[Enter `^Ec?' for help] coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 bootblock starting... CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz CPU: ID 806e9, Kabylake H0, ucode: 00000097 CPU: AES supported, TXT NOT supported, VT supported MCH: device id 590c (rev 02) is Kabylake-Y PCH: device id 9d4b (rev 21) is Kabylake-Y iHDCP 2.2 Premium IGD: device id 591c (rev 02) is Amberlake ULX GT2 VBOOT: Loading verstage. CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/verstage' CBFS: Found @ offset 1a0a80 size f47c coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 verstage starting... Probing TPM: .Timeout wait for TPM IRQ! .Timeout wait for TPM IRQ! . done! TPM ready after 0 ms Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_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_A found @ 200000 (65536 bytes) FMAP: area VBLOCK_A found @ 200000 (65536 bytes) VB2:vb2_verify_keyblock() Checking key block signature... FMAP: area VBLOCK_A found @ 200000 (65536 bytes) FMAP: area VBLOCK_A found @ 200000 (65536 bytes) VB2:vb2_verify_fw_preamble() Verifying preamble. Phase 4 FMAP: area FW_MAIN_A found @ 210000 (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 34832 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fspm.bin' CBFS: Found @ offset 103fc0 size 63000 Chrome EC: UHEPI supported FMAP: Found \"FLASH\" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area RECOVERY_MRC_CACHE found @ 9d0000 (65536 bytes) Probing TPM: done! Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_A:0.5.6/cr50_v1.9308_87_mp.510-d2da4373 Initialized TPM device CR50 revision 0 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 MRC: Hash comparison successful. Using data from RECOVERY_MRC_CACHE MRC cache found, size 1868 bootmode is set to :2 SPD index 1 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'spd.bin' CBFS: Found @ offset 1a0240 size 800 SPD: module type is LPDDR3 SPD: module part is K4E8E324EB-EGCF SPD: banks 8, ranks 1, rows 15, columns 10, density 8192 Mb SPD: device width 32 bits, bus width 64 bits SPD: module size is 2048 MB (per channel) CBMEM: IMD: root @ 7afff000 254 entries. IMD: root @ 7affec00 62 entries. External stage cache: IMD: root @ 7b3ff000 254 entries. IMD: root @ 7b3fec00 62 entries. creating vboot_handoff structure Chrome EC: clear events_b mask to 0x0000000021004000 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 tlcl_write: response is 0 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 MRC: TPM MRC hash updated successfully. 2 DIMMs found top_of_ram = 0x7b000000 MTRR Range: Start=7a000000 End=7b000000 (Size 1000000) MTRR Range: Start=7b000000 End=7b800000 (Size 800000) MTRR Range: Start=ff000000 End=0 (Size 1000000) CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/postcar' CBFS: Found @ offset 197000 size 3f04 Decompressing stage fallback/postcar @ 0x7abd0fc0 (32720 bytes) Loading module at 7abd1000 with entry 7abd1000. filesize: 0x3cd0 memsize: 0x7f90 Processing 118 relocs. Offset value of 0x78bd1000 coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 postcar starting... CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/ramstage' CBFS: Found @ offset e8d80 size 1a462 Decompressing stage fallback/ramstage @ 0x7ab05fc0 (826808 bytes) Loading module at 7ab06000 with entry 7ab06000. filesize: 0x38d90 memsize: 0xc9d78 Processing 3657 relocs. Offset value of 0x79d06000 coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 ramstage starting... FMAP: Found \"FLASH\" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area RO_VPD found @ c00000 (16384 bytes) WARNING: RO_VPD is uninitialized or empty. FMAP: area RW_VPD found @ 9f8000 (8192 bytes) WARNING: RW_VPD is uninitialized or empty. Normal boot. BS: BS_PRE_DEVICE times (us): entry 0 run 30 exit 0 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'cpu_microcode_blob.bin' CBFS: Found @ offset 11100 size d7c00 microcode: sig=0x806e9 pf=0x10 revision=0x97 Skip microcode update CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fsps.bin' CBFS: Found @ offset 167fc0 size 2f000 Detected 2 core, 4 thread CPU. Setting up SMI for CPU IED base = 0x7b400000 IED size = 0x00400000 Will perform SMM setup. CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz. Loading module at 00030000 with entry 00030000. filesize: 0x170 memsize: 0x170 Processing 16 relocs. Offset value of 0x00030000 Attempting to start 3 APs Waiting for 10ms after sending INIT. Waiting for 1st SIPI to complete...done. AP: slot 3 apic_id 2. AP: slot 2 apic_id 3. AP: slot 1 apic_id 1. Waiting for 2nd SIPI to complete...done. Loading module at 00038000 with entry 00038000. filesize: 0x1a8 memsize: 0x1a8 Processing 13 relocs. Offset value of 0x00038000 SMM Module: stub loaded at 00038000. Will call 7ab21603(00000000) Installing SMM handler to 0x7b000000 Loading module at 7b010000 with entry 7b010a19. filesize: 0x3b08 memsize: 0x8bc0 Processing 243 relocs. Offset value of 0x7b010000 Loading module at 7b008000 with entry 7b008000. filesize: 0x1a8 memsize: 0x1a8 Processing 13 relocs. Offset value of 0x7b008000 SMM Module: placing jmp sequence at 7b007c00 rel16 0x03fd SMM Module: placing jmp sequence at 7b007800 rel16 0x07fd SMM Module: placing jmp sequence at 7b007400 rel16 0x0bfd SMM Module: stub loaded at 7b008000. Will call 7b010a19(00000000) Clearing SMI status registers SMI_STS: PM1 PM1_STS: PWRBTN TCO_STS: BOOT SECOND_TO New SMBASE 0x7b000000 In relocation handler: CPU 0 New SMBASE=0x7b000000 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afffc00 In relocation handler: CPU 1 New SMBASE=0x7afffc00 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 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 #2 Initializing CPU #3 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC...CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC...Setting up local APIC... apic_id: 0x02 done. apic_id: 0x03 done. Skip microcode update Skip microcode update CPU #3 initialized CPU #2 initialized apic_id: 0x01 done. Skip microcode update CPU #1 initialized bsp_do_flight_plan done after 226 msecs. CPU: frequency set to 3400 MHz Enabling SMIs. Locking SMM. VMX : param.enable = 1 VMX status: enabled, unlocked SGX: pre-conditions not met VMX status: enabled, unlocked SGX: pre-conditions not met VMX status: enabled, unlocked VMX status: enabled, unlocked SGX: pre-conditions not met SGX: pre-conditions not met CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'vbt.bin' CBFS: Found @ offset 103a00 size 48e Found a VBT of 4608 bytes after decompression psys_pmax = 360 FMAP: area GBB found @ c11000 (978944 bytes) ITSS IRQ Polarities Before: IPC0: 0x00ff4000 IPC1: 0x00000007 IPC2: 0x00000000 IPC3: 0x00000000 ITSS IRQ Polarities After: IPC0: 0x00ff4000 IPC1: 0x00000007 IPC2: 0x00000000 IPC3: 0x00000000 Override DT after FSP-S, PCH is KBL/SKL PCH-LP SKU BS: BS_DEV_INIT_CHIPS times (us): entry 376060 run 170349 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 8971 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 8969 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 8963 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 8970 usecs USB2 port 8 scanning... scan_usb_bus for USB2 port 8 scan_usb_bus for USB2 port 8 done scan_bus: scanning of bus USB2 port 8 took 8970 usecs scan_usb_bus for USB0 port 0 done scan_bus: scanning of bus USB0 port 0 took 90941 usecs scan_usb_bus for PCI: 00:14.0 done scan_bus: scanning of bus PCI: 00:14.0 took 107720 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 14152 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 14155 usecs PCI: 00:19.1 scanning... scan_generic_bus for PCI: 00:19.1 bus: PCI: 00:19.1[0]->I2C: 03:39 enabled bus: PCI: 00:19.1[0]->I2C: 03:3a enabled bus: PCI: 00:19.1[0]->I2C: 03:1a enabled scan_generic_bus for PCI: 00:19.1 done scan_bus: scanning of bus PCI: 00:19.1 took 22370 usecs PCI: 00:1c.0 scanning... do_pci_scan_bridge for PCI: 00:1c.0 PCI: pci_scan_bus for bus 01 PCI: 01:00.0 [8086/095a] enabled Capability: type 0x01 @ 0xc8 Capability: type 0x05 @ 0xd0 Capability: type 0x10 @ 0x40 Capability: type 0x10 @ 0x40 Enabling Common Clock Configuration L1 Sub-State supported from root port 28 L1 Sub-State Support = 0xf CommonModeRestoreTime = 0x28 Power On Value = 0x1e, Power On Scale = 0x0 ASPM: Enabled L1 Capability: type 0x01 @ 0xc8 Capability: type 0x05 @ 0xd0 Capability: type 0x10 @ 0x40 scan_bus: scanning of bus PCI: 00:1c.0 took 53500 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 11318 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 9266 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 10040 usecs PCI: 00:1f.5 scanning... scan_generic_bus for PCI: 00:1f.5 scan_generic_bus for PCI: 00:1f.5 done scan_bus: scanning of bus PCI: 00:1f.5 took 10046 usecs scan_bus: scanning of bus DOMAIN: 0000 took 465999 usecs root_dev_scan_bus for Root Device done scan_bus: scanning of bus Root Device took 486111 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 825835 exit 39339 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 2114074 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 228 run 139301 exit 20447 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 30940 usecs CPU_CLUSTER: 0 init ... CPU_CLUSTER: 0 init finished in 2444 usecs PCI: 00:00.0 init ... CPU TDP: 5 Watts CPU PL2 = 18 Watts PCI: 00:00.0 init finished in 6983 usecs PCI: 00:02.0 init ... PCI: 00:02.0 init finished in 2251 usecs PCI: 00:04.0 init ... PCI: 00:04.0 init finished in 2249 usecs PCI: 00:08.0 init ... PCI: 00:08.0 init finished in 2250 usecs PCI: 00:14.0 init ... PCI: 00:14.0 init finished in 2248 usecs PCI: 00:14.2 init ... PCI: 00:14.2 init finished in 2250 usecs PCI: 00:15.0 init ... DW I2C bus 0 at 0xd1132000 (400 KHz) PCI: 00:15.0 init finished in 5965 usecs PCI: 00:15.1 init ... DW I2C bus 1 at 0xd1133000 (400 KHz) PCI: 00:15.1 init finished in 5965 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 5966 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 23478 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 23781 usecs PCI: 00:1f.4 init ... PCI: 00:1f.4 init finished in 2259 usecs PCI: 01:00.0 init ... PCI: 01:00.0 init finished in 2390 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 24404 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 2022-08-23 01:25:52 UTC POST: Unexpected post code in previous boot: 0x34 ELOG: Event(A3) added with size 11 at 2022-08-23 01:25:52 UTC ELOG: Event(92) added with size 9 at 2022-08-23 01:25:52 UTC ELOG: Event(9A) added with size 9 at 2022-08-23 01:25:52 UTC ELOG: Event(AD) added with size 10 at 2022-08-23 01:25:52 UTC ELOG: Event(9F) added with size 14 at 2022-08-23 01:25:52 UTC BS: BS_DEV_INIT times (us): entry 0 run 417061 exit 59994 ELOG: Event(A1) added with size 10 at 2022-08-23 01:25:52 UTC elog_add_boot_reason: Logged recovery mode boot (Dev-switch on), reason: 0x1b ELOG: Event(A0) added with size 9 at 2022-08-23 01:25:52 UTC elog_add_boot_reason: Logged dev mode boot Finalize devices... Devices finalized FMAP: area RW_NVRAM found @ 9fa000 (24576 bytes) BS: BS_POST_DEVICE times (us): entry 25562 run 3959 exit 5217 BS: BS_OS_RESUME_CHECK times (us): entry 0 run 56 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 533961 exit 145979 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 634 run 258807 exit 135072 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 7095381/tftp-deploy-xyezpzun/kernel/bzImage 7095381/tftp-deploy-xyezpzun/kernel/cmdline 7095381/tftp-deploy-xyezpzun/ramdisk/ramdisk.cpio.gz tftpboot 192.168.201.1 7095381/tftp-deploy-xyezpzun/kernel/bzImoy-xyezpzun/kernel/cmdline 7095381/tftp-deploy-xyezpzun/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 192.168.201.15 The DHCP server ip is 192.168.201.1 TFTP server IP predefined by user: 192.168.201.1 Bootfile predefined by user: 7095381/tftp-deploy-xyezpzun/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 ###################################################### done. The bootfile was 13548480 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: 7095381/tftp-deploy-xyezpzun/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/7095381/extract-nfsrootfs-hm97fg70,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: 16531006 Starting kernel ... [ 0.000000] Linux version 5.10.137-cip14 (KernelCI@build-j70040-x86-64-gcc-10-x86-64-defconfig-x86-chromebooks2psd) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Tue Aug 23 02:19:39 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/7095381/extract-nfsrootfs-hm97fg70,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 [ 0.000043] last_pfn = 0x17f000 max_arch_pfn = 0x400000000 [ 0.001115] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.005620] last_pfn = 0x7a998 max_arch_pfn = 0x400000000 [ 0.018956] check: Scanning 1 areas for low memory corruption [ 0.018966] Using GB pages for direct mapping [ 0.019402] RAMDISK: [mem 0x377c9000-0x37ffffff] [ 0.019408] ACPI: Early table checksum verification disabled [ 0.019415] ACPI: RSDP 0x00000000000F0000 000024 (v02 CORE ) [ 0.019425] ACPI: XSDT 0x000000007AA9A0E0 00006C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.019438] ACPI: FACP 0x000000007AA9E970 0000F4 (v04 CORE COREBOOT 00000000 CORE 00000000) [ 0.019451] ACPI: DSDT 0x000000007AA9A280 0046E3 (v05 COREv4 COREBOOT 20110725 INTL 20180531) [ 0.019461] ACPI: FACS 0x000000007AA9A240 000040 [ 0.019470] ACPI: FACS 0x000000007AA9A240 000040 [ 0.019478] ACPI: SSDT 0x000000007AA9EA70 000EFA (v02 CORE COREBOOT 0000002A CORE 0000002A) [ 0.019488] ACPI: MCFG 0x000000007AA9F970 00003C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.019498] ACPI: TPM2 0x000000007AA9F9B0 000040 (v04 CORE COREBOOT 00000000 CORE 00000000) [ 0.019507] ACPI: APIC 0x000000007AA9F9F0 00006C (v02 CORE COREBOOT 00000000 CORE 00000000) [ 0.019516] ACPI: NHLT 0x000000007AA9FA60 001B1C (v05 GOOGLE RAMMUS 00000000 CORE 00000000) [ 0.019526] ACPI: DMAR 0x000000007AAA1580 000088 (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.019535] ACPI: DBG2 0x000000007AAA3610 000061 (v00 CORE COREBOOT 00000000 CORE 00000000) [ 0.019544] ACPI: HPET 0x000000007AAA3680 000038 (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.019554] ACPI: Reserving FACP table memory at [mem 0x7aa9e970-0x7aa9ea63] [ 0.019558] ACPI: Reserving DSDT table memory at [mem 0x7aa9a280-0x7aa9e962] [ 0.019561] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] [ 0.019565] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] [ 0.019569] ACPI: Reserving SSDT table memory at [mem 0x7aa9ea70-0x7aa9f969] [ 0.019572] ACPI: Reserving MCFG table memory at [mem 0x7aa9f970-0x7aa9f9ab] [ 0.019576] ACPI: Reserving TPM2 table memory at [mem 0x7aa9f9b0-0x7aa9f9ef] [ 0.019580] ACPI: Reserving APIC table memory at [mem 0x7aa9f9f0-0x7aa9fa5b] [ 0.019583] ACPI: Reserving NHLT table memory at [mem 0x7aa9fa60-0x7aaa157b] [ 0.019587] ACPI: Reserving DMAR table memory at [mem 0x7aaa1580-0x7aaa1607] [ 0.019590] ACPI: Reserving DBG2 table memory at [mem 0x7aaa3610-0x7aaa3670] [ 0.019594] ACPI: Reserving HPET table memory at [mem 0x7aaa3680-0x7aaa36b7] [ 0.019722] No NUMA configuration found [ 0.019726] Faking a node at [mem 0x0000000000000000-0x000000017effffff] [ 0.019734] NODE_DATA(0) allocated [mem 0x17effc000-0x17effffff] [ 0.019769] Zone ranges: [ 0.019773] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.019779] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.019784] Normal [mem 0x0000000100000000-0x000000017effffff] [ 0.019790] Movable zone start for each node [ 0.019793] Early memory node ranges [ 0.019797] node 0: [mem 0x0000000000001000-0x000000000009ffff] [ 0.019801] node 0: [mem 0x0000000000100000-0x000000007a997fff] [ 0.019805] node 0: [mem 0x0000000100000000-0x000000017effffff] [ 0.019810] Initmem setup node 0 [mem 0x0000000000001000-0x000000017effffff] [ 0.019838] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.019874] On node 0, zone DMA: 96 pages in unavailable ranges [ 0.029701] On node 0, zone Normal: 22120 pages in unavailable ranges [ 0.029758] On node 0, zone Normal: 4096 pages in unavailable ranges [ 0.029781] Reserving Intel graphics memory at [mem 0x7c000000-0x7fffffff] [ 0.030124] ACPI: PM-Timer IO Port: 0x1808 [ 0.030174] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-119 [ 0.030185] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 0.030189] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.030201] Using ACPI (MADT) for SMP configuration information [ 0.030205] ACPI: HPET id: 0x8086a701 base: 0xfed00000 [ 0.030212] TSC deadline timer available [ 0.030216] smpboot: Allowing 4 CPUs, 0 hotplug CPUs [ 0.030239] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.030244] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000fffff] [ 0.030249] PM: hibernation: Registered nosave memory: [mem 0x7a998000-0x7affffff] [ 0.030252] PM: hibernation: Registered nosave memory: [mem 0x7b000000-0x7fffffff] [ 0.030256] PM: hibernation: Registered nosave memory: [mem 0x80000000-0xdfffffff] [ 0.030259] PM: hibernation: Registered nosave memory: [mem 0xe0000000-0xe3ffffff] [ 0.030263] PM: hibernation: Registered nosave memory: [mem 0xe4000000-0xfdffffff] [ 0.030266] PM: hibernation: Registered nosave memory: [mem 0xfe000000-0xfe00ffff] [ 0.030269] PM: hibernation: Registered nosave memory: [mem 0xfe010000-0xfed0ffff] [ 0.030273] PM: hibernation: Registered nosave memory: [mem 0xfed10000-0xfed19fff] [ 0.030276] PM: hibernation: Registered nosave memory: [mem 0xfed1a000-0xfed7ffff] [ 0.030279] PM: hibernation: Registered nosave memory: [mem 0xfed80000-0xfed84fff] [ 0.030283] PM: hibernation: Registered nosave memory: [mem 0xfed85000-0xfed8ffff] [ 0.030286] PM: hibernation: Registered nosave memory: [mem 0xfed90000-0xfed91fff] [ 0.030289] PM: hibernation: Registered nosave memory: [mem 0xfed92000-0xffffffff] [ 0.030296] [mem 0x80000000-0xdfffffff] available for PCI devices [ 0.030303] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns [ 0.041300] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:4 nr_node_ids:1 [ 0.041519] percpu: Embedded 59 pages/cpu s200848 r8192 d32624 u524288 [ 0.041578] Built 1 zonelists, mobility grouping on. Total pages: 1006266 [ 0.041582] Policy zone: Normal [ 0.041594] 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/7095381/extract-nfsrootfs-hm97fg70,tcp,hard ip=dhcp tftpserverip=192.168.201.1 [ 0.042022] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) [ 0.042217] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear) [ 0.042289] mem auto-init: stack:off, heap alloc:off, heap free:off [ 0.060384] Memory: 3890428K/4089052K available (18450K kernel code, 3458K rwdata, 5988K rodata, 2032K init, 13308K bss, 198364K reserved, 0K cma-reserved) [ 0.060507] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 [ 0.060555] Kernel/User page tables isolation: enabled [ 0.060623] ftrace: allocating 52740 entries in 207 pages [ 0.104590] ftrace: allocated 207 pages with 6 groups [ 0.104818] Running RCU self tests [ 0.104830] rcu: Hierarchical RCU implementation. [ 0.104833] rcu: RCU event tracing is enabled. [ 0.104837] rcu: RCU lockdep checking is enabled. [ 0.104840] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=4. [ 0.104844] Rude variant of Tasks RCU enabled. [ 0.104847] Tracing variant of Tasks RCU enabled. [ 0.104851] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies. [ 0.104855] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 [ 0.113212] NR_IRQS: 4352, nr_irqs: 1024, preallocated irqs: 16 [ 0.113614] random: crng init done [ 0.113702] Console: colour dummy device 80x25 [ 0.188821] printk: console [ttyS0] enabled [ 0.189188] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.189849] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.190209] ... MAX_LOCK_DEPTH: 48 [ 0.190570] ... MAX_LOCKDEP_KEYS: 8192 [ 0.190952] ... CLASSHASH_SIZE: 4096 [ 0.191334] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.191716] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.192099] ... CHAINHASH_SIZE: 32768 [ 0.192482] memory used by lock dependency info: 6365 kB [ 0.192950] memory used for stack traces: 4224 kB [ 0.193362] per task-struct memory footprint: 1920 bytes [ 0.193891] ACPI: Core revision 20200925 [ 0.194444] hpet: HPET dysfunctional in PC10. Force disabled. [ 0.194943] APIC: Switch to symmetric I/O mode setup [ 0.199405] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x170fff30cc4, max_idle_ns: 440795237869 ns [ 0.200320] Calibrating delay loop (skipped), value calculated using timer frequency.. 3199.92 BogoMIPS (lpj=1599960) [ 0.201224] pid_max: default: 32768 minimum: 301 [ 0.201306] LSM: Security Framework initializing [ 0.201306] SELinux: Initializing. [ 0.201306] LSM support for eBPF active [ 0.201306] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.201306] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.201306] mce: CPU0: Thermal monitoring enabled (TM1) [ 0.201306] process: using mwait in idle threads [ 0.201306] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8 [ 0.201306] Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4 [ 0.201306] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 0.201306] Spectre V2 : Mitigation: IBRS [ 0.201306] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 0.201306] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB on VMEXIT [ 0.201306] RETBleed: Mitigation: IBRS [ 0.201306] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier [ 0.201306] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl and seccomp [ 0.201306] MDS: Vulnerable: Clear CPU buffers attempted, no microcode [ 0.201306] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode [ 0.201306] SRBDS: Vulnerable: No microcode [ 0.201306] ------------[ cut here ]------------ [ 0.201306] missing return thunk: lkdtm_rodata_do_nothing+0x0/0x10-lkdtm_rodata_do_nothing+0x5/0x10: e9 00 00 00 00 [ 0.201306] WARNING: CPU: 0 PID: 0 at arch/x86/kernel/alternative.c:712 apply_returns+0x1f5/0x220 [ 0.201306] Modules linked in: [ 0.201306] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.10.137-cip14 #1 [ 0.201306] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 0.201306] RIP: 0010:apply_returns+0x1f5/0x220 [ 0.201306] Code: c4 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 e8 e9 bf 82 c6 05 c1 48 c4 01 01 e8 c6 8a e5 00 <0f> 0b e9 b9 fe ff ff 44 89 f9 c7 00 cc cc cc cc c7 44 08 fc cc cc [ 0.201306] RSP: 0000:ffffffff82e03de0 EFLAGS: 00010282 [ 0.201306] RAX: 0000000000000000 RBX: ffffffff838d2a04 RCX: 0000000000000000 [ 0.201306] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8157a871 [ 0.201306] RBP: ffffffff828da0a0 R08: 0000000000000001 R09: 0000000000000001 [ 0.201306] R10: ffffffff82e8fb80 R11: 3fffffffffffffff R12: ffffffff838e9bac [ 0.201306] R13: cccccccccccccccc R14: ffffffff828da0a5 R15: 0000000000000004 [ 0.201306] FS: 0000000000000000(0000) GS:ffff91ed3ac00000(0000) knlGS:0000000000000000 [ 0.201306] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 0.201306] CR2: ffff91ecf9801000 CR3: 0000000138026001 CR4: 00000000003706f0 [ 0.201306] Call Trace: [ 0.201306] alternative_instructions+0x7d/0x143 [ 0.201306] check_bugs+0xec1/0xf1d [ 0.201306] start_kernel+0x517/0x54d [ 0.201306] secondary_startup_64_no_verify+0xc2/0xcb [ 0.201306] irq event stamp: 162021 [ 0.201306] hardirqs last enabled at (162029): [] console_unlock+0x4d1/0x5f0 [ 0.201306] hardirqs last disabled at (162036): [] console_unlock+0x444/0x5f0 [ 0.201306] softirqs last enabled at (1836): [] cgroup_idr_alloc.constprop.0+0x5b/0xe0 [ 0.201306] softirqs last disabled at (1834): [] cgroup_idr_alloc.constprop.0+0x2e/0xe0 [ 0.201306] ---[ end trace 639227b05bc38997 ]--- [ 0.201306] # Freeing SMP alternatives memory: 44K [ 0.201306] smpboot: CPU0: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz (family: 0x6, model: 0x8e, stepping: 0x9) [ 0.201968] Performance Events: PEBS fmt3+, Skylake events, 32-deep LBR, full-width counters, Intel PMU driver. [ 0.202321] ... version: 4 [ 0.202678] ... bit width: 48 [ 0.203039] ... generic registers: 4 [ 0.203313] ... value mask: 0000ffffffffffff [ 0.203777] ... max period: 00007fffffffffff [ 0.204238] ... fixed-purpose events: 3 [ 0.204312] ... event mask: 000000070000000f [ 0.205285] rcu: Hierarchical SRCU implementation. [ 0.207180] smp: Bringing up secondary CPUs ... [ 0.208058] x86: Booting SMP configuration: [ 0.208330] .... node #0, CPUs: #1 [ 0.209363] 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. [ 0.210335] 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. [ 0.211991] #2 #3 [ 0.214095] smp: Brought up 1 node, 4 CPUs [ 0.214675] smpboot: Max logical packages: 1 [ 0.215053] smpboot: Total of 4 processors activated (12799.68 BogoMIPS) [ 0.217631] devtmpfs: initialized [ 0.218374] x86/mm: Memory block size: 128MB [ 0.222404] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns [ 0.223325] futex hash table entries: 1024 (order: 5, 131072 bytes, linear) [ 0.224332] pinctrl core: initialized pinctrl subsystem [ 0.225141] PM: RTC time: 01:26:04, date: 2022-08-23 [ 0.225829] NET: Registered protocol family 16 [ 0.226945] audit: initializing netlink subsys (disabled) [ 0.227356] audit: type=2000 audit(1661217964.027:1): state=initialized audit_enabled=0 res=1 [ 0.228023] thermal_sys: Registered thermal governor 'step_wise' [ 0.228094] thermal_sys: Registered thermal governor 'user_space' [ 0.228391] cpuidle: using governor menu [ 0.229462] ACPI: bus type PCI registered [ 0.230168] PCI: MMCONFIG for domain 0000 [bus 00-3f] at [mem 0xe0000000-0xe3ffffff] (base 0xe0000000) [ 0.230321] PCI: MMCONFIG at [mem 0xe0000000-0xe3ffffff] reserved in E820 [ 0.230937] PCI: Using configuration type 1 for base access [ 0.254472] Kprobes globally optimized [ 0.254843] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 0.255326] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 0.256081] cryptomgr_test (38) used greatest stack depth: 14880 bytes left [ 0.258607] ACPI: Added _OSI(Module Device) [ 0.259315] ACPI: Added _OSI(Processor Device) [ 0.259708] ACPI: Added _OSI(3.0 _SCP Extensions) [ 0.260122] ACPI: Added _OSI(Processor Aggregator Device) [ 0.260325] ACPI: Added _OSI(Linux-Dell-Video) [ 0.260720] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 0.261185] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 0.274026] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 0.282539] ACPI: EC: EC started [ 0.282849] ACPI: EC: interrupt blocked [ 0.283975] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.284317] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC used to handle transactions [ 0.284953] ACPI: Interpreter enabled [ 0.285343] ACPI: (supports S0 S3 S4 S5) [ 0.285694] ACPI: Using IOAPIC for interrupt routing [ 0.286206] PCI: Using host bridge windows from ACPI; if necessary, use \"pci=nocrs\" and report a bug [ 0.304231] ACPI: Power Resource [PRIC] (on) [ 0.433513] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 0.434061] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] [ 0.434625] acpi PNP0A08:00: _OSC: OS now controls [PME PCIeCapability LTR] [ 0.435291] acpi PNP0A08:00: [Firmware Info]: MMCONFIG for domain 0000 [bus 00-3f] only partially covers this bridge [ 0.435951] PCI host bridge to bus 0000:00 [ 0.436317] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 0.436904] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 0.437314] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 0.437959] pci_bus 0000:00: root bus resource [mem 0x000c0000-0x000c3fff window] [ 0.438314] pci_bus 0000:00: root bus resource [mem 0x000c4000-0x000c7fff window] [ 0.438959] pci_bus 0000:00: root bus resource [mem 0x000c8000-0x000cbfff window] [ 0.439313] pci_bus 0000:00: root bus resource [mem 0x000cc000-0x000cffff window] [ 0.439959] pci_bus 0000:00: root bus resource [mem 0x000d0000-0x000d3fff window] [ 0.440314] pci_bus 0000:00: root bus resource [mem 0x000d4000-0x000d7fff window] [ 0.440959] pci_bus 0000:00: root bus resource [mem 0x000d8000-0x000dbfff window] [ 0.441313] pci_bus 0000:00: root bus resource [mem 0x000dc000-0x000dffff window] [ 0.441958] pci_bus 0000:00: root bus resource [mem 0x000e0000-0x000e3fff window] [ 0.442314] pci_bus 0000:00: root bus resource [mem 0x000e4000-0x000e7fff window] [ 0.442959] pci_bus 0000:00: root bus resource [mem 0x000e8000-0x000ebfff window] [ 0.443314] pci_bus 0000:00: root bus resource [mem 0x000ec000-0x000effff window] [ 0.443958] pci_bus 0000:00: root bus resource [mem 0x000f0000-0x000fffff window] [ 0.444313] pci_bus 0000:00: root bus resource [mem 0x80000001-0xdfffffff window] [ 0.444958] pci_bus 0000:00: root bus resource [mem 0x800000000-0xbffffffff window] [ 0.445314] pci_bus 0000:00: root bus resource [mem 0xfd000000-0xfe7fffff window] [ 0.445959] pci_bus 0000:00: root bus resource [mem 0xfed40000-0xfed44fff window] [ 0.446314] pci_bus 0000:00: root bus resource [bus 00-ff] [ 0.446879] pci 0000:00:00.0: [8086:590c] type 00 class 0x060000 [ 0.448371] pci 0000:00:02.0: [8086:591c] type 00 class 0x030000 [ 0.448916] pci 0000:00:02.0: reg 0x10: [mem 0xd0000000-0xd0ffffff 64bit] [ 0.449327] pci 0000:00:02.0: reg 0x18: [mem 0xc0000000-0xcfffffff 64bit pref] [ 0.449958] pci 0000:00:02.0: reg 0x20: [io 0x1c00-0x1c3f] [ 0.450991] pci 0000:00:04.0: [8086:1903] type 00 class 0x118000 [ 0.451337] pci 0000:00:04.0: reg 0x10: [mem 0xd1120000-0xd1127fff 64bit] [ 0.452726] pci 0000:00:08.0: [8086:1911] type 00 class 0x088000 [ 0.453273] pci 0000:00:08.0: reg 0x10: [mem 0xd1130000-0xd1130fff 64bit] [ 0.454009] pci 0000:00:14.0: [8086:9d2f] type 00 class 0x0c0330 [ 0.454351] pci 0000:00:14.0: reg 0x10: [mem 0xd1100000-0xd110ffff 64bit] [ 0.455078] pci 0000:00:14.0: PME# supported from D3hot D3cold [ 0.456127] pci 0000:00:14.2: [8086:9d31] type 00 class 0x118000 [ 0.456351] pci 0000:00:14.2: reg 0x10: [mem 0xd1131000-0xd1131fff 64bit] [ 0.457664] pci 0000:00:15.0: [8086:9d60] type 00 class 0x118000 [ 0.458222] pci 0000:00:15.0: reg 0x10: [mem 0xd1132000-0xd1132fff 64bit] [ 0.459178] pci 0000:00:15.1: [8086:9d61] type 00 class 0x118000 [ 0.459359] pci 0000:00:15.1: reg 0x10: [mem 0xd1133000-0xd1133fff 64bit] [ 0.460842] pci 0000:00:19.0: [8086:9d66] type 00 class 0x118000 [ 0.461359] pci 0000:00:19.0: reg 0x10: [mem 0xfe034000-0xfe034fff 64bit] [ 0.461969] pci 0000:00:19.0: reg 0x18: [mem 0xd1135000-0xd1135fff 64bit] [ 0.463148] pci 0000:00:19.1: [8086:9d65] type 00 class 0x118000 [ 0.463359] pci 0000:00:19.1: reg 0x10: [mem 0xd1136000-0xd1136fff 64bit] [ 0.464855] pci 0000:00:1c.0: [8086:9d10] type 01 class 0x060400 [ 0.465511] pci 0000:00:1c.0: PME# supported from D0 D3hot D3cold [ 0.466860] pci 0000:00:1e.0: [8086:9d27] type 00 class 0x118000 [ 0.467358] pci 0000:00:1e.0: reg 0x10: [mem 0xd1137000-0xd1137fff 64bit] [ 0.468820] pci 0000:00:1e.2: [8086:9d29] type 00 class 0x118000 [ 0.469358] pci 0000:00:1e.2: reg 0x10: [mem 0xd1138000-0xd1138fff 64bit] [ 0.470809] pci 0000:00:1e.4: [8086:9d2b] type 00 class 0x080501 [ 0.471352] pci 0000:00:1e.4: reg 0x10: [mem 0xd1139000-0xd1139fff 64bit] [ 0.472906] pci 0000:00:1e.6: [8086:9d2d] type 00 class 0x080501 [ 0.473352] pci 0000:00:1e.6: reg 0x10: [mem 0xd113a000-0xd113afff 64bit] [ 0.474767] pci 0000:00:1f.0: [8086:9d4b] type 00 class 0x060100 [ 0.476121] pci 0000:00:1f.2: [8086:9d21] type 00 class 0x058000 [ 0.476350] pci 0000:00:1f.2: reg 0x10: [mem 0xd1128000-0xd112bfff] [ 0.477700] pci 0000:00:1f.3: [8086:9d71] type 00 class 0x040100 [ 0.478257] pci 0000:00:1f.3: reg 0x10: [mem 0xd112c000-0xd112ffff 64bit] [ 0.478372] pci 0000:00:1f.3: reg 0x20: [mem 0xd1110000-0xd111ffff 64bit] [ 0.479059] pci 0000:00:1f.3: PME# supported from D3hot D3cold [ 0.480123] pci 0000:00:1f.4: [8086:9d23] type 00 class 0x0c0500 [ 0.480379] pci 0000:00:1f.4: reg 0x10: [mem 0xd113c000-0xd113c0ff 64bit] [ 0.481035] pci 0000:00:1f.4: reg 0x20: [io 0xefa0-0xefbf] [ 0.482100] pci 0000:00:1f.5: [8086:9d24] type 00 class 0x000000 [ 0.482345] pci 0000:00:1f.5: reg 0x10: [mem 0xfe010000-0xfe010fff] [ 0.483971] pci 0000:01:00.0: [8086:095a] type 00 class 0x028000 [ 0.484650] pci 0000:01:00.0: reg 0x10: [mem 0xd1000000-0xd1001fff 64bit] [ 0.486306] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold [ 0.488666] pci 0000:00:1c.0: PCI bridge to [bus 01] [ 0.489112] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] [ 0.490683] ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.491615] ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 *10 12 14 15) [ 0.492519] ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.493450] ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.494370] ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.495298] ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.496228] ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.496609] ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.503313] ACPI: EC: interrupt unblocked [ 0.503681] ACPI: EC: event unblocked [ 0.504017] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.504314] ACPI: EC: GPE=0x6e [ 0.504596] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC initialization complete [ 0.505206] ACPI: \_SB_.PCI0.LPCB.EC0_: EC: Used to handle transactions and events [ 0.505734] iommu: Default domain type: Translated [ 0.506440] pci 0000:00:02.0: vgaarb: setting as boot VGA device [ 0.506918] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 0.507345] pci 0000:00:02.0: vgaarb: bridge control possible [ 0.507846] vgaarb: loaded [ 0.508628] SCSI subsystem initialized [ 0.508994] ACPI: bus type USB registered [ 0.509470] usbcore: registered new interface driver usbfs [ 0.510006] usbcore: registered new interface driver hub [ 0.510352] usbcore: registered new device driver usb [ 0.510912] pps_core: LinuxPPS API ver. 1 registered [ 0.511313] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 0.512104] PTP clock support registered [ 0.512545] Advanced Linux Sound Architecture Driver Initialized. [ 0.514263] NetLabel: Initializing [ 0.514313] NetLabel: domain hash size = 128 [ 0.514698] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 0.515257] NetLabel: unlabeled traffic allowed by default [ 0.515428] PCI: Using ACPI for IRQ routing [ 0.523654] clocksource: Switched to clocksource tsc-early [ 0.891441] VFS: Disk quotas dquot_6.6.0 [ 0.891835] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 0.892806] pnp: PnP ACPI init [ 0.893849] system 00:00: [mem 0xfed10000-0xfed17fff] has been reserved [ 0.894447] system 00:00: [mem 0xfed18000-0xfed18fff] has been reserved [ 0.895024] system 00:00: [mem 0xfed19000-0xfed19fff] has been reserved [ 0.895614] system 00:00: [mem 0xe0000000-0xe3ffffff] has been reserved [ 0.896190] system 00:00: [mem 0xfed20000-0xfed3ffff] has been reserved [ 0.896780] system 00:00: [mem 0xfed90000-0xfed93fff] could not be reserved [ 0.897399] system 00:00: [mem 0xfed45000-0xfed8ffff] could not be reserved [ 0.898003] system 00:00: [mem 0xff000000-0xffffffff] has been reserved [ 0.898592] system 00:00: [mem 0xfee00000-0xfeefffff] has been reserved [ 0.899167] system 00:00: [mem 0xfed00000-0xfed003ff] has been reserved [ 0.900643] system 00:01: [io 0x1800-0x18fe] has been reserved [ 0.901540] system 00:03: [io 0x0900-0x09fe] has been reserved [ 0.902291] system 00:04: [io 0x0200] has been reserved [ 0.902778] system 00:04: [io 0x0204] has been reserved [ 0.903246] system 00:04: [io 0x0800-0x087f] has been reserved [ 0.903777] system 00:04: [io 0x0880-0x08ff] has been reserved [ 0.906702] pnp: PnP ACPI: found 6 devices [ 0.920954] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 0.921845] NET: Registered protocol family 2 [ 0.922393] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear) [ 0.924509] tcp_listen_portaddr_hash hash table entries: 2048 (order: 5, 163840 bytes, linear) [ 0.925450] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear) [ 0.926346] TCP bind hash table entries: 32768 (order: 9, 2359296 bytes, linear) [ 0.928658] TCP: Hash tables configured (established 32768 bind 32768) [ 0.929521] MPTCP token hash table entries: 4096 (order: 6, 360448 bytes, linear) [ 0.930436] UDP hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 0.931259] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 0.932241] NET: Registered protocol family 1 [ 0.933268] RPC: Registered named UNIX socket transport module. [ 0.933829] RPC: Registered udp transport module. [ 0.934245] RPC: Registered tcp transport module. [ 0.934670] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 0.935767] NET: Registered protocol family 44 [ 0.936178] pci 0000:00:1c.0: PCI bridge to [bus 01] [ 0.936650] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] [ 0.937247] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 0.937795] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 0.938399] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 0.938993] pci_bus 0000:00: resource 7 [mem 0x000c0000-0x000c3fff window] [ 0.939601] pci_bus 0000:00: resource 8 [mem 0x000c4000-0x000c7fff window] [ 0.940197] pci_bus 0000:00: resource 9 [mem 0x000c8000-0x000cbfff window] [ 0.940803] pci_bus 0000:00: resource 10 [mem 0x000cc000-0x000cffff window] [ 0.941419] pci_bus 0000:00: resource 11 [mem 0x000d0000-0x000d3fff window] [ 0.942022] pci_bus 0000:00: resource 12 [mem 0x000d4000-0x000d7fff window] [ 0.942634] pci_bus 0000:00: resource 13 [mem 0x000d8000-0x000dbfff window] [ 0.943238] pci_bus 0000:00: resource 14 [mem 0x000dc000-0x000dffff window] [ 0.943850] pci_bus 0000:00: resource 15 [mem 0x000e0000-0x000e3fff window] [ 0.944467] pci_bus 0000:00: resource 16 [mem 0x000e4000-0x000e7fff window] [ 0.945069] pci_bus 0000:00: resource 17 [mem 0x000e8000-0x000ebfff window] [ 0.945681] pci_bus 0000:00: resource 18 [mem 0x000ec000-0x000effff window] [ 0.946284] pci_bus 0000:00: resource 19 [mem 0x000f0000-0x000fffff window] [ 0.946899] pci_bus 0000:00: resource 20 [mem 0x80000001-0xdfffffff window] [ 0.947515] pci_bus 0000:00: resource 21 [mem 0x800000000-0xbffffffff window] [ 0.948133] pci_bus 0000:00: resource 22 [mem 0xfd000000-0xfe7fffff window] [ 0.948746] pci_bus 0000:00: resource 23 [mem 0xfed40000-0xfed44fff window] [ 0.949362] pci_bus 0000:01: resource 1 [mem 0xd1000000-0xd10fffff] [ 0.950359] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 0.953021] PCI: CLS 64 bytes, default 64 [ 0.953746] Unpacking initramfs... [ 1.214782] Freeing initrd memory: 8412K [ 1.215262] DMAR: Host address width 39 [ 1.215669] DMAR: DRHD base: 0x000000fed90000 flags: 0x0 [ 1.216192] DMAR: dmar0: reg_base_addr fed90000 ver 1:0 cap 1c0000c40660462 ecap 19e2ff0505e [ 1.216931] DMAR: RMRR base: 0x0000007b800000 end: 0x0000007fffffff [ 1.217591] DMAR: DRHD base: 0x000000fed91000 flags: 0x1 [ 1.218073] DMAR: dmar1: reg_base_addr fed91000 ver 1:0 cap d2008c40660462 ecap f050da [ 1.218859] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 1.219434] software IO TLB: mapped [mem 0x0000000076998000-0x000000007a998000] (64MB) [ 1.220336] RAPL PMU: API unit is 2^-32 Joules, 5 fixed counters, 655360 ms ovfl timer [ 1.221017] RAPL PMU: hw unit of domain pp0-core 2^-14 Joules [ 1.221536] RAPL PMU: hw unit of domain package 2^-14 Joules [ 1.222029] RAPL PMU: hw unit of domain dram 2^-14 Joules [ 1.222511] RAPL PMU: hw unit of domain pp1-gpu 2^-14 Joules [ 1.223003] RAPL PMU: hw unit of domain psys 2^-14 Joules [ 1.225177] kvm: already loaded the other module [ 1.229705] check: Scanning for low memory corruption every 60 seconds [ 1.233393] Initialise system trusted keyrings [ 1.234014] workingset: timestamp_bits=56 max_order=20 bucket_order=0 [ 1.254289] NFS: Registering the id_resolver key type [ 1.254805] Key type id_resolver registered [ 1.255198] Key type id_legacy registered [ 1.271641] Key type asymmetric registered [ 1.272030] Asymmetric key parser 'x509' registered [ 1.272529] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249) [ 1.273181] io scheduler mq-deadline registered [ 1.273594] io scheduler kyber registered [ 1.274159] test_firmware: interface ready [ 1.276048] pcieport 0000:00:1c.0: PME: Signaling with IRQ 120 [ 1.277813] ACPI: AC Adapter [AC] (on-line) [ 1.278561] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/PNP0C0D:00/input/input0 [ 1.280192] ACPI: Lid Switch [LID0] [ 1.280777] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input1 [ 1.281661] ACPI: Power Button [PWRF] [ 1.282332] ACPI: \_PR_.CP00: Found 3 idle states [ 1.283527] ACPI: \_PR_.CP01: Found 3 idle states [ 1.284550] ACPI: \_PR_.CP02: Found 3 idle states [ 1.285542] ACPI: \_PR_.CP03: Found 3 idle states [ 1.286958] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 1.290450] hpet_acpi_add: no address or irqs in _CRS [ 1.291171] Non-volatile memory driver v1.3 [ 1.291770] Linux agpgart interface v0.103 [ 1.291824] battery: ACPI: Battery Slot [BAT0] (battery present) [ 1.295089] i915 0000:00:02.0: vgaarb: deactivate vga console [ 1.347852] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem [ 1.349222] i915 0000:00:02.0: Direct firmware load for i915/kbl_dmc_ver1_04.bin failed with error -2 [ 1.350177] i915 0000:00:02.0: [drm] Failed to load DMC firmware i915/kbl_dmc_ver1_04.bin. Disabling runtime power management. [ 1.351400] i915 0000:00:02.0: [drm] DMC firmware homepage: https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/tree/i915 [ 1.381764] [drm] Initialized i915 1.6.0 20200917 for 0000:00:02.0 on minor 0 [ 1.386305] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 1 [ 1.408275] loop: module loaded [ 1.409587] lkdtm: No crash points registered, enable through debugfs [ 1.437888] printk: console [ttyS0] disabled [ 1.439132] dw-apb-uart.2: ttyS0 at MMIO 0xfe034000 (irq = 32, base_baud = 115200) is a 16550A [ 2.279477] tsc: Refined TSC clocksource calibration: 1607.999 MHz [ 2.303513] printk: console [ttyS0] enabled [ 2.312382] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x172da94f0e2, max_idle_ns: 440795278248 ns [ 2.340346] dw-apb-uart.4: ttyS1 at MMIO 0xd1137000 (irq = 20, base_baud = 115200) is a 16550A [ 4.879939] clocksource: Switched to clocksource tsc [ 4.880083] fbcon: i915drmfb (fb0) is primary device [ 4.882169] pxa2xx-spi pxa2xx-spi.5: no DMA channels available, using PIO [ 4.889984] e100: Intel(R) PRO/100 Network Driver [ 4.889987] e100: Copyright(c) 1999-2006 Intel Corporation [ 4.890045] e1000: Intel(R) PRO/1000 Network Driver [ 4.890047] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 4.890120] e1000e: Intel(R) PRO/1000 Network Driver [ 4.890122] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 4.890198] sky2: driver version 1.30 [ 4.890516] usbcore: registered new interface driver r8152 [ 4.890938] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 4.890960] ehci-pci: EHCI PCI platform driver [ 4.891020] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 4.891044] ohci-pci: OHCI PCI platform driver [ 4.891100] uhci_hcd: USB Universal Host Controller Interface driver [ 4.892223] tpm_tis_spi spi-PRP0001:00: TPM ready IRQ confirmed on attempt 2 [ 4.892293] xhci_hcd 0000:00:14.0: xHCI Host Controller [ 4.893133] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 1 [ 4.894521] xhci_hcd 0000:00:14.0: hcc params 0x200077c1 hci version 0x100 quirks 0x0000000081109810 [ 4.894580] xhci_hcd 0000:00:14.0: cache line size of 64 is not supported [ 4.896638] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10 [ 4.896659] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 4.896665] usb usb1: Product: xHCI Host Controller [ 4.896670] usb usb1: Manufacturer: Linux 5.10.137-cip14 xhci-hcd [ 4.896675] usb usb1: SerialNumber: 0000:00:14.0 [ 4.898181] hub 1-0:1.0: USB hub found [ 4.898347] hub 1-0:1.0: 12 ports detected [ 4.901893] xhci_hcd 0000:00:14.0: xHCI Host Controller [ 4.902252] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 2 [ 4.902262] xhci_hcd 0000:00:14.0: Host supports USB 3.0 SuperSpeed [ 4.902583] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.10 [ 4.902590] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 4.902593] usb usb2: Product: xHCI Host Controller [ 4.902596] usb usb2: Manufacturer: Linux 5.10.137-cip14 xhci-hcd [ 4.902599] usb usb2: SerialNumber: 0000:00:14.0 [ 4.903714] hub 2-0:1.0: USB hub found [ 4.903829] hub 2-0:1.0: 6 ports detected [ 4.905719] usbcore: registered new interface driver usblp [ 4.905782] usbcore: registered new interface driver usb-storage [ 4.906169] udc-core: couldn't find an available UDC - added [g_ether] to list of pending drivers [ 4.906357] i8042: PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1 [ 4.906360] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp [ 4.907022] i8042: Warning: Keylock active [ 4.907260] serio: i8042 KBD port at 0x60,0x64 irq 1 [ 4.909180] rtc_cmos 00:02: RTC can wake from S4 [ 4.911182] rtc_cmos 00:02: registered as rtc0 [ 4.911401] rtc_cmos 00:02: alarms up to one month, 242 bytes nvram [ 4.911797] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input2 [ 4.913535] i801_smbus 0000:00:1f.4: SPD Write Disable is set [ 4.913579] i801_smbus 0000:00:1f.4: SMBus using PCI interrupt [ 4.913961] tpm_tis_spi spi-PRP0001:00: 2.0 TPM (device-id 0x28, rev-id 0) [ 4.914550] i2c i2c-9: 2/2 memory slots populated (from DMI) [ 4.916148] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com [ 4.916187] intel_pstate: Intel P-state driver initializing [ 4.917036] intel_pstate: HWP enabled [ 4.917077] sdhci: Secure Digital Host Controller Interface driver [ 4.917078] sdhci: Copyright(c) Pierre Ossman [ 4.917130] sdhci-pci 0000:00:1e.4: SDHCI controller found [8086:9d2b] (rev 21) [ 4.917535] Console: switching to colour frame buffer device 240x67 [ 4.918328] mmc0: SDHCI controller on PCI [0000:00:1e.4] using ADMA 64-bit [ 4.918510] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 4.919971] hid: raw HID events driver (C) Jiri Kosina [ 4.920594] usbcore: registered new interface driver usbhid [ 4.920595] usbhid: USB HID core driver [ 4.921077] input: Tablet Mode Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/GOOG0006:00/input/input3 [ 4.926298] cros_ec_lpcs GOOG0004:00: Chrome EC device registered [ 4.927005] snd_hda_intel 0000:00:1f.3: DSP detected with PCI class/subclass/prog-if info 0x040100 [ 4.932052] i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device [ 4.938525] snd_hda_intel 0000:00:1f.3: bound 0000:00:02.0 (ops i915_audio_component_bind_ops) [ 4.938656] ipip: IPv4 and MPLS over IPv4 tunneling driver [ 4.939025] gre: GRE over IPv4 demultiplexor driver [ 4.939026] ip_gre: GRE over IPv4 tunneling driver [ 4.940009] IPv4 over IPsec tunneling driver [ 4.940325] Initializing XFRM netlink socket [ 4.940976] NET: Registered protocol family 10 [ 4.941998] Segment Routing with IPv6 [ 4.942787] ip6_gre: GRE over IPv6 tunneling driver [ 4.943131] NET: Registered protocol family 17 [ 4.943248] Key type dns_resolver registered [ 5.024026] 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 [ 5.045022] snd_hda_intel 0000:00:1f.3: Cannot probe codecs, giving up [ 5.054884] microcode: sig=0x806e9, pf=0x10, revision=0x98 [ 5.478656] microcode: Microcode Update Driver: v2.2. [ 5.478662] IPI shorthand broadcast: enabled [ 5.489178] sched_clock: Marking stable (5402419260, 86725138)->(5585794942, -96650544) [ 5.498499] registered taskstats version 1 [ 5.503091] Loading compiled-in X.509 certificates [ 5.510739] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.520911] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.530568] PM: Magic number: 2:219:408 [ 5.531339] usb 1-3: new full-speed USB device number 2 using xhci_hcd [ 5.542517] printk: console [netcon0] enabled [ 5.547401] netconsole: network logging started [ 5.553064] IP-Config: Failed to open gretap0 [ 5.558011] IP-Config: Failed to open erspan0 [ 5.562888] IP-Config: No network devices available [ 5.568368] cfg80211: Loading compiled-in X.509 certificates for regulatory database [ 5.579915] modprobe (100) used greatest stack depth: 14208 bytes left [ 5.583594] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' [ 5.587250] modprobe (101) used greatest stack depth: 14120 bytes left [ 5.598020] mmc0: new HS400 MMC card at address 0001 [ 5.602138] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 [ 5.607661] ALSA device list: [ 5.608368] mmcblk0: mmc0:0001 DA4064 58.2 GiB [ 5.608502] mmcblk0boot0: mmc0:0001 DA4064 partition 1 4.00 MiB [ 5.608619] mmcblk0boot1: mmc0:0001 DA4064 partition 2 4.00 MiB [ 5.608794] mmcblk0rpmb: mmc0:0001 DA4064 partition 3 16.0 MiB, chardev (246:0) [ 5.613063] mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12 [ 5.617206] cfg80211: failed to load regulatory.db [ 5.618601] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.620519] No soundcards found. [ 5.671051] dw-apb-uart dw-apb-uart.2: forbid DMA for kernel console [ 5.672621] usb 1-3: New USB device found, idVendor=8087, idProduct=0a2a, bcdDevice= 0.03 [ 5.687358] usb 1-3: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 5.696085] Freeing unused kernel image (initmem) memory: 2032K [ 5.698073] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.723587] Write protecting the kernel read-only data: 26624k [ 5.731317] Freeing unused kernel image (text/rodata gap) memory: 2028K [ 5.738962] Freeing unused kernel image (rodata/data gap) memory: 156K [ 5.746305] Run /init as init process Loading, please wait... Starting version 247.3-7 [ 5.768426] systemd-udevd (123) used greatest stack depth: 13800 bytes left [ 5.787425] usb 2-3: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 5.808404] usb 2-3: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=31.00 [ 5.817684] usb 2-3: New USB device strings: Mfr=1, Product=2, SerialNumber=6 [ 5.825682] usb 2-3: Product: USB 10/100/1000 LAN [ 5.830961] usb 2-3: Manufacturer: Realtek [ 5.831263] udevadm (125) used greatest stack depth: 13576 bytes left [ 5.835555] usb 2-3: SerialNumber: 001000001 [ 5.854772] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.921338] usb 1-9: new high-speed USB device number 3 using xhci_hcd [ 6.002211] cros-usbpd-notify-acpi GOOG0003:00: Couldn't get Chrome EC device pointer. [ 6.011212] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.038477] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.086786] usb 1-9: New USB device found, idVendor=13d3, idProduct=56d4, bcdDevice=18.07 [ 6.095978] usb 1-9: New USB device strings: Mfr=3, Product=1, SerialNumber=2 [ 6.103980] usb 1-9: Product: USB2.0 HD UVC WebCam [ 6.109357] usb 1-9: Manufacturer: Azurewave [ 6.114147] usb 1-9: SerialNumber: 0x0001 [ 6.119634] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.130462] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.141055] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.154479] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.165066] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.179146] usb 2-3: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 6.203762] r8152 2-3:1.0: Direct firmware load for rtl_nic/rtl8153b-2.fw failed with error -2 [ 6.213477] r8152 2-3:1.0: unable to load firmware patch rtl_nic/rtl8153b-2.fw (-2) [ 6.252078] r8152 2-3:1.0 eth0: v1.11.11 [ 6.257210] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.290047] r8152 2-3:1.0 enx00e04c680bd9: renamed from eth0 [ 6.311902] udevadm (143) 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: enx00e04c680bd9 hardware address 00:e0:4c:68:0b:d9 mtu 1500 DHCP 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: no response after 2 secs - giving up IP-Config: enx00e04c680bd9 hardware address 00:e0:4c:68:0b:d9 mtu 1500 DHCP 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 [ 9.300290] IPv6: ADDRCONF(NETDEV_CHANGE): enx00e04c680bd9: link becomes ready [ 9.308825] r8152 2-3:1.0 enx00e04c680bd9: carrier on IP-Config: enx00e04c680bd9 complete (dhcp from 192.168.201.1): address: 192.168.201.15 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 : [ 10.589875] nfsmount (164) used greatest stack depth: 12688 bytes left done. Begin: Running /scripts/nfs-bottom ... done. Begin: Running /scripts/init-bottom ... done. SELinux: Could not open policy file <= /etc/selinux/targeted/policy/policy.33: No such file or directory [ 10.921521] systemd[1]: systemd 247.3-7 running in system mode. (+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 +ZSTD +SECCOMP +BLKID +ELFUTILS +KMOD +IDN2 -IDN +PCRE2 default-hierarchy=unified) [ 10.959587] systemd[1]: Detected architecture x86-64. Welcome to [1mDebian GNU/Linux 11 (bullseye)[0m! [ 10.981131] systemd[1]: Set hostname to . [ 11.345539] systemd[1]: Queued start job for default target Graphical Interface. [ 11.355910] systemd[1]: Created slice system-getty.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-getty.slice[0m. [ 11.373044] systemd[1]: Created slice system-modprobe.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-modprobe.slice[0m. [ 11.389071] systemd[1]: Created slice system-serial\x2dgetty.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-serial\x2dgetty.slice[0m. [ 11.405929] systemd[1]: Created slice User and Session Slice. [[0;32m OK [0m] Created slice [0;1;39mUser and Session Slice[0m. [ 11.421879] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [[0;32m OK [0m] Started [0;1;39mDispatch Password …ts to Console Directory Watch[0m. [ 11.440857] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [[0;32m OK [0m] Started [0;1;39mForward Password R…uests to Wall Directory Watch[0m. [ 11.462462] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point. [[0;32m OK [0m] Set up automount [0;1;39mArbitrary…s File System Automount Point[0m. [ 11.482715] systemd[1]: Reached target Local Encrypted Volumes. [[0;32m OK [0m] Reached target [0;1;39mLocal Encrypted Volumes[0m. [ 11.498601] systemd[1]: Reached target Paths. [[0;32m OK [0m] Reached target [0;1;39mPaths[0m. [ 11.509569] systemd[1]: Reached target Remote File Systems. [[0;32m OK [0m] Reached target [0;1;39mRemote File Systems[0m. [ 11.525664] systemd[1]: Reached target Slices. [[0;32m OK [0m] Reached target [0;1;39mSlices[0m. [ 11.536574] systemd[1]: Reached target Swap. [[0;32m OK [0m] Reached target [0;1;39mSwap[0m. [ 11.547874] systemd[1]: Listening on initctl Compatibility Named Pipe. [[0;32m OK [0m] Listening on [0;1;39minitctl Compatibility Named Pipe[0m. [ 11.565551] systemd[1]: Listening on Journal Audit Socket. [[0;32m OK [0m] Listening on [0;1;39mJournal Audit Socket[0m. [ 11.582561] systemd[1]: Listening on Journal Socket (/dev/log). [[0;32m OK [0m] Listening on [0;1;39mJournal Socket (/dev/log)[0m. [ 11.599138] systemd[1]: Listening on Journal Socket. [[0;32m OK [0m] Listening on [0;1;39mJournal Socket[0m. [ 11.614561] systemd[1]: Listening on Network Service Netlink Socket. [[0;32m OK [0m] Listening on [0;1;39mNetwork Service Netlink Socket[0m. [ 11.632683] systemd[1]: Listening on udev Control Socket. [[0;32m OK [0m] Listening on [0;1;39mudev Control Socket[0m. [ 11.649012] systemd[1]: Listening on udev Kernel Socket. [[0;32m OK [0m] Listening on [0;1;39mudev Kernel Socket[0m. [ 11.666577] systemd[1]: Mounting Huge Pages File System... Mounting [0;1;39mHuge Pages File System[0m... [ 11.683132] systemd[1]: Mounting POSIX Message Queue File System... Mounting [0;1;39mPOSIX Message Queue File System[0m... [ 11.703762] systemd[1]: Mounting Kernel Debug File System... Mounting [0;1;39mKernel Debug File System[0m... [ 11.720142] systemd[1]: Mounting Kernel Trace File System... Mounting [0;1;39mKernel Trace File System[0m... [ 11.738027] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting [0;1;39mCreate list of st…odes for the current kernel[0m... [ 11.759397] systemd[1]: Starting Load Kernel Module configfs... Starting [0;1;39mLoad Kernel Module configfs[0m... [ 11.774399] systemd[1]: Starting Load Kernel Module drm... Starting [0;1;39mLoad Kernel Module drm[0m... [ 11.790396] systemd[1]: Starting Load Kernel Module fuse... Starting [0;1;39mLoad Kernel Module fuse[0m... [ 11.806640] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. [ 11.817243] fuse: init (API version 7.32) [ 11.823629] systemd[1]: Starting Journal Service... Starting [0;1;39mJournal Service[0m... [ 11.840528] systemd[1]: Starting Load Kernel Modules... Starting [0;1;39mLoad Kernel Modules[0m... [ 11.856843] systemd[1]: Starting Remount Root and Kernel File Systems... Starting [0;1;39mRemount Root and Kernel File Systems[0m... [ 11.875283] systemd[1]: Starting Coldplug All udev Devices... Starting [0;1;39mColdplug All udev Devices[0m... [ 11.894668] systemd[1]: Mounted Huge Pages File System. [[0;32m OK [0m] Mounted [0;1;39mHuge Pages File System[0m. [ 11.909687] systemd[1]: Mounted POSIX Message Queue File System. [[0;32m OK [0m] Mounted [0;1;39mPOSIX Message Queue File System[0m. [ 11.925661] systemd[1]: Mounted Kernel Debug File System. [[0;32m OK [0m] Mounted [0;1;39mKernel Debug File System[0m. [ 11.940669] systemd[1]: Mounted Kernel Trace File System. [[0;32m OK [0m] Mounted [0;1;39mKernel Trace File System[0m. [ 11.956626] systemd[1]: Finished Create list of static device nodes for the current kernel. [[0;32m OK [0m] Finished [0;1;39mCreate list of st… nodes for the current kernel[0m. [ 11.976436] systemd[1]: modprobe@configfs.service: Succeeded. [ 11.983474] systemd[1]: Finished Load Kernel Module configfs. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module configfs[0m. [ 11.999143] systemd[1]: modprobe@drm.service: Succeeded. [ 12.005726] systemd[1]: Finished Load Kernel Module drm. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module drm[0m. [ 12.021910] 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... [ 12.120105] systemd-journald[199]: 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. Starting [0;1;39mCreate Static Device Nodes in /dev[0m... [[0;32m OK [0m] Finished [0;1;39mFlush Journal to Persistent Storage[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;39mUpdate UTMP about System Boot/Shutdown[0m... [[0;32m OK [0m] Finished [0;1;39mUpdate UTMP about System Boot/Shutdown[0m. [[0;32m OK [0m] Reached target [0;1;39mSystem Initialization[0m. [[0;32m OK [0m] Started [0;1;39mDaily apt download activities[0m. [[0;32m OK [0m] Started [0;1;39mDaily apt upgrade and clean activities[0m. [[0;32m OK [0m] Started [0;1;39mPeriodic ext4 Onli…ata Check for All Filesystems[0m. [[0;32m OK [0m] Started [0;1;39mDiscard unused blocks once a week[0m. [[0;32m OK [0m] Started [0;1;39mDaily Cleanup of Temporary Directories[0m. [[0;32m OK [0m] Reached target [0;1;39mTimers[0m. [[0;32m OK [0m] Listening on [0;1;39mD-Bus System Message Bus Socket[0m. [[0;32m OK [0m] Reached target [0;1;39mSockets[0m. [[0;32m OK [0m] Reached target [0;1;39mBasic System[0m. [[0;32m OK [0m] Started [0;1;39mD-Bus System Message Bus[0m. Starting [0;1;39mRemove Stale Onli…t4 Metadata Check Snapshots[0m... Starting [0;1;39mUser Login Management[0m... [[0;32m OK [0m] Started [0;1;39mNetwork Service[0m. [[0;32m OK [0m] Found device [0;1;39mSunrise Point-LP Serial IO UART Controller[0m. [[0;32m OK [0m] Finished [0;1;39mRemove Stale Onli…ext4 Metadata Check Snapshots[0m. [[0;32m OK [0m] Started [0;1;39mUser Login Management[0m. [[0;32m OK [0m] Created slice [0;1;39msystem-systemd\x2dbacklight.slice[0m. [[0;32m OK [0m] Listening on [0;1;39mLoad/Save RF …itch Status /dev/rfkill Watch[0m. Starting [0;1;39mLoad/Save Screen …f backlight:intel_backlight[0m... Starting [0;1;39mNetwork Name Resolution[0m... [[0;32m OK [0m] Finished [0;1;39mLoad/Save Screen … of backlight:intel_backlight[0m. [[0;32m OK [0m] Started [0;1;39mNetwork Name Resolution[0m. [[0;32m OK [0m] Reached target [0;1;39mNetwork[0m. [[0;32m OK [0m] Reached target [0;1;39mHost and Network Name Lookups[0m. Starting [0;1;39mPermit User Sessions[0m... [[0;32m OK [0m] Finished [0;1;39mPermit User Sessions[0m. [[0;32m OK [0m] Started [0;1;39mGetty on tty1[0m. [[0;32m OK [0m] Started [0;1;39mSerial Getty on ttyS0[0m. [[0;32m OK [0m] Reached target [0;1;39mLogin Prompts[0m. [[0;32m OK [0m] Reached target [0;1;39mMulti-User System[0m. [[0;32m OK [0m] Reached target [0;1;39mGraphical Interface[0m. Starting [0;1;39mUpdate UTMP about System Runlevel Changes[0m... [[0;32m OK [0m] Finished [0;1;39mUpdate UTMP about System Runlevel Changes[0m. Debian GNU/Linux 11 debian-bullseye-amd64 ttyS0 debian-bullseye-amd64 login: root (automatic login) [ 13.703695] sh (268) used greatest stack depth: 12528 bytes left Linux debian-bullseye-amd64 5.10.137-cip14 #1 SMP Tue Aug 23 02:19:39 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/7095381/extract-nfsrootfs-hm97fg70' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/7095381/extract-nfsrootfs-hm97fg70' / # 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-7095381/environment . /lava-7095381/environment / # /lava-7095381/bin/lava-test-runner /lava-7095381/0 /lava-7095381/bin/lava-test-runner /lava-7095381/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-7095381/0/tests/0_timesync-off ++ cat uuid + UUID=7095381_1.5.2.3.1 + set +x + systemctl stop systemd-timesyncd Failed to stop systemd-timesyncd.service: Unit systemd-timesyncd.service not loaded. + true + set +x + export TESTRUN_ID=1_kselftest-lkdtm + TESTRUN_ID=1_kselftest-lkdtm + cd /lava-7095381/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=7095381_1.5.2.3.5 + set +x + cd ./automated/linux/kselftest/ + ./kselftest.sh -c lkdtm -T '' -t kselftest_armhf.tar.gz -s false -u http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.136-cip14-542-g97767707d3d0/x86_64/x86_64_defconfig+x86-chromebook+kselftest/gcc-10/kselftest.tar.xz -L '' -S skipfile-lkft.yaml -b asus-C433TA-AJ0005-rammus -g cip-gitlab -e '' -p /opt/kselftests/mainline/ INFO: Generating a skipfile based on /lava-7095381/0/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. --2022-08-23 01:26:22-- http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.136-cip14-542-g97767707d3d0/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: 3572564 (3.4M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 1%[ ] 50.15K 174KB/s kselftest.tar.xz 6%[> ] 219.84K 381KB/s kselftest.tar.xz 16%[==> ] 592.22K 680KB/s kselftest.tar.xz 31%[=====> ] 1.08M 957KB/s kselftest.tar.xz 42%[=======> ] 1.46M 1.00MB/s kselftest.tar.xz 54%[=========> ] 1.85M 1.06MB/s kselftest.tar.xz 65%[============> ] 2.24M 1.16MB/s kselftest.tar.xz 72%[=============> ] 2.45M 1.13MB/s kselftest.tar.xz 83%[===============> ] 2.85M 1.15MB/s kselftest.tar.xz 94%[=================> ] 3.21M 1.18MB/s kselftest.tar.xz 98%[==================> ] 3.37M 1.16MB/s kselftest.tar.xz 100%[===================>] 3.41M 1.17MB/s in 2.9s 2022-08-23 01:26:25 (1.17 MB/s) - 'kselftest.tar.xz' saved [3572564/3572564] tar: ./timens/timens: time stamp 2022-08-23 02:26:51 is 3625.093441533 s in the future tar: ./timens/gettime_perf: time stamp 2022-08-23 02:26:51 is 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./netfilter/conntrack_vrf.sh: time stamp 2022-08-23 01:38:52 is 739.609186843 s in the future tar: ./netfilter/nf-queue: time stamp 2022-08-23 02:26:47 is 3614.605978378 s in the future tar: ./netfilter/conntrack_icmp_related.sh: time stamp 2022-08-23 01:38:52 is 739.602791755 s in the future tar: ./netfilter: time stamp 2022-08-23 02:27:02 is 3629.601148231 s in the future tar: .: time stamp 2022-08-23 02:27:04 is 3631.599238396 s in the future skiplist: ======================================== breakpoints:breakpoint_test breakpoints:step_after_suspend_test ftrace:ftracetest net:rtnetlink.sh net:tls netfilter:bridge_brouter.sh netfilter:nft_flowtable.sh netfilter:nft_trans_stress.sh pidfd:pidfd_wait ======================================== [ 29.352679] 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 [ 29.492637] lkdtm: Performing direct entry BUG [ 29.497683] ------------[ cut here ]------------ [ 29.502862] kernel BUG at drivers/misc/lkdtm/bugs.c:76! [ 29.508725] invalid opcode: 0000 [#1] SMP PTI [ 29.513596] CPU: 3 PID: 725 Comm: cat Tainted: G W 5.10.137-cip14 #1 [ 29.522150] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 29.528959] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 29.533341] Code: 89 ff e8 4e bb 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 50 e4 72 02 [ 29.554315] RSP: 0018:ffff9aed8146fe60 EFLAGS: 00010286 [ 29.560174] RAX: ffffffff81cde0c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 29.568144] RDX: 0000000000000000 RSI: ffff91ed3ad9bf70 RDI: ffffffff828d9c10 [ 29.576114] RBP: ffffffff82d1b910 R08: 0000000000000001 R09: 0000000000000001 [ 29.584085] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 29.592054] R13: ffff9aed8146ff10 R14: ffff9aed8146ff10 R15: ffff91ecc4eb9000 [ 29.600025] FS: 00007f0af7e99580(0000) GS:ffff91ed3ad80000(0000) knlGS:0000000000000000 [ 29.609057] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 29.615474] CR2: 00007f0af7cb2000 CR3: 0000000103322006 CR4: 00000000003706e0 [ 29.623436] Call Trace: [ 29.626165] direct_entry.cold+0x2c/0x38 [ 29.630543] full_proxy_write+0x53/0x80 [ 29.634831] vfs_write+0xe7/0x3a0 [ 29.638535] ksys_write+0x68/0xf0 [ 29.642235] do_syscall_64+0x30/0x40 [ 29.646226] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 29.651867] RIP: 0033:0x7f0af7dc1f33 [ 29.655847] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 29.676822] RSP: 002b:00007fffbfab60b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 29.685278] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f0af7dc1f33 [ 29.693250] RDX: 0000000000000004 RSI: 00007f0af7cb2000 RDI: 0000000000000001 [ 29.701221] RBP: 00007f0af7cb2000 R08: 00007f0af7cb1010 R09: 0000000000000000 [ 29.709193] R10: 00007f0af7ebc1c0 R11: 0000000000000246 R12: 0000000000000001 [ 29.717162] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 29.725138] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 29.751593] ---[ end trace 639227b05bc38999 ]--- [ 29.756762] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 29.761150] Code: 89 ff e8 4e bb 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 50 e4 72 02 [ 29.782166] RSP: 0018:ffff9aed8146fe60 EFLAGS: 00010286 [ 29.788033] RAX: ffffffff81cde0c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 29.796036] RDX: 0000000000000000 RSI: ffff91ed3ad9bf70 RDI: ffffffff828d9c10 [ 29.804039] RBP: ffffffff82d1b910 R08: 0000000000000001 R09: 0000000000000001 [ 29.812040] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 29.820044] R13: ffff9aed8146ff10 R14: ffff9aed8146ff10 R15: ffff91ecc4eb9000 [ 29.828048] FS: 00007f0af7e99580(0000) GS:ffff91ed3ad80000(0000) knlGS:0000000000000000 [ 29.837117] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 29.843565] CR2: 00007f0af7cb2000 CR3: 0000000103322006 CR4: 00000000003706e0 # Segmentation fault # [ 29.492637] lkdtm: Performing direct entry BUG # [ 29.497683] ------------[ cut here ]------------ # [ 29.502862] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 29.508725] invalid opcode: 0000 [#1] SMP PTI # [ 29.513596] CPU: 3 PID: 725 Comm: cat Tainted: G W 5.10.137-cip14 #1 # [ 29.522150] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 29.528959] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 29.533341] Code: 89 ff e8 4e bb 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 50 e4 72 02 # [ 29.554315] RSP: 0018:ffff9aed8146fe60 EFLAGS: 00010286 # [ 29.560174] RAX[ 29.936111] lkdtm: Performing direct entry WARNING [ 29.942036] ------------[ cut here ]------------ : ffffffff81cde0c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 29.947222] WARNING: CPU: 3 PID: 761 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 [ 29.962847] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 29.989300] CPU: 3 PID: 761 Comm: cat Tainted: G D W 5.10.137-cip14 #1 [ 29.997858] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 30.004667] RIP: 0010:lkdtm_WARNING+0x13/0x20 [ 30.009535] 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 50 e4 72 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 31 e4 [ 30.030526] RSP: 0018:ffff9aed81507e60 EFLAGS: 00010202 [ 30.036395] RAX: ffffffff81cde0d0 RBX: 0000000000000002 RCX: 0000000000000000 [ 30.044381] RDX: 0000000000000000 RSI: ffff91ed3ad9bf70 RDI: ffffffff828d9c20 [ 30.052388] RBP: ffffffff82cc04df R08: 0000000000000000 R09: 0000000000000000 [ 30.060377] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 [ 30.068389] R13: ffff9aed81507f10 R14: ffff9aed81507f10 R15: ffff91ecc31e8000 [ 30.076355] FS: 00007ff7e7da5580(0000) GS:ffff91ed3ad80000(0000) knlGS:0000000000000000 [ 30.085396] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 30.091816] CR2: 00007ff7e7bbe000 CR3: 00000001034f2003 CR4: 00000000003706e0 [ 30.099789] Call Trace: [ 30.102521] direct_entry.cold+0x2c/0x38 # [ 29.568144] RDX: 0000000000000000 RSI: ffff91ed3ad9bf70 RDI[ 30.106933] full_proxy_write+0x53/0x80 [ 30.117421] vfs_write+0xe7/0x3a0 [ 30.121156] ksys_write+0x68/0xf0 [ 30.124892] do_syscall_64+0x30/0x40 : ffffffff828d9c10 # [ 29.576114] RBP: ffffffff82d1b910 R08: [ 30.128910] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 30.140760] RIP: 0033:0x7ff7e7ccdf33 [ 30.144753] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 30.165741] RSP: 002b:00007ffe3ed20918 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 30.174227] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007ff7e7ccdf33 [ 30.182200] RDX: 0000000000000008 RSI: 00007ff7e7bbe000 RDI: 0000000000000001 [ 30.190174] RBP: 00007ff7e7bbe000 R08: 00007ff7e7bbd010 R09: 0000000000000000 [ 30.198148] R10: 00007ff7e7dc81c0 R11: 0000000000000246 R12: 0000000000000001 [ 30.206122] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 30.214117] irq event stamp: 0 0000000000000001 R09: 0000000000000001 # [ 29.584085] R10: 00[ 30.217536] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 30.230749] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 30.239891] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 30.249054] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 30.256058] ---[ end trace 639227b05bc3899a ]--- 000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 29.592054] R13: ffff9aed8146ff10 R14: ffff9aed8146ff10 R15: ffff91ecc4eb9000 # [ 29.600025] FS: 00007f0af7e99580(0000) GS:ffff91ed3ad80000(0000) knlGS:0000000000000000 # [ 29.609057] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 29.615474] CR2: 00007f0af7cb2000 CR3: 0000000103322006 CR4: 00000000003706e0 # [ 29.623436] Call Trace: # [ 29.626165] direct_entry.cold+0x2c/0x38 # [ 29.630543] full_proxy_write+0x53/0x80 # [ 29.634831] vfs_write+0xe7/0x3a0 # [ 29.638535] ksys_write+0x68/0xf0 # [ 29.642235] do_syscall_64+0x30/0x40 # [ 29.646226] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 29.651867] RIP: 0033:0x7f0af7dc1f33 # [ 29.655847] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 [ 30.341490] lkdtm: Performing direct entry WARNING_MESSAGE [ 30.348183] ------------[ cut here ]------------ [ 30.353347] Warning message trigger count: 2 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d[ 30.358140] WARNING: CPU: 2 PID: 796 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 30.374543] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 30.407247] CPU: 2 PID: 796 Comm: cat Tainted: G D W 5.10.137-cip14 #1 [ 29.676822] RSP: 002b:00007fffbfab60b8 EFLAGS: 00000246 ORIG_[ 30.415813] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 30.428829] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 [ 30.434495] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 31 e4 72 02 48 c7 c7 40 0a cc 82 8d 70 01 89 35 21 e4 72 02 e8 fb 36 63 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 [ 30.455507] RSP: 0018:ffff9aed8157fe60 EFLAGS: 00010286 [ 30.461347] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 RAX: 0000000000000001 # [ 29.685278] RAX: ffffffffffffffda RB[ 30.469346] RDX: ffff91ed3ad2c660 RSI: ffff91ed3ad1bf70 RDI: ffff91ed3ad1bf70 [ 30.483535] RBP: ffffffff82cc04e7 R08: 0000000000000000 R09: 0000000000000000 [ 30.491508] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 [ 30.499481] R13: ffff9aed8157ff10 R14: ffff9aed8157ff10 R15: ffff91ecc34ee000 [ 30.507456] FS: 00007f431d1b9580(0000) GS:ffff91ed3ad00000(0000) knlGS:0000000000000000 [ 30.516496] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 30.522916] CR2: 00007f431cfd2000 CR3: 00000001037be004 CR4: 00000000003706e0 [ 30.530890] Call Trace: [ 30.533622] direct_entry.cold+0x2c/0x38 [ 30.538055] full_proxy_write+0x53/0x80 X: 0000000000000004 RCX: 00007f0af7dc1f33 # [ 29.693250] RDX:[ 30.542348] vfs_write+0xe7/0x3a0 [ 30.552259] ksys_write+0x68/0xf0 [ 30.555987] do_syscall_64+0x30/0x40 [ 30.560002] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 30.565669] RIP: 0033:0x7f431d0e1f33 [ 30.569660] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 30.590647] RSP: 002b:00007fff4d421e98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 30.599131] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f431d0e1f33 [ 30.607105] RDX: 0000000000000010 RSI: 00007f431cfd2000 RDI: 0000000000000001 [ 30.615079] RBP: 00007f431cfd2000 R08: 00007f431cfd1010 R09: 0000000000000000 [ 30.623053] R10: 00007f431d1dc1c0 R11: 0000000000000246 R12: 0000000000000001 [ 30.631026] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 30.639004] irq event stamp: 0 0000000000000004 RSI: 00007f0af7cb2000 RDI: 0000000000000001 #[ 30.642437] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 30.655652] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 30.664790] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 30.673927] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 30.680927] ---[ end trace 639227b05bc3899b ]--- [ 29.701221] RBP: 00007f0af7cb2000 R08: 00007f0af7cb1010 R09: 0000000000000000 # [ 29.709193] R10: 00007f0af7ebc1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 29.717162] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 29.725138] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 29.751593] ---[ end trace 639227b05bc38999 ]--- # [ 29.756762] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 29.761150] Code: 89 ff e8 4e bb 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 50 e4 72 02 # [ 29.782166] RSP: 0018:ffff9aed8146fe60 EFLAGS: 00010286 # [ 29.788033] RAX: ffffffff81cde0c0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 29.796036] RDX: 00000000000[ 30.780977] lkdtm: Performing direct entry EXCEPTION [ 30.791112] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 30.798920] #PF: supervisor write access in kernel mode [ 30.804752] #PF: error_code(0x0002) - not-present page [ 30.810488] PGD 0 P4D 0 [ 30.813306] Oops: 0002 [#2] SMP PTI [ 30.817199] CPU: 2 PID: 828 Comm: cat Tainted: G D W 5.10.137-cip14 #1 [ 30.825751] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 30.832558] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 [ 30.837518] Code: 48 c7 c7 40 0a cc 82 8d 70 01 89 35 21 e4 72 02 e8 fb 36 63 00 0f 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 04 25 00 00 00 00 00 00 00 00 c3 cc cc cc cc 66 66 2e 0f 1f 84 [ 30.858491] RSP: 0018:ffff9aed81617e60 EFLAGS: 00010282 [ 30.864339] RAX: ffffffff81cde120 RBX: 0000000000000004 RCX: 0000000000000000 [ 30.872308] RDX: 0000000000000000 RSI: ffff91ed3ad1bf70 RDI: ffffffff828d9c40 [ 30.880278] RBP: ffffffff82bf5b57 R08: 0000000000000000 R09: 0000000000000000 [ 30.888249] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 30.896217] R13: ffff9aed81617f10 R14: ffff9aed81617f10 R15: ffff91ecc3084000 [ 30.904187] FS: 00007f9bafa37580(0000) GS:ffff91ed3ad00000(0000) knlGS:0000000000000000 [ 30.913227] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 30.919642] CR2: 0000000000000000 CR3: 00000001037b0004 CR4: 00000000003706e0 [ 30.927610] Call Trace: [ 30.930347] direct_entry.cold+0x2c/0x38 [ 30.934729] full_proxy_write+0x53/0x80 [ 30.939011] vfs_write+0xe7/0x3a0 [ 30.942709] ksys_write+0x68/0xf0 [ 30.946405] do_syscall_64+0x30/0x40 [ 30.950394] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 30.956034] RIP: 0033:0x7f9baf95ff33 [ 30.960022] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 30.981005] RSP: 002b:00007ffef5f92438 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 30.989462] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f9baf95ff33 [ 30.997429] RDX: 000000000000000a RSI: 00007f9baf850000 RDI: 0000000000000001 [ 31.005398] RBP: 00007f9baf850000 R08: 00007f9baf84f010 R09: 0000000000000000 [ 31.013361] R10: 00007f9bafa5a1c0 R11: 0000000000000246 R12: 0000000000000001 [ 31.021339] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 31.029313] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 00000 RSI: ffff91ed3ad9bf70 RDI: ffffffff828d9c10 # [ 29.8040[ 31.055767] CR2: 0000000000000000 [ 31.065675] ---[ end trace 639227b05bc3899c ]--- [ 31.070828] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 31.075206] Code: 89 ff e8 4e bb 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 50 e4 72 02 [ 31.096180] RSP: 0018:ffff9aed8146fe60 EFLAGS: 00010286 [ 31.102011] RAX: ffffffff81cde0c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 31.109981] RDX: 0000000000000000 RSI: ffff91ed3ad9bf70 RDI: ffffffff828d9c10 [ 31.117950] RBP: ffffffff82d1b910 R08: 0000000000000001 R09: 0000000000000001 [ 31.125919] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 31.133889] R13: ffff9aed8146ff10 R14: ffff9aed8146ff10 R15: ffff91ecc4eb9000 [ 31.141858] FS: 00007f9bafa37580(0000) GS:ffff91ed3ad00000(0000) knlGS:0000000000000000 [ 31.150896] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 31.157312] CR2: 0000000000000000 CR3: 00000001037b0004 CR4: 00000000003706e0 [ 31.165281] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 31.175193] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 828, name: cat [ 31.183552] INFO: lockdep is turned off. [ 31.187928] irq event stamp: 0 [ 31.191349] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 31.198350] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 31.207487] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 31.216621] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 31.223620] CPU: 2 PID: 828 Comm: cat Tainted: G D W 5.10.137-cip14 #1 [ 31.232171] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 31.238974] Call Trace: [ 31.241701] dump_stack+0x77/0x9b [ 31.245401] ___might_sleep.cold+0xa6/0xb6 [ 31.249972] exit_signals+0x1c/0x2e0 [ 31.253952] do_exit+0xd5/0xb00 [ 31.257457] ? ksys_write+0x68/0xf0 [ 31.261352] rewind_stack_do_exit+0x17/0x20 [ 31.266020] RIP: 0033:0x7f9baf95ff33 [ 31.270008] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 31.290992] RSP: 002b:00007ffef5f92438 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 31.299448] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f9baf95ff33 [ 31.307417] RDX: 000000000000000a RSI: 00007f9baf850000 RDI: 0000000000000001 [ 31.315396] RBP: 00007f9baf850000 R08: 00007f9baf84f010 R09: 0000000000000000 [ 31.323357] R10: 00007f9bafa5a1c0 R11: 0000000000000246 R12: 0000000000000001 [ 31.331341] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 39] RBP: ffffffff82d1b910 R08: 0000000000000001 R09: 0000000000000001 # [ 29.812040] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 29.820044] R13: ffff9aed8146ff10 R14: ffff9aed8146ff10 R15: ffff91ecc4eb9000 # [ 29.828048] FS: 00007f0af7e99580(0000) GS:ffff91ed3ad80000(0000) knlGS:0000000000000000 # [ 29.837117] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 29.843565] CR2: 00007f0af7cb2000 CR3: 0000000103322006 CR4: 00000000003706e0 # BUG: saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh # [ 29.936111] lkdtm: Performing direct entry WARNING # [ 29.942036] ------------[ cut here ]------------ # [ 29.947222] WARNING: CPU: 3 PID: 761 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 # [ 29.962847] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 29.989300] CPU: 3 PID: 761 Comm: cat Tainted: G D W 5.10.137-cip14 #1 # [ 29.997858] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 30.004667] RIP: 0010:lkdtm_WARNING+0x13/0x20 # [ 30.009535] 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 50 e4 72 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 31 e4 # [ 30.030526] RSP: 0018:ffff9aed81507e60 EFLAGS: 00010202 # [ 30.036395] RAX: ffffffff81cde0d0 RBX: 0000000000000002 RCX: 0000000000000000 # [ 30.044381] RDX: 0000000000000000 RSI: ffff91ed3ad9bf70 RDI: ffffffff828d9c20 # [ 30.052388] RBP: ffffffff82cc04df R08: 0000000000000000 R09: 0000000000000000 # [ 30.060377] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 # [ 30.068389] R13: ffff9aed81507f10 R14: ffff9aed81507f10 R15: ffff91ecc31e8000 # [ 30.076355] FS: 00007ff7e7da5580(0000) GS:ffff91ed3ad80000(0000) knlGS:0000000000000000 # [ 30.085396] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 30.091816] CR2: 00007ff7e7bbe000 CR3: 00000001034f2003 CR4: 00000000003706e0 # [ 30.099789] Call Trace: # [ 30.102521] direct_entry.cold+0x2c/0x38 # [ 30.106933] full_proxy_write+0x53/0x80 # [ 30.117421] [ 31.565378] lkdtm: Performing direct entry CORRUPT_LIST_ADD [ 31.575520] lkdtm: attempting good list addition [ 31.580710] lkdtm: attempting corrupted list addition [ 31.586360] lkdtm: list_add() corruption not detected! vfs_write+0xe7/0x3a0 # [ 30.121156] ksys_write+0x68/0xf0 # [ 30.124892] do_syscall_64+0x30/0x40 # [ 30.128910] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 30.140760] RIP: 0033:0x7ff7e7ccdf33 # [ 30.144753] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 30.165741] RSP: 002b:00007ffe3ed20918 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 30.174227] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007ff7e7ccdf33 # [ 30.182200] RDX: 0000000000000008 RSI: 00007ff7e7bbe000 RDI: 0000000000000001 # [ 30.190174] RBP:[ 31.655012] lkdtm: Performing direct entry CORRUPT_LIST_DEL 00007ff7e7bbe000 R08: 00007ff7e7bbd010 R09: 0000000000000000 #[ 31.666754] lkdtm: attempting good list removal [ 30.198148] R10: 00007ff7e7dc81c0 R11: 0000000000000246 R12:[ 31.678030] lkdtm: attempting corrupted list removal 0000000000000001 # [ 30.206122] R13: 0000000000000001 R14: 0[ 31.689789] lkdtm: list_del() corruption not detected! 000000000020000 R15: 0000000000020000 # [ 30.214117] irq event stamp: 0 # [ 30.217536] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 30.230749] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 30.239891] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 30.249054] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 30.256058] ---[ end trace 639227b05bc3899a ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ 30.341490] lkdtm: Performing direct entry WARNING_MESSAGE # [ 30.348183] ------------[ cut here ]------------ # [ 30.353347] Warning message trigger count: 2 # [ 30.358140] WARNING: CPU: 2 PID: 796 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARN[ 31.776474] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING [ 31.789541] lkdtm: attempting bad read from page below current stack [ 31.796677] BUG: stack guard page was hit at 00000000a326b6bb (stack is 00000000372ccb77..0000000007d8691b) [ 31.807592] kernel stack overflow (page fault): 0000 [#3] SMP PTI [ 31.814398] CPU: 3 PID: 1053 Comm: cat Tainted: G D W 5.10.137-cip14 #1 [ 31.823046] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 31.829853] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a [ 31.836366] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 e0 0d cc 82 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 ce a0 fd ff 48 c7 c7 20 0e cc 82 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 b4 a0 fd ff 0f 1f 44 [ 31.857350] RSP: 0018:ffff9aed8196fe50 EFLAGS: 00010246 [ 31.863176] RAX: 0000000000000038 RBX: ffff9aed8196c000 RCX: 0000000000000000 [ 31.871147] RDX: 0000000000000000 RSI: ffff91ed3ad9bf70 RDI: ffffffff82cc0e20 [ 31.879118] RBP: ffffffff82cc054a R08: 0000000000000000 R09: 0000000000000000 [ 31.887086] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 [ 31.895057] R13: ffff9aed8196ff10 R14: ffff9aed8196ff10 R15: ffff91ecc30cb000 [ 31.903026] FS: 00007fa268afc580(0000) GS:ffff91ed3ad80000(0000) knlGS:0000000000000000 [ 31.912063] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 31.918480] CR2: ffff9aed8196bfff CR3: 000000010400e005 CR4: 00000000003706e0 [ 31.926449] Call Trace: [ 31.929176] ? lkdtm_CORRUPT_LIST_DEL+0xe0/0xe0 [ 31.934233] direct_entry.cold+0x2c/0x38 [ 31.938604] full_proxy_write+0x53/0x80 [ 31.942887] vfs_write+0xe7/0x3a0 [ 31.946585] ksys_write+0x68/0xf0 [ 31.950276] do_syscall_64+0x30/0x40 [ 31.954264] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 31.959905] RIP: 0033:0x7fa268a24f33 [ 31.963885] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 31.984870] RSP: 002b:00007ffeab1cc608 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 31.993340] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fa268a24f33 [ 32.001310] RDX: 0000000000000019 RSI: 00007fa268915000 RDI: 0000000000000001 [ 32.009270] RBP: 00007fa268915000 R08: 00007fa268914010 R09: 0000000000000000 [ 32.017239] R10: 00007fa268b1f1c0 R11: 0000000000000246 R12: 0000000000000001 [ 32.025206] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 32.033179] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify ING_MESSAGE+0x20/0x30 # [ 30.374543] Modules linked in: fuse [ 32.059635] ---[ end trace 639227b05bc3899d ]--- [ 32.071002] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 32.075385] Code: 89 ff e8 4e bb 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 50 e4 72 02 [ 32.096391] RSP: 0018:ffff9aed8146fe60 EFLAGS: 00010286 [ 32.102226] RAX: ffffffff81cde0c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 32.110194] RDX: 0000000000000000 RSI: ffff91ed3ad9bf70 RDI: ffffffff828d9c10 [ 32.118164] RBP: ffffffff82d1b910 R08: 0000000000000001 R09: 0000000000000001 [ 32.126134] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 32.134103] R13: ffff9aed8146ff10 R14: ffff9aed8146ff10 R15: ffff91ecc4eb9000 [ 32.142072] FS: 00007fa268afc580(0000) GS:ffff91ed3ad80000(0000) knlGS:0000000000000000 [ 32.151108] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 32.157523] CR2: ffff9aed8196bfff CR3: 000000010400e005 CR4: 00000000003706e0 [ 32.165492] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 32.175404] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1053, name: cat [ 32.183860] INFO: lockdep is turned off. [ 32.188234] irq event stamp: 0 [ 32.191640] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 32.198641] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 32.207784] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 32.216921] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 32.223919] CPU: 3 PID: 1053 Comm: cat Tainted: G D W 5.10.137-cip14 #1 [ 32.232568] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 32.239390] Call Trace: [ 32.242108] dump_stack+0x77/0x9b [ 32.245806] ___might_sleep.cold+0xa6/0xb6 [ 32.250397] exit_signals+0x1c/0x2e0 [ 32.254395] do_exit+0xd5/0xb00 [ 32.257898] ? ksys_write+0x68/0xf0 [ 32.261791] rewind_stack_do_exit+0x17/0x20 [ 32.266458] RIP: 0033:0x7fa268a24f33 [ 32.270446] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 32.291428] RSP: 002b:00007ffeab1cc608 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 32.299884] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fa268a24f33 [ 32.307852] RDX: 0000000000000019 RSI: 00007fa268915000 RDI: 0000000000000001 [ 32.315819] RBP: 00007fa268915000 R08: 00007fa268914010 R09: 0000000000000000 [ 32.323787] R10: 00007fa268b1f1c0 R11: 0000000000000246 R12: 0000000000000001 [ 32.331756] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 30.407247] CPU: 2 PID: 796 Comm: cat Tainted: G D W 5.10.137-cip14 #1 # [ 30.415813] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 30.428829] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 30.434495] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 31 e4 72 02 48 c7 c7 40 0a cc 82 8d 70 01 89 35 21 e4 72 02 e8 fb 36 63 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 # [ 30.455507] RSP: 0018:ffff9aed8157fe60 EFLAGS: 00010286 # [ 30.461347] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 # [ 30.469346] RDX: ffff91ed3ad2c660 RSI: ffff91ed3ad1bf70 RDI: ffff91ed3ad1bf70 # [ 30.483535] RBP: ffffffff82cc04e7 R08: 0000000000000[ 32.430518] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING [ 32.440096] lkdtm: attempting bad read from page above current stack [ 32.447229] BUG: stack guard page was hit at 000000006b8c10c4 (stack is 000000006949b2c7..00000000d61e2fcc) 000 R09: 0000000000000000 # [ 30.491508] R10: 00000000ffffe00[ 32.458120] kernel stack overflow (page fault): 0000 [#4] SMP PTI [ 32.471135] CPU: 3 PID: 1086 Comm: cat Tainted: G D W 5.10.137-cip14 #1 [ 32.479777] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 32.486578] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d [ 32.493186] Code: a0 fd ff 0f 1f 44 00 00 53 48 c7 c7 58 0e cc 82 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 94 a0 fd ff 48 c7 c7 98 0e cc 82 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 77 a0 fd ff [ 32.514170] RSP: 0018:ffff9aed819e7e50 EFLAGS: 00010246 [ 32.520003] RAX: 0000000000000038 RBX: ffff9aed819e4000 RCX: 0000000000000000 [ 32.527965] RDX: 0000000000000000 RSI: ffff91ed3ad9bf70 RDI: ffffffff82cc0e98 [ 32.535934] RBP: ffffffff82cc0563 R08: 0000000000000000 R09: 0000000000000000 [ 32.543903] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a [ 32.551871] R13: ffff9aed819e7f10 R14: ffff9aed819e7f10 R15: ffff91ecc3904000 [ 32.559840] FS: 00007fd6146ce580(0000) GS:ffff91ed3ad80000(0000) knlGS:0000000000000000 [ 32.568877] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 32.575292] CR2: ffff9aed819e8000 CR3: 00000001034b6006 CR4: 00000000003706e0 [ 32.583262] Call Trace: [ 32.585988] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a [ 32.591823] direct_entry.cold+0x2c/0x38 [ 32.596202] full_proxy_write+0x53/0x80 [ 32.600484] vfs_write+0xe7/0x3a0 [ 32.604181] ksys_write+0x68/0xf0 [ 32.607872] do_syscall_64+0x30/0x40 [ 32.611861] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 32.617492] RIP: 0033:0x7fd6145f6f33 [ 32.621481] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 32.642462] RSP: 002b:00007ffdf53afdc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 32.650918] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007fd6145f6f33 [ 32.658886] RDX: 000000000000001a RSI: 00007fd6144e7000 RDI: 0000000000000001 [ 32.666857] RBP: 00007fd6144e7000 R08: 00007fd6144e6010 R09: 0000000000000000 [ 32.674824] R10: 00007fd6146f11c0 R11: 0000000000000246 R12: 0000000000000001 [ 32.682791] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 32.690763] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 0 R11: 3fffffffffffffff R12: 0000000000000010 # [ 30.499481] [ 32.717216] ---[ end trace 639227b05bc3899e ]--- [ 32.728584] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 32.732959] Code: 89 ff e8 4e bb 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 50 e4 72 02 [ 32.753941] RSP: 0018:ffff9aed8146fe60 EFLAGS: 00010286 [ 32.759774] RAX: ffffffff81cde0c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 32.767743] RDX: 0000000000000000 RSI: ffff91ed3ad9bf70 RDI: ffffffff828d9c10 [ 32.775713] RBP: ffffffff82d1b910 R08: 0000000000000001 R09: 0000000000000001 [ 32.783682] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 32.791651] R13: ffff9aed8146ff10 R14: ffff9aed8146ff10 R15: ffff91ecc4eb9000 [ 32.799618] FS: 00007fd6146ce580(0000) GS:ffff91ed3ad80000(0000) knlGS:0000000000000000 [ 32.808655] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 32.815070] CR2: ffff9aed819e8000 CR3: 00000001034b6006 CR4: 00000000003706e0 R13: ffff9aed8157ff10 R14: ffff9aed8157ff10 R15: ffff91ecc34ee000 # [ 30.507456] FS: 00007f431d1b9580(0000) GS:ffff91ed3ad00000(0000) knlGS:0000000000000000 # [ 30.516496] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 30.522916] CR2: 00007f431cfd2000 CR3: 00000001037be004 CR4: 00000000003706e0 # [ 30.530890] Call Trace: # [ 30.533622] direct_entry.cold+0x2c/0x38 # [ 30.538055] full_proxy_write+0x53/0x80 # [ 30.542348] vfs_write+0xe7/0x3a0 # [ 30.552259] ksys_write+0x68/0xf0 # [ 30.555987] do_syscall_64+0x30/0x40 # [ 30.560002] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 30.565669] RIP: 0033:0x7f431d0e1f33 # [ 30.569660] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 30.590647] RSP: 002b:00007fff4d421e98 EFLAGS: 00000246 ORIG_RAX: 00000000[ 32.911380] lkdtm: Performing direct entry UNSET_SMEP [ 32.921953] lkdtm: trying to clear SMEP normally [ 32.927116] ------------[ cut here ]------------ [ 32.932284] pinned CR4 bits changed: 0x100000!? [ 32.937359] WARNING: CPU: 2 PID: 1122 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60 [ 32.947592] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 00000001 # [ 30.599131] RAX: ffffffffffffffda RBX: 0000000000[ 32.974050] CPU: 2 PID: 1122 Comm: cat Tainted: G D W 5.10.137-cip14 #1 [ 32.988909] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 32.995716] RIP: 0010:native_write_cr4+0x45/0x60 [ 33.000875] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d 09 8f c3 01 00 75 f2 48 c7 c7 98 fb bf 82 c6 05 f9 8e c3 01 01 e8 e6 d0 e4 00 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 [ 33.021862] RSP: 0018:ffff9aed81a6fe48 EFLAGS: 00010286 [ 33.027699] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 0000000000000000 [ 33.035672] RDX: ffff91ed3ad2c660 RSI: ffff91ed3ad1bf70 RDI: ffff91ed3ad1bf70 [ 33.043648] RBP: ffffffff82cc057d R08: 0000000000000000 R09: 0000000000000000 [ 33.051645] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b [ 33.059619] R13: ffff9aed81a6ff10 R14: ffff9aed81a6ff10 R15: ffff91ecc5649000 [ 33.067593] FS: 00007f99e943e580(0000) GS:ffff91ed3ad00000(0000) knlGS:0000000000000000 [ 33.076636] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 33.083054] CR2: 00007f99e9257000 CR3: 0000000103798001 CR4: 00000000003706e0 [ 33.091029] Call Trace: [ 33.093762] lkdtm_UNSET_SMEP.cold+0x1d/0x103 [ 33.098652] direct_entry.cold+0x2c/0x38 [ 33.103066] full_proxy_write+0x53/0x80 [ 33.107417] vfs_write+0xe7/0x3a0 000010 RCX: 00007f431d0e1f33 # [ 30.607105] RDX: 000000000000[ 33.111127] ksys_write+0x68/0xf0 [ 33.121041] do_syscall_64+0x30/0x40 0010 RSI: 00007f431cfd2000 RDI: 0000000000000001 # [ 30.61507[ 33.125059] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 33.136910] RIP: 0033:0x7f99e9366f33 [ 33.140901] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 33.161890] RSP: 002b:00007fffd59fc238 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 33.170390] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f99e9366f33 [ 33.178364] RDX: 000000000000000b RSI: 00007f99e9257000 RDI: 0000000000000001 [ 33.186349] RBP: 00007f99e9257000 R08: 00007f99e9256010 R09: 0000000000000000 9] RBP: 00007f431cfd2000 R08: 00007f431cfd1010 R09: 000000000000[ 33.194326] R10: 00007f99e94611c0 R11: 0000000000000246 R12: 0000000000000001 [ 33.208509] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 33.216485] irq event stamp: 0 0000 # [ 30.623053] R10: 00007f431d1dc1c0 R11: 00000000000002[ 33.219918] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 33.233131] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 33.242269] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 33.251408] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 33.258410] ---[ end trace 639227b05bc3899f ]--- [ 33.263567] lkdtm: ok: SMEP did not get cleared [ 33.268625] lkdtm: trying to clear SMEP with call gadget [ 33.274559] lkdtm: ok: SMEP removal was reverted 46 R12: 0000000000000001 # [ 30.631026] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 30.639004] irq event stamp: 0 # [ 30.642437] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 30.655652] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 30.664790] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 30.673927] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 30.680927] ---[ end trace 639227b05bc3899b ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCEPTION.sh # Killed # [ 30.780977] lkdtm: Performing direct entry EXCEPTION # [ 30.791112] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 30.798920] #PF: supervisor write access in kernel mode # [ 30.804752] #PF: error_code(0x0002) - not-present page # [ 30.810488] PGD 0 P4D 0 # [ 30.813306] Oops: 0002 [#2] SMP PTI # [ 30.817199] CPU: 2 PID: 828 Comm: cat Tainted: G D W 5.10.[ 33.380631] lkdtm: Performing direct entry DOUBLE_FAULT [ 33.391251] lkdtm: XFAIL: this test is ia32-only 137-cip14 #1 # [ 30.825751] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 30.832558] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 # [ 30.837518] Code: 48 c7 c7 40 0a cc 82 8d 70 01 89 35 21 e4 72 02 e8 fb 36 63 00 0f 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 04 25 00 00 00 00 00 00 00 00 c3 cc cc cc cc 66 66 2e 0f 1f 84 # [ 30.858491] RSP: 0018:ffff9aed81617e60 EFLAGS: 00010282 # [ 30.864339] RAX: ffffffff81cde120 RBX: 0000000000000004 RCX: 0000000000000000 # [ 30.872308] RDX: 0000000000000000 RSI: ffff91ed3ad1bf70 RDI: ffffffff828d9c40 # [ 30.880278] RBP: ffffffff82bf5b57 R08: 0000000000000000 R09: 0000000000000000 # [ 30.888249] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 30.896217] R13: ffff9aed81617f10 R14: ffff9aed81617f10 R15: ffff91ecc3084000 # [ 30.904187] FS: 00007f9bafa37580(0000) GS:ffff91ed3[ 33.480158] lkdtm: Performing direct entry CORRUPT_PAC [ 33.489214] lkdtm: XFAIL: this test is arm64-only ad00000(0000) knlGS:0000000000000000 # [ 30.913227] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 30.919642] CR2: 0000000000000000 CR3: 00000001037b0004 CR4: 00000000003706e0 # [ 30.927610] Call Trace: # [ 30.930347] direct_entry.cold+0x2c/0x38 # [ 30.934729] full_proxy_write+0x53/0x80 # [ 30.939011] vfs_write+0xe7/0x3a0 # [ 30.942709] ksys_write+0x68/0xf0 # [ 30.946405] do_syscall_64+0x30/0x40 # [ 30.950394] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 30.956034] RIP: 0033:0x7f9baf95ff33 # [ 30.960022] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 30.981005] RSP: 002b:00007ffef5f92438 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 30.989462] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f9baf95ff33 # [ 30.997429] RDX: 00000000[ 33.584545] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE 0000000a RSI: 00007f9baf850000 RDI: 0000000000000001 # [ 31.0[ 33.595040] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS 05398] RBP: 00007f9baf850000 R08: 00007f9baf84f010 R09: 0000000000000000 # [ 31.013361] R10: 00007f9bafa5a1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 31.021339] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 31.029313] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 31.055767] CR2: 0000000000000000 # [ 31.065675] ---[ end trace 639227b05bc3899c ]--- # [ 31.070828] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 31.075206] Code: 89 ff e8 4e bb 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 50 e4 72 02 # [ 31.096180] RSP: 0018:ffff9aed8146fe60 EFLAGS: 00010286 # [ 31.102011] RAX: ffffffff81cde0c0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 31.109981] RDX: 0000000000000000 RSI: ffff91ed3ad9bf70 RDI: ffffffff828d9c10 # [ 31.117950] RBP: ffffffff82d1b910 R08: 0000000000000001 R09: 0000000000000001 # [ 31.125919] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 31.133889] R13: ffff9aed8146ff10 R14: ffff9aed8146ff10 R15: ffff91ecc4eb9000 # [ 31.141858] FS: 00007f9bafa37580(0000) GS:ff[ 33.740194] lkdtm: Performing direct entry READ_AFTER_FREE ff91ed3ad00000(0000) knlGS:0000000000000000 # [ 31.150896] CS[ 33.751710] lkdtm: Value in memory before free: 12345678 : 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 31.157312[ 33.763831] lkdtm: Attempting bad read from freed memory [ 33.775978] lkdtm: Memory was not poisoned ] CR2: 0000000000000000 CR3: 00000001037b0004 CR4: 00000000003706e0 # [ 31.165281] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 31.175193] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 828, name: cat # [ 31.183552] INFO: lockdep is turned off. # [ 31.187928] irq event stamp: 0 # [ 31.191349] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 31.198350] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 31.207487] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 31.216621] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 31.223620] CPU: 2 PID: 828 Comm: cat Tainted: G D W 5.10.137-cip14 #1 # [ 31.232171] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 31.238974] Call Trace: # [ 31.241701] dump_stack+0x77/0x9b # [ 31.245401] ___might_sleep.cold+0xa6/0xb6 # [ 31.249972] exit_signals+0x1c/0x2e0 # [ 31.253952[ 33.874945] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE [ 33.886718] lkdtm: Value in memory before free: 12345678 ] do_exit+0xd5/0xb00 # [ 31.257457] ? ksys_write+0x68/0xf0[ 33.892667] lkdtm: Attempting to read from freed memory [ 33.904713] lkdtm: Buddy page was not poisoned # [ 31.261352] rewind_stack_do_exit+0x17/0x20 # [ 31.266020] RIP: 0033:0x7f9baf95ff33 # [ 31.270008] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 31.290992] RSP: 002b:00007ffef5f92438 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 31.299448] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f9baf95ff33 # [ 31.307417] RDX: 000000000000000a RSI: 00007f9baf850000 RDI: 0000000000000001 # [ 31.315396] RBP: 00007f9baf850000 R08: 00007f9baf84f010 R09: 0000000000000000 # [ 31.323357] R10: 00007f9bafa5a1c0 R11: 0000000[ 33.977538] lkdtm: Performing direct entry SLAB_FREE_DOUBLE [ 33.984273] lkdtm: Attempting double slab free ... 000000246 R12: 0000000000000001 # [ 31.331341] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXCEPTION: saw 'call trace:': ok ok 5 selftests: lkdtm: EXCEPTION.sh # selftests: lkdtm: LOOP.sh # Skipping LOOP: Hangs the system ok 6 selftests: lkdtm: LOOP.sh # SKIP # selftests: lkdtm: EXHAUST_STACK.sh # Skipping EXHAUST_STACK: Corrupts memory on failure ok 7 selftests: lkdtm: EXHAUST_STACK.sh # SKIP # selftests: lkdtm: CORRUPT_STACK.sh # Skipping CORRUPT_STACK: Crashes entire system on success ok 8 selftests: lkdtm: CORRUPT_STACK.sh # SKIP # selftests: lkdtm: CORRUPT_STACK_STRONG.sh # Skipping CORRUPT_STACK_STRONG: Crashes entire system on success ok 9 selftests: lkdtm: CORRUPT_STACK_STRONG.sh # SKIP # selftests: lkdtm: CORRUPT_LIST_ADD.sh # [ 31.565378] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 31.575520] lkdtm: attempting good list addition # [ 31.580710] lkdtm: attempting corrupted list addition # [ 31.586360] lkdtm: list_add() corruption not detect[ 34.084573] lkdtm: Performing direct entry SLAB_FREE_CROSS [ 34.095301] lkdtm: Attempting cross-cache slab free ... ed! # CORRUPT_LIST_ADD: missing 'list_add corruption': [FAIL] not ok 10 selftests: lkdtm: CORRUPT_LIST_ADD.sh # exit=1 # selftests: lkdtm: CORRUPT_LIST_DEL.sh # [ 31.655012] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 31.666754] lkdtm: attempting good list removal # [ 31.678030] lkdtm: attempting corrupted list removal # [ 31.689789] lkdtm: list_del() corruption not detected! # CORRUPT_LIST_DEL: missing 'list_del corruption': [FAIL] not ok 11 selftests: lkdtm: CORRUPT_LIST_DEL.sh # exit=1 # selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh # Segmentation fault # [ 31.776474] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 31.789541] lkdtm: attempting bad read from page below current stack # [ 31.796677] BUG: stack guard page was hit at 00000000a326b6bb (stack is 00000000372ccb77..0000000007d8691b) # [ 31.807592] kernel stack overflow (page fault): 0000 [#3] SMP PTI # [ 31.814398] CPU: 3 PID: 1053 Comm: cat Tainted: G D W 5.10.137-cip14 #1 # [ 3[ 34.196367] lkdtm: Performing direct entry SLAB_FREE_PAGE 1.823046] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020[ 34.206658] lkdtm: Attempting non-Slab slab free ... # [ 31.829853] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a # [ 31.836366] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 e0 0d cc 82 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 ce a0 fd ff 48 c7 c7 20 0e cc 82 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 b4 a0 fd ff 0f 1f 44 # [ 31.857350] RSP: 0018:ffff9aed8196fe50 EFLAGS: 00010246 # [ 31.863176] RAX: 0000000000000038 RBX: ffff9aed8196c000 RCX: 0000000000000000 # [ 31.871147] RDX: 0000000000000000 RSI: ffff91ed3ad9bf70 RDI: ffffffff82cc0e20 # [ 31.879118] RBP: ffffffff82cc054a R08: 0000000000000000 R09: 0000000000000000 # [ 31.887086] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 # [ 31.895057] R13: ffff9aed8196ff10 R14: ffff9aed8196ff10 R15: ffff91ecc30cb000 # [ 31.903026] FS: 00007fa268afc580(0000) GS:ffff91ed3ad80000(0000) knlGS:0000000000000000 # [ 31.912063] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 31.918480] CR2: ffff9aed8196bfff CR3: 000000010400e005 CR4: 00000000003706e0 # [ 31.926449] Call Trace: # [ 31.929176] ? lkdtm_CORRUPT_LIST_DEL+0xe0/0xe0 # [ 31.934233] direct_entry.cold+0x2c/0x38 # [ 31.938604] full_proxy_write+0x53/0x80 # [ 31.942887] vfs_write+0xe7/0x3a0 # [ 31.946585] ksys_write+0x68/0xf0 # [ 31.950276] do_syscall_64+0x30/0x40 # [ 31.954264] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 31.959905] RIP: 0033:0x7fa268a24f33 # [ 31.963885] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 31.984870] RSP: 002b:00007ffeab1cc608 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 31.993340] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fa268a24f33 # [ 32.001310] RDX: 0000000000000019 RSI: 00007fa268915000 RDI: 0000000000000001 # [ 32.009270] RBP: 00007fa268915000 R08: 00007fa268914010 R09: 0000000000000000 # [ 32.017239] R10: 00007fa268b1f1c0 R11: 0000000000000246 R12: 000[ 34.412986] lkdtm: Performing direct entry EXEC_DATA [ 34.422847] lkdtm: attempting ok execution at ffffffff81cde490 [ 34.429392] lkdtm: attempting bad execution at ffffffff8440c560 [ 34.436002] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 34.444387] BUG: unable to handle page fault for address: ffffffff8440c560 [ 34.452065] #PF: supervisor instruction fetch in kernel mode [ 34.458391] #PF: error_code(0x0011) - permissions violation [ 34.464604] PGD 138029067 P4D 138029067 PUD 13802a063 PMD 80000001396000e3 [ 34.472396] Oops: 0011 [#5] SMP PTI [ 34.476287] CPU: 2 PID: 1629 Comm: cat Tainted: G D W 5.10.137-cip14 #1 [ 34.484935] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 34.491742] RIP: 0010:data_area+0x0/0x40 [ 34.496118] Code: ff ff 00 cd 39 c4 ec 91 ff ff 00 cc 39 c4 ec 91 ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 [ 34.517101] RSP: 0018:ffff9aed8229fe48 EFLAGS: 00010246 [ 34.522936] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 0000000000001 # [ 32.025206] R13: 0000000000000001 R14: 00000[ 34.530913] RDX: 0000000000000000 RSI: ffff91ed3ad1bf70 RDI: ffff91ed3ad1bf70 [ 34.545094] RBP: ffffffff8440c560 R08: 0000000000000000 R09: 0000000000000000 [ 34.553063] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 34.561033] R13: ffff9aed8229ff10 R14: ffff9aed8229ff10 R15: ffff91ecc3003000 [ 34.569001] FS: 00007f0171d25580(0000) GS:ffff91ed3ad00000(0000) knlGS:0000000000000000 [ 34.578037] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 34.584453] CR2: ffffffff8440c560 CR3: 0000000103028001 CR4: 00000000003706e0 [ 34.592422] Call Trace: [ 34.595152] ? execute_location+0x45/0x56 [ 34.599629] ? direct_entry.cold+0x2c/0x38 [ 34.604203] ? full_proxy_write+0x53/0x80 [ 34.608680] ? vfs_write+0xe7/0x3a0 [ 34.612571] ? ksys_write+0x68/0xf0 [ 34.616463] ? do_syscall_64+0x30/0x40 [ 34.620645] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 34.626481] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 00000020000 R15: 0000000000020000 # [ 32.033179] Modules link[ 34.652933] CR2: ffffffff8440c560 [ 34.662841] ---[ end trace 639227b05bc389a0 ]--- [ 34.667996] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 34.672391] Code: 89 ff e8 4e bb 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 50 e4 72 02 [ 34.693389] RSP: 0018:ffff9aed8146fe60 EFLAGS: 00010286 [ 34.699216] RAX: ffffffff81cde0c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 34.707186] RDX: 0000000000000000 RSI: ffff91ed3ad9bf70 RDI: ffffffff828d9c10 [ 34.715147] RBP: ffffffff82d1b910 R08: 0000000000000001 R09: 0000000000000001 [ 34.723115] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 34.731084] R13: ffff9aed8146ff10 R14: ffff9aed8146ff10 R15: ffff91ecc4eb9000 [ 34.739055] FS: 00007f0171d25580(0000) GS:ffff91ed3ad00000(0000) knlGS:0000000000000000 [ 34.748093] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 34.754509] CR2: ffffffff8440c560 CR3: 0000000103028001 CR4: 00000000003706e0 [ 34.762478] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 34.772381] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1629, name: cat [ 34.780837] INFO: lockdep is turned off. [ 34.785215] irq event stamp: 0 [ 34.788612] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 34.795612] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 34.804745] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 34.813879] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 34.820877] CPU: 2 PID: 1629 Comm: cat Tainted: G D W 5.10.137-cip14 #1 [ 34.829524] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 34.836342] Call Trace: [ 34.839071] dump_stack+0x77/0x9b [ 34.842768] ___might_sleep.cold+0xa6/0xb6 [ 34.847342] exit_signals+0x1c/0x2e0 [ 34.851343] do_exit+0xd5/0xb00 [ 34.854846] ? ksys_write+0x68/0xf0 [ 34.858731] rewind_stack_do_exit+0x17/0x20 [ 34.863399] RIP: 0033:0x7f0171c4df33 [ 34.867394] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 34.888390] RSP: 002b:00007ffe464c66b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 34.896845] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f0171c4df33 [ 34.904813] RDX: 000000000000000a RSI: 00007f0171b3e000 RDI: 0000000000000001 [ 34.912781] RBP: 00007f0171b3e000 R08: 00007f0171b3d010 R09: 0000000000000000 [ 34.920749] R10: 00007f0171d481c0 R11: 0000000000000246 R12: 0000000000000001 [ 34.928720] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ed in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 32.059635] ---[ end trace 639227b05bc3899d ]--- # [ 32.071002] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 32.075385] Code: 89 ff e8 4e bb 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 50 e4 72 02 # [ 32.096391] RSP: 0018:ffff9aed8146fe60 EFLAGS: 00010286 # [ 32.102226] RAX: ffffffff81cde0c0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 32.110194] RDX: 0000000000000000 RSI: ffff91ed3ad9bf70 RDI: ffffffff828d9c10 # [ 32.118164] RBP: ffffffff82d1b910 R08: 0000000000000001 R09: 0000000000000001 # [ 32.126134] [ 35.021719] lkdtm: Performing direct entry EXEC_STACK [ 35.029385] lkdtm: attempting ok execution at ffffffff81cde490 [ 35.035911] lkdtm: attempting bad execution at ffff9aed8233fe18 [ 35.042556] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000[ 35.050921] BUG: unable to handle page fault for address: ffff9aed8233fe18 [ 35.064813] #PF: supervisor instruction fetch in kernel mode [ 35.071121] #PF: error_code(0x0011) - permissions violation [ 35.077342] PGD 100000067 P4D 100000067 PUD 100212067 PMD 10334a067 PTE 8000000105752063 [ 35.086389] Oops: 0011 [#6] SMP PTI [ 35.090280] CPU: 2 PID: 1666 Comm: cat Tainted: G D W 5.10.137-cip14 #1 [ 35.098929] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 35.105725] RIP: 0010:0xffff9aed8233fe18 [ 35.110102] Code: 00 00 18 fe 33 82 ed 9a ff ff 5a d5 33 82 ff ff ff ff 20 00 00 00 00 00 00 00 a6 06 cc 82 ff ff ff ff 89 d6 33 82 ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 [ 35.131074] RSP: 0018:ffff9aed8233fdf8 EFLAGS: 00010246 [ 35.136904] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 35.144874] RDX: 0000000000000000 RSI: ffff91ed3ad1bf70 RDI: ffff91ed3ad1bf70 [ 35.152843] RBP: ffff9aed8233fe18 R08: 0000000000000000 R09: 0000000000000000 [ 35.160812] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b [ 35.168781] R13: ffff9aed8233ff10 R14: ffff9aed8233ff10 R15: ffff91ecc4d5a000 [ 35.176751] FS: 00007f39ee0d9580(0000) GS:ffff91ed3ad00000(0000) knlGS:0000000000000000 [ 35.185788] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 35.192203] CR2: ffff9aed8233fe18 CR3: 0000000104f92003 CR4: 00000000003706e0 [ 35.200172] Call Trace: [ 35.202901] ? execute_location+0x45/0x56 [ 35.207388] ? lkdtm_EXEC_STACK+0x26/0x44 [ 35.211864] ? direct_entry.cold+0x2c/0x38 [ 35.216439] ? full_proxy_write+0x53/0x80 [ 35.220915] ? vfs_write+0xe7/0x3a0 [ 35.224806] ? ksys_write+0x68/0xf0 [ 35.228698] ? do_syscall_64+0x30/0x40 [ 35.232880] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 35.238716] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 4 # [ 32.134103] R13: ffff9aed8146ff10 R14: ffff9aed8146ff10 [ 35.265166] CR2: ffff9aed8233fe18 [ 35.275078] ---[ end trace 639227b05bc389a1 ]--- R15: ffff91ecc4eb9000 # [ 32.142072] FS: 00007fa268afc580(00[ 35.280235] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 35.290822] Code: 89 ff e8 4e bb 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 50 e4 72 02 [ 35.311802] RSP: 0018:ffff9aed8146fe60 EFLAGS: 00010286 [ 35.317633] RAX: ffffffff81cde0c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 35.325603] RDX: 0000000000000000 RSI: ffff91ed3ad9bf70 RDI: ffffffff828d9c10 [ 35.333571] RBP: ffffffff82d1b910 R08: 0000000000000001 R09: 0000000000000001 [ 35.341540] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 35.349508] R13: ffff9aed8146ff10 R14: ffff9aed8146ff10 R15: ffff91ecc4eb9000 [ 35.357477] FS: 00007f39ee0d9580(0000) GS:ffff91ed3ad00000(0000) knlGS:0000000000000000 [ 35.366505] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 35.372921] CR2: ffff9aed8233fe18 CR3: 0000000104f92003 CR4: 00000000003706e0 00) GS:ffff91ed3ad80000(0000) knlGS:0000000000000000 # [ 32.151108] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 32.157523] CR2: ffff9aed8196bfff CR3: 000000010400e005 CR4: 00000000003706e0 # [ 32.165492] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 32.175404] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1053, name: cat # [ 32.183860] INFO: lockdep is turned off. # [ 32.188234] irq event stamp: 0 # [ 32.191640] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 32.198641] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 32.207784] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 32.216921] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 32.[ 35.457041] lkdtm: Performing direct entry EXEC_KMALLOC [ 35.467563] lkdtm: attempting ok execution at ffffffff81cde490 [ 35.474112] lkdtm: attempting bad execution at ffff91ecc30cf280 [ 35.480779] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) 223919] CPU: 3 PID: 1053 Comm: cat Tainted: G D W 5[ 35.489144] BUG: unable to handle page fault for address: ffff91ecc30cf280 [ 35.503037] #PF: supervisor instruction fetch in kernel mode [ 35.509356] #PF: error_code(0x0011) - permissions violation [ 35.515576] PGD 139801067 P4D 139801067 PUD 10004e063 PMD 1031cc063 PTE 80000001030cf163 [ 35.524618] Oops: 0011 [#7] SMP PTI [ 35.528509] CPU: 3 PID: 1702 Comm: cat Tainted: G D W 5.10.137-cip14 #1 [ 35.537149] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 35.543953] RIP: 0010:0xffff91ecc30cf280 [ 35.548341] Code: 00 00 02 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0b 24 50 81 ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 [ 35.569340] RSP: 0018:ffff9aed823cfe38 EFLAGS: 00010246 [ 35.575173] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 35.583143] RDX: 0000000000000000 RSI: ffff91ed3ad9bf70 RDI: ffff91ed3ad9bf70 [ 35.591113] RBP: ffff91ecc30cf280 R08: 0000000000000000 R09: 0000000000000000 [ 35.599081] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 35.607050] R13: ffff9aed823cff10 R14: ffff9aed823cff10 R15: ffff91ecc365c000 [ 35.615018] FS: 00007f53c59ed580(0000) GS:ffff91ed3ad80000(0000) knlGS:0000000000000000 [ 35.624053] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 35.630467] CR2: ffff91ecc30cf280 CR3: 0000000104010002 CR4: 00000000003706e0 [ 35.638434] Call Trace: [ 35.641163] ? execute_location+0x45/0x56 [ 35.645637] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 [ 35.650306] ? direct_entry.cold+0x2c/0x38 [ 35.654880] ? full_proxy_write+0x53/0x80 [ 35.659355] ? vfs_write+0xe7/0x3a0 [ 35.663246] ? ksys_write+0x68/0xf0 [ 35.667138] ? do_syscall_64+0x30/0x40 [ 35.671342] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 35.677177] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify .10.137-cip14 #1 # [ 32.232568] Hardware name: Google Rammus/[ 35.703631] CR2: ffff91ecc30cf280 [ 35.713540] ---[ end trace 639227b05bc389a2 ]--- [ 35.718694] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 35.723062] Code: 89 ff e8 4e bb 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 50 e4 72 02 [ 35.744040] RSP: 0018:ffff9aed8146fe60 EFLAGS: 00010286 [ 35.749872] RAX: ffffffff81cde0c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 35.757840] RDX: 0000000000000000 RSI: ffff91ed3ad9bf70 RDI: ffffffff828d9c10 [ 35.765809] RBP: ffffffff82d1b910 R08: 0000000000000001 R09: 0000000000000001 [ 35.773779] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 35.781737] R13: ffff9aed8146ff10 R14: ffff9aed8146ff10 R15: ffff91ecc4eb9000 [ 35.789707] FS: 00007f53c59ed580(0000) GS:ffff91ed3ad80000(0000) knlGS:0000000000000000 [ 35.798744] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 35.805157] CR2: ffff91ecc30cf280 CR3: 0000000104010002 CR4: 00000000003706e0 [ 35.813125] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 35.823035] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1702, name: cat [ 35.831486] INFO: lockdep is turned off. [ 35.835861] irq event stamp: 0 [ 35.839265] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 35.846263] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 35.855396] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 35.864528] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 35.871525] CPU: 3 PID: 1702 Comm: cat Tainted: G D W 5.10.137-cip14 #1 [ 35.880170] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 35.886973] Call Trace: [ 35.889700] dump_stack+0x77/0x9b [ 35.893400] ___might_sleep.cold+0xa6/0xb6 [ 35.897970] exit_signals+0x1c/0x2e0 [ 35.901958] do_exit+0xd5/0xb00 [ 35.905461] ? ksys_write+0x68/0xf0 [ 35.909355] rewind_stack_do_exit+0x17/0x20 [ 35.914022] RIP: 0033:0x7f53c5915f33 [ 35.918010] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 35.938990] RSP: 002b:00007ffd8a33e298 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 35.947436] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f53c5915f33 [ 35.955403] RDX: 000000000000000d RSI: 00007f53c5806000 RDI: 0000000000000001 [ 35.963370] RBP: 00007f53c5806000 R08: 00007f53c5805010 R09: 0000000000000000 [ 35.971357] R10: 00007f53c5a101c0 R11: 0000000000000246 R12: 0000000000000001 [ 35.979347] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 Rammus, BIOS 09/04/2020 # [ 32.239390] Call Trace: # [ 32.242108] dump_stack+0x77/0x9b # [ 32.245806] ___might_sleep.cold+0xa6/0xb6 # [ 32.250397] exit_signals+0x1c/0x2e0 # [ 32.254395] do_exit+0xd5/0xb00 # [ 32.257898] ? ksys_write+0x68/0xf0 # [ 32.261791] rewind_stack_do_exit+0x17/0x20 # [ 32.266458] RIP: 0033:0x7fa268a24f33 # [ 32.270446] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 32.291428] RSP: 002b:00007ffeab1cc608 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 32.299884] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fa268a24f33 # [ 32.307852] RDX: 0000000000000019 RSI: 00007fa268915000 RDI: 0000000000000001 # [ 32.315819] RBP: 00007fa268915000 R08: 00007fa268914010 R09: 0000000000000000 # [ 32.323787] R10: 00007fa268b1f1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 32.331756] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 36.086776] lkdtm: Performing direct entry EXEC_VMALLOC [ 36.098860] lkdtm: attempting ok execution at ffffffff81cde490 # STACK_GUARD_PAGE_LEADING: saw 'call trace:': ok ok 12 selftes[ 36.105384] lkdtm: attempting bad execution at ffff9aed806c5000 [ 36.118225] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) ts: lkdtm: STACK_GUARD_PAGE_LEADING.sh # selftests: lkdtm: STAC[ 36.126590] BUG: unable to handle page fault for address: ffff9aed806c5000 [ 36.140482] #PF: supervisor instruction fetch in kernel mode [ 36.146799] #PF: error_code(0x0011) - permissions violation [ 36.153020] PGD 100000067 P4D 100000067 PUD 100212067 PMD 105445067 PTE 80000001027f3063 [ 36.162059] Oops: 0011 [#8] SMP PTI [ 36.165950] CPU: 3 PID: 1738 Comm: cat Tainted: G D W 5.10.137-cip14 #1 [ 36.174597] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 36.181402] RIP: 0010:0xffff9aed806c5000 [ 36.185777] Code: Unable to access opcode bytes at RIP 0xffff9aed806c4fd6. [ 36.193454] RSP: 0018:ffff9aed82467e38 EFLAGS: 00010246 [ 36.199276] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 36.207244] RDX: 0000000000000000 RSI: ffff91ed3ad9bf70 RDI: ffff91ed3ad9bf70 [ 36.215213] RBP: ffff9aed806c5000 R08: 0000000000000000 R09: 0000000000000000 [ 36.223181] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 36.231149] R13: ffff9aed82467f10 R14: ffff9aed82467f10 R15: ffff91ecc27f3000 [ 36.239116] FS: 00007f917873a580(0000) GS:ffff91ed3ad80000(0000) knlGS:0000000000000000 [ 36.248152] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 36.254566] CR2: ffff9aed806c4fd6 CR3: 00000001037d4001 CR4: 00000000003706e0 [ 36.262534] Call Trace: [ 36.265263] ? execute_location+0x45/0x56 [ 36.269738] ? lkdtm_EXEC_VMALLOC+0x20/0x30 [ 36.274405] ? direct_entry.cold+0x2c/0x38 [ 36.278977] ? full_proxy_write+0x53/0x80 [ 36.283450] ? vfs_write+0xe7/0x3a0 [ 36.287342] ? ksys_write+0x68/0xf0 [ 36.291235] ? do_syscall_64+0x30/0x40 [ 36.295418] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 36.301248] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify K_GUARD_PAGE_TRAILING.sh # Segmentation fault # [ 32.430518][ 36.327700] CR2: ffff9aed806c5000 [ 36.337609] ---[ end trace 639227b05bc389a3 ]--- [ 36.342763] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 36.347138] Code: 89 ff e8 4e bb 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 50 e4 72 02 [ 36.368119] RSP: 0018:ffff9aed8146fe60 EFLAGS: 00010286 [ 36.373952] RAX: ffffffff81cde0c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 36.381921] RDX: 0000000000000000 RSI: ffff91ed3ad9bf70 RDI: ffffffff828d9c10 [ 36.389890] RBP: ffffffff82d1b910 R08: 0000000000000001 R09: 0000000000000001 [ 36.397857] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 36.405825] R13: ffff9aed8146ff10 R14: ffff9aed8146ff10 R15: ffff91ecc4eb9000 [ 36.413794] FS: 00007f917873a580(0000) GS:ffff91ed3ad80000(0000) knlGS:0000000000000000 [ 36.422831] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 36.429244] CR2: ffff9aed806c4fd6 CR3: 00000001037d4001 CR4: 00000000003706e0 lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 32.440096] lkdtm: attempting bad read from page above current stack # [ 32.447229] BUG: stack guard page was hit at 000000006b8c10c4 (stack is 000000006949b2c7..00000000d61e2fcc) # [ 32.458120] kernel stack overflow (page fault): 0000 [#4] SMP PTI # [ 32.471135] CPU: 3 PID: 1086 Comm: cat Tainted: G D W 5.10.137-cip14 #1 # [ 32.479777] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 32.486578] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d # [ 32.493186] Code: a0 fd ff 0f 1f 44 00 00 53 48 c7 c7 58 0e cc 82 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 94 a0 fd ff 48 c7 c7 98 0e cc 82 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 77 a0 fd ff # [ 32.514170] RSP: 0018:ffff9aed819e7e50 EFLAGS: 00010246[ 36.516406] lkdtm: Performing direct entry EXEC_RODATA [ 36.523790] lkdtm: attempting ok execution at ffffffff81cde490 [ 36.530331] lkdtm: attempting bad execution at ffffffff828da0a0 # [ 32.520003] RAX: 0000000000000038 RBX: ffff9aed819e4000 RC[ 36.536954] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 36.551519] BUG: unable to handle page fault for address: ffffffff828da0a0 [ 36.559196] #PF: supervisor instruction fetch in kernel mode [ 36.565512] #PF: error_code(0x0011) - permissions violation [ 36.571732] PGD 138029067 P4D 138029067 PUD 13802a063 PMD 8000000137a000e1 [ 36.579509] Oops: 0011 [#9] SMP PTI [ 36.583400] CPU: 3 PID: 1774 Comm: cat Tainted: G D W 5.10.137-cip14 #1 [ 36.592046] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 36.598853] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 [ 36.604589] Code: ff ff f9 ea 33 82 ff ff ff ff f2 08 cc 82 ff ff ff ff 3f d2 33 82 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 [ 36.625571] RSP: 0018:ffff9aed824f7e48 EFLAGS: 00010246 [ 36.631394] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 36.639363] RDX: 0000000000000000 RSI: ffff91ed3ad9bf70 RDI: ffff91ed3ad9bf70 [ 36.647347] RBP: ffffffff828da0a0 R08: 0000000000000000 R09: 0000000000000000 [ 36.655340] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 36.663307] R13: ffff9aed824f7f10 R14: ffff9aed824f7f10 R15: ffff91ecc5d84000 [ 36.671276] FS: 00007f626561c580(0000) GS:ffff91ed3ad80000(0000) knlGS:0000000000000000 [ 36.680313] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 36.686750] CR2: ffffffff828da0a0 CR3: 000000010355e002 CR4: 00000000003706e0 [ 36.694717] Call Trace: [ 36.697444] ? execute_location+0x45/0x56 [ 36.701918] ? direct_entry.cold+0x2c/0x38 [ 36.706491] ? full_proxy_write+0x53/0x80 [ 36.710966] ? vfs_write+0xe7/0x3a0 [ 36.714856] ? ksys_write+0x68/0xf0 [ 36.718740] ? do_syscall_64+0x30/0x40 [ 36.722921] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 36.728756] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify X: 0000000000000000 # [ 32.527965] RDX: 0000000000000000 RSI:[ 36.755207] CR2: ffffffff828da0a0 [ 36.765116] ---[ end trace 639227b05bc389a4 ]--- [ 36.770261] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 36.774636] Code: 89 ff e8 4e bb 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 50 e4 72 02 [ 36.795614] RSP: 0018:ffff9aed8146fe60 EFLAGS: 00010286 [ 36.801447] RAX: ffffffff81cde0c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 36.809414] RDX: 0000000000000000 RSI: ffff91ed3ad9bf70 RDI: ffffffff828d9c10 [ 36.817398] RBP: ffffffff82d1b910 R08: 0000000000000001 R09: 0000000000000001 [ 36.825365] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 36.833340] R13: ffff9aed8146ff10 R14: ffff9aed8146ff10 R15: ffff91ecc4eb9000 [ 36.841308] FS: 00007f626561c580(0000) GS:ffff91ed3ad80000(0000) knlGS:0000000000000000 [ 36.850346] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 36.856761] CR2: ffffffff828da0a0 CR3: 000000010355e002 CR4: 00000000003706e0 [ 36.864729] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 36.874640] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1774, name: cat [ 36.883094] INFO: lockdep is turned off. [ 36.887469] irq event stamp: 0 [ 36.890873] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 36.897871] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 36.906998] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 36.916121] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 36.923119] CPU: 3 PID: 1774 Comm: cat Tainted: G D W 5.10.137-cip14 #1 [ 36.931765] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 36.938567] Call Trace: [ 36.941295] dump_stack+0x77/0x9b [ 36.944992] ___might_sleep.cold+0xa6/0xb6 [ 36.949554] exit_signals+0x1c/0x2e0 [ 36.953541] do_exit+0xd5/0xb00 [ 36.957044] ? ksys_write+0x68/0xf0 [ 36.960936] rewind_stack_do_exit+0x17/0x20 [ 36.965603] RIP: 0033:0x7f6265544f33 [ 36.969589] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 36.990566] RSP: 002b:00007fff806dc358 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 36.999020] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f6265544f33 [ 37.006987] RDX: 000000000000000c RSI: 00007f6265435000 RDI: 0000000000000001 [ 37.014954] RBP: 00007f6265435000 R08: 00007f6265434010 R09: 0000000000000000 [ 37.022921] R10: 00007f626563f1c0 R11: 0000000000000246 R12: 0000000000000001 [ 37.030889] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ffff91ed3ad9bf70 RDI: ffffffff82cc0e98 # [ 32.535934] RBP: ffffffff82cc0563 R08: 0000000000000000 R09: 0000000000000000 # [ 32.543903] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a # [ 32.551871] R13: ffff9aed819e7f10 R14: ffff9aed819e7f10 R15: ffff91ecc3904000 # [ 32.559840] FS: 00007fd6146ce580(0000) GS:ffff91ed3ad80000(0000) knlGS:0000000000000000 # [ 32.568877] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 32.575292] CR2: ffff9aed819e8000 CR3: 00000001034b6006 CR4: 00000000003706e0 # [ 32.583262] Call Trace: # [ 32.585988] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a # [ 32.591823] direct_entry.cold+0x2c/0x38 # [ 32.596202] full_proxy_write+0x53/0x80 # [ 32.600484] vfs_write+0xe7/0x3a0 # [ 32.604181] ksys_write+0x68/0xf0 # [ 32.607872] do_syscall_64+0x30/0x40 # [ 32.611861] entry_SYSCALL_64_after_hwframe[ 37.120762] lkdtm: Performing direct entry EXEC_USERSPACE [ 37.131944] lkdtm: attempting ok execution at ffffffff81cde490 [ 37.138517] lkdtm: attempting bad execution at 00007fca63999000 +0x61/0xc6 # [ 32.617492] RIP: 0033:0x7fd6145f6f33 # [ 32.[ 37.145148] unable to execute userspace code (SMEP?) (uid: 0) [ 37.157759] BUG: unable to handle page fault for address: 00007fca63999000 [ 37.165436] #PF: supervisor instruction fetch in kernel mode [ 37.171751] #PF: error_code(0x0011) - permissions violation [ 37.177972] PGD 800000010334f067 P4D 800000010334f067 PUD 102664067 PMD 1034ec067 PTE 139bde067 [ 37.187691] Oops: 0011 [#10] SMP PTI [ 37.191678] CPU: 3 PID: 1810 Comm: cat Tainted: G D W 5.10.137-cip14 #1 [ 37.200340] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 37.207143] RIP: 0010:0x7fca63999000 [ 37.211128] Code: Unable to access opcode bytes at RIP 0x7fca63998fd6. [ 37.218417] RSP: 0018:ffff9aed82587e50 EFLAGS: 00010246 [ 37.224248] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 [ 37.232215] RDX: 0000000000000000 RSI: ffff91ed3ad9bf70 RDI: ffff91ed3ad9bf70 [ 37.240184] RBP: 00007fca63999000 R08: 0000000000000000 R09: 0000000000000000 [ 37.248150] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f [ 37.256118] R13: ffff9aed82587f10 R14: ffff9aed82587f10 R15: ffff91ecc4e6d000 [ 37.264087] FS: 00007fca6396a580(0000) GS:ffff91ed3ad80000(0000) knlGS:0000000000000000 [ 37.273120] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 37.279534] CR2: 00007fca63999000 CR3: 00000001029f0005 CR4: 00000000003706e0 [ 37.287500] Call Trace: [ 37.290228] ? lkdtm_EXEC_USERSPACE.cold+0x66/0xae [ 37.295576] ? direct_entry.cold+0x2c/0x38 [ 37.300148] ? full_proxy_write+0x53/0x80 [ 37.304623] ? vfs_write+0xe7/0x3a0 [ 37.308513] ? ksys_write+0x68/0xf0 [ 37.312395] ? do_syscall_64+0x30/0x40 [ 37.316569] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 37.322396] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 621481] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff[ 37.348849] CR2: 00007fca63999000 [ 37.358757] ---[ end trace 639227b05bc389a5 ]--- [ 37.363910] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 37.368287] Code: 89 ff e8 4e bb 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 50 e4 72 02 [ 37.389267] RSP: 0018:ffff9aed8146fe60 EFLAGS: 00010286 [ 37.395097] RAX: ffffffff81cde0c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 37.403066] RDX: 0000000000000000 RSI: ffff91ed3ad9bf70 RDI: ffffffff828d9c10 [ 37.411033] RBP: ffffffff82d1b910 R08: 0000000000000001 R09: 0000000000000001 [ 37.419000] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 37.426969] R13: ffff9aed8146ff10 R14: ffff9aed8146ff10 R15: ffff91ecc4eb9000 [ 37.434938] FS: 00007fca6396a580(0000) GS:ffff91ed3ad80000(0000) knlGS:0000000000000000 [ 37.443974] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 37.450392] CR2: 00007fca63999000 CR3: 00000001029f0005 CR4: 00000000003706e0 ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 32.642462] RSP: 002b:00007ffdf53afdc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 32.650918] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007fd6145f6f33 # [ 32.658886] RDX: 000000000000001a RSI: 00007fd6144e7000 RDI: 0000000000000001 # [ 32.666857] RBP: 00007fd6144e7000 R08: 00007fd6144e6010 R09: 0000000000000000 # [ 32.674824] R10: 00007fd6146f11c0 R11: 0000000000000246 R12: 0000000000000001 # [ 32.682791] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 32.690763] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal[ 37.544426] lkdtm: Performing direct entry EXEC_NULL [ 37.550975] lkdtm: attempting ok execution at ffffffff81cde490 [ 37.557497] lkdtm: attempting bad execution at 0000000000000000 [ 37.564122] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 37.571925] #PF: supervisor instruction fetch in kernel mode [ 37.578242] #PF: error_code(0x0010) - not-present page [ 37.583977] PGD 0 P4D 0 [ 37.586800] Oops: 0010 [#11] SMP PTI [ 37.590788] CPU: 3 PID: 1846 Comm: cat Tainted: G D W 5.10.137-cip14 #1 [ 37.599427] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 37.606232] RIP: 0010:0x0 [ 37.609143] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. [ 37.616812] RSP: 0018:ffff9aed825ffe48 EFLAGS: 00010246 [ 37.622635] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 37.630601] RDX: 0000000000000000 RSI: ffff91ed3ad9bf70 RDI: ffff91ed3ad9bf70 [ 37.638569] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 37.646537] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 37.654504] R13: ffff9aed825fff10 R14: ffff9aed825fff10 R15: ffff91ecc416d000 [ 37.662472] FS: 00007f9931957580(0000) GS:ffff91ed3ad80000(0000) knlGS:0000000000000000 [ 37.671507] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 37.677922] CR2: ffffffffffffffd6 CR3: 00000001035c6001 CR4: 00000000003706e0 [ 37.685889] Call Trace: [ 37.688618] execute_location+0x45/0x56 [ 37.692898] direct_entry.cold+0x2c/0x38 [ 37.697277] full_proxy_write+0x53/0x80 [ 37.701558] vfs_write+0xe7/0x3a0 [ 37.705256] ksys_write+0x68/0xf0 [ 37.708953] do_syscall_64+0x30/0x40 [ 37.712941] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 37.718570] RIP: 0033:0x7f993187ff33 [ 37.722555] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 37.743535] RSP: 002b:00007ffc79945558 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 37.751990] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f993187ff33 [ 37.759960] RDX: 000000000000000a RSI: 00007f9931770000 RDI: 0000000000000001 [ 37.767927] RBP: 00007f9931770000 R08: 00007f993176f010 R09: 0000000000000000 [ 37.775895] R10: 00007f993197a1c0 R11: 0000000000000246 R12: 0000000000000001 [ 37.783863] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 37.791837] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify cros_ec_dev cros_usbpd_notify # [ 32.717216] ---[ end trace [ 37.818289] CR2: 0000000000000000 [ 37.828198] ---[ end trace 639227b05bc389a6 ]--- [ 37.833352] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 37.837728] Code: 89 ff e8 4e bb 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 50 e4 72 02 [ 37.858707] RSP: 0018:ffff9aed8146fe60 EFLAGS: 00010286 [ 37.864538] RAX: ffffffff81cde0c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 37.872505] RDX: 0000000000000000 RSI: ffff91ed3ad9bf70 RDI: ffffffff828d9c10 [ 37.880470] RBP: ffffffff82d1b910 R08: 0000000000000001 R09: 0000000000000001 [ 37.888438] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 37.896404] R13: ffff9aed8146ff10 R14: ffff9aed8146ff10 R15: ffff91ecc4eb9000 [ 37.904391] FS: 00007f9931957580(0000) GS:ffff91ed3ad80000(0000) knlGS:0000000000000000 [ 37.913417] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 37.919831] CR2: ffffffffffffffd6 CR3: 00000001035c6001 CR4: 00000000003706e0 [ 37.927800] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 37.937710] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1846, name: cat [ 37.946162] INFO: lockdep is turned off. [ 37.950536] irq event stamp: 0 [ 37.953939] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 37.960938] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 37.970061] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 37.979194] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 37.986193] CPU: 3 PID: 1846 Comm: cat Tainted: G D W 5.10.137-cip14 #1 [ 37.994830] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 38.001631] Call Trace: [ 38.004358] dump_stack+0x77/0x9b [ 38.008055] ___might_sleep.cold+0xa6/0xb6 [ 38.012618] exit_signals+0x1c/0x2e0 [ 38.016607] do_exit+0xd5/0xb00 [ 38.020101] ? ksys_write+0x68/0xf0 639227b05bc3899e ]--- # [ 32.728584] RIP: 0010:lkdtm_BUG+0x5/[ 38.023995] rewind_stack_do_exit+0x17/0x20 [ 38.034875] RIP: 0033:0x7f993187ff33 [ 38.038863] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 38.059833] RSP: 002b:00007ffc79945558 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 38.068277] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f993187ff33 [ 38.076243] RDX: 000000000000000a RSI: 00007f9931770000 RDI: 0000000000000001 [ 38.084209] RBP: 00007f9931770000 R08: 00007f993176f010 R09: 0000000000000000 [ 38.092176] R10: 00007f993197a1c0 R11: 0000000000000246 R12: 0000000000000001 [ 38.100143] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0x10 # [ 32.732959] Code: 89 ff e8 4e bb 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 50 e4 72 02 # [ 32.753941] RSP: 0018:ffff9aed8146fe60 EFLAGS: 00010286 # [ 32.759774] RAX: ffffffff81cde0c0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 32.767743] RDX: 0000000000000000 RSI: ffff91ed3ad9bf70 RDI: ffffffff828d9c10 # [ 32.775713] RBP: ffffffff82d1b910 R08: 0000000000000001 R09: 0000000000000001 # [ 32.783682] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 32.791651] R13: ffff9aed8146ff10 R14: ffff9aed8146ff10 R15: ffff91ecc4eb9000 # [ 32.799618] FS: 00007fd6146ce580(0000) GS:ffff91ed3ad80000(0000) knlGS:0000000000000000 # [ 32.808655] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 32.815070] CR2: ffff9[ 38.194029] lkdtm: Performing direct entry ACCESS_USERSPACE aed819e8000 CR3: 00000001034b6006 CR4: 00000000003706e0 # STACK[ 38.201409] lkdtm: attempting bad read at 00007f1bfa7ef000 _GUARD_PAGE_TRAILING: saw 'call trace:': ok ok 13 selftests: lk[ 38.213758] BUG: unable to handle page fault for address: 00007f1bfa7ef000 [ 38.227626] #PF: supervisor read access in kernel mode [ 38.233382] #PF: error_code(0x0001) - permissions violation [ 38.239603] PGD 800000010398e067 P4D 800000010398e067 PUD 10576f067 PMD 104d6c067 PTE 107d61067 dtm: STACK_GUARD_PAGE_TRAILING.sh # selftests: lkdtm: UNSET_SME[ 38.249342] Oops: 0001 [#12] SMP PTI [ 38.259541] CPU: 1 PID: 1881 Comm: cat Tainted: G D W 5.10.137-cip14 #1 [ 38.268178] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 38.274986] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 P.sh # [ 32.911380] lkdtm: Performing direct entry UNSET_SMEP[ 38.281208] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 10 16 cc 82 e8 08 9a fd ff 48 c7 c7 38 16 cc 82 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 ef 99 fd ff 48 89 ee 48 c7 c7 60 16 cc [ 38.308398] RSP: 0018:ffff9aed82687e48 EFLAGS: 00010246 [ 38.314231] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 [ 38.322191] RDX: 0000000000000000 RSI: ffff91ed3ac9bf70 RDI: ffffffff82cc1638 [ 38.330159] RBP: 00007f1bfa7ef000 R08: 0000000000000000 R09: 0000000000000000 [ 38.338128] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 [ 38.346087] R13: ffff9aed82687f10 R14: ffff9aed82687f10 R15: ffff91ecc318d000 [ 38.354055] FS: 00007f1bfa7c0580(0000) GS:ffff91ed3ac80000(0000) knlGS:0000000000000000 [ 38.363083] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.369489] CR2: 00007f1bfa7ef000 CR3: 00000001033ea004 CR4: 00000000003706e0 [ 38.377456] Call Trace: [ 38.380184] direct_entry.cold+0x2c/0x38 # [ 32.921953] lkdtm: trying to clear SMEP normally # [ 3[ 38.384565] full_proxy_write+0x53/0x80 [ 38.395055] vfs_write+0xe7/0x3a0 2.927116] ------------[ cut here ]------------ # [ 32.932284][ 38.398753] ksys_write+0x68/0xf0 [ 38.408662] do_syscall_64+0x30/0x40 pinned CR4 bits changed: 0x100000!? # [ 32.937359] WARNING: [ 38.412650] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 38.424502] RIP: 0033:0x7f1bfa6e8f33 [ 38.428491] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 38.449461] RSP: 002b:00007ffc77f62a28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 38.457914] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f1bfa6e8f33 [ 38.465882] RDX: 0000000000000011 RSI: 00007f1bfa5d9000 RDI: 0000000000000001 [ 38.473849] RBP: 00007f1bfa5d9000 R08: 00007f1bfa5d8010 R09: 0000000000000000 [ 38.481818] R10: 00007f1bfa7e31c0 R11: 0000000000000246 R12: 0000000000000001 [ 38.489787] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 CPU: 2 PID: 1122 at arch/x86/kernel/cpu/common.c:392 native_writ[ 38.497758] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 38.530392] CR2: 00007f1bfa7ef000 [ 38.534088] ---[ end trace 639227b05bc389a7 ]--- [ 38.539243] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 38.543620] Code: 89 ff e8 4e bb 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 50 e4 72 02 [ 38.564591] RSP: 0018:ffff9aed8146fe60 EFLAGS: 00010286 [ 38.570422] RAX: ffffffff81cde0c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 38.578395] RDX: 0000000000000000 RSI: ffff91ed3ad9bf70 RDI: ffffffff828d9c10 [ 38.586362] RBP: ffffffff82d1b910 R08: 0000000000000001 R09: 0000000000000001 [ 38.594339] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 38.602307] R13: ffff9aed8146ff10 R14: ffff9aed8146ff10 R15: ffff91ecc4eb9000 [ 38.610276] FS: 00007f1bfa7c0580(0000) GS:ffff91ed3ac80000(0000) knlGS:0000000000000000 [ 38.619314] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.625752] CR2: 00007f1bfa7ef000 CR3: 00000001033ea004 CR4: 00000000003706e0 e_cr4+0x45/0x60 # [ 32.947592] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 32.974050] CPU: 2 PID: 1122 Comm: cat Tainted: G D W 5.10.137-cip14 #1 # [ 32.988909] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 32.995716] RIP: 0010:native_write_cr4+0x45/0x60 # [ 33.000875] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d 09 8f c3 01 00 75 f2 48 c7 c7 98 fb bf 82 c6 05 f9 8e c3 01 01 e8 e6 d0 e4 00 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 # [ 33.021862] RSP: 0018:ffff9aed81a6fe48 EFLAGS: 00010286 # [ 33.027699] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 0000000000000000 # [ 33.035672] RDX: f[ 38.715403] lkdtm: Performing direct entry ACCESS_NULL fff91ed3ad2c660 RSI: ffff91ed3ad1bf70 RDI: ffff91ed3ad1bf70 # [[ 38.726472] lkdtm: attempting bad read at 0000000000000000 33.043648] RBP: ffffffff82cc057d R08: 0000000000000000 R09: 0[ 38.738838] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 38.752805] #PF: supervisor read access in kernel mode [ 38.758540] #PF: error_code(0x0000) - not-present page [ 38.764275] PGD 0 P4D 0 [ 38.767099] Oops: 0000 [#13] SMP PTI [ 38.771087] CPU: 1 PID: 1916 Comm: cat Tainted: G D W 5.10.137-cip14 #1 [ 38.779734] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 38.786539] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 000000000000000 # [ 33.051645] R10: 00000000ffffe000 R11: 3ff[ 38.791790] Code: ac 99 fd ff be 00 10 00 00 48 89 ef e8 3c 97 3c ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 10 16 cc 82 e8 86 99 fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 38 16 cc 82 48 01 [ 38.818979] RSP: 0018:ffff9aed8270fe58 EFLAGS: 00010246 [ 38.824813] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 [ 38.832772] RDX: 0000000000000000 RSI: ffff91ed3ac9bf70 RDI: ffff91ed3ac9bf70 [ 38.840740] RBP: ffffffff82cc0701 R08: 0000000000000000 R09: 0000000000000000 [ 38.848708] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 38.856676] R13: ffff9aed8270ff10 R14: ffff9aed8270ff10 R15: ffff91ecc4e80000 [ 38.864644] FS: 00007fa697cbd580(0000) GS:ffff91ed3ac80000(0000) knlGS:0000000000000000 [ 38.873681] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.880095] CR2: 0000000000000000 CR3: 000000010414a001 CR4: 00000000003706e0 [ 38.888061] Call Trace: [ 38.890788] direct_entry.cold+0x2c/0x38 fffffffffffff R12: 000000000000000b # [ 33.059619] R13: ffff9[ 38.895167] full_proxy_write+0x53/0x80 [ 38.905658] vfs_write+0xe7/0x3a0 aed81a6ff10 R14: ffff9aed81a6ff10 R15: ffff91ecc5649000 # [ 3[ 38.909357] ksys_write+0x68/0xf0 [ 38.919265] do_syscall_64+0x30/0x40 [ 38.923254] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 38.928892] RIP: 0033:0x7fa697be5f33 [ 38.932880] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 38.953852] RSP: 002b:00007ffc73cec8a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 38.962298] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fa697be5f33 [ 38.970266] RDX: 000000000000000c RSI: 00007fa697ad6000 RDI: 0000000000000001 [ 38.978234] RBP: 00007fa697ad6000 R08: 00007fa697ad5010 R09: 0000000000000000 [ 38.986199] R10: 00007fa697ce01c0 R11: 0000000000000246 R12: 0000000000000001 [ 38.994167] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 3.067593] FS: 00007f99e943e580(0000) GS:ffff91ed3ad00000(0000) [ 39.002140] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 39.034774] CR2: 0000000000000000 [ 39.038470] ---[ end trace 639227b05bc389a8 ]--- [ 39.043623] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 39.048000] Code: 89 ff e8 4e bb 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 50 e4 72 02 [ 39.068978] RSP: 0018:ffff9aed8146fe60 EFLAGS: 00010286 [ 39.074810] RAX: ffffffff81cde0c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 39.082777] RDX: 0000000000000000 RSI: ffff91ed3ad9bf70 RDI: ffffffff828d9c10 [ 39.090744] RBP: ffffffff82d1b910 R08: 0000000000000001 R09: 0000000000000001 [ 39.098711] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 39.106679] R13: ffff9aed8146ff10 R14: ffff9aed8146ff10 R15: ffff91ecc4eb9000 [ 39.114649] FS: 00007fa697cbd580(0000) GS:ffff91ed3ac80000(0000) knlGS:0000000000000000 [ 39.123676] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.130091] CR2: 0000000000000000 CR3: 000000010414a001 CR4: 00000000003706e0 [ 39.138061] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 39.147971] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1916, name: cat [ 39.156416] INFO: lockdep is turned off. [ 39.160792] irq event stamp: 0 [ 39.164196] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 39.171196] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 39.180343] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 39.189476] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 39.196474] CPU: 1 PID: 1916 Comm: cat Tainted: G D W 5.10.137-cip14 #1 [ 39.205121] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 39.211922] Call Trace: [ 39.214651] dump_stack+0x77/0x9b knlGS:0000000000000000 # [ 33.076636] CS: 0010 DS: 0000 ES: [ 39.218350] ___might_sleep.cold+0xa6/0xb6 [ 39.229132] exit_signals+0x1c/0x2e0 [ 39.233120] do_exit+0xd5/0xb00 [ 39.236623] ? ksys_write+0x68/0xf0 [ 39.240515] rewind_stack_do_exit+0x17/0x20 [ 39.245182] RIP: 0033:0x7fa697be5f33 [ 39.249169] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 39.270148] RSP: 002b:00007ffc73cec8a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 39.278592] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fa697be5f33 [ 39.286561] RDX: 000000000000000c RSI: 00007fa697ad6000 RDI: 0000000000000001 [ 39.294529] RBP: 00007fa697ad6000 R08: 00007fa697ad5010 R09: 0000000000000000 [ 39.302497] R10: 00007fa697ce01c0 R11: 0000000000000246 R12: 0000000000000001 [ 39.310465] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0000 CR0: 0000000080050033 # [ 33.083054] CR2: 00007f99e9257000 CR3: 0000000103798001 CR4: 00000000003706e0 # [ 33.091029] Call Trace: # [ 33.093762] lkdtm_UNSET_SMEP.cold+0x1d/0x103 # [ 33.098652] direct_entry.cold+0x2c/0x38 # [ 33.103066] full_proxy_write+0x53/0x80 # [ 33.107417] vfs_write+0xe7/0x3a0 # [ 33.111127] ksys_write+0x68/0xf0 # [ 33.121041] do_syscall_64+0x30/0x40 # [ 33.125059] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 33.136910] RIP: 0033:0x7f99e9366f33 # [ 33.140901] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 33.161890] RSP: 002b:00007fffd59fc238 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 33.170390] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f99e9366f33 # [ 33.178364] RDX: 000000000000000b RSI: 00007f99e925[ 39.406054] lkdtm: Performing direct entry WRITE_RO 7000 RDI: 0000000000000001 # [ 33.186349] RBP: 00007f99e92570[ 39.417116] lkdtm: attempting bad rodata write at ffffffff828da090 00 R08: 00007f99e9256010 R09: 0000000000000000 # [ 33.194326][ 39.430259] BUG: unable to handle page fault for address: ffffffff828da090 [ 39.444128] #PF: supervisor write access in kernel mode [ 39.449960] #PF: error_code(0x0003) - permissions violation [ 39.456181] PGD 138029067 P4D 138029067 PUD 13802a063 PMD 8000000137a000e1 R10: 00007f99e94611c0 R11: 0000000000000246 R12: 00000000000000[ 39.463959] Oops: 0003 [#14] SMP PTI [ 39.474158] CPU: 1 PID: 1951 Comm: cat Tainted: G D W 5.10.137-cip14 #1 [ 39.482806] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 39.489613] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a 01 # [ 33.208509] R13: 0000000000000001 R14: 0000000000020000[ 39.494571] Code: 00 48 c7 c7 f0 14 cc 82 48 c7 c6 90 a0 8d 82 e8 30 9c fd ff 48 8b 05 06 cb 59 00 ba 34 12 cd ab 48 c7 c7 20 15 cc 82 48 31 d0 <48> 89 05 f0 ca 59 00 e9 0e 9c fd ff 0f 1f 44 00 00 48 8b 05 77 ed [ 39.521764] RSP: 0018:ffff9aed827cfe60 EFLAGS: 00010202 [ 39.527589] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 [ 39.535555] RDX: 00000000abcd1234 RSI: ffff91ed3ac9bf70 RDI: ffffffff82cc1520 [ 39.543523] RBP: ffffffff82cc070d R08: 0000000000000000 R09: 0000000000000000 [ 39.551491] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 [ 39.559459] R13: ffff9aed827cff10 R14: ffff9aed827cff10 R15: ffff91ecc4dc7000 [ 39.567426] FS: 00007fa6602f4580(0000) GS:ffff91ed3ac80000(0000) knlGS:0000000000000000 [ 39.576462] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.582875] CR2: ffffffff828da090 CR3: 0000000104eec001 CR4: 00000000003706e0 [ 39.590842] Call Trace: [ 39.593568] direct_entry.cold+0x2c/0x38 [ 39.597938] full_proxy_write+0x53/0x80 R15: 0000000000020000 # [ 33.216485] irq event stamp: 0 # [[ 39.602219] vfs_write+0xe7/0x3a0 [ 39.612126] ksys_write+0x68/0xf0 [ 39.615816] do_syscall_64+0x30/0x40 [ 39.619804] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 39.625434] RIP: 0033:0x7fa66021cf33 [ 39.629422] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 39.650404] RSP: 002b:00007ffe240cfed8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 39.658856] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007fa66021cf33 [ 39.666823] RDX: 0000000000000009 RSI: 00007fa66010d000 RDI: 0000000000000001 [ 39.674791] RBP: 00007fa66010d000 R08: 00007fa66010c010 R09: 0000000000000000 [ 39.682758] R10: 00007fa6603171c0 R11: 0000000000000246 R12: 0000000000000001 [ 39.690724] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 33.219918] hardirqs last enabled at (0): [<0000000000000000>[ 39.698695] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 39.731342] CR2: ffffffff828da090 [ 39.735039] ---[ end trace 639227b05bc389a9 ]--- [ 39.740193] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 39.744569] Code: 89 ff e8 4e bb 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 50 e4 72 02 [ 39.765549] RSP: 0018:ffff9aed8146fe60 EFLAGS: 00010286 [ 39.771392] RAX: ffffffff81cde0c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 39.779362] RDX: 0000000000000000 RSI: ffff91ed3ad9bf70 RDI: ffffffff828d9c10 [ 39.787341] RBP: ffffffff82d1b910 R08: 0000000000000001 R09: 0000000000000001 [ 39.795309] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 39.803278] R13: ffff9aed8146ff10 R14: ffff9aed8146ff10 R15: ffff91ecc4eb9000 [ 39.811248] FS: 00007fa6602f4580(0000) GS:ffff91ed3ac80000(0000) knlGS:0000000000000000 [ 39.820286] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.826699] CR2: ffffffff828da090 CR3: 0000000104eec001 CR4: 00000000003706e0 ] 0x0 # [ 33.233131] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 33.242269] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 33.251408] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 33.258410] ---[ end trace 639227b05bc3899f ]--- # [ 33.263567] lkdtm: ok: SMEP did not get cleared # [ 33.268625] lkdtm: trying to clear SMEP with call gadget # [ 33.274559] lkdtm: ok: SMEP removal was reverted # UNSET_SMEP: saw 'pinned CR4 bits changed:': ok ok 14 selftests: lkdtm: UNSET_SMEP.sh # selftests: lkdtm: DOUBLE_FAULT.sh # [ 33.380631] lkdtm: Performing direct entry DOUBLE_FAULT # [ 33.391251] lkdtm: XFAIL: this test is ia32-only # DOUBLE_FAULT: saw 'XFAIL': [SKIP] ok 15 selftests: lkdtm: DOUBLE_FAULT.sh # SKIP # selftests: lkdtm: CORRUPT_PAC.sh # [ 33.480158] lkdtm: Performing direct entry CORRUPT_PAC # [ 33.489214] lkdtm: XFAIL: this test is arm64-only # CORRUPT_PAC: saw 'XFAIL': [SKIP] ok 16 s[ 39.929759] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT [ 39.940631] lkdtm: attempting bad ro_after_init write at ffffffff82d3c328 [ 39.948240] BUG: unable to handle page fault for address: ffffffff82d3c328 [ 39.955948] #PF: supervisor write access in kernel mode [ 39.961780] #PF: error_code(0x0003) - permissions violation [ 39.968000] PGD 138029067 P4D 138029067 PUD 13802a063 PMD 104d43063 PTE 8000000137f3c061 [ 39.977040] Oops: 0003 [#15] SMP PTI [ 39.981027] CPU: 3 PID: 1986 Comm: cat Tainted: G D W 5.10.137-cip14 #1 [ 39.989674] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 39.996480] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a [ 40.002506] Code: 15 cc 82 e9 e2 9b fd ff 48 c7 c7 78 15 cc 82 e8 d6 9b fd ff 48 8b 05 44 ed 9f 00 ba 34 12 cd ab 48 c7 c7 20 15 cc 82 48 31 d0 <48> 89 05 2e ed 9f 00 e9 b4 9b fd ff 0f 1f 44 00 00 41 54 48 c7 c7 [ 40.023485] RSP: 0018:ffff9aed82867e60 EFLAGS: 00010202 [ 40.029340] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 [ 40.037309] RDX: 00000000abcd1234 RSI: ffff91ed3ad9bf70 RDI: ffffffff82cc1520 [ 40.045277] RBP: ffffffff82cc0716 R08: 0000000000000000 R09: 0000000000000000 [ 40.053245] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 [ 40.061212] R13: ffff9aed82867f10 R14: ffff9aed82867f10 R15: ffff91ecc56c9000 [ 40.069179] FS: 00007f5319096580(0000) GS:ffff91ed3ad80000(0000) knlGS:0000000000000000 [ 40.078214] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 40.084627] CR2: ffffffff82d3c328 CR3: 0000000103626005 CR4: 00000000003706e0 [ 40.092593] Call Trace: [ 40.095342] direct_entry.cold+0x2c/0x38 [ 40.099721] full_proxy_write+0x53/0x80 [ 40.104002] vfs_write+0xe7/0x3a0 [ 40.107697] ksys_write+0x68/0xf0 [ 40.111398] do_syscall_64+0x30/0x40 [ 40.115399] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 40.121037] RIP: 0033:0x7f5318fbef33 [ 40.125024] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 40.146000] RSP: 002b:00007ffeca61ff48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 40.154454] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f5318fbef33 [ 40.162421] RDX: 0000000000000014 RSI: 00007f5318eaf000 RDI: 0000000000000001 [ 40.170396] RBP: 00007f5318eaf000 R08: 00007f5318eae010 R09: 0000000000000000 [ 40.178363] R10: 00007f53190b91c0 R11: 0000000000000246 R12: 0000000000000001 [ 40.186340] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 40.194311] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify elftests: lkdtm: CORRUPT_PAC.sh # SKIP # selftests: lkdtm: UNAL[ 40.220767] CR2: ffffffff82d3c328 [ 40.230675] ---[ end trace 639227b05bc389aa ]--- [ 40.235829] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 40.240205] Code: 89 ff e8 4e bb 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 50 e4 72 02 [ 40.261184] RSP: 0018:ffff9aed8146fe60 EFLAGS: 00010286 [ 40.267016] RAX: ffffffff81cde0c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 40.274984] RDX: 0000000000000000 RSI: ffff91ed3ad9bf70 RDI: ffffffff828d9c10 [ 40.282951] RBP: ffffffff82d1b910 R08: 0000000000000001 R09: 0000000000000001 [ 40.290918] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 40.298885] R13: ffff9aed8146ff10 R14: ffff9aed8146ff10 R15: ffff91ecc4eb9000 [ 40.306852] FS: 00007f5319096580(0000) GS:ffff91ed3ad80000(0000) knlGS:0000000000000000 [ 40.315887] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 40.322299] CR2: ffffffff82d3c328 CR3: 0000000103626005 CR4: 00000000003706e0 [ 40.330265] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 40.340175] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1986, name: cat [ 40.348627] INFO: lockdep is turned off. [ 40.353003] irq event stamp: 0 [ 40.356406] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 40.363402] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 40.372534] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 40.381667] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 40.388663] CPU: 3 PID: 1986 Comm: cat Tainted: G D W 5.10.137-cip14 #1 [ 40.397310] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 40.404113] Call Trace: [ 40.406841] dump_stack+0x77/0x9b [ 40.410540] ___might_sleep.cold+0xa6/0xb6 [ 40.415112] exit_signals+0x1c/0x2e0 [ 40.419099] do_exit+0xd5/0xb00 [ 40.422602] ? ksys_write+0x68/0xf0 [ 40.426493] rewind_stack_do_exit+0x17/0x20 [ 40.431160] RIP: 0033:0x7f5318fbef33 [ 40.435147] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 40.456125] RSP: 002b:00007ffeca61ff48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 40.464578] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f5318fbef33 [ 40.472546] RDX: 0000000000000014 RSI: 00007f5318eaf000 RDI: 0000000000000001 [ 40.480513] RBP: 00007f5318eaf000 R08: 00007f5318eae010 R09: 0000000000000000 [ 40.488481] R10: 00007f53190b91c0 R11: 0000000000000246 R12: 0000000000000001 [ 40.496447] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 IGNED_LOAD_STORE_WRITE.sh # [ 33.584545] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 33.595040] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # UNALIGNED_LOAD_STORE_WRITE: saw 'XFAIL': [SKIP] ok 17 selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh # SKIP # selftests: lkdtm: OVERWRITE_ALLOCATION.sh # Skipping OVERWRITE_ALLOCATION: Corrupts memory on failure ok 18 selftests: lkdtm: OVERWRITE_ALLOCATION.sh # SKIP # selftests: lkdtm: WRITE_AFTER_FREE.sh # Skipping WRITE_AFTER_FREE: Corrupts memory on failure ok 19 selftests: lkdtm: WRITE_AFTER_FREE.sh # SKIP # selftests: lkdtm: READ_AFTER_FREE.sh # [ 33.740194] lkdtm: Performing direct entry READ_AFTER_FREE # [ 33.751710] lkdtm: Value in memory before free: 12345678 # [ 33.763831] lkdtm: Attempting bad read from freed memory # [ 33.775978] lkdtm: Memory was not poisoned # READ_AFTER_FREE: missing 'call trace:': [FAIL] not ok 20 selftests: lkdtm: READ_AFTER_FREE.sh # exit=1 # selftests: lkdtm: WRITE_BUD[ 40.598939] lkdtm: Performing direct entry WRITE_KERN [ 40.609541] lkdtm: attempting bad 6680692 byte write at ffffffff8233d504 [ 40.617030] BUG: unable to handle page fault for address: ffffffff8233d504 [ 40.624739] #PF: supervisor write access in kernel mode [ 40.630571] #PF: error_code(0x0003) - permissions violation [ 40.636789] PGD 138029067 P4D 138029067 PUD 13802a063 PMD 1374000e1 [ 40.643886] Oops: 0003 [#16] SMP PTI [ 40.647875] CPU: 3 PID: 2021 Comm: cat Tainted: G D W 5.10.137-cip14 #1 [ 40.656522] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 40.663346] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e DY_AFTER_FREE.sh # Skipping WRITE_BUDDY_AFTER_FREE: Corrupts me[ 40.668500] Code: 53 48 c7 c3 04 d5 33 82 49 89 dc 48 89 da 49 81 ec 90 e4 cd 81 4c 89 e6 e8 89 9b fd ff 48 89 df 4c 89 e1 48 c7 c6 90 e4 cd 81 a4 48 c7 c7 20 15 cc 82 e8 6e 9b fd ff 5b 41 5c e9 b7 fe ff ff [ 40.695689] RSP: 0018:ffff9aed8290fe50 EFLAGS: 00010246 [ 40.701522] RAX: 000000000000003c RBX: ffffffff8233d504 RCX: 000000000065f074 [ 40.709489] RDX: 0000000000000000 RSI: ffffffff81cde490 RDI: ffffffff8233d504 [ 40.717457] RBP: ffffffff82cc072a R08: 0000000000000000 R09: 0000000000000000 [ 40.725424] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000065f074 [ 40.733400] R13: ffff9aed8290ff10 R14: ffff9aed8290ff10 R15: ffff91ecc5c6e000 [ 40.741368] FS: 00007f110efd7580(0000) GS:ffff91ed3ad80000(0000) knlGS:0000000000000000 [ 40.750402] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 40.756815] CR2: ffffffff8233d504 CR3: 00000001039c2006 CR4: 00000000003706e0 [ 40.764783] Call Trace: [ 40.767510] direct_entry.cold+0x2c/0x38 [ 40.771889] full_proxy_write+0x53/0x80 [ 40.776169] vfs_write+0xe7/0x3a0 [ 40.779867] ksys_write+0x68/0xf0 [ 40.783566] do_syscall_64+0x30/0x40 [ 40.787554] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 40.793191] RIP: 0033:0x7f110eefff33 [ 40.797179] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 40.818158] RSP: 002b:00007fffe94a7198 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 40.826611] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f110eefff33 [ 40.834579] RDX: 000000000000000b RSI: 00007f110edf0000 RDI: 0000000000000001 [ 40.842545] RBP: 00007f110edf0000 R08: 00007f110edef010 R09: 0000000000000000 [ 40.850512] R10: 00007f110effa1c0 R11: 0000000000000246 R12: 0000000000000001 [ 40.858481] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 40.866452] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify mory on failure ok 21 selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.[ 40.892905] CR2: ffffffff8233d504 [ 40.902812] ---[ end trace 639227b05bc389ab ]--- [ 40.907965] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 40.912342] Code: 89 ff e8 4e bb 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 50 e4 72 02 [ 40.933340] RSP: 0018:ffff9aed8146fe60 EFLAGS: 00010286 [ 40.939172] RAX: ffffffff81cde0c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 40.947140] RDX: 0000000000000000 RSI: ffff91ed3ad9bf70 RDI: ffffffff828d9c10 [ 40.955109] RBP: ffffffff82d1b910 R08: 0000000000000001 R09: 0000000000000001 [ 40.963077] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 40.971043] R13: ffff9aed8146ff10 R14: ffff9aed8146ff10 R15: ffff91ecc4eb9000 [ 40.979009] FS: 00007f110efd7580(0000) GS:ffff91ed3ad80000(0000) knlGS:0000000000000000 [ 40.988045] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 40.994457] CR2: ffffffff8233d504 CR3: 00000001039c2006 CR4: 00000000003706e0 sh # SKIP # selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh # [ 33.874945] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 33.886718] lkdtm: Value in memory before free: 12345678 # [ 33.892667] lkdtm: Attempting to read from freed memory # [ 33.904713] lkdtm: Buddy page was not poisoned # READ_BUDDY_AFTER_FREE: missing 'call trace:': [FAIL] not ok 22 selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh # exit=1 # selftests: lkdtm: SLAB_FREE_DOUBLE.sh # [ 33.977538] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 33.984273] lkdtm: Attempting double slab free ... # SLAB_FREE_DOUBLE: missing 'call trace:': [FAIL] not ok 23 selftests: lkdtm: SLAB_FREE_DOUBLE.sh # exit=1 # selftests: lkdtm: SLAB_FREE_CROSS.sh # [ 34.084573] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 34.095301] lkdtm: Attempting cross-cache slab free ... # SLAB_FREE_CROSS: missing 'call trace:': [FAIL] not ok 24 selftests: lkdtm: SLAB_FREE_CROSS.s[ 41.092600] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW [ 41.102407] lkdtm: attempting good refcount_inc() without overflow h # exit=1 # selftests: lkdtm: SLAB_FREE_PAGE.sh # [ 34.1963[ 41.109342] lkdtm: attempting bad refcount_inc() overflow [ 41.121576] ------------[ cut here ]------------ [ 41.126754] refcount_t: saturated; leaking memory. [ 41.132130] WARNING: CPU: 3 PID: 2056 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 67] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 34.2066[ 41.141565] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 41.174195] CPU: 3 PID: 2056 Comm: cat Tainted: G D W 5.10.137-cip14 #1 [ 41.182844] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 41.189651] RIP: 0010:refcount_warn_saturate+0x51/0x110 [ 41.195485] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d a4 3c 74 01 00 75 ee 48 c7 c7 78 c2 c5 82 c6 05 94 3c 74 01 01 e8 9a 7d 95 00 <0f> 0b c3 cc cc cc cc 80 3d 80 3c 74 01 00 75 cb 48 c7 c7 a0 c2 c5 [ 41.216466] RSP: 0018:ffff9aed829a7e48 EFLAGS: 00010286 [ 41.222302] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 [ 41.230273] RDX: ffff91ed3adac660 RSI: ffff91ed3ad9bf70 RDI: ffff91ed3ad9bf70 [ 41.238244] RBP: ffffffff82cc0735 R08: 0000000000000000 R09: 0000000000000000 [ 41.246215] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 [ 41.254187] R13: ffff9aed829a7f10 R14: ffff9aed829a7f10 R15: ffff91ecc4295000 [ 41.262158] FS: 00007f40a98d2580(0000) GS:ffff91ed3ad80000(0000) knlGS:0000000000000000 [ 41.271196] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.277614] CR2: 00007f40a96eb000 CR3: 000000010564e001 CR4: 00000000003706e0 [ 41.285583] Call Trace: [ 41.288331] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 58] lkdtm: Attempting non-Slab slab free ... # SLAB_FREE_PAGE: [ 41.293692] direct_entry.cold+0x2c/0x38 [ 41.304299] full_proxy_write+0x53/0x80 missing 'call trace:': [FAIL] not ok 25 selftests: lkdtm: SLAB_[ 41.308594] vfs_write+0xe7/0x3a0 [ 41.318500] ksys_write+0x68/0xf0 [ 41.322201] do_syscall_64+0x30/0x40 [ 41.326216] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 41.331857] RIP: 0033:0x7f40a97faf33 [ 41.335847] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 41.356831] RSP: 002b:00007ffd9b690538 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 41.365288] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f40a97faf33 [ 41.373264] RDX: 0000000000000016 RSI: 00007f40a96eb000 RDI: 0000000000000001 FREE_PAGE.sh # exit=1 # selftests: lkdtm: SOFTLOCKUP.sh # Skip[ 41.381259] RBP: 00007f40a96eb000 R08: 00007f40a96ea010 R09: 0000000000000000 [ 41.395440] R10: 00007f40a98f51c0 R11: 0000000000000246 R12: 0000000000000001 [ 41.403410] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 41.411390] irq event stamp: 0 ping SOFTLOCKUP: Hangs the system ok 26 selftests: lkdtm: SOFTL[ 41.414825] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 41.428036] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 41.437198] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 41.446344] softirqs last disabled at (0): [<0000000000000000>] 0x0 OCKUP.sh # SKIP # selftests: lkdtm: HARDLOCKUP.sh # Skipping H[ 41.453346] ---[ end trace 639227b05bc389ac ]--- [ 41.464710] lkdtm: Overflow detected: saturated ARDLOCKUP: Hangs the system ok 27 selftests: lkdtm: HARDLOCKUP.sh # SKIP # selftests: lkdtm: SPINLOCKUP.sh # Skipping SPINLOCKUP: Hangs the system ok 28 selftests: lkdtm: SPINLOCKUP.sh # SKIP # selftests: lkdtm: HUNG_TASK.sh # Skipping HUNG_TASK: Hangs the system ok 29 selftests: lkdtm: HUNG_TASK.sh # SKIP # selftests: lkdtm: EXEC_DATA.sh # Killed # [ 34.412986] lkdtm: Performing direct entry EXEC_DATA # [ 34.422847] lkdtm: attempting ok execution at ffffffff81cde490 # [ 34.429392] lkdtm: attempting bad execution at ffffffff8440c560 # [ 34.436002] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 34.444387] BUG: unable to handle page fault for address: ffffffff8440c560 # [ 34.452065] #PF: supervisor instruction fetch in kernel mode # [ 34.458391] #PF: error_code(0x0011) - permissions violation # [ 34.464604] PGD 138029067 P4D 1[ 41.556001] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW 38029067 PUD 13802a063 PMD 80000001396000e3 # [ 34.472396] O[ 41.563532] lkdtm: attempting good refcount_add() without overflow ops: 0011 [#5] SMP PTI # [ 34.476287] CPU: 2 PID: 1629 Comm: [ 41.576653] lkdtm: attempting bad refcount_add() overflow cat Tainted: G D W 5.10.137-cip14 #1 # [ 34.4849[ 41.588896] ------------[ cut here ]------------ 35] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ [ 41.600266] refcount_t: saturated; leaking memory. 34.491742] RIP: 0010:data_area+0x0/0x40 # [ 34.496118] Code:[ 41.611860] WARNING: CPU: 1 PID: 2088 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 ff ff 00 cd 39 c4 ec 91 ff ff 00 cc 39 c4 ec 91 ff ff 00 00 00 [ 41.627476] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <[ 41.660113] CPU: 1 PID: 2088 Comm: cat Tainted: G D W 5.10.137-cip14 #1 0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 [ 41.674983] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 55 # [ 34.517101] RSP: 0018:ffff9aed8229fe48 EFLAGS: 00010246[ 41.688009] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 34.522936] RAX: 0000000000000033 RBX: 0000000000000001 R[ 41.700062] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d a4 3c 74 01 00 75 ee 48 c7 c7 78 c2 c5 82 c6 05 94 3c 74 01 01 e8 9a 7d 95 00 <0f> 0b c3 cc cc cc cc 80 3d 80 3c 74 01 00 75 cb 48 c7 c7 a0 c2 c5 CX: 0000000000000000 # [ 34.530913] RDX: 0000000000000000 RSI[ 41.727263] RSP: 0018:ffff9aed82a07e48 EFLAGS: 00010286 : ffff91ed3ad1bf70 RDI: ffff91ed3ad1bf70 # [ 34.545094] RBP: [ 41.739312] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 ffffffff8440c560 R08: 0000000000000000 R09: 0000000000000000 # [ 41.753500] RDX: ffff91ed3acac660 RSI: ffff91ed3ac9bf70 RDI: ffff91ed3ac9bf70 [ 34.553063] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: [ 41.767690] RBP: ffffffff82cc074b R08: 0000000000000000 R09: 0000000000000000 000000000000000a # [ 34.561033] R13: ffff9aed8229ff10 R14: ff[ 41.781877] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 ff9aed8229ff10 R15: ffff91ecc3003000 # [ 34.569001] FS: 0000[ 41.796067] R13: ffff9aed82a07f10 R14: ffff9aed82a07f10 R15: ffff91ecc4f59000 7f0171d25580(0000) GS:ffff91ed3ad00000(0000) knlGS:0000000000000[ 41.810257] FS: 00007f7f05618580(0000) GS:ffff91ed3ac80000(0000) knlGS:0000000000000000 000 # [ 34.578037] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008[ 41.825514] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 0050033 # [ 34.584453] CR2: ffffffff8440c560 CR3: 00000001030[ 41.838147] CR2: 00007f7f05431000 CR3: 0000000105664005 CR4: 00000000003706e0 28001 CR4: 00000000003706e0 # [ 34.592422] Call Trace: # [ [ 41.852335] Call Trace: 34.595152] ? execute_location+0x45/0x56 # [ 34.599629] ? d[ 41.861284] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 irect_entry.cold+0x2c/0x38 # [ 34.604203] ? full_proxy_write[ 41.872849] direct_entry.cold+0x2c/0x38 +0x53/0x80 # [ 34.608680] ? vfs_write+0xe7/0x3a0 # [ 34.6[ 41.883447] full_proxy_write+0x53/0x80 12571] ? ksys_write+0x68/0xf0 # [ 34.616463] ? do_syscall_6[ 41.893945] vfs_write+0xe7/0x3a0 4+0x30/0x40 # [ 34.620645] ? entry_SYSCALL_64_after_hwframe+[ 41.903862] ksys_write+0x68/0xf0 0x61/0xc6 # [ 34.626481] Modules linked in: fuse ip_tables cr[ 41.913773] do_syscall_64+0x30/0x40 os_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer[ 41.923976] entry_SYSCALL_64_after_hwframe+0x61/0xc6 kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec[ 41.935833] RIP: 0033:0x7f7f05540f33 _sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cr[ 41.946036] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 os_ec_dev cros_usbpd_notify # [ 34.652933] CR2: ffffffff8440c[ 41.973234] RSP: 002b:00007ffff86897f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 41.987903] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f7f05540f33 560 # [ 34.662841] ---[ end trace 639227b05bc389a0 ]--- # [ [ 41.995876] RDX: 0000000000000016 RSI: 00007f7f05431000 RDI: 0000000000000001 [ 42.010057] RBP: 00007f7f05431000 R08: 00007f7f05430010 R09: 0000000000000000 34.667996] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 34.672391] Code[ 42.018032] R10: 00007f7f0563b1c0 R11: 0000000000000246 R12: 0000000000000001 [ 42.032211] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 : 89 ff e8 4e bb a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff[ 42.040207] irq event stamp: 0 [ 42.049802] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 [ 42.056804] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 42.072147] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 e4 72[ 42.081284] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 42.094493] ---[ end trace 639227b05bc389ad ]--- 02 # [ 34.693389] RSP: 0018:ffff9aed8146fe60 EFLAGS: 0001028[ 42.099650] lkdtm: Overflow detected: saturated 6 # [ 34.699216] RAX: ffffffff81cde0c0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 34.707186] RDX: 0000000000000000 RSI: ffff91ed3ad9bf70 RDI: ffffffff828d9c10 # [ 34.715147] RBP: ffffffff82d1b910 R08: 0000000000000001 R09: 0000000000000001 # [ 34.723115] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 34.731084] R13: ffff9aed8146ff10 R14: ffff9aed8146ff10 R15: ffff91ecc4eb9000 # [ 34.739055] FS: 00007f0171d25580(0000) GS:ffff91ed3ad00000(0000) knlGS:0000000000000000 # [ 34.748093] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 34.754509] CR2: ffffffff8440c560 CR3: 0000000103028001 CR4: 00000000003706e0 # [ 34.762478] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 34.772381] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1629, name: cat # [ 34.780837] INFO: lockdep is turned off. # [ 34.785215] irq event stamp: 0 # [ 34.7886[ 42.200418] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW 12] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [[ 42.211734] lkdtm: attempting bad refcount_inc_not_zero() overflow 34.795612] hardirqs last disabled at (0): [[ 42.224856] ------------[ cut here ]------------ ] copy_process+0x640/0x1c80 # [ 34.804745] softirqs last ena[ 42.236225] refcount_t: saturated; leaking memory. bled at (0): [] copy_process+0x640/0x1c80 # [[ 42.247817] WARNING: CPU: 1 PID: 2120 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 34.813879] softirqs last disabled at (0): [<0000000000000000>[ 42.263434] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify ] 0x0 # [ 34.820877] CPU: 2 PID: 1629 Comm: cat Tainted: G [ 42.296092] CPU: 1 PID: 2120 Comm: cat Tainted: G D W 5.10.137-cip14 #1 D W 5.10.137-cip14 #1 # [ 34.829524] Hardware name[ 42.310937] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 42.323955] RIP: 0010:refcount_warn_saturate+0x97/0x110 : Google Rammus/Rammus, BIOS 09/04/2020 # [ 34.836342] Call [ 42.329793] Code: 01 01 e8 77 7d 95 00 0f 0b c3 cc cc cc cc 80 3d 5f 3c 74 01 00 75 a8 48 c7 c7 78 c2 c5 82 c6 05 4f 3c 74 01 01 e8 54 7d 95 00 <0f> 0b c3 cc cc cc cc 80 3d 39 3c 74 01 00 75 85 48 c7 c7 d0 c2 c5 [ 42.356982] RSP: 0018:ffff9aed82aa7e38 EFLAGS: 00010282 Trace: # [ 34.839071] dump_stack+0x77/0x9b # [ 34.842768][ 42.362819] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 [ 42.376998] RDX: ffff91ed3acac660 RSI: ffff91ed3ac9bf70 RDI: ffff91ed3ac9bf70 ___might_sleep.cold+0xa6/0xb6 # [ 34.847342] exit_signals+[ 42.384972] RBP: ffffffff82cc0388 R08: 0000000000000000 R09: 0000000000000000 [ 42.399151] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 42.407123] R13: ffff9aed82aa7f10 R14: ffff9aed82aa7f10 R15: ffff91ecc3704000 0x1c/0x2e0 # [ 34.851343] do_exit+0xd5/0xb00 # [ 34.85484[ 42.415096] FS: 00007f3abebce580(0000) GS:ffff91ed3ac80000(0000) knlGS:0000000000000000 [ 42.430345] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 6] ? ksys_write+0x68/0xf0 # [ 34.858731] rewind_stack_do_ex[ 42.436763] CR2: 00007f3abe9e7000 CR3: 00000001035c6003 CR4: 00000000003706e0 [ 42.450943] Call Trace: it+0x17/0x20 # [ 34.863399] RIP: 0033:0x7f0171c4df33 # [ 3[ 42.453674] __refcount_add_not_zero.constprop.0+0x2a/0x35 4.867394] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff [ 42.466016] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 [ 42.478455] direct_entry.cold+0x2c/0x38 ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 0[ 42.482838] full_proxy_write+0x53/0x80 0 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec [ 42.493347] vfs_write+0xe7/0x3a0 28 48 89 54 24 18 # [ 34.888390] RSP: 002b:00007ffe464c66b8 E[ 42.503260] ksys_write+0x68/0xf0 FLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 34.896845] RAX[ 42.513178] do_syscall_64+0x30/0x40 : ffffffffffffffda RBX: 000000000000000a RCX: 00007f0171c4df33 [ 42.523393] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 34.904813] RDX: 000000000000000a RSI: 00007f0171b3e000 RDI[ 42.535249] RIP: 0033:0x7f3abeaf6f33 [ 42.545452] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 : 0000000000000001 # [ 34.912781] RBP: 00007f0171b3e000 R08: [ 42.566438] RSP: 002b:00007ffe372ed6d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 42.581103] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f3abeaf6f33 00007f0171b3d010 R09: 0000000000000000 # [ 34.920749] R10: 00[ 42.589075] RDX: 000000000000001f RSI: 00007f3abe9e7000 RDI: 0000000000000001 [ 42.603253] RBP: 00007f3abe9e7000 R08: 00007f3abe9e6010 R09: 0000000000000000 007f0171d481c0 R11: 0000000000000246 R12: 0000000000000001 # [ [ 42.611227] R10: 00007f3abebf11c0 R11: 0000000000000246 R12: 0000000000000001 [ 42.625407] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 34.928720] R13: 0000000000000001 R14: 0000000000020000 R15: 00[ 42.633412] irq event stamp: 0 [ 42.643005] hardirqs last enabled at (0): [<0000000000000000>] 0x0 00000000020000 # EXEC_DATA: saw 'call trace:': ok ok 30 selfte[ 42.650008] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 42.665352] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 sts: lkdtm: EXEC_DATA.sh # selftests: lkdtm: EXEC_STACK.sh # K[ 42.674491] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 42.687699] ---[ end trace 639227b05bc389ae ]--- illed # [ 35.021719] lkdtm: Performing direct entry EXEC_STAC[ 42.692855] lkdtm: Overflow detected: saturated K # [ 35.029385] lkdtm: attempting ok execution at ffffffff81cde490 # [ 35.035911] lkdtm: attempting bad execution at ffff9aed8233fe18 # [ 35.042556] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 35.050921] BUG: unable to handle page fault for address: ffff9aed8233fe18 # [ 35.064813] #PF: supervisor instruction fetch in kernel mode # [ 35.071121] #PF: error_code(0x0011) - permissions violation # [ 35.077342] PGD 100000067 P4D 100000067 PUD 100212067 PMD 10334a067 PTE 8000000105752063 # [ 35.086389] Oops: 0011 [#6] SMP PTI # [ 35.090280] CPU: 2 PID: 1666 Comm: cat Tainted: G D W 5.10.137-cip14 #1 # [ 35.098929] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 35.105725] RIP: 0010:0xffff9aed8233fe18 # [ 35.110102] Code: 00 00 18 fe 33 82 ed 9a ff ff 5a d5 33 82 ff ff ff ff 20 00 00 00 00 00 00 00 a6 06 cc 82 ff ff ff ff 89 d6 33 82 ff ff ff ff <0f> 1f 44 00 00 c3 [ 42.792222] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW [ 42.804942] lkdtm: attempting bad refcount_add_not_zero() overflow [ 42.811882] ------------[ cut here ]------------ [ 42.817071] refcount_t: saturated; leaking memory. [ 42.822483] WARNING: CPU: 2 PID: 2152 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 # [ 35.131074[ 42.831919] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 42.864549] CPU: 2 PID: 2152 Comm: cat Tainted: G D W 5.10.137-cip14 #1 ] RSP: 0018:ffff9aed8233fdf8 EFLAGS: 00010246 # [ 35.136904] [ 42.873231] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 42.886244] RIP: 0010:refcount_warn_saturate+0x97/0x110 [ 42.892083] Code: 01 01 e8 77 7d 95 00 0f 0b c3 cc cc cc cc 80 3d 5f 3c 74 01 00 75 a8 48 c7 c7 78 c2 c5 82 c6 05 4f 3c 74 01 01 e8 54 7d 95 00 <0f> 0b c3 cc cc cc cc 80 3d 39 3c 74 01 00 75 85 48 c7 c7 d0 c2 c5 [ 42.913096] RSP: 0018:ffff9aed82b0fe38 EFLAGS: 00010282 [ 42.918936] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 [ 42.926938] RDX: ffff91ed3ad2c660 RSI: ffff91ed3ad1bf70 RDI: ffff91ed3ad1bf70 [ 42.934912] RBP: ffffffff82cc03a8 R08: 0000000000000000 R09: 0000000000000000 [ 42.942915] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 42.950888] R13: ffff9aed82b0ff10 R14: ffff9aed82b0ff10 R15: ffff91ecc36b3000 [ 42.958861] FS: 00007ff615abe580(0000) GS:ffff91ed3ad00000(0000) knlGS:0000000000000000 [ 42.967903] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.974343] CR2: 00007ff6158d7000 CR3: 00000001035c6006 CR4: 00000000003706e0 [ 42.982334] Call Trace: RAX: 0000000000000033 RBX: 0000000000000001 RCX: 000000000000000[ 42.985078] __refcount_add_not_zero.constprop.0+0x2a/0x35 [ 42.997415] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 0 # [ 35.144874] RDX: 0000000000000000 RSI: ffff91ed3ad1bf70 [ 43.003666] direct_entry.cold+0x2c/0x38 [ 43.014257] full_proxy_write+0x53/0x80 [ 43.018573] vfs_write+0xe7/0x3a0 [ 43.022309] ksys_write+0x68/0xf0 RDI: ffff91ed3ad1bf70 # [ 35.152843] RBP: ffff9aed8233fe18 R0[ 43.026037] do_syscall_64+0x30/0x40 [ 43.036237] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 43.041911] RIP: 0033:0x7ff6159e6f33 [ 43.045926] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 43.066910] RSP: 002b:00007fffd3cefcb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 43.075398] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007ff6159e6f33 [ 43.083388] RDX: 000000000000001f RSI: 00007ff6158d7000 RDI: 0000000000000001 [ 43.091400] RBP: 00007ff6158d7000 R08: 00007ff6158d6010 R09: 0000000000000000 [ 43.099386] R10: 00007ff615ae11c0 R11: 0000000000000246 R12: 0000000000000001 [ 43.107399] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 43.115391] irq event stamp: 0 [ 43.118830] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 43.125834] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 43.135005] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 43.144173] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 43.151173] ---[ end trace 639227b05bc389af ]--- [ 43.156348] lkdtm: Overflow detected: saturated 8: 0000000000000000 R09: 0000000000000000 # [ 35.160812] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 35.168781] R13: ffff9aed8233ff10 R14: ffff9aed8233ff10 R15: ffff91ecc4d5a000 # [ 35.176751] FS: 00007f39ee0d9580(0000) GS:ffff91ed3ad00000(0000) knlGS:0000000000000000 # [ 35.185788] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 35.192203] CR2: ffff9aed8233fe18 CR3: 0000000104f92003 CR4: 00000000003706e0 # [ 35.200172] Call Trace: # [ 35.202901] ? execute_location+0x45/0x56 # [ 35.207388] ? lkdtm_EXEC_STACK+0x26/0x44 # [ 35.211864] ? direct_entry.cold+0x2c/0x38 # [ 35.216439] ? full_proxy_write+0x53/0x80 # [ 35.220915] ? vfs_write+0xe7/0x3a0 # [ 35.224806] ? ksys_write+0x68/0xf0 # [ 35.228698] ? do_syscall_64+0x30/0x40 # [ 35.232880] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 35.238716] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core [ 43.250437] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lig[ 43.260998] lkdtm: attempting good refcount_dec() htbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sens[ 43.272469] lkdtm: attempting bad refcount_dec() to zero [ 43.284611] ------------[ cut here ]------------ orhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ [ 43.289770] refcount_t: decrement hit 0; leaking memory. 35.265166] CR2: ffff9aed8233fe18 # [ 35.275078] ---[ end trac[ 43.301942] WARNING: CPU: 1 PID: 2184 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 e 639227b05bc389a1 ]--- # [ 35.280235] RIP: 0010:lkdtm_BUG+0x[ 43.317555] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 5/0x10 # [ 35.290822] Code: 89 ff e8 4e bb a3 ff 48 c7 c0 ea [ 43.350191] CPU: 1 PID: 2184 Comm: cat Tainted: G D W 5.10.137-cip14 #1 ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 f[ 43.365058] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 f ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 [ 43.378080] RIP: 0010:refcount_warn_saturate+0xfb/0x110 0f 1f 44 00 00 83 05 50 e4 72 02 # [ 35.311802] RSP: 0018:fff[ 43.390128] Code: 28 c3 c5 82 c6 05 00 3c 74 01 01 e8 0a 7d 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 f8 c2 c5 82 c6 05 e7 3b 74 01 01 e8 f0 7c 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b f9aed8146fe60 EFLAGS: 00010286 # [ 35.317633] RAX: ffffffff81[ 43.417353] RSP: 0018:ffff9aed82bbfe48 EFLAGS: 00010286 cde0c0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 35.325[ 43.429398] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 [ 43.443582] RDX: ffff91ed3acac660 RSI: ffff91ed3ac9bf70 RDI: ffff91ed3ac9bf70 603] RDX: 0000000000000000 RSI: ffff91ed3ad9bf70 RDI: ffffffff82[ 43.451556] RBP: ffffffff82cc0761 R08: 0000000000000000 R09: 0000000000000000 [ 43.465737] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 8d9c10 # [ 35.333571] RBP: ffffffff82d1b910 R08: 000000000000[ 43.473709] R13: ffff9aed82bbff10 R14: ffff9aed82bbff10 R15: ffff91ecc54d5000 [ 43.487891] FS: 00007f39151d2580(0000) GS:ffff91ed3ac80000(0000) knlGS:0000000000000000 0001 R09: 0000000000000001 # [ 35.341540] R10: 00000000ffffe0[ 43.496933] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.509559] CR2: 00007f3914feb000 CR3: 0000000104218006 CR4: 00000000003706e0 00 R11: 3fffffffffffffff R12: 0000000000000004 # [ 35.349508][ 43.517534] Call Trace: R13: ffff9aed8146ff10 R14: ffff9aed8146ff10 R15: ffff91ecc4eb90[ 43.526474] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd 00 # [ 35.357477] FS: 00007f39ee0d9580(0000) GS:ffff91ed3ad0[ 43.537650] direct_entry.cold+0x2c/0x38 0000(0000) knlGS:0000000000000000 # [ 35.366505] CS: 0010 DS[ 43.548245] full_proxy_write+0x53/0x80 : 0000 ES: 0000 CR0: 0000000080050033 # [ 35.372921] CR2: fff[ 43.558742] vfs_write+0xe7/0x3a0 f9aed8233fe18 CR3: 0000000104f92003 CR4: 00000000003706e0 # EXE[ 43.568655] ksys_write+0x68/0xf0 C_STACK: saw 'call trace:': ok ok 31 selftests: lkdtm: EXEC_STA[ 43.578569] do_syscall_64+0x30/0x40 CK.sh # selftests: lkdtm: EXEC_KMALLOC.sh # Killed # [ 35.4[ 43.588773] entry_SYSCALL_64_after_hwframe+0x61/0xc6 57041] lkdtm: Performing direct entry EXEC_KMALLOC # [ 35.467[ 43.600629] RIP: 0033:0x7f39150faf33 [ 43.610836] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 563] lkdtm: attempting ok execution at ffffffff81cde490 # [ 3[ 43.631819] RSP: 002b:00007ffdb9dcc7b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 5.474112] lkdtm: attempting bad execution at ffff91ecc30cf280 #[ 43.646487] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f39150faf33 [ 35.480779] kernel tried to execute NX-protected page - expl[ 43.660674] RDX: 0000000000000012 RSI: 00007f3914feb000 RDI: 0000000000000001 oit attempt? (uid: 0) # [ 35.489144] BUG: unable to handle pa[ 43.674864] RBP: 00007f3914feb000 R08: 00007f3914fea010 R09: 0000000000000000 ge fault for address: ffff91ecc30cf280 # [ 35.503037] #PF: su[ 43.689050] R10: 00007f39151f51c0 R11: 0000000000000246 R12: 0000000000000001 pervisor instruction fetch in kernel mode # [ 35.509356] #PF:[ 43.703238] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 error_code(0x0011) - permissions violation # [ 35.515576] PG[ 43.717431] irq event stamp: 0 D 139801067 P4D 139801067 PUD 10004e063 PMD 1031cc063 PTE 800000[ 43.727051] hardirqs last enabled at (0): [<0000000000000000>] 0x0 01030cf163 # [ 35.524618] Oops: 0011 [#7] SMP PTI # [ 35.5[ 43.740271] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 28509] CPU: 3 PID: 1702 Comm: cat Tainted: G D W 5.[ 43.755622] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 10.137-cip14 #1 # [ 35.537149] Hardware name: Google Rammus/R[ 43.770977] softirqs last disabled at (0): [<0000000000000000>] 0x0 ammus, BIOS 09/04/2020 # [ 35.543953] RIP: 0010:0xffff91ecc3[ 43.784195] ---[ end trace 639227b05bc389b0 ]--- 0cf280 # [ 35.548341] Code: 00 00 02 00 00 00 00 00 00 00 00 [ 43.795568] lkdtm: Zero detected: saturated 00 00 00 00 00 00 00 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0b 24 50 81 ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 # [ 35.569340] RSP: 0018:ffff9aed823cfe38 EFLAGS: 00010246 # [ 35.575173] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 35.583143] RDX: 0000000000000000 RSI: ffff91ed3ad9bf70 RDI: ffff91ed3ad9bf70 # [ 35.591113] RBP: ffff91ecc30cf280 R08: 0000000000000000 R09: 0000000000000000 # [ 35.599081] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 35.607050] R13: ffff9aed823cff10 R14: ffff9aed823cff10 R15: ffff91ecc365c000 # [ 35.615018] FS: 00007f53c59ed580(0000) GS:ffff91ed3ad80000(0000) knlGS:0000000000000000 # [ 35.624053] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 35.630467] CR2: ffff91ecc30cf280 CR3: 0000000104010002 CR4: 00000000003706e0 # [ 35.638434] Call Trace: # [ 35.641163] ? execute_location+0x[ 43.895472] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE [ 43.906403] lkdtm: attempting bad refcount_dec() below zero [ 43.912619] ------------[ cut here ]------------ [ 43.917780] refcount_t: decrement hit 0; leaking memory. 45/0x56 # [ 35.645637] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 # [ [ 43.923752] WARNING: CPU: 2 PID: 2219 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 [ 43.939387] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 35.650306] ? direct_entry.cold+0x2c/0x38 # [ 35.654880] ? [ 43.965848] CPU: 2 PID: 2219 Comm: cat Tainted: G D W 5.10.137-cip14 #1 [ 43.980703] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 43.987510] RIP: 0010:refcount_warn_saturate+0xfb/0x110 full_proxy_write+0x53/0x80 # [ 35.659355] ? vfs_write+0xe7/0[ 43.993347] Code: 28 c3 c5 82 c6 05 00 3c 74 01 01 e8 0a 7d 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 f8 c2 c5 82 c6 05 e7 3b 74 01 01 e8 f0 7c 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b [ 44.020544] RSP: 0018:ffff9aed82c2fe48 EFLAGS: 00010286 [ 44.026387] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 [ 44.034373] RDX: ffff91ed3ad2c660 RSI: ffff91ed3ad1bf70 RDI: ffff91ed3ad1bf70 [ 44.042387] RBP: ffffffff82cc0773 R08: 0000000000000000 R09: 0000000000000000 [ 44.050360] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 [ 44.058352] R13: ffff9aed82c2ff10 R14: ffff9aed82c2ff10 R15: ffff91ecc5c8a000 x3a0 # [ 35.663246] ? ksys_write+0x68/0xf0 # [ 35.667138][ 44.066347] FS: 00007f4fe147c580(0000) GS:ffff91ed3ad00000(0000) knlGS:0000000000000000 [ 44.081601] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.088017] CR2: 00007f4fe1295000 CR3: 000000010383c001 CR4: 00000000003706e0 [ 44.095987] Call Trace: [ 44.098719] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 ? do_syscall_64+0x30/0x40 # [ 35.671342] ? entry_SYSCALL_6[ 44.104098] direct_entry.cold+0x2c/0x38 [ 44.114685] full_proxy_write+0x53/0x80 [ 44.118992] vfs_write+0xe7/0x3a0 [ 44.122714] ksys_write+0x68/0xf0 [ 44.126414] do_syscall_64+0x30/0x40 [ 44.130428] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 44.136070] RIP: 0033:0x7f4fe13a4f33 [ 44.140061] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 44.161044] RSP: 002b:00007fff4c283f58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 44.169500] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f4fe13a4f33 [ 44.177471] RDX: 0000000000000016 RSI: 00007f4fe1295000 RDI: 0000000000000001 [ 44.185447] RBP: 00007f4fe1295000 R08: 00007f4fe1294010 R09: 0000000000000000 [ 44.193448] R10: 00007f4fe149f1c0 R11: 0000000000000246 R12: 0000000000000001 [ 44.201419] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 44.209394] irq event stamp: 0 4_after_hwframe+0x61/0xc6 # [ 35.677177] Modules linked in: f[ 44.212828] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 44.226073] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 use ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_[ 44.235223] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 44.250565] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 44.257566] ---[ end trace 639227b05bc389b1 ]--- [ 44.262720] lkdtm: Negative detected: saturated triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 35.703631] CR2: ffff91ecc30cf280 # [ 35.713540] ---[ end trace 639227b05bc389a2 ]--- # [ 35.718694] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 35.723062] Code: 89 ff e8 4e bb 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 50 e4 72 02 # [ 35.744040] RSP: 0018:ffff9aed8146fe60 EFLAGS: 00010286 # [ 35.749872] RAX: ffffffff81cde0c0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 35.757840] RDX: 0000000000000000 RSI: ffff91ed3ad9bf70 RDI: ffffffff828d9c10 # [ 35.765809] RBP: ffffffff82d1b910 R08: 0000000000000001 R09: 0000000000000001 # [ 35.773779] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 35.781737] R13: ffff9ae[ 44.358539] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE [ 44.368626] lkdtm: attempting bad refcount_dec_and_test() below zero [ 44.375725] ------------[ cut here ]------------ [ 44.380882] refcount_t: underflow; use-after-free. [ 44.386260] WARNING: CPU: 2 PID: 2254 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 d8146ff10 R14: ffff9aed8146ff10 R15: ffff91ecc4eb9000 # [ 35.[ 44.395697] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 789707] FS: 00007f53c59ed580(0000) GS:ffff91ed3ad80000(0000) kn[ 44.428349] CPU: 2 PID: 2254 Comm: cat Tainted: G D W 5.10.137-cip14 #1 [ 44.443212] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 44.450024] RIP: 0010:refcount_warn_saturate+0xba/0x110 lGS:0000000000000000 # [ 35.798744] CS: 0010 DS: 0000 ES: 00[ 44.455886] Code: 01 01 e8 54 7d 95 00 0f 0b c3 cc cc cc cc 80 3d 39 3c 74 01 00 75 85 48 c7 c7 d0 c2 c5 82 c6 05 29 3c 74 01 01 e8 31 7d 95 00 <0f> 0b c3 cc cc cc cc 80 3d 14 3c 74 01 00 0f 85 5e ff ff ff 48 c7 [ 44.483078] RSP: 0018:ffff9aed82cd7e40 EFLAGS: 00010286 [ 44.488937] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 00 CR0: 0000000080050033 # [ 35.805157] CR2: ffff91ecc30cf280[ 44.496921] RDX: ffff91ed3ad2c660 RSI: ffff91ed3ad1bf70 RDI: ffff91ed3ad1bf70 [ 44.511097] RBP: ffffffff82cc03c8 R08: 0000000000000000 R09: 0000000000000000 [ 44.519068] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 44.527037] R13: ffff9aed82cd7f10 R14: ffff9aed82cd7f10 R15: ffff91ecc32d9000 [ 44.535008] FS: 00007faeeeab8580(0000) GS:ffff91ed3ad00000(0000) knlGS:0000000000000000 [ 44.544045] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.550464] CR2: 00007faeee8d1000 CR3: 0000000104290001 CR4: 00000000003706e0 [ 44.558434] Call Trace: [ 44.561163] __refcount_sub_and_test.constprop.0+0x3c/0x50 [ 44.567335] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 CR3: 0000000104010002 CR4: 00000000003706e0 # [ 35.813125] B[ 44.573571] direct_entry.cold+0x2c/0x38 [ 44.584158] full_proxy_write+0x53/0x80 [ 44.588467] vfs_write+0xe7/0x3a0 [ 44.592190] ksys_write+0x68/0xf0 [ 44.595890] do_syscall_64+0x30/0x40 [ 44.599881] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 44.605523] RIP: 0033:0x7faeee9e0f33 [ 44.609513] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 44.630493] RSP: 002b:00007ffe8bc7fdb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 44.638951] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007faeee9e0f33 [ 44.646922] RDX: 000000000000001f RSI: 00007faeee8d1000 RDI: 0000000000000001 [ 44.654893] RBP: 00007faeee8d1000 R08: 00007faeee8d0010 R09: 0000000000000000 [ 44.662861] R10: 00007faeeeadb1c0 R11: 0000000000000246 R12: 0000000000000001 [ 44.670831] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 44.678807] irq event stamp: 0 [ 44.682244] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 44.689245] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 44.698396] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 44.707531] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 44.714533] ---[ end trace 639227b05bc389b2 ]--- [ 44.719690] lkdtm: Negative detected: saturated UG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 35.823035] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1702, name: cat # [ 35.831486] INFO: lockdep is turned off. # [ 35.835861] irq event stamp: 0 # [ 35.839265] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 35.846263] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 35.855396] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 35.864528] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 35.871525] CPU: 3 PID: 1702 Comm: cat Tainted: G D W 5.10.137-cip14 #1 # [ 35.880170] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 35.886973] Call Trace: # [ 35.889700] dump_stack+0x77/0x9b # [ 35.893400] ___might_sleep.cold+0xa6/0xb6 # [ 35.897970] exit_signals+0x1c/0x2e0 # [ 35.901958] do_exit+0xd5/0xb00[ 44.817302] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE [ 44.825604] lkdtm: attempting bad refcount_sub_and_test() below zero [ 44.832707] ------------[ cut here ]------------ [ 44.837894] refcount_t: underflow; use-after-free. [ 44.843272] WARNING: CPU: 2 PID: 2289 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 35.905461] ? ksys_write+0x68/0xf0 # [ 35.909355] re[ 44.852706] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify wind_stack_do_exit+0x17/0x20 # [ 35.914022] RIP: 0033:0x7f53c[ 44.885345] CPU: 2 PID: 2289 Comm: cat Tainted: G D W 5.10.137-cip14 #1 [ 44.900207] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 44.907015] RIP: 0010:refcount_warn_saturate+0xba/0x110 [ 44.912850] Code: 01 01 e8 54 7d 95 00 0f 0b c3 cc cc cc cc 80 3d 39 3c 74 01 00 75 85 48 c7 c7 d0 c2 c5 82 c6 05 29 3c 74 01 01 e8 31 7d 95 00 <0f> 0b c3 cc cc cc cc 80 3d 14 3c 74 01 00 0f 85 5e ff ff ff 48 c7 [ 44.933832] RSP: 0018:ffff9aed82d3fe40 EFLAGS: 00010286 [ 44.939668] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 [ 44.947638] RDX: ffff91ed3ad2c660 RSI: ffff91ed3ad1bf70 RDI: ffff91ed3ad1bf70 [ 44.955609] RBP: ffffffff82cc03e8 R08: 0000000000000000 R09: 0000000000000000 [ 44.963581] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 44.971551] R13: ffff9aed82d3ff10 R14: ffff9aed82d3ff10 R15: ffff91ecc3621000 [ 44.979526] FS: 00007fd416e88580(0000) GS:ffff91ed3ad00000(0000) knlGS:0000000000000000 [ 44.988597] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.995014] CR2: 00007fd416ca1000 CR3: 000000010565c001 CR4: 00000000003706e0 [ 45.002985] Call Trace: [ 45.005716] __refcount_sub_and_test.constprop.0+0x3c/0x50 [ 45.011867] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b [ 45.018115] direct_entry.cold+0x2c/0x38 5915f33 # [ 35.918010] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02[ 45.022500] full_proxy_write+0x53/0x80 [ 45.032987] vfs_write+0xe7/0x3a0 [ 45.036719] ksys_write+0x68/0xf0 [ 45.040419] do_syscall_64+0x30/0x40 [ 45.044435] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 45.050076] RIP: 0033:0x7fd416db0f33 [ 45.054066] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 45.075048] RSP: 002b:00007ffd49babc18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 45.083505] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fd416db0f33 [ 45.091475] RDX: 000000000000001f RSI: 00007fd416ca1000 RDI: 0000000000000001 [ 45.099446] RBP: 00007fd416ca1000 R08: 00007fd416ca0010 R09: 0000000000000000 [ 45.107416] R10: 00007fd416eab1c0 R11: 0000000000000246 R12: 0000000000000001 [ 45.115393] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 45.123370] irq event stamp: 0 [ 45.126803] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 45.133804] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 45.142942] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 45.152078] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 45.159078] ---[ end trace 639227b05bc389b3 ]--- [ 45.164232] lkdtm: Negative detected: saturated 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 35.938990] RSP: 002b:00007ffd8a33e298 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 35.947436] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f53c5915f33 # [ 35.955403] RDX: 000000000000000d RSI: 00007f53c5806000 RDI: 0000000000000001 # [ 35.963370] RBP: 00007f53c5806000 R08: 00007f53c5805010 R09: 0000000000000000 # [ 35.971357] R10: 00007f53c5a101c0 R11: 0000000000000246 R12: 0000000000000001 # [ 35.979347] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_KMALLOC: saw 'call trace:': ok ok 32 selftests: lkdtm: EXEC_KMALLOC.sh # selftests: lkdtm: EXEC_VMALLOC.sh # Killed # [ 36.086776] lkdtm: Performing direct entry EXEC_VMALLOC # [ 36.098860] lkdtm: attempting ok execution at ffffffff81cde490 # [ 36.105384] lkdtm: attempting bad execution at ffff9aed806c5000 # [ 36.118225] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 36.126590] BUG: unable to handle page fault for address: ffff9aed806c5000 # [ 36.140482] #PF: supervisor instruction fetch in kernel mode # [ 36.146799] #PF: error_code(0x0011) - permissions violation # [ 36.153020] PGD 100000067 P4D 100000067 PUD 100212067 PMD 105445067 PTE 80000001027f3063 # [ 36.162059] Oops: 0011 [#8] SMP PTI # [ 36.165950] CPU: 3 PID: 1738 Comm: cat Tainted: G D W 5.10.137-cip14 #1 # [ 36.174597] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 36.181402] RIP: 0010:0xffff9aed806c5000 # [ 36.185777] Code: Unable to access opcode bytes at RIP 0xffff9aed806c4fd6. # [ 36.193454] RSP: 0018:ffff9aed82467e38 EFLAGS: 00010246 # [ 36.199276] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 36.207244] RDX: 0000000000000000 RSI: ffff91ed3ad9bf70 RDI: ffff91ed3ad9bf70 # [ 36.215213] RBP: ffff9aed806c5000 R08: 0000000000000000 R09: 0000000000000000 # [ 36.223181] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 36.231149] R13: ffff9aed82467f10 R14: ffff9aed82467f10 R15: ffff91ecc27f3000 # [ 36.239116] FS: 00007f917873a580(0000) GS:ffff91ed3ad80000(0000) knlGS:0000000000000000 # [ 36.248152] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 36.254566] CR2: ffff9aed806c4fd6 CR3: 00000001037d4001 CR4: 00000000003706e0 # [ 36.262534] Call Trace: # [ 36.265263] ? execute_location+0x45/0x56 # [ 36.269738] ? lkdtm_EXEC_VMALLOC+0x20/0x30 # [ 36.274405] ? direct_entry.cold+0x2c/0x38 # [ 36.278977] ? full_proxy_write+0x53/0x80 # [ 36.283450] ? vfs_write+0xe7/0x3a0 # [ 36.287342] ? ksys_write+0x68/0xf0 # [ 36.291235] ? do_syscall_64+0x30/0x40 # [ 36.295418] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 36.301248] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 36.327700] CR2: ffff9aed806c5000 # [ 36.337609] ---[ end trace 639227b05bc389a3 ]--- # [ 36.342763] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 36.347138] Code: 89 ff e8 4e bb 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 50 e4 72 02 # [ 36.368119] RSP: 0018:ffff9aed8146fe60 EFLAGS: 00010286 # [ 36.373952] RAX: ffffffff81cde0c0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 36.381921] RDX: 0000000000000000 RSI: ffff91ed3ad9bf70 RDI: ffffffff828d9c10 # [ 36.389890] RBP: ffffffff82d1b910 R08: 0000000000000001 R09: 0000000000000001 # [ 36.397857] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 36.405825] R13: ffff9aed8146ff10 R14: ffff9aed8146ff10 R15: ffff91ecc4eb9000 # [ 36.413794] FS: 00007f917873a580(0000) GS:ffff91ed3ad80000(0000) knlGS:0000000000000000 # [ 36.422831] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 36.429244] CR2: ffff9aed806c4fd6 CR3: 00000001037d4001 CR4: 00000000003706e0 # EXEC_VMALLOC: saw 'call trace:': ok ok 33 selftests: lkdtm: EXEC_VMALLOC.sh # selftests: lkdtm: EXEC_RODATA.sh # Killed # [ 36.516406] lkdtm: Performing direct entry EXEC_RODATA # [ 36.523790] lkdtm: attempting ok execution at ffffffff81cde490 # [ 36.530331] lkdtm: attempting bad execution at ffffffff828da0a0 # [ 36.536954] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 36.551519] BUG: unable to handle page fault for address: ffffffff828da0a0 # [ 36.559196] #PF: supervisor instruction fetch in kernel mode [ 45.640291] lkdtm: Performing direct entry REFCOUNT_INC_ZERO [ 45.651438] lkdtm: attempting safe refcount_inc_not_zero() from zero [ 45.658569] lkdtm: Good: zero detected [ 45.662755] lkdtm: Correctly stayed at zero [ 45.667447] lkdtm: attempting bad refcount_inc() from zero [ 45.673573] ------------[ cut here ]------------ [ 45.678727] refcount_t: addition on 0; use-after-free. [ 45.684494] WARNING: CPU: 3 PID: 2321 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 36.565512] #PF: error_code(0x0011) - permissions violation[ 45.693927] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 45.726558] CPU: 3 PID: 2321 Comm: cat Tainted: G D W 5.10.137-cip14 #1 [ 45.735209] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 45.742017] RIP: 0010:refcount_warn_saturate+0x74/0x110 [ 45.747853] Code: 01 01 e8 9a 7d 95 00 0f 0b c3 cc cc cc cc 80 3d 80 3c 74 01 00 75 cb 48 c7 c7 a0 c2 c5 82 c6 05 70 3c 74 01 01 e8 77 7d 95 00 <0f> 0b c3 cc cc cc cc 80 3d 5f 3c 74 01 00 75 a8 48 c7 c7 78 c2 c5 [ 45.768836] RSP: 0018:ffff9aed82dcfe48 EFLAGS: 00010286 [ 45.774694] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 [ 45.782665] RDX: ffff91ed3adac660 RSI: ffff91ed3ad9bf70 RDI: ffff91ed3ad9bf70 [ 45.790637] RBP: ffffffff82cc0789 R08: 0000000000000000 R09: 0000000000000000 [ 45.798608] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 45.806579] R13: ffff9aed82dcff10 R14: ffff9aed82dcff10 R15: ffff91ecc5c79000 [ 45.814552] FS: 00007fb12e296580(0000) GS:ffff91ed3ad80000(0000) knlGS:0000000000000000 [ 45.823590] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.830007] CR2: 00007fb12e0af000 CR3: 0000000105c8c001 CR4: 00000000003706e0 [ 45.837978] Call Trace: [ 45.840711] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 # [ 36.571732] PGD 138029067 P4D 138029067 PUD 13802a063 PMD[ 45.845701] direct_entry.cold+0x2c/0x38 [ 45.856309] full_proxy_write+0x53/0x80 8000000137a000e1 # [ 36.579509] Oops: 0011 [#9] SMP PTI # [ 45.860604] vfs_write+0xe7/0x3a0 [ 45.870512] ksys_write+0x68/0xf0 [ 45.874239] do_syscall_64+0x30/0x40 [ 45.878230] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 45.883896] RIP: 0033:0x7fb12e1bef33 [ 45.887887] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 45.908869] RSP: 002b:00007ffdc9d41428 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 36.583400] CPU: 3 PID: 1774 Comm: cat Tainted: G D W [ 45.917356] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fb12e1bef33 [ 45.931539] RDX: 0000000000000012 RSI: 00007fb12e0af000 RDI: 0000000000000001 [ 45.939543] RBP: 00007fb12e0af000 R08: 00007fb12e0ae010 R09: 0000000000000000 [ 45.947513] R10: 00007fb12e2b91c0 R11: 0000000000000246 R12: 0000000000000001 [ 45.955510] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 5.10.137-cip14 #1 # [ 36.592046] Hardware name: Google [ 45.963502] irq event stamp: 0 [ 45.973109] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 45.980111] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 45.989250] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 45.998396] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 46.005409] ---[ end trace 639227b05bc389b4 ]--- [ 46.010565] lkdtm: Zero detected: saturated Rammus/Rammus, BIOS 09/04/2020 # [ 36.598853] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 # [ 36.604589] Code: ff ff f9 ea 33 82 ff ff ff ff f2 08 cc 82 ff ff ff ff 3f d2 33 82 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 # [ 36.625571] RSP: 0018:ffff9aed824f7e48 EFLAGS: 00010246 # [ 36.631394] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 36.639363] RDX: 0000000000000000 RSI: ffff91ed3ad9bf70 RDI: ffff91ed3ad9bf70 # [ 36.647347] RBP: ffffffff828da0a0 R08: 0000000000000000 R09: 0000000000000000 # [ 36.655340] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 36.663307] R13: ffff9aed824f7f10 R14: ffff9aed824f7f10 R15: ffff91ecc5d84000 # [ 36.671276] FS: 00007f626561c580(0000) GS:ffff91ed3ad80000(0000) knlGS:0000000000000000 # [ 36.680313] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 36.686750] CR2: ffffffff828da0a0 CR3: 000000010355e002 CR4: 00000000003706e0 # [ 36.694717] Call Trace: # [ 36.697444] [ 46.120254] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO ? execute_location+0x45/0x56 # [ 36.701918] ? direct_entry.[ 46.127253] lkdtm: attempting safe refcount_add_not_zero() from zero cold+0x2c/0x38 # [ 36.706491] ? full_proxy_write+0x53/0x80 [ 46.140566] lkdtm: Good: zero detected # [ 36.710966] ? vfs_write+0xe7/0x3a0 # [ 36.714856] ? ks[ 46.150963] lkdtm: Correctly stayed at zero ys_write+0x68/0xf0 # [ 36.718740] ? do_syscall_64+0x30/0x40[ 46.161847] lkdtm: attempting bad refcount_add() from zero # [ 36.722921] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 #[ 46.174189] ------------[ cut here ]------------ [ 36.728756] Modules linked in: fuse ip_tables cros_ec_sensor[ 46.185560] refcount_t: addition on 0; use-after-free. s cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf i[ 46.197544] WARNING: CPU: 1 PID: 2353 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 ndustrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_[ 46.213155] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cr[ 46.245816] CPU: 1 PID: 2353 Comm: cat Tainted: G D W 5.10.137-cip14 #1 os_usbpd_notify # [ 36.755207] CR2: ffffffff828da0a0 # [ 3[ 46.260662] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 6.765116] ---[ end trace 639227b05bc389a4 ]--- # [ 36.770261][ 46.273681] RIP: 0010:refcount_warn_saturate+0x74/0x110 RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 36.774636] Code: 89 ff e8 4[ 46.285730] Code: 01 01 e8 9a 7d 95 00 0f 0b c3 cc cc cc cc 80 3d 80 3c 74 01 00 75 cb 48 c7 c7 a0 c2 c5 82 c6 05 70 3c 74 01 01 e8 77 7d 95 00 <0f> 0b c3 cc cc cc cc 80 3d 5f 3c 74 01 00 75 a8 48 c7 c7 78 c2 c5 e bb a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc[ 46.312927] RSP: 0018:ffff9aed82e5fe48 EFLAGS: 00010286 cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0[ 46.324976] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 e4 72 02 # [ 3[ 46.339162] RDX: ffff91ed3acac660 RSI: ffff91ed3ac9bf70 RDI: ffff91ed3ac9bf70 6.795614] RSP: 0018:ffff9aed8146fe60 EFLAGS: 00010286 # [ 36.[ 46.353351] RBP: ffffffff82cc079b R08: 0000000000000000 R09: 0000000000000000 801447] RAX: ffffffff81cde0c0 RBX: 0000000000000001 RCX: 0000000[ 46.367538] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 000000000 # [ 36.809414] RDX: 0000000000000000 RSI: ffff91ed3[ 46.381722] R13: ffff9aed82e5ff10 R14: ffff9aed82e5ff10 R15: ffff91ecc37eb000 ad9bf70 RDI: ffffffff828d9c10 # [ 36.817398] RBP: ffffffff82d[ 46.395908] FS: 00007f06b87c6580(0000) GS:ffff91ed3ac80000(0000) knlGS:0000000000000000 1b910 R08: 0000000000000001 R09: 0000000000000001 # [ 36.8253[ 46.411163] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 65] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000000[ 46.423799] CR2: 00007f06b85df000 CR3: 0000000100fe4004 CR4: 00000000003706e0 00004 # [ 36.833340] R13: ffff9aed8146ff10 R14: ffff9aed8146f[ 46.437985] Call Trace: f10 R15: ffff91ecc4eb9000 # [ 36.841308] FS: 00007f626561c58[ 46.446931] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 0(0000) GS:ffff91ed3ad80000(0000) knlGS:0000000000000000 # [ [ 46.458107] direct_entry.cold+0x2c/0x38 36.850346] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 46.468705] full_proxy_write+0x53/0x80 [ 36.856761] CR2: ffffffff828da0a0 CR3: 000000010355e002 CR4: [ 46.479202] vfs_write+0xe7/0x3a0 00000000003706e0 # [ 36.864729] BUG: sleeping function called[ 46.489116] ksys_write+0x68/0xf0 from invalid context at include/linux/percpu-rwsem.h:49 # [ [ 46.499031] do_syscall_64+0x30/0x40 36.874640] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid[ 46.509236] entry_SYSCALL_64_after_hwframe+0x61/0xc6 : 1774, name: cat # [ 36.883094] INFO: lockdep is turned off.[ 46.521092] RIP: 0033:0x7f06b86eef33 # [ 36.887469] irq event stamp: 0 # [ 36.890873] hardirqs[ 46.531300] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 last enabled at (0): [<0000000000000000>] 0x0 # [ 36.897871[ 46.558499] RSP: 002b:00007fffd990f5f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 ] hardirqs last disabled at (0): [] copy_proce[ 46.573173] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f06b86eef33 ss+0x640/0x1c80 # [ 36.906998] softirqs last enabled at (0):[ 46.587359] RDX: 0000000000000012 RSI: 00007f06b85df000 RDI: 0000000000000001 [] copy_process+0x640/0x1c80 # [ 36.916121[ 46.601546] RBP: 00007f06b85df000 R08: 00007f06b85de010 R09: 0000000000000000 ] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ [ 46.615735] R10: 00007f06b87e91c0 R11: 0000000000000246 R12: 0000000000000001 36.923119] CPU: 3 PID: 1774 Comm: cat Tainted: G D W [ 46.629922] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 5.10.137-cip14 #1 # [ 36.931765] Hardware name: Google Ram[ 46.644116] irq event stamp: 0 mus/Rammus, BIOS 09/04/2020 # [ 36.938567] Call Trace: # [ [ 46.653733] hardirqs last enabled at (0): [<0000000000000000>] 0x0 36.941295] dump_stack+0x77/0x9b # [ 36.944992] ___might_s[ 46.666952] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 leep.cold+0xa6/0xb6 # [ 36.949554] exit_signals+0x1c/0x2e0 [ 46.682302] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 36.953541] do_exit+0xd5/0xb00 # [ 36.957044] ? ksys_w[ 46.697653] softirqs last disabled at (0): [<0000000000000000>] 0x0 rite+0x68/0xf0 # [ 36.960936] rewind_stack_do_exit+0x17/0x20[ 46.710869] ---[ end trace 639227b05bc389b5 ]--- # [ 36.965603] RIP: 0033:0x7f6265544f33 # [ 36.969589] Co[ 46.722238] lkdtm: Zero detected: saturated de: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 36.990566] RSP: 002b:00007fff806dc358 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 36.999020] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f6265544f33 # [ 37.006987] RDX: 000000000000000c RSI: 00007f6265435000 RDI: 0000000000000001 # [ 37.014954] RBP: 00007f6265435000 R08: 00007f6265434010 R09: 0000000000000000 # [ 37.022921] R10: 00007f626563f1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 37.030889] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_RODATA: saw 'call trace:': ok ok 34 selftests: lkdtm: EXEC_RODATA.sh # selftests: lkdtm: EXEC_USERSPACE.sh # Killed # [ 37.120762] lkdtm: Performing direct entry EXEC_USERSPACE # [ 37.131944] lkdtm: attempting ok execution at ffffffff81cde490 # [ 37.138517] lkdtm: attempting bad execution at 00007fca63999000 # [ 37.145148] unable to execute userspace code [ 46.836191] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED (SMEP?) (uid: 0) # [ 37.157759] BUG: unable to handle page fa[ 46.845612] lkdtm: attempting bad refcount_inc() from saturated ult for address: 00007fca63999000 # [ 37.165436] #PF: supervi[ 46.858468] ------------[ cut here ]------------ sor instruction fetch in kernel mode # [ 37.171751] #PF: erro[ 46.869837] refcount_t: saturated; leaking memory. r_code(0x0011) - permissions violation # [ 37.177972] PGD 800[ 46.881449] WARNING: CPU: 0 PID: 2388 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 000010334f067 P4D 800000010334f067 PUD 102664067 PMD 1034ec067 P[ 46.897078] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify TE 139bde067 # [ 37.187691] Oops: 0011 [#10] SMP PTI # [ 3[ 46.929735] CPU: 0 PID: 2388 Comm: cat Tainted: G D W 5.10.137-cip14 #1 7.191678] CPU: 3 PID: 1810 Comm: cat Tainted: G D W [ 46.944620] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 5.10.137-cip14 #1 # [ 37.200340] Hardware name: Google Rammu[ 46.957640] RIP: 0010:refcount_warn_saturate+0x51/0x110 s/Rammus, BIOS 09/04/2020 # [ 37.207143] RIP: 0010:0x7fca639[ 46.969700] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d a4 3c 74 01 00 75 ee 48 c7 c7 78 c2 c5 82 c6 05 94 3c 74 01 01 e8 9a 7d 95 00 <0f> 0b c3 cc cc cc cc 80 3d 80 3c 74 01 00 75 cb 48 c7 c7 a0 c2 c5 99000 # [ 37.211128] Code: Unable to access opcode bytes at R[ 46.996920] RSP: 0018:ffff9aed82edfe48 EFLAGS: 00010286 IP 0x7fca63998fd6. # [ 37.218417] RSP: 0018:ffff9aed82587e50 [ 47.008990] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 EFLAGS: 00010246 # [ 37.224248] RAX: 0000000000000033 RBX: 00[ 47.023143] RDX: ffff91ed3ac2c660 RSI: ffff91ed3ac1bf70 RDI: ffff91ed3ac1bf70 00000000000024 RCX: 0000000000000000 # [ 37.232215] RDX: 0000[ 47.037359] RBP: ffffffff82cc07ad R08: 0000000000000000 R09: 0000000000000000 000000000000 RSI: ffff91ed3ad9bf70 RDI: ffff91ed3ad9bf70 # [ [ 47.051529] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 37.240184] RBP: 00007fca63999000 R08: 0000000000000000 R09: 0000[ 47.065758] R13: ffff9aed82edff10 R14: ffff9aed82edff10 R15: ffff91ecc33b9000 000000000000 # [ 37.248150] R10: 00000000ffffe000 R11: 3fffff[ 47.079964] FS: 00007f84dcf1d580(0000) GS:ffff91ed3ac00000(0000) knlGS:0000000000000000 ffffffffff R12: 000000000000000f # [ 37.256118] R13: ffff9aed[ 47.095226] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 82587f10 R14: ffff9aed82587f10 R15: ffff91ecc4e6d000 # [ 37.2[ 47.107847] CR2: 00007f84dcd36000 CR3: 0000000103390001 CR4: 00000000003706f0 64087] FS: 00007fca6396a580(0000) GS:ffff91ed3ad80000(0000) knl[ 47.122072] Call Trace: GS:0000000000000000 # [ 37.273120] CS: 0010 DS: 0000 ES: 000[ 47.131040] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 0 CR0: 0000000080050033 # [ 37.279534] CR2: 00007fca63999000 [ 47.142699] direct_entry.cold+0x2c/0x38 CR3: 00000001029f0005 CR4: 00000000003706e0 # [ 37.287500] Ca[ 47.153342] full_proxy_write+0x53/0x80 ll Trace: # [ 37.290228] ? lkdtm_EXEC_USERSPACE.cold+0x66/0x[ 47.163797] vfs_write+0xe7/0x3a0 ae # [ 37.295576] ? direct_entry.cold+0x2c/0x38 # [ 37.30[ 47.173776] ksys_write+0x68/0xf0 0148] ? full_proxy_write+0x53/0x80 # [ 37.304623] ? vfs_wri[ 47.183638] do_syscall_64+0x30/0x40 te+0xe7/0x3a0 # [ 37.308513] ? ksys_write+0x68/0xf0 # [ 3[ 47.193878] entry_SYSCALL_64_after_hwframe+0x61/0xc6 7.312395] ? do_syscall_64+0x30/0x40 # [ 37.316569] ? entry_[ 47.205731] RIP: 0033:0x7f84dce45f33 SYSCALL_64_after_hwframe+0x61/0xc6 # [ 37.322396] Modules lin[ 47.215931] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 ked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core indu[ 47.243110] RSP: 002b:00007fff4ebe4098 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 strialio_triggered_buffer kfifo_buf industrialio cros_ec_lightba[ 47.257792] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f84dce45f33 r cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhu[ 47.272004] RDX: 0000000000000017 RSI: 00007f84dcd36000 RDI: 0000000000000001 b x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 37.3[ 47.286199] RBP: 00007f84dcd36000 R08: 00007f84dcd35010 R09: 0000000000000000 48849] CR2: 00007fca63999000 # [ 37.358757] ---[ end trace 63[ 47.300403] R10: 00007f84dcf401c0 R11: 0000000000000246 R12: 0000000000000001 9227b05bc389a5 ]--- # [ 37.363910] RIP: 0010:lkdtm_BUG+0x5/0x[ 47.314572] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 10 # [ 37.368287] Code: 89 ff e8 4e bb a3 ff 48 c7 c0 ea ff f[ 47.328758] irq event stamp: 0 f ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff[ 47.338388] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1[ 47.351593] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 f 44 00 00 83 05 50 e4 72 02 # [ 37.389267] RSP: 0018:ffff9ae[ 47.366967] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 d8146fe60 EFLAGS: 00010286 # [ 37.395097] RAX: ffffffff81cde0[ 47.382290] softirqs last disabled at (0): [<0000000000000000>] 0x0 c0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 37.403066][ 47.395514] ---[ end trace 639227b05bc389b6 ]--- RDX: 0000000000000000 RSI: ffff91ed3ad9bf70 RDI: ffffffff828d9c[ 47.406904] lkdtm: Saturation detected: still saturated 10 # [ 37.411033] RBP: ffffffff82d1b910 R08: 0000000000000001 R09: 0000000000000001 # [ 37.419000] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 37.426969] R13: ffff9aed8146ff10 R14: ffff9aed8146ff10 R15: ffff91ecc4eb9000 # [ 37.434938] FS: 00007fca6396a580(0000) GS:ffff91ed3ad80000(0000) knlGS:0000000000000000 # [ 37.443974] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 37.450392] CR2: 00007fca63999000 CR3: 00000001029f0005 CR4: 00000000003706e0 # EXEC_USERSPACE: saw 'call trace:': ok ok 35 selftests: lkdtm: EXEC_USERSPACE.sh # selftests: lkdtm: EXEC_NULL.sh # Killed # [ 37.544426] lkdtm: Performing direct entry EXEC_NULL # [ 37.550975] lkdtm: attempting ok execution at ffffffff81cde490 # [ 37.557497] lkdtm: attempting bad execution at 0000000000000000 # [ 37.564122] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 37.571925] #PF: supervisor instruction fetch in kernel mode # [ 37.578242] #PF: error_code(0x0010) - not-present page # [ 37.583977] PGD 0 P4D 0 # [ 37.586800] O[ 47.518973] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED [ 47.531394] lkdtm: attempting bad refcount_dec() from saturated [ 47.538040] ------------[ cut here ]------------ [ 47.543226] refcount_t: decrement hit 0; leaking memory. [ 47.549170] WARNING: CPU: 3 PID: 2423 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 ops: 0010 [#11] SMP PTI # [ 37.590788] CPU: 3 PID: 1846 Comm:[ 47.558623] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 47.591253] CPU: 3 PID: 2423 Comm: cat Tainted: G D W 5.10.137-cip14 #1 [ 47.599928] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 47.606736] RIP: 0010:refcount_warn_saturate+0xfb/0x110 [ 47.612575] Code: 28 c3 c5 82 c6 05 00 3c 74 01 01 e8 0a 7d 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 f8 c2 c5 82 c6 05 e7 3b 74 01 01 e8 f0 7c 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b [ 47.633586] RSP: 0018:ffff9aed82f77e48 EFLAGS: 00010286 [ 47.639423] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 [ 47.647394] RDX: ffff91ed3adac660 RSI: ffff91ed3ad9bf70 RDI: ffff91ed3ad9bf70 [ 47.655378] RBP: ffffffff82cc07c4 R08: 0000000000000000 R09: 0000000000000000 [ 47.663386] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 47.671357] R13: ffff9aed82f77f10 R14: ffff9aed82f77f10 R15: ffff91ecc4dcd000 [ 47.679350] FS: 00007fbfe6c78580(0000) GS:ffff91ed3ad80000(0000) knlGS:0000000000000000 [ 47.688390] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.694807] CR2: 00007fbfe6a91000 CR3: 0000000100fe4003 CR4: 00000000003706e0 [ 47.702778] Call Trace: [ 47.705509] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f [ 47.710978] direct_entry.cold+0x2c/0x38 [ 47.715390] full_proxy_write+0x53/0x80 [ 47.719698] vfs_write+0xe7/0x3a0 [ 47.723430] ksys_write+0x68/0xf0 [ 47.727130] do_syscall_64+0x30/0x40 [ 47.731146] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 47.736786] RIP: 0033:0x7fbfe6ba0f33 [ 47.740777] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 47.761759] RSP: 002b:00007ffd2cafb418 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 47.770216] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fbfe6ba0f33 [ 47.778186] RDX: 0000000000000017 RSI: 00007fbfe6a91000 RDI: 0000000000000001 [ 47.786157] RBP: 00007fbfe6a91000 R08: 00007fbfe6a90010 R09: 0000000000000000 [ 47.794127] R10: 00007fbfe6c9b1c0 R11: 0000000000000246 R12: 0000000000000001 [ 47.802096] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 47.810071] irq event stamp: 0 cat Tainted: G D W 5.10.137-cip14 #1 # [ 37.599[ 47.813505] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 47.826715] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 47.835852] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 47.844989] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 47.851990] ---[ end trace 639227b05bc389b7 ]--- [ 47.857144] lkdtm: Saturation detected: still saturated 427] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 37.606232] RIP: 0010:0x0 # [ 37.609143] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. # [ 37.616812] RSP: 0018:ffff9aed825ffe48 EFLAGS: 00010246 # [ 37.622635] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 37.630601] RDX: 0000000000000000 RSI: ffff91ed3ad9bf70 RDI: ffff91ed3ad9bf70 # [ 37.638569] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 # [ 37.646537] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 37.654504] R13: ffff9aed825fff10 R14: ffff9aed825fff10 R15: ffff91ecc416d000 # [ 37.662472] FS: 00007f9931957580(0000) GS:ffff91ed3ad80000(0000) knlGS:0000000000000000 # [ 37.671507] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 37.677922] CR2: ffffffffffffffd6 CR3: 00000001035c6001 CR4: 00000000003706e0 # [ 37.685889] Call Trace: # [ 37.688618] execute_location+0x45/0x56 # [ 37.692898] direct_entry.cold+0x2c/0x38 # [ 37.697277] full_proxy_write+0x53/0x80 # [ 37.701558] [ 47.965545] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED vfs_write+0xe7/0x3a0 # [ 37.705256] ksys_write+0x68/0xf0 #[ 47.975525] lkdtm: attempting bad refcount_dec() from saturated [ 37.708953] do_syscall_64+0x30/0x40 # [ 37.712941] entr[ 47.988379] ------------[ cut here ]------------ y_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 37.718570] RIP: 0033[ 47.999742] refcount_t: saturated; leaking memory. :0x7f993187ff33 # [ 37.722555] Code: 8b 15 61 ef 0c 00 f7 d8 [ 48.011371] WARNING: CPU: 0 PID: 2458 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 0[ 48.026958] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 0 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 [ 48.059666] CPU: 0 PID: 2458 Comm: cat Tainted: G D W 5.10.137-cip14 #1 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 37.743535] RSP:[ 48.074476] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 002b:00007ffc79945558 EFLAGS: 00000246 ORIG_RAX: 00000000000000[ 48.087564] RIP: 0010:refcount_warn_saturate+0x51/0x110 01 # [ 37.751990] RAX: ffffffffffffffda RBX: 000000000000000a[ 48.099586] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d a4 3c 74 01 00 75 ee 48 c7 c7 78 c2 c5 82 c6 05 94 3c 74 01 01 e8 9a 7d 95 00 <0f> 0b c3 cc cc cc cc 80 3d 80 3c 74 01 00 75 cb 48 c7 c7 a0 c2 c5 RCX: 00007f993187ff33 # [ 37.759960] RDX: 000000000000000a R[ 48.126800] RSP: 0018:ffff9aed82ff7e48 EFLAGS: 00010286 SI: 00007f9931770000 RDI: 0000000000000001 # [ 37.767927] RBP[ 48.138816] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 : 00007f9931770000 R08: 00007f993176f010 R09: 0000000000000000 [ 48.153028] RDX: ffff91ed3ac2c660 RSI: ffff91ed3ac1bf70 RDI: ffff91ed3ac1bf70 # [ 37.775895] R10: 00007f993197a1c0 R11: 0000000000000246 R12[ 48.167186] RBP: ffffffff82cc07db R08: 0000000000000000 R09: 0000000000000000 : 0000000000000001 # [ 37.783863] R13: 0000000000000001 R14: [ 48.181423] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 0000000000020000 R15: 0000000000020000 # [ 37.791837] Modules[ 48.195590] R13: ffff9aed82ff7f10 R14: ffff9aed82ff7f10 R15: ffff91ecc3383000 linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core [ 48.209763] FS: 00007f9e0920a580(0000) GS:ffff91ed3ac00000(0000) knlGS:0000000000000000 industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lig[ 48.225013] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 htbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sens[ 48.237672] CR2: 00007f9e09023000 CR3: 00000001054da001 CR4: 00000000003706f0 orhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ [ 48.251872] Call Trace: 37.818289] CR2: 0000000000000000 # [ 37.828198] ---[ end trac[ 48.260825] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 e 639227b05bc389a6 ]--- # [ 37.833352] RIP: 0010:lkdtm_BUG+0x[ 48.272481] direct_entry.cold+0x2c/0x38 5/0x10 # [ 37.837728] Code: 89 ff e8 4e bb a3 ff 48 c7 c0 ea [ 48.283080] full_proxy_write+0x53/0x80 ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 f[ 48.293549] vfs_write+0xe7/0x3a0 f ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 [ 48.303458] ksys_write+0x68/0xf0 0f 1f 44 00 00 83 05 50 e4 72 02 # [ 37.858707] RSP: 0018:fff[ 48.313366] do_syscall_64+0x30/0x40 f9aed8146fe60 EFLAGS: 00010286 # [ 37.864538] RAX: ffffffff81[ 48.323573] entry_SYSCALL_64_after_hwframe+0x61/0xc6 cde0c0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 37.872[ 48.335452] RIP: 0033:0x7f9e09132f33 505] RDX: 0000000000000000 RSI: ffff91ed3ad9bf70 RDI: ffffffff82[ 48.345647] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 8d9c10 # [ 37.880470] RBP: ffffffff82d1b910 R08: 000000000000[ 48.372867] RSP: 002b:00007ffdcebcedb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 0001 R09: 0000000000000001 # [ 37.888438] R10: 00000000ffffe0[ 48.387529] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f9e09132f33 00 R11: 3fffffffffffffff R12: 0000000000000004 # [ 37.896404][ 48.401720] RDX: 0000000000000017 RSI: 00007f9e09023000 RDI: 0000000000000001 R13: ffff9aed8146ff10 R14: ffff9aed8146ff10 R15: ffff91ecc4eb90[ 48.415927] RBP: 00007f9e09023000 R08: 00007f9e09022010 R09: 0000000000000000 00 # [ 37.904391] FS: 00007f9931957580(0000) GS:ffff91ed3ad8[ 48.430114] R10: 00007f9e0922d1c0 R11: 0000000000000246 R12: 0000000000000001 0000(0000) knlGS:0000000000000000 # [ 37.913417] CS: 0010 DS[ 48.444309] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 : 0000 ES: 0000 CR0: 0000000080050033 # [ 37.919831] CR2: fff[ 48.458517] irq event stamp: 0 fffffffffffd6 CR3: 00000001035c6001 CR4: 00000000003706e0 # [ [ 48.468140] hardirqs last enabled at (0): [<0000000000000000>] 0x0 37.927800] BUG: sleeping function called from invalid context a[ 48.481357] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 t include/linux/percpu-rwsem.h:49 # [ 37.937710] in_atomic():[ 48.496733] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 0, irqs_disabled(): 1, non_block: 0, pid: 1846, name: cat # [ [ 48.512073] softirqs last disabled at (0): [<0000000000000000>] 0x0 37.946162] INFO: lockdep is turned off. # [ 37.950536] irq [ 48.525289] ---[ end trace 639227b05bc389b8 ]--- event stamp: 0 # [ 37.953939] hardirqs last enabled at (0): [ 48.536698] lkdtm: Saturation detected: still saturated [<0000000000000000>] 0x0 # [ 37.960938] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 37.970061] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 37.979194] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 37.986193] CPU: 3 PID: 1846 Comm: cat Tainted: G D W 5.10.137-cip14 #1 # [ 37.994830] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 38.001631] Call Trace: # [ 38.004358] dump_stack+0x77/0x9b # [ 38.008055] ___might_sleep.cold+0xa6/0xb6 # [ 38.012618] exit_signals+0x1c/0x2e0 # [ 38.016607] do_exit+0xd5/0xb00 # [ 38.020101] ? ksys_write+0x68/0xf0 # [ 38.023995] rewind_stack_do_exit+0x17/0x20 # [ 38.034875] RIP: 0033:0x7f993187ff33 # [ 38.038863] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 38.059833] RSP: 002b:00007ffc79945558 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 38.068277] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f993187ff33 # [ 38.076243] RDX: 000000000000000a RSI: 00007f9931770000 RDI: 0000000000000001 # [ 38.084209] RBP: 00007f9931770000 R08: 00007f993176f010 R09: 0000000000000000 # [ 38.092176] R10: 00007f993197a1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 38.100143] 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 # [ 38.194029] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 38.201409] lkdtm: attempting bad read at 00007f1bfa7ef000 # [ 38.213758] BUG: unable to handle page fault for address: 00007f1bfa7ef000 # [ 38.227626] #PF: supervisor read access in kernel mode # [ 38.233382] #PF: error_code(0x0001) - permissions violation # [ 38.239603] PGD 800000010398e067 P4D 800000010398e067 PUD 10576f067 PMD 104d6c067 PTE 107d61067 # [ 38.249342] Oops: 0001 [#12] SMP PTI # [ 38.259541] CPU: 1 PID: 1881 Comm: cat Tainted: G D W 5.10.137-cip14 #1 # [ 38.268178] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 38.274986] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 # [ 38.281208] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 10 16 cc 82 e8 08 9a fd ff 48 c7 c7 38 16 cc 82 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 ef 99 fd ff 48 89 ee 48 c7 c7 60 16 cc # [ 38.308398] RSP: 0018:ffff9aed82687e48 EFLAGS: 00010246 # [ 38.314231] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 # [ 38.322191] RDX: 0000000000000000 RSI: ffff91ed3ac9bf70 RDI: ffffffff82cc1638 # [ 38.330159] RBP: 00007f1bfa7ef000 R08: 0000000000000000 R09: 0000000000000000 # [ 38.338128] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 # [ 38.346087] R13: ffff9aed82687f10 R14: ffff9aed82687f10 R15: ffff91ecc318d000 # [ 38.354055] FS: 00007f1bfa7c0580(0000) GS:ffff91ed3ac80000(0000) knlGS:0000000000000000 # [ 38.363083] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 38.369489] CR2: 00007f1bfa7ef000 CR3: 00000001033ea004 CR4: 00000000003706e0 # [ 38.377456] Call Trace: # [ 38.380184] direct_entry.cold+0x2c/0x38 # [ 38.384565] full_proxy_write+0x53/0x80 # [ 38.395055] vfs_write+0xe7/0x3a0 # [ 38.398753] ksys_write+0x68/0xf0 # [ 38.408662] do_syscall_64+0x30/0x40 # [ 38.412650] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 38.424502] RIP: 0033:0x7f1bfa6e8f33 # [ 38.428491] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 38.449461] RSP: 002b:00007ffc77f62a28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 38.457914] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f1bfa6e8f33 # [ 38.465882] RDX: 0000000000000011 RSI: 00007f1bfa5d9000 RDI: 0000000000000001 # [ 38.473849] RBP: 00007f1bfa5d9000 R08: 00007f1bfa5d8010 R09: 0000000000000000 # [ 38.481818] R10: 00007f1bfa7e31c0 R11: 0000000000000246 R12: 0000000000000001 # [ 38.489787] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 38.497758] Modules linked in: fu[ 48.980088] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED [ 48.992613] lkdtm: attempting bad refcount_inc_not_zero() from saturated [ 49.000132] ------------[ cut here ]------------ se ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_t[ 49.005315] refcount_t: saturated; leaking memory. [ 49.016899] WARNING: CPU: 2 PID: 2490 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 riggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_[ 49.026335] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 49.058965] CPU: 2 PID: 2490 Comm: cat Tainted: G D W 5.10.137-cip14 #1 [ 49.067617] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 49.074424] RIP: 0010:refcount_warn_saturate+0x97/0x110 [ 49.080259] Code: 01 01 e8 77 7d 95 00 0f 0b c3 cc cc cc cc 80 3d 5f 3c 74 01 00 75 a8 48 c7 c7 78 c2 c5 82 c6 05 4f 3c 74 01 01 e8 54 7d 95 00 <0f> 0b c3 cc cc cc cc 80 3d 39 3c 74 01 00 75 85 48 c7 c7 d0 c2 c5 [ 49.101242] RSP: 0018:ffff9aed8308fe38 EFLAGS: 00010282 [ 49.107078] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 [ 49.115050] RDX: ffff91ed3ad2c660 RSI: ffff91ed3ad1bf70 RDI: ffff91ed3ad1bf70 [ 49.123022] RBP: ffffffff82cc0408 R08: 0000000000000000 R09: 0000000000000000 [ 49.130992] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 49.138964] R13: ffff9aed8308ff10 R14: ffff9aed8308ff10 R15: ffff91ecc2664000 [ 49.146935] FS: 00007f05b6e4b580(0000) GS:ffff91ed3ad00000(0000) knlGS:0000000000000000 [ 49.155973] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.162398] CR2: 00007f05b6c64000 CR3: 000000010420c004 CR4: 00000000003706e0 [ 49.170360] Call Trace: [ 49.173137] __refcount_add_not_zero.constprop.0+0x2a/0x35 [ 49.179296] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 [ 49.185643] direct_entry.cold+0x2c/0x38 [ 49.190056] full_proxy_write+0x53/0x80 [ 49.194389] vfs_write+0xe7/0x3a0 [ 49.198114] ksys_write+0x68/0xf0 [ 49.201815] do_syscall_64+0x30/0x40 [ 49.205829] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 49.211472] RIP: 0033:0x7f05b6d73f33 [ 49.215463] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 49.236447] RSP: 002b:00007ffe214c1068 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 49.244904] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f05b6d73f33 [ 49.252875] RDX: 0000000000000020 RSI: 00007f05b6c64000 RDI: 0000000000000001 [ 49.260850] RBP: 00007f05b6c64000 R08: 00007f05b6c63010 R09: 0000000000000000 [ 49.268852] R10: 00007f05b6e6e1c0 R11: 0000000000000246 R12: 0000000000000001 [ 49.276826] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 49.284804] irq event stamp: 0 debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_[ 49.288241] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 49.301446] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 49.310586] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 49.319746] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 49.326768] ---[ end trace 639227b05bc389b9 ]--- [ 49.331925] lkdtm: Saturation detected: still saturated temp_thermal cros_ec_dev cros_usbpd_notify # [ 38.530392] CR2: 00007f1bfa7ef000 # [ 38.534088] ---[ end trace 639227b05bc389a7 ]--- # [ 38.539243] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 38.543620] Code: 89 ff e8 4e bb 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 50 e4 72 02 # [ 38.564591] RSP: 0018:ffff9aed8146fe60 EFLAGS: 00010286 # [ 38.570422] RAX: ffffffff81cde0c0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 38.578395] RDX: 0000000000000000 RSI: ffff91ed3ad9bf70 RDI: ffffffff828d9c10 # [ 38.586362] RBP: ffffffff82d1b910 R08: 0000000000000001 R09: 0000000000000001 # [ 38.594339] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 38.602307] R13: ffff9aed8146ff10 R14: ffff9aed8146ff10 R15: ffff91ecc4eb9000 # [ 38.610276] FS: 00007f1bfa7c0580(0000) GS:ffff91ed3ac80000(0000) knlGS:0000000000000000 # [ 38.619314] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 38.625752] CR2: 00007f1bfa7ef000 CR3: 00000001033ea004 CR4: 00000000003706e0 # ACCESS_USERSPACE:[ 49.448143] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED [ 49.457361] lkdtm: attempting bad refcount_add_not_zero() from saturated [ 49.464873] ------------[ cut here ]------------ [ 49.470032] refcount_t: saturated; leaking memory. [ 49.475441] WARNING: CPU: 3 PID: 2522 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 saw 'call trace:': ok ok 37 selftests: lkdtm: ACCESS_USERSPACE[ 49.484875] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 49.517506] CPU: 3 PID: 2522 Comm: cat Tainted: G D W 5.10.137-cip14 #1 [ 49.526180] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 49.532990] RIP: 0010:refcount_warn_saturate+0x97/0x110 [ 49.538855] Code: 01 01 e8 77 7d 95 00 0f 0b c3 cc cc cc cc 80 3d 5f 3c 74 01 00 75 a8 48 c7 c7 78 c2 c5 82 c6 05 4f 3c 74 01 01 e8 54 7d 95 00 <0f> 0b c3 cc cc cc cc 80 3d 39 3c 74 01 00 75 85 48 c7 c7 d0 c2 c5 [ 49.559836] RSP: 0018:ffff9aed8311fe38 EFLAGS: 00010282 [ 49.565671] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 [ 49.573662] RDX: ffff91ed3adac660 RSI: ffff91ed3ad9bf70 RDI: ffff91ed3ad9bf70 .sh # selftests: lkdtm: ACCESS_NULL.sh # Killed # [ 38.7154[ 49.581645] RBP: ffffffff82cc0428 R08: 0000000000000000 R09: 0000000000000000 [ 49.595824] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 49.603794] R13: ffff9aed8311ff10 R14: ffff9aed8311ff10 R15: ffff91ecc38fe000 [ 49.611766] FS: 00007f5569319580(0000) GS:ffff91ed3ad80000(0000) knlGS:0000000000000000 [ 49.620804] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.627222] CR2: 00007f5569132000 CR3: 0000000100fe6003 CR4: 00000000003706e0 [ 49.635192] Call Trace: [ 49.637924] __refcount_add_not_zero.constprop.0+0x2a/0x35 [ 49.644080] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 [ 49.650425] direct_entry.cold+0x2c/0x38 [ 49.654805] full_proxy_write+0x53/0x80 [ 49.659112] vfs_write+0xe7/0x3a0 [ 49.662837] ksys_write+0x68/0xf0 [ 49.666537] do_syscall_64+0x30/0x40 [ 49.670528] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 49.676169] RIP: 0033:0x7f5569241f33 [ 49.680158] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 49.701142] RSP: 002b:00007ffc1ac240c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 49.709601] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f5569241f33 [ 49.717571] RDX: 0000000000000020 RSI: 00007f5569132000 RDI: 0000000000000001 [ 49.725542] RBP: 00007f5569132000 R08: 00007f5569131010 R09: 0000000000000000 [ 49.733513] R10: 00007f556933c1c0 R11: 0000000000000246 R12: 0000000000000001 [ 49.741483] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 49.749458] irq event stamp: 0 [ 49.752895] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 49.759896] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 49.769033] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 49.778167] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 49.785167] ---[ end trace 639227b05bc389ba ]--- 03] lkdtm: Performing direct entry ACCESS_NULL # [ 38.726472][ 49.790325] lkdtm: Saturation detected: still saturated lkdtm: attempting bad read at 0000000000000000 # [ 38.738838] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 38.752805] #PF: supervisor read access in kernel mode # [ 38.758540] #PF: error_code(0x0000) - not-present page # [ 38.764275] PGD 0 P4D 0 # [ 38.767099] Oops: 0000 [#13] SMP PTI # [ 38.771087] CPU: 1 PID: 1916 Comm: cat Tainted: G D W 5.10.137-cip14 #1 # [ 38.779734] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 38.786539] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 # [ 38.791790] Code: ac 99 fd ff be 00 10 00 00 48 89 ef e8 3c 97 3c ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 10 16 cc 82 e8 86 99 fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 38 16 cc 82 48 01 # [ 38.818979] RSP: 0018:ffff9aed8270fe58 EFLAGS: 00010246 # [ 38.824813] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 # [ 38.832772] RDX: 0000000000000000 RSI: ffff91ed3ac9bf70 RDI: ffff91ed3ac9bf70 # [ 38.840740] RBP: ffffffff82cc0701 R08: 0000000000000000 R09: 0000000000000000 # [ 38.848708] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 38.856676] R13: ffff9aed8270ff10 R14: ffff9aed8270ff10 R15: ffff91ecc4e80000 # [ 38.864644] FS: 00007fa697cbd580(0000) GS:ffff91ed3ac80000(0000) knlGS:0000000000000000 # [ 38.873681] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 38.880095] CR2: 0000000000000000 CR3: 000000010414a001 CR4: 00000000003706e0 # [ 38.888061] Call Trace: # [ 38.890788] direct_entry.cold+0x2c/0x38 # [ 38.895167] full_proxy_write+0x53/0x80 # [ 38.905658] vfs_write+0xe7/0x3a0 # [ 38.909357] ksys_write+0x68/0xf0 # [ 38.919265] do_syscall_64+0x30/0x40 # [ 38.923254] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 38.928892] RIP: 0033:0x7fa697be5f33 # [ 38.932880] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 38.953852] RSP: 002b:00007ffc73cec8a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 38.962298] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fa697be5f33 # [ 38.970266] RDX: 000000000000000c RSI: 00007fa697ad6000 RDI: 0000000000000001 # [ 38.978234] RBP: 00007fa697ad6000 R08: 00007fa697ad5010 R09: 0000000000000000 # [ 38.986199] R10: 00007fa697ce01c0 R11: 0000000000000246 R12: 0000000000000001 # [ 38.994167] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 39.002140] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 39.034774] CR2: 0000000000000000 # [ 39.038470] ---[ end trace 639227b05bc389a8 ]--- # [ 39.043623] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 39.048000] Code: 89 ff e8 4e bb 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 50 e4 72 02 # [ 39.068978] RSP: 0018:ffff9aed8146fe60 EFLAGS: 00010286 # [ 39.074810] RAX: ffffffff81cde0c0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 39.082777] RDX: 0000000000000000 RSI: ffff91ed3ad9bf70 RDI: ffffffff828d9c10 # [ 39.090744] RBP: ffffffff82d1b910 R08: 0000000000000001 R09: 0000000000000001 # [ 39.098711] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 39.106679] R13: ffff9aed8146ff10 R14: ffff9aed8146ff10 R15: ffff91ecc4eb9000 # [ 39.114649] FS: 00007fa697cbd580(0000) GS:ffff91ed3ac80000(0000) knlGS:0000000000000000 # [ 39.123676] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 39.130091] CR2: 0000000000000000 CR3: 000000010414a001 CR4: 00000000003706e0 # [ 39.138061] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 39.147971] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1916, name: cat # [ 39.156416] INFO: lockdep is turned off. # [ 39.160792] irq event stamp: 0 # [ 39.164196] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 39.171196] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 39.180343] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 39.189476] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 39.196474] CPU: 1 PID: 1916 Comm: cat Tainted: G D W 5.10.137-cip14 #1 # [ 39.205121] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 39.211922] Call Trace: # [ 39.214651] dump_stack+0x77/0x9b # [ 39.218350] ___might_sleep.cold+0xa6/0xb6 # [ 39.229132] exit_signals+0x1c/0x2e0 # [ 39.233120] do_exit+0xd5/0xb00 # [ 39.236623] ? ksys_write+0x68/0xf0 # [ 39.240515] rewind_stack_do_exit+0x17/0x20 # [ 39.245182] RIP: 0033:0x7fa697be5f33 # [ 39.249169] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 39.270148] RSP: 002b:00007ffc73cec8a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 39.278592] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fa697be5f33 # [ 39.286561] RDX: 000000000000000c RSI: 00007fa697ad6000 RDI: 0000000000000001 # [ 39.294529] RBP: 00007fa697ad6000 R08: 00007fa697ad5010 R09: 0000000000000000 # [ 39.302497] R10: 00007fa697ce01c0 R11: 0000000000000246 R12: 0000000000000001 # [ 39.310465] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # ACCESS_NULL: saw 'call trace:': ok ok 38 selftests: lkdtm: ACCESS_NULL.sh # selftests: lkdtm: WRITE_RO.sh # Killed # [ 39.406054] lkdtm: Performing direct entry WRITE_RO # [ 39.417116] lkdtm: attempting bad rodata write at ffffffff828da090 # [ 39.430259] BUG: unable to handle page fault for [ 50.400743] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED [ 50.413766] lkdtm: attempting bad refcount_dec_and_test() from saturated address: ffffffff828da090 # [ 39.444128] #PF: supervisor writ[ 50.421268] ------------[ cut here ]------------ [ 50.432626] refcount_t: underflow; use-after-free. [ 50.438004] WARNING: CPU: 2 PID: 2557 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 e access in kernel mode # [ 39.449960] #PF: error_code(0x0003[ 50.447438] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 50.480069] CPU: 2 PID: 2557 Comm: cat Tainted: G D W 5.10.137-cip14 #1 [ 50.488741] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 50.495549] RIP: 0010:refcount_warn_saturate+0xba/0x110 [ 50.501394] Code: 01 01 e8 54 7d 95 00 0f 0b c3 cc cc cc cc 80 3d 39 3c 74 01 00 75 85 48 c7 c7 d0 c2 c5 82 c6 05 29 3c 74 01 01 e8 31 7d 95 00 <0f> 0b c3 cc cc cc cc 80 3d 14 3c 74 01 00 0f 85 5e ff ff ff 48 c7 [ 50.522387] RSP: 0018:ffff9aed831a7e40 EFLAGS: 00010286 [ 50.528223] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 [ 50.536194] RDX: ffff91ed3ad2c660 RSI: ffff91ed3ad1bf70 RDI: ffff91ed3ad1bf70 [ 50.544167] RBP: ffffffff82cc0448 R08: 0000000000000000 R09: 0000000000000000 [ 50.552136] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 50.560108] R13: ffff9aed831a7f10 R14: ffff9aed831a7f10 R15: ffff91ecc34b4000 [ 50.568078] FS: 00007f6e65db3580(0000) GS:ffff91ed3ad00000(0000) knlGS:0000000000000000 [ 50.577119] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.583536] CR2: 00007f6e65bcc000 CR3: 0000000103576001 CR4: 00000000003706e0 [ 50.591507] Call Trace: [ 50.594237] __refcount_sub_and_test.constprop.0+0x3c/0x50 [ 50.600394] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 [ 50.606720] direct_entry.cold+0x2c/0x38 [ 50.611132] full_proxy_write+0x53/0x80 [ 50.615446] vfs_write+0xe7/0x3a0 [ 50.619170] ksys_write+0x68/0xf0 [ 50.622872] do_syscall_64+0x30/0x40 [ 50.626866] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 50.632508] RIP: 0033:0x7f6e65cdbf33 [ 50.636499] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 50.657483] RSP: 002b:00007ffe91a50168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 50.665939] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f6e65cdbf33 [ 50.673909] RDX: 0000000000000020 RSI: 00007f6e65bcc000 RDI: 0000000000000001 ) - permissions violation # [ 39.456181] PGD 138029067 P4D 13[ 50.681887] RBP: 00007f6e65bcc000 R08: 00007f6e65bcb010 R09: 0000000000000000 [ 50.696071] R10: 00007f6e65dd61c0 R11: 0000000000000246 R12: 0000000000000001 [ 50.704046] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 50.712023] irq event stamp: 0 8029067 PUD 13802a063 PMD 8000000137a000e1 # [ 39.463959] Oo[ 50.715467] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 50.728672] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 ps: 0003 [#14] SMP PTI # [ 39.474158] CPU: 1 PID: 1951 Comm: [ 50.737828] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 50.753171] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 50.760174] ---[ end trace 639227b05bc389bb ]--- [ 50.765346] lkdtm: Saturation detected: still saturated cat Tainted: G D W 5.10.137-cip14 #1 # [ 39.482806] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 39.489613] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a # [ 39.494571] Code: 00 48 c7 c7 f0 14 cc 82 48 c7 c6 90 a0 8d 82 e8 30 9c fd ff 48 8b 05 06 cb 59 00 ba 34 12 cd ab 48 c7 c7 20 15 cc 82 48 31 d0 <48> 89 05 f0 ca 59 00 e9 0e 9c fd ff 0f 1f 44 00 00 48 8b 05 77 ed # [ 39.521764] RSP: 0018:ffff9aed827cfe60 EFLAGS: 00010202 # [ 39.527589] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 # [ 39.535555] RDX: 00000000abcd1234 RSI: ffff91ed3ac9bf70 RDI: ffffffff82cc1520 # [ 39.543523] RBP: ffffffff82cc070d R08: 0000000000000000 R09: 0000000000000000 # [ 39.551491] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 # [ 39.559459] R13: ffff9aed827cff10 R14: ffff9aed827cff10 R15: ffff91ecc4dc7000 # [ 39.567426] FS: 00007fa6602f4580(0000) GS:ffff91ed3ac80000(0000) knlGS:0000000000000000 # [ 39.576462] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 39.582875] CR2: ffffffff828da090 CR3: 0000000104eec001 CR4: 00000000003706e0 # [ 39.590842] Call Trace: # [ 39.593568] direct_entry.cold+0x2c/0x38 # [ 39.597938] full_proxy_write+0x53/0x80 # [ 39.602219] vfs_write+0xe7/0[ 50.893091] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED x3a0 # [ 39.612126] ksys_write+0x68/0xf0 # [ 39.615816] [ 50.903205] lkdtm: attempting bad refcount_sub_and_test() from saturated do_syscall_64+0x30/0x40 # [ 39.619804] entry_SYSCALL_64_afte[ 50.916925] ------------[ cut here ]------------ [ 50.928272] refcount_t: underflow; use-after-free. r_hwframe+0x61/0xc6 # [ 39.625434] RIP: 0033:0x7fa66021cf33 [ 50.933654] WARNING: CPU: 1 PID: 2592 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 39.629422] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0[ 50.949261] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 [ 50.981899] CPU: 1 PID: 2592 Comm: cat Tainted: G D W 5.10.137-cip14 #1 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48[ 50.996764] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 83 ec 28 48 89 54 24 18 # [ 39.650404] RSP: 002b:00007ffe240[ 51.009783] RIP: 0010:refcount_warn_saturate+0xba/0x110 cfed8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 39.6588[ 51.021833] Code: 01 01 e8 54 7d 95 00 0f 0b c3 cc cc cc cc 80 3d 39 3c 74 01 00 75 85 48 c7 c7 d0 c2 c5 82 c6 05 29 3c 74 01 01 e8 31 7d 95 00 <0f> 0b c3 cc cc cc cc 80 3d 14 3c 74 01 00 0f 85 5e ff ff ff 48 c7 56] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007fa6602[ 51.049054] RSP: 0018:ffff9aed83227e40 EFLAGS: 00010286 1cf33 # [ 39.666823] RDX: 0000000000000009 RSI: 00007fa66010d[ 51.061080] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 000 RDI: 0000000000000001 # [ 39.674791] RBP: 00007fa66010d00[ 51.075264] RDX: ffff91ed3acac660 RSI: ffff91ed3ac9bf70 RDI: ffff91ed3ac9bf70 [ 51.089448] RBP: ffffffff82cc0468 R08: 0000000000000000 R09: 0000000000000000 0 R08: 00007fa66010c010 R09: 0000000000000000 # [ 39.682758] [ 51.097422] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 51.111602] R13: ffff9aed83227f10 R14: ffff9aed83227f10 R15: ffff91ecc54cb000 R10: 00007fa6603171c0 R11: 0000000000000246 R12: 000000000000000[ 51.119576] FS: 00007f3e9bbc9580(0000) GS:ffff91ed3ac80000(0000) knlGS:0000000000000000 1 # [ 39.690724] R13: 0000000000000001 R14: 0000000000020000 [ 51.134823] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.147453] CR2: 00007f3e9b9e2000 CR3: 00000001029ac005 CR4: 00000000003706e0 R15: 0000000000020000 # [ 39.698695] Modules linked in: fuse [ 51.155426] Call Trace: ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_trig[ 51.164379] __refcount_sub_and_test.constprop.0+0x3c/0x50 gered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_deb[ 51.176748] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 ugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_tem[ 51.189283] direct_entry.cold+0x2c/0x38 p_thermal cros_ec_dev cros_usbpd_notify # [ 39.731342] CR2: f[ 51.199875] full_proxy_write+0x53/0x80 fffffff828da090 # [ 39.735039] ---[ end trace 639227b05bc389a[ 51.210391] vfs_write+0xe7/0x3a0 9 ]--- # [ 39.740193] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 39.[ 51.220311] ksys_write+0x68/0xf0 744569] Code: 89 ff e8 4e bb a3 ff 48 c7 c0 ea ff ff ff eb de 48[ 51.230229] do_syscall_64+0x30/0x40 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f [ 51.240436] entry_SYSCALL_64_after_hwframe+0x61/0xc6 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83[ 51.252291] RIP: 0033:0x7f3e9baf1f33 05 50 e4 72 02 # [ 39.765549] RSP: 0018:ffff9aed8146fe60 EFL[ 51.262499] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 AGS: 00010286 # [ 39.771392] RAX: ffffffff81cde0c0 RBX: 00000[ 51.289698] RSP: 002b:00007fffdae651b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 00000000001 RCX: 0000000000000000 # [ 39.779362] RDX: 0000000[ 51.304374] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f3e9baf1f33 000000000 RSI: ffff91ed3ad9bf70 RDI: ffffffff828d9c10 # [ 39.[ 51.318561] RDX: 0000000000000020 RSI: 00007f3e9b9e2000 RDI: 0000000000000001 787341] RBP: ffffffff82d1b910 R08: 0000000000000001 R09: 0000000[ 51.332751] RBP: 00007f3e9b9e2000 R08: 00007f3e9b9e1010 R09: 0000000000000000 000000001 # [ 39.795309] R10: 00000000ffffe000 R11: 3ffffffff[ 51.346939] R10: 00007f3e9bbec1c0 R11: 0000000000000246 R12: 0000000000000001 fffffff R12: 0000000000000004 # [ 39.803278] R13: ffff9aed814[ 51.361126] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 6ff10 R14: ffff9aed8146ff10 R15: ffff91ecc4eb9000 # [ 39.8112[ 51.375320] irq event stamp: 0 48] FS: 00007fa6602f4580(0000) GS:ffff91ed3ac80000(0000) knlGS:[ 51.384939] hardirqs last enabled at (0): [<0000000000000000>] 0x0 0000000000000000 # [ 39.820286] CS: 0010 DS: 0000 ES: 0000 C[ 51.398158] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 R0: 0000000080050033 # [ 39.826699] CR2: ffffffff828da090 CR3[ 51.413510] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 : 0000000104eec001 CR4: 00000000003706e0 # WRITE_RO: saw 'call [ 51.428862] softirqs last disabled at (0): [<0000000000000000>] 0x0 trace:': ok ok 39 selftests: lkdtm: WRITE_RO.sh # selftests: l[ 51.442077] ---[ end trace 639227b05bc389bc ]--- kdtm: WRITE_RO_AFTER_INIT.sh # Killed # [ 39.929759] lkdtm: [ 51.453449] lkdtm: Saturation detected: still saturated Performing direct entry WRITE_RO_AFTER_INIT # [ 39.940631] lkdtm: attempting bad ro_after_init write at ffffffff82d3c328 # [ 39.948240] BUG: unable to handle page fault for address: ffffffff82d3c328 # [ 39.955948] #PF: supervisor write access in kernel mode # [ 39.961780] #PF: error_code(0x0003) - permissions violation # [ 39.968000] PGD 138029067 P4D 138029067 PUD 13802a063 PMD 104d43063 PTE 8000000137f3c061 # [ 39.977040] Oops: 0003 [#15] SMP PTI # [ 39.981027] CPU: 3 PID: 1986 Comm: cat Tainted: G D W 5.10.137-cip14 #1 # [ 39.989674] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 39.996480] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a # [ 40.002506] Code: 15 cc 82 e9 e2 9b fd ff 48 c7 c7 78 15 cc 82 e8 d6 9b fd ff 48 8b 05 44 ed 9f 00 ba 34 12 cd ab 48 c7 c7 20 15 cc 82 48 31 d0 <48> 89 05 2e ed 9f 00 e9 b4 9b fd ff 0f 1f 44 00 00 41 54 48 c7 c7 # [ 40.023485] RSP: 0018:ffff9aed82867e60 EFLAGS: 00010202 # [ 40.029340] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 # [ 40.037309] RDX: 00000000abcd1234 RSI: ffff91ed3ad9bf70 RDI: ffffffff82cc1520 # [ 40.045277] RBP: ffffffff82cc0716 R08: 0000000000000000 R09: 0000000000000000 # [ 40.053245] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 # [ 40.061212] R13: ffff9aed82867f10 R14: ffff9aed82867f10 R15: ffff91ecc56c9000 # [ 40.069179] FS: 00007f5319096580(0000) GS:ffff91ed3ad80000(0000) knlGS:0000000000000000 # [ 40.078214] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 40.084627] CR2: ffffffff82d3c328 CR3: 0000000103626005 CR4: 00000000003706e0 # [ 40.092593] Call Trace: # [ 40.095342] direct_entry.cold+0x2c/0x38 # [ 40.099721] full_proxy_write+0x53/0x80 # [ 40.104002] vfs_write+0xe7/0x3a0 # [ 40.107697] ksys_write+0x68/0xf0 # [ 40.111398] do_syscall_64+0x30/0x40 # [ 40.115399] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 40.121037] RIP: 0033:0x7f5318fbef33 # [ 40.125024] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 40.146000] RSP: 002b:00007ffeca61ff48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 40.154454] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f5318fbef33 # [ 40.162421] RDX: 0000000000000014 RSI: 00007f5318eaf000 RDI: 0000000000000001 # [ 40.170396] RBP: 00007f5318eaf000 R08: 00007f5318eae010 R09: 0000000000000000 # [ 40.178363] R10: 00007f53190b91c0 R11: 0000000000000246 R12: 0000000000000001 # [ 40.186340] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 40.194311] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 40.220767] CR2: ffffffff82d3c328 # [ 40.230675] ---[ end trace 639227b05bc389aa ]--- # [ 40.235829] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 40.240205] Code: 89 ff e8 4e bb 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 50 e4 72 02 # [ 40.261184] RSP: 0018:ffff9aed8146fe60 EFLAGS: 00010286 # [ 40.267016] RAX: ffffffff81cde0c0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 40.274984] RDX: 0000000000000000 RSI: ffff91ed3ad9bf70 RDI: ffffffff828d9c10 # [ 40.282951] RBP: ffffffff82d1b910 R08: 0000000000000001 R09: 0000000000000001 # [ 40.290918] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 40.298885] R13: ffff9aed8146ff10 R14: ffff9aed8146ff10 R15: ffff91ecc4eb9000 # [ 40.306852] FS: 00007f5319096580(0000) GS:ffff91ed3ad80000(0000) knlGS:0000000000000000 # [ 40.315887] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 40.322299] CR2: ffffffff82d3c328 CR3: 0000000103626005 CR4: 00000000003706e0 # [ 40.330265] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 40.340175] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1986, name: cat # [ 40.348627] INFO: lockdep is turned off. # [ 40.353003] irq event stamp: 0 # [ 40.356406] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 40.363402] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 40.372534] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 40.381667] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 40.388663] CPU: 3 PID: 1986 Comm: cat Tainted: G D W 5.10.137-cip14 #1 # [ 40.397310] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 40.404113] Call Trace: # [ 40.406841] dump_stack+0x77/0x9b # [ 40.410540] ___might_sleep.cold+0xa6/0xb6 # [ 40.415112] exit_signals+0x1c/0x2e0 # [ 40.419099] do_exit+0xd5/0xb00 # [ 40.422602] ? ksys_write+0x68/0xf0 # [ 40.426493] rewind_stack_do_exit+0x17/0x20 # [ 40.431160] RIP: 0033:0x7f5318fbef33 # [ 40.435147] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 40.456125] RSP: 002b:00007ffeca61ff48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 40.464578] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f5318fbef33 # [ 40.472546] RDX: 0000000000000014 RSI: 00007f5318eaf000 RDI: 0000000000000001 # [ 40.480513] RBP: 00007f5318eaf000 R08: 00007f5318eae010 R09: 0000000000000000 # [ 40.488481] R10: 00007f53190b91c0 R11: 0000000000000246 R12: 0000000000000001 # [ 40.496447] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # WRITE_RO_AFTER_INIT: saw 'call trace:': ok ok 40 selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # selftests: lkdtm: WRITE_KERN.sh # Killed # [ 40.598939] lkdtm: Performing direct entry WRITE_KERN # [ 40.609541] lkdtm: attempting bad 6680692 byte write at ffffffff8233d504 # [ 40.617030] BUG: unable to handle page fault for address: ffffffff8233d504 # [ 40.624739] #PF: supervisor write access in kernel mode # [ 40.630571] #PF: error_code(0x0003) - permissions violation # [ 40.636789] PGD 138029067 P4D 138029067 PUD 13802a063 PMD 1374000e1 # [ 40.643886] Oops: 0003 [#16] SMP P[ 52.109852] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO [ 52.117096] lkdtm: attempting good copy_to_user of correct size TI # [ 40.647875] CPU: 3 PID: 2021 Comm: cat Tainted: G [ 52.123723] lkdtm: attempting bad copy_to_user of too large size D W 5.10.137-cip14 #1 # [ 40.656522] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 40.663346] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e # [ 40.668500] Code: 53 48 c7 c3 04 d5 33 82 49 89 dc 48 89 da 49 81 ec 90 e4 cd 81 4c 89 e6 e8 89 9b fd ff 48 89 df 4c 89 e1 48 c7 c6 90 e4 cd 81 a4 48 c7 c7 20 15 cc 82 e8 6e 9b fd ff 5b 41 5c e9 b7 fe ff ff # [ 40.695689] RSP: 0018:ffff9aed8290fe50 EFLAGS: 00010246 # [ 40.701522] RAX: 000000000000003c RBX: ffffffff8233d504 RCX: 000000000065f074 # [ 40.709489] RDX: 0000000000000000 RSI: ffffffff81cde490 RDI: ffffffff8233d504 # [ 40.717457] RBP: ffffffff82cc072a R08: 0000000000000000 R09: 0000000000000000 # [ 40.725424] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000065f074 # [ 40.733400] R13: ffff9aed8290ff10 R14: ffff9aed8290ff10 R15: ffff91ecc5c6e000 # [ 40.741368] FS: 00007f110efd7580(0000) GS:ffff91ed3ad80000(0000) knlGS:0000000000000000 # [ 40.750402] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 40.756815] CR2: ffffffff8233d504 CR3: 00000001039c2006 CR4: 00000000003706e0 # [ 40.764783] Call Trace: # [ 40.767510] [ 52.243021] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM [ 52.255474] lkdtm: attempting good copy_from_user of correct size direct_entry.cold+0x2c/0x38 # [ 40.771889] full_proxy_write[ 52.262293] lkdtm: attempting bad copy_from_user of too large size +0x53/0x80 # [ 40.776169] vfs_write+0xe7/0x3a0 # [ 40.779867] ksys_write+0x68/0xf0 # [ 40.783566] do_syscall_64+0x30/0x40 # [ 40.787554] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 40.793191] RIP: 0033:0x7f110eefff33 # [ 40.797179] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 40.818158] RSP: 002b:00007fffe94a7198 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 40.826611] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f110eefff33 # [ 40.834579] RDX: 000000000000000b RSI: 00007f110edf0000 RDI: 0000000000000001 # [ 40.842545] RBP: 00007f110edf0000 R08: 00007f110edef010 R09: 0000000000000000 # [ 40.850512] R10: 00007f110effa1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 40.858481] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 40.866452] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 40.892905] CR2: ffffffff8233d504 #[ 52.397368] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO [ 40.902812] ---[ end trace 639227b05bc389ab ]--- # [ 40.9[ 52.406965] lkdtm: attempting good copy_to_user inside whitelist 07965] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 40.912342] Code: 89 f[ 52.419907] lkdtm: attempting bad copy_to_user outside whitelist f e8 4e bb 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 50 e4 72 02 # [ 40.933340] RSP: 0018:ffff9aed8146fe60 EFLAGS: 00010286 # [ 40.939172] RAX: ffffffff81cde0c0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 40.947140] RDX: 0000000000000000 RSI: ffff91ed3ad9bf70 RDI: ffffffff828d9c10 # [ 40.955109] RBP: ffffffff82d1b910 R08: 0000000000000001 R09: 0000000000000001 # [ 40.963077] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 40.971043] R13: ffff9aed8146ff10 R14: ffff9aed8146ff10 R15: ffff91ecc4eb9000 # [ 40.979009] FS: 00007f110efd7580(0000) GS:ffff91ed3ad80000(0000) knlGS:0000000000000000 # [ 40.988045] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 40.994457] CR2: ffffffff8233d504 CR3: 00000001039c2006 CR4: 00000000003706e0 # WRITE_KERN: saw 'call trace:': ok ok 41 selftests: lkdtm: WRITE_KERN.sh # selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # [ 41.092600] lkdtm: Performing direct entr[ 52.536501] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM [ 52.545841] lkdtm: attempting good copy_from_user inside whitelist [ 52.552778] lkdtm: attempting bad copy_from_user outside whitelist y REFCOUNT_INC_OVERFLOW # [ 41.102407] lkdtm: attempting good refcount_inc() without overflow # [ 41.109342] lkdtm: attempting bad refcount_inc() overflow # [ 41.121576] ------------[ cut here ]------------ # [ 41.126754] refcount_t: saturated; leaking memory. # [ 41.132130] WARNING: CPU: 3 PID: 2056 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 41.141565] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 41.174195] CPU: 3 PID: 2056 Comm: cat Tainted: G D W 5.10.137-cip14 #1 # [ 41.182844] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 41.189651] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 41.195485] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d a4 3c 74 01 00 75 ee 48 c7 c7 78 c2 c5 82 c6 05 94 3c 74 01 01 e8 9a 7d 95 00 <0f> 0b c3 cc cc cc cc 80 3d 80 3c 74 01 00 75 cb 48 c7 c7 a0 c2 c5 # [ 41.216466] RSP: 0018:ffff9aed829a7e48 EFLAGS: 00010286 [ 52.665563] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO [ 52.678520] lkdtm: good_stack: ffff9aed835afe20-ffff9aed835afe40 [ 52.685264] lkdtm: bad_stack : ffff9aed835afda8-ffff9aed835afdc8 [ 52.692027] lkdtm: attempting good copy_to_user of local stack # [ 41.222302] RAX: 0000000000000000 RBX: 000000000000002b RCX[ 52.698556] lkdtm: attempting bad copy_to_user of distant stack : 0000000000000000 # [ 41.230273] RDX: ffff91ed3adac660 RSI: ffff91ed3ad9bf70 RDI: ffff91ed3ad9bf70 # [ 41.238244] RBP: ffffffff82cc0735 R08: 0000000000000000 R09: 0000000000000000 # [ 41.246215] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 41.254187] R13: ffff9aed829a7f10 R14: ffff9aed829a7f10 R15: ffff91ecc4295000 # [ 41.262158] FS: 00007f40a98d2580(0000) GS:ffff91ed3ad80000(0000) knlGS:0000000000000000 # [ 41.271196] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 41.277614] CR2: 00007f40a96eb000 CR3: 000000010564e001 CR4: 00000000003706e0 # [ 41.285583] Call Trace: # [ 41.288331] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 # [ 41.293692] direct_entry.cold+0x2c/0x38 # [ 41.304299] full_proxy_write+0x53/0x80 # [ 41.308594] vfs_write+0xe7/0x3a0 # [ 41.318500] ksys_write+0x68/0xf0 # [ 41.322201] do_syscall_64+0x30/0x40 # [ 41.326216] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 41.331857] RIP: 0033:0x7f40a97faf33 # [ 41.335847] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89[ 52.829193] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM 54 24 18 # [ 41.356831] RSP: 002b:00007ffd9b690538 EFLAGS: 0[ 52.836615] lkdtm: good_stack: ffff9aed8361fe20-ffff9aed8361fe40 0000246 ORIG_RAX: 0000000000000001 # [ 41.365288] RAX: ffffff[ 52.849540] lkdtm: bad_stack : ffff9aed8361fda8-ffff9aed8361fdc8 ffffffffda RBX: 0000000000000016 RCX: 00007f40a97faf33 # [ 41[ 52.862500] lkdtm: attempting good copy_from_user of local stack [ 52.875429] lkdtm: attempting bad copy_from_user of distant stack .373264] RDX: 0000000000000016 RSI: 00007f40a96eb000 RDI: 0000000000000001 # [ 41.381259] RBP: 00007f40a96eb000 R08: 00007f40a96ea010 R09: 0000000000000000 # [ 41.395440] R10: 00007f40a98f51c0 R11: 0000000000000246 R12: 0000000000000001 # [ 41.403410] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 41.411390] irq event stamp: 0 # [ 41.414825] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 41.428036] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 41.437198] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 41.446344] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 41.453346] ---[ end trace 639227b05bc389ac ]--- # [ 41.464710] 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 # [ 41.556001] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 41.563532] lkdtm: attempting good refcount_add() without overflow # [ 41.576653] lkdtm: attempting bad refcount_add() overflow # [ 41.588896] ------------[ cut here ]------------ # [ 41.600266] refcount_t: saturated; leaking memory. # [ 41.611860] WARNING: CPU: 1 PID: 2088 at lib/refcount.c:22 re[ 53.006640] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND fcount_warn_saturate+0x51/0x110 # [ 41.627476] Modules linked[ 53.019592] lkdtm: good_stack: ffff9aed836d7e20-ffff9aed836d7e40 in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industr[ 53.032532] lkdtm: bad_stack : ffff9aed836d7ff8-ffff9aed836d8018 ialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar c[ 53.045469] lkdtm: attempting good copy_to_user of local stack ros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x[ 53.058184] lkdtm: attempting bad copy_to_user of distant stack 86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 41.6601[ 53.071006] lkdtm: copy_to_user failed, but lacked Oops 13] CPU: 1 PID: 2088 Comm: cat Tainted: G D W 5.10.137-cip14 #1 # [ 41.674983] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 41.688009] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 41.700062] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d a4 3c 74 01 00 75 ee 48 c7 c7 78 c2 c5 82 c6 05 94 3c 74 01 01 e8 9a 7d 95 00 <0f> 0b c3 cc cc cc cc 80 3d 80 3c 74 01 00 75 cb 48 c7 c7 a0 c2 c5 # [ 41.727263] RSP: 0018:ffff9aed82a07e48 EFLAGS: 00010286 # [ 41.739312] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 # [ 41.753500] RDX: ffff91ed3acac660 RSI: ffff91ed3ac9bf70 RDI: ffff91ed3ac9bf70 # [ 41.767690] RBP: ffffffff82cc074b R08: 0000000000000000 R09: 0000000000000000 # [ 41.781877] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 41.796067] R13: ffff9aed82a07f10 R14: ffff9aed82a07f10 R15: ffff91ecc4f59000 # [ 41.810257] FS: 00007f7f05618580(0000) GS:ffff91ed3ac80000(0000) knlGS:0000000000000000 # [ 41.825514] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 41.838147] CR2: 00007f7f05431000 CR3: 0000000105664005 CR4: 00000000003706e0 # [ 41.852335] Call Trace: # [ 41.861284] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 # [ 41.872849] direct_entry.col[ 53.202602] lkdtm: Performing direct entry USERCOPY_KERNEL d+0x2c/0x38 # [ 41.883447] full_proxy_write+0x53/0x80 # [ [ 53.213507] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff828da0b0 41.893945] vfs_write+0xe7/0x3a0 # [ 41.903862] ksys_write+[ 53.228422] lkdtm: attempting bad copy_to_user from kernel text: ffffffff816e2bd0 0x68/0xf0 # [ 41.913773] do_syscall_64+0x30/0x40 # [ 41.9[ 53.243030] lkdtm: FAIL: survived bad copy_to_user() 23976] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 41.935833] RIP: 0033:0x7f7f05540f33 # [ 41.946036] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 41.973234] RSP: 002b:00007ffff86897f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 41.987903] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f7f05540f33 # [ 41.995876] RDX: 0000000000000016 RSI: 00007f7f05431000 RDI: 0000000000000001 # [ 42.010057] RBP: 00007f7f05431000 R08: 00007f7f05430010 R09: 0000000000000000 # [ 42.018032] R10: 00007f7f0563b1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 42.032211] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 42.040207] irq event stamp: 0 # [ 42.049802] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 42.056804] hardirqs last disabled at (0): [] copy_process+0x640/0x1c8[ 53.352743] lkdtm: Performing direct entry STACKLEAK_ERASING [ 53.360481] lkdtm: checking unused part of the thread stack (15928 bytes)... [ 53.368396] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) [ 53.376207] lkdtm: FAIL: the thread stack is NOT properly erased [ 53.382917] CPU: 2 PID: 2957 Comm: cat Tainted: G D W 5.10.137-cip14 #1 [ 53.391564] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 53.398384] Call Trace: [ 53.401114] dump_stack+0x77/0x9b [ 53.404834] lkdtm_STACKLEAK_ERASING+0x116/0x144 [ 53.409988] direct_entry.cold+0x2c/0x38 [ 53.414379] full_proxy_write+0x53/0x80 [ 53.418692] vfs_write+0xe7/0x3a0 [ 53.422404] ksys_write+0x68/0xf0 [ 53.426102] do_syscall_64+0x30/0x40 [ 53.430091] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 53.435731] RIP: 0033:0x7fcc8dd0af33 [ 53.439719] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 53.460689] RSP: 002b:00007ffcad1b4db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 53.469144] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fcc8dd0af33 [ 53.477111] RDX: 0000000000000012 RSI: 00007fcc8dbfb000 RDI: 0000000000000001 [ 53.485080] RBP: 00007fcc8dbfb000 R08: 00007fcc8dbfa010 R09: 0000000000000000 [ 53.493039] R10: 00007fcc8de051c0 R11: 0000000000000246 R12: 0000000000000001 [ 53.501007] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0 # [ 42.072147] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 42.081284] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 42.094493] ---[ end trace 639227b05bc389ad ]--- # [ 42.099650] lkdtm: Overflow detected: saturated # REFCOUNT_ADD_OVERFLOW: saw 'call trace:': ok ok 43 selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh # [ 42.200418] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 42.211734] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 42.224856] ------------[ cut here ]------------ # [ 42.236225] refcount_t: saturated; leaking memory. # [ 42.247817] WARNING: CPU: 1 PID: 2120 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 42.263434] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 42.296092] CPU: 1 PID: 2120 Comm: cat Tainted: G D W 5.10.137-cip14 #1 # [ 42.310937] Hardware name: Google Rammus/Rammus[ 53.623719] lkdtm: Performing direct entry CFI_FORWARD_PROTO , BIOS 09/04/2020 # [ 42.323955] RIP: 0010:refcount_warn_sat[ 53.633562] lkdtm: Calling matched prototype ... urate+0x97/0x110 # [ 42.329793] Code: 01 01 e8 77 7d 95 00 0f[ 53.644936] lkdtm: Calling mismatched prototype ... 0b c3 cc cc cc cc 80 3d 5f 3c 74 01 00 75 a8 48 c7 c7 78 c2 c5 [ 53.656599] lkdtm: Fail: survived mismatched prototype function call! 82 c6 05 4f 3c 74 01 01 e8 54 7d 95 00 <0f> 0b c3 cc cc cc cc 80 3d 39 3c 74 01 00 75 85 48 c7 c7 d0 c2 c5 # [ 42.356982] RSP: 0018:ffff9aed82aa7e38 EFLAGS: 00010282 # [ 42.362819] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 42.376998] RDX: ffff91ed3acac660 RSI: ffff91ed3ac9bf70 RDI: ffff91ed3ac9bf70 # [ 42.384972] RBP: ffffffff82cc0388 R08: 0000000000000000 R09: 0000000000000000 # [ 42.399151] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 42.407123] R13: ffff9aed82aa7f10 R14: ffff9aed82aa7f10 R15: ffff91ecc3704000 # [ 42.415096] FS: 00007f3abebce580(0000) GS:ffff91ed3ac80000(0000) knlGS:0000000000000000 # [ 42.430345] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 42.436763] CR2: 00007f3abe9e7000 CR3: 00000001035c6003 CR4: 00000000003706e0 # [ 42.450943] Call Trace: # [ 42.453674] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 42.466016] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 42.478455] direct_entry.cold+0x2c/0x38 # [ 42.482838] full_proxy_write+0x53/0x80 # [ 42.493347] vfs_write+0xe7/0x3a0 # [ 42.503260] ksys_write+0x68/0xf0 # [ 42.513178] do_syscall_64+0x30/0x40 # [ 42.523393] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 42.535249] RIP: 0033:0x7f3abeaf6f33 # [ 42.545452] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 42.566438] RSP: 002b:00007ffe372ed6d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 42.581103] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f3abeaf6f33 # [ 42.589075] RDX: 000000000000001f RSI: 00007f3abe9e7000 RDI: 0000000000000001 # [ 42.603253] RBP: 00007f3abe9e7000 R08: 00007f3abe9e6010 R09: 0000000000000000 # [ 42.611227] R10: 00007f3abebf11c0 R11: 0000000000000246 R12: 0000000000000001 # [ 42.625407] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 42.633412] irq event stamp: 0 # [ 42.643005] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 42.650008] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 42.665352] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 42.674491] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 42.687699] ---[ end trace 639227b05bc389ae ]--- # [ 42.692855] 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 # [ 42.792222] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 42.804942] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 42.811882] ------------[ cut here ]------------ # [ 42.817071] refcount_t: saturated; leaking memory. # [ 42.822483] WARNING: CPU: 2 PID: 2152 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 42.831919] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 42.864549] CPU: 2 PID: 2152 Comm: cat Tainted: G D W 5.10.137-cip14 #1 # [ 42.873231] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 42.886244] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 42.892083] Code: 01 01 e8 77 7d 95 00 0f 0b c3 cc cc cc cc 80 3d 5f 3c 74 01 00 75 a8 48 c7 c7 78 c2 c5 82 c6 05 4f 3c 74 01 01 e8 54 7d 95 00 <0f> 0b c3 cc cc cc cc 80 3d 39 3c 74 01 00 75 85 48 c7 c7 d0 c2 c5 # [ 42.913096] RSP: 0018:ffff9aed82b0fe38 EFLAGS: 00010282 # [ 42.918936] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 42.926938] RDX: ffff91ed3ad2c660 RSI: ffff91ed3ad1bf70 RDI: ffff91ed3ad1bf70 # [ 42.934912] RBP: ffffffff82cc03a8 R08: 0000000000000000 R09: 0000000000000000 # [ 42.942915] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 42.950888] R13: ffff9aed82b0ff10 R14: ffff9aed82b0ff10 R15: ffff91ecc36b3000 # [ 42.958861] FS: 00007ff615abe580(0000) GS:ffff91ed3ad00000(0000) knlGS:0000000000000000 # [ 42.967903] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 42.974343] CR2: 00007ff6158d7000 CR3: 00000001035c6006 CR4: 00000000003706e0 # [ 42.982334] Call Trace: # [ 42.985078] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 42.997415] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 43.003666] direct_entry.cold+0x2c/0x38 # [ 43.014257] full_proxy_write+0x53/0x80 # [ 43.018573] vfs_write+0xe7/0x3a0 # [ 43.022309] ksys_write+0x68/0xf0 # [ 43.026037] do_syscall_64+0x30/0x40 # [ 43.036237] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 43.041911] RIP: 0033:0x7ff6159e6f33 # [ 43.045926] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 43.066910] RSP: 002b:00007fffd3cefcb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 43.075398] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007ff6159e6f33 # [ 43.083388] RDX: 000000000000001f RSI: 00007ff6158d7000 RDI: 0000000000000001 # [ 43.091400] RBP: 00007ff6158d7000 R08: 00007ff6158d6010 R09: 0000000000000000 # [ 43.099386] R10: 00007ff615ae11c0 R11: 0000000000000246 R12: 0000000000000001 # [ 43.107399] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 43.115391] irq event stamp: 0 # [ 43.118830] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 43.125834] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 43.135005] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 43.144173] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 43.151173] ---[ end trace 639227b05bc389af ]--- # [ 43.156348] lkdtm: Overflow detected: saturated # REFCOUNT_ADD_NOT_ZERO_OVERFLOW: saw 'call trace:': ok ok 45 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_DEC_ZERO.sh # [ 43.250437] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 43.260998] lkdtm: attempting good refcount_dec() # [ 43.272469] lkdtm: attempting bad refcount_dec() to zero # [ 43.284611] ------------[ cut here ]------------ # [ 43.289770] refcount_t: decrement hit 0; leaking memory. # [ 43.301942] WARNING: CPU: 1 PID: 2184 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 43.317555] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 43.350191] CPU: 1 PID: 2184 Comm: cat Tainted: G D W 5.10.137-cip14 #1 # [ 43.365058] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 43.378080] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 43.390128] Code: 28 c3 c5 82 c6 05 00 3c 74 01 01 e8 0a 7d 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 f8 c2 c5 82 c6 05 e7 3b 74 01 01 e8 f0 7c 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 43.417353] RSP: 0018:ffff9aed82bbfe48 EFLAGS: 00010286 # [ 43.429398] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 # [ 43.443582] RDX: ffff91ed3acac660 RSI: ffff91ed3ac9bf70 RDI: ffff91ed3ac9bf70 # [ 43.451556] RBP: ffffffff82cc0761 R08: 0000000000000000 R09: 0000000000000000 # [ 43.465737] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 43.473709] R13: ffff9aed82bbff10 R14: ffff9aed82bbff10 R15: ffff91ecc54d5000 # [ 43.487891] FS: 00007f39151d2580(0000) GS:ffff91ed3ac80000(0000) knlGS:0000000000000000 # [ 43.496933] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 43.509559] CR2: 00007f3914feb000 CR3: 0000000104218006 CR4: 00000000003706e0 # [ 43.517534] Call Trace: # [ 43.526474] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd # [ 43.537650] direct_entry.cold+0x2c/0x38 # [ 43.548245] full_proxy_write+0x53/0x80 # [ 43.558742] vfs_write+0xe7/0x3a0 # [ 43.568655] ksys_write+0x68/0xf0 # [ 43.578569] do_syscall_64+0x30/0x40 # [ 43.588773] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 43.600629] RIP: 0033:0x7f39150faf33 # [ 43.610836] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 43.631819] RSP: 002b:00007ffdb9dcc7b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 43.646487] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f39150faf33 # [ 43.660674] RDX: 0000000000000012 RSI: 00007f3914feb000 RDI: 0000000000000001 # [ 43.674864] RBP: 00007f3914feb000 R08: 00007f3914fea010 R09: 0000000000000000 # [ 43.689050] R10: 00007f39151f51c0 R11: 0000000000000246 R12: 0000000000000001 # [ 43.703238] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 43.717431] irq event stamp: 0 # [ 43.727051] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 43.740271] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 43.755622] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 43.770977] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 43.784195] ---[ end trace 639227b05bc389b0 ]--- # [ 43.795568] 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 # [ 43.895472] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 43.906403] lkdtm: attempting bad refcount_dec() below zero # [ 43.912619] ------------[ cut here ]------------ # [ 43.917780] refcount_t: decrement hit 0; leaking memory. # [ 43.923752] WARNING: CPU: 2 PID: 2219 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 43.939387] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 43.965848] CPU: 2 PID: 2219 Comm: cat Tainted: G D W 5.10.137-cip14 #1 # [ 43.980703] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 43.987510] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 43.993347] Code: 28 c3 c5 82 c6 05 00 3c 74 01 01 e8 0a 7d 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 f8 c2 c5 82 c6 05 e7 3b 74 01 01 e8 f0 7c 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 44.020544] RSP: 0018:ffff9aed82c2fe48 EFLAGS: 00010286 # [ 44.026387] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 # [ 44.034373] RDX: ffff91ed3ad2c660 RSI: ffff91ed3ad1bf70 RDI: ffff91ed3ad1bf70 # [ 44.042387] RBP: ffffffff82cc0773 R08: 0000000000000000 R09: 0000000000000000 # [ 44.050360] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 44.058352] R13: ffff9aed82c2ff10 R14: ffff9aed82c2ff10 R15: ffff91ecc5c8a000 # [ 44.066347] FS: 00007f4fe147c580(0000) GS:ffff91ed3ad00000(0000) knlGS:0000000000000000 # [ 44.081601] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 44.088017] CR2: 00007f4fe1295000 CR3: 000000010383c001 CR4: 00000000003706e0 # [ 44.095987] Call Trace: # [ 44.098719] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 # [ 44.104098] direct_entry.cold+0x2c/0x38 # [ 44.114685] full_proxy_write+0x53/0x80 # [ 44.118992] vfs_write+0xe7/0x3a0 # [ 44.122714] ksys_write+0x68/0xf0 # [ 44.126414] do_syscall_64+0x30/0x40 # [ 44.130428] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 44.136070] RIP: 0033:0x7f4fe13a4f33 # [ 44.140061] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 44.161044] RSP: 002b:00007fff4c283f58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 44.169500] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f4fe13a4f33 # [ 44.177471] RDX: 0000000000000016 RSI: 00007f4fe1295000 RDI: 0000000000000001 # [ 44.185447] RBP: 00007f4fe1295000 R08: 00007f4fe1294010 R09: 0000000000000000 # [ 44.193448] R10: 00007f4fe149f1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 44.201419] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 44.209394] irq event stamp: 0 # [ 44.212828] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 44.226073] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 44.235223] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 44.250565] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 44.257566] ---[ end trace 639227b05bc389b1 ]--- # [ 44.262720] 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 # [ 44.358539] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 44.368626] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 44.375725] ------------[ cut here ]------------ # [ 44.380882] refcount_t: underflow; use-after-free. # [ 44.386260] WARNING: CPU: 2 PID: 2254 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 44.395697] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 44.428349] CPU: 2 PID: 2254 Comm: cat Tainted: G D W 5.10.137-cip14 #1 # [ 44.443212] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 44.450024] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 44.455886] Code: 01 01 e8 54 7d 95 00 0f 0b c3 cc cc cc cc 80 3d 39 3c 74 01 00 75 85 48 c7 c7 d0 c2 c5 82 c6 05 29 3c 74 01 01 e8 31 7d 95 00 <0f> 0b c3 cc cc cc cc 80 3d 14 3c 74 01 00 0f 85 5e ff ff ff 48 c7 # [ 44.483078] RSP: 0018:ffff9aed82cd7e40 EFLAGS: 00010286 # [ 44.488937] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 # [ 44.496921] RDX: ffff91ed3ad2c660 RSI: ffff91ed3ad1bf70 RDI: ffff91ed3ad1bf70 # [ 44.511097] RBP: ffffffff82cc03c8 R08: 0000000000000000 R09: 0000000000000000 # [ 44.519068] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 44.527037] R13: ffff9aed82cd7f10 R14: ffff9aed82cd7f10 R15: ffff91ecc32d9000 # [ 44.535008] FS: 00007faeeeab8580(0000) GS:ffff91ed3ad00000(0000) knlGS:0000000000000000 # [ 44.544045] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 44.550464] CR2: 00007faeee8d1000 CR3: 0000000104290001 CR4: 00000000003706e0 # [ 44.558434] Call Trace: # [ 44.561163] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 44.567335] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 # [ 44.573571] direct_entry.cold+0x2c/0x38 # [ 44.584158] full_proxy_write+0x53/0x80 # [ 44.588467] vfs_write+0xe7/0x3a0 # [ 44.592190] ksys_write+0x68/0xf0 # [ 44.595890] do_syscall_64+0x30/0x40 # [ 44.599881] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 44.605523] RIP: 0033:0x7faeee9e0f33 # [ 44.609513] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 44.630493] RSP: 002b:00007ffe8bc7fdb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 44.638951] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007faeee9e0f33 # [ 44.646922] RDX: 000000000000001f RSI: 00007faeee8d1000 RDI: 0000000000000001 # [ 44.654893] RBP: 00007faeee8d1000 R08: 00007faeee8d0010 R09: 0000000000000000 # [ 44.662861] R10: 00007faeeeadb1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 44.670831] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 44.678807] irq event stamp: 0 # [ 44.682244] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 44.689245] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 44.698396] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 44.707531] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 44.714533] ---[ end trace 639227b05bc389b2 ]--- # [ 44.719690] 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 # [ 44.817302] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 44.825604] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 44.832707] ------------[ cut here ]------------ # [ 44.837894] refcount_t: underflow; use-after-free. # [ 44.843272] WARNING: CPU: 2 PID: 2289 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 44.852706] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 44.885345] CPU: 2 PID: 2289 Comm: cat Tainted: G D W 5.10.137-cip14 #1 # [ 44.900207] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 44.907015] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 44.912850] Code: 01 01 e8 54 7d 95 00 0f 0b c3 cc cc cc cc 80 3d 39 3c 74 01 00 75 85 48 c7 c7 d0 c2 c5 82 c6 05 29 3c 74 01 01 e8 31 7d 95 00 <0f> 0b c3 cc cc cc cc 80 3d 14 3c 74 01 00 0f 85 5e ff ff ff 48 c7 # [ 44.933832] RSP: 0018:ffff9aed82d3fe40 EFLAGS: 00010286 # [ 44.939668] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 # [ 44.947638] RDX: ffff91ed3ad2c660 RSI: ffff91ed3ad1bf70 RDI: ffff91ed3ad1bf70 # [ 44.955609] RBP: ffffffff82cc03e8 R08: 0000000000000000 R09: 0000000000000000 # [ 44.963581] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 44.971551] R13: ffff9aed82d3ff10 R14: ffff9aed82d3ff10 R15: ffff91ecc3621000 # [ 44.979526] FS: 00007fd416e88580(0000) GS:ffff91ed3ad00000(0000) knlGS:0000000000000000 # [ 44.988597] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 44.995014] CR2: 00007fd416ca1000 CR3: 000000010565c001 CR4: 00000000003706e0 # [ 45.002985] Call Trace: # [ 45.005716] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 45.011867] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b # [ 45.018115] direct_entry.cold+0x2c/0x38 # [ 45.022500] full_proxy_write+0x53/0x80 # [ 45.032987] vfs_write+0xe7/0x3a0 # [ 45.036719] ksys_write+0x68/0xf0 # [ 45.040419] do_syscall_64+0x30/0x40 # [ 45.044435] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 45.050076] RIP: 0033:0x7fd416db0f33 # [ 45.054066] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 45.075048] RSP: 002b:00007ffd49babc18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 45.083505] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fd416db0f33 # [ 45.091475] RDX: 000000000000001f RSI: 00007fd416ca1000 RDI: 0000000000000001 # [ 45.099446] RBP: 00007fd416ca1000 R08: 00007fd416ca0010 R09: 0000000000000000 # [ 45.107416] R10: 00007fd416eab1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 45.115393] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 45.123370] irq event stamp: 0 # [ 45.126803] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 45.133804] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 45.142942] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 45.152078] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 45.159078] ---[ end trace 639227b05bc389b3 ]--- # [ 45.164232] 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 # [ 45.640291] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 45.651438] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 45.658569] lkdtm: Good: zero detected # [ 45.662755] lkdtm: Correctly stayed at zero # [ 45.667447] lkdtm: attempting bad refcount_inc() from zero # [ 45.673573] ------------[ cut here ]------------ # [ 45.678727] refcount_t: addition on 0; use-after-free. # [ 45.684494] WARNING: CPU: 3 PID: 2321 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 45.693927] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 45.726558] CPU: 3 PID: 2321 Comm: cat Tainted: G D W 5.10.137-cip14 #1 # [ 45.735209] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 45.742017] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 45.747853] Code: 01 01 e8 9a 7d 95 00 0f 0b c3 cc cc cc cc 80 3d 80 3c 74 01 00 75 cb 48 c7 c7 a0 c2 c5 82 c6 05 70 3c 74 01 01 e8 77 7d 95 00 <0f> 0b c3 cc cc cc cc 80 3d 5f 3c 74 01 00 75 a8 48 c7 c7 78 c2 c5 # [ 45.768836] RSP: 0018:ffff9aed82dcfe48 EFLAGS: 00010286 # [ 45.774694] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 # [ 45.782665] RDX: ffff91ed3adac660 RSI: ffff91ed3ad9bf70 RDI: ffff91ed3ad9bf70 # [ 45.790637] RBP: ffffffff82cc0789 R08: 0000000000000000 R09: 0000000000000000 # [ 45.798608] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 45.806579] R13: ffff9aed82dcff10 R14: ffff9aed82dcff10 R15: ffff91ecc5c79000 # [ 45.814552] FS: 00007fb12e296580(0000) GS:ffff91ed3ad80000(0000) knlGS:0000000000000000 # [ 45.823590] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 45.830007] CR2: 00007fb12e0af000 CR3: 0000000105c8c001 CR4: 00000000003706e0 # [ 45.837978] Call Trace: # [ 45.840711] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 # [ 45.845701] direct_entry.cold+0x2c/0x38 # [ 45.856309] full_proxy_write+0x53/0x80 # [ 45.860604] vfs_write+0xe7/0x3a0 # [ 45.870512] ksys_write+0x68/0xf0 # [ 45.874239] do_syscall_64+0x30/0x40 # [ 45.878230] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 45.883896] RIP: 0033:0x7fb12e1bef33 # [ 45.887887] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 45.908869] RSP: 002b:00007ffdc9d41428 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 45.917356] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fb12e1bef33 # [ 45.931539] RDX: 0000000000000012 RSI: 00007fb12e0af000 RDI: 0000000000000001 # [ 45.939543] RBP: 00007fb12e0af000 R08: 00007fb12e0ae010 R09: 0000000000000000 # [ 45.947513] R10: 00007fb12e2b91c0 R11: 0000000000000246 R12: 0000000000000001 # [ 45.955510] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 45.963502] irq event stamp: 0 # [ 45.973109] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 45.980111] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 45.989250] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 45.998396] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 46.005409] ---[ end trace 639227b05bc389b4 ]--- # [ 46.010565] lkdtm: Zero detected: saturated # REFCOUNT_INC_ZERO: saw 'call trace:': ok ok 50 selftests: lkdtm: REFCOUNT_INC_ZERO.sh # selftests: lkdtm: REFCOUNT_ADD_ZERO.sh # [ 46.120254] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 46.127253] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 46.140566] lkdtm: Good: zero detected # [ 46.150963] lkdtm: Correctly stayed at zero # [ 46.161847] lkdtm: attempting bad refcount_add() from zero # [ 46.174189] ------------[ cut here ]------------ # [ 46.185560] refcount_t: addition on 0; use-after-free. # [ 46.197544] WARNING: CPU: 1 PID: 2353 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 46.213155] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 46.245816] CPU: 1 PID: 2353 Comm: cat Tainted: G D W 5.10.137-cip14 #1 # [ 46.260662] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 46.273681] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 46.285730] Code: 01 01 e8 9a 7d 95 00 0f 0b c3 cc cc cc cc 80 3d 80 3c 74 01 00 75 cb 48 c7 c7 a0 c2 c5 82 c6 05 70 3c 74 01 01 e8 77 7d 95 00 <0f> 0b c3 cc cc cc cc 80 3d 5f 3c 74 01 00 75 a8 48 c7 c7 78 c2 c5 # [ 46.312927] RSP: 0018:ffff9aed82e5fe48 EFLAGS: 00010286 # [ 46.324976] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 # [ 46.339162] RDX: ffff91ed3acac660 RSI: ffff91ed3ac9bf70 RDI: ffff91ed3ac9bf70 # [ 46.353351] RBP: ffffffff82cc079b R08: 0000000000000000 R09: 0000000000000000 # [ 46.367538] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 46.381722] R13: ffff9aed82e5ff10 R14: ffff9aed82e5ff10 R15: ffff91ecc37eb000 # [ 46.395908] FS: 00007f06b87c6580(0000) GS:ffff91ed3ac80000(0000) knlGS:0000000000000000 # [ 46.411163] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 46.423799] CR2: 00007f06b85df000 CR3: 0000000100fe4004 CR4: 00000000003706e0 # [ 46.437985] Call Trace: # [ 46.446931] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 # [ 46.458107] direct_entry.cold+0x2c/0x38 # [ 46.468705] full_proxy_write+0x53/0x80 # [ 46.479202] vfs_write+0xe7/0x3a0 # [ 46.489116] ksys_write+0x68/0xf0 # [ 46.499031] do_syscall_64+0x30/0x40 # [ 46.509236] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 46.521092] RIP: 0033:0x7f06b86eef33 # [ 46.531300] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 46.558499] RSP: 002b:00007fffd990f5f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 46.573173] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f06b86eef33 # [ 46.587359] RDX: 0000000000000012 RSI: 00007f06b85df000 RDI: 0000000000000001 # [ 46.601546] RBP: 00007f06b85df000 R08: 00007f06b85de010 R09: 0000000000000000 # [ 46.615735] R10: 00007f06b87e91c0 R11: 0000000000000246 R12: 0000000000000001 # [ 46.629922] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 46.644116] irq event stamp: 0 # [ 46.653733] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 46.666952] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 46.682302] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 46.697653] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 46.710869] ---[ end trace 639227b05bc389b5 ]--- # [ 46.722238] 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 # [ 46.836191] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 46.845612] lkdtm: attempting bad refcount_inc() from saturated # [ 46.858468] ------------[ cut here ]------------ # [ 46.869837] refcount_t: saturated; leaking memory. # [ 46.881449] WARNING: CPU: 0 PID: 2388 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 46.897078] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 46.929735] CPU: 0 PID: 2388 Comm: cat Tainted: G D W 5.10.137-cip14 #1 # [ 46.944620] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 46.957640] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 46.969700] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d a4 3c 74 01 00 75 ee 48 c7 c7 78 c2 c5 82 c6 05 94 3c 74 01 01 e8 9a 7d 95 00 <0f> 0b c3 cc cc cc cc 80 3d 80 3c 74 01 00 75 cb 48 c7 c7 a0 c2 c5 # [ 46.996920] RSP: 0018:ffff9aed82edfe48 EFLAGS: 00010286 # [ 47.008990] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 # [ 47.023143] RDX: ffff91ed3ac2c660 RSI: ffff91ed3ac1bf70 RDI: ffff91ed3ac1bf70 # [ 47.037359] RBP: ffffffff82cc07ad R08: 0000000000000000 R09: 0000000000000000 # [ 47.051529] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 47.065758] R13: ffff9aed82edff10 R14: ffff9aed82edff10 R15: ffff91ecc33b9000 # [ 47.079964] FS: 00007f84dcf1d580(0000) GS:ffff91ed3ac00000(0000) knlGS:0000000000000000 # [ 47.095226] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 47.107847] CR2: 00007f84dcd36000 CR3: 0000000103390001 CR4: 00000000003706f0 # [ 47.122072] Call Trace: # [ 47.131040] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 # [ 47.142699] direct_entry.cold+0x2c/0x38 # [ 47.153342] full_proxy_write+0x53/0x80 # [ 47.163797] vfs_write+0xe7/0x3a0 # [ 47.173776] ksys_write+0x68/0xf0 # [ 47.183638] do_syscall_64+0x30/0x40 # [ 47.193878] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 47.205731] RIP: 0033:0x7f84dce45f33 # [ 47.215931] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 47.243110] RSP: 002b:00007fff4ebe4098 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 47.257792] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f84dce45f33 # [ 47.272004] RDX: 0000000000000017 RSI: 00007f84dcd36000 RDI: 0000000000000001 # [ 47.286199] RBP: 00007f84dcd36000 R08: 00007f84dcd35010 R09: 0000000000000000 # [ 47.300403] R10: 00007f84dcf401c0 R11: 0000000000000246 R12: 0000000000000001 # [ 47.314572] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 47.328758] irq event stamp: 0 # [ 47.338388] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 47.351593] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 47.366967] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 47.382290] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 47.395514] ---[ end trace 639227b05bc389b6 ]--- # [ 47.406904] 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 # [ 47.518973] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 47.531394] lkdtm: attempting bad refcount_dec() from saturated # [ 47.538040] ------------[ cut here ]------------ # [ 47.543226] refcount_t: decrement hit 0; leaking memory. # [ 47.549170] WARNING: CPU: 3 PID: 2423 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 47.558623] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 47.591253] CPU: 3 PID: 2423 Comm: cat Tainted: G D W 5.10.137-cip14 #1 # [ 47.599928] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 47.606736] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 47.612575] Code: 28 c3 c5 82 c6 05 00 3c 74 01 01 e8 0a 7d 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 f8 c2 c5 82 c6 05 e7 3b 74 01 01 e8 f0 7c 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 47.633586] RSP: 0018:ffff9aed82f77e48 EFLAGS: 00010286 # [ 47.639423] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 # [ 47.647394] RDX: ffff91ed3adac660 RSI: ffff91ed3ad9bf70 RDI: ffff91ed3ad9bf70 # [ 47.655378] RBP: ffffffff82cc07c4 R08: 0000000000000000 R09: 0000000000000000 # [ 47.663386] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 47.671357] R13: ffff9aed82f77f10 R14: ffff9aed82f77f10 R15: ffff91ecc4dcd000 # [ 47.679350] FS: 00007fbfe6c78580(0000) GS:ffff91ed3ad80000(0000) knlGS:0000000000000000 # [ 47.688390] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 47.694807] CR2: 00007fbfe6a91000 CR3: 0000000100fe4003 CR4: 00000000003706e0 # [ 47.702778] Call Trace: # [ 47.705509] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f # [ 47.710978] direct_entry.cold+0x2c/0x38 # [ 47.715390] full_proxy_write+0x53/0x80 # [ 47.719698] vfs_write+0xe7/0x3a0 # [ 47.723430] ksys_write+0x68/0xf0 # [ 47.727130] do_syscall_64+0x30/0x40 # [ 47.731146] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 47.736786] RIP: 0033:0x7fbfe6ba0f33 # [ 47.740777] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 47.761759] RSP: 002b:00007ffd2cafb418 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 47.770216] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fbfe6ba0f33 # [ 47.778186] RDX: 0000000000000017 RSI: 00007fbfe6a91000 RDI: 0000000000000001 # [ 47.786157] RBP: 00007fbfe6a91000 R08: 00007fbfe6a90010 R09: 0000000000000000 # [ 47.794127] R10: 00007fbfe6c9b1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 47.802096] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 47.810071] irq event stamp: 0 # [ 47.813505] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 47.826715] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 47.835852] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 47.844989] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 47.851990] ---[ end trace 639227b05bc389b7 ]--- # [ 47.857144] 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 # [ 47.965545] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 47.975525] lkdtm: attempting bad refcount_dec() from saturated # [ 47.988379] ------------[ cut here ]------------ # [ 47.999742] refcount_t: saturated; leaking memory. # [ 48.011371] WARNING: CPU: 0 PID: 2458 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 48.026958] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 48.059666] CPU: 0 PID: 2458 Comm: cat Tainted: G D W 5.10.137-cip14 #1 # [ 48.074476] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 48.087564] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 48.099586] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d a4 3c 74 01 00 75 ee 48 c7 c7 78 c2 c5 82 c6 05 94 3c 74 01 01 e8 9a 7d 95 00 <0f> 0b c3 cc cc cc cc 80 3d 80 3c 74 01 00 75 cb 48 c7 c7 a0 c2 c5 # [ 48.126800] RSP: 0018:ffff9aed82ff7e48 EFLAGS: 00010286 # [ 48.138816] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 # [ 48.153028] RDX: ffff91ed3ac2c660 RSI: ffff91ed3ac1bf70 RDI: ffff91ed3ac1bf70 # [ 48.167186] RBP: ffffffff82cc07db R08: 0000000000000000 R09: 0000000000000000 # [ 48.181423] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 48.195590] R13: ffff9aed82ff7f10 R14: ffff9aed82ff7f10 R15: ffff91ecc3383000 # [ 48.209763] FS: 00007f9e0920a580(0000) GS:ffff91ed3ac00000(0000) knlGS:0000000000000000 # [ 48.225013] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 48.237672] CR2: 00007f9e09023000 CR3: 00000001054da001 CR4: 00000000003706f0 # [ 48.251872] Call Trace: # [ 48.260825] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 # [ 48.272481] direct_entry.cold+0x2c/0x38 # [ 48.283080] full_proxy_write+0x53/0x80 # [ 48.293549] vfs_write+0xe7/0x3a0 # [ 48.303458] ksys_write+0x68/0xf0 # [ 48.313366] do_syscall_64+0x30/0x40 # [ 48.323573] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 48.335452] RIP: 0033:0x7f9e09132f33 # [ 48.345647] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 48.372867] RSP: 002b:00007ffdcebcedb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 48.387529] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f9e09132f33 # [ 48.401720] RDX: 0000000000000017 RSI: 00007f9e09023000 RDI: 0000000000000001 # [ 48.415927] RBP: 00007f9e09023000 R08: 00007f9e09022010 R09: 0000000000000000 # [ 48.430114] R10: 00007f9e0922d1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 48.444309] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 48.458517] irq event stamp: 0 # [ 48.468140] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 48.481357] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 48.496733] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 48.512073] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 48.525289] ---[ end trace 639227b05bc389b8 ]--- # [ 48.536698] 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 # [ 48.980088] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 48.992613] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 49.000132] ------------[ cut here ]------------ # [ 49.005315] refcount_t: saturated; leaking memory. # [ 49.016899] WARNING: CPU: 2 PID: 2490 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 49.026335] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 49.058965] CPU: 2 PID: 2490 Comm: cat Tainted: G D W 5.10.137-cip14 #1 # [ 49.067617] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 49.074424] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 49.080259] Code: 01 01 e8 77 7d 95 00 0f 0b c3 cc cc cc cc 80 3d 5f 3c 74 01 00 75 a8 48 c7 c7 78 c2 c5 82 c6 05 4f 3c 74 01 01 e8 54 7d 95 00 <0f> 0b c3 cc cc cc cc 80 3d 39 3c 74 01 00 75 85 48 c7 c7 d0 c2 c5 # [ 49.101242] RSP: 0018:ffff9aed8308fe38 EFLAGS: 00010282 # [ 49.107078] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 49.115050] RDX: ffff91ed3ad2c660 RSI: ffff91ed3ad1bf70 RDI: ffff91ed3ad1bf70 # [ 49.123022] RBP: ffffffff82cc0408 R08: 0000000000000000 R09: 0000000000000000 # [ 49.130992] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 49.138964] R13: ffff9aed8308ff10 R14: ffff9aed8308ff10 R15: ffff91ecc2664000 # [ 49.146935] FS: 00007f05b6e4b580(0000) GS:ffff91ed3ad00000(0000) knlGS:0000000000000000 # [ 49.155973] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 49.162398] CR2: 00007f05b6c64000 CR3: 000000010420c004 CR4: 00000000003706e0 # [ 49.170360] Call Trace: # [ 49.173137] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 49.179296] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 # [ 49.185643] direct_entry.cold+0x2c/0x38 # [ 49.190056] full_proxy_write+0x53/0x80 # [ 49.194389] vfs_write+0xe7/0x3a0 # [ 49.198114] ksys_write+0x68/0xf0 # [ 49.201815] do_syscall_64+0x30/0x40 # [ 49.205829] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 49.211472] RIP: 0033:0x7f05b6d73f33 # [ 49.215463] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 49.236447] RSP: 002b:00007ffe214c1068 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 49.244904] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f05b6d73f33 # [ 49.252875] RDX: 0000000000000020 RSI: 00007f05b6c64000 RDI: 0000000000000001 # [ 49.260850] RBP: 00007f05b6c64000 R08: 00007f05b6c63010 R09: 0000000000000000 # [ 49.268852] R10: 00007f05b6e6e1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 49.276826] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 49.284804] irq event stamp: 0 # [ 49.288241] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 49.301446] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 49.310586] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 49.319746] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 49.326768] ---[ end trace 639227b05bc389b9 ]--- # [ 49.331925] lkdtm: Saturation detected: still saturated # REFCOUNT_INC_NOT_ZERO_SATURATED: saw 'call trace:': ok ok 55 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh # [ 49.448143] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 49.457361] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 49.464873] ------------[ cut here ]------------ # [ 49.470032] refcount_t: saturated; leaking memory. # [ 49.475441] WARNING: CPU: 3 PID: 2522 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 49.484875] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 49.517506] CPU: 3 PID: 2522 Comm: cat Tainted: G D W 5.10.137-cip14 #1 # [ 49.526180] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 49.532990] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 49.538855] Code: 01 01 e8 77 7d 95 00 0f 0b c3 cc cc cc cc 80 3d 5f 3c 74 01 00 75 a8 48 c7 c7 78 c2 c5 82 c6 05 4f 3c 74 01 01 e8 54 7d 95 00 <0f> 0b c3 cc cc cc cc 80 3d 39 3c 74 01 00 75 85 48 c7 c7 d0 c2 c5 # [ 49.559836] RSP: 0018:ffff9aed8311fe38 EFLAGS: 00010282 # [ 49.565671] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 49.573662] RDX: ffff91ed3adac660 RSI: ffff91ed3ad9bf70 RDI: ffff91ed3ad9bf70 # [ 49.581645] RBP: ffffffff82cc0428 R08: 0000000000000000 R09: 0000000000000000 # [ 49.595824] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 49.603794] R13: ffff9aed8311ff10 R14: ffff9aed8311ff10 R15: ffff91ecc38fe000 # [ 49.611766] FS: 00007f5569319580(0000) GS:ffff91ed3ad80000(0000) knlGS:0000000000000000 # [ 49.620804] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 49.627222] CR2: 00007f5569132000 CR3: 0000000100fe6003 CR4: 00000000003706e0 # [ 49.635192] Call Trace: # [ 49.637924] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 49.644080] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 # [ 49.650425] direct_entry.cold+0x2c/0x38 # [ 49.654805] full_proxy_write+0x53/0x80 # [ 49.659112] vfs_write+0xe7/0x3a0 # [ 49.662837] ksys_write+0x68/0xf0 # [ 49.666537] do_syscall_64+0x30/0x40 # [ 49.670528] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 49.676169] RIP: 0033:0x7f5569241f33 # [ 49.680158] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 49.701142] RSP: 002b:00007ffc1ac240c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 49.709601] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f5569241f33 # [ 49.717571] RDX: 0000000000000020 RSI: 00007f5569132000 RDI: 0000000000000001 # [ 49.725542] RBP: 00007f5569132000 R08: 00007f5569131010 R09: 0000000000000000 # [ 49.733513] R10: 00007f556933c1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 49.741483] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 49.749458] irq event stamp: 0 # [ 49.752895] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 49.759896] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 49.769033] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 49.778167] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 49.785167] ---[ end trace 639227b05bc389ba ]--- # [ 49.790325] lkdtm: Saturation detected: still saturated # REFCOUNT_ADD_NOT_ZERO_SATURATED: saw 'call trace:': ok ok 56 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh # [ 50.400743] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 50.413766] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 50.421268] ------------[ cut here ]------------ # [ 50.432626] refcount_t: underflow; use-after-free. # [ 50.438004] WARNING: CPU: 2 PID: 2557 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 50.447438] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 50.480069] CPU: 2 PID: 2557 Comm: cat Tainted: G D W 5.10.137-cip14 #1 # [ 50.488741] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 50.495549] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 50.501394] Code: 01 01 e8 54 7d 95 00 0f 0b c3 cc cc cc cc 80 3d 39 3c 74 01 00 75 85 48 c7 c7 d0 c2 c5 82 c6 05 29 3c 74 01 01 e8 31 7d 95 00 <0f> 0b c3 cc cc cc cc 80 3d 14 3c 74 01 00 0f 85 5e ff ff ff 48 c7 # [ 50.522387] RSP: 0018:ffff9aed831a7e40 EFLAGS: 00010286 # [ 50.528223] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 # [ 50.536194] RDX: ffff91ed3ad2c660 RSI: ffff91ed3ad1bf70 RDI: ffff91ed3ad1bf70 # [ 50.544167] RBP: ffffffff82cc0448 R08: 0000000000000000 R09: 0000000000000000 # [ 50.552136] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 50.560108] R13: ffff9aed831a7f10 R14: ffff9aed831a7f10 R15: ffff91ecc34b4000 # [ 50.568078] FS: 00007f6e65db3580(0000) GS:ffff91ed3ad00000(0000) knlGS:0000000000000000 # [ 50.577119] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 50.583536] CR2: 00007f6e65bcc000 CR3: 0000000103576001 CR4: 00000000003706e0 # [ 50.591507] Call Trace: # [ 50.594237] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 50.600394] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 # [ 50.606720] direct_entry.cold+0x2c/0x38 # [ 50.611132] full_proxy_write+0x53/0x80 # [ 50.615446] vfs_write+0xe7/0x3a0 # [ 50.619170] ksys_write+0x68/0xf0 # [ 50.622872] do_syscall_64+0x30/0x40 # [ 50.626866] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 50.632508] RIP: 0033:0x7f6e65cdbf33 # [ 50.636499] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 50.657483] RSP: 002b:00007ffe91a50168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 50.665939] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f6e65cdbf33 # [ 50.673909] RDX: 0000000000000020 RSI: 00007f6e65bcc000 RDI: 0000000000000001 # [ 50.681887] RBP: 00007f6e65bcc000 R08: 00007f6e65bcb010 R09: 0000000000000000 # [ 50.696071] R10: 00007f6e65dd61c0 R11: 0000000000000246 R12: 0000000000000001 # [ 50.704046] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 50.712023] irq event stamp: 0 # [ 50.715467] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 50.728672] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 50.737828] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 50.753171] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 50.760174] ---[ end trace 639227b05bc389bb ]--- # [ 50.765346] lkdtm: Saturation detected: still saturated # REFCOUNT_DEC_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok ok 57 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh # [ 50.893091] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 50.903205] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 50.916925] ------------[ cut here ]------------ # [ 50.928272] refcount_t: underflow; use-after-free. # [ 50.933654] WARNING: CPU: 1 PID: 2592 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 50.949261] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 50.981899] CPU: 1 PID: 2592 Comm: cat Tainted: G D W 5.10.137-cip14 #1 # [ 50.996764] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 51.009783] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 51.021833] Code: 01 01 e8 54 7d 95 00 0f 0b c3 cc cc cc cc 80 3d 39 3c 74 01 00 75 85 48 c7 c7 d0 c2 c5 82 c6 05 29 3c 74 01 01 e8 31 7d 95 00 <0f> 0b c3 cc cc cc cc 80 3d 14 3c 74 01 00 0f 85 5e ff ff ff 48 c7 # [ 51.049054] RSP: 0018:ffff9aed83227e40 EFLAGS: 00010286 # [ 51.061080] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 # [ 51.075264] RDX: ffff91ed3acac660 RSI: ffff91ed3ac9bf70 RDI: ffff91ed3ac9bf70 # [ 51.089448] RBP: ffffffff82cc0468 R08: 0000000000000000 R09: 0000000000000000 # [ 51.097422] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 51.111602] R13: ffff9aed83227f10 R14: ffff9aed83227f10 R15: ffff91ecc54cb000 # [ 51.119576] FS: 00007f3e9bbc9580(0000) GS:ffff91ed3ac80000(0000) knlGS:0000000000000000 # [ 51.134823] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 51.147453] CR2: 00007f3e9b9e2000 CR3: 00000001029ac005 CR4: 00000000003706e0 # [ 51.155426] Call Trace: # [ 51.164379] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 51.176748] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 # [ 51.189283] direct_entry.cold+0x2c/0x38 # [ 51.199875] full_proxy_write+0x53/0x80 # [ 51.210391] vfs_write+0xe7/0x3a0 # [ 51.220311] ksys_write+0x68/0xf0 # [ 51.230229] do_syscall_64+0x30/0x40 # [ 51.240436] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 51.252291] RIP: 0033:0x7f3e9baf1f33 # [ 51.262499] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 51.289698] RSP: 002b:00007fffdae651b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 51.304374] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f3e9baf1f33 # [ 51.318561] RDX: 0000000000000020 RSI: 00007f3e9b9e2000 RDI: 0000000000000001 # [ 51.332751] RBP: 00007f3e9b9e2000 R08: 00007f3e9b9e1010 R09: 0000000000000000 # [ 51.346939] R10: 00007f3e9bbec1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 51.361126] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 51.375320] irq event stamp: 0 # [ 51.384939] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 51.398158] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 51.413510] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 51.428862] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 51.442077] ---[ end trace 639227b05bc389bc ]--- # [ 51.453449] 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 # [ 52.109852] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 52.117096] lkdtm: attempting good copy_to_user of correct size # [ 52.123723] 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 # [ 52.243021] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 52.255474] lkdtm: attempting good copy_from_user of correct size # [ 52.262293] 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 # [ 52.397368] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 52.406965] lkdtm: attempting good copy_to_user inside whitelist # [ 52.419907] 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 # [ 52.536501] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 52.545841] lkdtm: attempting good copy_from_user inside whitelist # [ 52.552778] 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 # [ 52.665563] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 52.678520] lkdtm: good_stack: ffff9aed835afe20-ffff9aed835afe40 # [ 52.685264] lkdtm: bad_stack : ffff9aed835afda8-ffff9aed835afdc8 # [ 52.692027] lkdtm: attempting good copy_to_user of local stack # [ 52.698556] lkdtm: attempting bad copy_to_user of distant stack # USERCOPY_STACK_FRAME_TO: missing 'call trace:': [FAIL] not ok 65 selftests: lkdtm: USERCOPY_STACK_FRAME_TO.sh # exit=1 # selftests: lkdtm: USERCOPY_STACK_FRAME_FROM.sh # [ 52.829193] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 52.836615] lkdtm: good_stack: ffff9aed8361fe20-ffff9aed8361fe40 # [ 52.849540] lkdtm: bad_stack : ffff9aed8361fda8-ffff9aed8361fdc8 # [ 52.862500] lkdtm: attempting good copy_from_user of local stack # [ 52.875429] 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 # [ 53.006640] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 53.019592] lkdtm: good_stack: ffff9aed836d7e20-ffff9aed836d7e40 # [ 53.032532] lkdtm: bad_stack : ffff9aed836d7ff8-ffff9aed836d8018 # [ 53.045469] lkdtm: attempting good copy_to_user of local stack # [ 53.058184] lkdtm: attempting bad copy_to_user of distant stack # [ 53.071006] 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 # [ 53.202602] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 53.213507] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff828da0b0 # [ 53.228422] lkdtm: attempting bad copy_to_user from kernel text: ffffffff816e2bd0 # [ 53.243030] 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 # [ 53.352743] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 53.360481] lkdtm: checking unused part of the thread stack (15928 bytes)... # [ 53.368396] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) # [ 53.376207] lkdtm: FAIL: the thread stack is NOT properly erased # [ 53.382917] CPU: 2 PID: 2957 Comm: cat Tainted: G D W 5.10.137-cip14 #1 # [ 53.391564] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 53.398384] Call Trace: # [ 53.401114] dump_stack+0x77/0x9b # [ 53.404834] lkdtm_STACKLEAK_ERASING+0x116/0x144 # [ 53.409988] direct_entry.cold+0x2c/0x38 # [ 53.414379] full_proxy_write+0x53/0x80 # [ 53.418692] vfs_write+0xe7/0x3a0 # [ 53.422404] ksys_write+0x68/0xf0 # [ 53.426102] do_syscall_64+0x30/0x40 # [ 53.430091] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 53.435731] RIP: 0033:0x7fcc8dd0af33 # [ 53.439719] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 53.460689] RSP: 002b:00007ffcad1b4db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 53.469144] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fcc8dd0af33 # [ 53.477111] RDX: 0000000000000012 RSI: 00007fcc8dbfb000 RDI: 0000000000000001 # [ 53.485080] RBP: 00007fcc8dbfb000 R08: 00007fcc8dbfa010 R09: 0000000000000000 # [ 53.493039] R10: 00007fcc8de051c0 R11: 0000000000000246 R12: 0000000000000001 # [ 53.501007] 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 # [ 53.623719] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 53.633562] lkdtm: Calling matched prototype ... # [ 53.644936] lkdtm: Calling mismatched prototype ... # [ 53.656599] 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 / #