[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! .Timeout wait for TPM IRQ! . done! TPM ready after 0 ms Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_A:0.5.6/cr50_v1.9308_87_mp.510-d2da4373 Initialized TPM device CR50 revision 0 tlcl_send_startup: Startup return code is 0 TPM: setup succeeded src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x1007 return code 0 Chrome EC: UHEPI supported Phase 1 FMAP: Found "FLASH" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area GBB found @ c11000 (978944 bytes) VB2:vb2_check_recovery() Recovery reason from previous boot: 0x0 / 0x0 Phase 2 Phase 3 FMAP: area GBB found @ c11000 (978944 bytes) VB2:vb2_report_dev_firmware() This is developer signed firmware FMAP: area VBLOCK_B found @ 5e8000 (65536 bytes) FMAP: area VBLOCK_B found @ 5e8000 (65536 bytes) VB2:vb2_verify_keyblock() Checking key block signature... FMAP: area VBLOCK_B found @ 5e8000 (65536 bytes) FMAP: area VBLOCK_B found @ 5e8000 (65536 bytes) VB2:vb2_verify_fw_preamble() Verifying preamble. Phase 4 FMAP: area FW_MAIN_B found @ 5f8000 (4030400 bytes) VB2:vb2api_init_hash() HW crypto for hash_alg 2 not supported, using SW VB2:vb2_rsa_verify_digest() Digest check failed! VB2:vb2_fail() Need recovery, reason: 0x1b / 0x7 Saving nvdata Reboot requested (10020007) board_reset() called! full_reset() called! coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 bootblock starting... CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz CPU: ID 806e9, Kabylake H0, ucode: 00000097 CPU: AES supported, TXT NOT supported, VT supported MCH: device id 590c (rev 02) is Kabylake-Y PCH: device id 9d4b (rev 21) is Kabylake-Y iHDCP 2.2 Premium IGD: device id 591c (rev 02) is Amberlake ULX GT2 VBOOT: Loading verstage. CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/verstage' CBFS: Found @ offset 1a0a80 size f47c coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 verstage starting... Probing TPM: . done! TPM ready after 0 ms Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_A:0.5.6/cr50_v1.9308_87_mp.510-d2da4373 Initialized TPM device CR50 revision 0 tlcl_send_startup: Startup return code is 0 TPM: setup succeeded src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x1007 return code 0 Chrome EC: UHEPI supported Phase 1 FMAP: Found "FLASH" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area GBB found @ c11000 (978944 bytes) VB2:vb2_check_recovery() Recovery reason from previous boot: 0x1b / 0x7 VB2:vb2_check_recovery() We have a recovery request: 0x1b / 0x0 Recovery requested (1009000e) Saving nvdata tlcl_extend: response is 0 tlcl_extend: response is 0 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/romstage' CBFS: Found @ offset 80 size 10ffc coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 romstage starting... pm1_sts: 0100 pm1_en: 0000 pm1_cnt: 00001c00 gpe0_sts[0]: 00000000 gpe0_en[0]: 00000000 gpe0_sts[1]: 00000000 gpe0_en[1]: 00000000 gpe0_sts[2]: 00000001 gpe0_en[2]: 00000000 gpe0_sts[3]: 00000000 gpe0_en[3]: 00010000 TCO_STS: 0000 0000 GEN_PMCON: e0040200 0000523a GBLRST_CAUSE: 00000000 00000000 prev_sleep_state 5 Boot Count incremented to 26560 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...AP: slot 1 apic_id 1. done. AP: slot 3 apic_id 3. AP: slot 2 apic_id 2. Waiting for 2nd SIPI to complete...done. Loading module at 00038000 with entry 00038000. filesize: 0x1a8 memsize: 0x1a8 Processing 13 relocs. Offset value of 0x00038000 SMM Module: stub loaded at 00038000. Will call 7ab21603(00000000) Installing SMM handler to 0x7b000000 Loading module at 7b010000 with entry 7b010a19. filesize: 0x3b08 memsize: 0x8bc0 Processing 243 relocs. Offset value of 0x7b010000 Loading module at 7b008000 with entry 7b008000. filesize: 0x1a8 memsize: 0x1a8 Processing 13 relocs. Offset value of 0x7b008000 SMM Module: placing jmp sequence at 7b007c00 rel16 0x03fd SMM Module: placing jmp sequence at 7b007800 rel16 0x07fd SMM Module: placing jmp sequence at 7b007400 rel16 0x0bfd SMM Module: stub loaded at 7b008000. Will call 7b010a19(00000000) Clearing SMI status registers SMI_STS: PM1 PM1_STS: PWRBTN TCO_STS: BOOT SECOND_TO New SMBASE 0x7b000000 In relocation handler: CPU 0 New SMBASE=0x7b000000 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afffc00 In relocation handler: CPU 1 New SMBASE=0x7afffc00 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afff400 In relocation handler: CPU 3 New SMBASE=0x7afff400 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afff800 In relocation handler: CPU 2 New SMBASE=0x7afff800 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. Initializing CPU #0 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC... apic_id: 0x00 done. Turbo is available but hidden Turbo has been enabled SGX : param.enable = 0 Skip microcode update CPU #0 initialized Initializing CPU #1 Initializing CPU #3 Initializing CPU #2 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC...CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC...Setting up local APIC... apic_id: 0x02 done. apic_id: 0x03 done. Skip microcode update Skip microcode update CPU #2 initialized CPU #3 initialized apic_id: 0x01 done. Skip microcode update CPU #1 initialized bsp_do_flight_plan done after 226 msecs. CPU: frequency set to 3400 MHz Enabling SMIs. Locking SMM. VMX : param.enable = 1 VMX status: enabled, unlocked SGX: pre-conditions not met VMX status: enabled, unlocked SGX: pre-conditions not met VMX status: enabled, unlocked VMX status: enabled, unlocked SGX: pre-conditions not met SGX: pre-conditions not met CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'vbt.bin' CBFS: Found @ offset 103a00 size 48e Found a VBT of 4608 bytes after decompression psys_pmax = 360 FMAP: area GBB found @ c11000 (978944 bytes) ITSS IRQ Polarities Before: IPC0: 0x00ff4000 IPC1: 0x00000007 IPC2: 0x00000000 IPC3: 0x00000000 ITSS IRQ Polarities After: IPC0: 0x00ff4000 IPC1: 0x00000007 IPC2: 0x00000000 IPC3: 0x00000000 Override DT after FSP-S, PCH is KBL/SKL PCH-LP SKU BS: BS_DEV_INIT_CHIPS times (us): entry 376160 run 170257 exit 0 Enumerating buses... Show all devs... Before device enumeration. Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 DOMAIN: 0000: enabled 1 APIC: 00: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 PCI: 00:15.1: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PCI: 00:1f.1: enabled 1 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 USB0 port 0: enabled 1 I2C: 00:5c: enabled 1 I2C: 00:15: enabled 1 I2C: 00:39: enabled 1 I2C: 00:3a: enabled 1 I2C: 00:1a: enabled 1 PCI: 00:00.0: enabled 1 SPI: 00: enabled 1 PNP: 0c09.0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 APIC: 01: enabled 1 APIC: 02: enabled 1 APIC: 03: enabled 1 Compare with tree... Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 APIC: 00: enabled 1 APIC: 01: enabled 1 APIC: 02: enabled 1 APIC: 03: enabled 1 DOMAIN: 0000: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 USB0 port 0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 I2C: 00:5c: enabled 1 PCI: 00:15.1: enabled 1 I2C: 00:15: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 I2C: 00:39: enabled 1 I2C: 00:3a: enabled 1 I2C: 00:1a: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 SPI: 00: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PNP: 0c09.0: enabled 1 PCI: 00:1f.1: enabled 1 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 Root Device scanning... root_dev_scan_bus for Root Device CPU_CLUSTER: 0 enabled DOMAIN: 0000 enabled DOMAIN: 0000 scanning... PCI: pci_scan_bus for bus 00 PCI: 00:00.0 [8086/0000] ops PCI: 00:00.0 [8086/590c] enabled PCI: 00:02.0 [8086/0000] ops PCI: 00:02.0 [8086/591c] enabled PCI: 00:04.0 [8086/1903] enabled PCI: 00:08.0 [8086/1911] enabled PCI: 00:14.0 [8086/0000] bus ops PCI: 00:14.0 [8086/9d2f] enabled PCI: 00:14.2 [8086/9d31] enabled PCI: 00:15.0 [8086/0000] bus ops PCI: 00:15.0 [8086/9d60] enabled PCI: 00:15.1 [8086/0000] bus ops PCI: 00:15.1 [8086/9d61] enabled PCI: 00:16.0 [8086/0000] ops PCI: 00:16.0 [8086/9d3a] enabled PCI: 00:19.0 [8086/0000] ops PCI: 00:19.0 [8086/9d66] enabled PCI: 00:19.1 [8086/0000] bus ops PCI: 00:19.1 [8086/9d65] enabled PCI: 00:1c.0 [8086/0000] bus ops PCI: 00:1c.0 [8086/9d10] enabled PCI: 00:1e.0 [8086/0000] ops PCI: 00:1e.0 [8086/9d27] enabled PCI: 00:1e.2 [8086/0000] bus ops PCI: 00:1e.2 [8086/9d29] enabled PCI: 00:1e.4 [8086/9d2b] enabled PCI: 00:1e.6 [8086/0000] ops PCI: 00:1e.6 [8086/9d2d] enabled PCI: 00:1f.0 [8086/0000] bus ops PCI: 00:1f.0 [8086/9d4b] enabled PCI: Static device PCI: 00:1f.1 not found, disabling it. PCI: 00:1f.2 [8086/0000] bus ops PCI: 00:1f.2 [8086/9d21] enabled PCI: 00:1f.3 [8086/0000] bus ops PCI: 00:1f.3 [8086/9d71] enabled PCI: 00:1f.4 [8086/0000] bus ops PCI: 00:1f.4 [8086/9d23] enabled PCI: 00:1f.5 [8086/0000] bus ops PCI: 00:1f.5 [8086/9d24] enabled PCI: 00:14.0 scanning... scan_usb_bus for PCI: 00:14.0 USB0 port 0 enabled USB0 port 0 scanning... scan_usb_bus for USB0 port 0 USB2 port 0 enabled USB2 port 1 enabled USB2 port 2 enabled USB2 port 4 enabled USB2 port 8 enabled USB2 port 0 scanning... scan_usb_bus for USB2 port 0 scan_usb_bus for USB2 port 0 done scan_bus: scanning of bus USB2 port 0 took 8973 usecs USB2 port 1 scanning... scan_usb_bus for USB2 port 1 scan_usb_bus for USB2 port 1 done scan_bus: scanning of bus USB2 port 1 took 8964 usecs USB2 port 2 scanning... scan_usb_bus for USB2 port 2 scan_usb_bus for USB2 port 2 done scan_bus: scanning of bus USB2 port 2 took 8972 usecs USB2 port 4 scanning... scan_usb_bus for USB2 port 4 scan_usb_bus for USB2 port 4 done scan_bus: scanning of bus USB2 port 4 took 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 8971 usecs scan_usb_bus for USB0 port 0 done scan_bus: scanning of bus USB0 port 0 took 90944 usecs scan_usb_bus for PCI: 00:14.0 done scan_bus: scanning of bus PCI: 00:14.0 took 107722 usecs PCI: 00:15.0 scanning... scan_generic_bus for PCI: 00:15.0 bus: PCI: 00:15.0[0]->I2C: 01:5c enabled scan_generic_bus for PCI: 00:15.0 done scan_bus: scanning of bus PCI: 00:15.0 took 14150 usecs PCI: 00:15.1 scanning... scan_generic_bus for PCI: 00:15.1 bus: PCI: 00:15.1[0]->I2C: 02:15 enabled scan_generic_bus for PCI: 00:15.1 done scan_bus: scanning of bus PCI: 00:15.1 took 14153 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 22363 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 53566 usecs PCI: 00:1e.2 scanning... scan_generic_bus for PCI: 00:1e.2 bus: PCI: 00:1e.2[0]->SPI: 00 enabled scan_generic_bus for PCI: 00:1e.2 done scan_bus: scanning of bus PCI: 00:1e.2 took 13865 usecs PCI: 00:1f.0 scanning... scan_lpc_bus for PCI: 00:1f.0 PNP: 0c09.0 enabled scan_lpc_bus for PCI: 00:1f.0 done scan_bus: scanning of bus PCI: 00:1f.0 took 11326 usecs PCI: 00:1f.2 scanning... scan_lpc_bus for PCI: 00:1f.2 scan_lpc_bus for PCI: 00:1f.2 done scan_bus: scanning of bus PCI: 00:1f.2 took 9265 usecs PCI: 00:1f.3 scanning... scan_bus: scanning of bus PCI: 00:1f.3 took 2718 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 10048 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 10047 usecs scan_bus: scanning of bus DOMAIN: 0000 took 466026 usecs root_dev_scan_bus for Root Device done scan_bus: scanning of bus Root Device took 486140 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 825846 exit 39215 found VGA at PCI: 00:02.0 Setting up VGA for PCI: 00:02.0 Setting PCI_BRIDGE_CTL_VGA for bridge DOMAIN: 0000 Setting PCI_BRIDGE_CTL_VGA for bridge Root Device Allocating resources... Reading resources... Root Device read_resources bus 0 link: 0 CPU_CLUSTER: 0 read_resources bus 0 link: 0 CPU_CLUSTER: 0 read_resources bus 0 link: 0 done DOMAIN: 0000 read_resources bus 0 link: 0 PCI: 00:14.0 read_resources bus 0 link: 0 USB0 port 0 read_resources bus 0 link: 0 USB0 port 0 read_resources bus 0 link: 0 done PCI: 00:14.0 read_resources bus 0 link: 0 done PCI: 00:15.0 read_resources bus 1 link: 0 PCI: 00:15.0 read_resources bus 1 link: 0 done PCI: 00:15.1 read_resources bus 2 link: 0 PCI: 00:15.1 read_resources bus 2 link: 0 done PCI: 00:19.1 read_resources bus 3 link: 0 PCI: 00:19.1 read_resources bus 3 link: 0 done PCI: 00:1c.0 read_resources bus 1 link: 0 PCI: 00:1c.0 read_resources bus 1 link: 0 done PCI: 00:1e.2 read_resources bus 4 link: 0 PCI: 00:1e.2 read_resources bus 4 link: 0 done PCI: 00:1f.0 read_resources bus 0 link: 0 PCI: 00:1f.0 read_resources bus 0 link: 0 done DOMAIN: 0000 read_resources bus 0 link: 0 done Root Device read_resources bus 0 link: 0 done Done reading resources. Show resources in subtree (Root Device)...After reading. Root Device child on link 0 CPU_CLUSTER: 0 CPU_CLUSTER: 0 child on link 0 APIC: 00 APIC: 00 APIC: 01 APIC: 02 APIC: 03 DOMAIN: 0000 child on link 0 PCI: 00:00.0 DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffff flags 40040100 index 10000000 DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffffffff flags 40040200 index 10000100 PCI: 00:00.0 PCI: 00:00.0 resource base e0000000 size 4000000 align 0 gran 0 limit 0 flags f0000200 index 0 PCI: 00:00.0 resource base fed10000 size 8000 align 0 gran 0 limit 0 flags f0000200 index 1 PCI: 00:00.0 resource base fed18000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 2 PCI: 00:00.0 resource base fed19000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 3 PCI: 00:00.0 resource base fed84000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 4 PCI: 00:00.0 resource base fed80000 size 4000 align 0 gran 0 limit 0 flags f0000200 index 5 PCI: 00:00.0 resource base fed90000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 6 PCI: 00:00.0 resource base fed91000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 7 PCI: 00:00.0 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 8 PCI: 00:00.0 resource base c0000 size 7af40000 align 0 gran 0 limit 0 flags e0004200 index 9 PCI: 00:00.0 resource base 7b000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index b PCI: 00:00.0 resource base 7b800000 size 4800000 align 0 gran 0 limit 0 flags f0000200 index c PCI: 00:00.0 resource base 100000000 size 7f000000 align 0 gran 0 limit 0 flags e0004200 index d PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index e PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index f PCI: 00:02.0 PCI: 00:02.0 resource base 0 size 1000000 align 24 gran 24 limit ffffffffffffffff flags 201 index 10 PCI: 00:02.0 resource base 0 size 10000000 align 28 gran 28 limit ffffffffffffffff flags 1201 index 18 PCI: 00:02.0 resource base 0 size 40 align 6 gran 6 limit ffff flags 100 index 20 PCI: 00:04.0 PCI: 00:04.0 resource base 0 size 8000 align 15 gran 15 limit ffffffffffffffff flags 201 index 10 PCI: 00:08.0 PCI: 00:08.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:14.0 child on link 0 USB0 port 0 PCI: 00:14.0 resource base 0 size 10000 align 16 gran 16 limit ffffffffffffffff flags 201 index 10 USB0 port 0 child on link 0 USB2 port 0 USB2 port 0 USB2 port 1 USB2 port 2 USB2 port 4 USB2 port 8 PCI: 00:14.1 PCI: 00:14.2 PCI: 00:14.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:15.0 child on link 0 I2C: 01:5c PCI: 00:15.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 01:5c PCI: 00:15.1 child on link 0 I2C: 02:15 PCI: 00:15.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 02:15 PCI: 00:15.2 PCI: 00:15.3 PCI: 00:16.0 PCI: 00:16.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:16.1 PCI: 00:16.2 PCI: 00:16.3 PCI: 00:16.4 PCI: 00:17.0 PCI: 00:19.0 PCI: 00:19.0 resource base fe034000 size 1000 align 12 gran 12 limit ffffffffffffffff flags c0000200 index 10 PCI: 00:19.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 PCI: 00:19.1 child on link 0 I2C: 03:39 PCI: 00:19.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 03:39 I2C: 03:3a I2C: 03:1a PCI: 00:19.2 PCI: 00:1c.0 child on link 0 PCI: 01:00.0 PCI: 00:1c.0 resource base 0 size 0 align 12 gran 12 limit ffff flags 80102 index 1c PCI: 00:1c.0 resource base 0 size 0 align 20 gran 20 limit ffffffffffffffff flags 81202 index 24 PCI: 00:1c.0 resource base 0 size 0 align 20 gran 20 limit ffffffff flags 80202 index 20 PCI: 01:00.0 PCI: 01:00.0 resource base 0 size 2000 align 13 gran 13 limit ffffffffffffffff flags 201 index 10 PCI: 00:1c.1 PCI: 00:1c.2 PCI: 00:1c.3 PCI: 00:1c.4 PCI: 00:1c.5 PCI: 00:1c.6 PCI: 00:1c.7 PCI: 00:1d.0 PCI: 00:1d.1 PCI: 00:1d.2 PCI: 00:1d.3 PCI: 00:1e.0 PCI: 00:1e.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1e.1 PCI: 00:1e.2 child on link 0 SPI: 00 PCI: 00:1e.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 SPI: 00 PCI: 00:1e.3 PCI: 00:1e.4 PCI: 00:1e.4 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1e.5 PCI: 00:1e.6 PCI: 00:1e.6 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.0 child on link 0 PNP: 0c09.0 PCI: 00:1f.0 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0000100 index 0 PNP: 0c09.0 PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0 PCI: 00:1f.1 PCI: 00:1f.2 PCI: 00:1f.2 resource base 0 size 4000 align 14 gran 14 limit ffffffff flags 200 index 10 PCI: 00:1f.2 resource base fe000000 size 10000 align 0 gran 0 limit 0 flags d0000200 index 48 PCI: 00:1f.2 resource base 1800 size 100 align 0 gran 0 limit 0 flags c0000100 index 40 PCI: 00:1f.3 PCI: 00:1f.3 resource base 0 size 4000 align 14 gran 14 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.3 resource base 0 size 10000 align 16 gran 16 limit ffffffffffffffff flags 201 index 20 PCI: 00:1f.4 PCI: 00:1f.4 resource base efa0 size 20 align 0 gran 0 limit efbf flags f0000100 index 20 PCI: 00:1f.4 resource base 0 size 100 align 12 gran 8 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.5 PCI: 00:1f.5 resource base 0 size 1000 align 12 gran 12 limit ffffffff flags 200 index 10 PCI: 00:1f.6 DOMAIN: 0000 io: base: 0 size: 0 align: 0 gran: 0 limit: ffff PCI: 00:1c.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff PCI: 00:1c.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff done PCI: 00:02.0 20 * [0x0 - 0x3f] io DOMAIN: 0000 io: base: 40 size: 40 align: 6 gran: 0 limit: ffff done DOMAIN: 0000 mem: base: 0 size: 0 align: 0 gran: 0 limit: ffffffff PCI: 00:1c.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff PCI: 00:1c.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff done PCI: 00:1c.0 mem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffff PCI: 01:00.0 10 * [0x0 - 0x1fff] mem PCI: 00:1c.0 mem: base: 2000 size: 100000 align: 20 gran: 20 limit: ffffffff done PCI: 00:02.0 18 * [0x0 - 0xfffffff] prefmem PCI: 00:02.0 10 * [0x10000000 - 0x10ffffff] mem PCI: 00:1c.0 20 * [0x11000000 - 0x110fffff] mem PCI: 00:14.0 10 * [0x11100000 - 0x1110ffff] mem PCI: 00:1f.3 20 * [0x11110000 - 0x1111ffff] mem PCI: 00:04.0 10 * [0x11120000 - 0x11127fff] mem PCI: 00:1f.2 10 * [0x11128000 - 0x1112bfff] mem PCI: 00:1f.3 10 * [0x1112c000 - 0x1112ffff] mem PCI: 00:08.0 10 * [0x11130000 - 0x11130fff] mem PCI: 00:14.2 10 * [0x11131000 - 0x11131fff] mem PCI: 00:15.0 10 * [0x11132000 - 0x11132fff] mem PCI: 00:15.1 10 * [0x11133000 - 0x11133fff] mem PCI: 00:16.0 10 * [0x11134000 - 0x11134fff] mem PCI: 00:19.0 18 * [0x11135000 - 0x11135fff] mem PCI: 00:19.1 10 * [0x11136000 - 0x11136fff] mem PCI: 00:1e.0 10 * [0x11137000 - 0x11137fff] mem PCI: 00:1e.2 10 * [0x11138000 - 0x11138fff] mem PCI: 00:1e.4 10 * [0x11139000 - 0x11139fff] mem PCI: 00:1e.6 10 * [0x1113a000 - 0x1113afff] mem PCI: 00:1f.5 10 * [0x1113b000 - 0x1113bfff] mem PCI: 00:1f.4 10 * [0x1113c000 - 0x1113c0ff] mem DOMAIN: 0000 mem: base: 1113c100 size: 1113c100 align: 28 gran: 0 limit: ffffffff done avoid_fixed_resources: DOMAIN: 0000 avoid_fixed_resources:@DOMAIN: 0000 10000000 limit 0000ffff avoid_fixed_resources:@DOMAIN: 0000 10000100 limit ffffffff constrain_resources: PCI: 00:00.0 00 base e0000000 limit e3ffffff mem (fixed) constrain_resources: PCI: 00:00.0 08 base 00000000 limit 0009ffff mem (fixed) constrain_resources: PCI: 00:00.0 09 base 000c0000 limit 7affffff mem (fixed) constrain_resources: PCI: 00:00.0 0b base 7b000000 limit 7b7fffff mem (fixed) constrain_resources: PCI: 00:00.0 0c base 7b800000 limit 7fffffff mem (fixed) constrain_resources: PCI: 00:1f.0 00 base 00000000 limit 00000fff io (fixed) constrain_resources: PCI: 00:1f.2 40 base 00001800 limit 000018ff io (fixed) constrain_resources: PCI: 00:1f.4 20 base 0000efa0 limit 0000efbf io (fixed) avoid_fixed_resources:@DOMAIN: 0000 10000000 base 00001900 limit 0000ef9f avoid_fixed_resources:@DOMAIN: 0000 10000100 base c0000000 limit dfffffff Setting resources... DOMAIN: 0000 io: base:1900 size:40 align:6 gran:0 limit:ef9f PCI: 00:02.0 20 * [0x1c00 - 0x1c3f] io DOMAIN: 0000 io: next_base: 1c40 size: 40 align: 6 gran: 0 done PCI: 00:1c.0 io: base:ef9f size:0 align:12 gran:12 limit:ef9f PCI: 00:1c.0 io: next_base: ef9f size: 0 align: 12 gran: 12 done DOMAIN: 0000 mem: base:c0000000 size:1113c100 align:28 gran:0 limit:dfffffff PCI: 00:02.0 18 * [0xc0000000 - 0xcfffffff] prefmem PCI: 00:02.0 10 * [0xd0000000 - 0xd0ffffff] mem PCI: 00:1c.0 20 * [0xd1000000 - 0xd10fffff] mem PCI: 00:14.0 10 * [0xd1100000 - 0xd110ffff] mem PCI: 00:1f.3 20 * [0xd1110000 - 0xd111ffff] mem PCI: 00:04.0 10 * [0xd1120000 - 0xd1127fff] mem PCI: 00:1f.2 10 * [0xd1128000 - 0xd112bfff] mem PCI: 00:1f.3 10 * [0xd112c000 - 0xd112ffff] mem PCI: 00:08.0 10 * [0xd1130000 - 0xd1130fff] mem PCI: 00:14.2 10 * [0xd1131000 - 0xd1131fff] mem PCI: 00:15.0 10 * [0xd1132000 - 0xd1132fff] mem PCI: 00:15.1 10 * [0xd1133000 - 0xd1133fff] mem PCI: 00:16.0 10 * [0xd1134000 - 0xd1134fff] mem PCI: 00:19.0 18 * [0xd1135000 - 0xd1135fff] mem PCI: 00:19.1 10 * [0xd1136000 - 0xd1136fff] mem PCI: 00:1e.0 10 * [0xd1137000 - 0xd1137fff] mem PCI: 00:1e.2 10 * [0xd1138000 - 0xd1138fff] mem PCI: 00:1e.4 10 * [0xd1139000 - 0xd1139fff] mem PCI: 00:1e.6 10 * [0xd113a000 - 0xd113afff] mem PCI: 00:1f.5 10 * [0xd113b000 - 0xd113bfff] mem PCI: 00:1f.4 10 * [0xd113c000 - 0xd113c0ff] mem DOMAIN: 0000 mem: next_base: d113c100 size: 1113c100 align: 28 gran: 0 done PCI: 00:1c.0 prefmem: base:dfffffff size:0 align:20 gran:20 limit:dfffffff PCI: 00:1c.0 prefmem: next_base: dfffffff size: 0 align: 20 gran: 20 done PCI: 00:1c.0 mem: base:d1000000 size:100000 align:20 gran:20 limit:d10fffff PCI: 01:00.0 10 * [0xd1000000 - 0xd1001fff] mem PCI: 00:1c.0 mem: next_base: d1002000 size: 100000 align: 20 gran: 20 done Root Device assign_resources, bus 0 link: 0 DOMAIN: 0000 assign_resources, bus 0 link: 0 PCI: 00:02.0 10 <- [0x00d0000000 - 0x00d0ffffff] size 0x01000000 gran 0x18 mem64 PCI: 00:02.0 18 <- [0x00c0000000 - 0x00cfffffff] size 0x10000000 gran 0x1c prefmem64 PCI: 00:02.0 20 <- [0x0000001c00 - 0x0000001c3f] size 0x00000040 gran 0x06 io PCI: 00:04.0 10 <- [0x00d1120000 - 0x00d1127fff] size 0x00008000 gran 0x0f mem64 PCI: 00:08.0 10 <- [0x00d1130000 - 0x00d1130fff] size 0x00001000 gran 0x0c mem64 PCI: 00:14.0 10 <- [0x00d1100000 - 0x00d110ffff] size 0x00010000 gran 0x10 mem64 PCI: 00:14.0 assign_resources, bus 0 link: 0 PCI: 00:14.0 assign_resources, bus 0 link: 0 PCI: 00:14.2 10 <- [0x00d1131000 - 0x00d1131fff] size 0x00001000 gran 0x0c mem64 PCI: 00:15.0 10 <- [0x00d1132000 - 0x00d1132fff] size 0x00001000 gran 0x0c mem64 PCI: 00:15.0 assign_resources, bus 1 link: 0 PCI: 00:15.0 assign_resources, bus 1 link: 0 PCI: 00:15.1 10 <- [0x00d1133000 - 0x00d1133fff] size 0x00001000 gran 0x0c mem64 PCI: 00:15.1 assign_resources, bus 2 link: 0 PCI: 00:15.1 assign_resources, bus 2 link: 0 PCI: 00:16.0 10 <- [0x00d1134000 - 0x00d1134fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.0 18 <- [0x00d1135000 - 0x00d1135fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.1 10 <- [0x00d1136000 - 0x00d1136fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.1 assign_resources, bus 3 link: 0 PCI: 00:19.1 assign_resources, bus 3 link: 0 PCI: 00:1c.0 1c <- [0x000000ef9f - 0x000000ef9e] size 0x00000000 gran 0x0c bus 01 io PCI: 00:1c.0 24 <- [0x00dfffffff - 0x00dffffffe] size 0x00000000 gran 0x14 bus 01 prefmem PCI: 00:1c.0 20 <- [0x00d1000000 - 0x00d10fffff] size 0x00100000 gran 0x14 bus 01 mem PCI: 00:1c.0 assign_resources, bus 1 link: 0 PCI: 01:00.0 10 <- [0x00d1000000 - 0x00d1001fff] size 0x00002000 gran 0x0d mem64 PCI: 00:1c.0 assign_resources, bus 1 link: 0 PCI: 00:1e.0 10 <- [0x00d1137000 - 0x00d1137fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1e.2 10 <- [0x00d1138000 - 0x00d1138fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1e.2 assign_resources, bus 4 link: 0 PCI: 00:1e.2 assign_resources, bus 4 link: 0 PCI: 00:1e.4 10 <- [0x00d1139000 - 0x00d1139fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1e.6 10 <- [0x00d113a000 - 0x00d113afff] size 0x00001000 gran 0x0c mem64 PCI: 00:1f.0 assign_resources, bus 0 link: 0 PCI: 00:1f.0 assign_resources, bus 0 link: 0 LPC: Trying to open IO window from 800 size 1ff PCI: 00:1f.2 10 <- [0x00d1128000 - 0x00d112bfff] size 0x00004000 gran 0x0e mem PCI: 00:1f.3 10 <- [0x00d112c000 - 0x00d112ffff] size 0x00004000 gran 0x0e mem64 PCI: 00:1f.3 20 <- [0x00d1110000 - 0x00d111ffff] size 0x00010000 gran 0x10 mem64 PCI: 00:1f.4 10 <- [0x00d113c000 - 0x00d113c0ff] size 0x00000100 gran 0x08 mem64 PCI: 00:1f.5 10 <- [0x00d113b000 - 0x00d113bfff] size 0x00001000 gran 0x0c mem DOMAIN: 0000 assign_resources, bus 0 link: 0 Root Device assign_resources, bus 0 link: 0 Done setting resources. Show resources in subtree (Root Device)...After assigning values. Root Device child on link 0 CPU_CLUSTER: 0 CPU_CLUSTER: 0 child on link 0 APIC: 00 APIC: 00 APIC: 01 APIC: 02 APIC: 03 DOMAIN: 0000 child on link 0 PCI: 00:00.0 DOMAIN: 0000 resource base 1900 size 40 align 6 gran 0 limit ef9f flags 40040100 index 10000000 DOMAIN: 0000 resource base c0000000 size 1113c100 align 28 gran 0 limit dfffffff flags 40040200 index 10000100 PCI: 00:00.0 PCI: 00:00.0 resource base e0000000 size 4000000 align 0 gran 0 limit 0 flags f0000200 index 0 PCI: 00:00.0 resource base fed10000 size 8000 align 0 gran 0 limit 0 flags f0000200 index 1 PCI: 00:00.0 resource base fed18000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 2 PCI: 00:00.0 resource base fed19000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 3 PCI: 00:00.0 resource base fed84000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 4 PCI: 00:00.0 resource base fed80000 size 4000 align 0 gran 0 limit 0 flags f0000200 index 5 PCI: 00:00.0 resource base fed90000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 6 PCI: 00:00.0 resource base fed91000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 7 PCI: 00:00.0 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 8 PCI: 00:00.0 resource base c0000 size 7af40000 align 0 gran 0 limit 0 flags e0004200 index 9 PCI: 00:00.0 resource base 7b000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index b PCI: 00:00.0 resource base 7b800000 size 4800000 align 0 gran 0 limit 0 flags f0000200 index c PCI: 00:00.0 resource base 100000000 size 7f000000 align 0 gran 0 limit 0 flags e0004200 index d PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index e PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index f PCI: 00:02.0 PCI: 00:02.0 resource base d0000000 size 1000000 align 24 gran 24 limit d0ffffff flags 60000201 index 10 PCI: 00:02.0 resource base c0000000 size 10000000 align 28 gran 28 limit cfffffff flags 60001201 index 18 PCI: 00:02.0 resource base 1c00 size 40 align 6 gran 6 limit 1c3f flags 60000100 index 20 PCI: 00:04.0 PCI: 00:04.0 resource base d1120000 size 8000 align 15 gran 15 limit d1127fff flags 60000201 index 10 PCI: 00:08.0 PCI: 00:08.0 resource base d1130000 size 1000 align 12 gran 12 limit d1130fff flags 60000201 index 10 PCI: 00:14.0 child on link 0 USB0 port 0 PCI: 00:14.0 resource base d1100000 size 10000 align 16 gran 16 limit d110ffff flags 60000201 index 10 USB0 port 0 child on link 0 USB2 port 0 USB2 port 0 USB2 port 1 USB2 port 2 USB2 port 4 USB2 port 8 PCI: 00:14.1 PCI: 00:14.2 PCI: 00:14.2 resource base d1131000 size 1000 align 12 gran 12 limit d1131fff flags 60000201 index 10 PCI: 00:15.0 child on link 0 I2C: 01:5c PCI: 00:15.0 resource base d1132000 size 1000 align 12 gran 12 limit d1132fff flags 60000201 index 10 I2C: 01:5c PCI: 00:15.1 child on link 0 I2C: 02:15 PCI: 00:15.1 resource base d1133000 size 1000 align 12 gran 12 limit d1133fff flags 60000201 index 10 I2C: 02:15 PCI: 00:15.2 PCI: 00:15.3 PCI: 00:16.0 PCI: 00:16.0 resource base d1134000 size 1000 align 12 gran 12 limit d1134fff flags 60000201 index 10 PCI: 00:16.1 PCI: 00:16.2 PCI: 00:16.3 PCI: 00:16.4 PCI: 00:17.0 PCI: 00:19.0 PCI: 00:19.0 resource base fe034000 size 1000 align 12 gran 12 limit ffffffffffffffff flags c0000200 index 10 PCI: 00:19.0 resource base d1135000 size 1000 align 12 gran 12 limit d1135fff flags 60000201 index 18 PCI: 00:19.1 child on link 0 I2C: 03:39 PCI: 00:19.1 resource base d1136000 size 1000 align 12 gran 12 limit d1136fff flags 60000201 index 10 I2C: 03:39 I2C: 03:3a I2C: 03:1a PCI: 00:19.2 PCI: 00:1c.0 child on link 0 PCI: 01:00.0 PCI: 00:1c.0 resource base ef9f size 0 align 12 gran 12 limit ef9f flags 60080102 index 1c PCI: 00:1c.0 resource base dfffffff size 0 align 20 gran 20 limit dfffffff flags 60081202 index 24 PCI: 00:1c.0 resource base d1000000 size 100000 align 20 gran 20 limit d10fffff flags 60080202 index 20 PCI: 01:00.0 PCI: 01:00.0 resource base d1000000 size 2000 align 13 gran 13 limit d1001fff flags 60000201 index 10 PCI: 00:1c.1 PCI: 00:1c.2 PCI: 00:1c.3 PCI: 00:1c.4 PCI: 00:1c.5 PCI: 00:1c.6 PCI: 00:1c.7 PCI: 00:1d.0 PCI: 00:1d.1 PCI: 00:1d.2 PCI: 00:1d.3 PCI: 00:1e.0 PCI: 00:1e.0 resource base d1137000 size 1000 align 12 gran 12 limit d1137fff flags 60000201 index 10 PCI: 00:1e.1 PCI: 00:1e.2 child on link 0 SPI: 00 PCI: 00:1e.2 resource base d1138000 size 1000 align 12 gran 12 limit d1138fff flags 60000201 index 10 SPI: 00 PCI: 00:1e.3 PCI: 00:1e.4 PCI: 00:1e.4 resource base d1139000 size 1000 align 12 gran 12 limit d1139fff flags 60000201 index 10 PCI: 00:1e.5 PCI: 00:1e.6 PCI: 00:1e.6 resource base d113a000 size 1000 align 12 gran 12 limit d113afff flags 60000201 index 10 PCI: 00:1f.0 child on link 0 PNP: 0c09.0 PCI: 00:1f.0 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0000100 index 0 PNP: 0c09.0 PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0 PCI: 00:1f.1 PCI: 00:1f.2 PCI: 00:1f.2 resource base d1128000 size 4000 align 14 gran 14 limit d112bfff flags 60000200 index 10 PCI: 00:1f.2 resource base fe000000 size 10000 align 0 gran 0 limit 0 flags d0000200 index 48 PCI: 00:1f.2 resource base 1800 size 100 align 0 gran 0 limit 0 flags c0000100 index 40 PCI: 00:1f.3 PCI: 00:1f.3 resource base d112c000 size 4000 align 14 gran 14 limit d112ffff flags 60000201 index 10 PCI: 00:1f.3 resource base d1110000 size 10000 align 16 gran 16 limit d111ffff flags 60000201 index 20 PCI: 00:1f.4 PCI: 00:1f.4 resource base efa0 size 20 align 0 gran 0 limit efbf flags f0000100 index 20 PCI: 00:1f.4 resource base d113c000 size 100 align 12 gran 8 limit d113c0ff flags 60000201 index 10 PCI: 00:1f.5 PCI: 00:1f.5 resource base d113b000 size 1000 align 12 gran 12 limit d113bfff flags 60000200 index 10 PCI: 00:1f.6 Done allocating resources. BS: BS_DEV_RESOURCES times (us): entry 0 run 2114152 exit 30 Enabling resources... PCI: 00:00.0 subsystem <- 8086/590c PCI: 00:00.0 cmd <- 06 PCI: 00:02.0 subsystem <- 8086/591c PCI: 00:02.0 cmd <- 03 PCI: 00:04.0 cmd <- 02 PCI: 00:08.0 cmd <- 06 PCI: 00:14.0 subsystem <- 8086/9d2f PCI: 00:14.0 cmd <- 02 PCI: 00:14.2 subsystem <- 8086/9d31 PCI: 00:14.2 cmd <- 02 PCI: 00:15.0 subsystem <- 8086/9d60 PCI: 00:15.0 cmd <- 06 PCI: 00:15.1 subsystem <- 8086/9d61 PCI: 00:15.1 cmd <- 06 PCI: 00:16.0 subsystem <- 8086/9d3a PCI: 00:16.0 cmd <- 02 PCI: 00:19.0 subsystem <- 8086/9d66 PCI: 00:19.0 cmd <- 06 PCI: 00:19.1 subsystem <- 8086/9d65 PCI: 00:19.1 cmd <- 06 PCI: 00:1c.0 bridge ctrl <- 0003 PCI: 00:1c.0 subsystem <- 8086/9d10 PCI: 00:1c.0 cmd <- 06 PCI: 00:1e.0 subsystem <- 8086/9d27 PCI: 00:1e.0 cmd <- 06 PCI: 00:1e.2 subsystem <- 8086/9d29 PCI: 00:1e.2 cmd <- 06 PCI: 00:1e.4 subsystem <- 8086/9d2b PCI: 00:1e.4 cmd <- 06 PCI: 00:1e.6 subsystem <- 8086/9d2d PCI: 00:1e.6 cmd <- 06 PCI: 00:1f.0 subsystem <- 8086/9d4b PCI: 00:1f.0 cmd <- 407 PCI: 00:1f.2 subsystem <- 8086/9d21 PCI: 00:1f.2 cmd <- 02 PCI: 00:1f.3 subsystem <- 8086/9d71 PCI: 00:1f.3 cmd <- 02 PCI: 00:1f.4 subsystem <- 8086/9d23 PCI: 00:1f.4 cmd <- 03 PCI: 00:1f.5 subsystem <- 8086/9d24 PCI: 00:1f.5 cmd <- 406 PCI: 01:00.0 subsystem <- 8086/095a PCI: 01:00.0 cmd <- 02 done. ME: Version : 11.8.50.3470 BS: BS_DEV_ENABLE times (us): entry 288 run 139315 exit 18913 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 31005 usecs CPU_CLUSTER: 0 init ... CPU_CLUSTER: 0 init finished in 2445 usecs PCI: 00:00.0 init ... CPU TDP: 5 Watts CPU PL2 = 18 Watts PCI: 00:00.0 init finished in 6985 usecs PCI: 00:02.0 init ... PCI: 00:02.0 init finished in 2249 usecs PCI: 00:04.0 init ... PCI: 00:04.0 init finished in 2247 usecs PCI: 00:08.0 init ... PCI: 00:08.0 init finished in 2249 usecs PCI: 00:14.0 init ... PCI: 00:14.0 init finished in 2249 usecs PCI: 00:14.2 init ... PCI: 00:14.2 init finished in 2249 usecs PCI: 00:15.0 init ... DW I2C bus 0 at 0xd1132000 (400 KHz) PCI: 00:15.0 init finished in 5966 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 2250 usecs PCI: 00:19.1 init ... DW I2C bus 5 at 0xd1136000 (400 KHz) PCI: 00:19.1 init finished in 5969 usecs PCI: 00:1c.0 init ... Initializing PCH PCIe bridge. PCI: 00:1c.0 init finished in 5280 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 23493 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 23812 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 2393 usecs PNP: 0c09.0 init ... Google Chrome EC: Hello got back 11223344 status (0) Google Chrome EC: version: ro: rammus_v2.0.387-f0df0fe2e rw: rammus_v2.0.425-6e0dd622e running image: 1 EC returned error result code 1 PNP: 0c09.0 init finished in 24451 usecs Devices initialized Show all devs... After init. Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 DOMAIN: 0000: enabled 1 APIC: 00: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 PCI: 00:15.1: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PCI: 00:1f.1: enabled 0 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 USB0 port 0: enabled 1 I2C: 01:5c: enabled 1 I2C: 02:15: enabled 1 I2C: 03:39: enabled 1 I2C: 03:3a: enabled 1 I2C: 03:1a: enabled 1 PCI: 01:00.0: enabled 1 SPI: 00: enabled 1 PNP: 0c09.0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 APIC: 01: enabled 1 APIC: 02: enabled 1 APIC: 03: enabled 1 PCI: 00:04.0: enabled 1 PCI: 00:08.0: enabled 1 FMAP: area RW_ELOG found @ 9f0000 (16384 bytes) ELOG: NV offset 0x9f0000 size 0x4000 ELOG: area is 4096 bytes, full threshold 3842, shrink size 1024 ELOG: Event(17) added with size 13 at 2022-11-09 10:44:47 UTC POST: Unexpected post code in previous boot: 0x34 ELOG: Event(A3) added with size 11 at 2022-11-09 10:44:47 UTC ELOG: Event(16) added with size 11 at 2022-11-09 10:44:47 UTC Erasing flash addr 9f0000 + 4 KiB ELOG: Event(92) added with size 9 at 2022-11-09 10:44:47 UTC ELOG: Event(9A) added with size 9 at 2022-11-09 10:44:47 UTC ELOG: Event(AD) added with size 10 at 2022-11-09 10:44:47 UTC ELOG: Event(9F) added with size 14 at 2022-11-09 10:44:47 UTC BS: BS_DEV_INIT times (us): entry 0 run 417298 exit 121998 ELOG: Event(A1) added with size 10 at 2022-11-09 10:44:47 UTC elog_add_boot_reason: Logged recovery mode boot (Dev-switch on), reason: 0x1b ELOG: Event(A0) added with size 9 at 2022-11-09 10:44:47 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 25569 run 3968 exit 5211 BS: BS_OS_RESUME_CHECK times (us): entry 0 run 55 exit 0 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/dsdt.aml' CBFS: Found @ offset 19af40 size 4691 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/slic' CBFS: 'fallback/slic' not found. ACPI: Writing ACPI tables at 7aa9a000. ACPI: * FACS ACPI: * DSDT Ramoops buffer: 0x100000@0x7a999000. SGX: not enabled or not supported. skip gnvs fill ACPI: * FADT SCI is IRQ9 ACPI: added table 1/32, length now 40 ACPI: * SSDT Found 1 CPU(s) with 4 core(s) each. \_SB.PCI0.I2C0.H05C: SISC Touchscreen at I2C: 01:5c \_SB.PCI0.I2C1.D015: ELAN Touchpad at I2C: 02:15 \_SB.PCI0.I2C5.MAXR: Maxim MAX98927 Codec address 039h \_SB.PCI0.I2C5.MAXL: Maxim MAX98927 Codec address 03ah \_SB.PCI0.I2C5.DLG7: Dialog Semiconductor DA7219 Audio Codec address 01ah irq 105 Error: Could not locate 'wifi_sar' in VPD. Error: failed from getting SAR limits! \_SB.PCI0.RP01.WIFI: Intel WiFi PCI: 01:00.0 \_SB.PCI0.SPI0.S001: SPI Device at SPI: 00 \_SB.PCI0.XHCI.RHUB.HS01: USB Type C Port 1 at USB2 port 0 \_SB.PCI0.XHCI.RHUB.HS02: USB Type A Port 1 at USB2 port 1 \_SB.PCI0.XHCI.RHUB.HS03: Bluetooth at USB2 port 2 \_SB.PCI0.XHCI.RHUB.HS05: USB Type C Port 2 at USB2 port 4 \_SB.PCI0.XHCI.RHUB.HS09: Camera at USB2 port 8 ACPI: added table 2/32, length now 44 ACPI: * MCFG ACPI: added table 3/32, length now 48 ACPI: * TPM2 ACPI: added table 4/32, length now 52 ACPI: * MADT SCI is IRQ9 ACPI: added table 5/32, length now 56 current = 7aa9fa60 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dmic-4ch-48khz-16b.bin' CBFS: Found @ offset 167000 size ba8 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dmic-4ch-48khz-32b.bin' CBFS: Found @ offset 19f640 size ba8 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dialog-2ch-48khz-24b.bin' CBFS: Found @ offset 167cc0 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dialog-2ch-48khz-24b.bin' CBFS: Found @ offset 167cc0 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'max98927-render-2ch-48khz-24b.bin' CBFS: Found @ offset 167c00 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'max98927-render-2ch-48khz-16b.bin' CBFS: Found @ offset 103f00 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'max98927-render-2ch-48khz-16b.bin' CBFS: Found @ offset 103f00 size 64 ACPI: * NHLT ACPI: added table 6/32, length now 60 ACPI: * DMAR ACPI: added table 7/32, length now 64 ACPI: * IGD OpRegion GMA: Found VBT in CBFS GMA: Found valid VBT in CBFS current = 7aaa3610 ACPI: added table 8/32, length now 68 ACPI: * HPET ACPI: added table 9/32, length now 72 ACPI: done. ACPI tables: 38592 bytes. smbios_write_tables: 7a998000 Create SMBIOS type 17 PCI: 01:00.0 (Intel WiFi) SMBIOS tables: 662 bytes. Writing table forward entry at 0x00000500 Wrote coreboot table at: 00000500, 0x10 bytes, checksum a532 Writing coreboot table at 0x7aabe000 0. 0000000000000000-0000000000000fff: CONFIGURATION TABLES 1. 0000000000001000-000000000009ffff: RAM 2. 00000000000a0000-00000000000fffff: RESERVED 3. 0000000000100000-000000007a997fff: RAM 4. 000000007a998000-000000007ab05fff: CONFIGURATION TABLES 5. 000000007ab06000-000000007abcffff: RAMSTAGE 6. 000000007abd0000-000000007affffff: CONFIGURATION TABLES 7. 000000007b000000-000000007fffffff: RESERVED 8. 00000000e0000000-00000000e3ffffff: RESERVED 9. 00000000fe000000-00000000fe00ffff: RESERVED 10. 00000000fed10000-00000000fed19fff: RESERVED 11. 00000000fed80000-00000000fed84fff: RESERVED 12. 00000000fed90000-00000000fed91fff: RESERVED 13. 0000000100000000-000000017effffff: RAM Graphics framebuffer located at 0xc0000000 Passing 6 GPIOs to payload: NAME | PORT | POLARITY | VALUE write protect | undefined | high | low recovery | undefined | high | low lid | undefined | high | high power | undefined | high | low oprom | undefined | high | low EC in RW | 0x00000036 | high | low Board ID: 6 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) Wrote coreboot table at: 7aabe000, 0x57c bytes, checksum 7adf 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 534031 exit 146368 call enable_fixed_mtrr() CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CPU physical address size: 39 bits CBFS: Locating 'fallback/payload' MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 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 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() call enable_fixed_mtrr() CPU physical address size: 39 bits CPU physical address size: 39 bits CBFS: Found @ offset 223040 size 360b4 Checking segment from ROM address 0xfff23078 Checking segment from ROM address 0xfff23094 Loading segment from ROM address 0xfff23078 code (compression=0) New segment dstaddr 0x30104020 memsize 0x64d8b0 srcaddr 0xfff230b0 filesize 0x3607c Loading Segment: addr: 0x30104020 memsz: 0x000000000064d8b0 filesz: 0x000000000003607c it's not compressed! [ 0x30104020, 3013a09c, 0x307518d0) <- fff230b0 Clearing Segment: addr: 0x000000003013a09c memsz: 0x0000000000617834 Loading segment from ROM address 0xfff23094 Entry Point 0x30104020 Loaded segments Finalizing chipset. ME: Host Firmware Status Register 1 : 0x90000245 ME: Host Firmware Status Register 2 : 0x6B000306 ME: Host Firmware Status Register 3 : 0x00000020 ME: Host Firmware Status Register 4 : 0x00084000 ME: Host Firmware Status Register 5 : 0x00000000 ME: Host Firmware Status Register 6 : 0x40000002 ME: FW Partition Table : OK ME: Bringup Loader Failure : NO ME: Firmware Init Complete : YES ME: Manufacturing Mode : NO ME: Boot Options Present : NO ME: Update In Progress : NO ME: D3 Support : NO ME: D0i3 Support : YES ME: Low Power State Enabled : YES ME: CPU Replaced : NO ME: CPU Replacement Valid : YES ME: Current Working State : Normal ME: Current Operation State : M0 with UMA ME: Current Operation Mode : Normal ME: Error Code : No Error ME: Progress Phase : Host Communication ME: Power Management Event : Power cycle reset through Moff ME: Progress Phase State : Host communication established ME: Power Down Mitigation : NO ME: FPF status : fused Clearing MCA. Finalizing SMM. BS: BS_PAYLOAD_LOAD times (us): entry 605 run 260216 exit 135331 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 7914919/tftp-deploy-7b8rtl6_/kernel/bzImage 7914919/tftp-deploy-7b8rtl6_/kernel/cmdline 7914919/tftp-deploy-7b8rtl6_/ramdisk/ramdisk.cpio.gz tftpboot 192.168.201.1 7914919/tftp-deploy-7b8rtl6_/kernel/bzImoy-7b8rtl6_/kernel/cmdline 7914919/tftp-deploy-7b8rtl6_/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:78:7f:da Sending DHCP discover... done. Waiting for reply... done. Sending DHCP request... done. Waiting for reply... done. My ip is 192.168.201.17 The DHCP server ip is 192.168.201.1 TFTP server IP predefined by user: 192.168.201.1 Bootfile predefined by user: 7914919/tftp-deploy-7b8rtl6_/kernel/bzImage Sending tftp read request... done. Waiting for the transfer... 00000000 ################################################################ 00080000 ################################################################ 00100000 ################################################################ 00180000 ################################################################ 00200000 ################################################################ 00280000 ################################################################ 00300000 ################################################################ 00380000 ################################################################ 00400000 ################################################################ 00480000 ################################################################ 00500000 ################################################################ 00580000 ################################################################ 00600000 ################################################################ 00680000 ################################################################ 00700000 ################################################################ 00780000 ################################################################ 00800000 ################################################################ 00880000 ################################################################ 00900000 ################################################################ 00980000 ################################################################ 00a00000 ################################################################ 00a80000 ################################################################ 00b00000 ################################################################ 00b80000 ################################################################ 00c00000 ################################################################ 00c80000 ################################################################ 00d00000 ############################### done. The bootfile was 13877856 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: 7914919/tftp-deploy-7b8rtl6_/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/7914919/extract-nfsrootfs-1knb36og,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: 18925818 Starting kernel ... [ 0.000000] Linux version 5.10.153-cip19 (KernelCI@build-j478926-x86-64-gcc-10-x86-64-defconfig-x86-chromeboo24jqc) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Wed Nov 9 10:32:49 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/7914919/extract-nfsrootfs-1knb36og,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 [ 0.000046] last_pfn = 0x17f000 max_arch_pfn = 0x400000000 [ 0.001172] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.006019] last_pfn = 0x7a998 max_arch_pfn = 0x400000000 [ 0.020274] check: Scanning 1 areas for low memory corruption [ 0.020285] Using GB pages for direct mapping [ 0.020718] RAMDISK: [mem 0x377c5000-0x37ffffff] [ 0.020725] ACPI: Early table checksum verification disabled [ 0.020732] ACPI: RSDP 0x00000000000F0000 000024 (v02 CORE ) [ 0.020743] ACPI: XSDT 0x000000007AA9A0E0 00006C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.020757] ACPI: FACP 0x000000007AA9E970 0000F4 (v04 CORE COREBOOT 00000000 CORE 00000000) [ 0.020770] ACPI: DSDT 0x000000007AA9A280 0046E3 (v05 COREv4 COREBOOT 20110725 INTL 20180531) [ 0.020781] ACPI: FACS 0x000000007AA9A240 000040 [ 0.020790] ACPI: FACS 0x000000007AA9A240 000040 [ 0.020800] ACPI: SSDT 0x000000007AA9EA70 000EFA (v02 CORE COREBOOT 0000002A CORE 0000002A) [ 0.020810] ACPI: MCFG 0x000000007AA9F970 00003C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.020820] ACPI: TPM2 0x000000007AA9F9B0 000040 (v04 CORE COREBOOT 00000000 CORE 00000000) [ 0.020830] ACPI: APIC 0x000000007AA9F9F0 00006C (v02 CORE COREBOOT 00000000 CORE 00000000) [ 0.020840] ACPI: NHLT 0x000000007AA9FA60 001B1C (v05 GOOGLE RAMMUS 00000000 CORE 00000000) [ 0.020850] ACPI: DMAR 0x000000007AAA1580 000088 (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.020860] ACPI: DBG2 0x000000007AAA3610 000061 (v00 CORE COREBOOT 00000000 CORE 00000000) [ 0.020870] ACPI: HPET 0x000000007AAA3680 000038 (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.020880] ACPI: Reserving FACP table memory at [mem 0x7aa9e970-0x7aa9ea63] [ 0.020884] ACPI: Reserving DSDT table memory at [mem 0x7aa9a280-0x7aa9e962] [ 0.020888] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] [ 0.020892] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] [ 0.020896] ACPI: Reserving SSDT table memory at [mem 0x7aa9ea70-0x7aa9f969] [ 0.020900] ACPI: Reserving MCFG table memory at [mem 0x7aa9f970-0x7aa9f9ab] [ 0.020904] ACPI: Reserving TPM2 table memory at [mem 0x7aa9f9b0-0x7aa9f9ef] [ 0.020908] ACPI: Reserving APIC table memory at [mem 0x7aa9f9f0-0x7aa9fa5b] [ 0.020912] ACPI: Reserving NHLT table memory at [mem 0x7aa9fa60-0x7aaa157b] [ 0.020915] ACPI: Reserving DMAR table memory at [mem 0x7aaa1580-0x7aaa1607] [ 0.020919] ACPI: Reserving DBG2 table memory at [mem 0x7aaa3610-0x7aaa3670] [ 0.020923] ACPI: Reserving HPET table memory at [mem 0x7aaa3680-0x7aaa36b7] [ 0.021054] No NUMA configuration found [ 0.021058] Faking a node at [mem 0x0000000000000000-0x000000017effffff] [ 0.021066] NODE_DATA(0) allocated [mem 0x17effc000-0x17effffff] [ 0.021103] Zone ranges: [ 0.021108] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.021114] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.021120] Normal [mem 0x0000000100000000-0x000000017effffff] [ 0.021126] Movable zone start for each node [ 0.021130] Early memory node ranges [ 0.021134] node 0: [mem 0x0000000000001000-0x000000000009ffff] [ 0.021138] node 0: [mem 0x0000000000100000-0x000000007a997fff] [ 0.021142] node 0: [mem 0x0000000100000000-0x000000017effffff] [ 0.021148] Initmem setup node 0 [mem 0x0000000000001000-0x000000017effffff] [ 0.021177] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.021231] On node 0, zone DMA: 96 pages in unavailable ranges [ 0.031160] On node 0, zone Normal: 22120 pages in unavailable ranges [ 0.031217] On node 0, zone Normal: 4096 pages in unavailable ranges [ 0.031240] Reserving Intel graphics memory at [mem 0x7c000000-0x7fffffff] [ 0.031585] ACPI: PM-Timer IO Port: 0x1808 [ 0.031635] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-119 [ 0.031646] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 0.031651] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.031663] Using ACPI (MADT) for SMP configuration information [ 0.031668] ACPI: HPET id: 0x8086a701 base: 0xfed00000 [ 0.031674] TSC deadline timer available [ 0.031678] smpboot: Allowing 4 CPUs, 0 hotplug CPUs [ 0.031701] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.031706] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000fffff] [ 0.031711] PM: hibernation: Registered nosave memory: [mem 0x7a998000-0x7affffff] [ 0.031714] PM: hibernation: Registered nosave memory: [mem 0x7b000000-0x7fffffff] [ 0.031718] PM: hibernation: Registered nosave memory: [mem 0x80000000-0xdfffffff] [ 0.031721] PM: hibernation: Registered nosave memory: [mem 0xe0000000-0xe3ffffff] [ 0.031724] PM: hibernation: Registered nosave memory: [mem 0xe4000000-0xfdffffff] [ 0.031728] PM: hibernation: Registered nosave memory: [mem 0xfe000000-0xfe00ffff] [ 0.031731] PM: hibernation: Registered nosave memory: [mem 0xfe010000-0xfed0ffff] [ 0.031735] PM: hibernation: Registered nosave memory: [mem 0xfed10000-0xfed19fff] [ 0.031738] PM: hibernation: Registered nosave memory: [mem 0xfed1a000-0xfed7ffff] [ 0.031741] PM: hibernation: Registered nosave memory: [mem 0xfed80000-0xfed84fff] [ 0.031745] PM: hibernation: Registered nosave memory: [mem 0xfed85000-0xfed8ffff] [ 0.031748] PM: hibernation: Registered nosave memory: [mem 0xfed90000-0xfed91fff] [ 0.031752] PM: hibernation: Registered nosave memory: [mem 0xfed92000-0xffffffff] [ 0.031758] [mem 0x80000000-0xdfffffff] available for PCI devices [ 0.031764] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns [ 0.042700] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:4 nr_node_ids:1 [ 0.042920] percpu: Embedded 59 pages/cpu s200848 r8192 d32624 u524288 [ 0.042984] Built 1 zonelists, mobility grouping on. Total pages: 1006266 [ 0.042988] Policy zone: Normal [ 0.042999] 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/7914919/extract-nfsrootfs-1knb36og,tcp,hard ip=dhcp tftpserverip=192.168.201.1 [ 0.043407] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) [ 0.043597] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear) [ 0.043669] mem auto-init: stack:off, heap alloc:off, heap free:off [ 0.062208] Memory: 3888364K/4089052K available (18450K kernel code, 3459K rwdata, 6776K rodata, 2028K init, 13308K bss, 200428K reserved, 0K cma-reserved) [ 0.062347] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 [ 0.062401] Kernel/User page tables isolation: enabled [ 0.062474] ftrace: allocating 52769 entries in 207 pages [ 0.109986] ftrace: allocated 207 pages with 6 groups [ 0.110230] Running RCU self tests [ 0.110244] rcu: Hierarchical RCU implementation. [ 0.110247] rcu: RCU event tracing is enabled. [ 0.110251] rcu: RCU lockdep checking is enabled. [ 0.110255] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=4. [ 0.110259] Rude variant of Tasks RCU enabled. [ 0.110263] Tracing variant of Tasks RCU enabled. [ 0.110267] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies. [ 0.110271] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 [ 0.119166] NR_IRQS: 4352, nr_irqs: 1024, preallocated irqs: 16 [ 0.119587] random: crng init done [ 0.119682] Console: colour dummy device 80x25 [ 0.194819] printk: console [ttyS0] enabled [ 0.195187] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.195848] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.196208] ... MAX_LOCK_DEPTH: 48 [ 0.196575] ... MAX_LOCKDEP_KEYS: 8192 [ 0.196956] ... CLASSHASH_SIZE: 4096 [ 0.197332] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.197721] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.198104] ... CHAINHASH_SIZE: 32768 [ 0.198487] memory used by lock dependency info: 6365 kB [ 0.198954] memory used for stack traces: 4224 kB [ 0.199366] per task-struct memory footprint: 1920 bytes [ 0.199881] ACPI: Core revision 20200925 [ 0.200425] hpet: HPET dysfunctional in PC10. Force disabled. [ 0.200925] APIC: Switch to symmetric I/O mode setup [ 0.205358] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x170fff30cc4, max_idle_ns: 440795237869 ns [ 0.206272] Calibrating delay loop (skipped), value calculated using timer frequency.. 3199.92 BogoMIPS (lpj=1599960) [ 0.207176] pid_max: default: 32768 minimum: 301 [ 0.207257] LSM: Security Framework initializing [ 0.207257] SELinux: Initializing. [ 0.207257] LSM support for eBPF active [ 0.207257] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.207257] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.207257] mce: CPU0: Thermal monitoring enabled (TM1) [ 0.207257] process: using mwait in idle threads [ 0.207257] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8 [ 0.207257] Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4 [ 0.207257] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 0.207257] Spectre V2 : Mitigation: IBRS [ 0.207257] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 0.207257] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB on VMEXIT [ 0.207257] RETBleed: Mitigation: IBRS [ 0.207257] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier [ 0.207257] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl and seccomp [ 0.207257] MDS: Vulnerable: Clear CPU buffers attempted, no microcode [ 0.207257] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode [ 0.207257] SRBDS: Vulnerable: No microcode [ 0.207257] ------------[ cut here ]------------ [ 0.207257] missing return thunk: lkdtm_rodata_do_nothing+0x0/0x10-lkdtm_rodata_do_nothing+0x5/0x10: e9 00 00 00 00 [ 0.207257] WARNING: CPU: 0 PID: 0 at arch/x86/kernel/alternative.c:712 apply_returns+0x1f5/0x220 [ 0.207257] Modules linked in: [ 0.207257] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.10.153-cip19 #1 [ 0.207257] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 0.207257] RIP: 0010:apply_returns+0x1f5/0x220 [ 0.207257] Code: e4 01 00 0f 85 e1 fe ff ff 49 89 e8 b9 05 00 00 00 4c 89 f2 48 89 ee 48 c7 c7 e0 1c cc a5 c6 05 c6 4b e4 01 01 e8 c6 a9 e5 00 <0f> 0b e9 b9 fe ff ff 44 89 f9 c7 00 cc cc cc cc c7 44 08 fc cc cc [ 0.207257] RSP: 0000:ffffffffa6003de0 EFLAGS: 00010282 [ 0.207257] RAX: 0000000000000000 RBX: ffffffffa6ad2bdc RCX: 0000000000000000 [ 0.207257] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffa457a891 [ 0.207257] RBP: ffffffffa599c200 R08: 0000000000000001 R09: 0000000000000001 [ 0.207257] R10: ffffffffa608fbc0 R11: 3fffffffffffffff R12: ffffffffa6ae9dcc [ 0.207257] R13: cccccccccccccccc R14: ffffffffa599c205 R15: 0000000000000004 [ 0.207257] FS: 0000000000000000(0000) GS:ffff9c7bbac00000(0000) knlGS:0000000000000000 [ 0.207257] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 0.207257] CR2: ffff9c7b48401000 CR3: 0000000106c26001 CR4: 00000000003706f0 [ 0.207257] Call Trace: [ 0.207257] alternative_instructions+0x7d/0x143 [ 0.207257] check_bugs+0xedd/0xf39 [ 0.207257] start_kernel+0x517/0x54d [ 0.207257] secondary_startup_64_no_verify+0xc2/0xcb [ 0.207257] irq event stamp: 162093 [ 0.207257] hardirqs last enabled at (162101): [] console_unlock+0x4d1/0x5f0 [ 0.207257] hardirqs last disabled at (162108): [] console_unlock+0x444/0x5f0 [ 0.207257] softirqs last enabled at (1824): [] cgroup_idr_alloc.constprop.0+0x5b/0xe0 [ 0.207257] softirqs last disabled at (1822): [] cgroup_idr_alloc.constprop.0+0x2e/0xe0 [ 0.207257] ---[ end trace 2b9f7943086e2a01 ]--- # [ 0.207257] Freeing SMP alternatives memory: 44K [ 0.207257] smpboot: CPU0: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz (family: 0x6, model: 0x8e, stepping: 0x9) [ 0.207928] Performance Events: PEBS fmt3+, Skylake events, 32-deep LBR, full-width counters, Intel PMU driver. [ 0.208272] ... version: 4 [ 0.208629] ... bit width: 48 [ 0.208990] ... generic registers: 4 [ 0.209264] ... value mask: 0000ffffffffffff [ 0.209727] ... max period: 00007fffffffffff [ 0.210189] ... fixed-purpose events: 3 [ 0.210264] ... event mask: 000000070000000f [ 0.211245] rcu: Hierarchical SRCU implementation. [ 0.213157] smp: Bringing up secondary CPUs ... [ 0.214008] x86: Booting SMP configuration: [ 0.214279] .... node #0, CPUs: #1 [ 0.215314] 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. [ 0.216286] 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. [ 0.217957] #2 #3 [ 0.220060] smp: Brought up 1 node, 4 CPUs [ 0.220626] smpboot: Max logical packages: 1 [ 0.221004] smpboot: Total of 4 processors activated (12799.68 BogoMIPS) [ 0.223617] devtmpfs: initialized [ 0.224367] x86/mm: Memory block size: 128MB [ 0.228444] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns [ 0.229279] futex hash table entries: 1024 (order: 5, 131072 bytes, linear) [ 0.230283] pinctrl core: initialized pinctrl subsystem [ 0.231099] PM: RTC time: 10:45:02, date: 2022-11-09 [ 0.231780] NET: Registered protocol family 16 [ 0.232899] audit: initializing netlink subsys (disabled) [ 0.233307] audit: type=2000 audit(1667990701.027:1): state=initialized audit_enabled=0 res=1 [ 0.233975] thermal_sys: Registered thermal governor 'step_wise' [ 0.234045] thermal_sys: Registered thermal governor 'user_space' [ 0.234341] cpuidle: using governor menu [ 0.235409] ACPI: bus type PCI registered [ 0.236114] PCI: MMCONFIG for domain 0000 [bus 00-3f] at [mem 0xe0000000-0xe3ffffff] (base 0xe0000000) [ 0.236272] PCI: MMCONFIG at [mem 0xe0000000-0xe3ffffff] reserved in E820 [ 0.236889] PCI: Using configuration type 1 for base access [ 0.260489] Kprobes globally optimized [ 0.260860] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 0.261278] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 0.262033] cryptomgr_test (38) used greatest stack depth: 14880 bytes left [ 0.264576] ACPI: Added _OSI(Module Device) [ 0.264950] ACPI: Added _OSI(Processor Device) [ 0.265266] ACPI: Added _OSI(3.0 _SCP Extensions) [ 0.265681] ACPI: Added _OSI(Processor Aggregator Device) [ 0.266154] ACPI: Added _OSI(Linux-Dell-Video) [ 0.266266] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 0.266733] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 0.280023] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 0.289519] ACPI: EC: EC started [ 0.289829] ACPI: EC: interrupt blocked [ 0.290962] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.291268] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC used to handle transactions [ 0.291905] ACPI: Interpreter enabled [ 0.292294] ACPI: (supports S0 S3 S4 S5) [ 0.292645] ACPI: Using IOAPIC for interrupt routing [ 0.293157] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 0.311100] ACPI: Power Resource [PRIC] (on) [ 0.439393] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 0.439940] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] [ 0.441577] acpi PNP0A08:00: _OSC: OS now controls [PME PCIeCapability LTR] [ 0.442244] acpi PNP0A08:00: [Firmware Info]: MMCONFIG for domain 0000 [bus 00-3f] only partially covers this bridge [ 0.443905] PCI host bridge to bus 0000:00 [ 0.444268] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 0.444857] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 0.445265] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 0.445911] pci_bus 0000:00: root bus resource [mem 0x000c0000-0x000c3fff window] [ 0.446265] pci_bus 0000:00: root bus resource [mem 0x000c4000-0x000c7fff window] [ 0.446910] pci_bus 0000:00: root bus resource [mem 0x000c8000-0x000cbfff window] [ 0.447268] pci_bus 0000:00: root bus resource [mem 0x000cc000-0x000cffff window] [ 0.447914] pci_bus 0000:00: root bus resource [mem 0x000d0000-0x000d3fff window] [ 0.449266] pci_bus 0000:00: root bus resource [mem 0x000d4000-0x000d7fff window] [ 0.449912] pci_bus 0000:00: root bus resource [mem 0x000d8000-0x000dbfff window] [ 0.450265] pci_bus 0000:00: root bus resource [mem 0x000dc000-0x000dffff window] [ 0.450910] pci_bus 0000:00: root bus resource [mem 0x000e0000-0x000e3fff window] [ 0.451265] pci_bus 0000:00: root bus resource [mem 0x000e4000-0x000e7fff window] [ 0.451910] pci_bus 0000:00: root bus resource [mem 0x000e8000-0x000ebfff window] [ 0.453266] pci_bus 0000:00: root bus resource [mem 0x000ec000-0x000effff window] [ 0.453911] pci_bus 0000:00: root bus resource [mem 0x000f0000-0x000fffff window] [ 0.454265] pci_bus 0000:00: root bus resource [mem 0x80000001-0xdfffffff window] [ 0.454910] pci_bus 0000:00: root bus resource [mem 0x800000000-0xbffffffff window] [ 0.455265] pci_bus 0000:00: root bus resource [mem 0xfd000000-0xfe7fffff window] [ 0.455910] pci_bus 0000:00: root bus resource [mem 0xfed40000-0xfed44fff window] [ 0.457269] pci_bus 0000:00: root bus resource [bus 00-ff] [ 0.457833] pci 0000:00:00.0: [8086:590c] type 00 class 0x060000 [ 0.459329] pci 0000:00:02.0: [8086:591c] type 00 class 0x030000 [ 0.459874] pci 0000:00:02.0: reg 0x10: [mem 0xd0000000-0xd0ffffff 64bit] [ 0.460278] pci 0000:00:02.0: reg 0x18: [mem 0xc0000000-0xcfffffff 64bit pref] [ 0.460910] pci 0000:00:02.0: reg 0x20: [io 0x1c00-0x1c3f] [ 0.461940] pci 0000:00:04.0: [8086:1903] type 00 class 0x118000 [ 0.462289] pci 0000:00:04.0: reg 0x10: [mem 0xd1120000-0xd1127fff 64bit] [ 0.463678] pci 0000:00:08.0: [8086:1911] type 00 class 0x088000 [ 0.464224] pci 0000:00:08.0: reg 0x10: [mem 0xd1130000-0xd1130fff 64bit] [ 0.465958] pci 0000:00:14.0: [8086:9d2f] type 00 class 0x0c0330 [ 0.466302] pci 0000:00:14.0: reg 0x10: [mem 0xd1100000-0xd110ffff 64bit] [ 0.467028] pci 0000:00:14.0: PME# supported from D3hot D3cold [ 0.468070] pci 0000:00:14.2: [8086:9d31] type 00 class 0x118000 [ 0.468302] pci 0000:00:14.2: reg 0x10: [mem 0xd1131000-0xd1131fff 64bit] [ 0.469607] pci 0000:00:15.0: [8086:9d60] type 00 class 0x118000 [ 0.470165] pci 0000:00:15.0: reg 0x10: [mem 0xd1132000-0xd1132fff 64bit] [ 0.472140] pci 0000:00:15.1: [8086:9d61] type 00 class 0x118000 [ 0.472310] pci 0000:00:15.1: reg 0x10: [mem 0xd1133000-0xd1133fff 64bit] [ 0.473787] pci 0000:00:19.0: [8086:9d66] type 00 class 0x118000 [ 0.474310] pci 0000:00:19.0: reg 0x10: [mem 0xfe034000-0xfe034fff 64bit] [ 0.474920] pci 0000:00:19.0: reg 0x18: [mem 0xd1135000-0xd1135fff 64bit] [ 0.477111] pci 0000:00:19.1: [8086:9d65] type 00 class 0x118000 [ 0.477309] pci 0000:00:19.1: reg 0x10: [mem 0xd1136000-0xd1136fff 64bit] [ 0.478784] pci 0000:00:1c.0: [8086:9d10] type 01 class 0x060400 [ 0.479461] pci 0000:00:1c.0: PME# supported from D0 D3hot D3cold [ 0.480795] pci 0000:00:1e.0: [8086:9d27] type 00 class 0x118000 [ 0.481310] pci 0000:00:1e.0: reg 0x10: [mem 0xd1137000-0xd1137fff 64bit] [ 0.482758] pci 0000:00:1e.2: [8086:9d29] type 00 class 0x118000 [ 0.483310] pci 0000:00:1e.2: reg 0x10: [mem 0xd1138000-0xd1138fff 64bit] [ 0.484761] pci 0000:00:1e.4: [8086:9d2b] type 00 class 0x080501 [ 0.485303] pci 0000:00:1e.4: reg 0x10: [mem 0xd1139000-0xd1139fff 64bit] [ 0.486885] pci 0000:00:1e.6: [8086:9d2d] type 00 class 0x080501 [ 0.487306] pci 0000:00:1e.6: reg 0x10: [mem 0xd113a000-0xd113afff 64bit] [ 0.488772] pci 0000:00:1f.0: [8086:9d4b] type 00 class 0x060100 [ 0.490143] pci 0000:00:1f.2: [8086:9d21] type 00 class 0x058000 [ 0.491298] pci 0000:00:1f.2: reg 0x10: [mem 0xd1128000-0xd112bfff] [ 0.492691] pci 0000:00:1f.3: [8086:9d71] type 00 class 0x040100 [ 0.493249] pci 0000:00:1f.3: reg 0x10: [mem 0xd112c000-0xd112ffff 64bit] [ 0.493325] pci 0000:00:1f.3: reg 0x20: [mem 0xd1110000-0xd111ffff 64bit] [ 0.494016] pci 0000:00:1f.3: PME# supported from D3hot D3cold [ 0.495124] pci 0000:00:1f.4: [8086:9d23] type 00 class 0x0c0500 [ 0.496332] pci 0000:00:1f.4: reg 0x10: [mem 0xd113c000-0xd113c0ff 64bit] [ 0.496991] pci 0000:00:1f.4: reg 0x20: [io 0xefa0-0xefbf] [ 0.498090] pci 0000:00:1f.5: [8086:9d24] type 00 class 0x000000 [ 0.498298] pci 0000:00:1f.5: reg 0x10: [mem 0xfe010000-0xfe010fff] [ 0.499971] pci 0000:01:00.0: [8086:095a] type 00 class 0x028000 [ 0.501514] pci 0000:01:00.0: reg 0x10: [mem 0xd1000000-0xd1001fff 64bit] [ 0.503179] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold [ 0.505058] pci 0000:00:1c.0: PCI bridge to [bus 01] [ 0.505282] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] [ 0.507321] ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.508298] ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 *10 12 14 15) [ 0.509223] ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.510168] ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.511578] ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.512521] ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.513465] ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.514412] ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.521433] ACPI: EC: interrupt unblocked [ 0.521801] ACPI: EC: event unblocked [ 0.522147] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.522265] ACPI: EC: GPE=0x6e [ 0.522547] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC initialization complete [ 0.523158] ACPI: \_SB_.PCI0.LPCB.EC0_: EC: Used to handle transactions and events [ 0.524714] iommu: Default domain type: Translated [ 0.525501] pci 0000:00:02.0: vgaarb: setting as boot VGA device [ 0.525887] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 0.526290] pci 0000:00:02.0: vgaarb: bridge control possible [ 0.526792] vgaarb: loaded [ 0.527620] SCSI subsystem initialized [ 0.528515] ACPI: bus type USB registered [ 0.529403] usbcore: registered new interface driver usbfs [ 0.529943] usbcore: registered new interface driver hub [ 0.530307] usbcore: registered new device driver usb [ 0.530880] pps_core: LinuxPPS API ver. 1 registered [ 0.531264] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 0.532056] PTP clock support registered [ 0.532515] Advanced Linux Sound Architecture Driver Initialized. [ 0.534299] NetLabel: Initializing [ 0.534607] NetLabel: domain hash size = 128 [ 0.534991] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 0.535338] NetLabel: unlabeled traffic allowed by default [ 0.535913] PCI: Using ACPI for IRQ routing [ 0.544022] clocksource: Switched to clocksource tsc-early [ 0.927978] VFS: Disk quotas dquot_6.6.0 [ 0.928396] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 0.929390] pnp: PnP ACPI init [ 0.930487] system 00:00: [mem 0xfed10000-0xfed17fff] has been reserved [ 0.931066] system 00:00: [mem 0xfed18000-0xfed18fff] has been reserved [ 0.931662] system 00:00: [mem 0xfed19000-0xfed19fff] has been reserved [ 0.932240] system 00:00: [mem 0xe0000000-0xe3ffffff] has been reserved [ 0.932832] system 00:00: [mem 0xfed20000-0xfed3ffff] has been reserved [ 0.933428] system 00:00: [mem 0xfed90000-0xfed93fff] could not be reserved [ 0.934033] system 00:00: [mem 0xfed45000-0xfed8ffff] could not be reserved [ 0.934654] system 00:00: [mem 0xff000000-0xffffffff] has been reserved [ 0.935230] system 00:00: [mem 0xfee00000-0xfeefffff] has been reserved [ 0.935822] system 00:00: [mem 0xfed00000-0xfed003ff] has been reserved [ 0.937358] system 00:01: [io 0x1800-0x18fe] has been reserved [ 0.938257] system 00:03: [io 0x0900-0x09fe] has been reserved [ 0.939042] system 00:04: [io 0x0200] has been reserved [ 0.939531] system 00:04: [io 0x0204] has been reserved [ 0.940000] system 00:04: [io 0x0800-0x087f] has been reserved [ 0.940535] system 00:04: [io 0x0880-0x08ff] has been reserved [ 0.943925] pnp: PnP ACPI: found 6 devices [ 0.958221] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 0.959126] NET: Registered protocol family 2 [ 0.959664] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear) [ 0.961762] tcp_listen_portaddr_hash hash table entries: 2048 (order: 5, 163840 bytes, linear) [ 0.962733] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear) [ 0.963618] TCP bind hash table entries: 32768 (order: 9, 2359296 bytes, linear) [ 0.965925] TCP: Hash tables configured (established 32768 bind 32768) [ 0.966800] MPTCP token hash table entries: 4096 (order: 6, 360448 bytes, linear) [ 0.967705] UDP hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 0.968543] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 0.969540] NET: Registered protocol family 1 [ 0.970604] RPC: Registered named UNIX socket transport module. [ 0.971142] RPC: Registered udp transport module. [ 0.971580] RPC: Registered tcp transport module. [ 0.971995] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 0.973086] NET: Registered protocol family 44 [ 0.973516] pci 0000:00:1c.0: PCI bridge to [bus 01] [ 0.973968] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] [ 0.974586] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 0.975121] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 0.975668] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 0.976328] pci_bus 0000:00: resource 7 [mem 0x000c0000-0x000c3fff window] [ 0.976923] pci_bus 0000:00: resource 8 [mem 0x000c4000-0x000c7fff window] [ 0.977530] pci_bus 0000:00: resource 9 [mem 0x000c8000-0x000cbfff window] [ 0.978126] pci_bus 0000:00: resource 10 [mem 0x000cc000-0x000cffff window] [ 0.978739] pci_bus 0000:00: resource 11 [mem 0x000d0000-0x000d3fff window] [ 0.979356] pci_bus 0000:00: resource 12 [mem 0x000d4000-0x000d7fff window] [ 0.979959] pci_bus 0000:00: resource 13 [mem 0x000d8000-0x000dbfff window] [ 0.980572] pci_bus 0000:00: resource 14 [mem 0x000dc000-0x000dffff window] [ 0.981175] pci_bus 0000:00: resource 15 [mem 0x000e0000-0x000e3fff window] [ 0.981788] pci_bus 0000:00: resource 16 [mem 0x000e4000-0x000e7fff window] [ 0.982405] pci_bus 0000:00: resource 17 [mem 0x000e8000-0x000ebfff window] [ 0.983008] pci_bus 0000:00: resource 18 [mem 0x000ec000-0x000effff window] [ 0.983623] pci_bus 0000:00: resource 19 [mem 0x000f0000-0x000fffff window] [ 0.984226] pci_bus 0000:00: resource 20 [mem 0x80000001-0xdfffffff window] [ 0.984842] pci_bus 0000:00: resource 21 [mem 0x800000000-0xbffffffff window] [ 0.985473] pci_bus 0000:00: resource 22 [mem 0xfd000000-0xfe7fffff window] [ 0.986076] pci_bus 0000:00: resource 23 [mem 0xfed40000-0xfed44fff window] [ 0.986691] pci_bus 0000:01: resource 1 [mem 0xd1000000-0xd10fffff] [ 0.987701] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 0.990472] PCI: CLS 64 bytes, default 64 [ 0.991189] Unpacking initramfs... [ 1.253828] Freeing initrd memory: 8428K [ 1.254336] DMAR: Host address width 39 [ 1.254726] DMAR: DRHD base: 0x000000fed90000 flags: 0x0 [ 1.255249] DMAR: dmar0: reg_base_addr fed90000 ver 1:0 cap 1c0000c40660462 ecap 19e2ff0505e [ 1.256018] DMAR: RMRR base: 0x0000007b800000 end: 0x0000007fffffff [ 1.256579] DMAR: DRHD base: 0x000000fed91000 flags: 0x1 [ 1.257062] DMAR: dmar1: reg_base_addr fed91000 ver 1:0 cap d2008c40660462 ecap f050da [ 1.257846] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 1.258421] software IO TLB: mapped [mem 0x0000000076998000-0x000000007a998000] (64MB) [ 1.259317] RAPL PMU: API unit is 2^-32 Joules, 5 fixed counters, 655360 ms ovfl timer [ 1.259998] RAPL PMU: hw unit of domain pp0-core 2^-14 Joules [ 1.260573] RAPL PMU: hw unit of domain package 2^-14 Joules [ 1.261066] RAPL PMU: hw unit of domain dram 2^-14 Joules [ 1.261547] RAPL PMU: hw unit of domain pp1-gpu 2^-14 Joules [ 1.262040] RAPL PMU: hw unit of domain psys 2^-14 Joules [ 1.264177] kvm: already loaded the other module [ 1.270907] check: Scanning for low memory corruption every 60 seconds [ 1.274574] Initialise system trusted keyrings [ 1.275202] workingset: timestamp_bits=56 max_order=20 bucket_order=0 [ 1.295070] NFS: Registering the id_resolver key type [ 1.295569] Key type id_resolver registered [ 1.295963] Key type id_legacy registered [ 1.313051] Key type asymmetric registered [ 1.313457] Asymmetric key parser 'x509' registered [ 1.313926] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249) [ 1.314590] io scheduler mq-deadline registered [ 1.314991] io scheduler kyber registered [ 1.315548] test_firmware: interface ready [ 1.317397] pcieport 0000:00:1c.0: PME: Signaling with IRQ 120 [ 1.319156] ACPI: AC Adapter [AC] (on-line) [ 1.319919] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/PNP0C0D:00/input/input0 [ 1.321579] ACPI: Lid Switch [LID0] [ 1.322152] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input1 [ 1.323037] ACPI: Power Button [PWRF] [ 1.323711] ACPI: \_PR_.CP00: Found 3 idle states [ 1.324908] ACPI: \_PR_.CP01: Found 3 idle states [ 1.325953] ACPI: \_PR_.CP02: Found 3 idle states [ 1.326953] ACPI: \_PR_.CP03: Found 3 idle states [ 1.328423] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 1.331891] hpet_acpi_add: no address or irqs in _CRS [ 1.332627] Non-volatile memory driver v1.3 [ 1.333159] Linux agpgart interface v0.103 [ 1.333226] battery: ACPI: Battery Slot [BAT0] (battery present) [ 1.336188] i915 0000:00:02.0: vgaarb: deactivate vga console [ 1.390215] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem [ 1.391762] i915 0000:00:02.0: Direct firmware load for i915/kbl_dmc_ver1_04.bin failed with error -2 [ 1.392936] i915 0000:00:02.0: [drm] Failed to load DMC firmware i915/kbl_dmc_ver1_04.bin. Disabling runtime power management. [ 1.394012] i915 0000:00:02.0: [drm] DMC firmware homepage: https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/tree/i915 [ 1.430562] [drm] Initialized i915 1.6.0 20200917 for 0000:00:02.0 on minor 0 [ 1.434788] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 1 [ 1.455331] loop: module loaded [ 1.456545] lkdtm: No crash points registered, enable through debugfs [ 1.481970] printk: console [ttyS0] disabled [ 1.482581] dw-apb-uart.2: ttyS0 at MMIO 0xfe034000 (irq = 32, base_baud = 115200) is a 16550A [ 2.294881] tsc: Refined TSC clocksource calibration: 1607.999 MHz [ 2.294907] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x172da94f0e2, max_idle_ns: 440795278248 ns [ 2.295066] clocksource: Switched to clocksource tsc [ 4.901238] printk: console [ttyS0] enabled [ 4.901299] fbcon: i915drmfb (fb0) is primary device [ 4.913743] dw-apb-uart.4: ttyS1 at MMIO 0xd1137000 (irq = 20, base_baud = 115200) is a 16550A [ 4.915766] pxa2xx-spi pxa2xx-spi.5: no DMA channels available, using PIO [ 4.923611] e100: Intel(R) PRO/100 Network Driver [ 4.923614] e100: Copyright(c) 1999-2006 Intel Corporation [ 4.923670] e1000: Intel(R) PRO/1000 Network Driver [ 4.923672] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 4.923755] e1000e: Intel(R) PRO/1000 Network Driver [ 4.923757] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 4.923835] sky2: driver version 1.30 [ 4.924127] usbcore: registered new interface driver r8152 [ 4.924582] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 4.924606] ehci-pci: EHCI PCI platform driver [ 4.924672] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 4.924687] ohci-pci: OHCI PCI platform driver [ 4.924753] uhci_hcd: USB Universal Host Controller Interface driver [ 4.925155] tpm_tis_spi spi-PRP0001:00: TPM ready IRQ confirmed on attempt 2 [ 4.925969] xhci_hcd 0000:00:14.0: xHCI Host Controller [ 4.926842] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 1 [ 4.928191] xhci_hcd 0000:00:14.0: hcc params 0x200077c1 hci version 0x100 quirks 0x0000000081109810 [ 4.928250] xhci_hcd 0000:00:14.0: cache line size of 64 is not supported [ 4.930353] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10 [ 4.930372] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 4.930376] usb usb1: Product: xHCI Host Controller [ 4.930379] usb usb1: Manufacturer: Linux 5.10.153-cip19 xhci-hcd [ 4.930383] usb usb1: SerialNumber: 0000:00:14.0 [ 4.931987] hub 1-0:1.0: USB hub found [ 4.932136] hub 1-0:1.0: 12 ports detected [ 4.936435] xhci_hcd 0000:00:14.0: xHCI Host Controller [ 4.936902] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 2 [ 4.936917] xhci_hcd 0000:00:14.0: Host supports USB 3.0 SuperSpeed [ 4.937107] Console: switching to colour frame buffer device 240x67 [ 4.937329] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.10 [ 4.937337] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 4.937341] usb usb2: Product: xHCI Host Controller [ 4.937344] usb usb2: Manufacturer: Linux 5.10.153-cip19 xhci-hcd [ 4.937347] usb usb2: SerialNumber: 0000:00:14.0 [ 4.938507] hub 2-0:1.0: USB hub found [ 4.938606] hub 2-0:1.0: 6 ports detected [ 4.940703] usbcore: registered new interface driver usblp [ 4.940781] usbcore: registered new interface driver usb-storage [ 4.941244] udc-core: couldn't find an available UDC - added [g_ether] to list of pending drivers [ 4.941418] i8042: PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1 [ 4.941421] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp [ 4.942109] i8042: Warning: Keylock active [ 4.942371] serio: i8042 KBD port at 0x60,0x64 irq 1 [ 4.944545] rtc_cmos 00:02: RTC can wake from S4 [ 4.947326] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input2 [ 4.947859] tpm_tis_spi spi-PRP0001:00: 2.0 TPM (device-id 0x28, rev-id 0) [ 4.948839] rtc_cmos 00:02: registered as rtc0 [ 4.949382] rtc_cmos 00:02: alarms up to one month, 242 bytes nvram [ 4.950530] i801_smbus 0000:00:1f.4: SPD Write Disable is set [ 4.950576] i801_smbus 0000:00:1f.4: SMBus using PCI interrupt [ 4.951650] i2c i2c-9: 2/2 memory slots populated (from DMI) [ 4.953347] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com [ 4.953393] intel_pstate: Intel P-state driver initializing [ 4.954248] intel_pstate: HWP enabled [ 4.954314] sdhci: Secure Digital Host Controller Interface driver [ 4.954316] sdhci: Copyright(c) Pierre Ossman [ 4.954352] sdhci-pci 0000:00:1e.4: SDHCI controller found [8086:9d2b] (rev 21) [ 4.959215] i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device [ 4.966282] mmc0: SDHCI controller on PCI [0000:00:1e.4] using ADMA 64-bit [ 5.184332] usb 1-3: new full-speed USB device number 2 using xhci_hcd [ 5.188832] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.258530] 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 [ 5.262483] hid: raw HID events driver (C) Jiri Kosina [ 5.324488] usb 1-3: New USB device found, idVendor=8087, idProduct=0a2a, bcdDevice= 0.03 [ 5.330574] usbcore: registered new interface driver usbhid [ 5.336311] usb 1-3: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 5.340410] usbhid: USB HID core driver [ 5.340902] input: Tablet Mode Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/GOOG0006:00/input/input3 [ 5.390204] mmc0: new HS400 MMC card at address 0001 [ 5.395850] cros_ec_lpcs GOOG0004:00: Chrome EC device registered [ 5.404540] mmcblk0: mmc0:0001 DA4064 58.2 GiB [ 5.410326] snd_hda_intel 0000:00:1f.3: DSP detected with PCI class/subclass/prog-if info 0x040100 [ 5.423757] mmcblk0boot0: mmc0:0001 DA4064 partition 1 4.00 MiB [ 5.426012] ipip: IPv4 and MPLS over IPv4 tunneling driver [ 5.433385] mmcblk0boot1: mmc0:0001 DA4064 partition 2 4.00 MiB [ 5.437335] usb 2-3: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 5.437441] snd_hda_intel 0000:00:1f.3: bound 0000:00:02.0 (ops i915_audio_component_bind_ops) [ 5.449967] usb 2-3: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=31.00 [ 5.449970] usb 2-3: New USB device strings: Mfr=1, Product=2, SerialNumber=6 [ 5.449972] usb 2-3: Product: USB 10/100/1000 LAN [ 5.449974] usb 2-3: Manufacturer: Realtek [ 5.449976] usb 2-3: SerialNumber: 001000001 [ 5.450812] gre: GRE over IPv4 demultiplexor driver [ 5.450858] mmcblk0rpmb: mmc0:0001 DA4064 partition 3 16.0 MiB, chardev (246:0) [ 5.460325] mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12 [ 5.462989] ip_gre: GRE over IPv4 tunneling driver [ 5.464483] IPv4 over IPsec tunneling driver [ 5.563305] usb 1-9: new high-speed USB device number 3 using xhci_hcd [ 5.567392] Initializing XFRM netlink socket [ 5.573880] snd_hda_intel 0000:00:1f.3: Cannot probe codecs, giving up [ 5.577810] NET: Registered protocol family 10 [ 5.602533] Segment Routing with IPv6 [ 5.607205] ip6_gre: GRE over IPv6 tunneling driver [ 5.612993] NET: Registered protocol family 17 [ 5.618222] Key type dns_resolver registered [ 5.626375] microcode: sig=0x806e9, pf=0x10, revision=0x98 [ 5.632571] microcode: Microcode Update Driver: v2.2. [ 5.632591] IPI shorthand broadcast: enabled [ 5.643097] sched_clock: Marking stable (5556344485, 86705817)->(5738582453, -95532151) [ 5.652329] registered taskstats version 1 [ 5.656931] Loading compiled-in X.509 certificates [ 5.664607] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.674369] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.683771] PM: Magic number: 14:3:780 [ 5.688246] block mmcblk0p4: hash matches [ 5.693053] printk: console [netcon0] enabled [ 5.697932] netconsole: network logging started [ 5.729432] usb 1-9: New USB device found, idVendor=13d3, idProduct=56d4, bcdDevice=18.07 [ 5.738602] usb 1-9: New USB device strings: Mfr=3, Product=1, SerialNumber=2 [ 5.746594] usb 1-9: Product: USB2.0 HD UVC WebCam [ 5.751961] usb 1-9: Manufacturer: Azurewave [ 5.756747] usb 1-9: SerialNumber: 0x0001 [ 5.768257] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.815449] usb 2-3: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 5.860017] r8152 2-3:1.0: load rtl8153b-2 v1 10/23/19 successfully [ 5.895842] r8152 2-3:1.0 eth0: v1.11.11 [ 5.900800] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.901380] IP-Config: Failed to open gretap0 [ 5.913915] IP-Config: Failed to open erspan0 [ 5.936491] Sending DHCP requests . [ 7.493631] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready [ 7.504979] r8152 2-3:1.0 eth0: carrier on [ 7.980404] ., OK [ 7.990665] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.17 [ 7.999628] IP-Config: Complete: [ 8.003246] device=eth0, hwaddr=00:e0:4c:78:7f:da, ipaddr=192.168.201.17, mask=255.255.255.0, gw=192.168.201.1 [ 8.014914] host=asus-C433TA-AJ0005-rammus-cbg-3, domain=lava-rack, nis-domain=(none) [ 8.024169] bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath= [ 8.024171] nameserver0=192.168.201.1 [ 8.037067] cfg80211: Loading compiled-in X.509 certificates for regulatory database [ 8.048904] modprobe (99) used greatest stack depth: 14120 bytes left [ 8.052076] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' [ 8.063590] ALSA device list: [ 8.067165] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 [ 8.067278] No soundcards found. [ 8.076874] cfg80211: failed to load regulatory.db [ 8.086575] dw-apb-uart dw-apb-uart.2: forbid DMA for kernel console [ 8.096523] Freeing unused kernel image (initmem) memory: 2028K [ 8.113563] Write protecting the kernel read-only data: 28672k [ 8.121342] Freeing unused kernel image (text/rodata gap) memory: 2028K [ 8.129359] Freeing unused kernel image (rodata/data gap) memory: 1416K [ 8.136879] Run /init as init process Loading, please wait... Starting version 247.3-7+deb11u1 [ 8.159140] systemd-udevd (121) used greatest stack depth: 13800 bytes left [ 8.215165] udevadm (123) used greatest stack depth: 13576 bytes left [ 8.368633] cros-usbpd-notify-acpi GOOG0003:00: Couldn't get Chrome EC device pointer. [ 8.377977] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 8.406788] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 8.463529] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 8.475634] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 8.486037] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 8.503304] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 8.513478] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) Begin: Loading essential drivers ... done. Begin: Running /scripts/init-premount ... done. Begin: Mounting root file system ... Begin: Running /scripts/nfs-top ... done. Begin: Running /scripts/nfs-premount ... done. IP-Config: eth0 hardware address 00:e0:4c:78:7f:da 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: eth0 complete (dhcp from 192.168.201.1): address: 192.168.201.17 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-3 domain : lava-rack rootserver: 192.168.201.1 rootpath: filename : [ 8.705723] 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 [ 9.935817] systemd[1]: systemd 247.3-7+deb11u1 running in system mode. (+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 +ZSTD +SECCOMP +BLKID +ELFUTILS +KMOD +IDN2 -IDN +PCRE2 default-hierarchy=unified) [ 9.973689] systemd[1]: Detected architecture x86-64. Welcome to Debian GNU/Linux 11 (bullseye)! [ 10.003478] systemd[1]: Set hostname to . [ 10.541113] systemd[1]: Queued start job for default target Graphical Interface. [ 10.552476] systemd[1]: Created slice system-getty.slice. [ OK ] Created slice system-getty.slice. [ 10.568973] systemd[1]: Created slice system-modprobe.slice. [ OK ] Created slice system-modprobe.slice. [ 10.584935] systemd[1]: Created slice system-serial\x2dgetty.slice. [ OK ] Created slice system-serial\x2dgetty.slice. [ 10.601884] systemd[1]: Created slice User and Session Slice. [ OK ] Created slice User and Session Slice. [ 10.617832] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [ OK ] Started Dispatch Password …ts to Console Directory Watch. [ 10.636712] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [ OK ] Started Forward Password R…uests to Wall Directory Watch. [ 10.658226] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point. [ OK ] Set up automount Arbitrary…s File System Automount Point. [ 10.678662] systemd[1]: Reached target Local Encrypted Volumes. [ OK ] Reached target Local Encrypted Volumes. [ 10.694565] systemd[1]: Reached target Paths. [ OK ] Reached target Paths. [ 10.705529] systemd[1]: Reached target Remote File Systems. [ OK ] Reached target Remote File Systems. [ 10.721398] systemd[1]: Reached target Slices. [ OK ] Reached target Slices. [ 10.732535] systemd[1]: Reached target Swap. [ OK ] Reached target Swap. [ 10.743841] systemd[1]: Listening on initctl Compatibility Named Pipe. [ OK ] Listening on initctl Compatibility Named Pipe. [ 10.761602] systemd[1]: Listening on Journal Audit Socket. [ OK ] Listening on Journal Audit Socket. [ 10.778722] systemd[1]: Listening on Journal Socket (/dev/log). [ OK ] Listening on Journal Socket (/dev/log). [ 10.794961] systemd[1]: Listening on Journal Socket. [ OK ] Listening on Journal Socket. [ 10.810380] systemd[1]: Listening on Network Service Netlink Socket. [ OK ] Listening on Network Service Netlink Socket. [ 10.828971] systemd[1]: Listening on udev Control Socket. [ OK ] Listening on udev Control Socket. [ 10.844943] systemd[1]: Listening on udev Kernel Socket. [ OK ] Listening on udev Kernel Socket. [ 10.862409] systemd[1]: Mounting Huge Pages File System... Mounting Huge Pages File System... [ 10.879103] systemd[1]: Mounting POSIX Message Queue File System... Mounting POSIX Message Queue File System... [ 10.897212] systemd[1]: Mounting Kernel Debug File System... Mounting Kernel Debug File System... [ 10.915205] systemd[1]: Mounting Kernel Trace File System... Mounting Kernel Trace File System... [ 10.935596] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting Create list of st…odes for the current kernel... [ 10.956023] systemd[1]: Starting Load Kernel Module configfs... Starting Load Kernel Module configfs... [ 10.973347] systemd[1]: Starting Load Kernel Module drm... Starting Load Kernel Module drm... [ 10.991272] systemd[1]: Starting Load Kernel Module fuse... Starting Load Kernel Module fuse... [ 11.029959] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. [ 11.040496] fuse: init (API version 7.32) [ 11.046963] systemd[1]: Starting Journal Service... Starting Journal Service... [ 11.065245] systemd[1]: Starting Load Kernel Modules... Starting Load Kernel Modules... [ 11.080043] systemd[1]: Starting Remount Root and Kernel File Systems... Starting Remount Root and Kernel File Systems... [ 11.099593] systemd[1]: Starting Coldplug All udev Devices... Starting Coldplug All udev Devices... [ 11.116517] systemd[1]: Mounted Huge Pages File System. [ OK ] Mounted Huge Pages File System. [ 11.131709] systemd[1]: Mounted POSIX Message Queue File System. [ OK ] Mounted POSIX Message Queue File System. [ 11.147597] systemd[1]: Mounted Kernel Debug File System. [ OK ] Mounted Kernel Debug File System. [ 11.162556] systemd[1]: Mounted Kernel Trace File System. [ OK ] Mounted Kernel Trace File System. [ 11.179054] systemd[1]: Finished Create list of static device nodes for the current kernel. [ OK ] Finished Create list of st… nodes for the current kernel. [ 11.201536] systemd[1]: modprobe@configfs.service: Succeeded. [ 11.208798] systemd[1]: Finished Load Kernel Module configfs. [ OK ] Finished Load Kernel Module configfs. [ 11.225424] systemd[1]: modprobe@drm.service: Succeeded. [ 11.232164] systemd[1]: Finished Load Kernel Module drm. [ OK ] Finished Load Kernel Module drm. [ 11.248419] systemd[1]: modprobe@fuse.service: Succeeded. [ 11.255080] systemd[1]: Finished Load Kernel Module fuse. [ OK ] Finished Load Kernel Module fuse. [ 11.271934] systemd[1]: Started Journal Service. [ OK ] Started Journal Service. [ OK ] Finished Load Kernel Modules. [ OK ] Finished Remount Root and Kernel File Systems. Mounting FUSE Control File System... Mounting Kernel Configuration File System... Starting Flush Journal to Persistent Storage... Starting Load/Save Random Seed... Starting Apply Kernel Variables... Starting Create System Users... [ 11.367704] systemd-journald[201]: Received client request to flush runtime journal. [ OK ] Mounted FUSE Control File System. [ OK ] Mounted Kernel Configuration File System. [ OK ] Finished Load/Save Random Seed. [ OK ] Finished Apply Kernel Variables. [ OK ] Finished Coldplug All udev Devices. [ OK ] Finished Create System Users. Starting Create Static Device Nodes in /dev... [ OK ] Finished Flush Journal to Persistent Storage. [ 12.890951] systemd-tmpfile (212) used greatest stack depth: 12528 bytes left [ OK ] Finished Create Static Device Nodes in /dev. [ OK ] Reached target Local File Systems (Pre). [ OK ] Reached target Local File Systems. Starting Create Volatile Files and Directories... Starting Rule-based Manage…for Device Events and Files... [ OK ] Started Rule-based Manager for Device Events and Files. Starting Network Service... [ OK ] Finished Create Volatile Files and Directories. Starting Network Time Synchronization... Starting Update UTMP about System Boot/Shutdown... [ OK ] Created slice system-systemd\x2dbacklight.slice. Starting Load/Save Screen …f backlight:intel_backlight... [ OK ] Found device Sunrise Point-LP Serial IO UART Controller. [ OK ] Finished Update UTMP about System Boot/Shutdown. [ OK ] Listening on Load/Save RF …itch Status /dev/rfkill Watch. [ OK ] Finished Load/Save Screen … of backlight:intel_backlight. [ OK ] Started Network Service. Starting Network Name Resolution... [ OK ] Started Network Time Synchronization. [ OK ] Reached target System Initialization. [ OK ] Started Daily Cleanup of Temporary Directories. [ OK ] Reached target System Time Set. [ OK ] Reached target System Time Synchronized. [ OK ] Started Daily apt download activities. [ OK ] Started Daily apt upgrade and clean activities. [ OK ] Started Periodic ext4 Onli…ata Check for All Filesystems. [ OK ] Started Discard unused blocks once a week. [ OK ] Reached target Timers. [ OK ] Listening on D-Bus System Message Bus Socket. [ OK ] Reached target Sockets. [ OK ] Reached target Basic System. [ OK ] Started D-Bus System Message Bus. Starting Remove Stale Onli…t4 Metadata Check Snapshots... Starting User Login Management... [ OK ] Finished Remove Stale Onli…ext4 Metadata Check Snapshots. [ OK ] Started User Login Management. [ OK ] Started Network Name Resolution. [ OK ] Reached target Network. [ OK ] Reached target Host and Network Name Lookups. Starting Permit User Sessions... [ OK ] Finished Permit User Sessions. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttyS0. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Finished Update UTMP about System Runlevel Changes. Debian GNU/Linux 11 debian-bullseye-amd64 ttyS0 debian-bullseye-amd64 login: root (automatic login) Linux debian-bullseye-amd64 5.10.153-cip19 #1 SMP Wed Nov 9 10:32:49 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/7914919/extract-nfsrootfs-1knb36og' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/7914919/extract-nfsrootfs-1knb36og' / # 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-7914919/environment . /lava-7914919/environment / # /lava-7914919/bin/lava-test-runner /lava-7914919/0 /lava-7914919/bin/lava-test-runner /lava-7914919/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-7914919/0/tests/0_timesync-off ++ cat uuid + UUID=7914919_1.5.2.3.1 + set +x + systemctl stop systemd-timesyncd + set +x + export TESTRUN_ID=1_kselftest-lkdtm + TESTRUN_ID=1_kselftest-lkdtm + cd /lava-7914919/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=7914919_1.5.2.3.5 + set +x + cd ./automated/linux/kselftest/ + ./kselftest.sh -c lkdtm -T '' -t kselftest_armhf.tar.gz -s false -u http://storage.kernelci.org/cip/linux-5.10.y-cip/v5.10.153-cip19/x86_64/x86_64_defconfig+x86-chromebook+kselftest/gcc-10/kselftest.tar.xz -L '' -S skipfile-lkft.yaml -b asus-C433TA-AJ0005-rammus -g cip -e '' -p /opt/kselftests/mainline/ INFO: Generating a skipfile based on /lava-7914919/0/tests/1_kselftest-lkdtm/automated/linux/kselftest/skipfile-lkft.yaml INFO: Using the following generated skipfile contents (until EOF): breakpoints:breakpoint_test breakpoints:step_after_suspend_test ftrace:ftracetest net:rtnetlink.sh net:tls netfilter:bridge_brouter.sh netfilter:nft_flowtable.sh netfilter:nft_trans_stress.sh pidfd:pidfd_wait INFO: EOF INFO: Installing sed perl wget xz-utils iproute2 Hit:1 http://deb.debian.org/debian bullseye InRelease Reading package lists... Reading package lists... Building dependency tree... Reading state information... iproute2 is already the newest version (5.10.0-4). perl is already the newest version (5.32.1-4+deb11u2). sed is already the newest version (4.7-1). wget is already the newest version (1.21-1+deb11u1). xz-utils is already the newest version (5.2.5-2.1~deb11u1). 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. --2022-11-09 10:45:38-- http://storage.kernelci.org/cip/linux-5.10.y-cip/v5.10.153-cip19/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: 3595276 (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%[> ] 217.50K 376KB/s kselftest.tar.xz 20%[===> ] 719.00K 794KB/s kselftest.tar.xz 51%[=========> ] 1.77M 1.53MB/s kselftest.tar.xz 63%[===========> ] 2.17M 1.56MB/s kselftest.tar.xz 91%[=================> ] 3.15M 1.97MB/s kselftest.tar.xz 100%[===================>] 3.43M 2.08MB/s in 1.6s 2022-11-09 10:45:40 (2.08 MB/s) - 'kselftest.tar.xz' saved [3595276/3595276] skiplist: ======================================== breakpoints:breakpoint_test breakpoints:step_after_suspend_test ftrace:ftracetest net:rtnetlink.sh net:tls netfilter:bridge_brouter.sh netfilter:nft_flowtable.sh netfilter:nft_trans_stress.sh pidfd:pidfd_wait ======================================== [ 47.761689] kselftest: Running tests in lkdtm TAP version 13 1..70 # selftests: lkdtm: PANIC.sh # Skipping PANIC: crashes entire system ok 1 selftests: lkdtm: PANIC.sh # SKIP # selftests: lkdtm: BUG.sh [ 47.969660] lkdtm: Performing direct entry BUG [ 47.974723] ------------[ cut here ]------------ [ 47.979906] kernel BUG at drivers/misc/lkdtm/bugs.c:76! [ 47.985795] invalid opcode: 0000 [#1] SMP PTI [ 47.990668] CPU: 1 PID: 727 Comm: cat Tainted: G W 5.10.153-cip19 #1 [ 47.999221] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 48.006031] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 48.010406] Code: 89 ff e8 be ae 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 e0 d0 92 02 [ 48.031385] RSP: 0018:ffffad74813e7e60 EFLAGS: 00010286 [ 48.037219] RAX: ffffffffa4cdf430 RBX: 0000000000000001 RCX: 0000000000000000 [ 48.045189] RDX: 0000000000000000 RSI: ffff9c7bbac9bf70 RDI: ffffffffa599bd70 [ 48.053150] RBP: ffffffffa5ddf100 R08: 0000000000000001 R09: 0000000000000001 [ 48.061121] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 48.069091] R13: ffffad74813e7f10 R14: ffffad74813e7f10 R15: ffff9c7b48d52000 [ 48.077062] FS: 00007f61a9af6580(0000) GS:ffff9c7bbac80000(0000) knlGS:0000000000000000 [ 48.086091] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.092509] CR2: 00007f61a98ff000 CR3: 000000010354e002 CR4: 00000000003706e0 [ 48.100480] Call Trace: [ 48.103201] direct_entry.cold+0x2c/0x38 [ 48.107578] full_proxy_write+0x53/0x80 [ 48.111867] vfs_write+0xe7/0x3a0 [ 48.115564] ksys_write+0x68/0xf0 [ 48.119282] do_syscall_64+0x30/0x40 [ 48.123295] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 48.128938] RIP: 0033:0x7f61a9a0c8f3 [ 48.132928] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 48.153914] RSP: 002b:00007ffd183cb0f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 48.162392] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f61a9a0c8f3 [ 48.170362] RDX: 0000000000000004 RSI: 00007f61a98ff000 RDI: 0000000000000001 [ 48.178345] RBP: 00007f61a98ff000 R08: 00007f61a98fe010 R09: 0000000000000000 [ 48.186315] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 48.194290] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 48.202304] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 48.228779] ---[ end trace 2b9f7943086e2a03 ]--- [ 48.233950] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 48.238339] Code: 89 ff e8 be ae 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 e0 d0 92 02 [ 48.259336] RSP: 0018:ffffad74813e7e60 EFLAGS: 00010286 [ 48.265205] RAX: ffffffffa4cdf430 RBX: 0000000000000001 RCX: 0000000000000000 [ 48.273210] RDX: 0000000000000000 RSI: ffff9c7bbac9bf70 RDI: ffffffffa599bd70 [ 48.281214] RBP: ffffffffa5ddf100 R08: 0000000000000001 R09: 0000000000000001 [ 48.289217] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 48.297219] R13: ffffad74813e7f10 R14: ffffad74813e7f10 R15: ffff9c7b48d52000 [ 48.305247] FS: 00007f61a9af6580(0000) GS:ffff9c7bbac80000(0000) knlGS:0000000000000000 [ 48.314300] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.320723] CR2: 00007f61a98ff000 CR3: 000000010354e002 CR4: 00000000003706e0 # Segmentation fault # [ 47.969660] lkdtm: Performing direct entry BUG # [ 47.974723] ------------[ cut here ]------------ # [ 47.979906] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 47.985795] invalid opcode: 0000 [#1] SMP PTI # [ 47.990668] CPU: 1 PID: 727 Comm: cat Tainted: G W 5.10.153-cip19 #1 # [ 47.999221] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 48.006031] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 48.010406] Code: 89 ff e8 be ae 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 e0 d0 92 02 # [ 48.031385] RSP: 0018:ffffad74813e7e60 EFLAGS: 00010286 # [ 48.037219] RAX: ffffffffa4cdf430 RBX: 0000000000000001 RCX: 0000000000000000 # [ 48.045189] R[ 48.418885] lkdtm: Performing direct entry WARNING [ 48.428044] ------------[ cut here ]------------ [ 48.433217] WARNING: CPU: 3 PID: 763 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 [ 48.442656] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify DX: 0000000000000000 RSI: ffff9c7bbac9bf70 RDI: ffffffffa599bd70[ 48.469117] CPU: 3 PID: 763 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 48.483883] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 48.490691] RIP: 0010:lkdtm_WARNING+0x13/0x20 [ 48.495556] 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 e0 d0 92 02 01 75 05 c3 cc cc cc cc <0f> 0b c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 c1 d0 [ 48.516543] RSP: 0018:ffffad7481497e60 EFLAGS: 00010202 # [ 48.053150] RBP: ffffffffa5ddf100 R08: 0000000000000001 R[ 48.522384] RAX: ffffffffa4cdf440 RBX: 0000000000000002 RCX: 0000000000000000 [ 48.536577] RDX: 0000000000000000 RSI: ffff9c7bbad9bf70 RDI: ffffffffa599bd80 [ 48.544552] RBP: ffffffffa5d83b2f R08: 0000000000000000 R09: 0000000000000000 [ 48.552526] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 [ 48.560500] R13: ffffad7481497f10 R14: ffffad7481497f10 R15: ffff9c7b4321a000 [ 48.568473] FS: 00007f560a0ea580(0000) GS:ffff9c7bbad80000(0000) knlGS:0000000000000000 [ 48.577520] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 09: 0000000000000001 # [ 48.061121] R10: 00000000ffffe000 R11[ 48.583968] CR2: 00007f5609ef3000 CR3: 0000000104104002 CR4: 00000000003706e0 [ 48.598150] Call Trace: [ 48.600881] direct_entry.cold+0x2c/0x38 : 3fffffffffffffff R12: 0000000000000004 # [ 48.069091] R13: [ 48.605303] full_proxy_write+0x53/0x80 [ 48.615802] vfs_write+0xe7/0x3a0 [ 48.619526] ksys_write+0x68/0xf0 [ 48.623228] do_syscall_64+0x30/0x40 [ 48.627243] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 48.632886] RIP: 0033:0x7f560a0008f3 [ 48.636877] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 48.657864] RSP: 002b:00007ffca9c14888 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 48.666335] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f560a0008f3 [ 48.674341] RDX: 0000000000000008 RSI: 00007f5609ef3000 RDI: 0000000000000001 [ 48.682313] RBP: 00007f5609ef3000 R08: 00007f5609ef2010 R09: 0000000000000000 [ 48.690294] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 ffffad74813e7f10 R14: ffffad74813e7f10 R15: ffff9c7b48d52000 # [ 48.698269] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 48.712459] irq event stamp: 0 [ 48.715898] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 48.722902] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 48.732041] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 48.741180] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 48.748178] ---[ end trace 2b9f7943086e2a04 ]--- [ 48.077062] FS: 00007f61a9af6580(0000) GS:ffff9c7bbac80000(0000) knlGS:0000000000000000 # [ 48.086091] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 48.092509] CR2: 00007f61a98ff000 CR3: 000000010354e002 CR4: 00000000003706e0 # [ 48.100480] Call Trace: # [ 48.103201] direct_entry.cold+0x2c/0x38 # [ 48.107578] full_proxy_write+0x53/0x80 # [ 48.111867] vfs_write+0xe7/0x3a0 # [ 48.115564] ksys_write+0x68/0xf0 # [ 48.119282] do_syscall_64+0x30/0x40 # [ 48.123295] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 48.128938] RIP: 0033:0x7f61a9a0c8f3 # [ 48.132928] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 48.153914] RSP: 002b:00007ffd183cb0f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 48.162392] RAX: ffffffffffffffda RBX: 000000000000000[ 48.841705] lkdtm: Performing direct entry WARNING_MESSAGE 4 RCX: 00007f61a9a0c8f3 # [ 48.170362] RDX: 0000000000000004 [ 48.852733] ------------[ cut here ]------------ RSI: 00007f61a98ff000 RDI: 0000000000000001 # [ 48.178345] RB[ 48.864129] Warning message trigger count: 2 P: 00007f61a98ff000 R08: 00007f61a98fe010 R09: 0000000000000000 [ 48.875112] WARNING: CPU: 1 PID: 798 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 48.186315] R10: fffffffffffffbc5 R11: 0000000000000246 R1[ 48.891517] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 2: 0000000000000001 # [ 48.194290] R13: 0000000000000001 R14:[ 48.924168] CPU: 1 PID: 798 Comm: cat Tainted: G D W 5.10.153-cip19 #1 0000000000020000 R15: 0000000000020000 # [ 48.202304] Module[ 48.938961] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 s linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core[ 48.951986] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 industrialio_triggered_buffer kfifo_buf industrialio cros_ec_de[ 48.963821] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 c1 d0 92 02 48 c7 c7 90 40 d8 a5 8d 70 01 89 35 b1 d0 92 02 e8 8b 43 63 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 bugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sen[ 48.991030] RSP: 0018:ffffad7481527e60 EFLAGS: 00010286 sorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ [ 49.003087] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 48.228779] ---[ end trace 2b9f7943086e2a03 ]--- # [ 48.23395[ 49.017299] RDX: ffff9c7bbacac660 RSI: ffff9c7bbac9bf70 RDI: ffff9c7bbac9bf70 0] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 48.238339] Code: 89 ff e8[ 49.031489] RBP: ffffffffa5d83b37 R08: 0000000000000000 R09: 0000000000000000 be ae a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 [ 49.045683] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66[ 49.059873] R13: ffffad7481527f10 R14: ffffad7481527f10 R15: ffff9c7b43113000 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 d0 92 02 # [ [ 49.074066] FS: 00007fc31638b580(0000) GS:ffff9c7bbac80000(0000) knlGS:0000000000000000 48.259336] RSP: 0018:ffffad74813e7e60 EFLAGS: 00010286 # [ 4[ 49.089345] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 8.265205] RAX: ffffffffa4cdf430 RBX: 0000000000000001 RCX: 00000[ 49.101984] CR2: 00007fc316194000 CR3: 0000000103350005 CR4: 00000000003706e0 00000000000 # [ 48.273210] RDX: 0000000000000000 RSI: ffff9c7[ 49.116176] Call Trace: bbac9bf70 RDI: ffffffffa599bd70 # [ 48.281214] RBP: ffffffffa[ 49.125127] direct_entry.cold+0x2c/0x38 5ddf100 R08: 0000000000000001 R09: 0000000000000001 # [ 48.28[ 49.135725] full_proxy_write+0x53/0x80 9217] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000[ 49.146225] vfs_write+0xe7/0x3a0 0000004 # [ 48.297219] R13: ffffad74813e7f10 R14: ffffad74813[ 49.156144] ksys_write+0x68/0xf0 e7f10 R15: ffff9c7b48d52000 # [ 48.305247] FS: 00007f61a9af6[ 49.166061] do_syscall_64+0x30/0x40 580(0000) GS:ffff9c7bbac80000(0000) knlGS:0000000000000000 # [ [ 49.176286] entry_SYSCALL_64_after_hwframe+0x61/0xc6 48.314300] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.188145] RIP: 0033:0x7fc3162a18f3 # [ 48.320723] CR2: 00007f61a98ff000 CR3: 000000010354e002 CR4[ 49.198354] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 : 00000000003706e0 # BUG: saw 'kernel BUG at': ok ok 2 selftes[ 49.225560] RSP: 002b:00007ffe2602fe58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 ts: lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh # [ 48.4188[ 49.240236] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007fc3162a18f3 85] lkdtm: Performing direct entry WARNING # [ 48.428044] ---[ 49.254427] RDX: 0000000000000010 RSI: 00007fc316194000 RDI: 0000000000000001 ---------[ cut here ]------------ # [ 48.433217] WARNING: CPU[ 49.268618] RBP: 00007fc316194000 R08: 00007fc316193010 R09: 0000000000000000 : 3 PID: 763 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/[ 49.282810] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 0x20 # [ 48.442656] Modules linked in: fuse ip_tables cros_ec[ 49.297004] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 _sensors cros_ec_sensors_core industrialio_triggered_buffer kfif[ 49.311202] irq event stamp: 0 o_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysf[ 49.320823] hardirqs last enabled at (0): [<0000000000000000>] 0x0 s cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec[ 49.334045] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 _dev cros_usbpd_notify # [ 48.469117] CPU: 3 PID: 763 Comm: c[ 49.349401] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 at Tainted: G D W 5.10.153-cip19 #1 # [ 48.48388[ 49.364757] softirqs last disabled at (0): [<0000000000000000>] 0x0 3] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ [ 49.377975] ---[ end trace 2b9f7943086e2a05 ]--- 48.490691] RIP: 0010:lkdtm_WARNING+0x13/0x20 # [ 48.495556] 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 e0 d0 92 02 01 75 05 c3 cc cc cc cc <0f> 0b c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 c1 d0 # [ 48.516543] RSP: 0018:ffffad7481497e60 EFLAGS: 00010202 # [ 48.522384] RAX: ffffffffa4cdf440 RBX: 0000000000000002 RCX: 0000000000000000 # [ 48.536577] RDX: 0000000000000000 RSI: ffff9c7bbad9bf70 RDI: ffffffffa599bd80 # [ 48.544552] RBP: ffffffffa5d83b2f R08: 0000000000000000 R09: 0000000000000000 # [ 48.552526] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 # [ 48.560500] R13: ffffad7481497f10 R14: ffffad7481497f10 R15: ffff9c7b4321a000 # [ 48.568473] FS: 00007f560a0ea580(0000) GS:ffff9c7bbad80000(0000) knlGS:0000000000000000 # [ 48.577520] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 48.583968] CR2: 00007f5609ef3000 CR3: 0000000104104002 CR4: 00000000003706e0 # [ 48.598150] Call Trace: # [ 48.600881] direct_entry.cold+0x2c/0x38 # [ 48.605303] [ 49.490945] lkdtm: Performing direct entry EXCEPTION full_proxy_write+0x53/0x80 # [ 48.615802] vfs_write+0xe7/0x3[ 49.500608] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 49.514580] #PF: supervisor write access in kernel mode [ 49.520404] #PF: error_code(0x0002) - not-present page [ 49.526140] PGD 0 P4D 0 [ 49.528964] Oops: 0002 [#2] SMP PTI [ 49.532855] CPU: 0 PID: 830 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 49.541407] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 49.548215] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 [ 49.553180] Code: 48 c7 c7 90 40 d8 a5 8d 70 01 89 35 b1 d0 92 02 e8 8b 43 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 [ 49.574163] RSP: 0018:ffffad74815a7e60 EFLAGS: 00010286 [ 49.579988] RAX: ffffffffa4cdf490 RBX: 0000000000000004 RCX: 0000000000000000 [ 49.587958] RDX: 0000000000000000 RSI: ffff9c7bbac1bf70 RDI: ffffffffa599bda0 [ 49.595929] RBP: ffffffffa5cb8e4f R08: 0000000000000000 R09: 0000000000000000 [ 49.603898] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 49.611868] R13: ffffad74815a7f10 R14: ffffad74815a7f10 R15: ffff9c7b48d2b000 [ 49.619838] FS: 00007f58d1d98580(0000) GS:ffff9c7bbac00000(0000) knlGS:0000000000000000 [ 49.628875] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.635295] CR2: 0000000000000000 CR3: 00000001026dc001 CR4: 00000000003706f0 [ 49.643262] Call Trace: [ 49.645991] direct_entry.cold+0x2c/0x38 [ 49.650375] full_proxy_write+0x53/0x80 [ 49.654662] vfs_write+0xe7/0x3a0 [ 49.658362] ksys_write+0x68/0xf0 [ 49.662062] do_syscall_64+0x30/0x40 [ 49.666057] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 49.671696] RIP: 0033:0x7f58d1cae8f3 [ 49.675684] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 49.696665] RSP: 002b:00007ffdd1055e78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 49.705112] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f58d1cae8f3 [ 49.713081] RDX: 000000000000000a RSI: 00007f58d1ba1000 RDI: 0000000000000001 [ 49.721051] RBP: 00007f58d1ba1000 R08: 00007f58d1ba0010 R09: 0000000000000000 [ 49.729020] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 49.736990] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 49.744964] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 49.771403] CR2: 0000000000000000 [ 49.775092] ---[ end trace 2b9f7943086e2a06 ]--- [ 49.780245] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 49.784621] Code: 89 ff e8 be ae 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 e0 d0 92 02 [ 49.805605] RSP: 0018:ffffad74813e7e60 EFLAGS: 00010286 [ 49.811438] RAX: ffffffffa4cdf430 RBX: 0000000000000001 RCX: 0000000000000000 [ 49.819407] RDX: 0000000000000000 RSI: ffff9c7bbac9bf70 RDI: ffffffffa599bd70 [ 49.827375] RBP: ffffffffa5ddf100 R08: 0000000000000001 R09: 0000000000000001 [ 49.835343] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 49.843312] R13: ffffad74813e7f10 R14: ffffad74813e7f10 R15: ffff9c7b48d52000 [ 49.851290] FS: 00007f58d1d98580(0000) GS:ffff9c7bbac00000(0000) knlGS:0000000000000000 [ 49.860342] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.866758] CR2: 0000000000000000 CR3: 00000001026dc001 CR4: 00000000003706f0 [ 49.874729] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 49.884640] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 830, name: cat [ 49.893000] INFO: lockdep is turned off. [ 49.897376] irq event stamp: 0 [ 49.900781] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 49.907779] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 49.916913] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 49.926046] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 49.933044] CPU: 0 PID: 830 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 49.941587] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 49.948391] Call Trace: [ 49.951118] dump_stack+0x77/0x9b [ 49.954821] ___might_sleep.cold+0xa6/0xb6 [ 49.959393] exit_signals+0x1c/0x2e0 [ 49.963381] do_exit+0xd5/0xb00 [ 49.966883] ? ksys_write+0x68/0xf0 [ 49.970767] rewind_stack_do_exit+0x17/0x20 [ 49.975436] RIP: 0033:0x7f58d1cae8f3 [ 49.979414] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 50.000397] RSP: 002b:00007ffdd1055e78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 50.008853] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f58d1cae8f3 [ 50.016823] RDX: 000000000000000a RSI: 00007f58d1ba1000 RDI: 0000000000000001 [ 50.024791] RBP: 00007f58d1ba1000 R08: 00007f58d1ba0010 R09: 0000000000000000 [ 50.032761] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 50.040729] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 a0 # [ 48.619526] ksys_write+0x68/0xf0 # [ 48.623228] do_syscall_64+0x30/0x40 # [ 48.627243] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 48.632886] RIP: 0033:0x7f560a0008f3 # [ 48.636877] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 48.657864] RSP: 002b:00007ffca9c14888 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 48.666335] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f560a0008f3 # [ 48.674341] RDX: 0000000000000008 RSI: 00007f5609ef3000 RDI: 0000000000000001 # [ 48.682313] RBP: 00007f5609ef3000 R08: 00007f5609ef2010 R09: 0000000000000000 # [ 48.690294] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 48.698269] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 48.712459] irq event stamp: 0 # [ 48.715898] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 48.722902] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 48.732041] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 48.741180] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 48.748178] ---[ end trace 2b9f7943086e2a04 ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ 48.841705] lkdtm: Performing direct entry WARNING_MESSAGE # [ 48.852733] ------------[ cut here ]------------ # [ 48.864129] Warning message trigger count: 2 # [ 48.875112] WARNING: CPU: 1 PID: 798 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 48.891517] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 48.924168] CPU: 1 PID: 798 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 48.938961] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 48.951986] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 48.963821] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 c[ 50.269678] lkdtm: Performing direct entry CORRUPT_LIST_ADD [ 50.278720] lkdtm: attempting good list addition [ 50.283891] lkdtm: attempting corrupted list addition [ 50.289540] lkdtm: list_add() corruption not detected! 1 d0 92 02 48 c7 c7 90 40 d8 a5 8d 70 01 89 35 b1 d0 92 02 e8 8b 43 63 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 # [ 48.991030] RSP: 0018:ffffad7481527e60 EFLAGS: 00010286 # [ 49.003087] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 # [ 49.017299] RDX: ffff9c7bbacac660 RSI: ffff9c7bbac9bf70 RDI: ffff9c7bbac9bf70 # [ 49.031489] RBP: ffffffffa5d83b37 R08: 0000000000000000 R09: 0000000000000000 # [ 49.045683] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 # [ 49.059873] R13: ffffad7481527f10 R14: ffffad7481527f10 R15: ffff9c7b43113000 # [ 49.074066] FS: 00007fc31638b580(0000) GS:ffff9c7bbac80000(0000) knlGS:0000000000000000 # [ 49.089345] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 49.101984] CR2: 00007fc316194000 CR3: [ 50.371268] lkdtm: Performing direct entry CORRUPT_LIST_DEL 0000000103350005 CR4: 00000000003706e0 # [ 49.116176] Call Tr[ 50.382340] lkdtm: attempting good list removal ace: # [ 49.125127] direct_entry.cold+0x2c/0x38 # [ 49.13[ 50.393622] lkdtm: attempting corrupted list removal 5725] full_proxy_write+0x53/0x80 # [ 49.146225] vfs_write+0[ 50.405386] lkdtm: list_del() corruption not detected! xe7/0x3a0 # [ 49.156144] ksys_write+0x68/0xf0 # [ 49.166061] do_syscall_64+0x30/0x40 # [ 49.176286] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 49.188145] RIP: 0033:0x7fc3162a18f3 # [ 49.198354] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 49.225560] RSP: 002b:00007ffe2602fe58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 49.240236] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007fc3162a18f3 # [ 49.254427] RDX: 0000000000000010 RSI: 00007fc316194000 RDI: 0000000000000001 # [ 49.268618] RBP: 00007fc316194000 R08: 00007fc316193010 R09: 0000000000000000 # [ 49.282810] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 49.297004] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 49.311202] irq event stamp: 0 # [ 49.320823] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 49.334045] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 49.349401] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 49.364757] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 49.377975] ---[ end trace 2b9f7943086e2a05 ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCEPTI[ 50.557233] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING ON.sh # Killed # [ 49.490945] lkdtm: Performing direct entry[ 50.567313] lkdtm: attempting bad read from page below current stack EXCEPTION # [ 49.500608] BUG: kernel NULL pointer dereferenc[ 50.580644] BUG: stack guard page was hit at 00000000ab702e59 (stack is 00000000f9b7f72a..00000000309d1c31) [ 50.597716] kernel stack overflow (page fault): 0000 [#3] SMP PTI [ 50.604523] CPU: 0 PID: 1055 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 50.613174] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 50.619983] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a [ 50.626504] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 30 44 d8 a5 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 2a a0 fd ff 48 c7 c7 70 44 d8 a5 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 10 a0 fd ff 0f 1f 44 [ 50.647483] RSP: 0018:ffffad748177fe50 EFLAGS: 00010246 [ 50.653310] RAX: 0000000000000038 RBX: ffffad748177c000 RCX: 0000000000000000 [ 50.661282] RDX: 0000000000000000 RSI: ffff9c7bbac1bf70 RDI: ffffffffa5d84470 [ 50.669254] RBP: ffffffffa5d83b9a R08: 0000000000000000 R09: 0000000000000000 [ 50.677228] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 [ 50.685190] R13: ffffad748177ff10 R14: ffffad748177ff10 R15: ffff9c7b433ce000 [ 50.693161] FS: 00007f9f1a433580(0000) GS:ffff9c7bbac00000(0000) knlGS:0000000000000000 [ 50.702201] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.708619] CR2: ffffad748177bfff CR3: 0000000102746004 CR4: 00000000003706f0 [ 50.716590] Call Trace: [ 50.719319] ? lkdtm_CORRUPT_LIST_DEL+0xe0/0xe0 [ 50.724384] direct_entry.cold+0x2c/0x38 [ 50.728765] full_proxy_write+0x53/0x80 [ 50.733053] vfs_write+0xe7/0x3a0 [ 50.736759] ksys_write+0x68/0xf0 [ 50.740458] do_syscall_64+0x30/0x40 [ 50.744456] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 50.750097] RIP: 0033:0x7f9f1a3498f3 [ 50.754086] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 50.775064] RSP: 002b:00007ffcfa652ad8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 50.783522] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f9f1a3498f3 [ 50.791484] RDX: 0000000000000019 RSI: 00007f9f1a23c000 RDI: 0000000000000001 [ 50.799455] RBP: 00007f9f1a23c000 R08: 00007f9f1a23b010 R09: 0000000000000000 [ 50.807428] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 50.815392] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 50.823360] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 50.849808] ---[ end trace 2b9f7943086e2a07 ]--- [ 50.854965] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 50.859341] Code: 89 ff e8 be ae 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 e0 d0 92 02 [ 50.880327] RSP: 0018:ffffad74813e7e60 EFLAGS: 00010286 [ 50.886162] RAX: ffffffffa4cdf430 RBX: 0000000000000001 RCX: 0000000000000000 [ 50.894133] RDX: 0000000000000000 RSI: ffff9c7bbac9bf70 RDI: ffffffffa599bd70 [ 50.902103] RBP: ffffffffa5ddf100 R08: 0000000000000001 R09: 0000000000000001 [ 50.910074] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 50.918044] R13: ffffad74813e7f10 R14: ffffad74813e7f10 R15: ffff9c7b48d52000 [ 50.926016] FS: 00007f9f1a433580(0000) GS:ffff9c7bbac00000(0000) knlGS:0000000000000000 [ 50.935055] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.941473] CR2: ffffad748177bfff CR3: 0000000102746004 CR4: 00000000003706f0 [ 50.949444] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 50.959358] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1055, name: cat [ 50.967815] INFO: lockdep is turned off. [ 50.972191] irq event stamp: 0 [ 50.975597] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 50.982598] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 50.991735] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 51.000872] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 51.007864] CPU: 0 PID: 1055 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 51.016506] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 51.023313] Call Trace: [ 51.026042] dump_stack+0x77/0x9b [ 51.029747] ___might_sleep.cold+0xa6/0xb6 [ 51.034326] exit_signals+0x1c/0x2e0 [ 51.038315] do_exit+0xd5/0xb00 [ 51.041820] ? ksys_write+0x68/0xf0 [ 51.045715] rewind_stack_do_exit+0x17/0x20 [ 51.050389] RIP: 0033:0x7f9f1a3498f3 [ 51.054379] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 51.075357] RSP: 002b:00007ffcfa652ad8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 51.083806] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f9f1a3498f3 [ 51.091776] RDX: 0000000000000019 RSI: 00007f9f1a23c000 RDI: 0000000000000001 [ 51.099746] RBP: 00007f9f1a23c000 R08: 00007f9f1a23b010 R09: 0000000000000000 [ 51.107718] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 51.115689] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 e, address: 0000000000000000 # [ 49.514580] #PF: supervisor write access in kernel mode # [ 49.520404] #PF: error_code(0x0002) - not-present page # [ 49.526140] PGD 0 P4D 0 # [ 49.528964] Oops: 0002 [#2] SMP PTI # [ 49.532855] CPU: 0 PID: 830 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 49.541407] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 49.548215] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 # [ 49.553180] Code: 48 c7 c7 90 40 d8 a5 8d 70 01 89 35 b1 d0 92 02 e8 8b 43 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 # [ 49.574163] RSP: 0018:ffffad74815a7e60 EFLAGS: 00010286 # [ 49.579988] RAX: ffffffffa4cdf490 RBX: 0000000000000004 RCX: 0000000000000000 # [ 49.587958] RDX: 0000000000000000 RSI: ffff9c7bbac1bf70 RDI: ffffffffa599bda0 # [ 49.595929] RBP: ffffffffa5cb8e4f R08: 0000000000000000 R09: 0000000000000000 # [ 49.603898] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 49.611868] R13: ffffad74815a7f10 R14: ffffad74815a7f10 R15: ffff9c7b48d2b000 # [ 49.619838] FS: 00007f58d1d98580(0000) GS:ffff9c7bbac00000(0000) knlGS:0000000000000000 # [ 49.628875] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 49.635295] CR2: 0000000000000000 CR3: 00000001026dc001 CR4: 00000000003706f0 # [ 49.643262] Call Trace: # [ 49.645991] direct_entry.cold+0x2c/0x38 # [ 4[ 51.262206] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING 9.650375] full_proxy_write+0x53/0x80 # [ 49.654662] vfs_wri[ 51.273764] lkdtm: attempting bad read from page above current stack te+0xe7/0x3a0 # [ 49.658362] ksys_write+0x68/0xf0 # [ 49.[ 51.287068] BUG: stack guard page was hit at 00000000c2136b9a (stack is 00000000150cb85f..0000000080d7f875) [ 51.304156] kernel stack overflow (page fault): 0000 [#4] SMP PTI 662062] do_syscall_64+0x30/0x40 # [ 49.666057] entry_SYSCAL[ 51.310962] CPU: 1 PID: 1088 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 51.325825] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 51.332633] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d L_64_after_hwframe+0x61/0xc6 # [ 49.671696] RIP: 0033:0x7f58d[ 51.339245] Code: a0 fd ff 0f 1f 44 00 00 53 48 c7 c7 a8 44 d8 a5 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 f0 9f fd ff 48 c7 c7 e8 44 d8 a5 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 d3 9f fd ff [ 51.366439] RSP: 0018:ffffad7481937e50 EFLAGS: 00010246 [ 51.372273] RAX: 0000000000000038 RBX: ffffad7481934000 RCX: 0000000000000000 [ 51.380293] RDX: 0000000000000000 RSI: ffff9c7bbac9bf70 RDI: ffffffffa5d844e8 [ 51.388261] RBP: ffffffffa5d83bb3 R08: 0000000000000000 R09: 0000000000000000 [ 51.396230] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a [ 51.404199] R13: ffffad7481937f10 R14: ffffad7481937f10 R15: ffff9c7b42995000 [ 51.412168] FS: 00007f2dbb419580(0000) GS:ffff9c7bbac80000(0000) knlGS:0000000000000000 [ 51.421203] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.427616] CR2: ffffad7481938000 CR3: 0000000108daa002 CR4: 00000000003706e0 [ 51.435582] Call Trace: [ 51.438309] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a 1cae8f3 # [ 49.675684] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02[ 51.444143] direct_entry.cold+0x2c/0x38 [ 51.454733] full_proxy_write+0x53/0x80 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 [ 51.459013] vfs_write+0xe7/0x3a0 [ 51.468922] ksys_write+0x68/0xf0 [ 51.472621] do_syscall_64+0x30/0x40 [ 51.476611] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 51.482253] RIP: 0033:0x7f2dbb32f8f3 [ 51.486242] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 51.507218] RSP: 002b:00007ffd9f9846c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 51.515664] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f2dbb32f8f3 [ 51.523634] RDX: 000000000000001a RSI: 00007f2dbb222000 RDI: 0000000000000001 [ 51.531604] RBP: 00007f2dbb222000 R08: 00007f2dbb221010 R09: 0000000000000000 [ 51.539574] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 51.547543] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f[ 51.555518] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 51.588158] ---[ end trace 2b9f7943086e2a08 ]--- 40 00 48 83 ec 28 48 89 54 24 18 # [ 49.696665] RSP: 002b:00[ 51.593315] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 51.603901] Code: 89 ff e8 be ae 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 e0 d0 92 02 [ 51.624884] RSP: 0018:ffffad74813e7e60 EFLAGS: 00010286 [ 51.630718] RAX: ffffffffa4cdf430 RBX: 0000000000000001 RCX: 0000000000000000 [ 51.638688] RDX: 0000000000000000 RSI: ffff9c7bbac9bf70 RDI: ffffffffa599bd70 [ 51.646657] RBP: ffffffffa5ddf100 R08: 0000000000000001 R09: 0000000000000001 [ 51.654628] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 51.662589] R13: ffffad74813e7f10 R14: ffffad74813e7f10 R15: ffff9c7b48d52000 [ 51.670558] FS: 00007f2dbb419580(0000) GS:ffff9c7bbac80000(0000) knlGS:0000000000000000 [ 51.679585] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.685998] CR2: ffffad7481938000 CR3: 0000000108daa002 CR4: 00000000003706e0 007ffdd1055e78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 49.705112] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f58d1cae8f3 # [ 49.713081] RDX: 000000000000000a RSI: 00007f58d1ba1000 RDI: 0000000000000001 # [ 49.721051] RBP: 00007f58d1ba1000 R08: 00007f58d1ba0010 R09: 0000000000000000 # [ 49.729020] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 49.736990] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 49.744964] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 49.771403] CR2: 0000000000000000 # [ 49.775092] ---[ end trace 2b9f7943086e2a06 ]--- # [ 49.780245] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 49.784621] Code: 89 ff e8 be ae 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 e0 d0 92 02 # [ 49.805605] RSP: 0018:ffffad74813[ 51.799940] lkdtm: Performing direct entry UNSET_SMEP e7e60 EFLAGS: 00010286 # [ 49.811438] RAX: ffffffffa4cdf430 R[ 51.811492] lkdtm: trying to clear SMEP normally BX: 0000000000000001 RCX: 0000000000000000 # [ 49.819407] RDX[ 51.822868] ------------[ cut here ]------------ : 0000000000000000 RSI: ffff9c7bbac9bf70 RDI: ffffffffa599bd70 [ 51.834238] pinned CR4 bits changed: 0x100000!? # [ 49.827375] RBP: ffffffffa5ddf100 R08: 0000000000000001 R09[ 51.845533] WARNING: CPU: 1 PID: 1124 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60 : 0000000000000001 # [ 49.835343] R10: 00000000ffffe000 R11: [ 51.861933] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 3fffffffffffffff R12: 0000000000000004 # [ 49.843312] R13: ff[ 51.894573] CPU: 1 PID: 1124 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 51.909442] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 ffad74813e7f10 R14: ffffad74813e7f10 R15: ffff9c7b48d52000 # [ [ 51.916250] RIP: 0010:native_write_cr4+0x45/0x60 49.851290] FS: 00007f58d1d98580(0000) GS:ffff9c7bbac00000(000[ 51.927617] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d 1e 92 e3 01 00 75 f2 48 c7 c7 90 2e cc a5 c6 05 0e 92 e3 01 01 e8 f6 ef e4 00 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 0) knlGS:0000000000000000 # [ 49.860342] CS: 0010 DS: 0000 E[ 51.954819] RSP: 0018:ffffad74819bfe48 EFLAGS: 00010286 [ 51.966869] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 0000000000000000 S: 0000 CR0: 0000000080050033 # [ 49.866758] CR2: 00000000000[ 51.974842] RDX: ffff9c7bbacac660 RSI: ffff9c7bbac9bf70 RDI: ffff9c7bbac9bf70 00000 CR3: 00000001026dc001 CR4: 00000000003706f0 # [ 49.8747[ 51.989022] RBP: ffffffffa5d83bcd R08: 0000000000000000 R09: 0000000000000000 [ 52.003212] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b 29] BUG: sleeping function called from invalid context at includ[ 52.011211] R13: ffffad74819bff10 R14: ffffad74819bff10 R15: ffff9c7b48d35000 e/linux/percpu-rwsem.h:49 # [ 49.884640] in_atomic(): 0, irqs[ 52.025392] FS: 00007f1a18012580(0000) GS:ffff9c7bbac80000(0000) knlGS:0000000000000000 [ 52.040644] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 _disabled(): 1, non_block: 0, pid: 830, name: cat # [ 49.8930[ 52.047065] CR2: 00007f1a17e1b000 CR3: 0000000108c92006 CR4: 00000000003706e0 00] INFO: lockdep is turned off. # [ 49.897376] irq event sta[ 52.061249] Call Trace: mp: 0 # [ 49.900781] hardirqs last enabled at (0): [<0000000[ 52.070196] lkdtm_UNSET_SMEP.cold+0x1d/0x103 000000000>] 0x0 # [ 49.907779] hardirqs last disabled at (0):[ 52.081298] direct_entry.cold+0x2c/0x38 [] copy_process+0x640/0x1c80 # [ 49.916913[ 52.091887] full_proxy_write+0x53/0x80 ] softirqs last enabled at (0): [] copy_proce[ 52.102388] vfs_write+0xe7/0x3a0 ss+0x640/0x1c80 # [ 49.926046] softirqs last disabled at (0):[ 52.112342] ksys_write+0x68/0xf0 [<0000000000000000>] 0x0 # [ 49.933044] CPU: 0 PID: 830 Comm[ 52.122278] do_syscall_64+0x30/0x40 : cat Tainted: G D W 5.10.153-cip19 #1 # [ 49.94[ 52.132462] entry_SYSCALL_64_after_hwframe+0x61/0xc6 1587] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [[ 52.144358] RIP: 0033:0x7f1a17f288f3 [ 52.154572] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 49.948391] Call Trace: # [ 49.951118] dump_stack+0x77/0x9[ 52.175585] RSP: 002b:00007ffc93b6df48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 b # [ 49.954821] ___might_sleep.cold+0xa6/0xb6 # [ 49.959[ 52.190235] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f1a17f288f3 [ 52.204419] RDX: 000000000000000b RSI: 00007f1a17e1b000 RDI: 0000000000000001 393] exit_signals+0x1c/0x2e0 # [ 49.963381] do_exit+0xd5/0x[ 52.212394] RBP: 00007f1a17e1b000 R08: 00007f1a17e1a010 R09: 0000000000000000 [ 52.226575] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 b00 # [ 49.966883] ? ksys_write+0x68/0xf0 # [ 49.970767] [ 52.234546] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 rewind_stack_do_exit+0x17/0x20 # [ 49.975436] RIP: 0033:0x7f[ 52.248750] irq event stamp: 0 [ 52.258351] hardirqs last enabled at (0): [<0000000000000000>] 0x0 58d1cae8f3 # [ 49.979414] Code: 8b 15 a1 25 0e 00 f7 d8 64 89[ 52.265354] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 52.280701] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 [ 52.289842] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 52.303054] ---[ end trace 2b9f7943086e2a09 ]--- 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f[ 52.308215] lkdtm: ok: SMEP did not get cleared [ 52.319483] lkdtm: trying to clear SMEP with call gadget 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 50.000397] RSP: 002b[ 52.325416] lkdtm: ok: SMEP removal was reverted :00007ffdd1055e78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 50.008853] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f58d1cae8f3 # [ 50.016823] RDX: 000000000000000a RSI: 00007f58d1ba1000 RDI: 0000000000000001 # [ 50.024791] RBP: 00007f58d1ba1000 R08: 00007f58d1ba0010 R09: 0000000000000000 # [ 50.032761] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 50.040729] 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_[ 52.439526] lkdtm: Performing direct entry DOUBLE_FAULT [ 52.448304] lkdtm: XFAIL: this test is ia32-only STACK_STRONG.sh # SKIP # selftests: lkdtm: CORRUPT_LIST_ADD.sh # [ 50.269678] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 50.278720] lkdtm: attempting good list addition # [ 50.283891] lkdtm: attempting corrupted list addition # [ 50.289540] lkdtm: list_add() corruption not detected! # CORRUPT_LIST_ADD: missing 'list_add corruption': [FAIL] not ok 10 selftests: lkdtm: CORRUPT_LIST_ADD.sh # exit=1 # selftests: lkdtm: CORRUPT_LIST_DEL.sh # [ 50.371268] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 50.382340] lkdtm: attempting good list removal # [ 50.393622] lkdtm: attempting corrupted list removal # [ 50.405386] lkdtm: list_del() corruption not detected! # CORRUPT_LIST_DEL: missing 'list_del corruption': [FAIL] not ok 11 selftests: lkdtm: CORRUPT_LIST_DEL.sh # exit=1 # selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh # Segmentation fault # [ 50.557233] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 50.567313] lkdtm: attempting bad read from page below current stack # [ 50.580644] BUG: stack guard page was hit at 00000000ab702e59 (stack is 00000000f9b7f72a..00000000309d1c31) # [ 50.597716] kernel stack overflow (page fault): 0000 [#3] SMP PTI # [ 50.604523] CPU: 0 PID: 1055 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 50.613174] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 50.619983] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a # [ 50.626504] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 30 44 d8 a5 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 2a a0 fd ff 48 c7 c7 70 44 d8 a5 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 10 a0 fd[ 52.613735] lkdtm: Performing direct entry CORRUPT_PAC [ 52.620797] lkdtm: XFAIL: this test is arm64-only ff 0f 1f 44 # [ 50.647483] RSP: 0018:ffffad748177fe50 EFLAGS: 00010246 # [ 50.653310] RAX: 0000000000000038 RBX: ffffad748177c000 RCX: 0000000000000000 # [ 50.661282] RDX: 0000000000000000 RSI: ffff9c7bbac1bf70 RDI: ffffffffa5d84470 # [ 50.669254] RBP: ffffffffa5d83b9a R08: 0000000000000000 R09: 0000000000000000 # [ 50.677228] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 # [ 50.685190] R13: ffffad748177ff10 R14: ffffad748177ff10 R15: ffff9c7b433ce000 # [ 50.693161] FS: 00007f9f1a433580(0000) GS:ffff9c7bbac00000(0000) knlGS:0000000000000000 # [ 50.702201] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 50.708619] CR2: ffffad748177bfff CR3: 0000000102746004 CR4: 00000000003706f0 # [ 50.716590] Call Trace: # [ 50.719319] ? lkdtm_CORRUPT_LIST_DEL+0xe0/0xe0 # [ 50.724384] direct_entry.cold+0x2c/0x38 # [ 50.728765] full[ 52.708757] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE [ 52.720318] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS _proxy_write+0x53/0x80 # [ 50.733053] vfs_write+0xe7/0x3a0 # [ 50.736759] ksys_write+0x68/0xf0 # [ 50.740458] do_syscall_64+0x30/0x40 # [ 50.744456] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 50.750097] RIP: 0033:0x7f9f1a3498f3 # [ 50.754086] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 50.775064] RSP: 002b:00007ffcfa652ad8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 50.783522] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f9f1a3498f3 # [ 50.791484] RDX: 0000000000000019 RSI: 00007f9f1a23c000 RDI: 0000000000000001 # [ 50.799455] RBP: 00007f9f1a23c000 R08: 00007f9f1a23b010 R09: 0000000000000000 # [ 50.807428] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 50.815392] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 50.823360] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 50.849808] ---[ end trace 2b9f7943086e2a07 ]--- # [ 50.854965] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 50.859341] Code: 89 ff e8 be ae 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 e0 d0 92 02 # [ 50.880327] RSP: 0018:ffffad74813e7e60 EFLAGS: 00010286 # [ 50.886162] RAX: ffffffffa4cdf430 RBX: 0000000000000001 RCX: 0000000000000000 # [ 50.894133] RDX: 0000000000000000 RSI: ffff9c7bbac9bf70 RDI: ffffffffa599bd70 # [ 50.902103] RBP: ffffffffa5ddf100 R08: 0000000000000001 R09: 0000000000000001 # [ 50.910074] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 50.918044] R13: ffffad74813e7f10 R14: ffffad74813e7f10 R15: ffff9c7b48d52000 # [ 50.926016] FS: 00007f9f1a433580(0000) GS:ffff9c7bbac00000(0000) knlGS:0000000000000000 # [ 50.935055] CS: 0010 D[ 52.936663] lkdtm: Performing direct entry READ_AFTER_FREE [ 52.945399] lkdtm: Value in memory before free: 12345678 [ 52.951343] lkdtm: Attempting bad read from freed memory [ 52.957288] lkdtm: Memory was not poisoned S: 0000 ES: 0000 CR0: 0000000080050033 # [ 50.941473] CR2: ffffad748177bfff CR3: 0000000102746004 CR4: 00000000003706f0 # [ 50.949444] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 50.959358] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1055, name: cat # [ 50.967815] INFO: lockdep is turned off. # [ 50.972191] irq event stamp: 0 # [ 50.975597] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 50.982598] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 50.991735] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 51.000872] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 51.007864] CPU: 0 PID: 1055 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 51.016506] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 51.023313] Call Trace: # [ 51.026042] dump_stack+0x77/0x9b # [ 51.029747] ___might_sleep.cold+0xa6/0xb6 # [ 51.034326] exit_signals+0x1c/0x2e0 # [ 51.038315] do_exit+0xd5/0xb00 # [ 51.041820] ? ksys_write+0x68/0xf0 # [ 51.045715] rewind_stack_do_exit+0x17/0x20 # [ 51.050389] RIP: 0033:0x7f9f1a3498f3 # [ 51.054379] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 51.075357] RSP: 002b:00007ffcfa652ad8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 51.083806] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f9f1a3498f3 # [ 51.091776] RDX: 0000000000000019 RSI: 00007f9f1a23c000 RDI: 0000000000000001 # [ 51.099746] RBP: 00007f9f1a23c000 R08: 00007f9f1a23b010 R09: 000000000000[ 53.131796] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE 0000 # [ 51.107718] R10: fffffffffffffbc5 R11: 00000000000002[ 53.142681] lkdtm: Value in memory before free: 12345678 46 R12: 0000000000000001 # [ 51.115689] R13: 0000000000000001[ 53.154831] lkdtm: Attempting to read from freed memory R14: 0000000000020000 R15: 0000000000020000 # STACK_GUARD_PAGE[ 53.166876] lkdtm: Buddy page was not poisoned _LEADING: saw 'call trace:': ok ok 12 selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh # selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # Segmentation fault # [ 51.262206] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 51.273764] lkdtm: attempting bad read from page above current stack # [ 51.287068] BUG: stack guard page was hit at 00000000c2136b9a (stack is 00000000150cb85f..0000000080d7f875) # [ 51.304156] kernel stack overflow (page fault): 0000 [#4] SMP PTI # [ 51.310962] CPU: 1 PID: 1088 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 51.325825] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 51.332633] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d # [ 51.339245] Code: a0 fd ff 0f 1f 44 00 00 53 48 c7 c7 a8 44 d8 a5 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 f0 9f fd ff 48 c7 c7 e8 44 d8 a5 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 d3 9f fd ff # [ 51.366439] RSP: 0018:ffffad7481937e50 EFLAGS: 00010246 # [ 51.372273] RAX: 0000000000000038 RBX: ffffad7481934000 RCX: 0000000000000000 # [ 51.380293] RDX: 0000000000000000 RSI: ffff9c7bbac9bf70 RDI: ffffffffa5d844e8 # [ 51.388261] RBP: ffffffffa5d83bb3 R08: 0000000000000000 R09: 0000000000000000 # [ 51.396230] R10:[ 53.299402] lkdtm: Performing direct entry SLAB_FREE_DOUBLE 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a #[ 53.308771] lkdtm: Attempting double slab free ... [ 51.404199] R13: ffffad7481937f10 R14: ffffad7481937f10 R15: ffff9c7b42995000 # [ 51.412168] FS: 00007f2dbb419580(0000) GS:ffff9c7bbac80000(0000) knlGS:0000000000000000 # [ 51.421203] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 51.427616] CR2: ffffad7481938000 CR3: 0000000108daa002 CR4: 00000000003706e0 # [ 51.435582] Call Trace: # [ 51.438309] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a # [ 51.444143] direct_entry.cold+0x2c/0x38 # [ 51.454733] full_proxy_write+0x53/0x80 # [ 51.459013] vfs_write+0xe7/0x3a0 # [ 51.468922] ksys_write+0x68/0xf0 # [ 51.472621] do_syscall_64+0x30/0x40 # [ 51.476611] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 51.482253] RIP: 0033:0x7f2dbb32f8f3 # [ 51.486242] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 51.507218] RSP: 002b:00007ffd9f9846c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 51.515664] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f2dbb32f8f3 # [ 51.523634] RDX: 000000000000001a RSI: 00007f2dbb222000 RDI: 0000000000000001 # [ 51.531604] RBP: 00007f2dbb222000 R08: 00007f2dbb221010 R09: 0000000000000000 # [ 51.539574] R10: fffffffffffffbc5 R11: [ 53.447690] lkdtm: Performing direct entry SLAB_FREE_CROSS [ 53.457114] lkdtm: Attempting cross-cache slab free ... 0000000000000246 R12: 0000000000000001 # [ 51.547543] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 51.555518] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 51.588158] ---[ end trace 2b9f7943086e2a08 ]--- # [ 51.593315] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 51.603901] Code: 89 ff e8 be ae 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 e0 d0 92 02 # [ 51.624884] RSP: 0018:ffffad74813e7e60 EFLAGS: 00010286 # [ 51.630718] RAX: ffffffffa4cdf430 RBX: 0000000000000001 RCX: 0000000000000000 # [ 51.638688] RDX: 0000000000000000 RSI: ffff9c7bbac9bf70 RDI: ffffffffa599bd70 # [ 51.646657] RBP: ffffffffa5ddf100 R08: 0000000000000001 R09: 0000000000000001 # [ 51.654628] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 51.662589] R13: ffffad74813e7f[ 53.574664] lkdtm: Performing direct entry SLAB_FREE_PAGE [ 53.581105] lkdtm: Attempting non-Slab slab free ... 10 R14: ffffad74813e7f10 R15: ffff9c7b48d52000 # [ 51.670558] FS: 00007f2dbb419580(0000) GS:ffff9c7bbac80000(0000) knlGS:0000000000000000 # [ 51.679585] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 51.685998] CR2: ffffad7481938000 CR3: 0000000108daa002 CR4: 00000000003706e0 # STACK_GUARD_PAGE_TRAILING: saw 'call trace:': ok ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # selftests: lkdtm: UNSET_SMEP.sh # [ 51.799940] lkdtm: Performing direct entry UNSET_SMEP # [ 51.811492] lkdtm: trying to clear SMEP normally # [ 51.822868] ------------[ cut here ]------------ # [ 51.834238] pinned CR4 bits changed: 0x100000!? # [ 51.845533] WARNING: CPU: 1 PID: 1124 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60 # [ 51.861933] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 51.894573] CPU: 1 PID: 1124 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 51.909442] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 51.916250] RIP: 0010:native_write_cr4+0x45/0x60 # [ 51.927617] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d 1e 92 e3 01 00 75 f2 48 c7 c7 90 2e cc a5 c6 05 0e 92 e3 01 01 e8 f6 ef e4 00 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 # [ 51.954819] RSP: 0018:ffffad74819bfe48 EFLAGS: 00010286 # [ 51.966869] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 0000000000000000 # [ 51.974842] RDX: ffff9c7bbacac660 RSI: ffff9c7bbac9bf70 RDI: ffff9c7bbac9bf70 # [ 51.989022] RBP: ffffffffa5d83bcd R08: 0000000000000000 R09: 0000000000000000 # [ 52.003212] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 52.011211] R13: ffffad74819bff10 R14: ffffad74819bff10 R15: ffff9c7b48d35000 # [ 52.025392] FS: 00007f1a18012580(0000) GS:ffff9c7bbac80000(0000) knlGS:0000000000000000 # [ 52.040644] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 52.047065] CR2: 00007f1a17e1b000 CR3: 0000000108c92006 CR4: 00000000003706e0 # [ 52.061249] Call Trace: # [ 52.070196] lkdtm_UNSET_SMEP.cold+0x1d/0x103 # [ 52.081298] direct_entry.cold+0x2c/0x38 # [ 52.091887] full_proxy_write+0x53/0x80 # [ 52.102388] vfs_write+0xe7/0x3a0 # [ 52.112342] ksys_write+0x68/0xf0 # [ 52.122278] do_syscall_64+0x30/0x40 # [ 52.132462] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 52.144358] RIP: 0033:0x7f1a17f288f3 # [ 52.154572] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 52.175585] RSP: 002b:00007ffc93b6df48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 52.190235] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f1a17f288f3 # [ 52.204419] RDX: 000000000000000b RSI: 00007f1a17e1b000 RDI: 00000000[ 53.884686] lkdtm: Performing direct entry EXEC_DATA [ 53.890753] lkdtm: attempting ok execution at ffffffffa4cdf800 [ 53.897279] lkdtm: attempting bad execution at ffffffffa760c560 00000001 # [ 52.212394] RBP: 00007f1a17e1b000 R08: 00007f1a17[ 53.903904] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 53.918476] BUG: unable to handle page fault for address: ffffffffa760c560 [ 53.926148] #PF: supervisor instruction fetch in kernel mode [ 53.932466] #PF: error_code(0x0011) - permissions violation [ 53.938688] PGD 106c29067 P4D 106c29067 PUD 106c2a063 PMD 80000001082000e3 [ 53.946468] Oops: 0011 [#5] SMP PTI [ 53.950351] CPU: 3 PID: 1631 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 53.958992] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 53.965801] RIP: 0010:data_area+0x0/0x40 [ 53.970178] Code: ff ff 00 20 51 44 7b 9c ff ff 00 0f 3b 40 7b 9c ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 [ 53.991165] RSP: 0018:ffffad74821a7e48 EFLAGS: 00010246 [ 53.996999] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 54.004970] RDX: 0000000000000000 RSI: ffff9c7bbad9bf70 RDI: ffff9c7bbad9bf70 [ 54.012940] RBP: ffffffffa760c560 R08: 0000000000000000 R09: 0000000000000000 [ 54.020911] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 54.028880] R13: ffffad74821a7f10 R14: ffffad74821a7f10 R15: ffff9c7b43674000 [ 54.036851] FS: 00007f3f1de16580(0000) GS:ffff9c7bbad80000(0000) knlGS:0000000000000000 [ 54.045880] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.052295] CR2: ffffffffa760c560 CR3: 0000000104e92001 CR4: 00000000003706e0 [ 54.060265] Call Trace: [ 54.063017] ? execute_location+0x45/0x56 [ 54.067493] ? direct_entry.cold+0x2c/0x38 [ 54.072065] ? full_proxy_write+0x53/0x80 [ 54.076539] ? vfs_write+0xe7/0x3a0 [ 54.080421] ? ksys_write+0x68/0xf0 [ 54.084313] ? do_syscall_64+0x30/0x40 [ 54.088497] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 54.094338] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify e1a010 R09: 0000000000000000 # [ 52.226575] R10: ffffffffffff[ 54.120790] CR2: ffffffffa760c560 [ 54.130700] ---[ end trace 2b9f7943086e2a0a ]--- [ 54.135856] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 54.140232] Code: 89 ff e8 be ae 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 e0 d0 92 02 [ 54.161216] RSP: 0018:ffffad74813e7e60 EFLAGS: 00010286 [ 54.167050] RAX: ffffffffa4cdf430 RBX: 0000000000000001 RCX: 0000000000000000 [ 54.175020] RDX: 0000000000000000 RSI: ffff9c7bbac9bf70 RDI: ffffffffa599bd70 [ 54.182992] RBP: ffffffffa5ddf100 R08: 0000000000000001 R09: 0000000000000001 [ 54.190964] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 54.198937] R13: ffffad74813e7f10 R14: ffffad74813e7f10 R15: ffff9c7b48d52000 [ 54.206909] FS: 00007f3f1de16580(0000) GS:ffff9c7bbad80000(0000) knlGS:0000000000000000 [ 54.215937] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.222353] CR2: ffffffffa760c560 CR3: 0000000104e92001 CR4: 00000000003706e0 [ 54.230343] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 54.240258] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1631, name: cat [ 54.248705] INFO: lockdep is turned off. [ 54.253081] irq event stamp: 0 [ 54.256487] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 54.263486] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 54.272613] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 54.281749] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 54.288746] CPU: 3 PID: 1631 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 54.297394] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 54.304199] Call Trace: [ 54.306929] dump_stack+0x77/0x9b [ 54.310628] ___might_sleep.cold+0xa6/0xb6 [ 54.315201] exit_signals+0x1c/0x2e0 [ 54.319189] do_exit+0xd5/0xb00 [ 54.322693] ? ksys_write+0x68/0xf0 [ 54.326588] rewind_stack_do_exit+0x17/0x20 [ 54.331257] RIP: 0033:0x7f3f1dd2c8f3 [ 54.335238] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 54.356216] RSP: 002b:00007ffc8becc518 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 54.364672] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f3f1dd2c8f3 [ 54.372640] RDX: 000000000000000a RSI: 00007f3f1dc1f000 RDI: 0000000000000001 [ 54.380612] RBP: 00007f3f1dc1f000 R08: 00007f3f1dc1e010 R09: 0000000000000000 [ 54.388582] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 54.396552] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 fbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 52.234546] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 52.248750] irq event stamp: 0 # [ 52.258351] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 52.265354] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 52.280701] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 52.289842] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 52.303054] ---[ end trace 2b9f7943086e2a09 ]--- # [ 52.308215] lkdtm: ok: SMEP did not get cleared # [ 52.319483] lkdtm: trying to clear SMEP with call gadget # [ 52.325416] lkdtm: ok: SMEP removal was reverted # UNSET_SMEP: saw 'pinned CR4 bits changed:': ok ok 14 selftests: lkdtm: UNSET_SMEP.sh # selftests: lkdtm: DOUBLE_FAULT.sh # [ 52.439526] lkdtm: Performing direct entry DOUBLE_FAULT # [ 52.448304] lkdtm: XFAIL: this test is ia32-only # DOUBLE_FAULT: saw 'XFAIL': [SKIP] ok 15 selftests: lkdtm: DOUBLE_FAULT.sh # SKIP # selftests: lkdtm: CORRUPT_PAC.sh # [ 52.613735] lkdtm: Performing direct entry CO[ 54.513631] lkdtm: Performing direct entry EXEC_STACK [ 54.522081] lkdtm: attempting ok execution at ffffffffa4cdf800 [ 54.528606] lkdtm: attempting bad execution at ffffad748223fe18 [ 54.535232] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 54.543597] BUG: unable to handle page fault for address: ffffad748223fe18 [ 54.551279] #PF: supervisor instruction fetch in kernel mode [ 54.557589] #PF: error_code(0x0011) - permissions violation RR[UPT_PAC # [ 52.620797] lkdtm: XFAIL: this test is arm64-onl 54.563813] PGD 100000067 P4D 100000067 PUD 10020b067 PMD 104cef067 PTE 800000010310f063 [ 54.579073] Oops: 0011 [#6] SMP PTI [ 54.582957] CPU: 3 PID: 1667 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 54.591609] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 54.598416] RIP: 0010:0xffffad748223fe18 [ 54.602795] Code: 00 00 18 fe 23 82 74 ad ff ff ff f5 33 a5 ff ff ff ff 20 00 00 00 00 00 00 00 f6 3c d8 a5 ff ff ff ff 2e f7 33 a5 ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 [ 54.623780] RSP: 0018:ffffad748223fdf8 EFLAGS: 00010246 [ 54.629614] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 54.637586] RDX: 0000000000000000 RSI: ffff9c7bbad9bf70 RDI: ffff9c7bbad9bf70 [ 54.645557] RBP: ffffad748223fe18 R08: 0000000000000000 R09: 0000000000000000 [ 54.653528] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b [ 54.661497] R13: ffffad748223ff10 R14: ffffad748223ff10 R15: ffff9c7b43357000 [ 54.669468] FS: 00007efd86e3c580(0000) GS:ffff9c7bbad80000(0000) knlGS:0000000000000000 [ 54.678507] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.684924] CR2: ffffad748223fe18 CR3: 0000000103f7c005 CR4: 00000000003706e0 [ 54.692896] Call Trace: [ 54.695625] ? execute_location+0x45/0x56 [ 54.700101] ? lkdtm_EXEC_STACK+0x26/0x44 [ 54.704579] ? direct_entry.cold+0x2c/0x38 [ 54.709151] ? full_proxy_write+0x53/0x80 [ 54.713628] ? vfs_write+0xe7/0x3a0 [ 54.717522] ? ksys_write+0x68/0xf0 [ 54.721416] ? do_syscall_64+0x30/0x40 [ 54.725600] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 54.731437] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify y # CORRUPT_PAC: saw 'XFAIL': [SKIP] ok 16 selftests: lkdtm: C[ 54.757890] CR2: ffffad748223fe18 [ 54.767802] ---[ end trace 2b9f7943086e2a0b ]--- [ 54.772957] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 54.777348] Code: 89 ff e8 be ae 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 e0 d0 92 02 [ 54.798343] RSP: 0018:ffffad74813e7e60 EFLAGS: 00010286 [ 54.804177] RAX: ffffffffa4cdf430 RBX: 0000000000000001 RCX: 0000000000000000 [ 54.812146] RDX: 0000000000000000 RSI: ffff9c7bbac9bf70 RDI: ffffffffa599bd70 [ 54.820107] RBP: ffffffffa5ddf100 R08: 0000000000000001 R09: 0000000000000001 [ 54.828074] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 54.836043] R13: ffffad74813e7f10 R14: ffffad74813e7f10 R15: ffff9c7b48d52000 [ 54.844012] FS: 00007efd86e3c580(0000) GS:ffff9c7bbad80000(0000) knlGS:0000000000000000 [ 54.853048] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.859465] CR2: ffffad748223fe18 CR3: 0000000103f7c005 CR4: 00000000003706e0 ORRUPT_PAC.sh # SKIP # selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh # [ 52.708757] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 52.720318] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # UNALIGNED_LOAD_STORE_WRITE: saw 'XFAIL': [SKIP] ok 17 selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh # SKIP # selftests: lkdtm: OVERWRITE_ALLOCATION.sh # Skipping OVERWRITE_ALLOCATION: Corrupts memory on failure ok 18 selftests: lkdtm: OVERWRITE_ALLOCATION.sh # SKIP # selftests: lkdtm: WRITE_AFTER_FREE.sh # Skipping WRITE_AFTER_FREE: Corrupts memory on failure ok 19 selftests: lkdtm: WRITE_AFTER_FREE.sh # SKIP # selftests: lkdtm: READ_AFTER_FREE.sh # [ 52.936663] lkdtm: Performing direct entry READ_AFTER_FREE # [ 52.945399] lkdtm: Value in memory before free: 12345678 # [ 52.951343] lkdtm: Attempting bad read from freed memory # [ 52.957288] lkdtm: Memory was not poisoned # READ_AFTER_FREE: missing 'call trace:': [FAIL] not ok 20 selftests: lkdtm: READ_AFTER_FREE.sh # exit=1 # selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # Skipping WRITE_BUDDY_AFTER_FREE: Corrupts memory on failure ok 21 selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # SKIP # selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh # [ 53.131796] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 53.142681] l[ 54.996959] lkdtm: Performing direct entry EXEC_KMALLOC [ 55.003902] lkdtm: attempting ok execution at ffffffffa4cdf800 kdtm: Value in memory before free: 12345678 # [ 53.154831] lk[ 55.010436] lkdtm: attempting bad execution at ffff9c7b44d5dc40 [ 55.023281] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) dtm: Attempting to read from freed memory # [ 53.166876] lkdt[ 55.031649] BUG: unable to handle page fault for address: ffff9c7b44d5dc40 [ 55.045543] #PF: supervisor instruction fetch in kernel mode [ 55.051862] #PF: error_code(0x0011) - permissions violation [ 55.058084] PGD 108401067 P4D 108401067 PUD 100214063 PMD 104c82063 PTE 8000000104d5d063 [ 55.067127] Oops: 0011 [#7] SMP PTI [ 55.071018] CPU: 3 PID: 1703 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 55.079659] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 55.086466] RIP: 0010:0xffff9c7b44d5dc40 [ 55.090844] Code: ad de 80 4a 9f 42 7b 9c ff ff c0 d5 d5 44 7b 9c ff ff 00 00 00 00 00 00 00 00 00 00 00 00 40 00 38 00 09 00 40 00 18 00 17 00 <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 [ 55.111822] RSP: 0018:ffffad74822cfe38 EFLAGS: 00010246 [ 55.117655] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 55.125627] RDX: 0000000000000000 RSI: ffff9c7bbad9bf70 RDI: ffff9c7bbad9bf70 [ 55.133589] RBP: ffff9c7b44d5dc40 R08: 0000000000000000 R09: 0000000000000000 [ 55.141550] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 55.149520] R13: ffffad74822cff10 R14: ffffad74822cff10 R15: ffff9c7b434be000 [ 55.157490] FS: 00007f0e435c7580(0000) GS:ffff9c7bbad80000(0000) knlGS:0000000000000000 [ 55.166529] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.172946] CR2: ffff9c7b44d5dc40 CR3: 0000000104ffc001 CR4: 00000000003706e0 [ 55.180916] Call Trace: [ 55.183645] ? execute_location+0x45/0x56 [ 55.188120] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 [ 55.192790] ? direct_entry.cold+0x2c/0x38 [ 55.197363] ? full_proxy_write+0x53/0x80 [ 55.201831] ? vfs_write+0xe7/0x3a0 [ 55.205724] ? ksys_write+0x68/0xf0 [ 55.209608] ? do_syscall_64+0x30/0x40 [ 55.213782] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 55.219611] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify m: Buddy page was not poisoned # READ_BUDDY_AFTER_FREE: missing[ 55.246062] CR2: ffff9c7b44d5dc40 [ 55.255972] ---[ end trace 2b9f7943086e2a0c ]--- [ 55.261127] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 55.265505] Code: 89 ff e8 be ae 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 e0 d0 92 02 [ 55.286489] RSP: 0018:ffffad74813e7e60 EFLAGS: 00010286 [ 55.292341] RAX: ffffffffa4cdf430 RBX: 0000000000000001 RCX: 0000000000000000 [ 55.300311] RDX: 0000000000000000 RSI: ffff9c7bbac9bf70 RDI: ffffffffa599bd70 [ 55.308292] RBP: ffffffffa5ddf100 R08: 0000000000000001 R09: 0000000000000001 [ 55.316262] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 55.324232] R13: ffffad74813e7f10 R14: ffffad74813e7f10 R15: ffff9c7b48d52000 [ 55.332201] FS: 00007f0e435c7580(0000) GS:ffff9c7bbad80000(0000) knlGS:0000000000000000 [ 55.341239] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.347656] CR2: ffff9c7b44d5dc40 CR3: 0000000104ffc001 CR4: 00000000003706e0 [ 55.355628] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 55.365543] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1703, name: cat [ 55.373998] INFO: lockdep is turned off. [ 55.378373] irq event stamp: 0 [ 55.381778] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 55.388779] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 55.397915] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 55.407050] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 55.414050] CPU: 3 PID: 1703 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 55.422701] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 55.429505] Call Trace: [ 55.432233] dump_stack+0x77/0x9b [ 55.435933] ___might_sleep.cold+0xa6/0xb6 [ 55.440506] exit_signals+0x1c/0x2e0 [ 55.444496] do_exit+0xd5/0xb00 [ 55.448003] ? ksys_write+0x68/0xf0 'call trace:': [FAIL] not ok 22 selftests: lkdtm: READ_BUDDY_A[ 55.451898] rewind_stack_do_exit+0x17/0x20 [ 55.462779] RIP: 0033:0x7f0e434dd8f3 [ 55.466759] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 55.487743] RSP: 002b:00007ffdd48d2978 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 55.496200] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f0e434dd8f3 [ 55.504171] RDX: 000000000000000d RSI: 00007f0e433d0000 RDI: 0000000000000001 [ 55.512141] RBP: 00007f0e433d0000 R08: 00007f0e433cf010 R09: 0000000000000000 [ 55.520112] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 55.528082] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 FTER_FREE.sh # exit=1 # selftests: lkdtm: SLAB_FREE_DOUBLE.sh # [ 53.299402] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 53.308771] lkdtm: Attempting double slab free ... # SLAB_FREE_DOUBLE: missing 'call trace:': [FAIL] not ok 23 selftests: lkdtm: SLAB_FREE_DOUBLE.sh # exit=1 # selftests: lkdtm: SLAB_FREE_CROSS.sh # [ 53.447690] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 53.457114] lkdtm: Attempting cross-cache slab free ... # SLAB_FREE_CROSS: missing 'call trace:': [FAIL] not ok 24 selftests: lkdtm: SLAB_FREE_CROSS.sh # exit=1 # selftests: lkdtm: SLAB_FREE_PAGE.sh # [ 53.574664] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 53.581105] lkdtm: Attempting non-Slab slab free ... # SLAB_FREE_PAGE: missing 'call trace:': [FAIL] not ok 25 selftests: lkdtm: SLAB_FREE_PAGE.sh # exit=1 # selftests: lkdtm: SOFTLOCKUP.sh # Skipping SOFTLOCKUP: Hangs the system ok 26 selftests: lkdtm: SOFTLOCKUP.sh # SKIP # selftests: lkdtm: HARDLOCKUP.sh # Skipping HARDLOCKUP: Hangs the system ok 27 selftests: lkdtm: HARDLOCKUP.sh # SKIP # selftests: lkdtm: SPINLOCKUP.sh # Skipping SPINLOCKUP: Hangs the system ok 28 selftests: lkdtm: SPINLOCKUP.sh # SKIP # selftests: [ 55.651503] lkdtm: Performing direct entry EXEC_VMALLOC [ 55.660028] lkdtm: attempting ok execution at ffffffffa4cdf800 [ 55.666564] lkdtm: attempting bad execution at ffffad7480391000 [ 55.673190] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 55.681556] BUG: unable to handle page fault for address: ffffad7480391000 [ 55.689239] #PF: supervisor instruction fetch in kernel mode [ 55.695559] #PF: error_code(0x0011) - permissions violation lk[dtm: HUNG_TASK.sh # Skipping HUNG_TASK: Hangs the system ok 55.701774] PGD 100000067 P4D 100000067 PUD 10020b067 PMD 10098e067 PTE 8000000104f59063 [ 55.717035] Oops: 0011 [#8] SMP PTI [ 55.720929] CPU: 2 PID: 1739 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 55.729579] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 55.736385] RIP: 0010:0xffffad7480391000 [ 55.740753] Code: Unable to access opcode bytes at RIP 0xffffad7480390fd6. [ 55.748420] RSP: 0018:ffffad748232fe38 EFLAGS: 00010246 [ 55.754253] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 55.762224] RDX: 0000000000000000 RSI: ffff9c7bbad1bf70 RDI: ffff9c7bbad1bf70 [ 55.770194] RBP: ffffad7480391000 R08: 0000000000000000 R09: 0000000000000000 [ 55.778162] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 55.786129] R13: ffffad748232ff10 R14: ffffad748232ff10 R15: ffff9c7b44f59000 [ 55.794098] FS: 00007f270e910580(0000) GS:ffff9c7bbad00000(0000) knlGS:0000000000000000 [ 55.803138] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.809553] CR2: ffffad7480390fd6 CR3: 00000001034bc003 CR4: 00000000003706e0 [ 55.817524] Call Trace: [ 55.820254] ? execute_location+0x45/0x56 [ 55.824730] ? lkdtm_EXEC_VMALLOC+0x20/0x30 [ 55.829399] ? direct_entry.cold+0x2c/0x38 [ 55.833971] ? full_proxy_write+0x53/0x80 [ 55.838447] ? vfs_write+0xe7/0x3a0 [ 55.842344] ? ksys_write+0x68/0xf0 [ 55.846236] ? do_syscall_64+0x30/0x40 [ 55.850418] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 55.856255] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 29 selftests: lkdtm: HUNG_TASK.sh # SKIP # selftests: lkdtm: EX[ 55.882708] CR2: ffffad7480391000 [ 55.892618] ---[ end trace 2b9f7943086e2a0d ]--- [ 55.897773] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 55.902140] Code: 89 ff e8 be ae 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 e0 d0 92 02 [ 55.923126] RSP: 0018:ffffad74813e7e60 EFLAGS: 00010286 [ 55.928959] RAX: ffffffffa4cdf430 RBX: 0000000000000001 RCX: 0000000000000000 [ 55.936936] RDX: 0000000000000000 RSI: ffff9c7bbac9bf70 RDI: ffffffffa599bd70 [ 55.944907] RBP: ffffffffa5ddf100 R08: 0000000000000001 R09: 0000000000000001 [ 55.952877] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 55.960845] R13: ffffad74813e7f10 R14: ffffad74813e7f10 R15: ffff9c7b48d52000 [ 55.968817] FS: 00007f270e910580(0000) GS:ffff9c7bbad00000(0000) knlGS:0000000000000000 [ 55.977855] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.984291] CR2: ffffad7480390fd6 CR3: 00000001034bc003 CR4: 00000000003706e0 EC_DATA.sh # Killed # [ 53.884686] lkdtm: Performing direct entry EXEC_DATA # [ 53.890753] lkdtm: attempting ok execution at ffffffffa4cdf800 # [ 53.897279] lkdtm: attempting bad execution at ffffffffa760c560 # [ 53.903904] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 53.918476] BUG: unable to handle page fault for address: ffffffffa760c560 # [ 53.926148] #PF: supervisor instruction fetch in kernel mode # [ 53.932466] #PF: error_code(0x0011) - permissions violation # [ 53.938688] PGD 106c29067 P4D 106c29067 PUD 106c2a063 PMD 80000001082000e3 # [ 53.946468] Oops: 0011 [#5] SMP PTI # [ 53.950351] CPU: 3 PID: 1631 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 53.958992] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 53.965801] RIP: 0010:data_area+0x0/0x40 # [ 53.970178] Code: ff ff 00 20 51 44 7b 9c ff ff 00 0f 3b 40 7b 9c ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 # [ 53.991165] RSP: 0018:ffffad74821a7e48 EFLAGS: 00010246 # [ 53.996999][ 56.101023] lkdtm: Performing direct entry EXEC_RODATA [ 56.109915] lkdtm: attempting ok execution at ffffffffa4cdf800 [ 56.116444] lkdtm: attempting bad execution at ffffffffa599c200 [ 56.123071] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 56.131435] BUG: unable to handle page fault for address: ffffffffa599c200 [ 56.139114] #PF: supervisor instruction fetch in kernel mode [ 56.145434] #PF: error_code(0x0011) - permissions violation [ 56.151655] PGD 106c29067 P4D 106c29067 PUD 106c2a063 PMD 80000001064000e1 RAX: 0000000000000033 RBX: 0000000000000001 RCX: 00000000000000[ 56.159434] Oops: 0011 [#9] SMP PTI [ 56.169541] CPU: 2 PID: 1775 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 56.178192] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 56.185001] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 [ 56.190737] Code: ff ff 9e 0b 34 a5 ff ff ff ff 42 3f d8 a5 ff ff ff ff e4 f2 33 a5 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 [ 56.211720] RSP: 0018:ffffad74823bfe48 EFLAGS: 00010246 [ 56.217553] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 56.225522] RDX: 0000000000000000 RSI: ffff9c7bbad1bf70 RDI: ffff9c7bbad1bf70 [ 56.233491] RBP: ffffffffa599c200 R08: 0000000000000000 R09: 0000000000000000 [ 56.241461] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 56.249430] R13: ffffad74823bff10 R14: ffffad74823bff10 R15: ffff9c7b4354b000 [ 56.257399] FS: 00007ffb26bcd580(0000) GS:ffff9c7bbad00000(0000) knlGS:0000000000000000 [ 56.266435] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.272852] CR2: ffffffffa599c200 CR3: 000000010351c001 CR4: 00000000003706e0 [ 56.280821] Call Trace: [ 56.283550] ? execute_location+0x45/0x56 [ 56.288026] ? direct_entry.cold+0x2c/0x38 [ 56.292599] ? full_proxy_write+0x53/0x80 [ 56.297073] ? vfs_write+0xe7/0x3a0 [ 56.300964] ? ksys_write+0x68/0xf0 [ 56.304858] ? do_syscall_64+0x30/0x40 [ 56.309040] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 56.314879] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 00 # [ 54.004970] RDX: 0000000000000000 RSI: ffff9c7bbad9bf70[ 56.341329] CR2: ffffffffa599c200 [ 56.351240] ---[ end trace 2b9f7943086e2a0e ]--- [ 56.356395] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 56.360770] Code: 89 ff e8 be ae 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 e0 d0 92 02 [ 56.381753] RSP: 0018:ffffad74813e7e60 EFLAGS: 00010286 [ 56.387588] RAX: ffffffffa4cdf430 RBX: 0000000000000001 RCX: 0000000000000000 [ 56.395558] RDX: 0000000000000000 RSI: ffff9c7bbac9bf70 RDI: ffffffffa599bd70 [ 56.403528] RBP: ffffffffa5ddf100 R08: 0000000000000001 R09: 0000000000000001 [ 56.411496] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 56.419466] R13: ffffad74813e7f10 R14: ffffad74813e7f10 R15: ffff9c7b48d52000 [ 56.427438] FS: 00007ffb26bcd580(0000) GS:ffff9c7bbad00000(0000) knlGS:0000000000000000 [ 56.436476] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.442892] CR2: ffffffffa599c200 CR3: 000000010351c001 CR4: 00000000003706e0 RDI: ffff9c7bbad9bf70 # [ 54.012940] RBP: ffffffffa760c560 R08: 0000000000000000 R09: 0000000000000000 # [ 54.020911] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 54.028880] R13: ffffad74821a7f10 R14: ffffad74821a7f10 R15: ffff9c7b43674000 # [ 54.036851] FS: 00007f3f1de16580(0000) GS:ffff9c7bbad80000(0000) knlGS:0000000000000000 # [ 54.045880] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.052295] CR2: ffffffffa760c560 CR3: 0000000104e92001 CR4: 00000000003706e0 # [ 54.060265] Call Trace: # [ 54.063017] ? execute_location+0x45/0x56 # [ 54.067493] ? direct_entry.cold+0x2c/0x38 # [ 54.072065] ? full_proxy_write+0x53/0x80 # [ 54.076539] ? vfs_write+0xe7/0x3a0 # [ 54.080421] ? ksys_write+0x68/0xf0 # [ 54.084313] ? do_syscall_64+0x30/0x40 # [ 54.088497] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 54.094338] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 54.120790] CR2: ffffffffa760c560 # [ 54.130700] ---[ end trace 2b9f7943086e2a0a ]--- # [ 54.135856] RIP: [ 56.572391] lkdtm: Performing direct entry EXEC_USERSPACE 0010:lkdtm_BUG+0x5/0x10 # [ 54.140232] Code: 89 ff e8 be ae a[ 56.581246] lkdtm: attempting ok execution at ffffffffa4cdf800 3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc[ 56.594011] lkdtm: attempting bad execution at 00007fd3e5f93000 cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 8[ 56.606818] unable to execute userspace code (SMEP?) (uid: 0) [ 56.619435] BUG: unable to handle page fault for address: 00007fd3e5f93000 [ 56.627111] #PF: supervisor instruction fetch in kernel mode [ 56.633431] #PF: error_code(0x0011) - permissions violation [ 56.639651] PGD 8000000108f7a067 P4D 8000000108f7a067 PUD 102789067 PMD 10411d067 PTE 1181ef067 [ 56.649378] Oops: 0011 [#10] SMP PTI [ 56.653357] CPU: 0 PID: 1811 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 56.662005] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 56.668811] RIP: 0010:0x7fd3e5f93000 [ 56.672798] Code: Unable to access opcode bytes at RIP 0x7fd3e5f92fd6. [ 56.680088] RSP: 0018:ffffad748243fe50 EFLAGS: 00010246 [ 56.685914] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 [ 56.693883] RDX: 0000000000000000 RSI: ffff9c7bbac1bf70 RDI: ffff9c7bbac1bf70 [ 56.701851] RBP: 00007fd3e5f93000 R08: 0000000000000000 R09: 0000000000000000 [ 56.709820] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f [ 56.717789] R13: ffffad748243ff10 R14: ffffad748243ff10 R15: ffff9c7b426da000 [ 56.725759] FS: 00007fd3e5f64580(0000) GS:ffff9c7bbac00000(0000) knlGS:0000000000000000 [ 56.734795] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.741210] CR2: 00007fd3e5f93000 CR3: 0000000108e20005 CR4: 00000000003706f0 [ 56.749178] Call Trace: [ 56.751908] ? lkdtm_EXEC_USERSPACE.cold+0x66/0xae [ 56.757252] ? direct_entry.cold+0x2c/0x38 [ 56.761824] ? full_proxy_write+0x53/0x80 [ 56.766296] ? vfs_write+0xe7/0x3a0 [ 56.770194] ? ksys_write+0x68/0xf0 [ 56.774087] ? do_syscall_64+0x30/0x40 [ 56.778288] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 56.784125] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 56.810561] CR2: 00007fd3e5f93000 [ 56.814249] ---[ end trace 2b9f7943086e2a0f ]--- [ 56.819403] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 56.823770] Code: 89 ff e8 be ae 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 e0 d0 92 02 [ 56.844753] RSP: 0018:ffffad74813e7e60 EFLAGS: 00010286 [ 56.850585] RAX: ffffffffa4cdf430 RBX: 0000000000000001 RCX: 0000000000000000 [ 56.858552] RDX: 0000000000000000 RSI: ffff9c7bbac9bf70 RDI: ffffffffa599bd70 [ 56.866520] RBP: ffffffffa5ddf100 R08: 0000000000000001 R09: 0000000000000001 [ 56.874489] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 56.882458] R13: ffffad74813e7f10 R14: ffffad74813e7f10 R15: ffff9c7b48d52000 [ 56.890427] FS: 00007fd3e5f64580(0000) GS:ffff9c7bbac00000(0000) knlGS:0000000000000000 [ 56.899463] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.905878] CR2: 00007fd3e5f93000 CR3: 0000000108e20005 CR4: 00000000003706f0 [ 56.913848] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 56.923750] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1811, name: cat [ 56.932203] INFO: lockdep is turned off. [ 56.936580] irq event stamp: 0 [ 56.939985] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 56.946987] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 56.956131] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 56.965255] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 56.972253] CPU: 0 PID: 1811 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 56.980901] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 56.987705] Call Trace: [ 56.990433] dump_stack+0x77/0x9b [ 56.994135] ___might_sleep.cold+0xa6/0xb6 [ 56.998705] exit_signals+0x1c/0x2e0 [ 57.002686] do_exit+0xd5/0xb00 [ 57.006188] ? ksys_write+0x68/0xf0 [ 57.010082] rewind_stack_do_exit+0x17/0x20 [ 57.014755] RIP: 0033:0x7fd3e5e7a8f3 [ 57.018742] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 57.039721] RSP: 002b:00007fffb84d3a78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 57.048176] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 00007fd3e5e7a8f3 [ 57.056146] RDX: 000000000000000f RSI: 00007fd3e5d6d000 RDI: 0000000000000001 [ 57.064114] RBP: 00007fd3e5d6d000 R08: 00007fd3e5d6c010 R09: 0000000000000000 [ 57.072081] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 57.080051] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 4 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 d0 92 02 # [ 54.161216] RSP: 0018:ffffad74813e7e60 EFLAGS: 00010286 # [ 54.167050] RAX: ffffffffa4cdf430 RBX: 0000000000000001 RCX: 0000000000000000 # [ 54.175020] RDX: 0000000000000000 RSI: ffff9c7bbac9bf70 RDI: ffffffffa599bd70 # [ 54.182992] RBP: ffffffffa5ddf100 R08: 0000000000000001 R09: 0000000000000001 # [ 54.190964] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 54.198937] R13: ffffad74813e7f10 R14: ffffad74813e7f10 R15: ffff9c7b48d52000 # [ 54.206909] FS: 00007f3f1de16580(0000) GS:ffff9c7bbad80000(0000) knlGS:0000000000000000 # [ 54.215937] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.222353] CR2: ffffffffa760c560 CR3: 0000000104e92001 CR4: 00000000003706e0 # [ 54.230343] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 54.240258] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1631, name: cat # [ 54.248705] INFO: lockdep is turned off. # [ 54.253081] irq event stamp: 0 # [ 54.256487] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 54.263486] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 54.272613] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 54.281749] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 54.288746] CPU: 3 PID: 1631 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 54.297394] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 54.304199] Call Trace: # [ 54.306929] dump_stack+0x77/0x9b # [ 54.310628] ___might_sleep.c[ 57.245154] lkdtm: Performing direct entry EXEC_NULL [ 57.255367] lkdtm: attempting ok execution at ffffffffa4cdf800 old+0xa6/0xb6 # [ 54.315201] exit_signals+0x1c/0x2e0 # [ [ 57.261891] lkdtm: attempting bad execution at 0000000000000000 [ 57.274739] BUG: kernel NULL pointer dereference, address: 0000000000000000 54.319189] do_exit+0xd5/0xb00 # [ 54.322693] ? ksys_write+0[ 57.282523] #PF: supervisor instruction fetch in kernel mode [ 57.295055] #PF: error_code(0x0010) - not-present page [ 57.300795] PGD 0 P4D 0 x68/0xf0 # [ 54.326588] rewind_stack_do_exit+0x17/0x20 # [ [ 57.303621] Oops: 0010 [#11] SMP PTI [ 57.313825] CPU: 2 PID: 1847 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 57.322476] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 57.329284] RIP: 0010:0x0 54.331257] RIP: 0033:0x7f3f1dd2c8f3 # [ 54.335238] Code: 8b[ 57.332206] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. [ 57.346098] RSP: 0018:ffffad74824afe48 EFLAGS: 00010246 [ 57.351932] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 57.359902] RDX: 0000000000000000 RSI: ffff9c7bbad1bf70 RDI: ffff9c7bbad1bf70 [ 57.367872] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 57.375841] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 57.383812] R13: ffffad74824aff10 R14: ffffad74824aff10 R15: ffff9c7b40853000 [ 57.391781] FS: 00007f8cccfc8580(0000) GS:ffff9c7bbad00000(0000) knlGS:0000000000000000 [ 57.400820] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.407226] CR2: ffffffffffffffd6 CR3: 000000010340a005 CR4: 00000000003706e0 [ 57.415195] Call Trace: [ 57.417923] execute_location+0x45/0x56 [ 57.422204] direct_entry.cold+0x2c/0x38 [ 57.426582] full_proxy_write+0x53/0x80 [ 57.430864] vfs_write+0xe7/0x3a0 [ 57.434563] ksys_write+0x68/0xf0 [ 57.438262] do_syscall_64+0x30/0x40 [ 57.442249] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 57.447889] RIP: 0033:0x7f8cccede8f3 [ 57.451869] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 57.472854] RSP: 002b:00007ffc0aaeb1f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 57.481309] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f8cccede8f3 [ 57.489278] RDX: 000000000000000a RSI: 00007f8cccdd1000 RDI: 0000000000000001 [ 57.497248] RBP: 00007f8cccdd1000 R08: 00007f8cccdd0010 R09: 0000000000000000 [ 57.505217] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 57.513187] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f [ 57.521163] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 57.553802] CR2: 0000000000000000 [ 57.557499] ---[ end trace 2b9f7943086e2a10 ]--- [ 57.562646] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 57.567023] Code: 89 ff e8 be ae 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 e0 d0 92 02 [ 57.588001] RSP: 0018:ffffad74813e7e60 EFLAGS: 00010286 [ 57.593826] RAX: ffffffffa4cdf430 RBX: 0000000000000001 RCX: 0000000000000000 [ 57.601794] RDX: 0000000000000000 RSI: ffff9c7bbac9bf70 RDI: ffffffffa599bd70 [ 57.609763] RBP: ffffffffa5ddf100 R08: 0000000000000001 R09: 0000000000000001 [ 57.617734] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 57.625703] R13: ffffad74813e7f10 R14: ffffad74813e7f10 R15: ffff9c7b48d52000 [ 57.633675] FS: 00007f8cccfc8580(0000) GS:ffff9c7bbad00000(0000) knlGS:0000000000000000 [ 57.642713] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.649129] CR2: ffffffffffffffd6 CR3: 000000010340a005 CR4: 00000000003706e0 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 54.356216] RSP: 002b:00007ffc8becc518 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 54.364672] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f3f1dd2c8f3 # [ 54.372640] RDX: 000000000000000a RSI: 00007f3f1dc1f000 RDI: 0000000000000001 # [ 54.380612] RBP: 00007f3f1dc1f000 R08: 00007f3f1dc1e010 R09: 0000000000000000 # [ 54.388582] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 54.396552] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_DATA: saw 'call trace:': ok ok 30 selftests: lkdtm: EXEC_DATA.sh # selftests: lkdtm: EXEC_STACK.sh # Killed # [ 54.513631] lkdtm: Performing direct entry EXEC_STACK # [ 54.522081] lkdtm: attempting ok execution at ffffffffa4cdf800 # [ 54.528606] lkdtm: attempting bad execution at ffffad748223fe18 # [ 54.535232] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 54.543597] BUG: unable to handle page fault for address: ffffad748223fe18 # [ 54.551279] #PF: supervisor instruction fetch in kernel mode # [ 54.557589] #PF: er[ 57.772781] lkdtm: Performing direct entry ACCESS_USERSPACE ror_code(0x0011) - permissions violation # [ 54.563813] PGD 1[ 57.781489] lkdtm: attempting bad read at 00007fe889353000 [ 57.793857] BUG: unable to handle page fault for address: 00007fe889353000 00000067 P4D 100000067 PUD 10020b067 PMD 104cef067 PTE 800000010[ 57.801542] #PF: supervisor read access in kernel mode [ 57.813491] #PF: error_code(0x0001) - permissions violation 310f063 # [ 54.579073] Oops: 0011 [#6] SMP PTI # [ 54.5829[ 57.819705] PGD 8000000108d52067 P4D 8000000108d52067 PUD 103065067 PMD 1032f5067 PTE 11039a067 [ 57.835644] Oops: 0001 [#12] SMP PTI [ 57.839634] CPU: 3 PID: 1882 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 57.848293] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 57.855099] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 [ 57.861320] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 60 4c d8 a5 e8 64 99 fd ff 48 c7 c7 88 4c d8 a5 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 4b 99 fd ff 48 89 ee 48 c7 c7 b0 4c d8 [ 57.882304] RSP: 0018:ffffad748254fe48 EFLAGS: 00010246 [ 57.888136] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 [ 57.896104] RDX: 0000000000000000 RSI: ffff9c7bbad9bf70 RDI: ffffffffa5d84c88 [ 57.904072] RBP: 00007fe889353000 R08: 0000000000000000 R09: 0000000000000000 [ 57.912040] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 [ 57.920009] R13: ffffad748254ff10 R14: ffffad748254ff10 R15: ffff9c7b432c9000 [ 57.927978] FS: 00007fe889324580(0000) GS:ffff9c7bbad80000(0000) knlGS:0000000000000000 [ 57.937014] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.943429] CR2: 00007fe889353000 CR3: 000000010314a002 CR4: 00000000003706e0 [ 57.951398] Call Trace: [ 57.954128] direct_entry.cold+0x2c/0x38 [ 57.958506] full_proxy_write+0x53/0x80 [ 57.962789] vfs_write+0xe7/0x3a0 [ 57.966487] ksys_write+0x68/0xf0 [ 57.970184] do_syscall_64+0x30/0x40 [ 57.974164] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 57.979802] RIP: 0033:0x7fe88923a8f3 [ 57.983790] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 58.004771] RSP: 002b:00007ffcd2658b08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 58.013219] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007fe88923a8f3 [ 58.021179] RDX: 0000000000000011 RSI: 00007fe88912d000 RDI: 0000000000000001 [ 58.029146] RBP: 00007fe88912d000 R08: 00007fe88912c010 R09: 0000000000000000 [ 58.037112] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 58.045080] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 58.053050] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 57] CPU: 3 PID: 1667 Comm: cat Tainted: G D W 5.10.[ 58.079501] CR2: 00007fe889353000 [ 58.089414] ---[ end trace 2b9f7943086e2a11 ]--- [ 58.094561] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 58.098937] Code: 89 ff e8 be ae 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 e0 d0 92 02 [ 58.119910] RSP: 0018:ffffad74813e7e60 EFLAGS: 00010286 [ 58.125735] RAX: ffffffffa4cdf430 RBX: 0000000000000001 RCX: 0000000000000000 [ 58.133704] RDX: 0000000000000000 RSI: ffff9c7bbac9bf70 RDI: ffffffffa599bd70 [ 58.141673] RBP: ffffffffa5ddf100 R08: 0000000000000001 R09: 0000000000000001 [ 58.149641] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 58.157612] R13: ffffad74813e7f10 R14: ffffad74813e7f10 R15: ffff9c7b48d52000 [ 58.165581] FS: 00007fe889324580(0000) GS:ffff9c7bbad80000(0000) knlGS:0000000000000000 [ 58.174620] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.181034] CR2: 00007fe889353000 CR3: 000000010314a002 CR4: 00000000003706e0 [ 58.189004] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 58.198906] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1882, name: cat [ 58.207359] INFO: lockdep is turned off. [ 58.211735] irq event stamp: 0 [ 58.215140] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 58.222140] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 58.231293] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 58.240426] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 58.247422] CPU: 3 PID: 1882 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 58.256070] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 58.262873] Call Trace: [ 58.265603] dump_stack+0x77/0x9b [ 58.269302] ___might_sleep.cold+0xa6/0xb6 [ 58.273876] exit_signals+0x1c/0x2e0 [ 58.277865] do_exit+0xd5/0xb00 [ 58.281360] ? ksys_write+0x68/0xf0 [ 58.285244] rewind_stack_do_exit+0x17/0x20 [ 58.289912] RIP: 0033:0x7fe88923a8f3 [ 58.293899] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 58.314881] RSP: 002b:00007ffcd2658b08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 58.323342] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007fe88923a8f3 [ 58.331310] RDX: 0000000000000011 RSI: 00007fe88912d000 RDI: 0000000000000001 [ 58.339291] RBP: 00007fe88912d000 R08: 00007fe88912c010 R09: 0000000000000000 [ 58.347261] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 58.355222] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 153-cip19 #1 # [ 54.591609] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 54.598416] RIP: 0010:0xffffad748223fe18 # [ 54.602795] Code: 00 00 18 fe 23 82 74 ad ff ff ff f5 33 a5 ff ff ff ff 20 00 00 00 00 00 00 00 f6 3c d8 a5 ff ff ff ff 2e f7 33 a5 ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 # [ 54.623780] RSP: 0018:ffffad748223fdf8 EFLAGS: 00010246 # [ 54.629614] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 54.637586] RDX: 0000000000000000 RSI: ffff9c7bbad9bf70 RDI: ffff9c7bbad9bf70 # [ 54.645557] RBP: ffffad748223fe18 R08: 0000000000000000 R09: 0000000000000000 # [ 54.653528] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 54.661497] R13: ffffad748223ff10 R14: ffffad748223ff10 R15: ffff9c7b43357000 # [ 54.669468] FS: 00007efd86e3c580(0000) GS:ffff9c7bbad80000(0000) knlGS:0000000000000000 # [ 54.678507] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.684924] CR2: ffffad748223fe18 CR3: 0000000103f7c005 CR4: 00000000003706e0 # [ 54.692896] Call Trace: # [ 54.695625] ? execute_location+0x45/0x56 # [ 54.700101] ? lkdtm_EXEC_STACK+0x26/0x44 # [ 54.704579] ? direct_entry.cold+0x2c/0x38 # [ 54.709151] ? full_proxy_write+0x53/0x80 # [ 54.713628] ? vfs_write+0xe7/0x3a0 [ 58.490258] lkdtm: Performing direct entry ACCESS_NULL [ 58.499504] lkdtm: attempting bad read at 0000000000000000 [ 58.505664] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 58.513455] #PF: supervisor read access in kernel mode [ 58.519197] #PF: error_code(0x0000) - not-present page # [ 54.717522] ? ksys_write+0x68/0xf0 # [ 54.721416] ? d[ 58.524936] PGD 0 P4D 0 [ 58.533972] Oops: 0000 [#13] SMP PTI [ 58.537963] CPU: 3 PID: 1917 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 58.546614] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 o_[syscall_64+0x30/0x40 # [ 54.725600] ? entry_SYSCALL_64_aft 58.553421] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 [ 58.564889] Code: 08 99 fd ff be 00 10 00 00 48 89 ef e8 f7 7c 3c ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 60 4c d8 a5 e8 e2 98 fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 88 4c d8 a5 48 01 [ 58.585866] RSP: 0018:ffffad74825d7e58 EFLAGS: 00010246 [ 58.591701] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 [ 58.599670] RDX: 0000000000000000 RSI: ffff9c7bbad9bf70 RDI: ffff9c7bbad9bf70 [ 58.607640] RBP: ffffffffa5d83d51 R08: 0000000000000000 R09: 0000000000000000 [ 58.615609] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 58.623577] R13: ffffad74825d7f10 R14: ffffad74825d7f10 R15: ffff9c7b43078000 [ 58.631547] FS: 00007f00fac48580(0000) GS:ffff9c7bbad80000(0000) knlGS:0000000000000000 [ 58.640575] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.646989] CR2: 0000000000000000 CR3: 0000000108db8005 CR4: 00000000003706e0 [ 58.654956] Call Trace: [ 58.657686] direct_entry.cold+0x2c/0x38 [ 58.662064] full_proxy_write+0x53/0x80 [ 58.666346] vfs_write+0xe7/0x3a0 [ 58.670046] ksys_write+0x68/0xf0 [ 58.673745] do_syscall_64+0x30/0x40 [ 58.677724] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 58.683364] RIP: 0033:0x7f00fab5e8f3 [ 58.687354] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 58.708339] RSP: 002b:00007ffed0a6d7e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 58.716797] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f00fab5e8f3 [ 58.724766] RDX: 000000000000000c RSI: 00007f00faa51000 RDI: 0000000000000001 [ 58.732735] RBP: 00007f00faa51000 R08: 00007f00faa50010 R09: 0000000000000000 [ 58.740705] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 58.748671] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 58.756646] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify er_hwframe+0x61/0xc6 # [ 54.731437] Modules linked in: fuse i[ 58.783097] CR2: 0000000000000000 [ 58.793007] ---[ end trace 2b9f7943086e2a12 ]--- [ 58.798163] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 58.802539] Code: 89 ff e8 be ae 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 e0 d0 92 02 [ 58.823514] RSP: 0018:ffffad74813e7e60 EFLAGS: 00010286 [ 58.829349] RAX: ffffffffa4cdf430 RBX: 0000000000000001 RCX: 0000000000000000 [ 58.837318] RDX: 0000000000000000 RSI: ffff9c7bbac9bf70 RDI: ffffffffa599bd70 [ 58.845309] RBP: ffffffffa5ddf100 R08: 0000000000000001 R09: 0000000000000001 [ 58.853295] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 58.861264] R13: ffffad74813e7f10 R14: ffffad74813e7f10 R15: ffff9c7b48d52000 [ 58.869260] FS: 00007f00fac48580(0000) GS:ffff9c7bbad80000(0000) knlGS:0000000000000000 [ 58.878297] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.884713] CR2: 0000000000000000 CR3: 0000000108db8005 CR4: 00000000003706e0 p_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 54.757890] CR2: ffffad748223fe18 # [ 54.767802] ---[ end trace 2b9f7943086e2a0b ]--- # [ 54.772957] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 54.777348] Code: 89 ff e8 be ae 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 e0 d0 92 02 # [ 54.798343] RSP: 0018:ffffad74813e7e60 EFLAGS: 00010286 # [ 54.804177] RAX: ffffffffa4cdf430 RBX: 0000000000000001 RCX: 0000000000000000 # [ 54.812146] RDX: 0000000000000000 RSI: ffff9c7bbac9bf70 RDI: ffffffffa599bd70 # [ 54.820107] RBP: ffffffffa5ddf100 R08: 0000000000000001 R09: 0000000000000001 # [ 54.828074] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 54.836043] R13: ffffad74813e7f10 R14: ffffad74813e7f10 R15: ffff9c7b48d52000 # [ 54.844012] FS: 00007efd86e3c580(0000) GS:ffff9c7bbad80000(0000) knlGS:0000000000000000 # [ 54.853048] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.859465] CR2: ffffad748223fe18 CR3: 0000000103f7c005 CR4: 00000000003706e0 # EXEC_STACK: saw 'call[ 59.022526] lkdtm: Performing direct entry WRITE_RO [ 59.028697] lkdtm: attempting bad rodata write at ffffffffa599c1f0 [ 59.035615] BUG: unable to handle page fault for address: ffffffffa599c1f0 [ 59.043299] #PF: supervisor write access in kernel mode trace:': ok ok 31 selftests: lkdtm: EXEC_STACK.sh # selftests[ 59.049134] #PF: error_code(0x0003) - permissions violation : [lkdtm: EXEC_KMALLOC.sh # Killed # [ 54.996959] lkdtm: Perf 59.061572] PGD 106c29067 P4D 106c29067 PUD 106c2a063 PMD 80000001064000e1 [ 59.075570] Oops: 0003 [#14] SMP PTI [ 59.079561] CPU: 3 PID: 1952 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 59.088210] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 59.095008] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a [ 59.099966] Code: 00 48 c7 c7 40 4b d8 a5 48 c7 c6 f0 c1 99 a5 e8 8c 9b fd ff 48 8b 05 c1 cb 65 00 ba 34 12 cd ab 48 c7 c7 70 4b d8 a5 48 31 d0 <48> 89 05 ab cb 65 00 e9 6a 9b fd ff 0f 1f 44 00 00 48 8b 05 da 0c [ 59.120950] RSP: 0018:ffffad748262fe60 EFLAGS: 00010202 [ 59.126784] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 [ 59.134753] RDX: 00000000abcd1234 RSI: ffff9c7bbad9bf70 RDI: ffffffffa5d84b70 [ 59.142721] RBP: ffffffffa5d83d5d R08: 0000000000000000 R09: 0000000000000000 [ 59.150690] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 [ 59.158660] R13: ffffad748262ff10 R14: ffffad748262ff10 R15: ffff9c7b430d8000 [ 59.166629] FS: 00007f7c8fcf4580(0000) GS:ffff9c7bbad80000(0000) knlGS:0000000000000000 [ 59.175667] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.182082] CR2: ffffffffa599c1f0 CR3: 0000000104a52001 CR4: 00000000003706e0 [ 59.190053] Call Trace: [ 59.192781] direct_entry.cold+0x2c/0x38 [ 59.197160] full_proxy_write+0x53/0x80 [ 59.201441] vfs_write+0xe7/0x3a0 [ 59.205140] ksys_write+0x68/0xf0 [ 59.208837] do_syscall_64+0x30/0x40 [ 59.212827] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 59.218466] RIP: 0033:0x7f7c8fc0a8f3 [ 59.222445] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 59.243431] RSP: 002b:00007fffc41687a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 59.251888] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f7c8fc0a8f3 [ 59.259859] RDX: 0000000000000009 RSI: 00007f7c8fafd000 RDI: 0000000000000001 [ 59.267831] RBP: 00007f7c8fafd000 R08: 00007f7c8fafc010 R09: 0000000000000000 [ 59.275802] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 59.283771] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 59.291744] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify orming direct entry EXEC_KMALLOC # [ 55.003902] lkdtm: attemp[ 59.318195] CR2: ffffffffa599c1f0 [ 59.328109] ---[ end trace 2b9f7943086e2a13 ]--- [ 59.333281] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 59.337665] Code: 89 ff e8 be ae 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 e0 d0 92 02 [ 59.358639] RSP: 0018:ffffad74813e7e60 EFLAGS: 00010286 [ 59.364473] RAX: ffffffffa4cdf430 RBX: 0000000000000001 RCX: 0000000000000000 [ 59.372443] RDX: 0000000000000000 RSI: ffff9c7bbac9bf70 RDI: ffffffffa599bd70 [ 59.380412] RBP: ffffffffa5ddf100 R08: 0000000000000001 R09: 0000000000000001 [ 59.388381] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 59.396351] R13: ffffad74813e7f10 R14: ffffad74813e7f10 R15: ffff9c7b48d52000 [ 59.404341] FS: 00007f7c8fcf4580(0000) GS:ffff9c7bbad80000(0000) knlGS:0000000000000000 [ 59.413370] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.419786] CR2: ffffffffa599c1f0 CR3: 0000000104a52001 CR4: 00000000003706e0 [ 59.427757] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 59.437670] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1952, name: cat [ 59.446124] INFO: lockdep is turned off. [ 59.450501] irq event stamp: 0 [ 59.453907] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 59.460909] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 59.470045] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 59.479181] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 59.486180] CPU: 3 PID: 1952 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 59.494830] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 59.501636] Call Trace: [ 59.504365] dump_stack+0x77/0x9b [ 59.508064] ___might_sleep.cold+0xa6/0xb6 [ 59.512636] exit_signals+0x1c/0x2e0 [ 59.516624] do_exit+0xd5/0xb00 [ 59.520128] ? ksys_write+0x68/0xf0 [ 59.524022] rewind_stack_do_exit+0x17/0x20 [ 59.528691] RIP: 0033:0x7f7c8fc0a8f3 [ 59.532678] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 59.553665] RSP: 002b:00007fffc41687a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 59.562119] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f7c8fc0a8f3 [ 59.570088] RDX: 0000000000000009 RSI: 00007f7c8fafd000 RDI: 0000000000000001 [ 59.578057] RBP: 00007f7c8fafd000 R08: 00007f7c8fafc010 R09: 0000000000000000 [ 59.586026] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 59.593995] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ting ok execution at ffffffffa4cdf800 # [ 55.010436] lkdtm: attempting bad execution at ffff9c7b44d5dc40 # [ 55.023281] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 55.031649] BUG: unable to handle page fault for address: ffff9c7b44d5dc40 # [ 55.045543] #PF: supervisor instruction fetch in kernel mode # [ 55.051862] #PF: error_code(0x0011) - permissions violation # [ 55.058084] PGD 108401067 P4D 108401067 PUD 100214063 PMD 104c82063 PTE 8000000104d5d063 # [ 55.067127] Oops: 0011 [#7] SMP PTI # [ 55.071018] CPU: 3 PID: 1703 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 55.079659] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 55.086466] RIP: 0010:0xffff9c7b44d5dc40 # [ 55.090844] Code: ad de 80 4a 9f 42 7b 9c ff ff c0 d5 d5 44 7b 9c ff ff 00 00 00 00 00 00 00 00 00 00 00 00 40 00 38 00 09 00 40 00 18 00 17 00 <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 # [ 55.111822] RSP: 0018:ffffad74822cfe38 EFLAGS: 00010246 # [ 55.117655] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 55.125627] RDX: 0000000000000000 RSI: ffff9c7bbad9bf70 RDI: ffff9c7bbad9bf70 # [ 55.133589] RBP: ffff9c7b44d5dc40 R08: 0000000000000000 R09: 0000000000000000 # [ 55.141550] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 55.149520] R13: ffffad74822c[ 59.732865] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT ff10 R14: ffffad74822cff10 R15: ffff9c7b434be000 # [ 55.15749[ 59.745300] lkdtm: attempting bad ro_after_init write at ffffffffa5e00330 0] FS: 00007f0e435c7580(0000) GS:ffff9c7bbad80000(0000) knlGS:0[ 59.759125] BUG: unable to handle page fault for address: ffffffffa5e00330 [ 59.772984] #PF: supervisor write access in kernel mode [ 59.778810] #PF: error_code(0x0003) - permissions violation [ 59.785032] PGD 106c29067 P4D 106c29067 PUD 106c2a063 PMD 10005c063 PTE 8000000106a00061 [ 59.794082] Oops: 0003 [#15] SMP PTI [ 59.798071] CPU: 0 PID: 1987 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 59.806723] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 59.813531] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a [ 59.819566] Code: 4b d8 a5 e9 3e 9b fd ff 48 c7 c7 c8 4b d8 a5 e8 32 9b fd ff 48 8b 05 a7 0c ac 00 ba 34 12 cd ab 48 c7 c7 70 4b d8 a5 48 31 d0 <48> 89 05 91 0c ac 00 e9 10 9b fd ff 0f 1f 44 00 00 41 54 48 c7 c7 [ 59.840553] RSP: 0018:ffffad74826b7e60 EFLAGS: 00010202 [ 59.846388] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 [ 59.854357] RDX: 00000000abcd1234 RSI: ffff9c7bbac1bf70 RDI: ffffffffa5d84b70 [ 59.862328] RBP: ffffffffa5d83d66 R08: 0000000000000000 R09: 0000000000000000 [ 59.870299] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 [ 59.878269] R13: ffffad74826b7f10 R14: ffffad74826b7f10 R15: ffff9c7b433c5000 [ 59.886241] FS: 00007fa682f33580(0000) GS:ffff9c7bbac00000(0000) knlGS:0000000000000000 [ 59.895280] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.901696] CR2: ffffffffa5e00330 CR3: 0000000104a40002 CR4: 00000000003706f0 [ 59.909668] Call Trace: [ 59.912398] direct_entry.cold+0x2c/0x38 [ 59.916785] full_proxy_write+0x53/0x80 [ 59.921074] vfs_write+0xe7/0x3a0 [ 59.924779] ksys_write+0x68/0xf0 [ 59.928480] do_syscall_64+0x30/0x40 [ 59.932474] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 59.938113] RIP: 0033:0x7fa682e498f3 [ 59.942104] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 59.963090] RSP: 002b:00007ffd0f6184b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 59.971549] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007fa682e498f3 [ 59.979521] RDX: 0000000000000014 RSI: 00007fa682d3c000 RDI: 0000000000000001 [ 59.987483] RBP: 00007fa682d3c000 R08: 00007fa682d3b010 R09: 0000000000000000 [ 59.995453] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 60.003422] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 60.011396] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 60.037842] CR2: ffffffffa5e00330 [ 60.041539] ---[ end trace 2b9f7943086e2a14 ]--- [ 60.046695] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 60.051072] Code: 89 ff e8 be ae 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 e0 d0 92 02 [ 60.072058] RSP: 0018:ffffad74813e7e60 EFLAGS: 00010286 [ 60.077891] RAX: ffffffffa4cdf430 RBX: 0000000000000001 RCX: 0000000000000000 [ 60.085861] RDX: 0000000000000000 RSI: ffff9c7bbac9bf70 RDI: ffffffffa599bd70 [ 60.093833] RBP: ffffffffa5ddf100 R08: 0000000000000001 R09: 0000000000000001 [ 60.101803] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 60.109773] R13: ffffad74813e7f10 R14: ffffad74813e7f10 R15: ffff9c7b48d52000 [ 60.117744] FS: 00007fa682f33580(0000) GS:ffff9c7bbac00000(0000) knlGS:0000000000000000 [ 60.126781] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.133186] CR2: ffffffffa5e00330 CR3: 0000000104a40002 CR4: 00000000003706f0 000000000000000 # [ 55.166529] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.172946] CR2: ffff9c7b44d5dc40 CR3: 0000000104ffc001 CR4: 00000000003706e0 # [ 55.180916] Call Trace: # [ 55.183645] ? execute_location+0x45/0x56 # [ 55.188120] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 # [ 55.192790] ? direct_entry.cold+0x2c/0x38 # [ 55.197363] ? full_proxy_write+0x53/0x80 # [ 55.201831] ? vfs_write+0xe7/0x3a0 # [ 55.205724] ? ksys_write+0x68/0xf0 # [ 55.209608] ? do_syscall_64+0x30/0x40 # [ 55.213782] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 55.219611] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 55.246062] CR2: ffff9c7b44d5dc40 # [ 55.255972] ---[ end trace 2b9f7943086e2a0c ]--- # [ 55.261127] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 55.265505] Code: 89 ff e8 be ae 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 e0 d0 92 02 # [ 55.286489] RSP: 0018:ffffad74813e7e60 EFLAGS: 00010286 # [ 55.292341] RAX: ffffffffa4cdf430 RBX: 0000000000000001 RCX: 0000000000000000 # [ 55.300311] RDX: 0000000000000000 RSI: ffff9c7bbac9bf70 RDI: ffffffffa599bd70 # [ 55.308292] RBP: ffffffffa5ddf100 R08: 0000000000000001 R09: 0000000000000001 # [ 55.316262] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 55.324232] R13: ffffad74813e7f10 R14: ffffad74813e7f10 R15: ffff9c7b48d52000 # [ 55.332201] FS: 00007f0e435c7580(0000) GS:ffff9c7bbad80000(0000) knlGS:0000000000000000 # [ 55.341239] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080[ 60.317189] lkdtm: Performing direct entry WRITE_KERN 050033 # [ 55.347656] CR2: ffff9c7b44d5dc40 CR3: 0000000104ff[ 60.327091] lkdtm: attempting bad 6684073 byte write at ffffffffa533f5a9 c001 CR4: 00000000003706e0 # [ 55.355628] BUG: sleeping funct[ 60.340790] BUG: unable to handle page fault for address: ffffffffa533f5a9 [ 60.354669] #PF: supervisor write access in kernel mode ion called from invalid context at include/linux/percpu-rwsem.h:[ 60.360503] #PF: error_code(0x0003) - permissions violation 49[ # [ 55.365543] in_atomic(): 0, irqs_disabled(): 1, non_blo 60.372941] PGD 106c29067 P4D 106c29067 PUD 106c2a063 PMD 105e000e1 [ 60.386260] Oops: 0003 [#16] SMP PTI [ 60.390248] CPU: 1 PID: 2022 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 60.398896] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 60.405706] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e ck: 0, pid: 1703, name: cat # [ 55.373998] INFO: lockdep is t[ 60.410859] Code: 53 48 c7 c3 a9 f5 33 a5 49 89 dc 48 89 da 49 81 ec 00 f8 cd a4 4c 89 e6 e8 e5 9a fd ff 48 89 df 4c 89 e1 48 c7 c6 00 f8 cd a4 a4 48 c7 c7 70 4b d8 a5 e8 ca 9a fd ff 5b 41 5c e9 b7 fe ff ff [ 60.438052] RSP: 0018:ffffad7482727e50 EFLAGS: 00010246 [ 60.443885] RAX: 000000000000003c RBX: ffffffffa533f5a9 RCX: 000000000065fda9 [ 60.451853] RDX: 0000000000000000 RSI: ffffffffa4cdf800 RDI: ffffffffa533f5a9 [ 60.459820] RBP: ffffffffa5d83d7a R08: 0000000000000000 R09: 0000000000000000 [ 60.467789] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000065fda9 [ 60.475757] R13: ffffad7482727f10 R14: ffffad7482727f10 R15: ffff9c7b48d36000 [ 60.483724] FS: 00007f50247b4580(0000) GS:ffff9c7bbac80000(0000) knlGS:0000000000000000 [ 60.492761] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.499175] CR2: ffffffffa533f5a9 CR3: 000000010267c005 CR4: 00000000003706e0 [ 60.507141] Call Trace: [ 60.509869] direct_entry.cold+0x2c/0x38 urned off. # [ 55.378373] irq event stamp: 0 # [ 55.381778[ 60.514250] full_proxy_write+0x53/0x80 [ 60.524740] vfs_write+0xe7/0x3a0 ] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ [ 60.528440] ksys_write+0x68/0xf0 [ 60.538349] do_syscall_64+0x30/0x40 55.388779] hardirqs last disabled at (0): [] [ 60.542342] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 60.554193] RIP: 0033:0x7f50246ca8f3 [ 60.558180] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 60.579160] RSP: 002b:00007ffd7711ff28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 60.587612] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f50246ca8f3 [ 60.595580] RDX: 000000000000000b RSI: 00007f50245bd000 RDI: 0000000000000001 [ 60.603539] RBP: 00007f50245bd000 R08: 00007f50245bc010 R09: 0000000000000000 [ 60.611507] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 60.619476] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 copy_process+0x640/0x1c80 # [ 55.397915] softirqs last enabl[ 60.627451] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 60.660088] CR2: ffffffffa533f5a9 [ 60.663786] ---[ end trace 2b9f7943086e2a15 ]--- [ 60.668933] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 60.673311] Code: 89 ff e8 be ae 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 e0 d0 92 02 [ 60.694295] RSP: 0018:ffffad74813e7e60 EFLAGS: 00010286 [ 60.700128] RAX: ffffffffa4cdf430 RBX: 0000000000000001 RCX: 0000000000000000 [ 60.708097] RDX: 0000000000000000 RSI: ffff9c7bbac9bf70 RDI: ffffffffa599bd70 [ 60.716056] RBP: ffffffffa5ddf100 R08: 0000000000000001 R09: 0000000000000001 [ 60.724024] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 60.731993] R13: ffffad74813e7f10 R14: ffffad74813e7f10 R15: ffff9c7b48d52000 [ 60.739960] FS: 00007f50247b4580(0000) GS:ffff9c7bbac80000(0000) knlGS:0000000000000000 [ 60.748995] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.755411] CR2: ffffffffa533f5a9 CR3: 000000010267c005 CR4: 00000000003706e0 [ 60.763379] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 60.773295] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 2022, name: cat [ 60.781748] INFO: lockdep is turned off. [ 60.786123] irq event stamp: 0 [ 60.789528] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 60.796518] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 60.805651] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 60.814776] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 60.821772] CPU: 1 PID: 2022 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 60.830421] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 60.837225] Call Trace: [ 60.839953] dump_stack+0x77/0x9b ed at (0): [] copy_process+0x640/0x1c80 # [ [ 60.843654] ___might_sleep.cold+0xa6/0xb6 [ 60.854435] exit_signals+0x1c/0x2e0 [ 60.858422] do_exit+0xd5/0xb00 [ 60.861927] ? ksys_write+0x68/0xf0 [ 60.865810] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 [ 60.871256] rewind_stack_do_exit+0x17/0x20 55.407050] softirqs last disabled at (0): [<0000000000000000>] [ 60.875925] RIP: 0033:0x7f50246ca8f3 [ 60.886123] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 60.907103] RSP: 002b:00007ffd7711ff28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 60.915560] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f50246ca8f3 [ 60.923529] RDX: 000000000000000b RSI: 00007f50245bd000 RDI: 0000000000000001 [ 60.931497] RBP: 00007f50245bd000 R08: 00007f50245bc010 R09: 0000000000000000 [ 60.939465] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 60.947432] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0x0 # [ 55.414050] CPU: 3 PID: 1703 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 55.422701] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 55.429505] Call Trace: # [ 55.432233] dump_stack+0x77/0x9b # [ 55.435933] ___might_sleep.cold+0xa6/0xb6 # [ 55.440506] exit_signals+0x1c/0x2e0 # [ 55.444496] do_exit+0xd5/0xb00 # [ 55.448003] ? ksys_write+0x68/0xf0 # [ 55.451898] rewind_stack_do_exit+0x17/0x20 # [ 55.462779] RIP: 0033:0x7f0e434dd8f3 # [ 55.466759] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 55.487743] RSP: 002b:00007ffdd48d2978 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 55.496200] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f0e434dd8f3 # [ 55.504171] RDX: 000000000000000d RSI: 00007f0e433d0000 RDI: 0000000000000001 # [ 55.512141] RBP: 00007f0e433d0000 R08: 00007f0e433cf010 R09: 0000000000000000 # [ 55.520112] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 55.528082] 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 # [ 55.651503] lkdtm: Performing direct entry EXEC_VMALLOC # [ 55.660028] lkdtm: attempting ok execution at ffffffffa4cdf800 # [ 55.666564] lkdtm: attempting bad execution at ffffad7480391000 # [ 55.673190] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 55.681556] BUG: unable to handle page fault for address: ffffad7480391000 # [ 55.689239] #PF: supervisor instruction fetch in kernel mode # [ 55.695559] #PF: error_code(0x0011) - permissions violation # [ 55.701774] PGD 100000067 P4D 100000067 PUD 10020b067 P[ 61.137550] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW [ 61.148596] lkdtm: attempting good refcount_inc() without overflow [ 61.155513] lkdtm: attempting bad refcount_inc() overflow [ 61.161550] ------------[ cut here ]------------ [ 61.166706] refcount_t: saturated; leaking memory. [ 61.172084] WARNING: CPU: 2 PID: 2057 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 MD 10098e067 PTE 8000000104f59063 # [ 55.717035] Oops: 0011 [[ 61.181519] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 61.214154] CPU: 2 PID: 2057 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 61.222831] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 61.229638] RIP: 0010:refcount_warn_saturate+0x51/0x110 [ 61.235473] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d cb 2e 94 01 00 75 ee 48 c7 c7 c0 f6 d1 a5 c6 05 bb 2e 94 01 01 e8 ba 8b 95 00 <0f> 0b c3 cc cc cc cc 80 3d a7 2e 94 01 00 75 cb 48 c7 c7 e8 f6 d1 [ 61.256455] RSP: 0018:ffffad74827a7e48 EFLAGS: 00010286 #8] SMP PTI # [ 55.720929] CPU: 2 PID: 1739 Comm: cat Tainted[ 61.262294] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 [ 61.276483] RDX: ffff9c7bbad2c660 RSI: ffff9c7bbad1bf70 RDI: ffff9c7bbad1bf70 [ 61.284453] RBP: ffffffffa5d83d85 R08: 0000000000000000 R09: 0000000000000000 [ 61.292425] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 [ 61.300396] R13: ffffad74827a7f10 R14: ffffad74827a7f10 R15: ffff9c7b43666000 [ 61.308367] FS: 00007f54b75de580(0000) GS:ffff9c7bbad00000(0000) knlGS:0000000000000000 [ 61.317407] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.323824] CR2: 00007f54b73e7000 CR3: 00000001027f8002 CR4: 00000000003706e0 [ 61.331795] Call Trace: [ 61.334526] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 [ 61.339878] direct_entry.cold+0x2c/0x38 : G D W 5.10.153-cip19 #1 # [ 55.729579] Hardwar[ 61.344297] full_proxy_write+0x53/0x80 [ 61.354796] vfs_write+0xe7/0x3a0 [ 61.358518] ksys_write+0x68/0xf0 [ 61.362219] do_syscall_64+0x30/0x40 [ 61.366211] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 61.371853] RIP: 0033:0x7f54b74f48f3 [ 61.375844] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 61.396830] RSP: 002b:00007ffd4ecc9168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 61.405297] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f54b74f48f3 [ 61.413285] RDX: 0000000000000016 RSI: 00007f54b73e7000 RDI: 0000000000000001 e name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 55.736385][ 61.421264] RBP: 00007f54b73e7000 R08: 00007f54b73e6010 R09: 0000000000000000 RIP: 0010:0xffffad7480391000 # [ 55.740753] Code: Unable to [ 61.435450] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 access opcode bytes at RIP 0xffffad7480390fd6. # [ 55.748420][ 61.449634] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 61.463846] irq event stamp: 0 RSP: 0018:ffffad748232fe38 EFLAGS: 00010246 # [ 55.754253] R[ 61.467265] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 61.480478] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 61.489646] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 61.498831] softirqs last disabled at (0): [<0000000000000000>] 0x0 AX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000[ 61.505842] ---[ end trace 2b9f7943086e2a16 ]--- [ 61.517203] lkdtm: Overflow detected: saturated # [ 55.762224] RDX: 0000000000000000 RSI: ffff9c7bbad1bf70 RDI: ffff9c7bbad1bf70 # [ 55.770194] RBP: ffffad7480391000 R08: 0000000000000000 R09: 0000000000000000 # [ 55.778162] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 55.786129] R13: ffffad748232ff10 R14: ffffad748232ff10 R15: ffff9c7b44f59000 # [ 55.794098] FS: 00007f270e910580(0000) GS:ffff9c7bbad00000(0000) knlGS:0000000000000000 # [ 55.803138] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.809553] CR2: ffffad7480390fd6 CR3: 00000001034bc003 CR4: 00000000003706e0 # [ 55.817524] Call Trace: # [ 55.820254] ? execute_location+0x45/0x56 # [ 55.824730] ? lkdtm_EXEC_VMALLOC+0x20/0x30 # [ 55.829399] ? direct_entry.cold+0x2c/0x38 # [ 55.833971] ? full_proxy_write+0x53/0x80 # [ 55.838447] ? vfs_write+0xe7/0x3a0 # [ 55.842344] ? ksys_write+0x68/0xf0 # [ 55.846236] ? do_syscall_64+0x30/0x40 # [ 55.850418] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 55.856255] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sen[ 61.636649] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW sorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ [ 61.647216] lkdtm: attempting good refcount_add() without overflow 55.882708] CR2: ffffad7480391000 # [ 55.892618] ---[ end tra[ 61.660351] lkdtm: attempting bad refcount_add() overflow [ 61.672591] ------------[ cut here ]------------ ce 2b9f7943086e2a0d ]--- # [ 55.897773] RIP: 0010:lkdtm_BUG+0[ 61.677749] refcount_t: saturated; leaking memory. x5/0x10 # [ 55.902140] Code: 89 ff e8 be ae a3 ff 48 c7 c0 ea[ 61.689339] WARNING: CPU: 1 PID: 2089 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 [ 61.704956] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 61.737589] CPU: 1 PID: 2089 Comm: cat Tainted: G D W 5.10.153-cip19 #1 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00[ 61.746244] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 0f 1f 44 00 00 83 05 e0 d0 92 02 # [ 55.923126] RSP: 0018:ff[ 61.759267] RIP: 0010:refcount_warn_saturate+0x51/0x110 ffad74813e7e60 EFLAGS: 00010286 # [ 55.928959] RAX: ffffffffa[ 61.771361] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d cb 2e 94 01 00 75 ee 48 c7 c7 c0 f6 d1 a5 c6 05 bb 2e 94 01 01 e8 ba 8b 95 00 <0f> 0b c3 cc cc cc cc 80 3d a7 2e 94 01 00 75 cb 48 c7 c7 e8 f6 d1 4cdf430 RBX: 0000000000000001 RCX: 0000000000000000 # [ 55.93[ 61.798539] RSP: 0018:ffffad748283fe48 EFLAGS: 00010286 6936] RDX: 0000000000000000 RSI: ffff9c7bbac9bf70 RDI: ffffffffa[ 61.810612] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 599bd70 # [ 55.944907] RBP: ffffffffa5ddf100 R08: 00000000000[ 61.824782] RDX: ffff9c7bbacac660 RSI: ffff9c7bbac9bf70 RDI: ffff9c7bbac9bf70 00001 R09: 0000000000000001 # [ 55.952877] R10: 00000000ffffe[ 61.838964] RBP: ffffffffa5d83d9b R08: 0000000000000000 R09: 0000000000000000 000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 55.960845[ 61.853152] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 ] R13: ffffad74813e7f10 R14: ffffad74813e7f10 R15: ffff9c7b48d52[ 61.867347] R13: ffffad748283ff10 R14: ffffad748283ff10 R15: ffff9c7b44f1b000 000 # [ 55.968817] FS: 00007f270e910580(0000) GS:ffff9c7bbad[ 61.881534] FS: 00007f2a3fc1c580(0000) GS:ffff9c7bbac80000(0000) knlGS:0000000000000000 00000(0000) knlGS:0000000000000000 # [ 55.977855] CS: 0010 D[ 61.896791] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 S: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.984291] CR2: ff[ 61.909428] CR2: 00007f2a3fa25000 CR3: 0000000103012005 CR4: 00000000003706e0 ffad7480390fd6 CR3: 00000001034bc003 CR4: 00000000003706e0 # EX[ 61.923617] Call Trace: EC_VMALLOC: saw 'call trace:': ok ok 33 selftests: lkdtm: EXEC_[ 61.932566] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 VMALLOC.sh # selftests: lkdtm: EXEC_RODATA.sh # Killed # [ [ 61.944134] direct_entry.cold+0x2c/0x38 56.101023] lkdtm: Performing direct entry EXEC_RODATA # [ 56.[ 61.954730] full_proxy_write+0x53/0x80 109915] lkdtm: attempting ok execution at ffffffffa4cdf800 # [ [ 61.965226] vfs_write+0xe7/0x3a0 56.116444] lkdtm: attempting bad execution at ffffffffa599c200[ 61.975143] ksys_write+0x68/0xf0 # [ 56.123071] kernel tried to execute NX-protected page - e[ 61.985061] do_syscall_64+0x30/0x40 xploit attempt? (uid: 0) # [ 56.131435] BUG: unable to handle[ 61.995303] entry_SYSCALL_64_after_hwframe+0x61/0xc6 page fault for address: ffffffffa599c200 # [ 56.139114] #PF:[ 62.007168] RIP: 0033:0x7f2a3fb328f3 supervisor instruction fetch in kernel mode # [ 56.145434] #[ 62.017373] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 PF: error_code(0x0011) - permissions violation # [ 56.151655][ 62.044577] RSP: 002b:00007fffa31af168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 PGD 106c29067 P4D 106c29067 PUD 106c2a063 PMD 80000001064000e1 [ 62.059248] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f2a3fb328f3 # [ 56.159434] Oops: 0011 [#9] SMP PTI # [ 56.169541] CPU[ 62.073435] RDX: 0000000000000016 RSI: 00007f2a3fa25000 RDI: 0000000000000001 : 2 PID: 1775 Comm: cat Tainted: G D W 5.10.153-cip[ 62.087621] RBP: 00007f2a3fa25000 R08: 00007f2a3fa24010 R09: 0000000000000000 19 #1 # [ 56.178192] Hardware name: Google Rammus/Rammus, BIO[ 62.101809] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 S 09/04/2020 # [ 56.185001] RIP: 0010:lkdtm_rodata_do_nothin[ 62.115996] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 g+0x0/0x10 # [ 56.190737] Code: ff ff 9e 0b 34 a5 ff ff ff ff[ 62.130189] irq event stamp: 0 42 3f d8 a5 ff ff ff ff e4 f2 33 a5 ff ff ff ff 55 aa 55 aa 00 [ 62.139807] hardirqs last enabled at (0): [<0000000000000000>] 0x0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00[ 62.153022] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 00 00 00 00 00 00 54 68 69 73 20 69 # [ 56.211720] RSP: 0018[ 62.168375] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 :ffffad74823bfe48 EFLAGS: 00010246 # [ 56.217553] RAX: 000000[ 62.183727] softirqs last disabled at (0): [<0000000000000000>] 0x0 0000000033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 56[ 62.196944] ---[ end trace 2b9f7943086e2a17 ]--- .225522] RDX: 0000000000000000 RSI: ffff9c7bbad1bf70 RDI: ffff9c[ 62.208318] lkdtm: Overflow detected: saturated 7bbad1bf70 # [ 56.233491] RBP: ffffffffa599c200 R08: 0000000000000000 R09: 0000000000000000 # [ 56.241461] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 56.249430] R13: ffffad74823bff10 R14: ffffad74823bff10 R15: ffff9c7b4354b000 # [ 56.257399] FS: 00007ffb26bcd580(0000) GS:ffff9c7bbad00000(0000) knlGS:0000000000000000 # [ 56.266435] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.272852] CR2: ffffffffa599c200 CR3: 000000010351c001 CR4: 00000000003706e0 # [ 56.280821] Call Trace: # [ 56.283550] ? execute_location+0x45/0x56 # [ 56.288026] ? direct_entry.cold+0x2c/0x38 # [ 56.292599] ? full_proxy_write+0x53/0x80 # [ 56.297073] ? vfs_write+0xe7/0x3a0 # [ 56.300964] ? ksys_write+0x68/0xf0 # [ 56.304858] ? do_syscall_64+0x30/0x40 # [ 56.309040] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 56.314879] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify #[ 62.327481] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW [ 62.339047] lkdtm: attempting bad refcount_inc_not_zero() overflow [ 62.345956] ------------[ cut here ]------------ [ 56.341329] CR2: ffffffffa599c200 # [ 56.351240] ---[ end[ 62.351120] refcount_t: saturated; leaking memory. trace 2b9f7943086e2a0e ]--- # [ 56.356395] RIP: 0010:lkdtm_B[ 62.362695] WARNING: CPU: 3 PID: 2121 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 [ 62.378345] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify UG+0x5/0x10 # [ 56.360770] Code: 89 ff e8 be ae a3 ff 48 c7 c[ 62.404802] CPU: 3 PID: 2121 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 62.419689] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0[ 62.426507] RIP: 0010:refcount_warn_saturate+0x97/0x110 [ 62.438552] Code: 01 01 e8 97 8b 95 00 0f 0b c3 cc cc cc cc 80 3d 86 2e 94 01 00 75 a8 48 c7 c7 c0 f6 d1 a5 c6 05 76 2e 94 01 01 e8 74 8b 95 00 <0f> 0b c3 cc cc cc cc 80 3d 60 2e 94 01 00 75 85 48 c7 c7 18 f7 d1 [ 62.459537] RSP: 0018:ffffad748289fe38 EFLAGS: 00010282 [ 62.465376] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 [ 62.473351] RDX: ffff9c7bbadac660 RSI: ffff9c7bbad9bf70 RDI: ffff9c7bbad9bf70 [ 62.481339] RBP: ffffffffa5d839d8 R08: 0000000000000000 R09: 0000000000000000 [ 62.489344] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 62.497324] R13: ffffad748289ff10 R14: ffffad748289ff10 R15: ffff9c7b438aa000 [ 62.505299] FS: 00007fb52dc5a580(0000) GS:ffff9c7bbad80000(0000) knlGS:0000000000000000 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 0[ 62.514339] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.526970] CR2: 00007fb52da63000 CR3: 00000001031b8005 CR4: 00000000003706e0 [ 62.534944] Call Trace: [ 62.537676] __refcount_add_not_zero.constprop.0+0x2a/0x35 0 00 0f 1f 44 00 00 83 05 e0 d0 92 02 # [ 56.381753] RSP: 001[ 62.543828] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 [ 62.556260] direct_entry.cold+0x2c/0x38 [ 62.560641] full_proxy_write+0x53/0x80 [ 62.564949] vfs_write+0xe7/0x3a0 [ 62.568680] ksys_write+0x68/0xf0 [ 62.572405] do_syscall_64+0x30/0x40 [ 62.576421] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 62.582089] RIP: 0033:0x7fb52db708f3 [ 62.586081] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 62.607061] RSP: 002b:00007ffe72bfb4e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 62.615518] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fb52db708f3 8:ffffad74813e7e60 EFLAGS: 00010286 # [ 56.387588] RAX: fffff[ 62.623492] RDX: 000000000000001f RSI: 00007fb52da63000 RDI: 0000000000000001 fffa4cdf430 RBX: 0000000000000001 RCX: 0000000000000000 # [ 5[ 62.637682] RBP: 00007fb52da63000 R08: 00007fb52da62010 R09: 0000000000000000 [ 62.651870] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 62.659845] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 62.667840] irq event stamp: 0 6.395558] RDX: 0000000000000000 RSI: ffff9c7bbac9bf70 RDI: fffff[ 62.671256] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 62.684469] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 62.693608] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 62.702745] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 62.709747] ---[ end trace 2b9f7943086e2a18 ]--- [ 62.714902] lkdtm: Overflow detected: saturated fffa599bd70 # [ 56.403528] RBP: ffffffffa5ddf100 R08: 0000000000000001 R09: 0000000000000001 # [ 56.411496] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 56.419466] R13: ffffad74813e7f10 R14: ffffad74813e7f10 R15: ffff9c7b48d52000 # [ 56.427438] FS: 00007ffb26bcd580(0000) GS:ffff9c7bbad00000(0000) knlGS:0000000000000000 # [ 56.436476] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.442892] CR2: ffffffffa599c200 CR3: 000000010351c001 CR4: 00000000003706e0 # EXEC_RODATA: saw 'call trace:': ok ok 34 selftests: lkdtm: EXEC_RODATA.sh # selftests: lkdtm: EXEC_USERSPACE.sh # Killed # [ 56.572391] lkdtm: Performing direct entry EXEC_USERSPACE # [ 56.581246] lkdtm: attempting ok execution at ffffffffa4cdf800 # [ 56.594011] lkdtm: attempting bad execution at 00007fd3e5f93000 # [ 56.606818] unable to execute userspace code (SMEP?) (uid: 0) # [ 56.619435] BUG: unable to handle page fault for address: 00007fd3e5f93000 # [ 56.627111] #PF: supervisor instruction fetch in kernel mode # [ 56.633431] #PF: error_code(0x0011) - permissions violation # [ 56.639651] PGD 8000000108f7a067 P4D 8000000108f7a067 PUD 102789067 PMD 10411d067 PTE 1181ef067 # [ 56.649378] Oops: 0011 [#10] SMP PTI # [ 56.65[ 62.838770] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW 3357] CPU: 0 PID: 1811 Comm: cat Tainted: G D W 5.1[ 62.851959] lkdtm: attempting bad refcount_add_not_zero() overflow 0.153-cip19 #1 # [ 56.662005] Hardware name: Google Rammus/Ra[ 62.865100] ------------[ cut here ]------------ [ 62.876450] refcount_t: saturated; leaking memory. mmus, BIOS 09/04/2020 # [ 56.668811] RIP: 0010:0x7fd3e5f9300[ 62.881833] WARNING: CPU: 1 PID: 2153 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 0 # [ 56.672798] Code: Unable to access opcode bytes at RIP 0[ 62.897445] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify x7fd3e5f92fd6. # [ 56.680088] RSP: 0018:ffffad748243fe50 EFLA[ 62.930089] CPU: 1 PID: 2153 Comm: cat Tainted: G D W 5.10.153-cip19 #1 GS: 00010246 # [ 56.685914] RAX: 0000000000000033 RBX: 000000[ 62.944960] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 0000000024 RCX: 0000000000000000 # [ 56.693883] RDX: 00000000[ 62.957982] RIP: 0010:refcount_warn_saturate+0x97/0x110 00000000 RSI: ffff9c7bbac1bf70 RDI: ffff9c7bbac1bf70 # [ 56.7[ 62.970032] Code: 01 01 e8 97 8b 95 00 0f 0b c3 cc cc cc cc 80 3d 86 2e 94 01 00 75 a8 48 c7 c7 c0 f6 d1 a5 c6 05 76 2e 94 01 01 e8 74 8b 95 00 <0f> 0b c3 cc cc cc cc 80 3d 60 2e 94 01 00 75 85 48 c7 c7 18 f7 d1 01851] RBP: 00007fd3e5f93000 R08: 0000000000000000 R09: 00000000[ 62.997254] RSP: 0018:ffffad7482947e38 EFLAGS: 00010282 00000000 # [ 56.709820] R10: 00000000ffffe000 R11: 3fffffffff[ 63.009295] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 [ 63.023482] RDX: ffff9c7bbacac660 RSI: ffff9c7bbac9bf70 RDI: ffff9c7bbac9bf70 ffffff R12: 000000000000000f # [ 56.717789] R13: ffffad748243[ 63.031456] RBP: ffffffffa5d839f8 R08: 0000000000000000 R09: 0000000000000000 [ 63.045636] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f ff10 R14: ffffad748243ff10 R15: ffff9c7b426da000 # [ 56.72575[ 63.053607] R13: ffffad7482947f10 R14: ffffad7482947f10 R15: ffff9c7b48d37000 [ 63.067787] FS: 00007f8bddb86580(0000) GS:ffff9c7bbac80000(0000) knlGS:0000000000000000 9] FS: 00007fd3e5f64580(0000) GS:ffff9c7bbac00000(0000) knlGS:0[ 63.076828] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.089454] CR2: 00007f8bdd98f000 CR3: 0000000104ce8006 CR4: 00000000003706e0 000000000000000 # [ 56.734795] CS: 0010 DS: 0000 ES: 0000 CR[ 63.097428] Call Trace: 0: 0000000080050033 # [ 56.741210] CR2: 00007fd3e5f93000 CR3:[ 63.106371] __refcount_add_not_zero.constprop.0+0x2a/0x35 0000000108e20005 CR4: 00000000003706f0 # [ 56.749178] Call T[ 63.118711] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 [ 63.131146] direct_entry.cold+0x2c/0x38 race: # [ 56.751908] ? lkdtm_EXEC_USERSPACE.cold+0x66/0xae [ 63.135528] full_proxy_write+0x53/0x80 # [ 56.757252] ? direct_entry.cold+0x2c/0x38 # [ 56.761824[ 63.146021] vfs_write+0xe7/0x3a0 ] ? full_proxy_write+0x53/0x80 # [ 56.766296] ? vfs_write+0[ 63.155935] ksys_write+0x68/0xf0 xe7/0x3a0 # [ 56.770194] ? ksys_write+0x68/0xf0 # [ 56.77[ 63.165850] do_syscall_64+0x30/0x40 4087] ? do_syscall_64+0x30/0x40 # [ 56.778288] ? entry_SYSC[ 63.176054] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 63.187913] RIP: 0033:0x7f8bdda9c8f3 ALL_64_after_hwframe+0x61/0xc6 # [ 56.784125] Modules linked [ 63.191905] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 63.219093] RSP: 002b:00007fff196d8a98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industri[ 63.227553] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f8bdda9c8f3 alio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cro[ 63.241737] RDX: 000000000000001f RSI: 00007f8bdd98f000 RDI: 0000000000000001 s_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x8[ 63.255927] RBP: 00007f8bdd98f000 R08: 00007f8bdd98e010 R09: 0000000000000000 [ 63.270115] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 6_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 56.81056[ 63.278086] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 1] CR2: 00007fd3e5f93000 # [ 56.814249] ---[ end trace 2b9f79[ 63.292287] irq event stamp: 0 43086e2a0f ]--- # [ 56.819403] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 63.301914] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 56.823770] Code: 89 ff e8 be ae a3 ff 48 c7 c0 ea ff ff ff[ 63.315131] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff [ 63.330481] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 63.345831] softirqs last disabled at (0): [<0000000000000000>] 0x0 eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44[ 63.352834] ---[ end trace 2b9f7943086e2a19 ]--- [ 63.364199] lkdtm: Overflow detected: saturated 00 00 83 05 e0 d0 92 02 # [ 56.844753] RSP: 0018:ffffad74813e7e60 EFLAGS: 00010286 # [ 56.850585] RAX: ffffffffa4cdf430 RBX: 0000000000000001 RCX: 0000000000000000 # [ 56.858552] RDX: 0000000000000000 RSI: ffff9c7bbac9bf70 RDI: ffffffffa599bd70 # [ 56.866520] RBP: ffffffffa5ddf100 R08: 0000000000000001 R09: 0000000000000001 # [ 56.874489] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 56.882458] R13: ffffad74813e7f10 R14: ffffad74813e7f10 R15: ffff9c7b48d52000 # [ 56.890427] FS: 00007fd3e5f64580(0000) GS:ffff9c7bbac00000(0000) knlGS:0000000000000000 # [ 56.899463] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.905878] CR2: 00007fd3e5f93000 CR3: 0000000108e20005 CR4: 00000000003706f0 # [ 56.913848] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 56.923750] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1811, name: cat # [ 56.932203] INFO: lockdep is turned off. # [ 56.936580] irq event stamp: 0 # [ 56.939985] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 56.946987] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 56.956131] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 56.965255] softirqs last disabled at (0)[ 63.494647] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO : [<0000000000000000>] 0x0 # [ 56.972253] CPU: 0 PID: 1811 Co[ 63.506111] lkdtm: attempting good refcount_dec() mm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 56.[ 63.517580] lkdtm: attempting bad refcount_dec() to zero 980901] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 #[ 63.529707] ------------[ cut here ]------------ [ 63.541079] refcount_t: decrement hit 0; leaking memory. [ 56.987705] Call Trace: # [ 56.990433] dump_stack+0x77/0[ 63.547042] WARNING: CPU: 1 PID: 2185 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 x9b # [ 56.994135] ___might_sleep.cold+0xa6/0xb6 # [ 56.9[ 63.562650] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 98705] exit_signals+0x1c/0x2e0 # [ 57.002686] do_exit+0xd5/[ 63.595310] CPU: 1 PID: 2185 Comm: cat Tainted: G D W 5.10.153-cip19 #1 0xb00 # [ 57.006188] ? ksys_write+0x68/0xf0 # [ 57.010082[ 63.610164] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 63.623182] RIP: 0010:refcount_warn_saturate+0xfb/0x110 ] rewind_stack_do_exit+0x17/0x20 # [ 57.014755] RIP: 0033:0x[ 63.629019] Code: 70 f7 d1 a5 c6 05 27 2e 94 01 01 e8 2a 8b 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 40 f7 d1 a5 c6 05 0e 2e 94 01 01 e8 10 8b 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 7fd3e5e7a8f3 # [ 57.018742] Code: 8b 15 a1 25 0e 00 f7 d8 64 [ 63.656210] RSP: 0018:ffffad74829afe48 EFLAGS: 00010286 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 0[ 63.668281] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 [ 63.682464] RDX: ffff9c7bbacac660 RSI: ffff9c7bbac9bf70 RDI: ffff9c7bbac9bf70 0 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 [ 63.690437] RBP: ffffffffa5d83db1 R08: 0000000000000000 R09: 0000000000000000 [ 63.704618] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 57.039721] RSP: 00[ 63.712592] R13: ffffad74829aff10 R14: ffffad74829aff10 R15: ffff9c7b4285b000 [ 63.726770] FS: 00007fa9c1195580(0000) GS:ffff9c7bbac80000(0000) knlGS:0000000000000000 2b:00007fffb84d3a78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 63.735812] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.748439] CR2: 00007fa9c0f9e000 CR3: 00000001031b8004 CR4: 00000000003706e0 # [ 57.048176] RAX: ffffffffffffffda RBX: 000000000000000f RC[ 63.756410] Call Trace: X: 00007fd3e5e7a8f3 # [ 57.056146] RDX: 000000000000000f RSI:[ 63.765355] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd 00007fd3e5d6d000 RDI: 0000000000000001 # [ 57.064114] RBP: 0[ 63.776528] direct_entry.cold+0x2c/0x38 0007fd3e5d6d000 R08: 00007fd3e5d6c010 R09: 0000000000000000 # [[ 63.787120] full_proxy_write+0x53/0x80 57.072081] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0[ 63.797623] vfs_write+0xe7/0x3a0 000000000000001 # [ 57.080051] R13: 0000000000000001 R14: 000[ 63.807536] ksys_write+0x68/0xf0 0000000020000 R15: 0000000000020000 # EXEC_USERSPACE: saw 'call[ 63.817452] do_syscall_64+0x30/0x40 trace:': ok ok 35 selftests: lkdtm: EXEC_USERSPACE.sh # selft[ 63.827657] entry_SYSCALL_64_after_hwframe+0x61/0xc6 ests: lkdtm: EXEC_NULL.sh # Killed # [ 57.245154] lkdtm: Per[ 63.839512] RIP: 0033:0x7fa9c10ab8f3 forming direct entry EXEC_NULL # [ 57.255367] lkdtm: attempti[ 63.849717] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 ng ok execution at ffffffffa4cdf800 # [ 57.261891] lkdtm: att[ 63.876913] RSP: 002b:00007ffd8e293e98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 empting bad execution at 0000000000000000 # [ 57.274739] BUG:[ 63.891587] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fa9c10ab8f3 kernel NULL pointer dereference, address: 0000000000000000 # [[ 63.905774] RDX: 0000000000000012 RSI: 00007fa9c0f9e000 RDI: 0000000000000001 57.282523] #PF: supervisor instruction fetch in kernel mode [ 63.919962] RBP: 00007fa9c0f9e000 R08: 00007fa9c0f9d010 R09: 0000000000000000 # [ 57.295055] #PF: error_code(0x0010) - not-present page # [[ 63.934147] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 57.300795] PGD 0 P4D 0 # [ 57.303621] Oops: 0010 [#11] SM[ 63.948343] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 P PTI # [ 57.313825] CPU: 2 PID: 1847 Comm: cat Tainted: G [ 63.962537] irq event stamp: 0 D W 5.10.153-cip19 #1 # [ 57.322476] Hardware name[ 63.972156] hardirqs last enabled at (0): [<0000000000000000>] 0x0 : Google Rammus/Rammus, BIOS 09/04/2020 # [ 57.329284] RIP: [ 63.985373] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 0010:0x0 # [ 57.332206] Code: Unable to access opcode bytes a[ 64.000724] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 t RIP 0xffffffffffffffd6. # [ 57.346098] RSP: 0018:ffffad7482[ 64.016076] softirqs last disabled at (0): [<0000000000000000>] 0x0 4afe48 EFLAGS: 00010246 # [ 57.351932] RAX: 0000000000000033 [ 64.029296] ---[ end trace 2b9f7943086e2a1a ]--- RBX: 0000000000000000 RCX: 0000000000000000 # [ 57.359902] RD[ 64.040668] lkdtm: Zero detected: saturated X: 0000000000000000 RSI: ffff9c7bbad1bf70 RDI: ffff9c7bbad1bf70 # [ 57.367872] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 # [ 57.375841] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 57.383812] R13: ffffad74824aff10 R14: ffffad74824aff10 R15: ffff9c7b40853000 # [ 57.391781] FS: 00007f8cccfc8580(0000) GS:ffff9c7bbad00000(0000) knlGS:0000000000000000 # [ 57.400820] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.407226] CR2: ffffffffffffffd6 CR3: 000000010340a005 CR4: 00000000003706e0 # [ 57.415195] Call Trace: # [ 57.417923] execute_location+0x45/0x56 # [ 57.422204] direct_entry.cold+0x2c/0x38 # [ 57.426582] full_proxy_write+0x53/0x80 # [ 57.430864] vfs_write+0xe7/0x3a0 # [ 57.434563] ksys_write+0x68/0xf0 # [ 57.438262] do_syscall_64+0x30/0x40 # [ 57.442249] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 57.447889] RIP: 0033:0x7f8cccede8f3 # [ 57.451869] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 [ 64.157625] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE 83 ec 28 48 89 54 24 18 # [ 57.472854] RSP: 002b:00007ffc0aae[ 64.170160] lkdtm: attempting bad refcount_dec() below zero b1f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 57.48130[ 64.182620] ------------[ cut here ]------------ 9] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f8ccced[ 64.193987] refcount_t: decrement hit 0; leaking memory. e8f3 # [ 57.489278] RDX: 000000000000000a RSI: 00007f8cccdd10[ 64.206194] WARNING: CPU: 0 PID: 2220 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 00 RDI: 0000000000000001 # [ 57.497248] RBP: 00007f8cccdd1000[ 64.221788] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify R08: 00007f8cccdd0010 R09: 0000000000000000 # [ 57.505217] R[ 64.254473] CPU: 0 PID: 2220 Comm: cat Tainted: G D W 5.10.153-cip19 #1 10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001[ 64.269356] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 57.513187] R13: 0000000000000001 R14: 0000000000020000 R[ 64.282342] RIP: 0010:refcount_warn_saturate+0xfb/0x110 15: 0000000000020000 # [ 57.521163] Modules linked in: fuse i[ 64.294393] Code: 70 f7 d1 a5 c6 05 27 2e 94 01 01 e8 2a 8b 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 40 f7 d1 a5 c6 05 0e 2e 94 01 01 e8 10 8b 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b p_tables cros_ec_sensors cros_ec_sensors_core industrialio_trigg[ 64.321584] RSP: 0018:ffffad7482a3fe48 EFLAGS: 00010286 ered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_light[ 64.333640] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 bar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp[ 64.347811] RDX: ffff9c7bbac2c660 RSI: ffff9c7bbac1bf70 RDI: ffff9c7bbac1bf70 _thermal cros_ec_dev cros_usbpd_notify # [ 57.553802] CR2: 00[ 64.362021] RBP: ffffffffa5d83dc3 R08: 0000000000000000 R09: 0000000000000000 00000000000000 # [ 57.557499] ---[ end trace 2b9f7943086e2a10[ 64.376191] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 ]--- # [ 57.562646] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 57.5[ 64.390407] R13: ffffad7482a3ff10 R14: ffffad7482a3ff10 R15: ffff9c7b413ee000 67023] Code: 89 ff e8 be ae a3 ff 48 c7 c0 ea ff ff ff eb de 48 [ 64.404578] FS: 00007f663cc4a580(0000) GS:ffff9c7bbac00000(0000) knlGS:0000000000000000 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1[ 64.419860] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 [ 64.432479] CR2: 00007f663ca53000 CR3: 000000010299e003 CR4: 00000000003706f0 05 e0 d0 92 02 # [ 57.588001] RSP: 0018:ffffad74813e7e60 EFLA[ 64.446669] Call Trace: GS: 00010286 # [ 57.593826] RAX: ffffffffa4cdf430 RBX: 000000[ 64.455618] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 0000000001 RCX: 0000000000000000 # [ 57.601794] RDX: 00000000[ 64.467198] direct_entry.cold+0x2c/0x38 00000000 RSI: ffff9c7bbac9bf70 RDI: ffffffffa599bd70 # [ 57.6[ 64.477788] full_proxy_write+0x53/0x80 09763] RBP: ffffffffa5ddf100 R08: 0000000000000001 R09: 00000000[ 64.488317] vfs_write+0xe7/0x3a0 00000001 # [ 57.617734] R10: 00000000ffffe000 R11: 3fffffffff[ 64.498212] ksys_write+0x68/0xf0 ffffff R12: 0000000000000004 # [ 57.625703] R13: ffffad74813e[ 64.508146] do_syscall_64+0x30/0x40 7f10 R14: ffffad74813e7f10 R15: ffff9c7b48d52000 # [ 57.63367[ 64.518369] entry_SYSCALL_64_after_hwframe+0x61/0xc6 5] FS: 00007f8cccfc8580(0000) GS:ffff9c7bbad00000(0000) knlGS:0[ 64.530185] RIP: 0033:0x7f663cb608f3 000000000000000 # [ 57.642713] CS: 0010 DS: 0000 ES: 0000 CR[ 64.540377] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 0: 0000000080050033 # [ 57.649129] CR2: ffffffffffffffd6 CR3:[ 64.567574] RSP: 002b:00007ffe33ec9168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 000000010340a005 CR4: 00000000003706e0 # EXEC_NULL: saw 'call [ 64.582240] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f663cb608f3 trace:': ok ok 36 selftests: lkdtm: EXEC_NULL.sh # selftests: [ 64.596423] RDX: 0000000000000016 RSI: 00007f663ca53000 RDI: 0000000000000001 lkdtm: ACCESS_USERSPACE.sh # Killed # [ 57.772781] lkdtm: Pe[ 64.610622] RBP: 00007f663ca53000 R08: 00007f663ca52010 R09: 0000000000000000 rforming direct entry ACCESS_USERSPACE # [ 57.781489] lkdtm: [ 64.624822] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 attempting bad read at 00007fe889353000 # [ 57.793857] BUG: u[ 64.639006] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 nable to handle page fault for address: 00007fe889353000 # [ [ 64.653209] irq event stamp: 0 57.801542] #PF: supervisor read access in kernel mode # [ 57.[ 64.662843] hardirqs last enabled at (0): [<0000000000000000>] 0x0 813491] #PF: error_code(0x0001) - permissions violation # [ 5[ 64.676064] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 7.819705] PGD 8000000108d52067 P4D 8000000108d52067 PUD 10306506[ 64.691436] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 7 PMD 1032f5067 PTE 11039a067 # [ 57.835644] Oops: 0001 [#12][ 64.706793] softirqs last disabled at (0): [<0000000000000000>] 0x0 SMP PTI # [ 57.839634] CPU: 3 PID: 1882 Comm: cat Tainted: G[ 64.720030] ---[ end trace 2b9f7943086e2a1b ]--- D W 5.10.153-cip19 #1 # [ 57.848293] Hardware n[ 64.731404] lkdtm: Negative detected: saturated ame: Google Rammus/Rammus, BIOS 09/04/2020 # [ 57.855099] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 # [ 57.861320] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 60 4c d8 a5 e8 64 99 fd ff 48 c7 c7 88 4c d8 a5 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 4b 99 fd ff 48 89 ee 48 c7 c7 b0 4c d8 # [ 57.882304] RSP: 0018:ffffad748254fe48 EFLAGS: 00010246 # [ 57.888136] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 # [ 57.896104] RDX: 0000000000000000 RSI: ffff9c7bbad9bf70 RDI: ffffffffa5d84c88 # [ 57.904072] RBP: 00007fe889353000 R08: 0000000000000000 R09: 0000000000000000 # [ 57.912040] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 # [ 57.920009] R13: ffffad748254ff10 R14: ffffad748254ff10 R15: ffff9c7b432c9000 # [ 57.927978] FS: 00007fe889324580(0000) GS:ffff9c7bbad80000(0000) knlGS:0000000000000000 # [ 57.937014] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.943429] CR2: 00007fe889353000 CR3: 000000010314a002 CR4: 00000000003706e0 # [ 57.951398] Call Trace: [ 64.848077] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE [ 64.856043] lkdtm: attempting bad refcount_dec_and_test() below zero [ 64.863173] ------------[ cut here ]------------ # [ 57.954128] direct_entry.cold+0x2c/0x38 # [ 57.958506] [ 64.868343] refcount_t: underflow; use-after-free. full_proxy_write+0x53/0x80 # [ 57.962789] vfs_write+0xe7/0x[ 64.879909] WARNING: CPU: 3 PID: 2255 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 3a0 # [ 57.966487] ksys_write+0x68/0xf0 # [ 57.970184] d[ 64.895540] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 64.928180] CPU: 3 PID: 2255 Comm: cat Tainted: G D W 5.10.153-cip19 #1 o_syscall_64+0x30/0x40 # [ 57.974164] entry_SYSCALL_64_after[ 64.936866] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 64.949880] RIP: 0010:refcount_warn_saturate+0xba/0x110 [ 64.955734] Code: 01 01 e8 74 8b 95 00 0f 0b c3 cc cc cc cc 80 3d 60 2e 94 01 00 75 85 48 c7 c7 18 f7 d1 a5 c6 05 50 2e 94 01 01 e8 51 8b 95 00 <0f> 0b c3 cc cc cc cc 80 3d 3b 2e 94 01 00 0f 85 5e ff ff ff 48 c7 [ 64.976723] RSP: 0018:ffffad7482ac7e40 EFLAGS: 00010286 [ 64.982593] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 [ 64.990568] RDX: ffff9c7bbadac660 RSI: ffff9c7bbad9bf70 RDI: ffff9c7bbad9bf70 [ 64.998541] RBP: ffffffffa5d83a18 R08: 0000000000000000 R09: 0000000000000000 [ 65.006513] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 65.014485] R13: ffffad7482ac7f10 R14: ffffad7482ac7f10 R15: ffff9c7b494a7000 [ 65.022458] FS: 00007f62c354b580(0000) GS:ffff9c7bbad80000(0000) knlGS:0000000000000000 [ 65.031528] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 65.037946] CR2: 00007f62c3354000 CR3: 00000001041c0006 CR4: 00000000003706e0 [ 65.045918] Call Trace: [ 65.048653] __refcount_sub_and_test.constprop.0+0x3c/0x50 [ 65.054812] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 [ 65.061069] direct_entry.cold+0x2c/0x38 [ 65.065479] full_proxy_write+0x53/0x80 [ 65.069797] vfs_write+0xe7/0x3a0 [ 65.073528] ksys_write+0x68/0xf0 [ 65.077254] do_syscall_64+0x30/0x40 [ 65.081299] entry_SYSCALL_64_after_hwframe+0x61/0xc6 _hwframe+0x61/0xc6 # [ 57.979802] RIP: 0033:0x7fe88923a8f3 #[ 65.086953] RIP: 0033:0x7f62c34618f3 [ 65.097147] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 65.118131] RSP: 002b:00007fff1dfa2768 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 65.126620] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f62c34618f3 [ 65.134594] RDX: 000000000000001f RSI: 00007f62c3354000 RDI: 0000000000000001 [ 65.142572] RBP: 00007f62c3354000 R08: 00007f62c3353010 R09: 0000000000000000 [ 65.150544] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 65.158547] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 57.983790] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 [ 65.166528] irq event stamp: 0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b[ 65.176146] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 65.189366] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 65.198534] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 65.207673] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 65.214674] ---[ end trace 2b9f7943086e2a1c ]--- [ 65.219831] lkdtm: Negative detected: saturated 8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 58.004771] RSP: 002b:00007ffcd2658b08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 58.013219] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007fe88923a8f3 # [ 58.021179] RDX: 0000000000000011 RSI: 00007fe88912d000 RDI: 0000000000000001 # [ 58.029146] RBP: 00007fe88912d000 R08: 00007fe88912c010 R09: 0000000000000000 # [ 58.037112] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 58.045080] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 58.053050] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 58.079501] CR2: 00007fe889353000 # [ 58.089414] ---[ end trace 2b9f7943086e2a11 ]--- # [ 58.094561] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 58.098937] Code: 89 ff e8 be ae 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 1[ 65.333613] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 [ 65.344430] lkdtm: attempting bad refcount_sub_and_test() below zero 05 e0 d0 92 02 # [ 58.119910] RSP: 0018:ffffad74813e7e60 EFLA[ 65.357782] ------------[ cut here ]------------ GS: 00010286 # [ 58.125735] RAX: ffffffffa4cdf430 RBX: 000000[ 65.369143] refcount_t: underflow; use-after-free. 0000000001 RCX: 0000000000000000 # [ 58.133704] RDX: 00000000[ 65.380714] WARNING: CPU: 0 PID: 2290 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 00000000 RSI: ffff9c7bbac9bf70 RDI: ffffffffa599bd70 # [ 58.1[ 65.396387] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 41673] RBP: ffffffffa5ddf100 R08: 0000000000000001 R09: 00000000[ 65.428993] CPU: 0 PID: 2290 Comm: cat Tainted: G D W 5.10.153-cip19 #1 00000001 # [ 58.149641] R10: 00000000ffffe000 R11: 3fffffffff[ 65.443851] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 ffffff R12: 0000000000000004 # [ 58.157612] R13: ffffad74813e[ 65.456892] RIP: 0010:refcount_warn_saturate+0xba/0x110 7f10 R14: ffffad74813e7f10 R15: ffff9c7b48d52000 # [ 58.16558[ 65.468975] Code: 01 01 e8 74 8b 95 00 0f 0b c3 cc cc cc cc 80 3d 60 2e 94 01 00 75 85 48 c7 c7 18 f7 d1 a5 c6 05 50 2e 94 01 01 e8 51 8b 95 00 <0f> 0b c3 cc cc cc cc 80 3d 3b 2e 94 01 00 0f 85 5e ff ff ff 48 c7 1] FS: 00007fe889324580(0000) GS:ffff9c7bbad80000(0000) knlGS:0[ 65.496151] RSP: 0018:ffffad7482b3fe40 EFLAGS: 00010286 000000000000000 # [ 58.174620] CS: 0010 DS: 0000 ES: 0000 CR[ 65.508235] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 0: 0000000080050033 # [ 58.181034] CR2: 00007fe889353000 CR3:[ 65.522410] RDX: ffff9c7bbac2c660 RSI: ffff9c7bbac1bf70 RDI: ffff9c7bbac1bf70 000000010314a002 CR4: 00000000003706e0 # [ 58.189004] BUG: s[ 65.536592] RBP: ffffffffa5d83a38 R08: 0000000000000000 R09: 0000000000000000 leeping function called from invalid context at include/linux/pe[ 65.550759] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f rcpu-rwsem.h:49 # [ 58.198906] in_atomic(): 0, irqs_disabled([ 65.564942] R13: ffffad7482b3ff10 R14: ffffad7482b3ff10 R15: ffff9c7b48e24000 ): 1, non_block: 0, pid: 1882, name: cat # [ 58.207359] INFO:[ 65.579121] FS: 00007f570ac38580(0000) GS:ffff9c7bbac00000(0000) knlGS:0000000000000000 lockdep is turned off. # [ 58.211735] irq event stamp: 0 # [ 65.594389] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.215140] hardirqs last enabled at (0): [<0000000000000000[ 65.607017] CR2: 00007f570aa41000 CR3: 0000000109576001 CR4: 00000000003706f0 >] 0x0 # [ 58.222140] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 58.231293] softirq[ 65.630149] __refcount_sub_and_test.constprop.0+0x3c/0x50 s last enabled at (0): [] copy_process+0x640/[ 65.642503] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b 0x1c80 # [ 58.240426] softirqs last disabled at (0): [<000000[ 65.654937] direct_entry.cold+0x2c/0x38 0000000000>] 0x0 # [ 58.247422] CPU: 3 PID: 1882 Comm: cat Ta[ 65.665558] full_proxy_write+0x53/0x80 inted: G D W 5.10.153-cip19 #1 # [ 58.256070] Ha[ 65.676031] vfs_write+0xe7/0x3a0 rdware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 58.26[ 65.685954] ksys_write+0x68/0xf0 2873] Call Trace: # [ 58.265603] dump_stack+0x77/0x9b # [ [ 65.695849] do_syscall_64+0x30/0x40 58.269302] ___might_sleep.cold+0xa6/0xb6 # [ 58.273876] ex[ 65.706071] entry_SYSCALL_64_after_hwframe+0x61/0xc6 it_signals+0x1c/0x2e0 # [ 58.277865] do_exit+0xd5/0xb00 # [[ 65.717908] RIP: 0033:0x7f570ab4e8f3 58.281360] ? ksys_write+0x68/0xf0 # [ 58.285244] rewind_[ 65.728132] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 stack_do_exit+0x17/0x20 # [ 58.289912] RIP: 0033:0x7fe88923a8[ 65.755349] RSP: 002b:00007fff5f8b01a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 f3 # [ 58.293899] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c[ 65.770042] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f570ab4e8f3 7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75[ 65.784188] RDX: 000000000000001f RSI: 00007f570aa41000 RDI: 0000000000000001 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 0[ 65.798385] RBP: 00007f570aa41000 R08: 00007f570aa40010 R09: 0000000000000000 0 48 83 ec 28 48 89 54 24 18 # [ 58.314881] RSP: 002b:00007ff[ 65.812554] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 cd2658b08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 58.[ 65.826760] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 323342] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007fe[ 65.840934] irq event stamp: 0 88923a8f3 # [ 58.331310] RDX: 0000000000000011 RSI: 00007fe88[ 65.850537] hardirqs last enabled at (0): [<0000000000000000>] 0x0 912d000 RDI: 0000000000000001 # [ 58.339291] RBP: 00007fe8891[ 65.863754] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 2d000 R08: 00007fe88912c010 R09: 0000000000000000 # [ 58.3472[ 65.879131] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 61] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 00000000000[ 65.894479] softirqs last disabled at (0): [<0000000000000000>] 0x0 00001 # [ 58.355222] R13: 0000000000000001 R14: 0000000000020[ 65.907704] ---[ end trace 2b9f7943086e2a1d ]--- 000 R15: 0000000000020000 # ACCESS_USERSPACE: saw 'call trace:'[ 65.919068] lkdtm: Negative detected: saturated : ok ok 37 selftests: lkdtm: ACCESS_USERSPACE.sh # selftests: lkdtm: ACCESS_NULL.sh # Killed # [ 58.490258] lkdtm: Performing direct entry ACCESS_NULL # [ 58.499504] lkdtm: attempting bad read at 0000000000000000 # [ 58.505664] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 58.513455] #PF: supervisor read access in kernel mode # [ 58.519197] #PF: error_code(0x0000) - not-present page # [ 58.524936] PGD 0 P4D 0 # [ 58.533972] Oops: 0000 [#13] SMP PTI # [ 58.537963] CPU: 3 PID: 1917 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 58.546614] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 58.553421] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 # [ 58.564889] Code: 08 99 fd ff be 00 10 00 00 48 89 ef e8 f7 7c 3c ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 60 4c d8 a5 e8 e2 98 fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 88 4c d8 a5 48 01 # [ 58.585866] RSP: 0018:ffffad74825d7e58 EFLAGS: 00010246 # [ 58.591701] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 # [ [ 66.034428] lkdtm: Performing direct entry REFCOUNT_INC_ZERO [ 66.042364] lkdtm: attempting safe refcount_inc_not_zero() from zero [ 66.049499] lkdtm: Good: zero detected [ 66.053700] lkdtm: Correctly stayed at zero [ 66.058379] lkdtm: attempting bad refcount_inc() from zero [ 66.064507] ------------[ cut here ]------------ [ 66.069661] refcount_t: addition on 0; use-after-free. [ 66.075430] WARNING: CPU: 2 PID: 2322 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 58.599670] RDX: 0000000000000000 RSI: ffff9c7bbad9bf70 RDI: ff[ 66.084864] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 66.117493] CPU: 2 PID: 2322 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 66.126175] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 66.132984] RIP: 0010:refcount_warn_saturate+0x74/0x110 [ 66.138825] Code: 01 01 e8 ba 8b 95 00 0f 0b c3 cc cc cc cc 80 3d a7 2e 94 01 00 75 cb 48 c7 c7 e8 f6 d1 a5 c6 05 97 2e 94 01 01 e8 97 8b 95 00 <0f> 0b c3 cc cc cc cc 80 3d 86 2e 94 01 00 75 a8 48 c7 c7 c0 f6 d1 [ 66.159814] RSP: 0018:ffffad7482bdfe48 EFLAGS: 00010286 [ 66.165681] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 ff9c7bbad9bf70 # [ 58.607640] RBP: ffffffffa5d83d51 R08: 0000[ 66.173655] RDX: ffff9c7bbad2c660 RSI: ffff9c7bbad1bf70 RDI: ffff9c7bbad1bf70 000000000000 R09: 0000000000000000 # [ 58.615609] R10: 000000[ 66.187846] RBP: ffffffffa5d83dd9 R08: 0000000000000000 R09: 0000000000000000 [ 66.202031] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 00ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 58[ 66.210001] R13: ffffad7482bdff10 R14: ffffad7482bdff10 R15: ffff9c7b48e1b000 [ 66.224186] FS: 00007f53d2686580(0000) GS:ffff9c7bbad00000(0000) knlGS:0000000000000000 [ 66.233228] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.239670] CR2: 00007f53d248f000 CR3: 00000001033c2003 CR4: 00000000003706e0 [ 66.247644] Call Trace: [ 66.250376] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 [ 66.255394] direct_entry.cold+0x2c/0x38 .623577] R13: ffffad74825d7f10 R14: ffffad74825d7f10 R15: ffff9c[ 66.259788] full_proxy_write+0x53/0x80 7b43078000 # [ 58.631547] FS: 00007f00fac48580(0000) GS:ffff[ 66.270298] vfs_write+0xe7/0x3a0 [ 66.280213] ksys_write+0x68/0xf0 [ 66.283914] do_syscall_64+0x30/0x40 [ 66.287906] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 66.293548] RIP: 0033:0x7f53d259c8f3 [ 66.297538] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 66.318520] RSP: 002b:00007ffef7641358 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 66.326979] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f53d259c8f3 [ 66.334949] RDX: 0000000000000012 RSI: 00007f53d248f000 RDI: 0000000000000001 [ 66.342918] RBP: 00007f53d248f000 R08: 00007f53d248e010 R09: 0000000000000000 [ 66.350889] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 66.358859] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 66.366837] irq event stamp: 0 9c7bbad80000(0000) knlGS:0000000000000000 # [ 58.640575] CS: [ 66.370270] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 66.383478] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 66.392613] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 66.401750] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 66.408749] ---[ end trace 2b9f7943086e2a1e ]--- [ 66.413903] lkdtm: Zero detected: saturated 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 58.646989] CR2: 0000000000000000 CR3: 0000000108db8005 CR4: 00000000003706e0 # [ 58.654956] Call Trace: # [ 58.657686] direct_entry.cold+0x2c/0x38 # [ 58.662064] full_proxy_write+0x53/0x80 # [ 58.666346] vfs_write+0xe7/0x3a0 # [ 58.670046] ksys_write+0x68/0xf0 # [ 58.673745] do_syscall_64+0x30/0x40 # [ 58.677724] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 58.683364] RIP: 0033:0x7f00fab5e8f3 # [ 58.687354] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 58.708339] RSP: 002b:00007ffed0a6d7e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 58.716797] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f00fab5e8f3 # [ 58.724766] RDX: 000000000000000c RSI: 00007f00faa51000 RDI: 0000000000000001 # [ 58.732735] RBP: 00007f00faa51000 R08: 00007f00faa50010 R09: 0000000000000000 # [ 58.740705] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 58.748671] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 58.[ 66.532915] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO 756646] Modules linked in: fuse ip_tables cros_ec_sensors cros_e[ 66.543043] lkdtm: attempting safe refcount_add_not_zero() from zero c_sensors_core industrialio_triggered_buffer kfifo_buf industria[ 66.556373] lkdtm: Good: zero detected lio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chard[ 66.566762] lkdtm: Correctly stayed at zero ev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd[ 66.577646] lkdtm: attempting bad refcount_add() from zero _notify # [ 58.783097] CR2: 0000000000000000 # [ 58.793007[ 66.589990] ------------[ cut here ]------------ [ 66.601367] refcount_t: addition on 0; use-after-free. ] ---[ end trace 2b9f7943086e2a12 ]--- # [ 58.798163] RIP: 00[ 66.607159] WARNING: CPU: 1 PID: 2354 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 10:lkdtm_BUG+0x5/0x10 # [ 58.802539] Code: 89 ff e8 be ae a3 [ 66.622763] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc c[ 66.655423] CPU: 1 PID: 2354 Comm: cat Tainted: G D W 5.10.153-cip19 #1 c 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 [ 66.670284] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 d0 92 02 # [ 58.823514[ 66.683298] RIP: 0010:refcount_warn_saturate+0x74/0x110 ] RSP: 0018:ffffad74813e7e60 EFLAGS: 00010286 # [ 58.829349] [ 66.695355] Code: 01 01 e8 ba 8b 95 00 0f 0b c3 cc cc cc cc 80 3d a7 2e 94 01 00 75 cb 48 c7 c7 e8 f6 d1 a5 c6 05 97 2e 94 01 01 e8 97 8b 95 00 <0f> 0b c3 cc cc cc cc 80 3d 86 2e 94 01 00 75 a8 48 c7 c7 c0 f6 d1 [ 66.722549] RSP: 0018:ffffad7482c4fe48 EFLAGS: 00010286 RAX: ffffffffa4cdf430 RBX: 0000000000000001 RCX: 000000000000000[ 66.728387] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 [ 66.742566] RDX: ffff9c7bbacac660 RSI: ffff9c7bbac9bf70 RDI: ffff9c7bbac9bf70 0 # [ 58.837318] RDX: 0000000000000000 RSI: ffff9c7bbac9bf70 [ 66.750539] RBP: ffffffffa5d83deb R08: 0000000000000000 R09: 0000000000000000 [ 66.764716] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 RDI: ffffffffa599bd70 # [ 58.845309] RBP: ffffffffa5ddf100 R0[ 66.772688] R13: ffffad7482c4ff10 R14: ffffad7482c4ff10 R15: ffff9c7b44a52000 8: 0000000000000001 R09: 0000000000000001 # [ 58.853295] R10:[ 66.786869] FS: 00007fe809d27580(0000) GS:ffff9c7bbac80000(0000) knlGS:0000000000000000 [ 66.802121] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 #[ 66.808537] CR2: 00007fe809b30000 CR3: 0000000108e20004 CR4: 00000000003706e0 [ 66.822716] Call Trace: [ 58.861264] R13: ffffad74813e7f10 R14: ffffad74813e7f10 R15:[ 66.825450] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 ffff9c7b48d52000 # [ 58.869260] FS: 00007f00fac48580(0000) [ 66.836619] direct_entry.cold+0x2c/0x38 GS:ffff9c7bbad80000(0000) knlGS:0000000000000000 # [ 58.87829[ 66.847215] full_proxy_write+0x53/0x80 7] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 58.8[ 66.857710] vfs_write+0xe7/0x3a0 84713] CR2: 0000000000000000 CR3: 0000000108db8005 CR4: 00000000[ 66.867622] ksys_write+0x68/0xf0 003706e0 # ACCESS_NULL: saw 'call trace:': ok ok 38 selftests:[ 66.877533] do_syscall_64+0x30/0x40 lkdtm: ACCESS_NULL.sh # selftests: lkdtm: WRITE_RO.sh # Kille[ 66.887738] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 66.899592] RIP: 0033:0x7fe809c3d8f3 d # [ 59.022526] lkdtm: Performing direct entry WRITE_RO # [[ 66.903584] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 59.028697] lkdtm: attempting bad rodata write at ffffffffa599[ 66.930776] RSP: 002b:00007ffdacb33878 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 66.945446] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fe809c3d8f3 c1f0 # [ 59.035615] BUG: unable to handle page fault for addr[ 66.953419] RDX: 0000000000000012 RSI: 00007fe809b30000 RDI: 0000000000000001 [ 66.967598] RBP: 00007fe809b30000 R08: 00007fe809b2f010 R09: 0000000000000000 ess: ffffffffa599c1f0 # [ 59.043299] #PF: supervisor write ac[ 66.975569] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 66.989748] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 cess in kernel mode # [ 59.049134] #PF: error_code(0x0003) - [ 66.997743] irq event stamp: 0 [ 67.007344] hardirqs last enabled at (0): [<0000000000000000>] 0x0 permissions violation # [ 59.061572] PGD 106c29067 P4D 106c29[ 67.014353] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 67.029696] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 067 PUD 106c2a063 PMD 80000001064000e1 # [ 59.075570] Oops: [ 67.038834] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 67.052042] ---[ end trace 2b9f7943086e2a1f ]--- 0003 [#14] SMP PTI # [ 59.079561] CPU: 3 PID: 1952 Comm: cat [ 67.057199] lkdtm: Zero detected: saturated Tainted: G D W 5.10.153-cip19 #1 # [ 59.088210] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 59.095008] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a # [ 59.099966] Code: 00 48 c7 c7 40 4b d8 a5 48 c7 c6 f0 c1 99 a5 e8 8c 9b fd ff 48 8b 05 c1 cb 65 00 ba 34 12 cd ab 48 c7 c7 70 4b d8 a5 48 31 d0 <48> 89 05 ab cb 65 00 e9 6a 9b fd ff 0f 1f 44 00 00 48 8b 05 da 0c # [ 59.120950] RSP: 0018:ffffad748262fe60 EFLAGS: 00010202 # [ 59.126784] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 # [ 59.134753] RDX: 00000000abcd1234 RSI: ffff9c7bbad9bf70 RDI: ffffffffa5d84b70 # [ 59.142721] RBP: ffffffffa5d83d5d R08: 0000000000000000 R09: 0000000000000000 # [ 59.150690] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 # [ 59.158660] R13: ffffad748262ff10 R14: ffffad748262ff10 R15: ffff9c7b430d8000 # [ 59.166629] FS: 00007f7c8fcf4580(0000) GS:ffff9c7bbad80000(0000) knlGS:0000000000000000 # [ 59.175667] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 59.182082] CR2: ffffffffa599c1f0 CR3: 0000000104a52001 CR4: 00000000003706e0 # [ 59.190053] Call Trace: # [ 59.192781] direct_entry.cold+0x2c/0x38 # [ 59.197160] fu[ 67.182202] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED ll_proxy_write+0x53/0x80 # [ 59.201441] vfs_write+0xe7/0x3a0[ 67.193013] lkdtm: attempting bad refcount_inc() from saturated # [ 59.205140] ksys_write+0x68/0xf0 # [ 59.208837] do_s[ 67.205851] ------------[ cut here ]------------ yscall_64+0x30/0x40 # [ 59.212827] entry_SYSCALL_64_after_hw[ 67.217210] refcount_t: saturated; leaking memory. frame+0x61/0xc6 # [ 59.218466] RIP: 0033:0x7f7c8fc0a8f3 # [ [ 67.228857] WARNING: CPU: 0 PID: 2389 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 59.222445] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff [ 67.244435] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 0[ 67.277096] CPU: 0 PID: 2389 Comm: cat Tainted: G D W 5.10.153-cip19 #1 1 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 [ 67.291950] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 ec 28 48 89 54 24 18 # [ 59.243431] RSP: 002b:00007fffc41687a[ 67.305052] RIP: 0010:refcount_warn_saturate+0x51/0x110 8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 59.251888] [ 67.317038] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d cb 2e 94 01 00 75 ee 48 c7 c7 c0 f6 d1 a5 c6 05 bb 2e 94 01 01 e8 ba 8b 95 00 <0f> 0b c3 cc cc cc cc 80 3d a7 2e 94 01 00 75 cb 48 c7 c7 e8 f6 d1 RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f7c8fc0a8f[ 67.344254] RSP: 0018:ffffad7482cdfe48 EFLAGS: 00010286 3 # [ 59.259859] RDX: 0000000000000009 RSI: 00007f7c8fafd000 [ 67.356269] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 RDI: 0000000000000001 # [ 59.267831] RBP: 00007f7c8fafd000 R0[ 67.370474] RDX: ffff9c7bbac2c660 RSI: ffff9c7bbac1bf70 RDI: ffff9c7bbac1bf70 8: 00007f7c8fafc010 R09: 0000000000000000 # [ 59.275802] R10:[ 67.384651] RBP: ffffffffa5d83dfd R08: 0000000000000000 R09: 0000000000000000 fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 #[ 67.398864] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 59.283771] R13: 0000000000000001 R14: 0000000000020000 R15:[ 67.413008] R13: ffffad7482cdff10 R14: ffffad7482cdff10 R15: ffff9c7b43013000 0000000000020000 # [ 59.291744] Modules linked in: fuse ip_t[ 67.427207] FS: 00007fca95d79580(0000) GS:ffff9c7bbac00000(0000) knlGS:0000000000000000 ables cros_ec_sensors cros_ec_sensors_core industrialio_triggere[ 67.442454] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 d_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar[ 67.455113] CR2: 00007fca95b82000 CR3: 00000001094a0002 CR4: 00000000003706f0 cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_th[ 67.469313] Call Trace: ermal cros_ec_dev cros_usbpd_notify # [ 59.318195] CR2: fffff[ 67.478310] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 fffa599c1f0 # [ 59.328109] ---[ end trace 2b9f7943086e2a13 ]-[ 67.489930] direct_entry.cold+0x2c/0x38 -- # [ 59.333281] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 59.3376[ 67.500534] full_proxy_write+0x53/0x80 65] Code: 89 ff e8 be ae a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 [ 67.511021] vfs_write+0xe7/0x3a0 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 4[ 67.520943] ksys_write+0x68/0xf0 4 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 [ 67.530845] do_syscall_64+0x30/0x40 e0 d0 92 02 # [ 59.358639] RSP: 0018:ffffad74813e7e60 EFLAGS:[ 67.541059] entry_SYSCALL_64_after_hwframe+0x61/0xc6 00010286 # [ 59.364473] RAX: ffffffffa4cdf430 RBX: 000000000[ 67.552905] RIP: 0033:0x7fca95c8f8f3 0000001 RCX: 0000000000000000 # [ 59.372443] RDX: 00000000000[ 67.563125] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 00000 RSI: ffff9c7bbac9bf70 RDI: ffffffffa599bd70 # [ 59.3804[ 67.590335] RSP: 002b:00007fff77a15c88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 12] RBP: ffffffffa5ddf100 R08: 0000000000000001 R09: 00000000000[ 67.605033] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fca95c8f8f3 00001 # [ 59.388381] R10: 00000000ffffe000 R11: 3ffffffffffff[ 67.619189] RDX: 0000000000000017 RSI: 00007fca95b82000 RDI: 0000000000000001 fff R12: 0000000000000004 # [ 59.396351] R13: ffffad74813e7f1[ 67.633403] RBP: 00007fca95b82000 R08: 00007fca95b81010 R09: 0000000000000000 0 R14: ffffad74813e7f10 R15: ffff9c7b48d52000 # [ 59.404341] [ 67.647566] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 FS: 00007f7c8fcf4580(0000) GS:ffff9c7bbad80000(0000) knlGS:0000[ 67.661740] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 000000000000 # [ 59.413370] CS: 0010 DS: 0000 ES: 0000 CR0: [ 67.675933] irq event stamp: 0 0000000080050033 # [ 59.419786] CR2: ffffffffa599c1f0 CR3: 00[ 67.685547] hardirqs last enabled at (0): [<0000000000000000>] 0x0 00000104a52001 CR4: 00000000003706e0 # [ 59.427757] BUG: slee[ 67.698760] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 ping function called from invalid context at include/linux/percp[ 67.714118] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 u-rwsem.h:49 # [ 59.437670] in_atomic(): 0, irqs_disabled(): [ 67.729479] softirqs last disabled at (0): [<0000000000000000>] 0x0 1, non_block: 0, pid: 1952, name: cat # [ 59.446124] INFO: lo[ 67.742696] ---[ end trace 2b9f7943086e2a20 ]--- ckdep is turned off. # [ 59.450501] irq event stamp: 0 # [ [ 67.754070] lkdtm: Saturation detected: still saturated 59.453907] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 59.460909] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 59.470045] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 59.479181] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 59.486180] CPU: 3 PID: 1952 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 59.494830] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 59.501636] Call Trace: # [ 59.504365] dump_stack+0x77/0x9b # [ 59.508064] ___might_sleep.cold+0xa6/0xb6 # [ 59.512636] exit_signals+0x1c/0x2e0 # [ 59.516624] do_exit+0xd5/0xb00 # [ 59.520128] ? ksys_write+0x68/0xf0 # [ 59.524022] rewind_stack_do_exit+0x17/0x20 # [ 59.528691] RIP: 0033:0x7f7c8fc0a8f3 # [ 59.532678] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 59.553665] RSP: 002b:00007fffc41687a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 59.562119] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f7c8f[ 67.881000] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED [ 67.891179] lkdtm: attempting bad refcount_dec() from saturated [ 67.897800] ------------[ cut here ]------------ [ 67.902966] refcount_t: decrement hit 0; leaking memory. [ 67.908932] WARNING: CPU: 3 PID: 2424 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 c0a8f3 # [ 59.570088] RDX: 0000000000000009 RSI: 00007f7c8faf[ 67.918365] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 67.950996] CPU: 3 PID: 2424 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 67.959669] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 67.966476] RIP: 0010:refcount_warn_saturate+0xfb/0x110 d000 RDI: 0000000000000001 # [ 59.578057] RBP: 00007f7c8fafd0[ 67.972316] Code: 70 f7 d1 a5 c6 05 27 2e 94 01 01 e8 2a 8b 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 40 f7 d1 a5 c6 05 0e 2e 94 01 01 e8 10 8b 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 00 R08: 00007f7c8fafc010 R09: 0000000000000000 # [ 59.586026][ 67.999512] RSP: 0018:ffffad7482d67e48 EFLAGS: 00010286 [ 68.011564] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 [ 68.019566] RDX: ffff9c7bbadac660 RSI: ffff9c7bbad9bf70 RDI: ffff9c7bbad9bf70 [ 68.027536] RBP: ffffffffa5d83e14 R08: 0000000000000000 R09: 0000000000000000 [ 68.035507] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 68.043477] R13: ffffad7482d67f10 R14: ffffad7482d67f10 R15: ffff9c7b49404000 [ 68.051469] FS: 00007f0a3c86c580(0000) GS:ffff9c7bbad80000(0000) knlGS:0000000000000000 R10: fffffffffffffbc5 R11: 0000000000000246 R12: 00000000000000[ 68.060520] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.073142] CR2: 00007f0a3c675000 CR3: 00000001027c0002 CR4: 00000000003706e0 [ 68.081112] Call Trace: [ 68.083844] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f 01 # [ 59.593995] R13: 0000000000000001 R14: 0000000000020000[ 68.089319] direct_entry.cold+0x2c/0x38 [ 68.099906] full_proxy_write+0x53/0x80 [ 68.104190] vfs_write+0xe7/0x3a0 [ 68.107914] ksys_write+0x68/0xf0 [ 68.111614] do_syscall_64+0x30/0x40 [ 68.115638] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 68.121303] RIP: 0033:0x7f0a3c7828f3 R15: 0000000000020000 # WRITE_RO: saw 'call trace:': ok ok 39[ 68.125296] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 68.152493] RSP: 002b:00007ffe96aedc28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 selftests: lkdtm: WRITE_RO.sh # selftests: lkdtm: WRITE_RO_AFT[ 68.160951] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f0a3c7828f3 [ 68.175137] RDX: 0000000000000017 RSI: 00007f0a3c675000 RDI: 0000000000000001 [ 68.183108] RBP: 00007f0a3c675000 R08: 00007f0a3c674010 R09: 0000000000000000 [ 68.191080] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 68.199051] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 68.207026] irq event stamp: 0 ER_INIT.sh # Killed # [ 59.732865] lkdtm: Performing direct [ 68.210459] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 68.223670] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 68.232806] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 68.241942] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 68.248941] ---[ end trace 2b9f7943086e2a21 ]--- [ 68.254095] lkdtm: Saturation detected: still saturated entry WRITE_RO_AFTER_INIT # [ 59.745300] lkdtm: attempting bad ro_after_init write at ffffffffa5e00330 # [ 59.759125] BUG: unable to handle page fault for address: ffffffffa5e00330 # [ 59.772984] #PF: supervisor write access in kernel mode # [ 59.778810] #PF: error_code(0x0003) - permissions violation # [ 59.785032] PGD 106c29067 P4D 106c29067 PUD 106c2a063 PMD 10005c063 PTE 8000000106a00061 # [ 59.794082] Oops: 0003 [#15] SMP PTI # [ 59.798071] CPU: 0 PID: 1987 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 59.806723] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 59.813531] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a # [ 59.819566] Code: 4b d8 a5 e9 3e 9b fd ff 48 c7 c7 c8 4b d8 a5 e8 32 9b fd ff 48 8b 05 a7 0c ac 00 ba 34 12 cd ab 48 c7 c7 70 4b d8 a5 48 31 d0 <48> 89 05 91 0c ac 00 e9 10 9b fd ff 0f 1f 44 00 00 41 54 48 c7 c7 # [ 59.840553] RSP: 0018:ffffad74826b7e60 EFLAGS: 00010202 # [ 59.846388] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 # [ 59.854357] RDX: 00000000abcd1234 RSI: ffff9c7bbac1bf70 RDI: ffffffffa5d84b70 # [ 59.862328] RBP: ffffffffa5d83d66 R08: 0000000000000000 R09: 0000000000000000 # [[ 68.377661] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED 59.870299] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0[ 68.384863] lkdtm: attempting bad refcount_dec() from saturated 000000000000014 # [ 59.878269] R13: ffffad74826b7f10 R14: fff[ 68.397709] ------------[ cut here ]------------ fad74826b7f10 R15: ffff9c7b433c5000 # [ 59.886241] FS: 00007[ 68.409063] refcount_t: saturated; leaking memory. fa682f33580(0000) GS:ffff9c7bbac00000(0000) knlGS:00000000000000[ 68.420639] WARNING: CPU: 1 PID: 2459 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 00 # [ 59.895280] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080[ 68.436268] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 050033 # [ 59.901696] CR2: ffffffffa5e00330 CR3: 0000000104a4[ 68.468921] CPU: 1 PID: 2459 Comm: cat Tainted: G D W 5.10.153-cip19 #1 0002 CR4: 00000000003706f0 # [ 59.909668] Call Trace: # [ [ 68.483786] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 59.912398] direct_entry.cold+0x2c/0x38 # [ 59.916785] full_[ 68.496807] RIP: 0010:refcount_warn_saturate+0x51/0x110 proxy_write+0x53/0x80 # [ 59.921074] vfs_write+0xe7/0x3a0 #[ 68.508835] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d cb 2e 94 01 00 75 ee 48 c7 c7 c0 f6 d1 a5 c6 05 bb 2e 94 01 01 e8 ba 8b 95 00 <0f> 0b c3 cc cc cc cc 80 3d a7 2e 94 01 00 75 cb 48 c7 c7 e8 f6 d1 [ 59.924779] ksys_write+0x68/0xf0 # [ 59.928480] do_sysc[ 68.536028] RSP: 0018:ffffad7482e1fe48 EFLAGS: 00010286 [ 68.548077] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 all_64+0x30/0x40 # [ 59.932474] entry_SYSCALL_64_after_hwfra[ 68.556051] RDX: ffff9c7bbacac660 RSI: ffff9c7bbac9bf70 RDI: ffff9c7bbac9bf70 [ 68.570231] RBP: ffffffffa5d83e2b R08: 0000000000000000 R09: 0000000000000000 me+0x61/0xc6 # [ 59.938113] RIP: 0033:0x7fa682e498f3 # [ 5[ 68.578202] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 68.592379] R13: ffffad7482e1ff10 R14: ffffad7482e1ff10 R15: ffff9c7b44cff000 9.942104] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff [ 68.600352] FS: 00007f965f098580(0000) GS:ffff9c7bbac80000(0000) knlGS:0000000000000000 [ 68.615597] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 0[ 68.622015] CR2: 00007f965eea1000 CR3: 000000010267a003 CR4: 00000000003706e0 [ 68.636194] Call Trace: 0 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec [ 68.638926] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 28 48 89 54 24 18 # [ 59.963090] RSP: 002b:00007ffd0f6184b8 E[ 68.650588] direct_entry.cold+0x2c/0x38 FLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 59.971549] RAX[ 68.661181] full_proxy_write+0x53/0x80 : ffffffffffffffda RBX: 0000000000000014 RCX: 00007fa682e498f3 [ 68.671678] vfs_write+0xe7/0x3a0 # [ 59.979521] RDX: 0000000000000014 RSI: 00007fa682d3c000 RDI[ 68.681591] ksys_write+0x68/0xf0 : 0000000000000001 # [ 59.987483] RBP: 00007fa682d3c000 R08: [ 68.691504] do_syscall_64+0x30/0x40 00007fa682d3b010 R09: 0000000000000000 # [ 59.995453] R10: ff[ 68.701714] entry_SYSCALL_64_after_hwframe+0x61/0xc6 fffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ [ 68.713568] RIP: 0033:0x7f965efae8f3 [ 68.723772] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 60.003422] R13: 0000000000000001 R14: 0000000000020000 R15: 00[ 68.744755] RSP: 002b:00007ffc3c6d47d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 68.759418] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f965efae8f3 00000000020000 # [ 60.011396] Modules linked in: fuse ip_tabl[ 68.767390] RDX: 0000000000000017 RSI: 00007f965eea1000 RDI: 0000000000000001 [ 68.781571] RBP: 00007f965eea1000 R08: 00007f965eea0010 R09: 0000000000000000 es cros_ec_sensors cros_ec_sensors_core industrialio_triggered_b[ 68.789542] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 68.803721] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 uffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cr[ 68.811717] irq event stamp: 0 os_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_therm[ 68.821312] hardirqs last enabled at (0): [<0000000000000000>] 0x0 al cros_ec_dev cros_usbpd_notify # [ 60.037842] CR2: ffffffff[ 68.834529] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 68.849878] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 a5e00330 # [ 60.041539] ---[ end trace 2b9f7943086e2a14 ]--- [ 68.859016] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 68.872224] ---[ end trace 2b9f7943086e2a22 ]--- # [ 60.046695] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 60.051072][ 68.877380] lkdtm: Saturation detected: still saturated Code: 89 ff e8 be ae 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 e0 d0 92 02 # [ 60.072058] RSP: 0018:ffffad74813e7e60 EFLAGS: 00010286 # [ 60.077891] RAX: ffffffffa4cdf430 RBX: 0000000000000001 RCX: 0000000000000000 # [ 60.085861] RDX: 0000000000000000 RSI: ffff9c7bbac9bf70 RDI: ffffffffa599bd70 # [ 60.093833] RBP: ffffffffa5ddf100 R08: 0000000000000001 R09: 0000000000000001 # [ 60.101803] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 60.109773] R13: ffffad74813e7f10 R14: ffffad74813e7f10 R15: ffff9c7b48d52000 # [ 60.117744] FS: 00007fa682f33580(0000) GS:ffff9c7bbac00000(0000) knlGS:0000000000000000 # [ 60.126781] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 60.133186] CR2: ffffffffa5e00330 CR3: 0000000104a40002 CR4: 00000000003706f0 # WRITE_RO_AFTER_INIT: saw 'call trace:': ok ok 40 selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # selftests: lkdtm: WRITE_KERN.sh # Killed # [ 60.317189] lkdtm: Performing direct entry WRITE_KERN # [ 60.327091] lkdtm: attempting bad 6684073 byte write at ffffffffa533f5a9 # [ 6[ 69.006658] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED 0.340790] BUG: unable to handle page fault for address: ffffffff[ 69.015197] lkdtm: attempting bad refcount_inc_not_zero() from saturated a533f5a9 # [ 60.354669] #PF: supervisor write access in kerne[ 69.028922] ------------[ cut here ]------------ l mode # [ 60.360503] #PF: error_code(0x0003) - permissions v[ 69.040268] refcount_t: saturated; leaking memory. iolation # [ 60.372941] PGD 106c29067 P4D 106c29067 PUD 106c2[ 69.051864] WARNING: CPU: 1 PID: 2491 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 a063 PMD 105e000e1 # [ 60.386260] Oops: 0003 [#16] SMP PTI [ 69.067475] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 60.390248] CPU: 1 PID: 2022 Comm: cat Tainted: G D W [ 69.100135] CPU: 1 PID: 2491 Comm: cat Tainted: G D W 5.10.153-cip19 #1 5.10.153-cip19 #1 # [ 60.398896] Hardware name: Googl[ 69.114979] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 69.127995] RIP: 0010:refcount_warn_saturate+0x97/0x110 e Rammus/Rammus, BIOS 09/04/2020 # [ 60.405706] RIP: 0010:lk[ 69.133831] Code: 01 01 e8 97 8b 95 00 0f 0b c3 cc cc cc cc 80 3d 86 2e 94 01 00 75 a8 48 c7 c7 c0 f6 d1 a5 c6 05 76 2e 94 01 01 e8 74 8b 95 00 <0f> 0b c3 cc cc cc cc 80 3d 60 2e 94 01 00 75 85 48 c7 c7 18 f7 d1 [ 69.161019] RSP: 0018:ffffad7482e77e38 EFLAGS: 00010282 dtm_WRITE_KERN+0x38/0x4e # [ 60.410859] Code: 53 48 c7 c3 a9 [ 69.166855] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 [ 69.181034] RDX: ffff9c7bbacac660 RSI: ffff9c7bbac9bf70 RDI: ffff9c7bbac9bf70 f5 33 a5 49 89 dc 48 89 da 49 81 ec 00 f8 cd a4 4c 89 e6 e8 e5 9[ 69.189007] RBP: ffffffffa5d83a58 R08: 0000000000000000 R09: 0000000000000000 [ 69.203186] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 a fd ff 48 89 df 4c 89 e1 48 c7 c6 00 f8 cd a4 a4 48 c7 c7 [ 69.211158] R13: ffffad7482e77f10 R14: ffffad7482e77f10 R15: ffff9c7b431a8000 [ 69.225351] FS: 00007fd82f64a580(0000) GS:ffff9c7bbac80000(0000) knlGS:0000000000000000 70 4b d8 a5 e8 ca 9a fd ff 5b 41 5c e9 b7 fe ff ff # [ 60.438[ 69.234392] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.247017] CR2: 00007fd82f453000 CR3: 00000001034c4005 CR4: 00000000003706e0 052] RSP: 0018:ffffad7482727e50 EFLAGS: 00010246 # [ 60.44388[ 69.254989] Call Trace: 5] RAX: 000000000000003c RBX: ffffffffa533f5a9 RCX: 000000000065[ 69.263929] __refcount_add_not_zero.constprop.0+0x2a/0x35 fda9 # [ 60.451853] RDX: 0000000000000000 RSI: ffffffffa4cdf8[ 69.276287] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 [ 69.288826] direct_entry.cold+0x2c/0x38 00 RDI: ffffffffa533f5a9 # [ 60.459820] RBP: ffffffffa5d83d7a[ 69.293207] full_proxy_write+0x53/0x80 R08: 0000000000000000 R09: 0000000000000000 # [ 60.467789] R[ 69.303696] vfs_write+0xe7/0x3a0 10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000065fda9[ 69.313613] ksys_write+0x68/0xf0 # [ 60.475757] R13: ffffad7482727f10 R14: ffffad7482727f10 R[ 69.323528] do_syscall_64+0x30/0x40 15: ffff9c7b48d36000 # [ 60.483724] FS: 00007f50247b4580(000[ 69.333733] entry_SYSCALL_64_after_hwframe+0x61/0xc6 0) GS:ffff9c7bbac80000(0000) knlGS:0000000000000000 # [ 60.49[ 69.345587] RIP: 0033:0x7fd82f5608f3 2761] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 6[ 69.355793] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 69.382988] RSP: 002b:00007ffc3eb8cf08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 0.499175] CR2: ffffffffa533f5a9 CR3: 000000010267c005 CR4: 00000[ 69.391446] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fd82f5608f3 [ 69.405624] RDX: 0000000000000020 RSI: 00007fd82f453000 RDI: 0000000000000001 000003706e0 # [ 60.507141] Call Trace: # [ 60.509869] dir[ 69.413597] RBP: 00007fd82f453000 R08: 00007fd82f452010 R09: 0000000000000000 [ 69.427777] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 ect_entry.cold+0x2c/0x38 # [ 60.514250] full_proxy_write+0x5[ 69.435749] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 3/0x80 # [ 60.524740] vfs_write+0xe7/0x3a0 # [ 60.528440][ 69.449949] irq event stamp: 0 [ 69.459551] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ksys_write+0x68/0xf0 # [ 60.538349] do_syscall_64+0x30/0x4[ 69.466555] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 69.481897] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 0 # [ 60.542342] entry_SYSCALL_64_after_hwframe+0x61/0xc6 #[ 69.491035] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 69.504243] ---[ end trace 2b9f7943086e2a23 ]--- [ 60.554193] RIP: 0033:0x7f50246ca8f3 # [ 60.558180] Code:[ 69.509398] lkdtm: Saturation detected: still saturated 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 60.579160] RSP: 002b:00007ffd7711ff28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 60.587612] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f50246ca8f3 # [ 60.595580] RDX: 000000000000000b RSI: 00007f50245bd000 RDI: 0000000000000001 # [ 60.603539] RBP: 00007f50245bd000 R08: 00007f50245bc010 R09: 0000000000000000 # [ 60.611507] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 60.619476] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 60.627451] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 60.660088] CR2: ffffffffa533f5a9 # [ 60.663786] ---[ end trace 2b9f7943086e2a15 ]--- # [ 60.668933] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 60.673311] Code: 89 ff e8 be ae 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[ 69.641841] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED [ 69.653609] lkdtm: attempting bad refcount_add_not_zero() from saturated [ 69.661137] ------------[ cut here ]------------ 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 d0 92 02 # [ [ 69.666320] refcount_t: saturated; leaking memory. 60.694295] RSP: 0018:ffffad74813e7e60 EFLAGS: 00010286 # [ 6[ 69.677898] WARNING: CPU: 2 PID: 2523 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 [ 69.693528] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 0.700128] RAX: ffffffffa4cdf430 RBX: 0000000000000001 RCX: 00000[ 69.719986] CPU: 2 PID: 2523 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 69.734839] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 69.741670] RIP: 0010:refcount_warn_saturate+0x97/0x110 [ 69.747506] Code: 01 01 e8 97 8b 95 00 0f 0b c3 cc cc cc cc 80 3d 86 2e 94 01 00 75 a8 48 c7 c7 c0 f6 d1 a5 c6 05 76 2e 94 01 01 e8 74 8b 95 00 <0f> 0b c3 cc cc cc cc 80 3d 60 2e 94 01 00 75 85 48 c7 c7 18 f7 d1 [ 69.768486] RSP: 0018:ffffad7482ef7e38 EFLAGS: 00010282 [ 69.774334] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 [ 69.782343] RDX: ffff9c7bbad2c660 RSI: ffff9c7bbad1bf70 RDI: ffff9c7bbad1bf70 [ 69.790307] RBP: ffffffffa5d83a78 R08: 0000000000000000 R09: 0000000000000000 00000000000 # [ 60.708097] RDX: 0000000000000000 RSI: ffff9c7[ 69.798293] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 69.812478] R13: ffffad7482ef7f10 R14: ffffad7482ef7f10 R15: ffff9c7b43020000 [ 69.820450] FS: 00007fdd5dd6f580(0000) GS:ffff9c7bbad00000(0000) knlGS:0000000000000000 [ 69.829488] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.835905] CR2: 00007fdd5db78000 CR3: 0000000109494001 CR4: 00000000003706e0 [ 69.843874] Call Trace: [ 69.846603] __refcount_add_not_zero.constprop.0+0x2a/0x35 [ 69.852760] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 [ 69.859103] direct_entry.cold+0x2c/0x38 [ 69.863483] full_proxy_write+0x53/0x80 [ 69.867766] vfs_write+0xe7/0x3a0 [ 69.871465] ksys_write+0x68/0xf0 [ 69.875166] do_syscall_64+0x30/0x40 [ 69.879158] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 69.884798] RIP: 0033:0x7fdd5dc858f3 [ 69.888787] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 69.909766] RSP: 002b:00007ffd493d9f48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 69.918225] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fdd5dc858f3 [ 69.926196] RDX: 0000000000000020 RSI: 00007fdd5db78000 RDI: 0000000000000001 [ 69.934166] RBP: 00007fdd5db78000 R08: 00007fdd5db77010 R09: 0000000000000000 bbac9bf70 RDI: ffffffffa599bd70 # [ 60.716056] RBP: ffffffffa[ 69.942139] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 5ddf100 R08: 0000000000000001 R09: 0000000000000001 # [ 60.72[ 69.956326] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 69.970536] irq event stamp: 0 4024] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000[ 69.973957] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 69.987166] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 69.996344] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 70.005482] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 70.012483] ---[ end trace 2b9f7943086e2a24 ]--- [ 70.017639] lkdtm: Saturation detected: still saturated 0000004 # [ 60.731993] R13: ffffad74813e7f10 R14: ffffad74813e7f10 R15: ffff9c7b48d52000 # [ 60.739960] FS: 00007f50247b4580(0000) GS:ffff9c7bbac80000(0000) knlGS:0000000000000000 # [ 60.748995] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 60.755411] CR2: ffffffffa533f5a9 CR3: 000000010267c005 CR4: 00000000003706e0 # [ 60.763379] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 60.773295] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 2022, name: cat # [ 60.781748] INFO: lockdep is turned off. # [ 60.786123] irq event stamp: 0 # [ 60.789528] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 60.796518] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 60.805651] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 60.814776] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 60.821772] CPU: 1 PID: 2022 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 60.830421] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 60.837225] Call Trace: # [ 60.839953] dump_stack+0x77/0x9b # [ 60.843654] ___might_sleep.cold+0xa6/0xb6 # [ 60.854435] exit_signals+0x1c/0x2e0[ 70.144499] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED [ 70.155496] lkdtm: attempting bad refcount_dec_and_test() from saturated [ 70.162990] ------------[ cut here ]------------ [ 70.168154] refcount_t: underflow; use-after-free. [ 70.173535] WARNING: CPU: 3 PID: 2558 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 60.858422] do_exit+0xd5/0xb00 # [ 60.861927] ? ksys[ 70.182971] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 70.215599] CPU: 3 PID: 2558 Comm: cat Tainted: G D W 5.10.153-cip19 #1 _write+0x68/0xf0 # [ 60.865810] ? lkdtm_SLAB_FREE_CROSS.cold[ 70.224275] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 +0x32/0x32 # [ 60.871256] rewind_stack_do_exit+0x17/0x20 # [ 70.237302] RIP: 0010:refcount_warn_saturate+0xba/0x110 [ 70.249356] Code: 01 01 e8 74 8b 95 00 0f 0b c3 cc cc cc cc 80 3d 60 2e 94 01 00 75 85 48 c7 c7 18 f7 d1 a5 c6 05 50 2e 94 01 01 e8 51 8b 95 00 <0f> 0b c3 cc cc cc cc 80 3d 3b 2e 94 01 00 0f 85 5e ff ff ff 48 c7 [ 70.270346] RSP: 0018:ffffad7482f97e40 EFLAGS: 00010286 [ 70.276187] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 [ 60.875925] RIP: 0033:0x7f50246ca8f3 # [ 60.886123] Code: [ 70.284188] RDX: ffff9c7bbadac660 RSI: ffff9c7bbad9bf70 RDI: ffff9c7bbad9bf70 [ 70.298373] RBP: ffffffffa5d83a98 R08: 0000000000000000 R09: 0000000000000000 [ 70.306343] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 70.314313] R13: ffffad7482f97f10 R14: ffffad7482f97f10 R15: ffff9c7b49442000 [ 70.322304] FS: 00007fb41def2580(0000) GS:ffff9c7bbad80000(0000) knlGS:0000000000000000 [ 70.331346] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.337764] CR2: 00007fb41dcfb000 CR3: 0000000108d6a002 CR4: 00000000003706e0 [ 70.345736] Call Trace: [ 70.348468] __refcount_sub_and_test.constprop.0+0x3c/0x50 [ 70.354595] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 [ 70.360917] direct_entry.cold+0x2c/0x38 [ 70.365337] full_proxy_write+0x53/0x80 [ 70.369652] vfs_write+0xe7/0x3a0 [ 70.373391] ksys_write+0x68/0xf0 [ 70.377091] do_syscall_64+0x30/0x40 [ 70.381107] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 70.386747] RIP: 0033:0x7fb41de088f3 [ 70.390737] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 70.411720] RSP: 002b:00007ffe0db22ed8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 70.420175] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fb41de088f3 [ 70.428146] RDX: 0000000000000020 RSI: 00007fb41dcfb000 RDI: 0000000000000001 [ 70.436116] RBP: 00007fb41dcfb000 R08: 00007fb41dcfa010 R09: 0000000000000000 [ 70.444087] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 70.452057] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 70.460031] irq event stamp: 0 [ 70.463459] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 70.470458] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 70.479595] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 70.488729] softirqs last disabled at (0): [<0000000000000000>] 0x0 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1[ 70.495730] ---[ end trace 2b9f7943086e2a25 ]--- f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <4[ 70.507097] lkdtm: Saturation detected: still saturated 8> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 60.907103] RSP: 002b:00007ffd7711ff28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 60.915560] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f50246ca8f3 # [ 60.923529] RDX: 000000000000000b RSI: 00007f50245bd000 RDI: 0000000000000001 # [ 60.931497] RBP: 00007f50245bd000 R08: 00007f50245bc010 R09: 0000000000000000 # [ 60.939465] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 60.947432] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # WRITE_KERN: saw 'call trace:': ok ok 41 selftests: lkdtm: WRITE_KERN.sh # selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # [ 61.137550] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 61.148596] lkdtm: attempting good refcount_inc() without overflow # [ 61.155513] lkdtm: attempting bad refcount_inc() overflow # [ 61.161550] ------------[ cut here ]------------ # [ 61.166706] refcount_t: saturated; leaking memory. # [ 61.172084] WARNING: CPU: 2 PID: 2057 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 61.181519] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_p[ 70.645070] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED kg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 61.214154] [ 70.657367] lkdtm: attempting bad refcount_sub_and_test() from saturated CPU: 2 PID: 2057 Comm: cat Tainted: G D W 5.10.153-[ 70.671071] ------------[ cut here ]------------ [ 70.682439] refcount_t: underflow; use-after-free. cip19 #1 # [ 61.222831] Hardware name: Google Rammus/Rammus, [ 70.687820] WARNING: CPU: 1 PID: 2593 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 BIOS 09/04/2020 # [ 61.229638] RIP: 0010:refcount_warn_satur[ 70.703430] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify ate+0x51/0x110 # [ 61.235473] Code: 84 bc 00 00 00 c3 cc cc c[ 70.736068] CPU: 1 PID: 2593 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 70.750932] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 c cc 85 f6 74 46 80 3d cb 2e 94 01 00 75 ee 48 c7 c7 c0 f6 d1 a5[ 70.757740] RIP: 0010:refcount_warn_saturate+0xba/0x110 c6 05 bb 2e 94 01 01 e8 ba 8b 95 00 <0f> 0b c3 cc cc cc cc 80 3[ 70.769783] Code: 01 01 e8 74 8b 95 00 0f 0b c3 cc cc cc cc 80 3d 60 2e 94 01 00 75 85 48 c7 c7 18 f7 d1 a5 c6 05 50 2e 94 01 01 e8 51 8b 95 00 <0f> 0b c3 cc cc cc cc 80 3d 3b 2e 94 01 00 0f 85 5e ff ff ff 48 c7 d a7 2e 94 01 00 75 cb 48 c7 c7 e8 f6 d1 # [ 61.256455] RSP: [ 70.796985] RSP: 0018:ffffad748305fe40 EFLAGS: 00010286 0018:ffffad74827a7e48 EFLAGS: 00010286 # [ 61.262294] RAX: 00[ 70.809035] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 [ 70.823218] RDX: ffff9c7bbacac660 RSI: ffff9c7bbac9bf70 RDI: ffff9c7bbac9bf70 00000000000000 RBX: 000000000000002b RCX: 0000000000000000 # [ [ 70.831191] RBP: ffffffffa5d83ab8 R08: 0000000000000000 R09: 0000000000000000 61.276483] RDX: ffff9c7bbad2c660 RSI: ffff9c7bbad1bf70 RDI: ff[ 70.845396] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 ff9c7bbad1bf70 # [ 61.284453] RBP: ffffffffa5d83d85 R08: 0000[ 70.859560] R13: ffffad748305ff10 R14: ffffad748305ff10 R15: ffff9c7b44f23000 [ 70.873742] FS: 00007f913eef0580(0000) GS:ffff9c7bbac80000(0000) knlGS:0000000000000000 000000000000 R09: 0000000000000000 # [ 61.292425] R10: 000000[ 70.882781] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.895407] CR2: 00007f913ecf9000 CR3: 0000000104e92006 CR4: 00000000003706e0 00ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 61[ 70.903378] Call Trace: .300396] R13: ffffad74827a7f10 R14: ffffad74827a7f10 R15: ffff9c[ 70.912334] __refcount_sub_and_test.constprop.0+0x3c/0x50 7b43666000 # [ 61.308367] FS: 00007f54b75de580(0000) GS:ffff[ 70.924677] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 9c7bbad00000(0000) knlGS:0000000000000000 # [ 61.317407] CS: [ 70.937213] direct_entry.cold+0x2c/0x38 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 61.323824] [ 70.947830] full_proxy_write+0x53/0x80 CR2: 00007f54b73e7000 CR3: 00000001027f8002 CR4: 00000000003706e[ 70.958338] vfs_write+0xe7/0x3a0 [ 70.968297] ksys_write+0x68/0xf0 0 # [ 61.331795] Call Trace: # [ 61.334526] lkdtm_REFCOUN[ 70.972001] do_syscall_64+0x30/0x40 T_INC_OVERFLOW+0x70/0x98 # [ 61.339878] direct_entry.cold+0x[ 70.982200] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 70.994051] RIP: 0033:0x7f913ee068f3 2c/0x38[ 70.998066] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 71.019721] RSP: 002b:00007ffde05c7938 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 71.028372] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f913ee068f3 # [ 61.344297] full_proxy_write+0x53/0x80 [ 71.036345] RDX: 0000000000000020 RSI: 00007f913ecf9000 RDI: 0000000000000001 [ 71.048784] RBP: 00007f913ecf9000 R08: 00007f913ecf8010 R09: 0000000000000000 # [ 61.354796] vfs_write+0xe7/0x3a0 # [ 61.358518] ksys_w[ 71.056755] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 rite+0x68/0xf0 [ 71.070938] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 71.080470] irq event stamp: 0 # [ 61.362219] do_syscall_64+0x30/0x40[ 71.083887] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 71.094871] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 71.104013] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 71.113351] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 71.120353] ---[ end trace 2b9f7943086e2a26 ]--- [ 71.125509] lkdtm: Saturation detected: still saturated # [ 61.366211] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 61.371853] RIP: 0033:0x7f54b74f48f3 # [ 61.375844] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 61.396830] RSP: 002b:00007ffd4ecc9168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 61.405297] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f54b74f48f3 # [ 61.413285] RDX: 0000000000000016 RSI: 00007f54b73e7000 RDI: 0000000000000001 # [ 61.421264] RBP: 00007f54b73e7000 R08: 00007f54b73e6010 R09: 0000000000000000 # [ 61.435450] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 61.449634] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 61.463846] irq event stamp: 0 # [ 61.467265] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 61.480478] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 61.489646] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 61.498831] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 61.505842] ---[ end trace 2b9f7943086e2a16 ]--- # [ 61.517203] lkdtm: Overflow detected: saturated # REFCOUNT_INC_OVERFLOW: saw 'call trace:': ok ok 42 selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh # [ 61.636649] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 61.647216] lkdtm: attempting good refcount_add() without overflow # [ 61.660351] lkdtm: attempting bad refcount_add() overflow # [ 61.672591] ------------[ cut here ]------------ # [ 61.677749] refcount_t: saturated; leaking memory. # [ 61.689[ 71.303945] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO [ 71.312104] lkdtm: attempting good copy_to_user of correct size [ 71.318731] lkdtm: attempting bad copy_to_user of too large size 339] WARNING: CPU: 1 PID: 2089 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 61.704956] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 61.737589] CPU: 1 PID: 2089 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 61.746244] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 61.759267] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 61.771361] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d cb 2e 94 01 00 75 ee 48 c7 c7 c0 f6 d1 a5 c6 05 bb 2e 94 01 01 e8 ba 8b 95 00 <0f> 0b c3 cc cc cc cc 80 3d a7 2e 94 01 00 75 cb 48 c7 c7 e8 f6 d1 # [ 61.798539] RSP: 0018:ffffad748283fe48 EFLAGS: 00010286 # [ 61.810612] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 # [ 61.824782] RDX: ffff9c7bbacac660 RSI: ffff9c7bbac9bf70 RDI: ffff9c7bbac9bf70 # [ 61.838964] RBP: ffffffffa5d83d9b R08: 0000000000000000 R09: 0000000000000000 # [ 61.853152] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 61.867347] R13: ffffad748283ff10 R14: ffffad748283ff10 R15: ffff9c7b44f1[ 71.443598] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM b000 # [ 61.881534] FS: 00007f2a3fc1c580(0000) GS:ffff9c7bba[ 71.456778] lkdtm: attempting good copy_from_user of correct size c80000(0000) knlGS:0000000000000000 # [ 61.896791] CS: 0010 [ 71.469771] lkdtm: attempting bad copy_from_user of too large size DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 61.909428] CR2: 00007f2a3fa25000 CR3: 0000000103012005 CR4: 00000000003706e0 # [ 61.923617] Call Trace: # [ 61.932566] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 # [ 61.944134] direct_entry.cold+0x2c/0x38 # [ 61.954730] full_proxy_write+0x53/0x80 # [ 61.965226] vfs_write+0xe7/0x3a0 # [ 61.975143] ksys_write+0x68/0xf0 # [ 61.985061] do_syscall_64+0x30/0x40 # [ 61.995303] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 62.007168] RIP: 0033:0x7f2a3fb328f3 # [ 62.017373] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 62.044577] RSP: 002b:00007fffa31af168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 62.059248] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f2a3fb328f3 # [ 62.073435] RDX: 0000000000000016 RSI: 00007f2a3fa25000 RDI: 0000000000000001 # [ 62.087621] RBP: 00007f2a3fa25000 R08: 00007f2a3fa24010 R09: 0000000000000000 # [ 62.101809] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 62.115996] R13: 0000000000000001 R14[ 71.600378] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO [ 71.608109] lkdtm: attempting good copy_to_user inside whitelist [ 71.614841] lkdtm: attempting bad copy_to_user outside whitelist : 0000000000020000 R15: 0000000000020000 # [ 62.130189] irq event stamp: 0 # [ 62.139807] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 62.153022] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 62.168375] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 62.183727] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 62.196944] ---[ end trace 2b9f7943086e2a17 ]--- # [ 62.208318] 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 # [ 62.327481] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 62.339047] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 62.345956] ------------[ cut here ]------------ # [ 62.351120] refcount_t: saturated; leaking memory. # [ 62.362695] WARNING: CPU: 3 PID: 2121 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 62.378345] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_[ 71.740847] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM thermal cros_ec_dev cros_usbpd_notify # [ 62.404802] CPU: 3 P[ 71.753333] lkdtm: attempting good copy_from_user inside whitelist ID: 2121 Comm: cat Tainted: G D W 5.10.153-cip19 #1[ 71.766461] lkdtm: attempting bad copy_from_user outside whitelist # [ 62.419689] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 62.426507] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 62.438552] Code: 01 01 e8 97 8b 95 00 0f 0b c3 cc cc cc cc 80 3d 86 2e 94 01 00 75 a8 48 c7 c7 c0 f6 d1 a5 c6 05 76 2e 94 01 01 e8 74 8b 95 00 <0f> 0b c3 cc cc cc cc 80 3d 60 2e 94 01 00 75 85 48 c7 c7 18 f7 d1 # [ 62.459537] RSP: 0018:ffffad748289fe38 EFLAGS: 00010282 # [ 62.465376] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 62.473351] RDX: ffff9c7bbadac660 RSI: ffff9c7bbad9bf70 RDI: ffff9c7bbad9bf70 # [ 62.481339] RBP: ffffffffa5d839d8 R08: 0000000000000000 R09: 0000000000000000 # [ 62.489344] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 62.497324] R13: ffffad748289ff10 R14: ffffad748289ff10 R15: ffff9c7b438aa000 # [ 62.505299] FS: 00007fb52dc5a580(0000) GS:ffff9c7bbad80000(0000) knlGS:0000000000000000 # [ 62.514339] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 62.526970] CR2: 00007fb52da63000 CR3: 00000001031b8005 CR4: 00000000003706e0 # [ 62.534944] Call Trace: # [ 62.537676] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 62.543828] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 62.556260] direct_entry.cold+[ 71.901937] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO [ 71.910817] lkdtm: good_stack: ffffad748339fe20-ffffad748339fe40 [ 71.917586] lkdtm: bad_stack : ffffad748339fda8-ffffad748339fdc8 0x2c/0x38 # [ 62.560641] full_proxy_write+0x53/0x80 # [ 6[ 71.924365] lkdtm: attempting good copy_to_user of local stack [ 71.937052] lkdtm: attempting bad copy_to_user of distant stack 2.564949] vfs_write+0xe7/0x3a0 # [ 62.568680] ksys_write+0x68/0xf0 # [ 62.572405] do_syscall_64+0x30/0x40 # [ 62.576421] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 62.582089] RIP: 0033:0x7fb52db708f3 # [ 62.586081] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 62.607061] RSP: 002b:00007ffe72bfb4e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 62.615518] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fb52db708f3 # [ 62.623492] RDX: 000000000000001f RSI: 00007fb52da63000 RDI: 0000000000000001 # [ 62.637682] RBP: 00007fb52da63000 R08: 00007fb52da62010 R09: 0000000000000000 # [ 62.651870] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 62.659845] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 62.667840] irq event stamp: 0 # [ 62.671256] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 62.684469] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 62.693608] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 62.702745] softirqs last [ 72.069044] lkdtm: good_stack: ffffad748340fe20-ffffad748340fe40 disabled at (0): [<0000000000000000>] 0x0 # [ 62.709747] ---[[ 72.081974] lkdtm: bad_stack : ffffad748340fda8-ffffad748340fdc8 end trace 2b9f7943086e2a18 ]--- # [ 62.714902] lkdtm: Overfl[ 72.094933] lkdtm: attempting good copy_from_user of local stack ow detected: saturated # REFCOUNT_INC_NOT_ZERO_OVERFLOW: saw 'c[ 72.107894] lkdtm: attempting bad copy_from_user of distant stack all trace:': ok ok 44 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh # [ 62.838770] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 62.851959] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 62.865100] ------------[ cut here ]------------ # [ 62.876450] refcount_t: saturated; leaking memory. # [ 62.881833] WARNING: CPU: 1 PID: 2153 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 62.897445] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 62.930089] CPU: 1 PID: 2153 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 62.944960] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 62.957982] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 62.970032] Code: 01 01 e8 97 8b 95 00 0f 0b c3 cc cc cc cc 80 3d 86 2e 94 01 00 75 a8 48 c7 c7 c0 f6 d1 a5 c6 05 76 2e 94 01 01 e8 74 8b 95 00 <0f> 0b c3 cc cc cc cc 80 3d 60 2e 94 01 00 75 85 48 c7 c7 18 f7 d1 # [ 62.997254] RSP: 0018:ffffad7482947e38 EFLAGS: 00010282 # [ [ 72.242772] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND [ 72.251929] lkdtm: good_stack: ffffad74834d7e20-ffffad74834d7e40 [ 72.258660] lkdtm: bad_stack : ffffad74834d7ff8-ffffad74834d8018 [ 72.265402] lkdtm: attempting good copy_to_user of local stack [ 72.271936] lkdtm: attempting bad copy_to_user of distant stack [ 72.278566] lkdtm: copy_to_user failed, but lacked Oops 63.009295] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 63.023482] RDX: ffff9c7bbacac660 RSI: ffff9c7bbac9bf70 RDI: ffff9c7bbac9bf70 # [ 63.031456] RBP: ffffffffa5d839f8 R08: 0000000000000000 R09: 0000000000000000 # [ 63.045636] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 63.053607] R13: ffffad7482947f10 R14: ffffad7482947f10 R15: ffff9c7b48d37000 # [ 63.067787] FS: 00007f8bddb86580(0000) GS:ffff9c7bbac80000(0000) knlGS:0000000000000000 # [ 63.076828] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 63.089454] CR2: 00007f8bdd98f000 CR3: 0000000104ce8006 CR4: 00000000003706e0 # [ 63.097428] Call Trace: # [ 63.106371] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 63.118711] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 63.131146] direct_entry.cold+0x2c/0x38 # [ 63.135528] full_proxy_write+0x53/0x80 # [ 63.146021] vfs_write+0xe7/0x3a0 # [ 63.155935] ksys_write+0x68/0xf0 # [ 63.165850] do_syscall_64+0x30/0x40 # [ 63.176054] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 63.187913] RIP: 0033:0x7f8bdda9c8f3 # [ 63.191905] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00[ 72.404605] lkdtm: Performing direct entry USERCOPY_KERNEL [ 72.414890] lkdtm: attempting good copy_to_user from kernel rodata: ffffffffa599c210 [ 72.423573] lkdtm: attempting bad copy_to_user from kernel text: ffffffffa46e31f0 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 4[ 72.431940] lkdtm: FAIL: survived bad copy_to_user() 8 89 54 24 18 # [ 63.219093] RSP: 002b:00007fff196d8a98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 63.227553] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f8bdda9c8f3 # [ 63.241737] RDX: 000000000000001f RSI: 00007f8bdd98f000 RDI: 0000000000000001 # [ 63.255927] RBP: 00007f8bdd98f000 R08: 00007f8bdd98e010 R09: 0000000000000000 # [ 63.270115] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 63.278086] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 63.292287] irq event stamp: 0 # [ 63.301914] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 63.315131] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 63.330481] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 63.345831] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 63.352834] ---[ end trace 2b9f7943086e2a19 ]--- # [ 63.364199] lkdtm: Overflow detected: saturated # REFCOUNT_ADD_NOT_ZERO_OVERFLOW: saw 'call trace:': ok ok 45 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_DEC_ZERO.sh # [ 63.494647] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 63.506111] lkdtm: attempting good refco[ 72.563302] lkdtm: Performing direct entry STACKLEAK_ERASING unt_dec() # [ 63.517580] lkdtm: attempting bad refcount_dec()[ 72.574365] lkdtm: checking unused part of the thread stack (15928 bytes)... to zero # [ 63.529707] ------------[ cut here ]------------ [ 72.588480] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) # [ 63.541079] refcount_t: decrement hit 0; leaking memory. [ 72.602465] lkdtm: FAIL: the thread stack is NOT properly erased # [ 63.547042] WARNING: CPU: 1 PID: 2185 at lib/refcount.c:31 [ 72.615424] CPU: 0 PID: 2958 Comm: cat Tainted: G D W 5.10.153-cip19 #1 [ 72.630226] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 72.637028] Call Trace: [ 72.639760] dump_stack+0x77/0x9b [ 72.643463] lkdtm_STACKLEAK_ERASING+0x116/0x144 [ 72.648617] direct_entry.cold+0x2c/0x38 [ 72.653001] full_proxy_write+0x53/0x80 [ 72.657288] vfs_write+0xe7/0x3a0 [ 72.660992] ksys_write+0x68/0xf0 [ 72.664683] do_syscall_64+0x30/0x40 [ 72.668679] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 72.674320] RIP: 0033:0x7f0d2e85f8f3 [ 72.678309] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 72.699292] RSP: 002b:00007fffb8ef4b18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 72.707741] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f0d2e85f8f3 [ 72.715710] RDX: 0000000000000012 RSI: 00007f0d2e752000 RDI: 0000000000000001 [ 72.723679] RBP: 00007f0d2e752000 R08: 00007f0d2e751010 R09: 0000000000000000 [ 72.731648] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 72.739618] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 refcount_warn_saturate+0xfb/0x110 # [ 63.562650] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 63.595310] CPU: 1 PID: 2185 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 63.610164] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 63.623182] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 63.629019] Code: 70 f7 d1 a5 c6 05 27 2e 94 01 01 e8 2a 8b 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 40 f7 d1 a5 c6 05 0e 2e 94 01 01 e8 10 8b 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 63.656210] RSP: 0018:ffffad74829afe48 EFLAGS: 00010286 # [ 63.668281] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 # [ 63.682464] RDX: ffff9c7bbacac660 RSI: ffff9c7bbac9bf70 RDI: ffff9c7bbac9bf70 # [ 63.690437] RBP: ffffffffa5d83db1 R08: 0000000000000000 R09: 0000000000000000 # [ 63.704618] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 63.712592] R13: ffffad74829aff10 R14: ffffad74829aff10 R15: ffff9c7b4285b000 # [ 63.726770] FS: 00007fa9c1195580(0000) GS:ffff9c7bbac80000(0000) knlGS:0000000000000000 # [ 63.735812[ 72.873004] lkdtm: Performing direct entry CFI_FORWARD_PROTO [ 72.884466] lkdtm: Calling matched prototype ... [ 72.889661] lkdtm: Calling mismatched prototype ... [ 72.895121] lkdtm: Fail: survived mismatched prototype function call! ] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 63.748439] CR2: 00007fa9c0f9e000 CR3: 00000001031b8004 CR4: 00000000003706e0 # [ 63.756410] Call Trace: # [ 63.765355] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd # [ 63.776528] direct_entry.cold+0x2c/0x38 # [ 63.787120] full_proxy_write+0x53/0x80 # [ 63.797623] vfs_write+0xe7/0x3a0 # [ 63.807536] ksys_write+0x68/0xf0 # [ 63.817452] do_syscall_64+0x30/0x40 # [ 63.827657] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 63.839512] RIP: 0033:0x7fa9c10ab8f3 # [ 63.849717] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 63.876913] RSP: 002b:00007ffd8e293e98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 63.891587] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fa9c10ab8f3 # [ 63.905774] RDX: 0000000000000012 RSI: 00007fa9c0f9e000 RDI: 0000000000000001 # [ 63.919962] RBP: 00007fa9c0f9e000 R08: 00007fa9c0f9d010 R09: 0000000000000000 # [ 63.934147] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 63.948343] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 63.962537] irq event stamp: 0 # [ 63.972156] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 63.985373] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 64.000724] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 64.016076] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 64.029296] ---[ end trace 2b9f7943086e2a1a ]--- # [ 64.040668] 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 # [ 64.157625] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 64.170160] lkdtm: attempting bad refcount_dec() below zero # [ 64.182620] ------------[ cut here ]------------ # [ 64.193987] refcount_t: decrement hit 0; leaking memory. # [ 64.206194] WARNING: CPU: 0 PID: 2220 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 64.221788] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 64.254473] CPU: 0 PID: 2220 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 64.269356] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 64.282342] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 64.294393] Code: 70 f7 d1 a5 c6 05 27 2e 94 01 01 e8 2a 8b 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 40 f7 d1 a5 c6 05 0e 2e 94 01 01 e8 10 8b 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 64.321584] RSP: 0018:ffffad7482a3fe48 EFLAGS: 00010286 # [ 64.333640] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 # [ 64.347811] RDX: ffff9c7bbac2c660 RSI: ffff9c7bbac1bf70 RDI: ffff9c7bbac1bf70 # [ 64.362021] RBP: ffffffffa5d83dc3 R08: 0000000000000000 R09: 0000000000000000 # [ 64.376191] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 64.390407] R13: ffffad7482a3ff10 R14: ffffad7482a3ff10 R15: ffff9c7b413ee000 # [ 64.404578] FS: 00007f663cc4a580(0000) GS:ffff9c7bbac00000(0000) knlGS:0000000000000000 # [ 64.419860] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 64.432479] CR2: 00007f663ca53000 CR3: 000000010299e003 CR4: 00000000003706f0 # [ 64.446669] Call Trace: # [ 64.455618] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 # [ 64.467198] direct_entry.cold+0x2c/0x38 # [ 64.477788] full_proxy_write+0x53/0x80 # [ 64.488317] vfs_write+0xe7/0x3a0 # [ 64.498212] ksys_write+0x68/0xf0 # [ 64.508146] do_syscall_64+0x30/0x40 # [ 64.518369] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 64.530185] RIP: 0033:0x7f663cb608f3 # [ 64.540377] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 64.567574] RSP: 002b:00007ffe33ec9168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 64.582240] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f663cb608f3 # [ 64.596423] RDX: 0000000000000016 RSI: 00007f663ca53000 RDI: 0000000000000001 # [ 64.610622] RBP: 00007f663ca53000 R08: 00007f663ca52010 R09: 0000000000000000 # [ 64.624822] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 64.639006] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 64.653209] irq event stamp: 0 # [ 64.662843] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 64.676064] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 64.691436] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 64.706793] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 64.720030] ---[ end trace 2b9f7943086e2a1b ]--- # [ 64.731404] lkdtm: Negative detected: saturated # REFCOUNT_DEC_NEGATIVE: saw 'Negative detected: saturated': ok ok 47 selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh # [ 64.848077] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 64.856043] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 64.863173] ------------[ cut here ]------------ # [ 64.868343] refcount_t: underflow; use-after-free. # [ 64.879909] WARNING: CPU: 3 PID: 2255 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 64.895540] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 64.928180] CPU: 3 PID: 2255 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 64.936866] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 64.949880] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 64.955734] Code: 01 01 e8 74 8b 95 00 0f 0b c3 cc cc cc cc 80 3d 60 2e 94 01 00 75 85 48 c7 c7 18 f7 d1 a5 c6 05 50 2e 94 01 01 e8 51 8b 95 00 <0f> 0b c3 cc cc cc cc 80 3d 3b 2e 94 01 00 0f 85 5e ff ff ff 48 c7 # [ 64.976723] RSP: 0018:ffffad7482ac7e40 EFLAGS: 00010286 # [ 64.982593] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 # [ 64.990568] RDX: ffff9c7bbadac660 RSI: ffff9c7bbad9bf70 RDI: ffff9c7bbad9bf70 # [ 64.998541] RBP: ffffffffa5d83a18 R08: 0000000000000000 R09: 0000000000000000 # [ 65.006513] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 65.014485] R13: ffffad7482ac7f10 R14: ffffad7482ac7f10 R15: ffff9c7b494a7000 # [ 65.022458] FS: 00007f62c354b580(0000) GS:ffff9c7bbad80000(0000) knlGS:0000000000000000 # [ 65.031528] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 65.037946] CR2: 00007f62c3354000 CR3: 00000001041c0006 CR4: 00000000003706e0 # [ 65.045918] Call Trace: # [ 65.048653] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 65.054812] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 # [ 65.061069] direct_entry.cold+0x2c/0x38 # [ 65.065479] full_proxy_write+0x53/0x80 # [ 65.069797] vfs_write+0xe7/0x3a0 # [ 65.073528] ksys_write+0x68/0xf0 # [ 65.077254] do_syscall_64+0x30/0x40 # [ 65.081299] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 65.086953] RIP: 0033:0x7f62c34618f3 # [ 65.097147] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 65.118131] RSP: 002b:00007fff1dfa2768 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 65.126620] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f62c34618f3 # [ 65.134594] RDX: 000000000000001f RSI: 00007f62c3354000 RDI: 0000000000000001 # [ 65.142572] RBP: 00007f62c3354000 R08: 00007f62c3353010 R09: 0000000000000000 # [ 65.150544] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 65.158547] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 65.166528] irq event stamp: 0 # [ 65.176146] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 65.189366] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 65.198534] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 65.207673] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 65.214674] ---[ end trace 2b9f7943086e2a1c ]--- # [ 65.219831] lkdtm: Negative detected: saturated # REFCOUNT_DEC_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok ok 48 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh # [ 65.333613] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 65.344430] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 65.357782] ------------[ cut here ]------------ # [ 65.369143] refcount_t: underflow; use-after-free. # [ 65.380714] WARNING: CPU: 0 PID: 2290 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 65.396387] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 65.428993] CPU: 0 PID: 2290 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 65.443851] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 65.456892] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 65.468975] Code: 01 01 e8 74 8b 95 00 0f 0b c3 cc cc cc cc 80 3d 60 2e 94 01 00 75 85 48 c7 c7 18 f7 d1 a5 c6 05 50 2e 94 01 01 e8 51 8b 95 00 <0f> 0b c3 cc cc cc cc 80 3d 3b 2e 94 01 00 0f 85 5e ff ff ff 48 c7 # [ 65.496151] RSP: 0018:ffffad7482b3fe40 EFLAGS: 00010286 # [ 65.508235] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 # [ 65.522410] RDX: ffff9c7bbac2c660 RSI: ffff9c7bbac1bf70 RDI: ffff9c7bbac1bf70 # [ 65.536592] RBP: ffffffffa5d83a38 R08: 0000000000000000 R09: 0000000000000000 # [ 65.550759] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 65.564942] R13: ffffad7482b3ff10 R14: ffffad7482b3ff10 R15: ffff9c7b48e24000 # [ 65.579121] FS: 00007f570ac38580(0000) GS:ffff9c7bbac00000(0000) knlGS:0000000000000000 # [ 65.594389] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 65.607017] CR2: 00007f570aa41000 CR3: 0000000109576001 CR4: 00000000003706f0 # [ 65.621209] Call Trace: # [ 65.630149] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 65.642503] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b # [ 65.654937] direct_entry.cold+0x2c/0x38 # [ 65.665558] full_proxy_write+0x53/0x80 # [ 65.676031] vfs_write+0xe7/0x3a0 # [ 65.685954] ksys_write+0x68/0xf0 # [ 65.695849] do_syscall_64+0x30/0x40 # [ 65.706071] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 65.717908] RIP: 0033:0x7f570ab4e8f3 # [ 65.728132] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 65.755349] RSP: 002b:00007fff5f8b01a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 65.770042] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f570ab4e8f3 # [ 65.784188] RDX: 000000000000001f RSI: 00007f570aa41000 RDI: 0000000000000001 # [ 65.798385] RBP: 00007f570aa41000 R08: 00007f570aa40010 R09: 0000000000000000 # [ 65.812554] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 65.826760] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 65.840934] irq event stamp: 0 # [ 65.850537] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 65.863754] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 65.879131] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 65.894479] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 65.907704] ---[ end trace 2b9f7943086e2a1d ]--- # [ 65.919068] 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 # [ 66.034428] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 66.042364] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 66.049499] lkdtm: Good: zero detected # [ 66.053700] lkdtm: Correctly stayed at zero # [ 66.058379] lkdtm: attempting bad refcount_inc() from zero # [ 66.064507] ------------[ cut here ]------------ # [ 66.069661] refcount_t: addition on 0; use-after-free. # [ 66.075430] WARNING: CPU: 2 PID: 2322 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 66.084864] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 66.117493] CPU: 2 PID: 2322 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 66.126175] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 66.132984] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 66.138825] Code: 01 01 e8 ba 8b 95 00 0f 0b c3 cc cc cc cc 80 3d a7 2e 94 01 00 75 cb 48 c7 c7 e8 f6 d1 a5 c6 05 97 2e 94 01 01 e8 97 8b 95 00 <0f> 0b c3 cc cc cc cc 80 3d 86 2e 94 01 00 75 a8 48 c7 c7 c0 f6 d1 # [ 66.159814] RSP: 0018:ffffad7482bdfe48 EFLAGS: 00010286 # [ 66.165681] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 # [ 66.173655] RDX: ffff9c7bbad2c660 RSI: ffff9c7bbad1bf70 RDI: ffff9c7bbad1bf70 # [ 66.187846] RBP: ffffffffa5d83dd9 R08: 0000000000000000 R09: 0000000000000000 # [ 66.202031] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 66.210001] R13: ffffad7482bdff10 R14: ffffad7482bdff10 R15: ffff9c7b48e1b000 # [ 66.224186] FS: 00007f53d2686580(0000) GS:ffff9c7bbad00000(0000) knlGS:0000000000000000 # [ 66.233228] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 66.239670] CR2: 00007f53d248f000 CR3: 00000001033c2003 CR4: 00000000003706e0 # [ 66.247644] Call Trace: # [ 66.250376] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 # [ 66.255394] direct_entry.cold+0x2c/0x38 # [ 66.259788] full_proxy_write+0x53/0x80 # [ 66.270298] vfs_write+0xe7/0x3a0 # [ 66.280213] ksys_write+0x68/0xf0 # [ 66.283914] do_syscall_64+0x30/0x40 # [ 66.287906] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 66.293548] RIP: 0033:0x7f53d259c8f3 # [ 66.297538] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 66.318520] RSP: 002b:00007ffef7641358 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 66.326979] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f53d259c8f3 # [ 66.334949] RDX: 0000000000000012 RSI: 00007f53d248f000 RDI: 0000000000000001 # [ 66.342918] RBP: 00007f53d248f000 R08: 00007f53d248e010 R09: 0000000000000000 # [ 66.350889] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 66.358859] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 66.366837] irq event stamp: 0 # [ 66.370270] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 66.383478] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 66.392613] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 66.401750] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 66.408749] ---[ end trace 2b9f7943086e2a1e ]--- # [ 66.413903] lkdtm: Zero detected: saturated # REFCOUNT_INC_ZERO: saw 'call trace:': ok ok 50 selftests: lkdtm: REFCOUNT_INC_ZERO.sh # selftests: lkdtm: REFCOUNT_ADD_ZERO.sh # [ 66.532915] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 66.543043] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 66.556373] lkdtm: Good: zero detected # [ 66.566762] lkdtm: Correctly stayed at zero # [ 66.577646] lkdtm: attempting bad refcount_add() from zero # [ 66.589990] ------------[ cut here ]------------ # [ 66.601367] refcount_t: addition on 0; use-after-free. # [ 66.607159] WARNING: CPU: 1 PID: 2354 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 66.622763] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 66.655423] CPU: 1 PID: 2354 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 66.670284] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 66.683298] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 66.695355] Code: 01 01 e8 ba 8b 95 00 0f 0b c3 cc cc cc cc 80 3d a7 2e 94 01 00 75 cb 48 c7 c7 e8 f6 d1 a5 c6 05 97 2e 94 01 01 e8 97 8b 95 00 <0f> 0b c3 cc cc cc cc 80 3d 86 2e 94 01 00 75 a8 48 c7 c7 c0 f6 d1 # [ 66.722549] RSP: 0018:ffffad7482c4fe48 EFLAGS: 00010286 # [ 66.728387] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 # [ 66.742566] RDX: ffff9c7bbacac660 RSI: ffff9c7bbac9bf70 RDI: ffff9c7bbac9bf70 # [ 66.750539] RBP: ffffffffa5d83deb R08: 0000000000000000 R09: 0000000000000000 # [ 66.764716] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 66.772688] R13: ffffad7482c4ff10 R14: ffffad7482c4ff10 R15: ffff9c7b44a52000 # [ 66.786869] FS: 00007fe809d27580(0000) GS:ffff9c7bbac80000(0000) knlGS:0000000000000000 # [ 66.802121] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 66.808537] CR2: 00007fe809b30000 CR3: 0000000108e20004 CR4: 00000000003706e0 # [ 66.822716] Call Trace: # [ 66.825450] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 # [ 66.836619] direct_entry.cold+0x2c/0x38 # [ 66.847215] full_proxy_write+0x53/0x80 # [ 66.857710] vfs_write+0xe7/0x3a0 # [ 66.867622] ksys_write+0x68/0xf0 # [ 66.877533] do_syscall_64+0x30/0x40 # [ 66.887738] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 66.899592] RIP: 0033:0x7fe809c3d8f3 # [ 66.903584] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 66.930776] RSP: 002b:00007ffdacb33878 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 66.945446] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fe809c3d8f3 # [ 66.953419] RDX: 0000000000000012 RSI: 00007fe809b30000 RDI: 0000000000000001 # [ 66.967598] RBP: 00007fe809b30000 R08: 00007fe809b2f010 R09: 0000000000000000 # [ 66.975569] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 66.989748] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 66.997743] irq event stamp: 0 # [ 67.007344] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 67.014353] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 67.029696] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 67.038834] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 67.052042] ---[ end trace 2b9f7943086e2a1f ]--- # [ 67.057199] 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 # [ 67.182202] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 67.193013] lkdtm: attempting bad refcount_inc() from saturated # [ 67.205851] ------------[ cut here ]------------ # [ 67.217210] refcount_t: saturated; leaking memory. # [ 67.228857] WARNING: CPU: 0 PID: 2389 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 67.244435] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 67.277096] CPU: 0 PID: 2389 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 67.291950] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 67.305052] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 67.317038] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d cb 2e 94 01 00 75 ee 48 c7 c7 c0 f6 d1 a5 c6 05 bb 2e 94 01 01 e8 ba 8b 95 00 <0f> 0b c3 cc cc cc cc 80 3d a7 2e 94 01 00 75 cb 48 c7 c7 e8 f6 d1 # [ 67.344254] RSP: 0018:ffffad7482cdfe48 EFLAGS: 00010286 # [ 67.356269] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 # [ 67.370474] RDX: ffff9c7bbac2c660 RSI: ffff9c7bbac1bf70 RDI: ffff9c7bbac1bf70 # [ 67.384651] RBP: ffffffffa5d83dfd R08: 0000000000000000 R09: 0000000000000000 # [ 67.398864] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 67.413008] R13: ffffad7482cdff10 R14: ffffad7482cdff10 R15: ffff9c7b43013000 # [ 67.427207] FS: 00007fca95d79580(0000) GS:ffff9c7bbac00000(0000) knlGS:0000000000000000 # [ 67.442454] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 67.455113] CR2: 00007fca95b82000 CR3: 00000001094a0002 CR4: 00000000003706f0 # [ 67.469313] Call Trace: # [ 67.478310] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 # [ 67.489930] direct_entry.cold+0x2c/0x38 # [ 67.500534] full_proxy_write+0x53/0x80 # [ 67.511021] vfs_write+0xe7/0x3a0 # [ 67.520943] ksys_write+0x68/0xf0 # [ 67.530845] do_syscall_64+0x30/0x40 # [ 67.541059] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 67.552905] RIP: 0033:0x7fca95c8f8f3 # [ 67.563125] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 67.590335] RSP: 002b:00007fff77a15c88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 67.605033] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fca95c8f8f3 # [ 67.619189] RDX: 0000000000000017 RSI: 00007fca95b82000 RDI: 0000000000000001 # [ 67.633403] RBP: 00007fca95b82000 R08: 00007fca95b81010 R09: 0000000000000000 # [ 67.647566] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 67.661740] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 67.675933] irq event stamp: 0 # [ 67.685547] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 67.698760] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 67.714118] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 67.729479] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 67.742696] ---[ end trace 2b9f7943086e2a20 ]--- # [ 67.754070] lkdtm: Saturation detected: still saturated # REFCOUNT_INC_SATURATED: saw 'Saturation detected: still saturated': ok ok 52 selftests: lkdtm: REFCOUNT_INC_SATURATED.sh # selftests: lkdtm: REFCOUNT_DEC_SATURATED.sh # [ 67.881000] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 67.891179] lkdtm: attempting bad refcount_dec() from saturated # [ 67.897800] ------------[ cut here ]------------ # [ 67.902966] refcount_t: decrement hit 0; leaking memory. # [ 67.908932] WARNING: CPU: 3 PID: 2424 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 67.918365] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 67.950996] CPU: 3 PID: 2424 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 67.959669] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 67.966476] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 67.972316] Code: 70 f7 d1 a5 c6 05 27 2e 94 01 01 e8 2a 8b 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 40 f7 d1 a5 c6 05 0e 2e 94 01 01 e8 10 8b 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 67.999512] RSP: 0018:ffffad7482d67e48 EFLAGS: 00010286 # [ 68.011564] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 # [ 68.019566] RDX: ffff9c7bbadac660 RSI: ffff9c7bbad9bf70 RDI: ffff9c7bbad9bf70 # [ 68.027536] RBP: ffffffffa5d83e14 R08: 0000000000000000 R09: 0000000000000000 # [ 68.035507] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 68.043477] R13: ffffad7482d67f10 R14: ffffad7482d67f10 R15: ffff9c7b49404000 # [ 68.051469] FS: 00007f0a3c86c580(0000) GS:ffff9c7bbad80000(0000) knlGS:0000000000000000 # [ 68.060520] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 68.073142] CR2: 00007f0a3c675000 CR3: 00000001027c0002 CR4: 00000000003706e0 # [ 68.081112] Call Trace: # [ 68.083844] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f # [ 68.089319] direct_entry.cold+0x2c/0x38 # [ 68.099906] full_proxy_write+0x53/0x80 # [ 68.104190] vfs_write+0xe7/0x3a0 # [ 68.107914] ksys_write+0x68/0xf0 # [ 68.111614] do_syscall_64+0x30/0x40 # [ 68.115638] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 68.121303] RIP: 0033:0x7f0a3c7828f3 # [ 68.125296] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 68.152493] RSP: 002b:00007ffe96aedc28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 68.160951] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f0a3c7828f3 # [ 68.175137] RDX: 0000000000000017 RSI: 00007f0a3c675000 RDI: 0000000000000001 # [ 68.183108] RBP: 00007f0a3c675000 R08: 00007f0a3c674010 R09: 0000000000000000 # [ 68.191080] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 68.199051] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 68.207026] irq event stamp: 0 # [ 68.210459] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 68.223670] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 68.232806] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 68.241942] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 68.248941] ---[ end trace 2b9f7943086e2a21 ]--- # [ 68.254095] lkdtm: Saturation detected: still saturated # REFCOUNT_DEC_SATURATED: saw 'Saturation detected: still saturated': ok ok 53 selftests: lkdtm: REFCOUNT_DEC_SATURATED.sh # selftests: lkdtm: REFCOUNT_ADD_SATURATED.sh # [ 68.377661] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 68.384863] lkdtm: attempting bad refcount_dec() from saturated # [ 68.397709] ------------[ cut here ]------------ # [ 68.409063] refcount_t: saturated; leaking memory. # [ 68.420639] WARNING: CPU: 1 PID: 2459 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 68.436268] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 68.468921] CPU: 1 PID: 2459 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 68.483786] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 68.496807] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 68.508835] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d cb 2e 94 01 00 75 ee 48 c7 c7 c0 f6 d1 a5 c6 05 bb 2e 94 01 01 e8 ba 8b 95 00 <0f> 0b c3 cc cc cc cc 80 3d a7 2e 94 01 00 75 cb 48 c7 c7 e8 f6 d1 # [ 68.536028] RSP: 0018:ffffad7482e1fe48 EFLAGS: 00010286 # [ 68.548077] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 # [ 68.556051] RDX: ffff9c7bbacac660 RSI: ffff9c7bbac9bf70 RDI: ffff9c7bbac9bf70 # [ 68.570231] RBP: ffffffffa5d83e2b R08: 0000000000000000 R09: 0000000000000000 # [ 68.578202] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 68.592379] R13: ffffad7482e1ff10 R14: ffffad7482e1ff10 R15: ffff9c7b44cff000 # [ 68.600352] FS: 00007f965f098580(0000) GS:ffff9c7bbac80000(0000) knlGS:0000000000000000 # [ 68.615597] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 68.622015] CR2: 00007f965eea1000 CR3: 000000010267a003 CR4: 00000000003706e0 # [ 68.636194] Call Trace: # [ 68.638926] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 # [ 68.650588] direct_entry.cold+0x2c/0x38 # [ 68.661181] full_proxy_write+0x53/0x80 # [ 68.671678] vfs_write+0xe7/0x3a0 # [ 68.681591] ksys_write+0x68/0xf0 # [ 68.691504] do_syscall_64+0x30/0x40 # [ 68.701714] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 68.713568] RIP: 0033:0x7f965efae8f3 # [ 68.723772] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 68.744755] RSP: 002b:00007ffc3c6d47d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 68.759418] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f965efae8f3 # [ 68.767390] RDX: 0000000000000017 RSI: 00007f965eea1000 RDI: 0000000000000001 # [ 68.781571] RBP: 00007f965eea1000 R08: 00007f965eea0010 R09: 0000000000000000 # [ 68.789542] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 68.803721] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 68.811717] irq event stamp: 0 # [ 68.821312] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 68.834529] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 68.849878] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 68.859016] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 68.872224] ---[ end trace 2b9f7943086e2a22 ]--- # [ 68.877380] 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 # [ 69.006658] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 69.015197] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 69.028922] ------------[ cut here ]------------ # [ 69.040268] refcount_t: saturated; leaking memory. # [ 69.051864] WARNING: CPU: 1 PID: 2491 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 69.067475] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 69.100135] CPU: 1 PID: 2491 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 69.114979] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 69.127995] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 69.133831] Code: 01 01 e8 97 8b 95 00 0f 0b c3 cc cc cc cc 80 3d 86 2e 94 01 00 75 a8 48 c7 c7 c0 f6 d1 a5 c6 05 76 2e 94 01 01 e8 74 8b 95 00 <0f> 0b c3 cc cc cc cc 80 3d 60 2e 94 01 00 75 85 48 c7 c7 18 f7 d1 # [ 69.161019] RSP: 0018:ffffad7482e77e38 EFLAGS: 00010282 # [ 69.166855] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 69.181034] RDX: ffff9c7bbacac660 RSI: ffff9c7bbac9bf70 RDI: ffff9c7bbac9bf70 # [ 69.189007] RBP: ffffffffa5d83a58 R08: 0000000000000000 R09: 0000000000000000 # [ 69.203186] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 69.211158] R13: ffffad7482e77f10 R14: ffffad7482e77f10 R15: ffff9c7b431a8000 # [ 69.225351] FS: 00007fd82f64a580(0000) GS:ffff9c7bbac80000(0000) knlGS:0000000000000000 # [ 69.234392] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 69.247017] CR2: 00007fd82f453000 CR3: 00000001034c4005 CR4: 00000000003706e0 # [ 69.254989] Call Trace: # [ 69.263929] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 69.276287] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 # [ 69.288826] direct_entry.cold+0x2c/0x38 # [ 69.293207] full_proxy_write+0x53/0x80 # [ 69.303696] vfs_write+0xe7/0x3a0 # [ 69.313613] ksys_write+0x68/0xf0 # [ 69.323528] do_syscall_64+0x30/0x40 # [ 69.333733] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 69.345587] RIP: 0033:0x7fd82f5608f3 # [ 69.355793] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 69.382988] RSP: 002b:00007ffc3eb8cf08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 69.391446] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fd82f5608f3 # [ 69.405624] RDX: 0000000000000020 RSI: 00007fd82f453000 RDI: 0000000000000001 # [ 69.413597] RBP: 00007fd82f453000 R08: 00007fd82f452010 R09: 0000000000000000 # [ 69.427777] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 69.435749] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 69.449949] irq event stamp: 0 # [ 69.459551] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 69.466555] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 69.481897] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 69.491035] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 69.504243] ---[ end trace 2b9f7943086e2a23 ]--- # [ 69.509398] lkdtm: Saturation detected: still saturated # REFCOUNT_INC_NOT_ZERO_SATURATED: saw 'call trace:': ok ok 55 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh # [ 69.641841] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 69.653609] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 69.661137] ------------[ cut here ]------------ # [ 69.666320] refcount_t: saturated; leaking memory. # [ 69.677898] WARNING: CPU: 2 PID: 2523 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 69.693528] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 69.719986] CPU: 2 PID: 2523 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 69.734839] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 69.741670] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 69.747506] Code: 01 01 e8 97 8b 95 00 0f 0b c3 cc cc cc cc 80 3d 86 2e 94 01 00 75 a8 48 c7 c7 c0 f6 d1 a5 c6 05 76 2e 94 01 01 e8 74 8b 95 00 <0f> 0b c3 cc cc cc cc 80 3d 60 2e 94 01 00 75 85 48 c7 c7 18 f7 d1 # [ 69.768486] RSP: 0018:ffffad7482ef7e38 EFLAGS: 00010282 # [ 69.774334] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 69.782343] RDX: ffff9c7bbad2c660 RSI: ffff9c7bbad1bf70 RDI: ffff9c7bbad1bf70 # [ 69.790307] RBP: ffffffffa5d83a78 R08: 0000000000000000 R09: 0000000000000000 # [ 69.798293] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 69.812478] R13: ffffad7482ef7f10 R14: ffffad7482ef7f10 R15: ffff9c7b43020000 # [ 69.820450] FS: 00007fdd5dd6f580(0000) GS:ffff9c7bbad00000(0000) knlGS:0000000000000000 # [ 69.829488] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 69.835905] CR2: 00007fdd5db78000 CR3: 0000000109494001 CR4: 00000000003706e0 # [ 69.843874] Call Trace: # [ 69.846603] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 69.852760] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 # [ 69.859103] direct_entry.cold+0x2c/0x38 # [ 69.863483] full_proxy_write+0x53/0x80 # [ 69.867766] vfs_write+0xe7/0x3a0 # [ 69.871465] ksys_write+0x68/0xf0 # [ 69.875166] do_syscall_64+0x30/0x40 # [ 69.879158] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 69.884798] RIP: 0033:0x7fdd5dc858f3 # [ 69.888787] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 69.909766] RSP: 002b:00007ffd493d9f48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 69.918225] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fdd5dc858f3 # [ 69.926196] RDX: 0000000000000020 RSI: 00007fdd5db78000 RDI: 0000000000000001 # [ 69.934166] RBP: 00007fdd5db78000 R08: 00007fdd5db77010 R09: 0000000000000000 # [ 69.942139] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 69.956326] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 69.970536] irq event stamp: 0 # [ 69.973957] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 69.987166] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 69.996344] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 70.005482] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 70.012483] ---[ end trace 2b9f7943086e2a24 ]--- # [ 70.017639] 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 # [ 70.144499] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 70.155496] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 70.162990] ------------[ cut here ]------------ # [ 70.168154] refcount_t: underflow; use-after-free. # [ 70.173535] WARNING: CPU: 3 PID: 2558 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 70.182971] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 70.215599] CPU: 3 PID: 2558 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 70.224275] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 70.237302] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 70.249356] Code: 01 01 e8 74 8b 95 00 0f 0b c3 cc cc cc cc 80 3d 60 2e 94 01 00 75 85 48 c7 c7 18 f7 d1 a5 c6 05 50 2e 94 01 01 e8 51 8b 95 00 <0f> 0b c3 cc cc cc cc 80 3d 3b 2e 94 01 00 0f 85 5e ff ff ff 48 c7 # [ 70.270346] RSP: 0018:ffffad7482f97e40 EFLAGS: 00010286 # [ 70.276187] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 # [ 70.284188] RDX: ffff9c7bbadac660 RSI: ffff9c7bbad9bf70 RDI: ffff9c7bbad9bf70 # [ 70.298373] RBP: ffffffffa5d83a98 R08: 0000000000000000 R09: 0000000000000000 # [ 70.306343] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 70.314313] R13: ffffad7482f97f10 R14: ffffad7482f97f10 R15: ffff9c7b49442000 # [ 70.322304] FS: 00007fb41def2580(0000) GS:ffff9c7bbad80000(0000) knlGS:0000000000000000 # [ 70.331346] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 70.337764] CR2: 00007fb41dcfb000 CR3: 0000000108d6a002 CR4: 00000000003706e0 # [ 70.345736] Call Trace: # [ 70.348468] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 70.354595] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 # [ 70.360917] direct_entry.cold+0x2c/0x38 # [ 70.365337] full_proxy_write+0x53/0x80 # [ 70.369652] vfs_write+0xe7/0x3a0 # [ 70.373391] ksys_write+0x68/0xf0 # [ 70.377091] do_syscall_64+0x30/0x40 # [ 70.381107] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 70.386747] RIP: 0033:0x7fb41de088f3 # [ 70.390737] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 70.411720] RSP: 002b:00007ffe0db22ed8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 70.420175] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fb41de088f3 # [ 70.428146] RDX: 0000000000000020 RSI: 00007fb41dcfb000 RDI: 0000000000000001 # [ 70.436116] RBP: 00007fb41dcfb000 R08: 00007fb41dcfa010 R09: 0000000000000000 # [ 70.444087] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 70.452057] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 70.460031] irq event stamp: 0 # [ 70.463459] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 70.470458] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 70.479595] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 70.488729] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 70.495730] ---[ end trace 2b9f7943086e2a25 ]--- # [ 70.507097] lkdtm: Saturation detected: still saturated # REFCOUNT_DEC_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok ok 57 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh # [ 70.645070] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 70.657367] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 70.671071] ------------[ cut here ]------------ # [ 70.682439] refcount_t: underflow; use-after-free. # [ 70.687820] WARNING: CPU: 1 PID: 2593 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 70.703430] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 70.736068] CPU: 1 PID: 2593 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 70.750932] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 70.757740] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 70.769783] Code: 01 01 e8 74 8b 95 00 0f 0b c3 cc cc cc cc 80 3d 60 2e 94 01 00 75 85 48 c7 c7 18 f7 d1 a5 c6 05 50 2e 94 01 01 e8 51 8b 95 00 <0f> 0b c3 cc cc cc cc 80 3d 3b 2e 94 01 00 0f 85 5e ff ff ff 48 c7 # [ 70.796985] RSP: 0018:ffffad748305fe40 EFLAGS: 00010286 # [ 70.809035] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 # [ 70.823218] RDX: ffff9c7bbacac660 RSI: ffff9c7bbac9bf70 RDI: ffff9c7bbac9bf70 # [ 70.831191] RBP: ffffffffa5d83ab8 R08: 0000000000000000 R09: 0000000000000000 # [ 70.845396] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 70.859560] R13: ffffad748305ff10 R14: ffffad748305ff10 R15: ffff9c7b44f23000 # [ 70.873742] FS: 00007f913eef0580(0000) GS:ffff9c7bbac80000(0000) knlGS:0000000000000000 # [ 70.882781] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 70.895407] CR2: 00007f913ecf9000 CR3: 0000000104e92006 CR4: 00000000003706e0 # [ 70.903378] Call Trace: # [ 70.912334] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 70.924677] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 # [ 70.937213] direct_entry.cold+0x2c/0x38 # [ 70.947830] full_proxy_write+0x53/0x80 # [ 70.958338] vfs_write+0xe7/0x3a0 # [ 70.968297] ksys_write+0x68/0xf0 # [ 70.972001] do_syscall_64+0x30/0x40 # [ 70.982200] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 70.994051] RIP: 0033:0x7f913ee068f3 # [ 70.998066] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 71.019721] RSP: 002b:00007ffde05c7938 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 71.028372] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f913ee068f3 # [ 71.036345] RDX: 0000000000000020 RSI: 00007f913ecf9000 RDI: 0000000000000001 # [ 71.048784] RBP: 00007f913ecf9000 R08: 00007f913ecf8010 R09: 0000000000000000 # [ 71.056755] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 71.070938] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 71.080470] irq event stamp: 0 # [ 71.083887] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 71.094871] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 71.104013] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 71.113351] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 71.120353] ---[ end trace 2b9f7943086e2a26 ]--- # [ 71.125509] lkdtm: Saturation detected: still saturated # REFCOUNT_SUB_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok ok 58 selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh # selftests: lkdtm: REFCOUNT_TIMING.sh # Skipping REFCOUNT_TIMING: timing only ok 59 selftests: lkdtm: REFCOUNT_TIMING.sh # SKIP # selftests: lkdtm: ATOMIC_TIMING.sh # Skipping ATOMIC_TIMING: timing only ok 60 selftests: lkdtm: ATOMIC_TIMING.sh # SKIP # selftests: lkdtm: USERCOPY_HEAP_SIZE_TO.sh # [ 71.303945] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 71.312104] lkdtm: attempting good copy_to_user of correct size # [ 71.318731] lkdtm: attempting bad copy_to_user of too large size # USERCOPY_HEAP_SIZE_TO: missing 'call trace:': [FAIL] not ok 61 selftests: lkdtm: USERCOPY_HEAP_SIZE_TO.sh # exit=1 # selftests: lkdtm: USERCOPY_HEAP_SIZE_FROM.sh # [ 71.443598] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 71.456778] lkdtm: attempting good copy_from_user of correct size # [ 71.469771] lkdtm: attempting bad copy_from_user of too large size # USERCOPY_HEAP_SIZE_FROM: missing 'call trace:': [FAIL] not ok 62 selftests: lkdtm: USERCOPY_HEAP_SIZE_FROM.sh # exit=1 # selftests: lkdtm: USERCOPY_HEAP_WHITELIST_TO.sh # [ 71.600378] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 71.608109] lkdtm: attempting good copy_to_user inside whitelist # [ 71.614841] lkdtm: attempting bad copy_to_user outside whitelist # USERCOPY_HEAP_WHITELIST_TO: missing 'call trace:': [FAIL] not ok 63 selftests: lkdtm: USERCOPY_HEAP_WHITELIST_TO.sh # exit=1 # selftests: lkdtm: USERCOPY_HEAP_WHITELIST_FROM.sh # [ 71.740847] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 71.753333] lkdtm: attempting good copy_from_user inside whitelist # [ 71.766461] lkdtm: attempting bad copy_from_user outside whitelist # USERCOPY_HEAP_WHITELIST_FROM: missing 'call trace:': [FAIL] not ok 64 selftests: lkdtm: USERCOPY_HEAP_WHITELIST_FROM.sh # exit=1 # selftests: lkdtm: USERCOPY_STACK_FRAME_TO.sh # [ 71.901937] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 71.910817] lkdtm: good_stack: ffffad748339fe20-ffffad748339fe40 # [ 71.917586] lkdtm: bad_stack : ffffad748339fda8-ffffad748339fdc8 # [ 71.924365] lkdtm: attempting good copy_to_user of local stack # [ 71.937052] lkdtm: attempting bad copy_to_user of distant stack # USERCOPY_STACK_FRAME_TO: missing 'call trace:': [FAIL] not ok 65 selftests: lkdtm: USERCOPY_STACK_FRAME_TO.sh # exit=1 # selftests: lkdtm: USERCOPY_STACK_FRAME_FROM.sh # [ 72.058966] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 72.069044] lkdtm: good_stack: ffffad748340fe20-ffffad748340fe40 # [ 72.081974] lkdtm: bad_stack : ffffad748340fda8-ffffad748340fdc8 # [ 72.094933] lkdtm: attempting good copy_from_user of local stack # [ 72.107894] lkdtm: attempting bad copy_from_user of distant stack # USERCOPY_STACK_FRAME_FROM: missing 'call trace:': [FAIL] not ok 66 selftests: lkdtm: USERCOPY_STACK_FRAME_FROM.sh # exit=1 # selftests: lkdtm: USERCOPY_STACK_BEYOND.sh # [ 72.242772] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 72.251929] lkdtm: good_stack: ffffad74834d7e20-ffffad74834d7e40 # [ 72.258660] lkdtm: bad_stack : ffffad74834d7ff8-ffffad74834d8018 # [ 72.265402] lkdtm: attempting good copy_to_user of local stack # [ 72.271936] lkdtm: attempting bad copy_to_user of distant stack # [ 72.278566] lkdtm: copy_to_user failed, but lacked Oops # USERCOPY_STACK_BEYOND: missing 'call trace:': [FAIL] not ok 67 selftests: lkdtm: USERCOPY_STACK_BEYOND.sh # exit=1 # selftests: lkdtm: USERCOPY_KERNEL.sh # [ 72.404605] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 72.414890] lkdtm: attempting good copy_to_user from kernel rodata: ffffffffa599c210 # [ 72.423573] lkdtm: attempting bad copy_to_user from kernel text: ffffffffa46e31f0 # [ 72.431940] lkdtm: FAIL: survived bad copy_to_user() # USERCOPY_KERNEL: missing 'call trace:': [FAIL] not ok 68 selftests: lkdtm: USERCOPY_KERNEL.sh # exit=1 # selftests: lkdtm: STACKLEAK_ERASING.sh # [ 72.563302] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 72.574365] lkdtm: checking unused part of the thread stack (15928 bytes)... # [ 72.588480] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) # [ 72.602465] lkdtm: FAIL: the thread stack is NOT properly erased # [ 72.615424] CPU: 0 PID: 2958 Comm: cat Tainted: G D W 5.10.153-cip19 #1 # [ 72.630226] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 72.637028] Call Trace: # [ 72.639760] dump_stack+0x77/0x9b # [ 72.643463] lkdtm_STACKLEAK_ERASING+0x116/0x144 # [ 72.648617] direct_entry.cold+0x2c/0x38 # [ 72.653001] full_proxy_write+0x53/0x80 # [ 72.657288] vfs_write+0xe7/0x3a0 # [ 72.660992] ksys_write+0x68/0xf0 # [ 72.664683] do_syscall_64+0x30/0x40 # [ 72.668679] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 72.674320] RIP: 0033:0x7f0d2e85f8f3 # [ 72.678309] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 72.699292] RSP: 002b:00007fffb8ef4b18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 72.707741] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f0d2e85f8f3 # [ 72.715710] RDX: 0000000000000012 RSI: 00007f0d2e752000 RDI: 0000000000000001 # [ 72.723679] RBP: 00007f0d2e752000 R08: 00007f0d2e751010 R09: 0000000000000000 # [ 72.731648] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 72.739618] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # STACKLEAK_ERASING: missing 'OK: the rest of the thread stack is properly erased': [FAIL] not ok 69 selftests: lkdtm: STACKLEAK_ERASING.sh # exit=1 # selftests: lkdtm: CFI_FORWARD_PROTO.sh # [ 72.873004] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 72.884466] lkdtm: Calling matched prototype ... # [ 72.889661] lkdtm: Calling mismatched prototype ... # [ 72.895121] 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 / #