:50:38 is 544.389503161 s in the future tar: ./lkdtm/EXHAUST_STACK.sh: time stamp 2022-10-11 09:50:38 is 544.385877001 s in the future tar: ./lkdtm/USERCOPY_HEAP_SIZE_TO.sh: time stamp 2022-10-11 09:50:38 is 544.382065677 s in the future tar: ./lkdtm/WARNING_MESSAGE.sh: time stamp 2022-10-11 09:50:38 is 544.378057778 s in the future tar: ./lkdtm/REFCOUNT_DEC_SATURATED.sh: time stamp 2022-10-11 09:50:38 is 544.373959049 s in the future tar: ./lkdtm/USERCOPY_HEAP_WHITELIST_FROM.sh: time stamp 2022-10-11 09:50:38 is 544.370174119 s in the future tar: ./lkdtm/STACK_GUARD_PAGE_TRAILING.sh: time stamp 2022-10-11 09:50:38 is 544.366374197 s in the future tar: ./lkdtm/REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh: time stamp 2022-10-11 09:50:38 is 544.362643773 s in the future tar: ./lkdtm/DOUBLE_FAULT.sh: time stamp 2022-10-11 09:50:38 is 544.358641825 s in the future tar: ./lkdtm/UNSET_SMEP.sh: time stamp 2022-10-11 09:50:38 is 544.354052997 s in the future tar: ./lkdtm/EXEC_NULL.sh: time stamp 2022-10-11 09:50:38 is 544.350034944 s in the future tar: ./lkdtm/ATOMIC_TIMING.sh: time stamp 2022-10-11 09:50:38 is 544.344598535 s in the future tar: ./lkdtm/REFCOUNT_DEC_AND_TEST_SATURATED.sh: time stamp 2022-10-11 09:50:38 is 544.33819787 s in the future tar: ./lkdtm/EXEC_USERSPACE.sh: time stamp 2022-10-11 09:50:38 is 544.331419231 s in the future tar: ./lkdtm/CORRUPT_PAC.sh: time stamp 2022-10-11 09:50:38 is 544.32570341 s in the future tar: ./lkdtm/REFCOUNT_INC_NOT_ZERO_SATURATED.sh: time stamp 2022-10-11 09:50:38 is 544.31571853 s in the future tar: ./lkdtm/USERCOPY_HEAP_WHITELIST_TO.sh: time stamp 2022-10-11 09:50:38 is 544.31032729 s in the future tar: ./lkdtm/SLAB_FREE_DOUBLE.sh: time stamp 2022-10-11 09:50:38 is 544.305685668 s in the future tar: ./lkdtm/EXEC_RODATA.sh: time stamp 2022-10-11 09:50:38 is 544.300268263 s in the future tar: ./lkdtm/CFI_FORWARD_PROTO.sh: time stamp 2022-10-11 09:50:38 is 544.295169249 s in the future tar: ./lkdtm/SLAB_FREE_PAGE.sh: time stamp 2022-10-11 09:50:38 is 544.289874154 s in the future tar: ./lkdtm/REFCOUNT_INC_SATURATED.sh: time stamp 2022-10-11 09:50:38 is 544.285143618 s in the future tar: ./lkdtm/REFCOUNT_TIMING.sh: time stamp 2022-10-11 09:50:38 is 544.28010443 s in the future tar: ./lkdtm/EXCEPTION.sh: time stamp 2022-10-11 09:50:38 is 544.27468945 s in the future tar: ./lkdtm/EXEC_KMALLOC.sh: time stamp 2022-10-11 09:50:38 is 544.269078962 s in the future tar: ./lkdtm/ACCESS_USERSPACE.sh: time stamp 2022-10-11 09:50:38 is 544.263663248 s in the future tar: ./lkdtm/READ_BUDDY_AFTER_FREE.sh: time stamp 2022-10-11 09:50:38 is 544.25838272 s in the future tar: ./lkdtm/STACK_GUARD_PAGE_LEADING.sh: time stamp 2022-10-11 09:50:38 is 544.253876355 s in the future tar: ./lkdtm/REFCOUNT_ADD_SATURATED.sh: time stamp 2022-10-11 09:50:38 is 544.249340792 s in the future tar: ./lkdtm/REFCOUNT_DEC_NEGATIVE.sh: time stamp 2022-10-11 09:50:38 is 544.244600555 s in the future tar: ./lkdtm/WRITE_KERN.sh: time stamp 2022-10-11 09:50:38 is 544.240679217 s in the future tar: ./lkdtm/CORRUPT_LIST_DEL.sh: time stamp 2022-10-11 09:50:38 is 544.236563978 s in the future tar: ./lkdtm/REFCOUNT_INC_ZERO.sh: time stamp 2022-10-11 09:50:38 is 544.232339883 s in the future tar: ./lkdtm/SOFTLOCKUP.sh: time stamp 2022-10-11 09:50:38 is 544.227701939 s in the future tar: ./lkdtm/UNALIGNED_LOAD_STORE_WRITE.sh: time stamp 2022-10-11 09:50:38 is 544.22304661 s in the future tar: ./lkdtm/LOOP.sh: time stamp 2022-10-11 09:50:38 is 544.218093579 s in the future tar: ./lkdtm/EXEC_DATA.sh: time stamp 2022-10-11 09:50:38 is 544.213111274 s in the future tar: ./lkdtm/USERCOPY_HEAP_SIZE_FROM.sh: time stamp 2022-10-11 09:50:38 is 544.208465544 s in the future tar: ./lkdtm/CORRUPT_STACK_STRONG.sh: time stamp 2022-10-11 09:50:38 is 544.203953412 s in the future tar: ./lkdtm/REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh: time stamp 2022-10-11 09:50:38 is 544.199155314 s in the future tar: ./lkdtm/EXEC_VMALLOC.sh: time stamp 2022-10-11 09:50:38 is 544.192929141 s in the future tar: ./lkdtm/OVERWRITE_ALLOCATION.sh: time stamp 2022-10-11 09:50:38 is 544.187000109 s in the future tar: ./lkdtm/SLAB_FREE_CROSS.sh: time stamp 2022-10-11 09:50:38 is 544.182554568 s in the future tar: ./lkdtm/PANIC.sh: time stamp 2022-10-11 09:50:38 is 544.177745989 s in the future tar: ./lkdtm/REFCOUNT_INC_OVERFLOW.sh: time stamp 2022-10-11 09:50:38 is 544.1725764 s in the future tar: ./lkdtm/USERCOPY_STACK_FRAME_TO.sh: time stamp 2022-10-11 09:50:38 is 544.167182372 s in the future tar: ./lkdtm/USERCOPY_STACK_BEYOND.sh: time stamp 2022-10-11 09:50:38 is 544.162126855 s in the future tar: ./lkdtm/REFCOUNT_ADD_NOT_ZERO_SATURATED.sh: time stamp 2022-10-11 09:50:38 is 544.157162113 s in the future tar: ./lkdtm/READ_AFTER_FREE.sh: time stamp 2022-10-11 09:50:38 is 544.152179368 s in the future tar: ./lkdtm/EXEC_STACK.sh: time stamp 2022-10-11 09:50:38 is 544.147408771 s in the future tar: ./lkdtm/WARNING.sh: time stamp 2022-10-11 09:50:38 is 544.143259018 s in the future tar: ./lkdtm/REFCOUNT_ADD_OVERFLOW.sh: time stamp 2022-10-11 09:50:38 is 544.139133689 s in the future tar: ./lkdtm/HARDLOCKUP.sh: time stamp 2022-10-11 09:50:38 is 544.13487494 s in the future tar: ./lkdtm/REFCOUNT_DEC_AND_TEST_NEGATIVE.sh: time stamp 2022-10-11 09:50:38 is 544.130339828 s in the future tar: ./lkdtm/BUG.sh: time stamp 2022-10-11 09:50:38 is 544.12571322 s in the future tar: ./lkdtm/WRITE_RO.sh: time stamp 2022-10-11 09:50:38 is 544.121390802 s in the future tar: ./lkdtm/ACCESS_NULL.sh: time stamp 2022-10-11 09:50:38 is 544.117020248 s in the future tar: ./lkdtm/REFCOUNT_DEC_ZERO.sh: time stamp 2022-10-11 09:50:38 is 544.112344653 s in the future tar: ./lkdtm/CORRUPT_LIST_ADD.sh: time stamp 2022-10-11 09:50:38 is 544.108177006 s in the future tar: ./lkdtm/REFCOUNT_SUB_AND_TEST_NEGATIVE.sh: time stamp 2022-10-11 09:50:38 is 544.103405864 s in the future tar: ./lkdtm/USERCOPY_STACK_FRAME_FROM.sh: time stamp 2022-10-11 09:50:38 is 544.099140202 s in the future tar: ./lkdtm/WRITE_RO_AFTER_INIT.sh: time stamp 2022-10-11 09:50:38 is 544.094563395 s in the future tar: ./lkdtm: time stamp 2022-10-11 09:50:53 is 559.092308752 s in the future tar: ./nsfs/owner: time stamp 2022-10-11 09:50:44 is 550.082570423 s in the future tar: ./nsfs/pidns: time stamp 2022-10-11 09:50:44 is 550.075601511 s in the future tar: ./nsfs: time stamp 2022-10-11 09:50:54 is 560.073442024 s in the future tar: ./membarrier/membarrier_test_multi_thread: time stamp 2022-10-11 09:50:38 is 544.063483926 s in the future tar: ./membarrier/membarrier_test_single_thread: time stamp 2022-10-11 09:50:38 is 544.056014032 s in the future tar: ./membarrier: time stamp 2022-10-11 09:50:53 is 559.052812987 s in the future tar: ./fpu/test_fpu: time stamp 2022-10-11 09:50:33 is 538.656455797 s in the future tar: ./fpu: time stamp 2022-10-11 09:50:52 is 557.645487427 s in the future tar: ./sysctl: time stamp 2022-10-11 09:50:55 is 560.63051242 s in the future tar: ./livepatch: time stamp 2022-10-11 09:50:53 is 558.575726932 s in the future tar: ./rtc/rtctest: time stamp 2022-10-11 09:50:46 is 551.557056704 s in the future tar: ./rtc/setdate: time stamp 2022-10-11 09:50:45 is 550.549656405 s in the future tar: ./rtc: time stamp 2022-10-11 09:50:55 is 560.547150222 s in the future tar: ./mincore/mincore_selftest: time stamp 2022-10-11 09:50:39 is 544.533460069 s in the future tar: ./mincore: time stamp 2022-10-11 09:50:53 is 558.53129429 s in the future tar: ./cgroup/test_memcontrol: time stamp 2022-10-11 09:50:32 is 537.512005582 s in the future tar: ./cgroup/test_kmem: time stamp 2022-10-11 09:50:32 is 537.496671054 s in the future tar: ./cgroup/test_freezer: time stamp 2022-10-11 09:50:32 is 537.486656732 s in the future tar: ./cgroup/test_core: time stamp 2022-10-11 09:50:32 is 537.477008143 s in the future tar: ./cgroup: time stamp 2022-10-11 09:50:51 is 556.473821271 s in the future tar: ./kcmp/kcmp_test: time stamp 2022-10-11 09:50:35 is 540.462884281 s in the future tar: ./kcmp: time stamp 2022-10-11 09:50:53 is 558.459821589 s in the future tar: ./ftrace: time stamp 2022-10-11 09:50:52 is 557.036759167 s in the future tar: ./timers/nanosleep: time stamp 2022-10-11 09:50:47 is 552.03021757 s in the future tar: ./timers/set-tai: time stamp 2022-10-11 09:50:47 is 552.025354497 s in the future tar: ./timers/adjtick: time stamp 2022-10-11 09:50:47 is 552.021279832 s in the future tar: ./timers/posix_timers: time stamp 2022-10-11 09:50:47 is 552.017363087 s in the future tar: ./timers/inconsistency-check: time stamp 2022-10-11 09:50:47 is 552.013241 s in the future tar: ./timers/change_skew: time stamp 2022-10-11 09:50:47 is 552.008732849 s in the future tar: ./timers/threadtest: time stamp 2022-10-11 09:50:47 is 552.003964345 s in the future tar: ./timers/leap-a-day: time stamp 2022-10-11 09:50:47 is 551.998624826 s in the future tar: ./timers/leapcrash: time stamp 2022-10-11 09:50:47 is 551.994401472 s in the future tar: ./timers/rtcpie: time stamp 2022-10-11 09:50:47 is 551.989222325 s in the future tar: ./timers/set-2038: time stamp 2022-10-11 09:50:47 is 551.982211107 s in the future tar: ./timers/set-tz: time stamp 2022-10-11 09:50:47 is 551.977534516 s in the future tar: ./timers/freq-step: time stamp 2022-10-11 09:50:47 is 551.973426633 s in the future tar: ./timers/alarmtimer-suspend: time stamp 2022-10-11 09:50:47 is 551.969361328 s in the future tar: ./timers/nsleep-lat: time stamp 2022-10-11 09:50:47 is 551.965456746 s in the future tar: ./timers/skew_consistency: time stamp 2022-10-11 09:50:47 is 551.961120042 s in the future tar: ./timers/clocksource-switch: time stamp 2022-10-11 09:50:47 is 551.957109814 s in the future tar: ./timers/valid-adjtimex: time stamp 2022-10-11 09:50:47 is 551.952977148 s in the future tar: ./timers/set-timer-lat: time stamp 2022-10-11 09:50:47 is 551.948298938 s in the future tar: ./timers/mqueue-lat: time stamp 2022-10-11 09:50:47 is 551.944105206 s in the future tar: ./timers/raw_skew: time stamp 2022-10-11 09:50:47 is 551.939606877 s in the future tar: ./timers: time stamp 2022-10-11 09:50:55 is 559.938137344 s in the future tar: ./run_kselftest.sh: time stamp 2022-10-11 09:50:49 is 553.935226941 s in the future tar: ./cpu-hotplug: time stamp 2022-10-11 09:50:51 is 555.929454827 s in the future tar: ./pstore: time stamp 2022-10-11 09:50:54 is 558.914148319 s in the future tar: ./exec/load_address_16777216: time stamp 2022-10-11 09:50:32 is 533.88395652 s in the future tar: ./exec/execveat.denatured: time stamp 2022-10-11 09:50:32 is 533.878403443 s in the future tar: ./exec/execveat: time stamp 2022-10-11 09:50:32 is 533.870791056 s in the future tar: ./exec/recursion-depth: time stamp 2022-10-11 09:50:32 is 533.866440853 s in the future tar: ./exec/execveat.symlink: time stamp 2022-10-11 09:50:32 is 533.861128217 s in the future tar: ./exec/load_address_2097152: time stamp 2022-10-11 09:50:32 is 533.436768297 s in the future tar: ./exec/script: time stamp 2022-10-11 09:50:32 is 533.430482745 s in the future tar: ./exec/non-regular: time stamp 2022-10-11 09:50:32 is 533.419704084 s in the future tar: ./exec/load_address_4096: time stamp 2022-10-11 09:50:32 is 533.326013643 s in the future tar: ./exec/subdir: time stamp 2022-10-11 09:50:32 is 533.323784602 s in the future tar: ./exec: time stamp 2022-10-11 09:50:52 is 553.322540438 s in the future tar: ./size/get_size: time stamp 2022-10-11 09:50:46 is 547.317584827 s in the future tar: ./size: time stamp 2022-10-11 09:50:55 is 556.315350339 s in the future tar: ./mqueue/mq_perf_tests: time stamp 2022-10-11 09:50:39 is 540.306553166 s in the future tar: ./mqueue/mq_open_tests: time stamp 2022-10-11 09:50:39 is 540.299928292 s in the future tar: ./mqueue: time stamp 2022-10-11 09:50:53 is 554.297335866 s in the future tar: ./capabilities/validate_cap: time stamp 2022-10-11 09:50:32 is 533.290394273 s in the future tar: ./capabilities/test_execve: time stamp 2022-10-11 09:50:32 is 533.283766748 s in the future tar: ./capabilities: time stamp 2022-10-11 09:50:51 is 552.28278299 s in the future tar: ./clone3/clone3_set_tid: time stamp 2022-10-11 09:50:32 is 533.277087894 s in the future tar: ./clone3/clone3_clear_sighand: time stamp 2022-10-11 09:50:32 is 533.272692324 s in the future tar: ./clone3/clone3: time stamp 2022-10-11 09:50:32 is 533.268115795 s in the future tar: ./clone3/clone3_cap_checkpoint_restore: time stamp 2022-10-11 09:50:32 is 533.261974769 s in the future tar: ./clone3: time stamp 2022-10-11 09:50:51 is 552.260849474 s in the future tar: ./pidfd/pidfd_getfd_test: time stamp 2022-10-11 09:50:44 is 545.252076995 s in the future tar: ./pidfd/pidfd_test: time stamp 2022-10-11 09:50:44 is 545.246072174 s in the future tar: ./pidfd/pidfd_fdinfo_test: time stamp 2022-10-11 09:50:44 is 545.24071168 s in the future tar: ./pidfd/pidfd_wait: time stamp 2022-10-11 09:50:44 is 545.230951058 s in the future tar: ./pidfd/pidfd_poll_test: time stamp 2022-10-11 09:50:44 is 545.225950909 s in the future tar: ./pidfd/pidfd_setns_test: time stamp 2022-10-11 09:50:44 is 545.21503761 s in the future tar: ./pidfd/pidfd_open_test: time stamp 2022-10-11 09:50:44 is 545.209722875 s in the future tar: ./pidfd: time stamp 2022-10-11 09:50:54 is 555.207938972 s in the future tar: ./kselftest-list.txt: time stamp 2022-10-11 09:50:56 is 557.203836054 s in the future tar: ./ptrace/peeksiginfo: time stamp 2022-10-11 09:50:44 is 545.196579094 s in the future tar: ./ptrace/get_syscall_info: time stamp 2022-10-11 09:50:44 is 545.189257194 s in the future tar: ./ptrace/vmaccess: time stamp 2022-10-11 09:50:44 is 545.183490492 s in the future tar: ./ptrace: time stamp 2022-10-11 09:50:54 is 555.181826356 s in the future tar: ./kselftest/prefix.pl: time stamp 2022-10-11 09:50:49 is 550.177746697 s in the future tar: ./kselftest/runner.sh: time stamp 2022-10-11 09:50:49 is 550.17503308 s in the future tar: ./kselftest/module.sh: time stamp 2022-10-11 09:50:49 is 550.171848623 s in the future tar: ./kselftest: time stamp 2022-10-11 09:50:49 is 550.170555953 s in the future tar: ./tpm2: time stamp 2022-10-11 09:50:55 is 556.146910765 s in the future tar: .: time stamp 2022-10-11 09:50:56 is 557.143425905 s in the future skiplist: ======================================== breakpoints:breakpoint_test breakpoints:step_after_suspend_test ftrace:ftracetest net:rtnetlink.sh net:tls netfilter:bridge_brouter.sh netfilter:nft_flowtable.sh netfilter:nft_trans_stress.sh pidfd:pidfd_wait ======================================== [ 47.987680] 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 [ 48.150127] lkdtm: Performing direct entry BUG [ 48.155174] ------------[ cut here ]------------ [ 48.160354] kernel BUG at drivers/misc/lkdtm/bugs.c:76! [ 48.166217] invalid opcode: 0000 [#1] SMP PTI [ 48.171088] CPU: 1 PID: 723 Comm: cat Tainted: G W 5.10.145-cip17 #1 [ 48.179640] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 48.186447] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 48.190829] Code: 89 ff e8 2e b6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 fc 93 02 [ 48.211809] RSP: 0018:ffffaf22814f7e60 EFLAGS: 00010286 [ 48.217643] RAX: ffffffff840de890 RBX: 0000000000000001 RCX: 0000000000000000 [ 48.225611] RDX: 0000000000000000 RSI: ffff9f1cbac9bf70 RDI: ffffffff84d9ae90 [ 48.233581] RBP: ffffffff851e5df0 R08: 0000000000000001 R09: 0000000000000001 [ 48.241541] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 48.249509] R13: ffffaf22814f7f10 R14: ffffaf22814f7f10 R15: ffff9f1c44c51000 [ 48.257476] FS: 00007f7506bb1580(0000) GS:ffff9f1cbac80000(0000) knlGS:0000000000000000 [ 48.266515] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.272922] CR2: 00007f75069ba000 CR3: 0000000103370006 CR4: 00000000003706e0 [ 48.280882] Call Trace: [ 48.283608] direct_entry.cold+0x2c/0x38 [ 48.287988] full_proxy_write+0x53/0x80 [ 48.292276] vfs_write+0xe7/0x3a0 [ 48.295978] ksys_write+0x68/0xf0 [ 48.299676] do_syscall_64+0x30/0x40 [ 48.303669] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 48.309309] RIP: 0033:0x7f7506ac78f3 [ 48.313287] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 48.334269] RSP: 002b:00007ffef5eb9dd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 48.342726] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f7506ac78f3 [ 48.350697] RDX: 0000000000000004 RSI: 00007f75069ba000 RDI: 0000000000000001 [ 48.358657] RBP: 00007f75069ba000 R08: 00007f75069b9010 R09: 0000000000000000 [ 48.366625] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 48.374593] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 48.382565] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 48.409029] ---[ end trace 82f3067a6a326e46 ]--- [ 48.414190] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 48.418591] Code: 89 ff e8 2e b6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 fc 93 02 [ 48.439589] RSP: 0018:ffffaf22814f7e60 EFLAGS: 00010286 [ 48.445434] RAX: ffffffff840de890 RBX: 0000000000000001 RCX: 0000000000000000 [ 48.453408] RDX: 0000000000000000 RSI: ffff9f1cbac9bf70 RDI: ffffffff84d9ae90 [ 48.461385] RBP: ffffffff851e5df0 R08: 0000000000000001 R09: 0000000000000001 [ 48.469356] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 48.477328] R13: ffffaf22814f7f10 R14: ffffaf22814f7f10 R15: ffff9f1c44c51000 [ 48.485315] FS: 00007f7506bb1580(0000) GS:ffff9f1cbac80000(0000) knlGS:0000000000000000 [ 48.494368] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.500789] CR2: 00007f75069ba000 CR3: 0000000103370006 CR4: 00000000003706e0 # Segmentation fault # [ 48.150127] lkdtm: Performing direct entry BUG # [ 48.155174] ------------[ cut here ]------------ # [ 48.160354] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 48.166217] invalid opcode: 0000 [#1] SMP PTI # [ 48.171088] CPU: 1 PID: 723 Comm: cat Tainted: G W 5.10.145-cip17 #1 # [ 48.179640] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 48.186447] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 48.190829] Code: 89 ff e8 2e b6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 fc 93 0[ 48.582887] lkdtm: Performing direct entry WARNING 2 # [ 48.211809] RSP: 0018:ffffaf22814f7e60 EFLAGS: 00010286[ 48.589649] ------------[ cut here ]------------ [ 48.601030] WARNING: CPU: 2 PID: 759 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 [ 48.610467] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 48.217643] RAX: ffffffff840de890 RBX: 0000000000000001 RC[ 48.636926] CPU: 2 PID: 759 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 48.651693] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 48.658502] RIP: 0010:lkdtm_WARNING+0x13/0x20 [ 48.663390] Code: c0 f4 ff ff ff eb c9 0f 1f 44 00 00 0f 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 fc 93 02 01 75 05 c3 cc cc cc cc <0f> 0b c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 61 fc [ 48.684381] RSP: 0018:ffffaf228158fe60 EFLAGS: 00010202 [ 48.690216] RAX: ffffffff840de8a0 RBX: 0000000000000002 RCX: 0000000000000000 X: 0000000000000000 # [ 48.225611] RDX: 0000000000000000 RSI:[ 48.698192] RDX: 0000000000000000 RSI: ffff9f1cbad1bf70 RDI: ffffffff84d9aea0 [ 48.712382] RBP: ffffffff8518a82f R08: 0000000000000000 R09: 0000000000000000 [ 48.720387] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 [ 48.728360] R13: ffffaf228158ff10 R14: ffffaf228158ff10 R15: ffff9f1c44073000 [ 48.736334] FS: 00007f7f8f100580(0000) GS:ffff9f1cbad00000(0000) knlGS:0000000000000000 [ 48.745398] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 ffff9f1cbac9bf70 RDI: ffffffff84d9ae90 # [ 48.233581] RBP: f[ 48.751827] CR2: 00007f7f8ef09000 CR3: 0000000103fd4003 CR4: 00000000003706e0 [ 48.766019] Call Trace: [ 48.768781] direct_entry.cold+0x2c/0x38 [ 48.773202] full_proxy_write+0x53/0x80 fffffff851e5df0 R08: 0000000000000001 R09: 0000000000000001 # [[ 48.777496] vfs_write+0xe7/0x3a0 [ 48.787408] ksys_write+0x68/0xf0 [ 48.791110] do_syscall_64+0x30/0x40 [ 48.795125] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 48.800769] RIP: 0033:0x7f7f8f0168f3 [ 48.804760] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 48.825748] RSP: 002b:00007ffc19564868 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 48.834208] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f7f8f0168f3 [ 48.842183] RDX: 0000000000000008 RSI: 00007f7f8ef09000 RDI: 0000000000000001 [ 48.850154] RBP: 00007f7f8ef09000 R08: 00007f7f8ef08010 R09: 0000000000000000 [ 48.858128] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 48.866100] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 48.874076] irq event stamp: 0 48.241541] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0[ 48.877511] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 48.890727] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 48.899868] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 48.909007] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 48.916054] ---[ end trace 82f3067a6a326e47 ]--- 000000000000004 # [ 48.249509] R13: ffffaf22814f7f10 R14: ffffaf22814f7f10 R15: ffff9f1c44c51000 # [ 48.257476] FS: 00007f7506bb1580(0000) GS:ffff9f1cbac80000(0000) knlGS:0000000000000000 # [ 48.266515] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 48.272922] CR2: 00007f75069ba000 CR3: 0000000103370006 CR4: 00000000003706e0 # [ 48.280882] Call Trace: # [ 48.283608] direct_entry.cold+0x2c/0x38 # [ 48.287988] full_proxy_write+0x53/0x80 # [ 48.292276] vfs_write+0xe7/0x3a0 # [ 48.295978] ksys_write+0x68/0xf0 # [ 48.299676] do_syscall_64+0x30/0x40 # [ 48.303669] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 48.309309] RIP: 0033:0x7f7506ac78f3 # [ 48.313287] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff [ 48.993169] lkdtm: Performing direct entry WARNING_MESSAGE [ 49.001978] ------------[ cut here ]------------ ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 0[ 49.007129] Warning message trigger count: 2 0 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec [ 49.018133] WARNING: CPU: 1 PID: 794 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 28 48 89 54 24 18 # [ 48.334269] RSP: 002b:00007ffef5eb9dd8 E[ 49.034539] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify FLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 48.342726] RAX[ 49.067176] CPU: 1 PID: 794 Comm: cat Tainted: G D W 5.10.145-cip17 #1 : ffffffffffffffda RBX: 0000000000000004 RCX: 00007f7506ac78f3 [ 49.081974] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 48.350697] RDX: 0000000000000004 RSI: 00007f75069ba000 RDI[ 49.094987] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 : 0000000000000001 # [ 48.358657] RBP: 00007f75069ba000 R08: [ 49.106836] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 61 fc 93 02 48 c7 c7 90 ad 18 85 8d 70 01 89 35 51 fc 93 02 e8 2b 1f 66 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 00007f75069b9010 R09: 0000000000000000 # [ 48.366625] R10: ff[ 49.134042] RSP: 0018:ffffaf2281617e60 EFLAGS: 00010286 fffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ [ 49.146093] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 48.374593] R13: 0000000000000001 R14: 0000000000020000 R15: 00[ 49.160281] RDX: ffff9f1cbacac660 RSI: ffff9f1cbac9bf70 RDI: ffff9f1cbac9bf70 00000000020000 # [ 48.382565] Modules linked in: fuse ip_tabl[ 49.174465] RBP: ffffffff8518a837 R08: 0000000000000000 R09: 0000000000000000 es cros_ec_sensors cros_ec_sensors_core industrialio_triggered_b[ 49.188653] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 uffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_[ 49.202847] R13: ffffaf2281617f10 R14: ffffaf2281617f10 R15: ffff9f1c43ddb000 ec_debugfs cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_therm[ 49.217039] FS: 00007f1e3b28a580(0000) GS:ffff9f1cbac80000(0000) knlGS:0000000000000000 al cros_ec_dev cros_usbpd_notify # [ 48.409029] ---[ end trac[ 49.232291] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 e 82f3067a6a326e46 ]--- # [ 48.414190] RIP: 0010:lkdtm_BUG+0x[ 49.244922] CR2: 00007f1e3b093000 CR3: 0000000104028006 CR4: 00000000003706e0 5/0x10 # [ 48.418591] Code: 89 ff e8 2e b6 a3 ff 48 c7 c0 ea [ 49.259110] Call Trace: ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 f[ 49.268057] direct_entry.cold+0x2c/0x38 f ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 [ 49.278652] full_proxy_write+0x53/0x80 0f 1f 44 00 00 83 05 80 fc 93 02 # [ 48.439589] RSP: 0018:fff[ 49.289148] vfs_write+0xe7/0x3a0 faf22814f7e60 EFLAGS: 00010286 # [ 48.445434] RAX: ffffffff84[ 49.299063] ksys_write+0x68/0xf0 0de890 RBX: 0000000000000001 RCX: 0000000000000000 # [ 48.453[ 49.308988] do_syscall_64+0x30/0x40 408] RDX: 0000000000000000 RSI: ffff9f1cbac9bf70 RDI: ffffffff84[ 49.319191] entry_SYSCALL_64_after_hwframe+0x61/0xc6 d9ae90 # [ 48.461385] RBP: ffffffff851e5df0 R08: 000000000000[ 49.331044] RIP: 0033:0x7f1e3b1a08f3 0001 R09: 0000000000000001 # [ 48.469356] R10: 00000000ffffe0[ 49.341248] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 00 R11: 3fffffffffffffff R12: 0000000000000004 # [ 48.477328][ 49.368443] RSP: 002b:00007fff66d11038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 R13: ffffaf22814f7f10 R14: ffffaf22814f7f10 R15: ffff9f1c44c510[ 49.383116] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f1e3b1a08f3 00 # [ 48.485315] FS: 00007f7506bb1580(0000) GS:ffff9f1cbac8[ 49.397306] RDX: 0000000000000010 RSI: 00007f1e3b093000 RDI: 0000000000000001 0000(0000) knlGS:0000000000000000 # [ 48.494368] CS: 0010 DS[ 49.411492] RBP: 00007f1e3b093000 R08: 00007f1e3b092010 R09: 0000000000000000 : 0000 ES: 0000 CR0: 0000000080050033 # [ 48.500789] CR2: 000[ 49.425676] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 07f75069ba000 CR3: 0000000103370006 CR4: 00000000003706e0 # BUG[ 49.439863] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 : saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # self[ 49.454074] irq event stamp: 0 tests: lkdtm: WARNING.sh # [ 48.582887] lkdtm: Performing dir[ 49.463674] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ect entry WARNING # [ 48.589649] ------------[ cut here ]----[ 49.476889] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 -------- # [ 48.601030] WARNING: CPU: 2 PID: 759 at drivers/m[ 49.492242] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 isc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 # [ 48.610467] Mo[ 49.507592] softirqs last disabled at (0): [<0000000000000000>] 0x0 dules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_[ 49.520812] ---[ end trace 82f3067a6a326e48 ]--- core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 48.636926] CPU: 2 PID: 759 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 48.651693] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 48.658502] RIP: 0010:lkdtm_WARNING+0x13/0x20 # [ 48.663390] Code: c0 f4 ff ff ff eb c9 0f 1f 44 00 00 0f 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 fc 93 02 01 75 05 c3 cc cc cc cc <0f> 0b c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 61 fc # [ 48.684381] RSP: 0018:ffffaf228158fe60 EFLAGS: 00010202 # [ 48.690216] RAX: ffffffff840de8a0 RBX: 0000000000000002 RCX: 0000000000000000[ 49.605418] lkdtm: Performing direct entry EXCEPTION # [ 48.698192] RDX: 0000000000000000 RSI: ffff9f1cbad1bf70 RD[ 49.612311] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 49.626292] #PF: supervisor write access in kernel mode [ 49.632124] #PF: error_code(0x0002) - not-present page [ 49.637858] PGD 0 P4D 0 [ 49.640683] Oops: 0002 [#2] SMP PTI [ 49.644574] CPU: 1 PID: 826 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 49.653125] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 49.659932] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 I: ffffffff84d9aea0 # [ 48.712382] RBP: ffffffff8518a82f R08:[ 49.664892] Code: 48 c7 c7 90 ad 18 85 8d 70 01 89 35 51 fc 93 02 e8 2b 1f 66 00 0f 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 04 25 00 00 00 00 00 00 00 00 c3 cc cc cc cc 66 66 2e 0f 1f 84 [ 49.692081] RSP: 0018:ffffaf228168fe60 EFLAGS: 00010286 [ 49.697911] RAX: ffffffff840de8f0 RBX: 0000000000000004 RCX: 0000000000000000 [ 49.705877] RDX: 0000000000000000 RSI: ffff9f1cbac9bf70 RDI: ffffffff84d9aec0 [ 49.713845] RBP: ffffffff850bfd07 R08: 0000000000000000 R09: 0000000000000000 [ 49.721813] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 49.729781] R13: ffffaf228168ff10 R14: ffffaf228168ff10 R15: ffff9f1c441d7000 [ 49.737748] FS: 00007f6525903580(0000) GS:ffff9f1cbac80000(0000) knlGS:0000000000000000 [ 49.746785] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.753197] CR2: 0000000000000000 CR3: 0000000103508001 CR4: 00000000003706e0 [ 49.761163] Call Trace: [ 49.763889] direct_entry.cold+0x2c/0x38 0000000000000000 R09: 0000000000000000 # [ 48.720387] R10: 0[ 49.768269] full_proxy_write+0x53/0x80 [ 49.778754] vfs_write+0xe7/0x3a0 0000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 # [[ 49.782452] ksys_write+0x68/0xf0 [ 49.792359] do_syscall_64+0x30/0x40 48.728360] R13: ffffaf228158ff10 R14: ffffaf228158ff10 R15: f[ 49.796347] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 49.808202] RIP: 0033:0x7f65258198f3 fff9f1c44073000 # [ 48.736334] FS: 00007f7f8f100580(0000) GS[ 49.812194] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 49.839387] RSP: 002b:00007fff57f27208 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 49.847842] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f65258198f3 [ 49.855807] RDX: 000000000000000a RSI: 00007f652570c000 RDI: 0000000000000001 [ 49.863773] RBP: 00007f652570c000 R08: 00007f652570b010 R09: 0000000000000000 [ 49.871740] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 49.879707] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 :ffff9f1cbad00000(0000) knlGS:0000000000000000 # [ 48.745398][ 49.887679] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 49.920309] CR2: 0000000000000000 [ 49.924005] ---[ end trace 82f3067a6a326e49 ]--- [ 49.929158] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 49.933532] Code: 89 ff e8 2e b6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 fc 93 02 [ 49.954510] RSP: 0018:ffffaf22814f7e60 EFLAGS: 00010286 [ 49.960345] RAX: ffffffff840de890 RBX: 0000000000000001 RCX: 0000000000000000 [ 49.968312] RDX: 0000000000000000 RSI: ffff9f1cbac9bf70 RDI: ffffffff84d9ae90 [ 49.976278] RBP: ffffffff851e5df0 R08: 0000000000000001 R09: 0000000000000001 [ 49.984246] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 49.992210] R13: ffffaf22814f7f10 R14: ffffaf22814f7f10 R15: ffff9f1c44c51000 [ 50.000177] FS: 00007f6525903580(0000) GS:ffff9f1cbac80000(0000) knlGS:0000000000000000 [ 50.009213] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.015628] CR2: 0000000000000000 CR3: 0000000103508001 CR4: 00000000003706e0 [ 50.023602] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 50.033502] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 826, name: cat [ 50.041847] INFO: lockdep is turned off. [ 50.046221] irq event stamp: 0 [ 50.049626] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 50.056616] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 50.065750] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 50.074882] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 50.081877] CPU: 1 PID: 826 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 50.090427] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 50.097227] Call Trace: [ 50.099969] dump_stack+0x77/0x9b CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 48.751[ 50.103672] ___might_sleep.cold+0xa6/0xb6 [ 50.114453] exit_signals+0x1c/0x2e0 [ 50.118440] do_exit+0xd5/0xb00 [ 50.121942] ? ksys_write+0x68/0xf0 827] CR2: 00007f7f8ef09000 CR3: 0000000103fd4003 CR4: 0000000000[ 50.125834] rewind_stack_do_exit+0x17/0x20 [ 50.136710] RIP: 0033:0x7f65258198f3 [ 50.140696] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 50.161678] RSP: 002b:00007fff57f27208 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 50.170134] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f65258198f3 [ 50.178105] RDX: 000000000000000a RSI: 00007f652570c000 RDI: 0000000000000001 [ 50.186071] RBP: 00007f652570c000 R08: 00007f652570b010 R09: 0000000000000000 [ 50.194040] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 50.202006] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 3706e0 # [ 48.766019] Call Trace: # [ 48.768781] direct_entry.cold+0x2c/0x38 # [ 48.773202] full_proxy_write+0x53/0x80 # [ 48.777496] vfs_write+0xe7/0x3a0 # [ 48.787408] ksys_write+0x68/0xf0 # [ 48.791110] do_syscall_64+0x30/0x40 # [ 48.795125] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 48.800769] RIP: 0033:0x7f7f8f0168f3 # [ 48.804760] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 48.825748] RSP: 002b:00007ffc19564868 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 48.834208] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f7f8f0168f3 # [ 48.842183] RDX: 0000000000000008 RSI: 00007f7f8ef09000 RDI: 0000000000000001 # [ 48.850154] RBP: 00007f7f8ef09000 R08: 00007f7f8ef08010 R09: 0000000000000000 # [ 48.858128] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 48.866100] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 48.874076] irq event stamp: 0 # [ 48.877511] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 48.890727] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 48.899868] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 48.909007] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 48.916054] ---[ end trace 82f3067a6a326e47 ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ 48.993169] lkdtm: Performing direct entry WARNING_MESSAGE # [ 49.001978] ------------[ cut here ]------------ # [ 49.007129] Warning message trigger count: 2 # [ 49.018133] WARNING: CPU: 1 PID: 794 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 49.034539] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 50.419262] lkdtm: Performing direct entry CORRUPT_LIST_ADD [ 50.427524] lkdtm: attempting good list addition [ 50.432694] lkdtm: attempting corrupted list addition [ 50.438346] lkdtm: list_add() corruption not detected! [ 49.067176] CPU: 1 PID: 794 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 49.081974] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 49.094987] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 49.106836] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 61 fc 93 02 48 c7 c7 90 ad 18 85 8d 70 01 89 35 51 fc 93 02 e8 2b 1f 66 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 # [ 49.134042] RSP: 0018:ffffaf2281617e60 EFLAGS: 00010286 # [ 49.146093] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 # [ 49.160281] RDX: ffff9f1cbacac660 RSI: ffff9f1cbac9bf70 RDI: ffff9f1cbac9bf70 # [ 49.174465] RBP: ffffffff8518a837 R08: 0000000000000000 R09: 0000000000000000 # [ 49.188653][ 50.515441] lkdtm: Performing direct entry CORRUPT_LIST_DEL [ 50.524930] lkdtm: attempting good list removal [ 50.530006] lkdtm: attempting corrupted list removal R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000000000[ 50.535566] lkdtm: list_del() corruption not detected! 10 # [ 49.202847] R13: ffffaf2281617f10 R14: ffffaf2281617f10 R15: ffff9f1c43ddb000 # [ 49.217039] FS: 00007f1e3b28a580(0000) GS:ffff9f1cbac80000(0000) knlGS:0000000000000000 # [ 49.232291] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 49.244922] CR2: 00007f1e3b093000 CR3: 0000000104028006 CR4: 00000000003706e0 # [ 49.259110] Call Trace: # [ 49.268057] direct_entry.cold+0x2c/0x38 # [ 49.278652] full_proxy_write+0x53/0x80 # [ 49.289148] vfs_write+0xe7/0x3a0 # [ 49.299063] ksys_write+0x68/0xf0 # [ 49.308988] do_syscall_64+0x30/0x40 # [ 49.319191] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 49.331044] RIP: 0033:0x7f1e3b1a08f3 # [ 49.341248] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 49.368443] RSP: 002b:00007fff66d11038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 49.383116] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f1e3b1a08f3 # [ 49.397306] RDX: 0000000000000010 RSI: 00007f1e3b093000 RDI: 0000000000000001 # [ 49.411492] RBP: 00007f1e3b093000 R08: 00007f1e3b092010 R09: 0000000000000000 # [ 49.425676] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 49.439863] R13: 0000000000000001 R14: 0000000000020000 R15: 000000000002000[ 50.683266] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING [ 50.691269] lkdtm: attempting bad read from page below current stack [ 50.698404] BUG: stack guard page was hit at 00000000a9f46143 (stack is 00000000017c1811..00000000dc09ba05) 0[ # [ 49.454074] irq event stamp: 0 # [ 49.463674] hardirq 50.709302] kernel stack overflow (page fault): 0000 [#3] SMP PTI [ 50.722321] CPU: 2 PID: 1051 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 50.730978] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 50.737785] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a [ 50.744298] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 30 b1 18 85 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 cf a0 fd ff 48 c7 c7 70 b1 18 85 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 b5 a0 fd ff 0f 1f 44 [ 50.765273] RSP: 0018:ffffaf2281a17e50 EFLAGS: 00010246 [ 50.771105] RAX: 0000000000000038 RBX: ffffaf2281a14000 RCX: 0000000000000000 [ 50.779062] RDX: 0000000000000000 RSI: ffff9f1cbad1bf70 RDI: ffffffff8518b170 [ 50.787029] RBP: ffffffff8518a89a R08: 0000000000000000 R09: 0000000000000000 [ 50.794997] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 [ 50.802979] R13: ffffaf2281a17f10 R14: ffffaf2281a17f10 R15: ffff9f1c45d95000 [ 50.810948] FS: 00007fc4eb174580(0000) GS:ffff9f1cbad00000(0000) knlGS:0000000000000000 [ 50.820026] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.826439] CR2: ffffaf2281a13fff CR3: 0000000103c08006 CR4: 00000000003706e0 [ 50.834408] Call Trace: [ 50.837133] ? lkdtm_CORRUPT_LIST_DEL+0xe0/0xe0 [ 50.842188] direct_entry.cold+0x2c/0x38 [ 50.846568] full_proxy_write+0x53/0x80 [ 50.850848] vfs_write+0xe7/0x3a0 [ 50.854544] ksys_write+0x68/0xf0 [ 50.858233] do_syscall_64+0x30/0x40 [ 50.862221] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 50.867850] RIP: 0033:0x7fc4eb08a8f3 [ 50.871834] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 50.892811] RSP: 002b:00007ffed303be08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 50.901254] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fc4eb08a8f3 [ 50.909219] RDX: 0000000000000019 RSI: 00007fc4eaf7d000 RDI: 0000000000000001 [ 50.917187] RBP: 00007fc4eaf7d000 R08: 00007fc4eaf7c010 R09: 0000000000000000 [ 50.925151] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 50.933117] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 50.941087] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify s last enabled at (0): [<0000000000000000>] 0x0 # [ 49.47688[ 50.967541] ---[ end trace 82f3067a6a326e4a ]--- [ 50.978904] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 50.983278] Code: 89 ff e8 2e b6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 fc 93 02 [ 51.004255] RSP: 0018:ffffaf22814f7e60 EFLAGS: 00010286 [ 51.010087] RAX: ffffffff840de890 RBX: 0000000000000001 RCX: 0000000000000000 [ 51.018055] RDX: 0000000000000000 RSI: ffff9f1cbac9bf70 RDI: ffffffff84d9ae90 [ 51.026019] RBP: ffffffff851e5df0 R08: 0000000000000001 R09: 0000000000000001 [ 51.033985] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 51.041953] R13: ffffaf22814f7f10 R14: ffffaf22814f7f10 R15: ffff9f1c44c51000 [ 51.049949] FS: 00007fc4eb174580(0000) GS:ffff9f1cbad00000(0000) knlGS:0000000000000000 [ 51.059005] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.065438] CR2: ffffaf2281a13fff CR3: 0000000103c08006 CR4: 00000000003706e0 [ 51.073406] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 51.083307] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1051, name: cat [ 51.091759] INFO: lockdep is turned off. [ 51.096131] irq event stamp: 0 [ 51.099534] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 51.106534] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 51.115667] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 51.124797] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 51.131798] CPU: 2 PID: 1051 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 51.140437] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 51.147237] Call Trace: [ 51.149979] dump_stack+0x77/0x9b [ 51.153677] ___might_sleep.cold+0xa6/0xb6 [ 51.158248] exit_signals+0x1c/0x2e0 [ 51.162226] do_exit+0xd5/0xb00 [ 51.165729] ? ksys_write+0x68/0xf0 [ 51.169614] rewind_stack_do_exit+0x17/0x20 [ 51.174280] RIP: 0033:0x7fc4eb08a8f3 [ 51.178267] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 51.199235] RSP: 002b:00007ffed303be08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 51.207687] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fc4eb08a8f3 [ 51.215654] RDX: 0000000000000019 RSI: 00007fc4eaf7d000 RDI: 0000000000000001 [ 51.223619] RBP: 00007fc4eaf7d000 R08: 00007fc4eaf7c010 R09: 0000000000000000 [ 51.231587] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 51.239554] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 9] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 49.492242] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 49.507592] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 49.520812] ---[ end trace 82f3067a6a326e48 ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCEPTION.sh # Killed # [ 49.605418] lkdtm: Performing direct entry EXCEPTION # [ 49.612311] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 49.626292] #PF: supervisor write access in kernel mode # [ 49.632124] #PF: error_code(0x0002) - not-present page # [ 49.637858] PGD 0 P4D 0 # [ 49.640683] Oops: 0002 [#2] SMP PTI # [ 49.644574] CPU: 1 PID: 826 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 49.653125] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 49.659932] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 # [ 49.664892] Code: 48 c7 c7 90 ad 18 85 8d 70 01 89 35 51 fc 93 02 e8 2b 1f 66 00 0f 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 04 25 00 00 00 00 00 00 00 00 c3 cc cc cc cc 66 66 2e 0f 1f 84 # [ 49.692081] RSP: 0018:ffffaf228168fe60 EFLAGS: 00010286 # [ 49.697911] RAX: ffffffff840de8f0 RBX: 0000000000000004 RCX: 000000[ 51.375431] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING 0000000000 # [ 49.705877] RDX: 0000000000000000 RSI: ffff9f1c[ 51.385205] lkdtm: attempting bad read from page above current stack bac9bf70 RDI: ffffffff84d9aec0 # [ 49.713845] RBP: ffffffff85[ 51.398543] BUG: stack guard page was hit at 0000000000dae5f8 (stack is 000000002b1f491f..00000000240435f9) [ 51.415602] kernel stack overflow (page fault): 0000 [#4] SMP PTI [ 51.422405] CPU: 0 PID: 1084 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 51.431056] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 51.437861] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d [ 51.444476] Code: a0 fd ff 0f 1f 44 00 00 53 48 c7 c7 a8 b1 18 85 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 95 a0 fd ff 48 c7 c7 e8 b1 18 85 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 78 a0 fd ff [ 51.465458] RSP: 0018:ffffaf2281a67e50 EFLAGS: 00010246 [ 51.471291] RAX: 0000000000000038 RBX: ffffaf2281a64000 RCX: 0000000000000000 [ 51.479261] RDX: 0000000000000000 RSI: ffff9f1cbac1bf70 RDI: ffffffff8518b1e8 [ 51.487222] RBP: ffffffff8518a8b3 R08: 0000000000000000 R09: 0000000000000000 [ 51.495188] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a [ 51.503155] R13: ffffaf2281a67f10 R14: ffffaf2281a67f10 R15: ffff9f1c455d4000 [ 51.511120] FS: 00007f568c2fd580(0000) GS:ffff9f1cbac00000(0000) knlGS:0000000000000000 [ 51.520154] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.526567] CR2: ffffaf2281a68000 CR3: 0000000103450004 CR4: 00000000003706f0 [ 51.534540] Call Trace: [ 51.537268] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a [ 51.543102] direct_entry.cold+0x2c/0x38 [ 51.547479] full_proxy_write+0x53/0x80 [ 51.551765] vfs_write+0xe7/0x3a0 [ 51.555469] ksys_write+0x68/0xf0 [ 51.559169] do_syscall_64+0x30/0x40 [ 51.563164] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 51.568797] RIP: 0033:0x7f568c2138f3 [ 51.572787] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 51.593758] RSP: 002b:00007ffdccef7f58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 51.602203] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f568c2138f3 [ 51.610173] RDX: 000000000000001a RSI: 00007f568c106000 RDI: 0000000000000001 [ 51.618141] RBP: 00007f568c106000 R08: 00007f568c105010 R09: 0000000000000000 [ 51.626109] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 51.634080] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 51.642053] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 51.668491] ---[ end trace 82f3067a6a326e4b ]--- [ 51.673637] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 51.678014] Code: 89 ff e8 2e b6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 fc 93 02 [ 51.698988] RSP: 0018:ffffaf22814f7e60 EFLAGS: 00010286 [ 51.704814] RAX: ffffffff840de890 RBX: 0000000000000001 RCX: 0000000000000000 [ 51.712784] RDX: 0000000000000000 RSI: ffff9f1cbac9bf70 RDI: ffffffff84d9ae90 [ 51.720751] RBP: ffffffff851e5df0 R08: 0000000000000001 R09: 0000000000000001 [ 51.728719] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 51.736688] R13: ffffaf22814f7f10 R14: ffffaf22814f7f10 R15: ffff9f1c44c51000 [ 51.744657] FS: 00007f568c2fd580(0000) GS:ffff9f1cbac00000(0000) knlGS:0000000000000000 [ 51.753697] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.760112] CR2: ffffaf2281a68000 CR3: 0000000103450004 CR4: 00000000003706f0 0bfd07 R08: 0000000000000000 R09: 0000000000000000 # [ 49.721813] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 49.729781] R13: ffffaf228168ff10 R14: ffffaf228168ff10 R15: ffff9f1c441d7000 # [ 49.737748] FS: 00007f6525903580(0000) GS:ffff9f1cbac80000(0000) knlGS:0000000000000000 # [ 49.746785] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 49.753197] CR2: 0000000000000000 CR3: 0000000103508001 CR4: 00000000003706e0 # [ 49.761163] Call Trace: # [ 49.763889] direct_entry.cold+0x2c/0x38 # [ 49.768269] full_proxy_write+0x53/0x80 # [ 49.778754] vfs_write+0xe7/0x3a0 # [ 49.782452] ksys_write+0x68/0xf0 # [ 49.792359] do_syscall_64+0x30/0x40 # [ 49.796347] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 49.808202] RIP: 0033:0x7f65258198f3 # [ 49.812194] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 49.839387] RSP: 002b:00007fff57f27208 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 49.847842] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f65258198f3 # [ 49.[ 51.880191] lkdtm: Performing direct entry UNSET_SMEP [ 51.891834] lkdtm: trying to clear SMEP normally [ 51.897016] ------------[ cut here ]------------ [ 51.902204] pinned CR4 bits changed: 0x100000!? [ 51.907268] WARNING: CPU: 2 PID: 1120 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60 [ 51.917507] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 855807] RDX: 000000000000000a RSI: 00007f652570c000 RDI: 0000000[ 51.943961] CPU: 2 PID: 1120 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 51.958815] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 51.965627] RIP: 0010:native_write_cr4+0x45/0x60 [ 51.970785] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d 41 a3 e3 01 00 75 f2 48 c7 c7 48 9d 0c 85 c6 05 31 a3 e3 01 01 e8 c6 c0 e7 00 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 [ 51.991772] RSP: 0018:ffffaf2281b07e48 EFLAGS: 00010286 [ 51.997642] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 0000000000000000 [ 52.005617] RDX: ffff9f1cbad2c660 RSI: ffff9f1cbad1bf70 RDI: ffff9f1cbad1bf70 [ 52.013626] RBP: ffffffff8518a8cd R08: 0000000000000000 R09: 0000000000000000 [ 52.021602] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b [ 52.029575] R13: ffffaf2281b07f10 R14: ffffaf2281b07f10 R15: ffff9f1c45706000 [ 52.037551] FS: 00007fef7914a580(0000) GS:ffff9f1cbad00000(0000) knlGS:0000000000000000 [ 52.046594] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.053027] CR2: 00007fef78f53000 CR3: 00000001055ee005 CR4: 00000000003706e0 [ 52.061016] Call Trace: [ 52.063780] lkdtm_UNSET_SMEP.cold+0x1d/0x103 000000001 # [ 49.863773] RBP: 00007f652570c000 R08: 00007f652[ 52.068673] direct_entry.cold+0x2c/0x38 [ 52.079279] full_proxy_write+0x53/0x80 570b010 R09: 0000000000000000 # [ 49.871740] R10: fffffffffff[ 52.083574] vfs_write+0xe7/0x3a0 [ 52.093480] ksys_write+0x68/0xf0 [ 52.097232] do_syscall_64+0x30/0x40 ffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 49.8797[ 52.101234] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 52.113086] RIP: 0033:0x7fef790608f3 [ 52.117076] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 52.138065] RSP: 002b:00007fffa227f6d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 52.146521] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007fef790608f3 [ 52.154497] RDX: 000000000000000b RSI: 00007fef78f53000 RDI: 0000000000000001 07] R13: 0000000000000001 R14: 0000000000020000 R15: 00000000000[ 52.162469] RBP: 00007fef78f53000 R08: 00007fef78f52010 R09: 0000000000000000 20000 # [ 49.887679] Modules linked in: fuse ip_tables cros_e[ 52.176656] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 52.190849] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 52.198845] irq event stamp: 0 c_sensors cros_ec_sensors_core industrialio_triggered_buffer kfi[ 52.202265] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 52.215478] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 52.224662] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 fo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_debugf[ 52.233810] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 52.247026] ---[ end trace 82f3067a6a326e4c ]--- [ 52.252212] lkdtm: ok: SMEP did not get cleared [ 52.257272] lkdtm: trying to clear SMEP with call gadget [ 52.263206] lkdtm: ok: SMEP removal was reverted s cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 49.920309] CR2: 0000000000000000 # [ 49.924005] ---[ end trace 82f3067a6a326e49 ]--- # [ 49.929158] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 49.933532] Code: 89 ff e8 2e b6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 fc 93 02 # [ 49.954510] RSP: 0018:ffffaf22814f7e60 EFLAGS: 00010286 # [ 49.960345] RAX: ffffffff840de890 RBX: 0000000000000001 RCX: 0000000000000000 # [ 49.968312] RDX: 0000000000000000 RSI: ffff9f1cbac9bf70 RDI: ffffffff84d9ae90 # [ 49.976278] RBP: ffffffff851e5df0 R08: 0000000000000001 R09: 0000000000000001 # [ 49.984246] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000[ 52.348840] lkdtm: Performing direct entry DOUBLE_FAULT 0000000000004 # [ 49.992210] R13: ffffaf22814f7f10 R14: ffffa[ 52.355056] lkdtm: XFAIL: this test is ia32-only f22814f7f10 R15: ffff9f1c44c51000 # [ 50.000177] FS: 00007f6525903580(0000) GS:ffff9f1cbac80000(0000) knlGS:0000000000000000 # [ 50.009213] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 50.015628] CR2: 0000000000000000 CR3: 0000000103508001 CR4: 00000000003706e0 # [ 50.023602] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 50.033502] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 826, name: cat # [ 50.041847] INFO: lockdep is turned off. # [ 50.046221] irq event stamp: 0 # [ 50.049626] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 50.056616] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 50.065750] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 50[ 52.441626] lkdtm: Performing direct entry CORRUPT_PAC .074882] softirqs last disabled at (0): [<0000000000000000>] 0x0[ 52.452982] lkdtm: XFAIL: this test is arm64-only # [ 50.081877] CPU: 1 PID: 826 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 50.090427] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 50.097227] Call Trace: # [ 50.099969] dump_stack+0x77/0x9b # [ 50.103672] ___might_sleep.cold+0xa6/0xb6 # [ 50.114453] exit_signals+0x1c/0x2e0 # [ 50.118440] do_exit+0xd5/0xb00 # [ 50.121942] ? ksys_write+0x68/0xf0 # [ 50.125834] rewind_stack_do_exit+0x17/0x20 # [ 50.136710] RIP: 0033:0x7f65258198f3 # [ 50.140696] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 50.161678] RSP: 002b:00007fff57f27208 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 50.170134] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f65258198f3 # [ 50.178105] RDX: 000000000000000a RSI: 00007f652570c000 RDI: 0000000000000001 # [ 50.186071] RBP: 00007f652570c000 R08: 00007f652570b010 R09: 0000000000000000 # [ 50.194040] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 50.202006] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXCEPTION: saw 'call trace:': ok ok 5 selftests: lk[ 52.585165] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE dtm: EXCEPTION.sh # selftests: lkdtm: LOOP.sh # Skipping LOOP:[ 52.596004] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS 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 # [ 50.419262] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 50.427524] lkdtm: attempting good list addition # [ 50.432694] lkdtm: attempting corrupted list addition # [ 50.438346] 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 # [ 50.515441] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 50.524930] lkdtm: attempting good list removal # [ 50.530006] lkdtm: attempting corrupted list removal # [ 50.535566] lkdtm: list_del() corruption not detected! # CORRUPT_LIST_DEL: missing 'list_del corruption': [FAIL] not ok 11 selftests: lkdtm: CORRUPT_LIST_DEL.sh # exit=1 # selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh # Segmentation fault # [ 50.683266] lkdtm: Perf[ 52.740452] lkdtm: Performing direct entry READ_AFTER_FREE [ 52.752655] lkdtm: Value in memory before free: 12345678 [ 52.758645] lkdtm: Attempting bad read from freed memory orming direct entry STACK_GUARD_PAGE_LEADING # [ 50.691269] l[ 52.764589] lkdtm: Memory was not poisoned kdtm: attempting bad read from page below current stack # [ 50.698404] BUG: stack guard page was hit at 00000000a9f46143 (stack is 00000000017c1811..00000000dc09ba05) # [ 50.709302] kernel stack overflow (page fault): 0000 [#3] SMP PTI # [ 50.722321] CPU: 2 PID: 1051 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 50.730978] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 50.737785] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a # [ 50.744298] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 30 b1 18 85 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 cf a0 fd ff 48 c7 c7 70 b1 18 85 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 b5 a0 fd ff 0f 1f 44 # [ 50.765273] RSP: 0018:ffffaf2281a17e50 EFLAGS: 00010246 # [ 50.771105] RAX: 0000000000000038 RBX: ffffaf2281a14000 RCX: 0000000000000000 # [ 50.779062] RDX: 0000000000000000 RSI: ffff9f1cbad1bf70 RDI: ffffffff8518b170 # [ 50.787029] RBP: ffffffff8518a89a R08: 0000000000000000 R09: 0000000000000000 # [ 50.794997] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 # [ 50.802979] R13: ffffaf2281a17f10 R14: ffffaf2281a17f10 [ 52.881540] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE R15: ffff9f1c45d95000 # [ 50.810948] FS: 00007fc4eb174580(00[ 52.893997] lkdtm: Value in memory before free: 12345678 00) GS:ffff9f1cbad00000(0000) knlGS:0000000000000000 # [ 50.8[ 52.906176] lkdtm: Attempting to read from freed memory 20026] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ [ 52.918220] lkdtm: Buddy page was not poisoned 50.826439] CR2: ffffaf2281a13fff CR3: 0000000103c08006 CR4: 00000000003706e0 # [ 50.834408] Call Trace: # [ 50.837133] ? lkdtm_CORRUPT_LIST_DEL+0xe0/0xe0 # [ 50.842188] direct_entry.cold+0x2c/0x38 # [ 50.846568] full_proxy_write+0x53/0x80 # [ 50.850848] vfs_write+0xe7/0x3a0 # [ 50.854544] ksys_write+0x68/0xf0 # [ 50.858233] do_syscall_64+0x30/0x40 # [ 50.862221] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 50.867850] RIP: 0033:0x7fc4eb08a8f3 # [ 50.871834] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 50.892811] RSP: 002b:00007ffed303be08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 50.901254] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fc4eb08a8f3 # [ 50.909219] RDX: 00[ 53.016276] lkdtm: Performing direct entry SLAB_FREE_DOUBLE 00000000000019 RSI: 00007fc4eaf7d000 RDI: 0000000000000001 # [ [ 53.022639] lkdtm: Attempting double slab free ... 50.917187] RBP: 00007fc4eaf7d000 R08: 00007fc4eaf7c010 R09: 0000000000000000 # [ 50.925151] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 50.933117] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 50.941087] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 50.967541] ---[ end trace 82f3067a6a326e4a ]--- # [ 50.978904] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 50.983278] Code: 89 ff e8 2e b6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 [ 53.114020] lkdtm: Performing direct entry SLAB_FREE_CROSS [ 53.121105] lkdtm: Attempting cross-cache slab free ... fc 93 02 # [ 51.004255] RSP: 0018:ffffaf22814f7e60 EFLAGS: 00010286 # [ 51.010087] RAX: ffffffff840de890 RBX: 0000000000000001 RCX: 0000000000000000 # [ 51.018055] RDX: 0000000000000000 RSI: ffff9f1cbac9bf70 RDI: ffffffff84d9ae90 # [ 51.026019] RBP: ffffffff851e5df0 R08: 0000000000000001 R09: 0000000000000001 # [ 51.033985] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 51.041953] R13: ffffaf22814f7f10 R14: ffffaf22814f7f10 R15: ffff9f1c44c51000 # [ 51.049949] FS: 00007fc4eb174580(0000) GS:ffff9f1cbad00000(0000) knlGS:0000000000000000 # [ 51.059005] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 51.065438] CR2: ffffaf2281a13fff CR3: 0000000103c08006 CR4: 00000000003706e0 # [ 51.073406] BUG: sleepin[ 53.200915] lkdtm: Performing direct entry SLAB_FREE_PAGE g function called from invalid context at include/linux/percpu-r[ 53.207623] lkdtm: Attempting non-Slab slab free ... wsem.h:49 # [ 51.083307] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1051, name: cat # [ 51.091759] INFO: lockdep is turned off. # [ 51.096131] irq event stamp: 0 # [ 51.099534] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 51.106534] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 51.115667] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 51.124797] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 51.131798] CPU: 2 PID: 1051 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 51.140437] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 51.147237] Call Trace: # [ 51.149979] dump_stack+0x77/0x9b # [ 51.153677] ___might_sleep.cold+0xa6/0xb6 # [ 51.158248] exit_signals+0x1c/0x2e0 # [ 51.162226] do_exit+0xd5/0xb00 # [ 51.165729] ? ksys_write+0x68/0xf0 # [ 51.169614] rewind_stack_do_exit+0x17/0x20 # [ 51.174280] RIP: 0033:0x7fc4eb08a8f3 # [ 51.178267] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 51.199235] RSP: 002b:00007ffed303be08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 51.207687] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fc4eb08a8f3 # [ 51.215654] RDX: 0000000000000019 RSI: 00007fc4eaf7d000 RDI: 0000000000000001 # [ 51.223619] RBP: 00007fc4eaf7d000 R08: 00007fc4eaf7c010 R09: 0000000000000000 # [ 51.231587] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 51.239554] 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 # [ 51.375431] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 51.385205] lkdtm: attempting bad read from[ 53.418195] lkdtm: Performing direct entry EXEC_DATA page above current stack # [ 51.398543] BUG: stack guard pag[ 53.423799] lkdtm: attempting ok execution at ffffffff840dec60 [ 53.436524] lkdtm: attempting bad execution at ffffffff86a1e560 [ 53.443155] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 53.451519] BUG: unable to handle page fault for address: ffffffff86a1e560 [ 53.459197] #PF: supervisor instruction fetch in kernel mode [ 53.465515] #PF: error_code(0x0011) - permissions violation [ 53.471737] PGD 15ca29067 P4D 15ca29067 PUD 15ca2a063 PMD 800000015e0000e3 [ 53.479512] Oops: 0011 [#5] SMP PTI [ 53.483402] CPU: 2 PID: 1627 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 53.492040] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 53.498846] RIP: 0010:data_area+0x0/0x40 [ 53.503220] Code: ff ff 00 ad 1e 44 1c 9f ff ff 00 ac 1e 44 1c 9f ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 [ 53.524197] RSP: 0018:ffffaf22822d7e48 EFLAGS: 00010246 [ 53.530033] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 53.538000] RDX: 0000000000000000 RSI: ffff9f1cbad1bf70 RDI: ffff9f1cbad1bf70 [ 53.545974] RBP: ffffffff86a1e560 R08: 0000000000000000 R09: 0000000000000000 [ 53.553943] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 53.561909] R13: ffffaf22822d7f10 R14: ffffaf22822d7f10 R15: ffff9f1c43549000 [ 53.569876] FS: 00007f86b42d8580(0000) GS:ffff9f1cbad00000(0000) knlGS:0000000000000000 [ 53.578914] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.585327] CR2: ffffffff86a1e560 CR3: 0000000103370002 CR4: 00000000003706e0 [ 53.593295] Call Trace: [ 53.596033] ? execute_location+0x45/0x56 [ 53.600507] ? direct_entry.cold+0x2c/0x38 [ 53.605079] ? full_proxy_write+0x53/0x80 [ 53.609553] ? vfs_write+0xe7/0x3a0 [ 53.613445] ? ksys_write+0x68/0xf0 [ 53.617336] ? do_syscall_64+0x30/0x40 [ 53.621518] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 53.627352] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify e was hit at 0000000000dae5f8 (stack is 000000002b1f491f..000000[ 53.653800] CR2: ffffffff86a1e560 [ 53.663708] ---[ end trace 82f3067a6a326e4d ]--- [ 53.668860] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 53.673233] Code: 89 ff e8 2e b6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 fc 93 02 [ 53.694210] RSP: 0018:ffffaf22814f7e60 EFLAGS: 00010286 [ 53.700050] RAX: ffffffff840de890 RBX: 0000000000000001 RCX: 0000000000000000 [ 53.708029] RDX: 0000000000000000 RSI: ffff9f1cbac9bf70 RDI: ffffffff84d9ae90 [ 53.715996] RBP: ffffffff851e5df0 R08: 0000000000000001 R09: 0000000000000001 [ 53.723977] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 53.731944] R13: ffffaf22814f7f10 R14: ffffaf22814f7f10 R15: ffff9f1c44c51000 [ 53.739911] FS: 00007f86b42d8580(0000) GS:ffff9f1cbad00000(0000) knlGS:0000000000000000 [ 53.748946] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.755362] CR2: ffffffff86a1e560 CR3: 0000000103370002 CR4: 00000000003706e0 [ 53.763329] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 53.773240] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1627, name: cat [ 53.781692] INFO: lockdep is turned off. [ 53.786066] irq event stamp: 0 [ 53.789472] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 53.796468] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 53.805600] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 53.814732] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 53.821728] CPU: 2 PID: 1627 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 53.830375] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 53.837176] Call Trace: [ 53.839903] dump_stack+0x77/0x9b [ 53.843600] ___might_sleep.cold+0xa6/0xb6 [ 53.848172] exit_signals+0x1c/0x2e0 [ 53.852160] do_exit+0xd5/0xb00 [ 53.855652] ? ksys_write+0x68/0xf0 [ 53.859543] rewind_stack_do_exit+0x17/0x20 [ 53.864209] RIP: 0033:0x7f86b41ee8f3 [ 53.868196] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 53.889171] RSP: 002b:00007ffc97004188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 53.897624] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f86b41ee8f3 [ 53.905591] RDX: 000000000000000a RSI: 00007f86b40e1000 RDI: 0000000000000001 [ 53.913558] RBP: 00007f86b40e1000 R08: 00007f86b40e0010 R09: 0000000000000000 [ 53.921523] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 53.929491] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 00240435f9) # [ 51.415602] kernel stack overflow (page fault): 0000 [#4] SMP PTI # [ 51.422405] CPU: 0 PID: 1084 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 51.431056] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 51.437861] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d # [ 51.444476] Code: a0 fd ff 0f 1f 44 00 00 53 48 c7 c7 a8 b1 18 85 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 95 a0 fd ff 48 c7 c7 e8 b1 18 85 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 78 a0 fd ff # [ 51.465458] RSP: 0018:ffffaf2281a67e50 EFLAGS: 00010246 # [ 51.471291] RAX: 0000000000000038 RBX: ffffaf2281a64000 RCX: 0000000000000000 # [ 51.479261] RDX: 0000000000000000 RSI: ffff9f1cbac1bf70 RDI: ffffffff8518b1e8 # [ 51.487222] RBP: ffffffff8518a8b3 R08: 0000000000000000 R09: 0000000000000000 # [ 51.495188] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a # [ 51.503155] R13: ffffaf2281a67f10 R14: ffffaf2281a67f10 R15: ffff9f1c455d4000 # [ 51.511120] FS: 00007f568c2fd580(0000) GS:ffff9f1cbac00000(0000) knlGS:0000000000000000 # [ 51.520154] CS: 0010 DS: 0000 ES:[ 54.043433] lkdtm: Performing direct entry EXEC_STACK 0000 CR0: 0000000080050033 # [ 51.526567] CR2: ffffaf2281a68[ 54.054980] lkdtm: attempting ok execution at ffffffff840dec60 000 CR3: 0000000103450004 CR4: 00000000003706f0 # [ 51.534540[ 54.067711] lkdtm: attempting bad execution at ffffaf2282367e18 ] Call Trace: # [ 51.537268] ? lkdtm_STACK_GUARD_PAGE_LEADIN[ 54.080541] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 54.095120] BUG: unable to handle page fault for address: ffffaf2282367e18 [ 54.102798] #PF: supervisor instruction fetch in kernel mode [ 54.109115] #PF: error_code(0x0011) - permissions violation G+[0x3a/0x3a # [ 51.543102] direct_entry.cold+0x2c/0x38 # [ 54.115336] PGD 100000067 P4D 100000067 PUD 100211067 PMD 1041c0067 PTE 80000001033c2063 [ 54.130591] Oops: 0011 [#6] SMP PTI [ 54.134481] CPU: 1 PID: 1663 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 54.143128] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 54.149932] RIP: 0010:0xffffaf2282367e18 [ 54.154307] Code: 00 00 18 7e 36 82 22 af ff ff 59 c5 76 84 ff ff ff ff 20 00 00 00 00 00 00 00 f6 a9 18 85 ff ff ff ff 88 c6 76 84 ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 [ 54.175282] RSP: 0018:ffffaf2282367df8 EFLAGS: 00010246 [ 54.181114] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 54.189080] RDX: 0000000000000000 RSI: ffff9f1cbac9bf70 RDI: ffff9f1cbac9bf70 [ 54.197045] RBP: ffffaf2282367e18 R08: 0000000000000000 R09: 0000000000000000 [ 54.205026] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b 51.547479] full_proxy_write+0x53/0x80 # [ 51.551765] vfs_[ 54.212999] R13: ffffaf2282367f10 R14: ffffaf2282367f10 R15: ffff9f1c43de9000 [ 54.227179] FS: 00007fb3b3edf580(0000) GS:ffff9f1cbac80000(0000) knlGS:0000000000000000 [ 54.236213] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.242628] CR2: ffffaf2282367e18 CR3: 00000001032e6006 CR4: 00000000003706e0 [ 54.250594] Call Trace: [ 54.253321] ? execute_location+0x45/0x56 write+0xe7/0x3a0 # [ 51.555469] ksys_write+0x68/0xf0 # [ [ 54.257796] ? lkdtm_EXEC_STACK+0x26/0x44 [ 54.268481] ? direct_entry.cold+0x2c/0x38 [ 54.273052] ? full_proxy_write+0x53/0x80 51.559169] do_syscall_64+0x30/0x40 # [ 51.563164] entry_SYS[ 54.277527] ? vfs_write+0xe7/0x3a0 [ 54.287628] ? ksys_write+0x68/0xf0 [ 54.291510] ? do_syscall_64+0x30/0x40 [ 54.295692] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 CALL_64_after_hwframe+0x61/0xc6 # [ 51.568797] RIP: 0033:0x7f[ 54.301529] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 54.334158] CR2: ffffaf2282367e18 [ 54.337854] ---[ end trace 82f3067a6a326e4e ]--- [ 54.343021] RIP: 0010:lkdtm_BUG+0x5/0x10 568c2138f3 # [ 51.572787] Code: 8b 15 a1 25 0e 00 f7 d8 64 89[ 54.347405] Code: 89 ff e8 2e b6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 fc 93 02 [ 54.374594] RSP: 0018:ffffaf22814f7e60 EFLAGS: 00010286 [ 54.380426] RAX: ffffffff840de890 RBX: 0000000000000001 RCX: 0000000000000000 [ 54.388393] RDX: 0000000000000000 RSI: ffff9f1cbac9bf70 RDI: ffffffff84d9ae90 [ 54.396360] RBP: ffffffff851e5df0 R08: 0000000000000001 R09: 0000000000000001 [ 54.404326] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 54.412293] R13: ffffaf22814f7f10 R14: ffffaf22814f7f10 R15: ffff9f1c44c51000 [ 54.420261] FS: 00007fb3b3edf580(0000) GS:ffff9f1cbac80000(0000) knlGS:0000000000000000 [ 54.429296] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.435709] CR2: ffffaf2282367e18 CR3: 00000001032e6006 CR4: 00000000003706e0 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 51.593758] RSP: 002b:00007ffdccef7f58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 51.602203] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f568c2138f3 # [ 51.610173] RDX: 000000000000001a RSI: 00007f568c106000 RDI: 0000000000000001 # [ 51.618141] RBP: 00007f568c106000 R08: 00007f568c105010 R09: 0000000000000000 # [ 51.626109] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 51.634080] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 51.642053] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 51.66[ 54.535326] lkdtm: Performing direct entry EXEC_KMALLOC [ 54.542747] lkdtm: attempting ok execution at ffffffff840dec60 [ 54.549272] lkdtm: attempting bad execution at ffff9f1c45714000 [ 54.555897] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 54.564261] BUG: unable to handle page fault for address: ffff9f1c45714000 [ 54.571941] #PF: supervisor instruction fetch in kernel mode [ 54.578260] #PF: error_code(0x0011) - permissions violation 84[91] ---[ end trace 82f3067a6a326e4b ]--- # [ 51.673637] RIP 54.584480] PGD 15e201067 P4D 15e201067 PUD 10084e063 PMD 105768063 PTE 8000000105714063 [ 54.599735] Oops: 0011 [#7] SMP PTI [ 54.603625] CPU: 3 PID: 1699 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 54.612272] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 54.619075] RIP: 0010:0xffff9f1c45714000 [ 54.623443] Code: 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 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 [ 54.644411] RSP: 0018:ffffaf2282417e38 EFLAGS: 00010246 [ 54.650242] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 54.658209] RDX: 0000000000000000 RSI: ffff9f1cbad9bf70 RDI: ffff9f1cbad9bf70 [ 54.666175] RBP: ffff9f1c45714000 R08: 0000000000000000 R09: 0000000000000000 [ 54.674140] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 54.682107] R13: ffffaf2282417f10 R14: ffffaf2282417f10 R15: ffff9f1c457ba000 [ 54.690075] FS: 00007f76f05f7580(0000) GS:ffff9f1cbad80000(0000) knlGS:0000000000000000 [ 54.699109] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.705522] CR2: ffff9f1c45714000 CR3: 0000000104e40001 CR4: 00000000003706e0 [ 54.713488] Call Trace: [ 54.716215] ? execute_location+0x45/0x56 [ 54.720690] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 [ 54.725357] ? direct_entry.cold+0x2c/0x38 [ 54.729930] ? full_proxy_write+0x53/0x80 [ 54.734403] ? vfs_write+0xe7/0x3a0 [ 54.738295] ? ksys_write+0x68/0xf0 [ 54.742187] ? do_syscall_64+0x30/0x40 [ 54.746368] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 54.752195] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify : 0010:lkdtm_BUG+0x5/0x10 # [ 51.678014] Code: 89 ff e8 2e b6[ 54.778648] CR2: ffff9f1c45714000 [ 54.788554] ---[ end trace 82f3067a6a326e4f ]--- [ 54.793705] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 54.798080] Code: 89 ff e8 2e b6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 fc 93 02 [ 54.819058] RSP: 0018:ffffaf22814f7e60 EFLAGS: 00010286 [ 54.824890] RAX: ffffffff840de890 RBX: 0000000000000001 RCX: 0000000000000000 [ 54.832857] RDX: 0000000000000000 RSI: ffff9f1cbac9bf70 RDI: ffffffff84d9ae90 [ 54.840824] RBP: ffffffff851e5df0 R08: 0000000000000001 R09: 0000000000000001 [ 54.848791] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 54.856758] R13: ffffaf22814f7f10 R14: ffffaf22814f7f10 R15: ffff9f1c44c51000 [ 54.864724] FS: 00007f76f05f7580(0000) GS:ffff9f1cbad80000(0000) knlGS:0000000000000000 [ 54.873759] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.880172] CR2: ffff9f1c45714000 CR3: 0000000104e40001 CR4: 00000000003706e0 [ 54.888139] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 54.898048] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1699, name: cat [ 54.906500] INFO: lockdep is turned off. [ 54.910874] irq event stamp: 0 [ 54.914277] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 54.921275] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 54.930406] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 54.939537] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 54.946535] CPU: 3 PID: 1699 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 54.955182] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 54.961999] Call Trace: [ 54.964727] dump_stack+0x77/0x9b [ 54.968424] ___might_sleep.cold+0xa6/0xb6 [ 54.972994] exit_signals+0x1c/0x2e0 [ 54.976982] do_exit+0xd5/0xb00 [ 54.980484] ? ksys_write+0x68/0xf0 [ 54.984367] rewind_stack_do_exit+0x17/0x20 [ 54.989034] RIP: 0033:0x7f76f050d8f3 [ 54.993029] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 55.013996] RSP: 002b:00007ffdaa8fb6d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 55.022448] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f76f050d8f3 [ 55.030416] RDX: 000000000000000d RSI: 00007f76f0400000 RDI: 0000000000000001 [ 55.038382] RBP: 00007f76f0400000 R08: 00007f76f03ff010 R09: 0000000000000000 [ 55.046349] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 55.054317] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 fc 93 02 # [ 51.698988] RSP: 0018:ffffaf22814f7e60 EFLAGS: 00010286 # [ 51.704814] RAX: ffffffff840de890 RBX: 0000000000000001 RCX: 0000000000000000 # [ 51.712784] RDX: 0000000000000000 RSI: ffff9f1cbac9bf70 RDI: ffffffff84d9ae90 # [ 51.720751] RBP: ffffffff851e5df0 R08: 0000000000000001 R09: 0000000000000001 # [ 51.728719] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 51.736688] R13: ffffaf22814f7f10 R14: ffffaf22814f7f10 R15: ffff9f1c44c51000 # [ 51.744657] FS: 00007f568c2fd580(0000) GS:ffff9f1cbac00000(0000) knlGS:0000000000000000 # [ 51.753697] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 51.760112] CR2: ffffaf2281a68000 CR3: 0000000103450004 CR4: 00000000003706f0 # STACK_GUARD_PAGE_TRAILING: saw 'call trace:': ok ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # selftests: lkdtm: UNSET_SMEP.sh # [ 51.880191] lkdtm: Performing direct entry UNSET_SMEP # [ 51.891834] lkdtm: trying to clear S[ 55.169858] lkdtm: Performing direct entry EXEC_VMALLOC MEP normally # [ 51.897016] ------------[ cut here ]---------[ 55.180054] lkdtm: attempting ok execution at ffffffff840dec60 [ 55.192780] lkdtm: attempting bad execution at ffffaf22806c7000 [ 55.199409] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 55.207770] BUG: unable to handle page fault for address: ffffaf22806c7000 [ 55.215450] #PF: supervisor instruction fetch in kernel mode [ 55.221768] #PF: error_code(0x0011) - permissions violation --[- # [ 51.902204] pinned CR4 bits changed: 0x100000!? # [ 55.227980] PGD 100000067 P4D 100000067 PUD 100211067 PMD 105504067 PTE 8000000103f16063 [ 55.243237] Oops: 0011 [#8] SMP PTI [ 55.247130] CPU: 2 PID: 1735 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 55.255776] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 55.262581] RIP: 0010:0xffffaf22806c7000 [ 55.266978] Code: Unable to access opcode bytes at RIP 0xffffaf22806c6fd6. [ 55.274652] RSP: 0018:ffffaf22824afe38 EFLAGS: 00010246 [ 55.280485] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 55.288450] RDX: 0000000000000000 RSI: ffff9f1cbad1bf70 RDI: ffff9f1cbad1bf70 [ 55.296415] RBP: ffffaf22806c7000 R08: 0000000000000000 R09: 0000000000000000 [ 55.304385] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 55.312355] R13: ffffaf22824aff10 R14: ffffaf22824aff10 R15: ffff9f1c43f16000 [ 55.320323] FS: 00007fb9dd1e4580(0000) GS:ffff9f1cbad00000(0000) knlGS:0000000000000000 [ 55.329353] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.335766] CR2: ffffaf22806c6fd6 CR3: 0000000105592002 CR4: 00000000003706e0 [ 55.343735] Call Trace: [ 55.346464] ? execute_location+0x45/0x56 [ 55.350940] ? lkdtm_EXEC_VMALLOC+0x20/0x30 [ 55.355606] ? direct_entry.cold+0x2c/0x38 [ 55.360177] ? full_proxy_write+0x53/0x80 [ 55.364650] ? vfs_write+0xe7/0x3a0 [ 55.368542] ? ksys_write+0x68/0xf0 [ 55.372425] ? do_syscall_64+0x30/0x40 [ 55.376608] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 55.382442] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 51.907268] WARNING: CPU: 2 PID: 1120 at arch/x86/kernel/cpu/com[ 55.408894] CR2: ffffaf22806c7000 [ 55.418801] ---[ end trace 82f3067a6a326e50 ]--- [ 55.423977] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 55.428355] Code: 89 ff e8 2e b6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 fc 93 02 [ 55.449332] RSP: 0018:ffffaf22814f7e60 EFLAGS: 00010286 [ 55.455162] RAX: ffffffff840de890 RBX: 0000000000000001 RCX: 0000000000000000 [ 55.463129] RDX: 0000000000000000 RSI: ffff9f1cbac9bf70 RDI: ffffffff84d9ae90 [ 55.471095] RBP: ffffffff851e5df0 R08: 0000000000000001 R09: 0000000000000001 [ 55.479061] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 55.487027] R13: ffffaf22814f7f10 R14: ffffaf22814f7f10 R15: ffff9f1c44c51000 [ 55.494994] FS: 00007fb9dd1e4580(0000) GS:ffff9f1cbad00000(0000) knlGS:0000000000000000 [ 55.504041] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.510456] CR2: ffffaf22806c6fd6 CR3: 0000000105592002 CR4: 00000000003706e0 mon.c:392 native_write_cr4+0x45/0x60 # [ 51.917507] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 51.943961] CPU: 2 PID: 1120 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 51.958815] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 51.965627] RIP: 0010:native_write_cr4+0x45/0x60 # [ 51.970785] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d 41 a3 e3 01 00 75 f2 48 c7 c7 48 9d 0c 85 c6 05 31 a3 e3 01 01 e8 c6 c0 e7 00 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 # [ 51.991772] RSP: 0018:ffffaf2281b07e48 EFLAGS: 00010286 # [ 51.997642] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 0000000000000000 # [ 52.005617] RDX: ffff9f1cbad2c660 RSI: ffff9f1cbad1bf70 RDI: ffff9f1cbad1bf70 # [ 52.013626] RBP: ffffffff8518a8cd R08: 0000000000000000 R09: 0000000000000000 # [ 52.021602] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 52.029575] R13: ffffaf2281b07f10 R14: ffffaf2281b07f10 R15: ffff[ 55.635001] lkdtm: Performing direct entry EXEC_RODATA 9f1c45706000 # [ 52.037551] FS: 00007fef7914a580(0000) GS:ff[ 55.642295] lkdtm: attempting ok execution at ffffffff840dec60 ff9f1cbad00000(0000) knlGS:0000000000000000 # [ 52.046594] CS[ 55.655029] lkdtm: attempting bad execution at ffffffff84d9b320 : 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 52.053027[ 55.667853] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 55.682420] BUG: unable to handle page fault for address: ffffffff84d9b320 [ 55.690097] #PF: supervisor instruction fetch in kernel mode [ 55.696405] #PF: error_code(0x0011) - permissions violation [ 55.702624] PGD 15ca29067 P4D 15ca29067 PUD 15ca2a063 PMD 800000015c2000e1 ] CR2: 00007fef78f53000 CR3: 00000001055ee005 CR4: 0000000000370[ 55.710401] Oops: 0011 [#9] SMP PTI [ 55.720502] CPU: 1 PID: 1771 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 55.729140] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 55.735948] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 6e0 # [ 52.061016] Call Trace: # [ 52.063780] lkdtm_UNSET[ 55.741710] Code: ff ff f8 da 76 84 ff ff ff ff 42 ac 18 85 ff ff ff ff 3e c2 76 84 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 [ 55.768896] RSP: 0018:ffffaf22821efe48 EFLAGS: 00010246 [ 55.774728] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 55.782687] RDX: 0000000000000000 RSI: ffff9f1cbac9bf70 RDI: ffff9f1cbac9bf70 [ 55.790655] RBP: ffffffff84d9b320 R08: 0000000000000000 R09: 0000000000000000 [ 55.798622] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 55.806589] R13: ffffaf22821eff10 R14: ffffaf22821eff10 R15: ffff9f1c43373000 [ 55.814557] FS: 00007efec8a54580(0000) GS:ffff9f1cbac80000(0000) knlGS:0000000000000000 [ 55.823593] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.830026] CR2: ffffffff84d9b320 CR3: 00000001054a2004 CR4: 00000000003706e0 [ 55.837994] Call Trace: [ 55.840712] ? execute_location+0x45/0x56 _SMEP.cold+0x1d/0x103 # [ 52.068673] direct_entry.cold+0x2c/[ 55.845187] ? direct_entry.cold+0x2c/0x38 [ 55.855978] ? full_proxy_write+0x53/0x80 0x38 # [ 52.079279] full_proxy_write+0x53/0x80 # [ 52.083[ 55.860454] ? vfs_write+0xe7/0x3a0 [ 55.870553] ? ksys_write+0x68/0xf0 [ 55.874446] ? do_syscall_64+0x30/0x40 574] vfs_write+0xe7/0x3a0 # [ 52.093480] ksys_write+0x68/0x[ 55.878630] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 f0 # [ 52.097232] do_syscall_64+0x30/0x40 # [ 52.101234] [ 55.890676] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 55.923303] CR2: ffffffff84d9b320 [ 55.926999] ---[ end trace 82f3067a6a326e51 ]--- [ 55.932143] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 55.936509] Code: 89 ff e8 2e b6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 fc 93 02 [ 55.957484] RSP: 0018:ffffaf22814f7e60 EFLAGS: 00010286 [ 55.963306] RAX: ffffffff840de890 RBX: 0000000000000001 RCX: 0000000000000000 [ 55.971274] RDX: 0000000000000000 RSI: ffff9f1cbac9bf70 RDI: ffffffff84d9ae90 [ 55.979242] RBP: ffffffff851e5df0 R08: 0000000000000001 R09: 0000000000000001 [ 55.987209] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 55.995175] R13: ffffaf22814f7f10 R14: ffffaf22814f7f10 R15: ffff9f1c44c51000 [ 56.003141] FS: 00007efec8a54580(0000) GS:ffff9f1cbac80000(0000) knlGS:0000000000000000 [ 56.012175] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.018589] CR2: ffffffff84d9b320 CR3: 00000001054a2004 CR4: 00000000003706e0 entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 52.113086] RIP: 0033:0x7fef790608f3 # [ 52.117076] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 52.138065] RSP: 002b:00007fffa227f6d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 52.146521] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007fef790608f3 # [ 52.154497] RDX: 000000000000000b RSI: 00007fef78f53000 RDI: 0000000000000001 # [ 52.162469] RBP: 00007fef78f53000 R08: 00007fef78f52010 R09: 0000000000000000 # [ 52.176656] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 52.190849] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 52.198845] irq event stamp: 0 # [ 52.202265] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 52.215478] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ [ 56.125597] lkdtm: Performing direct entry EXEC_USERSPACE 52.224662] softirqs last enabled at (0): [][ 56.132035] lkdtm: attempting ok execution at ffffffff840dec60 copy_process+0x640/0x1c80 # [ 52.233810] softirqs last disab[ 56.144771] lkdtm: attempting bad execution at 00007f1f5d136000 led at (0): [<0000000000000000>] 0x0 # [ 52.247026] ---[ end [ 56.157613] unable to execute userspace code (SMEP?) (uid: 0) [ 56.170219] BUG: unable to handle page fault for address: 00007f1f5d136000 [ 56.177897] #PF: supervisor instruction fetch in kernel mode [ 56.184232] #PF: error_code(0x0011) - permissions violation tr[ace 82f3067a6a326e4c ]--- # [ 52.252212] lkdtm: ok: SMEP di 56.190451] PGD 80000001056ba067 P4D 80000001056ba067 PUD 103f0b067 PMD 1055d6067 PTE 1140bb067 [ 56.206386] Oops: 0011 [#10] SMP PTI [ 56.210365] CPU: 1 PID: 1807 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 56.219028] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 56.225833] RIP: 0010:0x7f1f5d136000 [ 56.229818] Code: Unable to access opcode bytes at RIP 0x7f1f5d135fd6. [ 56.237104] RSP: 0018:ffffaf2282597e50 EFLAGS: 00010246 [ 56.242937] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 [ 56.250904] RDX: 0000000000000000 RSI: ffff9f1cbac9bf70 RDI: ffff9f1cbac9bf70 [ 56.258871] RBP: 00007f1f5d136000 R08: 0000000000000000 R09: 0000000000000000 [ 56.266838] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f [ 56.274805] R13: ffffaf2282597f10 R14: ffffaf2282597f10 R15: ffff9f1c426b2000 [ 56.282774] FS: 00007f1f5d107580(0000) GS:ffff9f1cbac80000(0000) knlGS:0000000000000000 [ 56.291810] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.298223] CR2: 00007f1f5d136000 CR3: 000000010357c003 CR4: 00000000003706e0 [ 56.306189] Call Trace: [ 56.308917] ? lkdtm_EXEC_USERSPACE.cold+0x66/0xae d not get cleared # [ 52.257272] lkdtm: trying to clear SMEP [ 56.314263] ? direct_entry.cold+0x2c/0x38 [ 56.325047] ? full_proxy_write+0x53/0x80 with call gadget # [ 52.263206] lkdtm: ok: SMEP removal was r[ 56.329522] ? vfs_write+0xe7/0x3a0 [ 56.339622] ? ksys_write+0x68/0xf0 [ 56.343514] ? do_syscall_64+0x30/0x40 everted # UNSET_SMEP: saw 'pinned CR4 bits changed:': ok ok 14[ 56.347697] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 selftests: lkdtm: UNSET_SMEP.sh # selftests: lkdtm: DOUBLE_FAU[ 56.359744] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 56.392375] CR2: 00007f1f5d136000 [ 56.396072] ---[ end trace 82f3067a6a326e52 ]--- [ 56.401226] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 56.405600] Code: 89 ff e8 2e b6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 fc 93 02 [ 56.426581] RSP: 0018:ffffaf22814f7e60 EFLAGS: 00010286 [ 56.432412] RAX: ffffffff840de890 RBX: 0000000000000001 RCX: 0000000000000000 [ 56.440382] RDX: 0000000000000000 RSI: ffff9f1cbac9bf70 RDI: ffffffff84d9ae90 [ 56.448348] RBP: ffffffff851e5df0 R08: 0000000000000001 R09: 0000000000000001 [ 56.456317] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 56.464285] R13: ffffaf22814f7f10 R14: ffffaf22814f7f10 R15: ffff9f1c44c51000 [ 56.472254] FS: 00007f1f5d107580(0000) GS:ffff9f1cbac80000(0000) knlGS:0000000000000000 [ 56.481282] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.487696] CR2: 00007f1f5d136000 CR3: 000000010357c003 CR4: 00000000003706e0 [ 56.495662] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 56.505573] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1807, name: cat [ 56.514027] INFO: lockdep is turned off. [ 56.518394] irq event stamp: 0 [ 56.521797] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 56.528796] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 56.537920] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 56.547055] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 56.554054] CPU: 1 PID: 1807 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 56.562703] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 56.569506] Call Trace: [ 56.572232] dump_stack+0x77/0x9b [ 56.575932] ___might_sleep.cold+0xa6/0xb6 [ 56.580504] exit_signals+0x1c/0x2e0 [ 56.584493] do_exit+0xd5/0xb00 [ 56.587988] ? ksys_write+0x68/0xf0 [ 56.591881] rewind_stack_do_exit+0x17/0x20 LT.sh # [ 52.348840] lkdtm: Performing direct entry DOUBLE_FA[ 56.596550] RIP: 0033:0x7f1f5d01d8f3 [ 56.606749] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 56.627728] RSP: 002b:00007ffe21d09b28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 56.636172] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 00007f1f5d01d8f3 [ 56.644139] RDX: 000000000000000f RSI: 00007f1f5cf10000 RDI: 0000000000000001 [ 56.652107] RBP: 00007f1f5cf10000 R08: 00007f1f5cf0f010 R09: 0000000000000000 [ 56.660075] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 56.668042] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ULT # [ 52.355056] lkdtm: XFAIL: this test is ia32-only # DOUBLE_FAULT: saw 'XFAIL': [SKIP] ok 15 selftests: lkdtm: DOUBLE_FAULT.sh # SKIP # selftests: lkdtm: CORRUPT_PAC.sh # [ 52.441626] lkdtm: Performing direct entry CORRUPT_PAC # [ 52.452982] 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 # [ 52.585165] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 52.596004] 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 # [ 52.740452] lkdtm: Performing direct entry READ_AFTER_FREE # [ 52.752655] lkdtm: Value in memory before free: 12345678 # [ 52.758645] lkdtm: Attempting bad read from freed memory # [ 52.764589] 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_AF[ 56.815890] lkdtm: Performing direct entry EXEC_NULL [ 56.824534] lkdtm: attempting ok execution at ffffffff840dec60 [ 56.831064] lkdtm: attempting bad execution at 0000000000000000 [ 56.837688] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 56.845466] #PF: supervisor instruction fetch in kernel mode [ 56.851785] #PF: error_code(0x0010) - not-present page [ 56.857519] PGD 0 P4D 0 TER_FREE: Corrupts memory on failure ok 21 selftests: lkdtm: WR[ 56.860345] Oops: 0010 [#11] SMP PTI [ 56.870546] CPU: 3 PID: 1843 Comm: cat Tainted: G D W 5.10.145-cip17 #1 ITE_BUDDY_AFTER_FREE.sh # SKIP # selftests: lkdtm: READ_BUDDY_A[ 56.879196] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 56.892214] RIP: 0010:0x0 [ 56.895134] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. [ 56.902802] RSP: 0018:ffffaf2282607e48 EFLAGS: 00010246 [ 56.908634] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 56.916600] RDX: 0000000000000000 RSI: ffff9f1cbad9bf70 RDI: ffff9f1cbad9bf70 [ 56.924567] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 56.932533] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 56.940500] R13: ffffaf2282607f10 R14: ffffaf2282607f10 R15: ffff9f1c43ff7000 [ 56.948468] FS: 00007fa9d0227580(0000) GS:ffff9f1cbad80000(0000) knlGS:0000000000000000 [ 56.957504] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.963917] CR2: ffffffffffffffd6 CR3: 0000000103574004 CR4: 00000000003706e0 [ 56.971884] Call Trace: [ 56.974612] execute_location+0x45/0x56 [ 56.978889] direct_entry.cold+0x2c/0x38 [ 56.983266] full_proxy_write+0x53/0x80 [ 56.987546] vfs_write+0xe7/0x3a0 [ 56.991241] ksys_write+0x68/0xf0 [ 56.994939] do_syscall_64+0x30/0x40 [ 56.998925] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 57.004562] RIP: 0033:0x7fa9d013d8f3 [ 57.008549] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 57.029515] RSP: 002b:00007ffd03431a78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 57.037975] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fa9d013d8f3 [ 57.045941] RDX: 000000000000000a RSI: 00007fa9d0030000 RDI: 0000000000000001 [ 57.053908] RBP: 00007fa9d0030000 R08: 00007fa9d002f010 R09: 0000000000000000 [ 57.061875] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 57.069841] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 57.077811] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify FTER_FREE.sh # [ 52.881540] lkdtm: Performing direct entry RE[ 57.104264] CR2: 0000000000000000 [ 57.114171] ---[ end trace 82f3067a6a326e53 ]--- [ 57.119326] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 57.123700] Code: 89 ff e8 2e b6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 fc 93 02 [ 57.144677] RSP: 0018:ffffaf22814f7e60 EFLAGS: 00010286 [ 57.150508] RAX: ffffffff840de890 RBX: 0000000000000001 RCX: 0000000000000000 [ 57.158474] RDX: 0000000000000000 RSI: ffff9f1cbac9bf70 RDI: ffffffff84d9ae90 [ 57.166442] RBP: ffffffff851e5df0 R08: 0000000000000001 R09: 0000000000000001 [ 57.174408] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 57.182375] R13: ffffaf22814f7f10 R14: ffffaf22814f7f10 R15: ffff9f1c44c51000 [ 57.190341] FS: 00007fa9d0227580(0000) GS:ffff9f1cbad80000(0000) knlGS:0000000000000000 [ 57.199377] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.205790] CR2: ffffffffffffffd6 CR3: 0000000103574004 CR4: 00000000003706e0 AD_BUDDY_AFTER_FREE # [ 52.893997] lkdtm: Value in memory before free: 12345678 # [ 52.906176] lkdtm: Attempting to read from freed memory # [ 52.918220] lkdtm: Buddy page was not poisoned # READ_BUDDY_AFTER_FREE: missing 'call trace:': [FAIL] not ok 22 selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh # exit=1 # selftests: lkdtm: SLAB_FREE_DOUBLE.sh # [ 53.016276] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 53.022639] lkdtm: Attempting double slab free ... # SLAB_FREE_DOUBLE: missing 'call trace:': [FAIL] not ok 23 selftests: lkdtm: SLAB_FREE_DOUBLE.sh # exit=1 # selftests: lkdtm: SLAB_FREE_CROSS.sh # [ 53.114020] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 53.121105] lkdtm: Attempting cross-cache slab free ... # SLAB_FREE_CROSS: missing 'call trace:': [FAIL] not ok 24 selftests: lkdtm: SLAB_FREE_CROSS.sh # exit=1 # selftests: lkdtm: SLAB_FREE_PAGE.sh # [ 53.200915] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 53.207623] lkdtm: Attempting non-Slab slab free ... # SLAB_FREE_PAGE: missing 'call trace:': [FAIL] not ok 25 se[ 57.316043] lkdtm: Performing direct entry ACCESS_USERSPACE [ 57.325723] lkdtm: attempting bad read at 00007fc370dc4000 [ 57.331864] BUG: unable to handle page fault for address: 00007fc370dc4000 [ 57.339549] #PF: supervisor read access in kernel mode [ 57.345286] #PF: error_code(0x0001) - permissions violation lf[tests: lkdtm: SLAB_FREE_PAGE.sh # exit=1 # selftests: lkdtm: 57.351499] PGD 8000000103d8e067 P4D 8000000103d8e067 PUD 10555c067 PMD 103300067 PTE 1144be067 [ 57.367433] Oops: 0001 [#12] SMP PTI [ 57.371422] CPU: 3 PID: 1878 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 57.380068] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 57.386874] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 [ 57.393096] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 60 b9 18 85 e8 09 9a fd ff 48 c7 c7 88 b9 18 85 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 f0 99 fd ff 48 89 ee 48 c7 c7 b0 b9 18 [ 57.414064] RSP: 0018:ffffaf22826bfe48 EFLAGS: 00010246 [ 57.419896] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 [ 57.427863] RDX: 0000000000000000 RSI: ffff9f1cbad9bf70 RDI: ffffffff8518b988 [ 57.435831] RBP: 00007fc370dc4000 R08: 0000000000000000 R09: 0000000000000000 [ 57.443797] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 [ 57.451764] R13: ffffaf22826bff10 R14: ffffaf22826bff10 R15: ffff9f1c44e0f000 [ 57.459731] FS: 00007fc370d95580(0000) GS:ffff9f1cbad80000(0000) knlGS:0000000000000000 [ 57.468766] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.475181] CR2: 00007fc370dc4000 CR3: 00000001032ac006 CR4: 00000000003706e0 [ 57.483148] Call Trace: [ 57.485875] direct_entry.cold+0x2c/0x38 [ 57.490253] full_proxy_write+0x53/0x80 [ 57.494533] vfs_write+0xe7/0x3a0 [ 57.498231] ksys_write+0x68/0xf0 [ 57.501929] do_syscall_64+0x30/0x40 [ 57.505916] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 57.511554] RIP: 0033:0x7fc370cab8f3 [ 57.515533] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 57.536502] RSP: 002b:00007ffe91719408 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 57.544973] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007fc370cab8f3 [ 57.552945] RDX: 0000000000000011 RSI: 00007fc370b9e000 RDI: 0000000000000001 [ 57.560912] RBP: 00007fc370b9e000 R08: 00007fc370b9d010 R09: 0000000000000000 [ 57.568880] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 57.576847] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 57.584819] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify SOFTLOCKUP.sh # Skipping SOFTLOCKUP: Hangs the system ok 26 se[ 57.611273] CR2: 00007fc370dc4000 [ 57.621181] ---[ end trace 82f3067a6a326e54 ]--- [ 57.626334] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 57.630707] Code: 89 ff e8 2e b6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 fc 93 02 [ 57.651686] RSP: 0018:ffffaf22814f7e60 EFLAGS: 00010286 [ 57.657517] RAX: ffffffff840de890 RBX: 0000000000000001 RCX: 0000000000000000 [ 57.665482] RDX: 0000000000000000 RSI: ffff9f1cbac9bf70 RDI: ffffffff84d9ae90 [ 57.673448] RBP: ffffffff851e5df0 R08: 0000000000000001 R09: 0000000000000001 [ 57.681415] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 57.689380] R13: ffffaf22814f7f10 R14: ffffaf22814f7f10 R15: ffff9f1c44c51000 [ 57.697346] FS: 00007fc370d95580(0000) GS:ffff9f1cbad80000(0000) knlGS:0000000000000000 [ 57.706382] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.712793] CR2: 00007fc370dc4000 CR3: 00000001032ac006 CR4: 00000000003706e0 [ 57.720760] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 57.730669] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1878, name: cat [ 57.739120] INFO: lockdep is turned off. [ 57.743495] irq event stamp: 0 [ 57.746900] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 57.753889] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 57.763038] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 57.772171] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 57.779168] CPU: 3 PID: 1878 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 57.787813] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 57.794616] Call Trace: [ 57.797342] dump_stack+0x77/0x9b [ 57.801038] ___might_sleep.cold+0xa6/0xb6 [ 57.805608] exit_signals+0x1c/0x2e0 [ 57.809597] do_exit+0xd5/0xb00 [ 57.813100] ? ksys_write+0x68/0xf0 [ 57.816992] rewind_stack_do_exit+0x17/0x20 [ 57.821658] RIP: 0033:0x7fc370cab8f3 [ 57.825646] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 57.846618] RSP: 002b:00007ffe91719408 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 57.855062] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007fc370cab8f3 [ 57.863036] RDX: 0000000000000011 RSI: 00007fc370b9e000 RDI: 0000000000000001 [ 57.871003] RBP: 00007fc370b9e000 R08: 00007fc370b9d010 R09: 0000000000000000 [ 57.878975] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 57.886941] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 lftests: lkdtm: SOFTLOCKUP.sh # SKIP # selftests: lkdtm: HARDLOCKUP.sh # Skipping HARDLOCKUP: Hangs the system ok 27 selftests: lkdtm: HARDLOCKUP.sh # SKIP # selftests: lkdtm: SPINLOCKUP.sh # Skipping SPINLOCKUP: Hangs the system ok 28 selftests: lkdtm: SPINLOCKUP.sh # SKIP # selftests: lkdtm: HUNG_TASK.sh # Skipping HUNG_TASK: Hangs the system ok 29 selftests: lkdtm: HUNG_TASK.sh # SKIP # selftests: lkdtm: EXEC_DATA.sh # Killed # [ 53.418195] lkdtm: Performing direct entry EXEC_DATA # [ 53.423799] lkdtm: attempting ok execution at ffffffff840dec60 # [ 53.436524] lkdtm: attempting bad execution at ffffffff86a1e560 # [ 53.443155] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 53.451519] BUG: unable to handle page fault for address: ffffffff86a1e560 # [ 53.459197] #PF: supervisor instruction fetch in kernel mode # [ 53.465515] #PF: error_code(0x0011) - permissions violation # [ 53.471737] PGD 15ca29067 P4D 15ca29067 PUD 15ca2a063 PMD 800000015e0000e3 # [ 53.479512] Oops: 0011 [#5] SMP PTI # [ 53.483402] CPU: 2 PID: 1627 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 53.492040] Hardware name: Google Rammus/Rammus, BI[ 58.008492] lkdtm: Performing direct entry ACCESS_NULL OS 09/04/2020 # [ 53.498846] RIP: 0010:data_area+0x0/0x40 #[ 58.018797] lkdtm: attempting bad read at 0000000000000000 [ 53.503220] Code: ff ff 00 ad 1e 44 1c 9f ff ff 00 ac 1e 44 [ 58.031139] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 58.045109] #PF: supervisor read access in kernel mode [ 58.050842] #PF: error_code(0x0000) - not-present page [ 58.056576] PGD 0 P4D 0 [ 58.059399] Oops: 0000 [#13] SMP PTI [ 58.063387] CPU: 0 PID: 1913 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 58.072033] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 58.078839] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 [ 58.084094] Code: ad 99 fd ff be 00 10 00 00 48 89 ef e8 ad a9 39 ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 60 b9 18 85 e8 87 99 fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 88 b9 18 85 48 01 [ 58.105068] RSP: 0018:ffffaf2282737e58 EFLAGS: 00010246 [ 58.110899] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 [ 58.118864] RDX: 0000000000000000 RSI: ffff9f1cbac1bf70 RDI: ffff9f1cbac1bf70 [ 58.126832] RBP: ffffffff8518aa51 R08: 0000000000000000 R09: 0000000000000000 [ 58.134799] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 58.142765] R13: ffffaf2282737f10 R14: ffffaf2282737f10 R15: ffff9f1c426c2000 [ 58.150733] FS: 00007f49f2158580(0000) GS:ffff9f1cbac00000(0000) knlGS:0000000000000000 [ 58.159768] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.166181] CR2: 0000000000000000 CR3: 0000000104f86005 CR4: 00000000003706f0 [ 58.174148] Call Trace: [ 58.176874] direct_entry.cold+0x2c/0x38 [ 58.181258] full_proxy_write+0x53/0x80 [ 58.185544] vfs_write+0xe7/0x3a0 [ 58.189245] ksys_write+0x68/0xf0 [ 58.192943] do_syscall_64+0x30/0x40 [ 58.196936] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 58.202573] RIP: 0033:0x7f49f206e8f3 [ 58.206560] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 58.227528] RSP: 002b:00007fff2c8385d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 58.235981] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f49f206e8f3 [ 58.243947] RDX: 000000000000000c RSI: 00007f49f1f61000 RDI: 0000000000000001 [ 58.251915] RBP: 00007f49f1f61000 R08: 00007f49f1f60010 R09: 0000000000000000 [ 58.259874] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 58.267843] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 58.275814] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 58.302247] CR2: 0000000000000000 [ 58.305943] ---[ end trace 82f3067a6a326e55 ]--- [ 58.311087] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 58.315464] Code: 89 ff e8 2e b6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 fc 93 02 [ 58.336441] RSP: 0018:ffffaf22814f7e60 EFLAGS: 00010286 [ 58.342264] RAX: ffffffff840de890 RBX: 0000000000000001 RCX: 0000000000000000 [ 58.350230] RDX: 0000000000000000 RSI: ffff9f1cbac9bf70 RDI: ffffffff84d9ae90 [ 58.358197] RBP: ffffffff851e5df0 R08: 0000000000000001 R09: 0000000000000001 [ 58.366163] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 58.374130] R13: ffffaf22814f7f10 R14: ffffaf22814f7f10 R15: ffff9f1c44c51000 [ 58.382098] FS: 00007f49f2158580(0000) GS:ffff9f1cbac00000(0000) knlGS:0000000000000000 [ 58.391131] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.397544] CR2: 0000000000000000 CR3: 0000000104f86005 CR4: 00000000003706f0 1c 9f ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 # [ 53.524197] RSP: 0018:ffffaf22822d7e48 EFLAGS: 00010246 # [ 53.530033] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 53.538000] RDX: 0000000000000000 RSI: ffff9f1cbad1bf70 RDI: ffff9f1cbad1bf70 # [ 53.545974] RBP: ffffffff86a1e560 R08: 0000000000000000 R09: 0000000000000000 # [ 53.553943] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 53.561909] R13: ffffaf22822d7f10 R14: ffffaf22822d7f10 R15: ffff9f1c43549000 # [ 53.569876] FS: 00007f86b42d8580(0000) GS:ffff9f1cbad00000(0000) knlGS:0000000000000000 # [ 53.578914] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 53.585327] CR2: ffffffff86a1e560 CR3: 0000000103370002 CR4: 00000000003706e0 # [ 53.593295] Call Trace: # [ 53.596033] ? execute_location+0x45/0x56 # [ 53.600507] ? direct_entry.cold+0x2c/0x38 # [ 53.605079] ? full_proxy_write+0x53/0x80 # [ 53.609553] ? vfs_write+0xe7/0x3a0 # [ 53.613445] ? ksys_write+0x68/0xf0 # [ 53.617336] ? do_syscall_64+0x30/0x40 # [ 53.621518] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 53.627352] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 53.65380[ 58.554007] lkdtm: Performing direct entry WRITE_RO [ 58.560134] lkdtm: attempting bad rodata write at ffffffff84d9b310 [ 58.567076] BUG: unable to handle page fault for address: ffffffff84d9b310 [ 58.574761] #PF: supervisor write access in kernel mode [ 58.580605] #PF: error_code(0x0003) - permissions violation [ 58.586827] PGD 15ca29067 P4D 15ca29067 PUD 15ca2a063 PMD 800000015c2000e1 0] CR2: ffffffff86a1e560 # [ 53.663708] ---[ end trace 82f306[ 58.594607] Oops: 0003 [#14] SMP PTI [ 58.604806] CPU: 2 PID: 1948 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 58.613454] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 58.620259] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a [ 58.625216] Code: 00 48 c7 c7 40 b8 18 85 48 c7 c6 10 b3 d9 84 e8 31 9c fd ff 48 8b 05 87 ed 62 00 ba 34 12 cd ab 48 c7 c7 70 b8 18 85 48 31 d0 <48> 89 05 71 ed 62 00 e9 0f 9c fd ff 0f 1f 44 00 00 48 8b 05 80 bd [ 58.646194] RSP: 0018:ffffaf22827a7e60 EFLAGS: 00010202 [ 58.652029] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 [ 58.659997] RDX: 00000000abcd1234 RSI: ffff9f1cbad1bf70 RDI: ffffffff8518b870 [ 58.667975] RBP: ffffffff8518aa5d R08: 0000000000000000 R09: 0000000000000000 [ 58.675942] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 [ 58.683909] R13: ffffaf22827a7f10 R14: ffffaf22827a7f10 R15: ffff9f1c43323000 [ 58.691877] FS: 00007fcff909c580(0000) GS:ffff9f1cbad00000(0000) knlGS:0000000000000000 [ 58.700910] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.707323] CR2: ffffffff84d9b310 CR3: 00000001008b2001 CR4: 00000000003706e0 [ 58.715289] Call Trace: [ 58.718029] direct_entry.cold+0x2c/0x38 [ 58.722411] full_proxy_write+0x53/0x80 [ 58.726691] vfs_write+0xe7/0x3a0 [ 58.730387] ksys_write+0x68/0xf0 [ 58.734085] do_syscall_64+0x30/0x40 [ 58.738071] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 58.743709] RIP: 0033:0x7fcff8fb28f3 [ 58.747696] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 58.768664] RSP: 002b:00007ffe8eb179b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 58.777108] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007fcff8fb28f3 [ 58.785075] RDX: 0000000000000009 RSI: 00007fcff8ea5000 RDI: 0000000000000001 [ 58.793041] RBP: 00007fcff8ea5000 R08: 00007fcff8ea4010 R09: 0000000000000000 [ 58.801023] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 58.808986] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 58.816977] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 7a6a326e4d ]--- # [ 53.668860] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 58.843403] CR2: ffffffff84d9b310 [ 58.853309] ---[ end trace 82f3067a6a326e56 ]--- [ 58.858461] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 58.862836] Code: 89 ff e8 2e b6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 fc 93 02 [ 58.883814] RSP: 0018:ffffaf22814f7e60 EFLAGS: 00010286 [ 58.889645] RAX: ffffffff840de890 RBX: 0000000000000001 RCX: 0000000000000000 [ 58.897612] RDX: 0000000000000000 RSI: ffff9f1cbac9bf70 RDI: ffffffff84d9ae90 [ 58.905580] RBP: ffffffff851e5df0 R08: 0000000000000001 R09: 0000000000000001 [ 58.913546] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 58.921512] R13: ffffaf22814f7f10 R14: ffffaf22814f7f10 R15: ffff9f1c44c51000 [ 58.929480] FS: 00007fcff909c580(0000) GS:ffff9f1cbad00000(0000) knlGS:0000000000000000 [ 58.938512] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.944927] CR2: ffffffff84d9b310 CR3: 00000001008b2001 CR4: 00000000003706e0 [ 58.952894] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 58.962805] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1948, name: cat [ 58.971257] INFO: lockdep is turned off. [ 58.975633] irq event stamp: 0 [ 58.979037] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 58.986035] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 58.995167] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 59.004300] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 59.011297] CPU: 2 PID: 1948 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 59.019944] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 59.026746] Call Trace: [ 59.029473] dump_stack+0x77/0x9b [ 59.033170] ___might_sleep.cold+0xa6/0xb6 [ 59.037741] exit_signals+0x1c/0x2e0 [ 59.041728] do_exit+0xd5/0xb00 [ 59.045222] ? ksys_write+0x68/0xf0 [ 59.049115] rewind_stack_do_exit+0x17/0x20 [ 59.053782] RIP: 0033:0x7fcff8fb28f3 [ 59.057770] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 59.078748] RSP: 002b:00007ffe8eb179b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 59.087192] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007fcff8fb28f3 [ 59.095159] RDX: 0000000000000009 RSI: 00007fcff8ea5000 RDI: 0000000000000001 [ 59.103127] RBP: 00007fcff8ea5000 R08: 00007fcff8ea4010 R09: 0000000000000000 [ 59.111094] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 59.119061] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 53.673233] Code: 89 ff e8 2e b6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 fc 93 02 # [ 53.694210] RSP: 0018:ffffaf22814f7e60 EFLAGS: 00010286 # [ 53.700050] RAX: ffffffff840de890 RBX: 0000000000000001 RCX: 0000000000000000 # [ 53.708029] RDX: 0000000000000000 RSI: ffff9f1cbac9bf70 RDI: ffffffff84d9ae90 # [ 53.715996] RBP: ffffffff851e5df0 R08: 0000000000000001 R09: 0000000000000001 # [ 53.723977] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 53.731944] R13: ffffaf22814f7f10 R14: ffffaf22814f7f10 R15: ffff9f1c44c51000 # [ 53.739911] FS: 00007f86b42d8580(0000) GS:ffff9f1cbad00000(0000) knlGS:0000000000000000 # [ 53.748946] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 53.755362] CR2: ffffffff86a1e560 CR3: 0000000103370002 CR4: 00000000003706e0 # [ 53.763329] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 53.773240] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1627, name: cat # [ 53.781692] INFO: lockdep is turned off. # [ 53.786066] irq event st[ 59.239302] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT amp: 0 # [ 53.789472] hardirqs last enabled at (0): [<000000[ 59.251700] lkdtm: attempting bad ro_after_init write at ffffffff85208330 0000000000>] 0x0 # [ 53.796468] hardirqs last disabled at (0)[ 59.265520] BUG: unable to handle page fault for address: ffffffff85208330 [ 59.279370] #PF: supervisor write access in kernel mode [ 59.285199] #PF: error_code(0x0003) - permissions violation [ 59.291419] PGD 15ca29067 P4D 15ca29067 PUD 15ca2a063 PMD 104cbe063 PTE 800000015c808061 [ 59.300464] Oops: 0003 [#15] SMP PTI [ 59.304443] CPU: 0 PID: 1983 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 59.313090] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 59.319894] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a [ 59.325924] Code: b8 18 85 e9 e3 9b fd ff 48 c7 c7 c8 b8 18 85 e8 d7 9b fd ff 48 8b 05 4d bd a9 00 ba 34 12 cd ab 48 c7 c7 70 b8 18 85 48 31 d0 <48> 89 05 37 bd a9 00 e9 b5 9b fd ff 0f 1f 44 00 00 41 54 48 c7 c7 [ 59.346901] RSP: 0018:ffffaf228282fe60 EFLAGS: 00010202 [ 59.352725] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 [ 59.360693] RDX: 00000000abcd1234 RSI: ffff9f1cbac1bf70 RDI: ffffffff8518b870 [ 59.368660] RBP: ffffffff8518aa66 R08: 0000000000000000 R09: 0000000000000000 [ 59.376626] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 [ 59.384592] R13: ffffaf228282ff10 R14: ffffaf228282ff10 R15: ffff9f1c45406000 [ 59.392559] FS: 00007f0064f06580(0000) GS:ffff9f1cbac00000(0000) knlGS:0000000000000000 [ 59.401594] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.408022] CR2: ffffffff85208330 CR3: 00000001029a0006 CR4: 00000000003706f0 [ 59.415988] Call Trace: [ 59.418715] direct_entry.cold+0x2c/0x38 [ 59.423093] full_proxy_write+0x53/0x80 [ 59.427382] vfs_write+0xe7/0x3a0 [ 59.431084] ksys_write+0x68/0xf0 [ 59.434783] do_syscall_64+0x30/0x40 [ 59.438775] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 59.444415] RIP: 0033:0x7f0064e1c8f3 [ 59.448394] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 59.469362] RSP: 002b:00007ffe8b90a078 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 59.477814] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f0064e1c8f3 [ 59.485780] RDX: 0000000000000014 RSI: 00007f0064d0f000 RDI: 0000000000000001 [ 59.493747] RBP: 00007f0064d0f000 R08: 00007f0064d0e010 R09: 0000000000000000 [ 59.501713] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 59.509679] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 59.517650] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 59.544082] CR2: ffffffff85208330 [ 59.547779] ---[ end trace 82f3067a6a326e57 ]--- [ 59.552923] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 59.557297] Code: 89 ff e8 2e b6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 fc 93 02 [ 59.578275] RSP: 0018:ffffaf22814f7e60 EFLAGS: 00010286 [ 59.584098] RAX: ffffffff840de890 RBX: 0000000000000001 RCX: 0000000000000000 [ 59.592065] RDX: 0000000000000000 RSI: ffff9f1cbac9bf70 RDI: ffffffff84d9ae90 [ 59.600032] RBP: ffffffff851e5df0 R08: 0000000000000001 R09: 0000000000000001 [ 59.608000] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 59.615968] R13: ffffaf22814f7f10 R14: ffffaf22814f7f10 R15: ffff9f1c44c51000 [ 59.623935] FS: 00007f0064f06580(0000) GS:ffff9f1cbac00000(0000) knlGS:0000000000000000 [ 59.632960] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.639373] CR2: ffffffff85208330 CR3: 00000001029a0006 CR4: 00000000003706f0 : [] copy_process+0x640/0x1c80 # [ 53.805600] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 53.814732] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 53.821728] CPU: 2 PID: 1627 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 53.830375] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 53.837176] Call Trace: # [ 53.839903] dump_stack+0x77/0x9b # [ 53.843600] ___might_sleep.cold+0xa6/0xb6 # [ 53.848172] exit_signals+0x1c/0x2e0 # [ 53.852160] do_exit+0xd5/0xb00 # [ 53.855652] ? ksys_write+0x68/0xf0 # [ 53.859543] rewind_stack_do_exit+0x17/0x20 # [ 53.864209] RIP: 0033:0x7f86b41ee8f3 # [ 53.868196] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 53.889171] RSP: 002b:00007ffc97004188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 53.897624] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f86b41ee8f3 # [ 53.905591] RDX: 000000000000000a RSI: 00007f86b40e1000 RDI: 0000000000000001 # [ 53.913558] RBP: 00007f86b40e1000 R08: 00007f86b40e0010 R09: 0000000000000000 # [ 53.921523] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 53.929491] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_DATA: saw 'call trace:': ok ok 30 selftests: lkdtm: EXEC_DATA.sh # selftests: lkdtm: EXEC_STACK.sh # Killed # [ 54.043433] lkdtm: Performing direct entry EXEC_STACK # [ 54.054980] lkdtm: attempting ok execution at ffffffff840dec60 # [ 54.067711] lkdtm: attempting bad execution at ffffaf2282367e18 # [ 54.080541] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 54.095120] BUG: unable to handle page fault for address: ffffaf2282367e18 # [ 54.102798] #PF: supervisor instruction fetch i[ 59.835750] lkdtm: Performing direct entry WRITE_KERN n kernel mode # [ 54.109115] #PF: error_code(0x0011) - permis[ 59.845673] lkdtm: attempting bad 6871203 byte write at ffffffff8476c503 sions violation # [ 54.115336] PGD 100000067 P4D 100000067 PU[ 59.859381] BUG: unable to handle page fault for address: ffffffff8476c503 [ 59.873263] #PF: supervisor write access in kernel mode [ 59.879094] #PF: error_code(0x0003) - permissions violation D [100211067 PMD 1041c0067 PTE 80000001033c2063 # [ 54.130591] 59.885315] PGD 15ca29067 P4D 15ca29067 PUD 15ca2a063 PMD 15bc000e1 [ 59.898630] Oops: 0003 [#16] SMP PTI [ 59.902609] CPU: 1 PID: 2018 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 59.911247] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 59.918052] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e Oops: 0011 [#6] SMP PTI # [ 54.134481] CPU: 1 PID: 1663 Comm[ 59.923206] Code: 53 48 c7 c3 03 c5 76 84 49 89 dc 48 89 da 49 81 ec 60 ec 0d 84 4c 89 e6 e8 8a 9b fd ff 48 89 df 4c 89 e1 48 c7 c6 60 ec 0d 84 a4 48 c7 c7 70 b8 18 85 e8 6f 9b fd ff 5b 41 5c e9 b7 fe ff ff [ 59.950399] RSP: 0018:ffffaf22828a7e50 EFLAGS: 00010246 [ 59.956232] RAX: 000000000000003c RBX: ffffffff8476c503 RCX: 000000000068d8a3 [ 59.964199] RDX: 0000000000000000 RSI: ffffffff840dec60 RDI: ffffffff8476c503 [ 59.972168] RBP: ffffffff8518aa7a R08: 0000000000000000 R09: 0000000000000000 [ 59.980137] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000068d8a3 [ 59.988103] R13: ffffaf22828a7f10 R14: ffffaf22828a7f10 R15: ffff9f1c43534000 [ 59.996071] FS: 00007febec2f6580(0000) GS:ffff9f1cbac80000(0000) knlGS:0000000000000000 [ 60.005106] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.011521] CR2: ffffffff8476c503 CR3: 0000000103504004 CR4: 00000000003706e0 [ 60.019489] Call Trace: [ 60.022216] direct_entry.cold+0x2c/0x38 : cat Tainted: G D W 5.10.145-cip17 #1 # [ 54.14[ 60.026596] full_proxy_write+0x53/0x80 [ 60.037086] vfs_write+0xe7/0x3a0 3128] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [[ 60.040785] ksys_write+0x68/0xf0 [ 60.050694] do_syscall_64+0x30/0x40 54.149932] RIP: 0010:0xffffaf2282367e18 # [ 54.154307] Cod[ 60.054684] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 60.066532] RIP: 0033:0x7febec20c8f3 [ 60.070521] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 60.091491] RSP: 002b:00007ffe9b29a8d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 60.099947] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007febec20c8f3 [ 60.107938] RDX: 000000000000000b RSI: 00007febec0ff000 RDI: 0000000000000001 [ 60.115907] RBP: 00007febec0ff000 R08: 00007febec0fe010 R09: 0000000000000000 [ 60.123865] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 60.131833] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 e: 00 00 18 7e 36 82 22 af ff ff 59 c5 76 84 ff ff ff ff 20 00 0[ 60.139806] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 60.172440] CR2: ffffffff8476c503 [ 60.176136] ---[ end trace 82f3067a6a326e58 ]--- [ 60.181291] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 60.185667] Code: 89 ff e8 2e b6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 fc 93 02 [ 60.206644] RSP: 0018:ffffaf22814f7e60 EFLAGS: 00010286 [ 60.212478] RAX: ffffffff840de890 RBX: 0000000000000001 RCX: 0000000000000000 [ 60.220444] RDX: 0000000000000000 RSI: ffff9f1cbac9bf70 RDI: ffffffff84d9ae90 [ 60.228414] RBP: ffffffff851e5df0 R08: 0000000000000001 R09: 0000000000000001 [ 60.236381] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 60.244347] R13: ffffaf22814f7f10 R14: ffffaf22814f7f10 R15: ffff9f1c44c51000 [ 60.252316] FS: 00007febec2f6580(0000) GS:ffff9f1cbac80000(0000) knlGS:0000000000000000 [ 60.261353] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.267767] CR2: ffffffff8476c503 CR3: 0000000103504004 CR4: 00000000003706e0 [ 60.275738] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 60.285650] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 2018, name: cat [ 60.294104] INFO: lockdep is turned off. [ 60.298479] irq event stamp: 0 [ 60.301884] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 60.308873] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 60.318027] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 60.327159] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 60.334155] CPU: 1 PID: 2018 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 60.342801] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 60.349603] Call Trace: [ 60.352329] dump_stack+0x77/0x9b [ 60.356030] ___might_sleep.cold+0xa6/0xb6 [ 60.360603] exit_signals+0x1c/0x2e0 [ 60.364593] do_exit+0xd5/0xb00 [ 60.368094] ? ksys_write+0x68/0xf0 [ 60.371984] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 [ 60.377430] rewind_stack_do_exit+0x17/0x20 [ 60.382097] RIP: 0033:0x7febec20c8f3 [ 60.386082] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 60.407060] RSP: 002b:00007ffe9b29a8d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 60.415514] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007febec20c8f3 [ 60.423483] RDX: 000000000000000b RSI: 00007febec0ff000 RDI: 0000000000000001 [ 60.431444] RBP: 00007febec0ff000 R08: 00007febec0fe010 R09: 0000000000000000 [ 60.439413] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 60.447381] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0 00 00 00 00 00 f6 a9 18 85 ff ff ff ff 88 c6 76 84 ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 # [ 54.175282] RSP: 0018:ffffaf2282367df8 EFLAGS: 00010246 # [ 54.181114] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 54.189080] RDX: 0000000000000000 RSI: ffff9f1cbac9bf70 RDI: ffff9f1cbac9bf70 # [ 54.197045] RBP: ffffaf2282367e18 R08: 0000000000000000 R09: 0000000000000000 # [ 54.205026] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 54.212999] R13: ffffaf2282367f10 R14: ffffaf2282367f10 R15: ffff9f1c43de9000 # [ 54.227179] FS: 00007fb3b3edf580(0000) GS:ffff9f1cbac80000(0000) knlGS:0000000000000000 # [ 54.236213] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.242628] CR2: ffffaf2282367e18 CR3: 00000001032e6006 CR4: 00000000003706e0 # [ 54.250594] Call Trace: # [ 54.253321] ? execute_location+0x45/0x56 # [ 54.257796] ? lkdtm_EXEC_STACK+0x26/0x44 # [ 54.268481] ? direct_entry.cold+0x2c/0x38 # [ 54.273052] ? full_proxy_write+0x53/0x80 # [ 54.277527] ? vfs_write+0xe7/0x3a0 # [ 54.287628] ? ksys_write+0x68/0xf0 # [ 54.291510] ? do_syscall_64+0x30/0x40 # [ 54.295692] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 54.301529] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_[ 60.594451] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW [ 60.605035] lkdtm: attempting good refcount_inc() without overflow [ 60.611961] lkdtm: attempting bad refcount_inc() overflow [ 60.618012] ------------[ cut here ]------------ lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros[ 60.623177] refcount_t: saturated; leaking memory. [ 60.634745] WARNING: CPU: 3 PID: 2053 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 _usbpd_notify # [ 54.334158] CR2: ffffaf2282367e18 # [ 54.[ 60.644180] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 60.676846] CPU: 3 PID: 2053 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 60.685495] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 60.692302] RIP: 0010:refcount_warn_saturate+0x51/0x110 [ 60.698135] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d cd 49 94 01 00 75 ee 48 c7 c7 c0 64 12 85 c6 05 bd 49 94 01 01 e8 6a 66 98 00 <0f> 0b c3 cc cc cc cc 80 3d a9 49 94 01 00 75 cb 48 c7 c7 e8 64 12 [ 60.719118] RSP: 0018:ffffaf228292fe48 EFLAGS: 00010286 [ 60.724956] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 337854] ---[ end trace 82f3067a6a326e4e ]--- # [ 54.343021] R[ 60.732932] RDX: ffff9f1cbadac660 RSI: ffff9f1cbad9bf70 RDI: ffff9f1cbad9bf70 IP: 0010:lkdtm_BUG+0x5/0x10 # [ 54.347405] Code: 89 ff e8 2e [ 60.747119] RBP: ffffffff8518aa85 R08: 0000000000000000 R09: 0000000000000000 b6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc c[ 60.761304] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 [ 60.775489] R13: ffffaf228292ff10 R14: ffffaf228292ff10 R15: ffff9f1c43dea000 [ 60.783466] FS: 00007f5427c6f580(0000) GS:ffff9f1cbad80000(0000) knlGS:0000000000000000 [ 60.792503] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.798920] CR2: 00007f5427a78000 CR3: 00000001047f4003 CR4: 00000000003706e0 [ 60.806888] Call Trace: [ 60.809618] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 [ 60.815014] direct_entry.cold+0x2c/0x38 [ 60.819448] full_proxy_write+0x53/0x80 c cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f [ 60.823744] vfs_write+0xe7/0x3a0 [ 60.833646] ksys_write+0x68/0xf0 [ 60.837346] do_syscall_64+0x30/0x40 [ 60.841360] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 60.847016] RIP: 0033:0x7f5427b858f3 [ 60.851037] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 60.872030] RSP: 002b:00007fff4ef0c218 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 60.880487] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f5427b858f3 [ 60.888458] RDX: 0000000000000016 RSI: 00007f5427a78000 RDI: 0000000000000001 [ 60.896427] RBP: 00007f5427a78000 R08: 00007f5427a77010 R09: 0000000000000000 [ 60.904397] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 60.912368] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 60.920343] irq event stamp: 0 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 fc 93 02 # [ 54.[ 60.923774] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 60.936986] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 60.946121] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 60.955257] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 60.962257] ---[ end trace 82f3067a6a326e59 ]--- [ 60.967411] lkdtm: Overflow detected: saturated 374594] RSP: 0018:ffffaf22814f7e60 EFLAGS: 00010286 # [ 54.380426] RAX: ffffffff840de890 RBX: 0000000000000001 RCX: 0000000000000000 # [ 54.388393] RDX: 0000000000000000 RSI: ffff9f1cbac9bf70 RDI: ffffffff84d9ae90 # [ 54.396360] RBP: ffffffff851e5df0 R08: 0000000000000001 R09: 0000000000000001 # [ 54.404326] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 54.412293] R13: ffffaf22814f7f10 R14: ffffaf22814f7f10 R15: ffff9f1c44c51000 # [ 54.420261] FS: 00007fb3b3edf580(0000) GS:ffff9f1cbac80000(0000) knlGS:0000000000000000 # [ 54.429296] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.435709] CR2: ffffaf2282367e18 CR3: 00000001032e6006 CR4: 00000000003706e0 # EXEC_STACK: saw 'call trace:': ok ok 31 selftests: lkdtm: EXEC_STACK.sh # selftests: lkdtm: EXEC_KMALLOC.sh # Killed # [ 54.535326] lkdtm: Performing direct entry EXEC_KMALLOC # [ 54.542747] lkdtm: attempting ok execution at ffffffff840dec60 # [ 54.549272] lkdtm: attempting bad execution at ffff9f1c45714000 # [ 54.555897] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 54.564261] BUG: unable to handle page fault for address: ffff9f1c45714000 # [ 54.571941] #PF: supervisor instruction fetch in kernel mode [ 61.090823] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 54.578260] #PF: error_code(0x0011) - permissions violation[ 61.103625] lkdtm: attempting good refcount_add() without overflow # [ 54.584480] PGD 15e201067 P4D 15e201067 PUD 10084e063 PMD[ 61.116745] lkdtm: attempting bad refcount_add() overflow 105768063 PTE 8000000105714063 # [ 54.599735] Oops: 0011 [#7[ 61.128995] ------------[ cut here ]------------ ] SMP PTI # [ 54.603625] CPU: 3 PID: 1699 Comm: cat Tainted: [ 61.140356] refcount_t: saturated; leaking memory. G D W 5.10.145-cip17 #1 # [ 54.612272] Hardware [ 61.151985] WARNING: CPU: 0 PID: 2085 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 54.619075] R[ 61.167580] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify IP: 0010:0xffff9f1c45714000 # [ 54.623443] Code: 00 00 00 00 [ 61.200242] CPU: 0 PID: 2085 Comm: cat Tainted: G D W 5.10.145-cip17 #1 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0[ 61.215085] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <0f> 1f 44 00 [ 61.228124] RIP: 0010:refcount_warn_saturate+0x51/0x110 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 # [ 54.[ 61.240153] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d cd 49 94 01 00 75 ee 48 c7 c7 c0 64 12 85 c6 05 bd 49 94 01 01 e8 6a 66 98 00 <0f> 0b c3 cc cc cc cc 80 3d a9 49 94 01 00 75 cb 48 c7 c7 e8 64 12 644411] RSP: 0018:ffffaf2282417e38 EFLAGS: 00010246 # [ 54.65[ 61.267372] RSP: 0018:ffffaf22829b7e48 EFLAGS: 00010286 0242] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 000000000[ 61.279402] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 0000000 # [ 54.658209] RDX: 0000000000000000 RSI: ffff9f1cbad[ 61.293603] RDX: ffff9f1cbac2c660 RSI: ffff9f1cbac1bf70 RDI: ffff9f1cbac1bf70 9bf70 RDI: ffff9f1cbad9bf70 # [ 54.666175] RBP: ffff9f1c45714[ 61.307775] RBP: ffffffff8518aa9b R08: 0000000000000000 R09: 0000000000000000 000 R08: 0000000000000000 R09: 0000000000000000 # [ 54.674140[ 61.321987] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 ] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000[ 61.336150] R13: ffffaf22829b7f10 R14: ffffaf22829b7f10 R15: ffff9f1c43537000 00d # [ 54.682107] R13: ffffaf2282417f10 R14: ffffaf2282417f1[ 61.350363] FS: 00007f7f9eaec580(0000) GS:ffff9f1cbac00000(0000) knlGS:0000000000000000 0 R15: ffff9f1c457ba000 # [ 54.690075] FS: 00007f76f05f7580([ 61.365597] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 0000) GS:ffff9f1cbad80000(0000) knlGS:0000000000000000 # [ 54[ 61.378252] CR2: 00007f7f9e8f5000 CR3: 0000000103546002 CR4: 00000000003706f0 .699109] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ [ 61.392417] Call Trace: 54.705522] CR2: ffff9f1c45714000 CR3: 0000000104e40001 CR4: 00[ 61.401392] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 000000003706e0 # [ 54.713488] Call Trace: # [ 54.716215] [ 61.412933] direct_entry.cold+0x2c/0x38 ? execute_location+0x45/0x56 # [ 54.720690] ? lkdtm_EXEC_KMA[ 61.423546] full_proxy_write+0x53/0x80 LLOC+0x2c/0x40 # [ 54.725357] ? direct_entry.cold+0x2c/0x38[ 61.434048] vfs_write+0xe7/0x3a0 # [ 54.729930] ? full_proxy_write+0x53/0x80 # [ 54.734403[ 61.443988] ksys_write+0x68/0xf0 ] ? vfs_write+0xe7/0x3a0 # [ 54.738295] ? ksys_write+0x68/0[ 61.453861] do_syscall_64+0x30/0x40 xf0 # [ 54.742187] ? do_syscall_64+0x30/0x40 # [ 54.74636[ 61.464085] entry_SYSCALL_64_after_hwframe+0x61/0xc6 8] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 54.752195][ 61.475922] RIP: 0033:0x7f7f9ea028f3 Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_senso[ 61.486159] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 rs_core industrialio_triggered_buffer kfifo_buf industrialio cro[ 61.513333] RSP: 002b:00007ffc2b7b2158 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 s_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros[ 61.528050] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f7f9ea028f3 _ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify[ 61.542199] RDX: 0000000000000016 RSI: 00007f7f9e8f5000 RDI: 0000000000000001 # [ 54.778648] CR2: ffff9f1c45714000 # [ 54.788554] ---[ [ 61.556396] RBP: 00007f7f9e8f5000 R08: 00007f7f9e8f4010 R09: 0000000000000000 end trace 82f3067a6a326e4f ]--- # [ 54.793705] RIP: 0010:lkdt[ 61.570568] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 m_BUG+0x5/0x10 # [ 54.798080] Code: 89 ff e8 2e b6 a3 ff 48 c[ 61.584767] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7[ 61.598939] irq event stamp: 0 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 0[ 61.608562] hardirqs last enabled at (0): [<0000000000000000>] 0x0 0 00 00 0f 1f 44 00 00 83 05 80 fc 93 02 # [ 54.819058] RSP: [ 61.621800] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 0018:ffffaf22814f7e60 EFLAGS: 00010286 # [ 54.824890] RAX: ff[ 61.637142] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 ffffff840de890 RBX: 0000000000000001 RCX: 0000000000000000 # [ [ 61.652531] softirqs last disabled at (0): [<0000000000000000>] 0x0 54.832857] RDX: 0000000000000000 RSI: ffff9f1cbac9bf70 RDI: ff[ 61.665717] ---[ end trace 82f3067a6a326e5a ]--- ffffff84d9ae90 # [ 54.840824] RBP: ffffffff851e5df0 R08: 0000[ 61.677097] lkdtm: Overflow detected: saturated 000000000001 R09: 0000000000000001 # [ 54.848791] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 54.856758] R13: ffffaf22814f7f10 R14: ffffaf22814f7f10 R15: ffff9f1c44c51000 # [ 54.864724] FS: 00007f76f05f7580(0000) GS:ffff9f1cbad80000(0000) knlGS:0000000000000000 # [ 54.873759] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.880172] CR2: ffff9f1c45714000 CR3: 0000000104e40001 CR4: 00000000003706e0 # [ 54.888139] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 54.898048] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1699, name: cat # [ 54.906500] INFO: lockdep is turned off. # [ 54.910874] irq event stamp: 0 # [ 54.914277] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 54.921275] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 54.930406] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 54.939537] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 54.946535] CPU: 3 PID: 1699 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 54.955182] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 54.961999] Call Trace: # [ 54.964727] dump_stack+0x77/0x9b # [ 54.968424] ___might_sleep.cold+0xa6/0xb6 # [ 54.972994] exit_signals+0x1c/0x2e0 # [ 54.976982[ 61.822734] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW ] do_exit+0xd5/0xb00 # [ 54.980484] ? ksys_write+0x68/0xf0[ 61.832679] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 54.984367] rewind_stack_do_exit+0x17/0x20 # [ 54.9890[ 61.845796] ------------[ cut here ]------------ [ 61.857160] refcount_t: saturated; leaking memory. 34] RIP: 0033:0x7f76f050d8f3 # [ 54.993029] Code: 8b 15 a1 25[ 61.862542] WARNING: CPU: 1 PID: 2117 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b [ 61.878149] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0[ 61.910785] CPU: 1 PID: 2117 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 61.925649] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 55[ 61.932460] RIP: 0010:refcount_warn_saturate+0x97/0x110 [ 61.944502] Code: 01 01 e8 47 66 98 00 0f 0b c3 cc cc cc cc 80 3d 88 49 94 01 00 75 a8 48 c7 c7 c0 64 12 85 c6 05 78 49 94 01 01 e8 24 66 98 00 <0f> 0b c3 cc cc cc cc 80 3d 62 49 94 01 00 75 85 48 c7 c7 18 65 12 .013996] RSP: 002b:00007ffdaa8fb6d8 EFLAGS: 00000246 ORIG_RAX: 0[ 61.965481] RSP: 0018:ffffaf2282a07e38 EFLAGS: 00010282 000000000000001 # [ 55.022448] RAX: ffffffffffffffda RBX: 000[ 61.977530] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 000000000000d RCX: 00007f76f050d8f3 # [ 55.030416] RDX: 00000[ 61.991713] RDX: ffff9f1cbacac660 RSI: ffff9f1cbac9bf70 RDI: ffff9f1cbac9bf70 0000000000d RSI: 00007f76f0400000 RDI: 0000000000000001 # [ 5[ 62.005900] RBP: ffffffff8518a6d8 R08: 0000000000000000 R09: 0000000000000000 [ 62.020085] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f 5.038382] RBP: 00007f76f0400000 R08: 00007f76f03ff010 R09: 00000[ 62.028057] R13: ffffaf2282a07f10 R14: ffffaf2282a07f10 R15: ffff9f1c45c74000 00000000000 # [ 55.046349] R10: fffffffffffffbc5 R11: 0000000[ 62.042241] FS: 00007fc2b14e1580(0000) GS:ffff9f1cbac80000(0000) knlGS:0000000000000000 000000246 R12: 0000000000000001 # [ 55.054317] R13: 000000000[ 62.057519] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 0000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_KMAL[ 62.070130] CR2: 00007fc2b12ea000 CR3: 000000010560e004 CR4: 00000000003706e0 [ 62.084312] Call Trace: LOC: saw 'call trace:': ok ok 32 selftests: lkdtm: EXEC_KMALLOC[ 62.087046] __refcount_add_not_zero.constprop.0+0x2a/0x35 .sh # selftests: lkdtm: EXEC_VMALLOC.sh # Killed # [ 55.169[ 62.099379] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 [ 62.111840] direct_entry.cold+0x2c/0x38 858] lkdtm: Performing direct entry EXEC_VMALLOC # [ 55.18005[ 62.116223] full_proxy_write+0x53/0x80 4] lkdtm: attempting ok execution at ffffffff840dec60 # [ 55.[ 62.126711] vfs_write+0xe7/0x3a0 192780] lkdtm: attempting bad execution at ffffaf22806c7000 # [[ 62.136626] ksys_write+0x68/0xf0 55.199409] kernel tried to execute NX-protected page - exploi[ 62.146541] do_syscall_64+0x30/0x40 t attempt? (uid: 0) # [ 55.207770] BUG: unable to handle page[ 62.156744] entry_SYSCALL_64_after_hwframe+0x61/0xc6 fault for address: ffffaf22806c7000 # [ 55.215450] #PF: supe[ 62.168599] RIP: 0033:0x7fc2b13f78f3 [ 62.178804] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 rvisor instruction fetch in kernel mode # [ 55.221768] #PF: e[ 62.199789] RSP: 002b:00007ffd19a33b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 62.214454] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fc2b13f78f3 rror_code(0x0011) - permissions violation # [ 55.227980] PGD [ 62.222428] RDX: 000000000000001f RSI: 00007fc2b12ea000 RDI: 0000000000000001 [ 62.236608] RBP: 00007fc2b12ea000 R08: 00007fc2b12e9010 R09: 0000000000000000 100000067 P4D 100000067 PUD 100211067 PMD 105504067 PTE 80000001[ 62.244581] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 62.258757] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 03f16063 # [ 55.243237] Oops: 0011 [#8] SMP PTI # [ 55.247[ 62.266734] irq event stamp: 0 130] CPU: 2 PID: 1735 Comm: cat Tainted: G D W 5.10[ 62.276348] hardirqs last enabled at (0): [<0000000000000000>] 0x0 .145-cip17 #1 # [ 55.255776] Hardware name: Google Rammus/Ram[ 62.289563] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 mus, BIOS 09/04/2020 # [ 55.262581] RIP: 0010:0xffffaf22806c[ 62.304916] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 7000 # [ 55.266978] Code: Unable to access opcode bytes at RI[ 62.320270] softirqs last disabled at (0): [<0000000000000000>] 0x0 P 0xffffaf22806c6fd6. # [ 55.274652] RSP: 0018:ffffaf22824afe[ 62.333486] ---[ end trace 82f3067a6a326e5b ]--- 38 EFLAGS: 00010246 # [ 55.280485] RAX: 0000000000000033 RBX:[ 62.344857] lkdtm: Overflow detected: saturated 0000000000000001 RCX: 0000000000000000 # [ 55.288450] RDX: 0000000000000000 RSI: ffff9f1cbad1bf70 RDI: ffff9f1cbad1bf70 # [ 55.296415] RBP: ffffaf22806c7000 R08: 0000000000000000 R09: 0000000000000000 # [ 55.304385] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 55.312355] R13: ffffaf22824aff10 R14: ffffaf22824aff10 R15: ffff9f1c43f16000 # [ 55.320323] FS: 00007fb9dd1e4580(0000) GS:ffff9f1cbad00000(0000) knlGS:0000000000000000 # [ 55.329353] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.335766] CR2: ffffaf22806c6fd6 CR3: 0000000105592002 CR4: 00000000003706e0 # [ 55.343735] Call Trace: # [ 55.346464] ? execute_location+0x45/0x56 # [ 55.350940] ? lkdtm_EXEC_VMALLOC+0x20/0x30 # [ 55.355606] ? direct_entry.cold+0x2c/0x38 # [ 55.360177] ? full_proxy_write+0x53/0x80 # [ 55.364650] ? vfs_write+0xe7/0x3a0 # [ 55.368542] ? ksys_write+0x68/0xf0 # [ 55.372425] ? do_syscall_64+0x30/0x40 # [ 55.376608] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 55.382442] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_[ 62.468390] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW ec_debugfs cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_therm[ 62.481813] lkdtm: attempting bad refcount_add_not_zero() overflow al cros_ec_dev cros_usbpd_notify # [ 55.408894] CR2: ffffaf22[ 62.494934] ------------[ cut here ]------------ 806c7000 # [ 55.418801] ---[ end trace 82f3067a6a326e50 ]---[ 62.506300] refcount_t: saturated; leaking memory. # [ 55.423977] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 55.428355][ 62.517891] WARNING: CPU: 1 PID: 2149 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 Code: 89 ff e8 2e b6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 [ 62.533504] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 0[ 62.566139] CPU: 1 PID: 2149 Comm: cat Tainted: G D W 5.10.145-cip17 #1 0 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 [ 62.581006] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 fc 93 02 # [ 55.449332] RSP: 0018:ffffaf22814f7e60 EFLAGS: 00[ 62.594037] RIP: 0010:refcount_warn_saturate+0x97/0x110 010286 # [ 55.455162] RAX: ffffffff840de890 RBX: 000000000000[ 62.606087] Code: 01 01 e8 47 66 98 00 0f 0b c3 cc cc cc cc 80 3d 88 49 94 01 00 75 a8 48 c7 c7 c0 64 12 85 c6 05 78 49 94 01 01 e8 24 66 98 00 <0f> 0b c3 cc cc cc cc 80 3d 62 49 94 01 00 75 85 48 c7 c7 18 65 12 0001 RCX: 0000000000000000 # [ 55.463129] RDX: 00000000000000[ 62.633310] RSP: 0018:ffffaf2282a6fe38 EFLAGS: 00010282 00 RSI: ffff9f1cbac9bf70 RDI: ffffffff84d9ae90 # [ 55.471095][ 62.645342] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 RBP: ffffffff851e5df0 R08: 0000000000000001 R09: 00000000000000[ 62.659528] RDX: ffff9f1cbacac660 RSI: ffff9f1cbac9bf70 RDI: ffff9f1cbac9bf70 01 # [ 55.479061] R10: 00000000ffffe000 R11: 3fffffffffffffff[ 62.673717] RBP: ffffffff8518a6f8 R08: 0000000000000000 R09: 0000000000000000 R12: 0000000000000004 # [ 55.487027] R13: ffffaf22814f7f10 R[ 62.687904] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f 14: ffffaf22814f7f10 R15: ffff9f1c44c51000 # [ 55.494994] FS:[ 62.702093] R13: ffffaf2282a6ff10 R14: ffffaf2282a6ff10 R15: ffff9f1c43f12000 00007fb9dd1e4580(0000) GS:ffff9f1cbad00000(0000) knlGS:0000000[ 62.716281] FS: 00007fc0d8ceb580(0000) GS:ffff9f1cbac80000(0000) knlGS:0000000000000000 000000000 # [ 55.504041] CS: 0010 DS: 0000 ES: 0000 CR0: 000[ 62.731534] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 0000080050033 # [ 55.510456] CR2: ffffaf22806c6fd6 CR3: 00000[ 62.744167] CR2: 00007fc0d8af4000 CR3: 00000001033b2002 CR4: 00000000003706e0 00105592002 CR4: 00000000003706e0 # EXEC_VMALLOC: saw 'call tra[ 62.758356] Call Trace: ce:': ok ok 33 selftests: lkdtm: EXEC_VMALLOC.sh # selftests: [ 62.767302] __refcount_add_not_zero.constprop.0+0x2a/0x35 lkdtm: EXEC_RODATA.sh # Killed # [ 55.635001] lkdtm: Perform[ 62.779642] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 ing direct entry EXEC_RODATA # [ 55.642295] lkdtm: attempting[ 62.792081] direct_entry.cold+0x2c/0x38 ok execution at ffffffff840dec60 # [ 55.655029] lkdtm: attem[ 62.802678] full_proxy_write+0x53/0x80 pting bad execution at ffffffff84d9b320 # [ 55.667853] kernel[ 62.813174] vfs_write+0xe7/0x3a0 tried to execute NX-protected page - exploit attempt? (uid: 0)[ 62.823085] ksys_write+0x68/0xf0 # [ 55.682420] BUG: unable to handle page fault for address: [ 62.833014] do_syscall_64+0x30/0x40 ffffffff84d9b320 # [ 55.690097] #PF: supervisor instruction f[ 62.843203] entry_SYSCALL_64_after_hwframe+0x61/0xc6 etch in kernel mode # [ 55.696405] #PF: error_code(0x0011) - [ 62.855058] RIP: 0033:0x7fc0d8c018f3 permissions violation # [ 55.702624] PGD 15ca29067 P4D 15ca29[ 62.865261] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 067 PUD 15ca2a063 PMD 800000015c2000e1 # [ 55.710401] Oops: [ 62.892457] RSP: 002b:00007ffc50462188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 62.907128] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fc0d8c018f3 0011 [#9] SMP PTI # [ 55.720502] CPU: 1 PID: 1771 Comm: cat T[ 62.915101] RDX: 000000000000001f RSI: 00007fc0d8af4000 RDI: 0000000000000001 [ 62.929281] RBP: 00007fc0d8af4000 R08: 00007fc0d8af3010 R09: 0000000000000000 ainted: G D W 5.10.145-cip17 #1 # [ 55.729140] H[ 62.937254] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 62.951434] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 55.7[ 62.959430] irq event stamp: 0 [ 62.969027] hardirqs last enabled at (0): [<0000000000000000>] 0x0 35948] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 # [ 55.7417[ 62.976031] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 62.991374] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 10] Code: ff ff f8 da 76 84 ff ff ff ff 42 ac 18 85 ff ff ff ff [ 63.000512] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 63.013721] ---[ end trace 82f3067a6a326e5c ]--- 3e c2 76 84 ff ff ff ff 55 aa 55 aa 00 00 00 00 00 00 00 00 00 0[ 63.018881] lkdtm: Overflow detected: saturated 0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 54 68 69 73 20 69 # [ 55.768896] RSP: 0018:ffffaf22821efe48 EFLAGS: 00010246 # [ 55.774728] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 55.782687] RDX: 0000000000000000 RSI: ffff9f1cbac9bf70 RDI: ffff9f1cbac9bf70 # [ 55.790655] RBP: ffffffff84d9b320 R08: 0000000000000000 R09: 0000000000000000 # [ 55.798622] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 55.806589] R13: ffffaf22821eff10 R14: ffffaf22821eff10 R15: ffff9f1c43373000 # [ 55.814557] FS: 00007efec8a54580(0000) GS:ffff9f1cbac80000(0000) knlGS:0000000000000000 # [ 55.823593] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.830026] CR2: ffffffff84d9b320 CR3: 00000001054a2004 CR4: 00000000003706e0 # [ 55.837994] Call Trace: # [ 55.840712] ? execute_location+0x45/0x56 # [ 55.845187] ? direct_entry.cold+0x2c/0x38 # [ 55.855978] ? full_proxy_write+0x53/0x80 # [ 55.860454] ? vfs_write+0xe7/0x3a0 # [ 55.870553] ? ksys_write+0x68/0xf0 # [ 55.874446] ? do_syscall_64+0x30/0x40 # [ 55.878630] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 55.890676] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_trigger[ 63.149289] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO [ 63.160850] lkdtm: attempting good refcount_dec() [ 63.166162] lkdtm: attempting bad refcount_dec() to zero ed_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs c[ 63.172128] ------------[ cut here ]------------ ros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_t[ 63.183482] refcount_t: decrement hit 0; leaking memory. [ 63.195640] WARNING: CPU: 2 PID: 2181 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 [ 63.205073] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify hermal cros_ec_dev cros_usbpd_notify # [ 55.923303] CR2: ffff[ 63.231545] CPU: 2 PID: 2181 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 63.246427] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 ffff84d9b320 # [ 55.926999] ---[ end trace 82f3067a6a326e51 ][ 63.253249] RIP: 0010:refcount_warn_saturate+0xfb/0x110 [ 63.265288] Code: 70 65 12 85 c6 05 29 49 94 01 01 e8 da 65 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 40 65 12 85 c6 05 10 49 94 01 01 e8 c0 65 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b [ 63.286272] RSP: 0018:ffffaf2282ad7e48 EFLAGS: 00010286 [ 63.292107] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 [ 63.300078] RDX: ffff9f1cbad2c660 RSI: ffff9f1cbad1bf70 RDI: ffff9f1cbad1bf70 [ 63.308047] RBP: ffffffff8518aab1 R08: 0000000000000000 R09: 0000000000000000 [ 63.316028] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 63.323998] R13: ffffaf2282ad7f10 R14: ffffaf2282ad7f10 R15: ffff9f1c45573000 [ 63.331986] FS: 00007fee636f5580(0000) GS:ffff9f1cbad00000(0000) knlGS:0000000000000000 --- # [ 55.932143] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 55.936[ 63.341030] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.353656] CR2: 00007fee634fe000 CR3: 0000000105532004 CR4: 00000000003706e0 [ 63.361627] Call Trace: [ 63.364357] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd [ 63.369345] direct_entry.cold+0x2c/0x38 [ 63.373750] full_proxy_write+0x53/0x80 [ 63.378056] vfs_write+0xe7/0x3a0 [ 63.381780] ksys_write+0x68/0xf0 [ 63.385481] do_syscall_64+0x30/0x40 [ 63.389495] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 63.395137] RIP: 0033:0x7fee6360b8f3 [ 63.399126] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 63.420107] RSP: 002b:00007ffd40c0efa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 63.428564] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fee6360b8f3 [ 63.436535] RDX: 0000000000000012 RSI: 00007fee634fe000 RDI: 0000000000000001 [ 63.444504] RBP: 00007fee634fe000 R08: 00007fee634fd010 R09: 0000000000000000 509] Code: 89 ff e8 2e b6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7[ 63.452475] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 63.466661] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f [ 63.474638] irq event stamp: 0 [ 63.484252] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 63.491284] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 63.500420] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 63.509558] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 63.516560] ---[ end trace 82f3067a6a326e5d ]--- [ 63.521716] lkdtm: Zero detected: saturated 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 fc 93 02 # [ 55.957484] RSP: 0018:ffffaf22814f7e60 EFLAGS: 00010286 # [ 55.963306] RAX: ffffffff840de890 RBX: 0000000000000001 RCX: 0000000000000000 # [ 55.971274] RDX: 0000000000000000 RSI: ffff9f1cbac9bf70 RDI: ffffffff84d9ae90 # [ 55.979242] RBP: ffffffff851e5df0 R08: 0000000000000001 R09: 0000000000000001 # [ 55.987209] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 55.995175] R13: ffffaf22814f7f10 R14: ffffaf22814f7f10 R15: ffff9f1c44c51000 # [ 56.003141] FS: 00007efec8a54580(0000) GS:ffff9f1cbac80000(0000) knlGS:0000000000000000 # [ 56.012175] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.018589] CR2: ffffffff84d9b320 CR3: 00000001054a2004 CR4: 00000000003706e0 # EXEC_RODATA: saw 'call trace:': ok ok 34 selftests: lkdtm: EXEC_RODATA.sh # selftests: lkdtm: EXEC_USERSPACE.sh # Killed # [ 56.125597] lkdtm: Performing direct entry EXEC_USERSPACE # [ 56.132035] lkdtm: attempting ok execution at ffffffff840dec60 # [ 56.144771] lkdtm: attempting bad execution at 00007f1f5d136000 # [ 56.157613] unable to execute userspace code (SMEP?) (uid: 0) # [ 56.170219] BUG: unable to handle page fault for address: 00007f1f5d136000 # [ 56.177897] #PF: supervisor instruction fetch in kernel mode # [ 56.184232] #PF: error_code(0x0011) - permissions violation # [ 56.190451] PGD 80000001056ba067 P4D 80000001056ba067 PUD 103f0b067 PMD 1055d6067 PTE 1140bb067 # [ 56.206386[ 63.669886] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE ] Oops: 0011 [#10] SMP PTI # [ 56.210365] CPU: 1 PID: 1807 Co[ 63.682329] lkdtm: attempting bad refcount_dec() below zero mm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 56.[ 63.694771] ------------[ cut here ]------------ 219028] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 #[ 63.706172] refcount_t: decrement hit 0; leaking memory. [ 56.225833] RIP: 0010:0x7f1f5d136000 # [ 56.229818] Code:[ 63.718362] WARNING: CPU: 0 PID: 2216 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 Unable to access opcode bytes at RIP 0x7f1f5d135fd6. # [ 56.[ 63.733996] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 237104] RSP: 0018:ffffaf2282597e50 EFLAGS: 00010246 # [ 56.24[ 63.766654] CPU: 0 PID: 2216 Comm: cat Tainted: G D W 5.10.145-cip17 #1 2937] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 000000000[ 63.781509] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 0000000 # [ 56.250904] RDX: 0000000000000000 RSI: ffff9f1cbac[ 63.794576] RIP: 0010:refcount_warn_saturate+0xfb/0x110 9bf70 RDI: ffff9f1cbac9bf70 # [ 56.258871] RBP: 00007f1f5d136[ 63.806590] Code: 70 65 12 85 c6 05 29 49 94 01 01 e8 da 65 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 40 65 12 85 c6 05 10 49 94 01 01 e8 c0 65 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 000 R08: 0000000000000000 R09: 0000000000000000 # [ 56.266838[ 63.833808] RSP: 0018:ffffaf2282b97e48 EFLAGS: 00010286 ] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000[ 63.845901] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 00f # [ 56.274805] R13: ffffaf2282597f10 R14: ffffaf2282597f1[ 63.860060] RDX: ffff9f1cbac2c660 RSI: ffff9f1cbac1bf70 RDI: ffff9f1cbac1bf70 0 R15: ffff9f1c426b2000 # [ 56.282774] FS: 00007f1f5d107580([ 63.874214] RBP: ffffffff8518aac3 R08: 0000000000000000 R09: 0000000000000000 0000) GS:ffff9f1cbac80000(0000) knlGS:0000000000000000 # [ 56[ 63.888417] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 .291810] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ [ 63.902574] R13: ffffaf2282b97f10 R14: ffffaf2282b97f10 R15: ffff9f1c456da000 56.298223] CR2: 00007f1f5d136000 CR3: 000000010357c003 CR4: 00[ 63.916813] FS: 00007fa48fe4c580(0000) GS:ffff9f1cbac00000(0000) knlGS:0000000000000000 000000003706e0 # [ 56.306189] Call Trace: # [ 56.308917] [ 63.932050] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 ? lkdtm_EXEC_USERSPACE.cold+0x66/0xae # [ 56.314263] ? direc[ 63.944697] CR2: 00007fa48fc55000 CR3: 00000001054ba005 CR4: 00000000003706f0 t_entry.cold+0x2c/0x38 # [ 56.325047] ? full_proxy_write+0x5[ 63.958881] Call Trace: 3/0x80 # [ 56.329522] ? vfs_write+0xe7/0x3a0 # [ 56.33962[ 63.967854] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 2] ? ksys_write+0x68/0xf0 # [ 56.343514] ? do_syscall_64+0x[ 63.979405] direct_entry.cold+0x2c/0x38 30/0x40 # [ 56.347697] ? entry_SYSCALL_64_after_hwframe+0x61[ 63.990051] full_proxy_write+0x53/0x80 /0xc6 # [ 56.359744] Modules linked in: fuse ip_tables cros_e[ 64.000507] vfs_write+0xe7/0x3a0 c_sensors cros_ec_sensors_core industrialio_triggered_buffer kfi[ 64.010449] ksys_write+0x68/0xf0 fo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_debugf[ 64.020365] do_syscall_64+0x30/0x40 s cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_e[ 64.030570] entry_SYSCALL_64_after_hwframe+0x61/0xc6 c_dev cros_usbpd_notify # [ 56.392375] CR2: 00007f1f5d136000[ 64.042419] RIP: 0033:0x7fa48fd628f3 # [ 56.396072] ---[ end trace 82f3067a6a326e52 ]--- # [ 56[ 64.052691] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 .401226] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 56.405600] Code: 89[ 64.079838] RSP: 002b:00007ffe6f37ba58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 ff e8 2e b6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff [ 64.094511] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fa48fd628f3 ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f>[ 64.108688] RDX: 0000000000000016 RSI: 00007fa48fc55000 RDI: 0000000000000001 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 fc 93 02[ 64.122861] RBP: 00007fa48fc55000 R08: 00007fa48fc54010 R09: 0000000000000000 # [ 56.426581] RSP: 0018:ffffaf22814f7e60 EFLAGS: 00010286 #[ 64.137068] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 56.432412] RAX: ffffffff840de890 RBX: 0000000000000001 RCX:[ 64.151270] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0000000000000000 # [ 56.440382] RDX: 0000000000000000 RSI: f[ 64.165467] irq event stamp: 0 fff9f1cbac9bf70 RDI: ffffffff84d9ae90 # [ 56.448348] RBP: fff[ 64.175072] hardirqs last enabled at (0): [<0000000000000000>] 0x0 fffff851e5df0 R08: 0000000000000001 R09: 0000000000000001 # [ [ 64.188290] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 56.456317] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000[ 64.203711] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 0000000000004 # [ 56.464285] R13: ffffaf22814f7f10 R14: ffffa[ 64.219083] softirqs last disabled at (0): [<0000000000000000>] 0x0 f22814f7f10 R15: ffff9f1c44c51000 # [ 56.472254] FS: 00007f1[ 64.232300] ---[ end trace 82f3067a6a326e5e ]--- f5d107580(0000) GS:ffff9f1cbac80000(0000) knlGS:0000000000000000[ 64.243690] lkdtm: Negative detected: saturated # [ 56.481282] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.487696] CR2: 00007f1f5d136000 CR3: 000000010357c003 CR4: 00000000003706e0 # [ 56.495662] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 56.505573] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1807, name: cat # [ 56.514027] INFO: lockdep is turned off. # [ 56.518394] irq event stamp: 0 # [ 56.521797] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 56.528796] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 56.537920] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 56.547055] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 56.554054] CPU: 1 PID: 1807 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 56.562703] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 56.569506] Call Trace: # [ 56.572232] dump_stack+0x77/0x9b # [ 56.575932] ___might_sleep.cold+0xa6/0xb6 # [ 56.580504] exit_signals+0x1c/0x2e0 # [ 56.584493] do_exit+0xd5/0xb00 # [ 56.587988] ? ksys_write+0x68/0xf0 # [ 56.591881] rewind_stack_do_exit+0x17/0x20 # [ 56.596550] RIP: 0033:0x7f1f5d01d8f3 # [ 56.606749] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff f[ 64.379862] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE f eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00[ 64.393143] lkdtm: attempting bad refcount_dec_and_test() below zero 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 4[ 64.406471] ------------[ cut here ]------------ 8 89 54 24 18 # [ 56.627728] RSP: 002b:00007ffe21d09b28 EFLAG[ 64.417836] refcount_t: underflow; use-after-free. S: 00000246 ORIG_RAX: 0000000000000001 # [ 56.636172] RAX: ff[ 64.429458] WARNING: CPU: 0 PID: 2251 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 ffffffffffffda RBX: 000000000000000f RCX: 00007f1f5d01d8f3 # [ [ 64.445053] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 56.644139] RDX: 000000000000000f RSI: 00007f1f5cf10000 RDI: 00[ 64.477707] CPU: 0 PID: 2251 Comm: cat Tainted: G D W 5.10.145-cip17 #1 00000000000001 # [ 56.652107] RBP: 00007f1f5cf10000 R08: 0000[ 64.492594] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 7f1f5cf0f010 R09: 0000000000000000 # [ 56.660075] R10: ffffff[ 64.505639] RIP: 0010:refcount_warn_saturate+0xba/0x110 fffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 56[ 64.517678] Code: 01 01 e8 24 66 98 00 0f 0b c3 cc cc cc cc 80 3d 62 49 94 01 00 75 85 48 c7 c7 18 65 12 85 c6 05 52 49 94 01 01 e8 01 66 98 00 <0f> 0b c3 cc cc cc cc 80 3d 3d 49 94 01 00 0f 85 5e ff ff ff 48 c7 .668042] R13: 0000000000000001 R14: 0000000000020000 R15: 000000[ 64.544916] RSP: 0018:ffffaf2282c17e40 EFLAGS: 00010286 0000020000 # EXEC_USERSPACE: saw 'call trace:': ok ok 35 selft[ 64.556954] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 ests: lkdtm: EXEC_USERSPACE.sh # selftests: lkdtm: EXEC_NULL.sh[ 64.571203] RDX: ffff9f1cbac2c660 RSI: ffff9f1cbac1bf70 RDI: ffff9f1cbac1bf70 # Killed # [ 56.815890] lkdtm: Performing direct entry EXEC[ 64.585388] RBP: ffffffff8518a718 R08: 0000000000000000 R09: 0000000000000000 _NULL # [ 56.824534] lkdtm: attempting ok execution at ffffff[ 64.599625] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f ff840dec60 # [ 56.831064] lkdtm: attempting bad execution at [ 64.613792] R13: ffffaf2282c17f10 R14: ffffaf2282c17f10 R15: ffff9f1c433b5000 0000000000000000 # [ 56.837688] BUG: kernel NULL pointer dere[ 64.628036] FS: 00007fbb9a922580(0000) GS:ffff9f1cbac00000(0000) knlGS:0000000000000000 ference, address: 0000000000000000 # [ 56.845466] #PF: superv[ 64.643286] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 isor instruction fetch in kernel mode # [ 56.851785] #PF: err[ 64.655976] CR2: 00007fbb9a72b000 CR3: 0000000104e06004 CR4: 00000000003706f0 or_code(0x0010) - not-present page # [ 56.857519] PGD 0 P4D 0[ 64.670138] Call Trace: # [ 56.860345] Oops: 0010 [#11] SMP PTI # [ 56.870546] C[ 64.679147] __refcount_sub_and_test.constprop.0+0x3c/0x50 PU: 3 PID: 1843 Comm: cat Tainted: G D W 5.10.145-c[ 64.691457] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 ip17 #1 # [ 56.879196] Hardware name: Google Rammus/Rammus, B[ 64.703965] direct_entry.cold+0x2c/0x38 IOS 09/04/2020 # [ 56.892214] RIP: 0010:0x0 # [ 56.895134[ 64.714501] full_proxy_write+0x53/0x80 ] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6.[ 64.725051] vfs_write+0xe7/0x3a0 # [ 56.902802] RSP: 0018:ffffaf2282607e48 EFLAGS: 00010246 [ 64.734937] ksys_write+0x68/0xf0 # [ 56.908634] RAX: 0000000000000033 RBX: 0000000000000000 RCX[ 64.744860] do_syscall_64+0x30/0x40 : 0000000000000000 # [ 56.916600] RDX: 0000000000000000 RSI: [ 64.755054] entry_SYSCALL_64_after_hwframe+0x61/0xc6 ffff9f1cbad9bf70 RDI: ffff9f1cbad9bf70 # [ 56.924567] RBP: 00[ 64.766954] RIP: 0033:0x7fbb9a8388f3 00000000000000 R08: 0000000000000000 R09: 0000000000000000 # [ [ 64.777109] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 56.932533] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00[ 64.804367] RSP: 002b:00007ffe7e242f48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 0000000000000a # [ 56.940500] R13: ffffaf2282607f10 R14: ffff[ 64.819039] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fbb9a8388f3 af2282607f10 R15: ffff9f1c43ff7000 # [ 56.948468] FS: 00007f[ 64.833239] RDX: 000000000000001f RSI: 00007fbb9a72b000 RDI: 0000000000000001 a9d0227580(0000) GS:ffff9f1cbad80000(0000) knlGS:000000000000000[ 64.847413] RBP: 00007fbb9a72b000 R08: 00007fbb9a72a010 R09: 0000000000000000 0 # [ 56.957504] CS: 0010 DS: 0000 ES: 0000 CR0: 00000000800[ 64.861601] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 50033 # [ 56.963917] CR2: ffffffffffffffd6 CR3: 0000000103574[ 64.875792] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 004 CR4: 00000000003706e0 # [ 56.971884] Call Trace: # [ 5[ 64.890036] irq event stamp: 0 6.974612] execute_location+0x45/0x56 # [ 56.978889] direct_[ 64.899645] hardirqs last enabled at (0): [<0000000000000000>] 0x0 entry.cold+0x2c/0x38 # [ 56.983266] full_proxy_write+0x53/0x[ 64.912884] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 80 # [ 56.987546] vfs_write+0xe7/0x3a0 # [ 56.991241] ks[ 64.928254] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 ys_write+0x68/0xf0 # [ 56.994939] do_syscall_64+0x30/0x40 #[ 64.943589] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 56.998925] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ [ 64.956809] ---[ end trace 82f3067a6a326e5f ]--- 57.004562] RIP: 0033:0x7fa9d013d8f3 # [ 57.008549] Code: 8b [ 64.968182] lkdtm: Negative detected: saturated 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 57.029515] RSP: 002b:00007ffd03431a78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 57.037975] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fa9d013d8f3 # [ 57.045941] RDX: 000000000000000a RSI: 00007fa9d0030000 RDI: 0000000000000001 # [ 57.053908] RBP: 00007fa9d0030000 R08: 00007fa9d002f010 R09: 0000000000000000 # [ 57.061875] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 57.069841] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 57.077811] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 57.104264] CR2: 0000000000000000 # [ 57.114171] ---[ end trace 82f3067a6a326e53 ]--- # [ 57.119326] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 57.123700] Code: 89 ff e8 2e b6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 fc 93 02 # [ 57.[ 65.105044] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE 144677] RSP: 0018:ffffaf22814f7e60 EFLAGS: 00010286 # [ 57.15[ 65.117573] lkdtm: attempting bad refcount_sub_and_test() below zero 0508] RAX: ffffffff840de890 RBX: 0000000000000001 RCX: 000000000[ 65.130907] ------------[ cut here ]------------ 0000000 # [ 57.158474] RDX: 0000000000000000 RSI: ffff9f1cbac[ 65.142275] refcount_t: underflow; use-after-free. 9bf70 RDI: ffffffff84d9ae90 # [ 57.166442] RBP: ffffffff851e5[ 65.153850] WARNING: CPU: 0 PID: 2286 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 df0 R08: 0000000000000001 R09: 0000000000000001 # [ 57.174408[ 65.169480] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify ] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000[ 65.202116] CPU: 0 PID: 2286 Comm: cat Tainted: G D W 5.10.145-cip17 #1 004 # [ 57.182375] R13: ffffaf22814f7f10 R14: ffffaf22814f7f1[ 65.216975] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 0 R15: ffff9f1c44c51000 # [ 57.190341] FS: 00007fa9d0227580([ 65.229992] RIP: 0010:refcount_warn_saturate+0xba/0x110 0000) GS:ffff9f1cbad80000(0000) knlGS:0000000000000000 # [ 57[ 65.242071] Code: 01 01 e8 24 66 98 00 0f 0b c3 cc cc cc cc 80 3d 62 49 94 01 00 75 85 48 c7 c7 18 65 12 85 c6 05 52 49 94 01 01 e8 01 66 98 00 <0f> 0b c3 cc cc cc cc 80 3d 3d 49 94 01 00 0f 85 5e ff ff ff 48 c7 .199377] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ [ 65.269296] RSP: 0018:ffffaf2282c97e40 EFLAGS: 00010286 57.205790] CR2: ffffffffffffffd6 CR3: 0000000103574004 CR4: 00[ 65.281364] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 000000003706e0 # EXEC_NULL: saw 'call trace:': ok ok 36 selfte[ 65.295587] RDX: ffff9f1cbac2c660 RSI: ffff9f1cbac1bf70 RDI: ffff9f1cbac1bf70 sts: lkdtm: EXEC_NULL.sh # selftests: lkdtm: ACCESS_USERSPACE.s[ 65.309744] RBP: ffffffff8518a738 R08: 0000000000000000 R09: 0000000000000000 h # Killed # [ 57.316043] lkdtm: Performing direct entry ACC[ 65.323962] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f ESS_USERSPACE # [ 57.325723] lkdtm: attempting bad read at 00[ 65.338140] R13: ffffaf2282c97f10 R14: ffffaf2282c97f10 R15: ffff9f1c43452000 007fc370dc4000 # [ 57.331864] BUG: unable to handle page faul[ 65.352338] FS: 00007fa714181580(0000) GS:ffff9f1cbac00000(0000) knlGS:0000000000000000 t for address: 00007fc370dc4000 # [ 57.339549] #PF: superviso[ 65.367559] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 r read access in kernel mode # [ 57.345286] #PF: error_code(0[ 65.380207] CR2: 00007fa713f8a000 CR3: 0000000104de8001 CR4: 00000000003706f0 x0001) - permissions violation # [ 57.351499] PGD 8000000103d[ 65.394402] Call Trace: 8e067 P4D 8000000103d8e067 PUD 10555c067 PMD 103300067 PTE 1144b[ 65.403375] __refcount_sub_and_test.constprop.0+0x3c/0x50 e067 # [ 57.367433] Oops: 0001 [#12] SMP PTI # [ 57.371422[ 65.415740] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b ] CPU: 3 PID: 1878 Comm: cat Tainted: G D W 5.10.14[ 65.428177] direct_entry.cold+0x2c/0x38 5-cip17 #1 # [ 57.380068] Hardware name: Google Rammus/Rammus[ 65.438786] full_proxy_write+0x53/0x80 , BIOS 09/04/2020 # [ 57.386874] RIP: 0010:lkdtm_ACCESS_USER[ 65.449298] vfs_write+0xe7/0x3a0 SPACE.cold+0x41/0xa3 # [ 57.393096] Code: 00 00 00 75 64 48 8[ 65.459213] ksys_write+0x68/0xf0 3 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 60 b9 18 85 e8 09 9a[ 65.469171] do_syscall_64+0x30/0x40 fd ff 48 c7 c7 88 b9 18 85 b8 de c0 de c0 <48> 03 45 00 48 89 0[ 65.479332] entry_SYSCALL_64_after_hwframe+0x61/0xc6 4 24 e8 f0 99 fd ff 48 89 ee 48 c7 c7 b0 b9 18 # [ 57.414064][ 65.491178] RIP: 0033:0x7fa7140978f3 RSP: 0018:ffffaf22826bfe48 EFLAGS: 00010246 # [ 57.419896] R[ 65.501396] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 AX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000[ 65.528617] RSP: 002b:00007ffeb77389e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 57.427863] RDX: 0000000000000000 RSI: ffff9f1cbad9bf70 R[ 65.543269] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fa7140978f3 DI: ffffffff8518b988 # [ 57.435831] RBP: 00007fc370dc4000 R08[ 65.557476] RDX: 000000000000001f RSI: 00007fa713f8a000 RDI: 0000000000000001 : 0000000000000000 R09: 0000000000000000 # [ 57.443797] R10: [ 65.571643] RBP: 00007fa713f8a000 R08: 00007fa713f89010 R09: 0000000000000000 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 # [ 65.585873] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 57.451764] R13: ffffaf22826bff10 R14: ffffaf22826bff10 R15: [ 65.600050] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ffff9f1c44e0f000 # [ 57.459731] FS: 00007fc370d95580(0000) G[ 65.614285] irq event stamp: 0 S:ffff9f1cbad80000(0000) knlGS:0000000000000000 # [ 57.468766[ 65.623868] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.47[ 65.637111] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 5181] CR2: 00007fc370dc4000 CR3: 00000001032ac006 CR4: 000000000[ 65.652476] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 03706e0 # [ 57.483148] Call Trace: # [ 57.485875] direct_[ 65.667822] softirqs last disabled at (0): [<0000000000000000>] 0x0 entry.cold+0x2c/0x38 # [ 57.490253] full_proxy_write+0x53/0x[ 65.681052] ---[ end trace 82f3067a6a326e60 ]--- 80 # [ 57.494533] vfs_write+0xe7/0x3a0 # [ 57.498231] ks[ 65.692438] lkdtm: Negative detected: saturated ys_write+0x68/0xf0 # [ 57.501929] do_syscall_64+0x30/0x40 # [ 57.505916] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 57.511554] RIP: 0033:0x7fc370cab8f3 # [ 57.515533] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 57.536502] RSP: 002b:00007ffe91719408 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 57.544973] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007fc370cab8f3 # [ 57.552945] RDX: 0000000000000011 RSI: 00007fc370b9e000 RDI: 0000000000000001 # [ 57.560912] RBP: 00007fc370b9e000 R08: 00007fc370b9d010 R09: 0000000000000000 # [ 57.568880] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 57.576847] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 57.584819] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros[ 65.813102] lkdtm: Performing direct entry REFCOUNT_INC_ZERO [ 65.821857] lkdtm: attempting safe refcount_inc_not_zero() from zero [ 65.828989] lkdtm: Good: zero detected [ 65.833176] lkdtm: Correctly stayed at zero [ 65.837847] lkdtm: attempting bad refcount_inc() from zero [ 65.844005] ------------[ cut here ]------------ [ 65.849161] refcount_t: addition on 0; use-after-free. [ 65.854925] WARNING: CPU: 3 PID: 2318 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 _usbpd_notify # [ 57.611273] CR2: 00007fc370dc4000 # [ 57.[ 65.864364] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 65.897015] CPU: 3 PID: 2318 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 65.905698] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 65.912505] RIP: 0010:refcount_warn_saturate+0x74/0x110 [ 65.918342] Code: 01 01 e8 6a 66 98 00 0f 0b c3 cc cc cc cc 80 3d a9 49 94 01 00 75 cb 48 c7 c7 e8 64 12 85 c6 05 99 49 94 01 01 e8 47 66 98 00 <0f> 0b c3 cc cc cc cc 80 3d 88 49 94 01 00 75 a8 48 c7 c7 c0 64 12 [ 65.939327] RSP: 0018:ffffaf2282cf7e48 EFLAGS: 00010286 [ 65.945187] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 [ 65.953158] RDX: ffff9f1cbadac660 RSI: ffff9f1cbad9bf70 RDI: ffff9f1cbad9bf70 [ 65.961128] RBP: ffffffff8518aad9 R08: 0000000000000000 R09: 0000000000000000 621181] ---[ end trace 82f3067a6a326e54 ]--- # [ 57.626334] R[ 65.969102] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 65.983289] R13: ffffaf2282cf7f10 R14: ffffaf2282cf7f10 R15: ffff9f1c456da000 IP: 0010:lkdtm_BUG+0x5/0x10 # [ 57.630707] Code: 89 ff e8 2e [ 65.991266] FS: 00007f5c27f9d580(0000) GS:ffff9f1cbad80000(0000) knlGS:0000000000000000 [ 66.006517] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.012981] CR2: 00007f5c27da6000 CR3: 0000000103552004 CR4: 00000000003706e0 b6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc c[ 66.020956] Call Trace: [ 66.029899] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 [ 66.034893] direct_entry.cold+0x2c/0x38 [ 66.039306] full_proxy_write+0x53/0x80 [ 66.043619] vfs_write+0xe7/0x3a0 [ 66.047319] ksys_write+0x68/0xf0 [ 66.051032] do_syscall_64+0x30/0x40 [ 66.055046] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 66.060689] RIP: 0033:0x7f5c27eb38f3 [ 66.064681] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 66.085689] RSP: 002b:00007fff3b8bc798 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 c cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f [ 66.094164] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f5c27eb38f3 [ 66.108341] RDX: 0000000000000012 RSI: 00007f5c27da6000 RDI: 0000000000000001 [ 66.116312] RBP: 00007f5c27da6000 R08: 00007f5c27da5010 R09: 0000000000000000 [ 66.124284] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 66.132253] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 66.140227] irq event stamp: 0 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 fc 93 02 # [ 57.[ 66.143663] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 66.156873] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 66.166029] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 66.175164] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 66.182164] ---[ end trace 82f3067a6a326e61 ]--- [ 66.187318] lkdtm: Zero detected: saturated 651686] RSP: 0018:ffffaf22814f7e60 EFLAGS: 00010286 # [ 57.657517] RAX: ffffffff840de890 RBX: 0000000000000001 RCX: 0000000000000000 # [ 57.665482] RDX: 0000000000000000 RSI: ffff9f1cbac9bf70 RDI: ffffffff84d9ae90 # [ 57.673448] RBP: ffffffff851e5df0 R08: 0000000000000001 R09: 0000000000000001 # [ 57.681415] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 57.689380] R13: ffffaf22814f7f10 R14: ffffaf22814f7f10 R15: ffff9f1c44c51000 # [ 57.697346] FS: 00007fc370d95580(0000) GS:ffff9f1cbad80000(0000) knlGS:0000000000000000 # [ 57.706382] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.712793] CR2: 00007fc370dc4000 CR3: 00000001032ac006 CR4: 00000000003706e0 # [ 57.720760] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 57.730669] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1878, name: cat # [ 57.739120] INFO: lockdep is turned off. # [ 57.743495] irq event stamp: 0 # [ 57.746900] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 57.753889] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 57.763038] softirqs last enabled at (0): [[ 66.304940] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO [ 66.316469] lkdtm: attempting safe refcount_add_not_zero() from zero ] copy_process+0x640/0x1c80 # [ 57.772171] [ 66.323570] lkdtm: Good: zero detected softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 5[ 66.333966] lkdtm: Correctly stayed at zero 7.779168] CPU: 3 PID: 1878 Comm: cat Tainted: G D W [ 66.344848] lkdtm: attempting bad refcount_add() from zero 5.10.145-cip17 #1 # [ 57.787813] Hardware name: Google Rammu[ 66.357193] ------------[ cut here ]------------ [ 66.368562] refcount_t: addition on 0; use-after-free. s/Rammus, BIOS 09/04/2020 # [ 57.794616] Call Trace: # [ [ 66.374329] WARNING: CPU: 1 PID: 2350 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 57.797342] dump_stack+0x77/0x9b # [ 57.801038] ___might_sle[ 66.389939] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify ep.cold+0xa6/0xb6 # [ 57.805608] exit_signals+0x1c/0x2e0 # [ 66.422637] CPU: 1 PID: 2350 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 57.809597] do_exit+0xd5/0xb00 # [ 57.813100] ? ksys_wri[ 66.437478] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 te+0x68/0xf0 # [ 57.816992] rewind_stack_do_exit+0x17/0x20 [ 66.450500] RIP: 0010:refcount_warn_saturate+0x74/0x110 [ 66.462552] Code: 01 01 e8 6a 66 98 00 0f 0b c3 cc cc cc cc 80 3d a9 49 94 01 00 75 cb 48 c7 c7 e8 64 12 85 c6 05 99 49 94 01 01 e8 47 66 98 00 <0f> 0b c3 cc cc cc cc 80 3d 88 49 94 01 00 75 a8 48 c7 c7 c0 64 12 # [ 57.821658] RIP: 0033:0x7fc370cab8f3 # [ 57.825646] Code[ 66.483535] RSP: 0018:ffffaf2282dc7e48 EFLAGS: 00010286 [ 66.495581] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 : 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f[ 66.503555] RDX: ffff9f1cbacac660 RSI: ffff9f1cbac9bf70 RDI: ffff9f1cbac9bf70 [ 66.517735] RBP: ffffffff8518aaeb R08: 0000000000000000 R09: 0000000000000000 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 [ 66.525709] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 66.539888] R13: ffffaf2282dc7f10 R14: ffffaf2282dc7f10 R15: ffff9f1c4408e000 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24[ 66.547864] FS: 00007f32f67c1580(0000) GS:ffff9f1cbac80000(0000) knlGS:0000000000000000 [ 66.563112] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 18 # [ 57.846618] RSP: 002b:00007ffe91719408 EFLAGS: 0000024[ 66.569529] CR2: 00007f32f65ca000 CR3: 0000000103308004 CR4: 00000000003706e0 [ 66.583712] Call Trace: 6 ORIG_RAX: 0000000000000001 # [ 57.855062] RAX: ffffffffffff[ 66.586445] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 ffda RBX: 0000000000000011 RCX: 00007fc370cab8f3 # [ 57.86303[ 66.597616] direct_entry.cold+0x2c/0x38 6] RDX: 0000000000000011 RSI: 00007fc370b9e000 RDI: 000000000000[ 66.608213] full_proxy_write+0x53/0x80 0001 # [ 57.871003] RBP: 00007fc370b9e000 R08: 00007fc370b9d0[ 66.618712] vfs_write+0xe7/0x3a0 10 R09: 0000000000000000 # [ 57.878975] R10: fffffffffffffbc5[ 66.628626] ksys_write+0x68/0xf0 R11: 0000000000000246 R12: 0000000000000001 # [ 57.886941] R[ 66.638541] do_syscall_64+0x30/0x40 13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000[ 66.648746] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 66.660603] RIP: 0033:0x7f32f66d78f3 # ACCESS_USERSPACE: saw 'call trace:': ok ok 37 selftests: lk[ 66.664595] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 dtm: ACCESS_USERSPACE.sh # selftests: lkdtm: ACCESS_NULL.sh # [ 66.691788] RSP: 002b:00007fff4881b138 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 66.706463] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f32f66d78f3 Killed # [ 58.008492] lkdtm: Performing direct entry ACCESS_N[ 66.714439] RDX: 0000000000000012 RSI: 00007f32f65ca000 RDI: 0000000000000001 [ 66.728619] RBP: 00007f32f65ca000 R08: 00007f32f65c9010 R09: 0000000000000000 ULL # [ 58.018797] lkdtm: attempting bad read at 000000000000[ 66.736592] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 66.750769] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0000 # [ 58.031139] BUG: kernel NULL pointer dereference, add[ 66.758764] irq event stamp: 0 ress: 0000000000000000 # [ 58.045109] #PF: supervisor read ac[ 66.768359] hardirqs last enabled at (0): [<0000000000000000>] 0x0 cess in kernel mode # [ 58.050842] #PF: error_code(0x0000) - [ 66.781577] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 66.796928] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 not-present page # [ 58.056576] PGD 0 P4D 0 # [ 58.059399[ 66.806068] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 66.819278] ---[ end trace 82f3067a6a326e62 ]--- ] Oops: 0000 [#13] SMP PTI # [ 58.063387] CPU: 0 PID: 1913 Co[ 66.824435] lkdtm: Zero detected: saturated mm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 58.072033] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 58.078839] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 # [ 58.084094] Code: ad 99 fd ff be 00 10 00 00 48 89 ef e8 ad a9 39 ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 60 b9 18 85 e8 87 99 fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 88 b9 18 85 48 01 # [ 58.105068] RSP: 0018:ffffaf2282737e58 EFLAGS: 00010246 # [ 58.110899] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 # [ 58.118864] RDX: 0000000000000000 RSI: ffff9f1cbac1bf70 RDI: ffff9f1cbac1bf70 # [ 58.126832] RBP: ffffffff8518aa51 R08: 0000000000000000 R09: 0000000000000000 # [ 58.134799] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 58.142765] R13: ffffaf2282737f10 R14: ffffaf2282737f10 R15: ffff9f1c426c2000 # [ 58.150733] FS: 00007f49f2158580(0000) GS:ffff9f1cbac00000(0000) knlGS:0000000000000000 # [ 58.159768] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 58.166181] CR2: 0000000000000000 CR3: 0000000104f86005 CR4: 00000000003706f0 # [ 58.174148] Call Trace: # [ 58.176874] direct_entry.cold+0x2c/0x38 # [ 58.181258] full_proxy_write+0x53/0x80 # [ 58.185544] vfs_write[ 66.957677] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED [ 66.966448] lkdtm: attempting bad refcount_inc() from saturated +0xe7/0x3a0 # [ 58.189245] ksys_write+0x68/0xf0 # [ 58.19[ 66.973094] ------------[ cut here ]------------ [ 66.984454] refcount_t: saturated; leaking memory. [ 66.989823] WARNING: CPU: 3 PID: 2385 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 [ 66.999259] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 2943] do_syscall_64+0x30/0x40 # [ 58.196936] entry_SYSCALL_[ 67.025727] CPU: 3 PID: 2385 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 67.040584] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 67.047393] RIP: 0010:refcount_warn_saturate+0x51/0x110 [ 67.053231] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d cd 49 94 01 00 75 ee 48 c7 c7 c0 64 12 85 c6 05 bd 49 94 01 01 e8 6a 66 98 00 <0f> 0b c3 cc cc cc cc 80 3d a9 49 94 01 00 75 cb 48 c7 c7 e8 64 12 [ 67.074241] RSP: 0018:ffffaf2282e27e48 EFLAGS: 00010286 [ 67.080079] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 [ 67.088053] RDX: ffff9f1cbadac660 RSI: ffff9f1cbad9bf70 RDI: ffff9f1cbad9bf70 [ 67.096036] RBP: ffffffff8518aafd R08: 0000000000000000 R09: 0000000000000000 [ 67.104028] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 67.112004] R13: ffffaf2282e27f10 R14: ffffaf2282e27f10 R15: ffff9f1c43536000 [ 67.120031] FS: 00007f3066597580(0000) GS:ffff9f1cbad80000(0000) knlGS:0000000000000000 [ 67.129074] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 67.135493] CR2: 00007f30663a0000 CR3: 0000000104e40003 CR4: 00000000003706e0 [ 67.143466] Call Trace: [ 67.146199] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 [ 67.151682] direct_entry.cold+0x2c/0x38 64_after_hwframe+0x61/0xc6 # [ 58.202573] RIP: 0033:0x7f49f20[ 67.156093] full_proxy_write+0x53/0x80 [ 67.166584] vfs_write+0xe7/0x3a0 [ 67.170316] ksys_write+0x68/0xf0 [ 67.174036] do_syscall_64+0x30/0x40 [ 67.178058] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 67.183704] RIP: 0033:0x7f30664ad8f3 [ 67.187701] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 67.208686] RSP: 002b:00007ffd8d1476f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 67.217177] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f30664ad8f3 [ 67.225151] RDX: 0000000000000017 RSI: 00007f30663a0000 RDI: 0000000000000001 [ 67.233123] RBP: 00007f30663a0000 R08: 00007f306639f010 R09: 0000000000000000 6e8f3 # [ 58.206560] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 4[ 67.241098] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 67.255283] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 8 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0[ 67.263264] irq event stamp: 0 [ 67.272876] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 67.279910] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 67.289047] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 67.298184] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 67.305185] ---[ end trace 82f3067a6a326e63 ]--- [ 67.310341] lkdtm: Saturation detected: still saturated 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 58.227528] RSP: 002b:00007fff2c8385d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 58.235981] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f49f206e8f3 # [ 58.243947] RDX: 000000000000000c RSI: 00007f49f1f61000 RDI: 0000000000000001 # [ 58.251915] RBP: 00007f49f1f61000 R08: 00007f49f1f60010 R09: 0000000000000000 # [ 58.259874] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 58.267843] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 58.275814] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 58.302247] CR2: 0000000000000000 # [ 58.305943] ---[ end trace 82f3067a6a326e55 ]--- # [ 58.311087] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 58.315464] Code: 89 ff e8 2e b6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 0[ 67.431817] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED 0 00 83 05 80 fc 93 02 # [ 58.336441] RSP: 0018:ffffaf22814f7[ 67.441156] lkdtm: attempting bad refcount_dec() from saturated e60 EFLAGS: 00010286 # [ 58.342264] RAX: ffffffff840de890 RBX[ 67.453988] ------------[ cut here ]------------ : 0000000000000001 RCX: 0000000000000000 # [ 58.350230] RDX: [ 67.465356] refcount_t: decrement hit 0; leaking memory. 0000000000000000 RSI: ffff9f1cbac9bf70 RDI: ffffffff84d9ae90 # [ 67.477530] WARNING: CPU: 1 PID: 2420 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 [ 58.358197] RBP: ffffffff851e5df0 R08: 0000000000000001 R09: [ 67.493145] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 0000000000000001 # [ 58.366163] R10: 00000000ffffe000 R11: 3f[ 67.525786] CPU: 1 PID: 2420 Comm: cat Tainted: G D W 5.10.145-cip17 #1 ffffffffffffff R12: 0000000000000004 # [ 58.374130] R13: ffff[ 67.540653] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 af22814f7f10 R14: ffffaf22814f7f10 R15: ffff9f1c44c51000 # [ [ 67.553677] RIP: 0010:refcount_warn_saturate+0xfb/0x110 58.382098] FS: 00007f49f2158580(0000) GS:ffff9f1cbac00000(0000)[ 67.565728] Code: 70 65 12 85 c6 05 29 49 94 01 01 e8 da 65 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 40 65 12 85 c6 05 10 49 94 01 01 e8 c0 65 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b knlGS:0000000000000000 # [ 58.391131] CS: 0010 DS: 0000 ES:[ 67.592963] RSP: 0018:ffffaf2282ebfe48 EFLAGS: 00010286 [ 67.604981] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 0000 CR0: 0000000080050033 # [ 58.397544] CR2: 0000000000000[ 67.612978] RDX: ffff9f1cbacac660 RSI: ffff9f1cbac9bf70 RDI: ffff9f1cbac9bf70 [ 67.627161] RBP: ffffffff8518ab14 R08: 0000000000000000 R09: 0000000000000000 000 CR3: 0000000104f86005 CR4: 00000000003706f0 # ACCESS_NULL: [ 67.635135] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 67.649316] R13: ffffaf2282ebff10 R14: ffffaf2282ebff10 R15: ffff9f1c45657000 saw 'call trace:': ok ok 38 selftests: lkdtm: ACCESS_NULL.sh #[ 67.657291] FS: 00007f6c376da580(0000) GS:ffff9f1cbac80000(0000) knlGS:0000000000000000 [ 67.672541] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 selftests: lkdtm: WRITE_RO.sh # Killed # [ 58.554007] lkdtm[ 67.678977] CR2: 00007f6c374e3000 CR3: 00000001055ee003 CR4: 00000000003706e0 [ 67.693158] Call Trace: : Performing direct entry WRITE_RO # [ 58.560134] lkdtm: atte[ 67.695891] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f mpting bad rodata write at ffffffff84d9b310 # [ 58.567076] BU[ 67.707546] direct_entry.cold+0x2c/0x38 G: unable to handle page fault for address: ffffffff84d9b310 # [ 67.718140] full_proxy_write+0x53/0x80 [ 58.574761] #PF: supervisor write access in kernel mode # [ [ 67.728636] vfs_write+0xe7/0x3a0 58.580605] #PF: error_code(0x0003) - permissions violation # [ 67.738551] ksys_write+0x68/0xf0 [ 58.586827] PGD 15ca29067 P4D 15ca29067 PUD 15ca2a063 PMD 800[ 67.748468] do_syscall_64+0x30/0x40 000015c2000e1 # [ 58.594607] Oops: 0003 [#14] SMP PTI # [ [ 67.758673] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 67.770529] RIP: 0033:0x7f6c375f08f3 58.604806] CPU: 2 PID: 1948 Comm: cat Tainted: G D W [ 67.774522] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 67.801716] RSP: 002b:00007ffeaf139dd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 5.10.145-cip17 #1 # [ 58.613454] Hardware name: Google Ram[ 67.810172] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f6c375f08f3 mus/Rammus, BIOS 09/04/2020 # [ 58.620259] RIP: 0010:lkdtm_W[ 67.824355] RDX: 0000000000000017 RSI: 00007f6c374e3000 RDI: 0000000000000001 [ 67.838543] RBP: 00007f6c374e3000 R08: 00007f6c374e2010 R09: 0000000000000000 RITE_RO+0x2e/0x3a # [ 58.625216] Code: 00 48 c7 c7 40 b8 18 8[ 67.846516] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 67.860699] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 5 48 c7 c6 10 b3 d9 84 e8 31 9c fd ff 48 8b 05 87 ed 62 00 ba 34[ 67.868696] irq event stamp: 0 [ 67.878291] hardirqs last enabled at (0): [<0000000000000000>] 0x0 12 cd ab 48 c7 c7 70 b8 18 85 48 31 d0 <48> 89 05 71 ed 62 00 e[ 67.885296] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 67.900640] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 9 0f 9c fd ff 0f 1f 44 00 00 48 8b 05 80 bd # [ 58.646194] RS[ 67.909779] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 67.922989] ---[ end trace 82f3067a6a326e64 ]--- P: 0018:ffffaf22827a7e60 EFLAGS: 00010202 # [ 58.652029] RAX:[ 67.928147] lkdtm: Saturation detected: still saturated 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 # [ 58.659997] RDX: 00000000abcd1234 RSI: ffff9f1cbad1bf70 RDI: ffffffff8518b870 # [ 58.667975] RBP: ffffffff8518aa5d R08: 0000000000000000 R09: 0000000000000000 # [ 58.675942] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 # [ 58.683909] R13: ffffaf22827a7f10 R14: ffffaf22827a7f10 R15: ffff9f1c43323000 # [ 58.691877] FS: 00007fcff909c580(0000) GS:ffff9f1cbad00000(0000) knlGS:0000000000000000 # [ 58.700910] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 58.707323] CR2: ffffffff84d9b310 CR3: 00000001008b2001 CR4: 00000000003706e0 # [ 58.715289] Call Trace: # [ 58.718029] direct_entry.cold+0x2c/0x38 # [ 58.722411] full_proxy_write+0x53/0x80 # [ 58.726691] vfs_write+0xe7/0x3a0 # [ 58.730387] ksys_write+0x68/0xf0 # [ 58.734085] do_syscall_64+0x30/0x40 # [ 58.738071] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 58.743709] RIP: 0033:0x7fcff8fb28f3 # [ 58.747696] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 58.768664] RSP: 002b:00007ffe8eb179b8 EFLAGS: 00000246 ORIG_R[ 68.058256] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED [ 68.071332] lkdtm: attempting bad refcount_dec() from saturated [ 68.077972] ------------[ cut here ]------------ [ 68.083158] refcount_t: saturated; leaking memory. [ 68.088539] WARNING: CPU: 3 PID: 2455 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 AX: 0000000000000001 # [ 58.777108] RAX: ffffffffffffffda RBX[ 68.097979] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 68.130617] CPU: 3 PID: 2455 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 68.139297] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 68.146105] RIP: 0010:refcount_warn_saturate+0x51/0x110 [ 68.151967] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d cd 49 94 01 00 75 ee 48 c7 c7 c0 64 12 85 c6 05 bd 49 94 01 01 e8 6a 66 98 00 <0f> 0b c3 cc cc cc cc 80 3d a9 49 94 01 00 75 cb 48 c7 c7 e8 64 12 : 0000000000000009 RCX: 00007fcff8fb28f3 # [ 58.785075] RDX: [ 68.172969] RSP: 0018:ffffaf2282f3fe48 EFLAGS: 00010286 [ 68.185030] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 [ 68.193000] RDX: ffff9f1cbadac660 RSI: ffff9f1cbad9bf70 RDI: ffff9f1cbad9bf70 [ 68.200993] RBP: ffffffff8518ab2b R08: 0000000000000000 R09: 0000000000000000 [ 68.208980] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 0000000000000009 RSI: 00007fcff8ea5000 RDI: 0000000000000001 # [ 68.216955] R13: ffffaf2282f3ff10 R14: ffffaf2282f3ff10 R15: ffff9f1c44c45000 [ 68.231138] FS: 00007f8d7d0d2580(0000) GS:ffff9f1cbad80000(0000) knlGS:0000000000000000 [ 68.240176] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.246594] CR2: 00007f8d7cedb000 CR3: 0000000105d14004 CR4: 00000000003706e0 [ 68.254566] Call Trace: [ 68.257297] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 [ 68.262769] direct_entry.cold+0x2c/0x38 [ 68.267150] full_proxy_write+0x53/0x80 [ 68.271457] vfs_write+0xe7/0x3a0 [ 68.275157] ksys_write+0x68/0xf0 [ 68.278857] do_syscall_64+0x30/0x40 [ 68.282850] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 68.288493] RIP: 0033:0x7f8d7cfe88f3 [ 68.292484] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 68.313469] RSP: 002b:00007fff4af8b9f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 68.321926] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f8d7cfe88f3 [ 68.329898] RDX: 0000000000000017 RSI: 00007f8d7cedb000 RDI: 0000000000000001 [ 68.337870] RBP: 00007f8d7cedb000 R08: 00007f8d7ceda010 R09: 0000000000000000 [ 68.345842] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 68.353813] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 68.361790] irq event stamp: 0 [ 58.793041] RBP: 00007fcff8ea5000 R08: 00007fcff8ea4010 R09: [ 68.365229] hardirqs last enabled at (0): [<0000000000000000>] 0x0 0000000000000000 # [ 58.801023] R10: fffffffffffffbc5 R11: 00[ 68.378448] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 68.393802] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 68.402939] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 68.409979] ---[ end trace 82f3067a6a326e65 ]--- [ 68.415134] lkdtm: Saturation detected: still saturated 00000000000246 R12: 0000000000000001 # [ 58.808986] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 58.816977] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 58.843403] CR2: ffffffff84d9b310 # [ 58.853309] ---[ end trace 82f3067a6a326e56 ]--- # [ 58.858461] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 58.862836] Code: 89 ff e8 2e b6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 fc 93 02 # [ 58.883814] RSP: 0018:ffffaf22814f7e60 EFLAGS: 00010286 # [ 58.889645] RAX: ffffffff840de890 RBX: 0000000000000001 RCX: 0000000000000000 # [ 58.897612] RDX: 0000000000000000 RSI: ffff9f1cbac9bf70 RDI: ffffffff84d9ae90 # [ 58.905580] RBP: ffffffff851e5df0 R08: 0000000000000001 R09: 0000000000000001 # [ 58.913546] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 58.921512] R13: ffffaf22814f7f10 R14: ffffaf22814f7f10 R[ 68.538921] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED 15: ffff9f1c44c51000 # [ 58.929480] FS: 00007fcff909c580(000[ 68.547057] lkdtm: attempting bad refcount_inc_not_zero() from saturated 0) GS:ffff9f1cbad00000(0000) knlGS:0000000000000000 # [ 58.93[ 68.560785] ------------[ cut here ]------------ 8512] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 5[ 68.572152] refcount_t: saturated; leaking memory. 8.944927] CR2: ffffffff84d9b310 CR3: 00000001008b2001 CR4: 00000[ 68.583753] WARNING: CPU: 0 PID: 2487 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 000003706e0 # [ 58.952894] BUG: sleeping function called from[ 68.599363] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify invalid context at include/linux/percpu-rwsem.h:49 # [ 58.96[ 68.632024] CPU: 0 PID: 2487 Comm: cat Tainted: G D W 5.10.145-cip17 #1 2805] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 194[ 68.646878] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 8, name: cat # [ 58.971257] INFO: lockdep is turned off. # [[ 68.659935] RIP: 0010:refcount_warn_saturate+0x97/0x110 58.975633] irq event stamp: 0 # [ 58.979037] hardirqs last[ 68.671953] Code: 01 01 e8 47 66 98 00 0f 0b c3 cc cc cc cc 80 3d 88 49 94 01 00 75 a8 48 c7 c7 c0 64 12 85 c6 05 78 49 94 01 01 e8 24 66 98 00 <0f> 0b c3 cc cc cc cc 80 3d 62 49 94 01 00 75 85 48 c7 c7 18 65 12 enabled at (0): [<0000000000000000>] 0x0 # [ 58.986035] har[ 68.699150] RSP: 0018:ffffaf2282f8fe38 EFLAGS: 00010282 dirqs last disabled at (0): [] copy_process+0x[ 68.711179] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 640/0x1c80 # [ 58.995167] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 59.004300] sof[ 68.739545] RBP: ffffffff8518a758 R08: 0000000000000000 R09: 0000000000000000 tirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 59.0[ 68.753741] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 11297] CPU: 2 PID: 1948 Comm: cat Tainted: G D W 5.[ 68.767926] R13: ffffaf2282f8ff10 R14: ffffaf2282f8ff10 R15: ffff9f1c45dfd000 10.145-cip17 #1 # [ 59.019944] Hardware name: Google Rammus/R[ 68.782128] FS: 00007f92a48fd580(0000) GS:ffff9f1cbac00000(0000) knlGS:0000000000000000 ammus, BIOS 09/04/2020 # [ 59.026746] Call Trace: # [ 59.[ 68.797377] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 029473] dump_stack+0x77/0x9b # [ 59.033170] ___might_sleep.[ 68.810017] CR2: 00007f92a4706000 CR3: 0000000103c08004 CR4: 00000000003706f0 cold+0xa6/0xb6 # [ 59.037741] exit_signals+0x1c/0x2e0 # [ [ 68.824203] Call Trace: 59.041728] do_exit+0xd5/0xb00 # [ 59.045222] ? ksys_write+[ 68.833167] __refcount_add_not_zero.constprop.0+0x2a/0x35 0x68/0xf0 # [ 59.049115] rewind_stack_do_exit+0x17/0x20 # [[ 68.845483] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 59.053782] RIP: 0033:0x7fcff8fb28f3 # [ 59.057770] Code: 8[ 68.858036] direct_entry.cold+0x2c/0x38 b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f[ 68.868615] full_proxy_write+0x53/0x80 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48[ 68.879128] vfs_write+0xe7/0x3a0 > 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18[ 68.889043] ksys_write+0x68/0xf0 # [ 59.078748] RSP: 002b:00007ffe8eb179b8 EFLAGS: 00000246 O[ 68.898990] do_syscall_64+0x30/0x40 RIG_RAX: 0000000000000001 # [ 59.087192] RAX: ffffffffffffffd[ 68.909159] entry_SYSCALL_64_after_hwframe+0x61/0xc6 a RBX: 0000000000000009 RCX: 00007fcff8fb28f3 # [ 59.095159] [ 68.921016] RIP: 0033:0x7f92a48138f3 RDX: 0000000000000009 RSI: 00007fcff8ea5000 RDI: 000000000000000[ 68.931214] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 1 # [ 59.103127] RBP: 00007fcff8ea5000 R08: 00007fcff8ea4010 [ 68.958419] RSP: 002b:00007ffce4368ff8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 R09: 0000000000000000 # [ 59.111094] R10: fffffffffffffbc5 R1[ 68.973075] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f92a48138f3 1: 0000000000000246 R12: 0000000000000001 # [ 59.119061] R13:[ 68.987282] RDX: 0000000000000020 RSI: 00007f92a4706000 RDI: 0000000000000001 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 #[ 69.001459] RBP: 00007f92a4706000 R08: 00007f92a4705010 R09: 0000000000000000 WRITE_RO: saw 'call trace:': ok ok 39 selftests: lkdtm: WRITE_[ 69.015652] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 RO.sh # selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # Killed # [[ 69.029840] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 59.239302] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT[ 69.044045] irq event stamp: 0 # [ 59.251700] lkdtm: attempting bad ro_after_init write at [ 69.053651] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ffffffff85208330 # [ 59.265520] BUG: unable to handle page fa[ 69.066889] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 ult for address: ffffffff85208330 # [ 59.279370] #PF: supervi[ 69.082226] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 sor write access in kernel mode # [ 59.285199] #PF: error_cod[ 69.097612] softirqs last disabled at (0): [<0000000000000000>] 0x0 e(0x0003) - permissions violation # [ 59.291419] PGD 15ca2906[ 69.110807] ---[ end trace 82f3067a6a326e66 ]--- 7 P4D 15ca29067 PUD 15ca2a063 PMD 104cbe063 PTE 800000015c808061[ 69.122189] lkdtm: Saturation detected: still saturated # [ 59.300464] Oops: 0003 [#15] SMP PTI # [ 59.304443] CPU: 0 PID: 1983 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 59.313090] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 59.319894] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a # [ 59.325924] Code: b8 18 85 e9 e3 9b fd ff 48 c7 c7 c8 b8 18 85 e8 d7 9b fd ff 48 8b 05 4d bd a9 00 ba 34 12 cd ab 48 c7 c7 70 b8 18 85 48 31 d0 <48> 89 05 37 bd a9 00 e9 b5 9b fd ff 0f 1f 44 00 00 41 54 48 c7 c7 # [ 59.346901] RSP: 0018:ffffaf228282fe60 EFLAGS: 00010202 # [ 59.352725] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 # [ 59.360693] RDX: 00000000abcd1234 RSI: ffff9f1cbac1bf70 RDI: ffffffff8518b870 # [ 59.368660] RBP: ffffffff8518aa66 R08: 0000000000000000 R09: 0000000000000000 # [ 59.376626] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 # [ 59.384592] R13: ffffaf228282ff10 R14: ffffaf228282ff10 R15: ffff9f1c45406000 # [ 59.392559] FS: 00007f0064f06580(0000) GS:ffff9f1cbac00000(0000) knlGS:0000000000000000 # [ 59.401594] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 59.408022] CR2: ffffffff85208330 CR3: 00000001029a0006 CR4: 00000000003706f0 # [ 59.415988] Call Trace: # [ 59.418715] direct_entry.cold+0x2c/0x38 # [ 59.423093] full_proxy_write+0x53/0x80 # [ 69.260223] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED [ 59.427382] vfs_write+0xe7/0x3a0 # [ 59.431084] ksys_wri[ 69.272434] lkdtm: attempting bad refcount_add_not_zero() from saturated te+0x68/0xf0 # [ 59.434783] do_syscall_64+0x30/0x40 # [ 5[ 69.286144] ------------[ cut here ]------------ 9.438775] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 59.44[ 69.297509] refcount_t: saturated; leaking memory. 4415] RIP: 0033:0x7f0064e1c8f3 # [ 59.448394] Code: 8b 15 a1 [ 69.309104] WARNING: CPU: 1 PID: 2519 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8[ 69.324719] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 [ 69.357357] CPU: 1 PID: 2519 Comm: cat Tainted: G D W 5.10.145-cip17 #1 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ [ 69.372226] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 59.469362] RSP: 002b:00007ffe8b90a078 EFLAGS: 00000246 ORIG_RAX:[ 69.385250] RIP: 0010:refcount_warn_saturate+0x97/0x110 0000000000000001 # [ 59.477814] RAX: ffffffffffffffda RBX: 0[ 69.397304] Code: 01 01 e8 47 66 98 00 0f 0b c3 cc cc cc cc 80 3d 88 49 94 01 00 75 a8 48 c7 c7 c0 64 12 85 c6 05 78 49 94 01 01 e8 24 66 98 00 <0f> 0b c3 cc cc cc cc 80 3d 62 49 94 01 00 75 85 48 c7 c7 18 65 12 000000000000014 RCX: 00007f0064e1c8f3 # [ 59.485780] RDX: 000[ 69.424509] RSP: 0018:ffffaf228304fe38 EFLAGS: 00010282 0000000000014 RSI: 00007f0064d0f000 RDI: 0000000000000001 # [ [ 69.436563] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 59.493747] RBP: 00007f0064d0f000 R08: 00007f0064d0e010 R09: 000[ 69.450752] RDX: ffff9f1cbacac660 RSI: ffff9f1cbac9bf70 RDI: ffff9f1cbac9bf70 0000000000000 # [ 59.501713] R10: fffffffffffffbc5 R11: 00000[ 69.464938] RBP: ffffffff8518a778 R08: 0000000000000000 R09: 0000000000000000 00000000246 R12: 0000000000000001 # [ 59.509679] R13: 0000000[ 69.479154] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 59.[ 69.493320] R13: ffffaf228304ff10 R14: ffffaf228304ff10 R15: ffff9f1c45ca1000 517650] Modules linked in: fuse ip_tables cros_ec_sensors cros_e[ 69.507505] FS: 00007f16be00c580(0000) GS:ffff9f1cbac80000(0000) knlGS:0000000000000000 c_sensors_core industrialio_triggered_buffer kfifo_buf industria[ 69.522761] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 lio cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_lightb[ 69.535396] CR2: 00007f16bde15000 CR3: 0000000103c08004 CR4: 00000000003706e0 [ 69.549583] Call Trace: ar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd[ 69.552314] __refcount_add_not_zero.constprop.0+0x2a/0x35 _notify # [ 59.544082] CR2: ffffffff85208330 # [ 59.547779[ 69.564649] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 ] ---[ end trace 82f3067a6a326e57 ]--- # [ 59.552923] RIP: 00[ 69.577182] direct_entry.cold+0x2c/0x38 10:lkdtm_BUG+0x5/0x10 # [ 59.557297] Code: 89 ff e8 2e b6 a3 [ 69.587780] full_proxy_write+0x53/0x80 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc c[ 69.598276] vfs_write+0xe7/0x3a0 c 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 [ 69.608190] ksys_write+0x68/0xf0 00 00 00 00 00 0f 1f 44 00 00 83 05 80 fc 93 02 # [ 59.578275[ 69.618104] do_syscall_64+0x30/0x40 ] RSP: 0018:ffffaf22814f7e60 EFLAGS: 00010286 # [ 59.584098] [ 69.628335] entry_SYSCALL_64_after_hwframe+0x61/0xc6 RAX: ffffffff840de890 RBX: 0000000000000001 RCX: 000000000000000[ 69.640191] RIP: 0033:0x7f16bdf228f3 0 # [ 59.592065] RDX: 0000000000000000 RSI: ffff9f1cbac9bf70 [ 69.650397] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 RDI: ffffffff84d9ae90 # [ 59.600032] RBP: ffffffff851e5df0 R0[ 69.677599] RSP: 002b:00007ffdfee5f138 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 8: 0000000000000001 R09: 0000000000000001 # [ 59.608000] R10:[ 69.692273] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f16bdf228f3 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 #[ 69.706475] RDX: 0000000000000020 RSI: 00007f16bde15000 RDI: 0000000000000001 [ 59.615968] R13: ffffaf22814f7f10 R14: ffffaf22814f7f10 R15:[ 69.720663] RBP: 00007f16bde15000 R08: 00007f16bde14010 R09: 0000000000000000 ffff9f1c44c51000 # [ 59.623935] FS: 00007f0064f06580(0000) [ 69.734850] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 GS:ffff9f1cbac00000(0000) knlGS:0000000000000000 # [ 59.63296[ 69.749042] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 59.6[ 69.763241] irq event stamp: 0 39373] CR2: ffffffff85208330 CR3: 00000001029a0006 CR4: 00000000[ 69.772862] hardirqs last enabled at (0): [<0000000000000000>] 0x0 003706f0 # WRITE_RO_AFTER_INIT: saw 'call trace:': ok ok 40 se[ 69.786084] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 lftests: lkdtm: WRITE_RO_AFTER_INIT.sh # selftests: lkdtm: WRIT[ 69.801442] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 E_KERN.sh # Killed # [ 59.835750] lkdtm: Performing direct e[ 69.816799] softirqs last disabled at (0): [<0000000000000000>] 0x0 ntry WRITE_KERN # [ 59.845673] lkdtm: attempting bad 6871203 [ 69.830018] ---[ end trace 82f3067a6a326e67 ]--- byte write at ffffffff8476c503 # [ 59.859381] BUG: unable to [ 69.841394] lkdtm: Saturation detected: still saturated handle page fault for address: ffffffff8476c503 # [ 59.873263] #PF: supervisor write access in kernel mode # [ 59.879094] #PF: error_code(0x0003) - permissions violation # [ 59.885315] PGD 15ca29067 P4D 15ca29067 PUD 15ca2a063 PMD 15bc000e1 # [ 59.898630] Oops: 0003 [#16] SMP PTI # [ 59.902609] CPU: 1 PID: 2018 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 59.911247] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 59.918052] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e # [ 59.923206] Code: 53 48 c7 c3 03 c5 76 84 49 89 dc 48 89 da 49 81 ec 60 ec 0d 84 4c 89 e6 e8 8a 9b fd ff 48 89 df 4c 89 e1 48 c7 c6 60 ec 0d 84 a4 48 c7 c7 70 b8 18 85 e8 6f 9b fd ff 5b 41 5c e9 b7 fe ff ff # [ 59.950399] RSP: 0018:ffffaf22828a7e50 EFLAGS: 00010246 # [ 59.956232] RAX: 000000000000003c RBX: ffffffff8476c503 RCX: 000000000068d8a3 # [ 59.964199] RDX: 0000000000000000 RSI: ffffffff840dec60 RDI: ffffffff8476c503 # [ 59.972168] RBP: ffffffff8518aa7a R08: 0000000000000000 R09: 0000000000000000 # [ 59.980137] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000068d8a3 # [ 59.988103] R13: ffffaf22828a7f10 R14: ffffaf22828a7f10 R15: ffff9f1c43534000 # [ 59.996071] FS: 00007febec2f6580(0000) GS:ffff9f1cbac80000(0000) knlGS:0000000000000000 # [ 60.005106] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 60.011521] CR2: ffffffff84[ 69.985503] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED 76c503 CR3: 0000000103504004 CR4: 00000000003706e0 # [ 60.019[ 69.997976] lkdtm: attempting bad refcount_dec_and_test() from saturated 489] Call Trace: # [ 60.022216] direct_entry.cold+0x2c/0x38[ 70.011673] ------------[ cut here ]------------ # [ 60.026596] full_proxy_write+0x53/0x80 # [ 60.037086] [ 70.023041] refcount_t: underflow; use-after-free. vfs_write+0xe7/0x3a0 # [ 60.040785] ksys_write+0x68/0xf0 #[ 70.034635] WARNING: CPU: 1 PID: 2554 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 [ 60.050694] do_syscall_64+0x30/0x40 # [ 60.054684] entr[ 70.050251] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify y_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 60.066532] RIP: 0033[ 70.082918] CPU: 1 PID: 2554 Comm: cat Tainted: G D W 5.10.145-cip17 #1 :0x7febec20c8f3 # [ 60.070521] Code: 8b 15 a1 25 0e 00 f7 d8 [ 70.097761] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 0[ 70.110780] RIP: 0010:refcount_warn_saturate+0xba/0x110 0 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 [ 70.122833] Code: 01 01 e8 24 66 98 00 0f 0b c3 cc cc cc cc 80 3d 62 49 94 01 00 75 85 48 c7 c7 18 65 12 85 c6 05 52 49 94 01 01 e8 01 66 98 00 <0f> 0b c3 cc cc cc cc 80 3d 3d 49 94 01 00 0f 85 5e ff ff ff 48 c7 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 60.091491] RSP:[ 70.150033] RSP: 0018:ffffaf22830dfe40 EFLAGS: 00010286 [ 70.162086] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 002b:00007ffe9b29a8d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000[ 70.170063] RDX: ffff9f1cbacac660 RSI: ffff9f1cbac9bf70 RDI: ffff9f1cbac9bf70 [ 70.184247] RBP: ffffffff8518a798 R08: 0000000000000000 R09: 0000000000000000 01 # [ 60.099947] RAX: ffffffffffffffda RBX: 000000000000000b[ 70.192222] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 70.206404] R13: ffffaf22830dff10 R14: ffffaf22830dff10 R15: ffff9f1c441bb000 RCX: 00007febec20c8f3 # [ 60.107938] RDX: 000000000000000b R[ 70.214379] FS: 00007f383bf56580(0000) GS:ffff9f1cbac80000(0000) knlGS:0000000000000000 [ 70.229629] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 SI: 00007febec0ff000 RDI: 0000000000000001 # [ 60.115907] RBP[ 70.236051] CR2: 00007f383bd5f000 CR3: 0000000103fc6001 CR4: 00000000003706e0 [ 70.250234] Call Trace: : 00007febec0ff000 R08: 00007febec0fe010 R09: 0000000000000000 [ 70.252983] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 60.123865] R10: fffffffffffffbc5 R11: 0000000000000246 R12[ 70.265317] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 : 0000000000000001 # [ 60.131833] R13: 0000000000000001 R14: [ 70.277857] direct_entry.cold+0x2c/0x38 0000000000020000 R15: 0000000000020000 # [ 60.139806] Modules[ 70.288455] full_proxy_write+0x53/0x80 linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core [ 70.298957] vfs_write+0xe7/0x3a0 industrialio_triggered_buffer kfifo_buf industrialio cros_ec_cha[ 70.308872] ksys_write+0x68/0xf0 rdev cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sens[ 70.318790] do_syscall_64+0x30/0x40 orhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ [ 70.328997] entry_SYSCALL_64_after_hwframe+0x61/0xc6 60.172440] CR2: ffffffff8476c503 # [ 60.176136] ---[ end trac[ 70.340856] RIP: 0033:0x7f383be6c8f3 [ 70.351065] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 e 82f3067a6a326e58 ]--- # [ 60.181291] RIP: 0010:lkdtm_BUG+0x[ 70.372053] RSP: 002b:00007ffd41abef38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 70.386723] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f383be6c8f3 5/0x10 # [ 60.185667] Code: 89 ff e8 2e b6 a3 ff 48 c7 c0 ea [ 70.394697] RDX: 0000000000000020 RSI: 00007f383bd5f000 RDI: 0000000000000001 [ 70.408879] RBP: 00007f383bd5f000 R08: 00007f383bd5e010 R09: 0000000000000000 ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 f[ 70.416854] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 70.431035] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 f ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 [ 70.439033] irq event stamp: 0 [ 70.448645] hardirqs last enabled at (0): [<0000000000000000>] 0x0 0f 1f 44 00 00 83 05 80 fc 93 02 # [ 60.206644] RSP: 0018:fff[ 70.455651] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 faf22814f7e60 EFLAGS: 00010286 # [ 60.212478] RAX: ffffffff84[ 70.470999] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 70.486371] softirqs last disabled at (0): [<0000000000000000>] 0x0 0de890 RBX: 0000000000000001 RCX: 0000000000000000 # [ 60.220[ 70.493374] ---[ end trace 82f3067a6a326e68 ]--- [ 70.504737] lkdtm: Saturation detected: still saturated 444] RDX: 0000000000000000 RSI: ffff9f1cbac9bf70 RDI: ffffffff84d9ae90 # [ 60.228414] RBP: ffffffff851e5df0 R08: 0000000000000001 R09: 0000000000000001 # [ 60.236381] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 60.244347] R13: ffffaf22814f7f10 R14: ffffaf22814f7f10 R15: ffff9f1c44c51000 # [ 60.252316] FS: 00007febec2f6580(0000) GS:ffff9f1cbac80000(0000) knlGS:0000000000000000 # [ 60.261353] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 60.267767] CR2: ffffffff8476c503 CR3: 0000000103504004 CR4: 00000000003706e0 # [ 60.275738] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 60.285650] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 2018, name: cat # [ 60.294104] INFO: lockdep is turned off. # [ 60.298479] irq event stamp: 0 # [ 60.301884] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 60.308873] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 60.318027] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 60.327159] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 60.334155] CPU: 1 PID: 2018 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 60.342801] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 60.349603] Call Trace: # [ 60.352329] dump_stac[ 70.642922] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED [ 70.655054] lkdtm: attempting bad refcount_sub_and_test() from saturated [ 70.662549] ------------[ cut here ]------------ k+0x77/0x9b # [ 60.356030] ___might_sleep.cold+0xa6/0xb6 # [ 70.667715] refcount_t: underflow; use-after-free. [ 60.360603] exit_signals+0x1c/0x2e0 # [ 60.364593] do_ex[ 70.679289] WARNING: CPU: 3 PID: 2589 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 [ 70.694922] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify it+0xd5/0xb00 # [ 60.368094] ? ksys_write+0x68/0xf0 # [ 6[ 70.721390] CPU: 3 PID: 2589 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 70.736275] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 0.371984] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 # [ 60.3774[ 70.743095] RIP: 0010:refcount_warn_saturate+0xba/0x110 [ 70.755138] Code: 01 01 e8 24 66 98 00 0f 0b c3 cc cc cc cc 80 3d 62 49 94 01 00 75 85 48 c7 c7 18 65 12 85 c6 05 52 49 94 01 01 e8 01 66 98 00 <0f> 0b c3 cc cc cc cc 80 3d 3d 49 94 01 00 0f 85 5e ff ff ff 48 c7 [ 70.776122] RSP: 0018:ffffaf228312fe40 EFLAGS: 00010286 [ 70.781979] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 30] rewind_stack_do_exit+0x17/0x20 # [ 60.382097] RIP: 0033:[ 70.789954] RDX: ffff9f1cbadac660 RSI: ffff9f1cbad9bf70 RDI: ffff9f1cbad9bf70 [ 70.804138] RBP: ffffffff8518a7b8 R08: 0000000000000000 R09: 0000000000000000 [ 70.812109] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 70.820079] R13: ffffaf228312ff10 R14: ffffaf228312ff10 R15: ffff9f1c44f30000 [ 70.828050] FS: 00007fbc0c1a7580(0000) GS:ffff9f1cbad80000(0000) knlGS:0000000000000000 [ 70.837090] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.843508] CR2: 00007fbc0bfb0000 CR3: 0000000105d12006 CR4: 00000000003706e0 [ 70.851479] Call Trace: [ 70.854211] __refcount_sub_and_test.constprop.0+0x3c/0x50 [ 70.860368] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 [ 70.866715] direct_entry.cold+0x2c/0x38 [ 70.871098] full_proxy_write+0x53/0x80 [ 70.875406] vfs_write+0xe7/0x3a0 [ 70.879128] ksys_write+0x68/0xf0 [ 70.882830] do_syscall_64+0x30/0x40 [ 70.886845] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 70.892486] RIP: 0033:0x7fbc0c0bd8f3 [ 70.896477] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 70.917458] RSP: 002b:00007ffcea857eb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 70.925916] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fbc0c0bd8f3 [ 70.933884] RDX: 0000000000000020 RSI: 00007fbc0bfb0000 RDI: 0000000000000001 [ 70.941853] RBP: 00007fbc0bfb0000 R08: 00007fbc0bfaf010 R09: 0000000000000000 0x7febec20c8f3 # [ 60.386082] Code: 8b 15 a1 25 0e 00 f7 d8 6[ 70.949825] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 70.964011] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 4 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00[ 70.971991] irq event stamp: 0 [ 70.981603] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 70.988607] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 70.997746] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 71.006883] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 71.013884] ---[ end trace 82f3067a6a326e69 ]--- [ 71.019039] lkdtm: Saturation detected: still saturated 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 60.407060] RSP: 002b:00007ffe9b29a8d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 60.415514] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007febec20c8f3 # [ 60.423483] RDX: 000000000000000b RSI: 00007febec0ff000 RDI: 0000000000000001 # [ 60.431444] RBP: 00007febec0ff000 R08: 00007febec0fe010 R09: 0000000000000000 # [ 60.439413] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 60.447381] 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 # [ 60.594451] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 60.605035] lkdtm: attempting good refcount_inc() without overflow # [ 60.611961] lkdtm: attempting bad refcount_inc() overflow # [ 60.618012] ------------[ cut here ]------------ # [ 60.623177] refcount_t: saturated; leaking memory. # [ 60.634745] WARNING: CPU: 3 PID: 2053 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 60.644180] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 60.676846] CPU: 3 PID: 2053 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 60.685495] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 60.692302] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 60.698135] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d cd 49 94 01 00 75 ee 48 c7 c7 c0 64 12 85 c6 05 bd 49 94 01 01 e8 6a 66 98 00 <0f> 0b c3 cc cc cc cc 80 3d a9 49 94 01 00 75 cb 48[ 71.200223] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO [ 71.212207] lkdtm: attempting good copy_to_user of correct size [ 71.218830] lkdtm: attempting bad copy_to_user of too large size c7 c7 e8 64 12 # [ 60.719118] RSP: 0018:ffffaf228292fe48 EFLAGS: 00010286 # [ 60.724956] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 # [ 60.732932] RDX: ffff9f1cbadac660 RSI: ffff9f1cbad9bf70 RDI: ffff9f1cbad9bf70 # [ 60.747119] RBP: ffffffff8518aa85 R08: 0000000000000000 R09: 0000000000000000 # [ 60.761304] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 60.775489] R13: ffffaf228292ff10 R14: ffffaf228292ff10 R15: ffff9f1c43dea000 # [ 60.783466] FS: 00007f5427c6f580(0000) GS:ffff9f1cbad80000(0000) knlGS:0000000000000000 # [ 60.792503] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 60.798920] CR2: 00007f5427a78000 CR3: 00000001047f4003 CR4: 00000000003706e0 # [ 60.806888] Call Trace: # [ 60.809618] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 # [ 60.815014] direct_entry.cold+0x2c/0x38 # [ 60.819448] full_proxy_write+0x53/0x80 # [ 60.823744] vfs_write+0xe7/0x3a0 # [ 60.833646] ksys_write+0x68/0xf0 # [ 60.837346] do_syscall_64+0x30/0x40 # [ 60.841360] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 60.847016] RIP: 0033:0x7f5427b858f3 # [ 60.851037] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0[ 71.342931] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 [ 71.350675] lkdtm: attempting good copy_from_user of correct size b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48[ 71.363709] lkdtm: attempting bad copy_from_user of too large size 83 ec 28 48 89 54 24 18 # [ 60.872030] RSP: 002b:00007fff4ef0c218 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 60.880487] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f5427b858f3 # [ 60.888458] RDX: 0000000000000016 RSI: 00007f5427a78000 RDI: 0000000000000001 # [ 60.896427] RBP: 00007f5427a78000 R08: 00007f5427a77010 R09: 0000000000000000 # [ 60.904397] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 60.912368] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 60.920343] irq event stamp: 0 # [ 60.923774] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 60.936986] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 60.946121] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 60.955257] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 60.962257] ---[ end trace 82f3067a6a326e59 ]--- # [ 60.967411] lkdtm: Overflow detected: saturated # REFCOUNT_INC_OVERFLOW: saw 'call trace:': ok ok 42 selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh # [ 61.090823] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 61.103625] lkdtm: attempting good refc[ 71.500407] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO ount_add() without overflow # [ 61.116745] lkdtm: attempting [ 71.508422] lkdtm: attempting good copy_to_user inside whitelist bad refcount_add() overflow # [ 61.128995] ------------[ cut [ 71.521370] lkdtm: attempting bad copy_to_user outside whitelist here ]------------ # [ 61.140356] refcount_t: saturated; leaking memory. # [ 61.151985] WARNING: CPU: 0 PID: 2085 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 61.167580] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 61.200242] CPU: 0 PID: 2085 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 61.215085] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 61.228124] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 61.240153] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d cd 49 94 01 00 75 ee 48 c7 c7 c0 64 12 85 c6 05 bd 49 94 01 01 e8 6a 66 98 00 <0f> 0b c3 cc cc cc cc 80 3d a9 49 94 01 00 75 cb 48 c7 c7 e8 64 12 # [ 61.267372] RSP: 0018:ffffaf22829b7e48 EFLAGS: 00010286 # [ 61.279402] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 # [ 61.293603] RDX: ffff9f1cbac2c660 RSI: ffff9f1cbac1bf70 RDI: ffff9f1cbac1bf70 # [ 61.307775] RBP: ffffffff8518aa9b R08: 0000000000000000 R09: 0000000000000000 # [ 61.321987] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 61.336150] R13: ffffaf22829b7f10 R14: ffffaf228[ 71.659798] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM 29b7f10 R15: ffff9f1c43537000 # [ 61.350363] FS: 00007f7f9ea[ 71.672235] lkdtm: attempting good copy_from_user inside whitelist ec580(0000) GS:ffff9f1cbac00000(0000) knlGS:0000000000000000 # [ 71.685356] lkdtm: attempting bad copy_from_user outside whitelist [ 61.365597] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 61.378252] CR2: 00007f7f9e8f5000 CR3: 0000000103546002 CR4: 00000000003706f0 # [ 61.392417] Call Trace: # [ 61.401392] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 # [ 61.412933] direct_entry.cold+0x2c/0x38 # [ 61.423546] full_proxy_write+0x53/0x80 # [ 61.434048] vfs_write+0xe7/0x3a0 # [ 61.443988] ksys_write+0x68/0xf0 # [ 61.453861] do_syscall_64+0x30/0x40 # [ 61.464085] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 61.475922] RIP: 0033:0x7f7f9ea028f3 # [ 61.486159] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 61.513333] RSP: 002b:00007ffc2b7b2158 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 61.528050] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f7f9ea028f3 # [ 61.542199] RDX: 0000000000000016 RSI: 00007f7f9e8f5000 RDI: 0000000000000001 # [ 61.556396] RBP: 00007f7f9e8f5000 R08: 00007f7f9e8f4010 R09: 0000000000000000 # [ 61.570568] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 61.584767] R13: 0000000000000001 R14: 0000000000020000 R15: 000000000002000[ 71.822187] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO 0 # [ 61.598939] irq event stamp: 0 # [ 61.608562] hardirq[ 71.829844] lkdtm: good_stack: ffffaf22834f7e20-ffffaf22834f7e40 s last enabled at (0): [<0000000000000000>] 0x0 # [ 61.62180[ 71.842771] lkdtm: bad_stack : ffffaf22834f7da8-ffffaf22834f7dc8 0] hardirqs last disabled at (0): [] copy_proc[ 71.855727] lkdtm: attempting good copy_to_user of local stack ess+0x640/0x1c80 # [ 61.637142] softirqs last enabled at (0)[ 71.868432] lkdtm: attempting bad copy_to_user of distant stack : [] copy_process+0x640/0x1c80 # [ 61.652531] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 61.665717] ---[ end trace 82f3067a6a326e5a ]--- # [ 61.677097] 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 # [ 61.822734] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 61.832679] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 61.845796] ------------[ cut here ]------------ # [ 61.857160] refcount_t: saturated; leaking memory. # [ 61.862542] WARNING: CPU: 1 PID: 2117 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 61.878149] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 61.910785] CPU: 1 PID: 2117 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 61.925649] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 61.932460] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 61.944502] Code: 01 01 e8[ 72.002333] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM [ 72.012848] lkdtm: good_stack: ffffaf228358fe20-ffffaf228358fe40 [ 72.019570] lkdtm: bad_stack : ffffaf228358fda8-ffffaf228358fdc8 [ 72.026301] lkdtm: attempting good copy_from_user of local stack [ 72.033034] lkdtm: attempting bad copy_from_user of distant stack 47 66 98 00 0f 0b c3 cc cc cc cc 80 3d 88 49 94 01 00 75 a8 48 c7 c7 c0 64 12 85 c6 05 78 49 94 01 01 e8 24 66 98 00 <0f> 0b c3 cc cc cc cc 80 3d 62 49 94 01 00 75 85 48 c7 c7 18 65 12 # [ 61.965481] RSP: 0018:ffffaf2282a07e38 EFLAGS: 00010282 # [ 61.977530] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 61.991713] RDX: ffff9f1cbacac660 RSI: ffff9f1cbac9bf70 RDI: ffff9f1cbac9bf70 # [ 62.005900] RBP: ffffffff8518a6d8 R08: 0000000000000000 R09: 0000000000000000 # [ 62.020085] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 62.028057] R13: ffffaf2282a07f10 R14: ffffaf2282a07f10 R15: ffff9f1c45c74000 # [ 62.042241] FS: 00007fc2b14e1580(0000) GS:ffff9f1cbac80000(0000) knlGS:0000000000000000 # [ 62.057519] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 62.070130] CR2: 00007fc2b12ea000 CR3: 000000010560e004 CR4: 00000000003706e0 # [ 62.084312] Call Trace: # [ 62.087046] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 62.099379] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 62.111840] direct_entry.cold+0x2c/0x38 # [ 62.116223] full_proxy_write+0x53/0x80 # [ 62.126711] vfs_write+0xe7/0x3a0 # [ 62.136626] ksys_write+0x68/0xf0 # [ 62.146541] do_syscall_6[ 72.159863] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND 4+0x30/0x40 # [ 62.156744] entry_SYSCALL_64_after_hwframe+0x[ 72.171037] lkdtm: good_stack: ffffaf228361fe20-ffffaf228361fe40 61/0xc6 # [ 62.168599] RIP: 0033:0x7fc2b13f78f3 # [ 62.178[ 72.183993] lkdtm: bad_stack : ffffaf228361fff8-ffffaf2283620018 804] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff[ 72.196922] lkdtm: attempting good copy_to_user of local stack eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 [ 72.209644] lkdtm: attempting bad copy_to_user of distant stack [ 72.222474] lkdtm: copy_to_user failed, but lacked Oops 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 62.199789] RSP: 002b:00007ffd19a33b78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 62.214454] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fc2b13f78f3 # [ 62.222428] RDX: 000000000000001f RSI: 00007fc2b12ea000 RDI: 0000000000000001 # [ 62.236608] RBP: 00007fc2b12ea000 R08: 00007fc2b12e9010 R09: 0000000000000000 # [ 62.244581] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 62.258757] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 62.266734] irq event stamp: 0 # [ 62.276348] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 62.289563] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 62.304916] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 62.320270] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 62.333486] ---[ end trace 82f3067a6a326e5b ]--- # [ 62.344857] lkdtm: Overflow detected: saturated # REFCOUNT_INC_NOT_ZERO_OVERFLOW: saw 'call trace:': ok ok 44 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh # [ 62.468390] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 62.481813] lkd[ 72.356659] lkdtm: Performing direct entry USERCOPY_KERNEL tm: attempting bad refcount_add_not_zero() overflow # [ 62.49[ 72.364992] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff84d9b330 4934] ------------[ cut here ]------------ # [ 62.506300] ref[ 72.379877] lkdtm: attempting bad copy_to_user from kernel text: ffffffff83ae2e20 count_t: saturated; leaking memory. # [ 62.517891] WARNING: C[ 72.394424] lkdtm: FAIL: survived bad copy_to_user() PU: 1 PID: 2149 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 62.533504] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 62.566139] CPU: 1 PID: 2149 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 62.581006] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 62.594037] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 62.606087] Code: 01 01 e8 47 66 98 00 0f 0b c3 cc cc cc cc 80 3d 88 49 94 01 00 75 a8 48 c7 c7 c0 64 12 85 c6 05 78 49 94 01 01 e8 24 66 98 00 <0f> 0b c3 cc cc cc cc 80 3d 62 49 94 01 00 75 85 48 c7 c7 18 65 12 # [ 62.633310] RSP: 0018:ffffaf2282a6fe38 EFLAGS: 00010282 # [ 62.645342] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 62.659528] RDX: ffff9f1cbacac660 RSI: ffff9f1cbac9bf70 RDI: ffff9f1cbac9bf70 # [ 62.673717] RBP: ffffffff8518a6f8 R08: 0000000000000000 R09: 0000000000000000 # [ 62.687904] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 62.702093] R13: ffffaf2282a6ff10 R14: ffffaf2282a6ff10 R15: ffff9f1c43f12000 # [ 62.716281] FS: 00007fc0d8ceb580(0000) GS:ffff9f1cbac80000(0000) knlGS:0000000000000000 # [ 62.731534] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 62.744167] CR2: 00007fc0d8af4000 CR3: 00000001033b2002 CR4: 00000000003706e0 # [ 62.758356] C[ 72.551605] lkdtm: Performing direct entry STACKLEAK_ERASING all Trace: # [ 62.767302] __refcount_add_not_zero.constprop.[ 72.561870] lkdtm: checking unused part of the thread stack (15928 bytes)... 0+0x2a/0x35 # [ 62.779642] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERF[ 72.575988] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) LOW+0x3e/0x76 # [ 62.792081] direct_entry.cold+0x2c/0x38 # [ 72.590001] lkdtm: FAIL: the thread stack is NOT properly erased [ 62.802678] full_proxy_write+0x53/0x80 # [ 62.813174] vf[ 72.602964] CPU: 0 PID: 2954 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 72.617756] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 72.624559] Call Trace: [ 72.627291] dump_stack+0x77/0x9b [ 72.630994] lkdtm_STACKLEAK_ERASING+0x116/0x144 [ 72.636155] direct_entry.cold+0x2c/0x38 [ 72.640535] full_proxy_write+0x53/0x80 [ 72.644813] vfs_write+0xe7/0x3a0 [ 72.648517] ksys_write+0x68/0xf0 [ 72.652218] do_syscall_64+0x30/0x40 [ 72.656212] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 72.661852] RIP: 0033:0x7fd121f7b8f3 [ 72.665840] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 72.686813] RSP: 002b:00007fff2a373278 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 72.695268] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fd121f7b8f3 [ 72.703236] RDX: 0000000000000012 RSI: 00007fd121e6e000 RDI: 0000000000000001 [ 72.711203] RBP: 00007fd121e6e000 R08: 00007fd121e6d010 R09: 0000000000000000 [ 72.719172] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 72.727140] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 s_write+0xe7/0x3a0 # [ 62.823085] ksys_write+0x68/0xf0 # [ 62.833014] do_syscall_64+0x30/0x40 # [ 62.843203] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 62.855058] RIP: 0033:0x7fc0d8c018f3 # [ 62.865261] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 62.892457] RSP: 002b:00007ffc50462188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 62.907128] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fc0d8c018f3 # [ 62.915101] RDX: 000000000000001f RSI: 00007fc0d8af4000 RDI: 0000000000000001 # [ 62.929281] RBP: 00007fc0d8af4000 R08: 00007fc0d8af3010 R09: 0000000000000000 # [ 62.937254] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 62.951434] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 62.959430] irq event stamp: 0 # [ 62.969027] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 62.976031] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 62.991374] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 63.000512] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 63.013721] ---[ end trace 82f3067a6a326e5c ]--- # [ 63.018881] lkdtm: Overflow detected: saturated # REFCOUNT_ADD_NOT_ZERO_OVERFLOW: saw 'call trace:': ok ok 45 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_DEC_ZERO.sh # [ 63.149289] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 63.160850] lkd[ 72.891645] lkdtm: Performing direct entry CFI_FORWARD_PROTO tm: attempting good refcount_dec() # [ 63.166162] lkdtm: atte[ 72.903300] lkdtm: Calling matched prototype ... mpting bad refcount_dec() to zero # [ 63.172128] ------------[ 72.914706] lkdtm: Calling mismatched prototype ... [ cut here ]------------ # [ 63.183482] refcount_t: decrement[ 72.926366] lkdtm: Fail: survived mismatched prototype function call! hit 0; leaking memory. # [ 63.195640] WARNING: CPU: 2 PID: 2181 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 63.205073] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 63.231545] CPU: 2 PID: 2181 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 63.246427] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 63.253249] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 63.265288] Code: 70 65 12 85 c6 05 29 49 94 01 01 e8 da 65 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 40 65 12 85 c6 05 10 49 94 01 01 e8 c0 65 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 63.286272] RSP: 0018:ffffaf2282ad7e48 EFLAGS: 00010286 # [ 63.292107] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 # [ 63.300078] RDX: ffff9f1cbad2c660 RSI: ffff9f1cbad1bf70 RDI: ffff9f1cbad1bf70 # [ 63.308047] RBP: ffffffff8518aab1 R08: 0000000000000000 R09: 0000000000000000 # [ 63.316028] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 63.323998] R13: ffffaf2282ad7f10 R14: ffffaf2282ad7f10 R15: ffff9f1c45573000 # [ 63.331986] FS: 00007fee636f5580(0000) GS:ffff9f1cbad00000(0000) knlGS:0000000000000000 # [ 63.341030] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 63.353656] CR2: 00007fee634fe000 CR3: 0000000105532004 CR4: 00000000003706e0 # [ 63.361627] Call Trace: # [ 63.364357] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd # [ 63.369345] direct_entry.cold+0x2c/0x38 # [ 63.373750] full_proxy_write+0x53/0x80 # [ 63.378056] vfs_write+0xe7/0x3a0 # [ 63.381780] ksys_write+0x68/0xf0 # [ 63.385481] do_syscall_64+0x30/0x40 # [ 63.389495] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 63.395137] RIP: 0033:0x7fee6360b8f3 # [ 63.399126] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 63.420107] RSP: 002b:00007ffd40c0efa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 63.428564] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fee6360b8f3 # [ 63.436535] RDX: 0000000000000012 RSI: 00007fee634fe000 RDI: 0000000000000001 # [ 63.444504] RBP: 00007fee634fe000 R08: 00007fee634fd010 R09: 0000000000000000 # [ 63.452475] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 63.466661] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 63.474638] irq event stamp: 0 # [ 63.484252] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 63.491284] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 63.500420] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 63.509558] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 63.516560] ---[ end trace 82f3067a6a326e5d ]--- # [ 63.521716] lkdtm: Zero detected: saturated # REFCOUNT_DEC_ZERO: saw 'call trace:': ok ok 46 selftests: lkdtm: REFCOUNT_DEC_ZERO.sh # selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh # [ 63.669886] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 63.682329] lkdtm: attempting bad refcount_dec() below zero # [ 63.694771] ------------[ cut here ]------------ # [ 63.706172] refcount_t: decrement hit 0; leaking memory. # [ 63.718362] WARNING: CPU: 0 PID: 2216 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 63.733996] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 63.766654] CPU: 0 PID: 2216 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 63.781509] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 63.794576] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 63.806590] Code: 70 65 12 85 c6 05 29 49 94 01 01 e8 da 65 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 40 65 12 85 c6 05 10 49 94 01 01 e8 c0 65 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 63.833808] RSP: 0018:ffffaf2282b97e48 EFLAGS: 00010286 # [ 63.845901] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 # [ 63.860060] RDX: ffff9f1cbac2c660 RSI: ffff9f1cbac1bf70 RDI: ffff9f1cbac1bf70 # [ 63.874214] RBP: ffffffff8518aac3 R08: 0000000000000000 R09: 0000000000000000 # [ 63.888417] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 63.902574] R13: ffffaf2282b97f10 R14: ffffaf2282b97f10 R15: ffff9f1c456da000 # [ 63.916813] FS: 00007fa48fe4c580(0000) GS:ffff9f1cbac00000(0000) knlGS:0000000000000000 # [ 63.932050] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 63.944697] CR2: 00007fa48fc55000 CR3: 00000001054ba005 CR4: 00000000003706f0 # [ 63.958881] Call Trace: # [ 63.967854] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 # [ 63.979405] direct_entry.cold+0x2c/0x38 # [ 63.990051] full_proxy_write+0x53/0x80 # [ 64.000507] vfs_write+0xe7/0x3a0 # [ 64.010449] ksys_write+0x68/0xf0 # [ 64.020365] do_syscall_64+0x30/0x40 # [ 64.030570] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 64.042419] RIP: 0033:0x7fa48fd628f3 # [ 64.052691] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 64.079838] RSP: 002b:00007ffe6f37ba58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 64.094511] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fa48fd628f3 # [ 64.108688] RDX: 0000000000000016 RSI: 00007fa48fc55000 RDI: 0000000000000001 # [ 64.122861] RBP: 00007fa48fc55000 R08: 00007fa48fc54010 R09: 0000000000000000 # [ 64.137068] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 64.151270] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 64.165467] irq event stamp: 0 # [ 64.175072] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 64.188290] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 64.203711] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 64.219083] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 64.232300] ---[ end trace 82f3067a6a326e5e ]--- # [ 64.243690] lkdtm: Negative detected: saturated # REFCOUNT_DEC_NEGATIVE: saw 'Negative detected: saturated': ok ok 47 selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh # [ 64.379862] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 64.393143] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 64.406471] ------------[ cut here ]------------ # [ 64.417836] refcount_t: underflow; use-after-free. # [ 64.429458] WARNING: CPU: 0 PID: 2251 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 64.445053] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 64.477707] CPU: 0 PID: 2251 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 64.492594] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 64.505639] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 64.517678] Code: 01 01 e8 24 66 98 00 0f 0b c3 cc cc cc cc 80 3d 62 49 94 01 00 75 85 48 c7 c7 18 65 12 85 c6 05 52 49 94 01 01 e8 01 66 98 00 <0f> 0b c3 cc cc cc cc 80 3d 3d 49 94 01 00 0f 85 5e ff ff ff 48 c7 # [ 64.544916] RSP: 0018:ffffaf2282c17e40 EFLAGS: 00010286 # [ 64.556954] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 # [ 64.571203] RDX: ffff9f1cbac2c660 RSI: ffff9f1cbac1bf70 RDI: ffff9f1cbac1bf70 # [ 64.585388] RBP: ffffffff8518a718 R08: 0000000000000000 R09: 0000000000000000 # [ 64.599625] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 64.613792] R13: ffffaf2282c17f10 R14: ffffaf2282c17f10 R15: ffff9f1c433b5000 # [ 64.628036] FS: 00007fbb9a922580(0000) GS:ffff9f1cbac00000(0000) knlGS:0000000000000000 # [ 64.643286] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 64.655976] CR2: 00007fbb9a72b000 CR3: 0000000104e06004 CR4: 00000000003706f0 # [ 64.670138] Call Trace: # [ 64.679147] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 64.691457] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 # [ 64.703965] direct_entry.cold+0x2c/0x38 # [ 64.714501] full_proxy_write+0x53/0x80 # [ 64.725051] vfs_write+0xe7/0x3a0 # [ 64.734937] ksys_write+0x68/0xf0 # [ 64.744860] do_syscall_64+0x30/0x40 # [ 64.755054] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 64.766954] RIP: 0033:0x7fbb9a8388f3 # [ 64.777109] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 64.804367] RSP: 002b:00007ffe7e242f48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 64.819039] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fbb9a8388f3 # [ 64.833239] RDX: 000000000000001f RSI: 00007fbb9a72b000 RDI: 0000000000000001 # [ 64.847413] RBP: 00007fbb9a72b000 R08: 00007fbb9a72a010 R09: 0000000000000000 # [ 64.861601] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 64.875792] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 64.890036] irq event stamp: 0 # [ 64.899645] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 64.912884] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 64.928254] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 64.943589] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 64.956809] ---[ end trace 82f3067a6a326e5f ]--- # [ 64.968182] 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 # [ 65.105044] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 65.117573] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 65.130907] ------------[ cut here ]------------ # [ 65.142275] refcount_t: underflow; use-after-free. # [ 65.153850] WARNING: CPU: 0 PID: 2286 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 65.169480] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 65.202116] CPU: 0 PID: 2286 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 65.216975] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 65.229992] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 65.242071] Code: 01 01 e8 24 66 98 00 0f 0b c3 cc cc cc cc 80 3d 62 49 94 01 00 75 85 48 c7 c7 18 65 12 85 c6 05 52 49 94 01 01 e8 01 66 98 00 <0f> 0b c3 cc cc cc cc 80 3d 3d 49 94 01 00 0f 85 5e ff ff ff 48 c7 # [ 65.269296] RSP: 0018:ffffaf2282c97e40 EFLAGS: 00010286 # [ 65.281364] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 # [ 65.295587] RDX: ffff9f1cbac2c660 RSI: ffff9f1cbac1bf70 RDI: ffff9f1cbac1bf70 # [ 65.309744] RBP: ffffffff8518a738 R08: 0000000000000000 R09: 0000000000000000 # [ 65.323962] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 65.338140] R13: ffffaf2282c97f10 R14: ffffaf2282c97f10 R15: ffff9f1c43452000 # [ 65.352338] FS: 00007fa714181580(0000) GS:ffff9f1cbac00000(0000) knlGS:0000000000000000 # [ 65.367559] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 65.380207] CR2: 00007fa713f8a000 CR3: 0000000104de8001 CR4: 00000000003706f0 # [ 65.394402] Call Trace: # [ 65.403375] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 65.415740] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b # [ 65.428177] direct_entry.cold+0x2c/0x38 # [ 65.438786] full_proxy_write+0x53/0x80 # [ 65.449298] vfs_write+0xe7/0x3a0 # [ 65.459213] ksys_write+0x68/0xf0 # [ 65.469171] do_syscall_64+0x30/0x40 # [ 65.479332] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 65.491178] RIP: 0033:0x7fa7140978f3 # [ 65.501396] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 65.528617] RSP: 002b:00007ffeb77389e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 65.543269] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fa7140978f3 # [ 65.557476] RDX: 000000000000001f RSI: 00007fa713f8a000 RDI: 0000000000000001 # [ 65.571643] RBP: 00007fa713f8a000 R08: 00007fa713f89010 R09: 0000000000000000 # [ 65.585873] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 65.600050] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 65.614285] irq event stamp: 0 # [ 65.623868] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 65.637111] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 65.652476] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 65.667822] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 65.681052] ---[ end trace 82f3067a6a326e60 ]--- # [ 65.692438] lkdtm: Negative detected: saturated # REFCOUNT_SUB_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok ok 49 selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_INC_ZERO.sh # [ 65.813102] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 65.821857] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 65.828989] lkdtm: Good: zero detected # [ 65.833176] lkdtm: Correctly stayed at zero # [ 65.837847] lkdtm: attempting bad refcount_inc() from zero # [ 65.844005] ------------[ cut here ]------------ # [ 65.849161] refcount_t: addition on 0; use-after-free. # [ 65.854925] WARNING: CPU: 3 PID: 2318 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 65.864364] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 65.897015] CPU: 3 PID: 2318 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 65.905698] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 65.912505] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 65.918342] Code: 01 01 e8 6a 66 98 00 0f 0b c3 cc cc cc cc 80 3d a9 49 94 01 00 75 cb 48 c7 c7 e8 64 12 85 c6 05 99 49 94 01 01 e8 47 66 98 00 <0f> 0b c3 cc cc cc cc 80 3d 88 49 94 01 00 75 a8 48 c7 c7 c0 64 12 # [ 65.939327] RSP: 0018:ffffaf2282cf7e48 EFLAGS: 00010286 # [ 65.945187] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 # [ 65.953158] RDX: ffff9f1cbadac660 RSI: ffff9f1cbad9bf70 RDI: ffff9f1cbad9bf70 # [ 65.961128] RBP: ffffffff8518aad9 R08: 0000000000000000 R09: 0000000000000000 # [ 65.969102] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 65.983289] R13: ffffaf2282cf7f10 R14: ffffaf2282cf7f10 R15: ffff9f1c456da000 # [ 65.991266] FS: 00007f5c27f9d580(0000) GS:ffff9f1cbad80000(0000) knlGS:0000000000000000 # [ 66.006517] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 66.012981] CR2: 00007f5c27da6000 CR3: 0000000103552004 CR4: 00000000003706e0 # [ 66.020956] Call Trace: # [ 66.029899] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 # [ 66.034893] direct_entry.cold+0x2c/0x38 # [ 66.039306] full_proxy_write+0x53/0x80 # [ 66.043619] vfs_write+0xe7/0x3a0 # [ 66.047319] ksys_write+0x68/0xf0 # [ 66.051032] do_syscall_64+0x30/0x40 # [ 66.055046] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 66.060689] RIP: 0033:0x7f5c27eb38f3 # [ 66.064681] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 66.085689] RSP: 002b:00007fff3b8bc798 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 66.094164] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f5c27eb38f3 # [ 66.108341] RDX: 0000000000000012 RSI: 00007f5c27da6000 RDI: 0000000000000001 # [ 66.116312] RBP: 00007f5c27da6000 R08: 00007f5c27da5010 R09: 0000000000000000 # [ 66.124284] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 66.132253] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 66.140227] irq event stamp: 0 # [ 66.143663] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 66.156873] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 66.166029] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 66.175164] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 66.182164] ---[ end trace 82f3067a6a326e61 ]--- # [ 66.187318] 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 # [ 66.304940] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 66.316469] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 66.323570] lkdtm: Good: zero detected # [ 66.333966] lkdtm: Correctly stayed at zero # [ 66.344848] lkdtm: attempting bad refcount_add() from zero # [ 66.357193] ------------[ cut here ]------------ # [ 66.368562] refcount_t: addition on 0; use-after-free. # [ 66.374329] WARNING: CPU: 1 PID: 2350 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 66.389939] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 66.422637] CPU: 1 PID: 2350 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 66.437478] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 66.450500] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 66.462552] Code: 01 01 e8 6a 66 98 00 0f 0b c3 cc cc cc cc 80 3d a9 49 94 01 00 75 cb 48 c7 c7 e8 64 12 85 c6 05 99 49 94 01 01 e8 47 66 98 00 <0f> 0b c3 cc cc cc cc 80 3d 88 49 94 01 00 75 a8 48 c7 c7 c0 64 12 # [ 66.483535] RSP: 0018:ffffaf2282dc7e48 EFLAGS: 00010286 # [ 66.495581] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 # [ 66.503555] RDX: ffff9f1cbacac660 RSI: ffff9f1cbac9bf70 RDI: ffff9f1cbac9bf70 # [ 66.517735] RBP: ffffffff8518aaeb R08: 0000000000000000 R09: 0000000000000000 # [ 66.525709] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 66.539888] R13: ffffaf2282dc7f10 R14: ffffaf2282dc7f10 R15: ffff9f1c4408e000 # [ 66.547864] FS: 00007f32f67c1580(0000) GS:ffff9f1cbac80000(0000) knlGS:0000000000000000 # [ 66.563112] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 66.569529] CR2: 00007f32f65ca000 CR3: 0000000103308004 CR4: 00000000003706e0 # [ 66.583712] Call Trace: # [ 66.586445] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 # [ 66.597616] direct_entry.cold+0x2c/0x38 # [ 66.608213] full_proxy_write+0x53/0x80 # [ 66.618712] vfs_write+0xe7/0x3a0 # [ 66.628626] ksys_write+0x68/0xf0 # [ 66.638541] do_syscall_64+0x30/0x40 # [ 66.648746] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 66.660603] RIP: 0033:0x7f32f66d78f3 # [ 66.664595] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 66.691788] RSP: 002b:00007fff4881b138 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 66.706463] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f32f66d78f3 # [ 66.714439] RDX: 0000000000000012 RSI: 00007f32f65ca000 RDI: 0000000000000001 # [ 66.728619] RBP: 00007f32f65ca000 R08: 00007f32f65c9010 R09: 0000000000000000 # [ 66.736592] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 66.750769] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 66.758764] irq event stamp: 0 # [ 66.768359] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 66.781577] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 66.796928] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 66.806068] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 66.819278] ---[ end trace 82f3067a6a326e62 ]--- # [ 66.824435] lkdtm: Zero detected: saturated # REFCOUNT_ADD_ZERO: saw 'call trace:': ok ok 51 selftests: lkdtm: REFCOUNT_ADD_ZERO.sh # selftests: lkdtm: REFCOUNT_INC_SATURATED.sh # [ 66.957677] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 66.966448] lkdtm: attempting bad refcount_inc() from saturated # [ 66.973094] ------------[ cut here ]------------ # [ 66.984454] refcount_t: saturated; leaking memory. # [ 66.989823] WARNING: CPU: 3 PID: 2385 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 66.999259] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 67.025727] CPU: 3 PID: 2385 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 67.040584] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 67.047393] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 67.053231] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d cd 49 94 01 00 75 ee 48 c7 c7 c0 64 12 85 c6 05 bd 49 94 01 01 e8 6a 66 98 00 <0f> 0b c3 cc cc cc cc 80 3d a9 49 94 01 00 75 cb 48 c7 c7 e8 64 12 # [ 67.074241] RSP: 0018:ffffaf2282e27e48 EFLAGS: 00010286 # [ 67.080079] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 # [ 67.088053] RDX: ffff9f1cbadac660 RSI: ffff9f1cbad9bf70 RDI: ffff9f1cbad9bf70 # [ 67.096036] RBP: ffffffff8518aafd R08: 0000000000000000 R09: 0000000000000000 # [ 67.104028] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 67.112004] R13: ffffaf2282e27f10 R14: ffffaf2282e27f10 R15: ffff9f1c43536000 # [ 67.120031] FS: 00007f3066597580(0000) GS:ffff9f1cbad80000(0000) knlGS:0000000000000000 # [ 67.129074] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 67.135493] CR2: 00007f30663a0000 CR3: 0000000104e40003 CR4: 00000000003706e0 # [ 67.143466] Call Trace: # [ 67.146199] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 # [ 67.151682] direct_entry.cold+0x2c/0x38 # [ 67.156093] full_proxy_write+0x53/0x80 # [ 67.166584] vfs_write+0xe7/0x3a0 # [ 67.170316] ksys_write+0x68/0xf0 # [ 67.174036] do_syscall_64+0x30/0x40 # [ 67.178058] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 67.183704] RIP: 0033:0x7f30664ad8f3 # [ 67.187701] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 67.208686] RSP: 002b:00007ffd8d1476f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 67.217177] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f30664ad8f3 # [ 67.225151] RDX: 0000000000000017 RSI: 00007f30663a0000 RDI: 0000000000000001 # [ 67.233123] RBP: 00007f30663a0000 R08: 00007f306639f010 R09: 0000000000000000 # [ 67.241098] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 67.255283] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 67.263264] irq event stamp: 0 # [ 67.272876] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 67.279910] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 67.289047] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 67.298184] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 67.305185] ---[ end trace 82f3067a6a326e63 ]--- # [ 67.310341] lkdtm: Saturation detected: still saturated # REFCOUNT_INC_SATURATED: saw 'Saturation detected: still saturated': ok ok 52 selftests: lkdtm: REFCOUNT_INC_SATURATED.sh # selftests: lkdtm: REFCOUNT_DEC_SATURATED.sh # [ 67.431817] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 67.441156] lkdtm: attempting bad refcount_dec() from saturated # [ 67.453988] ------------[ cut here ]------------ # [ 67.465356] refcount_t: decrement hit 0; leaking memory. # [ 67.477530] WARNING: CPU: 1 PID: 2420 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 67.493145] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 67.525786] CPU: 1 PID: 2420 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 67.540653] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 67.553677] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 67.565728] Code: 70 65 12 85 c6 05 29 49 94 01 01 e8 da 65 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 40 65 12 85 c6 05 10 49 94 01 01 e8 c0 65 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 67.592963] RSP: 0018:ffffaf2282ebfe48 EFLAGS: 00010286 # [ 67.604981] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 # [ 67.612978] RDX: ffff9f1cbacac660 RSI: ffff9f1cbac9bf70 RDI: ffff9f1cbac9bf70 # [ 67.627161] RBP: ffffffff8518ab14 R08: 0000000000000000 R09: 0000000000000000 # [ 67.635135] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 67.649316] R13: ffffaf2282ebff10 R14: ffffaf2282ebff10 R15: ffff9f1c45657000 # [ 67.657291] FS: 00007f6c376da580(0000) GS:ffff9f1cbac80000(0000) knlGS:0000000000000000 # [ 67.672541] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 67.678977] CR2: 00007f6c374e3000 CR3: 00000001055ee003 CR4: 00000000003706e0 # [ 67.693158] Call Trace: # [ 67.695891] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f # [ 67.707546] direct_entry.cold+0x2c/0x38 # [ 67.718140] full_proxy_write+0x53/0x80 # [ 67.728636] vfs_write+0xe7/0x3a0 # [ 67.738551] ksys_write+0x68/0xf0 # [ 67.748468] do_syscall_64+0x30/0x40 # [ 67.758673] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 67.770529] RIP: 0033:0x7f6c375f08f3 # [ 67.774522] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 67.801716] RSP: 002b:00007ffeaf139dd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 67.810172] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f6c375f08f3 # [ 67.824355] RDX: 0000000000000017 RSI: 00007f6c374e3000 RDI: 0000000000000001 # [ 67.838543] RBP: 00007f6c374e3000 R08: 00007f6c374e2010 R09: 0000000000000000 # [ 67.846516] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 67.860699] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 67.868696] irq event stamp: 0 # [ 67.878291] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 67.885296] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 67.900640] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 67.909779] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 67.922989] ---[ end trace 82f3067a6a326e64 ]--- # [ 67.928147] 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 # [ 68.058256] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 68.071332] lkdtm: attempting bad refcount_dec() from saturated # [ 68.077972] ------------[ cut here ]------------ # [ 68.083158] refcount_t: saturated; leaking memory. # [ 68.088539] WARNING: CPU: 3 PID: 2455 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 68.097979] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 68.130617] CPU: 3 PID: 2455 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 68.139297] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 68.146105] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 68.151967] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d cd 49 94 01 00 75 ee 48 c7 c7 c0 64 12 85 c6 05 bd 49 94 01 01 e8 6a 66 98 00 <0f> 0b c3 cc cc cc cc 80 3d a9 49 94 01 00 75 cb 48 c7 c7 e8 64 12 # [ 68.172969] RSP: 0018:ffffaf2282f3fe48 EFLAGS: 00010286 # [ 68.185030] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 # [ 68.193000] RDX: ffff9f1cbadac660 RSI: ffff9f1cbad9bf70 RDI: ffff9f1cbad9bf70 # [ 68.200993] RBP: ffffffff8518ab2b R08: 0000000000000000 R09: 0000000000000000 # [ 68.208980] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 68.216955] R13: ffffaf2282f3ff10 R14: ffffaf2282f3ff10 R15: ffff9f1c44c45000 # [ 68.231138] FS: 00007f8d7d0d2580(0000) GS:ffff9f1cbad80000(0000) knlGS:0000000000000000 # [ 68.240176] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 68.246594] CR2: 00007f8d7cedb000 CR3: 0000000105d14004 CR4: 00000000003706e0 # [ 68.254566] Call Trace: # [ 68.257297] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 # [ 68.262769] direct_entry.cold+0x2c/0x38 # [ 68.267150] full_proxy_write+0x53/0x80 # [ 68.271457] vfs_write+0xe7/0x3a0 # [ 68.275157] ksys_write+0x68/0xf0 # [ 68.278857] do_syscall_64+0x30/0x40 # [ 68.282850] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 68.288493] RIP: 0033:0x7f8d7cfe88f3 # [ 68.292484] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 68.313469] RSP: 002b:00007fff4af8b9f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 68.321926] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f8d7cfe88f3 # [ 68.329898] RDX: 0000000000000017 RSI: 00007f8d7cedb000 RDI: 0000000000000001 # [ 68.337870] RBP: 00007f8d7cedb000 R08: 00007f8d7ceda010 R09: 0000000000000000 # [ 68.345842] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 68.353813] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 68.361790] irq event stamp: 0 # [ 68.365229] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 68.378448] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 68.393802] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 68.402939] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 68.409979] ---[ end trace 82f3067a6a326e65 ]--- # [ 68.415134] lkdtm: Saturation detected: still saturated # REFCOUNT_ADD_SATURATED: saw 'Saturation detected: still saturated': ok ok 54 selftests: lkdtm: REFCOUNT_ADD_SATURATED.sh # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh # [ 68.538921] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 68.547057] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 68.560785] ------------[ cut here ]------------ # [ 68.572152] refcount_t: saturated; leaking memory. # [ 68.583753] WARNING: CPU: 0 PID: 2487 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 68.599363] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 68.632024] CPU: 0 PID: 2487 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 68.646878] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 68.659935] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 68.671953] Code: 01 01 e8 47 66 98 00 0f 0b c3 cc cc cc cc 80 3d 88 49 94 01 00 75 a8 48 c7 c7 c0 64 12 85 c6 05 78 49 94 01 01 e8 24 66 98 00 <0f> 0b c3 cc cc cc cc 80 3d 62 49 94 01 00 75 85 48 c7 c7 18 65 12 # [ 68.699150] RSP: 0018:ffffaf2282f8fe38 EFLAGS: 00010282 # [ 68.711179] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 68.725379] RDX: ffff9f1cbac2c660 RSI: ffff9f1cbac1bf70 RDI: ffff9f1cbac1bf70 # [ 68.739545] RBP: ffffffff8518a758 R08: 0000000000000000 R09: 0000000000000000 # [ 68.753741] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 68.767926] R13: ffffaf2282f8ff10 R14: ffffaf2282f8ff10 R15: ffff9f1c45dfd000 # [ 68.782128] FS: 00007f92a48fd580(0000) GS:ffff9f1cbac00000(0000) knlGS:0000000000000000 # [ 68.797377] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 68.810017] CR2: 00007f92a4706000 CR3: 0000000103c08004 CR4: 00000000003706f0 # [ 68.824203] Call Trace: # [ 68.833167] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 68.845483] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 # [ 68.858036] direct_entry.cold+0x2c/0x38 # [ 68.868615] full_proxy_write+0x53/0x80 # [ 68.879128] vfs_write+0xe7/0x3a0 # [ 68.889043] ksys_write+0x68/0xf0 # [ 68.898990] do_syscall_64+0x30/0x40 # [ 68.909159] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 68.921016] RIP: 0033:0x7f92a48138f3 # [ 68.931214] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 68.958419] RSP: 002b:00007ffce4368ff8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 68.973075] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f92a48138f3 # [ 68.987282] RDX: 0000000000000020 RSI: 00007f92a4706000 RDI: 0000000000000001 # [ 69.001459] RBP: 00007f92a4706000 R08: 00007f92a4705010 R09: 0000000000000000 # [ 69.015652] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 69.029840] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 69.044045] irq event stamp: 0 # [ 69.053651] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 69.066889] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 69.082226] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 69.097612] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 69.110807] ---[ end trace 82f3067a6a326e66 ]--- # [ 69.122189] lkdtm: Saturation detected: still saturated # REFCOUNT_INC_NOT_ZERO_SATURATED: saw 'call trace:': ok ok 55 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh # [ 69.260223] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 69.272434] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 69.286144] ------------[ cut here ]------------ # [ 69.297509] refcount_t: saturated; leaking memory. # [ 69.309104] WARNING: CPU: 1 PID: 2519 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 69.324719] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 69.357357] CPU: 1 PID: 2519 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 69.372226] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 69.385250] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 69.397304] Code: 01 01 e8 47 66 98 00 0f 0b c3 cc cc cc cc 80 3d 88 49 94 01 00 75 a8 48 c7 c7 c0 64 12 85 c6 05 78 49 94 01 01 e8 24 66 98 00 <0f> 0b c3 cc cc cc cc 80 3d 62 49 94 01 00 75 85 48 c7 c7 18 65 12 # [ 69.424509] RSP: 0018:ffffaf228304fe38 EFLAGS: 00010282 # [ 69.436563] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 69.450752] RDX: ffff9f1cbacac660 RSI: ffff9f1cbac9bf70 RDI: ffff9f1cbac9bf70 # [ 69.464938] RBP: ffffffff8518a778 R08: 0000000000000000 R09: 0000000000000000 # [ 69.479154] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 69.493320] R13: ffffaf228304ff10 R14: ffffaf228304ff10 R15: ffff9f1c45ca1000 # [ 69.507505] FS: 00007f16be00c580(0000) GS:ffff9f1cbac80000(0000) knlGS:0000000000000000 # [ 69.522761] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 69.535396] CR2: 00007f16bde15000 CR3: 0000000103c08004 CR4: 00000000003706e0 # [ 69.549583] Call Trace: # [ 69.552314] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 69.564649] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 # [ 69.577182] direct_entry.cold+0x2c/0x38 # [ 69.587780] full_proxy_write+0x53/0x80 # [ 69.598276] vfs_write+0xe7/0x3a0 # [ 69.608190] ksys_write+0x68/0xf0 # [ 69.618104] do_syscall_64+0x30/0x40 # [ 69.628335] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 69.640191] RIP: 0033:0x7f16bdf228f3 # [ 69.650397] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 69.677599] RSP: 002b:00007ffdfee5f138 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 69.692273] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f16bdf228f3 # [ 69.706475] RDX: 0000000000000020 RSI: 00007f16bde15000 RDI: 0000000000000001 # [ 69.720663] RBP: 00007f16bde15000 R08: 00007f16bde14010 R09: 0000000000000000 # [ 69.734850] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 69.749042] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 69.763241] irq event stamp: 0 # [ 69.772862] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 69.786084] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 69.801442] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 69.816799] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 69.830018] ---[ end trace 82f3067a6a326e67 ]--- # [ 69.841394] 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 # [ 69.985503] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 69.997976] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 70.011673] ------------[ cut here ]------------ # [ 70.023041] refcount_t: underflow; use-after-free. # [ 70.034635] WARNING: CPU: 1 PID: 2554 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 70.050251] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 70.082918] CPU: 1 PID: 2554 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 70.097761] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 70.110780] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 70.122833] Code: 01 01 e8 24 66 98 00 0f 0b c3 cc cc cc cc 80 3d 62 49 94 01 00 75 85 48 c7 c7 18 65 12 85 c6 05 52 49 94 01 01 e8 01 66 98 00 <0f> 0b c3 cc cc cc cc 80 3d 3d 49 94 01 00 0f 85 5e ff ff ff 48 c7 # [ 70.150033] RSP: 0018:ffffaf22830dfe40 EFLAGS: 00010286 # [ 70.162086] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 # [ 70.170063] RDX: ffff9f1cbacac660 RSI: ffff9f1cbac9bf70 RDI: ffff9f1cbac9bf70 # [ 70.184247] RBP: ffffffff8518a798 R08: 0000000000000000 R09: 0000000000000000 # [ 70.192222] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 70.206404] R13: ffffaf22830dff10 R14: ffffaf22830dff10 R15: ffff9f1c441bb000 # [ 70.214379] FS: 00007f383bf56580(0000) GS:ffff9f1cbac80000(0000) knlGS:0000000000000000 # [ 70.229629] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 70.236051] CR2: 00007f383bd5f000 CR3: 0000000103fc6001 CR4: 00000000003706e0 # [ 70.250234] Call Trace: # [ 70.252983] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 70.265317] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 # [ 70.277857] direct_entry.cold+0x2c/0x38 # [ 70.288455] full_proxy_write+0x53/0x80 # [ 70.298957] vfs_write+0xe7/0x3a0 # [ 70.308872] ksys_write+0x68/0xf0 # [ 70.318790] do_syscall_64+0x30/0x40 # [ 70.328997] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 70.340856] RIP: 0033:0x7f383be6c8f3 # [ 70.351065] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 70.372053] RSP: 002b:00007ffd41abef38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 70.386723] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f383be6c8f3 # [ 70.394697] RDX: 0000000000000020 RSI: 00007f383bd5f000 RDI: 0000000000000001 # [ 70.408879] RBP: 00007f383bd5f000 R08: 00007f383bd5e010 R09: 0000000000000000 # [ 70.416854] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 70.431035] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 70.439033] irq event stamp: 0 # [ 70.448645] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 70.455651] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 70.470999] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 70.486371] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 70.493374] ---[ end trace 82f3067a6a326e68 ]--- # [ 70.504737] lkdtm: Saturation detected: still saturated # REFCOUNT_DEC_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok ok 57 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh # [ 70.642922] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 70.655054] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 70.662549] ------------[ cut here ]------------ # [ 70.667715] refcount_t: underflow; use-after-free. # [ 70.679289] WARNING: CPU: 3 PID: 2589 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 70.694922] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 70.721390] CPU: 3 PID: 2589 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 70.736275] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 70.743095] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 70.755138] Code: 01 01 e8 24 66 98 00 0f 0b c3 cc cc cc cc 80 3d 62 49 94 01 00 75 85 48 c7 c7 18 65 12 85 c6 05 52 49 94 01 01 e8 01 66 98 00 <0f> 0b c3 cc cc cc cc 80 3d 3d 49 94 01 00 0f 85 5e ff ff ff 48 c7 # [ 70.776122] RSP: 0018:ffffaf228312fe40 EFLAGS: 00010286 # [ 70.781979] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 # [ 70.789954] RDX: ffff9f1cbadac660 RSI: ffff9f1cbad9bf70 RDI: ffff9f1cbad9bf70 # [ 70.804138] RBP: ffffffff8518a7b8 R08: 0000000000000000 R09: 0000000000000000 # [ 70.812109] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 70.820079] R13: ffffaf228312ff10 R14: ffffaf228312ff10 R15: ffff9f1c44f30000 # [ 70.828050] FS: 00007fbc0c1a7580(0000) GS:ffff9f1cbad80000(0000) knlGS:0000000000000000 # [ 70.837090] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 70.843508] CR2: 00007fbc0bfb0000 CR3: 0000000105d12006 CR4: 00000000003706e0 # [ 70.851479] Call Trace: # [ 70.854211] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 70.860368] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 # [ 70.866715] direct_entry.cold+0x2c/0x38 # [ 70.871098] full_proxy_write+0x53/0x80 # [ 70.875406] vfs_write+0xe7/0x3a0 # [ 70.879128] ksys_write+0x68/0xf0 # [ 70.882830] do_syscall_64+0x30/0x40 # [ 70.886845] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 70.892486] RIP: 0033:0x7fbc0c0bd8f3 # [ 70.896477] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 70.917458] RSP: 002b:00007ffcea857eb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 70.925916] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fbc0c0bd8f3 # [ 70.933884] RDX: 0000000000000020 RSI: 00007fbc0bfb0000 RDI: 0000000000000001 # [ 70.941853] RBP: 00007fbc0bfb0000 R08: 00007fbc0bfaf010 R09: 0000000000000000 # [ 70.949825] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 70.964011] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 70.971991] irq event stamp: 0 # [ 70.981603] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 70.988607] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 70.997746] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 71.006883] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 71.013884] ---[ end trace 82f3067a6a326e69 ]--- # [ 71.019039] lkdtm: Saturation detected: still saturated # REFCOUNT_SUB_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok ok 58 selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh # selftests: lkdtm: REFCOUNT_TIMING.sh # Skipping REFCOUNT_TIMING: timing only ok 59 selftests: lkdtm: REFCOUNT_TIMING.sh # SKIP # selftests: lkdtm: ATOMIC_TIMING.sh # Skipping ATOMIC_TIMING: timing only ok 60 selftests: lkdtm: ATOMIC_TIMING.sh # SKIP # selftests: lkdtm: USERCOPY_HEAP_SIZE_TO.sh # [ 71.200223] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 71.212207] lkdtm: attempting good copy_to_user of correct size # [ 71.218830] lkdtm: attempting bad copy_to_user of too large size # USERCOPY_HEAP_SIZE_TO: missing 'call trace:': [FAIL] not ok 61 selftests: lkdtm: USERCOPY_HEAP_SIZE_TO.sh # exit=1 # selftests: lkdtm: USERCOPY_HEAP_SIZE_FROM.sh # [ 71.342931] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 71.350675] lkdtm: attempting good copy_from_user of correct size # [ 71.363709] lkdtm: attempting bad copy_from_user of too large size # USERCOPY_HEAP_SIZE_FROM: missing 'call trace:': [FAIL] not ok 62 selftests: lkdtm: USERCOPY_HEAP_SIZE_FROM.sh # exit=1 # selftests: lkdtm: USERCOPY_HEAP_WHITELIST_TO.sh # [ 71.500407] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 71.508422] lkdtm: attempting good copy_to_user inside whitelist # [ 71.521370] 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 # [ 71.659798] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 71.672235] lkdtm: attempting good copy_from_user inside whitelist # [ 71.685356] 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 # [ 71.822187] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 71.829844] lkdtm: good_stack: ffffaf22834f7e20-ffffaf22834f7e40 # [ 71.842771] lkdtm: bad_stack : ffffaf22834f7da8-ffffaf22834f7dc8 # [ 71.855727] lkdtm: attempting good copy_to_user of local stack # [ 71.868432] lkdtm: attempting bad copy_to_user of distant stack # USERCOPY_STACK_FRAME_TO: missing 'call trace:': [FAIL] not ok 65 selftests: lkdtm: USERCOPY_STACK_FRAME_TO.sh # exit=1 # selftests: lkdtm: USERCOPY_STACK_FRAME_FROM.sh # [ 72.002333] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 72.012848] lkdtm: good_stack: ffffaf228358fe20-ffffaf228358fe40 # [ 72.019570] lkdtm: bad_stack : ffffaf228358fda8-ffffaf228358fdc8 # [ 72.026301] lkdtm: attempting good copy_from_user of local stack # [ 72.033034] lkdtm: attempting bad copy_from_user of distant stack # USERCOPY_STACK_FRAME_FROM: missing 'call trace:': [FAIL] not ok 66 selftests: lkdtm: USERCOPY_STACK_FRAME_FROM.sh # exit=1 # selftests: lkdtm: USERCOPY_STACK_BEYOND.sh # [ 72.159863] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 72.171037] lkdtm: good_stack: ffffaf228361fe20-ffffaf228361fe40 # [ 72.183993] lkdtm: bad_stack : ffffaf228361fff8-ffffaf2283620018 # [ 72.196922] lkdtm: attempting good copy_to_user of local stack # [ 72.209644] lkdtm: attempting bad copy_to_user of distant stack # [ 72.222474] lkdtm: copy_to_user failed, but lacked Oops # USERCOPY_STACK_BEYOND: missing 'call trace:': [FAIL] not ok 67 selftests: lkdtm: USERCOPY_STACK_BEYOND.sh # exit=1 # selftests: lkdtm: USERCOPY_KERNEL.sh # [ 72.356659] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 72.364992] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff84d9b330 # [ 72.379877] lkdtm: attempting bad copy_to_user from kernel text: ffffffff83ae2e20 # [ 72.394424] lkdtm: FAIL: survived bad copy_to_user() # USERCOPY_KERNEL: missing 'call trace:': [FAIL] not ok 68 selftests: lkdtm: USERCOPY_KERNEL.sh # exit=1 # selftests: lkdtm: STACKLEAK_ERASING.sh # [ 72.551605] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 72.561870] lkdtm: checking unused part of the thread stack (15928 bytes)... # [ 72.575988] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) # [ 72.590001] lkdtm: FAIL: the thread stack is NOT properly erased # [ 72.602964] CPU: 0 PID: 2954 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 72.617756] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 72.624559] Call Trace: # [ 72.627291] dump_stack+0x77/0x9b # [ 72.630994] lkdtm_STACKLEAK_ERASING+0x116/0x144 # [ 72.636155] direct_entry.cold+0x2c/0x38 # [ 72.640535] full_proxy_write+0x53/0x80 # [ 72.644813] vfs_write+0xe7/0x3a0 # [ 72.648517] ksys_write+0x68/0xf0 # [ 72.652218] do_syscall_64+0x30/0x40 # [ 72.656212] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 72.661852] RIP: 0033:0x7fd121f7b8f3 # [ 72.665840] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 72.686813] RSP: 002b:00007fff2a373278 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 72.695268] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fd121f7b8f3 # [ 72.703236] RDX: 0000000000000012 RSI: 00007fd121e6e000 RDI: 0000000000000001 # [ 72.711203] RBP: 00007fd121e6e000 R08: 00007fd121e6d010 R09: 0000000000000000 # [ 72.719172] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 72.727140] 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 # [ 72.891645] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 72.903300] lkdtm: Calling matched prototype ... # [ 72.914706] lkdtm: Calling mismatched prototype ... # [ 72.926366] 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 / #