[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: . done! TPM ready after 0 ms Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_A:0.0.10/29d77172 RW_B:0.3.15/cr50_v1.9308_87_mp.224-6339b6f 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_A:0.0.10/29d77172 RW_B:0.3.15/cr50_v1.9308_87_mp.224-6339b6f 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 37403 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_A:0.0.10/29d77172 RW_B:0.3.15/cr50_v1.9308_87_mp.224-6339b6f 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) FMAP: area RW_VPD found @ 9f8000 (8192 bytes) 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. AP: slot 1 apic_id 1. Waiting for 2nd SIPI to complete...done. Loading module at 00038000 with entry 00038000. filesize: 0x1a8 memsize: 0x1a8 Processing 13 relocs. Offset value of 0x00038000 SMM Module: stub loaded at 00038000. Will call 7ab21603(00000000) Installing SMM handler to 0x7b000000 Loading module at 7b010000 with entry 7b010a19. filesize: 0x3b08 memsize: 0x8bc0 Processing 243 relocs. Offset value of 0x7b010000 Loading module at 7b008000 with entry 7b008000. filesize: 0x1a8 memsize: 0x1a8 Processing 13 relocs. Offset value of 0x7b008000 SMM Module: placing jmp sequence at 7b007c00 rel16 0x03fd SMM Module: placing jmp sequence at 7b007800 rel16 0x07fd SMM Module: placing jmp sequence at 7b007400 rel16 0x0bfd SMM Module: stub loaded at 7b008000. Will call 7b010a19(00000000) Clearing SMI status registers SMI_STS: PM1 PM1_STS: PWRBTN TCO_STS: BOOT SECOND_TO New SMBASE 0x7b000000 In relocation handler: CPU 0 New SMBASE=0x7b000000 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afffc00 In relocation handler: CPU 1 New SMBASE=0x7afffc00 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afff800 In relocation handler: CPU 2 New SMBASE=0x7afff800 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afff400 In relocation handler: CPU 3 New SMBASE=0x7afff400 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. Initializing CPU #0 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC... apic_id: 0x00 done. Turbo is available but hidden Turbo has been enabled SGX : param.enable = 0 Skip microcode update CPU #0 initialized Initializing CPU #1 Initializing CPU #2 Initializing CPU #3 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC...CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC...Setting up local APIC... apic_id: 0x02 done. apic_id: 0x03 done. Skip microcode update Skip microcode update CPU #2 initialized CPU #3 initialized apic_id: 0x01 done. Skip microcode update CPU #1 initialized bsp_do_flight_plan done after 226 msecs. CPU: frequency set to 3400 MHz Enabling SMIs. Locking SMM. VMX : param.enable = 1 VMX status: enabled, unlocked SGX: pre-conditions not met VMX status: enabled, unlocked SGX: pre-conditions not met VMX status: enabled, unlocked VMX status: enabled, unlocked SGX: pre-conditions not met SGX: pre-conditions not met CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'vbt.bin' CBFS: Found @ offset 103a00 size 48e Found a VBT of 4608 bytes after decompression psys_pmax = 360 FMAP: area GBB found @ c11000 (978944 bytes) ITSS IRQ Polarities Before: IPC0: 0x00ff4000 IPC1: 0x00000007 IPC2: 0x00000000 IPC3: 0x00000000 ITSS IRQ Polarities After: IPC0: 0x00ff4000 IPC1: 0x00000007 IPC2: 0x00000000 IPC3: 0x00000000 Override DT after FSP-S, PCH is KBL/SKL PCH-LP SKU BS: BS_DEV_INIT_CHIPS times (us): entry 376059 run 170254 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 8971 usecs USB2 port 1 scanning... scan_usb_bus for USB2 port 1 scan_usb_bus for USB2 port 1 done scan_bus: scanning of bus USB2 port 1 took 8974 usecs USB2 port 2 scanning... scan_usb_bus for USB2 port 2 scan_usb_bus for USB2 port 2 done scan_bus: scanning of bus USB2 port 2 took 8964 usecs USB2 port 4 scanning... scan_usb_bus for USB2 port 4 scan_usb_bus for USB2 port 4 done scan_bus: scanning of bus USB2 port 4 took 8964 usecs USB2 port 8 scanning... scan_usb_bus for USB2 port 8 scan_usb_bus for USB2 port 8 done scan_bus: scanning of bus USB2 port 8 took 8970 usecs scan_usb_bus for USB0 port 0 done scan_bus: scanning of bus USB0 port 0 took 90936 usecs scan_usb_bus for PCI: 00:14.0 done scan_bus: scanning of bus PCI: 00:14.0 took 107716 usecs PCI: 00:15.0 scanning... scan_generic_bus for PCI: 00:15.0 bus: PCI: 00:15.0[0]->I2C: 01:5c enabled scan_generic_bus for PCI: 00:15.0 done scan_bus: scanning of bus PCI: 00:15.0 took 14152 usecs PCI: 00:15.1 scanning... scan_generic_bus for PCI: 00:15.1 bus: PCI: 00:15.1[0]->I2C: 02:15 enabled scan_generic_bus for PCI: 00:15.1 done scan_bus: scanning of bus PCI: 00:15.1 took 14154 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 22360 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 53531 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 13867 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 11315 usecs PCI: 00:1f.2 scanning... scan_lpc_bus for PCI: 00:1f.2 scan_lpc_bus for PCI: 00:1f.2 done scan_bus: scanning of bus PCI: 00:1f.2 took 9265 usecs PCI: 00:1f.3 scanning... scan_bus: scanning of bus PCI: 00:1f.3 took 2719 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 10042 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 10050 usecs scan_bus: scanning of bus DOMAIN: 0000 took 465994 usecs root_dev_scan_bus for Root Device done scan_bus: scanning of bus Root Device took 486095 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 825808 exit 39244 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] me 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 2114218 exit 30 Enabling resources... PCI: 00:00.0 subsystem <- 8086/590c PCI: 00:00.0 cmd <- 06 PCI: 00:02.0 subsystem <- 8086/591c PCI: 00:02.0 cmd <- 03 PCI: 00:04.0 cmd <- 02 PCI: 00:08.0 cmd <- 06 PCI: 00:14.0 subsystem <- 8086/9d2f PCI: 00:14.0 cmd <- 02 PCI: 00:14.2 subsystem <- 8086/9d31 PCI: 00:14.2 cmd <- 02 PCI: 00:15.0 subsystem <- 8086/9d60 PCI: 00:15.0 cmd <- 06 PCI: 00:15.1 subsystem <- 8086/9d61 PCI: 00:15.1 cmd <- 06 PCI: 00:16.0 subsystem <- 8086/9d3a PCI: 00:16.0 cmd <- 02 PCI: 00:19.0 subsystem <- 8086/9d66 PCI: 00:19.0 cmd <- 06 PCI: 00:19.1 subsystem <- 8086/9d65 PCI: 00:19.1 cmd <- 06 PCI: 00:1c.0 bridge ctrl <- 0003 PCI: 00:1c.0 subsystem <- 8086/9d10 PCI: 00:1c.0 cmd <- 06 PCI: 00:1e.0 subsystem <- 8086/9d27 PCI: 00:1e.0 cmd <- 06 PCI: 00:1e.2 subsystem <- 8086/9d29 PCI: 00:1e.2 cmd <- 06 PCI: 00:1e.4 subsystem <- 8086/9d2b PCI: 00:1e.4 cmd <- 06 PCI: 00:1e.6 subsystem <- 8086/9d2d PCI: 00:1e.6 cmd <- 06 PCI: 00:1f.0 subsystem <- 8086/9d4b PCI: 00:1f.0 cmd <- 407 PCI: 00:1f.2 subsystem <- 8086/9d21 PCI: 00:1f.2 cmd <- 02 PCI: 00:1f.3 subsystem <- 8086/9d71 PCI: 00:1f.3 cmd <- 02 PCI: 00:1f.4 subsystem <- 8086/9d23 PCI: 00:1f.4 cmd <- 03 PCI: 00:1f.5 subsystem <- 8086/9d24 PCI: 00:1f.5 cmd <- 406 PCI: 01:00.0 subsystem <- 8086/095a PCI: 01:00.0 cmd <- 02 done. ME: Version : 11.8.50.3470 BS: BS_DEV_ENABLE times (us): entry 230 run 139333 exit 18945 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 30835 usecs CPU_CLUSTER: 0 init ... CPU_CLUSTER: 0 init finished in 2445 usecs PCI: 00:00.0 init ... CPU TDP: 5 Watts CPU PL2 = 18 Watts PCI: 00:00.0 init finished in 6985 usecs PCI: 00:02.0 init ... PCI: 00:02.0 init finished in 2250 usecs PCI: 00:04.0 init ... PCI: 00:04.0 init finished in 2249 usecs PCI: 00:08.0 init ... PCI: 00:08.0 init finished in 2249 usecs PCI: 00:14.0 init ... PCI: 00:14.0 init finished in 2250 usecs PCI: 00:14.2 init ... PCI: 00:14.2 init finished in 2240 usecs PCI: 00:15.0 init ... DW I2C bus 0 at 0xd1132000 (400 KHz) PCI: 00:15.0 init finished in 5970 usecs PCI: 00:15.1 init ... DW I2C bus 1 at 0xd1133000 (400 KHz) PCI: 00:15.1 init finished in 5968 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 5970 usecs PCI: 00:1c.0 init ... Initializing PCH PCIe bridge. PCI: 00:1c.0 init finished in 5291 usecs PCI: 00:1e.4 init ... PCI: 00:1e.4 init finished in 2249 usecs PCI: 00:1f.0 init ... IOAPIC: Initializing IOAPIC at 0xfec00000 IOAPIC: Bootstrap Processor Local APIC = 0x00 IOAPIC: ID = 0x02 IOAPIC: Dumping registers reg 0x0000: 0x02000000 reg 0x0001: 0x00770020 reg 0x0002: 0x00000000 PCI: 00:1f.0 init finished in 23495 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 23798 usecs PCI: 00:1f.4 init ... PCI: 00:1f.4 init finished in 2261 usecs PCI: 01:00.0 init ... PCI: 01:00.0 init finished in 2391 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_v2.0.427-c38dc837e running image: 1 EC returned error result code 1 PNP: 0c09.0 init finished in 24453 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 2023-02-06 11:36:51 UTC POST: Unexpected post code in previous boot: 0x34 ELOG: Event(A3) added with size 11 at 2023-02-06 11:36:51 UTC ELOG: Event(92) added with size 9 at 2023-02-06 11:36:51 UTC ELOG: Event(9A) added with size 9 at 2023-02-06 11:36:51 UTC ELOG: Event(AD) added with size 10 at 2023-02-06 11:36:51 UTC ELOG: Event(9F) added with size 14 at 2023-02-06 11:36:51 UTC BS: BS_DEV_INIT times (us): entry 0 run 417141 exit 60048 ELOG: Event(A1) added with size 10 at 2023-02-06 11:36:51 UTC elog_add_boot_reason: Logged recovery mode boot (Dev-switch on), reason: 0x1b ELOG: Event(A0) added with size 9 at 2023-02-06 11:36:51 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 25597 run 3961 exit 5200 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, 0x5a4 bytes, checksum 7aac coreboot table: 1468 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 VPD 7. 7affe920 00000047 COREBOOTFWD 8. 7affe8e0 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 537617 exit 146871 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 : 0x00084004 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 600 run 262163 exit 135698 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 9034191/tftp-deploy-xn72qs8h/kernel/bzImage 9034191/tftp-deploy-xn72qs8h/kernel/cmdline 9034191/tftp-deploy-xn72qs8h/ramdisk/ramdisk.cpio.gz tftpboot 192.168.201.1 9034191/tftp-deploy-xn72qs8h/kernel/bzImaoy-xn72qs8h/kernel/cmdline 9034191/tftp-deploy-xn72qs8h/ramdisk/ramdisk.cpio.gz Waiting for link R8152: Initializing Version 9 (ocp_data = 6010) R8152: Done initializing Adding net device done. MAC: 00:e0:4c:68:04:98 Sending DHCP discover... done. Waiting for reply... done. Sending DHCP request... done. Waiting for reply... done. My ip is 192.168.201.15 The DHCP server ip is 192.168.201.1 TFTP server IP predefined by user: 192.168.201.1 Bootfile predefined by user: 9034191/tftp-deploy-xn72qs8h/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 ################################################################ 00d80000 ##################### done. The bootfile was 14320256 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: 9034191/tftp-deploy-xn72qs8h/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/9034191/extract-nfsrootfs-vxcopaqp,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: 20478669 Starting kernel ... [ 0.000000] Linux version 5.10.167-cip25 (KernelCI@build-j990278-x86-64-gcc-10-x86-64-defconfig-x86-chromeboo7q79w) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Mon Feb 6 11:24:32 UTC 2023 [ 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/9034191/extract-nfsrootfs-vxcopaqp,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 [ 0.000058] last_pfn = 0x17f000 max_arch_pfn = 0x400000000 [ 0.001404] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.007230] last_pfn = 0x7a998 max_arch_pfn = 0x400000000 [ 0.026394] check: Scanning 1 areas for low memory corruption [ 0.026407] Using GB pages for direct mapping [ 0.027046] RAMDISK: [mem 0x377c2000-0x37ffffff] [ 0.027054] ACPI: Early table checksum verification disabled [ 0.027062] ACPI: RSDP 0x00000000000F0000 000024 (v02 CORE ) [ 0.027077] ACPI: XSDT 0x000000007AA9A0E0 00006C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.027094] ACPI: FACP 0x000000007AA9E970 0000F4 (v04 CORE COREBOOT 00000000 CORE 00000000) [ 0.027110] ACPI: DSDT 0x000000007AA9A280 0046E3 (v05 COREv4 COREBOOT 20110725 INTL 20180531) [ 0.027124] ACPI: FACS 0x000000007AA9A240 000040 [ 0.027135] ACPI: FACS 0x000000007AA9A240 000040 [ 0.027147] ACPI: SSDT 0x000000007AA9EA70 000EFA (v02 CORE COREBOOT 0000002A CORE 0000002A) [ 0.027160] ACPI: MCFG 0x000000007AA9F970 00003C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.027173] ACPI: TPM2 0x000000007AA9F9B0 000040 (v04 CORE COREBOOT 00000000 CORE 00000000) [ 0.027185] ACPI: APIC 0x000000007AA9F9F0 00006C (v02 CORE COREBOOT 00000000 CORE 00000000) [ 0.027198] ACPI: NHLT 0x000000007AA9FA60 001B1C (v05 GOOGLE RAMMUS 00000000 CORE 00000000) [ 0.027211] ACPI: DMAR 0x000000007AAA1580 000088 (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.027223] ACPI: DBG2 0x000000007AAA3610 000061 (v00 CORE COREBOOT 00000000 CORE 00000000) [ 0.027236] ACPI: HPET 0x000000007AAA3680 000038 (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.027248] ACPI: Reserving FACP table memory at [mem 0x7aa9e970-0x7aa9ea63] [ 0.027254] ACPI: Reserving DSDT table memory at [mem 0x7aa9a280-0x7aa9e962] [ 0.027259] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] [ 0.027264] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] [ 0.027269] ACPI: Reserving SSDT table memory at [mem 0x7aa9ea70-0x7aa9f969] [ 0.027274] ACPI: Reserving MCFG table memory at [mem 0x7aa9f970-0x7aa9f9ab] [ 0.027278] ACPI: Reserving TPM2 table memory at [mem 0x7aa9f9b0-0x7aa9f9ef] [ 0.027283] ACPI: Reserving APIC table memory at [mem 0x7aa9f9f0-0x7aa9fa5b] [ 0.027288] ACPI: Reserving NHLT table memory at [mem 0x7aa9fa60-0x7aaa157b] [ 0.027293] ACPI: Reserving DMAR table memory at [mem 0x7aaa1580-0x7aaa1607] [ 0.027298] ACPI: Reserving DBG2 table memory at [mem 0x7aaa3610-0x7aaa3670] [ 0.027303] ACPI: Reserving HPET table memory at [mem 0x7aaa3680-0x7aaa36b7] [ 0.027443] No NUMA configuration found [ 0.027448] Faking a node at [mem 0x0000000000000000-0x000000017effffff] [ 0.027458] NODE_DATA(0) allocated [mem 0x17effc000-0x17effffff] [ 0.027504] Zone ranges: [ 0.027509] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.027517] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.027525] Normal [mem 0x0000000100000000-0x000000017effffff] [ 0.027532] Movable zone start for each node [ 0.027537] Early memory node ranges [ 0.027543] node 0: [mem 0x0000000000001000-0x000000000009ffff] [ 0.027548] node 0: [mem 0x0000000000100000-0x000000007a997fff] [ 0.027553] node 0: [mem 0x0000000100000000-0x000000017effffff] [ 0.027560] Initmem setup node 0 [mem 0x0000000000001000-0x000000017effffff] [ 0.027597] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.027643] On node 0, zone DMA: 96 pages in unavailable ranges [ 0.039093] On node 0, zone Normal: 22120 pages in unavailable ranges [ 0.039171] On node 0, zone Normal: 4096 pages in unavailable ranges [ 0.039198] Reserving Intel graphics memory at [mem 0x7c000000-0x7fffffff] [ 0.039585] ACPI: PM-Timer IO Port: 0x1808 [ 0.039642] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-119 [ 0.039656] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 0.039662] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.039678] Using ACPI (MADT) for SMP configuration information [ 0.039684] ACPI: HPET id: 0x8086a701 base: 0xfed00000 [ 0.039692] TSC deadline timer available [ 0.039697] smpboot: Allowing 4 CPUs, 0 hotplug CPUs [ 0.039728] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.039735] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000fffff] [ 0.039741] PM: hibernation: Registered nosave memory: [mem 0x7a998000-0x7affffff] [ 0.039745] PM: hibernation: Registered nosave memory: [mem 0x7b000000-0x7fffffff] [ 0.039750] PM: hibernation: Registered nosave memory: [mem 0x80000000-0xdfffffff] [ 0.039755] PM: hibernation: Registered nosave memory: [mem 0xe0000000-0xe3ffffff] [ 0.039759] PM: hibernation: Registered nosave memory: [mem 0xe4000000-0xfdffffff] [ 0.039764] PM: hibernation: Registered nosave memory: [mem 0xfe000000-0xfe00ffff] [ 0.039768] PM: hibernation: Registered nosave memory: [mem 0xfe010000-0xfed0ffff] [ 0.039773] PM: hibernation: Registered nosave memory: [mem 0xfed10000-0xfed19fff] [ 0.039777] PM: hibernation: Registered nosave memory: [mem 0xfed1a000-0xfed7ffff] [ 0.039782] PM: hibernation: Registered nosave memory: [mem 0xfed80000-0xfed84fff] [ 0.039786] PM: hibernation: Registered nosave memory: [mem 0xfed85000-0xfed8ffff] [ 0.039791] PM: hibernation: Registered nosave memory: [mem 0xfed90000-0xfed91fff] [ 0.039795] PM: hibernation: Registered nosave memory: [mem 0xfed92000-0xffffffff] [ 0.039805] [mem 0x80000000-0xdfffffff] available for PCI devices [ 0.039813] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns [ 0.054784] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:4 nr_node_ids:1 [ 0.055078] percpu: Embedded 59 pages/cpu s200848 r8192 d32624 u524288 [ 0.055161] Built 1 zonelists, mobility grouping on. Total pages: 1006266 [ 0.055167] Policy zone: Normal [ 0.055182] 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/9034191/extract-nfsrootfs-vxcopaqp,tcp,hard ip=dhcp tftpserverip=192.168.201.1 [ 0.055735] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) [ 0.055994] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear) [ 0.056087] mem auto-init: stack:off, heap alloc:off, heap free:off [ 0.078460] Memory: 3888352K/4089052K available (18450K kernel code, 3461K rwdata, 7992K rodata, 2012K init, 13316K bss, 200440K reserved, 0K cma-reserved) [ 0.078621] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 [ 0.078684] Kernel/User page tables isolation: enabled [ 0.078770] ftrace: allocating 52820 entries in 207 pages [ 0.140613] ftrace: allocated 207 pages with 6 groups [ 0.140946] Running RCU self tests [ 0.140964] rcu: Hierarchical RCU implementation. [ 0.140969] rcu: RCU event tracing is enabled. [ 0.140974] rcu: RCU lockdep checking is enabled. [ 0.140980] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=4. [ 0.140986] Rude variant of Tasks RCU enabled. [ 0.140990] Tracing variant of Tasks RCU enabled. [ 0.140996] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies. [ 0.141001] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 [ 0.152847] NR_IRQS: 4352, nr_irqs: 1024, preallocated irqs: 16 [ 0.153337] random: crng init done [ 0.153452] Console: colour dummy device 80x25 [ 0.228739] printk: console [ttyS0] enabled [ 0.229109] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.229772] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.230134] ... MAX_LOCK_DEPTH: 48 [ 0.230502] ... MAX_LOCKDEP_KEYS: 8192 [ 0.230885] ... CLASSHASH_SIZE: 4096 [ 0.231267] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.231656] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.232045] ... CHAINHASH_SIZE: 32768 [ 0.232435] memory used by lock dependency info: 6365 kB [ 0.232904] memory used for stack traces: 4224 kB [ 0.233322] per task-struct memory footprint: 1920 bytes [ 0.233853] ACPI: Core revision 20200925 [ 0.234463] hpet: HPET dysfunctional in PC10. Force disabled. [ 0.234964] APIC: Switch to symmetric I/O mode setup [ 0.239432] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x170fff30cc4, max_idle_ns: 440795237869 ns [ 0.240356] Calibrating delay loop (skipped), value calculated using timer frequency.. 3199.92 BogoMIPS (lpj=1599960) [ 0.241262] pid_max: default: 32768 minimum: 301 [ 0.241336] LSM: Security Framework initializing [ 0.241336] SELinux: Initializing. [ 0.241336] LSM support for eBPF active [ 0.241336] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.241336] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.241336] mce: CPU0: Thermal monitoring enabled (TM1) [ 0.241336] process: using mwait in idle threads [ 0.241336] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8 [ 0.241336] Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4 [ 0.241336] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 0.241336] Spectre V2 : Mitigation: IBRS [ 0.241336] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 0.241336] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB on VMEXIT [ 0.241336] RETBleed: Mitigation: IBRS [ 0.241336] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier [ 0.241336] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl and seccomp [ 0.241336] MDS: Vulnerable: Clear CPU buffers attempted, no microcode [ 0.241336] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode [ 0.241336] SRBDS: Vulnerable: No microcode [ 0.241336] ------------[ cut here ]------------ [ 0.241336] missing return thunk: lkdtm_rodata_do_nothing+0x0/0x10-lkdtm_rodata_do_nothing+0x5/0x10: e9 00 00 00 00 [ 0.241336] WARNING: CPU: 0 PID: 0 at arch/x86/kernel/alternative.c:712 apply_returns+0x1f5/0x220 [ 0.241336] Modules linked in: [ 0.241336] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.10.167-cip25 #1 [ 0.241336] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 0.241336] RIP: 0010:apply_returns+0x1f5/0x220 [ 0.241336] 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 08 1d 7f bd c6 05 cc 4b e4 01 01 e8 9d 03 e6 00 <0f> 0b e9 b9 fe ff ff 44 89 f9 c7 00 cc cc cc cc c7 44 08 fc cc cc [ 0.241336] RSP: 0000:ffffffffbda03de0 EFLAGS: 00010282 [ 0.241336] RAX: 0000000000000000 RBX: ffffffffbe4d1428 RCX: 0000000000000000 [ 0.241336] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffbbf7aba1 [ 0.241336] RBP: ffffffffbd4d15a0 R08: 0000000000000001 R09: 0000000000000001 [ 0.241336] R10: ffffffffbda8fec0 R11: 3fffffffffffffff R12: ffffffffbe4e8638 [ 0.241336] R13: cccccccccccccccc R14: ffffffffbd4d15a5 R15: 0000000000000004 [ 0.241336] FS: 0000000000000000(0000) GS:ffff91df3ac00000(0000) knlGS:0000000000000000 [ 0.241336] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 0.241336] CR2: ffff91df23001000 CR3: 0000000161826001 CR4: 00000000003706f0 [ 0.241336] Call Trace: [ 0.241336] alternative_instructions+0x7d/0x143 [ 0.241336] check_bugs+0xece/0xf2a [ 0.241336] start_kernel+0x517/0x54d [ 0.241336] secondary_startup_64_no_verify+0xc2/0xcb [ 0.241336] irq event stamp: 162551 [ 0.241336] hardirqs last enabled at (162559): [] console_unlock+0x4d1/0x5f0 [ 0.241336] hardirqs last disabled at (162566): [] console_unlock+0x444/0x5f0 [ 0.241336] softirqs last enabled at (1824): [] cgroup_idr_alloc.constprop.0+0x5b/0xe0 [ 0.241336] softirqs last disabled at (1822): [] cgroup_idr_alloc.constprop.0+0x2e/0xe0 [ 0.241336] ---[ end trace 7a8cb61385a8de89 ]--- [ 0.241336] Freeing SMP alternatives memory: 44K [ 0.241336] smpboot: CPU0: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz (family: 0x6, model: 0x8e, stepping: 0x9) [ 0.242300] Performance Events: PEBS fmt3+, Skylake events, 32-deep LBR, full-width counters, Intel PMU driver. [ 0.243245] ... version: 4 [ 0.243346] ... bit width: 48 [ 0.243734] ... generic registers: 4 [ 0.244091] ... value mask: 0000ffffffffffff [ 0.244345] ... max period: 00007fffffffffff [ 0.244811] ... fixed-purpose events: 3 [ 0.245166] ... event mask: 000000070000000f [ 0.246028] rcu: Hierarchical SRCU implementation. [ 0.248838] smp: Bringing up secondary CPUs ... [ 0.250284] x86: Booting SMP configuration: [ 0.250375] .... node #0, CPUs: #1 [ 0.251863] 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. [ 0.253351] 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. [ 0.255228] #2 #3 [ 0.258435] smp: Brought up 1 node, 4 CPUs [ 0.258997] smpboot: Max logical packages: 1 [ 0.259348] smpboot: Total of 4 processors activated (12799.68 BogoMIPS) [ 0.262349] devtmpfs: initialized [ 0.263111] x86/mm: Memory block size: 128MB [ 0.268585] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns [ 0.269368] futex hash table entries: 1024 (order: 5, 131072 bytes, linear) [ 0.270565] pinctrl core: initialized pinctrl subsystem [ 0.271528] PM: RTC time: 11:37:07, date: 2023-02-06 [ 0.272733] NET: Registered protocol family 16 [ 0.274178] audit: initializing netlink subsys (disabled) [ 0.274425] audit: type=2000 audit(1675683427.034:1): state=initialized audit_enabled=0 res=1 [ 0.275539] thermal_sys: Registered thermal governor 'step_wise' [ 0.275547] thermal_sys: Registered thermal governor 'user_space' [ 0.276187] cpuidle: using governor menu [ 0.276796] ACPI: bus type PCI registered [ 0.277847] PCI: MMCONFIG for domain 0000 [bus 00-3f] at [mem 0xe0000000-0xe3ffffff] (base 0xe0000000) [ 0.278352] PCI: MMCONFIG at [mem 0xe0000000-0xe3ffffff] reserved in E820 [ 0.278985] PCI: Using configuration type 1 for base access [ 0.311966] Kprobes globally optimized [ 0.312519] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 0.313371] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 0.314195] cryptomgr_test (38) used greatest stack depth: 14880 bytes left [ 0.317699] ACPI: Added _OSI(Module Device) [ 0.318079] ACPI: Added _OSI(Processor Device) [ 0.318379] ACPI: Added _OSI(3.0 _SCP Extensions) [ 0.318798] ACPI: Added _OSI(Processor Aggregator Device) [ 0.319276] ACPI: Added _OSI(Linux-Dell-Video) [ 0.320353] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 0.320823] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 0.338485] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 0.350037] ACPI: EC: EC started [ 0.350343] ACPI: EC: interrupt blocked [ 0.351757] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.352208] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC used to handle transactions [ 0.352346] ACPI: Interpreter enabled [ 0.352772] ACPI: (supports S0 S3 S4 S5) [ 0.353126] ACPI: Using IOAPIC for interrupt routing [ 0.354452] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 0.379188] ACPI: Power Resource [PRIC] (on) [ 0.510955] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 0.511357] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] [ 0.512557] acpi PNP0A08:00: _OSC: OS now controls [PME PCIeCapability LTR] [ 0.513251] acpi PNP0A08:00: [Firmware Info]: MMCONFIG for domain 0000 [bus 00-3f] only partially covers this bridge [ 0.515204] PCI host bridge to bus 0000:00 [ 0.515351] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 0.515942] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 0.516348] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 0.516997] pci_bus 0000:00: root bus resource [mem 0x000c0000-0x000c3fff window] [ 0.517347] pci_bus 0000:00: root bus resource [mem 0x000c4000-0x000c7fff window] [ 0.517994] pci_bus 0000:00: root bus resource [mem 0x000c8000-0x000cbfff window] [ 0.519348] pci_bus 0000:00: root bus resource [mem 0x000cc000-0x000cffff window] [ 0.519997] pci_bus 0000:00: root bus resource [mem 0x000d0000-0x000d3fff window] [ 0.520346] pci_bus 0000:00: root bus resource [mem 0x000d4000-0x000d7fff window] [ 0.520995] pci_bus 0000:00: root bus resource [mem 0x000d8000-0x000dbfff window] [ 0.521347] pci_bus 0000:00: root bus resource [mem 0x000dc000-0x000dffff window] [ 0.521995] pci_bus 0000:00: root bus resource [mem 0x000e0000-0x000e3fff window] [ 0.523348] pci_bus 0000:00: root bus resource [mem 0x000e4000-0x000e7fff window] [ 0.523998] pci_bus 0000:00: root bus resource [mem 0x000e8000-0x000ebfff window] [ 0.524346] pci_bus 0000:00: root bus resource [mem 0x000ec000-0x000effff window] [ 0.524995] pci_bus 0000:00: root bus resource [mem 0x000f0000-0x000fffff window] [ 0.525347] pci_bus 0000:00: root bus resource [mem 0x80000001-0xdfffffff window] [ 0.525995] pci_bus 0000:00: root bus resource [mem 0x800000000-0xbffffffff window] [ 0.526347] pci_bus 0000:00: root bus resource [mem 0xfd000000-0xfe7fffff window] [ 0.526994] pci_bus 0000:00: root bus resource [mem 0xfed40000-0xfed44fff window] [ 0.528349] pci_bus 0000:00: root bus resource [bus 00-ff] [ 0.528940] pci 0000:00:00.0: [8086:590c] type 00 class 0x060000 [ 0.530762] pci 0000:00:02.0: [8086:591c] type 00 class 0x030000 [ 0.531316] pci 0000:00:02.0: reg 0x10: [mem 0xd0000000-0xd0ffffff 64bit] [ 0.531364] pci 0000:00:02.0: reg 0x18: [mem 0xc0000000-0xcfffffff 64bit pref] [ 0.532000] pci 0000:00:02.0: reg 0x20: [io 0x1c00-0x1c3f] [ 0.534269] pci 0000:00:04.0: [8086:1903] type 00 class 0x118000 [ 0.534377] pci 0000:00:04.0: reg 0x10: [mem 0xd1120000-0xd1127fff 64bit] [ 0.536051] pci 0000:00:08.0: [8086:1911] type 00 class 0x088000 [ 0.536377] pci 0000:00:08.0: reg 0x10: [mem 0xd1130000-0xd1130fff 64bit] [ 0.537899] pci 0000:00:14.0: [8086:9d2f] type 00 class 0x0c0330 [ 0.538390] pci 0000:00:14.0: reg 0x10: [mem 0xd1100000-0xd110ffff 64bit] [ 0.539151] pci 0000:00:14.0: PME# supported from D3hot D3cold [ 0.541410] pci 0000:00:14.2: [8086:9d31] type 00 class 0x118000 [ 0.541981] pci 0000:00:14.2: reg 0x10: [mem 0xd1131000-0xd1131fff 64bit] [ 0.543293] pci 0000:00:15.0: [8086:9d60] type 00 class 0x118000 [ 0.543397] pci 0000:00:15.0: reg 0x10: [mem 0xd1132000-0xd1132fff 64bit] [ 0.545111] pci 0000:00:15.1: [8086:9d61] type 00 class 0x118000 [ 0.546400] pci 0000:00:15.1: reg 0x10: [mem 0xd1133000-0xd1133fff 64bit] [ 0.548152] pci 0000:00:19.0: [8086:9d66] type 00 class 0x118000 [ 0.548406] pci 0000:00:19.0: reg 0x10: [mem 0xfe034000-0xfe034fff 64bit] [ 0.549027] pci 0000:00:19.0: reg 0x18: [mem 0xd1135000-0xd1135fff 64bit] [ 0.550443] pci 0000:00:19.1: [8086:9d65] type 00 class 0x118000 [ 0.551016] pci 0000:00:19.1: reg 0x10: [mem 0xd1136000-0xd1136fff 64bit] [ 0.553520] pci 0000:00:1c.0: [8086:9d10] type 01 class 0x060400 [ 0.554287] pci 0000:00:1c.0: PME# supported from D0 D3hot D3cold [ 0.555423] pci 0000:00:1e.0: [8086:9d27] type 00 class 0x118000 [ 0.555997] pci 0000:00:1e.0: reg 0x10: [mem 0xd1137000-0xd1137fff 64bit] [ 0.557493] pci 0000:00:1e.2: [8086:9d29] type 00 class 0x118000 [ 0.558068] pci 0000:00:1e.2: reg 0x10: [mem 0xd1138000-0xd1138fff 64bit] [ 0.560471] pci 0000:00:1e.4: [8086:9d2b] type 00 class 0x080501 [ 0.561039] pci 0000:00:1e.4: reg 0x10: [mem 0xd1139000-0xd1139fff 64bit] [ 0.562636] pci 0000:00:1e.6: [8086:9d2d] type 00 class 0x080501 [ 0.563206] pci 0000:00:1e.6: reg 0x10: [mem 0xd113a000-0xd113afff 64bit] [ 0.564443] pci 0000:00:1f.0: [8086:9d4b] type 00 class 0x060100 [ 0.566057] pci 0000:00:1f.2: [8086:9d21] type 00 class 0x058000 [ 0.567384] pci 0000:00:1f.2: reg 0x10: [mem 0xd1128000-0xd112bfff] [ 0.568986] pci 0000:00:1f.3: [8086:9d71] type 00 class 0x040100 [ 0.569395] pci 0000:00:1f.3: reg 0x10: [mem 0xd112c000-0xd112ffff 64bit] [ 0.570049] pci 0000:00:1f.3: reg 0x20: [mem 0xd1110000-0xd111ffff 64bit] [ 0.570474] pci 0000:00:1f.3: PME# supported from D3hot D3cold [ 0.572057] pci 0000:00:1f.4: [8086:9d23] type 00 class 0x0c0500 [ 0.572417] pci 0000:00:1f.4: reg 0x10: [mem 0xd113c000-0xd113c0ff 64bit] [ 0.573083] pci 0000:00:1f.4: reg 0x20: [io 0xefa0-0xefbf] [ 0.574372] pci 0000:00:1f.5: [8086:9d24] type 00 class 0x000000 [ 0.574933] pci 0000:00:1f.5: reg 0x10: [mem 0xfe010000-0xfe010fff] [ 0.578330] pci 0000:01:00.0: [8086:095a] type 00 class 0x028000 [ 0.579296] pci 0000:01:00.0: reg 0x10: [mem 0xd1000000-0xd1001fff 64bit] [ 0.584589] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold [ 0.587812] pci 0000:00:1c.0: PCI bridge to [bus 01] [ 0.588269] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] [ 0.590189] ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.591768] ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 *10 12 14 15) [ 0.592794] ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.593757] ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.594774] ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.595728] ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.596727] ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.597728] ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.606032] ACPI: EC: interrupt unblocked [ 0.606344] ACPI: EC: event unblocked [ 0.606691] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.607143] ACPI: EC: GPE=0x6e [ 0.607350] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC initialization complete [ 0.607965] ACPI: \_SB_.PCI0.LPCB.EC0_: EC: Used to handle transactions and events [ 0.609916] iommu: Default domain type: Translated [ 0.610604] pci 0000:00:02.0: vgaarb: setting as boot VGA device [ 0.610981] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 0.612377] pci 0000:00:02.0: vgaarb: bridge control possible [ 0.612881] vgaarb: loaded [ 0.613826] SCSI subsystem initialized [ 0.614591] ACPI: bus type USB registered [ 0.615107] usbcore: registered new interface driver usbfs [ 0.615423] usbcore: registered new interface driver hub [ 0.615937] usbcore: registered new device driver usb [ 0.616516] pps_core: LinuxPPS API ver. 1 registered [ 0.616954] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 0.617359] PTP clock support registered [ 0.618652] Advanced Linux Sound Architecture Driver Initialized. [ 0.620212] NetLabel: Initializing [ 0.621348] NetLabel: domain hash size = 128 [ 0.621736] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 0.622324] NetLabel: unlabeled traffic allowed by default [ 0.622502] PCI: Using ACPI for IRQ routing [ 0.631339] clocksource: Switched to clocksource tsc-early [ 1.149056] VFS: Disk quotas dquot_6.6.0 [ 1.149493] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 1.150626] pnp: PnP ACPI init [ 1.151999] system 00:00: [mem 0xfed10000-0xfed17fff] has been reserved [ 1.152610] system 00:00: [mem 0xfed18000-0xfed18fff] has been reserved [ 1.153190] system 00:00: [mem 0xfed19000-0xfed19fff] has been reserved [ 1.153787] system 00:00: [mem 0xe0000000-0xe3ffffff] has been reserved [ 1.154383] system 00:00: [mem 0xfed20000-0xfed3ffff] has been reserved [ 1.154964] system 00:00: [mem 0xfed90000-0xfed93fff] could not be reserved [ 1.155591] system 00:00: [mem 0xfed45000-0xfed8ffff] could not be reserved [ 1.156199] system 00:00: [mem 0xff000000-0xffffffff] has been reserved [ 1.156794] system 00:00: [mem 0xfee00000-0xfeefffff] has been reserved [ 1.157391] system 00:00: [mem 0xfed00000-0xfed003ff] has been reserved [ 1.159206] system 00:01: [io 0x1800-0x18fe] has been reserved [ 1.160278] system 00:03: [io 0x0900-0x09fe] has been reserved [ 1.161161] system 00:04: [io 0x0200] has been reserved [ 1.161654] system 00:04: [io 0x0204] has been reserved [ 1.162126] system 00:04: [io 0x0800-0x087f] has been reserved [ 1.162665] system 00:04: [io 0x0880-0x08ff] has been reserved [ 1.166333] pnp: PnP ACPI: found 6 devices [ 1.184168] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 1.185101] NET: Registered protocol family 2 [ 1.185702] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear) [ 1.188418] tcp_listen_portaddr_hash hash table entries: 2048 (order: 5, 163840 bytes, linear) [ 1.189452] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear) [ 1.190442] TCP bind hash table entries: 32768 (order: 9, 2359296 bytes, linear) [ 1.193355] TCP: Hash tables configured (established 32768 bind 32768) [ 1.194366] MPTCP token hash table entries: 4096 (order: 6, 360448 bytes, linear) [ 1.195370] UDP hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 1.196283] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 1.197418] NET: Registered protocol family 1 [ 1.198696] RPC: Registered named UNIX socket transport module. [ 1.199244] RPC: Registered udp transport module. [ 1.199685] RPC: Registered tcp transport module. [ 1.200104] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 1.201430] NET: Registered protocol family 44 [ 1.201849] pci 0000:00:1c.0: PCI bridge to [bus 01] [ 1.202305] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] [ 1.202941] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 1.203499] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 1.204039] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 1.204727] pci_bus 0000:00: resource 7 [mem 0x000c0000-0x000c3fff window] [ 1.205324] pci_bus 0000:00: resource 8 [mem 0x000c4000-0x000c7fff window] [ 1.205940] pci_bus 0000:00: resource 9 [mem 0x000c8000-0x000cbfff window] [ 1.206553] pci_bus 0000:00: resource 10 [mem 0x000cc000-0x000cffff window] [ 1.207158] pci_bus 0000:00: resource 11 [mem 0x000d0000-0x000d3fff window] [ 1.207777] pci_bus 0000:00: resource 12 [mem 0x000d4000-0x000d7fff window] [ 1.208443] pci_bus 0000:00: resource 13 [mem 0x000d8000-0x000dbfff window] [ 1.209048] pci_bus 0000:00: resource 14 [mem 0x000dc000-0x000dffff window] [ 1.209670] pci_bus 0000:00: resource 15 [mem 0x000e0000-0x000e3fff window] [ 1.210275] pci_bus 0000:00: resource 16 [mem 0x000e4000-0x000e7fff window] [ 1.210895] pci_bus 0000:00: resource 17 [mem 0x000e8000-0x000ebfff window] [ 1.211515] pci_bus 0000:00: resource 18 [mem 0x000ec000-0x000effff window] [ 1.212120] pci_bus 0000:00: resource 19 [mem 0x000f0000-0x000fffff window] [ 1.212739] pci_bus 0000:00: resource 20 [mem 0x80000001-0xdfffffff window] [ 1.213358] pci_bus 0000:00: resource 21 [mem 0x800000000-0xbffffffff window] [ 1.213976] pci_bus 0000:00: resource 22 [mem 0xfd000000-0xfe7fffff window] [ 1.214596] pci_bus 0000:00: resource 23 [mem 0xfed40000-0xfed44fff window] [ 1.215201] pci_bus 0000:01: resource 1 [mem 0xd1000000-0xd10fffff] [ 1.216438] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 1.219833] PCI: CLS 64 bytes, default 64 [ 1.220713] Unpacking initramfs... [ 1.597125] Freeing initrd memory: 8440K [ 1.597632] DMAR: Host address width 39 [ 1.598012] DMAR: DRHD base: 0x000000fed90000 flags: 0x0 [ 1.598577] DMAR: dmar0: reg_base_addr fed90000 ver 1:0 cap 1c0000c40660462 ecap 19e2ff0505e [ 1.599305] DMAR: RMRR base: 0x0000007b800000 end: 0x0000007fffffff [ 1.599874] DMAR: DRHD base: 0x000000fed91000 flags: 0x1 [ 1.600379] DMAR: dmar1: reg_base_addr fed91000 ver 1:0 cap d2008c40660462 ecap f050da [ 1.601195] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 1.601776] software IO TLB: mapped [mem 0x0000000076998000-0x000000007a998000] (64MB) [ 1.602734] RAPL PMU: API unit is 2^-32 Joules, 5 fixed counters, 655360 ms ovfl timer [ 1.603455] RAPL PMU: hw unit of domain pp0-core 2^-14 Joules [ 1.603958] RAPL PMU: hw unit of domain package 2^-14 Joules [ 1.604534] RAPL PMU: hw unit of domain dram 2^-14 Joules [ 1.605008] RAPL PMU: hw unit of domain pp1-gpu 2^-14 Joules [ 1.605518] RAPL PMU: hw unit of domain psys 2^-14 Joules [ 1.608313] kvm: already loaded the other module [ 1.623430] check: Scanning for low memory corruption every 60 seconds [ 1.628190] Initialise system trusted keyrings [ 1.628943] workingset: timestamp_bits=56 max_order=20 bucket_order=0 [ 1.656648] NFS: Registering the id_resolver key type [ 1.657146] Key type id_resolver registered [ 1.657577] Key type id_legacy registered [ 1.680484] Key type asymmetric registered [ 1.680884] Asymmetric key parser 'x509' registered [ 1.681409] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249) [ 1.682071] io scheduler mq-deadline registered [ 1.682499] io scheduler kyber registered [ 1.683162] test_firmware: interface ready [ 1.685611] pcieport 0000:00:1c.0: PME: Signaling with IRQ 120 [ 1.687823] ACPI: AC Adapter [AC] (on-line) [ 1.688720] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/PNP0C0D:00/input/input0 [ 1.690651] ACPI: Lid Switch [LID0] [ 1.691315] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input1 [ 1.692306] ACPI: Power Button [PWRF] [ 1.693118] ACPI: \_PR_.CP00: Found 3 idle states [ 1.694630] ACPI: \_PR_.CP01: Found 3 idle states [ 1.695877] ACPI: \_PR_.CP02: Found 3 idle states [ 1.697092] ACPI: \_PR_.CP03: Found 3 idle states [ 1.699421] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 1.703260] hpet_acpi_add: no address or irqs in _CRS [ 1.704089] Non-volatile memory driver v1.3 [ 1.704719] Linux agpgart interface v0.103 [ 1.705203] battery: ACPI: Battery Slot [BAT0] (battery present) [ 1.708847] i915 0000:00:02.0: vgaarb: deactivate vga console [ 1.761829] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem [ 1.763672] i915 0000:00:02.0: [drm] Finished loading DMC firmware i915/kbl_dmc_ver1_04.bin (v1.4) [ 1.805995] [drm] Initialized i915 1.6.0 20200917 for 0000:00:02.0 on minor 0 [ 1.810698] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 1 [ 1.835013] loop: module loaded [ 1.836461] lkdtm: No crash points registered, enable through debugfs [ 1.869646] printk: console [ttyS0] disabled [ 1.871108] dw-apb-uart.2: ttyS0 at MMIO 0xfe034000 (irq = 32, base_baud = 115200) is a 16550A [ 2.639657] tsc: Refined TSC clocksource calibration: 1607.999 MHz [ 2.639694] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x172da94f0e2, max_idle_ns: 440795278248 ns [ 2.639891] clocksource: Switched to clocksource tsc [ 5.265205] printk: console [ttyS0] enabled [ 5.265275] fbcon: i915drmfb (fb0) is primary device [ 5.281110] dw-apb-uart.4: ttyS1 at MMIO 0xd1137000 (irq = 20, base_baud = 115200) is a 16550A [ 5.283838] pxa2xx-spi pxa2xx-spi.5: no DMA channels available, using PIO [ 5.294113] e100: Intel(R) PRO/100 Network Driver [ 5.294118] e100: Copyright(c) 1999-2006 Intel Corporation [ 5.294194] e1000: Intel(R) PRO/1000 Network Driver [ 5.294197] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 5.294296] e1000e: Intel(R) PRO/1000 Network Driver [ 5.294298] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 5.294457] sky2: driver version 1.30 [ 5.294940] usbcore: registered new interface driver r8152 [ 5.295630] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 5.295655] ehci-pci: EHCI PCI platform driver [ 5.295704] tpm_tis_spi spi-PRP0001:00: TPM ready IRQ confirmed on attempt 2 [ 5.295738] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 5.295760] ohci-pci: OHCI PCI platform driver [ 5.295850] uhci_hcd: USB Universal Host Controller Interface driver [ 5.297505] xhci_hcd 0000:00:14.0: xHCI Host Controller [ 5.298571] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 1 [ 5.300006] xhci_hcd 0000:00:14.0: hcc params 0x200077c1 hci version 0x100 quirks 0x0000000081109810 [ 5.300075] xhci_hcd 0000:00:14.0: cache line size of 64 is not supported [ 5.302728] xhci_hcd 0000:00:14.0: xHCI Host Controller [ 5.303315] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 2 [ 5.303329] xhci_hcd 0000:00:14.0: Host supports USB 3.0 SuperSpeed [ 5.304057] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10 [ 5.304081] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 5.304086] usb usb1: Product: xHCI Host Controller [ 5.304091] usb usb1: Manufacturer: Linux 5.10.167-cip25 xhci-hcd [ 5.304096] usb usb1: SerialNumber: 0000:00:14.0 [ 5.306438] hub 1-0:1.0: USB hub found [ 5.306653] hub 1-0:1.0: 12 ports detected [ 5.311744] Console: switching to colour frame buffer device 240x67 [ 5.312010] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.10 [ 5.312018] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 5.312024] usb usb2: Product: xHCI Host Controller [ 5.312029] usb usb2: Manufacturer: Linux 5.10.167-cip25 xhci-hcd [ 5.312033] usb usb2: SerialNumber: 0000:00:14.0 [ 5.313148] hub 2-0:1.0: USB hub found [ 5.313215] hub 2-0:1.0: 6 ports detected [ 5.315994] usbcore: registered new interface driver usblp [ 5.316097] usbcore: registered new interface driver usb-storage [ 5.316753] udc-core: couldn't find an available UDC - added [g_ether] to list of pending drivers [ 5.316928] i8042: PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1 [ 5.316933] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp [ 5.317777] i8042: Warning: Keylock active [ 5.318062] serio: i8042 KBD port at 0x60,0x64 irq 1 [ 5.320754] rtc_cmos 00:02: RTC can wake from S4 [ 5.322650] tpm_tis_spi spi-PRP0001:00: 2.0 TPM (device-id 0x28, rev-id 0) [ 5.323689] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input2 [ 5.325968] rtc_cmos 00:02: registered as rtc0 [ 5.326287] rtc_cmos 00:02: alarms up to one month, 242 bytes nvram [ 5.327753] i801_smbus 0000:00:1f.4: SPD Write Disable is set [ 5.327804] i801_smbus 0000:00:1f.4: SMBus using PCI interrupt [ 5.329140] i2c i2c-9: 2/2 memory slots populated (from DMI) [ 5.333320] i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device [ 5.706498] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com [ 5.716115] intel_pstate: Intel P-state driver initializing [ 5.723982] intel_pstate: HWP enabled [ 5.728230] sdhci: Secure Digital Host Controller Interface driver [ 5.735187] sdhci: Copyright(c) Pierre Ossman [ 5.740131] sdhci-pci 0000:00:1e.4: SDHCI controller found [8086:9d2b] (rev 21) [ 5.749851] mmc0: SDHCI controller on PCI [0000:00:1e.4] using ADMA 64-bit [ 5.757807] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.771281] hid: raw HID events driver (C) Jiri Kosina [ 5.778364] usbcore: registered new interface driver usbhid [ 5.784621] usbhid: USB HID core driver [ 5.789681] input: Tablet Mode Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/GOOG0006:00/input/input3 [ 5.808915] cros_ec_lpcs GOOG0004:00: Chrome EC device registered [ 5.816711] snd_hda_intel 0000:00:1f.3: DSP detected with PCI class/subclass/prog-if info 0x040100 [ 5.831480] netem: version 1.3 [ 5.835047] ipip: IPv4 and MPLS over IPv4 tunneling driver [ 5.841539] gre: GRE over IPv4 demultiplexor driver [ 5.847003] ip_gre: GRE over IPv4 tunneling driver [ 5.853434] IPv4 over IPsec tunneling driver [ 5.857750] tpm_tis_spi spi-PRP0001:00: Cr50 firmware version: B2-C:0 RO_A:0.0.10/29d77172 RW_B:0.3.15/cr50_v1.9308_87_mp.224-6 [ 5.858565] Initializing XFRM netlink socket [ 5.876521] NET: Registered protocol family 10 [ 5.882454] Segment Routing with IPv6 [ 5.888245] ip6_gre: GRE over IPv6 tunneling driver [ 5.894029] NET: Registered protocol family 17 [ 5.899222] Key type dns_resolver registered [ 5.904775] microcode: sig=0x806e9, pf=0x10, revision=0x98 [ 5.910987] microcode: Microcode Update Driver: v2.2. [ 5.911018] IPI shorthand broadcast: enabled [ 5.921704] sched_clock: Marking stable (5834412742, 87042408)->(6034834666, -113379516) [ 5.931032] registered taskstats version 1 [ 5.931388] usb 1-3: new full-speed USB device number 2 using xhci_hcd [ 5.935671] Loading compiled-in X.509 certificates [ 5.950386] snd_hda_intel 0000:00:1f.3: bound 0000:00:02.0 (ops i915_audio_component_bind_ops) [ 5.952091] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.971039] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.979416] mmc0: new HS400 MMC card at address 0001 [ 5.980685] snd_hda_intel 0000:00:1f.3: Cannot probe codecs, giving up [ 5.981038] PM: Magic number: 11:172:630 [ 5.985740] mmcblk0: mmc0:0001 DA4064 58.2 GiB [ 6.002298] printk: console [netcon0] enabled [ 6.002391] mmcblk0boot0: mmc0:0001 DA4064 partition 1 4.00 MiB [ 6.007185] netconsole: network logging started [ 6.019135] mmcblk0boot1: mmc0:0001 DA4064 partition 2 4.00 MiB [ 6.035612] mmcblk0rpmb: mmc0:0001 DA4064 partition 3 16.0 MiB, chardev (246:0) [ 6.062661] mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12 [ 6.075179] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.075605] IP-Config: Failed to open gretap0 [ 6.084592] usb 1-3: New USB device found, idVendor=8087, idProduct=0a2a, bcdDevice= 0.03 [ 6.088264] IP-Config: Failed to open erspan0 [ 6.088266] IP-Config: No network devices available [ 6.088280] cfg80211: Loading compiled-in X.509 certificates for regulatory database [ 6.097442] usb 1-3: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 6.105681] modprobe (101) used greatest stack depth: 14208 bytes left [ 6.115974] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.116994] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' [ 6.147495] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 [ 6.148492] ALSA device list: [ 6.157191] cfg80211: failed to load regulatory.db [ 6.160496] No soundcards found. [ 6.170311] dw-apb-uart dw-apb-uart.2: forbid DMA for kernel console [ 6.180664] Freeing unused kernel image (initmem) memory: 2012K [ 6.194626] Write protecting the kernel read-only data: 28672k [ 6.201230] usb 2-3: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 6.210310] Freeing unused kernel image (text/rodata gap) memory: 2028K [ 6.218044] Freeing unused kernel image (rodata/data gap) memory: 200K [ 6.225454] Run /init as init process [ 6.234938] cat (111) used greatest stack depth: 13736 bytes left [ 6.241812] usb 2-3: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=31.00 Loading, please wait... [ 6.250974] usb 2-3: New USB device strings: Mfr=1, Product=2, SerialNumber=6 [ 6.261385] usb 2-3: Product: USB 10/100/1000 LAN Starting version 247.3-7+deb11u1 [ 6.266653] usb 2-3: Manufacturer: Realtek [ 6.274522] usb 2-3: SerialNumber: 001000001 [ 6.282597] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.321585] udevadm (125) used greatest stack depth: 13576 bytes left [ 6.344412] usb 1-9: new high-speed USB device number 3 using xhci_hcd [ 6.468057] cros-usbpd-notify-acpi GOOG0003:00: Couldn't get Chrome EC device pointer. [ 6.477076] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.505509] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.507007] usb 1-9: New USB device found, idVendor=13d3, idProduct=56d4, bcdDevice=18.07 [ 6.522916] usb 1-9: New USB device strings: Mfr=3, Product=1, SerialNumber=2 [ 6.530929] usb 1-9: Product: USB2.0 HD UVC WebCam [ 6.536386] usb 1-9: Manufacturer: Azurewave [ 6.541205] usb 1-9: SerialNumber: 0x0001 [ 6.553614] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.571000] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.585524] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.597279] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.599167] usb 2-3: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 6.620377] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.631107] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.661390] r8152 2-3:1.0: load rtl8153b-2 v1 10/23/19 successfully [ 6.696517] r8152 2-3:1.0 eth0: v1.11.11 [ 6.701314] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.720861] r8152 2-3:1.0 enx00e04c680498: renamed from eth0 [ 6.743117] udevadm (141) 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 ... Waiting up to 60 secs for any ethernet to become available Device /sys/class/net/enx00e04c680498 found 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: enx00e04c680498 hardware address 00:e0:4c:68:04:98 mtu 1500 DHCP 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: enx00e04c680498 hardware address 00:e0:4c:68:04:98 mtu 1500 DHCP [ 8.313230] IPv6: ADDRCONF(NETDEV_CHANGE): enx00e04c680498: link becomes ready [ 8.322134] r8152 2-3:1.0 enx00e04c680498: carrier on IP-Config: enx00e04c680498 complete (dhcp from 192.168.201.1): address: 192.168.201.15 broadcast: 192.168.201.255 netmask: 255.255.255.0 gateway: 192.168.201.1 dns0 : 192.168.201.1 dns1 : 0.0.0.0 host : asus-C433TA-AJ0005-rammus-cbg-4 domain : lava-rack rootserver: 192.168.201.1 rootpath: filename : [ 9.434185] nfsmount (166) used greatest stack depth: 12688 bytes left done. Begin: Running /scripts/nfs-bottom ... done. Begin: Running /scripts/init-bottom ... done. SELinux: Could not open policy file <= /etc/selinux/targeted/policy/policy.33: No such file or directory [ 10.649790] 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) [ 10.687681] systemd[1]: Detected architecture x86-64. Welcome to Debian GNU/Linux 11 (bullseye)! [ 10.723325] systemd[1]: Set hostname to . [ 11.380962] systemd[1]: Queued start job for default target Graphical Interface. [ 11.392714] systemd[1]: Created slice system-getty.slice. [ OK ] Created slice system-getty.slice. [ 11.409059] systemd[1]: Created slice system-modprobe.slice. [ OK ] Created slice system-modprobe.slice. [ 11.425053] systemd[1]: Created slice system-serial\x2dgetty.slice. [ OK ] Created slice system-serial\x2dgetty.slice. [ 11.441989] systemd[1]: Created slice User and Session Slice. [ OK ] Created slice User and Session Slice. [ 11.457927] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [ OK ] Started Dispatch Password …ts to Console Directory Watch. [ 11.476805] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [ OK ] Started Forward Password R…uests to Wall Directory Watch. [ 11.498630] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point. [ OK ] Set up automount Arbitrary…s File System Automount Point. [ 11.518746] systemd[1]: Reached target Local Encrypted Volumes. [ OK ] Reached target Local Encrypted Volumes. [ 11.534679] systemd[1]: Reached target Paths. [ OK ] Reached target Paths. [ 11.545623] systemd[1]: Reached target Remote File Systems. [ OK ] Reached target Remote File Systems. [ 11.561699] systemd[1]: Reached target Slices. [ OK ] Reached target Slices. [ 11.572606] systemd[1]: Reached target Swap. [ OK ] Reached target Swap. [ 11.583932] systemd[1]: Listening on initctl Compatibility Named Pipe. [ OK ] Listening on initctl Compatibility Named Pipe. [ 11.601861] systemd[1]: Listening on Journal Audit Socket. [ OK ] Listening on Journal Audit Socket. [ 11.618676] systemd[1]: Listening on Journal Socket (/dev/log). [ OK ] Listening on Journal Socket (/dev/log). [ 11.635158] systemd[1]: Listening on Journal Socket. [ OK ] Listening on Journal Socket. [ 11.650824] systemd[1]: Listening on Network Service Netlink Socket. [ OK ] Listening on Network Service Netlink Socket. [ 11.670378] systemd[1]: Listening on udev Control Socket. [ OK ] Listening on udev Control Socket. [ 11.686044] systemd[1]: Listening on udev Kernel Socket. [ OK ] Listening on udev Kernel Socket. [ 11.703320] systemd[1]: Mounting Huge Pages File System... Mounting Huge Pages File System... [ 11.717641] systemd[1]: Mounting POSIX Message Queue File System... Mounting POSIX Message Queue File System... [ 11.735562] systemd[1]: Mounting Kernel Debug File System... Mounting Kernel Debug File System... [ 11.753007] systemd[1]: Mounting Kernel Trace File System... Mounting Kernel Trace File System... [ 11.775294] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting Create list of st…odes for the current kernel... [ 11.795648] systemd[1]: Starting Load Kernel Module configfs... Starting Load Kernel Module configfs... [ 11.811018] systemd[1]: Starting Load Kernel Module drm... Starting Load Kernel Module drm... [ 11.825582] systemd[1]: Starting Load Kernel Module fuse... Starting Load Kernel Module fuse... [ 11.862794] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. [ 11.873232] fuse: init (API version 7.32) [ 11.879394] systemd[1]: Starting Journal Service... Starting Journal Service... [ 11.895010] systemd[1]: Starting Load Kernel Modules... Starting Load Kernel Modules... [ 11.908213] systemd[1]: Starting Remount Root and Kernel File Systems... Starting Remount Root and Kernel File Systems... [ 11.926523] systemd[1]: Starting Coldplug All udev Devices... Starting Coldplug All udev Devices... [ 11.944998] systemd[1]: Mounted Huge Pages File System. [ OK ] Mounted Huge Pages File System. [ 11.959805] systemd[1]: Mounted POSIX Message Queue File System. [ OK ] Mounted POSIX Message Queue File System. [ 11.976680] systemd[1]: Mounted Kernel Debug File System. [ OK ] Mounted Kernel Debug File System. [ 11.991696] systemd[1]: Mounted Kernel Trace File System. [ OK ] Mounted Kernel Trace File System. [ 12.007718] systemd[1]: Finished Create list of static device nodes for the current kernel. [ OK ] Finished Create list of st… nodes for the current kernel. [ 12.030408] systemd[1]: modprobe@configfs.service: Succeeded. [ 12.037712] systemd[1]: Finished Load Kernel Module configfs. [ OK ] Finished Load Kernel Module configfs. [ 12.054467] systemd[1]: modprobe@drm.service: Succeeded. [ 12.061245] systemd[1]: Finished Load Kernel Module drm. [ OK ] Finished Load Kernel Module drm. [ 12.077472] systemd[1]: modprobe@fuse.service: Succeeded. [ 12.084310] systemd[1]: Finished Load Kernel Module fuse. [ OK ] Finished Load Kernel Module fuse. [ 12.100353] systemd[1]: Finished Load Kernel Modules. [ OK ] Finished Load Kernel Modules. [ 12.113752] systemd[1]: Started Journal Service. [ OK ] Started Journal Service. [ OK ] Finished Remount Root and Kernel File Systems. Mounting FUSE Control File System... Mounting Kernel Configuration File System... Starting Flush Journal to Persistent Storage... Starting Load/Save Random Seed... Starting Apply Kernel Variables... Starting Create System Users... [ OK ] Mounted FUSE Control File System[0[ 12.211869] systemd-journald[202]: Received client request to flush runtime journal. m. [ OK ] Mounted Kernel Configuration File System. [ OK ] Finished Load/Save Random Seed. [ OK ] Finished Apply Kernel Variables. [ OK ] Finished Coldplug All udev Devices. [ OK ] Finished Create System Users. Starting Create Static Device Nodes in /dev... [ OK ] Finished Flush Journal to Persistent Storage. [ 13.773731] systemd-tmpfile (213) used greatest stack depth: 12528 bytes left [ OK ] Finished Create Static Device Nodes in /dev. [ OK ] Reached target Local File Systems (Pre). [ OK ] Reached target Local File Systems. Starting Create Volatile Files and Directories... Starting Rule-based Manage…for Device Events and Files... [ OK ] Started Rule-based Manager for Device Events and Files. Starting Network Service... [ OK ] Finished Create Volatile Files and Directories. Starting Network Time Synchronization... Starting Update UTMP about System Boot/Shutdown... [ OK ] Finished Update UTMP about System Boot/Shutdown. [ OK ] Found device Sunrise Point-LP Serial IO UART Controller. [ OK ] Created slice system-systemd\x2dbacklight.slice. Starting Load/Save Screen …f backlight:intel_backlight... [ OK ] Listening on Load/Save RF …itch Status /dev/rfkill Watch. [ OK ] Finished Load/Save Screen … of backlight:intel_backlight. [ OK ] Started Network Time Synchronization. [ OK ] Reached target System Initialization. [ OK ] Started Daily Cleanup of Temporary Directories. [ OK ] Reached target System Time Set. [ OK ] Reached target System Time Synchronized. [ OK ] Started Daily apt download activities. [ OK ] Started Daily apt upgrade and clean activities. [ OK ] Started Periodic ext4 Onli…ata Check for All Filesystems. [ OK ] Started Discard unused blocks once a week. [ OK ] Reached target Timers. [ OK ] Listening on D-Bus System Message Bus Socket. [ OK ] Reached target Sockets. [ OK ] Reached target Basic System. [ OK ] Started D-Bus System Message Bus. Starting Remove Stale Onli…t4 Metadata Check Snapshots... Starting User Login Management... [ OK ] Started Network Service. Starting Network Name Resolution... [ OK ] Finished Remove Stale Onli…ext4 Metadata Check Snapshots. [ OK ] Started User Login Management. [ OK ] Started Network Name Resolution. [ OK ] Reached target Network. [ OK ] Reached target Host and Network Name Lookups. Starting Permit User Sessions... [ OK ] Finished Permit User Sessions. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttyS0. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Finished Update UTMP about System Runlevel Changes. Debian GNU/Linux 11 debian-bullseye-amd64 ttyS0 debian-bullseye-amd64 login: root (automatic login) Linux debian-bullseye-amd64 5.10.167-cip25 #1 SMP Mon Feb 6 11:24:32 UTC 2023 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/9034191/extract-nfsrootfs-vxcopaqp' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/9034191/extract-nfsrootfs-vxcopaqp' / # 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-9034191/environment . /lava-9034191/environment / # /lava-9034191/bin/lava-test-runner /lava-9034191/0 /lava-9034191/bin/lava-test-runner /lava-9034191/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-9034191/0/tests/0_timesync-off ++ cat uuid + UUID=9034191_1.5.2.3.1 + set +x + systemctl stop systemd-timesyncd + set +x + export TESTRUN_ID=1_kselftest-lkdtm + TESTRUN_ID=1_kselftest-lkdtm + cd /lava-9034191/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=9034191_1.5.2.3.5 + set +x + cd ./automated/linux/kselftest/ + ./kselftest.sh -c lkdtm -T '' -t kselftest_armhf.tar.gz -s True -u http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.165-cip25-154-gb7e05ba4f61a2/x86_64/x86_64_defconfig+x86-chromebook+kselftest/gcc-10/kselftest.tar.xz -L '' -S skipfile-lkft.yaml -b asus-C433TA-AJ0005-rammus -g cip-gitlab -e '' -p /opt/kselftests/mainline/ -n 1 -i 1 INFO: Generating a skipfile based on /lava-9034191/0/tests/1_kselftest-lkdtm/automated/linux/kselftest/skipfile-lkft.yaml INFO: Using the following generated skipfile contents (until EOF): breakpoints:breakpoint_test breakpoints:step_after_suspend_test ftrace:ftracetest net:rtnetlink.sh net:tls netfilter:bridge_brouter.sh netfilter:nft_flowtable.sh netfilter:nft_trans_stress.sh pidfd:pidfd_wait INFO: EOF INFO: install_deps skipped --2023-02-06 11:37:27-- http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.165-cip25-154-gb7e05ba4f61a2/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: 3323068 (3.2M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 1%[ ] 46.39K 159KB/s kselftest.tar.xz 6%[> ] 216.08K 370KB/s kselftest.tar.xz 24%[===> ] 778.88K 811KB/s kselftest.tar.xz 46%[========> ] 1.46M 1.11MB/s kselftest.tar.xz 100%[===================>] 3.17M 2.15MB/s in 1.5s 2023-02-06 11:37:29 (2.15 MB/s) - 'kselftest.tar.xz' saved [3323068/3323068] 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 ======================================== lkdtm:PANIC.sh lkdtm:BUG.sh lkdtm:WARNING.sh lkdtm:WARNING_MESSAGE.sh lkdtm:EXCEPTION.sh lkdtm:LOOP.sh lkdtm:EXHAUST_STACK.sh lkdtm:CORRUPT_STACK.sh lkdtm:CORRUPT_STACK_STRONG.sh lkdtm:CORRUPT_LIST_ADD.sh lkdtm:CORRUPT_LIST_DEL.sh lkdtm:STACK_GUARD_PAGE_LEADING.sh lkdtm:STACK_GUARD_PAGE_TRAILING.sh lkdtm:UNSET_SMEP.sh lkdtm:DOUBLE_FAULT.sh lkdtm:CORRUPT_PAC.sh lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh lkdtm:OVERWRITE_ALLOCATION.sh lkdtm:WRITE_AFTER_FREE.sh lkdtm:READ_AFTER_FREE.sh lkdtm:WRITE_BUDDY_AFTER_FREE.sh lkdtm:READ_BUDDY_AFTER_FREE.sh lkdtm:SLAB_FREE_DOUBLE.sh lkdtm:SLAB_FREE_CROSS.sh lkdtm:SLAB_FREE_PAGE.sh lkdtm:SOFTLOCKUP.sh lkdtm:HARDLOCKUP.sh lkdtm:SPINLOCKUP.sh lkdtm:HUNG_TASK.sh lkdtm:EXEC_DATA.sh lkdtm:EXEC_STACK.sh lkdtm:EXEC_KMALLOC.sh lkdtm:EXEC_VMALLOC.sh lkdtm:EXEC_RODATA.sh lkdtm:EXEC_USERSPACE.sh lkdtm:EXEC_NULL.sh lkdtm:ACCESS_USERSPACE.sh lkdtm:ACCESS_NULL.sh lkdtm:WRITE_RO.sh lkdtm:WRITE_RO_AFTER_INIT.sh lkdtm:WRITE_KERN.sh lkdtm:REFCOUNT_INC_OVERFLOW.sh lkdtm:REFCOUNT_ADD_OVERFLOW.sh lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_DEC_ZERO.sh lkdtm:REFCOUNT_DEC_NEGATIVE.sh lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_INC_ZERO.sh lkdtm:REFCOUNT_ADD_ZERO.sh lkdtm:REFCOUNT_INC_SATURATED.sh lkdtm:REFCOUNT_DEC_SATURATED.sh lkdtm:REFCOUNT_ADD_SATURATED.sh lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_TIMING.sh lkdtm:ATOMIC_TIMING.sh lkdtm:USERCOPY_HEAP_SIZE_TO.sh lkdtm:USERCOPY_HEAP_SIZE_FROM.sh lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh lkdtm:USERCOPY_STACK_FRAME_TO.sh lkdtm:USERCOPY_STACK_FRAME_FROM.sh lkdtm:USERCOPY_STACK_BEYOND.sh lkdtm:USERCOPY_KERNEL.sh lkdtm:STACKLEAK_ERASING.sh lkdtm:CFI_FORWARD_PROTO.sh ============== Tests to run =============== lkdtm:PANIC.sh lkdtm:BUG.sh lkdtm:WARNING.sh lkdtm:WARNING_MESSAGE.sh lkdtm:EXCEPTION.sh lkdtm:LOOP.sh lkdtm:EXHAUST_STACK.sh lkdtm:CORRUPT_STACK.sh lkdtm:CORRUPT_STACK_STRONG.sh lkdtm:CORRUPT_LIST_ADD.sh lkdtm:CORRUPT_LIST_DEL.sh lkdtm:STACK_GUARD_PAGE_LEADING.sh lkdtm:STACK_GUARD_PAGE_TRAILING.sh lkdtm:UNSET_SMEP.sh lkdtm:DOUBLE_FAULT.sh lkdtm:CORRUPT_PAC.sh lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh lkdtm:OVERWRITE_ALLOCATION.sh lkdtm:WRITE_AFTER_FREE.sh lkdtm:READ_AFTER_FREE.sh lkdtm:WRITE_BUDDY_AFTER_FREE.sh lkdtm:READ_BUDDY_AFTER_FREE.sh lkdtm:SLAB_FREE_DOUBLE.sh lkdtm:SLAB_FREE_CROSS.sh lkdtm:SLAB_FREE_PAGE.sh lkdtm:SOFTLOCKUP.sh lkdtm:HARDLOCKUP.sh lkdtm:SPINLOCKUP.sh lkdtm:HUNG_TASK.sh lkdtm:EXEC_DATA.sh lkdtm:EXEC_STACK.sh lkdtm:EXEC_KMALLOC.sh lkdtm:EXEC_VMALLOC.sh lkdtm:EXEC_RODATA.sh lkdtm:EXEC_USERSPACE.sh lkdtm:EXEC_NULL.sh lkdtm:ACCESS_USERSPACE.sh lkdtm:ACCESS_NULL.sh lkdtm:WRITE_RO.sh lkdtm:WRITE_RO_AFTER_INIT.sh lkdtm:WRITE_KERN.sh lkdtm:REFCOUNT_INC_OVERFLOW.sh lkdtm:REFCOUNT_ADD_OVERFLOW.sh lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_DEC_ZERO.sh lkdtm:REFCOUNT_DEC_NEGATIVE.sh lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_INC_ZERO.sh lkdtm:REFCOUNT_ADD_ZERO.sh lkdtm:REFCOUNT_INC_SATURATED.sh lkdtm:REFCOUNT_DEC_SATURATED.sh lkdtm:REFCOUNT_ADD_SATURATED.sh lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_TIMING.sh lkdtm:ATOMIC_TIMING.sh lkdtm:USERCOPY_HEAP_SIZE_TO.sh lkdtm:USERCOPY_HEAP_SIZE_FROM.sh lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh lkdtm:USERCOPY_STACK_FRAME_TO.sh lkdtm:USERCOPY_STACK_FRAME_FROM.sh lkdtm:USERCOPY_STACK_BEYOND.sh lkdtm:USERCOPY_KERNEL.sh lkdtm:S[ 31.143392] kselftest: Running tests in lkdtm TACKLEAK_ERASING.sh lkdtm:CFI_FORWARD_PROTO.sh ===========End Tests to run =============== 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 [ 31.302068] lkdtm: Performing direct entry BUG [ 31.307129] ------------[ cut here ]------------ [ 31.312317] kernel BUG at drivers/misc/lkdtm/bugs.c:76! [ 31.318238] invalid opcode: 0000 [#1] SMP PTI [ 31.323110] CPU: 0 PID: 649 Comm: cat Tainted: G W 5.10.167-cip25 #1 [ 31.331664] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 31.338474] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 31.342857] Code: 89 ff e8 ce 62 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 40 5d 92 02 [ 31.363845] RSP: 0018:ffffb05a81437e60 EFLAGS: 00010282 [ 31.369672] RAX: ffffffffbc6e4910 RBX: 0000000000000001 RCX: 0000000000000000 [ 31.377637] RDX: 0000000000000000 RSI: ffff91df3ac1bf70 RDI: ffffffffbd4d1110 [ 31.385609] RBP: ffffffffbd90f8a0 R08: 0000000000000001 R09: 0000000000000001 [ 31.393580] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 31.401552] R13: ffffb05a81437f10 R14: ffffb05a81437f10 R15: ffff91dec4063000 [ 31.409524] FS: 00007fb8c92df580(0000) GS:ffff91df3ac00000(0000) knlGS:0000000000000000 [ 31.418556] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 31.424974] CR2: 00007fb8c90e8000 CR3: 00000001031e0005 CR4: 00000000003706f0 [ 31.432946] Call Trace: [ 31.435676] direct_entry.cold+0x2c/0x38 [ 31.440054] full_proxy_write+0x53/0x80 [ 31.444342] vfs_write+0xe7/0x3a0 [ 31.448047] ksys_write+0x68/0xf0 [ 31.451747] do_syscall_64+0x30/0x40 [ 31.455744] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 31.461386] RIP: 0033:0x7fb8c91f5833 [ 31.465376] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 31.486363] RSP: 002b:00007ffde02fde08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 31.494820] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fb8c91f5833 [ 31.502791] RDX: 0000000000000004 RSI: 00007fb8c90e8000 RDI: 0000000000000001 [ 31.510763] RBP: 00007fb8c90e8000 R08: 00007fb8c90e7010 R09: 0000000000000000 [ 31.518726] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 31.526690] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 31.534656] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 31.561196] ---[ end trace 7a8cb61385a8de8b ]--- [ 31.566402] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 31.570865] Code: 89 ff e8 ce 62 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 40 5d 92 02 [ 31.591915] RSP: 0018:ffffb05a81437e60 EFLAGS: 00010282 [ 31.597835] RAX: ffffffffbc6e4910 RBX: 0000000000000001 RCX: 0000000000000000 [ 31.605869] RDX: 0000000000000000 RSI: ffff91df3ac1bf70 RDI: ffffffffbd4d1110 [ 31.613889] RBP: ffffffffbd90f8a0 R08: 0000000000000001 R09: 0000000000000001 [ 31.621895] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 31.629904] R13: ffffb05a81437f10 R14: ffffb05a81437f10 R15: ffff91dec4063000 [ 31.637906] FS: 00007fb8c92df580(0000) GS:ffff91df3ac00000(0000) knlGS:0000000000000000 [ 31.646987] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 31.653434] CR2: 00007fb8c90e8000 CR3: 00000001031e0005 CR4: 00000000003706f0 # Segmentation fault # [ 31.302068] lkdtm: Performing direct entry BUG # [ 31.307129] ------------[ cut here ]------------ # [ 31.312317] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 31.318238] invalid opcode: 0000 [#1] SMP PTI # [ 31.323110] CPU: 0 PID: 649 Comm: cat Tainted: G W 5.10.167-cip25 #1 # [ 31.331664] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 31.338474] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 31.342857] Code: 89 ff e8 ce 62 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 40[ 31.760909] lkdtm: Performing direct entry WARNING 5d 92 02 # [ 31.363845] RSP: 0018:ffffb05a81437e60 EFLAGS: 0[ 31.768873] ------------[ cut here ]------------ 0010282 # [ 31.369672] RAX: ffffffffbc6e4910 RBX: 00000000000[ 31.780263] WARNING: CPU: 1 PID: 685 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 00001 RCX: 0000000000000000 # [ 31.377637] RDX: 0000000000000[ 31.795881] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 000 RSI: ffff91df3ac1bf70 RDI: ffffffffbd4d1110 # [ 31.385609[ 31.828533] CPU: 1 PID: 685 Comm: cat Tainted: G D W 5.10.167-cip25 #1 [ 31.843305] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 ] RBP: ffffffffbd90f8a0 R08: 0000000000000001 R09: 0000000000000[ 31.850118] RIP: 0010:lkdtm_WARNING+0x13/0x20 001 # [ 31.393580] R10: 00000000ffffe000 R11: 3ffffffffffffff[ 31.861195] 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 40 5d 92 02 01 75 05 c3 cc cc cc cc <0f> 0b c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 21 5d f R12: 0000000000000004 # [ 31.401552] R13: ffffb05a81437f10 [ 31.888428] RSP: 0018:ffffb05a8146fe60 EFLAGS: 00010202 [ 31.900483] RAX: ffffffffbc6e4920 RBX: 0000000000000002 RCX: 0000000000000000 R14: ffffb05a81437f10 R15: ffff91dec4063000 # [ 31.409524] FS[ 31.908459] RDX: 0000000000000000 RSI: ffff91df3ac9bf70 RDI: ffffffffbd4d1120 [ 31.922644] RBP: ffffffffbd8b40ef R08: 0000000000000000 R09: 0000000000000000 : 00007fb8c92df580(0000) GS:ffff91df3ac00000(0000) knlGS:000000[ 31.930620] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 [ 31.944807] R13: ffffb05a8146ff10 R14: ffffb05a8146ff10 R15: ffff91dec3bf8000 0000000000 # [ 31.418556] CS: 0010 DS: 0000 ES: 0000 CR0: 00[ 31.952783] FS: 00007f52d477d580(0000) GS:ffff91df3ac80000(0000) knlGS:0000000000000000 00000080050033 # [ 31.424974] CR2: 00007fb8c90e8000 CR3: 0000[ 31.968041] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 0001031e0005 CR4: 00000000003706f0 # [ 31.432946] Call Trace:[ 31.980675] CR2: 00007f52d4586000 CR3: 0000000103bfe003 CR4: 00000000003706e0 [ 31.994867] Call Trace: # [ 31.435676] direct_entry.cold+0x2c/0x38 # [ 31.440054[ 31.997620] direct_entry.cold+0x2c/0x38 ] full_proxy_write+0x53/0x80 # [ 31.444342] vfs_write+0xe7/[ 32.008194] full_proxy_write+0x53/0x80 0x3a0 # [ 31.448047] ksys_write+0x68/0xf0 # [ 31.451747] [ 32.018724] vfs_write+0xe7/0x3a0 do_syscall_64+0x30/0x40 # [ 31.455744] entry_SYSCALL_64_aft[ 32.028633] ksys_write+0x68/0xf0 er_hwframe+0x61/0xc6 # [ 31.461386] RIP: 0033:0x7fb8c91f5833 [ 32.038534] do_syscall_64+0x30/0x40 # [ 31.465376] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c[ 32.048743] entry_SYSCALL_64_after_hwframe+0x61/0xc6 0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14[ 32.060605] RIP: 0033:0x7f52d4693833 [ 32.070816] Code: 8b 15 61 26 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 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 4[ 32.091810] RSP: 002b:00007ffc179685f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 32.106479] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f52d4693833 8 83 ec 28 48 89 54 24 18 # [ 31.486363] RSP: 002b:00007ffde0[ 32.114455] RDX: 0000000000000008 RSI: 00007f52d4586000 RDI: 0000000000000001 [ 32.128639] RBP: 00007f52d4586000 R08: 00007f52d4585010 R09: 0000000000000000 2fde08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 31.494[ 32.136617] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 32.150802] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 820] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fb8c9[ 32.158800] irq event stamp: 0 [ 32.168412] hardirqs last enabled at (0): [<0000000000000000>] 0x0 1f5833 # [ 31.502791] RDX: 0000000000000004 RSI: 00007fb8c90e[ 32.175449] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 32.190801] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 8000 RDI: 0000000000000001 # [ 31.510763] RBP: 00007fb8c90e80[ 32.199943] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 32.213156] ---[ end trace 7a8cb61385a8de8c ]--- 00 R08: 00007fb8c90e7010 R09: 0000000000000000 # [ 31.518726] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 31.526690] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 31.534656] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 31.561196] ---[ end trace 7a8cb61385a8de8b ]--- # [ 31.566402] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 31.570865] Code: 89 ff e8 ce 62 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 0[ 32.289588] lkdtm: Performing direct entry WARNING_MESSAGE 0 00 00 0f 1f 44 00 00 83 05 40 5d 92 02 # [ 31.591915] RSP: [ 32.299021] ------------[ cut here ]------------ 0018:ffffb05a81437e60 EFLAGS: 00010282 # [ 31.597835] RAX: ff[ 32.310398] Warning message trigger count: 2 ffffffbc6e4910 RBX: 0000000000000001 RCX: 0000000000000000 # [ [ 32.321415] WARNING: CPU: 1 PID: 720 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 31.605869] RDX: 0000000000000000 RSI: ffff91df3ac1bf70 RDI: ff[ 32.337822] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify ffffffbd4d1110 # [ 31.613889] RBP: ffffffffbd90f8a0 R08: 0000[ 32.370470] CPU: 1 PID: 720 Comm: cat Tainted: G D W 5.10.167-cip25 #1 000000000001 R09: 0000000000000001 # [ 31.621895] R10: 000000[ 32.385247] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 00ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 31[ 32.398287] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 .629904] R13: ffffb05a81437f10 R14: ffffb05a81437f10 R15: ffff91[ 32.410128] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 21 5d 92 02 48 c7 c7 50 46 8b bd 8d 70 01 89 35 11 5d 92 02 e8 e2 4e 63 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 dec4063000 # [ 31.637906] FS: 00007fb8c92df580(0000) GS:ffff[ 32.437333] RSP: 0018:ffffb05a8153fe60 EFLAGS: 00010286 [ 32.449388] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 91df3ac00000(0000) knlGS:0000000000000000 # [ 31.646987] CS: [ 32.457377] RDX: ffff91df3acac660 RSI: ffff91df3ac9bf70 RDI: ffff91df3ac9bf70 [ 32.471563] RBP: ffffffffbd8b40f7 R08: 0000000000000000 R09: 0000000000000000 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 31.653434] [ 32.479538] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 [ 32.493724] R13: ffffb05a8153ff10 R14: ffffb05a8153ff10 R15: ffff91dec3d13000 CR2: 00007fb8c90e8000 CR3: 00000001031e0005 CR4: 00000000003706f[ 32.501700] FS: 00007ff69e562580(0000) GS:ffff91df3ac80000(0000) knlGS:0000000000000000 [ 32.516954] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 0 # BUG: saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh[ 32.523376] CR2: 00007ff69e36b000 CR3: 000000010326a001 CR4: 00000000003706e0 [ 32.537560] Call Trace: # selftests: lkdtm: WARNING.sh # [ 31.760909] lkdtm: Perfor[ 32.540296] direct_entry.cold+0x2c/0x38 ming direct entry WARNING # [ 31.768873] ------------[ cut he[ 32.550887] full_proxy_write+0x53/0x80 re ]------------ # [ 31.780263] WARNING: CPU: 1 PID: 685 at d[ 32.561385] vfs_write+0xe7/0x3a0 rivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 # [ 31.79[ 32.571300] ksys_write+0x68/0xf0 5881] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_[ 32.581216] do_syscall_64+0x30/0x40 sensors_core industrialio_triggered_buffer kfifo_buf industriali[ 32.591429] entry_SYSCALL_64_after_hwframe+0x61/0xc6 o cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs cros_ec_lightb[ 32.603285] RIP: 0033:0x7ff69e478833 ar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_n[ 32.613495] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 32.640699] RSP: 002b:00007ffe8dc025a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 otify # [ 31.828533] CPU: 1 PID: 685 Comm: cat Tainted: G [ 32.649162] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007ff69e478833 D W 5.10.167-cip25 #1 # [ 31.843305] Hardware name:[ 32.663372] RDX: 0000000000000010 RSI: 00007ff69e36b000 RDI: 0000000000000001 [ 32.677552] RBP: 00007ff69e36b000 R08: 00007ff69e36a010 R09: 0000000000000000 Google Rammus/Rammus, BIOS 09/04/2020 # [ 31.850118] RIP: 0[ 32.685528] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 32.699712] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 010:lkdtm_WARNING+0x13/0x20 # [ 31.861195] Code: c0 f4 ff ff [ 32.707709] irq event stamp: 0 [ 32.717306] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ff eb c9 0f 1f 44 00 00 0f 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 4[ 32.724313] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 32.739663] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 4 00 00 83 05 40 5d 92 02 01 75 05 c3 cc cc cc cc <0f> 0b c3 cc [ 32.748830] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 32.762044] ---[ end trace 7a8cb61385a8de8d ]--- cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 21 5d # [ 31.888428] RSP: 0018:ffffb05a8146fe60 EFLAGS: 00010202 # [ 31.900483] RAX: ffffffffbc6e4920 RBX: 0000000000000002 RCX: 0000000000000000 # [ 31.908459] RDX: 0000000000000000 RSI: ffff91df3ac9bf70 RDI: ffffffffbd4d1120 # [ 31.922644] RBP: ffffffffbd8b40ef R08: 0000000000000000 R09: 0000000000000000 # [ 31.930620] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 # [ 31.944807] R13: ffffb05a8146ff10 R14: ffffb05a8146ff10 R15: ffff91dec3bf8000 # [ 31.952783] FS: 00007f52d477d580(0000) GS:ffff91df3ac80000(0000) knlGS:0000000000000000 # [ 31.968041] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 31.980675] CR2: 00007f52d4586000 CR3: 0000000103bfe003 CR4: 00[ 32.835679] lkdtm: Performing direct entry EXCEPTION [ 32.847336] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 32.855120] #PF: supervisor write access in kernel mode [ 32.860954] #PF: error_code(0x0002) - not-present page [ 32.866690] PGD 0 P4D 0 [ 32.869515] Oops: 0002 [#2] SMP PTI [ 32.873399] CPU: 3 PID: 752 Comm: cat Tainted: G D W 5.10.167-cip25 #1 [ 32.881973] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 32.888781] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 [ 32.893741] Code: 48 c7 c7 50 46 8b bd 8d 70 01 89 35 11 5d 92 02 e8 e2 4e 63 00 0f 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 04 25 00 00 00 00 00 00 00 00 c3 cc cc cc cc 66 66 2e 0f 1f 84 [ 32.914727] RSP: 0018:ffffb05a815bfe60 EFLAGS: 00010282 [ 32.920549] RAX: ffffffffbc6e4970 RBX: 0000000000000004 RCX: 0000000000000000 [ 32.928520] RDX: 0000000000000000 RSI: ffff91df3ad9bf70 RDI: ffffffffbd4d1140 [ 32.936490] RBP: ffffffffbd7e8e9f R08: 0000000000000000 R09: 0000000000000000 [ 32.944461] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 32.952454] R13: ffffb05a815bff10 R14: ffffb05a815bff10 R15: ffff91dec15f6000 [ 32.960442] FS: 00007fb212a43580(0000) GS:ffff91df3ad80000(0000) knlGS:0000000000000000 [ 32.969480] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 32.975898] CR2: 0000000000000000 CR3: 00000001032a8002 CR4: 00000000003706e0 [ 32.983868] Call Trace: [ 32.986597] direct_entry.cold+0x2c/0x38 [ 32.990977] full_proxy_write+0x53/0x80 [ 32.995259] vfs_write+0xe7/0x3a0 [ 32.998956] ksys_write+0x68/0xf0 [ 33.002654] do_syscall_64+0x30/0x40 [ 33.006644] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 33.012276] RIP: 0033:0x7fb212959833 [ 33.016265] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 33.037249] RSP: 002b:00007fffaaa042f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 33.045698] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fb212959833 [ 33.053668] RDX: 000000000000000a RSI: 00007fb21284c000 RDI: 0000000000000001 [ 33.061638] RBP: 00007fb21284c000 R08: 00007fb21284b010 R09: 0000000000000000 [ 33.069609] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 33.077578] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 33.085553] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 000000003706e0 # [ 31.994867] Call Trace: # [ 31.997620] [ 33.112010] CR2: 0000000000000000 [ 33.121921] ---[ end trace 7a8cb61385a8de8e ]--- [ 33.127076] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 33.131454] Code: 89 ff e8 ce 62 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 40 5d 92 02 [ 33.152440] RSP: 0018:ffffb05a81437e60 EFLAGS: 00010282 [ 33.158274] RAX: ffffffffbc6e4910 RBX: 0000000000000001 RCX: 0000000000000000 [ 33.166243] RDX: 0000000000000000 RSI: ffff91df3ac1bf70 RDI: ffffffffbd4d1110 [ 33.174212] RBP: ffffffffbd90f8a0 R08: 0000000000000001 R09: 0000000000000001 [ 33.182183] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 33.190153] R13: ffffb05a81437f10 R14: ffffb05a81437f10 R15: ffff91dec4063000 [ 33.198123] FS: 00007fb212a43580(0000) GS:ffff91df3ad80000(0000) knlGS:0000000000000000 [ 33.207163] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 33.213581] CR2: 0000000000000000 CR3: 00000001032a8002 CR4: 00000000003706e0 [ 33.221551] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 33.231464] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 752, name: cat [ 33.239824] INFO: lockdep is turned off. [ 33.244199] irq event stamp: 0 [ 33.247605] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 33.254597] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 33.263733] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 33.272869] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 33.279868] CPU: 3 PID: 752 Comm: cat Tainted: G D W 5.10.167-cip25 #1 [ 33.288437] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 33.295243] Call Trace: [ 33.297972] dump_stack+0x77/0x9b [ 33.301672] ___might_sleep.cold+0xa6/0xb6 [ 33.306245] exit_signals+0x1c/0x2e0 [ 33.310234] do_exit+0xc2/0xaf0 [ 33.313739] ? ksys_write+0x68/0xf0 [ 33.317632] make_task_dead+0x2f/0x30 [ 33.321719] rewind_stack_and_make_dead+0x17/0x20 [ 33.326970] RIP: 0033:0x7fb212959833 [ 33.330957] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 33.351944] RSP: 002b:00007fffaaa042f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 33.360399] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fb212959833 [ 33.368376] RDX: 000000000000000a RSI: 00007fb21284c000 RDI: 0000000000000001 [ 33.376347] RBP: 00007fb21284c000 R08: 00007fb21284b010 R09: 0000000000000000 [ 33.384340] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 33.392310] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 direct_entry.cold+0x2c/0x38 # [ 32.008194] full_proxy_write+0x53/0x80 # [ 32.018724] vfs_write+0xe7/0x3a0 # [ 32.028633] ksys_write+0x68/0xf0 # [ 32.038534] do_syscall_64+0x30/0x40 # [ 32.048743] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 32.060605] RIP: 0033:0x7f52d4693833 # [ 32.070816] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 32.091810] RSP: 002b:00007ffc179685f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 32.106479] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f52d4693833 # [ 32.114455] RDX: 0000000000000008 RSI: 00007f52d4586000 RDI: 0000000000000001 # [ 32.128639] RBP: 00007f52d4586000 R08: 00007f52d4585010 R09: 0000000000000000 # [ 32.136617] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 32.150802] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 32.158800] irq event stamp: 0 # [ 32.168412] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 32.175449] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 32.190801] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 32.199943] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 32.213156] ---[ end trace 7a8cb61385a8de8c ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ 32.289588] lkdtm: Performing direct entry WARNING_MESSAGE # [ 32.299021] ------------[ cut here ]------------ # [ 32.310398] Warning message trigger count: 2 # [ 32.321415] WARNING: CPU: 1 PID: 720 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 32.337822] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 32.370470] CPU: 1 PID: 720 Comm: cat Tainted: G D W 5.10.167-cip25 #1 # [ 32.385247] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 32.398287] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 32.410128] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 21 5d 92 02 48 c7 c7 50 46 8b bd 8d 70 01 89 35 11 5d 92 02 e8 e2 4e 63 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 # [ 32.437333] RSP: 0018:ffffb05a8153fe60 EFLAGS: 00010286 # [ 32.449388] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 # [ 32.457377] RDX: ffff91df3acac660 RSI: ffff91df3ac9bf70 RDI: ffff91df3ac9bf70 # [ 32.471563] RBP: ffffffffbd8b40f7 R08: 0000000000000000 R09: 0000000000000000 # [ 32.479538] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000[ 33.682205] lkdtm: Performing direct entry CORRUPT_LIST_ADD [ 33.692437] lkdtm: attempting good list addition [ 33.697602] lkdtm: attempting corrupted list addition [ 33.703251] lkdtm: list_add() corruption not detected! 0000000010 # [ 32.493724] R13: ffffb05a8153ff10 R14: ffffb05a8153ff10 R15: ffff91dec3d13000 # [ 32.501700] FS: 00007ff69e562580(0000) GS:ffff91df3ac80000(0000) knlGS:0000000000000000 # [ 32.516954] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 32.523376] CR2: 00007ff69e36b000 CR3: 000000010326a001 CR4: 00000000003706e0 # [ 32.537560] Call Trace: # [ 32.540296] direct_entry.cold+0x2c/0x38 # [ 32.550887] full_proxy_write+0x53/0x80 # [ 32.561385] vfs_write+0xe7/0x3a0 # [ 32.571300] ksys_write+0x68/0xf0 # [ 32.581216] do_syscall_64+0x30/0x40 # [ 32.591429] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 32.603285] RIP: 0033:0x7ff69e478833 # [ 32.613495] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff[ 33.781531] lkdtm: Performing direct entry CORRUPT_LIST_DEL eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 [ 33.789837] lkdtm: attempting good list removal 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48[ 33.801114] lkdtm: attempting corrupted list removal 89 54 24 18 # [ 32.640699] RSP: 002b:00007ffe8dc025a8 EFLAGS[ 33.812878] lkdtm: list_del() corruption not detected! : 00000246 ORIG_RAX: 0000000000000001 # [ 32.649162] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007ff69e478833 # [ 32.663372] RDX: 0000000000000010 RSI: 00007ff69e36b000 RDI: 0000000000000001 # [ 32.677552] RBP: 00007ff69e36b000 R08: 00007ff69e36a010 R09: 0000000000000000 # [ 32.685528] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 32.699712] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 32.707709] irq event stamp: 0 # [ 32.717306] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 32.724313] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 32.739663] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ [ 33.893530] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING 32.748830] softirqs last disabled at (0): [<0000000000000000>] 0[ 33.906446] lkdtm: attempting bad read from page below current stack x0 # [ 32.762044] ---[ end trace 7a8cb61385a8de8d ]--- # WAR[ 33.919769] BUG: stack guard page was hit at 000000002e8511a5 (stack is 0000000084e3f1fd..00000000b905930d) [ 33.936849] kernel stack overflow (page fault): 0000 [#3] SMP PTI NING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: [ 33.943656] CPU: 1 PID: 977 Comm: cat Tainted: G D W 5.10.167-cip25 #1 [ 33.958425] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 33.965233] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a WARNING_MESSAGE.sh # selftests: lkdtm: EXCEPTION.sh # Killed [ 33.971749] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 f0 49 8b bd 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 04 9d fd ff 48 c7 c7 30 4a 8b bd <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 ea 9c fd ff 0f 1f 44 [ 33.998946] RSP: 0018:ffffb05a81907e50 EFLAGS: 00010246 [ 34.004780] RAX: 0000000000000038 RBX: ffffb05a81904000 RCX: 0000000000000000 [ 34.012743] RDX: 0000000000000000 RSI: ffff91df3ac9bf70 RDI: ffffffffbd8b4a30 [ 34.020712] RBP: ffffffffbd8b415a R08: 0000000000000000 R09: 0000000000000000 [ 34.028682] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 [ 34.036652] R13: ffffb05a81907f10 R14: ffffb05a81907f10 R15: ffff91dec4085000 [ 34.044623] FS: 00007f0da79d5580(0000) GS:ffff91df3ac80000(0000) knlGS:0000000000000000 [ 34.053652] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 34.060067] CR2: ffffb05a81903fff CR3: 0000000103218001 CR4: 00000000003706e0 [ 34.068035] Call Trace: [ 34.070763] ? lkdtm_CORRUPT_LIST_DEL+0xe0/0xe0 # [ 32.835679] lkdtm: Performing direct entry EXCEPTION # [ [ 34.075821] direct_entry.cold+0x2c/0x38 [ 34.086429] full_proxy_write+0x53/0x80 32.847336] BUG: kernel NULL pointer dereference, address: 00000[ 34.090711] vfs_write+0xe7/0x3a0 [ 34.100620] ksys_write+0x68/0xf0 [ 34.104320] do_syscall_64+0x30/0x40 00000000000 # [ 32.855120] #PF: supervisor write access in ke[ 34.108311] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 34.120163] RIP: 0033:0x7f0da78eb833 [ 34.124153] Code: 8b 15 61 26 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 [ 34.145132] RSP: 002b:00007ffec5a05338 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 34.153589] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f0da78eb833 [ 34.161560] RDX: 0000000000000019 RSI: 00007f0da77de000 RDI: 0000000000000001 [ 34.169529] RBP: 00007f0da77de000 R08: 00007f0da77dd010 R09: 0000000000000000 [ 34.177498] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 34.185469] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 rnel mode # [ 32.860954] #PF: error_code(0x0002) - not-presen[ 34.193445] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 34.226088] ---[ end trace 7a8cb61385a8de8f ]--- [ 34.231241] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 34.235620] Code: 89 ff e8 ce 62 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 40 5d 92 02 [ 34.256597] RSP: 0018:ffffb05a81437e60 EFLAGS: 00010282 [ 34.262432] RAX: ffffffffbc6e4910 RBX: 0000000000000001 RCX: 0000000000000000 [ 34.270421] RDX: 0000000000000000 RSI: ffff91df3ac1bf70 RDI: ffffffffbd4d1110 [ 34.278391] RBP: ffffffffbd90f8a0 R08: 0000000000000001 R09: 0000000000000001 [ 34.286373] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 34.294334] R13: ffffb05a81437f10 R14: ffffb05a81437f10 R15: ffff91dec4063000 [ 34.302303] FS: 00007f0da79d5580(0000) GS:ffff91df3ac80000(0000) knlGS:0000000000000000 [ 34.311341] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 34.317758] CR2: ffffb05a81903fff CR3: 0000000103218001 CR4: 00000000003706e0 [ 34.325728] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 34.335642] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 977, name: cat [ 34.343991] INFO: lockdep is turned off. [ 34.348370] irq event stamp: 0 [ 34.351776] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 34.358776] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 34.367902] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 34.377036] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 34.384036] CPU: 1 PID: 977 Comm: cat Tainted: G D W 5.10.167-cip25 #1 [ 34.392588] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 34.399395] Call Trace: [ 34.402122] dump_stack+0x77/0x9b t page # [ 32.866690] PGD 0 P4D 0 # [ 32.869515] Oops: 00[ 34.405823] ___might_sleep.cold+0xa6/0xb6 [ 34.416607] exit_signals+0x1c/0x2e0 [ 34.420589] do_exit+0xc2/0xaf0 [ 34.424094] ? ksys_write+0x68/0xf0 [ 34.427988] make_task_dead+0x2f/0x30 [ 34.432075] rewind_stack_and_make_dead+0x17/0x20 [ 34.437318] RIP: 0033:0x7f0da78eb833 [ 34.441298] Code: 8b 15 61 26 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 [ 34.462273] RSP: 002b:00007ffec5a05338 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 34.470730] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f0da78eb833 [ 34.478700] RDX: 0000000000000019 RSI: 00007f0da77de000 RDI: 0000000000000001 [ 34.486670] RBP: 00007f0da77de000 R08: 00007f0da77dd010 R09: 0000000000000000 [ 34.494641] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 34.502612] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 02 [#2] SMP PTI # [ 32.873399] CPU: 3 PID: 752 Comm: cat Tainted: G D W 5.10.167-cip25 #1 # [ 32.881973] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 32.888781] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 # [ 32.893741] Code: 48 c7 c7 50 46 8b bd 8d 70 01 89 35 11 5d 92 02 e8 e2 4e 63 00 0f 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 04 25 00 00 00 00 00 00 00 00 c3 cc cc cc cc 66 66 2e 0f 1f 84 # [ 32.914727] RSP: 0018:ffffb05a815bfe60 EFLAGS: 00010282 # [ 32.920549] RAX: ffffffffbc6e4970 RBX: 0000000000000004 RCX: 0000000000000000 # [ 32.928520] RDX: 0000000000000000 RSI: ffff91df3ad9bf70 RDI: ffffffffbd4d1140 # [ 32.936490] RBP: ffffffffbd7e8e9f R08: 0000000000000000 R09: 0000000000000000 # [ 32.944461] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 32.952454] R13: ffffb05a815bff10 R14: ffffb05a815bff10 R15: ffff91dec15f6000 # [ 32.960442] FS: 00007fb212a43580(0000) GS:ffff91df3ad80000(0000) knlGS:0000000000000000 # [ 32.969480] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 32.975898] CR2: 0000000000000000 CR3: 00000001032a8002 CR4: 00000000003706e0 # [ 32.983868] Call Trace: # [ 32.986597] direct_entry.cold+0x2c/0x38 # [ 32.990977] full_proxy_write+0x53/0x80 # [ 32.995259] vfs_write+0xe7/0x3a0 # [ 32.998956] ksys_write+0x68/0xf0 # [ 33.002654] do_syscall_64+0x30/0x40 # [ 33.006644] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 33.012276] RIP: 0033:0x7fb212959833 # [ 33[ 34.658939] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING .016265] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff f[ 34.666847] lkdtm: attempting bad read from page above current stack f ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00[ 34.680169] BUG: stack guard page was hit at 00000000971546ed (stack is 0000000065923b21..0000000076895281) [ 34.697263] kernel stack overflow (page fault): 0000 [#4] SMP PTI [ 34.704073] CPU: 1 PID: 1010 Comm: cat Tainted: G D W 5.10.167-cip25 #1 [ 34.712722] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 34.719529] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 2[ 34.726143] Code: 9c fd ff 0f 1f 44 00 00 53 48 c7 c7 68 4a 8b bd 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 ca 9c fd ff 48 c7 c7 a8 4a 8b bd <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 ad 9c fd ff [ 34.753362] RSP: 0018:ffffb05a8195fe50 EFLAGS: 00010246 8 48 89 54 24 18 # [ 33.037249] RSP: 002b:00007fffaaa042f8 EF[ 34.759194] RAX: 0000000000000038 RBX: ffffb05a8195c000 RCX: 0000000000000000 [ 34.773381] RDX: 0000000000000000 RSI: ffff91df3ac9bf70 RDI: ffffffffbd8b4aa8 [ 34.781370] RBP: ffffffffbd8b4173 R08: 0000000000000000 R09: 0000000000000000 [ 34.789340] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a [ 34.797311] R13: ffffb05a8195ff10 R14: ffffb05a8195ff10 R15: ffff91dec3275000 [ 34.805281] FS: 00007fc573e8e580(0000) GS:ffff91df3ac80000(0000) knlGS:0000000000000000 [ 34.814318] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 34.820734] CR2: ffffb05a81960000 CR3: 0000000103276006 CR4: 00000000003706e0 [ 34.828704] Call Trace: [ 34.831432] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a LAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 33.045698] RAX:[ 34.837270] direct_entry.cold+0x2c/0x38 [ 34.847859] full_proxy_write+0x53/0x80 ffffffffffffffda RBX: 000000000000000a RCX: 00007fb212959833 #[ 34.852141] vfs_write+0xe7/0x3a0 [ 34.862051] ksys_write+0x68/0xf0 [ 34.865749] do_syscall_64+0x30/0x40 [ 34.869738] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 34.875374] RIP: 0033:0x7fc573da4833 [ 34.879373] Code: 8b 15 61 26 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 [ 34.900371] RSP: 002b:00007fff1b76a018 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 34.908827] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007fc573da4833 [ 34.916799] RDX: 000000000000001a RSI: 00007fc573c97000 RDI: 0000000000000001 [ 34.924759] RBP: 00007fc573c97000 R08: 00007fc573c96010 R09: 0000000000000000 [ 34.932728] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 34.940698] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 33.053668] RDX: 000000000000000a RSI: 00007fb21284c000 RDI:[ 34.948672] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 34.981312] ---[ end trace 7a8cb61385a8de90 ]--- [ 34.986469] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 34.990848] Code: 89 ff e8 ce 62 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 40 5d 92 02 [ 35.011822] RSP: 0018:ffffb05a81437e60 EFLAGS: 00010282 [ 35.017656] RAX: ffffffffbc6e4910 RBX: 0000000000000001 RCX: 0000000000000000 [ 35.025625] RDX: 0000000000000000 RSI: ffff91df3ac1bf70 RDI: ffffffffbd4d1110 [ 35.033597] RBP: ffffffffbd90f8a0 R08: 0000000000000001 R09: 0000000000000001 [ 35.041567] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 35.049536] R13: ffffb05a81437f10 R14: ffffb05a81437f10 R15: ffff91dec4063000 [ 35.057505] FS: 00007fc573e8e580(0000) GS:ffff91df3ac80000(0000) knlGS:0000000000000000 [ 35.066544] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 35.072959] CR2: ffffb05a81960000 CR3: 0000000103276006 CR4: 00000000003706e0 0000000000000001 # [ 33.061638] RBP: 00007fb21284c000 R08: 00007fb21284b010 R09: 0000000000000000 # [ 33.069609] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 33.077578] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 33.085553] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 33.112010] CR2: 0000000000000000 # [ 33.121921] ---[ end trace 7a8cb61385a8de8e ]--- # [ 33.127076] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 33.131454] Code: 89 ff e8 ce 62 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 40 5d 92 02 # [ 33.152440] RSP: 0018:ffffb05a81437e60 EFLAGS: 00010282 # [ 33.158274] RAX: ffffffffbc6e4910 RBX: 0000000000000001 RCX: 0000000000000000 # [ 33.166243] RDX: 0000000000000000 RSI: ffff91df3ac1bf70 RDI: ffffffffbd4d1110 # [ 33.174212] [ 35.189381] lkdtm: Performing direct entry UNSET_SMEP [ 35.198451] lkdtm: trying to clear SMEP normally [ 35.203619] ------------[ cut here ]------------ [ 35.208810] pinned CR4 bits changed: 0x100000!? [ 35.213876] WARNING: CPU: 3 PID: 1046 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60 RBP: ffffffffbd90f8a0 R08: 0000000000000001 R09: 000000000000000[ 35.224111] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 1 # [ 33.182183] R10: 00000000ffffe000 R11: 3fffffffffffffff [ 35.256746] CPU: 3 PID: 1046 Comm: cat Tainted: G D W 5.10.167-cip25 #1 R12: 0000000000000004 # [ 33.190153] R13: ffffb05a81437f10 R1[ 35.271610] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 4: ffffb05a81437f10 R15: ffff91dec4063000 # [ 33.198123] FS: [ 35.284633] RIP: 0010:native_write_cr4+0x45/0x60 00007fb212a43580(0000) GS:ffff91df3ad80000(0000) knlGS:00000000[ 35.296007] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d d4 91 e3 01 00 75 f2 48 c7 c7 b8 2e 7f bd c6 05 c4 91 e3 01 01 e8 7d 49 e5 00 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 00000000 # [ 33.207163] CS: 0010 DS: 0000 ES: 0000 CR0: 0000[ 35.323207] RSP: 0018:ffffb05a819ffe48 EFLAGS: 00010286 000080050033 # [ 33.213581] CR2: 0000000000000000 CR3: 000000[ 35.335258] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 0000000000000000 [ 35.349446] RDX: ffff91df3adac660 RSI: ffff91df3ad9bf70 RDI: ffff91df3ad9bf70 01032a8002 CR4: 00000000003706e0 # [ 33.221551] BUG: sleeping[ 35.357420] RBP: ffffffffbd8b418d R08: 0000000000000000 R09: 0000000000000000 [ 35.371600] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b function called from invalid context at include/linux/percpu-rw[ 35.379577] R13: ffffb05a819fff10 R14: ffffb05a819fff10 R15: ffff91dec2674000 sem.h:49 # [ 33.231464] in_atomic(): 0, irqs_disabled(): 1, n[ 35.393760] FS: 00007f8728f78580(0000) GS:ffff91df3ad80000(0000) knlGS:0000000000000000 on_block: 0, pid: 752, name: cat # [ 33.239824] INFO: lockdep[ 35.409020] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 is turned off. # [ 33.244199] irq event stamp: 0 # [ 33.2[ 35.421657] CR2: 00007f8728d81000 CR3: 0000000104060005 CR4: 00000000003706e0 47605] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 35.435844] Call Trace: # [ 33.254597] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 33.263733] softirqs last [ 35.455877] direct_entry.cold+0x2c/0x38 enabled at (0): [] copy_process+0x664/0x1cb0 [ 35.466473] full_proxy_write+0x53/0x80 # [ 33.272869] softirqs last disabled at (0): [<00000000000000[ 35.476970] vfs_write+0xe7/0x3a0 00>] 0x0 # [ 33.279868] CPU: 3 PID: 752 Comm: cat Tainted: G [ 35.486883] ksys_write+0x68/0xf0 D W 5.10.167-cip25 #1 # [ 33.288437] Hardware na[ 35.496805] do_syscall_64+0x30/0x40 me: Google Rammus/Rammus, BIOS 09/04/2020 # [ 33.295243] Cal[ 35.507008] entry_SYSCALL_64_after_hwframe+0x61/0xc6 l Trace: # [ 33.297972] dump_stack+0x77/0x9b # [ 33.30167[ 35.518867] RIP: 0033:0x7f8728e8e833 2] ___might_sleep.cold+0xa6/0xb6 # [ 33.306245] exit_signal[ 35.529073] Code: 8b 15 61 26 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 s+0x1c/0x2e0 # [ 33.310234] do_exit+0xc2/0xaf0 # [ 33.313[ 35.556279] RSP: 002b:00007ffdc21d4b68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 739] ? ksys_write+0x68/0xf0 # [ 33.317632] make_task_dead+0[ 35.570951] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f8728e8e833 x2f/0x30 # [ 33.321719] rewind_stack_and_make_dead+0x17/0x20[ 35.585145] RDX: 000000000000000b RSI: 00007f8728d81000 RDI: 0000000000000001 # [ 33.326970] RIP: 0033:0x7fb212959833 # [ 33.330957] Co[ 35.599334] RBP: 00007f8728d81000 R08: 00007f8728d80010 R09: 0000000000000000 de: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 [ 35.613526] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 0[ 35.627715] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 5 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 [ 35.641908] irq event stamp: 0 [ 35.651527] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 35.658532] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 35.667701] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 35.676843] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 35.683844] ---[ end trace 7a8cb61385a8de91 ]--- [ 35.689001] lkdtm: ok: SMEP did not get cleared [ 35.694063] lkdtm: trying to clear SMEP with call gadget [ 35.699999] lkdtm: ok: SMEP removal was reverted 24 18 # [ 33.351944] RSP: 002b:00007fffaaa042f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 33.360399] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fb212959833 # [ 33.368376] RDX: 000000000000000a RSI: 00007fb21284c000 RDI: 0000000000000001 # [ 33.376347] RBP: 00007fb21284c000 R08: 00007fb21284b010 R09: 0000000000000000 # [ 33.384340] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 33.392310] 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: [ 35.791493] lkdtm: Performing direct entry DOUBLE_FAULT [ 35.798051] lkdtm: XFAIL: this test is ia32-only 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 # [ 33.682205] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 33.692437] lkdtm: attempting good list addition # [ 33.697602] lkdtm: attempting corrupted list addition # [ 33.703251] lkdtm: list_add() corruption not detected! # CORRUPT_LIST_ADD: missing 'list_add corruption': [FAIL] not ok 10 selftests: lkdtm: CORRUPT_LIST_ADD.sh # exit=1 # selftests: lkdtm: CORRUPT_LIST_DEL.sh # [ 33.781531] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 33.789837] lkdtm: attempting good list removal # [ 33.801114] lkdtm: attempting corrupted list removal # [ 33.812878] 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 # [ 33.893530] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 33.906446] lkdtm: attempting bad read from page below current stack # [ 33.919769] BUG: stack guard page was hit at 000000002e8511a5 (stack is [ 35.932176] lkdtm: Performing direct entry CORRUPT_PAC 0000000084e3f1fd..00000000b905930d) # [ 33.936849] kernel sta[ 35.939538] lkdtm: XFAIL: this test is arm64-only ck overflow (page fault): 0000 [#3] SMP PTI # [ 33.943656] CPU: 1 PID: 977 Comm: cat Tainted: G D W 5.10.167-cip25 #1 # [ 33.958425] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 33.965233] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a # [ 33.971749] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 f0 49 8b bd 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 04 9d fd ff 48 c7 c7 30 4a 8b bd <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 ea 9c fd ff 0f 1f 44 # [ 33.998946] RSP: 0018:ffffb05a81907e50 EFLAGS: 00010246 # [ 34.004780] RAX: 0000000000000038 RBX: ffffb05a81904000 RCX: 0000000000000000 # [ 34.012743] RDX: 0000000000000000 RSI: ffff91df3ac9bf70 RDI: ffffffffbd8b4a30 # [ 34.020712] RBP: ffffffffbd8b415a R08: 0000000000000000 R09: 0000000000000000 # [ 34.028682] R10: 00[ 36.031155] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE [ 36.039001] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS 000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 # [ 34.036652] R13: ffffb05a81907f10 R14: ffffb05a81907f10 R15: ffff91dec4085000 # [ 34.044623] FS: 00007f0da79d5580(0000) GS:ffff91df3ac80000(0000) knlGS:0000000000000000 # [ 34.053652] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 34.060067] CR2: ffffb05a81903fff CR3: 0000000103218001 CR4: 00000000003706e0 # [ 34.068035] Call Trace: # [ 34.070763] ? lkdtm_CORRUPT_LIST_DEL+0xe0/0xe0 # [ 34.075821] direct_entry.cold+0x2c/0x38 # [ 34.086429] full_proxy_write+0x53/0x80 # [ 34.090711] vfs_write+0xe7/0x3a0 # [ 34.100620] ksys_write+0x68/0xf0 # [ 34.104320] do_syscall_64+0x30/0x40 # [ 34.108311] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 34.120163] RIP: 0033:0x7f0da78eb833 # [ 34.124153] Code: 8b 15 61 26 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 # [ 34.145132] RSP: 002b:00007ffec5a05338 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 34.153589] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f0da78eb833 # [ 34.161560] RDX: 0000000000000019 RSI: 00007f0da77de000 RDI: 0000000000000001 # [ 34.169529] RBP: 00007f0da77de000 R08: 00007f0da77dd010 R09: 0000000000000000 # [ 34.177498] R10: fffffffffffffbc5 R11: 00000000000[ 36.178075] lkdtm: Performing direct entry READ_AFTER_FREE [ 36.189497] lkdtm: Value in memory before free: 12345678 [ 36.195449] lkdtm: Attempting bad read from freed memory 00246 R12: 0000000000000001 # [ 34.185469] R13: 0000000000000[ 36.201393] lkdtm: Memory was not poisoned 001 R14: 0000000000020000 R15: 0000000000020000 # [ 34.193445] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 34.226088] ---[ end trace 7a8cb61385a8de8f ]--- # [ 34.231241] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 34.235620] Code: 89 ff e8 ce 62 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 40 5d 92 02 # [ 34.256597] RSP: 0018:ffffb05a81437e60 EFLAGS: 00010282 # [ 34.262432] RAX: ffffffffbc6e4910 RBX: 0000000000000001 RCX: 0000000000000000 # [ 34.270421] RDX: 0000000000000000 RSI: ffff91df3ac1bf70 RDI: ffffffffbd4d1110 # [ 34.278391] RBP: ffffffffbd90f8a0 R08: 0000000000000001 R09: 0000000000000001 # [ 34.286373] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 34.294334] R13: ffffb05a81437f10 R14: ffffb05a81437f10 R15: ffff91dec4063000 # [ 34.302303] FS: 00007[ 36.319311] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE f0da79d5580(0000) GS:ffff91df3ac80000(0000) knlGS:00000000000000[ 36.330767] lkdtm: Value in memory before free: 12345678 00 # [ 34.311341] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080[ 36.342921] lkdtm: Attempting to read from freed memory 050033 # [ 34.317758] CR2: ffffb05a81903fff CR3: 000000010321[ 36.354974] lkdtm: Buddy page was not poisoned 8001 CR4: 00000000003706e0 # [ 34.325728] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 34.335642] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 977, name: cat # [ 34.343991] INFO: lockdep is turned off. # [ 34.348370] irq event stamp: 0 # [ 34.351776] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 34.358776] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 34.367902] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 34.377036] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 34.384036] CPU: 1 PID: 977 Comm: cat Tainted: G D W 5.10.167-cip25 #1 # [ 34.392588] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 34.399395] Call Trace: # [ 34.402122] dump_stack+0x77/0x9b # [ 34.405823] __[ 36.447524] lkdtm: Performing direct entry SLAB_FREE_DOUBLE [ 36.459397] lkdtm: Attempting double slab free ... _might_sleep.cold+0xa6/0xb6 # [ 34.416607] exit_signals+0x1c/0x2e0 # [ 34.420589] do_exit+0xc2/0xaf0 # [ 34.424094] ? ksys_write+0x68/0xf0 # [ 34.427988] make_task_dead+0x2f/0x30 # [ 34.432075] rewind_stack_and_make_dead+0x17/0x20 # [ 34.437318] RIP: 0033:0x7f0da78eb833 # [ 34.441298] Code: 8b 15 61 26 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 # [ 34.462273] RSP: 002b:00007ffec5a05338 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 34.470730] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f0da78eb833 # [ 34.478700] RDX: 0000000000000019 RSI: 00007f0da77de000 RDI: 0000000000000001 # [ 34.486670] RBP: 00007f0da77de000 R08: 00007f0da77dd010 R09: 0000000000000000 # [ 34.494641] R10: fffffffffffffbc5 R11[ 36.547095] lkdtm: Performing direct entry SLAB_FREE_CROSS [ 36.557959] lkdtm: Attempting cross-cache slab free ... : 0000000000000246 R12: 0000000000000001 # [ 34.502612] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # STACK_GUARD_PAGE_LEADING: saw 'call trace:': ok ok 12 selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh # selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # Segmentation fault # [ 34.658939] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 34.666847] lkdtm: attempting bad read from page above current stack # [ 34.680169] BUG: stack guard page was hit at 00000000971546ed (stack is 0000000065923b21..0000000076895281) # [ 34.697263] kernel stack overflow (page fault): 0000 [#4] SMP PTI # [ 34.704073] CPU: 1 PID: 1010 Comm: cat Tainted: G D W 5.10.167-cip25 #1 # [ 34.712722] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 34.719529] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d # [ 34.726143] Code: 9c fd ff 0f 1f 44 00 00 53 48 c7 c7 68 4a 8b bd 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 ca 9c fd ff 48 c7 c7 a8 4a 8b bd <8a>[ 36.658702] lkdtm: Performing direct entry SLAB_FREE_PAGE [ 36.669349] lkdtm: Attempting non-Slab slab free ... 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 ad 9c fd ff # [ 34.753362] RSP: 0018:ffffb05a8195fe50 EFLAGS: 00010246 # [ 34.759194] RAX: 0000000000000038 RBX: ffffb05a8195c000 RCX: 0000000000000000 # [ 34.773381] RDX: 0000000000000000 RSI: ffff91df3ac9bf70 RDI: ffffffffbd8b4aa8 # [ 34.781370] RBP: ffffffffbd8b4173 R08: 0000000000000000 R09: 0000000000000000 # [ 34.789340] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a # [ 34.797311] R13: ffffb05a8195ff10 R14: ffffb05a8195ff10 R15: ffff91dec3275000 # [ 34.805281] FS: 00007fc573e8e580(0000) GS:ffff91df3ac80000(0000) knlGS:0000000000000000 # [ 34.814318] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 34.820734] CR2: ffffb05a81960000 CR3: 0000000103276006 CR4: 00000000003706e0 # [ 34.828704] Call Trace: # [ 34.831432] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a # [ 34.837270] direct_entry.cold+0x2c/0x38 # [ 34.847859] full_proxy_write+0x53/0x80 # [ 34.852141] vfs_write+0xe7/0x3a0 # [ 34.862051] ksys_write+0x68/0xf0 # [ 34.865749] do_syscall_64+0x30/0x40 # [ 34.869738] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 34.875374] RIP: 0033:0x7fc573da4833 # [ 34.879373] Code: 8b 15 61 26 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 # [ 34.900371] RSP: 002b:00007fff1b76a018 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 34.908827] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007fc573da4833 # [ 34.916799] RDX: 000000000000001a RSI: 00007fc573c97000 RDI: 0000000000000001 # [ 34.924759] RBP: 00007fc573c97000 R08: 00007fc573c96010 R09: 0000000000000000 # [ 34.932728] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 34.940698] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 34.948672] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal c[ 36.883729] lkdtm: Performing direct entry EXEC_DATA ros_ec_dev cros_usbpd_notify # [ 34.981312] ---[ end trace 7a[ 36.891824] lkdtm: attempting ok execution at ffffffffbc6e4ce0 8cb61385a8de90 ]--- # [ 34.986469] RIP: 0010:lkdtm_BUG+0x5/0x[ 36.904580] lkdtm: attempting bad execution at ffffffffbf00a6a0 10 # [ 34.990848] Code: 89 ff e8 ce 62 a3 ff 48 c7 c0 ea ff f[ 36.917398] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 36.931954] BUG: unable to handle page fault for address: ffffffffbf00a6a0 [ 36.939632] #PF: supervisor instruction fetch in kernel mode [ 36.945951] #PF: error_code(0x0011) - permissions violation [ 36.952173] PGD 161829067 P4D 161829067 PUD 16182a063 PMD 8000000162e000e3 [ 36.959957] Oops: 0011 [#5] SMP PTI [ 36.963848] CPU: 0 PID: 1553 Comm: cat Tainted: G D W 5.10.167-cip25 #1 [ 36.972497] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 36.979303] RIP: 0010:data_area+0x0/0x40 [ 36.983685] Code: ff ff 00 85 3b c0 de 91 ff ff 00 84 3b c0 de 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 [ 37.004666] RSP: 0018:ffffb05a821ffe48 EFLAGS: 00010246 [ 37.010499] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 37.018471] RDX: 0000000000000000 RSI: ffff91df3ac1bf70 RDI: ffff91df3ac1bf70 [ 37.026440] RBP: ffffffffbf00a6a0 R08: 0000000000000000 R09: 0000000000000000 [ 37.034423] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 37.042393] R13: ffffb05a821fff10 R14: ffffb05a821fff10 R15: ffff91dec3040000 [ 37.050372] FS: 00007fad8e2d3580(0000) GS:ffff91df3ac00000(0000) knlGS:0000000000000000 [ 37.059426] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 37.065840] CR2: ffffffffbf00a6a0 CR3: 000000010372a005 CR4: 00000000003706f0 [ 37.073809] Call Trace: [ 37.076536] ? execute_location+0x45/0x56 [ 37.081018] ? direct_entry.cold+0x2c/0x38 [ 37.085591] ? full_proxy_write+0x53/0x80 [ 37.090066] ? vfs_write+0xe7/0x3a0 [ 37.093956] ? ksys_write+0x68/0xf0 [ 37.097850] ? do_syscall_64+0x30/0x40 [ 37.102034] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 37.107863] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 37.134307] CR2: ffffffffbf00a6a0 [ 37.138005] ---[ end trace 7a8cb61385a8de92 ]--- [ 37.143161] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 37.147537] Code: 89 ff e8 ce 62 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 40 5d 92 02 [ 37.168523] RSP: 0018:ffffb05a81437e60 EFLAGS: 00010282 [ 37.174372] RAX: ffffffffbc6e4910 RBX: 0000000000000001 RCX: 0000000000000000 [ 37.182343] RDX: 0000000000000000 RSI: ffff91df3ac1bf70 RDI: ffffffffbd4d1110 [ 37.190313] RBP: ffffffffbd90f8a0 R08: 0000000000000001 R09: 0000000000000001 [ 37.198283] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 37.206252] R13: ffffb05a81437f10 R14: ffffb05a81437f10 R15: ffff91dec4063000 [ 37.214223] FS: 00007fad8e2d3580(0000) GS:ffff91df3ac00000(0000) knlGS:0000000000000000 [ 37.223260] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 37.229676] CR2: ffffffffbf00a6a0 CR3: 000000010372a005 CR4: 00000000003706f0 [ 37.237645] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 37.247558] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1553, name: cat [ 37.256014] INFO: lockdep is turned off. [ 37.260389] irq event stamp: 0 [ 37.263796] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 37.270787] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 37.279914] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 37.289048] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 37.296049] CPU: 0 PID: 1553 Comm: cat Tainted: G D W 5.10.167-cip25 #1 [ 37.304689] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 37.311495] Call Trace: [ 37.314222] dump_stack+0x77/0x9b [ 37.317926] ___might_sleep.cold+0xa6/0xb6 [ 37.322506] exit_signals+0x1c/0x2e0 [ 37.326501] do_exit+0xc2/0xaf0 [ 37.330005] ? ksys_write+0x68/0xf0 [ 37.333889] make_task_dead+0x2f/0x30 [ 37.337966] rewind_stack_and_make_dead+0x17/0x20 [ 37.343218] RIP: 0033:0x7fad8e1e9833 [ 37.347206] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 37.368195] RSP: 002b:00007ffc107918c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 37.376643] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fad8e1e9833 [ 37.384614] RDX: 000000000000000a RSI: 00007fad8e0dc000 RDI: 0000000000000001 [ 37.392586] RBP: 00007fad8e0dc000 R08: 00007fad8e0db010 R09: 0000000000000000 [ 37.400557] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 37.408528] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 f 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 40 5d 92 02 # [ 35.011822] RSP: 0018:ffffb05a81437e60 EFLAGS: 00010282 # [ 35.017656] RAX: ffffffffbc6e4910 RBX: 0000000000000001 RCX: 0000000000000000 # [ 35.025625] RDX: 0000000000000000 RSI: ffff91df3ac1bf70 RDI: ffffffffbd4d1110 # [ 35.033597] RBP: ffffffffbd90f8a0 R08: 0000000000000001 R09: 0000000000000001 # [ 35.041567] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 35.049536] R13: ffffb05a81437f10 R14: ffffb05a81437f10 R15: ffff91dec4063000 # [ 35.057505] FS: 00007fc573e8e580(0000) GS:ffff91df3ac80000(0000) knlGS:0000000000000000 # [ 35.066544] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 35.072959] CR2: ffffb05a81960000 CR3: 0000000103276006 CR4: 00000000003706e0 # STACK_GUARD_PAGE_TRAILING: saw 'call trace:': ok ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # selftests: lkdtm: UNSET_SMEP.sh # [ 35.189381] lkdtm: Performing direct entry UNSET_SMEP # [ 35.198451] lkdtm: trying to clear SMEP normally # [ 35.[ 37.522708] lkdtm: Performing direct entry EXEC_STACK 203619] ------------[ cut here ]------------ # [ 35.208810] p[ 37.534085] lkdtm: attempting ok execution at ffffffffbc6e4ce0 inned CR4 bits changed: 0x100000!? # [ 35.213876] WARNING: CP[ 37.546817] lkdtm: attempting bad execution at ffffb05a822d7e18 U: 3 PID: 1046 at arch/x86/kernel/cpu/common.c:392 native_write_[ 37.559625] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 37.574183] BUG: unable to handle page fault for address: ffffb05a822d7e18 [ 37.581864] #PF: supervisor instruction fetch in kernel mode [ 37.588175] #PF: error_code(0x0011) - permissions violation [ 37.594397] PGD 100000067 P4D 100000067 PUD 10020b067 PMD 10279d067 PTE 80000001030ef063 [ 37.603445] Oops: 0011 [#6] SMP PTI [ 37.607337] CPU: 0 PID: 1589 Comm: cat Tainted: G D W 5.10.167-cip25 #1 [ 37.615987] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 37.622794] RIP: 0010:0xffffb05a822d7e18 [ 37.627163] Code: 00 00 18 7e 2d 82 5a b0 ff ff 9c 59 d4 bc ff ff ff ff 20 00 00 00 00 00 00 00 b6 42 8b bd ff ff ff ff cb 5a d4 bc 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 [ 37.648142] RSP: 0018:ffffb05a822d7df8 EFLAGS: 00010246 [ 37.653977] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 37.661947] RDX: 0000000000000000 RSI: ffff91df3ac1bf70 RDI: ffff91df3ac1bf70 [ 37.669917] RBP: ffffb05a822d7e18 R08: 0000000000000000 R09: 0000000000000000 [ 37.677889] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b [ 37.685860] R13: ffffb05a822d7f10 R14: ffffb05a822d7f10 R15: ffff91dec4ccd000 [ 37.693832] FS: 00007f89a198b580(0000) GS:ffff91df3ac00000(0000) knlGS:0000000000000000 [ 37.702873] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 37.709291] CR2: ffffb05a822d7e18 CR3: 0000000103192005 CR4: 00000000003706f0 [ 37.717253] Call Trace: [ 37.719983] ? execute_location+0x45/0x56 [ 37.724465] ? lkdtm_EXEC_STACK+0x26/0x44 [ 37.728942] ? direct_entry.cold+0x2c/0x38 [ 37.733522] ? full_proxy_write+0x53/0x80 [ 37.738004] ? vfs_write+0xe7/0x3a0 [ 37.741898] ? ksys_write+0x68/0xf0 [ 37.745793] ? do_syscall_64+0x30/0x40 [ 37.749983] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 37.755812] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 37.782263] CR2: ffffb05a822d7e18 [ 37.785953] ---[ end trace 7a8cb61385a8de93 ]--- [ 37.791108] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 37.795478] Code: 89 ff e8 ce 62 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 40 5d 92 02 [ 37.816458] RSP: 0018:ffffb05a81437e60 EFLAGS: 00010282 [ 37.822293] RAX: ffffffffbc6e4910 RBX: 0000000000000001 RCX: 0000000000000000 [ 37.830264] RDX: 0000000000000000 RSI: ffff91df3ac1bf70 RDI: ffffffffbd4d1110 [ 37.838236] RBP: ffffffffbd90f8a0 R08: 0000000000000001 R09: 0000000000000001 [ 37.846208] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 37.854179] R13: ffffb05a81437f10 R14: ffffb05a81437f10 R15: ffff91dec4063000 [ 37.862151] FS: 00007f89a198b580(0000) GS:ffff91df3ac00000(0000) knlGS:0000000000000000 [ 37.871191] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 37.877607] CR2: ffffb05a822d7e18 CR3: 0000000103192005 CR4: 00000000003706f0 cr4+0x45/0x60 # [ 35.224111] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 35.256746] CPU: 3 PID: 1046 Comm: cat Tainted: G D W 5.10.167-cip25 #1 # [ 35.271610] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 35.284633] RIP: 0010:native_write_cr4+0x45/0x60 # [ 35.296007] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d d4 91 e3 01 00 75 f2 48 c7 c7 b8 2e 7f bd c6 05 c4 91 e3 01 01 e8 7d 49 e5 00 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 # [ 35.323207] RSP: 0018:ffffb05a819ffe48 EFLAGS: 00010286 # [ 35.335258] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 0000000000000000 # [ 35.349446] RDX: ffff91df3adac660 RSI: ffff91df3ad9bf70 RDI: ffff91df3ad9bf70 # [ 35.357420] RBP: ffffffffbd8b418d R08: 0000000000000000 R09: 0000000000000000 # [ 35.371600] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 35.379577] R13: ffffb05a819fff10 R14: ffffb05a819fff10 R15: ffff91dec2674000 # [ 35.393760] FS: 00007f8728f78580(0000) GS:ffff91df3ad80000(0000) knlGS:0000000000000000 # [ 35.409020] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 35.421657] CR2: 00007f8728d81000 CR3: 0000000104060005 CR4: 00000000003706e0 # [ 35.435844] Call Trace: # [ 35.444795] lkdtm_UNSET_SMEP.cold+0x1d/0x103 # [ 35.455877] direct_entry.cold+0x2c/0x38 # [ 35.466473] full_proxy_write+0x53/0x80 # [ 35.476970] vfs_write+0xe7/0x3a0 # [ 35.486883] ksys_write+0x68/0xf0 # [ 35.496805] do_syscall_64+0x30/0x40 # [ 35.507008] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 35.518867] RIP: 0033:0x7f8728e8e833 # [ 35.529073] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 [ 38.068017] lkdtm: Performing direct entry EXEC_KMALLOC [ 38.077900] lkdtm: attempting ok execution at ffffffffbc6e4ce0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b[ 38.084431] lkdtm: attempting bad execution at ffff91dec3c44dc0 [ 38.097269] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 38.105634] BUG: unable to handle page fault for address: ffff91dec3c44dc0 [ 38.113314] #PF: supervisor instruction fetch in kernel mode [ 38.119635] #PF: error_code(0x0011) - permissions violation [ 38.125856] PGD 163001067 P4D 163001067 PUD 10084c063 PMD 105c0f063 PTE 8000000103c44063 [ 38.134897] Oops: 0011 [#7] SMP PTI [ 38.138789] CPU: 3 PID: 1625 Comm: cat Tainted: G D W 5.10.167-cip25 #1 [ 38.147439] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 38.154245] RIP: 0010:0xffff91dec3c44dc0 [ 38.158623] Code: 00 00 02 00 00 00 00 00 00 00 a0 9a 31 c3 de 91 ff ff 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 bb 24 f0 bb 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 [ 38.179599] RSP: 0018:ffffb05a8236fe38 EFLAGS: 00010246 [ 38.185433] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 38.193419] RDX: 0000000000000000 RSI: ffff91df3ad9bf70 RDI: ffff91df3ad9bf70 [ 38.201392] RBP: ffff91dec3c44dc0 R08: 0000000000000000 R09: 0000000000000000 [ 38.209371] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 38.217342] R13: ffffb05a8236ff10 R14: ffffb05a8236ff10 R15: ffff91dec15ce000 [ 38.225311] FS: 00007f458108b580(0000) GS:ffff91df3ad80000(0000) knlGS:0000000000000000 [ 38.234372] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.240789] CR2: ffff91dec3c44dc0 CR3: 000000010302e003 CR4: 00000000003706e0 [ 38.248759] Call Trace: [ 38.251488] ? execute_location+0x45/0x56 [ 38.255965] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 [ 38.260634] ? direct_entry.cold+0x2c/0x38 [ 38.265199] ? full_proxy_write+0x53/0x80 [ 38.269675] ? vfs_write+0xe7/0x3a0 [ 38.273567] ? ksys_write+0x68/0xf0 [ 38.277459] ? do_syscall_64+0x30/0x40 [ 38.281633] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 38.287470] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 [ 38.313927] CR2: ffff91dec3c44dc0 [ 38.323841] ---[ end trace 7a8cb61385a8de94 ]--- [ 38.328994] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 38.333372] Code: 89 ff e8 ce 62 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 40 5d 92 02 [ 38.354369] RSP: 0018:ffffb05a81437e60 EFLAGS: 00010282 [ 38.360203] RAX: ffffffffbc6e4910 RBX: 0000000000000001 RCX: 0000000000000000 [ 38.368173] RDX: 0000000000000000 RSI: ffff91df3ac1bf70 RDI: ffffffffbd4d1110 [ 38.376144] RBP: ffffffffbd90f8a0 R08: 0000000000000001 R09: 0000000000000001 [ 38.384112] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 38.392084] R13: ffffb05a81437f10 R14: ffffb05a81437f10 R15: ffff91dec4063000 [ 38.400054] FS: 00007f458108b580(0000) GS:ffff91df3ad80000(0000) knlGS:0000000000000000 [ 38.409093] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.415509] CR2: ffff91dec3c44dc0 CR3: 000000010302e003 CR4: 00000000003706e0 83 ec 28 48 89 54 24 18 # [ 35.556279] RSP: 002b:00007ffdc21d4b68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 35.570951] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f8728e8e833 # [ 35.585145] RDX: 000000000000000b RSI: 00007f8728d81000 RDI: 0000000000000001 # [ 35.599334] RBP: 00007f8728d81000 R08: 00007f8728d80010 R09: 0000000000000000 # [ 35.613526] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 35.627715] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 35.641908] irq event stamp: 0 # [ 35.651527] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 35.658532] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 35.667701] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 35.676843] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 35.683844] ---[ end trace 7a8cb61385a8de91 ]--- # [ 35.689001] lkdtm: ok: SMEP did not get cleared # [ 35.694063] lkdtm: trying to clear SMEP with call gadget # [ 35.699999] lkdtm: ok: SMEP removal was reverted # UNSET_SMEP: saw 'pinned CR4 bits changed:': ok ok 14 selftests: lkdtm: UNSET_SMEP.sh # selftests: lkdtm: DOUBLE_FAULT.sh # [ 35.791493] lkdtm: Performing direct entry DOUBLE_FAULT # [ 35.798051] l[ 38.553001] lkdtm: Performing direct entry EXEC_VMALLOC [ 38.559883] lkdtm: attempting ok execution at ffffffffbc6e4ce0 [ 38.566404] lkdtm: attempting bad execution at ffffb05a80361000 [ 38.573031] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 38.581397] BUG: unable to handle page fault for address: ffffb05a80361000 [ 38.589067] #PF: supervisor instruction fetch in kernel mode [ 38.595388] #PF: error_code(0x0011) - permissions violation [ 38.601610] PGD 100000067 P4D 100000067 PUD 10020b067 PMD 10093e067 PTE 8000000103be6063 [ 38.610650] Oops: 0011 [#8] SMP PTI [ 38.614542] CPU: 3 PID: 1661 Comm: cat Tainted: G D W 5.10.167-cip25 #1 [ 38.623191] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 38.629997] RIP: 0010:0xffffb05a80361000 [ 38.634377] Code: Unable to access opcode bytes at RIP 0xffffb05a80360fd6. [ 38.642056] RSP: 0018:ffffb05a82427e38 EFLAGS: 00010246 [ 38.647889] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 38.655861] RDX: 0000000000000000 RSI: ffff91df3ad9bf70 RDI: ffff91df3ad9bf70 [ 38.663831] RBP: ffffb05a80361000 R08: 0000000000000000 R09: 0000000000000000 [ 38.671801] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 38.679769] R13: ffffb05a82427f10 R14: ffffb05a82427f10 R15: ffff91dec3be6000 [ 38.687740] FS: 00007ffbb5fc5580(0000) GS:ffff91df3ad80000(0000) knlGS:0000000000000000 [ 38.696779] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.703195] CR2: ffffb05a80360fd6 CR3: 0000000104000004 CR4: 00000000003706e0 [ 38.711165] Call Trace: [ 38.713894] ? execute_location+0x45/0x56 [ 38.718378] ? lkdtm_EXEC_VMALLOC+0x20/0x30 [ 38.723048] ? direct_entry.cold+0x2c/0x38 [ 38.727621] ? full_proxy_write+0x53/0x80 [ 38.732095] ? vfs_write+0xe7/0x3a0 [ 38.735987] ? ksys_write+0x68/0xf0 [ 38.739880] ? do_syscall_64+0x30/0x40 [ 38.744063] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 38.749898] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify kdtm: XFAIL: this test is ia32-only # DOUBLE_FAULT: saw 'XFAIL'[ 38.776353] CR2: ffffb05a80361000 [ 38.786263] ---[ end trace 7a8cb61385a8de95 ]--- [ 38.791427] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 38.795803] Code: 89 ff e8 ce 62 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 40 5d 92 02 [ 38.816784] RSP: 0018:ffffb05a81437e60 EFLAGS: 00010282 [ 38.822617] RAX: ffffffffbc6e4910 RBX: 0000000000000001 RCX: 0000000000000000 [ 38.830586] RDX: 0000000000000000 RSI: ffff91df3ac1bf70 RDI: ffffffffbd4d1110 [ 38.838557] RBP: ffffffffbd90f8a0 R08: 0000000000000001 R09: 0000000000000001 [ 38.846527] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 38.854494] R13: ffffb05a81437f10 R14: ffffb05a81437f10 R15: ffff91dec4063000 [ 38.862465] FS: 00007ffbb5fc5580(0000) GS:ffff91df3ad80000(0000) knlGS:0000000000000000 [ 38.871495] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.877910] CR2: ffffb05a80360fd6 CR3: 0000000104000004 CR4: 00000000003706e0 [ 38.885881] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 38.895793] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1661, name: cat [ 38.904249] INFO: lockdep is turned off. [ 38.908626] irq event stamp: 0 [ 38.912029] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 38.919029] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 38.928167] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 38.937292] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 38.944291] CPU: 3 PID: 1661 Comm: cat Tainted: G D W 5.10.167-cip25 #1 [ 38.952940] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 38.959743] Call Trace: [ 38.962472] dump_stack+0x77/0x9b [ 38.966173] ___might_sleep.cold+0xa6/0xb6 [ 38.970744] exit_signals+0x1c/0x2e0 [ 38.974732] do_exit+0xc2/0xaf0 [ 38.978227] ? ksys_write+0x68/0xf0 [ 38.982120] make_task_dead+0x2f/0x30 [ 38.986208] rewind_stack_and_make_dead+0x17/0x20 [ 38.991450] RIP: 0033:0x7ffbb5edb833 [ 38.995438] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 39.016426] RSP: 002b:00007fffc8d3d898 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 39.024881] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007ffbb5edb833 [ 39.032851] RDX: 000000000000000d RSI: 00007ffbb5dce000 RDI: 0000000000000001 [ 39.040824] RBP: 00007ffbb5dce000 R08: 00007ffbb5dcd010 R09: 0000000000000000 [ 39.048793] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 39.056762] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 : [SKIP] ok 15 selftests: lkdtm: DOUBLE_FAULT.sh # SKIP # selftests: lkdtm: CORRUPT_PAC.sh # [ 35.932176] lkdtm: Performing direct entry CORRUPT_PAC # [ 35.939538] 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 # [ 36.031155] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 36.039001] 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 # [ 36.178075] lkdtm: Performing direct entry READ_AFTER_FREE # [ 36.189497] lkdtm: Value in memory before free: 12345678 # [ 36.195449] lkdtm: Attempting bad read from freed memory # [ 36.201393] lkdtm: Memory was not poisoned # READ_AFT[ 39.176705] lkdtm: Performing direct entry EXEC_RODATA ER_FREE: missing 'call trace:': [FAIL] not ok 20 selftests: lkd[ 39.188648] lkdtm: attempting ok execution at ffffffffbc6e4ce0 tm: READ_AFTER_FREE.sh # exit=1 # selftests: lkdtm: WRITE_BUDDY[ 39.201389] lkdtm: attempting bad execution at ffffffffbd4d15a0 _AFTER_FREE.sh # Skipping WRITE_BUDDY_AFTER_FREE: Corrupts memo[ 39.214211] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 39.228783] BUG: unable to handle page fault for address: ffffffffbd4d15a0 [ 39.236463] #PF: supervisor instruction fetch in kernel mode [ 39.242782] #PF: error_code(0x0011) - permissions violation [ 39.249005] PGD 161829067 P4D 161829067 PUD 16182a063 PMD 80000001612000e1 ry on failure ok 21 selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh[ 39.256785] Oops: 0011 [#9] SMP PTI [ 39.266893] CPU: 1 PID: 1697 Comm: cat Tainted: G D W 5.10.167-cip25 #1 [ 39.275542] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 39.282375] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 # SKIP # selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh # [ 36.[ 39.288114] Code: ff ff 3b 6f d4 bc ff ff ff ff 02 45 8b bd ff ff ff ff 81 56 d4 bc 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 [ 39.315308] RSP: 0018:ffffb05a8246fe48 EFLAGS: 00010246 [ 39.321141] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 39.329110] RDX: 0000000000000000 RSI: ffff91df3ac9bf70 RDI: ffff91df3ac9bf70 [ 39.337080] RBP: ffffffffbd4d15a0 R08: 0000000000000000 R09: 0000000000000000 [ 39.345048] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 39.353018] R13: ffffb05a8246ff10 R14: ffffb05a8246ff10 R15: ffff91dec3245000 [ 39.360989] FS: 00007f32a1844580(0000) GS:ffff91df3ac80000(0000) knlGS:0000000000000000 [ 39.370025] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.376439] CR2: ffffffffbd4d15a0 CR3: 0000000104c8a005 CR4: 00000000003706e0 [ 39.384425] Call Trace: [ 39.387155] ? execute_location+0x45/0x56 319311] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 39.391632] ? direct_entry.cold+0x2c/0x38 [ 39.402426] ? full_proxy_write+0x53/0x80 [ 36.330767] lkdtm: Value in memory before free: 12345678 # [[ 39.406903] ? vfs_write+0xe7/0x3a0 [ 39.417006] ? ksys_write+0x68/0xf0 [ 39.420898] ? do_syscall_64+0x30/0x40 36.342921] lkdtm: Attempting to read from freed memory # [ [ 39.425082] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 36.354974] lkdtm: Buddy page was not poisoned # READ_BUDDY_AFT[ 39.437132] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 39.469763] CR2: ffffffffbd4d15a0 [ 39.473460] ---[ end trace 7a8cb61385a8de96 ]--- [ 39.478605] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 39.482981] Code: 89 ff e8 ce 62 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 40 5d 92 02 [ 39.503961] RSP: 0018:ffffb05a81437e60 EFLAGS: 00010282 [ 39.509796] RAX: ffffffffbc6e4910 RBX: 0000000000000001 RCX: 0000000000000000 [ 39.517758] RDX: 0000000000000000 RSI: ffff91df3ac1bf70 RDI: ffffffffbd4d1110 [ 39.525727] RBP: ffffffffbd90f8a0 R08: 0000000000000001 R09: 0000000000000001 [ 39.533695] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 39.541663] R13: ffffb05a81437f10 R14: ffffb05a81437f10 R15: ffff91dec4063000 [ 39.549630] FS: 00007f32a1844580(0000) GS:ffff91df3ac80000(0000) knlGS:0000000000000000 [ 39.558666] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.565081] CR2: ffffffffbd4d15a0 CR3: 0000000104c8a005 CR4: 00000000003706e0 [ 39.573042] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 39.582953] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1697, name: cat [ 39.591423] INFO: lockdep is turned off. [ 39.595797] irq event stamp: 0 [ 39.599203] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 39.606202] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 39.615326] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 39.624459] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 39.631455] CPU: 1 PID: 1697 Comm: cat Tainted: G D W 5.10.167-cip25 #1 [ 39.640102] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 39.646903] Call Trace: [ 39.649631] dump_stack+0x77/0x9b ER_FREE: missing 'call trace:': [FAIL] not ok 22 selftests: lkd[ 39.653329] ___might_sleep.cold+0xa6/0xb6 [ 39.664111] exit_signals+0x1c/0x2e0 [ 39.668101] do_exit+0xc2/0xaf0 [ 39.671605] ? ksys_write+0x68/0xf0 [ 39.675497] make_task_dead+0x2f/0x30 [ 39.679582] rewind_stack_and_make_dead+0x17/0x20 [ 39.684823] RIP: 0033:0x7f32a175a833 [ 39.688813] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 39.709795] RSP: 002b:00007ffcfd1733f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 39.718249] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f32a175a833 [ 39.726215] RDX: 000000000000000c RSI: 00007f32a164d000 RDI: 0000000000000001 [ 39.734182] RBP: 00007f32a164d000 R08: 00007f32a164c010 R09: 0000000000000000 [ 39.742149] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 39.750117] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 tm: READ_BUDDY_AFTER_FREE.sh # exit=1 # selftests: lkdtm: SLAB_FREE_DOUBLE.sh # [ 36.447524] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 36.459397] 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 # [ 36.547095] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 36.557959] lkdtm: Attempting cross-cache slab free ... # SLAB_FREE_CROSS: missing 'call trace:': [FAIL] not ok 24 selftests: lkdtm: SLAB_FREE_CROSS.sh # exit=1 # selftests: lkdtm: SLAB_FREE_PAGE.sh # [ 36.658702] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 36.669349] lkdtm: Attempting non-Slab slab free ... # SLAB_FREE_PAGE: missing 'call trace:': [FAIL] not ok 25 selftests: lkdtm: SLAB_FREE_PAGE.sh # exit=1 # selftests: lkdtm: SOFTLOCKUP.sh # Skipping SOFTLOCKUP: Hangs the system ok 26 selftests: lkdtm: SOFTLOCKUP.sh # SKIP # selftests: lkdtm: HARDLOCKUP.sh # Skipping HARDLOCKUP: Hangs the system ok 27 selftests: lkdtm: HARDLOCKUP.sh # SKIP # selftests: lkdtm: SPINLOCKUP.sh # Skipping SPINLOCKUP: Hangs the system ok 28 selftests: lkdtm: SPINLOCKUP.sh # SKI[ 39.871646] lkdtm: Performing direct entry EXEC_USERSPACE [ 39.882224] lkdtm: attempting ok execution at ffffffffbc6e4ce0 P # selftests: lkdtm: HUNG_TASK.sh # Skipping HUNG_TASK: Hangs[ 39.888754] lkdtm: attempting bad execution at 00007fd28d736000 [ 39.901593] unable to execute userspace code (SMEP?) (uid: 0) the system ok 29 selftests: lkdtm: HUNG_TASK.sh # SKIP # self[ 39.908015] BUG: unable to handle page fault for address: 00007fd28d736000 [ 39.921911] #PF: supervisor instruction fetch in kernel mode [ 39.928231] #PF: error_code(0x0011) - permissions violation te[sts: lkdtm: EXEC_DATA.sh # Killed # [ 36.883729] lkdtm: Pe 39.934454] PGD 8000000104e3a067 P4D 8000000104e3a067 PUD 103170067 PMD 103274067 PTE 10a762067 [ 39.950395] Oops: 0011 [#10] SMP PTI [ 39.954385] CPU: 2 PID: 1733 Comm: cat Tainted: G D W 5.10.167-cip25 #1 [ 39.963037] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 39.969844] RIP: 0010:0x7fd28d736000 rforming direct entry EXEC_DATA # [ 36.891824] lkdtm: attempt[ 39.973834] Code: Unable to access opcode bytes at RIP 0x7fd28d735fd6. [ 39.987338] RSP: 0018:ffffb05a82517e50 EFLAGS: 00010246 [ 39.993164] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 [ 40.001134] RDX: 0000000000000000 RSI: ffff91df3ad1bf70 RDI: ffff91df3ad1bf70 [ 40.009104] RBP: 00007fd28d736000 R08: 0000000000000000 R09: 0000000000000000 [ 40.017075] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f [ 40.025045] R13: ffffb05a82517f10 R14: ffffb05a82517f10 R15: ffff91dec3f4c000 [ 40.033016] FS: 00007fd28d707580(0000) GS:ffff91df3ad00000(0000) knlGS:0000000000000000 [ 40.042055] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 40.048470] CR2: 00007fd28d736000 CR3: 0000000103238002 CR4: 00000000003706e0 [ 40.056438] Call Trace: [ 40.059168] ? lkdtm_EXEC_USERSPACE.cold+0x66/0xae [ 40.064516] ? direct_entry.cold+0x2c/0x38 [ 40.069089] ? full_proxy_write+0x53/0x80 [ 40.073563] ? vfs_write+0xe7/0x3a0 [ 40.077446] ? ksys_write+0x68/0xf0 [ 40.081340] ? do_syscall_64+0x30/0x40 [ 40.085522] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 ing ok execution at ffffffffbc6e4ce0 # [ 36.904580] lkdtm: at[ 40.091374] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 40.124014] CR2: 00007fd28d736000 [ 40.127703] ---[ end trace 7a8cb61385a8de97 ]--- [ 40.132859] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 40.137235] Code: 89 ff e8 ce 62 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 40 5d 92 02 [ 40.158220] RSP: 0018:ffffb05a81437e60 EFLAGS: 00010282 [ 40.164046] RAX: ffffffffbc6e4910 RBX: 0000000000000001 RCX: 0000000000000000 [ 40.172015] RDX: 0000000000000000 RSI: ffff91df3ac1bf70 RDI: ffffffffbd4d1110 [ 40.179983] RBP: ffffffffbd90f8a0 R08: 0000000000000001 R09: 0000000000000001 [ 40.187952] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 40.195921] R13: ffffb05a81437f10 R14: ffffb05a81437f10 R15: ffff91dec4063000 [ 40.203891] FS: 00007fd28d707580(0000) GS:ffff91df3ad00000(0000) knlGS:0000000000000000 [ 40.212930] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 40.219345] CR2: 00007fd28d736000 CR3: 0000000103238002 CR4: 00000000003706e0 tempting bad execution at ffffffffbf00a6a0 # [ 36.917398] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 36.931954] BUG: unable to handle page fault for address: ffffffffbf00a6a0 # [ 36.939632] #PF: supervisor instruction fetch in kernel mode # [ 36.945951] #PF: error_code(0x0011) - permissions violation # [ 36.952173] PGD 161829067 P4D 161829067 PUD 16182a063 PMD 8000000162e000e3 # [ 36.959957] Oops: 0011 [#5] SMP PTI # [ 36.963848] CPU: 0 PID: 1553 Comm: cat Tainted: G D W 5.10.167-cip25 #1 # [ 36.972497] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 36.979303] RIP: 0010:data_area+0x0/0x40 # [ 36.983685] Code: ff ff 00 85 3b c0 de 91 ff ff 00 84 3b c0 de 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 # [ 37.004666] RSP: 0018:ffffb05a821ffe48 EFLAGS: 00010246 # [ 37.010499] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 37.018471] RDX: 0000000000000000 RSI: ffff91df3ac1bf70 RDI: ffff91df3ac1bf70 # [ 37.026440] RBP: ffffffffbf00a6a0 R08: 0000000000000000 R09: 0000000000000000 # [ 37.034423] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 37.042393] R13: ffffb05a821fff10 R14: ffffb05a821fff10 R15: ffff91dec3040000 # [ 37.050372] FS: 00007f[ 40.360496] lkdtm: Performing direct entry EXEC_NULL [ 40.369658] lkdtm: attempting ok execution at ffffffffbc6e4ce0 [ 40.376184] lkdtm: attempting bad execution at 0000000000000000 [ 40.382810] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 40.390593] #PF: supervisor instruction fetch in kernel mode [ 40.396903] #PF: error_code(0x0010) - not-present page [ 40.402639] PGD 0 P4D 0 [ 40.405463] Oops: 0010 [#11] SMP PTI [ 40.409442] CPU: 2 PID: 1769 Comm: cat Tainted: G D W 5.10.167-cip25 #1 [ 40.418089] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 40.424895] RIP: 0010:0x0 [ 40.427818] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. [ 40.435496] RSP: 0018:ffffb05a825c7e48 EFLAGS: 00010246 [ 40.441329] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 40.449298] RDX: 0000000000000000 RSI: ffff91df3ad1bf70 RDI: ffff91df3ad1bf70 [ 40.457267] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 40.465238] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 40.473207] R13: ffffb05a825c7f10 R14: ffffb05a825c7f10 R15: ffff91dec3724000 [ 40.481177] FS: 00007f82a3aaa580(0000) GS:ffff91df3ad00000(0000) knlGS:0000000000000000 [ 40.490208] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 40.496624] CR2: ffffffffffffffd6 CR3: 0000000103e22006 CR4: 00000000003706e0 [ 40.504593] Call Trace: [ 40.507319] execute_location+0x45/0x56 [ 40.511601] direct_entry.cold+0x2c/0x38 [ 40.515981] full_proxy_write+0x53/0x80 [ 40.520263] vfs_write+0xe7/0x3a0 [ 40.523960] ksys_write+0x68/0xf0 [ 40.527649] do_syscall_64+0x30/0x40 [ 40.531628] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 40.537265] RIP: 0033:0x7f82a39c0833 [ 40.541254] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 40.562228] RSP: 002b:00007ffed61a3f28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 40.570682] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f82a39c0833 [ 40.578651] RDX: 000000000000000a RSI: 00007f82a38b3000 RDI: 0000000000000001 [ 40.586620] RBP: 00007f82a38b3000 R08: 00007f82a38b2010 R09: 0000000000000000 [ 40.594588] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 40.602558] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 40.610530] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify ad8e2d3580(0000) GS:ffff91df3ac00000(0000) knlGS:000000000000000[ 40.636982] CR2: 0000000000000000 [ 40.646892] ---[ end trace 7a8cb61385a8de98 ]--- [ 40.652048] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 40.656425] Code: 89 ff e8 ce 62 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 40 5d 92 02 [ 40.677411] RSP: 0018:ffffb05a81437e60 EFLAGS: 00010282 [ 40.683266] RAX: ffffffffbc6e4910 RBX: 0000000000000001 RCX: 0000000000000000 [ 40.691236] RDX: 0000000000000000 RSI: ffff91df3ac1bf70 RDI: ffffffffbd4d1110 [ 40.699206] RBP: ffffffffbd90f8a0 R08: 0000000000000001 R09: 0000000000000001 [ 40.707175] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 40.715144] R13: ffffb05a81437f10 R14: ffffb05a81437f10 R15: ffff91dec4063000 [ 40.723113] FS: 00007f82a3aaa580(0000) GS:ffff91df3ad00000(0000) knlGS:0000000000000000 [ 40.732150] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 40.738565] CR2: ffffffffffffffd6 CR3: 0000000103e22006 CR4: 00000000003706e0 [ 40.746533] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 40.756446] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1769, name: cat [ 40.764900] INFO: lockdep is turned off. [ 40.769276] irq event stamp: 0 [ 40.772683] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 40.779682] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 40.788817] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 40.797954] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 40.804944] CPU: 2 PID: 1769 Comm: cat Tainted: G D W 5.10.167-cip25 #1 [ 40.813590] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 40.820391] Call Trace: [ 40.823118] dump_stack+0x77/0x9b [ 40.826818] ___might_sleep.cold+0xa6/0xb6 [ 40.831390] exit_signals+0x1c/0x2e0 [ 40.835380] do_exit+0xc2/0xaf0 [ 40.838882] ? ksys_write+0x68/0xf0 [ 40.842774] make_task_dead+0x2f/0x30 [ 40.846859] rewind_stack_and_make_dead+0x17/0x20 [ 40.852102] RIP: 0033:0x7f82a39c0833 [ 40.856082] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 40.877063] RSP: 002b:00007ffed61a3f28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 40.885519] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f82a39c0833 [ 40.893489] RDX: 000000000000000a RSI: 00007f82a38b3000 RDI: 0000000000000001 [ 40.901459] RBP: 00007f82a38b3000 R08: 00007f82a38b2010 R09: 0000000000000000 [ 40.909429] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 40.917396] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0 # [ 37.059426] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 37.065840] CR2: ffffffffbf00a6a0 CR3: 000000010372a005 CR4: 00000000003706f0 # [ 37.073809] Call Trace: # [ 37.076536] ? execute_location+0x45/0x56 # [ 37.081018] ? direct_entry.cold+0x2c/0x38 # [ 37.085591] ? full_proxy_write+0x53/0x80 # [ 37.090066] ? vfs_write+0xe7/0x3a0 # [ 37.093956] ? ksys_write+0x68/0xf0 # [ 37.097850] ? do_syscall_64+0x30/0x40 # [ 37.102034] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 37.107863] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 37.134307] CR2: ffffffffbf00a6a0 # [ 37.138005] ---[ end trace 7a8cb61385a8de92 ]--- # [ 37.143161] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 37.147537] Code: 89 ff e8 ce 62 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 40 5d 92 02 # [ 37.168523] RSP: 0018:ffffb05a81437e60 EFLAGS: 00010282 [ 41.042046] lkdtm: Performing direct entry ACCESS_USERSPACE [ 41.049718] lkdtm: attempting bad read at 00007f9c1e96f000 [ 41.055865] BUG: unable to handle page fault for address: 00007f9c1e96f000 [ 41.063551] #PF: supervisor read access in kernel mode [ 41.069290] #PF: error_code(0x0001) - permissions violation #[ [ 37.174372] RAX: ffffffffbc6e4910 RBX: 0000000000000001 RC 41.075511] PGD 80000001015c3067 P4D 80000001015c3067 PUD 103254067 PMD 103d5d067 PTE 10b32a067 [ 41.091451] Oops: 0001 [#12] SMP PTI [ 41.095440] CPU: 2 PID: 1804 Comm: cat Tainted: G D W 5.10.167-cip25 #1 [ 41.104091] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 41.110898] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 [ 41.117120] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 20 52 8b bd e8 3e 96 fd ff 48 c7 c7 48 52 8b bd b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 25 96 fd ff 48 89 ee 48 c7 c7 70 52 8b [ 41.138095] RSP: 0018:ffffb05a82657e48 EFLAGS: 00010246 [ 41.143929] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 [ 41.151888] RDX: 0000000000000000 RSI: ffff91df3ad1bf70 RDI: ffffffffbd8b5248 [ 41.159858] RBP: 00007f9c1e96f000 R08: 0000000000000000 R09: 0000000000000000 [ 41.167827] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 [ 41.175796] R13: ffffb05a82657f10 R14: ffffb05a82657f10 R15: ffff91dec401d000 [ 41.183766] FS: 00007f9c1e940580(0000) GS:ffff91df3ad00000(0000) knlGS:0000000000000000 [ 41.192801] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.199216] CR2: 00007f9c1e96f000 CR3: 0000000103d46005 CR4: 00000000003706e0 [ 41.207184] Call Trace: [ 41.209912] direct_entry.cold+0x2c/0x38 [ 41.214289] full_proxy_write+0x53/0x80 [ 41.218560] vfs_write+0xe7/0x3a0 [ 41.222258] ksys_write+0x68/0xf0 [ 41.225947] do_syscall_64+0x30/0x40 [ 41.229926] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 41.235557] RIP: 0033:0x7f9c1e856833 [ 41.239546] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 41.260529] RSP: 002b:00007fffb63e2688 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 41.268975] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f9c1e856833 [ 41.276944] RDX: 0000000000000011 RSI: 00007f9c1e749000 RDI: 0000000000000001 [ 41.284915] RBP: 00007f9c1e749000 R08: 00007f9c1e748010 R09: 0000000000000000 [ 41.292883] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 41.300851] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 41.308824] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify X: 0000000000000000 # [ 37.182343] RDX: 0000000000000000 RSI:[ 41.335280] CR2: 00007f9c1e96f000 [ 41.345194] ---[ end trace 7a8cb61385a8de99 ]--- [ 41.350365] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 41.354742] Code: 89 ff e8 ce 62 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 40 5d 92 02 [ 41.375720] RSP: 0018:ffffb05a81437e60 EFLAGS: 00010282 [ 41.381553] RAX: ffffffffbc6e4910 RBX: 0000000000000001 RCX: 0000000000000000 [ 41.389523] RDX: 0000000000000000 RSI: ffff91df3ac1bf70 RDI: ffffffffbd4d1110 [ 41.397492] RBP: ffffffffbd90f8a0 R08: 0000000000000001 R09: 0000000000000001 [ 41.405459] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 41.413427] R13: ffffb05a81437f10 R14: ffffb05a81437f10 R15: ffff91dec4063000 [ 41.421394] FS: 00007f9c1e940580(0000) GS:ffff91df3ad00000(0000) knlGS:0000000000000000 [ 41.430432] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.436846] CR2: 00007f9c1e96f000 CR3: 0000000103d46005 CR4: 00000000003706e0 ffff91df3ac1bf70 RDI: ffffffffbd4d1110 # [ 37.190313] RBP: ffffffffbd90f8a0 R08: 0000000000000001 R09: 0000000000000001 # [ 37.198283] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 37.206252] R13: ffffb05a81437f10 R14: ffffb05a81437f10 R15: ffff91dec4063000 # [ 37.214223] FS: 00007fad8e2d3580(0000) GS:ffff91df3ac00000(0000) knlGS:0000000000000000 # [ 37.223260] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 37.229676] CR2: ffffffffbf00a6a0 CR3: 000000010372a005 CR4: 00000000003706f0 # [ 37.237645] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 37.247558] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1553, name: cat # [ 37.256014] INFO: lockdep is turned off. # [ 37.260389] irq event stamp: 0 # [ 37.263796] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 37.270787] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 37.279914] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 37.289048] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 37.296049] CPU: 0 PID: 1553 Comm: cat Tainted: G D W 5.10.167-cip25 #1 # [ 37.304689] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 37.311495] Call Trace: # [ 37.314222] dump_stack+0x77/0x9b # [ 37.317926] [ 41.580257] lkdtm: Performing direct entry ACCESS_NULL [ 41.587364] lkdtm: attempting bad read at 0000000000000000 ___might_sleep.cold+0xa6/0xb6 # [ 37.322506] exit_signals+0x[ 41.593505] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 41.607484] #PF: supervisor read access in kernel mode [ 41.613219] #PF: error_code(0x0000) - not-present page [ 41.618954] PGD 0 P4D 0 [ 41.621769] Oops: 0000 [#13] SMP PTI [ 41.625756] CPU: 3 PID: 1839 Comm: cat Tainted: G D W 5.10.167-cip25 #1 [ 41.634404] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 41.641230] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 [ 41.646479] Code: e2 95 fd ff be 00 10 00 00 48 89 ef e8 2a 22 3c ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 20 52 8b bd e8 bc 95 fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 48 52 8b bd 48 01 [ 41.667459] RSP: 0018:ffffb05a8033fe58 EFLAGS: 00010246 [ 41.673281] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 [ 41.681249] RDX: 0000000000000000 RSI: ffff91df3ad9bf70 RDI: ffff91df3ad9bf70 [ 41.689216] RBP: ffffffffbd8b4311 R08: 0000000000000000 R09: 0000000000000000 [ 41.697183] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 41.705155] R13: ffffb05a8033ff10 R14: ffffb05a8033ff10 R15: ffff91dec32e0000 [ 41.713116] FS: 00007f3dfe89d580(0000) GS:ffff91df3ad80000(0000) knlGS:0000000000000000 [ 41.722153] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.728569] CR2: 0000000000000000 CR3: 0000000103276003 CR4: 00000000003706e0 [ 41.736537] Call Trace: [ 41.739264] direct_entry.cold+0x2c/0x38 [ 41.743643] full_proxy_write+0x53/0x80 [ 41.747923] vfs_write+0xe7/0x3a0 [ 41.751620] ksys_write+0x68/0xf0 [ 41.755319] do_syscall_64+0x30/0x40 [ 41.759306] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 41.764944] RIP: 0033:0x7f3dfe7b3833 [ 41.768931] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 41.789916] RSP: 002b:00007ffdb6047f18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 41.798372] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f3dfe7b3833 [ 41.806341] RDX: 000000000000000c RSI: 00007f3dfe6a6000 RDI: 0000000000000001 [ 41.814309] RBP: 00007f3dfe6a6000 R08: 00007f3dfe6a5010 R09: 0000000000000000 [ 41.822278] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 41.830245] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 41.838217] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 1c/0x2e0 # [ 37.326501] do_exit+0xc2/0xaf0 # [ 37.330005][ 41.864669] CR2: 0000000000000000 [ 41.874578] ---[ end trace 7a8cb61385a8de9a ]--- [ 41.879732] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 41.884108] Code: 89 ff e8 ce 62 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 40 5d 92 02 [ 41.905089] RSP: 0018:ffffb05a81437e60 EFLAGS: 00010282 [ 41.910921] RAX: ffffffffbc6e4910 RBX: 0000000000000001 RCX: 0000000000000000 [ 41.918889] RDX: 0000000000000000 RSI: ffff91df3ac1bf70 RDI: ffffffffbd4d1110 [ 41.926859] RBP: ffffffffbd90f8a0 R08: 0000000000000001 R09: 0000000000000001 [ 41.934829] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 41.942797] R13: ffffb05a81437f10 R14: ffffb05a81437f10 R15: ffff91dec4063000 [ 41.950765] FS: 00007f3dfe89d580(0000) GS:ffff91df3ad80000(0000) knlGS:0000000000000000 [ 41.959803] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.966218] CR2: 0000000000000000 CR3: 0000000103276003 CR4: 00000000003706e0 [ 41.974187] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 41.984099] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1839, name: cat [ 41.992555] INFO: lockdep is turned off. [ 41.996929] irq event stamp: 0 [ 42.000334] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 42.007334] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 42.016468] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 42.025603] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 42.032591] CPU: 3 PID: 1839 Comm: cat Tainted: G D W 5.10.167-cip25 #1 [ 42.041240] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 42.048044] Call Trace: [ 42.050771] dump_stack+0x77/0x9b [ 42.054469] ___might_sleep.cold+0xa6/0xb6 [ 42.059041] exit_signals+0x1c/0x2e0 [ 42.063021] do_exit+0xc2/0xaf0 [ 42.066525] ? ksys_write+0x68/0xf0 [ 42.070424] make_task_dead+0x2f/0x30 [ 42.074510] rewind_stack_and_make_dead+0x17/0x20 [ 42.079761] RIP: 0033:0x7f3dfe7b3833 [ 42.083749] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 42.104723] RSP: 002b:00007ffdb6047f18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 42.113176] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f3dfe7b3833 [ 42.121143] RDX: 000000000000000c RSI: 00007f3dfe6a6000 RDI: 0000000000000001 [ 42.129112] RBP: 00007f3dfe6a6000 R08: 00007f3dfe6a5010 R09: 0000000000000000 [ 42.137079] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 42.145047] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ? ksys_write+0x68/0xf0 # [ 37.333889] make_task_dead+0x2f/0x30 # [ 37.337966] rewind_stack_and_make_dead+0x17/0x20 # [ 37.343218] RIP: 0033:0x7fad8e1e9833 # [ 37.347206] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 37.368195] RSP: 002b:00007ffc107918c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 37.376643] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fad8e1e9833 # [ 37.384614] RDX: 000000000000000a RSI: 00007fad8e0dc000 RDI: 0000000000000001 # [ 37.392586] RBP: 00007fad8e0dc000 R08: 00007fad8e0db010 R09: 0000000000000000 # [ 37.400557] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 37.408528] 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 # [ 37.522708] lkdtm: Performing direct entry EXEC_STACK # [ 37.534085] lkdtm: attempting ok execution at ffffffffbc6e4ce0 # [ 37.546817] lkdtm: attempting bad execution at ffffb05a822d7e18 # [ 42.266662] lkdtm: Performing direct entry WRITE_RO [ 42.276592] lkdtm: attempting bad rodata write at ffffffffbd4d1590 [ 42.283515] BUG: unable to handle page fault for address: ffffffffbd4d1590 [ 42.291201] #PF: supervisor write access in kernel mode [ 42.297037] #PF: error_code(0x0003) - permissions violation [ 42.303251] PGD 161829067 P4D 161829067 PUD 16182a063 PMD 80000001612000e1 [ 37.559625] kernel tried to execute NX-protected page - explo[ 42.311029] Oops: 0003 [#14] SMP PTI [ 42.321231] CPU: 3 PID: 1874 Comm: cat Tainted: G D W 5.10.167-cip25 #1 [ 42.329881] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 42.336689] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a it attempt? (uid: 0) # [ 37.574183] BUG: unable to handle pag[ 42.341648] Code: 00 48 c7 c7 00 51 8b bd 48 c7 c6 90 15 4d bd e8 66 98 fd ff 48 8b 05 c4 bb 78 00 ba 34 12 cd ab 48 c7 c7 30 51 8b bd 48 31 d0 <48> 89 05 ae bb 78 00 e9 44 98 fd ff 0f 1f 44 00 00 48 8b 05 3d a9 [ 42.368843] RSP: 0018:ffffb05a8277fe60 EFLAGS: 00010202 [ 42.374675] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 [ 42.382642] RDX: 00000000abcd1234 RSI: ffff91df3ad9bf70 RDI: ffffffffbd8b5130 [ 42.390613] RBP: ffffffffbd8b431d R08: 0000000000000000 R09: 0000000000000000 [ 42.398579] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 [ 42.406549] R13: ffffb05a8277ff10 R14: ffffb05a8277ff10 R15: ffff91dec3fdc000 [ 42.414519] FS: 00007f0bae6c2580(0000) GS:ffff91df3ad80000(0000) knlGS:0000000000000000 [ 42.423555] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.429971] CR2: ffffffffbd4d1590 CR3: 0000000103e2c001 CR4: 00000000003706e0 [ 42.437938] Call Trace: [ 42.440666] direct_entry.cold+0x2c/0x38 [ 42.445044] full_proxy_write+0x53/0x80 [ 42.449326] vfs_write+0xe7/0x3a0 [ 42.453025] ksys_write+0x68/0xf0 [ 42.456723] do_syscall_64+0x30/0x40 [ 42.460710] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 42.466364] RIP: 0033:0x7f0bae5d8833 e fault for address: ffffb05a822d7e18 # [ 37.581864] #PF: sup[ 42.470360] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 42.497555] RSP: 002b:00007ffe9fc20228 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 42.506009] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f0bae5d8833 [ 42.513978] RDX: 0000000000000009 RSI: 00007f0bae4cb000 RDI: 0000000000000001 [ 42.521945] RBP: 00007f0bae4cb000 R08: 00007f0bae4ca010 R09: 0000000000000000 [ 42.529913] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 42.537880] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 42.545854] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify ervisor instruction fetch in kernel mode # [ 37.588175] #PF: [ 42.572308] CR2: ffffffffbd4d1590 [ 42.582218] ---[ end trace 7a8cb61385a8de9b ]--- [ 42.587378] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 42.591755] Code: 89 ff e8 ce 62 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 40 5d 92 02 [ 42.612728] RSP: 0018:ffffb05a81437e60 EFLAGS: 00010282 [ 42.618561] RAX: ffffffffbc6e4910 RBX: 0000000000000001 RCX: 0000000000000000 [ 42.626529] RDX: 0000000000000000 RSI: ffff91df3ac1bf70 RDI: ffffffffbd4d1110 [ 42.634497] RBP: ffffffffbd90f8a0 R08: 0000000000000001 R09: 0000000000000001 [ 42.642465] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 42.650433] R13: ffffb05a81437f10 R14: ffffb05a81437f10 R15: ffff91dec4063000 [ 42.658417] FS: 00007f0bae6c2580(0000) GS:ffff91df3ad80000(0000) knlGS:0000000000000000 [ 42.667480] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.673894] CR2: ffffffffbd4d1590 CR3: 0000000103e2c001 CR4: 00000000003706e0 error_code(0x0011) - permissions violation # [ 37.594397] PGD 100000067 P4D 100000067 PUD 10020b067 PMD 10279d067 PTE 80000001030ef063 # [ 37.603445] Oops: 0011 [#6] SMP PTI # [ 37.607337] CPU: 0 PID: 1589 Comm: cat Tainted: G D W 5.10.167-cip25 #1 # [ 37.615987] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 37.622794] RIP: 0010:0xffffb05a822d7e18 # [ 37.627163] Code: 00 00 18 7e 2d 82 5a b0 ff ff 9c 59 d4 bc ff ff ff ff 20 00 00 00 00 00 00 00 b6 42 8b bd ff ff ff ff cb 5a d4 bc 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 # [ 37.648142] RSP: 0018:ffffb05a822d7df8 EFLAGS: 00010246 # [ 37.653977] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 37.661947] RDX: 0000000000000000 RSI: ffff91df3ac1bf70 RDI: ffff91df3ac1bf70 # [ 37.669917] RBP: ffffb05a822d7e18 R08: 0000000000000000 R09: 0000000000000000 # [ 37.677889] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 37.685860] R13: ffffb05a822d7f10 R14: ffffb05a822d7f10 R15: ffff91dec4ccd000 # [ 37.693832] FS: 00007f89a198b580(0000) GS:ffff91df3ac00[ 42.789531] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT [ 42.800296] lkdtm: attempting bad ro_after_init write at ffffffffbd930330 [ 42.807905] BUG: unable to handle page fault for address: ffffffffbd930330 [ 42.815591] #PF: supervisor write access in kernel mode [ 42.821426] #PF: error_code(0x0003) - permissions violation 00[0(0000) knlGS:0000000000000000 # [ 37.702873] CS: 0010 DS: 42.827650] PGD 161829067 P4D 161829067 PUD 16182a063 PMD 1049fd063 PTE 8000000161730061 [ 42.842912] Oops: 0003 [#15] SMP PTI [ 42.846904] CPU: 3 PID: 1909 Comm: cat Tainted: G D W 5.10.167-cip25 #1 [ 42.855555] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 42.862376] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a [ 42.868416] Code: 51 8b bd e9 18 98 fd ff 48 c7 c7 88 51 8b bd e8 0c 98 fd ff 48 8b 05 0a a9 be 00 ba 34 12 cd ab 48 c7 c7 30 51 8b bd 48 31 d0 <48> 89 05 f4 a8 be 00 e9 ea 97 fd ff 0f 1f 44 00 00 41 54 48 c7 c7 [ 42.889424] RSP: 0018:ffffb05a82817e60 EFLAGS: 00010202 [ 42.895257] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 [ 42.903225] RDX: 00000000abcd1234 RSI: ffff91df3ad9bf70 RDI: ffffffffbd8b5130 [ 42.911195] RBP: ffffffffbd8b4326 R08: 0000000000000000 R09: 0000000000000000 [ 42.919167] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 [ 42.927134] R13: ffffb05a82817f10 R14: ffffb05a82817f10 R15: ffff91dec3f95000 [ 42.935102] FS: 00007fc8e4da9580(0000) GS:ffff91df3ad80000(0000) knlGS:0000000000000000 [ 42.944142] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.950549] CR2: ffffffffbd930330 CR3: 0000000103efa006 CR4: 00000000003706e0 [ 42.958517] Call Trace: [ 42.961243] direct_entry.cold+0x2c/0x38 [ 42.965613] full_proxy_write+0x53/0x80 [ 42.969895] vfs_write+0xe7/0x3a0 [ 42.973593] ksys_write+0x68/0xf0 [ 42.977290] do_syscall_64+0x30/0x40 [ 42.981277] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 42.986919] RIP: 0033:0x7fc8e4cbf833 [ 42.990907] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 43.011888] RSP: 002b:00007ffec1723228 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 43.020334] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007fc8e4cbf833 [ 43.028303] RDX: 0000000000000014 RSI: 00007fc8e4bb2000 RDI: 0000000000000001 [ 43.036272] RBP: 00007fc8e4bb2000 R08: 00007fc8e4bb1010 R09: 0000000000000000 [ 43.044241] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 43.052210] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 43.060180] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 0000 ES: 0000 CR0: 0000000080050033 # [ 37.709291] CR2: ffff[ 43.086632] CR2: ffffffffbd930330 [ 43.096538] ---[ end trace 7a8cb61385a8de9c ]--- [ 43.101693] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 43.106069] Code: 89 ff e8 ce 62 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 40 5d 92 02 [ 43.127040] RSP: 0018:ffffb05a81437e60 EFLAGS: 00010282 [ 43.132872] RAX: ffffffffbc6e4910 RBX: 0000000000000001 RCX: 0000000000000000 [ 43.140841] RDX: 0000000000000000 RSI: ffff91df3ac1bf70 RDI: ffffffffbd4d1110 [ 43.148810] RBP: ffffffffbd90f8a0 R08: 0000000000000001 R09: 0000000000000001 [ 43.156778] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 43.164747] R13: ffffb05a81437f10 R14: ffffb05a81437f10 R15: ffff91dec4063000 [ 43.172713] FS: 00007fc8e4da9580(0000) GS:ffff91df3ad80000(0000) knlGS:0000000000000000 [ 43.181750] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.188164] CR2: ffffffffbd930330 CR3: 0000000103efa006 CR4: 00000000003706e0 [ 43.196131] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 43.206040] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1909, name: cat [ 43.214492] INFO: lockdep is turned off. [ 43.218868] irq event stamp: 0 [ 43.222272] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 43.229271] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 43.238421] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 43.247555] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 43.254554] CPU: 3 PID: 1909 Comm: cat Tainted: G D W 5.10.167-cip25 #1 [ 43.263192] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 43.269994] Call Trace: [ 43.272722] dump_stack+0x77/0x9b [ 43.276425] ___might_sleep.cold+0xa6/0xb6 [ 43.280997] exit_signals+0x1c/0x2e0 [ 43.284986] do_exit+0xc2/0xaf0 [ 43.288488] ? ksys_write+0x68/0xf0 [ 43.292377] make_task_dead+0x2f/0x30 [ 43.296461] rewind_stack_and_make_dead+0x17/0x20 [ 43.301710] RIP: 0033:0x7fc8e4cbf833 [ 43.305696] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 43.326674] RSP: 002b:00007ffec1723228 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 43.335118] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007fc8e4cbf833 [ 43.343088] RDX: 0000000000000014 RSI: 00007fc8e4bb2000 RDI: 0000000000000001 [ 43.351055] RBP: 00007fc8e4bb2000 R08: 00007fc8e4bb1010 R09: 0000000000000000 [ 43.359022] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 43.366990] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 b05a822d7e18 CR3: 0000000103192005 CR4: 00000000003706f0 # [ 37.717253] Call Trace: # [ 37.719983] ? execute_location+0x45/0x56 # [ 37.724465] ? lkdtm_EXEC_STACK+0x26/0x44 # [ 37.728942] ? direct_entry.cold+0x2c/0x38 # [ 37.733522] ? full_proxy_write+0x53/0x80 # [ 37.738004] ? vfs_write+0xe7/0x3a0 # [ 37.741898] ? ksys_write+0x68/0xf0 # [ 37.745793] ? do_syscall_64+0x30/0x40 # [ 37.749983] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 37.755812] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 37.782263] CR2: ffffb05a822d7e18 # [ 37.785953] ---[ end trace 7a8cb61385a8de93 ]--- # [ 37.791108] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 37.795478] Code: 89 ff e8 ce 62 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 40 5d 92 02 # [ 37.816458] RSP: 0018:ffffb05a81437e60 EFLAGS: 00010282 # [ 37.822293] RAX: ffffffffbc6e4910 RBX: 0000000000000001 RCX: 0000000000000000 # [ 37.830264] RDX: 000000[ 43.498622] lkdtm: Performing direct entry WRITE_KERN 0000000000 RSI: ffff91df3ac1bf70 RDI: ffffffffbd4d1110 # [ 37[ 43.504960] lkdtm: attempting bad 6687846 byte write at ffffffffbcd45946 .838236] RBP: ffffffffbd90f8a0 R08: 0000000000000001 R09: 000000[ 43.518678] BUG: unable to handle page fault for address: ffffffffbcd45946 [ 43.532556] #PF: supervisor write access in kernel mode [ 43.538392] #PF: error_code(0x0003) - permissions violation 00[00000001 # [ 37.846208] R10: 00000000ffffe000 R11: 3fffffff 43.544613] PGD 161829067 P4D 161829067 PUD 16182a063 PMD 160a000e1 [ 43.557929] Oops: 0003 [#16] SMP PTI [ 43.561908] CPU: 1 PID: 1944 Comm: cat Tainted: G D W 5.10.167-cip25 #1 [ 43.570558] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 43.577373] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e ffffffff R12: 0000000000000004 # [ 37.854179] R13: ffffb05a81[ 43.582528] Code: 53 48 c7 c3 46 59 d4 bc 49 89 dc 48 89 da 49 81 ec e0 4c 6e bc 4c 89 e6 e8 bf 97 fd ff 48 89 df 4c 89 e1 48 c7 c6 e0 4c 6e bc a4 48 c7 c7 30 51 8b bd e8 a4 97 fd ff 5b 41 5c e9 b7 fe ff ff [ 43.609719] RSP: 0018:ffffb05a828c7e50 EFLAGS: 00010246 [ 43.615552] RAX: 000000000000003c RBX: ffffffffbcd45946 RCX: 0000000000660c66 [ 43.623521] RDX: 0000000000000000 RSI: ffffffffbc6e4ce0 RDI: ffffffffbcd45946 [ 43.631490] RBP: ffffffffbd8b433a R08: 0000000000000000 R09: 0000000000000000 [ 43.639460] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000660c66 [ 43.647432] R13: ffffb05a828c7f10 R14: ffffb05a828c7f10 R15: ffff91dec3003000 [ 43.655401] FS: 00007f3de1d84580(0000) GS:ffff91df3ac80000(0000) knlGS:0000000000000000 [ 43.664439] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.670854] CR2: ffffffffbcd45946 CR3: 0000000103c9a003 CR4: 00000000003706e0 [ 43.678821] Call Trace: [ 43.681551] direct_entry.cold+0x2c/0x38 437f10 R14: ffffb05a81437f10 R15: ffff91dec4063000 # [ 37.862[ 43.685929] full_proxy_write+0x53/0x80 [ 43.696437] vfs_write+0xe7/0x3a0 151] FS: 00007f89a198b580(0000) GS:ffff91df3ac00000(0000) knlGS[ 43.700134] ksys_write+0x68/0xf0 [ 43.710042] do_syscall_64+0x30/0x40 [ 43.714033] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 43.719663] RIP: 0033:0x7f3de1c9a833 [ 43.723651] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 43.744630] RSP: 002b:00007ffc752e66c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 43.753084] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f3de1c9a833 [ 43.761053] RDX: 000000000000000b RSI: 00007f3de1b8d000 RDI: 0000000000000001 [ 43.769022] RBP: 00007f3de1b8d000 R08: 00007f3de1b8c010 R09: 0000000000000000 [ 43.776988] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 43.784956] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 :0000000000000000 # [ 37.871191] CS: 0010 DS: 0000 ES: 0000 [ 43.792927] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 43.825562] CR2: ffffffffbcd45946 [ 43.829259] ---[ end trace 7a8cb61385a8de9d ]--- [ 43.834434] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 43.838810] Code: 89 ff e8 ce 62 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 40 5d 92 02 [ 43.859788] RSP: 0018:ffffb05a81437e60 EFLAGS: 00010282 [ 43.865620] RAX: ffffffffbc6e4910 RBX: 0000000000000001 RCX: 0000000000000000 [ 43.873587] RDX: 0000000000000000 RSI: ffff91df3ac1bf70 RDI: ffffffffbd4d1110 [ 43.881554] RBP: ffffffffbd90f8a0 R08: 0000000000000001 R09: 0000000000000001 [ 43.889521] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 43.897489] R13: ffffb05a81437f10 R14: ffffb05a81437f10 R15: ffff91dec4063000 [ 43.905458] FS: 00007f3de1d84580(0000) GS:ffff91df3ac80000(0000) knlGS:0000000000000000 [ 43.914492] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.920906] CR2: ffffffffbcd45946 CR3: 0000000103c9a003 CR4: 00000000003706e0 CR0: 0000000080050033 # [ 37.877607] CR2: ffffb05a822d7e18 CR3: 0000000103192005 CR4: 00000000003706f0 # EXEC_STACK: saw 'call trace:': ok ok 31 selftests: lkdtm: EXEC_STACK.sh # selftests: lkdtm: EXEC_KMALLOC.sh # Killed # [ 38.068017] lkdtm: Performing direct entry EXEC_KMALLOC # [ 38.077900] lkdtm: attempting ok execution at ffffffffbc6e4ce0 # [ 38.084431] lkdtm: attempting bad execution at ffff91dec3c44dc0 # [ 38.097269] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 38.105634] BUG: unable to handle page fault for address: ffff91dec3c44dc0 # [ 38.113314] #PF: supervisor instruction fetch in kernel mode # [ 38.119635] #PF: error_code(0x0011) - permissions violation # [ 38.125856] PGD 163001067 P4D 163001067 PUD 10084c063 PMD 105c0f063 PTE 8000000103c44063 # [ 38.134897] Oops: 0011 [#7] SMP PTI # [ 38.138789] CPU: 3 PID: 1625 Comm: cat Tainted: G D W 5.10.167-cip25 #1 # [ 38.147439] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 38.154245] RIP: 0010:0xffff91dec3c44dc0 # [ 38.158623] Code: 00 00 02 00 00 00 00 00 00 00 a0 9a 31 c3 de 91 ff ff 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 bb 24 f0 bb[ 44.041078] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW [ 44.053682] lkdtm: attempting good refcount_inc() without overflow [ 44.060592] lkdtm: attempting bad refcount_inc() overflow [ 44.066628] ------------[ cut here ]------------ [ 44.071782] refcount_t: saturated; leaking memory. [ 44.077161] WARNING: CPU: 3 PID: 1979 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0[ 44.086596] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 44.119227] CPU: 3 PID: 1979 Comm: cat Tainted: G D W 5.10.167-cip25 #1 [ 44.127902] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 44.134710] RIP: 0010:refcount_warn_saturate+0x51/0x110 [ 44.140545] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d c1 ed 93 01 00 75 ee 48 c7 c7 d0 f9 84 bd c6 05 b1 ed 93 01 01 e8 81 a4 95 00 <0f> 0b c3 cc cc cc cc 80 3d 9d ed 93 01 00 75 cb 48 c7 c7 f8 f9 84 [ 44.161529] RSP: 0018:ffffb05a82957e48 EFLAGS: 00010286 [ 44.167374] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 f 1f 44 00 00 55 # [ 38.179599] RSP: 0018:ffffb05a8236fe38 EF[ 44.175348] RDX: ffff91df3adac660 RSI: ffff91df3ad9bf70 RDI: ffff91df3ad9bf70 [ 44.189530] RBP: ffffffffbd8b4345 R08: 0000000000000000 R09: 0000000000000000 LAGS: 00010246 # [ 38.185433] RAX: 0000000000000033 RBX: 0000[ 44.197503] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 000000000001 RCX: 0000000000000000 # [ 38.193419] RDX: 000000[ 44.211691] R13: ffffb05a82957f10 R14: ffffb05a82957f10 R15: ffff91dec3d8c000 0000000000 RSI: ffff91df3ad9bf70 RDI: ffff91df3ad9bf70 # [ 38[ 44.225877] FS: 00007f5b16cdc580(0000) GS:ffff91df3ad80000(0000) knlGS:0000000000000000 [ 44.241134] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.247551] CR2: 00007f5b16ae5000 CR3: 0000000105726003 CR4: 00000000003706e0 [ 44.255523] Call Trace: [ 44.258254] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 [ 44.263636] direct_entry.cold+0x2c/0x38 [ 44.268048] full_proxy_write+0x53/0x80 [ 44.272378] vfs_write+0xe7/0x3a0 .201392] RBP: ffff91dec3c44dc0 R08: 0000000000000000 R09: 000000[ 44.276094] ksys_write+0x68/0xf0 [ 44.286017] do_syscall_64+0x30/0x40 0000000000 # [ 38.209371] R10: 00000000ffffe000 R11: 3fffffff[ 44.290018] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 44.301866] RIP: 0033:0x7f5b16bf2833 [ 44.305856] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 44.326839] RSP: 002b:00007fff4f92b0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 44.335297] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f5b16bf2833 [ 44.343267] RDX: 0000000000000016 RSI: 00007f5b16ae5000 RDI: 0000000000000001 [ 44.351238] RBP: 00007f5b16ae5000 R08: 00007f5b16ae4010 R09: 0000000000000000 [ 44.359208] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 44.367180] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 44.375156] irq event stamp: 0 ffffffff R12: 000000000000000d # [ 38.217342] R13: ffffb05a82[ 44.378589] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 44.391799] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 44.400935] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 44.410070] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 44.417070] ---[ end trace 7a8cb61385a8de9e ]--- [ 44.422225] lkdtm: Overflow detected: saturated 36ff10 R14: ffffb05a8236ff10 R15: ffff91dec15ce000 # [ 38.225311] FS: 00007f458108b580(0000) GS:ffff91df3ad80000(0000) knlGS:0000000000000000 # [ 38.234372] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 38.240789] CR2: ffff91dec3c44dc0 CR3: 000000010302e003 CR4: 00000000003706e0 # [ 38.248759] Call Trace: # [ 38.251488] ? execute_location+0x45/0x56 # [ 38.255965] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 # [ 38.260634] ? direct_entry.cold+0x2c/0x38 # [ 38.265199] ? full_proxy_write+0x53/0x80 # [ 38.269675] ? vfs_write+0xe7/0x3a0 # [ 38.273567] ? ksys_write+0x68/0xf0 # [ 38.277459] ? do_syscall_64+0x30/0x40 # [ 38.281633] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 38.287470] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 38.313927] CR2: ffff91dec3c44dc0 # [ 38.323841] ---[ end trace 7a8cb61385a8de94 ]--- # [ [ 44.529132] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW 38.328994] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 38.333372] Code[ 44.539704] lkdtm: attempting good refcount_add() without overflow : 89 ff e8 ce 62 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff[ 44.552825] lkdtm: attempting bad refcount_add() overflow ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 [ 44.565050] ------------[ cut here ]------------ <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 40 5d 92[ 44.576419] refcount_t: saturated; leaking memory. 02 # [ 38.354369] RSP: 0018:ffffb05a81437e60 EFLAGS: 0001028[ 44.588014] WARNING: CPU: 1 PID: 2011 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 2 # [ 38.360203] RAX: ffffffffbc6e4910 RBX: 0000000000000001 [ 44.603627] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify RCX: 0000000000000000 # [ 38.368173] RDX: 0000000000000000 RS[ 44.636287] CPU: 1 PID: 2011 Comm: cat Tainted: G D W 5.10.167-cip25 #1 I: ffff91df3ac1bf70 RDI: ffffffffbd4d1110 # [ 38.376144] RBP:[ 44.651130] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 ffffffffbd90f8a0 R08: 0000000000000001 R09: 0000000000000001 #[ 44.664149] RIP: 0010:refcount_warn_saturate+0x51/0x110 [ 44.676201] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d c1 ed 93 01 00 75 ee 48 c7 c7 d0 f9 84 bd c6 05 b1 ed 93 01 01 e8 81 a4 95 00 <0f> 0b c3 cc cc cc cc 80 3d 9d ed 93 01 00 75 cb 48 c7 c7 f8 f9 84 [ 38.384112] R10: 00000000ffffe000 R11: 3fffffffffffffff R12:[ 44.697185] RSP: 0018:ffffb05a829d7e48 EFLAGS: 00010286 [ 44.709229] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 0000000000000004 # [ 38.392084] R13: ffffb05a81437f10 R14: f[ 44.717202] RDX: ffff91df3acac660 RSI: ffff91df3ac9bf70 RDI: ffff91df3ac9bf70 [ 44.731383] RBP: ffffffffbd8b435b R08: 0000000000000000 R09: 0000000000000000 fffb05a81437f10 R15: ffff91dec4063000 # [ 38.400054] FS: 000[ 44.739375] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 [ 44.753554] R13: ffffb05a829d7f10 R14: ffffb05a829d7f10 R15: ffff91dec4d84000 07f458108b580(0000) GS:ffff91df3ad80000(0000) knlGS:000000000000[ 44.761530] FS: 00007f7ef6a56580(0000) GS:ffff91df3ac80000(0000) knlGS:0000000000000000 [ 44.776776] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 0000 # [ 38.409093] CS: 0010 DS: 0000 ES: 0000 CR0: 00000000[ 44.783196] CR2: 00007f7ef685f000 CR3: 0000000103c84002 CR4: 00000000003706e0 [ 44.797377] Call Trace: 80050033 # [ 38.415509] CR2: ffff91dec3c44dc0 CR3: 0000000103[ 44.800109] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 02e003 CR4: 00000000003706e0 # EXEC_KMALLOC: saw 'call trace:':[ 44.811667] direct_entry.cold+0x2c/0x38 ok ok 32 selftests: lkdtm: EXEC_KMALLOC.sh # selftests: lkdtm[ 44.822262] full_proxy_write+0x53/0x80 : EXEC_VMALLOC.sh # Killed # [ 38.553001] lkdtm: Performing [ 44.832757] vfs_write+0xe7/0x3a0 direct entry EXEC_VMALLOC # [ 38.559883] lkdtm: attempting ok[ 44.842675] ksys_write+0x68/0xf0 execution at ffffffffbc6e4ce0 # [ 38.566404] lkdtm: attempti[ 44.852591] do_syscall_64+0x30/0x40 ng bad execution at ffffb05a80361000 # [ 38.573031] kernel tr[ 44.862795] entry_SYSCALL_64_after_hwframe+0x61/0xc6 ied to execute NX-protected page - exploit attempt? (uid: 0) # [ 44.874649] RIP: 0033:0x7f7ef696c833 [ 44.884854] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 38.581397] BUG: unable to handle page fault for address: fff[ 44.905837] RSP: 002b:00007ffdadcc0888 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 44.920503] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f7ef696c833 fb05a80361000 # [ 38.589067] #PF: supervisor instruction fetc[ 44.928477] RDX: 0000000000000016 RSI: 00007f7ef685f000 RDI: 0000000000000001 [ 44.942657] RBP: 00007f7ef685f000 R08: 00007f7ef685e010 R09: 0000000000000000 h in kernel mode # [ 38.595388] #PF: error_code(0x0011) - per[ 44.950630] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 44.964810] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 missions violation # [ 38.601610] PGD 100000067 P4D 100000067[ 44.972803] irq event stamp: 0 PUD 10020b067 PMD 10093e067 PTE 8000000103be6063 # [ 38.6106[ 44.982436] hardirqs last enabled at (0): [<0000000000000000>] 0x0 50] Oops: 0011 [#8] SMP PTI # [ 38.614542] CPU: 3 PID: 1661 C[ 44.995656] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 45.011008] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 omm: cat Tainted: G D W 5.10.167-cip25 #1 # [ 38[ 45.020147] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 45.033376] ---[ end trace 7a8cb61385a8de9f ]--- .623191] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 45.038532] lkdtm: Overflow detected: saturated # [ 38.629997] RIP: 0010:0xffffb05a80361000 # [ 38.634377] Code: Unable to access opcode bytes at RIP 0xffffb05a80360fd6. # [ 38.642056] RSP: 0018:ffffb05a82427e38 EFLAGS: 00010246 # [ 38.647889] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 38.655861] RDX: 0000000000000000 RSI: ffff91df3ad9bf70 RDI: ffff91df3ad9bf70 # [ 38.663831] RBP: ffffb05a80361000 R08: 0000000000000000 R09: 0000000000000000 # [ 38.671801] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 38.679769] R13: ffffb05a82427f10 R14: ffffb05a82427f10 R15: ffff91dec3be6000 # [ 38.687740] FS: 00007ffbb5fc5580(0000) GS:ffff91df3ad80000(0000) knlGS:0000000000000000 # [ 38.696779] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 38.703195] CR2: ffffb05a80360fd6 CR3: 0000000104000004 CR4: 00000000003706e0 # [ 38.711165] Call Trace: # [ 38.713894] ? execute_location+0x45/0x56 # [ 38.718378] ? lkdtm_EXEC_VMALLOC+0x20/0x30 # [ 38.723048] ? direct_entry.cold+0x2c/0x38 # [ 38.727621] ? full_proxy_write+0x53/0x80 # [ [ 45.154116] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW [ 45.163045] lkdtm: attempting bad refcount_inc_not_zero() overflow 38.732095] ? vfs_write+0xe7/0x3a0 # [ 38.735987] ? ksys_wri[ 45.169976] ------------[ cut here ]------------ te+0x68/0xf0 # [ 38.739880] ? do_syscall_64+0x30/0x40 # [ [ 45.181349] refcount_t: saturated; leaking memory. [ 45.192935] WARNING: CPU: 3 PID: 2043 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 38.744063] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 3[ 45.202369] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 45.235025] CPU: 3 PID: 2043 Comm: cat Tainted: G D W 5.10.167-cip25 #1 8.749898] Modules linked in: fuse ip_tables cros_ec_sensors cros[ 45.243686] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 45.256701] RIP: 0010:refcount_warn_saturate+0x97/0x110 [ 45.262537] Code: 01 01 e8 5e a4 95 00 0f 0b c3 cc cc cc cc 80 3d 7c ed 93 01 00 75 a8 48 c7 c7 d0 f9 84 bd c6 05 6c ed 93 01 01 e8 3b a4 95 00 <0f> 0b c3 cc cc cc cc 80 3d 56 ed 93 01 00 75 85 48 c7 c7 28 fa 84 [ 45.283519] RSP: 0018:ffffb05a82a07e38 EFLAGS: 00010282 [ 45.289375] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 _ec_sensors_core industrialio_triggered_buffer kfifo_buf industr[ 45.297349] RDX: ffff91df3adac660 RSI: ffff91df3ad9bf70 RDI: ffff91df3ad9bf70 [ 45.311528] RBP: ffffffffbd8b3f98 R08: 0000000000000000 R09: 0000000000000000 [ 45.319500] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 45.327473] R13: ffffb05a82a07f10 R14: ffffb05a82a07f10 R15: ffff91dec3efa000 [ 45.335444] FS: 00007f8352cfd580(0000) GS:ffff91df3ad80000(0000) knlGS:0000000000000000 [ 45.344486] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.350904] CR2: 00007f8352b06000 CR3: 000000010318a004 CR4: 00000000003706e0 [ 45.358875] Call Trace: [ 45.361605] __refcount_add_not_zero.constprop.0+0x2a/0x35 [ 45.367755] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 [ 45.374006] direct_entry.cold+0x2c/0x38 [ 45.378429] full_proxy_write+0x53/0x80 [ 45.382743] vfs_write+0xe7/0x3a0 [ 45.386469] ksys_write+0x68/0xf0 [ 45.390171] do_syscall_64+0x30/0x40 [ 45.394195] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 45.399862] RIP: 0033:0x7f8352c13833 [ 45.403854] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 45.424838] RSP: 002b:00007fff360a1438 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 45.433296] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f8352c13833 [ 45.441268] RDX: 000000000000001f RSI: 00007f8352b06000 RDI: 0000000000000001 ialio cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs cros_ec_li[ 45.449242] RBP: 00007f8352b06000 R08: 00007f8352b05010 R09: 0000000000000000 ghtbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usb[ 45.463428] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 45.477617] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 45.485596] irq event stamp: 0 pd_notify # [ 38.776353] CR2: ffffb05a80361000 # [ 38.7862[ 45.489030] hardirqs last enabled at (0): [<0000000000000000>] 0x0 63] ---[ end trace 7a8cb61385a8de95 ]--- # [ 38.791427] RIP: [ 45.502243] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 0010:lkdtm_BUG+0x5/0x10 # [ 38.795803] Code: 89 ff e8 ce 62 a[ 45.517594] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc[ 45.532948] softirqs last disabled at (0): [<0000000000000000>] 0x0 cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 8[ 45.546164] ---[ end trace 7a8cb61385a8dea0 ]--- 4 00 00 00 00 00 0f 1f 44 00 00 83 05 40 5d 92 02 # [ 38.8167[ 45.557536] lkdtm: Overflow detected: saturated 84] RSP: 0018:ffffb05a81437e60 EFLAGS: 00010282 # [ 38.822617] RAX: ffffffffbc6e4910 RBX: 0000000000000001 RCX: 0000000000000000 # [ 38.830586] RDX: 0000000000000000 RSI: ffff91df3ac1bf70 RDI: ffffffffbd4d1110 # [ 38.838557] RBP: ffffffffbd90f8a0 R08: 0000000000000001 R09: 0000000000000001 # [ 38.846527] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 38.854494] R13: ffffb05a81437f10 R14: ffffb05a81437f10 R15: ffff91dec4063000 # [ 38.862465] FS: 00007ffbb5fc5580(0000) GS:ffff91df3ad80000(0000) knlGS:0000000000000000 # [ 38.871495] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 38.877910] CR2: ffffb05a80360fd6 CR3: 0000000104000004 CR4: 00000000003706e0 # [ 38.885881] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 38.895793] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1661, name: cat # [ 38.904249] INFO: lockdep is turned off. # [ 38.908626] irq event stamp: 0 # [ 38.912029] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 38.919029] hard[ 45.672223] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW [ 45.682056] lkdtm: attempting bad refcount_add_not_zero() overflow [ 45.688962] ------------[ cut here ]------------ [ 45.694119] refcount_t: saturated; leaking memory. [ 45.699497] WARNING: CPU: 3 PID: 2075 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 irqs last disabled at (0): [] copy_process+0x6[ 45.708932] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 45.741564] CPU: 3 PID: 2075 Comm: cat Tainted: G D W 5.10.167-cip25 #1 64/0x1cb0 # [ 38.928167] softirqs last enabled at (0): [ 0b c3 cc cc cc cc 80 3d 56 ed 93 01 00 75 85 48 c7 c7 28 fa 84 [ 45.790114] RSP: 0018:ffffb05a82aefe38 EFLAGS: 00010282 [ 45.795951] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 [ 45.803945] RDX: ffff91df3adac660 RSI: ffff91df3ad9bf70 RDI: ffff91df3ad9bf70 fffffbbf00cb4>] copy_process+0x664/0x1cb0 # [ 38.937292] soft[ 45.811919] RBP: ffffffffbd8b3fb8 R08: 0000000000000000 R09: 0000000000000000 [ 45.826097] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 45.834068] R13: ffffb05a82aeff10 R14: ffffb05a82aeff10 R15: ffff91dec2774000 [ 45.842040] FS: 00007f597e194580(0000) GS:ffff91df3ad80000(0000) knlGS:0000000000000000 [ 45.851079] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.857496] CR2: 00007f597df9d000 CR3: 0000000103be4002 CR4: 00000000003706e0 [ 45.865466] Call Trace: [ 45.868197] __refcount_add_not_zero.constprop.0+0x2a/0x35 [ 45.874366] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 irqs last disabled at (0): [<0000000000000000>] 0x0 # [ 38.94[ 45.880601] direct_entry.cold+0x2c/0x38 [ 45.891190] full_proxy_write+0x53/0x80 [ 45.895497] vfs_write+0xe7/0x3a0 [ 45.899221] ksys_write+0x68/0xf0 [ 45.902923] do_syscall_64+0x30/0x40 [ 45.906939] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 45.912580] RIP: 0033:0x7f597e0aa833 [ 45.916570] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 45.937551] RSP: 002b:00007fffa44c8178 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 45.946008] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f597e0aa833 [ 45.953981] RDX: 000000000000001f RSI: 00007f597df9d000 RDI: 0000000000000001 [ 45.961951] RBP: 00007f597df9d000 R08: 00007f597df9c010 R09: 0000000000000000 [ 45.969921] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 45.977892] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 45.985867] irq event stamp: 0 4291] CPU: 3 PID: 1661 Comm: cat Tainted: G D W 5.1[ 45.989300] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 46.002511] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 46.011648] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 0.167-cip25 #1 # [ 38.952940] Hardware name: Google Rammus/Ra[ 46.020788] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 46.034003] ---[ end trace 7a8cb61385a8dea1 ]--- mmus, BIOS 09/04/2020 # [ 38.959743] Call Trace: # [ 38.9[ 46.039158] lkdtm: Overflow detected: saturated 62472] dump_stack+0x77/0x9b # [ 38.966173] ___might_sleep.cold+0xa6/0xb6 # [ 38.970744] exit_signals+0x1c/0x2e0 # [ 38.974732] do_exit+0xc2/0xaf0 # [ 38.978227] ? ksys_write+0x68/0xf0 # [ 38.982120] make_task_dead+0x2f/0x30 # [ 38.986208] rewind_stack_and_make_dead+0x17/0x20 # [ 38.991450] RIP: 0033:0x7ffbb5edb833 # [ 38.995438] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 39.016426] RSP: 002b:00007fffc8d3d898 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 39.024881] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007ffbb5edb833 # [ 39.032851] RDX: 000000000000000d RSI: 00007ffbb5dce000 RDI: 0000000000000001 # [ 39.040824] RBP: 00007ffbb5dce000 R08: 00007ffbb5dcd010 R09: 0000000000000000 # [ 39.048793] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 39.056762] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_VMALLOC: saw 'call trace:': ok ok 33 selftests: lkdtm: EXEC_VMALLOC.sh # selftests: lkdtm: EXEC_RODATA.sh # Killed # [ 39.176705] l[ 46.162415] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO [ 46.174926] lkdtm: attempting good refcount_dec() [ 46.180214] lkdtm: attempting bad refcount_dec() to zero [ 46.186183] ------------[ cut here ]------------ [ 46.191347] refcount_t: decrement hit 0; leaking memory. [ 46.197310] WARNING: CPU: 3 PID: 2107 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 kdtm: Performing direct entry EXEC_RODATA # [ 39.188648] lkdt[ 46.206749] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 46.239383] CPU: 3 PID: 2107 Comm: cat Tainted: G D W 5.10.167-cip25 #1 [ 46.248040] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 46.254848] RIP: 0010:refcount_warn_saturate+0xfb/0x110 [ 46.260717] Code: 80 fa 84 bd c6 05 1d ed 93 01 01 e8 f1 a3 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 50 fa 84 bd c6 05 04 ed 93 01 01 e8 d7 a3 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b [ 46.281702] RSP: 0018:ffffb05a82b7fe48 EFLAGS: 00010286 [ 46.287569] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 [ 46.295541] RDX: ffff91df3adac660 RSI: ffff91df3ad9bf70 RDI: ffff91df3ad9bf70 [ 46.303514] RBP: ffffffffbd8b4371 R08: 0000000000000000 R09: 0000000000000000 m: attempting ok execution at ffffffffbc6e4ce0 # [ 39.201389][ 46.311488] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 lkdtm: attempting bad execution at ffffffffbd4d15a0 # [ 39.2[ 46.325676] R13: ffffb05a82b7ff10 R14: ffffb05a82b7ff10 R15: ffff91dec3d0b000 [ 46.339861] FS: 00007fee91588580(0000) GS:ffff91df3ad80000(0000) knlGS:0000000000000000 [ 46.348901] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.355318] CR2: 00007fee91391000 CR3: 0000000103144006 CR4: 00000000003706e0 [ 46.363290] Call Trace: [ 46.366044] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd 14211] kernel tried to execute NX-protected page - exploit attem[ 46.371021] direct_entry.cold+0x2c/0x38 [ 46.381603] full_proxy_write+0x53/0x80 [ 46.385886] vfs_write+0xe7/0x3a0 [ 46.389609] ksys_write+0x68/0xf0 [ 46.393309] do_syscall_64+0x30/0x40 [ 46.397323] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 46.402964] RIP: 0033:0x7fee9149e833 [ 46.406954] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 46.427937] RSP: 002b:00007ffef5618778 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 46.436395] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fee9149e833 [ 46.444377] RDX: 0000000000000012 RSI: 00007fee91391000 RDI: 0000000000000001 pt? (uid: 0) # [ 39.228783] BUG: unable to handle page fault [ 46.452351] RBP: 00007fee91391000 R08: 00007fee91390010 R09: 0000000000000000 for address: ffffffffbd4d15a0 # [ 39.236463] #PF: supervisor [ 46.466534] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 46.480721] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 46.488697] irq event stamp: 0 [ 46.492133] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 46.499135] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 46.508272] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 46.517424] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 46.524426] ---[ end trace 7a8cb61385a8dea2 ]--- [ 46.529581] lkdtm: Zero detected: saturated instruction fetch in kernel mode # [ 39.242782] #PF: error_code(0x0011) - permissions violation # [ 39.249005] PGD 161829067 P4D 161829067 PUD 16182a063 PMD 80000001612000e1 # [ 39.256785] Oops: 0011 [#9] SMP PTI # [ 39.266893] CPU: 1 PID: 1697 Comm: cat Tainted: G D W 5.10.167-cip25 #1 # [ 39.275542] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 39.282375] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 # [ 39.288114] Code: ff ff 3b 6f d4 bc ff ff ff ff 02 45 8b bd ff ff ff ff 81 56 d4 bc 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 # [ 39.315308] RSP: 0018:ffffb05a8246fe48 EFLAGS: 00010246 # [ 39.321141] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 39.329110] RDX: 0000000000000000 RSI: ffff91df3ac9bf70 RDI: ffff91df3ac9bf70 # [ 39.337080] RBP: ffffffffbd4d15a0 R08: 0000000000000000 R09: 0000000000000000 # [ 39.345048] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 39.353018] R13: ffffb05a8246ff10 R14: ffffb05a8246ff10 R15: ffff91dec3245000 # [ [ 46.643014] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE [ 46.652869] lkdtm: attempting bad refcount_dec() below zero [ 46.659126] ------------[ cut here ]------------ 39.360989] FS: 00007f32a1844580(0000) GS:ffff91df3ac80000(000[ 46.664309] refcount_t: decrement hit 0; leaking memory. [ 46.676488] WARNING: CPU: 3 PID: 2142 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 0) knlGS:0000000000000000 # [ 39.370025] CS: 0010 DS: 0000 E[ 46.685926] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 46.718580] CPU: 3 PID: 2142 Comm: cat Tainted: G D W 5.10.167-cip25 #1 S: 0000 CR0: 0000000080050033 # [ 39.376439] CR2: ffffffffbd4[ 46.727248] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 46.740259] RIP: 0010:refcount_warn_saturate+0xfb/0x110 [ 46.746126] Code: 80 fa 84 bd c6 05 1d ed 93 01 01 e8 f1 a3 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 50 fa 84 bd c6 05 04 ed 93 01 01 e8 d7 a3 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b [ 46.767133] RSP: 0018:ffffb05a82befe48 EFLAGS: 00010286 [ 46.773000] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 [ 46.780974] RDX: ffff91df3adac660 RSI: ffff91df3ad9bf70 RDI: ffff91df3ad9bf70 [ 46.788976] RBP: ffffffffbd8b4383 R08: 0000000000000000 R09: 0000000000000000 [ 46.796949] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 [ 46.804921] R13: ffffb05a82beff10 R14: ffffb05a82beff10 R15: ffff91dec27ff000 [ 46.812895] FS: 00007fbefd8e7580(0000) GS:ffff91df3ad80000(0000) knlGS:0000000000000000 [ 46.821934] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.828378] CR2: 00007fbefd6f0000 CR3: 0000000103024002 CR4: 00000000003706e0 d15a0 CR3: 0000000104c8a005 CR4: 00000000003706e0 # [ 39.3844[ 46.836357] Call Trace: [ 46.845297] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 [ 46.850682] direct_entry.cold+0x2c/0x38 [ 46.855098] full_proxy_write+0x53/0x80 [ 46.859428] vfs_write+0xe7/0x3a0 [ 46.863162] ksys_write+0x68/0xf0 [ 46.866894] do_syscall_64+0x30/0x40 [ 46.870918] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 46.876592] RIP: 0033:0x7fbefd7fd833 [ 46.880584] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 46.901600] RSP: 002b:00007fff76cee8c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 46.910060] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fbefd7fd833 [ 46.918031] RDX: 0000000000000016 RSI: 00007fbefd6f0000 RDI: 0000000000000001 [ 46.926003] RBP: 00007fbefd6f0000 R08: 00007fbefd6ef010 R09: 0000000000000000 [ 46.933976] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 25] Call Trace: # [ 39.387155] ? execute_location+0x45/0x56 [ 46.941951] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 39.391632] ? direct_entry.cold+0x2c/0x38 # [ 39.40242[ 46.956144] irq event stamp: 0 [ 46.965765] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 46.972797] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 46.981937] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 46.991075] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 46.998078] ---[ end trace 7a8cb61385a8dea3 ]--- [ 47.003233] lkdtm: Negative detected: saturated 6] ? full_proxy_write+0x53/0x80 # [ 39.406903] ? vfs_write+0xe7/0x3a0 # [ 39.417006] ? ksys_write+0x68/0xf0 # [ 39.420898] ? do_syscall_64+0x30/0x40 # [ 39.425082] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 39.437132] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 39.469763] CR2: ffffffffbd4d15a0 # [ 39.473460] ---[ end trace 7a8cb61385a8de96 ]--- # [ 39.478605] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 39.482981] Code: 89 ff e8 ce 62 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 40 5d 92 02 # [ 39.503961] RSP: 0018:ffffb05a81437e60 EFLAGS: 00010282 # [ 39.509796] RAX: ffffffffbc6e4910 RBX: 0000000000000001 RCX: 0000000000000000 # [ 39.517758] RDX: 0000000000000000 RSI: ffff91df3ac1bf70 RDI: ffffffffbd4d1110 # [ 39.525727] RBP: ffffffffbd90f8a0 R08: 0000000000000001 R09: 0000000000000001 # [ 39.533695] R10: 00000000ffffe000 R11:[ 47.121054] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE [ 47.134004] lkdtm: attempting bad refcount_dec_and_test() below zero 3fffffffffffffff R12: 0000000000000004 # [ 39.541663] R13: f[ 47.141114] ------------[ cut here ]------------ [ 47.152483] refcount_t: underflow; use-after-free. [ 47.157862] WARNING: CPU: 3 PID: 2177 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 fffb05a81437f10 R14: ffffb05a81437f10 R15: ffff91dec4063000 # [[ 47.167296] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 47.199928] CPU: 3 PID: 2177 Comm: cat Tainted: G D W 5.10.167-cip25 #1 [ 47.208580] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 47.215388] RIP: 0010:refcount_warn_saturate+0xba/0x110 39.549630] FS: 00007f32a1844580(0000) GS:ffff91df3ac80000(00[ 47.221225] Code: 01 01 e8 3b a4 95 00 0f 0b c3 cc cc cc cc 80 3d 56 ed 93 01 00 75 85 48 c7 c7 28 fa 84 bd c6 05 46 ed 93 01 01 e8 18 a4 95 00 <0f> 0b c3 cc cc cc cc 80 3d 31 ed 93 01 00 0f 85 5e ff ff ff 48 c7 [ 47.248429] RSP: 0018:ffffb05a82c4fe40 EFLAGS: 00010286 [ 47.254296] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 [ 47.262269] RDX: ffff91df3adac660 RSI: ffff91df3ad9bf70 RDI: ffff91df3ad9bf70 [ 47.270240] RBP: ffffffffbd8b3fd8 R08: 0000000000000000 R09: 0000000000000000 [ 47.278234] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f 00) knlGS:0000000000000000 # [ 39.558666] CS: 0010 DS: 0000 [ 47.286219] R13: ffffb05a82c4ff10 R14: ffffb05a82c4ff10 R15: ffff91dec3d04000 [ 47.300395] FS: 00007f329eeb9580(0000) GS:ffff91df3ad80000(0000) knlGS:0000000000000000 [ 47.309436] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.315852] CR2: 00007f329ecc2000 CR3: 000000010318c001 CR4: 00000000003706e0 [ 47.323824] Call Trace: [ 47.326555] __refcount_sub_and_test.constprop.0+0x3c/0x50 [ 47.332712] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 [ 47.338938] direct_entry.cold+0x2c/0x38 [ 47.343343] full_proxy_write+0x53/0x80 [ 47.347628] vfs_write+0xe7/0x3a0 [ 47.351376] ksys_write+0x68/0xf0 ES: 0000 CR0: 0000000080050033 # [ 39.565081] CR2: ffffffffbd[ 47.355078] do_syscall_64+0x30/0x40 4d15a0 CR3: 0000000104c8a005 CR4: 00000000003706e0 # [ 39.573[ 47.365275] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 47.377132] RIP: 0033:0x7f329edcf833 [ 47.381122] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 47.402104] RSP: 002b:00007ffe0f06dc08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 47.410560] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f329edcf833 [ 47.418532] RDX: 000000000000001f RSI: 00007f329ecc2000 RDI: 0000000000000001 [ 47.426503] RBP: 00007f329ecc2000 R08: 00007f329ecc1010 R09: 0000000000000000 [ 47.434473] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 47.442443] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 47.450436] irq event stamp: 0 [ 47.453874] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 47.460875] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 47.470011] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 47.479147] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 47.486145] ---[ end trace 7a8cb61385a8dea4 ]--- 042] BUG: sleeping function called from invalid context at inclu[ 47.491301] lkdtm: Negative detected: saturated de/linux/percpu-rwsem.h:49 # [ 39.582953] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1697, name: cat # [ 39.591423] INFO: lockdep is turned off. # [ 39.595797] irq event stamp: 0 # [ 39.599203] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 39.606202] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 39.615326] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 39.624459] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 39.631455] CPU: 1 PID: 1697 Comm: cat Tainted: G D W 5.10.167-cip25 #1 # [ 39.640102] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 39.646903] Call Trace: # [ 39.649631] dump_stack+0x77/0x9b # [ 39.653329] ___might_sleep.cold+0xa6/0xb6 # [ 39.664111] exit_signals+0x1c/0x2e0 # [ 39.668101] do_exit+0xc2/0xaf0 # [ 39.671605] ? ksys_write+0x68/0xf0 # [ 39.675497] make_task_dead+0x2f/0x30 # [ 39.679582] rewind_stack_and_make_dead+0x17/0x20 # [ 39.684823] RIP: 0033:0x7f32a175a833 # [ 39.688813] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 39.709795] RSP: 002b:00007ffcfd[ 47.630316] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE 1733f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 39.718[ 47.640709] lkdtm: attempting bad refcount_sub_and_test() below zero 249] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f32a1[ 47.654029] ------------[ cut here ]------------ 75a833 # [ 39.726215] RDX: 000000000000000c RSI: 00007f32a164[ 47.665391] refcount_t: underflow; use-after-free. d000 RDI: 0000000000000001 # [ 39.734182] RBP: 00007f32a164d0[ 47.676974] WARNING: CPU: 1 PID: 2212 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 00 R08: 00007f32a164c010 R09: 0000000000000000 # [ 39.742149][ 47.692608] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify R10: fffffffffffffbc5 R11: 0000000000000246 R12: 00000000000000[ 47.725248] CPU: 1 PID: 2212 Comm: cat Tainted: G D W 5.10.167-cip25 #1 01 # [ 39.750117] R13: 0000000000000001 R14: 0000000000020000[ 47.740115] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 R15: 0000000000020000 # EXEC_RODATA: saw 'call trace:': ok ok[ 47.753140] RIP: 0010:refcount_warn_saturate+0xba/0x110 34 selftests: lkdtm: EXEC_RODATA.sh # selftests: lkdtm: EXEC_U[ 47.765191] Code: 01 01 e8 3b a4 95 00 0f 0b c3 cc cc cc cc 80 3d 56 ed 93 01 00 75 85 48 c7 c7 28 fa 84 bd c6 05 46 ed 93 01 01 e8 18 a4 95 00 <0f> 0b c3 cc cc cc cc 80 3d 31 ed 93 01 00 0f 85 5e ff ff ff 48 c7 SERSPACE.sh # Killed # [ 39.871646] lkdtm: Performing direct[ 47.792395] RSP: 0018:ffffb05a82cd7e40 EFLAGS: 00010286 entry EXEC_USERSPACE # [ 39.882224] lkdtm: attempting ok exe[ 47.804445] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 cution at ffffffffbc6e4ce0 # [ 39.888754] lkdtm: attempting b[ 47.818634] RDX: ffff91df3acac660 RSI: ffff91df3ac9bf70 RDI: ffff91df3ac9bf70 ad execution at 00007fd28d736000 # [ 39.901593] unable to exe[ 47.832826] RBP: ffffffffbd8b3ff8 R08: 0000000000000000 R09: 0000000000000000 cute userspace code (SMEP?) (uid: 0) # [ 39.908015] BUG: unab[ 47.847013] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f le to handle page fault for address: 00007fd28d736000 # [ 39.[ 47.861202] R13: ffffb05a82cd7f10 R14: ffffb05a82cd7f10 R15: ffff91dec5643000 921911] #PF: supervisor instruction fetch in kernel mode # [ [ 47.875392] FS: 00007fade67bb580(0000) GS:ffff91df3ac80000(0000) knlGS:0000000000000000 39.928231] #PF: error_code(0x0011) - permissions violation # [ [ 47.890647] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 39.934454] PGD 8000000104e3a067 P4D 8000000104e3a067 PUD 10317[ 47.903282] CR2: 00007fade65c4000 CR3: 0000000103024006 CR4: 00000000003706e0 0067 PMD 103274067 PTE 10a762067 # [ 39.950395] Oops: 0011 [#[ 47.917469] Call Trace: 10] SMP PTI # [ 39.954385] CPU: 2 PID: 1733 Comm: cat Tainted[ 47.926419] __refcount_sub_and_test.constprop.0+0x3c/0x50 : G D W 5.10.167-cip25 #1 # [ 39.963037] Hardwar[ 47.938762] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b e name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 39.969844][ 47.951206] direct_entry.cold+0x2c/0x38 RIP: 0010:0x7fd28d736000 # [ 39.973834] Code: Unable to acce[ 47.961803] full_proxy_write+0x53/0x80 ss opcode bytes at RIP 0x7fd28d735fd6. # [ 39.987338] RSP: 00[ 47.972302] vfs_write+0xe7/0x3a0 18:ffffb05a82517e50 EFLAGS: 00010246 # [ 39.993164] RAX: 0000[ 47.982215] ksys_write+0x68/0xf0 000000000033 RBX: 0000000000000024 RCX: 0000000000000000 # [ [ 47.992134] do_syscall_64+0x30/0x40 40.001134] RDX: 0000000000000000 RSI: ffff91df3ad1bf70 RDI: ffff[ 48.002341] entry_SYSCALL_64_after_hwframe+0x61/0xc6 91df3ad1bf70 # [ 40.009104] RBP: 00007fd28d736000 R08: 000000[ 48.014198] RIP: 0033:0x7fade66d1833 0000000000 R09: 0000000000000000 # [ 40.017075] R10: 00000000[ 48.024405] Code: 8b 15 61 26 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 ffffe000 R11: 3fffffffffffffff R12: 000000000000000f # [ 40.0[ 48.051611] RSP: 002b:00007ffc810e10b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 25045] R13: ffffb05a82517f10 R14: ffffb05a82517f10 R15: ffff91de[ 48.066286] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fade66d1833 c3f4c000 # [ 40.033016] FS: 00007fd28d707580(0000) GS:ffff91[ 48.080477] RDX: 000000000000001f RSI: 00007fade65c4000 RDI: 0000000000000001 df3ad00000(0000) knlGS:0000000000000000 # [ 40.042055] CS: 0[ 48.094667] RBP: 00007fade65c4000 R08: 00007fade65c3010 R09: 0000000000000000 010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 40.048470] CR[ 48.108857] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 2: 00007fd28d736000 CR3: 0000000103238002 CR4: 00000000003706e0 [ 48.123046] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 40.056438] Call Trace: # [ 40.059168] ? lkdtm_EXEC_US[ 48.137251] irq event stamp: 0 ERSPACE.cold+0x66/0xae # [ 40.064516] ? direct_entry.cold+0x[ 48.146864] hardirqs last enabled at (0): [<0000000000000000>] 0x0 2c/0x38 # [ 40.069089] ? full_proxy_write+0x53/0x80 # [ 4[ 48.160079] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 0.073563] ? vfs_write+0xe7/0x3a0 # [ 40.077446] ? ksys_writ[ 48.175431] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 e+0x68/0xf0 # [ 40.081340] ? do_syscall_64+0x30/0x40 # [ [ 48.190786] softirqs last disabled at (0): [<0000000000000000>] 0x0 40.085522] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 40[ 48.204005] ---[ end trace 7a8cb61385a8dea5 ]--- .091374] Modules linked in: fuse ip_tables cros_ec_sensors cros_[ 48.215379] lkdtm: Negative detected: saturated ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 40.124014] CR2: 00007fd28d736000 # [ 40.127703] ---[ end trace 7a8cb61385a8de97 ]--- # [ 40.132859] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 40.137235] Code: 89 ff e8 ce 62 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 40 5d 92 02 # [ 40.158220] RSP: 0018:ffffb05a81437e60 EFLAGS: 00010282 # [ 40.164046] RAX: ffffffffbc6e4910 RBX: 0000000000000001 RCX: 0000000000000000 # [ 40.172015] RDX: 0000000000000000 RSI: ffff91df3ac1bf70 RDI: ffffffffbd4d1110 # [ 40.179983] RBP: ffffffffbd90f8a0 R08: 0000000000000001 R09: 0000000000000001 # [ 40.187952] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 40.195921] R13: ffffb05a81437f10 R14: ffffb05a81437f10 R15: ffff91dec4063000 # [ 40.203891] FS: 00007fd28d707580(0000) GS:ffff91df3ad00000(0000) knlGS:0000000000000000 # [ 40.212930] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 40.[ 48.339624] lkdtm: Performing direct entry REFCOUNT_INC_ZERO 219345] CR2: 00007fd28d736000 CR3: 0000000103238002 CR4: 0000000[ 48.351079] lkdtm: attempting safe refcount_inc_not_zero() from zero 0003706e0 # EXEC_USERSPACE: saw 'call trace:': ok ok 35 selfte[ 48.364410] lkdtm: Good: zero detected sts: lkdtm: EXEC_USERSPACE.sh # selftests: lkdtm: EXEC_NULL.sh [ 48.374814] lkdtm: Correctly stayed at zero # Killed # [ 40.360496] lkdtm: Performing direct entry EXEC_[ 48.385689] lkdtm: attempting bad refcount_inc() from zero NULL # [ 40.369658] lkdtm: attempting ok execution at fffffff[ 48.398080] ------------[ cut here ]------------ fbc6e4ce0 # [ 40.376184] lkdtm: attempting bad execution at 0[ 48.409450] refcount_t: addition on 0; use-after-free. 000000000000000 # [ 40.382810] BUG: kernel NULL pointer deref[ 48.421483] WARNING: CPU: 0 PID: 2244 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 erence, address: 0000000000000000 # [ 40.390593] #PF: supervi[ 48.437097] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify sor instruction fetch in kernel mode # [ 40.396903] #PF: erro[ 48.469715] CPU: 0 PID: 2244 Comm: cat Tainted: G D W 5.10.167-cip25 #1 r_code(0x0010) - not-present page # [ 40.402639] PGD 0 P4D 0 [ 48.484566] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 40.405463] Oops: 0010 [#11] SMP PTI # [ 40.409442] CP[ 48.497593] RIP: 0010:refcount_warn_saturate+0x74/0x110 U: 2 PID: 1769 Comm: cat Tainted: G D W 5.10.167-ci[ 48.509639] Code: 01 01 e8 81 a4 95 00 0f 0b c3 cc cc cc cc 80 3d 9d ed 93 01 00 75 cb 48 c7 c7 f8 f9 84 bd c6 05 8d ed 93 01 01 e8 5e a4 95 00 <0f> 0b c3 cc cc cc cc 80 3d 7c ed 93 01 00 75 a8 48 c7 c7 d0 f9 84 p25 #1 # [ 40.418089] Hardware name: Google Rammus/Rammus, BI[ 48.536842] RSP: 0018:ffffb05a82d4fe48 EFLAGS: 00010286 OS 09/04/2020 # [ 40.424895] RIP: 0010:0x0 # [ 40.427818][ 48.548897] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. [ 48.563090] RDX: ffff91df3ac2c660 RSI: ffff91df3ac1bf70 RDI: ffff91df3ac1bf70 # [ 40.435496] RSP: 0018:ffffb05a825c7e48 EFLAGS: 00010246 #[ 48.577284] RBP: ffffffffbd8b4399 R08: 0000000000000000 R09: 0000000000000000 [ 40.441329] RAX: 0000000000000033 RBX: 0000000000000000 RCX:[ 48.591480] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 0000000000000000 # [ 40.449298] RDX: 0000000000000000 RSI: f[ 48.605674] R13: ffffb05a82d4ff10 R14: ffffb05a82d4ff10 R15: ffff91dec489b000 fff91df3ad1bf70 RDI: ffff91df3ad1bf70 # [ 40.457267] RBP: 000[ 48.619893] FS: 00007f5d79c52580(0000) GS:ffff91df3ac00000(0000) knlGS:0000000000000000 0000000000000 R08: 0000000000000000 R09: 0000000000000000 # [ [ 48.635162] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 40.465238] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000[ 48.647803] CR2: 00007f5d79a5b000 CR3: 00000001015ec005 CR4: 00000000003706f0 000000000000a # [ 40.473207] R13: ffffb05a825c7f10 R14: ffffb[ 48.661960] Call Trace: 05a825c7f10 R15: ffff91dec3724000 # [ 40.481177] FS: 00007f8[ 48.670908] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 2a3aaa580(0000) GS:ffff91df3ad00000(0000) knlGS:0000000000000000[ 48.682071] direct_entry.cold+0x2c/0x38 # [ 40.490208] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005[ 48.692664] full_proxy_write+0x53/0x80 0033 # [ 40.496624] CR2: ffffffffffffffd6 CR3: 0000000103e220[ 48.703164] vfs_write+0xe7/0x3a0 06 CR4: 00000000003706e0 # [ 40.504593] Call Trace: # [ 40[ 48.713093] ksys_write+0x68/0xf0 .507319] execute_location+0x45/0x56 # [ 40.511601] direct_e[ 48.723007] do_syscall_64+0x30/0x40 ntry.cold+0x2c/0x38 # [ 40.515981] full_proxy_write+0x53/0x8[ 48.733217] entry_SYSCALL_64_after_hwframe+0x61/0xc6 0 # [ 40.520263] vfs_write+0xe7/0x3a0 # [ 40.523960] ksy[ 48.745093] RIP: 0033:0x7f5d79b68833 s_write+0x68/0xf0 # [ 40.527649] do_syscall_64+0x30/0x40 # [ 48.755297] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 40.531628] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ [ 48.782504] RSP: 002b:00007ffe7af757f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 40.537265] RIP: 0033:0x7f82a39c0833 # [ 40.541254] Code: 8b 1[ 48.797195] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f5d79b68833 5 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00[ 48.811385] RDX: 0000000000000012 RSI: 00007f5d79a5b000 RDI: 0000000000000001 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3[ 48.825576] RBP: 00007f5d79a5b000 R08: 00007f5d79a5a010 R09: 0000000000000000 d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 #[ 48.839767] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 40.562228] RSP: 002b:00007ffed61a3f28 EFLAGS: 00000246 ORIG[ 48.853948] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 _RAX: 0000000000000001 # [ 40.570682] RAX: ffffffffffffffda R[ 48.868140] irq event stamp: 0 BX: 000000000000000a RCX: 00007f82a39c0833 # [ 40.578651] RDX[ 48.877765] hardirqs last enabled at (0): [<0000000000000000>] 0x0 : 000000000000000a RSI: 00007f82a38b3000 RDI: 0000000000000001 [ 48.891001] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 40.586620] RBP: 00007f82a38b3000 R08: 00007f82a38b2010 R09[ 48.906360] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 : 0000000000000000 # [ 40.594588] R10: fffffffffffffbc5 R11: [ 48.921730] softirqs last disabled at (0): [<0000000000000000>] 0x0 0000000000000246 R12: 0000000000000001 # [ 40.602558] R13: 00[ 48.934931] ---[ end trace 7a8cb61385a8dea6 ]--- 00000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ [ 48.946297] lkdtm: Zero detected: saturated 40.610530] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 40.636982] CR2: 0000000000000000 # [ 40.646892] ---[ end trace 7a8cb61385a8de98 ]--- # [ 40.652048] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 40.656425] Code: 89 ff e8 ce 62 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 40 5d 92 02 # [ 40.677411] RSP: 0018:ffffb05a81437e60 EFLAGS: 00010282 # [ 40.683266] RAX: ffffffffbc6e4910 RBX: 0000000000000001 RCX: 0000000000000000 # [ 40.691236] RDX: 0000000000000000 RSI: ffff91df3ac1bf70 RDI: ffffffffbd4d1110 # [ 40.699206] RBP: ffffffffbd90f8a0 R08: 0000000000000001 R09: 0000000000000001 # [ 40.707175] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 40.715144] R13: ffffb05a81437f10 R14: ffffb05a81437f10 R15: ffff91dec4063000 # [ 40.723113] FS: 00007f82a3aaa580(0000) GS:ffff91df3ad00000(0000) knlGS:0000000000000000 # [ 40.[ 49.069065] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO 732150] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ [ 49.081585] lkdtm: attempting safe refcount_add_not_zero() from zero 40.738565] CR2: ffffffffffffffd6 CR3: 0000000103e22006 CR4: 000[ 49.094915] lkdtm: Good: zero detected 00000003706e0 # [ 40.746533] BUG: sleeping function called fr[ 49.105292] lkdtm: Correctly stayed at zero om invalid context at include/linux/percpu-rwsem.h:49 # [ 40.[ 49.116179] lkdtm: attempting bad refcount_add() from zero [ 49.128520] ------------[ cut here ]------------ 756446] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1[ 49.133679] refcount_t: addition on 0; use-after-free. 769, name: cat # [ 40.764900] INFO: lockdep is turned off. #[ 49.145659] WARNING: CPU: 1 PID: 2276 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 [ 40.769276] irq event stamp: 0 # [ 40.772683] hardirqs la[ 49.161276] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify st enabled at (0): [<0000000000000000>] 0x0 # [ 40.779682] h[ 49.193912] CPU: 1 PID: 2276 Comm: cat Tainted: G D W 5.10.167-cip25 #1 [ 49.208776] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 ardirqs last disabled at (0): [] copy_process+[ 49.215585] RIP: 0010:refcount_warn_saturate+0x74/0x110 [ 49.227630] Code: 01 01 e8 81 a4 95 00 0f 0b c3 cc cc cc cc 80 3d 9d ed 93 01 00 75 cb 48 c7 c7 f8 f9 84 bd c6 05 8d ed 93 01 01 e8 5e a4 95 00 <0f> 0b c3 cc cc cc cc 80 3d 7c ed 93 01 00 75 a8 48 c7 c7 d0 f9 84 0x664/0x1cb0 # [ 40.788817] softirqs last enabled at (0): [<[ 49.248615] RSP: 0018:ffffb05a82d9fe48 EFLAGS: 00010286 [ 49.260660] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 ffffffffbbf00cb4>] copy_process+0x664/0x1cb0 # [ 40.797954] s[ 49.268633] RDX: ffff91df3acac660 RSI: ffff91df3ac9bf70 RDI: ffff91df3ac9bf70 [ 49.282811] RBP: ffffffffbd8b43ab R08: 0000000000000000 R09: 0000000000000000 oftirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 40[ 49.290784] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 49.304963] R13: ffffb05a82d9ff10 R14: ffffb05a82d9ff10 R15: ffff91dec4ef2000 .804944] CPU: 2 PID: 1769 Comm: cat Tainted: G D W [ 49.312937] FS: 00007f0c7a4fc580(0000) GS:ffff91df3ac80000(0000) knlGS:0000000000000000 [ 49.328186] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 5.10.167-cip25 #1 # [ 40.813590] Hardware name: Google Rammus[ 49.334605] CR2: 00007f0c7a305000 CR3: 0000000103024001 CR4: 00000000003706e0 [ 49.348786] Call Trace: /Rammus, BIOS 09/04/2020 # [ 40.820391] Call Trace: # [ 4[ 49.351518] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 0.823118] dump_stack+0x77/0x9b # [ 40.826818] ___might_slee[ 49.362696] direct_entry.cold+0x2c/0x38 p.cold+0xa6/0xb6 # [ 40.831390] exit_signals+0x1c/0x2e0 # [[ 49.373294] full_proxy_write+0x53/0x80 40.835380] do_exit+0xc2/0xaf0 # [ 40.838882] ? ksys_writ[ 49.383791] vfs_write+0xe7/0x3a0 e+0x68/0xf0 # [ 40.842774] make_task_dead+0x2f/0x30 # [ 4[ 49.393703] ksys_write+0x68/0xf0 0.846859] rewind_stack_and_make_dead+0x17/0x20 # [ 40.852102[ 49.403619] do_syscall_64+0x30/0x40 ] RIP: 0033:0x7f82a39c0833 # [ 40.856082] Code: 8b 15 61 26 0[ 49.413825] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 49.425683] RIP: 0033:0x7f0c7a412833 e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04[ 49.429674] Code: 8b 15 61 26 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 [ 49.456867] RSP: 002b:00007ffdc2557d08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 f[ 49.465328] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f0c7a412833 [ 49.479509] RDX: 0000000000000012 RSI: 00007f0c7a305000 RDI: 0000000000000001 f ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 40.8[ 49.487482] RBP: 00007f0c7a305000 R08: 00007f0c7a304010 R09: 0000000000000000 [ 49.501663] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 77063] RSP: 002b:00007ffed61a3f28 EFLAGS: 00000246 ORIG_RAX: 000[ 49.509637] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0000000000001 # [ 40.885519] RAX: ffffffffffffffda RBX: 00000[ 49.523822] irq event stamp: 0 [ 49.533442] hardirqs last enabled at (0): [<0000000000000000>] 0x0 0000000000a RCX: 00007f82a39c0833 # [ 40.893489] RDX: 0000000[ 49.540447] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 49.555791] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 00000000a RSI: 00007f82a38b3000 RDI: 0000000000000001 # [ 40.[ 49.564930] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 49.578139] ---[ end trace 7a8cb61385a8dea7 ]--- 901459] RBP: 00007f82a38b3000 R08: 00007f82a38b2010 R09: 0000000[ 49.583298] lkdtm: Zero detected: saturated 000000000 # [ 40.909429] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 40.917396] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_NULL: saw 'call trace:': ok ok 36 selftests: lkdtm: EXEC_NULL.sh # selftests: lkdtm: ACCESS_USERSPACE.sh # Killed # [ 41.042046] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 41.049718] lkdtm: attempting bad read at 00007f9c1e96f000 # [ 41.055865] BUG: unable to handle page fault for address: 00007f9c1e96f000 # [ 41.063551] #PF: supervisor read access in kernel mode # [ 41.069290] #PF: error_code(0x0001) - permissions violation # [ 41.075511] PGD 80000001015c3067 P4D 80000001015c3067 PUD 103254067 PMD 103d5d067 PTE 10b32a067 # [ 41.091451] Oops: 0001 [#12] SMP PTI # [ 41.095440] CPU: 2 PID: 1804 Comm: cat Tainted: G D W 5.10.167-cip25 #1 # [ 41.104091] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 41.110898] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 # [ 41.117120] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 20 52 8b bd e8 3e 96 fd ff 48 c7 c7 48 52 8b bd b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 25 96 fd ff 48 89 ee [ 49.711870] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED 48 c7 c7 70 52 8b # [ 41.138095] RSP: 0018:ffffb05a82657e48 E[ 49.719170] lkdtm: attempting bad refcount_inc() from saturated FLAGS: 00010246 # [ 41.143929] RAX: 00000000c0dec0de RBX: 000[ 49.732000] ------------[ cut here ]------------ 0000000000026 RCX: 0000000000000000 # [ 41.151888] RDX: 00000[ 49.743367] refcount_t: saturated; leaking memory. 00000000000 RSI: ffff91df3ad1bf70 RDI: ffffffffbd8b5248 # [ 4[ 49.754962] WARNING: CPU: 1 PID: 2311 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 1.159858] RBP: 00007f9c1e96f000 R08: 0000000000000000 R09: 00000[ 49.770573] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 00000000000 # [ 41.167827] R10: 00000000ffffe000 R11: 3ffffff[ 49.803244] CPU: 1 PID: 2311 Comm: cat Tainted: G D W 5.10.167-cip25 #1 fffffffff R12: 0000000000000011 # [ 41.175796] R13: ffffb05a8[ 49.818084] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 49.831104] RIP: 0010:refcount_warn_saturate+0x51/0x110 2657f10 R14: ffffb05a82657f10 R15: ffff91dec401d000 # [ 41.18[ 49.836941] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d c1 ed 93 01 00 75 ee 48 c7 c7 d0 f9 84 bd c6 05 b1 ed 93 01 01 e8 81 a4 95 00 <0f> 0b c3 cc cc cc cc 80 3d 9d ed 93 01 00 75 cb 48 c7 c7 f8 f9 84 [ 49.864134] RSP: 0018:ffffb05a82e1fe48 EFLAGS: 00010286 3766] FS: 00007f9c1e940580(0000) GS:ffff91df3ad00000(0000) knlG[ 49.869973] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 [ 49.884151] RDX: ffff91df3acac660 RSI: ffff91df3ac9bf70 RDI: ffff91df3ac9bf70 S:0000000000000000 # [ 41.192801] CS: 0010 DS: 0000 ES: 0000[ 49.892124] RBP: ffffffffbd8b43bd R08: 0000000000000000 R09: 0000000000000000 [ 49.906305] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 CR0: 0000000080050033 # [ 41.199216] CR2: 00007f9c1e96f000 C[ 49.914277] R13: ffffb05a82e1ff10 R14: ffffb05a82e1ff10 R15: ffff91dec414d000 [ 49.928460] FS: 00007f927d662580(0000) GS:ffff91df3ac80000(0000) knlGS:0000000000000000 R3: 0000000103d46005 CR4: 00000000003706e0 # [ 41.207184] Cal[ 49.937501] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.950128] CR2: 00007f927d46b000 CR3: 0000000103292002 CR4: 00000000003706e0 l Trace: # [ 41.209912] direct_entry.cold+0x2c/0x38 # [ 4[ 49.958102] Call Trace: 1.214289] full_proxy_write+0x53/0x80 # [ 41.218560] vfs_wri[ 49.967042] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 te+0xe7/0x3a0 # [ 41.222258] ksys_write+0x68/0xf0 # [ 41.[ 49.978730] direct_entry.cold+0x2c/0x38 225947] do_syscall_64+0x30/0x40 # [ 41.229926] entry_SYSCAL[ 49.989324] full_proxy_write+0x53/0x80 L_64_after_hwframe+0x61/0xc6 # [ 41.235557] RIP: 0033:0x7f9c1[ 49.999822] vfs_write+0xe7/0x3a0 e856833 # [ 41.239546] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02[ 50.009736] ksys_write+0x68/0xf0 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 [ 50.019656] do_syscall_64+0x30/0x40 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f[ 50.029862] entry_SYSCALL_64_after_hwframe+0x61/0xc6 40 00 48 83 ec 28 48 89 54 24 18 # [ 41.260529] RSP: 002b:00[ 50.041717] RIP: 0033:0x7f927d578833 007fffb63e2688 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ [ 50.051922] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 41.268975] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00[ 50.079122] RSP: 002b:00007fff7cdf4058 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 007f9c1e856833 # [ 41.276944] RDX: 0000000000000011 RSI: 0000[ 50.093796] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f927d578833 7f9c1e749000 RDI: 0000000000000001 # [ 41.284915] RBP: 00007f[ 50.107983] RDX: 0000000000000017 RSI: 00007f927d46b000 RDI: 0000000000000001 9c1e749000 R08: 00007f9c1e748010 R09: 0000000000000000 # [ 41[ 50.122169] RBP: 00007f927d46b000 R08: 00007f927d46a010 R09: 0000000000000000 .292883] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 000000[ 50.136378] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 0000000001 # [ 41.300851] R13: 0000000000000001 R14: 00000000[ 50.150566] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 00020000 R15: 0000000000020000 # [ 41.308824] Modules linked [ 50.164758] irq event stamp: 0 in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industri[ 50.174377] hardirqs last enabled at (0): [<0000000000000000>] 0x0 alio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub c[ 50.187595] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 ros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x8[ 50.202943] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 6_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 41.33528[ 50.218295] softirqs last disabled at (0): [<0000000000000000>] 0x0 0] CR2: 00007f9c1e96f000 # [ 41.345194] ---[ end trace 7a8cb6[ 50.231511] ---[ end trace 7a8cb61385a8dea8 ]--- 1385a8de99 ]--- # [ 41.350365] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 50.242881] lkdtm: Saturation detected: still saturated # [ 41.354742] Code: 89 ff e8 ce 62 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 40 5d 92 02 # [ 41.375720] RSP: 0018:ffffb05a81437e60 EFLAGS: 00010282 # [ 41.381553] RAX: ffffffffbc6e4910 RBX: 0000000000000001 RCX: 0000000000000000 # [ 41.389523] RDX: 0000000000000000 RSI: ffff91df3ac1bf70 RDI: ffffffffbd4d1110 # [ 41.397492] RBP: ffffffffbd90f8a0 R08: 0000000000000001 R09: 0000000000000001 # [ 41.405459] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 41.413427] R13: ffffb05a81437f10 R14: ffffb05a81437f10 R15: ffff91dec4063000 # [ 41.421394] FS: 00007f9c1e940580(0000) GS:ffff91df3ad00000(0000) knlGS:0000000000000000 # [ 41.430432] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 41.436846] CR2: 00007f9c1e96f000 CR3: 0000000103d46005 CR4: 00000000003706e0 # ACCESS_USERSPACE: saw 'call trace:': ok ok 37 selftests: lkdtm: ACCESS_USERSPACE.sh # selftests: lkdtm: ACCESS_NULL.sh # Killed # [ 41.580257] lkdtm: Performing direct entry ACCESS_NULL # [ 41.587364] lkdtm: attempting bad read at 0000000000000000 # [ 41.593505] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 41.607484] #PF: supervisor read access in kernel mode # [ 41.613219] #PF: error_code(0x0000) - not-present pag[ 50.390143] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED e # [ 41.618954] PGD 0 P4D 0 # [ 41.621769] Oops: 0000 [#[ 50.398489] lkdtm: attempting bad refcount_dec() from saturated 13] SMP PTI # [ 41.625756] CPU: 3 PID: 1839 Comm: cat Tainted[ 50.411325] ------------[ cut here ]------------ : G D W 5.10.167-cip25 #1 # [ 41.634404] Hardwar[ 50.422712] refcount_t: decrement hit 0; leaking memory. e name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 41.641230][ 50.434864] WARNING: CPU: 0 PID: 2346 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 # [ 41.646479] Code: e[ 50.450496] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 2 95 fd ff be 00 10 00 00 48 89 ef e8 2a 22 3c ff e9 69 ff ff ff[ 50.483152] CPU: 0 PID: 2346 Comm: cat Tainted: G D W 5.10.167-cip25 #1 0f 1f 44 00 00 53 31 f6 48 c7 c7 20 52 8b bd e8 bc 95 fd ff <48[ 50.498031] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 > 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 48 52 8b bd 48 01[ 50.511058] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 41.667459] RSP: 0018:ffffb05a8033fe58 EFLAGS: 00010246 [ 50.523128] Code: 80 fa 84 bd c6 05 1d ed 93 01 01 e8 f1 a3 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 50 fa 84 bd c6 05 04 ed 93 01 01 e8 d7 a3 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 41.673281] RAX: 000000000000002e RBX: 0000000000000027 RCX[ 50.550331] RSP: 0018:ffffb05a82eb7e48 EFLAGS: 00010286 : 0000000000000000 # [ 41.681249] RDX: 0000000000000000 RSI: [ 50.562385] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 ffff91df3ad9bf70 RDI: ffff91df3ad9bf70 # [ 41.689216] RBP: ff[ 50.576561] RDX: ffff91df3ac2c660 RSI: ffff91df3ac1bf70 RDI: ffff91df3ac1bf70 ffffffbd8b4311 R08: 0000000000000000 R09: 0000000000000000 # [ [ 50.590789] RBP: ffffffffbd8b43d4 R08: 0000000000000000 R09: 0000000000000000 41.697183] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00[ 50.604994] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 0000000000000c # [ 41.705155] R13: ffffb05a8033ff10 R14: ffff[ 50.619189] R13: ffffb05a82eb7f10 R14: ffffb05a82eb7f10 R15: ffff91dec31e7000 b05a8033ff10 R15: ffff91dec32e0000 # [ 41.713116] FS: 00007f[ 50.633388] FS: 00007fb50da2b580(0000) GS:ffff91df3ac00000(0000) knlGS:0000000000000000 3dfe89d580(0000) GS:ffff91df3ad80000(0000) knlGS:000000000000000[ 50.648669] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 0 # [ 41.722153] CS: 0010 DS: 0000 ES: 0000 CR0: 00000000800[ 50.661287] CR2: 00007fb50d834000 CR3: 0000000103e9a006 CR4: 00000000003706f0 50033 # [ 41.728569] CR2: 0000000000000000 CR3: 0000000103276[ 50.675505] Call Trace: 003 CR4: 00000000003706e0 # [ 41.736537] Call Trace: # [ 4[ 50.684514] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f 1.739264] direct_entry.cold+0x2c/0x38 # [ 41.743643] full_p[ 50.696137] direct_entry.cold+0x2c/0x38 roxy_write+0x53/0x80 # [ 41.747923] vfs_write+0xe7/0x3a0 # [ 50.706778] full_proxy_write+0x53/0x80 [ 41.751620] ksys_write+0x68/0xf0 # [ 41.755319] do_sysca[ 50.717254] vfs_write+0xe7/0x3a0 ll_64+0x30/0x40 # [ 41.759306] entry_SYSCALL_64_after_hwfram[ 50.727182] ksys_write+0x68/0xf0 e+0x61/0xc6 # [ 41.764944] RIP: 0033:0x7f3dfe7b3833 # [ 41[ 50.737057] do_syscall_64+0x30/0x40 .768931] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff f[ 50.747290] entry_SYSCALL_64_after_hwframe+0x61/0xc6 f ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00[ 50.759122] RIP: 0033:0x7fb50d941833 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 2[ 50.769330] Code: 8b 15 61 26 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 8 48 89 54 24 18 # [ 41.789916] RSP: 002b:00007ffdb6047f18 EF[ 50.796528] RSP: 002b:00007ffc881a9588 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 LAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 41.798372] RAX:[ 50.811208] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fb50d941833 ffffffffffffffda RBX: 000000000000000c RCX: 00007f3dfe7b3833 #[ 50.825416] RDX: 0000000000000017 RSI: 00007fb50d834000 RDI: 0000000000000001 [ 41.806341] RDX: 000000000000000c RSI: 00007f3dfe6a6000 RDI:[ 50.839600] RBP: 00007fb50d834000 R08: 00007fb50d833010 R09: 0000000000000000 0000000000000001 # [ 41.814309] RBP: 00007f3dfe6a6000 R08: 0[ 50.853785] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 0007f3dfe6a5010 R09: 0000000000000000 # [ 41.822278] R10: fff[ 50.867982] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ [ 50.882163] irq event stamp: 0 41.830245] R13: 0000000000000001 R14: 0000000000020000 R15: 000[ 50.891798] hardirqs last enabled at (0): [<0000000000000000>] 0x0 0000000020000 # [ 41.838217] Modules linked in: fuse ip_table[ 50.905007] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 s cros_ec_sensors cros_ec_sensors_core industrialio_triggered_bu[ 50.920398] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 ffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_sysfs cros[ 50.935718] softirqs last disabled at (0): [<0000000000000000>] 0x0 _ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_therma[ 50.948934] ---[ end trace 7a8cb61385a8dea9 ]--- l cros_ec_dev cros_usbpd_notify # [ 41.864669] CR2: 000000000[ 50.960310] lkdtm: Saturation detected: still saturated 0000000 # [ 41.874578] ---[ end trace 7a8cb61385a8de9a ]--- # [ 41.879732] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 41.884108] Code: 89 ff e8 ce 62 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 40 5d 92 02 # [ 41.905089] RSP: 0018:ffffb05a81437e60 EFLAGS: 00010282 # [ 41.910921] RAX: ffffffffbc6e4910 RBX: 0000000000000001 RCX: 0000000000000000 # [ 41.918889] RDX: 0000000000000000 RSI: ffff91df3ac1bf70 RDI: ffffffffbd4d1110 # [ 41.926859] RBP: ffffffffbd90f8a0 R08: 0000000000000001 R09: 0000000000000001 # [ 41.934829] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 41.942797] R13: ffffb05a81437f10 R14: ffffb05a81437f10 R15: ffff91dec4063000 # [ 41.950765] FS: 00007f3dfe89d580(0000) GS:ffff91df3ad80000(0000) knlGS:0000000000000000 # [ 41.959803] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 41.966218] CR2: 0000000000000000 CR3: 0000000103276003 CR4: 00000000003706e0 # [ 41.974187] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 41.984099] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1839, name: cat # [ 41.992555] INFO: lockdep is turned off. # [ 41.996929] irq event stamp: 0 # [ 42.000334] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 51.106819] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED [ 51.115979] lkdtm: attempting bad refcount_dec() from saturated [ 51.122652] ------------[ cut here ]------------ # [ 42.007334] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 42.016468] softirqs last [ 51.175335] CPU: 2 PID: 2381 Comm: cat Tainted: G D W 5.10.167-cip25 #1 [ 51.190194] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 51.197002] RIP: 0010:refcount_warn_saturate+0x51/0x110 [ 51.202840] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d c1 ed 93 01 00 75 ee 48 c7 c7 d0 f9 84 bd c6 05 b1 ed 93 01 01 e8 81 a4 95 00 <0f> 0b c3 cc cc cc cc 80 3d 9d ed 93 01 00 75 cb 48 c7 c7 f8 f9 84 [ 51.223824] RSP: 0018:ffffb05a82f47e48 EFLAGS: 00010286 [ 51.229683] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 [ 51.237656] RDX: ffff91df3ad2c660 RSI: ffff91df3ad1bf70 RDI: ffff91df3ad1bf70 enabled at (0): [] copy_process+0x664/0x1cb0 [ 51.245629] RBP: ffffffffbd8b43eb R08: 0000000000000000 R09: 0000000000000000 # [ 42.025603] softirqs last disabled at (0): [<0000000000000[ 51.259816] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 51.274005] R13: ffffb05a82f47f10 R14: ffffb05a82f47f10 R15: ffff91dec4d58000 [ 51.282005] FS: 00007f06c5afc580(0000) GS:ffff91df3ad00000(0000) knlGS:0000000000000000 [ 51.291043] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.297473] CR2: 00007f06c5905000 CR3: 0000000103ca4004 CR4: 00000000003706e0 [ 51.305475] Call Trace: [ 51.308207] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 000>] 0x0 # [ 42.032591] CPU: 3 PID: 1839 Comm: cat Tainted: [ 51.313682] direct_entry.cold+0x2c/0x38 [ 51.324294] full_proxy_write+0x53/0x80 G D W 5.10.167-cip25 #1 # [ 42.041240] Hardware [ 51.328588] vfs_write+0xe7/0x3a0 [ 51.338491] ksys_write+0x68/0xf0 [ 51.342191] do_syscall_64+0x30/0x40 [ 51.346204] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 51.351845] RIP: 0033:0x7f06c5a12833 [ 51.355834] Code: 8b 15 61 26 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 [ 51.376816] RSP: 002b:00007fff597fc618 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 51.385273] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f06c5a12833 [ 51.393235] RDX: 0000000000000017 RSI: 00007f06c5905000 RDI: 0000000000000001 [ 51.401206] RBP: 00007f06c5905000 R08: 00007f06c5904010 R09: 0000000000000000 [ 51.409177] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 51.417148] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 51.425123] irq event stamp: 0 name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 42.048044] C[ 51.428556] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 51.441767] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 51.450905] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 51.460041] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 51.467042] ---[ end trace 7a8cb61385a8deaa ]--- [ 51.472195] lkdtm: Saturation detected: still saturated all Trace: # [ 42.050771] dump_stack+0x77/0x9b # [ 42.054469] ___might_sleep.cold+0xa6/0xb6 # [ 42.059041] exit_signals+0x1c/0x2e0 # [ 42.063021] do_exit+0xc2/0xaf0 # [ 42.066525] ? ksys_write+0x68/0xf0 # [ 42.070424] make_task_dead+0x2f/0x30 # [ 42.074510] rewind_stack_and_make_dead+0x17/0x20 # [ 42.079761] RIP: 0033:0x7f3dfe7b3833 # [ 42.083749] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 42.104723] RSP: 002b:00007ffdb6047f18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 42.113176] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f3dfe7b3833 # [ 42.121143] RDX: 000000000000000c RSI: 00007f3dfe6a6000 RDI: 0000000000000001 # [ 42.129112] RBP: 00007f3dfe6a6000 R08: 00007f3dfe6a5010 R09: 0000000000000000 # [ 42.137079] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 42.145047] 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 # [ 42.266662] lkdtm: Performing direct entry WRITE_RO # [ 42.276592] lkdtm: attempting bad rodata write at ffffffffbd4d1590 # [ 42.283515] BUG: unable to handle page fault for address: ffffffffbd4d1590 # [ 42.291201] #PF: supervisor write access in kernel mode # [ 42.297037] #PF: error_code(0x0003) - perm[ 51.622909] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED [ 51.634875] lkdtm: attempting bad refcount_inc_not_zero() from saturated [ 51.642374] ------------[ cut here ]------------ issions violation # [ 42.303251] PGD 161829067 P4D 161829067 [ 51.647536] refcount_t: saturated; leaking memory. [ 51.659121] WARNING: CPU: 2 PID: 2413 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 PUD 16182a063 PMD 80000001612000e1 # [ 42.311029] Oops: 0003[ 51.668558] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 51.701191] CPU: 2 PID: 2413 Comm: cat Tainted: G D W 5.10.167-cip25 #1 [ 51.709871] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 51.716677] RIP: 0010:refcount_warn_saturate+0x97/0x110 [ 51.722511] Code: 01 01 e8 5e a4 95 00 0f 0b c3 cc cc cc cc 80 3d 7c ed 93 01 00 75 a8 48 c7 c7 d0 f9 84 bd c6 05 6c ed 93 01 01 e8 3b a4 95 00 <0f> 0b c3 cc cc cc cc 80 3d 56 ed 93 01 00 75 85 48 c7 c7 28 fa 84 [ 51.743492] RSP: 0018:ffffb05a82fd7e38 EFLAGS: 00010282 [ 51.749328] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 [#14] SMP PTI # [ 42.321231] CPU: 3 PID: 1874 Comm: cat Tain[ 51.757302] RDX: ffff91df3ad2c660 RSI: ffff91df3ad1bf70 RDI: ffff91df3ad1bf70 [ 51.771482] RBP: ffffffffbd8b4018 R08: 0000000000000000 R09: 0000000000000000 [ 51.779453] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 51.787427] R13: ffffb05a82fd7f10 R14: ffffb05a82fd7f10 R15: ffff91dec3027000 [ 51.795398] FS: 00007f0ecbac1580(0000) GS:ffff91df3ad00000(0000) knlGS:0000000000000000 [ 51.804480] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.810898] CR2: 00007f0ecb8ca000 CR3: 000000010559c002 CR4: 00000000003706e0 [ 51.818867] Call Trace: [ 51.821597] __refcount_add_not_zero.constprop.0+0x2a/0x35 [ 51.827748] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 [ 51.834071] direct_entry.cold+0x2c/0x38 [ 51.838450] full_proxy_write+0x53/0x80 [ 51.842759] vfs_write+0xe7/0x3a0 [ 51.846457] ksys_write+0x68/0xf0 [ 51.850159] do_syscall_64+0x30/0x40 [ 51.854174] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 51.859815] RIP: 0033:0x7f0ecb9d7833 [ 51.863805] Code: 8b 15 61 26 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 [ 51.884787] RSP: 002b:00007ffe6b090718 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 51.893245] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f0ecb9d7833 ted: G D W 5.10.167-cip25 #1 # [ 42.329881] Hard[ 51.901219] RDX: 0000000000000020 RSI: 00007f0ecb8ca000 RDI: 0000000000000001 [ 51.915405] RBP: 00007f0ecb8ca000 R08: 00007f0ecb8c9010 R09: 0000000000000000 ware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 42.3366[ 51.923381] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 51.937564] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 51.945556] irq event stamp: 0 89] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a # [ 42.341648] Code: 0[ 51.948973] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 51.962182] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 51.971366] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 0 48 c7 c7 00 51 8b bd 48 c7 c6 90 15 4d bd e8 66 98 fd ff 48 8b[ 51.980515] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 51.993722] ---[ end trace 7a8cb61385a8deab ]--- [ 51.998877] lkdtm: Saturation detected: still saturated 05 c4 bb 78 00 ba 34 12 cd ab 48 c7 c7 30 51 8b bd 48 31 d0 <48> 89 05 ae bb 78 00 e9 44 98 fd ff 0f 1f 44 00 00 48 8b 05 3d a9 # [ 42.368843] RSP: 0018:ffffb05a8277fe60 EFLAGS: 00010202 # [ 42.374675] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 # [ 42.382642] RDX: 00000000abcd1234 RSI: ffff91df3ad9bf70 RDI: ffffffffbd8b5130 # [ 42.390613] RBP: ffffffffbd8b431d R08: 0000000000000000 R09: 0000000000000000 # [ 42.398579] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 # [ 42.406549] R13: ffffb05a8277ff10 R14: ffffb05a8277ff10 R15: ffff91dec3fdc000 # [ 42.414519] FS: 00007f0bae6c2580(0000) GS:ffff91df3ad80000(0000) knlGS:0000000000000000 # [ 42.423555] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 42.429971] CR2: ffffffffbd4d1590 CR3: 0000000103e2c001 CR4: 00000000003706e0 # [ 42.437938] Call Trace: # [ 42.440666] direct_entry.cold+0x2c/0x38 # [ 42.445044] full_proxy_write+0x53/0x80 # [ 42.449326] vfs_write+0xe7/0x3a0 # [ 42.453025] ksys_write+0x68/0xf0 # [ 42.456723] do_syscall_64+0x30/0x40 # [ 42.460710] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 42.466364] RIP: 0033:0x7f0bae5d8833 # [ 42.470360] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff f[ 52.123938] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED [ 52.136727] lkdtm: attempting bad refcount_add_not_zero() from saturated [ 52.144223] ------------[ cut here ]------------ [ 52.149422] refcount_t: saturated; leaking memory. [ 52.154799] WARNING: CPU: 2 PID: 2445 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 f ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00[ 52.164234] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 52.196862] CPU: 2 PID: 2445 Comm: cat Tainted: G D W 5.10.167-cip25 #1 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 2[ 52.205517] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 52.218543] RIP: 0010:refcount_warn_saturate+0x97/0x110 [ 52.224426] Code: 01 01 e8 5e a4 95 00 0f 0b c3 cc cc cc cc 80 3d 7c ed 93 01 00 75 a8 48 c7 c7 d0 f9 84 bd c6 05 6c ed 93 01 01 e8 3b a4 95 00 <0f> 0b c3 cc cc cc cc 80 3d 56 ed 93 01 00 75 85 48 c7 c7 28 fa 84 [ 52.245427] RSP: 0018:ffffb05a83057e38 EFLAGS: 00010282 [ 52.251294] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 [ 52.259290] RDX: ffff91df3ad2c660 RSI: ffff91df3ad1bf70 RDI: ffff91df3ad1bf70 8 48 89 54 24 18 # [ 42.497555] RSP: 002b:00007ffe9fc20228 EF[ 52.267277] RBP: ffffffffbd8b4038 R08: 0000000000000000 R09: 0000000000000000 [ 52.281451] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 52.289422] R13: ffffb05a83057f10 R14: ffffb05a83057f10 R15: ffff91dec324f000 [ 52.297395] FS: 00007f3ed78cb580(0000) GS:ffff91df3ad00000(0000) knlGS:0000000000000000 [ 52.306479] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.312897] CR2: 00007f3ed76d4000 CR3: 0000000103278005 CR4: 00000000003706e0 [ 52.320868] Call Trace: [ 52.323598] __refcount_add_not_zero.constprop.0+0x2a/0x35 [ 52.329748] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 [ 52.336096] direct_entry.cold+0x2c/0x38 [ 52.340508] full_proxy_write+0x53/0x80 [ 52.344814] vfs_write+0xe7/0x3a0 [ 52.348544] ksys_write+0x68/0xf0 [ 52.352272] do_syscall_64+0x30/0x40 [ 52.356294] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 52.361938] RIP: 0033:0x7f3ed77e1833 [ 52.365928] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 52.386912] RSP: 002b:00007ffe0b370e98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 LAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 42.506009] RAX:[ 52.395375] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f3ed77e1833 [ 52.409562] RDX: 0000000000000020 RSI: 00007f3ed76d4000 RDI: 0000000000000001 [ 52.417534] RBP: 00007f3ed76d4000 R08: 00007f3ed76d3010 R09: 0000000000000000 [ 52.425505] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 52.433476] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 52.441471] irq event stamp: 0 ffffffffffffffda RBX: 0000000000000009 RCX: 00007f0bae5d8833 #[ 52.444887] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 52.458098] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 52.467260] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 52.476400] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 42.513978] RDX: 0000000000000009 RSI: 00007f0bae4cb000 RDI:[ 52.483400] ---[ end trace 7a8cb61385a8deac ]--- [ 52.494772] lkdtm: Saturation detected: still saturated 0000000000000001 # [ 42.521945] RBP: 00007f0bae4cb000 R08: 00007f0bae4ca010 R09: 0000000000000000 # [ 42.529913] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 42.537880] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 42.545854] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 42.572308] CR2: ffffffffbd4d1590 # [ 42.582218] ---[ end trace 7a8cb61385a8de9b ]--- # [ 42.587378] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 42.591755] Code: 89 ff e8 ce 62 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 40 5d 92 02 # [ 42.612728] RSP: 0018:ffffb05a81437e60 EFLAGS: 00010282 # [ 42.618561] RAX: ffffffffbc6e4910 RBX: 0000000000000001 RCX: 0000000000000000 # [ 42.626529] RDX: 0000000000000000 RSI: ffff91df3ac1bf70 RDI: ffffffffbd4d1110 # [ 42.634497] RBP: ffffffffbd90f8a0 R08: 0000000000000001 R09: 0000000000000001 # [ 42.642465] R10: 00000000ffffe000 R11: 3fffffffffffffff [ 52.624042] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED [ 52.632857] lkdtm: attempting bad refcount_dec_and_test() from saturated [ 52.640351] ------------[ cut here ]------------ [ 52.645509] refcount_t: underflow; use-after-free. [ 52.650870] WARNING: CPU: 2 PID: 2480 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 [ 52.660303] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify R12: 0000000000000004 # [ 42.650433] R13: ffffb05a81437f10 R1[ 52.686765] CPU: 2 PID: 2480 Comm: cat Tainted: G D W 5.10.167-cip25 #1 [ 52.701623] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 52.708446] RIP: 0010:refcount_warn_saturate+0xba/0x110 [ 52.714282] Code: 01 01 e8 3b a4 95 00 0f 0b c3 cc cc cc cc 80 3d 56 ed 93 01 00 75 85 48 c7 c7 28 fa 84 bd c6 05 46 ed 93 01 01 e8 18 a4 95 00 <0f> 0b c3 cc cc cc cc 80 3d 31 ed 93 01 00 0f 85 5e ff ff ff 48 c7 [ 52.735265] RSP: 0018:ffffb05a830f7e40 EFLAGS: 00010286 [ 52.741100] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 4: ffffb05a81437f10 R15: ffff91dec4063000 # [ 42.658417] FS: [ 52.749073] RDX: ffff91df3ad2c660 RSI: ffff91df3ad1bf70 RDI: ffff91df3ad1bf70 [ 52.763252] RBP: ffffffffbd8b4058 R08: 0000000000000000 R09: 0000000000000000 00007f0bae6c2580(0000) GS:ffff91df3ad80000(0000) knlGS:00000000[ 52.771229] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 52.785426] R13: ffffb05a830f7f10 R14: ffffb05a830f7f10 R15: ffff91dec277c000 [ 52.793405] FS: 00007faa0ca38580(0000) GS:ffff91df3ad00000(0000) knlGS:0000000000000000 [ 52.802465] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.808881] CR2: 00007faa0c841000 CR3: 0000000105672003 CR4: 00000000003706e0 [ 52.816852] Call Trace: [ 52.819584] __refcount_sub_and_test.constprop.0+0x3c/0x50 00000000 # [ 42.667480] CS: 0010 DS: 0000 ES: 0000 CR0: 0000[ 52.825738] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 [ 52.838294] direct_entry.cold+0x2c/0x38 000080050033 # [ 42.673894] CR2: ffffffffbd4d1590 CR3: 000000[ 52.842683] full_proxy_write+0x53/0x80 [ 52.853171] vfs_write+0xe7/0x3a0 [ 52.856892] ksys_write+0x68/0xf0 [ 52.860618] do_syscall_64+0x30/0x40 [ 52.864640] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 52.870283] RIP: 0033:0x7faa0c94e833 [ 52.874273] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 52.895255] RSP: 002b:00007ffe565f5118 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 52.903714] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007faa0c94e833 [ 52.911685] RDX: 0000000000000020 RSI: 00007faa0c841000 RDI: 0000000000000001 [ 52.919656] RBP: 00007faa0c841000 R08: 00007faa0c840010 R09: 0000000000000000 [ 52.927626] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 52.935597] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 52.943589] irq event stamp: 0 0103e2c001 CR4: 00000000003706e0 # WRITE_RO: saw 'call trace:':[ 52.947005] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 52.960215] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 52.969376] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 52.978515] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 52.985516] ---[ end trace 7a8cb61385a8dead ]--- [ 52.990670] lkdtm: Saturation detected: still saturated ok ok 39 selftests: lkdtm: WRITE_RO.sh # selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # Killed # [ 42.789531] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT # [ 42.800296] lkdtm: attempting bad ro_after_init write at ffffffffbd930330 # [ 42.807905] BUG: unable to handle page fault for address: ffffffffbd930330 # [ 42.815591] #PF: supervisor write access in kernel mode # [ 42.821426] #PF: error_code(0x0003) - permissions violation # [ 42.827650] PGD 161829067 P4D 161829067 PUD 16182a063 PMD 1049fd063 PTE 8000000161730061 # [ 42.842912] Oops: 0003 [#15] SMP PTI # [ 42.846904] CPU: 3 PID: 1909 Comm: cat Tainted: G D W 5.10.167-cip25 #1 # [ 42.855555] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 42.862376] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a # [ 42.868416] Code: 51 8b bd e9 18 98 fd ff 48 c7 c7 88 51 8b bd e8 0c 98 fd ff 48 8b 05 0a a9 be 00 ba 34 12 cd ab 48 c7 c7 30 51 8b bd 48 31 d0 <48> 89 05 f4 a8 be 00 e9 ea 97 fd ff 0f 1f 44 00 00 41 54 48 c7 c7 # [ 42.889424] RSP: 0018:ffffb05a82817e60 EFLAGS: 00010202 # [ 42.895257] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 # [ 42.903225] RDX: 00000000abcd1234 RSI: ffff91df3ad9bf70 RDI: ffffffffbd8b5130 # [ 42.911195] RBP: ffffffffbd8b4326 R08: 0000000000000000 R09: 0000000000000000 # [ 42.919167] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 # [ 42.927134] R13: ffffb05a82817f10 R14: ffffb05a82817f10 R15: ffff91dec3f95000 # [ 42.935102] FS: 00007fc8e4da9580(0000) GS:ffff91df3ad80000(0000) knlGS:0000[ 53.149544] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED 000000000000 # [ 42.944142] CS: 0010 DS: 0000 ES: 0000 CR0: [ 53.159637] lkdtm: attempting bad refcount_sub_and_test() from saturated 0000000080050033 # [ 42.950549] CR2: ffffffffbd930330 CR3: 00[ 53.173346] ------------[ cut here ]------------ [ 53.184708] refcount_t: underflow; use-after-free. 00000103efa006 CR4: 00000000003706e0 # [ 42.958517] Call Trac[ 53.190089] WARNING: CPU: 1 PID: 2515 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 e: # [ 42.961243] direct_entry.cold+0x2c/0x38 # [ 42.9656[ 53.205698] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 13] full_proxy_write+0x53/0x80 # [ 42.969895] vfs_write+0xe[ 53.238339] CPU: 1 PID: 2515 Comm: cat Tainted: G D W 5.10.167-cip25 #1 [ 53.253202] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 7/0x3a0 # [ 42.973593] ksys_write+0x68/0xf0 # [ 42.977290[ 53.260012] RIP: 0010:refcount_warn_saturate+0xba/0x110 ] do_syscall_64+0x30/0x40 # [ 42.981277] entry_SYSCALL_64_a[ 53.272056] Code: 01 01 e8 3b a4 95 00 0f 0b c3 cc cc cc cc 80 3d 56 ed 93 01 00 75 85 48 c7 c7 28 fa 84 bd c6 05 46 ed 93 01 01 e8 18 a4 95 00 <0f> 0b c3 cc cc cc cc 80 3d 31 ed 93 01 00 0f 85 5e ff ff ff 48 c7 fter_hwframe+0x61/0xc6 # [ 42.986919] RIP: 0033:0x7fc8e4cbf83[ 53.299254] RSP: 0018:ffffb05a8318fe40 EFLAGS: 00010286 [ 53.311305] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 3 # [ 42.990907] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7[ 53.319278] RDX: ffff91df3acac660 RSI: ffff91df3ac9bf70 RDI: ffff91df3ac9bf70 [ 53.333458] RBP: ffffffffbd8b4078 R08: 0000000000000000 R09: 0000000000000000 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 [ 53.341435] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 53.355613] R13: ffffb05a8318ff10 R14: ffffb05a8318ff10 R15: ffff91dec3d2d000 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00[ 53.363588] FS: 00007f5b87cd5580(0000) GS:ffff91df3ac80000(0000) knlGS:0000000000000000 [ 53.378837] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 48 83 ec 28 48 89 54 24 18 # [ 43.011888] RSP: 002b:00007ffe[ 53.385255] CR2: 00007f5b87ade000 CR3: 0000000105ca6003 CR4: 00000000003706e0 [ 53.399435] Call Trace: c1723228 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 43.0[ 53.402170] __refcount_sub_and_test.constprop.0+0x3c/0x50 20334] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007fc8[ 53.414503] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 e4cbf833 # [ 43.028303] RDX: 0000000000000014 RSI: 00007fc8e4[ 53.427039] direct_entry.cold+0x2c/0x38 bb2000 RDI: 0000000000000001 # [ 43.036272] RBP: 00007fc8e4bb[ 53.437642] full_proxy_write+0x53/0x80 2000 R08: 00007fc8e4bb1010 R09: 0000000000000000 # [ 43.04424[ 53.448136] vfs_write+0xe7/0x3a0 1] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 000000000000[ 53.458051] ksys_write+0x68/0xf0 0001 # [ 43.052210] R13: 0000000000000001 R14: 00000000000200[ 53.467965] do_syscall_64+0x30/0x40 00 R15: 0000000000020000 # [ 43.060180] Modules linked in: fu[ 53.478171] entry_SYSCALL_64_after_hwframe+0x61/0xc6 se ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_t[ 53.490027] RIP: 0033:0x7f5b87beb833 riggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec[ 53.500255] Code: 8b 15 61 26 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 _sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_[ 53.527434] RSP: 002b:00007fff769cf7a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 temp_thermal cros_ec_dev cros_usbpd_notify # [ 43.086632] CR2[ 53.542101] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f5b87beb833 : ffffffffbd930330 # [ 43.096538] ---[ end trace 7a8cb61385a8[ 53.556288] RDX: 0000000000000020 RSI: 00007f5b87ade000 RDI: 0000000000000001 de9c ]--- # [ 43.101693] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ [ 53.570475] RBP: 00007f5b87ade000 R08: 00007f5b87add010 R09: 0000000000000000 43.106069] Code: 89 ff e8 ce 62 a3 ff 48 c7 c0 ea ff ff ff eb de[ 53.584663] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 [ 53.598849] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00[ 53.613059] irq event stamp: 0 83 05 40 5d 92 02 # [ 43.127040] RSP: 0018:ffffb05a81437e60 [ 53.622661] hardirqs last enabled at (0): [<0000000000000000>] 0x0 EFLAGS: 00010282 # [ 43.132872] RAX: ffffffffbc6e4910 RBX: 00[ 53.635879] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 00000000000001 RCX: 0000000000000000 # [ 43.140841] RDX: 0000[ 53.651230] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 000000000000 RSI: ffff91df3ac1bf70 RDI: ffffffffbd4d1110 # [ [ 53.666584] softirqs last disabled at (0): [<0000000000000000>] 0x0 43.148810] RBP: ffffffffbd90f8a0 R08: 0000000000000001 R09: 0000[ 53.679799] ---[ end trace 7a8cb61385a8deae ]--- 000000000001 # [ 43.156778] R10: 00000000ffffe000 R11: 3fffff[ 53.691172] lkdtm: Saturation detected: still saturated ffffffffff R12: 0000000000000004 # [ 43.164747] R13: ffffb05a81437f10 R14: ffffb05a81437f10 R15: ffff91dec4063000 # [ 43.172713] FS: 00007fc8e4da9580(0000) GS:ffff91df3ad80000(0000) knlGS:0000000000000000 # [ 43.181750] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 43.188164] CR2: ffffffffbd930330 CR3: 0000000103efa006 CR4: 00000000003706e0 # [ 43.196131] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 43.206040] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1909, name: cat # [ 43.214492] INFO: lockdep is turned off. # [ 43.218868] irq event stamp: 0 # [ 43.222272] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 43.229271] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 43.238421] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 43.247555] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 43.254554] CPU: 3 PID: 1909 Comm: cat Tainted: G D W 5.10.167-cip25 #1 # [ 43.263192] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 43.269994] Call Trace: # [ 43.272722] dump_stack+0x77/0x9b # [ 43.276425] ___might_sleep.cold+0xa6/0xb6 # [ 43.280997] exit_signals+0x1c/0x2e0 # [ 43.284986] do_exit+0xc2/0xaf0 # [ 43.288488] ? ksys_write+0x68/0xf0 # [ 43.292377] make_task_dead+0x2f/0x30 # [ 43.296461] rewind_stack_and_make_dead+0x17/0x20 # [ 43.301710] RIP: 0033:0x7fc8e4cbf833 # [ 43.305696] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 43.326674] RSP: 002b:00007ffec1723228 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 43.335118] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007fc8e4cbf833 # [ 43.343088] RDX: 0000000000000014 RSI: 00007fc8e4bb2000 RDI: 0000000000000001 # [ 43.351055] RBP: 00007fc8e4bb2000 R08: 00007fc8e4bb1010 R09: 0000000000000000 # [ 43.359022] R10: f[ 53.904324] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO ffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [[ 53.915055] lkdtm: attempting good copy_to_user of correct size 43.366990] R13: 0000000000000001 R14: 0000000000020000 R15: 0[ 53.927931] lkdtm: attempting bad copy_to_user of too large size 000000000020000 # WRITE_RO_AFTER_INIT: saw 'call trace:': ok ok 40 selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # selftests: lkdtm: WRITE_KERN.sh # Killed # [ 43.498622] lkdtm: Performing direct entry WRITE_KERN # [ 43.504960] lkdtm: attempting bad 6687846 byte write at ffffffffbcd45946 # [ 43.518678] BUG: unable to handle page fault for address: ffffffffbcd45946 # [ 43.532556] #PF: supervisor write access in kernel mode # [ 43.538392] #PF: error_code(0x0003) - permissions violation # [ 43.544613] PGD 161829067 P4D 161829067 PUD 16182a063 PMD 160a000e1 # [ 43.557929] Oops: 0003 [#16] SMP PTI # [ 43.561908] CPU: 1 PID: 1944 Comm: cat Tainted: G D W 5.10.167-cip25 #1 # [ 43.570558] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 43.577373] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e # [ 43.582528] Code: 53 48 c7 c3 46 59 d4 bc 49 89 dc 48 89 da 49 81 ec e0 4c 6e bc 4c 89 e6 e8 bf 97 fd ff 48 89 df 4c 89 e1 48 c7 c6 e0 4c 6e bc a4 48 c7 c7 30 51 8b bd e8 a4 97 fd ff 5b 41 5c e9 b7 fe ff ff # [ 43.609719] RSP: 0018:ffffb05a828c7e50 EFLAGS: 00010246 # [ 43.615552] RAX: 000000000000003c RBX: ffffffffbcd45946 RCX: 0000000000660c66 # [ 43.623[ 54.055691] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM 521] RDX: 0000000000000000 RSI: ffffffffbc6e4ce0 RDI: ffffffffbc[ 54.065803] lkdtm: attempting good copy_from_user of correct size d45946 # [ 43.631490] RBP: ffffffffbd8b433a R08: 000000000000[ 54.078833] lkdtm: attempting bad copy_from_user of too large size 0000 R09: 0000000000000000 # [ 43.639460] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000660c66 # [ 43.647432] R13: ffffb05a828c7f10 R14: ffffb05a828c7f10 R15: ffff91dec3003000 # [ 43.655401] FS: 00007f3de1d84580(0000) GS:ffff91df3ac80000(0000) knlGS:0000000000000000 # [ 43.664439] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 43.670854] CR2: ffffffffbcd45946 CR3: 0000000103c9a003 CR4: 00000000003706e0 # [ 43.678821] Call Trace: # [ 43.681551] direct_entry.cold+0x2c/0x38 # [ 43.685929] full_proxy_write+0x53/0x80 # [ 43.696437] vfs_write+0xe7/0x3a0 # [ 43.700134] ksys_write+0x68/0xf0 # [ 43.710042] do_syscall_64+0x30/0x40 # [ 43.714033] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 43.719663] RIP: 0033:0x7f3de1c9a833 # [ 43.723651] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 43.744630] RSP: 002b:00007ffc752e66c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 43.753084] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f3de1c9a833 # [ 43.761053] RDX: 000000000000000b RSI: 00007f3de1b8d000 RDI: 0000000000000001 # [ 43.7690[ 54.213763] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO [ 54.223498] lkdtm: attempting good copy_to_user inside whitelist 22] RBP: 00007f3de1b8d000 R08: 00007f3de1b8c010 R09: 00000000000[ 54.230230] lkdtm: attempting bad copy_to_user outside whitelist 00000 # [ 43.776988] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 43.784956] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 43.792927] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 43.825562] CR2: ffffffffbcd45946 # [ 43.829259] ---[ end trace 7a8cb61385a8de9d ]--- # [ 43.834434] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 43.838810] Code: 89 ff e8 ce 62 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 40 5d 92 02 # [ 43.859788] RSP: 0018:ffffb05a81437e60 EFLAGS: 00010282 # [ 43.865620] RAX: ffffffffbc6e4910 RBX: 0000000000000001 RCX: 0000000000000000 # [ 43.873587] RDX: 0000000000000000 RSI: ffff91df3ac1bf70 RDI: ffffffffbd4d1110 # [ 43.881554] RBP: ffffffffbd90f8a0 R08: 0000000000000001 R09: 0000000000000001 # [ 43.889521] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 43.897489] R13: ffffb05a81437f10 R14: ffffb05a81437f10 R15: ffff91d[ 54.366308] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM [ 54.374842] lkdtm: attempting good copy_from_user inside whitelist [ 54.381758] lkdtm: attempting bad copy_from_user outside whitelist ec4063000 # [ 43.905458] FS: 00007f3de1d84580(0000) GS:ffff91df3ac80000(0000) knlGS:0000000000000000 # [ 43.914492] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 43.920906] CR2: ffffffffbcd45946 CR3: 0000000103c9a003 CR4: 00000000003706e0 # WRITE_KERN: saw 'call trace:': ok ok 41 selftests: lkdtm: WRITE_KERN.sh # selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # [ 44.041078] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 44.053682] lkdtm: attempting good refcount_inc() without overflow # [ 44.060592] lkdtm: attempting bad refcount_inc() overflow # [ 44.066628] ------------[ cut here ]------------ # [ 44.071782] refcount_t: saturated; leaking memory. # [ 44.077161] WARNING: CPU: 3 PID: 1979 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 44.086596] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 44.119227] CPU: 3 PID: 1979 Comm: cat Tainted: G D W 5.10.167-cip25 #1 # [ 44.127902] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 44.134710] RIP: 0010:refcount_warn_sat[ 54.509509] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO [ 54.519984] lkdtm: good_stack: ffffb05a8352fe20-ffffb05a8352fe40 [ 54.526701] lkdtm: bad_stack : ffffb05a8352fda8-ffffb05a8352fdc8 [ 54.533424] lkdtm: attempting good copy_to_user of local stack [ 54.539948] lkdtm: attempting bad copy_to_user of distant stack urate+0x51/0x110 # [ 44.140545] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d c1 ed 93 01 00 75 ee 48 c7 c7 d0 f9 84 bd c6 05 b1 ed 93 01 01 e8 81 a4 95 00 <0f> 0b c3 cc cc cc cc 80 3d 9d ed 93 01 00 75 cb 48 c7 c7 f8 f9 84 # [ 44.161529] RSP: 0018:ffffb05a82957e48 EFLAGS: 00010286 # [ 44.167374] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 # [ 44.175348] RDX: ffff91df3adac660 RSI: ffff91df3ad9bf70 RDI: ffff91df3ad9bf70 # [ 44.189530] RBP: ffffffffbd8b4345 R08: 0000000000000000 R09: 0000000000000000 # [ 44.197503] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 44.211691] R13: ffffb05a82957f10 R14: ffffb05a82957f10 R15: ffff91dec3d8c000 # [ 44.225877] FS: 00007f5b16cdc580(0000) GS:ffff91df3ad80000(0000) knlGS:0000000000000000 # [ 44.241134] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 44.247551] CR2: 00007f5b16ae5000 CR3: 0000000105726003 CR4: 00000000003706e0 # [ 44.255523] Call Trace: # [ 44.258254] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 # [ 44.263636] direct_entry.cold+0x2c/0x38 # [ 44.268048] full_proxy_write+0x53/0x80 # [ 44.272378] vfs_write+0xe7/0x3a0 # [ 44.276094] ksys_write+0x68/0xf0 # [ 44.286017] do_syscall_64+0x30/0x40 # [ 44.290018] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 44.301866][ 54.672163] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM RIP: 0033:0x7f5b16bf2833 # [ 44.305856] Code: 8b 15 61 26 0e[ 54.684338] lkdtm: good_stack: ffffb05a835c7e20-ffffb05a835c7e40 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 [ 54.697257] lkdtm: bad_stack : ffffb05a835c7da8-ffffb05a835c7dc8 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff[ 54.710196] lkdtm: attempting good copy_from_user of local stack ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 44.32[ 54.723165] lkdtm: attempting bad copy_from_user of distant stack 6839] RSP: 002b:00007fff4f92b0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 44.335297] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f5b16bf2833 # [ 44.343267] RDX: 0000000000000016 RSI: 00007f5b16ae5000 RDI: 0000000000000001 # [ 44.351238] RBP: 00007f5b16ae5000 R08: 00007f5b16ae4010 R09: 0000000000000000 # [ 44.359208] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 44.367180] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 44.375156] irq event stamp: 0 # [ 44.378589] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 44.391799] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 44.400935] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 44.410070] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 44.417070] ---[ end trace 7a8cb61385a8de9e ]--- # [ 44.422225] 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 # [ 44.529132] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 44.539704] lkdtm: attempting good refcount_add() without overflow # [ 44[ 54.855794] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND [ 54.867147] lkdtm: good_stack: ffffb05a83637e20-ffffb05a83637e40 [ 54.873888] lkdtm: bad_stack : ffffb05a83637ff8-ffffb05a83638018 [ 54.880622] lkdtm: attempting good copy_to_user of local stack .552825] lkdtm: attempting bad refcount_add() overflow # [ 44[ 54.887152] lkdtm: attempting bad copy_to_user of distant stack [ 54.899991] lkdtm: copy_to_user failed, but lacked Oops .565050] ------------[ cut here ]------------ # [ 44.576419] refcount_t: saturated; leaking memory. # [ 44.588014] WARNING: CPU: 1 PID: 2011 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 44.603627] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 44.636287] CPU: 1 PID: 2011 Comm: cat Tainted: G D W 5.10.167-cip25 #1 # [ 44.651130] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 44.664149] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 44.676201] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d c1 ed 93 01 00 75 ee 48 c7 c7 d0 f9 84 bd c6 05 b1 ed 93 01 01 e8 81 a4 95 00 <0f> 0b c3 cc cc cc cc 80 3d 9d ed 93 01 00 75 cb 48 c7 c7 f8 f9 84 # [ 44.697185] RSP: 0018:ffffb05a829d7e48 EFLAGS: 00010286 # [ 44.709229] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 # [ 44.717202] RDX: ffff91df3acac660 RSI: ffff91df3ac9bf70 RDI: ffff91df3ac9bf70 # [ 44.731383] RBP: ffffffffbd8b435b R08: 0000000000000000 R09: 0000000000000000 # [ 44.739375] R10: 00000000ffffe000 R11: 3f[ 55.026918] lkdtm: Performing direct entry USERCOPY_KERNEL ffffffffffffff R12: 0000000000000016 # [ 44.753554] R13: ffff[ 55.036446] lkdtm: attempting good copy_to_user from kernel rodata: ffffffffbd4d15b0 b05a829d7f10 R14: ffffb05a829d7f10 R15: ffff91dec4d84000 # [ [ 55.051358] lkdtm: attempting bad copy_to_user from kernel text: ffffffffbc0e3b20 44.761530] FS: 00007f7ef6a56580(0000) GS:ffff91df3ac80000(0000)[ 55.065995] lkdtm: FAIL: survived bad copy_to_user() knlGS:0000000000000000 # [ 44.776776] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 44.783196] CR2: 00007f7ef685f000 CR3: 0000000103c84002 CR4: 00000000003706e0 # [ 44.797377] Call Trace: # [ 44.800109] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 # [ 44.811667] direct_entry.cold+0x2c/0x38 # [ 44.822262] full_proxy_write+0x53/0x80 # [ 44.832757] vfs_write+0xe7/0x3a0 # [ 44.842675] ksys_write+0x68/0xf0 # [ 44.852591] do_syscall_64+0x30/0x40 # [ 44.862795] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 44.874649] RIP: 0033:0x7f7ef696c833 # [ 44.884854] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 44.905837] RSP: 002b:00007ffdadcc0888 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 44.920503] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f7ef696c833 # [ 44.928477] RDX: 0000000000000016 RSI: 00007f7ef685f000 RDI: 0000000000000001 # [ 44.942657] RBP: 00007f7ef685f000 R08: 00007f7ef685e010 R09: 0000000000000000 # [ 44.950630] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 44.964810] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 44.972803] irq event stamp: [ 55.203715] lkdtm: Performing direct entry STACKLEAK_ERASING 0 # [ 44.982436] hardirqs last enabled at (0): [<00000000000[ 55.214523] lkdtm: checking unused part of the thread stack (15928 bytes)... 00000>] 0x0 # [ 44.995656] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 45.011008] so[ 55.242624] lkdtm: FAIL: the thread stack is NOT properly erased ftirqs last enabled at (0): [] copy_process+0[ 55.255570] CPU: 0 PID: 2880 Comm: cat Tainted: G D W 5.10.167-cip25 #1 [ 55.270399] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 55.277194] Call Trace: [ 55.279924] dump_stack+0x77/0x9b [ 55.283628] lkdtm_STACKLEAK_ERASING+0x116/0x144 [ 55.288783] direct_entry.cold+0x2c/0x38 [ 55.293160] full_proxy_write+0x53/0x80 [ 55.297445] vfs_write+0xe7/0x3a0 [ 55.301147] ksys_write+0x68/0xf0 [ 55.304845] do_syscall_64+0x30/0x40 [ 55.308832] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 55.314471] RIP: 0033:0x7f6104f5d833 [ 55.318450] Code: 8b 15 61 26 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 [ 55.339429] RSP: 002b:00007ffd351a5a58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 55.347876] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f6104f5d833 [ 55.355843] RDX: 0000000000000012 RSI: 00007f6104e50000 RDI: 0000000000000001 [ 55.363812] RBP: 00007f6104e50000 R08: 00007f6104e4f010 R09: 0000000000000000 [ 55.371780] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 55.379748] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 x664/0x1cb0 # [ 45.020147] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 45.033376] ---[ end trace 7a8cb61385a8de9f ]--- # [ 45.038532] 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 # [ 45.154116] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 45.163045] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 45.169976] ------------[ cut here ]------------ # [ 45.181349] refcount_t: saturated; leaking memory. # [ 45.192935] WARNING: CPU: 3 PID: 2043 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 45.202369] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 45.235025] CPU: 3 PID: 2043 Comm: cat Tainted: G D W 5.10.167-cip25 #1 # [ 45.243686] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 45.256701] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 45.262537] Code: 01 01 e8 5e a4 95 00 0f 0b c3 cc cc cc cc 80 3d 7c ed 93 01 00 75 a8 48 c7 c7 d0 f9 84 bd c6 05 6c ed 93 01 01 e8 3b a4 95 00 <0f> 0b c3 cc cc cc cc 80 3d 56 ed 93 01 00 75 85 48 c7 c7 28 fa 84 # [ 45.283519] RSP: 0018:ffffb05a82a07e38 EFLAGS: 00010282 # [ 45.289375] RAX: 0000000000000000 RBX: [ 55.533515] lkdtm: Performing direct entry CFI_FORWARD_PROTO 000000007fffffff RCX: 0000000000000000 # [ 45.297349] RDX: ff[ 55.543243] lkdtm: Calling matched prototype ... ff91df3adac660 RSI: ffff91df3ad9bf70 RDI: ffff91df3ad9bf70 # [ [ 55.554617] lkdtm: Calling mismatched prototype ... [ 55.566274] lkdtm: Fail: survived mismatched prototype function call! 45.311528] RBP: ffffffffbd8b3f98 R08: 0000000000000000 R09: 0000000000000000 # [ 45.319500] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 45.327473] R13: ffffb05a82a07f10 R14: ffffb05a82a07f10 R15: ffff91dec3efa000 # [ 45.335444] FS: 00007f8352cfd580(0000) GS:ffff91df3ad80000(0000) knlGS:0000000000000000 # [ 45.344486] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 45.350904] CR2: 00007f8352b06000 CR3: 000000010318a004 CR4: 00000000003706e0 # [ 45.358875] Call Trace: # [ 45.361605] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 45.367755] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 45.374006] direct_entry.cold+0x2c/0x38 # [ 45.378429] full_proxy_write+0x53/0x80 # [ 45.382743] vfs_write+0xe7/0x3a0 # [ 45.386469] ksys_write+0x68/0xf0 # [ 45.390171] do_syscall_64+0x30/0x40 # [ 45.394195] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 45.399862] RIP: 0033:0x7f8352c13833 # [ 45.403854] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 45.424838] RSP: 002b:00007fff360a1438 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 45.433296] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f8352c13833 # [ 45.441268] RDX: 000000000000001f RSI: 00007f8352b06000 RDI: 0000000000000001 # [ 45.449242] RBP: 00007f8352b06000 R08: 00007f8352b05010 R09: 0000000000000000 # [ 45.463428] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 45.477617] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 45.485596] irq event stamp: 0 # [ 45.489030] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 45.502243] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 45.517594] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 45.532948] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 45.546164] ---[ end trace 7a8cb61385a8dea0 ]--- # [ 45.557536] 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 # [ 45.672223] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 45.682056] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 45.688962] ------------[ cut here ]------------ # [ 45.694119] refcount_t: saturated; leaking memory. # [ 45.699497] WARNING: CPU: 3 PID: 2075 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 45.708932] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 45.741564] CPU: 3 PID: 2075 Comm: cat Tainted: G D W 5.10.167-cip25 #1 # [ 45.750240] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 45.763265] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 45.769132] Code: 01 01 e8 5e a4 95 00 0f 0b c3 cc cc cc cc 80 3d 7c ed 93 01 00 75 a8 48 c7 c7 d0 f9 84 bd c6 05 6c ed 93 01 01 e8 3b a4 95 00 <0f> 0b c3 cc cc cc cc 80 3d 56 ed 93 01 00 75 85 48 c7 c7 28 fa 84 # [ 45.790114] RSP: 0018:ffffb05a82aefe38 EFLAGS: 00010282 # [ 45.795951] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 45.803945] RDX: ffff91df3adac660 RSI: ffff91df3ad9bf70 RDI: ffff91df3ad9bf70 # [ 45.811919] RBP: ffffffffbd8b3fb8 R08: 0000000000000000 R09: 0000000000000000 # [ 45.826097] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 45.834068] R13: ffffb05a82aeff10 R14: ffffb05a82aeff10 R15: ffff91dec2774000 # [ 45.842040] FS: 00007f597e194580(0000) GS:ffff91df3ad80000(0000) knlGS:0000000000000000 # [ 45.851079] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 45.857496] CR2: 00007f597df9d000 CR3: 0000000103be4002 CR4: 00000000003706e0 # [ 45.865466] Call Trace: # [ 45.868197] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 45.874366] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 45.880601] direct_entry.cold+0x2c/0x38 # [ 45.891190] full_proxy_write+0x53/0x80 # [ 45.895497] vfs_write+0xe7/0x3a0 # [ 45.899221] ksys_write+0x68/0xf0 # [ 45.902923] do_syscall_64+0x30/0x40 # [ 45.906939] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 45.912580] RIP: 0033:0x7f597e0aa833 # [ 45.916570] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 45.937551] RSP: 002b:00007fffa44c8178 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 45.946008] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f597e0aa833 # [ 45.953981] RDX: 000000000000001f RSI: 00007f597df9d000 RDI: 0000000000000001 # [ 45.961951] RBP: 00007f597df9d000 R08: 00007f597df9c010 R09: 0000000000000000 # [ 45.969921] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 45.977892] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 45.985867] irq event stamp: 0 # [ 45.989300] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 46.002511] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 46.011648] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 46.020788] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 46.034003] ---[ end trace 7a8cb61385a8dea1 ]--- # [ 46.039158] 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 # [ 46.162415] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 46.174926] lkdtm: attempting good refcount_dec() # [ 46.180214] lkdtm: attempting bad refcount_dec() to zero # [ 46.186183] ------------[ cut here ]------------ # [ 46.191347] refcount_t: decrement hit 0; leaking memory. # [ 46.197310] WARNING: CPU: 3 PID: 2107 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 46.206749] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 46.239383] CPU: 3 PID: 2107 Comm: cat Tainted: G D W 5.10.167-cip25 #1 # [ 46.248040] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 46.254848] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 46.260717] Code: 80 fa 84 bd c6 05 1d ed 93 01 01 e8 f1 a3 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 50 fa 84 bd c6 05 04 ed 93 01 01 e8 d7 a3 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 46.281702] RSP: 0018:ffffb05a82b7fe48 EFLAGS: 00010286 # [ 46.287569] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 # [ 46.295541] RDX: ffff91df3adac660 RSI: ffff91df3ad9bf70 RDI: ffff91df3ad9bf70 # [ 46.303514] RBP: ffffffffbd8b4371 R08: 0000000000000000 R09: 0000000000000000 # [ 46.311488] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 46.325676] R13: ffffb05a82b7ff10 R14: ffffb05a82b7ff10 R15: ffff91dec3d0b000 # [ 46.339861] FS: 00007fee91588580(0000) GS:ffff91df3ad80000(0000) knlGS:0000000000000000 # [ 46.348901] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 46.355318] CR2: 00007fee91391000 CR3: 0000000103144006 CR4: 00000000003706e0 # [ 46.363290] Call Trace: # [ 46.366044] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd # [ 46.371021] direct_entry.cold+0x2c/0x38 # [ 46.381603] full_proxy_write+0x53/0x80 # [ 46.385886] vfs_write+0xe7/0x3a0 # [ 46.389609] ksys_write+0x68/0xf0 # [ 46.393309] do_syscall_64+0x30/0x40 # [ 46.397323] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 46.402964] RIP: 0033:0x7fee9149e833 # [ 46.406954] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 46.427937] RSP: 002b:00007ffef5618778 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 46.436395] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fee9149e833 # [ 46.444377] RDX: 0000000000000012 RSI: 00007fee91391000 RDI: 0000000000000001 # [ 46.452351] RBP: 00007fee91391000 R08: 00007fee91390010 R09: 0000000000000000 # [ 46.466534] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 46.480721] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 46.488697] irq event stamp: 0 # [ 46.492133] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 46.499135] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 46.508272] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 46.517424] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 46.524426] ---[ end trace 7a8cb61385a8dea2 ]--- # [ 46.529581] 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 # [ 46.643014] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 46.652869] lkdtm: attempting bad refcount_dec() below zero # [ 46.659126] ------------[ cut here ]------------ # [ 46.664309] refcount_t: decrement hit 0; leaking memory. # [ 46.676488] WARNING: CPU: 3 PID: 2142 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 46.685926] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 46.718580] CPU: 3 PID: 2142 Comm: cat Tainted: G D W 5.10.167-cip25 #1 # [ 46.727248] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 46.740259] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 46.746126] Code: 80 fa 84 bd c6 05 1d ed 93 01 01 e8 f1 a3 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 50 fa 84 bd c6 05 04 ed 93 01 01 e8 d7 a3 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 46.767133] RSP: 0018:ffffb05a82befe48 EFLAGS: 00010286 # [ 46.773000] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 # [ 46.780974] RDX: ffff91df3adac660 RSI: ffff91df3ad9bf70 RDI: ffff91df3ad9bf70 # [ 46.788976] RBP: ffffffffbd8b4383 R08: 0000000000000000 R09: 0000000000000000 # [ 46.796949] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 46.804921] R13: ffffb05a82beff10 R14: ffffb05a82beff10 R15: ffff91dec27ff000 # [ 46.812895] FS: 00007fbefd8e7580(0000) GS:ffff91df3ad80000(0000) knlGS:0000000000000000 # [ 46.821934] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 46.828378] CR2: 00007fbefd6f0000 CR3: 0000000103024002 CR4: 00000000003706e0 # [ 46.836357] Call Trace: # [ 46.845297] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 # [ 46.850682] direct_entry.cold+0x2c/0x38 # [ 46.855098] full_proxy_write+0x53/0x80 # [ 46.859428] vfs_write+0xe7/0x3a0 # [ 46.863162] ksys_write+0x68/0xf0 # [ 46.866894] do_syscall_64+0x30/0x40 # [ 46.870918] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 46.876592] RIP: 0033:0x7fbefd7fd833 # [ 46.880584] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 46.901600] RSP: 002b:00007fff76cee8c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 46.910060] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fbefd7fd833 # [ 46.918031] RDX: 0000000000000016 RSI: 00007fbefd6f0000 RDI: 0000000000000001 # [ 46.926003] RBP: 00007fbefd6f0000 R08: 00007fbefd6ef010 R09: 0000000000000000 # [ 46.933976] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 46.941951] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 46.956144] irq event stamp: 0 # [ 46.965765] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 46.972797] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 46.981937] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 46.991075] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 46.998078] ---[ end trace 7a8cb61385a8dea3 ]--- # [ 47.003233] 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 # [ 47.121054] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 47.134004] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 47.141114] ------------[ cut here ]------------ # [ 47.152483] refcount_t: underflow; use-after-free. # [ 47.157862] WARNING: CPU: 3 PID: 2177 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 47.167296] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 47.199928] CPU: 3 PID: 2177 Comm: cat Tainted: G D W 5.10.167-cip25 #1 # [ 47.208580] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 47.215388] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 47.221225] Code: 01 01 e8 3b a4 95 00 0f 0b c3 cc cc cc cc 80 3d 56 ed 93 01 00 75 85 48 c7 c7 28 fa 84 bd c6 05 46 ed 93 01 01 e8 18 a4 95 00 <0f> 0b c3 cc cc cc cc 80 3d 31 ed 93 01 00 0f 85 5e ff ff ff 48 c7 # [ 47.248429] RSP: 0018:ffffb05a82c4fe40 EFLAGS: 00010286 # [ 47.254296] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 # [ 47.262269] RDX: ffff91df3adac660 RSI: ffff91df3ad9bf70 RDI: ffff91df3ad9bf70 # [ 47.270240] RBP: ffffffffbd8b3fd8 R08: 0000000000000000 R09: 0000000000000000 # [ 47.278234] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 47.286219] R13: ffffb05a82c4ff10 R14: ffffb05a82c4ff10 R15: ffff91dec3d04000 # [ 47.300395] FS: 00007f329eeb9580(0000) GS:ffff91df3ad80000(0000) knlGS:0000000000000000 # [ 47.309436] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 47.315852] CR2: 00007f329ecc2000 CR3: 000000010318c001 CR4: 00000000003706e0 # [ 47.323824] Call Trace: # [ 47.326555] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 47.332712] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 # [ 47.338938] direct_entry.cold+0x2c/0x38 # [ 47.343343] full_proxy_write+0x53/0x80 # [ 47.347628] vfs_write+0xe7/0x3a0 # [ 47.351376] ksys_write+0x68/0xf0 # [ 47.355078] do_syscall_64+0x30/0x40 # [ 47.365275] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 47.377132] RIP: 0033:0x7f329edcf833 # [ 47.381122] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 47.402104] RSP: 002b:00007ffe0f06dc08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 47.410560] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f329edcf833 # [ 47.418532] RDX: 000000000000001f RSI: 00007f329ecc2000 RDI: 0000000000000001 # [ 47.426503] RBP: 00007f329ecc2000 R08: 00007f329ecc1010 R09: 0000000000000000 # [ 47.434473] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 47.442443] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 47.450436] irq event stamp: 0 # [ 47.453874] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 47.460875] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 47.470011] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 47.479147] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 47.486145] ---[ end trace 7a8cb61385a8dea4 ]--- # [ 47.491301] 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 # [ 47.630316] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 47.640709] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 47.654029] ------------[ cut here ]------------ # [ 47.665391] refcount_t: underflow; use-after-free. # [ 47.676974] WARNING: CPU: 1 PID: 2212 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 47.692608] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 47.725248] CPU: 1 PID: 2212 Comm: cat Tainted: G D W 5.10.167-cip25 #1 # [ 47.740115] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 47.753140] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 47.765191] Code: 01 01 e8 3b a4 95 00 0f 0b c3 cc cc cc cc 80 3d 56 ed 93 01 00 75 85 48 c7 c7 28 fa 84 bd c6 05 46 ed 93 01 01 e8 18 a4 95 00 <0f> 0b c3 cc cc cc cc 80 3d 31 ed 93 01 00 0f 85 5e ff ff ff 48 c7 # [ 47.792395] RSP: 0018:ffffb05a82cd7e40 EFLAGS: 00010286 # [ 47.804445] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 # [ 47.818634] RDX: ffff91df3acac660 RSI: ffff91df3ac9bf70 RDI: ffff91df3ac9bf70 # [ 47.832826] RBP: ffffffffbd8b3ff8 R08: 0000000000000000 R09: 0000000000000000 # [ 47.847013] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 47.861202] R13: ffffb05a82cd7f10 R14: ffffb05a82cd7f10 R15: ffff91dec5643000 # [ 47.875392] FS: 00007fade67bb580(0000) GS:ffff91df3ac80000(0000) knlGS:0000000000000000 # [ 47.890647] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 47.903282] CR2: 00007fade65c4000 CR3: 0000000103024006 CR4: 00000000003706e0 # [ 47.917469] Call Trace: # [ 47.926419] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 47.938762] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b # [ 47.951206] direct_entry.cold+0x2c/0x38 # [ 47.961803] full_proxy_write+0x53/0x80 # [ 47.972302] vfs_write+0xe7/0x3a0 # [ 47.982215] ksys_write+0x68/0xf0 # [ 47.992134] do_syscall_64+0x30/0x40 # [ 48.002341] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 48.014198] RIP: 0033:0x7fade66d1833 # [ 48.024405] Code: 8b 15 61 26 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 # [ 48.051611] RSP: 002b:00007ffc810e10b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 48.066286] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fade66d1833 # [ 48.080477] RDX: 000000000000001f RSI: 00007fade65c4000 RDI: 0000000000000001 # [ 48.094667] RBP: 00007fade65c4000 R08: 00007fade65c3010 R09: 0000000000000000 # [ 48.108857] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 48.123046] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 48.137251] irq event stamp: 0 # [ 48.146864] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 48.160079] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 48.175431] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 48.190786] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 48.204005] ---[ end trace 7a8cb61385a8dea5 ]--- # [ 48.215379] 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 # [ 48.339624] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 48.351079] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 48.364410] lkdtm: Good: zero detected # [ 48.374814] lkdtm: Correctly stayed at zero # [ 48.385689] lkdtm: attempting bad refcount_inc() from zero # [ 48.398080] ------------[ cut here ]------------ # [ 48.409450] refcount_t: addition on 0; use-after-free. # [ 48.421483] WARNING: CPU: 0 PID: 2244 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 48.437097] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 48.469715] CPU: 0 PID: 2244 Comm: cat Tainted: G D W 5.10.167-cip25 #1 # [ 48.484566] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 48.497593] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 48.509639] Code: 01 01 e8 81 a4 95 00 0f 0b c3 cc cc cc cc 80 3d 9d ed 93 01 00 75 cb 48 c7 c7 f8 f9 84 bd c6 05 8d ed 93 01 01 e8 5e a4 95 00 <0f> 0b c3 cc cc cc cc 80 3d 7c ed 93 01 00 75 a8 48 c7 c7 d0 f9 84 # [ 48.536842] RSP: 0018:ffffb05a82d4fe48 EFLAGS: 00010286 # [ 48.548897] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 # [ 48.563090] RDX: ffff91df3ac2c660 RSI: ffff91df3ac1bf70 RDI: ffff91df3ac1bf70 # [ 48.577284] RBP: ffffffffbd8b4399 R08: 0000000000000000 R09: 0000000000000000 # [ 48.591480] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 48.605674] R13: ffffb05a82d4ff10 R14: ffffb05a82d4ff10 R15: ffff91dec489b000 # [ 48.619893] FS: 00007f5d79c52580(0000) GS:ffff91df3ac00000(0000) knlGS:0000000000000000 # [ 48.635162] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 48.647803] CR2: 00007f5d79a5b000 CR3: 00000001015ec005 CR4: 00000000003706f0 # [ 48.661960] Call Trace: # [ 48.670908] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 # [ 48.682071] direct_entry.cold+0x2c/0x38 # [ 48.692664] full_proxy_write+0x53/0x80 # [ 48.703164] vfs_write+0xe7/0x3a0 # [ 48.713093] ksys_write+0x68/0xf0 # [ 48.723007] do_syscall_64+0x30/0x40 # [ 48.733217] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 48.745093] RIP: 0033:0x7f5d79b68833 # [ 48.755297] Code: 8b 15 61 26 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 # [ 48.782504] RSP: 002b:00007ffe7af757f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 48.797195] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f5d79b68833 # [ 48.811385] RDX: 0000000000000012 RSI: 00007f5d79a5b000 RDI: 0000000000000001 # [ 48.825576] RBP: 00007f5d79a5b000 R08: 00007f5d79a5a010 R09: 0000000000000000 # [ 48.839767] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 48.853948] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 48.868140] irq event stamp: 0 # [ 48.877765] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 48.891001] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 48.906360] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 48.921730] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 48.934931] ---[ end trace 7a8cb61385a8dea6 ]--- # [ 48.946297] 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 # [ 49.069065] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 49.081585] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 49.094915] lkdtm: Good: zero detected # [ 49.105292] lkdtm: Correctly stayed at zero # [ 49.116179] lkdtm: attempting bad refcount_add() from zero # [ 49.128520] ------------[ cut here ]------------ # [ 49.133679] refcount_t: addition on 0; use-after-free. # [ 49.145659] WARNING: CPU: 1 PID: 2276 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 49.161276] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 49.193912] CPU: 1 PID: 2276 Comm: cat Tainted: G D W 5.10.167-cip25 #1 # [ 49.208776] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 49.215585] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 49.227630] Code: 01 01 e8 81 a4 95 00 0f 0b c3 cc cc cc cc 80 3d 9d ed 93 01 00 75 cb 48 c7 c7 f8 f9 84 bd c6 05 8d ed 93 01 01 e8 5e a4 95 00 <0f> 0b c3 cc cc cc cc 80 3d 7c ed 93 01 00 75 a8 48 c7 c7 d0 f9 84 # [ 49.248615] RSP: 0018:ffffb05a82d9fe48 EFLAGS: 00010286 # [ 49.260660] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 # [ 49.268633] RDX: ffff91df3acac660 RSI: ffff91df3ac9bf70 RDI: ffff91df3ac9bf70 # [ 49.282811] RBP: ffffffffbd8b43ab R08: 0000000000000000 R09: 0000000000000000 # [ 49.290784] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 49.304963] R13: ffffb05a82d9ff10 R14: ffffb05a82d9ff10 R15: ffff91dec4ef2000 # [ 49.312937] FS: 00007f0c7a4fc580(0000) GS:ffff91df3ac80000(0000) knlGS:0000000000000000 # [ 49.328186] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 49.334605] CR2: 00007f0c7a305000 CR3: 0000000103024001 CR4: 00000000003706e0 # [ 49.348786] Call Trace: # [ 49.351518] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 # [ 49.362696] direct_entry.cold+0x2c/0x38 # [ 49.373294] full_proxy_write+0x53/0x80 # [ 49.383791] vfs_write+0xe7/0x3a0 # [ 49.393703] ksys_write+0x68/0xf0 # [ 49.403619] do_syscall_64+0x30/0x40 # [ 49.413825] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 49.425683] RIP: 0033:0x7f0c7a412833 # [ 49.429674] Code: 8b 15 61 26 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 # [ 49.456867] RSP: 002b:00007ffdc2557d08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 49.465328] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f0c7a412833 # [ 49.479509] RDX: 0000000000000012 RSI: 00007f0c7a305000 RDI: 0000000000000001 # [ 49.487482] RBP: 00007f0c7a305000 R08: 00007f0c7a304010 R09: 0000000000000000 # [ 49.501663] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 49.509637] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 49.523822] irq event stamp: 0 # [ 49.533442] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 49.540447] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 49.555791] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 49.564930] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 49.578139] ---[ end trace 7a8cb61385a8dea7 ]--- # [ 49.583298] 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 # [ 49.711870] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 49.719170] lkdtm: attempting bad refcount_inc() from saturated # [ 49.732000] ------------[ cut here ]------------ # [ 49.743367] refcount_t: saturated; leaking memory. # [ 49.754962] WARNING: CPU: 1 PID: 2311 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 49.770573] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 49.803244] CPU: 1 PID: 2311 Comm: cat Tainted: G D W 5.10.167-cip25 #1 # [ 49.818084] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 49.831104] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 49.836941] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d c1 ed 93 01 00 75 ee 48 c7 c7 d0 f9 84 bd c6 05 b1 ed 93 01 01 e8 81 a4 95 00 <0f> 0b c3 cc cc cc cc 80 3d 9d ed 93 01 00 75 cb 48 c7 c7 f8 f9 84 # [ 49.864134] RSP: 0018:ffffb05a82e1fe48 EFLAGS: 00010286 # [ 49.869973] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 # [ 49.884151] RDX: ffff91df3acac660 RSI: ffff91df3ac9bf70 RDI: ffff91df3ac9bf70 # [ 49.892124] RBP: ffffffffbd8b43bd R08: 0000000000000000 R09: 0000000000000000 # [ 49.906305] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 49.914277] R13: ffffb05a82e1ff10 R14: ffffb05a82e1ff10 R15: ffff91dec414d000 # [ 49.928460] FS: 00007f927d662580(0000) GS:ffff91df3ac80000(0000) knlGS:0000000000000000 # [ 49.937501] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 49.950128] CR2: 00007f927d46b000 CR3: 0000000103292002 CR4: 00000000003706e0 # [ 49.958102] Call Trace: # [ 49.967042] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 # [ 49.978730] direct_entry.cold+0x2c/0x38 # [ 49.989324] full_proxy_write+0x53/0x80 # [ 49.999822] vfs_write+0xe7/0x3a0 # [ 50.009736] ksys_write+0x68/0xf0 # [ 50.019656] do_syscall_64+0x30/0x40 # [ 50.029862] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 50.041717] RIP: 0033:0x7f927d578833 # [ 50.051922] Code: 8b 15 61 26 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 # [ 50.079122] RSP: 002b:00007fff7cdf4058 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 50.093796] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f927d578833 # [ 50.107983] RDX: 0000000000000017 RSI: 00007f927d46b000 RDI: 0000000000000001 # [ 50.122169] RBP: 00007f927d46b000 R08: 00007f927d46a010 R09: 0000000000000000 # [ 50.136378] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 50.150566] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 50.164758] irq event stamp: 0 # [ 50.174377] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 50.187595] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 50.202943] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 50.218295] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 50.231511] ---[ end trace 7a8cb61385a8dea8 ]--- # [ 50.242881] 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 # [ 50.390143] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 50.398489] lkdtm: attempting bad refcount_dec() from saturated # [ 50.411325] ------------[ cut here ]------------ # [ 50.422712] refcount_t: decrement hit 0; leaking memory. # [ 50.434864] WARNING: CPU: 0 PID: 2346 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 50.450496] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 50.483152] CPU: 0 PID: 2346 Comm: cat Tainted: G D W 5.10.167-cip25 #1 # [ 50.498031] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 50.511058] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 50.523128] Code: 80 fa 84 bd c6 05 1d ed 93 01 01 e8 f1 a3 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 50 fa 84 bd c6 05 04 ed 93 01 01 e8 d7 a3 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 50.550331] RSP: 0018:ffffb05a82eb7e48 EFLAGS: 00010286 # [ 50.562385] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 # [ 50.576561] RDX: ffff91df3ac2c660 RSI: ffff91df3ac1bf70 RDI: ffff91df3ac1bf70 # [ 50.590789] RBP: ffffffffbd8b43d4 R08: 0000000000000000 R09: 0000000000000000 # [ 50.604994] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 50.619189] R13: ffffb05a82eb7f10 R14: ffffb05a82eb7f10 R15: ffff91dec31e7000 # [ 50.633388] FS: 00007fb50da2b580(0000) GS:ffff91df3ac00000(0000) knlGS:0000000000000000 # [ 50.648669] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 50.661287] CR2: 00007fb50d834000 CR3: 0000000103e9a006 CR4: 00000000003706f0 # [ 50.675505] Call Trace: # [ 50.684514] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f # [ 50.696137] direct_entry.cold+0x2c/0x38 # [ 50.706778] full_proxy_write+0x53/0x80 # [ 50.717254] vfs_write+0xe7/0x3a0 # [ 50.727182] ksys_write+0x68/0xf0 # [ 50.737057] do_syscall_64+0x30/0x40 # [ 50.747290] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 50.759122] RIP: 0033:0x7fb50d941833 # [ 50.769330] Code: 8b 15 61 26 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 # [ 50.796528] RSP: 002b:00007ffc881a9588 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 50.811208] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fb50d941833 # [ 50.825416] RDX: 0000000000000017 RSI: 00007fb50d834000 RDI: 0000000000000001 # [ 50.839600] RBP: 00007fb50d834000 R08: 00007fb50d833010 R09: 0000000000000000 # [ 50.853785] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 50.867982] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 50.882163] irq event stamp: 0 # [ 50.891798] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 50.905007] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 50.920398] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 50.935718] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 50.948934] ---[ end trace 7a8cb61385a8dea9 ]--- # [ 50.960310] 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 # [ 51.106819] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 51.115979] lkdtm: attempting bad refcount_dec() from saturated # [ 51.122652] ------------[ cut here ]------------ # [ 51.127820] refcount_t: saturated; leaking memory. # [ 51.139399] WARNING: CPU: 2 PID: 2381 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 51.148875] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 51.175335] CPU: 2 PID: 2381 Comm: cat Tainted: G D W 5.10.167-cip25 #1 # [ 51.190194] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 51.197002] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 51.202840] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d c1 ed 93 01 00 75 ee 48 c7 c7 d0 f9 84 bd c6 05 b1 ed 93 01 01 e8 81 a4 95 00 <0f> 0b c3 cc cc cc cc 80 3d 9d ed 93 01 00 75 cb 48 c7 c7 f8 f9 84 # [ 51.223824] RSP: 0018:ffffb05a82f47e48 EFLAGS: 00010286 # [ 51.229683] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 # [ 51.237656] RDX: ffff91df3ad2c660 RSI: ffff91df3ad1bf70 RDI: ffff91df3ad1bf70 # [ 51.245629] RBP: ffffffffbd8b43eb R08: 0000000000000000 R09: 0000000000000000 # [ 51.259816] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 51.274005] R13: ffffb05a82f47f10 R14: ffffb05a82f47f10 R15: ffff91dec4d58000 # [ 51.282005] FS: 00007f06c5afc580(0000) GS:ffff91df3ad00000(0000) knlGS:0000000000000000 # [ 51.291043] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 51.297473] CR2: 00007f06c5905000 CR3: 0000000103ca4004 CR4: 00000000003706e0 # [ 51.305475] Call Trace: # [ 51.308207] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 # [ 51.313682] direct_entry.cold+0x2c/0x38 # [ 51.324294] full_proxy_write+0x53/0x80 # [ 51.328588] vfs_write+0xe7/0x3a0 # [ 51.338491] ksys_write+0x68/0xf0 # [ 51.342191] do_syscall_64+0x30/0x40 # [ 51.346204] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 51.351845] RIP: 0033:0x7f06c5a12833 # [ 51.355834] Code: 8b 15 61 26 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 # [ 51.376816] RSP: 002b:00007fff597fc618 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 51.385273] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f06c5a12833 # [ 51.393235] RDX: 0000000000000017 RSI: 00007f06c5905000 RDI: 0000000000000001 # [ 51.401206] RBP: 00007f06c5905000 R08: 00007f06c5904010 R09: 0000000000000000 # [ 51.409177] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 51.417148] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 51.425123] irq event stamp: 0 # [ 51.428556] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 51.441767] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 51.450905] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 51.460041] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 51.467042] ---[ end trace 7a8cb61385a8deaa ]--- # [ 51.472195] 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 # [ 51.622909] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 51.634875] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 51.642374] ------------[ cut here ]------------ # [ 51.647536] refcount_t: saturated; leaking memory. # [ 51.659121] WARNING: CPU: 2 PID: 2413 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 51.668558] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 51.701191] CPU: 2 PID: 2413 Comm: cat Tainted: G D W 5.10.167-cip25 #1 # [ 51.709871] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 51.716677] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 51.722511] Code: 01 01 e8 5e a4 95 00 0f 0b c3 cc cc cc cc 80 3d 7c ed 93 01 00 75 a8 48 c7 c7 d0 f9 84 bd c6 05 6c ed 93 01 01 e8 3b a4 95 00 <0f> 0b c3 cc cc cc cc 80 3d 56 ed 93 01 00 75 85 48 c7 c7 28 fa 84 # [ 51.743492] RSP: 0018:ffffb05a82fd7e38 EFLAGS: 00010282 # [ 51.749328] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 51.757302] RDX: ffff91df3ad2c660 RSI: ffff91df3ad1bf70 RDI: ffff91df3ad1bf70 # [ 51.771482] RBP: ffffffffbd8b4018 R08: 0000000000000000 R09: 0000000000000000 # [ 51.779453] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 51.787427] R13: ffffb05a82fd7f10 R14: ffffb05a82fd7f10 R15: ffff91dec3027000 # [ 51.795398] FS: 00007f0ecbac1580(0000) GS:ffff91df3ad00000(0000) knlGS:0000000000000000 # [ 51.804480] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 51.810898] CR2: 00007f0ecb8ca000 CR3: 000000010559c002 CR4: 00000000003706e0 # [ 51.818867] Call Trace: # [ 51.821597] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 51.827748] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 # [ 51.834071] direct_entry.cold+0x2c/0x38 # [ 51.838450] full_proxy_write+0x53/0x80 # [ 51.842759] vfs_write+0xe7/0x3a0 # [ 51.846457] ksys_write+0x68/0xf0 # [ 51.850159] do_syscall_64+0x30/0x40 # [ 51.854174] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 51.859815] RIP: 0033:0x7f0ecb9d7833 # [ 51.863805] Code: 8b 15 61 26 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 # [ 51.884787] RSP: 002b:00007ffe6b090718 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 51.893245] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f0ecb9d7833 # [ 51.901219] RDX: 0000000000000020 RSI: 00007f0ecb8ca000 RDI: 0000000000000001 # [ 51.915405] RBP: 00007f0ecb8ca000 R08: 00007f0ecb8c9010 R09: 0000000000000000 # [ 51.923381] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 51.937564] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 51.945556] irq event stamp: 0 # [ 51.948973] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 51.962182] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 51.971366] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 51.980515] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 51.993722] ---[ end trace 7a8cb61385a8deab ]--- # [ 51.998877] 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 # [ 52.123938] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 52.136727] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 52.144223] ------------[ cut here ]------------ # [ 52.149422] refcount_t: saturated; leaking memory. # [ 52.154799] WARNING: CPU: 2 PID: 2445 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 52.164234] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 52.196862] CPU: 2 PID: 2445 Comm: cat Tainted: G D W 5.10.167-cip25 #1 # [ 52.205517] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 52.218543] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 52.224426] Code: 01 01 e8 5e a4 95 00 0f 0b c3 cc cc cc cc 80 3d 7c ed 93 01 00 75 a8 48 c7 c7 d0 f9 84 bd c6 05 6c ed 93 01 01 e8 3b a4 95 00 <0f> 0b c3 cc cc cc cc 80 3d 56 ed 93 01 00 75 85 48 c7 c7 28 fa 84 # [ 52.245427] RSP: 0018:ffffb05a83057e38 EFLAGS: 00010282 # [ 52.251294] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 52.259290] RDX: ffff91df3ad2c660 RSI: ffff91df3ad1bf70 RDI: ffff91df3ad1bf70 # [ 52.267277] RBP: ffffffffbd8b4038 R08: 0000000000000000 R09: 0000000000000000 # [ 52.281451] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 52.289422] R13: ffffb05a83057f10 R14: ffffb05a83057f10 R15: ffff91dec324f000 # [ 52.297395] FS: 00007f3ed78cb580(0000) GS:ffff91df3ad00000(0000) knlGS:0000000000000000 # [ 52.306479] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 52.312897] CR2: 00007f3ed76d4000 CR3: 0000000103278005 CR4: 00000000003706e0 # [ 52.320868] Call Trace: # [ 52.323598] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 52.329748] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 # [ 52.336096] direct_entry.cold+0x2c/0x38 # [ 52.340508] full_proxy_write+0x53/0x80 # [ 52.344814] vfs_write+0xe7/0x3a0 # [ 52.348544] ksys_write+0x68/0xf0 # [ 52.352272] do_syscall_64+0x30/0x40 # [ 52.356294] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 52.361938] RIP: 0033:0x7f3ed77e1833 # [ 52.365928] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 52.386912] RSP: 002b:00007ffe0b370e98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 52.395375] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f3ed77e1833 # [ 52.409562] RDX: 0000000000000020 RSI: 00007f3ed76d4000 RDI: 0000000000000001 # [ 52.417534] RBP: 00007f3ed76d4000 R08: 00007f3ed76d3010 R09: 0000000000000000 # [ 52.425505] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 52.433476] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 52.441471] irq event stamp: 0 # [ 52.444887] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 52.458098] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 52.467260] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 52.476400] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 52.483400] ---[ end trace 7a8cb61385a8deac ]--- # [ 52.494772] 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 # [ 52.624042] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 52.632857] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 52.640351] ------------[ cut here ]------------ # [ 52.645509] refcount_t: underflow; use-after-free. # [ 52.650870] WARNING: CPU: 2 PID: 2480 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 52.660303] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 52.686765] CPU: 2 PID: 2480 Comm: cat Tainted: G D W 5.10.167-cip25 #1 # [ 52.701623] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 52.708446] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 52.714282] Code: 01 01 e8 3b a4 95 00 0f 0b c3 cc cc cc cc 80 3d 56 ed 93 01 00 75 85 48 c7 c7 28 fa 84 bd c6 05 46 ed 93 01 01 e8 18 a4 95 00 <0f> 0b c3 cc cc cc cc 80 3d 31 ed 93 01 00 0f 85 5e ff ff ff 48 c7 # [ 52.735265] RSP: 0018:ffffb05a830f7e40 EFLAGS: 00010286 # [ 52.741100] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 # [ 52.749073] RDX: ffff91df3ad2c660 RSI: ffff91df3ad1bf70 RDI: ffff91df3ad1bf70 # [ 52.763252] RBP: ffffffffbd8b4058 R08: 0000000000000000 R09: 0000000000000000 # [ 52.771229] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 52.785426] R13: ffffb05a830f7f10 R14: ffffb05a830f7f10 R15: ffff91dec277c000 # [ 52.793405] FS: 00007faa0ca38580(0000) GS:ffff91df3ad00000(0000) knlGS:0000000000000000 # [ 52.802465] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 52.808881] CR2: 00007faa0c841000 CR3: 0000000105672003 CR4: 00000000003706e0 # [ 52.816852] Call Trace: # [ 52.819584] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 52.825738] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 # [ 52.838294] direct_entry.cold+0x2c/0x38 # [ 52.842683] full_proxy_write+0x53/0x80 # [ 52.853171] vfs_write+0xe7/0x3a0 # [ 52.856892] ksys_write+0x68/0xf0 # [ 52.860618] do_syscall_64+0x30/0x40 # [ 52.864640] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 52.870283] RIP: 0033:0x7faa0c94e833 # [ 52.874273] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 52.895255] RSP: 002b:00007ffe565f5118 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 52.903714] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007faa0c94e833 # [ 52.911685] RDX: 0000000000000020 RSI: 00007faa0c841000 RDI: 0000000000000001 # [ 52.919656] RBP: 00007faa0c841000 R08: 00007faa0c840010 R09: 0000000000000000 # [ 52.927626] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 52.935597] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 52.943589] irq event stamp: 0 # [ 52.947005] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 52.960215] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 52.969376] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 52.978515] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 52.985516] ---[ end trace 7a8cb61385a8dead ]--- # [ 52.990670] 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 # [ 53.149544] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 53.159637] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 53.173346] ------------[ cut here ]------------ # [ 53.184708] refcount_t: underflow; use-after-free. # [ 53.190089] WARNING: CPU: 1 PID: 2515 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 53.205698] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_sysfs cros_ec_debugfs cros_ec_lightbar cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 53.238339] CPU: 1 PID: 2515 Comm: cat Tainted: G D W 5.10.167-cip25 #1 # [ 53.253202] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 53.260012] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 53.272056] Code: 01 01 e8 3b a4 95 00 0f 0b c3 cc cc cc cc 80 3d 56 ed 93 01 00 75 85 48 c7 c7 28 fa 84 bd c6 05 46 ed 93 01 01 e8 18 a4 95 00 <0f> 0b c3 cc cc cc cc 80 3d 31 ed 93 01 00 0f 85 5e ff ff ff 48 c7 # [ 53.299254] RSP: 0018:ffffb05a8318fe40 EFLAGS: 00010286 # [ 53.311305] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 # [ 53.319278] RDX: ffff91df3acac660 RSI: ffff91df3ac9bf70 RDI: ffff91df3ac9bf70 # [ 53.333458] RBP: ffffffffbd8b4078 R08: 0000000000000000 R09: 0000000000000000 # [ 53.341435] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 53.355613] R13: ffffb05a8318ff10 R14: ffffb05a8318ff10 R15: ffff91dec3d2d000 # [ 53.363588] FS: 00007f5b87cd5580(0000) GS:ffff91df3ac80000(0000) knlGS:0000000000000000 # [ 53.378837] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 53.385255] CR2: 00007f5b87ade000 CR3: 0000000105ca6003 CR4: 00000000003706e0 # [ 53.399435] Call Trace: # [ 53.402170] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 53.414503] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 # [ 53.427039] direct_entry.cold+0x2c/0x38 # [ 53.437642] full_proxy_write+0x53/0x80 # [ 53.448136] vfs_write+0xe7/0x3a0 # [ 53.458051] ksys_write+0x68/0xf0 # [ 53.467965] do_syscall_64+0x30/0x40 # [ 53.478171] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 53.490027] RIP: 0033:0x7f5b87beb833 # [ 53.500255] Code: 8b 15 61 26 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 # [ 53.527434] RSP: 002b:00007fff769cf7a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 53.542101] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f5b87beb833 # [ 53.556288] RDX: 0000000000000020 RSI: 00007f5b87ade000 RDI: 0000000000000001 # [ 53.570475] RBP: 00007f5b87ade000 R08: 00007f5b87add010 R09: 0000000000000000 # [ 53.584663] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 53.598849] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 53.613059] irq event stamp: 0 # [ 53.622661] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 53.635879] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 53.651230] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 53.666584] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 53.679799] ---[ end trace 7a8cb61385a8deae ]--- # [ 53.691172] 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 # [ 53.904324] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 53.915055] lkdtm: attempting good copy_to_user of correct size # [ 53.927931] 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 # [ 54.055691] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 54.065803] lkdtm: attempting good copy_from_user of correct size # [ 54.078833] 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 # [ 54.213763] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 54.223498] lkdtm: attempting good copy_to_user inside whitelist # [ 54.230230] 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 # [ 54.366308] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 54.374842] lkdtm: attempting good copy_from_user inside whitelist # [ 54.381758] 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 # [ 54.509509] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 54.519984] lkdtm: good_stack: ffffb05a8352fe20-ffffb05a8352fe40 # [ 54.526701] lkdtm: bad_stack : ffffb05a8352fda8-ffffb05a8352fdc8 # [ 54.533424] lkdtm: attempting good copy_to_user of local stack # [ 54.539948] 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 # [ 54.672163] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 54.684338] lkdtm: good_stack: ffffb05a835c7e20-ffffb05a835c7e40 # [ 54.697257] lkdtm: bad_stack : ffffb05a835c7da8-ffffb05a835c7dc8 # [ 54.710196] lkdtm: attempting good copy_from_user of local stack # [ 54.723165] 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 # [ 54.855794] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 54.867147] lkdtm: good_stack: ffffb05a83637e20-ffffb05a83637e40 # [ 54.873888] lkdtm: bad_stack : ffffb05a83637ff8-ffffb05a83638018 # [ 54.880622] lkdtm: attempting good copy_to_user of local stack # [ 54.887152] lkdtm: attempting bad copy_to_user of distant stack # [ 54.899991] 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 # [ 55.026918] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 55.036446] lkdtm: attempting good copy_to_user from kernel rodata: ffffffffbd4d15b0 # [ 55.051358] lkdtm: attempting bad copy_to_user from kernel text: ffffffffbc0e3b20 # [ 55.065995] 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 # [ 55.203715] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 55.214523] lkdtm: checking unused part of the thread stack (15928 bytes)... # [ 55.228611] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) # [ 55.242624] lkdtm: FAIL: the thread stack is NOT properly erased # [ 55.255570] CPU: 0 PID: 2880 Comm: cat Tainted: G D W 5.10.167-cip25 #1 # [ 55.270399] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 55.277194] Call Trace: # [ 55.279924] dump_stack+0x77/0x9b # [ 55.283628] lkdtm_STACKLEAK_ERASING+0x116/0x144 # [ 55.288783] direct_entry.cold+0x2c/0x38 # [ 55.293160] full_proxy_write+0x53/0x80 # [ 55.297445] vfs_write+0xe7/0x3a0 # [ 55.301147] ksys_write+0x68/0xf0 # [ 55.304845] do_syscall_64+0x30/0x40 # [ 55.308832] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 55.314471] RIP: 0033:0x7f6104f5d833 # [ 55.318450] Code: 8b 15 61 26 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 # [ 55.339429] RSP: 002b:00007ffd351a5a58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 55.347876] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f6104f5d833 # [ 55.355843] RDX: 0000000000000012 RSI: 00007f6104e50000 RDI: 0000000000000001 # [ 55.363812] RBP: 00007f6104e50000 R08: 00007f6104e4f010 R09: 0000000000000000 # [ 55.371780] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 55.379748] 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 # [ 55.533515] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 55.543243] lkdtm: Calling matched prototype ... # [ 55.554617] lkdtm: Calling mismatched prototype ... # [ 55.566274] 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 lkdtm_PANIC_sh skip lkdtm_BUG_sh pass lkdtm_WARNING_sh pass lkdtm_WARNING_MESSAGE_sh pass lkdtm_EXCEPTION_sh pass lkdtm_LOOP_sh skip lkdtm_EXHAUST_STACK_sh skip lkdtm_CORRUPT_STACK_sh skip lkdtm_CORRUPT_STACK_STRONG_sh skip lkdtm_CORRUPT_LIST_ADD_sh fail lkdtm_CORRUPT_LIST_DEL_sh fail lkdtm_STACK_GUARD_PAGE_LEADING_sh pass lkdtm_STACK_GUARD_PAGE_TRAILING_sh pass lkdtm_UNSET_SMEP_sh pass lkdtm_DOUBLE_FAULT_sh skip lkdtm_CORRUPT_PAC_sh skip lkdtm_UNALIGNED_LOAD_STORE_WRITE_sh skip lkdtm_OVERWRITE_ALLOCATION_sh skip lkdtm_WRITE_AFTER_FREE_sh skip lkdtm_READ_AFTER_FREE_sh fail lkdtm_WRITE_BUDDY_AFTER_FREE_sh skip lkdtm_READ_BUDDY_AFTER_FREE_sh fail lkdtm_SLAB_FREE_DOUBLE_sh fail lkdtm_SLAB_FREE_CROSS_sh fail lkdtm_SLAB_FREE_PAGE_sh fail lkdtm_SOFTLOCKUP_sh skip lkdtm_HARDLOCKUP_sh skip lkdtm_SPINLOCKUP_sh skip lkdtm_HUNG_TASK_sh skip lkdtm_EXEC_DATA_sh pass lkdtm_EXEC_STACK_sh pass lkdtm_EXEC_KMALLOC_sh pass lkdtm_EXEC_VMALLOC_sh pass lkdtm_EXEC_RODATA_sh pass lkdtm_EXEC_USERSPACE_sh pass lkdtm_EXEC_NULL_sh pass lkdtm_ACCESS_USERSPACE_sh pass lkdtm_ACCESS_NULL_sh pass lkdtm_WRITE_RO_sh pass lkdtm_WRITE_RO_AFTER_INIT_sh pass lkdtm_WRITE_KERN_sh pass lkdtm_REFCOUNT_INC_OVERFLOW_sh pass lkdtm_REFCOUNT_ADD_OVERFLOW_sh pass lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW_sh pass lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW_sh pass lkdtm_REFCOUNT_DEC_ZERO_sh pass lkdtm_REFCOUNT_DEC_NEGATIVE_sh pass lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE_sh pass lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE_sh pass lkdtm_REFCOUNT_INC_ZERO_sh pass lkdtm_REFCOUNT_ADD_ZERO_sh pass lkdtm_REFCOUNT_INC_SATURATED_sh pass lkdtm_REFCOUNT_DEC_SATURATED_sh pass lkdtm_REFCOUNT_ADD_SATURATED_sh pass lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED_sh pass lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED_sh pass lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED_sh pass lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED_sh pass lkdtm_REFCOUNT_TIMING_sh skip lkdtm_ATOMIC_TIMING_sh skip lkdtm_USERCOPY_HEAP_SIZE_TO_sh fail lkdtm_USERCOPY_HEAP_SIZE_FROM_sh fail lkdtm_USERCOPY_HEAP_WHITELIST_TO_sh fail lkdtm_USERCOPY_HEAP_WHITELIST_FROM_sh fail lkdtm_USERCOPY_STACK_FRAME_TO_sh fail lkdtm_USERCOPY_STACK_FRAME_FROM_sh fail lkdtm_USERCOPY_STACK_BEYOND_sh fail lkdtm_USERCOPY_KERNEL_sh fail lkdtm_STACKLEAK_ERASING_sh fail lkdtm_CFI_FORWARD_PROTO_sh fail + ../../utils/send-to-lava.sh ./output/result.txt + set +x / #