[Enter `^Ec?' for help] coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 bootblock starting... CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz CPU: ID 806e9, Kabylake H0, ucode: 00000097 CPU: AES supported, TXT NOT supported, VT supported MCH: device id 590c (rev 02) is Kabylake-Y PCH: device id 9d4b (rev 21) is Kabylake-Y iHDCP 2.2 Premium IGD: device id 591c (rev 02) is Amberlake ULX GT2 VBOOT: Loading verstage. CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/verstage' CBFS: Found @ offset 1a0a80 size f47c coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 verstage starting... Probing TPM: .Timeout wait for TPM IRQ! .Timeout wait for TPM IRQ! . done! TPM ready after 0 ms Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_A:0.5.6/cr50_v1.9308_87_mp.510-d2da4373 Initialized TPM device CR50 revision 0 tlcl_send_startup: Startup return code is 0 TPM: setup succeeded src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x1007 return code 0 Chrome EC: UHEPI supported Phase 1 FMAP: Found \"FLASH\" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area GBB found @ c11000 (978944 bytes) VB2:vb2_check_recovery() Recovery reason from previous boot: 0x0 / 0x0 Phase 2 Phase 3 FMAP: area GBB found @ c11000 (978944 bytes) VB2:vb2_report_dev_firmware() This is developer signed firmware FMAP: area VBLOCK_A found @ 200000 (65536 bytes) FMAP: area VBLOCK_A found @ 200000 (65536 bytes) VB2:vb2_verify_keyblock() Checking key block signature... FMAP: area VBLOCK_A found @ 200000 (65536 bytes) FMAP: area VBLOCK_A found @ 200000 (65536 bytes) VB2:vb2_verify_fw_preamble() Verifying preamble. Phase 4 FMAP: area FW_MAIN_A found @ 210000 (4030400 bytes) VB2:vb2api_init_hash() HW crypto for hash_alg 2 not supported, using SW VB2:vb2_rsa_verify_digest() Digest check failed! VB2:vb2_fail() Need recovery, reason: 0x1b / 0x7 Saving nvdata Reboot requested (10020007) board_reset() called! full_reset() called! coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 bootblock starting... CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz CPU: ID 806e9, Kabylake H0, ucode: 00000097 CPU: AES supported, TXT NOT supported, VT supported MCH: device id 590c (rev 02) is Kabylake-Y PCH: device id 9d4b (rev 21) is Kabylake-Y iHDCP 2.2 Premium IGD: device id 591c (rev 02) is Amberlake ULX GT2 VBOOT: Loading verstage. CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/verstage' CBFS: Found @ offset 1a0a80 size f47c coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 verstage starting... Probing TPM: . done! TPM ready after 0 ms Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_A:0.5.6/cr50_v1.9308_87_mp.510-d2da4373 Initialized TPM device CR50 revision 0 tlcl_send_startup: Startup return code is 0 TPM: setup succeeded src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x1007 return code 0 Chrome EC: UHEPI supported Phase 1 FMAP: Found \"FLASH\" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area GBB found @ c11000 (978944 bytes) VB2:vb2_check_recovery() Recovery reason from previous boot: 0x1b / 0x7 VB2:vb2_check_recovery() We have a recovery request: 0x1b / 0x0 Recovery requested (1009000e) Saving nvdata tlcl_extend: response is 0 tlcl_extend: response is 0 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/romstage' CBFS: Found @ offset 80 size 10ffc coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 romstage starting... pm1_sts: 0100 pm1_en: 0000 pm1_cnt: 00001c00 gpe0_sts[0]: 00000000 gpe0_en[0]: 00000000 gpe0_sts[1]: 00000000 gpe0_en[1]: 00000000 gpe0_sts[2]: 00000001 gpe0_en[2]: 00000000 gpe0_sts[3]: 00000000 gpe0_en[3]: 00010000 TCO_STS: 0000 0000 GEN_PMCON: e0040200 0000523a GBLRST_CAUSE: 00000000 00000000 prev_sleep_state 5 Boot Count incremented to 29693 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fspm.bin' CBFS: Found @ offset 103fc0 size 63000 Chrome EC: UHEPI supported FMAP: Found \"FLASH\" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area RECOVERY_MRC_CACHE found @ 9d0000 (65536 bytes) Probing TPM: done! Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_A:0.5.6/cr50_v1.9308_87_mp.510-d2da4373 Initialized TPM device CR50 revision 0 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 MRC: Hash comparison successful. Using data from RECOVERY_MRC_CACHE MRC cache found, size 1868 bootmode is set to :2 SPD index 1 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'spd.bin' CBFS: Found @ offset 1a0240 size 800 SPD: module type is LPDDR3 SPD: module part is K4E8E324EB-EGCF SPD: banks 8, ranks 1, rows 15, columns 10, density 8192 Mb SPD: device width 32 bits, bus width 64 bits SPD: module size is 2048 MB (per channel) CBMEM: IMD: root @ 7afff000 254 entries. IMD: root @ 7affec00 62 entries. External stage cache: IMD: root @ 7b3ff000 254 entries. IMD: root @ 7b3fec00 62 entries. creating vboot_handoff structure Chrome EC: clear events_b mask to 0x0000000021004000 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 tlcl_write: response is 0 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 MRC: TPM MRC hash updated successfully. 2 DIMMs found top_of_ram = 0x7b000000 MTRR Range: Start=7a000000 End=7b000000 (Size 1000000) MTRR Range: Start=7b000000 End=7b800000 (Size 800000) MTRR Range: Start=ff000000 End=0 (Size 1000000) CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/postcar' CBFS: Found @ offset 197000 size 3f04 Decompressing stage fallback/postcar @ 0x7abd0fc0 (32720 bytes) Loading module at 7abd1000 with entry 7abd1000. filesize: 0x3cd0 memsize: 0x7f90 Processing 118 relocs. Offset value of 0x78bd1000 coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 postcar starting... CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/ramstage' CBFS: Found @ offset e8d80 size 1a462 Decompressing stage fallback/ramstage @ 0x7ab05fc0 (826808 bytes) Loading module at 7ab06000 with entry 7ab06000. filesize: 0x38d90 memsize: 0xc9d78 Processing 3657 relocs. Offset value of 0x79d06000 coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 ramstage starting... FMAP: Found \"FLASH\" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area RO_VPD found @ c00000 (16384 bytes) WARNING: RO_VPD is uninitialized or empty. FMAP: area RW_VPD found @ 9f8000 (8192 bytes) WARNING: RW_VPD is uninitialized or empty. Normal boot. BS: BS_PRE_DEVICE times (us): entry 0 run 30 exit 0 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'cpu_microcode_blob.bin' CBFS: Found @ offset 11100 size d7c00 microcode: sig=0x806e9 pf=0x10 revision=0x97 Skip microcode update CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fsps.bin' CBFS: Found @ offset 167fc0 size 2f000 Detected 2 core, 4 thread CPU. Setting up SMI for CPU IED base = 0x7b400000 IED size = 0x00400000 Will perform SMM setup. CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz. Loading module at 00030000 with entry 00030000. filesize: 0x170 memsize: 0x170 Processing 16 relocs. Offset value of 0x00030000 Attempting to start 3 APs Waiting for 10ms after sending INIT. Waiting for 1st SIPI to complete...done. AP: slot 3 apic_id 2. AP: slot 1 apic_id 3. AP: slot 2 apic_id 1. Waiting for 2nd SIPI to complete...done. Loading module at 00038000 with entry 00038000. filesize: 0x1a8 memsize: 0x1a8 Processing 13 relocs. Offset value of 0x00038000 SMM Module: stub loaded at 00038000. Will call 7ab21603(00000000) Installing SMM handler to 0x7b000000 Loading module at 7b010000 with entry 7b010a19. filesize: 0x3b08 memsize: 0x8bc0 Processing 243 relocs. Offset value of 0x7b010000 Loading module at 7b008000 with entry 7b008000. filesize: 0x1a8 memsize: 0x1a8 Processing 13 relocs. Offset value of 0x7b008000 SMM Module: placing jmp sequence at 7b007c00 rel16 0x03fd SMM Module: placing jmp sequence at 7b007800 rel16 0x07fd SMM Module: placing jmp sequence at 7b007400 rel16 0x0bfd SMM Module: stub loaded at 7b008000. Will call 7b010a19(00000000) Clearing SMI status registers SMI_STS: PM1 PM1_STS: PWRBTN TCO_STS: BOOT SECOND_TO New SMBASE 0x7b000000 In relocation handler: CPU 0 New SMBASE=0x7b000000 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afff800 In relocation handler: CPU 2 New SMBASE=0x7afff800 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. 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 #2 Initializing CPU #1 Initializing CPU #3 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC...CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 apic_id: 0x03 done. Setting up local APIC...Setting up local APIC... apic_id: 0x02 done. Skip microcode update Skip microcode update CPU #1 initialized CPU #3 initialized apic_id: 0x01 done. Skip microcode update CPU #2 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 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' SGX: pre-conditions not met 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 373505 run 172939 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: 03: enabled 1 APIC: 01: enabled 1 APIC: 02: enabled 1 Compare with tree... Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 APIC: 00: enabled 1 APIC: 03: enabled 1 APIC: 01: enabled 1 APIC: 02: enabled 1 DOMAIN: 0000: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 USB0 port 0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 I2C: 00:5c: enabled 1 PCI: 00:15.1: enabled 1 I2C: 00:15: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 I2C: 00:39: enabled 1 I2C: 00:3a: enabled 1 I2C: 00:1a: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 SPI: 00: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PNP: 0c09.0: enabled 1 PCI: 00:1f.1: enabled 1 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 Root Device scanning... root_dev_scan_bus for Root Device CPU_CLUSTER: 0 enabled DOMAIN: 0000 enabled DOMAIN: 0000 scanning... PCI: pci_scan_bus for bus 00 PCI: 00:00.0 [8086/0000] ops PCI: 00:00.0 [8086/590c] enabled PCI: 00:02.0 [8086/0000] ops PCI: 00:02.0 [8086/591c] enabled PCI: 00:04.0 [8086/1903] enabled PCI: 00:08.0 [8086/1911] enabled PCI: 00:14.0 [8086/0000] bus ops PCI: 00:14.0 [8086/9d2f] enabled PCI: 00:14.2 [8086/9d31] enabled PCI: 00:15.0 [8086/0000] bus ops PCI: 00:15.0 [8086/9d60] enabled PCI: 00:15.1 [8086/0000] bus ops PCI: 00:15.1 [8086/9d61] enabled PCI: 00:16.0 [8086/0000] ops PCI: 00:16.0 [8086/9d3a] enabled PCI: 00:19.0 [8086/0000] ops PCI: 00:19.0 [8086/9d66] enabled PCI: 00:19.1 [8086/0000] bus ops PCI: 00:19.1 [8086/9d65] enabled PCI: 00:1c.0 [8086/0000] bus ops PCI: 00:1c.0 [8086/9d10] enabled PCI: 00:1e.0 [8086/0000] ops PCI: 00:1e.0 [8086/9d27] enabled PCI: 00:1e.2 [8086/0000] bus ops PCI: 00:1e.2 [8086/9d29] enabled PCI: 00:1e.4 [8086/9d2b] enabled PCI: 00:1e.6 [8086/0000] ops PCI: 00:1e.6 [8086/9d2d] enabled PCI: 00:1f.0 [8086/0000] bus ops PCI: 00:1f.0 [8086/9d4b] enabled PCI: Static device PCI: 00:1f.1 not found, disabling it. PCI: 00:1f.2 [8086/0000] bus ops PCI: 00:1f.2 [8086/9d21] enabled PCI: 00:1f.3 [8086/0000] bus ops PCI: 00:1f.3 [8086/9d71] enabled PCI: 00:1f.4 [8086/0000] bus ops PCI: 00:1f.4 [8086/9d23] enabled PCI: 00:1f.5 [8086/0000] bus ops PCI: 00:1f.5 [8086/9d24] enabled PCI: 00:14.0 scanning... scan_usb_bus for PCI: 00:14.0 USB0 port 0 enabled USB0 port 0 scanning... scan_usb_bus for USB0 port 0 USB2 port 0 enabled USB2 port 1 enabled USB2 port 2 enabled USB2 port 4 enabled USB2 port 8 enabled USB2 port 0 scanning... scan_usb_bus for USB2 port 0 scan_usb_bus for USB2 port 0 done scan_bus: scanning of bus USB2 port 0 took 8977 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 8975 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 8973 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 8976 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 8976 usecs scan_usb_bus for USB0 port 0 done scan_bus: scanning of bus USB0 port 0 took 90982 usecs scan_usb_bus for PCI: 00:14.0 done scan_bus: scanning of bus PCI: 00:14.0 took 107778 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 14151 usecs PCI: 00:15.1 scanning... scan_generic_bus for PCI: 00:15.1 bus: PCI: 00:15.1[0]->I2C: 02:15 enabled scan_generic_bus for PCI: 00:15.1 done scan_bus: scanning of bus PCI: 00:15.1 took 14151 usecs PCI: 00:19.1 scanning... scan_generic_bus for PCI: 00:19.1 bus: PCI: 00:19.1[0]->I2C: 03:39 enabled bus: PCI: 00:19.1[0]->I2C: 03:3a enabled bus: PCI: 00:19.1[0]->I2C: 03:1a enabled scan_generic_bus for PCI: 00:19.1 done scan_bus: scanning of bus PCI: 00:19.1 took 22364 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 53524 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 13859 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 11320 usecs PCI: 00:1f.2 scanning... scan_lpc_bus for PCI: 00:1f.2 scan_lpc_bus for PCI: 00:1f.2 done scan_bus: scanning of bus PCI: 00:1f.2 took 9266 usecs PCI: 00:1f.3 scanning... scan_bus: scanning of bus PCI: 00:1f.3 took 2716 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 10044 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 10048 usecs scan_bus: scanning of bus DOMAIN: 0000 took 466093 usecs root_dev_scan_bus for Root Device done scan_bus: scanning of bus Root Device took 486206 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 826049 exit 39237 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: 03 APIC: 01 APIC: 02 DOMAIN: 0000 child on link 0 PCI: 00:00.0 DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffff flags 40040100 index 10000000 DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffffffff flags 40040200 index 10000100 PCI: 00:00.0 PCI: 00:00.0 resource base e0000000 size 4000000 align 0 gran 0 limit 0 flags f0000200 index 0 PCI: 00:00.0 resource base fed10000 size 8000 align 0 gran 0 limit 0 flags f0000200 index 1 PCI: 00:00.0 resource base fed18000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 2 PCI: 00:00.0 resource base fed19000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 3 PCI: 00:00.0 resource base fed84000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 4 PCI: 00:00.0 resource base fed80000 size 4000 align 0 gran 0 limit 0 flags f0000200 index 5 PCI: 00:00.0 resource base fed90000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 6 PCI: 00:00.0 resource base fed91000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 7 PCI: 00:00.0 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 8 PCI: 00:00.0 resource base c0000 size 7af40000 align 0 gran 0 limit 0 flags e0004200 index 9 PCI: 00:00.0 resource base 7b000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index b PCI: 00:00.0 resource base 7b800000 size 4800000 align 0 gran 0 limit 0 flags f0000200 index c PCI: 00:00.0 resource base 100000000 size 7f000000 align 0 gran 0 limit 0 flags e0004200 index d PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index e PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index f PCI: 00:02.0 PCI: 00:02.0 resource base 0 size 1000000 align 24 gran 24 limit ffffffffffffffff flags 201 index 10 PCI: 00:02.0 resource base 0 size 10000000 align 28 gran 28 limit ffffffffffffffff flags 1201 index 18 PCI: 00:02.0 resource base 0 size 40 align 6 gran 6 limit ffff flags 100 index 20 PCI: 00:04.0 PCI: 00:04.0 resource base 0 size 8000 align 15 gran 15 limit ffffffffffffffff flags 201 index 10 PCI: 00:08.0 PCI: 00:08.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:14.0 child on link 0 USB0 port 0 PCI: 00:14.0 resource base 0 size 10000 align 16 gran 16 limit ffffffffffffffff flags 201 index 10 USB0 port 0 child on link 0 USB2 port 0 USB2 port 0 USB2 port 1 USB2 port 2 USB2 port 4 USB2 port 8 PCI: 00:14.1 PCI: 00:14.2 PCI: 00:14.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:15.0 child on link 0 I2C: 01:5c PCI: 00:15.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 01:5c PCI: 00:15.1 child on link 0 I2C: 02:15 PCI: 00:15.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 02:15 PCI: 00:15.2 PCI: 00:15.3 PCI: 00:16.0 PCI: 00:16.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:16.1 PCI: 00:16.2 PCI: 00:16.3 PCI: 00:16.4 PCI: 00:17.0 PCI: 00:19.0 PCI: 00:19.0 resource base fe034000 size 1000 align 12 gran 12 limit ffffffffffffffff flags c0000200 index 10 PCI: 00:19.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 PCI: 00:19.1 child on link 0 I2C: 03:39 PCI: 00:19.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 03:39 I2C: 03:3a I2C: 03:1a PCI: 00:19.2 PCI: 00:1c.0 child on link 0 PCI: 01:00.0 PCI: 00:1c.0 resource base 0 size 0 align 12 gran 12 limit ffff flags 80102 index 1c PCI: 00:1c.0 resource base 0 size 0 align 20 gran 20 limit ffffffffffffffff flags 81202 index 24 PCI: 00:1c.0 resource base 0 size 0 align 20 gran 20 limit ffffffff flags 80202 index 20 PCI: 01:00.0 PCI: 01:00.0 resource base 0 size 2000 align 13 gran 13 limit ffffffffffffffff flags 201 index 10 PCI: 00:1c.1 PCI: 00:1c.2 PCI: 00:1c.3 PCI: 00:1c.4 PCI: 00:1c.5 PCI: 00:1c.6 PCI: 00:1c.7 PCI: 00:1d.0 PCI: 00:1d.1 PCI: 00:1d.2 PCI: 00:1d.3 PCI: 00:1e.0 PCI: 00:1e.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1e.1 PCI: 00:1e.2 child on link 0 SPI: 00 PCI: 00:1e.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 SPI: 00 PCI: 00:1e.3 PCI: 00:1e.4 PCI: 00:1e.4 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1e.5 PCI: 00:1e.6 PCI: 00:1e.6 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.0 child on link 0 PNP: 0c09.0 PCI: 00:1f.0 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0000100 index 0 PNP: 0c09.0 PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0 PCI: 00:1f.1 PCI: 00:1f.2 PCI: 00:1f.2 resource base 0 size 4000 align 14 gran 14 limit ffffffff flags 200 index 10 PCI: 00:1f.2 resource base fe000000 size 10000 align 0 gran 0 limit 0 flags d0000200 index 48 PCI: 00:1f.2 resource base 1800 size 100 align 0 gran 0 limit 0 flags c0000100 index 40 PCI: 00:1f.3 PCI: 00:1f.3 resource base 0 size 4000 align 14 gran 14 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.3 resource base 0 size 10000 align 16 gran 16 limit ffffffffffffffff flags 201 index 20 PCI: 00:1f.4 PCI: 00:1f.4 resource base efa0 size 20 align 0 gran 0 limit efbf flags f0000100 index 20 PCI: 00:1f.4 resource base 0 size 100 align 12 gran 8 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.5 PCI: 00:1f.5 resource base 0 size 1000 align 12 gran 12 limit ffffffff flags 200 index 10 PCI: 00:1f.6 DOMAIN: 0000 io: base: 0 size: 0 align: 0 gran: 0 limit: ffff PCI: 00:1c.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff PCI: 00:1c.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff done PCI: 00:02.0 20 * [0x0 - 0x3f] io DOMAIN: 0000 io: base: 40 size: 40 align: 6 gran: 0 limit: ffff done DOMAIN: 0000 mem: base: 0 size: 0 align: 0 gran: 0 limit: ffffffff PCI: 00:1c.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff PCI: 00:1c.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff done PCI: 00:1c.0 mem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffff PCI: 01:00.0 10 * [0x0 - 0x1fff] mem PCI: 00:1c.0 mem: base: 2000 size: 100000 align: 20 gran: 20 limit: ffffffff done PCI: 00:02.0 18 * [0x0 - 0xfffffff] prefmem PCI: 00:02.0 10 * [0x10000000 - 0x10ffffff] mem PCI: 00:1c.0 20 * [0x11000000 - 0x110fffff] mem PCI: 00:14.0 10 * [0x11100000 - 0x1110ffff] mem PCI: 00:1f.3 20 * [0x11110000 - 0x1111ffff] mem PCI: 00:04.0 10 * [0x11120000 - 0x11127fff] mem PCI: 00:1f.2 10 * [0x11128000 - 0x1112bfff] mem PCI: 00:1f.3 10 * [0x1112c000 - 0x1112ffff] mem PCI: 00:08.0 10 * [0x11130000 - 0x11130fff] mem PCI: 00:14.2 10 * [0x11131000 - 0x11131fff] mem PCI: 00:15.0 10 * [0x11132000 - 0x11132fff] mem PCI: 00:15.1 10 * [0x11133000 - 0x11133fff] mem PCI: 00:16.0 10 * [0x11134000 - 0x11134fff] mem PCI: 00:19.0 18 * [0x11135000 - 0x11135fff] mem PCI: 00:19.1 10 * [0x11136000 - 0x11136fff] mem PCI: 00:1e.0 10 * [0x11137000 - 0x11137fff] mem PCI: 00:1e.2 10 * [0x11138000 - 0x11138fff] mem PCI: 00:1e.4 10 * [0x11139000 - 0x11139fff] mem PCI: 00:1e.6 10 * [0x1113a000 - 0x1113afff] mem PCI: 00:1f.5 10 * [0x1113b000 - 0x1113bfff] mem PCI: 00:1f.4 10 * [0x1113c000 - 0x1113c0ff] mem DOMAIN: 0000 mem: base: 1113c100 size: 1113c100 align: 28 gran: 0 limit: ffffffff done avoid_fixed_resources: DOMAIN: 0000 avoid_fixed_resources:@DOMAIN: 0000 10000000 limit 0000ffff avoid_fixed_resources:@DOMAIN: 0000 10000100 limit ffffffff constrain_resources: PCI: 00:00.0 00 base e0000000 limit e3ffffff mem (fixed) constrain_resources: PCI: 00:00.0 08 base 00000000 limit 0009ffff mem (fixed) constrain_resources: PCI: 00:00.0 09 base 000c0000 limit 7affffff mem (fixed) constrain_resources: PCI: 00:00.0 0b base 7b000000 limit 7b7fffff mem (fixed) constrain_resources: PCI: 00:00.0 0c base 7b800000 limit 7fffffff mem (fixed) constrain_resources: PCI: 00:1f.0 00 base 00000000 limit 00000fff io (fixed) constrain_resources: PCI: 00:1f.2 40 base 00001800 limit 000018ff io (fixed) constrain_resources: PCI: 00:1f.4 20 base 0000efa0 limit 0000efbf io (fixed) avoid_fixed_resources:@DOMAIN: 0000 10000000 base 00001900 limit 0000ef9f avoid_fixed_resources:@DOMAIN: 0000 10000100 base c0000000 limit dfffffff Setting resources... DOMAIN: 0000 io: base:1900 size:40 align:6 gran:0 limit:ef9f PCI: 00:02.0 20 * [0x1c00 - 0x1c3f] io DOMAIN: 0000 io: next_base: 1c40 size: 40 align: 6 gran: 0 done PCI: 00:1c.0 io: base:ef9f size:0 align:12 gran:12 limit:ef9f PCI: 00:1c.0 io: next_base: ef9f size: 0 align: 12 gran: 12 done DOMAIN: 0000 mem: base:c0000000 size:1113c100 align:28 gran:0 limit:dfffffff PCI: 00:02.0 18 * [0xc0000000 - 0xcfffffff] prefmem PCI: 00:02.0 10 * [0xd0000000 - 0xd0ffffff] mem PCI: 00:1c.0 20 * [0xd1000000 - 0xd10fffff] mem PCI: 00:14.0 10 * [0xd1100000 - 0xd110ffff] mem PCI: 00:1f.3 20 * [0xd1110000 - 0xd111ffff] mem PCI: 00:04.0 10 * [0xd1120000 - 0xd1127fff] mem PCI: 00:1f.2 10 * [0xd1128000 - 0xd112bfff] mem PCI: 00:1f.3 10 * [0xd112c000 - 0xd112ffff] mem PCI: 00:08.0 10 * [0xd1130000 - 0xd1130fff] mem PCI: 00:14.2 10 * [0xd1131000 - 0xd1131fff] mem PCI: 00:15.0 10 * [0xd1132000 - 0xd1132fff] mem PCI: 00:15.1 10 * [0xd1133000 - 0xd1133fff] mem PCI: 00:16.0 10 * [0xd1134000 - 0xd1134fff] mem PCI: 00:19.0 18 * [0xd1135000 - 0xd1135fff] mem PCI: 00:19.1 10 * [0xd1136000 - 0xd1136fff] mem PCI: 00:1e.0 10 * [0xd1137000 - 0xd1137fff] mem PCI: 00:1e.2 10 * [0xd1138000 - 0xd1138fff] mem PCI: 00:1e.4 10 * [0xd1139000 - 0xd1139fff] mem PCI: 00:1e.6 10 * [0xd113a000 - 0xd113afff] mem PCI: 00:1f.5 10 * [0xd113b000 - 0xd113bfff] mem PCI: 00:1f.4 10 * [0xd113c000 - 0xd113c0ff] mem DOMAIN: 0000 mem: next_base: d113c100 size: 1113c100 align: 28 gran: 0 done PCI: 00:1c.0 prefmem: base:dfffffff size:0 align:20 gran:20 limit:dfffffff PCI: 00:1c.0 prefmem: next_base: dfffffff size: 0 align: 20 gran: 20 done PCI: 00:1c.0 mem: base:d1000000 size:100000 align:20 gran:20 limit:d10fffff PCI: 01:00.0 10 * [0xd1000000 - 0xd1001fff] mem PCI: 00:1c.0 mem: next_base: d1002000 size: 100000 align: 20 gran: 20 done Root Device assign_resources, bus 0 link: 0 DOMAIN: 0000 assign_resources, bus 0 link: 0 PCI: 00:02.0 10 <- [0x00d0000000 - 0x00d0ffffff] size 0x01000000 gran 0x18 mem64 PCI: 00:02.0 18 <- [0x00c0000000 - 0x00cfffffff] size 0x10000000 gran 0x1c prefmem64 PCI: 00:02.0 20 <- [0x0000001c00 - 0x0000001c3f] size 0x00000040 gran 0x06 io PCI: 00:04.0 10 <- [0x00d1120000 - 0x00d1127fff] size 0x00008000 gran 0x0f mem64 PCI: 00:08.0 10 <- [0x00d1130000 - 0x00d1130fff] size 0x00001000 gran 0x0c mem64 PCI: 00:14.0 10 <- [0x00d1100000 - 0x00d110ffff] size 0x00010000 gran 0x10 mem64 PCI: 00:14.0 assign_resources, bus 0 link: 0 PCI: 00:14.0 assign_resources, bus 0 link: 0 PCI: 00:14.2 10 <- [0x00d1131000 - 0x00d1131fff] size 0x00001000 gran 0x0c mem64 PCI: 00:15.0 10 <- [0x00d1132000 - 0x00d1132fff] size 0x00001000 gran 0x0c mem64 PCI: 00:15.0 assign_resources, bus 1 link: 0 PCI: 00:15.0 assign_resources, bus 1 link: 0 PCI: 00:15.1 10 <- [0x00d1133000 - 0x00d1133fff] size 0x00001000 gran 0x0c mem64 PCI: 00:15.1 assign_resources, bus 2 link: 0 PCI: 00:15.1 assign_resources, bus 2 link: 0 PCI: 00:16.0 10 <- [0x00d1134000 - 0x00d1134fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.0 18 <- [0x00d1135000 - 0x00d1135fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.1 10 <- [0x00d1136000 - 0x00d1136fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.1 assign_resources, bus 3 link: 0 PCI: 00:19.1 assign_resources, bus 3 link: 0 PCI: 00:1c.0 1c <- [0x000000ef9f - 0x000000ef9e] size 0x00000000 gran 0x0c bus 01 io PCI: 00:1c.0 24 <- [0x00dfffffff - 0x00dffffffe] size 0x00000000 gran 0x14 bus 01 prefmem PCI: 00:1c.0 20 <- [0x00d1000000 - 0x00d10fffff] size 0x00100000 gran 0x14 bus 01 mem PCI: 00:1c.0 assign_resources, bus 1 link: 0 PCI: 01:00.0 10 <- [0x00d1000000 - 0x00d1001fff] size 0x00002000 gran 0x0d mem64 PCI: 00:1c.0 assign_resources, bus 1 link: 0 PCI: 00:1e.0 10 <- [0x00d1137000 - 0x00d1137fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1e.2 10 <- [0x00d1138000 - 0x00d1138fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1e.2 assign_resources, bus 4 link: 0 PCI: 00:1e.2 assign_resources, bus 4 link: 0 PCI: 00:1e.4 10 <- [0x00d1139000 - 0x00d1139fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1e.6 10 <- [0x00d113a000 - 0x00d113afff] size 0x00001000 gran 0x0c mem64 PCI: 00:1f.0 assign_resources, bus 0 link: 0 PCI: 00:1f.0 assign_resources, bus 0 link: 0 LPC: Trying to open IO window from 800 size 1ff PCI: 00:1f.2 10 <- [0x00d1128000 - 0x00d112bfff] size 0x00004000 gran 0x0e mem PCI: 00:1f.3 10 <- [0x00d112c000 - 0x00d112ffff] size 0x00004000 gran 0x0e mem64 PCI: 00:1f.3 20 <- [0x00d1110000 - 0x00d111ffff] size 0x00010000 gran 0x10 mem64 PCI: 00:1f.4 10 <- [0x00d113c000 - 0x00d113c0ff] size 0x00000100 gran 0x08 mem64 PCI: 00:1f.5 10 <- [0x00d113b000 - 0x00d113bfff] size 0x00001000 gran 0x0c mem DOMAIN: 0000 assign_resources, bus 0 link: 0 Root Device assign_resources, bus 0 link: 0 Done setting resources. Show resources in subtree (Root Device)...After assigning values. Root Device child on link 0 CPU_CLUSTER: 0 CPU_CLUSTER: 0 child on link 0 APIC: 00 APIC: 00 APIC: 03 APIC: 01 APIC: 02 DOMAIN: 0000 child on link 0 PCI: 00:00.0 DOMAIN: 0000 resource base 1900 size 40 align 6 gran 0 limit ef9f flags 40040100 index 10000000 DOMAIN: 0000 resource base c0000000 size 1113c100 align 28 gran 0 limit dfffffff flags 40040200 index 10000100 PCI: 00:00.0 PCI: 00:00.0 resource base e0000000 size 4000000 align 0 gran 0 limit 0 flags f0000200 index 0 PCI: 00:00.0 resource base fed10000 size 8000 align 0 gran 0 limit 0 flags f0000200 index 1 PCI: 00:00.0 resource base fed18000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 2 PCI: 00:00.0 resource base fed19000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 3 PCI: 00:00.0 resource base fed84000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 4 PCI: 00:00.0 resource base fed80000 size 4000 align 0 gran 0 limit 0 flags f0000200 index 5 PCI: 00:00.0 resource base fed90000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 6 PCI: 00:00.0 resource base fed91000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 7 PCI: 00:00.0 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 8 PCI: 00:00.0 resource base c0000 size 7af40000 align 0 gran 0 limit 0 flags e0004200 index 9 PCI: 00:00.0 resource base 7b000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index b PCI: 00:00.0 resource base 7b800000 size 4800000 align 0 gran 0 limit 0 flags f0000200 index c PCI: 00:00.0 resource base 100000000 size 7f000000 align 0 gran 0 limit 0 flags e0004200 index d PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index e PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index f PCI: 00:02.0 PCI: 00:02.0 resource base d0000000 size 1000000 align 24 gran 24 limit d0ffffff flags 60000201 index 10 PCI: 00:02.0 resource base c0000000 size 10000000 align 28 gran 28 limit cfffffff flags 60001201 index 18 PCI: 00:02.0 resource base 1c00 size 40 align 6 gran 6 limit 1c3f flags 60000100 index 20 PCI: 00:04.0 PCI: 00:04.0 resource base d1120000 size 8000 align 15 gran 15 limit d1127fff flags 60000201 index 10 PCI: 00:08.0 PCI: 00:08.0 resource base d1130000 size 1000 align 12 gran 12 limit d1130fff flags 60000201 index 10 PCI: 00:14.0 child on link 0 USB0 port 0 PCI: 00:14.0 resource base d1100000 size 10000 align 16 gran 16 limit d110ffff flags 60000201 index 10 USB0 port 0 child on link 0 USB2 port 0 USB2 port 0 USB2 port 1 USB2 port 2 USB2 port 4 USB2 port 8 PCI: 00:14.1 PCI: 00:14.2 PCI: 00:14.2 resource base d1131000 size 1000 align 12 gran 12 limit d1131fff flags 60000201 index 10 PCI: 00:15.0 child on link 0 I2C: 01:5c PCI: 00:15.0 resource base d1132000 size 1000 align 12 gran 12 limit d1132fff flags 60000201 index 10 I2C: 01:5c PCI: 00:15.1 child on link 0 I2C: 02:15 PCI: 00:15.1 resource base d1133000 size 1000 align 12 gran 12 limit d1133fff flags 60000201 index 10 I2C: 02:15 PCI: 00:15.2 PCI: 00:15.3 PCI: 00:16.0 PCI: 00:16.0 resource base d1134000 size 1000 align 12 gran 12 limit d1134fff flags 60000201 index 10 PCI: 00:16.1 PCI: 00:16.2 PCI: 00:16.3 PCI: 00:16.4 PCI: 00:17.0 PCI: 00:19.0 PCI: 00:19.0 resource base fe034000 size 1000 align 12 gran 12 limit ffffffffffffffff flags c0000200 index 10 PCI: 00:19.0 resource base d1135000 size 1000 align 12 gran 12 limit d1135fff flags 60000201 index 18 PCI: 00:19.1 child on link 0 I2C: 03:39 PCI: 00:19.1 resource base d1136000 size 1000 align 12 gran 12 limit d1136fff flags 60000201 index 10 I2C: 03:39 I2C: 03:3a I2C: 03:1a PCI: 00:19.2 PCI: 00:1c.0 child on link 0 PCI: 01:00.0 PCI: 00:1c.0 resource base ef9f size 0 align 12 gran 12 limit ef9f flags 60080102 index 1c PCI: 00:1c.0 resource base dfffffff size 0 align 20 gran 20 limit dfffffff flags 60081202 index 24 PCI: 00:1c.0 resource base d1000000 size 100000 align 20 gran 20 limit d10fffff flags 60080202 index 20 PCI: 01:00.0 PCI: 01:00.0 resource base d1000000 size 2000 align 13 gran 13 limit d1001fff flags 60000201 index 10 PCI: 00:1c.1 PCI: 00:1c.2 PCI: 00:1c.3 PCI: 00:1c.4 PCI: 00:1c.5 PCI: 00:1c.6 PCI: 00:1c.7 PCI: 00:1d.0 PCI: 00:1d.1 PCI: 00:1d.2 PCI: 00:1d.3 PCI: 00:1e.0 PCI: 00:1e.0 resource base d1137000 size 1000 align 12 gran 12 limit d1137fff flags 60000201 index 10 PCI: 00:1e.1 PCI: 00:1e.2 child on link 0 SPI: 00 PCI: 00:1e.2 resource base d1138000 size 1000 align 12 gran 12 limit d1138fff flags 60000201 index 10 SPI: 00 PCI: 00:1e.3 PCI: 00:1e.4 PCI: 00:1e.4 resource base d1139000 size 1000 align 12 gran 12 limit d1139fff flags 60000201 index 10 PCI: 00:1e.5 PCI: 00:1e.6 PCI: 00:1e.6 resource base d113a000 size 1000 align 12 gran 12 limit d113afff flags 60000201 index 10 PCI: 00:1f.0 child on link 0 PNP: 0c09.0 PCI: 00:1f.0 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0000100 index 0 PNP: 0c09.0 PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0 PCI: 00:1f.1 PCI: 00:1f.2 PCI: 00:1f.2 resource base d1128000 size 4000 align 14 gran 14 limit d112bfff flags 60000200 index 10 PCI: 00:1f.2 resource base fe000000 size 10000 align 0 gran 0 limit 0 flags d0000200 index 48 PCI: 00:1f.2 resource base 1800 size 100 align 0 gran 0 limit 0 flags c0000100 index 40 PCI: 00:1f.3 PCI: 00:1f.3 resource base d112c000 size 4000 align 14 gran 14 limit d112ffff flags 60000201 index 10 PCI: 00:1f.3 resource base d1110000 size 10000 align 16 gran 16 limit d111ffff flags 60000201 index 20 PCI: 00:1f.4 PCI: 00:1f.4 resource base efa0 size 20 align 0 gran 0 limit efbf flags f0000100 index 20 PCI: 00:1f.4 resource base d113c000 size 100 align 12 gran 8 limit d113c0ff flags 60000201 index 10 PCI: 00:1f.5 PCI: 00:1f.5 resource base d113b000 size 1000 align 12 gran 12 limit d113bfff flags 60000200 index 10 PCI: 00:1f.6 Done allocating resources. BS: BS_DEV_RESOURCES times (us): entry 0 run 2113760 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 230 run 139287 exit 20021 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 30863 usecs CPU_CLUSTER: 0 init ... CPU_CLUSTER: 0 init finished in 2444 usecs PCI: 00:00.0 init ... CPU TDP: 5 Watts CPU PL2 = 18 Watts PCI: 00:00.0 init finished in 6982 usecs PCI: 00:02.0 init ... PCI: 00:02.0 init finished in 2249 usecs PCI: 00:04.0 init ... PCI: 00:04.0 init finished in 2249 usecs PCI: 00:08.0 init ... PCI: 00:08.0 init finished in 2248 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 2248 usecs PCI: 00:15.0 init ... DW I2C bus 0 at 0xd1132000 (400 KHz) PCI: 00:15.0 init finished in 5967 usecs PCI: 00:15.1 init ... DW I2C bus 1 at 0xd1133000 (400 KHz) PCI: 00:15.1 init finished in 5965 usecs PCI: 00:16.0 init ... PCI: 00:16.0 init finished in 2248 usecs PCI: 00:19.1 init ... DW I2C bus 5 at 0xd1136000 (400 KHz) PCI: 00:19.1 init finished in 5965 usecs PCI: 00:1c.0 init ... Initializing PCH PCIe bridge. PCI: 00:1c.0 init finished in 5286 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 23486 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 23820 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 2395 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 24496 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: 03: enabled 1 APIC: 01: enabled 1 APIC: 02: enabled 1 PCI: 00:04.0: enabled 1 PCI: 00:08.0: enabled 1 FMAP: area RW_ELOG found @ 9f0000 (16384 bytes) ELOG: NV offset 0x9f0000 size 0x4000 ELOG: area is 4096 bytes, full threshold 3842, shrink size 1024 ELOG: Event(17) added with size 13 at 2022-07-26 02:11:12 UTC POST: Unexpected post code in previous boot: 0x34 ELOG: Event(A3) added with size 11 at 2022-07-26 02:11:12 UTC ELOG: Event(92) added with size 9 at 2022-07-26 02:11:12 UTC ELOG: Event(9A) added with size 9 at 2022-07-26 02:11:12 UTC ELOG: Event(AD) added with size 10 at 2022-07-26 02:11:12 UTC ELOG: Event(9F) added with size 14 at 2022-07-26 02:11:12 UTC BS: BS_DEV_INIT times (us): entry 0 run 417079 exit 59992 ELOG: Event(A1) added with size 10 at 2022-07-26 02:11:12 UTC elog_add_boot_reason: Logged recovery mode boot (Dev-switch on), reason: 0x1b ELOG: Event(A0) added with size 9 at 2022-07-26 02:11:12 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 25561 run 3966 exit 5193 BS: BS_OS_RESUME_CHECK times (us): entry 0 run 54 exit 0 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/dsdt.aml' CBFS: Found @ offset 19af40 size 4691 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/slic' CBFS: 'fallback/slic' not found. ACPI: Writing ACPI tables at 7aa9a000. ACPI: * FACS ACPI: * DSDT Ramoops buffer: 0x100000@0x7a999000. SGX: not enabled or not supported. skip gnvs fill ACPI: * FADT SCI is IRQ9 ACPI: added table 1/32, length now 40 ACPI: * SSDT Found 1 CPU(s) with 4 core(s) each. \_SB.PCI0.I2C0.H05C: SISC Touchscreen at I2C: 01:5c \_SB.PCI0.I2C1.D015: ELAN Touchpad at I2C: 02:15 \_SB.PCI0.I2C5.MAXR: Maxim MAX98927 Codec address 039h \_SB.PCI0.I2C5.MAXL: Maxim MAX98927 Codec address 03ah \_SB.PCI0.I2C5.DLG7: Dialog Semiconductor DA7219 Audio Codec address 01ah irq 105 Error: Could not locate 'wifi_sar' in VPD. Error: failed from getting SAR limits! \_SB.PCI0.RP01.WIFI: Intel WiFi PCI: 01:00.0 \_SB.PCI0.SPI0.S001: SPI Device at SPI: 00 \_SB.PCI0.XHCI.RHUB.HS01: USB Type C Port 1 at USB2 port 0 \_SB.PCI0.XHCI.RHUB.HS02: USB Type A Port 1 at USB2 port 1 \_SB.PCI0.XHCI.RHUB.HS03: Bluetooth at USB2 port 2 \_SB.PCI0.XHCI.RHUB.HS05: USB Type C Port 2 at USB2 port 4 \_SB.PCI0.XHCI.RHUB.HS09: Camera at USB2 port 8 ACPI: added table 2/32, length now 44 ACPI: * MCFG ACPI: added table 3/32, length now 48 ACPI: * TPM2 ACPI: added table 4/32, length now 52 ACPI: * MADT SCI is IRQ9 ACPI: added table 5/32, length now 56 current = 7aa9fa60 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dmic-4ch-48khz-16b.bin' CBFS: Found @ offset 167000 size ba8 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dmic-4ch-48khz-32b.bin' CBFS: Found @ offset 19f640 size ba8 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dialog-2ch-48khz-24b.bin' CBFS: Found @ offset 167cc0 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dialog-2ch-48khz-24b.bin' CBFS: Found @ offset 167cc0 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'max98927-render-2ch-48khz-24b.bin' CBFS: Found @ offset 167c00 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'max98927-render-2ch-48khz-16b.bin' CBFS: Found @ offset 103f00 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'max98927-render-2ch-48khz-16b.bin' CBFS: Found @ offset 103f00 size 64 ACPI: * NHLT ACPI: added table 6/32, length now 60 ACPI: * DMAR ACPI: added table 7/32, length now 64 ACPI: * IGD OpRegion GMA: Found VBT in CBFS GMA: Found valid VBT in CBFS current = 7aaa3610 ACPI: added table 8/32, length now 68 ACPI: * HPET ACPI: added table 9/32, length now 72 ACPI: done. ACPI tables: 38592 bytes. smbios_write_tables: 7a998000 Create SMBIOS type 17 PCI: 01:00.0 (Intel WiFi) SMBIOS tables: 662 bytes. Writing table forward entry at 0x00000500 Wrote coreboot table at: 00000500, 0x10 bytes, checksum a532 Writing coreboot table at 0x7aabe000 0. 0000000000000000-0000000000000fff: CONFIGURATION TABLES 1. 0000000000001000-000000000009ffff: RAM 2. 00000000000a0000-00000000000fffff: RESERVED 3. 0000000000100000-000000007a997fff: RAM 4. 000000007a998000-000000007ab05fff: CONFIGURATION TABLES 5. 000000007ab06000-000000007abcffff: RAMSTAGE 6. 000000007abd0000-000000007affffff: CONFIGURATION TABLES 7. 000000007b000000-000000007fffffff: RESERVED 8. 00000000e0000000-00000000e3ffffff: RESERVED 9. 00000000fe000000-00000000fe00ffff: RESERVED 10. 00000000fed10000-00000000fed19fff: RESERVED 11. 00000000fed80000-00000000fed84fff: RESERVED 12. 00000000fed90000-00000000fed91fff: RESERVED 13. 0000000100000000-000000017effffff: RAM Graphics framebuffer located at 0xc0000000 Passing 6 GPIOs to payload: NAME | PORT | POLARITY | VALUE write protect | undefined | high | low recovery | undefined | high | low lid | undefined | high | high power | undefined | high | low oprom | undefined | high | low EC in RW | 0x00000036 | high | low Board ID: 6 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) Wrote coreboot table at: 7aabe000, 0x57c bytes, checksum 3d89 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 534051 exit 146819 call enable_fixed_mtrr() MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 call enable_fixed_mtrr() call enable_fixed_mtrr() CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CPU physical address size: 39 bits CBFS: Locating 'fallback/payload' 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 645 run 261801 exit 135636 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 6889273/tftp-deploy-45ebsk46/kernel/bzImage 6889273/tftp-deploy-45ebsk46/kernel/cmdline 6889273/tftp-deploy-45ebsk46/ramdisk/ramdisk.cpio.gz tftpboot 192.168.201.1 6889273/tftp-deploy-45ebsk46/kernel/bzImoy-45ebsk46/kernel/cmdline 6889273/tftp-deploy-45ebsk46/ramdisk/ramdisk.cpio.gz Waiting for link R8152: Initializing Version 9 (ocp_data = 6010) R8152: Done initializing Adding net device done. MAC: 00:e0:4c:68:01:e7 Sending DHCP discover... done. Waiting for reply... done. Sending DHCP request... done. Waiting for reply... done. My ip is 192.168.201.11 The DHCP server ip is 192.168.201.1 TFTP server IP predefined by user: 192.168.201.1 Bootfile predefined by user: 6889273/tftp-deploy-45ebsk46/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 ############################################################### done. The bootfile was 13094368 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: 6889273/tftp-deploy-45ebsk46/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/6889273/extract-nfsrootfs-q5mqsl9b,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: 19162351 Starting kernel ... [ 0.000000] Linux version 5.10.129-cip12 (KernelCI@build-j399657-x86-64-gcc-10-x86-64-defconfig-x86-chromeboov2zpz) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Tue Jul 26 02:09:28 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/6889273/extract-nfsrootfs-q5mqsl9b,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 [ 0.000052] last_pfn = 0x17f000 max_arch_pfn = 0x400000000 [ 0.001364] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.007052] last_pfn = 0x7a998 max_arch_pfn = 0x400000000 [ 0.024727] check: Scanning 1 areas for low memory corruption [ 0.024740] Using GB pages for direct mapping [ 0.025520] RAMDISK: [mem 0x377e1000-0x37ffffff] [ 0.025528] ACPI: Early table checksum verification disabled [ 0.025537] ACPI: RSDP 0x00000000000F0000 000024 (v02 CORE ) [ 0.025552] ACPI: XSDT 0x000000007AA9A0E0 00006C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.025571] ACPI: FACP 0x000000007AA9E970 0000F4 (v04 CORE COREBOOT 00000000 CORE 00000000) [ 0.025588] ACPI: DSDT 0x000000007AA9A280 0046E3 (v05 COREv4 COREBOOT 20110725 INTL 20180531) [ 0.025602] ACPI: FACS 0x000000007AA9A240 000040 [ 0.025614] ACPI: FACS 0x000000007AA9A240 000040 [ 0.025626] ACPI: SSDT 0x000000007AA9EA70 000EFA (v02 CORE COREBOOT 0000002A CORE 0000002A) [ 0.025640] ACPI: MCFG 0x000000007AA9F970 00003C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.025653] ACPI: TPM2 0x000000007AA9F9B0 000040 (v04 CORE COREBOOT 00000000 CORE 00000000) [ 0.025665] ACPI: APIC 0x000000007AA9F9F0 00006C (v02 CORE COREBOOT 00000000 CORE 00000000) [ 0.025678] ACPI: NHLT 0x000000007AA9FA60 001B1C (v05 GOOGLE RAMMUS 00000000 CORE 00000000) [ 0.025691] ACPI: DMAR 0x000000007AAA1580 000088 (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.025704] ACPI: DBG2 0x000000007AAA3610 000061 (v00 CORE COREBOOT 00000000 CORE 00000000) [ 0.025716] ACPI: HPET 0x000000007AAA3680 000038 (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.025729] ACPI: Reserving FACP table memory at [mem 0x7aa9e970-0x7aa9ea63] [ 0.025735] ACPI: Reserving DSDT table memory at [mem 0x7aa9a280-0x7aa9e962] [ 0.025740] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] [ 0.025745] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] [ 0.025750] ACPI: Reserving SSDT table memory at [mem 0x7aa9ea70-0x7aa9f969] [ 0.025755] ACPI: Reserving MCFG table memory at [mem 0x7aa9f970-0x7aa9f9ab] [ 0.025761] ACPI: Reserving TPM2 table memory at [mem 0x7aa9f9b0-0x7aa9f9ef] [ 0.025766] ACPI: Reserving APIC table memory at [mem 0x7aa9f9f0-0x7aa9fa5b] [ 0.025771] ACPI: Reserving NHLT table memory at [mem 0x7aa9fa60-0x7aaa157b] [ 0.025776] ACPI: Reserving DMAR table memory at [mem 0x7aaa1580-0x7aaa1607] [ 0.025781] ACPI: Reserving DBG2 table memory at [mem 0x7aaa3610-0x7aaa3670] [ 0.025786] ACPI: Reserving HPET table memory at [mem 0x7aaa3680-0x7aaa36b7] [ 0.025953] No NUMA configuration found [ 0.025959] Faking a node at [mem 0x0000000000000000-0x000000017effffff] [ 0.025972] NODE_DATA(0) allocated [mem 0x17effc000-0x17effffff] [ 0.026014] Zone ranges: [ 0.026019] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.026026] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.026033] Normal [mem 0x0000000100000000-0x000000017effffff] [ 0.026041] Movable zone start for each node [ 0.026045] Early memory node ranges [ 0.026050] node 0: [mem 0x0000000000001000-0x000000000009ffff] [ 0.026055] node 0: [mem 0x0000000000100000-0x000000007a997fff] [ 0.026060] node 0: [mem 0x0000000100000000-0x000000017effffff] [ 0.026066] Initmem setup node 0 [mem 0x0000000000001000-0x000000017effffff] [ 0.026101] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.026147] On node 0, zone DMA: 96 pages in unavailable ranges [ 0.037750] On node 0, zone Normal: 22120 pages in unavailable ranges [ 0.037825] On node 0, zone Normal: 4096 pages in unavailable ranges [ 0.037851] Reserving Intel graphics memory at [mem 0x7c000000-0x7fffffff] [ 0.038209] ACPI: PM-Timer IO Port: 0x1808 [ 0.038263] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-119 [ 0.038277] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 0.038283] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.038297] Using ACPI (MADT) for SMP configuration information [ 0.038303] ACPI: HPET id: 0x8086a701 base: 0xfed00000 [ 0.038311] TSC deadline timer available [ 0.038316] smpboot: Allowing 4 CPUs, 0 hotplug CPUs [ 0.038346] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.038352] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000fffff] [ 0.038358] PM: hibernation: Registered nosave memory: [mem 0x7a998000-0x7affffff] [ 0.038362] PM: hibernation: Registered nosave memory: [mem 0x7b000000-0x7fffffff] [ 0.038367] PM: hibernation: Registered nosave memory: [mem 0x80000000-0xdfffffff] [ 0.038371] PM: hibernation: Registered nosave memory: [mem 0xe0000000-0xe3ffffff] [ 0.038376] PM: hibernation: Registered nosave memory: [mem 0xe4000000-0xfdffffff] [ 0.038380] PM: hibernation: Registered nosave memory: [mem 0xfe000000-0xfe00ffff] [ 0.038384] PM: hibernation: Registered nosave memory: [mem 0xfe010000-0xfed0ffff] [ 0.038388] PM: hibernation: Registered nosave memory: [mem 0xfed10000-0xfed19fff] [ 0.038393] PM: hibernation: Registered nosave memory: [mem 0xfed1a000-0xfed7ffff] [ 0.038397] PM: hibernation: Registered nosave memory: [mem 0xfed80000-0xfed84fff] [ 0.038401] PM: hibernation: Registered nosave memory: [mem 0xfed85000-0xfed8ffff] [ 0.038406] PM: hibernation: Registered nosave memory: [mem 0xfed90000-0xfed91fff] [ 0.038410] PM: hibernation: Registered nosave memory: [mem 0xfed92000-0xffffffff] [ 0.038419] [mem 0x80000000-0xdfffffff] available for PCI devices [ 0.038426] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns [ 0.052871] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:4 nr_node_ids:1 [ 0.053164] percpu: Embedded 59 pages/cpu s200848 r8192 d32624 u524288 [ 0.053236] Built 1 zonelists, mobility grouping on. Total pages: 1006266 [ 0.053240] Policy zone: Normal [ 0.053255] 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/6889273/extract-nfsrootfs-q5mqsl9b,tcp,hard ip=dhcp tftpserverip=192.168.201.1 [ 0.053804] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) [ 0.054065] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear) [ 0.054151] mem auto-init: stack:off, heap alloc:off, heap free:off [ 0.076368] Memory: 3892572K/4089052K available (18450K kernel code, 3458K rwdata, 5992K rodata, 1688K init, 11616K bss, 196220K reserved, 0K cma-reserved) [ 0.076536] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 [ 0.076593] Kernel/User page tables isolation: enabled [ 0.076669] ftrace: allocating 52723 entries in 206 pages [ 0.116751] ftrace: allocated 206 pages with 5 groups [ 0.117067] Running RCU self tests [ 0.117084] rcu: Hierarchical RCU implementation. [ 0.117089] rcu: RCU event tracing is enabled. [ 0.117093] rcu: RCU lockdep checking is enabled. [ 0.117098] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=4. [ 0.117104] Rude variant of Tasks RCU enabled. [ 0.117108] Tracing variant of Tasks RCU enabled. [ 0.117114] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies. [ 0.117119] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 [ 0.127886] NR_IRQS: 4352, nr_irqs: 1024, preallocated irqs: 16 [ 0.128385] random: crng init done [ 0.128501] Console: colour dummy device 80x25 [ 0.203724] printk: console [ttyS0] enabled [ 0.204092] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.204755] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.205116] ... MAX_LOCK_DEPTH: 48 [ 0.205484] ... MAX_LOCKDEP_KEYS: 8192 [ 0.205866] ... CLASSHASH_SIZE: 4096 [ 0.206248] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.206637] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.207025] ... CHAINHASH_SIZE: 32768 [ 0.207415] memory used by lock dependency info: 6365 kB [ 0.207883] memory used for stack traces: 4224 kB [ 0.208301] per task-struct memory footprint: 1920 bytes [ 0.208824] ACPI: Core revision 20200925 [ 0.209421] hpet: HPET dysfunctional in PC10. Force disabled. [ 0.209921] APIC: Switch to symmetric I/O mode setup [ 0.214369] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x170fff30cc4, max_idle_ns: 440795237869 ns [ 0.215288] Calibrating delay loop (skipped), value calculated using timer frequency.. 3199.92 BogoMIPS (lpj=1599960) [ 0.216195] pid_max: default: 32768 minimum: 301 [ 0.216271] LSM: Security Framework initializing [ 0.216271] SELinux: Initializing. [ 0.216271] LSM support for eBPF active [ 0.216271] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.216271] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.216271] mce: CPU0: Thermal monitoring enabled (TM1) [ 0.216271] process: using mwait in idle threads [ 0.216271] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8 [ 0.216271] Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4 [ 0.216271] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 0.216271] Spectre V2 : Mitigation: Retpolines [ 0.216271] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 0.216271] Spectre V2 : Enabling Restricted Speculation for firmware calls [ 0.216271] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier [ 0.216271] Spectre V2 : User space: Mitigation: STIBP via seccomp and prctl [ 0.216271] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl and seccomp [ 0.216271] MDS: Vulnerable: Clear CPU buffers attempted, no microcode [ 0.216271] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode [ 0.216271] SRBDS: Vulnerable: No microcode [ 0.216271] Freeing SMP alternatives memory: 44K [ 0.216271] smpboot: CPU0: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz (family: 0x6, model: 0x8e, stepping: 0x9) [ 0.217056] Performance Events: PEBS fmt3+, Skylake events, 32-deep LBR, full-width counters, Intel PMU driver. [ 0.217289] ... version: 4 [ 0.217646] ... bit width: 48 [ 0.218008] ... generic registers: 4 [ 0.218280] ... value mask: 0000ffffffffffff [ 0.218744] ... max period: 00007fffffffffff [ 0.219206] ... fixed-purpose events: 3 [ 0.219278] ... event mask: 000000070000000f [ 0.220318] rcu: Hierarchical SRCU implementation. [ 0.222982] smp: Bringing up secondary CPUs ... [ 0.224099] x86: Booting SMP configuration: [ 0.224303] .... node #0, CPUs: #1 #2 [ 0.226618] 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. [ 0.228283] 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. [ 0.229925] #3 [ 0.230887] smp: Brought up 1 node, 4 CPUs [ 0.231294] smpboot: Max logical packages: 1 [ 0.231674] smpboot: Total of 4 processors activated (12799.68 BogoMIPS) [ 0.234621] devtmpfs: initialized [ 0.235680] x86/mm: Memory block size: 128MB [ 0.240396] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns [ 0.241297] futex hash table entries: 1024 (order: 5, 131072 bytes, linear) [ 0.242424] pinctrl core: initialized pinctrl subsystem [ 0.243281] PM: RTC time: 02:11:27, date: 2022-07-26 [ 0.244368] NET: Registered protocol family 16 [ 0.245648] audit: initializing netlink subsys (disabled) [ 0.246338] audit: type=2000 audit(1658801487.031:1): state=initialized audit_enabled=0 res=1 [ 0.247124] thermal_sys: Registered thermal governor 'step_wise' [ 0.247130] thermal_sys: Registered thermal governor 'user_space' [ 0.247377] cpuidle: using governor menu [ 0.249274] ACPI: bus type PCI registered [ 0.249353] PCI: MMCONFIG for domain 0000 [bus 00-3f] at [mem 0xe0000000-0xe3ffffff] (base 0xe0000000) [ 0.250157] PCI: MMCONFIG at [mem 0xe0000000-0xe3ffffff] reserved in E820 [ 0.251323] PCI: Using configuration type 1 for base access [ 0.281350] Kprobes globally optimized [ 0.282330] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 0.282330] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 0.283435] cryptomgr_test (38) used greatest stack depth: 14880 bytes left [ 0.287739] ACPI: Added _OSI(Module Device) [ 0.288116] ACPI: Added _OSI(Processor Device) [ 0.288285] ACPI: Added _OSI(3.0 _SCP Extensions) [ 0.288702] ACPI: Added _OSI(Processor Aggregator Device) [ 0.289197] ACPI: Added _OSI(Linux-Dell-Video) [ 0.289300] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 0.289770] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 0.304537] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 0.314112] ACPI: EC: EC started [ 0.314277] ACPI: EC: interrupt blocked [ 0.315481] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.315930] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC used to handle transactions [ 0.317281] ACPI: Interpreter enabled [ 0.317688] ACPI: (supports S0 S3 S4 S5) [ 0.318039] ACPI: Using IOAPIC for interrupt routing [ 0.318370] PCI: Using host bridge windows from ACPI; if necessary, use \"pci=nocrs\" and report a bug [ 0.338428] ACPI: Power Resource [PRIC] (on) [ 0.465680] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 0.466231] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] [ 0.466607] acpi PNP0A08:00: _OSC: OS now controls [PME PCIeCapability LTR] [ 0.467271] acpi PNP0A08:00: [Firmware Info]: MMCONFIG for domain 0000 [bus 00-3f] only partially covers this bridge [ 0.468903] PCI host bridge to bus 0000:00 [ 0.469271] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 0.470283] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 0.470872] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 0.471280] pci_bus 0000:00: root bus resource [mem 0x000c0000-0x000c3fff window] [ 0.471925] pci_bus 0000:00: root bus resource [mem 0x000c4000-0x000c7fff window] [ 0.473281] pci_bus 0000:00: root bus resource [mem 0x000c8000-0x000cbfff window] [ 0.473926] pci_bus 0000:00: root bus resource [mem 0x000cc000-0x000cffff window] [ 0.474279] pci_bus 0000:00: root bus resource [mem 0x000d0000-0x000d3fff window] [ 0.474925] pci_bus 0000:00: root bus resource [mem 0x000d4000-0x000d7fff window] [ 0.475281] pci_bus 0000:00: root bus resource [mem 0x000d8000-0x000dbfff window] [ 0.475929] pci_bus 0000:00: root bus resource [mem 0x000dc000-0x000dffff window] [ 0.476279] pci_bus 0000:00: root bus resource [mem 0x000e0000-0x000e3fff window] [ 0.476925] pci_bus 0000:00: root bus resource [mem 0x000e4000-0x000e7fff window] [ 0.478281] pci_bus 0000:00: root bus resource [mem 0x000e8000-0x000ebfff window] [ 0.478927] pci_bus 0000:00: root bus resource [mem 0x000ec000-0x000effff window] [ 0.479280] pci_bus 0000:00: root bus resource [mem 0x000f0000-0x000fffff window] [ 0.479924] pci_bus 0000:00: root bus resource [mem 0x80000001-0xdfffffff window] [ 0.480279] pci_bus 0000:00: root bus resource [mem 0x800000000-0xbffffffff window] [ 0.480939] pci_bus 0000:00: root bus resource [mem 0xfd000000-0xfe7fffff window] [ 0.482280] pci_bus 0000:00: root bus resource [mem 0xfed40000-0xfed44fff window] [ 0.482927] pci_bus 0000:00: root bus resource [bus 00-ff] [ 0.483370] pci 0000:00:00.0: [8086:590c] type 00 class 0x060000 [ 0.485038] pci 0000:00:02.0: [8086:591c] type 00 class 0x030000 [ 0.485306] pci 0000:00:02.0: reg 0x10: [mem 0xd0000000-0xd0ffffff 64bit] [ 0.485909] pci 0000:00:02.0: reg 0x18: [mem 0xc0000000-0xcfffffff 64bit pref] [ 0.486290] pci 0000:00:02.0: reg 0x20: [io 0x1c00-0x1c3f] [ 0.487533] pci 0000:00:04.0: [8086:1903] type 00 class 0x118000 [ 0.488083] pci 0000:00:04.0: reg 0x10: [mem 0xd1120000-0xd1127fff 64bit] [ 0.490181] pci 0000:00:08.0: [8086:1911] type 00 class 0x088000 [ 0.490308] pci 0000:00:08.0: reg 0x10: [mem 0xd1130000-0xd1130fff 64bit] [ 0.491669] pci 0000:00:14.0: [8086:9d2f] type 00 class 0x0c0330 [ 0.492224] pci 0000:00:14.0: reg 0x10: [mem 0xd1100000-0xd110ffff 64bit] [ 0.493442] pci 0000:00:14.0: PME# supported from D3hot D3cold [ 0.494825] pci 0000:00:14.2: [8086:9d31] type 00 class 0x118000 [ 0.495320] pci 0000:00:14.2: reg 0x10: [mem 0xd1131000-0xd1131fff 64bit] [ 0.496688] pci 0000:00:15.0: [8086:9d60] type 00 class 0x118000 [ 0.497252] pci 0000:00:15.0: reg 0x10: [mem 0xd1132000-0xd1132fff 64bit] [ 0.498222] pci 0000:00:15.1: [8086:9d61] type 00 class 0x118000 [ 0.499329] pci 0000:00:15.1: reg 0x10: [mem 0xd1133000-0xd1133fff 64bit] [ 0.500891] pci 0000:00:19.0: [8086:9d66] type 00 class 0x118000 [ 0.501328] pci 0000:00:19.0: reg 0x10: [mem 0xfe034000-0xfe034fff 64bit] [ 0.501940] pci 0000:00:19.0: reg 0x18: [mem 0xd1135000-0xd1135fff 64bit] [ 0.503193] pci 0000:00:19.1: [8086:9d65] type 00 class 0x118000 [ 0.503329] pci 0000:00:19.1: reg 0x10: [mem 0xd1136000-0xd1136fff 64bit] [ 0.505894] pci 0000:00:1c.0: [8086:9d10] type 01 class 0x060400 [ 0.506496] pci 0000:00:1c.0: PME# supported from D0 D3hot D3cold [ 0.507923] pci 0000:00:1e.0: [8086:9d27] type 00 class 0x118000 [ 0.508329] pci 0000:00:1e.0: reg 0x10: [mem 0xd1137000-0xd1137fff 64bit] [ 0.509852] pci 0000:00:1e.2: [8086:9d29] type 00 class 0x118000 [ 0.510328] pci 0000:00:1e.2: reg 0x10: [mem 0xd1138000-0xd1138fff 64bit] [ 0.511850] pci 0000:00:1e.4: [8086:9d2b] type 00 class 0x080501 [ 0.512322] pci 0000:00:1e.4: reg 0x10: [mem 0xd1139000-0xd1139fff 64bit] [ 0.513967] pci 0000:00:1e.6: [8086:9d2d] type 00 class 0x080501 [ 0.514322] pci 0000:00:1e.6: reg 0x10: [mem 0xd113a000-0xd113afff 64bit] [ 0.515815] pci 0000:00:1f.0: [8086:9d4b] type 00 class 0x060100 [ 0.517170] pci 0000:00:1f.2: [8086:9d21] type 00 class 0x058000 [ 0.518314] pci 0000:00:1f.2: reg 0x10: [mem 0xd1128000-0xd112bfff] [ 0.519722] pci 0000:00:1f.3: [8086:9d71] type 00 class 0x040100 [ 0.520290] pci 0000:00:1f.3: reg 0x10: [mem 0xd112c000-0xd112ffff 64bit] [ 0.520932] pci 0000:00:1f.3: reg 0x20: [mem 0xd1110000-0xd111ffff 64bit] [ 0.521398] pci 0000:00:1f.3: PME# supported from D3hot D3cold [ 0.522787] pci 0000:00:1f.4: [8086:9d23] type 00 class 0x0c0500 [ 0.523346] pci 0000:00:1f.4: reg 0x10: [mem 0xd113c000-0xd113c0ff 64bit] [ 0.524002] pci 0000:00:1f.4: reg 0x20: [io 0xefa0-0xefbf] [ 0.525116] pci 0000:00:1f.5: [8086:9d24] type 00 class 0x000000 [ 0.526315] pci 0000:00:1f.5: reg 0x10: [mem 0xfe010000-0xfe010fff] [ 0.528491] pci 0000:01:00.0: [8086:095a] type 00 class 0x028000 [ 0.529742] pci 0000:01:00.0: reg 0x10: [mem 0xd1000000-0xd1001fff 64bit] [ 0.532788] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold [ 0.535341] pci 0000:00:1c.0: PCI bridge to [bus 01] [ 0.535795] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] [ 0.537768] ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.538591] ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 *10 12 14 15) [ 0.539506] ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.540442] ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.541379] ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.542313] ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.543249] ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.544189] ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.550734] ACPI: EC: interrupt unblocked [ 0.551106] ACPI: EC: event unblocked [ 0.552280] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.552731] ACPI: EC: GPE=0x6e [ 0.553018] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC initialization complete [ 0.553294] ACPI: \_SB_.PCI0.LPCB.EC0_: EC: Used to handle transactions and events [ 0.554504] iommu: Default domain type: Translated [ 0.555463] pci 0000:00:02.0: vgaarb: setting as boot VGA device [ 0.555896] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 0.557278] pci 0000:00:02.0: vgaarb: bridge control possible [ 0.557278] vgaarb: loaded [ 0.557698] SCSI subsystem initialized [ 0.558413] ACPI: bus type USB registered [ 0.558910] usbcore: registered new interface driver usbfs [ 0.560355] usbcore: registered new interface driver hub [ 0.560862] usbcore: registered new device driver usb [ 0.561425] pps_core: LinuxPPS API ver. 1 registered [ 0.561862] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 0.562291] PTP clock support registered [ 0.563433] Advanced Linux Sound Architecture Driver Initialized. [ 0.564341] NetLabel: Initializing [ 0.564650] NetLabel: domain hash size = 128 [ 0.565034] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 0.566360] NetLabel: unlabeled traffic allowed by default [ 0.566942] PCI: Using ACPI for IRQ routing [ 0.575280] clocksource: Switched to clocksource tsc-early [ 1.006971] VFS: Disk quotas dquot_6.6.0 [ 1.007397] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 1.008454] pnp: PnP ACPI init [ 1.009672] system 00:00: [mem 0xfed10000-0xfed17fff] has been reserved [ 1.010254] system 00:00: [mem 0xfed18000-0xfed18fff] has been reserved [ 1.010852] system 00:00: [mem 0xfed19000-0xfed19fff] has been reserved [ 1.011443] system 00:00: [mem 0xe0000000-0xe3ffffff] has been reserved [ 1.012020] system 00:00: [mem 0xfed20000-0xfed3ffff] has been reserved [ 1.012612] system 00:00: [mem 0xfed90000-0xfed93fff] could not be reserved [ 1.013219] system 00:00: [mem 0xfed45000-0xfed8ffff] could not be reserved [ 1.013837] system 00:00: [mem 0xff000000-0xffffffff] has been reserved [ 1.014427] system 00:00: [mem 0xfee00000-0xfeefffff] has been reserved [ 1.015004] system 00:00: [mem 0xfed00000-0xfed003ff] has been reserved [ 1.016640] system 00:01: [io 0x1800-0x18fe] has been reserved [ 1.017627] system 00:03: [io 0x0900-0x09fe] has been reserved [ 1.018451] system 00:04: [io 0x0200] has been reserved [ 1.018920] system 00:04: [io 0x0204] has been reserved [ 1.019406] system 00:04: [io 0x0800-0x087f] has been reserved [ 1.019925] system 00:04: [io 0x0880-0x08ff] has been reserved [ 1.023161] pnp: PnP ACPI: found 6 devices [ 1.039201] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 1.040107] NET: Registered protocol family 2 [ 1.040714] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear) [ 1.043258] tcp_listen_portaddr_hash hash table entries: 2048 (order: 5, 163840 bytes, linear) [ 1.044262] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear) [ 1.045215] TCP bind hash table entries: 32768 (order: 9, 2359296 bytes, linear) [ 1.048073] TCP: Hash tables configured (established 32768 bind 32768) [ 1.049016] MPTCP token hash table entries: 4096 (order: 6, 360448 bytes, linear) [ 1.050004] UDP hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 1.050919] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 1.051996] NET: Registered protocol family 1 [ 1.053153] RPC: Registered named UNIX socket transport module. [ 1.053721] RPC: Registered udp transport module. [ 1.054137] RPC: Registered tcp transport module. [ 1.054565] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 1.055752] NET: Registered protocol family 44 [ 1.056168] pci 0000:00:1c.0: PCI bridge to [bus 01] [ 1.056646] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] [ 1.057248] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 1.057799] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 1.058420] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 1.059016] pci_bus 0000:00: resource 7 [mem 0x000c0000-0x000c3fff window] [ 1.059625] pci_bus 0000:00: resource 8 [mem 0x000c4000-0x000c7fff window] [ 1.060221] pci_bus 0000:00: resource 9 [mem 0x000c8000-0x000cbfff window] [ 1.060827] pci_bus 0000:00: resource 10 [mem 0x000cc000-0x000cffff window] [ 1.061441] pci_bus 0000:00: resource 11 [mem 0x000d0000-0x000d3fff window] [ 1.062043] pci_bus 0000:00: resource 12 [mem 0x000d4000-0x000d7fff window] [ 1.062660] pci_bus 0000:00: resource 13 [mem 0x000d8000-0x000dbfff window] [ 1.063260] pci_bus 0000:00: resource 14 [mem 0x000dc000-0x000dffff window] [ 1.063913] pci_bus 0000:00: resource 15 [mem 0x000e0000-0x000e3fff window] [ 1.064529] pci_bus 0000:00: resource 16 [mem 0x000e4000-0x000e7fff window] [ 1.065131] pci_bus 0000:00: resource 17 [mem 0x000e8000-0x000ebfff window] [ 1.065745] pci_bus 0000:00: resource 18 [mem 0x000ec000-0x000effff window] [ 1.066359] pci_bus 0000:00: resource 19 [mem 0x000f0000-0x000fffff window] [ 1.066961] pci_bus 0000:00: resource 20 [mem 0x80000001-0xdfffffff window] [ 1.067574] pci_bus 0000:00: resource 21 [mem 0x800000000-0xbffffffff window] [ 1.068191] pci_bus 0000:00: resource 22 [mem 0xfd000000-0xfe7fffff window] [ 1.068804] pci_bus 0000:00: resource 23 [mem 0xfed40000-0xfed44fff window] [ 1.069420] pci_bus 0000:01: resource 1 [mem 0xd1000000-0xd10fffff] [ 1.070511] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 1.073491] PCI: CLS 64 bytes, default 64 [ 1.074258] Unpacking initramfs... [ 1.423613] Freeing initrd memory: 8316K [ 1.424048] DMAR: Host address width 39 [ 1.424455] DMAR: DRHD base: 0x000000fed90000 flags: 0x0 [ 1.424991] DMAR: dmar0: reg_base_addr fed90000 ver 1:0 cap 1c0000c40660462 ecap 19e2ff0505e [ 1.425733] DMAR: RMRR base: 0x0000007b800000 end: 0x0000007fffffff [ 1.426292] DMAR: DRHD base: 0x000000fed91000 flags: 0x1 [ 1.426778] DMAR: dmar1: reg_base_addr fed91000 ver 1:0 cap d2008c40660462 ecap f050da [ 1.427582] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 1.428144] software IO TLB: mapped [mem 0x0000000076998000-0x000000007a998000] (64MB) [ 1.429078] RAPL PMU: API unit is 2^-32 Joules, 5 fixed counters, 655360 ms ovfl timer [ 1.429792] RAPL PMU: hw unit of domain pp0-core 2^-14 Joules [ 1.430382] RAPL PMU: hw unit of domain package 2^-14 Joules [ 1.430876] RAPL PMU: hw unit of domain dram 2^-14 Joules [ 1.431360] RAPL PMU: hw unit of domain pp1-gpu 2^-14 Joules [ 1.431854] RAPL PMU: hw unit of domain psys 2^-14 Joules [ 1.434360] kvm: already loaded the other module [ 1.439262] check: Scanning for low memory corruption every 60 seconds [ 1.443555] Initialise system trusted keyrings [ 1.444226] workingset: timestamp_bits=56 max_order=20 bucket_order=0 [ 1.467196] NFS: Registering the id_resolver key type [ 1.467708] Key type id_resolver registered [ 1.468107] Key type id_legacy registered [ 1.490379] Key type asymmetric registered [ 1.490772] Asymmetric key parser 'x509' registered [ 1.491255] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249) [ 1.491935] io scheduler mq-deadline registered [ 1.492351] io scheduler kyber registered [ 1.492970] test_firmware: interface ready [ 1.495089] pcieport 0000:00:1c.0: PME: Signaling with IRQ 120 [ 1.497078] ACPI: AC Adapter [AC] (on-line) [ 1.497904] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/PNP0C0D:00/input/input0 [ 1.499668] ACPI: Lid Switch [LID0] [ 1.500317] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input1 [ 1.501232] ACPI: Power Button [PWRF] [ 1.502057] ACPI: \_PR_.CP00: Found 3 idle states [ 1.503486] ACPI: \_PR_.CP01: Found 3 idle states [ 1.504597] ACPI: \_PR_.CP02: Found 3 idle states [ 1.505654] ACPI: \_PR_.CP03: Found 3 idle states [ 1.507238] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 1.511792] hpet_acpi_add: no address or irqs in _CRS [ 1.512411] battery: ACPI: Battery Slot [BAT0] (battery present) [ 1.512629] Non-volatile memory driver v1.3 [ 1.513666] Linux agpgart interface v0.103 [ 1.517113] i915 0000:00:02.0: vgaarb: deactivate vga console [ 1.569797] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem [ 1.571093] i915 0000:00:02.0: Direct firmware load for i915/kbl_dmc_ver1_04.bin failed with error -2 [ 1.571999] i915 0000:00:02.0: [drm] Failed to load DMC firmware i915/kbl_dmc_ver1_04.bin. Disabling runtime power management. [ 1.573193] i915 0000:00:02.0: [drm] DMC firmware homepage: https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/tree/i915 [ 1.604932] [drm] Initialized i915 1.6.0 20200917 for 0000:00:02.0 on minor 0 [ 1.608849] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 1 [ 1.628517] loop: module loaded [ 1.629683] lkdtm: No crash points registered, enable through debugfs [ 1.655733] printk: console [ttyS0] disabled [ 1.656460] dw-apb-uart.2: ttyS0 at MMIO 0xfe034000 (irq = 32, base_baud = 115200) is a 16550A [ 2.486523] tsc: Refined TSC clocksource calibration: 1608.000 MHz [ 2.491944] printk: console [ttyS0] enabled [ 2.495478] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x172daa3a18b, max_idle_ns: 440795212390 ns [ 2.533848] dw-apb-uart.4: ttyS1 at MMIO 0xd1137000 (irq = 20, base_baud = 115200) is a 16550A [ 4.888853] clocksource: Switched to clocksource tsc [ 4.889041] fbcon: i915drmfb (fb0) is primary device [ 4.891119] pxa2xx-spi pxa2xx-spi.5: no DMA channels available, using PIO [ 4.899971] e100: Intel(R) PRO/100 Network Driver [ 4.899975] e100: Copyright(c) 1999-2006 Intel Corporation [ 4.900041] e1000: Intel(R) PRO/1000 Network Driver [ 4.900044] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 4.900128] e1000e: Intel(R) PRO/1000 Network Driver [ 4.900131] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 4.900224] sky2: driver version 1.30 [ 4.900592] usbcore: registered new interface driver r8152 [ 4.901006] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 4.901037] ehci-pci: EHCI PCI platform driver [ 4.901109] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 4.901125] ohci-pci: OHCI PCI platform driver [ 4.901188] uhci_hcd: USB Universal Host Controller Interface driver [ 4.902152] tpm_tis_spi spi-PRP0001:00: TPM ready IRQ confirmed on attempt 2 [ 4.903233] xhci_hcd 0000:00:14.0: xHCI Host Controller [ 4.904586] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 1 [ 4.906158] xhci_hcd 0000:00:14.0: hcc params 0x200077c1 hci version 0x100 quirks 0x0000000081109810 [ 4.906221] xhci_hcd 0000:00:14.0: cache line size of 64 is not supported [ 4.909621] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10 [ 4.909704] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 4.909710] usb usb1: Product: xHCI Host Controller [ 4.909717] usb usb1: Manufacturer: Linux 5.10.129-cip12 xhci-hcd [ 4.909723] usb usb1: SerialNumber: 0000:00:14.0 [ 4.912246] hub 1-0:1.0: USB hub found [ 4.912556] hub 1-0:1.0: 12 ports detected [ 4.918124] xhci_hcd 0000:00:14.0: xHCI Host Controller [ 4.918758] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 2 [ 4.918776] xhci_hcd 0000:00:14.0: Host supports USB 3.0 SuperSpeed [ 4.919340] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.10 [ 4.919350] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 4.919354] usb usb2: Product: xHCI Host Controller [ 4.919357] usb usb2: Manufacturer: Linux 5.10.129-cip12 xhci-hcd [ 4.919361] usb usb2: SerialNumber: 0000:00:14.0 [ 4.921229] hub 2-0:1.0: USB hub found [ 4.921443] hub 2-0:1.0: 6 ports detected [ 4.923771] Console: switching to colour frame buffer device 240x67 [ 4.924728] usbcore: registered new interface driver usblp [ 4.924828] usbcore: registered new interface driver usb-storage [ 4.925503] udc-core: couldn't find an available UDC - added [g_ether] to list of pending drivers [ 4.925661] i8042: PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1 [ 4.925664] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp [ 4.926506] i8042: Warning: Keylock active [ 4.926830] serio: i8042 KBD port at 0x60,0x64 irq 1 [ 4.927038] tpm_tis_spi spi-PRP0001:00: 2.0 TPM (device-id 0x28, rev-id 0) [ 4.929112] rtc_cmos 00:02: RTC can wake from S4 [ 4.931568] rtc_cmos 00:02: registered as rtc0 [ 4.931886] rtc_cmos 00:02: alarms up to one month, 242 bytes nvram [ 4.931888] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input2 [ 4.933397] i801_smbus 0000:00:1f.4: SPD Write Disable is set [ 4.933449] i801_smbus 0000:00:1f.4: SMBus using PCI interrupt [ 4.934752] i2c i2c-9: 2/2 memory slots populated (from DMI) [ 4.936738] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com [ 4.936785] intel_pstate: Intel P-state driver initializing [ 4.937838] intel_pstate: HWP enabled [ 4.937884] sdhci: Secure Digital Host Controller Interface driver [ 4.937885] sdhci: Copyright(c) Pierre Ossman [ 4.937927] sdhci-pci 0000:00:1e.4: SDHCI controller found [8086:9d2b] (rev 21) [ 4.939196] mmc0: SDHCI controller on PCI [0000:00:1e.4] using ADMA 64-bit [ 4.939404] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 4.940850] hid: raw HID events driver (C) Jiri Kosina [ 4.945351] i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device [ 4.951448] usbcore: registered new interface driver usbhid [ 5.025303] 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 [ 5.028392] usbhid: USB HID core driver [ 5.028822] input: Tablet Mode Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/GOOG0006:00/input/input3 [ 5.146126] mmc0: new HS400 MMC card at address 0001 [ 5.154234] cros_ec_lpcs GOOG0004:00: Chrome EC device registered [ 5.157963] mmcblk0: mmc0:0001 DA4064 58.2 GiB [ 5.163520] snd_hda_intel 0000:00:1f.3: DSP detected with PCI class/subclass/prog-if info 0x040100 [ 5.169864] mmcblk0boot0: mmc0:0001 DA4064 partition 1 4.00 MiB [ 5.175659] netem: version 1.3 [ 5.179216] mmcblk0boot1: mmc0:0001 DA4064 partition 2 4.00 MiB [ 5.183715] ipip: IPv4 and MPLS over IPv4 tunneling driver [ 5.190796] mmcblk0rpmb: mmc0:0001 DA4064 partition 3 16.0 MiB, chardev (246:0) [ 5.197043] gre: GRE over IPv4 demultiplexor driver [ 5.210982] mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12 [ 5.213438] ip_gre: GRE over IPv4 tunneling driver [ 5.264317] usb 1-3: new full-speed USB device number 2 using xhci_hcd [ 5.268396] IPv4 over IPsec tunneling driver [ 5.472715] usb 1-3: New USB device found, idVendor=8087, idProduct=0a2a, bcdDevice= 0.03 [ 5.478383] Initializing XFRM netlink socket [ 5.485420] usb 1-3: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 5.512685] NET: Registered protocol family 10 [ 5.518527] Segment Routing with IPv6 [ 5.524120] ip6_gre: GRE over IPv6 tunneling driver [ 5.529697] snd_hda_intel 0000:00:1f.3: bound 0000:00:02.0 (ops i915_audio_component_bind_ops) [ 5.529980] NET: Registered protocol family 17 [ 5.544545] Key type dns_resolver registered [ 5.550092] microcode: sig=0x806e9, pf=0x10, revision=0x98 [ 5.556270] usb 2-3: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 5.556271] microcode: Microcode Update Driver: v2.2. [ 5.556285] IPI shorthand broadcast: enabled [ 5.556313] sched_clock: Marking stable (5469347017, 86928090)->(5569611948, -13336841) [ 5.559328] snd_hda_intel 0000:00:1f.3: Cannot probe codecs, giving up [ 5.577223] usb 2-3: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=31.00 [ 5.600064] usb 2-3: New USB device strings: Mfr=1, Product=2, SerialNumber=6 [ 5.600219] registered taskstats version 1 [ 5.608054] usb 2-3: Product: USB 10/100/1000 LAN [ 5.608057] usb 2-3: Manufacturer: Realtek [ 5.612647] Loading compiled-in X.509 certificates [ 5.617903] usb 2-3: SerialNumber: 001000001 [ 5.634562] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.644041] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.653169] PM: Magic number: 14:784:157 [ 5.657862] acpi device:24: hash matches [ 5.662414] printk: console [netcon0] enabled [ 5.667315] netconsole: network logging started [ 5.691525] usb 1-9: new high-speed USB device number 3 using xhci_hcd [ 5.859895] usb 1-9: New USB device found, idVendor=13d3, idProduct=56d4, bcdDevice=18.07 [ 5.869098] usb 1-9: New USB device strings: Mfr=3, Product=1, SerialNumber=2 [ 5.877105] usb 1-9: Product: USB2.0 HD UVC WebCam [ 5.882488] usb 1-9: Manufacturer: Azurewave [ 5.887301] usb 1-9: SerialNumber: 0x0001 [ 5.898678] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.944522] usb 2-3: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 5.970708] r8152 2-3:1.0: Direct firmware load for rtl_nic/rtl8153b-2.fw failed with error -2 [ 5.980492] r8152 2-3:1.0: unable to load firmware patch rtl_nic/rtl8153b-2.fw (-2) [ 6.020911] r8152 2-3:1.0 eth0: v1.11.11 [ 6.025987] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.026788] IP-Config: Failed to open gretap0 [ 6.039063] IP-Config: Failed to open erspan0 [ 6.060521] Sending DHCP requests . [ 7.647317] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready [ 7.658633] r8152 2-3:1.0 eth0: carrier on [ 7.983224] DHCP/BOOTP: Reply not for us on eth0, op[2] xid[28ca82f7] [ 7.990778] DHCP/BOOTP: Reply not for us on eth0, op[2] xid[28ca82f7] [ 8.484438] ., OK [ 8.492717] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.11 [ 8.501707] IP-Config: Complete: [ 8.505346] device=eth0, hwaddr=00:e0:4c:68:01:e7, ipaddr=192.168.201.11, mask=255.255.255.0, gw=192.168.201.1 [ 8.517034] host=asus-C433TA-AJ0005-rammus-cbg-1, domain=lava-rack, nis-domain=(none) [ 8.526286] bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath= [ 8.526291] nameserver0=192.168.201.1 [ 8.539101] cfg80211: Loading compiled-in X.509 certificates for regulatory database [ 8.550334] modprobe (99) used greatest stack depth: 14208 bytes left [ 8.553098] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' [ 8.565095] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 [ 8.565370] ALSA device list: [ 8.574792] cfg80211: failed to load regulatory.db [ 8.578144] No soundcards found. [ 8.587665] dw-apb-uart dw-apb-uart.2: forbid DMA for kernel console [ 8.597303] Freeing unused kernel image (initmem) memory: 1688K [ 8.611547] Write protecting the kernel read-only data: 26624k [ 8.619079] Freeing unused kernel image (text/rodata gap) memory: 2028K [ 8.626755] Freeing unused kernel image (rodata/data gap) memory: 152K [ 8.634126] Run /init as init process [ 8.642539] cat (109) used greatest stack depth: 13928 bytes left Loading, please wait... Starting version 247.3-7 [ 8.702866] udevadm (123) used greatest stack depth: 13576 bytes left [ 8.835619] cros-usbpd-notify-acpi GOOG0003:00: Couldn't get Chrome EC device pointer. [ 8.851116] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 8.870063] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 8.920920] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 8.931667] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 8.946038] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 8.956054] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) Begin: Loading essential drivers ... done. Begin: Running /scripts/init-premount ... done. Begin: Mounting root file system ... Begin: Running /scripts/nfs-top ... done. Begin: Running /scripts/nfs-premount ... done. IP-Config: gretap0 hardware address 00:00:00:00:00:00 mtu 1462 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: erspan0 hardware address 00:00:00:00:00:00 mtu 1450 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: eth0 hardware address 00:e0:4c:68:01:e7 mtu 1500 DHCP IP-Config: eth0 complete (dhcp from 192.168.201.1): address: 192.168.201[ 9.073664] ipconfig (159) used greatest stack depth: 13464 bytes left .11 broadcast: 192.168.201.255 netmask: 255.255.255.0 gateway: 192.168.201.1 dns0 : 192.168.201.1 dns1 : 0.0.0.0 host : asus-C433TA-AJ0005-rammus-cbg-1 domain : lava-rack rootserver: 192.168.201.1 rootpath: filename : [ 9.151745] nfsmount (160) used greatest stack depth: 12680 bytes left done. Begin: Running /scripts/nfs-bottom ... done. Begin: Running /scripts/init-bottom ... done. SELinux: Could not open policy file <= /etc/selinux/targeted/policy/policy.33: No such file or directory [ 10.376487] systemd[1]: systemd 247.3-7 running in system mode. (+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 +ZSTD +SECCOMP +BLKID +ELFUTILS +KMOD +IDN2 -IDN +PCRE2 default-hierarchy=unified) [ 10.413580] systemd[1]: Detected architecture x86-64. Welcome to [1mDebian GNU/Linux 11 (bullseye)[0m! [ 10.441784] systemd[1]: Set hostname to . [ 10.858432] systemd[1]: Queued start job for default target Graphical Interface. [ 10.869821] systemd[1]: Created slice system-getty.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-getty.slice[0m. [ 10.886022] systemd[1]: Created slice system-modprobe.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-modprobe.slice[0m. [ 10.902023] systemd[1]: Created slice system-serial\x2dgetty.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-serial\x2dgetty.slice[0m. [ 10.918974] systemd[1]: Created slice User and Session Slice. [[0;32m OK [0m] Created slice [0;1;39mUser and Session Slice[0m. [ 10.934948] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [[0;32m OK [0m] Started [0;1;39mDispatch Password …ts to Console Directory Watch[0m. [ 10.953865] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [[0;32m OK [0m] Started [0;1;39mForward Password R…uests to Wall Directory Watch[0m. [ 10.976082] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point. [[0;32m OK [0m] Set up automount [0;1;39mArbitrary…s File System Automount Point[0m. [ 10.996766] systemd[1]: Reached target Local Encrypted Volumes. [[0;32m OK [0m] Reached target [0;1;39mLocal Encrypted Volumes[0m. [ 11.012653] systemd[1]: Reached target Paths. [[0;32m OK [0m] Reached target [0;1;39mPaths[0m. [ 11.023613] systemd[1]: Reached target Remote File Systems. [[0;32m OK [0m] Reached target [0;1;39mRemote File Systems[0m. [ 11.039710] systemd[1]: Reached target Slices. [[0;32m OK [0m] Reached target [0;1;39mSlices[0m. [ 11.053714] systemd[1]: Reached target Swap. [[0;32m OK [0m] Reached target [0;1;39mSwap[0m. [ 11.065138] systemd[1]: Listening on initctl Compatibility Named Pipe. [[0;32m OK [0m] Listening on [0;1;39minitctl Compatibility Named Pipe[0m. [ 11.082892] systemd[1]: Listening on Journal Audit Socket. [[0;32m OK [0m] Listening on [0;1;39mJournal Audit Socket[0m. [ 11.099961] systemd[1]: Listening on Journal Socket (/dev/log). [[0;32m OK [0m] Listening on [0;1;39mJournal Socket (/dev/log)[0m. [ 11.117570] systemd[1]: Listening on Journal Socket. [[0;32m OK [0m] Listening on [0;1;39mJournal Socket[0m. [ 11.133842] systemd[1]: Listening on Network Service Netlink Socket. [[0;32m OK [0m] Listening on [0;1;39mNetwork Service Netlink Socket[0m. [ 11.152888] systemd[1]: Listening on udev Control Socket. [[0;32m OK [0m] Listening on [0;1;39mudev Control Socket[0m. [ 11.169327] systemd[1]: Listening on udev Kernel Socket. [[0;32m OK [0m] Listening on [0;1;39mudev Kernel Socket[0m. [ 11.187861] systemd[1]: Mounting Huge Pages File System... Mounting [0;1;39mHuge Pages File System[0m... [ 11.203446] systemd[1]: Mounting POSIX Message Queue File System... Mounting [0;1;39mPOSIX Message Queue File System[0m... [ 11.221185] systemd[1]: Mounting Kernel Debug File System... Mounting [0;1;39mKernel Debug File System[0m... [ 11.237877] systemd[1]: Mounting Kernel Trace File System... Mounting [0;1;39mKernel Trace File System[0m... [ 11.252748] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting [0;1;39mCreate list of st…odes for the current kernel[0m... [ 11.272687] systemd[1]: Starting Load Kernel Module configfs... Starting [0;1;39mLoad Kernel Module configfs[0m... [ 11.289741] systemd[1]: Starting Load Kernel Module drm... Starting [0;1;39mLoad Kernel Module drm[0m... [ 11.305981] systemd[1]: Starting Load Kernel Module fuse... Starting [0;1;39mLoad Kernel Module fuse[0m... [ 11.340841] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. [ 11.351223] fuse: init (API version 7.32) [ 11.357076] systemd[1]: Starting Journal Service... Starting [0;1;39mJournal Service[0m... [ 11.374445] systemd[1]: Starting Load Kernel Modules... Starting [0;1;39mLoad Kernel Modules[0m... [ 11.388102] systemd[1]: Starting Remount Root and Kernel File Systems... Starting [0;1;39mRemount Root and Kernel File Systems[0m... [ 11.406899] systemd[1]: Starting Coldplug All udev Devices... Starting [0;1;39mColdplug All udev Devices[0m... [ 11.423147] systemd[1]: Mounted Huge Pages File System. [[0;32m OK [0m] Mounted [0;1;39mHuge Pages File System[0m. [ 11.438677] systemd[1]: Mounted POSIX Message Queue File System. [[0;32m OK [0m] Mounted [0;1;39mPOSIX Message Queue File System[0m. [ 11.454839] systemd[1]: Mounted Kernel Debug File System. [[0;32m OK [0m] Mounted [0;1;39mKernel Debug File System[0m. [ 11.470672] systemd[1]: Mounted Kernel Trace File System. [[0;32m OK [0m] Mounted [0;1;39mKernel Trace File System[0m. [ 11.487444] systemd[1]: Finished Create list of static device nodes for the current kernel. [[0;32m OK [0m] Finished [0;1;39mCreate list of st… nodes for the current kernel[0m. [ 11.506889] systemd[1]: Started Journal Service. [[0;32m OK [0m] Started [0;1;39mJournal Service[0m. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module configfs[0m. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module drm[0m. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module fuse[0m. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Modules[0m. [[0;32m OK [0m] Finished [0;1;39mRemount Root and Kernel File Systems[0m. Mounting [0;1;39mFUSE Control File System[0m... Mounting [0;1;39mKernel Configuration File System[0m... Starting [0;1;39mFlush Journal to Persistent Storage[0m... Starting [0;1;39mLoad/Save Random Seed[0m... Starting [0;1;39mApply Kernel Variables[0m... [ 11.626996] systemd-journald[194]: Received client request to flush runtime journal. Starting [0;1;39mCreate System Users[0m... [[0;32m OK [0m] Mounted [0;1;39mFUSE Control File System[0m. [[0;32m OK [0m] Mounted [0;1;39mKernel Configuration File System[0m. [[0;32m OK [0m] Finished [0;1;39mLoad/Save Random Seed[0m. [[0;32m OK [0m] Finished [0;1;39mApply Kernel Variables[0m. [[0;32m OK [0m] Finished [0;1;39mColdplug All udev Devices[0m. [[0;32m OK [0m] Finished [0;1;39mCreate System Users[0m. Starting [0;1;39mCreate Static Device Nodes in /dev[0m... [[0;32m OK [0m] Finished [0;1;39mFlush Journal to Persistent Storage[0m. [ 13.142299] systemd-tmpfile (207) used greatest stack depth: 12528 bytes left [[0;32m OK [0m] Finished [0;1;39mCreate Static Device Nodes in /dev[0m. [[0;32m OK [0m] Reached target [0;1;39mLocal File Systems (Pre)[0m. [[0;32m OK [0m] Reached target [0;1;39mLocal File Systems[0m. Starting [0;1;39mCreate Volatile Files and Directories[0m... Starting [0;1;39mRule-based Manage…for Device Events and Files[0m... [[0;32m OK [0m] Started [0;1;39mRule-based Manager for Device Events and Files[0m. Starting [0;1;39mNetwork Service[0m... [[0;32m OK [0m] Finished [0;1;39mCreate Volatile Files and Directories[0m. Starting [0;1;39mUpdate UTMP about System Boot/Shutdown[0m... [[0;32m OK [0m] Finished [0;1;39mUpdate UTMP about System Boot/Shutdown[0m. [[0;32m OK [0m] Found device [0;1;39mSunrise Point-LP Serial IO UART Controller[0m. [[0;32m OK [0m] Reached target [0;1;39mSystem Initialization[0m. [[0;32m OK [0m] Started [0;1;39mDaily apt download activities[0m. [[0;32m OK [0m] Started [0;1;39mDaily apt upgrade and clean activities[0m. [[0;32m OK [0m] Started [0;1;39mPeriodic ext4 Onli…ata Check for All Filesystems[0m. [[0;32m OK [0m] Started [0;1;39mDiscard unused blocks once a week[0m. [[0;32m OK [0m] Started [0;1;39mDaily Cleanup of Temporary Directories[0m. [[0;32m OK [0m] Reached target [0;1;39mTimers[0m. [[0;32m OK [0m] Listening on [0;1;39mD-Bus System Message Bus Socket[0m. [[0;32m OK [0m] Reached target [0;1;39mSockets[0m. [[0;32m OK [0m] Reached target [0;1;39mBasic System[0m. [[0;32m OK [0m] Started [0;1;39mD-Bus System Message Bus[0m. Starting [0;1;39mRemove Stale Onli…t4 Metadata Check Snapshots[0m... Starting [0;1;39mUser Login Management[0m... [[0;32m OK [0m] Started [0;1;39mNetwork Service[0m. [[0;32m OK [0m] Created slice [0;1;39msystem-systemd\x2dbacklight.slice[0m. [[0;32m OK [0m] Listening on [0;1;39mLoad/Save RF …itch Status /dev/rfkill Watch[0m. Starting [0;1;39mLoad/Save Screen …f backlight:intel_backlight[0m... Starting [0;1;39mNetwork Name Resolution[0m... [[0;32m OK [0m] Finished [0;1;39mLoad/Save Screen … of backlight:intel_backlight[0m. [[0;32m OK [0m] Finished [0;1;39mRemove Stale Onli…ext4 Metadata Check Snapshots[0m. [[0;32m OK [0m] Started [0;1;39mUser Login Management[0m. [[0;32m OK [0m] Started [0;1;39mNetwork Name Resolution[0m. [[0;32m OK [0m] Reached target [0;1;39mNetwork[0m. [[0;32m OK [0m] Reached target [0;1;39mHost and Network Name Lookups[0m. Starting [0;1;39mPermit User Sessions[0m... [[0;32m OK [0m] Finished [0;1;39mPermit User Sessions[0m. [[0;32m OK [0m] Started [0;1;39mGetty on tty1[0m. [[0;32m OK [0m] Started [0;1;39mSerial Getty on ttyS0[0m. [[0;32m OK [0m] Reached target [0;1;39mLogin Prompts[0m. [[0;32m OK [0m] Reached target [0;1;39mMulti-User System[0m. [[0;32m OK [0m] Reached target [0;1;39mGraphical Interface[0m. Starting [0;1;39mUpdate UTMP about System Runlevel Changes[0m... [[0;32m OK [0m] Finished [0;1;39mUpdate UTMP about System Runlevel Changes[0m. Debian GNU/Linux 11 debian-bullseye-amd64 ttyS0 debian-bullseye-amd64 login: root (automatic login) Linux debian-bullseye-amd64 5.10.129-cip12 #1 SMP Tue Jul 26 02:09:28 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/6889273/extract-nfsrootfs-q5mqsl9b' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/6889273/extract-nfsrootfs-q5mqsl9b' / # 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-6889273/environment . /lava-6889273/environment / # /lava-6889273/bin/lava-test-runner /lava-6889273/0 /lava-6889273/bin/lava-test-runner /lava-6889273/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-6889273/0/tests/0_timesync-off ++ cat uuid + UUID=6889273_1.5.2.3.1 + set +x + systemctl stop systemd-timesyncd Failed to stop systemd-timesyncd.service: Unit systemd-timesyncd.service not loaded. + true + set +x + export TESTRUN_ID=1_kselftest-lkdtm + TESTRUN_ID=1_kselftest-lkdtm + cd /lava-6889273/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=6889273_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/v5.10.129-cip12-12-g93db31b19404/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-6889273/0/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. --2022-07-26 02:12:02-- http://storage.kernelci.org/cip/linux-5.10.y-cip/v5.10.129-cip12-12-g93db31b19404/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: 3537820 (3.4M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 1%[ ] 50.15K 175KB/s kselftest.tar.xz 4%[ ] 164.69K 280KB/s kselftest.tar.xz 14%[=> ] 484.27K 560KB/s kselftest.tar.xz 21%[===> ] 740.21K 642KB/s kselftest.tar.xz 29%[====> ] 1013K 702KB/s kselftest.tar.xz 37%[======> ] 1.27M 752KB/s kselftest.tar.xz 46%[========> ] 1.56M 791KB/s kselftest.tar.xz 55%[==========> ] 1.86M 827KB/s kselftest.tar.xz 64%[===========> ] 2.17M 858KB/s kselftest.tar.xz 73%[=============> ] 2.49M 884KB/s kselftest.tar.xz 83%[===============> ] 2.81M 929KB/s eta 1s kselftest.tar.xz 88%[================> ] 2.98M 918KB/s eta 1s kselftest.tar.xz 97%[==================> ] 3.29M 957KB/s eta 1s kselftest.tar.xz 100%[===================>] 3.37M 954KB/s in 3.6s 2022-07-26 02:12:06 (954 KB/s) - 'kselftest.tar.xz' saved [3537820/3537820] tar: ./size/get_size: time stamp 2022-07-26 02:14:03 is 116.603173609 s in the future tar: ./size: time stamp 2022-07-26 02:14:15 is 128.602008618 s in the future tar: ./ptrace/vmaccess: time stamp 2022-07-26 02:14:00 is 113.596339701 s in the future tar: ./ptrace/peeksiginfo: time stamp 2022-07-26 02:14:00 is 113.592731336 s in the future tar: ./ptrace/get_syscall_info: time stamp 2022-07-26 02:14:00 is 113.58704948 s in the future tar: ./ptrace: time stamp 2022-07-26 02:14:14 is 127.586027905 s in the future tar: ./lib: time stamp 2022-07-26 02:14:13 is 126.576702261 s in the future tar: ./filesystems/devpts_pts: time stamp 2022-07-26 02:13:40 is 93.572009573 s in the future tar: ./filesystems/dnotify_test: time stamp 2022-07-26 02:13:40 is 93.5683534 s in the future tar: ./filesystems/epoll/epoll_wakeup_test: time stamp 2022-07-26 02:13:42 is 95.539385861 s in the future tar: ./filesystems/epoll: time stamp 2022-07-26 02:14:12 is 125.538262089 s in the future tar: ./filesystems/binderfs/binderfs_test: time stamp 2022-07-26 02:14:12 is 125.53118116 s in the future tar: ./filesystems/binderfs: time stamp 2022-07-26 02:14:12 is 125.53015001 s in the future tar: ./filesystems: time stamp 2022-07-26 02:14:12 is 125.529108024 s in the future tar: ./vm/protection_keys_32: time stamp 2022-07-26 02:14:06 is 119.521251955 s in the future tar: ./vm/thuge-gen: time stamp 2022-07-26 02:14:05 is 118.517093595 s in the future tar: ./vm/mlock-random-test: time stamp 2022-07-26 02:14:05 is 118.513353432 s in the future tar: ./vm/hmm-tests: time stamp 2022-07-26 02:14:05 is 118.499835883 s in the future tar: ./vm/transhuge-stress: time stamp 2022-07-26 02:14:06 is 119.495255009 s in the future tar: ./vm/gup_benchmark: time stamp 2022-07-26 02:14:04 is 117.490223973 s in the future tar: ./vm/on-fault-limit: time stamp 2022-07-26 02:14:05 is 118.481604536 s in the future tar: ./vm/khugepaged: time stamp 2022-07-26 02:14:06 is 119.475065651 s in the future tar: ./vm/map_fixed_noreplace: time stamp 2022-07-26 02:14:05 is 118.470141238 s in the future tar: ./vm/hugepage-shm: time stamp 2022-07-26 02:14:05 is 118.46518637 s in the future tar: ./vm/protection_keys_64: time stamp 2022-07-26 02:14:06 is 119.456224462 s in the future tar: ./vm/userfaultfd: time stamp 2022-07-26 02:14:06 is 119.448223122 s in the future tar: ./vm/compaction_test: time stamp 2022-07-26 02:14:04 is 117.442725885 s in the future tar: ./vm/mremap_dontunmap: time stamp 2022-07-26 02:14:05 is 118.437207337 s in the future tar: ./vm/write_to_hugetlbfs: time stamp 2022-07-26 02:14:06 is 119.431633499 s in the future tar: ./vm/map_populate: time stamp 2022-07-26 02:14:05 is 118.426596831 s in the future tar: ./vm/hugepage-mmap: time stamp 2022-07-26 02:14:05 is 118.418183341 s in the future tar: ./vm/va_128TBswitch: time stamp 2022-07-26 02:14:06 is 119.412509273 s in the future tar: ./vm/virtual_address_range: time stamp 2022-07-26 02:14:06 is 119.407222648 s in the future tar: ./vm/map_hugetlb: time stamp 2022-07-26 02:14:05 is 118.402195912 s in the future tar: ./vm/mlock2-tests: time stamp 2022-07-26 02:14:05 is 118.396585491 s in the future tar: ./vm: time stamp 2022-07-26 02:14:16 is 129.395033951 s in the future tar: ./sysctl: time stamp 2022-07-26 02:14:15 is 128.386345366 s in the future tar: ./pid_namespace/regression_enomem: time stamp 2022-07-26 02:14:00 is 113.377878122 s in the future tar: ./pid_namespace: time stamp 2022-07-26 02:14:14 is 127.376318497 s in the future tar: ./x86/test_FCMOV_32: time stamp 2022-07-26 02:14:07 is 120.369187662 s in the future tar: ./x86/iopl_64: time stamp 2022-07-26 02:14:07 is 120.363010872 s in the future tar: ./x86/test_mremap_vdso_64: time stamp 2022-07-26 02:14:07 is 120.357372936 s in the future tar: ./x86/syscall_arg_fault_64: time stamp 2022-07-26 02:14:07 is 120.35127246 s in the future tar: ./x86/sigreturn_64: time stamp 2022-07-26 02:14:07 is 120.342470164 s in the future tar: ./x86/single_step_syscall_32: time stamp 2022-07-26 02:14:07 is 120.336574026 s in the future tar: ./x86/sysret_rip_64: time stamp 2022-07-26 02:14:07 is 120.329656206 s in the future tar: ./x86/syscall_numbering_64: time stamp 2022-07-26 02:14:07 is 120.324276351 s in the future tar: ./x86/sysret_ss_attrs_32: time stamp 2022-07-26 02:14:07 is 120.319463273 s in the future tar: ./x86/syscall_nt_32: time stamp 2022-07-26 02:14:07 is 120.314405106 s in the future tar: ./x86/test_mremap_vdso_32: time stamp 2022-07-26 02:14:07 is 120.309150908 s in the future tar: ./x86/vdso_restorer_32: time stamp 2022-07-26 02:14:07 is 120.304338539 s in the future tar: ./x86/ptrace_syscall_64: time stamp 2022-07-26 02:14:07 is 120.298504144 s in the future tar: ./x86/mov_ss_trap_32: time stamp 2022-07-26 02:14:07 is 120.292654755 s in the future tar: ./x86/iopl_32: time stamp 2022-07-26 02:14:07 is 120.286907822 s in the future tar: ./x86/ldt_gdt_64: time stamp 2022-07-26 02:14:07 is 120.278713368 s in the future tar: ./x86/test_vdso_64: time stamp 2022-07-26 02:14:07 is 120.272216227 s in the 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======================================== 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 ======================================== [ 48.897731] 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 [ 49.093191] lkdtm: Performing direct entry BUG [ 49.098255] ------------[ cut here ]------------ [ 49.103422] kernel BUG at drivers/misc/lkdtm/bugs.c:76! [ 49.109331] invalid opcode: 0000 [#1] SMP PTI [ 49.114199] CPU: 0 PID: 720 Comm: cat Not tainted 5.10.129-cip12 #1 [ 49.121198] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 49.127994] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 49.132367] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 19 70 02 [ 49.153361] RSP: 0018:ffffc080c13ffe60 EFLAGS: 00010286 [ 49.159194] RAX: ffffffff9a8b1b30 RBX: 0000000000000001 RCX: 0000000000000000 [ 49.167153] RDX: 0000000000000000 RSI: ffffa2ae7ac1bf70 RDI: ffffffff9b4d9a70 [ 49.175119] RBP: ffffffff9b91b088 R08: 0000000000000001 R09: 0000000000000001 [ 49.183085] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 49.191054] R13: ffffc080c13fff10 R14: ffffc080c13fff10 R15: ffffa2ae0327f000 [ 49.199021] FS: 00007f933177d580(0000) GS:ffffa2ae7ac00000(0000) knlGS:0000000000000000 [ 49.208058] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.214470] CR2: 00007f9331596000 CR3: 0000000103674006 CR4: 00000000003706f0 [ 49.222437] Call Trace: [ 49.225162] direct_entry.cold+0x2c/0x38 [ 49.229539] full_proxy_write+0x56/0x80 [ 49.233819] vfs_write+0xea/0x390 [ 49.237506] ksys_write+0x68/0xe0 [ 49.241202] do_syscall_64+0x33/0x40 [ 49.245181] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 49.250820] RIP: 0033:0x7f93316a5f33 [ 49.254808] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 49.275778] RSP: 002b:00007ffff4c40148 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 49.284231] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f93316a5f33 [ 49.292198] RDX: 0000000000000004 RSI: 00007f9331596000 RDI: 0000000000000001 [ 49.300164] RBP: 00007f9331596000 R08: 00007f9331595010 R09: 0000000000000000 [ 49.308130] R10: 00007f93317a01c0 R11: 0000000000000246 R12: 0000000000000001 [ 49.316096] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 49.324066] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 49.350600] ---[ end trace 0e9ee7a379cc4f52 ]--- [ 49.355803] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 49.360227] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 19 70 02 [ 49.381233] RSP: 0018:ffffc080c13ffe60 EFLAGS: 00010286 [ 49.387125] RAX: ffffffff9a8b1b30 RBX: 0000000000000001 RCX: 0000000000000000 [ 49.395142] RDX: 0000000000000000 RSI: ffffa2ae7ac1bf70 RDI: ffffffff9b4d9a70 [ 49.403165] RBP: ffffffff9b91b088 R08: 0000000000000001 R09: 0000000000000001 [ 49.411176] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 49.419177] R13: ffffc080c13fff10 R14: ffffc080c13fff10 R15: ffffa2ae0327f000 [ 49.427174] FS: 00007f933177d580(0000) GS:ffffa2ae7ac00000(0000) knlGS:0000000000000000 [ 49.436235] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.442680] CR2: 00007f9331596000 CR3: 0000000103674006 CR4: 00000000003706f0 # Segmentation fault # [ 49.093191] lkdtm: Performing direct entry BUG # [ 49.098255] ------------[ cut here ]------------ # [ 49.103422] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 49.109331] invalid opcode: 0000 [#1] SMP PTI # [ 49.114199] CPU: 0 PID: 720 Comm: cat Not tainted 5.10.129-cip12 #1 # [ 49.121198] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 49.127994] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 49.132367] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 [ 49.542428] lkdtm: Performing direct entry WARNING cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00[ 49.548065] ------------[ cut here ]------------ 00 00 00 0f 1f 44 00 00 83 05 e0 19 70 02 # [ 49.153361] RSP[ 49.559427] WARNING: CPU: 2 PID: 756 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0xf/0x20 : 0018:ffffc080c13ffe60 EFLAGS: 00010286 # [ 49.159194] RAX: [ 49.574967] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify ffffffff9a8b1b30 RBX: 0000000000000001 RCX: 0000000000000000 # [ 49.607598] CPU: 2 PID: 756 Comm: cat Tainted: G D 5.10.129-cip12 #1 [ 49.622361] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 49.629167] RIP: 0010:lkdtm_WARNING+0xf/0x20 [ 49.167153] RDX: 0000000000000000 RSI: ffffa2ae7ac1bf70 RDI: [ 49.633935] Code: ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 0f 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 19 70 02 01 75 01 c3 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 0f 1f 44 00 00 [ 49.661123] RSP: 0018:ffffc080c14bfe60 EFLAGS: 00010202 ffffffff9b4d9a70 # [ 49.175119] RBP: ffffffff9b91b088 R08: 00[ 49.666959] RAX: ffffffff9a8b1b40 RBX: 0000000000000002 RCX: 0000000000000000 [ 49.681141] RDX: 0000000000000000 RSI: ffffa2ae7ad1bf70 RDI: ffffffff9b4d9a80 00000000000001 R09: 0000000000000001 # [ 49.183085] R10: 0000[ 49.689112] RBP: ffffffff9b8bfc97 R08: 0000000000000000 R09: 0000000000000000 [ 49.703312] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 0000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ [ 49.711307] R13: ffffc080c14bff10 R14: ffffc080c14bff10 R15: ffffa2ae05525000 [ 49.725486] FS: 00007f763a82a580(0000) GS:ffffa2ae7ad00000(0000) knlGS:0000000000000000 49.191054] R13: ffffc080c13fff10 R14: ffffc080c13fff10 R15: ffff[ 49.734523] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 a2ae0327f000 # [ 49.199021] FS: 00007f933177d580(0000) GS:ff[ 49.747153] CR2: 00007f763a643000 CR3: 0000000105dc6005 CR4: 00000000003706e0 ffa2ae7ac00000(0000) knlGS:0000000000000000 # [ 49.208058] CS[ 49.761336] Call Trace: : 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 49.214470[ 49.770324] direct_entry.cold+0x2c/0x38 ] CR2: 00007f9331596000 CR3: 0000000103674006 CR4: 0000000000370[ 49.780920] full_proxy_write+0x56/0x80 6f0 # [ 49.222437] Call Trace: # [ 49.225162] direct_entr[ 49.791413] vfs_write+0xea/0x390 y.cold+0x2c/0x38 # [ 49.229539] full_proxy_write+0x56/0x80 [ 49.801346] ksys_write+0x68/0xe0 # [ 49.233819] vfs_write+0xea/0x390 # [ 49.237506] ksys_w[ 49.811261] do_syscall_64+0x33/0x40 rite+0x68/0xe0 # [ 49.241202] do_syscall_64+0x33/0x40 # [ [ 49.821447] entry_SYSCALL_64_after_hwframe+0x44/0xa9 49.245181] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 49.[ 49.833311] RIP: 0033:0x7f763a752f33 [ 49.843514] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 250820] RIP: 0033:0x7f93316a5f33 # [ 49.254808] Code: 8b 15 6[ 49.864495] RSP: 002b:00007ffe5e15af58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 49.879161] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f763a752f33 1 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64[ 49.887133] RDX: 0000000000000008 RSI: 00007f763a643000 RDI: 0000000000000001 [ 49.901311] RBP: 00007f763a643000 R08: 00007f763a642010 R09: 0000000000000000 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 0[ 49.909300] R10: 00007f763a84d1c0 R11: 0000000000000246 R12: 0000000000000001 [ 49.923460] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ [ 49.931434] irq event stamp: 0 [ 49.941055] hardirqs last enabled at (0): [<0000000000000000>] 0x0 49.275778] RSP: 002b:00007ffff4c40148 EFLAGS: 00000246 ORIG_RA[ 49.948057] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 49.963406] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 X: 0000000000000001 # [ 49.284231] RAX: ffffffffffffffda RBX:[ 49.972542] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 49.985749] ---[ end trace 0e9ee7a379cc4f53 ]--- 0000000000000004 RCX: 00007f93316a5f33 # [ 49.292198] RDX: 0000000000000004 RSI: 00007f9331596000 RDI: 0000000000000001 # [ 49.300164] RBP: 00007f9331596000 R08: 00007f9331595010 R09: 0000000000000000 # [ 49.308130] R10: 00007f93317a01c0 R11: 0000000000000246 R12: 0000000000000001 # [ 49.316096] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 49.324066] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_deb[ 50.045098] lkdtm: Performing direct entry WARNING_MESSAGE ugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usb[ 50.053000] ------------[ cut here ]------------ pd_notify # [ 49.350600] ---[ end trace 0e9ee7a379cc4f52 ]---[ 50.064390] Warning message trigger count: 2 # [ 49.355803] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 49.360227[ 50.075352] WARNING: CPU: 0 PID: 791 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 ] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff[ 50.091792] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 [ 50.124409] CPU: 0 PID: 791 Comm: cat Tainted: G D W 5.10.129-cip12 #1 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0[ 50.139181] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 19 70 02 # [ 49.381233] RSP: 0018:ffffc080c13ffe60 EFLAGS: 0[ 50.152208] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 0010286 # [ 49.387125] RAX: ffffffff9a8b1b30 RBX: 00000000000[ 50.164158] Code: 1f 84 00 00 00 00 00 0f 1f 00 0f 1f 44 00 00 8b 05 c1 19 70 02 48 c7 c7 f8 01 8c 9b 8d 70 01 89 35 b1 19 70 02 e8 d6 98 61 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 0f 1f 44 00 00 c7 00001 RCX: 0000000000000000 # [ 49.395142] RDX: 0000000000000[ 50.191313] RSP: 0018:ffffc080c152fe60 EFLAGS: 00010286 000 RSI: ffffa2ae7ac1bf70 RDI: ffffffff9b4d9a70 # [ 49.403165[ 50.203421] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 ] RBP: ffffffff9b91b088 R08: 0000000000000001 R09: 0000000000000[ 50.217599] RDX: ffffa2ae7ac2c660 RSI: ffffa2ae7ac1bf70 RDI: ffffa2ae7ac1bf70 001 # [ 49.411176] R10: 00000000ffffe000 R11: 3ffffffffffffff[ 50.231821] RBP: ffffffff9b8bfc9f R08: 0000000000000000 R09: 0000000000000000 f R12: 0000000000000004 # [ 49.419177] R13: ffffc080c13fff10 [ 50.246001] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 R14: ffffc080c13fff10 R15: ffffa2ae0327f000 # [ 49.427174] FS[ 50.260193] R13: ffffc080c152ff10 R14: ffffc080c152ff10 R15: ffffa2ae0265f000 : 00007f933177d580(0000) GS:ffffa2ae7ac00000(0000) knlGS:000000[ 50.274413] FS: 00007f3da45f3580(0000) GS:ffffa2ae7ac00000(0000) knlGS:0000000000000000 0000000000 # [ 49.436235] CS: 0010 DS: 0000 ES: 0000 CR0: 00[ 50.289700] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 00000080050033 # [ 49.442680] CR2: 00007f9331596000 CR3: 0000[ 50.302331] CR2: 00007f3da440c000 CR3: 0000000104e48004 CR4: 00000000003706f0 000103674006 CR4: 00000000003706f0 # BUG: saw 'kernel BUG at': [ 50.316550] Call Trace: ok ok 2 selftests: lkdtm: BUG.sh # selftests: lkdtm: WARNING.s[ 50.325491] direct_entry.cold+0x2c/0x38 h # [ 49.542428] lkdtm: Performing direct entry WARNING # [ [ 50.336093] full_proxy_write+0x56/0x80 49.548065] ------------[ cut here ]------------ # [ 49.5594[ 50.346581] vfs_write+0xea/0x390 27] WARNING: CPU: 2 PID: 756 at drivers/misc/lkdtm/bugs.c:83 lkd[ 50.356528] ksys_write+0x68/0xe0 tm_WARNING+0xf/0x20 # [ 49.574967] Modules linked in: fuse ip[ 50.366439] do_syscall_64+0x33/0x40 _tables cros_ec_sensors cros_ec_sensors_core industrialio_trigge[ 50.376673] entry_SYSCALL_64_after_hwframe+0x44/0xa9 red_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chard[ 50.388524] RIP: 0033:0x7f3da451bf33 ev cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_[ 50.398757] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 thermal cros_ec_dev cros_usbpd_notify # [ 49.607598] CPU: 2 P[ 50.425957] RSP: 002b:00007fff3c96ceb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 ID: 756 Comm: cat Tainted: G D 5.10.129-cip12 #1[ 50.440634] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f3da451bf33 # [ 49.622361] Hardware name: Google Rammus/Rammus, BIOS 09/[ 50.454817] RDX: 0000000000000010 RSI: 00007f3da440c000 RDI: 0000000000000001 04/2020 # [ 49.629167] RIP: 0010:lkdtm_WARNING+0xf/0x20 # [ [ 50.469031] RBP: 00007f3da440c000 R08: 00007f3da440b010 R09: 0000000000000000 49.633935] Code: ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 [ 50.483211] R10: 00007f3da46161c0 R11: 0000000000000246 R12: 0000000000000001 00 0f 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 19 7[ 50.497425] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0 02 01 75 01 c3 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f [ 50.511614] irq event stamp: 0 1f 00 0f 1f 44 00 00 # [ 49.661123] RSP: 0018:ffffc080c14bfe6[ 50.521267] hardirqs last enabled at (0): [<0000000000000000>] 0x0 0 EFLAGS: 00010202 # [ 49.666959] RAX: ffffffff9a8b1b40 RBX: [ 50.534481] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 0000000000000002 RCX: 0000000000000000 # [ 49.681141] RDX: 00[ 50.549869] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 00000000000000 RSI: ffffa2ae7ad1bf70 RDI: ffffffff9b4d9a80 # [ [ 50.565241] softirqs last disabled at (0): [<0000000000000000>] 0x0 49.689112] RBP: ffffffff9b8bfc97 R08: 0000000000000000 R09: 00[ 50.578480] ---[ end trace 0e9ee7a379cc4f54 ]--- 00000000000000 # [ 49.703312] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 # [ 49.711307] R13: ffffc080c14bff10 R14: ffffc080c14bff10 R15: ffffa2ae05525000 # [ 49.725486] FS: 00007f763a82a580(0000) GS:ffffa2ae7ad00000(0000) knlGS:0000000000000000 # [ 49.734523] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 49.747153] CR2: 00007f763a643000 CR3: 0000000105dc6005 CR4: 00000000003706e0 # [ 49.761336] Call Trace: # [ 49.770324] direct_entry.cold+0x2c/0x38 # [ 49.780920] full_proxy_write+0x56/0x80 # [ 49.791413] vfs_write+0xea/0x390 # [ 49.801346] ksys_write+0x68/0xe0 # [ 49.811261] do_syscall_64+0x33/0x40 # [ 49.821447] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 49.833311] RIP: 0033:0x7f[ 50.664110] lkdtm: Performing direct entry EXCEPTION [ 50.670165] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 50.677945] #PF: supervisor write access in kernel mode [ 50.683776] #PF: error_code(0x0002) - not-present page [ 50.689510] PGD 0 P4D 0 [ 50.692348] Oops: 0002 [#2] SMP PTI [ 50.696241] CPU: 1 PID: 823 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 50.704791] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 50.711593] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 [ 50.716542] Code: 48 c7 c7 f8 01 8c 9b 8d 70 01 89 35 b1 19 70 02 e8 d6 98 61 00 0f 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 0f 1f 44 00 00 04 25 00 00 00 00 00 00 00 00 c3 66 66 2e 0f 1f 84 00 00 00 00 [ 50.737516] RSP: 0018:ffffc080c15afe60 EFLAGS: 00010286 [ 50.743356] RAX: ffffffff9a8b1b90 RBX: 0000000000000004 RCX: 0000000000000000 [ 50.751323] RDX: 0000000000000000 RSI: ffffa2ae7ac9bf70 RDI: ffffffff9b4d9aa0 [ 50.759308] RBP: ffffffff9b7f58a7 R08: 0000000000000000 R09: 0000000000000000 [ 50.767276] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 50.775243] R13: ffffc080c15aff10 R14: ffffc080c15aff10 R15: ffffa2ae04e89000 [ 50.783210] FS: 00007f9c9c1a8580(0000) GS:ffffa2ae7ac80000(0000) knlGS:0000000000000000 [ 50.792244] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.798657] CR2: 0000000000000000 CR3: 0000000103204003 CR4: 00000000003706e0 [ 50.806623] Call Trace: [ 50.809359] direct_entry.cold+0x2c/0x38 [ 50.813736] full_proxy_write+0x56/0x80 [ 50.818013] vfs_write+0xea/0x390 [ 50.821710] ksys_write+0x68/0xe0 [ 50.825407] do_syscall_64+0x33/0x40 [ 50.829395] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 50.835023] RIP: 0033:0x7f9c9c0d0f33 [ 50.839008] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 50.859983] RSP: 002b:00007ffc8c914bf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 50.868436] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f9c9c0d0f33 [ 50.876402] RDX: 000000000000000a RSI: 00007f9c9bfc1000 RDI: 0000000000000001 [ 50.884370] RBP: 00007f9c9bfc1000 R08: 00007f9c9bfc0010 R09: 0000000000000000 [ 50.892350] R10: 00007f9c9c1cb1c0 R11: 0000000000000246 R12: 0000000000000001 [ 50.900321] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 50.908313] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 763a752f33 # [ 49.843514] Code: 8b 15 61 ef 0c 00 f7 d8 64 89[ 50.934735] CR2: 0000000000000000 [ 50.944643] ---[ end trace 0e9ee7a379cc4f55 ]--- [ 50.949787] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 50.954160] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 19 70 02 [ 50.975136] RSP: 0018:ffffc080c13ffe60 EFLAGS: 00010286 [ 50.980967] RAX: ffffffff9a8b1b30 RBX: 0000000000000001 RCX: 0000000000000000 [ 50.988932] RDX: 0000000000000000 RSI: ffffa2ae7ac1bf70 RDI: ffffffff9b4d9a70 [ 50.996899] RBP: ffffffff9b91b088 R08: 0000000000000001 R09: 0000000000000001 [ 51.004865] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 51.012833] R13: ffffc080c13fff10 R14: ffffc080c13fff10 R15: ffffa2ae0327f000 [ 51.020799] FS: 00007f9c9c1a8580(0000) GS:ffffa2ae7ac80000(0000) knlGS:0000000000000000 [ 51.029833] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.036245] CR2: 0000000000000000 CR3: 0000000103204003 CR4: 00000000003706e0 [ 51.044213] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 51.054124] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 823, name: cat [ 51.062481] INFO: lockdep is turned off. [ 51.066856] irq event stamp: 0 [ 51.070259] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 51.077259] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 51.086393] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 51.095526] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 51.102524] CPU: 1 PID: 823 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 51.111073] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 51.117873] Call Trace: [ 51.120598] dump_stack+0x77/0x97 [ 51.124310] ___might_sleep.cold+0xa6/0xb6 [ 51.128881] exit_signals+0x1c/0x2d0 [ 51.132859] do_exit+0xd5/0xb00 [ 51.136362] ? ksys_write+0x68/0xe0 [ 51.140243] rewind_stack_do_exit+0x17/0x20 [ 51.144909] RIP: 0033:0x7f9c9c0d0f33 [ 51.148895] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 51.169874] RSP: 002b:00007ffc8c914bf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 51.178327] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f9c9c0d0f33 [ 51.186313] RDX: 000000000000000a RSI: 00007f9c9bfc1000 RDI: 0000000000000001 [ 51.194281] RBP: 00007f9c9bfc1000 R08: 00007f9c9bfc0010 R09: 0000000000000000 [ 51.202250] R10: 00007f9c9c1cb1c0 R11: 0000000000000246 R12: 0000000000000001 [ 51.210217] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 49.864495] RSP: 002b:00007ffe5e15af58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 49.879161] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f763a752f33 # [ 49.887133] RDX: 0000000000000008 RSI: 00007f763a643000 RDI: 0000000000000001 # [ 49.901311] RBP: 00007f763a643000 R08: 00007f763a642010 R09: 0000000000000000 # [ 49.909300] R10: 00007f763a84d1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 49.923460] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 49.931434] irq event stamp: 0 # [ 49.941055] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 49.948057] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 49.963406] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 49.972542] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 49.985749] ---[ end trace 0e9ee7a379cc4f53 ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ 50.045098] lkdtm: Performing direct entry WARNING_MESSAGE # [ 50.053000] ------------[ cut here ]------------ # [ 50.064390] Warning message trigger count: 2 # [ 50.075352] WARNING: CPU: 0 PID: 791 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 50.091792] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 50.124409] CPU: 0 PID: 791 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 50.139181] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 50.152208] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 50.164158] Code: 1f 84 00 00 00 00 00 0f 1f 00 0f 1f 44 00 00 8b 05 c1 19 70 02 48 c7 c7 f8 01 8c 9b 8d 70 01 89 35 b1 19 70 02 e8 d6 98 61 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 0f 1f 44 00 00 c7 # [ 50.191313] RSP: 0018:ffffc080c152fe60 EFLAGS: 00010286 # [ 50.203421] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 # [ 50.217599] RDX: ffffa2ae7ac2c660 RSI: ffffa2ae7ac1bf70 RDI: ffffa2ae7ac1bf70 # [ 50.231821] RBP: ffffffff9b8bfc9f R08: 0000000000000000 R09: 0000000000000000 # [ 50.246001] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 # [ 50.260193] R13: ffffc080c152ff10 R14: ffffc080c152ff10 R15: ffffa2ae0265f000 # [ 50.274413] FS: 00007f3da45f3580(0000) GS:ffffa2ae7ac00000(0000) knlGS:0000000000000000 # [ 50.289700] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 50.302331] CR2: 00007f3d[ 51.495899] lkdtm: Performing direct entry CORRUPT_LIST_ADD [ 51.504168] lkdtm: attempting good list addition [ 51.509335] lkdtm: attempting corrupted list addition [ 51.514979] lkdtm: list_add() corruption not detected! a440c000 CR3: 0000000104e48004 CR4: 00000000003706f0 # [ 50.316550] Call Trace: # [ 50.325491] direct_entry.cold+0x2c/0x38 # [ 50.336093] full_proxy_write+0x56/0x80 # [ 50.346581] vfs_write+0xea/0x390 # [ 50.356528] ksys_write+0x68/0xe0 # [ 50.366439] do_syscall_64+0x33/0x40 # [ 50.376673] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 50.388524] RIP: 0033:0x7f3da451bf33 # [ 50.398757] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 50.425957] RSP: 002b:00007fff3c96ceb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 50.440634] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f3da451bf33 # [ 50.454817] RDX: 0000000000000010[ 51.600099] lkdtm: Performing direct entry CORRUPT_LIST_DEL RSI: 00007f3da440c000 RDI: 0000000000000001 # [ 50.469031] R[ 51.607775] lkdtm: attempting good list removal BP: 00007f3da440c000 R08: 00007f3da440b010 R09: 0000000000000000[ 51.619062] lkdtm: attempting corrupted list removal # [ 50.483211] R10: 00007f3da46161c0 R11: 0000000000000246 R[ 51.630814] lkdtm: list_del() corruption not detected! 12: 0000000000000001 # [ 50.497425] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 50.511614] irq event stamp: 0 # [ 50.521267] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 50.534481] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 50.549869] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 50.565241] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 50.578480] ---[ end trace 0e9ee7a379cc4f54 ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCEPTION.sh # Killed # [ 50.664110] lkdtm: Performing direct entry EXCEPTION # [ 50.670165] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 50.677945] #PF: supervisor write access in kernel mode # [ 50.683776] #PF: error_code(0x0002) - not-present page # [ 50.689510] PGD 0 P4[ 51.730015] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING [ 51.742988] lkdtm: attempting bad read from page below current stack [ 51.750143] BUG: stack guard page was hit at 000000009804cd90 (stack is 000000002fe69840..000000006860f28e) D 0 # [ 50.692348] Oops: 0002 [#2] SMP PTI # [ 50.696241][ 51.761034] kernel stack overflow (page fault): 0000 [#3] SMP PTI [ 51.774047] CPU: 1 PID: 1048 Comm: cat Tainted: G D W 5.10.129-cip12 #1 CPU: 1 PID: 823 Comm: cat Tainted: G D W 5.10.129-[ 51.782697] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 51.795718] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a [ 51.802230] Code: 41 5c c3 0f 1f 44 00 00 53 48 c7 c7 98 05 8c 9b 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 31 a4 fd ff 48 c7 c7 d8 05 8c 9b <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 17 a4 fd ff 0f 1f 44 [ 51.823210] RSP: 0018:ffffc080c192fe50 EFLAGS: 00010246 [ 51.829033] RAX: 0000000000000038 RBX: ffffc080c192c000 RCX: 0000000000000000 [ 51.837000] RDX: 0000000000000000 RSI: ffffa2ae7ac9bf70 RDI: ffffffff9b8c05d8 [ 51.844967] RBP: ffffffff9b8bfd02 R08: 0000000000000000 R09: 0000000000000000 [ 51.852934] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 [ 51.860900] R13: ffffc080c192ff10 R14: ffffc080c192ff10 R15: ffffa2ae05d3c000 [ 51.868867] FS: 00007f5e48384580(0000) GS:ffffa2ae7ac80000(0000) knlGS:0000000000000000 [ 51.877902] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.884315] CR2: ffffc080c192bfff CR3: 0000000104d5a001 CR4: 00000000003706e0 [ 51.892283] Call Trace: [ 51.895035] ? lkdtm_CORRUPT_LIST_DEL+0xdc/0xdc [ 51.900090] direct_entry.cold+0x2c/0x38 [ 51.904467] full_proxy_write+0x56/0x80 [ 51.908748] vfs_write+0xea/0x390 [ 51.912444] ksys_write+0x68/0xe0 [ 51.916141] do_syscall_64+0x33/0x40 [ 51.920119] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 51.925757] RIP: 0033:0x7f5e482acf33 [ 51.929743] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 51.950722] RSP: 002b:00007ffd1da215a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 51.959174] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f5e482acf33 [ 51.967142] RDX: 0000000000000019 RSI: 00007f5e4819d000 RDI: 0000000000000001 [ 51.975108] RBP: 00007f5e4819d000 R08: 00007f5e4819c010 R09: 0000000000000000 [ 51.983075] R10: 00007f5e483a71c0 R11: 0000000000000246 R12: 0000000000000001 [ 51.991043] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 51.999010] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify cip12 #1 # [ 50.704791] Hardware name: Google Rammus/Rammus, [ 52.025466] ---[ end trace 0e9ee7a379cc4f56 ]--- [ 52.036830] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 52.041206] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 19 70 02 [ 52.062178] RSP: 0018:ffffc080c13ffe60 EFLAGS: 00010286 [ 52.068010] RAX: ffffffff9a8b1b30 RBX: 0000000000000001 RCX: 0000000000000000 [ 52.075975] RDX: 0000000000000000 RSI: ffffa2ae7ac1bf70 RDI: ffffffff9b4d9a70 [ 52.083943] RBP: ffffffff9b91b088 R08: 0000000000000001 R09: 0000000000000001 [ 52.091910] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 52.099878] R13: ffffc080c13fff10 R14: ffffc080c13fff10 R15: ffffa2ae0327f000 [ 52.107844] FS: 00007f5e48384580(0000) GS:ffffa2ae7ac80000(0000) knlGS:0000000000000000 [ 52.116880] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.123308] CR2: ffffc080c192bfff CR3: 0000000104d5a001 CR4: 00000000003706e0 [ 52.131277] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 52.141184] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1048, name: cat [ 52.149637] INFO: lockdep is turned off. [ 52.154011] irq event stamp: 0 [ 52.157414] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 52.164413] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 52.173538] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 52.182668] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 52.189666] CPU: 1 PID: 1048 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 52.198314] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 52.205116] Call Trace: [ 52.207842] dump_stack+0x77/0x97 [ 52.211539] ___might_sleep.cold+0xa6/0xb6 [ 52.216101] exit_signals+0x1c/0x2d0 [ 52.220079] do_exit+0xd5/0xb00 [ 52.223580] ? ksys_write+0x68/0xe0 [ 52.227471] rewind_stack_do_exit+0x17/0x20 [ 52.232137] RIP: 0033:0x7f5e482acf33 [ 52.236122] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 52.257101] RSP: 002b:00007ffd1da215a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 52.265555] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f5e482acf33 [ 52.273521] RDX: 0000000000000019 RSI: 00007f5e4819d000 RDI: 0000000000000001 [ 52.281488] RBP: 00007f5e4819d000 R08: 00007f5e4819c010 R09: 0000000000000000 [ 52.289455] R10: 00007f5e483a71c0 R11: 0000000000000246 R12: 0000000000000001 [ 52.297423] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 BIOS 09/04/2020 # [ 50.711593] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 # [ 50.716542] Code: 48 c7 c7 f8 01 8c 9b 8d 70 01 89 35 b1 19 70 02 e8 d6 98 61 00 0f 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 0f 1f 44 00 00 04 25 00 00 00 00 00 00 00 00 c3 66 66 2e 0f 1f 84 00 00 00 00 # [ 50.737516] RSP: 0018:ffffc080c15afe60 EFLAGS: 00010286 # [ 50.743356] RAX: ffffffff9a8b1b90 RBX: 0000000000000004 RCX: 0000000000000000 # [ 50.751323] RDX: 0000000000000000 RSI: ffffa2ae7ac9bf70 RDI: ffffffff9b4d9aa0 # [ 50.759308] RBP: ffffffff9b7f58a7 R08: 0000000000000000 R09: 0000000000000000 # [ 50.767276] R10: 00000000ffffe00[ 52.363801] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING 0 R11: 3fffffffffffffff R12: 000000000000000a # [ 50.775243] [ 52.374696] lkdtm: attempting bad read from page above current stack R13: ffffc080c15aff10 R14: ffffc080c15aff10 R15: ffffa2ae04e8900[ 52.388025] BUG: stack guard page was hit at 0000000000973987 (stack is 00000000bb2e75ea..000000001e2fba41) [ 52.405086] kernel stack overflow (page fault): 0000 [#4] SMP PTI [ 52.411888] CPU: 0 PID: 1081 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 52.420534] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 52.427339] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d [ 52.433951] Code: a4 fd ff 0f 1f 44 00 00 53 48 c7 c7 10 06 8c 9b 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 f7 a3 fd ff 48 c7 c7 50 06 8c 9b <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 da a3 fd ff [ 52.454931] RSP: 0018:ffffc080c19a7e50 EFLAGS: 00010246 [ 52.460754] RAX: 0000000000000038 RBX: ffffc080c19a4000 RCX: 0000000000000000 [ 52.468722] RDX: 0000000000000000 RSI: ffffa2ae7ac1bf70 RDI: ffffffff9b8c0650 [ 52.476690] RBP: ffffffff9b8bfd1b R08: 0000000000000000 R09: 0000000000000000 [ 52.484657] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a [ 52.492623] R13: ffffc080c19a7f10 R14: ffffc080c19a7f10 R15: ffffa2ae04efc000 [ 52.500591] FS: 00007fa5d5a46580(0000) GS:ffffa2ae7ac00000(0000) knlGS:0000000000000000 [ 52.509617] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.516031] CR2: ffffc080c19a8000 CR3: 0000000105756005 CR4: 00000000003706f0 [ 52.523998] Call Trace: [ 52.526723] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a [ 52.532548] direct_entry.cold+0x2c/0x38 [ 52.536926] full_proxy_write+0x56/0x80 [ 52.541211] vfs_write+0xea/0x390 [ 52.544906] ksys_write+0x68/0xe0 [ 52.548603] do_syscall_64+0x33/0x40 [ 52.552591] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 52.558229] RIP: 0033:0x7fa5d596ef33 [ 52.562207] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 52.583181] RSP: 002b:00007fffbedff058 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 52.591634] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007fa5d596ef33 [ 52.599598] RDX: 000000000000001a RSI: 00007fa5d585f000 RDI: 0000000000000001 [ 52.607564] RBP: 00007fa5d585f000 R08: 00007fa5d585e010 R09: 0000000000000000 [ 52.615531] R10: 00007fa5d5a691c0 R11: 0000000000000246 R12: 0000000000000001 [ 52.623497] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 52.631466] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 52.657899] ---[ end trace 0e9ee7a379cc4f57 ]--- [ 52.663053] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 52.667427] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 19 70 02 [ 52.688403] RSP: 0018:ffffc080c13ffe60 EFLAGS: 00010286 [ 52.694233] RAX: ffffffff9a8b1b30 RBX: 0000000000000001 RCX: 0000000000000000 [ 52.702199] RDX: 0000000000000000 RSI: ffffa2ae7ac1bf70 RDI: ffffffff9b4d9a70 [ 52.710167] RBP: ffffffff9b91b088 R08: 0000000000000001 R09: 0000000000000001 [ 52.718133] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 52.726099] R13: ffffc080c13fff10 R14: ffffc080c13fff10 R15: ffffa2ae0327f000 [ 52.734066] FS: 00007fa5d5a46580(0000) GS:ffffa2ae7ac00000(0000) knlGS:0000000000000000 [ 52.743101] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.749514] CR2: ffffc080c19a8000 CR3: 0000000105756005 CR4: 00000000003706f0 0 # [ 50.783210] FS: 00007f9c9c1a8580(0000) GS:ffffa2ae7ac80000(0000) knlGS:0000000000000000 # [ 50.792244] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 50.798657] CR2: 0000000000000000 CR3: 0000000103204003 CR4: 00000000003706e0 # [ 50.806623] Call Trace: # [ 50.809359] direct_entry.cold+0x2c/0x38 # [ 50.813736] full_proxy_write+0x56/0x80 # [ 50.818013] vfs_write+0xea/0x390 # [ 50.821710] ksys_write+0x68/0xe0 # [ 50.825407] do_syscall_64+0x33/0x40 # [ 50.829395] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 50.835023] RIP: 0033:0x7f9c9c0d0f33 # [ 50.839008] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 50.859983] RSP: 002b:00007ffc8c914bf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 50.868436] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f9c9c0d0f33 # [ 50.876402] RDX: 000000000000000a RSI: 00007f9c9bfc1000 RDI: 0000000000000001 # [ 50.884370] RBP: 00007f9c9bfc1000 R08: 00007f9c9bfc0010 R09: 0000000000000000 # [ 50.892350] R10: 00007f9c9c1cb1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 50.900321] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 50.908313] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_[ 52.895088] lkdtm: Performing direct entry UNSET_SMEP ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_e[ 52.906096] lkdtm: trying to clear SMEP normally c_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 52.917463] ------------[ cut here ]------------ [ 52.928829] pinned CR4 bits changed: 0x100000!? # [ 50.934735] CR2: 0000000000000000 # [ 50.944643] ---[ en[ 52.933911] WARNING: CPU: 2 PID: 1117 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x41/0x60 d trace 0e9ee7a379cc4f55 ]--- # [ 50.949787] RIP: 0010:lkdtm_[ 52.950312] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify BUG+0x5/0x10 # [ 50.954160] Code: 5b a5 ff 48 c7 c0 ea ff ff [ 52.982947] CPU: 2 PID: 1117 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 52.997811] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 53.004620] RIP: 0010:native_write_cr4+0x41/0x60 ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc c[ 53.009776] Code: 08 31 00 48 39 c2 75 25 48 85 f6 75 01 c3 80 3d 0a d8 c3 01 00 75 f6 48 c7 c7 08 f8 7f 9b c6 05 fa d7 c3 01 01 e8 85 b7 e0 00 <0f> 0b c3 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 c7 eb ac 66 [ 53.036968] RSP: 0018:ffffc080c1a27e48 EFLAGS: 00010286 c cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 [ 53.042804] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 0000000000000000 [ 53.056984] RDX: ffffa2ae7ad2c660 RSI: ffffa2ae7ad1bf70 RDI: ffffa2ae7ad1bf70 00 00 0f 1f 44 00 00 83 05 e0 19 70 02 # [ 50.975136] RSP: 00[ 53.064956] RBP: ffffffff9b8bfd35 R08: 0000000000000000 R09: 0000000000000000 18:ffffc080c13ffe60 EFLAGS: 00010286 # [ 50.980967] RAX: ffff[ 53.079139] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b ffff9a8b1b30 RBX: 0000000000000001 RCX: 0000000000000000 # [ [ 53.093327] R13: ffffc080c1a27f10 R14: ffffc080c1a27f10 R15: ffffa2ae04fb1000 50.988932] RDX: 0000000000000000 RSI: ffffa2ae7ac1bf70 RDI: ffff[ 53.107520] FS: 00007f4e15378580(0000) GS:ffffa2ae7ad00000(0000) knlGS:0000000000000000 ffff9b4d9a70 # [ 50.996899] RBP: ffffffff9b91b088 R08: 000000[ 53.122779] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 0000000001 R09: 0000000000000001 # [ 51.004865] R10: 00000000[ 53.135422] CR2: 00007f4e15191000 CR3: 0000000103086001 CR4: 00000000003706e0 ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 51.0[ 53.149607] Call Trace: 12833] R13: ffffc080c13fff10 R14: ffffc080c13fff10 R15: ffffa2ae[ 53.158553] lkdtm_UNSET_SMEP.cold+0x1d/0x103 0327f000 # [ 51.020799] FS: 00007f9c9c1a8580(0000) GS:ffffa2[ 53.169636] direct_entry.cold+0x2c/0x38 ae7ac80000(0000) knlGS:0000000000000000 # [ 51.029833] CS: 0[ 53.180232] full_proxy_write+0x56/0x80 010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 51.036245] CR[ 53.190729] vfs_write+0xea/0x390 2: 0000000000000000 CR3: 0000000103204003 CR4: 00000000003706e0[ 53.200645] ksys_write+0x68/0xe0 # [ 51.044213] BUG: sleeping function called from invalid con[ 53.210562] do_syscall_64+0x33/0x40 text at include/linux/percpu-rwsem.h:49 # [ 51.054124] in_ato[ 53.220770] entry_SYSCALL_64_after_hwframe+0x44/0xa9 mic(): 0, irqs_disabled(): 1, non_block: 0, pid: 823, name: cat[ 53.232629] RIP: 0033:0x7f4e152a0f33 [ 53.242837] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 51.062481] INFO: lockdep is turned off. # [ 51.066856][ 53.263828] RSP: 002b:00007ffdd6a138f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 53.278499] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f4e152a0f33 irq event stamp: 0 # [ 51.070259] hardirqs last enabled at [ 53.286476] RDX: 000000000000000b RSI: 00007f4e15191000 RDI: 0000000000000001 [ 53.300660] RBP: 00007f4e15191000 R08: 00007f4e15190010 R09: 0000000000000000 (0): [<0000000000000000>] 0x0 # [ 51.077259] hardirqs last di[ 53.308637] R10: 00007f4e1539b1c0 R11: 0000000000000246 R12: 0000000000000001 [ 53.322820] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 sabled at (0): [] copy_process+0x63c/0x1c80 #[ 53.330800] irq event stamp: 0 [ 53.340415] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 51.086393] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 53.347425] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 c>] copy_process+0x63c/0x1c80 # [ 51.095526] softirqs last di[ 53.347426] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 53.347428] ---[ end trace 0e9ee7a379cc4f58 ]--- [ 53.390281] lkdtm: ok: SMEP did not get cleared [ 53.395341] lkdtm: trying to clear SMEP with call gadget sabled at (0): [<0000000000000000>] 0x0 # [ 51.102524] CPU: 1[ 53.401277] lkdtm: ok: SMEP removal was reverted PID: 823 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 51.111073] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 51.117873] Call Trace: # [ 51.120598] dump_stack+0x77/0x97 # [ 51.124310] ___might_sleep.cold+0xa6/0xb6 # [ 51.128881] exit_signals+0x1c/0x2d0 # [ 51.132859] do_exit+0xd5/0xb00 # [ 51.136362] ? ksys_write+0x68/0xe0 # [ 51.140243] rewind_stack_do_exit+0x17/0x20 # [ 51.144909] RIP: 0033:0x7f9c9c0d0f33 # [ 51.148895] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 51.169874] RSP: 002b:00007ffc8c914bf8 EFLAGS: 00000246 ORIG_RAX: 00000[ 53.486213] lkdtm: Performing direct entry DOUBLE_FAULT [ 53.493069] lkdtm: XFAIL: this test is ia32-only 00000000001 # [ 51.178327] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f9c9c0d0f33 # [ 51.186313] RDX: 000000000000000a RSI: 00007f9c9bfc1000 RDI: 0000000000000001 # [ 51.194281] RBP: 00007f9c9bfc1000 R08: 00007f9c9bfc0010 R09: 0000000000000000 # [ 51.202250] R10: 00007f9c9c1cb1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 51.210217] 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_STA[ 53.557991] lkdtm: Performing direct entry CORRUPT_PAC [ 53.566166] lkdtm: XFAIL: this test is arm64-only CK.sh # Skipping EXHAUST_STACK: Corrupts memory on failure ok 7 selftests: lkdtm: EXHAUST_STACK.sh # SKIP # selftests: lkdtm: CORRUPT_STACK.sh # Skipping CORRUPT_STACK: Crashes entire system on success ok 8 selftests: lkdtm: CORRUPT_STACK.sh # SKIP # selftests: lkdtm: CORRUPT_STACK_STRONG.sh # Skipping CORRUPT_STACK_STRONG: Crashes entire system on success ok 9 selftests: lkdtm: CORRUPT_STACK_STRONG.sh # SKIP # selftests: lkdtm: CORRUPT_LIST_ADD.sh # [ 51.495899] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 51.504168] lkdtm: attempting good list addition # [ 51.509335] lkdtm: attempting corrupted list addition # [ 51.514979] lkdtm: list_add() corruption not detected! # CORRUPT_LIST_ADD: missing 'list_add corruption': [FAIL] not [ 53.640970] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE [ 53.653254] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS ok 10 selftests: lkdtm: CORRUPT_LIST_ADD.sh # exit=1 # selftests: lkdtm: CORRUPT_LIST_DEL.sh # [ 51.600099] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 51.607775] lkdtm: attempting good list removal # [ 51.619062] lkdtm: attempting corrupted list removal # [ 51.630814] 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 # [ 51.730015] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 51.742988] lkdtm: attempting bad read from page below current stack # [ 51.750143] BUG: stack guard page was hit at 000000009804cd90 (stack is 000000002fe69840..000000006860f28e) # [ 51.761034] kernel stack overflow (page fault): 0000 [#3] SMP PTI # [ 51.774047] CPU: 1 PID: 1048 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 51.782697] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 51.795718] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a # [ 51.802230] Code: 41 5c c3 0f 1f 44 00 00 53 48 c7 c7 98 05 8c 9b 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 31 a4 fd ff 48 c7 c7 d8 05 8c 9b <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 17 a4 fd ff 0f 1f 44 # [ 51.823210] RSP: 0018:ffffc080c[ 53.789897] lkdtm: Performing direct entry READ_AFTER_FREE 192fe50 EFLAGS: 00010246 # [ 51.829033] RAX: 0000000000000038[ 53.797583] lkdtm: Value in memory before free: 12345678 RBX: ffffc080c192c000 RCX: 0000000000000000 # [ 51.837000] R[ 53.809735] lkdtm: Attempting bad read from freed memory DX: 0000000000000000 RSI: ffffa2ae7ac9bf70 RDI: ffffffff9b8c05d8[ 53.821878] lkdtm: Memory was not poisoned # [ 51.844967] RBP: ffffffff9b8bfd02 R08: 0000000000000000 R09: 0000000000000000 # [ 51.852934] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 # [ 51.860900] R13: ffffc080c192ff10 R14: ffffc080c192ff10 R15: ffffa2ae05d3c000 # [ 51.868867] FS: 00007f5e48384580(0000) GS:ffffa2ae7ac80000(0000) knlGS:0000000000000000 # [ 51.877902] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 51.884315] CR2: ffffc080c192bfff CR3: 0000000104d5a001 CR4: 00000000003706e0 # [ 51.892283] Call Trace: # [ 51.895035] ? lkdtm_CORRUPT_LIST_DEL+0xdc/0xdc # [ 51.900090] direct_entry.cold+0x2c/0x38 # [ 51.904467] full_proxy_write+0x56/0x80 # [ 51.908748] vfs_write+0xea/0x390 # [ 51.912444] ksys_write+0x68/0xe0 # [ 51.916141] do_syscall_64+0x33/0x40 # [ 51.920119] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 51.925757] RIP: 0033:0x7f5e482acf33 # [ 51.929743] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f [ 53.932586] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE [ 53.945090] lkdtm: Value in memory before free: 12345678 [ 53.951030] lkdtm: Attempting to read from freed memory 40 00 48 83 ec 28 48 89 54 24 18 # [ 51.950722] RSP: 002b:000[ 53.956875] lkdtm: Buddy page was not poisoned 07ffd1da215a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 51.959174] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f5e482acf33 # [ 51.967142] RDX: 0000000000000019 RSI: 00007f5e4819d000 RDI: 0000000000000001 # [ 51.975108] RBP: 00007f5e4819d000 R08: 00007f5e4819c010 R09: 0000000000000000 # [ 51.983075] R10: 00007f5e483a71c0 R11: 0000000000000246 R12: 0000000000000001 # [ 51.991043] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 51.999010] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cro[ 54.028636] lkdtm: Performing direct entry SLAB_FREE_DOUBLE [ 54.036486] lkdtm: Attempting double slab free ... s_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 52.025466] ---[ end trace 0e9ee7a379cc4f56 ]--- # [ 52.036830] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 52.041206] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 19 70 02 # [ 52.062178] RSP: 0018:ffffc080c13ffe60 EFLAGS: 00010286 # [ 52.068010] RAX: ffffffff9a8b1b30 RBX: 0000000000000001 RCX: 0000000000000000 # [ 52.075975] RDX: 0000000000000000 RSI: ffffa2ae7ac1bf70 RDI: ffffffff9b4d9a70 # [ 52.083943] RBP: ffffffff9b91b088 R08: 0000000000000001 R09: 0000000000000001 # [ 52.091910] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 52.099878] R13: ffffc080c13fff10 R14: ffffc080c13fff10 R15: ffffa2ae0327f000 # [ 52.107844] FS: 00007f5e48384580(0000) GS:ffffa2ae7ac80000(0000) knlGS:0000000000000000 # [ 52.116880] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 52.1[ 54.141466] lkdtm: Performing direct entry SLAB_FREE_CROSS 23308] CR2: ffffc080c192bfff CR3: 0000000104d5a001 CR4: 00000000[ 54.153725] lkdtm: Attempting cross-cache slab free ... 003706e0 # [ 52.131277] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 52.141184] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1048, name: cat # [ 52.149637] INFO: lockdep is turned off. # [ 52.154011] irq event stamp: 0 # [ 52.157414] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 52.164413] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 52.173538] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 52.182668] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 52.189666] CPU: 1 PID: 1048 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 52.198314] Hardware name: Google Rammus/Ramm[ 54.236585] lkdtm: Performing direct entry SLAB_FREE_PAGE us, BIOS 09/04/2020 # [ 52.205116] Call Trace: # [ 52.207[ 54.246378] lkdtm: Attempting non-Slab slab free ... 842] dump_stack+0x77/0x97 # [ 52.211539] ___might_sleep.cold+0xa6/0xb6 # [ 52.216101] exit_signals+0x1c/0x2d0 # [ 52.220079] do_exit+0xd5/0xb00 # [ 52.223580] ? ksys_write+0x68/0xe0 # [ 52.227471] rewind_stack_do_exit+0x17/0x20 # [ 52.232137] RIP: 0033:0x7f5e482acf33 # [ 52.236122] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 52.257101] RSP: 002b:00007ffd1da215a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 52.265555] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f5e482acf33 # [ 52.273521] RDX: 0000000000000019 RSI: 00007f5e4819d000 RDI: 0000000000000001 # [ 52.281488] RBP: 00007f5e4819d000 R08: 00007f5e4819c010 R09: 0000000000000000 # [ 52.289455] R10: 00007f5e483a71c0 R11: 0000000000000246 R12: 0000000000000001 # [ 52.297423] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # STACK_GUARD_PAGE_LEADING: saw 'call trace:': ok ok 12 selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh # selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # Segmentation fault # [ 52.363801] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 52.374696] lkdtm: attempting bad read from page above current stack # [ 52.388025] BUG: stack guard page was hit at 0000000000973987 (stack is 00000000bb2e75ea..000000001e2fba41) # [ 52.405086] kernel stack overflow (page fault): 0000 [#4] SMP PTI # [ 52.411888] CPU: 0 PID: 1081 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 52.420534] Hardware name: Google Ra[ 54.418233] lkdtm: Performing direct entry EXEC_DATA mmus/Rammus, BIOS 09/04/2020 # [ 52.427339] RIP: 0010:lkdtm_[ 54.425268] lkdtm: attempting ok execution at ffffffff9a8b1f00 STACK_GUARD_PAGE_TRAILING+0x27/0x3d # [ 52.433951] Code: a4 f[ 54.437998] lkdtm: attempting bad execution at ffffffff9cfb3560 d ff 0f 1f 44 00 00 53 48 c7 c7 10 06 8c 9b 50 65 48 8b 04 25 40[ 54.450827] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 54.465397] BUG: unable to handle page fault for address: ffffffff9cfb3560 [ 54.473074] #PF: supervisor instruction fetch in kernel mode [ 54.479393] #PF: error_code(0x0011) - permissions violation [ 54.485616] PGD 15ae29067 P4D 15ae29067 PUD 15ae2a063 PMD 800000015c2000e3 [ 54.493394] Oops: 0011 [#5] SMP PTI [ 54.497307] CPU: 2 PID: 1624 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 54.505956] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 54.512764] RIP: 0010:data_area+0x0/0x40 b0 01 00 48 8b 58 18 e8 f7 a3 fd ff 48 c7 c7 50 06 8c 9b <8a> 8[ 54.517141] Code: ff ff 00 ab 84 00 ae a2 ff ff 00 aa 84 00 ae a2 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 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 [ 54.544340] RSP: 0018:ffffc080c21efe48 EFLAGS: 00010246 [ 54.550172] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 54.558143] RDX: 0000000000000000 RSI: ffffa2ae7ad1bf70 RDI: ffffa2ae7ad1bf70 [ 54.566111] RBP: ffffffff9cfb3560 R08: 0000000000000000 R09: 0000000000000000 [ 54.574080] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 54.582049] R13: ffffc080c21eff10 R14: ffffc080c21eff10 R15: ffffa2ae05cb3000 [ 54.590018] FS: 00007f26d0031580(0000) GS:ffffa2ae7ad00000(0000) knlGS:0000000000000000 [ 54.599055] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.605470] CR2: ffffffff9cfb3560 CR3: 0000000104d5a003 CR4: 00000000003706e0 [ 54.613438] Call Trace: [ 54.616166] ? execute_location+0x48/0x56 3 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 da a3 fd ff #[ 54.620642] ? direct_entry.cold+0x2c/0x38 [ 54.631428] ? full_proxy_write+0x56/0x80 [ 54.635903] ? vfs_write+0xea/0x390 [ 54.639785] ? ksys_write+0x68/0xe0 [ 54.643677] ? do_syscall_64+0x33/0x40 [ 54.647850] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 52.454931] RSP: 0018:ffffc080c19a7e50 EFLAGS: 00010246 # [[ 54.653685] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 54.686327] CR2: ffffffff9cfb3560 [ 54.690024] ---[ end trace 0e9ee7a379cc4f59 ]--- [ 54.695179] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 54.699554] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 19 70 02 [ 54.720542] RSP: 0018:ffffc080c13ffe60 EFLAGS: 00010286 [ 54.726368] RAX: ffffffff9a8b1b30 RBX: 0000000000000001 RCX: 0000000000000000 [ 54.734337] RDX: 0000000000000000 RSI: ffffa2ae7ac1bf70 RDI: ffffffff9b4d9a70 [ 54.742310] RBP: ffffffff9b91b088 R08: 0000000000000001 R09: 0000000000000001 [ 54.750280] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 54.758273] R13: ffffc080c13fff10 R14: ffffc080c13fff10 R15: ffffa2ae0327f000 [ 54.766243] FS: 00007f26d0031580(0000) GS:ffffa2ae7ad00000(0000) knlGS:0000000000000000 [ 54.775281] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.781722] CR2: ffffffff9cfb3560 CR3: 0000000104d5a003 CR4: 00000000003706e0 [ 54.789692] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 54.799606] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1624, name: cat [ 54.808061] INFO: lockdep is turned off. [ 54.812438] irq event stamp: 0 [ 54.815844] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 54.822835] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 54.831964] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 54.841090] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 54.848089] CPU: 2 PID: 1624 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 54.856739] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 54.863541] Call Trace: [ 54.866270] dump_stack+0x77/0x97 52.460754] RAX: 0000000000000038 RBX: ffffc080c19a4000 RCX: 0[ 54.869970] ___might_sleep.cold+0xa6/0xb6 [ 54.880757] exit_signals+0x1c/0x2d0 [ 54.884745] do_exit+0xd5/0xb00 [ 54.888248] ? ksys_write+0x68/0xe0 [ 54.892130] rewind_stack_do_exit+0x17/0x20 [ 54.896799] RIP: 0033:0x7f26cff59f33 [ 54.900787] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 54.921771] RSP: 002b:00007ffc680914a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 54.930227] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f26cff59f33 [ 54.938196] RDX: 000000000000000a RSI: 00007f26cfe4a000 RDI: 0000000000000001 [ 54.946167] RBP: 00007f26cfe4a000 R08: 00007f26cfe49010 R09: 0000000000000000 [ 54.954135] R10: 00007f26d00541c0 R11: 0000000000000246 R12: 0000000000000001 [ 54.962104] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 000000000000000 # [ 52.468722] RDX: 0000000000000000 RSI: ffffa2ae7ac1bf70 RDI: ffffffff9b8c0650 # [ 52.476690] RBP: ffffffff9b8bfd1b R08: 0000000000000000 R09: 0000000000000000 # [ 52.484657] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a # [ 52.492623] R13: ffffc080c19a7f10 R14: ffffc080c19a7f10 R15: ffffa2ae04efc000 # [ 52.500591] FS: 00007fa5d5a46580(0000) GS:ffffa2ae7ac00000(0000) knlGS:0000000000000000 # [ 52.509617] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 52.516031] CR2: ffffc080c19a8000 CR3: 0000000105756005 CR4: 00000000003706f0 # [ 52.523998] Call Trace: # [ 52.526723] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a # [ 52.532548] direct_entry.cold+0x2c/0x38 # [ 52.536926] full_proxy_write+0x56/0x80 # [ 52.541211] vfs_write+0xea/0x390 # [ 5[ 55.044898] lkdtm: Performing direct entry EXEC_STACK 2.544906] ksys_write+0x68/0xe0 # [ 52.548603] do_syscall_64[ 55.056521] lkdtm: attempting ok execution at ffffffff9a8b1f00 +0x33/0x40 # [ 52.552591] entry_SYSCALL_64_after_hwframe+0x4[ 55.069253] lkdtm: attempting bad execution at ffffc080c227fe18 4/0xa9 # [ 52.558229] RIP: 0033:0x7fa5d596ef33 # [ 52.5622[ 55.082080] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 55.096652] BUG: unable to handle page fault for address: ffffc080c227fe18 [ 55.104325] #PF: supervisor instruction fetch in kernel mode [ 55.110645] #PF: error_code(0x0011) - permissions violation 07] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff [ 55.116858] PGD 100000067 P4D 100000067 PUD 100210067 PMD 105d24067 PTE 800000010327d063 [ 55.132116] Oops: 0011 [#6] SMP PTI [ 55.136008] CPU: 2 PID: 1660 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 55.144657] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 55.151463] RIP: 0010:0xffffc080c227fe18 [ 55.155840] Code: 00 00 18 fe 27 c2 80 c0 ff ff ad 6d ef 9a ff ff ff ff 20 00 00 00 00 00 00 00 5e fe 8b 9b ff ff ff ff d9 6e ef 9a ff ff ff ff <0f> 1f 44 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 [ 55.176813] RSP: 0018:ffffc080c227fdf8 EFLAGS: 00010246 [ 55.182646] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 55.190616] RDX: 0000000000000000 RSI: ffffa2ae7ad1bf70 RDI: ffffa2ae7ad1bf70 [ 55.198584] RBP: ffffc080c227fe18 R08: 0000000000000000 R09: 0000000000000000 [ 55.206551] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b [ 55.214519] R13: ffffc080c227ff10 R14: ffffc080c227ff10 R15: ffffa2ae0367d000 [ 55.222488] FS: 00007fef43e35580(0000) GS:ffffa2ae7ad00000(0000) knlGS:0000000000000000 [ 55.231518] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.237924] CR2: ffffc080c227fe18 CR3: 0000000104ef4001 CR4: 00000000003706e0 [ 55.245894] Call Trace: [ 55.248623] ? execute_location+0x48/0x56 eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 0[ 55.253097] ? lkdtm_EXEC_STACK+0x26/0x40 [ 55.263785] ? direct_entry.cold+0x2c/0x38 [ 55.268359] ? full_proxy_write+0x56/0x80 [ 55.272836] ? vfs_write+0xea/0x390 [ 55.276726] ? ksys_write+0x68/0xe0 [ 55.280619] ? do_syscall_64+0x33/0x40 [ 55.284802] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 0 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 [ 55.290638] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 55.323278] CR2: ffffc080c227fe18 [ 55.326975] ---[ end trace 0e9ee7a379cc4f5a ]--- [ 55.332123] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 55.336499] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 19 70 02 [ 55.357479] RSP: 0018:ffffc080c13ffe60 EFLAGS: 00010286 [ 55.363306] RAX: ffffffff9a8b1b30 RBX: 0000000000000001 RCX: 0000000000000000 [ 55.371275] RDX: 0000000000000000 RSI: ffffa2ae7ac1bf70 RDI: ffffffff9b4d9a70 [ 55.379243] RBP: ffffffff9b91b088 R08: 0000000000000001 R09: 0000000000000001 [ 55.387211] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 55.395179] R13: ffffc080c13fff10 R14: ffffc080c13fff10 R15: ffffa2ae0327f000 [ 55.403147] FS: 00007fef43e35580(0000) GS:ffffa2ae7ad00000(0000) knlGS:0000000000000000 [ 55.412183] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.418599] CR2: ffffc080c227fe18 CR3: 0000000104ef4001 CR4: 00000000003706e0 89 54 24 18 # [ 52.583181] RSP: 002b:00007fffbedff058 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 52.591634] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007fa5d596ef33 # [ 52.599598] RDX: 000000000000001a RSI: 00007fa5d585f000 RDI: 0000000000000001 # [ 52.607564] RBP: 00007fa5d585f000 R08: 00007fa5d585e010 R09: 0000000000000000 # [ 52.615531] R10: 00007fa5d5a691c0 R11: 0000000000000246 R12: 0000000000000001 # [ 52.623497] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 52.631466] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cro[ 55.498720] lkdtm: Performing direct entry EXEC_KMALLOC [ 55.507011] lkdtm: attempting ok execution at ffffffff9a8b1f00 [ 55.513554] lkdtm: attempting bad execution at ffffa2ae057eac00 [ 55.520193] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 55.528558] BUG: unable to handle page fault for address: ffffa2ae057eac00 [ 55.536237] #PF: supervisor instruction fetch in kernel mode [ 55.542547] #PF: error_code(0x0011) - permissions violation [ 55.548768] PGD 15c401067 P4D 15c401067 PUD 100855063 PMD 10563e063 PTE 80000001057ea163 s_ec_dev cros_usbpd_notify # [ 52.657899] ---[ end trace 0e9e[ 55.557813] Oops: 0011 [#7] SMP PTI [ 55.567920] CPU: 1 PID: 1696 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 55.576572] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 55.583379] RIP: 0010:0xffffa2ae057eac00 [ 55.587747] Code: 00 00 02 00 00 00 00 00 00 00 80 a4 7e 05 ae a2 ff ff 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 bb b6 0f 9a ff ff ff ff <0f> 1f 44 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 [ 55.608725] RSP: 0018:ffffc080c2317e38 EFLAGS: 00010246 [ 55.614558] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 55.622530] RDX: 0000000000000000 RSI: ffffa2ae7ac9bf70 RDI: ffffa2ae7ac9bf70 [ 55.630500] RBP: ffffa2ae057eac00 R08: 0000000000000000 R09: 0000000000000000 [ 55.638471] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 55.646442] R13: ffffc080c2317f10 R14: ffffc080c2317f10 R15: ffffa2ae04cac000 [ 55.654413] FS: 00007f8ce9b4b580(0000) GS:ffffa2ae7ac80000(0000) knlGS:0000000000000000 [ 55.663450] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.669866] CR2: ffffa2ae057eac00 CR3: 000000010377e001 CR4: 00000000003706e0 [ 55.677837] Call Trace: [ 55.680565] ? execute_location+0x48/0x56 [ 55.685039] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 [ 55.689707] ? direct_entry.cold+0x2c/0x38 [ 55.694280] ? full_proxy_write+0x56/0x80 [ 55.698777] ? vfs_write+0xea/0x390 [ 55.702669] ? ksys_write+0x68/0xe0 [ 55.706561] ? do_syscall_64+0x33/0x40 [ 55.710744] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 55.716578] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify e7a379cc4f57 ]--- # [ 52.663053] RIP: 0010:lkdtm_BUG+0x5/0x10[ 55.743038] CR2: ffffa2ae057eac00 [ 55.752947] ---[ end trace 0e9ee7a379cc4f5b ]--- [ 55.758101] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 55.762479] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 19 70 02 [ 55.783458] RSP: 0018:ffffc080c13ffe60 EFLAGS: 00010286 [ 55.789306] RAX: ffffffff9a8b1b30 RBX: 0000000000000001 RCX: 0000000000000000 [ 55.797276] RDX: 0000000000000000 RSI: ffffa2ae7ac1bf70 RDI: ffffffff9b4d9a70 [ 55.805248] RBP: ffffffff9b91b088 R08: 0000000000000001 R09: 0000000000000001 [ 55.813219] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 55.821189] R13: ffffc080c13fff10 R14: ffffc080c13fff10 R15: ffffa2ae0327f000 [ 55.829159] FS: 00007f8ce9b4b580(0000) GS:ffffa2ae7ac80000(0000) knlGS:0000000000000000 [ 55.838198] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.844611] CR2: ffffa2ae057eac00 CR3: 000000010377e001 CR4: 00000000003706e0 [ 55.852581] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 55.862492] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1696, name: cat [ 55.870947] INFO: lockdep is turned off. [ 55.875322] irq event stamp: 0 [ 55.878728] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 55.885729] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 55.894867] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 55.903995] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 55.910995] CPU: 1 PID: 1696 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 55.919645] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 55.926448] Call Trace: [ 55.929177] dump_stack+0x77/0x97 [ 55.932874] ___might_sleep.cold+0xa6/0xb6 [ 55.937436] exit_signals+0x1c/0x2d0 [ 55.941426] do_exit+0xd5/0xb00 [ 55.944920] ? ksys_write+0x68/0xe0 [ 55.948811] rewind_stack_do_exit+0x17/0x20 [ 55.953470] RIP: 0033:0x7f8ce9a73f33 [ 55.957458] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 55.978443] RSP: 002b:00007ffd8200d4d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 55.986898] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f8ce9a73f33 [ 55.994866] RDX: 000000000000000d RSI: 00007f8ce9964000 RDI: 0000000000000001 [ 56.002836] RBP: 00007f8ce9964000 R08: 00007f8ce9963010 R09: 0000000000000000 [ 56.010806] R10: 00007f8ce9b6e1c0 R11: 0000000000000246 R12: 0000000000000001 [ 56.018776] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 52.667427] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 19 70 02 # [ 52.688403] RSP: 0018:ffffc080c13ffe60 EFLAGS: 00010286 # [ 52.694233] RAX: ffffffff9a8b1b30 RBX: 0000000000000001 RCX: 0000000000000000 # [ 52.702199] RDX: 0000000000000000 RSI: ffffa2ae7ac1bf70 RDI: ffffffff9b4d9a70 # [ 52.710167] RBP: ffffffff9b91b088 R08: 0000000000000001 R09: 0000000000000001 # [ 52.718133] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 52.726099] R13: ffffc080c13fff10 R14: ffffc080c13fff10 R15: ffffa2ae0327f000 # [ 52.734066] FS: 00007fa5d5a46580(0000) GS:ffffa2ae7ac00000(0000) knlGS:0000000000000000 # [ 52.743101] CS: 0010 DS: 0000[ 56.106202] lkdtm: Performing direct entry EXEC_VMALLOC [ 56.113436] lkdtm: attempting ok execution at ffffffff9a8b1f00 [ 56.119960] lkdtm: attempting bad execution at ffffc080c069b000 [ 56.126598] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) ES: 0000 CR0: 0000000080050033 # [ 52.749514] CR2: ffffc080c[ 56.134966] BUG: unable to handle page fault for address: ffffc080c069b000 [ 56.148861] #PF: supervisor instruction fetch in kernel mode [ 56.155180] #PF: error_code(0x0011) - permissions violation [ 56.161402] PGD 100000067 P4D 100000067 PUD 100210067 PMD 1056a2067 PTE 8000000103311063 19a8000 CR3: 0000000105756005 CR4: 00000000003706f0 # STACK_GUA[ 56.170446] Oops: 0011 [#8] SMP PTI [ 56.180553] CPU: 1 PID: 1732 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 56.189203] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 56.196007] RIP: 0010:0xffffc080c069b000 [ 56.200375] Code: Unable to access opcode bytes at RIP 0xffffc080c069afd6. [ 56.208045] RSP: 0018:ffffc080c236fe38 EFLAGS: 00010246 [ 56.213877] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 56.221848] RDX: 0000000000000000 RSI: ffffa2ae7ac9bf70 RDI: ffffa2ae7ac9bf70 [ 56.229816] RBP: ffffc080c069b000 R08: 0000000000000000 R09: 0000000000000000 [ 56.237787] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 56.245755] R13: ffffc080c236ff10 R14: ffffc080c236ff10 R15: ffffa2ae03311000 [ 56.253727] FS: 00007fa5653e6580(0000) GS:ffffa2ae7ac80000(0000) knlGS:0000000000000000 [ 56.262763] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.269180] CR2: ffffc080c069afd6 CR3: 00000001054b0002 CR4: 00000000003706e0 [ 56.277149] Call Trace: [ 56.279877] ? execute_location+0x48/0x56 [ 56.284366] ? lkdtm_EXEC_VMALLOC+0x20/0x30 [ 56.289035] ? direct_entry.cold+0x2c/0x38 [ 56.293608] ? full_proxy_write+0x56/0x80 [ 56.298075] ? vfs_write+0xea/0x390 [ 56.301966] ? ksys_write+0x68/0xe0 [ 56.305856] ? do_syscall_64+0x33/0x40 [ 56.310038] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 56.315873] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify RD_PAGE_TRAILING: saw 'call trace:': ok ok 13 selftests: lkdtm:[ 56.342325] CR2: ffffc080c069b000 [ 56.352235] ---[ end trace 0e9ee7a379cc4f5c ]--- [ 56.357389] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 56.361765] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 19 70 02 [ 56.382750] RSP: 0018:ffffc080c13ffe60 EFLAGS: 00010286 [ 56.388584] RAX: ffffffff9a8b1b30 RBX: 0000000000000001 RCX: 0000000000000000 [ 56.396553] RDX: 0000000000000000 RSI: ffffa2ae7ac1bf70 RDI: ffffffff9b4d9a70 [ 56.404523] RBP: ffffffff9b91b088 R08: 0000000000000001 R09: 0000000000000001 [ 56.412494] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 56.420463] R13: ffffc080c13fff10 R14: ffffc080c13fff10 R15: ffffa2ae0327f000 [ 56.428434] FS: 00007fa5653e6580(0000) GS:ffffa2ae7ac80000(0000) knlGS:0000000000000000 [ 56.437472] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.443889] CR2: ffffc080c069afd6 CR3: 00000001054b0002 CR4: 00000000003706e0 STACK_GUARD_PAGE_TRAILING.sh # selftests: lkdtm: UNSET_SMEP.sh # [ 52.895088] lkdtm: Performing direct entry UNSET_SMEP # [ 52.906096] lkdtm: trying to clear SMEP normally # [ 52.917463] ------------[ cut here ]------------ # [ 52.928829] pinned CR4 bits changed: 0x100000!? # [ 52.933911] WARNING: CPU: 2 PID: 1117 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x41/0x60 # [ 52.950312] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 52.982947] CPU: 2 PID: 1117 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 52.997811] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 53.004620] RIP: 0010:native_write_cr4+0x41/0x60 # [ 53.009776] Code: 08 31 00 48 39 c2 75 25 48 85 f6 75 01 c3 80 3d 0a d8 c3 01 00 75 f6 48 c7 c7 08 f8 7f 9b c6 05 fa d7 c3 01 01 e8 85 b7 e0 00 <0f> 0b c3 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 c7 eb ac 66 # [ 53.036968] RSP: 0018:ffffc080c1a27e48 EFLAGS: 00010286 # [ 53.042804] RAX: 0000000000000000 RBX: 000[ 56.568292] lkdtm: Performing direct entry EXEC_RODATA [ 56.575813] lkdtm: attempting ok execution at ffffffff9a8b1f00 [ 56.582343] lkdtm: attempting bad execution at ffffffff9b4d9f00 [ 56.588985] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) 00000002706e0 RCX: 0000000000000000 # [ 53.056984] RDX: ffffa[ 56.597353] BUG: unable to handle page fault for address: ffffffff9b4d9f00 [ 56.611245] #PF: supervisor instruction fetch in kernel mode [ 56.617565] #PF: error_code(0x0011) - permissions violation [ 56.623788] PGD 15ae29067 P4D 15ae29067 PUD 15ae2a063 PMD 800000015a8000e1 [ 56.631566] Oops: 0011 [#9] SMP PTI [ 56.635457] CPU: 1 PID: 1768 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 56.644107] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 56.650916] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 [ 56.656653] Code: ff ff d9 82 ef 9a ff ff ff ff aa 00 8c 9b ff ff ff ff 8f 6a ef 9a 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 [ 56.677637] RSP: 0018:ffffc080c242fe48 EFLAGS: 00010246 [ 56.683471] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 56.691441] RDX: 0000000000000000 RSI: ffffa2ae7ac9bf70 RDI: ffffa2ae7ac9bf70 [ 56.699413] RBP: ffffffff9b4d9f00 R08: 0000000000000000 R09: 0000000000000000 [ 56.707384] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 56.715358] R13: ffffc080c242ff10 R14: ffffc080c242ff10 R15: ffffa2ae029fa000 [ 56.723329] FS: 00007f15edb22580(0000) GS:ffffa2ae7ac80000(0000) knlGS:0000000000000000 [ 56.732368] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.738783] CR2: ffffffff9b4d9f00 CR3: 0000000103154005 CR4: 00000000003706e0 [ 56.746754] Call Trace: [ 56.749481] ? execute_location+0x48/0x56 [ 56.753955] ? direct_entry.cold+0x2c/0x38 [ 56.758528] ? full_proxy_write+0x56/0x80 [ 56.762994] ? vfs_write+0xea/0x390 [ 56.766878] ? ksys_write+0x68/0xe0 [ 56.770762] ? do_syscall_64+0x33/0x40 [ 56.774946] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 56.780781] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 2ae7ad2c660 RSI: ffffa2ae7ad1bf70 RDI: ffffa2ae7ad1bf70 # [ 5[ 56.807240] CR2: ffffffff9b4d9f00 [ 56.817151] ---[ end trace 0e9ee7a379cc4f5d ]--- [ 56.822311] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 56.826688] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 19 70 02 [ 56.847672] RSP: 0018:ffffc080c13ffe60 EFLAGS: 00010286 [ 56.853505] RAX: ffffffff9a8b1b30 RBX: 0000000000000001 RCX: 0000000000000000 [ 56.861474] RDX: 0000000000000000 RSI: ffffa2ae7ac1bf70 RDI: ffffffff9b4d9a70 [ 56.869443] RBP: ffffffff9b91b088 R08: 0000000000000001 R09: 0000000000000001 [ 56.877411] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 56.885381] R13: ffffc080c13fff10 R14: ffffc080c13fff10 R15: ffffa2ae0327f000 [ 56.893360] FS: 00007f15edb22580(0000) GS:ffffa2ae7ac80000(0000) knlGS:0000000000000000 [ 56.902399] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.908815] CR2: ffffffff9b4d9f00 CR3: 0000000103154005 CR4: 00000000003706e0 [ 56.916785] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 56.926698] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1768, name: cat [ 56.935154] INFO: lockdep is turned off. [ 56.939530] irq event stamp: 0 [ 56.942936] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 56.949936] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 56.959062] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 56.968198] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 56.975196] CPU: 1 PID: 1768 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 56.983845] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 56.990648] Call Trace: [ 56.993375] dump_stack+0x77/0x97 [ 56.997075] ___might_sleep.cold+0xa6/0xb6 3.064956] RBP: ffffffff9b8bfd35 R08: 0000000000000000 R09: 00000[ 57.001650] exit_signals+0x1c/0x2d0 [ 57.011849] do_exit+0xd5/0xb00 [ 57.015364] ? ksys_write+0x68/0xe0 [ 57.019257] rewind_stack_do_exit+0x17/0x20 [ 57.023926] RIP: 0033:0x7f15eda4af33 [ 57.027906] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 57.048891] RSP: 002b:00007fff25a80668 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 57.057364] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f15eda4af33 [ 57.065334] RDX: 000000000000000c RSI: 00007f15ed93b000 RDI: 0000000000000001 [ 57.073311] RBP: 00007f15ed93b000 R08: 00007f15ed93a010 R09: 0000000000000000 [ 57.081281] R10: 00007f15edb451c0 R11: 0000000000000246 R12: 0000000000000001 [ 57.089275] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 00000000000 # [ 53.079139] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 53.093327] R13: ffffc080c1a27f10 R14: ffffc080c1a27f10 R15: ffffa2ae04fb1000 # [ 53.107520] FS: 00007f4e15378580(0000) GS:ffffa2ae7ad00000(0000) knlGS:0000000000000000 # [ 53.122779] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 53.135422] CR2: 00007f4e15191000 CR3: 0000000103086001 CR4: 00000000003706e0 # [ 53.149607] Call Trace: # [ 53.158553] lkdtm_UNSET_SMEP.cold+0x1d/0x103 # [ 53.169636] direct_entry.cold+0x2c/0x38 # [ 53.180232] full_proxy_write+0x56/0x80 # [ 53.190729] vfs_write+0xea/0x390 # [ 53.200645] ksys_write+0x68/0xe0 # [ 53.210562] do_syscall_64+0x33/0x40 # [ 53.220770] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 53.232629] RIP: 0033:0x7f4e152a0f33 # [ 53.242837] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff[ 57.182739] lkdtm: Performing direct entry EXEC_USERSPACE ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 [ 57.190345] lkdtm: attempting ok execution at ffffffff9a8b1f00 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83[ 57.203096] lkdtm: attempting bad execution at 00007f8a0534c000 ec 28 48 89 54 24 18 # [ 53.263828] RSP: 002b:00007ffdd6a138[ 57.215931] unable to execute userspace code (SMEP?) (uid: 0) [ 57.228546] BUG: unable to handle page fault for address: 00007f8a0534c000 [ 57.236224] #PF: supervisor instruction fetch in kernel mode [ 57.242542] #PF: error_code(0x0011) - permissions violation [ 57.248765] PGD 80000001029ba067 P4D 80000001029ba067 PUD 1029f8067 PMD 1056fd067 PTE 106885067 [ 57.258491] Oops: 0011 [#10] SMP PTI [ 57.262479] CPU: 0 PID: 1804 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 57.271127] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 57.277932] RIP: 0010:0x7f8a0534c000 [ 57.281911] Code: Unable to access opcode bytes at RIP 0x7f8a0534bfd6. [ 57.289200] RSP: 0018:ffffc080c24bfe50 EFLAGS: 00010246 [ 57.295033] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 [ 57.303002] RDX: 0000000000000000 RSI: ffffa2ae7ac1bf70 RDI: ffffa2ae7ac1bf70 [ 57.310972] RBP: 00007f8a0534c000 R08: 0000000000000000 R09: 0000000000000000 [ 57.318942] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f [ 57.326912] R13: ffffc080c24bff10 R14: ffffc080c24bff10 R15: ffffa2ae04cfa000 [ 57.334882] FS: 00007f8a0531d580(0000) GS:ffffa2ae7ac00000(0000) knlGS:0000000000000000 [ 57.343920] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.350351] CR2: 00007f8a0534c000 CR3: 0000000102962004 CR4: 00000000003706f0 [ 57.358323] Call Trace: [ 57.361051] ? lkdtm_EXEC_USERSPACE.cold+0x69/0xae [ 57.366405] ? direct_entry.cold+0x2c/0x38 [ 57.370970] ? full_proxy_write+0x56/0x80 [ 57.375445] ? vfs_write+0xea/0x390 [ 57.379327] ? ksys_write+0x68/0xe0 [ 57.383220] ? do_syscall_64+0x33/0x40 [ 57.387403] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 57.393238] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 57.419669] CR2: 00007f8a0534c000 [ 57.423367] ---[ end trace 0e9ee7a379cc4f5e ]--- [ 57.428521] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 57.432888] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 19 70 02 [ 57.453870] RSP: 0018:ffffc080c13ffe60 EFLAGS: 00010286 [ 57.459703] RAX: ffffffff9a8b1b30 RBX: 0000000000000001 RCX: 0000000000000000 [ 57.467672] RDX: 0000000000000000 RSI: ffffa2ae7ac1bf70 RDI: ffffffff9b4d9a70 [ 57.475640] RBP: ffffffff9b91b088 R08: 0000000000000001 R09: 0000000000000001 [ 57.483609] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 57.491577] R13: ffffc080c13fff10 R14: ffffc080c13fff10 R15: ffffa2ae0327f000 [ 57.499549] FS: 00007f8a0531d580(0000) GS:ffffa2ae7ac00000(0000) knlGS:0000000000000000 [ 57.508585] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.515001] CR2: 00007f8a0534c000 CR3: 0000000102962004 CR4: 00000000003706f0 f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 53.278499] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f4e152a0f33 # [ 53.286476] RDX: 000000000000000b RSI: 00007f4e15191000 RDI: 0000000000000001 # [ 53.300660] RBP: 00007f4e15191000 R08: 00007f4e15190010 R09: 0000000000000000 # [ 53.308637] R10: 00007f4e1539b1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 53.322820] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 53.330800] irq event stamp: 0 # [ 53.340415] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 53.347422] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 53.347425] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 53.347426] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 53.347428] ---[ end trace 0e9ee7a379cc4f58 ]--- # [ 53.390281] lkdtm: ok: SMEP did not get cleared # [ 53.395341] lkdtm: trying to clear SMEP with call gadget # [ 53.401277] 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 # [ 53.486213] lkdtm: Performing direct entry DOUBLE_FAULT # [ 53.493069] lkdtm: XFAIL: this test is ia32-only # DOUBLE_FAULT: saw 'XFAIL': [SKIP] ok 15 selftests: lkdtm: DOUBLE_FAULT.sh # SKIP # selfte[ 57.655642] lkdtm: Performing direct entry EXEC_NULL [ 57.665271] lkdtm: attempting ok execution at ffffffff9a8b1f00 [ 57.671836] lkdtm: attempting bad execution at 0000000000000000 [ 57.678473] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 57.686257] #PF: supervisor instruction fetch in kernel mode sts: lkdtm: CORRUPT_PAC.sh # [ 53.557991] lkdtm: Performing d[ 57.692579] #PF: error_code(0x0010) - not-present page [ 57.704529] PGD 0 P4D 0 [ 57.707355] Oops: 0010 [#11] SMP PTI [ 57.711337] CPU: 1 PID: 1840 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 57.719988] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 57.726786] RIP: 0010:0x0 [ 57.729706] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. [ 57.737384] RSP: 0018:ffffc080c2537e48 EFLAGS: 00010246 [ 57.743217] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 57.751186] RDX: 0000000000000000 RSI: ffffa2ae7ac9bf70 RDI: ffffa2ae7ac9bf70 [ 57.759159] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 57.767127] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 57.775097] R13: ffffc080c2537f10 R14: ffffc080c2537f10 R15: ffffa2ae05474000 [ 57.783069] FS: 00007f21ad653580(0000) GS:ffffa2ae7ac80000(0000) knlGS:0000000000000000 [ 57.792106] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.798521] CR2: ffffffffffffffd6 CR3: 0000000105d3c002 CR4: 00000000003706e0 [ 57.806491] Call Trace: [ 57.809219] execute_location+0x48/0x56 [ 57.813499] direct_entry.cold+0x2c/0x38 [ 57.817878] full_proxy_write+0x56/0x80 [ 57.822160] vfs_write+0xea/0x390 [ 57.825858] ksys_write+0x68/0xe0 [ 57.829547] do_syscall_64+0x33/0x40 [ 57.833536] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 57.839176] RIP: 0033:0x7f21ad57bf33 [ 57.843165] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 57.864149] RSP: 002b:00007ffe03f18bd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 57.872603] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f21ad57bf33 [ 57.880572] RDX: 000000000000000a RSI: 00007f21ad46c000 RDI: 0000000000000001 [ 57.888539] RBP: 00007f21ad46c000 R08: 00007f21ad46b010 R09: 0000000000000000 [ 57.896510] R10: 00007f21ad6761c0 R11: 0000000000000246 R12: 0000000000000001 [ 57.904479] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 57.912452] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify irect entry CORRUPT_PAC # [ 53.566166] lkdtm: XFAIL: this tes[ 57.938906] CR2: 0000000000000000 [ 57.948817] ---[ end trace 0e9ee7a379cc4f5f ]--- [ 57.953965] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 57.958356] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 19 70 02 [ 57.979337] RSP: 0018:ffffc080c13ffe60 EFLAGS: 00010286 [ 57.985213] RAX: ffffffff9a8b1b30 RBX: 0000000000000001 RCX: 0000000000000000 [ 57.993184] RDX: 0000000000000000 RSI: ffffa2ae7ac1bf70 RDI: ffffffff9b4d9a70 [ 58.001155] RBP: ffffffff9b91b088 R08: 0000000000000001 R09: 0000000000000001 [ 58.009126] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 58.017096] R13: ffffc080c13fff10 R14: ffffc080c13fff10 R15: ffffa2ae0327f000 [ 58.025065] FS: 00007f21ad653580(0000) GS:ffffa2ae7ac80000(0000) knlGS:0000000000000000 [ 58.034102] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.040520] CR2: ffffffffffffffd6 CR3: 0000000105d3c002 CR4: 00000000003706e0 t is arm64-only # CORRUPT_PAC: saw 'XFAIL': [SKIP] ok 16 selftests: lkdtm: CORRUPT_PAC.sh # SKIP # selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh # [ 53.640970] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 53.653254] 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 # [ 53.789897] lkdtm: Performing direct entry READ_AFTER_FREE # [ 53.797583] lkdtm: Value in memory before free: 12345678 # [ 53.809735] lkdtm: Attempting bad read from freed memory # [ 53.821878] 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 #[ 58.167000] lkdtm: Performing direct entry ACCESS_USERSPACE SKIP # selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh # [ 53.93[ 58.179082] lkdtm: attempting bad read at 00007f330deca000 2586] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ [ 58.191420] BUG: unable to handle page fault for address: 00007f330deca000 [ 58.205309] #PF: supervisor read access in kernel mode [ 58.211044] #PF: error_code(0x0001) - permissions violation [ 58.217265] PGD 8000000105d7b067 P4D 8000000105d7b067 PUD 105dc4067 PMD 105dab067 PTE 114844067 53.945090] lkdtm: Value in memory before free: 12345678 # [ [ 58.226986] Oops: 0001 [#12] SMP PTI [ 58.237187] CPU: 2 PID: 1875 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 58.245836] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 58.252643] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x3d/0x9f 53.951030] lkdtm: Attempting to read from freed memory # [ 5[ 58.258866] Code: 2b 04 25 28 00 00 00 75 60 48 83 c4 10 5d c3 48 89 ee 48 c7 c7 c8 0d 8c 9b e8 73 9d fd ff 48 c7 c7 f0 0d 8c 9b b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 5a 9d fd ff 48 89 ee 48 c7 c7 18 0e 8c [ 58.286064] RSP: 0018:ffffc080c2597e48 EFLAGS: 00010246 [ 58.291898] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 [ 58.299868] RDX: 0000000000000000 RSI: ffffa2ae7ad1bf70 RDI: ffffffff9b8c0df0 [ 58.307837] RBP: 00007f330deca000 R08: 0000000000000000 R09: 0000000000000000 [ 58.315809] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 [ 58.323779] R13: ffffc080c2597f10 R14: ffffc080c2597f10 R15: ffffa2ae05657000 [ 58.331750] FS: 00007f330de9b580(0000) GS:ffffa2ae7ad00000(0000) knlGS:0000000000000000 [ 58.340787] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.347202] CR2: 00007f330deca000 CR3: 0000000102962005 CR4: 00000000003706e0 [ 58.355170] Call Trace: [ 58.357897] direct_entry.cold+0x2c/0x38 3.956875] lkdtm: Buddy page was not poisoned # READ_BUDDY_AFTER[ 58.362279] full_proxy_write+0x56/0x80 [ 58.372771] vfs_write+0xea/0x390 [ 58.376469] ksys_write+0x68/0xe0 [ 58.380166] do_syscall_64+0x33/0x40 [ 58.384146] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 58.389787] RIP: 0033:0x7f330ddc3f33 [ 58.393776] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 58.414752] RSP: 002b:00007ffe3b88a798 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 58.423209] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f330ddc3f33 [ 58.431180] RDX: 0000000000000011 RSI: 00007f330dcb4000 RDI: 0000000000000001 [ 58.439149] RBP: 00007f330dcb4000 R08: 00007f330dcb3010 R09: 0000000000000000 [ 58.447117] R10: 00007f330debe1c0 R11: 0000000000000246 R12: 0000000000000001 [ 58.455086] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 _FREE: missing 'call trace:': [FAIL] not ok 22 selftests: lkdtm[ 58.463057] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 58.495700] CR2: 00007f330deca000 [ 58.499399] ---[ end trace 0e9ee7a379cc4f60 ]--- [ 58.504553] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 58.508922] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 19 70 02 [ 58.529904] RSP: 0018:ffffc080c13ffe60 EFLAGS: 00010286 [ 58.535737] RAX: ffffffff9a8b1b30 RBX: 0000000000000001 RCX: 0000000000000000 [ 58.543706] RDX: 0000000000000000 RSI: ffffa2ae7ac1bf70 RDI: ffffffff9b4d9a70 [ 58.551676] RBP: ffffffff9b91b088 R08: 0000000000000001 R09: 0000000000000001 [ 58.559647] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 58.567616] R13: ffffc080c13fff10 R14: ffffc080c13fff10 R15: ffffa2ae0327f000 [ 58.575587] FS: 00007f330de9b580(0000) GS:ffffa2ae7ad00000(0000) knlGS:0000000000000000 [ 58.584624] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.591038] CR2: 00007f330deca000 CR3: 0000000102962005 CR4: 00000000003706e0 [ 58.599007] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 58.608919] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1875, name: cat [ 58.617373] INFO: lockdep is turned off. [ 58.621749] irq event stamp: 0 [ 58.625154] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 58.632155] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 58.641311] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 58.650445] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 58.657443] CPU: 2 PID: 1875 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 58.666094] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 58.672898] Call Trace: [ 58.675627] dump_stack+0x77/0x97 : READ_BUDDY_AFTER_FREE.sh # exit=1 # selftests: lkdtm: SLAB_FR[ 58.679327] ___might_sleep.cold+0xa6/0xb6 [ 58.690112] exit_signals+0x1c/0x2d0 [ 58.694100] do_exit+0xd5/0xb00 [ 58.697602] ? ksys_write+0x68/0xe0 [ 58.701494] rewind_stack_do_exit+0x17/0x20 [ 58.706153] RIP: 0033:0x7f330ddc3f33 [ 58.710141] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 58.731128] RSP: 002b:00007ffe3b88a798 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 58.739576] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f330ddc3f33 [ 58.747545] RDX: 0000000000000011 RSI: 00007f330dcb4000 RDI: 0000000000000001 [ 58.755515] RBP: 00007f330dcb4000 R08: 00007f330dcb3010 R09: 0000000000000000 [ 58.763484] R10: 00007f330debe1c0 R11: 0000000000000246 R12: 0000000000000001 [ 58.771453] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 EE_DOUBLE.sh # [ 54.028636] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 54.036486] 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 # [ 54.141466] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 54.153725] 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 # [ 54.236585] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 54.246378] 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[ 58.856317] lkdtm: Performing direct entry ACCESS_NULL [ 58.865959] lkdtm: attempting bad read at 0000000000000000 [ 58.872097] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 58.879880] #PF: supervisor read access in kernel mode [ 58.885617] #PF: error_code(0x0000) - not-present page [ 58.891351] PGD 0 P4D 0 [ 58.894179] Oops: 0000 [#13] SMP PTI [ 58.898168] CPU: 1 PID: 1910 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 58.906820] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 58.913628] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 SOFTLOCKUP: Hangs the system ok 26 selftests: lkdtm: SOFTLOCKU[ 58.918882] Code: 17 9d fd ff be 00 10 00 00 48 89 ef e8 74 db 3f ff e9 6d ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 c8 0d 8c 9b e8 f1 9c fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 f0 0d 8c 9b 48 01 [ 58.946080] RSP: 0018:ffffc080c264fe58 EFLAGS: 00010246 [ 58.951915] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 [ 58.959885] RDX: 0000000000000000 RSI: ffffa2ae7ac9bf70 RDI: ffffa2ae7ac9bf70 [ 58.967854] RBP: ffffffff9b8bfeb9 R08: 0000000000000000 R09: 0000000000000000 [ 58.975826] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 58.983797] R13: ffffc080c264ff10 R14: ffffc080c264ff10 R15: ffffa2ae0342f000 [ 58.991768] FS: 00007f38e87e1580(0000) GS:ffffa2ae7ac80000(0000) knlGS:0000000000000000 [ 59.000807] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.007224] CR2: 0000000000000000 CR3: 0000000105c42006 CR4: 00000000003706e0 [ 59.015193] Call Trace: [ 59.017922] direct_entry.cold+0x2c/0x38 [ 59.022313] full_proxy_write+0x56/0x80 [ 59.026595] vfs_write+0xea/0x390 [ 59.030313] ksys_write+0x68/0xe0 [ 59.034010] do_syscall_64+0x33/0x40 [ 59.037999] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 59.043638] RIP: 0033:0x7f38e8709f33 [ 59.047626] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 59.068612] RSP: 002b:00007fff6848c378 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 59.077068] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f38e8709f33 [ 59.085038] RDX: 000000000000000c RSI: 00007f38e85fa000 RDI: 0000000000000001 [ 59.093009] RBP: 00007f38e85fa000 R08: 00007f38e85f9010 R09: 0000000000000000 [ 59.100979] R10: 00007f38e88041c0 R11: 0000000000000246 R12: 0000000000000001 [ 59.108948] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 59.116918] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify P.sh # SKIP # selftests: lkdtm: HARDLOCKUP.sh # Skipping HARDL[ 59.143379] CR2: 0000000000000000 [ 59.153315] ---[ end trace 0e9ee7a379cc4f61 ]--- [ 59.158471] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 59.162846] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 19 70 02 [ 59.183833] RSP: 0018:ffffc080c13ffe60 EFLAGS: 00010286 [ 59.189667] RAX: ffffffff9a8b1b30 RBX: 0000000000000001 RCX: 0000000000000000 [ 59.197638] RDX: 0000000000000000 RSI: ffffa2ae7ac1bf70 RDI: ffffffff9b4d9a70 [ 59.205608] RBP: ffffffff9b91b088 R08: 0000000000000001 R09: 0000000000000001 [ 59.213577] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 59.221548] R13: ffffc080c13fff10 R14: ffffc080c13fff10 R15: ffffa2ae0327f000 [ 59.229519] FS: 00007f38e87e1580(0000) GS:ffffa2ae7ac80000(0000) knlGS:0000000000000000 [ 59.238557] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.244973] CR2: 0000000000000000 CR3: 0000000105c42006 CR4: 00000000003706e0 OCKUP: Hangs the system ok 27 selftests: lkdtm: HARDLOCKUP.sh # SKIP # selftests: lkdtm: SPINLOCKUP.sh # Skipping SPINLOCKUP: Hangs the system ok 28 selftests: lkdtm: SPINLOCKUP.sh # SKIP # selftests: lkdtm: HUNG_TASK.sh # Skipping HUNG_TASK: Hangs the system ok 29 selftests: lkdtm: HUNG_TASK.sh # SKIP # selftests: lkdtm: EXEC_DATA.sh # Killed # [ 54.418233] lkdtm: Performing direct entry EXEC_DATA # [ 54.425268] lkdtm: attempting ok execution at ffffffff9a8b1f00 # [ 54.437998] lkdtm: attempting bad execution at ffffffff9cfb3560 # [ 54.450827] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 54.465397] BUG: unable to handle page fault for address: ffffffff9cfb3560 # [ 54.473074] #PF: supervisor instruction fetch in kernel mode # [ 54.479393] #PF: error_code(0x0011) -[ 59.330302] lkdtm: Performing direct entry WRITE_RO [ 59.339231] lkdtm: attempting bad rodata write at ffffffff9b4d9ef0 [ 59.346146] BUG: unable to handle page fault for address: ffffffff9b4d9ef0 [ 59.353831] #PF: supervisor write access in kernel mode permissions violation # [ 54.485616] PGD 15ae29067 P4D 15ae2[ 59.359665] #PF: error_code(0x0003) - permissions violation [ 59.372101] PGD 15ae29067 P4D 15ae29067 PUD 15ae2a063 PMD 800000015a8000e1 9067 PUD 15ae2a063 PMD 800000015c2000e3 # [ 54.493394] Oops:[ 59.379883] Oops: 0003 [#14] SMP PTI [ 59.390085] CPU: 3 PID: 1945 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 59.398738] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 59.405547] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a [ 59.410506] Code: 00 48 c7 c7 a8 0c 8c 9b 48 c7 c6 f0 9e 4d 9b e8 93 9f fd ff 48 8b 05 16 31 5e 00 ba 34 12 cd ab 48 c7 c7 d8 0c 8c 9b 48 31 d0 <48> 89 05 00 31 5e 00 e9 71 9f fd ff 0f 1f 44 00 00 48 8b 05 27 55 [ 59.431491] RSP: 0018:ffffc080c26dfe60 EFLAGS: 00010202 [ 59.437325] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 [ 59.445307] RDX: 00000000abcd1234 RSI: ffffa2ae7ad9bf70 RDI: ffffffff9b8c0cd8 [ 59.453278] RBP: ffffffff9b8bfec5 R08: 0000000000000000 R09: 0000000000000000 [ 59.461250] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 [ 59.469221] R13: ffffc080c26dff10 R14: ffffc080c26dff10 R15: ffffa2ae054b1000 [ 59.477191] FS: 00007fc99e9cb580(0000) GS:ffffa2ae7ad80000(0000) knlGS:0000000000000000 [ 59.486228] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.492645] CR2: ffffffff9b4d9ef0 CR3: 0000000103028002 CR4: 00000000003706e0 [ 59.500615] Call Trace: [ 59.503357] direct_entry.cold+0x2c/0x38 [ 59.507732] full_proxy_write+0x56/0x80 [ 59.512012] vfs_write+0xea/0x390 [ 59.515710] ksys_write+0x68/0xe0 [ 59.519398] do_syscall_64+0x33/0x40 [ 59.523387] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 59.529027] RIP: 0033:0x7fc99e8f3f33 [ 59.533017] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 59.553996] RSP: 002b:00007ffc3885bd78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 59.562453] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007fc99e8f3f33 [ 59.570424] RDX: 0000000000000009 RSI: 00007fc99e7e4000 RDI: 0000000000000001 [ 59.578395] RBP: 00007fc99e7e4000 R08: 00007fc99e7e3010 R09: 0000000000000000 [ 59.586365] R10: 00007fc99e9ee1c0 R11: 0000000000000246 R12: 0000000000000001 [ 59.594336] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 59.602329] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 59.628810] CR2: ffffffff9b4d9ef0 [ 59.632507] ---[ end trace 0e9ee7a379cc4f62 ]--- [ 59.637663] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 59.642040] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 19 70 02 [ 59.663026] RSP: 0018:ffffc080c13ffe60 EFLAGS: 00010286 [ 59.668862] RAX: ffffffff9a8b1b30 RBX: 0000000000000001 RCX: 0000000000000000 [ 59.676832] RDX: 0000000000000000 RSI: ffffa2ae7ac1bf70 RDI: ffffffff9b4d9a70 [ 59.684803] RBP: ffffffff9b91b088 R08: 0000000000000001 R09: 0000000000000001 [ 59.692773] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 59.700743] R13: ffffc080c13fff10 R14: ffffc080c13fff10 R15: ffffa2ae0327f000 [ 59.708711] FS: 00007fc99e9cb580(0000) GS:ffffa2ae7ad80000(0000) knlGS:0000000000000000 [ 59.717751] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.724166] CR2: ffffffff9b4d9ef0 CR3: 0000000103028002 CR4: 00000000003706e0 [ 59.732137] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 59.742051] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1945, name: cat [ 59.750506] INFO: lockdep is turned off. [ 59.754882] irq event stamp: 0 [ 59.758308] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 59.765311] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 59.774449] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 59.783586] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 59.790586] CPU: 3 PID: 1945 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 59.799237] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 59.806040] Call Trace: [ 59.808767] dump_stack+0x77/0x97 [ 59.812456] ___might_sleep.cold+0xa6/0xb6 [ 59.817029] exit_signals+0x1c/0x2d0 [ 59.821018] do_exit+0xd5/0xb00 [ 59.824520] ? ksys_write+0x68/0xe0 [ 59.828412] rewind_stack_do_exit+0x17/0x20 [ 59.833071] RIP: 0033:0x7fc99e8f3f33 [ 59.837058] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 59.858045] RSP: 002b:00007ffc3885bd78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 59.866493] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007fc99e8f3f33 [ 59.874464] RDX: 0000000000000009 RSI: 00007fc99e7e4000 RDI: 0000000000000001 [ 59.882434] RBP: 00007fc99e7e4000 R08: 00007fc99e7e3010 R09: 0000000000000000 [ 59.890403] R10: 00007fc99e9ee1c0 R11: 0000000000000246 R12: 0000000000000001 [ 59.898373] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0011 [#5] SMP PTI # [ 54.497307] CPU: 2 PID: 1624 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 54.505956] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 54.512764] RIP: 0010:data_area+0x0/0x40 # [ 54.517141] Code: ff ff 00 ab 84 00 ae a2 ff ff 00 aa 84 00 ae a2 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 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 # [ 54.544340] RSP: 0018:ffffc080c21efe48 EFLAGS: 00010246 # [ 54.550172] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 54.558143] RDX: 0000000000000000 RSI: ffffa2ae7ad1bf70 RDI: ffffa2ae7ad1bf70 # [ 54.566111] RBP: ffffffff9cfb3560 R08: 0000000000000000 R09: 0000000000000000 # [ 54.574080] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 54.582049] R13: ffffc080c21eff10 R14: ffffc0[ 59.988770] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT 80c21eff10 R15: ffffa2ae05cb3000 # [ 54.590018] FS: 00007f26[ 59.999990] lkdtm: attempting bad ro_after_init write at ffffffff9b93c328 d0031580(0000) GS:ffffa2ae7ad00000(0000) knlGS:0000000000000000[ 60.013786] BUG: unable to handle page fault for address: ffffffff9b93c328 [ 60.027650] #PF: supervisor write access in kernel mode [ 60.033483] #PF: error_code(0x0003) - permissions violation [ 60.039703] PGD 15ae29067 P4D 15ae29067 PUD 15ae2a063 PMD 104c87063 PTE 800000015ad3c061 [ 60.048751] Oops: 0003 [#15] SMP PTI [ 60.052739] CPU: 0 PID: 1980 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 60.061389] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 60.068198] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a [ 60.074232] Code: 0d 8c 9b e9 45 9f fd ff 48 c7 c7 30 0d 8c 9b e8 39 9f fd ff 48 8b 05 f4 54 a4 00 ba 34 12 cd ab 48 c7 c7 d8 0c 8c 9b 48 31 d0 <48> 89 05 de 54 a4 00 e9 17 9f fd ff 0f 1f 44 00 00 41 54 48 c7 c7 [ 60.095209] RSP: 0018:ffffc080c2767e60 EFLAGS: 00010202 [ 60.101044] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 [ 60.109015] RDX: 00000000abcd1234 RSI: ffffa2ae7ac1bf70 RDI: ffffffff9b8c0cd8 [ 60.116984] RBP: ffffffff9b8bfece R08: 0000000000000000 R09: 0000000000000000 [ 60.124955] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 [ 60.132925] R13: ffffc080c2767f10 R14: ffffc080c2767f10 R15: ffffa2ae04d6a000 [ 60.140895] FS: 00007f810d7e6580(0000) GS:ffffa2ae7ac00000(0000) knlGS:0000000000000000 [ 60.149933] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.156358] CR2: ffffffff9b93c328 CR3: 0000000104f48005 CR4: 00000000003706f0 [ 60.164328] Call Trace: [ 60.167056] direct_entry.cold+0x2c/0x38 [ 60.171437] full_proxy_write+0x56/0x80 [ 60.175723] vfs_write+0xea/0x390 [ 60.179420] ksys_write+0x68/0xe0 [ 60.183117] do_syscall_64+0x33/0x40 [ 60.187106] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 60.192747] RIP: 0033:0x7f810d70ef33 [ 60.196726] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 60.217712] RSP: 002b:00007ffecc3508a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 60.226168] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f810d70ef33 [ 60.234138] RDX: 0000000000000014 RSI: 00007f810d5ff000 RDI: 0000000000000001 [ 60.242107] RBP: 00007f810d5ff000 R08: 00007f810d5fe010 R09: 0000000000000000 [ 60.250078] R10: 00007f810d8091c0 R11: 0000000000000246 R12: 0000000000000001 [ 60.258048] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 60.266021] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 60.292461] CR2: ffffffff9b93c328 [ 60.296148] ---[ end trace 0e9ee7a379cc4f63 ]--- [ 60.301304] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 60.305679] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 19 70 02 [ 60.326663] RSP: 0018:ffffc080c13ffe60 EFLAGS: 00010286 [ 60.332495] RAX: ffffffff9a8b1b30 RBX: 0000000000000001 RCX: 0000000000000000 [ 60.340464] RDX: 0000000000000000 RSI: ffffa2ae7ac1bf70 RDI: ffffffff9b4d9a70 [ 60.348433] RBP: ffffffff9b91b088 R08: 0000000000000001 R09: 0000000000000001 [ 60.356404] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 60.364375] R13: ffffc080c13fff10 R14: ffffc080c13fff10 R15: ffffa2ae0327f000 [ 60.372346] FS: 00007f810d7e6580(0000) GS:ffffa2ae7ac00000(0000) knlGS:0000000000000000 [ 60.381385] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.387800] CR2: ffffffff9b93c328 CR3: 0000000104f48005 CR4: 00000000003706f0 # [ 54.599055] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.605470] CR2: ffffffff9cfb3560 CR3: 0000000104d5a003 CR4: 00000000003706e0 # [ 54.613438] Call Trace: # [ 54.616166] ? execute_location+0x48/0x56 # [ 54.620642] ? direct_entry.cold+0x2c/0x38 # [ 54.631428] ? full_proxy_write+0x56/0x80 # [ 54.635903] ? vfs_write+0xea/0x390 # [ 54.639785] ? ksys_write+0x68/0xe0 # [ 54.643677] ? do_syscall_64+0x33/0x40 # [ 54.647850] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 54.653685] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 54.686327] CR2: ffffffff9cfb3560 # [ 54.690024] ---[ end trace 0e9ee7a379cc4f59 ]--- # [ 54.695179] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 54.699554] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 19 70 02 # [ 54.720542] RSP: 0018:ffffc080c13ffe60 EFLAGS: 00010286 # [ 54.726368] RAX: ffffffff9a8b1b30 RBX: 0000000000000001 RCX: 0000000000000000 # [ 54.734337] RDX: 0000000000000000 RSI: ffffa2ae7ac1bf70 RDI: ffffffff9b4d9a70 # [ 54.742310] RBP: ffffffff9b91b088 R08: 0000000000000001 R09: 0000000000000001 # [ 54.750280] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 54.758273] R13: ffffc080c13fff10 R14: ffffc080c13fff10 R15: ffffa2ae0327f000 # [ 54.766243] FS: 00007f2[ 60.551961] lkdtm: Performing direct entry WRITE_KERN [ 60.563036] lkdtm: attempting bad 6573652 byte write at ffffffff9aef6d54 [ 60.570579] BUG: unable to handle page fault for address: ffffffff9aef6d54 6d[0031580(0000) GS:ffffa2ae7ad00000(0000) knlGS:0000000000000000 60.578272] #PF: supervisor write access in kernel mode [ 60.590324] #PF: error_code(0x0003) - permissions violation [ 60.596547] PGD 15ae29067 P4D 15ae29067 PUD 15ae2a063 PMD 15a2000e1 # [ 54.775281] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005[ 60.603650] Oops: 0003 [#16] SMP PTI [ 60.613852] CPU: 1 PID: 2015 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 60.622501] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 60.629314] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e [ 60.634468] Code: 53 48 c7 c3 54 6d ef 9a 49 89 dc 48 89 da 49 81 ec 00 1f 8b 9a 4c 89 e6 e8 ec 9e fd ff 48 89 df 4c 89 e1 48 c7 c6 00 1f 8b 9a a4 48 c7 c7 d8 0c 8c 9b e8 d1 9e fd ff 5b 41 5c e9 b7 fe ff ff [ 60.655455] RSP: 0018:ffffc080c27a7e50 EFLAGS: 00010246 [ 60.661307] RAX: 000000000000003c RBX: ffffffff9aef6d54 RCX: 0000000000644e54 [ 60.669279] RDX: 0000000000000000 RSI: ffffffff9a8b1f00 RDI: ffffffff9aef6d54 [ 60.677249] RBP: ffffffff9b8bfee2 R08: 0000000000000000 R09: 0000000000000000 [ 60.685220] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000644e54 [ 60.693192] R13: ffffc080c27a7f10 R14: ffffc080c27a7f10 R15: ffffa2ae05757000 [ 60.701162] FS: 00007f58f9c99580(0000) GS:ffffa2ae7ac80000(0000) knlGS:0000000000000000 [ 60.710201] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.716617] CR2: ffffffff9aef6d54 CR3: 0000000105dc0003 CR4: 00000000003706e0 [ 60.724586] Call Trace: [ 60.727315] direct_entry.cold+0x2c/0x38 [ 60.731695] full_proxy_write+0x56/0x80 [ 60.735977] vfs_write+0xea/0x390 [ 60.739666] ksys_write+0x68/0xe0 [ 60.743371] do_syscall_64+0x33/0x40 [ 60.747373] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 60.753013] RIP: 0033:0x7f58f9bc1f33 [ 60.756992] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 60.777975] RSP: 002b:00007ffcee3d1f48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 60.786431] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f58f9bc1f33 [ 60.794400] RDX: 000000000000000b RSI: 00007f58f9ab2000 RDI: 0000000000000001 [ 60.802370] RBP: 00007f58f9ab2000 R08: 00007f58f9ab1010 R09: 0000000000000000 [ 60.810339] R10: 00007f58f9cbc1c0 R11: 0000000000000246 R12: 0000000000000001 [ 60.818312] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 60.826283] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 0033 # [ 54.781722] CR2: ffffffff9cfb3560 CR3: 0000000104d5a0[ 60.852748] CR2: ffffffff9aef6d54 [ 60.862659] ---[ end trace 0e9ee7a379cc4f64 ]--- [ 60.867814] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 60.872190] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 19 70 02 [ 60.893177] RSP: 0018:ffffc080c13ffe60 EFLAGS: 00010286 [ 60.899010] RAX: ffffffff9a8b1b30 RBX: 0000000000000001 RCX: 0000000000000000 [ 60.906979] RDX: 0000000000000000 RSI: ffffa2ae7ac1bf70 RDI: ffffffff9b4d9a70 [ 60.914948] RBP: ffffffff9b91b088 R08: 0000000000000001 R09: 0000000000000001 [ 60.922919] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 60.930890] R13: ffffc080c13fff10 R14: ffffc080c13fff10 R15: ffffa2ae0327f000 [ 60.938861] FS: 00007f58f9c99580(0000) GS:ffffa2ae7ac80000(0000) knlGS:0000000000000000 [ 60.947899] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.954315] CR2: ffffffff9aef6d54 CR3: 0000000105dc0003 CR4: 00000000003706e0 [ 60.962312] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 60.972223] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 2015, name: cat [ 60.980679] INFO: lockdep is turned off. [ 60.985056] irq event stamp: 0 [ 60.988460] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 60.995462] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 61.004599] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 61.013735] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 61.020734] CPU: 1 PID: 2015 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 61.029383] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 61.036188] Call Trace: [ 61.038917] dump_stack+0x77/0x97 [ 61.042616] ___might_sleep.cold+0xa6/0xb6 [ 61.047188] exit_signals+0x1c/0x2d0 [ 61.051168] do_exit+0xd5/0xb00 [ 61.054670] ? ksys_write+0x68/0xe0 [ 61.058562] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 [ 61.064007] rewind_stack_do_exit+0x17/0x20 [ 61.068674] RIP: 0033:0x7f58f9bc1f33 [ 61.072662] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 61.093648] RSP: 002b:00007ffcee3d1f48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 61.102104] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f58f9bc1f33 [ 61.110075] RDX: 000000000000000b RSI: 00007f58f9ab2000 RDI: 0000000000000001 [ 61.118043] RBP: 00007f58f9ab2000 R08: 00007f58f9ab1010 R09: 0000000000000000 [ 61.126015] R10: 00007f58f9cbc1c0 R11: 0000000000000246 R12: 0000000000000001 [ 61.133984] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 03 CR4: 00000000003706e0 # [ 54.789692] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 54.799606] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1624, name: cat # [ 54.808061] INFO: lockdep is turned off. # [ 54.812438] irq event stamp: 0 # [ 54.815844] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 54.822835] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 54.831964] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 54.841090] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 54.848089] CPU: 2 PID: 1624 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 54.856739] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 54.863541] Call Trace: # [ 54.866270] dump_stack+0x77/0x97 # [ 54.869970] ___might_sleep.cold+0xa6/0xb6 # [ 54.880757] exit_signals+0x1c/0x2d0 # [ 54.884745] do_exit+0xd5/0xb00 # [ 54.888248] ? ksys_write+0x68/0xe0 # [ 54.892130] rewind_stack_do_exit+0x17/0x20 # [ 54.896799] RIP: 0033:0x7f26cff59f33 # [ 54.900787] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 54.921771] RSP: 002b:00007ffc680914a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 54.930227] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f26cff59f33 # [ 54.938196] RDX: 000000000000000a RSI: 00007f26cfe4a000 RDI: 0000000000000001 # [ 54.946167] RBP: 00007f26cfe4a000 R08: 0000[ 61.302968] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW [ 61.310298] lkdtm: attempting good refcount_inc() without overflow [ 61.317254] lkdtm: attempting bad refcount_inc() overflow [ 61.323326] ------------[ cut here ]------------ [ 61.328502] refcount_t: saturated; leaking memory. [ 61.333886] WARNING: CPU: 1 PID: 2050 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 7f26cfe49010 R09: 0000000000000000 # [ 54.954135] R10: 00007f[ 61.343227] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 61.375865] CPU: 1 PID: 2050 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 61.384549] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 61.391372] RIP: 0010:refcount_warn_saturate+0x49/0xf0 [ 61.397145] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 48 1d 76 01 00 75 f2 48 c7 c7 60 b9 85 9b c6 05 38 1d 76 01 01 e8 dd fb 92 00 <0f> 0b c3 80 3d 28 1d 76 01 00 75 d3 48 c7 c7 88 b9 85 9b c6 05 18 [ 61.418136] RSP: 0018:ffffc080c2837e48 EFLAGS: 00010286 [ 61.423974] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 [ 61.431950] RDX: ffffa2ae7acac660 RSI: ffffa2ae7ac9bf70 RDI: ffffa2ae7ac9bf70 [ 61.439957] RBP: ffffffff9b8bfeed R08: 0000000000000000 R09: 0000000000000000 [ 61.447933] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 [ 61.455907] R13: ffffc080c2837f10 R14: ffffc080c2837f10 R15: ffffa2ae033cb000 [ 61.463883] FS: 00007f879f19c580(0000) GS:ffffa2ae7ac80000(0000) knlGS:0000000000000000 [ 61.472927] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.479366] CR2: 00007f879efb5000 CR3: 0000000105620003 CR4: 00000000003706e0 [ 61.487343] Call Trace: [ 61.490118] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x94 [ 61.495503] direct_entry.cold+0x2c/0x38 [ 61.499916] full_proxy_write+0x56/0x80 [ 61.504204] vfs_write+0xea/0x390 [ 61.507934] ksys_write+0x68/0xe0 [ 61.511638] do_syscall_64+0x33/0x40 [ 61.515661] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 61.521317] RIP: 0033:0x7f879f0c4f33 26d00541c0 R11: 0000000000000246 R12: 0000000000000001 # [ 54[ 61.525316] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 61.552515] RSP: 002b:00007fff8f57c688 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 61.560977] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f879f0c4f33 [ 61.568952] RDX: 0000000000000016 RSI: 00007f879efb5000 RDI: 0000000000000001 [ 61.576925] RBP: 00007f879efb5000 R08: 00007f879efb4010 R09: 0000000000000000 .962104] R13: 0000000000000001 R14: 0000000000020000 R15: 000000[ 61.584900] R10: 00007f879f1bf1c0 R11: 0000000000000246 R12: 0000000000000001 0000020000 # EXEC_DATA: saw 'call trace:': ok ok 30 selftests:[ 61.599090] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 61.613282] irq event stamp: 0 [ 61.616721] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 61.623724] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 61.632863] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 61.642003] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 61.649003] ---[ end trace 0e9ee7a379cc4f65 ]--- [ 61.654151] lkdtm: Overflow detected: saturated lkdtm: EXEC_DATA.sh # selftests: lkdtm: EXEC_STACK.sh # Killed # [ 55.044898] lkdtm: Performing direct entry EXEC_STACK # [ 55.056521] lkdtm: attempting ok execution at ffffffff9a8b1f00 # [ 55.069253] lkdtm: attempting bad execution at ffffc080c227fe18 # [ 55.082080] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 55.096652] BUG: unable to handle page fault for address: ffffc080c227fe18 # [ 55.104325] #PF: supervisor instruction fetch in kernel mode # [ 55.110645] #PF: error_code(0x0011) - permissions violation # [ 55.116858] PGD 100000067 P4D 100000067 PUD 100210067 PMD 105d24067 PTE 800000010327d063 # [ 55.132116] Oops: 0011 [#6] SMP PTI # [ 55.136008] CPU: 2 PID: 1660 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 55.144657] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 55.151463] RIP: 0010:0xffffc080c227fe18 # [ 55.155840] Code: 00 00 18 fe 27 c2 80 c0 ff ff ad 6d ef 9a ff ff ff ff 20 00 00 00 00 00 00 00 5e fe 8b[ 61.753538] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW 9b ff ff ff ff d9 6e ef 9a ff ff ff ff <0f> 1f 44 00 00 c3 66 2[ 61.765395] lkdtm: attempting good refcount_add() without overflow e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 # [ 55.176813] RS[ 61.778515] lkdtm: attempting bad refcount_add() overflow P: 0018:ffffc080c227fdf8 EFLAGS: 00010246 # [ 55.182646] RAX:[ 61.790760] ------------[ cut here ]------------ 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 #[ 61.802133] refcount_t: saturated; leaking memory. [ 55.190616] RDX: 0000000000000000 RSI: ffffa2ae7ad1bf70 RDI:[ 61.813733] WARNING: CPU: 2 PID: 2082 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 ffffa2ae7ad1bf70 # [ 55.198584] RBP: ffffc080c227fe18 R08: 0[ 61.829253] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 000000000000000 R09: 0000000000000000 # [ 55.206551] R10: 000[ 61.861899] CPU: 2 PID: 2082 Comm: cat Tainted: G D W 5.10.129-cip12 #1 00000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ [ 61.876772] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 55.214519] R13: ffffc080c227ff10 R14: ffffc080c227ff10 R15: fff[ 61.889797] RIP: 0010:refcount_warn_saturate+0x49/0xf0 fa2ae0367d000 # [ 55.222488] FS: 00007fef43e35580(0000) GS:f[ 61.901752] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 48 1d 76 01 00 75 f2 48 c7 c7 60 b9 85 9b c6 05 38 1d 76 01 01 e8 dd fb 92 00 <0f> 0b c3 80 3d 28 1d 76 01 00 75 d3 48 c7 c7 88 b9 85 9b c6 05 18 fffa2ae7ad00000(0000) knlGS:0000000000000000 # [ 55.231518] C[ 61.928981] RSP: 0018:ffffc080c28d7e48 EFLAGS: 00010286 S: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.23792[ 61.941040] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 [ 61.955230] RDX: ffffa2ae7ad2c660 RSI: ffffa2ae7ad1bf70 RDI: ffffa2ae7ad1bf70 4] CR2: ffffc080c227fe18 CR3: 0000000104ef4001 CR4: 000000000037[ 61.963207] RBP: ffffffff9b8bff03 R08: 0000000000000000 R09: 0000000000000000 [ 61.977392] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 06e0 # [ 55.245894] Call Trace: # [ 55.248623] ? execute_[ 61.985369] R13: ffffc080c28d7f10 R14: ffffc080c28d7f10 R15: ffffa2ae04c71000 [ 61.999556] FS: 00007fc0a203a580(0000) GS:ffffa2ae7ad00000(0000) knlGS:0000000000000000 location+0x48/0x56 # [ 55.253097] ? lkdtm_EXEC_STACK+0x26/0x[ 62.008599] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.021230] CR2: 00007fc0a1e53000 CR3: 0000000104f4e002 CR4: 00000000003706e0 40 # [ 55.263785] ? direct_entry.cold+0x2c/0x38 # [ 55.26[ 62.029207] Call Trace: 8359] ? full_proxy_write+0x56/0x80 # [ 55.272836] ? vfs_wri[ 62.038151] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa3 te+0xea/0x390 # [ 55.276726] ? ksys_write+0x68/0xe0 # [ 5[ 62.049720] direct_entry.cold+0x2c/0x38 5.280619] ? do_syscall_64+0x33/0x40 # [ 55.284802] ? entry_[ 62.060318] full_proxy_write+0x56/0x80 SYSCALL_64_after_hwframe+0x44/0xa9 # [ 55.290638] Modules lin[ 62.070819] vfs_write+0xea/0x390 ked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core indu[ 62.080737] ksys_write+0x68/0xe0 strialio_triggered_buffer kfifo_buf industrialio cros_ec_lightba[ 62.090657] do_syscall_64+0x33/0x40 r cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhu[ 62.100868] entry_SYSCALL_64_after_hwframe+0x44/0xa9 b x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 55.3[ 62.112729] RIP: 0033:0x7fc0a1f62f33 [ 62.122939] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 23278] CR2: ffffc080c227fe18 # [ 55.326975] ---[ end trace 0e[ 62.143930] RSP: 002b:00007fff49fe8f88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 62.158603] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fc0a1f62f33 9ee7a379cc4f5a ]--- # [ 55.332123] RIP: 0010:lkdtm_BUG+0x5/0x[ 62.166579] RDX: 0000000000000016 RSI: 00007fc0a1e53000 RDI: 0000000000000001 10 # [ 55.336499] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 4[ 62.180768] RBP: 00007fc0a1e53000 R08: 00007fc0a1e52010 R09: 0000000000000000 8 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc[ 62.194962] R10: 00007fc0a205d1c0 R11: 0000000000000246 R12: 0000000000000001 [ 62.209153] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1[ 62.217135] irq event stamp: 0 [ 62.226750] hardirqs last enabled at (0): [<0000000000000000>] 0x0 f 44 00 00 83 05 e0 19 70 02 # [ 55.357479] RSP: 0018:ffffc08[ 62.233756] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 0c13ffe60 EFLAGS: 00010286 # [ 55.363306] RAX: ffffffff9a8b1b[ 62.249106] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 62.264463] softirqs last disabled at (0): [<0000000000000000>] 0x0 30 RBX: 0000000000000001 RCX: 0000000000000000 # [ 55.371275][ 62.271470] ---[ end trace 0e9ee7a379cc4f66 ]--- [ 62.282838] lkdtm: Overflow detected: saturated RDX: 0000000000000000 RSI: ffffa2ae7ac1bf70 RDI: ffffffff9b4d9a70 # [ 55.379243] RBP: ffffffff9b91b088 R08: 0000000000000001 R09: 0000000000000001 # [ 55.387211] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 55.395179] R13: ffffc080c13fff10 R14: ffffc080c13fff10 R15: ffffa2ae0327f000 # [ 55.403147] FS: 00007fef43e35580(0000) GS:ffffa2ae7ad00000(0000) knlGS:0000000000000000 # [ 55.412183] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.418599] CR2: ffffc080c227fe18 CR3: 0000000104ef4001 CR4: 00000000003706e0 # EXEC_STACK: saw 'call trace:': ok ok 31 selftests: lkdtm: EXEC_STACK.sh # selftests: lkdtm: EXEC_KMALLOC.sh # Killed # [ 55.498720] lkdtm: Performing direct entry EXEC_KMALLOC # [ 55.507011] lkdtm: attempting ok execution at ffffffff9a8b1f00 # [ 55.513554] lkdtm: attempting bad execution at ffffa2ae057eac00 # [ 55.520193] kernel tried to execute NX-protected page - exploit [ 62.375005] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW attempt? (uid: 0) # [ 55.528558] BUG: unable to handle page f[ 62.388737] lkdtm: attempting bad refcount_inc_not_zero() overflow ault for address: ffffa2ae057eac00 # [ 55.536237] #PF: superv[ 62.401863] ------------[ cut here ]------------ [ 62.413232] refcount_t: saturated; leaking memory. isor instruction fetch in kernel mode # [ 55.542547] #PF: err[ 62.418604] WARNING: CPU: 2 PID: 2114 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 or_code(0x0011) - permissions violation # [ 55.548768] PGD 15[ 62.434130] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify c401067 P4D 15c401067 PUD 100855063 PMD 10563e063 PTE 8000000105[ 62.466779] CPU: 2 PID: 2114 Comm: cat Tainted: G D W 5.10.129-cip12 #1 7ea163 # [ 55.557813] Oops: 0011 [#7] SMP PTI # [ 55.56792[ 62.481654] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 0] CPU: 1 PID: 1696 Comm: cat Tainted: G D W 5.10.1[ 62.494681] RIP: 0010:refcount_warn_saturate+0x87/0xf0 29-cip12 #1 # [ 55.576572] Hardware name: Google Rammus/Rammu[ 62.506636] Code: 05 18 1d 76 01 01 e8 be fb 92 00 0f 0b c3 80 3d 0b 1d 76 01 00 75 b4 48 c7 c7 60 b9 85 9b c6 05 fb 1c 76 01 01 e8 9f fb 92 00 <0f> 0b c3 80 3d e9 1c 76 01 00 75 95 48 c7 c7 b8 b9 85 9b c6 05 d9 s, BIOS 09/04/2020 # [ 55.583379] RIP: 0010:0xffffa2ae057eac[ 62.533867] RSP: 0018:ffffc080c2987e38 EFLAGS: 00010282 00 # [ 55.587747] Code: 00 00 02 00 00 00 00 00 00 00 80 a4 7[ 62.545925] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 [ 62.560113] RDX: ffffa2ae7ad2c660 RSI: ffffa2ae7ad1bf70 RDI: ffffa2ae7ad1bf70 e 05 ae a2 ff ff 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00[ 62.568089] RBP: ffffffff9b8bfb40 R08: 0000000000000000 R09: 0000000000000000 [ 62.582275] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 62.590249] R13: ffffc080c2987f10 R14: ffffc080c2987f10 R15: ffffa2ae02645000 [ 62.598225] FS: 00007f79beaf0580(0000) GS:ffffa2ae7ad00000(0000) knlGS:0000000000000000 bb b6 0f 9a ff ff ff ff <0f> 1f 44 00 00 c3 66 2e 0f 1f 84 00 0[ 62.607267] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.619898] CR2: 00007f79be909000 CR3: 0000000105d7c006 CR4: 00000000003706e0 [ 62.627872] Call Trace: 0 00 00 00 0f 1f 44 00 00 55 # [ 55.608725] RSP: 0018:ffffc08[ 62.630604] __refcount_add_not_zero.constprop.0+0x2a/0x31 0c2317e38 EFLAGS: 00010246 # [ 55.614558] RAX: 00000000000000[ 62.642951] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x72 [ 62.655393] direct_entry.cold+0x2c/0x38 33 RBX: 0000000000000001 RCX: 0000000000000000 # [ 55.622530][ 62.659777] full_proxy_write+0x56/0x80 [ 62.670271] vfs_write+0xea/0x390 RDX: 0000000000000000 RSI: ffffa2ae7ac9bf70 RDI: ffffa2ae7ac9bf[ 62.673973] ksys_write+0x68/0xe0 70 # [ 55.630500] RBP: ffffa2ae057eac00 R08: 0000000000000000[ 62.683886] do_syscall_64+0x33/0x40 [ 62.694095] entry_SYSCALL_64_after_hwframe+0x44/0xa9 R09: 0000000000000000 # [ 55.638471] R10: 00000000ffffe000 R[ 62.699764] RIP: 0033:0x7f79bea18f33 [ 62.709966] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 11: 3fffffffffffffff R12: 000000000000000d # [ 55.646442] R13[ 62.730959] RSP: 002b:00007ffee8c2c698 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 62.745629] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f79bea18f33 : ffffc080c2317f10 R14: ffffc080c2317f10 R15: ffffa2ae04cac000 [ 62.753607] RDX: 000000000000001f RSI: 00007f79be909000 RDI: 0000000000000001 # [ 55.654413] FS: 00007f8ce9b4b580(0000) GS:ffffa2ae7ac80000[ 62.767800] RBP: 00007f79be909000 R08: 00007f79be908010 R09: 0000000000000000 (0000) knlGS:0000000000000000 # [ 55.663450] CS: 0010 DS: 00[ 62.781993] R10: 00007f79beb131c0 R11: 0000000000000246 R12: 0000000000000001 00 ES: 0000 CR0: 0000000080050033 # [ 55.669866] CR2: ffffa2a[ 62.796183] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 e057eac00 CR3: 000000010377e001 CR4: 00000000003706e0 # [ 55.[ 62.810375] irq event stamp: 0 677837] Call Trace: # [ 55.680565] ? execute_location+0x48/0[ 62.819999] hardirqs last enabled at (0): [<0000000000000000>] 0x0 x56 # [ 55.685039] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 # [ 55.[ 62.833221] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 689707] ? direct_entry.cold+0x2c/0x38 # [ 55.694280] ? full[ 62.848577] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 _proxy_write+0x56/0x80 # [ 55.698777] ? vfs_write+0xea/0x390[ 62.863933] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 55.702669] ? ksys_write+0x68/0xe0 # [ 55.706561] ? [ 62.877152] ---[ end trace 0e9ee7a379cc4f67 ]--- do_syscall_64+0x33/0x40 # [ 55.710744] ? entry_SYSCALL_64_af[ 62.888526] lkdtm: Overflow detected: saturated ter_hwframe+0x44/0xa9 # [ 55.716578] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 55.743038] CR2: ffffa2ae057eac00 # [ 55.752947] ---[ end trace 0e9ee7a379cc4f5b ]--- # [ 55.758101] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 55.762479] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 19 70 02 # [ 55.783458] RSP: 0018:ffffc080c13ffe60 EFLAGS: 00010286 # [ 55.789306] RAX: ffffffff9a8b1b30 RBX: 00000[ 62.973602] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW [ 62.981968] lkdtm: attempting bad refcount_add_not_zero() overflow [ 62.988880] ------------[ cut here ]------------ [ 62.994039] refcount_t: saturated; leaking memory. [ 62.999419] WARNING: CPU: 3 PID: 2146 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 00000000001 RCX: 0000000000000000 # [ 55.797276] RDX: 0000000[ 63.008756] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 63.041400] CPU: 3 PID: 2146 Comm: cat Tainted: G D W 5.10.129-cip12 #1 000000000 RSI: ffffa2ae7ac1bf70 RDI: ffffffff9b4d9a70 # [ 55.[ 63.050056] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 63.063083] RIP: 0010:refcount_warn_saturate+0x87/0xf0 [ 63.068851] Code: 05 18 1d 76 01 01 e8 be fb 92 00 0f 0b c3 80 3d 0b 1d 76 01 00 75 b4 48 c7 c7 60 b9 85 9b c6 05 fb 1c 76 01 01 e8 9f fb 92 00 <0f> 0b c3 80 3d e9 1c 76 01 00 75 95 48 c7 c7 b8 b9 85 9b c6 05 d9 [ 63.089839] RSP: 0018:ffffc080c2a07e38 EFLAGS: 00010282 [ 63.095677] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 [ 63.103656] RDX: ffffa2ae7adac660 RSI: ffffa2ae7ad9bf70 RDI: ffffa2ae7ad9bf70 [ 63.111663] RBP: ffffffff9b8bfb60 R08: 0000000000000000 R09: 0000000000000000 [ 63.119661] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 63.127632] R13: ffffc080c2a07f10 R14: ffffc080c2a07f10 R15: ffffa2ae05790000 [ 63.135604] FS: 00007f454e87f580(0000) GS:ffffa2ae7ad80000(0000) knlGS:0000000000000000 [ 63.144644] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.151053] CR2: 00007f454e698000 CR3: 0000000105714006 CR4: 00000000003706e0 [ 63.159027] Call Trace: [ 63.161759] __refcount_add_not_zero.constprop.0+0x2a/0x31 [ 63.167914] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x72 [ 63.174140] direct_entry.cold+0x2c/0x38 [ 63.178522] full_proxy_write+0x56/0x80 [ 63.182807] vfs_write+0xea/0x390 [ 63.186509] ksys_write+0x68/0xe0 [ 63.190210] do_syscall_64+0x33/0x40 [ 63.194203] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 63.199845] RIP: 0033:0x7f454e7a7f33 [ 63.203837] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 63.224825] RSP: 002b:00007fffde6b5618 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 63.233302] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f454e7a7f33 805248] RBP: ffffffff9b91b088 R08: 0000000000000001 R09: 0000000[ 63.241283] RDX: 000000000000001f RSI: 00007f454e698000 RDI: 0000000000000001 [ 63.255470] RBP: 00007f454e698000 R08: 00007f454e697010 R09: 0000000000000000 [ 63.263443] R10: 00007f454e8a21c0 R11: 0000000000000246 R12: 0000000000000001 [ 63.271418] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 63.279392] irq event stamp: 0 [ 63.282801] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 63.289806] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 63.298945] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 63.308083] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 63.315076] ---[ end trace 0e9ee7a379cc4f68 ]--- [ 63.320234] lkdtm: Overflow detected: saturated 000000001 # [ 55.813219] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 55.821189] R13: ffffc080c13fff10 R14: ffffc080c13fff10 R15: ffffa2ae0327f000 # [ 55.829159] FS: 00007f8ce9b4b580(0000) GS:ffffa2ae7ac80000(0000) knlGS:0000000000000000 # [ 55.838198] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.844611] CR2: ffffa2ae057eac00 CR3: 000000010377e001 CR4: 00000000003706e0 # [ 55.852581] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 55.862492] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1696, name: cat # [ 55.870947] INFO: lockdep is turned off. # [ 55.875322] irq event stamp: 0 # [ 55.878728] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 55.885729] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 55.894867] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 55.903995] softirqs last disabled at (0): [<00000[ 63.424023] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO [ 63.431091] lkdtm: attempting good refcount_dec() [ 63.436372] lkdtm: attempting bad refcount_dec() to zero 00000000000>] 0x0 # [ 55.910995] CPU: 1 PID: 1696 Comm: cat T[ 63.442328] ------------[ cut here ]------------ [ 63.453670] refcount_t: decrement hit 0; leaking memory. [ 63.459624] WARNING: CPU: 1 PID: 2178 at lib/refcount.c:31 refcount_warn_saturate+0xdf/0xf0 [ 63.468964] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 63.495415] CPU: 1 PID: 2178 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 63.504069] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 63.510878] RIP: 0010:refcount_warn_saturate+0xdf/0xf0 [ 63.516619] Code: ff 48 c7 c7 10 ba 85 9b c6 05 b4 1c 76 01 01 e8 5d fb 92 00 0f 0b c3 48 c7 c7 e0 b9 85 9b c6 05 9f 1c 76 01 01 e8 47 fb 92 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 [ 63.537607] RSP: 0018:ffffc080c2a8fe48 EFLAGS: 00010286 [ 63.543446] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 [ 63.551418] RDX: ffffa2ae7acac660 RSI: ffffa2ae7ac9bf70 RDI: ffffa2ae7ac9bf70 [ 63.559391] RBP: ffffffff9b8bff19 R08: 0000000000000000 R09: 0000000000000000 [ 63.567365] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 63.575350] R13: ffffc080c2a8ff10 R14: ffffc080c2a8ff10 R15: ffffa2ae04fb1000 [ 63.583357] FS: 00007f0b31baa580(0000) GS:ffffa2ae7ac80000(0000) knlGS:0000000000000000 [ 63.592398] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.598816] CR2: 00007f0b319c3000 CR3: 00000001027f8003 CR4: 00000000003706e0 ainted: G D W 5.10.129-cip12 #1 # [ 55.919645] H[ 63.606784] Call Trace: ardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 55.9[ 63.615734] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xb9 [ 63.626917] direct_entry.cold+0x2c/0x38 26448] Call Trace: # [ 55.929177] dump_stack+0x77/0x97 # [ [ 63.631324] full_proxy_write+0x56/0x80 [ 63.641817] vfs_write+0xea/0x390 [ 63.645518] ksys_write+0x68/0xe0 [ 63.649219] do_syscall_64+0x33/0x40 [ 63.653211] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 63.658855] RIP: 0033:0x7f0b31ad2f33 [ 63.662847] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 63.683837] RSP: 002b:00007ffdfc0d0ff8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 63.692311] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f0b31ad2f33 55.932874] ___might_sleep.cold+0xa6/0xb6 # [ 55.937436] e[ 63.700286] RDX: 0000000000000012 RSI: 00007f0b319c3000 RDI: 0000000000000001 [ 63.714471] RBP: 00007f0b319c3000 R08: 00007f0b319c2010 R09: 0000000000000000 [ 63.722434] R10: 00007f0b31bcd1c0 R11: 0000000000000246 R12: 0000000000000001 [ 63.730398] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 63.738372] irq event stamp: 0 [ 63.741779] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 63.748774] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 63.757914] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 63.767052] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 63.774053] ---[ end trace 0e9ee7a379cc4f69 ]--- [ 63.779210] lkdtm: Zero detected: saturated xit_signals+0x1c/0x2d0 # [ 55.941426] do_exit+0xd5/0xb00 # [ 55.944920] ? ksys_write+0x68/0xe0 # [ 55.948811] rewind_stack_do_exit+0x17/0x20 # [ 55.953470] RIP: 0033:0x7f8ce9a73f33 # [ 55.957458] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 55.978443] RSP: 002b:00007ffd8200d4d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 55.986898] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f8ce9a73f33 # [ 55.994866] RDX: 000000000000000d RSI: 00007f8ce9964000 RDI: 0000000000000001 # [ 56.002836] RBP: 00007f8ce9964000 R08: 00007f8ce9963010 R09: 0000000000000000 # [ 56.010806] R10: 00007f8ce9b6e1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 56.018776] 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 # [ 56.106202] lkdtm: Performing direct entry EXEC_VMALLOC # [ 56.113436] lkdtm: attempting ok execution at ffffffff9a8b1f00 # [ 56.119960] lkdtm: attempting bad execution at ffffc080c069b000 # [ 56.126598] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ [ 63.909186] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE [ 63.921172] lkdtm: attempting bad refcount_dec() below zero [ 63.927404] ------------[ cut here ]------------ 56.134966] BUG: unable to handle page fault for address: ffffc[ 63.932570] refcount_t: decrement hit 0; leaking memory. 080c069b000 # [ 56.148861] #PF: supervisor instruction fetch [ 63.944731] WARNING: CPU: 3 PID: 2213 at lib/refcount.c:31 refcount_warn_saturate+0xdf/0xf0 [ 63.960295] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify in kernel mode # [ 56.155180] #PF: error_code(0x0011) - permi[ 63.986740] CPU: 3 PID: 2213 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 64.001605] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 64.008415] RIP: 0010:refcount_warn_saturate+0xdf/0xf0 [ 64.014155] Code: ff 48 c7 c7 10 ba 85 9b c6 05 b4 1c 76 01 01 e8 5d fb 92 00 0f 0b c3 48 c7 c7 e0 b9 85 9b c6 05 9f 1c 76 01 01 e8 47 fb 92 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 [ 64.035142] RSP: 0018:ffffc080c2b07e48 EFLAGS: 00010286 [ 64.040978] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 [ 64.048950] RDX: ffffa2ae7adac660 RSI: ffffa2ae7ad9bf70 RDI: ffffa2ae7ad9bf70 [ 64.056922] RBP: ffffffff9b8bff2b R08: 0000000000000000 R09: 0000000000000000 [ 64.064894] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 [ 64.072866] R13: ffffc080c2b07f10 R14: ffffc080c2b07f10 R15: ffffa2ae03025000 [ 64.080840] FS: 00007f8feb9f9580(0000) GS:ffffa2ae7ad80000(0000) knlGS:0000000000000000 [ 64.089880] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 64.096310] CR2: 00007f8feb812000 CR3: 00000001033e0002 CR4: 00000000003706e0 ssions violation # [ 56.161402] PGD 100000067 P4D 100000067 P[ 64.104285] Call Trace: [ 64.113229] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x5d [ 64.118604] direct_entry.cold+0x2c/0x38 [ 64.122985] full_proxy_write+0x56/0x80 [ 64.127268] vfs_write+0xea/0x390 [ 64.130969] ksys_write+0x68/0xe0 [ 64.134668] do_syscall_64+0x33/0x40 [ 64.138660] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 64.144311] RIP: 0033:0x7f8feb921f33 UD 100210067 PMD 1056a2067 PTE 8000000103311063 # [ 56.170446[ 64.148303] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 64.175504] RSP: 002b:00007ffd1c1cd8e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 64.183963] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f8feb921f33 [ 64.191935] RDX: 0000000000000016 RSI: 00007f8feb812000 RDI: 0000000000000001 [ 64.199898] RBP: 00007f8feb812000 R08: 00007f8feb811010 R09: 0000000000000000 [ 64.207860] R10: 00007f8feba1c1c0 R11: 0000000000000246 R12: 0000000000000001 [ 64.215826] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ] Oops: 0011 [#8] SMP PTI # [ 56.180553] CPU: 1 PID: 1732 Com[ 64.223804] irq event stamp: 0 [ 64.233422] hardirqs last enabled at (0): [<0000000000000000>] 0x0 m: cat Tainted: G D W 5.10.129-cip12 #1 # [ 56.1[ 64.240426] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 64.255777] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 89203] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 64.264920] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 64.278139] ---[ end trace 0e9ee7a379cc4f6a ]--- [ 56.196007] RIP: 0010:0xffffc080c069b000 # [ 56.200375] Co[ 64.283312] lkdtm: Negative detected: saturated de: Unable to access opcode bytes at RIP 0xffffc080c069afd6. # [ 56.208045] RSP: 0018:ffffc080c236fe38 EFLAGS: 00010246 # [ 56.213877] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 56.221848] RDX: 0000000000000000 RSI: ffffa2ae7ac9bf70 RDI: ffffa2ae7ac9bf70 # [ 56.229816] RBP: ffffc080c069b000 R08: 0000000000000000 R09: 0000000000000000 # [ 56.237787] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 56.245755] R13: ffffc080c236ff10 R14: ffffc080c236ff10 R15: ffffa2ae03311000 # [ 56.253727] FS: 00007fa5653e6580(0000) GS:ffffa2ae7ac80000(0000) knlGS:0000000000000000 # [ 56.262763] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.269180] CR2: ffffc080c069afd6 CR3: 00000001054b0002 CR4: 00000000003706e0 # [ 56.277149] Call Trace: # [ 56.279877] ? execute_location+0x48/0x56 # [ 56.284366] ? lkdtm_EXEC_VMALLOC+0x20/0x30 # [ 56.289035] ? direct_entry.cold+0x2c/0x38 # [ 56.293608] ? full_proxy_write+0x56/0x80 # [ 56.298075] ? vfs_write+0xea/0x390 # [ 56.301966] ? ksys_write+0x68/0xe0 # [ 56.305856] ? do_syscall_64+0x33/0x40 # [ 5[ 64.402714] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE [ 64.414080] lkdtm: attempting bad refcount_dec_and_test() below zero [ 64.421215] ------------[ cut here ]------------ [ 64.426406] refcount_t: underflow; use-after-free. 6.310038] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 56.[ 64.431800] WARNING: CPU: 3 PID: 2248 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 [ 64.447330] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 315873] Modules linked in: fuse ip_tables cros_ec_sensors cros_e[ 64.473815] CPU: 3 PID: 2248 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 64.488678] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 64.495489] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 c_sensors_core industrialio_triggered_buffer kfifo_buf industria[ 64.501231] Code: 05 fb 1c 76 01 01 e8 9f fb 92 00 0f 0b c3 80 3d e9 1c 76 01 00 75 95 48 c7 c7 b8 b9 85 9b c6 05 d9 1c 76 01 01 e8 80 fb 92 00 <0f> 0b c3 80 3d c8 1c 76 01 00 0f 85 72 ff ff ff 48 c7 c7 10 ba 85 [ 64.528441] RSP: 0018:ffffc080c2b6fe40 EFLAGS: 00010286 lio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debug[ 64.534302] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 [ 64.548489] RDX: ffffa2ae7adac660 RSI: ffffa2ae7ad9bf70 RDI: ffffa2ae7ad9bf70 [ 64.556461] RBP: ffffffff9b8bfb80 R08: 0000000000000000 R09: 0000000000000000 [ 64.564433] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 64.572405] R13: ffffc080c2b6ff10 R14: ffffc080c2b6ff10 R15: ffffa2ae04d61000 [ 64.580378] FS: 00007f313d2c6580(0000) GS:ffffa2ae7ad80000(0000) knlGS:0000000000000000 [ 64.589419] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 64.595838] CR2: 00007f313d0df000 CR3: 0000000104c1a004 CR4: 00000000003706e0 [ 64.603811] Call Trace: [ 64.606543] __refcount_sub_and_test.constprop.0+0x34/0x40 [ 64.612672] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x74 [ 64.618898] direct_entry.cold+0x2c/0x38 [ 64.623298] full_proxy_write+0x56/0x80 fs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd[ 64.627592] vfs_write+0xea/0x390 [ 64.637502] ksys_write+0x68/0xe0 [ 64.641203] do_syscall_64+0x33/0x40 [ 64.645194] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 64.650837] RIP: 0033:0x7f313d1eef33 [ 64.654827] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 64.675815] RSP: 002b:00007ffc08b692f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 64.684277] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f313d1eef33 [ 64.692250] RDX: 000000000000001f RSI: 00007f313d0df000 RDI: 0000000000000001 [ 64.700221] RBP: 00007f313d0df000 R08: 00007f313d0de010 R09: 0000000000000000 [ 64.708194] R10: 00007f313d2e91c0 R11: 0000000000000246 R12: 0000000000000001 [ 64.716167] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 64.724143] irq event stamp: 0 [ 64.727550] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 64.734554] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 64.743719] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 64.752858] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 64.759859] ---[ end trace 0e9ee7a379cc4f6b ]--- [ 64.765015] lkdtm: Negative detected: saturated _notify # [ 56.342325] CR2: ffffc080c069b000 # [ 56.352235] ---[ end trace 0e9ee7a379cc4f5c ]--- # [ 56.357389] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 56.361765] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 19 70 02 # [ 56.382750] RSP: 0018:ffffc080c13ffe60 EFLAGS: 00010286 # [ 56.388584] RAX: ffffffff9a8b1b30 RBX: 0000000000000001 RCX: 0000000000000000 # [ 56.396553] RDX: 0000000000000000 RSI: ffffa2ae7ac1bf70 RDI: ffffffff9b4d9a70 # [ 56.404523] RBP: ffffffff9b91b088 R08: 0000000000000001 R09: 0000000000000001 # [ 56.412494] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 56.420463] R13: ffffc080c13fff10 R14: ffffc080c13fff10 R15: ffffa2ae0327f000 # [ 56.428434] FS: 00007fa5653e6580(0000) GS:ffffa2ae7ac80000(0000) knlGS:0000000000000000 # [ 56.437472] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.443889] CR2: ffffc080c069afd6 CR3: 00000001054b0002 CR4: 00000000003706e0 # EXEC_VMALLOC: saw 'call trace:': ok ok 33 selftests: lkdtm: EXEC_VMALLOC.sh # selftests: lkdtm: EXEC_RODATA.sh # Killed # [ 56.568292] lkdtm: Performing direct entry EXEC_RODATA # [ 56.575813] lkdtm: attempting ok execution at ffffffff9a8b1f00 # [ 56.582343] lkdtm: attempting bad execution at ffffffff9b4d9f00 # [ 56.588985] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 56.597353] BUG: un[ 64.917537] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE able to handle page fault for address: ffffffff9b4d9f00 # [ 5[ 64.926833] lkdtm: attempting bad refcount_sub_and_test() below zero 6.611245] #PF: supervisor instruction fetch in kernel mode # [ [ 64.940149] ------------[ cut here ]------------ 56.617565] #PF: error_code(0x0011) - permissions violation # [ 64.951523] refcount_t: underflow; use-after-free. [ 56.623788] PGD 15ae29067 P4D 15ae29067 PUD 15ae2a063 PMD 800[ 64.963119] WARNING: CPU: 2 PID: 2283 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 000015a8000e1 # [ 56.631566] Oops: 0011 [#9] SMP PTI # [ [ 64.978644] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 56.635457] CPU: 1 PID: 1768 Comm: cat Tainted: G D W [ 65.011309] CPU: 2 PID: 2283 Comm: cat Tainted: G D W 5.10.129-cip12 #1 5.10.129-cip12 #1 # [ 56.644107] Hardware name: Google Ramm[ 65.026179] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 us/Rammus, BIOS 09/04/2020 # [ 56.650916] RIP: 0010:lkdtm_ro[ 65.039207] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 data_do_nothing+0x0/0x10 # [ 56.656653] Code: ff ff d9 82 ef [ 65.051164] Code: 05 fb 1c 76 01 01 e8 9f fb 92 00 0f 0b c3 80 3d e9 1c 76 01 00 75 95 48 c7 c7 b8 b9 85 9b c6 05 d9 1c 76 01 01 e8 80 fb 92 00 <0f> 0b c3 80 3d c8 1c 76 01 00 0f 85 72 ff ff ff 48 c7 c7 10 ba 85 9a ff ff ff ff aa 00 8c 9b ff ff ff ff 8f 6a ef 9a ff ff ff ff 5[ 65.078363] RSP: 0018:ffffc080c2befe40 EFLAGS: 00010286 5 aa 55 aa 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 65.090417] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 00 00 00 00 00 00 00 00 00 00 00 54 68 69 73 20 69 # [ 56.677[ 65.104610] RDX: ffffa2ae7ad2c660 RSI: ffffa2ae7ad1bf70 RDI: ffffa2ae7ad1bf70 637] RSP: 0018:ffffc080c242fe48 EFLAGS: 00010246 # [ 56.68347[ 65.118801] RBP: ffffffff9b8bfba0 R08: 0000000000000000 R09: 0000000000000000 1] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 000000000000[ 65.132992] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f 0000 # [ 56.691441] RDX: 0000000000000000 RSI: ffffa2ae7ac9bf[ 65.147183] R13: ffffc080c2beff10 R14: ffffc080c2beff10 R15: ffffa2ae034b7000 70 RDI: ffffa2ae7ac9bf70 # [ 56.699413] RBP: ffffffff9b4d9f00[ 65.161375] FS: 00007f4b300ce580(0000) GS:ffffa2ae7ad00000(0000) knlGS:0000000000000000 R08: 0000000000000000 R09: 0000000000000000 # [ 56.707384] R[ 65.176634] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c[ 65.189272] CR2: 00007f4b2fee7000 CR3: 0000000103164004 CR4: 00000000003706e0 [ 65.203460] Call Trace: # [ 56.715358] R13: ffffc080c242ff10 R14: ffffc080c242ff10 R[ 65.206195] __refcount_sub_and_test.constprop.0+0x34/0x40 15: ffffa2ae029fa000 # [ 56.723329] FS: 00007f15edb22580(000[ 65.218538] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x77 0) GS:ffffa2ae7ac80000(0000) knlGS:0000000000000000 # [ 56.73[ 65.230979] direct_entry.cold+0x2c/0x38 2368] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 5[ 65.241574] full_proxy_write+0x56/0x80 6.738783] CR2: ffffffff9b4d9f00 CR3: 0000000103154005 CR4: 00000[ 65.252073] vfs_write+0xea/0x390 000003706e0 # [ 56.746754] Call Trace: # [ 56.749481] ? e[ 65.262009] ksys_write+0x68/0xe0 xecute_location+0x48/0x56 # [ 56.753955] ? direct_entry.cold[ 65.271906] do_syscall_64+0x33/0x40 +0x2c/0x38 # [ 56.758528] ? full_proxy_write+0x56/0x80 # [ [ 65.282115] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 65.293972] RIP: 0033:0x7f4b2fff6f33 56.762994] ? vfs_write+0xea/0x390 # [ 56.766878] ? ksys_w[ 65.297989] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 rite+0x68/0xe0 [ 65.325187] RSP: 002b:00007fff06bb5798 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 56.770762] ? do_syscall_64+0x33/0x40 # [ 56.774946] ?[ 65.335203] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f4b2fff6f33 [ 65.349394] RDX: 000000000000001f RSI: 00007f4b2fee7000 RDI: 0000000000000001 entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 56.780781] Modu[ 65.357368] RBP: 00007f4b2fee7000 R08: 00007f4b2fee6010 R09: 0000000000000000 [ 65.371556] R10: 00007f4b300f11c0 R11: 0000000000000246 R12: 0000000000000001 les linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_co[ 65.379532] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 re industrialio_triggered_buffer kfifo_buf industrialio cros_ec_[ 65.393722] irq event stamp: 0 lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_s[ 65.403371] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [[ 65.416595] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 65.431949] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 56.807240] CR2: ffffffff9b4d9f00 # [ 56.817151] ---[ end t[ 65.441091] softirqs last disabled at (0): [<0000000000000000>] 0x0 race 0e9ee7a379cc4f5d ]--- # [ 56.822311] RIP: 0010:lkdtm_BUG[ 65.454312] ---[ end trace 0e9ee7a379cc4f6c ]--- +0x5/0x10 # [ 56.826688] Code: 5b a5 ff 48 c7 c0 ea ff ff ff [ 65.465686] lkdtm: Negative detected: saturated eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 19 70 02 # [ 56.847672] RSP: 0018:ffffc080c13ffe60 EFLAGS: 00010286 # [ 56.853505] RAX: ffffffff9a8b1b30 RBX: 0000000000000001 RCX: 0000000000000000 # [ 56.861474] RDX: 0000000000000000 RSI: ffffa2ae7ac1bf70 RDI: ffffffff9b4d9a70 # [ 56.869443] RBP: ffffffff9b91b088 R08: 0000000000000001 R09: 0000000000000001 # [ 56.877411] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 56.885381] R13: ffffc080c13fff10 R14: ffffc080c13fff10 R15: ffffa2ae0327f000 # [ 56.893360] FS: 00007f15edb22580(0000) GS:ffffa2ae7ac80000(0000) knlGS:0000000000000000 # [ 56.902399] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.908815] CR2: ffffffff9b4d9f00 CR3: 0000000103154005 CR4: 00000000003706e0 # [ 56.916785] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 56.926698] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1768, name: cat #[ 65.579789] lkdtm: Performing direct entry REFCOUNT_INC_ZERO [ 65.588941] lkdtm: attempting safe refcount_inc_not_zero() from zero [ 65.596048] lkdtm: Good: zero detected [ 65.600235] lkdtm: Correctly stayed at zero [ 65.604905] lkdtm: attempting bad refcount_inc() from zero [ 65.611032] ------------[ cut here ]------------ [ 65.616188] refcount_t: addition on 0; use-after-free. [ 65.621955] WARNING: CPU: 3 PID: 2315 at lib/refcount.c:25 refcount_warn_saturate+0x68/0xf0 [ 56.935154] INFO: lockdep is turned off. # [ 56.939530] i[ 65.631296] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 65.663937] CPU: 3 PID: 2315 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 65.672589] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 65.679398] RIP: 0010:refcount_warn_saturate+0x68/0xf0 [ 65.685137] Code: 05 38 1d 76 01 01 e8 dd fb 92 00 0f 0b c3 80 3d 28 1d 76 01 00 75 d3 48 c7 c7 88 b9 85 9b c6 05 18 1d 76 01 01 e8 be fb 92 00 <0f> 0b c3 80 3d 0b 1d 76 01 00 75 b4 48 c7 c7 60 b9 85 9b c6 05 fb [ 65.706126] RSP: 0018:ffffc080c2c6fe48 EFLAGS: 00010286 [ 65.711987] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 [ 65.719960] RDX: ffffa2ae7adac660 RSI: ffffa2ae7ad9bf70 RDI: ffffa2ae7ad9bf70 [ 65.727935] RBP: ffffffff9b8bff41 R08: 0000000000000000 R09: 0000000000000000 [ 65.735908] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 65.743881] R13: ffffc080c2c6ff10 R14: ffffc080c2c6ff10 R15: ffffa2ae04fcf000 [ 65.751855] FS: 00007f073cdb5580(0000) GS:ffffa2ae7ad80000(0000) knlGS:0000000000000000 [ 65.760896] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 rq event stamp: 0 # [ 56.942936] hardirqs last enabled at (0[ 65.767315] CR2: 00007f073cbce000 CR3: 000000010302c004 CR4: 00000000003706e0 [ 65.781501] Call Trace: [ 65.784235] lkdtm_REFCOUNT_INC_ZERO+0x99/0xbd ): [<0000000000000000>] 0x0 # [ 56.949936] hardirqs last disa[ 65.789225] direct_entry.cold+0x2c/0x38 [ 65.799818] full_proxy_write+0x56/0x80 [ 65.804131] vfs_write+0xea/0x390 [ 65.807833] ksys_write+0x68/0xe0 [ 65.811559] do_syscall_64+0x33/0x40 [ 65.815552] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 65.821197] RIP: 0033:0x7f073ccddf33 [ 65.825189] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 65.846177] RSP: 002b:00007ffdd0cd2288 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 bled at (0): [] copy_process+0x63c/0x1c80 # [[ 65.854638] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f073ccddf33 56.959062] softirqs last enabled at (0): [[ 65.868828] RDX: 0000000000000012 RSI: 00007f073cbce000 RDI: 0000000000000001 [ 65.883018] RBP: 00007f073cbce000 R08: 00007f073cbcd010 R09: 0000000000000000 [ 65.890992] R10: 00007f073cdd81c0 R11: 0000000000000246 R12: 0000000000000001 [ 65.898965] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 65.906942] irq event stamp: 0 [ 65.910376] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 65.917401] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 ] copy_process+0x63c/0x1c80 # [ 56.968198] softirqs last disa[ 65.926553] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 65.941897] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 65.948898] ---[ end trace 0e9ee7a379cc4f6d ]--- [ 65.954056] lkdtm: Zero detected: saturated bled at (0): [<0000000000000000>] 0x0 # [ 56.975196] CPU: 1 PID: 1768 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 56.983845] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 56.990648] Call Trace: # [ 56.993375] dump_stack+0x77/0x97 # [ 56.997075] ___might_sleep.cold+0xa6/0xb6 # [ 57.001650] exit_signals+0x1c/0x2d0 # [ 57.011849] do_exit+0xd5/0xb00 # [ 57.015364] ? ksys_write+0x68/0xe0 # [ 57.019257] rewind_stack_do_exit+0x17/0x20 # [ 57.023926] RIP: 0033:0x7f15eda4af33 # [ 57.027906] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 57.048891] RSP: 002b:00007fff25a80668 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 57.057364] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f15eda4af33 # [ 57.065334] RDX: 000000000000000c RSI: 00007f15ed93b000 RDI: 0000000000000001 # [ 57.073311] RBP: 00007f15ed93b000 R08: 00007f15ed93a010 R09: 0000000000000000 # [ 57.081281] R10: 00007f15edb451c0 R11: 0000000000000246 R12: 0000000000000001 # [ 57.089275] R13: 00000000000000[ 66.072984] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO [ 66.083165] lkdtm: attempting safe refcount_add_not_zero() from zero [ 66.090272] lkdtm: Good: zero detected [ 66.094464] lkdtm: Correctly stayed at zero [ 66.099134] lkdtm: attempting bad refcount_add() from zero [ 66.105261] ------------[ cut here ]------------ [ 66.110409] refcount_t: addition on 0; use-after-free. [ 66.116174] WARNING: CPU: 1 PID: 2347 at lib/refcount.c:25 refcount_warn_saturate+0x68/0xf0 01 R14: 0000000000020000 R15: 0000000000020000 # EXEC_RODATA: s[ 66.125514] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 66.158156] CPU: 1 PID: 2347 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 66.166811] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 aw 'call trace:': ok ok 34 selftests: lkdtm: EXEC_RODATA.sh # [ 66.173623] RIP: 0010:refcount_warn_saturate+0x68/0xf0 [ 66.185578] Code: 05 38 1d 76 01 01 e8 dd fb 92 00 0f 0b c3 80 3d 28 1d 76 01 00 75 d3 48 c7 c7 88 b9 85 9b c6 05 18 1d 76 01 01 e8 be fb 92 00 <0f> 0b c3 80 3d 0b 1d 76 01 00 75 b4 48 c7 c7 60 b9 85 9b c6 05 fb [ 66.206598] RSP: 0018:ffffc080c2cdfe48 EFLAGS: 00010286 [ 66.212438] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 [ 66.220414] RDX: ffffa2ae7acac660 RSI: ffffa2ae7ac9bf70 RDI: ffffa2ae7ac9bf70 [ 66.228411] RBP: ffffffff9b8bff53 R08: 0000000000000000 R09: 0000000000000000 selftests: lkdtm: EXEC_USERSPACE.sh # Killed # [ 57.182739] [ 66.236390] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 66.250568] R13: ffffc080c2cdff10 R14: ffffc080c2cdff10 R15: ffffa2ae04d6c000 [ 66.258544] FS: 00007f4f8ded5580(0000) GS:ffffa2ae7ac80000(0000) knlGS:0000000000000000 [ 66.267586] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.274006] CR2: 00007f4f8dcee000 CR3: 0000000104ea2002 CR4: 00000000003706e0 [ 66.281981] Call Trace: [ 66.284714] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xbd [ 66.289713] direct_entry.cold+0x2c/0x38 [ 66.294125] full_proxy_write+0x56/0x80 [ 66.298424] vfs_write+0xea/0x390 [ 66.302156] ksys_write+0x68/0xe0 [ 66.305859] do_syscall_64+0x33/0x40 [ 66.309872] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 66.315516] RIP: 0033:0x7f4f8ddfdf33 [ 66.319508] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 66.340498] RSP: 002b:00007ffdee5642e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 66.348958] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f4f8ddfdf33 [ 66.356935] RDX: 0000000000000012 RSI: 00007f4f8dcee000 RDI: 0000000000000001 [ 66.364909] RBP: 00007f4f8dcee000 R08: 00007f4f8dced010 R09: 0000000000000000 [ 66.372884] R10: 00007f4f8def81c0 R11: 0000000000000246 R12: 0000000000000001 [ 66.380857] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 66.388835] irq event stamp: 0 [ 66.392273] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 66.399279] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 66.408442] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 66.417582] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 66.424586] ---[ end trace 0e9ee7a379cc4f6e ]--- [ 66.429744] lkdtm: Zero detected: saturated lkdtm: Performing direct entry EXEC_USERSPACE # [ 57.190345] lkdtm: attempting ok execution at ffffffff9a8b1f00 # [ 57.203096] lkdtm: attempting bad execution at 00007f8a0534c000 # [ 57.215931] unable to execute userspace code (SMEP?) (uid: 0) # [ 57.228546] BUG: unable to handle page fault for address: 00007f8a0534c000 # [ 57.236224] #PF: supervisor instruction fetch in kernel mode # [ 57.242542] #PF: error_code(0x0011) - permissions violation # [ 57.248765] PGD 80000001029ba067 P4D 80000001029ba067 PUD 1029f8067 PMD 1056fd067 PTE 106885067 # [ 57.258491] Oops: 0011 [#10] SMP PTI # [ 57.262479] CPU: 0 PID: 1804 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 57.271127] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 57.277932] RIP: 0010:0x7f8a0534c000 # [ 57.281911] Code: Unable to access opcode bytes at RIP 0x7f8a0534bfd6. # [ 57.289200] RSP: 0018:ffffc080c24bfe50 EFLAGS: 00010246 # [ 57.295033] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 # [ 57.303002] RDX: 0000000000000000 RSI: ffffa2ae7ac1bf70 RDI: ffffa2ae7ac1bf70 # [ 57.310972] RBP: 00007f8a0534c000 R08: 0000000000000000 R09: 0000000000000000 # [ 57.318942] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000[ 66.557688] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED [ 66.565712] lkdtm: attempting bad refcount_inc() from saturated [ 66.572328] ------------[ cut here ]------------ 00000000000f # [ 57.326912] R13: ffffc080c24bff10 R14: ffffc0[ 66.577492] refcount_t: saturated; leaking memory. [ 66.589083] WARNING: CPU: 1 PID: 2382 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 80c24bff10 R15: ffffa2ae04cfa000 # [ 57.334882] FS: 00007f8a[ 66.598423] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 66.631067] CPU: 1 PID: 2382 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 66.639721] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 66.646530] RIP: 0010:refcount_warn_saturate+0x49/0xf0 [ 66.652269] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 48 1d 76 01 00 75 f2 48 c7 c7 60 b9 85 9b c6 05 38 1d 76 01 01 e8 dd fb 92 00 <0f> 0b c3 80 3d 28 1d 76 01 00 75 d3 48 c7 c7 88 b9 85 9b c6 05 18 [ 66.673257] RSP: 0018:ffffc080c2d67e48 EFLAGS: 00010286 [ 66.679096] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 [ 66.687068] RDX: ffffa2ae7acac660 RSI: ffffa2ae7ac9bf70 RDI: ffffa2ae7ac9bf70 [ 66.695040] RBP: ffffffff9b8bff65 R08: 0000000000000000 R09: 0000000000000000 [ 66.703012] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 66.710984] R13: ffffc080c2d67f10 R14: ffffc080c2d67f10 R15: ffffa2ae00e6e000 [ 66.718957] FS: 00007fce3353b580(0000) GS:ffffa2ae7ac80000(0000) knlGS:0000000000000000 [ 66.727997] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.734416] CR2: 00007fce33354000 CR3: 00000001055e0002 CR4: 00000000003706e0 [ 66.742390] Call Trace: [ 66.745120] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x60 [ 66.750601] direct_entry.cold+0x2c/0x38 [ 66.755008] full_proxy_write+0x56/0x80 0531d580(0000) GS:ffffa2ae7ac00000(0000) knlGS:0000000000000000[ 66.759319] vfs_write+0xea/0x390 [ 66.769237] ksys_write+0x68/0xe0 [ 66.772940] do_syscall_64+0x33/0x40 [ 66.776957] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 66.782601] RIP: 0033:0x7fce33463f33 [ 66.786593] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 66.807582] RSP: 002b:00007ffc448c4518 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 66.816044] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fce33463f33 [ 66.824019] RDX: 0000000000000017 RSI: 00007fce33354000 RDI: 0000000000000001 # [ 57.343920] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050[ 66.831994] RBP: 00007fce33354000 R08: 00007fce33353010 R09: 0000000000000000 [ 66.846186] R10: 00007fce3355e1c0 R11: 0000000000000246 R12: 0000000000000001 033 # [ 57.350351] CR2: 00007f8a0534c000 CR3: 000000010296200[ 66.854158] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 66.868380] irq event stamp: 0 4 CR4: 00000000003706f0 # [ 57.358323] Call Trace: # [ 57.[ 66.871799] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 66.885016] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 66.894188] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 66.903370] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 66.910376] ---[ end trace 0e9ee7a379cc4f6f ]--- [ 66.915555] lkdtm: Saturation detected: still saturated 361051] ? lkdtm_EXEC_USERSPACE.cold+0x69/0xae # [ 57.366405] ? direct_entry.cold+0x2c/0x38 # [ 57.370970] ? full_proxy_write+0x56/0x80 # [ 57.375445] ? vfs_write+0xea/0x390 # [ 57.379327] ? ksys_write+0x68/0xe0 # [ 57.383220] ? do_syscall_64+0x33/0x40 # [ 57.387403] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 57.393238] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 57.419669] CR2: 00007f8a0534c000 # [ 57.423367] ---[ end trace 0e9ee7a379cc4f5e ]--- # [ 57.428521] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 57.432888] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 19 70 02 # [ 57.453870] RSP: 0018:ffffc080c13ffe60 EFLAGS: 00010286 # [ 57.459703] RAX: ffffffff9a8b1b30 RBX: 000000000000[ 67.021974] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED 0001 RCX: 0000000000000000 # [ 57.467672] RDX: 00000000000000[ 67.033915] lkdtm: attempting bad refcount_dec() from saturated 00 RSI: ffffa2ae7ac1bf70 RDI: ffffffff9b4d9a70 # [ 57.475640][ 67.046776] ------------[ cut here ]------------ RBP: ffffffff9b91b088 R08: 0000000000000001 R09: 00000000000000[ 67.058144] refcount_t: decrement hit 0; leaking memory. 01 # [ 57.483609] R10: 00000000ffffe000 R11: 3fffffffffffffff[ 67.070309] WARNING: CPU: 0 PID: 2417 at lib/refcount.c:31 refcount_warn_saturate+0xdf/0xf0 R12: 0000000000000004 # [ 57.491577] R13: ffffc080c13fff10 R[ 67.085853] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 14: ffffc080c13fff10 R15: ffffa2ae0327f000 # [ 57.499549] FS:[ 67.118523] CPU: 0 PID: 2417 Comm: cat Tainted: G D W 5.10.129-cip12 #1 00007f8a0531d580(0000) GS:ffffa2ae7ac00000(0000) knlGS:0000000[ 67.133398] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 000000000 # [ 57.508585] CS: 0010 DS: 0000 ES: 0000 CR0: 000[ 67.146453] RIP: 0010:refcount_warn_saturate+0xdf/0xf0 0000080050033 # [ 57.515001] CR2: 00007f8a0534c000 CR3: 00000[ 67.158390] Code: ff 48 c7 c7 10 ba 85 9b c6 05 b4 1c 76 01 01 e8 5d fb 92 00 0f 0b c3 48 c7 c7 e0 b9 85 9b c6 05 9f 1c 76 01 01 e8 47 fb 92 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 00102962004 CR4: 00000000003706f0 # EXEC_USERSPACE: saw 'call t[ 67.185618] RSP: 0018:ffffc080c2dbfe48 EFLAGS: 00010286 race:': ok ok 35 selftests: lkdtm: EXEC_USERSPACE.sh # selftes[ 67.197657] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 ts: lkdtm: EXEC_NULL.sh # Killed # [ 57.655642] lkdtm: Perfo[ 67.211881] RDX: ffffa2ae7ac2c660 RSI: ffffa2ae7ac1bf70 RDI: ffffa2ae7ac1bf70 rming direct entry EXEC_NULL # [ 57.665271] lkdtm: attempting[ 67.226047] RBP: ffffffff9b8bff7c R08: 0000000000000000 R09: 0000000000000000 ok execution at ffffffff9a8b1f00 # [ 57.671836] lkdtm: attem[ 67.240251] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 pting bad execution at 0000000000000000 # [ 57.678473] BUG: k[ 67.254430] R13: ffffc080c2dbff10 R14: ffffc080c2dbff10 R15: ffffa2ae04f56000 ernel NULL pointer dereference, address: 0000000000000000 # [ [ 67.268632] FS: 00007efdfad26580(0000) GS:ffffa2ae7ac00000(0000) knlGS:0000000000000000 57.686257] #PF: supervisor instruction fetch in kernel mode # [ 67.283877] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.692579] #PF: error_code(0x0010) - not-present page # [ [ 67.296536] CR2: 00007efdfab3f000 CR3: 0000000104ec0003 CR4: 00000000003706f0 57.704529] PGD 0 P4D 0 # [ 57.707355] Oops: 0010 [#11] SMP [ 67.310715] Call Trace: PTI # [ 57.711337] CPU: 1 PID: 1840 Comm: cat Tainted: G [ 67.319688] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5b D W 5.10.129-cip12 #1 # [ 57.719988] Hardware name: [ 67.331335] direct_entry.cold+0x2c/0x38 Google Rammus/Rammus, BIOS 09/04/2020 # [ 57.726786] RIP: 00[ 67.341954] full_proxy_write+0x56/0x80 10:0x0 # [ 57.729706] Code: Unable to access opcode bytes at [ 67.352440] vfs_write+0xea/0x390 RIP 0xffffffffffffffd6. # [ 57.737384] RSP: 0018:ffffc080c253[ 67.362375] ksys_write+0x68/0xe0 7e48 EFLAGS: 00010246 # [ 57.743217] RAX: 0000000000000033 RB[ 67.372283] do_syscall_64+0x33/0x40 X: 0000000000000000 RCX: 0000000000000000 # [ 57.751186] RDX:[ 67.382511] entry_SYSCALL_64_after_hwframe+0x44/0xa9 0000000000000000 RSI: ffffa2ae7ac9bf70 RDI: ffffa2ae7ac9bf70 #[ 67.394353] RIP: 0033:0x7efdfac4ef33 [ 57.759159] RBP: 0000000000000000 R08: 0000000000000000 R09:[ 67.404592] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 0000000000000000 # [ 57.767127] R10: 00000000ffffe000 R11: 3[ 67.431789] RSP: 002b:00007ffcaf259ea8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 fffffffffffffff R12: 000000000000000a # [ 57.775097] R13: fff[ 67.446465] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007efdfac4ef33 fc080c2537f10 R14: ffffc080c2537f10 R15: ffffa2ae05474000 # [ [ 67.460652] RDX: 0000000000000017 RSI: 00007efdfab3f000 RDI: 0000000000000001 57.783069] FS: 00007f21ad653580(0000) GS:ffffa2ae7ac80000(0000[ 67.474841] RBP: 00007efdfab3f000 R08: 00007efdfab3e010 R09: 0000000000000000 [ 67.489020] R10: 00007efdfad491c0 R11: 0000000000000246 R12: 0000000000000001 ) knlGS:0000000000000000 # [ 57.792106] CS: 0010 DS: 0000 ES[ 67.497004] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 : 0000 CR0: 0000000080050033 # [ 57.798521] CR2: ffffffffffff[ 67.511207] irq event stamp: 0 ffd6 CR3: 0000000105d3c002 CR4: 00000000003706e0 # [ 57.80649[ 67.520822] hardirqs last enabled at (0): [<0000000000000000>] 0x0 1] Call Trace: # [ 57.809219] execute_location+0x48/0x56 # [ 67.534050] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 57.813499] direct_entry.cold+0x2c/0x38 # [ 57.817878] f[ 67.549401] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 ull_proxy_write+0x56/0x80 # [ 57.822160] vfs_write+0xea/0x39[ 67.564768] softirqs last disabled at (0): [<0000000000000000>] 0x0 0 # [ 57.825858] ksys_write+0x68/0xe0 # [ 57.829547] do_[ 67.577981] ---[ end trace 0e9ee7a379cc4f70 ]--- syscall_64+0x33/0x40 # [ 57.833536] entry_SYSCALL_64_after_h[ 67.589379] lkdtm: Saturation detected: still saturated wframe+0x44/0xa9 # [ 57.839176] RIP: 0033:0x7f21ad57bf33 # [ 57.843165] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 57.864149] RSP: 002b:00007ffe03f18bd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 57.872603] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f21ad57bf33 # [ 57.880572] RDX: 000000000000000a RSI: 00007f21ad46c000 RDI: 0000000000000001 # [ 57.888539] RBP: 00007f21ad46c000 R08: 00007f21ad46b010 R09: 0000000000000000 # [ 57.896510] R10: 00007f21ad6761c0 R11: 0000000000000246 R12: 0000000000000001 # [ 57.904479] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 57.912452] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 57.938906] CR2: 0000000000000000 # [ 57.948817] ---[ end trace 0e9ee7a379cc4f5f ]--- # [ 57.953965] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 57.958356] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff[ 67.720059] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f [ 67.732761] lkdtm: attempting bad refcount_dec() from saturated 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05[ 67.745575] ------------[ cut here ]------------ e0 19 70 02 # [ 57.979337] RSP: 0018:ffffc080c13ffe60 EFLAGS[ 67.756944] refcount_t: saturated; leaking memory. : 00010286 # [ 57.985213] RAX: ffffffff9a8b1b30 RBX: 00000000[ 67.768558] WARNING: CPU: 0 PID: 2452 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 00000001 RCX: 0000000000000000 # [ 57.993184] RDX: 0000000000[ 67.784092] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 000000 RSI: ffffa2ae7ac1bf70 RDI: ffffffff9b4d9a70 # [ 58.001[ 67.816748] CPU: 0 PID: 2452 Comm: cat Tainted: G D W 5.10.129-cip12 #1 155] RBP: ffffffff9b91b088 R08: 0000000000000001 R09: 0000000000[ 67.831727] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 000001 # [ 58.009126] R10: 00000000ffffe000 R11: 3fffffffffff[ 67.844694] RIP: 0010:refcount_warn_saturate+0x49/0xf0 ffff R12: 0000000000000004 # [ 58.017096] R13: ffffc080c13fff[ 67.856637] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 48 1d 76 01 00 75 f2 48 c7 c7 60 b9 85 9b c6 05 38 1d 76 01 01 e8 dd fb 92 00 <0f> 0b c3 80 3d 28 1d 76 01 00 75 d3 48 c7 c7 88 b9 85 9b c6 05 18 10 R14: ffffc080c13fff10 R15: ffffa2ae0327f000 # [ 58.025065][ 67.883853] RSP: 0018:ffffc080c2e67e48 EFLAGS: 00010286 FS: 00007f21ad653580(0000) GS:ffffa2ae7ac80000(0000) knlGS:000[ 67.895891] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 0000000000000 # [ 58.034102] CS: 0010 DS: 0000 ES: 0000 CR0:[ 67.910074] RDX: ffffa2ae7ac2c660 RSI: ffffa2ae7ac1bf70 RDI: ffffa2ae7ac1bf70 0000000080050033 # [ 58.040520] CR2: ffffffffffffffd6 CR3: 0[ 67.924305] RBP: ffffffff9b8bff93 R08: 0000000000000000 R09: 0000000000000000 000000105d3c002 CR4: 00000000003706e0 # EXEC_NULL: saw 'call tr[ 67.938503] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 ace:': ok ok 36 selftests: lkdtm: EXEC_NULL.sh # selftests: lk[ 67.952695] R13: ffffc080c2e67f10 R14: ffffc080c2e67f10 R15: ffffa2ae03406000 dtm: ACCESS_USERSPACE.sh # Killed # [ 58.167000] lkdtm: Perf[ 67.966866] FS: 00007fdbcb3e9580(0000) GS:ffffa2ae7ac00000(0000) knlGS:0000000000000000 orming direct entry ACCESS_USERSPACE # [ 58.179082] lkdtm: at[ 67.982126] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 tempting bad read at 00007f330deca000 # [ 58.191420] BUG: una[ 67.994751] CR2: 00007fdbcb202000 CR3: 0000000105450004 CR4: 00000000003706f0 ble to handle page fault for address: 00007f330deca000 # [ 58[ 68.008950] Call Trace: .205309] #PF: supervisor read access in kernel mode # [ 58.21[ 68.017887] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x60 1044] #PF: error_code(0x0001) - permissions violation # [ 58.[ 68.029570] direct_entry.cold+0x2c/0x38 217265] PGD 8000000105d7b067 P4D 8000000105d7b067 PUD 105dc4067 [ 68.040154] full_proxy_write+0x56/0x80 PMD 105dab067 PTE 114844067 # [ 58.226986] Oops: 0001 [#12] S[ 68.050682] vfs_write+0xea/0x390 MP PTI # [ 58.237187] CPU: 2 PID: 1875 Comm: cat Tainted: G [ 68.060581] ksys_write+0x68/0xe0 D W 5.10.129-cip12 #1 # [ 58.245836] Hardware nam[ 68.070508] do_syscall_64+0x33/0x40 e: Google Rammus/Rammus, BIOS 09/04/2020 # [ 58.252643] RIP:[ 68.080706] entry_SYSCALL_64_after_hwframe+0x44/0xa9 0010:lkdtm_ACCESS_USERSPACE.cold+0x3d/0x9f # [ 58.258866] Co[ 68.092597] RIP: 0033:0x7fdbcb311f33 de: 2b 04 25 28 00 00 00 75 60 48 83 c4 10 5d c3 48 89 ee 48 c7 [ 68.102790] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 c7 c8 0d 8c 9b e8 73 9d fd ff 48 c7 c7 f0 0d 8c 9b b8 de c0 de c[ 68.130018] RSP: 002b:00007ffc31606f38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 0 <48> 03 45 00 48 89 04 24 e8 5a 9d fd ff 48 89 ee 48 c7 c7 18 [ 68.144673] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fdbcb311f33 0e 8c # [ 58.286064] RSP: 0018:ffffc080c2597e48 EFLAGS: 00010[ 68.158868] RDX: 0000000000000017 RSI: 00007fdbcb202000 RDI: 0000000000000001 246 # [ 58.291898] RAX: 00000000c0dec0de RBX: 000000000000002[ 68.173049] RBP: 00007fdbcb202000 R08: 00007fdbcb201010 R09: 0000000000000000 6 RCX: 0000000000000000 # [ 58.299868] RDX: 0000000000000000 [ 68.187256] R10: 00007fdbcb40c1c0 R11: 0000000000000246 R12: 0000000000000001 RSI: ffffa2ae7ad1bf70 RDI: ffffffff9b8c0df0 # [ 58.307837] RB[ 68.201434] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 P: 00007f330deca000 R08: 0000000000000000 R09: 0000000000000000[ 68.215647] irq event stamp: 0 # [ 58.315809] R10: 00000000ffffe000 R11: 3fffffffffffffff R1[ 68.225260] hardirqs last enabled at (0): [<0000000000000000>] 0x0 2: 0000000000000011 # [ 58.323779] R13: ffffc080c2597f10 R14:[ 68.238493] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 ffffc080c2597f10 R15: ffffa2ae05657000 # [ 58.331750] FS: 0[ 68.253836] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 0007f330de9b580(0000) GS:ffffa2ae7ad00000(0000) knlGS:0000000000[ 68.269213] softirqs last disabled at (0): [<0000000000000000>] 0x0 000000 # [ 58.340787] CS: 0010 DS: 0000 ES: 0000 CR0: 000000[ 68.282415] ---[ end trace 0e9ee7a379cc4f71 ]--- 0080050033 # [ 58.347202] CR2: 00007f330deca000 CR3: 00000001[ 68.293809] lkdtm: Saturation detected: still saturated 02962005 CR4: 00000000003706e0 # [ 58.355170] Call Trace: # [ 58.357897] direct_entry.cold+0x2c/0x38 # [ 58.362279] full_proxy_write+0x56/0x80 # [ 58.372771] vfs_write+0xea/0x390 # [ 58.376469] ksys_write+0x68/0xe0 # [ 58.380166] do_syscall_64+0x33/0x40 # [ 58.384146] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 58.389787] RIP: 0033:0x7f330ddc3f33 # [ 58.393776] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 58.414752] RSP: 002b:00007ffe3b88a798 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 58.423209] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f330ddc3f33 # [ 58.431180] RDX: 0000000000000011 RSI: 00007f330dcb4000[ 68.384578] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED [ 68.394312] lkdtm: attempting bad refcount_inc_not_zero() from saturated [ 68.401829] ------------[ cut here ]------------ [ 68.407026] refcount_t: saturated; leaking memory. [ 68.412413] WARNING: CPU: 3 PID: 2484 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 RDI: 0000000000000001 # [ 58.439149] RBP: 00007f330dcb4000 R[ 68.421761] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 68.454399] CPU: 3 PID: 2484 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 68.463082] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 68.469891] RIP: 0010:refcount_warn_saturate+0x87/0xf0 [ 68.475634] Code: 05 18 1d 76 01 01 e8 be fb 92 00 0f 0b c3 80 3d 0b 1d 76 01 00 75 b4 48 c7 c7 60 b9 85 9b c6 05 fb 1c 76 01 01 e8 9f fb 92 00 <0f> 0b c3 80 3d e9 1c 76 01 00 75 95 48 c7 c7 b8 b9 85 9b c6 05 d9 [ 68.496626] RSP: 0018:ffffc080c2ed7e38 EFLAGS: 00010282 [ 68.502465] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 [ 68.510439] RDX: ffffa2ae7adac660 RSI: ffffa2ae7ad9bf70 RDI: ffffa2ae7ad9bf70 [ 68.518417] RBP: ffffffff9b8bfbc0 R08: 0000000000000000 R09: 0000000000000000 [ 68.526392] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 68.534371] R13: ffffc080c2ed7f10 R14: ffffc080c2ed7f10 R15: ffffa2ae05cdd000 [ 68.542361] FS: 00007f09b48d9580(0000) GS:ffffa2ae7ad80000(0000) knlGS:0000000000000000 [ 68.551436] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.557855] CR2: 00007f09b46f2000 CR3: 000000010342e004 CR4: 00000000003706e0 [ 68.565832] Call Trace: [ 68.568564] __refcount_add_not_zero.constprop.0+0x2a/0x31 08: 00007f330dcb3010 R09: 0000000000000000 # [ 58.447117] R10[ 68.574727] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x72 : 00007f330debe1c0 R11: 0000000000000246 R12: 0000000000000001 [ 68.587266] direct_entry.cold+0x2c/0x38 # [ 58.455086] R13: 0000000000000001 R14: 0000000000020000 R15[ 68.597861] full_proxy_write+0x56/0x80 [ 68.608360] vfs_write+0xea/0x390 : 0000000000020000 # [ 58.463057] Modules linked in: fuse ip_[ 68.612062] ksys_write+0x68/0xe0 [ 68.621980] do_syscall_64+0x33/0x40 [ 68.625974] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 68.631616] RIP: 0033:0x7f09b4801f33 [ 68.635606] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 68.656597] RSP: 002b:00007ffeee1f8238 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 68.665061] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f09b4801f33 [ 68.673045] RDX: 0000000000000020 RSI: 00007f09b46f2000 RDI: 0000000000000001 [ 68.681019] RBP: 00007f09b46f2000 R08: 00007f09b46f1010 R09: 0000000000000000 [ 68.688991] R10: 00007f09b48fc1c0 R11: 0000000000000246 R12: 0000000000000001 [ 68.696964] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 68.704938] irq event stamp: 0 [ 68.708359] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 68.715378] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 68.724517] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 68.733654] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 68.740646] ---[ end trace 0e9ee7a379cc4f72 ]--- [ 68.745802] lkdtm: Saturation detected: still saturated tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 58.495700] CR2: 00007f330deca000 # [ 58.499399] ---[ end trace 0e9ee7a379cc4f60 ]--- # [ 58.504553] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 58.508922] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 19 70 02 # [ 58.529904] RSP: 0018:ffffc080c13ffe60 EFLAGS: 00010286 # [ 58.535737] RAX: ffffffff9a8b1b30 RBX: 0000000000000001 RCX: 0000000000000000 # [ 58.543706] RDX: 0000000000000000 RSI: ffffa2ae7ac1bf70 RDI: ffffffff9b4d9a70 # [ 58.551676] RBP: ffffffff9b91b088 R08: 0000000000000001 R09: 0000000000000001 # [ 58.559647] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 58.567616] R13: ffffc080c13fff10 R14: ffffc080c13fff10 R15: ffffa2ae0327f000 # [ 58.575587] FS: 00007f330de9b580(0000) GS:ffffa2ae7ad00000(0000) knlGS:0000000000000000 # [ 58.584624] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 58.591038] CR2: 00007f330deca000 CR3: 0000000102962005 CR4: 00000000003706e0 # [ 58.599007] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 58.608919] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1875, name: cat # [ 58.617373] INFO: lockdep is turned off. # [ 58.621749] irq event stamp: 0 # [ 58.625154] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 58.632155] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 58.641311] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 58.650445] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 58.657443] CPU: 2 PID: 1875 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 58.666094] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 58.672898] Call Trace: # [ 58.675627] dump_stack+0x77/0x97 # [ 58.679327] ___might_sleep.cold+0xa6/0xb6 # [ 58.690112] exit_signals+0x1c/0x2d0 # [ 58.694100] do_exit+0xd5/0xb00 # [ 58.697602] ? ksys_write+0x68/0xe0 # [ 58.701494] rewind_stack_do_exit+0x17/0x20 # [ 58.706153] RIP: 0033:0x7f330ddc3f33 # [ 58.710141] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 58.731128] RSP: 002b:00007ffe3b88a798 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 58.739576] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f330ddc3f33 # [ 58.747545] RDX: 0000000000000011 RSI: 00007f330dcb4000 RDI: 0000000000000001 # [ 58.755515] RBP: 00007f330dcb4000 R08: 00007f330dcb3010 R09: 0000000000000000 # [ 58.763484] R10: 00007f330debe1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 58.771453] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # ACCESS_USERSPACE: saw 'call trace:': ok ok 37 selftests: lkdtm: ACCESS_USERSPACE.sh # selftests: lkdtm: ACCESS_NULL.sh # Killed # [ 58.856317] lkdtm: Performing direct entry ACCESS_NULL # [ 58.865959] lkdtm: attempting bad read at 0000000000000000 # [ 58.872097] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 58.879880] #PF: supervisor read access in kernel mode # [ 58.885617] #PF: error_code(0x0000) - not-present page # [ 58.891351] PGD 0 [ 69.108487] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED P4D 0 # [ 58.894179] Oops: 0000 [#13] SMP PTI # [ 58.8981[ 69.121125] lkdtm: attempting bad refcount_add_not_zero() from saturated 68] CPU: 1 PID: 1910 Comm: cat Tainted: G D W 5.10.[ 69.134840] ------------[ cut here ]------------ 129-cip12 #1 # [ 58.906820] Hardware name: Google Rammus/Ramm[ 69.146235] refcount_t: saturated; leaking memory. us, BIOS 09/04/2020 # [ 58.913628] RIP: 0010:lkdtm_ACCESS_NU[ 69.157816] WARNING: CPU: 0 PID: 2516 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 LL+0x14/0x53 # [ 58.918882] Code: 17 9d fd ff be 00 10 00 00 [ 69.173356] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 48 89 ef e8 74 db 3f ff e9 6d ff ff ff 0f 1f 44 00 00 53 31 f6 4[ 69.206012] CPU: 0 PID: 2516 Comm: cat Tainted: G D W 5.10.129-cip12 #1 8 c7 c7 c8 0d 8c 9b e8 f1 9c fd ff <48> 8b 1c 25 00 00 00 00 b8 [ 69.220909] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 de c0 de c0 48 c7 c7 f0 0d 8c 9b 48 01 # [ 58.946080] RSP: 00[ 69.233934] RIP: 0010:refcount_warn_saturate+0x87/0xf0 18:ffffc080c264fe58 EFLAGS: 00010246 # [ 58.951915] RAX: 0000[ 69.245896] Code: 05 18 1d 76 01 01 e8 be fb 92 00 0f 0b c3 80 3d 0b 1d 76 01 00 75 b4 48 c7 c7 60 b9 85 9b c6 05 fb 1c 76 01 01 e8 9f fb 92 00 <0f> 0b c3 80 3d e9 1c 76 01 00 75 95 48 c7 c7 b8 b9 85 9b c6 05 d9 00000000002e RBX: 0000000000000027 RCX: 0000000000000000 # [ [ 69.273062] RSP: 0018:ffffc080c2f4fe38 EFLAGS: 00010282 58.959885] RDX: 0000000000000000 RSI: ffffa2ae7ac9bf70 RDI: ffff[ 69.285164] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 a2ae7ac9bf70 # [ 58.967854] RBP: ffffffff9b8bfeb9 R08: 000000[ 69.299420] RDX: ffffa2ae7ac2c660 RSI: ffffa2ae7ac1bf70 RDI: ffffa2ae7ac1bf70 0000000000 R09: 0000000000000000 # [ 58.975826] R10: 00000000[ 69.313576] RBP: ffffffff9b8bfbe0 R08: 0000000000000000 R09: 0000000000000000 ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 58.9[ 69.327828] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 83797] R13: ffffc080c264ff10 R14: ffffc080c264ff10 R15: ffffa2ae[ 69.341979] R13: ffffc080c2f4ff10 R14: ffffc080c2f4ff10 R15: ffffa2ae03163000 0342f000 # [ 58.991768] FS: 00007f38e87e1580(0000) GS:ffffa2[ 69.356181] FS: 00007f53158ed580(0000) GS:ffffa2ae7ac00000(0000) knlGS:0000000000000000 ae7ac80000(0000) knlGS:0000000000000000 # [ 59.000807] CS: 0[ 69.371445] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 59.007224] CR[ 69.384074] CR2: 00007f5315706000 CR3: 0000000105450003 CR4: 00000000003706f0 2: 0000000000000000 CR3: 0000000105c42006 CR4: 00000000003706e0[ 69.398271] Call Trace: # [ 59.015193] Call Trace: # [ 59.017922] direct_entry.co[ 69.407217] __refcount_add_not_zero.constprop.0+0x2a/0x31 ld+0x2c/0x38 # [ 59.022313] full_proxy_write+0x56/0x80 # [ [ 69.419566] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x72 59.026595] vfs_write+0xea/0x390 # [ 59.030313] ksys_write[ 69.432097] direct_entry.cold+0x2c/0x38 +0x68/0xe0 # [ 59.034010] do_syscall_64+0x33/0x40 # [ 59.[ 69.442720] full_proxy_write+0x56/0x80 037999] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 59.0436[ 69.453206] vfs_write+0xea/0x390 38] RIP: 0033:0x7f38e8709f33 # [ 59.047626] Code: 8b 15 61 ef[ 69.463145] ksys_write+0x68/0xe0 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b [ 69.473048] do_syscall_64+0x33/0x40 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0[ 69.483268] entry_SYSCALL_64_after_hwframe+0x44/0xa9 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 59[ 69.495117] RIP: 0033:0x7f5315815f33 .068612] RSP: 002b:00007fff6848c378 EFLAGS: 00000246 ORIG_RAX: 0[ 69.505340] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 000000000000001 # [ 59.077068] RAX: ffffffffffffffda RBX: 000[ 69.532526] RSP: 002b:00007fff737d4f18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 69.547183] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f5315815f33 000000000000c RCX: 00007f38e8709f33 # [ 59.085038] RDX: 00000[ 69.555165] RDX: 0000000000000020 RSI: 00007f5315706000 RDI: 0000000000000001 0000000000c RSI: 00007f38e85fa000 RDI: 0000000000000001 # [ 5[ 69.569367] RBP: 00007f5315706000 R08: 00007f5315705010 R09: 0000000000000000 9.093009] RBP: 00007f38e85fa000 R08: 00007f38e85f9010 R09: 00000[ 69.583555] R10: 00007f53159101c0 R11: 0000000000000246 R12: 0000000000000001 00000000000 # [ 59.100979] R10: 00007f38e88041c0 R11: 0000000[ 69.597757] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 000000246 R12: 0000000000000001 # [ 59.108948] R13: 000000000[ 69.611938] irq event stamp: 0 0000001 R14: 0000000000020000 R15: 0000000000020000 # [ 59.11[ 69.621571] hardirqs last enabled at (0): [<0000000000000000>] 0x0 6918] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_[ 69.634779] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 sensors_core industrialio_triggered_buffer kfifo_buf industriali[ 69.650158] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 o cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs[ 69.665502] softirqs last disabled at (0): [<0000000000000000>] 0x0 cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_n[ 69.678730] ---[ end trace 0e9ee7a379cc4f73 ]--- otify # [ 59.143379] CR2: 0000000000000000 # [ 59.153315] [ 69.690095] lkdtm: Saturation detected: still saturated ---[ end trace 0e9ee7a379cc4f61 ]--- # [ 59.158471] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 59.162846] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 19 70 02 # [ 59.183833] RSP: 0018:ffffc080c13ffe60 EFLAGS: 00010286 # [ 59.189667] RAX: ffffffff9a8b1b30 RBX: 0000000000000001 RCX: 0000000000000000 # [ 59.197638] RDX: 0000000000000000 RSI: ffffa2ae7ac1bf70 RDI: ffffffff9b4d9a70 # [ 59.205608] RBP: ffffffff9b91b088 R08: 0000000000000001 R09: 0000000000000001 # [ 59.213577] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 59.221548] R13: ffffc080c13fff10 R14: ffffc080c13fff10 R15: ffffa2ae0327f000 # [ 59.229519] FS: 00007f38e87e1580(0000) GS:ffffa2ae7ac80000(0000) knlGS:0000000000000000 # [ 59.238557] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 59.244973] CR2: 0000000000000000 CR3: 0000000105c42006 CR4: 00000000003706e0 # ACCESS_NULL: saw 'call trace:': ok ok 38 selftests: l[ 69.805469] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED [ 69.815472] lkdtm: attempting bad refcount_dec_and_test() from saturated [ 69.822993] ------------[ cut here ]------------ [ 69.828150] refcount_t: underflow; use-after-free. [ 69.833512] WARNING: CPU: 3 PID: 2551 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 [ 69.842852] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify kdtm: ACCESS_NULL.sh # selftests: lkdtm: WRITE_RO.sh # Killed[ 69.869315] CPU: 3 PID: 2551 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 69.884176] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 69.890983] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 [ 69.896725] Code: 05 fb 1c 76 01 01 e8 9f fb 92 00 0f 0b c3 80 3d e9 1c 76 01 00 75 95 48 c7 c7 b8 b9 85 9b c6 05 d9 1c 76 01 01 e8 80 fb 92 00 <0f> 0b c3 80 3d c8 1c 76 01 00 0f 85 72 ff ff ff 48 c7 c7 10 ba 85 [ 69.917714] RSP: 0018:ffffc080c2e77e40 EFLAGS: 00010286 [ 69.923548] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 [ 69.931522] RDX: ffffa2ae7adac660 RSI: ffffa2ae7ad9bf70 RDI: ffffa2ae7ad9bf70 [ 69.939496] RBP: ffffffff9b8bfc00 R08: 0000000000000000 R09: 0000000000000000 [ 69.947470] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 69.955444] R13: ffffc080c2e77f10 R14: ffffc080c2e77f10 R15: ffffa2ae03080000 [ 69.963417] FS: 00007f4c2dfd3580(0000) GS:ffffa2ae7ad80000(0000) knlGS:0000000000000000 [ 69.972458] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.978876] CR2: 00007f4c2ddec000 CR3: 0000000103cdc006 CR4: 00000000003706e0 # [ 59.330302] lkdtm: Performing direct entry WRITE_RO # [ [ 69.986852] Call Trace: 59.339231] lkdtm: attempting bad rodata write at ffffffff9b4d9e[ 69.995802] __refcount_sub_and_test.constprop.0+0x34/0x40 f0 # [ 59.346146] BUG: unable to handle page fault for addres[ 70.008151] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x72 [ 70.020686] direct_entry.cold+0x2c/0x38 [ 70.025067] full_proxy_write+0x56/0x80 [ 70.029359] vfs_write+0xea/0x390 [ 70.033059] ksys_write+0x68/0xe0 [ 70.036760] do_syscall_64+0x33/0x40 [ 70.040751] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 70.046394] RIP: 0033:0x7f4c2defbf33 [ 70.050408] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 s: ffffffff9b4d9ef0 # [ 59.353831] #PF: supervisor write acce[ 70.071409] RSP: 002b:00007ffe7b14cad8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 70.086077] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f4c2defbf33 [ 70.094049] RDX: 0000000000000020 RSI: 00007f4c2ddec000 RDI: 0000000000000001 [ 70.102023] RBP: 00007f4c2ddec000 R08: 00007f4c2ddeb010 R09: 0000000000000000 [ 70.109995] R10: 00007f4c2dff61c0 R11: 0000000000000246 R12: 0000000000000001 [ 70.117969] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 70.125944] irq event stamp: 0 [ 70.129360] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 70.136365] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 [ 70.145504] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 [ 70.154644] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 70.161645] ---[ end trace 0e9ee7a379cc4f74 ]--- [ 70.166801] lkdtm: Saturation detected: still saturated ss in kernel mode # [ 59.359665] #PF: error_code(0x0003) - permissions violation # [ 59.372101] PGD 15ae29067 P4D 15ae29067 PUD 15ae2a063 PMD 800000015a8000e1 # [ 59.379883] Oops: 0003 [#14] SMP PTI # [ 59.390085] CPU: 3 PID: 1945 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 59.398738] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 59.405547] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a # [ 59.410506] Code: 00 48 c7 c7 a8 0c 8c 9b 48 c7 c6 f0 9e 4d 9b e8 93 9f fd ff 48 8b 05 16 31 5e 00 ba 34 12 cd ab 48 c7 c7 d8 0c 8c 9b 48 31 d0 <48> 89 05 00 31 5e 00 e9 71 9f fd ff 0f 1f 44 00 00 48 8b 05 27 55 # [ 59.431491] RSP: 0018:ffffc080c26dfe60 EFLAGS: 00010202 # [ 59.437325] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 # [ 59.445307] RDX: 00000000abcd1234 RSI: ffffa2ae7ad9bf70 RDI: ffffffff9b8c0cd8 # [ 59.453278] RBP: ffffffff9b8bfec5 R08: 0000000000000000 R09: 0000000000000000 # [ 59.461250] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 # [ 59.469221] R13: ffffc080c26dff10 R14: ffffc080c26dff10 R15: ffffa2ae054b1000 # [ 59.477191] FS: 00007fc99e9cb580(0000) GS:ffffa2ae7ad80000(0000) knlGS:0000000000000000 # [ 59.486228] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 59.492645] CR2: ffffffff9b4d9ef0 CR3: 0000000103028002 CR4: 00000000003706e0 # [ 59.500615] Call Trace: # [ 59.503357] direct_entry.cold+0x2c/0x38 # [ 59.507732] full_proxy_write+0x56/0x80 # [ 59.512012] vfs_write+0xea/0x390 # [ 59.515710] ksys_write+0x68/0xe0 # [ 59.519398] do_syscall_64+0x33/0x40 # [ 59.523387] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 59.529027] RIP: 0033:0x7fc99e8f3f33 # [ 59.533017] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 59.553996] RSP: 002b:00007ffc3885bd78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 59.562453] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007fc99e8f3f33 # [ 59.570424] RDX: 0000000000000009 RSI: 00007fc99e7e4000 RDI: 0000000000000001 # [ 59.578395] RBP: 00007fc99e7e4000 R08: 00007fc99e7e3010 R09: 0000000000000000 # [ 59.586365] R10: 00007fc99e9ee1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 59.594336] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 59.602329] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 59.628810] CR2: ffffffff9b4d9ef0 # [ 59.632507] ---[ end trace 0e9ee7a379cc4f62 ]--- # [ 59.637663] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 59.642040] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 19 70 02 # [ 59.663026] RSP: 0018:ffffc080c13ffe60 EFLAGS: 00010286 # [ 59.668862] RAX: ffffffff9a8b1b30 RBX: 0000000000000001 RCX: 0000000000000000 # [ 59.676832] RDX: 0000000000000000 RSI: ffffa2ae7ac1bf70 RDI: ffffffff9b4d9a70 # [ 59.684803] RBP: ffffffff9b91b088 R08: 0000000000000001 R09: 0000000000000001 # [ 59.692773] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 59.700743] R13: ffffc080c13fff10 R14: ffffc080c13fff10 R15: ffffa2ae0327f000 # [ 59.708711] FS: 00007fc99e9cb580(0000) GS:ffffa2ae7ad80000(0000) knlGS:0000000000000000 # [ 59.717751] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 59.724166] CR2: ffffffff9b4d9ef0 CR3: 0000000103028002 CR4: 00000000003706e0 # [ 59.732137] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 59.742051] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1945, name: cat # [ 59.750506] INFO: lockdep is turned off. # [ 59.754882] irq event stamp: 0 # [ 59.758308] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 59.765311] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 59.774449] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 59.783586] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 59.790586] CPU: 3 PID: 1945 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 59.799237] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 59.806040] Call Trace: # [ 59.808767] dump_stack+0x77/0x97 # [ 59.812456] ___might_sleep.cold+0xa6/0xb6 # [ 59.817029] exit_signals+0x1c/0x2d0 # [ 59.821018] do_exit+0xd5/0xb00 # [ 59.824520] ? ksys_write+0x68/0xe0 # [ 59.828412] rewind_stack_do_exit+0x17/0x20 # [ 59.833071] RIP: 0033:0x7fc99e8f3f33 # [ 59.837058] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 59.858045] RSP: 002b:00007ffc3885bd78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 59.866493] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007fc99e8f3f33 # [ 59.874464] RDX: 0000000000000009 RSI: 00007fc99e7e4000 RDI: 0000000000000001 # [ 59.882434] RBP: 00007fc99e7e4000 R08: 00007fc99e7e3010 R09: 0000000000000000 # [ 59.890403] R10: 00007fc99e9ee1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 59.898373] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # WRITE_RO: saw 'call trace:': ok ok 39 selftests: lkdtm: WRITE_RO.sh # selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # Killed # [ 59.988770] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT # [ 59.999990] lkdtm: attempting bad ro_after_init write at ffffffff9b93c328 # [ 60.013786] BUG: unable to handle page fault for address: ffffffff9b93c328 # [ 60.027650] #PF: supervisor write access in kernel mode # [ 60.033483] #PF: error_code(0x0003) - permissions violation # [ 60.039703] PGD 15ae29067 P4D 15ae29067 PUD 15ae2a063 PMD 104c87063 PTE 800000015ad3c061 # [ 60.048751] Oops: 0003 [#15] SMP PTI # [ 60.052739] CPU: 0 PID: 1980 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 60.061389] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 60.068198] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a # [ 60.074232] Code: 0d 8c 9b e9 45 9f fd ff 48 c7 c7 30 0d 8c 9b e8 39 9f fd ff 48 8b 05 f4 54 a4 00 ba 34 12 cd ab 48 c7 c7 d8 0c 8c 9b 48 31 d0 <48> 89 05 de 54 a4 00 e9 17 9f fd ff 0f 1f 44 00 00 41 54 48 c7 c7 # [ 60.095209] RSP: 0018:ffffc080c2767e60 EFLAGS: 00010202 # [ 60.101044] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 # [ 60.109015] RDX: 00000000abcd1234 RSI: ffffa2ae7ac1bf70 RDI: ffffffff9b8c0cd8 # [ 60.116984] RBP: ffffffff9b8bfece R08: 0000000000000000 R09: 0000000000000000 # [ 60.124955] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 # [ 60.132925] R13: ffffc080c2767f10 R14: ffffc080c2767f10 R15: ffffa2ae04d6a000 # [ 60.140895] FS: 00007f810d7e6580(0000) GS:ffffa2ae7ac00000(0000) knlGS:0000000000000000[ 70.897557] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 60.149933] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005[ 70.908355] lkdtm: attempting bad refcount_sub_and_test() from saturated 0033 # [ 60.156358] CR2: ffffffff9b93c328 CR3: 0000000104f480[ 70.922056] ------------[ cut here ]------------ 05 CR4: 00000000003706f0 # [ 60.164328] Call Trace: # [ 60[ 70.933445] refcount_t: underflow; use-after-free. .167056] direct_entry.cold+0x2c/0x38 # [ 60.171437] full_pr[ 70.945034] WARNING: CPU: 0 PID: 2586 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 oxy_write+0x56/0x80 # [ 60.175723] vfs_write+0xea/0x390 # [[ 70.960575] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 60.179420] ksys_write+0x68/0xe0 # [ 60.183117] do_syscal[ 70.993244] CPU: 0 PID: 2586 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 71.008099] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 l_64+0x33/0x40 # [ 60.187106] entry_SYSCALL_64_after_hwframe[ 71.014934] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 +0x44/0xa9 # [ 60.192747] RIP: 0033:0x7f810d70ef33 # [ 60.[ 71.026895] Code: 05 fb 1c 76 01 01 e8 9f fb 92 00 0f 0b c3 80 3d e9 1c 76 01 00 75 95 48 c7 c7 b8 b9 85 9b c6 05 d9 1c 76 01 01 e8 80 fb 92 00 <0f> 0b c3 80 3d c8 1c 76 01 00 0f 85 72 ff ff ff 48 c7 c7 10 ba 85 196726] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff[ 71.054124] RSP: 0018:ffffc080c307fe40 EFLAGS: 00010286 [ 71.066166] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 [ 71.074156] RDX: ffffa2ae7ac2c660 RSI: ffffa2ae7ac1bf70 RDI: ffffa2ae7ac1bf70 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28[ 71.088350] RBP: ffffffff9b8bfc20 R08: 0000000000000000 R09: 0000000000000000 [ 71.102515] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 48 89 54 24 18 # [ 60.217712] RSP: 002b:00007ffecc3508a8 EFL[ 71.110522] R13: ffffc080c307ff10 R14: ffffc080c307ff10 R15: ffffa2ae040b7000 AGS: 00000246 ORIG_RAX: 0000000000000001 # [ 60.226168] RAX: [ 71.124718] FS: 00007f125112a580(0000) GS:ffffa2ae7ac00000(0000) knlGS:0000000000000000 ffffffffffffffda RBX: 0000000000000014 RCX: 00007f810d70ef33 # [ 71.139965] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.234138] RDX: 0000000000000014 RSI: 00007f810d5ff000 RDI: [ 71.152640] CR2: 00007f1250f43000 CR3: 000000010264c002 CR4: 00000000003706f0 [ 71.166819] Call Trace: 0000000000000001 # [ 60.242107] RBP: 00007f810d5ff000 R08: 00[ 71.169574] __refcount_sub_and_test.constprop.0+0x34/0x40 007f810d5fe010 R09: 0000000000000000 # [ 60.250078] R10: 0000[ 71.181924] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x72 7f810d8091c0 R11: 0000000000000246 R12: 0000000000000001 # [ [ 71.194474] direct_entry.cold+0x2c/0x38 60.258048] R13: 0000000000000001 R14: 0000000000020000 R15: 0000[ 71.205111] full_proxy_write+0x56/0x80 000000020000 # [ 60.266021] Modules linked in: fuse ip_tables[ 71.215584] vfs_write+0xea/0x390 cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buf[ 71.225527] ksys_write+0x68/0xe0 fer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros[ 71.235426] do_syscall_64+0x33/0x40 _ec_sysfs cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal[ 71.245648] entry_SYSCALL_64_after_hwframe+0x44/0xa9 cros_ec_dev cros_usbpd_notify # [ 60.292461] CR2: ffffffff9b[ 71.257499] RIP: 0033:0x7f1251052f33 93c328 # [ 60.296148] ---[ end trace 0e9ee7a379cc4f63 ]--- #[ 71.267730] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 60.301304] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 60.305679] C[ 71.294898] RSP: 002b:00007ffed9524a28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 ode: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3[ 71.309593] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f1251052f33 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 [ 71.323763] RDX: 0000000000000020 RSI: 00007f1250f43000 RDI: 0000000000000001 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 19[ 71.337955] RBP: 00007f1250f43000 R08: 00007f1250f42010 R09: 0000000000000000 70 02 # [ 60.326663] RSP: 0018:ffffc080c13ffe60 EFLAGS: 0001[ 71.352149] R10: 00007f125114d1c0 R11: 0000000000000246 R12: 0000000000000001 0286 # [ 60.332495] RAX: ffffffff9a8b1b30 RBX: 00000000000000[ 71.366348] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 01 RCX: 0000000000000000 # [ 60.340464] RDX: 0000000000000000[ 71.380539] irq event stamp: 0 RSI: ffffa2ae7ac1bf70 RDI: ffffffff9b4d9a70 # [ 60.348433] R[ 71.390176] hardirqs last enabled at (0): [<0000000000000000>] 0x0 BP: ffffffff9b91b088 R08: 0000000000000001 R09: 0000000000000001[ 71.403392] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 60.356404] R10: 00000000ffffe000 R11: 3fffffffffffffff R[ 71.418751] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 12: 0000000000000004 # [ 60.364375] R13: ffffc080c13fff10 R14[ 71.434108] softirqs last disabled at (0): [<0000000000000000>] 0x0 : ffffc080c13fff10 R15: ffffa2ae0327f000 # [ 60.372346] FS: [ 71.447340] ---[ end trace 0e9ee7a379cc4f75 ]--- 00007f810d7e6580(0000) GS:ffffa2ae7ac00000(0000) knlGS:000000000[ 71.458707] lkdtm: Saturation detected: still saturated 0000000 # [ 60.381385] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 60.387800] CR2: ffffffff9b93c328 CR3: 0000000104f48005 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 # [ 60.551961] lkdtm: Performing direct entry WRITE_KERN # [ 60.563036] lkdtm: attempting bad 6573652 byte write at ffffffff9aef6d54 # [ 60.570579] BUG: unable to handle page fault for address: ffffffff9aef6d54 # [ 60.578272] #PF: supervisor write access in kernel mode # [ 60.590324] #PF: error_code(0x0003) - permissions violation # [ 60.596547] PGD 15ae29067 P4D 15ae29067 PUD 15ae2a063 PMD 15a2000e1 # [ 60.603650] Oops: 0003 [#16] SMP PTI # [ 60.613852] CPU: 1 PID: 2015 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 60.622501] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 60.629314] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e # [ 60.634468] Code: 53 48 c7 c3 54 6d ef 9a 49 89 dc 48 89 da 49 81 ec 00 1f 8b 9a 4c 89 e6 e8 ec 9e fd ff 48 89 df 4c 89 e1 48 c7 c6 00 1f 8b 9a a4 48 c7 c7 d8 0c 8c 9b e8 d1 9e fd ff 5b 41 5c e9 b7 fe ff ff # [ 60.655455] RSP: 0018:ffffc080c27a7e50 EFLAGS: 00010246 # [ 60.661307] RAX: 000000000000003c RBX: ffffffff9aef6d54 RCX: 0000000000644e54 # [ 60.669279] RDX: 0000000000000000 RSI: ffffffff9a8b1f00 RDI: ffffffff9aef6d54 # [ 60.677249] RBP: ffffffff9b8bfee2 R08: 0000000000000000 R09: 0000000000000000 # [ 60.685220] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000644e54 # [ 60.693192] R13: ffffc080c27a7f10 R14: ffffc080c27a7f10 R15: ffffa2ae05757000 # [ 60.701162] FS: 00007f58f9c99580(0000) GS:ffffa2ae7ac80000(0000) knlGS:0000000000000000 # [ 60.710201] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 60.716617] CR2: ffffffff9aef6d54 CR3: 0000000105dc0003 CR4: 00000000003706e0 # [ 60.724586] Call Trace: # [ 60.727315] direct_entry.cold+0x2c/0x38 # [ 60.731695] full_proxy_write+0x56/0x80 # [ 60.735977] vfs_write+0xea/0x390 # [ 60.739666] ksys_write+0x68/0xe0 # [ 60.743371] do_syscall_64+0x33/0x40 # [ 60.747373] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [[ 71.682390] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO [ 71.694972] lkdtm: attempting good copy_to_user of correct size [ 71.701601] lkdtm: attempting bad copy_to_user of too large size 60.753013] RIP: 0033:0x7f58f9bc1f33 # [ 60.756992] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 60.777975] RSP: 002b:00007ffcee3d1f48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 60.786431] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f58f9bc1f33 # [ 60.794400] RDX: 000000000000000b RSI: 00007f58f9ab2000 RDI: 0000000000000001 # [ 60.802370] RBP: 00007f58f9ab2000 R08: 00007f58f9ab1010 R09: 0000000000000000 # [ 60.810339] R10: 00007f58f9cbc1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 60.818312] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 60.826283] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 60.852748] CR2: ffffffff9aef6d54 # [ 60.862659] ---[ end trace 0e9ee7a379cc4f64 ]--- # [ 60.867814] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 60.872190] Code: 5b a5 ff 48 c7 c0 ea ff ff ff eb e2 48 c7 c0 ea ff ff ff c3 48 c7 c0 f4 ff ff ff eb d1 cc cc cc cc cc cc cc cc 0f 1f 44 00 00 <0f> 0b 66 0[ 71.836881] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM [ 71.845743] lkdtm: attempting good copy_from_user of correct size [ 71.852561] lkdtm: attempting bad copy_from_user of too large size f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 e0 19 70 02 # [ 60.893177] RSP: 0018:ffffc080c13ffe60 EFLAGS: 00010286 # [ 60.899010] RAX: ffffffff9a8b1b30 RBX: 0000000000000001 RCX: 0000000000000000 # [ 60.906979] RDX: 0000000000000000 RSI: ffffa2ae7ac1bf70 RDI: ffffffff9b4d9a70 # [ 60.914948] RBP: ffffffff9b91b088 R08: 0000000000000001 R09: 0000000000000001 # [ 60.922919] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 60.930890] R13: ffffc080c13fff10 R14: ffffc080c13fff10 R15: ffffa2ae0327f000 # [ 60.938861] FS: 00007f58f9c99580(0000) GS:ffffa2ae7ac80000(0000) knlGS:0000000000000000 # [ 60.947899] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 60.954315] CR2: ffffffff9aef6d54 CR3: 0000000105dc0003 CR4: 00000000003706e0 # [ 60.962312] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 60.972223] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 2015, name: cat # [ 60.980679] INFO: lockdep is turned off.[ 71.955917] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 60.985056] irq event stamp: 0 # [ 60.988460] hardirqs[ 71.966163] lkdtm: attempting good copy_to_user inside whitelist last enabled at (0): [<0000000000000000>] 0x0 # [ 60.995462[ 71.979094] lkdtm: attempting bad copy_to_user outside whitelist ] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 61.004599] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 61.013735] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 61.020734] CPU: 1 PID: 2015 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 61.029383] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 61.036188] Call Trace: # [ 61.038917] dump_stack+0x77/0x97 # [ 61.042616] ___might_sleep.cold+0xa6/0xb6 # [ 61.047188] exit_signals+0x1c/0x2d0 # [ 61.051168] do_exit+0xd5/0xb00 # [ 61.054670] ? ksys_write+0x68/0xe0 # [ 61.058562] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 # [ 61.064007] rewind_stack_do_exit+0x17/0x20 # [ 61.068674] RIP: 0033:0x7f58f9bc1f33 # [ 61.072662] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f [ 72.075982] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48>[ 72.086424] lkdtm: attempting good copy_from_user inside whitelist 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18[ 72.099552] lkdtm: attempting bad copy_from_user outside whitelist # [ 61.093648] RSP: 002b:00007ffcee3d1f48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 61.102104] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f58f9bc1f33 # [ 61.110075] RDX: 000000000000000b RSI: 00007f58f9ab2000 RDI: 0000000000000001 # [ 61.118043] RBP: 00007f58f9ab2000 R08: 00007f58f9ab1010 R09: 0000000000000000 # [ 61.126015] R10: 00007f58f9cbc1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 61.133984] 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 # [ 61.302968] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 61.310298] lkdtm: attempting good refcount_inc() without overflow # [ 61.317254] lkdtm: attempting bad refcount_inc() overflow # [ 61.323326] ------------[ cut here ]------------ # [ 61.328502] refcount_t: saturated; leaking memory. # [ 61.333886] WARNING: CPU: 1 PID: 2050 at lib/refcount.c:22 refcount[ 72.209681] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO _warn_saturate+0x49/0xf0 # [ 61.343227] Modules linked in: fu[ 72.219120] lkdtm: good_stack: ffffc080c340fe20-ffffc080c340fe40 se ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_t[ 72.232069] lkdtm: bad_stack : ffffc080c340fda8-ffffc080c340fdc8 riggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_[ 72.245061] lkdtm: attempting good copy_to_user of local stack chardev cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub x86_pkg_[ 72.257900] lkdtm: attempting bad copy_to_user of distant stack temp_thermal cros_ec_dev cros_usbpd_notify # [ 61.375865] CPU: 1 PID: 2050 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 61.384549] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 61.391372] RIP: 0010:refcount_warn_saturate+0x49/0xf0 # [ 61.397145] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 48 1d 76 01 00 75 f2 48 c7 c7 60 b9 85 9b c6 05 38 1d 76 01 01 e8 dd fb 92 00 <0f> 0b c3 80 3d 28 1d 76 01 00 75 d3 48 c7 c7 88 b9 85 9b c6 05 18 # [ 61.418136] RSP: 0018:ffffc080c2837e48 EFLAGS: 00010286 # [ 61.423974] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 # [ 61.431950] RDX: ffffa2ae7acac660 RSI: ffffa2ae7ac9bf70 RDI: ffffa2ae7ac9bf70 # [ 61.439957] RBP: ffffffff9b8bfeed R08: 0000000000000000 R09: 0000000000000000 # [ 61.447933] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 61.455907] R13: ffffc080c2837f10 R14: ffffc080c2837f10 R15: ffffa2ae033cb000 # [ 61.463883] FS: 00007f879f19c580(0000) GS:ffffa2ae[ 72.367800] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM 7ac80000(0000) knlGS:0000000000000000 # [ 61.472927] CS: 001[ 72.377086] lkdtm: good_stack: ffffc080c34afe20-ffffc080c34afe40 0 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 61.479366] CR2:[ 72.390015] lkdtm: bad_stack : ffffc080c34afda8-ffffc080c34afdc8 00007f879efb5000 CR3: 0000000105620003 CR4: 00000000003706e0 #[ 72.402975] lkdtm: attempting good copy_from_user of local stack [ 61.487343] Call Trace: # [ 61.490118] lkdtm_REFCOUNT_IN[ 72.415884] lkdtm: attempting bad copy_from_user of distant stack C_OVERFLOW+0x70/0x94 # [ 61.495503] direct_entry.cold+0x2c/0x38 # [ 61.499916] full_proxy_write+0x56/0x80 # [ 61.504204] vfs_write+0xea/0x390 # [ 61.507934] ksys_write+0x68/0xe0 # [ 61.511638] do_syscall_64+0x33/0x40 # [ 61.515661] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 61.521317] RIP: 0033:0x7f879f0c4f33 # [ 61.525316] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 61.552515] RSP: 002b:00007fff8f57c688 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 61.560977] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f879f0c4f33 # [ 61.568952] RDX: 0000000000000016 RSI: 00007f879efb5000 RDI: 0000000000000001 # [ 61.576925] RBP: 00007f879efb5000 R08: 00007f879efb4010 R09: 0000000000000000 # [ 61.584900] R10: 00007f879f1bf1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 61.599090] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 61.613282] irq[ 72.530258] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND [ 72.541419] lkdtm: good_stack: ffffc080c355fe20-ffffc080c355fe40 [ 72.548139] lkdtm: bad_stack : ffffc080c355fff8-ffffc080c3560018 event stamp: 0 # [ 61.616721] hardirqs last enabled at (0):[ 72.554862] lkdtm: attempting good copy_to_user of local stack [ 72.567605] lkdtm: attempting bad copy_to_user of distant stack [<0000000000000000>] 0x0 # [ 61.623724] hardirqs last disabl[ 72.574232] lkdtm: copy_to_user failed, but lacked Oops ed at (0): [] copy_process+0x63c/0x1c80 # [ 61.632863] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 61.642003] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 61.649003] ---[ end trace 0e9ee7a379cc4f65 ]--- # [ 61.654151] 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 # [ 61.753538] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 61.765395] lkdtm: attempting good refcount_add() without overflow # [ 61.778515] lkdtm: attempting bad refcount_add() overflow # [ 61.790760] ------------[ cut here ]------------ # [ 61.802133] refcount_t: saturated; leaking memory. # [ 61.813733] WARNING: CPU: 2 PID: 2082 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 # [ 61.829253] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 61.861899] CPU: 2 PID: 2082 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 61.876772] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 6[ 72.711057] lkdtm: Performing direct entry USERCOPY_KERNEL 1.889797] RIP: 0010:refcount_warn_saturate+0x49/0xf0 # [ 61.9[ 72.723039] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff9b4d9f10 [ 72.737928] lkdtm: attempting bad copy_to_user from kernel text: ffffffff9a2d1460 01752] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 48 [ 72.746298] lkdtm: FAIL: survived bad copy_to_user() 1d 76 01 00 75 f2 48 c7 c7 60 b9 85 9b c6 05 38 1d 76 01 01 e8 dd fb 92 00 <0f> 0b c3 80 3d 28 1d 76 01 00 75 d3 48 c7 c7 88 b9 85 9b c6 05 18 # [ 61.928981] RSP: 0018:ffffc080c28d7e48 EFLAGS: 00010286 # [ 61.941040] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 # [ 61.955230] RDX: ffffa2ae7ad2c660 RSI: ffffa2ae7ad1bf70 RDI: ffffa2ae7ad1bf70 # [ 61.963207] RBP: ffffffff9b8bff03 R08: 0000000000000000 R09: 0000000000000000 # [ 61.977392] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 61.985369] R13: ffffc080c28d7f10 R14: ffffc080c28d7f10 R15: ffffa2ae04c71000 # [ 61.999556] FS: 00007fc0a203a580(0000) GS:ffffa2ae7ad00000(0000) knlGS:0000000000000000 # [ 62.008599] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 62.021230] CR2: 00007fc0a1e53000 CR3: 0000000104f4e002 CR4: 00000000003706e0 # [ 62.029207] Call Trace: # [ 62.038151] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa3 # [ 62.049720] direct_entry.cold+0x2c/0x38 # [ 62.060318] full_proxy_write+0x56/0x80 # [ 62.070819] vfs_write+0xea/0x[ 72.858008] lkdtm: Performing direct entry STACKLEAK_ERASING [ 72.870143] lkdtm: checking unused part of the thread stack (15928 bytes)... 390 # [ 62.080737] ksys_write+0x68/0xe0 # [ 62.090657] d[ 72.878050] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) [ 72.892026] lkdtm: FAIL: the thread stack is NOT properly erased o_syscall_64+0x33/0x40 # [ 62.100868] entry_SYSCALL_64_after[ 72.898738] CPU: 1 PID: 2951 Comm: cat Tainted: G D W 5.10.129-cip12 #1 [ 72.913600] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 72.920406] Call Trace: _hwframe+0x44/0xa9 # [ 62.112729] RIP: 0033:0x7fc0a1f62f33 #[ 72.923137] dump_stack+0x77/0x97 [ 72.933050] lkdtm_STACKLEAK_ERASING+0x116/0x140 [ 62.122939] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 [ 72.938207] direct_entry.cold+0x2c/0x38 [ 72.948800] full_proxy_write+0x56/0x80 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b[ 72.953085] vfs_write+0xea/0x390 [ 72.962996] ksys_write+0x68/0xe0 [ 72.966695] do_syscall_64+0x33/0x40 [ 72.970686] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 72.976326] RIP: 0033:0x7fa1d5778f33 [ 72.980314] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 73.001297] RSP: 002b:00007ffcea94f838 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 73.009755] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fa1d5778f33 [ 73.017716] RDX: 0000000000000012 RSI: 00007fa1d5669000 RDI: 0000000000000001 [ 73.025686] RBP: 00007fa1d5669000 R08: 00007fa1d5668010 R09: 0000000000000000 [ 73.033648] R10: 00007fa1d58731c0 R11: 0000000000000246 R12: 0000000000000001 [ 73.041618] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 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 # [ 62.143930] RSP: 002b:00007fff49fe8f88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 62.158603] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fc0a1f62f33 # [ 62.166579] RDX: 0000000000000016 RSI: 00007fc0a1e53000 RDI: 0000000000000001 # [ 62.180768] RBP: 00007fc0a1e53000 R08: 00007fc0a1e52010 R09: 0000000000000000 # [ 62.194962] R10: 00007fc0a205d1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 62.209153] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 62.217135] irq event stamp: 0 # [ 62.226750] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 62.233756] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 62.249106] softirqs last enabled at (0): [] copy_process+0x63c/0x1[ 73.135398] lkdtm: Performing direct entry CFI_FORWARD_PROTO c80 # [ 62.264463] softirqs last disabled at (0): [<000000000[ 73.142938] lkdtm: Calling matched prototype ... 0000000>] 0x0 # [ 62.271470] ---[ end trace 0e9ee7a379cc4f66 [ 73.154318] lkdtm: Calling mismatched prototype ... ]--- # [ 62.282838] lkdtm: Overflow detected: saturated # RE[ 73.165999] lkdtm: Fail: survived mismatched prototype function call! FCOUNT_ADD_OVERFLOW: saw 'call trace:': ok ok 43 selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh # [ 62.375005] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 62.388737] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 62.401863] ------------[ cut here ]------------ # [ 62.413232] refcount_t: saturated; leaking memory. # [ 62.418604] WARNING: CPU: 2 PID: 2114 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 # [ 62.434130] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 62.466779] CPU: 2 PID: 2114 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 62.481654] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 62.494681] RIP: 0010:refcount_warn_saturate+0x87/0xf0 # [ 62.506636] Code: 05 18 1d 76 01 01 e8 be fb 92 00 0f 0b c3 80 3d 0b 1d 76 01 00 75 b4 48 c7 c7 60 b9 85 9b c6 05 fb 1c 76 01 01 e8 9f fb 92 00 <0f> 0b c3 80 3d e9 1c 76 01 00 75 95 48 c7 c7 b8 b9 85 9b c6 05 d9 # [ 62.533867] RSP: 0018:ffffc080c2987e38 EFLAGS: 00010282 # [ 62.545925] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 62.560113] RDX: ffffa2ae7ad2c660 RSI: ffffa2ae7ad1bf70 RDI: ffffa2ae7ad1bf70 # [ 62.568089] RBP: ffffffff9b8bfb40 R08: 0000000000000000 R09: 0000000000000000 # [ 62.582275] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 62.590249] R13: ffffc080c2987f10 R14: ffffc080c2987f10 R15: ffffa2ae02645000 # [ 62.598225] FS: 00007f79beaf0580(0000) GS:ffffa2ae7ad00000(0000) knlGS:0000000000000000 # [ 62.607267] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 62.619898] CR2: 00007f79be909000 CR3: 0000000105d7c006 CR4: 00000000003706e0 # [ 62.627872] Call Trace: # [ 62.630604] __refcount_add_not_zero.constprop.0+0x2a/0x31 # [ 62.642951] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x72 # [ 62.655393] direct_entry.cold+0x2c/0x38 # [ 62.659777] full_proxy_write+0x56/0x80 # [ 62.670271] vfs_write+0xea/0x390 # [ 62.673973] ksys_write+0x68/0xe0 # [ 62.683886] do_syscall_64+0x33/0x40 # [ 62.694095] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 62.699764] RIP: 0033:0x7f79bea18f33 # [ 62.709966] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 62.730959] RSP: 002b:00007ffee8c2c698 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 62.745629] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f79bea18f33 # [ 62.753607] RDX: 000000000000001f RSI: 00007f79be909000 RDI: 0000000000000001 # [ 62.767800] RBP: 00007f79be909000 R08: 00007f79be908010 R09: 0000000000000000 # [ 62.781993] R10: 00007f79beb131c0 R11: 0000000000000246 R12: 0000000000000001 # [ 62.796183] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 62.810375] irq event stamp: 0 # [ 62.819999] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 62.833221] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 62.848577] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 62.863933] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 62.877152] ---[ end trace 0e9ee7a379cc4f67 ]--- # [ 62.888526] lkdtm: Overflow detected: saturated # REFCOUNT_INC_NOT_ZERO_OVERFLOW: saw 'call trace:': ok ok 44 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh # [ 62.973602] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 62.981968] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 62.988880] ------------[ cut here ]------------ # [ 62.994039] refcount_t: saturated; leaking memory. # [ 62.999419] WARNING: CPU: 3 PID: 2146 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 # [ 63.008756] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 63.041400] CPU: 3 PID: 2146 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 63.050056] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 63.063083] RIP: 0010:refcount_warn_saturate+0x87/0xf0 # [ 63.068851] Code: 05 18 1d 76 01 01 e8 be fb 92 00 0f 0b c3 80 3d 0b 1d 76 01 00 75 b4 48 c7 c7 60 b9 85 9b c6 05 fb 1c 76 01 01 e8 9f fb 92 00 <0f> 0b c3 80 3d e9 1c 76 01 00 75 95 48 c7 c7 b8 b9 85 9b c6 05 d9 # [ 63.089839] RSP: 0018:ffffc080c2a07e38 EFLAGS: 00010282 # [ 63.095677] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 63.103656] RDX: ffffa2ae7adac660 RSI: ffffa2ae7ad9bf70 RDI: ffffa2ae7ad9bf70 # [ 63.111663] RBP: ffffffff9b8bfb60 R08: 0000000000000000 R09: 0000000000000000 # [ 63.119661] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 63.127632] R13: ffffc080c2a07f10 R14: ffffc080c2a07f10 R15: ffffa2ae05790000 # [ 63.135604] FS: 00007f454e87f580(0000) GS:ffffa2ae7ad80000(0000) knlGS:0000000000000000 # [ 63.144644] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 63.151053] CR2: 00007f454e698000 CR3: 0000000105714006 CR4: 00000000003706e0 # [ 63.159027] Call Trace: # [ 63.161759] __refcount_add_not_zero.constprop.0+0x2a/0x31 # [ 63.167914] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x72 # [ 63.174140] direct_entry.cold+0x2c/0x38 # [ 63.178522] full_proxy_write+0x56/0x80 # [ 63.182807] vfs_write+0xea/0x390 # [ 63.186509] ksys_write+0x68/0xe0 # [ 63.190210] do_syscall_64+0x33/0x40 # [ 63.194203] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 63.199845] RIP: 0033:0x7f454e7a7f33 # [ 63.203837] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 63.224825] RSP: 002b:00007fffde6b5618 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 63.233302] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f454e7a7f33 # [ 63.241283] RDX: 000000000000001f RSI: 00007f454e698000 RDI: 0000000000000001 # [ 63.255470] RBP: 00007f454e698000 R08: 00007f454e697010 R09: 0000000000000000 # [ 63.263443] R10: 00007f454e8a21c0 R11: 0000000000000246 R12: 0000000000000001 # [ 63.271418] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 63.279392] irq event stamp: 0 # [ 63.282801] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 63.289806] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 63.298945] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 63.308083] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 63.315076] ---[ end trace 0e9ee7a379cc4f68 ]--- # [ 63.320234] 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 # [ 63.424023] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 63.431091] lkdtm: attempting good refcount_dec() # [ 63.436372] lkdtm: attempting bad refcount_dec() to zero # [ 63.442328] ------------[ cut here ]------------ # [ 63.453670] refcount_t: decrement hit 0; leaking memory. # [ 63.459624] WARNING: CPU: 1 PID: 2178 at lib/refcount.c:31 refcount_warn_saturate+0xdf/0xf0 # [ 63.468964] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 63.495415] CPU: 1 PID: 2178 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 63.504069] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 63.510878] RIP: 0010:refcount_warn_saturate+0xdf/0xf0 # [ 63.516619] Code: ff 48 c7 c7 10 ba 85 9b c6 05 b4 1c 76 01 01 e8 5d fb 92 00 0f 0b c3 48 c7 c7 e0 b9 85 9b c6 05 9f 1c 76 01 01 e8 47 fb 92 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 # [ 63.537607] RSP: 0018:ffffc080c2a8fe48 EFLAGS: 00010286 # [ 63.543446] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 # [ 63.551418] RDX: ffffa2ae7acac660 RSI: ffffa2ae7ac9bf70 RDI: ffffa2ae7ac9bf70 # [ 63.559391] RBP: ffffffff9b8bff19 R08: 0000000000000000 R09: 0000000000000000 # [ 63.567365] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 63.575350] R13: ffffc080c2a8ff10 R14: ffffc080c2a8ff10 R15: ffffa2ae04fb1000 # [ 63.583357] FS: 00007f0b31baa580(0000) GS:ffffa2ae7ac80000(0000) knlGS:0000000000000000 # [ 63.592398] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 63.598816] CR2: 00007f0b319c3000 CR3: 00000001027f8003 CR4: 00000000003706e0 # [ 63.606784] Call Trace: # [ 63.615734] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xb9 # [ 63.626917] direct_entry.cold+0x2c/0x38 # [ 63.631324] full_proxy_write+0x56/0x80 # [ 63.641817] vfs_write+0xea/0x390 # [ 63.645518] ksys_write+0x68/0xe0 # [ 63.649219] do_syscall_64+0x33/0x40 # [ 63.653211] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 63.658855] RIP: 0033:0x7f0b31ad2f33 # [ 63.662847] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 63.683837] RSP: 002b:00007ffdfc0d0ff8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 63.692311] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f0b31ad2f33 # [ 63.700286] RDX: 0000000000000012 RSI: 00007f0b319c3000 RDI: 0000000000000001 # [ 63.714471] RBP: 00007f0b319c3000 R08: 00007f0b319c2010 R09: 0000000000000000 # [ 63.722434] R10: 00007f0b31bcd1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 63.730398] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 63.738372] irq event stamp: 0 # [ 63.741779] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 63.748774] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 63.757914] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 63.767052] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 63.774053] ---[ end trace 0e9ee7a379cc4f69 ]--- # [ 63.779210] lkdtm: Zero detected: saturated # REFCOUNT_DEC_ZERO: saw 'call trace:': ok ok 46 selftests: lkdtm: REFCOUNT_DEC_ZERO.sh # selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh # [ 63.909186] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 63.921172] lkdtm: attempting bad refcount_dec() below zero # [ 63.927404] ------------[ cut here ]------------ # [ 63.932570] refcount_t: decrement hit 0; leaking memory. # [ 63.944731] WARNING: CPU: 3 PID: 2213 at lib/refcount.c:31 refcount_warn_saturate+0xdf/0xf0 # [ 63.960295] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 63.986740] CPU: 3 PID: 2213 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 64.001605] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 64.008415] RIP: 0010:refcount_warn_saturate+0xdf/0xf0 # [ 64.014155] Code: ff 48 c7 c7 10 ba 85 9b c6 05 b4 1c 76 01 01 e8 5d fb 92 00 0f 0b c3 48 c7 c7 e0 b9 85 9b c6 05 9f 1c 76 01 01 e8 47 fb 92 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 # [ 64.035142] RSP: 0018:ffffc080c2b07e48 EFLAGS: 00010286 # [ 64.040978] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 # [ 64.048950] RDX: ffffa2ae7adac660 RSI: ffffa2ae7ad9bf70 RDI: ffffa2ae7ad9bf70 # [ 64.056922] RBP: ffffffff9b8bff2b R08: 0000000000000000 R09: 0000000000000000 # [ 64.064894] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 64.072866] R13: ffffc080c2b07f10 R14: ffffc080c2b07f10 R15: ffffa2ae03025000 # [ 64.080840] FS: 00007f8feb9f9580(0000) GS:ffffa2ae7ad80000(0000) knlGS:0000000000000000 # [ 64.089880] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 64.096310] CR2: 00007f8feb812000 CR3: 00000001033e0002 CR4: 00000000003706e0 # [ 64.104285] Call Trace: # [ 64.113229] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x5d # [ 64.118604] direct_entry.cold+0x2c/0x38 # [ 64.122985] full_proxy_write+0x56/0x80 # [ 64.127268] vfs_write+0xea/0x390 # [ 64.130969] ksys_write+0x68/0xe0 # [ 64.134668] do_syscall_64+0x33/0x40 # [ 64.138660] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 64.144311] RIP: 0033:0x7f8feb921f33 # [ 64.148303] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 64.175504] RSP: 002b:00007ffd1c1cd8e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 64.183963] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f8feb921f33 # [ 64.191935] RDX: 0000000000000016 RSI: 00007f8feb812000 RDI: 0000000000000001 # [ 64.199898] RBP: 00007f8feb812000 R08: 00007f8feb811010 R09: 0000000000000000 # [ 64.207860] R10: 00007f8feba1c1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 64.215826] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 64.223804] irq event stamp: 0 # [ 64.233422] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 64.240426] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 64.255777] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 64.264920] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 64.278139] ---[ end trace 0e9ee7a379cc4f6a ]--- # [ 64.283312] 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 # [ 64.402714] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 64.414080] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 64.421215] ------------[ cut here ]------------ # [ 64.426406] refcount_t: underflow; use-after-free. # [ 64.431800] WARNING: CPU: 3 PID: 2248 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 # [ 64.447330] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 64.473815] CPU: 3 PID: 2248 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 64.488678] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 64.495489] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 # [ 64.501231] Code: 05 fb 1c 76 01 01 e8 9f fb 92 00 0f 0b c3 80 3d e9 1c 76 01 00 75 95 48 c7 c7 b8 b9 85 9b c6 05 d9 1c 76 01 01 e8 80 fb 92 00 <0f> 0b c3 80 3d c8 1c 76 01 00 0f 85 72 ff ff ff 48 c7 c7 10 ba 85 # [ 64.528441] RSP: 0018:ffffc080c2b6fe40 EFLAGS: 00010286 # [ 64.534302] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 # [ 64.548489] RDX: ffffa2ae7adac660 RSI: ffffa2ae7ad9bf70 RDI: ffffa2ae7ad9bf70 # [ 64.556461] RBP: ffffffff9b8bfb80 R08: 0000000000000000 R09: 0000000000000000 # [ 64.564433] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 64.572405] R13: ffffc080c2b6ff10 R14: ffffc080c2b6ff10 R15: ffffa2ae04d61000 # [ 64.580378] FS: 00007f313d2c6580(0000) GS:ffffa2ae7ad80000(0000) knlGS:0000000000000000 # [ 64.589419] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 64.595838] CR2: 00007f313d0df000 CR3: 0000000104c1a004 CR4: 00000000003706e0 # [ 64.603811] Call Trace: # [ 64.606543] __refcount_sub_and_test.constprop.0+0x34/0x40 # [ 64.612672] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x74 # [ 64.618898] direct_entry.cold+0x2c/0x38 # [ 64.623298] full_proxy_write+0x56/0x80 # [ 64.627592] vfs_write+0xea/0x390 # [ 64.637502] ksys_write+0x68/0xe0 # [ 64.641203] do_syscall_64+0x33/0x40 # [ 64.645194] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 64.650837] RIP: 0033:0x7f313d1eef33 # [ 64.654827] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 64.675815] RSP: 002b:00007ffc08b692f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 64.684277] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f313d1eef33 # [ 64.692250] RDX: 000000000000001f RSI: 00007f313d0df000 RDI: 0000000000000001 # [ 64.700221] RBP: 00007f313d0df000 R08: 00007f313d0de010 R09: 0000000000000000 # [ 64.708194] R10: 00007f313d2e91c0 R11: 0000000000000246 R12: 0000000000000001 # [ 64.716167] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 64.724143] irq event stamp: 0 # [ 64.727550] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 64.734554] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 64.743719] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 64.752858] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 64.759859] ---[ end trace 0e9ee7a379cc4f6b ]--- # [ 64.765015] 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 # [ 64.917537] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 64.926833] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 64.940149] ------------[ cut here ]------------ # [ 64.951523] refcount_t: underflow; use-after-free. # [ 64.963119] WARNING: CPU: 2 PID: 2283 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 # [ 64.978644] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 65.011309] CPU: 2 PID: 2283 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 65.026179] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 65.039207] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 # [ 65.051164] Code: 05 fb 1c 76 01 01 e8 9f fb 92 00 0f 0b c3 80 3d e9 1c 76 01 00 75 95 48 c7 c7 b8 b9 85 9b c6 05 d9 1c 76 01 01 e8 80 fb 92 00 <0f> 0b c3 80 3d c8 1c 76 01 00 0f 85 72 ff ff ff 48 c7 c7 10 ba 85 # [ 65.078363] RSP: 0018:ffffc080c2befe40 EFLAGS: 00010286 # [ 65.090417] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 # [ 65.104610] RDX: ffffa2ae7ad2c660 RSI: ffffa2ae7ad1bf70 RDI: ffffa2ae7ad1bf70 # [ 65.118801] RBP: ffffffff9b8bfba0 R08: 0000000000000000 R09: 0000000000000000 # [ 65.132992] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 65.147183] R13: ffffc080c2beff10 R14: ffffc080c2beff10 R15: ffffa2ae034b7000 # [ 65.161375] FS: 00007f4b300ce580(0000) GS:ffffa2ae7ad00000(0000) knlGS:0000000000000000 # [ 65.176634] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 65.189272] CR2: 00007f4b2fee7000 CR3: 0000000103164004 CR4: 00000000003706e0 # [ 65.203460] Call Trace: # [ 65.206195] __refcount_sub_and_test.constprop.0+0x34/0x40 # [ 65.218538] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x77 # [ 65.230979] direct_entry.cold+0x2c/0x38 # [ 65.241574] full_proxy_write+0x56/0x80 # [ 65.252073] vfs_write+0xea/0x390 # [ 65.262009] ksys_write+0x68/0xe0 # [ 65.271906] do_syscall_64+0x33/0x40 # [ 65.282115] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 65.293972] RIP: 0033:0x7f4b2fff6f33 # [ 65.297989] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 65.325187] RSP: 002b:00007fff06bb5798 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 65.335203] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f4b2fff6f33 # [ 65.349394] RDX: 000000000000001f RSI: 00007f4b2fee7000 RDI: 0000000000000001 # [ 65.357368] RBP: 00007f4b2fee7000 R08: 00007f4b2fee6010 R09: 0000000000000000 # [ 65.371556] R10: 00007f4b300f11c0 R11: 0000000000000246 R12: 0000000000000001 # [ 65.379532] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 65.393722] irq event stamp: 0 # [ 65.403371] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 65.416595] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 65.431949] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 65.441091] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 65.454312] ---[ end trace 0e9ee7a379cc4f6c ]--- # [ 65.465686] lkdtm: Negative detected: saturated # REFCOUNT_SUB_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok ok 49 selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_INC_ZERO.sh # [ 65.579789] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 65.588941] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 65.596048] lkdtm: Good: zero detected # [ 65.600235] lkdtm: Correctly stayed at zero # [ 65.604905] lkdtm: attempting bad refcount_inc() from zero # [ 65.611032] ------------[ cut here ]------------ # [ 65.616188] refcount_t: addition on 0; use-after-free. # [ 65.621955] WARNING: CPU: 3 PID: 2315 at lib/refcount.c:25 refcount_warn_saturate+0x68/0xf0 # [ 65.631296] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 65.663937] CPU: 3 PID: 2315 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 65.672589] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 65.679398] RIP: 0010:refcount_warn_saturate+0x68/0xf0 # [ 65.685137] Code: 05 38 1d 76 01 01 e8 dd fb 92 00 0f 0b c3 80 3d 28 1d 76 01 00 75 d3 48 c7 c7 88 b9 85 9b c6 05 18 1d 76 01 01 e8 be fb 92 00 <0f> 0b c3 80 3d 0b 1d 76 01 00 75 b4 48 c7 c7 60 b9 85 9b c6 05 fb # [ 65.706126] RSP: 0018:ffffc080c2c6fe48 EFLAGS: 00010286 # [ 65.711987] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 # [ 65.719960] RDX: ffffa2ae7adac660 RSI: ffffa2ae7ad9bf70 RDI: ffffa2ae7ad9bf70 # [ 65.727935] RBP: ffffffff9b8bff41 R08: 0000000000000000 R09: 0000000000000000 # [ 65.735908] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 65.743881] R13: ffffc080c2c6ff10 R14: ffffc080c2c6ff10 R15: ffffa2ae04fcf000 # [ 65.751855] FS: 00007f073cdb5580(0000) GS:ffffa2ae7ad80000(0000) knlGS:0000000000000000 # [ 65.760896] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 65.767315] CR2: 00007f073cbce000 CR3: 000000010302c004 CR4: 00000000003706e0 # [ 65.781501] Call Trace: # [ 65.784235] lkdtm_REFCOUNT_INC_ZERO+0x99/0xbd # [ 65.789225] direct_entry.cold+0x2c/0x38 # [ 65.799818] full_proxy_write+0x56/0x80 # [ 65.804131] vfs_write+0xea/0x390 # [ 65.807833] ksys_write+0x68/0xe0 # [ 65.811559] do_syscall_64+0x33/0x40 # [ 65.815552] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 65.821197] RIP: 0033:0x7f073ccddf33 # [ 65.825189] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 65.846177] RSP: 002b:00007ffdd0cd2288 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 65.854638] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f073ccddf33 # [ 65.868828] RDX: 0000000000000012 RSI: 00007f073cbce000 RDI: 0000000000000001 # [ 65.883018] RBP: 00007f073cbce000 R08: 00007f073cbcd010 R09: 0000000000000000 # [ 65.890992] R10: 00007f073cdd81c0 R11: 0000000000000246 R12: 0000000000000001 # [ 65.898965] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 65.906942] irq event stamp: 0 # [ 65.910376] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 65.917401] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 65.926553] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 65.941897] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 65.948898] ---[ end trace 0e9ee7a379cc4f6d ]--- # [ 65.954056] 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 # [ 66.072984] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 66.083165] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 66.090272] lkdtm: Good: zero detected # [ 66.094464] lkdtm: Correctly stayed at zero # [ 66.099134] lkdtm: attempting bad refcount_add() from zero # [ 66.105261] ------------[ cut here ]------------ # [ 66.110409] refcount_t: addition on 0; use-after-free. # [ 66.116174] WARNING: CPU: 1 PID: 2347 at lib/refcount.c:25 refcount_warn_saturate+0x68/0xf0 # [ 66.125514] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 66.158156] CPU: 1 PID: 2347 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 66.166811] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 66.173623] RIP: 0010:refcount_warn_saturate+0x68/0xf0 # [ 66.185578] Code: 05 38 1d 76 01 01 e8 dd fb 92 00 0f 0b c3 80 3d 28 1d 76 01 00 75 d3 48 c7 c7 88 b9 85 9b c6 05 18 1d 76 01 01 e8 be fb 92 00 <0f> 0b c3 80 3d 0b 1d 76 01 00 75 b4 48 c7 c7 60 b9 85 9b c6 05 fb # [ 66.206598] RSP: 0018:ffffc080c2cdfe48 EFLAGS: 00010286 # [ 66.212438] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 # [ 66.220414] RDX: ffffa2ae7acac660 RSI: ffffa2ae7ac9bf70 RDI: ffffa2ae7ac9bf70 # [ 66.228411] RBP: ffffffff9b8bff53 R08: 0000000000000000 R09: 0000000000000000 # [ 66.236390] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 66.250568] R13: ffffc080c2cdff10 R14: ffffc080c2cdff10 R15: ffffa2ae04d6c000 # [ 66.258544] FS: 00007f4f8ded5580(0000) GS:ffffa2ae7ac80000(0000) knlGS:0000000000000000 # [ 66.267586] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 66.274006] CR2: 00007f4f8dcee000 CR3: 0000000104ea2002 CR4: 00000000003706e0 # [ 66.281981] Call Trace: # [ 66.284714] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xbd # [ 66.289713] direct_entry.cold+0x2c/0x38 # [ 66.294125] full_proxy_write+0x56/0x80 # [ 66.298424] vfs_write+0xea/0x390 # [ 66.302156] ksys_write+0x68/0xe0 # [ 66.305859] do_syscall_64+0x33/0x40 # [ 66.309872] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 66.315516] RIP: 0033:0x7f4f8ddfdf33 # [ 66.319508] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 66.340498] RSP: 002b:00007ffdee5642e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 66.348958] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f4f8ddfdf33 # [ 66.356935] RDX: 0000000000000012 RSI: 00007f4f8dcee000 RDI: 0000000000000001 # [ 66.364909] RBP: 00007f4f8dcee000 R08: 00007f4f8dced010 R09: 0000000000000000 # [ 66.372884] R10: 00007f4f8def81c0 R11: 0000000000000246 R12: 0000000000000001 # [ 66.380857] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 66.388835] irq event stamp: 0 # [ 66.392273] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 66.399279] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 66.408442] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 66.417582] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 66.424586] ---[ end trace 0e9ee7a379cc4f6e ]--- # [ 66.429744] lkdtm: Zero detected: saturated # REFCOUNT_ADD_ZERO: saw 'call trace:': ok ok 51 selftests: lkdtm: REFCOUNT_ADD_ZERO.sh # selftests: lkdtm: REFCOUNT_INC_SATURATED.sh # [ 66.557688] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 66.565712] lkdtm: attempting bad refcount_inc() from saturated # [ 66.572328] ------------[ cut here ]------------ # [ 66.577492] refcount_t: saturated; leaking memory. # [ 66.589083] WARNING: CPU: 1 PID: 2382 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 # [ 66.598423] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 66.631067] CPU: 1 PID: 2382 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 66.639721] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 66.646530] RIP: 0010:refcount_warn_saturate+0x49/0xf0 # [ 66.652269] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 48 1d 76 01 00 75 f2 48 c7 c7 60 b9 85 9b c6 05 38 1d 76 01 01 e8 dd fb 92 00 <0f> 0b c3 80 3d 28 1d 76 01 00 75 d3 48 c7 c7 88 b9 85 9b c6 05 18 # [ 66.673257] RSP: 0018:ffffc080c2d67e48 EFLAGS: 00010286 # [ 66.679096] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 # [ 66.687068] RDX: ffffa2ae7acac660 RSI: ffffa2ae7ac9bf70 RDI: ffffa2ae7ac9bf70 # [ 66.695040] RBP: ffffffff9b8bff65 R08: 0000000000000000 R09: 0000000000000000 # [ 66.703012] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 66.710984] R13: ffffc080c2d67f10 R14: ffffc080c2d67f10 R15: ffffa2ae00e6e000 # [ 66.718957] FS: 00007fce3353b580(0000) GS:ffffa2ae7ac80000(0000) knlGS:0000000000000000 # [ 66.727997] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 66.734416] CR2: 00007fce33354000 CR3: 00000001055e0002 CR4: 00000000003706e0 # [ 66.742390] Call Trace: # [ 66.745120] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x60 # [ 66.750601] direct_entry.cold+0x2c/0x38 # [ 66.755008] full_proxy_write+0x56/0x80 # [ 66.759319] vfs_write+0xea/0x390 # [ 66.769237] ksys_write+0x68/0xe0 # [ 66.772940] do_syscall_64+0x33/0x40 # [ 66.776957] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 66.782601] RIP: 0033:0x7fce33463f33 # [ 66.786593] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 66.807582] RSP: 002b:00007ffc448c4518 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 66.816044] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fce33463f33 # [ 66.824019] RDX: 0000000000000017 RSI: 00007fce33354000 RDI: 0000000000000001 # [ 66.831994] RBP: 00007fce33354000 R08: 00007fce33353010 R09: 0000000000000000 # [ 66.846186] R10: 00007fce3355e1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 66.854158] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 66.868380] irq event stamp: 0 # [ 66.871799] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 66.885016] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 66.894188] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 66.903370] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 66.910376] ---[ end trace 0e9ee7a379cc4f6f ]--- # [ 66.915555] 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 # [ 67.021974] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 67.033915] lkdtm: attempting bad refcount_dec() from saturated # [ 67.046776] ------------[ cut here ]------------ # [ 67.058144] refcount_t: decrement hit 0; leaking memory. # [ 67.070309] WARNING: CPU: 0 PID: 2417 at lib/refcount.c:31 refcount_warn_saturate+0xdf/0xf0 # [ 67.085853] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 67.118523] CPU: 0 PID: 2417 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 67.133398] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 67.146453] RIP: 0010:refcount_warn_saturate+0xdf/0xf0 # [ 67.158390] Code: ff 48 c7 c7 10 ba 85 9b c6 05 b4 1c 76 01 01 e8 5d fb 92 00 0f 0b c3 48 c7 c7 e0 b9 85 9b c6 05 9f 1c 76 01 01 e8 47 fb 92 00 <0f> 0b c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 07 3d 00 00 # [ 67.185618] RSP: 0018:ffffc080c2dbfe48 EFLAGS: 00010286 # [ 67.197657] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 # [ 67.211881] RDX: ffffa2ae7ac2c660 RSI: ffffa2ae7ac1bf70 RDI: ffffa2ae7ac1bf70 # [ 67.226047] RBP: ffffffff9b8bff7c R08: 0000000000000000 R09: 0000000000000000 # [ 67.240251] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 67.254430] R13: ffffc080c2dbff10 R14: ffffc080c2dbff10 R15: ffffa2ae04f56000 # [ 67.268632] FS: 00007efdfad26580(0000) GS:ffffa2ae7ac00000(0000) knlGS:0000000000000000 # [ 67.283877] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 67.296536] CR2: 00007efdfab3f000 CR3: 0000000104ec0003 CR4: 00000000003706f0 # [ 67.310715] Call Trace: # [ 67.319688] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5b # [ 67.331335] direct_entry.cold+0x2c/0x38 # [ 67.341954] full_proxy_write+0x56/0x80 # [ 67.352440] vfs_write+0xea/0x390 # [ 67.362375] ksys_write+0x68/0xe0 # [ 67.372283] do_syscall_64+0x33/0x40 # [ 67.382511] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 67.394353] RIP: 0033:0x7efdfac4ef33 # [ 67.404592] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 67.431789] RSP: 002b:00007ffcaf259ea8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 67.446465] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007efdfac4ef33 # [ 67.460652] RDX: 0000000000000017 RSI: 00007efdfab3f000 RDI: 0000000000000001 # [ 67.474841] RBP: 00007efdfab3f000 R08: 00007efdfab3e010 R09: 0000000000000000 # [ 67.489020] R10: 00007efdfad491c0 R11: 0000000000000246 R12: 0000000000000001 # [ 67.497004] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 67.511207] irq event stamp: 0 # [ 67.520822] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 67.534050] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 67.549401] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 67.564768] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 67.577981] ---[ end trace 0e9ee7a379cc4f70 ]--- # [ 67.589379] 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 # [ 67.720059] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 67.732761] lkdtm: attempting bad refcount_dec() from saturated # [ 67.745575] ------------[ cut here ]------------ # [ 67.756944] refcount_t: saturated; leaking memory. # [ 67.768558] WARNING: CPU: 0 PID: 2452 at lib/refcount.c:22 refcount_warn_saturate+0x49/0xf0 # [ 67.784092] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 67.816748] CPU: 0 PID: 2452 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 67.831727] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 67.844694] RIP: 0010:refcount_warn_saturate+0x49/0xf0 # [ 67.856637] Code: 76 01 00 0f 84 a4 00 00 00 c3 85 f6 74 3e 80 3d 48 1d 76 01 00 75 f2 48 c7 c7 60 b9 85 9b c6 05 38 1d 76 01 01 e8 dd fb 92 00 <0f> 0b c3 80 3d 28 1d 76 01 00 75 d3 48 c7 c7 88 b9 85 9b c6 05 18 # [ 67.883853] RSP: 0018:ffffc080c2e67e48 EFLAGS: 00010286 # [ 67.895891] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 # [ 67.910074] RDX: ffffa2ae7ac2c660 RSI: ffffa2ae7ac1bf70 RDI: ffffa2ae7ac1bf70 # [ 67.924305] RBP: ffffffff9b8bff93 R08: 0000000000000000 R09: 0000000000000000 # [ 67.938503] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 67.952695] R13: ffffc080c2e67f10 R14: ffffc080c2e67f10 R15: ffffa2ae03406000 # [ 67.966866] FS: 00007fdbcb3e9580(0000) GS:ffffa2ae7ac00000(0000) knlGS:0000000000000000 # [ 67.982126] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 67.994751] CR2: 00007fdbcb202000 CR3: 0000000105450004 CR4: 00000000003706f0 # [ 68.008950] Call Trace: # [ 68.017887] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x60 # [ 68.029570] direct_entry.cold+0x2c/0x38 # [ 68.040154] full_proxy_write+0x56/0x80 # [ 68.050682] vfs_write+0xea/0x390 # [ 68.060581] ksys_write+0x68/0xe0 # [ 68.070508] do_syscall_64+0x33/0x40 # [ 68.080706] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 68.092597] RIP: 0033:0x7fdbcb311f33 # [ 68.102790] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 68.130018] RSP: 002b:00007ffc31606f38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 68.144673] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fdbcb311f33 # [ 68.158868] RDX: 0000000000000017 RSI: 00007fdbcb202000 RDI: 0000000000000001 # [ 68.173049] RBP: 00007fdbcb202000 R08: 00007fdbcb201010 R09: 0000000000000000 # [ 68.187256] R10: 00007fdbcb40c1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 68.201434] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 68.215647] irq event stamp: 0 # [ 68.225260] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 68.238493] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 68.253836] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 68.269213] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 68.282415] ---[ end trace 0e9ee7a379cc4f71 ]--- # [ 68.293809] lkdtm: Saturation detected: still saturated # REFCOUNT_ADD_SATURATED: saw 'Saturation detected: still saturated': ok ok 54 selftests: lkdtm: REFCOUNT_ADD_SATURATED.sh # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh # [ 68.384578] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 68.394312] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 68.401829] ------------[ cut here ]------------ # [ 68.407026] refcount_t: saturated; leaking memory. # [ 68.412413] WARNING: CPU: 3 PID: 2484 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 # [ 68.421761] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 68.454399] CPU: 3 PID: 2484 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 68.463082] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 68.469891] RIP: 0010:refcount_warn_saturate+0x87/0xf0 # [ 68.475634] Code: 05 18 1d 76 01 01 e8 be fb 92 00 0f 0b c3 80 3d 0b 1d 76 01 00 75 b4 48 c7 c7 60 b9 85 9b c6 05 fb 1c 76 01 01 e8 9f fb 92 00 <0f> 0b c3 80 3d e9 1c 76 01 00 75 95 48 c7 c7 b8 b9 85 9b c6 05 d9 # [ 68.496626] RSP: 0018:ffffc080c2ed7e38 EFLAGS: 00010282 # [ 68.502465] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 68.510439] RDX: ffffa2ae7adac660 RSI: ffffa2ae7ad9bf70 RDI: ffffa2ae7ad9bf70 # [ 68.518417] RBP: ffffffff9b8bfbc0 R08: 0000000000000000 R09: 0000000000000000 # [ 68.526392] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 68.534371] R13: ffffc080c2ed7f10 R14: ffffc080c2ed7f10 R15: ffffa2ae05cdd000 # [ 68.542361] FS: 00007f09b48d9580(0000) GS:ffffa2ae7ad80000(0000) knlGS:0000000000000000 # [ 68.551436] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 68.557855] CR2: 00007f09b46f2000 CR3: 000000010342e004 CR4: 00000000003706e0 # [ 68.565832] Call Trace: # [ 68.568564] __refcount_add_not_zero.constprop.0+0x2a/0x31 # [ 68.574727] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x72 # [ 68.587266] direct_entry.cold+0x2c/0x38 # [ 68.597861] full_proxy_write+0x56/0x80 # [ 68.608360] vfs_write+0xea/0x390 # [ 68.612062] ksys_write+0x68/0xe0 # [ 68.621980] do_syscall_64+0x33/0x40 # [ 68.625974] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 68.631616] RIP: 0033:0x7f09b4801f33 # [ 68.635606] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 68.656597] RSP: 002b:00007ffeee1f8238 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 68.665061] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f09b4801f33 # [ 68.673045] RDX: 0000000000000020 RSI: 00007f09b46f2000 RDI: 0000000000000001 # [ 68.681019] RBP: 00007f09b46f2000 R08: 00007f09b46f1010 R09: 0000000000000000 # [ 68.688991] R10: 00007f09b48fc1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 68.696964] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 68.704938] irq event stamp: 0 # [ 68.708359] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 68.715378] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 68.724517] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 68.733654] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 68.740646] ---[ end trace 0e9ee7a379cc4f72 ]--- # [ 68.745802] 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 # [ 69.108487] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 69.121125] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 69.134840] ------------[ cut here ]------------ # [ 69.146235] refcount_t: saturated; leaking memory. # [ 69.157816] WARNING: CPU: 0 PID: 2516 at lib/refcount.c:19 refcount_warn_saturate+0x87/0xf0 # [ 69.173356] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 69.206012] CPU: 0 PID: 2516 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 69.220909] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 69.233934] RIP: 0010:refcount_warn_saturate+0x87/0xf0 # [ 69.245896] Code: 05 18 1d 76 01 01 e8 be fb 92 00 0f 0b c3 80 3d 0b 1d 76 01 00 75 b4 48 c7 c7 60 b9 85 9b c6 05 fb 1c 76 01 01 e8 9f fb 92 00 <0f> 0b c3 80 3d e9 1c 76 01 00 75 95 48 c7 c7 b8 b9 85 9b c6 05 d9 # [ 69.273062] RSP: 0018:ffffc080c2f4fe38 EFLAGS: 00010282 # [ 69.285164] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 69.299420] RDX: ffffa2ae7ac2c660 RSI: ffffa2ae7ac1bf70 RDI: ffffa2ae7ac1bf70 # [ 69.313576] RBP: ffffffff9b8bfbe0 R08: 0000000000000000 R09: 0000000000000000 # [ 69.327828] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 69.341979] R13: ffffc080c2f4ff10 R14: ffffc080c2f4ff10 R15: ffffa2ae03163000 # [ 69.356181] FS: 00007f53158ed580(0000) GS:ffffa2ae7ac00000(0000) knlGS:0000000000000000 # [ 69.371445] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 69.384074] CR2: 00007f5315706000 CR3: 0000000105450003 CR4: 00000000003706f0 # [ 69.398271] Call Trace: # [ 69.407217] __refcount_add_not_zero.constprop.0+0x2a/0x31 # [ 69.419566] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x72 # [ 69.432097] direct_entry.cold+0x2c/0x38 # [ 69.442720] full_proxy_write+0x56/0x80 # [ 69.453206] vfs_write+0xea/0x390 # [ 69.463145] ksys_write+0x68/0xe0 # [ 69.473048] do_syscall_64+0x33/0x40 # [ 69.483268] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 69.495117] RIP: 0033:0x7f5315815f33 # [ 69.505340] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 69.532526] RSP: 002b:00007fff737d4f18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 69.547183] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f5315815f33 # [ 69.555165] RDX: 0000000000000020 RSI: 00007f5315706000 RDI: 0000000000000001 # [ 69.569367] RBP: 00007f5315706000 R08: 00007f5315705010 R09: 0000000000000000 # [ 69.583555] R10: 00007f53159101c0 R11: 0000000000000246 R12: 0000000000000001 # [ 69.597757] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 69.611938] irq event stamp: 0 # [ 69.621571] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 69.634779] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 69.650158] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 69.665502] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 69.678730] ---[ end trace 0e9ee7a379cc4f73 ]--- # [ 69.690095] lkdtm: Saturation detected: still saturated # REFCOUNT_ADD_NOT_ZERO_SATURATED: saw 'call trace:': ok ok 56 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh # [ 69.805469] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 69.815472] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 69.822993] ------------[ cut here ]------------ # [ 69.828150] refcount_t: underflow; use-after-free. # [ 69.833512] WARNING: CPU: 3 PID: 2551 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 # [ 69.842852] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 69.869315] CPU: 3 PID: 2551 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 69.884176] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 69.890983] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 # [ 69.896725] Code: 05 fb 1c 76 01 01 e8 9f fb 92 00 0f 0b c3 80 3d e9 1c 76 01 00 75 95 48 c7 c7 b8 b9 85 9b c6 05 d9 1c 76 01 01 e8 80 fb 92 00 <0f> 0b c3 80 3d c8 1c 76 01 00 0f 85 72 ff ff ff 48 c7 c7 10 ba 85 # [ 69.917714] RSP: 0018:ffffc080c2e77e40 EFLAGS: 00010286 # [ 69.923548] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 # [ 69.931522] RDX: ffffa2ae7adac660 RSI: ffffa2ae7ad9bf70 RDI: ffffa2ae7ad9bf70 # [ 69.939496] RBP: ffffffff9b8bfc00 R08: 0000000000000000 R09: 0000000000000000 # [ 69.947470] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 69.955444] R13: ffffc080c2e77f10 R14: ffffc080c2e77f10 R15: ffffa2ae03080000 # [ 69.963417] FS: 00007f4c2dfd3580(0000) GS:ffffa2ae7ad80000(0000) knlGS:0000000000000000 # [ 69.972458] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 69.978876] CR2: 00007f4c2ddec000 CR3: 0000000103cdc006 CR4: 00000000003706e0 # [ 69.986852] Call Trace: # [ 69.995802] __refcount_sub_and_test.constprop.0+0x34/0x40 # [ 70.008151] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x72 # [ 70.020686] direct_entry.cold+0x2c/0x38 # [ 70.025067] full_proxy_write+0x56/0x80 # [ 70.029359] vfs_write+0xea/0x390 # [ 70.033059] ksys_write+0x68/0xe0 # [ 70.036760] do_syscall_64+0x33/0x40 # [ 70.040751] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 70.046394] RIP: 0033:0x7f4c2defbf33 # [ 70.050408] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 70.071409] RSP: 002b:00007ffe7b14cad8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 70.086077] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f4c2defbf33 # [ 70.094049] RDX: 0000000000000020 RSI: 00007f4c2ddec000 RDI: 0000000000000001 # [ 70.102023] RBP: 00007f4c2ddec000 R08: 00007f4c2ddeb010 R09: 0000000000000000 # [ 70.109995] R10: 00007f4c2dff61c0 R11: 0000000000000246 R12: 0000000000000001 # [ 70.117969] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 70.125944] irq event stamp: 0 # [ 70.129360] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 70.136365] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 70.145504] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 70.154644] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 70.161645] ---[ end trace 0e9ee7a379cc4f74 ]--- # [ 70.166801] 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 # [ 70.897557] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 70.908355] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 70.922056] ------------[ cut here ]------------ # [ 70.933445] refcount_t: underflow; use-after-free. # [ 70.945034] WARNING: CPU: 0 PID: 2586 at lib/refcount.c:28 refcount_warn_saturate+0xa6/0xf0 # [ 70.960575] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 70.993244] CPU: 0 PID: 2586 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 71.008099] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 71.014934] RIP: 0010:refcount_warn_saturate+0xa6/0xf0 # [ 71.026895] Code: 05 fb 1c 76 01 01 e8 9f fb 92 00 0f 0b c3 80 3d e9 1c 76 01 00 75 95 48 c7 c7 b8 b9 85 9b c6 05 d9 1c 76 01 01 e8 80 fb 92 00 <0f> 0b c3 80 3d c8 1c 76 01 00 0f 85 72 ff ff ff 48 c7 c7 10 ba 85 # [ 71.054124] RSP: 0018:ffffc080c307fe40 EFLAGS: 00010286 # [ 71.066166] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 # [ 71.074156] RDX: ffffa2ae7ac2c660 RSI: ffffa2ae7ac1bf70 RDI: ffffa2ae7ac1bf70 # [ 71.088350] RBP: ffffffff9b8bfc20 R08: 0000000000000000 R09: 0000000000000000 # [ 71.102515] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 71.110522] R13: ffffc080c307ff10 R14: ffffc080c307ff10 R15: ffffa2ae040b7000 # [ 71.124718] FS: 00007f125112a580(0000) GS:ffffa2ae7ac00000(0000) knlGS:0000000000000000 # [ 71.139965] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 71.152640] CR2: 00007f1250f43000 CR3: 000000010264c002 CR4: 00000000003706f0 # [ 71.166819] Call Trace: # [ 71.169574] __refcount_sub_and_test.constprop.0+0x34/0x40 # [ 71.181924] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x72 # [ 71.194474] direct_entry.cold+0x2c/0x38 # [ 71.205111] full_proxy_write+0x56/0x80 # [ 71.215584] vfs_write+0xea/0x390 # [ 71.225527] ksys_write+0x68/0xe0 # [ 71.235426] do_syscall_64+0x33/0x40 # [ 71.245648] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 71.257499] RIP: 0033:0x7f1251052f33 # [ 71.267730] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 71.294898] RSP: 002b:00007ffed9524a28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 71.309593] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f1251052f33 # [ 71.323763] RDX: 0000000000000020 RSI: 00007f1250f43000 RDI: 0000000000000001 # [ 71.337955] RBP: 00007f1250f43000 R08: 00007f1250f42010 R09: 0000000000000000 # [ 71.352149] R10: 00007f125114d1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 71.366348] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 71.380539] irq event stamp: 0 # [ 71.390176] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 71.403392] hardirqs last disabled at (0): [] copy_process+0x63c/0x1c80 # [ 71.418751] softirqs last enabled at (0): [] copy_process+0x63c/0x1c80 # [ 71.434108] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 71.447340] ---[ end trace 0e9ee7a379cc4f75 ]--- # [ 71.458707] 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 # [ 71.682390] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 71.694972] lkdtm: attempting good copy_to_user of correct size # [ 71.701601] 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 # [ 71.836881] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 71.845743] lkdtm: attempting good copy_from_user of correct size # [ 71.852561] 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 # [ 71.955917] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 71.966163] lkdtm: attempting good copy_to_user inside whitelist # [ 71.979094] 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 # [ 72.075982] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 72.086424] lkdtm: attempting good copy_from_user inside whitelist # [ 72.099552] 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 # [ 72.209681] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 72.219120] lkdtm: good_stack: ffffc080c340fe20-ffffc080c340fe40 # [ 72.232069] lkdtm: bad_stack : ffffc080c340fda8-ffffc080c340fdc8 # [ 72.245061] lkdtm: attempting good copy_to_user of local stack # [ 72.257900] 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 # [ 72.367800] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 72.377086] lkdtm: good_stack: ffffc080c34afe20-ffffc080c34afe40 # [ 72.390015] lkdtm: bad_stack : ffffc080c34afda8-ffffc080c34afdc8 # [ 72.402975] lkdtm: attempting good copy_from_user of local stack # [ 72.415884] 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 # [ 72.530258] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 72.541419] lkdtm: good_stack: ffffc080c355fe20-ffffc080c355fe40 # [ 72.548139] lkdtm: bad_stack : ffffc080c355fff8-ffffc080c3560018 # [ 72.554862] lkdtm: attempting good copy_to_user of local stack # [ 72.567605] lkdtm: attempting bad copy_to_user of distant stack # [ 72.574232] 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 # [ 72.711057] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 72.723039] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff9b4d9f10 # [ 72.737928] lkdtm: attempting bad copy_to_user from kernel text: ffffffff9a2d1460 # [ 72.746298] 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 # [ 72.858008] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 72.870143] lkdtm: checking unused part of the thread stack (15928 bytes)... # [ 72.878050] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) # [ 72.892026] lkdtm: FAIL: the thread stack is NOT properly erased # [ 72.898738] CPU: 1 PID: 2951 Comm: cat Tainted: G D W 5.10.129-cip12 #1 # [ 72.913600] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 72.920406] Call Trace: # [ 72.923137] dump_stack+0x77/0x97 # [ 72.933050] lkdtm_STACKLEAK_ERASING+0x116/0x140 # [ 72.938207] direct_entry.cold+0x2c/0x38 # [ 72.948800] full_proxy_write+0x56/0x80 # [ 72.953085] vfs_write+0xea/0x390 # [ 72.962996] ksys_write+0x68/0xe0 # [ 72.966695] do_syscall_64+0x33/0x40 # [ 72.970686] entry_SYSCALL_64_after_hwframe+0x44/0xa9 # [ 72.976326] RIP: 0033:0x7fa1d5778f33 # [ 72.980314] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 73.001297] RSP: 002b:00007ffcea94f838 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 73.009755] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fa1d5778f33 # [ 73.017716] RDX: 0000000000000012 RSI: 00007fa1d5669000 RDI: 0000000000000001 # [ 73.025686] RBP: 00007fa1d5669000 R08: 00007fa1d5668010 R09: 0000000000000000 # [ 73.033648] R10: 00007fa1d58731c0 R11: 0000000000000246 R12: 0000000000000001 # [ 73.041618] 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 # [ 73.135398] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 73.142938] lkdtm: Calling matched prototype ... # [ 73.154318] lkdtm: Calling mismatched prototype ... # [ 73.165999] 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 / #