[Enter `^Ec?' for help] coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 bootblock starting... CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz CPU: ID 806e9, Kabylake H0, ucode: 00000097 CPU: AES supported, TXT NOT supported, VT supported MCH: device id 590c (rev 02) is Kabylake-Y PCH: device id 9d4b (rev 21) is Kabylake-Y iHDCP 2.2 Premium IGD: device id 591c (rev 02) is Amberlake ULX GT2 VBOOT: Loading verstage. CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/verstage' CBFS: Found @ offset 1a0a80 size f47c coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 verstage starting... Probing TPM: .Timeout wait for TPM IRQ! . done! TPM ready after 0 ms Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_A:0.5.6/cr50_v1.9308_87_mp.510-d2da4373 Initialized TPM device CR50 revision 0 tlcl_send_startup: Startup return code is 0 TPM: setup succeeded src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x1007 return code 0 Chrome EC: UHEPI supported Phase 1 FMAP: Found \"FLASH\" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area GBB found @ c11000 (978944 bytes) VB2:vb2_check_recovery() Recovery reason from previous boot: 0x0 / 0x0 Phase 2 Phase 3 FMAP: area GBB found @ c11000 (978944 bytes) VB2:vb2_report_dev_firmware() This is developer signed firmware FMAP: area VBLOCK_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 23870 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fspm.bin' CBFS: Found @ offset 103fc0 size 63000 Chrome EC: UHEPI supported FMAP: Found \"FLASH\" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area RECOVERY_MRC_CACHE found @ 9d0000 (65536 bytes) Probing TPM: done! Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_A:0.5.6/cr50_v1.9308_87_mp.510-d2da4373 Initialized TPM device CR50 revision 0 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 MRC: Hash comparison successful. Using data from RECOVERY_MRC_CACHE MRC cache found, size 1868 bootmode is set to :2 SPD index 1 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'spd.bin' CBFS: Found @ offset 1a0240 size 800 SPD: module type is LPDDR3 SPD: module part is K4E8E324EB-EGCF SPD: banks 8, ranks 1, rows 15, columns 10, density 8192 Mb SPD: device width 32 bits, bus width 64 bits SPD: module size is 2048 MB (per channel) CBMEM: IMD: root @ 7afff000 254 entries. IMD: root @ 7affec00 62 entries. External stage cache: IMD: root @ 7b3ff000 254 entries. IMD: root @ 7b3fec00 62 entries. creating vboot_handoff structure Chrome EC: clear events_b mask to 0x0000000021004000 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 tlcl_write: response is 0 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 MRC: TPM MRC hash updated successfully. 2 DIMMs found top_of_ram = 0x7b000000 MTRR Range: Start=7a000000 End=7b000000 (Size 1000000) MTRR Range: Start=7b000000 End=7b800000 (Size 800000) MTRR Range: Start=ff000000 End=0 (Size 1000000) CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/postcar' CBFS: Found @ offset 197000 size 3f04 Decompressing stage fallback/postcar @ 0x7abd0fc0 (32720 bytes) Loading module at 7abd1000 with entry 7abd1000. filesize: 0x3cd0 memsize: 0x7f90 Processing 118 relocs. Offset value of 0x78bd1000 coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 postcar starting... CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/ramstage' CBFS: Found @ offset e8d80 size 1a462 Decompressing stage fallback/ramstage @ 0x7ab05fc0 (826808 bytes) Loading module at 7ab06000 with entry 7ab06000. filesize: 0x38d90 memsize: 0xc9d78 Processing 3657 relocs. Offset value of 0x79d06000 coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 ramstage starting... FMAP: Found \"FLASH\" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area RO_VPD found @ c00000 (16384 bytes) WARNING: RO_VPD is uninitialized or empty. FMAP: area RW_VPD found @ 9f8000 (8192 bytes) WARNING: RW_VPD is uninitialized or empty. Normal boot. BS: BS_PRE_DEVICE times (us): entry 0 run 30 exit 0 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'cpu_microcode_blob.bin' CBFS: Found @ offset 11100 size d7c00 microcode: sig=0x806e9 pf=0x10 revision=0x97 Skip microcode update CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fsps.bin' CBFS: Found @ offset 167fc0 size 2f000 Detected 2 core, 4 thread CPU. Setting up SMI for CPU IED base = 0x7b400000 IED size = 0x00400000 Will perform SMM setup. CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz. Loading module at 00030000 with entry 00030000. filesize: 0x170 memsize: 0x170 Processing 16 relocs. Offset value of 0x00030000 Attempting to start 3 APs Waiting for 10ms after sending INIT. Waiting for 1st SIPI to complete...done. AP: slot 2 apic_id 2. AP: slot 3 apic_id 3. Waiting for 2nd SIPI to complete...done. AP: slot 1 apic_id 1. Loading module at 00038000 with entry 00038000. filesize: 0x1a8 memsize: 0x1a8 Processing 13 relocs. Offset value of 0x00038000 SMM Module: stub loaded at 00038000. Will call 7ab21603(00000000) Installing SMM handler to 0x7b000000 Loading module at 7b010000 with entry 7b010a19. filesize: 0x3b08 memsize: 0x8bc0 Processing 243 relocs. Offset value of 0x7b010000 Loading module at 7b008000 with entry 7b008000. filesize: 0x1a8 memsize: 0x1a8 Processing 13 relocs. Offset value of 0x7b008000 SMM Module: placing jmp sequence at 7b007c00 rel16 0x03fd SMM Module: placing jmp sequence at 7b007800 rel16 0x07fd SMM Module: placing jmp sequence at 7b007400 rel16 0x0bfd SMM Module: stub loaded at 7b008000. Will call 7b010a19(00000000) Clearing SMI status registers SMI_STS: PM1 PM1_STS: PWRBTN TCO_STS: BOOT SECOND_TO New SMBASE 0x7b000000 In relocation handler: CPU 0 New SMBASE=0x7b000000 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afffc00 In relocation handler: CPU 1 New SMBASE=0x7afffc00 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afff400 In relocation handler: CPU 3 New SMBASE=0x7afff400 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afff800 In relocation handler: CPU 2 New SMBASE=0x7afff800 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. Initializing CPU #0 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC... apic_id: 0x00 done. Turbo is available but hidden Turbo has been enabled SGX : param.enable = 0 Skip microcode update CPU #0 initialized Initializing CPU #1 Initializing CPU #2 Initializing CPU #3 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC...CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 apic_id: 0x02 done. Setting up local APIC...Setting up local APIC... apic_id: 0x03 done. Skip microcode update Skip microcode update CPU #2 initialized CPU #3 initialized apic_id: 0x01 done. Skip microcode update CPU #1 initialized bsp_do_flight_plan done after 229 msecs. CPU: frequency set to 3400 MHz Enabling SMIs. Locking SMM. VMX : param.enable = 1 VMX status: enabled, unlocked SGX: pre-conditions not met VMX status: enabled, unlocked SGX: pre-conditions not met VMX status: enabled, unlocked VMX status: enabled, unlocked SGX: pre-conditions not met SGX: pre-conditions not met CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'vbt.bin' CBFS: Found @ offset 103a00 size 48e Found a VBT of 4608 bytes after decompression psys_pmax = 360 FMAP: area GBB found @ c11000 (978944 bytes) ITSS IRQ Polarities Before: IPC0: 0x00ff4000 IPC1: 0x00000007 IPC2: 0x00000000 IPC3: 0x00000000 ITSS IRQ Polarities After: IPC0: 0x00ff4000 IPC1: 0x00000007 IPC2: 0x00000000 IPC3: 0x00000000 Override DT after FSP-S, PCH is KBL/SKL PCH-LP SKU BS: BS_DEV_INIT_CHIPS times (us): entry 376268 run 170310 exit 0 Enumerating buses... Show all devs... Before device enumeration. Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 DOMAIN: 0000: enabled 1 APIC: 00: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 PCI: 00:15.1: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PCI: 00:1f.1: enabled 1 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 USB0 port 0: enabled 1 I2C: 00:5c: enabled 1 I2C: 00:15: enabled 1 I2C: 00:39: enabled 1 I2C: 00:3a: enabled 1 I2C: 00:1a: enabled 1 PCI: 00:00.0: enabled 1 SPI: 00: enabled 1 PNP: 0c09.0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 APIC: 01: enabled 1 APIC: 02: enabled 1 APIC: 03: enabled 1 Compare with tree... Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 APIC: 00: enabled 1 APIC: 01: enabled 1 APIC: 02: enabled 1 APIC: 03: enabled 1 DOMAIN: 0000: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 USB0 port 0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 I2C: 00:5c: enabled 1 PCI: 00:15.1: enabled 1 I2C: 00:15: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 I2C: 00:39: enabled 1 I2C: 00:3a: enabled 1 I2C: 00:1a: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 SPI: 00: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PNP: 0c09.0: enabled 1 PCI: 00:1f.1: enabled 1 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 Root Device scanning... root_dev_scan_bus for Root Device CPU_CLUSTER: 0 enabled DOMAIN: 0000 enabled DOMAIN: 0000 scanning... PCI: pci_scan_bus for bus 00 PCI: 00:00.0 [8086/0000] ops PCI: 00:00.0 [8086/590c] enabled PCI: 00:02.0 [8086/0000] ops PCI: 00:02.0 [8086/591c] enabled PCI: 00:04.0 [8086/1903] enabled PCI: 00:08.0 [8086/1911] enabled PCI: 00:14.0 [8086/0000] bus ops PCI: 00:14.0 [8086/9d2f] enabled PCI: 00:14.2 [8086/9d31] enabled PCI: 00:15.0 [8086/0000] bus ops PCI: 00:15.0 [8086/9d60] enabled PCI: 00:15.1 [8086/0000] bus ops PCI: 00:15.1 [8086/9d61] enabled PCI: 00:16.0 [8086/0000] ops PCI: 00:16.0 [8086/9d3a] enabled PCI: 00:19.0 [8086/0000] ops PCI: 00:19.0 [8086/9d66] enabled PCI: 00:19.1 [8086/0000] bus ops PCI: 00:19.1 [8086/9d65] enabled PCI: 00:1c.0 [8086/0000] bus ops PCI: 00:1c.0 [8086/9d10] enabled PCI: 00:1e.0 [8086/0000] ops PCI: 00:1e.0 [8086/9d27] enabled PCI: 00:1e.2 [8086/0000] bus ops PCI: 00:1e.2 [8086/9d29] enabled PCI: 00:1e.4 [8086/9d2b] enabled PCI: 00:1e.6 [8086/0000] ops PCI: 00:1e.6 [8086/9d2d] enabled PCI: 00:1f.0 [8086/0000] bus ops PCI: 00:1f.0 [8086/9d4b] enabled PCI: Static device PCI: 00:1f.1 not found, disabling it. PCI: 00:1f.2 [8086/0000] bus ops PCI: 00:1f.2 [8086/9d21] enabled PCI: 00:1f.3 [8086/0000] bus ops PCI: 00:1f.3 [8086/9d71] enabled PCI: 00:1f.4 [8086/0000] bus ops PCI: 00:1f.4 [8086/9d23] enabled PCI: 00:1f.5 [8086/0000] bus ops PCI: 00:1f.5 [8086/9d24] enabled PCI: 00:14.0 scanning... scan_usb_bus for PCI: 00:14.0 USB0 port 0 enabled USB0 port 0 scanning... scan_usb_bus for USB0 port 0 USB2 port 0 enabled USB2 port 1 enabled USB2 port 2 enabled USB2 port 4 enabled USB2 port 8 enabled USB2 port 0 scanning... scan_usb_bus for USB2 port 0 scan_usb_bus for USB2 port 0 done scan_bus: scanning of bus USB2 port 0 took 8973 usecs USB2 port 1 scanning... scan_usb_bus for USB2 port 1 scan_usb_bus for USB2 port 1 done scan_bus: scanning of bus USB2 port 1 took 8973 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 8975 usecs USB2 port 4 scanning... scan_usb_bus for USB2 port 4 scan_usb_bus for USB2 port 4 done scan_bus: scanning of bus USB2 port 4 took 8965 usecs USB2 port 8 scanning... scan_usb_bus for USB2 port 8 scan_usb_bus for USB2 port 8 done scan_bus: scanning of bus USB2 port 8 took 8973 usecs scan_usb_bus for USB0 port 0 done scan_bus: scanning of bus USB0 port 0 took 90962 usecs scan_usb_bus for PCI: 00:14.0 done scan_bus: scanning of bus PCI: 00:14.0 took 107752 usecs PCI: 00:15.0 scanning... scan_generic_bus for PCI: 00:15.0 bus: PCI: 00:15.0[0]->I2C: 01:5c enabled scan_generic_bus for PCI: 00:15.0 done scan_bus: scanning of bus PCI: 00:15.0 took 14155 usecs PCI: 00:15.1 scanning... scan_generic_bus for PCI: 00:15.1 bus: PCI: 00:15.1[0]->I2C: 02:15 enabled scan_generic_bus for PCI: 00:15.1 done scan_bus: scanning of bus PCI: 00:15.1 took 14156 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 22361 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 53537 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 13862 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 9270 usecs PCI: 00:1f.3 scanning... scan_bus: scanning of bus PCI: 00:1f.3 took 2720 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 10047 usecs PCI: 00:1f.5 scanning... scan_generic_bus for PCI: 00:1f.5 scan_generic_bus for PCI: 00:1f.5 done scan_bus: scanning of bus PCI: 00:1f.5 took 10045 usecs scan_bus: scanning of bus DOMAIN: 0000 took 466091 usecs root_dev_scan_bus for Root Device done scan_bus: scanning of bus Root Device took 486204 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 825996 exit 39248 found VGA at PCI: 00:02.0 Setting up VGA for PCI: 00:02.0 Setting PCI_BRIDGE_CTL_VGA for bridge DOMAIN: 0000 Setting PCI_BRIDGE_CTL_VGA for bridge Root Device Allocating resources... Reading resources... Root Device read_resources bus 0 link: 0 CPU_CLUSTER: 0 read_resources bus 0 link: 0 CPU_CLUSTER: 0 read_resources bus 0 link: 0 done DOMAIN: 0000 read_resources bus 0 link: 0 PCI: 00:14.0 read_resources bus 0 link: 0 USB0 port 0 read_resources bus 0 link: 0 USB0 port 0 read_resources bus 0 link: 0 done PCI: 00:14.0 read_resources bus 0 link: 0 done PCI: 00:15.0 read_resources bus 1 link: 0 PCI: 00:15.0 read_resources bus 1 link: 0 done PCI: 00:15.1 read_resources bus 2 link: 0 PCI: 00:15.1 read_resources bus 2 link: 0 done PCI: 00:19.1 read_resources bus 3 link: 0 PCI: 00:19.1 read_resources bus 3 link: 0 done PCI: 00:1c.0 read_resources bus 1 link: 0 PCI: 00:1c.0 read_resources bus 1 link: 0 done PCI: 00:1e.2 read_resources bus 4 link: 0 PCI: 00:1e.2 read_resources bus 4 link: 0 done PCI: 00:1f.0 read_resources bus 0 link: 0 PCI: 00:1f.0 read_resources bus 0 link: 0 done DOMAIN: 0000 read_resources bus 0 link: 0 done Root Device read_resources bus 0 link: 0 done Done reading resources. Show resources in subtree (Root Device)...After reading. Root Device child on link 0 CPU_CLUSTER: 0 CPU_CLUSTER: 0 child on link 0 APIC: 00 APIC: 00 APIC: 01 APIC: 02 APIC: 03 DOMAIN: 0000 child on link 0 PCI: 00:00.0 DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffff flags 40040100 index 10000000 DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffffffff flags 40040200 index 10000100 PCI: 00:00.0 PCI: 00:00.0 resource base e0000000 size 4000000 align 0 gran 0 limit 0 flags f0000200 index 0 PCI: 00:00.0 resource base fed10000 size 8000 align 0 gran 0 limit 0 flags f0000200 index 1 PCI: 00:00.0 resource base fed18000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 2 PCI: 00:00.0 resource base fed19000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 3 PCI: 00:00.0 resource base fed84000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 4 PCI: 00:00.0 resource base fed80000 size 4000 align 0 gran 0 limit 0 flags f0000200 index 5 PCI: 00:00.0 resource base fed90000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 6 PCI: 00:00.0 resource base fed91000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 7 PCI: 00:00.0 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 8 PCI: 00:00.0 resource base c0000 size 7af40000 align 0 gran 0 limit 0 flags e0004200 index 9 PCI: 00:00.0 resource base 7b000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index b PCI: 00:00.0 resource base 7b800000 size 4800000 align 0 gran 0 limit 0 flags f0000200 index c PCI: 00:00.0 resource base 100000000 size 7f000000 align 0 gran 0 limit 0 flags e0004200 index d PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index e PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index f PCI: 00:02.0 PCI: 00:02.0 resource base 0 size 1000000 align 24 gran 24 limit ffffffffffffffff flags 201 index 10 PCI: 00:02.0 resource base 0 size 10000000 align 28 gran 28 limit ffffffffffffffff flags 1201 index 18 PCI: 00:02.0 resource base 0 size 40 align 6 gran 6 limit ffff flags 100 index 20 PCI: 00:04.0 PCI: 00:04.0 resource base 0 size 8000 align 15 gran 15 limit ffffffffffffffff flags 201 index 10 PCI: 00:08.0 PCI: 00:08.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:14.0 child on link 0 USB0 port 0 PCI: 00:14.0 resource base 0 size 10000 align 16 gran 16 limit ffffffffffffffff flags 201 index 10 USB0 port 0 child on link 0 USB2 port 0 USB2 port 0 USB2 port 1 USB2 port 2 USB2 port 4 USB2 port 8 PCI: 00:14.1 PCI: 00:14.2 PCI: 00:14.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:15.0 child on link 0 I2C: 01:5c PCI: 00:15.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 01:5c PCI: 00:15.1 child on link 0 I2C: 02:15 PCI: 00:15.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 02:15 PCI: 00:15.2 PCI: 00:15.3 PCI: 00:16.0 PCI: 00:16.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:16.1 PCI: 00:16.2 PCI: 00:16.3 PCI: 00:16.4 PCI: 00:17.0 PCI: 00:19.0 PCI: 00:19.0 resource base fe034000 size 1000 align 12 gran 12 limit ffffffffffffffff flags c0000200 index 10 PCI: 00:19.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 PCI: 00:19.1 child on link 0 I2C: 03:39 PCI: 00:19.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 03:39 I2C: 03:3a I2C: 03:1a PCI: 00:19.2 PCI: 00:1c.0 child on link 0 PCI: 01:00.0 PCI: 00:1c.0 resource base 0 size 0 align 12 gran 12 limit ffff flags 80102 index 1c PCI: 00:1c.0 resource base 0 size 0 align 20 gran 20 limit ffffffffffffffff flags 81202 index 24 PCI: 00:1c.0 resource base 0 size 0 align 20 gran 20 limit ffffffff flags 80202 index 20 PCI: 01:00.0 PCI: 01:00.0 resource base 0 size 2000 align 13 gran 13 limit ffffffffffffffff flags 201 index 10 PCI: 00:1c.1 PCI: 00:1c.2 PCI: 00:1c.3 PCI: 00:1c.4 PCI: 00:1c.5 PCI: 00:1c.6 PCI: 00:1c.7 PCI: 00:1d.0 PCI: 00:1d.1 PCI: 00:1d.2 PCI: 00:1d.3 PCI: 00:1e.0 PCI: 00:1e.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1e.1 PCI: 00:1e.2 child on link 0 SPI: 00 PCI: 00:1e.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 SPI: 00 PCI: 00:1e.3 PCI: 00:1e.4 PCI: 00:1e.4 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1e.5 PCI: 00:1e.6 PCI: 00:1e.6 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.0 child on link 0 PNP: 0c09.0 PCI: 00:1f.0 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0000100 index 0 PNP: 0c09.0 PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0 PCI: 00:1f.1 PCI: 00:1f.2 PCI: 00:1f.2 resource base 0 size 4000 align 14 gran 14 limit ffffffff flags 200 index 10 PCI: 00:1f.2 resource base fe000000 size 10000 align 0 gran 0 limit 0 flags d0000200 index 48 PCI: 00:1f.2 resource base 1800 size 100 align 0 gran 0 limit 0 flags c0000100 index 40 PCI: 00:1f.3 PCI: 00:1f.3 resource base 0 size 4000 align 14 gran 14 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.3 resource base 0 size 10000 align 16 gran 16 limit ffffffffffffffff flags 201 index 20 PCI: 00:1f.4 PCI: 00:1f.4 resource base efa0 size 20 align 0 gran 0 limit efbf flags f0000100 index 20 PCI: 00:1f.4 resource base 0 size 100 align 12 gran 8 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.5 PCI: 00:1f.5 resource base 0 size 1000 align 12 gran 12 limit ffffffff flags 200 index 10 PCI: 00:1f.6 DOMAIN: 0000 io: base: 0 size: 0 align: 0 gran: 0 limit: ffff PCI: 00:1c.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff PCI: 00:1c.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff done PCI: 00:02.0 20 * [0x0 - 0x3f] io DOMAIN: 0000 io: base: 40 size: 40 align: 6 gran: 0 limit: ffff done DOMAIN: 0000 mem: base: 0 size: 0 align: 0 gran: 0 limit: ffffffff PCI: 00:1c.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff PCI: 00:1c.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff done PCI: 00:1c.0 mem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffff PCI: 01:00.0 10 * [0x0 - 0x1fff] mem PCI: 00:1c.0 mem: base: 2000 size: 100000 align: 20 gran: 20 limit: ffffffff done PCI: 00:02.0 18 * [0x0 - 0xfffffff] prefmem PCI: 00:02.0 10 * [0x10000000 - 0x10ffffff] mem PCI: 00:1c.0 20 * [0x11000000 - 0x110fffff] mem PCI: 00:14.0 10 * [0x11100000 - 0x1110ffff] mem PCI: 00:1f.3 20 * [0x11110000 - 0x1111ffff] mem PCI: 00:04.0 10 * [0x11120000 - 0x11127fff] mem PCI: 00:1f.2 10 * [0x11128000 - 0x1112bfff] mem PCI: 00:1f.3 10 * [0x1112c000 - 0x1112ffff] mem PCI: 00:08.0 10 * [0x11130000 - 0x11130fff] mem PCI: 00:14.2 10 * [0x11131000 - 0x11131fff] mem PCI: 00:15.0 10 * [0x11132000 - 0x11132fff] mem PCI: 00:15.1 10 * [0x11133000 - 0x11133fff] mem PCI: 00:16.0 10 * [0x11134000 - 0x11134fff] mem PCI: 00:19.0 18 * [0x11135000 - 0x11135fff] mem PCI: 00:19.1 10 * [0x11136000 - 0x11136fff] mem PCI: 00:1e.0 10 * [0x11137000 - 0x11137fff] mem PCI: 00:1e.2 10 * [0x11138000 - 0x11138fff] mem PCI: 00:1e.4 10 * [0x11139000 - 0x11139fff] mem PCI: 00:1e.6 10 * [0x1113a000 - 0x1113afff] mem PCI: 00:1f.5 10 * [0x1113b000 - 0x1113bfff] mem PCI: 00:1f.4 10 * [0x1113c000 - 0x1113c0ff] mem DOMAIN: 0000 mem: base: 1113c100 size: 1113c100 align: 28 gran: 0 limit: ffffffff done avoid_fixed_resources: DOMAIN: 0000 avoid_fixed_resources:@DOMAIN: 0000 10000000 limit 0000ffff avoid_fixed_resources:@DOMAIN: 0000 10000100 limit ffffffff constrain_resources: PCI: 00:00.0 00 base e0000000 limit e3ffffff mem (fixed) constrain_resources: PCI: 00:00.0 08 base 00000000 limit 0009ffff mem (fixed) constrain_resources: PCI: 00:00.0 09 base 000c0000 limit 7affffff mem (fixed) constrain_resources: PCI: 00:00.0 0b base 7b000000 limit 7b7fffff mem (fixed) constrain_resources: PCI: 00:00.0 0c base 7b800000 limit 7fffffff mem (fixed) constrain_resources: PCI: 00:1f.0 00 base 00000000 limit 00000fff io (fixed) constrain_resources: PCI: 00:1f.2 40 base 00001800 limit 000018ff io (fixed) constrain_resources: PCI: 00:1f.4 20 base 0000efa0 limit 0000efbf io (fixed) avoid_fixed_resources:@DOMAIN: 0000 10000000 base 00001900 limit 0000ef9f avoid_fixed_resources:@DOMAIN: 0000 10000100 base c0000000 limit dfffffff Setting resources... DOMAIN: 0000 io: base:1900 size:40 align:6 gran:0 limit:ef9f PCI: 00:02.0 20 * [0x1c00 - 0x1c3f] io DOMAIN: 0000 io: next_base: 1c40 size: 40 align: 6 gran: 0 done PCI: 00:1c.0 io: base:ef9f size:0 align:12 gran:12 limit:ef9f PCI: 00:1c.0 io: next_base: ef9f size: 0 align: 12 gran: 12 done DOMAIN: 0000 mem: base:c0000000 size:1113c100 align:28 gran:0 limit:dfffffff PCI: 00:02.0 18 * [0xc0000000 - 0xcfffffff] prefmem PCI: 00:02.0 10 * [0xd0000000 - 0xd0ffffff] mem PCI: 00:1c.0 20 * [0xd1000000 - 0xd10fffff] mem PCI: 00:14.0 10 * [0xd1100000 - 0xd110ffff] mem PCI: 00:1f.3 20 * [0xd1110000 - 0xd111ffff] mem PCI: 00:04.0 10 * [0xd1120000 - 0xd1127fff] mem PCI: 00:1f.2 10 * [0xd1128000 - 0xd112bfff] mem PCI: 00:1f.3 10 * [0xd112c000 - 0xd112ffff] mem PCI: 00:08.0 10 * [0xd1130000 - 0xd1130fff] mem PCI: 00:14.2 10 * [0xd1131000 - 0xd1131fff] mem PCI: 00:15.0 10 * [0xd1132000 - 0xd1132fff] mem PCI: 00:15.1 10 * [0xd1133000 - 0xd1133fff] mem PCI: 00:16.0 10 * [0xd1134000 - 0xd1134fff] mem PCI: 00:19.0 18 * [0xd1135000 - 0xd1135fff] mem PCI: 00:19.1 10 * [0xd1136000 - 0xd1136fff] mem PCI: 00:1e.0 10 * [0xd1137000 - 0xd1137fff] mem PCI: 00:1e.2 10 * [0xd1138000 - 0xd1138fff] mem PCI: 00:1e.4 10 * [0xd1139000 - 0xd1139fff] mem PCI: 00:1e.6 10 * [0xd113a000 - 0xd113afff] mem PCI: 00:1f.5 10 * [0xd113b000 - 0xd113bfff] mem PCI: 00:1f.4 10 * [0xd113c000 - 0xd113c0ff] mem DOMAIN: 0000 mem: next_base: d113c100 size: 1113c100 align: 28 gran: 0 done PCI: 00:1c.0 prefmem: base:dfffffff size:0 align:20 gran:20 limit:dfffffff PCI: 00:1c.0 prefmem: next_base: dfffffff size: 0 align: 20 gran: 20 done PCI: 00:1c.0 mem: base:d1000000 size:100000 align:20 gran:20 limit:d10fffff PCI: 01:00.0 10 * [0xd1000000 - 0xd1001fff] mem PCI: 00:1c.0 mem: next_base: d1002000 size: 100000 align: 20 gran: 20 done Root Device assign_resources, bus 0 link: 0 DOMAIN: 0000 assign_resources, bus 0 link: 0 PCI: 00:02.0 10 <- [0x00d0000000 - 0x00d0ffffff] size 0x01000000 gran 0x18 mem64 PCI: 00:02.0 18 <- [0x00c0000000 - 0x00cfffffff] size 0x10000000 gran 0x1c prefmem64 PCI: 00:02.0 20 <- [0x0000001c00 - 0x0000001c3f] size 0x00000040 gran 0x06 io PCI: 00:04.0 10 <- [0x00d1120000 - 0x00d1127fff] size 0x00008000 gran 0x0f mem64 PCI: 00:08.0 10 <- [0x00d1130000 - 0x00d1130fff] size 0x00001000 gran 0x0c mem64 PCI: 00:14.0 10 <- [0x00d1100000 - 0x00d110ffff] size 0x00010000 gran 0x10 mem64 PCI: 00:14.0 assign_resources, bus 0 link: 0 PCI: 00:14.0 assign_resources, bus 0 link: 0 PCI: 00:14.2 10 <- [0x00d1131000 - 0x00d1131fff] size 0x00001000 gran 0x0c mem64 PCI: 00:15.0 10 <- [0x00d1132000 - 0x00d1132fff] size 0x00001000 gran 0x0c mem64 PCI: 00:15.0 assign_resources, bus 1 link: 0 PCI: 00:15.0 assign_resources, bus 1 link: 0 PCI: 00:15.1 10 <- [0x00d1133000 - 0x00d1133fff] size 0x00001000 gran 0x0c mem64 PCI: 00:15.1 assign_resources, bus 2 link: 0 PCI: 00:15.1 assign_resources, bus 2 link: 0 PCI: 00:16.0 10 <- [0x00d1134000 - 0x00d1134fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.0 18 <- [0x00d1135000 - 0x00d1135fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.1 10 <- [0x00d1136000 - 0x00d1136fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.1 assign_resources, bus 3 link: 0 PCI: 00:19.1 assign_resources, bus 3 link: 0 PCI: 00:1c.0 1c <- [0x000000ef9f - 0x000000ef9e] size 0x00000000 gran 0x0c bus 01 io PCI: 00:1c.0 24 <- [0x00dfffffff - 0x00dffffffe] size 0x00000000 gran 0x14 bus 01 prefmem PCI: 00:1c.0 20 <- [0x00d1000000 - 0x00d10fffff] size 0x00100000 gran 0x14 bus 01 mem PCI: 00:1c.0 assign_resources, bus 1 link: 0 PCI: 01:00.0 10 <- [0x00d1000000 - 0x00d1001fff] size 0x00002000 gran 0x0d mem64 PCI: 00:1c.0 assign_resources, bus 1 link: 0 PCI: 00:1e.0 10 <- [0x00d1137000 - 0x00d1137fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1e.2 10 <- [0x00d1138000 - 0x00d1138fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1e.2 assign_resources, bus 4 link: 0 PCI: 00:1e.2 assign_resources, bus 4 link: 0 PCI: 00:1e.4 10 <- [0x00d1139000 - 0x00d1139fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1e.6 10 <- [0x00d113a000 - 0x00d113afff] size 0x00001000 gran 0x0c mem64 PCI: 00:1f.0 assign_resources, bus 0 link: 0 PCI: 00:1f.0 assign_resources, bus 0 link: 0 LPC: Trying to open IO window from 800 size 1ff PCI: 00:1f.2 10 <- [0x00d1128000 - 0x00d112bfff] size 0x00004000 gran 0x0e mem PCI: 00:1f.3 10 <- [0x00d112c000 - 0x00d112ffff] size 0x00004000 gran 0x0e mem64 PCI: 00:1f.3 20 <- [0x00d1110000 - 0x00d111ffff] size 0x00010000 gran 0x10 mem64 PCI: 00:1f.4 10 <- [0x00d113c000 - 0x00d113c0ff] size 0x00000100 gran 0x08 mem64 PCI: 00:1f.5 10 <- [0x00d113b000 - 0x00d113bfff] size 0x00001000 gran 0x0c mem DOMAIN: 0000 assign_resources, bus 0 link: 0 Root Device assign_resources, bus 0 link: 0 Done setting resources. Show resources in subtree (Root Device)...After assigning values. Root Device child on link 0 CPU_CLUSTER: 0 CPU_CLUSTER: 0 child on link 0 APIC: 00 APIC: 00 APIC: 01 APIC: 02 APIC: 03 DOMAIN: 0000 child on link 0 PCI: 00:00.0 DOMAIN: 0000 resource base 1900 size 40 align 6 gran 0 limit ef9f flags 40040100 index 10000000 DOMAIN: 0000 resource base c0000000 size 1113c100 align 28 gran 0 limit dfffffff flags 40040200 index 10000100 PCI: 00:00.0 PCI: 00:00.0 resource base e0000000 size 4000000 align 0 gran 0 limit 0 flags f0000200 index 0 PCI: 00:00.0 resource base fed10000 size 8000 align 0 gran 0 limit 0 flags f0000200 index 1 PCI: 00:00.0 resource base fed18000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 2 PCI: 00:00.0 resource base fed19000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 3 PCI: 00:00.0 resource base fed84000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 4 PCI: 00:00.0 resource base fed80000 size 4000 align 0 gran 0 limit 0 flags f0000200 index 5 PCI: 00:00.0 resource base fed90000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 6 PCI: 00:00.0 resource base fed91000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 7 PCI: 00:00.0 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 8 PCI: 00:00.0 resource base c0000 size 7af40000 align 0 gran 0 limit 0 flags e0004200 index 9 PCI: 00:00.0 resource base 7b000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index b PCI: 00:00.0 resource base 7b800000 size 4800000 align 0 gran 0 limit 0 flags f0000200 index c PCI: 00:00.0 resource base 100000000 size 7f000000 align 0 gran 0 limit 0 flags e0004200 index d PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index e PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index f PCI: 00:02.0 PCI: 00:02.0 resource base d0000000 size 1000000 align 24 gran 24 limit d0ffffff flags 60000201 index 10 PCI: 00:02.0 resource base c0000000 size 10000000 align 28 gran 28 limit cfffffff flags 60001201 index 18 PCI: 00:02.0 resource base 1c00 size 40 align 6 gran 6 limit 1c3f flags 60000100 index 20 PCI: 00:04.0 PCI: 00:04.0 resource base d1120000 size 8000 align 15 gran 15 limit d1127fff flags 60000201 index 10 PCI: 00:08.0 PCI: 00:08.0 resource base d1130000 size 1000 align 12 gran 12 limit d1130fff flags 60000201 index 10 PCI: 00:14.0 child on link 0 USB0 port 0 PCI: 00:14.0 resource base d1100000 size 10000 align 16 gran 16 limit d110ffff flags 60000201 index 10 USB0 port 0 child on link 0 USB2 port 0 USB2 port 0 USB2 port 1 USB2 port 2 USB2 port 4 USB2 port 8 PCI: 00:14.1 PCI: 00:14.2 PCI: 00:14.2 resource base d1131000 size 1000 align 12 gran 12 limit d1131fff flags 60000201 index 10 PCI: 00:15.0 child on link 0 I2C: 01:5c PCI: 00:15.0 resource base d1132000 size 1000 align 12 gran 12 limit d1132fff flags 60000201 index 10 I2C: 01:5c PCI: 00:15.1 child on link 0 I2C: 02:15 PCI: 00:15.1 resource base d1133000 size 1000 align 12 gran 12 limit d1133fff flags 60000201 index 10 I2C: 02:15 PCI: 00:15.2 PCI: 00:15.3 PCI: 00:16.0 PCI: 00:16.0 resource base d1134000 size 1000 align 12 gran 12 limit d1134fff flags 60000201 index 10 PCI: 00:16.1 PCI: 00:16.2 PCI: 00:16.3 PCI: 00:16.4 PCI: 00:17.0 PCI: 00:19.0 PCI: 00:19.0 resource base fe034000 size 1000 align 12 gran 12 limit ffffffffffffffff flags c0000200 index 10 PCI: 00:19.0 resource base d1135000 size 1000 align 12 gran 12 limit d1135fff flags 60000201 index 18 PCI: 00:19.1 child on link 0 I2C: 03:39 PCI: 00:19.1 resource base d1136000 size 1000 align 12 gran 12 limit d1136fff flags 60000201 index 10 I2C: 03:39 I2C: 03:3a I2C: 03:1a PCI: 00:19.2 PCI: 00:1c.0 child on link 0 PCI: 01:00.0 PCI: 00:1c.0 resource base ef9f size 0 align 12 gran 12 limit ef9f flags 60080102 index 1c PCI: 00:1c.0 resource base dfffffff size 0 align 20 gran 20 limit dfffffff flags 60081202 index 24 PCI: 00:1c.0 resource base d1000000 size 100000 align 20 gran 20 limit d10fffff flags 60080202 index 20 PCI: 01:00.0 PCI: 01:00.0 resource base d1000000 size 2000 align 13 gran 13 limit d1001fff flags 60000201 index 10 PCI: 00:1c.1 PCI: 00:1c.2 PCI: 00:1c.3 PCI: 00:1c.4 PCI: 00:1c.5 PCI: 00:1c.6 PCI: 00:1c.7 PCI: 00:1d.0 PCI: 00:1d.1 PCI: 00:1d.2 PCI: 00:1d.3 PCI: 00:1e.0 PCI: 00:1e.0 resource base d1137000 size 1000 align 12 gran 12 limit d1137fff flags 60000201 index 10 PCI: 00:1e.1 PCI: 00:1e.2 child on link 0 SPI: 00 PCI: 00:1e.2 resource base d1138000 size 1000 align 12 gran 12 limit d1138fff flags 60000201 index 10 SPI: 00 PCI: 00:1e.3 PCI: 00:1e.4 PCI: 00:1e.4 resource base d1139000 size 1000 align 12 gran 12 limit d1139fff flags 60000201 index 10 PCI: 00:1e.5 PCI: 00:1e.6 PCI: 00:1e.6 resource base d113a000 size 1000 align 12 gran 12 limit d113afff flags 60000201 index 10 PCI: 00:1f.0 child on link 0 PNP: 0c09.0 PCI: 00:1f.0 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0000100 index 0 PNP: 0c09.0 PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0 PCI: 00:1f.1 PCI: 00:1f.2 PCI: 00:1f.2 resource base d1128000 size 4000 align 14 gran 14 limit d112bfff flags 60000200 index 10 PCI: 00:1f.2 resource base fe000000 size 10000 align 0 gran 0 limit 0 flags d0000200 index 48 PCI: 00:1f.2 resource base 1800 size 100 align 0 gran 0 limit 0 flags c0000100 index 40 PCI: 00:1f.3 PCI: 00:1f.3 resource base d112c000 size 4000 align 14 gran 14 limit d112ffff flags 60000201 index 10 PCI: 00:1f.3 resource base d1110000 size 10000 align 16 gran 16 limit d111ffff flags 60000201 index 20 PCI: 00:1f.4 PCI: 00:1f.4 resource base efa0 size 20 align 0 gran 0 limit efbf flags f0000100 index 20 PCI: 00:1f.4 resource base d113c000 size 100 align 12 gran 8 limit d113c0ff flags 60000201 index 10 PCI: 00:1f.5 PCI: 00:1f.5 resource base d113b000 size 1000 align 12 gran 12 limit d113bfff flags 60000200 index 10 PCI: 00:1f.6 Done allocating resources. BS: BS_DEV_RESOURCES times (us): entry 0 run 2113882 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 228 run 139300 exit 18935 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 30880 usecs CPU_CLUSTER: 0 init ... CPU_CLUSTER: 0 init finished in 2442 usecs PCI: 00:00.0 init ... CPU TDP: 5 Watts CPU PL2 = 18 Watts PCI: 00:00.0 init finished in 6981 usecs PCI: 00:02.0 init ... PCI: 00:02.0 init finished in 2250 usecs PCI: 00:04.0 init ... PCI: 00:04.0 init finished in 2239 usecs PCI: 00:08.0 init ... PCI: 00:08.0 init finished in 2250 usecs PCI: 00:14.0 init ... PCI: 00:14.0 init finished in 2247 usecs PCI: 00:14.2 init ... PCI: 00:14.2 init finished in 2249 usecs PCI: 00:15.0 init ... DW I2C bus 0 at 0xd1132000 (400 KHz) PCI: 00:15.0 init finished in 5966 usecs PCI: 00:15.1 init ... DW I2C bus 1 at 0xd1133000 (400 KHz) PCI: 00:15.1 init finished in 5966 usecs PCI: 00:16.0 init ... PCI: 00:16.0 init finished in 2250 usecs PCI: 00:19.1 init ... DW I2C bus 5 at 0xd1136000 (400 KHz) PCI: 00:19.1 init finished in 5964 usecs PCI: 00:1c.0 init ... Initializing PCH PCIe bridge. PCI: 00:1c.0 init finished in 5285 usecs PCI: 00:1e.4 init ... PCI: 00:1e.4 init finished in 2248 usecs PCI: 00:1f.0 init ... IOAPIC: Initializing IOAPIC at 0xfec00000 IOAPIC: Bootstrap Processor Local APIC = 0x00 IOAPIC: ID = 0x02 IOAPIC: Dumping registers reg 0x0000: 0x02000000 reg 0x0001: 0x00770020 reg 0x0002: 0x00000000 PCI: 00:1f.0 init finished in 23461 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 23882 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 2392 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 24415 usecs Devices initialized Show all devs... After init. Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 DOMAIN: 0000: enabled 1 APIC: 00: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 PCI: 00:15.1: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PCI: 00:1f.1: enabled 0 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 USB0 port 0: enabled 1 I2C: 01:5c: enabled 1 I2C: 02:15: enabled 1 I2C: 03:39: enabled 1 I2C: 03:3a: enabled 1 I2C: 03:1a: enabled 1 PCI: 01:00.0: enabled 1 SPI: 00: enabled 1 PNP: 0c09.0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 APIC: 01: enabled 1 APIC: 02: enabled 1 APIC: 03: enabled 1 PCI: 00:04.0: enabled 1 PCI: 00:08.0: enabled 1 FMAP: area RW_ELOG found @ 9f0000 (16384 bytes) ELOG: NV offset 0x9f0000 size 0x4000 ELOG: area is 4096 bytes, full threshold 3842, shrink size 1024 ELOG: Event(17) added with size 13 at 2022-10-11 13:48:06 UTC POST: Unexpected post code in previous boot: 0x34 ELOG: Event(A3) added with size 11 at 2022-10-11 13:48:06 UTC ELOG: Event(92) added with size 9 at 2022-10-11 13:48:06 UTC ELOG: Event(9A) added with size 9 at 2022-10-11 13:48:06 UTC ELOG: Event(AD) added with size 10 at 2022-10-11 13:48:06 UTC ELOG: Event(9F) added with size 14 at 2022-10-11 13:48:06 UTC BS: BS_DEV_INIT times (us): entry 0 run 417095 exit 60065 ELOG: Event(A1) added with size 10 at 2022-10-11 13:48:06 UTC elog_add_boot_reason: Logged recovery mode boot (Dev-switch on), reason: 0x1b ELOG: Event(A0) added with size 9 at 2022-10-11 13:48:06 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 26279 run 3960 exit 5202 BS: BS_OS_RESUME_CHECK times (us): entry 0 run 55 exit 0 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/dsdt.aml' CBFS: Found @ offset 19af40 size 4691 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/slic' CBFS: 'fallback/slic' not found. ACPI: Writing ACPI tables at 7aa9a000. ACPI: * FACS ACPI: * DSDT Ramoops buffer: 0x100000@0x7a999000. SGX: not enabled or not supported. skip gnvs fill ACPI: * FADT SCI is IRQ9 ACPI: added table 1/32, length now 40 ACPI: * SSDT Found 1 CPU(s) with 4 core(s) each. \_SB.PCI0.I2C0.H05C: SISC Touchscreen at I2C: 01:5c \_SB.PCI0.I2C1.D015: ELAN Touchpad at I2C: 02:15 \_SB.PCI0.I2C5.MAXR: Maxim MAX98927 Codec address 039h \_SB.PCI0.I2C5.MAXL: Maxim MAX98927 Codec address 03ah \_SB.PCI0.I2C5.DLG7: Dialog Semiconductor DA7219 Audio Codec address 01ah irq 105 Error: Could not locate 'wifi_sar' in VPD. Error: failed from getting SAR limits! \_SB.PCI0.RP01.WIFI: Intel WiFi PCI: 01:00.0 \_SB.PCI0.SPI0.S001: SPI Device at SPI: 00 \_SB.PCI0.XHCI.RHUB.HS01: USB Type C Port 1 at USB2 port 0 \_SB.PCI0.XHCI.RHUB.HS02: USB Type A Port 1 at USB2 port 1 \_SB.PCI0.XHCI.RHUB.HS03: Bluetooth at USB2 port 2 \_SB.PCI0.XHCI.RHUB.HS05: USB Type C Port 2 at USB2 port 4 \_SB.PCI0.XHCI.RHUB.HS09: Camera at USB2 port 8 ACPI: added table 2/32, length now 44 ACPI: * MCFG ACPI: added table 3/32, length now 48 ACPI: * TPM2 ACPI: added table 4/32, length now 52 ACPI: * MADT SCI is IRQ9 ACPI: added table 5/32, length now 56 current = 7aa9fa60 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dmic-4ch-48khz-16b.bin' CBFS: Found @ offset 167000 size ba8 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dmic-4ch-48khz-32b.bin' CBFS: Found @ offset 19f640 size ba8 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dialog-2ch-48khz-24b.bin' CBFS: Found @ offset 167cc0 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dialog-2ch-48khz-24b.bin' CBFS: Found @ offset 167cc0 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'max98927-render-2ch-48khz-24b.bin' CBFS: Found @ offset 167c00 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'max98927-render-2ch-48khz-16b.bin' CBFS: Found @ offset 103f00 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'max98927-render-2ch-48khz-16b.bin' CBFS: Found @ offset 103f00 size 64 ACPI: * NHLT ACPI: added table 6/32, length now 60 ACPI: * DMAR ACPI: added table 7/32, length now 64 ACPI: * IGD OpRegion GMA: Found VBT in CBFS GMA: Found valid VBT in CBFS current = 7aaa3610 ACPI: added table 8/32, length now 68 ACPI: * HPET ACPI: added table 9/32, length now 72 ACPI: done. ACPI tables: 38592 bytes. smbios_write_tables: 7a998000 Create SMBIOS type 17 PCI: 01:00.0 (Intel WiFi) SMBIOS tables: 662 bytes. Writing table forward entry at 0x00000500 Wrote coreboot table at: 00000500, 0x10 bytes, checksum a532 Writing coreboot table at 0x7aabe000 0. 0000000000000000-0000000000000fff: CONFIGURATION TABLES 1. 0000000000001000-000000000009ffff: RAM 2. 00000000000a0000-00000000000fffff: RESERVED 3. 0000000000100000-000000007a997fff: RAM 4. 000000007a998000-000000007ab05fff: CONFIGURATION TABLES 5. 000000007ab06000-000000007abcffff: RAMSTAGE 6. 000000007abd0000-000000007affffff: CONFIGURATION TABLES 7. 000000007b000000-000000007fffffff: RESERVED 8. 00000000e0000000-00000000e3ffffff: RESERVED 9. 00000000fe000000-00000000fe00ffff: RESERVED 10. 00000000fed10000-00000000fed19fff: RESERVED 11. 00000000fed80000-00000000fed84fff: RESERVED 12. 00000000fed90000-00000000fed91fff: RESERVED 13. 0000000100000000-000000017effffff: RAM Graphics framebuffer located at 0xc0000000 Passing 6 GPIOs to payload: NAME | PORT | POLARITY | VALUE write protect | undefined | high | low recovery | undefined | high | low lid | undefined | high | high power | undefined | high | low oprom | undefined | high | low EC in RW | 0x00000036 | high | low Board ID: 6 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) Wrote coreboot table at: 7aabe000, 0x57c bytes, checksum 7adf coreboot table: 1428 bytes. IMD ROOT 0. 7afff000 00001000 IMD SMALL 1. 7affe000 00001000 FSP MEMORY 2. 7abfe000 00400000 CONSOLE 3. 7abde000 00020000 TIME STAMP 4. 7abdd000 00000910 VBOOT 5. 7abdc000 00000c0c MRC DATA 6. 7abda000 00001878 ROMSTG STCK 7. 7abd9000 00000400 AFTER CAR 8. 7abd0000 00009000 RAMSTAGE 9. 7ab05000 000cb000 REFCODE 10. 7aad6000 0002f000 SMM BACKUP 11. 7aac6000 00010000 COREBOOT 12. 7aabe000 00008000 ACPI 13. 7aa9a000 00024000 ACPI GNVS 14. 7aa99000 00001000 RAMOOPS 15. 7a999000 00100000 SMBIOS 16. 7a998000 00000800 IMD small region: IMD ROOT 0. 7affec00 00000400 FSP RUNTIME 1. 7affebe0 00000004 VBOOT SEL 2. 7affebc0 00000008 EC HOSTEVENT 3. 7affeba0 00000008 POWER STATE 4. 7affeb60 00000040 ROMSTAGE 5. 7affeb40 00000004 MEM INFO 6. 7affe980 000001a9 COREBOOTFWD 7. 7affe940 00000028 MTRR: Physical address space: 0x0000000000000000 - 0x00000000000a0000 size 0x000a0000 type 6 0x00000000000a0000 - 0x00000000000c0000 size 0x00020000 type 0 0x00000000000c0000 - 0x000000007b800000 size 0x7b740000 type 6 0x000000007b800000 - 0x00000000c0000000 size 0x44800000 type 0 0x00000000c0000000 - 0x00000000d0000000 size 0x10000000 type 1 0x00000000d0000000 - 0x0000000100000000 size 0x30000000 type 0 0x0000000100000000 - 0x000000017f000000 size 0x7f000000 type 6 MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 call enable_fixed_mtrr() CPU physical address size: 39 bits MTRR: default type WB/UC MTRR counts: 6/5. MTRR: UC selected as default type. MTRR: 0 base 0x0000000000000000 mask 0x0000007f80000000 type 6 MTRR: 1 base 0x000000007b800000 mask 0x0000007fff800000 type 0 MTRR: 2 base 0x000000007c000000 mask 0x0000007ffc000000 type 0 MTRR: 3 base 0x00000000c0000000 mask 0x0000007ff0000000 type 1 MTRR: 4 base 0x0000000100000000 mask 0x0000007f80000000 type 6 MTRR check Fixed MTRRs : Enabled Variable MTRRs: Enabled MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 BS: BS_WRITE_TABLES times (us): entry 0 run 533780 exit 146379 call enable_fixed_mtrr() CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CPU physical address size: 39 bits CBFS: Locating 'fallback/payload' MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 call enable_fixed_mtrr() MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 CPU physical address size: 39 bits call enable_fixed_mtrr() CBFS: Found @ offset 223040 size 360b4 CPU physical address size: 39 bits 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 608 run 260766 exit 135330 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 7551965/tftp-deploy-_k7uxrvh/kernel/bzImage 7551965/tftp-deploy-_k7uxrvh/kernel/cmdline 7551965/tftp-deploy-_k7uxrvh/ramdisk/ramdisk.cpio.gz tftpboot 192.168.201.1 7551965/tftp-deploy-_k7uxrvh/kernel/bzImoy-_k7uxrvh/kernel/cmdline 7551965/tftp-deploy-_k7uxrvh/ramdisk/ramdisk.cpio.gz Waiting for link R8152: Initializing Version 9 (ocp_data = 6010) R8152: Done initializing Adding net device done. MAC: 00:e0:4c:78:7f:da Sending DHCP discover... done. Waiting for reply... done. Sending DHCP request... done. Waiting for reply... done. My ip is 192.168.201.17 The DHCP server ip is 192.168.201.1 TFTP server IP predefined by user: 192.168.201.1 Bootfile predefined by user: 7551965/tftp-deploy-_k7uxrvh/kernel/bzImage Sending tftp read request... done. Waiting for the transfer... 00000000 ################################################################ 00080000 ################################################################ 00100000 ################################################################ 00180000 ################################################################ 00200000 ################################################################ 00280000 ################################################################ 00300000 ################################################################ 00380000 ################################################################ 00400000 ################################################################ 00480000 ################################################################ 00500000 ################################################################ 00580000 ################################################################ 00600000 ################################################################ 00680000 ################################################################ 00700000 ################################################################ 00780000 ################################################################ 00800000 ################################################################ 00880000 ################################################################ 00900000 ################################################################ 00980000 ################################################################ 00a00000 ################################################################ 00a80000 ################################################################ 00b00000 ################################################################ 00b80000 ################################################################ 00c00000 ################################################################ 00c80000 ################################################################ 00d00000 ############################################## done. The bootfile was 14003840 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: 7551965/tftp-deploy-_k7uxrvh/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/7551965/extract-nfsrootfs-zzf4683a,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: 21208077 Starting kernel ... [ 0.000000] Linux version 5.10.145-cip17 (KernelCI@build-j292640-x86-64-gcc-10-x86-64-defconfig-x86-chromebool72dh) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Tue Oct 11 13:42:04 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/7551965/extract-nfsrootfs-zzf4683a,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 [ 0.000045] last_pfn = 0x17f000 max_arch_pfn = 0x400000000 [ 0.001170] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.006003] last_pfn = 0x7a998 max_arch_pfn = 0x400000000 [ 0.020114] check: Scanning 1 areas for low memory corruption [ 0.020125] Using GB pages for direct mapping [ 0.020742] RAMDISK: [mem 0x377f5000-0x37ffffff] [ 0.020748] ACPI: Early table checksum verification disabled [ 0.020755] ACPI: RSDP 0x00000000000F0000 000024 (v02 CORE ) [ 0.020766] ACPI: XSDT 0x000000007AA9A0E0 00006C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.020780] ACPI: FACP 0x000000007AA9E970 0000F4 (v04 CORE COREBOOT 00000000 CORE 00000000) [ 0.020793] ACPI: DSDT 0x000000007AA9A280 0046E3 (v05 COREv4 COREBOOT 20110725 INTL 20180531) [ 0.020804] ACPI: FACS 0x000000007AA9A240 000040 [ 0.020813] ACPI: FACS 0x000000007AA9A240 000040 [ 0.020822] ACPI: SSDT 0x000000007AA9EA70 000EFA (v02 CORE COREBOOT 0000002A CORE 0000002A) [ 0.020833] ACPI: MCFG 0x000000007AA9F970 00003C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.020843] ACPI: TPM2 0x000000007AA9F9B0 000040 (v04 CORE COREBOOT 00000000 CORE 00000000) [ 0.020853] ACPI: APIC 0x000000007AA9F9F0 00006C (v02 CORE COREBOOT 00000000 CORE 00000000) [ 0.020863] ACPI: NHLT 0x000000007AA9FA60 001B1C (v05 GOOGLE RAMMUS 00000000 CORE 00000000) [ 0.020873] ACPI: DMAR 0x000000007AAA1580 000088 (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.020883] ACPI: DBG2 0x000000007AAA3610 000061 (v00 CORE COREBOOT 00000000 CORE 00000000) [ 0.020893] ACPI: HPET 0x000000007AAA3680 000038 (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.020903] ACPI: Reserving FACP table memory at [mem 0x7aa9e970-0x7aa9ea63] [ 0.020907] ACPI: Reserving DSDT table memory at [mem 0x7aa9a280-0x7aa9e962] [ 0.020911] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] [ 0.020915] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] [ 0.020919] ACPI: Reserving SSDT table memory at [mem 0x7aa9ea70-0x7aa9f969] [ 0.020923] ACPI: Reserving MCFG table memory at [mem 0x7aa9f970-0x7aa9f9ab] [ 0.020927] ACPI: Reserving TPM2 table memory at [mem 0x7aa9f9b0-0x7aa9f9ef] [ 0.020931] ACPI: Reserving APIC table memory at [mem 0x7aa9f9f0-0x7aa9fa5b] [ 0.020935] ACPI: Reserving NHLT table memory at [mem 0x7aa9fa60-0x7aaa157b] [ 0.020939] ACPI: Reserving DMAR table memory at [mem 0x7aaa1580-0x7aaa1607] [ 0.020943] ACPI: Reserving DBG2 table memory at [mem 0x7aaa3610-0x7aaa3670] [ 0.020947] ACPI: Reserving HPET table memory at [mem 0x7aaa3680-0x7aaa36b7] [ 0.021077] No NUMA configuration found [ 0.021082] Faking a node at [mem 0x0000000000000000-0x000000017effffff] [ 0.021090] NODE_DATA(0) allocated [mem 0x17effa000-0x17effdfff] [ 0.021127] Zone ranges: [ 0.021131] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.021137] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.021143] Normal [mem 0x0000000100000000-0x000000017effffff] [ 0.021149] Movable zone start for each node [ 0.021153] Early memory node ranges [ 0.021157] node 0: [mem 0x0000000000001000-0x000000000009ffff] [ 0.021161] node 0: [mem 0x0000000000100000-0x000000007a997fff] [ 0.021166] node 0: [mem 0x0000000100000000-0x000000017effffff] [ 0.021171] Initmem setup node 0 [mem 0x0000000000001000-0x000000017effffff] [ 0.021200] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.021238] On node 0, zone DMA: 96 pages in unavailable ranges [ 0.031266] On node 0, zone Normal: 22120 pages in unavailable ranges [ 0.031331] On node 0, zone Normal: 4096 pages in unavailable ranges [ 0.031354] Reserving Intel graphics memory at [mem 0x7c000000-0x7fffffff] [ 0.031698] ACPI: PM-Timer IO Port: 0x1808 [ 0.031749] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-119 [ 0.031760] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 0.031765] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.031776] Using ACPI (MADT) for SMP configuration information [ 0.031781] ACPI: HPET id: 0x8086a701 base: 0xfed00000 [ 0.031787] TSC deadline timer available [ 0.031791] smpboot: Allowing 4 CPUs, 0 hotplug CPUs [ 0.031815] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.031820] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000fffff] [ 0.031824] PM: hibernation: Registered nosave memory: [mem 0x7a998000-0x7affffff] [ 0.031828] PM: hibernation: Registered nosave memory: [mem 0x7b000000-0x7fffffff] [ 0.031831] PM: hibernation: Registered nosave memory: [mem 0x80000000-0xdfffffff] [ 0.031835] PM: hibernation: Registered nosave memory: [mem 0xe0000000-0xe3ffffff] [ 0.031838] PM: hibernation: Registered nosave memory: [mem 0xe4000000-0xfdffffff] [ 0.031842] PM: hibernation: Registered nosave memory: [mem 0xfe000000-0xfe00ffff] [ 0.031845] PM: hibernation: Registered nosave memory: [mem 0xfe010000-0xfed0ffff] [ 0.031849] PM: hibernation: Registered nosave memory: [mem 0xfed10000-0xfed19fff] [ 0.031852] PM: hibernation: Registered nosave memory: [mem 0xfed1a000-0xfed7ffff] [ 0.031855] PM: hibernation: Registered nosave memory: [mem 0xfed80000-0xfed84fff] [ 0.031859] PM: hibernation: Registered nosave memory: [mem 0xfed85000-0xfed8ffff] [ 0.031862] PM: hibernation: Registered nosave memory: [mem 0xfed90000-0xfed91fff] [ 0.031866] PM: hibernation: Registered nosave memory: [mem 0xfed92000-0xffffffff] [ 0.031877] [mem 0x80000000-0xdfffffff] available for PCI devices [ 0.031884] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns [ 0.042934] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:4 nr_node_ids:1 [ 0.043154] percpu: Embedded 59 pages/cpu s200848 r8192 d32624 u524288 [ 0.043213] Built 1 zonelists, mobility grouping on. Total pages: 1006266 [ 0.043217] Policy zone: Normal [ 0.043230] 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/7551965/extract-nfsrootfs-zzf4683a,tcp,hard ip=dhcp tftpserverip=192.168.201.1 [ 0.043660] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) [ 0.043853] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear) [ 0.043926] mem auto-init: stack:off, heap alloc:off, heap free:off [ 0.062476] Memory: 3888548K/4089052K available (18450K kernel code, 3465K rwdata, 6808K rodata, 2036K init, 13236K bss, 200244K reserved, 0K cma-reserved) [ 0.062614] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 [ 0.062668] Kernel/User page tables isolation: enabled [ 0.062742] ftrace: allocating 53381 entries in 209 pages [ 0.108967] ftrace: allocated 209 pages with 4 groups [ 0.109224] Running RCU self tests [ 0.109237] rcu: Hierarchical RCU implementation. [ 0.109241] rcu: RCU event tracing is enabled. [ 0.109244] rcu: RCU lockdep checking is enabled. [ 0.109248] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=4. [ 0.109252] Rude variant of Tasks RCU enabled. [ 0.109256] Tracing variant of Tasks RCU enabled. [ 0.109260] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies. [ 0.109264] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 [ 0.117889] NR_IRQS: 4352, nr_irqs: 1024, preallocated irqs: 16 [ 0.118290] random: crng init done [ 0.118378] Console: colour dummy device 80x25 [ 0.193512] printk: console [ttyS0] enabled [ 0.193880] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.194540] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.194900] ... MAX_LOCK_DEPTH: 48 [ 0.195261] ... MAX_LOCKDEP_KEYS: 8192 [ 0.195643] ... CLASSHASH_SIZE: 4096 [ 0.196019] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.196408] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.196791] ... CHAINHASH_SIZE: 32768 [ 0.197173] memory used by lock dependency info: 6365 kB [ 0.197641] memory used for stack traces: 4224 kB [ 0.198052] per task-struct memory footprint: 1920 bytes [ 0.198567] ACPI: Core revision 20200925 [ 0.199111] hpet: HPET dysfunctional in PC10. Force disabled. [ 0.199611] APIC: Switch to symmetric I/O mode setup [ 0.204028] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x170fff30cc4, max_idle_ns: 440795237869 ns [ 0.204943] Calibrating delay loop (skipped), value calculated using timer frequency.. 3199.92 BogoMIPS (lpj=1599960) [ 0.205849] pid_max: default: 32768 minimum: 301 [ 0.205928] LSM: Security Framework initializing [ 0.205928] SELinux: Initializing. [ 0.205928] LSM support for eBPF active [ 0.205928] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.205928] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.205928] mce: CPU0: Thermal monitoring enabled (TM1) [ 0.205928] process: using mwait in idle threads [ 0.205928] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8 [ 0.205928] Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4 [ 0.205928] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 0.205928] Spectre V2 : Mitigation: IBRS [ 0.205928] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 0.205928] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB on VMEXIT [ 0.205928] RETBleed: Mitigation: IBRS [ 0.205928] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier [ 0.205928] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl and seccomp [ 0.205928] MDS: Vulnerable: Clear CPU buffers attempted, no microcode [ 0.205928] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode [ 0.205928] SRBDS: Vulnerable: No microcode [ 0.205928] ------------[ cut here ]------------ [ 0.205928] missing return thunk: lkdtm_rodata_do_nothing+0x0/0x10-lkdtm_rodata_do_nothing+0x5/0x10: e9 00 00 00 00 [ 0.205928] WARNING: CPU: 0 PID: 0 at arch/x86/kernel/alternative.c:712 apply_returns+0x1f5/0x220 [ 0.205928] Modules linked in: [ 0.205928] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.10.145-cip17 #1 [ 0.205928] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 0.205928] RIP: 0010:apply_returns+0x1f5/0x220 [ 0.205928] Code: e4 01 00 0f 85 e1 fe ff ff 49 89 e8 b9 05 00 00 00 4c 89 f2 48 89 ee 48 c7 c7 98 8b 0c a0 c6 05 f9 5c e4 01 01 e8 a6 7a e8 00 <0f> 0b e9 b9 fe ff ff 44 89 f9 c7 00 cc cc cc cc c7 44 08 fc cc cc [ 0.205928] RSP: 0000:ffffffffa0403de0 EFLAGS: 00010282 [ 0.205928] RAX: 0000000000000000 RBX: ffffffffa0ee3fc0 RCX: 0000000000000000 [ 0.205928] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff9e97a8a1 [ 0.205928] RBP: ffffffff9fd9b320 R08: 0000000000000001 R09: 0000000000000001 [ 0.205928] R10: ffffffffa048fbc0 R11: 3fffffffffffffff R12: ffffffffa0efbb6c [ 0.205928] R13: cccccccccccccccc R14: ffffffff9fd9b325 R15: 0000000000000004 [ 0.205928] FS: 0000000000000000(0000) GS:ffff91263ac00000(0000) knlGS:0000000000000000 [ 0.205928] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 0.205928] CR2: ffff91263efff000 CR3: 000000002f226001 CR4: 00000000003706f0 [ 0.205928] Call Trace: [ 0.205928] alternative_instructions+0x7d/0x143 [ 0.205928] check_bugs+0xedd/0xf39 [ 0.205928] start_kernel+0x517/0x54d [ 0.205928] secondary_startup_64_no_verify+0xc2/0xcb [ 0.205928] irq event stamp: 162195 [ 0.205928] hardirqs last enabled at (162203): [] console_unlock+0x4d1/0x5f0 [ 0.205928] hardirqs last disabled at (162210): [] console_unlock+0x444/0x5f0 [ 0.205928] softirqs last enabled at (1820): [] cgroup_idr_alloc.constprop.0+0x5b/0xe0 [ 0.205928] softirqs last disabled at (1818): [] cgroup_idr_alloc.constprop.0+0x2e/0xe0 [ 0.205928] ---[ end trace 7f9e6aa75646ed52 ]--- # [ 0.205928] Freeing SMP alternatives memory: 44K [ 0.205928] smpboot: CPU0: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz (family: 0x6, model: 0x8e, stepping: 0x9) [ 0.206591] Performance Events: PEBS fmt3+, Skylake events, 32-deep LBR, full-width counters, Intel PMU driver. [ 0.206943] ... version: 4 [ 0.207299] ... bit width: 48 [ 0.207661] ... generic registers: 4 [ 0.207935] ... value mask: 0000ffffffffffff [ 0.208399] ... max period: 00007fffffffffff [ 0.208860] ... fixed-purpose events: 3 [ 0.208934] ... event mask: 000000070000000f [ 0.209908] rcu: Hierarchical SRCU implementation. [ 0.211831] smp: Bringing up secondary CPUs ... [ 0.212677] x86: Booting SMP configuration: [ 0.212950] .... node #0, CPUs: #1 [ 0.213989] 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. [ 0.214957] 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. [ 0.216612] #2 #3 [ 0.218744] smp: Brought up 1 node, 4 CPUs [ 0.219296] smpboot: Max logical packages: 1 [ 0.219674] smpboot: Total of 4 processors activated (12799.68 BogoMIPS) [ 0.222271] devtmpfs: initialized [ 0.222993] x86/mm: Memory block size: 128MB [ 0.227051] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns [ 0.227954] futex hash table entries: 1024 (order: 5, 131072 bytes, linear) [ 0.228953] pinctrl core: initialized pinctrl subsystem [ 0.229760] PM: RTC time: 13:48:23, date: 2022-10-11 [ 0.230461] NET: Registered protocol family 16 [ 0.231580] audit: initializing netlink subsys (disabled) [ 0.231978] audit: type=2000 audit(1665496103.027:1): state=initialized audit_enabled=0 res=1 [ 0.232650] thermal_sys: Registered thermal governor 'step_wise' [ 0.232715] thermal_sys: Registered thermal governor 'user_space' [ 0.233047] cpuidle: using governor menu [ 0.234081] ACPI: bus type PCI registered [ 0.234785] PCI: MMCONFIG for domain 0000 [bus 00-3f] at [mem 0xe0000000-0xe3ffffff] (base 0xe0000000) [ 0.234943] PCI: MMCONFIG at [mem 0xe0000000-0xe3ffffff] reserved in E820 [ 0.235561] PCI: Using configuration type 1 for base access [ 0.259223] Kprobes globally optimized [ 0.259966] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 0.260548] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 0.261125] cryptomgr_test (38) used greatest stack depth: 14880 bytes left [ 0.263998] ACPI: Added _OSI(Module Device) [ 0.264371] ACPI: Added _OSI(Processor Device) [ 0.264764] ACPI: Added _OSI(3.0 _SCP Extensions) [ 0.264936] ACPI: Added _OSI(Processor Aggregator Device) [ 0.265410] ACPI: Added _OSI(Linux-Dell-Video) [ 0.265803] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 0.265937] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 0.279099] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 0.287883] ACPI: EC: EC started [ 0.288934] ACPI: EC: interrupt blocked [ 0.290070] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.290517] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC used to handle transactions [ 0.290935] ACPI: Interpreter enabled [ 0.291334] ACPI: (supports S0 S3 S4 S5) [ 0.291685] ACPI: Using IOAPIC for interrupt routing [ 0.292015] PCI: Using host bridge windows from ACPI; if necessary, use \"pci=nocrs\" and report a bug [ 0.310559] ACPI: Power Resource [PRIC] (on) [ 0.438022] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 0.438569] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] [ 0.439247] acpi PNP0A08:00: _OSC: OS now controls [PME PCIeCapability LTR] [ 0.439920] acpi PNP0A08:00: [Firmware Info]: MMCONFIG for domain 0000 [bus 00-3f] only partially covers this bridge [ 0.441577] PCI host bridge to bus 0000:00 [ 0.441941] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 0.442530] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 0.442936] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 0.443581] pci_bus 0000:00: root bus resource [mem 0x000c0000-0x000c3fff window] [ 0.444937] pci_bus 0000:00: root bus resource [mem 0x000c4000-0x000c7fff window] [ 0.445582] pci_bus 0000:00: root bus resource [mem 0x000c8000-0x000cbfff window] [ 0.445935] pci_bus 0000:00: root bus resource [mem 0x000cc000-0x000cffff window] [ 0.446580] pci_bus 0000:00: root bus resource [mem 0x000d0000-0x000d3fff window] [ 0.446936] pci_bus 0000:00: root bus resource [mem 0x000d4000-0x000d7fff window] [ 0.447581] pci_bus 0000:00: root bus resource [mem 0x000d8000-0x000dbfff window] [ 0.448937] pci_bus 0000:00: root bus resource [mem 0x000dc000-0x000dffff window] [ 0.449582] pci_bus 0000:00: root bus resource [mem 0x000e0000-0x000e3fff window] [ 0.449935] pci_bus 0000:00: root bus resource [mem 0x000e4000-0x000e7fff window] [ 0.450580] pci_bus 0000:00: root bus resource [mem 0x000e8000-0x000ebfff window] [ 0.450936] pci_bus 0000:00: root bus resource [mem 0x000ec000-0x000effff window] [ 0.451581] pci_bus 0000:00: root bus resource [mem 0x000f0000-0x000fffff window] [ 0.451936] pci_bus 0000:00: root bus resource [mem 0x80000001-0xdfffffff window] [ 0.452581] pci_bus 0000:00: root bus resource [mem 0x800000000-0xbffffffff window] [ 0.453937] pci_bus 0000:00: root bus resource [mem 0xfd000000-0xfe7fffff window] [ 0.454582] pci_bus 0000:00: root bus resource [mem 0xfed40000-0xfed44fff window] [ 0.454936] pci_bus 0000:00: root bus resource [bus 00-ff] [ 0.455500] pci 0000:00:00.0: [8086:590c] type 00 class 0x060000 [ 0.456968] pci 0000:00:02.0: [8086:591c] type 00 class 0x030000 [ 0.457513] pci 0000:00:02.0: reg 0x10: [mem 0xd0000000-0xd0ffffff 64bit] [ 0.457949] pci 0000:00:02.0: reg 0x18: [mem 0xc0000000-0xcfffffff 64bit pref] [ 0.458580] pci 0000:00:02.0: reg 0x20: [io 0x1c00-0x1c3f] [ 0.459608] pci 0000:00:04.0: [8086:1903] type 00 class 0x118000 [ 0.460960] pci 0000:00:04.0: reg 0x10: [mem 0xd1120000-0xd1127fff 64bit] [ 0.462360] pci 0000:00:08.0: [8086:1911] type 00 class 0x088000 [ 0.462908] pci 0000:00:08.0: reg 0x10: [mem 0xd1130000-0xd1130fff 64bit] [ 0.463628] pci 0000:00:14.0: [8086:9d2f] type 00 class 0x0c0330 [ 0.463973] pci 0000:00:14.0: reg 0x10: [mem 0xd1100000-0xd110ffff 64bit] [ 0.464696] pci 0000:00:14.0: PME# supported from D3hot D3cold [ 0.466737] pci 0000:00:14.2: [8086:9d31] type 00 class 0x118000 [ 0.466973] pci 0000:00:14.2: reg 0x10: [mem 0xd1131000-0xd1131fff 64bit] [ 0.468276] pci 0000:00:15.0: [8086:9d60] type 00 class 0x118000 [ 0.468834] pci 0000:00:15.0: reg 0x10: [mem 0xd1132000-0xd1132fff 64bit] [ 0.470802] pci 0000:00:15.1: [8086:9d61] type 00 class 0x118000 [ 0.470980] pci 0000:00:15.1: reg 0x10: [mem 0xd1133000-0xd1133fff 64bit] [ 0.472457] pci 0000:00:19.0: [8086:9d66] type 00 class 0x118000 [ 0.472980] pci 0000:00:19.0: reg 0x10: [mem 0xfe034000-0xfe034fff 64bit] [ 0.473589] pci 0000:00:19.0: reg 0x18: [mem 0xd1135000-0xd1135fff 64bit] [ 0.474765] pci 0000:00:19.1: [8086:9d65] type 00 class 0x118000 [ 0.475981] pci 0000:00:19.1: reg 0x10: [mem 0xd1136000-0xd1136fff 64bit] [ 0.477460] pci 0000:00:1c.0: [8086:9d10] type 01 class 0x060400 [ 0.478133] pci 0000:00:1c.0: PME# supported from D0 D3hot D3cold [ 0.479474] pci 0000:00:1e.0: [8086:9d27] type 00 class 0x118000 [ 0.479980] pci 0000:00:1e.0: reg 0x10: [mem 0xd1137000-0xd1137fff 64bit] [ 0.481425] pci 0000:00:1e.2: [8086:9d29] type 00 class 0x118000 [ 0.481980] pci 0000:00:1e.2: reg 0x10: [mem 0xd1138000-0xd1138fff 64bit] [ 0.483427] pci 0000:00:1e.4: [8086:9d2b] type 00 class 0x080501 [ 0.483974] pci 0000:00:1e.4: reg 0x10: [mem 0xd1139000-0xd1139fff 64bit] [ 0.485521] pci 0000:00:1e.6: [8086:9d2d] type 00 class 0x080501 [ 0.485975] pci 0000:00:1e.6: reg 0x10: [mem 0xd113a000-0xd113afff 64bit] [ 0.487386] pci 0000:00:1f.0: [8086:9d4b] type 00 class 0x060100 [ 0.488733] pci 0000:00:1f.2: [8086:9d21] type 00 class 0x058000 [ 0.488967] pci 0000:00:1f.2: reg 0x10: [mem 0xd1128000-0xd112bfff] [ 0.490324] pci 0000:00:1f.3: [8086:9d71] type 00 class 0x040100 [ 0.490880] pci 0000:00:1f.3: reg 0x10: [mem 0xd112c000-0xd112ffff 64bit] [ 0.491995] pci 0000:00:1f.3: reg 0x20: [mem 0xd1110000-0xd111ffff 64bit] [ 0.492684] pci 0000:00:1f.3: PME# supported from D3hot D3cold [ 0.493742] pci 0000:00:1f.4: [8086:9d23] type 00 class 0x0c0500 [ 0.494001] pci 0000:00:1f.4: reg 0x10: [mem 0xd113c000-0xd113c0ff 64bit] [ 0.494658] pci 0000:00:1f.4: reg 0x20: [io 0xefa0-0xefbf] [ 0.495714] pci 0000:00:1f.5: [8086:9d24] type 00 class 0x000000 [ 0.496968] pci 0000:00:1f.5: reg 0x10: [mem 0xfe010000-0xfe010fff] [ 0.498588] pci 0000:01:00.0: [8086:095a] type 00 class 0x028000 [ 0.499136] pci 0000:01:00.0: reg 0x10: [mem 0xd1000000-0xd1001fff 64bit] [ 0.500864] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold [ 0.502700] pci 0000:00:1c.0: PCI bridge to [bus 01] [ 0.503955] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] [ 0.505897] ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.506855] ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 *10 12 14 15) [ 0.507232] ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.508158] ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.509084] ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.510009] ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.510928] ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.511857] ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.518974] ACPI: EC: interrupt unblocked [ 0.519342] ACPI: EC: event unblocked [ 0.519678] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.519936] ACPI: EC: GPE=0x6e [ 0.520217] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC initialization complete [ 0.520828] ACPI: \_SB_.PCI0.LPCB.EC0_: EC: Used to handle transactions and events [ 0.521975] iommu: Default domain type: Translated [ 0.523109] pci 0000:00:02.0: vgaarb: setting as boot VGA device [ 0.523543] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 0.523958] pci 0000:00:02.0: vgaarb: bridge control possible [ 0.524459] vgaarb: loaded [ 0.525223] SCSI subsystem initialized [ 0.525588] ACPI: bus type USB registered [ 0.525991] usbcore: registered new interface driver usbfs [ 0.526528] usbcore: registered new interface driver hub [ 0.526974] usbcore: registered new device driver usb [ 0.527536] pps_core: LinuxPPS API ver. 1 registered [ 0.527934] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 0.528724] PTP clock support registered [ 0.530069] Advanced Linux Sound Architecture Driver Initialized. [ 0.531543] NetLabel: Initializing [ 0.531850] NetLabel: domain hash size = 128 [ 0.531935] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 0.532495] NetLabel: unlabeled traffic allowed by default [ 0.533054] PCI: Using ACPI for IRQ routing [ 0.541285] clocksource: Switched to clocksource tsc-early [ 0.921360] VFS: Disk quotas dquot_6.6.0 [ 0.921757] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 0.922742] pnp: PnP ACPI init [ 0.923849] system 00:00: [mem 0xfed10000-0xfed17fff] has been reserved [ 0.924450] system 00:00: [mem 0xfed18000-0xfed18fff] has been reserved [ 0.925046] system 00:00: [mem 0xfed19000-0xfed19fff] has been reserved [ 0.925623] system 00:00: [mem 0xe0000000-0xe3ffffff] has been reserved [ 0.926215] system 00:00: [mem 0xfed20000-0xfed3ffff] has been reserved [ 0.926792] system 00:00: [mem 0xfed90000-0xfed93fff] could not be reserved [ 0.927415] system 00:00: [mem 0xfed45000-0xfed8ffff] could not be reserved [ 0.928036] system 00:00: [mem 0xff000000-0xffffffff] has been reserved [ 0.928613] system 00:00: [mem 0xfee00000-0xfeefffff] has been reserved [ 0.929205] system 00:00: [mem 0xfed00000-0xfed003ff] has been reserved [ 0.930723] system 00:01: [io 0x1800-0x18fe] has been reserved [ 0.931641] system 00:03: [io 0x0900-0x09fe] has been reserved [ 0.932431] system 00:04: [io 0x0200] has been reserved [ 0.932899] system 00:04: [io 0x0204] has been reserved [ 0.933386] system 00:04: [io 0x0800-0x087f] has been reserved [ 0.933906] system 00:04: [io 0x0880-0x08ff] has been reserved [ 0.936928] pnp: PnP ACPI: found 6 devices [ 0.951214] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 0.952098] NET: Registered protocol family 2 [ 0.952623] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear) [ 0.954760] tcp_listen_portaddr_hash hash table entries: 2048 (order: 5, 163840 bytes, linear) [ 0.955703] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear) [ 0.956598] TCP bind hash table entries: 32768 (order: 9, 2359296 bytes, linear) [ 0.958889] TCP: Hash tables configured (established 32768 bind 32768) [ 0.959745] MPTCP token hash table entries: 4096 (order: 6, 360448 bytes, linear) [ 0.960659] UDP hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 0.961501] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 0.962479] NET: Registered protocol family 1 [ 0.963539] RPC: Registered named UNIX socket transport module. [ 0.964098] RPC: Registered udp transport module. [ 0.964514] RPC: Registered tcp transport module. [ 0.964927] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 0.966027] NET: Registered protocol family 44 [ 0.966437] pci 0000:00:1c.0: PCI bridge to [bus 01] [ 0.966888] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] [ 0.967514] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 0.968061] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 0.968598] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 0.969257] pci_bus 0000:00: resource 7 [mem 0x000c0000-0x000c3fff window] [ 0.969851] pci_bus 0000:00: resource 8 [mem 0x000c4000-0x000c7fff window] [ 0.970456] pci_bus 0000:00: resource 9 [mem 0x000c8000-0x000cbfff window] [ 0.971062] pci_bus 0000:00: resource 10 [mem 0x000cc000-0x000cffff window] [ 0.971663] pci_bus 0000:00: resource 11 [mem 0x000d0000-0x000d3fff window] [ 0.972274] pci_bus 0000:00: resource 12 [mem 0x000d4000-0x000d7fff window] [ 0.972876] pci_bus 0000:00: resource 13 [mem 0x000d8000-0x000dbfff window] [ 0.973487] pci_bus 0000:00: resource 14 [mem 0x000dc000-0x000dffff window] [ 0.974100] pci_bus 0000:00: resource 15 [mem 0x000e0000-0x000e3fff window] [ 0.974702] pci_bus 0000:00: resource 16 [mem 0x000e4000-0x000e7fff window] [ 0.975347] pci_bus 0000:00: resource 17 [mem 0x000e8000-0x000ebfff window] [ 0.975960] pci_bus 0000:00: resource 18 [mem 0x000ec000-0x000effff window] [ 0.976562] pci_bus 0000:00: resource 19 [mem 0x000f0000-0x000fffff window] [ 0.977173] pci_bus 0000:00: resource 20 [mem 0x80000001-0xdfffffff window] [ 0.977774] pci_bus 0000:00: resource 21 [mem 0x800000000-0xbffffffff window] [ 0.978400] pci_bus 0000:00: resource 22 [mem 0xfd000000-0xfe7fffff window] [ 0.979011] pci_bus 0000:00: resource 23 [mem 0xfed40000-0xfed44fff window] [ 0.979613] pci_bus 0000:01: resource 1 [mem 0xd1000000-0xd10fffff] [ 0.980627] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 0.983329] PCI: CLS 64 bytes, default 64 [ 0.984046] Unpacking initramfs... [ 1.249768] Freeing initrd memory: 8236K [ 1.250207] DMAR: Host address width 39 [ 1.250576] DMAR: DRHD base: 0x000000fed90000 flags: 0x0 [ 1.251116] DMAR: dmar0: reg_base_addr fed90000 ver 1:0 cap 1c0000c40660462 ecap 19e2ff0505e [ 1.251840] DMAR: RMRR base: 0x0000007b800000 end: 0x0000007fffffff [ 1.252402] DMAR: DRHD base: 0x000000fed91000 flags: 0x1 [ 1.252884] DMAR: dmar1: reg_base_addr fed91000 ver 1:0 cap d2008c40660462 ecap f050da [ 1.253671] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 1.254245] software IO TLB: mapped [mem 0x0000000076998000-0x000000007a998000] (64MB) [ 1.255133] RAPL PMU: API unit is 2^-32 Joules, 5 fixed counters, 655360 ms ovfl timer [ 1.255815] RAPL PMU: hw unit of domain pp0-core 2^-14 Joules [ 1.256341] RAPL PMU: hw unit of domain package 2^-14 Joules [ 1.256833] RAPL PMU: hw unit of domain dram 2^-14 Joules [ 1.257389] RAPL PMU: hw unit of domain pp1-gpu 2^-14 Joules [ 1.257882] RAPL PMU: hw unit of domain psys 2^-14 Joules [ 1.260048] kvm: already loaded the other module [ 1.269313] check: Scanning for low memory corruption every 60 seconds [ 1.272952] Initialise system trusted keyrings [ 1.273585] workingset: timestamp_bits=56 max_order=20 bucket_order=0 [ 1.293373] NFS: Registering the id_resolver key type [ 1.293849] Key type id_resolver registered [ 1.294259] Key type id_legacy registered [ 1.311083] Key type asymmetric registered [ 1.311471] Asymmetric key parser 'x509' registered [ 1.311963] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249) [ 1.312616] io scheduler mq-deadline registered [ 1.313054] io scheduler kyber registered [ 1.313600] test_firmware: interface ready [ 1.315453] pcieport 0000:00:1c.0: PME: Signaling with IRQ 120 [ 1.317233] ACPI: AC Adapter [AC] (on-line) [ 1.317989] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/PNP0C0D:00/input/input0 [ 1.319632] ACPI: Lid Switch [LID0] [ 1.320213] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input1 [ 1.321100] ACPI: Power Button [PWRF] [ 1.321835] ACPI: \_PR_.CP00: Found 3 idle states [ 1.322978] ACPI: \_PR_.CP01: Found 3 idle states [ 1.323953] ACPI: \_PR_.CP02: Found 3 idle states [ 1.324957] ACPI: \_PR_.CP03: Found 3 idle states [ 1.326402] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 1.329779] hpet_acpi_add: no address or irqs in _CRS [ 1.330586] Non-volatile memory driver v1.3 [ 1.331249] Linux agpgart interface v0.103 [ 1.331278] battery: ACPI: Battery Slot [BAT0] (battery present) [ 1.334557] i915 0000:00:02.0: vgaarb: deactivate vga console [ 1.387482] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem [ 1.388853] i915 0000:00:02.0: Direct firmware load for i915/kbl_dmc_ver1_04.bin failed with error -2 [ 1.389788] i915 0000:00:02.0: [drm] Failed to load DMC firmware i915/kbl_dmc_ver1_04.bin. Disabling runtime power management. [ 1.390981] i915 0000:00:02.0: [drm] DMC firmware homepage: https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/tree/i915 [ 1.425938] [drm] Initialized i915 1.6.0 20200917 for 0000:00:02.0 on minor 0 [ 1.430228] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 1 [ 1.450063] loop: module loaded [ 1.451278] lkdtm: No crash points registered, enable through debugfs [ 1.476318] printk: console [ttyS0] disabled [ 1.476998] dw-apb-uart.2: ttyS0 at MMIO 0xfe034000 (irq = 32, base_baud = 115200) is a 16550A [ 2.284116] tsc: Refined TSC clocksource calibration: 1607.999 MHz [ 2.289403] printk: console [ttyS0] enabled [ 2.297894] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x172da94f0e2, max_idle_ns: 440795278248 ns [ 2.319864] dw-apb-uart.4: ttyS1 at MMIO 0xd1137000 (irq = 20, base_baud = 115200) is a 16550A [ 4.917621] clocksource: Switched to clocksource tsc [ 4.917796] fbcon: i915drmfb (fb0) is primary device [ 4.920126] pxa2xx-spi pxa2xx-spi.5: no DMA channels available, using PIO [ 4.929365] e100: Intel(R) PRO/100 Network Driver [ 4.929368] e100: Copyright(c) 1999-2006 Intel Corporation [ 4.929434] e1000: Intel(R) PRO/1000 Network Driver [ 4.929437] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 4.929524] e1000e: Intel(R) PRO/1000 Network Driver [ 4.929526] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 4.929614] sky2: driver version 1.30 [ 4.929982] usbcore: registered new interface driver r8152 [ 4.930717] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 4.930737] ehci-pci: EHCI PCI platform driver [ 4.930807] tpm_tis_spi spi-PRP0001:00: TPM ready IRQ confirmed on attempt 2 [ 4.930822] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 4.930842] ohci-pci: OHCI PCI platform driver [ 4.930988] uhci_hcd: USB Universal Host Controller Interface driver [ 4.932560] xhci_hcd 0000:00:14.0: xHCI Host Controller [ 4.933565] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 1 [ 4.935199] xhci_hcd 0000:00:14.0: hcc params 0x200077c1 hci version 0x100 quirks 0x0000000081109810 [ 4.935314] xhci_hcd 0000:00:14.0: cache line size of 64 is not supported [ 4.938550] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10 [ 4.938597] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 4.938601] usb usb1: Product: xHCI Host Controller [ 4.938605] usb usb1: Manufacturer: Linux 5.10.145-cip17 xhci-hcd [ 4.938608] usb usb1: SerialNumber: 0000:00:14.0 [ 4.940916] hub 1-0:1.0: USB hub found [ 4.941166] hub 1-0:1.0: 12 ports detected [ 4.946482] xhci_hcd 0000:00:14.0: xHCI Host Controller [ 4.946888] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 2 [ 4.946904] xhci_hcd 0000:00:14.0: Host supports USB 3.0 SuperSpeed [ 4.947401] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.10 [ 4.947434] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 4.947438] usb usb2: Product: xHCI Host Controller [ 4.947442] usb usb2: Manufacturer: Linux 5.10.145-cip17 xhci-hcd [ 4.947445] usb usb2: SerialNumber: 0000:00:14.0 [ 4.949117] hub 2-0:1.0: USB hub found [ 4.949257] hub 2-0:1.0: 6 ports detected [ 4.952786] usbcore: registered new interface driver usblp [ 4.952927] usbcore: registered new interface driver usb-storage [ 4.953747] udc-core: couldn't find an available UDC - added [g_ether] to list of pending drivers [ 4.953919] i8042: PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1 [ 4.953974] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp [ 4.954849] i8042: Warning: Keylock active [ 4.955193] serio: i8042 KBD port at 0x60,0x64 irq 1 [ 4.955639] tpm_tis_spi spi-PRP0001:00: 2.0 TPM (device-id 0x28, rev-id 0) [ 4.958538] rtc_cmos 00:02: RTC can wake from S4 [ 4.961111] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input2 [ 4.963690] Console: switching to colour frame buffer device 240x67 [ 4.964097] rtc_cmos 00:02: registered as rtc0 [ 4.964436] rtc_cmos 00:02: alarms up to one month, 242 bytes nvram [ 4.965834] i801_smbus 0000:00:1f.4: SPD Write Disable is set [ 4.965879] i801_smbus 0000:00:1f.4: SMBus using PCI interrupt [ 4.968624] i2c i2c-9: 2/2 memory slots populated (from DMI) [ 4.970485] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com [ 4.970525] intel_pstate: Intel P-state driver initializing [ 4.971477] intel_pstate: HWP enabled [ 4.971524] sdhci: Secure Digital Host Controller Interface driver [ 4.971526] sdhci: Copyright(c) Pierre Ossman [ 4.971618] sdhci-pci 0000:00:1e.4: SDHCI controller found [8086:9d2b] (rev 21) [ 4.973463] mmc0: SDHCI controller on PCI [0000:00:1e.4] using ADMA 64-bit [ 4.973804] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 4.975861] hid: raw HID events driver (C) Jiri Kosina [ 4.980896] i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device [ 4.987244] usbcore: registered new interface driver usbhid [ 5.409074] usbhid: USB HID core driver [ 5.414114] input: Tablet Mode Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/GOOG0006:00/input/input3 [ 5.432004] cros_ec_lpcs GOOG0004:00: Chrome EC device registered [ 5.439523] snd_hda_intel 0000:00:1f.3: DSP detected with PCI class/subclass/prog-if info 0x040100 [ 5.450573] ipip: IPv4 and MPLS over IPv4 tunneling driver [ 5.457090] gre: GRE over IPv4 demultiplexor driver [ 5.462553] ip_gre: GRE over IPv4 tunneling driver [ 5.469012] IPv4 over IPsec tunneling driver [ 5.474190] Initializing XFRM netlink socket [ 5.479708] NET: Registered protocol family 10 [ 5.486025] Segment Routing with IPv6 [ 5.491373] ip6_gre: GRE over IPv6 tunneling driver [ 5.497407] NET: Registered protocol family 17 [ 5.502556] 8021q: 802.1Q VLAN Support v1.8 [ 5.505707] 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 [ 5.507263] Key type dns_resolver registered [ 5.525639] microcode: sig=0x806e9, pf=0x10, revision=0x98 [ 5.530010] usb 1-3: new full-speed USB device number 2 using xhci_hcd [ 5.539122] microcode: Microcode Update Driver: v2.2. [ 5.539129] IPI shorthand broadcast: enabled [ 5.549592] sched_clock: Marking stable (5462897696, 86670849)->(5623692687, -74124142) [ 5.558862] registered taskstats version 1 [ 5.563458] Loading compiled-in X.509 certificates [ 5.571412] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.581567] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.600541] PM: Magic number: 10:18:837 [ 5.605191] platform idma64.4: hash matches [ 5.610089] printk: console [netcon0] enabled [ 5.614967] netconsole: network logging started [ 5.620750] IP-Config: Failed to open gretap0 [ 5.625730] IP-Config: Failed to open erspan0 [ 5.630612] IP-Config: No network devices available [ 5.636133] cfg80211: Loading compiled-in X.509 certificates for regulatory database [ 5.647776] modprobe (100) used greatest stack depth: 14120 bytes left [ 5.652342] mmc0: new HS400 MMC card at address 0001 [ 5.655090] modprobe (101) used greatest stack depth: 14016 bytes left [ 5.655663] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' [ 5.661467] mmcblk0: mmc0:0001 DA4064 58.2 GiB [ 5.668217] snd_hda_intel 0000:00:1f.3: bound 0000:00:02.0 (ops i915_audio_component_bind_ops) [ 5.668398] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 [ 5.668413] cfg80211: failed to load regulatory.db [ 5.668422] ALSA device list: [ 5.668440] No soundcards found. [ 5.676184] mmcblk0boot0: mmc0:0001 DA4064 partition 1 4.00 MiB [ 5.695408] snd_hda_intel 0000:00:1f.3: Cannot probe codecs, giving up [ 5.700011] mmcblk0boot1: mmc0:0001 DA4064 partition 2 4.00 MiB [ 5.733246] usb 1-3: New USB device found, idVendor=8087, idProduct=0a2a, bcdDevice= 0.03 [ 5.742470] usb 1-3: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 5.750496] dw-apb-uart dw-apb-uart.2: forbid DMA for kernel console [ 5.751750] mmcblk0rpmb: mmc0:0001 DA4064 partition 3 16.0 MiB, chardev (246:0) [ 5.768035] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.776901] Freeing unused kernel image (initmem) memory: 2036K [ 5.791136] Write protecting the kernel read-only data: 28672k [ 5.794015] mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12 [ 5.804156] usb 2-3: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 5.812733] Freeing unused kernel image (text/rodata gap) memory: 2028K [ 5.817415] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.828851] Freeing unused kernel image (rodata/data gap) memory: 1384K [ 5.829459] usb 2-3: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=31.00 [ 5.845414] Run /init as init process [ 5.849560] usb 2-3: New USB device strings: Mfr=1, Product=2, SerialNumber=6 [ 5.857564] usb 2-3: Product: USB 10/100/1000 LAN [ 5.862827] usb 2-3: Manufacturer: Realtek Loading, please wait... [ 5.867418] usb 2-3: SerialNumber: 001000001 Starting version 247.3-7+deb11u1 [ 5.878463] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.933997] udevadm (126) used greatest stack depth: 13576 bytes left [ 5.943069] usb 1-9: new high-speed USB device number 3 using xhci_hcd [ 6.079188] cros-usbpd-notify-acpi GOOG0003:00: Couldn't get Chrome EC device pointer. [ 6.088671] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.113513] usb 1-9: New USB device found, idVendor=13d3, idProduct=56d4, bcdDevice=18.07 [ 6.122697] usb 1-9: New USB device strings: Mfr=3, Product=1, SerialNumber=2 [ 6.130724] usb 1-9: Product: USB2.0 HD UVC WebCam [ 6.136102] usb 1-9: Manufacturer: Azurewave [ 6.140908] usb 1-9: SerialNumber: 0x0001 [ 6.153000] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.175004] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.195977] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.205405] usb 2-3: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 6.215395] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.226048] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.242731] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.253042] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.271911] r8152 2-3:1.0: load rtl8153b-2 v1 10/23/19 successfully [ 6.309387] r8152 2-3:1.0 eth0: v1.11.11 [ 6.314642] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.353462] r8152 2-3:1.0 enx00e04c787fda: renamed from eth0 [ 6.378205] udevadm (142) used greatest stack depth: 13400 bytes left Begin: Loading essential drivers ... done. Begin: Running /scripts/init-premount ... done. Begin: Mounting root file system ... Begin: Running /scripts/nfs-top ... done. Begin: Running /scripts/nfs-premount ... done. IP-Config: gretap0 hardware address 00:00:00:00:00:00 mtu 1462 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: erspan0 hardware address 00:00:00:00:00:00 mtu 1450 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: enx00e04c787fda hardware address 00:e0:4c:78:7f:da mtu 1500 DHCP [ 7.956472] IPv6: ADDRCONF(NETDEV_CHANGE): enx00e04c787fda: link becomes ready [ 7.964892] r8152 2-3:1.0 enx00e04c787fda: carrier on IP-Config: no response after 2 secs - giving up IP-Config: gretap0 hardware address 00:00:00:00:00:00 mtu 1462 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: erspan0 hardware address 00:00:00:00:00:00 mtu 1450 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: enx00e04c787fda hardware address 00:e0:4c:78:7f:da mtu 1500 DHCP IP-Config: enx00e04c787fda complete (dhcp from 192.168.201.1): address: 192.168.201.17 broadcast: 192.168.201.255 netmask: 255.255.255.0 gateway: 192.168.201.1 dns0 : 192.168.201.1 dns1 : 0.0.0.0 host : asus-C433TA-AJ0005-rammus-cbg-3 domain : lava-rack rootserver: 192.168.201.1 rootpath: filename : [ 8.357263] nfsmount (165) used greatest stack depth: 12688 bytes left done. Begin: Running /scripts/nfs-bottom ... done. Begin: Running /scripts/init-bottom ... done. SELinux: Could not open policy file <= /etc/selinux/targeted/policy/policy.33: No such file or directory [ 9.473151] systemd[1]: systemd 247.3-7+deb11u1 running in system mode. (+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 +ZSTD +SECCOMP +BLKID +ELFUTILS +KMOD +IDN2 -IDN +PCRE2 default-hierarchy=unified) [ 9.511396] systemd[1]: Detected architecture x86-64. Welcome to [1mDebian GNU/Linux 11 (bullseye)[0m! [ 9.541082] systemd[1]: Set hostname to . [ 9.983635] systemd[1]: Queued start job for default target Graphical Interface. [ 9.994852] systemd[1]: Created slice system-getty.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-getty.slice[0m. [ 10.010601] systemd[1]: Created slice system-modprobe.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-modprobe.slice[0m. [ 10.026596] systemd[1]: Created slice system-serial\x2dgetty.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-serial\x2dgetty.slice[0m. [ 10.044536] systemd[1]: Created slice User and Session Slice. [[0;32m OK [0m] Created slice [0;1;39mUser and Session Slice[0m. [ 10.060507] 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. [ 10.079480] 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. [ 10.101042] 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. [ 10.121327] systemd[1]: Reached target Local Encrypted Volumes. [[0;32m OK [0m] Reached target [0;1;39mLocal Encrypted Volumes[0m. [ 10.137313] systemd[1]: Reached target Paths. [[0;32m OK [0m] Reached target [0;1;39mPaths[0m. [ 10.148191] systemd[1]: Reached target Remote File Systems. [[0;32m OK [0m] Reached target [0;1;39mRemote File Systems[0m. [ 10.164279] systemd[1]: Reached target Slices. [[0;32m OK [0m] Reached target [0;1;39mSlices[0m. [ 10.175195] systemd[1]: Reached target Swap. [[0;32m OK [0m] Reached target [0;1;39mSwap[0m. [ 10.186507] systemd[1]: Listening on initctl Compatibility Named Pipe. [[0;32m OK [0m] Listening on [0;1;39minitctl Compatibility Named Pipe[0m. [ 10.204200] systemd[1]: Listening on Journal Audit Socket. [[0;32m OK [0m] Listening on [0;1;39mJournal Audit Socket[0m. [ 10.220127] systemd[1]: Listening on Journal Socket (/dev/log). [[0;32m OK [0m] Listening on [0;1;39mJournal Socket (/dev/log)[0m. [ 10.236706] systemd[1]: Listening on Journal Socket. [[0;32m OK [0m] Listening on [0;1;39mJournal Socket[0m. [ 10.252117] systemd[1]: Listening on Network Service Netlink Socket. [[0;32m OK [0m] Listening on [0;1;39mNetwork Service Netlink Socket[0m. [ 10.270526] systemd[1]: Listening on udev Control Socket. [[0;32m OK [0m] Listening on [0;1;39mudev Control Socket[0m. [ 10.286623] systemd[1]: Listening on udev Kernel Socket. [[0;32m OK [0m] Listening on [0;1;39mudev Kernel Socket[0m. [ 10.304077] systemd[1]: Mounting Huge Pages File System... Mounting [0;1;39mHuge Pages File System[0m... [ 10.319820] systemd[1]: Mounting POSIX Message Queue File System... Mounting [0;1;39mPOSIX Message Queue File System[0m... [ 10.338386] systemd[1]: Mounting Kernel Debug File System... Mounting [0;1;39mKernel Debug File System[0m... [ 10.352701] systemd[1]: Mounting Kernel Trace File System... Mounting [0;1;39mKernel Trace File System[0m... [ 10.373154] 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... [ 10.394280] systemd[1]: Starting Load Kernel Module configfs... Starting [0;1;39mLoad Kernel Module configfs[0m... [ 10.412048] systemd[1]: Starting Load Kernel Module drm... Starting [0;1;39mLoad Kernel Module drm[0m... [ 10.427961] systemd[1]: Starting Load Kernel Module fuse... Starting [0;1;39mLoad Kernel Module fuse[0m... [ 10.464792] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. [ 10.475269] fuse: init (API version 7.32) [ 10.481496] systemd[1]: Starting Journal Service... Starting [0;1;39mJournal Service[0m... [ 10.499281] systemd[1]: Starting Load Kernel Modules... Starting [0;1;39mLoad Kernel Modules[0m... [ 10.512443] systemd[1]: Starting Remount Root and Kernel File Systems... Starting [0;1;39mRemount Root and Kernel File Systems[0m... [ 10.530747] systemd[1]: Starting Coldplug All udev Devices... Starting [0;1;39mColdplug All udev Devices[0m... [ 10.549156] systemd[1]: Mounted Huge Pages File System. [[0;32m OK [0m] Mounted [0;1;39mHuge Pages File System[0m. [ 10.565491] systemd[1]: Mounted POSIX Message Queue File System. [[0;32m OK [0m] Mounted [0;1;39mPOSIX Message Queue File System[0m. [ 10.581389] systemd[1]: Mounted Kernel Debug File System. [[0;32m OK [0m] Mounted [0;1;39mKernel Debug File System[0m. [ 10.596365] systemd[1]: Mounted Kernel Trace File System. [[0;32m OK [0m] Mounted [0;1;39mKernel Trace File System[0m. [ 10.613135] 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. [ 10.635195] systemd[1]: modprobe@configfs.service: Succeeded. [ 10.642587] systemd[1]: Finished Load Kernel Module configfs. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module configfs[0m. [ 10.659058] systemd[1]: modprobe@drm.service: Succeeded. [ 10.665836] systemd[1]: Finished Load Kernel Module drm. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module drm[0m. [ 10.681360] systemd[1]: Started Journal Service. [[0;32m OK [0m] Started [0;1;39mJournal Service[0m. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module fuse[0m. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Modules[0m. [[0;32m OK [0m] Finished [0;1;39mRemount Root and Kernel File Systems[0m. Mounting [0;1;39mFUSE Control File System[0m... Mounting [0;1;39mKernel Configuration File System[0m... Starting [0;1;39mFlush Journal to Persistent Storage[0m... Starting [0;1;39mLoad/Save Random Seed[0m... Starting [0;1;39mApply Kernel Variables[0m... Starting [0;1;39mCreate System Users[0m... [[0;32m OK [0m] Mounted [0;1;39mFUSE Control File System[0[ 10.792436] systemd-journald[201]: Received client request to flush runtime journal. m. [[0;32m OK [0m] Mounted [0;1;39mKernel Configuration File System[0m. [[0;32m OK [0m] Finished [0;1;39mLoad/Save Random Seed[0m. [[0;32m OK [0m] Finished [0;1;39mApply Kernel Variables[0m. [[0;32m OK [0m] Finished [0;1;39mColdplug All udev Devices[0m. [[0;32m OK [0m] Finished [0;1;39mCreate System Users[0m. Starting [0;1;39mCreate Static Device Nodes in /dev[0m... [[0;32m OK [0m] Finished [0;1;39mFlush Journal to Persistent Storage[0m. [[0;32m OK [0m] Finished [0;1;39mCreate Static Device Nodes in /dev[0m. [[0;32m OK [0m] Reached target [0;1;39mLocal File Systems (Pre)[0m. [[0;32m OK [0m] Reached target [0;1;39mLocal File Systems[0m. Starting [0;1;39mCreate Volatile Files and Directories[0m... Starting [0;1;39mRule-based Manage…for Device Events and Files[0m... [[0;32m OK [0m] Started [0;1;39mRule-based Manager for Device Events and Files[0m. Starting [0;1;39mNetwork Service[0m... [[0;32m OK [0m] Finished [0;1;39mCreate Volatile Files and Directories[0m. Starting [0;1;39mUpdate UTMP about System Boot/Shutdown[0m... [[0;32m OK [0m] Finished [0;1;39mUpdate UTMP about System Boot/Shutdown[0m. [[0;32m OK [0m] Reached target [0;1;39mSystem Initialization[0m. [[0;32m OK [0m] Started [0;1;39mDaily apt download activities[0m. [[0;32m OK [0m] Started [0;1;39mDaily apt upgrade and clean activities[0m. [[0;32m OK [0m] Started [0;1;39mPeriodic ext4 Onli…ata Check for All Filesystems[0m. [[0;32m OK [0m] Started [0;1;39mDiscard unused blocks once a week[0m. [[0;32m OK [0m] Started [0;1;39mDaily Cleanup of Temporary Directories[0m. [[0;32m OK [0m] Reached target [0;1;39mTimers[0m. [[0;32m OK [0m] Listening on [0;1;39mD-Bus System Message Bus Socket[0m. [[0;32m OK [0m] Reached target [0;1;39mSockets[0m. [[0;32m OK [0m] Reached target [0;1;39mBasic System[0m. [[0;32m OK [0m] Started [0;1;39mD-Bus System Message Bus[0m. Starting [0;1;39mRemove Stale Onli…t4 Metadata Check Snapshots[0m... Starting [0;1;39mUser Login Management[0m... [[0;32m OK [0m] Found device [0;1;39mSunrise Point-LP Serial IO UART Controller[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... [[0;32m OK [0m] Started [0;1;39mNetwork Service[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 5.10.145-cip17 #1 SMP Tue Oct 11 13:42:04 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/7551965/extract-nfsrootfs-zzf4683a' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/7551965/extract-nfsrootfs-zzf4683a' / # 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-7551965/environment . /lava-7551965/environment / # /lava-7551965/bin/lava-test-runner /lava-7551965/0 /lava-7551965/bin/lava-test-runner /lava-7551965/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-7551965/0/tests/0_timesync-off ++ cat uuid + UUID=7551965_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-7551965/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=7551965_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/v5.10.145-cip17-1-ge85493c8cea0/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-7551965/0/tests/1_kselftest-lkdtm/automated/linux/kselftest/skipfile-lkft.yaml [ 16.682930] skipgen (318) used greatest stack depth: 12624 bytes left 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 [ 18.007406] rm (416) used greatest stack depth: 12528 bytes left 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. --2022-10-11 13:48:57-- http://storage.kernelci.org/cip/linux-5.10.y-cip/v5.10.145-cip17-1-ge85493c8cea0/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: 3536816 (3.4M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 1%[ ] 46.39K 161KB/s kselftest.tar.xz 4%[ ] 156.69K 215KB/s kselftest.tar.xz 13%[=> ] 464.96K 459KB/s kselftest.tar.xz 20%[===> ] 715.25K 549KB/s kselftest.tar.xz 28%[====> ] 972.60K 611KB/s kselftest.tar.xz 35%[======> ] 1.20M 653KB/s kselftest.tar.xz 43%[=======> ] 1.46M 687KB/s kselftest.tar.xz 50%[=========> ] 1.72M 714KB/s kselftest.tar.xz 58%[==========> ] 1.97M 748KB/s kselftest.tar.xz 63%[===========> ] 2.13M 751KB/s kselftest.tar.xz 70%[=============> ] 2.37M 763KB/s eta 1s kselftest.tar.xz 77%[==============> ] 2.61M 790KB/s eta 1s kselftest.tar.xz 82%[===============> ] 2.77M 785KB/s eta 1s kselftest.tar.xz 89%[================> ] 3.01M 809KB/s eta 1s kselftest.tar.xz 94%[=================> ] 3.18M 804KB/s eta 1s kselftest.tar.xz 100%[===================>] 3.37M 870KB/s in 4.2s 2022-10-11 13:49:01 (821 KB/s) - 'kselftest.tar.xz' saved [3536816/3536816] skiplist: ======================================== breakpoints:breakpoint_test breakpoints:step_after_suspend_test ftrace:ftracetest net:rtnetlink.sh net:tls netfilter:bridge_brouter.sh netfilter:nft_flowtable.sh netfilter:nft_trans_stress.sh pidfd:pidfd_wait ======================================== [ 47.693244] kselftest: Running tests in lkdtm TAP version 13 1..70 # selftests: lkdtm: PANIC.sh # Skipping PANIC: crashes entire system ok 1 selftests: lkdtm: PANIC.sh # SKIP # selftests: lkdtm: BUG.sh [ 47.858050] lkdtm: Performing direct entry BUG [ 47.863100] ------------[ cut here ]------------ [ 47.868430] kernel BUG at drivers/misc/lkdtm/bugs.c:76! [ 47.874294] invalid opcode: 0000 [#1] SMP PTI [ 47.879166] CPU: 2 PID: 729 Comm: cat Tainted: G W 5.10.145-cip17 #1 [ 47.887721] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 47.894522] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 47.898906] Code: 89 ff e8 2e b6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 fc 93 02 [ 47.919884] RSP: 0018:ffff9df58149fe60 EFLAGS: 00010286 [ 47.925711] RAX: ffffffff9f0de890 RBX: 0000000000000001 RCX: 0000000000000000 [ 47.933683] RDX: 0000000000000000 RSI: ffff91263ad1bf70 RDI: ffffffff9fd9ae90 [ 47.941655] RBP: ffffffffa01e5df0 R08: 0000000000000001 R09: 0000000000000001 [ 47.949625] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 47.957596] R13: ffff9df58149ff10 R14: ffff9df58149ff10 R15: ffff9125c3246000 [ 47.965569] FS: 00007f9bd4cf0580(0000) GS:ffff91263ad00000(0000) knlGS:0000000000000000 [ 47.974609] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.981027] CR2: 00007f9bd4af9000 CR3: 000000010319c005 CR4: 00000000003706e0 [ 47.989011] Call Trace: [ 47.991740] direct_entry.cold+0x2c/0x38 [ 47.996121] full_proxy_write+0x53/0x80 [ 48.000399] vfs_write+0xe7/0x3a0 [ 48.004099] ksys_write+0x68/0xf0 [ 48.007801] do_syscall_64+0x30/0x40 [ 48.011786] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 48.017427] RIP: 0033:0x7f9bd4c068f3 [ 48.021418] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 48.042406] RSP: 002b:00007ffcb91b1508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 48.050863] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f9bd4c068f3 [ 48.058834] RDX: 0000000000000004 RSI: 00007f9bd4af9000 RDI: 0000000000000001 [ 48.066805] RBP: 00007f9bd4af9000 R08: 00007f9bd4af8010 R09: 0000000000000000 [ 48.074775] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 48.082747] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 48.090722] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 48.117181] ---[ end trace 7f9e6aa75646ed54 ]--- [ 48.122365] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 48.126754] Code: 89 ff e8 2e b6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 fc 93 02 [ 48.147754] RSP: 0018:ffff9df58149fe60 EFLAGS: 00010286 [ 48.153601] RAX: ffffffff9f0de890 RBX: 0000000000000001 RCX: 0000000000000000 [ 48.161573] RDX: 0000000000000000 RSI: ffff91263ad1bf70 RDI: ffffffff9fd9ae90 [ 48.169556] RBP: ffffffffa01e5df0 R08: 0000000000000001 R09: 0000000000000001 [ 48.177538] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 48.185521] R13: ffff9df58149ff10 R14: ffff9df58149ff10 R15: ffff9125c3246000 [ 48.193508] FS: 00007f9bd4cf0580(0000) GS:ffff91263ad00000(0000) knlGS:0000000000000000 [ 48.202562] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.208989] CR2: 00007f9bd4af9000 CR3: 000000010319c005 CR4: 00000000003706e0 # Segmentation fault # [ 47.858050] lkdtm: Performing direct entry BUG # [ 47.863100] ------------[ cut here ]------------ # [ 47.868430] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 47.874294] invalid opcode: 0000 [#1] SMP PTI # [ 47.879166] CPU: 2 PID: 729 Comm: cat Tainted: G W 5.10.145-cip17 #1 # [ 47.887721] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 47.894522] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 47.898906] Code: 89 ff e8 2e b6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05[ 48.290576] lkdtm: Performing direct entry WARNING 80 fc 93 02 # [ 47.919884] RSP: 0018:ffff9df58149fe60 EFLAGS[ 48.296924] ------------[ cut here ]------------ : 00010286 # [ 47.925711] RAX: ffffffff9f0de890 RBX: 00000000[ 48.308326] WARNING: CPU: 0 PID: 765 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 00000001 RCX: 0000000000000000 # [ 47.933683] RDX: 0000000000[ 48.323961] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 000000 RSI: ffff91263ad1bf70 RDI: ffffffff9fd9ae90 # [ 47.941[ 48.356614] CPU: 0 PID: 765 Comm: cat Tainted: G D W 5.10.145-cip17 #1 655] RBP: ffffffffa01e5df0 R08: 0000000000000001 R09: 0000000000[ 48.371402] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 000001 # [ 47.949625] R10: 00000000ffffe000 R11: 3fffffffffff[ 48.384434] RIP: 0010:lkdtm_WARNING+0x13/0x20 ffff R12: 0000000000000004 # [ 47.957596] R13: ffff9df58149ff[ 48.395541] Code: c0 f4 ff ff ff eb c9 0f 1f 44 00 00 0f 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 fc 93 02 01 75 05 c3 cc cc cc cc <0f> 0b c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 61 fc 10 R14: ffff9df58149ff10 R15: ffff9125c3246000 # [ 47.965569][ 48.422776] RSP: 0018:ffff9df5814e7e60 EFLAGS: 00010202 FS: 00007f9bd4cf0580(0000) GS:ffff91263ad00000(0000) knlGS:000[ 48.434846] RAX: ffffffff9f0de8a0 RBX: 0000000000000002 RCX: 0000000000000000 0000000000000 # [ 47.974609] CS: 0010 DS: 0000 ES: 0000 CR0:[ 48.449068] RDX: 0000000000000000 RSI: ffff91263ac1bf70 RDI: ffffffff9fd9aea0 0000000080050033 # [ 47.981027] CR2: 00007f9bd4af9000 CR3: 0[ 48.463231] RBP: ffffffffa018a82f R08: 0000000000000000 R09: 0000000000000000 00000010319c005 CR4: 00000000003706e0 # [ 47.989011] Call Tra[ 48.477479] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 ce: # [ 47.991740] direct_entry.cold+0x2c/0x38 # [ 47.996[ 48.491668] R13: ffff9df5814e7f10 R14: ffff9df5814e7f10 R15: ffff9125c5900000 121] full_proxy_write+0x53/0x80 # [ 48.000399] vfs_write+0x[ 48.505852] FS: 00007f9cecd30580(0000) GS:ffff91263ac00000(0000) knlGS:0000000000000000 e7/0x3a0 # [ 48.004099] ksys_write+0x68/0xf0 # [ 48.00780[ 48.521145] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 1] do_syscall_64+0x30/0x40 # [ 48.011786] entry_SYSCALL_64_[ 48.533721] CR2: 00007f9cecb39000 CR3: 0000000103140005 CR4: 00000000003706f0 after_hwframe+0x61/0xc6 # [ 48.017427] RIP: 0033:0x7f9bd4c068[ 48.547956] Call Trace: f3 # [ 48.021418] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c[ 48.556906] direct_entry.cold+0x2c/0x38 7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75[ 48.567479] full_proxy_write+0x53/0x80 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 0[ 48.578029] vfs_write+0xe7/0x3a0 0 48 83 ec 28 48 89 54 24 18 # [ 48.042406] RSP: 002b:00007ff[ 48.587923] ksys_write+0x68/0xf0 cb91b1508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 48.[ 48.597842] do_syscall_64+0x30/0x40 050863] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f9[ 48.608017] entry_SYSCALL_64_after_hwframe+0x61/0xc6 bd4c068f3 # [ 48.058834] RDX: 0000000000000004 RSI: 00007f9bd[ 48.619918] RIP: 0033:0x7f9cecc468f3 4af9000 RDI: 0000000000000001 # [ 48.066805] RBP: 00007f9bd4a[ 48.630090] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 f9000 R08: 00007f9bd4af8010 R09: 0000000000000000 # [ 48.0747[ 48.657333] RSP: 002b:00007ffc089c6248 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 75] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 00000000000[ 48.672052] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f9cecc468f3 00001 # [ 48.082747] R13: 0000000000000001 R14: 0000000000020[ 48.686270] RDX: 0000000000000008 RSI: 00007f9cecb39000 RDI: 0000000000000001 000 R15: 0000000000020000 # [ 48.090722] Modules linked in: f[ 48.700446] RBP: 00007f9cecb39000 R08: 00007f9cecb38010 R09: 0000000000000000 use ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_[ 48.714673] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_de[ 48.728853] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 bugfs cros_ec_lightbar cros_ec_sensorhub cros_ec_chardev x86_pkg[ 48.743084] irq event stamp: 0 _temp_thermal cros_ec_dev cros_usbpd_notify # [ 48.117181] --[ 48.752693] hardirqs last enabled at (0): [<0000000000000000>] 0x0 -[ end trace 7f9e6aa75646ed54 ]--- # [ 48.122365] RIP: 0010:l[ 48.765913] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 kdtm_BUG+0x5/0x10 # [ 48.126754] Code: 89 ff e8 2e b6 a3 ff 4[ 48.781284] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 8 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48[ 48.796625] softirqs last disabled at (0): [<0000000000000000>] 0x0 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 0[ 48.809879] ---[ end trace 7f9e6aa75646ed55 ]--- 0 00 00 00 0f 1f 44 00 00 83 05 80 fc 93 02 # [ 48.147754] RSP: 0018:ffff9df58149fe60 EFLAGS: 00010286 # [ 48.153601] RAX: ffffffff9f0de890 RBX: 0000000000000001 RCX: 0000000000000000 # [ 48.161573] RDX: 0000000000000000 RSI: ffff91263ad1bf70 RDI: ffffffff9fd9ae90 # [ 48.169556] RBP: ffffffffa01e5df0 R08: 0000000000000001 R09: 0000000000000001 # [ 48.177538] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 48.185521] R13: ffff9df58149ff10 R14: ffff9df58149ff10 R15: ffff9125c3246000 # [ 48.193508] FS: 00007f9bd4cf0580(0000) GS:ffff91263ad00000(0000) knlGS:0000000000000000 # [ 48.202562] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 48.208989] CR2: 00007f9bd4af9000 CR3: 000000010319c005 CR4: 00000000003706e0 # BUG: saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh # [ 48.290576] lkdtm: Performing direct entry WARNING # [ 48.296924] ------------[ cut here ]------------ # [ 48.308326] WARNING: CPU: 0 PID: 765 a[ 48.918585] lkdtm: Performing direct entry WARNING_MESSAGE t drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 # [ 48[ 48.926820] ------------[ cut here ]------------ .323961] Modules linked in: fuse ip_tables cros_ec_sensors cros_[ 48.938194] Warning message trigger count: 2 ec_sensors_core industrialio_triggered_buffer kfifo_buf industri[ 48.949211] WARNING: CPU: 1 PID: 800 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 alio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sens[ 48.965598] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify orhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbp[ 48.998239] CPU: 1 PID: 800 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 49.013018] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 d_notify # [ 48.356614] CPU: 0 PID: 765 Comm: cat Tainted: G [ 49.019828] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 [ 49.031680] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 61 fc 93 02 48 c7 c7 90 ad 18 a0 8d 70 01 89 35 51 fc 93 02 e8 2b 1f 66 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 D W 5.10.145-cip17 #1 # [ 48.371402] Hardware na[ 49.052669] RSP: 0018:ffff9df58159fe60 EFLAGS: 00010286 [ 49.064714] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 me: Google Rammus/Rammus, BIOS 09/04/2020 # [ 48.384434] RIP[ 49.072688] RDX: ffff91263acac660 RSI: ffff91263ac9bf70 RDI: ffff91263ac9bf70 [ 49.086870] RBP: ffffffffa018a837 R08: 0000000000000000 R09: 0000000000000000 : 0010:lkdtm_WARNING+0x13/0x20 # [ 48.395541] Code: c0 f4 ff [ 49.094843] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 [ 49.109027] R13: ffff9df58159ff10 R14: ffff9df58159ff10 R15: ffff9125c3300000 ff ff eb c9 0f 1f 44 00 00 0f 0b 66 0f 1f 84 00 00 00 00 00 0f 1[ 49.117015] FS: 00007f9b0bc5c580(0000) GS:ffff91263ac80000(0000) knlGS:0000000000000000 f 44 00 00 83 05 80 fc 93 02 01 75 05 c3 cc cc cc cc <0f> 0b c3 [ 49.132266] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.144895] CR2: 00007f9b0ba65000 CR3: 0000000104eca003 CR4: 00000000003706e0 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 61 fc # [ [ 49.152867] Call Trace: 48.422776] RSP: 0018:ffff9df5814e7e60 EFLAGS: 00010202 # [ 48[ 49.161808] direct_entry.cold+0x2c/0x38 .434846] RAX: ffffffff9f0de8a0 RBX: 0000000000000002 RCX: 000000[ 49.172406] full_proxy_write+0x53/0x80 0000000000 # [ 48.449068] RDX: 0000000000000000 RSI: ffff9126[ 49.182902] vfs_write+0xe7/0x3a0 3ac1bf70 RDI: ffffffff9fd9aea0 # [ 48.463231] RBP: ffffffffa0[ 49.192816] ksys_write+0x68/0xf0 18a82f R08: 0000000000000000 R09: 0000000000000000 # [ 48.477[ 49.202741] do_syscall_64+0x30/0x40 479] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000[ 49.212961] entry_SYSCALL_64_after_hwframe+0x61/0xc6 000008 # [ 48.491668] R13: ffff9df5814e7f10 R14: ffff9df5814e[ 49.224815] RIP: 0033:0x7f9b0bb728f3 [ 49.235028] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 7f10 R15: ffff9125c5900000 # [ 48.505852] FS: 00007f9cecd305[ 49.256045] RSP: 002b:00007ffea3afee38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 80(0000) GS:ffff91263ac00000(0000) knlGS:0000000000000000 # [ [ 49.270690] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f9b0bb728f3 [ 49.284873] RDX: 0000000000000010 RSI: 00007f9b0ba65000 RDI: 0000000000000001 48.521145] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 #[ 49.292846] RBP: 00007f9b0ba65000 R08: 00007f9b0ba64010 R09: 0000000000000000 [ 49.307028] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 48.533721] CR2: 00007f9cecb39000 CR3: 0000000103140005 CR4:[ 49.315020] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 00000000003706f0 # [ 48.547956] Call Trace: # [ 48.556906[ 49.329204] irq event stamp: 0 [ 49.338822] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ] direct_entry.cold+0x2c/0x38 # [ 48.567479] full_proxy_wri[ 49.345827] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 49.361171] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 te+0x53/0x80 # [ 48.578029] vfs_write+0xe7/0x3a0 # [ 48.5[ 49.370312] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 49.383520] ---[ end trace 7f9e6aa75646ed56 ]--- 87923] ksys_write+0x68/0xf0 # [ 48.597842] do_syscall_64+0x30/0x40 # [ 48.608017] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 48.619918] RIP: 0033:0x7f9cecc468f3 # [ 48.630090] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 48.657333] RSP: 002b:00007ffc089c6248 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 48.672052] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f9cecc468f3 # [ 48.686270] RDX: 0000000000000008 RSI: 00007f9cecb39000 RDI: 0000000000000001 # [ 48.700446] RBP: 00007f9cecb39000 R08: 00007f9cecb38010 R09: 0000000000000000 # [ 48.714673] R10: fffffffffff[ 49.460521] lkdtm: Performing direct entry EXCEPTION ffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 48.7288[ 49.468829] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 49.482794] #PF: supervisor write access in kernel mode [ 49.488627] #PF: error_code(0x0002) - not-present page [ 49.494364] PGD 0 P4D 0 [ 49.497190] Oops: 0002 [#2] SMP PTI [ 49.501081] CPU: 1 PID: 832 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 49.509632] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 49.516440] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 53] R13: 0000000000000001 R14: 0000000000020000 R15: 00000000000[ 49.521398] Code: 48 c7 c7 90 ad 18 a0 8d 70 01 89 35 51 fc 93 02 e8 2b 1f 66 00 0f 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 04 25 00 00 00 00 00 00 00 00 c3 cc cc cc cc 66 66 2e 0f 1f 84 [ 49.548593] RSP: 0018:ffff9df58160fe60 EFLAGS: 00010286 [ 49.554426] RAX: ffffffff9f0de8f0 RBX: 0000000000000004 RCX: 0000000000000000 [ 49.562395] RDX: 0000000000000000 RSI: ffff91263ac9bf70 RDI: ffffffff9fd9aec0 [ 49.570363] RBP: ffffffffa00bfd07 R08: 0000000000000000 R09: 0000000000000000 [ 49.578332] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 49.586300] R13: ffff9df58160ff10 R14: ffff9df58160ff10 R15: ffff9125c3d07000 [ 49.594269] FS: 00007f3d948be580(0000) GS:ffff91263ac80000(0000) knlGS:0000000000000000 [ 49.603305] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.609719] CR2: 0000000000000000 CR3: 0000000104ff8005 CR4: 00000000003706e0 [ 49.617686] Call Trace: 20[000 # [ 48.743084] irq event stamp: 0 # [ 48.752693] har 49.620416] direct_entry.cold+0x2c/0x38 dirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 48.7[ 49.631013] full_proxy_write+0x53/0x80 [ 49.641509] vfs_write+0xe7/0x3a0 65913] hardirqs last disabled at (0): [] copy_[ 49.645209] ksys_write+0x68/0xf0 [ 49.655120] do_syscall_64+0x30/0x40 [ 49.659109] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 49.664748] RIP: 0033:0x7f3d947d48f3 [ 49.668726] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 49.689706] RSP: 002b:00007fffa82ed158 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 49.698159] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f3d947d48f3 [ 49.706127] RDX: 000000000000000a RSI: 00007f3d946c7000 RDI: 0000000000000001 [ 49.714095] RBP: 00007f3d946c7000 R08: 00007f3d946c6010 R09: 0000000000000000 [ 49.722062] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 49.730029] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 process+0x640/0x1c80 # [ 48.781284] softirqs last enabled at[ 49.738017] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 49.770654] CR2: 0000000000000000 [ 49.774341] ---[ end trace 7f9e6aa75646ed57 ]--- [ 49.779493] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 49.783870] Code: 89 ff e8 2e b6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 fc 93 02 [ 49.804852] RSP: 0018:ffff9df58149fe60 EFLAGS: 00010286 [ 49.810683] RAX: ffffffff9f0de890 RBX: 0000000000000001 RCX: 0000000000000000 [ 49.818650] RDX: 0000000000000000 RSI: ffff91263ad1bf70 RDI: ffffffff9fd9ae90 [ 49.826617] RBP: ffffffffa01e5df0 R08: 0000000000000001 R09: 0000000000000001 [ 49.834585] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 49.842554] R13: ffff9df58149ff10 R14: ffff9df58149ff10 R15: ffff9125c3246000 [ 49.850524] FS: 00007f3d948be580(0000) GS:ffff91263ac80000(0000) knlGS:0000000000000000 [ 49.859561] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.865977] CR2: 0000000000000000 CR3: 0000000104ff8005 CR4: 00000000003706e0 [ 49.873963] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 49.883876] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 832, name: cat [ 49.892234] INFO: lockdep is turned off. [ 49.896610] irq event stamp: 0 [ 49.900030] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 49.907029] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 49.916164] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 49.925300] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 49.932300] CPU: 1 PID: 832 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 49.940853] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 49.947658] Call Trace: [ 49.950384] dump_stack+0x77/0x9b [ 49.954074] ___might_sleep.cold+0xa6/0xb6 [ 49.958648] exit_signals+0x1c/0x2e0 [ 49.962637] do_exit+0xd5/0xb00 [ 49.966140] ? ksys_write+0x68/0xf0 [ 49.970024] rewind_stack_do_exit+0x17/0x20 [ 49.974695] RIP: 0033:0x7f3d947d48f3 [ 49.978682] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 49.999669] RSP: 002b:00007fffa82ed158 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 50.008126] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f3d947d48f3 [ 50.016094] RDX: 000000000000000a RSI: 00007f3d946c7000 RDI: 0000000000000001 [ 50.024063] RBP: 00007f3d946c7000 R08: 00007f3d946c6010 R09: 0000000000000000 [ 50.032032] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 50.040019] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 (0): [] copy_process+0x640/0x1c80 # [ 48.796625] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 48.809879] ---[ end trace 7f9e6aa75646ed55 ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ 48.918585] lkdtm: Performing direct entry WARNING_MESSAGE # [ 48.926820] ------------[ cut here ]------------ # [ 48.938194] Warning message trigger count: 2 # [ 48.949211] WARNING: CPU: 1 PID: 800 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 48.965598] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 48.998239] CPU: 1 PID: 800 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 49.013018] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 49.019828] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 49.031680] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 61 fc 93 02 48 c7 c7 90 ad 18 a0 8d 70 01 89 35 51 fc 93 02 e8 2b 1f 66 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 # [ 49.052669] RSP: 0018:ffff9df58159fe60 EFLAGS: 00010286 # [ 49.064714] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 # [ 49.072688] RDX: ffff91263acac660 RSI: ffff91263ac9bf70 RDI: ffff91263ac9bf70 # [ 49.086870] RBP: ffffffffa018a837 R08: 0000000000000000 R09: 0000000000000000 # [ 49.094843] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 # [ 49.109027] R13: ffff9df58159ff10 R14: ffff9df58159ff10 R15: ffff9125c3300000 # [ 49.117015] FS: 00007f9b0bc5c580(0000) GS:ffff91263ac80000(0000) knlGS:0000000000000000 # [ 49.132266] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 49.144895] CR2: 00007f9b0ba65000 CR3: 0000000104eca003 CR4: 00000000003706e0 # [ 49.152867] Call Trace: # [ 49.161808] direct_entry.cold+0x2c/0x38 # [ 49.172406] full_proxy_write+0x53/0x80 # [ 49.182902] vfs_write+0xe7/0x3a0 # [ 49.192816] ksys_write+0x68/0xf0 # [ 49.202741] do_syscall_64+0x30/0x40 # [ 49.212961] entry_SYSCALL_64_after_hwframe[ 50.265613] lkdtm: Performing direct entry CORRUPT_LIST_ADD [ 50.277960] lkdtm: attempting good list addition [ 50.283127] lkdtm: attempting corrupted list addition [ 50.288772] lkdtm: list_add() corruption not detected! +0x61/0xc6 # [ 49.224815] RIP: 0033:0x7f9b0bb728f3 # [ 49.235028] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 49.256045] RSP: 002b:00007ffea3afee38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 49.270690] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f9b0bb728f3 # [ 49.284873] RDX: 0000000000000010 RSI: 00007f9b0ba65000 RDI: 0000000000000001 # [ 49.292846] RBP: 00007f9b0ba65000 R08: 00007f9b0ba64010 R09: 0000000000000000 # [ 49.307028] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 49.315020] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 49.329204] irq event stamp: 0 # [ 49.338822] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 49.345827] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 49.361171] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 49.370312] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 49.383520] ---[ end trace 7f9e6aa75646ed56 ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCEPTION.sh # Kille[ 50.421007] lkdtm: Performing direct entry CORRUPT_LIST_DEL [ 50.431298] lkdtm: attempting good list removal [ 50.436380] lkdtm: attempting corrupted list removal [ 50.441956] lkdtm: list_del() corruption not detected! d # [ 49.460521] lkdtm: Performing direct entry EXCEPTION # [ 49.468829] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 49.482794] #PF: supervisor write access in kernel mode # [ 49.488627] #PF: error_code(0x0002) - not-present page # [ 49.494364] PGD 0 P4D 0 # [ 49.497190] Oops: 0002 [#2] SMP PTI # [ 49.501081] CPU: 1 PID: 832 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 49.509632] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 49.516440] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 # [ 49.521398] Code: 48 c7 c7 90 ad 18 a0 8d 70 01 89 35 51 fc 93 02 e8 2b 1f 66 00 0f 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 04 25 00 00 00 00 00 00 00 00 c3 cc cc cc cc 66 66 2e 0f 1f 84 # [ 49.548593] RSP: 0018:ffff9df58160fe60 EFLAGS: 00010286 # [ 49.554426] RAX: ffffffff9f0de8f0 RBX: 0000000000000004 RCX: 0000000000000000 # [ 49.562395] RDX: 0000000000000000 RSI: ffff91263ac9bf70 RDI: ffffffff9fd9aec0 # [ 49.570363] RBP:[ 50.541881] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING [ 50.554209] lkdtm: attempting bad read from page below current stack [ 50.561320] BUG: stack guard page was hit at 00000000fa6efb6f (stack is 000000009d7b9982..000000004f236a3b) [ 50.572212] kernel stack overflow (page fault): 0000 [#3] SMP PTI ffffffffa00bfd07 R08: 0000000000000000 R09: 0000000000000000 #[ 50.579021] CPU: 3 PID: 1057 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 50.593887] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 50.600695] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a [ 50.607209] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 30 b1 18 a0 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 cf a0 fd ff 48 c7 c7 70 b1 18 a0 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 b5 a0 fd ff 0f 1f 44 [ 50.628188] RSP: 0018:ffff9df581967e50 EFLAGS: 00010246 [ 50.634015] RAX: 0000000000000038 RBX: ffff9df581964000 RCX: 0000000000000000 [ 50.641978] RDX: 0000000000000000 RSI: ffff91263ad9bf70 RDI: ffffffffa018b170 [ 50.649963] RBP: ffffffffa018a89a R08: 0000000000000000 R09: 0000000000000000 [ 50.657936] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 [ 50.665898] R13: ffff9df581967f10 R14: ffff9df581967f10 R15: ffff9125c6456000 [ 50.673870] FS: 00007fb430905580(0000) GS:ffff91263ad80000(0000) knlGS:0000000000000000 [ 50.682909] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.689326] CR2: ffff9df581963fff CR3: 0000000104f1c003 CR4: 00000000003706e0 [ 50.697296] Call Trace: [ 50.700023] ? lkdtm_CORRUPT_LIST_DEL+0xe0/0xe0 [ 50.705082] direct_entry.cold+0x2c/0x38 [ 50.709464] full_proxy_write+0x53/0x80 [ 50.713745] vfs_write+0xe7/0x3a0 [ 50.717445] ksys_write+0x68/0xf0 [ 50.721144] do_syscall_64+0x30/0x40 [ 50.725124] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 50.730764] RIP: 0033:0x7fb43081b8f3 [ 50.734754] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 50.755740] RSP: 002b:00007ffc05fdebb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 50.764198] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fb43081b8f3 [ 50.772169] RDX: 0000000000000019 RSI: 00007fb43070e000 RDI: 0000000000000001 [ 50.780138] RBP: 00007fb43070e000 R08: 00007fb43070d010 R09: 0000000000000000 [ 50.788108] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 50.796080] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 50.804057] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 49.578332] R10: 00000000ffffe000 R11: 3fffffffffffffff R12:[ 50.830516] ---[ end trace 7f9e6aa75646ed58 ]--- [ 50.841886] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 50.846262] Code: 89 ff e8 2e b6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 fc 93 02 [ 50.867251] RSP: 0018:ffff9df58149fe60 EFLAGS: 00010286 [ 50.873077] RAX: ffffffff9f0de890 RBX: 0000000000000001 RCX: 0000000000000000 [ 50.881048] RDX: 0000000000000000 RSI: ffff91263ad1bf70 RDI: ffffffff9fd9ae90 [ 50.889018] RBP: ffffffffa01e5df0 R08: 0000000000000001 R09: 0000000000000001 [ 50.897004] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 50.904980] R13: ffff9df58149ff10 R14: ffff9df58149ff10 R15: ffff9125c3246000 [ 50.912965] FS: 00007fb430905580(0000) GS:ffff91263ad80000(0000) knlGS:0000000000000000 [ 50.922019] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.928435] CR2: ffff9df581963fff CR3: 0000000104f1c003 CR4: 00000000003706e0 [ 50.936405] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 50.946320] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1057, name: cat [ 50.954766] INFO: lockdep is turned off. [ 50.959142] irq event stamp: 0 [ 50.962549] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 50.969548] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 50.978676] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 50.987813] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 50.994813] CPU: 3 PID: 1057 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 51.003463] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 51.010269] Call Trace: [ 51.013013] dump_stack+0x77/0x9b [ 51.016705] ___might_sleep.cold+0xa6/0xb6 [ 51.021278] exit_signals+0x1c/0x2e0 [ 51.025269] do_exit+0xd5/0xb00 [ 51.028763] ? ksys_write+0x68/0xf0 [ 51.032658] rewind_stack_do_exit+0x17/0x20 [ 51.037327] RIP: 0033:0x7fb43081b8f3 [ 51.041316] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 51.062303] RSP: 002b:00007ffc05fdebb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 51.070761] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fb43081b8f3 [ 51.078731] RDX: 0000000000000019 RSI: 00007fb43070e000 RDI: 0000000000000001 [ 51.086700] RBP: 00007fb43070e000 R08: 00007fb43070d010 R09: 0000000000000000 [ 51.094672] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 51.102643] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 000000000000000a # [ 49.586300] R13: ffff9df58160ff10 R14: ffff9df58160ff10 R15: ffff9125c3d07000 # [ 49.594269] FS: 00007f3d948be580(0000) GS:ffff91263ac80000(0000) knlGS:0000000000000000 # [ 49.603305] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 49.609719] CR2: 0000000000000000 CR3: 0000000104ff8005 CR4: 00000000003706e0 # [ 49.617686] Call Trace: # [ 49.620416] direct_entry.cold+0x2c/0x38 # [ 49.631013] full_proxy_write+0x53/0x80 # [ 49.641509] vfs_write+0xe7/0x3a0 # [ 49.645209] ksys_write+0x68/0xf0 # [ 49.655120] do_syscall_64+0x30/0x40 # [ 49.659109] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 49.664748] RIP: 0033:0x7f3d947d48f3 # [ 49.668726] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 e[ 51.197135] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING [ 51.204790] lkdtm: attempting bad read from page above current stack c 28 48 89 54 24 18 # [ 49.689706] RSP: 002b:00007fffa82ed158[ 51.211904] BUG: stack guard page was hit at 00000000300c713d (stack is 000000008517450e..0000000023576ed1) [ 51.228995] kernel stack overflow (page fault): 0000 [#4] SMP PTI [ 51.235801] CPU: 2 PID: 1090 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 51.244452] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 51.251261] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 49.698159] R[ 51.257874] Code: a0 fd ff 0f 1f 44 00 00 53 48 c7 c7 a8 b1 18 a0 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 95 a0 fd ff 48 c7 c7 e8 b1 18 a0 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 78 a0 fd ff [ 51.285075] RSP: 0018:ffff9df5819e7e50 EFLAGS: 00010246 [ 51.290911] RAX: 0000000000000038 RBX: ffff9df5819e4000 RCX: 0000000000000000 [ 51.298884] RDX: 0000000000000000 RSI: ffff91263ad1bf70 RDI: ffffffffa018b1e8 [ 51.306853] RBP: ffffffffa018a8b3 R08: 0000000000000000 R09: 0000000000000000 [ 51.314824] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a [ 51.322794] R13: ffff9df5819e7f10 R14: ffff9df5819e7f10 R15: ffff9125c4e79000 [ 51.330765] FS: 00007f6d235f5580(0000) GS:ffff91263ad00000(0000) knlGS:0000000000000000 [ 51.339804] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.346220] CR2: ffff9df5819e8000 CR3: 0000000105b82004 CR4: 00000000003706e0 [ 51.354192] Call Trace: [ 51.356921] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a [ 51.362755] direct_entry.cold+0x2c/0x38 [ 51.367136] full_proxy_write+0x53/0x80 [ 51.371418] vfs_write+0xe7/0x3a0 [ 51.375118] ksys_write+0x68/0xf0 [ 51.378817] do_syscall_64+0x30/0x40 [ 51.382808] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 51.388448] RIP: 0033:0x7f6d2350b8f3 [ 51.392437] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 51.413417] RSP: 002b:00007ffd1cdf20d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 51.421874] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f6d2350b8f3 [ 51.429846] RDX: 000000000000001a RSI: 00007f6d233fe000 RDI: 0000000000000001 [ 51.437815] RBP: 00007f6d233fe000 R08: 00007f6d233fd010 R09: 0000000000000000 [ 51.445786] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 51.453757] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 51.461732] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 51.488205] ---[ end trace 7f9e6aa75646ed59 ]--- [ 51.493358] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 51.497733] Code: 89 ff e8 2e b6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 fc 93 02 [ 51.518720] RSP: 0018:ffff9df58149fe60 EFLAGS: 00010286 [ 51.524554] RAX: ffffffff9f0de890 RBX: 0000000000000001 RCX: 0000000000000000 [ 51.532524] RDX: 0000000000000000 RSI: ffff91263ad1bf70 RDI: ffffffff9fd9ae90 [ 51.540495] RBP: ffffffffa01e5df0 R08: 0000000000000001 R09: 0000000000000001 [ 51.548465] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 51.556434] R13: ffff9df58149ff10 R14: ffff9df58149ff10 R15: ffff9125c3246000 [ 51.564404] FS: 00007f6d235f5580(0000) GS:ffff91263ad00000(0000) knlGS:0000000000000000 [ 51.573445] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.579860] CR2: ffff9df5819e8000 CR3: 0000000105b82004 CR4: 00000000003706e0 AX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f3d947d48f3 # [ 49.706127] RDX: 000000000000000a RSI: 00007f3d946c7000 RDI: 0000000000000001 # [ 49.714095] RBP: 00007f3d946c7000 R08: 00007f3d946c6010 R09: 0000000000000000 # [ 49.722062] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 49.730029] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 49.738017] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 49.770654] CR2: 0000000000000000 # [ 49.774341] ---[ end trace 7f9e6aa75646ed57 ]--- # [ 49.779493] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 49.783870] Code: 89 ff e8 2e b6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c[ 51.671328] lkdtm: Performing direct entry UNSET_SMEP 0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44[ 51.680527] lkdtm: trying to clear SMEP normally 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 8[ 51.691904] ------------[ cut here ]------------ 0 fc 93 02 # [ 49.804852] RSP: 0018:ffff9df58149fe60 EFLAGS: [ 51.703272] pinned CR4 bits changed: 0x100000!? 00010286 # [ 49.810683] RAX: ffffffff9f0de890 RBX: 0000000000[ 51.714552] WARNING: CPU: 1 PID: 1126 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60 000001 RCX: 0000000000000000 # [ 49.818650] RDX: 000000000000[ 51.730969] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 0000 RSI: ffff91263ad1bf70 RDI: ffffffff9fd9ae90 # [ 49.82661[ 51.763610] CPU: 1 PID: 1126 Comm: cat Tainted: G D W 5.10.145-cip17 #1 7] RBP: ffffffffa01e5df0 R08: 0000000000000001 R09: 000000000000[ 51.778477] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 0001 # [ 49.834585] R10: 00000000ffffe000 R11: 3fffffffffffff[ 51.791502] RIP: 0010:native_write_cr4+0x45/0x60 ff R12: 0000000000000004 # [ 49.842554] R13: ffff9df58149ff10[ 51.802875] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d 41 a3 e3 01 00 75 f2 48 c7 c7 48 9d 0c a0 c6 05 31 a3 e3 01 01 e8 c6 c0 e7 00 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 R14: ffff9df58149ff10 R15: ffff9125c3246000 # [ 49.850524] F[ 51.830077] RSP: 0018:ffff9df581a3fe48 EFLAGS: 00010286 S: 00007f3d948be580(0000) GS:ffff91263ac80000(0000) knlGS:00000[ 51.842132] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 0000000000000000 00000000000 # [ 49.859561] CS: 0010 DS: 0000 ES: 0000 CR0: 0[ 51.856325] RDX: ffff91263acac660 RSI: ffff91263ac9bf70 RDI: ffff91263ac9bf70 000000080050033 # [ 49.865977] CR2: 0000000000000000 CR3: 000[ 51.870512] RBP: ffffffffa018a8cd R08: 0000000000000000 R09: 0000000000000000 0000104ff8005 CR4: 00000000003706e0 # [ 49.873963] BUG: sleep[ 51.884702] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b ing function called from invalid context at include/linux/percpu[ 51.898891] R13: ffff9df581a3ff10 R14: ffff9df581a3ff10 R15: ffff9125c32b7000 -rwsem.h:49 # [ 49.883876] in_atomic(): 0, irqs_disabled(): 1[ 51.913076] FS: 00007f08faba6580(0000) GS:ffff91263ac80000(0000) knlGS:0000000000000000 , non_block: 0, pid: 832, name: cat # [ 49.892234] INFO: lock[ 51.928346] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 dep is turned off. # [ 49.896610] irq event stamp: 0 # [ 4[ 51.940971] CR2: 00007f08fa9af000 CR3: 0000000103c96006 CR4: 00000000003706e0 9.900030] hardirqs last enabled at (0): [<0000000000000000>] 0x[ 51.955155] Call Trace: 0 # [ 49.907029] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 49.916164] softirqs las[ 51.975181] direct_entry.cold+0x2c/0x38 t enabled at (0): [] copy_process+0x640/0x1c8[ 51.985776] full_proxy_write+0x53/0x80 0 # [ 49.925300] softirqs last disabled at (0): [<00000000000[ 51.996273] vfs_write+0xe7/0x3a0 00000>] 0x0 # [ 49.932300] CPU: 1 PID: 832 Comm: cat Tainted:[ 51.996276] ksys_write+0x68/0xf0 [ 51.996282] do_syscall_64+0x30/0x40 G D W 5.10.145-cip17 #1 # [ 49.940853] Hardware[ 52.020096] entry_SYSCALL_64_after_hwframe+0x61/0xc6 name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 49.947658] [ 52.031948] RIP: 0033:0x7f08faabc8f3 Call Trace: # [ 49.950384] dump_stack+0x77/0x9b # [ 49.95[ 52.042159] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 4074] ___might_sleep.cold+0xa6/0xb6 # [ 49.958648] exit_sig[ 52.069359] RSP: 002b:00007fff3c702bd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 nals+0x1c/0x2e0 # [ 49.962637] do_exit+0xd5/0xb00 # [ 49.[ 52.084033] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f08faabc8f3 966140] ? ksys_write+0x68/0xf0 # [ 49.970024] rewind_stack_[ 52.098223] RDX: 000000000000000b RSI: 00007f08fa9af000 RDI: 0000000000000001 do_exit+0x17/0x20 # [ 49.974695] RIP: 0033:0x7f3d947d48f3 # [ 52.112409] RBP: 00007f08fa9af000 R08: 00007f08fa9ae010 R09: 0000000000000000 [ 49.978682] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 f[ 52.126597] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 f ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8[ 52.140788] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 8[ 52.154983] irq event stamp: 0 3 ec 28 48 89 54 24 18 # [ 49.999669] RSP: 002b:00007fffa82ed[ 52.164605] hardirqs last enabled at (0): [<0000000000000000>] 0x0 158 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 50.008126[ 52.177823] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 ] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f3d947d4[ 52.193178] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 8f3 # [ 50.016094] RDX: 000000000000000a RSI: 00007f3d946c700[ 52.208533] softirqs last disabled at (0): [<0000000000000000>] 0x0 0 RDI: 0000000000000001 # [ 50.024063] RBP: 00007f3d946c7000 [ 52.221752] ---[ end trace 7f9e6aa75646ed5a ]--- R08: 00007f3d946c6010 R09: 0000000000000000 # [ 50.032032] R1[ 52.233123] lkdtm: ok: SMEP did not get cleared [ 52.244401] lkdtm: trying to clear SMEP with call gadget 0: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001[ 52.250337] lkdtm: ok: SMEP removal was reverted # [ 50.040019] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXCEPTION: saw 'call trace:': ok ok 5 selftests: lkdtm: EXCEPTION.sh # selftests: lkdtm: LOOP.sh # Skipping LOOP: Hangs the system ok 6 selftests: lkdtm: LOOP.sh # SKIP # selftests: lkdtm: EXHAUST_STACK.sh # Skipping EXHAUST_STACK: Corrupts memory on failure ok 7 selftests: lkdtm: EXHAUST_STACK.sh # SKIP # selftests: lkdtm: CORRUPT_STACK.sh # Skipping CORRUPT_STACK: Crashes entire system on success ok 8 selftests: lkdtm: CORRUPT_STACK.sh # SKIP # selftests: lkdtm: CORRUPT_STACK_STRONG.sh # Skipping CORRUPT_STACK_STRONG: Crashes entire system on success ok 9 selftests: lkdtm: CORRUPT_STACK_STRONG.sh # SKIP # selftests: lkdtm: CORRUPT_LIST_ADD.sh # [ 50.265613] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 50.277960] lkdtm: attempting good list addition # [ 50.283127] lkd[ 52.343271] lkdtm: Performing direct entry DOUBLE_FAULT tm: attempting corrupted list addition # [ 50.288772] lkdtm: [ 52.354574] lkdtm: XFAIL: this test is ia32-only list_add() corruption not detected! # CORRUPT_LIST_ADD: missing 'list_add corruption': [FAIL] not ok 10 selftests: lkdtm: CORRUPT_LIST_ADD.sh # exit=1 # selftests: lkdtm: CORRUPT_LIST_DEL.sh # [ 50.421007] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 50.431298] lkdtm: attempting good list removal # [ 50.436380] lkdtm: attempting corrupted list removal # [ 50.441956] lkdtm: list_del() corruption not detected! # CORRUPT_LIST_DEL: missing 'list_del corruption': [FAIL] not ok 11 selftests: lkdtm: CORRUPT_LIST_DEL.sh # exit=1 # selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh # Segmentation fault # [ 50.541881] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 50.554209] lkdtm: attempting bad read from page below current stack # [ 50.561320] BUG: stack guard page was hit at 00000000fa[ 52.442335] lkdtm: Performing direct entry CORRUPT_PAC [ 52.452481] lkdtm: XFAIL: this test is arm64-only 6efb6f (stack is 000000009d7b9982..000000004f236a3b) # [ 50.572212] kernel stack overflow (page fault): 0000 [#3] SMP PTI # [ 50.579021] CPU: 3 PID: 1057 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 50.593887] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 50.600695] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a # [ 50.607209] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 30 b1 18 a0 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 cf a0 fd ff 48 c7 c7 70 b1 18 a0 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 b5 a0 fd ff 0f 1f 44 # [ 50.628188] RSP: 0018:ffff9df581967e50 EFLAGS: 00010246 # [ 50.634015] RAX: 0000000000000038 RBX: ffff9df581964000 RCX: 0000000000000000 # [ 50.641978] RDX: 0000000000000000 RSI: ffff91263ad9bf70 RDI: ffffffffa018b170 # [ 50.649963] RBP: ffffffffa018a89a R08: 0000000000000000 R09: 0000000000000000 # [ 50.657936] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000[ 52.546715] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE 000000000019 # [ 50.665898] R13: ffff9df581967f10 R14: ffff9d[ 52.558215] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS f581967f10 R15: ffff9125c6456000 # [ 50.673870] FS: 00007fb430905580(0000) GS:ffff91263ad80000(0000) knlGS:0000000000000000 # [ 50.682909] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 50.689326] CR2: ffff9df581963fff CR3: 0000000104f1c003 CR4: 00000000003706e0 # [ 50.697296] Call Trace: # [ 50.700023] ? lkdtm_CORRUPT_LIST_DEL+0xe0/0xe0 # [ 50.705082] direct_entry.cold+0x2c/0x38 # [ 50.709464] full_proxy_write+0x53/0x80 # [ 50.713745] vfs_write+0xe7/0x3a0 # [ 50.717445] ksys_write+0x68/0xf0 # [ 50.721144] do_syscall_64+0x30/0x40 # [ 50.725124] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 50.730764] RIP: 0033:0x7fb43081b8f3 # [ 50.734754] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 50.755740] RSP: 002b:00007ffc05fdebb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 50.764198] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fb43081b8f3 # [ 50.772169] RDX: 0000000000000019 RSI: 00007fb43070e000 RDI: 0000000000000001 # [ 50.780138] RBP: 00007fb43070e000 R08: 00007fb43070d010 R09: 0000000000000000 # [ 50.788108] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 50.796080] R13: 0000000000000001 R14: 0000000000020000 R15: 000000000002000[ 52.707375] lkdtm: Performing direct entry READ_AFTER_FREE 0 # [ 50.804057] Modules linked in: fuse ip_tables cros_ec_se[ 52.714876] lkdtm: Value in memory before free: 12345678 nsors cros_ec_sensors_core industrialio_triggered_buffer kfifo_b[ 52.727037] lkdtm: Attempting bad read from freed memory uf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar c[ 52.739179] lkdtm: Memory was not poisoned ros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 50.830516] ---[ end trace 7f9e6aa75646ed58 ]--- # [ 50.841886] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 50.846262] Code: 89 ff e8 2e b6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 fc 93 02 # [ 50.867251] RSP: 0018:ffff9df58149fe60 EFLAGS: 00010286 # [ 50.873077] RAX: ffffffff9f0de890 RBX: 0000000000000001 RCX: 0000000000000000 # [ 50.881048] RDX: 0000000000000000 RSI: ffff91263ad1bf70 RDI: ffffffff9fd9ae90 # [ 50.889018] RBP: ffffffffa01e5df0 R08: 0000000000000001 R09: 0000000000000001 # [ 50.897004] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 50.904980] R13: ffff9df58149ff10 R14: ffff9df58149ff10 R15: ffff9125c3246000 # [ 50.912965] FS: 00007fb430905580(0000) GS:ffff91263ad80000(0000) knlGS:0000000000000000 # [ 50.922019] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 50.928435] CR2: ffff9df581963fff CR3: 0000000104f1c003 CR4: 00000000003706e0 # [ 50.936405] B[ 52.855645] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE UG: sleeping function called from invalid context at include/lin[ 52.868562] lkdtm: Value in memory before free: 12345678 ux/percpu-rwsem.h:49 # [ 50.946320] in_atomic(): 0, irqs_disa[ 52.880727] lkdtm: Attempting to read from freed memory [ 52.892758] lkdtm: Buddy page was not poisoned bled(): 1, non_block: 0, pid: 1057, name: cat # [ 50.954766] INFO: lockdep is turned off. # [ 50.959142] irq event stamp: 0 # [ 50.962549] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 50.969548] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 50.978676] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 50.987813] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 50.994813] CPU: 3 PID: 1057 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 51.003463] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 51.010269] Call Trace: # [ 51.013013] dump_stack+0x77/0x9b # [ 51.016705] ___might_sleep.cold+0xa6/0xb6 # [ 51.021278] exit_signals+0x1c/0x2e0 # [ 51.025269] do_exit+0xd5/0xb00[ 52.974115] lkdtm: Performing direct entry SLAB_FREE_DOUBLE [ 52.984743] lkdtm: Attempting double slab free ... # [ 51.028763] ? ksys_write+0x68/0xf0 # [ 51.032658] rewind_stack_do_exit+0x17/0x20 # [ 51.037327] RIP: 0033:0x7fb43081b8f3 # [ 51.041316] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 51.062303] RSP: 002b:00007ffc05fdebb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 51.070761] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fb43081b8f3 # [ 51.078731] RDX: 0000000000000019 RSI: 00007fb43070e000 RDI: 0000000000000001 # [ 51.086700] RBP: 00007fb43070e000 R08: 00007fb43070d010 R09: 0000000000000000 # [ 51.094672] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 51.102643] R13: 0000000000000001 R14: 00000000[ 53.066414] lkdtm: Performing direct entry SLAB_FREE_CROSS [ 53.077092] lkdtm: Attempting cross-cache slab free ... 00020000 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 # [ 51.197135] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 51.204790] lkdtm: attempting bad read from page above current stack # [ 51.211904] BUG: stack guard page was hit at 00000000300c713d (stack is 000000008517450e..0000000023576ed1) # [ 51.228995] kernel stack overflow (page fault): 0000 [#4] SMP PTI # [ 51.235801] CPU: 2 PID: 1090 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 51.244452] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 51.251261] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d # [ 51.257874] Code: a0 fd ff 0f 1f 44 00 00 53 48 c7[ 53.161885] lkdtm: Performing direct entry SLAB_FREE_PAGE c7 a8 b1 18 a0 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 95 [ 53.169825] lkdtm: Attempting non-Slab slab free ... a0 fd ff 48 c7 c7 e8 b1 18 a0 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 78 a0 fd ff # [ 51.285075] RSP: 0018:ffff9df5819e7e50 EFLAGS: 00010246 # [ 51.290911] RAX: 0000000000000038 RBX: ffff9df5819e4000 RCX: 0000000000000000 # [ 51.298884] RDX: 0000000000000000 RSI: ffff91263ad1bf70 RDI: ffffffffa018b1e8 # [ 51.306853] RBP: ffffffffa018a8b3 R08: 0000000000000000 R09: 0000000000000000 # [ 51.314824] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a # [ 51.322794] R13: ffff9df5819e7f10 R14: ffff9df5819e7f10 R15: ffff9125c4e79000 # [ 51.330765] FS: 00007f6d235f5580(0000) GS:ffff91263ad00000(0000) knlGS:0000000000000000 # [ 51.339804] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 51.346220] CR2: ffff9df5819e8000 CR3: 0000000105b82004 CR4: 00000000003706e0 # [ 51.354192] Call Trace: # [ 51.356921] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a # [ 51.362755] direct_entry.cold+0x2c/0x38 # [ 51.367136] full_proxy_write+0x53/0x80 # [ 51.371418] vfs_write+0xe7/0x3a0 # [ 51.375118] ksys_write+0x68/0xf0 # [ 51.378817] do_syscall_64+0x30/0x40 # [ 51.382808] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 51.388448] RIP: 0033:0x7f6d2350b8f3 # [ 51.392437] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 51.413417] RSP: 002b:00007ffd1cdf20d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 51.421874] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f6d2350b8f3 # [ 51.429846] RDX: 000000000000001a RSI: 00007f6d233fe000 RDI: 0000000000000001 # [ 51.437815] RBP: 00007f6d233fe000 R08: 00007f6d233fd010 R09: 0000000000000000 # [ 51.445786] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 51.453757] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 51.461732] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub cros[ 53.391281] lkdtm: Performing direct entry EXEC_DATA [ 53.398440] lkdtm: attempting ok execution at ffffffff9f0dec60 [ 53.404965] lkdtm: attempting bad execution at ffffffffa1a1e560 _ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 53.411586] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 53.426149] BUG: unable to handle page fault for address: ffffffffa1a1e560 [ 53.433820] #PF: supervisor instruction fetch in kernel mode [ 53.440140] #PF: error_code(0x0011) - permissions violation [ 53.446351] PGD 2f229067 P4D 2f229067 PUD 2f22a063 PMD 80000000308000e3 [ 53.453838] Oops: 0011 [#5] SMP PTI [ 53.457730] CPU: 2 PID: 1633 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 53.466381] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 53.473188] RIP: 0010:data_area+0x0/0x40 [ 53.477567] Code: ff ff 00 f5 25 c4 25 91 ff ff 00 f4 25 c4 25 91 ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 [ 53.498551] RSP: 0018:ffff9df582217e48 EFLAGS: 00010246 [ 53.504385] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 53.512356] RDX: 0000000000000000 RSI: ffff91263ad1bf70 RDI: ffff91263ad1bf70 [ 53.520327] RBP: ffffffffa1a1e560 R08: 0000000000000000 R09: 0000000000000000 [ 53.528295] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 53.536265] R13: ffff9df582217f10 R14: ffff9df582217f10 R15: ffff9125c5822000 [ 53.544234] FS: 00007fc5dd41c580(0000) GS:ffff91263ad00000(0000) knlGS:0000000000000000 [ 53.553269] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.559683] CR2: ffffffffa1a1e560 CR3: 0000000103df0005 CR4: 00000000003706e0 [ 53.567653] Call Trace: [ 53.570381] ? execute_location+0x45/0x56 [ 53.574854] ? direct_entry.cold+0x2c/0x38 [ 53.579428] ? full_proxy_write+0x53/0x80 [ 53.583903] ? vfs_write+0xe7/0x3a0 [ 53.587795] ? ksys_write+0x68/0xf0 [ 53.591689] ? do_syscall_64+0x30/0x40 [ 53.595873] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 53.601702] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 51.488205] ---[ end trace 7f9e6aa75646ed59 ]--- # [ 51.[ 53.628153] CR2: ffffffffa1a1e560 [ 53.638065] ---[ end trace 7f9e6aa75646ed5b ]--- [ 53.643220] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 53.647596] Code: 89 ff e8 2e b6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 fc 93 02 [ 53.668580] RSP: 0018:ffff9df58149fe60 EFLAGS: 00010286 [ 53.674414] RAX: ffffffff9f0de890 RBX: 0000000000000001 RCX: 0000000000000000 [ 53.682384] RDX: 0000000000000000 RSI: ffff91263ad1bf70 RDI: ffffffff9fd9ae90 [ 53.690355] RBP: ffffffffa01e5df0 R08: 0000000000000001 R09: 0000000000000001 [ 53.698325] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 53.706295] R13: ffff9df58149ff10 R14: ffff9df58149ff10 R15: ffff9125c3246000 [ 53.714264] FS: 00007fc5dd41c580(0000) GS:ffff91263ad00000(0000) knlGS:0000000000000000 [ 53.723303] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.729720] CR2: ffffffffa1a1e560 CR3: 0000000103df0005 CR4: 00000000003706e0 [ 53.737692] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 53.747604] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1633, name: cat [ 53.756059] INFO: lockdep is turned off. [ 53.760436] irq event stamp: 0 [ 53.763841] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 53.770843] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 53.779979] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 53.789106] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 53.796104] CPU: 2 PID: 1633 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 53.804752] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 53.811555] Call Trace: [ 53.814283] dump_stack+0x77/0x9b [ 53.817982] ___might_sleep.cold+0xa6/0xb6 [ 53.822554] exit_signals+0x1c/0x2e0 [ 53.826543] do_exit+0xd5/0xb00 [ 53.830037] ? ksys_write+0x68/0xf0 [ 53.833931] rewind_stack_do_exit+0x17/0x20 [ 53.838600] RIP: 0033:0x7fc5dd3328f3 [ 53.842579] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 53.863562] RSP: 002b:00007fff90bd3788 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 53.872011] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fc5dd3328f3 [ 53.879981] RDX: 000000000000000a RSI: 00007fc5dd225000 RDI: 0000000000000001 [ 53.887965] RBP: 00007fc5dd225000 R08: 00007fc5dd224010 R09: 0000000000000000 [ 53.895936] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 53.903907] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 493358] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 51.497733] Code: 89 ff e8 2e b6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 fc 93 02 # [ 51.518720] RSP: 0018:ffff9df58149fe60 EFLAGS: 00010286 # [ 51.524554] RAX: ffffffff9f0de890 RBX: 0000000000000001 RCX: 0000000000000000 # [ 51.532524] RDX: 0000000000000000 RSI: ffff91263ad1bf70 RDI: ffffffff9fd9ae90 # [ 51.540495] RBP: ffffffffa01e5df0 R08: 0000000000000001 R09: 0000000000000001 # [ 51.548465] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 51.556434] R13: ffff9df58149ff10 R14: ffff9df58149ff10 R15: ffff9125c3246000 # [ 51.564404] FS: 00007f6d235f5580(0000) GS:ffff91263ad00000(0000) knlGS:0000000000000000 # [ 51.573445] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 51.579860] CR2: ffff9df5819e8000 CR3: 0000000105b82004 CR4: 00000000003706e0 # STACK_GUARD_PAGE_TRAILING: saw 'call trace:': ok ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.s[ 54.012163] lkdtm: Performing direct entry EXEC_STACK [ 54.023222] lkdtm: attempting ok execution at ffffffff9f0dec60 [ 54.029774] lkdtm: attempting bad execution at ffff9df5822bfe18 h # selftests: lkdtm: UNSET_SMEP.sh # [ 51.671328] lkdtm: Pe[ 54.036412] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 54.050971] BUG: unable to handle page fault for address: ffff9df5822bfe18 [ 54.058641] #PF: supervisor instruction fetch in kernel mode [ 54.064962] #PF: error_code(0x0011) - permissions violation [ 54.071174] PGD 100000067 P4D 100000067 PUD 100211067 PMD 10319b067 PTE 8000000103c1c063 [ 54.080215] Oops: 0011 [#6] SMP PTI [ 54.084107] CPU: 2 PID: 1669 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 54.092756] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 54.099560] RIP: 0010:0xffff9df5822bfe18 [ 54.103956] Code: 00 00 18 fe 2b 82 f5 9d ff ff 59 c5 76 9f ff ff ff ff 20 00 00 00 00 00 00 00 f6 a9 18 a0 ff ff ff ff 88 c6 76 9f ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 [ 54.124964] RSP: 0018:ffff9df5822bfdf8 EFLAGS: 00010246 [ 54.130797] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 54.138766] RDX: 0000000000000000 RSI: ffff91263ad1bf70 RDI: ffff91263ad1bf70 [ 54.146735] RBP: ffff9df5822bfe18 R08: 0000000000000000 R09: 0000000000000000 [ 54.154704] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b [ 54.162675] R13: ffff9df5822bff10 R14: ffff9df5822bff10 R15: ffff9125c5b9e000 [ 54.170645] FS: 00007fbcb490d580(0000) GS:ffff91263ad00000(0000) knlGS:0000000000000000 [ 54.179683] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.186099] CR2: ffff9df5822bfe18 CR3: 00000001059c6003 CR4: 00000000003706e0 [ 54.194068] Call Trace: [ 54.196798] ? execute_location+0x45/0x56 [ 54.201271] ? lkdtm_EXEC_STACK+0x26/0x44 [ 54.205746] ? direct_entry.cold+0x2c/0x38 [ 54.210320] ? full_proxy_write+0x53/0x80 [ 54.214796] ? vfs_write+0xe7/0x3a0 [ 54.218688] ? ksys_write+0x68/0xf0 [ 54.222580] ? do_syscall_64+0x30/0x40 [ 54.226766] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 54.232605] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify rforming direct entry UNSET_SMEP # [ 51.680527] lkdtm: trying[ 54.259056] CR2: ffff9df5822bfe18 [ 54.268966] ---[ end trace 7f9e6aa75646ed5c ]--- [ 54.274120] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 54.278498] Code: 89 ff e8 2e b6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 fc 93 02 [ 54.299472] RSP: 0018:ffff9df58149fe60 EFLAGS: 00010286 [ 54.305297] RAX: ffffffff9f0de890 RBX: 0000000000000001 RCX: 0000000000000000 [ 54.313266] RDX: 0000000000000000 RSI: ffff91263ad1bf70 RDI: ffffffff9fd9ae90 [ 54.321235] RBP: ffffffffa01e5df0 R08: 0000000000000001 R09: 0000000000000001 [ 54.329205] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 54.337174] R13: ffff9df58149ff10 R14: ffff9df58149ff10 R15: ffff9125c3246000 [ 54.345141] FS: 00007fbcb490d580(0000) GS:ffff91263ad00000(0000) knlGS:0000000000000000 [ 54.354179] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.360594] CR2: ffff9df5822bfe18 CR3: 00000001059c6003 CR4: 00000000003706e0 to clear SMEP normally # [ 51.691904] ------------[ cut here ]------------ # [ 51.703272] pinned CR4 bits changed: 0x100000!? # [ 51.714552] WARNING: CPU: 1 PID: 1126 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60 # [ 51.730969] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 51.763610] CPU: 1 PID: 1126 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 51.778477] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 51.791502] RIP: 0010:native_write_cr4+0x45/0x60 # [ 51.802875] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d 41 a3 e3 01 00 75 f2 48 c7 c7 48 9d 0c a0 c6 05 31 a3 e3 01 01 e8 c6 c0 e7 00 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 # [ 51.830077] RSP: 0018:ffff9df581a3fe48 EFLAGS: 00010286 # [ 51.842132] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 0000000000000000 # [ 51.856325] RDX: ffff91263acac660 RSI: ffff91263ac9bf70 RDI: ffff91263ac9bf70 # [ 51.870512] RBP: ffffffffa018a8cd R08: 0000000000000000 R09: 0000000000000000 # [ 51.884702] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 51.898891] R13: ffff9df581a3ff10 R14: ffff9df581a3ff10 R15: ffff9125c32b7000 # [ 51.913076] FS: 00007f08faba6580(0000) GS:ffff91263ac80000(0000) knlGS:0000000000000000 # [ 51.928346] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 51.940971] CR2: 00007f08fa9af000 CR3: 0000000103c96006 CR4: 00000000003706e0 # [ 51.955155] Call Trace: # [ 51.964100] [ 54.531438] lkdtm: Performing direct entry EXEC_KMALLOC lkdtm_UNSET_SMEP.cold+0x1d/0x103 # [ 51.975181] direct_entry[ 54.542410] lkdtm: attempting ok execution at ffffffff9f0dec60 .cold+0x2c/0x38 # [ 51.985776] full_proxy_write+0x53/0x80 #[ 54.555142] lkdtm: attempting bad execution at ffff9125c3c61500 [ 51.996273] vfs_write+0xe7/0x3a0 # [ 51.996276] ksys_wr[ 54.567976] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 54.582536] BUG: unable to handle page fault for address: ffff9125c3c61500 [ 54.590214] #PF: supervisor instruction fetch in kernel mode [ 54.596529] #PF: error_code(0x0011) - permissions violation [ 54.602749] PGD 30a01067 P4D 30a01067 PUD 10084e063 PMD 103c7e063 PTE 8000000103c61063 ite+0x68/0xf0 # [ 51.996282] do_syscall_64+0x30/0x40 # [ [ 54.611596] Oops: 0011 [#7] SMP PTI [ 54.621697] CPU: 1 PID: 1705 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 54.630344] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 54.637148] RIP: 0010:0xffff9125c3c61500 [ 54.641523] Code: 00 00 02 00 00 00 00 00 00 00 00 13 c6 c3 25 91 ff ff 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 1b 24 90 9e ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 [ 54.662501] RSP: 0018:ffff9df58234fe38 EFLAGS: 00010246 [ 54.668332] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 54.676298] RDX: 0000000000000000 RSI: ffff91263ac9bf70 RDI: ffff91263ac9bf70 [ 54.684266] RBP: ffff9125c3c61500 R08: 0000000000000000 R09: 0000000000000000 [ 54.692232] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 54.700199] R13: ffff9df58234ff10 R14: ffff9df58234ff10 R15: ffff9125c34b1000 [ 54.708169] FS: 00007f887b771580(0000) GS:ffff91263ac80000(0000) knlGS:0000000000000000 [ 54.717203] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.723617] CR2: ffff9125c3c61500 CR3: 000000010326e006 CR4: 00000000003706e0 [ 54.731585] Call Trace: [ 54.734313] ? execute_location+0x45/0x56 52.020096] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 52.0[ 54.738789] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 [ 54.749666] ? direct_entry.cold+0x2c/0x38 [ 54.754228] ? full_proxy_write+0x53/0x80 31948] RIP: 0033:0x7f08faabc8f3 # [ 52.042159] Code: 8b 15 a1[ 54.758704] ? vfs_write+0xe7/0x3a0 [ 54.768804] ? ksys_write+0x68/0xf0 [ 54.772696] ? do_syscall_64+0x30/0x40 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 [ 54.776878] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00[ 54.788925] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 54.821554] CR2: ffff9125c3c61500 [ 54.825249] ---[ end trace 7f9e6aa75646ed5d ]--- [ 54.830401] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 54.834776] Code: 89 ff e8 2e b6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 fc 93 02 [ 54.855752] RSP: 0018:ffff9df58149fe60 EFLAGS: 00010286 [ 54.861584] RAX: ffffffff9f0de890 RBX: 0000000000000001 RCX: 0000000000000000 [ 54.869552] RDX: 0000000000000000 RSI: ffff91263ad1bf70 RDI: ffffffff9fd9ae90 [ 54.877523] RBP: ffffffffa01e5df0 R08: 0000000000000001 R09: 0000000000000001 [ 54.885492] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 54.893463] R13: ffff9df58149ff10 R14: ffff9df58149ff10 R15: ffff9125c3246000 [ 54.901432] FS: 00007f887b771580(0000) GS:ffff91263ac80000(0000) knlGS:0000000000000000 [ 54.910467] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.916882] CR2: ffff9125c3c61500 CR3: 000000010326e006 CR4: 00000000003706e0 [ 54.924848] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 54.934758] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1705, name: cat [ 54.943212] INFO: lockdep is turned off. [ 54.947586] irq event stamp: 0 [ 54.951004] hardirqs last enabled at (0): [<0000000000000000>] 0x0 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ [ 54.958023] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 54.973367] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 54.982492] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 54.989490] CPU: 1 PID: 1705 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 54.998137] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 55.004961] Call Trace: [ 55.007688] dump_stack+0x77/0x9b [ 55.011388] ___might_sleep.cold+0xa6/0xb6 [ 55.015964] exit_signals+0x1c/0x2e0 [ 55.019962] do_exit+0xd5/0xb00 [ 55.023465] ? ksys_write+0x68/0xf0 [ 55.027357] rewind_stack_do_exit+0x17/0x20 [ 55.032027] RIP: 0033:0x7f887b6878f3 [ 55.036018] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 55.057015] RSP: 002b:00007ffda0836ea8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 55.065468] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f887b6878f3 [ 55.073436] RDX: 000000000000000d RSI: 00007f887b57a000 RDI: 0000000000000001 [ 55.081402] RBP: 00007f887b57a000 R08: 00007f887b579010 R09: 0000000000000000 [ 55.089370] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 55.097337] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 52.069359] RSP: 002b:00007fff3c702bd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 52.084033] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f08faabc8f3 # [ 52.098223] RDX: 000000000000000b RSI: 00007f08fa9af000 RDI: 0000000000000001 # [ 52.112409] RBP: 00007f08fa9af000 R08: 00007f08fa9ae010 R09: 0000000000000000 # [ 52.126597] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 52.140788] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 52.154983] irq event stamp: 0 # [ 52.164605] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 52.177823] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 52.193178] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 52.208533] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 52.221752] ---[ end trace 7f9e6aa75646ed5a ]--- # [ 52.233123] lkdtm: ok: SMEP did not get cleared # [ 52.244401] lkdtm: trying to clear SMEP with call gadget # [ 52.250337] lkdtm: ok: SMEP removal was reverted # UNSET_SMEP: saw 'pinned CR4 bits changed:'[ 55.214831] lkdtm: Performing direct entry EXEC_VMALLOC [ 55.223030] lkdtm: attempting ok execution at ffffffff9f0dec60 [ 55.229559] lkdtm: attempting bad execution at ffff9df5806d7000 [ 55.236185] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 55.244551] BUG: unable to handle page fault for address: ffff9df5806d7000 [ 55.252230] #PF: supervisor instruction fetch in kernel mode [ 55.258549] #PF: error_code(0x0011) - permissions violation : o[k ok 14 selftests: lkdtm: UNSET_SMEP.sh # selftests: lkdtm: 55.264771] PGD 100000067 P4D 100000067 PUD 100211067 PMD 104e7b067 PTE 8000000104c58063 [ 55.280032] Oops: 0011 [#8] SMP PTI [ 55.283926] CPU: 3 PID: 1741 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 55.292575] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 55.299378] RIP: 0010:0xffff9df5806d7000 [ 55.303755] Code: Unable to access opcode bytes at RIP 0xffff9df5806d6fd6. [ 55.311433] RSP: 0018:ffff9df5823cfe38 EFLAGS: 00010246 [ 55.317265] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 55.325235] RDX: 0000000000000000 RSI: ffff91263ad9bf70 RDI: ffff91263ad9bf70 [ 55.333205] RBP: ffff9df5806d7000 R08: 0000000000000000 R09: 0000000000000000 [ 55.341173] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 55.349141] R13: ffff9df5823cff10 R14: ffff9df5823cff10 R15: ffff9125c4c58000 [ 55.357109] FS: 00007f1d594d4580(0000) GS:ffff91263ad80000(0000) knlGS:0000000000000000 [ 55.366143] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.372559] CR2: ffff9df5806d6fd6 CR3: 000000010274e001 CR4: 00000000003706e0 [ 55.380518] Call Trace: [ 55.383246] ? execute_location+0x45/0x56 [ 55.387721] ? lkdtm_EXEC_VMALLOC+0x20/0x30 [ 55.392388] ? direct_entry.cold+0x2c/0x38 [ 55.396965] ? full_proxy_write+0x53/0x80 [ 55.401440] ? vfs_write+0xe7/0x3a0 [ 55.405322] ? ksys_write+0x68/0xf0 [ 55.409205] ? do_syscall_64+0x30/0x40 [ 55.413386] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 55.419222] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify DOUBLE_FAULT.sh # [ 52.343271] lkdtm: Performing direct entr[ 55.445673] CR2: ffff9df5806d7000 [ 55.455583] ---[ end trace 7f9e6aa75646ed5e ]--- [ 55.460730] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 55.465107] Code: 89 ff e8 2e b6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 fc 93 02 [ 55.486083] RSP: 0018:ffff9df58149fe60 EFLAGS: 00010286 [ 55.491917] RAX: ffffffff9f0de890 RBX: 0000000000000001 RCX: 0000000000000000 [ 55.499886] RDX: 0000000000000000 RSI: ffff91263ad1bf70 RDI: ffffffff9fd9ae90 [ 55.507856] RBP: ffffffffa01e5df0 R08: 0000000000000001 R09: 0000000000000001 [ 55.515824] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 55.523793] R13: ffff9df58149ff10 R14: ffff9df58149ff10 R15: ffff9125c3246000 [ 55.531761] FS: 00007f1d594d4580(0000) GS:ffff91263ad80000(0000) knlGS:0000000000000000 [ 55.540799] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.547215] CR2: ffff9df5806d6fd6 CR3: 000000010274e001 CR4: 00000000003706e0 y DOUBLE_FAULT # [ 52.354574] lkdtm: XFAIL: this test is ia32-only # DOUBLE_FAULT: saw 'XFAIL': [SKIP] ok 15 selftests: lkdtm: DOUBLE_FAULT.sh # SKIP # selftests: lkdtm: CORRUPT_PAC.sh # [ 52.442335] lkdtm: Performing direct entry CORRUPT_PAC # [ 52.452481] lkdtm: XFAIL: this test is arm64-only # CORRUPT_PAC: saw 'XFAIL': [SKIP] ok 16 selftests: lkdtm: CORRUPT_PAC.sh # SKIP # selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh # [ 52.546715] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 52.558215] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # UNALIGNED_LOAD_STORE_WRITE: saw 'XFAIL': [SKIP] ok 17 selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh # SKIP # selftests: lkdtm: OVERWRITE_ALLOCATION.sh # Skipping OVERWRITE_ALLOCATION: Corrupts memory on failure ok 18 selftests: lkdtm: OVERWRITE_ALLOCATION.sh # SKIP # selftests: lkdtm: WRITE_AFTER_FREE.sh # Skipping WRITE_AFTER_FREE: Corrupts memory on failure ok 19 selftests: lkdtm: WRITE_AFTER_FREE.sh # SKIP # selftests: lkdtm: READ_AFTER_FREE.sh # [ 52.707375] lkdtm: [ 55.655207] lkdtm: Performing direct entry EXEC_RODATA [ 55.666624] lkdtm: attempting ok execution at ffffffff9f0dec60 [ 55.673177] lkdtm: attempting bad execution at ffffffff9fd9b320 [ 55.679841] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) Performing direct entry READ_AFTER_FREE # [ 52.714876] lkdtm:[ 55.688207] BUG: unable to handle page fault for address: ffffffff9fd9b320 [ 55.702102] #PF: supervisor instruction fetch in kernel mode [ 55.708423] #PF: error_code(0x0011) - permissions violation [ 55.714645] PGD 2f229067 P4D 2f229067 PUD 2f22a063 PMD 800000002ea000e1 Value in memory before free: 12345678 # [ 52.727037] lkdtm: [ 55.722133] Oops: 0011 [#9] SMP PTI [ 55.732240] CPU: 3 PID: 1777 Comm: cat Tainted: G D W 5.10.145-cip17 #1 Attempting bad read from freed memory # [ 52.739179] lkdtm: M[ 55.740890] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 em[ory was not poisoned # READ_AFTER_FREE: missing 'call trace:' 55.753914] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 [ 55.765868] Code: ff ff f8 da 76 9f ff ff ff ff 42 ac 18 a0 ff ff ff ff 3e c2 76 9f 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 [ 55.786852] RSP: 0018:ffff9df58246fe48 EFLAGS: 00010246 [ 55.792678] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 55.800640] RDX: 0000000000000000 RSI: ffff91263ad9bf70 RDI: ffff91263ad9bf70 [ 55.808609] RBP: ffffffff9fd9b320 R08: 0000000000000000 R09: 0000000000000000 [ 55.816571] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 55.824540] R13: ffff9df58246ff10 R14: ffff9df58246ff10 R15: ffff9125c28d0000 [ 55.832509] FS: 00007f9425f3e580(0000) GS:ffff91263ad80000(0000) knlGS:0000000000000000 [ 55.841547] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.847966] CR2: ffffffff9fd9b320 CR3: 0000000105bba002 CR4: 00000000003706e0 [ 55.855938] Call Trace: [ 55.858690] ? execute_location+0x45/0x56 [ 55.863165] ? direct_entry.cold+0x2c/0x38 : [FAIL] not ok 20 selftests: lkdtm: READ_AFTER_FREE.sh # exit=[ 55.867733] ? full_proxy_write+0x53/0x80 [ 55.878424] ? vfs_write+0xe7/0x3a0 [ 55.882317] ? ksys_write+0x68/0xf0 [ 55.886212] ? do_syscall_64+0x30/0x40 [ 55.890394] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 55.896221] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 1 # selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # Skipping WRI[ 55.922671] CR2: ffffffff9fd9b320 [ 55.932581] ---[ end trace 7f9e6aa75646ed5f ]--- [ 55.937736] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 55.942112] Code: 89 ff e8 2e b6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 fc 93 02 [ 55.963093] RSP: 0018:ffff9df58149fe60 EFLAGS: 00010286 [ 55.968918] RAX: ffffffff9f0de890 RBX: 0000000000000001 RCX: 0000000000000000 [ 55.976889] RDX: 0000000000000000 RSI: ffff91263ad1bf70 RDI: ffffffff9fd9ae90 [ 55.984858] RBP: ffffffffa01e5df0 R08: 0000000000000001 R09: 0000000000000001 [ 55.992825] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 56.000792] R13: ffff9df58149ff10 R14: ffff9df58149ff10 R15: ffff9125c3246000 [ 56.008760] FS: 00007f9425f3e580(0000) GS:ffff91263ad80000(0000) knlGS:0000000000000000 [ 56.017795] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.024212] CR2: ffffffff9fd9b320 CR3: 0000000105bba002 CR4: 00000000003706e0 [ 56.032183] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 56.042095] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1777, name: cat [ 56.050550] INFO: lockdep is turned off. [ 56.054927] irq event stamp: 0 [ 56.058333] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 56.065324] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 56.074459] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 56.083593] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 56.090592] CPU: 3 PID: 1777 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 56.099241] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 56.106045] Call Trace: [ 56.108772] dump_stack+0x77/0x9b [ 56.112472] ___might_sleep.cold+0xa6/0xb6 [ 56.117043] exit_signals+0x1c/0x2e0 [ 56.121022] do_exit+0xd5/0xb00 [ 56.124527] ? ksys_write+0x68/0xf0 [ 56.128420] rewind_stack_do_exit+0x17/0x20 [ 56.133087] RIP: 0033:0x7f9425e548f3 [ 56.137075] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 56.158057] RSP: 002b:00007ffc46fc0748 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 56.166513] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f9425e548f3 [ 56.174483] RDX: 000000000000000c RSI: 00007f9425d47000 RDI: 0000000000000001 [ 56.182453] RBP: 00007f9425d47000 R08: 00007f9425d46010 R09: 0000000000000000 [ 56.190421] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 56.198389] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 TE_BUDDY_AFTER_FREE: Corrupts memory on failure ok 21 selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # SKIP # selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh # [ 52.855645] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 52.868562] lkdtm: Value in memory before free: 12345678 # [ 52.880727] lkdtm: Attempting to read from freed memory # [ 52.892758] lkdtm: Buddy page was not poisoned # READ_BUDDY_AFTER_FREE: missing 'call trace:': [FAIL] not ok 22 selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh # exit=1 # selftests: lkdtm: SLAB_FREE_DOUBLE.sh # [ 52.974115] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 52.984743] lkdtm: Attempting double slab free ... # SLAB_FREE_DOUBLE: missing 'call trace:': [FAIL] not ok 23 selftests: lkdtm: SLAB_FREE_DOUBLE.sh # exit=1 # selftests: lkdtm: SLAB_FREE_CROSS.sh # [ 53.066414] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 53.077092] lkdtm: Attempting cross-cache slab free ... # SLAB_FREE_CROSS: missing 'call trace:': [FAIL] not ok 24 sel[ 56.300802] lkdtm: Performing direct entry EXEC_USERSPACE [ 56.311893] lkdtm: attempting ok execution at ffffffff9f0dec60 ftests: lkdtm: SLAB_FREE_CROSS.sh # exit=1 # selftests: lkdtm: [ 56.318435] lkdtm: attempting bad execution at 00007ffbb5239000 [ 56.331262] unable to execute userspace code (SMEP?) (uid: 0) SLAB_FREE_PAGE.sh # [ 53.161885] lkdtm: Performing direct ent[ 56.337684] BUG: unable to handle page fault for address: 00007ffbb5239000 [ 56.351577] #PF: supervisor instruction fetch in kernel mode [ 56.357898] #PF: error_code(0x0011) - permissions violation ry[ SLAB_FREE_PAGE # [ 53.169825] lkdtm: Attempting non-Slab s 56.364118] PGD 8000000103ef5067 P4D 8000000103ef5067 PUD 103d38067 PMD 105b55067 PTE 114885067 [ 56.380056] Oops: 0011 [#10] SMP PTI [ 56.384047] CPU: 3 PID: 1813 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 56.392688] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 56.399492] RIP: 0010:0x7ffbb5239000 lab free ... # SLAB_FREE_PAGE: missing 'call trace:': [FAIL] n[ 56.403481] Code: Unable to access opcode bytes at RIP 0x7ffbb5238fd6. [ 56.416988] RSP: 0018:ffff9df5824d7e50 EFLAGS: 00010246 [ 56.422843] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 [ 56.430812] RDX: 0000000000000000 RSI: ffff91263ad9bf70 RDI: ffff91263ad9bf70 [ 56.438782] RBP: 00007ffbb5239000 R08: 0000000000000000 R09: 0000000000000000 [ 56.446753] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f [ 56.454723] R13: ffff9df5824d7f10 R14: ffff9df5824d7f10 R15: ffff9125c3fa3000 [ 56.462693] FS: 00007ffbb520a580(0000) GS:ffff91263ad80000(0000) knlGS:0000000000000000 [ 56.471732] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.478147] CR2: 00007ffbb5239000 CR3: 00000001058cc001 CR4: 00000000003706e0 [ 56.486117] Call Trace: [ 56.488845] ? lkdtm_EXEC_USERSPACE.cold+0x66/0xae [ 56.494195] ? direct_entry.cold+0x2c/0x38 [ 56.498769] ? full_proxy_write+0x53/0x80 [ 56.503245] ? vfs_write+0xe7/0x3a0 [ 56.507138] ? ksys_write+0x68/0xf0 [ 56.511032] ? do_syscall_64+0x30/0x40 [ 56.515216] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 56.521054] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify ot ok 25 selftests: lkdtm: SLAB_FREE_PAGE.sh # exit=1 # selftes[ 56.547508] CR2: 00007ffbb5239000 [ 56.557420] ---[ end trace 7f9e6aa75646ed60 ]--- [ 56.562565] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 56.566963] Code: 89 ff e8 2e b6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 fc 93 02 [ 56.587961] RSP: 0018:ffff9df58149fe60 EFLAGS: 00010286 [ 56.593794] RAX: ffffffff9f0de890 RBX: 0000000000000001 RCX: 0000000000000000 [ 56.601767] RDX: 0000000000000000 RSI: ffff91263ad1bf70 RDI: ffffffff9fd9ae90 [ 56.609755] RBP: ffffffffa01e5df0 R08: 0000000000000001 R09: 0000000000000001 ts: lkdtm: SOFTLOCKUP.sh # Skipping SOFTLOCKUP: Hangs the syste[ 56.617732] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 56.631918] R13: ffff9df58149ff10 R14: ffff9df58149ff10 R15: ffff9125c3246000 [ 56.639890] FS: 00007ffbb520a580(0000) GS:ffff91263ad80000(0000) knlGS:0000000000000000 [ 56.648921] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.655336] CR2: 00007ffbb5239000 CR3: 00000001058cc001 CR4: 00000000003706e0 m ok 26 selftests: lkdtm: SOFTLOCKUP.sh # SKIP # selftests: lkdtm: HARDLOCKUP.sh # Skipping HARDLOCKUP: Hangs the system ok 27 selftests: lkdtm: HARDLOCKUP.sh # SKIP # selftests: lkdtm: SPINLOCKUP.sh # Skipping SPINLOCKUP: Hangs the system ok 28 selftests: lkdtm: SPINLOCKUP.sh # SKIP # selftests: lkdtm: HUNG_TASK.sh # Skipping HUNG_TASK: Hangs the system ok 29 selftests: lkdtm: HUNG_TASK.sh # SKIP # selftests: lkdtm: EXEC_DATA.sh # Killed # [ 53.391281] lkdtm: Performing direct entry EXEC_DATA # [ 53.398440] lkdtm: attempting ok execution at ffffffff9f0dec60 # [ 53.404965] lkdtm: attempting bad execution at ffffffffa1a1e560 # [ 53.411586] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 53.426149] BUG: unable to handle page fault for address: ffffffffa1a1e560 # [ 53.433820] #PF: supervisor instruction fetch in kernel mode # [ 53.440140] #PF: error_code(0x0011) - permissions violation # [ [ 56.750300] lkdtm: Performing direct entry EXEC_NULL [ 56.762124] lkdtm: attempting ok execution at ffffffff9f0dec60 [ 56.768651] lkdtm: attempting bad execution at 0000000000000000 [ 56.775295] BUG: kernel NULL pointer dereference, address: 0000000000000000 53.446351] PGD 2f229067 P4D 2f229067 PUD 2f22a063 PMD 80000000[ 56.783077] #PF: supervisor instruction fetch in kernel mode [ 56.795610] #PF: error_code(0x0010) - not-present page 308000e3 # [ 53.453838] Oops: 0011 [#5] SMP PTI # [ 53.45[ 56.801345] PGD 0 P4D 0 [ 56.810381] Oops: 0010 [#11] SMP PTI [ 56.814372] CPU: 3 PID: 1849 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 56.823024] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 56.829830] RIP: 0010:0x0 [ 56.832751] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. [ 56.840428] RSP: 0018:ffff9df58253fe48 EFLAGS: 00010246 [ 56.846262] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 56.854233] RDX: 0000000000000000 RSI: ffff91263ad9bf70 RDI: ffff91263ad9bf70 [ 56.862196] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 56.870165] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 56.878137] R13: ffff9df58253ff10 R14: ffff9df58253ff10 R15: ffff9125c4cf7000 [ 56.886107] FS: 00007fb55aa84580(0000) GS:ffff91263ad80000(0000) knlGS:0000000000000000 [ 56.895143] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.901561] CR2: ffffffffffffffd6 CR3: 0000000103f54003 CR4: 00000000003706e0 [ 56.909531] Call Trace: [ 56.912260] execute_location+0x45/0x56 [ 56.916541] direct_entry.cold+0x2c/0x38 [ 56.920921] full_proxy_write+0x53/0x80 [ 56.925204] vfs_write+0xe7/0x3a0 [ 56.928900] ksys_write+0x68/0xf0 [ 56.932590] do_syscall_64+0x30/0x40 [ 56.936579] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 56.942218] RIP: 0033:0x7fb55a99a8f3 [ 56.946199] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 56.967186] RSP: 002b:00007ffdc3f27f98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 56.975633] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fb55a99a8f3 [ 56.983601] RDX: 000000000000000a RSI: 00007fb55a88d000 RDI: 0000000000000001 [ 56.991571] RBP: 00007fb55a88d000 R08: 00007fb55a88c010 R09: 0000000000000000 [ 56.999540] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 57.007508] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 57.015481] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 57.041964] CR2: 0000000000000000 [ 57.045662] ---[ end trace 7f9e6aa75646ed61 ]--- [ 57.050817] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 57.055192] Code: 89 ff e8 2e b6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 fc 93 02 [ 57.076175] RSP: 0018:ffff9df58149fe60 EFLAGS: 00010286 [ 57.082014] RAX: ffffffff9f0de890 RBX: 0000000000000001 RCX: 0000000000000000 [ 57.089990] RDX: 0000000000000000 RSI: ffff91263ad1bf70 RDI: ffffffff9fd9ae90 [ 57.097968] RBP: ffffffffa01e5df0 R08: 0000000000000001 R09: 0000000000000001 [ 57.105956] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 57.113953] R13: ffff9df58149ff10 R14: ffff9df58149ff10 R15: ffff9125c3246000 7730] CPU: 2 PID: 1633 Comm: cat Tainted: G D W 5.1[ 57.121930] FS: 00007fb55aa84580(0000) GS:ffff91263ad80000(0000) knlGS:0000000000000000 [ 57.137184] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.143599] CR2: ffffffffffffffd6 CR3: 0000000103f54003 CR4: 00000000003706e0 [ 57.151570] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 57.161475] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1849, name: cat [ 57.169930] INFO: lockdep is turned off. [ 57.174307] irq event stamp: 0 [ 57.177712] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 57.184713] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 57.193839] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 57.202975] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 57.209975] CPU: 3 PID: 1849 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 57.218624] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 57.225429] Call Trace: [ 57.228158] dump_stack+0x77/0x9b [ 57.231857] ___might_sleep.cold+0xa6/0xb6 [ 57.236429] exit_signals+0x1c/0x2e0 [ 57.240409] do_exit+0xd5/0xb00 [ 57.243913] ? ksys_write+0x68/0xf0 [ 57.247808] rewind_stack_do_exit+0x17/0x20 [ 57.252477] RIP: 0033:0x7fb55a99a8f3 [ 57.256466] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 57.277451] RSP: 002b:00007ffdc3f27f98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 57.285898] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fb55a99a8f3 [ 57.293867] RDX: 000000000000000a RSI: 00007fb55a88d000 RDI: 0000000000000001 [ 57.301836] RBP: 00007fb55a88d000 R08: 00007fb55a88c010 R09: 0000000000000000 [ 57.309807] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 57.317774] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0.145-cip17 #1 # [ 53.466381] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 53.473188] RIP: 0010:data_area+0x0/0x40 # [ 53.477567] Code: ff ff 00 f5 25 c4 25 91 ff ff 00 f4 25 c4 25 91 ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 # [ 53.498551] RSP: 0018:ffff9df582217e48 EFLAGS: 00010246 # [ 53.504385] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 53.512356] RDX: 0000000000000000 RSI: ffff91263ad1bf70 RDI: ffff91263ad1bf70 # [ 53.520327] RBP: ffffffffa1a1e560 R08: 0000000000000000 R09: 0000000000000000 # [ 53.528295] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 53.536265] R13: ffff9df582217f10 R14: ffff9df582217f10 R15: ffff9125c5822000 # [ 53.544234] FS: 00007fc5dd41c580(0000) GS:ffff91263ad00000(0000) knlGS:0000000000000000 # [ 53.553269] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 53.559683] CR2: ffffffffa1a1e560 CR3: 0000000103df0005 CR4: 00000000003706e0 # [ 53.567653] Call Trace: # [ 53.570381] ? execute_location+0x4[ 57.432004] lkdtm: Performing direct entry ACCESS_USERSPACE [ 57.443885] lkdtm: attempting bad read at 00007fb9cb658000 5/0x56 # [ 53.574854] ? direct_entry.cold+0x2c/0x38 # [ 5[ 57.450040] BUG: unable to handle page fault for address: 00007fb9cb658000 [ 57.463927] #PF: supervisor read access in kernel mode [ 57.469665] #PF: error_code(0x0001) - permissions violation 3.5[79428] ? full_proxy_write+0x53/0x80 # [ 53.583903] ? vfs 57.475888] PGD 80000001059c7067 P4D 80000001059c7067 PUD 10314c067 PMD 104f56067 PTE 1171b2067 [ 57.491826] Oops: 0001 [#12] SMP PTI [ 57.495809] CPU: 3 PID: 1884 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 57.504460] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 57.511266] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 [ 57.517488] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 60 b9 18 a0 e8 09 9a fd ff 48 c7 c7 88 b9 18 a0 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 f0 99 fd ff 48 89 ee 48 c7 c7 b0 b9 18 [ 57.538471] RSP: 0018:ffff9df5825ffe48 EFLAGS: 00010246 [ 57.544302] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 [ 57.552270] RDX: 0000000000000000 RSI: ffff91263ad9bf70 RDI: ffffffffa018b988 [ 57.560237] RBP: 00007fb9cb658000 R08: 0000000000000000 R09: 0000000000000000 [ 57.568207] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 [ 57.576178] R13: ffff9df5825fff10 R14: ffff9df5825fff10 R15: ffff9125c3e25000 [ 57.584146] FS: 00007fb9cb629580(0000) GS:ffff91263ad80000(0000) knlGS:0000000000000000 [ 57.593186] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.599600] CR2: 00007fb9cb658000 CR3: 00000001031d0003 CR4: 00000000003706e0 [ 57.607568] Call Trace: [ 57.610296] direct_entry.cold+0x2c/0x38 [ 57.614674] full_proxy_write+0x53/0x80 [ 57.618966] vfs_write+0xe7/0x3a0 [ 57.622666] ksys_write+0x68/0xf0 [ 57.626363] do_syscall_64+0x30/0x40 [ 57.630352] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 57.636005] RIP: 0033:0x7fb9cb53f8f3 [ 57.640026] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 57.661011] RSP: 002b:00007ffd0643c478 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 57.669467] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007fb9cb53f8f3 [ 57.677435] RDX: 0000000000000011 RSI: 00007fb9cb432000 RDI: 0000000000000001 [ 57.685403] RBP: 00007fb9cb432000 R08: 00007fb9cb431010 R09: 0000000000000000 [ 57.693371] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 57.701340] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 57.709315] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify _write+0xe7/0x3a0 # [ 53.587795] ? ksys_write+0x68/0xf0 # [[ 57.735770] CR2: 00007fb9cb658000 [ 57.745681] ---[ end trace 7f9e6aa75646ed62 ]--- [ 57.750829] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 57.755208] Code: 89 ff e8 2e b6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 fc 93 02 [ 57.776183] RSP: 0018:ffff9df58149fe60 EFLAGS: 00010286 [ 57.782017] RAX: ffffffff9f0de890 RBX: 0000000000000001 RCX: 0000000000000000 [ 57.790008] RDX: 0000000000000000 RSI: ffff91263ad1bf70 RDI: ffffffff9fd9ae90 [ 57.797977] RBP: ffffffffa01e5df0 R08: 0000000000000001 R09: 0000000000000001 [ 57.805965] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 57.813960] R13: ffff9df58149ff10 R14: ffff9df58149ff10 R15: ffff9125c3246000 [ 57.821931] FS: 00007fb9cb629580(0000) GS:ffff91263ad80000(0000) knlGS:0000000000000000 [ 57.830969] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.837384] CR2: 00007fb9cb658000 CR3: 00000001031d0003 CR4: 00000000003706e0 53.591689] ? do_syscall_64+0x30/0x40 # [ 53.595873] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 53.601702] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 53.628153] CR2: ffffffffa1a1e560 # [ 53.638065] ---[ end trace 7f9e6aa75646ed5b ]--- # [ 53.643220] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 53.647596] Code: 89 ff e8 2e b6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 fc 93 02 # [ 53.668580] RSP: 0018:ffff9df58149fe60 EFLAGS: 00010286 # [ 53.674414] RAX: ffffffff9f0de890 RBX: 0000000000000001 RCX: 0000000000000000 # [ 53.682384] RDX: 0000000000000000 RSI: ffff91263ad1bf70 RDI: ffffffff9fd9ae90 # [ 53.690355] RBP: ffffffffa01e5df0 R08: 0000000000000001 R09: 0000000000000001 # [ 53.698325] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 53.706295] R13: ffff9df58149ff10 R14: ffff9df58149ff10 R15: ffff9125c3246000 # [ 53.714264] FS: 00007fc5dd41c580(0000) GS:ffff91263ad00000(0000) knlGS:0000000000000000 # [ 53.723303] CS: 0010 DS[ 57.971562] lkdtm: Performing direct entry ACCESS_NULL [ 57.981665] lkdtm: attempting bad read at 0000000000000000 : 0000 ES: 0000 CR0: 0000000080050033 # [ 53.729720] CR2: fff[ 57.987822] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 58.001805] #PF: supervisor read access in kernel mode [ 58.007542] #PF: error_code(0x0000) - not-present page [ 58.013277] PGD 0 P4D 0 [ 58.016101] Oops: 0000 [#13] SMP PTI [ 58.020090] CPU: 3 PID: 1919 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 58.028739] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 58.035547] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 [ 58.040798] Code: ad 99 fd ff be 00 10 00 00 48 89 ef e8 ad a9 39 ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 60 b9 18 a0 e8 87 99 fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 88 b9 18 a0 48 01 [ 58.061784] RSP: 0018:ffff9df58266fe58 EFLAGS: 00010246 [ 58.067607] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 [ 58.075577] RDX: 0000000000000000 RSI: ffff91263ad9bf70 RDI: ffff91263ad9bf70 [ 58.083548] RBP: ffffffffa018aa51 R08: 0000000000000000 R09: 0000000000000000 [ 58.091517] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 58.099487] R13: ffff9df58266ff10 R14: ffff9df58266ff10 R15: ffff9125c32a1000 [ 58.107458] FS: 00007f0769fd4580(0000) GS:ffff91263ad80000(0000) knlGS:0000000000000000 [ 58.116497] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.122913] CR2: 0000000000000000 CR3: 0000000103d44003 CR4: 00000000003706e0 [ 58.130884] Call Trace: [ 58.133611] direct_entry.cold+0x2c/0x38 [ 58.138012] full_proxy_write+0x53/0x80 [ 58.142293] vfs_write+0xe7/0x3a0 [ 58.145992] ksys_write+0x68/0xf0 [ 58.149692] do_syscall_64+0x30/0x40 [ 58.153681] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 58.159321] RIP: 0033:0x7f0769eea8f3 [ 58.163309] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 58.184290] RSP: 002b:00007ffc3e50edd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 58.192746] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f0769eea8f3 [ 58.200706] RDX: 000000000000000c RSI: 00007f0769ddd000 RDI: 0000000000000001 [ 58.208673] RBP: 00007f0769ddd000 R08: 00007f0769ddc010 R09: 0000000000000000 [ 58.216642] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 58.224609] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 58.232583] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify fffffa1a1e560 CR3: 0000000103df0005 CR4: 00000000003706e0 # [ [ 58.259032] CR2: 0000000000000000 [ 58.268962] ---[ end trace 7f9e6aa75646ed63 ]--- [ 58.274116] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 58.278491] Code: 89 ff e8 2e b6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 fc 93 02 [ 58.299476] RSP: 0018:ffff9df58149fe60 EFLAGS: 00010286 [ 58.305308] RAX: ffffffff9f0de890 RBX: 0000000000000001 RCX: 0000000000000000 [ 58.313276] RDX: 0000000000000000 RSI: ffff91263ad1bf70 RDI: ffffffff9fd9ae90 [ 58.321244] RBP: ffffffffa01e5df0 R08: 0000000000000001 R09: 0000000000000001 [ 58.329212] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 58.337181] R13: ffff9df58149ff10 R14: ffff9df58149ff10 R15: ffff9125c3246000 [ 58.345149] FS: 00007f0769fd4580(0000) GS:ffff91263ad80000(0000) knlGS:0000000000000000 [ 58.354187] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.360603] CR2: 0000000000000000 CR3: 0000000103d44003 CR4: 00000000003706e0 [ 58.368574] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 58.378486] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1919, name: cat [ 58.386963] INFO: lockdep is turned off. [ 58.391340] irq event stamp: 0 [ 58.394746] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 58.401747] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 58.410885] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 58.420022] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 58.427023] CPU: 3 PID: 1919 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 58.435663] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 58.442467] Call Trace: [ 58.445194] dump_stack+0x77/0x9b [ 58.448891] ___might_sleep.cold+0xa6/0xb6 [ 58.453463] exit_signals+0x1c/0x2e0 [ 58.457452] do_exit+0xd5/0xb00 [ 58.460964] ? ksys_write+0x68/0xf0 [ 58.464849] rewind_stack_do_exit+0x17/0x20 [ 58.469516] RIP: 0033:0x7f0769eea8f3 [ 58.473504] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 58.494485] RSP: 002b:00007ffc3e50edd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 58.502939] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f0769eea8f3 [ 58.510931] RDX: 000000000000000c RSI: 00007f0769ddd000 RDI: 0000000000000001 [ 58.518899] RBP: 00007f0769ddd000 R08: 00007f0769ddc010 R09: 0000000000000000 [ 58.526870] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 58.534837] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 53.737692] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 53.747604] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1633, name: cat # [ 53.756059] INFO: lockdep is turned off. # [ 53.760436] irq event stamp: 0 # [ 53.763841] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 53.770843] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 53.779979] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 53.789106] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 53.796104] CPU: 2 PID: 1633 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 53.804752] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 53.811555] Call Trace: # [ 53.814283] dump_stack+0x77/0x9b # [ 53.817982] ___might_sleep.cold+0xa6/0xb6 # [ 53.822554] exit_signals+0x1c/0x2e0 # [ 53.826543] do_exit+0xd5/0xb00 # [ 53.830037] ? ksys_write+0x68/0xf0 # [ 53.833931] rewind_stack_do_exit+0x17/0x20 # [ 53.838600] RIP: 0033:0x7fc5dd3328f3 # [ 53.842579] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18[ 58.654922] lkdtm: Performing direct entry WRITE_RO [ 58.666382] lkdtm: attempting bad rodata write at ffffffff9fd9b310 [ 58.673323] BUG: unable to handle page fault for address: ffffffff9fd9b310 [ 58.681031] #PF: supervisor write access in kernel mode [ 58.686866] #PF: error_code(0x0003) - permissions violation [ 58.693091] PGD 2f229067 P4D 2f229067 PUD 2f22a063 PMD 800000002ea000e1 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 7[ 58.700579] Oops: 0003 [#14] SMP PTI [ 58.710781] CPU: 3 PID: 1954 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 58.719433] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 58.726240] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a 7 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 53.863562][ 58.731200] Code: 00 48 c7 c7 40 b8 18 a0 48 c7 c6 10 b3 d9 9f e8 31 9c fd ff 48 8b 05 87 ed 62 00 ba 34 12 cd ab 48 c7 c7 70 b8 18 a0 48 31 d0 <48> 89 05 71 ed 62 00 e9 0f 9c fd ff 0f 1f 44 00 00 48 8b 05 80 bd [ 58.758397] RSP: 0018:ffff9df5826dfe60 EFLAGS: 00010202 [ 58.764231] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 [ 58.772201] RDX: 00000000abcd1234 RSI: ffff91263ad9bf70 RDI: ffffffffa018b870 [ 58.780171] RBP: ffffffffa018aa5d R08: 0000000000000000 R09: 0000000000000000 [ 58.788139] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 [ 58.796110] R13: ffff9df5826dff10 R14: ffff9df5826dff10 R15: ffff9125c5907000 [ 58.804081] FS: 00007f42400b5580(0000) GS:ffff91263ad80000(0000) knlGS:0000000000000000 [ 58.813120] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.819535] CR2: ffffffff9fd9b310 CR3: 0000000104c50003 CR4: 00000000003706e0 [ 58.827506] Call Trace: [ 58.830233] direct_entry.cold+0x2c/0x38 [ 58.834613] full_proxy_write+0x53/0x80 [ 58.838894] vfs_write+0xe7/0x3a0 [ 58.842593] ksys_write+0x68/0xf0 [ 58.846293] do_syscall_64+0x30/0x40 [ 58.850282] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 58.855912] RIP: 0033:0x7f423ffcb8f3 [ 58.859891] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 58.880874] RSP: 002b:00007ffcf64ad158 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 58.889331] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f423ffcb8f3 [ 58.897289] RDX: 0000000000000009 RSI: 00007f423febe000 RDI: 0000000000000001 [ 58.905258] RBP: 00007f423febe000 R08: 00007f423febd010 R09: 0000000000000000 [ 58.913226] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 58.921193] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 58.929166] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify RSP: 002b:00007fff90bd3788 EFLAGS: 00000246 ORIG_RAX: 000000000[ 58.955616] CR2: ffffffff9fd9b310 [ 58.965525] ---[ end trace 7f9e6aa75646ed64 ]--- [ 58.970680] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 58.975049] Code: 89 ff e8 2e b6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 fc 93 02 [ 58.996022] RSP: 0018:ffff9df58149fe60 EFLAGS: 00010286 [ 59.001857] RAX: ffffffff9f0de890 RBX: 0000000000000001 RCX: 0000000000000000 [ 59.009823] RDX: 0000000000000000 RSI: ffff91263ad1bf70 RDI: ffffffff9fd9ae90 [ 59.017792] RBP: ffffffffa01e5df0 R08: 0000000000000001 R09: 0000000000000001 [ 59.025761] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 59.033728] R13: ffff9df58149ff10 R14: ffff9df58149ff10 R15: ffff9125c3246000 [ 59.041697] FS: 00007f42400b5580(0000) GS:ffff91263ad80000(0000) knlGS:0000000000000000 [ 59.050732] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.057147] CR2: ffffffff9fd9b310 CR3: 0000000104c50003 CR4: 00000000003706e0 0000001 # [ 53.872011] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fc5dd3328f3 # [ 53.879981] RDX: 000000000000000a RSI: 00007fc5dd225000 RDI: 0000000000000001 # [ 53.887965] RBP: 00007fc5dd225000 R08: 00007fc5dd224010 R09: 0000000000000000 # [ 53.895936] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 53.903907] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_DATA: saw 'call trace:': ok ok 30 selftests: lkdtm: EXEC_DATA.sh # selftests: lkdtm: EXEC_STACK.sh # Killed # [ 54.012163] lkdtm: Performing direct entry EXEC_STACK # [ 54.023222] lkdtm: attempting ok execution at ffffffff9f0dec60 # [ 54.029774] lkdtm: attempting bad execution at ffff9df5822bfe18 # [ 54.036412] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 54.050971] BUG: unable to handle page fault for address: ffff9df5822bfe18 # [ 54.058641] #PF: supervisor instruction fetch in kernel mode # [ 54.064962] #PF: error_code(0x0011) - permissions violation # [ 54.071174] PGD 100000067 P4D 100000067 PUD 100211067 PMD 10319b067 PTE 8000000103c1c063 # [ 54[ 59.174121] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT .080215] Oops: 0011 [#6] SMP PTI # [ 54.084107] CPU: 2 PID: 1[ 59.183540] lkdtm: attempting bad ro_after_init write at ffffffffa0208330 669 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [[ 59.197365] BUG: unable to handle page fault for address: ffffffffa0208330 [ 59.211235] #PF: supervisor write access in kernel mode [ 59.217068] #PF: error_code(0x0003) - permissions violation 54.092756] Hardware name: Google Rammus/Rammus, BIOS 09/04/2[ 59.223295] PGD 2f229067 P4D 2f229067 PUD 2f22a063 PMD 104923063 PTE 800000002f008061 [ 59.238264] Oops: 0003 [#15] SMP PTI [ 59.242252] CPU: 1 PID: 1989 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 59.250902] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 59.257708] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a 020 # [ 54.099560] RIP: 0010:0xffff9df5822bfe18 # [ 54.103[ 59.263737] Code: b8 18 a0 e9 e3 9b fd ff 48 c7 c7 c8 b8 18 a0 e8 d7 9b fd ff 48 8b 05 4d bd a9 00 ba 34 12 cd ab 48 c7 c7 70 b8 18 a0 48 31 d0 <48> 89 05 37 bd a9 00 e9 b5 9b fd ff 0f 1f 44 00 00 41 54 48 c7 c7 [ 59.290931] RSP: 0018:ffff9df58276fe60 EFLAGS: 00010202 [ 59.296765] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 [ 59.304736] RDX: 00000000abcd1234 RSI: ffff91263ac9bf70 RDI: ffffffffa018b870 [ 59.312706] RBP: ffffffffa018aa66 R08: 0000000000000000 R09: 0000000000000000 [ 59.320675] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 [ 59.328642] R13: ffff9df58276ff10 R14: ffff9df58276ff10 R15: ffff9125c3cb5000 [ 59.336612] FS: 00007f86b7322580(0000) GS:ffff91263ac80000(0000) knlGS:0000000000000000 [ 59.345648] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.352063] CR2: ffffffffa0208330 CR3: 0000000104d3e001 CR4: 00000000003706e0 [ 59.360032] Call Trace: [ 59.362760] direct_entry.cold+0x2c/0x38 [ 59.367143] full_proxy_write+0x53/0x80 956] Code: 00 00 18 fe 2b 82 f5 9d ff ff 59 c5 76 9f ff ff ff ff[ 59.371425] vfs_write+0xe7/0x3a0 [ 59.381332] ksys_write+0x68/0xf0 [ 59.385032] do_syscall_64+0x30/0x40 20 00 00 00 00 00 00 00 f6 a9 18 a0 ff ff ff ff 88 c6 76 9f ff [ 59.389021] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 59.400870] RIP: 0033:0x7f86b72388f3 [ 59.404850] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 59.425830] RSP: 002b:00007ffef7218d48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 59.434284] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f86b72388f3 [ 59.442253] RDX: 0000000000000014 RSI: 00007f86b712b000 RDI: 0000000000000001 [ 59.450221] RBP: 00007f86b712b000 R08: 00007f86b712a010 R09: 0000000000000000 [ 59.458188] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 59.466157] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f[ 59.474129] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 59.506763] CR2: ffffffffa0208330 [ 59.510461] ---[ end trace 7f9e6aa75646ed65 ]--- [ 59.515616] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 59.520014] Code: 89 ff e8 2e b6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 fc 93 02 [ 59.541010] RSP: 0018:ffff9df58149fe60 EFLAGS: 00010286 [ 59.546843] RAX: ffffffff9f0de890 RBX: 0000000000000001 RCX: 0000000000000000 [ 59.554812] RDX: 0000000000000000 RSI: ffff91263ad1bf70 RDI: ffffffff9fd9ae90 [ 59.562781] RBP: ffffffffa01e5df0 R08: 0000000000000001 R09: 0000000000000001 [ 59.570750] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 59.578719] R13: ffff9df58149ff10 R14: ffff9df58149ff10 R15: ffff9125c3246000 [ 59.586689] FS: 00007f86b7322580(0000) GS:ffff91263ac80000(0000) knlGS:0000000000000000 [ 59.595725] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.602142] CR2: ffffffffa0208330 CR3: 0000000104d3e001 CR4: 00000000003706e0 [ 59.610101] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 59.620014] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1989, name: cat [ 59.628459] INFO: lockdep is turned off. [ 59.632835] irq event stamp: 0 [ 59.636240] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 59.643238] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 59.652361] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 59.661496] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 59.668494] CPU: 1 PID: 1989 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 59.677143] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 59.683962] Call Trace: [ 59.686687] dump_stack+0x77/0x9b [ 59.690387] ___might_sleep.cold+0xa6/0xb6 [ 59.694965] exit_signals+0x1c/0x2e0 [ 59.698963] do_exit+0xd5/0xb00 [ 59.702467] ? ksys_write+0x68/0xf0 [ 59.706359] rewind_stack_do_exit+0x17/0x20 44 00 00 55 # [ 54.124964] RSP: 0018:ffff9df5822bfdf8 EFLAGS[ 59.711027] RIP: 0033:0x7f86b72388f3 [ 59.721229] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 59.742200] RSP: 002b:00007ffef7218d48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 59.750654] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f86b72388f3 [ 59.758624] RDX: 0000000000000014 RSI: 00007f86b712b000 RDI: 0000000000000001 [ 59.766593] RBP: 00007f86b712b000 R08: 00007f86b712a010 R09: 0000000000000000 [ 59.774562] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 59.782532] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 : 00010246 # [ 54.130797] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 54.138766] RDX: 0000000000000000 RSI: ffff91263ad1bf70 RDI: ffff91263ad1bf70 # [ 54.146735] RBP: ffff9df5822bfe18 R08: 0000000000000000 R09: 0000000000000000 # [ 54.154704] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 54.162675] R13: ffff9df5822bff10 R14: ffff9df5822bff10 R15: ffff9125c5b9e000 # [ 54.170645] FS: 00007fbcb490d580(0000) GS:ffff91263ad00000(0000) knlGS:0000000000000000 # [ 54.179683] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.186099] CR2: ffff9df5822bfe18 CR3: 00000001059c6003 CR4: 00000000003706e0 # [ 54.194068] Call Trace: # [ 54.196798] ? execute_location+0x45/0x56 # [ 54.201271] ? lkdtm_EXEC_STACK+0x26/0x44 # [ 54.205746] ? direct_entry.cold+0x2c/0x38 # [ 54.210320] ? full_proxy_write+0x53/0x80 # [ 54.214796] ? vfs_write+0xe7/0x3a0 # [ 54.218688] ? ksys_write+0x68/0xf0 # [ 54.222580] ? do_syscall_64+0x30/0x40 # [ 54.226766] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 54.232605] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 54.259056] CR2: ffff9df5822bfe18 #[ 59.922736] lkdtm: Performing direct entry WRITE_KERN [ 54.268966] ---[ end trace 7f9e6aa75646ed5c ]--- # [ 54.2[ 59.932888] lkdtm: attempting bad 6871203 byte write at ffffffff9f76c503 74120] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 54.278498] Code: 89 f[ 59.946606] BUG: unable to handle page fault for address: ffffffff9f76c503 [ 59.960475] #PF: supervisor write access in kernel mode [ 59.966307] #PF: error_code(0x0003) - permissions violation [ 59.972530] PGD 2f229067 P4D 2f229067 PUD 2f22a063 PMD 2e4000e1 [ 59.979247] Oops: 0003 [#16] SMP PTI [ 59.983227] CPU: 0 PID: 2024 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 59.991868] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 59.998676] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e [ 60.003837] Code: 53 48 c7 c3 03 c5 76 9f 49 89 dc 48 89 da 49 81 ec 60 ec 0d 9f 4c 89 e6 e8 8a 9b fd ff 48 89 df 4c 89 e1 48 c7 c6 60 ec 0d 9f a4 48 c7 c7 70 b8 18 a0 e8 6f 9b fd ff 5b 41 5c e9 b7 fe ff ff [ 60.024821] RSP: 0018:ffff9df582817e50 EFLAGS: 00010246 [ 60.030645] RAX: 000000000000003c RBX: ffffffff9f76c503 RCX: 000000000068d8a3 [ 60.038614] RDX: 0000000000000000 RSI: ffffffff9f0dec60 RDI: ffffffff9f76c503 [ 60.046585] RBP: ffffffffa018aa7a R08: 0000000000000000 R09: 0000000000000000 [ 60.054556] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000068d8a3 [ 60.062526] R13: ffff9df582817f10 R14: ffff9df582817f10 R15: ffff9125c3d8d000 [ 60.070496] FS: 00007f70f8ede580(0000) GS:ffff91263ac00000(0000) knlGS:0000000000000000 [ 60.079534] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.085949] CR2: ffffffff9f76c503 CR3: 0000000104c50003 CR4: 00000000003706f0 [ 60.093919] Call Trace: [ 60.096645] direct_entry.cold+0x2c/0x38 [ 60.101030] full_proxy_write+0x53/0x80 [ 60.105318] vfs_write+0xe7/0x3a0 [ 60.109022] ksys_write+0x68/0xf0 [ 60.112721] do_syscall_64+0x30/0x40 [ 60.116714] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 60.122354] RIP: 0033:0x7f70f8df48f3 [ 60.126333] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 60.147320] RSP: 002b:00007ffcf75f6398 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 60.155768] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f70f8df48f3 [ 60.163736] RDX: 000000000000000b RSI: 00007f70f8ce7000 RDI: 0000000000000001 [ 60.171706] RBP: 00007f70f8ce7000 R08: 00007f70f8ce6010 R09: 0000000000000000 [ 60.179676] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 60.187646] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 60.195619] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 60.222062] CR2: ffffffff9f76c503 [ 60.225759] ---[ end trace 7f9e6aa75646ed66 ]--- [ 60.230914] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 60.235293] Code: 89 ff e8 2e b6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 fc 93 02 [ 60.256278] RSP: 0018:ffff9df58149fe60 EFLAGS: 00010286 [ 60.262112] RAX: ffffffff9f0de890 RBX: 0000000000000001 RCX: 0000000000000000 [ 60.270082] RDX: 0000000000000000 RSI: ffff91263ad1bf70 RDI: ffffffff9fd9ae90 [ 60.278053] RBP: ffffffffa01e5df0 R08: 0000000000000001 R09: 0000000000000001 [ 60.286014] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 60.293984] R13: ffff9df58149ff10 R14: ffff9df58149ff10 R15: ffff9125c3246000 [ 60.301953] FS: 00007f70f8ede580(0000) GS:ffff91263ac00000(0000) knlGS:0000000000000000 [ 60.310991] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.317406] CR2: ffffffff9f76c503 CR3: 0000000104c50003 CR4: 00000000003706f0 f e8 2e b6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 fc 93 02 # [ 54.299472] RSP: 0018:ffff9df58149fe60 EFLAGS: 00010286 # [ 54.305297] RAX: ffffffff9f0de890 RBX: 0000000000000001 RCX: 0000000000000000 # [ 54.313266] RDX: 0000000000000000 RSI: ffff91263ad1bf70 RDI: ffffffff9fd9ae90 # [ 54.321235] RBP: ffffffffa01e5df0 R08: 0000000000000001 R09: 0000000000000001 # [ 54.329205] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 54.337174] R13: ffff9df58149ff10 R14: ffff9df58149ff10 R15: ffff9125c3246000 # [ 54.345141] FS: 00007fbcb490d580(0000) GS:ffff91263ad00000(0000) knlGS:0000000000000000 # [ 54.354179] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.360594] CR2: ffff9df5822bfe18 CR3: 00000001059c6003 CR4: 00000000003706e0 # EXEC_STACK: saw 'call trace:': ok ok 31 selftests: lkdtm: EXEC_STACK.sh # selftests: lkdtm: EXEC_KMALLOC.sh # Killed # [ 54.531438] lkdtm: Performing direct entry EXEC_KMALLOC # [ 54.542410] lkdtm: attempting ok execution at ffffffff9f0dec60 # [ 54.555142] lkdtm: attempting bad execution at ffff9125c3c61500 # [ 54.567976] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 54.582536] BUG: unable to handle page fault for address: ffff9125c3c61500 # [ 54.590214] #PF: supervisor instruction fetch in kernel mode # [ 54.596529] #PF: error_code(0x0011) - permissions violation # [ 54.602749] PGD 30a01067 P4D 30a01067 PUD 10084e063 PMD 103c7e063 PTE 8000000103c61063 # [ 54.611596] Oops: 00[ 60.484668] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW 11 [#7] SMP PTI # [ 54.621697] CPU: 1 PID: 1705 Comm: cat Tai[ 60.493801] lkdtm: attempting good refcount_inc() without overflow nted: G D W 5.10.145-cip17 #1 # [ 54.630344] Har[ 60.506919] lkdtm: attempting bad refcount_inc() overflow dware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 54.637[ 60.519159] ------------[ cut here ]------------ 148] RIP: 0010:0xffff9125c3c61500 # [ 54.641523] Code: 00 00 [ 60.530529] refcount_t: saturated; leaking memory. 02 00 00 00 00 00 00 00 00 13 c6 c3 25 91 ff ff 04 00 00 00 00 0[ 60.542119] WARNING: CPU: 1 PID: 2059 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 0 00 00 00 00 00 00 00 00 00 00 1b 24 90 9e ff ff ff ff <0f> 1f [ 60.557735] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 # [[ 60.590368] CPU: 1 PID: 2059 Comm: cat Tainted: G D W 5.10.145-cip17 #1 54.662501] RSP: 0018:ffff9df58234fe38 EFLAGS: 00010246 # [ [ 60.605234] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 54.668332] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 000[ 60.618256] RIP: 0010:refcount_warn_saturate+0x51/0x110 0000000000000 # [ 54.676298] RDX: 0000000000000000 RSI: ffff9[ 60.630306] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d cd 49 94 01 00 75 ee 48 c7 c7 c0 64 12 a0 c6 05 bd 49 94 01 01 e8 6a 66 98 00 <0f> 0b c3 cc cc cc cc 80 3d a9 49 94 01 00 75 cb 48 c7 c7 e8 64 12 1263ac9bf70 RDI: ffff91263ac9bf70 # [ 54.684266] RBP: ffff912[ 60.657505] RSP: 0018:ffff9df5828a7e48 EFLAGS: 00010286 5c3c61500 R08: 0000000000000000 R09: 0000000000000000 # [ 54.[ 60.669555] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 692232] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000[ 60.683747] RDX: ffff91263acac660 RSI: ffff91263ac9bf70 RDI: ffff91263ac9bf70 00000000d # [ 54.700199] R13: ffff9df58234ff10 R14: ffff9df58[ 60.697936] RBP: ffffffffa018aa85 R08: 0000000000000000 R09: 0000000000000000 234ff10 R15: ffff9125c34b1000 # [ 54.708169] FS: 00007f887b7[ 60.712124] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 71580(0000) GS:ffff91263ac80000(0000) knlGS:0000000000000000 # [ 60.726340] R13: ffff9df5828a7f10 R14: ffff9df5828a7f10 R15: ffff9125c2b03000 [ 54.717203] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033[ 60.740523] FS: 00007f4cc1bf7580(0000) GS:ffff91263ac80000(0000) knlGS:0000000000000000 # [ 54.723617] CR2: ffff9125c3c61500 CR3: 000000010326e006 C[ 60.755755] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 R4: 00000000003706e0 # [ 54.731585] Call Trace: # [ 54.734[ 60.768391] CR2: 00007f4cc1a00000 CR3: 0000000104fbc001 CR4: 00000000003706e0 313] ? execute_location+0x45/0x56 # [ 54.738789] ? lkdtm_EX[ 60.782580] Call Trace: EC_KMALLOC+0x2c/0x40 # [ 54.749666] ? direct_entry.cold+0x2c[ 60.791529] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 /0x38 # [ 54.754228] ? full_proxy_write+0x53/0x80 # [ 54.[ 60.803098] direct_entry.cold+0x2c/0x38 758704] ? vfs_write+0xe7/0x3a0 # [ 54.768804] ? ksys_write+[ 60.813698] full_proxy_write+0x53/0x80 0x68/0xf0 # [ 54.772696] ? do_syscall_64+0x30/0x40 # [ 54[ 60.824194] vfs_write+0xe7/0x3a0 .776878] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 54.7[ 60.834110] ksys_write+0x68/0xf0 88925] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec[ 60.844031] do_syscall_64+0x30/0x40 _sensors_core industrialio_triggered_buffer kfifo_buf industrial[ 60.854237] entry_SYSCALL_64_after_hwframe+0x61/0xc6 io cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensor[ 60.866094] RIP: 0033:0x7f4cc1b0d8f3 hub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_[ 60.876300] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 notify # [ 54.821554] CR2: ffff9125c3c61500 # [ 54.825249][ 60.903499] RSP: 002b:00007ffec695b308 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 ---[ end trace 7f9e6aa75646ed5d ]--- # [ 54.830401] RIP: 001[ 60.918174] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f4cc1b0d8f3 0:lkdtm_BUG+0x5/0x10 # [ 54.834776] Code: 89 ff e8 2e b6 a3 f[ 60.932364] RDX: 0000000000000016 RSI: 00007f4cc1a00000 RDI: 0000000000000001 f 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc[ 60.946554] RBP: 00007f4cc1a00000 R08: 00007f4cc19ff010 R09: 0000000000000000 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 0[ 60.960745] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 0 00 00 00 00 0f 1f 44 00 00 83 05 80 fc 93 02 # [ 54.855752][ 60.974935] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 RSP: 0018:ffff9df58149fe60 EFLAGS: 00010286 # [ 54.861584] R[ 60.989122] irq event stamp: 0 AX: ffffffff9f0de890 RBX: 0000000000000001 RCX: 0000000000000000[ 60.998739] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 54.869552] RDX: 0000000000000000 RSI: ffff91263ad1bf70 R[ 61.011956] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 DI: ffffffff9fd9ae90 # [ 54.877523] RBP: ffffffffa01e5df0 R08[ 61.027306] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 : 0000000000000001 R09: 0000000000000001 # [ 54.885492] R10: [ 61.042655] softirqs last disabled at (0): [<0000000000000000>] 0x0 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 61.042657] ---[ end trace 7f9e6aa75646ed67 ]--- [ 61.042658] lkdtm: Overflow detected: saturated [ 54.893463] R13: ffff9df58149ff10 R14: ffff9df58149ff10 R15: ffff9125c3246000 # [ 54.901432] FS: 00007f887b771580(0000) GS:ffff91263ac80000(0000) knlGS:0000000000000000 # [ 54.910467] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.916882] CR2: ffff9125c3c61500 CR3: 000000010326e006 CR4: 00000000003706e0 # [ 54.924848] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 54.934758] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1705, name: cat # [ 54.943212] INFO: lockdep is turned off. # [ 54.947586] irq event stamp: 0 # [ 54.951004] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 54.958023] hardirqs last disabled at (0): [] copy_process+0x640/[ 61.145257] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW [ 61.153615] lkdtm: attempting good refcount_add() without overflow [ 61.160539] lkdtm: attempting bad refcount_add() overflow [ 61.166582] ------------[ cut here ]------------ [ 61.171747] refcount_t: saturated; leaking memory. [ 61.177111] WARNING: CPU: 3 PID: 2091 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 [ 61.186573] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 0x1c80 # [ 54.973367] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 54.982492] softirq[ 61.234699] RIP: 0010:refcount_warn_saturate+0x51/0x110 s last disabled at (0): [<0000000000000000>] 0x0 # [ 54.98949[ 61.246754] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d cd 49 94 01 00 75 ee 48 c7 c7 c0 64 12 a0 c6 05 bd 49 94 01 01 e8 6a 66 98 00 <0f> 0b c3 cc cc cc cc 80 3d a9 49 94 01 00 75 cb 48 c7 c7 e8 64 12 [ 61.273972] RSP: 0018:ffff9df58292fe48 EFLAGS: 00010286 0] CPU: 1 PID: 1705 Comm: cat Tainted: G D W 5.10.1[ 61.279819] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 [ 61.294013] RDX: ffff91263adac660 RSI: ffff91263ad9bf70 RDI: ffff91263ad9bf70 [ 61.301990] RBP: ffffffffa018aa9b R08: 0000000000000000 R09: 0000000000000000 [ 61.310002] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 [ 61.318022] R13: ffff9df58292ff10 R14: ffff9df58292ff10 R15: ffff9125c40a2000 [ 61.326009] FS: 00007fbff7230580(0000) GS:ffff91263ad80000(0000) knlGS:0000000000000000 [ 61.335042] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.341459] CR2: 00007fbff7039000 CR3: 0000000104d7e002 CR4: 00000000003706e0 [ 61.349434] Call Trace: [ 61.352197] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 [ 61.357584] direct_entry.cold+0x2c/0x38 [ 61.362011] full_proxy_write+0x53/0x80 [ 61.366331] vfs_write+0xe7/0x3a0 [ 61.370063] ksys_write+0x68/0xf0 [ 61.373799] do_syscall_64+0x30/0x40 45-cip17 #1 # [ 54.998137] Hardware name: Google Rammus/Rammu[ 61.377822] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 61.389680] RIP: 0033:0x7fbff71468f3 [ 61.393693] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 61.414679] RSP: 002b:00007ffc180ba158 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 61.423167] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fbff71468f3 [ 61.431141] RDX: 0000000000000016 RSI: 00007fbff7039000 RDI: 0000000000000001 [ 61.439112] RBP: 00007fbff7039000 R08: 00007fbff7038010 R09: 0000000000000000 [ 61.447085] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 61.455057] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 61.463035] irq event stamp: 0 s, BIOS 09/04/2020 # [ 55.004961] Call Trace: # [ 55.0076[ 61.466469] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 61.479684] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 61.488851] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 61.497990] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 61.505036] ---[ end trace 7f9e6aa75646ed68 ]--- 88] dump_stack+0x77/0x9b # [ 55.011388] ___might_sleep.cold[ 61.510193] lkdtm: Overflow detected: saturated +0xa6/0xb6 # [ 55.015964] exit_signals+0x1c/0x2e0 # [ 55.019962] do_exit+0xd5/0xb00 # [ 55.023465] ? ksys_write+0x68/0xf0 # [ 55.027357] rewind_stack_do_exit+0x17/0x20 # [ 55.032027] RIP: 0033:0x7f887b6878f3 # [ 55.036018] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 55.057015] RSP: 002b:00007ffda0836ea8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 55.065468] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f887b6878f3 # [ 55.073436] RDX: 000000000000000d RSI: 00007f887b57a000 RDI: 0000000000000001 # [ 55.081402] RBP: 00007f887b57a000 R08: 00007f887b579010 R09: 0000000000000000 # [ 55.089370] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 55.097337] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_KMALLOC: saw 'call trace:': ok ok 32 selftests: lkdtm: EXEC_KMALLOC.sh # selftests: lkdtm: EXEC_VMALLOC.sh # Killed # [ 55.214831] lkdtm: Performing direct entry EXEC_VMALLOC # [ 55[ 61.633250] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW .223030] lkdtm: attempting ok execution at ffffffff9f0dec60 # [[ 61.640972] lkdtm: attempting bad refcount_inc_not_zero() overflow 55.229559] lkdtm: attempting bad execution at ffff9df5806d700[ 61.654082] ------------[ cut here ]------------ 0 # [ 55.236185] kernel tried to execute NX-protected page - [ 61.665448] refcount_t: saturated; leaking memory. exploit attempt? (uid: 0) # [ 55.244551] BUG: unable to handl[ 61.677057] WARNING: CPU: 0 PID: 2123 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 e page fault for address: ffff9df5806d7000 # [ 55.252230] #PF[ 61.692661] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify : supervisor instruction fetch in kernel mode # [ 55.258549] [ 61.725299] CPU: 0 PID: 2123 Comm: cat Tainted: G D W 5.10.145-cip17 #1 #PF: error_code(0x0011) - permissions violation # [ 55.264771[ 61.740182] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 ] PGD 100000067 P4D 100000067 PUD 100211067 PMD 104e7b067 PTE 80[ 61.753211] RIP: 0010:refcount_warn_saturate+0x97/0x110 00000104c58063 # [ 55.280032] Oops: 0011 [#8] SMP PTI # [ [ 61.765282] Code: 01 01 e8 47 66 98 00 0f 0b c3 cc cc cc cc 80 3d 88 49 94 01 00 75 a8 48 c7 c7 c0 64 12 a0 c6 05 78 49 94 01 01 e8 24 66 98 00 <0f> 0b c3 cc cc cc cc 80 3d 62 49 94 01 00 75 85 48 c7 c7 18 65 12 55.283926] CPU: 3 PID: 1741 Comm: cat Tainted: G D W [ 61.792478] RSP: 0018:ffff9df5828e7e38 EFLAGS: 00010282 5.10.145-cip17 #1 # [ 55.292575] Hardware name: Google Ramm[ 61.804530] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 us/Rammus, BIOS 09/04/2020 # [ 55.299378] RIP: 0010:0xffff9d[ 61.818764] RDX: ffff91263ac2c660 RSI: ffff91263ac1bf70 RDI: ffff91263ac1bf70 f5806d7000 # [ 55.303755] Code: Unable to access opcode bytes[ 61.832923] RBP: ffffffffa018a6d8 R08: 0000000000000000 R09: 0000000000000000 at RIP 0xffff9df5806d6fd6. # [ 55.311433] RSP: 0018:ffff9df5[ 61.847147] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f 823cfe38 EFLAGS: 00010246 # [ 55.317265] RAX: 000000000000003[ 61.861355] R13: ffff9df5828e7f10 R14: ffff9df5828e7f10 R15: ffff9125c5b52000 3 RBX: 0000000000000001 RCX: 0000000000000000 # [ 55.325235] [ 61.875517] FS: 00007fd99d3f9580(0000) GS:ffff91263ac00000(0000) knlGS:0000000000000000 RDX: 0000000000000000 RSI: ffff91263ad9bf70 RDI: ffff91263ad9bf7[ 61.890771] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 0 # [ 55.333205] RBP: ffff9df5806d7000 R08: 0000000000000000 [ 61.903395] CR2: 00007fd99d202000 CR3: 0000000104d7a005 CR4: 00000000003706f0 R09: 0000000000000000 # [ 55.341173] R10: 00000000ffffe000 R1[ 61.917566] Call Trace: 1: 3fffffffffffffff R12: 000000000000000d # [ 55.349141] R13:[ 61.926572] __refcount_add_not_zero.constprop.0+0x2a/0x35 ffff9df5823cff10 R14: ffff9df5823cff10 R15: ffff9125c4c58000 #[ 61.938894] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 [ 55.357109] FS: 00007f1d594d4580(0000) GS:ffff91263ad80000([ 61.951381] direct_entry.cold+0x2c/0x38 0000) knlGS:0000000000000000 # [ 55.366143] CS: 0010 DS: 000[ 61.961923] full_proxy_write+0x53/0x80 0 ES: 0000 CR0: 0000000080050033 # [ 55.372559] CR2: ffff9df5[ 61.972441] vfs_write+0xe7/0x3a0 806d6fd6 CR3: 000000010274e001 CR4: 00000000003706e0 # [ 55.3[ 61.982329] ksys_write+0x68/0xf0 80518] Call Trace: # [ 55.383246] ? execute_location+0x45/0x[ 61.992239] do_syscall_64+0x30/0x40 56 # [ 55.387721] ? lkdtm_EXEC_VMALLOC+0x20/0x30 # [ 55.3[ 62.002452] entry_SYSCALL_64_after_hwframe+0x61/0xc6 92388] ? direct_entry.cold+0x2c/0x38 # [ 55.396965] ? full_[ 62.014296] RIP: 0033:0x7fd99d30f8f3 proxy_write+0x53/0x80 # [ 55.401440] ? vfs_write+0xe7/0x3a0[ 62.024522] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 55.405322] ? ksys_write+0x68/0xf0 # [ 55.409205] ? d[ 62.051728] RSP: 002b:00007fffe6a197d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 o_syscall_64+0x30/0x40 # [ 55.413386] ? entry_SYSCALL_64_aft[ 62.066420] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fd99d30f8f3 er_hwframe+0x61/0xc6 # [ 55.419222] Modules linked in: fuse i[ 62.080599] RDX: 000000000000001f RSI: 00007fd99d202000 RDI: 0000000000000001 p_tables cros_ec_sensors cros_ec_sensors_core industrialio_trigg[ 62.094790] RBP: 00007fd99d202000 R08: 00007fd99d201010 R09: 0000000000000000 ered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs[ 62.108975] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 cros_ec_lightbar cros_ec_sensorhub cros_ec_chardev x86_pkg_temp[ 62.123189] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 _thermal cros_ec_dev cros_usbpd_notify # [ 55.445673] CR2: ff[ 62.137401] irq event stamp: 0 ff9df5806d7000 # [ 55.455583] ---[ end trace 7f9e6aa75646ed5e[ 62.147047] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ]--- # [ 55.460730] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 55.4[ 62.160233] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 65107] Code: 89 ff e8 2e b6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 [ 62.175548] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1[ 62.190941] softirqs last disabled at (0): [<0000000000000000>] 0x0 f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 [ 62.204138] ---[ end trace 7f9e6aa75646ed69 ]--- 05 80 fc 93 02 # [ 55.486083] RSP: 0018:ffff9df58149fe60 EFLA[ 62.215547] lkdtm: Overflow detected: saturated GS: 00010286 # [ 55.491917] RAX: ffffffff9f0de890 RBX: 0000000000000001 RCX: 0000000000000000 # [ 55.499886] RDX: 0000000000000000 RSI: ffff91263ad1bf70 RDI: ffffffff9fd9ae90 # [ 55.507856] RBP: ffffffffa01e5df0 R08: 0000000000000001 R09: 0000000000000001 # [ 55.515824] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 55.523793] R13: ffff9df58149ff10 R14: ffff9df58149ff10 R15: ffff9125c3246000 # [ 55.531761] FS: 00007f1d594d4580(0000) GS:ffff91263ad80000(0000) knlGS:0000000000000000 # [ 55.540799] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.547215] CR2: ffff9df5806d6fd6 CR3: 000000010274e001 CR4: 00000000003706e0 # EXEC_VMALLOC: saw 'call trace:': ok ok 33 selftests: lkdtm: EXEC_VMALLOC.sh # selftests: lkdtm: EXEC_RODATA.sh # Killed # [ 55.655207] lkdtm: Performing direct entry EXEC_RODATA # [ 55.666624] lkdtm: attempting ok execution at ffffffff9f0dec60 # [ 55.673177] lkdtm: attempting bad execution at ffffffff9fd9b320 # [ 55.679841] kernel tried to execute NX-protected page - exploit attempt? (ui[ 62.326846] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW [ 62.340049] lkdtm: attempting bad refcount_add_not_zero() overflow [ 62.346980] ------------[ cut here ]------------ d: 0) # [ 55.688207] BUG: unable to handle page fault for add[ 62.352131] refcount_t: saturated; leaking memory. ress: ffffffff9fd9b320 # [ 55.702102] #PF: supervisor instruc[ 62.363704] WARNING: CPU: 3 PID: 2155 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 tion fetch in kernel mode # [ 55.708423] #PF: error_code(0x00[ 62.379335] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 62.411980] CPU: 3 PID: 2155 Comm: cat Tainted: G D W 5.10.145-cip17 #1 11) - permissions violation # [ 55.714645] PGD 2f229067 P4D 2[ 62.420634] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 62.433675] RIP: 0010:refcount_warn_saturate+0x97/0x110 f229067 PUD 2f22a063 PMD 800000002ea000e1 # [ 55.722133] Oop[ 62.439524] Code: 01 01 e8 47 66 98 00 0f 0b c3 cc cc cc cc 80 3d 88 49 94 01 00 75 a8 48 c7 c7 c0 64 12 a0 c6 05 78 49 94 01 01 e8 24 66 98 00 <0f> 0b c3 cc cc cc cc 80 3d 62 49 94 01 00 75 85 48 c7 c7 18 65 12 [ 62.466712] RSP: 0018:ffff9df582a47e38 EFLAGS: 00010282 [ 62.472578] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 [ 62.480553] RDX: ffff91263adac660 RSI: ffff91263ad9bf70 RDI: ffff91263ad9bf70 [ 62.488528] RBP: ffffffffa018a6f8 R08: 0000000000000000 R09: 0000000000000000 [ 62.496502] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 62.504473] R13: ffff9df582a47f10 R14: ffff9df582a47f10 R15: ffff9125c598c000 [ 62.512448] FS: 00007f6e8eafb580(0000) GS:ffff91263ad80000(0000) knlGS:0000000000000000 [ 62.521520] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.527959] CR2: 00007f6e8e904000 CR3: 00000001032a0001 CR4: 00000000003706e0 s: 0011 [#9] SMP PTI # [ 55.732240] CPU: 3 PID: 1777 Comm: ca[ 62.535939] Call Trace: [ 62.544882] __refcount_add_not_zero.constprop.0+0x2a/0x35 t Tainted: G D W 5.10.145-cip17 #1 # [ 55.740890[ 62.551038] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 [ 62.563472] direct_entry.cold+0x2c/0x38 [ 62.567887] full_proxy_write+0x53/0x80 [ 62.572203] vfs_write+0xe7/0x3a0 [ 62.575935] ksys_write+0x68/0xf0 [ 62.579668] do_syscall_64+0x30/0x40 ] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 5[ 62.583688] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 62.595538] RIP: 0033:0x7f6e8ea118f3 [ 62.599560] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 62.620549] RSP: 002b:00007fffb1bf38f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 62.629038] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f6e8ea118f3 [ 62.637025] RDX: 000000000000001f RSI: 00007f6e8e904000 RDI: 0000000000000001 [ 62.645029] RBP: 00007f6e8e904000 R08: 00007f6e8e903010 R09: 0000000000000000 5.753914] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 # [ 55.7[ 62.653003] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 65868] Code: ff ff f8 da 76 9f ff ff ff ff 42 ac 18 a0 ff ff ff [ 62.667190] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 62.681400] irq event stamp: 0 ff 3e c2 76 9f ff ff ff ff 55 aa 55 aa 00 00 00 00 00 00 00 00 0[ 62.684808] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 62.698022] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 62.707190] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 62.716330] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 62.723330] ---[ end trace 7f9e6aa75646ed6a ]--- [ 62.728487] lkdtm: Overflow detected: saturated 0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 54 68 69 73 20 69 # [ 55.786852] RSP: 0018:ffff9df58246fe48 EFLAGS: 00010246 # [ 55.792678] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 55.800640] RDX: 0000000000000000 RSI: ffff91263ad9bf70 RDI: ffff91263ad9bf70 # [ 55.808609] RBP: ffffffff9fd9b320 R08: 0000000000000000 R09: 0000000000000000 # [ 55.816571] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 55.824540] R13: ffff9df58246ff10 R14: ffff9df58246ff10 R15: ffff9125c28d0000 # [ 55.832509] FS: 00007f9425f3e580(0000) GS:ffff91263ad80000(0000) knlGS:0000000000000000 # [ 55.841547] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.847966] CR2: ffffffff9fd9b320 CR3: 0000000105bba002 CR4: 00000000003706e0 # [ 55.855938] Call Trace: # [ 55.858690] ? execute_location+0x45/0x56 # [ 55.863165] ? direct_entry.cold+0x2c/0x38 # [ 55.867733] ? full_proxy_write+0x53/0x80 # [ 55.878424] ? vfs_write+0xe7/0x3a0 # [ 55.882317] ? ksys_write+0x68/0xf0 # [ 55.886212] ? [ 62.834010] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO do_syscall_64+0x30/0x40 # [ 55.890394] ? entry_SYSCALL_64_af[ 62.845594] lkdtm: attempting good refcount_dec() ter_hwframe+0x61/0xc6 # [ 55.896221] Modules linked in: fuse [ 62.857056] lkdtm: attempting bad refcount_dec() to zero ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_trig[ 62.869210] ------------[ cut here ]------------ gered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugf[ 62.880567] refcount_t: decrement hit 0; leaking memory. s cros_ec_lightbar cros_ec_sensorhub cros_ec_chardev x86_pkg_tem[ 62.892775] WARNING: CPU: 0 PID: 2187 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 p_thermal cros_ec_dev cros_usbpd_notify # [ 55.922671] CR2: f[ 62.908392] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify fffffff9fd9b320 # [ 55.932581] ---[ end trace 7f9e6aa75646ed5[ 62.941045] CPU: 0 PID: 2187 Comm: cat Tainted: G D W 5.10.145-cip17 #1 f ]--- # [ 55.937736] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 55.[ 62.955897] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 942112] Code: 89 ff e8 2e b6 a3 ff 48 c7 c0 ea ff ff ff eb de 48[ 62.968993] RIP: 0010:refcount_warn_saturate+0xfb/0x110 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f [ 62.981015] Code: 70 65 12 a0 c6 05 29 49 94 01 01 e8 da 65 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 40 65 12 a0 c6 05 10 49 94 01 01 e8 c0 65 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83[ 63.008252] RSP: 0018:ffff9df5829e7e48 EFLAGS: 00010286 05 80 fc 93 02 # [ 55.963093] RSP: 0018:ffff9df58149fe60 EFL[ 63.020329] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 AGS: 00010286 # [ 55.968918] RAX: ffffffff9f0de890 RBX: 00000[ 63.034546] RDX: ffff91263ac2c660 RSI: ffff91263ac1bf70 RDI: ffff91263ac1bf70 00000000001 RCX: 0000000000000000 # [ 55.976889] RDX: 0000000[ 63.048699] RBP: ffffffffa018aab1 R08: 0000000000000000 R09: 0000000000000000 000000000 RSI: ffff91263ad1bf70 RDI: ffffffff9fd9ae90 # [ 55.[ 63.062947] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 984858] RBP: ffffffffa01e5df0 R08: 0000000000000001 R09: 0000000[ 63.077079] R13: ffff9df5829e7f10 R14: ffff9df5829e7f10 R15: ffff9125c34fe000 000000001 # [ 55.992825] R10: 00000000ffffe000 R11: 3ffffffff[ 63.091263] FS: 00007f86bcb6f580(0000) GS:ffff91263ac00000(0000) knlGS:0000000000000000 fffffff R12: 0000000000000004 # [ 56.000792] R13: ffff9df5814[ 63.106552] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 9ff10 R14: ffff9df58149ff10 R15: ffff9125c3246000 # [ 56.0087[ 63.119167] CR2: 00007f86bc978000 CR3: 0000000105b82005 CR4: 00000000003706f0 60] FS: 00007f9425f3e580(0000) GS:ffff91263ad80000(0000) knlGS:[ 63.133384] Call Trace: 0000000000000000 # [ 56.017795] CS: 0010 DS: 0000 ES: 0000 C[ 63.142322] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd R0: 0000000080050033 # [ 56.024212] CR2: ffffffff9fd9b320 CR3[ 63.153553] direct_entry.cold+0x2c/0x38 : 0000000105bba002 CR4: 00000000003706e0 # [ 56.032183] BUG: [ 63.164152] full_proxy_write+0x53/0x80 sleeping function called from invalid context at include/linux/p[ 63.174638] vfs_write+0xe7/0x3a0 ercpu-rwsem.h:49 # [ 56.042095] in_atomic(): 0, irqs_disabled[ 63.184550] ksys_write+0x68/0xf0 (): 1, non_block: 0, pid: 1777, name: cat # [ 56.050550] INFO[ 63.194454] do_syscall_64+0x30/0x40 : lockdep is turned off. # [ 56.054927] irq event stamp: 0 #[ 63.204661] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 56.058333] hardirqs last enabled at (0): [<000000000000000[ 63.216512] RIP: 0033:0x7f86bca858f3 0>] 0x0 # [ 56.065324] hardirqs last disabled at (0): [ 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 fff9e900cf0>] copy_process+0x640/0x1c80 # [ 56.074459] softir[ 63.253953] RSP: 002b:00007fffba5c4268 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 qs last enabled at (0): [] copy_process+0x640[ 63.268590] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f86bca858f3 /0x1c80 # [ 56.083593] softirqs last disabled at (0): [<00000[ 63.282764] RDX: 0000000000000012 RSI: 00007f86bc978000 RDI: 0000000000000001 00000000000>] 0x0 # [ 56.090592] CPU: 3 PID: 1777 Comm: cat T[ 63.296981] RBP: 00007f86bc978000 R08: 00007f86bc977010 R09: 0000000000000000 ainted: G D W 5.10.145-cip17 #1 # [ 56.099241] H[ 63.311185] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 ardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 56.1[ 63.325359] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 06045] Call Trace: # [ 56.108772] dump_stack+0x77/0x9b # [ [ 63.339587] irq event stamp: 0 56.112472] ___might_sleep.cold+0xa6/0xb6 # [ 56.117043] e[ 63.349192] hardirqs last enabled at (0): [<0000000000000000>] 0x0 xit_signals+0x1c/0x2e0 # [ 56.121022] do_exit+0xd5/0xb00 # [ 63.362452] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 56.124527] ? ksys_write+0x68/0xf0 # [ 56.128420] rewind[ 63.377817] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 _stack_do_exit+0x17/0x20 # [ 56.133087] RIP: 0033:0x7f9425e54[ 63.393170] softirqs last disabled at (0): [<0000000000000000>] 0x0 8f3 # [ 56.137075] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 [ 63.406411] ---[ end trace 7f9e6aa75646ed6b ]--- c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 7[ 63.417766] lkdtm: Zero detected: saturated 5 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 56.158057] RSP: 002b:00007ffc46fc0748 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 56.166513] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f9425e548f3 # [ 56.174483] RDX: 000000000000000c RSI: 00007f9425d47000 RDI: 0000000000000001 # [ 56.182453] RBP: 00007f9425d47000 R08: 00007f9425d46010 R09: 0000000000000000 # [ 56.190421] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 56.198389] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_RODATA: saw 'call trace:': ok ok 34 selftests: lkdtm: EXEC_RODATA.sh # selftests: lkdtm: EXEC_USERSPACE.sh # Killed # [ 56.300802] lkdtm: Performing direct entry EXEC_USERSPACE # [ 56.311893] lkdtm: attempting ok execution at ffffffff9f0dec60 # [ 56.318435] lkdtm: attempting bad execution at 00007ffbb5239000 # [ 56.331262] unable to execute userspace code (SMEP?) (uid: 0) # [ 56.337684] BUG: unable to handle page fault for address: 00007ffbb5239000 # [ [ 63.533937] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE 56.351577] #PF: supervisor instruction fetch in kernel mode # [ 63.541191] lkdtm: attempting bad refcount_dec() below zero [ 56.357898] #PF: error_code(0x0011) - permissions violation [ 63.553667] ------------[ cut here ]------------ # [ 56.364118] PGD 8000000103ef5067 P4D 8000000103ef5067 PUD 1[ 63.565076] refcount_t: decrement hit 0; leaking memory. 03d38067 PMD 105b55067 PTE 114885067 # [ 56.380056] Oops: 001[ 63.577317] WARNING: CPU: 0 PID: 2222 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 1 [#10] SMP PTI # [ 56.384047] CPU: 3 PID: 1813 Comm: cat Tai[ 63.592862] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify nted: G D W 5.10.145-cip17 #1 # [ 56.392688] Har[ 63.625585] CPU: 0 PID: 2222 Comm: cat Tainted: G D W 5.10.145-cip17 #1 dware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 56.399[ 63.640508] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 492] RIP: 0010:0x7ffbb5239000 # [ 56.403481] Code: Unable to [ 63.653503] RIP: 0010:refcount_warn_saturate+0xfb/0x110 access opcode bytes at RIP 0x7ffbb5238fd6. # [ 56.416988] RSP[ 63.665519] Code: 70 65 12 a0 c6 05 29 49 94 01 01 e8 da 65 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 40 65 12 a0 c6 05 10 49 94 01 01 e8 c0 65 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b : 0018:ffff9df5824d7e50 EFLAGS: 00010246 # [ 56.422843] RAX: [ 63.692717] RSP: 0018:ffff9df582b67e48 EFLAGS: 00010286 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 # [ 63.704744] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 [ 56.430812] RDX: 0000000000000000 RSI: ffff91263ad9bf70 RDI: [ 63.718970] RDX: ffff91263ac2c660 RSI: ffff91263ac1bf70 RDI: ffff91263ac1bf70 ffff91263ad9bf70 # [ 56.438782] RBP: 00007ffbb5239000 R08: 00[ 63.733135] RBP: ffffffffa018aac3 R08: 0000000000000000 R09: 0000000000000000 00000000000000 R09: 0000000000000000 # [ 56.446753] R10: 0000[ 63.747327] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 0000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f # [ [ 63.761525] R13: ffff9df582b67f10 R14: ffff9df582b67f10 R15: ffff9125c5ae0000 56.454723] R13: ffff9df5824d7f10 R14: ffff9df5824d7f10 R15: ffff[ 63.775711] FS: 00007fb310726580(0000) GS:ffff91263ac00000(0000) knlGS:0000000000000000 9125c3fa3000 # [ 56.462693] FS: 00007ffbb520a580(0000) GS:ff[ 63.790976] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 ff91263ad80000(0000) knlGS:0000000000000000 # [ 56.471732] CS[ 63.803604] CR2: 00007fb31052f000 CR3: 0000000104f54002 CR4: 00000000003706f0 : 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.478147[ 63.817806] Call Trace: ] CR2: 00007ffbb5239000 CR3: 00000001058cc001 CR4: 0000000000370[ 63.826736] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 6e0 # [ 56.486117] Call Trace: # [ 56.488845] ? lkdtm_EXE[ 63.838291] direct_entry.cold+0x2c/0x38 C_USERSPACE.cold+0x66/0xae # [ 56.494195] ? direct_entry.col[ 63.848888] full_proxy_write+0x53/0x80 d+0x2c/0x38 # [ 56.498769] ? full_proxy_write+0x53/0x80 # [[ 63.859377] vfs_write+0xe7/0x3a0 56.503245] ? vfs_write+0xe7/0x3a0 # [ 56.507138] ? ksys_[ 63.869293] ksys_write+0x68/0xf0 write+0x68/0xf0 # [ 56.511032] ? do_syscall_64+0x30/0x40 # [ 63.879232] do_syscall_64+0x30/0x40 [ 56.515216] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ [ 63.889433] entry_SYSCALL_64_after_hwframe+0x61/0xc6 56.521054] Modules linked in: fuse ip_tables cros_ec_sensors c[ 63.901297] RIP: 0033:0x7fb31063c8f3 ros_ec_sensors_core industrialio_triggered_buffer kfifo_buf indu[ 63.911492] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 strialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_[ 63.938705] RSP: 002b:00007ffd47bde1e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_[ 63.953362] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fb31063c8f3 usbpd_notify # [ 56.547508] CR2: 00007ffbb5239000 # [ 56.5[ 63.967555] RDX: 0000000000000016 RSI: 00007fb31052f000 RDI: 0000000000000001 57420] ---[ end trace 7f9e6aa75646ed60 ]--- # [ 56.562565] RI[ 63.981738] RBP: 00007fb31052f000 R08: 00007fb31052e010 R09: 0000000000000000 P: 0010:lkdtm_BUG+0x5/0x10 # [ 56.566963] Code: 89 ff e8 2e b[ 63.995918] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc[ 64.010110] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1[ 64.024298] irq event stamp: 0 f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 fc 93 02 # [ 56.5[ 64.033922] hardirqs last enabled at (0): [<0000000000000000>] 0x0 87961] RSP: 0018:ffff9df58149fe60 EFLAGS: 00010286 # [ 56.593[ 64.047133] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 794] RAX: ffffffff9f0de890 RBX: 0000000000000001 RCX: 0000000000[ 64.062484] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 000000 # [ 56.601767] RDX: 0000000000000000 RSI: ffff91263ad1[ 64.077843] softirqs last disabled at (0): [<0000000000000000>] 0x0 bf70 RDI: ffffffff9fd9ae90 # [ 56.609755] RBP: ffffffffa01e5d[ 64.091025] ---[ end trace 7f9e6aa75646ed6c ]--- f0 R08: 0000000000000001 R09: 0000000000000001 # [ 56.617732][ 64.102429] lkdtm: Negative detected: saturated R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 56.631918] R13: ffff9df58149ff10 R14: ffff9df58149ff10 R15: ffff9125c3246000 # [ 56.639890] FS: 00007ffbb520a580(0000) GS:ffff91263ad80000(0000) knlGS:0000000000000000 # [ 56.648921] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.655336] CR2: 00007ffbb5239000 CR3: 00000001058cc001 CR4: 00000000003706e0 # EXEC_USERSPACE: saw 'call trace:': ok ok 35 selftests: lkdtm: EXEC_USERSPACE.sh # selftests: lkdtm: EXEC_NULL.sh # Killed # [ 56.750300] lkdtm: Performing direct entry EXEC_NULL # [ 56.762124] lkdtm: attempting ok execution at ffffffff9f0dec60 # [ 56.768651] lkdtm: attempting bad execution at 0000000000000000 # [ 56.775295] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 56.783077] #PF: supervisor instruction fetch in kernel mode # [ 56.795610] #PF: error_code(0x0010) - not-present page # [ 56.801345] PGD 0 P4D 0 # [ 56.810381] Oops: 0010 [#11] SMP PTI # [ 56.814372] CPU: 3 PID: 1849 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 56.823024] Hardware name: Google Rammus/Rammus[ 64.221420] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE [ 64.233144] lkdtm: attempting bad refcount_dec_and_test() below zero [ 64.240276] ------------[ cut here ]------------ , BIOS 09/04/2020 # [ 56.829830] RIP: 0010:0x0 # [ 56.832[ 64.245466] refcount_t: underflow; use-after-free. [ 64.257056] WARNING: CPU: 2 PID: 2257 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 751] Code: Unable to access opcode bytes at RIP 0xffffffffffffff[ 64.266490] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 64.299130] CPU: 2 PID: 2257 Comm: cat Tainted: G D W 5.10.145-cip17 #1 d6. # [ 56.840428] RSP: 0018:ffff9df58253fe48 EFLAGS: 0001024[ 64.307808] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 64.320825] RIP: 0010:refcount_warn_saturate+0xba/0x110 [ 64.326712] Code: 01 01 e8 24 66 98 00 0f 0b c3 cc cc cc cc 80 3d 62 49 94 01 00 75 85 48 c7 c7 18 65 12 a0 c6 05 52 49 94 01 01 e8 01 66 98 00 <0f> 0b c3 cc cc cc cc 80 3d 3d 49 94 01 00 0f 85 5e ff ff ff 48 c7 6 # [ 56.846262] RAX: 0000000000000033 RBX: 0000000000000000 [ 64.347708] RSP: 0018:ffff9df582b1fe40 EFLAGS: 00010286 [ 64.359744] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 [ 64.367716] RDX: ffff91263ad2c660 RSI: ffff91263ad1bf70 RDI: ffff91263ad1bf70 [ 64.375686] RBP: ffffffffa018a718 R08: 0000000000000000 R09: 0000000000000000 [ 64.383656] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 64.391627] R13: ffff9df582b1ff10 R14: ffff9df582b1ff10 R15: ffff9125c3189000 [ 64.399599] FS: 00007ff78898b580(0000) GS:ffff91263ad00000(0000) knlGS:0000000000000000 [ 64.408637] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 64.415054] CR2: 00007ff788794000 CR3: 00000001064d6006 CR4: 00000000003706e0 [ 64.423025] Call Trace: [ 64.425756] __refcount_sub_and_test.constprop.0+0x3c/0x50 [ 64.431914] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 [ 64.438164] direct_entry.cold+0x2c/0x38 [ 64.442570] full_proxy_write+0x53/0x80 [ 64.446884] vfs_write+0xe7/0x3a0 [ 64.450607] ksys_write+0x68/0xf0 [ 64.454307] do_syscall_64+0x30/0x40 [ 64.458322] entry_SYSCALL_64_after_hwframe+0x61/0xc6 RCX: 0000000000000000 # [ 56.854233] RDX: 0000000000000000 RS[ 64.463969] RIP: 0033:0x7ff7888a18f3 [ 64.474166] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 64.495145] RSP: 002b:00007fff6c4512e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 64.503601] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007ff7888a18f3 [ 64.511572] RDX: 000000000000001f RSI: 00007ff788794000 RDI: 0000000000000001 [ 64.519542] RBP: 00007ff788794000 R08: 00007ff788793010 R09: 0000000000000000 [ 64.527512] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 64.535483] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 I: ffff91263ad9bf70 RDI: ffff91263ad9bf70 # [ 56.862196] RBP:[ 64.543462] irq event stamp: 0 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 #[ 64.553084] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 56.870165] R10: 00000000ffffe000 R11: 3fffffffffffffff R12:[ 64.566306] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 64.581659] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 64.590830] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 64.597833] ---[ end trace 7f9e6aa75646ed6d ]--- [ 64.603004] lkdtm: Negative detected: saturated 000000000000000a # [ 56.878137] R13: ffff9df58253ff10 R14: ffff9df58253ff10 R15: ffff9125c4cf7000 # [ 56.886107] FS: 00007fb55aa84580(0000) GS:ffff91263ad80000(0000) knlGS:0000000000000000 # [ 56.895143] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.901561] CR2: ffffffffffffffd6 CR3: 0000000103f54003 CR4: 00000000003706e0 # [ 56.909531] Call Trace: # [ 56.912260] execute_location+0x45/0x56 # [ 56.916541] direct_entry.cold+0x2c/0x38 # [ 56.920921] full_proxy_write+0x53/0x80 # [ 56.925204] vfs_write+0xe7/0x3a0 # [ 56.928900] ksys_write+0x68/0xf0 # [ 56.932590] do_syscall_64+0x30/0x40 # [ 56.936579] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 56.942218] RIP: 0033:0x7fb55a99a8f3 # [ 56.946199] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 56.967186] RSP: 002b:00007ffdc3f27f98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 56.975633] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fb55a99a8f3 # [ 56.983601][ 64.718365] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE RDX: 000000000000000a RSI: 00007fb55a88d000 RDI: 00000000000000[ 64.727609] lkdtm: attempting bad refcount_sub_and_test() below zero 01 # [ 56.991571] RBP: 00007fb55a88d000 R08: 00007fb55a88c010[ 64.740949] ------------[ cut here ]------------ R09: 0000000000000000 # [ 56.999540] R10: fffffffffffffbc5 R[ 64.752294] refcount_t: underflow; use-after-free. 11: 0000000000000246 R12: 0000000000000001 # [ 57.007508] R13[ 64.763891] WARNING: CPU: 1 PID: 2292 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 : 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 64.779505] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 57.015481] Modules linked in: fuse ip_tables cros_ec_senso[ 64.812138] CPU: 1 PID: 2292 Comm: cat Tainted: G D W 5.10.145-cip17 #1 rs cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf [ 64.827017] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros[ 64.840039] RIP: 0010:refcount_warn_saturate+0xba/0x110 _ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev c[ 64.852086] Code: 01 01 e8 24 66 98 00 0f 0b c3 cc cc cc cc 80 3d 62 49 94 01 00 75 85 48 c7 c7 18 65 12 a0 c6 05 52 49 94 01 01 e8 01 66 98 00 <0f> 0b c3 cc cc cc cc 80 3d 3d 49 94 01 00 0f 85 5e ff ff ff 48 c7 ros_usbpd_notify # [ 57.041964] CR2: 0000000000000000 # [ [ 64.879281] RSP: 0018:ffff9df582c27e40 EFLAGS: 00010286 57.045662] ---[ end trace 7f9e6aa75646ed61 ]--- # [ 57.050817[ 64.891353] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 ] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 57.055192] Code: 89 ff e8 [ 64.905520] RDX: ffff91263acac660 RSI: ffff91263ac9bf70 RDI: ffff91263ac9bf70 [ 64.919702] RBP: ffffffffa018a738 R08: 0000000000000000 R09: 0000000000000000 2e b6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 c[ 64.927674] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 64.941851] R13: ffff9df582c27f10 R14: ffff9df582c27f10 R15: ffff9125c5b30000 c cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 [ 64.949824] FS: 00007fbe32e6f580(0000) GS:ffff91263ac80000(0000) knlGS:0000000000000000 [ 64.965070] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 fc 93 02 # [ [ 64.971489] CR2: 00007fbe32c78000 CR3: 0000000105bd4004 CR4: 00000000003706e0 [ 64.985666] Call Trace: 57.076175] RSP: 0018:ffff9df58149fe60 EFLAGS: 00010286 # [ 57[ 64.988401] __refcount_sub_and_test.constprop.0+0x3c/0x50 .082014] RAX: ffffffff9f0de890 RBX: 0000000000000001 RCX: 000000[ 65.000731] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b 0000000000 # [ 57.089990] RDX: 0000000000000000 RSI: ffff9126[ 65.013168] direct_entry.cold+0x2c/0x38 3ad1bf70 RDI: ffffffff9fd9ae90 # [ 57.097968] RBP: ffffffffa0[ 65.023762] full_proxy_write+0x53/0x80 1e5df0 R08: 0000000000000001 R09: 0000000000000001 # [ 57.105[ 65.034260] vfs_write+0xe7/0x3a0 956] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000[ 65.044173] ksys_write+0x68/0xf0 000004 # [ 57.113953] R13: ffff9df58149ff10 R14: ffff9df58149[ 65.054088] do_syscall_64+0x30/0x40 ff10 R15: ffff9125c3246000 # [ 57.121930] FS: 00007fb55aa845[ 65.064292] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 65.076147] RIP: 0033:0x7fbe32d858f3 80(0000) GS:ffff91263ad80000(0000) knlGS:0000000000000000 # [ [ 65.080138] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 65.107324] RSP: 002b:00007ffc3973db88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 57.137184] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 #[ 65.115783] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fbe32d858f3 [ 57.143599] CR2: ffffffffffffffd6 CR3: 0000000103f54003 CR4:[ 65.129965] RDX: 000000000000001f RSI: 00007fbe32c78000 RDI: 0000000000000001 00000000003706e0 # [ 57.151570] BUG: sleeping function calle[ 65.144152] RBP: 00007fbe32c78000 R08: 00007fbe32c77010 R09: 0000000000000000 [ 65.158337] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 d from invalid context at include/linux/percpu-rwsem.h:49 # [ [ 65.166308] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 57.161475] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pi[ 65.180490] irq event stamp: 0 [ 65.190107] hardirqs last enabled at (0): [<0000000000000000>] 0x0 d: 1849, name: cat # [ 57.169930] INFO: lockdep is turned off[ 65.197110] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 65.212452] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 . # [ 57.174307] irq event stamp: 0 # [ 57.177712] hardirq[ 65.221590] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 65.234799] ---[ end trace 7f9e6aa75646ed6e ]--- s last enabled at (0): [<0000000000000000>] 0x0 # [ 57.18471[ 65.239967] lkdtm: Negative detected: saturated 3] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 57.193839] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 57.202975] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 57.209975] CPU: 3 PID: 1849 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 57.218624] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 57.225429] Call Trace: # [ 57.228158] dump_stack+0x77/0x9b # [ 57.231857] ___might_sleep.cold+0xa6/0xb6 # [ 57.236429] exit_signals+0x1c/0x2e0 # [ 57.240409] do_exit+0xd5/0xb00 # [ 57.243913] ? ksys_write+0x68/0xf0 # [ 57.247808] rewind_stack_do_exit+0x17/0x20 # [ 57.252477] RIP: 0033:0x7fb55a99a8f3 # [ 57.256466] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 57.277451] RSP: 002b:00007ffdc3f27f98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 57.285898] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fb55a99a8f3 # [ 57.29[ 65.358416] lkdtm: Performing direct entry REFCOUNT_INC_ZERO [ 65.369427] lkdtm: attempting safe refcount_inc_not_zero() from zero [ 65.376557] lkdtm: Good: zero detected [ 65.380775] lkdtm: Correctly stayed at zero [ 65.385443] lkdtm: attempting bad refcount_inc() from zero [ 65.391569] ------------[ cut here ]------------ 3867] RDX: 000000000000000a RSI: 00007fb55a88d000 RDI: 000000000[ 65.396725] refcount_t: addition on 0; use-after-free. 0000001 # [ 57.301836] RBP: 00007fb55a88d000 R08: 00007fb55a8[ 65.408691] WARNING: CPU: 2 PID: 2324 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 [ 65.424323] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 8c010 R09: 0000000000000000 # [ 57.309807] R10: fffffffffffff[ 65.450778] CPU: 2 PID: 2324 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 65.465633] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 65.472440] RIP: 0010:refcount_warn_saturate+0x74/0x110 [ 65.478276] Code: 01 01 e8 6a 66 98 00 0f 0b c3 cc cc cc cc 80 3d a9 49 94 01 00 75 cb 48 c7 c7 e8 64 12 a0 c6 05 99 49 94 01 01 e8 47 66 98 00 <0f> 0b c3 cc cc cc cc 80 3d 88 49 94 01 00 75 a8 48 c7 c7 c0 64 12 [ 65.499255] RSP: 0018:ffff9df582cbfe48 EFLAGS: 00010286 [ 65.505089] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 [ 65.513061] RDX: ffff91263ad2c660 RSI: ffff91263ad1bf70 RDI: ffff91263ad1bf70 [ 65.521032] RBP: ffffffffa018aad9 R08: 0000000000000000 R09: 0000000000000000 [ 65.529019] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 65.537004] R13: ffff9df582cbff10 R14: ffff9df582cbff10 R15: ffff9125c4ce3000 [ 65.545023] FS: 00007f32718aa580(0000) GS:ffff91263ad00000(0000) knlGS:0000000000000000 [ 65.554060] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 65.560479] CR2: 00007f32716b3000 CR3: 0000000103d38001 CR4: 00000000003706e0 [ 65.568449] Call Trace: [ 65.571181] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 [ 65.576143] direct_entry.cold+0x2c/0x38 [ 65.580523] full_proxy_write+0x53/0x80 [ 65.584807] vfs_write+0xe7/0x3a0 [ 65.588507] ksys_write+0x68/0xf0 [ 65.592207] do_syscall_64+0x30/0x40 [ 65.596198] entry_SYSCALL_64_after_hwframe+0x61/0xc6 bc5 R11: 0000000000000246 R12: 0000000000000001 # [ 57.317774[ 65.601841] RIP: 0033:0x7f32717c08f3 [ 65.612047] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 65.633030] RSP: 002b:00007ffde6cb17f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 65.641485] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f32717c08f3 [ 65.649455] RDX: 0000000000000012 RSI: 00007f32716b3000 RDI: 0000000000000001 [ 65.657424] RBP: 00007f32716b3000 R08: 00007f32716b2010 R09: 0000000000000000 [ 65.665393] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 ] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020[ 65.673359] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 000 # EXEC_NULL: saw 'call trace:': ok ok 36 selftests: lkdtm:[ 65.687553] irq event stamp: 0 [ 65.697174] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 65.704174] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 65.713309] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 65.722442] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 65.729463] ---[ end trace 7f9e6aa75646ed6f ]--- EXEC_NULL.sh # selftests: lkdtm: ACCESS_USERSPACE.sh # Killed[ 65.734633] lkdtm: Zero detected: saturated # [ 57.432004] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 57.443885] lkdtm: attempting bad read at 00007fb9cb658000 # [ 57.450040] BUG: unable to handle page fault for address: 00007fb9cb658000 # [ 57.463927] #PF: supervisor read access in kernel mode # [ 57.469665] #PF: error_code(0x0001) - permissions violation # [ 57.475888] PGD 80000001059c7067 P4D 80000001059c7067 PUD 10314c067 PMD 104f56067 PTE 1171b2067 # [ 57.491826] Oops: 0001 [#12] SMP PTI # [ 57.495809] CPU: 3 PID: 1884 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 57.504460] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 57.511266] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 # [ 57.517488] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 60 b9 18 a0 e8 09 9a fd ff 48 c7 c7 88 b9 18 a0 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 f0 99 fd ff 48 89 ee 48 c7 c7 b0 b9 18 # [ 57.538471] RSP: 0018:ffff9df5825ffe48 EFLAGS: 00010246 # [ 57.544302] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 # [ 57.552270] RDX: 0000000000000000 RSI: ffff91263ad9bf70 RDI: fffffff[ 65.851575] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO fa018b988 # [ 57.560237] RBP: 00007fb9cb658000 R08: 000000000[ 65.863757] lkdtm: attempting safe refcount_add_not_zero() from zero 0000000 R09: 0000000000000000 # [ 57.568207] R10: 00000000fff[ 65.877093] lkdtm: Good: zero detected fe000 R11: 3fffffffffffffff R12: 0000000000000011 # [ 57.5761[ 65.887466] lkdtm: Correctly stayed at zero 78] R13: ffff9df5825fff10 R14: ffff9df5825fff10 R15: ffff9125c3e[ 65.898347] lkdtm: attempting bad refcount_add() from zero 25000 # [ 57.584146] FS: 00007fb9cb629580(0000) GS:ffff91263[ 65.910686] ------------[ cut here ]------------ ad80000(0000) knlGS:0000000000000000 # [ 57.593186] CS: 0010[ 65.922056] refcount_t: addition on 0; use-after-free. DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.599600] CR2: [ 65.934055] WARNING: CPU: 1 PID: 2356 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 00007fb9cb658000 CR3: 00000001031d0003 CR4: 00000000003706e0 # [ 65.949691] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 57.607568] Call Trace: # [ 57.610296] direct_entry.cold+[ 65.982326] CPU: 1 PID: 2356 Comm: cat Tainted: G D W 5.10.145-cip17 #1 0x2c/0x38 # [ 57.614674] full_proxy_write+0x53/0x80 # [ 5[ 65.997193] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 7.618966] vfs_write+0xe7/0x3a0 # [ 57.622666] ksys_write+0x[ 66.010216] RIP: 0010:refcount_warn_saturate+0x74/0x110 68/0xf0 # [ 57.626363] do_syscall_64+0x30/0x40 # [ 57.630[ 66.022269] Code: 01 01 e8 6a 66 98 00 0f 0b c3 cc cc cc cc 80 3d a9 49 94 01 00 75 cb 48 c7 c7 e8 64 12 a0 c6 05 99 49 94 01 01 e8 47 66 98 00 <0f> 0b c3 cc cc cc cc 80 3d 88 49 94 01 00 75 a8 48 c7 c7 c0 64 12 352] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 57.636005][ 66.049497] RSP: 0018:ffff9df582d1fe48 EFLAGS: 00010286 RIP: 0033:0x7fb9cb53f8f3 # [ 57.640026] Code: 8b 15 a1 25 0e[ 66.061527] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 [ 66.075710] RDX: ffff91263acac660 RSI: ffff91263ac9bf70 RDI: ffff91263ac9bf70 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff[ 66.089897] RBP: ffffffffa018aaeb R08: 0000000000000000 R09: 0000000000000000 ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 57.66[ 66.104085] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 1011] RSP: 002b:00007ffd0643c478 EFLAGS: 00000246 ORIG_RAX: 0000[ 66.118271] R13: ffff9df582d1ff10 R14: ffff9df582d1ff10 R15: ffff9125c3d34000 000000000001 # [ 57.669467] RAX: ffffffffffffffda RBX: 000000[ 66.132458] FS: 00007f1c14998580(0000) GS:ffff91263ac80000(0000) knlGS:0000000000000000 0000000011 RCX: 00007fb9cb53f8f3 # [ 57.677435] RDX: 00000000[ 66.147711] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 00000011 RSI: 00007fb9cb432000 RDI: 0000000000000001 # [ 57.6[ 66.160345] CR2: 00007f1c147a1000 CR3: 0000000104f1c004 CR4: 00000000003706e0 85403] RBP: 00007fb9cb432000 R08: 00007fb9cb431010 R09: 00000000[ 66.174531] Call Trace: 00000000 # [ 57.693371] R10: fffffffffffffbc5 R11: 0000000000[ 66.183477] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 000246 R12: 0000000000000001 # [ 57.701340] R13: 000000000000[ 66.194653] direct_entry.cold+0x2c/0x38 0001 R14: 0000000000020000 R15: 0000000000020000 # [ 57.70931[ 66.205247] full_proxy_write+0x53/0x80 5] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sen[ 66.215744] vfs_write+0xe7/0x3a0 sors_core industrialio_triggered_buffer kfifo_buf industrialio c[ 66.225659] ksys_write+0x68/0xf0 ros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub [ 66.235572] do_syscall_64+0x30/0x40 cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_noti[ 66.245777] entry_SYSCALL_64_after_hwframe+0x61/0xc6 fy # [ 57.735770] CR2: 00007fb9cb658000 # [ 57.745681] ---[ 66.257631] RIP: 0033:0x7f1c148ae8f3 [ end trace 7f9e6aa75646ed62 ]--- # [ 57.750829] RIP: 0010:lk[ 66.267835] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 dtm_BUG+0x5/0x10 # [ 57.755208] Code: 89 ff e8 2e b6 a3 ff 48[ 66.295029] RSP: 002b:00007ffc672f07d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 [ 66.309697] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f1c148ae8f3 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00[ 66.323885] RDX: 0000000000000012 RSI: 00007f1c147a1000 RDI: 0000000000000001 [ 66.338072] RBP: 00007f1c147a1000 R08: 00007f1c147a0010 R09: 0000000000000000 00 00 00 0f 1f 44 00 00 83 05 80 fc 93 02 # [ 57.776183] RSP[ 66.346046] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 66.360223] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 : 0018:ffff9df58149fe60 EFLAGS: 00010286 # [ 57.782017] RAX: [ 66.368200] irq event stamp: 0 ffffffff9f0de890 RBX: 0000000000000001 RCX: 0000000000000000 # [ 66.377811] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 57.790008] RDX: 0000000000000000 RSI: ffff91263ad1bf70 RDI: [ 66.391026] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 ffffffff9fd9ae90 # [ 57.797977] RBP: ffffffffa01e5df0 R08: 00[ 66.406377] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 66.421727] softirqs last disabled at (0): [<0000000000000000>] 0x0 00000000000001 R09: 0000000000000001 # [ 57.805965] R10: 0000[ 66.428730] ---[ end trace 7f9e6aa75646ed70 ]--- [ 66.440092] lkdtm: Zero detected: saturated 0000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 57.813960] R13: ffff9df58149ff10 R14: ffff9df58149ff10 R15: ffff9125c3246000 # [ 57.821931] FS: 00007fb9cb629580(0000) GS:ffff91263ad80000(0000) knlGS:0000000000000000 # [ 57.830969] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.837384] CR2: 00007fb9cb658000 CR3: 00000001031d0003 CR4: 00000000003706e0 # ACCESS_USERSPACE: saw 'call trace:': ok ok 37 selftests: lkdtm: ACCESS_USERSPACE.sh # selftests: lkdtm: ACCESS_NULL.sh # Killed # [ 57.971562] lkdtm: Performing direct entry ACCESS_NULL # [ 57.981665] lkdtm: attempting bad read at 0000000000000000 # [ 57.987822] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 58.001805] #PF: supervisor read access in kernel mode # [ 58.007542] #PF: error_code(0x0000) - not-present page # [ 58.013277] PGD 0 P4D 0 # [ 58.016101] Oops: 0000 [#13] SMP PTI # [ 58.020090] CPU: 3 PID: 1919 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 58.028739] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 58.035547] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 # [ 58.040798] Code: ad 99 fd ff be 00 10 00 00 48 89 ef e8 ad a9 39[ 66.558964] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED [ 66.569692] lkdtm: attempting bad refcount_inc() from saturated [ 66.576318] ------------[ cut here ]------------ ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 60 b9 18 a0 [ 66.581484] refcount_t: saturated; leaking memory. e8 87 99 fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7[ 66.593055] WARNING: CPU: 3 PID: 2391 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 [ 66.608689] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 88 b9 18 a0 48 01 # [ 58.061784] RSP: 0018:ffff9df58266fe58 [ 66.635141] CPU: 3 PID: 2391 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 66.650012] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 66.656851] RIP: 0010:refcount_warn_saturate+0x51/0x110 [ 66.662687] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d cd 49 94 01 00 75 ee 48 c7 c7 c0 64 12 a0 c6 05 bd 49 94 01 01 e8 6a 66 98 00 <0f> 0b c3 cc cc cc cc 80 3d a9 49 94 01 00 75 cb 48 c7 c7 e8 64 12 [ 66.683670] RSP: 0018:ffff9df582ddfe48 EFLAGS: 00010286 [ 66.689504] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 [ 66.697473] RDX: ffff91263adac660 RSI: ffff91263ad9bf70 RDI: ffff91263ad9bf70 [ 66.705435] RBP: ffffffffa018aafd R08: 0000000000000000 R09: 0000000000000000 [ 66.713404] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 66.721374] R13: ffff9df582ddff10 R14: ffff9df582ddff10 R15: ffff9125c3ec5000 [ 66.729346] FS: 00007f017ebb7580(0000) GS:ffff91263ad80000(0000) knlGS:0000000000000000 [ 66.738383] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.744790] CR2: 00007f017e9c0000 CR3: 0000000104cf4003 CR4: 00000000003706e0 [ 66.752761] Call Trace: [ 66.755490] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 EFLAGS: 00010246 # [ 58.067607] RAX: 000000000000002e RBX: 00[ 66.760971] direct_entry.cold+0x2c/0x38 [ 66.771563] full_proxy_write+0x53/0x80 [ 66.775870] vfs_write+0xe7/0x3a0 [ 66.779569] ksys_write+0x68/0xf0 [ 66.783270] do_syscall_64+0x30/0x40 [ 66.787260] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 66.792901] RIP: 0033:0x7f017eacd8f3 [ 66.796892] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 00000000000027 RCX: 0000000000000000 # [ 58.075577] RDX: 0000[ 66.817875] RSP: 002b:00007ffc7ab148b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 66.832545] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f017eacd8f3 [ 66.840515] RDX: 0000000000000017 RSI: 00007f017e9c0000 RDI: 0000000000000001 [ 66.848484] RBP: 00007f017e9c0000 R08: 00007f017e9bf010 R09: 0000000000000000 [ 66.856455] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 000000000000 RSI: ffff91263ad9bf70 RDI: ffff91263ad9bf70 # [ [ 66.864425] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 58.083548] RBP: ffffffffa018aa51 R08: 0000000000000000 R09: 0000[ 66.878615] irq event stamp: 0 [ 66.888230] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 66.895230] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 66.904365] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 66.913499] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 66.920519] ---[ end trace 7f9e6aa75646ed71 ]--- 000000000000 # [ 58.091517] R10: 00000000ffffe000 R11: 3fffff[ 66.925685] lkdtm: Saturation detected: still saturated ffffffffff R12: 000000000000000c # [ 58.099487] R13: ffff9df58266ff10 R14: ffff9df58266ff10 R15: ffff9125c32a1000 # [ 58.107458] FS: 00007f0769fd4580(0000) GS:ffff91263ad80000(0000) knlGS:0000000000000000 # [ 58.116497] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 58.122913] CR2: 0000000000000000 CR3: 0000000103d44003 CR4: 00000000003706e0 # [ 58.130884] Call Trace: # [ 58.133611] direct_entry.cold+0x2c/0x38 # [ 58.138012] full_proxy_write+0x53/0x80 # [ 58.142293] vfs_write+0xe7/0x3a0 # [ 58.145992] ksys_write+0x68/0xf0 # [ 58.149692] do_syscall_64+0x30/0x40 # [ 58.153681] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 58.159321] RIP: 0033:0x7f0769eea8f3 # [ 58.163309] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 58.184290] RSP: 002b:00007ffc3e50edd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 58.192746] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f0769eea8f3 # [ 58.200706] RDX: 000000000000000c RSI: 00007f0769ddd000 RDI: 0000000000000001 # [ 58.208673] RBP: 00007[ 67.051654] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED f0769ddd000 R08: 00007f0769ddc010 R09: 0000000000000000 # [ 5[ 67.062791] lkdtm: attempting bad refcount_dec() from saturated 8.216642] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 00000[ 67.075651] ------------[ cut here ]------------ 00000000001 # [ 58.224609] R13: 0000000000000001 R14: 0000000[ 67.087007] refcount_t: decrement hit 0; leaking memory. 000020000 R15: 0000000000020000 # [ 58.232583] Modules linked[ 67.099165] WARNING: CPU: 0 PID: 2426 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industr[ 67.114816] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify ialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros[ 67.147465] CPU: 0 PID: 2426 Comm: cat Tainted: G D W 5.10.145-cip17 #1 _ec_debugfs cros_ec_lightbar cros_ec_sensorhub cros_ec_chardev x[ 67.162325] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 58.2590[ 67.175361] RIP: 0010:refcount_warn_saturate+0xfb/0x110 32] CR2: 0000000000000000 # [ 58.268962] ---[ end trace 7f9e6[ 67.187450] Code: 70 65 12 a0 c6 05 29 49 94 01 01 e8 da 65 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 40 65 12 a0 c6 05 10 49 94 01 01 e8 c0 65 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b aa75646ed63 ]--- # [ 58.274116] RIP: 0010:lkdtm_BUG+0x5/0x10[ 67.214617] RSP: 0018:ffff9df582e67e48 EFLAGS: 00010286 # [ 58.278491] Code: 89 ff e8 2e b6 a3 ff 48 c7 c0 ea ff ff f[ 67.226696] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 f eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff[ 67.240893] RDX: ffff91263ac2c660 RSI: ffff91263ac1bf70 RDI: ffff91263ac1bf70 eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 4[ 67.255066] RBP: ffffffffa018ab14 R08: 0000000000000000 R09: 0000000000000000 4 00 00 83 05 80 fc 93 02 # [ 58.299476] RSP: 0018:ffff9df581[ 67.269262] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 49fe60 EFLAGS: 00010286 # [ 58.305308] RAX: ffffffff9f0de890 [ 67.283441] R13: ffff9df582e67f10 R14: ffff9df582e67f10 R15: ffff9125c4f22000 RBX: 0000000000000001 RCX: 0000000000000000 # [ 58.313276] RD[ 67.297618] FS: 00007fdfa1d71580(0000) GS:ffff91263ac00000(0000) knlGS:0000000000000000 X: 0000000000000000 RSI: ffff91263ad1bf70 RDI: ffffffff9fd9ae90[ 67.312883] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 58.321244] RBP: ffffffffa01e5df0 R08: 0000000000000001 R0[ 67.325510] CR2: 00007fdfa1b7a000 CR3: 0000000103cb4002 CR4: 00000000003706f0 9: 0000000000000001 # [ 58.329212] R10: 00000000ffffe000 R11:[ 67.339704] Call Trace: 3fffffffffffffff R12: 0000000000000004 # [ 58.337181] R13: f[ 67.348642] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f fff9df58149ff10 R14: ffff9df58149ff10 R15: ffff9125c3246000 # [[ 67.360323] direct_entry.cold+0x2c/0x38 58.345149] FS: 00007f0769fd4580(0000) GS:ffff91263ad80000(00[ 67.370896] full_proxy_write+0x53/0x80 00) knlGS:0000000000000000 # [ 58.354187] CS: 0010 DS: 0000 [ 67.381385] vfs_write+0xe7/0x3a0 ES: 0000 CR0: 0000000080050033 # [ 58.360603] CR2: 0000000000[ 67.391287] ksys_write+0x68/0xf0 000000 CR3: 0000000103d44003 CR4: 00000000003706e0 # [ 58.368[ 67.401208] do_syscall_64+0x30/0x40 574] BUG: sleeping function called from invalid context at inclu[ 67.411427] entry_SYSCALL_64_after_hwframe+0x61/0xc6 de/linux/percpu-rwsem.h:49 # [ 58.378486] in_atomic(): 0, irq[ 67.423276] RIP: 0033:0x7fdfa1c878f3 s_disabled(): 1, non_block: 0, pid: 1919, name: cat # [ 58.38[ 67.433490] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 6963] INFO: lockdep is turned off. # [ 58.391340] irq event s[ 67.460714] RSP: 002b:00007ffe126ce3c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 tamp: 0 # [ 58.394746] hardirqs last enabled at (0): [<00000[ 67.475380] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fdfa1c878f3 00000000000>] 0x0 # [ 58.401747] hardirqs last disabled at (0[ 67.489568] RDX: 0000000000000017 RSI: 00007fdfa1b7a000 RDI: 0000000000000001 ): [] copy_process+0x640/0x1c80 # [ 58.4108[ 67.503752] RBP: 00007fdfa1b7a000 R08: 00007fdfa1b79010 R09: 0000000000000000 85] softirqs last enabled at (0): [] copy_pro[ 67.517924] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 cess+0x640/0x1c80 # [ 58.420022] softirqs last disabled at (0[ 67.532125] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ): [<0000000000000000>] 0x0 # [ 58.427023] CPU: 3 PID: 1919 C[ 67.546337] irq event stamp: 0 omm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 58[ 67.555959] hardirqs last enabled at (0): [<0000000000000000>] 0x0 .435663] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 67.569134] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 58.442467] Call Trace: # [ 58.445194] dump_stack+0x77/[ 67.584509] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 0x9b # [ 58.448891] ___might_sleep.cold+0xa6/0xb6 # [ 58.[ 67.599898] softirqs last disabled at (0): [<0000000000000000>] 0x0 453463] exit_signals+0x1c/0x2e0 # [ 58.457452] do_exit+0xd5[ 67.613075] ---[ end trace 7f9e6aa75646ed72 ]--- /0xb00 # [ 58.460964] ? ksys_write+0x68/0xf0 # [ 58.46484[ 67.624477] lkdtm: Saturation detected: still saturated 9] rewind_stack_do_exit+0x17/0x20 # [ 58.469516] RIP: 0033:0x7f0769eea8f3 # [ 58.473504] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 58.494485] RSP: 002b:00007ffc3e50edd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 58.502939] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f0769eea8f3 # [ 58.510931] RDX: 000000000000000c RSI: 00007f0769ddd000 RDI: 0000000000000001 # [ 58.518899] RBP: 00007f0769ddd000 R08: 00007f0769ddc010 R09: 0000000000000000 # [ 58.526870] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 58.534837] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # ACCESS_NULL: saw 'call trace:': ok ok 38 selftests: lkdtm: ACCESS_NULL.sh # selftests: lkdtm: WRITE_RO.sh # Killed # [ 58.654922] lkdtm: Performing direct entry WRITE_RO # [ 58.666382] lkdtm: attempting bad rodata write at ffffffff9fd9b310 # [ 58.673323] BUG: unable to handle page fault for address: ffffffff9fd9b310 # [ 58.681031] #PF: supervisor write access in kernel mode # [ 58.686866[ 67.748923] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED ] #PF: error_code(0x0003) - permissions violation # [ 58.6930[ 67.761547] lkdtm: attempting bad refcount_dec() from saturated 91] PGD 2f229067 P4D 2f229067 PUD 2f22a063 PMD 800000002ea000e1 [ 67.774373] ------------[ cut here ]------------ # [ 58.700579] Oops: 0003 [#14] SMP PTI # [ 58.710781] CP[ 67.785742] refcount_t: saturated; leaking memory. U: 3 PID: 1954 Comm: cat Tainted: G D W 5.10.145-ci[ 67.797315] WARNING: CPU: 1 PID: 2461 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 p17 #1 # [ 58.719433] Hardware name: Google Rammus/Rammus, BI[ 67.812966] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify OS 09/04/2020 # [ 58.726240] RIP: 0010:lkdtm_WRITE_RO+0x2e/0[ 67.845625] CPU: 1 PID: 2461 Comm: cat Tainted: G D W 5.10.145-cip17 #1 x3a # [ 58.731200] Code: 00 48 c7 c7 40 b8 18 a0 48 c7 c6 10 [ 67.860468] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 b3 d9 9f e8 31 9c fd ff 48 8b 05 87 ed 62 00 ba 34 12 cd ab 48 c[ 67.873486] RIP: 0010:refcount_warn_saturate+0x51/0x110 7 c7 70 b8 18 a0 48 31 d0 <48> 89 05 71 ed 62 00 e9 0f 9c fd ff [ 67.885536] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d cd 49 94 01 00 75 ee 48 c7 c7 c0 64 12 a0 c6 05 bd 49 94 01 01 e8 6a 66 98 00 <0f> 0b c3 cc cc cc cc 80 3d a9 49 94 01 00 75 cb 48 c7 c7 e8 64 12 0f 1f 44 00 00 48 8b 05 80 bd # [ 58.758397] RSP: 0018:ffff9d[ 67.912731] RSP: 0018:ffff9df582eefe48 EFLAGS: 00010286 [ 67.924781] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 f5826dfe60 EFLAGS: 00010202 # [ 58.764231] RAX: 000000000198b[ 67.932754] RDX: ffff91263acac660 RSI: ffff91263ac9bf70 RDI: ffff91263ac9bf70 [ 67.946933] RBP: ffffffffa018ab2b R08: 0000000000000000 R09: 0000000000000000 861 RBX: 0000000000000028 RCX: 0000000000000000 # [ 58.772201[ 67.954930] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 67.969110] R13: ffff9df582eeff10 R14: ffff9df582eeff10 R15: ffff9125c3c11000 ] RDX: 00000000abcd1234 RSI: ffff91263ad9bf70 RDI: ffffffffa018b[ 67.977083] FS: 00007ff8a200f580(0000) GS:ffff91263ac80000(0000) knlGS:0000000000000000 [ 67.992330] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 870 # [ 58.780171] RBP: ffffffffa018aa5d R08: 000000000000000[ 67.998749] CR2: 00007ff8a1e18000 CR3: 0000000105b52004 CR4: 00000000003706e0 0 R09: 0000000000000000 # [ 58.788139] R10: 00000000ffffe000 [ 68.012929] Call Trace: R11: 3fffffffffffffff R12: 0000000000000009 # [ 58.796110] R1[ 68.021873] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 3: ffff9df5826dff10 R14: ffff9df5826dff10 R15: ffff9125c5907000[ 68.033536] direct_entry.cold+0x2c/0x38 # [ 58.804081] FS: 00007f42400b5580(0000) GS:ffff91263ad8000[ 68.044131] full_proxy_write+0x53/0x80 0(0000) knlGS:0000000000000000 # [ 58.813120] CS: 0010 DS: 0[ 68.054627] vfs_write+0xe7/0x3a0 000 ES: 0000 CR0: 0000000080050033 # [ 58.819535] CR2: ffffff[ 68.064540] ksys_write+0x68/0xf0 ff9fd9b310 CR3: 0000000104c50003 CR4: 00000000003706e0 # [ 58[ 68.074460] do_syscall_64+0x30/0x40 .827506] Call Trace: # [ 58.830233] direct_entry.cold+0x2c/0[ 68.084665] entry_SYSCALL_64_after_hwframe+0x61/0xc6 x38 # [ 58.834613] full_proxy_write+0x53/0x80 # [ 58.8388[ 68.096522] RIP: 0033:0x7ff8a1f258f3 94] vfs_write+0xe7/0x3a0 # [ 58.842593] ksys_write+0x68/0xf[ 68.106727] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 0 # [ 58.846293] do_syscall_64+0x30/0x40 # [ 58.850282] [ 68.133920] RSP: 002b:00007ffc5d1ad798 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 58.855912] RIP: [ 68.148591] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007ff8a1f258f3 0033:0x7f423ffcb8f3 # [ 58.859891] Code: 8b 15 a1 25 0e 00 f7[ 68.162777] RDX: 0000000000000017 RSI: 00007ff8a1e18000 RDI: 0000000000000001 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 [ 68.176963] RBP: 00007ff8a1e18000 R08: 00007ff8a1e17010 R09: 0000000000000000 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77[ 68.191147] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 58.880874] [ 68.205334] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 RSP: 002b:00007ffcf64ad158 EFLAGS: 00000246 ORIG_RAX: 0000000000[ 68.219527] irq event stamp: 0 000001 # [ 58.889331] RAX: ffffffffffffffda RBX: 000000000000[ 68.229145] hardirqs last enabled at (0): [<0000000000000000>] 0x0 0009 RCX: 00007f423ffcb8f3 # [ 58.897289] RDX: 00000000000000[ 68.242362] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 09 RSI: 00007f423febe000 RDI: 0000000000000001 # [ 58.905258][ 68.257713] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 RBP: 00007f423febe000 R08: 00007f423febd010 R09: 00000000000000[ 68.273065] softirqs last disabled at (0): [<0000000000000000>] 0x0 00 # [ 58.913226] R10: fffffffffffffbc5 R11: 0000000000000246[ 68.286278] ---[ end trace 7f9e6aa75646ed73 ]--- R12: 0000000000000001 # [ 58.921193] R13: 0000000000000001 R[ 68.297652] lkdtm: Saturation detected: still saturated 14: 0000000000020000 R15: 0000000000020000 # [ 58.929166] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 58.955616] CR2: ffffffff9fd9b310 # [ 58.965525] ---[ end trace 7f9e6aa75646ed64 ]--- # [ 58.970680] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 58.975049] Code: 89 ff e8 2e b6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 fc 93 02 # [ 58.996022] RSP: 0018:ffff9df58149fe60 EFLAGS: 00010286 # [ 59.001857] RAX: ffffffff9f0de890 RBX: 0000000000000001 RCX: 0000000000000000 # [ 59.009823] RDX: 0000000000000000 RSI: ffff91263ad1bf70 RDI: ffffffff9fd9ae90 # [ 59.017792] RBP: ffffffffa01e5df0 R08: 0000000000000001 R09: 0000000000000001 # [ 59.025761] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 59.033728] R13: ffff9df58149ff10 R14: ffff9df58149ff10 R15: ffff9125c3246000 # [ 59.041697] FS: 00007f42400b5580(0000) GS:ffff91263ad80000(0000) knlGS:0000000000000000 # [ 59.050732] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 59.057147] CR2: ffffffff9fd9b310 CR3: 0000000104c50003 CR4: 00000000003706e0 #[ 68.442273] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED WRITE_RO: saw 'call trace:': ok ok 39 selftests: lkdtm: WRITE_[ 68.454131] lkdtm: attempting bad refcount_inc_not_zero() from saturated RO.sh # selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # Killed # [[ 68.467839] ------------[ cut here ]------------ [ 68.479205] refcount_t: saturated; leaking memory. 59.174121] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT[ 68.484584] WARNING: CPU: 1 PID: 2493 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 59.183540] lkdtm: attempting bad ro_after_init write at [ 68.500193] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify ffffffffa0208330 # [ 59.197365] BUG: unable to handle page fa[ 68.532828] CPU: 1 PID: 2493 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 68.547688] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 ult for address: ffffffffa0208330 # [ 59.211235] #PF: supervi[ 68.554497] RIP: 0010:refcount_warn_saturate+0x97/0x110 [ 68.566540] Code: 01 01 e8 47 66 98 00 0f 0b c3 cc cc cc cc 80 3d 88 49 94 01 00 75 a8 48 c7 c7 c0 64 12 a0 c6 05 78 49 94 01 01 e8 24 66 98 00 <0f> 0b c3 cc cc cc cc 80 3d 62 49 94 01 00 75 85 48 c7 c7 18 65 12 sor write access in kernel mode # [ 59.217068] #PF: error_cod[ 68.587522] RSP: 0018:ffff9df582f7fe38 EFLAGS: 00010282 [ 68.599566] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 e(0x0003) - permissions violation # [ 59.223295] PGD 2f229067[ 68.607563] RDX: ffff91263acac660 RSI: ffff91263ac9bf70 RDI: ffff91263ac9bf70 [ 68.621740] RBP: ffffffffa018a758 R08: 0000000000000000 R09: 0000000000000000 [ 68.629712] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 P4D 2f229067 PUD 2f22a063 PMD 104923063 PTE 800000002f008061 #[ 68.637685] R13: ffff9df582f7ff10 R14: ffff9df582f7ff10 R15: ffff9125c4718000 [ 68.651864] FS: 00007fe1d5908580(0000) GS:ffff91263ac80000(0000) knlGS:0000000000000000 [ 59.238264] Oops: 0003 [#15] SMP PTI # [ 59.242252] CPU: [ 68.660904] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 1 PID: 1989 Comm: cat Tainted: G D W 5.10.145-cip17[ 68.673532] CR2: 00007fe1d5711000 CR3: 00000001034ca002 CR4: 00000000003706e0 [ 68.687739] Call Trace: #1 # [ 59.250902] Hardware name: Google Rammus/Rammus, BIOS [ 68.690472] __refcount_add_not_zero.constprop.0+0x2a/0x35 09/04/2020 # [ 59.257708] RIP: 0010:lkdtm_WRITE_RO_AFTER_INI[ 68.702812] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 [ 68.715346] direct_entry.cold+0x2c/0x38 T+0x4e/0x5a # [ 59.263737] Code: b8 18 a0 e9 e3 9b fd ff 48 c[ 68.719730] full_proxy_write+0x53/0x80 7 c7 c8 b8 18 a0 e8 d7 9b fd ff 48 8b 05 4d bd a9 00 ba 34 12 cd[ 68.730225] vfs_write+0xe7/0x3a0 ab 48 c7 c7 70 b8 18 a0 48 31 d0 <48> 89 05 37 bd a9 00 e9 b5 9[ 68.740149] ksys_write+0x68/0xf0 b fd ff 0f 1f 44 00 00 41 54 48 c7 c7 # [ 59.290931] RSP: 001[ 68.750061] do_syscall_64+0x30/0x40 8:ffff9df58276fe60 EFLAGS: 00010202 # [ 59.296765] RAX: 00000[ 68.760264] entry_SYSCALL_64_after_hwframe+0x61/0xc6 000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 # [ 5[ 68.772122] RIP: 0033:0x7fe1d581e8f3 9.304736] RDX: 00000000abcd1234 RSI: ffff91263ac9bf70 RDI: fffff[ 68.782328] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 fffa018b870 # [ 59.312706] RBP: ffffffffa018aa66 R08: 0000000[ 68.809538] RSP: 002b:00007fffba132be8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 000000000 R09: 0000000000000000 # [ 59.320675] R10: 00000000f[ 68.824201] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fe1d581e8f3 fffe000 R11: 3fffffffffffffff R12: 0000000000000014 # [ 59.32[ 68.838383] RDX: 0000000000000020 RSI: 00007fe1d5711000 RDI: 0000000000000001 8642] R13: ffff9df58276ff10 R14: ffff9df58276ff10 R15: ffff9125c[ 68.852570] RBP: 00007fe1d5711000 R08: 00007fe1d5710010 R09: 0000000000000000 3cb5000 # [ 59.336612] FS: 00007f86b7322580(0000) GS:ffff912[ 68.866756] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 63ac80000(0000) knlGS:0000000000000000 # [ 59.345648] CS: 00[ 68.880969] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 10 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 59.352063] CR2[ 68.895158] irq event stamp: 0 : ffffffffa0208330 CR3: 0000000104d3e001 CR4: 00000000003706e0 [ 68.904775] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 59.360032] Call Trace: # [ 59.362760] direct_entry.col[ 68.917992] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 d+0x2c/0x38 # [ 59.367143] full_proxy_write+0x53/0x80 # [ [ 68.933342] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 59.371425] vfs_write+0xe7/0x3a0 # [ 59.381332] ksys_write+[ 68.948695] softirqs last disabled at (0): [<0000000000000000>] 0x0 0x68/0xf0 # [ 59.385032] do_syscall_64+0x30/0x40 # [ 59.3[ 68.961911] ---[ end trace 7f9e6aa75646ed74 ]--- 89021] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 59.40087[ 68.973282] lkdtm: Saturation detected: still saturated 0] RIP: 0033:0x7f86b72388f3 # [ 59.404850] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 59.425830] RSP: 002b:00007ffef7218d48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 59.434284] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f86b72388f3 # [ 59.442253] RDX: 0000000000000014 RSI: 00007f86b712b000 RDI: 0000000000000001 # [ 59.450221] RBP: 00007f86b712b000 R08: 00007f86b712a010 R09: 0000000000000000 # [ 59.458188] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 59.466157] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 59.474129] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 59.506763] CR2: ffffffffa0208330 # [ 59.510461] ---[ end trace 7f9e6aa75646ed65 ]--- # [ 59.515616] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 59.520014] Code: 89 ff e8 2e b6 a3 ff [ 69.101699] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED [ 69.111116] lkdtm: attempting bad refcount_add_not_zero() from saturated 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 4[ 69.118629] ------------[ cut here ]------------ 8 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 [ 69.129999] refcount_t: saturated; leaking memory. [ 69.141575] WARNING: CPU: 3 PID: 2525 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 [ 69.151018] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 00 00 00 00 0f 1f 44 00 00 83 05 80 fc 93 02 # [ 59.541010] R[ 69.177468] CPU: 3 PID: 2525 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 69.192350] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 SP: 0018:ffff9df58149fe60 EFLAGS: 00010286 # [ 59.546843] RAX[ 69.199168] RIP: 0010:refcount_warn_saturate+0x97/0x110 [ 69.211209] Code: 01 01 e8 47 66 98 00 0f 0b c3 cc cc cc cc 80 3d 88 49 94 01 00 75 a8 48 c7 c7 c0 64 12 a0 c6 05 78 49 94 01 01 e8 24 66 98 00 <0f> 0b c3 cc cc cc cc 80 3d 62 49 94 01 00 75 85 48 c7 c7 18 65 12 [ 69.232190] RSP: 0018:ffff9df582fe7e38 EFLAGS: 00010282 [ 69.238026] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 [ 69.246009] RDX: ffff91263adac660 RSI: ffff91263ad9bf70 RDI: ffff91263ad9bf70 [ 69.254014] RBP: ffffffffa018a778 R08: 0000000000000000 R09: 0000000000000000 [ 69.261985] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 69.269968] R13: ffff9df582fe7f10 R14: ffff9df582fe7f10 R15: ffff9125c4ca0000 : ffffffff9f0de890 RBX: 0000000000000001 RCX: 0000000000000000 [ 69.277939] FS: 00007f70b69a9580(0000) GS:ffff91263ad80000(0000) knlGS:0000000000000000 [ 69.293186] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.299602] CR2: 00007f70b67b2000 CR3: 0000000105bbe005 CR4: 00000000003706e0 [ 69.307572] Call Trace: [ 69.310303] __refcount_add_not_zero.constprop.0+0x2a/0x35 [ 69.316453] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 [ 69.322772] direct_entry.cold+0x2c/0x38 [ 69.327153] full_proxy_write+0x53/0x80 [ 69.331435] vfs_write+0xe7/0x3a0 [ 69.335136] ksys_write+0x68/0xf0 [ 69.338837] do_syscall_64+0x30/0x40 [ 69.342826] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 69.348467] RIP: 0033:0x7f70b68bf8f3 [ 69.352456] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 69.373436] RSP: 002b:00007ffe016a2bf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 69.381891] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f70b68bf8f3 [ 69.389861] RDX: 0000000000000020 RSI: 00007f70b67b2000 RDI: 0000000000000001 # [ 59.554812] RDX: 0000000000000000 RSI: ffff91263ad1bf70 RDI[ 69.397834] RBP: 00007f70b67b2000 R08: 00007f70b67b1010 R09: 0000000000000000 [ 69.412022] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 : ffffffff9fd9ae90 # [ 59.562781] RBP: ffffffffa01e5df0 R08: [ 69.419994] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 69.434186] irq event stamp: 0 0000000000000001 R09: 0000000000000001 # [ 59.570750] R10: 00[ 69.437621] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 69.450833] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 69.460015] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 69.469155] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 69.476157] ---[ end trace 7f9e6aa75646ed75 ]--- [ 69.481314] lkdtm: Saturation detected: still saturated 000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 59.578719] R13: ffff9df58149ff10 R14: ffff9df58149ff10 R15: ffff9125c3246000 # [ 59.586689] FS: 00007f86b7322580(0000) GS:ffff91263ac80000(0000) knlGS:0000000000000000 # [ 59.595725] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 59.602142] CR2: ffffffffa0208330 CR3: 0000000104d3e001 CR4: 00000000003706e0 # [ 59.610101] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 59.620014] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1989, name: cat # [ 59.628459] INFO: lockdep is turned off. # [ 59.632835] irq event stamp: 0 # [ 59.636240] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 59.643238] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 59.652361] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 59.661496] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 59.668494] CPU: 1 PID: 1989 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 59.677143] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 59.683962] Call Trace: # [ 59.686687[ 69.602505] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED ] dump_stack+0x77/0x9b # [ 59.690387] ___might_sleep.cold+0[ 69.613007] lkdtm: attempting bad refcount_dec_and_test() from saturated xa6/0xb6 # [ 59.694965] exit_signals+0x1c/0x2e0 # [ 59.69[ 69.626722] ------------[ cut here ]------------ 8963] do_exit+0xd5/0xb00 # [ 59.702467] ? ksys_write+0x68/0[ 69.638085] refcount_t: underflow; use-after-free. xf0 # [ 59.706359] rewind_stack_do_exit+0x17/0x20 # [ 59.[ 69.649658] WARNING: CPU: 0 PID: 2560 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 711027] RIP: 0033:0x7f86b72388f3 # [ 59.721229] Code: 8b 15 a[ 69.665294] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64[ 69.697949] CPU: 0 PID: 2560 Comm: cat Tainted: G D W 5.10.145-cip17 #1 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 0[ 69.712810] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 0 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ [ 69.725855] RIP: 0010:refcount_warn_saturate+0xba/0x110 59.742200] RSP: 002b:00007ffef7218d48 EFLAGS: 00000246 ORIG_RA[ 69.737963] Code: 01 01 e8 24 66 98 00 0f 0b c3 cc cc cc cc 80 3d 62 49 94 01 00 75 85 48 c7 c7 18 65 12 a0 c6 05 52 49 94 01 01 e8 01 66 98 00 <0f> 0b c3 cc cc cc cc 80 3d 3d 49 94 01 00 0f 85 5e ff ff ff 48 c7 X: 0000000000000001 # [ 59.750654] RAX: ffffffffffffffda RBX:[ 69.765169] RSP: 0018:ffff9df583097e40 EFLAGS: 00010286 0000000000000014 RCX: 00007f86b72388f3 # [ 59.758624] RDX: 0[ 69.777200] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 000000000000014 RSI: 00007f86b712b000 RDI: 0000000000000001 # [[ 69.791435] RDX: ffff91263ac2c660 RSI: ffff91263ac1bf70 RDI: ffff91263ac1bf70 59.766593] RBP: 00007f86b712b000 R08: 00007f86b712a010 R09: 0[ 69.805580] RBP: ffffffffa018a798 R08: 0000000000000000 R09: 0000000000000000 000000000000000 # [ 59.774562] R10: fffffffffffffbc5 R11: 000[ 69.819767] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 0000000000246 R12: 0000000000000001 # [ 59.782532] R13: 00000[ 69.834020] R13: ffff9df583097f10 R14: ffff9df583097f10 R15: ffff9125c2b61000 00000000001 R14: 0000000000020000 R15: 0000000000020000 # WRITE[ 69.848185] FS: 00007fc870e07580(0000) GS:ffff91263ac00000(0000) knlGS:0000000000000000 _RO_AFTER_INIT: saw 'call trace:': ok ok 40 selftests: lkdtm: W[ 69.863410] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 RITE_RO_AFTER_INIT.sh # selftests: lkdtm: WRITE_KERN.sh # Kill[ 69.876083] CR2: 00007fc870c10000 CR3: 0000000105b0e006 CR4: 00000000003706f0 ed # [ 59.922736] lkdtm: Performing direct entry WRITE_KERN [ 69.890250] Call Trace: # [ 59.932888] lkdtm: attempting bad 6871203 byte write at fff[ 69.899253] __refcount_sub_and_test.constprop.0+0x3c/0x50 fffff9f76c503 # [ 59.946606] BUG: unable to handle page fault[ 69.911566] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 for address: ffffffff9f76c503 # [ 59.960475] #PF: supervisor[ 69.924086] direct_entry.cold+0x2c/0x38 write access in kernel mode # [ 59.966307] #PF: error_code(0[ 69.934656] full_proxy_write+0x53/0x80 x0003) - permissions violation # [ 59.972530] PGD 2f229067 P4[ 69.945143] vfs_write+0xe7/0x3a0 D 2f229067 PUD 2f22a063 PMD 2e4000e1 # [ 59.979247] Oops: 00[ 69.955067] ksys_write+0x68/0xf0 03 [#16] SMP PTI # [ 59.983227] CPU: 0 PID: 2024 Comm: cat Ta[ 69.964987] do_syscall_64+0x30/0x40 inted: G D W 5.10.145-cip17 #1 # [ 59.991868] Ha[ 69.975211] entry_SYSCALL_64_after_hwframe+0x61/0xc6 rdware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 59.99[ 69.987063] RIP: 0033:0x7fc870d1d8f3 8676] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e # [ 60.003837] Cod[ 69.997271] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 e: 53 48 c7 c3 03 c5 76 9f 49 89 dc 48 89 da 49 81 ec 60 ec 0d 9[ 70.024473] RSP: 002b:00007ffdd43ee2a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 f 4c 89 e6 e8 8a 9b fd ff 48 89 df 4c 89 e1 48 c7 c6 60 ec 0d 9f[ 70.039163] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fc870d1d8f3 a4 48 c7 c7 70 b8 18 a0 e8 6f 9b fd ff 5b 41 5c e9 b7 fe f[ 70.053351] RDX: 0000000000000020 RSI: 00007fc870c10000 RDI: 0000000000000001 f ff # [ 60.024821] RSP: 0018:ffff9df582817e50 EFLAGS: 000102[ 70.067521] RBP: 00007fc870c10000 R08: 00007fc870c0f010 R09: 0000000000000000 46 # [ 60.030645] RAX: 000000000000003c RBX: ffffffff9f76c503[ 70.081708] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 RCX: 000000000068d8a3 # [ 60.038614] RDX: 0000000000000000 R[ 70.095892] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 SI: ffffffff9f0dec60 RDI: ffffffff9f76c503 # [ 60.046585] RBP[ 70.110113] irq event stamp: 0 : ffffffffa018aa7a R08: 0000000000000000 R09: 0000000000000000 [ 70.119734] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 60.054556] R10: 00000000ffffe000 R11: 3fffffffffffffff R12[ 70.132953] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 : 000000000068d8a3 # [ 60.062526] R13: ffff9df582817f10 R14: [ 70.148348] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 ffff9df582817f10 R15: ffff9125c3d8d000 # [ 60.070496] FS: 00[ 70.163686] softirqs last disabled at (0): [<0000000000000000>] 0x0 007f70f8ede580(0000) GS:ffff91263ac00000(0000) knlGS:00000000000[ 70.176900] ---[ end trace 7f9e6aa75646ed76 ]--- 00000 # [ 60.079534] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000[ 70.188284] lkdtm: Saturation detected: still saturated 080050033 # [ 60.085949] CR2: ffffffff9f76c503 CR3: 0000000104c50003 CR4: 00000000003706f0 # [ 60.093919] Call Trace: # [ 60.096645] direct_entry.cold+0x2c/0x38 # [ 60.101030] full_proxy_write+0x53/0x80 # [ 60.105318] vfs_write+0xe7/0x3a0 # [ 60.109022] ksys_write+0x68/0xf0 # [ 60.112721] do_syscall_64+0x30/0x40 # [ 60.116714] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 60.122354] RIP: 0033:0x7f70f8df48f3 # [ 60.126333] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 60.147320] RSP: 002b:00007ffcf75f6398 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 60.155768] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f70f8df48f3 # [ 60.163736] RDX: 000000000000000b RSI: 00007f70f8ce7000 RDI: 0000000000000001 # [ 60.171706] RBP: 00007f70f8ce7000 R08: 00007f70f8ce6010 R09: 0000000000000000 # [ 60.179676] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 60.187646] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 60.195619] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggere[ 70.321669] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED d_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cr[ 70.332398] lkdtm: attempting bad refcount_sub_and_test() from saturated os_ec_lightbar cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_th[ 70.346121] ------------[ cut here ]------------ ermal cros_ec_dev cros_usbpd_notify # [ 60.222062] CR2: fffff[ 70.357470] refcount_t: underflow; use-after-free. fff9f76c503 # [ 60.225759] ---[ end trace 7f9e6aa75646ed66 ]-[ 70.369047] WARNING: CPU: 1 PID: 2595 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 -- # [ 60.230914] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 60.2352[ 70.384679] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 93] Code: 89 ff e8 2e b6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 [ 70.417308] CPU: 1 PID: 2595 Comm: cat Tainted: G D W 5.10.145-cip17 #1 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 4[ 70.432183] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 4 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 [ 70.445198] RIP: 0010:refcount_warn_saturate+0xba/0x110 80 fc 93 02 # [ 60.256278] RSP: 0018:ffff9df58149fe60 EFLAGS:[ 70.457242] Code: 01 01 e8 24 66 98 00 0f 0b c3 cc cc cc cc 80 3d 62 49 94 01 00 75 85 48 c7 c7 18 65 12 a0 c6 05 52 49 94 01 01 e8 01 66 98 00 <0f> 0b c3 cc cc cc cc 80 3d 3d 49 94 01 00 0f 85 5e ff ff ff 48 c7 00010286 # [ 60.262112] RAX: ffffffff9f0de890 RBX: 000000000[ 70.484437] RSP: 0018:ffff9df583137e40 EFLAGS: 00010286 0000001 RCX: 0000000000000000 # [ 60.270082] RDX: 00000000000[ 70.496487] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 00000 RSI: ffff91263ad1bf70 RDI: ffffffff9fd9ae90 # [ 60.2780[ 70.510672] RDX: ffff91263acac660 RSI: ffff91263ac9bf70 RDI: ffff91263ac9bf70 53] RBP: ffffffffa01e5df0 R08: 0000000000000001 R09: 00000000000[ 70.524857] RBP: ffffffffa018a7b8 R08: 0000000000000000 R09: 0000000000000000 00001 # [ 60.286014] R10: 00000000ffffe000 R11: 3ffffffffffff[ 70.539042] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 fff R12: 0000000000000004 # [ 60.293984] R13: ffff9df58149ff1[ 70.553230] R13: ffff9df583137f10 R14: ffff9df583137f10 R15: ffff9125c3140000 0 R14: ffff9df58149ff10 R15: ffff9125c3246000 # [ 60.301953] [ 70.567415] FS: 00007fce8e0b4580(0000) GS:ffff91263ac80000(0000) knlGS:0000000000000000 FS: 00007f70f8ede580(0000) GS:ffff91263ac00000(0000) knlGS:0000[ 70.582668] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 000000000000 # [ 60.310991] CS: 0010 DS: 0000 ES: 0000 CR0: [ 70.595300] CR2: 00007fce8debd000 CR3: 0000000104edc001 CR4: 00000000003706e0 0000000080050033 # [ 60.317406] CR2: ffffffff9f76c503 CR3: 00[ 70.609487] Call Trace: 00000104c50003 CR4: 00000000003706f0 # WRITE_KERN: saw 'call tr[ 70.618434] __refcount_sub_and_test.constprop.0+0x3c/0x50 ace:': ok ok 41 selftests: lkdtm: WRITE_KERN.sh # selftests: l[ 70.630773] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 kdtm: REFCOUNT_INC_OVERFLOW.sh # [ 60.484668] lkdtm: Performi[ 70.643307] direct_entry.cold+0x2c/0x38 ng direct entry REFCOUNT_INC_OVERFLOW # [ 60.493801] lkdtm: a[ 70.653902] full_proxy_write+0x53/0x80 ttempting good refcount_inc() without overflow # [ 60.506919][ 70.664399] vfs_write+0xe7/0x3a0 lkdtm: attempting bad refcount_inc() overflow # [ 60.519159][ 70.674313] ksys_write+0x68/0xf0 ------------[ cut here ]------------ # [ 60.530529] refcount[ 70.684226] do_syscall_64+0x30/0x40 _t: saturated; leaking memory. # [ 60.542119] WARNING: CPU: 1[ 70.694429] entry_SYSCALL_64_after_hwframe+0x61/0xc6 PID: 2059 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x11[ 70.706284] RIP: 0033:0x7fce8dfca8f3 0 # [ 60.557735] Modules linked in: fuse ip_tables cros_ec_se[ 70.716487] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 nsors cros_ec_sensors_core industrialio_triggered_buffer kfifo_b[ 70.743682] RSP: 002b:00007fff0608b178 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 uf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar c[ 70.758354] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fce8dfca8f3 ros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_de[ 70.772539] RDX: 0000000000000020 RSI: 00007fce8debd000 RDI: 0000000000000001 v cros_usbpd_notify # [ 60.590368] CPU: 1 PID: 2059 Comm: cat[ 70.786723] RBP: 00007fce8debd000 R08: 00007fce8debc010 R09: 0000000000000000 Tainted: G D W 5.10.145-cip17 #1 # [ 60.605234][ 70.800908] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 60[ 70.815094] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 .618256] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 60.6[ 70.829285] irq event stamp: 0 30306] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d cd [ 70.838902] hardirqs last enabled at (0): [<0000000000000000>] 0x0 49 94 01 00 75 ee 48 c7 c7 c0 64 12 a0 c6 05 bd 49 94 01 01 e8 6[ 70.852117] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 a 66 98 00 <0f> 0b c3 cc cc cc cc 80 3d a9 49 94 01 00 75 cb 48 [ 70.867467] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 c7 c7 e8 64 12 # [ 60.657505] RSP: 0018:ffff9df5828a7e48 EFLA[ 70.882815] softirqs last disabled at (0): [<0000000000000000>] 0x0 GS: 00010286 # [ 60.669555] RAX: 0000000000000000 RBX: 000000[ 70.896028] ---[ end trace 7f9e6aa75646ed77 ]--- 000000002b RCX: 0000000000000000 # [ 60.683747] RDX: ffff9126[ 70.907395] lkdtm: Saturation detected: still saturated 3acac660 RSI: ffff91263ac9bf70 RDI: ffff91263ac9bf70 # [ 60.697936] RBP: ffffffffa018aa85 R08: 0000000000000000 R09: 0000000000000000 # [ 60.712124] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 60.726340] R13: ffff9df5828a7f10 R14: ffff9df5828a7f10 R15: ffff9125c2b03000 # [ 60.740523] FS: 00007f4cc1bf7580(0000) GS:ffff91263ac80000(0000) knlGS:0000000000000000 # [ 60.755755] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 60.768391] CR2: 00007f4cc1a00000 CR3: 0000000104fbc001 CR4: 00000000003706e0 # [ 60.782580] Call Trace: # [ 60.791529] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 # [ 60.803098] direct_entry.cold+0x2c/0x38 # [ 60.813698] full_proxy_write+0x53/0x80 # [ 60.824194] vfs_write+0xe7/0x3a0 # [ 60.834110] ksys_write+0x68/0xf0 # [ 60.844031] do_syscall_64+0x30/0x40 # [ 60.854237] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 60.866094] RIP: 0033:0x7f4cc1b0d8f3 # [ 60.876300] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 60.903499] RSP: 002b:00007ffec695b308 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 60.918174] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f4cc1b0d8f3 # [ 60.932364] RDX: 0000000000000016 RSI: 00007f4cc1a00000 RDI: 0000000000000001 # [ 60.946554] RBP: 00007f4cc1a00000 R08: 00007f4cc19ff010 R09: 0000000000000000 # [ 60.960745] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 60.974935] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 60.989122] irq event stamp: 0 # [ 60.998739] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 61.011956] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 61.027306] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 61.042655] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 61.042657] ---[ end trace 7f9e6aa75646ed67 ]--- # [ 61.042658] 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 # [ 61.145257] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 61.153615] lkdtm: attempting good refcount_add() without overflow # [ 61.160539] lkdtm: attempting bad refcount_add() overflow # [ 61.166582] ------------[ cut here ]------------ # [ 61.171747] refcount_t: saturated; leaking memory. # [ 61.177111] WARNING: CPU: 3 PID: 2091 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 61.186573] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 61.213028] CPU: 3 PID: 2091 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 61.227888] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 61.234699] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 61.246754] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d cd 49 94 01 00 75 ee 48 c7 c7 c0 64 12 a0 c6 05 bd 49 94 01 01 e8 6a 66 98 00 <0f> 0b c3 cc cc cc cc 80 3d a9 49 94 01 00 75 cb 48 c7 c7 e8 64 12 # [ 61.273972] RSP: 0018:ffff9df58292fe48 EFLAGS: 00010286 # [ 61.279819] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 # [ 61.294013] RDX: ffff91263adac660 RSI: ffff91263ad9bf70 RDI: ffff91263ad9bf70 # [ 61.301990] RBP: ffffffffa018aa9b R08: 0000000000000000 R09: 0000000000000000 # [ 61.310002] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 61.318022] R13: ffff9df58292ff10 R14: ffff9df58292ff10 R15: ffff9125c40a2000 # [ 61.326009] FS: 00007fbff7230580(0000) GS:ffff91263ad80000(0000) knlGS:0000000000000000 # [ 61.335042] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 61.341459] CR2: 00007fbff7039000 CR3: 0000000104d7e002 CR4: 00000000003706e0 # [ 61.349434] Call Trace: # [ 61.352197] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 # [ 61.357584] direct_entry.cold+0x2c/0x38 # [ 61.362011] full_proxy_write+0x53/0x80 # [ 61.366331] vfs_write+0xe7/0x3a0 # [ 61.370063] ksys_write+0x68/0xf0 # [ 61.373799] do_syscall_64+0x30/0x40 # [ 61.377822] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 61.389680] RIP: 0033:0x7fbff71468f3 # [ 61.393693] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 61.414679] RSP: 002b:00007ffc180ba158 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 61.423167] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fbff71468f3 # [ 61.431141] RDX: 0000000000000016 RSI: 00007fbff7039000 RDI: 0000000000000001 # [ 61.439112] RBP: 00007fbff7039000 R08: 00007fbff7038010 R09: 0000000000000000 # [ 61.447085] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 61.455057] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 61.463035] irq event stamp: 0 # [ 61.466469] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 61.479684] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 61.488851] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 61.497990] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 61.505036] ---[ end trace 7f9e6aa75646ed68 ]--- # [ 61.510193] lkdtm: Overflow detected: saturated # REFCOUNT_ADD_OVERFLOW: saw 'call trace:': ok ok 43 selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh # [ 61.633250] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 61.640972] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 61.654082] ------------[ cut here ]------------ # [ 61.665448] refcount_t: saturated; leaking memory. # [ 61.677057] WARNING: CPU: 0 PID: 2123 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 61.692661] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 61.725299] CPU: 0 PID: 2123 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 61.740182] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 61.753211] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 61.765282] Code: 01 01 e8 47 66 98 00 0f 0b c3 cc cc cc cc 80 3d 88 49 94 01 00 75 a8 48 c7 c7 c0 64 12 a0 c6 05 78 49 94 01 01 e8 24 66 98 00 <0f> 0b c3 cc cc cc cc 80 3d 62 49 94 01 00 75 85 48 c7 c7 18 65 12 # [ 61.792478] RSP: 0018:ffff9df5828e7e38 EFLAGS: 00010282 # [ 61.804530] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 61.818764] RDX: ffff91263ac2c660 RSI: ffff9126[ 71.621657] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO [ 71.631031] lkdtm: attempting good copy_to_user of correct size [ 71.637669] lkdtm: attempting bad copy_to_user of too large size 3ac1bf70 RDI: ffff91263ac1bf70 # [ 61.832923] RBP: ffffffffa018a6d8 R08: 0000000000000000 R09: 0000000000000000 # [ 61.847147] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 61.861355] R13: ffff9df5828e7f10 R14: ffff9df5828e7f10 R15: ffff9125c5b52000 # [ 61.875517] FS: 00007fd99d3f9580(0000) GS:ffff91263ac00000(0000) knlGS:0000000000000000 # [ 61.890771] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 61.903395] CR2: 00007fd99d202000 CR3: 0000000104d7a005 CR4: 00000000003706f0 # [ 61.917566] Call Trace: # [ 61.926572] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 61.938894] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 61.951381] direct_entry.cold+0x2c/0x38 # [ 61.961923] full_proxy_write+0x53/0x80 # [ 61.972441] vfs_write+0xe7/0x3a0 # [ 61.982329] ksys_write+0x68/0xf0 # [ 61.992239] do_syscall_64+0x30/0x40 # [ 62.002452] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 62.014296] RIP: 0033:0x7fd99d30f8f3 # [ 62.024522] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 62.051728] RSP: 002b:00007fffe6a197d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 62.066420] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fd99d30f8f3 # [ 62.080599] RDX: 000000000000001f RSI: 00007fd99d202000 RDI: 0000000000000001 # [ 62.094790] RBP: 00007fd99d202000 R08: 00007fd99d201010 R09: 0000000000000000 # [ 62.108975] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 62.123189] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 62.137401] irq event stamp: 0 # [ 62.147047] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 62.160233] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 62.175548] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 62.190941] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 62.204138] ---[ end trace 7f9e6aa75646ed69 ]--- # [ 62.215547] 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 # [ 62.326846] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 62.340049] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 62.346980] ------------[ cut here ]------------ # [ 62.352131] refcount_t: saturated; leaking memory. # [ 62.363704] WARNING: CPU: 3 PID: 2155 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 62.379335] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 62.411980] CPU: 3 PID: 2155 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 62.420634] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 62.433675] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ [ 71.961191] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM [ 71.969247] lkdtm: attempting good copy_from_user of correct size 62.439524] Code: 01 01 e8 47 66 98 00 0f 0b c3 cc cc cc cc 80 3d[ 71.976066] lkdtm: attempting bad copy_from_user of too large size 88 49 94 01 00 75 a8 48 c7 c7 c0 64 12 a0 c6 05 78 49 94 01 01 e8 24 66 98 00 <0f> 0b c3 cc cc cc cc 80 3d 62 49 94 01 00 75 85 48 c7 c7 18 65 12 # [ 62.466712] RSP: 0018:ffff9df582a47e38 EFLAGS: 00010282 # [ 62.472578] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 62.480553] RDX: ffff91263adac660 RSI: ffff91263ad9bf70 RDI: ffff91263ad9bf70 # [ 62.488528] RBP: ffffffffa018a6f8 R08: 0000000000000000 R09: 0000000000000000 # [ 62.496502] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 62.504473] R13: ffff9df582a47f10 R14: ffff9df582a47f10 R15: ffff9125c598c000 # [ 62.512448] FS: 00007f6e8eafb580(0000) GS:ffff91263ad80000(0000) knlGS:0000000000000000 # [ 62.521520] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 62.527959] CR2: 00007f6e8e904000 CR3: 00000001032a0001 CR4: 00000000003706e0 # [ 62.535939] Call Trace: # [ 62.544882] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 62.551038] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 62.563472] direct_entry.cold+0x2c/0x38 # [ 62.567887] full_proxy_write+0x53/0x80 # [ 62.572203] vfs_write+0xe7/0x3a0 # [ 62.575935] ksys_write+0x68/0xf0 # [ 62.579668] do_syscall_64+0x30/0x40 # [ 62.583688] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 62.595538] RIP: 0033:0x7f6e8ea118f3 # [ 62.599560] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 62.620549] RSP: 002b:00007fffb1bf38f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 62.629038] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f6e8ea118f3 # [ 62.637025] RDX: 000000000000001f RSI: 00007f6e8e904000 RDI: 0000000000000001 # [ 62.645029] RBP: 00007f6e8e904000 R08: 00007f6e8e903010 R09: 0000000000000000 # [ 62.653003] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 62.667190] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 62.681400] irq event stamp: 0 # [ 62.684808] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 62.698022] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 62.707190] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 62.716330] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 62.723330] ---[ end trace 7f9e6aa75646ed6a ]--- # [ 62.728487] 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 # [ 62.834010] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 62.845594] lkdtm: attempting good refcount_dec() # [ 62.857056] lkdtm: attempting bad refcount_dec() to zero # [ 62.869210] ------------[ cut here ]------------ # [ 62.880567] refcount_t: decrement hit 0; leaking memory. # [ 62.892775] WARNING: CPU: 0 PID: 2187 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 62.908392] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_u[ 72.318604] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO sbpd_notify # [ 62.941045] CPU: 0 PID: 2187 Comm: cat Tainted[ 72.327459] lkdtm: attempting good copy_to_user inside whitelist : G D W 5.10.145-cip17 #1 # [ 62.955897] Hardwar[ 72.340386] lkdtm: attempting bad copy_to_user outside whitelist e name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 62.968993] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 62.981015] Code: 70 65 12 a0 c6 05 29 49 94 01 01 e8 da 65 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 40 65 12 a0 c6 05 10 49 94 01 01 e8 c0 65 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 63.008252] RSP: 0018:ffff9df5829e7e48 EFLAGS: 00010286 # [ 63.020329] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 # [ 63.034546] RDX: ffff91263ac2c660 RSI: ffff91263ac1bf70 RDI: ffff91263ac1bf70 # [ 63.048699] RBP: ffffffffa018aab1 R08: 0000000000000000 R09: 0000000000000000 # [ 63.062947] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 63.077079] R13: ffff9df5829e7f10 R14: ffff9df5829e7f10 R15: ffff9125c34fe000 # [ 63.091263] FS: 00007f86bcb6f580(0000) GS:ffff91263ac00000(0000) knlGS:0000000000000000 # [ 63.106552] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 63.119167] CR2: 00007f86bc978000 CR3: 0000000105b82005 CR4: 00000000003706f0 # [ 63.133384] Call Trace: # [ 63.142322] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd # [ 63.153553] direct_entry.cold+0x2c/0x38 # [ 63.164152] full_proxy_write+0x53/0x80 # [ 63.174638] vfs_write+0xe7/0x3a0 # [ 63.184550] ksys_write+0x68/0xf0 # [ 63.194454] do_syscall_64+0x30/0x40 # [ 63.204661] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 63.216512] RIP: 0033:0x7f86bca858f3 # [ 63.226779] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 63.253953] RSP: 002b:00007fffba5c4268 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 63.268590] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f86bca858f3 # [ 63.282764] RDX: 0000000000000012 RSI: 00007f86bc978000 RDI: 0000000000000001 # [ 63.296981] RBP: 00007f86bc978000 R08: 00007f86bc977010 R09: 0000000000000000 # [ 63.311185] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 63.325359] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 63.339587] irq event stamp: 0 # [ 63.349192] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 63.362452] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 63.377817] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 63.393170] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 63.406411] ---[ end trace 7f9e6aa75646ed6b ]--- # [ 63.417766] 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 # [ 63.533937] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 63.541191] lkdtm: attempting bad refcount_dec() below zero # [ 63.553667] ------------[ cut here ]------------ # [ 63.565076] refcount_t: decrement hit 0; leaking memory. # [ 63.577317] WARNING: CPU: 0 PID: 2222 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 63.592862] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub cros_ec_chardev x86_pkg_temp[ 72.683436] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM _thermal cros_ec_dev cros_usbpd_notify # [ 63.625585] CPU: 0 [ 72.691299] lkdtm: attempting good copy_from_user inside whitelist PID: 2222 Comm: cat Tainted: G D W 5.10.145-cip17 #[ 72.704448] lkdtm: attempting bad copy_from_user outside whitelist 1 # [ 63.640508] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 63.653503] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 63.665519] Code: 70 65 12 a0 c6 05 29 49 94 01 01 e8 da 65 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 40 65 12 a0 c6 05 10 49 94 01 01 e8 c0 65 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 63.692717] RSP: 0018:ffff9df582b67e48 EFLAGS: 00010286 # [ 63.704744] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 # [ 63.718970] RDX: ffff91263ac2c660 RSI: ffff91263ac1bf70 RDI: ffff91263ac1bf70 # [ 63.733135] RBP: ffffffffa018aac3 R08: 0000000000000000 R09: 0000000000000000 # [ 63.747327] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 63.761525] R13: ffff9df582b67f10 R14: ffff9df582b67f10 R15: ffff9125c5ae0000 # [ 63.775711] FS: 00007fb310726580(0000) GS:ffff91263ac00000(0000) knlGS:0000000000000000 # [ 63.790976] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 63.803604] CR2: 00007fb31052f000 CR3: 0000000104f54002 CR4: 00000000003706f0 # [ 63.817806] Call Trace: # [ 63.826736] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 # [ 63.838291] direct_entry.cold+0x2c/0x38 # [ 63.848888] full_proxy_write+0x53/0x80 # [ 63.859377] vfs_write+0xe7/0x3a0 # [ 63.869293] ksys_write+0x68/0xf0 # [ 63.879232] do_syscall_64+0x30/0x40 # [ 63.889433] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 63.901297] RIP: 0033:0x7fb31063c8f3 # [ 63.911492] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 63.938705] RSP: 002b:00007ffd47bde1e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 63.953362] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fb31063c8f3 # [ 63.967555] RDX: 0000000000000016 RSI: 00007fb31052f000 RDI: 0000000000000001 # [ 63.981738] RBP: 00007fb31052f000 R08: 00007fb31052e010 R09: 0000000000000000 # [ 63.995918] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 64.010110] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 64.024298] irq event stamp: 0 # [ 64.033922] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 64.047133] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 64.062484] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 64.077843] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 64.091025] ---[ end trace 7f9e6aa75646ed6c ]--- # [ 64.102429] 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 # [ 64.221420] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 64.233144] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 64.240276] ------------[ cut here ]------------ # [ 64.245466] refcount_t: underflow; use-after-free. # [ 64.257056] WARNING: CPU: 2 PID: 2257 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 64.266490] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 64.299130] CPU: 2 PID: 2257 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 64.307808] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 64.320825] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 64.326712] Code: 01 01 e8 24 66 98 00 0f 0b c3 cc cc cc cc 80 3d 62 49 94 01 00 75 85 48 c7 c7 18 65 12 a0 c6 05 52 49 94 01 01 e8 01 66 98 00 <0f> 0b c3 cc cc [ 73.096898] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO cc cc 80 3d 3d 49 94 01 00 0f 85 5e ff ff ff 48 c7 # [ 64.347[ 73.105637] lkdtm: good_stack: ffff9df5834d7e20-ffff9df5834d7e40 708] RSP: 0018:ffff9df582b1fe40 EFLAGS: 00010286 # [ 64.35974[ 73.118565] lkdtm: bad_stack : ffff9df5834d7da8-ffff9df5834d7dc8 4] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 000000000000[ 73.131533] lkdtm: attempting good copy_to_user of local stack [ 73.144217] lkdtm: attempting bad copy_to_user of distant stack 0000 # [ 64.367716] RDX: ffff91263ad2c660 RSI: ffff91263ad1bf70 RDI: ffff91263ad1bf70 # [ 64.375686] RBP: ffffffffa018a718 R08: 0000000000000000 R09: 0000000000000000 # [ 64.383656] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 64.391627] R13: ffff9df582b1ff10 R14: ffff9df582b1ff10 R15: ffff9125c3189000 # [ 64.399599] FS: 00007ff78898b580(0000) GS:ffff91263ad00000(0000) knlGS:0000000000000000 # [ 64.408637] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 64.415054] CR2: 00007ff788794000 CR3: 00000001064d6006 CR4: 00000000003706e0 # [ 64.423025] Call Trace: # [ 64.425756] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 64.431914] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 # [ 64.438164] direct_entry.cold+0x2c/0x38 # [ 64.442570] full_proxy_write+0x53/0x80 # [ 64.446884] vfs_write+0xe7/0x3a0 # [ 64.450607] ksys_write+0x68/0xf0 # [ 64.454307] do_syscall_64+0x30/0x40 # [ 64.458322] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 64.463969] RIP: 0033:0x7ff7888a18f3 # [ 64.474166] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 64.495145] RSP: 002b:00007fff6c4512e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 64.503601] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007ff7888a18f3 # [ 64.511572] RDX: 000000000000001f RSI: 00007ff788794000 RDI: 0000000000000001 # [ 64.519542] RBP: 00007ff788794000 R08: 00007ff788793010 R09: 0000000000000000 # [ 64.527512] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 64.535483] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 64.543462] irq event stamp: 0 # [ 64.553084] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 64.566306] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 64.581659] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 64.590830] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 64.597833] ---[ end trace 7f9e6aa75646ed6d ]--- # [ 64.603004] 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 # [ 64.718365] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 64.727609] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 64.740949] ------------[ cut here ]------------ # [ 64.752294] refcount_t: underflow; use-after-free. # [ 64.763891] WARNING: CPU: 1 PID: 2292 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 64.779505] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 64.812138] CPU: 1 PID: 2292 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 64.827017] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 64.840039] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 64.852086] Code: 01 01 e8 24 66 98 00 0f 0b c3 cc cc cc cc 80 3d 62 49 94 01 00 75 85 48 c7 c7 18 65 12 a0 c6 05 52 49 94 01 01 e8 01 66 98 00 <0f> 0b c3 cc cc cc cc 80 3d 3d 49 94 01 00 0f 85 5e ff ff ff 48 c7 # [ 64.879281] RSP: 0018:ffff9df582c27e40 EFLAGS: 00010286 # [ 64.891353] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 # [ 64.905520] RDX: ffff91263acac660 RSI: ffff91263ac9bf70 RDI: ffff91263ac[ 73.518408] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM [ 73.526402] lkdtm: good_stack: ffff9df583557e20-ffff9df583557e40 [ 73.533132] lkdtm: bad_stack : ffff9df583557da8-ffff9df583557dc8 9bf70 # [ 64.919702] RBP: ffffffffa018a738 R08: 0000000000000[ 73.539864] lkdtm: attempting good copy_from_user of local stack [ 73.552778] lkdtm: attempting bad copy_from_user of distant stack 000 R09: 0000000000000000 # [ 64.927674] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 64.941851] R13: ffff9df582c27f10 R14: ffff9df582c27f10 R15: ffff9125c5b30000 # [ 64.949824] FS: 00007fbe32e6f580(0000) GS:ffff91263ac80000(0000) knlGS:0000000000000000 # [ 64.965070] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 64.971489] CR2: 00007fbe32c78000 CR3: 0000000105bd4004 CR4: 00000000003706e0 # [ 64.985666] Call Trace: # [ 64.988401] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 65.000731] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b # [ 65.013168] direct_entry.cold+0x2c/0x38 # [ 65.023762] full_proxy_write+0x53/0x80 # [ 65.034260] vfs_write+0xe7/0x3a0 # [ 65.044173] ksys_write+0x68/0xf0 # [ 65.054088] do_syscall_64+0x30/0x40 # [ 65.064292] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 65.076147] RIP: 0033:0x7fbe32d858f3 # [ 65.080138] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 65.107324] RSP: 002b:00007ffc3973db88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 65.115783] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fbe32d858f3 # [ 65.129965] RDX: 000000000000001f RSI: 00007fbe32c78000 RDI: 0000000000000001 # [ 65.144152] RBP: 00007fbe32c78000 R08: 00007fbe32c77010 R09: 0000000000000000 # [ 65.158337] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 65.166308] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 65.180490] irq event stamp: 0 # [ 65.190107] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 65.197110] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 65.212452] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 65.221590] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 65.234799] ---[ end trace 7f9e6aa75646ed6e ]--- # [ 65.239967] 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 # [ 65.358416] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 65.369427] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 65.376557] lkdtm: Good: zero detected # [ 65.380775] lkdtm: Correctly stayed at zero # [ 65.385443] lkdtm: attempting bad refcount_inc() from zero # [ 65.391569] ------------[ cut here ]------------ # [ 65.396725] refcount_t: addition on 0; use-after-free. # [ 65.408691] WARNING: CPU: 2 PID: 2324 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 65.424323] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 65.450778] CPU: 2 PID: 2324 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 65.465633] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 65.472440] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 65.478276] Code: 01 01 e8 6a 66 98 00 0f 0b c3 cc cc cc cc 80 3d a9 49 94 01 00 75 cb 48 c7 c7 e8 64 12 a0 c6 05 99 49 94 01 01 e8 47 66 98 00 <0f> 0b c3 cc cc cc cc 80 3d 88 49 94 01 00 75 a8 48 c7 c7 c0 64 12 # [ 65.499255] RSP: 0018:ffff9df582cbfe48 EFLAGS: 00010286 # [ 65.505089] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 # [ 65.513061] RDX: ffff91263ad2c660 RSI: ffff91263ad1bf70 RDI: ffff91263ad1bf70 # [ 65.521032] RBP: ffffffffa018aad9 R08: 0000000000000000 R09: 0000000000000000 # [ 65.529019] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 65.537004] R13: ffff9df582cbff10 R14: ffff9df582cbff10 R15: ffff9125c4ce3000 # [ 65.545023] FS: 00007f32718aa580(0000) GS:ffff91263ad00000(0000)[ 73.957697] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND knlGS:0000000000000000 # [ 65.554060] CS: 0010 DS: 0000 ES:[ 73.966497] lkdtm: good_stack: ffff9df583607e20-ffff9df583607e40 0000 CR0: 0000000080050033 # [ 65.560479] CR2: 00007f32716b3[ 73.979440] lkdtm: bad_stack : ffff9df583607ff8-ffff9df583608018 000 CR3: 0000000103d38001 CR4: 00000000003706e0 # [ 65.568449[ 73.992441] lkdtm: attempting good copy_to_user of local stack ] Call Trace: # [ 65.571181] lkdtm_REFCOUNT_INC_ZERO+0x99/0x[ 74.005104] lkdtm: attempting bad copy_to_user of distant stack c1 # [ 65.576143] direct_entry.cold+0x2c/0x38 # [ 65.5805[ 74.017936] lkdtm: copy_to_user failed, but lacked Oops 23] full_proxy_write+0x53/0x80 # [ 65.584807] vfs_write+0xe7/0x3a0 # [ 65.588507] ksys_write+0x68/0xf0 # [ 65.592207] do_syscall_64+0x30/0x40 # [ 65.596198] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 65.601841] RIP: 0033:0x7f32717c08f3 # [ 65.612047] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 65.633030] RSP: 002b:00007ffde6cb17f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 65.641485] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f32717c08f3 # [ 65.649455] RDX: 0000000000000012 RSI: 00007f32716b3000 RDI: 0000000000000001 # [ 65.657424] RBP: 00007f32716b3000 R08: 00007f32716b2010 R09: 0000000000000000 # [ 65.665393] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 65.673359] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 65.687553] irq event stamp: 0 # [ 65.697174] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 65.704174] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 65.713309] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 65.722442] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 65.729463] ---[ end trace 7f9e6aa75646ed6f ]--- # [ 65.734633] 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 # [ 65.851575] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 65.863757] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 65.877093] lkdtm: Good: zero detected # [ 65.887466] lkdtm: Correctly stayed at zero # [ 65.898347] lkdtm: attempting bad refcount_add() from zero # [ 65.910686] ------------[ cut here ]------------ # [ 65.922056] refcount_t: addition on 0; use-after-free. # [ 65.934055] WARNING: CPU: 1 PID: 2356 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 65.949691] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 65.982326] CPU: 1 PID: 2356 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 65.997193] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 66.010216] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 66.022269] Code: 01 01 e8 6a 66 98 00 0f 0b c3 cc cc cc cc 80 3d a9 49 94 01 00 75 cb 48 c7 c7 e8 64 12 a0 c6 05 99 49 94 01 01 e8 47 66 98 00 <0f> 0b c3 cc cc cc cc 80 3d 88 49 94 01 00 75 a8 48 c7 c7 c0 64 12 # [ 66.049497] RSP: 0018:ffff9df582d1fe48 EFLAGS: 00010286 # [ 66.061527] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 # [ 66.075710] RDX: ffff91263acac660 RSI: ffff91263ac9bf70 RDI: ffff91263ac9bf70 # [ 66.089897] RBP: ffffffffa018aaeb R08: 0000000000000000 R09: 0000000000000000 # [ 66.104085] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 66.118271] R13: ffff9df582d1ff10 R14: ffff9df582d1ff10 R15: ffff9125c3d34000 # [ 66.132458] FS: 00007f1c14998580(0000) GS:ffff91263ac80000(0000) knlGS:0000000000000000 # [ 66.147711] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 66.160345] CR2: 00007f1c147a1000 CR3: 0000000104f1c004 CR4: 00000000003706e0 # [ 66.174531] Call Trace: # [ 66.183477] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 # [ 66.194653] direct_entry.cold+0x2c/0x38 # [ 66.205247] full_proxy_write+0x53/0x80 # [ 66.215744] vfs_write+0xe7/0x3a0 # [ 66.225659] ksys_write+0x68/0xf0 # [ 66.235572] do_syscall_64+0x30/0x40 # [ 66.245777] entry_SYSCALL_64_after_h[ 74.409692] lkdtm: Performing direct entry USERCOPY_KERNEL wframe+0x61/0xc6 # [ 66.257631] RIP: 0033:0x7f1c148ae8f3 # [[ 74.417439] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff9fd9b330 66.267835] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff[ 74.432312] lkdtm: attempting bad copy_to_user from kernel text: ffffffff9eae2e20 ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 [ 74.446887] lkdtm: FAIL: survived bad copy_to_user() 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 66.295029] RSP: 002b:00007ffc672f07d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 66.309697] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f1c148ae8f3 # [ 66.323885] RDX: 0000000000000012 RSI: 00007f1c147a1000 RDI: 0000000000000001 # [ 66.338072] RBP: 00007f1c147a1000 R08: 00007f1c147a0010 R09: 0000000000000000 # [ 66.346046] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 66.360223] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 66.368200] irq event stamp: 0 # [ 66.377811] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 66.391026] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 66.406377] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 66.421727] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 66.428730] ---[ end trace 7f9e6aa75646ed70 ]--- # [ 66.440092] 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 # [ 66.558964] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 66.569692] lkdtm: attempting bad refcount_inc() from saturated # [ 66.576318] ------------[ cut here ]------------ # [ 66.581484] refcount_t: saturated; leaking memory. # [ 66.593055] WARNING: CPU: 3 PID: 2391 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 66.608689] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 66.635141] CPU: 3 PID: 2391 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 66.650012] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 66.656851] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 66.662687] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d cd 49 94 01 00 75 ee 48 c7 c7 c0 64 12 a0 c6 05 bd 49 94 01 01 e8 6a 66 98 00 <0f> 0b c3 cc cc cc cc 80 3d a9 49 94 01 00 75 cb 48 c7 c7 e8 64 12 # [ 66.683670] RSP: 0018:ffff9df582ddfe48 EFLAGS: 00010286 # [ 66.689504] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 # [ 66.697473] RDX: ffff91263adac660 RSI: ffff91263ad9bf70 RDI: ffff91263ad9bf70 # [ 66.705435] RBP: ffffffffa018aafd R08: 0000000000000000 R09: 0000000000000000 # [ 66.713404] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 66.721374] R13: ffff9df582ddff10 R14: ffff9df582ddff10 R15: ffff9125c3ec5000 # [ 66.729346] FS: 00007f017ebb7580(0000) GS:ffff91263ad80000(0000) knlGS:0000000000000000 # [ 66.738383] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 66.744790] CR2: 00007f017e9c0000 CR3: 0000000104cf4003 CR4: 00000000003706e0 # [ 66.752761] Call Trace: # [ 66.755490] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 # [ 66.760971] direct_entry.cold+0x2c/0x38 # [ 66.771563] full_proxy_write+0x53/0x80 # [ 66.775870] vfs_write+0xe7/0x3a0 # [ 66.779569] ksys_write+0x68/0xf0 # [ 66.783270] do_syscall_64+0x30/0x40 # [ 66.787260] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 66.792901] RIP: 0033:0x7f017eacd8f3 # [ 66.796892] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 [ 74.804531] lkdtm: Performing direct entry STACKLEAK_ERASING ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 66.[ 74.814595] lkdtm: checking unused part of the thread stack (15928 bytes)... 817875] RSP: 002b:00007ffc7ab148b8 EFLAGS: 00000246 ORIG_RAX: 00[ 74.828693] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) 00000000000001 # [ 66.832545] RAX: ffffffffffffffda RBX: 0000[ 74.842676] lkdtm: FAIL: the thread stack is NOT properly erased 000000000017 RCX: 00007f017eacd8f3 # [ 66.840515] RDX: 000000[ 74.855602] CPU: 1 PID: 2960 Comm: cat Tainted: G D W 5.10.145-cip17 #1 [ 74.870460] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 74.877262] Call Trace: 0000000017 RSI: 00007f017e9c0000 RDI: 0000000000000001 # [ 66[ 74.880004] dump_stack+0x77/0x9b [ 74.889922] lkdtm_STACKLEAK_ERASING+0x116/0x144 [ 74.895076] direct_entry.cold+0x2c/0x38 [ 74.899455] full_proxy_write+0x53/0x80 .848484] RBP: 00007f017e9c0000 R08: 00007f017e9bf010 R09: 000000[ 74.903736] vfs_write+0xe7/0x3a0 [ 74.913642] ksys_write+0x68/0xf0 [ 74.917330] do_syscall_64+0x30/0x40 0000000000 # [ 66.856455] R10: fffffffffffffbc5 R11: 00000000[ 74.921319] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 74.933168] RIP: 0033:0x7f2c0958d8f3 [ 74.937146] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 74.958124] RSP: 002b:00007ffde73a85b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 74.966571] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f2c0958d8f3 [ 74.974530] RDX: 0000000000000012 RSI: 00007f2c09480000 RDI: 0000000000000001 [ 74.982496] RBP: 00007f2c09480000 R08: 00007f2c0947f010 R09: 0000000000000000 [ 74.990463] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 74.998429] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 00000246 R12: 0000000000000001 # [ 66.864425] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 66.878615] irq event stamp: 0 # [ 66.888230] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 66.895230] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 66.904365] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 66.913499] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 66.920519] ---[ end trace 7f9e6aa75646ed71 ]--- # [ 66.925685] 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 # [ 67.051654] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 67.062791] lkdtm: attempting bad refcount_dec() from saturated # [ 67.075651] ------------[ cut here ]------------ # [ 67.087007] refcount_t: decrement hit 0; leaking memory. # [ 67.099165] WARNING: CPU: 0 PID: 2426 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 67.114816] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 67.147465] CPU: 0 PID: 2426 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 67.162325] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 67.175361] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 67.187450] Code: 70 65 12 a0 c6 05 29 49 94 01 01 e8 da 65 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 40 65 12 a0 c6 05 10 49 94 01 01 e8 c0 65 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 67.214617] RSP: 0018:ffff9df582e67e48 EFLAGS: 00010286 # [ 67.226696] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 # [ 67.240893] RDX: ffff91263ac2c660 RSI: ffff91263ac1bf70 RDI: ffff91263ac1bf70 # [ 67.255066] RBP: ffffffffa018ab14 R08: 0000000000000000 R09: 0000000000000000 # [ 67.269262] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 67.283441] R13: ffff9df582e67f10 R14: ffff9df582e67f10 R15: ffff9125c4f22000 # [ 67.297618] FS: 00007fdfa1d71580(0000) GS:ffff91263ac00000(0000) knlGS:0000000000000000 # [ 67.312883] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 67.325510] CR2: 00007fdfa1b7a000 CR3: 0000000103cb4002 CR4: 00000000003706f0 # [ 67.339704] Call Trace: # [ 67.348642] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f # [ 67.360323] direct_entry.cold+0x2c/0x38 # [ 67.370896] full_proxy_write+0x53/0x80 # [ 67.381385] vfs_write+0xe7/0x3a0 # [ 67.391287] ksys_write+0x68/0xf0 # [ 67.401208] do_syscall_64+0x30/0x40 # [ 67.411427] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 67.423276] RIP: 0033:0x7fdfa1c878f3 # [ 67.433490] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 67.460714] RSP: 002b:00007ffe126ce3c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 67.475380] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fdfa1c878f3 # [ 67.489568] RDX: 0000000000000017 RSI: 00007fdfa1b7a000 RDI: 0000000000000001 # [ 67.503752] RBP: 00007fdfa1b7a000 R08: 00007fdfa1b79010 R09: 0000000000000000 # [ 67.517924] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 67.532125] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 67.546337] irq event stamp: 0 # [ 67.555959] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 67.569134] hardirqs last disabled at (0): [] cop[ 75.381878] lkdtm: Performing direct entry CFI_FORWARD_PROTO [ 75.393059] lkdtm: Calling matched prototype ... y_process+0x640/0x1c80 # [ 67.584509] softirqs last enabled [ 75.398247] lkdtm: Calling mismatched prototype ... [ 75.409908] lkdtm: Fail: survived mismatched prototype function call! at (0): [] copy_process+0x640/0x1c80 # [ 67.599898] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 67.613075] ---[ end trace 7f9e6aa75646ed72 ]--- # [ 67.624477] 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 # [ 67.748923] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 67.761547] lkdtm: attempting bad refcount_dec() from saturated # [ 67.774373] ------------[ cut here ]------------ # [ 67.785742] refcount_t: saturated; leaking memory. # [ 67.797315] WARNING: CPU: 1 PID: 2461 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 67.812966] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 67.845625] CPU: 1 PID: 2461 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 67.860468] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 67.873486] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 67.885536] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d cd 49 94 01 00 75 ee 48 c7 c7 c0 64 12 a0 c6 05 bd 49 94 01 01 e8 6a 66 98 00 <0f> 0b c3 cc cc cc cc 80 3d a9 49 94 01 00 75 cb 48 c7 c7 e8 64 12 # [ 67.912731] RSP: 0018:ffff9df582eefe48 EFLAGS: 00010286 # [ 67.924781] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 # [ 67.932754] RDX: ffff91263acac660 RSI: ffff91263ac9bf70 RDI: ffff91263ac9bf70 # [ 67.946933] RBP: ffffffffa018ab2b R08: 0000000000000000 R09: 0000000000000000 # [ 67.954930] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 67.969110] R13: ffff9df582eeff10 R14: ffff9df582eeff10 R15: ffff9125c3c11000 # [ 67.977083] FS: 00007ff8a200f580(0000) GS:ffff91263ac80000(0000) knlGS:0000000000000000 # [ 67.992330] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 67.998749] CR2: 00007ff8a1e18000 CR3: 0000000105b52004 CR4: 00000000003706e0 # [ 68.012929] Call Trace: # [ 68.021873] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 # [ 68.033536] direct_entry.cold+0x2c/0x38 # [ 68.044131] full_proxy_write+0x53/0x80 # [ 68.054627] vfs_write+0xe7/0x3a0 # [ 68.064540] ksys_write+0x68/0xf0 # [ 68.074460] do_syscall_64+0x30/0x40 # [ 68.084665] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 68.096522] RIP: 0033:0x7ff8a1f258f3 # [ 68.106727] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 68.133920] RSP: 002b:00007ffc5d1ad798 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 68.148591] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007ff8a1f258f3 # [ 68.162777] RDX: 0000000000000017 RSI: 00007ff8a1e18000 RDI: 0000000000000001 # [ 68.176963] RBP: 00007ff8a1e18000 R08: 00007ff8a1e17010 R09: 0000000000000000 # [ 68.191147] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 68.205334] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 68.219527] irq event stamp: 0 # [ 68.229145] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 68.242362] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 68.257713] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 68.273065] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 68.286278] ---[ end trace 7f9e6aa75646ed73 ]--- # [ 68.297652] 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 # [ 68.442273] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 68.454131] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 68.467839] ------------[ cut here ]------------ # [ 68.479205] refcount_t: saturated; leaking memory. # [ 68.484584] WARNING: CPU: 1 PID: 2493 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 68.500193] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 68.532828] CPU: 1 PID: 2493 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 68.547688] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 68.554497] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 68.566540] Code: 01 01 e8 47 66 98 00 0f 0b c3 cc cc cc cc 80 3d 88 49 94 01 00 75 a8 48 c7 c7 c0 64 12 a0 c6 05 78 49 94 01 01 e8 24 66 98 00 <0f> 0b c3 cc cc cc cc 80 3d 62 49 94 01 00 75 85 48 c7 c7 18 65 12 # [ 68.587522] RSP: 0018:ffff9df582f7fe38 EFLAGS: 00010282 # [ 68.599566] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 68.607563] RDX: ffff91263acac660 RSI: ffff91263ac9bf70 RDI: ffff91263ac9bf70 # [ 68.621740] RBP: ffffffffa018a758 R08: 0000000000000000 R09: 0000000000000000 # [ 68.629712] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 68.637685] R13: ffff9df582f7ff10 R14: ffff9df582f7ff10 R15: ffff9125c4718000 # [ 68.651864] FS: 00007fe1d5908580(0000) GS:ffff91263ac80000(0000) knlGS:0000000000000000 # [ 68.660904] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 68.673532] CR2: 00007fe1d5711000 CR3: 00000001034ca002 CR4: 00000000003706e0 # [ 68.687739] Call Trace: # [ 68.690472] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 68.702812] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 # [ 68.715346] direct_entry.cold+0x2c/0x38 # [ 68.719730] full_proxy_write+0x53/0x80 # [ 68.730225] vfs_write+0xe7/0x3a0 # [ 68.740149] ksys_write+0x68/0xf0 # [ 68.750061] do_syscall_64+0x30/0x40 # [ 68.760264] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 68.772122] RIP: 0033:0x7fe1d581e8f3 # [ 68.782328] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 68.809538] RSP: 002b:00007fffba132be8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 68.824201] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fe1d581e8f3 # [ 68.838383] RDX: 0000000000000020 RSI: 00007fe1d5711000 RDI: 0000000000000001 # [ 68.852570] RBP: 00007fe1d5711000 R08: 00007fe1d5710010 R09: 0000000000000000 # [ 68.866756] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 68.880969] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 68.895158] irq event stamp: 0 # [ 68.904775] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 68.917992] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 68.933342] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 68.948695] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 68.961911] ---[ end trace 7f9e6aa75646ed74 ]--- # [ 68.973282] 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 # [ 69.101699] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 69.111116] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 69.118629] ------------[ cut here ]------------ # [ 69.129999] refcount_t: saturated; leaking memory. # [ 69.141575] WARNING: CPU: 3 PID: 2525 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 69.151018] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 69.177468] CPU: 3 PID: 2525 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 69.192350] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 69.199168] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 69.211209] Code: 01 01 e8 47 66 98 00 0f 0b c3 cc cc cc cc 80 3d 88 49 94 01 00 75 a8 48 c7 c7 c0 64 12 a0 c6 05 78 49 94 01 01 e8 24 66 98 00 <0f> 0b c3 cc cc cc cc 80 3d 62 49 94 01 00 75 85 48 c7 c7 18 65 12 # [ 69.232190] RSP: 0018:ffff9df582fe7e38 EFLAGS: 00010282 # [ 69.238026] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 69.246009] RDX: ffff91263adac660 RSI: ffff91263ad9bf70 RDI: ffff91263ad9bf70 # [ 69.254014] RBP: ffffffffa018a778 R08: 0000000000000000 R09: 0000000000000000 # [ 69.261985] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 69.269968] R13: ffff9df582fe7f10 R14: ffff9df582fe7f10 R15: ffff9125c4ca0000 # [ 69.277939] FS: 00007f70b69a9580(0000) GS:ffff91263ad80000(0000) knlGS:0000000000000000 # [ 69.293186] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 69.299602] CR2: 00007f70b67b2000 CR3: 0000000105bbe005 CR4: 00000000003706e0 # [ 69.307572] Call Trace: # [ 69.310303] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 69.316453] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 # [ 69.322772] direct_entry.cold+0x2c/0x38 # [ 69.327153] full_proxy_write+0x53/0x80 # [ 69.331435] vfs_write+0xe7/0x3a0 # [ 69.335136] ksys_write+0x68/0xf0 # [ 69.338837] do_syscall_64+0x30/0x40 # [ 69.342826] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 69.348467] RIP: 0033:0x7f70b68bf8f3 # [ 69.352456] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 69.373436] RSP: 002b:00007ffe016a2bf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 69.381891] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f70b68bf8f3 # [ 69.389861] RDX: 0000000000000020 RSI: 00007f70b67b2000 RDI: 0000000000000001 # [ 69.397834] RBP: 00007f70b67b2000 R08: 00007f70b67b1010 R09: 0000000000000000 # [ 69.412022] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 69.419994] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 69.434186] irq event stamp: 0 # [ 69.437621] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 69.450833] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 69.460015] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 69.469155] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 69.476157] ---[ end trace 7f9e6aa75646ed75 ]--- # [ 69.481314] 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 # [ 69.602505] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 69.613007] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 69.626722] ------------[ cut here ]------------ # [ 69.638085] refcount_t: underflow; use-after-free. # [ 69.649658] WARNING: CPU: 0 PID: 2560 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 69.665294] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 69.697949] CPU: 0 PID: 2560 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 69.712810] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 69.725855] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 69.737963] Code: 01 01 e8 24 66 98 00 0f 0b c3 cc cc cc cc 80 3d 62 49 94 01 00 75 85 48 c7 c7 18 65 12 a0 c6 05 52 49 94 01 01 e8 01 66 98 00 <0f> 0b c3 cc cc cc cc 80 3d 3d 49 94 01 00 0f 85 5e ff ff ff 48 c7 # [ 69.765169] RSP: 0018:ffff9df583097e40 EFLAGS: 00010286 # [ 69.777200] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 # [ 69.791435] RDX: ffff91263ac2c660 RSI: ffff91263ac1bf70 RDI: ffff91263ac1bf70 # [ 69.805580] RBP: ffffffffa018a798 R08: 0000000000000000 R09: 0000000000000000 # [ 69.819767] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 69.834020] R13: ffff9df583097f10 R14: ffff9df583097f10 R15: ffff9125c2b61000 # [ 69.848185] FS: 00007fc870e07580(0000) GS:ffff91263ac00000(0000) knlGS:0000000000000000 # [ 69.863410] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 69.876083] CR2: 00007fc870c10000 CR3: 0000000105b0e006 CR4: 00000000003706f0 # [ 69.890250] Call Trace: # [ 69.899253] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 69.911566] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 # [ 69.924086] direct_entry.cold+0x2c/0x38 # [ 69.934656] full_proxy_write+0x53/0x80 # [ 69.945143] vfs_write+0xe7/0x3a0 # [ 69.955067] ksys_write+0x68/0xf0 # [ 69.964987] do_syscall_64+0x30/0x40 # [ 69.975211] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 69.987063] RIP: 0033:0x7fc870d1d8f3 # [ 69.997271] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 70.024473] RSP: 002b:00007ffdd43ee2a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 70.039163] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fc870d1d8f3 # [ 70.053351] RDX: 0000000000000020 RSI: 00007fc870c10000 RDI: 0000000000000001 # [ 70.067521] RBP: 00007fc870c10000 R08: 00007fc870c0f010 R09: 0000000000000000 # [ 70.081708] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 70.095892] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 70.110113] irq event stamp: 0 # [ 70.119734] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 70.132953] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 70.148348] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 70.163686] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 70.176900] ---[ end trace 7f9e6aa75646ed76 ]--- # [ 70.188284] 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 # [ 70.321669] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 70.332398] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 70.346121] ------------[ cut here ]------------ # [ 70.357470] refcount_t: underflow; use-after-free. # [ 70.369047] WARNING: CPU: 1 PID: 2595 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 70.384679] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_sensorhub cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 70.417308] CPU: 1 PID: 2595 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 70.432183] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 70.445198] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 70.457242] Code: 01 01 e8 24 66 98 00 0f 0b c3 cc cc cc cc 80 3d 62 49 94 01 00 75 85 48 c7 c7 18 65 12 a0 c6 05 52 49 94 01 01 e8 01 66 98 00 <0f> 0b c3 cc cc cc cc 80 3d 3d 49 94 01 00 0f 85 5e ff ff ff 48 c7 # [ 70.484437] RSP: 0018:ffff9df583137e40 EFLAGS: 00010286 # [ 70.496487] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 # [ 70.510672] RDX: ffff91263acac660 RSI: ffff91263ac9bf70 RDI: ffff91263ac9bf70 # [ 70.524857] RBP: ffffffffa018a7b8 R08: 0000000000000000 R09: 0000000000000000 # [ 70.539042] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 70.553230] R13: ffff9df583137f10 R14: ffff9df583137f10 R15: ffff9125c3140000 # [ 70.567415] FS: 00007fce8e0b4580(0000) GS:ffff91263ac80000(0000) knlGS:0000000000000000 # [ 70.582668] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 70.595300] CR2: 00007fce8debd000 CR3: 0000000104edc001 CR4: 00000000003706e0 # [ 70.609487] Call Trace: # [ 70.618434] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 70.630773] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 # [ 70.643307] direct_entry.cold+0x2c/0x38 # [ 70.653902] full_proxy_write+0x53/0x80 # [ 70.664399] vfs_write+0xe7/0x3a0 # [ 70.674313] ksys_write+0x68/0xf0 # [ 70.684226] do_syscall_64+0x30/0x40 # [ 70.694429] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 70.706284] RIP: 0033:0x7fce8dfca8f3 # [ 70.716487] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 70.743682] RSP: 002b:00007fff0608b178 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 70.758354] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fce8dfca8f3 # [ 70.772539] RDX: 0000000000000020 RSI: 00007fce8debd000 RDI: 0000000000000001 # [ 70.786723] RBP: 00007fce8debd000 R08: 00007fce8debc010 R09: 0000000000000000 # [ 70.800908] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 70.815094] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 70.829285] irq event stamp: 0 # [ 70.838902] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 70.852117] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 70.867467] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 70.882815] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 70.896028] ---[ end trace 7f9e6aa75646ed77 ]--- # [ 70.907395] 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 # [ 71.621657] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 71.631031] lkdtm: attempting good copy_to_user of correct size # [ 71.637669] 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 # [ 71.961191] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 71.969247] lkdtm: attempting good copy_from_user of correct size # [ 71.976066] 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 # [ 72.318604] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 72.327459] lkdtm: attempting good copy_to_user inside whitelist # [ 72.340386] 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 # [ 72.683436] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 72.691299] lkdtm: attempting good copy_from_user inside whitelist # [ 72.704448] 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 # [ 73.096898] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 73.105637] lkdtm: good_stack: ffff9df5834d7e20-ffff9df5834d7e40 # [ 73.118565] lkdtm: bad_stack : ffff9df5834d7da8-ffff9df5834d7dc8 # [ 73.131533] lkdtm: attempting good copy_to_user of local stack # [ 73.144217] 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 # [ 73.518408] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 73.526402] lkdtm: good_stack: ffff9df583557e20-ffff9df583557e40 # [ 73.533132] lkdtm: bad_stack : ffff9df583557da8-ffff9df583557dc8 # [ 73.539864] lkdtm: attempting good copy_from_user of local stack # [ 73.552778] 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 # [ 73.957697] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 73.966497] lkdtm: good_stack: ffff9df583607e20-ffff9df583607e40 # [ 73.979440] lkdtm: bad_stack : ffff9df583607ff8-ffff9df583608018 # [ 73.992441] lkdtm: attempting good copy_to_user of local stack # [ 74.005104] lkdtm: attempting bad copy_to_user of distant stack # [ 74.017936] 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 # [ 74.409692] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 74.417439] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff9fd9b330 # [ 74.432312] lkdtm: attempting bad copy_to_user from kernel text: ffffffff9eae2e20 # [ 74.446887] 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 # [ 74.804531] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 74.814595] lkdtm: checking unused part of the thread stack (15928 bytes)... # [ 74.828693] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) # [ 74.842676] lkdtm: FAIL: the thread stack is NOT properly erased # [ 74.855602] CPU: 1 PID: 2960 Comm: cat Tainted: G D W 5.10.145-cip17 #1 # [ 74.870460] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 74.877262] Call Trace: # [ 74.880004] dump_stack+0x77/0x9b # [ 74.889922] lkdtm_STACKLEAK_ERASING+0x116/0x144 # [ 74.895076] direct_entry.cold+0x2c/0x38 # [ 74.899455] full_proxy_write+0x53/0x80 # [ 74.903736] vfs_write+0xe7/0x3a0 # [ 74.913642] ksys_write+0x68/0xf0 # [ 74.917330] do_syscall_64+0x30/0x40 # [ 74.921319] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 74.933168] RIP: 0033:0x7f2c0958d8f3 # [ 74.937146] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 74.958124] RSP: 002b:00007ffde73a85b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 74.966571] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f2c0958d8f3 # [ 74.974530] RDX: 0000000000000012 RSI: 00007f2c09480000 RDI: 0000000000000001 # [ 74.982496] RBP: 00007f2c09480000 R08: 00007f2c0947f010 R09: 0000000000000000 # [ 74.990463] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 74.998429] 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 # [ 75.381878] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 75.393059] lkdtm: Calling matched prototype ... # [ 75.398247] lkdtm: Calling mismatched prototype ... # [ 75.409908] 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 / #