[Enter `^Ec?' for help] coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 bootblock starting... CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz CPU: ID 806e9, Kabylake H0, ucode: 00000097 CPU: AES supported, TXT NOT supported, VT supported MCH: device id 590c (rev 02) is Kabylake-Y PCH: device id 9d4b (rev 21) is Kabylake-Y iHDCP 2.2 Premium IGD: device id 591c (rev 02) is Amberlake ULX GT2 VBOOT: Loading verstage. CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/verstage' CBFS: Found @ offset 1a0a80 size f47c coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 verstage starting... Probing TPM: .Timeout wait for TPM IRQ! .Timeout wait for TPM IRQ! . 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_B:0.5.5/cr50_v1.9308_87_mp.479-d7921eab 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_B:0.5.5/cr50_v1.9308_87_mp.479-d7921eab 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 40837 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_B:0.5.5/cr50_v1.9308_87_mp.479-d7921eab Initialized TPM device CR50 revision 0 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 MRC: Hash comparison successful. Using data from RECOVERY_MRC_CACHE MRC cache found, size 1868 bootmode is set to :2 SPD index 1 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'spd.bin' CBFS: Found @ offset 1a0240 size 800 SPD: module type is LPDDR3 SPD: module part is K4E8E324EB-EGCF SPD: banks 8, ranks 1, rows 15, columns 10, density 8192 Mb SPD: device width 32 bits, bus width 64 bits SPD: module size is 2048 MB (per channel) CBMEM: IMD: root @ 7afff000 254 entries. IMD: root @ 7affec00 62 entries. External stage cache: IMD: root @ 7b3ff000 254 entries. IMD: root @ 7b3fec00 62 entries. creating vboot_handoff structure Chrome EC: clear events_b mask to 0x0000000021004000 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 tlcl_write: response is 0 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 MRC: TPM MRC hash updated successfully. 2 DIMMs found top_of_ram = 0x7b000000 MTRR Range: Start=7a000000 End=7b000000 (Size 1000000) MTRR Range: Start=7b000000 End=7b800000 (Size 800000) MTRR Range: Start=ff000000 End=0 (Size 1000000) CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/postcar' CBFS: Found @ offset 197000 size 3f04 Decompressing stage fallback/postcar @ 0x7abd0fc0 (32720 bytes) Loading module at 7abd1000 with entry 7abd1000. filesize: 0x3cd0 memsize: 0x7f90 Processing 118 relocs. Offset value of 0x78bd1000 coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 postcar starting... CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/ramstage' CBFS: Found @ offset e8d80 size 1a462 Decompressing stage fallback/ramstage @ 0x7ab05fc0 (826808 bytes) Loading module at 7ab06000 with entry 7ab06000. filesize: 0x38d90 memsize: 0xc9d78 Processing 3657 relocs. Offset value of 0x79d06000 coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 ramstage starting... FMAP: Found "FLASH" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area RO_VPD found @ c00000 (16384 bytes) WARNING: RO_VPD is uninitialized or empty. FMAP: area RW_VPD found @ 9f8000 (8192 bytes) FMAP: area RW_VPD found @ 9f8000 (8192 bytes) Normal boot. BS: BS_PRE_DEVICE times (us): entry 0 run 30 exit 0 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'cpu_microcode_blob.bin' CBFS: Found @ offset 11100 size d7c00 microcode: sig=0x806e9 pf=0x10 revision=0x97 Skip microcode update CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fsps.bin' CBFS: Found @ offset 167fc0 size 2f000 Detected 2 core, 4 thread CPU. Setting up SMI for CPU IED base = 0x7b400000 IED size = 0x00400000 Will perform SMM setup. CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz. Loading module at 00030000 with entry 00030000. filesize: 0x170 memsize: 0x170 Processing 16 relocs. Offset value of 0x00030000 Attempting to start 3 APs Waiting for 10ms after sending INIT. Waiting for 1st SIPI to complete...done. AP: slot 2 apic_id 3. AP: slot 3 apic_id 2. AP: slot 1 apic_id 1. Waiting for 2nd SIPI to complete...done. Loading module at 00038000 with entry 00038000. filesize: 0x1a8 memsize: 0x1a8 Processing 13 relocs. Offset value of 0x00038000 SMM Module: stub loaded at 00038000. Will call 7ab21603(00000000) Installing SMM handler to 0x7b000000 Loading module at 7b010000 with entry 7b010a19. filesize: 0x3b08 memsize: 0x8bc0 Processing 243 relocs. Offset value of 0x7b010000 Loading module at 7b008000 with entry 7b008000. filesize: 0x1a8 memsize: 0x1a8 Processing 13 relocs. Offset value of 0x7b008000 SMM Module: placing jmp sequence at 7b007c00 rel16 0x03fd SMM Module: placing jmp sequence at 7b007800 rel16 0x07fd SMM Module: placing jmp sequence at 7b007400 rel16 0x0bfd SMM Module: stub loaded at 7b008000. Will call 7b010a19(00000000) Clearing SMI status registers SMI_STS: PM1 PM1_STS: PWRBTN TCO_STS: BOOT SECOND_TO New SMBASE 0x7b000000 In relocation handler: CPU 0 New SMBASE=0x7b000000 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afffc00 In relocation handler: CPU 1 New SMBASE=0x7afffc00 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afff400 In relocation handler: CPU 3 New SMBASE=0x7afff400 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afff800 In relocation handler: CPU 2 New SMBASE=0x7afff800 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. Initializing CPU #0 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC... apic_id: 0x00 done. Turbo is available but hidden Turbo has been enabled SGX : param.enable = 0 Skip microcode update CPU #0 initialized Initializing CPU #1 Initializing CPU #2 Initializing CPU #3 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC...CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 apic_id: 0x03 done. Setting up local APIC...Setting up local APIC... apic_id: 0x02 done. Skip microcode update Skip microcode update CPU #2 initialized CPU #3 initialized apic_id: 0x01 done. Skip microcode update CPU #1 initialized bsp_do_flight_plan done after 226 msecs. CPU: frequency set to 3400 MHz Enabling SMIs. Locking SMM. VMX : param.enable = 1 VMX status: enabled, unlocked SGX: pre-conditions not met VMX status: enabled, unlocked SGX: pre-conditions not met VMX status: enabled, unlocked VMX status: enabled, unlocked SGX: pre-conditions not met SGX: pre-conditions not met CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'vbt.bin' CBFS: Found @ offset 103a00 size 48e Found a VBT of 4608 bytes after decompression psys_pmax = 360 FMAP: area GBB found @ c11000 (978944 bytes) ITSS IRQ Polarities Before: IPC0: 0x00ff4000 IPC1: 0x00000007 IPC2: 0x00000000 IPC3: 0x00000000 ITSS IRQ Polarities After: IPC0: 0x00ff4000 IPC1: 0x00000007 IPC2: 0x00000000 IPC3: 0x00000000 Override DT after FSP-S, PCH is KBL/SKL PCH-LP SKU BS: BS_DEV_INIT_CHIPS times (us): entry 375994 run 166652 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 8966 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 8966 usecs USB2 port 2 scanning... scan_usb_bus for USB2 port 2 scan_usb_bus for USB2 port 2 done scan_bus: scanning of bus USB2 port 2 took 8972 usecs USB2 port 4 scanning... scan_usb_bus for USB2 port 4 scan_usb_bus for USB2 port 4 done scan_bus: scanning of bus USB2 port 4 took 8973 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 8973 usecs scan_usb_bus for USB0 port 0 done scan_bus: scanning of bus USB0 port 0 took 90949 usecs scan_usb_bus for PCI: 00:14.0 done scan_bus: scanning of bus PCI: 00:14.0 took 107741 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 14155 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 14148 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 22370 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 53531 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 13883 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 11323 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 9272 usecs PCI: 00:1f.3 scanning... scan_bus: scanning of bus PCI: 00:1f.3 took 2717 usecs PCI: 00:1f.4 scanning... scan_generic_bus for PCI: 00:1f.4 scan_generic_bus for PCI: 00:1f.4 done scan_bus: scanning of bus PCI: 00:1f.4 took 10045 usecs PCI: 00:1f.5 scanning... scan_generic_bus for PCI: 00:1f.5 scan_generic_bus for PCI: 00:1f.5 done scan_bus: scanning of bus PCI: 00:1f.5 took 10044 usecs scan_bus: scanning of bus DOMAIN: 0000 took 466073 usecs root_dev_scan_bus for Root Device done scan_bus: scanning of bus Root Device took 486185 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=1 MRC: NOT enabling PRR for 'UNIFIED_MRC_CACHE'. BS: BS_DEV_ENUMERATE times (us): entry 0 run 825958 exit 39242 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 2113881 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 230 run 139299 exit 22346 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 30882 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 6983 usecs PCI: 00:02.0 init ... PCI: 00:02.0 init finished in 2249 usecs PCI: 00:04.0 init ... PCI: 00:04.0 init finished in 2249 usecs PCI: 00:08.0 init ... PCI: 00:08.0 init finished in 2250 usecs PCI: 00:14.0 init ... PCI: 00:14.0 init finished in 2249 usecs PCI: 00:14.2 init ... PCI: 00:14.2 init finished in 2241 usecs PCI: 00:15.0 init ... DW I2C bus 0 at 0xd1132000 (400 KHz) PCI: 00:15.0 init finished in 5967 usecs PCI: 00:15.1 init ... DW I2C bus 1 at 0xd1133000 (400 KHz) PCI: 00:15.1 init finished in 5966 usecs PCI: 00:16.0 init ... PCI: 00:16.0 init finished in 2249 usecs PCI: 00:19.1 init ... DW I2C bus 5 at 0xd1136000 (400 KHz) PCI: 00:19.1 init finished in 5968 usecs PCI: 00:1c.0 init ... Initializing PCH PCIe bridge. PCI: 00:1c.0 init finished in 5287 usecs PCI: 00:1e.4 init ... PCI: 00:1e.4 init finished in 2248 usecs PCI: 00:1f.0 init ... IOAPIC: Initializing IOAPIC at 0xfec00000 IOAPIC: Bootstrap Processor Local APIC = 0x00 IOAPIC: ID = 0x02 IOAPIC: Dumping registers reg 0x0000: 0x02000000 reg 0x0001: 0x00770020 reg 0x0002: 0x00000000 PCI: 00:1f.0 init finished in 23494 usecs PCI: 00:1f.2 init ... RTC Init Set power on after power failure. Disabling ACPI via APMC: done. Disabling Deep S3 Disabling Deep S3 Enabling Deep S4 Enabling Deep S4 Enabling Deep S5 Enabling Deep S5 PCI: 00:1f.2 init finished in 23807 usecs PCI: 00:1f.4 init ... PCI: 00:1f.4 init finished in 2260 usecs PCI: 01:00.0 init ... PCI: 01:00.0 init finished in 2393 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 24423 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 2023-01-18 17:14:27 UTC POST: Unexpected post code in previous boot: 0x34 ELOG: Event(A3) added with size 11 at 2023-01-18 17:14:27 UTC ELOG: Event(A6) added with size 13 at 2023-01-18 17:14:27 UTC ELOG: Event(92) added with size 9 at 2023-01-18 17:14:27 UTC ELOG: Event(9A) added with size 9 at 2023-01-18 17:14:27 UTC ELOG: Event(AD) added with size 10 at 2023-01-18 17:14:27 UTC ELOG: Event(9F) added with size 14 at 2023-01-18 17:14:27 UTC BS: BS_DEV_INIT times (us): entry 0 run 417068 exit 66276 ELOG: Event(A1) added with size 10 at 2023-01-18 17:14:27 UTC elog_add_boot_reason: Logged recovery mode boot (Dev-switch on), reason: 0x1b ELOG: Event(A0) added with size 9 at 2023-01-18 17:14:27 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 25694 run 3968 exit 5200 BS: BS_OS_RESUME_CHECK times (us): entry 0 run 55 exit 0 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/dsdt.aml' CBFS: Found @ offset 19af40 size 4691 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/slic' CBFS: 'fallback/slic' not found. ACPI: Writing ACPI tables at 7aa9a000. ACPI: * FACS ACPI: * DSDT Ramoops buffer: 0x100000@0x7a999000. SGX: not enabled or not supported. skip gnvs fill ACPI: * FADT SCI is IRQ9 ACPI: added table 1/32, length now 40 ACPI: * SSDT Found 1 CPU(s) with 4 core(s) each. \_SB.PCI0.I2C0.H05C: SISC Touchscreen at I2C: 01:5c \_SB.PCI0.I2C1.D015: ELAN Touchpad at I2C: 02:15 \_SB.PCI0.I2C5.MAXR: Maxim MAX98927 Codec address 039h \_SB.PCI0.I2C5.MAXL: Maxim MAX98927 Codec address 03ah \_SB.PCI0.I2C5.DLG7: Dialog Semiconductor DA7219 Audio Codec address 01ah irq 105 Error: Could not locate 'wifi_sar' in VPD. Error: failed from getting SAR limits! \_SB.PCI0.RP01.WIFI: Intel WiFi PCI: 01:00.0 \_SB.PCI0.SPI0.S001: SPI Device at SPI: 00 \_SB.PCI0.XHCI.RHUB.HS01: USB Type C Port 1 at USB2 port 0 \_SB.PCI0.XHCI.RHUB.HS02: USB Type A Port 1 at USB2 port 1 \_SB.PCI0.XHCI.RHUB.HS03: Bluetooth at USB2 port 2 \_SB.PCI0.XHCI.RHUB.HS05: USB Type C Port 2 at USB2 port 4 \_SB.PCI0.XHCI.RHUB.HS09: Camera at USB2 port 8 ACPI: added table 2/32, length now 44 ACPI: * MCFG ACPI: added table 3/32, length now 48 ACPI: * TPM2 ACPI: added table 4/32, length now 52 ACPI: * MADT SCI is IRQ9 ACPI: added table 5/32, length now 56 current = 7aa9fa60 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dmic-4ch-48khz-16b.bin' CBFS: Found @ offset 167000 size ba8 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dmic-4ch-48khz-32b.bin' CBFS: Found @ offset 19f640 size ba8 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dialog-2ch-48khz-24b.bin' CBFS: Found @ offset 167cc0 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dialog-2ch-48khz-24b.bin' CBFS: Found @ offset 167cc0 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'max98927-render-2ch-48khz-24b.bin' CBFS: Found @ offset 167c00 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'max98927-render-2ch-48khz-16b.bin' CBFS: Found @ offset 103f00 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'max98927-render-2ch-48khz-16b.bin' CBFS: Found @ offset 103f00 size 64 ACPI: * NHLT ACPI: added table 6/32, length now 60 ACPI: * DMAR ACPI: added table 7/32, length now 64 ACPI: * IGD OpRegion GMA: Found VBT in CBFS GMA: Found valid VBT in CBFS current = 7aaa3610 ACPI: added table 8/32, length now 68 ACPI: * HPET ACPI: added table 9/32, length now 72 ACPI: done. ACPI tables: 38592 bytes. smbios_write_tables: 7a998000 Create SMBIOS type 17 PCI: 01:00.0 (Intel WiFi) SMBIOS tables: 662 bytes. Writing table forward entry at 0x00000500 Wrote coreboot table at: 00000500, 0x10 bytes, checksum a532 Writing coreboot table at 0x7aabe000 0. 0000000000000000-0000000000000fff: CONFIGURATION TABLES 1. 0000000000001000-000000000009ffff: RAM 2. 00000000000a0000-00000000000fffff: RESERVED 3. 0000000000100000-000000007a997fff: RAM 4. 000000007a998000-000000007ab05fff: CONFIGURATION TABLES 5. 000000007ab06000-000000007abcffff: RAMSTAGE 6. 000000007abd0000-000000007affffff: CONFIGURATION TABLES 7. 000000007b000000-000000007fffffff: RESERVED 8. 00000000e0000000-00000000e3ffffff: RESERVED 9. 00000000fe000000-00000000fe00ffff: RESERVED 10. 00000000fed10000-00000000fed19fff: RESERVED 11. 00000000fed80000-00000000fed84fff: RESERVED 12. 00000000fed90000-00000000fed91fff: RESERVED 13. 0000000100000000-000000017effffff: RAM Graphics framebuffer located at 0xc0000000 Passing 6 GPIOs to payload: NAME | PORT | POLARITY | VALUE write protect | undefined | high | low recovery | undefined | high | low lid | undefined | high | high power | undefined | high | low oprom | undefined | high | low EC in RW | 0x00000036 | high | low Board ID: 6 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) Wrote coreboot table at: 7aabe000, 0x5a4 bytes, checksum d21a coreboot table: 1468 bytes. IMD ROOT 0. 7afff000 00001000 IMD SMALL 1. 7affe000 00001000 FSP MEMORY 2. 7abfe000 00400000 CONSOLE 3. 7abde000 00020000 TIME STAMP 4. 7abdd000 00000910 VBOOT 5. 7abdc000 00000c0c MRC DATA 6. 7abda000 00001878 ROMSTG STCK 7. 7abd9000 00000400 AFTER CAR 8. 7abd0000 00009000 RAMSTAGE 9. 7ab05000 000cb000 REFCODE 10. 7aad6000 0002f000 SMM BACKUP 11. 7aac6000 00010000 COREBOOT 12. 7aabe000 00008000 ACPI 13. 7aa9a000 00024000 ACPI GNVS 14. 7aa99000 00001000 RAMOOPS 15. 7a999000 00100000 SMBIOS 16. 7a998000 00000800 IMD small region: IMD ROOT 0. 7affec00 00000400 FSP RUNTIME 1. 7affebe0 00000004 VBOOT SEL 2. 7affebc0 00000008 EC HOSTEVENT 3. 7affeba0 00000008 POWER STATE 4. 7affeb60 00000040 ROMSTAGE 5. 7affeb40 00000004 MEM INFO 6. 7affe980 000001a9 VPD 7. 7affe920 00000047 COREBOOTFWD 8. 7affe8e0 00000028 MTRR: Physical address space: 0x0000000000000000 - 0x00000000000a0000 size 0x000a0000 type 6 0x00000000000a0000 - 0x00000000000c0000 size 0x00020000 type 0 0x00000000000c0000 - 0x000000007b800000 size 0x7b740000 type 6 0x000000007b800000 - 0x00000000c0000000 size 0x44800000 type 0 0x00000000c0000000 - 0x00000000d0000000 size 0x10000000 type 1 0x00000000d0000000 - 0x0000000100000000 size 0x30000000 type 0 0x0000000100000000 - 0x000000017f000000 size 0x7f000000 type 6 MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 call enable_fixed_mtrr() CPU physical address size: 39 bits MTRR: default type WB/UC MTRR counts: 6/5. MTRR: UC selected as default type. MTRR: 0 base 0x0000000000000000 mask 0x0000007f80000000 type 6 MTRR: 1 base 0x000000007b800000 mask 0x0000007fff800000 type 0 MTRR: 2 base 0x000000007c000000 mask 0x0000007ffc000000 type 0 MTRR: 3 base 0x00000000c0000000 mask 0x0000007ff0000000 type 1 MTRR: 4 base 0x0000000100000000 mask 0x0000007f80000000 type 6 MTRR check Fixed MTRRs : Enabled Variable MTRRs: Enabled MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 BS: BS_WRITE_TABLES times (us): entry 0 run 537437 exit 146856 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 611 run 261925 exit 135676 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 8777920/tftp-deploy-330voz49/kernel/bzImage 8777920/tftp-deploy-330voz49/kernel/cmdline 8777920/tftp-deploy-330voz49/ramdisk/ramdisk.cpio.gz tftpboot 192.168.201.1 8777920/tftp-deploy-330voz49/kernel/bzImoy-330voz49/kernel/cmdline 8777920/tftp-deploy-330voz49/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:68:0a:98 Sending DHCP discover... done. Waiting for reply... done. Sending DHCP request... done. Waiting for reply... done. My ip is 192.168.201.18 The DHCP server ip is 192.168.201.1 TFTP server IP predefined by user: 192.168.201.1 Bootfile predefined by user: 8777920/tftp-deploy-330voz49/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 ################################################################ 00d80000 ##################### done. The bootfile was 14320576 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: 8777920/tftp-deploy-330voz49/kernel/cmdline The command line is: earlyprintk=uart8250,mmio32,0xde000000,115200n8 console_msg_format=syslog earlycon console=ttyS0,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/8777920/extract-nfsrootfs-hi83331c,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: 17973095 Starting kernel ... <5>[ 0.000000] Linux version 5.10.164-cip24 (KernelCI@build-j874535-x86-64-gcc-10-x86-64-defconfig-x86-chromeboom5lp2) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Wed Jan 18 14:52:48 UTC 2023 <6>[ 0.000000] Command line: earlyprintk=uart8250,mmio32,0xde000000,115200n8 console_msg_format=syslog earlycon console=ttyS0,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/8777920/extract-nfsrootfs-hi83331c,tcp,hard ip=dhcp tftpserverip=192.168.201.1 <6>[ 0.000000] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' <6>[ 0.000000] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' <6>[ 0.000000] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers' <6>[ 0.000000] x86/fpu: Supporting XSAVE feature 0x008: 'MPX bounds registers' <6>[ 0.000000] x86/fpu: Supporting XSAVE feature 0x010: 'MPX CSR' <6>[ 0.000000] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 <6>[ 0.000000] x86/fpu: xstate_offset[3]: 832, xstate_sizes[3]: 64 <6>[ 0.000000] x86/fpu: xstate_offset[4]: 896, xstate_sizes[4]: 64 <6>[ 0.000000] x86/fpu: Enabled xstate features 0x1f, context size is 960 bytes, using 'compacted' format. <6>[ 0.000000] BIOS-provided physical RAM map: <6>[ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x0000000000000fff] type 16 <6>[ 0.000000] BIOS-e820: [mem 0x0000000000001000-0x000000000009ffff] usable <6>[ 0.000000] BIOS-e820: [mem 0x00000000000a0000-0x00000000000fffff] reserved <6>[ 0.000000] BIOS-e820: [mem 0x0000000000100000-0x000000007a997fff] usable <6>[ 0.000000] BIOS-e820: [mem 0x000000007a998000-0x000000007affffff] type 16 <6>[ 0.000000] BIOS-e820: [mem 0x000000007b000000-0x000000007fffffff] reserved <6>[ 0.000000] BIOS-e820: [mem 0x00000000e0000000-0x00000000e3ffffff] reserved <6>[ 0.000000] BIOS-e820: [mem 0x00000000fe000000-0x00000000fe00ffff] reserved <6>[ 0.000000] BIOS-e820: [mem 0x00000000fed10000-0x00000000fed19fff] reserved <6>[ 0.000000] BIOS-e820: [mem 0x00000000fed80000-0x00000000fed84fff] reserved <6>[ 0.000000] BIOS-e820: [mem 0x00000000fed90000-0x00000000fed91fff] reserved <6>[ 0.000000] BIOS-e820: [mem 0x0000000100000000-0x000000017effffff] usable <6>[ 0.000000] NX (Execute Disable) protection: active <6>[ 0.000000] SMBIOS 2.7 present. <6>[ 0.000000] DMI: Google Rammus/Rammus, BIOS 09/04/2020 <6>[ 0.000000] tsc: Detected 1600.000 MHz processor <6>[ 0.000000] tsc: Detected 1599.960 MHz TSC <6>[ 0.000054] last_pfn = 0x17f000 max_arch_pfn = 0x400000000 <6>[ 0.001315] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT <6>[ 0.006785] last_pfn = 0x7a998 max_arch_pfn = 0x400000000 <6>[ 0.024244] check: Scanning 1 areas for low memory corruption <6>[ 0.024257] Using GB pages for direct mapping <6>[ 0.024838] RAMDISK: [mem 0x377c2000-0x37ffffff] <6>[ 0.024845] ACPI: Early table checksum verification disabled <6>[ 0.024852] ACPI: RSDP 0x00000000000F0000 000024 (v02 CORE ) <6>[ 0.024865] ACPI: XSDT 0x000000007AA9A0E0 00006C (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.024880] ACPI: FACP 0x000000007AA9E970 0000F4 (v04 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.024896] ACPI: DSDT 0x000000007AA9A280 0046E3 (v05 COREv4 COREBOOT 20110725 INTL 20180531) <6>[ 0.024908] ACPI: FACS 0x000000007AA9A240 000040 <6>[ 0.024919] ACPI: FACS 0x000000007AA9A240 000040 <6>[ 0.024929] ACPI: SSDT 0x000000007AA9EA70 000EFA (v02 CORE COREBOOT 0000002A CORE 0000002A) <6>[ 0.024941] ACPI: MCFG 0x000000007AA9F970 00003C (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.024953] ACPI: TPM2 0x000000007AA9F9B0 000040 (v04 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.024964] ACPI: APIC 0x000000007AA9F9F0 00006C (v02 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.024976] ACPI: NHLT 0x000000007AA9FA60 001B1C (v05 GOOGLE RAMMUS 00000000 CORE 00000000) <6>[ 0.024987] ACPI: DMAR 0x000000007AAA1580 000088 (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.024999] ACPI: DBG2 0x000000007AAA3610 000061 (v00 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.025010] ACPI: HPET 0x000000007AAA3680 000038 (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.025022] ACPI: Reserving FACP table memory at [mem 0x7aa9e970-0x7aa9ea63] <6>[ 0.025027] ACPI: Reserving DSDT table memory at [mem 0x7aa9a280-0x7aa9e962] <6>[ 0.025031] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] <6>[ 0.025036] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] <6>[ 0.025040] ACPI: Reserving SSDT table memory at [mem 0x7aa9ea70-0x7aa9f969] <6>[ 0.025045] ACPI: Reserving MCFG table memory at [mem 0x7aa9f970-0x7aa9f9ab] <6>[ 0.025049] ACPI: Reserving TPM2 table memory at [mem 0x7aa9f9b0-0x7aa9f9ef] <6>[ 0.025054] ACPI: Reserving APIC table memory at [mem 0x7aa9f9f0-0x7aa9fa5b] <6>[ 0.025059] ACPI: Reserving NHLT table memory at [mem 0x7aa9fa60-0x7aaa157b] <6>[ 0.025063] ACPI: Reserving DMAR table memory at [mem 0x7aaa1580-0x7aaa1607] <6>[ 0.025068] ACPI: Reserving DBG2 table memory at [mem 0x7aaa3610-0x7aaa3670] <6>[ 0.025072] ACPI: Reserving HPET table memory at [mem 0x7aaa3680-0x7aaa36b7] <6>[ 0.025209] No NUMA configuration found <6>[ 0.025214] Faking a node at [mem 0x0000000000000000-0x000000017effffff] <6>[ 0.025223] NODE_DATA(0) allocated [mem 0x17effc000-0x17effffff] <6>[ 0.025267] Zone ranges: <6>[ 0.025272] DMA [mem 0x0000000000001000-0x0000000000ffffff] <6>[ 0.025279] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] <6>[ 0.025286] Normal [mem 0x0000000100000000-0x000000017effffff] <6>[ 0.025293] Movable zone start for each node <6>[ 0.025298] Early memory node ranges <6>[ 0.025303] node 0: [mem 0x0000000000001000-0x000000000009ffff] <6>[ 0.025307] node 0: [mem 0x0000000000100000-0x000000007a997fff] <6>[ 0.025312] node 0: [mem 0x0000000100000000-0x000000017effffff] <6>[ 0.025318] Initmem setup node 0 [mem 0x0000000000001000-0x000000017effffff] <6>[ 0.025352] On node 0, zone DMA: 1 pages in unavailable ranges <6>[ 0.025395] On node 0, zone DMA: 96 pages in unavailable ranges <6>[ 0.036231] On node 0, zone Normal: 22120 pages in unavailable ranges <6>[ 0.036301] On node 0, zone Normal: 4096 pages in unavailable ranges <6>[ 0.036327] Reserving Intel graphics memory at [mem 0x7c000000-0x7fffffff] <6>[ 0.036683] ACPI: PM-Timer IO Port: 0x1808 <6>[ 0.036738] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-119 <6>[ 0.036751] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) <6>[ 0.036757] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) <6>[ 0.036771] Using ACPI (MADT) for SMP configuration information <6>[ 0.036776] ACPI: HPET id: 0x8086a701 base: 0xfed00000 <6>[ 0.036784] TSC deadline timer available <6>[ 0.036789] smpboot: Allowing 4 CPUs, 0 hotplug CPUs <6>[ 0.036817] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] <6>[ 0.036823] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000fffff] <6>[ 0.036829] PM: hibernation: Registered nosave memory: [mem 0x7a998000-0x7affffff] <6>[ 0.036833] PM: hibernation: Registered nosave memory: [mem 0x7b000000-0x7fffffff] <6>[ 0.036837] PM: hibernation: Registered nosave memory: [mem 0x80000000-0xdfffffff] <6>[ 0.036842] PM: hibernation: Registered nosave memory: [mem 0xe0000000-0xe3ffffff] <6>[ 0.036846] PM: hibernation: Registered nosave memory: [mem 0xe4000000-0xfdffffff] <6>[ 0.036850] PM: hibernation: Registered nosave memory: [mem 0xfe000000-0xfe00ffff] <6>[ 0.036854] PM: hibernation: Registered nosave memory: [mem 0xfe010000-0xfed0ffff] <6>[ 0.036859] PM: hibernation: Registered nosave memory: [mem 0xfed10000-0xfed19fff] <6>[ 0.036863] PM: hibernation: Registered nosave memory: [mem 0xfed1a000-0xfed7ffff] <6>[ 0.036867] PM: hibernation: Registered nosave memory: [mem 0xfed80000-0xfed84fff] <6>[ 0.036871] PM: hibernation: Registered nosave memory: [mem 0xfed85000-0xfed8ffff] <6>[ 0.036875] PM: hibernation: Registered nosave memory: [mem 0xfed90000-0xfed91fff] <6>[ 0.036898] PM: hibernation: Registered nosave memory: [mem 0xfed92000-0xffffffff] <6>[ 0.036907] [mem 0x80000000-0xdfffffff] available for PCI devices <6>[ 0.036914] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns <6>[ 0.050755] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:4 nr_node_ids:1 <6>[ 0.051043] percpu: Embedded 59 pages/cpu s200848 r8192 d32624 u524288 <6>[ 0.051122] Built 1 zonelists, mobility grouping on. Total pages: 1006266 <6>[ 0.051127] Policy zone: Normal <5>[ 0.051142] Kernel command line: earlyprintk=uart8250,mmio32,0xde000000,115200n8 console_msg_format=syslog earlycon console=ttyS0,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/8777920/extract-nfsrootfs-hi83331c,tcp,hard ip=dhcp tftpserverip=192.168.201.1 <6>[ 0.051683] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) <6>[ 0.051924] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear) <6>[ 0.052012] mem auto-init: stack:off, heap alloc:off, heap free:off <6>[ 0.072962] Memory: 3888352K/4089052K available (18450K kernel code, 3460K rwdata, 7992K rodata, 2012K init, 13316K bss, 200440K reserved, 0K cma-reserved) <6>[ 0.073110] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 <6>[ 0.073170] Kernel/User page tables isolation: enabled <6>[ 0.073249] ftrace: allocating 52803 entries in 207 pages <6>[ 0.129109] ftrace: allocated 207 pages with 6 groups <6>[ 0.129383] Running RCU self tests <6>[ 0.129399] rcu: Hierarchical RCU implementation. <6>[ 0.129403] rcu: RCU event tracing is enabled. <6>[ 0.129408] rcu: RCU lockdep checking is enabled. <6>[ 0.129413] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=4. <6>[ 0.129418] Rude variant of Tasks RCU enabled. <6>[ 0.129421] Tracing variant of Tasks RCU enabled. <6>[ 0.129432] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies. <6>[ 0.129437] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 <6>[ 0.139021] NR_IRQS: 4352, nr_irqs: 1024, preallocated irqs: 16 <5>[ 0.139478] random: crng init done <6>[ 0.139585] Console: colour dummy device 80x25 <6>[ 0.218044] printk: console [ttyS0] enabled <4>[ 0.218434] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar <4>[ 0.219116] ... MAX_LOCKDEP_SUBCLASSES: 8 <4>[ 0.219498] ... MAX_LOCK_DEPTH: 48 <4>[ 0.219887] ... MAX_LOCKDEP_KEYS: 8192 <4>[ 0.220289] ... CLASSHASH_SIZE: 4096 <4>[ 0.220692] ... MAX_LOCKDEP_ENTRIES: 32768 <4>[ 0.221102] ... MAX_LOCKDEP_CHAINS: 65536 <4>[ 0.221512] ... CHAINHASH_SIZE: 32768 <4>[ 0.221922] memory used by lock dependency info: 6365 kB <4>[ 0.222411] memory used for stack traces: 4224 kB <4>[ 0.222851] per task-struct memory footprint: 1920 bytes <6>[ 0.223397] ACPI: Core revision 20200925 <6>[ 0.224018] hpet: HPET dysfunctional in PC10. Force disabled. <6>[ 0.224539] APIC: Switch to symmetric I/O mode setup <6>[ 0.229065] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x170fff30cc4, max_idle_ns: 440795237869 ns <6>[ 0.230005] Calibrating delay loop (skipped), value calculated using timer frequency.. 3199.92 BogoMIPS (lpj=1599960) <6>[ 0.230932] pid_max: default: 32768 minimum: 301 <6>[ 0.230987] LSM: Security Framework initializing <6>[ 0.230987] SELinux: Initializing. <6>[ 0.230987] LSM support for eBPF active <6>[ 0.230987] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) <6>[ 0.230987] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) <6>[ 0.230987] mce: CPU0: Thermal monitoring enabled (TM1) <6>[ 0.230987] process: using mwait in idle threads <6>[ 0.230987] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8 <6>[ 0.230987] Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4 <6>[ 0.230987] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization <6>[ 0.230987] Spectre V2 : Mitigation: IBRS <6>[ 0.230987] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch <6>[ 0.230987] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB on VMEXIT <6>[ 0.230987] RETBleed: Mitigation: IBRS <6>[ 0.230987] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier <6>[ 0.230987] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl and seccomp <6>[ 0.230987] MDS: Vulnerable: Clear CPU buffers attempted, no microcode <6>[ 0.230987] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode <6>[ 0.230987] SRBDS: Vulnerable: No microcode <4>[ 0.230987] ------------[ cut here ]------------ <4>[ 0.230987] missing return thunk: lkdtm_rodata_do_nothing+0x0/0x10-lkdtm_rodata_do_nothing+0x5/0x10: e9 00 00 00 00 <4>[ 0.230987] WARNING: CPU: 0 PID: 0 at arch/x86/kernel/alternative.c:712 apply_returns+0x1f5/0x220 <4>[ 0.230987] Modules linked in: <4>[ 0.230987] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.10.164-cip24 #1 <4>[ 0.230987] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 0.230987] RIP: 0010:apply_returns+0x1f5/0x220 <4>[ 0.230987] 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 28 17 df 99 c6 05 7c 4c e4 01 01 e8 92 f5 e5 00 <0f> 0b e9 b9 fe ff ff 44 89 f9 c7 00 cc cc cc cc c7 44 08 fc cc cc <4>[ 0.230987] RSP: 0000:ffffffff9a003de0 EFLAGS: 00010282 <4>[ 0.230987] RAX: 0000000000000000 RBX: ffffffff9aad1330 RCX: 0000000000000000 <4>[ 0.230987] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff9857aad1 <4>[ 0.230987] RBP: ffffffff99ad1440 R08: 0000000000000001 R09: 0000000000000001 <4>[ 0.230987] R10: ffffffff9a08fd20 R11: 3fffffffffffffff R12: ffffffff9aae8520 <4>[ 0.230987] R13: cccccccccccccccc R14: ffffffff99ad1445 R15: 0000000000000004 <4>[ 0.230987] FS: 0000000000000000(0000) GS:ffff9cd33ac00000(0000) knlGS:0000000000000000 <4>[ 0.230987] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 0.230987] CR2: ffff9cd32e601000 CR3: 000000016ce26001 CR4: 00000000003706f0 <4>[ 0.230987] Call Trace: <4>[ 0.230987] alternative_instructions+0x7d/0x143 <4>[ 0.230987] check_bugs+0xece/0xf2a <4>[ 0.230987] start_kernel+0x517/0x54d <4>[ 0.230987] secondary_startup_64_no_verify+0xc2/0xcb <4>[ 0.230987] irq event stamp: 162531 <4>[ 0.230987] hardirqs last enabled at (162539): [] console_unlock+0x4d1/0x5f0 <4>[ 0.230987] hardirqs last disabled at (162546): [] console_unlock+0x444/0x5f0 <4>[ 0.230987] softirqs last enabled at (1840): [] cgroup_idr_alloc.constprop.0+0x5b/0xe0 <4>[ 0.230987] softirqs last disabled at (1838): [] cgroup_idr_alloc.constprop.0+0x2e/0xe0 <4>[ 0.230987] ---[ end trace 803147a0d9c265f3 ]--- <6>[ 0.230987] Freeing SMP alternatives memory: 44K <6>[ 0.230987] smpboot: CPU0: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz (family: 0x6, model: 0x8e, stepping: 0x9) <6>[ 0.231865] Performance Events: PEBS fmt3+, Skylake events, 32-deep LBR, full-width counters, Intel PMU driver. <6>[ 0.232005] ... version: 4 <6>[ 0.232384] ... bit width: 48 <6>[ 0.232768] ... generic registers: 4 <6>[ 0.232996] ... value mask: 0000ffffffffffff <6>[ 0.233483] ... max period: 00007fffffffffff <6>[ 0.233967] ... fixed-purpose events: 3 <6>[ 0.233994] ... event mask: 000000070000000f <6>[ 0.235118] rcu: Hierarchical SRCU implementation. <6>[ 0.237833] smp: Bringing up secondary CPUs ... <6>[ 0.238911] x86: Booting SMP configuration: <6>[ 0.239027] .... node #0, CPUs: #1 <4>[ 0.240069] 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. <4>[ 0.241022] 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. <4>[ 0.242830] #2 #3 <6>[ 0.245430] smp: Brought up 1 node, 4 CPUs <6>[ 0.246013] smpboot: Max logical packages: 1 <6>[ 0.246416] smpboot: Total of 4 processors activated (12799.68 BogoMIPS) <6>[ 0.249421] devtmpfs: initialized <6>[ 0.250417] x86/mm: Memory block size: 128MB <6>[ 0.255548] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns <6>[ 0.256012] futex hash table entries: 1024 (order: 5, 131072 bytes, linear) <6>[ 0.257173] pinctrl core: initialized pinctrl subsystem <6>[ 0.258124] PM: RTC time: 17:14:41, date: 2023-01-18 <6>[ 0.259271] NET: Registered protocol family 16 <6>[ 0.260656] audit: initializing netlink subsys (disabled) <5>[ 0.261049] audit: type=2000 audit(1674062081.031:1): state=initialized audit_enabled=0 res=1 <6>[ 0.262063] thermal_sys: Registered thermal governor 'step_wise' <6>[ 0.262070] thermal_sys: Registered thermal governor 'user_space' <6>[ 0.262714] cpuidle: using governor menu <6>[ 0.263473] ACPI: bus type PCI registered <6>[ 0.264468] PCI: MMCONFIG for domain 0000 [bus 00-3f] at [mem 0xe0000000-0xe3ffffff] (base 0xe0000000) <6>[ 0.265000] PCI: MMCONFIG at [mem 0xe0000000-0xe3ffffff] reserved in E820 <6>[ 0.265646] PCI: Using configuration type 1 for base access <6>[ 0.294719] Kprobes globally optimized <6>[ 0.295154] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages <6>[ 0.296008] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages <6>[ 0.296833] cryptomgr_test (38) used greatest stack depth: 14880 bytes left <6>[ 0.300379] ACPI: Added _OSI(Module Device) <6>[ 0.301010] ACPI: Added _OSI(Processor Device) <6>[ 0.301428] ACPI: Added _OSI(3.0 _SCP Extensions) <6>[ 0.301864] ACPI: Added _OSI(Processor Aggregator Device) <6>[ 0.301999] ACPI: Added _OSI(Linux-Dell-Video) <6>[ 0.302416] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) <6>[ 0.302906] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) <6>[ 0.318801] ACPI: 2 ACPI AML tables successfully acquired and loaded <6>[ 0.330185] ACPI: EC: EC started <6>[ 0.330522] ACPI: EC: interrupt blocked <6>[ 0.331869] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 <6>[ 0.332000] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC used to handle transactions <6>[ 0.332659] ACPI: Interpreter enabled <6>[ 0.333084] ACPI: (supports S0 S3 S4 S5) <6>[ 0.333458] ACPI: Using IOAPIC for interrupt routing <6>[ 0.334012] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug <6>[ 0.356812] ACPI: Power Resource [PRIC] (on) <6>[ 0.490813] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) <6>[ 0.491007] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] <6>[ 0.492190] acpi PNP0A08:00: _OSC: OS now controls [PME PCIeCapability LTR] <6>[ 0.492897] acpi PNP0A08:00: [Firmware Info]: MMCONFIG for domain 0000 [bus 00-3f] only partially covers this bridge <6>[ 0.494790] PCI host bridge to bus 0000:00 <6>[ 0.495000] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] <6>[ 0.495611] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] <6>[ 0.495997] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] <6>[ 0.496666] pci_bus 0000:00: root bus resource [mem 0x000c0000-0x000c3fff window] <6>[ 0.497998] pci_bus 0000:00: root bus resource [mem 0x000c4000-0x000c7fff window] <6>[ 0.498666] pci_bus 0000:00: root bus resource [mem 0x000c8000-0x000cbfff window] <6>[ 0.498996] pci_bus 0000:00: root bus resource [mem 0x000cc000-0x000cffff window] <6>[ 0.499665] pci_bus 0000:00: root bus resource [mem 0x000d0000-0x000d3fff window] <6>[ 0.499996] pci_bus 0000:00: root bus resource [mem 0x000d4000-0x000d7fff window] <6>[ 0.500664] pci_bus 0000:00: root bus resource [mem 0x000d8000-0x000dbfff window] <6>[ 0.501998] pci_bus 0000:00: root bus resource [mem 0x000dc000-0x000dffff window] <6>[ 0.502666] pci_bus 0000:00: root bus resource [mem 0x000e0000-0x000e3fff window] <6>[ 0.502996] pci_bus 0000:00: root bus resource [mem 0x000e4000-0x000e7fff window] <6>[ 0.503664] pci_bus 0000:00: root bus resource [mem 0x000e8000-0x000ebfff window] <6>[ 0.503996] pci_bus 0000:00: root bus resource [mem 0x000ec000-0x000effff window] <6>[ 0.504664] pci_bus 0000:00: root bus resource [mem 0x000f0000-0x000fffff window] <6>[ 0.505998] pci_bus 0000:00: root bus resource [mem 0x80000001-0xdfffffff window] <6>[ 0.506665] pci_bus 0000:00: root bus resource [mem 0x800000000-0xbffffffff window] <6>[ 0.506996] pci_bus 0000:00: root bus resource [mem 0xfd000000-0xfe7fffff window] <6>[ 0.507664] pci_bus 0000:00: root bus resource [mem 0xfed40000-0xfed44fff window] <6>[ 0.507997] pci_bus 0000:00: root bus resource [bus 00-ff] <6>[ 0.508600] pci 0000:00:00.0: [8086:590c] type 00 class 0x060000 <6>[ 0.511273] pci 0000:00:02.0: [8086:591c] type 00 class 0x030000 <6>[ 0.511846] pci 0000:00:02.0: reg 0x10: [mem 0xd0000000-0xd0ffffff 64bit] <6>[ 0.512012] pci 0000:00:02.0: reg 0x18: [mem 0xc0000000-0xcfffffff 64bit pref] <6>[ 0.512668] pci 0000:00:02.0: reg 0x20: [io 0x1c00-0x1c3f] <6>[ 0.513828] pci 0000:00:04.0: [8086:1903] type 00 class 0x118000 <6>[ 0.515026] pci 0000:00:04.0: reg 0x10: [mem 0xd1120000-0xd1127fff 64bit] <6>[ 0.516616] pci 0000:00:08.0: [8086:1911] type 00 class 0x088000 <6>[ 0.517024] pci 0000:00:08.0: reg 0x10: [mem 0xd1130000-0xd1130fff 64bit] <6>[ 0.518483] pci 0000:00:14.0: [8086:9d2f] type 00 class 0x0c0330 <6>[ 0.519037] pci 0000:00:14.0: reg 0x10: [mem 0xd1100000-0xd110ffff 64bit] <6>[ 0.519813] pci 0000:00:14.0: PME# supported from D3hot D3cold <6>[ 0.520985] pci 0000:00:14.2: [8086:9d31] type 00 class 0x118000 <6>[ 0.522039] pci 0000:00:14.2: reg 0x10: [mem 0xd1131000-0xd1131fff 64bit] <6>[ 0.523522] pci 0000:00:15.0: [8086:9d60] type 00 class 0x118000 <6>[ 0.524045] pci 0000:00:15.0: reg 0x10: [mem 0xd1132000-0xd1132fff 64bit] <6>[ 0.525687] pci 0000:00:15.1: [8086:9d61] type 00 class 0x118000 <6>[ 0.526045] pci 0000:00:15.1: reg 0x10: [mem 0xd1133000-0xd1133fff 64bit] <6>[ 0.527732] pci 0000:00:19.0: [8086:9d66] type 00 class 0x118000 <6>[ 0.528044] pci 0000:00:19.0: reg 0x10: [mem 0xfe034000-0xfe034fff 64bit] <6>[ 0.528685] pci 0000:00:19.0: reg 0x18: [mem 0xd1135000-0xd1135fff 64bit] <6>[ 0.531020] pci 0000:00:19.1: [8086:9d65] type 00 class 0x118000 <6>[ 0.531612] pci 0000:00:19.1: reg 0x10: [mem 0xd1136000-0xd1136fff 64bit] <6>[ 0.533088] pci 0000:00:1c.0: [8086:9d10] type 01 class 0x060400 <6>[ 0.533855] pci 0000:00:1c.0: PME# supported from D0 D3hot D3cold <6>[ 0.534996] pci 0000:00:1e.0: [8086:9d27] type 00 class 0x118000 <6>[ 0.535590] pci 0000:00:1e.0: reg 0x10: [mem 0xd1137000-0xd1137fff 64bit] <6>[ 0.537040] pci 0000:00:1e.2: [8086:9d29] type 00 class 0x118000 <6>[ 0.537631] pci 0000:00:1e.2: reg 0x10: [mem 0xd1138000-0xd1138fff 64bit] <6>[ 0.540043] pci 0000:00:1e.4: [8086:9d2b] type 00 class 0x080501 <6>[ 0.540628] pci 0000:00:1e.4: reg 0x10: [mem 0xd1139000-0xd1139fff 64bit] <6>[ 0.542172] pci 0000:00:1e.6: [8086:9d2d] type 00 class 0x080501 <6>[ 0.542758] pci 0000:00:1e.6: reg 0x10: [mem 0xd113a000-0xd113afff 64bit] <6>[ 0.544009] pci 0000:00:1f.0: [8086:9d4b] type 00 class 0x060100 <6>[ 0.545547] pci 0000:00:1f.2: [8086:9d21] type 00 class 0x058000 <6>[ 0.546031] pci 0000:00:1f.2: reg 0x10: [mem 0xd1128000-0xd112bfff] <6>[ 0.547577] pci 0000:00:1f.3: [8086:9d71] type 00 class 0x040100 <6>[ 0.548043] pci 0000:00:1f.3: reg 0x10: [mem 0xd112c000-0xd112ffff 64bit] <6>[ 0.548714] pci 0000:00:1f.3: reg 0x20: [mem 0xd1110000-0xd111ffff 64bit] <6>[ 0.550118] pci 0000:00:1f.3: PME# supported from D3hot D3cold <6>[ 0.551637] pci 0000:00:1f.4: [8086:9d23] type 00 class 0x0c0500 <6>[ 0.552062] pci 0000:00:1f.4: reg 0x10: [mem 0xd113c000-0xd113c0ff 64bit] <6>[ 0.552747] pci 0000:00:1f.4: reg 0x20: [io 0xefa0-0xefbf] <6>[ 0.553938] pci 0000:00:1f.5: [8086:9d24] type 00 class 0x000000 <6>[ 0.555032] pci 0000:00:1f.5: reg 0x10: [mem 0xfe010000-0xfe010fff] <6>[ 0.557222] pci 0000:01:00.0: [8086:095a] type 00 class 0x028000 <6>[ 0.558651] pci 0000:01:00.0: reg 0x10: [mem 0xd1000000-0xd1001fff 64bit] <6>[ 0.562492] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold <6>[ 0.565412] pci 0000:00:1c.0: PCI bridge to [bus 01] <6>[ 0.565887] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] <6>[ 0.567684] ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.568367] ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 *10 12 14 15) <6>[ 0.569355] ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.570353] ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.571351] ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.572355] ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.574366] ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.575402] ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.583225] ACPI: EC: interrupt unblocked <6>[ 0.583618] ACPI: EC: event unblocked <6>[ 0.583987] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 <6>[ 0.583995] ACPI: EC: GPE=0x6e <6>[ 0.584302] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC initialization complete <6>[ 0.584936] ACPI: \_SB_.PCI0.LPCB.EC0_: EC: Used to handle transactions and events <6>[ 0.586513] iommu: Default domain type: Translated <6>[ 0.587254] pci 0000:00:02.0: vgaarb: setting as boot VGA device <6>[ 0.587659] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none <6>[ 0.589026] pci 0000:00:02.0: vgaarb: bridge control possible <6>[ 0.589551] vgaarb: loaded <5>[ 0.590487] SCSI subsystem initialized <6>[ 0.591248] ACPI: bus type USB registered <6>[ 0.591774] usbcore: registered new interface driver usbfs <6>[ 0.592068] usbcore: registered new interface driver hub <6>[ 0.592600] usbcore: registered new device driver usb <6>[ 0.593145] pps_core: LinuxPPS API ver. 1 registered <6>[ 0.593603] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <6>[ 0.594007] PTP clock support registered <6>[ 0.595278] Advanced Linux Sound Architecture Driver Initialized. <6>[ 0.596764] NetLabel: Initializing <6>[ 0.596996] NetLabel: domain hash size = 128 <6>[ 0.597404] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO <6>[ 0.598002] NetLabel: unlabeled traffic allowed by default <6>[ 0.599147] PCI: Using ACPI for IRQ routing <6>[ 0.607846] clocksource: Switched to clocksource tsc-early <5>[ 1.068693] VFS: Disk quotas dquot_6.6.0 <6>[ 1.069147] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) <6>[ 1.070251] pnp: PnP ACPI init <6>[ 1.071566] system 00:00: [mem 0xfed10000-0xfed17fff] has been reserved <6>[ 1.072193] system 00:00: [mem 0xfed18000-0xfed18fff] has been reserved <6>[ 1.072793] system 00:00: [mem 0xfed19000-0xfed19fff] has been reserved <6>[ 1.073409] system 00:00: [mem 0xe0000000-0xe3ffffff] has been reserved <6>[ 1.074025] system 00:00: [mem 0xfed20000-0xfed3ffff] has been reserved <6>[ 1.074625] system 00:00: [mem 0xfed90000-0xfed93fff] could not be reserved <6>[ 1.075269] system 00:00: [mem 0xfed45000-0xfed8ffff] could not be reserved <6>[ 1.075897] system 00:00: [mem 0xff000000-0xffffffff] has been reserved <6>[ 1.076512] system 00:00: [mem 0xfee00000-0xfeefffff] has been reserved <6>[ 1.077127] system 00:00: [mem 0xfed00000-0xfed003ff] has been reserved <6>[ 1.078879] system 00:01: [io 0x1800-0x18fe] has been reserved <6>[ 1.079925] system 00:03: [io 0x0900-0x09fe] has been reserved <6>[ 1.080801] system 00:04: [io 0x0200] has been reserved <6>[ 1.081314] system 00:04: [io 0x0204] has been reserved <6>[ 1.081806] system 00:04: [io 0x0800-0x087f] has been reserved <6>[ 1.082363] system 00:04: [io 0x0880-0x08ff] has been reserved <6>[ 1.085883] pnp: PnP ACPI: found 6 devices <6>[ 1.103772] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns <6>[ 1.104726] NET: Registered protocol family 2 <6>[ 1.105334] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear) <6>[ 1.107857] tcp_listen_portaddr_hash hash table entries: 2048 (order: 5, 163840 bytes, linear) <6>[ 1.108898] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear) <6>[ 1.109890] TCP bind hash table entries: 32768 (order: 9, 2359296 bytes, linear) <6>[ 1.112639] TCP: Hash tables configured (established 32768 bind 32768) <6>[ 1.113602] MPTCP token hash table entries: 4096 (order: 6, 360448 bytes, linear) <6>[ 1.114612] UDP hash table entries: 2048 (order: 6, 327680 bytes, linear) <6>[ 1.115541] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes, linear) <6>[ 1.116650] NET: Registered protocol family 1 <6>[ 1.117876] RPC: Registered named UNIX socket transport module. <6>[ 1.118472] RPC: Registered udp transport module. <6>[ 1.118911] RPC: Registered tcp transport module. <6>[ 1.119365] RPC: Registered tcp NFSv4.1 backchannel transport module. <6>[ 1.120617] NET: Registered protocol family 44 <6>[ 1.121078] pci 0000:00:1c.0: PCI bridge to [bus 01] <6>[ 1.121553] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] <6>[ 1.122199] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] <6>[ 1.122757] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] <6>[ 1.123398] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] <6>[ 1.124030] pci_bus 0000:00: resource 7 [mem 0x000c0000-0x000c3fff window] <6>[ 1.124648] pci_bus 0000:00: resource 8 [mem 0x000c4000-0x000c7fff window] <6>[ 1.125278] pci_bus 0000:00: resource 9 [mem 0x000c8000-0x000cbfff window] <6>[ 1.125895] pci_bus 0000:00: resource 10 [mem 0x000cc000-0x000cffff window] <6>[ 1.126531] pci_bus 0000:00: resource 11 [mem 0x000d0000-0x000d3fff window] <6>[ 1.127170] pci_bus 0000:00: resource 12 [mem 0x000d4000-0x000d7fff window] <6>[ 1.127795] pci_bus 0000:00: resource 13 [mem 0x000d8000-0x000dbfff window] <6>[ 1.128475] pci_bus 0000:00: resource 14 [mem 0x000dc000-0x000dffff window] <6>[ 1.129116] pci_bus 0000:00: resource 15 [mem 0x000e0000-0x000e3fff window] <6>[ 1.129741] pci_bus 0000:00: resource 16 [mem 0x000e4000-0x000e7fff window] <6>[ 1.130378] pci_bus 0000:00: resource 17 [mem 0x000e8000-0x000ebfff window] <6>[ 1.131014] pci_bus 0000:00: resource 18 [mem 0x000ec000-0x000effff window] <6>[ 1.131638] pci_bus 0000:00: resource 19 [mem 0x000f0000-0x000fffff window] <6>[ 1.132274] pci_bus 0000:00: resource 20 [mem 0x80000001-0xdfffffff window] <6>[ 1.132898] pci_bus 0000:00: resource 21 [mem 0x800000000-0xbffffffff window] <6>[ 1.133549] pci_bus 0000:00: resource 22 [mem 0xfd000000-0xfe7fffff window] <6>[ 1.134188] pci_bus 0000:00: resource 23 [mem 0xfed40000-0xfed44fff window] <6>[ 1.134813] pci_bus 0000:01: resource 1 [mem 0xd1000000-0xd10fffff] <6>[ 1.135970] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] <6>[ 1.139158] PCI: CLS 64 bytes, default 64 <6>[ 1.140010] Unpacking initramfs... <6>[ 1.481649] Freeing initrd memory: 8440K <6>[ 1.482133] DMAR: Host address width 39 <6>[ 1.482534] DMAR: DRHD base: 0x000000fed90000 flags: 0x0 <6>[ 1.483111] DMAR: dmar0: reg_base_addr fed90000 ver 1:0 cap 1c0000c40660462 ecap 19e2ff0505e <6>[ 1.483859] DMAR: RMRR base: 0x0000007b800000 end: 0x0000007fffffff <6>[ 1.484445] DMAR: DRHD base: 0x000000fed91000 flags: 0x1 <6>[ 1.484952] DMAR: dmar1: reg_base_addr fed91000 ver 1:0 cap d2008c40660462 ecap f050da <6>[ 1.485783] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) <6>[ 1.486385] software IO TLB: mapped [mem 0x0000000076998000-0x000000007a998000] (64MB) <6>[ 1.487367] RAPL PMU: API unit is 2^-32 Joules, 5 fixed counters, 655360 ms ovfl timer <6>[ 1.488107] RAPL PMU: hw unit of domain pp0-core 2^-14 Joules <6>[ 1.488631] RAPL PMU: hw unit of domain package 2^-14 Joules <6>[ 1.489237] RAPL PMU: hw unit of domain dram 2^-14 Joules <6>[ 1.489732] RAPL PMU: hw unit of domain pp1-gpu 2^-14 Joules <6>[ 1.490260] RAPL PMU: hw unit of domain psys 2^-14 Joules <3>[ 1.492882] kvm: already loaded the other module <6>[ 1.496137] check: Scanning for low memory corruption every 60 seconds <5>[ 1.500604] Initialise system trusted keyrings <6>[ 1.501331] workingset: timestamp_bits=56 max_order=20 bucket_order=0 <5>[ 1.526713] NFS: Registering the id_resolver key type <5>[ 1.527242] Key type id_resolver registered <5>[ 1.527663] Key type id_legacy registered <5>[ 1.548659] Key type asymmetric registered <5>[ 1.549102] Asymmetric key parser 'x509' registered <6>[ 1.549609] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249) <6>[ 1.550305] io scheduler mq-deadline registered <6>[ 1.550728] io scheduler kyber registered <4>[ 1.551412] test_firmware: interface ready <6>[ 1.553670] pcieport 0000:00:1c.0: PME: Signaling with IRQ 120 <6>[ 1.555770] ACPI: AC Adapter [AC] (on-line) <6>[ 1.556645] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/PNP0C0D:00/input/input0 <6>[ 1.558503] ACPI: Lid Switch [LID0] <6>[ 1.559185] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input1 <6>[ 1.560161] ACPI: Power Button [PWRF] <6>[ 1.561061] ACPI: \_PR_.CP00: Found 3 idle states <6>[ 1.562410] ACPI: \_PR_.CP01: Found 3 idle states <6>[ 1.563617] ACPI: \_PR_.CP02: Found 3 idle states <6>[ 1.564762] ACPI: \_PR_.CP03: Found 3 idle states <6>[ 1.566594] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled <4>[ 1.569938] hpet_acpi_add: no address or irqs in _CRS <6>[ 1.570722] Non-volatile memory driver v1.3 <6>[ 1.571345] Linux agpgart interface v0.103 <6>[ 1.571660] battery: ACPI: Battery Slot [BAT0] (battery present) <6>[ 1.575384] i915 0000:00:02.0: vgaarb: deactivate vga console <6>[ 1.630310] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem <6>[ 1.632176] i915 0000:00:02.0: [drm] Finished loading DMC firmware i915/kbl_dmc_ver1_04.bin (v1.4) <6>[ 1.673798] [drm] Initialized i915 1.6.0 20200917 for 0000:00:02.0 on minor 0 <6>[ 1.678405] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 1 <6>[ 1.701331] loop: module loaded <6>[ 1.702746] lkdtm: No crash points registered, enable through debugfs <6>[ 1.734476] printk: console [ttyS0] disabled <6>[ 1.736071] dw-apb-uart.2: ttyS0 at MMIO 0xfe034000 (irq = 32, base_baud = 115200) is a 16550A <6>[ 2.501161] tsc: Refined TSC clocksource calibration: 1607.999 MHz <6>[ 2.501888] printk: console [ttyS0] enabled <6>[ 2.510630] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x172da94f0e2, max_idle_ns: 440795278248 ns <6>[ 2.535484] dw-apb-uart.4: ttyS1 at MMIO 0xd1137000 (irq = 20, base_baud = 115200) is a 16550A <6>[ 5.298071] clocksource: Switched to clocksource tsc <6>[ 5.298173] fbcon: i915drmfb (fb0) is primary device <4>[ 5.301542] pxa2xx-spi pxa2xx-spi.5: no DMA channels available, using PIO <6>[ 5.311597] e100: Intel(R) PRO/100 Network Driver <6>[ 5.311602] e100: Copyright(c) 1999-2006 Intel Corporation <6>[ 5.311679] e1000: Intel(R) PRO/1000 Network Driver <6>[ 5.311682] e1000: Copyright (c) 1999-2006 Intel Corporation. <6>[ 5.311783] e1000e: Intel(R) PRO/1000 Network Driver <6>[ 5.311786] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. <6>[ 5.311889] sky2: driver version 1.30 <6>[ 5.312452] usbcore: registered new interface driver r8152 <6>[ 5.313143] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver <6>[ 5.313167] ehci-pci: EHCI PCI platform driver <6>[ 5.313251] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver <6>[ 5.313277] ohci-pci: OHCI PCI platform driver <6>[ 5.313379] uhci_hcd: USB Universal Host Controller Interface driver <6>[ 5.313429] tpm_tis_spi spi-PRP0001:00: TPM ready IRQ confirmed on attempt 2 <6>[ 5.315161] xhci_hcd 0000:00:14.0: xHCI Host Controller <6>[ 5.316983] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 1 <6>[ 5.318722] xhci_hcd 0000:00:14.0: hcc params 0x200077c1 hci version 0x100 quirks 0x0000000081109810 <6>[ 5.318800] xhci_hcd 0000:00:14.0: cache line size of 64 is not supported <6>[ 5.322176] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10 <6>[ 5.322208] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 <6>[ 5.322215] usb usb1: Product: xHCI Host Controller <6>[ 5.322221] usb usb1: Manufacturer: Linux 5.10.164-cip24 xhci-hcd <6>[ 5.322225] usb usb1: SerialNumber: 0000:00:14.0 <6>[ 5.324711] hub 1-0:1.0: USB hub found <6>[ 5.324986] hub 1-0:1.0: 12 ports detected <6>[ 5.331322] xhci_hcd 0000:00:14.0: xHCI Host Controller <6>[ 5.331792] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 2 <6>[ 5.331807] xhci_hcd 0000:00:14.0: Host supports USB 3.0 SuperSpeed <6>[ 5.332321] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.10 <6>[ 5.332331] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 <6>[ 5.332335] usb usb2: Product: xHCI Host Controller <6>[ 5.332339] usb usb2: Manufacturer: Linux 5.10.164-cip24 xhci-hcd <6>[ 5.332343] usb usb2: SerialNumber: 0000:00:14.0 <6>[ 5.334858] hub 2-0:1.0: USB hub found <6>[ 5.335078] hub 2-0:1.0: 6 ports detected <6>[ 5.339197] usbcore: registered new interface driver usblp <6>[ 5.339292] usbcore: registered new interface driver usb-storage <6>[ 5.340185] udc-core: couldn't find an available UDC - added [g_ether] to list of pending drivers <6>[ 5.340412] i8042: PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1 <4>[ 5.340415] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp <6>[ 5.340627] tpm_tis_spi spi-PRP0001:00: 2.0 TPM (device-id 0x28, rev-id 0) <4>[ 5.341445] i8042: Warning: Keylock active <6>[ 5.341774] serio: i8042 KBD port at 0x60,0x64 irq 1 <6>[ 5.343910] Console: switching to colour frame buffer device 240x67 <6>[ 5.345455] rtc_cmos 00:02: RTC can wake from S4 <6>[ 5.348562] rtc_cmos 00:02: registered as rtc0 <6>[ 5.348827] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input2 <6>[ 5.348916] rtc_cmos 00:02: alarms up to one month, 242 bytes nvram <6>[ 5.350823] i801_smbus 0000:00:1f.4: SPD Write Disable is set <6>[ 5.350877] i801_smbus 0000:00:1f.4: SMBus using PCI interrupt <6>[ 5.352716] i2c i2c-9: 2/2 memory slots populated (from DMI) <6>[ 5.354787] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com <6>[ 5.354849] intel_pstate: Intel P-state driver initializing <6>[ 5.355782] intel_pstate: HWP enabled <6>[ 5.355819] sdhci: Secure Digital Host Controller Interface driver <6>[ 5.355820] sdhci: Copyright(c) Pierre Ossman <6>[ 5.355854] sdhci-pci 0000:00:1e.4: SDHCI controller found [8086:9d2b] (rev 21) <6>[ 5.357228] mmc0: SDHCI controller on PCI [0000:00:1e.4] using ADMA 64-bit <6>[ 5.357418] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 5.363228] i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device <6>[ 5.371087] hid: raw HID events driver (C) Jiri Kosina <6>[ 5.573400] mmc0: new HS400 MMC card at address 0001 <6>[ 5.577748] usbcore: registered new interface driver usbhid <6>[ 5.586623] mmcblk0: mmc0:0001 DA4064 58.2 GiB <6>[ 5.591234] usbhid: USB HID core driver <6>[ 5.591691] input: Tablet Mode Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/GOOG0006:00/input/input3 <6>[ 5.598492] mmcblk0boot0: mmc0:0001 DA4064 partition 1 4.00 MiB <6>[ 5.608771] cros_ec_lpcs GOOG0004:00: Chrome EC device registered <6>[ 5.613224] mmcblk0boot1: mmc0:0001 DA4064 partition 2 4.00 MiB <6>[ 5.620197] snd_hda_intel 0000:00:1f.3: DSP detected with PCI class/subclass/prog-if info 0x040100 <6>[ 5.626710] mmcblk0rpmb: mmc0:0001 DA4064 partition 3 16.0 MiB, chardev (246:0) <6>[ 5.644246] netem: version 1.3 <6>[ 5.651072] tpm_tis_spi spi-PRP0001:00: Cr50 firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_B:0.5.5/cr50_v1.9308_87_mp.479-d7 <6>[ 5.656673] ipip: IPv4 and MPLS over IPv4 tunneling driver <6>[ 5.676857] mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12 <6>[ 5.682913] gre: GRE over IPv4 demultiplexor driver <6>[ 5.702077] usb 1-3: new full-speed USB device number 2 using xhci_hcd <6>[ 5.703231] ip_gre: GRE over IPv4 tunneling driver <6>[ 5.704127] IPv4 over IPsec tunneling driver <6>[ 5.818241] snd_hda_intel 0000:00:1f.3: bound 0000:00:02.0 (ops i915_audio_component_bind_ops) <6>[ 5.820834] Initializing XFRM netlink socket <6>[ 5.914526] usb 1-3: New USB device found, idVendor=8087, idProduct=0a2a, bcdDevice= 0.03 <3>[ 5.922759] snd_hda_intel 0000:00:1f.3: Cannot probe codecs, giving up <6>[ 5.922912] NET: Registered protocol family 10 <6>[ 5.923968] Segment Routing with IPv6 <6>[ 5.924760] ip6_gre: GRE over IPv6 tunneling driver <6>[ 5.925211] NET: Registered protocol family 17 <5>[ 5.925329] Key type dns_resolver registered <6>[ 5.927755] usb 1-3: New USB device strings: Mfr=0, Product=0, SerialNumber=0 <6>[ 5.992143] usb 2-3: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd <6>[ 6.008723] microcode: sig=0x806e9, pf=0x10, revision=0x98 <6>[ 6.015322] microcode: Microcode Update Driver: v2.2. <6>[ 6.015329] IPI shorthand broadcast: enabled <6>[ 6.026451] sched_clock: Marking stable (5935841479, 90548886)->(6121451375, -95061010) <6>[ 6.036079] registered taskstats version 1 <5>[ 6.040974] Loading compiled-in X.509 certificates <6>[ 6.047281] usb 2-3: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=31.00 <6>[ 6.049052] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 6.056733] usb 2-3: New USB device strings: Mfr=1, Product=2, SerialNumber=6 <6>[ 6.056736] usb 2-3: Product: USB 10/100/1000 LAN <6>[ 6.067085] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 6.073577] usb 2-3: Manufacturer: Realtek <6>[ 6.073580] usb 2-3: SerialNumber: 001000001 <6>[ 6.080498] PM: Magic number: 7:293:239 <6>[ 6.090284] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 6.111029] printk: console [netcon0] enabled <6>[ 6.116240] netconsole: network logging started <3>[ 6.122405] IP-Config: Failed to open gretap0 <3>[ 6.127599] IP-Config: Failed to open erspan0 <3>[ 6.132760] IP-Config: No network devices available <5>[ 6.138519] cfg80211: Loading compiled-in X.509 certificates for regulatory database <6>[ 6.150248] modprobe (102) used greatest stack depth: 14208 bytes left <5>[ 6.153446] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' <6>[ 6.157868] modprobe (103) used greatest stack depth: 14120 bytes left <6>[ 6.163046] usb 1-9: new high-speed USB device number 3 using xhci_hcd <4>[ 6.165749] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 <6>[ 6.166115] ALSA device list: <6>[ 6.166120] No soundcards found. <6>[ 6.198529] cfg80211: failed to load regulatory.db <4>[ 6.204422] dw-apb-uart dw-apb-uart.2: forbid DMA for kernel console <6>[ 6.214601] Freeing unused kernel image (initmem) memory: 2012K <6>[ 6.229254] Write protecting the kernel read-only data: 28672k <6>[ 6.237310] Freeing unused kernel image (text/rodata gap) memory: 2028K <6>[ 6.245333] Freeing unused kernel image (rodata/data gap) memory: 200K <6>[ 6.252995] Run /init as init process Loading, please wait... Starting version 247.3-7+deb11u1 <6>[ 6.275373] systemd-udevd (124) used greatest stack depth: 14016 bytes left <6>[ 6.329215] usb 1-9: New USB device found, idVendor=13d3, idProduct=56d4, bcdDevice=18.07 <6>[ 6.329339] udevadm (126) used greatest stack depth: 13720 bytes left <6>[ 6.338691] usb 1-9: New USB device strings: Mfr=3, Product=1, SerialNumber=2 <6>[ 6.354456] usb 1-9: Product: USB2.0 HD UVC WebCam <6>[ 6.360123] usb 1-9: Manufacturer: Azurewave <6>[ 6.365204] usb 1-9: SerialNumber: 0x0001 <6>[ 6.373855] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 6.423024] usb 2-3: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd <6>[ 6.468219] r8152 2-3:1.0: load rtl8153b-2 v1 10/23/19 successfully <6>[ 6.504575] r8152 2-3:1.0 eth0: v1.11.11 <6>[ 6.509849] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <4>[ 6.510082] cros-usbpd-notify-acpi GOOG0003:00: Couldn't get Chrome EC device pointer. <6>[ 6.518635] r8152 2-3:1.0 enx00e04c680a98: renamed from eth0 <6>[ 6.529617] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 6.564425] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 6.617927] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 6.628764] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 6.638968] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 6.655600] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 6.667004] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 6.677323] 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 ... Waiting up to 60 secs for any ethernet to become available Device /sys/class/net/enx00e04c680a98 found 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: enx00e04c680a98 hardware address 00:e0:4c:68:0a:98 mtu 1500 DHCP <6>[ 8.122604] IPv6: ADDRCONF(NETDEV_CHANGE): enx00e04c680a98: link becomes ready <6>[ 8.131452] r8152 2-3:1.0 enx00e04c680a98: carrier on IP-Config: no response after 2 secs - giving up 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: enx00e04c680a98 hardware address 00:e0:4c:68:0a:98 mtu 1500 DHCP IP-Config: enx00e04c680a98 complete (dhcp from 192.168.201.1): address: 192.168.201.18 broadcast: 192.168.201.255 netmask:<6>[ 8.298285] ipconfig (166) used greatest stack depth: 13464 bytes left 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-2 domain : lava-rack rootserver: 192.168.201.1 rootpath: filename : <6>[ 8.405247] nfsmount (167) 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 <30>[ 9.581001] 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) <30>[ 9.620337] systemd[1]: Detected architecture x86-64. Welcome to Debian GNU/Linux 11 (bullseye)! <30>[ 9.648475] systemd[1]: Set hostname to . <30>[ 10.099715] systemd[1]: Queued start job for default target Graphical Interface. <30>[ 10.111617] systemd[1]: Created slice system-getty.slice. [ OK ] Created slice system-getty.slice. <30>[ 10.128664] systemd[1]: Created slice system-modprobe.slice. [ OK ] Created slice system-modprobe.slice. <30>[ 10.145697] systemd[1]: Created slice system-serial\x2dgetty.slice. [ OK ] Created slice system-serial\x2dgetty.slice. <30>[ 10.162627] systemd[1]: Created slice User and Session Slice. [ OK ] Created slice User and Session Slice. <30>[ 10.178564] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [ OK ] Started Dispatch Password …ts to Console Directory Watch. <30>[ 10.200475] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [ OK ] Started Forward Password R…uests to Wall Directory Watch. <30>[ 10.220281] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point. [ OK ] Set up automount Arbitrary…s File System Automount Point. <30>[ 10.243387] systemd[1]: Reached target Local Encrypted Volumes. [ OK ] Reached target Local Encrypted Volumes. <30>[ 10.260380] systemd[1]: Reached target Paths. [ OK ] Reached target Paths. <30>[ 10.274344] systemd[1]: Reached target Remote File Systems. [ OK ] Reached target Remote File Systems. <30>[ 10.290334] systemd[1]: Reached target Slices. [ OK ] Reached target Slices. <30>[ 10.302251] systemd[1]: Reached target Swap. [ OK ] Reached target Swap. <30>[ 10.313591] systemd[1]: Listening on initctl Compatibility Named Pipe. [ OK ] Listening on initctl Compatibility Named Pipe. <30>[ 10.332257] systemd[1]: Listening on Journal Audit Socket. [ OK ] Listening on Journal Audit Socket. <30>[ 10.349200] systemd[1]: Listening on Journal Socket (/dev/log). [ OK ] Listening on Journal Socket (/dev/log). <30>[ 10.365718] systemd[1]: Listening on Journal Socket. [ OK ] Listening on Journal Socket. <30>[ 10.381180] systemd[1]: Listening on Network Service Netlink Socket. [ OK ] Listening on Network Service Netlink Socket. <30>[ 10.400156] systemd[1]: Listening on udev Control Socket. [ OK ] Listening on udev Control Socket. <30>[ 10.416697] systemd[1]: Listening on udev Kernel Socket. [ OK ] Listening on udev Kernel Socket. <30>[ 10.434153] systemd[1]: Mounting Huge Pages File System... Mounting Huge Pages File System... <30>[ 10.450640] systemd[1]: Mounting POSIX Message Queue File System... Mounting POSIX Message Queue File System... <30>[ 10.468688] systemd[1]: Mounting Kernel Debug File System... Mounting Kernel Debug File System... <30>[ 10.483717] systemd[1]: Mounting Kernel Trace File System... Mounting Kernel Trace File System... <30>[ 10.504667] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting Create list of st…odes for the current kernel... <30>[ 10.528672] systemd[1]: Starting Load Kernel Module configfs... Starting Load Kernel Module configfs... <30>[ 10.549283] systemd[1]: Starting Load Kernel Module drm... Starting Load Kernel Module drm... <30>[ 10.564653] systemd[1]: Starting Load Kernel Module fuse... Starting Load Kernel Module fuse... <30>[ 10.603099] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. <6>[ 10.613931] fuse: init (API version 7.32) <30>[ 10.620351] systemd[1]: Starting Journal Service... Starting Journal Service... <30>[ 10.636197] systemd[1]: Starting Load Kernel Modules... Starting Load Kernel Modules... <30>[ 10.649748] systemd[1]: Starting Remount Root and Kernel File Systems... Starting Remount Root and Kernel File Systems... <30>[ 10.668023] systemd[1]: Starting Coldplug All udev Devices... Starting Coldplug All udev Devices... <30>[ 10.686727] systemd[1]: Mounted Huge Pages File System. [ OK ] Mounted Huge Pages File System. <30>[ 10.702343] systemd[1]: Mounted POSIX Message Queue File System. [ OK ] Mounted POSIX Message Queue File System. <30>[ 10.718320] systemd[1]: Mounted Kernel Debug File System. [ OK ] Mounted Kernel Debug File System. <30>[ 10.735274] systemd[1]: Mounted Kernel Trace File System. [ OK ] Mounted Kernel Trace File System. <30>[ 10.753292] systemd[1]: Finished Create list of static device nodes for the current kernel. [ OK ] Finished Create list of st… nodes for the current kernel. <30>[ 10.777559] systemd[1]: modprobe@configfs.service: Succeeded. <30>[ 10.785209] systemd[1]: Finished Load Kernel Module configfs. [ OK ] Finished Load Kernel Module configfs. <30>[ 10.803190] systemd[1]: modprobe@drm.service: Succeeded. <30>[ 10.810359] systemd[1]: Finished Load Kernel Module drm. [ OK ] Finished Load Kernel Module drm. <30>[ 10.827157] systemd[1]: modprobe@fuse.service: Succeeded. <30>[ 10.834201] systemd[1]: Finished Load Kernel Module fuse. [ OK ] Finished Load Kernel Module fuse. <30>[ 10.849963] systemd[1]: Finished Load Kernel Modules. [ OK ] Finished Load Kernel Modules. <30>[ 10.865413] systemd[1]: Started Journal Service. [ OK ] Started Journal Service. [ OK ] Finished Remount Root and Kernel File Systems. Mounting FUSE Control File System... Mounting Kernel Configuration File System... Starting Flush Journal to Persistent Storage... Starting Load/Save Random Seed... Starting Apply Kernel Variables... <46>[ 10.951905] systemd-journald[203]: Received client request to flush runtime journal. Starting Create System Users... [ OK ] Mounted FUSE Control File System. [ OK ] Mounted Kernel Configuration File System. [ OK ] Finished Load/Save Random Seed. [ OK ] Finished Apply Kernel Variables. [ OK ] Finished Coldplug All udev Devices. [ OK ] Finished Create System Users. Starting Create Static Device Nodes in /dev... [ OK ] Finished Flush Journal to Persistent Storage. <6>[ 12.476491] systemd-tmpfile (215) used greatest stack depth: 12528 bytes left [ OK ] Finished Create Static Device Nodes in /dev. [ OK ] Reached target Local File Systems (Pre). [ OK ] Reached target Local File Systems. Starting Create Volatile Files and Directories... Starting Rule-based Manage…for Device Events and Files... [ OK ] Started Rule-based Manager for Device Events and Files. Starting Network Service... [ OK ] Finished Create Volatile Files and Directories. Starting Network Time Synchronization... Starting Update UTMP about System Boot/Shutdown... [ OK ] Finished Update UTMP about System Boot/Shutdown. [ OK ] Found device Sunrise Point-LP Serial IO UART Controller. [ OK ] Created slice system-systemd\x2dbacklight.slice. [ OK ] Listening on Load/Save RF …itch Status /dev/rfkill Watch. Starting Load/Save Screen …f backlight:intel_backlight... [ OK ] Finished Load/Save Screen … of backlight:intel_backlight. [ OK ] Started Network Time Synchronization. [ OK ] Reached target System Initialization. [ OK ] Started Daily Cleanup of Temporary Directories. [ OK ] Reached target System Time Set. [ OK ] Reached target System Time Synchronized. [ OK ] Started Daily apt download activities. [ OK ] Started Daily apt upgrade and clean activities. [ OK ] Started Periodic ext4 Onli…ata Check for All Filesystems. [ OK ] Started Discard unused blocks once a week. [ OK ] Reached target Timers. [ OK ] Listening on D-Bus System Message Bus Socket. [ OK ] Reached target Sockets. [ OK ] Reached target Basic System. [ OK ] Started D-Bus System Message Bus. Starting Remove Stale Onli…t4 Metadata Check Snapshots... Starting User Login Management... [ OK ] Started Network Service. Starting Network Name Resolution... [ OK ] Finished Remove Stale Onli…ext4 Metadata Check Snapshots. [ OK ] Started User Login Management. [ OK ] Started Network Name Resolution. [ OK ] Reached target Network. [ OK ] Reached target Host and Network Name Lookups. Starting Permit User Sessions... [ OK ] Finished Permit User Sessions. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttyS0. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Finished Update UTMP about System Runlevel Changes. Debian GNU/Linux 11 debian-bullseye-amd64 ttyS0 debian-bullseye-amd64 login: root (automatic login) Linux debian-bullseye-amd64 5.10.164-cip24 #1 SMP Wed Jan 18 14:52:48 UTC 2023 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/8777920/extract-nfsrootfs-hi83331c' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/8777920/extract-nfsrootfs-hi83331c' / # 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-8777920/environment . /lava-8777920/environment / # /lava-8777920/bin/lava-test-runner /lava-8777920/0 /lava-8777920/bin/lava-test-runner /lava-8777920/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-8777920/0/tests/0_timesync-off ++ cat uuid + UUID=8777920_1.5.2.3.1 + set +x + systemctl stop systemd-timesyncd + set +x + export TESTRUN_ID=1_kselftest-lkdtm + TESTRUN_ID=1_kselftest-lkdtm + cd /lava-8777920/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=8777920_1.5.2.3.5 + set +x + cd ./automated/linux/kselftest/ + ./kselftest.sh -c lkdtm -T '' -t kselftest_armhf.tar.gz -s True -u http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.162-cip24-853-g709bb3738fde/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/ -n 1 -i 1 INFO: Generating a skipfile based on /lava-8777920/0/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: install_deps skipped --2023-01-18 17:14:58-- http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.162-cip24-853-g709bb3738fde/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: 3320172 (3.2M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 1%[ ] 46.39K 161KB/s kselftest.tar.xz 6%[> ] 216.08K 373KB/s kselftest.tar.xz 27%[====> ] 896.25K 1.01MB/s kselftest.tar.xz 42%[=======> ] 1.33M 1.24MB/s kselftest.tar.xz 96%[==================> ] 3.07M 2.23MB/s kselftest.tar.xz 100%[===================>] 3.17M 2.08MB/s in 1.5s 2023-01-18 17:15:00 (2.08 MB/s) - 'kselftest.tar.xz' saved [3320172/3320172] skiplist: ======================================== breakpoints:breakpoint_test breakpoints:step_after_suspend_test ftrace:ftracetest net:rtnetlink.sh net:tls netfilter:bridge_brouter.sh netfilter:nft_flowtable.sh netfilter:nft_trans_stress.sh pidfd:pidfd_wait ======================================== lkdtm:PANIC.sh lkdtm:BUG.sh lkdtm:WARNING.sh lkdtm:WARNING_MESSAGE.sh lkdtm:EXCEPTION.sh lkdtm:LOOP.sh lkdtm:EXHAUST_STACK.sh lkdtm:CORRUPT_STACK.sh lkdtm:CORRUPT_STACK_STRONG.sh lkdtm:CORRUPT_LIST_ADD.sh lkdtm:CORRUPT_LIST_DEL.sh lkdtm:STACK_GUARD_PAGE_LEADING.sh lkdtm:STACK_GUARD_PAGE_TRAILING.sh lkdtm:UNSET_SMEP.sh lkdtm:DOUBLE_FAULT.sh lkdtm:CORRUPT_PAC.sh lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh lkdtm:OVERWRITE_ALLOCATION.sh lkdtm:WRITE_AFTER_FREE.sh lkdtm:READ_AFTER_FREE.sh lkdtm:WRITE_BUDDY_AFTER_FREE.sh lkdtm:READ_BUDDY_AFTER_FREE.sh lkdtm:SLAB_FREE_DOUBLE.sh lkdtm:SLAB_FREE_CROSS.sh lkdtm:SLAB_FREE_PAGE.sh lkdtm:SOFTLOCKUP.sh lkdtm:HARDLOCKUP.sh lkdtm:SPINLOCKUP.sh lkdtm:HUNG_TASK.sh lkdtm:EXEC_DATA.sh lkdtm:EXEC_STACK.sh lkdtm:EXEC_KMALLOC.sh lkdtm:EXEC_VMALLOC.sh lkdtm:EXEC_RODATA.sh lkdtm:EXEC_USERSPACE.sh lkdtm:EXEC_NULL.sh lkdtm:ACCESS_USERSPACE.sh lkdtm:ACCESS_NULL.sh lkdtm:WRITE_RO.sh lkdtm:WRITE_RO_AFTER_INIT.sh lkdtm:WRITE_KERN.sh lkdtm:REFCOUNT_INC_OVERFLOW.sh lkdtm:REFCOUNT_ADD_OVERFLOW.sh lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_DEC_ZERO.sh lkdtm:REFCOUNT_DEC_NEGATIVE.sh lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_INC_ZERO.sh lkdtm:REFCOUNT_ADD_ZERO.sh lkdtm:REFCOUNT_INC_SATURATED.sh lkdtm:REFCOUNT_DEC_SATURATED.sh lkdtm:REFCOUNT_ADD_SATURATED.sh lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_TIMING.sh lkdtm:ATOMIC_TIMING.sh lkdtm:USERCOPY_HEAP_SIZE_TO.sh lkdtm:USERCOPY_HEAP_SIZE_FROM.sh lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh lkdtm:USERCOPY_STACK_FRAME_TO.sh lkdtm:USERCOPY_STACK_FRAME_FROM.sh lkdtm:USERCOPY_STACK_BEYOND.sh lkdtm:USERCOPY_KERNEL.sh lkdtm:STACKLEAK_ERASING.sh lkdtm:CFI_FORWARD_PROTO.sh ============== Tests to run =============== lkdtm:PANIC.sh lkdtm:BUG.sh lkdtm:WARNING.sh lkdtm:WARNING_MESSAGE.sh lkdtm:EXCEPTION.sh lkdtm:LOOP.sh lkdtm:EXHAUST_STACK.sh lkdtm:CORRUPT_STACK.sh lkdtm:CORRUPT_STACK_STRONG.sh lkdtm:CORRUPT_LIST_ADD.sh lkdtm:CORRUPT_LIST_DEL.sh lkdtm:STACK_GUARD_PAGE_LEADING.sh lkdtm:STACK_GUARD_PAGE_TRAILING.sh lkdtm:UNSET_SMEP.sh lkdtm:DOUBLE_FAULT.sh lkdtm:CORRUPT_PAC.sh lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh lkdtm:OVERWRITE_ALLOCATION.sh lkdtm:WRITE_AFTER_FREE.sh lkdtm:READ_AFTER_FREE.sh lkdtm:WRITE_BUDDY_AFTER_FREE.sh lkdtm:READ_BUDDY_AFTER_FREE.sh lkdtm:SLAB_FREE_DOUBLE.sh lkdtm:SLAB_FREE_CROSS.sh lkdtm:SLAB_FREE_PAGE.sh lkdtm:SOFTLOCKUP.sh lkdtm:HARDLOCKUP.sh lkdtm:SPINLOCKUP.sh lkdtm:HUNG_TASK.sh lkdtm:EXEC_DATA.sh lkdtm:EXEC_STACK.sh lkdtm:EXEC_KMALLOC.sh lkdtm:EXEC_VMALLOC.sh lkdtm:EXEC_RODATA.sh lkdtm:EXEC_USERSPACE.sh lkdtm:EXEC_NULL.sh lkdtm:ACCESS_USERSPACE.sh lkdtm:ACCESS_NULL.sh lkdtm:WRITE_RO.sh lkdtm:WRITE_RO_AFTER_INIT.sh lkdtm:WRITE_KERN.sh lkdtm:REFCOUNT_INC_OVERFLOW.sh lkdtm:REFCOUNT_ADD_OVERFLOW.sh lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_DEC_ZERO.sh lkdtm:REFCOUNT_DEC_NEGATIVE.sh lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_INC_ZERO.sh lkdtm:REFCOUNT_ADD_ZERO.sh lkdtm:REFCOUNT_INC_SATURATED.sh lkdtm:REFCOUNT_DEC_SATURATED.sh lkdtm:REFCOUNT_ADD_SATURATED.sh lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_TIMING.sh lkdtm:ATOMIC_TIMING.sh lkdtm:USERCOPY_HEAP_SIZE_TO.sh lkdtm:USERCOPY_HEAP_SIZE_FROM.sh lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh lkdtm:USERCOPY_STACK_FRAME_TO.sh lkdtm:USERCOPY_STACK_FRAME_FROM.sh lkdtm:USERCOPY_STACK_BEYOND.sh lkdtm:USERCOPY_KERNEL.sh lkdtm:STACKLEAK_ERASING.sh lkdtm:CFI_FORWARD_PROTO.sh ===========End Tests to run =============== <12>[ 28.591532] 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 <6>[ 28.842120] lkdtm: Performing direct entry BUG <4>[ 28.847472] ------------[ cut here ]------------ <2>[ 28.852939] kernel BUG at drivers/misc/lkdtm/bugs.c:76! <4>[ 28.859106] invalid opcode: 0000 [#1] SMP PTI <4>[ 28.864269] CPU: 3 PID: 645 Comm: cat Tainted: G W 5.10.164-cip24 #1 <4>[ 28.873115] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 28.880212] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 28.884886] Code: 89 ff e8 9e 6a 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 65 92 02 <4>[ 28.906157] RSP: 0018:ffff9ff34135fe60 EFLAGS: 00010282 <4>[ 28.912281] RAX: ffffffff98ce40d0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 28.920540] RDX: 0000000000000000 RSI: ffff9cd33ad9bf70 RDI: ffffffff99ad0fb0 <4>[ 28.928800] RBP: ffffffff99f0f118 R08: 0000000000000001 R09: 0000000000000001 <4>[ 28.937071] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 28.945331] R13: ffff9ff34135ff10 R14: ffff9ff34135ff10 R15: ffff9cd2c333d000 <4>[ 28.953584] FS: 00007f81db941580(0000) GS:ffff9cd33ad80000(0000) knlGS:0000000000000000 <4>[ 28.962911] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 28.969619] CR2: 00007f81db74a000 CR3: 0000000103738004 CR4: 00000000003706e0 <4>[ 28.977869] Call Trace: <4>[ 28.980887] direct_entry.cold+0x2c/0x38 <4>[ 28.985557] full_proxy_write+0x53/0x80 <4>[ 28.990135] vfs_write+0xe7/0x3a0 <4>[ 28.994124] ksys_write+0x68/0xf0 <4>[ 28.998116] do_syscall_64+0x30/0x40 <4>[ 29.002397] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 29.008328] RIP: 0033:0x7f81db857833 <4>[ 29.012606] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 29.033876] RSP: 002b:00007ffe815c7f88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 29.042614] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f81db857833 <4>[ 29.050866] RDX: 0000000000000004 RSI: 00007f81db74a000 RDI: 0000000000000001 <4>[ 29.059125] RBP: 00007f81db74a000 R08: 00007f81db749010 R09: 0000000000000000 <4>[ 29.067386] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 29.075645] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 29.083908] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify <4>[ 29.110663] ---[ end trace 803147a0d9c265f5 ]--- <4>[ 29.116117] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 29.120793] Code: 89 ff e8 9e 6a 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 65 92 02 <4>[ 29.142097] RSP: 0018:ffff9ff34135fe60 EFLAGS: 00010282 <4>[ 29.148232] RAX: ffffffff98ce40d0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 29.156496] RDX: 0000000000000000 RSI: ffff9cd33ad9bf70 RDI: ffffffff99ad0fb0 <4>[ 29.164789] RBP: ffffffff99f0f118 R08: 0000000000000001 R09: 0000000000000001 <4>[ 29.173082] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 29.181374] R13: ffff9ff34135ff10 R14: ffff9ff34135ff10 R15: ffff9cd2c333d000 <4>[ 29.189665] FS: 00007f81db941580(0000) GS:ffff9cd33ad80000(0000) knlGS:0000000000000000 <4>[ 29.199033] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 29.205754] CR2: 00007f81db74a000 CR3: 0000000103738004 CR4: 00000000003706e0 # Segmentation fault # [ 28.842120] lkdtm: Performing direct entry BUG # [ 28.847472] ------------[ cut here ]------------ # [ 28.852939] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 28.859106] invalid opcode: 0000 [#1] SMP PTI # [ 28.864269] CPU: 3 PID: 645 Comm: cat Tainted: G W 5.10.164-cip24 #1 # [ 28.873115] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 28.880212] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 28.884886] Code: 89 ff e8 9e 6a 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 65 92 02 # [ 28.906157] RSP: 0018:ffff9ff34135fe60 EFLAGS: 00010282 # [ 28.912281] RAX: ffffffff98ce40d0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 28.9<6>[ 29.306654] lkdtm: Performing direct entry WARNING 20540] RDX: 0000000000000000 RSI: ffff9cd33ad9bf70 RDI: ffffffff<4>[ 29.313337] ------------[ cut here ]------------ 99ad0fb0 # [ 28.928800] RBP: ffffffff99f0f118 R08: 0000000000<4>[ 29.325006] WARNING: CPU: 1 PID: 681 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 000001 R09: 0000000000000001 # [ 28.937071] R10: 00000000ffff<4>[ 29.340920] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify e000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 28.94533<4>[ 29.373847] CPU: 1 PID: 681 Comm: cat Tainted: G D W 5.10.164-cip24 #1 1] R13: ffff9ff34135ff10 R14: ffff9ff34135ff10 R15: ffff9cd2c333<4>[ 29.388906] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 d000 # [ 28.953584] FS: 00007f81db941580(0000) GS:ffff9cd33a<4>[ 29.402220] RIP: 0010:lkdtm_WARNING+0x13/0x20 d80000(0000) knlGS:0000000000000000 # [ 28.962911] CS: 0010 <4>[ 29.413591] 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 65 92 02 01 75 05 c3 cc cc cc cc <0f> 0b c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 61 65 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 28.969619] CR2: 0<4>[ 29.441114] RSP: 0018:ffff9ff3413cfe60 EFLAGS: 00010202 <4>[ 29.453436] RAX: ffffffff98ce40e0 RBX: 0000000000000002 RCX: 0000000000000000 0007f81db74a000 CR3: 0000000103738004 CR4: 00000000003706e0 # [<4>[ 29.461700] RDX: 0000000000000000 RSI: ffff9cd33ac9bf70 RDI: ffffffff99ad0fc0 <4>[ 29.476173] RBP: ffffffff99eb3a27 R08: 0000000000000000 R09: 0000000000000000 28.977869] Call Trace: # [ 28.980887] direct_entry.cold+0<4>[ 29.484438] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 x2c/0x38 # [ 28.985557] full_proxy_write+0x53/0x80 # [ 28<4>[ 29.498911] R13: ffff9ff3413cff10 R14: ffff9ff3413cff10 R15: ffff9cd2c32d3000 .990135] vfs_write+0xe7/0x3a0 # [ 28.994124] ksys_write+0x6<4>[ 29.513391] FS: 00007f7077df0580(0000) GS:ffff9cd33ac80000(0000) knlGS:0000000000000000 <4>[ 29.528935] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 8/0xf0 # [ 28.998116] do_syscall_64+0x30/0x40 # [ 29.0023<4>[ 29.535647] CR2: 00007f7077bf9000 CR3: 00000001029f2005 CR4: 00000000003706e0 <4>[ 29.550118] Call Trace: 97] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 29.008328] <4>[ 29.553145] direct_entry.cold+0x2c/0x38 RIP: 0033:0x7f81db857833 # [ 29.012606] Code: 8b 15 61 26 0e <4>[ 29.564030] full_proxy_write+0x53/0x80 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 2<4>[ 29.574818] vfs_write+0xe7/0x3a0 5 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff <4>[ 29.585029] ksys_write+0x68/0xf0 ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 29.033<4>[ 29.595234] do_syscall_64+0x30/0x40 <4>[ 29.605732] entry_SYSCALL_64_after_hwframe+0x61/0xc6 876] RSP: 002b:00007ffe815c7f88 EFLAGS: 00000246 ORIG_RAX: 00000<4>[ 29.611667] RIP: 0033:0x7f7077d06833 <4>[ 29.622157] Code: 8b 15 61 26 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 00000000001 # [ 29.042614] RAX: ffffffffffffffda RBX: 0000000<4>[ 29.643435] RSP: 002b:00007ffd1e0f3c88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 000000004 RCX: 00007f81db857833 # [ 29.050866] RDX: 000000000<4>[ 29.658395] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f7077d06833 <4>[ 29.672871] RDX: 0000000000000008 RSI: 00007f7077bf9000 RDI: 0000000000000001 0000004 RSI: 00007f81db74a000 RDI: 0000000000000001 # [ 29.05<4>[ 29.681134] RBP: 00007f7077bf9000 R08: 00007f7077bf8010 R09: 0000000000000000 9125] RBP: 00007f81db74a000 R08: 00007f81db749010 R09: 000000000<4>[ 29.695608] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 0000000 # [ 29.067386] R10: fffffffffffffbc5 R11: 00000000000<4>[ 29.710088] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 00246 R12: 0000000000000001 # [ 29.075645] R13: 0000000000000<4>[ 29.724589] irq event stamp: 0 <4>[ 29.734481] hardirqs last enabled at (0): [<0000000000000000>] 0x0 001 R14: 0000000000020000 R15: 0000000000020000 # [ 29.083908<4>[ 29.741776] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 ] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sens<4>[ 29.757438] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 ors_core industrialio_triggered_buffer kfifo_buf industrialio cr<4>[ 29.773079] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 29.786585] ---[ end trace 803147a0d9c265f6 ]--- os_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 29.110663] ---[ end trace 803147a0d9c265f5 ]--- # [ 29.116117] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 29.120793] Code: 89 ff e8 9e 6a 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 65 92 02 # [ 29.142097] RSP: 0018:ffff9ff34135fe60 EFLAGS: 00010282 # [ 29.148232] RAX: ffffffff98ce40d0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 29.156496] RDX: 0000000000000000 RSI: ffff9cd33ad9bf70 RDI: ffffffff99ad0fb0 # [ 29.164789] RBP: ffffffff99f0f118 R08: 0000000000000001 R09: 0000000000000001 # [ 29.173082] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 29.181374] R13: ffff9ff34135ff10 R14: fff<6>[ 29.874242] lkdtm: Performing direct entry WARNING_MESSAGE <4>[ 29.885460] ------------[ cut here ]------------ <4>[ 29.890918] Warning message trigger count: 2 <4>[ 29.896004] WARNING: CPU: 2 PID: 716 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 <4>[ 29.906510] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify f9ff34135ff10 R15: ffff9cd2c333d000 # [ 29.189665] FS: 00007<4>[ 29.933276] CPU: 2 PID: 716 Comm: cat Tainted: G D W 5.10.164-cip24 #1 <4>[ 29.948332] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 29.955463] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 <4>[ 29.961430] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 61 65 92 02 48 c7 c7 88 3f eb 99 8d 70 01 89 35 51 65 92 02 e8 e7 46 63 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 <4>[ 29.982709] RSP: 0018:ffff9ff34141fe60 EFLAGS: 00010286 <4>[ 29.988867] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 <4>[ 29.997131] RDX: ffff9cd33ad2c660 RSI: ffff9cd33ad1bf70 RDI: ffff9cd33ad1bf70 <4>[ 30.005393] RBP: ffffffff99eb3a2f R08: 0000000000000000 R09: 0000000000000000 <4>[ 30.013656] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 <4>[ 30.021942] R13: ffff9ff34141ff10 R14: ffff9ff34141ff10 R15: ffff9cd2c5715000 f81db941580(0000) GS:ffff9cd33ad80000(0000) knlGS:00000000000000<4>[ 30.030221] FS: 00007feb93633580(0000) GS:ffff9cd33ad00000(0000) knlGS:0000000000000000 <4>[ 30.045757] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 30.052467] CR2: 00007feb9343c000 CR3: 0000000103008004 CR4: 00000000003706e0 <4>[ 30.060729] Call Trace: <4>[ 30.063750] direct_entry.cold+0x2c/0x38 <4>[ 30.068446] full_proxy_write+0x53/0x80 00 # [ 29.199033] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080<4>[ 30.073048] vfs_write+0xe7/0x3a0 <4>[ 30.083246] ksys_write+0x68/0xf0 <4>[ 30.087239] do_syscall_64+0x30/0x40 <4>[ 30.091544] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 30.097479] RIP: 0033:0x7feb93549833 <4>[ 30.101762] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 30.123039] RSP: 002b:00007fff1e9f4e98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 30.131790] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007feb93549833 <4>[ 30.140068] RDX: 0000000000000010 RSI: 00007feb9343c000 RDI: 0000000000000001 <4>[ 30.148331] RBP: 00007feb9343c000 R08: 00007feb9343b010 R09: 0000000000000000 <4>[ 30.156594] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 30.164856] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 30.173123] irq event stamp: 0 050033 # [ 29.205754] CR2: 00007f81db74a000 CR3: 000000010373<4>[ 30.176849] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 30.190351] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 <4>[ 30.199778] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 <4>[ 30.209207] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 30.216498] ---[ end trace 803147a0d9c265f7 ]--- 8004 CR4: 00000000003706e0 # BUG: saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh # [ 29.306654] lkdtm: Performing direct entry WARNING # [ 29.313337] ------------[ cut here ]------------ # [ 29.325006] WARNING: CPU: 1 PID: 681 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 # [ 29.340920] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 29.373847] CPU: 1 PID: 681 Comm: cat Tainted: G D W 5.10.164-cip24 #1 # [ 29.388906] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 29.402220] RIP: 0010:lkdtm_WARNING+0x13/0x20 # [ 29.4<6>[ 30.301899] lkdtm: Performing direct entry EXCEPTION <1>[ 30.308636] BUG: kernel NULL pointer dereference, address: 0000000000000000 13591] Code: c0 f4 ff ff ff eb c9 0f 1f 44 00 00 0f 0b 66 0f 1f <1>[ 30.316712] #PF: supervisor write access in kernel mode <1>[ 30.329061] #PF: error_code(0x0002) - not-present page <6>[ 30.335119] PGD 0 P4D 0 <4>[ 30.338225] Oops: 0002 [#2] SMP PTI <4>[ 30.342408] CPU: 2 PID: 748 Comm: cat Tainted: G D W 5.10.164-cip24 #1 <4>[ 30.351251] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 30.358351] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 <4>[ 30.363602] Code: 48 c7 c7 88 3f eb 99 8d 70 01 89 35 51 65 92 02 e8 e7 46 63 00 0f 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 04 25 00 00 00 00 00 00 00 00 c3 cc cc cc cc 66 66 2e 0f 1f 84 <4>[ 30.384865] RSP: 0018:ffff9ff3414d7e60 EFLAGS: 00010286 <4>[ 30.390991] RAX: ffffffff98ce4130 RBX: 0000000000000004 RCX: 0000000000000000 <4>[ 30.399243] RDX: 0000000000000000 RSI: ffff9cd33ad1bf70 RDI: ffffffff99ad0fe0 <4>[ 30.407504] RBP: ffffffff99de88bf R08: 0000000000000000 R09: 0000000000000000 <4>[ 30.415765] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a <4>[ 30.424026] R13: ffff9ff3414d7f10 R14: ffff9ff3414d7f10 R15: ffff9cd2c32b0000 <4>[ 30.432287] FS: 00007f87410f4580(0000) GS:ffff9cd33ad00000(0000) knlGS:0000000000000000 <4>[ 30.441616] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 30.448322] CR2: 0000000000000000 CR3: 0000000103724006 CR4: 00000000003706e0 <4>[ 30.456582] Call Trace: <4>[ 30.459601] direct_entry.cold+0x2c/0x38 <4>[ 30.464273] full_proxy_write+0x53/0x80 <4>[ 30.468847] vfs_write+0xe7/0x3a0 <4>[ 30.472837] ksys_write+0x68/0xf0 <4>[ 30.476828] do_syscall_64+0x30/0x40 <4>[ 30.481107] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 30.487039] RIP: 0033:0x7f874100a833 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 65 92 02 01 75 05 c3 c<4>[ 30.491320] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 30.518806] RSP: 002b:00007ffca04fa878 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 30.527554] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f874100a833 <4>[ 30.535814] RDX: 000000000000000a RSI: 00007f8740efd000 RDI: 0000000000000001 <4>[ 30.544074] RBP: 00007f8740efd000 R08: 00007f8740efc010 R09: 0000000000000000 <4>[ 30.552334] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 30.560595] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 30.568860] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify c cc cc cc <0f> 0b c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 <4>[ 30.595611] CR2: 0000000000000000 <4>[ 30.605813] ---[ end trace 803147a0d9c265f8 ]--- <4>[ 30.611251] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 30.615917] Code: 89 ff e8 9e 6a 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 65 92 02 <4>[ 30.637192] RSP: 0018:ffff9ff34135fe60 EFLAGS: 00010282 <4>[ 30.643316] RAX: ffffffff98ce40d0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 30.651577] RDX: 0000000000000000 RSI: ffff9cd33ad9bf70 RDI: ffffffff99ad0fb0 <4>[ 30.659836] RBP: ffffffff99f0f118 R08: 0000000000000001 R09: 0000000000000001 <4>[ 30.668097] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 30.676359] R13: ffff9ff34135ff10 R14: ffff9ff34135ff10 R15: ffff9cd2c333d000 <4>[ 30.684621] FS: 00007f87410f4580(0000) GS:ffff9cd33ad00000(0000) knlGS:0000000000000000 <4>[ 30.693951] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 30.700658] CR2: 0000000000000000 CR3: 0000000103724006 CR4: 00000000003706e0 <3>[ 30.708920] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 30.719115] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 748, name: cat <4>[ 30.727766] INFO: lockdep is turned off. <4>[ 30.732433] irq event stamp: 0 <4>[ 30.736129] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 30.743421] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 <4>[ 30.752841] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 <4>[ 30.762260] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 30.769550] CPU: 2 PID: 748 Comm: cat Tainted: G D W 5.10.164-cip24 #1 <4>[ 30.778395] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 30.785490] Call Trace: <4>[ 30.788510] dump_stack+0x77/0x9b <4>[ 30.792501] ___might_sleep.cold+0xa6/0xb6 <4>[ 30.797365] exit_signals+0x1c/0x2e0 <4>[ 30.801646] do_exit+0xc2/0xaf0 <4>[ 30.805438] ? ksys_write+0x68/0xf0 <4>[ 30.809623] rewind_stack_do_exit+0x17/0x20 <4>[ 30.814582] RIP: 0033:0x7f874100a833 <4>[ 30.818861] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 30.840135] RSP: 002b:00007ffca04fa878 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 30.848883] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f874100a833 <4>[ 30.857145] RDX: 000000000000000a RSI: 00007f8740efd000 RDI: 0000000000000001 <4>[ 30.865405] RBP: 00007f8740efd000 R08: 00007f8740efc010 R09: 0000000000000000 <4>[ 30.873667] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 30.881928] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 00 8b 05 61 65 # [ 29.441114] RSP: 0018:ffff9ff3413cfe60 EFLAGS: 00010202 # [ 29.453436] RAX: ffffffff98ce40e0 RBX: 0000000000000002 RCX: 0000000000000000 # [ 29.461700] RDX: 0000000000000000 RSI: ffff9cd33ac9bf70 RDI: ffffffff99ad0fc0 # [ 29.476173] RBP: ffffffff99eb3a27 R08: 0000000000000000 R09: 0000000000000000 # [ 29.484438] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 # [ 29.498911] R13: ffff9ff3413cff10 R14: ffff9ff3413cff10 R15: ffff9cd2c32d3000 # [ 29.513391] FS: 00007f7077df0580(0000) GS:ffff9cd33ac80000(0000) knlGS:0000000000000000 # [ 29.528935] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 29.535647] CR2: 00007f7077bf9000 CR3: 00000001029f2005 CR4: 00000000003706e0 # [ 29.550118] Call Trace: # [ 29.553145] direct_entry.cold+0x2c/0x38 # [ 29.564030] full_proxy_write+0x53/0x80 # [ 29.574818] vfs_write+0xe7/0x3a0 # [ 29.585029] ksys_write+0x68/0xf0 # [ 29.595234] do_syscall_64+0x30/0x40 # [ 29.605732] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 29.611667] RIP: 0033:0x7f7077d06833 # [ 29.622157] Code: 8b 15 61 26 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 # [ 29.643435] RSP: 002b:00007ffd1e0f3c88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 29.658395] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f7077d06833 # [ 29.672871] RDX: 0000000000000008 RSI: 00007f7077bf9000 RDI: 0000000000000001 # [ 29.681134] RBP: 00007f7077bf9000 R08: 00007f7077bf8010 R09: 0000000000000000 # [ 29.695608] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 29.710088] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 29.724589] irq event stamp: 0 # [ 29.734481] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 29.741776] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 29.757438] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 29.773079] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 29.786585] ---[ end trace 803147a0d9c265f6 ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ 29.874242] lkdtm: Performing direct entry WARNING_MESSAGE # [ 29.885460] ------------[ cut here ]------------ # [ 29.890918] Warning message trigger count: 2 # [ 29.896004] WARNING: CPU: 2 PID: 716 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 29.906510] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal <6>[ 31.164092] lkdtm: Performing direct entry CORRUPT_LIST_ADD <6>[ 31.176445] lkdtm: attempting good list addition <6>[ 31.181902] lkdtm: attempting corrupted list addition cros_ec_dev cros_usbpd_notify # [ 29.933276] CPU: 2 PID: 716 <3>[ 31.187847] lkdtm: list_add() corruption not detected! Comm: cat Tainted: G D W 5.10.164-cip24 #1 # [ 29.948332] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 29.955463] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 29.961430] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 61 65 92 02 48 c7 c7 88 3f eb 99 8d 70 01 89 35 51 65 92 02 e8 e7 46 63 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 # [ 29.982709] RSP: 0018:ffff9ff34141fe60 EFLAGS: 00010286 # [ 29.988867] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 # [ 29.997131] RDX: ffff9cd33ad2c660 RSI: ffff9cd33ad1bf70 RDI: ffff9cd33ad1bf70 # [ 30.005393] RBP: ffffffff99eb3a2f R08: 0000000000000000 R09: 0000000000000000 # [ 30.013656] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 # [ 30.021942] R13: ffff9ff34141ff10 R14: ffff9ff34141ff10 R15: ffff9cd2c5715000 # [ 30.030221] FS: 00007feb93633580(0000) GS:ffff9cd33ad00000(0000) knlGS:0000000000000000 # [ 30.045757] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 30.052467] CR2: 00007feb9343c000 CR3: 0000000103008004 CR4: 00000000003706e0 # [ 30.060729] Call Trace: # [ 30.063750] direct_entry.cold+0x2c/0x38 # [<6>[ 31.313530] lkdtm: Performing direct entry CORRUPT_LIST_DEL 30.068446] full_proxy_write+0x53/0x80 # [ 30.073048] vfs<6>[ 31.324761] lkdtm: attempting good list removal _write+0xe7/0x3a0 # [ 30.083246] ksys_write+0x68/0xf0 # [ <6>[ 31.336328] lkdtm: attempting corrupted list removal 30.087239] do_syscall_64+0x30/0x40 # [ 30.091544] entry_SY<3>[ 31.348365] lkdtm: list_del() corruption not detected! SCALL_64_after_hwframe+0x61/0xc6 # [ 30.097479] RIP: 0033:0x7feb93549833 # [ 30.101762] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 30.123039] RSP: 002b:00007fff1e9f4e98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 30.131790] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007feb93549833 # [ 30.140068] RDX: 0000000000000010 RSI: 00007feb9343c000 RDI: 0000000000000001 # [ 30.148331] RBP: 00007feb9343c000 R08: 00007feb9343b010 R09: 0000000000000000 # [ 30.156594] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 30.164856] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 30.173123] irq event stamp: 0 # [ 30.176849] hardirqs last enabled at (0): [<00000<6>[ 31.441579] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING <6>[ 31.454926] lkdtm: attempting bad read from page below current stack <0>[ 31.462354] BUG: stack guard page was hit at 0000000078996083 (stack is 0000000088c95b10..00000000487b2c36) <4>[ 31.473540] kernel stack overflow (page fault): 0000 [#3] SMP PTI 00000000000>] 0x0 # [ 30.190351] hardirqs last disabled at (0<4>[ 31.480640] CPU: 2 PID: 973 Comm: cat Tainted: G D W 5.10.164-cip24 #1 <4>[ 31.495695] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 31.502793] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a <4>[ 31.509598] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 28 43 eb 99 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 28 9d fd ff 48 c7 c7 68 43 eb 99 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 0e 9d fd ff 0f 1f 44 <4>[ 31.530872] RSP: 0018:ffff9ff341837e50 EFLAGS: 00010246 <4>[ 31.536989] RAX: 0000000000000038 RBX: ffff9ff341834000 RCX: 0000000000000000 <4>[ 31.545251] RDX: 0000000000000000 RSI: ffff9cd33ad1bf70 RDI: ffffffff99eb4368 <4>[ 31.553514] RBP: ffffffff99eb3a92 R08: 0000000000000000 R09: 0000000000000000 <4>[ 31.561774] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 <4>[ 31.570035] R13: ffff9ff341837f10 R14: ffff9ff341837f10 R15: ffff9cd2c32af000 <4>[ 31.578297] FS: 00007fba46899580(0000) GS:ffff9cd33ad00000(0000) knlGS:0000000000000000 <4>[ 31.587625] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 31.594333] CR2: ffff9ff341833fff CR3: 00000001032f0005 CR4: 00000000003706e0 <4>[ 31.602594] Call Trace: <4>[ 31.605614] ? lkdtm_CORRUPT_LIST_DEL+0xe0/0xe0 <4>[ 31.610963] direct_entry.cold+0x2c/0x38 <4>[ 31.615624] full_proxy_write+0x53/0x80 <4>[ 31.620196] vfs_write+0xe7/0x3a0 <4>[ 31.624184] ksys_write+0x68/0xf0 <4>[ 31.628173] do_syscall_64+0x30/0x40 <4>[ 31.632454] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 31.638385] RIP: 0033:0x7fba467af833 <4>[ 31.642665] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 31.663938] RSP: 002b:00007ffee822bb88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 31.672684] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fba467af833 <4>[ 31.680944] RDX: 0000000000000019 RSI: 00007fba466a2000 RDI: 0000000000000001 <4>[ 31.689204] RBP: 00007fba466a2000 R08: 00007fba466a1010 R09: 0000000000000000 <4>[ 31.697464] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 31.705725] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 31.713991] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify ): [] copy_process+0x664/0x1cb0 # [ 30.1997<4>[ 31.740744] ---[ end trace 803147a0d9c265f9 ]--- <4>[ 31.752402] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 31.757080] Code: 89 ff e8 9e 6a 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 65 92 02 <4>[ 31.778350] RSP: 0018:ffff9ff34135fe60 EFLAGS: 00010282 <4>[ 31.784474] RAX: ffffffff98ce40d0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 31.792734] RDX: 0000000000000000 RSI: ffff9cd33ad9bf70 RDI: ffffffff99ad0fb0 <4>[ 31.801012] RBP: ffffffff99f0f118 R08: 0000000000000001 R09: 0000000000000001 78] softirqs last enabled at (0): [] copy_pro<4>[ 31.809281] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 31.823756] R13: ffff9ff34135ff10 R14: ffff9ff34135ff10 R15: ffff9cd2c333d000 <4>[ 31.832023] FS: 00007fba46899580(0000) GS:ffff9cd33ad00000(0000) knlGS:0000000000000000 <4>[ 31.841353] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 31.848081] CR2: ffff9ff341833fff CR3: 00000001032f0005 CR4: 00000000003706e0 <3>[ 31.856343] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 31.866546] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 973, name: cat <4>[ 31.875197] INFO: lockdep is turned off. <4>[ 31.879865] irq event stamp: 0 <4>[ 31.883563] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 31.890855] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 <4>[ 31.900281] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 <4>[ 31.909708] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 31.917023] CPU: 2 PID: 973 Comm: cat Tainted: G D W 5.10.164-cip24 #1 <4>[ 31.925868] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 31.932964] Call Trace: <4>[ 31.935984] dump_stack+0x77/0x9b <4>[ 31.939975] ___might_sleep.cold+0xa6/0xb6 <4>[ 31.944838] exit_signals+0x1c/0x2e0 <4>[ 31.949110] do_exit+0xc2/0xaf0 <4>[ 31.952905] ? ksys_write+0x68/0xf0 <4>[ 31.957084] rewind_stack_do_exit+0x17/0x20 <4>[ 31.962044] RIP: 0033:0x7fba467af833 <4>[ 31.966324] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 31.987601] RSP: 002b:00007ffee822bb88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 31.996339] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fba467af833 <4>[ 32.004601] RDX: 0000000000000019 RSI: 00007fba466a2000 RDI: 0000000000000001 <4>[ 32.012861] RBP: 00007fba466a2000 R08: 00007fba466a1010 R09: 0000000000000000 <4>[ 32.021121] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 32.029381] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 cess+0x664/0x1cb0 # [ 30.209207] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 30.216498] ---[ end trace 803147a0d9c265f7 ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCEPTION.sh # Killed # [ 30.301899] lkdtm: Performing direct entry EXCEPTION # [ 30.308636] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 30.316712] #PF: supervisor write access in kernel mode # [ 30.329061] #PF: error_code(0x0002) - not-present page # [ 30.335119] PGD 0 P4D 0 # [ 30.338225] Oops: 0002 [#2] SMP PTI # [ 30.342408] CPU: 2 PID: 748 Comm: cat Tainted: G D W 5.10.164-cip24 #1 # [ 30.351251] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 30.358351] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 # [ 30.363602] Code: 48 c7 c7 88 3f eb 99 8d 70 01 89 35 51 65 92 02 e8 e7 46 63 00 0f 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00<6>[ 32.130034] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING <6>[ 32.138300] lkdtm: attempting bad read from page above current stack <0>[ 32.145701] BUG: stack guard page was hit at 00000000febf3085 (stack is 0000000067ddbadd..00000000201963d4) <4>[ 32.156887] kernel stack overflow (page fault): 0000 [#4] SMP PTI 00 00 0f 1f 44 00 00 04 25 00 00 00 00 00 00 00 00 c3 cc c<4>[ 32.163982] CPU: 2 PID: 1006 Comm: cat Tainted: G D W 5.10.164-cip24 #1 <4>[ 32.179136] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 c [ 32.186236] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d <4>[ 32.199355] Code: 9d fd ff 0f 1f 44 00 00 53 48 c7 c7 a0 43 eb 99 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 ee 9c fd ff 48 c7 c7 e0 43 eb 99 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 d1 9c fd ff <4>[ 32.220629] RSP: 0018:ffff9ff3418e7e50 EFLAGS: 00010246 <4>[ 32.226746] RAX: 0000000000000038 RBX: ffff9ff3418e4000 RCX: 0000000000000000 <4>[ 32.235020] RDX: 0000000000000000 RSI: ffff9cd33ad1bf70 RDI: ffffffff99eb43e0 <4>[ 32.243281] RBP: ffffffff99eb3aab R08: 0000000000000000 R09: 0000000000000000 <4>[ 32.251540] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a <4>[ 32.259801] R13: ffff9ff3418e7f10 R14: ffff9ff3418e7f10 R15: ffff9cd2c3e84000 <4>[ 32.268081] FS: 00007f1b6399f580(0000) GS:ffff9cd33ad00000(0000) knlGS:0000000000000000 <4>[ 32.277410] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 32.284118] CR2: ffff9ff3418e8000 CR3: 0000000103712003 CR4: 00000000003706e0 <4>[ 32.292377] Call Trace: <4>[ 32.295395] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a <4>[ 32.301523] direct_entry.cold+0x2c/0x38 <4>[ 32.306194] full_proxy_write+0x53/0x80 <4>[ 32.310764] vfs_write+0xe7/0x3a0 <4>[ 32.314745] ksys_write+0x68/0xf0 <4>[ 32.318734] do_syscall_64+0x30/0x40 <4>[ 32.323022] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 32.328953] RIP: 0033:0x7f1b638b5833 <4>[ 32.333232] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 32.354508] RSP: 002b:00007ffcdfcda3d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 32.363255] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f1b638b5833 <4>[ 32.371515] RDX: 000000000000001a RSI: 00007f1b637a8000 RDI: 0000000000000001 <4>[ 32.379777] RBP: 00007f1b637a8000 R08: 00007f1b637a7010 R09: 0000000000000000 <4>[ 32.388039] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 32.396302] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 32.404559] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 4d7e60 EFLAGS: 00010286 # [ 30.390991] RAX: ffffffff98ce4130 <4>[ 32.431310] ---[ end trace 803147a0d9c265fa ]--- <4>[ 32.442967] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 32.447635] Code: 89 ff e8 9e 6a 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 65 92 02 <4>[ 32.468909] RSP: 0018:ffff9ff34135fe60 EFLAGS: 00010282 <4>[ 32.475034] RAX: ffffffff98ce40d0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 32.483294] RDX: 0000000000000000 RSI: ffff9cd33ad9bf70 RDI: ffffffff99ad0fb0 <4>[ 32.491555] RBP: ffffffff99f0f118 R08: 0000000000000001 R09: 0000000000000001 <4>[ 32.499814] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 32.508077] R13: ffff9ff34135ff10 R14: ffff9ff34135ff10 R15: ffff9cd2c333d000 <4>[ 32.516339] FS: 00007f1b6399f580(0000) GS:ffff9cd33ad00000(0000) knlGS:0000000000000000 <4>[ 32.525668] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 32.532375] CR2: ffff9ff3418e8000 CR3: 0000000103712003 CR4: 00000000003706e0 RBX: 0000000000000004 RCX: 0000000000000000 # [ 30.399243] RDX: 0000000000000000 RSI: ffff9cd33ad1bf70 RDI: ffffffff99ad0fe0 # [ 30.407504] RBP: ffffffff99de88bf R08: 0000000000000000 R09: 0000000000000000 # [ 30.415765] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 30.424026] R13: ffff9ff3414d7f10 R14: ffff9ff3414d7f10 R15: ffff9cd2c32b0000 # [ 30.432287] FS: 00007f87410f4580(0000) GS:ffff9cd33ad00000(0000) knlGS:0000000000000000 # [ 30.441616] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 30.448322] CR2: 0000000000000000 CR3: 0000000103724006 CR4: 00000000003706e0 # [ 30.456582] Call Trace: # [ 30.459601] direct_entry.cold+0x2c/0x38 # [ 30.464273] full_proxy_write+0x53/0x80 # [ 30.468847] vfs_write+0xe7/0x3a0 # [ 30.472837] ksys_write+0x68/0xf0 # [ 30.476828] do_syscall_64+0x30/0x40 # [ 30.481107] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 30.487039] RIP: 0033<6>[ 32.629391] lkdtm: Performing direct entry UNSET_SMEP :0x7f874100a833 # [ 30.491320] Code: 8b 15 61 26 0e 00 f7 d8 <6>[ 32.639905] lkdtm: trying to clear SMEP normally 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 0<4>[ 32.651579] ------------[ cut here ]------------ 0 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 <4>[ 32.663223] pinned CR4 bits changed: 0x100000!? c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 30.518806] RSP:<4>[ 32.674830] WARNING: CPU: 0 PID: 1042 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60 002b:00007ffca04fa878 EFLAGS: 00000246 ORIG_RAX: 00000000000000<4>[ 32.691534] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 01 # [ 30.527554] RAX: ffffffffffffffda RBX: 000000000000000a<4>[ 32.724492] CPU: 0 PID: 1042 Comm: cat Tainted: G D W 5.10.164-cip24 #1 RCX: 00007f874100a833 # [ 30.535814] RDX: 000000000000000a R<4>[ 32.739676] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 SI: 00007f8740efd000 RDI: 0000000000000001 # [ 30.544074] RBP<4>[ 32.753017] RIP: 0010:native_write_cr4+0x45/0x60 : 00007f8740efd000 R08: 00007f8740efc010 R09: 0000000000000000 <4>[ 32.764684] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d 84 92 e3 01 00 75 f2 48 c7 c7 d8 28 df 99 c6 05 74 92 e3 01 01 e8 72 3b e5 00 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 # [ 30.552334] R10: fffffffffffffbc5 R11: 0000000000000246 R12<4>[ 32.792203] RSP: 0018:ffff9ff341977e48 EFLAGS: 00010286 : 0000000000000001 # [ 30.560595] R13: 0000000000000001 R14: <4>[ 32.804566] RAX: 0000000000000000 RBX: 00000000002706f0 RCX: 0000000000000000 0000000000020000 R15: 0000000000020000 # [ 30.568860] Modules<4>[ 32.819042] RDX: ffff9cd33ac2c660 RSI: ffff9cd33ac1bf70 RDI: ffff9cd33ac1bf70 linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core <4>[ 32.833582] RBP: ffffffff99eb3ac5 R08: 0000000000000000 R09: 0000000000000000 industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lig<4>[ 32.848074] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b htbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sens<4>[ 32.862585] R13: ffff9ff341977f10 R14: ffff9ff341977f10 R15: ffff9cd2c3c3e000 orhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ <4>[ 32.877130] FS: 00007f054d8d0580(0000) GS:ffff9cd33ac00000(0000) knlGS:0000000000000000 30.595611] CR2: 0000000000000000 # [ 30.605813] ---[ end trac<4>[ 32.892668] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 e 803147a0d9c265f8 ]--- # [ 30.611251] RIP: 0010:lkdtm_BUG+0x<4>[ 32.905551] CR2: 00007f054d6d9000 CR3: 0000000103dea001 CR4: 00000000003706f0 5/0x10 # [ 30.615917] Code: 89 ff e8 9e 6a a3 ff 48 c7 c0 ea <4>[ 32.920057] Call Trace: ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 f<4>[ 32.929285] lkdtm_UNSET_SMEP.cold+0x1d/0x103 f ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 <4>[ 32.940660] direct_entry.cold+0x2c/0x38 0f 1f 44 00 00 83 05 80 65 92 02 # [ 30.637192] RSP: 0018:fff<4>[ 32.951572] full_proxy_write+0x53/0x80 f9ff34135fe60 EFLAGS: 00010282 # [ 30.643316] RAX: ffffffff98<4>[ 32.962374] vfs_write+0xe7/0x3a0 ce40d0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 30.651<4>[ 32.972559] ksys_write+0x68/0xf0 577] RDX: 0000000000000000 RSI: ffff9cd33ad9bf70 RDI: ffffffff99<4>[ 32.982781] do_syscall_64+0x30/0x40 ad0fb0 # [ 30.659836] RBP: ffffffff99f0f118 R08: 000000000000<4>[ 32.993292] entry_SYSCALL_64_after_hwframe+0x61/0xc6 0001 R09: 0000000000000001 # [ 30.668097] R10: 00000000ffffe0<4>[ 33.005448] RIP: 0033:0x7f054d7e6833 00 R11: 3fffffffffffffff R12: 0000000000000004 # [ 30.676359]<4>[ 33.015933] Code: 8b 15 61 26 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 R13: ffff9ff34135ff10 R14: ffff9ff34135ff10 R15: ffff9cd2c333d0<4>[ 33.043512] RSP: 002b:00007ffc916685d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 00 # [ 30.684621] FS: 00007f87410f4580(0000) GS:ffff9cd33ad0<4>[ 33.058436] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f054d7e6833 0000(0000) knlGS:0000000000000000 # [ 30.693951] CS: 0010 DS<4>[ 33.072872] RDX: 000000000000000b RSI: 00007f054d6d9000 RDI: 0000000000000001 : 0000 ES: 0000 CR0: 0000000080050033 # [ 30.700658] CR2: 000<4>[ 33.087376] RBP: 00007f054d6d9000 R08: 00007f054d6d8010 R09: 0000000000000000 0000000000000 CR3: 0000000103724006 CR4: 00000000003706e0 # [ <4>[ 33.101856] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 30.708920] BUG: sleeping function called from invalid context a<4>[ 33.116318] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 t include/linux/percpu-rwsem.h:49 # [ 30.719115] in_atomic():<4>[ 33.130828] irq event stamp: 0 0, irqs_disabled(): 1, non_block: 0, pid: 748, name: cat # [ <4>[ 33.140722] hardirqs last enabled at (0): [<0000000000000000>] 0x0 30.727766] INFO: lockdep is turned off. # [ 30.732433] irq e<4>[ 33.154236] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 vent stamp: 0 # [ 30.736129] hardirqs last enabled at (0): [<4>[ 33.169874] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 <0000000000000000>] 0x0 # [ 30.743421] hardirqs last disabled<4>[ 33.185540] softirqs last disabled at (0): [<0000000000000000>] 0x0 at (0): [] copy_process+0x664/0x1cb0 # [ 3<4>[ 33.199072] ---[ end trace 803147a0d9c265fb ]--- 0.752841] softirqs last enabled at (0): [] co<6>[ 33.210778] lkdtm: ok: SMEP did not get cleared py_process+0x664/0x1cb0 # [ 30.762260] softirqs last disabled<6>[ 33.222306] lkdtm: trying to clear SMEP with call gadget at (0): [<0000000000000000>] 0x0 # [ 30.769550] CPU: 2 PID: <6>[ 33.234758] lkdtm: ok: SMEP removal was reverted 748 Comm: cat Tainted: G D W 5.10.164-cip24 #1 # [ 30.778395] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 30.785490] Call Trace: # [ 30.788510] dump_stack+0x77/0x9b # [ 30.792501] ___might_sleep.cold+0xa6/0xb6 # [ 30.797365] exit_signals+0x1c/0x2e0 # [ 30.801646] do_exit+0xc2/0xaf0 # [ 30.805438] ? ksys_write+0x68/0xf0 # [ 30.809623] rewind_stack_do_exit+0x17/0x20 # [ 30.814582] RIP: 0033:0x7f874100a833 # [ 30.818861] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 30.840135] RSP: 002b:00007ffca04fa878 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 30.848883] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f874100a833 # [ 30.857145] RDX: 000000000000000a RSI: 00007f8740efd000 RDI: 0000000000000001 # [ 30.865405] RBP: 00007f8740efd000 R08: 00007f8740efc010 R09: 000000000000000<6>[ 33.344881] lkdtm: Performing direct entry DOUBLE_FAULT <3>[ 33.351962] lkdtm: XFAIL: this test is ia32-only 0 # [ 30.873667] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 30.881928] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXCEPTION: saw 'call trace:': ok ok 5 selftests: lkdtm: EXCEPTION.sh # selftests: lkdtm: LOOP.sh # Skipping LOOP: Hangs the system ok 6 selftests: lkdtm: LOOP.sh # SKIP # selftests: lkdtm: EXHAUST_STACK.sh # Skipping EXHAUST_STACK: Corrupts memory on failure ok 7 selftests: lkdtm: EXHAUST_STACK.sh # SKIP # selftests: lkdtm: CORRUPT_STACK.sh # Skipping CORRUPT_STACK: Crashes entire system on success ok 8 selftests: lkdtm: CORRUPT_STACK.sh # SKIP # selftests: lkdtm: CORRUPT_STACK_STRONG.sh # Skipping CORRUPT_STACK_STRONG: Crashes entire system on success ok 9 selftests: lkdtm: CORRUPT_STACK_STRONG.sh # SKIP # selftests: lkdtm: CORRUPT_LIST_ADD.sh # [ 31.164092] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 31.176445] lkdtm: attempting good list addition # [ 31.181902] lkdtm: attempting corrupted list addition # <6>[ 33.455891] lkdtm: Performing direct entry CORRUPT_PAC [ 31.187847] lkdtm: list_add() corruption not detected! # COR<3>[ 33.462969] lkdtm: XFAIL: this test is arm64-only RUPT_LIST_ADD: missing 'list_add corruption': [FAIL] not ok 10 selftests: lkdtm: CORRUPT_LIST_ADD.sh # exit=1 # selftests: lkdtm: CORRUPT_LIST_DEL.sh # [ 31.313530] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 31.324761] lkdtm: attempting good list removal # [ 31.336328] lkdtm: attempting corrupted list removal # [ 31.348365] 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 # [ 31.441579] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 31.454926] lkdtm: attempting bad read from page below current stack # [ 31.462354] BUG: stack guard page was hit at 0000000078996083 (stack is 0000000088c95b10..0000000<6>[ 33.550551] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE <3>[ 33.562994] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS 0487b2c36) # [ 31.473540] kernel stack overflow (page fault): 0000 [#3] SMP PTI # [ 31.480640] CPU: 2 PID: 973 Comm: cat Tainted: G D W 5.10.164-cip24 #1 # [ 31.495695] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 31.502793] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a # [ 31.509598] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 28 43 eb 99 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 28 9d fd ff 48 c7 c7 68 43 eb 99 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 0e 9d fd ff 0f 1f 44 # [ 31.530872] RSP: 0018:ffff9ff341837e50 EFLAGS: 00010246 # [ 31.536989] RAX: 0000000000000038 RBX: ffff9ff341834000 RCX: 0000000000000000 # [ 31.545251] RDX: 0000000000000000 RSI: ffff9cd33ad1bf70 RDI: ffffffff99eb4368 # [ 31.553514] RBP: ffffffff99eb3a92 R08: 0000000000000000 R09: 0000000000000000 # [ 31.561774] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 # [ 31.570035] R13: ffff9ff341837f10 R14: ffff9ff341837f10 R15: ffff9cd2c32af000 # [ 31.578297] FS: 00007fba46899580(0000) GS:ffff9cd33ad00000(0000) knlGS:0000000000000000 # [ 31.587625] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 31.594333] CR2: ffff9ff341833fff CR3: 00000001032f0005 CR4: 00000000003706e0 # [ 31.602594] Call Trace: # [ 31.605614] ? lkdtm_CORRUPT_LIST_DEL+0xe0/0xe0 # [ 31.610963] direct_entry.cold+0x2c/0x38 # [ 31.615624] full_proxy_write+0x53/0x80 # [ 31.620196] vfs_write+0xe7/0x3a0 # [ 31.624184] ksys_write+0x68/0xf0 # [ 31.628173] do_syscall_64+0x30/0x40 # [ 31.632454] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 31.638385] RIP: 0033:0x7fba467af833 # [ 31.642665] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 31.663938] RSP: 002b:00007ffee8<6>[ 33.753910] lkdtm: Performing direct entry READ_AFTER_FREE 22bb88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 31.672<6>[ 33.763794] lkdtm: Value in memory before free: 12345678 684] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fba46<6>[ 33.776236] lkdtm: Attempting bad read from freed memory 7af833 # [ 31.680944] RDX: 0000000000000019 RSI: 00007fba466a<6>[ 33.788681] lkdtm: Memory was not poisoned 2000 RDI: 0000000000000001 # [ 31.689204] RBP: 00007fba466a2000 R08: 00007fba466a1010 R09: 0000000000000000 # [ 31.697464] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 31.705725] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 31.713991] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 31.740744] ---[ end trace 803147a0d9c265f9 ]--- # [ 31.752402] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 31.757080] Code: 89 ff e8 9e 6a 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 65 92 02 # [ 31.778350] RSP: 0018:ffff9ff34135fe60 EFLAGS: 00010282 # [ 31.784474] RAX: ffffffff98ce40d0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 31.792734] RDX: 0000000000000000 RSI: ffff9cd33ad9bf70 RDI: ffffffff99ad0fb0 # [ 31.801012] RBP: ffffffff99f0f118 R08: 0000000000000001 R09: 0000000000000001 # [ 31.809281] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 31<6>[ 33.919913] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE .823756] R13: ffff9ff34135ff10 R14: ffff9ff34135ff10 R15: ffff9c<6>[ 33.931056] lkdtm: Value in memory before free: 12345678 d2c333d000 # [ 31.832023] FS: 00007fba46899580(0000) GS:ffff<6>[ 33.943496] lkdtm: Attempting to read from freed memory <6>[ 33.955837] lkdtm: Buddy page was not poisoned 9cd33ad00000(0000) knlGS:0000000000000000 # [ 31.841353] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 31.848081] CR2: ffff9ff341833fff CR3: 00000001032f0005 CR4: 00000000003706e0 # [ 31.856343] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 31.866546] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 973, name: cat # [ 31.875197] INFO: lockdep is turned off. # [ 31.879865] irq event stamp: 0 # [ 31.883563] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 31.890855] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 31.900281] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 31.909708] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 31.917023] CPU: 2 PID: 973 Comm: cat Tainted: G D W 5.10.164-cip24<6>[ 34.043118] lkdtm: Performing direct entry SLAB_FREE_DOUBLE <6>[ 34.054625] lkdtm: Attempting double slab free ... #1 # [ 31.925868] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 31.932964] Call Trace: # [ 31.935984] dump_stack+0x77/0x9b # [ 31.939975] ___might_sleep.cold+0xa6/0xb6 # [ 31.944838] exit_signals+0x1c/0x2e0 # [ 31.949110] do_exit+0xc2/0xaf0 # [ 31.952905] ? ksys_write+0x68/0xf0 # [ 31.957084] rewind_stack_do_exit+0x17/0x20 # [ 31.962044] RIP: 0033:0x7fba467af833 # [ 31.966324] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 31.987601] RSP: 002b:00007ffee822bb88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 31.996339] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fba467af833 # [ 32.004601] RDX: 0000000000000019 RSI: 00007fba466a2000 RDI: 0000000000000001 # [ 32.012861] RBP: 00007fba466a2000 R08: 00007fba466a1010 R09: 0000000000000000 # [ 32.021121] R10: fffffffffffffbc5 R11: 000000000<6>[ 34.155365] lkdtm: Performing direct entry SLAB_FREE_CROSS 0000246 R12: 0000000000000001 # [ 32.029381] R13: 00000000000<6>[ 34.166199] lkdtm: Attempting cross-cache slab free ... 00001 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 # [ 32.130034] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 32.138300] lkdtm: attempting bad read from page above current stack # [ 32.145701] BUG: stack guard page was hit at 00000000febf3085 (stack is 0000000067ddbadd..00000000201963d4) # [ 32.156887] kernel stack overflow (page fault): 0000 [#4] SMP PTI # [ 32.163982] CPU: 2 PID: 1006 Comm: cat Tainted: G D W 5.10.164-cip24 #1 # [ 32.179136] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 32.186236] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d # [ 32.199355] Code: 9d fd ff 0f 1f 44 00 00 53 48 c7 c7 a0 43 eb 99 50 65 48 8b 04 25 40 b0 01 00<6>[ 34.262837] lkdtm: Performing direct entry SLAB_FREE_PAGE 48 8b 58 18 e8 ee 9c fd ff 48 c7 c7 e0 43 eb 99 <8a> 83 00 40 0<6>[ 34.271887] lkdtm: Attempting non-Slab slab free ... 0 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 d1 9c fd ff # [ 32.220629] RSP: 0018:ffff9ff3418e7e50 EFLAGS: 00010246 # [ 32.226746] RAX: 0000000000000038 RBX: ffff9ff3418e4000 RCX: 0000000000000000 # [ 32.235020] RDX: 0000000000000000 RSI: ffff9cd33ad1bf70 RDI: ffffffff99eb43e0 # [ 32.243281] RBP: ffffffff99eb3aab R08: 0000000000000000 R09: 0000000000000000 # [ 32.251540] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a # [ 32.259801] R13: ffff9ff3418e7f10 R14: ffff9ff3418e7f10 R15: ffff9cd2c3e84000 # [ 32.268081] FS: 00007f1b6399f580(0000) GS:ffff9cd33ad00000(0000) knlGS:0000000000000000 # [ 32.277410] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 32.284118] CR2: ffff9ff3418e8000 CR3: 0000000103712003 CR4: 00000000003706e0 # [ 32.292377] Call Trace: # [ 32.295395] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a # [ 32.301523] direct_entry.cold+0x2c/0x38 # [ 32.306194] full_proxy_write+0x53/0x80 # [ 32.310764] vfs_write+0xe7/0x3a0 # [ 32.314745] ksys_write+0x68/0xf0 # [ 32.318734] do_syscall_64+0x30/0x40 # [ 32.323022] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 32.328953] RIP: 0033:0x7f1b638b5833 # [ 32.333232] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 32.354508] RSP: 002b:00007ffcdfcda3d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 32.363255] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f1b638b5833 # [ 32.371515] RDX: 000000000000001a RSI: 00007f1b637a8000 RDI: 0000000000000001 # [ 32.379777] RBP: 00007f1b637a8000 R08: 00007f1b637a7010 R09: 0000000000000000 # [ 32.388039] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 32.396302] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 32.404559] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cro<6>[ 34.483600] lkdtm: Performing direct entry EXEC_DATA <6>[ 34.494842] lkdtm: attempting ok execution at ffffffff98ce44a0 <6>[ 34.501707] lkdtm: attempting bad execution at ffffffff9b60a6a0 s_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev <2>[ 34.508624] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 34.523477] BUG: unable to handle page fault for address: ffffffff9b60a6a0 <1>[ 34.531440] #PF: supervisor instruction fetch in kernel mode <1>[ 34.538050] #PF: error_code(0x0011) - permissions violation <6>[ 34.544564] PGD 16ce29067 P4D 16ce29067 PUD 16ce2a063 PMD 800000016e4000e3 <4>[ 34.552634] Oops: 0011 [#5] SMP PTI <4>[ 34.556817] CPU: 2 PID: 1549 Comm: cat Tainted: G D W 5.10.164-cip24 #1 <4>[ 34.565758] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 34.572855] RIP: 0010:data_area+0x0/0x40 <4>[ 34.577525] Code: ff ff 00 0d 25 c0 d2 9c ff ff 00 0c 25 c0 d2 9c 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 <4>[ 34.598803] RSP: 0018:ffff9ff3421b7e48 EFLAGS: 00010246 <4>[ 34.604921] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 34.613181] RDX: 0000000000000000 RSI: ffff9cd33ad1bf70 RDI: ffff9cd33ad1bf70 <4>[ 34.621444] RBP: ffffffff9b60a6a0 R08: 0000000000000000 R09: 0000000000000000 <4>[ 34.629705] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a <4>[ 34.637965] R13: ffff9ff3421b7f10 R14: ffff9ff3421b7f10 R15: ffff9cd2c3eda000 <4>[ 34.646224] FS: 00007fd1c5a89580(0000) GS:ffff9cd33ad00000(0000) knlGS:0000000000000000 <4>[ 34.655552] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 34.662258] CR2: ffffffff9b60a6a0 CR3: 00000001032ce003 CR4: 00000000003706e0 <4>[ 34.670520] Call Trace: <4>[ 34.673541] ? execute_location+0x45/0x56 <4>[ 34.678307] ? direct_entry.cold+0x2c/0x38 <4>[ 34.683161] ? full_proxy_write+0x53/0x80 <4>[ 34.687918] ? vfs_write+0xe7/0x3a0 <4>[ 34.692102] ? ksys_write+0x68/0xf0 <4>[ 34.696285] ? do_syscall_64+0x30/0x40 <4>[ 34.700752] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 34.706878] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify cros_usbpd_notify # [ 32.431310] ---[ end trace 803147a0d9c26<4>[ 34.733629] CR2: ffffffff9b60a6a0 <4>[ 34.743832] ---[ end trace 803147a0d9c265fc ]--- <4>[ 34.749270] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 34.753938] Code: 89 ff e8 9e 6a 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 65 92 02 <4>[ 34.775215] RSP: 0018:ffff9ff34135fe60 EFLAGS: 00010282 <4>[ 34.781329] RAX: ffffffff98ce40d0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 34.789591] RDX: 0000000000000000 RSI: ffff9cd33ad9bf70 RDI: ffffffff99ad0fb0 <4>[ 34.797852] RBP: ffffffff99f0f118 R08: 0000000000000001 R09: 0000000000000001 <4>[ 34.806113] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 34.814373] R13: ffff9ff34135ff10 R14: ffff9ff34135ff10 R15: ffff9cd2c333d000 <4>[ 34.822635] FS: 00007fd1c5a89580(0000) GS:ffff9cd33ad00000(0000) knlGS:0000000000000000 <4>[ 34.831963] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 34.838669] CR2: ffffffff9b60a6a0 CR3: 00000001032ce003 CR4: 00000000003706e0 <3>[ 34.846933] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 34.857128] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1549, name: cat <4>[ 34.865877] INFO: lockdep is turned off. <4>[ 34.870544] irq event stamp: 0 <4>[ 34.874241] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 34.881532] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 <4>[ 34.890958] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 <4>[ 34.900384] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 34.907674] CPU: 2 PID: 1549 Comm: cat Tainted: G D W 5.10.164-cip24 #1 <4>[ 34.916615] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 34.923710] Call Trace: <4>[ 34.926729] dump_stack+0x77/0x9b <4>[ 34.930719] ___might_sleep.cold+0xa6/0xb6 <4>[ 34.935585] exit_signals+0x1c/0x2e0 <4>[ 34.939864] do_exit+0xc2/0xaf0 <4>[ 34.943658] ? ksys_write+0x68/0xf0 <4>[ 34.947833] rewind_stack_do_exit+0x17/0x20 <4>[ 34.952784] RIP: 0033:0x7fd1c599f833 <4>[ 34.957080] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 34.978357] RSP: 002b:00007ffec8bf9328 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 34.987105] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fd1c599f833 <4>[ 34.995366] RDX: 000000000000000a RSI: 00007fd1c5892000 RDI: 0000000000000001 <4>[ 35.003626] RBP: 00007fd1c5892000 R08: 00007fd1c5891010 R09: 0000000000000000 <4>[ 35.011887] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 35.020148] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 5fa ]--- # [ 32.442967] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 32.447635] Code: 89 ff e8 9e 6a 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 65 92 02 # [ 32.468909] RSP: 0018:ffff9ff34135fe60 EFLAGS: 00010282 # [ 32.475034] RAX: ffffffff98ce40d0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 32.483294] RDX: 0000000000000000 RSI: ffff9cd33ad9bf70 RDI: ffffffff99ad0fb0 # [ 32.491555] RBP: ffffffff99f0f118 R08: 0000000000000001 R09: 0000000000000001 # [ 32.499814] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 32.508077] R13: ffff9ff34135ff10 R14: ffff9ff34135ff10 R15: ffff9cd2c333d000 # [ 32.516339] FS: 00007f1b6399f580(0000) GS:ffff9cd33ad00000(0000) knlGS:0000000000000000 # [ 32.525668] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 32.532375] CR2: ffff9ff3418e8000 CR3: 0000000103712003 CR4: 00000000003706e0 # STACK_GUARD_PAGE_TRAILING: saw 'call trace:': ok ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # selftests: lkdtm: UNSET_SMEP.sh # [ 32.629391] lkdtm: Performing direct entry UNSET_SMEP # [ 32.639905] lkdtm: trying to clear SMEP normally # [ 32.651579] ---<6>[ 35.148742] lkdtm: Performing direct entry EXEC_STACK ---------[ cut here ]------------ # [ 32.663223] pinned CR4 b<6>[ 35.158698] lkdtm: attempting ok execution at ffffffff98ce44a0 its changed: 0x100000!? # [ 32.674830] WARNING: CPU: 0 PID: 1<6>[ 35.171733] lkdtm: attempting bad execution at ffff9ff342257e18 042 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x<2>[ 35.184833] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 35.199693] BUG: unable to handle page fault for address: ffff9ff342257e18 <1>[ 35.207655] #PF: supervisor instruction fetch in kernel mode <1>[ 35.214257] #PF: error_code(0x0011) - permissions violation 60 # [ 32.691534] Modules linked in: fuse ip_tables cros_ec_s<6>[ 35.220769] PGD 100000067 P4D 100000067 PUD 10020b067 PMD 105cc1067 PTE 8000000103cc9063 <4>[ 35.236320] Oops: 0011 [#6] SMP PTI <4>[ 35.240504] CPU: 1 PID: 1585 Comm: cat Tainted: G D W 5.10.164-cip24 #1 <4>[ 35.249437] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 35.256533] RIP: 0010:0xffff9ff342257e18 <4>[ 35.261202] Code: 00 00 18 7e 25 42 f3 9f ff ff 13 49 34 99 ff ff ff ff 20 00 00 00 00 00 00 00 ee 3b eb 99 ff ff ff ff 42 4a 34 99 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 <4>[ 35.282469] RSP: 0018:ffff9ff342257df8 EFLAGS: 00010246 <4>[ 35.288594] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 35.296854] RDX: 0000000000000000 RSI: ffff9cd33ac9bf70 RDI: ffff9cd33ac9bf70 <4>[ 35.305115] RBP: ffff9ff342257e18 R08: 0000000000000000 R09: 0000000000000000 <4>[ 35.313376] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b <4>[ 35.321638] R13: ffff9ff342257f10 R14: ffff9ff342257f10 R15: ffff9cd2c3043000 <4>[ 35.329900] FS: 00007f87d6200580(0000) GS:ffff9cd33ac80000(0000) knlGS:0000000000000000 <4>[ 35.339229] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 35.345929] CR2: ffff9ff342257e18 CR3: 0000000103bae001 CR4: 00000000003706e0 <4>[ 35.354190] Call Trace: en[ 35.357211] ? execute_location+0x45/0x56 <4>[ 35.368195] ? lkdtm_EXEC_STACK+0x26/0x44 <4>[ 35.372953] ? direct_entry.cold+0x2c/0x38 <4>[ 35.377819] ? full_proxy_write+0x53/0x80 <4>[ 35.382587] ? vfs_write+0xe7/0x3a0 <4>[ 35.386771] ? ksys_write+0x68/0xf0 <4>[ 35.390956] ? do_syscall_64+0x30/0x40 <4>[ 35.395431] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs <4>[ 35.401557] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify <4>[ 35.434483] CR2: ffff9ff342257e18 <4>[ 35.438463] ---[ end trace 803147a0d9c265fd ]--- <4>[ 35.443911] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 35.448579] Code: 89 ff e8 9e 6a 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 65 92 02 <4>[ 35.469849] RSP: 0018:ffff9ff34135fe60 EFLAGS: 00010282 <4>[ 35.475974] RAX: ffffffff98ce40d0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 35.484235] RDX: 0000000000000000 RSI: ffff9cd33ad9bf70 RDI: ffffffff99ad0fb0 <4>[ 35.492496] RBP: ffffffff99f0f118 R08: 0000000000000001 R09: 0000000000000001 <4>[ 35.500756] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 35.509025] R13: ffff9ff34135ff10 R14: ffff9ff34135ff10 R15: ffff9cd2c333d000 <4>[ 35.517285] FS: 00007f87d6200580(0000) GS:ffff9cd33ac80000(0000) knlGS:0000000000000000 <4>[ 35.526617] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 35.533322] CR2: ffff9ff342257e18 CR3: 0000000103bae001 CR4: 00000000003706e0 cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 32.724492] CPU: 0 PID: 1042 Comm: cat Tainted: G D W 5.10.164-cip24 #1 # [ 32.739676] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 32.753017] RIP: 0010:native_write_cr4+0x45/0x60 # [ 32.764684] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d 84 92 e3 01 00 75 f2 48 c7 c7 d8 28 df 99 c6 05 74 92 e3 01 01 e8 72 3b e5 00 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 # [ 32.792203] RSP: 0018:ffff9ff341977e48 EFLAGS: 00010286 # [ 32.804566] RAX: 0000000000000000 RBX: 00000000002706f0 RCX: 0000000000000000 # [ 32.819042] RDX: ffff9cd33ac2c660 RSI: ffff9cd33ac1bf70 RDI: ffff9cd33ac1bf70 # [ 32.833582] RBP: ffffffff99eb3ac5 R08: 0000000000000000 R09: 0000000000000000 # [ 32.848074] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 32.862585] R13: ffff9ff341977f10 R14: ffff9ff341977f10 R15: ffff9cd2c3c3e000 # [ 32.877130] FS: 00007f054d8d0580(0000) GS:ffff9cd33ac00000(0000) knlGS:0000000000000000 # [ 32.892668] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 32.905551] CR2: 00007f054d6d9000 CR3: 0000000103dea001 CR4: 00000000003706f0 # [ 32.920057] Call Trace: <6>[ 35.662164] lkdtm: Performing direct entry EXEC_KMALLOC # [ 32.929285] lkdtm_UNSET_SMEP.cold+0x1d/0x103 # [ 32.94<6>[ 35.672017] lkdtm: attempting ok execution at ffffffff98ce44a0 0660] direct_entry.cold+0x2c/0x38 # [ 32.951572] full_proxy<6>[ 35.685042] lkdtm: attempting bad execution at ffff9cd2c3c1d8c0 _write+0x53/0x80 # [ 32.962374] vfs_write+0xe7/0x3a0 # [ <2>[ 35.698164] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 35.713027] BUG: unable to handle page fault for address: ffff9cd2c3c1d8c0 <1>[ 35.720985] #PF: supervisor instruction fetch in kernel mode <1>[ 35.727598] #PF: error_code(0x0011) - permissions violation <6>[ 35.734113] PGD 16e601067 P4D 16e601067 PUD 10084c063 PMD 104b19063 PTE 8000000103c1d063 32.972559] ksys_write+0x68/0xf0 # [ 32.982781] do_syscall_6<4>[ 35.743447] Oops: 0011 [#7] SMP PTI <4>[ 35.753840] CPU: 1 PID: 1621 Comm: cat Tainted: G D W 5.10.164-cip24 #1 <4>[ 35.762770] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 35.769867] RIP: 0010:0xffff9cd2c3c1d8c0 <4>[ 35.774537] Code: 00 00 02 00 00 00 00 00 00 00 20 35 63 c5 d2 9c ff ff 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 bb 24 50 98 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 <4>[ 35.795814] RSP: 0018:ffff9ff3422d7e38 EFLAGS: 00010246 <4>[ 35.801941] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 35.810203] RDX: 0000000000000000 RSI: ffff9cd33ac9bf70 RDI: ffff9cd33ac9bf70 <4>[ 35.818464] RBP: ffff9cd2c3c1d8c0 R08: 0000000000000000 R09: 0000000000000000 <4>[ 35.826724] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d <4>[ 35.834986] R13: ffff9ff3422d7f10 R14: ffff9ff3422d7f10 R15: ffff9cd2c5dfd000 <4>[ 35.843250] FS: 00007fdf2ba4a580(0000) GS:ffff9cd33ac80000(0000) knlGS:0000000000000000 <4>[ 35.852581] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 35.859290] CR2: ffff9cd2c3c1d8c0 CR3: 0000000104e4c001 CR4: 00000000003706e0 <4>[ 35.867551] Call Trace: 4+<0x30/0x40 # [ 32.993292] entry_SYSCALL_64_after_hwframe+0x4>[ 35.870572] ? execute_location+0x45/0x56 <4>[ 35.881559] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 61/0xc6 # [ 33.005448] RIP: 0033:0x7f054d7e6833 # [ 33.015<4>[ 35.886520] ? direct_entry.cold+0x2c/0x38 <4>[ 35.897599] ? full_proxy_write+0x53/0x80 <4>[ 35.902368] ? vfs_write+0xe7/0x3a0 <4>[ 35.906551] ? ksys_write+0x68/0xf0 <4>[ 35.910737] ? do_syscall_64+0x30/0x40 <4>[ 35.915214] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 933] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff<4>[ 35.921344] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify <4>[ 35.954273] CR2: ffff9cd2c3c1d8c0 <4>[ 35.958260] ---[ end trace 803147a0d9c265fe ]--- <4>[ 35.963704] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 35.968372] Code: 89 ff e8 9e 6a 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 65 92 02 <4>[ 35.989651] RSP: 0018:ffff9ff34135fe60 EFLAGS: 00010282 <4>[ 35.995769] RAX: ffffffff98ce40d0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 36.004028] RDX: 0000000000000000 RSI: ffff9cd33ad9bf70 RDI: ffffffff99ad0fb0 <4>[ 36.012289] RBP: ffffffff99f0f118 R08: 0000000000000001 R09: 0000000000000001 <4>[ 36.020549] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 36.028810] R13: ffff9ff34135ff10 R14: ffff9ff34135ff10 R15: ffff9cd2c333d000 <4>[ 36.037072] FS: 00007fdf2ba4a580(0000) GS:ffff9cd33ac80000(0000) knlGS:0000000000000000 <4>[ 36.046402] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 36.053108] CR2: ffff9cd2c3c1d8c0 CR3: 0000000104e4c001 CR4: 00000000003706e0 eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 33.043512] RSP: 002b:00007ffc916685d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 33.058436] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f054d7e6833 # [ 33.072872] RDX: 000000000000000b RSI: 00007f054d6d9000 RDI: 0000000000000001 # [ 33.087376] RBP: 00007f054d6d9000 R08: 00007f054d6d8010 R09: 0000000000000000 # [ 33.101856] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 33.116318] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 33.130828] irq event stamp: 0 # [ 33.140722] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 33.154236] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 33.169874] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 33.185540] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 33.199072] ---[ end trace 803147a0d9c265fb ]--- # [ 33.210778] lkdtm: ok: SMEP did not get cleared # [ 33.222306] lkdtm: trying to clear SMEP with call gadget # [ 33.234758] lkdtm: ok: SMEP removal was reverted # UNSET_SMEP: saw 'pinned CR4 bits changed:': ok ok 14 selftests: lkdtm: UNSET_SMEP.sh # selftests: lkdtm: DOUBLE_FAULT.sh # [ 33.344881] lkdtm: Performing direct entry DOUBLE_FAULT # [ 33.351962] lkdtm: XFAIL<6>[ 36.199025] lkdtm: Performing direct entry EXEC_VMALLOC : this test is ia32-only # DOUBLE_FAULT: saw 'XFAIL': [SKIP] o<6>[ 36.210469] lkdtm: attempting ok execution at ffffffff98ce44a0 k 15 selftests: lkdtm: DOUBLE_FAULT.sh # SKIP # selftests: lkdt<6>[ 36.223469] lkdtm: attempting bad execution at ffff9ff340303000 m: CORRUPT_PAC.sh # [ 33.455891] lkdtm: Performing direct ent<2>[ 36.236609] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 36.251449] BUG: unable to handle page fault for address: ffff9ff340303000 <1>[ 36.259417] #PF: supervisor instruction fetch in kernel mode <1>[ 36.266024] #PF: error_code(0x0011) - permissions violation <6>[ 36.272538] PGD 100000067 P4D 100000067 PUD 10020b067 PMD 1003f3067 PTE 800000010121c063 ry CORRUPT_PAC # [ 33.462969] lkdtm: XFAIL: this test is arm6<4>[ 36.281873] Oops: 0011 [#8] SMP PTI <4>[ 36.292269] CPU: 1 PID: 1657 Comm: cat Tainted: G D W 5.10.164-cip24 #1 <4>[ 36.301211] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 36.308308] RIP: 0010:0xffff9ff340303000 <4>[ 36.312968] Code: Unable to access opcode bytes at RIP 0xffff9ff340302fd6. <4>[ 36.320940] RSP: 0018:ffff9ff34237fe38 EFLAGS: 00010246 <4>[ 36.327073] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 36.335323] RDX: 0000000000000000 RSI: ffff9cd33ac9bf70 RDI: ffff9cd33ac9bf70 <4>[ 36.343584] RBP: ffff9ff340303000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 36.351844] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d <4>[ 36.360104] R13: ffff9ff34237ff10 R14: ffff9ff34237ff10 R15: ffff9cd2c121c000 <4>[ 36.368367] FS: 00007f33e456f580(0000) GS:ffff9cd33ac80000(0000) knlGS:0000000000000000 <4>[ 36.377694] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 36.384391] CR2: ffff9ff340302fd6 CR3: 0000000103dfe001 CR4: 00000000003706e0 <4>[ 36.392653] Call Trace: <4>[ 36.395675] ? execute_location+0x45/0x56 4-only # CORRUPT_PAC: saw 'XFAIL': [SKIP] ok 16 selftests: lkd<4>[ 36.400444] ? lkdtm_EXEC_VMALLOC+0x20/0x30 <4>[ 36.411617] ? direct_entry.cold+0x2c/0x38 <4>[ 36.416473] ? full_proxy_write+0x53/0x80 <4>[ 36.421240] ? vfs_write+0xe7/0x3a0 <4>[ 36.425423] ? ksys_write+0x68/0xf0 <4>[ 36.429607] ? do_syscall_64+0x30/0x40 <4>[ 36.434080] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 tm: CORRUPT_PAC.sh # SKIP # selftests: lkdtm: UNALIGNED_LOAD_ST<4>[ 36.440211] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify <4>[ 36.473139] CR2: ffff9ff340303000 <4>[ 36.477118] ---[ end trace 803147a0d9c265ff ]--- <4>[ 36.482565] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 36.487233] Code: 89 ff e8 9e 6a 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 65 92 02 <4>[ 36.508505] RSP: 0018:ffff9ff34135fe60 EFLAGS: 00010282 <4>[ 36.514621] RAX: ffffffff98ce40d0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 36.522883] RDX: 0000000000000000 RSI: ffff9cd33ad9bf70 RDI: ffffffff99ad0fb0 <4>[ 36.531142] RBP: ffffffff99f0f118 R08: 0000000000000001 R09: 0000000000000001 <4>[ 36.539400] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 36.547655] R13: ffff9ff34135ff10 R14: ffff9ff34135ff10 R15: ffff9cd2c333d000 <4>[ 36.555917] FS: 00007f33e456f580(0000) GS:ffff9cd33ac80000(0000) knlGS:0000000000000000 <4>[ 36.565244] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 36.571951] CR2: ffff9ff340302fd6 CR3: 0000000103dfe001 CR4: 00000000003706e0 <3>[ 36.580212] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 36.590403] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1657, name: cat <4>[ 36.599150] INFO: lockdep is turned off. <4>[ 36.603810] irq event stamp: 0 <4>[ 36.607506] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 36.614798] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 <4>[ 36.624224] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 <4>[ 36.633651] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 36.640941] CPU: 1 PID: 1657 Comm: cat Tainted: G D W 5.10.164-cip24 #1 <4>[ 36.649881] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 36.656976] Call Trace: <4>[ 36.659994] dump_stack+0x77/0x9b ORE_WRITE.sh # [ 33.550551] lkdtm: Performing direct entry UN<4>[ 36.664024] ___might_sleep.cold+0xa6/0xb6 <4>[ 36.675099] exit_signals+0x1c/0x2e0 <4>[ 36.679380] do_exit+0xc2/0xaf0 <4>[ 36.683165] ? ksys_write+0x68/0xf0 <4>[ 36.687351] rewind_stack_do_exit+0x17/0x20 <4>[ 36.692315] RIP: 0033:0x7f33e4485833 <4>[ 36.696585] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 36.717859] RSP: 002b:00007ffe145ebfc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 36.726607] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f33e4485833 <4>[ 36.734867] RDX: 000000000000000d RSI: 00007f33e4378000 RDI: 0000000000000001 <4>[ 36.743125] RBP: 00007f33e4378000 R08: 00007f33e4377010 R09: 0000000000000000 <4>[ 36.751385] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 36.759644] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ALIGNED_LOAD_STORE_WRITE # [ 33.562994] 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 # [ 33.753910] lkdtm: Performing direct entry READ_AFTER_FREE # [ 33.763794] lkdtm: Value in memory before free: 12345678 # [ 33.776236] lkdtm: Attempting bad read from freed memory # [ 33.788681] lkdtm: Memory was not poisoned # READ_AFTER_FREE: missing 'call trace:': [FAIL] not ok 20 selftests: lkdtm: READ_AFTER_FREE.sh # exit=1 # selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # Skipping WRITE_BUDDY_AFTER_FREE: Corrupts memory on failure ok 21 selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # SKIP # selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh # [ 33.919913] lkd<6>[ 36.875145] lkdtm: Performing direct entry EXEC_RODATA tm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 33.9310<6>[ 36.885811] lkdtm: attempting ok execution at ffffffff98ce44a0 56] lkdtm: Value in memory before free: 12345678 # [ 33.94349<6>[ 36.898840] lkdtm: attempting bad execution at ffffffff99ad1440 6] lkdtm: Attempting to read from freed memory # [ 33.955837]<2>[ 36.911957] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 36.926820] BUG: unable to handle page fault for address: ffffffff99ad1440 <1>[ 36.934791] #PF: supervisor instruction fetch in kernel mode <1>[ 36.941394] #PF: error_code(0x0011) - permissions violation l[ 36.947909] PGD 16ce29067 P4D 16ce29067 PUD 16ce2a063 PMD 800000016c8000e1 <4>[ 36.962199] Oops: 0011 [#9] SMP PTI <4>[ 36.966382] CPU: 1 PID: 1693 Comm: cat Tainted: G D W 5.10.164-cip24 #1 <4>[ 36.975322] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 36.982422] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 ssing 'call trace:': [FAIL] not ok 22 selftests: lkdtm: READ_BU<4>[ 36.988451] Code: ff ff b2 5e 34 99 ff ff ff ff 3a 3e eb 99 ff ff ff ff f8 45 34 99 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 <4>[ 37.015942] RSP: 0018:ffff9ff342417e48 EFLAGS: 00010246 <4>[ 37.022069] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 <4>[ 37.030329] RDX: 0000000000000000 RSI: ffff9cd33ac9bf70 RDI: ffff9cd33ac9bf70 <4>[ 37.038592] RBP: ffffffff99ad1440 R08: 0000000000000000 R09: 0000000000000000 <4>[ 37.046854] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c <4>[ 37.055115] R13: ffff9ff342417f10 R14: ffff9ff342417f10 R15: ffff9cd2c3715000 <4>[ 37.063376] FS: 00007f11b8b74580(0000) GS:ffff9cd33ac80000(0000) knlGS:0000000000000000 <4>[ 37.072707] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 37.079415] CR2: ffffffff99ad1440 CR3: 0000000103b30005 CR4: 00000000003706e0 <4>[ 37.087666] Call Trace: <4>[ 37.090688] ? execute_location+0x45/0x56 DDY_AFTER_FREE.sh # exit=1 # selftests: lkdtm: SLAB_FREE_DOUBLE<4>[ 37.095456] ? direct_entry.cold+0x2c/0x38 <4>[ 37.106533] ? full_proxy_write+0x53/0x80 .sh # [ 34.043118] lkdtm: Performing direct entry SLAB_FREE_D<4>[ 37.111301] ? vfs_write+0xe7/0x3a0 <4>[ 37.121697] ? ksys_write+0x68/0xf0 <4>[ 37.125881] ? do_syscall_64+0x30/0x40 <4>[ 37.130357] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 OUBLE # [ 34.054625] lkdtm: Attempting double slab free ... <4>[ 37.136485] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify <4>[ 37.169419] CR2: ffffffff99ad1440 <4>[ 37.173409] ---[ end trace 803147a0d9c26600 ]--- <4>[ 37.178848] RIP: 0010:lkdtm_BUG+0x5/0x10 # SLAB_FREE_DOUBLE: missing 'call trace:': [FAIL] not ok 23 sel<4>[ 37.183520] Code: 89 ff e8 9e 6a 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 65 92 02 <4>[ 37.211023] RSP: 0018:ffff9ff34135fe60 EFLAGS: 00010282 <4>[ 37.217147] RAX: ffffffff98ce40d0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 37.225409] RDX: 0000000000000000 RSI: ffff9cd33ad9bf70 RDI: ffffffff99ad0fb0 <4>[ 37.233670] RBP: ffffffff99f0f118 R08: 0000000000000001 R09: 0000000000000001 <4>[ 37.241933] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 37.250187] R13: ffff9ff34135ff10 R14: ffff9ff34135ff10 R15: ffff9cd2c333d000 <4>[ 37.258440] FS: 00007f11b8b74580(0000) GS:ffff9cd33ac80000(0000) knlGS:0000000000000000 <4>[ 37.267769] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 37.274476] CR2: ffffffff99ad1440 CR3: 0000000103b30005 CR4: 00000000003706e0 ftests: lkdtm: SLAB_FREE_DOUBLE.sh # exit=1 # selftests: lkdtm: SLAB_FREE_CROSS.sh # [ 34.155365] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 34.166199] 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 # [ 34.262837] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 34.271887] lkdtm: Attempting non-Slab slab free ... # SLAB_FREE_PAGE: missing 'call trace:': [FAIL] not ok 25 selftests: lkdtm: SLAB_FREE_PAGE.sh # exit=1 # selftests: lkdtm: SOFTLOCKUP.sh # Skipping SOFTLOCKUP: Hangs the system ok 26 selftests: lkdtm: SOFTLOCKUP.sh # SKIP # selftests: lkdtm: HARDLOCKUP.sh # Skipping HARDLOCKUP: Hangs the system ok 27 selftests: lkdtm: HARDLOCKUP.sh # SKIP # selftests: lkdtm: SPINLOCKUP.sh # Skipping SPINLOCKUP: Hangs the system ok 28 selftests: lkdtm: SPINLOCKUP.sh # SKIP # selftests: lkdtm: HUNG_TASK.sh # Skipping HUNG_TASK: Hangs the system ok 29 selftests: lkdtm: HUNG_TASK.sh # SKIP # selftests: lkdtm: EXEC_DATA.sh # Killed # [ 34.483600] lkdtm: Performing direct entry EXEC_DATA # [ 34.494842] lkdtm: attempting ok execution at ffffffff98ce44a0 # [ 34.501707] lkdtm: attempting bad execution at ffffffff9b60a6a0 # [ 34.508624] kernel tried t<6>[ 37.412514] lkdtm: Performing direct entry EXEC_USERSPACE o execute NX-protected page - exploit attempt? (uid: 0) # [ 3<6>[ 37.419622] lkdtm: attempting ok execution at ffffffff98ce44a0 4.523477] BUG: unable to handle page fault for address: ffffffff<6>[ 37.432635] lkdtm: attempting bad execution at 00007f33eb7dc000 9b60a6a0 # [ 34.531440] #PF: supervisor instruction fetch in <2>[ 37.445771] unable to execute userspace code (SMEP?) (uid: 0) <1>[ 37.458654] BUG: unable to handle page fault for address: 00007f33eb7dc000 <1>[ 37.466623] #PF: supervisor instruction fetch in kernel mode <1>[ 37.473233] #PF: error_code(0x0011) - permissions violation <6>[ 37.479745] PGD 8000000103c7b067 P4D 8000000103c7b067 PUD 103db9067 PMD 10401e067 PTE 10a98d067 <4>[ 37.489763] Oops: 0011 [#10] SMP PTI <4>[ 37.494034] CPU: 0 PID: 1729 Comm: cat Tainted: G D W 5.10.164-cip24 #1 <4>[ 37.502976] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 37.510072] RIP: 0010:0x7f33eb7dc000 <4>[ 37.514350] Code: Unable to access opcode bytes at RIP 0x7f33eb7dbfd6. <4>[ 37.521930] RSP: 0018:ffff9ff34247fe50 EFLAGS: 00010246 <4>[ 37.528068] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 <4>[ 37.536329] RDX: 0000000000000000 RSI: ffff9cd33ac1bf70 RDI: ffff9cd33ac1bf70 <4>[ 37.544589] RBP: 00007f33eb7dc000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 37.552852] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f <4>[ 37.561104] R13: ffff9ff34247ff10 R14: ffff9ff34247ff10 R15: ffff9cd2c5df1000 <4>[ 37.569366] FS: 00007f33eb7ad580(0000) GS:ffff9cd33ac00000(0000) knlGS:0000000000000000 <4>[ 37.578696] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 37.585402] CR2: 00007f33eb7dc000 CR3: 00000001029e8004 CR4: 00000000003706f0 <4>[ 37.593663] Call Trace: <4>[ 37.596683] ? lkdtm_EXEC_USERSPACE.cold+0x66/0xae <4>[ 37.602320] ? direct_entry.cold+0x2c/0x38 <4>[ 37.607177] ? full_proxy_write+0x53/0x80 <4>[ 37.611950] ? vfs_write+0xe7/0x3a0 <4>[ 37.616132] ? ksys_write+0x68/0xf0 <4>[ 37.620315] ? do_syscall_64+0x30/0x40 <4>[ 37.624788] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 37.630916] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify <4>[ 37.657649] CR2: 00007f33eb7dc000 <4>[ 37.661630] ---[ end trace 803147a0d9c26601 ]--- <4>[ 37.667075] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 37.671743] Code: 89 ff e8 9e 6a 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 65 92 02 <4>[ 37.693021] RSP: 0018:ffff9ff34135fe60 EFLAGS: 00010282 <4>[ 37.699147] RAX: ffffffff98ce40d0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 37.707407] RDX: 0000000000000000 RSI: ffff9cd33ad9bf70 RDI: ffffffff99ad0fb0 <4>[ 37.715667] RBP: ffffffff99f0f118 R08: 0000000000000001 R09: 0000000000000001 <4>[ 37.723927] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 37.732189] R13: ffff9ff34135ff10 R14: ffff9ff34135ff10 R15: ffff9cd2c333d000 <4>[ 37.740451] FS: 00007f33eb7ad580(0000) GS:ffff9cd33ac00000(0000) knlGS:0000000000000000 <4>[ 37.749780] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 37.756487] CR2: 00007f33eb7dc000 CR3: 00000001029e8004 CR4: 00000000003706f0 <3>[ 37.764749] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 37.774954] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1729, name: cat <4>[ 37.783700] INFO: lockdep is turned off. <4>[ 37.788369] irq event stamp: 0 <4>[ 37.792071] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 37.799363] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 <4>[ 37.808789] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 <4>[ 37.818217] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 37.825501] CPU: 0 PID: 1729 Comm: cat Tainted: G D W 5.10.164-cip24 #1 <4>[ 37.834435] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 37.841529] Call Trace: <4>[ 37.844550] dump_stack+0x77/0x9b <4>[ 37.848537] ___might_sleep.cold+0xa6/0xb6 <4>[ 37.853407] exit_signals+0x1c/0x2e0 <4>[ 37.857692] do_exit+0xc2/0xaf0 <4>[ 37.861477] ? ksys_write+0x68/0xf0 <4>[ 37.865661] rewind_stack_do_exit+0x17/0x20 <4>[ 37.870627] RIP: 0033:0x7f33eb6c3833 <4>[ 37.874897] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 37.896172] RSP: 002b:00007fff2b01b248 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 37.904920] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 00007f33eb6c3833 <4>[ 37.913181] RDX: 000000000000000f RSI: 00007f33eb5b6000 RDI: 0000000000000001 <4>[ 37.921441] RBP: 00007f33eb5b6000 R08: 00007f33eb5b5010 R09: 0000000000000000 <4>[ 37.929700] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 37.937961] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 kernel mode # [ 34.538050] #PF: error_code(0x0011) - permissions violation # [ 34.544564] PGD 16ce29067 P4D 16ce29067 PUD 16ce2a063 PMD 800000016e4000e3 # [ 34.552634] Oops: 0011 [#5] SMP PTI # [ 34.556817] CPU: 2 PID: 1549 Comm: cat Tainted: G D W 5.10.164-cip24 #1 # [ 34.565758] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 34.572855] RIP: 0010:data_area+0x0/0x40 # [ 34.577525] Code: ff ff 00 0d 25 c0 d2 9c ff ff 00 0c 25 c0 d2 9c 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 # [ 34.598803] RSP: 0018:ffff9ff3421b7e48 EFLAGS: 00010246 # [ 34.604921] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 34.613181] RDX: 0000000000000000 RSI: ffff9cd33ad1bf70 RDI: ffff9cd33ad1bf70 # [ 34.621444] RBP: ffffffff9b60a6a0 R08: 0000000000000000 R09: 0000000000000000 # [ 34.629705] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 34.637965] R13: ffff9ff3421b7f10 R14: ffff9ff3421b7f10 R15: ffff9cd2c3eda000 # [ 34.646224] FS: 00007fd1c5a89580(0000) GS:ffff9cd33ad00000(0000) knlGS:0000000000000000 # [ 34.655552] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ <6>[ 38.068050] lkdtm: Performing direct entry EXEC_NULL 34.662258] CR2: ffffffff9b60a6a0 CR3: 00000001032ce003 CR4: 00<6>[ 38.076365] lkdtm: attempting ok execution at ffffffff98ce44a0 000000003706e0 # [ 34.670520] Call Trace: # [ 34.673541] <6>[ 38.089394] lkdtm: attempting bad execution at 0000000000000000 ? execute_location+0x45/0x56 # [ 34.678307] ? direct_entry.c<1>[ 38.102540] BUG: kernel NULL pointer dereference, address: 0000000000000000 <1>[ 38.116799] #PF: supervisor instruction fetch in kernel mode old+0x2c/0x38 # [ 34.683161] ? full_proxy_write+0x53/0x80 #<1>[ 38.123411] #PF: error_code(0x0010) - not-present page <6>[ 38.135653] PGD 0 P4D 0 [ 34.687918] ? vfs_write+0xe7/0x3a0 # [ 34.692102] ? ksy<4>[ 38.138772] Oops: 0010 [#11] SMP PTI <4>[ 38.149264] CPU: 1 PID: 1765 Comm: cat Tainted: G D W 5.10.164-cip24 #1 <4>[ 38.158206] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 38.165304] RIP: 0010:0x0 <4>[ 38.168518] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. s_write+0x68/0xf0 # [ 34.696285] ? do_syscall_64+0x30/0x40 <4>[ 38.176487] RSP: 0018:ffff9ff34254fe48 EFLAGS: 00010246 <4>[ 38.188827] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 <4>[ 38.197083] RDX: 0000000000000000 RSI: ffff9cd33ac9bf70 RDI: ffff9cd33ac9bf70 <4>[ 38.205337] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 38.213595] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a <4>[ 38.221849] R13: ffff9ff34254ff10 R14: ffff9ff34254ff10 R15: ffff9cd2c29ba000 <4>[ 38.230112] FS: 00007f253cdb1580(0000) GS:ffff9cd33ac80000(0000) knlGS:0000000000000000 <4>[ 38.239434] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 38.246142] CR2: ffffffffffffffd6 CR3: 00000001033d6006 CR4: 00000000003706e0 <4>[ 38.254394] Call Trace: # <[ 34.700752] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # 4>[ 38.257416] execute_location+0x45/0x56 <4>[ 38.268207] direct_entry.cold+0x2c/0x38 [ 34.706878] Modules linked in: fuse ip_tables cros_ec_sensors<4>[ 38.272879] full_proxy_write+0x53/0x80 <4>[ 38.283666] vfs_write+0xe7/0x3a0 cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf in<4>[ 38.287657] ksys_write+0x68/0xf0 <4>[ 38.297861] do_syscall_64+0x30/0x40 dustrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_e<4>[ 38.302143] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 38.314285] RIP: 0033:0x7f253ccc7833 <4>[ 38.318566] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 38.339834] RSP: 002b:00007ffdc914d608 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 38.348581] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f253ccc7833 <4>[ 38.356845] RDX: 000000000000000a RSI: 00007f253cbba000 RDI: 0000000000000001 <4>[ 38.365105] RBP: 00007f253cbba000 R08: 00007f253cbb9010 R09: 0000000000000000 <4>[ 38.373368] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 38.381621] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 c_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cro<4>[ 38.389887] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify <4>[ 38.422823] CR2: 0000000000000000 <4>[ 38.426813] ---[ end trace 803147a0d9c26602 ]--- <4>[ 38.432259] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 38.436927] Code: 89 ff e8 9e 6a 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 65 92 02 <4>[ 38.458203] RSP: 0018:ffff9ff34135fe60 EFLAGS: 00010282 <4>[ 38.464328] RAX: ffffffff98ce40d0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 38.472590] RDX: 0000000000000000 RSI: ffff9cd33ad9bf70 RDI: ffffffff99ad0fb0 <4>[ 38.480843] RBP: ffffffff99f0f118 R08: 0000000000000001 R09: 0000000000000001 <4>[ 38.489102] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 38.497364] R13: ffff9ff34135ff10 R14: ffff9ff34135ff10 R15: ffff9cd2c333d000 <4>[ 38.505628] FS: 00007f253cdb1580(0000) GS:ffff9cd33ac80000(0000) knlGS:0000000000000000 <4>[ 38.514949] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 38.521659] CR2: ffffffffffffffd6 CR3: 00000001033d6006 CR4: 00000000003706e0 s_usbpd_notify # [ 34.733629] CR2: ffffffff9b60a6a0 # [ 34.743832] ---[ end trace 803147a0d9c265fc ]--- # [ 34.749270] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 34.753938] Code: 89 ff e8 9e 6a 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 65 92 02 # [ 34.775215] RSP: 0018:ffff9ff34135fe60 EFLAGS: 00010282 # [ 34.781329] RAX: ffffffff98ce40d0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 34.789591] RDX: 0000000000000000 RSI: ffff9cd33ad9bf70 RDI: ffffffff99ad0fb0 # [ 34.797852] RBP: ffffffff99f0f118 R08: 0000000000000001 R09: 0000000000000001 # [ 34.806113] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 34.814373] R13: ffff9ff34135ff10 R14: ffff9ff34135ff10 R15: ffff9cd2c333d000 # [ 34.822635] FS: 00007fd1c5a89580(0000) GS:ffff9cd33ad00000(0000) knlGS:0000000000000000 # [ 34.831963] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 34.838669] CR2: ffffffff9b60a6a0 CR3: 00000001032ce003 CR4: 0<6>[ 38.634380] lkdtm: Performing direct entry ACCESS_USERSPACE 0000000003706e0 # [ 34.846933] BUG: sleeping function called <6>[ 38.642165] lkdtm: attempting bad read at 00007f26ddb16000 from invalid context at include/linux/percpu-rwsem.h:49 # [ 3<1>[ 38.654825] BUG: unable to handle page fault for address: 00007f26ddb16000 <1>[ 38.668952] #PF: supervisor read access in kernel mode <1>[ 38.674969] #PF: error_code(0x0001) - permissions violation <6>[ 38.681483] PGD 8000000105c5a067 P4D 8000000105c5a067 PUD 1056cc067 PMD 1032fd067 PTE 10e46d067 <4>[ 38.691492] Oops: 0001 [#12] SMP PTI <4>[ 38.695769] CPU: 0 PID: 1801 Comm: cat Tainted: G D W 5.10.164-cip24 #1 <4>[ 38.704713] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 38.711812] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 <4>[ 38.718332] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 58 4b eb 99 e8 62 96 fd ff 48 c7 c7 80 4b eb 99 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 49 96 fd ff 48 89 ee 48 c7 c7 a8 4b eb <4>[ 38.739597] RSP: 0018:ffff9ff3425c7e48 EFLAGS: 00010246 <4>[ 38.745723] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 <4>[ 38.753982] RDX: 0000000000000000 RSI: ffff9cd33ac1bf70 RDI: ffffffff99eb4b80 <4>[ 38.762240] RBP: 00007f26ddb16000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 38.770497] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 <4>[ 38.778756] R13: ffff9ff3425c7f10 R14: ffff9ff3425c7f10 R15: ffff9cd2c56cd000 <4>[ 38.787016] FS: 00007f26ddae7580(0000) GS:ffff9cd33ac00000(0000) knlGS:0000000000000000 <4>[ 38.796345] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 38.803055] CR2: 00007f26ddb16000 CR3: 0000000103d7c002 CR4: 00000000003706f0 <4>[ 38.811315] Call Trace: <4>[ 38.814338] direct_entry.cold+0x2c/0x38 <4>[ 38.819013] full_proxy_write+0x53/0x80 <4>[ 38.823592] vfs_write+0xe7/0x3a0 <4>[ 38.827586] ksys_write+0x68/0xf0 <4>[ 38.831569] do_syscall_64+0x30/0x40 <4>[ 38.835854] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 38.841786] RIP: 0033:0x7f26dd9fd833 <4>[ 38.846067] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 38.867342] RSP: 002b:00007ffc504bbbc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 38.876082] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f26dd9fd833 <4>[ 38.884342] RDX: 0000000000000011 RSI: 00007f26dd8f0000 RDI: 0000000000000001 <4>[ 38.892604] RBP: 00007f26dd8f0000 R08: 00007f26dd8ef010 R09: 0000000000000000 <4>[ 38.900866] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 38.909127] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 38.917395] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify <4>[ 38.944129] CR2: 00007f26ddb16000 <4>[ 38.948119] ---[ end trace 803147a0d9c26603 ]--- <4>[ 38.953567] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 38.958237] Code: 89 ff e8 9e 6a 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 65 92 02 <4>[ 38.979504] RSP: 0018:ffff9ff34135fe60 EFLAGS: 00010282 <4>[ 38.985629] RAX: ffffffff98ce40d0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 38.993890] RDX: 0000000000000000 RSI: ffff9cd33ad9bf70 RDI: ffffffff99ad0fb0 <4>[ 39.002152] RBP: ffffffff99f0f118 R08: 0000000000000001 R09: 0000000000000001 <4>[ 39.010412] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 39.018672] R13: ffff9ff34135ff10 R14: ffff9ff34135ff10 R15: ffff9cd2c333d000 <4>[ 39.026935] FS: 00007f26ddae7580(0000) GS:ffff9cd33ac00000(0000) knlGS:0000000000000000 <4>[ 39.036256] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 39.042964] CR2: 00007f26ddb16000 CR3: 0000000103d7c002 CR4: 00000000003706f0 <3>[ 39.051217] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 39.061421] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1801, name: cat <4>[ 39.070167] INFO: lockdep is turned off. <4>[ 39.074833] irq event stamp: 0 <4>[ 39.078531] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 39.085821] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 <4>[ 39.095247] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 <4>[ 39.104671] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 39.111962] CPU: 0 PID: 1801 Comm: cat Tainted: G D W 5.10.164-cip24 #1 <4>[ 39.120902] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 39.127998] Call Trace: <4>[ 39.131019] dump_stack+0x77/0x9b <4>[ 39.135016] ___might_sleep.cold+0xa6/0xb6 <4>[ 39.139885] exit_signals+0x1c/0x2e0 <4>[ 39.144166] do_exit+0xc2/0xaf0 <4>[ 39.147961] ? ksys_write+0x68/0xf0 <4>[ 39.152146] rewind_stack_do_exit+0x17/0x20 <4>[ 39.157111] RIP: 0033:0x7f26dd9fd833 <4>[ 39.161382] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 39.182655] RSP: 002b:00007ffc504bbbc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 39.191400] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f26dd9fd833 <4>[ 39.199661] RDX: 0000000000000011 RSI: 00007f26dd8f0000 RDI: 0000000000000001 <4>[ 39.207922] RBP: 00007f26dd8f0000 R08: 00007f26dd8ef010 R09: 0000000000000000 <4>[ 39.216182] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 39.224443] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 4.857128] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1549, name: cat # [ 34.865877] INFO: lockdep is turned off. # [ 34.870544] irq event stamp: 0 # [ 34.874241] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 34.881532] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 34.890958] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 34.900384] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 34.907674] CPU: 2 PID: 1549 Comm: cat Tainted: G D W 5.10.164-cip24 #1 # [ 34.916615] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 34.923710] Call Trace: # [ 34.926729] dump_stack+0x77/0x9b # [ 34.930719] ___might_sleep.cold+0xa6/0xb6 # [ 34.935585] exit_signals+0x1c/0x2e0 # [ 34.939864] do_exit+0xc2/0xaf0 # [ 34.943658] ? ksys_write+0x68/0xf0 # [ 34.947833] rewind_stack_do_exit+0x17/0x20 # [ 34.952784] RIP: 0033:0x7fd1c599f833 # [ 34.957080] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 34.978357] RSP: 002b:00007ffec8bf9328 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 34.987105] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fd1c599f833 # [ 34.995366] RDX: 000000000000000a RSI: 00007fd1c5892000 RDI: 0000000000000001 # [ 35.003626] RBP: 00007fd1c5892000 R08: 00007fd1c5891010 R09: 0000000000000000 # [ 35.011887] R10: fffffffffffffbc<6>[ 39.385904] lkdtm: Performing direct entry ACCESS_NULL <6>[ 39.394124] lkdtm: attempting bad read at 0000000000000000 <1>[ 39.400579] BUG: kernel NULL pointer dereference, address: 0000000000000000 <1>[ 39.408652] #PF: supervisor read access in kernel mode <1>[ 39.414684] #PF: error_code(0x0000) - not-present page <6>[ 39.420711] PGD 0 P4D 0 5 R11: 0000000000000246 R12: 0000000000000001 # [ 35.020148] <4>[ 39.423830] Oops: 0000 [#13] SMP PTI <4>[ 39.434322] CPU: 3 PID: 1836 Comm: cat Tainted: G D W 5.10.164-cip24 #1 <4>[ 39.443266] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 R1<3: 0000000000000001 R14: 0000000000020000 R15: 0000000000020004>[ 39.450357] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 <4>[ 39.462118] Code: 06 96 fd ff be 00 10 00 00 48 89 ef e8 43 32 3c ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 58 4b eb 99 e8 e0 95 fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 80 4b eb 99 48 01 <4>[ 39.483395] RSP: 0018:ffff9ff34261fe58 EFLAGS: 00010246 <4>[ 39.489519] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 <4>[ 39.497781] RDX: 0000000000000000 RSI: ffff9cd33ad9bf70 RDI: ffff9cd33ad9bf70 <4>[ 39.506044] RBP: ffffffff99eb3c49 R08: 0000000000000000 R09: 0000000000000000 <4>[ 39.514306] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c <4>[ 39.522567] R13: ffff9ff34261ff10 R14: ffff9ff34261ff10 R15: ffff9cd2c5666000 <4>[ 39.530829] FS: 00007fd5b1295580(0000) GS:ffff9cd33ad80000(0000) knlGS:0000000000000000 <4>[ 39.540158] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 39.546866] CR2: 0000000000000000 CR3: 000000010405e001 CR4: 00000000003706e0 <4>[ 39.555128] Call Trace: <4>[ 39.558147] direct_entry.cold+0x2c/0x38 <4>[ 39.562819] full_proxy_write+0x53/0x80 <4>[ 39.567391] vfs_write+0xe7/0x3a0 <4>[ 39.571381] ksys_write+0x68/0xf0 <4>[ 39.575370] do_syscall_64+0x30/0x40 <4>[ 39.579650] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 39.585579] RIP: 0033:0x7fd5b11ab833 <4>[ 39.589860] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 39.611136] RSP: 002b:00007ffdf2854a98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 39.619876] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fd5b11ab833 <4>[ 39.628136] RDX: 000000000000000c RSI: 00007fd5b109e000 RDI: 0000000000000001 <4>[ 39.636396] RBP: 00007fd5b109e000 R08: 00007fd5b109d010 R09: 0000000000000000 <4>[ 39.644658] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 39.652919] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 39.661185] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 0 # EXEC_DATA: saw 'call trace:': ok ok 30 selftests: lkdtm: E<4>[ 39.687933] CR2: 0000000000000000 <4>[ 39.698135] ---[ end trace 803147a0d9c26604 ]--- <4>[ 39.703573] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 39.708239] Code: 89 ff e8 9e 6a 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 65 92 02 <4>[ 39.729512] RSP: 0018:ffff9ff34135fe60 EFLAGS: 00010282 <4>[ 39.735631] RAX: ffffffff98ce40d0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 39.743894] RDX: 0000000000000000 RSI: ffff9cd33ad9bf70 RDI: ffffffff99ad0fb0 <4>[ 39.752154] RBP: ffffffff99f0f118 R08: 0000000000000001 R09: 0000000000000001 <4>[ 39.760415] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 39.768675] R13: ffff9ff34135ff10 R14: ffff9ff34135ff10 R15: ffff9cd2c333d000 <4>[ 39.776936] FS: 00007fd5b1295580(0000) GS:ffff9cd33ad80000(0000) knlGS:0000000000000000 <4>[ 39.786264] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 39.792970] CR2: 0000000000000000 CR3: 000000010405e001 CR4: 00000000003706e0 XEC_DATA.sh # selftests: lkdtm: EXEC_STACK.sh # Killed # [ 35.148742] lkdtm: Performing direct entry EXEC_STACK # [ 35.158698] lkdtm: attempting ok execution at ffffffff98ce44a0 # [ 35.171733] lkdtm: attempting bad execution at ffff9ff342257e18 # [ 35.184833] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 35.199693] BUG: unable to handle page fault for address: ffff9ff342257e18 # [ 35.207655] #PF: supervisor instruction fetch in kernel mode # [ 35.214257] #PF: error_code(0x0011) - permissions violation # [ 35.220769] PGD 100000067 P4D 100000067 PUD 10020b067 PMD 105cc1067 PTE 8000000103cc9063 # [ 35.236320] Oops: 0011 [#6] SMP PTI # [ 35.240504] CPU: 1 PID: 1585 Comm: cat Tainted: G D W 5.10.164-cip24 #1 # [ 35.249437] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 35.256533] RIP: 0010:0xffff9ff342257e18 # [ 35.261202] Code: 00 00 18 7e 25 42 f3 9f ff ff 13 49 34 99 ff ff ff ff 20 00 00 00 00 00 00 00 ee 3b eb 99 ff ff ff ff 42 4a 34 99 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 # [ 35.282469] RSP: 0018:ffff9ff342257df8 EFLAGS: 00010246 # [ 35.288594] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 35.2<6>[ 39.920028] lkdtm: Performing direct entry WRITE_RO 96854] RDX: 0000000000000000 RSI: ffff9cd33ac9bf70 RDI: ffff9cd3<6>[ 39.931384] lkdtm: attempting bad rodata write at ffffffff99ad1430 3ac9bf70 # [ 35.305115] RBP: ffff9ff342257e18 R08: 0000000000<1>[ 39.944830] BUG: unable to handle page fault for address: ffffffff99ad1430 <1>[ 39.958998] #PF: supervisor write access in kernel mode <1>[ 39.965124] #PF: error_code(0x0003) - permissions violation <6>[ 39.971628] PGD 16ce29067 P4D 16ce29067 PUD 16ce2a063 PMD 800000016c8000e1 <4>[ 39.979704] Oops: 0003 [#14] SMP PTI <4>[ 39.983985] CPU: 0 PID: 1871 Comm: cat Tainted: G D W 5.10.164-cip24 #1 <4>[ 39.992926] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 40.000026] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a <4>[ 40.005273] Code: 00 48 c7 c7 38 4a eb 99 48 c7 c6 30 14 ad 99 e8 8a 98 fd ff 48 8b 05 ed ca 78 00 ba 34 12 cd ab 48 c7 c7 68 4a eb 99 48 31 d0 <48> 89 05 d7 ca 78 00 e9 68 98 fd ff 0f 1f 44 00 00 48 8b 05 c6 b9 <4>[ 40.026537] RSP: 0018:ffff9ff3426cfe60 EFLAGS: 00010202 <4>[ 40.032661] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 <4>[ 40.040921] RDX: 00000000abcd1234 RSI: ffff9cd33ac1bf70 RDI: ffffffff99eb4a68 <4>[ 40.049181] RBP: ffffffff99eb3c55 R08: 0000000000000000 R09: 0000000000000000 <4>[ 40.057442] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 <4>[ 40.065704] R13: ffff9ff3426cff10 R14: ffff9ff3426cff10 R15: ffff9cd2c414c000 <4>[ 40.073956] FS: 00007f7e9f765580(0000) GS:ffff9cd33ac00000(0000) knlGS:0000000000000000 <4>[ 40.083274] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 40.089981] CR2: ffffffff99ad1430 CR3: 000000010400a003 CR4: 00000000003706f0 <4>[ 40.098231] Call Trace: <4>[ 40.101251] direct_entry.cold+0x2c/0x38 <4>[ 40.105929] full_proxy_write+0x53/0x80 <4>[ 40.110499] vfs_write+0xe7/0x3a0 <4>[ 40.114494] ksys_write+0x68/0xf0 <4>[ 40.118483] do_syscall_64+0x30/0x40 <4>[ 40.122769] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 40.128692] RIP: 0033:0x7f7e9f67b833 <4>[ 40.132971] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 40.154244] RSP: 002b:00007ffc50981468 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 40.162990] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f7e9f67b833 <4>[ 40.171249] RDX: 0000000000000009 RSI: 00007f7e9f56e000 RDI: 0000000000000001 <4>[ 40.179510] RBP: 00007f7e9f56e000 R08: 00007f7e9f56d010 R09: 0000000000000000 <4>[ 40.187770] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 40.196031] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 40.204296] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify <4>[ 40.231030] CR2: ffffffff99ad1430 <4>[ 40.235019] ---[ end trace 803147a0d9c26605 ]--- <4>[ 40.240465] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 40.245133] Code: 89 ff e8 9e 6a 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 65 92 02 <4>[ 40.266409] RSP: 0018:ffff9ff34135fe60 EFLAGS: 00010282 <4>[ 40.272532] RAX: ffffffff98ce40d0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 40.280793] RDX: 0000000000000000 RSI: ffff9cd33ad9bf70 RDI: ffffffff99ad0fb0 <4>[ 40.289045] RBP: ffffffff99f0f118 R08: 0000000000000001 R09: 0000000000000001 <4>[ 40.297305] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 40.305564] R13: ffff9ff34135ff10 R14: ffff9ff34135ff10 R15: ffff9cd2c333d000 <4>[ 40.313826] FS: 00007f7e9f765580(0000) GS:ffff9cd33ac00000(0000) knlGS:0000000000000000 <4>[ 40.323155] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 40.329862] CR2: ffffffff99ad1430 CR3: 000000010400a003 CR4: 00000000003706f0 000000 R09: 0000000000000000 # [ 35.313376] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 35.321638] R13: ffff9ff342257f10 R14: ffff9ff342257f10 R15: ffff9cd2c3043000 # [ 35.329900] FS: 00007f87d6200580(0000) GS:ffff9cd33ac80000(0000) knlGS:0000000000000000 # [ 35.339229] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 35.345929] CR2: ffff9ff342257e18 CR3: 0000000103bae001 CR4: 00000000003706e0 # [ 35.354190] Call Trace: # [ 35.357211] ? execute_location+0x45/0x56 # [ 35.368195] ? lkdtm_EXEC_STACK+0x26/0x44 # [ 35.372953] ? direct_entry.cold+0x2c/0x38 # [ 35.377819] ? full_proxy_write+0x53/0x80 # [ 35.382587] ? vfs_write+0xe7/0x3a0 # [ 35.386771] ? ksys_write+0x68/0xf0 # [ 35.390956] ? do_syscall_64+0x30/0x40 # [ 35.395431] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 35.401557] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 35.434483] CR2: ffff9ff342257e18 # [ 35.438463] ---[ end trace 803147a0d9c265fd ]--- # [ 35.443911] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 35.448579] Code: 89 ff e8 9e 6a 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 65 92 02 # [ 35.469849] RSP: 0018:ffff9ff34135fe60<6>[ 40.482148] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT <6>[ 40.494106] lkdtm: attempting bad ro_after_init write at ffffffff99f30330 EFLAGS: 00010282 # [ 35.475974] RAX: ffffffff98ce40d0 RBX: 0<1>[ 40.502039] BUG: unable to handle page fault for address: ffffffff99f30330 <1>[ 40.516226] #PF: supervisor write access in kernel mode <1>[ 40.522352] #PF: error_code(0x0003) - permissions violation 00<0000000000001 RCX: 0000000000000000 # [ 35.484235] RDX: 0006>[ 40.528858] PGD 16ce29067 P4D 16ce29067 PUD 16ce2a063 PMD 104baf063 PTE 800000016cd30061 <4>[ 40.544408] Oops: 0003 [#15] SMP PTI <4>[ 40.548680] CPU: 2 PID: 1906 Comm: cat Tainted: G D W 5.10.164-cip24 #1 <4>[ 40.557619] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 40.564718] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a <4>[ 40.571037] Code: 4a eb 99 e9 3c 98 fd ff 48 c7 c7 c0 4a eb 99 e8 30 98 fd ff 48 8b 05 93 b9 be 00 ba 34 12 cd ab 48 c7 c7 68 4a eb 99 48 31 d0 <48> 89 05 7d b9 be 00 e9 0e 98 fd ff 0f 1f 44 00 00 41 54 48 c7 c7 <4>[ 40.592312] RSP: 0018:ffff9ff3426afe60 EFLAGS: 00010202 <4>[ 40.598429] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 <4>[ 40.606690] RDX: 00000000abcd1234 RSI: ffff9cd33ad1bf70 RDI: ffffffff99eb4a68 <4>[ 40.614950] RBP: ffffffff99eb3c5e R08: 0000000000000000 R09: 0000000000000000 <4>[ 40.623211] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 <4>[ 40.631471] R13: ffff9ff3426aff10 R14: ffff9ff3426aff10 R15: ffff9cd2c33e5000 <4>[ 40.639730] FS: 00007fa666c9c580(0000) GS:ffff9cd33ad00000(0000) knlGS:0000000000000000 <4>[ 40.649074] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 40.655780] CR2: ffffffff99f30330 CR3: 00000001032aa004 CR4: 00000000003706e0 <4>[ 40.664040] Call Trace: <4>[ 40.667076] direct_entry.cold+0x2c/0x38 <4>[ 40.671748] full_proxy_write+0x53/0x80 <4>[ 40.676321] vfs_write+0xe7/0x3a0 <4>[ 40.680311] ksys_write+0x68/0xf0 <4>[ 40.684302] do_syscall_64+0x30/0x40 <4>[ 40.688582] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 40.694513] RIP: 0033:0x7fa666bb2833 <4>[ 40.698792] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 40.720080] RSP: 002b:00007ffc1efd4ff8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 40.728826] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007fa666bb2833 <4>[ 40.737087] RDX: 0000000000000014 RSI: 00007fa666aa5000 RDI: 0000000000000001 <4>[ 40.745348] RBP: 00007fa666aa5000 R08: 00007fa666aa4010 R09: 0000000000000000 <4>[ 40.753610] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 40.761872] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 40.770137] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 0000000000000 RSI: ffff9cd33ad9bf70 RDI: ffffffff99ad0fb0 # [ <4>[ 40.796887] CR2: ffffffff99f30330 <4>[ 40.807087] ---[ end trace 803147a0d9c26606 ]--- <4>[ 40.812535] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 40.817194] Code: 89 ff e8 9e 6a 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 65 92 02 <4>[ 40.838472] RSP: 0018:ffff9ff34135fe60 EFLAGS: 00010282 <4>[ 40.844599] RAX: ffffffff98ce40d0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 40.852860] RDX: 0000000000000000 RSI: ffff9cd33ad9bf70 RDI: ffffffff99ad0fb0 <4>[ 40.861120] RBP: ffffffff99f0f118 R08: 0000000000000001 R09: 0000000000000001 <4>[ 40.869381] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 40.877644] R13: ffff9ff34135ff10 R14: ffff9ff34135ff10 R15: ffff9cd2c333d000 <4>[ 40.885906] FS: 00007fa666c9c580(0000) GS:ffff9cd33ad00000(0000) knlGS:0000000000000000 <4>[ 40.895236] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 40.901944] CR2: ffffffff99f30330 CR3: 00000001032aa004 CR4: 00000000003706e0 <3>[ 40.910204] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 40.920408] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1906, name: cat <4>[ 40.929155] INFO: lockdep is turned off. <4>[ 40.933821] irq event stamp: 0 <4>[ 40.937517] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 40.944807] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 <4>[ 40.954234] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 <4>[ 40.963659] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 40.970948] CPU: 2 PID: 1906 Comm: cat Tainted: G D W 5.10.164-cip24 #1 <4>[ 40.979888] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 40.986983] Call Trace: <4>[ 40.990025] dump_stack+0x77/0x9b <4>[ 40.994025] ___might_sleep.cold+0xa6/0xb6 <4>[ 40.998890] exit_signals+0x1c/0x2e0 <4>[ 41.003169] do_exit+0xc2/0xaf0 <4>[ 41.006964] ? ksys_write+0x68/0xf0 <4>[ 41.011141] rewind_stack_do_exit+0x17/0x20 <4>[ 41.016111] RIP: 0033:0x7fa666bb2833 <4>[ 41.020393] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 41.041670] RSP: 002b:00007ffc1efd4ff8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 41.050409] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007fa666bb2833 <4>[ 41.058671] RDX: 0000000000000014 RSI: 00007fa666aa5000 RDI: 0000000000000001 <4>[ 41.066929] RBP: 00007fa666aa5000 R08: 00007fa666aa4010 R09: 0000000000000000 <4>[ 41.075189] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 41.083451] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 35.492496] RBP: ffffffff99f0f118 R08: 0000000000000001 R09: 0000000000000001 # [ 35.500756] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 35.509025] R13: ffff9ff34135ff10 R14: ffff9ff34135ff10 R15: ffff9cd2c333d000 # [ 35.517285] FS: 00007f87d6200580(0000) GS:ffff9cd33ac80000(0000) knlGS:0000000000000000 # [ 35.526617] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 35.533322] CR2: ffff9ff342257e18 CR3: 0000000103bae001 CR4: 00000000003706e0 # EXEC_STACK: saw 'call trace:': ok ok 31 selftests: lkdtm: EXEC_STACK.sh # selftests: lkdtm: EXEC_KMALLOC.sh # Killed # [ 35.662164] lkdtm: Performing direct entry EXEC_KMALLOC # [ 35.672017] lkdtm: attempting ok execution at ffffffff98ce44a0 # [ 35.685042] lkdtm: attempting bad execution at ffff9cd2c3c1d8c0 # [ 35.698164] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 35.713027] BUG: unable to handle page fault for address: ffff9cd2c3c1d8c0 # [ 35.720985] #PF: supervisor instruction fetch in kernel mode # [ 35.727598] #PF: error_code(0x0011) - permissions violation # [ 35.734113] PGD 16e601067 P4D 16e601067 PUD 10084c063 PMD 104b19063 PTE 8000000103c1d063 # [ 35.743447] Oops: 0011 [#7] SMP PTI # [ 35.753840] CPU: 1 PID: 1621 Comm: cat Tainted: G D W 5.10.164-cip24 #1 # [ 35.762770] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 35.769867] RIP: 0010:0xffff9cd2c3c1d8c0 # [ 35.774537] Code: 00 00 02 00 00 00 00 00 00 00 20 35 63 c5 d2 9c ff ff 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 bb 24 50 98 ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 0<6>[ 41.252749] lkdtm: Performing direct entry WRITE_KERN 0 0f 1f 44 00 00 55 # [ 35.795814] RSP: 0018:ffff9ff3422d7e38<6>[ 41.259294] lkdtm: attempting bad 6685725 byte write at ffffffff993448bd EFLAGS: 00010246 # [ 35.801941] RAX: 0000000000000033 RBX: 0<1>[ 41.273305] BUG: unable to handle page fault for address: ffffffff993448bd <1>[ 41.287467] #PF: supervisor write access in kernel mode <1>[ 41.293594] #PF: error_code(0x0003) - permissions violation <6>[ 41.300107] PGD 16ce29067 P4D 16ce29067 PUD 16ce2a063 PMD 16c0000e1 000000000000001 RCX: 0000000000000000 # [ 35.810203] RDX: 000<4>[ 41.307500] Oops: 0003 [#16] SMP PTI <4>[ 41.317993] CPU: 1 PID: 1941 Comm: cat Tainted: G D W 5.10.164-cip24 #1 0000000000000 RSI: ffff9cd33ac9bf70 RDI: ffff9cd33ac9bf70 # [ <4>[ 41.326959] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 41.340274] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e 35.818464] RBP: ffff9cd2c3c1d8c0 R08: 0000000000000000 R09: 000<4>[ 41.345721] Code: 53 48 c7 c3 bd 48 34 99 49 89 dc 48 89 da 49 81 ec a0 44 ce 98 4c 89 e6 e8 e3 97 fd ff 48 89 df 4c 89 e1 48 c7 c6 a0 44 ce 98 a4 48 c7 c7 68 4a eb 99 e8 c8 97 fd ff 5b 41 5c e9 b7 fe ff ff <4>[ 41.373210] RSP: 0018:ffff9ff3427f7e50 EFLAGS: 00010246 <4>[ 41.379335] RAX: 000000000000003c RBX: ffffffff993448bd RCX: 000000000066041d <4>[ 41.387596] RDX: 0000000000000000 RSI: ffffffff98ce44a0 RDI: ffffffff993448bd <4>[ 41.395858] RBP: ffffffff99eb3c72 R08: 0000000000000000 R09: 0000000000000000 <4>[ 41.404121] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000066041d <4>[ 41.412381] R13: ffff9ff3427f7f10 R14: ffff9ff3427f7f10 R15: ffff9cd2c4ed9000 <4>[ 41.420643] FS: 00007f6f994c6580(0000) GS:ffff9cd33ac80000(0000) knlGS:0000000000000000 <4>[ 41.429970] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 41.436670] CR2: ffffffff993448bd CR3: 0000000103df0001 CR4: 00000000003706e0 <4>[ 41.444933] Call Trace: <4>[ 41.447952] direct_entry.cold+0x2c/0x38 0000000000000 # [ 35.826724] R10: 00000000ffffe000 R11: 3ffff<4>[ 41.452623] full_proxy_write+0x53/0x80 <4>[ 41.463409] vfs_write+0xe7/0x3a0 fffffffffff R12: 000000000000000d # [ 35.834986] R13: ffff9ff<4>[ 41.467399] ksys_write+0x68/0xf0 <4>[ 41.477600] do_syscall_64+0x30/0x40 3422d7f10 R14: ffff9ff3422d7f10 R15: ffff9cd2c5dfd000 # [ 35.<4>[ 41.481881] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 41.494026] RIP: 0033:0x7f6f993dc833 <4>[ 41.498307] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 41.519582] RSP: 002b:00007ffd464e18b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 41.528329] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f6f993dc833 <4>[ 41.536590] RDX: 000000000000000b RSI: 00007f6f992cf000 RDI: 0000000000000001 <4>[ 41.544851] RBP: 00007f6f992cf000 R08: 00007f6f992ce010 R09: 0000000000000000 <4>[ 41.553111] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 41.561373] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 843250] FS: 00007fdf2ba4a580(0000) GS:ffff9cd33ac80000(0000) kn<4>[ 41.569639] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify <4>[ 41.602572] CR2: ffffffff993448bd <4>[ 41.606561] ---[ end trace 803147a0d9c26607 ]--- <4>[ 41.612023] RIP: 0010:lkdtm_BUG+0x5/0x10 lGS:0000000000000000 # [ 35.852581] CS: 0010 DS: 0000 ES: 00<4>[ 41.616693] Code: 89 ff e8 9e 6a 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 65 92 02 <4>[ 41.644180] RSP: 0018:ffff9ff34135fe60 EFLAGS: 00010282 <4>[ 41.650305] RAX: ffffffff98ce40d0 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 41.658565] RDX: 0000000000000000 RSI: ffff9cd33ad9bf70 RDI: ffffffff99ad0fb0 <4>[ 41.666828] RBP: ffffffff99f0f118 R08: 0000000000000001 R09: 0000000000000001 <4>[ 41.675090] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 41.683351] R13: ffff9ff34135ff10 R14: ffff9ff34135ff10 R15: ffff9cd2c333d000 <4>[ 41.691612] FS: 00007f6f994c6580(0000) GS:ffff9cd33ac80000(0000) knlGS:0000000000000000 <4>[ 41.700940] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 41.707648] CR2: ffffffff993448bd CR3: 0000000103df0001 CR4: 00000000003706e0 00 CR0: 0000000080050033 # [ 35.859290] CR2: ffff9cd2c3c1d8c0 CR3: 0000000104e4c001 CR4: 00000000003706e0 # [ 35.867551] Call Trace: # [ 35.870572] ? execute_location+0x45/0x56 # [ 35.881559] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 # [ 35.886520] ? direct_entry.cold+0x2c/0x38 # [ 35.897599] ? full_proxy_write+0x53/0x80 # [ 35.902368] ? vfs_write+0xe7/0x3a0 # [ 35.906551] ? ksys_write+0x68/0xf0 # [ 35.910737] ? do_syscall_64+0x30/0x40 # [ 35.915214] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 35.921344] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 35.954273] CR2: ffff9cd2c3c1d8c0 # [ 35.958260] ---[ end trace 803147a0d9c265fe ]--- # [ 35.963704] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 35.968372] Code: 89 ff e8 9e 6a 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 65 92 02 # [ 35.989651] RSP: 0018:ffff9ff34135fe60 EFLAGS: 0001<6>[ 41.832905] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW <6>[ 41.841019] lkdtm: attempting good refcount_inc() without overflow <6>[ 41.848243] lkdtm: attempting bad refcount_inc() overflow <4>[ 41.854579] ------------[ cut here ]------------ <4>[ 41.860035] refcount_t: saturated; leaking memory. 0282 # [ 35.995769] RAX: ffffffff98ce40d0 RBX: 00000000000000<4>[ 41.865691] WARNING: CPU: 2 PID: 1976 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 <4>[ 41.881612] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 01 RCX: 0000000000000000 # [ 36.004028] RDX: 0000000000000000<4>[ 41.908371] CPU: 2 PID: 1976 Comm: cat Tainted: G D W 5.10.164-cip24 #1 <4>[ 41.923523] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 41.930622] RIP: 0010:refcount_warn_saturate+0x51/0x110 <4>[ 41.936750] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 52 ef 93 01 00 75 ee 48 c7 c7 08 f3 e4 99 c6 05 42 ef 93 01 01 e8 56 97 95 00 <0f> 0b c3 cc cc cc cc 80 3d 2e ef 93 01 00 75 cb 48 c7 c7 30 f3 e4 RSI: ffff9cd33ad9bf70 RDI: ffffffff99ad0fb0 # [ 36.012289] R<4>[ 41.958032] RSP: 0018:ffff9ff342847e48 EFLAGS: 00010286 <4>[ 41.970376] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 BP: ffffffff99f0f118 R08: 0000000000000001 R09: 0000000000000001<4>[ 41.978646] RDX: ffff9cd33ad2c660 RSI: ffff9cd33ad1bf70 RDI: ffff9cd33ad1bf70 # [ 36.020549] R10: 00000000ffffe000 R11: 3fffffffffffffff R<4>[ 41.993126] RBP: ffffffff99eb3c7d R08: 0000000000000000 R09: 0000000000000000 12: 0000000000000004 # [ 36.028810] R13: ffff9ff34135ff10 R14<4>[ 42.007606] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 <4>[ 42.022093] R13: ffff9ff342847f10 R14: ffff9ff342847f10 R15: ffff9cd2c3ba0000 <4>[ 42.030389] FS: 00007f4a9666d580(0000) GS:ffff9cd33ad00000(0000) knlGS:0000000000000000 <4>[ 42.039727] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 42.046470] CR2: 00007f4a96476000 CR3: 0000000103f52002 CR4: 00000000003706e0 <4>[ 42.054793] Call Trace: : ffff9ff34135ff10 R15: ffff9cd2c333d000 # [ 36.037072] FS: <4>[ 42.057836] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 <4>[ 42.069684] direct_entry.cold+0x2c/0x38 <4>[ 42.074388] full_proxy_write+0x53/0x80 <4>[ 42.079015] vfs_write+0xe7/0x3a0 00007fdf2ba4a580(0000) GS:ffff9cd33ac80000(0000) knlGS:000000000<4>[ 42.083020] ksys_write+0x68/0xf0 <4>[ 42.093245] do_syscall_64+0x30/0x40 0000000 # [ 36.046402] CS: 0010 DS: 0000 ES: 0000 CR0: 00000<4>[ 42.097545] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 42.109689] RIP: 0033:0x7f4a96583833 <4>[ 42.114029] Code: 8b 15 61 26 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 00080050033 # [ 36.053108] CR2: ffff9cd2c3c1d8c0 CR3: 0000000<4>[ 42.135319] RSP: 002b:00007ffd070af028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 42.150279] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f4a96583833 <4>[ 42.158544] RDX: 0000000000000016 RSI: 00007f4a96476000 RDI: 0000000000000001 <4>[ 42.166811] RBP: 00007f4a96476000 R08: 00007f4a96475010 R09: 0000000000000000 <4>[ 42.175083] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 42.183348] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 42.191619] irq event stamp: 0 104e4c001 CR4: 00000000003706e0 # EXEC_KMALLOC: saw 'call trace<4>[ 42.195345] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 42.208851] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 <4>[ 42.218312] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 <4>[ 42.227743] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 42.235041] ---[ end trace 803147a0d9c26608 ]--- <6>[ 42.240495] lkdtm: Overflow detected: saturated :': ok ok 32 selftests: lkdtm: EXEC_KMALLOC.sh # selftests: lkdtm: EXEC_VMALLOC.sh # Killed # [ 36.199025] lkdtm: Performing direct entry EXEC_VMALLOC # [ 36.210469] lkdtm: attempting ok execution at ffffffff98ce44a0 # [ 36.223469] lkdtm: attempting bad execution at ffff9ff340303000 # [ 36.236609] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 36.251449] BUG: unable to handle page fault for address: ffff9ff340303000 # [ 36.259417] #PF: supervisor instruction fetch in kernel mode # [ 36.266024] #PF: error_code(0x0011) - permissions violation # [ 36.272538] PGD 100000067 P4D 100000067 PUD 10020b067 PMD 1003f3067 PTE 800000010121c063 # [ 36.281873] Oops: 0011 [#8] SMP PTI # [ 36.292269] CPU: 1 PID: 1657 Comm: cat Tainted: G D W 5.10.164-cip24 #1 # [ 36.301211] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 36.308308] RIP: 0010:0xffff9ff340303000 # [ 36.312968] Code: Unable to access opcode bytes at RIP 0xffff9ff340302fd6. # [ 36.320940] RSP: 0018:ffff9ff34237fe38 EFLAGS: 00010246 # [ 36.327073] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 36.335323] RDX: 0000000000000000 RSI: ffff9cd33ac9bf70 RDI: ffff9cd33ac9bf70 # [ 36.343584] RBP: ffff9ff340303000 R08: 0000000000000000 R09: 0000000000000000 # [ 36.351844] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0<6>[ 42.381888] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW <6>[ 42.389824] lkdtm: attempting good refcount_add() without overflow <6>[ 42.397027] lkdtm: attempting bad refcount_add() overflow 00000000000000d # [ 36.360104] R13: ffff9ff34237ff10 R14: fff<4>[ 42.403367] ------------[ cut here ]------------ f9ff34237ff10 R15: ffff9cd2c121c000 # [ 36.368367] FS: 00007<4>[ 42.415028] refcount_t: saturated; leaking memory. <4>[ 42.426912] WARNING: CPU: 3 PID: 2008 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 f33e456f580(0000) GS:ffff9cd33ac80000(0000) knlGS:00000000000000<4>[ 42.436640] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify <4>[ 42.469572] CPU: 3 PID: 2008 Comm: cat Tainted: G D W 5.10.164-cip24 #1 <4>[ 42.478547] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 42.485648] RIP: 0010:refcount_warn_saturate+0x51/0x110 <4>[ 42.491808] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 52 ef 93 01 00 75 ee 48 c7 c7 08 f3 e4 99 c6 05 42 ef 93 01 01 e8 56 97 95 00 <0f> 0b c3 cc cc cc cc 80 3d 2e ef 93 01 00 75 cb 48 c7 c7 30 f3 e4 <4>[ 42.513090] RSP: 0018:ffff9ff3428f7e48 EFLAGS: 00010286 <4>[ 42.519224] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 <4>[ 42.527488] RDX: ffff9cd33adac660 RSI: ffff9cd33ad9bf70 RDI: ffff9cd33ad9bf70 <4>[ 42.535754] RBP: ffffffff99eb3c93 R08: 0000000000000000 R09: 0000000000000000 00 # [ 36.377694] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080<4>[ 42.544031] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 <4>[ 42.558509] R13: ffff9ff3428f7f10 R14: ffff9ff3428f7f10 R15: ffff9cd2c29b7000 <4>[ 42.566776] FS: 00007f6edf9c0580(0000) GS:ffff9cd33ad80000(0000) knlGS:0000000000000000 <4>[ 42.576110] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 42.582821] CR2: 00007f6edf7c9000 CR3: 00000001033e6004 CR4: 00000000003706e0 <4>[ 42.591088] Call Trace: <4>[ 42.594113] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 <4>[ 42.599792] direct_entry.cold+0x2c/0x38 050033 # [ 36.384391] CR2: ffff9ff340302fd6 CR3: 0000000103df<4>[ 42.604496] full_proxy_write+0x53/0x80 <4>[ 42.615279] vfs_write+0xe7/0x3a0 <4>[ 42.619303] ksys_write+0x68/0xf0 <4>[ 42.623328] do_syscall_64+0x30/0x40 <4>[ 42.627646] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 42.633613] RIP: 0033:0x7f6edf8d6833 <4>[ 42.637897] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 42.659175] RSP: 002b:00007ffdf3cea268 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 e001 CR4: 00000000003706e0 # [ 36.392653] Call Trace: # [ <4>[ 42.667929] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f6edf8d6833 36.395675] ? execute_location+0x45/0x56 # [ 36.400444] ? lk<4>[ 42.682407] RDX: 0000000000000016 RSI: 00007f6edf7c9000 RDI: 0000000000000001 <4>[ 42.696889] RBP: 00007f6edf7c9000 R08: 00007f6edf7c8010 R09: 0000000000000000 <4>[ 42.705156] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 42.713421] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 42.721689] irq event stamp: 0 dtm_EXEC_VMALLOC+0x20/0x30 # [ 36.411617] ? direct_entry.col<4>[ 42.725414] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 42.738929] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 <4>[ 42.748413] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 d+0x2c/0x38 # [ 36.416473] ? full_proxy_write+0x53/0x80 # [<4>[ 42.757849] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 42.771355] ---[ end trace 803147a0d9c26609 ]--- <6>[ 42.776804] lkdtm: Overflow detected: saturated 36.421240] ? vfs_write+0xe7/0x3a0 # [ 36.425423] ? ksys_write+0x68/0xf0 # [ 36.429607] ? do_syscall_64+0x30/0x40 # [ 36.434080] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 36.440211] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 36.473139] CR2: ffff9ff340303000 # [ 36.477118] ---[ end trace 803147a0d9c265ff ]--- # [ 36.482565] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 36.487233] Code: 89 ff e8 9e 6a 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 65 92 02 # [ 36.508505] RSP: 0018:ffff9ff34135fe60 EFLAGS: 00010282 # [ 36.514621] RAX: ffffffff98ce40d0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 36.522883] RDX: 0000000000000000 RSI: ffff9cd33ad9bf70 RDI: ffffffff99ad0fb0 # [ 36.531142] RBP: ffffffff99f0f1<6>[ 42.887220] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW <6>[ 42.895937] lkdtm: attempting bad refcount_inc_not_zero() overflow <4>[ 42.903164] ------------[ cut here ]------------ <4>[ 42.908614] refcount_t: saturated; leaking memory. <4>[ 42.914307] WARNING: CPU: 3 PID: 2040 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 18 R08: 0000000000000001 R09: 0000000000000001 # [ 36.539400]<4>[ 42.924035] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify <4>[ 42.956969] CPU: 3 PID: 2040 Comm: cat Tainted: G D W 5.10.164-cip24 #1 R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000000000<4>[ 42.965921] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 42.979242] RIP: 0010:refcount_warn_saturate+0x97/0x110 04 # [ 36.547655] R13: ffff9ff34135ff10 R14: ffff9ff34135ff10<4>[ 42.985400] Code: 01 01 e8 33 97 95 00 0f 0b c3 cc cc cc cc 80 3d 0d ef 93 01 00 75 a8 48 c7 c7 08 f3 e4 99 c6 05 fd ee 93 01 01 e8 10 97 95 00 <0f> 0b c3 cc cc cc cc 80 3d e7 ee 93 01 00 75 85 48 c7 c7 60 f3 e4 <4>[ 43.012891] RSP: 0018:ffff9ff342847e38 EFLAGS: 00010282 R15: ffff9cd2c333d000 # [ 36.555917] FS: 00007f33e456f580(0<4>[ 43.019052] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 <4>[ 43.033534] RDX: ffff9cd33adac660 RSI: ffff9cd33ad9bf70 RDI: ffff9cd33ad9bf70 <4>[ 43.041799] RBP: ffffffff99eb38d0 R08: 0000000000000000 R09: 0000000000000000 <4>[ 43.050078] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f <4>[ 43.058346] R13: ffff9ff342847f10 R14: ffff9ff342847f10 R15: ffff9cd2c3057000 <4>[ 43.066612] FS: 00007f4a3c841580(0000) GS:ffff9cd33ad80000(0000) knlGS:0000000000000000 <4>[ 43.075945] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 43.082659] CR2: 00007f4a3c64a000 CR3: 0000000103f52002 CR4: 00000000003706e0 <4>[ 43.090924] Call Trace: <4>[ 43.093950] __refcount_add_not_zero.constprop.0+0x2a/0x35 <4>[ 43.100403] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 <4>[ 43.106922] direct_entry.cold+0x2c/0x38 <4>[ 43.111625] full_proxy_write+0x53/0x80 <4>[ 43.116235] vfs_write+0xe7/0x3a0 <4>[ 43.120258] ksys_write+0x68/0xf0 <4>[ 43.124252] do_syscall_64+0x30/0x40 <4>[ 43.128567] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 43.134504] RIP: 0033:0x7f4a3c757833 <4>[ 43.138787] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 43.160084] RSP: 002b:00007ffd1804a948 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 43.168866] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f4a3c757833 <4>[ 43.177133] RDX: 000000000000001f RSI: 00007f4a3c64a000 RDI: 0000000000000001 <4>[ 43.185399] RBP: 00007f4a3c64a000 R08: 00007f4a3c649010 R09: 0000000000000000 <4>[ 43.193666] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 43.201931] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 43.210202] irq event stamp: 0 <4>[ 43.213932] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 43.221228] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 <4>[ 43.230663] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 <4>[ 43.240124] softirqs last disabled at (0): [<0000000000000000>] 0x0 000) GS:ffff9cd33ac80000(0000) knlGS:0000000000000000 # [ 36.<4>[ 43.247420] ---[ end trace 803147a0d9c2660a ]--- 565244] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ <6>[ 43.259085] lkdtm: Overflow detected: saturated 36.571951] CR2: ffff9ff340302fd6 CR3: 0000000103dfe001 CR4: 00000000003706e0 # [ 36.580212] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 36.590403] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1657, name: cat # [ 36.599150] INFO: lockdep is turned off. # [ 36.603810] irq event stamp: 0 # [ 36.607506] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 36.614798] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 36.624224] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 36.633651] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 36.640941] CPU: 1 PID: 1657 Comm: cat Tainted: G D W 5.10.164-cip24 #1 # [ 36.649881] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 36.656976] Call Trace: # [ 36.659994] dump_stack+0x77/0x9b # [ 36.664024] ___might_sleep.cold+0xa6/0xb6 # [ 36.675099] exit_signals+0x1c/0x2e0 # [ 36.679380] do_exit+0xc2/0xaf0 # [ 36.683165] ? ksys_writ<6>[ 43.374002] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW <6>[ 43.384218] lkdtm: attempting bad refcount_add_not_zero() overflow <4>[ 43.391417] ------------[ cut here ]------------ <4>[ 43.396868] refcount_t: saturated; leaking memory. <4>[ 43.402541] WARNING: CPU: 3 PID: 2072 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 e+0x68/0xf0 # [ 36.687351] rewind_stack_do_exit+0x17/0x20 #<4>[ 43.412263] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify <4>[ 43.445191] CPU: 3 PID: 2072 Comm: cat Tainted: G D W 5.10.164-cip24 #1 <4>[ 43.454136] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 43.461237] RIP: 0010:refcount_warn_saturate+0x97/0x110 <4>[ 43.467365] Code: 01 01 e8 33 97 95 00 0f 0b c3 cc cc cc cc 80 3d 0d ef 93 01 00 75 a8 48 c7 c7 08 f3 e4 99 c6 05 fd ee 93 01 01 e8 10 97 95 00 <0f> 0b c3 cc cc cc cc 80 3d e7 ee 93 01 00 75 85 48 c7 c7 60 f3 e4 <4>[ 43.488646] RSP: 0018:ffff9ff3429efe38 EFLAGS: 00010282 <4>[ 43.494776] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 <4>[ 43.503041] RDX: ffff9cd33adac660 RSI: ffff9cd33ad9bf70 RDI: ffff9cd33ad9bf70 <4>[ 43.511305] RBP: ffffffff99eb38f0 R08: 0000000000000000 R09: 0000000000000000 <4>[ 43.519570] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f <4>[ 43.527834] R13: ffff9ff3429eff10 R14: ffff9ff3429eff10 R15: ffff9cd2c5d3b000 [ 36.692315] RIP: 0033:0x7f33e4485833 # [ 36.696585] Code:<4>[ 43.536098] FS: 00007fbef351a580(0000) GS:ffff9cd33ad80000(0000) knlGS:0000000000000000 <4>[ 43.551651] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 43.558390] CR2: 00007fbef3323000 CR3: 00000001040ee003 CR4: 00000000003706e0 <4>[ 43.566656] Call Trace: <4>[ 43.569681] __refcount_add_not_zero.constprop.0+0x2a/0x35 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f <4>[ 43.576134] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 <4>[ 43.588881] direct_entry.cold+0x2c/0x38 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <<4>[ 43.593572] full_proxy_write+0x53/0x80 <4>[ 43.604349] vfs_write+0xe7/0x3a0 <4>[ 43.608365] ksys_write+0x68/0xf0 <4>[ 43.612391] do_syscall_64+0x30/0x40 <4>[ 43.616707] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 43.622673] RIP: 0033:0x7fbef3430833 <4>[ 43.626958] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 43.648268] RSP: 002b:00007ffda7776418 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 43.657029] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fbef3430833 48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 <4>[ 43.665302] RDX: 000000000000001f RSI: 00007fbef3323000 RDI: 0000000000000001 <4>[ 43.679777] RBP: 00007fbef3323000 R08: 00007fbef3322010 R09: 0000000000000000 <4>[ 43.688043] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 43.696308] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 43.704579] irq event stamp: 0 <4>[ 43.708312] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 43.715638] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 <4>[ 43.725086] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 <4>[ 43.734519] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 43.741815] ---[ end trace 803147a0d9c2660b ]--- <6>[ 43.747262] lkdtm: Overflow detected: saturated 18 # [ 36.717859] RSP: 002b:00007ffe145ebfc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 36.726607] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f33e4485833 # [ 36.734867] RDX: 000000000000000d RSI: 00007f33e4378000 RDI: 0000000000000001 # [ 36.743125] RBP: 00007f33e4378000 R08: 00007f33e4377010 R09: 0000000000000000 # [ 36.751385] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 36.759644] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_VMALLOC: saw 'call trace:': ok ok 33 selftests: lkdtm: EXEC_VMALLOC.sh # selftests: lkdtm: EXEC_RODATA.sh # Killed # [ 36.875145] lkdtm: Performing direct entry EXEC_RODATA # [ 36.885811] lkdtm: attempting ok execution at ffffffff98ce44a0 # [ 36.898840] lkdtm: attempting bad execution at ffffffff99ad1440 # [ 36.911957] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 36.926820] BUG: unable to handle page fault for address: ffffffff99ad1440 # [ 36.934791] #PF: supervisor instruction fetch in kernel mode # [ 36.941394] #PF: error_code(0x0011) - permissions violation # [ 36.947909] PGD 16ce29067 P4D 16ce29067 PUD 16ce2a063 PMD 800000016c8000e1 # [ 36.962199] Oops: 0011 [#9] SMP PTI # [ 36.966382] CPU: 1 PID: 1693 Comm: cat Tainted: G D W 5.10.164-cip24 #1 # [ 36.975322] Hardware name: Google Rammus/Rammus<6>[ 43.883509] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO <6>[ 43.896016] lkdtm: attempting good refcount_dec() <6>[ 43.901591] lkdtm: attempting bad refcount_dec() to zero <4>[ 43.907860] ------------[ cut here ]------------ <4>[ 43.913334] refcount_t: decrement hit 0; leaking memory. <4>[ 43.919593] WARNING: CPU: 2 PID: 2104 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 , BIOS 09/04/2020 # [ 36.982422] RIP: 0010:lkdtm_rodata_do_n<4>[ 43.929326] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify <4>[ 43.962257] CPU: 2 PID: 2104 Comm: cat Tainted: G D W 5.10.164-cip24 #1 <4>[ 43.971234] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 43.978339] RIP: 0010:refcount_warn_saturate+0xfb/0x110 <4>[ 43.984500] Code: b8 f3 e4 99 c6 05 ae ee 93 01 01 e8 c6 96 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 88 f3 e4 99 c6 05 95 ee 93 01 01 e8 ac 96 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b <4>[ 44.005783] RSP: 0018:ffff9ff342a3fe48 EFLAGS: 00010286 <4>[ 44.011941] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 <4>[ 44.020207] RDX: ffff9cd33ad2c660 RSI: ffff9cd33ad1bf70 RDI: ffff9cd33ad1bf70 <4>[ 44.028472] RBP: ffffffff99eb3ca9 R08: 0000000000000000 R09: 0000000000000000 <4>[ 44.036769] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 <4>[ 44.045036] R13: ffff9ff342a3ff10 R14: ffff9ff342a3ff10 R15: ffff9cd2c4d33000 <4>[ 44.053302] FS: 00007f311a23f580(0000) GS:ffff9cd33ad00000(0000) knlGS:0000000000000000 <4>[ 44.062634] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 44.069346] CR2: 00007f311a048000 CR3: 0000000103f96001 CR4: 00000000003706e0 <4>[ 44.077611] Call Trace: <4>[ 44.080639] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd <4>[ 44.085926] direct_entry.cold+0x2c/0x38 <4>[ 44.090634] full_proxy_write+0x53/0x80 <4>[ 44.095241] vfs_write+0xe7/0x3a0 othing+0x0/0x10 # [ 36.988451] Code: ff ff b2 5e 34 99 ff ff <4>[ 44.099265] ksys_write+0x68/0xf0 <4>[ 44.109464] do_syscall_64+0x30/0x40 <4>[ 44.113779] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 44.119744] RIP: 0033:0x7f311a155833 <4>[ 44.124031] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 44.145315] RSP: 002b:00007ffc824c5608 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 44.154097] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f311a155833 <4>[ 44.162363] RDX: 0000000000000012 RSI: 00007f311a048000 RDI: 0000000000000001 ff ff 3a 3e eb 99 ff ff ff ff f8 45 34 99 ff ff ff ff 55 aa 55 a<4>[ 44.170631] RBP: 00007f311a048000 R08: 00007f311a047010 R09: 0000000000000000 a 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <4>[ 44.185112] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 44.199595] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 44.207896] irq event stamp: 0 00 00 00 00 00 00 00 00 54 68 69 73 20 69 # [ 37.015942] RSP:<4>[ 44.211619] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 44.225126] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 <4>[ 44.234609] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 0018:ffff9ff342417e48 EFLAGS: 00010246 # [ 37.022069] RAX: 0<4>[ 44.244054] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 44.257555] ---[ end trace 803147a0d9c2660c ]--- <6>[ 44.263026] lkdtm: Zero detected: saturated 000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 37.030329] RDX: 0000000000000000 RSI: ffff9cd33ac9bf70 RDI: ffff9cd33ac9bf70 # [ 37.038592] RBP: ffffffff99ad1440 R08: 0000000000000000 R09: 0000000000000000 # [ 37.046854] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 37.055115] R13: ffff9ff342417f10 R14: ffff9ff342417f10 R15: ffff9cd2c3715000 # [ 37.063376] FS: 00007f11b8b74580(0000) GS:ffff9cd33ac80000(0000) knlGS:0000000000000000 # [ 37.072707] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 37.079415] CR2: ffffffff99ad1440 CR3: 0000000103b30005 CR4: 00000000003706e0 # [ 37.087666] Call Trace: # [ 37.090688] ? execute_location+0x45/0x56 # [ 37.095456] ? direct_entry.cold+0x2c/0x38 # [ 37.106533] ? full_proxy_write+0x53/0x80 # [ 37.111301] ? vfs_write+0xe7/0x3a0 # [ 37.121697] ? ksys_write+0x68/0xf0 # [ 37.125881] ? do_syscall_64+0x30/0x40 # [ 37.130357] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 37.136485] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio c<6>[ 44.379567] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE ros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cr<6>[ 44.386926] lkdtm: attempting bad refcount_dec() below zero os_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_noti<4>[ 44.399665] ------------[ cut here ]------------ fy # [ 37.169419] CR2: ffffffff99ad1440 # [ 37.173409] ---<4>[ 44.411326] refcount_t: decrement hit 0; leaking memory. [ end trace 803147a0d9c26600 ]--- # [ 37.178848] RIP: 0010:lk<4>[ 44.423812] WARNING: CPU: 0 PID: 2139 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 dtm_BUG+0x5/0x10 # [ 37.183520] Code: 89 ff e8 9e 6a a3 ff 48<4>[ 44.439721] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 <4>[ 44.472716] CPU: 0 PID: 2139 Comm: cat Tainted: G D W 5.10.164-cip24 #1 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00<4>[ 44.487854] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 00 00 00 0f 1f 44 00 00 83 05 80 65 92 02 # [ 37.211023] RSP<4>[ 44.501266] RIP: 0010:refcount_warn_saturate+0xfb/0x110 : 0018:ffff9ff34135fe60 EFLAGS: 00010282 # [ 37.217147] RAX: <4>[ 44.513511] Code: b8 f3 e4 99 c6 05 ae ee 93 01 01 e8 c6 96 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 88 f3 e4 99 c6 05 95 ee 93 01 01 e8 ac 96 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b ffffffff98ce40d0 RBX: 0000000000000001 RCX: 0000000000000000 # <4>[ 44.541025] RSP: 0018:ffff9ff342ae7e48 EFLAGS: 00010286 [ 37.225409] RDX: 0000000000000000 RSI: ffff9cd33ad9bf70 RDI: <4>[ 44.553379] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 ffffffff99ad0fb0 # [ 37.233670] RBP: ffffffff99f0f118 R08: 00<4>[ 44.567899] RDX: ffff9cd33ac2c660 RSI: ffff9cd33ac1bf70 RDI: ffff9cd33ac1bf70 00000000000001 R09: 0000000000000001 # [ 37.241933] R10: 0000<4>[ 44.582360] RBP: ffffffff99eb3cbb R08: 0000000000000000 R09: 0000000000000000 0000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ <4>[ 44.596881] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 37.250187] R13: ffff9ff34135ff10 R14: ffff9ff34135ff10 R15: ffff<4>[ 44.611346] R13: ffff9ff342ae7f10 R14: ffff9ff342ae7f10 R15: ffff9cd2c4b8f000 9cd2c333d000 # [ 37.258440] FS: 00007f11b8b74580(0000) GS:ff<4>[ 44.625873] FS: 00007fc24e33f580(0000) GS:ffff9cd33ac00000(0000) knlGS:0000000000000000 ff9cd33ac80000(0000) knlGS:0000000000000000 # [ 37.267769] CS<4>[ 44.641408] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 : 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 37.274476<4>[ 44.654392] CR2: 00007fc24e148000 CR3: 0000000104150006 CR4: 00000000003706f0 ] CR2: ffffffff99ad1440 CR3: 0000000103b30005 CR4: 0000000000370<4>[ 44.668819] Call Trace: 6e0 # EXEC_RODATA: saw 'call trace:': ok ok 34 selftests: lkdt<4>[ 44.678071] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 m: EXEC_RODATA.sh # selftests: lkdtm: EXEC_USERSPACE.sh # Kill<4>[ 44.689948] direct_entry.cold+0x2c/0x38 ed # [ 37.412514] lkdtm: Performing direct entry EXEC_USERSPA<4>[ 44.700870] full_proxy_write+0x53/0x80 CE # [ 37.419622] lkdtm: attempting ok execution at ffffffff9<4>[ 44.711683] vfs_write+0xe7/0x3a0 8ce44a0 # [ 37.432635] lkdtm: attempting bad execution at 000<4>[ 44.721926] ksys_write+0x68/0xf0 07f33eb7dc000 # [ 37.445771] unable to execute userspace code<4>[ 44.732134] do_syscall_64+0x30/0x40 (SMEP?) (uid: 0) # [ 37.458654] BUG: unable to handle page f<4>[ 44.742692] entry_SYSCALL_64_after_hwframe+0x61/0xc6 ault for address: 00007f33eb7dc000 # [ 37.466623] #PF: superv<4>[ 44.754814] RIP: 0033:0x7fc24e255833 isor instruction fetch in kernel mode # [ 37.473233] #PF: err<4>[ 44.765363] Code: 8b 15 61 26 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 or_code(0x0011) - permissions violation # [ 37.479745] PGD 80<4>[ 44.792848] RSP: 002b:00007ffcd79171d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 00000103c7b067 P4D 8000000103c7b067 PUD 103db9067 PMD 10401e067 <4>[ 44.807823] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fc24e255833 PTE 10a98d067 # [ 37.489763] Oops: 0011 [#10] SMP PTI # [ <4>[ 44.822298] RDX: 0000000000000016 RSI: 00007fc24e148000 RDI: 0000000000000001 37.494034] CPU: 0 PID: 1729 Comm: cat Tainted: G D W <4>[ 44.836800] RBP: 00007fc24e148000 R08: 00007fc24e147010 R09: 0000000000000000 5.10.164-cip24 #1 # [ 37.502976] Hardware name: Google Ramm<4>[ 44.851271] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 us/Rammus, BIOS 09/04/2020 # [ 37.510072] RIP: 0010:0x7f33eb<4>[ 44.865760] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 7dc000 # [ 37.514350] Code: Unable to access opcode bytes at <4>[ 44.880260] irq event stamp: 0 RIP 0x7f33eb7dbfd6. # [ 37.521930] RSP: 0018:ffff9ff34247fe50<4>[ 44.890200] hardirqs last enabled at (0): [<0000000000000000>] 0x0 EFLAGS: 00010246 # [ 37.528068] RAX: 0000000000000033 RBX: 0<4>[ 44.903704] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 000000000000024 RCX: 0000000000000000 # [ 37.536329] RDX: 000<4>[ 44.919385] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 0000000000000 RSI: ffff9cd33ac1bf70 RDI: ffff9cd33ac1bf70 # [ <4>[ 44.935035] softirqs last disabled at (0): [<0000000000000000>] 0x0 37.544589] RBP: 00007f33eb7dc000 R08: 0000000000000000 R09: 000<4>[ 44.948574] ---[ end trace 803147a0d9c2660d ]--- 0000000000000 # [ 37.552852] R10: 00000000ffffe000 R11: 3ffff<6>[ 44.960230] lkdtm: Negative detected: saturated fffffffffff R12: 000000000000000f # [ 37.561104] R13: ffff9ff34247ff10 R14: ffff9ff34247ff10 R15: ffff9cd2c5df1000 # [ 37.569366] FS: 00007f33eb7ad580(0000) GS:ffff9cd33ac00000(0000) knlGS:0000000000000000 # [ 37.578696] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 37.585402] CR2: 00007f33eb7dc000 CR3: 00000001029e8004 CR4: 00000000003706f0 # [ 37.593663] Call Trace: # [ 37.596683] ? lkdtm_EXEC_USERSPACE.cold+0x66/0xae # [ 37.602320] ? direct_entry.cold+0x2c/0x38 # [ 37.607177] ? full_proxy_write+0x53/0x80 # [ 37.611950] ? vfs_write+0xe7/0x3a0 # [ 37.616132] ? ksys_write+0x68/0xf0 # [ 37.620315] ? do_syscall_64+0x30/0x40 # [ 37.624788] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 37.630916] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 37.657649] CR2: 00007f33eb7dc000 # [ 37.661630] ---[ end trace 803147a0d9c26601 ]--- # [ 37.667075] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 37.671743] Code: 89 ff e8 9e 6a 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 <6>[ 45.096851] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE <6>[ 45.110188] lkdtm: attempting bad refcount_dec_and_test() below zero <4>[ 45.117614] ------------[ cut here ]------------ <4>[ 45.123093] refcount_t: underflow; use-after-free. <4>[ 45.128762] WARNING: CPU: 2 PID: 2174 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 1f 44 00 00 83 05 80 65 92 02 # [ 37.693021] RSP: 0018:ffff9f<4>[ 45.138493] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify <4>[ 45.171422] CPU: 2 PID: 2174 Comm: cat Tainted: G D W 5.10.164-cip24 #1 <4>[ 45.180391] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 45.187491] RIP: 0010:refcount_warn_saturate+0xba/0x110 <4>[ 45.193620] Code: 01 01 e8 10 97 95 00 0f 0b c3 cc cc cc cc 80 3d e7 ee 93 01 00 75 85 48 c7 c7 60 f3 e4 99 c6 05 d7 ee 93 01 01 e8 ed 96 95 00 <0f> 0b c3 cc cc cc cc 80 3d c2 ee 93 01 00 0f 85 5e ff ff ff 48 c7 <4>[ 45.214903] RSP: 0018:ffff9ff342b7fe40 EFLAGS: 00010286 <4>[ 45.221032] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 f34135fe60 EFLAGS: 00010282 # [ 37.699147] RAX: ffffffff98ce4<4>[ 45.229301] RDX: ffff9cd33ad2c660 RSI: ffff9cd33ad1bf70 RDI: ffff9cd33ad1bf70 <4>[ 45.243777] RBP: ffffffff99eb3910 R08: 0000000000000000 R09: 0000000000000000 0d0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 37.707407<4>[ 45.252044] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f ] RDX: 0000000000000000 RSI: ffff9cd33ad9bf70 RDI: ffffffff99ad0<4>[ 45.266527] R13: ffff9ff342b7ff10 R14: ffff9ff342b7ff10 R15: ffff9cd2c3288000 fb0 # [ 37.715667] RBP: ffffffff99f0f118 R08: 000000000000000<4>[ 45.281028] FS: 00007f907d09b580(0000) GS:ffff9cd33ad00000(0000) knlGS:0000000000000000 <4>[ 45.296577] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 45.303289] CR2: 00007f907cea4000 CR3: 00000001029f4006 CR4: 00000000003706e0 <4>[ 45.311577] Call Trace: 1 R09: 0000000000000001 # [ 37.723927] R10: 00000000ffffe000 <4>[ 45.314615] __refcount_sub_and_test.constprop.0+0x3c/0x50 <4>[ 45.327238] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 <4>[ 45.333759] direct_entry.cold+0x2c/0x38 <4>[ 45.338463] full_proxy_write+0x53/0x80 <4>[ 45.343076] vfs_write+0xe7/0x3a0 <4>[ 45.347092] ksys_write+0x68/0xf0 <4>[ 45.351084] do_syscall_64+0x30/0x40 <4>[ 45.355392] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 45.361327] RIP: 0033:0x7f907cfb1833 <4>[ 45.365609] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 45.386888] RSP: 002b:00007ffc15d33f08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 45.395639] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f907cfb1833 <4>[ 45.403904] RDX: 000000000000001f RSI: 00007f907cea4000 RDI: 0000000000000001 <4>[ 45.412170] RBP: 00007f907cea4000 R08: 00007f907cea3010 R09: 0000000000000000 <4>[ 45.420434] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 45.428698] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 45.436968] irq event stamp: 0 <4>[ 45.440692] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 45.447988] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 R11: 3fffffffffffffff R12: 0000000000000004 # [ 37.732189] R1<4>[ 45.457445] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 <4>[ 45.473083] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 45.480378] ---[ end trace 803147a0d9c2660e ]--- <6>[ 45.485826] lkdtm: Negative detected: saturated 3: ffff9ff34135ff10 R14: ffff9ff34135ff10 R15: ffff9cd2c333d000 # [ 37.740451] FS: 00007f33eb7ad580(0000) GS:ffff9cd33ac00000(0000) knlGS:0000000000000000 # [ 37.749780] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 37.756487] CR2: 00007f33eb7dc000 CR3: 00000001029e8004 CR4: 00000000003706f0 # [ 37.764749] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 37.774954] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1729, name: cat # [ 37.783700] INFO: lockdep is turned off. # [ 37.788369] irq event stamp: 0 # [ 37.792071] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 37.799363] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 37.808789] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 37.818217] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 37.825501] CPU: 0 PID: 1729 Comm: cat Tainted: G D W 5.10.164-cip24 #1 # [ 37.834435] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 37.841529] Call Trace: # [ 37.844550] dump_stack+0x77/0x9b # [ 37.848537] ___might_sleep.cold+0xa6/0xb6 # [ 37.853407] exit_signals+0x1c/0x2e0 # [ 37.857692] do_exit+0xc2/0xaf0 # [ 37.861477] ? ksys_write+0x68/0xf0 # [ 37.865661] rewind_stack_do_exit+0x17/0x20 # [ 37.870627] RIP: 00<6>[ 45.626392] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE <6>[ 45.635832] lkdtm: attempting bad refcount_sub_and_test() below zero <4>[ 45.643246] ------------[ cut here ]------------ <4>[ 45.648712] refcount_t: underflow; use-after-free. <4>[ 45.654379] WARNING: CPU: 2 PID: 2209 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 <4>[ 45.664108] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify <4>[ 45.690852] CPU: 2 PID: 2209 Comm: cat Tainted: G D W 5.10.164-cip24 #1 <4>[ 45.699820] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 45.706923] RIP: 0010:refcount_warn_saturate+0xba/0x110 <4>[ 45.713066] Code: 01 01 e8 10 97 95 00 0f 0b c3 cc cc cc cc 80 3d e7 ee 93 01 00 75 85 48 c7 c7 60 f3 e4 99 c6 05 d7 ee 93 01 01 e8 ed 96 95 00 <0f> 0b c3 cc cc cc cc 80 3d c2 ee 93 01 00 0f 85 5e ff ff ff 48 c7 <4>[ 45.734376] RSP: 0018:ffff9ff342c0fe40 EFLAGS: 00010286 <4>[ 45.740506] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 <4>[ 45.748769] RDX: ffff9cd33ad2c660 RSI: ffff9cd33ad1bf70 RDI: ffff9cd33ad1bf70 <4>[ 45.757036] RBP: ffffffff99eb3930 R08: 0000000000000000 R09: 0000000000000000 <4>[ 45.765302] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f <4>[ 45.773567] R13: ffff9ff342c0ff10 R14: ffff9ff342c0ff10 R15: ffff9cd2c4fbd000 <4>[ 45.781831] FS: 00007f1f17030580(0000) GS:ffff9cd33ad00000(0000) knlGS:0000000000000000 <4>[ 45.791166] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 45.797877] CR2: 00007f1f16e39000 CR3: 00000001028dc006 CR4: 00000000003706e0 <4>[ 45.806141] Call Trace: <4>[ 45.809164] __refcount_sub_and_test.constprop.0+0x3c/0x50 <4>[ 45.815616] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b <4>[ 45.822160] direct_entry.cold+0x2c/0x38 <4>[ 45.826865] full_proxy_write+0x53/0x80 <4>[ 45.831441] vfs_write+0xe7/0x3a0 <4>[ 45.835432] ksys_write+0x68/0xf0 <4>[ 45.839426] do_syscall_64+0x30/0x40 <4>[ 45.843734] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 45.849669] RIP: 0033:0x7f1f16f46833 <4>[ 45.853952] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 45.875233] RSP: 002b:00007ffcc9eee268 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 45.883983] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f1f16f46833 <4>[ 45.892248] RDX: 000000000000001f RSI: 00007f1f16e39000 RDI: 0000000000000001 <4>[ 45.900512] RBP: 00007f1f16e39000 R08: 00007f1f16e38010 R09: 0000000000000000 33:0x7f33eb6c3833 # [ 37.874897] Code: 8b 15 61 26 0e 00 f7 d<4>[ 45.908779] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00<4>[ 45.923260] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 45.937746] irq event stamp: 0 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 5<4>[ 45.941471] hardirqs last enabled at (0): [<0000000000000000>] 0x0 5 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 37.896172] RS<4>[ 45.954977] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 P: 002b:00007fff2b01b248 EFLAGS: 00000246 ORIG_RAX: 000000000000<4>[ 45.970625] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 0001 # [ 37.904920] RAX: ffffffffffffffda RBX: 00000000000000<4>[ 45.986276] softirqs last disabled at (0): [<0000000000000000>] 0x0 0f RCX: 00007f33eb6c3833 # [ 37.913181] RDX: 000000000000000f<4>[ 45.999784] ---[ end trace 803147a0d9c2660f ]--- RSI: 00007f33eb5b6000 RDI: 0000000000000001 # [ 37.921441] R<6>[ 46.011441] lkdtm: Negative detected: saturated BP: 00007f33eb5b6000 R08: 00007f33eb5b5010 R09: 0000000000000000 # [ 37.929700] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 37.937961] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_USERSPACE: saw 'call trace:': ok ok 35 selftests: lkdtm: EXEC_USERSPACE.sh # selftests: lkdtm: EXEC_NULL.sh # Killed # [ 38.068050] lkdtm: Performing direct entry EXEC_NULL # [ 38.076365] lkdtm: attempting ok execution at ffffffff98ce44a0 # [ 38.089394] lkdtm: attempting bad execution at 0000000000000000 # [ 38.102540] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 38.116799] #PF: supervisor instruction fetch in kernel mode # [ 38.123411] #PF: error_code(0x0010) - not-present page # [ 38.135653] PGD 0 P4D 0 # [ 38.138772] Oops: 0010 [#11] SMP PTI # [ 38.149264] CPU: 1 PID: 1765 Comm: cat Tainted: G D W 5.10.164-cip24 #1 # [ 38.158206] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 38.165304] RIP: 0010:0x0 # [ 38.168518] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. # [ 38.176487] RSP: 0018:ffff9ff34254fe48 EFLAGS: 00010246 # [ 38.188827] RAX: 000000000000<6>[ 46.137377] lkdtm: Performing direct entry REFCOUNT_INC_ZERO <6>[ 46.147738] lkdtm: attempting safe refcount_inc_not_zero() from zero <6>[ 46.155143] lkdtm: Good: zero detected <6>[ 46.159636] lkdtm: Correctly stayed at zero <6>[ 46.164607] lkdtm: attempting bad refcount_inc() from zero <4>[ 46.171034] ------------[ cut here ]------------ 0033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 38.19708<4>[ 46.176484] refcount_t: addition on 0; use-after-free. <4>[ 46.188756] WARNING: CPU: 3 PID: 2241 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 3] RDX: 0000000000000000 RSI: ffff9cd33ac9bf70 RDI: ffff9cd33ac9<4>[ 46.198485] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify <4>[ 46.231414] CPU: 3 PID: 2241 Comm: cat Tainted: G D W 5.10.164-cip24 #1 <4>[ 46.240388] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 46.247490] RIP: 0010:refcount_warn_saturate+0x74/0x110 <4>[ 46.253643] Code: 01 01 e8 56 97 95 00 0f 0b c3 cc cc cc cc 80 3d 2e ef 93 01 00 75 cb 48 c7 c7 30 f3 e4 99 c6 05 1e ef 93 01 01 e8 33 97 95 00 <0f> 0b c3 cc cc cc cc 80 3d 0d ef 93 01 00 75 a8 48 c7 c7 08 f3 e4 <4>[ 46.274946] RSP: 0018:ffff9ff342c9fe48 EFLAGS: 00010286 bf70 # [ 38.205337] RBP: 0000000000000000 R08: 00000000000000<4>[ 46.281087] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 <4>[ 46.295558] RDX: ffff9cd33adac660 RSI: ffff9cd33ad9bf70 RDI: ffff9cd33ad9bf70 <4>[ 46.303822] RBP: ffffffff99eb3cd1 R08: 0000000000000000 R09: 0000000000000000 <4>[ 46.312105] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 00 R09: 0000000000000000 # [ 38.213595] R10: 00000000ffffe000<4>[ 46.320370] R13: ffff9ff342c9ff10 R14: ffff9ff342c9ff10 R15: ffff9cd2c5c56000 <4>[ 46.334846] FS: 00007f24b3c42580(0000) GS:ffff9cd33ad80000(0000) knlGS:0000000000000000 <4>[ 46.344180] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 46.350891] CR2: 00007f24b3a4b000 CR3: 0000000103736003 CR4: 00000000003706e0 <4>[ 46.359155] Call Trace: <4>[ 46.362177] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 <4>[ 46.367462] direct_entry.cold+0x2c/0x38 <4>[ 46.372156] full_proxy_write+0x53/0x80 <4>[ 46.376756] vfs_write+0xe7/0x3a0 <4>[ 46.380772] ksys_write+0x68/0xf0 <4>[ 46.384765] do_syscall_64+0x30/0x40 <4>[ 46.389060] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 46.395028] RIP: 0033:0x7f24b3b58833 <4>[ 46.399312] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 46.420590] RSP: 002b:00007fff1c6e7968 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 46.429342] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f24b3b58833 <4>[ 46.437606] RDX: 0000000000000012 RSI: 00007f24b3a4b000 RDI: 0000000000000001 <4>[ 46.445869] RBP: 00007f24b3a4b000 R08: 00007f24b3a4a010 R09: 0000000000000000 <4>[ 46.454134] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 46.462400] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 46.470669] irq event stamp: 0 <4>[ 46.474399] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 46.481694] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 R11: 3fffffffffffffff R12: 000000000000000a # [ 38.221849] R<4>[ 46.491128] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 13: ffff9ff34254ff10 R14: ffff9ff34254ff10 R15: ffff9cd2c29ba000<4>[ 46.506773] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 46.520284] ---[ end trace 803147a0d9c26610 ]--- <6>[ 46.525733] lkdtm: Zero detected: saturated # [ 38.230112] FS: 00007f253cdb1580(0000) GS:ffff9cd33ac80000(0000) knlGS:0000000000000000 # [ 38.239434] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 38.246142] CR2: ffffffffffffffd6 CR3: 00000001033d6006 CR4: 00000000003706e0 # [ 38.254394] Call Trace: # [ 38.257416] execute_location+0x45/0x56 # [ 38.268207] direct_entry.cold+0x2c/0x38 # [ 38.272879] full_proxy_write+0x53/0x80 # [ 38.283666] vfs_write+0xe7/0x3a0 # [ 38.287657] ksys_write+0x68/0xf0 # [ 38.297861] do_syscall_64+0x30/0x40 # [ 38.302143] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 38.314285] RIP: 0033:0x7f253ccc7833 # [ 38.318566] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 38.339834] RSP: 002b:00007ffdc914d608 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 38.348581] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f253ccc7833 # [ 38.356845] RDX: 000000000000000a RSI: 00007f253cbba000 RDI: 0000000000000001 # [ 38.365105] RBP: 00007f253cb<6>[ 46.641466] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO ba000 R08: 00007f253cbb9010 R09: 0000000000000000 # [ 38.3733<6>[ 46.649222] lkdtm: attempting safe refcount_add_not_zero() from zero 68] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 00000000000<6>[ 46.662834] lkdtm: Good: zero detected 00001 # [ 38.381621] R13: 0000000000000001 R14: 0000000000020<6>[ 46.673555] lkdtm: Correctly stayed at zero 000 R15: 0000000000020000 # [ 38.389887] Modules linked in: f<6>[ 46.684741] lkdtm: attempting bad refcount_add() from zero use ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_<4>[ 46.697372] ------------[ cut here ]------------ triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec<4>[ 46.709038] refcount_t: addition on 0; use-after-free. _sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg<4>[ 46.721305] WARNING: CPU: 0 PID: 2273 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 _temp_thermal cros_ec_dev cros_usbpd_notify # [ 38.422823] CR<4>[ 46.737236] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 2: 0000000000000000 # [ 38.426813] ---[ end trace 803147a0d9c<4>[ 46.770200] CPU: 0 PID: 2273 Comm: cat Tainted: G D W 5.10.164-cip24 #1 26602 ]--- # [ 38.432259] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ <4>[ 46.785352] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 38.436927] Code: 89 ff e8 9e 6a a3 ff 48 c7 c0 ea ff ff ff eb d<4>[ 46.798696] RIP: 0010:refcount_warn_saturate+0x74/0x110 e 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9<4>[ 46.811097] Code: 01 01 e8 56 97 95 00 0f 0b c3 cc cc cc cc 80 3d 2e ef 93 01 00 75 cb 48 c7 c7 30 f3 e4 99 c6 05 1e ef 93 01 01 e8 33 97 95 00 <0f> 0b c3 cc cc cc cc 80 3d 0d ef 93 01 00 75 a8 48 c7 c7 08 f3 e4 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 0<4>[ 46.838539] RSP: 0018:ffff9ff342d3fe48 EFLAGS: 00010286 0 83 05 80 65 92 02 # [ 38.458203] RSP: 0018:ffff9ff34135fe60<4>[ 46.850938] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 EFLAGS: 00010282 # [ 38.464328] RAX: ffffffff98ce40d0 RBX: 0<4>[ 46.865378] RDX: ffff9cd33ac2c660 RSI: ffff9cd33ac1bf70 RDI: ffff9cd33ac1bf70 000000000000001 RCX: 0000000000000000 # [ 38.472590] RDX: 000<4>[ 46.879876] RBP: ffffffff99eb3ce3 R08: 0000000000000000 R09: 0000000000000000 0000000000000 RSI: ffff9cd33ad9bf70 RDI: ffffffff99ad0fb0 # [ <4>[ 46.894341] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 38.480843] RBP: ffffffff99f0f118 R08: 0000000000000001 R09: 000<4>[ 46.908865] R13: ffff9ff342d3ff10 R14: ffff9ff342d3ff10 R15: ffff9cd2c5d90000 0000000000001 # [ 38.489102] R10: 00000000ffffe000 R11: 3ffff<4>[ 46.923322] FS: 00007f3c2116c580(0000) GS:ffff9cd33ac00000(0000) knlGS:0000000000000000 fffffffffff R12: 0000000000000004 # [ 38.497364] R13: ffff9ff<4>[ 46.938881] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 34135ff10 R14: ffff9ff34135ff10 R15: ffff9cd2c333d000 # [ 38.<4>[ 46.951809] CR2: 00007f3c20f75000 CR3: 0000000103f2e006 CR4: 00000000003706f0 505628] FS: 00007f253cdb1580(0000) GS:ffff9cd33ac80000(0000) kn<4>[ 46.966279] Call Trace: lGS:0000000000000000 # [ 38.514949] CS: 0010 DS: 0000 ES: 00<4>[ 46.975527] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 00 CR0: 0000000080050033 # [ 38.521659] CR2: ffffffffffffffd6<4>[ 46.987001] direct_entry.cold+0x2c/0x38 CR3: 00000001033d6006 CR4: 00000000003706e0 # EXEC_NULL: saw '<4>[ 46.997873] full_proxy_write+0x53/0x80 call trace:': ok ok 36 selftests: lkdtm: EXEC_NULL.sh # selfte<4>[ 47.008688] vfs_write+0xe7/0x3a0 sts: lkdtm: ACCESS_USERSPACE.sh # Killed # [ 38.634380] lkdt<4>[ 47.018886] ksys_write+0x68/0xf0 m: Performing direct entry ACCESS_USERSPACE # [ 38.642165] lk<4>[ 47.029104] do_syscall_64+0x30/0x40 dtm: attempting bad read at 00007f26ddb16000 # [ 38.654825] B<4>[ 47.039586] entry_SYSCALL_64_after_hwframe+0x61/0xc6 UG: unable to handle page fault for address: 00007f26ddb16000 #<4>[ 47.051763] RIP: 0033:0x7f3c21082833 [ 38.668952] #PF: supervisor read access in kernel mode # [ <4>[ 47.062212] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 38.674969] #PF: error_code(0x0001) - permissions violation # <4>[ 47.089711] RSP: 002b:00007ffc148bd048 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 38.681483] PGD 8000000105c5a067 P4D 8000000105c5a067 PUD 105<4>[ 47.104675] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f3c21082833 6cc067 PMD 1032fd067 PTE 10e46d067 # [ 38.691492] Oops: 0001 <4>[ 47.119160] RDX: 0000000000000012 RSI: 00007f3c20f75000 RDI: 0000000000000001 [#12] SMP PTI # [ 38.695769] CPU: 0 PID: 1801 Comm: cat Taint<4>[ 47.133638] RBP: 00007f3c20f75000 R08: 00007f3c20f74010 R09: 0000000000000000 ed: G D W 5.10.164-cip24 #1 # [ 38.704713] Hardw<4>[ 47.148128] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 are name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 38.71181<4>[ 47.162627] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 2] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 # [ 38.718<4>[ 47.177119] irq event stamp: 0 332] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee<4>[ 47.187037] hardirqs last enabled at (0): [<0000000000000000>] 0x0 48 c7 c7 58 4b eb 99 e8 62 96 fd ff 48 c7 c7 80 4b eb 99 b8 de <4>[ 47.200573] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 c0 de c0 <48> 03 45 00 48 89 04 24 e8 49 96 fd ff 48 89 ee 48 c7<4>[ 47.216229] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 c7 a8 4b eb # [ 38.739597] RSP: 0018:ffff9ff3425c7e48 EFLAGS<4>[ 47.231895] softirqs last disabled at (0): [<0000000000000000>] 0x0 : 00010246 # [ 38.745723] RAX: 00000000c0dec0de RBX: 00000000<4>[ 47.245410] ---[ end trace 803147a0d9c26611 ]--- 00000026 RCX: 0000000000000000 # [ 38.753982] RDX: 0000000000<6>[ 47.257041] lkdtm: Zero detected: saturated 000000 RSI: ffff9cd33ac1bf70 RDI: ffffffff99eb4b80 # [ 38.762240] RBP: 00007f26ddb16000 R08: 0000000000000000 R09: 0000000000000000 # [ 38.770497] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 # [ 38.778756] R13: ffff9ff3425c7f10 R14: ffff9ff3425c7f10 R15: ffff9cd2c56cd000 # [ 38.787016] FS: 00007f26ddae7580(0000) GS:ffff9cd33ac00000(0000) knlGS:0000000000000000 # [ 38.796345] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 38.803055] CR2: 00007f26ddb16000 CR3: 0000000103d7c002 CR4: 00000000003706f0 # [ 38.811315] Call Trace: # [ 38.814338] direct_entry.cold+0x2c/0x38 # [ 38.819013] full_proxy_write+0x53/0x80 # [ 38.823592] vfs_write+0xe7/0x3a0 # [ 38.827586] ksys_write+0x68/0xf0 # [ 38.831569] do_syscall_64+0x30/0x40 # [ 38.835854] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 38.841786] RIP: 0033:0x7f26dd9fd833 # [ 38.846067] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 38.867342] RSP: 002b:00007ffc504bbbc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 38.<6>[ 47.382554] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED 876082] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f2<6>[ 47.393397] lkdtm: attempting bad refcount_inc() from saturated 6dd9fd833 # [ 38.884342] RDX: 0000000000000011 RSI: 00007f26d<4>[ 47.406519] ------------[ cut here ]------------ d8f0000 RDI: 0000000000000001 # [ 38.892604] RBP: 00007f26dd8<4>[ 47.418183] refcount_t: saturated; leaking memory. f0000 R08: 00007f26dd8ef010 R09: 0000000000000000 # [ 38.9008<4>[ 47.430066] WARNING: CPU: 1 PID: 2308 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 66] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 00000000000<4>[ 47.446012] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 00001 # [ 38.909127] R13: 0000000000000001 R14: 0000000000020<4>[ 47.478951] CPU: 1 PID: 2308 Comm: cat Tainted: G D W 5.10.164-cip24 #1 000 R15: 0000000000020000 # [ 38.917395] Modules linked in: f<4>[ 47.494140] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 use ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_<4>[ 47.507450] RIP: 0010:refcount_warn_saturate+0x51/0x110 triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec<4>[ 47.519773] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 52 ef 93 01 00 75 ee 48 c7 c7 08 f3 e4 99 c6 05 42 ef 93 01 01 e8 56 97 95 00 <0f> 0b c3 cc cc cc cc 80 3d 2e ef 93 01 00 75 cb 48 c7 c7 30 f3 e4 <4>[ 47.547270] RSP: 0018:ffff9ff342dcfe48 EFLAGS: 00010286 _sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg<4>[ 47.553401] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 <4>[ 47.567876] RDX: ffff9cd33acac660 RSI: ffff9cd33ac9bf70 RDI: ffff9cd33ac9bf70 _temp_thermal cros_ec_dev cros_usbpd_notify # [ 38.944129] CR<4>[ 47.576143] RBP: ffffffff99eb3cf5 R08: 0000000000000000 R09: 0000000000000000 <4>[ 47.590614] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 2: 00007f26ddb16000 # [ 38.948119] ---[ end trace 803147a0d9c<4>[ 47.598879] R13: ffff9ff342dcff10 R14: ffff9ff342dcff10 R15: ffff9cd2c4e4d000 <4>[ 47.613352] FS: 00007fbf73551580(0000) GS:ffff9cd33ac80000(0000) knlGS:0000000000000000 26603 ]--- # [ 38.953567] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ <4>[ 47.622687] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 47.635607] CR2: 00007fbf7335a000 CR3: 0000000104134004 CR4: 00000000003706e0 38.958237] Code: 89 ff e8 9e 6a a3 ff 48 c7 c0 ea ff ff ff eb d<4>[ 47.643874] Call Trace: e 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9<4>[ 47.653106] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 0<4>[ 47.665077] direct_entry.cold+0x2c/0x38 0 83 05 80 65 92 02 # [ 38.979504] RSP: 0018:ffff9ff34135fe60<4>[ 47.675969] full_proxy_write+0x53/0x80 EFLAGS: 00010282 # [ 38.985629] RAX: ffffffff98ce40d0 RBX: 0<4>[ 47.686757] vfs_write+0xe7/0x3a0 <4>[ 47.696963] ksys_write+0x68/0xf0 000000000000001 RCX: 0000000000000000 # [ 38.993890] RDX: 000<4>[ 47.700983] do_syscall_64+0x30/0x40 <4>[ 47.711478] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 47.717420] RIP: 0033:0x7fbf73467833 <4>[ 47.721706] Code: 8b 15 61 26 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 0000000000000 RSI: ffff9cd33ad9bf70 RDI: ffffffff99ad0fb0 # [ <4>[ 47.742989] RSP: 002b:00007ffdef0d8938 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 47.757957] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fbf73467833 <4>[ 47.766220] RDX: 0000000000000017 RSI: 00007fbf7335a000 RDI: 0000000000000001 39.002152] RBP: ffffffff99f0f118 R08: 0000000000000001 R09: 000<4>[ 47.774486] RBP: 00007fbf7335a000 R08: 00007fbf73359010 R09: 0000000000000000 <4>[ 47.788968] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 0000000000001 # [ 39.010412] R10: 00000000ffffe000 R11: 3ffff<4>[ 47.797234] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 fffffffffff R12: 0000000000000004 # [ 39.018672] R13: ffff9ff<4>[ 47.811732] irq event stamp: 0 <4>[ 47.821628] hardirqs last enabled at (0): [<0000000000000000>] 0x0 34135ff10 R14: ffff9ff34135ff10 R15: ffff9cd2c333d000 # [ 39.<4>[ 47.828948] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 026935] FS: 00007f26ddae7580(0000) GS:ffff9cd33ac00000(0000) kn<4>[ 47.844589] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 <4>[ 47.860235] softirqs last disabled at (0): [<0000000000000000>] 0x0 lGS:0000000000000000 # [ 39.036256] CS: 0010 DS: 0000 ES: 00<4>[ 47.867530] ---[ end trace 803147a0d9c26612 ]--- 00 CR0: 0000000080050033<6>[ 47.879190] lkdtm: Saturation detected: still saturated # [ 39.042964] CR2: 00007f26ddb16000 CR3: 0000000103d7c002 CR4: 00000000003706f0 # [ 39.051217] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 39.061421] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1801, name: cat # [ 39.070167] INFO: lockdep is turned off. # [ 39.074833] irq event stamp: 0 # [ 39.078531] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 39.085821] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 39.095247] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 39.104671] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 39.111962] CPU: 0 PID: 1801 Comm: cat Tainted: G D W 5.10.164-cip24 #1 # [ 39.120902] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 39.127998] Call Trace: # [ 39.131019] dump_stack+0x77/0x9b # [ 39.135016] ___might_sleep.cold+0xa6/0xb6 # [ 39.139885] exit_signals+0x1c/0x2e0 # [ 39.144166] do_exit+0xc2/0xaf0 # [ 39.147961] ? ksys_write+0x68/0xf0 # [ 39.152146] rewind_stack_do_exit+0x17/0x20 # [ 39.157111] RIP: 0033:0x7f26dd9fd833 # [ 39.161382<6>[ 48.000952] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED <6>[ 48.012833] lkdtm: attempting bad refcount_dec() from saturated <4>[ 48.019763] ------------[ cut here ]------------ <4>[ 48.025214] refcount_t: decrement hit 0; leaking memory. ] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb<4>[ 48.031460] WARNING: CPU: 2 PID: 2343 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 <4>[ 48.047385] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 <4>[ 48.074136] CPU: 2 PID: 2343 Comm: cat Tainted: G D W 5.10.164-cip24 #1 <4>[ 48.089294] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 48.096445] RIP: 0010:refcount_warn_saturate+0xfb/0x110 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89<4>[ 48.102583] Code: b8 f3 e4 99 c6 05 ae ee 93 01 01 e8 c6 96 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 88 f3 e4 99 c6 05 95 ee 93 01 01 e8 ac 96 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b <4>[ 48.130074] RSP: 0018:ffff9ff342e57e48 EFLAGS: 00010286 <4>[ 48.136194] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 <4>[ 48.144458] RDX: ffff9cd33ad2c660 RSI: ffff9cd33ad1bf70 RDI: ffff9cd33ad1bf70 <4>[ 48.152722] RBP: ffffffff99eb3d0c R08: 0000000000000000 R09: 0000000000000000 <4>[ 48.160988] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 <4>[ 48.169278] R13: ffff9ff342e57f10 R14: ffff9ff342e57f10 R15: ffff9cd2c29d5000 <4>[ 48.177544] FS: 00007f2b50aa3580(0000) GS:ffff9cd33ad00000(0000) knlGS:0000000000000000 <4>[ 48.186878] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 48.193589] CR2: 00007f2b508ac000 CR3: 00000001029f4003 CR4: 00000000003706e0 <4>[ 48.201854] Call Trace: <4>[ 48.204880] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f 54 24 18 # [ 39.182655] RSP: 002b:00007ffc504bbbc8 EFLAGS: 0<4>[ 48.210647] direct_entry.cold+0x2c/0x38 <4>[ 48.221528] full_proxy_write+0x53/0x80 <4>[ 48.226135] vfs_write+0xe7/0x3a0 <4>[ 48.230148] ksys_write+0x68/0xf0 <4>[ 48.234164] do_syscall_64+0x30/0x40 <4>[ 48.238471] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 48.244406] RIP: 0033:0x7f2b509b9833 <4>[ 48.248713] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 48.269993] RSP: 002b:00007ffe146e9c18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 0000246 ORIG_RAX: 0000000000000001 # [ 39.191400] RAX: ffffff<4>[ 48.278769] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f2b509b9833 <4>[ 48.293246] RDX: 0000000000000017 RSI: 00007f2b508ac000 RDI: 0000000000000001 ffffffffda RBX: 0000000000000011 RCX: 00007f26dd9fd833 # [ 39<4>[ 48.301512] RBP: 00007f2b508ac000 R08: 00007f2b508ab010 R09: 0000000000000000 .199661] RDX: 0000000000000011 RSI: 00007f26dd8f0000 RDI: 000000<4>[ 48.315993] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 48.330472] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 48.338741] irq event stamp: 0 0000000001 # [ 39.207922] RBP: 00007f26dd8f0000 R08: 00007f26<4>[ 48.342464] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 48.355971] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 <4>[ 48.365402] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 <4>[ 48.374830] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 48.382123] ---[ end trace 803147a0d9c26613 ]--- <6>[ 48.387573] lkdtm: Saturation detected: still saturated dd8ef010 R09: 0000000000000000 # [ 39.216182] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 39.224443] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # ACCESS_USERSPACE: saw 'call trace:': ok ok 37 selftests: lkdtm: ACCESS_USERSPACE.sh # selftests: lkdtm: ACCESS_NULL.sh # Killed # [ 39.385904] lkdtm: Performing direct entry ACCESS_NULL # [ 39.394124] lkdtm: attempting bad read at 0000000000000000 # [ 39.400579] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 39.408652] #PF: supervisor read access in kernel mode # [ 39.414684] #PF: error_code(0x0000) - not-present page # [ 39.420711] PGD 0 P4D 0 # [ 39.423830] Oops: 0000 [#13] SMP PTI # [ 39.434322] CPU: 3 PID: 1836 Comm: cat Tainted: G D W 5.10.164-cip24 #1 # [ 39.443266] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 39.450357] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 # [ 39.462118] Code: 06 96 fd ff be 00 10 00 00 48 89 ef e8 43 32 3c ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 58 4b eb 99 e8 e0 95 fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 80 4b eb 99 48 01 # [ 39.483395] RSP: 0018:ffff9ff34261fe<6>[ 48.507631] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED <6>[ 48.518919] lkdtm: attempting bad refcount_dec() from saturated <4>[ 48.525853] ------------[ cut here ]------------ 58 EFLAGS: 00010246 # [ 39.489519] RAX: 000000000000002e RBX:<4>[ 48.531317] refcount_t: saturated; leaking memory. <4>[ 48.543192] WARNING: CPU: 3 PID: 2378 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 0000000000000027 RCX: 0000000000000000 # [ 39.497781] RDX: 0<4>[ 48.552924] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify <4>[ 48.585852] CPU: 3 PID: 2378 Comm: cat Tainted: G D W 5.10.164-cip24 #1 000000000000000 RSI: ffff9cd33ad9bf70 RDI: ffff9cd33ad9bf70 # [<4>[ 48.594828] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 48.608149] RIP: 0010:refcount_warn_saturate+0x51/0x110 <4>[ 48.614308] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 52 ef 93 01 00 75 ee 48 c7 c7 08 f3 e4 99 c6 05 42 ef 93 01 01 e8 56 97 95 00 <0f> 0b c3 cc cc cc cc 80 3d 2e ef 93 01 00 75 cb 48 c7 c7 30 f3 e4 <4>[ 48.635589] RSP: 0018:ffff9ff342eefe48 EFLAGS: 00010286 <4>[ 48.641717] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 <4>[ 48.650009] RDX: ffff9cd33adac660 RSI: ffff9cd33ad9bf70 RDI: ffff9cd33ad9bf70 39.506044] RBP: ffffffff99eb3c49 R08: 0000000000000000 R09: 0<4>[ 48.658286] RBP: ffffffff99eb3d23 R08: 0000000000000000 R09: 0000000000000000 <4>[ 48.672757] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 <4>[ 48.681024] R13: ffff9ff342eeff10 R14: ffff9ff342eeff10 R15: ffff9cd2c4e41000 <4>[ 48.689290] FS: 00007f8964413580(0000) GS:ffff9cd33ad80000(0000) knlGS:0000000000000000 <4>[ 48.698624] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 48.705335] CR2: 00007f896421c000 CR3: 0000000103d3c006 CR4: 00000000003706e0 <4>[ 48.713598] Call Trace: <4>[ 48.716620] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 <4>[ 48.722387] direct_entry.cold+0x2c/0x38 <4>[ 48.727093] full_proxy_write+0x53/0x80 <4>[ 48.731668] vfs_write+0xe7/0x3a0 <4>[ 48.735661] ksys_write+0x68/0xf0 <4>[ 48.739655] do_syscall_64+0x30/0x40 <4>[ 48.743937] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 48.749871] RIP: 0033:0x7f8964329833 <4>[ 48.754155] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 48.775436] RSP: 002b:00007fff3eafa148 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 48.784187] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f8964329833 <4>[ 48.792451] RDX: 0000000000000017 RSI: 00007f896421c000 RDI: 0000000000000001 <4>[ 48.800717] RBP: 00007f896421c000 R08: 00007f896421b010 R09: 0000000000000000 <4>[ 48.808981] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 48.817244] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 48.825513] irq event stamp: 0 000000000000000 # [ 39.514306] R10: 00000000ffffe000 R11: 3ff<4>[ 48.829238] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 48.842743] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 <4>[ 48.852172] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 <4>[ 48.861601] softirqs last disabled at (0): [<0000000000000000>] 0x0 fffffffffffff R12: 000000000000000c # [ 39.522567] R13: ffff9<4>[ 48.868895] ---[ end trace 803147a0d9c26614 ]--- ff34261ff10 R14: ffff9ff34261ff10 R15: ffff9cd2c5666000 # [ 3<6>[ 48.880559] lkdtm: Saturation detected: still saturated 9.530829] FS: 00007fd5b1295580(0000) GS:ffff9cd33ad80000(0000) knlGS:0000000000000000 # [ 39.540158] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 39.546866] CR2: 0000000000000000 CR3: 000000010405e001 CR4: 00000000003706e0 # [ 39.555128] Call Trace: # [ 39.558147] direct_entry.cold+0x2c/0x38 # [ 39.562819] full_proxy_write+0x53/0x80 # [ 39.567391] vfs_write+0xe7/0x3a0 # [ 39.571381] ksys_write+0x68/0xf0 # [ 39.575370] do_syscall_64+0x30/0x40 # [ 39.579650] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 39.585579] RIP: 0033:0x7fd5b11ab833 # [ 39.589860] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 39.611136] RSP: 002b:00007ffdf2854a98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 39.619876] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fd5b11ab833 # [ 39.628136] RDX: 000000000000000c RSI: 00007fd5b109e000 RDI: 0000000000000001 # [ 39.636396] RBP: 00007fd5b109e000 R08: 00007fd5b109d010 R09: 0000000000000000 # [ 39.644658] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 00<6>[ 49.007144] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED <6>[ 49.018961] lkdtm: attempting bad refcount_inc_not_zero() from saturated <4>[ 49.026756] ------------[ cut here ]------------ <4>[ 49.032223] refcount_t: saturated; leaking memory. <4>[ 49.037891] WARNING: CPU: 3 PID: 2410 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 <4>[ 49.047621] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify <4>[ 49.074367] CPU: 3 PID: 2410 Comm: cat Tainted: G D W 5.10.164-cip24 #1 <4>[ 49.083335] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 49.090434] RIP: 0010:refcount_warn_saturate+0x97/0x110 <4>[ 49.096562] Code: 01 01 e8 33 97 95 00 0f 0b c3 cc cc cc cc 80 3d 0d ef 93 01 00 75 a8 48 c7 c7 08 f3 e4 99 c6 05 fd ee 93 01 01 e8 10 97 95 00 <0f> 0b c3 cc cc cc cc 80 3d e7 ee 93 01 00 75 85 48 c7 c7 60 f3 e4 <4>[ 49.117842] RSP: 0018:ffff9ff342f87e38 EFLAGS: 00010282 <4>[ 49.123971] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 <4>[ 49.132237] RDX: ffff9cd33adac660 RSI: ffff9cd33ad9bf70 RDI: ffff9cd33ad9bf70 <4>[ 49.140501] RBP: ffffffff99eb3950 R08: 0000000000000000 R09: 0000000000000000 <4>[ 49.148764] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 00000000000001 # [ 39.652919] R13: 0000000000000001 R14: 0000<4>[ 49.157033] R13: ffff9ff342f87f10 R14: ffff9ff342f87f10 R15: ffff9cd2c3f29000 <4>[ 49.171515] FS: 00007fd3a9bf4580(0000) GS:ffff9cd33ad80000(0000) knlGS:0000000000000000 <4>[ 49.180873] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 49.187585] CR2: 00007fd3a99fd000 CR3: 0000000105c56002 CR4: 00000000003706e0 <4>[ 49.195849] Call Trace: <4>[ 49.198874] __refcount_add_not_zero.constprop.0+0x2a/0x35 <4>[ 49.205325] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 <4>[ 49.212003] direct_entry.cold+0x2c/0x38 000000020000 R15: 0000000000020000 # [ 39.661185] Modules lin<4>[ 49.216677] full_proxy_write+0x53/0x80 <4>[ 49.227463] vfs_write+0xe7/0x3a0 <4>[ 49.231479] ksys_write+0x68/0xf0 <4>[ 49.235473] do_syscall_64+0x30/0x40 <4>[ 49.239780] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 49.245715] RIP: 0033:0x7fd3a9b0a833 <4>[ 49.250015] Code: 8b 15 61 26 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 ked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core indu<4>[ 49.271302] RSP: 002b:00007fff230ad508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 49.286265] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fd3a9b0a833 <4>[ 49.294529] RDX: 0000000000000020 RSI: 00007fd3a99fd000 RDI: 0000000000000001 <4>[ 49.302793] RBP: 00007fd3a99fd000 R08: 00007fd3a99fc010 R09: 0000000000000000 <4>[ 49.311075] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 49.319338] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 49.327608] irq event stamp: 0 strialio_triggered_buffer kfifo_buf industrialio cros_ec_lightba<4>[ 49.331331] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 49.344838] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 <4>[ 49.354268] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 <4>[ 49.363698] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 49.370993] ---[ end trace 803147a0d9c26615 ]--- <6>[ 49.376440] lkdtm: Saturation detected: still saturated r cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 39.687933] CR2: 0000000000000000 # [ 39.698135] ---[ end trace 803147a0d9c26604 ]--- # [ 39.703573] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 39.708239] Code: 89 ff e8 9e 6a 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 65 92 02 # [ 39.729512] RSP: 0018:ffff9ff34135fe60 EFLAGS: 00010282 # [ 39.735631] RAX: ffffffff98ce40d0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 39.743894] RDX: 0000000000000000 RSI: ffff9cd33ad9bf70 RDI: ffffffff99ad0fb0 # [ 39.752154] RBP: ffffffff99f0f118 R08: 0000000000000001 R09: 0000000000000001 # [ 39.760415] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 39.768675] R13: ffff9ff34135ff10 R14: ffff9ff34135ff10 R15: ffff9cd2c333d000 # [ 39.776936] FS: 00007fd5b1295580(0000) GS:ffff9cd33ad80000(0000) knlGS:0000000000000000 # [ 39.786264] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 39.792970] CR2: 0000000000000000 CR3: 000000010405e001 CR4: 00000000003706e0 # ACCESS_<6>[ 49.497094] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED <6>[ 49.508658] lkdtm: attempting bad refcount_add_not_zero() from saturated <4>[ 49.516447] ------------[ cut here ]------------ NULL: saw 'call trace:': ok ok 38 selftests: lkdtm: ACCESS_NULL<4>[ 49.521906] refcount_t: saturated; leaking memory. .sh # selftests: lkdtm: WRITE_RO.sh # Killed # [ 39.920028]<4>[ 49.533773] WARNING: CPU: 3 PID: 2442 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 <4>[ 49.549701] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify lkdtm: Performing direct entry WRITE_RO # [ 39.931384] lkdtm<4>[ 49.576450] CPU: 3 PID: 2442 Comm: cat Tainted: G D W 5.10.164-cip24 #1 <4>[ 49.591622] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 : attempting bad rodata write at ffffffff99ad1430 # [ 39.9448<4>[ 49.598735] RIP: 0010:refcount_warn_saturate+0x97/0x110 <4>[ 49.611083] Code: 01 01 e8 33 97 95 00 0f 0b c3 cc cc cc cc 80 3d 0d ef 93 01 00 75 a8 48 c7 c7 08 f3 e4 99 c6 05 fd ee 93 01 01 e8 10 97 95 00 <0f> 0b c3 cc cc cc cc 80 3d e7 ee 93 01 00 75 85 48 c7 c7 60 f3 e4 <4>[ 49.632361] RSP: 0018:ffff9ff342fd7e38 EFLAGS: 00010282 <4>[ 49.638490] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 <4>[ 49.646754] RDX: ffff9cd33adac660 RSI: ffff9cd33ad9bf70 RDI: ffff9cd33ad9bf70 <4>[ 49.655024] RBP: ffffffff99eb3970 R08: 0000000000000000 R09: 0000000000000000 30] BUG: unable to handle page fault for address: ffffffff99ad14<4>[ 49.663290] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 <4>[ 49.677767] R13: ffff9ff342fd7f10 R14: ffff9ff342fd7f10 R15: ffff9cd2c54cd000 <4>[ 49.686033] FS: 00007f83fd17f580(0000) GS:ffff9cd33ad80000(0000) knlGS:0000000000000000 <4>[ 49.695364] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 49.702076] CR2: 00007f83fcf88000 CR3: 00000001028f0001 CR4: 00000000003706e0 <4>[ 49.710340] Call Trace: <4>[ 49.713363] __refcount_add_not_zero.constprop.0+0x2a/0x35 <4>[ 49.719810] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 <4>[ 49.726448] direct_entry.cold+0x2c/0x38 <4>[ 49.731122] full_proxy_write+0x53/0x80 <4>[ 49.735721] vfs_write+0xe7/0x3a0 <4>[ 49.739736] ksys_write+0x68/0xf0 <4>[ 49.743729] do_syscall_64+0x30/0x40 <4>[ 49.748037] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 49.753971] RIP: 0033:0x7f83fd095833 <4>[ 49.758254] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 49.779532] RSP: 002b:00007ffcd6b32bc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 49.788283] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f83fd095833 <4>[ 49.796548] RDX: 0000000000000020 RSI: 00007f83fcf88000 RDI: 0000000000000001 30 # [ 39.958998] #PF: supervisor write access in kernel mode<4>[ 49.804813] RBP: 00007f83fcf88000 R08: 00007f83fcf87010 R09: 0000000000000000 <4>[ 49.819295] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 49.827558] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 49.835827] irq event stamp: 0 # [ 39.965124] #PF: error_code(0x0003) - permissions violati<4>[ 49.839551] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 49.853069] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 <4>[ 49.862533] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 <4>[ 49.871962] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 49.879256] ---[ end trace 803147a0d9c26616 ]--- <6>[ 49.884703] lkdtm: Saturation detected: still saturated on # [ 39.971628] PGD 16ce29067 P4D 16ce29067 PUD 16ce2a063 PMD 800000016c8000e1 # [ 39.979704] Oops: 0003 [#14] SMP PTI # [ 39.983985] CPU: 0 PID: 1871 Comm: cat Tainted: G D W 5.10.164-cip24 #1 # [ 39.992926] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 40.000026] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a # [ 40.005273] Code: 00 48 c7 c7 38 4a eb 99 48 c7 c6 30 14 ad 99 e8 8a 98 fd ff 48 8b 05 ed ca 78 00 ba 34 12 cd ab 48 c7 c7 68 4a eb 99 48 31 d0 <48> 89 05 d7 ca 78 00 e9 68 98 fd ff 0f 1f 44 00 00 48 8b 05 c6 b9 # [ 40.026537] RSP: 0018:ffff9ff3426cfe60 EFLAGS: 00010202 # [ 40.032661] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 # [ 40.040921] RDX: 00000000abcd1234 RSI: ffff9cd33ac1bf70 RDI: ffffffff99eb4a68 # [ 40.049181] RBP: ffffffff99eb3c55 R08: 0000000000000000 R09: 0000000000000000 # [ 40.057442] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 # [ 40.065704] R13: ffff9ff3426cff10 R14: ffff9ff3426cff10 R15: ffff9cd2c414c000 # [ 40.073956] FS: 00007f7e9f765580(0000) GS:ffff9cd33ac00000(0000) knlGS:0000000000000000 # [ 40.083274] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 40.089981] CR2: ffffffff99ad1430 CR3: 000000010400a003 CR4: 000000<6>[ 50.011686] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED 00003706f0 # [ 40.098231] Call Trace: # [ 40.101251] dire<6>[ 50.023136] lkdtm: attempting bad refcount_dec_and_test() from saturated ct_entry.cold+0x2c/0x38 # [ 40.105929] full_proxy_write+0x53<4>[ 50.037133] ------------[ cut here ]------------ /0x80 # [ 40.110499] vfs_write+0xe7/0x3a0 # [ 40.114494] <4>[ 50.048794] refcount_t: underflow; use-after-free. ksys_write+0x68/0xf0 # [ 40.118483] do_syscall_64+0x30/0x40<4>[ 50.060685] WARNING: CPU: 1 PID: 2477 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 40.122769] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # <4>[ 50.076593] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 40.128692] RIP: 0033:0x7f7e9f67b833 # [ 40.132971] Code: <4>[ 50.109532] CPU: 1 PID: 2477 Comm: cat Tainted: G D W 5.10.164-cip24 #1 <4>[ 50.124688] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1<4>[ 50.131791] RIP: 0010:refcount_warn_saturate+0xba/0x110 f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <4<4>[ 50.144128] Code: 01 01 e8 10 97 95 00 0f 0b c3 cc cc cc cc 80 3d e7 ee 93 01 00 75 85 48 c7 c7 60 f3 e4 99 c6 05 d7 ee 93 01 01 e8 ed 96 95 00 <0f> 0b c3 cc cc cc cc 80 3d c2 ee 93 01 00 0f 85 5e ff ff ff 48 c7 8> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 1<4>[ 50.171649] RSP: 0018:ffff9ff34309fe40 EFLAGS: 00010286 8 # [ 40.154244] RSP: 002b:00007ffc50981468 EFLAGS: 00000246 <4>[ 50.183973] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 <4>[ 50.198450] RDX: ffff9cd33acac660 RSI: ffff9cd33ac9bf70 RDI: ffff9cd33ac9bf70 ORIG_RAX: 0000000000000001 # [ 40.162990] RAX: ffffffffffffff<4>[ 50.206715] RBP: ffffffff99eb3990 R08: 0000000000000000 R09: 0000000000000000 <4>[ 50.221192] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 da RBX: 0000000000000009 RCX: 00007f7e9f67b833 # [ 40.171249]<4>[ 50.229458] R13: ffff9ff34309ff10 R14: ffff9ff34309ff10 R15: ffff9cd2c4e98000 <4>[ 50.243932] FS: 00007f622f223580(0000) GS:ffff9cd33ac80000(0000) knlGS:0000000000000000 RDX: 0000000000000009 RSI: 00007f7e9f56e000 RDI: 00000000000000<4>[ 50.253266] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 50.266187] CR2: 00007f622f02c000 CR3: 0000000104146004 CR4: 00000000003706e0 01 # [ 40.179510] RBP: 00007f7e9f56e000 R08: 00007f7e9f56d010<4>[ 50.274454] Call Trace: R09: 0000000000000000 # [ 40.187770] R10: fffffffffffffbc5 R<4>[ 50.283687] __refcount_sub_and_test.constprop.0+0x3c/0x50 11: 0000000000000246 R12: 0000000000000001 # [ 40.196031] R13<4>[ 50.296320] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 : 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 50.309153] direct_entry.cold+0x2c/0x38 # [ 40.204296] Modules linked in: fuse ip_tables cros_ec_senso<4>[ 50.320042] full_proxy_write+0x53/0x80 rs cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf <4>[ 50.330833] vfs_write+0xe7/0x3a0 industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros<4>[ 50.341043] ksys_write+0x68/0xf0 _ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev c<4>[ 50.351252] do_syscall_64+0x30/0x40 ros_usbpd_notify # [ 40.231030] CR2: ffffffff99ad1430 # [ <4>[ 50.361748] entry_SYSCALL_64_after_hwframe+0x61/0xc6 40.235019] ---[ end trace 803147a0d9c26605 ]--- # [ 40.240465<4>[ 50.373906] RIP: 0033:0x7f622f139833 ] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 40.245133] Code: 89 ff e8 <4>[ 50.384403] Code: 8b 15 61 26 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 9e 6a a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 c<4>[ 50.411897] RSP: 002b:00007ffd367ffc88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 50.426863] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f622f139833 c cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 <4>[ 50.435130] RDX: 0000000000000020 RSI: 00007f622f02c000 RDI: 0000000000000001 <4>[ 50.449602] RBP: 00007f622f02c000 R08: 00007f622f02b010 R09: 0000000000000000 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 65 92 02 # [ <4>[ 50.457868] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 50.472344] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 40.266409] RSP: 0018:ffff9ff34135fe60 EFLAGS: 00010282 # [ 40<4>[ 50.480635] irq event stamp: 0 <4>[ 50.490524] hardirqs last enabled at (0): [<0000000000000000>] 0x0 .272532] RAX: ffffffff98ce40d0 RBX: 0000000000000001 RCX: 000000<4>[ 50.497819] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 <4>[ 50.513457] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 0000000000 # [ 40.280793] RDX: 0000000000000000 RSI: ffff9cd3<4>[ 50.522890] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 50.536394] ---[ end trace 803147a0d9c26617 ]--- 3ad9bf70 RDI: ffffffff99ad0fb0 # [ 40.289045] RBP: ffffffff99<6>[ 50.541845] lkdtm: Saturation detected: still saturated f0f118 R08: 0000000000000001 R09: 0000000000000001 # [ 40.297305] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 40.305564] R13: ffff9ff34135ff10 R14: ffff9ff34135ff10 R15: ffff9cd2c333d000 # [ 40.313826] FS: 00007f7e9f765580(0000) GS:ffff9cd33ac00000(0000) knlGS:0000000000000000 # [ 40.323155] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 40.329862] CR2: ffffffff99ad1430 CR3: 000000010400a003 CR4: 00000000003706f0 # WRITE_RO: saw 'call trace:': ok ok 39 selftests: lkdtm: WRITE_RO.sh # selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # Killed # [ 40.482148] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT # [ 40.494106] lkdtm: attempting bad ro_after_init write at ffffffff99f30330 # [ 40.502039] BUG: unable to handle page fault for address: ffffffff99f30330 # [ 40.516226] #PF: supervisor write access in kernel mode # [ 40.522352] #PF: error_code(0x0003) - permissions violation # [ 40.528858] PGD 16ce29067 P4D 16ce29067 PUD 16ce2a063 PMD 104baf063 PTE 800000016cd30061 # [ 40.544408] Oops: 0003 [#15] SMP PTI # [ 40.548680] CPU: 2 PID: 1906 Comm: cat Tainted: G D W 5.10.164-cip24 #1 # [ 40.557619] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 40.564718] RIP: 0010:l<6>[ 50.674219] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED <6>[ 50.686453] lkdtm: attempting bad refcount_sub_and_test() from saturated kdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a # [ 40.571037] Code: 4a eb<4>[ 50.694240] ------------[ cut here ]------------ 99 e9 3c 98 fd ff 48 c7 c7 c0 4a eb 99 e8 30 98 fd ff 48 8b 05 <4>[ 50.705897] refcount_t: underflow; use-after-free. 93 b9 be 00 ba 34 12 cd ab 48 c7 c7 68 4a eb 99 48 31 d0 <48> 89<4>[ 50.717787] WARNING: CPU: 1 PID: 2512 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 05 7d b9 be 00 e9 0e 98 fd ff 0f 1f 44 00 00 41 54 48 c7 c7 # <4>[ 50.733695] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 40.592312] RSP: 0018:ffff9ff3426afe60 EFLAGS: 00010202 # [ <4>[ 50.766652] CPU: 1 PID: 2512 Comm: cat Tainted: G D W 5.10.164-cip24 #1 40.598429] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 00<4>[ 50.781792] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 00000000000000 # [ 40.606690] RDX: 00000000abcd1234 RSI: ffff<4>[ 50.795105] RIP: 0010:refcount_warn_saturate+0xba/0x110 9cd33ad1bf70 RDI: ffffffff99eb4a68 # [ 40.614950] RBP: ffffff<4>[ 50.807451] Code: 01 01 e8 10 97 95 00 0f 0b c3 cc cc cc cc 80 3d e7 ee 93 01 00 75 85 48 c7 c7 60 f3 e4 99 c6 05 d7 ee 93 01 01 e8 ed 96 95 00 <0f> 0b c3 cc cc cc cc 80 3d c2 ee 93 01 00 0f 85 5e ff ff ff 48 c7 <4>[ 50.834949] RSP: 0018:ffff9ff343137e40 EFLAGS: 00010286 ff99eb3c5e R08: 0000000000000000 R09: 0000000000000000 # [ 40<4>[ 50.841079] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 .623211] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000<4>[ 50.855556] RDX: ffff9cd33acac660 RSI: ffff9cd33ac9bf70 RDI: ffff9cd33ac9bf70 0000000014 # [ 40.631471] R13: ffff9ff3426aff10 R14: ffff9ff3<4>[ 50.870040] RBP: ffffffff99eb39b0 R08: 0000000000000000 R09: 0000000000000000 <4>[ 50.884521] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 426aff10 R15: ffff9cd2c33e5000 # [ 40.639730] FS: 00007fa666<4>[ 50.892788] R13: ffff9ff343137f10 R14: ffff9ff343137f10 R15: ffff9cd2c3f2f000 c9c580(0000) GS:ffff9cd33ad00000(0000) knlGS:0000000000000000 #<4>[ 50.907262] FS: 00007f14882f4580(0000) GS:ffff9cd33ac80000(0000) knlGS:0000000000000000 <4>[ 50.922813] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 40.649074] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003<4>[ 50.929526] CR2: 00007f14880fd000 CR3: 0000000103d7c005 CR4: 00000000003706e0 3 # [ 40.655780] CR2: ffffffff99f30330 CR3: 00000001032aa004 <4>[ 50.944027] Call Trace: CR4: 00000000003706e0 <4>[ 50.953276] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 40.664040] Call Trace:<4>[ 50.961913] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 <4>[ 50.971248] direct_entry.cold+0x2c/0x38 # [ 40.667076] direct_entry.cold+0x2c/0x38 <4>[ 50.975948] full_proxy_write+0x53/0x80 <4>[ 50.985282] vfs_write+0xe7/0x3a0 # [ 40.671748] full_proxy_write+0x53/0x80<4>[ 50.989281] ksys_write+0x68/0xf0 <4>[ 50.997549] do_syscall_64+0x30/0x40 <4>[ 51.001837] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 51.007967] RIP: 0033:0x7f148820a833 <4>[ 51.012259] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 51.033539] RSP: 002b:00007ffccff62e18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 40.676321] vfs_write+0xe7/0x3a0<4>[ 51.042290] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f148820a833 <4>[ 51.054238] RDX: 0000000000000020 RSI: 00007f14880fd000 RDI: 0000000000000001 <4>[ 51.062502] RBP: 00007f14880fd000 R08: 00007f14880fc010 R09: 0000000000000000 <4>[ 51.070959] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 40.680311] ksys_write+0x68/0xf0 # [ 40.684302] do_sys<4>[ 51.079249] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 call_64+0x30/0x40 # [ 40.688582] entry_SYSCALL_64_after_hwfr<4>[ 51.093730] irq event stamp: 0 ame+0x61/0xc6 # [ 40.694513] RIP: 0033:0x7fa666bb2833 <4>[ 51.103669] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 51.116597] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 40.698792] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0<4>[ 51.126029] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 <4>[ 51.141669] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 51.155178] ---[ end trace 803147a0d9c26618 ]--- b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48<6>[ 51.160628] lkdtm: Saturation detected: still saturated 83 ec 28 48 89 54 24 18 # [ 40.720080] RSP: 002b:00007ffc1efd4ff8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 40.728826] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007fa666bb2833 # [ 40.737087] RDX: 0000000000000014 RSI: 00007fa666aa5000 RDI: 0000000000000001 # [ 40.745348] RBP: 00007fa666aa5000 R08: 00007fa666aa4010 R09: 0000000000000000 # [ 40.753610] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 40.761872] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 40.770137] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 40.796887] CR2: ffffffff99f30330 # [ 40.807087] ---[ end trace 803147a0d9c26606 ]--- # [ 40.812535] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 40.817194] Code: 89 ff e8 9e 6a 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 65 92 02 # [ 40.838472] RSP: 0018:ffff9ff34135fe60 EFLAGS: 00010282 # [ 40.844599] RAX: ffffffff98ce40d0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 40.852860] RDX: 0000000000000000 RSI: ffff9cd33ad9bf70 RDI: ffffffff99ad0fb0 # [ 40.861120] RBP: ffffffff99f0f118 R08: 0000000000000001 R09: 0000000000000001 # [ 40.869381] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 40.877644] R13: ffff9ff34135ff10 R14: ffff9ff34135ff10 R15: ffff9cd2c333d000 # [ 40.885906] FS: 00007fa666c9c580(0000) GS:ffff9cd33ad00000(0000) knlGS:0000000000000000 # [ 40.895236] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 40.901944] CR2: ffffffff99f30330 CR3: 00000001032aa004 CR4: 00000000003706e0 # [ 40.910204] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 40.920408] in_atomic(): 0, irqs_disabled<6>[ 51.371770] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO <6>[ 51.378872] lkdtm: attempting good copy_to_user of correct size <6>[ 51.385791] lkdtm: attempting bad copy_to_user of too large size (): 1, non_block: 0, pid: 1906, name: cat # [ 40.929155] INFO: lockdep is turned off. # [ 40.933821] irq event stamp: 0 # [ 40.937517] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 40.944807] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 40.954234] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 40.963659] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 40.970948] CPU: 2 PID: 1906 Comm: cat Tainted: G D W 5.10.164-cip24 #1 # [ 40.979888] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 40.986983] Call Trace: # [ 40.990025] dump_stack+0x77/0x9b # [ 40.994025] ___might_sleep.cold+0xa6/0xb6 # [ 40.998890] exit_signals+0x1c/0x2e0 # [ 41.003169] do_exit+0xc2/0xaf0 # [ 41.006964] ? ksys_write+0x68/0xf0 # [ 41.011141] rewind_stack_do_exit+0x17/0x20 # [ 41.016111] RIP: 0033:0x7fa666bb2833 # [ 41.020393] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 41.041670] RSP: 002b:00007f<6>[ 51.508105] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM fc1efd4ff8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 41<6>[ 51.518130] lkdtm: attempting good copy_from_user of correct size .050409] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f<6>[ 51.531442] lkdtm: attempting bad copy_from_user of too large size a666bb2833 # [ 41.058671] RDX: 0000000000000014 RSI: 00007fa666aa5000 RDI: 0000000000000001 # [ 41.066929] RBP: 00007fa666aa5000 R08: 00007fa666aa4010 R09: 0000000000000000 # [ 41.075189] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 41.083451] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # WRITE_RO_AFTER_INIT: saw 'call trace:': ok ok 40 selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # selftests: lkdtm: WRITE_KERN.sh # Killed # [ 41.252749] lkdtm: Performing direct entry WRITE_KERN # [ 41.259294] lkdtm: attempting bad 6685725 byte write at ffffffff993448bd # [ 41.273305] BUG: unable to handle page fault for address: ffffffff993448bd # [ 41.287467] #PF: supervisor write access in kernel mode # [ 41.293594] #PF: error_code(0x0003) - permissions violation # [ 41.300107] PGD 16ce29067 P4D 16ce29067 PUD 16ce2a063 PMD 16c0000e1 # [ 41.307500] Oops: 0003 [#16] SMP PTI # [ 41.317993] CPU: 1 PID: 1941 Comm: cat Tainted: G D W 5.10.164-cip24 #1 # [ 41.326959] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 41.340274] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e # [ 41.345721] Code: 53 48 c7 c3 bd 48 34 9<6>[ 51.659634] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO <6>[ 51.670557] lkdtm: attempting good copy_to_user inside whitelist 9 49 89 dc 48 89 da 49 81 ec a0 44 ce 98 4c 89 e6 e8 e3 97 fd ff<6>[ 51.677573] lkdtm: attempting bad copy_to_user outside whitelist 48 89 df 4c 89 e1 48 c7 c6 a0 44 ce 98 a4 48 c7 c7 68 4a eb 99 e8 c8 97 fd ff 5b 41 5c e9 b7 fe ff ff # [ 41.373210] RSP: 0018:ffff9ff3427f7e50 EFLAGS: 00010246 # [ 41.379335] RAX: 000000000000003c RBX: ffffffff993448bd RCX: 000000000066041d # [ 41.387596] RDX: 0000000000000000 RSI: ffffffff98ce44a0 RDI: ffffffff993448bd # [ 41.395858] RBP: ffffffff99eb3c72 R08: 0000000000000000 R09: 0000000000000000 # [ 41.404121] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000066041d # [ 41.412381] R13: ffff9ff3427f7f10 R14: ffff9ff3427f7f10 R15: ffff9cd2c4ed9000 # [ 41.420643] FS: 00007f6f994c6580(0000) GS:ffff9cd33ac80000(0000) knlGS:0000000000000000 # [ 41.429970] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 41.436670] CR2: ffffffff993448bd CR3: 0000000103df0001 CR4: 00000000003706e0 # [ 41.444933] Call Trace: # [ 41.447952] direct_entry.cold+0x2c/0x38 # [ 41.452623] full_proxy_write+0x53/0x80 # [ 41.463409] vfs_write+0xe7/0x3a0 # [ 41.467399] ksys_write+0x68/0xf0 # [ 41.477600] do_syscall_64+0x30/0x40 # [ 41.481881] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 41.494026] RIP: 0033:0x7f6f993dc833 # [ 41.498307] Code: 8b 15 <6>[ 51.807906] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 6<6>[ 51.816674] lkdtm: attempting good copy_from_user inside whitelist 4 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d <6>[ 51.830125] lkdtm: attempting bad copy_from_user outside whitelist 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 41.519582] RSP: 002b:00007ffd464e18b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 41.528329] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f6f993dc833 # [ 41.536590] RDX: 000000000000000b RSI: 00007f6f992cf000 RDI: 0000000000000001 # [ 41.544851] RBP: 00007f6f992cf000 R08: 00007f6f992ce010 R09: 0000000000000000 # [ 41.553111] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 41.561373] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 41.569639] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 41.602572] CR2: ffffffff993448bd # [ 41.606561] ---[ end trace 803147a0d9c26607 ]--- # [ 41.612023] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 41.616693] Code: 89 ff e8 9e 6a 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 65 92 02 # [ 41.644<6>[ 51.957390] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO <6>[ 51.968969] lkdtm: good_stack: ffff9ff3434cfe20-ffff9ff3434cfe40 <6>[ 51.975993] lkdtm: bad_stack : ffff9ff3434cfda8-ffff9ff3434cfdc8 <6>[ 51.983006] lkdtm: attempting good copy_to_user of local stack <6>[ 51.989829] lkdtm: attempting bad copy_to_user of distant stack 180] RSP: 0018:ffff9ff34135fe60 EFLAGS: 00010282 # [ 41.650305] RAX: ffffffff98ce40d0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 41.658565] RDX: 0000000000000000 RSI: ffff9cd33ad9bf70 RDI: ffffffff99ad0fb0 # [ 41.666828] RBP: ffffffff99f0f118 R08: 0000000000000001 R09: 0000000000000001 # [ 41.675090] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 41.683351] R13: ffff9ff34135ff10 R14: ffff9ff34135ff10 R15: ffff9cd2c333d000 # [ 41.691612] FS: 00007f6f994c6580(0000) GS:ffff9cd33ac80000(0000) knlGS:0000000000000000 # [ 41.700940] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 41.707648] CR2: ffffffff993448bd CR3: 0000000103df0001 CR4: 00000000003706e0 # WRITE_KERN: saw 'call trace:': ok ok 41 selftests: lkdtm: WRITE_KERN.sh # selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # [ 41.832905] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 41.841019] lkdtm: attempting good refcount_inc() without overflow # [ 41.848243] lkdtm: attempting bad refcount_inc() overflow # [ 41.854579] ------------[ cut here ]------------ # [ 41.860035] refcount_t: saturated; leaking memory. # [ 41.865691] WARNING: CPU: 2 PID: 1976 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 41.881612] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_cor<6>[ 52.121822] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM <6>[ 52.134707] lkdtm: good_stack: ffff9ff343537e20-ffff9ff343537e40 <6>[ 52.141739] lkdtm: bad_stack : ffff9ff343537da8-ffff9ff343537dc8 <6>[ 52.148777] lkdtm: attempting good copy_from_user of local stack e industrialio_triggered_buffer kfifo_buf industrialio cros_ec_l<6>[ 52.155800] lkdtm: attempting bad copy_from_user of distant stack ightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 41.908371] CPU: 2 PID: 1976 Comm: cat Tainted: G D W 5.10.164-cip24 #1 # [ 41.923523] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 41.930622] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 41.936750] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 52 ef 93 01 00 75 ee 48 c7 c7 08 f3 e4 99 c6 05 42 ef 93 01 01 e8 56 97 95 00 <0f> 0b c3 cc cc cc cc 80 3d 2e ef 93 01 00 75 cb 48 c7 c7 30 f3 e4 # [ 41.958032] RSP: 0018:ffff9ff342847e48 EFLAGS: 00010286 # [ 41.970376] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 # [ 41.978646] RDX: ffff9cd33ad2c660 RSI: ffff9cd33ad1bf70 RDI: ffff9cd33ad1bf70 # [ 41.993126] RBP: ffffffff99eb3c7d R08: 0000000000000000 R09: 0000000000000000 # [ 42.007606] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 42.022093] R13: ffff9ff342847f10 R14: ffff9ff342847f10 R15: ffff9cd2c3ba0000 # [ 42.030389] FS: 00007f4a9666d580(0000) GS:ffff9cd33ad00000(0000) knlGS:0000000000000000 # [ 42.039727] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ <6>[ 52.285955] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND <6>[ 52.294236] lkdtm: good_stack: ffff9ff3435d7e20-ffff9ff3435d7e40 42.046470] CR2: 00007f4a96476000 CR3: 0000000103f52002 CR4: 00<6>[ 52.301252] lkdtm: bad_stack : ffff9ff3435d7ff8-ffff9ff3435d8018 <6>[ 52.314473] lkdtm: attempting good copy_to_user of local stack <6>[ 52.321294] lkdtm: attempting bad copy_to_user of distant stack 000000003706e0 # [ 42.054793] Call Trace: # [ 42.057836] <4>[ 52.328230] lkdtm: copy_to_user failed, but lacked Oops lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 # [ 42.069684] direct_entry.cold+0x2c/0x38 # [ 42.074388] full_proxy_write+0x53/0x80 # [ 42.079015] vfs_write+0xe7/0x3a0 # [ 42.083020] ksys_write+0x68/0xf0 # [ 42.093245] do_syscall_64+0x30/0x40 # [ 42.097545] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 42.109689] RIP: 0033:0x7f4a96583833 # [ 42.114029] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 42.135319] RSP: 002b:00007ffd070af028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 42.150279] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f4a96583833 # [ 42.158544] RDX: 0000000000000016 RSI: 00007f4a96476000 RDI: 0000000000000001 # [ 42.166811] RBP: 00007f4a96476000 R08: 00007f4a96475010 R09: 0000000000000000 # [ 42.175083] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 42.183348] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 42.191619] irq event stamp: 0 # [ 42.195345] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 42.208851] har<6>[ 52.455865] lkdtm: Performing direct entry USERCOPY_KERNEL dirqs last disabled at (0): [] copy_process+0x<6>[ 52.465248] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff99ad1450 664/0x1cb0 # [ 42.218312] softirqs last enabled at (0): [[ 52.480452] lkdtm: attempting bad copy_to_user from kernel text: ffffffff986e3ab0 ffffff98500cb4>] copy_process+0x664/0x1cb0 # [ 42.227743] sof<3>[ 52.495373] lkdtm: FAIL: survived bad copy_to_user() tirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 42.235041] ---[ end trace 803147a0d9c26608 ]--- # [ 42.240495] 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 # [ 42.381888] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 42.389824] lkdtm: attempting good refcount_add() without overflow # [ 42.397027] lkdtm: attempting bad refcount_add() overflow # [ 42.403367] ------------[ cut here ]------------ # [ 42.415028] refcount_t: saturated; leaking memory. # [ 42.426912] WARNING: CPU: 3 PID: 2008 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 42.436640] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 42.469572] CPU: 3 PID: 2008 Comm: cat Tainted: G D W 5.10.164-cip24 #1 # [ 42.478547] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 42.485648] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 42.491808] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 52 ef 93 01 00 75 ee 48 c7 c7 08 f3 e4 99 c6 05 <6>[ 52.637341] lkdtm: Performing direct entry STACKLEAK_ERASING <6>[ 52.644447] lkdtm: checking unused part of the thread stack (15928 bytes)... <3>[ 52.652628] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) <3>[ 52.660706] lkdtm: FAIL: the thread stack is NOT properly erased <4>[ 52.667716] CPU: 3 PID: 2877 Comm: cat Tainted: G D W 5.10.164-cip24 #1 <4>[ 52.676681] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 52.683777] Call Trace: <4>[ 52.686800] dump_stack+0x77/0x9b <4>[ 52.690820] lkdtm_STACKLEAK_ERASING+0x116/0x144 <4>[ 52.696267] direct_entry.cold+0x2c/0x38 <4>[ 52.700938] full_proxy_write+0x53/0x80 <4>[ 52.705513] vfs_write+0xe7/0x3a0 <4>[ 52.709502] ksys_write+0x68/0xf0 <4>[ 52.713493] do_syscall_64+0x30/0x40 <4>[ 52.717774] entry_SYSCALL_64_after_hwframe+0x61/0xc6 <4>[ 52.723707] RIP: 0033:0x7fccf55d1833 <4>[ 52.727988] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 52.749263] RSP: 002b:00007ffd885626b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 52.758021] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fccf55d1833 <4>[ 52.766280] RDX: 0000000000000012 RSI: 00007fccf54c4000 RDI: 0000000000000001 <4>[ 52.774540] RBP: 00007fccf54c4000 R08: 00007fccf54c3010 R09: 0000000000000000 <4>[ 52.782802] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 52.791070] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 42 ef 93 01 01 e8 56 97 95 00 <0f> 0b c3 cc cc cc cc 80 3d 2e ef 93 01 00 75 cb 48 c7 c7 30 f3 e4 # [ 42.513090] RSP: 0018:ffff9ff3428f7e48 EFLAGS: 00010286 # [ 42.519224] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 # [ 42.527488] RDX: ffff9cd33adac660 RSI: ffff9cd33ad9bf70 RDI: ffff9cd33ad9bf70 # [ 42.535754] RBP: ffffffff99eb3c93 R08: 0000000000000000 R09: 0000000000000000 # [ 42.544031] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 42.558509] R13: ffff9ff3428f7f10 R14: ffff9ff3428f7f10 R15: ffff9cd2c29b7000 # [ 42.566776] FS: 00007f6edf9c0580(0000) GS:ffff9cd33ad80000(0000) knlGS:0000000000000000 # [ 42.576110] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 42.582821] CR2: 00007f6edf7c9000 CR3: 00000001033e6004 CR4: 00000000003706e0 # [ 42.591088] Call Trace: # [ 42.594113] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 # [ 42.599792] direct_entry.cold+0x2c/0x38 # [ 42.604496] full_proxy_write+0x53/0x80 # [ 42.615279] vfs_write+0xe7/0x3a0 # [ 42.619303] ksys_write+0x68/0xf0 # [ 42.623328] do_syscall_64+0x30/0x40 # [ 42.627646] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 42.633613] RIP: 0033:0x7f6edf8d6833 # [ 42.637897] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 42.659175] RSP: 002b:00007ffdf3cea268 EFLAGS: 00000246 ORIG_RAX: 0000000000000<6>[ 52.943701] lkdtm: Performing direct entry CFI_FORWARD_PROTO <6>[ 52.955175] lkdtm: Calling matched prototype ... <6>[ 52.960658] lkdtm: Calling mismatched prototype ... <6>[ 52.966417] lkdtm: Fail: survived mismatched prototype function call! 001 # [ 42.667929] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f6edf8d6833 # [ 42.682407] RDX: 0000000000000016 RSI: 00007f6edf7c9000 RDI: 0000000000000001 # [ 42.696889] RBP: 00007f6edf7c9000 R08: 00007f6edf7c8010 R09: 0000000000000000 # [ 42.705156] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 42.713421] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 42.721689] irq event stamp: 0 # [ 42.725414] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 42.738929] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 42.748413] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 42.757849] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 42.771355] ---[ end trace 803147a0d9c26609 ]--- # [ 42.776804] 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 # [ 42.887220] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 42.895937] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 42.903164] ------------[ cut here ]------------ # [ 42.908614] refcount_t: saturated; leaking memory. # [ 42.914307] WARNING: CPU: 3 PID: 2040 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 42.924035] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 42.956969] CPU: 3 PID: 2040 Comm: cat Tainted: G D W 5.10.164-cip24 #1 # [ 42.965921] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 42.979242] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 42.985400] Code: 01 01 e8 33 97 95 00 0f 0b c3 cc cc cc cc 80 3d 0d ef 93 01 00 75 a8 48 c7 c7 08 f3 e4 99 c6 05 fd ee 93 01 01 e8 10 97 95 00 <0f> 0b c3 cc cc cc cc 80 3d e7 ee 93 01 00 75 85 48 c7 c7 60 f3 e4 # [ 43.012891] RSP: 0018:ffff9ff342847e38 EFLAGS: 00010282 # [ 43.019052] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 43.033534] RDX: ffff9cd33adac660 RSI: ffff9cd33ad9bf70 RDI: ffff9cd33ad9bf70 # [ 43.041799] RBP: ffffffff99eb38d0 R08: 0000000000000000 R09: 0000000000000000 # [ 43.050078] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 43.058346] R13: ffff9ff342847f10 R14: ffff9ff342847f10 R15: ffff9cd2c3057000 # [ 43.066612] FS: 00007f4a3c841580(0000) GS:ffff9cd33ad80000(0000) knlGS:0000000000000000 # [ 43.075945] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 43.082659] CR2: 00007f4a3c64a000 CR3: 0000000103f52002 CR4: 00000000003706e0 # [ 43.090924] Call Trace: # [ 43.093950] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 43.100403] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 43.106922] direct_entry.cold+0x2c/0x38 # [ 43.111625] full_proxy_write+0x53/0x80 # [ 43.116235] vfs_write+0xe7/0x3a0 # [ 43.120258] ksys_write+0x68/0xf0 # [ 43.124252] do_syscall_64+0x30/0x40 # [ 43.128567] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 43.134504] RIP: 0033:0x7f4a3c757833 # [ 43.138787] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 43.160084] RSP: 002b:00007ffd1804a948 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 43.168866] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f4a3c757833 # [ 43.177133] RDX: 000000000000001f RSI: 00007f4a3c64a000 RDI: 0000000000000001 # [ 43.185399] RBP: 00007f4a3c64a000 R08: 00007f4a3c649010 R09: 0000000000000000 # [ 43.193666] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 43.201931] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 43.210202] irq event stamp: 0 # [ 43.213932] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 43.221228] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 43.230663] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 43.240124] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 43.247420] ---[ end trace 803147a0d9c2660a ]--- # [ 43.259085] 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 # [ 43.374002] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 43.384218] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 43.391417] ------------[ cut here ]------------ # [ 43.396868] refcount_t: saturated; leaking memory. # [ 43.402541] WARNING: CPU: 3 PID: 2072 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 43.412263] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 43.445191] CPU: 3 PID: 2072 Comm: cat Tainted: G D W 5.10.164-cip24 #1 # [ 43.454136] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 43.461237] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 43.467365] Code: 01 01 e8 33 97 95 00 0f 0b c3 cc cc cc cc 80 3d 0d ef 93 01 00 75 a8 48 c7 c7 08 f3 e4 99 c6 05 fd ee 93 01 01 e8 10 97 95 00 <0f> 0b c3 cc cc cc cc 80 3d e7 ee 93 01 00 75 85 48 c7 c7 60 f3 e4 # [ 43.488646] RSP: 0018:ffff9ff3429efe38 EFLAGS: 00010282 # [ 43.494776] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 43.503041] RDX: ffff9cd33adac660 RSI: ffff9cd33ad9bf70 RDI: ffff9cd33ad9bf70 # [ 43.511305] RBP: ffffffff99eb38f0 R08: 0000000000000000 R09: 0000000000000000 # [ 43.519570] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 43.527834] R13: ffff9ff3429eff10 R14: ffff9ff3429eff10 R15: ffff9cd2c5d3b000 # [ 43.536098] FS: 00007fbef351a580(0000) GS:ffff9cd33ad80000(0000) knlGS:0000000000000000 # [ 43.551651] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 43.558390] CR2: 00007fbef3323000 CR3: 00000001040ee003 CR4: 00000000003706e0 # [ 43.566656] Call Trace: # [ 43.569681] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 43.576134] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 43.588881] direct_entry.cold+0x2c/0x38 # [ 43.593572] full_proxy_write+0x53/0x80 # [ 43.604349] vfs_write+0xe7/0x3a0 # [ 43.608365] ksys_write+0x68/0xf0 # [ 43.612391] do_syscall_64+0x30/0x40 # [ 43.616707] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 43.622673] RIP: 0033:0x7fbef3430833 # [ 43.626958] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 43.648268] RSP: 002b:00007ffda7776418 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 43.657029] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fbef3430833 # [ 43.665302] RDX: 000000000000001f RSI: 00007fbef3323000 RDI: 0000000000000001 # [ 43.679777] RBP: 00007fbef3323000 R08: 00007fbef3322010 R09: 0000000000000000 # [ 43.688043] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 43.696308] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 43.704579] irq event stamp: 0 # [ 43.708312] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 43.715638] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 43.725086] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 43.734519] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 43.741815] ---[ end trace 803147a0d9c2660b ]--- # [ 43.747262] 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 # [ 43.883509] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 43.896016] lkdtm: attempting good refcount_dec() # [ 43.901591] lkdtm: attempting bad refcount_dec() to zero # [ 43.907860] ------------[ cut here ]------------ # [ 43.913334] refcount_t: decrement hit 0; leaking memory. # [ 43.919593] WARNING: CPU: 2 PID: 2104 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 43.929326] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 43.962257] CPU: 2 PID: 2104 Comm: cat Tainted: G D W 5.10.164-cip24 #1 # [ 43.971234] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 43.978339] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 43.984500] Code: b8 f3 e4 99 c6 05 ae ee 93 01 01 e8 c6 96 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 88 f3 e4 99 c6 05 95 ee 93 01 01 e8 ac 96 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 44.005783] RSP: 0018:ffff9ff342a3fe48 EFLAGS: 00010286 # [ 44.011941] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 # [ 44.020207] RDX: ffff9cd33ad2c660 RSI: ffff9cd33ad1bf70 RDI: ffff9cd33ad1bf70 # [ 44.028472] RBP: ffffffff99eb3ca9 R08: 0000000000000000 R09: 0000000000000000 # [ 44.036769] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 44.045036] R13: ffff9ff342a3ff10 R14: ffff9ff342a3ff10 R15: ffff9cd2c4d33000 # [ 44.053302] FS: 00007f311a23f580(0000) GS:ffff9cd33ad00000(0000) knlGS:0000000000000000 # [ 44.062634] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 44.069346] CR2: 00007f311a048000 CR3: 0000000103f96001 CR4: 00000000003706e0 # [ 44.077611] Call Trace: # [ 44.080639] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd # [ 44.085926] direct_entry.cold+0x2c/0x38 # [ 44.090634] full_proxy_write+0x53/0x80 # [ 44.095241] vfs_write+0xe7/0x3a0 # [ 44.099265] ksys_write+0x68/0xf0 # [ 44.109464] do_syscall_64+0x30/0x40 # [ 44.113779] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 44.119744] RIP: 0033:0x7f311a155833 # [ 44.124031] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 44.145315] RSP: 002b:00007ffc824c5608 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 44.154097] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f311a155833 # [ 44.162363] RDX: 0000000000000012 RSI: 00007f311a048000 RDI: 0000000000000001 # [ 44.170631] RBP: 00007f311a048000 R08: 00007f311a047010 R09: 0000000000000000 # [ 44.185112] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 44.199595] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 44.207896] irq event stamp: 0 # [ 44.211619] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 44.225126] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 44.234609] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 44.244054] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 44.257555] ---[ end trace 803147a0d9c2660c ]--- # [ 44.263026] 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 # [ 44.379567] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 44.386926] lkdtm: attempting bad refcount_dec() below zero # [ 44.399665] ------------[ cut here ]------------ # [ 44.411326] refcount_t: decrement hit 0; leaking memory. # [ 44.423812] WARNING: CPU: 0 PID: 2139 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 44.439721] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 44.472716] CPU: 0 PID: 2139 Comm: cat Tainted: G D W 5.10.164-cip24 #1 # [ 44.487854] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 44.501266] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 44.513511] Code: b8 f3 e4 99 c6 05 ae ee 93 01 01 e8 c6 96 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 88 f3 e4 99 c6 05 95 ee 93 01 01 e8 ac 96 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 44.541025] RSP: 0018:ffff9ff342ae7e48 EFLAGS: 00010286 # [ 44.553379] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 # [ 44.567899] RDX: ffff9cd33ac2c660 RSI: ffff9cd33ac1bf70 RDI: ffff9cd33ac1bf70 # [ 44.582360] RBP: ffffffff99eb3cbb R08: 0000000000000000 R09: 0000000000000000 # [ 44.596881] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 44.611346] R13: ffff9ff342ae7f10 R14: ffff9ff342ae7f10 R15: ffff9cd2c4b8f000 # [ 44.625873] FS: 00007fc24e33f580(0000) GS:ffff9cd33ac00000(0000) knlGS:0000000000000000 # [ 44.641408] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 44.654392] CR2: 00007fc24e148000 CR3: 0000000104150006 CR4: 00000000003706f0 # [ 44.668819] Call Trace: # [ 44.678071] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 # [ 44.689948] direct_entry.cold+0x2c/0x38 # [ 44.700870] full_proxy_write+0x53/0x80 # [ 44.711683] vfs_write+0xe7/0x3a0 # [ 44.721926] ksys_write+0x68/0xf0 # [ 44.732134] do_syscall_64+0x30/0x40 # [ 44.742692] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 44.754814] RIP: 0033:0x7fc24e255833 # [ 44.765363] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 44.792848] RSP: 002b:00007ffcd79171d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 44.807823] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fc24e255833 # [ 44.822298] RDX: 0000000000000016 RSI: 00007fc24e148000 RDI: 0000000000000001 # [ 44.836800] RBP: 00007fc24e148000 R08: 00007fc24e147010 R09: 0000000000000000 # [ 44.851271] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 44.865760] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 44.880260] irq event stamp: 0 # [ 44.890200] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 44.903704] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 44.919385] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 44.935035] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 44.948574] ---[ end trace 803147a0d9c2660d ]--- # [ 44.960230] 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 # [ 45.096851] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 45.110188] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 45.117614] ------------[ cut here ]------------ # [ 45.123093] refcount_t: underflow; use-after-free. # [ 45.128762] WARNING: CPU: 2 PID: 2174 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 45.138493] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 45.171422] CPU: 2 PID: 2174 Comm: cat Tainted: G D W 5.10.164-cip24 #1 # [ 45.180391] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 45.187491] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 45.193620] Code: 01 01 e8 10 97 95 00 0f 0b c3 cc cc cc cc 80 3d e7 ee 93 01 00 75 85 48 c7 c7 60 f3 e4 99 c6 05 d7 ee 93 01 01 e8 ed 96 95 00 <0f> 0b c3 cc cc cc cc 80 3d c2 ee 93 01 00 0f 85 5e ff ff ff 48 c7 # [ 45.214903] RSP: 0018:ffff9ff342b7fe40 EFLAGS: 00010286 # [ 45.221032] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 # [ 45.229301] RDX: ffff9cd33ad2c660 RSI: ffff9cd33ad1bf70 RDI: ffff9cd33ad1bf70 # [ 45.243777] RBP: ffffffff99eb3910 R08: 0000000000000000 R09: 0000000000000000 # [ 45.252044] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 45.266527] R13: ffff9ff342b7ff10 R14: ffff9ff342b7ff10 R15: ffff9cd2c3288000 # [ 45.281028] FS: 00007f907d09b580(0000) GS:ffff9cd33ad00000(0000) knlGS:0000000000000000 # [ 45.296577] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 45.303289] CR2: 00007f907cea4000 CR3: 00000001029f4006 CR4: 00000000003706e0 # [ 45.311577] Call Trace: # [ 45.314615] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 45.327238] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 # [ 45.333759] direct_entry.cold+0x2c/0x38 # [ 45.338463] full_proxy_write+0x53/0x80 # [ 45.343076] vfs_write+0xe7/0x3a0 # [ 45.347092] ksys_write+0x68/0xf0 # [ 45.351084] do_syscall_64+0x30/0x40 # [ 45.355392] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 45.361327] RIP: 0033:0x7f907cfb1833 # [ 45.365609] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 45.386888] RSP: 002b:00007ffc15d33f08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 45.395639] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f907cfb1833 # [ 45.403904] RDX: 000000000000001f RSI: 00007f907cea4000 RDI: 0000000000000001 # [ 45.412170] RBP: 00007f907cea4000 R08: 00007f907cea3010 R09: 0000000000000000 # [ 45.420434] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 45.428698] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 45.436968] irq event stamp: 0 # [ 45.440692] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 45.447988] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 45.457445] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 45.473083] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 45.480378] ---[ end trace 803147a0d9c2660e ]--- # [ 45.485826] 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 # [ 45.626392] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 45.635832] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 45.643246] ------------[ cut here ]------------ # [ 45.648712] refcount_t: underflow; use-after-free. # [ 45.654379] WARNING: CPU: 2 PID: 2209 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 45.664108] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 45.690852] CPU: 2 PID: 2209 Comm: cat Tainted: G D W 5.10.164-cip24 #1 # [ 45.699820] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 45.706923] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 45.713066] Code: 01 01 e8 10 97 95 00 0f 0b c3 cc cc cc cc 80 3d e7 ee 93 01 00 75 85 48 c7 c7 60 f3 e4 99 c6 05 d7 ee 93 01 01 e8 ed 96 95 00 <0f> 0b c3 cc cc cc cc 80 3d c2 ee 93 01 00 0f 85 5e ff ff ff 48 c7 # [ 45.734376] RSP: 0018:ffff9ff342c0fe40 EFLAGS: 00010286 # [ 45.740506] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 # [ 45.748769] RDX: ffff9cd33ad2c660 RSI: ffff9cd33ad1bf70 RDI: ffff9cd33ad1bf70 # [ 45.757036] RBP: ffffffff99eb3930 R08: 0000000000000000 R09: 0000000000000000 # [ 45.765302] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 45.773567] R13: ffff9ff342c0ff10 R14: ffff9ff342c0ff10 R15: ffff9cd2c4fbd000 # [ 45.781831] FS: 00007f1f17030580(0000) GS:ffff9cd33ad00000(0000) knlGS:0000000000000000 # [ 45.791166] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 45.797877] CR2: 00007f1f16e39000 CR3: 00000001028dc006 CR4: 00000000003706e0 # [ 45.806141] Call Trace: # [ 45.809164] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 45.815616] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b # [ 45.822160] direct_entry.cold+0x2c/0x38 # [ 45.826865] full_proxy_write+0x53/0x80 # [ 45.831441] vfs_write+0xe7/0x3a0 # [ 45.835432] ksys_write+0x68/0xf0 # [ 45.839426] do_syscall_64+0x30/0x40 # [ 45.843734] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 45.849669] RIP: 0033:0x7f1f16f46833 # [ 45.853952] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 45.875233] RSP: 002b:00007ffcc9eee268 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 45.883983] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f1f16f46833 # [ 45.892248] RDX: 000000000000001f RSI: 00007f1f16e39000 RDI: 0000000000000001 # [ 45.900512] RBP: 00007f1f16e39000 R08: 00007f1f16e38010 R09: 0000000000000000 # [ 45.908779] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 45.923260] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 45.937746] irq event stamp: 0 # [ 45.941471] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 45.954977] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 45.970625] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 45.986276] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 45.999784] ---[ end trace 803147a0d9c2660f ]--- # [ 46.011441] 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 # [ 46.137377] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 46.147738] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 46.155143] lkdtm: Good: zero detected # [ 46.159636] lkdtm: Correctly stayed at zero # [ 46.164607] lkdtm: attempting bad refcount_inc() from zero # [ 46.171034] ------------[ cut here ]------------ # [ 46.176484] refcount_t: addition on 0; use-after-free. # [ 46.188756] WARNING: CPU: 3 PID: 2241 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 46.198485] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 46.231414] CPU: 3 PID: 2241 Comm: cat Tainted: G D W 5.10.164-cip24 #1 # [ 46.240388] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 46.247490] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 46.253643] Code: 01 01 e8 56 97 95 00 0f 0b c3 cc cc cc cc 80 3d 2e ef 93 01 00 75 cb 48 c7 c7 30 f3 e4 99 c6 05 1e ef 93 01 01 e8 33 97 95 00 <0f> 0b c3 cc cc cc cc 80 3d 0d ef 93 01 00 75 a8 48 c7 c7 08 f3 e4 # [ 46.274946] RSP: 0018:ffff9ff342c9fe48 EFLAGS: 00010286 # [ 46.281087] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 # [ 46.295558] RDX: ffff9cd33adac660 RSI: ffff9cd33ad9bf70 RDI: ffff9cd33ad9bf70 # [ 46.303822] RBP: ffffffff99eb3cd1 R08: 0000000000000000 R09: 0000000000000000 # [ 46.312105] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 46.320370] R13: ffff9ff342c9ff10 R14: ffff9ff342c9ff10 R15: ffff9cd2c5c56000 # [ 46.334846] FS: 00007f24b3c42580(0000) GS:ffff9cd33ad80000(0000) knlGS:0000000000000000 # [ 46.344180] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 46.350891] CR2: 00007f24b3a4b000 CR3: 0000000103736003 CR4: 00000000003706e0 # [ 46.359155] Call Trace: # [ 46.362177] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 # [ 46.367462] direct_entry.cold+0x2c/0x38 # [ 46.372156] full_proxy_write+0x53/0x80 # [ 46.376756] vfs_write+0xe7/0x3a0 # [ 46.380772] ksys_write+0x68/0xf0 # [ 46.384765] do_syscall_64+0x30/0x40 # [ 46.389060] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 46.395028] RIP: 0033:0x7f24b3b58833 # [ 46.399312] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 46.420590] RSP: 002b:00007fff1c6e7968 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 46.429342] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f24b3b58833 # [ 46.437606] RDX: 0000000000000012 RSI: 00007f24b3a4b000 RDI: 0000000000000001 # [ 46.445869] RBP: 00007f24b3a4b000 R08: 00007f24b3a4a010 R09: 0000000000000000 # [ 46.454134] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 46.462400] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 46.470669] irq event stamp: 0 # [ 46.474399] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 46.481694] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 46.491128] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 46.506773] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 46.520284] ---[ end trace 803147a0d9c26610 ]--- # [ 46.525733] 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 # [ 46.641466] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 46.649222] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 46.662834] lkdtm: Good: zero detected # [ 46.673555] lkdtm: Correctly stayed at zero # [ 46.684741] lkdtm: attempting bad refcount_add() from zero # [ 46.697372] ------------[ cut here ]------------ # [ 46.709038] refcount_t: addition on 0; use-after-free. # [ 46.721305] WARNING: CPU: 0 PID: 2273 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 46.737236] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 46.770200] CPU: 0 PID: 2273 Comm: cat Tainted: G D W 5.10.164-cip24 #1 # [ 46.785352] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 46.798696] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 46.811097] Code: 01 01 e8 56 97 95 00 0f 0b c3 cc cc cc cc 80 3d 2e ef 93 01 00 75 cb 48 c7 c7 30 f3 e4 99 c6 05 1e ef 93 01 01 e8 33 97 95 00 <0f> 0b c3 cc cc cc cc 80 3d 0d ef 93 01 00 75 a8 48 c7 c7 08 f3 e4 # [ 46.838539] RSP: 0018:ffff9ff342d3fe48 EFLAGS: 00010286 # [ 46.850938] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 # [ 46.865378] RDX: ffff9cd33ac2c660 RSI: ffff9cd33ac1bf70 RDI: ffff9cd33ac1bf70 # [ 46.879876] RBP: ffffffff99eb3ce3 R08: 0000000000000000 R09: 0000000000000000 # [ 46.894341] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 46.908865] R13: ffff9ff342d3ff10 R14: ffff9ff342d3ff10 R15: ffff9cd2c5d90000 # [ 46.923322] FS: 00007f3c2116c580(0000) GS:ffff9cd33ac00000(0000) knlGS:0000000000000000 # [ 46.938881] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 46.951809] CR2: 00007f3c20f75000 CR3: 0000000103f2e006 CR4: 00000000003706f0 # [ 46.966279] Call Trace: # [ 46.975527] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 # [ 46.987001] direct_entry.cold+0x2c/0x38 # [ 46.997873] full_proxy_write+0x53/0x80 # [ 47.008688] vfs_write+0xe7/0x3a0 # [ 47.018886] ksys_write+0x68/0xf0 # [ 47.029104] do_syscall_64+0x30/0x40 # [ 47.039586] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 47.051763] RIP: 0033:0x7f3c21082833 # [ 47.062212] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 47.089711] RSP: 002b:00007ffc148bd048 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 47.104675] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f3c21082833 # [ 47.119160] RDX: 0000000000000012 RSI: 00007f3c20f75000 RDI: 0000000000000001 # [ 47.133638] RBP: 00007f3c20f75000 R08: 00007f3c20f74010 R09: 0000000000000000 # [ 47.148128] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 47.162627] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 47.177119] irq event stamp: 0 # [ 47.187037] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 47.200573] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 47.216229] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 47.231895] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 47.245410] ---[ end trace 803147a0d9c26611 ]--- # [ 47.257041] 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 # [ 47.382554] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 47.393397] lkdtm: attempting bad refcount_inc() from saturated # [ 47.406519] ------------[ cut here ]------------ # [ 47.418183] refcount_t: saturated; leaking memory. # [ 47.430066] WARNING: CPU: 1 PID: 2308 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 47.446012] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 47.478951] CPU: 1 PID: 2308 Comm: cat Tainted: G D W 5.10.164-cip24 #1 # [ 47.494140] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 47.507450] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 47.519773] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 52 ef 93 01 00 75 ee 48 c7 c7 08 f3 e4 99 c6 05 42 ef 93 01 01 e8 56 97 95 00 <0f> 0b c3 cc cc cc cc 80 3d 2e ef 93 01 00 75 cb 48 c7 c7 30 f3 e4 # [ 47.547270] RSP: 0018:ffff9ff342dcfe48 EFLAGS: 00010286 # [ 47.553401] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 # [ 47.567876] RDX: ffff9cd33acac660 RSI: ffff9cd33ac9bf70 RDI: ffff9cd33ac9bf70 # [ 47.576143] RBP: ffffffff99eb3cf5 R08: 0000000000000000 R09: 0000000000000000 # [ 47.590614] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 47.598879] R13: ffff9ff342dcff10 R14: ffff9ff342dcff10 R15: ffff9cd2c4e4d000 # [ 47.613352] FS: 00007fbf73551580(0000) GS:ffff9cd33ac80000(0000) knlGS:0000000000000000 # [ 47.622687] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 47.635607] CR2: 00007fbf7335a000 CR3: 0000000104134004 CR4: 00000000003706e0 # [ 47.643874] Call Trace: # [ 47.653106] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 # [ 47.665077] direct_entry.cold+0x2c/0x38 # [ 47.675969] full_proxy_write+0x53/0x80 # [ 47.686757] vfs_write+0xe7/0x3a0 # [ 47.696963] ksys_write+0x68/0xf0 # [ 47.700983] do_syscall_64+0x30/0x40 # [ 47.711478] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 47.717420] RIP: 0033:0x7fbf73467833 # [ 47.721706] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 47.742989] RSP: 002b:00007ffdef0d8938 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 47.757957] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fbf73467833 # [ 47.766220] RDX: 0000000000000017 RSI: 00007fbf7335a000 RDI: 0000000000000001 # [ 47.774486] RBP: 00007fbf7335a000 R08: 00007fbf73359010 R09: 0000000000000000 # [ 47.788968] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 47.797234] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 47.811732] irq event stamp: 0 # [ 47.821628] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 47.828948] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 47.844589] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 47.860235] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 47.867530] ---[ end trace 803147a0d9c26612 ]--- # [ 47.879190] 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 # [ 48.000952] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 48.012833] lkdtm: attempting bad refcount_dec() from saturated # [ 48.019763] ------------[ cut here ]------------ # [ 48.025214] refcount_t: decrement hit 0; leaking memory. # [ 48.031460] WARNING: CPU: 2 PID: 2343 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 48.047385] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 48.074136] CPU: 2 PID: 2343 Comm: cat Tainted: G D W 5.10.164-cip24 #1 # [ 48.089294] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 48.096445] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 48.102583] Code: b8 f3 e4 99 c6 05 ae ee 93 01 01 e8 c6 96 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 88 f3 e4 99 c6 05 95 ee 93 01 01 e8 ac 96 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 48.130074] RSP: 0018:ffff9ff342e57e48 EFLAGS: 00010286 # [ 48.136194] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 # [ 48.144458] RDX: ffff9cd33ad2c660 RSI: ffff9cd33ad1bf70 RDI: ffff9cd33ad1bf70 # [ 48.152722] RBP: ffffffff99eb3d0c R08: 0000000000000000 R09: 0000000000000000 # [ 48.160988] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 48.169278] R13: ffff9ff342e57f10 R14: ffff9ff342e57f10 R15: ffff9cd2c29d5000 # [ 48.177544] FS: 00007f2b50aa3580(0000) GS:ffff9cd33ad00000(0000) knlGS:0000000000000000 # [ 48.186878] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 48.193589] CR2: 00007f2b508ac000 CR3: 00000001029f4003 CR4: 00000000003706e0 # [ 48.201854] Call Trace: # [ 48.204880] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f # [ 48.210647] direct_entry.cold+0x2c/0x38 # [ 48.221528] full_proxy_write+0x53/0x80 # [ 48.226135] vfs_write+0xe7/0x3a0 # [ 48.230148] ksys_write+0x68/0xf0 # [ 48.234164] do_syscall_64+0x30/0x40 # [ 48.238471] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 48.244406] RIP: 0033:0x7f2b509b9833 # [ 48.248713] Code: 8b 15 61 26 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 # [ 48.269993] RSP: 002b:00007ffe146e9c18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 48.278769] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f2b509b9833 # [ 48.293246] RDX: 0000000000000017 RSI: 00007f2b508ac000 RDI: 0000000000000001 # [ 48.301512] RBP: 00007f2b508ac000 R08: 00007f2b508ab010 R09: 0000000000000000 # [ 48.315993] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 48.330472] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 48.338741] irq event stamp: 0 # [ 48.342464] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 48.355971] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 48.365402] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 48.374830] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 48.382123] ---[ end trace 803147a0d9c26613 ]--- # [ 48.387573] 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 # [ 48.507631] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 48.518919] lkdtm: attempting bad refcount_dec() from saturated # [ 48.525853] ------------[ cut here ]------------ # [ 48.531317] refcount_t: saturated; leaking memory. # [ 48.543192] WARNING: CPU: 3 PID: 2378 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 48.552924] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 48.585852] CPU: 3 PID: 2378 Comm: cat Tainted: G D W 5.10.164-cip24 #1 # [ 48.594828] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 48.608149] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 48.614308] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 52 ef 93 01 00 75 ee 48 c7 c7 08 f3 e4 99 c6 05 42 ef 93 01 01 e8 56 97 95 00 <0f> 0b c3 cc cc cc cc 80 3d 2e ef 93 01 00 75 cb 48 c7 c7 30 f3 e4 # [ 48.635589] RSP: 0018:ffff9ff342eefe48 EFLAGS: 00010286 # [ 48.641717] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 # [ 48.650009] RDX: ffff9cd33adac660 RSI: ffff9cd33ad9bf70 RDI: ffff9cd33ad9bf70 # [ 48.658286] RBP: ffffffff99eb3d23 R08: 0000000000000000 R09: 0000000000000000 # [ 48.672757] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 48.681024] R13: ffff9ff342eeff10 R14: ffff9ff342eeff10 R15: ffff9cd2c4e41000 # [ 48.689290] FS: 00007f8964413580(0000) GS:ffff9cd33ad80000(0000) knlGS:0000000000000000 # [ 48.698624] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 48.705335] CR2: 00007f896421c000 CR3: 0000000103d3c006 CR4: 00000000003706e0 # [ 48.713598] Call Trace: # [ 48.716620] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 # [ 48.722387] direct_entry.cold+0x2c/0x38 # [ 48.727093] full_proxy_write+0x53/0x80 # [ 48.731668] vfs_write+0xe7/0x3a0 # [ 48.735661] ksys_write+0x68/0xf0 # [ 48.739655] do_syscall_64+0x30/0x40 # [ 48.743937] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 48.749871] RIP: 0033:0x7f8964329833 # [ 48.754155] Code: 8b 15 61 26 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 # [ 48.775436] RSP: 002b:00007fff3eafa148 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 48.784187] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f8964329833 # [ 48.792451] RDX: 0000000000000017 RSI: 00007f896421c000 RDI: 0000000000000001 # [ 48.800717] RBP: 00007f896421c000 R08: 00007f896421b010 R09: 0000000000000000 # [ 48.808981] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 48.817244] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 48.825513] irq event stamp: 0 # [ 48.829238] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 48.842743] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 48.852172] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 48.861601] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 48.868895] ---[ end trace 803147a0d9c26614 ]--- # [ 48.880559] 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 # [ 49.007144] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 49.018961] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 49.026756] ------------[ cut here ]------------ # [ 49.032223] refcount_t: saturated; leaking memory. # [ 49.037891] WARNING: CPU: 3 PID: 2410 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 49.047621] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 49.074367] CPU: 3 PID: 2410 Comm: cat Tainted: G D W 5.10.164-cip24 #1 # [ 49.083335] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 49.090434] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 49.096562] Code: 01 01 e8 33 97 95 00 0f 0b c3 cc cc cc cc 80 3d 0d ef 93 01 00 75 a8 48 c7 c7 08 f3 e4 99 c6 05 fd ee 93 01 01 e8 10 97 95 00 <0f> 0b c3 cc cc cc cc 80 3d e7 ee 93 01 00 75 85 48 c7 c7 60 f3 e4 # [ 49.117842] RSP: 0018:ffff9ff342f87e38 EFLAGS: 00010282 # [ 49.123971] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 49.132237] RDX: ffff9cd33adac660 RSI: ffff9cd33ad9bf70 RDI: ffff9cd33ad9bf70 # [ 49.140501] RBP: ffffffff99eb3950 R08: 0000000000000000 R09: 0000000000000000 # [ 49.148764] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 49.157033] R13: ffff9ff342f87f10 R14: ffff9ff342f87f10 R15: ffff9cd2c3f29000 # [ 49.171515] FS: 00007fd3a9bf4580(0000) GS:ffff9cd33ad80000(0000) knlGS:0000000000000000 # [ 49.180873] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 49.187585] CR2: 00007fd3a99fd000 CR3: 0000000105c56002 CR4: 00000000003706e0 # [ 49.195849] Call Trace: # [ 49.198874] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 49.205325] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 # [ 49.212003] direct_entry.cold+0x2c/0x38 # [ 49.216677] full_proxy_write+0x53/0x80 # [ 49.227463] vfs_write+0xe7/0x3a0 # [ 49.231479] ksys_write+0x68/0xf0 # [ 49.235473] do_syscall_64+0x30/0x40 # [ 49.239780] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 49.245715] RIP: 0033:0x7fd3a9b0a833 # [ 49.250015] Code: 8b 15 61 26 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 # [ 49.271302] RSP: 002b:00007fff230ad508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 49.286265] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fd3a9b0a833 # [ 49.294529] RDX: 0000000000000020 RSI: 00007fd3a99fd000 RDI: 0000000000000001 # [ 49.302793] RBP: 00007fd3a99fd000 R08: 00007fd3a99fc010 R09: 0000000000000000 # [ 49.311075] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 49.319338] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 49.327608] irq event stamp: 0 # [ 49.331331] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 49.344838] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 49.354268] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 49.363698] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 49.370993] ---[ end trace 803147a0d9c26615 ]--- # [ 49.376440] 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 # [ 49.497094] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 49.508658] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 49.516447] ------------[ cut here ]------------ # [ 49.521906] refcount_t: saturated; leaking memory. # [ 49.533773] WARNING: CPU: 3 PID: 2442 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 49.549701] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 49.576450] CPU: 3 PID: 2442 Comm: cat Tainted: G D W 5.10.164-cip24 #1 # [ 49.591622] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 49.598735] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 49.611083] Code: 01 01 e8 33 97 95 00 0f 0b c3 cc cc cc cc 80 3d 0d ef 93 01 00 75 a8 48 c7 c7 08 f3 e4 99 c6 05 fd ee 93 01 01 e8 10 97 95 00 <0f> 0b c3 cc cc cc cc 80 3d e7 ee 93 01 00 75 85 48 c7 c7 60 f3 e4 # [ 49.632361] RSP: 0018:ffff9ff342fd7e38 EFLAGS: 00010282 # [ 49.638490] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 49.646754] RDX: ffff9cd33adac660 RSI: ffff9cd33ad9bf70 RDI: ffff9cd33ad9bf70 # [ 49.655024] RBP: ffffffff99eb3970 R08: 0000000000000000 R09: 0000000000000000 # [ 49.663290] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 49.677767] R13: ffff9ff342fd7f10 R14: ffff9ff342fd7f10 R15: ffff9cd2c54cd000 # [ 49.686033] FS: 00007f83fd17f580(0000) GS:ffff9cd33ad80000(0000) knlGS:0000000000000000 # [ 49.695364] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 49.702076] CR2: 00007f83fcf88000 CR3: 00000001028f0001 CR4: 00000000003706e0 # [ 49.710340] Call Trace: # [ 49.713363] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 49.719810] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 # [ 49.726448] direct_entry.cold+0x2c/0x38 # [ 49.731122] full_proxy_write+0x53/0x80 # [ 49.735721] vfs_write+0xe7/0x3a0 # [ 49.739736] ksys_write+0x68/0xf0 # [ 49.743729] do_syscall_64+0x30/0x40 # [ 49.748037] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 49.753971] RIP: 0033:0x7f83fd095833 # [ 49.758254] Code: 8b 15 61 26 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 # [ 49.779532] RSP: 002b:00007ffcd6b32bc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 49.788283] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f83fd095833 # [ 49.796548] RDX: 0000000000000020 RSI: 00007f83fcf88000 RDI: 0000000000000001 # [ 49.804813] RBP: 00007f83fcf88000 R08: 00007f83fcf87010 R09: 0000000000000000 # [ 49.819295] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 49.827558] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 49.835827] irq event stamp: 0 # [ 49.839551] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 49.853069] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 49.862533] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 49.871962] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 49.879256] ---[ end trace 803147a0d9c26616 ]--- # [ 49.884703] 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 # [ 50.011686] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 50.023136] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 50.037133] ------------[ cut here ]------------ # [ 50.048794] refcount_t: underflow; use-after-free. # [ 50.060685] WARNING: CPU: 1 PID: 2477 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 50.076593] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 50.109532] CPU: 1 PID: 2477 Comm: cat Tainted: G D W 5.10.164-cip24 #1 # [ 50.124688] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 50.131791] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 50.144128] Code: 01 01 e8 10 97 95 00 0f 0b c3 cc cc cc cc 80 3d e7 ee 93 01 00 75 85 48 c7 c7 60 f3 e4 99 c6 05 d7 ee 93 01 01 e8 ed 96 95 00 <0f> 0b c3 cc cc cc cc 80 3d c2 ee 93 01 00 0f 85 5e ff ff ff 48 c7 # [ 50.171649] RSP: 0018:ffff9ff34309fe40 EFLAGS: 00010286 # [ 50.183973] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 # [ 50.198450] RDX: ffff9cd33acac660 RSI: ffff9cd33ac9bf70 RDI: ffff9cd33ac9bf70 # [ 50.206715] RBP: ffffffff99eb3990 R08: 0000000000000000 R09: 0000000000000000 # [ 50.221192] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 50.229458] R13: ffff9ff34309ff10 R14: ffff9ff34309ff10 R15: ffff9cd2c4e98000 # [ 50.243932] FS: 00007f622f223580(0000) GS:ffff9cd33ac80000(0000) knlGS:0000000000000000 # [ 50.253266] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 50.266187] CR2: 00007f622f02c000 CR3: 0000000104146004 CR4: 00000000003706e0 # [ 50.274454] Call Trace: # [ 50.283687] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 50.296320] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 # [ 50.309153] direct_entry.cold+0x2c/0x38 # [ 50.320042] full_proxy_write+0x53/0x80 # [ 50.330833] vfs_write+0xe7/0x3a0 # [ 50.341043] ksys_write+0x68/0xf0 # [ 50.351252] do_syscall_64+0x30/0x40 # [ 50.361748] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 50.373906] RIP: 0033:0x7f622f139833 # [ 50.384403] Code: 8b 15 61 26 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 # [ 50.411897] RSP: 002b:00007ffd367ffc88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 50.426863] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f622f139833 # [ 50.435130] RDX: 0000000000000020 RSI: 00007f622f02c000 RDI: 0000000000000001 # [ 50.449602] RBP: 00007f622f02c000 R08: 00007f622f02b010 R09: 0000000000000000 # [ 50.457868] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 50.472344] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 50.480635] irq event stamp: 0 # [ 50.490524] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 50.497819] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 50.513457] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 50.522890] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 50.536394] ---[ end trace 803147a0d9c26617 ]--- # [ 50.541845] 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 # [ 50.674219] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 50.686453] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 50.694240] ------------[ cut here ]------------ # [ 50.705897] refcount_t: underflow; use-after-free. # [ 50.717787] WARNING: CPU: 1 PID: 2512 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 50.733695] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 50.766652] CPU: 1 PID: 2512 Comm: cat Tainted: G D W 5.10.164-cip24 #1 # [ 50.781792] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 50.795105] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 50.807451] Code: 01 01 e8 10 97 95 00 0f 0b c3 cc cc cc cc 80 3d e7 ee 93 01 00 75 85 48 c7 c7 60 f3 e4 99 c6 05 d7 ee 93 01 01 e8 ed 96 95 00 <0f> 0b c3 cc cc cc cc 80 3d c2 ee 93 01 00 0f 85 5e ff ff ff 48 c7 # [ 50.834949] RSP: 0018:ffff9ff343137e40 EFLAGS: 00010286 # [ 50.841079] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 # [ 50.855556] RDX: ffff9cd33acac660 RSI: ffff9cd33ac9bf70 RDI: ffff9cd33ac9bf70 # [ 50.870040] RBP: ffffffff99eb39b0 R08: 0000000000000000 R09: 0000000000000000 # [ 50.884521] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 50.892788] R13: ffff9ff343137f10 R14: ffff9ff343137f10 R15: ffff9cd2c3f2f000 # [ 50.907262] FS: 00007f14882f4580(0000) GS:ffff9cd33ac80000(0000) knlGS:0000000000000000 # [ 50.922813] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 50.929526] CR2: 00007f14880fd000 CR3: 0000000103d7c005 CR4: 00000000003706e0 # [ 50.944027] Call Trace: # [ 50.953276] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 50.961913] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 # [ 50.971248] direct_entry.cold+0x2c/0x38 # [ 50.975948] full_proxy_write+0x53/0x80 # [ 50.985282] vfs_write+0xe7/0x3a0 # [ 50.989281] ksys_write+0x68/0xf0 # [ 50.997549] do_syscall_64+0x30/0x40 # [ 51.001837] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 51.007967] RIP: 0033:0x7f148820a833 # [ 51.012259] Code: 8b 15 61 26 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 # [ 51.033539] RSP: 002b:00007ffccff62e18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 51.042290] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f148820a833 # [ 51.054238] RDX: 0000000000000020 RSI: 00007f14880fd000 RDI: 0000000000000001 # [ 51.062502] RBP: 00007f14880fd000 R08: 00007f14880fc010 R09: 0000000000000000 # [ 51.070959] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 51.079249] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 51.093730] irq event stamp: 0 # [ 51.103669] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 51.116597] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 51.126029] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 51.141669] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 51.155178] ---[ end trace 803147a0d9c26618 ]--- # [ 51.160628] 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 # [ 51.371770] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 51.378872] lkdtm: attempting good copy_to_user of correct size # [ 51.385791] 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 # [ 51.508105] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 51.518130] lkdtm: attempting good copy_from_user of correct size # [ 51.531442] 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 # [ 51.659634] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 51.670557] lkdtm: attempting good copy_to_user inside whitelist # [ 51.677573] lkdtm: attempting bad copy_to_user outside whitelist # USERCOPY_HEAP_WHITELIST_TO: missing 'call trace:': [FAIL] not ok 63 selftests: lkdtm: USERCOPY_HEAP_WHITELIST_TO.sh # exit=1 # selftests: lkdtm: USERCOPY_HEAP_WHITELIST_FROM.sh # [ 51.807906] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 51.816674] lkdtm: attempting good copy_from_user inside whitelist # [ 51.830125] lkdtm: attempting bad copy_from_user outside whitelist # USERCOPY_HEAP_WHITELIST_FROM: missing 'call trace:': [FAIL] not ok 64 selftests: lkdtm: USERCOPY_HEAP_WHITELIST_FROM.sh # exit=1 # selftests: lkdtm: USERCOPY_STACK_FRAME_TO.sh # [ 51.957390] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 51.968969] lkdtm: good_stack: ffff9ff3434cfe20-ffff9ff3434cfe40 # [ 51.975993] lkdtm: bad_stack : ffff9ff3434cfda8-ffff9ff3434cfdc8 # [ 51.983006] lkdtm: attempting good copy_to_user of local stack # [ 51.989829] 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 # [ 52.121822] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 52.134707] lkdtm: good_stack: ffff9ff343537e20-ffff9ff343537e40 # [ 52.141739] lkdtm: bad_stack : ffff9ff343537da8-ffff9ff343537dc8 # [ 52.148777] lkdtm: attempting good copy_from_user of local stack # [ 52.155800] 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 # [ 52.285955] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 52.294236] lkdtm: good_stack: ffff9ff3435d7e20-ffff9ff3435d7e40 # [ 52.301252] lkdtm: bad_stack : ffff9ff3435d7ff8-ffff9ff3435d8018 # [ 52.314473] lkdtm: attempting good copy_to_user of local stack # [ 52.321294] lkdtm: attempting bad copy_to_user of distant stack # [ 52.328230] 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 # [ 52.455865] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 52.465248] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff99ad1450 # [ 52.480452] lkdtm: attempting bad copy_to_user from kernel text: ffffffff986e3ab0 # [ 52.495373] 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 # [ 52.637341] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 52.644447] lkdtm: checking unused part of the thread stack (15928 bytes)... # [ 52.652628] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) # [ 52.660706] lkdtm: FAIL: the thread stack is NOT properly erased # [ 52.667716] CPU: 3 PID: 2877 Comm: cat Tainted: G D W 5.10.164-cip24 #1 # [ 52.676681] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 52.683777] Call Trace: # [ 52.686800] dump_stack+0x77/0x9b # [ 52.690820] lkdtm_STACKLEAK_ERASING+0x116/0x144 # [ 52.696267] direct_entry.cold+0x2c/0x38 # [ 52.700938] full_proxy_write+0x53/0x80 # [ 52.705513] vfs_write+0xe7/0x3a0 # [ 52.709502] ksys_write+0x68/0xf0 # [ 52.713493] do_syscall_64+0x30/0x40 # [ 52.717774] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 52.723707] RIP: 0033:0x7fccf55d1833 # [ 52.727988] Code: 8b 15 61 26 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 # [ 52.749263] RSP: 002b:00007ffd885626b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 52.758021] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fccf55d1833 # [ 52.766280] RDX: 0000000000000012 RSI: 00007fccf54c4000 RDI: 0000000000000001 # [ 52.774540] RBP: 00007fccf54c4000 R08: 00007fccf54c3010 R09: 0000000000000000 # [ 52.782802] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 52.791070] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # STACKLEAK_ERASING: missing 'OK: the rest of the thread stack is properly erased': [FAIL] not ok 69 selftests: lkdtm: STACKLEAK_ERASING.sh # exit=1 # selftests: lkdtm: CFI_FORWARD_PROTO.sh # [ 52.943701] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 52.955175] lkdtm: Calling matched prototype ... # [ 52.960658] lkdtm: Calling mismatched prototype ... # [ 52.966417] 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 lkdtm_PANIC_sh skip lkdtm_BUG_sh pass lkdtm_WARNING_sh pass lkdtm_WARNING_MESSAGE_sh pass lkdtm_EXCEPTION_sh pass lkdtm_LOOP_sh skip lkdtm_EXHAUST_STACK_sh skip lkdtm_CORRUPT_STACK_sh skip lkdtm_CORRUPT_STACK_STRONG_sh skip lkdtm_CORRUPT_LIST_ADD_sh fail lkdtm_CORRUPT_LIST_DEL_sh fail lkdtm_STACK_GUARD_PAGE_LEADING_sh pass lkdtm_STACK_GUARD_PAGE_TRAILING_sh pass lkdtm_UNSET_SMEP_sh pass lkdtm_DOUBLE_FAULT_sh skip lkdtm_CORRUPT_PAC_sh skip lkdtm_UNALIGNED_LOAD_STORE_WRITE_sh skip lkdtm_OVERWRITE_ALLOCATION_sh skip lkdtm_WRITE_AFTER_FREE_sh skip lkdtm_READ_AFTER_FREE_sh fail lkdtm_WRITE_BUDDY_AFTER_FREE_sh skip lkdtm_READ_BUDDY_AFTER_FREE_sh fail lkdtm_SLAB_FREE_DOUBLE_sh fail lkdtm_SLAB_FREE_CROSS_sh fail lkdtm_SLAB_FREE_PAGE_sh fail lkdtm_SOFTLOCKUP_sh skip lkdtm_HARDLOCKUP_sh skip lkdtm_SPINLOCKUP_sh skip lkdtm_HUNG_TASK_sh skip lkdtm_EXEC_DATA_sh pass lkdtm_EXEC_STACK_sh pass lkdtm_EXEC_KMALLOC_sh pass lkdtm_EXEC_VMALLOC_sh pass lkdtm_EXEC_RODATA_sh pass lkdtm_EXEC_USERSPACE_sh pass lkdtm_EXEC_NULL_sh pass lkdtm_ACCESS_USERSPACE_sh pass lkdtm_ACCESS_NULL_sh pass lkdtm_WRITE_RO_sh pass lkdtm_WRITE_RO_AFTER_INIT_sh pass lkdtm_WRITE_KERN_sh pass lkdtm_REFCOUNT_INC_OVERFLOW_sh pass lkdtm_REFCOUNT_ADD_OVERFLOW_sh pass lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW_sh pass lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW_sh pass lkdtm_REFCOUNT_DEC_ZERO_sh pass lkdtm_REFCOUNT_DEC_NEGATIVE_sh pass lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE_sh pass lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE_sh pass lkdtm_REFCOUNT_INC_ZERO_sh pass lkdtm_REFCOUNT_ADD_ZERO_sh pass lkdtm_REFCOUNT_INC_SATURATED_sh pass lkdtm_REFCOUNT_DEC_SATURATED_sh pass lkdtm_REFCOUNT_ADD_SATURATED_sh pass lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED_sh pass lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED_sh pass lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED_sh pass lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED_sh pass lkdtm_REFCOUNT_TIMING_sh skip lkdtm_ATOMIC_TIMING_sh skip lkdtm_USERCOPY_HEAP_SIZE_TO_sh fail lkdtm_USERCOPY_HEAP_SIZE_FROM_sh fail lkdtm_USERCOPY_HEAP_WHITELIST_TO_sh fail lkdtm_USERCOPY_HEAP_WHITELIST_FROM_sh fail lkdtm_USERCOPY_STACK_FRAME_TO_sh fail lkdtm_USERCOPY_STACK_FRAME_FROM_sh fail lkdtm_USERCOPY_STACK_BEYOND_sh fail lkdtm_USERCOPY_KERNEL_sh fail lkdtm_STACKLEAK_ERASING_sh fail lkdtm_CFI_FORWARD_PROTO_sh fail + ../../utils/send-to-lava.sh ./output/result.txt + set +x / #