[Enter `^Ec?' for help] coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 bootblock starting... CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz CPU: ID 806e9, Kabylake H0, ucode: 00000097 CPU: AES supported, TXT NOT supported, VT supported MCH: device id 590c (rev 02) is Kabylake-Y PCH: device id 9d4b (rev 21) is Kabylake-Y iHDCP 2.2 Premium IGD: device id 591c (rev 02) is Amberlake ULX GT2 VBOOT: Loading verstage. CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/verstage' CBFS: Found @ offset 1a0a80 size f47c coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 verstage starting... Probing TPM: .Timeout wait for TPM IRQ! . done! TPM ready after 0 ms Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_A:0.5.6/cr50_v1.9308_87_mp.510-d2da4373 Initialized TPM device CR50 revision 0 tlcl_send_startup: Startup return code is 0 TPM: setup succeeded src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x1007 return code 0 Chrome EC: UHEPI supported Phase 1 FMAP: Found \"FLASH\" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area GBB found @ c11000 (978944 bytes) VB2:vb2_check_recovery() Recovery reason from previous boot: 0x0 / 0x0 Phase 2 Phase 3 FMAP: area GBB found @ c11000 (978944 bytes) VB2:vb2_report_dev_firmware() This is developer signed firmware FMAP: area VBLOCK_B found @ 5e8000 (65536 bytes) FMAP: area VBLOCK_B found @ 5e8000 (65536 bytes) VB2:vb2_verify_keyblock() Checking key block signature... FMAP: area VBLOCK_B found @ 5e8000 (65536 bytes) FMAP: area VBLOCK_B found @ 5e8000 (65536 bytes) VB2:vb2_verify_fw_preamble() Verifying preamble. Phase 4 FMAP: area FW_MAIN_B found @ 5f8000 (4030400 bytes) VB2:vb2api_init_hash() HW crypto for hash_alg 2 not supported, using SW VB2:vb2_rsa_verify_digest() Digest check failed! VB2:vb2_fail() Need recovery, reason: 0x1b / 0x7 Saving nvdata Reboot requested (10020007) board_reset() called! full_reset() called! coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 bootblock starting... CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz CPU: ID 806e9, Kabylake H0, ucode: 00000097 CPU: AES supported, TXT NOT supported, VT supported MCH: device id 590c (rev 02) is Kabylake-Y PCH: device id 9d4b (rev 21) is Kabylake-Y iHDCP 2.2 Premium IGD: device id 591c (rev 02) is Amberlake ULX GT2 VBOOT: Loading verstage. CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/verstage' CBFS: Found @ offset 1a0a80 size f47c coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 verstage starting... Probing TPM: . done! TPM ready after 0 ms Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_A:0.5.6/cr50_v1.9308_87_mp.510-d2da4373 Initialized TPM device CR50 revision 0 tlcl_send_startup: Startup return code is 0 TPM: setup succeeded src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x1007 return code 0 Chrome EC: UHEPI supported Phase 1 FMAP: Found \"FLASH\" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area GBB found @ c11000 (978944 bytes) VB2:vb2_check_recovery() Recovery reason from previous boot: 0x1b / 0x7 VB2:vb2_check_recovery() We have a recovery request: 0x1b / 0x0 Recovery requested (1009000e) Saving nvdata tlcl_extend: response is 0 tlcl_extend: response is 0 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/romstage' CBFS: Found @ offset 80 size 10ffc coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 romstage starting... pm1_sts: 0100 pm1_en: 0000 pm1_cnt: 00001c00 gpe0_sts[0]: 00000000 gpe0_en[0]: 00000000 gpe0_sts[1]: 00000000 gpe0_en[1]: 00000000 gpe0_sts[2]: 00000001 gpe0_en[2]: 00000000 gpe0_sts[3]: 00000000 gpe0_en[3]: 00010000 TCO_STS: 0000 0000 GEN_PMCON: e0040200 0000523a GBLRST_CAUSE: 00000000 00000000 prev_sleep_state 5 Boot Count incremented to 40617 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fspm.bin' CBFS: Found @ offset 103fc0 size 63000 Chrome EC: UHEPI supported FMAP: Found \"FLASH\" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area RECOVERY_MRC_CACHE found @ 9d0000 (65536 bytes) Probing TPM: done! Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_A:0.5.6/cr50_v1.9308_87_mp.510-d2da4373 Initialized TPM device CR50 revision 0 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 MRC: Hash comparison successful. Using data from RECOVERY_MRC_CACHE MRC cache found, size 1868 bootmode is set to :2 SPD index 1 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'spd.bin' CBFS: Found @ offset 1a0240 size 800 SPD: module type is LPDDR3 SPD: module part is K4E8E324EB-EGCF SPD: banks 8, ranks 1, rows 15, columns 10, density 8192 Mb SPD: device width 32 bits, bus width 64 bits SPD: module size is 2048 MB (per channel) CBMEM: IMD: root @ 7afff000 254 entries. IMD: root @ 7affec00 62 entries. External stage cache: IMD: root @ 7b3ff000 254 entries. IMD: root @ 7b3fec00 62 entries. creating vboot_handoff structure Chrome EC: clear events_b mask to 0x0000000021004000 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 tlcl_write: response is 0 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 MRC: TPM MRC hash updated successfully. 2 DIMMs found top_of_ram = 0x7b000000 MTRR Range: Start=7a000000 End=7b000000 (Size 1000000) MTRR Range: Start=7b000000 End=7b800000 (Size 800000) MTRR Range: Start=ff000000 End=0 (Size 1000000) CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/postcar' CBFS: Found @ offset 197000 size 3f04 Decompressing stage fallback/postcar @ 0x7abd0fc0 (32720 bytes) Loading module at 7abd1000 with entry 7abd1000. filesize: 0x3cd0 memsize: 0x7f90 Processing 118 relocs. Offset value of 0x78bd1000 coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 postcar starting... CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/ramstage' CBFS: Found @ offset e8d80 size 1a462 Decompressing stage fallback/ramstage @ 0x7ab05fc0 (826808 bytes) Loading module at 7ab06000 with entry 7ab06000. filesize: 0x38d90 memsize: 0xc9d78 Processing 3657 relocs. Offset value of 0x79d06000 coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 ramstage starting... FMAP: Found \"FLASH\" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area RO_VPD found @ c00000 (16384 bytes) WARNING: RO_VPD is uninitialized or empty. FMAP: area RW_VPD found @ 9f8000 (8192 bytes) WARNING: RW_VPD is uninitialized or empty. Normal boot. BS: BS_PRE_DEVICE times (us): entry 0 run 30 exit 0 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'cpu_microcode_blob.bin' CBFS: Found @ offset 11100 size d7c00 microcode: sig=0x806e9 pf=0x10 revision=0x97 Skip microcode update CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fsps.bin' CBFS: Found @ offset 167fc0 size 2f000 Detected 2 core, 4 thread CPU. Setting up SMI for CPU IED base = 0x7b400000 IED size = 0x00400000 Will perform SMM setup. CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz. Loading module at 00030000 with entry 00030000. filesize: 0x170 memsize: 0x170 Processing 16 relocs. Offset value of 0x00030000 Attempting to start 3 APs Waiting for 10ms after sending INIT. Waiting for 1st SIPI to complete...done. AP: slot 2 apic_id 3. AP: slot 3 apic_id 2. Waiting for 2nd SIPI to complete...done. AP: slot 1 apic_id 1. Loading module at 00038000 with entry 00038000. filesize: 0x1a8 memsize: 0x1a8 Processing 13 relocs. Offset value of 0x00038000 SMM Module: stub loaded at 00038000. Will call 7ab21603(00000000) Installing SMM handler to 0x7b000000 Loading module at 7b010000 with entry 7b010a19. filesize: 0x3b08 memsize: 0x8bc0 Processing 243 relocs. Offset value of 0x7b010000 Loading module at 7b008000 with entry 7b008000. filesize: 0x1a8 memsize: 0x1a8 Processing 13 relocs. Offset value of 0x7b008000 SMM Module: placing jmp sequence at 7b007c00 rel16 0x03fd SMM Module: placing jmp sequence at 7b007800 rel16 0x07fd SMM Module: placing jmp sequence at 7b007400 rel16 0x0bfd SMM Module: stub loaded at 7b008000. Will call 7b010a19(00000000) Clearing SMI status registers SMI_STS: PM1 PM1_STS: PWRBTN TCO_STS: BOOT SECOND_TO New SMBASE 0x7b000000 In relocation handler: CPU 0 New SMBASE=0x7b000000 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afffc00 In relocation handler: CPU 1 New SMBASE=0x7afffc00 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afff800 In relocation handler: CPU 2 New SMBASE=0x7afff800 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. Initializing CPU #0 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC... apic_id: 0x00 done. Turbo is available but hidden Turbo has been enabled SGX : param.enable = 0 Skip microcode update CPU #0 initialized Initializing CPU #1 Initializing CPU #3 Initializing CPU #2 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC...CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC...Setting up local APIC... apic_id: 0x03 done. 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 228 msecs. CPU: frequency set to 3400 MHz Enabling SMIs. Locking SMM. VMX : param.enable = 1 VMX status: enabled, unlocked SGX: pre-conditions not met VMX status: enabled, unlocked SGX: pre-conditions not met VMX status: enabled, unlocked VMX status: enabled, unlocked SGX: pre-conditions not met SGX: pre-conditions not met CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'vbt.bin' CBFS: Found @ offset 103a00 size 48e Found a VBT of 4608 bytes after decompression psys_pmax = 360 FMAP: area GBB found @ c11000 (978944 bytes) ITSS IRQ Polarities Before: IPC0: 0x00ff4000 IPC1: 0x00000007 IPC2: 0x00000000 IPC3: 0x00000000 ITSS IRQ Polarities After: IPC0: 0x00ff4000 IPC1: 0x00000007 IPC2: 0x00000000 IPC3: 0x00000000 Override DT after FSP-S, PCH is KBL/SKL PCH-LP SKU BS: BS_DEV_INIT_CHIPS times (us): entry 376106 run 169516 exit 0 Enumerating buses... Show all devs... Before device enumeration. Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 DOMAIN: 0000: enabled 1 APIC: 00: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 PCI: 00:15.1: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PCI: 00:1f.1: enabled 1 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 USB0 port 0: enabled 1 I2C: 00:5c: enabled 1 I2C: 00:15: enabled 1 I2C: 00:39: enabled 1 I2C: 00:3a: enabled 1 I2C: 00:1a: enabled 1 PCI: 00:00.0: enabled 1 SPI: 00: enabled 1 PNP: 0c09.0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 APIC: 01: enabled 1 APIC: 03: enabled 1 APIC: 02: enabled 1 Compare with tree... Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 APIC: 00: enabled 1 APIC: 01: enabled 1 APIC: 03: enabled 1 APIC: 02: enabled 1 DOMAIN: 0000: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 USB0 port 0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 I2C: 00:5c: enabled 1 PCI: 00:15.1: enabled 1 I2C: 00:15: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 I2C: 00:39: enabled 1 I2C: 00:3a: enabled 1 I2C: 00:1a: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 SPI: 00: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PNP: 0c09.0: enabled 1 PCI: 00:1f.1: enabled 1 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 Root Device scanning... root_dev_scan_bus for Root Device CPU_CLUSTER: 0 enabled DOMAIN: 0000 enabled DOMAIN: 0000 scanning... PCI: pci_scan_bus for bus 00 PCI: 00:00.0 [8086/0000] ops PCI: 00:00.0 [8086/590c] enabled PCI: 00:02.0 [8086/0000] ops PCI: 00:02.0 [8086/591c] enabled PCI: 00:04.0 [8086/1903] enabled PCI: 00:08.0 [8086/1911] enabled PCI: 00:14.0 [8086/0000] bus ops PCI: 00:14.0 [8086/9d2f] enabled PCI: 00:14.2 [8086/9d31] enabled PCI: 00:15.0 [8086/0000] bus ops PCI: 00:15.0 [8086/9d60] enabled PCI: 00:15.1 [8086/0000] bus ops PCI: 00:15.1 [8086/9d61] enabled PCI: 00:16.0 [8086/0000] ops PCI: 00:16.0 [8086/9d3a] enabled PCI: 00:19.0 [8086/0000] ops PCI: 00:19.0 [8086/9d66] enabled PCI: 00:19.1 [8086/0000] bus ops PCI: 00:19.1 [8086/9d65] enabled PCI: 00:1c.0 [8086/0000] bus ops PCI: 00:1c.0 [8086/9d10] enabled PCI: 00:1e.0 [8086/0000] ops PCI: 00:1e.0 [8086/9d27] enabled PCI: 00:1e.2 [8086/0000] bus ops PCI: 00:1e.2 [8086/9d29] enabled PCI: 00:1e.4 [8086/9d2b] enabled PCI: 00:1e.6 [8086/0000] ops PCI: 00:1e.6 [8086/9d2d] enabled PCI: 00:1f.0 [8086/0000] bus ops PCI: 00:1f.0 [8086/9d4b] enabled PCI: Static device PCI: 00:1f.1 not found, disabling it. PCI: 00:1f.2 [8086/0000] bus ops PCI: 00:1f.2 [8086/9d21] enabled PCI: 00:1f.3 [8086/0000] bus ops PCI: 00:1f.3 [8086/9d71] enabled PCI: 00:1f.4 [8086/0000] bus ops PCI: 00:1f.4 [8086/9d23] enabled PCI: 00:1f.5 [8086/0000] bus ops PCI: 00:1f.5 [8086/9d24] enabled PCI: 00:14.0 scanning... scan_usb_bus for PCI: 00:14.0 USB0 port 0 enabled USB0 port 0 scanning... scan_usb_bus for USB0 port 0 USB2 port 0 enabled USB2 port 1 enabled USB2 port 2 enabled USB2 port 4 enabled USB2 port 8 enabled USB2 port 0 scanning... scan_usb_bus for USB2 port 0 scan_usb_bus for USB2 port 0 done scan_bus: scanning of bus USB2 port 0 took 8973 usecs USB2 port 1 scanning... scan_usb_bus for USB2 port 1 scan_usb_bus for USB2 port 1 done scan_bus: scanning of bus USB2 port 1 took 8976 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 8964 usecs USB2 port 4 scanning... scan_usb_bus for USB2 port 4 scan_usb_bus for USB2 port 4 done scan_bus: scanning of bus USB2 port 4 took 8965 usecs USB2 port 8 scanning... scan_usb_bus for USB2 port 8 scan_usb_bus for USB2 port 8 done scan_bus: scanning of bus USB2 port 8 took 8973 usecs scan_usb_bus for USB0 port 0 done scan_bus: scanning of bus USB0 port 0 took 90953 usecs scan_usb_bus for PCI: 00:14.0 done scan_bus: scanning of bus PCI: 00:14.0 took 107747 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 14153 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 22374 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 53519 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 13861 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 11321 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 9265 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 10037 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 10045 usecs scan_bus: scanning of bus DOMAIN: 0000 took 466036 usecs root_dev_scan_bus for Root Device done scan_bus: scanning of bus Root Device took 486150 usecs done Chrome EC: UHEPI supported FMAP: area RECOVERY_MRC_CACHE found @ 9d0000 (65536 bytes) MRC: Checking cached data update for 'RECOVERY_MRC_CACHE'. SF: Detected FAST_SPI Hardware Sequencer with sector size 0x1000, total 0x1000000 FMAP: area UNIFIED_MRC_CACHE found @ 9d0000 (131072 bytes) SPI flash protection: WPSW=0 SRP0=0 MRC: NOT enabling PRR for 'UNIFIED_MRC_CACHE'. BS: BS_DEV_ENUMERATE times (us): entry 0 run 825925 exit 39222 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 2113823 exit 29 Enabling resources... PCI: 00:00.0 subsystem <- 8086/590c PCI: 00:00.0 cmd <- 06 PCI: 00:02.0 subsystem <- 8086/591c PCI: 00:02.0 cmd <- 03 PCI: 00:04.0 cmd <- 02 PCI: 00:08.0 cmd <- 06 PCI: 00:14.0 subsystem <- 8086/9d2f PCI: 00:14.0 cmd <- 02 PCI: 00:14.2 subsystem <- 8086/9d31 PCI: 00:14.2 cmd <- 02 PCI: 00:15.0 subsystem <- 8086/9d60 PCI: 00:15.0 cmd <- 06 PCI: 00:15.1 subsystem <- 8086/9d61 PCI: 00:15.1 cmd <- 06 PCI: 00:16.0 subsystem <- 8086/9d3a PCI: 00:16.0 cmd <- 02 PCI: 00:19.0 subsystem <- 8086/9d66 PCI: 00:19.0 cmd <- 06 PCI: 00:19.1 subsystem <- 8086/9d65 PCI: 00:19.1 cmd <- 06 PCI: 00:1c.0 bridge ctrl <- 0003 PCI: 00:1c.0 subsystem <- 8086/9d10 PCI: 00:1c.0 cmd <- 06 PCI: 00:1e.0 subsystem <- 8086/9d27 PCI: 00:1e.0 cmd <- 06 PCI: 00:1e.2 subsystem <- 8086/9d29 PCI: 00:1e.2 cmd <- 06 PCI: 00:1e.4 subsystem <- 8086/9d2b PCI: 00:1e.4 cmd <- 06 PCI: 00:1e.6 subsystem <- 8086/9d2d PCI: 00:1e.6 cmd <- 06 PCI: 00:1f.0 subsystem <- 8086/9d4b PCI: 00:1f.0 cmd <- 407 PCI: 00:1f.2 subsystem <- 8086/9d21 PCI: 00:1f.2 cmd <- 02 PCI: 00:1f.3 subsystem <- 8086/9d71 PCI: 00:1f.3 cmd <- 02 PCI: 00:1f.4 subsystem <- 8086/9d23 PCI: 00:1f.4 cmd <- 03 PCI: 00:1f.5 subsystem <- 8086/9d24 PCI: 00:1f.5 cmd <- 406 PCI: 01:00.0 subsystem <- 8086/095a PCI: 01:00.0 cmd <- 02 done. ME: Version : 11.8.50.3470 BS: BS_DEV_ENABLE times (us): entry 227 run 139280 exit 21106 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 30933 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 6981 usecs PCI: 00:02.0 init ... PCI: 00:02.0 init finished in 2249 usecs PCI: 00:04.0 init ... PCI: 00:04.0 init finished in 2247 usecs PCI: 00:08.0 init ... PCI: 00:08.0 init finished in 2247 usecs PCI: 00:14.0 init ... PCI: 00:14.0 init finished in 2249 usecs PCI: 00:14.2 init ... PCI: 00:14.2 init finished in 2249 usecs PCI: 00:15.0 init ... DW I2C bus 0 at 0xd1132000 (400 KHz) PCI: 00:15.0 init finished in 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 5965 usecs PCI: 00:1c.0 init ... Initializing PCH PCIe bridge. PCI: 00:1c.0 init finished in 5287 usecs PCI: 00:1e.4 init ... PCI: 00:1e.4 init finished in 2249 usecs PCI: 00:1f.0 init ... IOAPIC: Initializing IOAPIC at 0xfec00000 IOAPIC: Bootstrap Processor Local APIC = 0x00 IOAPIC: ID = 0x02 IOAPIC: Dumping registers reg 0x0000: 0x02000000 reg 0x0001: 0x00770020 reg 0x0002: 0x00000000 PCI: 00:1f.0 init finished in 23465 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 23848 usecs PCI: 00:1f.4 init ... PCI: 00:1f.4 init finished in 2258 usecs PCI: 01:00.0 init ... PCI: 01:00.0 init finished in 2387 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 2022-11-04 07:49:37 UTC POST: Unexpected post code in previous boot: 0x34 ELOG: Event(A3) added with size 11 at 2022-11-04 07:49:37 UTC ELOG: Event(92) added with size 9 at 2022-11-04 07:49:37 UTC ELOG: Event(9A) added with size 9 at 2022-11-04 07:49:37 UTC ELOG: Event(AD) added with size 10 at 2022-11-04 07:49:37 UTC ELOG: Event(9F) added with size 14 at 2022-11-04 07:49:37 UTC BS: BS_DEV_INIT times (us): entry 0 run 417073 exit 59962 ELOG: Event(A1) added with size 10 at 2022-11-04 07:49:37 UTC elog_add_boot_reason: Logged recovery mode boot (Dev-switch on), reason: 0x1b ELOG: Event(A0) added with size 9 at 2022-11-04 07:49:38 UTC elog_add_boot_reason: Logged dev mode boot Finalize devices... Devices finalized FMAP: area RW_NVRAM found @ 9fa000 (24576 bytes) BS: BS_POST_DEVICE times (us): entry 26499 run 3967 exit 5212 BS: BS_OS_RESUME_CHECK times (us): entry 0 run 54 exit 0 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/dsdt.aml' CBFS: Found @ offset 19af40 size 4691 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/slic' CBFS: 'fallback/slic' not found. ACPI: Writing ACPI tables at 7aa9a000. ACPI: * FACS ACPI: * DSDT Ramoops buffer: 0x100000@0x7a999000. SGX: not enabled or not supported. skip gnvs fill ACPI: * FADT SCI is IRQ9 ACPI: added table 1/32, length now 40 ACPI: * SSDT Found 1 CPU(s) with 4 core(s) each. \_SB.PCI0.I2C0.H05C: SISC Touchscreen at I2C: 01:5c \_SB.PCI0.I2C1.D015: ELAN Touchpad at I2C: 02:15 \_SB.PCI0.I2C5.MAXR: Maxim MAX98927 Codec address 039h \_SB.PCI0.I2C5.MAXL: Maxim MAX98927 Codec address 03ah \_SB.PCI0.I2C5.DLG7: Dialog Semiconductor DA7219 Audio Codec address 01ah irq 105 Error: Could not locate 'wifi_sar' in VPD. Error: failed from getting SAR limits! \_SB.PCI0.RP01.WIFI: Intel WiFi PCI: 01:00.0 \_SB.PCI0.SPI0.S001: SPI Device at SPI: 00 \_SB.PCI0.XHCI.RHUB.HS01: USB Type C Port 1 at USB2 port 0 \_SB.PCI0.XHCI.RHUB.HS02: USB Type A Port 1 at USB2 port 1 \_SB.PCI0.XHCI.RHUB.HS03: Bluetooth at USB2 port 2 \_SB.PCI0.XHCI.RHUB.HS05: USB Type C Port 2 at USB2 port 4 \_SB.PCI0.XHCI.RHUB.HS09: Camera at USB2 port 8 ACPI: added table 2/32, length now 44 ACPI: * MCFG ACPI: added table 3/32, length now 48 ACPI: * TPM2 ACPI: added table 4/32, length now 52 ACPI: * MADT SCI is IRQ9 ACPI: added table 5/32, length now 56 current = 7aa9fa60 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dmic-4ch-48khz-16b.bin' CBFS: Found @ offset 167000 size ba8 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dmic-4ch-48khz-32b.bin' CBFS: Found @ offset 19f640 size ba8 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dialog-2ch-48khz-24b.bin' CBFS: Found @ offset 167cc0 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dialog-2ch-48khz-24b.bin' CBFS: Found @ offset 167cc0 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'max98927-render-2ch-48khz-24b.bin' CBFS: Found @ offset 167c00 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'max98927-render-2ch-48khz-16b.bin' CBFS: Found @ offset 103f00 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'max98927-render-2ch-48khz-16b.bin' CBFS: Found @ offset 103f00 size 64 ACPI: * NHLT ACPI: added table 6/32, length now 60 ACPI: * DMAR ACPI: added table 7/32, length now 64 ACPI: * IGD OpRegion GMA: Found VBT in CBFS GMA: Found valid VBT in CBFS current = 7aaa3610 ACPI: added table 8/32, length now 68 ACPI: * HPET ACPI: added table 9/32, length now 72 ACPI: done. ACPI tables: 38592 bytes. smbios_write_tables: 7a998000 Create SMBIOS type 17 PCI: 01:00.0 (Intel WiFi) SMBIOS tables: 662 bytes. Writing table forward entry at 0x00000500 Wrote coreboot table at: 00000500, 0x10 bytes, checksum a532 Writing coreboot table at 0x7aabe000 0. 0000000000000000-0000000000000fff: CONFIGURATION TABLES 1. 0000000000001000-000000000009ffff: RAM 2. 00000000000a0000-00000000000fffff: RESERVED 3. 0000000000100000-000000007a997fff: RAM 4. 000000007a998000-000000007ab05fff: CONFIGURATION TABLES 5. 000000007ab06000-000000007abcffff: RAMSTAGE 6. 000000007abd0000-000000007affffff: CONFIGURATION TABLES 7. 000000007b000000-000000007fffffff: RESERVED 8. 00000000e0000000-00000000e3ffffff: RESERVED 9. 00000000fe000000-00000000fe00ffff: RESERVED 10. 00000000fed10000-00000000fed19fff: RESERVED 11. 00000000fed80000-00000000fed84fff: RESERVED 12. 00000000fed90000-00000000fed91fff: RESERVED 13. 0000000100000000-000000017effffff: RAM Graphics framebuffer located at 0xc0000000 Passing 6 GPIOs to payload: NAME | PORT | POLARITY | VALUE write protect | undefined | high | low recovery | undefined | high | low lid | undefined | high | high power | undefined | high | low oprom | undefined | high | low EC in RW | 0x00000036 | high | low Board ID: 6 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) Wrote coreboot table at: 7aabe000, 0x57c bytes, checksum bebf coreboot table: 1428 bytes. IMD ROOT 0. 7afff000 00001000 IMD SMALL 1. 7affe000 00001000 FSP MEMORY 2. 7abfe000 00400000 CONSOLE 3. 7abde000 00020000 TIME STAMP 4. 7abdd000 00000910 VBOOT 5. 7abdc000 00000c0c MRC DATA 6. 7abda000 00001878 ROMSTG STCK 7. 7abd9000 00000400 AFTER CAR 8. 7abd0000 00009000 RAMSTAGE 9. 7ab05000 000cb000 REFCODE 10. 7aad6000 0002f000 SMM BACKUP 11. 7aac6000 00010000 COREBOOT 12. 7aabe000 00008000 ACPI 13. 7aa9a000 00024000 ACPI GNVS 14. 7aa99000 00001000 RAMOOPS 15. 7a999000 00100000 SMBIOS 16. 7a998000 00000800 IMD small region: IMD ROOT 0. 7affec00 00000400 FSP RUNTIME 1. 7affebe0 00000004 VBOOT SEL 2. 7affebc0 00000008 EC HOSTEVENT 3. 7affeba0 00000008 POWER STATE 4. 7affeb60 00000040 ROMSTAGE 5. 7affeb40 00000004 MEM INFO 6. 7affe980 000001a9 COREBOOTFWD 7. 7affe940 00000028 MTRR: Physical address space: 0x0000000000000000 - 0x00000000000a0000 size 0x000a0000 type 6 0x00000000000a0000 - 0x00000000000c0000 size 0x00020000 type 0 0x00000000000c0000 - 0x000000007b800000 size 0x7b740000 type 6 0x000000007b800000 - 0x00000000c0000000 size 0x44800000 type 0 0x00000000c0000000 - 0x00000000d0000000 size 0x10000000 type 1 0x00000000d0000000 - 0x0000000100000000 size 0x30000000 type 0 0x0000000100000000 - 0x000000017f000000 size 0x7f000000 type 6 MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 call enable_fixed_mtrr() CPU physical address size: 39 bits MTRR: default type WB/UC MTRR counts: 6/5. MTRR: UC selected as default type. MTRR: 0 base 0x0000000000000000 mask 0x0000007f80000000 type 6 MTRR: 1 base 0x000000007b800000 mask 0x0000007fff800000 type 0 MTRR: 2 base 0x000000007c000000 mask 0x0000007ffc000000 type 0 MTRR: 3 base 0x00000000c0000000 mask 0x0000007ff0000000 type 1 MTRR: 4 base 0x0000000100000000 mask 0x0000007f80000000 type 6 MTRR check Fixed MTRRs : Enabled Variable MTRRs: Enabled MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 BS: BS_WRITE_TABLES times (us): entry 0 run 533676 exit 145974 call enable_fixed_mtrr() CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/payload' CPU physical address size: 39 bits CBFS: Found @ offset 223040 size 360b4 MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 call enable_fixed_mtrr() MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 CPU physical address size: 39 bits call enable_fixed_mtrr() Checking segment from ROM address 0xfff23078 CPU physical address size: 39 bits 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 598 run 258564 exit 135061 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 7844617/tftp-deploy-nlwpxrar/kernel/bzImage 7844617/tftp-deploy-nlwpxrar/kernel/cmdline 7844617/tftp-deploy-nlwpxrar/ramdisk/ramdisk.cpio.gz tftpboot 192.168.201.1 7844617/tftp-deploy-nlwpxrar/kernel/bzImoy-nlwpxrar/kernel/cmdline 7844617/tftp-deploy-nlwpxrar/ramdisk/ramdisk.cpio.gz Waiting for link R8152: Initializing Version 9 (ocp_data = 6010) R8152: Done initializing Adding net device done. MAC: 00:e0:4c:68:0b:d9 Sending DHCP discover... done. Waiting for reply... done. Sending DHCP request... done. Waiting for reply... done. My ip is 192.168.201.13 The DHCP server ip is 192.168.201.1 TFTP server IP predefined by user: 192.168.201.1 Bootfile predefined by user: 7844617/tftp-deploy-nlwpxrar/kernel/bzImage Sending tftp read request... done. Waiting for the transfer... 00000000 ################################################################ 00080000 ################################################################ 00100000 ################################################################ 00180000 ################################################################ 00200000 ################################################################ 00280000 ################################################################ 00300000 ################################################################ 00380000 ################################################################ 00400000 ################################################################ 00480000 ################################################################ 00500000 ################################################################ 00580000 ################################################################ 00600000 ################################################################ 00680000 ################################################################ 00700000 ################################################################ 00780000 ################################################################ 00800000 ################################################################ 00880000 ################################################################ 00900000 ################################################################ 00980000 ################################################################ 00a00000 ################################################################ 00a80000 ################################################################ 00b00000 ################################################################ 00b80000 ################################################################ 00c00000 ################################################################ 00c80000 ################################################################ 00d00000 ############################################## done. The bootfile was 14002976 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: 7844617/tftp-deploy-nlwpxrar/kernel/cmdline The command line is: earlyprintk=uart8250,mmio32,0xde000000,115200n8 console=ttyS0,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/7844617/extract-nfsrootfs-eks0q3m0,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: 15312146 Starting kernel ... [ 0.000000] Linux version 5.10.147-cip18 (KernelCI@build-j454162-x86-64-gcc-10-x86-64-defconfig-x86-chromeboox45z9) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Fri Nov 4 07:44:14 UTC 2022 [ 0.000000] Command line: earlyprintk=uart8250,mmio32,0xde000000,115200n8 console=ttyS0,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/7844617/extract-nfsrootfs-eks0q3m0,tcp,hard ip=dhcp tftpserverip=192.168.201.1 [ 0.000000] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x008: 'MPX bounds registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x010: 'MPX CSR' [ 0.000000] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 [ 0.000000] x86/fpu: xstate_offset[3]: 832, xstate_sizes[3]: 64 [ 0.000000] x86/fpu: xstate_offset[4]: 896, xstate_sizes[4]: 64 [ 0.000000] x86/fpu: Enabled xstate features 0x1f, context size is 960 bytes, using 'compacted' format. [ 0.000000] BIOS-provided physical RAM map: [ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x0000000000000fff] type 16 [ 0.000000] BIOS-e820: [mem 0x0000000000001000-0x000000000009ffff] usable [ 0.000000] BIOS-e820: [mem 0x00000000000a0000-0x00000000000fffff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000000100000-0x000000007a997fff] usable [ 0.000000] BIOS-e820: [mem 0x000000007a998000-0x000000007affffff] type 16 [ 0.000000] BIOS-e820: [mem 0x000000007b000000-0x000000007fffffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000e0000000-0x00000000e3ffffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fe000000-0x00000000fe00ffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fed10000-0x00000000fed19fff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fed80000-0x00000000fed84fff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fed90000-0x00000000fed91fff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000100000000-0x000000017effffff] usable [ 0.000000] NX (Execute Disable) protection: active [ 0.000000] SMBIOS 2.7 present. [ 0.000000] DMI: Google Rammus/Rammus, BIOS 09/04/2020 [ 0.000000] tsc: Detected 1600.000 MHz processor [ 0.000000] tsc: Detected 1599.960 MHz TSC [ 0.000044] last_pfn = 0x17f000 max_arch_pfn = 0x400000000 [ 0.001100] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.005642] last_pfn = 0x7a998 max_arch_pfn = 0x400000000 [ 0.018898] check: Scanning 1 areas for low memory corruption [ 0.018908] Using GB pages for direct mapping [ 0.019453] RAMDISK: [mem 0x377f5000-0x37ffffff] [ 0.019459] ACPI: Early table checksum verification disabled [ 0.019465] ACPI: RSDP 0x00000000000F0000 000024 (v02 CORE ) [ 0.019476] ACPI: XSDT 0x000000007AA9A0E0 00006C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.019489] ACPI: FACP 0x000000007AA9E970 0000F4 (v04 CORE COREBOOT 00000000 CORE 00000000) [ 0.019502] ACPI: DSDT 0x000000007AA9A280 0046E3 (v05 COREv4 COREBOOT 20110725 INTL 20180531) [ 0.019512] ACPI: FACS 0x000000007AA9A240 000040 [ 0.019521] ACPI: FACS 0x000000007AA9A240 000040 [ 0.019529] ACPI: SSDT 0x000000007AA9EA70 000EFA (v02 CORE COREBOOT 0000002A CORE 0000002A) [ 0.019539] ACPI: MCFG 0x000000007AA9F970 00003C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.019548] ACPI: TPM2 0x000000007AA9F9B0 000040 (v04 CORE COREBOOT 00000000 CORE 00000000) [ 0.019558] ACPI: APIC 0x000000007AA9F9F0 00006C (v02 CORE COREBOOT 00000000 CORE 00000000) [ 0.019567] ACPI: NHLT 0x000000007AA9FA60 001B1C (v05 GOOGLE RAMMUS 00000000 CORE 00000000) [ 0.019576] ACPI: DMAR 0x000000007AAA1580 000088 (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.019586] ACPI: DBG2 0x000000007AAA3610 000061 (v00 CORE COREBOOT 00000000 CORE 00000000) [ 0.019595] ACPI: HPET 0x000000007AAA3680 000038 (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.019604] ACPI: Reserving FACP table memory at [mem 0x7aa9e970-0x7aa9ea63] [ 0.019608] ACPI: Reserving DSDT table memory at [mem 0x7aa9a280-0x7aa9e962] [ 0.019612] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] [ 0.019616] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] [ 0.019619] ACPI: Reserving SSDT table memory at [mem 0x7aa9ea70-0x7aa9f969] [ 0.019623] ACPI: Reserving MCFG table memory at [mem 0x7aa9f970-0x7aa9f9ab] [ 0.019627] ACPI: Reserving TPM2 table memory at [mem 0x7aa9f9b0-0x7aa9f9ef] [ 0.019630] ACPI: Reserving APIC table memory at [mem 0x7aa9f9f0-0x7aa9fa5b] [ 0.019634] ACPI: Reserving NHLT table memory at [mem 0x7aa9fa60-0x7aaa157b] [ 0.019638] ACPI: Reserving DMAR table memory at [mem 0x7aaa1580-0x7aaa1607] [ 0.019641] ACPI: Reserving DBG2 table memory at [mem 0x7aaa3610-0x7aaa3670] [ 0.019645] ACPI: Reserving HPET table memory at [mem 0x7aaa3680-0x7aaa36b7] [ 0.019772] No NUMA configuration found [ 0.019777] Faking a node at [mem 0x0000000000000000-0x000000017effffff] [ 0.019784] NODE_DATA(0) allocated [mem 0x17effa000-0x17effdfff] [ 0.019819] Zone ranges: [ 0.019822] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.019828] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.019834] Normal [mem 0x0000000100000000-0x000000017effffff] [ 0.019840] Movable zone start for each node [ 0.019843] Early memory node ranges [ 0.019847] node 0: [mem 0x0000000000001000-0x000000000009ffff] [ 0.019851] node 0: [mem 0x0000000000100000-0x000000007a997fff] [ 0.019855] node 0: [mem 0x0000000100000000-0x000000017effffff] [ 0.019860] Initmem setup node 0 [mem 0x0000000000001000-0x000000017effffff] [ 0.019887] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.019922] On node 0, zone DMA: 96 pages in unavailable ranges [ 0.029886] On node 0, zone Normal: 22120 pages in unavailable ranges [ 0.029951] On node 0, zone Normal: 4096 pages in unavailable ranges [ 0.029974] Reserving Intel graphics memory at [mem 0x7c000000-0x7fffffff] [ 0.030314] ACPI: PM-Timer IO Port: 0x1808 [ 0.030365] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-119 [ 0.030376] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 0.030380] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.030392] Using ACPI (MADT) for SMP configuration information [ 0.030397] ACPI: HPET id: 0x8086a701 base: 0xfed00000 [ 0.030403] TSC deadline timer available [ 0.030407] smpboot: Allowing 4 CPUs, 0 hotplug CPUs [ 0.030431] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.030436] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000fffff] [ 0.030440] PM: hibernation: Registered nosave memory: [mem 0x7a998000-0x7affffff] [ 0.030444] PM: hibernation: Registered nosave memory: [mem 0x7b000000-0x7fffffff] [ 0.030447] PM: hibernation: Registered nosave memory: [mem 0x80000000-0xdfffffff] [ 0.030451] PM: hibernation: Registered nosave memory: [mem 0xe0000000-0xe3ffffff] [ 0.030454] PM: hibernation: Registered nosave memory: [mem 0xe4000000-0xfdffffff] [ 0.030458] PM: hibernation: Registered nosave memory: [mem 0xfe000000-0xfe00ffff] [ 0.030461] PM: hibernation: Registered nosave memory: [mem 0xfe010000-0xfed0ffff] [ 0.030464] PM: hibernation: Registered nosave memory: [mem 0xfed10000-0xfed19fff] [ 0.030468] PM: hibernation: Registered nosave memory: [mem 0xfed1a000-0xfed7ffff] [ 0.030471] PM: hibernation: Registered nosave memory: [mem 0xfed80000-0xfed84fff] [ 0.030475] PM: hibernation: Registered nosave memory: [mem 0xfed85000-0xfed8ffff] [ 0.030478] PM: hibernation: Registered nosave memory: [mem 0xfed90000-0xfed91fff] [ 0.030481] PM: hibernation: Registered nosave memory: [mem 0xfed92000-0xffffffff] [ 0.030488] [mem 0x80000000-0xdfffffff] available for PCI devices [ 0.030495] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns [ 0.041577] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:4 nr_node_ids:1 [ 0.041797] percpu: Embedded 59 pages/cpu s200848 r8192 d32624 u524288 [ 0.041861] Built 1 zonelists, mobility grouping on. Total pages: 1006266 [ 0.041865] Policy zone: Normal [ 0.041877] Kernel command line: earlyprintk=uart8250,mmio32,0xde000000,115200n8 console=ttyS0,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/7844617/extract-nfsrootfs-eks0q3m0,tcp,hard ip=dhcp tftpserverip=192.168.201.1 [ 0.042305] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) [ 0.042493] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear) [ 0.042566] mem auto-init: stack:off, heap alloc:off, heap free:off [ 0.060645] Memory: 3888548K/4089052K available (18450K kernel code, 3465K rwdata, 6808K rodata, 2036K init, 13236K bss, 200244K reserved, 0K cma-reserved) [ 0.060783] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 [ 0.060830] Kernel/User page tables isolation: enabled [ 0.060895] ftrace: allocating 53382 entries in 209 pages [ 0.106145] ftrace: allocated 209 pages with 4 groups [ 0.106378] Running RCU self tests [ 0.106390] rcu: Hierarchical RCU implementation. [ 0.106394] rcu: RCU event tracing is enabled. [ 0.106397] rcu: RCU lockdep checking is enabled. [ 0.106401] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=4. [ 0.106405] Rude variant of Tasks RCU enabled. [ 0.106408] Tracing variant of Tasks RCU enabled. [ 0.106412] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies. [ 0.106416] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 [ 0.114340] NR_IRQS: 4352, nr_irqs: 1024, preallocated irqs: 16 [ 0.114741] random: crng init done [ 0.114829] Console: colour dummy device 80x25 [ 0.189928] printk: console [ttyS0] enabled [ 0.190295] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.190957] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.191316] ... MAX_LOCK_DEPTH: 48 [ 0.191678] ... MAX_LOCKDEP_KEYS: 8192 [ 0.192059] ... CLASSHASH_SIZE: 4096 [ 0.192435] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.192818] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.193200] ... CHAINHASH_SIZE: 32768 [ 0.193584] memory used by lock dependency info: 6365 kB [ 0.194051] memory used for stack traces: 4224 kB [ 0.194469] per task-struct memory footprint: 1920 bytes [ 0.194982] ACPI: Core revision 20200925 [ 0.195526] hpet: HPET dysfunctional in PC10. Force disabled. [ 0.196025] APIC: Switch to symmetric I/O mode setup [ 0.200490] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x170fff30cc4, max_idle_ns: 440795237869 ns [ 0.201405] Calibrating delay loop (skipped), value calculated using timer frequency.. 3199.92 BogoMIPS (lpj=1599960) [ 0.202310] pid_max: default: 32768 minimum: 301 [ 0.202390] LSM: Security Framework initializing [ 0.202390] SELinux: Initializing. [ 0.202390] LSM support for eBPF active [ 0.202390] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.202390] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.202390] mce: CPU0: Thermal monitoring enabled (TM1) [ 0.202390] process: using mwait in idle threads [ 0.202390] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8 [ 0.202390] Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4 [ 0.202390] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 0.202390] Spectre V2 : Mitigation: IBRS [ 0.202390] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 0.202390] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB on VMEXIT [ 0.202390] RETBleed: Mitigation: IBRS [ 0.202390] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier [ 0.202390] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl and seccomp [ 0.202390] MDS: Vulnerable: Clear CPU buffers attempted, no microcode [ 0.202390] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode [ 0.202390] SRBDS: Vulnerable: No microcode [ 0.202390] ------------[ cut here ]------------ [ 0.202390] missing return thunk: lkdtm_rodata_do_nothing+0x0/0x10-lkdtm_rodata_do_nothing+0x5/0x10: e9 00 00 00 00 [ 0.202390] WARNING: CPU: 0 PID: 0 at arch/x86/kernel/alternative.c:712 apply_returns+0x1f5/0x220 [ 0.202390] Modules linked in: [ 0.202390] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.10.147-cip18 #1 [ 0.202390] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 0.202390] RIP: 0010:apply_returns+0x1f5/0x220 [ 0.202390] 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 a8 8b 2c b4 c6 05 09 5d e4 01 01 e8 76 7a e8 00 <0f> 0b e9 b9 fe ff ff 44 89 f9 c7 00 cc cc cc cc c7 44 08 fc cc cc [ 0.202390] RSP: 0000:ffffffffb4603de0 EFLAGS: 00010282 [ 0.202390] RAX: 0000000000000000 RBX: ffffffffb50e3fcc RCX: 0000000000000000 [ 0.202390] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffb2b7a891 [ 0.202390] RBP: ffffffffb3f9b320 R08: 0000000000000001 R09: 0000000000000001 [ 0.202390] R10: ffffffffb468fbc0 R11: 3fffffffffffffff R12: ffffffffb50fbb74 [ 0.202390] R13: cccccccccccccccc R14: ffffffffb3f9b325 R15: 0000000000000004 [ 0.202390] FS: 0000000000000000(0000) GS:ffff99b6fac00000(0000) knlGS:0000000000000000 [ 0.202390] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 0.202390] CR2: ffff99b6fefff000 CR3: 0000000012626001 CR4: 00000000003706f0 [ 0.202390] Call Trace: [ 0.202390] alternative_instructions+0x7d/0x143 [ 0.202390] check_bugs+0xedd/0xf39 [ 0.202390] start_kernel+0x517/0x54d [ 0.202390] secondary_startup_64_no_verify+0xc2/0xcb [ 0.202390] irq event stamp: 162217 [ 0.202390] hardirqs last enabled at (162225): [] console_unlock+0x4d1/0x5f0 [ 0.202390] hardirqs last disabled at (162232): [] console_unlock+0x444/0x5f0 [ 0.202390] softirqs last enabled at (1836): [] cgroup_idr_alloc.constprop.0+0x5b/0xe0 [ 0.202390] softirqs last disabled at (1834): [] cgroup_idr_alloc.constprop.0+0x2e/0xe0 [ 0.202390] ---[ end trace 51bf6f1fff15927b ]--- [ 0.202390] F# reeing SMP alternatives memory: 44K [ 0.202390] smpboot: CPU0: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz (family: 0x6, model: 0x8e, stepping: 0x9) [ 0.203061] Performance Events: PEBS fmt3+, Skylake events, 32-deep LBR, full-width counters, Intel PMU driver. [ 0.203405] ... version: 4 [ 0.203761] ... bit width: 48 [ 0.204122] ... generic registers: 4 [ 0.204397] ... value mask: 0000ffffffffffff [ 0.204861] ... max period: 00007fffffffffff [ 0.205323] ... fixed-purpose events: 3 [ 0.205395] ... event mask: 000000070000000f [ 0.206373] rcu: Hierarchical SRCU implementation. [ 0.208281] smp: Bringing up secondary CPUs ... [ 0.209142] x86: Booting SMP configuration: [ 0.209411] .... node #0, CPUs: #1 [ 0.210456] MDS CPU bug present and SMT on, data leak possible. See https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/mds.html for more details. [ 0.211419] MMIO Stale Data CPU bug present and SMT on, data leak possible. See https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/processor_mmio_stale_data.html for more details. [ 0.213085] #2 #3 [ 0.215408] smp: Brought up 1 node, 4 CPUs [ 0.215958] smpboot: Max logical packages: 1 [ 0.216336] smpboot: Total of 4 processors activated (12799.68 BogoMIPS) [ 0.218721] devtmpfs: initialized [ 0.219452] x86/mm: Memory block size: 128MB [ 0.223495] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns [ 0.224412] futex hash table entries: 1024 (order: 5, 131072 bytes, linear) [ 0.225416] pinctrl core: initialized pinctrl subsystem [ 0.226227] PM: RTC time: 07:49:48, date: 2022-11-04 [ 0.226918] NET: Registered protocol family 16 [ 0.228015] audit: initializing netlink subsys (disabled) [ 0.228440] audit: type=2000 audit(1667548188.027:1): state=initialized audit_enabled=0 res=1 [ 0.229111] thermal_sys: Registered thermal governor 'step_wise' [ 0.229177] thermal_sys: Registered thermal governor 'user_space' [ 0.229476] cpuidle: using governor menu [ 0.230547] ACPI: bus type PCI registered [ 0.231252] PCI: MMCONFIG for domain 0000 [bus 00-3f] at [mem 0xe0000000-0xe3ffffff] (base 0xe0000000) [ 0.231406] PCI: MMCONFIG at [mem 0xe0000000-0xe3ffffff] reserved in E820 [ 0.232025] PCI: Using configuration type 1 for base access [ 0.255593] Kprobes globally optimized [ 0.255962] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 0.256410] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 0.257166] cryptomgr_test (38) used greatest stack depth: 14880 bytes left [ 0.259694] ACPI: Added _OSI(Module Device) [ 0.260398] ACPI: Added _OSI(Processor Device) [ 0.260791] ACPI: Added _OSI(3.0 _SCP Extensions) [ 0.261204] ACPI: Added _OSI(Processor Aggregator Device) [ 0.261409] ACPI: Added _OSI(Linux-Dell-Video) [ 0.261804] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 0.262268] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 0.275053] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 0.283607] ACPI: EC: EC started [ 0.283916] ACPI: EC: interrupt blocked [ 0.285046] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.285401] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC used to handle transactions [ 0.286038] ACPI: Interpreter enabled [ 0.286426] ACPI: (supports S0 S3 S4 S5) [ 0.286777] ACPI: Using IOAPIC for interrupt routing [ 0.287288] PCI: Using host bridge windows from ACPI; if necessary, use \"pci=nocrs\" and report a bug [ 0.305130] ACPI: Power Resource [PRIC] (on) [ 0.434497] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 0.435044] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] [ 0.435712] acpi PNP0A08:00: _OSC: OS now controls [PME PCIeCapability LTR] [ 0.436379] acpi PNP0A08:00: [Firmware Info]: MMCONFIG for domain 0000 [bus 00-3f] only partially covers this bridge [ 0.437031] PCI host bridge to bus 0000:00 [ 0.437399] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 0.437987] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 0.438398] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 0.439043] pci_bus 0000:00: root bus resource [mem 0x000c0000-0x000c3fff window] [ 0.439398] pci_bus 0000:00: root bus resource [mem 0x000c4000-0x000c7fff window] [ 0.440042] pci_bus 0000:00: root bus resource [mem 0x000c8000-0x000cbfff window] [ 0.440397] pci_bus 0000:00: root bus resource [mem 0x000cc000-0x000cffff window] [ 0.441041] pci_bus 0000:00: root bus resource [mem 0x000d0000-0x000d3fff window] [ 0.441397] pci_bus 0000:00: root bus resource [mem 0x000d4000-0x000d7fff window] [ 0.442042] pci_bus 0000:00: root bus resource [mem 0x000d8000-0x000dbfff window] [ 0.442397] pci_bus 0000:00: root bus resource [mem 0x000dc000-0x000dffff window] [ 0.443042] pci_bus 0000:00: root bus resource [mem 0x000e0000-0x000e3fff window] [ 0.443397] pci_bus 0000:00: root bus resource [mem 0x000e4000-0x000e7fff window] [ 0.444042] pci_bus 0000:00: root bus resource [mem 0x000e8000-0x000ebfff window] [ 0.444397] pci_bus 0000:00: root bus resource [mem 0x000ec000-0x000effff window] [ 0.445042] pci_bus 0000:00: root bus resource [mem 0x000f0000-0x000fffff window] [ 0.445397] pci_bus 0000:00: root bus resource [mem 0x80000001-0xdfffffff window] [ 0.446042] pci_bus 0000:00: root bus resource [mem 0x800000000-0xbffffffff window] [ 0.446398] pci_bus 0000:00: root bus resource [mem 0xfd000000-0xfe7fffff window] [ 0.447042] pci_bus 0000:00: root bus resource [mem 0xfed40000-0xfed44fff window] [ 0.447398] pci_bus 0000:00: root bus resource [bus 00-ff] [ 0.447962] pci 0000:00:00.0: [8086:590c] type 00 class 0x060000 [ 0.449430] pci 0000:00:02.0: [8086:591c] type 00 class 0x030000 [ 0.449975] pci 0000:00:02.0: reg 0x10: [mem 0xd0000000-0xd0ffffff 64bit] [ 0.450410] pci 0000:00:02.0: reg 0x18: [mem 0xc0000000-0xcfffffff 64bit pref] [ 0.451042] pci 0000:00:02.0: reg 0x20: [io 0x1c00-0x1c3f] [ 0.452070] pci 0000:00:04.0: [8086:1903] type 00 class 0x118000 [ 0.452421] pci 0000:00:04.0: reg 0x10: [mem 0xd1120000-0xd1127fff 64bit] [ 0.453801] pci 0000:00:08.0: [8086:1911] type 00 class 0x088000 [ 0.454348] pci 0000:00:08.0: reg 0x10: [mem 0xd1130000-0xd1130fff 64bit] [ 0.455090] pci 0000:00:14.0: [8086:9d2f] type 00 class 0x0c0330 [ 0.455434] pci 0000:00:14.0: reg 0x10: [mem 0xd1100000-0xd110ffff 64bit] [ 0.456158] pci 0000:00:14.0: PME# supported from D3hot D3cold [ 0.457200] pci 0000:00:14.2: [8086:9d31] type 00 class 0x118000 [ 0.457435] pci 0000:00:14.2: reg 0x10: [mem 0xd1131000-0xd1131fff 64bit] [ 0.458733] pci 0000:00:15.0: [8086:9d60] type 00 class 0x118000 [ 0.459291] pci 0000:00:15.0: reg 0x10: [mem 0xd1132000-0xd1132fff 64bit] [ 0.460260] pci 0000:00:15.1: [8086:9d61] type 00 class 0x118000 [ 0.460442] pci 0000:00:15.1: reg 0x10: [mem 0xd1133000-0xd1133fff 64bit] [ 0.461913] pci 0000:00:19.0: [8086:9d66] type 00 class 0x118000 [ 0.462442] pci 0000:00:19.0: reg 0x10: [mem 0xfe034000-0xfe034fff 64bit] [ 0.463051] pci 0000:00:19.0: reg 0x18: [mem 0xd1135000-0xd1135fff 64bit] [ 0.464239] pci 0000:00:19.1: [8086:9d65] type 00 class 0x118000 [ 0.464442] pci 0000:00:19.1: reg 0x10: [mem 0xd1136000-0xd1136fff 64bit] [ 0.465906] pci 0000:00:1c.0: [8086:9d10] type 01 class 0x060400 [ 0.466594] pci 0000:00:1c.0: PME# supported from D0 D3hot D3cold [ 0.467927] pci 0000:00:1e.0: [8086:9d27] type 00 class 0x118000 [ 0.468442] pci 0000:00:1e.0: reg 0x10: [mem 0xd1137000-0xd1137fff 64bit] [ 0.469890] pci 0000:00:1e.2: [8086:9d29] type 00 class 0x118000 [ 0.470442] pci 0000:00:1e.2: reg 0x10: [mem 0xd1138000-0xd1138fff 64bit] [ 0.471886] pci 0000:00:1e.4: [8086:9d2b] type 00 class 0x080501 [ 0.472435] pci 0000:00:1e.4: reg 0x10: [mem 0xd1139000-0xd1139fff 64bit] [ 0.473981] pci 0000:00:1e.6: [8086:9d2d] type 00 class 0x080501 [ 0.474436] pci 0000:00:1e.6: reg 0x10: [mem 0xd113a000-0xd113afff 64bit] [ 0.475840] pci 0000:00:1f.0: [8086:9d4b] type 00 class 0x060100 [ 0.477183] pci 0000:00:1f.2: [8086:9d21] type 00 class 0x058000 [ 0.477434] pci 0000:00:1f.2: reg 0x10: [mem 0xd1128000-0xd112bfff] [ 0.478776] pci 0000:00:1f.3: [8086:9d71] type 00 class 0x040100 [ 0.479331] pci 0000:00:1f.3: reg 0x10: [mem 0xd112c000-0xd112ffff 64bit] [ 0.479455] pci 0000:00:1f.3: reg 0x20: [mem 0xd1110000-0xd111ffff 64bit] [ 0.480142] pci 0000:00:1f.3: PME# supported from D3hot D3cold [ 0.481202] pci 0000:00:1f.4: [8086:9d23] type 00 class 0x0c0500 [ 0.481462] pci 0000:00:1f.4: reg 0x10: [mem 0xd113c000-0xd113c0ff 64bit] [ 0.482119] pci 0000:00:1f.4: reg 0x20: [io 0xefa0-0xefbf] [ 0.483164] pci 0000:00:1f.5: [8086:9d24] type 00 class 0x000000 [ 0.483429] pci 0000:00:1f.5: reg 0x10: [mem 0xfe010000-0xfe010fff] [ 0.485041] pci 0000:01:00.0: [8086:095a] type 00 class 0x028000 [ 0.485594] pci 0000:01:00.0: reg 0x10: [mem 0xd1000000-0xd1001fff 64bit] [ 0.487126] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold [ 0.489076] pci 0000:00:1c.0: PCI bridge to [bus 01] [ 0.489413] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] [ 0.491364] ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.492316] ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 *10 12 14 15) [ 0.492693] ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.493617] ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.494544] ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.495468] ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.496390] ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.497320] ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.503428] ACPI: EC: interrupt unblocked [ 0.503795] ACPI: EC: event unblocked [ 0.504131] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.504397] ACPI: EC: GPE=0x6e [ 0.504679] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC initialization complete [ 0.505289] ACPI: \_SB_.PCI0.LPCB.EC0_: EC: Used to handle transactions and events [ 0.505824] iommu: Default domain type: Translated [ 0.506535] pci 0000:00:02.0: vgaarb: setting as boot VGA device [ 0.507007] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 0.507430] pci 0000:00:02.0: vgaarb: bridge control possible [ 0.507930] vgaarb: loaded [ 0.508706] SCSI subsystem initialized [ 0.509072] ACPI: bus type USB registered [ 0.509553] usbcore: registered new interface driver usbfs [ 0.510092] usbcore: registered new interface driver hub [ 0.510434] usbcore: registered new device driver usb [ 0.511000] pps_core: LinuxPPS API ver. 1 registered [ 0.511396] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 0.512187] PTP clock support registered [ 0.512623] Advanced Linux Sound Architecture Driver Initialized. [ 0.514351] NetLabel: Initializing [ 0.514397] NetLabel: domain hash size = 128 [ 0.514782] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 0.515343] NetLabel: unlabeled traffic allowed by default [ 0.515513] PCI: Using ACPI for IRQ routing [ 0.523757] clocksource: Switched to clocksource tsc-early [ 0.896368] VFS: Disk quotas dquot_6.6.0 [ 0.896783] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 0.897748] pnp: PnP ACPI init [ 0.898789] system 00:00: [mem 0xfed10000-0xfed17fff] has been reserved [ 0.899368] system 00:00: [mem 0xfed18000-0xfed18fff] has been reserved [ 0.899965] system 00:00: [mem 0xfed19000-0xfed19fff] has been reserved [ 0.900557] system 00:00: [mem 0xe0000000-0xe3ffffff] has been reserved [ 0.901133] system 00:00: [mem 0xfed20000-0xfed3ffff] has been reserved [ 0.901722] system 00:00: [mem 0xfed90000-0xfed93fff] could not be reserved [ 0.902327] system 00:00: [mem 0xfed45000-0xfed8ffff] could not be reserved [ 0.902947] system 00:00: [mem 0xff000000-0xffffffff] has been reserved [ 0.903537] system 00:00: [mem 0xfee00000-0xfeefffff] has been reserved [ 0.904114] system 00:00: [mem 0xfed00000-0xfed003ff] has been reserved [ 0.905588] system 00:01: [io 0x1800-0x18fe] has been reserved [ 0.906483] system 00:03: [io 0x0900-0x09fe] has been reserved [ 0.907234] system 00:04: [io 0x0200] has been reserved [ 0.907720] system 00:04: [io 0x0204] has been reserved [ 0.908187] system 00:04: [io 0x0800-0x087f] has been reserved [ 0.908718] system 00:04: [io 0x0880-0x08ff] has been reserved [ 0.911633] pnp: PnP ACPI: found 6 devices [ 0.925372] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 0.926257] NET: Registered protocol family 2 [ 0.926801] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear) [ 0.928836] tcp_listen_portaddr_hash hash table entries: 2048 (order: 5, 163840 bytes, linear) [ 0.929766] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear) [ 0.930648] TCP bind hash table entries: 32768 (order: 9, 2359296 bytes, linear) [ 0.932849] TCP: Hash tables configured (established 32768 bind 32768) [ 0.933687] MPTCP token hash table entries: 4096 (order: 6, 360448 bytes, linear) [ 0.934583] UDP hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 0.935408] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 0.936362] NET: Registered protocol family 1 [ 0.937355] RPC: Registered named UNIX socket transport module. [ 0.937913] RPC: Registered udp transport module. [ 0.938327] RPC: Registered tcp transport module. [ 0.938752] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 0.939820] NET: Registered protocol family 44 [ 0.940230] pci 0000:00:1c.0: PCI bridge to [bus 01] [ 0.940701] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] [ 0.941299] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 0.941846] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 0.942381] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 0.943036] pci_bus 0000:00: resource 7 [mem 0x000c0000-0x000c3fff window] [ 0.943643] pci_bus 0000:00: resource 8 [mem 0x000c4000-0x000c7fff window] [ 0.944239] pci_bus 0000:00: resource 9 [mem 0x000c8000-0x000cbfff window] [ 0.944844] pci_bus 0000:00: resource 10 [mem 0x000cc000-0x000cffff window] [ 0.945459] pci_bus 0000:00: resource 11 [mem 0x000d0000-0x000d3fff window] [ 0.946061] pci_bus 0000:00: resource 12 [mem 0x000d4000-0x000d7fff window] [ 0.946673] pci_bus 0000:00: resource 13 [mem 0x000d8000-0x000dbfff window] [ 0.947275] pci_bus 0000:00: resource 14 [mem 0x000dc000-0x000dffff window] [ 0.947886] pci_bus 0000:00: resource 15 [mem 0x000e0000-0x000e3fff window] [ 0.948501] pci_bus 0000:00: resource 16 [mem 0x000e4000-0x000e7fff window] [ 0.949103] pci_bus 0000:00: resource 17 [mem 0x000e8000-0x000ebfff window] [ 0.949714] pci_bus 0000:00: resource 18 [mem 0x000ec000-0x000effff window] [ 0.950316] pci_bus 0000:00: resource 19 [mem 0x000f0000-0x000fffff window] [ 0.950931] pci_bus 0000:00: resource 20 [mem 0x80000001-0xdfffffff window] [ 0.951546] pci_bus 0000:00: resource 21 [mem 0x800000000-0xbffffffff window] [ 0.952162] pci_bus 0000:00: resource 22 [mem 0xfd000000-0xfe7fffff window] [ 0.952774] pci_bus 0000:00: resource 23 [mem 0xfed40000-0xfed44fff window] [ 0.953377] pci_bus 0000:01: resource 1 [mem 0xd1000000-0xd10fffff] [ 0.954343] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 0.956910] PCI: CLS 64 bytes, default 64 [ 0.957615] Unpacking initramfs... [ 1.204386] Freeing initrd memory: 8236K [ 1.204877] DMAR: Host address width 39 [ 1.205255] DMAR: DRHD base: 0x000000fed90000 flags: 0x0 [ 1.205804] DMAR: dmar0: reg_base_addr fed90000 ver 1:0 cap 1c0000c40660462 ecap 19e2ff0505e [ 1.206542] DMAR: RMRR base: 0x0000007b800000 end: 0x0000007fffffff [ 1.207086] DMAR: DRHD base: 0x000000fed91000 flags: 0x1 [ 1.207575] DMAR: dmar1: reg_base_addr fed91000 ver 1:0 cap d2008c40660462 ecap f050da [ 1.208341] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 1.208913] software IO TLB: mapped [mem 0x0000000076998000-0x000000007a998000] (64MB) [ 1.209781] RAPL PMU: API unit is 2^-32 Joules, 5 fixed counters, 655360 ms ovfl timer [ 1.210485] RAPL PMU: hw unit of domain pp0-core 2^-14 Joules [ 1.210985] RAPL PMU: hw unit of domain package 2^-14 Joules [ 1.211488] RAPL PMU: hw unit of domain dram 2^-14 Joules [ 1.211959] RAPL PMU: hw unit of domain pp1-gpu 2^-14 Joules [ 1.212459] RAPL PMU: hw unit of domain psys 2^-14 Joules [ 1.214542] kvm: already loaded the other module [ 1.226578] check: Scanning for low memory corruption every 60 seconds [ 1.230047] Initialise system trusted keyrings [ 1.230665] workingset: timestamp_bits=56 max_order=20 bucket_order=0 [ 1.249340] NFS: Registering the id_resolver key type [ 1.249837] Key type id_resolver registered [ 1.250228] Key type id_legacy registered [ 1.265957] Key type asymmetric registered [ 1.266343] Asymmetric key parser 'x509' registered [ 1.266835] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249) [ 1.267498] io scheduler mq-deadline registered [ 1.267899] io scheduler kyber registered [ 1.268461] test_firmware: interface ready [ 1.270257] pcieport 0000:00:1c.0: PME: Signaling with IRQ 120 [ 1.271950] ACPI: AC Adapter [AC] (on-line) [ 1.272679] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/PNP0C0D:00/input/input0 [ 1.274285] ACPI: Lid Switch [LID0] [ 1.274853] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input1 [ 1.275722] ACPI: Power Button [PWRF] [ 1.276360] ACPI: \_PR_.CP00: Found 3 idle states [ 1.277529] ACPI: \_PR_.CP01: Found 3 idle states [ 1.278509] ACPI: \_PR_.CP02: Found 3 idle states [ 1.279467] ACPI: \_PR_.CP03: Found 3 idle states [ 1.280829] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 1.284029] hpet_acpi_add: no address or irqs in _CRS [ 1.284751] Non-volatile memory driver v1.3 [ 1.285318] battery: ACPI: Battery Slot [BAT0] (battery present) [ 1.285327] Linux agpgart interface v0.103 [ 1.287898] i915 0000:00:02.0: vgaarb: deactivate vga console [ 1.340841] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem [ 1.342184] i915 0000:00:02.0: Direct firmware load for i915/kbl_dmc_ver1_04.bin failed with error -2 [ 1.343113] i915 0000:00:02.0: [drm] Failed to load DMC firmware i915/kbl_dmc_ver1_04.bin. Disabling runtime power management. [ 1.344327] i915 0000:00:02.0: [drm] DMC firmware homepage: https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/tree/i915 [ 1.382560] [drm] Initialized i915 1.6.0 20200917 for 0000:00:02.0 on minor 0 [ 1.386468] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 1 [ 1.404679] loop: module loaded [ 1.405765] lkdtm: No crash points registered, enable through debugfs [ 1.428777] printk: console [ttyS0] disabled [ 1.429436] dw-apb-uart.2: ttyS0 at MMIO 0xfe034000 (irq = 32, base_baud = 115200) is a 16550A [ 2.280639] tsc: Refined TSC clocksource calibration: 1608.000 MHz [ 2.293454] printk: console [ttyS0] enabled [ 2.302280] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x172daa3a18b, max_idle_ns: 440795212390 ns [ 2.324163] dw-apb-uart.4: ttyS1 at MMIO 0xd1137000 (irq = 20, base_baud = 115200) is a 16550A [ 4.870687] clocksource: Switched to clocksource tsc [ 4.870810] fbcon: i915drmfb (fb0) is primary device [ 4.873154] pxa2xx-spi pxa2xx-spi.5: no DMA channels available, using PIO [ 4.881552] e100: Intel(R) PRO/100 Network Driver [ 4.881555] e100: Copyright(c) 1999-2006 Intel Corporation [ 4.881613] e1000: Intel(R) PRO/1000 Network Driver [ 4.881615] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 4.881688] e1000e: Intel(R) PRO/1000 Network Driver [ 4.881690] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 4.881768] sky2: driver version 1.30 [ 4.882056] usbcore: registered new interface driver r8152 [ 4.882467] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 4.882484] ehci-pci: EHCI PCI platform driver [ 4.882544] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 4.882559] ohci-pci: OHCI PCI platform driver [ 4.882613] uhci_hcd: USB Universal Host Controller Interface driver [ 4.883650] xhci_hcd 0000:00:14.0: xHCI Host Controller [ 4.884456] tpm_tis_spi spi-PRP0001:00: TPM ready IRQ confirmed on attempt 2 [ 4.884506] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 1 [ 4.885799] xhci_hcd 0000:00:14.0: hcc params 0x200077c1 hci version 0x100 quirks 0x0000000081109810 [ 4.885848] xhci_hcd 0000:00:14.0: cache line size of 64 is not supported [ 4.887576] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10 [ 4.887593] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 4.887597] usb usb1: Product: xHCI Host Controller [ 4.887600] usb usb1: Manufacturer: Linux 5.10.147-cip18 xhci-hcd [ 4.887604] usb usb1: SerialNumber: 0000:00:14.0 [ 4.889233] hub 1-0:1.0: USB hub found [ 4.889424] hub 1-0:1.0: 12 ports detected [ 4.893867] xhci_hcd 0000:00:14.0: xHCI Host Controller [ 4.894285] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 2 [ 4.894298] xhci_hcd 0000:00:14.0: Host supports USB 3.0 SuperSpeed [ 4.894721] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.10 [ 4.894730] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 4.894735] usb usb2: Product: xHCI Host Controller [ 4.894739] usb usb2: Manufacturer: Linux 5.10.147-cip18 xhci-hcd [ 4.894744] usb usb2: SerialNumber: 0000:00:14.0 [ 4.896037] hub 2-0:1.0: USB hub found [ 4.896148] hub 2-0:1.0: 6 ports detected [ 4.898512] usbcore: registered new interface driver usblp [ 4.898594] usbcore: registered new interface driver usb-storage [ 4.899075] udc-core: couldn't find an available UDC - added [g_ether] to list of pending drivers [ 4.899208] i8042: PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1 [ 4.899211] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp [ 4.900055] i8042: Warning: Keylock active [ 4.900289] serio: i8042 KBD port at 0x60,0x64 irq 1 [ 4.902345] rtc_cmos 00:02: RTC can wake from S4 [ 4.902936] Console: switching to colour frame buffer device 240x67 [ 4.904559] rtc_cmos 00:02: registered as rtc0 [ 4.904927] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input2 [ 4.905664] tpm_tis_spi spi-PRP0001:00: 2.0 TPM (device-id 0x28, rev-id 0) [ 4.906305] rtc_cmos 00:02: alarms up to one month, 242 bytes nvram [ 4.907357] i801_smbus 0000:00:1f.4: SPD Write Disable is set [ 4.907419] i801_smbus 0000:00:1f.4: SMBus using PCI interrupt [ 4.908337] i2c i2c-9: 2/2 memory slots populated (from DMI) [ 4.909881] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com [ 4.909912] intel_pstate: Intel P-state driver initializing [ 4.910796] intel_pstate: HWP enabled [ 4.910839] sdhci: Secure Digital Host Controller Interface driver [ 4.910840] sdhci: Copyright(c) Pierre Ossman [ 4.910881] sdhci-pci 0000:00:1e.4: SDHCI controller found [8086:9d2b] (rev 21) [ 4.912097] mmc0: SDHCI controller on PCI [0000:00:1e.4] using ADMA 64-bit [ 4.912309] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 4.914233] hid: raw HID events driver (C) Jiri Kosina [ 4.914878] usbcore: registered new interface driver usbhid [ 4.914879] usbhid: USB HID core driver [ 4.915364] input: Tablet Mode Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/GOOG0006:00/input/input3 [ 4.920956] i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device [ 4.931144] cros_ec_lpcs GOOG0004:00: Chrome EC device registered [ 5.012947] tpm_tis_spi spi-PRP0001:00: Cr50 firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_A:0.5.6/cr50_v1.9308_87_mp.510-d2 [ 5.018240] snd_hda_intel 0000:00:1f.3: DSP detected with PCI class/subclass/prog-if info 0x040100 [ 5.117772] mmc0: new HS400 MMC card at address 0001 [ 5.126364] ipip: IPv4 and MPLS over IPv4 tunneling driver [ 5.138736] mmcblk0: mmc0:0001 DA4064 58.2 GiB [ 5.139414] gre: GRE over IPv4 demultiplexor driver [ 5.143430] usb 1-3: new full-speed USB device number 2 using xhci_hcd [ 5.145940] mmcblk0boot0: mmc0:0001 DA4064 partition 1 4.00 MiB [ 5.151013] ip_gre: GRE over IPv4 tunneling driver [ 5.155330] mmcblk0boot1: mmc0:0001 DA4064 partition 2 4.00 MiB [ 5.160580] IPv4 over IPsec tunneling driver [ 5.166020] mmcblk0rpmb: mmc0:0001 DA4064 partition 3 16.0 MiB, chardev (246:0) [ 5.172889] Initializing XFRM netlink socket [ 5.203900] mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12 [ 5.206864] NET: Registered protocol family 10 [ 5.252016] snd_hda_intel 0000:00:1f.3: bound 0000:00:02.0 (ops i915_audio_component_bind_ops) [ 5.254325] Segment Routing with IPv6 [ 5.273905] snd_hda_intel 0000:00:1f.3: Cannot probe codecs, giving up [ 5.282846] ip6_gre: GRE over IPv6 tunneling driver [ 5.318085] usb 1-3: New USB device found, idVendor=8087, idProduct=0a2a, bcdDevice= 0.03 [ 5.320520] NET: Registered protocol family 17 [ 5.328317] usb 1-3: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 5.430496] usb 2-3: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 5.431528] 8021q: 802.1Q VLAN Support v1.8 [ 5.449246] usb 2-3: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=31.00 [ 5.456238] Key type dns_resolver registered [ 5.460978] usb 2-3: New USB device strings: Mfr=1, Product=2, SerialNumber=6 [ 5.460981] usb 2-3: Product: USB 10/100/1000 LAN [ 5.460984] usb 2-3: Manufacturer: Realtek [ 5.565296] usb 2-3: SerialNumber: 001000001 [ 5.570648] microcode: sig=0x806e9, pf=0x10, revision=0x98 [ 5.576950] microcode: Microcode Update Driver: v2.2. [ 5.576963] IPI shorthand broadcast: enabled [ 5.587465] sched_clock: Marking stable (5500734816, 86681924)->(5679170859, -91754119) [ 5.596817] registered taskstats version 1 [ 5.601428] Loading compiled-in X.509 certificates [ 5.609439] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.619163] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.621450] usb 1-9: new high-speed USB device number 3 using xhci_hcd [ 5.628895] PM: Magic number: 14:857:823 [ 5.639465] printk: console [netcon0] enabled [ 5.644366] netconsole: network logging started [ 5.796157] usb 1-9: New USB device found, idVendor=13d3, idProduct=56d4, bcdDevice=18.07 [ 5.805341] usb 1-9: New USB device strings: Mfr=3, Product=1, SerialNumber=2 [ 5.813342] usb 1-9: Product: USB2.0 HD UVC WebCam [ 5.818717] usb 1-9: Manufacturer: Azurewave [ 5.823516] usb 1-9: SerialNumber: 0x0001 [ 5.835962] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.880776] usb 2-3: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 5.924671] r8152 2-3:1.0: load rtl8153b-2 v1 10/23/19 successfully [ 5.960732] r8152 2-3:1.0 eth0: v1.11.11 [ 5.965788] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.966272] IP-Config: Failed to open gretap0 [ 5.978857] IP-Config: Failed to open erspan0 [ 6.000634] Sending DHCP requests .. [ 9.051321] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready [ 9.062696] r8152 2-3:1.0 eth0: carrier on [ 12.858519] DHCP/BOOTP: Reply not for us on eth0, op[2] xid[2f57a9e7] [ 12.865873] DHCP/BOOTP: Reply not for us on eth0, op[2] xid[2f57a9e7] [ 13.125536] ., OK [ 13.131735] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.13 [ 13.140701] IP-Config: Complete: [ 13.144343] device=eth0, hwaddr=00:e0:4c:68:0b:d9, ipaddr=192.168.201.13, mask=255.255.255.0, gw=192.168.201.1 [ 13.156012] host=asus-C433TA-AJ0005-rammus-cbg-0, domain=lava-rack, nis-domain=(none) [ 13.165259] bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath= [ 13.165261] nameserver0=192.168.201.1 [ 13.178150] cfg80211: Loading compiled-in X.509 certificates for regulatory database [ 13.189908] modprobe (99) used greatest stack depth: 14120 bytes left [ 13.193087] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' [ 13.197148] modprobe (100) used greatest stack depth: 14032 bytes left [ 13.211977] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 [ 13.212536] ALSA device list: [ 13.221648] cfg80211: failed to load regulatory.db [ 13.224973] No soundcards found. [ 13.234583] dw-apb-uart dw-apb-uart.2: forbid DMA for kernel console [ 13.244645] Freeing unused kernel image (initmem) memory: 2036K [ 13.263690] Write protecting the kernel read-only data: 28672k [ 13.271413] Freeing unused kernel image (text/rodata gap) memory: 2028K [ 13.279342] Freeing unused kernel image (rodata/data gap) memory: 1384K [ 13.286856] Run /init as init process [ 13.295863] cat (109) used greatest stack depth: 14016 bytes left Loading, please wait... Starting version 247.3-7+deb11u1 [ 13.315366] systemd-udevd (121) used greatest stack depth: 13672 bytes left [ 13.371724] udevadm (123) used greatest stack depth: 13576 bytes left [ 13.530513] cros-usbpd-notify-acpi GOOG0003:00: Couldn't get Chrome EC device pointer. [ 13.539731] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 13.572446] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 13.619860] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 13.634365] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 13.644937] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 13.656667] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 13.672895] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 13.683502] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 13.726976] udevadm (142) used greatest stack depth: 13400 bytes left Begin: Loading essential drivers ... done. Begin: Running /scripts/init-premount ... done. Begin: Mounting root file system ... Begin: Running /scripts/nfs-top ... done. Begin: Running /scripts/nfs-premount ... done. IP-Config: gretap0 hardware address 00:00:00:00:00:00 mtu 1462 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: erspan0 hardware address 00:00:00:00:00:00 mtu 1450 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: eth0 hardware address 00:e0:4c:68:0b:d9 mtu 1500 DHCP IP-Config: eth0 complete (dhcp from 192.168.201.1): address: 192.168.201.13 broadcast: 192.168.201.255 netmask: 255.255.255.0 gateway: 192.168.201.1 dns0 : 192.168.201.1 dns1 : 0.0.0.0 host : asus-C433TA-AJ0005-rammus-cbg-0 domain : lava-rack rootserver: 192.168.201.1 rootpath: filename : [ 13.907629] nfsmount (160) used greatest stack depth: 12688 bytes left done. Begin: Running /scripts/nfs-bottom ... done. Begin: Running /scripts/init-bottom ... done. SELinux: Could not open policy file <= /etc/selinux/targeted/policy/policy.33: No such file or directory [ 14.251559] systemd[1]: systemd 247.3-7+deb11u1 running in system mode. (+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 +ZSTD +SECCOMP +BLKID +ELFUTILS +KMOD +IDN2 -IDN +PCRE2 default-hierarchy=unified) [ 14.290721] systemd[1]: Detected architecture x86-64. Welcome to [1mDebian GNU/Linux 11 (bullseye)[0m! [ 14.310552] systemd[1]: Set hostname to . [ 14.685456] systemd[1]: Queued start job for default target Graphical Interface. [ 14.695898] systemd[1]: Created slice system-getty.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-getty.slice[0m. [ 14.712027] systemd[1]: Created slice system-modprobe.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-modprobe.slice[0m. [ 14.728051] systemd[1]: Created slice system-serial\x2dgetty.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-serial\x2dgetty.slice[0m. [ 14.745016] systemd[1]: Created slice User and Session Slice. [[0;32m OK [0m] Created slice [0;1;39mUser and Session Slice[0m. [ 14.760961] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [[0;32m OK [0m] Started [0;1;39mDispatch Password …ts to Console Directory Watch[0m. [ 14.779930] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [[0;32m OK [0m] Started [0;1;39mForward Password R…uests to Wall Directory Watch[0m. [ 14.801542] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point. [[0;32m OK [0m] Set up automount [0;1;39mArbitrary…s File System Automount Point[0m. [ 14.821801] systemd[1]: Reached target Local Encrypted Volumes. [[0;32m OK [0m] Reached target [0;1;39mLocal Encrypted Volumes[0m. [ 14.837699] systemd[1]: Reached target Paths. [[0;32m OK [0m] Reached target [0;1;39mPaths[0m. [ 14.848662] systemd[1]: Reached target Remote File Systems. [[0;32m OK [0m] Reached target [0;1;39mRemote File Systems[0m. [ 14.864657] systemd[1]: Reached target Slices. [[0;32m OK [0m] Reached target [0;1;39mSlices[0m. [ 14.875655] systemd[1]: Reached target Swap. [[0;32m OK [0m] Reached target [0;1;39mSwap[0m. [ 14.886961] systemd[1]: Listening on initctl Compatibility Named Pipe. [[0;32m OK [0m] Listening on [0;1;39minitctl Compatibility Named Pipe[0m. [ 14.904516] systemd[1]: Listening on Journal Audit Socket. [[0;32m OK [0m] Listening on [0;1;39mJournal Audit Socket[0m. [ 14.920665] systemd[1]: Listening on Journal Socket (/dev/log). [[0;32m OK [0m] Listening on [0;1;39mJournal Socket (/dev/log)[0m. [ 14.937079] systemd[1]: Listening on Journal Socket. [[0;32m OK [0m] Listening on [0;1;39mJournal Socket[0m. [ 14.952520] systemd[1]: Listening on Network Service Netlink Socket. [[0;32m OK [0m] Listening on [0;1;39mNetwork Service Netlink Socket[0m. [ 14.970357] systemd[1]: Listening on udev Control Socket. [[0;32m OK [0m] Listening on [0;1;39mudev Control Socket[0m. [ 14.986079] systemd[1]: Listening on udev Kernel Socket. [[0;32m OK [0m] Listening on [0;1;39mudev Kernel Socket[0m. [ 15.003446] systemd[1]: Mounting Huge Pages File System... Mounting [0;1;39mHuge Pages File System[0m... [ 15.020556] systemd[1]: Mounting POSIX Message Queue File System... Mounting [0;1;39mPOSIX Message Queue File System[0m... [ 15.039000] systemd[1]: Mounting Kernel Debug File System... Mounting [0;1;39mKernel Debug File System[0m... [ 15.054350] systemd[1]: Mounting Kernel Trace File System... Mounting [0;1;39mKernel Trace File System[0m... [ 15.071781] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting [0;1;39mCreate list of st…odes for the current kernel[0m... [ 15.093510] systemd[1]: Starting Load Kernel Module configfs... Starting [0;1;39mLoad Kernel Module configfs[0m... [ 15.113700] systemd[1]: Starting Load Kernel Module drm... Starting [0;1;39mLoad Kernel Module drm[0m... [ 15.132848] systemd[1]: Starting Load Kernel Module fuse... Starting [0;1;39mLoad Kernel Module fuse[0m... [ 15.150678] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. [ 15.167896] systemd[1]: Starting Journal Service... Starting [0;1;39mJournal Service[0m... [ 15.176096] fuse: init (API version 7.32) [ 15.187728] systemd[1]: Starting Load Kernel Modules... Starting [0;1;39mLoad Kernel Modules[0m... [ 15.203763] systemd[1]: Starting Remount Root and Kernel File Systems... Starting [0;1;39mRemount Root and Kernel File Systems[0m... [ 15.222923] systemd[1]: Starting Coldplug All udev Devices... Starting [0;1;39mColdplug All udev Devices[0m... [ 15.242989] systemd[1]: Mounted Huge Pages File System. [[0;32m OK [0m] Mounted [0;1;39mHuge Pages File System[0m. [ 15.258935] systemd[1]: Mounted POSIX Message Queue File System. [[0;32m OK [0m] Mounted [0;1;39mPOSIX Message Queue File System[0m. [ 15.275808] systemd[1]: Mounted Kernel Debug File System. [[0;32m OK [0m] Mounted [0;1;39mKernel Debug File System[0m. [ 15.290809] systemd[1]: Mounted Kernel Trace File System. [[0;32m OK [0m] Mounted [0;1;39mKernel Trace File System[0m. [ 15.307205] systemd[1]: Finished Create list of static device nodes for the current kernel. [[0;32m OK [0m] Finished [0;1;39mCreate list of st… nodes for the current kernel[0m. [ 15.327510] systemd[1]: modprobe@configfs.service: Succeeded. [ 15.334572] systemd[1]: Finished Load Kernel Module configfs. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module configfs[0m. [ 15.350233] systemd[1]: modprobe@drm.service: Succeeded. [ 15.356742] systemd[1]: Finished Load Kernel Module drm. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module drm[0m. [ 15.371962] systemd[1]: Started Journal Service. [[0;32m OK [0m] Started [0;1;39mJournal Service[0m. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module fuse[0m. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Modules[0m. [[0;32m OK [0m] Finished [0;1;39mRemount Root and Kernel File Systems[0m. Mounting [0;1;39mFUSE Control File System[0m... Mounting [0;1;39mKernel Configuration File System[0m... Starting [0;1;39mFlush Journal to Persistent Storage[0m... Starting [0;1;39mLoad/Save Random Seed[0m... Starting [0;1;39mApply Kernel Variables[0m... [ 15.467461] systemd-journald[197]: Received client request to flush runtime journal. Starting [0;1;39mCreate System Users[0m... [[0;32m OK [0m] Mounted [0;1;39mFUSE Control File System[0m. [[0;32m OK [0m] Mounted [0;1;39mKernel Configuration File System[0m. [[0;32m OK [0m] Finished [0;1;39mLoad/Save Random Seed[0m. [[0;32m OK [0m] Finished [0;1;39mApply Kernel Variables[0m. [[0;32m OK [0m] Finished [0;1;39mColdplug All udev Devices[0m. [[0;32m OK [0m] Finished [0;1;39mCreate System Users[0m. [[0;32m OK [0m] Finished [0;1;39mFlush Journal to Persistent Storage[0m. Starting [0;1;39mCreate Static Device Nodes in /dev[0m... [[0;32m OK [0m] Finished [0;1;39mCreate Static Device Nodes in /dev[0m. [[0;32m OK [0m] Reached target [0;1;39mLocal File Systems (Pre)[0m. [[0;32m OK [0m] Reached target [0;1;39mLocal File Systems[0m. Starting [0;1;39mCreate Volatile Files and Directories[0m... Starting [0;1;39mRule-based Manage…for Device Events and Files[0m... [[0;32m OK [0m] Started [0;1;39mRule-based Manager for Device Events and Files[0m. Starting [0;1;39mNetwork Service[0m... [[0;32m OK [0m] Finished [0;1;39mCreate Volatile Files and Directories[0m. Starting [0;1;39mNetwork Time Synchronization[0m... Starting [0;1;39mUpdate UTMP about System Boot/Shutdown[0m... [[0;32m OK [0m] Finished [0;1;39mUpdate UTMP about System Boot/Shutdown[0m. [[0;32m OK [0m] Found device [0;1;39mSunrise Point-LP Serial IO UART Controller[0m. [[0;32m OK [0m] Started [0;1;39mNetwork Time Synchronization[0m. [[0;32m OK [0m] Started [0;1;39mNetwork Service[0m. [[0;32m OK [0m] Created slice [0;1;39msystem-systemd\x2dbacklight.slice[0m. [[0;32m OK [0m] Reached target [0;1;39mSystem Time Set[0m. [[0;32m OK [0m] Reached target [0;1;39mSystem Time Synchronized[0m. [[0;32m OK [0m] Listening on [0;1;39mLoad/Save RF …itch Status /dev/rfkill Watch[0m. Starting [0;1;39mLoad/Save Screen …f backlight:intel_backlight[0m... Starting [0;1;39mNetwork Name Resolution[0m... [[0;32m OK [0m] Finished [0;1;39mLoad/Save Screen … of backlight:intel_backlight[0m. [[0;32m OK [0m] Reached target [0;1;39mSystem Initialization[0m. [[0;32m OK [0m] Started [0;1;39mDaily apt download activities[0m. [[0;32m OK [0m] Started [0;1;39mDaily apt upgrade and clean activities[0m. [[0;32m OK [0m] Started [0;1;39mPeriodic ext4 Onli…ata Check for All Filesystems[0m. [[0;32m OK [0m] Started [0;1;39mDiscard unused blocks once a week[0m. [[0;32m OK [0m] Started [0;1;39mDaily Cleanup of Temporary Directories[0m. [[0;32m OK [0m] Reached target [0;1;39mTimers[0m. [[0;32m OK [0m] Listening on [0;1;39mD-Bus System Message Bus Socket[0m. [[0;32m OK [0m] Reached target [0;1;39mSockets[0m. [[0;32m OK [0m] Reached target [0;1;39mBasic System[0m. [[0;32m OK [0m] Started [0;1;39mD-Bus System Message Bus[0m. Starting [0;1;39mRemove Stale Onli…t4 Metadata Check Snapshots[0m... Starting [0;1;39mUser Login Management[0m... [[0;32m OK [0m] Started [0;1;39mNetwork Name Resolution[0m. [[0;32m OK [0m] Finished [0;1;39mRemove Stale Onli…ext4 Metadata Check Snapshots[0m. [[0;32m OK [0m] Reached target [0;1;39mNetwork[0m. [[0;32m OK [0m] Reached target [0;1;39mHost and Network Name Lookups[0m. Starting [0;1;39mPermit User Sessions[0m... [[0;32m OK [0m] Started [0;1;39mUser Login Management[0m. [[0;32m OK [0m] Finished [0;1;39mPermit User Sessions[0m. [[0;32m OK [0m] Started [0;1;39mGetty on tty1[0m. [[0;32m OK [0m] Started [0;1;39mSerial Getty on ttyS0[0m. [[0;32m OK [0m] Reached target [0;1;39mLogin Prompts[0m. [[0;32m OK [0m] Reached target [0;1;39mMulti-User System[0m. [[0;32m OK [0m] Reached target [0;1;39mGraphical Interface[0m. Starting [0;1;39mUpdate UTMP about System Runlevel Changes[0m... [[0;32m OK [0m] Finished [0;1;39mUpdate UTMP about System Runlevel Changes[0m. Debian GNU/Linux 11 debian-bullseye-amd64 ttyS0 debian-bullseye-amd64 login: root (automatic login) [ 16.998674] run-parts (268) used greatest stack depth: 12528 bytes left Linux debian-bullseye-amd64 5.10.147-cip18 #1 SMP Fri Nov 4 07:44:14 UTC 2022 x86_64 The programs included with the Debian GNU/Linux system are free software; the exact distribution terms for each program are described in the individual files in /usr/share/doc/*/copyright. Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent permitted by applicable law. / # / # export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/7844617/extract-nfsrootfs-eks0q3m0' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/7844617/extract-nfsrootfs-eks0q3m0' / # 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-7844617/environment . /lava-7844617/environment / # /lava-7844617/bin/lava-test-runner /lava-7844617/0 /lava-7844617/bin/lava-test-runner /lava-7844617/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-7844617/0/tests/0_timesync-off ++ cat uuid + UUID=7844617_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-7844617/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=7844617_1.5.2.3.5 + set +x + cd ./automated/linux/kselftest/ + ./kselftest.sh -c lkdtm -T '' -t kselftest_armhf.tar.gz -s false -u http://storage.kernelci.org/cip/linux-5.10.y-cip/v5.10.147-cip18-12-gcb2b164780be/x86_64/x86_64_defconfig+x86-chromebook+kselftest/gcc-10/kselftest.tar.xz -L '' -S skipfile-lkft.yaml -b asus-C433TA-AJ0005-rammus -g cip -e '' -p /opt/kselftests/mainline/ INFO: Generating a skipfile based on /lava-7844617/0/tests/1_kselftest-lkdtm/automated/linux/kselftest/skipfile-lkft.yaml INFO: Using the following generated skipfile contents (until EOF): breakpoints:breakpoint_test breakpoints:step_after_suspend_test ftrace:ftracetest net:rtnetlink.sh net:tls netfilter:bridge_brouter.sh netfilter:nft_flowtable.sh netfilter:nft_trans_stress.sh pidfd:pidfd_wait INFO: EOF INFO: Installing sed perl wget xz-utils iproute2 Hit:1 http://deb.debian.org/debian bullseye InRelease Reading package lists... Reading package lists... Building dependency tree... Reading state information... iproute2 is already the newest version (5.10.0-4). perl is already the newest version (5.32.1-4+deb11u2). sed is already the newest version (4.7-1). wget is already the newest version (1.21-1+deb11u1). xz-utils is already the newest version (5.2.5-2.1~deb11u1). 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. --2022-11-04 07:50:10-- http://storage.kernelci.org/cip/linux-5.10.y-cip/v5.10.147-cip18-12-gcb2b164780be/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: 3541420 (3.4M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 1%[ ] 47.81K 164KB/s kselftest.tar.xz 6%[> ] 218.91K 375KB/s kselftest.tar.xz 18%[==> ] 653.96K 635KB/s kselftest.tar.xz 54%[=========> ] 1.84M 1.39MB/s kselftest.tar.xz 78%[==============> ] 2.64M 1.64MB/s kselftest.tar.xz 97%[==================> ] 3.30M 1.73MB/s kselftest.tar.xz 100%[===================>] 3.38M 1.77MB/s in 1.9s 2022-11-04 07:50:12 (1.77 MB/s) - 'kselftest.tar.xz' saved [3541420/3541420] 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 ======================================== [ 27.188125] 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 [ 27.360228] lkdtm: Performing direct entry BUG [ 27.365295] ------------[ cut here ]------------ [ 27.370518] kernel BUG at drivers/misc/lkdtm/bugs.c:76! [ 27.376433] invalid opcode: 0000 [#1] SMP PTI [ 27.381303] CPU: 0 PID: 727 Comm: cat Tainted: G W 5.10.147-cip18 #1 [ 27.389847] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 27.396653] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 27.401035] Code: 89 ff e8 2e b5 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 20 fb 93 02 [ 27.422008] RSP: 0018:ffffac3d0145fe60 EFLAGS: 00010286 [ 27.427833] RAX: ffffffffb32de9f0 RBX: 0000000000000001 RCX: 0000000000000000 [ 27.435794] RDX: 0000000000000000 RSI: ffff99b6fac1bf70 RDI: ffffffffb3f9ae90 [ 27.443764] RBP: ffffffffb43e5e78 R08: 0000000000000001 R09: 0000000000000001 [ 27.451724] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 27.459696] R13: ffffac3d0145ff10 R14: ffffac3d0145ff10 R15: ffff99b6841b4000 [ 27.467658] FS: 00007f06f57d6580(0000) GS:ffff99b6fac00000(0000) knlGS:0000000000000000 [ 27.476696] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 27.483103] CR2: 00007f06f55df000 CR3: 0000000103c18006 CR4: 00000000003706f0 [ 27.491065] Call Trace: [ 27.493791] direct_entry.cold+0x2c/0x38 [ 27.498171] full_proxy_write+0x53/0x80 [ 27.502459] vfs_write+0xe7/0x3a0 [ 27.506164] ksys_write+0x68/0xf0 [ 27.509865] do_syscall_64+0x30/0x40 [ 27.513860] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 27.519499] RIP: 0033:0x7f06f56ec8f3 [ 27.523488] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 27.544470] RSP: 002b:00007ffc8fefcf28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 27.552926] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f06f56ec8f3 [ 27.560894] RDX: 0000000000000004 RSI: 00007f06f55df000 RDI: 0000000000000001 [ 27.568863] RBP: 00007f06f55df000 R08: 00007f06f55de010 R09: 0000000000000000 [ 27.576832] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 27.584799] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 27.592773] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 27.619282] ---[ end trace 51bf6f1fff15927d ]--- [ 27.624494] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 27.628912] Code: 89 ff e8 2e b5 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 20 fb 93 02 [ 27.649911] RSP: 0018:ffffac3d0145fe60 EFLAGS: 00010286 [ 27.655782] RAX: ffffffffb32de9f0 RBX: 0000000000000001 RCX: 0000000000000000 [ 27.663769] RDX: 0000000000000000 RSI: ffff99b6fac1bf70 RDI: ffffffffb3f9ae90 [ 27.671756] RBP: ffffffffb43e5e78 R08: 0000000000000001 R09: 0000000000000001 [ 27.679750] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 27.687760] R13: ffffac3d0145ff10 R14: ffffac3d0145ff10 R15: ffff99b6841b4000 [ 27.695738] FS: 00007f06f57d6580(0000) GS:ffff99b6fac00000(0000) knlGS:0000000000000000 [ 27.704786] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 27.711211] CR2: 00007f06f55df000 CR3: 0000000103c18006 CR4: 00000000003706f0 # Segmentation fault # [ 27.360228] lkdtm: Performing direct entry BUG # [ 27.365295] ------------[ cut here ]------------ # [ 27.370518] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 27.376433] invalid opcode: 0000 [#1] SMP PTI # [ 27.381303] CPU: 0 PID: 727 Comm: cat Tainted: G W 5.10.147-cip18 #1 # [ 27.389847] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 27.396653] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 27.401035] Code: 89 ff e8 2e b5 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 20 fb 93 02 # [ 27.422008] RSP: 0018:ffffac3d0145[ 27.795545] lkdtm: Performing direct entry WARNING [ 27.805540] ------------[ cut here ]------------ fe60 EFLAGS: 00010286 # [ 27.427833] RAX: ffffffffb32de9f0 RB[ 27.810713] WARNING: CPU: 2 PID: 763 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 X: 0000000000000001 RCX: 0000000000000000 # [ 27.435794] RDX:[ 27.826345] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 27.859015] CPU: 2 PID: 763 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 27.867593] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 27.874417] RIP: 0010:lkdtm_WARNING+0x13/0x20 [ 27.879290] 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 20 fb 93 02 01 75 05 c3 cc cc cc cc <0f> 0b c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 01 fb [ 27.900275] RSP: 0018:ffffac3d014d7e60 EFLAGS: 00010202 [ 27.906110] RAX: ffffffffb32dea00 RBX: 0000000000000002 RCX: 0000000000000000 [ 27.914080] RDX: 0000000000000000 RSI: ffff99b6fad1bf70 RDI: ffffffffb3f9aea0 [ 27.922052] RBP: ffffffffb438a887 R08: 0000000000000000 R09: 0000000000000000 [ 27.930023] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 [ 27.937999] R13: ffffac3d014d7f10 R14: ffffac3d014d7f10 R15: ffff99b685867000 [ 27.946007] FS: 00007ff87a672580(0000) GS:ffff99b6fad00000(0000) knlGS:0000000000000000 [ 27.955080] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 27.961498] CR2: 00007ff87a47b000 CR3: 00000001041fc003 CR4: 00000000003706e0 [ 27.969483] Call Trace: [ 27.972215] direct_entry.cold+0x2c/0x38 [ 27.976654] full_proxy_write+0x53/0x80 0000000000000000 RSI: ffff99b6fac1bf70 RDI: ffffffffb3f9ae90 #[ 27.980956] vfs_write+0xe7/0x3a0 [ 27.990859] ksys_write+0x68/0xf0 [ 27.994593] do_syscall_64+0x30/0x40 [ 27.998618] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 28.004292] RIP: 0033:0x7ff87a5888f3 [ 28.008286] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 28.029274] RSP: 002b:00007ffdd5ae4918 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 28.037736] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007ff87a5888f3 [ 28.045711] RDX: 0000000000000008 RSI: 00007ff87a47b000 RDI: 0000000000000001 [ 28.053685] RBP: 00007ff87a47b000 R08: 00007ff87a47a010 R09: 0000000000000000 [ 28.061660] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 28.069635] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 28.077631] irq event stamp: 0 [ 27.443764] RBP: ffffffffb43e5e78 R08: 0000000000000001 R09:[ 28.081051] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 28.094264] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 28.103454] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 28.112595] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 28.119596] ---[ end trace 51bf6f1fff15927e ]--- 0000000000000001 # [ 27.451724] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 27.459696] R13: ffffac3d0145ff10 R14: ffffac3d0145ff10 R15: ffff99b6841b4000 # [ 27.467658] FS: 00007f06f57d6580(0000) GS:ffff99b6fac00000(0000) knlGS:0000000000000000 # [ 27.476696] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 27.483103] CR2: 00007f06f55df000 CR3: 0000000103c18006 CR4: 00000000003706f0 # [ 27.491065] Call Trace: # [ 27.493791] direct_entry.cold+0x2c/0x38 # [ 27.498171] full_proxy_write+0x53/0x80 # [ 27.502459] vfs_write+0xe7/0x3a0 # [ 27.506164] ksys_write+0x68/0xf0 # [ 27.509865] do_syscall_64+0x30/0x40 # [ 27.513860] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 27.519499] RIP: 0033:0x7f06f56ec8f3 # [ 27.523488] Code: 8b 15 a1 25 0e 00 f7 d8 64[ 28.199785] lkdtm: Performing direct entry WARNING_MESSAGE 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 [ 28.211726] ------------[ cut here ]------------ [ 28.223097] Warning message trigger count: 2 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3[ 28.227906] WARNING: CPU: 2 PID: 798 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 [ 28.244311] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 27.544470] RSP: 0[ 28.270773] CPU: 2 PID: 798 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 28.285564] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 02b:00007ffc8fefcf28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001[ 28.292386] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 [ 28.304236] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 01 fb 93 02 48 c7 c7 e8 ad 38 b4 8d 70 01 89 35 f1 fa 93 02 e8 cb 1d 66 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 [ 28.325250] RSP: 0018:ffffac3d01567e60 EFLAGS: 00010286 [ 28.331087] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 28.339061] RDX: ffff99b6fad2c660 RSI: ffff99b6fad1bf70 RDI: ffff99b6fad1bf70 [ 28.347034] RBP: ffffffffb438a88f R08: 0000000000000000 R09: 0000000000000000 [ 28.355008] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 [ 28.362980] R13: ffffac3d01567f10 R14: ffffac3d01567f10 R15: ffff99b68126b000 [ 28.370953] FS: 00007efc7633a580(0000) GS:ffff99b6fad00000(0000) knlGS:0000000000000000 [ 28.379993] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 27.552926] RAX: ffffffffffffffda RBX: 0000000000000004 R[ 28.386431] CR2: 00007efc76143000 CR3: 0000000103d2e004 CR4: 00000000003706e0 [ 28.400618] Call Trace: [ 28.403351] direct_entry.cold+0x2c/0x38 [ 28.407781] full_proxy_write+0x53/0x80 CX: 00007f06f56ec8f3 # [ 27.560894] RDX: 0000000000000004 RSI[ 28.412076] vfs_write+0xe7/0x3a0 [ 28.421987] ksys_write+0x68/0xf0 [ 28.425720] do_syscall_64+0x30/0x40 [ 28.429742] entry_SYSCALL_64_after_hwframe+0x61/0xc6 : 00007f06f55df000 RDI: 0000000000000001 # [ 27.568863] RBP: [ 28.435432] RIP: 0033:0x7efc762508f3 [ 28.445637] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 28.466623] RSP: 002b:00007ffc3f918198 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 28.475083] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007efc762508f3 [ 28.483055] RDX: 0000000000000010 RSI: 00007efc76143000 RDI: 0000000000000001 [ 28.491031] RBP: 00007efc76143000 R08: 00007efc76142010 R09: 0000000000000000 [ 28.499036] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 28.507012] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 28.514993] irq event stamp: 0 [ 28.518436] hardirqs last enabled at (0): [<0000000000000000>] 0x0 00007f06f55df000 R08: 00007f06f55de010 R09: 0000000000000000 # [ 28.525449] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 28.540797] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 28.549937] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 28.556940] ---[ end trace 51bf6f1fff15927f ]--- [ 27.576832] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 27.584799] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 27.592773] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 27.619282] ---[ end trace 51bf6f1fff15927d ]--- # [ 27.624494] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 27.628912] Code: 89 ff e8 2e b5 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 20 fb 93 02 # [ 27.649911] RSP: 0018:ffffac3d0145fe60 EFLAGS: 00010286 # [ 27.6[ 28.637519] lkdtm: Performing direct entry EXCEPTION [ 28.648500] BUG: kernel NULL pointer dereference, address: 0000000000000000 55782] RAX: ffffffffb32de9f0 RBX: 0000000000000001 RCX: 00000000[ 28.656287] #PF: supervisor write access in kernel mode [ 28.668332] #PF: error_code(0x0002) - not-present page [ 28.674068] PGD 0 P4D 0 [ 28.676884] Oops: 0002 [#2] SMP PTI [ 28.680777] CPU: 3 PID: 830 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 28.689321] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 28.696129] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 [ 28.701087] Code: 48 c7 c7 e8 ad 38 b4 8d 70 01 89 35 f1 fa 93 02 e8 cb 1d 66 00 0f 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 04 25 00 00 00 00 00 00 00 00 c3 cc cc cc cc 66 66 2e 0f 1f 84 [ 28.722071] RSP: 0018:ffffac3d015e7e60 EFLAGS: 00010286 [ 28.727905] RAX: ffffffffb32dea50 RBX: 0000000000000004 RCX: 0000000000000000 [ 28.735876] RDX: 0000000000000000 RSI: ffff99b6fad9bf70 RDI: ffffffffb3f9aec0 [ 28.743846] RBP: ffffffffb42bfd17 R08: 0000000000000000 R09: 0000000000000000 [ 28.751815] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 28.759784] R13: ffffac3d015e7f10 R14: ffffac3d015e7f10 R15: ffff99b684130000 [ 28.767754] FS: 00007f53b6c3d580(0000) GS:ffff99b6fad80000(0000) knlGS:0000000000000000 [ 28.776791] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 28.783206] CR2: 0000000000000000 CR3: 000000010336c001 CR4: 00000000003706e0 [ 28.791175] Call Trace: [ 28.793904] direct_entry.cold+0x2c/0x38 [ 28.798285] full_proxy_write+0x53/0x80 [ 28.802566] vfs_write+0xe7/0x3a0 [ 28.806265] ksys_write+0x68/0xf0 [ 28.809964] do_syscall_64+0x30/0x40 [ 28.813953] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 28.819592] RIP: 0033:0x7f53b6b538f3 [ 28.823581] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 28.844566] RSP: 002b:00007ffd4c0d8618 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 28.853012] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f53b6b538f3 [ 28.860981] RDX: 000000000000000a RSI: 00007f53b6a46000 RDI: 0000000000000001 [ 28.868950] RBP: 00007f53b6a46000 R08: 00007f53b6a45010 R09: 0000000000000000 [ 28.876920] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 28.884889] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 28.892863] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 00000000 # [ 27.663769] RDX: 0000000000000000 RSI: ffff99b6fa[ 28.919327] CR2: 0000000000000000 [ 28.929239] ---[ end trace 51bf6f1fff159280 ]--- [ 28.934384] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 28.938759] Code: 89 ff e8 2e b5 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 20 fb 93 02 [ 28.959745] RSP: 0018:ffffac3d0145fe60 EFLAGS: 00010286 [ 28.965570] RAX: ffffffffb32de9f0 RBX: 0000000000000001 RCX: 0000000000000000 [ 28.973541] RDX: 0000000000000000 RSI: ffff99b6fac1bf70 RDI: ffffffffb3f9ae90 [ 28.981512] RBP: ffffffffb43e5e78 R08: 0000000000000001 R09: 0000000000000001 [ 28.989482] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 28.997452] R13: ffffac3d0145ff10 R14: ffffac3d0145ff10 R15: ffff99b6841b4000 [ 29.005432] FS: 00007f53b6c3d580(0000) GS:ffff99b6fad80000(0000) knlGS:0000000000000000 [ 29.014475] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 29.020890] CR2: 0000000000000000 CR3: 000000010336c001 CR4: 00000000003706e0 [ 29.028860] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 29.038773] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 830, name: cat [ 29.047130] INFO: lockdep is turned off. [ 29.051506] irq event stamp: 0 [ 29.054911] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 29.061910] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 29.071039] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 29.080166] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 29.087165] CPU: 3 PID: 830 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 29.095716] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 29.102519] Call Trace: [ 29.105246] dump_stack+0x77/0x9b [ 29.108945] ___might_sleep.cold+0xa6/0xb6 [ 29.113518] exit_signals+0x1c/0x2e0 [ 29.117507] do_exit+0xd5/0xb00 [ 29.121010] ? ksys_write+0x68/0xf0 [ 29.124902] rewind_stack_do_exit+0x17/0x20 [ 29.129569] RIP: 0033:0x7f53b6b538f3 [ 29.133557] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 29.154543] RSP: 002b:00007ffd4c0d8618 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 29.162989] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f53b6b538f3 [ 29.170958] RDX: 000000000000000a RSI: 00007f53b6a46000 RDI: 0000000000000001 [ 29.178929] RBP: 00007f53b6a46000 R08: 00007f53b6a45010 R09: 0000000000000000 [ 29.186900] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 29.194870] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 c1bf70 RDI: ffffffffb3f9ae90 # [ 27.671756] RBP: ffffffffb43e5e78 R08: 0000000000000001 R09: 0000000000000001 # [ 27.679750] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 27.687760] R13: ffffac3d0145ff10 R14: ffffac3d0145ff10 R15: ffff99b6841b4000 # [ 27.695738] FS: 00007f06f57d6580(0000) GS:ffff99b6fac00000(0000) knlGS:0000000000000000 # [ 27.704786] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 27.711211] CR2: 00007f06f55df000 CR3: 0000000103c18006 CR4: 00000000003706f0 # BUG: saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh # [ 27.795545] lkdtm: Performing direct entry WARNING # [ 27.805540] ------------[ cut here ]------------ # [ 27.810713] WARNING: CPU: 2 PID: 763 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 # [ 27.826345] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 27.859015] CPU: 2 PID: 763 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 27.867593] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 27.874417] RIP: 0010:lkdtm_WARNING+0x13/0x20 # [ 27.879290] 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 20 fb 93 02 01 75 05 c3 cc cc cc cc <0f> 0b c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 01 fb # [ 27.900275] RSP: 0018:ffffac3d014d7e60 EFLAGS: 00010202 # [ 27.906110] RAX: ffffffffb32dea00 RBX: 0000000000000002 RCX: 0000000000000000 # [ 27.914080] RDX: 0000000000000000 RSI: ffff99b6fad1bf70 RDI: ffffffffb3f9aea0 # [ 27.922052] RBP: ffffffffb438a887 R08: 0000000000000000 R09: 0000000000000000 # [ 27.930023] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 # [ 27.937999] R13: ffffac3d014d7f10 R14: ffffac3d014d7f10 R15: ffff99b685867000 # [ 27.946007] FS: 00007ff87a672580(0000) GS:ffff99b6fad00000(0000) knlGS:0000000000000000 # [ 27.955080] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 27.961498] CR2: 00007ff87a47b000 CR3: 00000001041fc003 CR4: 00000000003706e0 # [ 27.969483] Call Trace: # [ 27.972215] direct_entry.cold+0x2c/0x38 # [ 27.976654] full_proxy_write+0x53/0x80 # [ 27.980956] vfs_write+0xe7/0x3a0[ 29.437686] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 27.990859] ksys_write+0x68/0xf0 # [ 27.994593] do_sy[ 29.445291] lkdtm: attempting good list addition scall_64+0x30/0x40 # [ 27.998618] entry_SYSCALL_64_after_hwf[ 29.456702] lkdtm: attempting corrupted list addition rame+0x61/0xc6 # [ 28.004292] RIP: 0033:0x7ff87a5888f3 # [ [ 29.468589] lkdtm: list_add() corruption not detected! 28.008286] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 28.029274] RSP: 002b:00007ffdd5ae4918 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 28.037736] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007ff87a5888f3 # [ 28.045711] RDX: 0000000000000008 RSI: 00007ff87a47b000 RDI: 0000000000000001 # [ 28.053685] RBP: 00007ff87a47b000 R08: 00007ff87a47a010 R09: 0000000000000000 # [ 28.061660] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 28.069635] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 28.077631] irq event stamp: 0 # [ 28.081051] hardirqs last enabled at (0): [<0000000000000000>] 0x0[ 29.558436] lkdtm: Performing direct entry CORRUPT_LIST_DEL [ 29.567534] lkdtm: attempting good list removal [ 29.572603] lkdtm: attempting corrupted list removal [ 29.578154] lkdtm: list_del() corruption not detected! # [ 28.094264] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 28.103454] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 28.112595] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 28.119596] ---[ end trace 51bf6f1fff15927e ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ 28.199785] lkdtm: Performing direct entry WARNING_MESSAGE # [ 28.211726] ------------[ cut here ]------------ # [ 28.223097] Warning message trigger count: 2 # [ 28.227906] WARNING: CPU: 2 PID: 798 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 28.244311] Modules linked in: fuse ip_tables cros_ec_sen[ 29.657904] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING sors cros_ec_sensors_core industrialio_triggered_buffer kfifo_bu[ 29.665525] lkdtm: attempting bad read from page below current stack f industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cr[ 29.678876] BUG: stack guard page was hit at 00000000584ebcb8 (stack is 0000000008cd2512..00000000496efb04) [ 29.695936] kernel stack overflow (page fault): 0000 [#3] SMP PTI [ 29.702740] CPU: 0 PID: 1055 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 29.711388] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 29.718196] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a [ 29.724714] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 88 b1 38 b4 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 cf a0 fd ff 48 c7 c7 c8 b1 38 b4 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 b5 a0 fd ff 0f 1f 44 [ 29.745699] RSP: 0018:ffffac3d0194fe50 EFLAGS: 00010246 [ 29.751532] RAX: 0000000000000038 RBX: ffffac3d0194c000 RCX: 0000000000000000 [ 29.759502] RDX: 0000000000000000 RSI: ffff99b6fac1bf70 RDI: ffffffffb438b1c8 [ 29.767470] RBP: ffffffffb438a8f2 R08: 0000000000000000 R09: 0000000000000000 [ 29.775439] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 [ 29.783409] R13: ffffac3d0194ff10 R14: ffffac3d0194ff10 R15: ffff99b686557000 [ 29.791370] FS: 00007fca1ef65580(0000) GS:ffff99b6fac00000(0000) knlGS:0000000000000000 [ 29.800398] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 29.806813] CR2: ffffac3d0194bfff CR3: 000000010653c001 CR4: 00000000003706f0 [ 29.814781] Call Trace: [ 29.817508] ? lkdtm_CORRUPT_LIST_DEL+0xe0/0xe0 [ 29.822566] direct_entry.cold+0x2c/0x38 [ 29.826945] full_proxy_write+0x53/0x80 [ 29.831234] vfs_write+0xe7/0x3a0 [ 29.834938] ksys_write+0x68/0xf0 [ 29.838643] do_syscall_64+0x30/0x40 [ 29.842637] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 29.848268] RIP: 0033:0x7fca1ee7b8f3 [ 29.852257] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 29.873239] RSP: 002b:00007ffe08539588 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 29.881695] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fca1ee7b8f3 [ 29.889665] RDX: 0000000000000019 RSI: 00007fca1ed6e000 RDI: 0000000000000001 [ 29.897633] RBP: 00007fca1ed6e000 R08: 00007fca1ed6d010 R09: 0000000000000000 [ 29.905602] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 29.913572] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 29.921546] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 29.947988] ---[ end trace 51bf6f1fff159281 ]--- [ 29.953142] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 29.957509] Code: 89 ff e8 2e b5 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 20 fb 93 02 [ 29.978491] RSP: 0018:ffffac3d0145fe60 EFLAGS: 00010286 [ 29.984324] RAX: ffffffffb32de9f0 RBX: 0000000000000001 RCX: 0000000000000000 [ 29.992293] RDX: 0000000000000000 RSI: ffff99b6fac1bf70 RDI: ffffffffb3f9ae90 [ 30.000262] RBP: ffffffffb43e5e78 R08: 0000000000000001 R09: 0000000000000001 [ 30.008233] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 30.016201] R13: ffffac3d0145ff10 R14: ffffac3d0145ff10 R15: ffff99b6841b4000 [ 30.024171] FS: 00007fca1ef65580(0000) GS:ffff99b6fac00000(0000) knlGS:0000000000000000 [ 30.033209] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 30.039617] CR2: ffffac3d0194bfff CR3: 000000010653c001 CR4: 00000000003706f0 [ 30.047586] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 30.057498] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1055, name: cat [ 30.065952] INFO: lockdep is turned off. [ 30.070328] irq event stamp: 0 [ 30.073734] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 30.080724] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 30.089859] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 30.098994] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 30.105993] CPU: 0 PID: 1055 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 30.114634] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 30.121437] Call Trace: [ 30.124163] dump_stack+0x77/0x9b [ 30.127863] ___might_sleep.cold+0xa6/0xb6 [ 30.132441] exit_signals+0x1c/0x2e0 [ 30.136430] do_exit+0xd5/0xb00 [ 30.139924] ? ksys_write+0x68/0xf0 [ 30.143817] rewind_stack_do_exit+0x17/0x20 [ 30.148490] RIP: 0033:0x7fca1ee7b8f3 [ 30.152480] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 30.173454] RSP: 002b:00007ffe08539588 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 30.181913] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fca1ee7b8f3 [ 30.189874] RDX: 0000000000000019 RSI: 00007fca1ed6e000 RDI: 0000000000000001 [ 30.197844] RBP: 00007fca1ed6e000 R08: 00007fca1ed6d010 R09: 0000000000000000 [ 30.205814] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 30.213784] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 os_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 28.270773] CPU: 2 PID: 798 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 28.285564] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 28.292386] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 28.304236] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 01 fb 93 02 48 c7 c7 e8 ad 38 b4 8d 70 01 89 35 f1 fa 93 02 e8 cb 1d 66 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 # [ 28.325250] RSP: 0018:ffffac3d01567e60 EFLAGS: 00010286 # [ 28.331087] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 # [ 28.339061] RDX: ffff99b6fad2c660 RSI: ffff99b6fad1bf70 RDI: ffff99b6fad1bf70 # [ 28.347034] RBP: ffffffffb438a88f R08: 0000000000000000 R09: 0000000000000000 # [ 28.355008] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 # [ 28.362980] R13: ffffac3d01567f10[ 30.310470] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING [ 30.322097] lkdtm: attempting bad read from page above current stack [ 30.329221] BUG: stack guard page was hit at 00000000f4d5a835 (stack is 000000000d5b21f5..00000000ebed4b14) R14: ffffac3d01567f10 R15: ffff99b68126b000 # [ 28.370953] F[ 30.340107] kernel stack overflow (page fault): 0000 [#4] SMP PTI [ 30.353126] CPU: 3 PID: 1088 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 30.361775] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 30.368582] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d [ 30.375193] Code: a0 fd ff 0f 1f 44 00 00 53 48 c7 c7 00 b2 38 b4 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 95 a0 fd ff 48 c7 c7 40 b2 38 b4 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 78 a0 fd ff [ 30.396179] RSP: 0018:ffffac3d019e7e50 EFLAGS: 00010246 [ 30.402014] RAX: 0000000000000038 RBX: ffffac3d019e4000 RCX: 0000000000000000 [ 30.409984] RDX: 0000000000000000 RSI: ffff99b6fad9bf70 RDI: ffffffffb438b240 [ 30.417954] RBP: ffffffffb438a90b R08: 0000000000000000 R09: 0000000000000000 [ 30.425924] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a [ 30.433894] R13: ffffac3d019e7f10 R14: ffffac3d019e7f10 R15: ffff99b685aa7000 [ 30.441863] FS: 00007fb5ee6a1580(0000) GS:ffff99b6fad80000(0000) knlGS:0000000000000000 [ 30.450903] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 30.457318] CR2: ffffac3d019e8000 CR3: 0000000106408003 CR4: 00000000003706e0 [ 30.465288] Call Trace: [ 30.468014] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a [ 30.473841] direct_entry.cold+0x2c/0x38 [ 30.478220] full_proxy_write+0x53/0x80 [ 30.482502] vfs_write+0xe7/0x3a0 [ 30.486200] ksys_write+0x68/0xf0 [ 30.489891] do_syscall_64+0x30/0x40 [ 30.493880] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 30.499510] RIP: 0033:0x7fb5ee5b78f3 [ 30.503498] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 30.524484] RSP: 002b:00007ffddc68e4b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 30.532931] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007fb5ee5b78f3 [ 30.540901] RDX: 000000000000001a RSI: 00007fb5ee4aa000 RDI: 0000000000000001 [ 30.548871] RBP: 00007fb5ee4aa000 R08: 00007fb5ee4a9010 R09: 0000000000000000 [ 30.556841] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 30.564811] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 30.572784] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify S: 00007efc7633a580(0000) GS:ffff99b6fad00000(0000) knlGS:00000[ 30.599245] ---[ end trace 51bf6f1fff159282 ]--- [ 30.610611] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 30.614989] Code: 89 ff e8 2e b5 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 20 fb 93 02 [ 30.635964] RSP: 0018:ffffac3d0145fe60 EFLAGS: 00010286 [ 30.641798] RAX: ffffffffb32de9f0 RBX: 0000000000000001 RCX: 0000000000000000 [ 30.649767] RDX: 0000000000000000 RSI: ffff99b6fac1bf70 RDI: ffffffffb3f9ae90 [ 30.657738] RBP: ffffffffb43e5e78 R08: 0000000000000001 R09: 0000000000000001 [ 30.665707] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 30.673678] R13: ffffac3d0145ff10 R14: ffffac3d0145ff10 R15: ffff99b6841b4000 [ 30.681648] FS: 00007fb5ee6a1580(0000) GS:ffff99b6fad80000(0000) knlGS:0000000000000000 [ 30.690686] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 30.697101] CR2: ffffac3d019e8000 CR3: 0000000106408003 CR4: 00000000003706e0 [ 30.705072] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 30.714984] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1088, name: cat [ 30.723439] INFO: lockdep is turned off. [ 30.727815] irq event stamp: 0 [ 30.731221] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 30.738220] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 30.747354] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 30.756488] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 30.763488] CPU: 3 PID: 1088 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 30.772137] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 30.778942] Call Trace: [ 30.781668] dump_stack+0x77/0x9b [ 30.785359] ___might_sleep.cold+0xa6/0xb6 [ 30.789931] exit_signals+0x1c/0x2e0 [ 30.793910] do_exit+0xd5/0xb00 [ 30.797426] ? ksys_write+0x68/0xf0 [ 30.801319] rewind_stack_do_exit+0x17/0x20 [ 30.805986] RIP: 0033:0x7fb5ee5b78f3 [ 30.809973] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 30.830957] RSP: 002b:00007ffddc68e4b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 30.839426] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007fb5ee5b78f3 [ 30.847395] RDX: 000000000000001a RSI: 00007fb5ee4aa000 RDI: 0000000000000001 [ 30.855376] RBP: 00007fb5ee4aa000 R08: 00007fb5ee4a9010 R09: 0000000000000000 [ 30.863347] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 30.871315] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 00000000000 # [ 28.379993] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 28.386431] CR2: 00007efc76143000 CR3: 0000000103d2e004 CR4: 00000000003706e0 # [ 28.400618] Call Trace: # [ 28.403351] direct_entry.cold+0x2c/0x38 # [ 28.407781] full_proxy_write+0x53/0x80 # [ 28.412076] vfs_write+0xe7/0x3a0 # [ 28.421987] ksys_write+0x68/0xf0 # [ 28.425720] do_syscall_64+0x30/0x40 # [ 28.429742] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 28.435432] RIP: 0033:0x7efc762508f3 # [ 28.445637] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 28.466623] RSP: 002b:00007ffc3f918198 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 28.475083] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007efc762508f3 # [ 28.483055] RDX: 0000000000000010 RSI: 00007efc76143000 RDI: 0000000000000001 # [ 28.491031] RBP: 00007efc76143[ 30.973263] lkdtm: Performing direct entry UNSET_SMEP [ 30.984418] lkdtm: trying to clear SMEP normally [ 30.989588] ------------[ cut here ]------------ [ 30.994758] pinned CR4 bits changed: 0x100000!? [ 30.999872] WARNING: CPU: 3 PID: 1124 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60 000 R08: 00007efc76142010 R09: 0000000000000000 # [ 28.499036[ 31.010093] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 31.042732] CPU: 3 PID: 1124 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 31.051394] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 31.058236] RIP: 0010:native_write_cr4+0x45/0x60 [ 31.063433] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d 61 a3 e3 01 00 75 f2 48 c7 c7 58 9d 2c b4 c6 05 51 a3 e3 01 01 e8 a6 c0 e7 00 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 ] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000[ 31.084431] RSP: 0018:ffffac3d01a37e48 EFLAGS: 00010286 [ 31.096483] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 0000000000000000 [ 31.104460] RDX: ffff99b6fadac660 RSI: ffff99b6fad9bf70 RDI: ffff99b6fad9bf70 [ 31.112482] RBP: ffffffffb438a925 R08: 0000000000000000 R09: 0000000000000000 [ 31.120471] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b [ 31.128484] R13: ffffac3d01a37f10 R14: ffffac3d01a37f10 R15: ffff99b6858e6000 [ 31.136471] FS: 00007f4568638580(0000) GS:ffff99b6fad80000(0000) knlGS:0000000000000000 001 # [ 28.507012] R13: 0000000000000001 R14: 000000000002000[ 31.145550] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 31.158181] CR2: 00007f4568441000 CR3: 000000010271a004 CR4: 00000000003706e0 [ 31.166156] Call Trace: [ 31.168890] lkdtm_UNSET_SMEP.cold+0x1d/0x103 [ 31.173790] direct_entry.cold+0x2c/0x38 [ 31.178203] full_proxy_write+0x53/0x80 [ 31.182520] vfs_write+0xe7/0x3a0 [ 31.186253] ksys_write+0x68/0xf0 [ 31.189989] do_syscall_64+0x30/0x40 [ 31.194013] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 31.199659] RIP: 0033:0x7f456854e8f3 [ 31.203683] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 31.224674] RSP: 002b:00007fff8ea83e28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 31.233165] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f456854e8f3 [ 31.241141] RDX: 000000000000000b RSI: 00007f4568441000 RDI: 0000000000000001 [ 31.249146] RBP: 00007f4568441000 R08: 00007f4568440010 R09: 0000000000000000 [ 31.257121] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 31.265096] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 31.273075] irq event stamp: 0 [ 31.276515] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 31.283521] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 31.292693] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 31.301832] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 31.308837] ---[ end trace 51bf6f1fff159283 ]--- [ 31.314025] lkdtm: ok: SMEP did not get cleared [ 31.319087] lkdtm: trying to clear SMEP with call gadget [ 31.325022] lkdtm: ok: SMEP removal was reverted 0 R15: 0000000000020000 # [ 28.514993] irq event stamp: 0 # [ 28.518436] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 28.525449] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 28.540797] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 28.549937] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 28.556940] ---[ end trace 51bf6f1fff15927f ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCEPTION.sh # Killed # [ 28.637519] lkdtm: Performing direct entry EXCEPTION # [ 28.648500] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 28.656287] #PF: supervisor write access in kernel mode # [ 28.668332] #PF: error_code(0x0002[ 31.409987] lkdtm: Performing direct entry DOUBLE_FAULT [ 31.416849] lkdtm: XFAIL: this test is ia32-only ) - not-present page # [ 28.674068] PGD 0 P4D 0 # [ 28.676884] Oops: 0002 [#2] SMP PTI # [ 28.680777] CPU: 3 PID: 830 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 28.689321] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 28.696129] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 # [ 28.701087] Code: 48 c7 c7 e8 ad 38 b4 8d 70 01 89 35 f1 fa 93 02 e8 cb 1d 66 00 0f 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 04 25 00 00 00 00 00 00 00 00 c3 cc cc cc cc 66 66 2e 0f 1f 84 # [ 28.722071] RSP: 0018:ffffac3d015e7e60 EFLAGS: 00010286 # [ 28.727905] RAX: ffffffffb32dea50 RBX: 0000000000000004 RCX: 0000000000000000 # [ 28.735876] RDX: 0000000000000000 RSI: ffff99b6fad9bf70 RDI: ffffffffb3f9aec0 # [ 28.743846] RBP: ffffffffb42bfd17 R08: 0000000000000000 R09: 0000000000000000 # [ 28.751815] R10: 00000000ffffe000 R11: 3fffffffff[ 31.508585] lkdtm: Performing direct entry CORRUPT_PAC [ 31.514833] lkdtm: XFAIL: this test is arm64-only ffffff R12: 000000000000000a # [ 28.759784] R13: ffffac3d015e7f10 R14: ffffac3d015e7f10 R15: ffff99b684130000 # [ 28.767754] FS: 00007f53b6c3d580(0000) GS:ffff99b6fad80000(0000) knlGS:0000000000000000 # [ 28.776791] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 28.783206] CR2: 0000000000000000 CR3: 000000010336c001 CR4: 00000000003706e0 # [ 28.791175] Call Trace: # [ 28.793904] direct_entry.cold+0x2c/0x38 # [ 28.798285] full_proxy_write+0x53/0x80 # [ 28.802566] vfs_write+0xe7/0x3a0 # [ 28.806265] ksys_write+0x68/0xf0 # [ 28.809964] do_syscall_64+0x30/0x40 # [ 28.813953] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 28.819592] RIP: 0033:0x7f53b6b538f3 # [ 28.823581] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 [ 31.600069] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40[ 31.608135] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS 00 48 83 ec 28 48 89 54 24 18 # [ 28.844566] RSP: 002b:00007ffd4c0d8618 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 28.853012] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f53b6b538f3 # [ 28.860981] RDX: 000000000000000a RSI: 00007f53b6a46000 RDI: 0000000000000001 # [ 28.868950] RBP: 00007f53b6a46000 R08: 00007f53b6a45010 R09: 0000000000000000 # [ 28.876920] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 28.884889] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 28.892863] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 28.919327] CR2: 0000000000000000 # [ 28.929239] ---[ end trace 51bf6f1fff159280 ]--- # [ 28.934384] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 28.938759] Code: 89 ff e8 2e b5 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 20 fb 93 02 # [ 28.959745] RSP: 0018:ffffac3d0145fe60 EFLAGS: 00010286 # [ 28.965570] RAX: ffffffffb32de9f0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 28.973541] RDX: 0000000000000000 RSI: ffff99b6fac1bf70 RDI: ffffffffb3f9ae90 # [ 28.981512] RBP: ffffffffb43e5e78 R08: 0000000000000001 R09: 0000000000000001 # [ 28.989482] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 28.997452] R13: ffffa[ 31.773703] lkdtm: Performing direct entry READ_AFTER_FREE c3d0145ff10 R14: ffffac3d0145ff10 R15: ffff99b6841b4000 # [ 2[ 31.783434] lkdtm: Value in memory before free: 12345678 9.005432] FS: 00007f53b6c3d580(0000) GS:ffff99b6fad80000(0000) [ 31.795586] lkdtm: Attempting bad read from freed memory knlGS:0000000000000000 # [ 29.014475] CS: 0010 DS: 0000 ES: [ 31.807737] lkdtm: Memory was not poisoned 0000 CR0: 0000000080050033 # [ 29.020890] CR2: 0000000000000000 CR3: 000000010336c001 CR4: 00000000003706e0 # [ 29.028860] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 29.038773] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 830, name: cat # [ 29.047130] INFO: lockdep is turned off. # [ 29.051506] irq event stamp: 0 # [ 29.054911] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 29.061910] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 29.071039] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 29.080166] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 29.087165] CPU: 3 PID: 830 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 29.095716] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 29.102519] Call Trace: # [ 29.105246] dump_stack+0x77/0x9b # [ 29.108945] ___might_sleep.cold+0xa6/0xb6 # [ 29.113518] exit_signals+0x1c/0x2e0 # [ 29.117507] do_exit+0xd5/0xb00 # [ 29.121010] ? ksys_write+0x68/0xf0 # [ 29.124902] rewind_stack_do_exit+0x17/0x20 # [ 29.129569] RIP: 0033:0x7f53b[ 31.932596] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE [ 31.943348] lkdtm: Value in memory before free: 12345678 [ 31.949291] lkdtm: Attempting to read from freed memory 6b538f3 # [ 29.133557] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02[ 31.955161] lkdtm: Buddy page was not poisoned 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 29.154543] RSP: 002b:00007ffd4c0d8618 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 29.162989] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f53b6b538f3 # [ 29.170958] RDX: 000000000000000a RSI: 00007f53b6a46000 RDI: 0000000000000001 # [ 29.178929] RBP: 00007f53b6a46000 R08: 00007f53b6a45010 R09: 0000000000000000 # [ 29.186900] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 29.194870] 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[ 32.049196] lkdtm: Performing direct entry SLAB_FREE_DOUBLE [ 32.059626] lkdtm: Attempting double slab free ... 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 # [ 29.437686] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 29.445291] lkdtm: attempting good list addition # [ 29.456702] lkdtm: attempting corrupted list addition # [ 29.468589] lkdtm: list_add() corruption not detected! # CORRUPT_LIST_ADD: missing 'list_add corruption': [FAIL] not ok 10 selftests: lkdtm: CORRUPT_LIST_ADD.sh # exit=1 # selftests: lkdtm: CORRUPT[ 32.140608] lkdtm: Performing direct entry SLAB_FREE_CROSS [ 32.151913] lkdtm: Attempting cross-cache slab free ... _LIST_DEL.sh # [ 29.558436] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 29.567534] lkdtm: attempting good list removal # [ 29.572603] lkdtm: attempting corrupted list removal # [ 29.578154] 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 # [ 29.657904] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 29.665525] lkdtm: attempting bad read from page below current stack # [ 29.678876] BUG: stack guard page was hit at 00000000584ebcb8 (stack is 0000000008cd2512..00000000496efb04)[ 32.224037] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 29.695936] kernel stack overflow (page fault): 0000 [#3] [ 32.232226] lkdtm: Attempting non-Slab slab free ... SMP PTI # [ 29.702740] CPU: 0 PID: 1055 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 29.711388] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 29.718196] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a # [ 29.724714] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 88 b1 38 b4 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 cf a0 fd ff 48 c7 c7 c8 b1 38 b4 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 b5 a0 fd ff 0f 1f 44 # [ 29.745699] RSP: 0018:ffffac3d0194fe50 EFLAGS: 00010246 # [ 29.751532] RAX: 0000000000000038 RBX: ffffac3d0194c000 RCX: 0000000000000000 # [ 29.759502] RDX: 0000000000000000 RSI: ffff99b6fac1bf70 RDI: ffffffffb438b1c8 # [ 29.767470] RBP: ffffffffb438a8f2 R08: 0000000000000000 R09: 0000000000000000 # [ 29.775439] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 # [ 29.783409] R13: ffffac3d0194ff10 R14: ffffac3d0194ff10 R15: ffff99b686557000 # [ 29.791370] FS: 00007fca1ef65580(0000) GS:ffff99b6fac00000(0000) knlGS:0000000000000000 # [ 29.800398] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 29.806813] CR2: ffffac3d0194bfff CR3: 000000010653c001 CR4: 00000000003706f0 # [ 29.814781] Call Trace: # [ 29.817508] ? lkdtm_CORRUPT_LIST_DEL+0xe0/0xe0 # [ 29.822566] direct_entry.cold+0x2c/0x38 # [ 29.826945] full_proxy_write+0x53/0x80 # [ 29.831234] vfs_write+0xe7/0x3a0 # [ 29.834938] ksys_write+0x68/0xf0 # [ 29.838643] do_syscall_64+0x30/0x40 # [ 29.842637] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 29.848268] RIP: 0033:0x7fca1ee7b8f3 # [ 29.852257] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 29.873239] RSP: 002b:00007ffe08539588 EFL[ 32.422355] lkdtm: Performing direct entry EXEC_DATA [ 32.429759] lkdtm: attempting ok execution at ffffffffb32dedc0 [ 32.436308] lkdtm: attempting bad execution at ffffffffb5c1e560 [ 32.442930] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 32.451294] BUG: unable to handle page fault for address: ffffffffb5c1e560 [ 32.458974] #PF: supervisor instruction fetch in kernel mode [ 32.465293] #PF: error_code(0x0011) - permissions violation [ 32.471513] PGD 12629067 P4D 12629067 PUD 1262a063 PMD 8000000013c000e3 [ 32.479000] Oops: 0011 [#5] SMP PTI [ 32.482891] CPU: 3 PID: 1631 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 32.491540] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 32.498346] RIP: 0010:data_area+0x0/0x40 [ 32.502722] Code: ff ff 00 f8 2d 84 b6 99 ff ff 00 f7 2d 84 b6 99 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 [ 32.523707] RSP: 0018:ffffac3d0225fe48 EFLAGS: 00010246 [ 32.529541] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 32.537512] RDX: 0000000000000000 RSI: ffff99b6fad9bf70 RDI: ffff99b6fad9bf70 [ 32.545483] RBP: ffffffffb5c1e560 R08: 0000000000000000 R09: 0000000000000000 [ 32.553468] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 32.561442] R13: ffffac3d0225ff10 R14: ffffac3d0225ff10 R15: ffff99b683369000 [ 32.569429] FS: 00007f8ab797e580(0000) GS:ffff99b6fad80000(0000) knlGS:0000000000000000 [ 32.578481] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 32.584897] CR2: ffffffffb5c1e560 CR3: 00000001032ee005 CR4: 00000000003706e0 [ 32.592867] Call Trace: [ 32.595595] ? execute_location+0x45/0x56 [ 32.600069] ? direct_entry.cold+0x2c/0x38 [ 32.604640] ? full_proxy_write+0x53/0x80 [ 32.609108] ? vfs_write+0xe7/0x3a0 [ 32.612999] ? ksys_write+0x68/0xf0 [ 32.616891] ? do_syscall_64+0x30/0x40 [ 32.621066] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 32.626903] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify AGS: 00000246 ORIG_RAX: 0000000000000001 # [ 29.881695] RAX: [ 32.653360] CR2: ffffffffb5c1e560 [ 32.663270] ---[ end trace 51bf6f1fff159284 ]--- [ 32.668428] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 32.672805] Code: 89 ff e8 2e b5 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 20 fb 93 02 [ 32.693789] RSP: 0018:ffffac3d0145fe60 EFLAGS: 00010286 [ 32.699622] RAX: ffffffffb32de9f0 RBX: 0000000000000001 RCX: 0000000000000000 [ 32.707593] RDX: 0000000000000000 RSI: ffff99b6fac1bf70 RDI: ffffffffb3f9ae90 [ 32.715562] RBP: ffffffffb43e5e78 R08: 0000000000000001 R09: 0000000000000001 [ 32.723532] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 32.731500] R13: ffffac3d0145ff10 R14: ffffac3d0145ff10 R15: ffff99b6841b4000 [ 32.739475] FS: 00007f8ab797e580(0000) GS:ffff99b6fad80000(0000) knlGS:0000000000000000 [ 32.748513] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 32.754929] CR2: ffffffffb5c1e560 CR3: 00000001032ee005 CR4: 00000000003706e0 [ 32.762900] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 32.772812] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1631, name: cat [ 32.781268] INFO: lockdep is turned off. [ 32.785643] irq event stamp: 0 [ 32.789049] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 32.796050] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 32.805176] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 32.814312] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 32.821310] CPU: 3 PID: 1631 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 32.829959] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 32.836764] Call Trace: [ 32.839491] dump_stack+0x77/0x9b [ 32.843191] ___might_sleep.cold+0xa6/0xb6 [ 32.847763] exit_signals+0x1c/0x2e0 [ 32.851752] do_exit+0xd5/0xb00 [ 32.855247] ? ksys_write+0x68/0xf0 [ 32.859139] rewind_stack_do_exit+0x17/0x20 [ 32.863806] RIP: 0033:0x7f8ab78948f3 [ 32.867795] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 32.888779] RSP: 002b:00007ffcc7a126d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 32.897235] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f8ab78948f3 [ 32.905205] RDX: 000000000000000a RSI: 00007f8ab7787000 RDI: 0000000000000001 [ 32.913175] RBP: 00007f8ab7787000 R08: 00007f8ab7786010 R09: 0000000000000000 [ 32.921145] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 32.929113] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ffffffffffffffda RBX: 0000000000000019 RCX: 00007fca1ee7b8f3 # [ 29.889665] RDX: 0000000000000019 RSI: 00007fca1ed6e000 RDI: 0000000000000001 # [ 29.897633] RBP: 00007fca1ed6e000 R08: 00007fca1ed6d010 R09: 0000000000000000 # [ 29.905602] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 29.913572] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 29.921546] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 29.947988] ---[ end trace 51bf6f1fff159281 ]--- # [ 29.953142] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 29.957509] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea ff[ 33.016161] lkdtm: Performing direct entry EXEC_STACK ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff [ 33.023577] lkdtm: attempting ok execution at ffffffffb32dedc0 ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f[ 33.036340] lkdtm: attempting bad execution at ffffac3d0229fe18 1f 44 00 00 83 05 20 fb 93 02 # [ 29.978491] RSP: 0018:ffffa[ 33.049169] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 33.063706] BUG: unable to handle page fault for address: ffffac3d0229fe18 [ 33.071385] #PF: supervisor instruction fetch in kernel mode [ 33.077693] #PF: error_code(0x0011) - permissions violation [ 33.083915] PGD 100000067 P4D 100000067 PUD 100211067 PMD 105b52067 PTE 8000000105a4e063 [ 33.092963] Oops: 0011 [#6] SMP PTI [ 33.096854] CPU: 0 PID: 1667 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 33.105505] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 33.112310] RIP: 0010:0xffffac3d0229fe18 [ 33.116687] Code: 00 00 18 fe 29 02 3d ac ff ff 59 c5 96 b3 ff ff ff ff 20 00 00 00 00 00 00 00 4e aa 38 b4 ff ff ff ff 88 c6 96 b3 ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 [ 33.137664] RSP: 0018:ffffac3d0229fdf8 EFLAGS: 00010246 [ 33.143499] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 33.151489] RDX: 0000000000000000 RSI: ffff99b6fac1bf70 RDI: ffff99b6fac1bf70 [ 33.159460] RBP: ffffac3d0229fe18 R08: 0000000000000000 R09: 0000000000000000 [ 33.167450] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b [ 33.175425] R13: ffffac3d0229ff10 R14: ffffac3d0229ff10 R15: ffff99b686441000 [ 33.183394] FS: 00007f3b1a0a9580(0000) GS:ffff99b6fac00000(0000) knlGS:0000000000000000 [ 33.192433] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 33.198848] CR2: ffffac3d0229fe18 CR3: 000000010653a001 CR4: 00000000003706f0 [ 33.206817] Call Trace: [ 33.209546] ? execute_location+0x45/0x56 [ 33.214030] ? lkdtm_EXEC_STACK+0x26/0x44 [ 33.218511] ? direct_entry.cold+0x2c/0x38 [ 33.223091] ? full_proxy_write+0x53/0x80 [ 33.227573] ? vfs_write+0xe7/0x3a0 [ 33.231471] ? ksys_write+0x68/0xf0 [ 33.235365] ? do_syscall_64+0x30/0x40 [ 33.239555] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 33.245394] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 33.271839] CR2: ffffac3d0229fe18 [ 33.275537] ---[ end trace 51bf6f1fff159285 ]--- [ 33.280693] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 33.285071] Code: 89 ff e8 2e b5 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 20 fb 93 02 [ 33.306055] RSP: 0018:ffffac3d0145fe60 EFLAGS: 00010286 [ 33.311890] RAX: ffffffffb32de9f0 RBX: 0000000000000001 RCX: 0000000000000000 [ 33.319861] RDX: 0000000000000000 RSI: ffff99b6fac1bf70 RDI: ffffffffb3f9ae90 [ 33.327831] RBP: ffffffffb43e5e78 R08: 0000000000000001 R09: 0000000000000001 [ 33.335801] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 33.343771] R13: ffffac3d0145ff10 R14: ffffac3d0145ff10 R15: ffff99b6841b4000 [ 33.351741] FS: 00007f3b1a0a9580(0000) GS:ffff99b6fac00000(0000) knlGS:0000000000000000 [ 33.360779] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 33.367195] CR2: ffffac3d0229fe18 CR3: 000000010653a001 CR4: 00000000003706f0 c3d0145fe60 EFLAGS: 00010286 # [ 29.984324] RAX: ffffffffb32de9f0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 29.992293] RDX: 0000000000000000 RSI: ffff99b6fac1bf70 RDI: ffffffffb3f9ae90 # [ 30.000262] RBP: ffffffffb43e5e78 R08: 0000000000000001 R09: 0000000000000001 # [ 30.008233] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 30.016201] R13: ffffac3d0145ff10 R14: ffffac3d0145ff10 R15: ffff99b6841b4000 # [ 30.024171] FS: 00007fca1ef65580(0000) GS:ffff99b6fac00000(0000) knlGS:0000000000000000 # [ 30.033209] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 30.039617] CR2: ffffac3d0194bfff CR3: 000000010653c001 CR4: 00000000003706f0 # [ 30.047586] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 30.057498] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1055, name: cat # [ [ 33.457212] lkdtm: Performing direct entry EXEC_KMALLOC 30.065952] INFO: lockdep is turned off. # [ 30.070328] irq ev[ 33.468032] lkdtm: attempting ok execution at ffffffffb32dedc0 ent stamp: 0 # [ 30.073734] hardirqs last enabled at (0): [<[ 33.480757] lkdtm: attempting bad execution at ffff99b6813c5a80 0000000000000000>] 0x0 # [ 30.080724] hardirqs last disabled [ 33.493590] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 33.508160] BUG: unable to handle page fault for address: ffff99b6813c5a80 [ 33.515838] #PF: supervisor instruction fetch in kernel mode [ 33.522159] #PF: error_code(0x0011) - permissions violation [ 33.528380] PGD 13e01067 P4D 13e01067 PUD 10084e063 PMD 102858063 PTE 80000001013c5063 at (0): [] copy_process+0x640/0x1c80 # [ 30[ 33.537229] Oops: 0011 [#7] SMP PTI [ 33.547335] CPU: 1 PID: 1703 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 33.555977] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 33.562783] RIP: 0010:0xffff99b6813c5a80 [ 33.567159] Code: ff ff 20 00 00 00 00 00 00 00 35 36 32 34 32 65 64 36 38 38 62 37 34 36 64 31 61 32 39 62 31 61 64 36 64 36 38 64 64 30 39 31 <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 [ 33.588145] RSP: 0018:ffffac3d02357e38 EFLAGS: 00010246 [ 33.593978] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 33.601947] RDX: 0000000000000000 RSI: ffff99b6fac9bf70 RDI: ffff99b6fac9bf70 [ 33.609916] RBP: ffff99b6813c5a80 R08: 0000000000000000 R09: 0000000000000000 [ 33.617884] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 33.625856] R13: ffffac3d02357f10 R14: ffffac3d02357f10 R15: ffff99b685810000 [ 33.633827] FS: 00007efe214fc580(0000) GS:ffff99b6fac80000(0000) knlGS:0000000000000000 [ 33.642867] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 33.649275] CR2: ffff99b6813c5a80 CR3: 0000000103d70001 CR4: 00000000003706e0 [ 33.657244] Call Trace: [ 33.659973] ? execute_location+0x45/0x56 .089859] softirqs last enabled at (0): [] cop[ 33.664464] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 [ 33.675350] ? direct_entry.cold+0x2c/0x38 [ 33.679923] ? full_proxy_write+0x53/0x80 [ 33.684399] ? vfs_write+0xe7/0x3a0 y_process+0x640/0x1c80 # [ 30.098994] softirqs last disabled [ 33.688318] ? ksys_write+0x68/0xf0 [ 33.698429] ? do_syscall_64+0x30/0x40 at (0): [<0000000000000000>] 0x0 # [ 30.105993] CPU: 0 PID: 1[ 33.702614] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 055 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [[ 33.714666] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 33.747306] CR2: ffff99b6813c5a80 [ 33.751004] ---[ end trace 51bf6f1fff159286 ]--- [ 33.756158] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 33.760535] Code: 89 ff e8 2e b5 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 20 fb 93 02 [ 33.781521] RSP: 0018:ffffac3d0145fe60 EFLAGS: 00010286 [ 33.787345] RAX: ffffffffb32de9f0 RBX: 0000000000000001 RCX: 0000000000000000 [ 33.795316] RDX: 0000000000000000 RSI: ffff99b6fac1bf70 RDI: ffffffffb3f9ae90 [ 33.803286] RBP: ffffffffb43e5e78 R08: 0000000000000001 R09: 0000000000000001 [ 33.811256] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 33.819227] R13: ffffac3d0145ff10 R14: ffffac3d0145ff10 R15: ffff99b6841b4000 [ 33.827197] FS: 00007efe214fc580(0000) GS:ffff99b6fac80000(0000) knlGS:0000000000000000 [ 33.836237] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 33.842653] CR2: ffff99b6813c5a80 CR3: 0000000103d70001 CR4: 00000000003706e0 [ 33.850623] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 33.860535] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1703, name: cat [ 33.868991] INFO: lockdep is turned off. [ 33.873367] irq event stamp: 0 [ 33.876773] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 33.883765] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 33.892893] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 33.902020] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 33.909019] CPU: 1 PID: 1703 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 33.917670] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 33.924474] Call Trace: [ 33.927202] dump_stack+0x77/0x9b 30.114634] Hardware name: Google Rammus/Rammus, BIOS 09/04/2[ 33.930903] ___might_sleep.cold+0xa6/0xb6 [ 33.941688] exit_signals+0x1c/0x2e0 [ 33.945677] do_exit+0xd5/0xb00 [ 33.949179] ? ksys_write+0x68/0xf0 [ 33.953072] rewind_stack_do_exit+0x17/0x20 020 # [ 30.121437] Call Trace: # [ 30.124163] dump_stack+[ 33.957742] RIP: 0033:0x7efe214128f3 [ 33.967945] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 33.988922] RSP: 002b:00007fff7e726dc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 33.997379] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007efe214128f3 [ 34.005348] RDX: 000000000000000d RSI: 00007efe21305000 RDI: 0000000000000001 [ 34.013317] RBP: 00007efe21305000 R08: 00007efe21304010 R09: 0000000000000000 [ 34.021285] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 34.029254] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0x77/0x9b # [ 30.127863] ___might_sleep.cold+0xa6/0xb6 # [ 30.132441] exit_signals+0x1c/0x2e0 # [ 30.136430] do_exit+0xd5/0xb00 # [ 30.139924] ? ksys_write+0x68/0xf0 # [ 30.143817] rewind_stack_do_exit+0x17/0x20 # [ 30.148490] RIP: 0033:0x7fca1ee7b8f3 # [ 30.152480] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 30.173454] RSP: 002b:00007ffe08539588 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 30.181913] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fca1ee7b8f3 # [ 30.189874] RDX: 0000000000000019 RSI: 00007fca1ed6e000 RDI: 0000000000000001 # [ 30.197844] RBP: 00007fca1ed6e000 R08: 00007fca1ed6d010 R09: 0000000000000000 # [ 30.205814] R10: fffffffffffffbc5 R11: 0000000000000246 [ 34.119487] lkdtm: Performing direct entry EXEC_VMALLOC [ 34.130081] lkdtm: attempting ok execution at ffffffffb32dedc0 R12: 0000000000000001 # [ 30.213784] R13: 0000000000000001 R1[ 34.136627] lkdtm: attempting bad execution at ffffac3d00379000 [ 34.149455] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 34.157859] BUG: unable to handle page fault for address: ffffac3d00379000 [ 34.165528] #PF: supervisor instruction fetch in kernel mode [ 34.171845] #PF: error_code(0x0011) - permissions violation [ 34.178067] PGD 100000067 P4D 100000067 PUD 100211067 PMD 10099d067 PTE 8000000105a07063 [ 34.187108] Oops: 0011 [#8] SMP PTI [ 34.190999] CPU: 3 PID: 1739 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 34.199641] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 34.206445] RIP: 0010:0xffffac3d00379000 [ 34.210814] Code: Unable to access opcode bytes at RIP 0xffffac3d00378fd6. [ 34.218483] RSP: 0018:ffffac3d023e7e38 EFLAGS: 00010246 [ 34.224313] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 34.232281] RDX: 0000000000000000 RSI: ffff99b6fad9bf70 RDI: ffff99b6fad9bf70 [ 34.240250] RBP: ffffac3d00379000 R08: 0000000000000000 R09: 0000000000000000 [ 34.248218] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 34.256185] R13: ffffac3d023e7f10 R14: ffffac3d023e7f10 R15: ffff99b685a07000 [ 34.264152] FS: 00007f4705018580(0000) GS:ffff99b6fad80000(0000) knlGS:0000000000000000 [ 34.273188] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 34.279605] CR2: ffffac3d00378fd6 CR3: 0000000104ed6001 CR4: 00000000003706e0 [ 34.287575] Call Trace: [ 34.290302] ? execute_location+0x45/0x56 [ 34.294777] ? lkdtm_EXEC_VMALLOC+0x20/0x30 [ 34.299447] ? direct_entry.cold+0x2c/0x38 [ 34.304019] ? full_proxy_write+0x53/0x80 [ 34.308495] ? vfs_write+0xe7/0x3a0 [ 34.312386] ? ksys_write+0x68/0xf0 [ 34.316270] ? do_syscall_64+0x30/0x40 [ 34.320452] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 34.326278] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 4: 0000000000020000 R15: 0000000000020000 # STACK_GUARD_PAGE_LE[ 34.352733] CR2: ffffac3d00379000 [ 34.362645] ---[ end trace 51bf6f1fff159287 ]--- [ 34.367798] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 34.372175] Code: 89 ff e8 2e b5 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 20 fb 93 02 [ 34.393159] RSP: 0018:ffffac3d0145fe60 EFLAGS: 00010286 [ 34.398991] RAX: ffffffffb32de9f0 RBX: 0000000000000001 RCX: 0000000000000000 [ 34.406959] RDX: 0000000000000000 RSI: ffff99b6fac1bf70 RDI: ffffffffb3f9ae90 [ 34.414927] RBP: ffffffffb43e5e78 R08: 0000000000000001 R09: 0000000000000001 [ 34.422896] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 34.430863] R13: ffffac3d0145ff10 R14: ffffac3d0145ff10 R15: ffff99b6841b4000 [ 34.438833] FS: 00007f4705018580(0000) GS:ffff99b6fad80000(0000) knlGS:0000000000000000 [ 34.447861] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 34.454273] CR2: ffffac3d00378fd6 CR3: 0000000104ed6001 CR4: 00000000003706e0 ADING: saw 'call trace:': ok ok 12 selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh # selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # Segmentation fault # [ 30.310470] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 30.322097] lkdtm: attempting bad read from page above current stack # [ 30.329221] BUG: stack guard page was hit at 00000000f4d5a835 (stack is 000000000d5b21f5..00000000ebed4b14) # [ 30.340107] kernel stack overflow (page fault): 0000 [#4] SMP PTI # [ 30.353126] CPU: 3 PID: 1088 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 30.361775] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 30.368582] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d # [ 30.375193] Code: a0 fd ff 0f 1f 44 00 00 53 48 c7 c7 00 b2 38 b4 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 95 a0 fd ff 48 c7 c7 40 b2 38 b4 <8a> 83 00 40 00 00 88 [ 34.543807] lkdtm: Performing direct entry EXEC_RODATA [ 34.555015] lkdtm: attempting ok execution at ffffffffb32dedc0 44 24 07 0f b6 74 24 07 5a 5b e9 78 a0 fd ff # [ 30.396179] R[ 34.561543] lkdtm: attempting bad execution at ffffffffb3f9b320 [ 34.574387] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) SP: 0018:ffffac3d019e7e50 EFLAGS: 00010246 # [ 30.402014] RAX[ 34.582753] BUG: unable to handle page fault for address: ffffffffb3f9b320 [ 34.596645] #PF: supervisor instruction fetch in kernel mode [ 34.602964] #PF: error_code(0x0011) - permissions violation [ 34.609186] PGD 12629067 P4D 12629067 PUD 1262a063 PMD 8000000011e000e1 [ 34.616675] Oops: 0011 [#9] SMP PTI [ 34.620558] CPU: 3 PID: 1775 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 34.629208] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 34.636015] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 [ 34.641753] Code: ff ff f8 da 96 b3 ff ff ff ff 9a ac 38 b4 ff ff ff ff 3e c2 96 b3 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 [ 34.662730] RSP: 0018:ffffac3d02477e48 EFLAGS: 00010246 [ 34.668564] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 34.676536] RDX: 0000000000000000 RSI: ffff99b6fad9bf70 RDI: ffff99b6fad9bf70 [ 34.684507] RBP: ffffffffb3f9b320 R08: 0000000000000000 R09: 0000000000000000 [ 34.692478] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 34.700447] R13: ffffac3d02477f10 R14: ffffac3d02477f10 R15: ffff99b6827f3000 [ 34.708425] FS: 00007fa8d4aa6580(0000) GS:ffff99b6fad80000(0000) knlGS:0000000000000000 [ 34.717470] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 34.723885] CR2: ffffffffb3f9b320 CR3: 0000000106524003 CR4: 00000000003706e0 [ 34.731855] Call Trace: [ 34.734583] ? execute_location+0x45/0x56 [ 34.739057] ? direct_entry.cold+0x2c/0x38 [ 34.743622] ? full_proxy_write+0x53/0x80 [ 34.748098] ? vfs_write+0xe7/0x3a0 [ 34.751991] ? ksys_write+0x68/0xf0 [ 34.755883] ? do_syscall_64+0x30/0x40 [ 34.760067] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 34.765897] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify : 0000000000000038 RBX: ffffac3d019e4000 RCX: 0000000000000000 [ 34.792353] CR2: ffffffffb3f9b320 [ 34.802265] ---[ end trace 51bf6f1fff159288 ]--- [ 34.807426] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 34.811804] Code: 89 ff e8 2e b5 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 20 fb 93 02 [ 34.832778] RSP: 0018:ffffac3d0145fe60 EFLAGS: 00010286 [ 34.838611] RAX: ffffffffb32de9f0 RBX: 0000000000000001 RCX: 0000000000000000 [ 34.846580] RDX: 0000000000000000 RSI: ffff99b6fac1bf70 RDI: ffffffffb3f9ae90 [ 34.854550] RBP: ffffffffb43e5e78 R08: 0000000000000001 R09: 0000000000000001 [ 34.862520] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 34.870489] R13: ffffac3d0145ff10 R14: ffffac3d0145ff10 R15: ffff99b6841b4000 [ 34.878458] FS: 00007fa8d4aa6580(0000) GS:ffff99b6fad80000(0000) knlGS:0000000000000000 [ 34.887495] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 34.893911] CR2: ffffffffb3f9b320 CR3: 0000000106524003 CR4: 00000000003706e0 [ 34.901879] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 34.911790] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1775, name: cat [ 34.920244] INFO: lockdep is turned off. [ 34.924620] irq event stamp: 0 [ 34.928027] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 34.935018] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 34.944154] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 34.953281] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 34.960279] CPU: 3 PID: 1775 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 34.968920] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 34.975720] Call Trace: [ 34.978448] dump_stack+0x77/0x9b [ 34.982146] ___might_sleep.cold+0xa6/0xb6 [ 34.986718] exit_signals+0x1c/0x2e0 [ 34.990707] do_exit+0xd5/0xb00 [ 34.994200] ? ksys_write+0x68/0xf0 [ 34.998093] rewind_stack_do_exit+0x17/0x20 [ 35.002763] RIP: 0033:0x7fa8d49bc8f3 [ 35.006742] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 35.027726] RSP: 002b:00007fffb463bb58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 35.036181] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fa8d49bc8f3 [ 35.044151] RDX: 000000000000000c RSI: 00007fa8d48af000 RDI: 0000000000000001 [ 35.052119] RBP: 00007fa8d48af000 R08: 00007fa8d48ae010 R09: 0000000000000000 [ 35.060088] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 35.068056] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 30.409984] RDX: 0000000000000000 RSI: ffff99b6fad9bf70 RDI: ffffffffb438b240 # [ 30.417954] RBP: ffffffffb438a90b R08: 0000000000000000 R09: 0000000000000000 # [ 30.425924] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a # [ 30.433894] R13: ffffac3d019e7f10 R14: ffffac3d019e7f10 R15: ffff99b685aa7000 # [ 30.441863] FS: 00007fb5ee6a1580(0000) GS:ffff99b6fad80000(0000) knlGS:0000000000000000 # [ 30.450903] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 30.457318] CR2: ffffac3d019e8000 CR3: 0000000106408003 CR4: 00000000003706e0 # [ 30.465288] Call Trace: # [ 30.468014] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a # [ 30.473841] direct_entry.cold+0x2c/0x38 # [ 30.478220] full_proxy_write+0x53/0x80 # [ 30.482502] vfs_write+0xe7/0x3a0 # [ 30.486200] ksys_write+0x68/0xf0 # [ 30.489891] do_syscall_64+0x30/0x40 # [ [ 35.159555] lkdtm: Performing direct entry EXEC_USERSPACE 30.493880] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 30.[ 35.169105] lkdtm: attempting ok execution at ffffffffb32dedc0 499510] RIP: 0033:0x7fb5ee5b78f3 # [ 30.503498] Code: 8b 15 a[ 35.181871] lkdtm: attempting bad execution at 00007f1c1e5f3000 1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64[ 35.194693] unable to execute userspace code (SMEP?) (uid: 0) [ 35.207300] BUG: unable to handle page fault for address: 00007f1c1e5f3000 [ 35.214972] #PF: supervisor instruction fetch in kernel mode [ 35.221290] #PF: error_code(0x0011) - permissions violation [ 35.227512] PGD 8000000103164067 P4D 8000000103164067 PUD 103c2d067 PMD 1032db067 PTE 10ad69067 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 0[ 35.237235] Oops: 0011 [#10] SMP PTI [ 35.247435] CPU: 1 PID: 1811 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 35.256086] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 35.262890] RIP: 0010:0x7f1c1e5f3000 [ 35.266878] Code: Unable to access opcode bytes at RIP 0x7f1c1e5f2fd6. [ 35.274168] RSP: 0018:ffffac3d024f7e50 EFLAGS: 00010246 [ 35.279993] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 [ 35.287963] RDX: 0000000000000000 RSI: ffff99b6fac9bf70 RDI: ffff99b6fac9bf70 [ 35.295932] RBP: 00007f1c1e5f3000 R08: 0000000000000000 R09: 0000000000000000 [ 35.303901] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f [ 35.311871] R13: ffffac3d024f7f10 R14: ffffac3d024f7f10 R15: ffff99b683c19000 [ 35.319833] FS: 00007f1c1e5c4580(0000) GS:ffff99b6fac80000(0000) knlGS:0000000000000000 [ 35.328870] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 35.335286] CR2: 00007f1c1e5f3000 CR3: 0000000103dc4003 CR4: 00000000003706e0 [ 35.343256] Call Trace: [ 35.345984] ? lkdtm_EXEC_USERSPACE.cold+0x66/0xae 0 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ [ 35.351332] ? direct_entry.cold+0x2c/0x38 [ 35.362119] ? full_proxy_write+0x53/0x80 30.524484] RSP: 002b:00007ffddc68e4b8 EFLAGS: 00000246 ORIG_RA[ 35.366596] ? vfs_write+0xe7/0x3a0 [ 35.376700] ? ksys_write+0x68/0xf0 [ 35.380595] ? do_syscall_64+0x30/0x40 X: 0000000000000001 # [ 30.532931] RAX: ffffffffffffffda RBX:[ 35.384779] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 000000000000001a RCX: 00007fb5ee5b78f3 # [ 30.540901] RDX: 0[ 35.396829] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 35.429475] CR2: 00007f1c1e5f3000 [ 35.433172] ---[ end trace 51bf6f1fff159289 ]--- [ 35.438327] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 35.442705] Code: 89 ff e8 2e b5 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 20 fb 93 02 [ 35.463686] RSP: 0018:ffffac3d0145fe60 EFLAGS: 00010286 [ 35.469521] RAX: ffffffffb32de9f0 RBX: 0000000000000001 RCX: 0000000000000000 [ 35.477484] RDX: 0000000000000000 RSI: ffff99b6fac1bf70 RDI: ffffffffb3f9ae90 [ 35.485467] RBP: ffffffffb43e5e78 R08: 0000000000000001 R09: 0000000000000001 [ 35.493437] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 35.501431] R13: ffffac3d0145ff10 R14: ffffac3d0145ff10 R15: ffff99b6841b4000 [ 35.509416] FS: 00007f1c1e5c4580(0000) GS:ffff99b6fac80000(0000) knlGS:0000000000000000 00000000000001a RSI: 00007fb5ee4aa000 RDI: 0000000000000001 # [[ 35.518469] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 35.531098] CR2: 00007f1c1e5f3000 CR3: 0000000103dc4003 CR4: 00000000003706e0 30.548871] RBP: 00007fb5ee4aa000 R08: 00007fb5ee4a9010 R09: 0000000000000000 # [ 30.556841] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 30.564811] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 30.572784] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 30.599245] ---[ end trace 51bf6f1fff159282 ]--- # [ 30.610611] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 30.614989] Code: 89 ff e8 2e b5 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 20[ 35.619283] lkdtm: Performing direct entry EXEC_NULL fb 93 02 # [ 30.635964] RSP: 0018:ffffac3d0145fe60 EFLAGS: 0[ 35.625440] lkdtm: attempting ok execution at ffffffffb32dedc0 0010286 # [ 30.641798] RAX: ffffffffb32de9f0 RBX: 00000000000[ 35.638167] lkdtm: attempting bad execution at 0000000000000000 00001 RCX: 0000000000000000 # [ 30.649767] RDX: 0000000000000[ 35.651001] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 35.664989] #PF: supervisor instruction fetch in kernel mode [ 35.671308] #PF: error_code(0x0010) - not-present page [ 35.677032] PGD 0 P4D 0 [ 35.679856] Oops: 0010 [#11] SMP PTI [ 35.683844] CPU: 1 PID: 1847 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 35.692487] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 35.699294] RIP: 0010:0x0 [ 35.702213] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. [ 35.709891] RSP: 0018:ffffac3d0257fe48 EFLAGS: 00010246 [ 35.715724] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 35.723692] RDX: 0000000000000000 RSI: ffff99b6fac9bf70 RDI: ffff99b6fac9bf70 [ 35.731661] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 35.739630] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 35.747598] R13: ffffac3d0257ff10 R14: ffffac3d0257ff10 R15: ffff99b685a1b000 [ 35.755566] FS: 00007fc9a08b3580(0000) GS:ffff99b6fac80000(0000) knlGS:0000000000000000 [ 35.764603] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 35.771019] CR2: ffffffffffffffd6 CR3: 0000000103cfa006 CR4: 00000000003706e0 [ 35.778985] Call Trace: [ 35.781713] execute_location+0x45/0x56 000 RSI: ffff99b6fac1bf70 RDI: ffffffffb3f9ae90 # [ 30.657738[ 35.785995] direct_entry.cold+0x2c/0x38 [ 35.796586] full_proxy_write+0x53/0x80 [ 35.800869] vfs_write+0xe7/0x3a0 [ 35.804567] ksys_write+0x68/0xf0 [ 35.808265] do_syscall_64+0x30/0x40 ] RBP: ffffffffb43e5e78 R08: 0000000000000001 R09: 0000000000000[ 35.812255] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 35.824108] RIP: 0033:0x7fc9a07c98f3 [ 35.828086] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 35.849068] RSP: 002b:00007fffefc6fbc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 35.857523] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fc9a07c98f3 [ 35.865493] RDX: 000000000000000a RSI: 00007fc9a06bc000 RDI: 0000000000000001 [ 35.873479] RBP: 00007fc9a06bc000 R08: 00007fc9a06bb010 R09: 0000000000000000 [ 35.881447] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 35.889427] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 001 # [ 30.665707] R10: 00000000ffffe000 R11: 3ffffffffffffff[ 35.897394] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 35.930031] CR2: 0000000000000000 [ 35.933728] ---[ end trace 51bf6f1fff15928a ]--- [ 35.938882] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 35.943250] Code: 89 ff e8 2e b5 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 20 fb 93 02 [ 35.964222] RSP: 0018:ffffac3d0145fe60 EFLAGS: 00010286 [ 35.970048] RAX: ffffffffb32de9f0 RBX: 0000000000000001 RCX: 0000000000000000 [ 35.978016] RDX: 0000000000000000 RSI: ffff99b6fac1bf70 RDI: ffffffffb3f9ae90 [ 35.985985] RBP: ffffffffb43e5e78 R08: 0000000000000001 R09: 0000000000000001 [ 35.993955] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 36.001924] R13: ffffac3d0145ff10 R14: ffffac3d0145ff10 R15: ffff99b6841b4000 [ 36.009894] FS: 00007fc9a08b3580(0000) GS:ffff99b6fac80000(0000) knlGS:0000000000000000 [ 36.018930] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 36.025345] CR2: ffffffffffffffd6 CR3: 0000000103cfa006 CR4: 00000000003706e0 [ 36.033317] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 36.043220] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1847, name: cat [ 36.051673] INFO: lockdep is turned off. [ 36.056047] irq event stamp: 0 [ 36.059452] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 36.066453] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 36.075588] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 36.084723] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 36.091721] CPU: 1 PID: 1847 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 36.100369] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 36.107171] Call Trace: [ 36.109899] dump_stack+0x77/0x9b f R12: 0000000000000004 # [ 30.673678] R13: ffffac3d0145ff10 [ 36.113597] ___might_sleep.cold+0xa6/0xb6 [ 36.124380] exit_signals+0x1c/0x2e0 [ 36.128369] do_exit+0xd5/0xb00 [ 36.131872] ? ksys_write+0x68/0xf0 [ 36.135757] rewind_stack_do_exit+0x17/0x20 R14: ffffac3d0145ff10 R15: ffff99b6841b4000 # [ 30.681648] FS[ 36.140427] RIP: 0033:0x7fc9a07c98f3 [ 36.150628] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 36.171611] RSP: 002b:00007fffefc6fbc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 36.180065] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fc9a07c98f3 [ 36.188032] RDX: 000000000000000a RSI: 00007fc9a06bc000 RDI: 0000000000000001 [ 36.196000] RBP: 00007fc9a06bc000 R08: 00007fc9a06bb010 R09: 0000000000000000 [ 36.203969] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 36.211937] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 : 00007fb5ee6a1580(0000) GS:ffff99b6fad80000(0000) knlGS:0000000000000000 # [ 30.690686] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 30.697101] CR2: ffffac3d019e8000 CR3: 0000000106408003 CR4: 00000000003706e0 # [ 30.705072] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 30.714984] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1088, name: cat # [ 30.723439] INFO: lockdep is turned off. # [ 30.727815] irq event stamp: 0 # [ 30.731221] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 30.738220] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 30.747354] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 30.756488] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 30.763488] CPU: 3 PID: 1088 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 30.772137] Hardwar[ 36.309825] lkdtm: Performing direct entry ACCESS_USERSPACE [ 36.319384] lkdtm: attempting bad read at 00007fd3f81fb000 e name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 30.778942][ 36.325526] BUG: unable to handle page fault for address: 00007fd3f81fb000 [ 36.339428] #PF: supervisor read access in kernel mode [ 36.345165] #PF: error_code(0x0001) - permissions violation [ 36.351377] PGD 8000000104efe067 P4D 8000000104efe067 PUD 104e66067 PMD 10271b067 PTE 115a03067 [ 36.361098] Oops: 0001 [#12] SMP PTI [ 36.365079] CPU: 3 PID: 1882 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 36.373727] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 36.380534] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 [ 36.386753] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 b8 b9 38 b4 e8 09 9a fd ff 48 c7 c7 e0 b9 38 b4 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 f0 99 fd ff 48 89 ee 48 c7 c7 08 ba 38 [ 36.407733] RSP: 0018:ffffac3d0261fe48 EFLAGS: 00010246 [ 36.413566] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 [ 36.421535] RDX: 0000000000000000 RSI: ffff99b6fad9bf70 RDI: ffffffffb438b9e0 [ 36.429505] RBP: 00007fd3f81fb000 R08: 0000000000000000 R09: 0000000000000000 [ 36.437478] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 [ 36.445448] R13: ffffac3d0261ff10 R14: ffffac3d0261ff10 R15: ffff99b685a1b000 [ 36.453432] FS: 00007fd3f81cc580(0000) GS:ffff99b6fad80000(0000) knlGS:0000000000000000 [ 36.462483] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 36.468898] CR2: 00007fd3f81fb000 CR3: 0000000106524003 CR4: 00000000003706e0 [ 36.476868] Call Trace: [ 36.479596] direct_entry.cold+0x2c/0x38 [ 36.483974] full_proxy_write+0x53/0x80 [ 36.488254] vfs_write+0xe7/0x3a0 [ 36.491951] ksys_write+0x68/0xf0 [ 36.495640] do_syscall_64+0x30/0x40 [ 36.499620] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 36.505259] RIP: 0033:0x7fd3f80e28f3 [ 36.509237] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 36.530216] RSP: 002b:00007ffd1c7b8528 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 36.538672] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007fd3f80e28f3 [ 36.546642] RDX: 0000000000000011 RSI: 00007fd3f7fd5000 RDI: 0000000000000001 [ 36.554611] RBP: 00007fd3f7fd5000 R08: 00007fd3f7fd4010 R09: 0000000000000000 [ 36.562580] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 36.570547] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 36.578521] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify Call Trace: # [ 30.781668] dump_stack+0x77/0x9b # [ 30.7[ 36.604977] CR2: 00007fd3f81fb000 [ 36.614888] ---[ end trace 51bf6f1fff15928b ]--- [ 36.620040] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 36.624425] Code: 89 ff e8 2e b5 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 20 fb 93 02 [ 36.645424] RSP: 0018:ffffac3d0145fe60 EFLAGS: 00010286 [ 36.651257] RAX: ffffffffb32de9f0 RBX: 0000000000000001 RCX: 0000000000000000 [ 36.659225] RDX: 0000000000000000 RSI: ffff99b6fac1bf70 RDI: ffffffffb3f9ae90 [ 36.667193] RBP: ffffffffb43e5e78 R08: 0000000000000001 R09: 0000000000000001 [ 36.675162] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 36.683130] R13: ffffac3d0145ff10 R14: ffffac3d0145ff10 R15: ffff99b6841b4000 [ 36.691098] FS: 00007fd3f81cc580(0000) GS:ffff99b6fad80000(0000) knlGS:0000000000000000 [ 36.700136] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 36.706552] CR2: 00007fd3f81fb000 CR3: 0000000106524003 CR4: 00000000003706e0 85359] ___might_sleep.cold+0xa6/0xb6 # [ 30.789931] exit_signals+0x1c/0x2e0 # [ 30.793910] do_exit+0xd5/0xb00 # [ 30.797426] ? ksys_write+0x68/0xf0 # [ 30.801319] rewind_stack_do_exit+0x17/0x20 # [ 30.805986] RIP: 0033:0x7fb5ee5b78f3 # [ 30.809973] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 30.830957] RSP: 002b:00007ffddc68e4b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 30.839426] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007fb5ee5b78f3 # [ 30.847395] RDX: 000000000000001a RSI: 00007fb5ee4aa000 RDI: 0000000000000001 # [ 30.855376] RBP: 00007fb5ee4aa000 R08: 00007fb5ee4a9010 R09: 0000000000000000 # [ 30.863347] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 30.871315] R13: 0000000000000001 R14: 0000000000020000 R[ 36.801745] lkdtm: Performing direct entry ACCESS_NULL 15: 0000000000020000 # STACK_GUARD_PAGE_TRAILING: saw 'call tra[ 36.813527] lkdtm: attempting bad read at 0000000000000000 ce:': ok ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh [ 36.825894] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 36.839858] #PF: supervisor read access in kernel mode [ 36.845594] #PF: error_code(0x0000) - not-present page [ 36.851329] PGD 0 P4D 0 [ 36.854152] Oops: 0000 [#13] SMP PTI [ 36.858140] CPU: 1 PID: 1917 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 36.866780] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 36.873585] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 # selftests: lkdtm: UNSET_SMEP.sh # [ 30.973263] lkdtm: Perfo[ 36.878836] Code: ad 99 fd ff be 00 10 00 00 48 89 ef e8 cd a9 39 ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 b8 b9 38 b4 e8 87 99 fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 e0 b9 38 b4 48 01 [ 36.906028] RSP: 0018:ffffac3d0268fe58 EFLAGS: 00010246 [ 36.911861] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 [ 36.919830] RDX: 0000000000000000 RSI: ffff99b6fac9bf70 RDI: ffff99b6fac9bf70 [ 36.927797] RBP: ffffffffb438aaa9 R08: 0000000000000000 R09: 0000000000000000 [ 36.935766] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 36.943732] R13: ffffac3d0268ff10 R14: ffffac3d0268ff10 R15: ffff99b6859bd000 [ 36.951701] FS: 00007f7704065580(0000) GS:ffff99b6fac80000(0000) knlGS:0000000000000000 [ 36.960729] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 36.967143] CR2: 0000000000000000 CR3: 00000001031ca005 CR4: 00000000003706e0 [ 36.975112] Call Trace: [ 36.977839] direct_entry.cold+0x2c/0x38 rming direct entry UNSET_SMEP # [ 30.984418] lkdtm: trying to[ 36.982219] full_proxy_write+0x53/0x80 [ 36.992709] vfs_write+0xe7/0x3a0 clear SMEP normally # [ 30.989588] ------------[ cut here ]-[ 36.996429] ksys_write+0x68/0xf0 [ 37.006335] do_syscall_64+0x30/0x40 [ 37.010325] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 37.015955] RIP: 0033:0x7f7703f7b8f3 [ 37.019942] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 37.040923] RSP: 002b:00007ffc599dd9b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 37.049368] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f7703f7b8f3 [ 37.057336] RDX: 000000000000000c RSI: 00007f7703e6e000 RDI: 0000000000000001 [ 37.065303] RBP: 00007f7703e6e000 R08: 00007f7703e6d010 R09: 0000000000000000 [ 37.073272] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 37.081241] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ----------- # [ 30.994758] pinned CR4 bits changed: 0x100000![ 37.089214] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 37.121851] CR2: 0000000000000000 [ 37.125539] ---[ end trace 51bf6f1fff15928c ]--- [ 37.130692] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 37.135061] Code: 89 ff e8 2e b5 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 20 fb 93 02 [ 37.156033] RSP: 0018:ffffac3d0145fe60 EFLAGS: 00010286 [ 37.161857] RAX: ffffffffb32de9f0 RBX: 0000000000000001 RCX: 0000000000000000 [ 37.169826] RDX: 0000000000000000 RSI: ffff99b6fac1bf70 RDI: ffffffffb3f9ae90 [ 37.177794] RBP: ffffffffb43e5e78 R08: 0000000000000001 R09: 0000000000000001 [ 37.185763] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 37.193731] R13: ffffac3d0145ff10 R14: ffffac3d0145ff10 R15: ffff99b6841b4000 [ 37.201699] FS: 00007f7704065580(0000) GS:ffff99b6fac80000(0000) knlGS:0000000000000000 [ 37.210736] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 37.217151] CR2: 0000000000000000 CR3: 00000001031ca005 CR4: 00000000003706e0 ? # [ 30.999872] WARNING: CPU: 3 PID: 1124 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60 # [ 31.010093] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 31.042732] CPU: 3 PID: 1124 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 31.051394] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 31.058236] RIP: 0010:native_write_cr4+0x45/0x60 # [ 31.063433] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d 61 a3 e3 01 00 75 f2 48 c7 c7 58 9d 2c b4 c6 05 51 a3 e3 01 01 e8 a6 c0 e7 00 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 # [ 31.084431] RSP: 0018:ffffac3d01a37e48 EFLAGS: 00010286 # [ 31.09648[ 37.309560] lkdtm: Performing direct entry WRITE_RO 3] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 000000000000[ 37.317583] lkdtm: attempting bad rodata write at ffffffffb3f9b310 0000 # [ 31.104460] RDX: ffff99b6fadac660 RSI: ffff99b6fad9bf[ 37.330711] BUG: unable to handle page fault for address: ffffffffb3f9b310 [ 37.344598] #PF: supervisor write access in kernel mode [ 37.350430] #PF: error_code(0x0003) - permissions violation [ 37.356651] PGD 12629067 P4D 12629067 PUD 1262a063 PMD 8000000011e000e1 70 RDI: ffff99b6fad9bf70 # [ 31.112482] RBP: ffffffffb438a925[ 37.364139] Oops: 0003 [#14] SMP PTI [ 37.374338] CPU: 1 PID: 1952 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 37.382984] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 37.389790] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a R08: 0000000000000000 R09: 0000000000000000 # [ 31.120471] R[ 37.394749] Code: 00 48 c7 c7 98 b8 38 b4 48 c7 c6 10 b3 f9 b3 e8 31 9c fd ff 48 8b 05 87 ed 62 00 ba 34 12 cd ab 48 c7 c7 c8 b8 38 b4 48 31 d0 <48> 89 05 71 ed 62 00 e9 0f 9c fd ff 0f 1f 44 00 00 48 8b 05 80 bd [ 37.421940] RSP: 0018:ffffac3d02727e60 EFLAGS: 00010202 [ 37.427771] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 [ 37.435738] RDX: 00000000abcd1234 RSI: ffff99b6fac9bf70 RDI: ffffffffb438b8c8 [ 37.443705] RBP: ffffffffb438aab5 R08: 0000000000000000 R09: 0000000000000000 [ 37.451672] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 [ 37.459639] R13: ffffac3d02727f10 R14: ffffac3d02727f10 R15: ffff99b6840a5000 [ 37.467607] FS: 00007f0eea007580(0000) GS:ffff99b6fac80000(0000) knlGS:0000000000000000 [ 37.476643] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 37.483058] CR2: ffffffffb3f9b310 CR3: 0000000103dc6005 CR4: 00000000003706e0 [ 37.491025] Call Trace: [ 37.493753] direct_entry.cold+0x2c/0x38 [ 37.498130] full_proxy_write+0x53/0x80 10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b[ 37.502428] vfs_write+0xe7/0x3a0 [ 37.512333] ksys_write+0x68/0xf0 [ 37.516031] do_syscall_64+0x30/0x40 # [ 31.128484] R13: ffffac3d01a37f10 R14: ffffac3d01a37f10 R[ 37.520021] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 37.531872] RIP: 0033:0x7f0ee9f1d8f3 [ 37.535860] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 37.556838] RSP: 002b:00007fffa80be0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 37.565292] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f0ee9f1d8f3 [ 37.573261] RDX: 0000000000000009 RSI: 00007f0ee9e10000 RDI: 0000000000000001 [ 37.581227] RBP: 00007f0ee9e10000 R08: 00007f0ee9e0f010 R09: 0000000000000000 [ 37.589194] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 37.597160] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 15: ffff99b6858e6000 # [ 31.136471] FS: 00007f4568638580(000[ 37.605131] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 37.637759] CR2: ffffffffb3f9b310 [ 37.641455] ---[ end trace 51bf6f1fff15928d ]--- [ 37.646610] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 37.650985] Code: 89 ff e8 2e b5 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 20 fb 93 02 [ 37.671964] RSP: 0018:ffffac3d0145fe60 EFLAGS: 00010286 [ 37.677795] RAX: ffffffffb32de9f0 RBX: 0000000000000001 RCX: 0000000000000000 [ 37.685762] RDX: 0000000000000000 RSI: ffff99b6fac1bf70 RDI: ffffffffb3f9ae90 [ 37.693730] RBP: ffffffffb43e5e78 R08: 0000000000000001 R09: 0000000000000001 [ 37.701696] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 37.709666] R13: ffffac3d0145ff10 R14: ffffac3d0145ff10 R15: ffff99b6841b4000 [ 37.717634] FS: 00007f0eea007580(0000) GS:ffff99b6fac80000(0000) knlGS:0000000000000000 [ 37.726672] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 37.733078] CR2: ffffffffb3f9b310 CR3: 0000000103dc6005 CR4: 00000000003706e0 [ 37.741046] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 37.750957] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1952, name: cat [ 37.759421] INFO: lockdep is turned off. [ 37.763800] irq event stamp: 0 [ 37.767204] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 37.774202] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 37.783336] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 37.792487] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 37.799485] CPU: 1 PID: 1952 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 37.808132] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 37.814935] Call Trace: [ 37.817663] dump_stack+0x77/0x9b [ 37.821364] ___might_sleep.cold+0xa6/0xb6 [ 37.825935] exit_signals+0x1c/0x2e0 [ 37.829915] do_exit+0xd5/0xb00 [ 37.833427] ? ksys_write+0x68/0xf0 [ 37.837321] rewind_stack_do_exit+0x17/0x20 [ 37.841990] RIP: 0033:0x7f0ee9f1d8f3 [ 37.845976] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 37.866954] RSP: 002b:00007fffa80be0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 37.875429] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f0ee9f1d8f3 [ 37.883398] RDX: 0000000000000009 RSI: 00007f0ee9e10000 RDI: 0000000000000001 [ 37.891390] RBP: 00007f0ee9e10000 R08: 00007f0ee9e0f010 R09: 0000000000000000 [ 37.899358] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 37.907326] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0) GS:ffff99b6fad80000(0000) knlGS:0000000000000000 # [ 31.145550] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 31.158181] CR2: 00007f4568441000 CR3: 000000010271a004 CR4: 00000000003706e0 # [ 31.166156] Call Trace: # [ 31.168890] lkdtm_UNSET_SMEP.cold+0x1d/0x103 # [ 31.173790] direct_entry.cold+0x2c/0x38 # [ 31.178203] full_proxy_write+0x53/0x80 # [ 31.182520] vfs_write+0xe7/0x3a0 # [ 31.186253] ksys_write+0x68/0xf0 # [ 31.189989] do_syscall_64+0x30/0x40 # [ 31.194013] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 31.199659] RIP: 0033:0x7f456854e8f3 # [ 31.203683] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 31.224674] RSP: 002b:00007fff8ea83e28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 31.233165] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f456854e8f3 # [ 31.241141] RDX: 000000000000000b RSI: 00007f4568441000 RDI: 0000000000000001 # [ 3[ 38.017178] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT [ 38.027477] lkdtm: attempting bad ro_after_init write at ffffffffb4408330 [ 38.035099] BUG: unable to handle page fault for address: ffffffffb4408330 [ 38.042808] #PF: supervisor write access in kernel mode [ 38.048644] #PF: error_code(0x0003) - permissions violation [ 38.054864] PGD 12629067 P4D 12629067 PUD 1262a063 PMD 1028d8063 PTE 8000000012408061 [ 38.063612] Oops: 0003 [#15] SMP PTI [ 38.067600] CPU: 3 PID: 1987 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 38.076249] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 38.083054] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a [ 38.089079] Code: b8 38 b4 e9 e3 9b fd ff 48 c7 c7 20 b9 38 b4 e8 d7 9b fd ff 48 8b 05 4d bd a9 00 ba 34 12 cd ab 48 c7 c7 c8 b8 38 b4 48 31 d0 <48> 89 05 37 bd a9 00 e9 b5 9b fd ff 0f 1f 44 00 00 41 54 48 c7 c7 [ 38.110060] RSP: 0018:ffffac3d02777e60 EFLAGS: 00010202 [ 38.115893] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 [ 38.123861] RDX: 00000000abcd1234 RSI: ffff99b6fad9bf70 RDI: ffffffffb438b8c8 [ 38.131828] RBP: ffffffffb438aabe R08: 0000000000000000 R09: 0000000000000000 [ 38.139796] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 [ 38.147763] R13: ffffac3d02777f10 R14: ffffac3d02777f10 R15: ffff99b683c00000 [ 38.155732] FS: 00007fbca8a95580(0000) GS:ffff99b6fad80000(0000) knlGS:0000000000000000 [ 38.164761] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.171175] CR2: ffffffffb4408330 CR3: 0000000104e66002 CR4: 00000000003706e0 [ 38.179142] Call Trace: [ 38.181869] direct_entry.cold+0x2c/0x38 [ 38.186247] full_proxy_write+0x53/0x80 [ 38.190527] vfs_write+0xe7/0x3a0 [ 38.194225] ksys_write+0x68/0xf0 [ 38.197924] do_syscall_64+0x30/0x40 [ 38.201912] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 38.207552] RIP: 0033:0x7fbca89ab8f3 [ 38.211541] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 38.232512] RSP: 002b:00007ffce7b7ab68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 38.240958] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007fbca89ab8f3 [ 38.248926] RDX: 0000000000000014 RSI: 00007fbca889e000 RDI: 0000000000000001 [ 38.256893] RBP: 00007fbca889e000 R08: 00007fbca889d010 R09: 0000000000000000 [ 38.264861] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 38.272830] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 38.280803] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 1.249146] RBP: 00007f4568441000 R08: 00007f4568440010 R09: 00000[ 38.307256] CR2: ffffffffb4408330 [ 38.317165] ---[ end trace 51bf6f1fff15928e ]--- [ 38.322319] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 38.326694] Code: 89 ff e8 2e b5 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 20 fb 93 02 [ 38.347675] RSP: 0018:ffffac3d0145fe60 EFLAGS: 00010286 [ 38.353506] RAX: ffffffffb32de9f0 RBX: 0000000000000001 RCX: 0000000000000000 [ 38.361481] RDX: 0000000000000000 RSI: ffff99b6fac1bf70 RDI: ffffffffb3f9ae90 [ 38.369450] RBP: ffffffffb43e5e78 R08: 0000000000000001 R09: 0000000000000001 [ 38.377428] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 38.385397] R13: ffffac3d0145ff10 R14: ffffac3d0145ff10 R15: ffff99b6841b4000 [ 38.393366] FS: 00007fbca8a95580(0000) GS:ffff99b6fad80000(0000) knlGS:0000000000000000 [ 38.402394] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.408801] CR2: ffffffffb4408330 CR3: 0000000104e66002 CR4: 00000000003706e0 00000000000 # [ 31.257121] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 31.265096] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 31.273075] irq event stamp: 0 # [ 31.276515] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 31.283521] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 31.292693] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 31.301832] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 31.308837] ---[ end trace 51bf6f1fff159283 ]--- # [ 31.314025] lkdtm: ok: SMEP did not get cleared # [ 31.319087] lkdtm: trying to clear SMEP with call gadget # [ 31.325022] 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 # [ 31.409987] lkdtm: Performing direct entry D[ 38.508514] lkdtm: Performing direct entry WRITE_KERN [ 38.515676] lkdtm: attempting bad 6870851 byte write at ffffffffb396c503 [ 38.523170] BUG: unable to handle page fault for address: ffffffffb396c503 [ 38.530881] #PF: supervisor write access in kernel mode [ 38.536714] #PF: error_code(0x0003) - permissions violation [ 38.542935] PGD 12629067 P4D 12629067 PUD 1262a063 PMD 118000e1 [ 38.549643] Oops: 0003 [#16] SMP PTI [ 38.553631] CPU: 3 PID: 2022 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 38.562278] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 38.569086] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e [ 38.574239] Code: 53 48 c7 c3 03 c5 96 b3 49 89 dc 48 89 da 49 81 ec c0 ed 2d b3 4c 89 e6 e8 8a 9b fd ff 48 89 df 4c 89 e1 48 c7 c6 c0 ed 2d b3 a4 48 c7 c7 c8 b8 38 b4 e8 6f 9b fd ff 5b 41 5c e9 b7 fe ff ff [ 38.595218] RSP: 0018:ffffac3d02827e50 EFLAGS: 00010246 [ 38.601050] RAX: 000000000000003c RBX: ffffffffb396c503 RCX: 000000000068d743 [ 38.609018] RDX: 0000000000000000 RSI: ffffffffb32dedc0 RDI: ffffffffb396c503 [ 38.616986] RBP: ffffffffb438aad2 R08: 0000000000000000 R09: 0000000000000000 [ 38.624953] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000068d743 [ 38.632920] R13: ffffac3d02827f10 R14: ffffac3d02827f10 R15: ffff99b6832d3000 [ 38.640888] FS: 00007fbcefb3a580(0000) GS:ffff99b6fad80000(0000) knlGS:0000000000000000 [ 38.649923] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.656336] CR2: ffffffffb396c503 CR3: 0000000103cfa001 CR4: 00000000003706e0 [ 38.664303] Call Trace: [ 38.667031] direct_entry.cold+0x2c/0x38 [ 38.671428] full_proxy_write+0x53/0x80 [ 38.675710] vfs_write+0xe7/0x3a0 [ 38.679408] ksys_write+0x68/0xf0 [ 38.683105] do_syscall_64+0x30/0x40 [ 38.687085] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 38.692723] RIP: 0033:0x7fbcefa508f3 [ 38.696710] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 38.717693] RSP: 002b:00007fffa8033668 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 38.726137] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007fbcefa508f3 [ 38.734105] RDX: 000000000000000b RSI: 00007fbcef943000 RDI: 0000000000000001 [ 38.742074] RBP: 00007fbcef943000 R08: 00007fbcef942010 R09: 0000000000000000 [ 38.750042] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 38.758011] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 38.765982] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify OUBLE_FAULT # [ 31.416849] lkdtm: XFAIL: this test is ia32-on[ 38.792435] CR2: ffffffffb396c503 [ 38.802347] ---[ end trace 51bf6f1fff15928f ]--- [ 38.807501] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 38.811878] Code: 89 ff e8 2e b5 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 20 fb 93 02 [ 38.832848] RSP: 0018:ffffac3d0145fe60 EFLAGS: 00010286 [ 38.838679] RAX: ffffffffb32de9f0 RBX: 0000000000000001 RCX: 0000000000000000 [ 38.846646] RDX: 0000000000000000 RSI: ffff99b6fac1bf70 RDI: ffffffffb3f9ae90 [ 38.854614] RBP: ffffffffb43e5e78 R08: 0000000000000001 R09: 0000000000000001 [ 38.862581] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 38.870549] R13: ffffac3d0145ff10 R14: ffffac3d0145ff10 R15: ffff99b6841b4000 [ 38.878518] FS: 00007fbcefb3a580(0000) GS:ffff99b6fad80000(0000) knlGS:0000000000000000 [ 38.887556] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.893969] CR2: ffffffffb396c503 CR3: 0000000103cfa001 CR4: 00000000003706e0 ly # DOUBLE_FAULT: saw 'XFAIL': [SKIP] ok 15 selftests: lkdtm: DOUBLE_FAULT.sh # SKIP # selftests: lkdtm: CORRUPT_PAC.sh # [ 31.508585] lkdtm: Performing direct entry CORRUPT_PAC # [ 31.514833] lkdtm: XFAIL: this test is arm64-only # CORRUPT_PAC: saw 'XFAIL': [SKIP] ok 16 selftests: lkdtm: CORRUPT_PAC.sh # SKIP # selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh # [ 31.600069] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 31.608135] 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 # [ 31.773703] lkdtm: Performing direct entry READ_AFTER_FREE # [ 31.783434] lkdtm: Value in memory before free: 12345678 # [ 31.795586] lkdtm: Att[ 39.008080] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW empting bad read from freed memory # [ 31.807737] lkdtm: Memo[ 39.020592] lkdtm: attempting good refcount_inc() without overflow ry was not poisoned # READ_AFTER_FREE: missing 'call trace:': [[ 39.033708] lkdtm: attempting bad refcount_inc() overflow FAIL] not ok 20 selftests: lkdtm: READ_AFTER_FREE.sh # exit=1 [ 39.045952] ------------[ cut here ]------------ # selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # Skipping WRITE_[ 39.057337] refcount_t: saturated; leaking memory. BUDDY_AFTER_FREE: Corrupts memory on failure ok 21 selftests: l[ 39.068923] WARNING: CPU: 0 PID: 2058 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 kdtm: WRITE_BUDDY_AFTER_FREE.sh # SKIP # selftests: lkdtm: READ[ 39.084530] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify _BUDDY_AFTER_FREE.sh # [ 31.932596] lkdtm: Performing direct [ 39.117174] CPU: 0 PID: 2058 Comm: cat Tainted: G D W 5.10.147-cip18 #1 entry READ_BUDDY_AFTER_FREE # [ 31.943348] lkdtm: Value in me[ 39.132034] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 mory before free: 12345678 # [ 31.949291] lkdtm: Attempting t[ 39.145066] RIP: 0010:refcount_warn_saturate+0x51/0x110 o read from freed memory # [ 31.955161] lkdtm: Buddy page was[ 39.157111] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d ad 48 94 01 00 75 ee 48 c7 c7 18 65 32 b4 c6 05 9d 48 94 01 01 e8 0a 65 98 00 <0f> 0b c3 cc cc cc cc 80 3d 89 48 94 01 00 75 cb 48 c7 c7 40 65 32 not poisoned # READ_BUDDY_AFTER_FREE: missing 'call trace:': [[ 39.184315] RSP: 0018:ffffac3d028bfe48 EFLAGS: 00010286 FAIL] not ok 22 selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh # ex[ 39.196359] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 it=1 # selftests: lkdtm: SLAB_FREE_DOUBLE.sh # [ 32.049196] [ 39.210549] RDX: ffff99b6fac2c660 RSI: ffff99b6fac1bf70 RDI: ffff99b6fac1bf70 lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 32.059626[ 39.224736] RBP: ffffffffb438aadd R08: 0000000000000000 R09: 0000000000000000 ] lkdtm: Attempting double slab free ... # SLAB_FREE_DOUBLE: mi[ 39.238926] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 ssing 'call trace:': [FAIL] not ok 23 selftests: lkdtm: SLAB_FR[ 39.253124] R13: ffffac3d028bff10 R14: ffffac3d028bff10 R15: ffff99b68362e000 EE_DOUBLE.sh # exit=1 # selftests: lkdtm: SLAB_FREE_CROSS.sh #[ 39.267305] FS: 00007fa9eb02d580(0000) GS:ffff99b6fac00000(0000) knlGS:0000000000000000 [ 32.140608] lkdtm: Performing direct entry SLAB_FREE_CROSS [ 39.282570] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 32.151913] lkdtm: Attempting cross-cache slab free ... # [ 39.295170] CR2: 00007fa9eae36000 CR3: 00000001041f6006 CR4: 00000000003706f0 SLAB_FREE_CROSS: missing 'call trace:': [FAIL] not ok 24 selfte[ 39.309363] Call Trace: sts: lkdtm: SLAB_FREE_CROSS.sh # exit=1 # selftests: lkdtm: SLA[ 39.318317] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 B_FREE_PAGE.sh # [ 32.224037] lkdtm: Performing direct entry [ 39.329971] direct_entry.cold+0x2c/0x38 SLAB_FREE_PAGE # [ 32.232226] lkdtm: Attempting non-Slab slab[ 39.340529] full_proxy_write+0x53/0x80 free ... # SLAB_FREE_PAGE: missing 'call trace:': [FAIL] not [ 39.351067] vfs_write+0xe7/0x3a0 ok 25 selftests: lkdtm: SLAB_FREE_PAGE.sh # exit=1 # selftests:[ 39.360912] ksys_write+0x68/0xf0 lkdtm: SOFTLOCKUP.sh # Skipping SOFTLOCKUP: Hangs the system [ 39.370901] do_syscall_64+0x30/0x40 ok 26 selftests: lkdtm: SOFTLOCKUP.sh # SKIP # selftests: lkdtm[ 39.381040] entry_SYSCALL_64_after_hwframe+0x61/0xc6 : HARDLOCKUP.sh # Skipping HARDLOCKUP: Hangs the system ok 27 [ 39.392901] RIP: 0033:0x7fa9eaf438f3 selftests: lkdtm: HARDLOCKUP.sh # SKIP # selftests: lkdtm: SPIN[ 39.403103] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 LOCKUP.sh # Skipping SPINLOCKUP: Hangs the system ok 28 selfte[ 39.430314] RSP: 002b:00007ffcdd566358 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 sts: lkdtm: SPINLOCKUP.sh # SKIP # selftests: lkdtm: HUNG_TASK.[ 39.444990] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fa9eaf438f3 sh # Skipping HUNG_TASK: Hangs the system ok 29 selftests: lkd[ 39.459217] RDX: 0000000000000016 RSI: 00007fa9eae36000 RDI: 0000000000000001 tm: HUNG_TASK.sh # SKIP # selftests: lkdtm: EXEC_DATA.sh # Kil[ 39.473403] RBP: 00007fa9eae36000 R08: 00007fa9eae35010 R09: 0000000000000000 led # [ 32.422355] lkdtm: Performing direct entry EXEC_DATA [ 39.487613] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 32.429759] lkdtm: attempting ok execution at ffffffffb32de[ 39.501779] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 dc0 # [ 32.436308] lkdtm: attempting bad execution at fffffff[ 39.515970] irq event stamp: 0 fb5c1e560 # [ 32.442930] kernel tried to execute NX-protected[ 39.525588] hardirqs last enabled at (0): [<0000000000000000>] 0x0 page - exploit attempt? (uid: 0) # [ 32.451294] BUG: unable [ 39.538817] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 to handle page fault for address: ffffffffb5c1e560 # [ 32.458[ 39.554156] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 974] #PF: supervisor instruction fetch in kernel mode # [ 32.[ 39.569523] softirqs last disabled at (0): [<0000000000000000>] 0x0 465293] #PF: error_code(0x0011) - permissions violation # [ 3[ 39.582727] ---[ end trace 51bf6f1fff159290 ]--- 2.471513] PGD 12629067 P4D 12629067 PUD 1262a063 PMD 8000000013c[ 39.594132] lkdtm: Overflow detected: saturated 000e3 # [ 32.479000] Oops: 0011 [#5] SMP PTI # [ 32.482891] CPU: 3 PID: 1631 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 32.491540] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 32.498346] RIP: 0010:data_area+0x0/0x40 # [ 32.502722] Code: ff ff 00 f8 2d 84 b6 99 ff ff 00 f7 2d 84 b6 99 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 # [ 32.523707] RSP: 0018:ffffac3d0225fe48 EFLAGS: 00010246 # [ 32.529541] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 32.537512] RDX: 0000000000000000 RSI: ffff99b6fad9bf70 RDI: ffff99b6fad9bf70 # [ 32.545483] RBP: ffffffffb5c1e560 R08: 0000000000000000 R09: 0000000000000000 # [ 32.553468] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 32.561442] R13: ffffac3d0225ff10 R14: ffffac3d0225ff10 R15: ffff99b683369000 [ 39.695385] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW [ 39.705291] lkdtm: attempting good refcount_add() without overflow [ 39.712227] lkdtm: attempting bad refcount_add() overflow [ 39.718259] ------------[ cut here ]------------ # [ 32.569429] FS: 00007f8ab797e580(0000) GS:ffff99b6fad80000[ 39.723431] refcount_t: saturated; leaking memory. [ 39.735023] WARNING: CPU: 3 PID: 2090 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 (0000) knlGS:0000000000000000 # [ 32.578481] CS: 0010 DS: 00[ 39.744458] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 39.777088] CPU: 3 PID: 2090 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 39.785739] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 39.792548] RIP: 0010:refcount_warn_saturate+0x51/0x110 [ 39.798384] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d ad 48 94 01 00 75 ee 48 c7 c7 18 65 32 b4 c6 05 9d 48 94 01 01 e8 0a 65 98 00 <0f> 0b c3 cc cc cc cc 80 3d 89 48 94 01 00 75 cb 48 c7 c7 40 65 32 [ 39.819367] RSP: 0018:ffffac3d0293fe48 EFLAGS: 00010286 [ 39.825203] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 [ 39.833174] RDX: ffff99b6fadac660 RSI: ffff99b6fad9bf70 RDI: ffff99b6fad9bf70 [ 39.841146] RBP: ffffffffb438aaf3 R08: 0000000000000000 R09: 0000000000000000 [ 39.849118] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 [ 39.857091] R13: ffffac3d0293ff10 R14: ffffac3d0293ff10 R15: ffff99b683ca8000 [ 39.865067] FS: 00007f7622ff7580(0000) GS:ffff99b6fad80000(0000) knlGS:0000000000000000 [ 39.874138] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.880555] CR2: 00007f7622e00000 CR3: 0000000105a26006 CR4: 00000000003706e0 [ 39.888527] Call Trace: [ 39.891257] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 [ 39.896632] direct_entry.cold+0x2c/0x38 [ 39.901012] full_proxy_write+0x53/0x80 [ 39.905345] vfs_write+0xe7/0x3a0 00 ES: 0000 CR0: 0000000080050033 # [ 32.584897] CR2: fffffff[ 39.909059] ksys_write+0x68/0xf0 [ 39.918966] do_syscall_64+0x30/0x40 [ 39.922980] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 39.928621] RIP: 0033:0x7f7622f0d8f3 [ 39.932613] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 39.953596] RSP: 002b:00007fffaf185728 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 39.962054] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f7622f0d8f3 [ 39.970026] RDX: 0000000000000016 RSI: 00007f7622e00000 RDI: 0000000000000001 [ 39.977997] RBP: 00007f7622e00000 R08: 00007f7622dff010 R09: 0000000000000000 [ 39.985970] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 39.993941] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 40.001918] irq event stamp: 0 fb5c1e560 CR3: 00000001032ee005 CR4: 00000000003706e0 # [ 32.[ 40.005350] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 40.018564] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 40.027704] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 40.036843] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 40.043843] ---[ end trace 51bf6f1fff159291 ]--- [ 40.048999] lkdtm: Overflow detected: saturated 592867] Call Trace: # [ 32.595595] ? execute_location+0x45/0x56 # [ 32.600069] ? direct_entry.cold+0x2c/0x38 # [ 32.604640] ? full_proxy_write+0x53/0x80 # [ 32.609108] ? vfs_write+0xe7/0x3a0 # [ 32.612999] ? ksys_write+0x68/0xf0 # [ 32.616891] ? do_syscall_64+0x30/0x40 # [ 32.621066] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 32.626903] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 32.653360] CR2: ffffffffb5c1e560 # [ 32.663270] ---[ end trace 51bf6f1fff159284 ]--- # [ 32.668428] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 32.672805] Code: 89 ff e8 2e b5 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 [ 40.142084] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW 1f 44 00 00 83 05 20 fb 93 02 # [ 32.693789] RSP: 0018:ffffac[ 40.154906] lkdtm: attempting bad refcount_inc_not_zero() overflow 3d0145fe60 EFLAGS: 00010286 # [ 32.699622] RAX: ffffffffb32de[ 40.168025] ------------[ cut here ]------------ 9f0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 32.707593[ 40.179397] refcount_t: saturated; leaking memory. ] RDX: 0000000000000000 RSI: ffff99b6fac1bf70 RDI: ffffffffb3f9a[ 40.190972] WARNING: CPU: 1 PID: 2122 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 e90 # [ 32.715562] RBP: ffffffffb43e5e78 R08: 000000000000000[ 40.206602] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 1 R09: 0000000000000001 # [ 32.723532] R10: 00000000ffffe000 [ 40.239241] CPU: 1 PID: 2122 Comm: cat Tainted: G D W 5.10.147-cip18 #1 R11: 3fffffffffffffff R12: 0000000000000004 # [ 32.731500] R1[ 40.254105] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 3: ffffac3d0145ff10 R14: ffffac3d0145ff10 R15: ffff99b6841b4000[ 40.267123] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 32.739475] FS: 00007f8ab797e580(0000) GS:ffff99b6fad8000[ 40.279174] Code: 01 01 e8 e7 64 98 00 0f 0b c3 cc cc cc cc 80 3d 68 48 94 01 00 75 a8 48 c7 c7 18 65 32 b4 c6 05 58 48 94 01 01 e8 c4 64 98 00 <0f> 0b c3 cc cc cc cc 80 3d 42 48 94 01 00 75 85 48 c7 c7 70 65 32 0(0000) knlGS:0000000000000000 # [ 32.748513] CS: 0010 DS: 0[ 40.306373] RSP: 0018:ffffac3d029b7e38 EFLAGS: 00010282 000 ES: 0000 CR0: 0000000080050033 # [ 32.754929] CR2: ffffff[ 40.318430] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 ffb5c1e560 CR3: 00000001032ee005 CR4: 00000000003706e0 # [ 32[ 40.332616] RDX: ffff99b6facac660 RSI: ffff99b6fac9bf70 RDI: ffff99b6fac9bf70 .762900] BUG: sleeping function called from invalid context at i[ 40.346803] RBP: ffffffffb438a730 R08: 0000000000000000 R09: 0000000000000000 nclude/linux/percpu-rwsem.h:49 # [ 32.772812] in_atomic(): 0,[ 40.360990] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f irqs_disabled(): 1, non_block: 0, pid: 1631, name: cat # [ 3[ 40.375176] R13: ffffac3d029b7f10 R14: ffffac3d029b7f10 R15: ffff99b6832e5000 2.781268] INFO: lockdep is turned off. # [ 32.785643] irq eve[ 40.389363] FS: 00007f01aa9fe580(0000) GS:ffff99b6fac80000(0000) knlGS:0000000000000000 nt stamp: 0 # [ 32.789049] hardirqs last enabled at (0): [<0[ 40.404616] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 000000000000000>] 0x0 # [ 32.796050] hardirqs last disabled a[ 40.417247] CR2: 00007f01aa807000 CR3: 0000000103dc6005 CR4: 00000000003706e0 t (0): [] copy_process+0x640/0x1c80 # [ 32.[ 40.431433] Call Trace: 805176] softirqs last enabled at (0): [] copy[ 40.440380] __refcount_add_not_zero.constprop.0+0x2a/0x35 _process+0x640/0x1c80 # [ 32.814312] softirqs last disabled a[ 40.452719] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 t (0): [<0000000000000000>] 0x0 # [ 32.821310] CPU: 3 PID: 16[ 40.465156] direct_entry.cold+0x2c/0x38 31 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ [ 40.475749] full_proxy_write+0x53/0x80 32.829959] Hardware name: Google Rammus/Rammus, BIOS 09/04/20[ 40.486247] vfs_write+0xe7/0x3a0 20 # [ 32.836764] Call Trace: # [ 32.839491] dump_stack+0[ 40.496159] ksys_write+0x68/0xf0 x77/0x9b # [ 32.843191] ___might_sleep.cold+0xa6/0xb6 # [ [ 40.506073] do_syscall_64+0x30/0x40 32.847763] exit_signals+0x1c/0x2e0 # [ 32.851752] do_exit+[ 40.516278] entry_SYSCALL_64_after_hwframe+0x61/0xc6 0xd5/0xb00 # [ 32.855247] ? ksys_write+0x68/0xf0 # [ 32.8[ 40.528134] RIP: 0033:0x7f01aa9148f3 59139] rewind_stack_do_exit+0x17/0x20 # [ 32.863806] RIP: 00[ 40.538337] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 33:0x7f8ab78948f3 # [ 32.867795] Code: 8b 15 a1 25 0e 00 f7 d[ 40.565533] RSP: 002b:00007ffffc01fc18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00[ 40.580206] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f01aa9148f3 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 5[ 40.594389] RDX: 000000000000001f RSI: 00007f01aa807000 RDI: 0000000000000001 5 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 32.888779] RS[ 40.608577] RBP: 00007f01aa807000 R08: 00007f01aa806010 R09: 0000000000000000 P: 002b:00007ffcc7a126d8 EFLAGS: 00000246 ORIG_RAX: 000000000000[ 40.622764] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 0001 # [ 32.897235] RAX: ffffffffffffffda RBX: 00000000000000[ 40.636950] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0a RCX: 00007f8ab78948f3 # [ 32.905205] RDX: 000000000000000a[ 40.651144] irq event stamp: 0 RSI: 00007f8ab7787000 RDI: 0000000000000001 # [ 32.913175] R[ 40.660760] hardirqs last enabled at (0): [<0000000000000000>] 0x0 BP: 00007f8ab7787000 R08: 00007f8ab7786010 R09: 0000000000000000[ 40.673976] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 32.921145] R10: fffffffffffffbc5 R11: 0000000000000246 R[ 40.689328] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 12: 0000000000000001 # [ 32.929113] R13: 0000000000000001 R14[ 40.704680] softirqs last disabled at (0): [<0000000000000000>] 0x0 : 0000000000020000 R15: 0000000000020000 # EXEC_DATA: saw 'call[ 40.717897] ---[ end trace 51bf6f1fff159292 ]--- trace:': ok ok 30 selftests: lkdtm: EXEC_DATA.sh # selftests:[ 40.729268] lkdtm: Overflow detected: saturated lkdtm: EXEC_STACK.sh # Killed # [ 33.016161] lkdtm: Performing direct entry EXEC_STACK # [ 33.023577] lkdtm: attempting ok execution at ffffffffb32dedc0 # [ 33.036340] lkdtm: attempting bad execution at ffffac3d0229fe18 # [ 33.049169] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 33.063706] BUG: unable to handle page fault for address: ffffac3d0229fe18 # [ 33.071385] #PF: supervisor instruction fetch in kernel mode # [ 33.077693] #PF: error_code(0x0011) - permissions violation # [ 33.083915] PGD 100000067 P4D 100000067 PUD 100211067 PMD 105b52067 PTE 8000000105a4e063 # [ 33.092963] Oops: 0011 [#6] SMP PTI # [ 33.096854] CPU: 0 PID: 1667 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 33.105505] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 33.112310] RIP: 0010:0xffffac3d0229fe18 # [ 33.116687] Code: 00 00 18 fe 29 02 3d ac ff ff 59 c5 96 b3 ff ff ff ff 20 00 00 00 00 00 00 00 4e aa 38 b4 ff ff ff ff 88 c6 96 b3 ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44[ 40.841147] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW [ 40.853780] lkdtm: attempting bad refcount_add_not_zero() overflow [ 40.860694] ------------[ cut here ]------------ [ 40.865856] refcount_t: saturated; leaking memory. [ 40.871218] WARNING: CPU: 2 PID: 2154 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 [ 40.880653] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 00 00 55 # [ 33.137664] RSP: 0018:ffffac3d0229fdf8 EFLAGS: 0[ 40.907107] CPU: 2 PID: 2154 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 40.921972] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 40.928803] RIP: 0010:refcount_warn_saturate+0x97/0x110 [ 40.934639] Code: 01 01 e8 e7 64 98 00 0f 0b c3 cc cc cc cc 80 3d 68 48 94 01 00 75 a8 48 c7 c7 18 65 32 b4 c6 05 58 48 94 01 01 e8 c4 64 98 00 <0f> 0b c3 cc cc cc cc 80 3d 42 48 94 01 00 75 85 48 c7 c7 70 65 32 [ 40.955627] RSP: 0018:ffffac3d02a37e38 EFLAGS: 00010282 [ 40.961494] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 [ 40.969478] RDX: ffff99b6fad2c660 RSI: ffff99b6fad1bf70 RDI: ffff99b6fad1bf70 [ 40.977466] RBP: ffffffffb438a750 R08: 0000000000000000 R09: 0000000000000000 [ 40.985479] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 40.993450] R13: ffffac3d02a37f10 R14: ffffac3d02a37f10 R15: ffff99b6832a8000 [ 41.001476] FS: 00007f3ffd5cf580(0000) GS:ffff99b6fad00000(0000) knlGS:0000000000000000 [ 41.010515] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.016938] CR2: 00007f3ffd3d8000 CR3: 00000001034d6001 CR4: 00000000003706e0 0010246 # [ 33.143499] RAX: 0000000000000033 RBX: 00000000000[ 41.024936] Call Trace: [ 41.033875] __refcount_add_not_zero.constprop.0+0x2a/0x35 [ 41.040035] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 [ 41.046283] direct_entry.cold+0x2c/0x38 [ 41.050661] full_proxy_write+0x53/0x80 [ 41.054944] vfs_write+0xe7/0x3a0 [ 41.058644] ksys_write+0x68/0xf0 [ 41.062345] do_syscall_64+0x30/0x40 [ 41.066360] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 41.072001] RIP: 0033:0x7f3ffd4e58f3 [ 41.075993] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 41.096980] RSP: 002b:00007fff8c485418 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 41.105440] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f3ffd4e58f3 00001 RCX: 0000000000000000 # [ 33.151489] RDX: 0000000000000[ 41.113411] RDX: 000000000000001f RSI: 00007f3ffd3d8000 RDI: 0000000000000001 [ 41.127591] RBP: 00007f3ffd3d8000 R08: 00007f3ffd3d7010 R09: 0000000000000000 [ 41.135563] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 41.143533] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 41.151510] irq event stamp: 0 [ 41.154946] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 41.161948] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 41.171086] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 41.180223] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 41.187223] ---[ end trace 51bf6f1fff159293 ]--- [ 41.192378] lkdtm: Overflow detected: saturated 000 RSI: ffff99b6fac1bf70 RDI: ffff99b6fac1bf70 # [ 33.159460] RBP: ffffac3d0229fe18 R08: 0000000000000000 R09: 0000000000000000 # [ 33.167450] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 33.175425] R13: ffffac3d0229ff10 R14: ffffac3d0229ff10 R15: ffff99b686441000 # [ 33.183394] FS: 00007f3b1a0a9580(0000) GS:ffff99b6fac00000(0000) knlGS:0000000000000000 # [ 33.192433] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 33.198848] CR2: ffffac3d0229fe18 CR3: 000000010653a001 CR4: 00000000003706f0 # [ 33.206817] Call Trace: # [ 33.209546] ? execute_location+0x45/0x56 # [ 33.214030] ? lkdtm_EXEC_STACK+0x26/0x44 # [ 33.218511] ? direct_entry.cold+0x2c/0x38 # [ 33.223091] ? full_proxy_write+0x53/0x80 # [ 33.227573] ? vfs_write+0xe7/0x3a0 # [ 33.231471] ? ksys_write+0x68/0xf0 # [ 33.235365] ? do_syscall_64+0x30/0x40 # [ 33.239555] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6[ 41.288813] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO [ 41.297047] lkdtm: attempting good refcount_dec() [ 41.302300] lkdtm: attempting bad refcount_dec() to zero # [ 33.245394] Modules linked in: fuse ip_tables cros_ec_sen[ 41.308241] ------------[ cut here ]------------ [ 41.319608] refcount_t: decrement hit 0; leaking memory. [ 41.325570] WARNING: CPU: 2 PID: 2186 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 sors cros_ec_sensors_core industrialio_triggered_buffer kfifo_bu[ 41.335002] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 41.367661] CPU: 2 PID: 2186 Comm: cat Tainted: G D W 5.10.147-cip18 #1 f industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cr[ 41.376323] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 41.389339] RIP: 0010:refcount_warn_saturate+0xfb/0x110 [ 41.395174] Code: c8 65 32 b4 c6 05 09 48 94 01 01 e8 7a 64 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 98 65 32 b4 c6 05 f0 47 94 01 01 e8 60 64 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b [ 41.416162] RSP: 0018:ffffac3d02a87e48 EFLAGS: 00010286 [ 41.421998] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 [ 41.429972] RDX: ffff99b6fad2c660 RSI: ffff99b6fad1bf70 RDI: ffff99b6fad1bf70 [ 41.437944] RBP: ffffffffb438ab09 R08: 0000000000000000 R09: 0000000000000000 [ 41.445917] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 41.453888] R13: ffffac3d02a87f10 R14: ffffac3d02a87f10 R15: ffff99b6858ef000 [ 41.461860] FS: 00007f3ad2bc5580(0000) GS:ffff99b6fad00000(0000) knlGS:0000000000000000 [ 41.470899] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.477317] CR2: 00007f3ad29ce000 CR3: 0000000105b5c002 CR4: 00000000003706e0 [ 41.485287] Call Trace: [ 41.488018] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd [ 41.493006] direct_entry.cold+0x2c/0x38 [ 41.497429] full_proxy_write+0x53/0x80 [ 41.501714] vfs_write+0xe7/0x3a0 os_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev[ 41.505432] ksys_write+0x68/0xf0 [ 41.515346] do_syscall_64+0x30/0x40 [ 41.519338] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 41.524981] RIP: 0033:0x7f3ad2adb8f3 [ 41.528972] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 41.549955] RSP: 002b:00007ffc45ef0668 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 cros_usbpd_notify # [ 33.271839] CR2: ffffac3d0229fe18 # [ [ 41.558428] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f3ad2adb8f3 [ 41.572607] RDX: 0000000000000012 RSI: 00007f3ad29ce000 RDI: 0000000000000001 [ 41.580579] RBP: 00007f3ad29ce000 R08: 00007f3ad29cd010 R09: 0000000000000000 [ 41.588550] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 41.596522] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 41.604500] irq event stamp: 0 33.275537] ---[ end trace 51bf6f1fff159285 ]--- # [ 33.2806[ 41.607935] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 41.621144] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 41.630283] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 41.639419] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 41.646439] ---[ end trace 51bf6f1fff159294 ]--- [ 41.651594] lkdtm: Zero detected: saturated 93] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 33.285071] Code: 89 ff e8 2e b5 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 20 fb 93 02 # [ 33.306055] RSP: 0018:ffffac3d0145fe60 EFLAGS: 00010286 # [ 33.311890] RAX: ffffffffb32de9f0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 33.319861] RDX: 0000000000000000 RSI: ffff99b6fac1bf70 RDI: ffffffffb3f9ae90 # [ 33.327831] RBP: ffffffffb43e5e78 R08: 0000000000000001 R09: 0000000000000001 # [ 33.335801] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 33.343771] R13: ffffac3d0145ff10 R14: ffffac3d0145ff10 R15: ffff99b6841b4000 # [ 33.351741] FS: 00007f3b1a0a9580(0000) GS:ffff99b6fac00000(0000) knlGS:0000000000000000 # [ 33.360779] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 33.367195] CR2: ffffac3d0229fe18 CR3: 000000010653a001 CR4: 00000000003706f0 # EXEC_STACK: saw 'call trace:': ok ok 31 selftests: lkdtm: EXEC_STACK.sh # selftests: lkdtm: EXEC_KMALLOC.sh # Killed # [ 33.457212] lkdtm: Performing direct entry [ 41.763206] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE [ 41.774876] lkdtm: attempting bad refcount_dec() below zero [ 41.781131] ------------[ cut here ]------------ [ 41.786289] refcount_t: decrement hit 0; leaking memory. [ 41.792249] WARNING: CPU: 2 PID: 2221 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 EXEC_KMALLOC # [ 33.468032] lkdtm: attempting ok execution at[ 41.801686] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 41.834317] CPU: 2 PID: 2221 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 41.842973] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 41.849812] RIP: 0010:refcount_warn_saturate+0xfb/0x110 [ 41.855650] Code: c8 65 32 b4 c6 05 09 48 94 01 01 e8 7a 64 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 98 65 32 b4 c6 05 f0 47 94 01 01 e8 60 64 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b [ 41.876665] RSP: 0018:ffffac3d02b4fe48 EFLAGS: 00010286 [ 41.882548] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 ffffffffb32dedc0 # [ 33.480757] lkdtm: attempting bad execut[ 41.890537] RDX: ffff99b6fad2c660 RSI: ffff99b6fad1bf70 RDI: ffff99b6fad1bf70 ion at ffff99b6813c5a80 # [ 33.493590] kernel tried to execut[ 41.904711] RBP: ffffffffb438ab1b R08: 0000000000000000 R09: 0000000000000000 e NX-protected page - exploit attempt? (uid: 0) # [ 33.508160[ 41.918896] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 ] BUG: unable to handle page fault for address: ffff99b6813c5a80[ 41.933083] R13: ffffac3d02b4ff10 R14: ffffac3d02b4ff10 R15: ffff99b6826e0000 # [ 33.515838] #PF: supervisor instruction fetch in kernel m[ 41.947269] FS: 00007fdf633e9580(0000) GS:ffff99b6fad00000(0000) knlGS:0000000000000000 ode # [ 33.522159] #PF: error_code(0x0011) - permissions viol[ 41.962527] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.975160] CR2: 00007fdf631f2000 CR3: 0000000104dee003 CR4: 00000000003706e0 ation # [ 33.528380] PGD 13e01067 P4D 13e01067 PUD 10084e063 [ 41.983135] Call Trace: PMD 102858063 PTE 80000001013c5063 # [ 33.537229] Oops: 0011 [ 41.992074] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 [#7] SMP PTI # [ 33.547335] CPU: 1 PID: 1703 Comm: cat Tainte[ 42.003640] direct_entry.cold+0x2c/0x38 d: G D W 5.10.147-cip18 #1 # [ 33.555977] Hardwa[ 42.014235] full_proxy_write+0x53/0x80 re name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 33.562783[ 42.024735] vfs_write+0xe7/0x3a0 ] RIP: 0010:0xffff99b6813c5a80 # [ 33.567159] Code: ff ff 20 [ 42.034648] ksys_write+0x68/0xf0 00 00 00 00 00 00 00 35 36 32 34 32 65 64 36 38 38 62 37 34 36 6[ 42.044564] do_syscall_64+0x30/0x40 4 31 61 32 39 62 31 61 64 36 64 36 38 64 64 30 39 31 <0f> 1f 44 [ 42.054768] entry_SYSCALL_64_after_hwframe+0x61/0xc6 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 # [ [ 42.066626] RIP: 0033:0x7fdf632ff8f3 33.588145] RSP: 0018:ffffac3d02357e38 EFLAGS: 00010246 # [ 33[ 42.076833] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 .593978] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 000000[ 42.104036] RSP: 002b:00007ffe403610b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 0000000000 # [ 33.601947] RDX: 0000000000000000 RSI: ffff99b6[ 42.118707] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fdf632ff8f3 fac9bf70 RDI: ffff99b6fac9bf70 # [ 33.609916] RBP: ffff99b681[ 42.132894] RDX: 0000000000000016 RSI: 00007fdf631f2000 RDI: 0000000000000001 3c5a80 R08: 0000000000000000 R09: 0000000000000000 # [ 33.617[ 42.147079] RBP: 00007fdf631f2000 R08: 00007fdf631f1010 R09: 0000000000000000 [ 42.161264] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 884] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000[ 42.169237] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 00000d # [ 33.625856] R13: ffffac3d02357f10 R14: ffffac3d0235[ 42.183424] irq event stamp: 0 7f10 R15: ffff99b685810000 # [ 33.633827] FS: 00007efe214fc5[ 42.193044] hardirqs last enabled at (0): [<0000000000000000>] 0x0 80(0000) GS:ffff99b6fac80000(0000) knlGS:0000000000000000 # [ [ 42.206261] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 33.642867] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 #[ 42.221613] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 42.236965] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 33.649275] CR2: ffff99b6813c5a80 CR3: 0000000103d70001 CR4:[ 42.243964] ---[ end trace 51bf6f1fff159295 ]--- 00000000003706e0 # [ 33.657244] Call Trace: # [ 33.659973[ 42.255330] lkdtm: Negative detected: saturated ] ? execute_location+0x45/0x56 # [ 33.664464] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 # [ 33.675350] ? direct_entry.cold+0x2c/0x38 # [ 33.679923] ? full_proxy_write+0x53/0x80 # [ 33.684399] ? vfs_write+0xe7/0x3a0 # [ 33.688318] ? ksys_write+0x68/0xf0 # [ 33.698429] ? do_syscall_64+0x30/0x40 # [ 33.702614] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 33.714666] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 33.747306] CR2: ffff99b6813c5a80 # [ 33.751004] ---[ end trace 51bf6f1fff159286 ]--- # [ 33.756158] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 33.760535] Code: 89 ff e8 2e b5 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 20 fb 93 02 # [ 33.781521] RSP: 0018:ffffac3d0145fe60 EFLAGS: 00010286 # [ 33.787345] RAX: ffffffffb32de9f0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 33.795316] RDX: 0000000000000000 RSI: ffff99b6fac1bf70 RDI: ffffffffb3f9ae90 # [ 33.803286] RBP: ffffffffb43e5e78 R08: 0[ 42.386479] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE [ 42.398647] lkdtm: attempting bad refcount_dec_and_test() below zero [ 42.405754] ------------[ cut here ]------------ 000000000000001 R09: 0000000000000001 # [ 33.811256] R10: 000[ 42.410920] refcount_t: underflow; use-after-free. [ 42.422492] WARNING: CPU: 2 PID: 2256 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 [ 42.431931] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 42.458402] CPU: 2 PID: 2256 Comm: cat Tainted: G D W 5.10.147-cip18 #1 00000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ [ 42.467055] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 42.480074] RIP: 0010:refcount_warn_saturate+0xba/0x110 [ 42.485911] Code: 01 01 e8 c4 64 98 00 0f 0b c3 cc cc cc cc 80 3d 42 48 94 01 00 75 85 48 c7 c7 70 65 32 b4 c6 05 32 48 94 01 01 e8 a1 64 98 00 <0f> 0b c3 cc cc cc cc 80 3d 1d 48 94 01 00 0f 85 5e ff ff ff 48 c7 [ 42.506897] RSP: 0018:ffffac3d02bd7e40 EFLAGS: 00010286 [ 42.512733] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 [ 42.520704] RDX: ffff99b6fad2c660 RSI: ffff99b6fad1bf70 RDI: ffff99b6fad1bf70 [ 42.528677] RBP: ffffffffb438a770 R08: 0000000000000000 R09: 0000000000000000 [ 42.536648] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 42.544621] R13: ffffac3d02bd7f10 R14: ffffac3d02bd7f10 R15: ffff99b684e66000 [ 42.552595] FS: 00007fe56f803580(0000) GS:ffff99b6fad00000(0000) knlGS:0000000000000000 [ 42.561634] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.568052] CR2: 00007fe56f60c000 CR3: 00000001035e4001 CR4: 00000000003706e0 [ 42.576023] Call Trace: [ 42.578756] __refcount_sub_and_test.constprop.0+0x3c/0x50 [ 42.584916] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 [ 42.591166] direct_entry.cold+0x2c/0x38 [ 42.595547] full_proxy_write+0x53/0x80 [ 42.599855] vfs_write+0xe7/0x3a0 [ 42.603581] ksys_write+0x68/0xf0 [ 42.607308] do_syscall_64+0x30/0x40 [ 42.611325] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 42.616968] RIP: 0033:0x7fe56f7198f3 [ 42.620960] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 42.641943] RSP: 002b:00007fff5e77b5d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 42.650418] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fe56f7198f3 33.819227] R13: ffffac3d0145ff10 R14: ffffac3d0145ff10 R15: fff[ 42.658398] RDX: 000000000000001f RSI: 00007fe56f60c000 RDI: 0000000000000001 [ 42.672577] RBP: 00007fe56f60c000 R08: 00007fe56f60b010 R09: 0000000000000000 [ 42.680552] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 42.688524] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 42.696503] irq event stamp: 0 [ 42.699941] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 42.706944] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 42.716112] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 42.725249] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 42.732250] ---[ end trace 51bf6f1fff159296 ]--- f99b6841b4000 # [ 33.827197] FS: 00007efe214fc580(0000) GS:f[ 42.737431] lkdtm: Negative detected: saturated fff99b6fac80000(0000) knlGS:0000000000000000 # [ 33.836237] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 33.842653] CR2: ffff99b6813c5a80 CR3: 0000000103d70001 CR4: 00000000003706e0 # [ 33.850623] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 33.860535] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1703, name: cat # [ 33.868991] INFO: lockdep is turned off. # [ 33.873367] irq event stamp: 0 # [ 33.876773] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 33.883765] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 33.892893] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 33.902020] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 33.909019] CPU: 1 PID: 1703 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 33.917670] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 33.924474] Call Trace: # [ 33.927202] dump_stack+0x77/0x9b # [ 33.930903] ___might_sleep.cold+0xa6/0xb6 # [ 33.941688] exit_signals+0x1c/0x2e0 # [ 33.945[ 42.855224] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE 677] do_exit+0xd5/0xb00 # [ 33.949179] ? ksys_write+0x68/0x[ 42.868285] lkdtm: attempting bad refcount_sub_and_test() below zero f0 # [ 33.953072] rewind_stack_do_exit+0x17/0x20 # [ 33.9[ 42.881629] ------------[ cut here ]------------ 57742] RIP: 0033:0x7efe214128f3 # [ 33.967945] Code: 8b 15 a1[ 42.892992] refcount_t: underflow; use-after-free. 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 [ 42.904566] WARNING: CPU: 0 PID: 2291 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00[ 42.920213] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ [ 42.952851] CPU: 0 PID: 2291 Comm: cat Tainted: G D W 5.10.147-cip18 #1 33.988922] RSP: 002b:00007fff7e726dc8 EFLAGS: 00000246 ORIG_RAX[ 42.967698] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 : 0000000000000001 # [ 33.997379] RAX: ffffffffffffffda RBX: [ 42.980717] RIP: 0010:refcount_warn_saturate+0xba/0x110 000000000000000d RCX: 00007efe214128f3 # [ 34.005348] RDX: 00[ 42.992808] Code: 01 01 e8 c4 64 98 00 0f 0b c3 cc cc cc cc 80 3d 42 48 94 01 00 75 85 48 c7 c7 70 65 32 b4 c6 05 32 48 94 01 01 e8 a1 64 98 00 <0f> 0b c3 cc cc cc cc 80 3d 1d 48 94 01 00 0f 85 5e ff ff ff 48 c7 0000000000000d RSI: 00007efe21305000 RDI: 0000000000000001 # [ [ 43.019974] RSP: 0018:ffffac3d02c1fe40 EFLAGS: 00010286 34.013317] RBP: 00007efe21305000 R08: 00007efe21304010 R09: 00[ 43.032061] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 00000000000000 # [ 34.021285] R10: fffffffffffffbc5 R11: 0000[ 43.046215] RDX: ffff99b6fac2c660 RSI: ffff99b6fac1bf70 RDI: ffff99b6fac1bf70 000000000246 R12: 0000000000000001 # [ 34.029254] R13: 000000[ 43.060542] RBP: ffffffffb438a790 R08: 0000000000000000 R09: 0000000000000000 0000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_K[ 43.074615] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f MALLOC: saw 'call trace:': ok ok 32 selftests: lkdtm: EXEC_KMAL[ 43.088826] R13: ffffac3d02c1ff10 R14: ffffac3d02c1ff10 R15: ffff99b683368000 LOC.sh # selftests: lkdtm: EXEC_VMALLOC.sh # Killed # [ 34.[ 43.102991] FS: 00007f621b8cb580(0000) GS:ffff99b6fac00000(0000) knlGS:0000000000000000 119487] lkdtm: Performing direct entry EXEC_VMALLOC # [ 34.13[ 43.118242] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 0081] lkdtm: attempting ok execution at ffffffffb32dedc0 # [ [ 43.130868] CR2: 00007f621b6d4000 CR3: 00000001059e2003 CR4: 00000000003706f0 34.136627] lkdtm: attempting bad execution at ffffac3d00379000 [ 43.145084] Call Trace: # [ 34.149455] kernel tried to execute NX-protected page - exp[ 43.154035] __refcount_sub_and_test.constprop.0+0x3c/0x50 loit attempt? (uid: 0) # [ 34.157859] BUG: unable to handle p[ 43.166389] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b age fault for address: ffffac3d00379000 # [ 34.165528] #PF: s[ 43.178819] direct_entry.cold+0x2c/0x38 upervisor instruction fetch in kernel mode # [ 34.171845] #PF[ 43.189436] full_proxy_write+0x53/0x80 : error_code(0x0011) - permissions violation # [ 34.178067] P[ 43.199913] vfs_write+0xe7/0x3a0 GD 100000067 P4D 100000067 PUD 100211067 PMD 10099d067 PTE 80000[ 43.209835] ksys_write+0x68/0xf0 00105a07063 # [ 34.187108] Oops: 0011 [#8] SMP PTI # [ 34.[ 43.219745] do_syscall_64+0x30/0x40 190999] CPU: 3 PID: 1739 Comm: cat Tainted: G D W 5[ 43.229954] entry_SYSCALL_64_after_hwframe+0x61/0xc6 .10.147-cip18 #1 # [ 34.199641] Hardware name: Google Rammus/[ 43.241809] RIP: 0033:0x7f621b7e18f3 Rammus, BIOS 09/04/2020 # [ 34.206445] RIP: 0010:0xffffac3d0[ 43.252011] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 0379000 # [ 34.210814] Code: Unable to access opcode bytes at[ 43.279226] RSP: 002b:00007fff98ea3ee8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RIP 0xffffac3d00378fd6. # [ 34.218483] RSP: 0018:ffffac3d023[ 43.293892] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f621b7e18f3 e7e38 EFLAGS: 00010246 # [ 34.224313] RAX: 0000000000000033 R[ 43.308085] RDX: 000000000000001f RSI: 00007f621b6d4000 RDI: 0000000000000001 BX: 0000000000000001 RCX: 0000000000000000 # [ 34.232281] RDX[ 43.322288] RBP: 00007f621b6d4000 R08: 00007f621b6d3010 R09: 0000000000000000 : 0000000000000000 RSI: ffff99b6fad9bf70 RDI: ffff99b6fad9bf70 [ 43.336501] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 34.240250] RBP: ffffac3d00379000 R08: 0000000000000000 R09[ 43.350659] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 : 0000000000000000 # [ 34.248218] R10: 00000000ffffe000 R11: [ 43.364843] irq event stamp: 0 3fffffffffffffff R12: 000000000000000d # [ 34.256185] R13: ff[ 43.374494] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ffac3d023e7f10 R14: ffffac3d023e7f10 R15: ffff99b685a07000 # [ [ 43.387685] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 34.264152] FS: 00007f4705018580(0000) GS:ffff99b6fad80000(000[ 43.403039] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 0) knlGS:0000000000000000 # [ 34.273188] CS: 0010 DS: 0000 E[ 43.418415] softirqs last disabled at (0): [<0000000000000000>] 0x0 S: 0000 CR0: 0000000080050033 # [ 34.279605] CR2: ffffac3d003[ 43.431633] ---[ end trace 51bf6f1fff159297 ]--- 78fd6 CR3: 0000000104ed6001 CR4: 00000000003706e0 # [ 34.2875[ 43.443027] lkdtm: Negative detected: saturated 75] Call Trace: # [ 34.290302] ? execute_location+0x45/0x56 # [ 34.294777] ? lkdtm_EXEC_VMALLOC+0x20/0x30 # [ 34.299447] ? direct_entry.cold+0x2c/0x38 # [ 34.304019] ? full_proxy_write+0x53/0x80 # [ 34.308495] ? vfs_write+0xe7/0x3a0 # [ 34.312386] ? ksys_write+0x68/0xf0 # [ 34.316270] ? do_syscall_64+0x30/0x40 # [ 34.320452] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 34.326278] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 34.352733] CR2: ffffac3d00379000 # [ 34.362645] ---[ end trace 51bf6f1fff159287 ]--- # [ 34.367798] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 34.372175] Code: 89 ff e8 2e b5 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 20 fb 93 02 # [ 34.393159] RSP: 0018:ffffac3d0145fe60 EFLAGS:[ 43.559155] lkdtm: Performing direct entry REFCOUNT_INC_ZERO 00010286 # [ 34.398991] RAX: ffffffffb32de9f0 RBX: 000000000[ 43.566295] lkdtm: attempting safe refcount_inc_not_zero() from zero 0000001 RCX: 0000000000000000 # [ 34.406959] RDX: 00000000000[ 43.579599] lkdtm: Good: zero detected 00000 RSI: ffff99b6fac1bf70 RDI: ffffffffb3f9ae90 # [ 34.4149[ 43.589988] lkdtm: Correctly stayed at zero 27] RBP: ffffffffb43e5e78 R08: 0000000000000001 R09: 00000000000[ 43.600921] lkdtm: attempting bad refcount_inc() from zero 00001 # [ 34.422896] R10: 00000000ffffe000 R11: 3ffffffffffff[ 43.613248] ------------[ cut here ]------------ fff R12: 0000000000000004 # [ 34.430863] R13: ffffac3d0145ff1[ 43.624640] refcount_t: addition on 0; use-after-free. 0 R14: ffffac3d0145ff10 R15: ffff99b6841b4000 # [ 34.438833] [ 43.636581] WARNING: CPU: 0 PID: 2323 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 FS: 00007f4705018580(0000) GS:ffff99b6fad80000(0000) knlGS:0000[ 43.652263] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 000000000000 # [ 34.447861] CS: 0010 DS: 0000 ES: 0000 CR0: [ 43.684857] CPU: 0 PID: 2323 Comm: cat Tainted: G D W 5.10.147-cip18 #1 0000000080050033 # [ 34.454273] CR2: ffffac3d00378fd6 CR3: 00[ 43.699745] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 00000104ed6001 CR4: 00000000003706e0 # EXEC_VMALLOC: saw 'call [ 43.712753] RIP: 0010:refcount_warn_saturate+0x74/0x110 trace:': ok ok 33 selftests: lkdtm: EXEC_VMALLOC.sh # selftest[ 43.724813] Code: 01 01 e8 0a 65 98 00 0f 0b c3 cc cc cc cc 80 3d 89 48 94 01 00 75 cb 48 c7 c7 40 65 32 b4 c6 05 79 48 94 01 01 e8 e7 64 98 00 <0f> 0b c3 cc cc cc cc 80 3d 68 48 94 01 00 75 a8 48 c7 c7 18 65 32 s: lkdtm: EXEC_RODATA.sh # Killed # [ 34.543807] lkdtm: Perf[ 43.752009] RSP: 0018:ffffac3d02cd7e48 EFLAGS: 00010286 orming direct entry EXEC_RODATA # [ 34.555015] lkdtm: attempt[ 43.764075] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 ing ok execution at ffffffffb32dedc0 # [ 34.561543] lkdtm: at[ 43.778257] RDX: ffff99b6fac2c660 RSI: ffff99b6fac1bf70 RDI: ffff99b6fac1bf70 tempting bad execution at ffffffffb3f9b320 # [ 34.574387] ker[ 43.792453] RBP: ffffffffb438ab31 R08: 0000000000000000 R09: 0000000000000000 nel tried to execute NX-protected page - exploit attempt? (uid: [ 43.806641] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 0) # [ 34.582753] BUG: unable to handle page fault for addres[ 43.820843] R13: ffffac3d02cd7f10 R14: ffffac3d02cd7f10 R15: ffff99b6832d5000 s: ffffffffb3f9b320 # [ 34.596645] #PF: supervisor instructio[ 43.835046] FS: 00007f88c0afb580(0000) GS:ffff99b6fac00000(0000) knlGS:0000000000000000 n fetch in kernel mode # [ 34.602964] #PF: error_code(0x0011)[ 43.850327] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 - permissions violation # [ 34.609186] PGD 12629067 P4D 1262[ 43.862959] CR2: 00007f88c0904000 CR3: 00000001013c0006 CR4: 00000000003706f0 9067 PUD 1262a063 PMD 8000000011e000e1 # [ 34.616675] Oops: [ 43.877176] Call Trace: 0011 [#9] SMP PTI # [ 34.620558] CPU: 3 PID: 1775 Comm: cat T[ 43.886129] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 ainted: G D W 5.10.147-cip18 #1 # [ 34.629208] H[ 43.897328] direct_entry.cold+0x2c/0x38 ardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 34.6[ 43.907938] full_proxy_write+0x53/0x80 36015] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 # [ 34.6417[ 43.918450] vfs_write+0xe7/0x3a0 53] Code: ff ff f8 da 96 b3 ff ff ff ff 9a ac 38 b4 ff ff ff ff [ 43.928355] ksys_write+0x68/0xf0 3e c2 96 b3 ff ff ff ff 55 aa 55 aa 00 00 00 00 00 00 00 00 00 0[ 43.938290] do_syscall_64+0x30/0x40 0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 54 68 [ 43.948476] entry_SYSCALL_64_after_hwframe+0x61/0xc6 69 73 20 69 # [ 34.662730] RSP: 0018:ffffac3d02477e48 EFLAGS:[ 43.960340] RIP: 0033:0x7f88c0a118f3 00010246 # [ 34.668564] RAX: 0000000000000033 RBX: 000000000[ 43.970550] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 0000000 RCX: 0000000000000000 # [ 34.676536] RDX: 00000000000[ 43.997759] RSP: 002b:00007ffc84309e68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 00000 RSI: ffff99b6fad9bf70 RDI: ffff99b6fad9bf70 # [ 34.6845[ 44.012432] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f88c0a118f3 07] RBP: ffffffffb3f9b320 R08: 0000000000000000 R09: 00000000000[ 44.026630] RDX: 0000000000000012 RSI: 00007f88c0904000 RDI: 0000000000000001 00000 # [ 34.692478] R10: 00000000ffffe000 R11: 3ffffffffffff[ 44.040811] RBP: 00007f88c0904000 R08: 00007f88c0903010 R09: 0000000000000000 fff R12: 000000000000000c # [ 34.700447] R13: ffffac3d02477f1[ 44.055007] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 0 R14: ffffac3d02477f10 R15: ffff99b6827f3000 # [ 34.708425] [ 44.069193] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 FS: 00007fa8d4aa6580(0000) GS:ffff99b6fad80000(0000) knlGS:0000[ 44.083409] irq event stamp: 0 000000000000 # [ 34.717470] CS: 0010 DS: 0000 ES: 0000 CR0: [ 44.093019] hardirqs last enabled at (0): [<0000000000000000>] 0x0 0000000080050033 # [ 34.723885] CR2: ffffffffb3f9b320 CR3: 00[ 44.106245] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 00000106524003 CR4: 00000000003706e0 # [ 34.731855] Call Trac[ 44.121591] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 e: # [ 34.734583] ? execute_location+0x45/0x56 # [ 34.739[ 44.136957] softirqs last disabled at (0): [<0000000000000000>] 0x0 057] ? direct_entry.cold+0x2c/0x38 # [ 34.743622] ? full_pr[ 44.150170] ---[ end trace 51bf6f1fff159298 ]--- oxy_write+0x53/0x80 # [ 34.748098] ? vfs_write+0xe7/0x3a0 #[ 44.161544] lkdtm: Zero detected: saturated [ 34.751991] ? ksys_write+0x68/0xf0 # [ 34.755883] ? do_syscall_64+0x30/0x40 # [ 34.760067] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 34.765897] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 34.792353] CR2: ffffffffb3f9b320 # [ 34.802265] ---[ end trace 51bf6f1fff159288 ]--- # [ 34.807426] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 34.811804] Code: 89 ff e8 2e b5 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 20 fb 93 02 # [ 34.832778] RSP: 0018:ffffac3d0145fe60 EFLAGS: 00010286 # [ 34.838611] RAX: ffffffffb32de9f0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 34.846580] RDX: 0000000000000000 RSI: ffff99b6fac1bf70 RDI: ffffffffb3f9ae90 # [ 34.854550] RBP: ffffffffb43e5e78 R08: 0000000000000001 R09: 0000000000000001 # [ 34.862520] R10: 00000000ffffe000 R11: 3fffffffffff[ 44.280313] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO ffff R12: 0000000000000004 # [ 34.870489] R13: ffffac3d0145ff[ 44.290723] lkdtm: attempting safe refcount_add_not_zero() from zero 10 R14: ffffac3d0145ff10 R15: ffff99b6841b4000 # [ 34.878458][ 44.304039] lkdtm: Good: zero detected FS: 00007fa8d4aa6580(0000) GS:ffff99b6fad80000(0000) knlGS:000[ 44.314436] lkdtm: Correctly stayed at zero 0000000000000 # [ 34.887495] CS: 0010 DS: 0000 ES: 0000 CR0:[ 44.325300] lkdtm: attempting bad refcount_add() from zero 0000000080050033 # [ 34.893911] CR2: ffffffffb3f9b320 CR3: 0[ 44.337643] ------------[ cut here ]------------ 000000106524003 CR4: 00000000003706e0 # [ 34.901879] BUG: sle[ 44.349058] refcount_t: addition on 0; use-after-free. eping function called from invalid context at include/linux/perc[ 44.361045] WARNING: CPU: 0 PID: 2355 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 pu-rwsem.h:49 # [ 34.911790] in_atomic(): 0, irqs_disabled():[ 44.376674] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 1, non_block: 0, pid: 1775, name: cat # [ 34.920244] INFO: l[ 44.409338] CPU: 0 PID: 2355 Comm: cat Tainted: G D W 5.10.147-cip18 #1 ockdep is turned off. # [ 34.924620] irq event stamp: 0 # [ [ 44.424216] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 34.928027] hardirqs last enabled at (0): [<0000000000000000>][ 44.437235] RIP: 0010:refcount_warn_saturate+0x74/0x110 0x0 # [ 34.935018] hardirqs last disabled at (0): [ 0b c3 cc cc cc cc 80 3d 68 48 94 01 00 75 a8 48 c7 c7 18 65 32 b2b00cf0>] copy_process+0x640/0x1c80 # [ 34.944154] softirqs [ 44.476498] RSP: 0018:ffffac3d02d27e48 EFLAGS: 00010286 last enabled at (0): [] copy_process+0x640/0x[ 44.488586] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 1c80 # [ 34.953281] softirqs last disabled at (0): [<00000000[ 44.502749] RDX: ffff99b6fac2c660 RSI: ffff99b6fac1bf70 RDI: ffff99b6fac1bf70 00000000>] 0x0 # [ 34.960279] CPU: 3 PID: 1775 Comm: cat Tain[ 44.516999] RBP: ffffffffb438ab43 R08: 0000000000000000 R09: 0000000000000000 ted: G D W 5.10.147-cip18 #1 # [ 34.968920] Hard[ 44.531148] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 ware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 34.9757[ 44.545349] R13: ffffac3d02d27f10 R14: ffffac3d02d27f10 R15: ffff99b683dcc000 20] Call Trace: # [ 34.978448] dump_stack+0x77/0x9b # [ 3[ 44.559545] FS: 00007f4fb84d7580(0000) GS:ffff99b6fac00000(0000) knlGS:0000000000000000 4.982146] ___might_sleep.cold+0xa6/0xb6 # [ 34.986718] exit[ 44.574795] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 _signals+0x1c/0x2e0 # [ 34.990707] do_exit+0xd5/0xb00 # [ [ 44.587415] CR2: 00007f4fb82e0000 CR3: 0000000103160005 CR4: 00000000003706f0 34.994200] ? ksys_write+0x68/0xf0 # [ 34.998093] rewind_st[ 44.601614] Call Trace: ack_do_exit+0x17/0x20 # [ 35.002763] RIP: 0033:0x7fa8d49bc8f3[ 44.610568] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 # [ 35.006742] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 [ 44.621742] direct_entry.cold+0x2c/0x38 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 1[ 44.632329] full_proxy_write+0x53/0x80 4 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 [ 44.642835] vfs_write+0xe7/0x3a0 48 83 ec 28 48 89 54 24 18 # [ 35.027726] RSP: 002b:00007fffb[ 44.652735] ksys_write+0x68/0xf0 463bb58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 35.03[ 44.662674] do_syscall_64+0x30/0x40 6181] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fa8d[ 44.672859] entry_SYSCALL_64_after_hwframe+0x61/0xc6 49bc8f3 # [ 35.044151] RDX: 000000000000000c RSI: 00007fa8d48[ 44.684721] RIP: 0033:0x7f4fb83ed8f3 af000 RDI: 0000000000000001 # [ 35.052119] RBP: 00007fa8d48af[ 44.694927] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 000 R08: 00007fa8d48ae010 R09: 0000000000000000 # [ 35.060088[ 44.722139] RSP: 002b:00007ffcc65a9fd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 ] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000[ 44.736806] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f4fb83ed8f3 001 # [ 35.068056] R13: 0000000000000001 R14: 000000000002000[ 44.750990] RDX: 0000000000000012 RSI: 00007f4fb82e0000 RDI: 0000000000000001 0 R15: 0000000000020000 # EXEC_RODATA: saw 'call trace:': ok o[ 44.765182] RBP: 00007f4fb82e0000 R08: 00007f4fb82df010 R09: 0000000000000000 k 34 selftests: lkdtm: EXEC_RODATA.sh # selftests: lkdtm: EXEC_[ 44.779380] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 USERSPACE.sh # Killed # [ 35.159555] lkdtm: Performing direc[ 44.793564] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 t entry EXEC_USERSPACE # [ 35.169105] lkdtm: attempting ok ex[ 44.807765] irq event stamp: 0 ecution at ffffffffb32dedc0 # [ 35.181871] lkdtm: attempting [ 44.817373] hardirqs last enabled at (0): [<0000000000000000>] 0x0 bad execution at 00007f1c1e5f3000 # [ 35.194693] unable to ex[ 44.830599] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 ecute userspace code (SMEP?) (uid: 0) # [ 35.207300] BUG: una[ 44.845953] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 ble to handle page fault for address: 00007f1c1e5f3000 # [ 35[ 44.861316] softirqs last disabled at (0): [<0000000000000000>] 0x0 .214972] #PF: supervisor instruction fetch in kernel mode # [ [ 44.874525] ---[ end trace 51bf6f1fff159299 ]--- 35.221290] #PF: error_code(0x0011) - permissions violation # [[ 44.885905] lkdtm: Zero detected: saturated 35.227512] PGD 8000000103164067 P4D 8000000103164067 PUD 103c2d067 PMD 1032db067 PTE 10ad69067 # [ 35.237235] Oops: 0011 [#10] SMP PTI # [ 35.247435] CPU: 1 PID: 1811 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 35.256086] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 35.262890] RIP: 0010:0x7f1c1e5f3000 # [ 35.266878] Code: Unable to access opcode bytes at RIP 0x7f1c1e5f2fd6. # [ 35.274168] RSP: 0018:ffffac3d024f7e50 EFLAGS: 00010246 # [ 35.279993] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 # [ 35.287963] RDX: 0000000000000000 RSI: ffff99b6fac9bf70 RDI: ffff99b6fac9bf70 # [ 35.295932] RBP: 00007f1c1e5f3000 R08: 0000000000000000 R09: 0000000000000000 # [ 35.303901] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f # [ 35.311871] R13: ffffac3d024f7f10 R14: ffffac3d024f7f10 R15: ffff99b683c19000 # [ 35.319833] FS: 00007f1c1e5c4580(0000) GS:ffff99b6fac80000(0000) knlGS:0000000000000000 # [ 35.328870] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 35.335286] CR2: 00007f1c1e5f3000 CR3: 0000000103dc4003 CR4: 00000000003706e0 # [ 35.343256] Call Trace: # [ 35.345984] ? lkdtm_EXEC_U[ 45.009078] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED [ 45.021653] lkdtm: attempting bad refcount_inc() from saturated [ 45.028271] ------------[ cut here ]------------ [ 45.033473] refcount_t: saturated; leaking memory. [ 45.038853] WARNING: CPU: 3 PID: 2390 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 SERSPACE.cold+0x66/0xae # [ 35.351332] ? direct_entry.cold+0[ 45.048287] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 45.080922] CPU: 3 PID: 2390 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 45.089595] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 45.096421] RIP: 0010:refcount_warn_saturate+0x51/0x110 x2c/0x38 # [ 35.362119] ? full_proxy_write+0x53/0x80 # [ [ 45.102265] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d ad 48 94 01 00 75 ee 48 c7 c7 18 65 32 b4 c6 05 9d 48 94 01 01 e8 0a 65 98 00 <0f> 0b c3 cc cc cc cc 80 3d 89 48 94 01 00 75 cb 48 c7 c7 40 65 32 [ 45.129475] RSP: 0018:ffffac3d02db7e48 EFLAGS: 00010286 [ 45.135310] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 [ 45.143282] RDX: ffff99b6fadac660 RSI: ffff99b6fad9bf70 RDI: ffff99b6fad9bf70 [ 45.151256] RBP: ffffffffb438ab55 R08: 0000000000000000 R09: 0000000000000000 [ 45.159232] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 45.167233] R13: ffffac3d02db7f10 R14: ffffac3d02db7f10 R15: ffff99b6833a5000 [ 45.175205] FS: 00007f5138b62580(0000) GS:ffff99b6fad80000(0000) knlGS:0000000000000000 [ 45.184244] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.190660] CR2: 00007f513896b000 CR3: 00000001035da002 CR4: 00000000003706e0 [ 45.198639] Call Trace: [ 45.201422] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 35.366596] ? vfs_write+0xe7/0x3a0 # [ 35.376700] ? ksys_wri[ 45.206879] direct_entry.cold+0x2c/0x38 [ 45.217485] full_proxy_write+0x53/0x80 [ 45.221768] vfs_write+0xe7/0x3a0 [ 45.225494] ksys_write+0x68/0xf0 [ 45.229196] do_syscall_64+0x30/0x40 [ 45.233212] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 45.238855] RIP: 0033:0x7f5138a788f3 [ 45.242845] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 45.263828] RSP: 002b:00007ffe5963bfc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 45.272286] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f5138a788f3 [ 45.280257] RDX: 0000000000000017 RSI: 00007f513896b000 RDI: 0000000000000001 [ 45.288228] RBP: 00007f513896b000 R08: 00007f513896a010 R09: 0000000000000000 [ 45.296201] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 45.304174] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 45.312150] irq event stamp: 0 [ 45.315588] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 45.322589] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 45.331728] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 45.340867] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 45.347868] ---[ end trace 51bf6f1fff15929a ]--- [ 45.353023] lkdtm: Saturation detected: still saturated te+0x68/0xf0 # [ 35.380595] ? do_syscall_64+0x30/0x40 # [ 35.384779] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 35.396829] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 35.429475] CR2: 00007f1c1e5f3000 # [ 35.433172] ---[ end trace 51bf6f1fff159289 ]--- # [ 35.438327] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 35.442705] Code: 89 ff e8 2e b5 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 20 fb 93 02 # [ 35.463686] RSP: 0018:ffffac3d0145fe60 EFLAGS: 00010286 # [ 35.469521] RAX: ffffffffb32de9f0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 35.477484] RDX: 0000000000000000 RSI: ffff99b6fac1bf70 RDI: ffffffffb3f9ae90 # [ 35.485467] RBP: ffffffffb43e5e78 R08: 0000000000000001 R09: 0000000000000001 # [ 35.493437] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 35.501431] R13: ffffac3d0145ff10 R14: ffffac3d0145ff10 R1[ 45.470967] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED [ 45.483804] lkdtm: attempting bad refcount_dec() from saturated 5: ffff99b6841b4000 # [ 35.509416] FS: 00007f1c1e5c4580(0000[ 45.490430] ------------[ cut here ]------------ ) GS:ffff99b6fac80000(0000) knlGS:0000000000000000 # [ 35.518[ 45.501790] refcount_t: decrement hit 0; leaking memory. 469] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 35[ 45.513958] WARNING: CPU: 3 PID: 2425 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 .531098] CR2: 00007f1c1e5f3000 CR3: 0000000103dc4003 CR4: 000000[ 45.529581] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 00003706e0 # EXEC_USERSPACE: saw 'call trace:': ok ok 35 selft[ 45.562220] CPU: 3 PID: 2425 Comm: cat Tainted: G D W 5.10.147-cip18 #1 ests: lkdtm: EXEC_USERSPACE.sh # selftests: lkdtm: EXEC_NULL.sh[ 45.577088] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # Killed # [ 35.619283] lkdtm: Performing direct entry EXEC[ 45.590110] RIP: 0010:refcount_warn_saturate+0xfb/0x110 [ 45.602159] Code: c8 65 32 b4 c6 05 09 48 94 01 01 e8 7a 64 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 98 65 32 b4 c6 05 f0 47 94 01 01 e8 60 64 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b _NULL [ 45.623145] RSP: 0018:ffffac3d02e17e48 EFLAGS: 00010286 [ 45.629655] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 # [ 35.625440] lkdtm: attempting ok execution at ffffffffb32de[ 45.637631] RDX: ffff99b6fadac660 RSI: ffff99b6fad9bf70 RDI: ffff99b6fad9bf70 [ 45.651818] RBP: ffffffffb438ab6c R08: 0000000000000000 R09: 0000000000000000 dc0 # [ 35.638167] lkdtm: attempting bad execution at 0000000[ 45.659791] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 45.673978] R13: ffffac3d02e17f10 R14: ffffac3d02e17f10 R15: ffff99b684ff1000 000000000 # [ 35.651001] BUG: kernel NULL pointer dereference[ 45.681954] FS: 00007f0f794ca580(0000) GS:ffff99b6fad80000(0000) knlGS:0000000000000000 , address: 0000000000000000 # [ 35.664989] #PF: supervisor in[ 45.697208] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.709839] CR2: 00007f0f792d3000 CR3: 0000000104eca005 CR4: 00000000003706e0 struction fetch in kernel mode # [ 35.671308] #PF: error_code[ 45.717813] Call Trace: (0x0010) - not-present page [ 45.726754] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f # [ 35.677032] PGD 0 P4D 0 # [ 35.679856] Oops: 0010 [#11][ 45.735017] direct_entry.cold+0x2c/0x38 SMP PTI # [ 35.683844] CPU: 1 PID: 1847 Comm: cat Tainted: G[ 45.745615] full_proxy_write+0x53/0x80 D W 5.10.147-cip18 #1 # [ 35.692487] Hardware n[ 45.756114] vfs_write+0xe7/0x3a0 ame: Google Rammus/Rammus, BIOS 09/04/2020 # [ 35.699294] RI[ 45.766031] ksys_write+0x68/0xf0 [ 45.775952] do_syscall_64+0x30/0x40 [ 45.779951] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 45.785595] RIP: 0033:0x7f0f793e08f3 [ 45.789588] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 45.810573] RSP: 002b:00007fff6bace178 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 45.819031] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f0f793e08f3 [ 45.827004] RDX: 0000000000000017 RSI: 00007f0f792d3000 RDI: 0000000000000001 [ 45.834982] RBP: 00007f0f792d3000 R08: 00007f0f792d2010 R09: 0000000000000000 P: 0010:0x0 # [ 35.702213] Code: Unable to access opcode byte[ 45.842958] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 s at RIP 0xffffffffffffffd6. # [ 35.709891] RSP: 0018:ffffac3[ 45.857138] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 d0257fe48 EFLAGS: 00010246 # [ 35.715724] RAX: 00000000000000[ 45.871333] irq event stamp: 0 [ 45.880950] hardirqs last enabled at (0): [<0000000000000000>] 0x0 33 RBX: 0000000000000000 RCX: 0000000000000000 # [ 35.723692][ 45.887953] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 RDX: 0000000000000000 RSI: ffff99b6fac9bf70 RDI: ffff99b6fac9bf[ 45.903301] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 45.918651] softirqs last disabled at (0): [<0000000000000000>] 0x0 70 # [ 35.731661] RBP: 0000000000000000 R08: 0000000000000000[ 45.925653] ---[ end trace 51bf6f1fff15929b ]--- R09: 0000000000000000 # [ 35.739630] R10: 00000000ffffe000 R[ 45.937019] lkdtm: Saturation detected: still saturated 11: 3fffffffffffffff R12: 000000000000000a # [ 35.747598] R13: ffffac3d0257ff10 R14: ffffac3d0257ff10 R15: ffff99b685a1b000 # [ 35.755566] FS: 00007fc9a08b3580(0000) GS:ffff99b6fac80000(0000) knlGS:0000000000000000 # [ 35.764603] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 35.771019] CR2: ffffffffffffffd6 CR3: 0000000103cfa006 CR4: 00000000003706e0 # [ 35.778985] Call Trace: # [ 35.781713] execute_location+0x45/0x56 # [ 35.785995] direct_entry.cold+0x2c/0x38 # [ 35.796586] full_proxy_write+0x53/0x80 # [ 35.800869] vfs_write+0xe7/0x3a0 # [ 35.804567] ksys_write+0x68/0xf0 # [ 35.808265] do_syscall_64+0x30/0x40 # [ 35.812255] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 35.824108] RIP: 0033:0x7fc9a07c98f3 # [ 35.828086] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 35.849068] RSP: 002b:00007fffefc6fbc8 EFLAGS: 00000246 ORIG_RAX: 0000000[ 46.052426] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED [ 46.059400] lkdtm: attempting bad refcount_dec() from saturated [ 46.066016] ------------[ cut here ]------------ [ 46.071174] refcount_t: saturated; leaking memory. [ 46.076538] WARNING: CPU: 3 PID: 2460 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 [ 46.085978] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 000000001 # [ 35.857523] RAX: ffffffffffffffda RBX: 000000000[ 46.112436] CPU: 3 PID: 2460 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 46.127303] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 46.134113] RIP: 0010:refcount_warn_saturate+0x51/0x110 [ 46.139949] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d ad 48 94 01 00 75 ee 48 c7 c7 18 65 32 b4 c6 05 9d 48 94 01 01 e8 0a 65 98 00 <0f> 0b c3 cc cc cc cc 80 3d 89 48 94 01 00 75 cb 48 c7 c7 40 65 32 [ 46.160935] RSP: 0018:ffffac3d02eafe48 EFLAGS: 00010286 [ 46.166771] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 [ 46.174743] RDX: ffff99b6fadac660 RSI: ffff99b6fad9bf70 RDI: ffff99b6fad9bf70 [ 46.182717] RBP: ffffffffb438ab83 R08: 0000000000000000 R09: 0000000000000000 [ 46.190692] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 46.198664] R13: ffffac3d02eaff10 R14: ffffac3d02eaff10 R15: ffff99b685a44000 [ 46.206636] FS: 00007efcb2336580(0000) GS:ffff99b6fad80000(0000) knlGS:0000000000000000 [ 46.215677] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.222096] CR2: 00007efcb213f000 CR3: 0000000105a34003 CR4: 00000000003706e0 [ 46.230069] Call Trace: [ 46.232801] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 [ 46.238251] direct_entry.cold+0x2c/0x38 [ 46.242656] full_proxy_write+0x53/0x80 [ 46.246941] vfs_write+0xe7/0x3a0 [ 46.250681] ksys_write+0x68/0xf0 000000a RCX: 00007fc9a07c98f3 # [ 35.865493] RDX: 00000000000[ 46.254437] do_syscall_64+0x30/0x40 [ 46.264640] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 46.270283] RIP: 0033:0x7efcb224c8f3 [ 46.274275] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 46.295284] RSP: 002b:00007ffff0ac27e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 0000a RSI: 00007fc9a06bc000 RDI: 0000000000000001 # [ 35.8734[ 46.303745] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007efcb224c8f3 [ 46.317922] RDX: 0000000000000017 RSI: 00007efcb213f000 RDI: 0000000000000001 [ 46.325894] RBP: 00007efcb213f000 R08: 00007efcb213e010 R09: 0000000000000000 [ 46.333867] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 46.341840] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 46.349817] irq event stamp: 0 79] RBP: 00007fc9a06bc000 R08: 00007fc9a06bb010 R09: 00000000000[ 46.353250] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 46.366478] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 46.375617] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 46.384786] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 46.391785] ---[ end trace 51bf6f1fff15929c ]--- [ 46.396940] lkdtm: Saturation detected: still saturated 00000 # [ 35.881447] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 35.889427] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 35.897394] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 35.930031] CR2: 0000000000000000 # [ 35.933728] ---[ end trace 51bf6f1fff15928a ]--- # [ 35.938882] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 35.943250] Code: 89 ff e8 2e b5 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 20 fb 93 02 # [ 35.964222] RSP: 0018:ffffac3d0145fe60 EFLAGS: 00010286 # [ 35.970048] RAX: ffffffffb32de9f0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 35.978016] RDX: 0000000000000000 RSI: ffff99b6fac1bf70 RDI: ffffffffb3f9ae90 # [ 35.985985] RBP: ffffffffb43e5e78 R08: 0000000000000001 R09: 0000000000000001 # [ 35.993955] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 36.001924] R13: ffffac3d0145ff10 R14: ffffac3d0145ff10 R15: ffff99b6841b4000 # [ 36.009894] FS: 00007fc9a08b3580(0000) GS:ffff99b6fac80000(0000) knlGS:0000000000000000 # [ 36.018930] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 36.025345] CR2: ffffffffffffffd6 CR3: 0000000103cfa006 CR4: 00000000003706e0 # [ 36.033317] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 36.043220] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1847, name: cat # [ 36.051673] INFO: lockdep is turned off. # [ 36.056047] irq event stamp: 0 # [ 36.059452] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 36.066453] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 36.075588] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 36.084723] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 36.091721] CPU: 1 PID: 1847 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 36.100369] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 36.107171] Call Trace: # [ 36.109899] dump_stack+0x77/0x9b # [ 36.113597] ___might_sleep.cold+0xa6/0xb6 # [ 36.124380] exit_signals+0x1c/0x2e0 # [ 36.128369] do_exit+0xd5/0xb00 # [ 36.131872] ? ksys_write+0x68/0xf0 # [ 36.135757] rewind_stack_do_exit+0x17/0x20 # [ 36.140427] RIP: 0033:0x7fc9a07c98f3 # [ 36.150628] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 36.171611] RSP: 002b:00007fffefc6fbc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 36.180065] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fc9a07c98f3 # [ 36.188032] RDX: 000000000000000a RSI: 00007fc9a06bc000 RDI: 0000000000000001 # [ 36.196000] RBP: 00007fc9a06bc000 R08: 00007fc9a06bb010 R09: 0000000000000000 # [ 36.203969] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 36.211937] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_NULL: saw 'call trace:': ok ok 36 selftests: lkdtm: EXEC_NULL.sh # selftests: lkdtm: ACCESS_USERSPACE.sh # Killed # [ 36.309825] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 36.3193[ 46.751546] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED [ 46.764139] lkdtm: attempting bad refcount_inc_not_zero() from saturated [ 46.771629] ------------[ cut here ]------------ [ 46.776814] refcount_t: saturated; leaking memory. [ 46.782190] WARNING: CPU: 3 PID: 2492 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 84] lkdtm: attempting bad read at 00007fd3f81fb000 # [ 36.325[ 46.791624] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 46.824259] CPU: 3 PID: 2492 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 46.832936] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 46.839744] RIP: 0010:refcount_warn_saturate+0x97/0x110 [ 46.845580] Code: 01 01 e8 e7 64 98 00 0f 0b c3 cc cc cc cc 80 3d 68 48 94 01 00 75 a8 48 c7 c7 18 65 32 b4 c6 05 58 48 94 01 01 e8 c4 64 98 00 <0f> 0b c3 cc cc cc cc 80 3d 42 48 94 01 00 75 85 48 c7 c7 70 65 32 [ 46.866566] RSP: 0018:ffffac3d02f37e38 EFLAGS: 00010282 526] BUG: unable to handle page fault for address: 00007fd3f81fb[ 46.872428] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 [ 46.886619] RDX: ffff99b6fadac660 RSI: ffff99b6fad9bf70 RDI: ffff99b6fad9bf70 [ 46.894592] RBP: ffffffffb438a7b0 R08: 0000000000000000 R09: 0000000000000000 [ 46.902564] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 46.910537] R13: ffffac3d02f37f10 R14: ffffac3d02f37f10 R15: ffff99b6865ab000 [ 46.918508] FS: 00007fda1b50d580(0000) GS:ffff99b6fad80000(0000) knlGS:0000000000000000 [ 46.927550] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.933969] CR2: 00007fda1b316000 CR3: 0000000106440004 CR4: 00000000003706e0 [ 46.941942] Call Trace: [ 46.944675] __refcount_add_not_zero.constprop.0+0x2a/0x35 [ 46.950837] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 [ 46.957192] direct_entry.cold+0x2c/0x38 [ 46.961603] full_proxy_write+0x53/0x80 [ 46.965913] vfs_write+0xe7/0x3a0 [ 46.969638] ksys_write+0x68/0xf0 [ 46.973364] do_syscall_64+0x30/0x40 [ 46.977379] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 46.983022] RIP: 0033:0x7fda1b4238f3 [ 46.987012] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 47.007999] RSP: 002b:00007ffcb3459498 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 47.016476] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fda1b4238f3 [ 47.024447] RDX: 0000000000000020 RSI: 00007fda1b316000 RDI: 0000000000000001 [ 47.032481] RBP: 00007fda1b316000 R08: 00007fda1b315010 R09: 0000000000000000 [ 47.040455] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 000 # [ 36.339428] #PF: supervisor read access in kernel mode[ 47.048432] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 47.062625] irq event stamp: 0 # [ 36.345165] #PF: error_code(0x0001) - permissions violati[ 47.066063] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 47.079280] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 47.088471] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 47.097608] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 47.104611] ---[ end trace 51bf6f1fff15929d ]--- [ 47.109766] lkdtm: Saturation detected: still saturated on # [ 36.351377] PGD 8000000104efe067 P4D 8000000104efe067 PUD 104e66067 PMD 10271b067 PTE 115a03067 # [ 36.361098] Oops: 0001 [#12] SMP PTI # [ 36.365079] CPU: 3 PID: 1882 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 36.373727] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 36.380534] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 # [ 36.386753] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 b8 b9 38 b4 e8 09 9a fd ff 48 c7 c7 e0 b9 38 b4 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 f0 99 fd ff 48 89 ee 48 c7 c7 08 ba 38 # [ 36.407733] RSP: 0018:ffffac3d0261fe48 EFLAGS: 00010246 # [ 36.413566] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 # [ 36.421535] RDX: 0000000000000000 RSI: ffff99b6fad9bf70 RDI: ffffffffb438b9e0 # [ 36.429505] RBP: 00007fd3f81fb000 R08: 0000000000000000 R09: 0000000000000000 # [ 36.437478] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 # [ 36.445448] R13: ffffac3d0261ff10 R14: ffffac3d0261ff10 R15: ffff99b685a1b000 # [ 36.4[ 47.217221] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED [ 47.228974] lkdtm: attempting bad refcount_add_not_zero() from saturated [ 47.236516] ------------[ cut here ]------------ 53432] FS: 00007fd3f81cc580(0000) GS:ffff99b6fad80000(0000) knl[ 47.241682] refcount_t: saturated; leaking memory. [ 47.253269] WARNING: CPU: 3 PID: 2524 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 GS:0000000000000000 # [ 36.462483] CS: 0010 DS: 0000 ES: 000[ 47.262706] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 47.295337] CPU: 3 PID: 2524 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 47.304022] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 47.310855] RIP: 0010:refcount_warn_saturate+0x97/0x110 [ 47.316692] Code: 01 01 e8 e7 64 98 00 0f 0b c3 cc cc cc cc 80 3d 68 48 94 01 00 75 a8 48 c7 c7 18 65 32 b4 c6 05 58 48 94 01 01 e8 c4 64 98 00 <0f> 0b c3 cc cc cc cc 80 3d 42 48 94 01 00 75 85 48 c7 c7 70 65 32 [ 47.337678] RSP: 0018:ffffac3d02fbfe38 EFLAGS: 00010282 [ 47.343538] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 0 CR0: 0000000080050033 # [ 36.468898] CR2: 00007fd3f81fb000 [ 47.351520] RDX: ffff99b6fadac660 RSI: ffff99b6fad9bf70 RDI: ffff99b6fad9bf70 [ 47.365700] RBP: ffffffffb438a7d0 R08: 0000000000000000 R09: 0000000000000000 [ 47.373672] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 47.381644] R13: ffffac3d02fbff10 R14: ffffac3d02fbff10 R15: ffff99b68326a000 [ 47.389616] FS: 00007f4fb1bf9580(0000) GS:ffff99b6fad80000(0000) knlGS:0000000000000000 [ 47.398657] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.405076] CR2: 00007f4fb1a02000 CR3: 0000000105bda005 CR4: 00000000003706e0 [ 47.413047] Call Trace: CR3: 0000000106524003 CR4: 00000000003706e0 # [ 36.476868] Ca[ 47.415781] __refcount_add_not_zero.constprop.0+0x2a/0x35 [ 47.428121] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 [ 47.434444] direct_entry.cold+0x2c/0x38 [ 47.438824] full_proxy_write+0x53/0x80 [ 47.443132] vfs_write+0xe7/0x3a0 [ 47.446857] ksys_write+0x68/0xf0 [ 47.450560] do_syscall_64+0x30/0x40 [ 47.454576] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 47.460217] RIP: 0033:0x7f4fb1b0f8f3 [ 47.464208] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 47.485195] RSP: 002b:00007ffea8e63458 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 47.493653] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f4fb1b0f8f3 [ 47.501626] RDX: 0000000000000020 RSI: 00007f4fb1a02000 RDI: 0000000000000001 [ 47.509596] RBP: 00007f4fb1a02000 R08: 00007f4fb1a01010 R09: 0000000000000000 [ 47.517568] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 47.525540] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 47.533518] irq event stamp: 0 [ 47.536956] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 47.543957] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 47.553095] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 47.562232] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 47.569234] ---[ end trace 51bf6f1fff15929e ]--- [ 47.574390] lkdtm: Saturation detected: still saturated ll Trace: # [ 36.479596] direct_entry.cold+0x2c/0x38 # [ 36.483974] full_proxy_write+0x53/0x80 # [ 36.488254] vfs_write+0xe7/0x3a0 # [ 36.491951] ksys_write+0x68/0xf0 # [ 36.495640] do_syscall_64+0x30/0x40 # [ 36.499620] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 36.505259] RIP: 0033:0x7fd3f80e28f3 # [ 36.509237] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 36.530216] RSP: 002b:00007ffd1c7b8528 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 36.538672] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007fd3f80e28f3 # [ 36.546642] RDX: 0000000000000011 RSI: 00007fd3f7fd5000 RDI: 0000000000000001 # [ 36.554611] RBP: 00007fd3f7fd5000 R08: 00007fd3f7fd4010 R09: 0000000000000000 # [ 36.562580] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 36.570547] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 36.578521] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 36.604977] CR2: 00007fd3f81fb000 # [ 36.614888] ---[ end trace 51bf6f1fff15928b ]--- # [ 36.620040] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 36.624425] Code: 89 ff e8 2e b5 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 20 fb 93 02 # [ 36.645424] RSP: 0018:ffffac3d0145fe60 EFLAGS: 00010286 # [ 36.651257] RAX: ffffffffb32de9f0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 36.659225] RDX: 0000000000000000 RSI: ffff99b6fac1bf70 RDI: ffffffffb3f9ae90 # [ 36.667193] RBP: ffffffffb43e5e78 R08: 0000000000000001 R09: 0000000000000001 # [ 36.675162] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 36.683130] R13: ffffac3d0145ff10 R14: ffffac3d0145ff10 R15: ffff99b6841b4000 # [ 36.691098] FS: 00007fd3f81cc580(0000) GS:ffff99b6fad80000(0000) knlGS:0000000000000000 # [ 36.700136] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 36.706552] CR2: 00007fd3f81fb000 CR3: 0000000106524003 CR4: 00000000003706e0 # ACCESS_USERSPACE: saw 'call trace:': ok ok 37 selftests: lkdtm: ACCESS_USERSPACE.sh # selftests: lkdtm: ACCESS_NULL.sh # Killed # [ 36.801745] lkdtm: Performing direct entry ACCESS_NULL # [ 36.813527] lkdtm: attempting bad read at 0000000000000000 # [ 36.825894] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 36.839858] #PF: supervisor read access in kernel mode # [ 36.845594] #PF: error_code(0x0000) - not-present page # [ 36.851329] PGD 0 P4D 0 # [ 36.854152] Oops: 0000 [#13] SMP PTI # [ 36.858140] CPU: 1 PID: 1917 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 36.866780] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 36.873585] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 # [ 36.878836] Code: ad 99 fd ff be 00 10 00 00 48 89 ef e8 cd a9 39 ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 b8 b9 38 b4 e8 87 99 fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 e0 b9 38 b4 48 01 # [ 36.906028] RSP: 0018:ffffac3d0268fe58 EFLAGS: 00010246 # [ 36.911861] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 # [ 36.919830] RDX: 0000000000000000 RSI: ffff99b6fac9bf70 RDI: ffff99b6fac9bf70 # [ 36.927797] RBP: ffffffffb438aaa9 R08: 0000000000000000 R09: 0000000000000000 # [ 36.935766] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 36.943732] R13: ffffac3d0268ff10 R14: ffffac3d0268ff10 R15: ffff99b6859bd000 # [ 36.951701] FS: 00007f7704065580(0000) GS:ffff99b6fac80000(0000) knlGS:0000000000000000 # [ 36.960729] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 36.967143] CR2: 0000000000000000 CR3: 00000001031ca005 CR4: 00000000003706e0 # [ 36.975112] Call Trace: # [ 36.977839] direct_entry.cold+0x2c/0x38 # [ 36.982219] full_proxy_write+0x53/0x80 # [ 36.992709] vfs_write+0xe7/0x3a0 # [ 36.996429] ksys_write+0x68/0xf0 # [ 37.006335] do_syscall_64+0x30/0x40 # [ 37.010325] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 37.015955] RIP: 0033:0x7f7703f7b8f3 # [ 37.019942] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 37.040923] RSP: 002b:00007ffc599dd9b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 37.049368] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f7703f7b8f3 # [ 37.057336] RDX: 000000000000000c RSI: 00007f7703e6e000 RDI: 0000000000000001 # [ 37.065303] RBP: 00007f7703e6e000 R08: 00007f7703e6d010 R09: 0000000000000000 # [ 37.073272] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 37.081241] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 37.089214] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 37.121851] CR2: 0000000000000000 # [ 37.125539] ---[ end trace 51bf6f1fff15928c ]--- # [ 37.130692] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 37.135061] Code: 89 ff e8 2e b5 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 20 fb 93 02 # [ 37.156033] RSP: 0018:ffffac3d0145fe60 EFLAGS: 00010286 # [ 37.161857] RAX: ffffffffb32de9f0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 37.169826] RDX: 0000000000000000 RSI: ffff99b6fac1bf70 RDI: ffffffffb3f9ae90 # [ 37.177794][ 48.177728] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED RBP: ffffffffb43e5e78 R08: 0000000000000001 R09: 00000000000000[ 48.191316] lkdtm: attempting bad refcount_dec_and_test() from saturated 01 # [ 37.185763] R10: 00000000ffffe000 R11: 3fffffffffffffff[ 48.205016] ------------[ cut here ]------------ R12: 0000000000000004 # [ 37.193731] R13: ffffac3d0145ff10 R[ 48.216383] refcount_t: underflow; use-after-free. 14: ffffac3d0145ff10 R15: ffff99b6841b4000 # [ 37.201699] FS:[ 48.227958] WARNING: CPU: 0 PID: 2559 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 00007f7704065580(0000) GS:ffff99b6fac80000(0000) knlGS:0000000[ 48.243606] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 000000000 # [ 37.210736] CS: 0010 DS: 0000 ES: 0000 CR0: 000[ 48.276270] CPU: 0 PID: 2559 Comm: cat Tainted: G D W 5.10.147-cip18 #1 0000080050033 # [ 37.217151] CR2: 0000000000000000 CR3: 00000[ 48.291161] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 001031ca005 CR4: 00000000003706e0 # ACCESS_NULL: saw 'call trac[ 48.304209] RIP: 0010:refcount_warn_saturate+0xba/0x110 e:': ok ok 38 selftests: lkdtm: ACCESS_NULL.sh # selftests: lk[ 48.316258] Code: 01 01 e8 c4 64 98 00 0f 0b c3 cc cc cc cc 80 3d 42 48 94 01 00 75 85 48 c7 c7 70 65 32 b4 c6 05 32 48 94 01 01 e8 a1 64 98 00 <0f> 0b c3 cc cc cc cc 80 3d 1d 48 94 01 00 0f 85 5e ff ff ff 48 c7 dtm: WRITE_RO.sh # Killed # [ 37.309560] lkdtm: Performing d[ 48.343449] RSP: 0018:ffffac3d0304fe40 EFLAGS: 00010286 irect entry WRITE_RO # [ 37.317583] lkdtm: attempting bad rod[ 48.355483] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 ata write at ffffffffb3f9b310 # [ 37.330711] BUG: unable to h[ 48.369672] RDX: ffff99b6fac2c660 RSI: ffff99b6fac1bf70 RDI: ffff99b6fac1bf70 andle page fault for address: ffffffffb3f9b310 # [ 37.344598][ 48.383901] RBP: ffffffffb438a7f0 R08: 0000000000000000 R09: 0000000000000000 #PF: supervisor write access in kernel mode # [ 37.350430] #[ 48.398076] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 PF: error_code(0x0003) - permissions violation # [ 37.356651][ 48.412296] R13: ffffac3d0304ff10 R14: ffffac3d0304ff10 R15: ffff99b6841f7000 PGD 12629067 P4D 12629067 PUD 1262a063 PMD 8000000011e000e1 #[ 48.426508] FS: 00007f3a82c1a580(0000) GS:ffff99b6fac00000(0000) knlGS:0000000000000000 [ 37.364139] Oops: 0003 [#14] SMP PTI # [ 37.374338] CPU: [ 48.441770] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 1 PID: 1952 Comm: cat Tainted: G D W 5.10.147-cip18[ 48.454390] CR2: 00007f3a82a23000 CR3: 00000001027f8002 CR4: 00000000003706f0 #1 # [ 37.382984] Hardware name: Google Rammus/Rammus, BIOS [ 48.468627] Call Trace: 09/04/2020 # [ 37.389790] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a[ 48.477610] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 37.394749] Code: 00 48 c7 c7 98 b8 38 b4 48 c7 c6 10 b3 [ 48.489930] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 f9 b3 e8 31 9c fd ff 48 8b 05 87 ed 62 00 ba 34 12 cd ab 48 c7 c[ 48.502519] direct_entry.cold+0x2c/0x38 7 c8 b8 38 b4 48 31 d0 <48> 89 05 71 ed 62 00 e9 0f 9c fd ff 0f [ 48.513088] full_proxy_write+0x53/0x80 1f 44 00 00 48 8b 05 80 bd # [ 37.421940] RSP: 0018:ffffac3d0[ 48.523599] vfs_write+0xe7/0x3a0 2727e60 EFLAGS: 00010202 # [ 37.427771] RAX: 000000000198b861[ 48.533513] ksys_write+0x68/0xf0 RBX: 0000000000000028 RCX: 0000000000000000 # [ 37.435738] R[ 48.543436] do_syscall_64+0x30/0x40 DX: 00000000abcd1234 RSI: ffff99b6fac9bf70 RDI: ffffffffb438b8c8[ 48.553621] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 37.443705] RBP: ffffffffb438aab5 R08: 0000000000000000 R[ 48.565502] RIP: 0033:0x7f3a82b308f3 09: 0000000000000000 # [ 37.451672] R10: 00000000ffffe000 R11[ 48.575688] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 : 3fffffffffffffff R12: 0000000000000009 # [ 37.459639] R13: [ 48.602937] RSP: 002b:00007ffe3c826a88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 ffffac3d02727f10 R14: ffffac3d02727f10 R15: ffff99b6840a5000 # [ 48.617583] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f3a82b308f3 [ 37.467607] FS: 00007f0eea007580(0000) GS:ffff99b6fac80000(0[ 48.631783] RDX: 0000000000000020 RSI: 00007f3a82a23000 RDI: 0000000000000001 000) knlGS:0000000000000000 # [ 37.476643] CS: 0010 DS: 0000[ 48.645958] RBP: 00007f3a82a23000 R08: 00007f3a82a22010 R09: 0000000000000000 ES: 0000 CR0: 0000000080050033 # [ 37.483058] CR2: ffffffffb[ 48.660163] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 3f9b310 CR3: 0000000103dc6005 CR4: 00000000003706e0 # [ 37.49[ 48.674335] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 1025] Call Trace: # [ 37.493753] direct_entry.cold+0x2c/0x38[ 48.688524] irq event stamp: 0 # [ 37.498130] full_proxy_write+0x53/0x80 # [ 37.502428][ 48.698149] hardirqs last enabled at (0): [<0000000000000000>] 0x0 vfs_write+0xe7/0x3a0 # [ 37.512333] ksys_write+0x68/0xf0 [ 48.711384] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 37.516031] do_syscall_64+0x30/0x40 # [ 37.520021] ent[ 48.726745] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 ry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 37.531872] RIP: 003[ 48.742137] softirqs last disabled at (0): [<0000000000000000>] 0x0 3:0x7f0ee9f1d8f3 # [ 37.535860] Code: 8b 15 a1 25 0e 00 f7 d8[ 48.755343] ---[ end trace 51bf6f1fff15929f ]--- 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 [ 48.766721] lkdtm: Saturation detected: still saturated 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 37.556838] RSP: 002b:00007fffa80be0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 37.565292] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f0ee9f1d8f3 # [ 37.573261] RDX: 0000000000000009 RSI: 00007f0ee9e10000 RDI: 0000000000000001 # [ 37.581227] RBP: 00007f0ee9e10000 R08: 00007f0ee9e0f010 R09: 0000000000000000 # [ 37.589194] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 37.597160] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 37.605131] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 37.637759] CR2: ffffffffb3f9b310 # [ 37.641455] ---[ end trace 51bf6f1fff15928d ]--- # [ 37.646610] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 37.650985] Code: 89 ff e8 2e b5 a3 ff 48 c7 c0 ea[ 48.882380] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED [ 48.892088] lkdtm: attempting bad refcount_sub_and_test() from saturated [ 48.899609] ------------[ cut here ]------------ [ 48.904800] refcount_t: underflow; use-after-free. [ 48.910182] WARNING: CPU: 3 PID: 2594 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 [ 48.919615] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 48.952249] CPU: 3 PID: 2594 Comm: cat Tainted: G D W 5.10.147-cip18 #1 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00[ 48.960926] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 48.973946] RIP: 0010:refcount_warn_saturate+0xba/0x110 [ 48.979813] Code: 01 01 e8 c4 64 98 00 0f 0b c3 cc cc cc cc 80 3d 42 48 94 01 00 75 85 48 c7 c7 70 65 32 b4 c6 05 32 48 94 01 01 e8 a1 64 98 00 <0f> 0b c3 cc cc cc cc 80 3d 1d 48 94 01 00 0f 85 5e ff ff ff 48 c7 [ 49.000799] RSP: 0018:ffffac3d030d7e40 EFLAGS: 00010286 [ 49.006683] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 0f 1f 44 00 00 83 05 20 fb 93 02 # [ 37.671964] RSP: 0018:ff[ 49.014670] RDX: ffff99b6fadac660 RSI: ffff99b6fad9bf70 RDI: ffff99b6fad9bf70 [ 49.028845] RBP: ffffffffb438a810 R08: 0000000000000000 R09: 0000000000000000 [ 49.036819] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 49.044789] R13: ffffac3d030d7f10 R14: ffffac3d030d7f10 R15: ffff99b6827fa000 [ 49.052764] FS: 00007f2590a87580(0000) GS:ffff99b6fad80000(0000) knlGS:0000000000000000 [ 49.061804] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.068225] CR2: 00007f2590890000 CR3: 0000000104e0e003 CR4: 00000000003706e0 [ 49.076197] Call Trace: [ 49.078930] __refcount_sub_and_test.constprop.0+0x3c/0x50 [ 49.085091] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 [ 49.091447] direct_entry.cold+0x2c/0x38 [ 49.095836] full_proxy_write+0x53/0x80 [ 49.100152] vfs_write+0xe7/0x3a0 [ 49.103887] ksys_write+0x68/0xf0 [ 49.107619] do_syscall_64+0x30/0x40 [ 49.111645] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 49.117317] RIP: 0033:0x7f259099d8f3 [ 49.121310] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 49.142292] RSP: 002b:00007fffc6ebf5c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 49.150754] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f259099d8f3 [ 49.158728] RDX: 0000000000000020 RSI: 00007f2590890000 RDI: 0000000000000001 [ 49.166701] RBP: 00007f2590890000 R08: 00007f259088f010 R09: 0000000000000000 [ 49.174675] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 49.182649] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 49.190628] irq event stamp: 0 [ 49.194066] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 49.201068] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 49.210210] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 49.219348] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 49.226352] ---[ end trace 51bf6f1fff1592a0 ]--- [ 49.231509] lkdtm: Saturation detected: still saturated ffac3d0145fe60 EFLAGS: 00010286 # [ 37.677795] RAX: ffffffffb32de9f0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 37.685762] RDX: 0000000000000000 RSI: ffff99b6fac1bf70 RDI: ffffffffb3f9ae90 # [ 37.693730] RBP: ffffffffb43e5e78 R08: 0000000000000001 R09: 0000000000000001 # [ 37.701696] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 37.709666] R13: ffffac3d0145ff10 R14: ffffac3d0145ff10 R15: ffff99b6841b4000 # [ 37.717634] FS: 00007f0eea007580(0000) GS:ffff99b6fac80000(0000) knlGS:0000000000000000 # [ 37.726672] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 37.733078] CR2: ffffffffb3f9b310 CR3: 0000000103dc6005 CR4: 00000000003706e0 # [ 37.741046] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 37.750957] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1952, name: cat # [ 37.759421] INFO: lockdep is turned off. # [ 37.763800] irq event stamp: 0 # [ 37.767204] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 37.774202] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 37.783336] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 37.792487] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 37.799485] CPU: 1 PID: 1952 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 37.808132] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 37.814935] Call Trace: # [ 37.817663] dump_stack+0x77/0x9b # [ 37.821364] ___might_sleep.cold+0xa6/0xb6 # [ 37.825935] exit_signals+0x1c/0x2e0 # [ 37.829915] do_exit+0xd5/0xb00 # [ 37.833427] ? ksys_write+0x68/0xf0 # [ 37.837321] rewind_stack_do_exit+0x17/0x20 # [ 37.841990] RIP: 0033:0x7f0ee9f1d8f3 # [ 37.845976] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 37.866954] RSP: 002b:00007fffa80be0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 37.875429] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f0ee9f1d8f3 # [ 37.883398] RDX: 0000000000000009 RSI: 00007f0ee9e10000 RDI: 0000000000000001 # [ 37.891390] RBP: 00007f0ee9e10000 R08: 00007f0ee9e0f010 R09: 0000000000000000 # [ 37.899358] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 37.907326] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # WRITE_RO: saw 'call trace:': ok ok 39 selftests: lkdtm: WRITE_RO.sh # selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # Killed # [ 38.017178] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT # [ 38.027477] lkdtm: attempting bad ro_after_init write at ffffffffb4408330 # [ 38.035099] BUG: unable to handle page fault for address: ffffffffb4408330 # [ 38.042808] #PF: supervisor write access in kernel mode # [ 38.048644] #PF: error_code(0x0003) - permissions violation # [ 38.054864] PGD 12629067 P4D 12629067 PUD 1262a063 PMD 1028d8063 PTE 8000000012408061 # [ 38.063612] Oops: 0003 [#15] SMP PTI # [ 38.067600] CPU: 3 PID: 1987 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 38.076249] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 38.083054] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a # [ 38.089079] Code: b8 38 b4 e9 e3 9b fd ff 48 c7 c7 20 b9 38 b4 e8 d7 9b fd ff 48 8b 05 4d bd a9 00 ba 34 12 cd ab 48 c7 c7 c8 b8 38 b4 48 31 d0 <48> 89 05 37 bd a9 00 e9 b5 9b fd ff 0f 1f 44 00 00 41 54 48 c7 c7 # [ 38.110060] RSP: 0018:ffffac3d02777e60 EFLAGS: 00010202 # [ 38.115893] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 # [ 38.123861] RDX: 00000000abcd1234 RSI: ffff99b6fad9bf70 RDI: ffffffffb438b8c8 # [ 38.131828] RBP: ffffffffb438aabe R08: 0000000000000000 R09: 0000000000000000 # [ 38.139796] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 # [ 38.147763] R13: ffffac3d02777f10 R14: ffffac3d02777f10 R15: ffff99b683c00000 # [ 38.155732] FS: 00007fbca8a95580(0000) GS:ffff99b6fad80000(0000) k[ 49.644938] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO nlGS:0000000000000000 # [ 38.164761] CS: 0010 DS: 0000 ES: 0[ 49.654572] lkdtm: attempting good copy_to_user of correct size 000 CR0: 0000000080050033 # [ 38.171175] CR2: ffffffffb440833[ 49.667439] lkdtm: attempting bad copy_to_user of too large size 0 CR3: 0000000104e66002 CR4: 00000000003706e0 # [ 38.179142] Call Trace: # [ 38.181869] direct_entry.cold+0x2c/0x38 # [ 38.186247] full_proxy_write+0x53/0x80 # [ 38.190527] vfs_write+0xe7/0x3a0 # [ 38.194225] ksys_write+0x68/0xf0 # [ 38.197924] do_syscall_64+0x30/0x40 # [ 38.201912] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 38.207552] RIP: 0033:0x7fbca89ab8f3 # [ 38.211541] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 38.232512] RSP: 002b:00007ffce7b7ab68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 38.240958] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007fbca89ab8f3 # [ 38.248926] RDX: 0000000000000014 RSI: 00007fbca889e000 RDI: 0000000000000001 # [ 38.256893] RBP: 00007fbca889e000 R08: 00007fbca889d010 R09: 0000000000000000 # [ 38.264861] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 000[ 49.778588] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM [ 49.786691] lkdtm: attempting good copy_from_user of correct size [ 49.793532] lkdtm: attempting bad copy_from_user of too large size 0000000000001 # [ 38.272830] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 38.280803] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 38.307256] CR2: ffffffffb4408330 # [ 38.317165] ---[ end trace 51bf6f1fff15928e ]--- # [ 38.322319] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 38.326694] Code: 89 ff e8 2e b5 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 20 fb 93 02 # [ 38.347675] RSP: 0018:ffffac3d0145fe60 EFLAGS: 00010286 # [ 38.353506] RAX: ffffffffb32de9f0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 38.361481] RDX: 0000000000000000 RSI: ffff99b6fac1bf70 RDI: ffffffffb3f9ae90 # [ 38.369450] RBP: ffffffffb43e5e78 R08: 0000000000000001 [ 49.896760] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO [ 49.907168] lkdtm: attempting good copy_to_user inside whitelist R09: 0000000000000001 # [ 38.377428] R10: 00000000ffffe000 R1[ 49.913891] lkdtm: attempting bad copy_to_user outside whitelist 1: 3fffffffffffffff R12: 0000000000000004 # [ 38.385397] R13: ffffac3d0145ff10 R14: ffffac3d0145ff10 R15: ffff99b6841b4000 # [ 38.393366] FS: 00007fbca8a95580(0000) GS:ffff99b6fad80000(0000) knlGS:0000000000000000 # [ 38.402394] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 38.408801] CR2: ffffffffb4408330 CR3: 0000000104e66002 CR4: 00000000003706e0 # WRITE_RO_AFTER_INIT: saw 'call trace:': ok ok 40 selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # selftests: lkdtm: WRITE_KERN.sh # Killed # [ 38.508514] lkdtm: Performing direct entry WRITE_KERN # [ 38.515676] lkdtm: attempting bad 6870851 byte write at ffffffffb396c503 # [ 38.523170] BUG: unable to handle page fault for address: ffffffffb396c503 # [ 38.530881] #PF: supervisor write access in kernel mode # [ 38.536714] #PF: error_code(0x0003) - permissions violation # [ 38.542935] PGD 12629067 P4D 12629067 PUD 1262a063 PMD 118000e1 # [ 38.549643] Oops: 0003 [#16] SMP PTI # [ 38.553631] CPU: 3 PID: 2022 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 38.562278] Hardw[ 50.026322] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM are name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 38.56908[ 50.039909] lkdtm: attempting good copy_from_user inside whitelist 6] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e # [ 38.574239] Code: [ 50.053050] lkdtm: attempting bad copy_from_user outside whitelist 53 48 c7 c3 03 c5 96 b3 49 89 dc 48 89 da 49 81 ec c0 ed 2d b3 4c 89 e6 e8 8a 9b fd ff 48 89 df 4c 89 e1 48 c7 c6 c0 ed 2d b3 a4 48 c7 c7 c8 b8 38 b4 e8 6f 9b fd ff 5b 41 5c e9 b7 fe ff ff # [ 38.595218] RSP: 0018:ffffac3d02827e50 EFLAGS: 00010246 # [ 38.601050] RAX: 000000000000003c RBX: ffffffffb396c503 RCX: 000000000068d743 # [ 38.609018] RDX: 0000000000000000 RSI: ffffffffb32dedc0 RDI: ffffffffb396c503 # [ 38.616986] RBP: ffffffffb438aad2 R08: 0000000000000000 R09: 0000000000000000 # [ 38.624953] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000068d743 # [ 38.632920] R13: ffffac3d02827f10 R14: ffffac3d02827f10 R15: ffff99b6832d3000 # [ 38.640888] FS: 00007fbcefb3a580(0000) GS:ffff99b6fad80000(0000) knlGS:0000000000000000 # [ 38.649923] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 38.656336] CR2: ffffffffb396c503 CR3: 0000000103cfa001 CR4: 00000000003706e0 # [ 38.664303] Call Trace: # [ 38.667031] direct_entry.cold+0x2c/0x38 # [ 38.671428] full_[ 50.164002] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO [ 50.172484] lkdtm: good_stack: ffffac3d034afe20-ffffac3d034afe40 [ 50.179225] lkdtm: bad_stack : ffffac3d034afda8-ffffac3d034afdc8 [ 50.185958] lkdtm: attempting good copy_to_user of local stack proxy_write+0x53/0x80 # [ 38.675710] vfs_write+0xe7/0x3a0 #[ 50.192487] lkdtm: attempting bad copy_to_user of distant stack [ 38.679408] ksys_write+0x68/0xf0 # [ 38.683105] do_syscall_64+0x30/0x40 # [ 38.687085] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 38.692723] RIP: 0033:0x7fbcefa508f3 # [ 38.696710] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 38.717693] RSP: 002b:00007fffa8033668 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 38.726137] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007fbcefa508f3 # [ 38.734105] RDX: 000000000000000b RSI: 00007fbcef943000 RDI: 0000000000000001 # [ 38.742074] RBP: 00007fbcef943000 R08: 00007fbcef942010 R09: 0000000000000000 # [ 38.750042] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 38.758011] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 38.765982] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_b[ 50.299185] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM uffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros[ 50.311912] lkdtm: good_stack: ffffac3d03527e20-ffffac3d03527e40 _ec_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_therm[ 50.324836] lkdtm: bad_stack : ffffac3d03527da8-ffffac3d03527dc8 al cros_ec_dev cros_usbpd_notify # [ 38.792435] CR2: ffffffff[ 50.337777] lkdtm: attempting good copy_from_user of local stack b396c503 # [ 38.802347] ---[ end trace 51bf6f1fff15928f ]---[ 50.350705] lkdtm: attempting bad copy_from_user of distant stack # [ 38.807501] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 38.811878] Code: 89 ff e8 2e b5 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 20 fb 93 02 # [ 38.832848] RSP: 0018:ffffac3d0145fe60 EFLAGS: 00010286 # [ 38.838679] RAX: ffffffffb32de9f0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 38.846646] RDX: 0000000000000000 RSI: ffff99b6fac1bf70 RDI: ffffffffb3f9ae90 # [ 38.854614] RBP: ffffffffb43e5e78 R08: 0000000000000001 R09: 0000000000000001 # [ 38.862581] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 38.870549] R13: ffffac3d0145ff10 R14: ffffac3d0145ff10 R15: ffff99b6841b4000 # [ 38.878518] FS: 00007fbcefb3a580(0000) GS:ffff99b6fad80000(0000) knlGS:0000000000000000 # [ 38.887556] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 38.893969] CR2: ffffffffb396c503 CR3: 0000000103cfa001 CR4: 00000000003706e0 # WRITE_KERN: saw 'call trace[ 50.459777] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND :': ok ok 41 selftests: lkdtm: WRITE_KERN.sh # selftests: lkdt[ 50.469898] lkdtm: good_stack: ffffac3d035bfe20-ffffac3d035bfe40 m: REFCOUNT_INC_OVERFLOW.sh # [ 39.008080] lkdtm: Performing [ 50.482831] lkdtm: bad_stack : ffffac3d035bfff8-ffffac3d035c0018 direct entry REFCOUNT_INC_OVERFLOW # [ 39.020592] lkdtm: atte[ 50.495763] lkdtm: attempting good copy_to_user of local stack mpting good refcount_inc() without overflow # [ 39.033708] lk[ 50.508489] lkdtm: attempting bad copy_to_user of distant stack dtm: attempting bad refcount_inc() overflow # [ 39.045952] --[ 50.521319] lkdtm: copy_to_user failed, but lacked Oops ----------[ cut here ]------------ # [ 39.057337] refcount_t: saturated; leaking memory. # [ 39.068923] WARNING: CPU: 0 PID: 2058 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 39.084530] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 39.117174] CPU: 0 PID: 2058 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 39.132034] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 39.145066] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 39.157111] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d ad 48 94 01 00 75 ee 48 c7 c7 18 65 32 b4 c6 05 9d 48 94 01 01 e8 0a 65 98 00 <0f> 0b c3 cc cc cc cc 80 3d 89 48 94 01 00 75 cb 48 c7 c7 40 65 32 # [ 39.184315] RSP: 0018:ffffac3d028bfe48 EFLAGS: 00010286 # [ 39.196359] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 # [ 39.210549] RDX: ffff99b6fac[ 50.633029] lkdtm: Performing direct entry USERCOPY_KERNEL 2c660 RSI: ffff99b6fac1bf70 RDI: ffff99b6fac1bf70 # [ 39.2247[ 50.645166] lkdtm: attempting good copy_to_user from kernel rodata: ffffffffb3f9b330 36] RBP: ffffffffb438aadd R08: 0000000000000000 R09: 00000000000[ 50.660073] lkdtm: attempting bad copy_to_user from kernel text: ffffffffb2ce2e40 00000 # [ 39.238926] R10: 00000000ffffe000 R11: 3ffffffffffff[ 50.674641] lkdtm: FAIL: survived bad copy_to_user() fff R12: 0000000000000016 # [ 39.253124] R13: ffffac3d028bff10 R14: ffffac3d028bff10 R15: ffff99b68362e000 # [ 39.267305] FS: 00007fa9eb02d580(0000) GS:ffff99b6fac00000(0000) knlGS:0000000000000000 # [ 39.282570] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 39.295170] CR2: 00007fa9eae36000 CR3: 00000001041f6006 CR4: 00000000003706f0 # [ 39.309363] Call Trace: # [ 39.318317] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 # [ 39.329971] direct_entry.cold+0x2c/0x38 # [ 39.340529] full_proxy_write+0x53/0x80 # [ 39.351067] vfs_write+0xe7/0x3a0 # [ 39.360912] ksys_write+0x68/0xf0 # [ 39.370901] do_syscall_64+0x30/0x40 # [ 39.381040] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 39.392901] RIP: 0033:0x7fa9eaf438f3 # [ 39.403103] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 39.430314] RSP: 002b:00007ffcdd566358 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 39.444990] [ 50.788678] lkdtm: Performing direct entry STACKLEAK_ERASING [ 50.798331] lkdtm: checking unused part of the thread stack (15928 bytes)... [ 50.806242] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) [ 50.814055] lkdtm: FAIL: the thread stack is NOT properly erased RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fa9eaf438f[ 50.820790] CPU: 2 PID: 2959 Comm: cat Tainted: G D W 5.10.147-cip18 #1 [ 50.835648] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 50.842466] Call Trace: [ 50.845200] dump_stack+0x77/0x9b [ 50.848928] lkdtm_STACKLEAK_ERASING+0x116/0x144 [ 50.854074] direct_entry.cold+0x2c/0x38 [ 50.858473] full_proxy_write+0x53/0x80 [ 50.862755] vfs_write+0xe7/0x3a0 [ 50.866453] ksys_write+0x68/0xf0 [ 50.870150] do_syscall_64+0x30/0x40 [ 50.874140] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 50.879778] RIP: 0033:0x7f91941828f3 [ 50.883767] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 50.904749] RSP: 002b:00007ffd7e674d68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 50.913197] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f91941828f3 [ 50.921165] RDX: 0000000000000012 RSI: 00007f9194075000 RDI: 0000000000000001 [ 50.929133] RBP: 00007f9194075000 R08: 00007f9194074010 R09: 0000000000000000 [ 50.937100] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 50.945068] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 3 # [ 39.459217] RDX: 0000000000000016 RSI: 00007fa9eae36000 RDI: 0000000000000001 # [ 39.473403] RBP: 00007fa9eae36000 R08: 00007fa9eae35010 R09: 0000000000000000 # [ 39.487613] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 39.501779] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 39.515970] irq event stamp: 0 # [ 39.525588] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 39.538817] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 39.554156] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 39.569523] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 39.582727] ---[ end trace 51bf6f1fff159290 ]--- # [ 39.594132] 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 # [ 39.695385] lkdtm: Performing direct entry REFCOUN[ 51.051538] lkdtm: Performing direct entry CFI_FORWARD_PROTO T_ADD_OVERFLOW # [ 39.705291] lkdtm: attempting good refcount[ 51.058875] lkdtm: Calling matched prototype ... _add() without overflow # [ 39.712227] lkdtm: attempting bad [ 51.070250] lkdtm: Calling mismatched prototype ... refcount_add() overflow # [ 39.718259] ------------[ cut here[ 51.081907] lkdtm: Fail: survived mismatched prototype function call! ]------------ # [ 39.723431] refcount_t: saturated; leaking memory. # [ 39.735023] WARNING: CPU: 3 PID: 2090 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 39.744458] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 39.777088] CPU: 3 PID: 2090 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 39.785739] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 39.792548] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 39.798384] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d ad 48 94 01 00 75 ee 48 c7 c7 18 65 32 b4 c6 05 9d 48 94 01 01 e8 0a 65 98 00 <0f> 0b c3 cc cc cc cc 80 3d 89 48 94 01 00 75 cb 48 c7 c7 40 65 32 # [ 39.819367] RSP: 0018:ffffac3d0293fe48 EFLAGS: 00010286 # [ 39.825203] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 # [ 39.833174] RDX: ffff99b6fadac660 RSI: ffff99b6fad9bf70 RDI: ffff99b6fad9bf70 # [ 39.841146] RBP: ffffffffb438aaf3 R08: 0000000000000000 R09: 0000000000000000 # [ 39.849118] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 39.857091] R13: ffffac3d0293ff10 R14: ffffac3d0293ff10 R15: ffff99b683ca8000 # [ 39.865067] FS: 00007f7622ff7580(0000) GS:ffff99b6fad80000(0000) knlGS:0000000000000000 # [ 39.874138] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 39.880555] CR2: 00007f7622e00000 CR3: 0000000105a26006 CR4: 00000000003706e0 # [ 39.888527] Call Trace: # [ 39.891257] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 # [ 39.896632] direct_entry.cold+0x2c/0x38 # [ 39.901012] full_proxy_write+0x53/0x80 # [ 39.905345] vfs_write+0xe7/0x3a0 # [ 39.909059] ksys_write+0x68/0xf0 # [ 39.918966] do_syscall_64+0x30/0x40 # [ 39.922980] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 39.928621] RIP: 0033:0x7f7622f0d8f3 # [ 39.932613] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 39.953596] RSP: 002b:00007fffaf185728 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 39.962054] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f7622f0d8f3 # [ 39.970026] RDX: 0000000000000016 RSI: 00007f7622e00000 RDI: 0000000000000001 # [ 39.977997] RBP: 00007f7622e00000 R08: 00007f7622dff010 R09: 0000000000000000 # [ 39.985970] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 39.993941] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 40.001918] irq event stamp: 0 # [ 40.005350] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 40.018564] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 40.027704] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 40.036843] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 40.043843] ---[ end trace 51bf6f1fff159291 ]--- # [ 40.048999] 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 # [ 40.142084] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 40.154906] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 40.168025] ------------[ cut here ]------------ # [ 40.179397] refcount_t: saturated; leaking memory. # [ 40.190972] WARNING: CPU: 1 PID: 2122 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 40.206602] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 40.239241] CPU: 1 PID: 2122 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 40.254105] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 40.267123] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 40.279174] Code: 01 01 e8 e7 64 98 00 0f 0b c3 cc cc cc cc 80 3d 68 48 94 01 00 75 a8 48 c7 c7 18 65 32 b4 c6 05 58 48 94 01 01 e8 c4 64 98 00 <0f> 0b c3 cc cc cc cc 80 3d 42 48 94 01 00 75 85 48 c7 c7 70 65 32 # [ 40.306373] RSP: 0018:ffffac3d029b7e38 EFLAGS: 00010282 # [ 40.318430] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 40.332616] RDX: ffff99b6facac660 RSI: ffff99b6fac9bf70 RDI: ffff99b6fac9bf70 # [ 40.346803] RBP: ffffffffb438a730 R08: 0000000000000000 R09: 0000000000000000 # [ 40.360990] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 40.375176] R13: ffffac3d029b7f10 R14: ffffac3d029b7f10 R15: ffff99b6832e5000 # [ 40.389363] FS: 00007f01aa9fe580(0000) GS:ffff99b6fac80000(0000) knlGS:0000000000000000 # [ 40.404616] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 40.417247] CR2: 00007f01aa807000 CR3: 0000000103dc6005 CR4: 00000000003706e0 # [ 40.431433] Call Trace: # [ 40.440380] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 40.452719] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 40.465156] direct_entry.cold+0x2c/0x38 # [ 40.475749] full_proxy_write+0x53/0x80 # [ 40.486247] vfs_write+0xe7/0x3a0 # [ 40.496159] ksys_write+0x68/0xf0 # [ 40.506073] do_syscall_64+0x30/0x40 # [ 40.516278] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 40.528134] RIP: 0033:0x7f01aa9148f3 # [ 40.538337] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 40.565533] RSP: 002b:00007ffffc01fc18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 40.580206] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f01aa9148f3 # [ 40.594389] RDX: 000000000000001f RSI: 00007f01aa807000 RDI: 0000000000000001 # [ 40.608577] RBP: 00007f01aa807000 R08: 00007f01aa806010 R09: 0000000000000000 # [ 40.622764] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 40.636950] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 40.651144] irq event stamp: 0 # [ 40.660760] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 40.673976] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 40.689328] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 40.704680] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 40.717897] ---[ end trace 51bf6f1fff159292 ]--- # [ 40.729268] 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 # [ 40.841147] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 40.853780] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 40.860694] ------------[ cut here ]------------ # [ 40.865856] refcount_t: saturated; leaking memory. # [ 40.871218] WARNING: CPU: 2 PID: 2154 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 40.880653] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 40.907107] CPU: 2 PID: 2154 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 40.921972] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 40.928803] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 40.934639] Code: 01 01 e8 e7 64 98 00 0f 0b c3 cc cc cc cc 80 3d 68 48 94 01 00 75 a8 48 c7 c7 18 65 32 b4 c6 05 58 48 94 01 01 e8 c4 64 98 00 <0f> 0b c3 cc cc cc cc 80 3d 42 48 94 01 00 75 85 48 c7 c7 70 65 32 # [ 40.955627] RSP: 0018:ffffac3d02a37e38 EFLAGS: 00010282 # [ 40.961494] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 40.969478] RDX: ffff99b6fad2c660 RSI: ffff99b6fad1bf70 RDI: ffff99b6fad1bf70 # [ 40.977466] RBP: ffffffffb438a750 R08: 0000000000000000 R09: 0000000000000000 # [ 40.985479] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 40.993450] R13: ffffac3d02a37f10 R14: ffffac3d02a37f10 R15: ffff99b6832a8000 # [ 41.001476] FS: 00007f3ffd5cf580(0000) GS:ffff99b6fad00000(0000) knlGS:0000000000000000 # [ 41.010515] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 41.016938] CR2: 00007f3ffd3d8000 CR3: 00000001034d6001 CR4: 00000000003706e0 # [ 41.024936] Call Trace: # [ 41.033875] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 41.040035] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 41.046283] direct_entry.cold+0x2c/0x38 # [ 41.050661] full_proxy_write+0x53/0x80 # [ 41.054944] vfs_write+0xe7/0x3a0 # [ 41.058644] ksys_write+0x68/0xf0 # [ 41.062345] do_syscall_64+0x30/0x40 # [ 41.066360] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 41.072001] RIP: 0033:0x7f3ffd4e58f3 # [ 41.075993] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 41.096980] RSP: 002b:00007fff8c485418 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 41.105440] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f3ffd4e58f3 # [ 41.113411] RDX: 000000000000001f RSI: 00007f3ffd3d8000 RDI: 0000000000000001 # [ 41.127591] RBP: 00007f3ffd3d8000 R08: 00007f3ffd3d7010 R09: 0000000000000000 # [ 41.135563] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 41.143533] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 41.151510] irq event stamp: 0 # [ 41.154946] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 41.161948] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 41.171086] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 41.180223] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 41.187223] ---[ end trace 51bf6f1fff159293 ]--- # [ 41.192378] 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 # [ 41.288813] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 41.297047] lkdtm: attempting good refcount_dec() # [ 41.302300] lkdtm: attempting bad refcount_dec() to zero # [ 41.308241] ------------[ cut here ]------------ # [ 41.319608] refcount_t: decrement hit 0; leaking memory. # [ 41.325570] WARNING: CPU: 2 PID: 2186 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 41.335002] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 41.367661] CPU: 2 PID: 2186 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 41.376323] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 41.389339] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 41.395174] Code: c8 65 32 b4 c6 05 09 48 94 01 01 e8 7a 64 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 98 65 32 b4 c6 05 f0 47 94 01 01 e8 60 64 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 41.416162] RSP: 0018:ffffac3d02a87e48 EFLAGS: 00010286 # [ 41.421998] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 # [ 41.429972] RDX: ffff99b6fad2c660 RSI: ffff99b6fad1bf70 RDI: ffff99b6fad1bf70 # [ 41.437944] RBP: ffffffffb438ab09 R08: 0000000000000000 R09: 0000000000000000 # [ 41.445917] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 41.453888] R13: ffffac3d02a87f10 R14: ffffac3d02a87f10 R15: ffff99b6858ef000 # [ 41.461860] FS: 00007f3ad2bc5580(0000) GS:ffff99b6fad00000(0000) knlGS:0000000000000000 # [ 41.470899] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 41.477317] CR2: 00007f3ad29ce000 CR3: 0000000105b5c002 CR4: 00000000003706e0 # [ 41.485287] Call Trace: # [ 41.488018] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd # [ 41.493006] direct_entry.cold+0x2c/0x38 # [ 41.497429] full_proxy_write+0x53/0x80 # [ 41.501714] vfs_write+0xe7/0x3a0 # [ 41.505432] ksys_write+0x68/0xf0 # [ 41.515346] do_syscall_64+0x30/0x40 # [ 41.519338] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 41.524981] RIP: 0033:0x7f3ad2adb8f3 # [ 41.528972] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 41.549955] RSP: 002b:00007ffc45ef0668 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 41.558428] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f3ad2adb8f3 # [ 41.572607] RDX: 0000000000000012 RSI: 00007f3ad29ce000 RDI: 0000000000000001 # [ 41.580579] RBP: 00007f3ad29ce000 R08: 00007f3ad29cd010 R09: 0000000000000000 # [ 41.588550] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 41.596522] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 41.604500] irq event stamp: 0 # [ 41.607935] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 41.621144] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 41.630283] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 41.639419] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 41.646439] ---[ end trace 51bf6f1fff159294 ]--- # [ 41.651594] 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 # [ 41.763206] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 41.774876] lkdtm: attempting bad refcount_dec() below zero # [ 41.781131] ------------[ cut here ]------------ # [ 41.786289] refcount_t: decrement hit 0; leaking memory. # [ 41.792249] WARNING: CPU: 2 PID: 2221 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 41.801686] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 41.834317] CPU: 2 PID: 2221 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 41.842973] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 41.849812] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 41.855650] Code: c8 65 32 b4 c6 05 09 48 94 01 01 e8 7a 64 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 98 65 32 b4 c6 05 f0 47 94 01 01 e8 60 64 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 41.876665] RSP: 0018:ffffac3d02b4fe48 EFLAGS: 00010286 # [ 41.882548] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 # [ 41.890537] RDX: ffff99b6fad2c660 RSI: ffff99b6fad1bf70 RDI: ffff99b6fad1bf70 # [ 41.904711] RBP: ffffffffb438ab1b R08: 0000000000000000 R09: 0000000000000000 # [ 41.918896] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 41.933083] R13: ffffac3d02b4ff10 R14: ffffac3d02b4ff10 R15: ffff99b6826e0000 # [ 41.947269] FS: 00007fdf633e9580(0000) GS:ffff99b6fad00000(0000) knlGS:0000000000000000 # [ 41.962527] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 41.975160] CR2: 00007fdf631f2000 CR3: 0000000104dee003 CR4: 00000000003706e0 # [ 41.983135] Call Trace: # [ 41.992074] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 # [ 42.003640] direct_entry.cold+0x2c/0x38 # [ 42.014235] full_proxy_write+0x53/0x80 # [ 42.024735] vfs_write+0xe7/0x3a0 # [ 42.034648] ksys_write+0x68/0xf0 # [ 42.044564] do_syscall_64+0x30/0x40 # [ 42.054768] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 42.066626] RIP: 0033:0x7fdf632ff8f3 # [ 42.076833] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 42.104036] RSP: 002b:00007ffe403610b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 42.118707] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fdf632ff8f3 # [ 42.132894] RDX: 0000000000000016 RSI: 00007fdf631f2000 RDI: 0000000000000001 # [ 42.147079] RBP: 00007fdf631f2000 R08: 00007fdf631f1010 R09: 0000000000000000 # [ 42.161264] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 42.169237] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 42.183424] irq event stamp: 0 # [ 42.193044] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 42.206261] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 42.221613] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 42.236965] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 42.243964] ---[ end trace 51bf6f1fff159295 ]--- # [ 42.255330] 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 # [ 42.386479] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 42.398647] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 42.405754] ------------[ cut here ]------------ # [ 42.410920] refcount_t: underflow; use-after-free. # [ 42.422492] WARNING: CPU: 2 PID: 2256 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 42.431931] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 42.458402] CPU: 2 PID: 2256 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 42.467055] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 42.480074] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 42.485911] Code: 01 01 e8 c4 64 98 00 0f 0b c3 cc cc cc cc 80 3d 42 48 94 01 00 75 85 48 c7 c7 70 65 32 b4 c6 05 32 48 94 01 01 e8 a1 64 98 00 <0f> 0b c3 cc cc cc cc 80 3d 1d 48 94 01 00 0f 85 5e ff ff ff 48 c7 # [ 42.506897] RSP: 0018:ffffac3d02bd7e40 EFLAGS: 00010286 # [ 42.512733] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 # [ 42.520704] RDX: ffff99b6fad2c660 RSI: ffff99b6fad1bf70 RDI: ffff99b6fad1bf70 # [ 42.528677] RBP: ffffffffb438a770 R08: 0000000000000000 R09: 0000000000000000 # [ 42.536648] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 42.544621] R13: ffffac3d02bd7f10 R14: ffffac3d02bd7f10 R15: ffff99b684e66000 # [ 42.552595] FS: 00007fe56f803580(0000) GS:ffff99b6fad00000(0000) knlGS:0000000000000000 # [ 42.561634] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 42.568052] CR2: 00007fe56f60c000 CR3: 00000001035e4001 CR4: 00000000003706e0 # [ 42.576023] Call Trace: # [ 42.578756] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 42.584916] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 # [ 42.591166] direct_entry.cold+0x2c/0x38 # [ 42.595547] full_proxy_write+0x53/0x80 # [ 42.599855] vfs_write+0xe7/0x3a0 # [ 42.603581] ksys_write+0x68/0xf0 # [ 42.607308] do_syscall_64+0x30/0x40 # [ 42.611325] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 42.616968] RIP: 0033:0x7fe56f7198f3 # [ 42.620960] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 42.641943] RSP: 002b:00007fff5e77b5d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 42.650418] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fe56f7198f3 # [ 42.658398] RDX: 000000000000001f RSI: 00007fe56f60c000 RDI: 0000000000000001 # [ 42.672577] RBP: 00007fe56f60c000 R08: 00007fe56f60b010 R09: 0000000000000000 # [ 42.680552] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 42.688524] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 42.696503] irq event stamp: 0 # [ 42.699941] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 42.706944] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 42.716112] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 42.725249] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 42.732250] ---[ end trace 51bf6f1fff159296 ]--- # [ 42.737431] 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 # [ 42.855224] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 42.868285] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 42.881629] ------------[ cut here ]------------ # [ 42.892992] refcount_t: underflow; use-after-free. # [ 42.904566] WARNING: CPU: 0 PID: 2291 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 42.920213] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 42.952851] CPU: 0 PID: 2291 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 42.967698] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 42.980717] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 42.992808] Code: 01 01 e8 c4 64 98 00 0f 0b c3 cc cc cc cc 80 3d 42 48 94 01 00 75 85 48 c7 c7 70 65 32 b4 c6 05 32 48 94 01 01 e8 a1 64 98 00 <0f> 0b c3 cc cc cc cc 80 3d 1d 48 94 01 00 0f 85 5e ff ff ff 48 c7 # [ 43.019974] RSP: 0018:ffffac3d02c1fe40 EFLAGS: 00010286 # [ 43.032061] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 # [ 43.046215] RDX: ffff99b6fac2c660 RSI: ffff99b6fac1bf70 RDI: ffff99b6fac1bf70 # [ 43.060542] RBP: ffffffffb438a790 R08: 0000000000000000 R09: 0000000000000000 # [ 43.074615] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 43.088826] R13: ffffac3d02c1ff10 R14: ffffac3d02c1ff10 R15: ffff99b683368000 # [ 43.102991] FS: 00007f621b8cb580(0000) GS:ffff99b6fac00000(0000) knlGS:0000000000000000 # [ 43.118242] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 43.130868] CR2: 00007f621b6d4000 CR3: 00000001059e2003 CR4: 00000000003706f0 # [ 43.145084] Call Trace: # [ 43.154035] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 43.166389] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b # [ 43.178819] direct_entry.cold+0x2c/0x38 # [ 43.189436] full_proxy_write+0x53/0x80 # [ 43.199913] vfs_write+0xe7/0x3a0 # [ 43.209835] ksys_write+0x68/0xf0 # [ 43.219745] do_syscall_64+0x30/0x40 # [ 43.229954] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 43.241809] RIP: 0033:0x7f621b7e18f3 # [ 43.252011] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 43.279226] RSP: 002b:00007fff98ea3ee8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 43.293892] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f621b7e18f3 # [ 43.308085] RDX: 000000000000001f RSI: 00007f621b6d4000 RDI: 0000000000000001 # [ 43.322288] RBP: 00007f621b6d4000 R08: 00007f621b6d3010 R09: 0000000000000000 # [ 43.336501] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 43.350659] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 43.364843] irq event stamp: 0 # [ 43.374494] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 43.387685] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 43.403039] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 43.418415] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 43.431633] ---[ end trace 51bf6f1fff159297 ]--- # [ 43.443027] 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 # [ 43.559155] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 43.566295] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 43.579599] lkdtm: Good: zero detected # [ 43.589988] lkdtm: Correctly stayed at zero # [ 43.600921] lkdtm: attempting bad refcount_inc() from zero # [ 43.613248] ------------[ cut here ]------------ # [ 43.624640] refcount_t: addition on 0; use-after-free. # [ 43.636581] WARNING: CPU: 0 PID: 2323 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 43.652263] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 43.684857] CPU: 0 PID: 2323 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 43.699745] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 43.712753] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 43.724813] Code: 01 01 e8 0a 65 98 00 0f 0b c3 cc cc cc cc 80 3d 89 48 94 01 00 75 cb 48 c7 c7 40 65 32 b4 c6 05 79 48 94 01 01 e8 e7 64 98 00 <0f> 0b c3 cc cc cc cc 80 3d 68 48 94 01 00 75 a8 48 c7 c7 18 65 32 # [ 43.752009] RSP: 0018:ffffac3d02cd7e48 EFLAGS: 00010286 # [ 43.764075] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 # [ 43.778257] RDX: ffff99b6fac2c660 RSI: ffff99b6fac1bf70 RDI: ffff99b6fac1bf70 # [ 43.792453] RBP: ffffffffb438ab31 R08: 0000000000000000 R09: 0000000000000000 # [ 43.806641] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 43.820843] R13: ffffac3d02cd7f10 R14: ffffac3d02cd7f10 R15: ffff99b6832d5000 # [ 43.835046] FS: 00007f88c0afb580(0000) GS:ffff99b6fac00000(0000) knlGS:0000000000000000 # [ 43.850327] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 43.862959] CR2: 00007f88c0904000 CR3: 00000001013c0006 CR4: 00000000003706f0 # [ 43.877176] Call Trace: # [ 43.886129] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 # [ 43.897328] direct_entry.cold+0x2c/0x38 # [ 43.907938] full_proxy_write+0x53/0x80 # [ 43.918450] vfs_write+0xe7/0x3a0 # [ 43.928355] ksys_write+0x68/0xf0 # [ 43.938290] do_syscall_64+0x30/0x40 # [ 43.948476] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 43.960340] RIP: 0033:0x7f88c0a118f3 # [ 43.970550] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 43.997759] RSP: 002b:00007ffc84309e68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 44.012432] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f88c0a118f3 # [ 44.026630] RDX: 0000000000000012 RSI: 00007f88c0904000 RDI: 0000000000000001 # [ 44.040811] RBP: 00007f88c0904000 R08: 00007f88c0903010 R09: 0000000000000000 # [ 44.055007] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 44.069193] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 44.083409] irq event stamp: 0 # [ 44.093019] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 44.106245] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 44.121591] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 44.136957] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 44.150170] ---[ end trace 51bf6f1fff159298 ]--- # [ 44.161544] 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 # [ 44.280313] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 44.290723] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 44.304039] lkdtm: Good: zero detected # [ 44.314436] lkdtm: Correctly stayed at zero # [ 44.325300] lkdtm: attempting bad refcount_add() from zero # [ 44.337643] ------------[ cut here ]------------ # [ 44.349058] refcount_t: addition on 0; use-after-free. # [ 44.361045] WARNING: CPU: 0 PID: 2355 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 44.376674] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 44.409338] CPU: 0 PID: 2355 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 44.424216] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 44.437235] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 44.449323] Code: 01 01 e8 0a 65 98 00 0f 0b c3 cc cc cc cc 80 3d 89 48 94 01 00 75 cb 48 c7 c7 40 65 32 b4 c6 05 79 48 94 01 01 e8 e7 64 98 00 <0f> 0b c3 cc cc cc cc 80 3d 68 48 94 01 00 75 a8 48 c7 c7 18 65 32 # [ 44.476498] RSP: 0018:ffffac3d02d27e48 EFLAGS: 00010286 # [ 44.488586] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 # [ 44.502749] RDX: ffff99b6fac2c660 RSI: ffff99b6fac1bf70 RDI: ffff99b6fac1bf70 # [ 44.516999] RBP: ffffffffb438ab43 R08: 0000000000000000 R09: 0000000000000000 # [ 44.531148] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 44.545349] R13: ffffac3d02d27f10 R14: ffffac3d02d27f10 R15: ffff99b683dcc000 # [ 44.559545] FS: 00007f4fb84d7580(0000) GS:ffff99b6fac00000(0000) knlGS:0000000000000000 # [ 44.574795] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 44.587415] CR2: 00007f4fb82e0000 CR3: 0000000103160005 CR4: 00000000003706f0 # [ 44.601614] Call Trace: # [ 44.610568] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 # [ 44.621742] direct_entry.cold+0x2c/0x38 # [ 44.632329] full_proxy_write+0x53/0x80 # [ 44.642835] vfs_write+0xe7/0x3a0 # [ 44.652735] ksys_write+0x68/0xf0 # [ 44.662674] do_syscall_64+0x30/0x40 # [ 44.672859] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 44.684721] RIP: 0033:0x7f4fb83ed8f3 # [ 44.694927] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 44.722139] RSP: 002b:00007ffcc65a9fd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 44.736806] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f4fb83ed8f3 # [ 44.750990] RDX: 0000000000000012 RSI: 00007f4fb82e0000 RDI: 0000000000000001 # [ 44.765182] RBP: 00007f4fb82e0000 R08: 00007f4fb82df010 R09: 0000000000000000 # [ 44.779380] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 44.793564] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 44.807765] irq event stamp: 0 # [ 44.817373] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 44.830599] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 44.845953] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 44.861316] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 44.874525] ---[ end trace 51bf6f1fff159299 ]--- # [ 44.885905] 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 # [ 45.009078] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 45.021653] lkdtm: attempting bad refcount_inc() from saturated # [ 45.028271] ------------[ cut here ]------------ # [ 45.033473] refcount_t: saturated; leaking memory. # [ 45.038853] WARNING: CPU: 3 PID: 2390 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 45.048287] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 45.080922] CPU: 3 PID: 2390 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 45.089595] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 45.096421] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 45.102265] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d ad 48 94 01 00 75 ee 48 c7 c7 18 65 32 b4 c6 05 9d 48 94 01 01 e8 0a 65 98 00 <0f> 0b c3 cc cc cc cc 80 3d 89 48 94 01 00 75 cb 48 c7 c7 40 65 32 # [ 45.129475] RSP: 0018:ffffac3d02db7e48 EFLAGS: 00010286 # [ 45.135310] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 # [ 45.143282] RDX: ffff99b6fadac660 RSI: ffff99b6fad9bf70 RDI: ffff99b6fad9bf70 # [ 45.151256] RBP: ffffffffb438ab55 R08: 0000000000000000 R09: 0000000000000000 # [ 45.159232] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 45.167233] R13: ffffac3d02db7f10 R14: ffffac3d02db7f10 R15: ffff99b6833a5000 # [ 45.175205] FS: 00007f5138b62580(0000) GS:ffff99b6fad80000(0000) knlGS:0000000000000000 # [ 45.184244] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 45.190660] CR2: 00007f513896b000 CR3: 00000001035da002 CR4: 00000000003706e0 # [ 45.198639] Call Trace: # [ 45.201422] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 # [ 45.206879] direct_entry.cold+0x2c/0x38 # [ 45.217485] full_proxy_write+0x53/0x80 # [ 45.221768] vfs_write+0xe7/0x3a0 # [ 45.225494] ksys_write+0x68/0xf0 # [ 45.229196] do_syscall_64+0x30/0x40 # [ 45.233212] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 45.238855] RIP: 0033:0x7f5138a788f3 # [ 45.242845] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 45.263828] RSP: 002b:00007ffe5963bfc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 45.272286] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f5138a788f3 # [ 45.280257] RDX: 0000000000000017 RSI: 00007f513896b000 RDI: 0000000000000001 # [ 45.288228] RBP: 00007f513896b000 R08: 00007f513896a010 R09: 0000000000000000 # [ 45.296201] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 45.304174] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 45.312150] irq event stamp: 0 # [ 45.315588] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 45.322589] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 45.331728] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 45.340867] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 45.347868] ---[ end trace 51bf6f1fff15929a ]--- # [ 45.353023] 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 # [ 45.470967] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 45.483804] lkdtm: attempting bad refcount_dec() from saturated # [ 45.490430] ------------[ cut here ]------------ # [ 45.501790] refcount_t: decrement hit 0; leaking memory. # [ 45.513958] WARNING: CPU: 3 PID: 2425 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 45.529581] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 45.562220] CPU: 3 PID: 2425 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 45.577088] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 45.590110] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 45.602159] Code: c8 65 32 b4 c6 05 09 48 94 01 01 e8 7a 64 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 98 65 32 b4 c6 05 f0 47 94 01 01 e8 60 64 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 45.623145] RSP: 0018:ffffac3d02e17e48 EFLAGS: 00010286 # [ 45.629655] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 # [ 45.637631] RDX: ffff99b6fadac660 RSI: ffff99b6fad9bf70 RDI: ffff99b6fad9bf70 # [ 45.651818] RBP: ffffffffb438ab6c R08: 0000000000000000 R09: 0000000000000000 # [ 45.659791] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 45.673978] R13: ffffac3d02e17f10 R14: ffffac3d02e17f10 R15: ffff99b684ff1000 # [ 45.681954] FS: 00007f0f794ca580(0000) GS:ffff99b6fad80000(0000) knlGS:0000000000000000 # [ 45.697208] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 45.709839] CR2: 00007f0f792d3000 CR3: 0000000104eca005 CR4: 00000000003706e0 # [ 45.717813] Call Trace: # [ 45.726754] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f # [ 45.735017] direct_entry.cold+0x2c/0x38 # [ 45.745615] full_proxy_write+0x53/0x80 # [ 45.756114] vfs_write+0xe7/0x3a0 # [ 45.766031] ksys_write+0x68/0xf0 # [ 45.775952] do_syscall_64+0x30/0x40 # [ 45.779951] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 45.785595] RIP: 0033:0x7f0f793e08f3 # [ 45.789588] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 45.810573] RSP: 002b:00007fff6bace178 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 45.819031] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f0f793e08f3 # [ 45.827004] RDX: 0000000000000017 RSI: 00007f0f792d3000 RDI: 0000000000000001 # [ 45.834982] RBP: 00007f0f792d3000 R08: 00007f0f792d2010 R09: 0000000000000000 # [ 45.842958] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 45.857138] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 45.871333] irq event stamp: 0 # [ 45.880950] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 45.887953] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 45.903301] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 45.918651] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 45.925653] ---[ end trace 51bf6f1fff15929b ]--- # [ 45.937019] 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 # [ 46.052426] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 46.059400] lkdtm: attempting bad refcount_dec() from saturated # [ 46.066016] ------------[ cut here ]------------ # [ 46.071174] refcount_t: saturated; leaking memory. # [ 46.076538] WARNING: CPU: 3 PID: 2460 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 46.085978] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 46.112436] CPU: 3 PID: 2460 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 46.127303] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 46.134113] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 46.139949] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d ad 48 94 01 00 75 ee 48 c7 c7 18 65 32 b4 c6 05 9d 48 94 01 01 e8 0a 65 98 00 <0f> 0b c3 cc cc cc cc 80 3d 89 48 94 01 00 75 cb 48 c7 c7 40 65 32 # [ 46.160935] RSP: 0018:ffffac3d02eafe48 EFLAGS: 00010286 # [ 46.166771] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 # [ 46.174743] RDX: ffff99b6fadac660 RSI: ffff99b6fad9bf70 RDI: ffff99b6fad9bf70 # [ 46.182717] RBP: ffffffffb438ab83 R08: 0000000000000000 R09: 0000000000000000 # [ 46.190692] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 46.198664] R13: ffffac3d02eaff10 R14: ffffac3d02eaff10 R15: ffff99b685a44000 # [ 46.206636] FS: 00007efcb2336580(0000) GS:ffff99b6fad80000(0000) knlGS:0000000000000000 # [ 46.215677] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 46.222096] CR2: 00007efcb213f000 CR3: 0000000105a34003 CR4: 00000000003706e0 # [ 46.230069] Call Trace: # [ 46.232801] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 # [ 46.238251] direct_entry.cold+0x2c/0x38 # [ 46.242656] full_proxy_write+0x53/0x80 # [ 46.246941] vfs_write+0xe7/0x3a0 # [ 46.250681] ksys_write+0x68/0xf0 # [ 46.254437] do_syscall_64+0x30/0x40 # [ 46.264640] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 46.270283] RIP: 0033:0x7efcb224c8f3 # [ 46.274275] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 46.295284] RSP: 002b:00007ffff0ac27e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 46.303745] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007efcb224c8f3 # [ 46.317922] RDX: 0000000000000017 RSI: 00007efcb213f000 RDI: 0000000000000001 # [ 46.325894] RBP: 00007efcb213f000 R08: 00007efcb213e010 R09: 0000000000000000 # [ 46.333867] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 46.341840] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 46.349817] irq event stamp: 0 # [ 46.353250] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 46.366478] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 46.375617] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 46.384786] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 46.391785] ---[ end trace 51bf6f1fff15929c ]--- # [ 46.396940] 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 # [ 46.751546] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 46.764139] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 46.771629] ------------[ cut here ]------------ # [ 46.776814] refcount_t: saturated; leaking memory. # [ 46.782190] WARNING: CPU: 3 PID: 2492 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 46.791624] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 46.824259] CPU: 3 PID: 2492 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 46.832936] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 46.839744] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 46.845580] Code: 01 01 e8 e7 64 98 00 0f 0b c3 cc cc cc cc 80 3d 68 48 94 01 00 75 a8 48 c7 c7 18 65 32 b4 c6 05 58 48 94 01 01 e8 c4 64 98 00 <0f> 0b c3 cc cc cc cc 80 3d 42 48 94 01 00 75 85 48 c7 c7 70 65 32 # [ 46.866566] RSP: 0018:ffffac3d02f37e38 EFLAGS: 00010282 # [ 46.872428] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 46.886619] RDX: ffff99b6fadac660 RSI: ffff99b6fad9bf70 RDI: ffff99b6fad9bf70 # [ 46.894592] RBP: ffffffffb438a7b0 R08: 0000000000000000 R09: 0000000000000000 # [ 46.902564] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 46.910537] R13: ffffac3d02f37f10 R14: ffffac3d02f37f10 R15: ffff99b6865ab000 # [ 46.918508] FS: 00007fda1b50d580(0000) GS:ffff99b6fad80000(0000) knlGS:0000000000000000 # [ 46.927550] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 46.933969] CR2: 00007fda1b316000 CR3: 0000000106440004 CR4: 00000000003706e0 # [ 46.941942] Call Trace: # [ 46.944675] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 46.950837] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 # [ 46.957192] direct_entry.cold+0x2c/0x38 # [ 46.961603] full_proxy_write+0x53/0x80 # [ 46.965913] vfs_write+0xe7/0x3a0 # [ 46.969638] ksys_write+0x68/0xf0 # [ 46.973364] do_syscall_64+0x30/0x40 # [ 46.977379] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 46.983022] RIP: 0033:0x7fda1b4238f3 # [ 46.987012] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 47.007999] RSP: 002b:00007ffcb3459498 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 47.016476] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fda1b4238f3 # [ 47.024447] RDX: 0000000000000020 RSI: 00007fda1b316000 RDI: 0000000000000001 # [ 47.032481] RBP: 00007fda1b316000 R08: 00007fda1b315010 R09: 0000000000000000 # [ 47.040455] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 47.048432] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 47.062625] irq event stamp: 0 # [ 47.066063] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 47.079280] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 47.088471] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 47.097608] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 47.104611] ---[ end trace 51bf6f1fff15929d ]--- # [ 47.109766] 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 # [ 47.217221] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 47.228974] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 47.236516] ------------[ cut here ]------------ # [ 47.241682] refcount_t: saturated; leaking memory. # [ 47.253269] WARNING: CPU: 3 PID: 2524 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 47.262706] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 47.295337] CPU: 3 PID: 2524 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 47.304022] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 47.310855] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 47.316692] Code: 01 01 e8 e7 64 98 00 0f 0b c3 cc cc cc cc 80 3d 68 48 94 01 00 75 a8 48 c7 c7 18 65 32 b4 c6 05 58 48 94 01 01 e8 c4 64 98 00 <0f> 0b c3 cc cc cc cc 80 3d 42 48 94 01 00 75 85 48 c7 c7 70 65 32 # [ 47.337678] RSP: 0018:ffffac3d02fbfe38 EFLAGS: 00010282 # [ 47.343538] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 47.351520] RDX: ffff99b6fadac660 RSI: ffff99b6fad9bf70 RDI: ffff99b6fad9bf70 # [ 47.365700] RBP: ffffffffb438a7d0 R08: 0000000000000000 R09: 0000000000000000 # [ 47.373672] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 47.381644] R13: ffffac3d02fbff10 R14: ffffac3d02fbff10 R15: ffff99b68326a000 # [ 47.389616] FS: 00007f4fb1bf9580(0000) GS:ffff99b6fad80000(0000) knlGS:0000000000000000 # [ 47.398657] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 47.405076] CR2: 00007f4fb1a02000 CR3: 0000000105bda005 CR4: 00000000003706e0 # [ 47.413047] Call Trace: # [ 47.415781] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 47.428121] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 # [ 47.434444] direct_entry.cold+0x2c/0x38 # [ 47.438824] full_proxy_write+0x53/0x80 # [ 47.443132] vfs_write+0xe7/0x3a0 # [ 47.446857] ksys_write+0x68/0xf0 # [ 47.450560] do_syscall_64+0x30/0x40 # [ 47.454576] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 47.460217] RIP: 0033:0x7f4fb1b0f8f3 # [ 47.464208] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 47.485195] RSP: 002b:00007ffea8e63458 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 47.493653] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f4fb1b0f8f3 # [ 47.501626] RDX: 0000000000000020 RSI: 00007f4fb1a02000 RDI: 0000000000000001 # [ 47.509596] RBP: 00007f4fb1a02000 R08: 00007f4fb1a01010 R09: 0000000000000000 # [ 47.517568] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 47.525540] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 47.533518] irq event stamp: 0 # [ 47.536956] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 47.543957] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 47.553095] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 47.562232] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 47.569234] ---[ end trace 51bf6f1fff15929e ]--- # [ 47.574390] 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 # [ 48.177728] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 48.191316] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 48.205016] ------------[ cut here ]------------ # [ 48.216383] refcount_t: underflow; use-after-free. # [ 48.227958] WARNING: CPU: 0 PID: 2559 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 48.243606] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 48.276270] CPU: 0 PID: 2559 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 48.291161] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 48.304209] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 48.316258] Code: 01 01 e8 c4 64 98 00 0f 0b c3 cc cc cc cc 80 3d 42 48 94 01 00 75 85 48 c7 c7 70 65 32 b4 c6 05 32 48 94 01 01 e8 a1 64 98 00 <0f> 0b c3 cc cc cc cc 80 3d 1d 48 94 01 00 0f 85 5e ff ff ff 48 c7 # [ 48.343449] RSP: 0018:ffffac3d0304fe40 EFLAGS: 00010286 # [ 48.355483] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 # [ 48.369672] RDX: ffff99b6fac2c660 RSI: ffff99b6fac1bf70 RDI: ffff99b6fac1bf70 # [ 48.383901] RBP: ffffffffb438a7f0 R08: 0000000000000000 R09: 0000000000000000 # [ 48.398076] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 48.412296] R13: ffffac3d0304ff10 R14: ffffac3d0304ff10 R15: ffff99b6841f7000 # [ 48.426508] FS: 00007f3a82c1a580(0000) GS:ffff99b6fac00000(0000) knlGS:0000000000000000 # [ 48.441770] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 48.454390] CR2: 00007f3a82a23000 CR3: 00000001027f8002 CR4: 00000000003706f0 # [ 48.468627] Call Trace: # [ 48.477610] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 48.489930] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 # [ 48.502519] direct_entry.cold+0x2c/0x38 # [ 48.513088] full_proxy_write+0x53/0x80 # [ 48.523599] vfs_write+0xe7/0x3a0 # [ 48.533513] ksys_write+0x68/0xf0 # [ 48.543436] do_syscall_64+0x30/0x40 # [ 48.553621] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 48.565502] RIP: 0033:0x7f3a82b308f3 # [ 48.575688] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 48.602937] RSP: 002b:00007ffe3c826a88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 48.617583] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f3a82b308f3 # [ 48.631783] RDX: 0000000000000020 RSI: 00007f3a82a23000 RDI: 0000000000000001 # [ 48.645958] RBP: 00007f3a82a23000 R08: 00007f3a82a22010 R09: 0000000000000000 # [ 48.660163] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 48.674335] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 48.688524] irq event stamp: 0 # [ 48.698149] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 48.711384] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 48.726745] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 48.742137] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 48.755343] ---[ end trace 51bf6f1fff15929f ]--- # [ 48.766721] 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 # [ 48.882380] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 48.892088] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 48.899609] ------------[ cut here ]------------ # [ 48.904800] refcount_t: underflow; use-after-free. # [ 48.910182] WARNING: CPU: 3 PID: 2594 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 48.919615] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 48.952249] CPU: 3 PID: 2594 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 48.960926] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 48.973946] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 48.979813] Code: 01 01 e8 c4 64 98 00 0f 0b c3 cc cc cc cc 80 3d 42 48 94 01 00 75 85 48 c7 c7 70 65 32 b4 c6 05 32 48 94 01 01 e8 a1 64 98 00 <0f> 0b c3 cc cc cc cc 80 3d 1d 48 94 01 00 0f 85 5e ff ff ff 48 c7 # [ 49.000799] RSP: 0018:ffffac3d030d7e40 EFLAGS: 00010286 # [ 49.006683] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 # [ 49.014670] RDX: ffff99b6fadac660 RSI: ffff99b6fad9bf70 RDI: ffff99b6fad9bf70 # [ 49.028845] RBP: ffffffffb438a810 R08: 0000000000000000 R09: 0000000000000000 # [ 49.036819] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 49.044789] R13: ffffac3d030d7f10 R14: ffffac3d030d7f10 R15: ffff99b6827fa000 # [ 49.052764] FS: 00007f2590a87580(0000) GS:ffff99b6fad80000(0000) knlGS:0000000000000000 # [ 49.061804] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 49.068225] CR2: 00007f2590890000 CR3: 0000000104e0e003 CR4: 00000000003706e0 # [ 49.076197] Call Trace: # [ 49.078930] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 49.085091] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 # [ 49.091447] direct_entry.cold+0x2c/0x38 # [ 49.095836] full_proxy_write+0x53/0x80 # [ 49.100152] vfs_write+0xe7/0x3a0 # [ 49.103887] ksys_write+0x68/0xf0 # [ 49.107619] do_syscall_64+0x30/0x40 # [ 49.111645] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 49.117317] RIP: 0033:0x7f259099d8f3 # [ 49.121310] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 49.142292] RSP: 002b:00007fffc6ebf5c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 49.150754] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f259099d8f3 # [ 49.158728] RDX: 0000000000000020 RSI: 00007f2590890000 RDI: 0000000000000001 # [ 49.166701] RBP: 00007f2590890000 R08: 00007f259088f010 R09: 0000000000000000 # [ 49.174675] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 49.182649] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 49.190628] irq event stamp: 0 # [ 49.194066] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 49.201068] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 49.210210] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 49.219348] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 49.226352] ---[ end trace 51bf6f1fff1592a0 ]--- # [ 49.231509] 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 # [ 49.644938] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 49.654572] lkdtm: attempting good copy_to_user of correct size # [ 49.667439] 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 # [ 49.778588] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 49.786691] lkdtm: attempting good copy_from_user of correct size # [ 49.793532] 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 # [ 49.896760] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 49.907168] lkdtm: attempting good copy_to_user inside whitelist # [ 49.913891] 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 # [ 50.026322] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 50.039909] lkdtm: attempting good copy_from_user inside whitelist # [ 50.053050] 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 # [ 50.164002] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 50.172484] lkdtm: good_stack: ffffac3d034afe20-ffffac3d034afe40 # [ 50.179225] lkdtm: bad_stack : ffffac3d034afda8-ffffac3d034afdc8 # [ 50.185958] lkdtm: attempting good copy_to_user of local stack # [ 50.192487] 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 # [ 50.299185] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 50.311912] lkdtm: good_stack: ffffac3d03527e20-ffffac3d03527e40 # [ 50.324836] lkdtm: bad_stack : ffffac3d03527da8-ffffac3d03527dc8 # [ 50.337777] lkdtm: attempting good copy_from_user of local stack # [ 50.350705] 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 # [ 50.459777] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 50.469898] lkdtm: good_stack: ffffac3d035bfe20-ffffac3d035bfe40 # [ 50.482831] lkdtm: bad_stack : ffffac3d035bfff8-ffffac3d035c0018 # [ 50.495763] lkdtm: attempting good copy_to_user of local stack # [ 50.508489] lkdtm: attempting bad copy_to_user of distant stack # [ 50.521319] 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 # [ 50.633029] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 50.645166] lkdtm: attempting good copy_to_user from kernel rodata: ffffffffb3f9b330 # [ 50.660073] lkdtm: attempting bad copy_to_user from kernel text: ffffffffb2ce2e40 # [ 50.674641] 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 # [ 50.788678] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 50.798331] lkdtm: checking unused part of the thread stack (15928 bytes)... # [ 50.806242] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) # [ 50.814055] lkdtm: FAIL: the thread stack is NOT properly erased # [ 50.820790] CPU: 2 PID: 2959 Comm: cat Tainted: G D W 5.10.147-cip18 #1 # [ 50.835648] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 50.842466] Call Trace: # [ 50.845200] dump_stack+0x77/0x9b # [ 50.848928] lkdtm_STACKLEAK_ERASING+0x116/0x144 # [ 50.854074] direct_entry.cold+0x2c/0x38 # [ 50.858473] full_proxy_write+0x53/0x80 # [ 50.862755] vfs_write+0xe7/0x3a0 # [ 50.866453] ksys_write+0x68/0xf0 # [ 50.870150] do_syscall_64+0x30/0x40 # [ 50.874140] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 50.879778] RIP: 0033:0x7f91941828f3 # [ 50.883767] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 50.904749] RSP: 002b:00007ffd7e674d68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 50.913197] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f91941828f3 # [ 50.921165] RDX: 0000000000000012 RSI: 00007f9194075000 RDI: 0000000000000001 # [ 50.929133] RBP: 00007f9194075000 R08: 00007f9194074010 R09: 0000000000000000 # [ 50.937100] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 50.945068] 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 # [ 51.051538] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 51.058875] lkdtm: Calling matched prototype ... # [ 51.070250] lkdtm: Calling mismatched prototype ... # [ 51.081907] lkdtm: Fail: survived mismatched prototype function call! # CFI_FORWARD_PROTO: missing 'call trace:': [FAIL] not ok 70 selftests: lkdtm: CFI_FORWARD_PROTO.sh # exit=1 + ../../utils/send-to-lava.sh ./output/result.txt + set +x / #