[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 39211 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 1 apic_id 3. AP: slot 3 apic_id 2. AP: slot 2 apic_id 1. Waiting for 2nd SIPI to complete...done. Loading module at 00038000 with entry 00038000. filesize: 0x1a8 memsize: 0x1a8 Processing 13 relocs. Offset value of 0x00038000 SMM Module: stub loaded at 00038000. Will call 7ab21603(00000000) Installing SMM handler to 0x7b000000 Loading module at 7b010000 with entry 7b010a19. filesize: 0x3b08 memsize: 0x8bc0 Processing 243 relocs. Offset value of 0x7b010000 Loading module at 7b008000 with entry 7b008000. filesize: 0x1a8 memsize: 0x1a8 Processing 13 relocs. Offset value of 0x7b008000 SMM Module: placing jmp sequence at 7b007c00 rel16 0x03fd SMM Module: placing jmp sequence at 7b007800 rel16 0x07fd SMM Module: placing jmp sequence at 7b007400 rel16 0x0bfd SMM Module: stub loaded at 7b008000. Will call 7b010a19(00000000) Clearing SMI status registers SMI_STS: PM1 PM1_STS: PWRBTN TCO_STS: BOOT SECOND_TO New SMBASE 0x7b000000 In relocation handler: CPU 0 New SMBASE=0x7b000000 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afff800 In relocation handler: CPU 2 New SMBASE=0x7afff800 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afffc00 In relocation handler: CPU 1 New SMBASE=0x7afffc00 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afff400 In relocation handler: CPU 3 New SMBASE=0x7afff400 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. Initializing CPU #0 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC... apic_id: 0x00 done. Turbo is available but hidden Turbo has been enabled SGX : param.enable = 0 Skip microcode update CPU #0 initialized Initializing CPU #2 Initializing CPU #1 Initializing CPU #3 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC...CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC...Setting up local APIC... apic_id: 0x02 done. apic_id: 0x03 done. Skip microcode update Skip microcode update CPU #3 initialized CPU #1 initialized apic_id: 0x01 done. Skip microcode update CPU #2 initialized bsp_do_flight_plan done after 226 msecs. CPU: frequency set to 3400 MHz Enabling SMIs. Locking SMM. VMX : param.enable = 1 VMX status: enabled, unlocked SGX: pre-conditions not met VMX status: enabled, unlocked 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 376178 run 170342 exit 0 Enumerating buses... Show all devs... Before device enumeration. Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 DOMAIN: 0000: enabled 1 APIC: 00: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 PCI: 00:15.1: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PCI: 00:1f.1: enabled 1 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 USB0 port 0: enabled 1 I2C: 00:5c: enabled 1 I2C: 00:15: enabled 1 I2C: 00:39: enabled 1 I2C: 00:3a: enabled 1 I2C: 00:1a: enabled 1 PCI: 00:00.0: enabled 1 SPI: 00: enabled 1 PNP: 0c09.0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 APIC: 03: enabled 1 APIC: 01: enabled 1 APIC: 02: enabled 1 Compare with tree... Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 APIC: 00: enabled 1 APIC: 03: enabled 1 APIC: 01: enabled 1 APIC: 02: enabled 1 DOMAIN: 0000: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 USB0 port 0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 I2C: 00:5c: enabled 1 PCI: 00:15.1: enabled 1 I2C: 00:15: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 I2C: 00:39: enabled 1 I2C: 00:3a: enabled 1 I2C: 00:1a: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 SPI: 00: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PNP: 0c09.0: enabled 1 PCI: 00:1f.1: enabled 1 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 Root Device scanning... root_dev_scan_bus for Root Device CPU_CLUSTER: 0 enabled DOMAIN: 0000 enabled DOMAIN: 0000 scanning... PCI: pci_scan_bus for bus 00 PCI: 00:00.0 [8086/0000] ops PCI: 00:00.0 [8086/590c] enabled PCI: 00:02.0 [8086/0000] ops PCI: 00:02.0 [8086/591c] enabled PCI: 00:04.0 [8086/1903] enabled PCI: 00:08.0 [8086/1911] enabled PCI: 00:14.0 [8086/0000] bus ops PCI: 00:14.0 [8086/9d2f] enabled PCI: 00:14.2 [8086/9d31] enabled PCI: 00:15.0 [8086/0000] bus ops PCI: 00:15.0 [8086/9d60] enabled PCI: 00:15.1 [8086/0000] bus ops PCI: 00:15.1 [8086/9d61] enabled PCI: 00:16.0 [8086/0000] ops PCI: 00:16.0 [8086/9d3a] enabled PCI: 00:19.0 [8086/0000] ops PCI: 00:19.0 [8086/9d66] enabled PCI: 00:19.1 [8086/0000] bus ops PCI: 00:19.1 [8086/9d65] enabled PCI: 00:1c.0 [8086/0000] bus ops PCI: 00:1c.0 [8086/9d10] enabled PCI: 00:1e.0 [8086/0000] ops PCI: 00:1e.0 [8086/9d27] enabled PCI: 00:1e.2 [8086/0000] bus ops PCI: 00:1e.2 [8086/9d29] enabled PCI: 00:1e.4 [8086/9d2b] enabled PCI: 00:1e.6 [8086/0000] ops PCI: 00:1e.6 [8086/9d2d] enabled PCI: 00:1f.0 [8086/0000] bus ops PCI: 00:1f.0 [8086/9d4b] enabled PCI: Static device PCI: 00:1f.1 not found, disabling it. PCI: 00:1f.2 [8086/0000] bus ops PCI: 00:1f.2 [8086/9d21] enabled PCI: 00:1f.3 [8086/0000] bus ops PCI: 00:1f.3 [8086/9d71] enabled PCI: 00:1f.4 [8086/0000] bus ops PCI: 00:1f.4 [8086/9d23] enabled PCI: 00:1f.5 [8086/0000] bus ops PCI: 00:1f.5 [8086/9d24] enabled PCI: 00:14.0 scanning... scan_usb_bus for PCI: 00:14.0 USB0 port 0 enabled USB0 port 0 scanning... scan_usb_bus for USB0 port 0 USB2 port 0 enabled USB2 port 1 enabled USB2 port 2 enabled USB2 port 4 enabled USB2 port 8 enabled USB2 port 0 scanning... scan_usb_bus for USB2 port 0 scan_usb_bus for USB2 port 0 done scan_bus: scanning of bus USB2 port 0 took 8972 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 8976 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 8970 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 8972 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 8972 usecs scan_usb_bus for USB0 port 0 done scan_bus: scanning of bus USB0 port 0 took 90965 usecs scan_usb_bus for PCI: 00:14.0 done scan_bus: scanning of bus PCI: 00:14.0 took 107759 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 14158 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 14148 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 22377 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 53516 usecs PCI: 00:1e.2 scanning... scan_generic_bus for PCI: 00:1e.2 bus: PCI: 00:1e.2[0]->SPI: 00 enabled scan_generic_bus for PCI: 00:1e.2 done scan_bus: scanning of bus PCI: 00:1e.2 took 13862 usecs PCI: 00:1f.0 scanning... scan_lpc_bus for PCI: 00:1f.0 PNP: 0c09.0 enabled scan_lpc_bus for PCI: 00:1f.0 done scan_bus: scanning of bus PCI: 00:1f.0 took 11320 usecs PCI: 00:1f.2 scanning... scan_lpc_bus for PCI: 00:1f.2 scan_lpc_bus for PCI: 00:1f.2 done scan_bus: scanning of bus PCI: 00:1f.2 took 9319 usecs PCI: 00:1f.3 scanning... scan_bus: scanning of bus PCI: 00:1f.3 took 2717 usecs PCI: 00:1f.4 scanning... scan_generic_bus for PCI: 00:1f.4 scan_generic_bus for PCI: 00:1f.4 done scan_bus: scanning of bus PCI: 00:1f.4 took 10044 usecs PCI: 00:1f.5 scanning... scan_generic_bus for PCI: 00:1f.5 scan_generic_bus for PCI: 00:1f.5 done scan_bus: scanning of bus PCI: 00:1f.5 took 10047 usecs scan_bus: scanning of bus DOMAIN: 0000 took 466130 usecs root_dev_scan_bus for Root Device done scan_bus: scanning of bus Root Device took 486243 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 826015 exit 39248 found VGA at PCI: 00:02.0 Setting up VGA for PCI: 00:02.0 Setting PCI_BRIDGE_CTL_VGA for bridge DOMAIN: 0000 Setting PCI_BRIDGE_CTL_VGA for bridge Root Device Allocating resources... Reading resources... Root Device read_resources bus 0 link: 0 CPU_CLUSTER: 0 read_resources bus 0 link: 0 CPU_CLUSTER: 0 read_resources bus 0 link: 0 done DOMAIN: 0000 read_resources bus 0 link: 0 PCI: 00:14.0 read_resources bus 0 link: 0 USB0 port 0 read_resources bus 0 link: 0 USB0 port 0 read_resources bus 0 link: 0 done PCI: 00:14.0 read_resources bus 0 link: 0 done PCI: 00:15.0 read_resources bus 1 link: 0 PCI: 00:15.0 read_resources bus 1 link: 0 done PCI: 00:15.1 read_resources bus 2 link: 0 PCI: 00:15.1 read_resources bus 2 link: 0 done PCI: 00:19.1 read_resources bus 3 link: 0 PCI: 00:19.1 read_resources bus 3 link: 0 done PCI: 00:1c.0 read_resources bus 1 link: 0 PCI: 00:1c.0 read_resources bus 1 link: 0 done PCI: 00:1e.2 read_resources bus 4 link: 0 PCI: 00:1e.2 read_resources bus 4 link: 0 done PCI: 00:1f.0 read_resources bus 0 link: 0 PCI: 00:1f.0 read_resources bus 0 link: 0 done DOMAIN: 0000 read_resources bus 0 link: 0 done Root Device read_resources bus 0 link: 0 done Done reading resources. Show resources in subtree (Root Device)...After reading. Root Device child on link 0 CPU_CLUSTER: 0 CPU_CLUSTER: 0 child on link 0 APIC: 00 APIC: 00 APIC: 03 APIC: 01 APIC: 02 DOMAIN: 0000 child on link 0 PCI: 00:00.0 DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffff flags 40040100 index 10000000 DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffffffff flags 40040200 index 10000100 PCI: 00:00.0 PCI: 00:00.0 resource base e0000000 size 4000000 align 0 gran 0 limit 0 flags f0000200 index 0 PCI: 00:00.0 resource base fed10000 size 8000 align 0 gran 0 limit 0 flags f0000200 index 1 PCI: 00:00.0 resource base fed18000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 2 PCI: 00:00.0 resource base fed19000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 3 PCI: 00:00.0 resource base fed84000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 4 PCI: 00:00.0 resource base fed80000 size 4000 align 0 gran 0 limit 0 flags f0000200 index 5 PCI: 00:00.0 resource base fed90000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 6 PCI: 00:00.0 resource base fed91000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 7 PCI: 00:00.0 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 8 PCI: 00:00.0 resource base c0000 size 7af40000 align 0 gran 0 limit 0 flags e0004200 index 9 PCI: 00:00.0 resource base 7b000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index b PCI: 00:00.0 resource base 7b800000 size 4800000 align 0 gran 0 limit 0 flags f0000200 index c PCI: 00:00.0 resource base 100000000 size 7f000000 align 0 gran 0 limit 0 flags e0004200 index d PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index e PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index f PCI: 00:02.0 PCI: 00:02.0 resource base 0 size 1000000 align 24 gran 24 limit ffffffffffffffff flags 201 index 10 PCI: 00:02.0 resource base 0 size 10000000 align 28 gran 28 limit ffffffffffffffff flags 1201 index 18 PCI: 00:02.0 resource base 0 size 40 align 6 gran 6 limit ffff flags 100 index 20 PCI: 00:04.0 PCI: 00:04.0 resource base 0 size 8000 align 15 gran 15 limit ffffffffffffffff flags 201 index 10 PCI: 00:08.0 PCI: 00:08.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:14.0 child on link 0 USB0 port 0 PCI: 00:14.0 resource base 0 size 10000 align 16 gran 16 limit ffffffffffffffff flags 201 index 10 USB0 port 0 child on link 0 USB2 port 0 USB2 port 0 USB2 port 1 USB2 port 2 USB2 port 4 USB2 port 8 PCI: 00:14.1 PCI: 00:14.2 PCI: 00:14.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:15.0 child on link 0 I2C: 01:5c PCI: 00:15.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 01:5c PCI: 00:15.1 child on link 0 I2C: 02:15 PCI: 00:15.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 02:15 PCI: 00:15.2 PCI: 00:15.3 PCI: 00:16.0 PCI: 00:16.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:16.1 PCI: 00:16.2 PCI: 00:16.3 PCI: 00:16.4 PCI: 00:17.0 PCI: 00:19.0 PCI: 00:19.0 resource base fe034000 size 1000 align 12 gran 12 limit ffffffffffffffff flags c0000200 index 10 PCI: 00:19.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 PCI: 00:19.1 child on link 0 I2C: 03:39 PCI: 00:19.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 03:39 I2C: 03:3a I2C: 03:1a PCI: 00:19.2 PCI: 00:1c.0 child on link 0 PCI: 01:00.0 PCI: 00:1c.0 resource base 0 size 0 align 12 gran 12 limit ffff flags 80102 index 1c PCI: 00:1c.0 resource base 0 size 0 align 20 gran 20 limit ffffffffffffffff flags 81202 index 24 PCI: 00:1c.0 resource base 0 size 0 align 20 gran 20 limit ffffffff flags 80202 index 20 PCI: 01:00.0 PCI: 01:00.0 resource base 0 size 2000 align 13 gran 13 limit ffffffffffffffff flags 201 index 10 PCI: 00:1c.1 PCI: 00:1c.2 PCI: 00:1c.3 PCI: 00:1c.4 PCI: 00:1c.5 PCI: 00:1c.6 PCI: 00:1c.7 PCI: 00:1d.0 PCI: 00:1d.1 PCI: 00:1d.2 PCI: 00:1d.3 PCI: 00:1e.0 PCI: 00:1e.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1e.1 PCI: 00:1e.2 child on link 0 SPI: 00 PCI: 00:1e.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 SPI: 00 PCI: 00:1e.3 PCI: 00:1e.4 PCI: 00:1e.4 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1e.5 PCI: 00:1e.6 PCI: 00:1e.6 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.0 child on link 0 PNP: 0c09.0 PCI: 00:1f.0 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0000100 index 0 PNP: 0c09.0 PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0 PCI: 00:1f.1 PCI: 00:1f.2 PCI: 00:1f.2 resource base 0 size 4000 align 14 gran 14 limit ffffffff flags 200 index 10 PCI: 00:1f.2 resource base fe000000 size 10000 align 0 gran 0 limit 0 flags d0000200 index 48 PCI: 00:1f.2 resource base 1800 size 100 align 0 gran 0 limit 0 flags c0000100 index 40 PCI: 00:1f.3 PCI: 00:1f.3 resource base 0 size 4000 align 14 gran 14 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.3 resource base 0 size 10000 align 16 gran 16 limit ffffffffffffffff flags 201 index 20 PCI: 00:1f.4 PCI: 00:1f.4 resource base efa0 size 20 align 0 gran 0 limit efbf flags f0000100 index 20 PCI: 00:1f.4 resource base 0 size 100 align 12 gran 8 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.5 PCI: 00:1f.5 resource base 0 size 1000 align 12 gran 12 limit ffffffff flags 200 index 10 PCI: 00:1f.6 DOMAIN: 0000 io: base: 0 size: 0 align: 0 gran: 0 limit: ffff PCI: 00:1c.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff PCI: 00:1c.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff done PCI: 00:02.0 20 * [0x0 - 0x3f] io DOMAIN: 0000 io: base: 40 size: 40 align: 6 gran: 0 limit: ffff done DOMAIN: 0000 mem: base: 0 size: 0 align: 0 gran: 0 limit: ffffffff PCI: 00:1c.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff PCI: 00:1c.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff done PCI: 00:1c.0 mem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffff PCI: 01:00.0 10 * [0x0 - 0x1fff] mem PCI: 00:1c.0 mem: base: 2000 size: 100000 align: 20 gran: 20 limit: ffffffff done PCI: 00:02.0 18 * [0x0 - 0xfffffff] prefmem PCI: 00:02.0 10 * [0x10000000 - 0x10ffffff] mem PCI: 00:1c.0 20 * [0x11000000 - 0x110fffff] mem PCI: 00:14.0 10 * [0x11100000 - 0x1110ffff] mem PCI: 00:1f.3 20 * [0x11110000 - 0x1111ffff] mem PCI: 00:04.0 10 * [0x11120000 - 0x11127fff] mem PCI: 00:1f.2 10 * [0x11128000 - 0x1112bfff] mem PCI: 00:1f.3 10 * [0x1112c000 - 0x1112ffff] mem PCI: 00:08.0 10 * [0x11130000 - 0x11130fff] mem PCI: 00:14.2 10 * [0x11131000 - 0x11131fff] mem PCI: 00:15.0 10 * [0x11132000 - 0x11132fff] mem PCI: 00:15.1 10 * [0x11133000 - 0x11133fff] mem PCI: 00:16.0 10 * [0x11134000 - 0x11134fff] mem PCI: 00:19.0 18 * [0x11135000 - 0x11135fff] mem PCI: 00:19.1 10 * [0x11136000 - 0x11136fff] mem PCI: 00:1e.0 10 * [0x11137000 - 0x11137fff] mem PCI: 00:1e.2 10 * [0x11138000 - 0x11138fff] mem PCI: 00:1e.4 10 * [0x11139000 - 0x11139fff] mem PCI: 00:1e.6 10 * [0x1113a000 - 0x1113afff] mem PCI: 00:1f.5 10 * [0x1113b000 - 0x1113bfff] mem PCI: 00:1f.4 10 * [0x1113c000 - 0x1113c0ff] mem DOMAIN: 0000 mem: base: 1113c100 size: 1113c100 align: 28 gran: 0 limit: ffffffff done avoid_fixed_resources: DOMAIN: 0000 avoid_fixed_resources:@DOMAIN: 0000 10000000 limit 0000ffff avoid_fixed_resources:@DOMAIN: 0000 10000100 limit ffffffff constrain_resources: PCI: 00:00.0 00 base e0000000 limit e3ffffff mem (fixed) constrain_resources: PCI: 00:00.0 08 base 00000000 limit 0009ffff mem (fixed) constrain_resources: PCI: 00:00.0 09 base 000c0000 limit 7affffff mem (fixed) constrain_resources: PCI: 00:00.0 0b base 7b000000 limit 7b7fffff mem (fixed) constrain_resources: PCI: 00:00.0 0c base 7b800000 limit 7fffffff mem (fixed) constrain_resources: PCI: 00:1f.0 00 base 00000000 limit 00000fff io (fixed) constrain_resources: PCI: 00:1f.2 40 base 00001800 limit 000018ff io (fixed) constrain_resources: PCI: 00:1f.4 20 base 0000efa0 limit 0000efbf io (fixed) avoid_fixed_resources:@DOMAIN: 0000 10000000 base 00001900 limit 0000ef9f avoid_fixed_resources:@DOMAIN: 0000 10000100 base c0000000 limit dfffffff Setting resources... DOMAIN: 0000 io: base:1900 size:40 align:6 gran:0 limit:ef9f PCI: 00:02.0 20 * [0x1c00 - 0x1c3f] io DOMAIN: 0000 io: next_base: 1c40 size: 40 align: 6 gran: 0 done PCI: 00:1c.0 io: base:ef9f size:0 align:12 gran:12 limit:ef9f PCI: 00:1c.0 io: next_base: ef9f size: 0 align: 12 gran: 12 done DOMAIN: 0000 mem: base:c0000000 size:1113c100 align:28 gran:0 limit:dfffffff PCI: 00:02.0 18 * [0xc0000000 - 0xcfffffff] prefmem PCI: 00:02.0 10 * [0xd0000000 - 0xd0ffffff] mem PCI: 00:1c.0 20 * [0xd1000000 - 0xd10fffff] mem PCI: 00:14.0 10 * [0xd1100000 - 0xd110ffff] mem PCI: 00:1f.3 20 * [0xd1110000 - 0xd111ffff] mem PCI: 00:04.0 10 * [0xd1120000 - 0xd1127fff] mem PCI: 00:1f.2 10 * [0xd1128000 - 0xd112bfff] mem PCI: 00:1f.3 10 * [0xd112c000 - 0xd112ffff] mem PCI: 00:08.0 10 * [0xd1130000 - 0xd1130fff] mem PCI: 00:14.2 10 * [0xd1131000 - 0xd1131fff] mem PCI: 00:15.0 10 * [0xd1132000 - 0xd1132fff] mem PCI: 00:15.1 10 * [0xd1133000 - 0xd1133fff] mem PCI: 00:16.0 10 * [0xd1134000 - 0xd1134fff] mem PCI: 00:19.0 18 * [0xd1135000 - 0xd1135fff] mem PCI: 00:19.1 10 * [0xd1136000 - 0xd1136fff] mem PCI: 00:1e.0 10 * [0xd1137000 - 0xd1137fff] mem PCI: 00:1e.2 10 * [0xd1138000 - 0xd1138fff] mem PCI: 00:1e.4 10 * [0xd1139000 - 0xd1139fff] mem PCI: 00:1e.6 10 * [0xd113a000 - 0xd113afff] mem PCI: 00:1f.5 10 * [0xd113b000 - 0xd113bfff] mem PCI: 00:1f.4 10 * [0xd113c000 - 0xd113c0ff] mem DOMAIN: 0000 mem: next_base: d113c100 size: 1113c100 align: 28 gran: 0 done PCI: 00:1c.0 prefmem: base:dfffffff size:0 align:20 gran:20 limit:dfffffff PCI: 00:1c.0 prefmem: next_base: dfffffff size: 0 align: 20 gran: 20 done PCI: 00:1c.0 mem: base:d1000000 size:100000 align:20 gran:20 limit:d10fffff PCI: 01:00.0 10 * [0xd1000000 - 0xd1001fff] mem PCI: 00:1c.0 mem: next_base: d1002000 size: 100000 align: 20 gran: 20 done Root Device assign_resources, bus 0 link: 0 DOMAIN: 0000 assign_resources, bus 0 link: 0 PCI: 00:02.0 10 <- [0x00d0000000 - 0x00d0ffffff] size 0x01000000 gran 0x18 mem64 PCI: 00:02.0 18 <- [0x00c0000000 - 0x00cfffffff] size 0x10000000 gran 0x1c prefmem64 PCI: 00:02.0 20 <- [0x0000001c00 - 0x0000001c3f] size 0x00000040 gran 0x06 io PCI: 00:04.0 10 <- [0x00d1120000 - 0x00d1127fff] size 0x00008000 gran 0x0f mem64 PCI: 00:08.0 10 <- [0x00d1130000 - 0x00d1130fff] size 0x00001000 gran 0x0c mem64 PCI: 00:14.0 10 <- [0x00d1100000 - 0x00d110ffff] size 0x00010000 gran 0x10 mem64 PCI: 00:14.0 assign_resources, bus 0 link: 0 PCI: 00:14.0 assign_resources, bus 0 link: 0 PCI: 00:14.2 10 <- [0x00d1131000 - 0x00d1131fff] size 0x00001000 gran 0x0c mem64 PCI: 00:15.0 10 <- [0x00d1132000 - 0x00d1132fff] size 0x00001000 gran 0x0c mem64 PCI: 00:15.0 assign_resources, bus 1 link: 0 PCI: 00:15.0 assign_resources, bus 1 link: 0 PCI: 00:15.1 10 <- [0x00d1133000 - 0x00d1133fff] size 0x00001000 gran 0x0c mem64 PCI: 00:15.1 assign_resources, bus 2 link: 0 PCI: 00:15.1 assign_resources, bus 2 link: 0 PCI: 00:16.0 10 <- [0x00d1134000 - 0x00d1134fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.0 18 <- [0x00d1135000 - 0x00d1135fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.1 10 <- [0x00d1136000 - 0x00d1136fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.1 assign_resources, bus 3 link: 0 PCI: 00:19.1 assign_resources, bus 3 link: 0 PCI: 00:1c.0 1c <- [0x000000ef9f - 0x000000ef9e] size 0x00000000 gran 0x0c bus 01 io PCI: 00:1c.0 24 <- [0x00dfffffff - 0x00dffffffe] size 0x00000000 gran 0x14 bus 01 prefmem PCI: 00:1c.0 20 <- [0x00d1000000 - 0x00d10fffff] size 0x00100000 gran 0x14 bus 01 mem PCI: 00:1c.0 assign_resources, bus 1 link: 0 PCI: 01:00.0 10 <- [0x00d1000000 - 0x00d1001fff] size 0x00002000 gran 0x0d mem64 PCI: 00:1c.0 assign_resources, bus 1 link: 0 PCI: 00:1e.0 10 <- [0x00d1137000 - 0x00d1137fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1e.2 10 <- [0x00d1138000 - 0x00d1138fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1e.2 assign_resources, bus 4 link: 0 PCI: 00:1e.2 assign_resources, bus 4 link: 0 PCI: 00:1e.4 10 <- [0x00d1139000 - 0x00d1139fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1e.6 10 <- [0x00d113a000 - 0x00d113afff] size 0x00001000 gran 0x0c mem64 PCI: 00:1f.0 assign_resources, bus 0 link: 0 PCI: 00:1f.0 assign_resources, bus 0 link: 0 LPC: Trying to open IO window from 800 size 1ff PCI: 00:1f.2 10 <- [0x00d1128000 - 0x00d112bfff] size 0x00004000 gran 0x0e mem PCI: 00:1f.3 10 <- [0x00d112c000 - 0x00d112ffff] size 0x00004000 gran 0x0e mem64 PCI: 00:1f.3 20 <- [0x00d1110000 - 0x00d111ffff] size 0x00010000 gran 0x10 mem64 PCI: 00:1f.4 10 <- [0x00d113c000 - 0x00d113c0ff] size 0x00000100 gran 0x08 mem64 PCI: 00:1f.5 10 <- [0x00d113b000 - 0x00d113bfff] size 0x00001000 gran 0x0c mem DOMAIN: 0000 assign_resources, bus 0 link: 0 Root Device assign_resources, bus 0 link: 0 Done setting resources. Show resources in subtree (Root Device)...After assigning values. Root Device child on link 0 CPU_CLUSTER: 0 CPU_CLUSTER: 0 child on link 0 APIC: 00 APIC: 00 APIC: 03 APIC: 01 APIC: 02 DOMAIN: 0000 child on link 0 PCI: 00:00.0 DOMAIN: 0000 resource base 1900 size 40 align 6 gran 0 limit ef9f flags 40040100 index 10000000 DOMAIN: 0000 resource base c0000000 size 1113c100 align 28 gran 0 limit dfffffff flags 40040200 index 10000100 PCI: 00:00.0 PCI: 00:00.0 resource base e0000000 size 4000000 align 0 gran 0 limit 0 flags f0000200 index 0 PCI: 00:00.0 resource base fed10000 size 8000 align 0 gran 0 limit 0 flags f0000200 index 1 PCI: 00:00.0 resource base fed18000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 2 PCI: 00:00.0 resource base fed19000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 3 PCI: 00:00.0 resource base fed84000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 4 PCI: 00:00.0 resource base fed80000 size 4000 align 0 gran 0 limit 0 flags f0000200 index 5 PCI: 00:00.0 resource base fed90000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 6 PCI: 00:00.0 resource base fed91000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 7 PCI: 00:00.0 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 8 PCI: 00:00.0 resource base c0000 size 7af40000 align 0 gran 0 limit 0 flags e0004200 index 9 PCI: 00:00.0 resource base 7b000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index b PCI: 00:00.0 resource base 7b800000 size 4800000 align 0 gran 0 limit 0 flags f0000200 index c PCI: 00:00.0 resource base 100000000 size 7f000000 align 0 gran 0 limit 0 flags e0004200 index d PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index e PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index f PCI: 00:02.0 PCI: 00:02.0 resource base d0000000 size 1000000 align 24 gran 24 limit d0ffffff flags 60000201 index 10 PCI: 00:02.0 resource base c0000000 size 10000000 align 28 gran 28 limit cfffffff flags 60001201 index 18 PCI: 00:02.0 resource base 1c00 size 40 align 6 gran 6 limit 1c3f flags 60000100 index 20 PCI: 00:04.0 PCI: 00:04.0 resource base d1120000 size 8000 align 15 gran 15 limit d1127fff flags 60000201 index 10 PCI: 00:08.0 PCI: 00:08.0 resource base d1130000 size 1000 align 12 gran 12 limit d1130fff flags 60000201 index 10 PCI: 00:14.0 child on link 0 USB0 port 0 PCI: 00:14.0 resource base d1100000 size 10000 align 16 gran 16 limit d110ffff flags 60000201 index 10 USB0 port 0 child on link 0 USB2 port 0 USB2 port 0 USB2 port 1 USB2 port 2 USB2 port 4 USB2 port 8 PCI: 00:14.1 PCI: 00:14.2 PCI: 00:14.2 resource base d1131000 size 1000 align 12 gran 12 limit d1131fff flags 60000201 index 10 PCI: 00:15.0 child on link 0 I2C: 01:5c PCI: 00:15.0 resource base d1132000 size 1000 align 12 gran 12 limit d1132fff flags 60000201 index 10 I2C: 01:5c PCI: 00:15.1 child on link 0 I2C: 02:15 PCI: 00:15.1 resource base d1133000 size 1000 align 12 gran 12 limit d1133fff flags 60000201 index 10 I2C: 02:15 PCI: 00:15.2 PCI: 00:15.3 PCI: 00:16.0 PCI: 00:16.0 resource base d1134000 size 1000 align 12 gran 12 limit d1134fff flags 60000201 index 10 PCI: 00:16.1 PCI: 00:16.2 PCI: 00:16.3 PCI: 00:16.4 PCI: 00:17.0 PCI: 00:19.0 PCI: 00:19.0 resource base fe034000 size 1000 align 12 gran 12 limit ffffffffffffffff flags c0000200 index 10 PCI: 00:19.0 resource base d1135000 size 1000 align 12 gran 12 limit d1135fff flags 60000201 index 18 PCI: 00:19.1 child on link 0 I2C: 03:39 PCI: 00:19.1 resource base d1136000 size 1000 align 12 gran 12 limit d1136fff flags 60000201 index 10 I2C: 03:39 I2C: 03:3a I2C: 03:1a PCI: 00:19.2 PCI: 00:1c.0 child on link 0 PCI: 01:00.0 PCI: 00:1c.0 resource base ef9f size 0 align 12 gran 12 limit ef9f flags 60080102 index 1c PCI: 00:1c.0 resource base dfffffff size 0 align 20 gran 20 limit dfffffff flags 60081202 index 24 PCI: 00:1c.0 resource base d1000000 size 100000 align 20 gran 20 limit d10fffff flags 60080202 index 20 PCI: 01:00.0 PCI: 01:00.0 resource base d1000000 size 2000 align 13 gran 13 limit d1001fff flags 60000201 index 10 PCI: 00:1c.1 PCI: 00:1c.2 PCI: 00:1c.3 PCI: 00:1c.4 PCI: 00:1c.5 PCI: 00:1c.6 PCI: 00:1c.7 PCI: 00:1d.0 PCI: 00:1d.1 PCI: 00:1d.2 PCI: 00:1d.3 PCI: 00:1e.0 PCI: 00:1e.0 resource base d1137000 size 1000 align 12 gran 12 limit d1137fff flags 60000201 index 10 PCI: 00:1e.1 PCI: 00:1e.2 child on link 0 SPI: 00 PCI: 00:1e.2 resource base d1138000 size 1000 align 12 gran 12 limit d1138fff flags 60000201 index 10 SPI: 00 PCI: 00:1e.3 PCI: 00:1e.4 PCI: 00:1e.4 resource base d1139000 size 1000 align 12 gran 12 limit d1139fff flags 60000201 index 10 PCI: 00:1e.5 PCI: 00:1e.6 PCI: 00:1e.6 resource base d113a000 size 1000 align 12 gran 12 limit d113afff flags 60000201 index 10 PCI: 00:1f.0 child on link 0 PNP: 0c09.0 PCI: 00:1f.0 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0000100 index 0 PNP: 0c09.0 PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0 PCI: 00:1f.1 PCI: 00:1f.2 PCI: 00:1f.2 resource base d1128000 size 4000 align 14 gran 14 limit d112bfff flags 60000200 index 10 PCI: 00:1f.2 resource base fe000000 size 10000 align 0 gran 0 limit 0 flags d0000200 index 48 PCI: 00:1f.2 resource base 1800 size 100 align 0 gran 0 limit 0 flags c0000100 index 40 PCI: 00:1f.3 PCI: 00:1f.3 resource base d112c000 size 4000 align 14 gran 14 limit d112ffff flags 60000201 index 10 PCI: 00:1f.3 resource base d1110000 size 10000 align 16 gran 16 limit d111ffff flags 60000201 index 20 PCI: 00:1f.4 PCI: 00:1f.4 resource base efa0 size 20 align 0 gran 0 limit efbf flags f0000100 index 20 PCI: 00:1f.4 resource base d113c000 size 100 align 12 gran 8 limit d113c0ff flags 60000201 index 10 PCI: 00:1f.5 PCI: 00:1f.5 resource base d113b000 size 1000 align 12 gran 12 limit d113bfff flags 60000200 index 10 PCI: 00:1f.6 Done allocating resources. BS: BS_DEV_RESOURCES times (us): entry 0 run 2113534 exit 31 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 139269 exit 19159 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 30842 usecs CPU_CLUSTER: 0 init ... CPU_CLUSTER: 0 init finished in 2444 usecs PCI: 00:00.0 init ... CPU TDP: 5 Watts CPU PL2 = 18 Watts PCI: 00:00.0 init finished in 6984 usecs PCI: 00:02.0 init ... PCI: 00:02.0 init finished in 2249 usecs PCI: 00:04.0 init ... PCI: 00:04.0 init finished in 2249 usecs PCI: 00:08.0 init ... PCI: 00:08.0 init finished in 2249 usecs PCI: 00:14.0 init ... PCI: 00:14.0 init finished in 2247 usecs PCI: 00:14.2 init ... PCI: 00:14.2 init finished in 2248 usecs PCI: 00:15.0 init ... DW I2C bus 0 at 0xd1132000 (400 KHz) PCI: 00:15.0 init finished in 5967 usecs PCI: 00:15.1 init ... DW I2C bus 1 at 0xd1133000 (400 KHz) PCI: 00:15.1 init finished in 5966 usecs PCI: 00:16.0 init ... PCI: 00:16.0 init finished in 2249 usecs PCI: 00:19.1 init ... DW I2C bus 5 at 0xd1136000 (400 KHz) PCI: 00:19.1 init finished in 5967 usecs PCI: 00:1c.0 init ... Initializing PCH PCIe bridge. PCI: 00:1c.0 init finished in 5287 usecs PCI: 00:1e.4 init ... PCI: 00:1e.4 init finished in 2247 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 23476 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 24078 usecs PCI: 00:1f.4 init ... PCI: 00:1f.4 init finished in 2259 usecs PCI: 01:00.0 init ... PCI: 01:00.0 init finished in 2390 usecs PNP: 0c09.0 init ... Google Chrome EC: Hello got back 11223344 status (0) Google Chrome EC: version: ro: rammus_v2.0.387-f0df0fe2e rw: rammus_v2.0.427-c38dc837e running image: 1 EC returned error result code 1 PNP: 0c09.0 init finished in 24481 usecs Devices initialized Show all devs... After init. Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 DOMAIN: 0000: enabled 1 APIC: 00: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 PCI: 00:15.1: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PCI: 00:1f.1: enabled 0 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 USB0 port 0: enabled 1 I2C: 01:5c: enabled 1 I2C: 02:15: enabled 1 I2C: 03:39: enabled 1 I2C: 03:3a: enabled 1 I2C: 03:1a: enabled 1 PCI: 01:00.0: enabled 1 SPI: 00: enabled 1 PNP: 0c09.0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 APIC: 03: enabled 1 APIC: 01: enabled 1 APIC: 02: enabled 1 PCI: 00:04.0: enabled 1 PCI: 00:08.0: enabled 1 FMAP: area RW_ELOG found @ 9f0000 (16384 bytes) ELOG: NV offset 0x9f0000 size 0x4000 ELOG: area is 4096 bytes, full threshold 3842, shrink size 1024 ELOG: Event(17) added with size 13 at 2023-02-24 09:58:08 UTC POST: Unexpected post code in previous boot: 0x34 ELOG: Event(A3) added with size 11 at 2023-02-24 09:58:08 UTC ELOG: Event(92) added with size 9 at 2023-02-24 09:58:08 UTC ELOG: Event(9A) added with size 9 at 2023-02-24 09:58:08 UTC ELOG: Event(AD) added with size 10 at 2023-02-24 09:58:08 UTC ELOG: Event(9F) added with size 14 at 2023-02-24 09:58:08 UTC BS: BS_DEV_INIT times (us): entry 0 run 417307 exit 60032 ELOG: Event(A1) added with size 10 at 2023-02-24 09:58:08 UTC elog_add_boot_reason: Logged recovery mode boot (Dev-switch on), reason: 0x1b ELOG: Event(A0) added with size 9 at 2023-02-24 09:58:08 UTC elog_add_boot_reason: Logged dev mode boot Finalize devices... Devices finalized FMAP: area RW_NVRAM found @ 9fa000 (24576 bytes) BS: BS_POST_DEVICE times (us): entry 25561 run 3967 exit 5181 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 b2c4 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 537440 exit 146839 call enable_fixed_mtrr() CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CPU physical address size: 39 bits CBFS: Locating 'fallback/payload' MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 MTRR: Fixed MSR 0x250 0x0606060606060606 call enable_fixed_mtrr() 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 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 1049 run 261391 exit 135648 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 9314453/tftp-deploy-fxibosh1/kernel/bzImage 9314453/tftp-deploy-fxibosh1/kernel/cmdline 9314453/tftp-deploy-fxibosh1/ramdisk/ramdisk.cpio.gz tftpboot 192.168.201.1 9314453/tftp-deploy-fxibosh1/kernel/bzImaoy-fxibosh1/kernel/cmdline 9314453/tftp-deploy-fxibosh1/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: 9314453/tftp-deploy-fxibosh1/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 14294208 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: 9314453/tftp-deploy-fxibosh1/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/9314453/extract-nfsrootfs-yuz_vex9,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: 19133078 Starting kernel ... [ 0.000000] Linux version 5.10.168-cip27 (KernelCI@build-j1098549-x86-64-gcc-10-x86-64-defconfig-x86-chromebowxrkg) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Fri Feb 24 09:45:42 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/9314453/extract-nfsrootfs-yuz_vex9,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 [ 0.001400] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.007232] last_pfn = 0x7a998 max_arch_pfn = 0x400000000 [ 0.026132] check: Scanning 1 areas for low memory corruption [ 0.026145] Using GB pages for direct mapping [ 0.026814] RAMDISK: [mem 0x377b7000-0x37ffffff] [ 0.026822] ACPI: Early table checksum verification disabled [ 0.026830] ACPI: RSDP 0x00000000000F0000 000024 (v02 CORE ) [ 0.026844] ACPI: XSDT 0x000000007AA9A0E0 00006C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.026861] ACPI: FACP 0x000000007AA9E970 0000F4 (v04 CORE COREBOOT 00000000 CORE 00000000) [ 0.026877] ACPI: DSDT 0x000000007AA9A280 0046E3 (v05 COREv4 COREBOOT 20110725 INTL 20180531) [ 0.026891] ACPI: FACS 0x000000007AA9A240 000040 [ 0.026902] ACPI: FACS 0x000000007AA9A240 000040 [ 0.026914] ACPI: SSDT 0x000000007AA9EA70 000EFA (v02 CORE COREBOOT 0000002A CORE 0000002A) [ 0.026927] ACPI: MCFG 0x000000007AA9F970 00003C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.026940] ACPI: TPM2 0x000000007AA9F9B0 000040 (v04 CORE COREBOOT 00000000 CORE 00000000) [ 0.026952] ACPI: APIC 0x000000007AA9F9F0 00006C (v02 CORE COREBOOT 00000000 CORE 00000000) [ 0.026965] ACPI: NHLT 0x000000007AA9FA60 001B1C (v05 GOOGLE RAMMUS 00000000 CORE 00000000) [ 0.026978] ACPI: DMAR 0x000000007AAA1580 000088 (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.026990] ACPI: DBG2 0x000000007AAA3610 000061 (v00 CORE COREBOOT 00000000 CORE 00000000) [ 0.027003] ACPI: HPET 0x000000007AAA3680 000038 (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.027015] ACPI: Reserving FACP table memory at [mem 0x7aa9e970-0x7aa9ea63] [ 0.027021] ACPI: Reserving DSDT table memory at [mem 0x7aa9a280-0x7aa9e962] [ 0.027026] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] [ 0.027031] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] [ 0.027035] ACPI: Reserving SSDT table memory at [mem 0x7aa9ea70-0x7aa9f969] [ 0.027040] ACPI: Reserving MCFG table memory at [mem 0x7aa9f970-0x7aa9f9ab] [ 0.027045] ACPI: Reserving TPM2 table memory at [mem 0x7aa9f9b0-0x7aa9f9ef] [ 0.027050] ACPI: Reserving APIC table memory at [mem 0x7aa9f9f0-0x7aa9fa5b] [ 0.027055] ACPI: Reserving NHLT table memory at [mem 0x7aa9fa60-0x7aaa157b] [ 0.027060] ACPI: Reserving DMAR table memory at [mem 0x7aaa1580-0x7aaa1607] [ 0.027065] ACPI: Reserving DBG2 table memory at [mem 0x7aaa3610-0x7aaa3670] [ 0.027070] ACPI: Reserving HPET table memory at [mem 0x7aaa3680-0x7aaa36b7] [ 0.027210] No NUMA configuration found [ 0.027215] Faking a node at [mem 0x0000000000000000-0x000000017effffff] [ 0.027225] NODE_DATA(0) allocated [mem 0x17effc000-0x17effffff] [ 0.027272] Zone ranges: [ 0.027277] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.027285] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.027292] Normal [mem 0x0000000100000000-0x000000017effffff] [ 0.027300] Movable zone start for each node [ 0.027305] Early memory node ranges [ 0.027310] node 0: [mem 0x0000000000001000-0x000000000009ffff] [ 0.027315] node 0: [mem 0x0000000000100000-0x000000007a997fff] [ 0.027321] node 0: [mem 0x0000000100000000-0x000000017effffff] [ 0.027328] Initmem setup node 0 [mem 0x0000000000001000-0x000000017effffff] [ 0.027364] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.027426] On node 0, zone DMA: 96 pages in unavailable ranges [ 0.038815] On node 0, zone Normal: 22120 pages in unavailable ranges [ 0.038892] On node 0, zone Normal: 4096 pages in unavailable ranges [ 0.038916] Reserving Intel graphics memory at [mem 0x7c000000-0x7fffffff] [ 0.039275] ACPI: PM-Timer IO Port: 0x1808 [ 0.039332] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-119 [ 0.039347] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 0.039353] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.039369] Using ACPI (MADT) for SMP configuration information [ 0.039375] ACPI: HPET id: 0x8086a701 base: 0xfed00000 [ 0.039383] TSC deadline timer available [ 0.039388] smpboot: Allowing 4 CPUs, 0 hotplug CPUs [ 0.039419] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.039425] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000fffff] [ 0.039431] PM: hibernation: Registered nosave memory: [mem 0x7a998000-0x7affffff] [ 0.039436] PM: hibernation: Registered nosave memory: [mem 0x7b000000-0x7fffffff] [ 0.039441] PM: hibernation: Registered nosave memory: [mem 0x80000000-0xdfffffff] [ 0.039446] PM: hibernation: Registered nosave memory: [mem 0xe0000000-0xe3ffffff] [ 0.039450] PM: hibernation: Registered nosave memory: [mem 0xe4000000-0xfdffffff] [ 0.039455] PM: hibernation: Registered nosave memory: [mem 0xfe000000-0xfe00ffff] [ 0.039459] PM: hibernation: Registered nosave memory: [mem 0xfe010000-0xfed0ffff] [ 0.039464] PM: hibernation: Registered nosave memory: [mem 0xfed10000-0xfed19fff] [ 0.039469] PM: hibernation: Registered nosave memory: [mem 0xfed1a000-0xfed7ffff] [ 0.039473] PM: hibernation: Registered nosave memory: [mem 0xfed80000-0xfed84fff] [ 0.039478] PM: hibernation: Registered nosave memory: [mem 0xfed85000-0xfed8ffff] [ 0.039482] PM: hibernation: Registered nosave memory: [mem 0xfed90000-0xfed91fff] [ 0.039487] PM: hibernation: Registered nosave memory: [mem 0xfed92000-0xffffffff] [ 0.039496] [mem 0x80000000-0xdfffffff] available for PCI devices [ 0.039504] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns [ 0.054445] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:4 nr_node_ids:1 [ 0.054741] percpu: Embedded 59 pages/cpu s200848 r8192 d32624 u524288 [ 0.054826] Built 1 zonelists, mobility grouping on. Total pages: 1006266 [ 0.054831] Policy zone: Normal [ 0.054859] 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/9314453/extract-nfsrootfs-yuz_vex9,tcp,hard ip=dhcp tftpserverip=192.168.201.1 [ 0.055407] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) [ 0.055665] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear) [ 0.055757] mem auto-init: stack:off, heap alloc:off, heap free:off [ 0.077980] Memory: 3888308K/4089052K available (18450K kernel code, 3459K rwdata, 7984K rodata, 2012K init, 13324K bss, 200484K reserved, 0K cma-reserved) [ 0.078141] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 [ 0.078204] Kernel/User page tables isolation: enabled [ 0.078289] ftrace: allocating 52723 entries in 206 pages [ 0.137450] ftrace: allocated 206 pages with 5 groups [ 0.137760] Running RCU self tests [ 0.137777] rcu: Hierarchical RCU implementation. [ 0.137782] rcu: RCU event tracing is enabled. [ 0.137786] rcu: RCU lockdep checking is enabled. [ 0.137791] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=4. [ 0.137797] Rude variant of Tasks RCU enabled. [ 0.137801] Tracing variant of Tasks RCU enabled. [ 0.137806] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies. [ 0.137811] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 [ 0.148014] NR_IRQS: 4352, nr_irqs: 1024, preallocated irqs: 16 [ 0.148503] random: crng init done [ 0.148617] Console: colour dummy device 80x25 [ 0.223885] printk: console [ttyS0] enabled [ 0.224254] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.224917] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.225278] ... MAX_LOCK_DEPTH: 48 [ 0.225646] ... MAX_LOCKDEP_KEYS: 8192 [ 0.226029] ... CLASSHASH_SIZE: 4096 [ 0.226411] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.226801] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.227190] ... CHAINHASH_SIZE: 32768 [ 0.227580] memory used by lock dependency info: 6365 kB [ 0.228049] memory used for stack traces: 4224 kB [ 0.228468] per task-struct memory footprint: 1920 bytes [ 0.228999] ACPI: Core revision 20200925 [ 0.229612] hpet: HPET dysfunctional in PC10. Force disabled. [ 0.230112] APIC: Switch to symmetric I/O mode setup [ 0.234632] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x170fff30cc4, max_idle_ns: 440795237869 ns [ 0.235555] Calibrating delay loop (skipped), value calculated using timer frequency.. 3199.92 BogoMIPS (lpj=1599960) [ 0.236462] pid_max: default: 32768 minimum: 301 [ 0.236536] LSM: Security Framework initializing [ 0.236536] SELinux: Initializing. [ 0.236536] LSM support for eBPF active [ 0.236536] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.236536] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.236536] mce: CPU0: Thermal monitoring enabled (TM1) [ 0.236536] process: using mwait in idle threads [ 0.236536] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8 [ 0.236536] Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4 [ 0.236536] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 0.236536] Spectre V2 : Mitigation: IBRS [ 0.236536] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 0.236536] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB on VMEXIT [ 0.236536] RETBleed: Mitigation: IBRS [ 0.236536] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier [ 0.236536] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl and seccomp [ 0.236536] MDS: Vulnerable: Clear CPU buffers attempted, no microcode [ 0.236536] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode [ 0.236536] SRBDS: Vulnerable: No microcode [ 0.236536] ------------[ cut here ]------------ [ 0.236536] missing return thunk: lkdtm_rodata_do_nothing+0x0/0x10-lkdtm_rodata_do_nothing+0x5/0x10: e9 00 00 00 00 [ 0.236536] WARNING: CPU: 0 PID: 0 at arch/x86/kernel/alternative.c:712 apply_returns+0x1f5/0x220 [ 0.236536] Modules linked in: [ 0.236536] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.10.168-cip27 #1 [ 0.236536] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 0.236536] RIP: 0010:apply_returns+0x1f5/0x220 [ 0.236536] 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 b0 fa be 8d c6 05 91 4a e4 01 01 e8 9d 53 e5 00 <0f> 0b e9 b9 fe ff ff 44 89 f9 c7 00 cc cc cc cc c7 44 08 fc cc cc [ 0.236536] RSP: 0000:ffffffff8de03de0 EFLAGS: 00010282 [ 0.236536] RAX: 0000000000000000 RBX: ffffffff8e8cf5d0 RCX: 0000000000000000 [ 0.236536] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8c37aba1 [ 0.236536] RBP: ffffffff8d8d15a0 R08: 0000000000000001 R09: 0000000000000001 [ 0.236536] R10: ffffffff8de8fec0 R11: 3fffffffffffffff R12: ffffffff8e8e65f4 [ 0.236536] R13: cccccccccccccccc R14: ffffffff8d8d15a5 R15: 0000000000000004 [ 0.236536] FS: 0000000000000000(0000) GS:ffff9f523ac00000(0000) knlGS:0000000000000000 [ 0.236536] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 0.236536] CR2: ffff9f521d801000 CR3: 000000015c026001 CR4: 00000000003706f0 [ 0.236536] Call Trace: [ 0.236536] alternative_instructions+0x7d/0x143 [ 0.236536] check_bugs+0xece/0xf2a [ 0.236536] start_kernel+0x517/0x54d [ 0.236536] secondary_startup_64_no_verify+0xc2/0xcb [ 0.236536] irq event stamp: 162551 [ 0.236536] hardirqs last enabled at (162559): [] console_unlock+0x4d1/0x5f0 [ 0.236536] hardirqs last disabled at (162566): [] console_unlock+0x444/0x5f0 [ 0.236536] softirqs last enabled at (1840): [] cgroup_idr_alloc.constprop.0+0x5b/0xe0 [ 0.236536] softirqs last disabled at (1838): [] cgroup_idr_alloc.constprop.0+0x2e/0xe0 [ 0.236536] ---[ end trace 84f6a6c56e0696a4 ]--- [ 0.236536] Freeing SMP alternatives memory: 44K [ 0.236536] smpboot: CPU0: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz (family: 0x6, model: 0x8e, stepping: 0x9) [ 0.237470] Performance Events: PEBS fmt3+, Skylake events, 32-deep LBR, full-width counters, Intel PMU driver. [ 0.237558] ... version: 4 [ 0.237916] ... bit width: 48 [ 0.238280] ... generic registers: 4 [ 0.238544] ... value mask: 0000ffffffffffff [ 0.239010] ... max period: 00007fffffffffff [ 0.239474] ... fixed-purpose events: 3 [ 0.239543] ... event mask: 000000070000000f [ 0.240691] rcu: Hierarchical SRCU implementation. [ 0.243636] smp: Bringing up secondary CPUs ... [ 0.245066] x86: Booting SMP configuration: [ 0.245464] .... node #0, CPUs: #1 #2 [ 0.248963] 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. [ 0.249547] 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. [ 0.251317] #3 [ 0.252234] smp: Brought up 1 node, 4 CPUs [ 0.252922] smpboot: Max logical packages: 1 [ 0.253303] smpboot: Total of 4 processors activated (12799.68 BogoMIPS) [ 0.255960] devtmpfs: initialized [ 0.257019] x86/mm: Memory block size: 128MB [ 0.262684] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns [ 0.263563] futex hash table entries: 1024 (order: 5, 131072 bytes, linear) [ 0.264786] pinctrl core: initialized pinctrl subsystem [ 0.265757] PM: RTC time: 09:58:23, date: 2023-02-24 [ 0.266945] NET: Registered protocol family 16 [ 0.268395] audit: initializing netlink subsys (disabled) [ 0.269610] audit: type=2000 audit(1677232703.034:1): state=initialized audit_enabled=0 res=1 [ 0.269752] thermal_sys: Registered thermal governor 'step_wise' [ 0.269760] thermal_sys: Registered thermal governor 'user_space' [ 0.270393] cpuidle: using governor menu [ 0.272009] ACPI: bus type PCI registered [ 0.273071] PCI: MMCONFIG for domain 0000 [bus 00-3f] at [mem 0xe0000000-0xe3ffffff] (base 0xe0000000) [ 0.273555] PCI: MMCONFIG at [mem 0xe0000000-0xe3ffffff] reserved in E820 [ 0.274188] PCI: Using configuration type 1 for base access [ 0.306117] Kprobes globally optimized [ 0.307578] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 0.308163] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 0.308808] cryptomgr_test (38) used greatest stack depth: 14880 bytes left [ 0.312952] ACPI: Added _OSI(Module Device) [ 0.313330] ACPI: Added _OSI(Processor Device) [ 0.313550] ACPI: Added _OSI(3.0 _SCP Extensions) [ 0.313968] ACPI: Added _OSI(Processor Aggregator Device) [ 0.314446] ACPI: Added _OSI(Linux-Dell-Video) [ 0.314572] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 0.315042] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 0.332606] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 0.344191] ACPI: EC: EC started [ 0.344511] ACPI: EC: interrupt blocked [ 0.345596] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.346047] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC used to handle transactions [ 0.346545] ACPI: Interpreter enabled [ 0.346977] ACPI: (supports S0 S3 S4 S5) [ 0.347330] ACPI: Using IOAPIC for interrupt routing [ 0.347651] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 0.372422] ACPI: Power Resource [PRIC] (on) [ 0.506218] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 0.506558] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] [ 0.507756] acpi PNP0A08:00: _OSC: OS now controls [PME PCIeCapability LTR] [ 0.508450] acpi PNP0A08:00: [Firmware Info]: MMCONFIG for domain 0000 [bus 00-3f] only partially covers this bridge [ 0.509403] PCI host bridge to bus 0000:00 [ 0.509551] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 0.510144] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 0.510547] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 0.511195] pci_bus 0000:00: root bus resource [mem 0x000c0000-0x000c3fff window] [ 0.511546] pci_bus 0000:00: root bus resource [mem 0x000c4000-0x000c7fff window] [ 0.512194] pci_bus 0000:00: root bus resource [mem 0x000c8000-0x000cbfff window] [ 0.512546] pci_bus 0000:00: root bus resource [mem 0x000cc000-0x000cffff window] [ 0.513194] pci_bus 0000:00: root bus resource [mem 0x000d0000-0x000d3fff window] [ 0.513546] pci_bus 0000:00: root bus resource [mem 0x000d4000-0x000d7fff window] [ 0.514192] pci_bus 0000:00: root bus resource [mem 0x000d8000-0x000dbfff window] [ 0.514546] pci_bus 0000:00: root bus resource [mem 0x000dc000-0x000dffff window] [ 0.515194] pci_bus 0000:00: root bus resource [mem 0x000e0000-0x000e3fff window] [ 0.515546] pci_bus 0000:00: root bus resource [mem 0x000e4000-0x000e7fff window] [ 0.516194] pci_bus 0000:00: root bus resource [mem 0x000e8000-0x000ebfff window] [ 0.516546] pci_bus 0000:00: root bus resource [mem 0x000ec000-0x000effff window] [ 0.517195] pci_bus 0000:00: root bus resource [mem 0x000f0000-0x000fffff window] [ 0.517546] pci_bus 0000:00: root bus resource [mem 0x80000001-0xdfffffff window] [ 0.518194] pci_bus 0000:00: root bus resource [mem 0x800000000-0xbffffffff window] [ 0.518546] pci_bus 0000:00: root bus resource [mem 0xfd000000-0xfe7fffff window] [ 0.519197] pci_bus 0000:00: root bus resource [mem 0xfed40000-0xfed44fff window] [ 0.519548] pci_bus 0000:00: root bus resource [bus 00-ff] [ 0.520138] pci 0000:00:00.0: [8086:590c] type 00 class 0x060000 [ 0.521956] pci 0000:00:02.0: [8086:591c] type 00 class 0x030000 [ 0.522510] pci 0000:00:02.0: reg 0x10: [mem 0xd0000000-0xd0ffffff 64bit] [ 0.522564] pci 0000:00:02.0: reg 0x18: [mem 0xc0000000-0xcfffffff 64bit pref] [ 0.523200] pci 0000:00:02.0: reg 0x20: [io 0x1c00-0x1c3f] [ 0.524464] pci 0000:00:04.0: [8086:1903] type 00 class 0x118000 [ 0.524576] pci 0000:00:04.0: reg 0x10: [mem 0xd1120000-0xd1127fff 64bit] [ 0.526237] pci 0000:00:08.0: [8086:1911] type 00 class 0x088000 [ 0.526577] pci 0000:00:08.0: reg 0x10: [mem 0xd1130000-0xd1130fff 64bit] [ 0.528077] pci 0000:00:14.0: [8086:9d2f] type 00 class 0x0c0330 [ 0.528590] pci 0000:00:14.0: reg 0x10: [mem 0xd1100000-0xd110ffff 64bit] [ 0.529354] pci 0000:00:14.0: PME# supported from D3hot D3cold [ 0.530615] pci 0000:00:14.2: [8086:9d31] type 00 class 0x118000 [ 0.531183] pci 0000:00:14.2: reg 0x10: [mem 0xd1131000-0xd1131fff 64bit] [ 0.532507] pci 0000:00:15.0: [8086:9d60] type 00 class 0x118000 [ 0.532597] pci 0000:00:15.0: reg 0x10: [mem 0xd1132000-0xd1132fff 64bit] [ 0.534340] pci 0000:00:15.1: [8086:9d61] type 00 class 0x118000 [ 0.534597] pci 0000:00:15.1: reg 0x10: [mem 0xd1133000-0xd1133fff 64bit] [ 0.536361] pci 0000:00:19.0: [8086:9d66] type 00 class 0x118000 [ 0.536600] pci 0000:00:19.0: reg 0x10: [mem 0xfe034000-0xfe034fff 64bit] [ 0.537221] pci 0000:00:19.0: reg 0x18: [mem 0xd1135000-0xd1135fff 64bit] [ 0.538635] pci 0000:00:19.1: [8086:9d65] type 00 class 0x118000 [ 0.539207] pci 0000:00:19.1: reg 0x10: [mem 0xd1136000-0xd1136fff 64bit] [ 0.540737] pci 0000:00:1c.0: [8086:9d10] type 01 class 0x060400 [ 0.541494] pci 0000:00:1c.0: PME# supported from D0 D3hot D3cold [ 0.542626] pci 0000:00:1e.0: [8086:9d27] type 00 class 0x118000 [ 0.543199] pci 0000:00:1e.0: reg 0x10: [mem 0xd1137000-0xd1137fff 64bit] [ 0.544678] pci 0000:00:1e.2: [8086:9d29] type 00 class 0x118000 [ 0.545250] pci 0000:00:1e.2: reg 0x10: [mem 0xd1138000-0xd1138fff 64bit] [ 0.546697] pci 0000:00:1e.4: [8086:9d2b] type 00 class 0x080501 [ 0.547267] pci 0000:00:1e.4: reg 0x10: [mem 0xd1139000-0xd1139fff 64bit] [ 0.548847] pci 0000:00:1e.6: [8086:9d2d] type 00 class 0x080501 [ 0.549417] pci 0000:00:1e.6: reg 0x10: [mem 0xd113a000-0xd113afff 64bit] [ 0.550637] pci 0000:00:1f.0: [8086:9d4b] type 00 class 0x060100 [ 0.552239] pci 0000:00:1f.2: [8086:9d21] type 00 class 0x058000 [ 0.552583] pci 0000:00:1f.2: reg 0x10: [mem 0xd1128000-0xd112bfff] [ 0.554192] pci 0000:00:1f.3: [8086:9d71] type 00 class 0x040100 [ 0.554595] pci 0000:00:1f.3: reg 0x10: [mem 0xd112c000-0xd112ffff 64bit] [ 0.555251] pci 0000:00:1f.3: reg 0x20: [mem 0xd1110000-0xd111ffff 64bit] [ 0.555673] pci 0000:00:1f.3: PME# supported from D3hot D3cold [ 0.557261] pci 0000:00:1f.4: [8086:9d23] type 00 class 0x0c0500 [ 0.557615] pci 0000:00:1f.4: reg 0x10: [mem 0xd113c000-0xd113c0ff 64bit] [ 0.558284] pci 0000:00:1f.4: reg 0x20: [io 0xefa0-0xefbf] [ 0.559573] pci 0000:00:1f.5: [8086:9d24] type 00 class 0x000000 [ 0.560133] pci 0000:00:1f.5: reg 0x10: [mem 0xfe010000-0xfe010fff] [ 0.562401] pci 0000:01:00.0: [8086:095a] type 00 class 0x028000 [ 0.563491] pci 0000:01:00.0: reg 0x10: [mem 0xd1000000-0xd1001fff 64bit] [ 0.567793] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold [ 0.570848] pci 0000:00:1c.0: PCI bridge to [bus 01] [ 0.571304] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] [ 0.573392] ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.573935] ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 *10 12 14 15) [ 0.574925] ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.575931] ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.576924] ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.577924] ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.578924] ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.579928] ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.588313] ACPI: EC: interrupt unblocked [ 0.588562] ACPI: EC: event unblocked [ 0.588911] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.589365] ACPI: EC: GPE=0x6e [ 0.589578] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC initialization complete [ 0.590192] ACPI: \_SB_.PCI0.LPCB.EC0_: EC: Used to handle transactions and events [ 0.591136] iommu: Default domain type: Translated [ 0.591861] pci 0000:00:02.0: vgaarb: setting as boot VGA device [ 0.592182] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 0.592573] pci 0000:00:02.0: vgaarb: bridge control possible [ 0.593076] vgaarb: loaded [ 0.594014] SCSI subsystem initialized [ 0.594772] ACPI: bus type USB registered [ 0.595287] usbcore: registered new interface driver usbfs [ 0.595625] usbcore: registered new interface driver hub [ 0.596140] usbcore: registered new device driver usb [ 0.596708] pps_core: LinuxPPS API ver. 1 registered [ 0.597146] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 0.597559] PTP clock support registered [ 0.598610] Advanced Linux Sound Architecture Driver Initialized. [ 0.600433] NetLabel: Initializing [ 0.600547] NetLabel: domain hash size = 128 [ 0.600934] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 0.601518] NetLabel: unlabeled traffic allowed by default [ 0.601702] PCI: Using ACPI for IRQ routing [ 0.609997] clocksource: Switched to clocksource tsc-early [ 1.143717] VFS: Disk quotas dquot_6.6.0 [ 1.144133] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 1.145262] pnp: PnP ACPI init [ 1.146651] system 00:00: [mem 0xfed10000-0xfed17fff] has been reserved [ 1.147235] system 00:00: [mem 0xfed18000-0xfed18fff] has been reserved [ 1.147838] system 00:00: [mem 0xfed19000-0xfed19fff] has been reserved [ 1.148419] system 00:00: [mem 0xe0000000-0xe3ffffff] has been reserved [ 1.149016] system 00:00: [mem 0xfed20000-0xfed3ffff] has been reserved [ 1.149615] system 00:00: [mem 0xfed90000-0xfed93fff] could not be reserved [ 1.150224] system 00:00: [mem 0xfed45000-0xfed8ffff] could not be reserved [ 1.150850] system 00:00: [mem 0xff000000-0xffffffff] has been reserved [ 1.151430] system 00:00: [mem 0xfee00000-0xfeefffff] has been reserved [ 1.152027] system 00:00: [mem 0xfed00000-0xfed003ff] has been reserved [ 1.153867] system 00:01: [io 0x1800-0x18fe] has been reserved [ 1.154932] system 00:03: [io 0x0900-0x09fe] has been reserved [ 1.155815] system 00:04: [io 0x0200] has been reserved [ 1.156288] system 00:04: [io 0x0204] has been reserved [ 1.156781] system 00:04: [io 0x0800-0x087f] has been reserved [ 1.157302] system 00:04: [io 0x0880-0x08ff] has been reserved [ 1.161429] pnp: PnP ACPI: found 6 devices [ 1.179269] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 1.180206] NET: Registered protocol family 2 [ 1.180806] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear) [ 1.183493] tcp_listen_portaddr_hash hash table entries: 2048 (order: 5, 163840 bytes, linear) [ 1.184536] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear) [ 1.185526] TCP bind hash table entries: 32768 (order: 9, 2359296 bytes, linear) [ 1.188449] TCP: Hash tables configured (established 32768 bind 32768) [ 1.189429] MPTCP token hash table entries: 4096 (order: 6, 360448 bytes, linear) [ 1.190441] UDP hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 1.191376] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 1.192507] NET: Registered protocol family 1 [ 1.193808] RPC: Registered named UNIX socket transport module. [ 1.194354] RPC: Registered udp transport module. [ 1.194794] RPC: Registered tcp transport module. [ 1.195211] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 1.196504] NET: Registered protocol family 44 [ 1.196950] pci 0000:00:1c.0: PCI bridge to [bus 01] [ 1.197407] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] [ 1.198038] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 1.198594] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 1.199134] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 1.199820] pci_bus 0000:00: resource 7 [mem 0x000c0000-0x000c3fff window] [ 1.200418] pci_bus 0000:00: resource 8 [mem 0x000c4000-0x000c7fff window] [ 1.201034] pci_bus 0000:00: resource 9 [mem 0x000c8000-0x000cbfff window] [ 1.201647] pci_bus 0000:00: resource 10 [mem 0x000cc000-0x000cffff window] [ 1.202251] pci_bus 0000:00: resource 11 [mem 0x000d0000-0x000d3fff window] [ 1.202871] pci_bus 0000:00: resource 12 [mem 0x000d4000-0x000d7fff window] [ 1.203475] pci_bus 0000:00: resource 13 [mem 0x000d8000-0x000dbfff window] [ 1.204142] pci_bus 0000:00: resource 14 [mem 0x000dc000-0x000dffff window] [ 1.204763] pci_bus 0000:00: resource 15 [mem 0x000e0000-0x000e3fff window] [ 1.205368] pci_bus 0000:00: resource 16 [mem 0x000e4000-0x000e7fff window] [ 1.205987] pci_bus 0000:00: resource 17 [mem 0x000e8000-0x000ebfff window] [ 1.206607] pci_bus 0000:00: resource 18 [mem 0x000ec000-0x000effff window] [ 1.207211] pci_bus 0000:00: resource 19 [mem 0x000f0000-0x000fffff window] [ 1.207831] pci_bus 0000:00: resource 20 [mem 0x80000001-0xdfffffff window] [ 1.208436] pci_bus 0000:00: resource 21 [mem 0x800000000-0xbffffffff window] [ 1.209069] pci_bus 0000:00: resource 22 [mem 0xfd000000-0xfe7fffff window] [ 1.209689] pci_bus 0000:00: resource 23 [mem 0xfed40000-0xfed44fff window] [ 1.210294] pci_bus 0000:01: resource 1 [mem 0xd1000000-0xd10fffff] [ 1.211480] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 1.214922] PCI: CLS 64 bytes, default 64 [ 1.215805] Unpacking initramfs... [ 1.596912] Freeing initrd memory: 8484K [ 1.597352] DMAR: Host address width 39 [ 1.597751] DMAR: DRHD base: 0x000000fed90000 flags: 0x0 [ 1.598294] DMAR: dmar0: reg_base_addr fed90000 ver 1:0 cap 1c0000c40660462 ecap 19e2ff0505e [ 1.599043] DMAR: RMRR base: 0x0000007b800000 end: 0x0000007fffffff [ 1.599610] DMAR: DRHD base: 0x000000fed91000 flags: 0x1 [ 1.600101] DMAR: dmar1: reg_base_addr fed91000 ver 1:0 cap d2008c40660462 ecap f050da [ 1.600921] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 1.601485] software IO TLB: mapped [mem 0x0000000076998000-0x000000007a998000] (64MB) [ 1.602455] RAPL PMU: API unit is 2^-32 Joules, 5 fixed counters, 655360 ms ovfl timer [ 1.603175] RAPL PMU: hw unit of domain pp0-core 2^-14 Joules [ 1.603780] RAPL PMU: hw unit of domain package 2^-14 Joules [ 1.604276] RAPL PMU: hw unit of domain dram 2^-14 Joules [ 1.604764] RAPL PMU: hw unit of domain pp1-gpu 2^-14 Joules [ 1.605259] RAPL PMU: hw unit of domain psys 2^-14 Joules [ 1.608060] kvm: already loaded the other module [ 1.623083] check: Scanning for low memory corruption every 60 seconds [ 1.627920] Initialise system trusted keyrings [ 1.628657] workingset: timestamp_bits=56 max_order=20 bucket_order=0 [ 1.656420] NFS: Registering the id_resolver key type [ 1.656935] Key type id_resolver registered [ 1.657339] Key type id_legacy registered [ 1.679927] Key type asymmetric registered [ 1.680324] Asymmetric key parser 'x509' registered [ 1.680843] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249) [ 1.681504] io scheduler mq-deadline registered [ 1.681924] io scheduler kyber registered [ 1.682610] test_firmware: interface ready [ 1.685047] pcieport 0000:00:1c.0: PME: Signaling with IRQ 120 [ 1.687271] ACPI: AC Adapter [AC] (on-line) [ 1.688180] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/PNP0C0D:00/input/input0 [ 1.690154] ACPI: Lid Switch [LID0] [ 1.690865] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input1 [ 1.691865] ACPI: Power Button [PWRF] [ 1.692797] ACPI: \_PR_.CP00: Found 3 idle states [ 1.694192] ACPI: \_PR_.CP01: Found 3 idle states [ 1.695399] ACPI: \_PR_.CP02: Found 3 idle states [ 1.696647] ACPI: \_PR_.CP03: Found 3 idle states [ 1.698690] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 1.703834] hpet_acpi_add: no address or irqs in _CRS [ 1.704760] Non-volatile memory driver v1.3 [ 1.705483] Linux agpgart interface v0.103 [ 1.705738] battery: ACPI: Battery Slot [BAT0] (battery present) [ 1.709787] i915 0000:00:02.0: vgaarb: deactivate vga console [ 1.763109] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem [ 1.764955] i915 0000:00:02.0: [drm] Finished loading DMC firmware i915/kbl_dmc_ver1_04.bin (v1.4) [ 1.794112] [drm] Initialized i915 1.6.0 20200917 for 0000:00:02.0 on minor 0 [ 1.798834] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 1 [ 1.822797] loop: module loaded [ 1.824223] lkdtm: No crash points registered, enable through debugfs [ 1.856163] printk: console [ttyS0] disabled [ 1.857672] dw-apb-uart.2: ttyS0 at MMIO 0xfe034000 (irq = 32, base_baud = 115200) is a 16550A [ 2.635740] tsc: Refined TSC clocksource calibration: 1607.999 MHz [ 2.635776] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x172da94f0e2, max_idle_ns: 440795278248 ns [ 2.635981] clocksource: Switched to clocksource tsc [ 5.253064] printk: console [ttyS0] enabled [ 5.253129] fbcon: i915drmfb (fb0) is primary device [ 5.268728] dw-apb-uart.4: ttyS1 at MMIO 0xd1137000 (irq = 20, base_baud = 115200) is a 16550A [ 5.271193] pxa2xx-spi pxa2xx-spi.5: no DMA channels available, using PIO [ 5.281244] e100: Intel(R) PRO/100 Network Driver [ 5.281249] e100: Copyright(c) 1999-2006 Intel Corporation [ 5.281327] e1000: Intel(R) PRO/1000 Network Driver [ 5.281330] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 5.281429] e1000e: Intel(R) PRO/1000 Network Driver [ 5.281431] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 5.281556] sky2: driver version 1.30 [ 5.281952] usbcore: registered new interface driver r8152 [ 5.282499] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 5.282523] ehci-pci: EHCI PCI platform driver [ 5.282664] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 5.282677] tpm_tis_spi spi-PRP0001:00: TPM ready IRQ confirmed on attempt 2 [ 5.282686] ohci-pci: OHCI PCI platform driver [ 5.282762] uhci_hcd: USB Universal Host Controller Interface driver [ 5.284238] xhci_hcd 0000:00:14.0: xHCI Host Controller [ 5.285212] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 1 [ 5.286650] xhci_hcd 0000:00:14.0: hcc params 0x200077c1 hci version 0x100 quirks 0x0000000081109810 [ 5.286708] xhci_hcd 0000:00:14.0: cache line size of 64 is not supported [ 5.288970] xhci_hcd 0000:00:14.0: xHCI Host Controller [ 5.289652] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 2 [ 5.289672] xhci_hcd 0000:00:14.0: Host supports USB 3.0 SuperSpeed [ 5.290414] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10 [ 5.290436] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 5.290441] usb usb1: Product: xHCI Host Controller [ 5.290445] usb usb1: Manufacturer: Linux 5.10.168-cip27 xhci-hcd [ 5.290449] usb usb1: SerialNumber: 0000:00:14.0 [ 5.292892] hub 1-0:1.0: USB hub found [ 5.293128] hub 1-0:1.0: 12 ports detected [ 5.298894] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.10 [ 5.298902] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 5.298908] usb usb2: Product: xHCI Host Controller [ 5.298914] usb usb2: Manufacturer: Linux 5.10.168-cip27 xhci-hcd [ 5.298919] usb usb2: SerialNumber: 0000:00:14.0 [ 5.300291] hub 2-0:1.0: USB hub found [ 5.300365] hub 2-0:1.0: 6 ports detected [ 5.303164] usbcore: registered new interface driver usblp [ 5.303272] usbcore: registered new interface driver usb-storage [ 5.303926] udc-core: couldn't find an available UDC - added [g_ether] to list of pending drivers [ 5.304128] i8042: PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1 [ 5.304133] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp [ 5.304937] i8042: Warning: Keylock active [ 5.305225] serio: i8042 KBD port at 0x60,0x64 irq 1 [ 5.307273] tpm_tis_spi spi-PRP0001:00: 2.0 TPM (device-id 0x28, rev-id 0) [ 5.308062] rtc_cmos 00:02: RTC can wake from S4 [ 5.310472] Console: switching to colour frame buffer device 240x67 [ 5.311407] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input2 [ 5.311651] rtc_cmos 00:02: registered as rtc0 [ 5.312259] rtc_cmos 00:02: alarms up to one month, 242 bytes nvram [ 5.314410] i801_smbus 0000:00:1f.4: SPD Write Disable is set [ 5.314467] i801_smbus 0000:00:1f.4: SMBus using PCI interrupt [ 5.316057] i2c i2c-9: 2/2 memory slots populated (from DMI) [ 5.318426] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com [ 5.318482] intel_pstate: Intel P-state driver initializing [ 5.319816] intel_pstate: HWP enabled [ 5.319875] sdhci: Secure Digital Host Controller Interface driver [ 5.319877] sdhci: Copyright(c) Pierre Ossman [ 5.319929] sdhci-pci 0000:00:1e.4: SDHCI controller found [8086:9d2b] (rev 21) [ 5.321373] mmc0: SDHCI controller on PCI [0000:00:1e.4] using ADMA 64-bit [ 5.321563] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.323956] hid: raw HID events driver (C) Jiri Kosina [ 5.324670] usbcore: registered new interface driver usbhid [ 5.324672] usbhid: USB HID core driver [ 5.325240] input: Tablet Mode Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/GOOG0006:00/input/input3 [ 5.330326] cros_ec_lpcs GOOG0004:00: Chrome EC device registered [ 5.331363] i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device [ 5.337764] snd_hda_intel 0000:00:1f.3: DSP detected with PCI class/subclass/prog-if info 0x040100 [ 5.541571] usb 1-3: new full-speed USB device number 2 using xhci_hcd [ 5.546486] snd_hda_intel 0000:00:1f.3: bound 0000:00:02.0 (ops i915_audio_component_bind_ops) [ 5.546639] netem: version 1.3 [ 5.546781] ipip: IPv4 and MPLS over IPv4 tunneling driver [ 5.547149] IPv4 over IPsec tunneling driver [ 5.547472] Initializing XFRM netlink socket [ 5.548168] NET: Registered protocol family 10 [ 5.550033] Segment Routing with IPv6 [ 5.551018] NET: Registered protocol family 17 [ 5.551292] Key type dns_resolver registered [ 5.596575] 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 [ 5.603457] microcode: sig=0x806e9, pf=0x10, revision=0x98 [ 5.610187] microcode: Microcode Update Driver: v2.2. [ 5.644894] mmc0: new HS400 MMC card at address 0001 [ 5.651665] IPI shorthand broadcast: enabled [ 5.651717] sched_clock: Marking stable (5564581340, 87076036)->(5781506476, -129849100) [ 5.661961] mmcblk0: mmc0:0001 DA4064 58.2 GiB [ 5.680192] registered taskstats version 1 [ 5.686415] mmcblk0boot0: mmc0:0001 DA4064 partition 1 4.00 MiB [ 5.686817] usb 1-3: New USB device found, idVendor=8087, idProduct=0a2a, bcdDevice= 0.03 [ 5.686825] usb 1-3: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 5.692636] Loading compiled-in X.509 certificates [ 5.702185] mmcblk0boot1: mmc0:0001 DA4064 partition 2 4.00 MiB [ 5.710715] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.712977] mmcblk0rpmb: mmc0:0001 DA4064 partition 3 16.0 MiB, chardev (246:0) [ 5.723239] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.744583] mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12 [ 5.749825] snd_hda_intel 0000:00:1f.3: Cannot probe codecs, giving up [ 5.750593] PM: Magic number: 11:175:981 [ 5.759365] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.801608] usb 2-3: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 6.006065] printk: console [netcon0] enabled [ 6.010944] netconsole: network logging started [ 6.018337] usb 2-3: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=31.00 [ 6.027509] usb 2-3: New USB device strings: Mfr=1, Product=2, SerialNumber=6 [ 6.035513] usb 2-3: Product: USB 10/100/1000 LAN [ 6.040783] usb 2-3: Manufacturer: Realtek [ 6.045372] usb 2-3: SerialNumber: 001000001 [ 6.052701] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.131810] usb 1-9: new high-speed USB device number 3 using xhci_hcd [ 6.301352] usb 1-9: New USB device found, idVendor=13d3, idProduct=56d4, bcdDevice=18.07 [ 6.310578] usb 1-9: New USB device strings: Mfr=3, Product=1, SerialNumber=2 [ 6.318587] usb 1-9: Product: USB2.0 HD UVC WebCam [ 6.323974] usb 1-9: Manufacturer: Azurewave [ 6.328774] usb 1-9: SerialNumber: 0x0001 [ 6.340438] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.386965] usb 2-3: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 6.431090] r8152 2-3:1.0: load rtl8153b-2 v1 10/23/19 successfully [ 6.467668] r8152 2-3:1.0 eth0: v1.11.11 [ 6.472757] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 8.140113] r8152 2-3:1.0 eth0: carrier on [ 8.145635] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready [ 8.157685] Sending DHCP requests .., OK [ 10.393208] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.15 [ 10.402209] IP-Config: Complete: [ 10.405855] device=eth0, hwaddr=00:e0:4c:68:04:98, ipaddr=192.168.201.15, mask=255.255.255.0, gw=192.168.201.1 [ 10.417559] host=asus-C433TA-AJ0005-rammus-cbg-4, domain=lava-rack, nis-domain=(none) [ 10.426813] bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath= [ 10.426817] nameserver0=192.168.201.1 [ 10.439676] cfg80211: Loading compiled-in X.509 certificates for regulatory database [ 10.451345] modprobe (100) used greatest stack depth: 14120 bytes left [ 10.454585] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' [ 10.466114] ALSA device list: [ 10.469581] No soundcards found. [ 10.469710] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 [ 10.483258] cfg80211: failed to load regulatory.db [ 10.488882] dw-apb-uart dw-apb-uart.2: forbid DMA for kernel console [ 10.498834] Freeing unused kernel image (initmem) memory: 2012K [ 10.518872] Write protecting the kernel read-only data: 28672k [ 10.526640] Freeing unused kernel image (text/rodata gap) memory: 2028K [ 10.534374] Freeing unused kernel image (rodata/data gap) memory: 208K [ 10.541755] Run /init as init process Loading, please wait... Starting version 247.3-7+deb11u1 [ 10.563501] systemd-udevd (122) used greatest stack depth: 13800 bytes left [ 10.620086] udevadm (124) used greatest stack depth: 13576 bytes left [ 10.765949] cros-usbpd-notify-acpi GOOG0003:00: Couldn't get Chrome EC device pointer. [ 10.775755] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 10.810291] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 10.867473] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 10.877799] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 10.890109] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 10.908011] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 10.918981] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 10.929178] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) Begin: Loading essential drivers ... done. Begin: Running /scripts/init-premount ... done. Begin: Mounting root file system ... Begin: Running /scripts/nfs-top ... done. Begin: Running /scripts/nfs-premount ... Waiting up to 60 secs for any ethernet to become available Device /sys/class/net/eth0 found done. IP-Config: eth0 hardware address 00:e0:4c:68:04:98 mtu 1500 DHCP IP-Config: eth0 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 : [ 11.115648] 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 [ 12.319402] 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) [ 12.357893] systemd[1]: Detected architecture x86-64. Welcome to Debian GNU/Linux 11 (bullseye)! [ 12.389167] systemd[1]: Set hostname to . [ 12.941715] systemd[1]: Queued start job for default target Graphical Interface. [ 12.953043] systemd[1]: Created slice system-getty.slice. [ OK ] Created slice system-getty.slice. [ 12.969210] systemd[1]: Created slice system-modprobe.slice. [ OK ] Created slice system-modprobe.slice. [ 12.985265] systemd[1]: Created slice system-serial\x2dgetty.slice. [ OK ] Created slice system-serial\x2dgetty.slice. [ 13.002211] systemd[1]: Created slice User and Session Slice. [ OK ] Created slice User and Session Slice. [ 13.018136] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [ OK ] Started Dispatch Password …ts to Console Directory Watch. [ 13.037106] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [ OK ] Started Forward Password R…uests to Wall Directory Watch. [ 13.058743] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point. [ OK ] Set up automount Arbitrary…s File System Automount Point. [ 13.081949] systemd[1]: Reached target Local Encrypted Volumes. [ OK ] Reached target Local Encrypted Volumes. [ 13.097849] systemd[1]: Reached target Paths. [ OK ] Reached target Paths. [ 13.108809] systemd[1]: Reached target Remote File Systems. [ OK ] Reached target Remote File Systems. [ 13.124897] systemd[1]: Reached target Slices. [ OK ] Reached target Slices. [ 13.135809] systemd[1]: Reached target Swap. [ OK ] Reached target Swap. [ 13.147126] systemd[1]: Listening on initctl Compatibility Named Pipe. [ OK ] Listening on initctl Compatibility Named Pipe. [ 13.164874] systemd[1]: Listening on Journal Audit Socket. [ OK ] Listening on Journal Audit Socket. [ 13.181861] systemd[1]: Listening on Journal Socket (/dev/log). [ OK ] Listening on Journal Socket (/dev/log). [ 13.198325] systemd[1]: Listening on Journal Socket. [ OK ] Listening on Journal Socket. [ 13.213835] systemd[1]: Listening on Network Service Netlink Socket. [ OK ] Listening on Network Service Netlink Socket. [ 13.232939] systemd[1]: Listening on udev Control Socket. [ OK ] Listening on udev Control Socket. [ 13.249258] systemd[1]: Listening on udev Kernel Socket. [ OK ] Listening on udev Kernel Socket. [ 13.266795] systemd[1]: Mounting Huge Pages File System... Mounting Huge Pages File System... [ 13.283343] systemd[1]: Mounting POSIX Message Queue File System... Mounting POSIX Message Queue File System... [ 13.302303] systemd[1]: Mounting Kernel Debug File System... Mounting Kernel Debug File System... [ 13.318125] systemd[1]: Mounting Kernel Trace File System... Mounting Kernel Trace File System... [ 13.343351] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting Create list of st…odes for the current kernel... [ 13.365556] systemd[1]: Starting Load Kernel Module configfs... Starting Load Kernel Module configfs... [ 13.384557] systemd[1]: Starting Load Kernel Module drm... Starting Load Kernel Module drm... [ 13.398296] systemd[1]: Starting Load Kernel Module fuse... Starting Load Kernel Module fuse... [ 13.437865] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. [ 13.448305] fuse: init (API version 7.32) [ 13.454464] systemd[1]: Starting Journal Service... Starting Journal Service... [ 13.470768] systemd[1]: Starting Load Kernel Modules... Starting Load Kernel Modules... [ 13.484341] systemd[1]: Starting Remount Root and Kernel File Systems... Starting Remount Root and Kernel File Systems... [ 13.502630] systemd[1]: Starting Coldplug All udev Devices... Starting Coldplug All udev Devices... [ 13.521336] systemd[1]: Mounted Huge Pages File System. [ OK ] Mounted Huge Pages File System. [ 13.536055] systemd[1]: Mounted POSIX Message Queue File System. [ OK ] Mounted POSIX Message Queue File System. [ 13.551871] systemd[1]: Mounted Kernel Debug File System. [ OK ] Mounted Kernel Debug File System. [ 13.566867] systemd[1]: Mounted Kernel Trace File System. [ OK ] Mounted Kernel Trace File System. [ 13.582891] systemd[1]: Finished Create list of static device nodes for the current kernel. [ OK ] Finished Create list of st… nodes for the current kernel. [ 13.604604] systemd[1]: modprobe@configfs.service: Succeeded. [ 13.611700] systemd[1]: Finished Load Kernel Module configfs. [ OK ] Finished Load Kernel Module configfs. [ 13.627663] systemd[1]: modprobe@drm.service: Succeeded. [ 13.634428] systemd[1]: Finished Load Kernel Module drm. [ OK ] Finished Load Kernel Module drm. [ 13.650691] systemd[1]: modprobe@fuse.service: Succeeded. [ 13.657530] systemd[1]: Finished Load Kernel Module fuse. [ OK ] Finished Load Kernel Module fuse. [ 13.673576] systemd[1]: Finished Load Kernel Modules. [ OK ] Finished Load Kernel Modules. [ 13.688396] systemd[1]: Finished Remount Root and Kernel File Systems. [ OK ] Finished Remount Root and Kernel File Systems. [ 13.706172] systemd[1]: Started Journal Service. [ OK ] Started Journal Service. 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... [ 13.788122] systemd-journald[202]: Received client request to flush runtime journal. Starting Create System Users... [ OK ] Mounted FUSE Control File System. [ OK ] Mounted Kernel Configuration File System. [ OK ] Finished Load/Save Random Seed. [ OK ] Finished Apply Kernel Variables. [ OK ] Finished Coldplug All udev Devices. [ OK ] Finished Create System Users. Starting Create Static Device Nodes in /dev... [ OK ] Finished Flush Journal to Persistent Storage. [ 15.314816] 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 ] Found device Sunrise Point-LP Serial IO UART Controller. [ OK ] Finished Update UTMP about System Boot/Shutdown. [ OK ] Created slice system-systemd\x2dbacklight.slice. [ OK ] Listening on Load/Save RF …itch Status /dev/rfkill Watch. Starting Load/Save Screen …f backlight:intel_backlight... [ OK ] Started Network Service. Starting Network Name Resolution... [ 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... [ 17.328431] e2scrub_all (255) used greatest stack depth: 12240 bytes left [ OK ] Finished Remove Stale Onli…ext4 Metadata Check Snapshots. [ OK ] Started Network Name Resolution. [ OK ] Reached target Network. [ OK ] Reached target Host and Network Name Lookups. Starting Permit User Sessions... [ OK ] Started User Login Management. [ 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 5.10.168-cip27 #1 SMP Fri Feb 24 09:45:42 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/9314453/extract-nfsrootfs-yuz_vex9' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/9314453/extract-nfsrootfs-yuz_vex9' / # 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-9314453/environment . /lava-9314453/environment / # /lava-9314453/bin/lava-test-runner /lava-9314453/0 /lava-9314453/bin/lava-test-runner /lava-9314453/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-9314453/0/tests/0_timesync-off ++ cat uuid + UUID=9314453_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-9314453/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=9314453_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/linux-5.10.y-cip/v5.10.168-cip27/x86_64/x86_64_defconfig+x86-chromebook+kselftest/gcc-10/kselftest.tar.xz -L '' -S skipfile-lkft.yaml -b asus-C433TA-AJ0005-rammus -g cip -e '' -p /opt/kselftests/mainline/ -n 1 -i 1 INFO: Generating a skipfile based on /lava-9314453/0/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 --2023-02-24 09:58:43-- http://storage.kernelci.org/cip/linux-5.10.y-cip/v5.10.168-cip27/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: 3321676 (3.2M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 1%[ ] 50.15K 173KB/s kselftest.tar.xz 6%[> ] 219.84K 378KB/s kselftest.tar.xz 25%[====> ] 817.06K 869KB/s kselftest.tar.xz 44%[=======> ] 1.41M 1.10MB/s kselftest.tar.xz 89%[================> ] 2.82M 1.71MB/s kselftest.tar.xz 89%[================> ] 2.83M 1.45MB/s kselftest.tar.xz 89%[================> ] 2.84M 1.27MB/s kselftest.tar.xz 90%[=================> ] 2.86M 1.13MB/s kselftest.tar.xz 94%[=================> ] 2.99M 1.06MB/s kselftest.tar.xz 100%[===================>] 3.17M 1.07MB/s in 3.0s 2023-02-24 09:58:46 (1.07 MB/s) - 'kselftest.tar.xz' saved [3321676/3321676] 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:STACKLEAK_ERASING.sh lkdtm:CFI_FORWARD_PROTO.sh ===========End Tests to run =============== [ 32.959866] kselftest: Running tests in lkdtm TAP version 13 1..70 # selftests: lkdtm: PANIC.sh # Skipping PANIC: crashes entire system ok 1 selftests: lkdtm: PANIC.sh # SKIP # selftests: lkdtm: BUG.sh [ 33.130358] lkdtm: Performing direct entry BUG [ 33.135405] ------------[ cut here ]------------ [ 33.140600] kernel BUG at drivers/misc/lkdtm/bugs.c:76! [ 33.146466] invalid opcode: 0000 [#1] SMP PTI [ 33.151337] CPU: 3 PID: 643 Comm: cat Tainted: G W 5.10.168-cip27 #1 [ 33.159889] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 33.166697] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 33.171081] Code: 89 ff e8 fe 60 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 30 39 92 02 [ 33.192059] RSP: 0018:ffffb6cec12efe60 EFLAGS: 00010282 [ 33.197893] RAX: ffffffff8cae4d20 RBX: 0000000000000001 RCX: 0000000000000000 [ 33.205859] RDX: 0000000000000000 RSI: ffff9f523ad9bf70 RDI: ffffffff8d8d1110 [ 33.213826] RBP: ffffffff8dd0d628 R08: 0000000000000001 R09: 0000000000000001 [ 33.221793] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 33.229759] R13: ffffb6cec12eff10 R14: ffffb6cec12eff10 R15: ffff9f51c4e2e000 [ 33.237726] FS: 00007f7c50abc580(0000) GS:ffff9f523ad80000(0000) knlGS:0000000000000000 [ 33.246761] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 33.253174] CR2: 00007f7c508c5000 CR3: 0000000103f3e006 CR4: 00000000003706e0 [ 33.261141] Call Trace: [ 33.263869] direct_entry.cold+0x2c/0x38 [ 33.268246] full_proxy_write+0x53/0x80 [ 33.272534] vfs_write+0xe7/0x3a0 [ 33.276231] ksys_write+0x68/0xf0 [ 33.279930] do_syscall_64+0x30/0x40 [ 33.283919] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 33.289575] RIP: 0033:0x7f7c509d2833 [ 33.293572] 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 [ 33.314570] RSP: 002b:00007ffd3dd419a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 33.323025] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f7c509d2833 [ 33.330984] RDX: 0000000000000004 RSI: 00007f7c508c5000 RDI: 0000000000000001 [ 33.338951] RBP: 00007f7c508c5000 R08: 00007f7c508c4010 R09: 0000000000000000 [ 33.346917] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 33.354885] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 33.362857] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 33.389321] ---[ end trace 84f6a6c56e0696a6 ]--- [ 33.394492] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 33.398874] Code: 89 ff e8 fe 60 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 30 39 92 02 [ 33.419859] RSP: 0018:ffffb6cec12efe60 EFLAGS: 00010282 [ 33.425725] RAX: ffffffff8cae4d20 RBX: 0000000000000001 RCX: 0000000000000000 [ 33.433727] RDX: 0000000000000000 RSI: ffff9f523ad9bf70 RDI: ffffffff8d8d1110 [ 33.441730] RBP: ffffffff8dd0d628 R08: 0000000000000001 R09: 0000000000000001 [ 33.449732] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 33.457732] R13: ffffb6cec12eff10 R14: ffffb6cec12eff10 R15: ffff9f51c4e2e000 [ 33.465733] FS: 00007f7c50abc580(0000) GS:ffff9f523ad80000(0000) knlGS:0000000000000000 [ 33.474803] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 33.481250] CR2: 00007f7c508c5000 CR3: 0000000103f3e006 CR4: 00000000003706e0 # Segmentation fault # [ 33.130358] lkdtm: Performing direct entry BUG # [ 33.135405] ------------[ cut here ]------------ # [ 33.140600] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 33.146466] invalid opcode: 0000 [#1] SMP PTI # [ 33.151337] CPU: 3 PID: 643 Comm: cat Tainted: G W 5.10.168-cip27 #1 # [ 33.159889] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 33.166697] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 33.171081] Code: 89 ff e8 fe 60 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 30 39 92 02 # [ 33.192059] RSP: 0018:ffffb6cec1[ 33.568127] lkdtm: Performing direct entry WARNING 2efe60 EFLAGS: 00010282 # [ 33.197893] RAX: ffffffff8cae4d20 [ 33.575111] ------------[ cut here ]------------ RBX: 0000000000000001 RCX: 0000000000000000 # [ 33.205859] RD[ 33.586488] WARNING: CPU: 0 PID: 679 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 X: 0000000000000000 RSI: ffff9f523ad9bf70 RDI: ffffffff8d8d1110 [ 33.602121] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 33.213826] RBP: ffffffff8dd0d628 R08: 0000000000000001 R0[ 33.634768] CPU: 0 PID: 679 Comm: cat Tainted: G D W 5.10.168-cip27 #1 9: 0000000000000001 # [ 33.221793] R10: 00000000ffffe000 R11:[ 33.649521] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 3fffffffffffffff R12: 0000000000000004 # [ 33.229759] R13: f[ 33.662546] RIP: 0010:lkdtm_WARNING+0x13/0x20 fffb6cec12eff10 R14: ffffb6cec12eff10 R15: ffff9f51c4e2e000 # [[ 33.673644] 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 30 39 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 11 39 33.237726] FS: 00007f7c50abc580(0000) GS:ffff9f523ad80000(00[ 33.700890] RSP: 0018:ffffb6cec1367e60 EFLAGS: 00010202 00) knlGS:0000000000000000 # [ 33.246761] CS: 0010 DS: 0000 [ 33.712899] RAX: ffffffff8cae4d30 RBX: 0000000000000002 RCX: 0000000000000000 ES: 0000 CR0: 0000000080050033 # [ 33.253174] CR2: 00007f7c50[ 33.727110] RDX: 0000000000000000 RSI: ffff9f523ac1bf70 RDI: ffffffff8d8d1120 8c5000 CR3: 0000000103f3e006 CR4: 00000000003706e0 # [ 33.261[ 33.741272] RBP: ffffffff8dcb1e77 R08: 0000000000000000 R09: 0000000000000000 141] Call Trace: # [ 33.263869] direct_entry.cold+0x2c/0x38 [ 33.755535] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 # [ 33.268246] full_proxy_write+0x53/0x80 # [ 33.272534] [ 33.769638] R13: ffffb6cec1367f10 R14: ffffb6cec1367f10 R15: ffff9f51c3c87000 vfs_write+0xe7/0x3a0 # [ 33.276231] ksys_write+0x68/0xf0 #[ 33.783863] FS: 00007f1d53af6580(0000) GS:ffff9f523ac00000(0000) knlGS:0000000000000000 [ 33.279930] do_syscall_64+0x30/0x40 # [ 33.283919] entr[ 33.799087] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 y_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 33.289575] RIP: 0033[ 33.811735] CR2: 00007f1d538ff000 CR3: 0000000103c42005 CR4: 00000000003706f0 :0x7f7c509d2833 # [ 33.293572] Code: 8b 15 61 26 0e 00 f7 d8 [ 33.825901] Call Trace: 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 0[ 33.834876] direct_entry.cold+0x2c/0x38 0 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 [ 33.845437] full_proxy_write+0x53/0x80 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 33.314570] RSP:[ 33.855942] vfs_write+0xe7/0x3a0 002b:00007ffd3dd419a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000[ 33.865849] ksys_write+0x68/0xf0 01 # [ 33.323025] RAX: ffffffffffffffda RBX: 0000000000000004[ 33.875791] do_syscall_64+0x30/0x40 RCX: 00007f7c509d2833 # [ 33.330984] RDX: 0000000000000004 R[ 33.885973] entry_SYSCALL_64_after_hwframe+0x61/0xc6 SI: 00007f7c508c5000 RDI: 0000000000000001 # [ 33.338951] RBP[ 33.897836] RIP: 0033:0x7f1d53a0c833 : 00007f7c508c5000 R08: 00007f7c508c4010 R09: 0000000000000000 [ 33.908025] 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 # [ 33.346917] R10: fffffffffffffbc5 R11: 0000000000000246 R12[ 33.935235] RSP: 002b:00007ffdd62837d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 : 0000000000000001 # [ 33.354885] R13: 0000000000000001 R14: [ 33.949906] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f1d53a0c833 0000000000020000 R15: 0000000000020000 # [ 33.362857] Modules[ 33.964096] RDX: 0000000000000008 RSI: 00007f1d538ff000 RDI: 0000000000000001 linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core [ 33.978271] RBP: 00007f1d538ff000 R08: 00007f1d538fe010 R09: 0000000000000000 industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sys[ 33.992469] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 fs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sens[ 34.006650] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 orhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ [ 34.020836] irq event stamp: 0 33.389321] ---[ end trace 84f6a6c56e0696a6 ]--- # [ 33.394492[ 34.030457] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 33.398874] Code: 89 ff e8 [ 34.043687] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 fe 60 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 c[ 34.059019] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 c cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 [ 34.074412] softirqs last disabled at (0): [<0000000000000000>] 0x0 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 39 92 02 # [ [ 34.087615] ---[ end trace 84f6a6c56e0696a7 ]--- 33.419859] RSP: 0018:ffffb6cec12efe60 EFLAGS: 00010282 # [ 33.425725] RAX: ffffffff8cae4d20 RBX: 0000000000000001 RCX: 0000000000000000 # [ 33.433727] RDX: 0000000000000000 RSI: ffff9f523ad9bf70 RDI: ffffffff8d8d1110 # [ 33.441730] RBP: ffffffff8dd0d628 R08: 0000000000000001 R09: 0000000000000001 # [ 33.449732] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 33.457732] R13: ffffb6cec12eff10 R14: ffffb6cec12eff10 R15: ffff9f51c4e2e000 # [ 33.465733] FS: 00007f7c50abc580(0000) GS:ffff9f523ad80000(0000) knlGS:0000000000000000 # [ 33.474803] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 33.481250] CR2: 00007f7c508c5000 CR3: 0000000103f3e006 CR4: 00000000003706e0 # BUG: saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh # [ 33.568127] lkdtm: Performing direct entry WARNING # [ 33.575111] ------------[ cut here ]------------ # [ 33.586488] WARNING: CPU: 0 PID: 679 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0[ 34.195067] lkdtm: Performing direct entry WARNING_MESSAGE x20 # [ 33.602121] Modules linked in: fuse ip_tables cros_ec_[ 34.204523] ------------[ cut here ]------------ sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo[ 34.215890] Warning message trigger count: 2 _buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev[ 34.226901] WARNING: CPU: 2 PID: 714 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_[ 34.243286] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify dev cros_usbpd_notify # [ 33.634768] CPU: 0 PID: 679 Comm: ca[ 34.275920] CPU: 2 PID: 714 Comm: cat Tainted: G D W 5.10.168-cip27 #1 [ 34.290683] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 t Tainted: G D W 5.10.168-cip27 #1 # [ 33.649521[ 34.297490] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 [ 34.309337] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 11 39 92 02 48 c7 c7 d8 23 cb 8d 8d 70 01 89 35 01 39 92 02 e8 d2 9a 62 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 ] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 3[ 34.330317] RSP: 0018:ffffb6cec13b7e60 EFLAGS: 00010286 [ 34.342359] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 3.662546] RIP: 0010:lkdtm_WARNING+0x13/0x20 # [ 33.673644] Co[ 34.350330] RDX: ffff9f523ad2c660 RSI: ffff9f523ad1bf70 RDI: ffff9f523ad1bf70 [ 34.364506] RBP: ffffffff8dcb1e7f R08: 0000000000000000 R09: 0000000000000000 de: c0 f4 ff ff ff eb c9 0f 1f 44 00 00 0f 0b 66 0f 1f 84 00 00 [ 34.372478] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 00 00 00 0f 1f 44 00 00 83 05 30 39 92 02 01 75 05 c3 cc cc cc c[ 34.386662] R13: ffffb6cec13b7f10 R14: ffffb6cec13b7f10 R15: ffff9f51c33c4000 c <0f> 0b c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 [ 34.400846] FS: 00007f2977aa4580(0000) GS:ffff9f523ad00000(0000) knlGS:0000000000000000 11 39 # [ 33.700890] RSP: 0018:ffffb6cec1367e60 EFLAGS: 00010[ 34.416099] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 34.428725] CR2: 00007f29778ad000 CR3: 0000000102872004 CR4: 00000000003706e0 202 # [ 33.712899] RAX: ffffffff8cae4d30 RBX: 000000000000000[ 34.436697] Call Trace: 2 RCX: 0000000000000000 # [ 33.727110] RDX: 0000000000000000 [ 34.445654] direct_entry.cold+0x2c/0x38 RSI: ffff9f523ac1bf70 RDI: ffffffff8d8d1120 # [ 33.741272] RB[ 34.456259] full_proxy_write+0x53/0x80 P: ffffffff8dcb1e77 R08: 0000000000000000 R09: 0000000000000000 [ 34.466748] vfs_write+0xe7/0x3a0 # [ 33.755535] R10: 00000000ffffe000 R11: 3fffffffffffffff R1[ 34.476638] ksys_write+0x68/0xf0 [ 34.486570] do_syscall_64+0x30/0x40 2: 0000000000000008 # [ 33.769638] R13: ffffb6cec1367f10 R14:[ 34.490576] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 34.502421] RIP: 0033:0x7f29779ba833 ffffb6cec1367f10 R15: ffff9f51c3c87000 # [ 33.783863] FS: 0[ 34.506414] 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 [ 34.533612] RSP: 002b:00007ffe7c9d9468 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 0007f1d53af6580(0000) GS:ffff9f523ac00000(0000) knlGS:0000000000[ 34.542100] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f29779ba833 [ 34.556276] RDX: 0000000000000010 RSI: 00007f29778ad000 RDI: 0000000000000001 000000 # [ 33.799087] CS: 0010 DS: 0000 ES: 0000 CR0: 000000[ 34.564248] RBP: 00007f29778ad000 R08: 00007f29778ac010 R09: 0000000000000000 [ 34.578426] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 0080050033 # [ 33.811735] CR2: 00007f1d538ff000 CR3: 00000001[ 34.586399] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 03c42005 CR4: 00000000003706f0 # [ 33.825901] Call Trace: # [ 34.600585] irq event stamp: 0 [ 34.610200] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 33.834876] direct_entry.cold+0x2c/0x38 # [ 33.845437] f[ 34.617204] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 34.632543] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 ull_proxy_write+0x53/0x80 # [ 33.855942] vfs_write+0xe7/0x3a[ 34.641704] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 34.654910] ---[ end trace 84f6a6c56e0696a8 ]--- 0 # [ 33.865849] ksys_write+0x68/0xf0 # [ 33.875791] do_syscall_64+0x30/0x40 # [ 33.885973] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 33.897836] RIP: 0033:0x7f1d53a0c833 # [ 33.908025] 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 # [ 33.935235] RSP: 002b:00007ffdd62837d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 33.949906] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f1d53a0c833 # [ 33.964096] RDX: 0000000000000008 RSI: 00007f1d538ff000 RDI: 0000000000000001 # [ 33.978271] RBP: 00007f1d538ff000 R08: 00007f1d538fe010 R09: 0000000000000000 # [ 33.992469] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 34.734866] lkdtm: Performing direct entry EXCEPTION [ 34.746430] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 34.006650] R13: 0000000000000001 R14: 0000000000020000 R15[ 34.754212] #PF: supervisor write access in kernel mode [ 34.766254] #PF: error_code(0x0002) - not-present page [ 34.771988] PGD 0 P4D 0 [ 34.774812] Oops: 0002 [#2] SMP PTI [ 34.778701] CPU: 1 PID: 746 Comm: cat Tainted: G D W 5.10.168-cip27 #1 [ 34.787250] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 34.794055] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 [ 34.799013] Code: 48 c7 c7 d8 23 cb 8d 8d 70 01 89 35 01 39 92 02 e8 d2 9a 62 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 [ 34.819982] RSP: 0018:ffffb6cec1497e60 EFLAGS: 00010282 [ 34.825814] RAX: ffffffff8cae4d80 RBX: 0000000000000004 RCX: 0000000000000000 [ 34.833781] RDX: 0000000000000000 RSI: ffff9f523ac9bf70 RDI: ffffffff8d8d1140 [ 34.841747] RBP: ffffffff8dbe6c47 R08: 0000000000000000 R09: 0000000000000000 [ 34.849714] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 34.857679] R13: ffffb6cec1497f10 R14: ffffb6cec1497f10 R15: ffff9f51c3ef5000 [ 34.865645] FS: 00007f11476c9580(0000) GS:ffff9f523ac80000(0000) knlGS:0000000000000000 [ 34.874681] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 34.881092] CR2: 0000000000000000 CR3: 000000010409c006 CR4: 00000000003706e0 [ 34.889058] Call Trace: [ 34.891785] direct_entry.cold+0x2c/0x38 [ 34.896165] full_proxy_write+0x53/0x80 [ 34.900446] vfs_write+0xe7/0x3a0 [ 34.904143] ksys_write+0x68/0xf0 [ 34.907839] do_syscall_64+0x30/0x40 [ 34.911817] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 34.917455] RIP: 0033:0x7f11475df833 [ 34.921443] 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 [ 34.942420] RSP: 002b:00007ffcf58871a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 34.950872] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f11475df833 [ 34.958838] RDX: 000000000000000a RSI: 00007f11474d2000 RDI: 0000000000000001 [ 34.966802] RBP: 00007f11474d2000 R08: 00007f11474d1010 R09: 0000000000000000 [ 34.974767] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 34.982732] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 34.990702] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify : 0000000000020000 # [ 34.020836] irq event stamp: 0 # [ 3[ 35.017151] CR2: 0000000000000000 [ 35.027059] ---[ end trace 84f6a6c56e0696a9 ]--- [ 35.032202] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 35.036572] Code: 89 ff e8 fe 60 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 30 39 92 02 [ 35.057572] RSP: 0018:ffffb6cec12efe60 EFLAGS: 00010282 [ 35.063404] RAX: ffffffff8cae4d20 RBX: 0000000000000001 RCX: 0000000000000000 [ 35.071369] RDX: 0000000000000000 RSI: ffff9f523ad9bf70 RDI: ffffffff8d8d1110 [ 35.079335] RBP: ffffffff8dd0d628 R08: 0000000000000001 R09: 0000000000000001 [ 35.087302] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 35.095268] R13: ffffb6cec12eff10 R14: ffffb6cec12eff10 R15: ffff9f51c4e2e000 [ 35.103234] FS: 00007f11476c9580(0000) GS:ffff9f523ac80000(0000) knlGS:0000000000000000 [ 35.112267] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 35.118680] CR2: 0000000000000000 CR3: 000000010409c006 CR4: 00000000003706e0 [ 35.126648] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 35.136567] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 746, name: cat [ 35.144925] INFO: lockdep is turned off. [ 35.149299] irq event stamp: 0 [ 35.152702] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 35.159699] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 35.168830] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 35.177960] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 35.184956] CPU: 1 PID: 746 Comm: cat Tainted: G D W 5.10.168-cip27 #1 [ 35.193505] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 35.200307] Call Trace: [ 35.203031] dump_stack+0x77/0x9b [ 35.206729] ___might_sleep.cold+0xa6/0xb6 [ 35.211299] exit_signals+0x1c/0x2e0 [ 35.215286] do_exit+0xc2/0xaf0 [ 35.218788] ? ksys_write+0x68/0xf0 [ 35.222678] make_task_dead+0x2f/0x30 [ 35.226753] rewind_stack_and_make_dead+0x17/0x20 [ 35.232001] RIP: 0033:0x7f11475df833 [ 35.235986] 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 [ 35.256961] RSP: 002b:00007ffcf58871a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 35.265414] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f11475df833 [ 35.273381] RDX: 000000000000000a RSI: 00007f11474d2000 RDI: 0000000000000001 [ 35.281346] RBP: 00007f11474d2000 R08: 00007f11474d1010 R09: 0000000000000000 [ 35.289313] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 35.297279] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 4.030457] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 34.043687] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 34.059019] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 34.074412] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 34.087615] ---[ end trace 84f6a6c56e0696a7 ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ 34.195067] lkdtm: Performing direct entry WARNING_MESSAGE # [ 34.204523] ------------[ cut here ]------------ # [ 34.215890] Warning message trigger count: 2 # [ 34.226901] WARNING: CPU: 2 PID: 714 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 34.243286] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 34.275920] CPU: 2 PID: 714 Comm: cat Tainted: G D W 5.10.168-cip27 #1 # [ 34.290683] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 34.297490] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 34.309337] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 11 39 92 02 48 c7 c7 d8 23 cb 8d 8d 70 01 89 35 01 39 92 02 e8 d2 9a 62 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 # [ 34.330317] RSP: 0018:ffffb6cec13b7e60 EFLAGS: 00010286 # [ 34.342359] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 # [ 34.350330] RDX: ffff9f523ad2c660 RSI: ffff9f523ad1bf70 RDI: ffff9f523ad1bf70 # [ 34.364506] RBP: ffffffff8dcb1e7f R08: 0000000000000000 R09: 0000000000000000 # [ 34.372478] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 # [ 34.386662] R13: ffffb6cec13b7f10 R14: ffffb6cec13b7f10 R15: ffff9f51c33c4000 # [ 34.400846] FS: 00007f2977aa4580(0000) GS:ffff9f523ad00000(0000) knlGS:0000000000000000 # [ 34.416099] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 34.428725] CR2: 00007f29778ad000 CR3: 0000000102872004 CR4: 00000000003706e0 # [ 34.436697] Call Trace: # [ 34.445654] direct_entry.cold+0x2c/0x38 # [ 34.456259] full_proxy_write+0x53/0x80 # [ 34.466748] vfs_write+0xe7/0x3a0 # [ 34.476638] ksys_write+0x68/0xf0 # [ 34.486570] do_syscall_64+0x30/0x40 # [ 34.490576] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 34.502421] RIP: 0033:0x7f29779ba833 # [ 34.506414] 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 # [ 34.533612] RSP: 002b:00007ffe7c9d9468 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 34.542100] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f29779ba833 # [ 34.556276] RDX: 0000000000000010 RSI: 00007f29778ad000 RDI: 0000000000000001 # [ 34.564248] RBP: 00007f29778ad000 R08: 00007f29778ac010 R09: 0000000000000000 # [ 34.5784[ 35.605148] lkdtm: Performing direct entry CORRUPT_LIST_ADD [ 35.616102] lkdtm: attempting good list addition [ 35.621287] lkdtm: attempting corrupted list addition [ 35.626952] lkdtm: list_add() corruption not detected! 26] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 34.586399] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 34.600585] irq event stamp: 0 # [ 34.610200] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 34.617204] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 34.632543] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 34.641704] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 34.654910] ---[ end trace 84f6a6c56e0696a8 ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCEPTION.sh # Killed # [ 34.734866] lkdtm: Performing direct entry [ 35.705450] lkdtm: Performing direct entry CORRUPT_LIST_DEL EXCEPTION # [ 34.746430] BUG: kernel NULL pointer dereference[ 35.713577] lkdtm: attempting good list removal , address: 0000000000000000 # [ 34.754212] #PF: supervisor wr[ 35.724850] lkdtm: attempting corrupted list removal ite access in kernel mode # [ 34.766254] #PF: error_code(0x00[ 35.736624] lkdtm: list_del() corruption not detected! 02) - not-present page # [ 34.771988] PGD 0 P4D 0 # [ 34.774812] Oops: 0002 [#2] SMP PTI # [ 34.778701] CPU: 1 PID: 746 Comm: cat Tainted: G D W 5.10.168-cip27 #1 # [ 34.787250] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 34.794055] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 # [ 34.799013] Code: 48 c7 c7 d8 23 cb 8d 8d 70 01 89 35 01 39 92 02 e8 d2 9a 62 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 # [ 34.819982] RSP: 0018:ffffb6cec1497e60 EFLAGS: 00010282 # [ 34.825814] RAX: ffffffff8cae4d80 RBX: 0000000000000004 RCX: 0000000000000000 # [ 34.833781] RDX: 000000[ 35.816305] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING [ 35.823948] lkdtm: attempting bad read from page below current stack [ 35.831068] BUG: stack guard page was hit at 000000007bccba9f (stack is 00000000d9eae9c2..000000007d01ab3a) [ 35.841958] kernel stack overflow (page fault): 0000 [#3] SMP PTI 0000000000 RSI: ffff9f523ac9bf70 RDI: ffffffff8d8d1140 # [ 34[ 35.848764] CPU: 3 PID: 971 Comm: cat Tainted: G D W 5.10.168-cip27 #1 [ 35.863524] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 35.870329] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a [ 35.876840] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 78 27 cb 8d 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 04 9d fd ff 48 c7 c7 b8 27 cb 8d <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 ea 9c fd ff 0f 1f 44 [ 35.897816] RSP: 0018:ffffb6cec17c7e50 EFLAGS: 00010246 [ 35.903641] RAX: 0000000000000038 RBX: ffffb6cec17c4000 RCX: 0000000000000000 [ 35.911621] RDX: 0000000000000000 RSI: ffff9f523ad9bf70 RDI: ffffffff8dcb27b8 [ 35.919625] RBP: ffffffff8dcb1ee2 R08: 0000000000000000 R09: 0000000000000000 [ 35.927592] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 [ 35.935569] R13: ffffb6cec17c7f10 R14: ffffb6cec17c7f10 R15: ffff9f51c3e53000 [ 35.943536] FS: 00007faf55237580(0000) GS:ffff9f523ad80000(0000) knlGS:0000000000000000 [ 35.952571] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 35.958984] CR2: ffffb6cec17c3fff CR3: 0000000105c02004 CR4: 00000000003706e0 [ 35.966949] Call Trace: [ 35.969676] ? lkdtm_CORRUPT_LIST_DEL+0xe0/0xe0 [ 35.974730] direct_entry.cold+0x2c/0x38 [ 35.979107] full_proxy_write+0x53/0x80 [ 35.983387] vfs_write+0xe7/0x3a0 [ 35.987082] ksys_write+0x68/0xf0 [ 35.990779] do_syscall_64+0x30/0x40 [ 35.994767] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 36.000395] RIP: 0033:0x7faf5514d833 [ 36.004381] 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 [ 36.025349] RSP: 002b:00007fff87a17b08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 36.033800] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007faf5514d833 [ 36.041766] RDX: 0000000000000019 RSI: 00007faf55040000 RDI: 0000000000000001 [ 36.049731] RBP: 00007faf55040000 R08: 00007faf5503f010 R09: 0000000000000000 [ 36.057697] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 36.065664] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 36.073635] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify .841747] RBP: ffffffff8dbe6c47 R08: 0000000000000000 R09: 000000[ 36.100087] ---[ end trace 84f6a6c56e0696aa ]--- [ 36.111448] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 36.115823] Code: 89 ff e8 fe 60 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 30 39 92 02 [ 36.136799] RSP: 0018:ffffb6cec12efe60 EFLAGS: 00010282 [ 36.142629] RAX: ffffffff8cae4d20 RBX: 0000000000000001 RCX: 0000000000000000 [ 36.150595] RDX: 0000000000000000 RSI: ffff9f523ad9bf70 RDI: ffffffff8d8d1110 [ 36.158574] RBP: ffffffff8dd0d628 R08: 0000000000000001 R09: 0000000000000001 [ 36.166542] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 36.174533] R13: ffffb6cec12eff10 R14: ffffb6cec12eff10 R15: ffff9f51c4e2e000 [ 36.182500] FS: 00007faf55237580(0000) GS:ffff9f523ad80000(0000) knlGS:0000000000000000 [ 36.191536] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 36.197949] CR2: ffffb6cec17c3fff CR3: 0000000105c02004 CR4: 00000000003706e0 0000000000 # [ 34.849714] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 34.857679] R13: ffffb6cec1497f10 R14: ffffb6cec1497f10 R15: ffff9f51c3ef5000 # [ 34.865645] FS: 00007f11476c9580(0000) GS:ffff9f523ac80000(0000) knlGS:0000000000000000 # [ 34.874681] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 34.881092] CR2: 0000000000000000 CR3: 000000010409c006 CR4: 00000000003706e0 # [ 34.889058] Call Trace: # [ 34.891785] direct_entry.cold+0x2c/0x38 # [ 34.896165] full_proxy_write+0x53/0x80 # [ 34.900446] vfs_write+0xe7/0x3a0 # [ 34.904143] ksys_write+0x68/0xf0 # [ 34.907839] do_syscall_64+0x30/0x40 # [ 34.911817] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 34.917455] RIP: 0033:0x7f11475df833 # [ 34.921443] 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 c[ 36.287244] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING [ 36.300087] lkdtm: attempting bad read from page above current stack [ 36.307220] BUG: stack guard page was hit at 000000003360c0af (stack is 000000008a5e6029..00000000eb763fd1) [ 36.318117] kernel stack overflow (page fault): 0000 [#4] SMP PTI 0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f [ 36.324921] CPU: 1 PID: 1004 Comm: cat Tainted: G D W 5.10.168-cip27 #1 [ 36.339780] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 36.346578] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d [ 36.353186] Code: 9c fd ff 0f 1f 44 00 00 53 48 c7 c7 f0 27 cb 8d 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 ca 9c fd ff 48 c7 c7 30 28 cb 8d <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 ad 9c fd ff [ 36.374164] RSP: 0018:ffffb6cec1837e50 EFLAGS: 00010246 [ 36.379996] RAX: 0000000000000038 RBX: ffffb6cec1834000 RCX: 0000000000000000 [ 36.387964] RDX: 0000000000000000 RSI: ffff9f523ac9bf70 RDI: ffffffff8dcb2830 [ 36.395932] RBP: ffffffff8dcb1efb R08: 0000000000000000 R09: 0000000000000000 [ 36.403899] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a [ 36.411865] R13: ffffb6cec1837f10 R14: ffffb6cec1837f10 R15: ffff9f51c3b8e000 [ 36.419832] FS: 00007f04604d2580(0000) GS:ffff9f523ac80000(0000) knlGS:0000000000000000 [ 36.428867] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 36.435281] CR2: ffffb6cec1838000 CR3: 0000000105ec8005 CR4: 00000000003706e0 [ 36.443247] Call Trace: [ 36.445972] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a [ 36.451797] direct_entry.cold+0x2c/0x38 [ 36.456175] full_proxy_write+0x53/0x80 [ 36.460456] vfs_write+0xe7/0x3a0 [ 36.464144] ksys_write+0x68/0xf0 [ 36.467841] do_syscall_64+0x30/0x40 [ 36.471829] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 36.477457] RIP: 0033:0x7f04603e8833 [ 36.481444] 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 [ 36.502418] RSP: 002b:00007fffcdf50bf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 36.510871] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f04603e8833 [ 36.518839] RDX: 000000000000001a RSI: 00007f04602db000 RDI: 0000000000000001 [ 36.526806] RBP: 00007f04602db000 R08: 00007f04602da010 R09: 0000000000000000 [ 36.534771] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 36.542736] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 36.550705] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 40 00 48 83 ec 28 48 89 54 24 18 # [ 34.942420] RSP: 002b:000[ 36.577158] ---[ end trace 84f6a6c56e0696ab ]--- [ 36.588520] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 36.592895] Code: 89 ff e8 fe 60 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 30 39 92 02 [ 36.613871] RSP: 0018:ffffb6cec12efe60 EFLAGS: 00010282 [ 36.619702] RAX: ffffffff8cae4d20 RBX: 0000000000000001 RCX: 0000000000000000 [ 36.627668] RDX: 0000000000000000 RSI: ffff9f523ad9bf70 RDI: ffffffff8d8d1110 [ 36.635635] RBP: ffffffff8dd0d628 R08: 0000000000000001 R09: 0000000000000001 [ 36.643616] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 36.651579] R13: ffffb6cec12eff10 R14: ffffb6cec12eff10 R15: ffff9f51c4e2e000 [ 36.659562] FS: 00007f04604d2580(0000) GS:ffff9f523ac80000(0000) knlGS:0000000000000000 07ffcf58871a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ [ 36.668606] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 36.681231] CR2: ffffb6cec1838000 CR3: 0000000105ec8005 CR4: 00000000003706e0 [ 36.689198] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 36.699107] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1004, name: cat [ 36.707570] INFO: lockdep is turned off. [ 36.711935] irq event stamp: 0 [ 36.715340] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 36.722329] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 36.731462] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 36.740595] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 36.747583] CPU: 1 PID: 1004 Comm: cat Tainted: G D W 5.10.168-cip27 #1 [ 36.756230] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 36.763030] Call Trace: [ 36.765756] dump_stack+0x77/0x9b [ 36.769454] ___might_sleep.cold+0xa6/0xb6 [ 36.774024] exit_signals+0x1c/0x2e0 [ 36.778011] do_exit+0xc2/0xaf0 [ 36.781513] ? ksys_write+0x68/0xf0 [ 36.785403] make_task_dead+0x2f/0x30 [ 36.789488] rewind_stack_and_make_dead+0x17/0x20 [ 36.794738] RIP: 0033:0x7f04603e8833 [ 36.798724] 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 [ 36.819701] RSP: 002b:00007fffcdf50bf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 36.828145] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f04603e8833 [ 36.836112] RDX: 000000000000001a RSI: 00007f04602db000 RDI: 0000000000000001 [ 36.844080] RBP: 00007f04602db000 R08: 00007f04602da010 R09: 0000000000000000 [ 36.852046] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 36.860013] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 34.950872] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f11475df833 # [ 34.958838] RDX: 000000000000000a RSI: 00007f11474d2000 RDI: 0000000000000001 # [ 34.966802] RBP: 00007f11474d2000 R08: 00007f11474d1010 R09: 0000000000000000 # [ 34.974767] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 34.982732] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 34.990702] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 35.017151] CR2: 0000000000000000 # [ 35.027059] ---[ end trace 84f6a6c56e0696a9 ]--- # [ 35.032202] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 35.036572] Code: 89 ff e8 fe 60 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 30 39 92 02 # [ 35.057572] RSP: 0018:ffffb6cec12efe60 EFLAGS: 00010282 # [ 35.063404] RAX: ffffffff8cae4d20 RBX: 0000000000000001 RCX: 0000000000000000 # [ 35.071369] RDX: 0000000000000000 RSI: ffff9f523ad9bf70 RDI: ffffffff8d8d1110 # [ 35.079335] RBP: ffffffff8dd0d628 R08: 0000000000000001 R09: 0000000000000001 # [ 35.087302] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 35.095268] R13: ffffb6cec12eff10 R14: ffffb6cec12eff10 R15: ffff9f51c4e2e000 # [ [ 37.012260] lkdtm: Performing direct entry UNSET_SMEP 35.103234] FS: 00007f11476c9580(0000) GS:ffff9f523ac80000(0000[ 37.022911] lkdtm: trying to clear SMEP normally ) knlGS:0000000000000000 # [ 35.112267] CS: 0010 DS: 0000 ES[ 37.034276] ------------[ cut here ]------------ : 0000 CR0: 0000000080050033 # [ 35.118680] CR2: 000000000000[ 37.045659] pinned CR4 bits changed: 0x100000!? 0000 CR3: 000000010409c006 CR4: 00000000003706e0 # [ 35.12664[ 37.056936] WARNING: CPU: 0 PID: 1040 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60 8] BUG: sleeping function called from invalid context at include[ 37.073364] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify /linux/percpu-rwsem.h:49 # [ 35.136567] in_atomic(): 0, irqs_[ 37.105994] CPU: 0 PID: 1040 Comm: cat Tainted: G D W 5.10.168-cip27 #1 disabled(): 1, non_block: 0, pid: 746, name: cat # [ 35.14492[ 37.120881] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 5] INFO: lockdep is turned off. # [ 35.149299] irq event stam[ 37.133911] RIP: 0010:native_write_cr4+0x45/0x60 p: 0 # [ 35.152702] hardirqs last enabled at (0): [<00000000[ 37.145302] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d 99 90 e3 01 00 75 f2 48 c7 c7 60 0c bf 8d c6 05 89 90 e3 01 01 e8 7d 99 e4 00 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 00000000>] 0x0 # [ 35.159699] hardirqs last disabled at (0): [ 37.172506] RSP: 0018:ffffb6cec18cfe48 EFLAGS: 00010286 [] copy_process+0x664/0x1cb0 # [ 35.168830][ 37.184556] RAX: 0000000000000000 RBX: 00000000002706f0 RCX: 0000000000000000 softirqs last enabled at (0): [] copy_proces[ 37.198745] RDX: ffff9f523ac2c660 RSI: ffff9f523ac1bf70 RDI: ffff9f523ac1bf70 s+0x664/0x1cb0 # [ 35.177960] softirqs last disabled at (0): [ 37.212953] RBP: ffffffff8dcb1f15 R08: 0000000000000000 R09: 0000000000000000 [<0000000000000000>] 0x0 # [ 35.184956] CPU: 1 PID: 746 Comm:[ 37.227146] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b cat Tainted: G D W 5.10.168-cip27 #1 # [ 35.193[ 37.241328] R13: ffffb6cec18cff10 R14: ffffb6cec18cff10 R15: ffff9f51c5452000 505] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ [ 37.255543] FS: 00007f1f6ae29580(0000) GS:ffff9f523ac00000(0000) knlGS:0000000000000000 35.200307] Call Trace: # [ 35.203031] dump_stack+0x77/0x9b[ 37.270801] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 35.206729] ___might_sleep.cold+0xa6/0xb6 # [ 35.2112[ 37.283432] CR2: 00007f1f6ac32000 CR3: 00000001031a4004 CR4: 00000000003706f0 99] exit_signals+0x1c/0x2e0 # [ 35.215286] do_exit+0xc2/0xa[ 37.297618] Call Trace: f0 # [ 35.218788] ? ksys_write+0x68/0xf0 # [ 35.222678] [ 37.306570] lkdtm_UNSET_SMEP.cold+0x1d/0x103 make_task_dead+0x2f/0x30 # [ 35.226753] rewind_stack_and_mak[ 37.317698] direct_entry.cold+0x2c/0x38 e_dead+0x17/0x20 # [ 35.232001] RIP: 0033:0x7f11475df833 # [[ 37.328382] full_proxy_write+0x53/0x80 35.235986] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff[ 37.338835] vfs_write+0xe7/0x3a0 ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 [ 37.348824] ksys_write+0x68/0xf0 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83[ 37.358749] do_syscall_64+0x30/0x40 ec 28 48 89 54 24 18 # [ 35.256961] RSP: 002b:00007ffcf58871[ 37.368969] entry_SYSCALL_64_after_hwframe+0x61/0xc6 a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 35.265414][ 37.380822] RIP: 0033:0x7f1f6ad3f833 RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f11475df8[ 37.391057] 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 # [ 35.273381] RDX: 000000000000000a RSI: 00007f11474d2000[ 37.418244] RSP: 002b:00007ffe87a33c88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RDI: 0000000000000001 # [ 35.281346] RBP: 00007f11474d2000 R[ 37.432928] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f1f6ad3f833 08: 00007f11474d1010 R09: 0000000000000000 # [ 35.289313] R10[ 37.447108] RDX: 000000000000000b RSI: 00007f1f6ac32000 RDI: 0000000000000001 : fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 37.461299] RBP: 00007f1f6ac32000 R08: 00007f1f6ac31010 R09: 0000000000000000 # [ 35.297279] R13: 0000000000000001 R14: 0000000000020000 R15[ 37.475469] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 : 0000000000020000 # EXCEPTION: saw 'call trace:': ok ok 5 sel[ 37.489658] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ftests: lkdtm: EXCEPTION.sh # selftests: lkdtm: LOOP.sh # Skip[ 37.503835] irq event stamp: 0 ping LOOP: Hangs the system ok 6 selftests: lkdtm: LOOP.sh # SK[ 37.513481] hardirqs last enabled at (0): [<0000000000000000>] 0x0 IP # selftests: lkdtm: EXHAUST_STACK.sh # Skipping EXHAUST_STA[ 37.526678] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 CK: Corrupts memory on failure ok 7 selftests: lkdtm: EXHAUST_S[ 37.542053] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 TACK.sh # SKIP # selftests: lkdtm: CORRUPT_STACK.sh # Skipping[ 37.557386] softirqs last disabled at (0): [<0000000000000000>] 0x0 CORRUPT_STACK: Crashes entire system on success ok 8 selftests[ 37.570605] ---[ end trace 84f6a6c56e0696ac ]--- : lkdtm: CORRUPT_STACK.sh # SKIP # selftests: lkdtm: CORRUPT_ST[ 37.581966] lkdtm: ok: SMEP did not get cleared ACK_STRONG.sh # Skipping CORRUPT_STACK_STRONG: Crashes entire s[ 37.593263] lkdtm: trying to clear SMEP with call gadget ystem on success ok 9 selftests: lkdtm: CORRUPT_STACK_STRONG.sh[ 37.605390] lkdtm: ok: SMEP removal was reverted # SKIP # selftests: lkdtm: CORRUPT_LIST_ADD.sh # [ 35.605148] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 35.616102] lkdtm: attempting good list addition # [ 35.621287] lkdtm: attempting corrupted list addition # [ 35.626952] 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 # [ 35.705450] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 35.713577] lkdtm: attempting good list removal # [ 35.724850] lkdtm: attempting corrupted list removal # [ 35.736624] 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 # [ 35.816305] l[ 37.700746] lkdtm: Performing direct entry DOUBLE_FAULT kdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 35[ 37.709597] lkdtm: XFAIL: this test is ia32-only .823948] lkdtm: attempting bad read from page below current stack # [ 35.831068] BUG: stack guard page was hit at 000000007bccba9f (stack is 00000000d9eae9c2..000000007d01ab3a) # [ 35.841958] kernel stack overflow (page fault): 0000 [#3] SMP PTI # [ 35.848764] CPU: 3 PID: 971 Comm: cat Tainted: G D W 5.10.168-cip27 #1 # [ 35.863524] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 35.870329] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a # [ 35.876840] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 78 27 cb 8d 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 04 9d fd ff 48 c7 c7 b8 27 cb 8d <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 ea 9c fd ff 0f 1f 44 # [ 35.897816] RSP: 0018:ffffb6cec17c7e50 EFLAGS: 00010246 # [ 35.903641] RAX: 0000000000000038 RBX: ffffb6cec17c4000 RCX: 00[ 37.798801] lkdtm: Performing direct entry CORRUPT_PAC [ 37.807523] lkdtm: XFAIL: this test is arm64-only 00000000000000 # [ 35.911621] RDX: 0000000000000000 RSI: ffff9f523ad9bf70 RDI: ffffffff8dcb27b8 # [ 35.919625] RBP: ffffffff8dcb1ee2 R08: 0000000000000000 R09: 0000000000000000 # [ 35.927592] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 # [ 35.935569] R13: ffffb6cec17c7f10 R14: ffffb6cec17c7f10 R15: ffff9f51c3e53000 # [ 35.943536] FS: 00007faf55237580(0000) GS:ffff9f523ad80000(0000) knlGS:0000000000000000 # [ 35.952571] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 35.958984] CR2: ffffb6cec17c3fff CR3: 0000000105c02004 CR4: 00000000003706e0 # [ 35.966949] Call Trace: # [ 35.969676] ? lkdtm_CORRUPT_LIST_DEL+0xe0/0xe0 # [ 35.974730] direct_entry.cold+0x2c/0x38 # [ 35.979107] full_proxy_write+0x53/0x80 # [ 35.983387] vfs_write+0xe7/0x3a0 # [ 35.987082] ksys_write+0x68/0xf0 # [ 35.990779] do_syscall_64+0x30/0x40 # [ 35.994767] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 36.000395] RIP: 0033:0x7faf5514d833 # [ 36.004381] Code:[ 37.907339] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f [ 37.919528] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 36.025349] RSP: 002b:00007fff87a17b08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 36.033800] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007faf5514d833 # [ 36.041766] RDX: 0000000000000019 RSI: 00007faf55040000 RDI: 0000000000000001 # [ 36.049731] RBP: 00007faf55040000 R08: 00007faf5503f010 R09: 0000000000000000 # [ 36.057697] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 36.065664] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 36.073635] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 36.100087] ---[ end trace 84f6a6c56e0696aa ]--- # [ 36.111448] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 36.115823] Code: 89 ff e8 fe 60 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 30 39 92 02 # [ 36.136799] RSP: 0018:ffffb6cec12efe60 EFLAGS: 00010282 # [ 36.142629] RAX: ffffffff8cae4d20 RBX: 0000000000000001 RCX: 0000000000000000 # [ 36.150595] RDX: 0000000000000000 RSI: ffff9f523ad9bf70 RDI: ffffffff8d8d1110 # [ 36.158574] RBP: ffffffff8dd0d628 R08: 0000000000000001 R09: 0000000000000001 # [ 36.166542] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 36.174533] R13: ffffb6cec[ 38.090250] lkdtm: Performing direct entry READ_AFTER_FREE [ 38.101006] lkdtm: Value in memory before free: 12345678 [ 38.106971] lkdtm: Attempting bad read from freed memory [ 38.112938] lkdtm: Memory was not poisoned 12eff10 R14: ffffb6cec12eff10 R15: ffff9f51c4e2e000 # [ 36.182500] FS: 00007faf55237580(0000) GS:ffff9f523ad80000(0000) knlGS:0000000000000000 # [ 36.191536] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 36.197949] CR2: ffffb6cec17c3fff CR3: 0000000105c02004 CR4: 00000000003706e0 # 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 # [ 36.287244] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 36.300087] lkdtm: attempting bad read from page above current stack # [ 36.307220] BUG: stack guard page was hit at 000000003360c0af (stack is 000000008a5e6029..00000000eb763fd1) # [ 36.318117] kernel stack overflow (page fault): 0000 [#4] SMP PTI # [ 36.324921] CPU: 1 PID: 1004 Comm: cat Tainted: G D W 5.10.168-cip27 #1 # [ 36.339780] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 36.346578] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d # [ 36.353186] Code: 9c fd ff 0f 1f 44 00 00 53 48 c7 c7 f0 27 cb 8d 50 65 48 8b 04 25 40 b0 01 00 48 8b [ 38.223726] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE [ 38.236172] lkdtm: Value in memory before free: 12345678 [ 38.242138] lkdtm: Attempting to read from freed memory [ 38.248005] lkdtm: Buddy page was not poisoned 58 18 e8 ca 9c fd ff 48 c7 c7 30 28 cb 8d <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 ad 9c fd ff # [ 36.374164] RSP: 0018:ffffb6cec1837e50 EFLAGS: 00010246 # [ 36.379996] RAX: 0000000000000038 RBX: ffffb6cec1834000 RCX: 0000000000000000 # [ 36.387964] RDX: 0000000000000000 RSI: ffff9f523ac9bf70 RDI: ffffffff8dcb2830 # [ 36.395932] RBP: ffffffff8dcb1efb R08: 0000000000000000 R09: 0000000000000000 # [ 36.403899] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a # [ 36.411865] R13: ffffb6cec1837f10 R14: ffffb6cec1837f10 R15: ffff9f51c3b8e000 # [ 36.419832] FS: 00007f04604d2580(0000) GS:ffff9f523ac80000(0000) knlGS:0000000000000000 # [ 36.428867] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 36.435281] CR2: ffffb6cec1838000 CR3: 0000000105ec8005 CR4: 0000000000[ 38.328150] lkdtm: Performing direct entry SLAB_FREE_DOUBLE [ 38.340054] lkdtm: Attempting double slab free ... 3706e0 # [ 36.443247] Call Trace: # [ 36.445972] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a # [ 36.451797] direct_entry.cold+0x2c/0x38 # [ 36.456175] full_proxy_write+0x53/0x80 # [ 36.460456] vfs_write+0xe7/0x3a0 # [ 36.464144] ksys_write+0x68/0xf0 # [ 36.467841] do_syscall_64+0x30/0x40 # [ 36.471829] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 36.477457] RIP: 0033:0x7f04603e8833 # [ 36.481444] 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 # [ 36.502418] RSP: 002b:00007fffcdf50bf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 36.510871] RAX: ffffffffffffffda RBX[ 38.418275] lkdtm: Performing direct entry SLAB_FREE_CROSS : 000000000000001a RCX: 00007f04603e8833 # [ 36.518839] RDX: [ 38.426207] lkdtm: Attempting cross-cache slab free ... 000000000000001a RSI: 00007f04602db000 RDI: 0000000000000001 # [ 36.526806] RBP: 00007f04602db000 R08: 00007f04602da010 R09: 0000000000000000 # [ 36.534771] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 36.542736] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 36.550705] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 36.577158] ---[ end trace 84f6a6c56e0696ab ]--- # [ 36.588520] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 36.592895] Code: 89 ff e8 fe 60 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 30 39 92 02 # [ 36.613871] RSP: 0018:ffffb6cec12efe60 EFLAGS: 00010282 # [ 36.619702] RAX: ffffffff8cae4d20 RBX: 0000000000000001 RCX: 0000000000000000 # [ 36.627668] RDX: 000000000000[ 38.542538] lkdtm: Performing direct entry SLAB_FREE_PAGE 0000 RSI: ffff9f523ad9bf70 RDI: ffffffff8d8d1110 # [ 36.63563[ 38.550000] lkdtm: Attempting non-Slab slab free ... 5] RBP: ffffffff8dd0d628 R08: 0000000000000001 R09: 0000000000000001 # [ 36.643616] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 36.651579] R13: ffffb6cec12eff10 R14: ffffb6cec12eff10 R15: ffff9f51c4e2e000 # [ 36.659562] FS: 00007f04604d2580(0000) GS:ffff9f523ac80000(0000) knlGS:0000000000000000 # [ 36.668606] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 36.681231] CR2: ffffb6cec1838000 CR3: 0000000105ec8005 CR4: 00000000003706e0 # [ 36.689198] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 36.699107] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1004, name: cat # [ 36.707570] INFO: lockdep is turned off. # [ 36.711935] irq event stamp: 0 # [ 36.715340] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 36.722329] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 36.731462] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 36.740595] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 36.747583] CPU: 1 PID: 1004 Comm: cat Tainted: G D W 5.10.168-cip27 #1 # [ 36.756230] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 36.763030] Call Trace: # [ 36.765756] dump_stack+0x77/0x9b # [ 36.769454] ___might_sleep.cold+0xa6/0xb6 # [ 36.774024] exit_signals+0x1c/0x2e0 # [ 36.778011] do_exit+0xc2/0xaf0 # [ 36.781513] ? ksys_write+0x68/0xf0 # [ 36.785403] make_task_dead+0x2f/0x30 # [ 36.789488] rewind_stack_and_make_dead+0x17/0x20 # [ 36.794738] RIP: 0033:0x7f04603e8833 # [ 36.798724] 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 # [ 36.819701] RSP: 002b:00007fffcdf50bf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 36.828145] RAX: fffff[ 38.753620] lkdtm: Performing direct entry EXEC_DATA [ 38.759964] lkdtm: attempting ok execution at ffffffff8cae50f0 [ 38.766490] lkdtm: attempting bad execution at ffffffff8f4086a0 [ 38.773113] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 38.781476] BUG: unable to handle page fault for address: ffffffff8f4086a0 [ 38.789153] #PF: supervisor instruction fetch in kernel mode [ 38.795469] #PF: error_code(0x0011) - permissions violation [ 38.801689] PGD 15c029067 P4D 15c029067 PUD 15c02a063 PMD 800000015d6000e3 [ 38.809464] Oops: 0011 [#5] SMP PTI [ 38.813355] CPU: 3 PID: 1547 Comm: cat Tainted: G D W 5.10.168-cip27 #1 [ 38.822002] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 38.828806] RIP: 0010:data_area+0x0/0x40 [ 38.833181] Code: ff ff 00 80 65 c4 51 9f ff ff 00 af 84 c0 51 9f 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 [ 38.854150] RSP: 0018:ffffb6cec207fe48 EFLAGS: 00010246 [ 38.859982] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 38.867948] RDX: 0000000000000000 RSI: ffff9f523ad9bf70 RDI: ffff9f523ad9bf70 [ 38.875915] RBP: ffffffff8f4086a0 R08: 0000000000000000 R09: 0000000000000000 [ 38.883881] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 38.891846] R13: ffffb6cec207ff10 R14: ffffb6cec207ff10 R15: ffff9f51c277a000 [ 38.899814] FS: 00007ff3e32bb580(0000) GS:ffff9f523ad80000(0000) knlGS:0000000000000000 [ 38.908850] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.915262] CR2: ffffffff8f4086a0 CR3: 0000000103b2e005 CR4: 00000000003706e0 [ 38.923229] Call Trace: [ 38.925958] ? execute_location+0x45/0x56 [ 38.930430] ? direct_entry.cold+0x2c/0x38 [ 38.935001] ? full_proxy_write+0x53/0x80 [ 38.939474] ? vfs_write+0xe7/0x3a0 [ 38.943364] ? ksys_write+0x68/0xf0 [ 38.947256] ? do_syscall_64+0x30/0x40 [ 38.951439] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 38.957274] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 38.983732] CR2: ffffffff8f4086a0 [ 38.987429] ---[ end trace 84f6a6c56e0696ad ]--- [ 38.992575] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 38.996949] Code: 89 ff e8 fe 60 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 30 39 92 02 [ 39.017942] RSP: 0018:ffffb6cec12efe60 EFLAGS: 00010282 [ 39.023776] RAX: ffffffff8cae4d20 RBX: 0000000000000001 RCX: 0000000000000000 [ 39.031761] RDX: 0000000000000000 RSI: ffff9f523ad9bf70 RDI: ffffffff8d8d1110 [ 39.039730] RBP: ffffffff8dd0d628 R08: 0000000000000001 R09: 0000000000000001 [ 39.047696] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 39.055663] R13: ffffb6cec12eff10 R14: ffffb6cec12eff10 R15: ffff9f51c4e2e000 [ 39.063629] FS: 00007ff3e32bb580(0000) GS:ffff9f523ad80000(0000) knlGS:0000000000000000 [ 39.072664] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.079078] CR2: ffffffff8f4086a0 CR3: 0000000103b2e005 CR4: 00000000003706e0 [ 39.087045] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 39.096956] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1547, name: cat [ 39.105400] INFO: lockdep is turned off. [ 39.109775] irq event stamp: 0 [ 39.113180] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 39.120177] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 39.129309] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 39.138441] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 39.145438] CPU: 3 PID: 1547 Comm: cat Tainted: G D W 5.10.168-cip27 #1 [ 39.154085] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 39.160887] Call Trace: [ 39.163631] dump_stack+0x77/0x9b [ 39.167330] ___might_sleep.cold+0xa6/0xb6 [ 39.171901] exit_signals+0x1c/0x2e0 [ 39.175879] do_exit+0xc2/0xaf0 [ 39.179381] ? ksys_write+0x68/0xf0 [ 39.183271] make_task_dead+0x2f/0x30 [ 39.187357] rewind_stack_and_make_dead+0x17/0x20 [ 39.192619] RIP: 0033:0x7ff3e31d1833 [ 39.196619] 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 [ 39.217628] RSP: 002b:00007fff30acf0a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 39.226081] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007ff3e31d1833 [ 39.234047] RDX: 000000000000000a RSI: 00007ff3e30c4000 RDI: 0000000000000001 [ 39.242014] RBP: 00007ff3e30c4000 R08: 00007ff3e30c3010 R09: 0000000000000000 [ 39.249981] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 39.257947] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 fffffffffda RBX: 000000000000001a RCX: 00007f04603e8833 # [ 36.836112] RDX: 000000000000001a RSI: 00007f04602db000 RDI: 0000000000000001 # [ 36.844080] RBP: 00007f04602db000 R08: 00007f04602da010 R09: 0000000000000000 # [ 36.852046] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 36.860013] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # STACK_GUARD_PAGE_TRAILING: saw 'call trace:': ok ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # selftests: lkdtm: UNSET_SMEP.sh # [ 37.012260] lkdtm: Performing direct entry UNSET_SMEP # [ 37.022911] lkdtm: trying to clear SMEP normally # [ 37.034276] ------------[ cut here ]------------ # [ 37.045659] pinned CR4 bits changed: 0x100000!? # [ 37.056936] WARNING: CPU: 0 PID: 1040 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60 # [ 37.073364] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 37.1059[ 39.374421] lkdtm: Performing direct entry EXEC_STACK 94] CPU: 0 PID: 1040 Comm: cat Tainted: G D W 5.10.[ 39.383499] lkdtm: attempting ok execution at ffffffff8cae50f0 168-cip27 #1 # [ 37.120881] Hardware name: Google Rammus/Ramm[ 39.396233] lkdtm: attempting bad execution at ffffb6cec20ffe18 us, BIOS 09/04/2020 # [ 37.133911] RIP: 0010:native_write_cr[ 39.409053] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 39.423636] BUG: unable to handle page fault for address: ffffb6cec20ffe18 [ 39.431313] #PF: supervisor instruction fetch in kernel mode [ 39.437631] #PF: error_code(0x0011) - permissions violation 4+[0x45/0x60 # [ 37.145302] Code: 39 c2 75 2d 48 85 f6 75 05 c 39.443844] PGD 100000067 P4D 100000067 PUD 100210067 PMD 103d62067 PTE 80000001031c9063 [ 39.459122] Oops: 0011 [#6] SMP PTI [ 39.463012] CPU: 2 PID: 1583 Comm: cat Tainted: G D W 5.10.168-cip27 #1 [ 39.471660] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 39.478465] RIP: 0010:0xffffb6cec20ffe18 [ 39.482841] Code: 00 00 18 fe 0f c2 ce b6 ff ff 9c a9 13 8d ff ff ff ff 20 00 00 00 00 00 00 00 3e 20 cb 8d ff ff ff ff cb aa 13 8d 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 [ 39.503819] RSP: 0018:ffffb6cec20ffdf8 EFLAGS: 00010246 [ 39.509643] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 39.517609] RDX: 0000000000000000 RSI: ffff9f523ad1bf70 RDI: ffff9f523ad1bf70 [ 39.525575] RBP: ffffb6cec20ffe18 R08: 0000000000000000 R09: 0000000000000000 [ 39.533559] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b 3 cc cc cc cc 80 3d 99 90 e3 01 00 75 f2 48 c7 c7 60 0c bf 8d c6[ 39.541534] R13: ffffb6cec20fff10 R14: ffffb6cec20fff10 R15: ffff9f51c4d7d000 [ 39.555716] FS: 00007feb6d4e8580(0000) GS:ffff9f523ad00000(0000) knlGS:0000000000000000 [ 39.564752] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.571166] CR2: ffffb6cec20ffe18 CR3: 0000000105c78006 CR4: 00000000003706e0 [ 39.579135] Call Trace: [ 39.581864] ? execute_location+0x45/0x56 05 89 90 e3 01 01 e8 7d 99 e4 00 <0f> 0b c3 cc cc cc cc 48 89 d[ 39.586338] ? lkdtm_EXEC_STACK+0x26/0x44 [ 39.597023] ? direct_entry.cold+0x2c/0x38 [ 39.601609] ? full_proxy_write+0x53/0x80 6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 # [ 37.172506] RSP: 001[ 39.606092] ? vfs_write+0xe7/0x3a0 [ 39.616194] ? ksys_write+0x68/0xf0 [ 39.620088] ? do_syscall_64+0x30/0x40 [ 39.624273] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 8:ffffb6cec18cfe48 EFLAGS: 00010286 # [ 37.184556] RAX: 00000[ 39.630108] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 39.662740] CR2: ffffb6cec20ffe18 [ 39.666436] ---[ end trace 84f6a6c56e0696ae ]--- [ 39.671592] RIP: 0010:lkdtm_BUG+0x5/0x10 00000000000 RBX: 00000000002706f0 RCX: 0000000000000000 # [ 3[ 39.675968] Code: 89 ff e8 fe 60 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 30 39 92 02 [ 39.703161] RSP: 0018:ffffb6cec12efe60 EFLAGS: 00010282 [ 39.708985] RAX: ffffffff8cae4d20 RBX: 0000000000000001 RCX: 0000000000000000 [ 39.716955] RDX: 0000000000000000 RSI: ffff9f523ad9bf70 RDI: ffffffff8d8d1110 [ 39.724922] RBP: ffffffff8dd0d628 R08: 0000000000000001 R09: 0000000000000001 [ 39.732891] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 39.740860] R13: ffffb6cec12eff10 R14: ffffb6cec12eff10 R15: ffff9f51c4e2e000 [ 39.748821] FS: 00007feb6d4e8580(0000) GS:ffff9f523ad00000(0000) knlGS:0000000000000000 [ 39.757859] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.764272] CR2: ffffb6cec20ffe18 CR3: 0000000105c78006 CR4: 00000000003706e0 7.198745] RDX: ffff9f523ac2c660 RSI: ffff9f523ac1bf70 RDI: ffff9f523ac1bf70 # [ 37.212953] RBP: ffffffff8dcb1f15 R08: 0000000000000000 R09: 0000000000000000 # [ 37.227146] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 37.241328] R13: ffffb6cec18cff10 R14: ffffb6cec18cff10 R15: ffff9f51c5452000 # [ 37.255543] FS: 00007f1f6ae29580(0000) GS:ffff9f523ac00000(0000) knlGS:0000000000000000 # [ 37.270801] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 37.283432] CR2: 00007f1f6ac32000 CR3: 00000001031a4004 CR4: 00000000003706f0 # [ 37.297618] Call Trace: # [ 37.306570] lkdtm_UNSET_SMEP.cold+0x1d/0x103 # [ 37.317698] direct_entry.cold+0x2c/0x38 # [ 37.328382] full_proxy_write+0x53/0x80 # [ 37.338835] vfs_write+0xe7/0x3a0 # [ 37.348824] ksys_write+0x68/0xf0 # [ 37.358749] do_syscall_64+0x30/0x40 # [ 37.368969] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 37.380822] RIP: 0033:0x7f1f6ad3f833 # [ 37.391057] Code: 8b 15 61 26 0e 00 f7 d8 [ 39.867478] lkdtm: Performing direct entry EXEC_KMALLOC [ 39.877540] lkdtm: attempting ok execution at ffffffff8cae50f0 [ 39.884067] lkdtm: attempting bad execution at ffff9f51c5dc2200 [ 39.890690] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 39.899053] BUG: unable to handle page fault for address: ffff9f51c5dc2200 [ 39.906732] #PF: supervisor instruction fetch in kernel mode [ 39.913048] #PF: error_code(0x0011) - permissions violation 64[ 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 0 39.919270] PGD 15d801067 P4D 15d801067 PUD 100855063 PMD 105d5b063 PTE 8000000105dc2063 [ 39.934527] Oops: 0011 [#7] SMP PTI [ 39.938418] CPU: 3 PID: 1619 Comm: cat Tainted: G D W 5.10.168-cip27 #1 [ 39.947068] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 39.953873] RIP: 0010:0xffff9f51c5dc2200 [ 39.958240] Code: 00 00 02 01 00 00 00 00 00 00 80 c0 c5 c3 51 9f ff ff 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 7b ca 45 8c 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 [ 39.979220] RSP: 0018:ffffb6cec21b7e38 EFLAGS: 00010246 [ 39.985053] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 39.993021] RDX: 0000000000000000 RSI: ffff9f523ad9bf70 RDI: ffff9f523ad9bf70 [ 40.000989] RBP: ffff9f51c5dc2200 R08: 0000000000000000 R09: 0000000000000000 [ 40.008958] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 40.016928] R13: ffffb6cec21b7f10 R14: ffffb6cec21b7f10 R15: ffff9f51c5e8c000 [ 40.024896] FS: 00007f2bd7f93580(0000) GS:ffff9f523ad80000(0000) knlGS:0000000000000000 [ 40.033933] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 40.040348] CR2: ffff9f51c5dc2200 CR3: 0000000104096002 CR4: 00000000003706e0 [ 40.048315] Call Trace: [ 40.051044] ? execute_location+0x45/0x56 [ 40.055518] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 [ 40.060187] ? direct_entry.cold+0x2c/0x38 [ 40.064750] ? full_proxy_write+0x53/0x80 [ 40.069224] ? vfs_write+0xe7/0x3a0 [ 40.073113] ? ksys_write+0x68/0xf0 [ 40.077005] ? do_syscall_64+0x30/0x40 [ 40.081186] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 40.087022] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 0 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 [ 40.113480] CR2: ffff9f51c5dc2200 [ 40.123389] ---[ end trace 84f6a6c56e0696af ]--- [ 40.128542] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 40.132943] Code: 89 ff e8 fe 60 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 30 39 92 02 [ 40.153915] RSP: 0018:ffffb6cec12efe60 EFLAGS: 00010282 [ 40.159747] RAX: ffffffff8cae4d20 RBX: 0000000000000001 RCX: 0000000000000000 [ 40.167715] RDX: 0000000000000000 RSI: ffff9f523ad9bf70 RDI: ffffffff8d8d1110 [ 40.175683] RBP: ffffffff8dd0d628 R08: 0000000000000001 R09: 0000000000000001 [ 40.183650] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 40.191622] R13: ffffb6cec12eff10 R14: ffffb6cec12eff10 R15: ffff9f51c4e2e000 [ 40.199591] FS: 00007f2bd7f93580(0000) GS:ffff9f523ad80000(0000) knlGS:0000000000000000 [ 40.208627] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 40.215040] CR2: ffff9f51c5dc2200 CR3: 0000000104096002 CR4: 00000000003706e0 [ 40.223008] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 40.232919] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1619, name: cat [ 40.241372] INFO: lockdep is turned off. [ 40.245747] irq event stamp: 0 [ 40.249151] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 40.256150] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 40.265284] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 40.274416] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 40.281412] CPU: 3 PID: 1619 Comm: cat Tainted: G D W 5.10.168-cip27 #1 [ 40.290060] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 40.296863] Call Trace: [ 40.299591] dump_stack+0x77/0x9b [ 40.303290] ___might_sleep.cold+0xa6/0xb6 [ 40.307861] exit_signals+0x1c/0x2e0 [ 40.311842] do_exit+0xc2/0xaf0 [ 40.315343] ? ksys_write+0x68/0xf0 [ 40.319235] make_task_dead+0x2f/0x30 [ 40.323320] rewind_stack_and_make_dead+0x17/0x20 [ 40.328572] RIP: 0033:0x7f2bd7ea9833 [ 40.332569] 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 [ 40.353569] RSP: 002b:00007ffdabff11c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 37.418244] RSP:[ 40.362034] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f2bd7ea9833 [ 40.376215] RDX: 000000000000000d RSI: 00007f2bd7d9c000 RDI: 0000000000000001 [ 40.384183] RBP: 00007f2bd7d9c000 R08: 00007f2bd7d9b010 R09: 0000000000000000 [ 40.392150] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 40.400120] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 002b:00007ffe87a33c88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 37.432928] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f1f6ad3f833 # [ 37.447108] RDX: 000000000000000b RSI: 00007f1f6ac32000 RDI: 0000000000000001 # [ 37.461299] RBP: 00007f1f6ac32000 R08: 00007f1f6ac31010 R09: 0000000000000000 # [ 37.475469] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 37.489658] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 37.503835] irq event stamp: 0 # [ 37.513481] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 37.526678] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 37.542053] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 37.557386] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 37.570605] ---[ end trace 84f6a6c56e0696ac ]--- # [ 37.581966] lkdtm: ok: SMEP did not get cleared # [ 37.593263] lkdtm: trying to clear SMEP with call gadget # [ 37.605390] 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 # [ 37.700746] lkdtm: Performing direct entry DOUBLE_FAULT # [ 37.709597] lkdtm: XFAIL: this test is ia32-only # DOUBLE_FAULT: saw 'XFAIL': [SKIP] ok 15 selftests: lkdtm: DOUBLE_FAULT.sh # SKIP # selftests: lkdtm: CORRUPT_PAC.sh # [ 37.798801] lkdtm: Performing direct entry CORRUPT_PAC # [ 37.807523] 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 # [ 37.907339] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 37.919528] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_A[ 40.584140] lkdtm: Performing direct entry EXEC_VMALLOC CCESS # UNALIGNED_LOAD_STORE_WRITE: saw 'XFAIL': [SKIP] ok 17 [ 40.594288] lkdtm: attempting ok execution at ffffffff8cae50f0 [ 40.607050] lkdtm: attempting bad execution at ffffb6cec038d000 [ 40.613686] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 40.622056] BUG: unable to handle page fault for address: ffffb6cec038d000 selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh # SKIP # selfte[ 40.629736] #PF: supervisor instruction fetch in kernel mode [ 40.642265] #PF: error_code(0x0011) - permissions violation [ 40.648484] PGD 100000067 P4D 100000067 PUD 100210067 PMD 100936067 PTE 8000000105e96063 [ 40.657524] Oops: 0011 [#8] SMP PTI [ 40.661414] CPU: 3 PID: 1655 Comm: cat Tainted: G D W 5.10.168-cip27 #1 [ 40.670060] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 40.676862] RIP: 0010:0xffffb6cec038d000 [ 40.681229] Code: Unable to access opcode bytes at RIP 0xffffb6cec038cfd6. [ 40.688904] RSP: 0018:ffffb6cec2257e38 EFLAGS: 00010246 [ 40.694736] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 40.702705] RDX: 0000000000000000 RSI: ffff9f523ad9bf70 RDI: ffff9f523ad9bf70 [ 40.710672] RBP: ffffb6cec038d000 R08: 0000000000000000 R09: 0000000000000000 [ 40.718638] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 40.726623] R13: ffffb6cec2257f10 R14: ffffb6cec2257f10 R15: ffff9f51c5e96000 [ 40.734591] FS: 00007f01c9038580(0000) GS:ffff9f523ad80000(0000) knlGS:0000000000000000 [ 40.743625] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 40.750038] CR2: ffffb6cec038cfd6 CR3: 0000000105c78003 CR4: 00000000003706e0 [ 40.758006] Call Trace: [ 40.760733] ? execute_location+0x45/0x56 [ 40.765208] ? lkdtm_EXEC_VMALLOC+0x20/0x30 [ 40.769875] ? direct_entry.cold+0x2c/0x38 [ 40.774446] ? full_proxy_write+0x53/0x80 [ 40.778920] ? vfs_write+0xe7/0x3a0 [ 40.782801] ? ksys_write+0x68/0xf0 [ 40.786692] ? do_syscall_64+0x30/0x40 [ 40.790865] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 40.796691] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify sts: lkdtm: OVERWRITE_ALLOCATION.sh # Skipping OVERWRITE_ALLOCA[ 40.823145] CR2: ffffb6cec038d000 [ 40.833053] ---[ end trace 84f6a6c56e0696b0 ]--- [ 40.838207] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 40.842584] Code: 89 ff e8 fe 60 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 30 39 92 02 [ 40.863571] RSP: 0018:ffffb6cec12efe60 EFLAGS: 00010282 [ 40.869394] RAX: ffffffff8cae4d20 RBX: 0000000000000001 RCX: 0000000000000000 [ 40.877362] RDX: 0000000000000000 RSI: ffff9f523ad9bf70 RDI: ffffffff8d8d1110 [ 40.885329] RBP: ffffffff8dd0d628 R08: 0000000000000001 R09: 0000000000000001 [ 40.893296] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 40.901263] R13: ffffb6cec12eff10 R14: ffffb6cec12eff10 R15: ffff9f51c4e2e000 [ 40.909232] FS: 00007f01c9038580(0000) GS:ffff9f523ad80000(0000) knlGS:0000000000000000 [ 40.918269] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 40.924683] CR2: ffffb6cec038cfd6 CR3: 0000000105c78003 CR4: 00000000003706e0 TION: 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 # [ 38.090250] lkdtm: Performing direct entry READ_AFTER_FREE # [ 38.101006] lkdtm: Value in memory before free: 12345678 # [ 38.106971] lkdtm: Attempting bad read from freed memory # [ 38.112938] lkdtm: Memory was not poisoned # READ_AFTER_FREE: missing 'call trace:': [FAIL] not ok 20 selftests: lkdtm: READ_AFTER_FREE.sh # exit=1 # selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # Skipping WRITE_BUDDY_AFTER_FREE: Corrupts memory on failure ok 21 selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # SKIP # selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh # [ 38.223726] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 38.236172] lkdtm: Value in memory before free: 12345678 # [ 38.242138] lkdtm: Attempting to read from freed memory # [ 38.248005] lkdtm: Buddy page was not poisoned # READ_BUDDY_AFTER_FREE: missing 'call trace:': [FAIL] not ok 22 selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh # exit=1 # selftests: lkdtm: SLAB_FREE_DOUBLE.sh # [ 38.328150] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 38.340054] 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 # [ 38.41827[ 41.076701] lkdtm: Performing direct entry EXEC_RODATA 5] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 38.4262[ 41.087614] lkdtm: attempting ok execution at ffffffff8cae50f0 07] lkdtm: Attempting cross-cache slab free ... # SLAB_FREE_CRO[ 41.100372] lkdtm: attempting bad execution at ffffffff8d8d15a0 SS: missing 'call trace:': [FAIL] not ok 24 selftests: lkdtm: S[ 41.113197] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 41.127727] BUG: unable to handle page fault for address: ffffffff8d8d15a0 [ 41.135402] #PF: supervisor instruction fetch in kernel mode [ 41.141718] #PF: error_code(0x0011) - permissions violation [ 41.147938] PGD 15c029067 P4D 15c029067 PUD 15c02a063 PMD 800000015ba000e1 [ 41.155719] Oops: 0011 [#9] SMP PTI [ 41.159623] CPU: 0 PID: 1691 Comm: cat Tainted: G D W 5.10.168-cip27 #1 [ 41.168269] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 41.175075] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 [ 41.180815] Code: ff ff 3b bf 13 8d ff ff ff ff 8a 22 cb 8d ff ff ff ff 81 a6 13 8d 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 [ 41.201793] RSP: 0018:ffffb6cec22dfe48 EFLAGS: 00010246 [ 41.207626] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 41.215592] RDX: 0000000000000000 RSI: ffff9f523ac1bf70 RDI: ffff9f523ac1bf70 [ 41.223580] RBP: ffffffff8d8d15a0 R08: 0000000000000000 R09: 0000000000000000 [ 41.231570] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 41.239539] R13: ffffb6cec22dff10 R14: ffffb6cec22dff10 R15: ffff9f51c3c09000 [ 41.247508] FS: 00007f010db68580(0000) GS:ffff9f523ac00000(0000) knlGS:0000000000000000 [ 41.256544] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.262981] CR2: ffffffff8d8d15a0 CR3: 00000001029a4005 CR4: 00000000003706f0 [ 41.270947] Call Trace: [ 41.273675] ? execute_location+0x45/0x56 [ 41.278155] ? direct_entry.cold+0x2c/0x38 [ 41.282726] ? full_proxy_write+0x53/0x80 [ 41.287201] ? vfs_write+0xe7/0x3a0 [ 41.291091] ? ksys_write+0x68/0xf0 [ 41.294982] ? do_syscall_64+0x30/0x40 [ 41.299154] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 41.304991] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 41.331425] CR2: ffffffff8d8d15a0 [ 41.335120] ---[ end trace 84f6a6c56e0696b1 ]--- [ 41.340273] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 41.344648] Code: 89 ff e8 fe 60 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 30 39 92 02 [ 41.365627] RSP: 0018:ffffb6cec12efe60 EFLAGS: 00010282 [ 41.371449] RAX: ffffffff8cae4d20 RBX: 0000000000000001 RCX: 0000000000000000 [ 41.379417] RDX: 0000000000000000 RSI: ffff9f523ad9bf70 RDI: ffffffff8d8d1110 [ 41.387385] RBP: ffffffff8dd0d628 R08: 0000000000000001 R09: 0000000000000001 [ 41.395351] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 41.403318] R13: ffffb6cec12eff10 R14: ffffb6cec12eff10 R15: ffff9f51c4e2e000 [ 41.411285] FS: 00007f010db68580(0000) GS:ffff9f523ac00000(0000) knlGS:0000000000000000 [ 41.420320] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.426733] CR2: ffffffff8d8d15a0 CR3: 00000001029a4005 CR4: 00000000003706f0 [ 41.434702] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 41.444617] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1691, name: cat [ 41.453070] INFO: lockdep is turned off. [ 41.457444] irq event stamp: 0 [ 41.460849] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 41.467845] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 41.476977] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 41.486108] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 41.493105] CPU: 0 PID: 1691 Comm: cat Tainted: G D W 5.10.168-cip27 #1 [ 41.501752] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 41.508575] Call Trace: [ 41.511303] dump_stack+0x77/0x9b [ 41.515001] ___might_sleep.cold+0xa6/0xb6 [ 41.519579] exit_signals+0x1c/0x2e0 [ 41.523574] do_exit+0xc2/0xaf0 [ 41.527076] ? ksys_write+0x68/0xf0 [ 41.530969] make_task_dead+0x2f/0x30 [ 41.535059] rewind_stack_and_make_dead+0x17/0x20 [ 41.540299] RIP: 0033:0x7f010da7e833 [ 41.544285] 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 [ 41.565262] RSP: 002b:00007ffde2ac8648 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 41.573715] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f010da7e833 [ 41.581682] RDX: 000000000000000c RSI: 00007f010d971000 RDI: 0000000000000001 [ 41.589649] RBP: 00007f010d971000 R08: 00007f010d970010 R09: 0000000000000000 [ 41.597615] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 41.605583] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 LAB_FREE_CROSS.sh # exit=1 # selftests: lkdtm: SLAB_FREE_PAGE.sh # [ 38.542538] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 38.550000] lkdtm: Attempting non-Slab slab free ... # SLAB_FREE_PAGE: missing 'call trace:': [FAIL] not ok 25 selftests: lkdtm: SLAB_FREE_PAGE.sh # exit=1 # selftests: lkdtm: SOFTLOCKUP.sh # Skipping SOFTLOCKUP: Hangs the system ok 26 selftests: lkdtm: SOFTLOCKUP.sh # SKIP # selftests: lkdtm: HARDLOCKUP.sh # Skipping HARDLOCKUP: Hangs the system ok 27 selftests: lkdtm: HARDLOCKUP.sh # SKIP # selftests: lkdtm: SPINLOCKUP.sh # Skipping SPINLOCKUP: Hangs the system ok 28 selftests: lkdtm: SPINLOCKUP.sh # SKIP # selftests: lkdtm: HUNG_TASK.sh # Skipping HUNG_TASK: Hangs the system ok 29 selftests: lkdtm: HUNG_TASK.sh # SKIP # selftests: lkdtm: EXEC_DATA.sh # Killed # [ 38.753620] lkdtm: Performing direct entry EXEC_DATA # [ 38.759964] lkdtm: attempting ok execution at ffffffff8cae50f0 # [ 38.766490] lkdtm: attempting bad execution at ffffffff8f4086a0 # [ 38.773113] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 38.781476] BUG: unable to handle page fault for address: ffffffff8f4086a0 # [ 38.789153] #PF: sup[ 41.728202] lkdtm: Performing direct entry EXEC_USERSPACE [ 41.737719] lkdtm: attempting ok execution at ffffffff8cae50f0 [ 41.744278] lkdtm: attempting bad execution at 00007f22db00a000 [ 41.750932] unable to execute userspace code (SMEP?) (uid: 0) er[visor instruction fetch in kernel mode # [ 38.795469] #PF: 41.757364] BUG: unable to handle page fault for address: 00007f22db00a000 [ 41.771261] #PF: supervisor instruction fetch in kernel mode [ 41.777580] #PF: error_code(0x0011) - permissions violation er[ror_code(0x0011) - permissions violation # [ 38.801689] PGD 41.783800] PGD 80000001054b0067 P4D 80000001054b0067 PUD 104e1d067 PMD 10276e067 PTE 106bb8067 [ 41.799736] Oops: 0011 [#10] SMP PTI [ 41.803725] CPU: 1 PID: 1727 Comm: cat Tainted: G D W 5.10.168-cip27 #1 [ 41.812363] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 41.819166] RIP: 0010:0x7f22db00a000 [ 41.823151] Code: Unable to access opcode bytes at RIP 0x7f22db009fd6. [ 41.830438] RSP: 0018:ffffb6cec233fe50 EFLAGS: 00010246 [ 41.836270] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 [ 41.844236] RDX: 0000000000000000 RSI: ffff9f523ac9bf70 RDI: ffff9f523ac9bf70 [ 41.852203] RBP: 00007f22db00a000 R08: 0000000000000000 R09: 0000000000000000 [ 41.860171] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f [ 41.868140] R13: ffffb6cec233ff10 R14: ffffb6cec233ff10 R15: ffff9f51c2995000 [ 41.876108] FS: 00007f22dafdb580(0000) GS:ffff9f523ac80000(0000) knlGS:0000000000000000 [ 41.885143] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.891569] CR2: 00007f22db00a000 CR3: 0000000103196004 CR4: 00000000003706e0 [ 41.899537] Call Trace: [ 41.902259] ? lkdtm_EXEC_USERSPACE.cold+0x66/0xae [ 41.907623] ? direct_entry.cold+0x2c/0x38 [ 41.912193] ? full_proxy_write+0x53/0x80 [ 41.916667] ? vfs_write+0xe7/0x3a0 [ 41.920571] ? ksys_write+0x68/0xf0 [ 41.924462] ? do_syscall_64+0x30/0x40 [ 41.928644] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 41.934479] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 15c029067 P4D 15c029067 PUD 15c02a063 PMD 800000015d6000e3 # [ 41.960940] CR2: 00007f22db00a000 [ 41.970850] ---[ end trace 84f6a6c56e0696b2 ]--- [ 41.976004] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 41.980381] Code: 89 ff e8 fe 60 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 30 39 92 02 [ 42.001363] RSP: 0018:ffffb6cec12efe60 EFLAGS: 00010282 [ 42.007195] RAX: ffffffff8cae4d20 RBX: 0000000000000001 RCX: 0000000000000000 [ 42.015164] RDX: 0000000000000000 RSI: ffff9f523ad9bf70 RDI: ffffffff8d8d1110 [ 42.023132] RBP: ffffffff8dd0d628 R08: 0000000000000001 R09: 0000000000000001 [ 42.031100] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 42.039069] R13: ffffb6cec12eff10 R14: ffffb6cec12eff10 R15: ffff9f51c4e2e000 [ 42.047038] FS: 00007f22dafdb580(0000) GS:ffff9f523ac80000(0000) knlGS:0000000000000000 [ 42.056074] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.062488] CR2: 00007f22db00a000 CR3: 0000000103196004 CR4: 00000000003706e0 [ 38.809464] Oops: 0011 [#5] SMP PTI # [ 38.813355] CPU: 3 PID: 1547 Comm: cat Tainted: G D W 5.10.168-cip27 #1 # [ 38.822002] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 38.828806] RIP: 0010:data_area+0x0/0x40 # [ 38.833181] Code: ff ff 00 80 65 c4 51 9f ff ff 00 af 84 c0 51 9f 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 # [ 38.854150] RSP: 0018:ffffb6cec207fe48 EFLAGS: 00010246 # [ 38.859982] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 38.867948] RDX: 0000000000000000 RSI: ffff9f523ad9bf70 RDI: ffff9f523ad9bf70 # [ 38.875915] RBP: ffffffff8f4086a0 R08: 0000000000000000 R09: 0000000000000000 # [ 38.883881] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 38.891846] R13: ffffb6cec207ff10 R14: ffffb6cec207ff10 R15: ffff9f51c277a000 # [ 38.899814] FS: 00007ff3e32bb580(0000) GS:ffff9f523ad80000(0000) knlGS:0000000000000000 # [ 38.908850] CS: 0010 DS: 0000 ES: 000[ 42.170589] lkdtm: Performing direct entry EXEC_NULL 0 CR0: 0000000080050033 # [ 38.915262] CR2: ffffffff8f4086a0 [ 42.181704] lkdtm: attempting ok execution at ffffffff8cae50f0 CR3: 0000000103b2e005 CR4: 00000000003706e0 # [ 38.923229] Ca[ 42.194444] lkdtm: attempting bad execution at 0000000000000000 ll Trace: # [ 38.925958] ? execute_location+0x45/0x56 # [ [ 42.207271] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 42.221258] #PF: supervisor instruction fetch in kernel mode [ 42.227577] #PF: error_code(0x0010) - not-present page [ 42.233312] PGD 0 P4D 0 [ 42.236136] Oops: 0010 [#11] SMP PTI [ 42.240125] CPU: 2 PID: 1763 Comm: cat Tainted: G D W 5.10.168-cip27 #1 [ 42.248774] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 42.255579] RIP: 0010:0x0 [ 42.258501] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. [ 42.266178] RSP: 0018:ffffb6cec23dfe48 EFLAGS: 00010246 [ 42.272012] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 42.279980] RDX: 0000000000000000 RSI: ffff9f523ad1bf70 RDI: ffff9f523ad1bf70 [ 42.287948] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 42.295917] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 42.303887] R13: ffffb6cec23dff10 R14: ffffb6cec23dff10 R15: ffff9f51c3115000 [ 42.311856] FS: 00007f4d08e9d580(0000) GS:ffff9f523ad00000(0000) knlGS:0000000000000000 [ 42.320894] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.327309] CR2: ffffffffffffffd6 CR3: 0000000103c08004 CR4: 00000000003706e0 [ 42.335278] Call Trace: [ 42.338007] execute_location+0x45/0x56 38.930430] ? direct_entry.cold+0x2c/0x38 # [ 38.935001] ? [ 42.342288] direct_entry.cold+0x2c/0x38 [ 42.352880] full_proxy_write+0x53/0x80 full_proxy_write+0x53/0x80 # [ 38.939474] ? vfs_write+0xe7/0[ 42.357164] vfs_write+0xe7/0x3a0 [ 42.367074] ksys_write+0x68/0xf0 [ 42.370772] do_syscall_64+0x30/0x40 [ 42.374753] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 42.380391] RIP: 0033:0x7f4d08db3833 [ 42.384379] 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 [ 42.405361] RSP: 002b:00007ffd43f2aa78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 42.413817] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f4d08db3833 [ 42.421786] RDX: 000000000000000a RSI: 00007f4d08ca6000 RDI: 0000000000000001 [ 42.429755] RBP: 00007f4d08ca6000 R08: 00007f4d08ca5010 R09: 0000000000000000 [ 42.437725] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 42.445694] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 x3a0 # [ 38.943364] ? ksys_write+0x68/0xf0 # [ 38.947256][ 42.453666] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 42.486305] CR2: 0000000000000000 [ 42.490002] ---[ end trace 84f6a6c56e0696b3 ]--- [ 42.495148] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 42.499515] Code: 89 ff e8 fe 60 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 30 39 92 02 [ 42.520498] RSP: 0018:ffffb6cec12efe60 EFLAGS: 00010282 [ 42.526334] RAX: ffffffff8cae4d20 RBX: 0000000000000001 RCX: 0000000000000000 ? do_syscall_64+0x30/0x40 # [ 38.951439] ? entry_SYSCALL_6[ 42.534304] RDX: 0000000000000000 RSI: ffff9f523ad9bf70 RDI: ffffffff8d8d1110 [ 42.548485] RBP: ffffffff8dd0d628 R08: 0000000000000001 R09: 0000000000000001 [ 42.556456] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 42.564426] R13: ffffb6cec12eff10 R14: ffffb6cec12eff10 R15: ffff9f51c4e2e000 [ 42.572398] FS: 00007f4d08e9d580(0000) GS:ffff9f523ad00000(0000) knlGS:0000000000000000 [ 42.581427] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.587842] CR2: ffffffffffffffd6 CR3: 0000000103c08004 CR4: 00000000003706e0 [ 42.595812] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 42.605713] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1763, name: cat [ 42.614166] INFO: lockdep is turned off. [ 42.618541] irq event stamp: 0 [ 42.621947] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 42.628947] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 42.638083] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 42.647208] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 42.654206] CPU: 2 PID: 1763 Comm: cat Tainted: G D W 5.10.168-cip27 #1 [ 42.662854] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 42.669656] Call Trace: [ 42.672384] dump_stack+0x77/0x9b 4_after_hwframe+0x61/0xc6 # [ 38.957274] Modules linked in: f[ 42.676083] ___might_sleep.cold+0xa6/0xb6 [ 42.686865] exit_signals+0x1c/0x2e0 [ 42.690853] do_exit+0xc2/0xaf0 [ 42.694356] ? ksys_write+0x68/0xf0 [ 42.698247] make_task_dead+0x2f/0x30 [ 42.702324] rewind_stack_and_make_dead+0x17/0x20 [ 42.707571] RIP: 0033:0x7f4d08db3833 [ 42.711570] 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 [ 42.732549] RSP: 002b:00007ffd43f2aa78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 42.741027] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f4d08db3833 [ 42.748994] RDX: 000000000000000a RSI: 00007f4d08ca6000 RDI: 0000000000000001 [ 42.756960] RBP: 00007f4d08ca6000 R08: 00007f4d08ca5010 R09: 0000000000000000 [ 42.764928] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 42.772897] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 use ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 38.983732] CR2: ffffffff8f4086a0 # [ 38.987429] ---[ end trace 84f6a6c56e0696ad ]--- # [ 38.992575] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 38.996949] Code: 89 ff e8 fe 60 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 30 39 92 02 # [ 39.017942] RSP: 0018:ffffb6cec12efe60 EFLAGS: 00010282 # [ 39.023776] RAX: ffffffff8cae4d20 RBX: 0000000000000001 RCX: 0000000000000000 # [ 39.031761] RDX: 0000000000000000 RSI: ffff9f523ad9bf70 RDI: ffffffff8d8d1110 # [ 39.039730] RBP: ffffffff8dd0d628 R08: 0000000000000001 R09: 0000000000000001 # [ 39.047696] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 39.055663] R13: ffffb6cec12eff10 R14: ffffb6cec12eff10 R15: ffff9f51c4e2e000 # [ 39.063629] FS: 00007ff3e32bb580(0000) GS:ffff9f523ad80000(0000) knlGS:0000000000000000 # [ 39.072664] CS: 0010 DS: 0000 ES: 00[ 42.896484] lkdtm: Performing direct entry ACCESS_USERSPACE 00 CR0: 0000000080050033 # [ 39.079078] CR2: ffffffff8f4086a0[ 42.905211] lkdtm: attempting bad read at 00007fdc39c70000 CR3: 0000000103b2e005 CR4: 00000000003706e0 # [ 39.087045] B[ 42.917576] BUG: unable to handle page fault for address: 00007fdc39c70000 [ 42.931421] #PF: supervisor read access in kernel mode [ 42.937154] #PF: error_code(0x0001) - permissions violation [ 42.943373] PGD 8000000105c06067 P4D 8000000105c06067 PUD 105db9067 PMD 105db8067 PTE 106b7f067 [ 42.953098] Oops: 0001 [#12] SMP PTI [ 42.957078] CPU: 0 PID: 1798 Comm: cat Tainted: G D W 5.10.168-cip27 #1 [ 42.965724] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 42.972530] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 [ 42.978747] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 a8 2f cb 8d e8 3e 96 fd ff 48 c7 c7 d0 2f cb 8d b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 25 96 fd ff 48 89 ee 48 c7 c7 f8 2f cb [ 42.999723] RSP: 0018:ffffb6cec2467e48 EFLAGS: 00010246 [ 43.005556] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 [ 43.013523] RDX: 0000000000000000 RSI: ffff9f523ac1bf70 RDI: ffffffff8dcb2fd0 [ 43.021489] RBP: 00007fdc39c70000 R08: 0000000000000000 R09: 0000000000000000 [ 43.029456] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 [ 43.037424] R13: ffffb6cec2467f10 R14: ffffb6cec2467f10 R15: ffff9f51c4fad000 [ 43.045383] FS: 00007fdc39c41580(0000) GS:ffff9f523ac00000(0000) knlGS:0000000000000000 [ 43.054417] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.060830] CR2: 00007fdc39c70000 CR3: 0000000103196006 CR4: 00000000003706f0 [ 43.068797] Call Trace: [ 43.071526] direct_entry.cold+0x2c/0x38 [ 43.075909] full_proxy_write+0x53/0x80 [ 43.080196] vfs_write+0xe7/0x3a0 [ 43.083898] ksys_write+0x68/0xf0 [ 43.087586] do_syscall_64+0x30/0x40 [ 43.091581] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 43.097219] RIP: 0033:0x7fdc39b57833 [ 43.101207] 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 [ 43.122182] RSP: 002b:00007ffd63a320c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 43.130636] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007fdc39b57833 [ 43.138594] RDX: 0000000000000011 RSI: 00007fdc39a4a000 RDI: 0000000000000001 [ 43.146560] RBP: 00007fdc39a4a000 R08: 00007fdc39a49010 R09: 0000000000000000 [ 43.154528] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 43.162494] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 43.170465] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 43.196897] CR2: 00007fdc39c70000 [ 43.200593] ---[ end trace 84f6a6c56e0696b4 ]--- [ 43.205738] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 43.210104] Code: 89 ff e8 fe 60 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 30 39 92 02 [ 43.231080] RSP: 0018:ffffb6cec12efe60 EFLAGS: 00010282 [ 43.236912] RAX: ffffffff8cae4d20 RBX: 0000000000000001 RCX: 0000000000000000 [ 43.244879] RDX: 0000000000000000 RSI: ffff9f523ad9bf70 RDI: ffffffff8d8d1110 [ 43.252847] RBP: ffffffff8dd0d628 R08: 0000000000000001 R09: 0000000000000001 [ 43.260814] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 43.268781] R13: ffffb6cec12eff10 R14: ffffb6cec12eff10 R15: ffff9f51c4e2e000 [ 43.276739] FS: 00007fdc39c41580(0000) GS:ffff9f523ac00000(0000) knlGS:0000000000000000 [ 43.285774] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.292187] CR2: 00007fdc39c70000 CR3: 0000000103196006 CR4: 00000000003706f0 UG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 39.096956] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1547, name: cat # [ 39.105400] INFO: lockdep is turned off. # [ 39.109775] irq event stamp: 0 # [ 39.113180] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 39.120177] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 39.129309] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 39.138441] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 39.145438] CPU: 3 PID: 1547 Comm: cat Tainted: G D W 5.10.168-cip27 #1 # [ 39.154085] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 39.160887] Call Trace: # [ 39.163631] dump_stack+0x77/0x9b # [ 39.167330] ___might_sleep.cold+0xa6/0xb6 # [ 39.171901] exit_signals+0x1c/0x2e0 # [ 39.175879] do_exit+0xc2/0xaf0 # [ 39.179381] ? ksys_write+0x68/0xf0 # [ 39.183271] make_task_dead+0x2f/0x30 # [ 39.187357] rewind_stack_and_make_dead+0x17/0x20 # [ 39.192619] RIP: 0033:0x7ff3e31d1833 # [ 39.196619] 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 # [ 39.217628] RSP: 002b:00007fff30acf0a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 39.226081] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007ff3e31d1833[ 43.447946] lkdtm: Performing direct entry ACCESS_NULL # [ 39.234047] RDX: 000000000000000a RSI: 00007ff3e30c4000 R[ 43.455110] lkdtm: attempting bad read at 0000000000000000 DI: 0000000000000001 # [ 39.242014] RBP: 00007ff3e30c4000 R08[ 43.467457] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 43.481426] #PF: supervisor read access in kernel mode [ 43.487160] #PF: error_code(0x0000) - not-present page [ 43.492893] PGD 0 P4D 0 [ 43.495710] Oops: 0000 [#13] SMP PTI [ 43.499699] CPU: 0 PID: 1833 Comm: cat Tainted: G D W 5.10.168-cip27 #1 [ 43.508347] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 43.515154] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 [ 43.520399] Code: e2 95 fd ff be 00 10 00 00 48 89 ef e8 6a d4 3c ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 a8 2f cb 8d e8 bc 95 fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 d0 2f cb 8d 48 01 [ 43.541374] RSP: 0018:ffffb6cec24c7e58 EFLAGS: 00010246 [ 43.547208] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 [ 43.555167] RDX: 0000000000000000 RSI: ffff9f523ac1bf70 RDI: ffff9f523ac1bf70 [ 43.563124] RBP: ffffffff8dcb2099 R08: 0000000000000000 R09: 0000000000000000 [ 43.571090] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 43.579057] R13: ffffb6cec24c7f10 R14: ffffb6cec24c7f10 R15: ffff9f51c5610000 [ 43.587024] FS: 00007f6caa45f580(0000) GS:ffff9f523ac00000(0000) knlGS:0000000000000000 [ 43.596050] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.602456] CR2: 0000000000000000 CR3: 000000010400e003 CR4: 00000000003706f0 [ 43.610421] Call Trace: [ 43.613148] direct_entry.cold+0x2c/0x38 [ 43.617531] full_proxy_write+0x53/0x80 [ 43.621817] vfs_write+0xe7/0x3a0 [ 43.625520] ksys_write+0x68/0xf0 [ 43.629216] do_syscall_64+0x30/0x40 [ 43.633210] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 43.638849] RIP: 0033:0x7f6caa375833 [ 43.642836] 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 [ 43.663812] RSP: 002b:00007fff62384018 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 43.672264] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f6caa375833 [ 43.680231] RDX: 000000000000000c RSI: 00007f6caa268000 RDI: 0000000000000001 [ 43.688197] RBP: 00007f6caa268000 R08: 00007f6caa267010 R09: 0000000000000000 [ 43.696165] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 43.704131] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 43.712103] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 43.738539] CR2: 0000000000000000 [ 43.742229] ---[ end trace 84f6a6c56e0696b5 ]--- [ 43.747383] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 43.751758] Code: 89 ff e8 fe 60 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 30 39 92 02 [ 43.772733] RSP: 0018:ffffb6cec12efe60 EFLAGS: 00010282 [ 43.778564] RAX: ffffffff8cae4d20 RBX: 0000000000000001 RCX: 0000000000000000 [ 43.786530] RDX: 0000000000000000 RSI: ffff9f523ad9bf70 RDI: ffffffff8d8d1110 [ 43.794498] RBP: ffffffff8dd0d628 R08: 0000000000000001 R09: 0000000000000001 [ 43.802455] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 43.810421] R13: ffffb6cec12eff10 R14: ffffb6cec12eff10 R15: ffff9f51c4e2e000 [ 43.818388] FS: 00007f6caa45f580(0000) GS:ffff9f523ac00000(0000) knlGS:0000000000000000 [ 43.827421] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.833834] CR2: 0000000000000000 CR3: 000000010400e003 CR4: 00000000003706f0 [ 43.841801] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 43.851700] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1833, name: cat [ 43.860153] INFO: lockdep is turned off. [ 43.864528] irq event stamp: 0 [ 43.867933] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 43.874930] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 43.884053] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 43.893185] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 43.900182] CPU: 0 PID: 1833 Comm: cat Tainted: G D W 5.10.168-cip27 #1 [ 43.908828] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 43.915630] Call Trace: [ 43.918357] dump_stack+0x77/0x9b [ 43.922060] ___might_sleep.cold+0xa6/0xb6 [ 43.926636] exit_signals+0x1c/0x2e0 [ 43.930624] do_exit+0xc2/0xaf0 [ 43.934127] ? ksys_write+0x68/0xf0 [ 43.938020] make_task_dead+0x2f/0x30 [ 43.942103] rewind_stack_and_make_dead+0x17/0x20 [ 43.947352] RIP: 0033:0x7f6caa375833 [ 43.951329] 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 [ 43.972306] RSP: 002b:00007fff62384018 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 43.980750] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f6caa375833 [ 43.988717] RDX: 000000000000000c RSI: 00007f6caa268000 RDI: 0000000000000001 [ 43.996683] RBP: 00007f6caa268000 R08: 00007f6caa267010 R09: 0000000000000000 [ 44.004648] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 44.012614] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 : 00007ff3e30c3010 R09: 0000000000000000 # [ 39.249981] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 39.257947] 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 # [ 39.374421] lkdtm: Performing direct entry EXEC_STACK # [ 39.383499] lkdtm: attempting ok execution at ffffffff8cae50f0 # [ 39.396233] lkdtm: attempting bad execution at ffffb6cec20ffe18 # [ 39.409053] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 39.423636] BUG: unable to handle page fault for address: ffffb6cec20ffe18 # [ 39.431313] #PF: supervisor instruction fetch in kernel mode # [ 39.437631] #PF: error_code(0x0011) - permissions violation # [ 39.443844] PGD 100000067 P4D 100000067 PUD 100210067 PMD 103d62067 PTE 80000001031c9063 # [ 39.459122] Oops: 0011 [#6] SMP PTI # [ 39.463012] CPU: 2 PID: 1583 Comm: cat Tainted: G D W 5.10.168-cip27 #1 # [ 39.471660] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 39.478465] RIP: 0010:0xffffb6cec20ffe18 # [ 39.482841] Code: 00 00 18 fe 0f c2 ce b6 ff ff 9c a9 13 8d ff ff ff ff 20 00 00 00 00 00 00 00 3e 20 cb 8d ff ff ff ff cb aa 13 8d 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 # [ 39.503819] RSP: 0018:ffffb6cec20ffdf8 EFLAGS: 00010246 # [ 39.509643] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 39.517609] RDX: 0000000000000000 RSI: ffff9f523ad1bf70 RDI: ffff9f523ad1bf70 # [ 39.525575] RBP: ffffb6cec20ffe18 [ 44.180642] lkdtm: Performing direct entry WRITE_RO R08: 0000000000000000 R09: 0000000000000000 # [ 39.533559] R1[ 44.187677] lkdtm: attempting bad rodata write at ffffffff8d8d1590 0: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b [ 44.200821] BUG: unable to handle page fault for address: ffffffff8d8d1590 [ 44.214694] #PF: supervisor write access in kernel mode # [ 39.541534] R13: ffffb6cec20fff10 R14: ffffb6cec20fff10 R1[ 44.220528] #PF: error_code(0x0003) - permissions violation [ 44.232963] PGD 15c029067 P4D 15c029067 PUD 15c02a063 PMD 800000015ba000e1 5: ffff9f51c4d7d000 # [ 39.555716] FS: 00007feb6d4e8580(0000[ 44.240743] Oops: 0003 [#14] SMP PTI [ 44.250944] CPU: 2 PID: 1868 Comm: cat Tainted: G D W 5.10.168-cip27 #1 ) GS:ffff9f523ad00000(0000) knlGS:0000000000000000 # [ 39.564[ 44.259593] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 44.272629] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a 752] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 39[ 44.277589] Code: 00 48 c7 c7 88 2e cb 8d 48 c7 c6 90 15 8d 8d e8 66 98 fd ff 48 8b 05 c4 6b 79 00 ba 34 12 cd ab 48 c7 c7 b8 2e cb 8d 48 31 d0 <48> 89 05 ae 6b 79 00 e9 44 98 fd ff 0f 1f 44 00 00 48 8b 05 3d 39 [ 44.304787] RSP: 0018:ffffb6cec258fe60 EFLAGS: 00010202 [ 44.310623] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 [ 44.318595] RDX: 00000000abcd1234 RSI: ffff9f523ad1bf70 RDI: ffffffff8dcb2eb8 [ 44.326571] RBP: ffffffff8dcb20a5 R08: 0000000000000000 R09: 0000000000000000 [ 44.334542] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 [ 44.342536] R13: ffffb6cec258ff10 R14: ffffb6cec258ff10 R15: ffff9f51c5656000 [ 44.350507] FS: 00007ff87a7ee580(0000) GS:ffff9f523ad00000(0000) knlGS:0000000000000000 [ 44.359536] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.365951] CR2: ffffffff8d8d1590 CR3: 0000000105660002 CR4: 00000000003706e0 [ 44.373921] Call Trace: [ 44.376649] direct_entry.cold+0x2c/0x38 [ 44.381028] full_proxy_write+0x53/0x80 .571166] CR2: ffffb6cec20ffe18 CR3: 0000000105c78006 CR4: 000000[ 44.385311] vfs_write+0xe7/0x3a0 [ 44.395222] ksys_write+0x68/0xf0 [ 44.398922] do_syscall_64+0x30/0x40 [ 44.402910] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 44.408571] RIP: 0033:0x7ff87a704833 [ 44.412572] 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 [ 44.433570] RSP: 002b:00007ffdc800fec8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 44.442027] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007ff87a704833 [ 44.449997] RDX: 0000000000000009 RSI: 00007ff87a5f7000 RDI: 0000000000000001 [ 44.457967] RBP: 00007ff87a5f7000 R08: 00007ff87a5f6010 R09: 0000000000000000 [ 44.465937] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 44.473907] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 00003706e0 # [ 39.579135] Call Trace: # [ 39.581864] ? ex[ 44.481882] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 44.514522] CR2: ffffffff8d8d1590 [ 44.518221] ---[ end trace 84f6a6c56e0696b6 ]--- [ 44.523375] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 44.527742] Code: 89 ff e8 fe 60 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 30 39 92 02 [ 44.548726] RSP: 0018:ffffb6cec12efe60 EFLAGS: 00010282 [ 44.554573] RAX: ffffffff8cae4d20 RBX: 0000000000000001 RCX: 0000000000000000 [ 44.562542] RDX: 0000000000000000 RSI: ffff9f523ad9bf70 RDI: ffffffff8d8d1110 [ 44.570535] RBP: ffffffff8dd0d628 R08: 0000000000000001 R09: 0000000000000001 [ 44.578505] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 44.586473] R13: ffffb6cec12eff10 R14: ffffb6cec12eff10 R15: ffff9f51c4e2e000 [ 44.594443] FS: 00007ff87a7ee580(0000) GS:ffff9f523ad00000(0000) knlGS:0000000000000000 [ 44.603470] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.609884] CR2: ffffffff8d8d1590 CR3: 0000000105660002 CR4: 00000000003706e0 ecute_location+0x45/0x56 # [ 39.586338] ? lkdtm_EXEC_STACK+0x26/0x44 # [ 39.597023] ? direct_entry.cold+0x2c/0x38 # [ 39.601609] ? full_proxy_write+0x53/0x80 # [ 39.606092] ? vfs_write+0xe7/0x3a0 # [ 39.616194] ? ksys_write+0x68/0xf0 # [ 39.620088] ? do_syscall_64+0x30/0x40 # [ 39.624273] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 39.630108] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 39.662740] CR2: ffffb6cec20ffe18 # [ 39.666436] ---[ end trace 84f6a6c56e0696ae ]--- # [ 39.671592] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 39.675968] Code: 89 ff e8 fe 60 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 30 39 92 02 # [ 39.703161] RSP: 0018:ffffb6cec12efe60 EFLAGS: 00010282 # [ 39.708985] RAX: ffffffff8cae4d20 RBX: 0000000000000001 RCX: 0000000000000000 # [ 39.716955] RDX: 0000000000000000 RSI: ffff9f523ad9bf70 RDI: ffffffff8d8d1110 # [ 39.724922] RBP: ffffffff8dd0d628 R08: 0000000000000001 R09: 0000000000000001 # [ 39.732891] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 39.740860] R13: ffffb6cec12eff10 R14: ffffb6cec12eff10 R15: ffff9f51c4e2e000 # [ 39.748821] FS: 00007feb6d4e8580(0000) GS:ffff9f523ad00000(0000) knlGS:0000000000000000 # [ 39.757859] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 39.764272] CR2: f[ 44.779013] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT fffb6cec20ffe18 CR3: 0000000105c78006 CR4: 00000000003706e0 # E[ 44.785984] lkdtm: attempting bad ro_after_init write at ffffffff8dd2e330 XEC_STACK: saw 'call trace:': ok ok 31 selftests: lkdtm: EXEC_S[ 44.799805] BUG: unable to handle page fault for address: ffffffff8dd2e330 [ 44.813672] #PF: supervisor write access in kernel mode [ 44.819504] #PF: error_code(0x0003) - permissions violation [ 44.825725] PGD 15c029067 P4D 15c029067 PUD 15c02a063 PMD 10005c063 PTE 800000015bf2e061 TACK.sh # selftests: lkdtm: EXEC_KMALLOC.sh # Killed # [ 39[ 44.834767] Oops: 0003 [#15] SMP PTI [ 44.844967] CPU: 2 PID: 1903 Comm: cat Tainted: G D W 5.10.168-cip27 #1 [ 44.853620] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 44.860428] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a .867478] lkdtm: Performing direct entry EXEC_KMALLOC # [ 39.8[ 44.866456] Code: 2e cb 8d e9 18 98 fd ff 48 c7 c7 10 2f cb 8d e8 0c 98 fd ff 48 8b 05 0a 39 bf 00 ba 34 12 cd ab 48 c7 c7 b8 2e cb 8d 48 31 d0 <48> 89 05 f4 38 bf 00 e9 ea 97 fd ff 0f 1f 44 00 00 41 54 48 c7 c7 [ 44.893649] RSP: 0018:ffffb6cec2657e60 EFLAGS: 00010202 [ 44.899484] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 [ 44.907452] RDX: 00000000abcd1234 RSI: ffff9f523ad1bf70 RDI: ffffffff8dcb2eb8 [ 44.915421] RBP: ffffffff8dcb20ae R08: 0000000000000000 R09: 0000000000000000 [ 44.923390] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 [ 44.931359] R13: ffffb6cec2657f10 R14: ffffb6cec2657f10 R15: ffff9f51c40ec000 [ 44.939320] FS: 00007f99cf7e2580(0000) GS:ffff9f523ad00000(0000) knlGS:0000000000000000 [ 44.948358] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.954774] CR2: ffffffff8dd2e330 CR3: 0000000103e52006 CR4: 00000000003706e0 [ 44.962743] Call Trace: [ 44.965471] direct_entry.cold+0x2c/0x38 [ 44.969850] full_proxy_write+0x53/0x80 77540] lkdtm: attempting ok execution at ffffffff8cae50f0 # [ [ 44.974133] vfs_write+0xe7/0x3a0 [ 44.984040] ksys_write+0x68/0xf0 [ 44.987737] do_syscall_64+0x30/0x40 [ 44.991726] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 44.997366] RIP: 0033:0x7f99cf6f8833 [ 45.001353] 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 [ 45.022335] RSP: 002b:00007ffcb838dc18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 45.030791] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f99cf6f8833 [ 45.038752] RDX: 0000000000000014 RSI: 00007f99cf5eb000 RDI: 0000000000000001 [ 45.046722] RBP: 00007f99cf5eb000 R08: 00007f99cf5ea010 R09: 0000000000000000 [ 45.054689] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 45.062659] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 39.884067] lkdtm: attempting bad execution at ffff9f51c5dc2200 [ 45.070634] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 45.103268] CR2: ffffffff8dd2e330 [ 45.106965] ---[ end trace 84f6a6c56e0696b7 ]--- [ 45.112118] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 45.116485] Code: 89 ff e8 fe 60 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 30 39 92 02 [ 45.137467] RSP: 0018:ffffb6cec12efe60 EFLAGS: 00010282 [ 45.143292] RAX: ffffffff8cae4d20 RBX: 0000000000000001 RCX: 0000000000000000 [ 45.151262] RDX: 0000000000000000 RSI: ffff9f523ad9bf70 RDI: ffffffff8d8d1110 [ 45.159231] RBP: ffffffff8dd0d628 R08: 0000000000000001 R09: 0000000000000001 [ 45.167200] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 45.175162] R13: ffffb6cec12eff10 R14: ffffb6cec12eff10 R15: ffff9f51c4e2e000 [ 45.183131] FS: 00007f99cf7e2580(0000) GS:ffff9f523ad00000(0000) knlGS:0000000000000000 [ 45.192167] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.198581] CR2: ffffffff8dd2e330 CR3: 0000000103e52006 CR4: 00000000003706e0 [ 45.206571] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 45.216484] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1903, name: cat [ 45.224930] INFO: lockdep is turned off. [ 45.229306] irq event stamp: 0 [ 45.232710] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 45.239709] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 45.248835] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 45.257968] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 45.264964] CPU: 2 PID: 1903 Comm: cat Tainted: G D W 5.10.168-cip27 #1 [ 45.273621] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 45.280426] Call Trace: [ 45.283153] dump_stack+0x77/0x9b # [ 39.890690] kernel tried to execute NX-protected page - ex[ 45.286853] ___might_sleep.cold+0xa6/0xb6 [ 45.297636] exit_signals+0x1c/0x2e0 [ 45.301625] do_exit+0xc2/0xaf0 [ 45.305129] ? ksys_write+0x68/0xf0 [ 45.309022] make_task_dead+0x2f/0x30 [ 45.313108] rewind_stack_and_make_dead+0x17/0x20 [ 45.318358] RIP: 0033:0x7f99cf6f8833 [ 45.322346] 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 [ 45.343330] RSP: 002b:00007ffcb838dc18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 45.351785] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f99cf6f8833 [ 45.359756] RDX: 0000000000000014 RSI: 00007f99cf5eb000 RDI: 0000000000000001 [ 45.367726] RBP: 00007f99cf5eb000 R08: 00007f99cf5ea010 R09: 0000000000000000 [ 45.375695] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 45.383663] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ploit attempt? (uid: 0) # [ 39.899053] BUG: unable to handle page fault for address: ffff9f51c5dc2200 # [ 39.906732] #PF: supervisor instruction fetch in kernel mode # [ 39.913048] #PF: error_code(0x0011) - permissions violation # [ 39.919270] PGD 15d801067 P4D 15d801067 PUD 100855063 PMD 105d5b063 PTE 8000000105dc2063 # [ 39.934527] Oops: 0011 [#7] SMP PTI # [ 39.938418] CPU: 3 PID: 1619 Comm: cat Tainted: G D W 5.10.168-cip27 #1 # [ 39.947068] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 39.953873] RIP: 0010:0xffff9f51c5dc2200 # [ 39.958240] Code: 00 00 02 01 00 00 00 00 00 00 80 c0 c5 c3 51 9f ff ff 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 7b ca 45 8c 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 # [ 39.979220] RSP: 0018:ffffb6cec21b7e38 EFLAGS: 00010246 # [ 39.985053] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 39.993021] RDX: 0000000000000000 RSI: ffff9f523ad9bf70 RDI: ffff9f523ad9bf70 # [ 40.000989] RBP: ffff9f51c5dc2200 R08: 0000000000000000 R09: 0000000000000000 # [ 40.008958] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 40.016928] R13: ffffb6cec21b7f10 R14: ffffb6cec21b7f10 R15: ffff9f51c5e8c000 # [ 40.024896] FS: 00007f2bd7f93580(0000) GS:ffff9f523ad80000(0000) knlGS:0000000000000000 # [ 40.033933] CS: 0010 [ 45.527043] lkdtm: Performing direct entry WRITE_KERN [ 45.534041] lkdtm: attempting bad 6641750 byte write at ffffffff8d13a946 [ 45.541570] BUG: unable to handle page fault for address: ffffffff8d13a946 [ 45.549263] #PF: supervisor write access in kernel mode DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 40.040348] CR2: f[ 45.555105] #PF: error_code(0x0003) - permissions violation fff9f51c5dc2200 CR3: 0000000104096002 CR4: 00000000003706e0 # [[ 45.567537] PGD 15c029067 P4D 15c029067 PUD 15c02a063 PMD 15b2000e1 [ 45.580851] Oops: 0003 [#16] SMP PTI [ 45.584843] CPU: 1 PID: 1938 Comm: cat Tainted: G D W 5.10.168-cip27 #1 40.048315] Call Trace: # [ 40.051044] ? execute_location+[ 45.593494] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 45.606516] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e [ 45.611669] Code: 53 48 c7 c3 46 a9 13 8d 49 89 dc 48 89 da 49 81 ec f0 50 ae 8c 4c 89 e6 e8 bf 97 fd ff 48 89 df 4c 89 e1 48 c7 c6 f0 50 ae 8c a4 48 c7 c7 b8 2e cb 8d e8 a4 97 fd ff 5b 41 5c e9 b7 fe ff ff [ 45.632654] RSP: 0018:ffffb6cec26cfe50 EFLAGS: 00010246 [ 45.638489] RAX: 000000000000003c RBX: ffffffff8d13a946 RCX: 0000000000655856 [ 45.646450] RDX: 0000000000000000 RSI: ffffffff8cae50f0 RDI: ffffffff8d13a946 [ 45.654419] RBP: ffffffff8dcb20c2 R08: 0000000000000000 R09: 0000000000000000 [ 45.662387] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000655856 [ 45.670356] R13: ffffb6cec26cff10 R14: ffffb6cec26cff10 R15: ffff9f51c5431000 [ 45.678324] FS: 00007f673cf76580(0000) GS:ffff9f523ac80000(0000) knlGS:0000000000000000 [ 45.687361] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.693777] CR2: ffffffff8d13a946 CR3: 0000000104102005 CR4: 00000000003706e0 [ 45.701747] Call Trace: [ 45.704476] direct_entry.cold+0x2c/0x38 [ 45.708854] full_proxy_write+0x53/0x80 [ 45.713136] vfs_write+0xe7/0x3a0 [ 45.716833] ksys_write+0x68/0xf0 [ 45.720531] do_syscall_64+0x30/0x40 [ 45.724520] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 45.730160] RIP: 0033:0x7f673ce8c833 [ 45.734148] 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 [ 45.755131] RSP: 002b:00007ffc03ba4108 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 45.763588] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f673ce8c833 [ 45.771571] RDX: 000000000000000b RSI: 00007f673cd7f000 RDI: 0000000000000001 [ 45.779539] RBP: 00007f673cd7f000 R08: 00007f673cd7e010 R09: 0000000000000000 [ 45.787508] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 45.795476] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 45.803451] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 0x45/0x56 # [ 40.055518] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 # [[ 45.829913] CR2: ffffffff8d13a946 [ 45.839822] ---[ end trace 84f6a6c56e0696b8 ]--- [ 45.844977] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 45.849353] Code: 89 ff e8 fe 60 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 30 39 92 02 [ 45.870335] RSP: 0018:ffffb6cec12efe60 EFLAGS: 00010282 [ 45.876169] RAX: ffffffff8cae4d20 RBX: 0000000000000001 RCX: 0000000000000000 [ 45.884139] RDX: 0000000000000000 RSI: ffff9f523ad9bf70 RDI: ffffffff8d8d1110 [ 45.892108] RBP: ffffffff8dd0d628 R08: 0000000000000001 R09: 0000000000000001 [ 45.900078] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 45.908047] R13: ffffb6cec12eff10 R14: ffffb6cec12eff10 R15: ffff9f51c4e2e000 [ 45.916016] FS: 00007f673cf76580(0000) GS:ffff9f523ac80000(0000) knlGS:0000000000000000 [ 45.925054] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.931470] CR2: ffffffff8d13a946 CR3: 0000000104102005 CR4: 00000000003706e0 40.060187] ? direct_entry.cold+0x2c/0x38 # [ 40.064750] ? full_proxy_write+0x53/0x80 # [ 40.069224] ? vfs_write+0xe7/0x3a0 # [ 40.073113] ? ksys_write+0x68/0xf0 # [ 40.077005] ? do_syscall_64+0x30/0x40 # [ 40.081186] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 40.087022] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 40.113480] CR2: ffff9f51c5dc2200 # [ 40.123389] ---[ end trace 84f6a6c56e0696af ]--- # [ 40.128542] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 40.132943] Code: 89 ff e8 fe 60 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 30 39 92 02 # [ 40.153915] RSP: 0018:ffffb6cec12efe60 EFLAGS: 00010282 # [ 40.159747] RAX: ffffffff8cae4d20 RBX: 0000000000000001 RCX: 0000000000000000 # [ 40.167715] RDX: 0000000000000000 RSI: ffff9f523ad9bf70 RDI: ffffffff8d8d1110 # [ 40.175683] RBP: ffffffff8dd0d628 R08: 0000000000000001 R09: 0000000000000001 # [ 40.183650] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 40.191622] R13: ffffb[ 46.068757] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW 6cec12eff10 R14: ffffb6cec12eff10 R15: ffff9f51c4e2e000 # [ 4[ 46.076756] lkdtm: attempting good refcount_inc() without overflow 0.199591] FS: 00007f2bd7f93580(0000) GS:ffff9f523ad80000(0000) [ 46.089884] lkdtm: attempting bad refcount_inc() overflow knlGS:0000000000000000 # [ 40.208627] CS: 0010 DS: 0000 ES: [ 46.102124] ------------[ cut here ]------------ 0000 CR0: 0000000080050033 # [ 40.215040] CR2: ffff9f51c5dc22[ 46.113458] refcount_t: saturated; leaking memory. 00 CR3: 0000000104096002 CR4: 00000000003706e0 # [ 40.223008][ 46.125088] WARNING: CPU: 0 PID: 1973 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 BUG: sleeping function called from invalid context at include/l[ 46.140740] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify inux/percpu-rwsem.h:49 # [ 40.232919] in_atomic(): 0, irqs_di[ 46.173385] CPU: 0 PID: 1973 Comm: cat Tainted: G D W 5.10.168-cip27 #1 sabled(): 1, non_block: 0, pid: 1619, name: cat # [ 40.241372[ 46.188220] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 ] INFO: lockdep is turned off. # [ 40.245747] irq event stamp[ 46.201285] RIP: 0010:refcount_warn_saturate+0x51/0x110 : 0 # [ 40.249151] hardirqs last enabled at (0): [<000000000[ 46.213325] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 66 e9 93 01 00 75 ee 48 c7 c7 58 d7 c4 8d c6 05 56 e9 93 01 01 e8 61 f1 94 00 <0f> 0b c3 cc cc cc cc 80 3d 42 e9 93 01 00 75 cb 48 c7 c7 80 d7 c4 0000000>] 0x0 # [ 40.256150] hardirqs last disabled at (0): [[ 46.240560] RSP: 0018:ffffb6cec277fe48 EFLAGS: 00010286 ] copy_process+0x664/0x1cb0 # [ 40.265284] [ 46.252656] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 softirqs last enabled at (0): [] copy_process[ 46.266804] RDX: ffff9f523ac2c660 RSI: ffff9f523ac1bf70 RDI: ffff9f523ac1bf70 +0x664/0x1cb0 # [ 40.274416] softirqs last disabled at (0): [[ 46.281012] RBP: ffffffff8dcb20cd R08: 0000000000000000 R09: 0000000000000000 <0000000000000000>] 0x0 # [ 40.281412] CPU: 3 PID: 1619 Comm:[ 46.295180] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 cat Tainted: G D W 5.10.168-cip27 #1 # [ 40.290[ 46.309402] R13: ffffb6cec277ff10 R14: ffffb6cec277ff10 R15: ffff9f51c5561000 060] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ [ 46.323554] FS: 00007f2e2f2ff580(0000) GS:ffff9f523ac00000(0000) knlGS:0000000000000000 40.296863] Call Trace: # [ 40.299591] dump_stack+0x77/0x9b[ 46.338839] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 40.303290] ___might_sleep.cold+0xa6/0xb6 # [ 40.3078[ 46.351453] CR2: 00007f2e2f108000 CR3: 0000000104e16006 CR4: 00000000003706f0 61] exit_signals+0x1c/0x2e0 # [ 40.311842] do_exit+0xc2/0xa[ 46.365650] Call Trace: f0 # [ 40.315343] ? ksys_write+0x68/0xf0 # [ 40.319235] [ 46.374591] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 make_task_dead+0x2f/0x30 # [ 40.323320] rewind_stack_and_mak[ 46.386153] direct_entry.cold+0x2c/0x38 e_dead+0x17/0x20 # [ 40.328572] RIP: 0033:0x7f2bd7ea9833 # [[ 46.396747] full_proxy_write+0x53/0x80 40.332569] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff[ 46.407256] vfs_write+0xe7/0x3a0 ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 [ 46.417165] ksys_write+0x68/0xf0 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83[ 46.427092] do_syscall_64+0x30/0x40 ec 28 48 89 54 24 18 # [ 40.353569] RSP: 002b:00007ffdabff11[ 46.437289] entry_SYSCALL_64_after_hwframe+0x61/0xc6 c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 40.362034][ 46.449155] RIP: 0033:0x7f2e2f215833 RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f2bd7ea98[ 46.459352] 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 # [ 40.376215] RDX: 000000000000000d RSI: 00007f2bd7d9c000[ 46.486576] RSP: 002b:00007ffcca052e58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RDI: 0000000000000001 # [ 40.384183] RBP: 00007f2bd7d9c000 R[ 46.501227] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f2e2f215833 08: 00007f2bd7d9b010 R09: 0000000000000000 # [ 40.392150] R10[ 46.515432] RDX: 0000000000000016 RSI: 00007f2e2f108000 RDI: 0000000000000001 : fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 46.529600] RBP: 00007f2e2f108000 R08: 00007f2e2f107010 R09: 0000000000000000 # [ 40.400120] R13: 0000000000000001 R14: 0000000000020000 R15[ 46.543807] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 : 0000000000020000 # EXEC_KMALLOC: saw 'call trace:': ok ok 32[ 46.557983] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 selftests: lkdtm: EXEC_KMALLOC.sh # selftests: lkdtm: EXEC_VMA[ 46.572201] irq event stamp: 0 LLOC.sh # Killed # [ 40.584140] lkdtm: Performing direct ent[ 46.581798] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ry EXEC_VMALLOC # [ 40.594288] lkdtm: attempting ok execution[ 46.595028] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 at ffffffff8cae50f0 # [ 40.607050] lkdtm: attempting bad exe[ 46.610359] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 cution at ffffb6cec038d000 # [ 40.613686] kernel tried to exe[ 46.625737] softirqs last disabled at (0): [<0000000000000000>] 0x0 cute NX-protected page - exploit attempt? (uid: 0) # [ 40.622[ 46.638936] ---[ end trace 84f6a6c56e0696b9 ]--- 056] BUG: unable to handle page fault for address: ffffb6cec038d[ 46.650344] lkdtm: Overflow detected: saturated 000 # [ 40.629736] #PF: supervisor instruction fetch in kernel mode # [ 40.642265] #PF: error_code(0x0011) - permissions violation # [ 40.648484] PGD 100000067 P4D 100000067 PUD 100210067 PMD 100936067 PTE 8000000105e96063 # [ 40.657524] Oops: 0011 [#8] SMP PTI # [ 40.661414] CPU: 3 PID: 1655 Comm: cat Tainted: G D W 5.10.168-cip27 #1 # [ 40.670060] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 40.676862] RIP: 0010:0xffffb6cec038d000 # [ 40.681229] Code: Unable to access opcode bytes at RIP 0xffffb6cec038cfd6. # [ 40.688904] RSP: 0018:ffffb6cec2257e38 EFLAGS: 00010246 # [ 40.694736] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 40.702705] RDX: 0000000000000000 RSI: ffff9f523ad9bf70 RDI: ffff9f523ad9bf70 # [ 40.710672] RBP: ffffb6cec038d000 R08: 0000000000000000 R09: 0000000000000000 # [ 40.718638] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 40.726623] R13: ffffb6cec2257f10 R14: ffffb6cec2257f10 R15: ffff9f51c5e96000 # [ 40.734591] FS: 00007f01c9038580(0000) GS:ffff9f523ad80000(0000) knlGS:0000000000000000 # [ 40.743625] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 40.750038] CR2: ffffb6cec038cfd6 CR3: 0000000105c78003 CR4: 00000000003706e0 # [ 40.758006] Call Trace: # [ 40.760733] ? execute_location+0x45/0x56 # [ 40.765208] ? lkdtm_EXEC_VMALLOC+0x20/0x30 # [ 40.769875] ? direct_entry.cold+0x2c/0x38 # [ 40.774446] ? full_proxy_write+0x53/0x80 # [ 40.778920][ 46.804926] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW ? vfs_write+0xe7/0x3a0 # [ 40.782801] ? ksys_write+0x68/0x[ 46.817629] lkdtm: attempting good refcount_add() without overflow f0 # [ 40.786692] ? do_syscall_64+0x30/0x40 # [ 40.790865[ 46.830750] lkdtm: attempting bad refcount_add() overflow ] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 40.796691] [ 46.843019] ------------[ cut here ]------------ Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensor[ 46.854387] refcount_t: saturated; leaking memory. s_core industrialio_triggered_buffer kfifo_buf industrialio cros[ 46.865970] WARNING: CPU: 0 PID: 2005 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 _ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_[ 46.881591] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 46.914261] CPU: 0 PID: 2005 Comm: cat Tainted: G D W 5.10.168-cip27 #1 # [ 40.823145] CR2: ffffb6cec038d000 # [ 40.833053] ---[ e[ 46.929134] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 nd trace 84f6a6c56e0696b0 ]--- # [ 40.838207] RIP: 0010:lkdtm[ 46.942168] RIP: 0010:refcount_warn_saturate+0x51/0x110 _BUG+0x5/0x10 # [ 40.842584] Code: 89 ff e8 fe 60 a3 ff 48 c7[ 46.954213] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 66 e9 93 01 00 75 ee 48 c7 c7 58 d7 c4 8d c6 05 56 e9 93 01 01 e8 61 f1 94 00 <0f> 0b c3 cc cc cc cc 80 3d 42 e9 93 01 00 75 cb 48 c7 c7 80 d7 c4 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 [ 46.981415] RSP: 0018:ffffb6cec280fe48 EFLAGS: 00010286 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00[ 46.993501] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 00 00 0f 1f 44 00 00 83 05 30 39 92 02 # [ 40.863571] RSP: 0[ 47.007706] RDX: ffff9f523ac2c660 RSI: ffff9f523ac1bf70 RDI: ffff9f523ac1bf70 018:ffffb6cec12efe60 EFLAGS: 00010282 # [ 40.869394] RAX: fff[ 47.021972] RBP: ffffffff8dcb20e3 R08: 0000000000000000 R09: 0000000000000000 fffff8cae4d20 RBX: 0000000000000001 RCX: 0000000000000000 # [ [ 47.036119] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 40.877362] RDX: 0000000000000000 RSI: ffff9f523ad9bf70 RDI: fff[ 47.050312] R13: ffffb6cec280ff10 R14: ffffb6cec280ff10 R15: ffff9f51c552d000 fffff8d8d1110 # [ 40.885329] RBP: ffffffff8dd0d628 R08: 00000[ 47.064494] FS: 00007fc2580db580(0000) GS:ffff9f523ac00000(0000) knlGS:0000000000000000 00000000001 R09: 0000000000000001 # [ 40.893296] R10: 0000000[ 47.079813] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 0ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 40.[ 47.092401] CR2: 00007fc257ee4000 CR3: 00000001054a8005 CR4: 00000000003706f0 901263] R13: ffffb6cec12eff10 R14: ffffb6cec12eff10 R15: ffff9f5[ 47.106592] Call Trace: 1c4e2e000 # [ 40.909232] FS: 00007f01c9038580(0000) GS:ffff9[ 47.115532] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 f523ad80000(0000) knlGS:0000000000000000 # [ 40.918269] CS: [ 47.127114] direct_entry.cold+0x2c/0x38 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 40.924683] C[ 47.137686] full_proxy_write+0x53/0x80 R2: ffffb6cec038cfd6 CR3: 0000000105c78003 CR4: 00000000003706e0[ 47.148204] vfs_write+0xe7/0x3a0 # EXEC_VMALLOC: saw 'call trace:': ok ok 33 selftests: lkdtm:[ 47.158108] ksys_write+0x68/0xf0 EXEC_VMALLOC.sh # selftests: lkdtm: EXEC_RODATA.sh # Killed [ 47.168040] do_syscall_64+0x30/0x40 # [ 41.076701] lkdtm: Performing direct entry EXEC_RODATA # [[ 47.178237] entry_SYSCALL_64_after_hwframe+0x61/0xc6 41.087614] lkdtm: attempting ok execution at ffffffff8cae50f0[ 47.190108] RIP: 0033:0x7fc257ff1833 # [ 41.100372] lkdtm: attempting bad execution at ffffffff8d[ 47.200291] 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 8d15a0 # [ 41.113197] kernel tried to execute NX-protected pa[ 47.227492] RSP: 002b:00007ffe5bb90a18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 ge - exploit attempt? (uid: 0) # [ 41.127727] BUG: unable to [ 47.242153] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fc257ff1833 handle page fault for address: ffffffff8d8d15a0 # [ 41.135402[ 47.256348] RDX: 0000000000000016 RSI: 00007fc257ee4000 RDI: 0000000000000001 ] #PF: supervisor instruction fetch in kernel mode # [ 41.141[ 47.270513] RBP: 00007fc257ee4000 R08: 00007fc257ee3010 R09: 0000000000000000 718] #PF: error_code(0x0011) - permissions violation # [ 41.1[ 47.284715] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 47938] PGD 15c029067 P4D 15c029067 PUD 15c02a063 PMD 800000015ba[ 47.298888] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 000e1 # [ 41.155719] Oops: 0011 [#9] SMP PTI # [ 41.15962[ 47.313096] irq event stamp: 0 3] CPU: 0 PID: 1691 Comm: cat Tainted: G D W 5.10.1[ 47.322693] hardirqs last enabled at (0): [<0000000000000000>] 0x0 68-cip27 #1 # [ 41.168269] Hardware name: Google Rammus/Rammu[ 47.335928] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 s, BIOS 09/04/2020 # [ 41.175075] RIP: 0010:lkdtm_rodata_do_[ 47.351265] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 nothing+0x0/0x10 # [ 41.180815] Code: ff ff 3b bf 13 8d ff ff[ 47.366625] softirqs last disabled at (0): [<0000000000000000>] 0x0 ff ff 8a 22 cb 8d ff ff ff ff 81 a6 13 8d ff ff ff ff 55 aa 55 [ 47.379834] ---[ end trace 84f6a6c56e0696ba ]--- aa 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00[ 47.391234] lkdtm: Overflow detected: saturated 00 00 00 00 00 00 00 00 54 68 69 73 20 69 # [ 41.201793] RSP: 0018:ffffb6cec22dfe48 EFLAGS: 00010246 # [ 41.207626] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 41.215592] RDX: 0000000000000000 RSI: ffff9f523ac1bf70 RDI: ffff9f523ac1bf70 # [ 41.223580] RBP: ffffffff8d8d15a0 R08: 0000000000000000 R09: 0000000000000000 # [ 41.231570] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 41.239539] R13: ffffb6cec22dff10 R14: ffffb6cec22dff10 R15: ffff9f51c3c09000 # [ 41.247508] FS: 00007f010db68580(0000) GS:ffff9f523ac00000(0000) knlGS:0000000000000000 # [ 41.256544] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 41.262981] CR2: ffffffff8d8d15a0 CR3: 00000001029a4005 CR4: 00000000003706f0 # [ 41.270947] Call Trace: # [ 41.273675] ? execute_location+0x45/0x56 # [ 41.278155] ? direct_entry.cold+0x2c/0x38 # [ 41.282726] ? full_proxy_write+0x53/0x80 # [ 41.287201] ? vfs_write+0xe7/0x3a0 # [ 41.291091] ? ksys_write+0x68/0xf0 # [ 41.294982] ? do_syscall_64+0x30/0x40 # [ 41.299154] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 41.304991] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs c[ 47.528198] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW ros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_not[ 47.540588] lkdtm: attempting bad refcount_inc_not_zero() overflow ify # [ 41.331425] CR2: ffffffff8d8d15a0 # [ 41.335120] --[ 47.553738] ------------[ cut here ]------------ -[ end trace 84f6a6c56e0696b1 ]--- # [ 41.340273] RIP: 0010:l[ 47.565108] refcount_t: saturated; leaking memory. kdtm_BUG+0x5/0x10 # [ 41.344648] Code: 89 ff e8 fe 60 a3 ff 4[ 47.576686] WARNING: CPU: 0 PID: 2037 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 8 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48[ 47.592335] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 0[ 47.625005] CPU: 0 PID: 2037 Comm: cat Tainted: G D W 5.10.168-cip27 #1 0 00 00 00 0f 1f 44 00 00 83 05 30 39 92 02 # [ 41.365627] RS[ 47.639862] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 P: 0018:ffffb6cec12efe60 EFLAGS: 00010282 # [ 41.371449] RAX:[ 47.652888] RIP: 0010:refcount_warn_saturate+0x97/0x110 ffffffff8cae4d20 RBX: 0000000000000001 RCX: 0000000000000000 #[ 47.664985] Code: 01 01 e8 3e f1 94 00 0f 0b c3 cc cc cc cc 80 3d 21 e9 93 01 00 75 a8 48 c7 c7 58 d7 c4 8d c6 05 11 e9 93 01 01 e8 1b f1 94 00 <0f> 0b c3 cc cc cc cc 80 3d fb e8 93 01 00 75 85 48 c7 c7 b0 d7 c4 [ 41.379417] RDX: 0000000000000000 RSI: ffff9f523ad9bf70 RDI:[ 47.692196] RSP: 0018:ffffb6cec2887e38 EFLAGS: 00010282 ffffffff8d8d1110 # [ 41.387385] RBP: ffffffff8dd0d628 R08: 0[ 47.704263] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 000000000000001 R09: 0000000000000001 # [ 41.395351] R10: 000[ 47.718493] RDX: ffff9f523ac2c660 RSI: ffff9f523ac1bf70 RDI: ffff9f523ac1bf70 00000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ [ 47.732648] RBP: ffffffff8dcb1d20 R08: 0000000000000000 R09: 0000000000000000 41.403318] R13: ffffb6cec12eff10 R14: ffffb6cec12eff10 R15: fff[ 47.746866] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f f9f51c4e2e000 # [ 41.411285] FS: 00007f010db68580(0000) GS:f[ 47.761038] R13: ffffb6cec2887f10 R14: ffffb6cec2887f10 R15: ffff9f51c3d2e000 fff9f523ac00000(0000) knlGS:0000000000000000 # [ 41.420320] C[ 47.775220] FS: 00007f8efffb8580(0000) GS:ffff9f523ac00000(0000) knlGS:0000000000000000 S: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 41.42673[ 47.790471] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 3] CR2: ffffffff8d8d15a0 CR3: 00000001029a4005 CR4: 000000000037[ 47.803087] CR2: 00007f8effdc1000 CR3: 0000000103ce4002 CR4: 00000000003706f0 06f0 # [ 41.434702] BUG: sleeping function called from invali[ 47.817284] Call Trace: d context at include/linux/percpu-rwsem.h:49 # [ 41.444617] i[ 47.826254] __refcount_add_not_zero.constprop.0+0x2a/0x35 n_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1691, name[ 47.838625] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 : cat # [ 41.453070] INFO: lockdep is turned off. # [ 41.4[ 47.851067] direct_entry.cold+0x2c/0x38 57444] irq event stamp: 0 # [ 41.460849] hardirqs last enabl[ 47.861715] full_proxy_write+0x53/0x80 ed at (0): [<0000000000000000>] 0x0 # [ 41.467845] hardirqs l[ 47.872194] vfs_write+0xe7/0x3a0 ast disabled at (0): [] copy_process+0x664/0x1[ 47.882161] ksys_write+0x68/0xf0 cb0 # [ 41.476977] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 41.486108] softirqs l[ 47.902315] entry_SYSCALL_64_after_hwframe+0x61/0xc6 ast disabled at (0): [<0000000000000000>] 0x0 # [ 41.493105] [ 47.914146] RIP: 0033:0x7f8effece833 CPU: 0 PID: 1691 Comm: cat Tainted: G D W 5.10.168-[ 47.924365] 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 cip27 #1 # [ 41.501752] Hardware name: Google Rammus/Rammus, [ 47.951586] RSP: 002b:00007ffd84adcaa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 BIOS 09/04/2020 # [ 41.508575] Call Trace: # [ 41.511303][ 47.966304] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f8effece833 dump_stack+0x77/0x9b # [ 41.515001] ___might_sleep.cold+0x[ 47.980475] RDX: 000000000000001f RSI: 00007f8effdc1000 RDI: 0000000000000001 a6/0xb6 # [ 41.519579] exit_signals+0x1c/0x2e0 # [ 41.523[ 47.994696] RBP: 00007f8effdc1000 R08: 00007f8effdc0010 R09: 0000000000000000 574] do_exit+0xc2/0xaf0 # [ 41.527076] ? ksys_write+0x68/0x[ 48.008883] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 f0 # [ 41.530969] make_task_dead+0x2f/0x30 # [ 41.535059][ 48.023123] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 rewind_stack_and_make_dead+0x17/0x20 # [ 41.540299] RIP: 00[ 48.037292] irq event stamp: 0 33:0x7f010da7e833 # [ 41.544285] Code: 8b 15 61 26 0e 00 f7 d[ 48.046946] hardirqs last enabled at (0): [<0000000000000000>] 0x0 8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00[ 48.060138] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 5[ 48.075491] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 5 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 41.565262] RS[ 48.090861] softirqs last disabled at (0): [<0000000000000000>] 0x0 P: 002b:00007ffde2ac8648 EFLAGS: 00000246 ORIG_RAX: 000000000000[ 48.104114] ---[ end trace 84f6a6c56e0696bb ]--- 0001 # [ 41.573715] RAX: ffffffffffffffda RBX: 00000000000000[ 48.115484] lkdtm: Overflow detected: saturated 0c RCX: 00007f010da7e833 # [ 41.581682] RDX: 000000000000000c RSI: 00007f010d971000 RDI: 0000000000000001 # [ 41.589649] RBP: 00007f010d971000 R08: 00007f010d970010 R09: 0000000000000000 # [ 41.597615] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 41.605583] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_RODATA: saw 'call trace:': ok ok 34 selftests: lkdtm: EXEC_RODATA.sh # selftests: lkdtm: EXEC_USERSPACE.sh # Killed # [ 41.728202] lkdtm: Performing direct entry EXEC_USERSPACE # [ 41.737719] lkdtm: attempting ok execution at ffffffff8cae50f0 # [ 41.744278] lkdtm: attempting bad execution at 00007f22db00a000 # [ 41.750932] unable to execute userspace code (SMEP?) (uid: 0) # [ 41.757364] BUG: unable to handle page fault for address: 00007f22db00a000 # [ 41.771261] #PF: supervisor instruction fetch in kernel mode # [ 41.777580] #PF: error_code(0x0011) - permissions violation # [ 41.783800] PGD 80000001054b0067 P4D 80000001054b0067 PUD 104e1d067 PMD 10276e067 PTE 106bb8067 # [ 41.799736] Oops: 0011 [#10] SMP PTI # [ 41.803725] CPU: 1 PID: 1727 Comm: cat Tainted: G D W 5.10.168-cip27 #1 # [ 41.812363] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 41.819166] RIP: 0010:0x7f22db00a000 # [ 41.823151] Code: Unable to access opcode bytes at RIP 0x7f22db009fd6. # [ [ 48.258675] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW [ 48.271085] lkdtm: attempting bad refcount_add_not_zero() overflow [ 48.278040] ------------[ cut here ]------------ [ 48.283221] refcount_t: saturated; leaking memory. 41.830438] RSP: 0018:ffffb6cec233fe50 EFLAGS: 00010246 # [ 41[ 48.288605] WARNING: CPU: 1 PID: 2069 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 [ 48.304235] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 48.330689] CPU: 1 PID: 2069 Comm: cat Tainted: G D W 5.10.168-cip27 #1 [ 48.339365] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 48.346176] RIP: 0010:refcount_warn_saturate+0x97/0x110 [ 48.352017] Code: 01 01 e8 3e f1 94 00 0f 0b c3 cc cc cc cc 80 3d 21 e9 93 01 00 75 a8 48 c7 c7 58 d7 c4 8d c6 05 11 e9 93 01 01 e8 1b f1 94 00 <0f> 0b c3 cc cc cc cc 80 3d fb e8 93 01 00 75 85 48 c7 c7 b0 d7 c4 [ 48.373036] RSP: 0018:ffffb6cec292fe38 EFLAGS: 00010282 [ 48.378875] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 .836270] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 000000[ 48.386850] RDX: ffff9f523acac660 RSI: ffff9f523ac9bf70 RDI: ffff9f523ac9bf70 0000000000 # [ 41.844236] RDX: 0000000000000000 RSI: ffff9f52[ 48.401039] RBP: ffffffff8dcb1d40 R08: 0000000000000000 R09: 0000000000000000 3ac9bf70 RDI: ffff9f523ac9bf70 # [ 41.852203] RBP: 00007f22db[ 48.415230] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 48.429420] R13: ffffb6cec292ff10 R14: ffffb6cec292ff10 R15: ffff9f51c3bfe000 [ 48.437395] FS: 00007efd43e62580(0000) GS:ffff9f523ac80000(0000) knlGS:0000000000000000 [ 48.446436] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.452856] CR2: 00007efd43c6b000 CR3: 0000000103cb8003 CR4: 00000000003706e0 [ 48.460851] Call Trace: 00a000 R08: 0000000000000000 R09: 0000000000000000 # [ 41.860[ 48.463598] __refcount_add_not_zero.constprop.0+0x2a/0x35 [ 48.475931] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 [ 48.482181] direct_entry.cold+0x2c/0x38 171] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000[ 48.486577] full_proxy_write+0x53/0x80 [ 48.497079] vfs_write+0xe7/0x3a0 [ 48.500781] ksys_write+0x68/0xf0 [ 48.504482] do_syscall_64+0x30/0x40 [ 48.508475] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 48.514119] RIP: 0033:0x7efd43d78833 [ 48.518109] 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 [ 48.539096] RSP: 002b:00007ffcb825d6b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 48.547574] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007efd43d78833 [ 48.555565] RDX: 000000000000001f RSI: 00007efd43c6b000 RDI: 0000000000000001 00000f # [ 41.868140] R13: ffffb6cec233ff10 R14: ffffb6cec233[ 48.563549] RBP: 00007efd43c6b000 R08: 00007efd43c6a010 R09: 0000000000000000 [ 48.577733] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 48.585707] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 48.593684] irq event stamp: 0 [ 48.597121] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 48.604125] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 48.613264] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 48.622404] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 48.629404] ---[ end trace 84f6a6c56e0696bc ]--- [ 48.634575] lkdtm: Overflow detected: saturated ff10 R15: ffff9f51c2995000 # [ 41.876108] FS: 00007f22dafdb580(0000) GS:ffff9f523ac80000(0000) knlGS:0000000000000000 # [ 41.885143] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 41.891569] CR2: 00007f22db00a000 CR3: 0000000103196004 CR4: 00000000003706e0 # [ 41.899537] Call Trace: # [ 41.902259] ? lkdtm_EXEC_USERSPACE.cold+0x66/0xae # [ 41.907623] ? direct_entry.cold+0x2c/0x38 # [ 41.912193] ? full_proxy_write+0x53/0x80 # [ 41.916667] ? vfs_write+0xe7/0x3a0 # [ 41.920571] ? ksys_write+0x68/0xf0 # [ 41.924462] ? do_syscall_64+0x30/0x40 # [ 41.928644] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 41.934479] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 41.960940] CR2: 00007f22db00a000 # [ 41.970850] ---[ end trace 84f6a6c56e0696b2 ]--- # [ 41.976004] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 41.980381] Code: 89 ff e8 fe 60 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 <[ 48.756996] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO 0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 39 92 [ 48.764102] lkdtm: attempting good refcount_dec() 02 # [ 42.001363] RSP: 0018:ffffb6cec12efe60 EFLAGS: 00010282[ 48.775634] lkdtm: attempting bad refcount_dec() to zero # [ 42.007195] RAX: ffffffff8cae4d20 RBX: 0000000000000001 R[ 48.787736] ------------[ cut here ]------------ CX: 0000000000000000 # [ 42.015164] RDX: 0000000000000000 RSI[ 48.799192] refcount_t: decrement hit 0; leaking memory. : ffff9f523ad9bf70 RDI: ffffffff8d8d1110 # [ 42.023132] RBP: [ 48.811308] WARNING: CPU: 0 PID: 2101 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 ffffffff8dd0d628 R08: 0000000000000001 R09: 0000000000000001 # [ 48.827036] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 42.031100] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: [ 48.859605] CPU: 0 PID: 2101 Comm: cat Tainted: G D W 5.10.168-cip27 #1 0000000000000004 # [ 42.039069] R13: ffffb6cec12eff10 R14: ff[ 48.874522] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 ffb6cec12eff10 R15: ffff9f51c4e2e000 # [ 42.047038] FS: 0000[ 48.887531] RIP: 0010:refcount_warn_saturate+0xfb/0x110 7f22dafdb580(0000) GS:ffff9f523ac80000(0000) knlGS:0000000000000[ 48.899632] Code: 08 d8 c4 8d c6 05 c2 e8 93 01 01 e8 d1 f0 94 00 0f 0b c3 cc cc cc cc 48 c7 c7 d8 d7 c4 8d c6 05 a9 e8 93 01 01 e8 b7 f0 94 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 000 # [ 42.056074] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008[ 48.926826] RSP: 0018:ffffb6cec29a7e48 EFLAGS: 00010286 0050033 # [ 42.062488] CR2: 00007f22db00a000 CR3: 00000001031[ 48.938924] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 96004 CR4: 00000000003706e0 # EXEC_USERSPACE: saw 'call trace:'[ 48.953102] RDX: ffff9f523ac2c660 RSI: ffff9f523ac1bf70 RDI: ffff9f523ac1bf70 : ok ok 35 selftests: lkdtm: EXEC_USERSPACE.sh # selftests: lk[ 48.967318] RBP: ffffffff8dcb20f9 R08: 0000000000000000 R09: 0000000000000000 dtm: EXEC_NULL.sh # Killed # [ 42.170589] lkdtm: Performing [ 48.981512] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 direct entry EXEC_NULL # [ 42.181704] lkdtm: attempting ok ex[ 48.995736] R13: ffffb6cec29a7f10 R14: ffffb6cec29a7f10 R15: ffff9f51c4090000 ecution at ffffffff8cae50f0 # [ 42.194444] lkdtm: attempting [ 49.009919] FS: 00007f2495689580(0000) GS:ffff9f523ac00000(0000) knlGS:0000000000000000 bad execution at 0000000000000000 # [ 42.207271] BUG: kernel [ 49.025216] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 NULL pointer dereference, address: 0000000000000000 # [ 42.22[ 49.037870] CR2: 00007f2495492000 CR3: 0000000105c78006 CR4: 00000000003706f0 1258] #PF: supervisor instruction fetch in kernel mode # [ 42[ 49.052096] Call Trace: .227577] #PF: error_code(0x0010) - not-present page # [ 42.23[ 49.061037] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd 3312] PGD 0 P4D 0 # [ 42.236136] Oops: 0010 [#11] SMP PTI #[ 49.072242] direct_entry.cold+0x2c/0x38 [ 42.240125] CPU: 2 PID: 1763 Comm: cat Tainted: G D W [ 49.082839] full_proxy_write+0x53/0x80 5.10.168-cip27 #1 # [ 42.248774] Hardware name: Google[ 49.093376] vfs_write+0xe7/0x3a0 Rammus/Rammus, BIOS 09/04/2020 # [ 42.255579] RIP: 0010:0x0[ 49.103281] ksys_write+0x68/0xf0 # [ 42.258501] Code: Unable to access opcode bytes at RIP 0x[ 49.113253] do_syscall_64+0x30/0x40 ffffffffffffffd6. # [ 42.266178] RSP: 0018:ffffb6cec23dfe48 E[ 49.123445] entry_SYSCALL_64_after_hwframe+0x61/0xc6 FLAGS: 00010246 # [ 42.272012] RAX: 0000000000000033 RBX: 000[ 49.135333] RIP: 0033:0x7f249559f833 0000000000000 RCX: 0000000000000000 # [ 42.279980] RDX: 00000[ 49.145574] 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 00000000000 RSI: ffff9f523ad1bf70 RDI: ffff9f523ad1bf70 # [ 4[ 49.172766] RSP: 002b:00007fffeb066708 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 2.287948] RBP: 0000000000000000 R08: 0000000000000000 R09: 00000[ 49.187504] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f249559f833 00000000000 # [ 42.295917] R10: 00000000ffffe000 R11: 3ffffff[ 49.201636] RDX: 0000000000000012 RSI: 00007f2495492000 RDI: 0000000000000001 fffffffff R12: 000000000000000a # [ 42.303887] R13: ffffb6cec[ 49.215850] RBP: 00007f2495492000 R08: 00007f2495491010 R09: 0000000000000000 23dff10 R14: ffffb6cec23dff10 R15: ffff9f51c3115000 # [ 42.31[ 49.230017] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 1856] FS: 00007f4d08e9d580(0000) GS:ffff9f523ad00000(0000) knlG[ 49.244233] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 S:0000000000000000 # [ 42.320894] CS: 0010 DS: 0000 ES: 0000[ 49.258404] irq event stamp: 0 CR0: 0000000080050033 # [ 42.327309] CR2: ffffffffffffffd6 C[ 49.268048] hardirqs last enabled at (0): [<0000000000000000>] 0x0 R3: 0000000103c08004 CR4: 00000000003706e0 # [ 42.335278] Cal[ 49.281268] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 l Trace: # [ 42.338007] execute_location+0x45/0x56 # [ 42[ 49.296664] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 .342288] direct_entry.cold+0x2c/0x38 # [ 42.352880] full_pr[ 49.311988] softirqs last disabled at (0): [<0000000000000000>] 0x0 oxy_write+0x53/0x80 # [ 42.357164] vfs_write+0xe7/0x3a0 # [[ 49.325245] ---[ end trace 84f6a6c56e0696bd ]--- 42.367074] ksys_write+0x68/0xf0 # [ 42.370772] do_syscal[ 49.336649] lkdtm: Zero detected: saturated l_64+0x30/0x40 # [ 42.374753] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 42.380391] RIP: 0033:0x7f4d08db3833 # [ 42.384379] 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 # [ 42.405361] RSP: 002b:00007ffd43f2aa78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 42.413817] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f4d08db3833 # [ 42.421786] RDX: 000000000000000a RSI: 00007f4d08ca6000 RDI: 0000000000000001 # [ 42.429755] RBP: 00007f4d08ca6000 R08: 00007f4d08ca5010 R09: 0000000000000000 # [ 42.437725] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 42.445694] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 42.453666] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 42.486305] CR2: 0000000000000000 # [ 42.490002] ---[ end trace 84f6a6c56e0696b3 ]--- #[ 49.464209] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE [ 42.495148] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 42.499515] C[ 49.472305] lkdtm: attempting bad refcount_dec() below zero ode: 89 ff e8 fe 60 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea[ 49.484764] ------------[ cut here ]------------ ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 [ 49.496120] refcount_t: decrement hit 0; leaking memory. 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 39[ 49.508295] WARNING: CPU: 2 PID: 2136 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 92 02 # [ 42.520498] RSP: 0018:ffffb6cec12efe60 EFLAGS: 0001[ 49.523915] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 0282 # [ 42.526334] RAX: ffffffff8cae4d20 RBX: 00000000000000[ 49.556577] CPU: 2 PID: 2136 Comm: cat Tainted: G D W 5.10.168-cip27 #1 [ 49.571437] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 01 RCX: 0000000000000000 # [ 42.534304] RDX: 0000000000000000[ 49.578249] RIP: 0010:refcount_warn_saturate+0xfb/0x110 RSI: ffff9f523ad9bf70 RDI: ffffffff8d8d1110 # [ 42.548485] R[ 49.590299] Code: 08 d8 c4 8d c6 05 c2 e8 93 01 01 e8 d1 f0 94 00 0f 0b c3 cc cc cc cc 48 c7 c7 d8 d7 c4 8d c6 05 a9 e8 93 01 01 e8 b7 f0 94 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b [ 49.617530] RSP: 0018:ffffb6cec2a27e48 EFLAGS: 00010286 BP: ffffffff8dd0d628 R08: 0000000000000001 R09: 0000000000000001[ 49.623393] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 # [ 42.556456] R10: 00000000ffffe000 R11: 3fffffffffffffff R[ 49.637593] RDX: ffff9f523ad2c660 RSI: ffff9f523ad1bf70 RDI: ffff9f523ad1bf70 12: 0000000000000004 # [ 42.564426] R13: ffffb6cec12eff10 R14[ 49.651782] RBP: ffffffff8dcb210b R08: 0000000000000000 R09: 0000000000000000 : ffffb6cec12eff10 R15: ffff9f51c4e2e000 # [ 42.572398] FS: [ 49.665987] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 00007f4d08e9d580(0000) GS:ffff9f523ad00000(0000) knlGS:000000000[ 49.680176] R13: ffffb6cec2a27f10 R14: ffffb6cec2a27f10 R15: ffff9f51c5ccc000 [ 49.694367] FS: 00007f21ba46d580(0000) GS:ffff9f523ad00000(0000) knlGS:0000000000000000 0000000 # [ 42.581427] CS: 0010 DS: 0000 ES: 0000 CR0: 00000[ 49.703412] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 00080050033 # [ 42.587842] CR2: ffffffffffffffd6 CR3: 0000000[ 49.716067] CR2: 00007f21ba276000 CR3: 0000000102906004 CR4: 00000000003706e0 103c08004 CR4: 00000000003706e0 # [ 42.595812] BUG: sleeping [ 49.730241] Call Trace: function called from invalid context at include/linux/percpu-rws[ 49.739189] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 em.h:49 # [ 42.605713] in_atomic(): 0, irqs_disabled(): 1, no[ 49.750758] direct_entry.cold+0x2c/0x38 n_block: 0, pid: 1763, name: cat # [ 42.614166] INFO: lockdep[ 49.761356] full_proxy_write+0x53/0x80 is turned off. # [ 42.618541] irq event stamp: 0 # [ 42.6[ 49.771857] vfs_write+0xe7/0x3a0 [ 49.781773] ksys_write+0x68/0xf0 21947] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 49.785475] do_syscall_64+0x30/0x40 # [ 42.628947] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 42.638083] softirqs last [ 49.807539] RIP: 0033:0x7f21ba383833 [ 49.817748] 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 enabled at (0): [] copy_process+0x664/0x1cb0 [ 49.838739] RSP: 002b:00007ffeebaccd58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 49.853410] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f21ba383833 # [ 42.647208] softirqs last disabled at (0): [<00000000000000[ 49.861386] RDX: 0000000000000016 RSI: 00007f21ba276000 RDI: 0000000000000001 00>] 0x0 # [ 42.654206] CPU: 2 PID: 1763 Comm: cat Tainted: G[ 49.875574] RBP: 00007f21ba276000 R08: 00007f21ba275010 R09: 0000000000000000 [ 49.889765] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 D W 5.10.168-cip27 #1 # [ 42.662854] Hardware n[ 49.897742] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ame: Google Rammus/Rammus, BIOS 09/04/2020 # [ 42.669656] Ca[ 49.911948] irq event stamp: 0 ll Trace: # [ 42.672384] dump_stack+0x77/0x9b # [ 42.6760[ 49.921577] hardirqs last enabled at (0): [<0000000000000000>] 0x0 83] ___might_sleep.cold+0xa6/0xb6 # [ 42.686865] exit_signa[ 49.934797] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 ls+0x1c/0x2e0 # [ 42.690853] do_exit+0xc2/0xaf0 # [ 42.69[ 49.950154] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 49.965510] softirqs last disabled at (0): [<0000000000000000>] 0x0 4356] ? ksys_write+0x68/0xf0 # [ 42.698247] make_task_dead+[ 49.972515] ---[ end trace 84f6a6c56e0696be ]--- [ 49.983884] lkdtm: Negative detected: saturated 0x2f/0x30 # [ 42.702324] rewind_stack_and_make_dead+0x17/0x20 # [ 42.707571] RIP: 0033:0x7f4d08db3833 # [ 42.711570] 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 # [ 42.732549] RSP: 002b:00007ffd43f2aa78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 42.741027] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f4d08db3833 # [ 42.748994] RDX: 000000000000000a RSI: 00007f4d08ca6000 RDI: 0000000000000001 # [ 42.756960] RBP: 00007f4d08ca6000 R08: 00007f4d08ca5010 R09: 0000000000000000 # [ 42.764928] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 42.772897] 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 # [ 42.896484] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 42.905211] lkdtm: attempting bad read at 00007fdc39c70000 # [ 42.917576] BUG: unable to handle page fault for address: 00007fdc39c70000 # [ 42.931421] #PF: supervisor read access in kernel mode # [ 42.937154] #PF: error_code(0x0001) - permissions violation # [ 42.943373] PGD 8000000105c06067 P4D 8[ 50.113321] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE [ 50.127047] lkdtm: attempting bad refcount_dec_and_test() below zero [ 50.134155] ------------[ cut here ]------------ [ 50.139316] refcount_t: underflow; use-after-free. [ 50.144694] WARNING: CPU: 1 PID: 2171 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 000000105c06067 PUD 105db9067 PMD 105db8067 PTE 106b7f067 # [ [ 50.154133] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 50.186774] CPU: 1 PID: 2171 Comm: cat Tainted: G D W 5.10.168-cip27 #1 [ 50.195426] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 50.202234] RIP: 0010:refcount_warn_saturate+0xba/0x110 42.953098] Oops: 0001 [#12] SMP PTI # [ 42.957078] CPU: 0 PI[ 50.208071] Code: 01 01 e8 1b f1 94 00 0f 0b c3 cc cc cc cc 80 3d fb e8 93 01 00 75 85 48 c7 c7 b0 d7 c4 8d c6 05 eb e8 93 01 01 e8 f8 f0 94 00 <0f> 0b c3 cc cc cc cc 80 3d d6 e8 93 01 00 0f 85 5e ff ff ff 48 c7 [ 50.235272] RSP: 0018:ffffb6cec2a9fe40 EFLAGS: 00010286 [ 50.241109] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 [ 50.249082] RDX: ffff9f523acac660 RSI: ffff9f523ac9bf70 RDI: ffff9f523ac9bf70 [ 50.257055] RBP: ffffffff8dcb1d60 R08: 0000000000000000 R09: 0000000000000000 [ 50.265027] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 50.272991] R13: ffffb6cec2a9ff10 R14: ffffb6cec2a9ff10 R15: ffff9f51c5dff000 [ 50.280963] FS: 00007f55b4732580(0000) GS:ffff9f523ac80000(0000) knlGS:0000000000000000 [ 50.290003] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.296413] CR2: 00007f55b453b000 CR3: 0000000103f2a001 CR4: 00000000003706e0 [ 50.304385] Call Trace: [ 50.307116] __refcount_sub_and_test.constprop.0+0x3c/0x50 [ 50.313270] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 [ 50.319497] direct_entry.cold+0x2c/0x38 [ 50.323879] full_proxy_write+0x53/0x80 [ 50.328187] vfs_write+0xe7/0x3a0 [ 50.331887] ksys_write+0x68/0xf0 [ 50.335588] do_syscall_64+0x30/0x40 [ 50.339583] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 50.345226] RIP: 0033:0x7f55b4648833 [ 50.349218] 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 [ 50.370206] RSP: 002b:00007ffcdc91e8d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 50.378665] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f55b4648833 [ 50.386642] RDX: 000000000000001f RSI: 00007f55b453b000 RDI: 0000000000000001 [ 50.394637] RBP: 00007f55b453b000 R08: 00007f55b453a010 R09: 0000000000000000 [ 50.402613] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 50.410631] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 50.418622] irq event stamp: 0 [ 50.422061] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 50.429064] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 50.438202] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 50.447342] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 50.454344] ---[ end trace 84f6a6c56e0696bf ]--- [ 50.459501] lkdtm: Negative detected: saturated D: 1798 Comm: cat Tainted: G D W 5.10.168-cip27 #1 # [ 42.965724] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 42.972530] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 # [ 42.978747] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 a8 2f cb 8d e8 3e 96 fd ff 48 c7 c7 d0 2f cb 8d b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 25 96 fd ff 48 89 ee 48 c7 c7 f8 2f cb # [ 42.999723] RSP: 0018:ffffb6cec2467e48 EFLAGS: 00010246 # [ 43.005556] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 # [ 43.013523] RDX: 0000000000000000 RSI: ffff9f523ac1bf70 RDI: ffffffff8dcb2fd0 # [ 43.021489] RBP: 00007fdc39c70000 R08: 0000000000000000 R09: 0000000000000000 # [ 43.029456] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 # [ 43.037424] R13: ffffb6cec2467f10 R14: ffffb6cec2467f10 R15: ffff9f51c4fad000 # [ 43.045383] FS: 00007fdc39c41580(0000) GS:ffff9f523ac00000(0000) knlGS:0000000000000000 # [ 43.054417] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 43.060830] CR2: 00007fdc39c70000 CR3: 0000000103196006 CR4: 00000000003706f0 # [ 43.068797] Call Trace: # [ 43.071526] direct_entry.cold+0x2c/0x38 # [ 43.075909] full_proxy_write+0x53/0x80 # [ 43.080196] vfs_write+0xe7/0x3a0 # [ 43.083898] ksys_write+0x68/0xf0 # [ 43.087586] do_syscall_64+0x30/0x40 # [ 43.091581] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 43.097219] RIP: 0033:0x7fdc39b57833 # [ 43.101207] 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 # [ 43.122182] RSP: 002b:00007ffd63a320c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 43.130636] RAX: ffffffffffffffda RBX: 000000[ 50.638647] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE [ 50.652510] lkdtm: attempting bad refcount_sub_and_test() below zero 0000000011 RCX: 00007fdc39b57833 # [ 43.138594] RDX: 00000000[ 50.659621] ------------[ cut here ]------------ 00000011 RSI: 00007fdc39a4a000 RDI: 0000000000000001 # [ 43.1[ 50.670985] refcount_t: underflow; use-after-free. 46560] RBP: 00007fdc39a4a000 R08: 00007fdc39a49010 R09: 00000000[ 50.682591] WARNING: CPU: 2 PID: 2206 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 00000000 # [ 43.154528] R10: fffffffffffffbc5 R11: 0000000000[ 50.698225] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 000246 R12: 0000000000000001 # [ 43.162494] R13: 000000000000[ 50.730871] CPU: 2 PID: 2206 Comm: cat Tainted: G D W 5.10.168-cip27 #1 0001 R14: 0000000000020000 R15: 0000000000020000 # [ 43.17046[ 50.745742] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 5] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sen[ 50.758768] RIP: 0010:refcount_warn_saturate+0xba/0x110 [ 50.770821] Code: 01 01 e8 1b f1 94 00 0f 0b c3 cc cc cc cc 80 3d fb e8 93 01 00 75 85 48 c7 c7 b0 d7 c4 8d c6 05 eb e8 93 01 01 e8 f8 f0 94 00 <0f> 0b c3 cc cc cc cc 80 3d d6 e8 93 01 00 0f 85 5e ff ff ff 48 c7 sors_core industrialio_triggered_buffer kfifo_buf industrialio c[ 50.791837] RSP: 0018:ffffb6cec2b17e40 EFLAGS: 00010286 ros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cr[ 50.803886] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 [ 50.818077] RDX: ffff9f523ad2c660 RSI: ffff9f523ad1bf70 RDI: ffff9f523ad1bf70 os_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_noti[ 50.826051] RBP: ffffffff8dcb1d80 R08: 0000000000000000 R09: 0000000000000000 fy # [ 43.196897] CR2: 00007fdc39c70000 # [ 43.200593] ---[ 50.840237] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 50.854425] R13: ffffb6cec2b17f10 R14: ffffb6cec2b17f10 R15: ffff9f51c3195000 [ end trace 84f6a6c56e0696b4 ]--- # [ 43.205738] RIP: 0010:lk[ 50.862401] FS: 00007f0cf03f2580(0000) GS:ffff9f523ad00000(0000) knlGS:0000000000000000 dtm_BUG+0x5/0x10 # [ 43.210104] Code: 89 ff e8 fe 60 a3 ff 48[ 50.877653] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 [ 50.890290] CR2: 00007f0cf01fb000 CR3: 0000000103ef0005 CR4: 00000000003706e0 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00[ 50.904480] Call Trace: 00 00 00 0f 1f 44 00 00 83 05 30 39 92 02 # [ 43.231080] RSP[ 50.913427] __refcount_sub_and_test.constprop.0+0x3c/0x50 : 0018:ffffb6cec12efe60 EFLAGS: 00010282 # [ 43.236912] RAX: [ 50.925776] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b ffffffff8cae4d20 RBX: 0000000000000001 RCX: 0000000000000000 # [ 50.938215] direct_entry.cold+0x2c/0x38 [ 43.244879] RDX: 0000000000000000 RSI: ffff9f523ad9bf70 RDI: [ 50.948812] full_proxy_write+0x53/0x80 ffffffff8d8d1110 # [ 43.252847] RBP: ffffffff8dd0d628 R08: 00[ 50.959317] vfs_write+0xe7/0x3a0 00000000000001 R09: 0000000000000001 # [ 43.260814] R10: 0000[ 50.969242] ksys_write+0x68/0xf0 0000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ [ 50.979154] do_syscall_64+0x30/0x40 43.268781] R13: ffffb6cec12eff10 R14: ffffb6cec12eff10 R15: ffff[ 50.989362] entry_SYSCALL_64_after_hwframe+0x61/0xc6 9f51c4e2e000 # [ 43.276739] FS: 00007fdc39c41580(0000) GS:ff[ 51.001222] RIP: 0033:0x7f0cf0308833 ff9f523ac00000(0000) knlGS:0000000000000000 # [ 43.285774] CS[ 51.011433] 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 : 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 43.292187[ 51.038644] RSP: 002b:00007fff1623feb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 ] CR2: 00007fdc39c70000 CR3: 0000000103196006 CR4: 0000000000370[ 51.053323] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f0cf0308833 6f0 # ACCESS_USERSPACE: saw 'call trace:': ok ok 37 selftests:[ 51.067515] RDX: 000000000000001f RSI: 00007f0cf01fb000 RDI: 0000000000000001 lkdtm: ACCESS_USERSPACE.sh # selftests: lkdtm: ACCESS_NULL.sh [ 51.081708] RBP: 00007f0cf01fb000 R08: 00007f0cf01fa010 R09: 0000000000000000 # Killed # [ 43.447946] lkdtm: Performing direct entry ACCES[ 51.095901] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 S_NULL # [ 43.455110] lkdtm: attempting bad read at 000000000[ 51.110095] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0000000 # [ 43.467457] BUG: kernel NULL pointer dereference, [ 51.124294] irq event stamp: 0 address: 0000000000000000 # [ 43.481426] #PF: supervisor read[ 51.133913] hardirqs last enabled at (0): [<0000000000000000>] 0x0 access in kernel mode # [ 43.487160] #PF: error_code(0x0000)[ 51.147138] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 - not-present page # [ 43.492893] PGD 0 P4D 0 # [ 43.495[ 51.162494] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 710] Oops: 0000 [#13] SMP PTI # [ 43.499699] CPU: 0 PID: 1833[ 51.177852] softirqs last disabled at (0): [<0000000000000000>] 0x0 Comm: cat Tainted: G D W 5.10.168-cip27 #1 # [ [ 51.191073] ---[ end trace 84f6a6c56e0696c0 ]--- 43.508347] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020[ 51.202459] lkdtm: Negative detected: saturated # [ 43.515154] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 # [ 43.520399] Code: e2 95 fd ff be 00 10 00 00 48 89 ef e8 6a d4 3c ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 a8 2f cb 8d e8 bc 95 fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 d0 2f cb 8d 48 01 # [ 43.541374] RSP: 0018:ffffb6cec24c7e58 EFLAGS: 00010246 # [ 43.547208] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 # [ 43.555167] RDX: 0000000000000000 RSI: ffff9f523ac1bf70 RDI: ffff9f523ac1bf70 # [ 43.563124] RBP: ffffffff8dcb2099 R08: 0000000000000000 R09: 0000000000000000 # [ 43.571090] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 43.579057] R13: ffffb6cec24c7f10 R14: ffffb6cec24c7f10 R15: ffff9f51c5610000 # [ 43.587024] FS: 00007f6caa45f580(0000) GS:ffff9f523ac00000(0000) knlGS:0000000000000000 # [ 43.596050] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 43.602456] CR2: 0000000000000000 CR3: 000000010400e003 CR4: 00000000003706f0 # [ 43.610421] Call Trace: # [ 43.613148] direct_entry.cold+0x2c/0x38 # [ 43.617531] full_proxy_write+0x53/0x80 # [ 43.621817] vfs_write+0xe7/0x3a0 # [ 43.625520] ksys_write+0x68/0xf0 # [ 43.629216] do_syscall_64+0x30/0x40 # [ 43.633210] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 43.638849] RIP: 0033:0x7f6caa375833 # [ 43.642836] Code: 8b 15 61 26 0e 00 f7 d8 64 89 0[ 51.345471] lkdtm: Performing direct entry REFCOUNT_INC_ZERO [ 51.356798] lkdtm: attempting safe refcount_inc_not_zero() from zero [ 51.363908] lkdtm: Good: zero detected [ 51.368099] lkdtm: Correctly stayed at zero [ 51.372771] lkdtm: attempting bad refcount_inc() from zero [ 51.378900] ------------[ cut here ]------------ [ 51.384055] refcount_t: addition on 0; use-after-free. [ 51.389821] WARNING: CPU: 1 PID: 2238 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 2 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85[ 51.399261] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 51.431904] CPU: 1 PID: 2238 Comm: cat Tainted: G D W 5.10.168-cip27 #1 [ 51.440583] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1[ 51.447395] RIP: 0010:refcount_warn_saturate+0x74/0x110 [ 51.459441] Code: 01 01 e8 61 f1 94 00 0f 0b c3 cc cc cc cc 80 3d 42 e9 93 01 00 75 cb 48 c7 c7 80 d7 c4 8d c6 05 32 e9 93 01 01 e8 3e f1 94 00 <0f> 0b c3 cc cc cc cc 80 3d 21 e9 93 01 00 75 a8 48 c7 c7 58 d7 c4 [ 51.480431] RSP: 0018:ffffb6cec2b97e48 EFLAGS: 00010286 f 40 00 48 83 ec 28 48 89 54 24 18 # [ 43.663812] RSP: 002b:0[ 51.486294] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 [ 51.500485] RDX: ffff9f523acac660 RSI: ffff9f523ac9bf70 RDI: ffff9f523ac9bf70 [ 51.508481] RBP: ffffffff8dcb2121 R08: 0000000000000000 R09: 0000000000000000 [ 51.516456] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 51.524430] R13: ffffb6cec2b97f10 R14: ffffb6cec2b97f10 R15: ffff9f51c2786000 [ 51.532405] FS: 00007f403b118580(0000) GS:ffff9f523ac80000(0000) knlGS:0000000000000000 [ 51.541472] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 0007fff62384018 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [[ 51.547906] CR2: 00007f403af21000 CR3: 0000000103eb8004 CR4: 00000000003706e0 [ 51.562083] Call Trace: [ 51.564815] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 43.672264] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 0[ 51.569808] direct_entry.cold+0x2c/0x38 [ 51.580397] full_proxy_write+0x53/0x80 [ 51.584706] vfs_write+0xe7/0x3a0 [ 51.588437] ksys_write+0x68/0xf0 [ 51.592163] do_syscall_64+0x30/0x40 [ 51.596157] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 51.601801] RIP: 0033:0x7f403b02e833 [ 51.605793] 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 [ 51.626783] RSP: 002b:00007ffee2c0dcc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 51.635243] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f403b02e833 [ 51.643216] RDX: 0000000000000012 RSI: 00007f403af21000 RDI: 0000000000000001 [ 51.651189] RBP: 00007f403af21000 R08: 00007f403af20010 R09: 0000000000000000 [ 51.659163] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 51.667136] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 51.675116] irq event stamp: 0 0007f6caa375833 # [ 43.680231] RDX: 000000000000000c RSI: 000[ 51.678550] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 51.691764] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 51.700929] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 51.710068] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 51.717070] ---[ end trace 84f6a6c56e0696c1 ]--- [ 51.722228] lkdtm: Zero detected: saturated 07f6caa268000 RDI: 0000000000000001 # [ 43.688197] RBP: 00007f6caa268000 R08: 00007f6caa267010 R09: 0000000000000000 # [ 43.696165] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 43.704131] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 43.712103] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 43.738539] CR2: 0000000000000000 # [ 43.742229] ---[ end trace 84f6a6c56e0696b5 ]--- # [ 43.747383] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 43.751758] Code: 89 ff e8 fe 60 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 30 39 92 02 # [ 43.772733] RSP: 0018:ffffb6cec12efe60 EFLAGS: 00010282 # [ 43.778564] RAX: ffffffff8cae4d20 RBX: 0000000000000001 RCX: 0000000000000000 # [ 43.786530] RDX: 0000000000000000 RSI: ffff9f523ad9bf70 RDI: ffffffff8d8d1110 # [ 43.794498] RBP: ffffffff8dd0d628 R08: 0000000000000001 R09: 0000000000000001 # [ 43.802455] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 43.810421] R13: ffffb6cec12eff10 R14: ffffb6cec12eff10 R15: ffff9f51c4e2e000 # [ 43.818388] FS: 00007f6caa45f580(0000) GS:ffff9f523ac00000(0000) knlGS:0000000000000000 # [ 43.827421] CS: 0010 DS: 0000 [ 51.874363] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO [ 51.882444] lkdtm: attempting safe refcount_add_not_zero() from zero ES: 0000 CR0: 0000000080050033 # [ 43.833834] CR2: 0000000000[ 51.889558] lkdtm: Good: zero detected [ 51.899955] lkdtm: Correctly stayed at zero [ 51.904633] lkdtm: attempting bad refcount_add() from zero [ 51.910764] ------------[ cut here ]------------ [ 51.915923] refcount_t: addition on 0; use-after-free. [ 51.921695] WARNING: CPU: 3 PID: 2270 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 000000 CR3: 000000010400e003 CR4: 00000000003706f0 # [ 43.841[ 51.931132] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 51.963779] CPU: 3 PID: 2270 Comm: cat Tainted: G D W 5.10.168-cip27 #1 [ 51.972465] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 51.979276] RIP: 0010:refcount_warn_saturate+0x74/0x110 [ 51.985138] Code: 01 01 e8 61 f1 94 00 0f 0b c3 cc cc cc cc 80 3d 42 e9 93 01 00 75 cb 48 c7 c7 80 d7 c4 8d c6 05 32 e9 93 01 01 e8 3e f1 94 00 <0f> 0b c3 cc cc cc cc 80 3d 21 e9 93 01 00 75 a8 48 c7 c7 58 d7 c4 [ 52.006162] RSP: 0018:ffffb6cec2c17e48 EFLAGS: 00010286 [ 52.012031] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 [ 52.020007] RDX: ffff9f523adac660 RSI: ffff9f523ad9bf70 RDI: ffff9f523ad9bf70 [ 52.027983] RBP: ffffffff8dcb2133 R08: 0000000000000000 R09: 0000000000000000 [ 52.035958] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 52.043932] R13: ffffb6cec2c17f10 R14: ffffb6cec2c17f10 R15: ffff9f51c4e19000 [ 52.051908] FS: 00007f2a717d8580(0000) GS:ffff9f523ad80000(0000) knlGS:0000000000000000 [ 52.060952] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.067372] CR2: 00007f2a715e1000 CR3: 0000000103c86003 CR4: 00000000003706e0 [ 52.075346] Call Trace: [ 52.078079] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 [ 52.083076] direct_entry.cold+0x2c/0x38 [ 52.087493] full_proxy_write+0x53/0x80 801] BUG: sleeping function called from invalid context at inclu[ 52.091808] vfs_write+0xe7/0x3a0 [ 52.101717] ksys_write+0x68/0xf0 [ 52.105450] do_syscall_64+0x30/0x40 [ 52.109445] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 52.115119] RIP: 0033:0x7f2a716ee833 [ 52.119113] 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 [ 52.140104] RSP: 002b:00007fff60a5e238 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 de/linux/percpu-rwsem.h:49 # [ 43.851700] in_atomic(): 0, irq[ 52.148564] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f2a716ee833 s_disabled(): 1, non_block: 0, pid: 1833, name: cat # [ 43.86[ 52.162754] RDX: 0000000000000012 RSI: 00007f2a715e1000 RDI: 0000000000000001 [ 52.176943] RBP: 00007f2a715e1000 R08: 00007f2a715e0010 R09: 0000000000000000 [ 52.184918] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 52.192895] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 52.200876] irq event stamp: 0 0153] INFO: lockdep is turned off. # [ 43.864528] irq event s[ 52.204316] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 52.217564] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 tamp: 0 # [ 43.867933] hardirqs last enabled at (0): [<00000[ 52.226711] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 52.242056] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 52.249058] ---[ end trace 84f6a6c56e0696c2 ]--- [ 52.254215] lkdtm: Zero detected: saturated 00000000000>] 0x0 # [ 43.874930] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 43.884053] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 43.893185] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 43.900182] CPU: 0 PID: 1833 Comm: cat Tainted: G D W 5.10.168-cip27 #1 # [ 43.908828] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 43.915630] Call Trace: # [ 43.918357] dump_stack+0x77/0x9b # [ 43.922060] ___might_sleep.cold+0xa6/0xb6 # [ 43.926636] exit_signals+0x1c/0x2e0 # [ 43.930624] do_exit+0xc2/0xaf0 # [ 43.934127] ? ksys_write+0x68/0xf0 # [ 43.938020] make_task_dead+0x2f/0x30 # [ 43.942103] rewind_stack_and_make_dead+0x17/0x20 # [ 43.947352] RIP: 0033:0x7f6caa375833 # [ 43.951329] 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 # [ 43.972306] RSP: 002b:00007fff62384018 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 43.980750] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f6caa375833 # [ 43.988717] RDX: 000000000000000c RSI: 00007f6caa268000 RDI: 0000000000000001 # [ 43.996683] RBP: 00007f6caa2680[ 52.389000] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED 00 R08: 00007f6caa267010 R09: 0000000000000000 # [ 44.004648][ 52.396284] lkdtm: attempting bad refcount_inc() from saturated R10: fffffffffffffbc5 R11: 0000000000000246 R12: 00000000000000[ 52.409120] ------------[ cut here ]------------ 01 # [ 44.012614] R13: 0000000000000001 R14: 0000000000020000[ 52.420475] refcount_t: saturated; leaking memory. R15: 0000000000020000 # ACCESS_NULL: saw 'call trace:': ok ok[ 52.432054] WARNING: CPU: 2 PID: 2305 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 38 selftests: lkdtm: ACCESS_NULL.sh # selftests: lkdtm: WRITE_[ 52.447689] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify RO.sh # Killed # [ 44.180642] lkdtm: Performing direct entry[ 52.480361] CPU: 2 PID: 2305 Comm: cat Tainted: G D W 5.10.168-cip27 #1 WRITE_RO # [ 44.187677] lkdtm: attempting bad rodata write a[ 52.495204] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 t ffffffff8d8d1590 # [ 44.200821] BUG: unable to handle page [ 52.508226] RIP: 0010:refcount_warn_saturate+0x51/0x110 fault for address: ffffffff8d8d1590 # [ 44.214694] #PF: super[ 52.520278] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 66 e9 93 01 00 75 ee 48 c7 c7 58 d7 c4 8d c6 05 56 e9 93 01 01 e8 61 f1 94 00 <0f> 0b c3 cc cc cc cc 80 3d 42 e9 93 01 00 75 cb 48 c7 c7 80 d7 c4 [ 52.547482] RSP: 0018:ffffb6cec2ca7e48 EFLAGS: 00010286 visor write access in kernel mode # [ 44.220528] #PF: error_c[ 52.553322] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 [ 52.567503] RDX: ffff9f523ad2c660 RSI: ffff9f523ad1bf70 RDI: ffff9f523ad1bf70 ode(0x0003) - permissions violation # [ 44.232963] PGD 15c029[ 52.575478] RBP: ffffffff8dcb2145 R08: 0000000000000000 R09: 0000000000000000 [ 52.589662] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 067 P4D 15c029067 PUD 15c02a063 PMD 800000015ba000e1 # [ 44.[ 52.597639] R13: ffffb6cec2ca7f10 R14: ffffb6cec2ca7f10 R15: ffff9f51c3ebe000 [ 52.611823] FS: 00007fbc4aad4580(0000) GS:ffff9f523ad00000(0000) knlGS:0000000000000000 240743] Oops: 0003 [#14] SMP PTI # [ 44.250944] CPU: 2 PID: 1[ 52.620869] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.633499] CR2: 00007fbc4a8dd000 CR3: 0000000104f1e001 CR4: 00000000003706e0 868 Comm: cat Tainted: G D W 5.10.168-cip27 #1 # [[ 52.641475] Call Trace: 44.259593] Hardware name: Google Rammus/Rammus, BIOS 09/04/2[ 52.650418] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 020 # [ 44.272629] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a # [ [ 52.662084] direct_entry.cold+0x2c/0x38 44.277589] Code: 00 48 c7 c7 88 2e cb 8d 48 c7 c6 90 15 8d 8d e8[ 52.672682] full_proxy_write+0x53/0x80 66 98 fd ff 48 8b 05 c4 6b 79 00 ba 34 12 cd ab 48 c7 c7 b8 2e [ 52.683183] vfs_write+0xe7/0x3a0 cb 8d 48 31 d0 <48> 89 05 ae 6b 79 00 e9 44 98 fd ff 0f 1f 44 00[ 52.693100] ksys_write+0x68/0xf0 00 48 8b 05 3d 39 # [ 44.304787] RSP: 0018:ffffb6cec258fe60 [ 52.703022] do_syscall_64+0x30/0x40 EFLAGS: 00010202 # [ 44.310623] RAX: 000000000198b861 RBX: 00[ 52.713228] entry_SYSCALL_64_after_hwframe+0x61/0xc6 00000000000028 RCX: 0000000000000000 # [ 44.318595] RDX: 0000[ 52.725091] RIP: 0033:0x7fbc4a9ea833 0000abcd1234 RSI: ffff9f523ad1bf70 RDI: ffffffff8dcb2eb8 # [ [ 52.735298] 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 44.326571] RBP: ffffffff8dcb20a5 R08: 0000000000000000 R09: 0000[ 52.762506] RSP: 002b:00007ffda6faae78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 000000000000 # [ 44.334542] R10: 00000000ffffe000 R11: 3fffff[ 52.777183] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fbc4a9ea833 ffffffffff R12: 0000000000000009 # [ 44.342536] R13: ffffb6ce[ 52.791374] RDX: 0000000000000017 RSI: 00007fbc4a8dd000 RDI: 0000000000000001 c258ff10 R14: ffffb6cec258ff10 R15: ffff9f51c5656000 # [ 44.3[ 52.805574] RBP: 00007fbc4a8dd000 R08: 00007fbc4a8dc010 R09: 0000000000000000 50507] FS: 00007ff87a7ee580(0000) GS:ffff9f523ad00000(0000) knl[ 52.819765] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 GS:0000000000000000 # [ 44.359536] CS: 0010 DS: 0000 ES: 000[ 52.833956] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0 CR0: 0000000080050033 # [ 44.365951] CR2: ffffffff8d8d1590 [ 52.848154] irq event stamp: 0 CR3: 0000000105660002 CR4: 00000000003706e0 # [ 44.373921] Ca[ 52.857776] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ll Trace: # [ 44.376649] direct_entry.cold+0x2c/0x38 # [ [ 52.870998] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 44.381028] full_proxy_write+0x53/0x80 # [ 44.385311] vfs_wr[ 52.886355] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 ite+0xe7/0x3a0 # [ 44.395222] ksys_write+0x68/0xf0 # [ 44[ 52.901711] softirqs last disabled at (0): [<0000000000000000>] 0x0 .398922] do_syscall_64+0x30/0x40 # [ 44.402910] entry_SYSCA[ 52.914931] ---[ end trace 84f6a6c56e0696c3 ]--- LL_64_after_hwframe+0x61/0xc6 # [ 44.408571] RIP: 0033:0x7ff8[ 52.926304] lkdtm: Saturation detected: still saturated 7a704833 # [ 44.412572] 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 # [ 44.433570] RSP: 002b:00007ffdc800fec8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 44.442027] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007ff87a704833 # [ 44.449997] RDX: 0000000000000009 RSI: 00007ff87a5f7000 RDI: 0000000000000001 # [ 44.457967] RBP: 00007ff87a5f7000 R08: 00007ff87a5f6010 R09: 0000000000000000 # [ 44.465937] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 44.473907] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 44.481882] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 44.514522] CR2: ffffffff8d8d1590 # [ 44.518221] ---[ end trace 84f6a6c56e0696b6 ]--- # [ 44.523375] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 44.527742] Code: 89 ff e8 fe 60 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 30 39 92 02 # [ 44.548726] RSP: 0018:ffffb6cec12efe60 EFLAGS: 00010282 # [ 44.554573] RAX: ffffffff8cae4d20 RBX: 0000000000000001 RCX: 0000000000000000 # [ 44.562542] RDX: 0000000000000000 RSI: ffff9f523ad9bf70 RDI: ffffffff8d8d1110 # [ 44.570535] RBP: ffffffff8dd0d628 R08: 0000000000000001 R09: 0000000000000001 # [ 44.578505] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 44.586473] R13: f[ 53.106919] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED fffb6cec12eff10 R14: ffffb6cec12eff10 R15: ffff9f51c4e2e000 # [[ 53.119236] lkdtm: attempting bad refcount_dec() from saturated 44.594443] FS: 00007ff87a7ee580(0000) GS:ffff9f523ad00000(00[ 53.132075] ------------[ cut here ]------------ 00) knlGS:0000000000000000 # [ 44.603470] CS: 0010 DS: 0000 [ 53.143438] refcount_t: decrement hit 0; leaking memory. ES: 0000 CR0: 0000000080050033 # [ 44.609884] CR2: ffffffff8d[ 53.155595] WARNING: CPU: 0 PID: 2340 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 8d1590 CR3: 0000000105660002 CR4: 00000000003706e0 # WRITE_RO: [ 53.171267] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify saw 'call trace:': ok ok 39 selftests: lkdtm: WRITE_RO.sh # se[ 53.203938] CPU: 0 PID: 2340 Comm: cat Tainted: G D W 5.10.168-cip27 #1 lftests: lkdtm: WRITE_RO_AFTER_INIT.sh # Killed # [ 44.77901[ 53.218828] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 3] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT # [ 44.[ 53.231876] RIP: 0010:refcount_warn_saturate+0xfb/0x110 785984] lkdtm: attempting bad ro_after_init write at ffffffff8dd[ 53.243931] Code: 08 d8 c4 8d c6 05 c2 e8 93 01 01 e8 d1 f0 94 00 0f 0b c3 cc cc cc cc 48 c7 c7 d8 d7 c4 8d c6 05 a9 e8 93 01 01 e8 b7 f0 94 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 2e330 # [ 44.799805] BUG: unable to handle page fault for add[ 53.271099] RSP: 0018:ffffb6cec2cefe48 EFLAGS: 00010286 ress: ffffffff8dd2e330 # [ 44.813672] #PF: supervisor write a[ 53.283190] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 ccess in kernel mode # [ 44.819504] #PF: error_code(0x0003) -[ 53.297369] RDX: ffff9f523ac2c660 RSI: ffff9f523ac1bf70 RDI: ffff9f523ac1bf70 permissions violation # [ 44.825725] PGD 15c029067 P4D 15c02[ 53.311590] RBP: ffffffff8dcb215c R08: 0000000000000000 R09: 0000000000000000 9067 PUD 15c02a063 PMD 10005c063 PTE 800000015bf2e061 # [ 44.[ 53.325757] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 834767] Oops: 0003 [#15] SMP PTI # [ 44.844967] CPU: 2 PID: 1[ 53.339987] R13: ffffb6cec2ceff10 R14: ffffb6cec2ceff10 R15: ffff9f51c3bc5000 903 Comm: cat Tainted: G D W 5.10.168-cip27 #1 # [[ 53.354167] FS: 00007f7cde7c4580(0000) GS:ffff9f523ac00000(0000) knlGS:0000000000000000 44.853620] Hardware name: Google Rammus/Rammus, BIOS 09/04/2[ 53.369463] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 020 # [ 44.860428] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0[ 53.382088] CR2: 00007f7cde5cd000 CR3: 00000001029a4006 CR4: 00000000003706f0 x5a # [ 44.866456] Code: 2e cb 8d e9 18 98 fd ff 48 c7 c7 10 [ 53.396309] Call Trace: 2f cb 8d e8 0c 98 fd ff 48 8b 05 0a 39 bf 00 ba 34 12 cd ab 48 c[ 53.405318] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f 7 c7 b8 2e cb 8d 48 31 d0 <48> 89 05 f4 38 bf 00 e9 ea 97 fd ff [ 53.416938] direct_entry.cold+0x2c/0x38 0f 1f 44 00 00 41 54 48 c7 c7 # [ 44.893649] RSP: 0018:ffffb6[ 53.427591] full_proxy_write+0x53/0x80 cec2657e60 EFLAGS: 00010202 # [ 44.899484] RAX: 00000000fe674[ 53.438168] vfs_write+0xe7/0x3a0 79e RBX: 0000000000000029 RCX: 0000000000000000 # [ 44.907452[ 53.448048] ksys_write+0x68/0xf0 ] RDX: 00000000abcd1234 RSI: ffff9f523ad1bf70 RDI: ffffffff8dcb2[ 53.457939] do_syscall_64+0x30/0x40 eb8 # [ 44.915421] RBP: ffffffff8dcb20ae R08: 000000000000000[ 53.468135] entry_SYSCALL_64_after_hwframe+0x61/0xc6 0 R09: 0000000000000000 # [ 44.923390] R10: 00000000ffffe000 [ 53.479978] RIP: 0033:0x7f7cde6da833 R11: 3fffffffffffffff R12: 0000000000000014 # [ 44.931359] R1[ 53.490213] 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 3: ffffb6cec2657f10 R14: ffffb6cec2657f10 R15: ffff9f51c40ec000 [ 53.517396] RSP: 002b:00007ffc262c1b48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 44.939320] FS: 00007f99cf7e2580(0000) GS:ffff9f523ad0000[ 53.532104] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f7cde6da833 0(0000) knlGS:0000000000000000 # [ 44.948358] CS: 0010 DS: 0[ 53.546269] RDX: 0000000000000017 RSI: 00007f7cde5cd000 RDI: 0000000000000001 000 ES: 0000 CR0: 0000000080050033 # [ 44.954774] CR2: ffffff[ 53.560489] RBP: 00007f7cde5cd000 R08: 00007f7cde5cc010 R09: 0000000000000000 ff8dd2e330 CR3: 0000000103e52006 CR4: 00000000003706e0 # [ 44[ 53.574652] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 .962743] Call Trace: # [ 44.965471] direct_entry.cold+0x2c/0[ 53.588852] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 x38 # [ 44.969850] full_proxy_write+0x53/0x80 # [ 44.9741[ 53.603032] irq event stamp: 0 33] vfs_write+0xe7/0x3a0 # [ 44.984040] ksys_write+0x68/0xf[ 53.612681] hardirqs last enabled at (0): [<0000000000000000>] 0x0 0 # [ 44.987737] do_syscall_64+0x30/0x40 # [ 44.991726] [ 53.625878] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 44.997366] RIP: [ 53.641246] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 0033:0x7f99cf6f8833 # [ 45.001353] Code: 8b 15 61 26 0e 00 f7[ 53.656602] softirqs last disabled at (0): [<0000000000000000>] 0x0 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 [ 53.669829] ---[ end trace 84f6a6c56e0696c4 ]--- 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77[ 53.681191] lkdtm: Saturation detected: still saturated 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 45.022335] RSP: 002b:00007ffcb838dc18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 45.030791] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f99cf6f8833 # [ 45.038752] RDX: 0000000000000014 RSI: 00007f99cf5eb000 RDI: 0000000000000001 # [ 45.046722] RBP: 00007f99cf5eb000 R08: 00007f99cf5ea010 R09: 0000000000000000 # [ 45.054689] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 45.062659] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 45.070634] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 45.103268] CR2: ffffffff8dd2e330 # [ 45.106965] ---[ end trace 84f6a6c56e0696b7 ]--- # [ 45.112118] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 45.116485] Code: 89 ff e8 fe 60 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 30 39 92 02 # [ 45.137467] RSP: 0018:ffffb6cec12efe60 EFLAGS: 00010282 # [ 45.143292] RAX: ffffffff8cae4d20 RBX: 0000000000000001 RCX: 0000000000000000 # [ 45.151262] RDX: 0000000000000000 RSI: ffff9f523ad9bf70 RDI: ffffffff8d8d1110 # [ 45.159231] RBP: ffffffff8dd0d628 R08: 0000000000000001 R09: 0000000000000001 # [ 45.167200] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 45.175[ 53.845190] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED 162] R13: ffffb6cec12eff10 R14: ffffb6cec12eff10 R15: ffff9f51c4[ 53.855619] lkdtm: attempting bad refcount_dec() from saturated e2e000 # [ 45.183131] FS: 00007f99cf7e2580(0000) GS:ffff9f52[ 53.868420] ------------[ cut here ]------------ 3ad00000(0000) knlGS:0000000000000000 # [ 45.192167] CS: 001[ 53.879777] refcount_t: saturated; leaking memory. 0 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 45.198581] CR2:[ 53.891381] WARNING: CPU: 0 PID: 2375 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 ffffffff8dd2e330 CR3: 0000000103e52006 CR4: 00000000003706e0 #[ 53.907009] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 45.206571] BUG: sleeping function called from invalid conte[ 53.939661] CPU: 0 PID: 2375 Comm: cat Tainted: G D W 5.10.168-cip27 #1 xt at include/linux/percpu-rwsem.h:49 # [ 45.216484] in_atomi[ 53.954519] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 c(): 0, irqs_disabled(): 1, non_block: 0, pid: 1903, name: cat [ 53.967582] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 45.224930] INFO: lockdep is turned off. # [ 45.229306] [ 53.979676] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 66 e9 93 01 00 75 ee 48 c7 c7 58 d7 c4 8d c6 05 56 e9 93 01 01 e8 61 f1 94 00 <0f> 0b c3 cc cc cc cc 80 3d 42 e9 93 01 00 75 cb 48 c7 c7 80 d7 c4 irq event stamp: 0 # [ 45.232710] hardirqs last enabled at ([ 54.006841] RSP: 0018:ffffb6cec2d9fe48 EFLAGS: 00010286 0): [<0000000000000000>] 0x0 # [ 45.239709] hardirqs last dis[ 54.018931] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 abled at (0): [] copy_process+0x664/0x1cb0 # [ 54.033110] RDX: ffff9f523ac2c660 RSI: ffff9f523ac1bf70 RDI: ffff9f523ac1bf70 [ 45.248835] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 45.257968] softirqs last dis[ 54.061474] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 abled at (0): [<0000000000000000>] 0x0 # [ 45.264964] CPU: 2 [ 54.075701] R13: ffffb6cec2d9ff10 R14: ffffb6cec2d9ff10 R15: ffff9f51c31f8000 PID: 1903 Comm: cat Tainted: G D W 5.10.168-cip27 #[ 54.089860] FS: 00007f96c92ea580(0000) GS:ffff9f523ac00000(0000) knlGS:0000000000000000 1 # [ 45.273621] Hardware name: Google Rammus/Rammus, BIOS 0[ 54.105151] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 9/04/2020 # [ 45.280426] Call Trace: # [ 45.283153] dump_[ 54.117761] CR2: 00007f96c90f3000 CR3: 000000010577c006 CR4: 00000000003706f0 stack+0x77/0x9b # [ 45.286853] ___might_sleep.cold+0xa6/0xb6[ 54.131978] Call Trace: # [ 45.297636] exit_signals+0x1c/0x2e0 # [ 45.301625] d[ 54.140910] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 o_exit+0xc2/0xaf0 # [ 45.305129] ? ksys_write+0x68/0xf0 # [[ 54.152608] direct_entry.cold+0x2c/0x38 45.309022] make_task_dead+0x2f/0x30 # [ 45.313108] rewin[ 54.163206] full_proxy_write+0x53/0x80 d_stack_and_make_dead+0x17/0x20 # [ 45.318358] RIP: 0033:0x7f[ 54.173758] vfs_write+0xe7/0x3a0 99cf6f8833 # [ 45.322346] Code: 8b 15 61 26 0e 00 f7 d8 64 89[ 54.183672] ksys_write+0x68/0xf0 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 [ 54.193667] do_syscall_64+0x30/0x40 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f[ 54.203834] entry_SYSCALL_64_after_hwframe+0x61/0xc6 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 45.343330] RSP: 002b[ 54.215763] RIP: 0033:0x7f96c9200833 :00007ffcb838dc18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 #[ 54.225958] 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 [ 45.351785] RAX: ffffffffffffffda RBX: 0000000000000014 RCX:[ 54.253204] RSP: 002b:00007ffddbf16d48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 00007f99cf6f8833 # [ 45.359756] RDX: 0000000000000014 RSI: 0[ 54.267876] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f96c9200833 0007f99cf5eb000 RDI: 0000000000000001 # [ 45.367726] RBP: 000[ 54.282100] RDX: 0000000000000017 RSI: 00007f96c90f3000 RDI: 0000000000000001 07f99cf5eb000 R08: 00007f99cf5ea010 R09: 0000000000000000 # [ [ 54.296284] RBP: 00007f96c90f3000 R08: 00007f96c90f2010 R09: 0000000000000000 45.375695] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 000[ 54.310502] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 0000000000001 # [ 45.383663] R13: 0000000000000001 R14: 00000[ 54.324697] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 00000020000 R15: 0000000000020000 # WRITE_RO_AFTER_INIT: saw 'c[ 54.338899] irq event stamp: 0 all trace:': ok ok 40 selftests: lkdtm: WRITE_RO_AFTER_INIT.sh [ 54.348522] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # selftests: lkdtm: WRITE_KERN.sh # Killed # [ 45.527043] l[ 54.361753] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 kdtm: Performing direct entry WRITE_KERN # [ 45.534041] lkdtm[ 54.377106] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 : attempting bad 6641750 byte write at ffffffff8d13a946 # [ 4[ 54.392476] softirqs last disabled at (0): [<0000000000000000>] 0x0 5.541570] BUG: unable to handle page fault for address: ffffffff[ 54.405673] ---[ end trace 84f6a6c56e0696c5 ]--- 8d13a946 # [ 45.549263] #PF: supervisor write access in kerne[ 54.417076] lkdtm: Saturation detected: still saturated l mode # [ 45.555105] #PF: error_code(0x0003) - permissions violation # [ 45.567537] PGD 15c029067 P4D 15c029067 PUD 15c02a063 PMD 15b2000e1 # [ 45.580851] Oops: 0003 [#16] SMP PTI # [ 45.584843] CPU: 1 PID: 1938 Comm: cat Tainted: G D W 5.10.168-cip27 #1 # [ 45.593494] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 45.606516] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e # [ 45.611669] Code: 53 48 c7 c3 46 a9 13 8d 49 89 dc 48 89 da 49 81 ec f0 50 ae 8c 4c 89 e6 e8 bf 97 fd ff 48 89 df 4c 89 e1 48 c7 c6 f0 50 ae 8c a4 48 c7 c7 b8 2e cb 8d e8 a4 97 fd ff 5b 41 5c e9 b7 fe ff ff # [ 45.632654] RSP: 0018:ffffb6cec26cfe50 EFLAGS: 00010246 # [ 45.638489] RAX: 000000000000003c RBX: ffffffff8d13a946 RCX: 0000000000655856 # [ 45.646450] RDX: 0000000000000000 RSI: ffffffff8cae50f0 RDI: ffffffff8d13a946 # [ 45.654419] RBP: ffffffff8dcb20c2 R08: 0000000000000000 R09: 0000000000000000 # [ 45.662387] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000655856 # [ 45.670356] R13: ffffb6cec26cff10 R14: ffffb6cec26cff10 R15: ffff9f51c5431000 # [ 45.678324] FS: 00007f673cf76580(0000) GS:ffff9f523ac80000(0000) knlGS:0000000000000000 # [ 45.687361] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 4[ 54.552572] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED 5.693777] CR2: ffffffff8d13a946 CR3: 0000000104102005 CR4: 00000[ 54.561092] lkdtm: attempting bad refcount_inc_not_zero() from saturated 000003706e0 # [ 45.701747] Call Trace: # [ 45.704476] dir[ 54.574808] ------------[ cut here ]------------ ect_entry.cold+0x2c/0x38 # [ 45.708854] full_proxy_write+0x5[ 54.586204] refcount_t: saturated; leaking memory. 3/0x80 # [ 45.713136] vfs_write+0xe7/0x3a0 # [ 45.716833][ 54.597805] WARNING: CPU: 0 PID: 2407 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 ksys_write+0x68/0xf0 # [ 45.720531] do_syscall_64+0x30/0x4[ 54.613417] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 0 # [ 45.724520] entry_SYSCALL_64_after_hwframe+0x61/0xc6 #[ 54.646067] CPU: 0 PID: 2407 Comm: cat Tainted: G D W 5.10.168-cip27 #1 [ 45.730160] RIP: 0033:0x7f673ce8c833 # [ 45.734148] Code:[ 54.660931] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f [ 54.673963] RIP: 0010:refcount_warn_saturate+0x97/0x110 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <[ 54.686041] Code: 01 01 e8 3e f1 94 00 0f 0b c3 cc cc cc cc 80 3d 21 e9 93 01 00 75 a8 48 c7 c7 58 d7 c4 8d c6 05 11 e9 93 01 01 e8 1b f1 94 00 <0f> 0b c3 cc cc cc cc 80 3d fb e8 93 01 00 75 85 48 c7 c7 b0 d7 c4 48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 [ 54.713257] RSP: 0018:ffffb6cec2e07e38 EFLAGS: 00010282 18 # [ 45.755131] RSP: 002b:00007ffc03ba4108 EFLAGS: 00000246[ 54.725322] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 ORIG_RAX: 0000000000000001 # [ 45.763588] RAX: fffffffffffff[ 54.739551] RDX: ffff9f523ac2c660 RSI: ffff9f523ac1bf70 RDI: ffff9f523ac1bf70 fda RBX: 000000000000000b RCX: 00007f673ce8c833 # [ 45.771571[ 54.753707] RBP: ffffffff8dcb1da0 R08: 0000000000000000 R09: 0000000000000000 ] RDX: 000000000000000b RSI: 00007f673cd7f000 RDI: 0000000000000[ 54.767996] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 001 # [ 45.779539] RBP: 00007f673cd7f000 R08: 00007f673cd7e01[ 54.782202] R13: ffffb6cec2e07f10 R14: ffffb6cec2e07f10 R15: ffff9f51c5e47000 0 R09: 0000000000000000 # [ 45.787508] R10: fffffffffffffbc5 [ 54.796378] FS: 00007f1ce3462580(0000) GS:ffff9f523ac00000(0000) knlGS:0000000000000000 R11: 0000000000000246 R12: 0000000000000001 # [ 45.795476] R1[ 54.811657] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 3: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 54.824289] CR2: 00007f1ce326b000 CR3: 0000000103cb8004 CR4: 00000000003706f0 # [ 45.803451] Modules linked in: fuse ip_tables cros_ec_sens[ 54.838510] Call Trace: ors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf[ 54.847487] __refcount_add_not_zero.constprop.0+0x2a/0x35 industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cro[ 54.859862] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 s_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev [ 54.872437] direct_entry.cold+0x2c/0x38 cros_usbpd_notify # [ 45.829913] CR2: ffffffff8d13a946 # [ [ 54.883084] full_proxy_write+0x53/0x80 45.839822] ---[ end trace 84f6a6c56e0696b8 ]--- # [ 45.84497[ 54.893643] vfs_write+0xe7/0x3a0 7] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 45.849353] Code: 89 ff e8[ 54.903552] ksys_write+0x68/0xf0 fe 60 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 [ 54.913478] do_syscall_64+0x30/0x40 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66[ 54.923694] entry_SYSCALL_64_after_hwframe+0x61/0xc6 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 30 39 92 02 # [ [ 54.935549] RIP: 0033:0x7f1ce3378833 45.870335] RSP: 0018:ffffb6cec12efe60 EFLAGS: 00010282 # [ 4[ 54.945780] 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 5.876169] RAX: ffffffff8cae4d20 RBX: 0000000000000001 RCX: 00000[ 54.972954] RSP: 002b:00007ffd76c97be8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 00000000000 # [ 45.884139] RDX: 0000000000000000 RSI: ffff9f5[ 54.987641] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f1ce3378833 23ad9bf70 RDI: ffffffff8d8d1110 # [ 45.892108] RBP: ffffffff8[ 55.001829] RDX: 0000000000000020 RSI: 00007f1ce326b000 RDI: 0000000000000001 dd0d628 R08: 0000000000000001 R09: 0000000000000001 # [ 45.90[ 55.016007] RBP: 00007f1ce326b000 R08: 00007f1ce326a010 R09: 0000000000000000 0078] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000[ 55.030187] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 0000004 # [ 45.908047] R13: ffffb6cec12eff10 R14: ffffb6cec12[ 55.044413] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 eff10 R15: ffff9f51c4e2e000 # [ 45.916016] FS: 00007f673cf76[ 55.058608] irq event stamp: 0 580(0000) GS:ffff9f523ac80000(0000) knlGS:0000000000000000 # [ [ 55.068251] hardirqs last enabled at (0): [<0000000000000000>] 0x0 45.925054] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.081432] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 45.931470] CR2: ffffffff8d13a946 CR3: 0000000104102005 CR4[ 55.096800] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 : 00000000003706e0 # WRITE_KERN: saw 'call trace:': ok ok 41 s[ 55.112155] softirqs last disabled at (0): [<0000000000000000>] 0x0 elftests: lkdtm: WRITE_KERN.sh # selftests: lkdtm: REFCOUNT_INC[ 55.125414] ---[ end trace 84f6a6c56e0696c6 ]--- _OVERFLOW.sh # [ 46.068757] lkdtm: Performing direct entry RE[ 55.136759] lkdtm: Saturation detected: still saturated FCOUNT_INC_OVERFLOW # [ 46.076756] lkdtm: attempting good refcount_inc() without overflow # [ 46.089884] lkdtm: attempting bad refcount_inc() overflow # [ 46.102124] ------------[ cut here ]------------ # [ 46.113458] refcount_t: saturated; leaking memory. # [ 46.125088] WARNING: CPU: 0 PID: 1973 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 46.140740] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 46.173385] CPU: 0 PID: 1973 Comm: cat Tainted: G D W 5.10.168-cip27 #1 # [ 46.188220] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 46.201285] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 46.213325] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 66 e9 93 01 00 75 ee 48 c7 c7 58 d7 c4 8d c6 05 56 e9 93 01 01 e8 61 f1 94 00 <0f> 0b c3 cc cc cc cc 80 3d 42 e9 93 01 00 75 cb 48 c7 c7 80 d7 c4 # [ 46.240560] RSP: 0018:ffffb6cec277fe48 EFLAGS: 00010286 # [ 46.252656] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 # [ 46.266804] RDX: ffff9f523ac2c660 RSI: ffff9f523ac1bf70 RDI: ffff9f523ac1bf70 # [ 46.281012] RBP: ffffffff8dcb20cd R08: 0000000000000000 R09: 0000000000000000 # [ 46.295180] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000[ 55.285480] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED 0000000016 # [ 46.309402] R13: ffffb6cec277ff10 R14: ffffb6ce[ 55.299474] lkdtm: attempting bad refcount_add_not_zero() from saturated c277ff10 R15: ffff9f51c5561000 # [ 46.323554] FS: 00007f2e2f[ 55.313211] ------------[ cut here ]------------ 2ff580(0000) GS:ffff9f523ac00000(0000) knlGS:0000000000000000 #[ 55.324581] refcount_t: saturated; leaking memory. [ 46.338839] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003[ 55.336180] WARNING: CPU: 0 PID: 2439 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 3 # [ 46.351453] CR2: 00007f2e2f108000 CR3: 0000000104e16006 [ 55.351832] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify CR4: 00000000003706f0 # [ 46.365650] Call Trace: # [ 46.37[ 55.384475] CPU: 0 PID: 2439 Comm: cat Tainted: G D W 5.10.168-cip27 #1 4591] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 # [ 46.386153] [ 55.399340] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 direct_entry.cold+0x2c/0x38 # [ 46.396747] full_proxy_write+[ 55.412364] RIP: 0010:refcount_warn_saturate+0x97/0x110 0x53/0x80 # [ 46.407256] vfs_write+0xe7/0x3a0 # [ 46.4171[ 55.424416] Code: 01 01 e8 3e f1 94 00 0f 0b c3 cc cc cc cc 80 3d 21 e9 93 01 00 75 a8 48 c7 c7 58 d7 c4 8d c6 05 11 e9 93 01 01 e8 1b f1 94 00 <0f> 0b c3 cc cc cc cc 80 3d fb e8 93 01 00 75 85 48 c7 c7 b0 d7 c4 65] ksys_write+0x68/0xf0 # [ 46.427092] do_syscall_64+0x30/[ 55.451659] RSP: 0018:ffffb6cec2e87e38 EFLAGS: 00010282 0x40 # [ 46.437289] entry_SYSCALL_64_after_hwframe+0x61/0xc6[ 55.463675] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 46.449155] RIP: 0033:0x7f2e2f215833 # [ 46.459352] Co[ 55.477897] RDX: ffff9f523ac2c660 RSI: ffff9f523ac1bf70 RDI: ffff9f523ac1bf70 de: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 [ 55.492107] RBP: ffffffff8dcb1dc0 R08: 0000000000000000 R09: 0000000000000000 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 0[ 55.506277] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 5 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 [ 55.520452] R13: ffffb6cec2e87f10 R14: ffffb6cec2e87f10 R15: ffff9f51c4ff5000 24 18 # [ 46.486576] RSP: 002b:00007ffcca052e58 EFLAGS: 00000[ 55.534683] FS: 00007f29ed9c7580(0000) GS:ffff9f523ac00000(0000) knlGS:0000000000000000 246 ORIG_RAX: 0000000000000001 # [ 46.501227] RAX: ffffffffff[ 55.549955] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 ffffda RBX: 0000000000000016 RCX: 00007f2e2f215833 # [ 46.515[ 55.562609] CR2: 00007f29ed7d0000 CR3: 0000000105eba001 CR4: 00000000003706f0 432] RDX: 0000000000000016 RSI: 00007f2e2f108000 RDI: 0000000000[ 55.576818] Call Trace: 000001 # [ 46.529600] RBP: 00007f2e2f108000 R08: 00007f2e2f10[ 55.585818] __refcount_add_not_zero.constprop.0+0x2a/0x35 7010 R09: 0000000000000000 # [ 46.543807] R10: fffffffffffffb[ 55.598140] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 c5 R11: 0000000000000246 R12: 0000000000000001 # [ 46.557983][ 55.610730] direct_entry.cold+0x2c/0x38 R13: 0000000000000001 R14: 0000000000020000 R15: 00000000000200[ 55.621332] full_proxy_write+0x53/0x80 00 # [ 46.572201] irq event stamp: 0 # [ 46.581798] hardir[ 55.631882] vfs_write+0xe7/0x3a0 qs last enabled at (0): [<0000000000000000>] 0x0 # [ 46.5950[ 55.641773] ksys_write+0x68/0xf0 28] hardirqs last disabled at (0): [] copy_pro[ 55.651719] do_syscall_64+0x30/0x40 cess+0x664/0x1cb0 # [ 46.610359] softirqs last enabled at (0[ 55.661908] entry_SYSCALL_64_after_hwframe+0x61/0xc6 ): [] copy_process+0x664/0x1cb0 # [ 46.6257[ 55.673840] RIP: 0033:0x7f29ed8dd833 37] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [[ 55.684027] 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 46.638936] ---[ end trace 84f6a6c56e0696b9 ]--- # [ 46.650[ 55.711311] RSP: 002b:00007ffcbddee028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 344] lkdtm: Overflow detected: saturated # REFCOUNT_INC_OVERFLO[ 55.725975] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f29ed8dd833 W: saw 'call trace:': ok ok 42 selftests: lkdtm: REFCOUNT_INC_O[ 55.740204] RDX: 0000000000000020 RSI: 00007f29ed7d0000 RDI: 0000000000000001 VERFLOW.sh # selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh # [ [ 55.754391] RBP: 00007f29ed7d0000 R08: 00007f29ed7cf010 R09: 0000000000000000 46.804926] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW [ 55.768587] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 46.817629] lkdtm: attempting good refcount_add() without [ 55.782758] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 overflow # [ 46.830750] lkdtm: attempting bad refcount_add() [ 55.797002] irq event stamp: 0 overflow # [ 46.843019] ------------[ cut here ]------------ [ 55.806601] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 46.854387] refcount_t: saturated; leaking memory. # [ [ 55.819872] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 46.865970] WARNING: CPU: 0 PID: 2005 at lib/refcount.c:22 refcou[ 55.835182] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 nt_warn_saturate+0x51/0x110 # [ 46.881591] Modules linked in:[ 55.850622] softirqs last disabled at (0): [<0000000000000000>] 0x0 fuse ip_tables cros_ec_sensors cros_ec_sensors_core industriali[ 55.863866] ---[ end trace 84f6a6c56e0696c7 ]--- o_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_[ 55.875190] lkdtm: Saturation detected: still saturated lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 46.914261] CPU: 0 PID: 2005 Comm: cat Tainted: G D W 5.10.168-cip27 #1 # [ 46.929134] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 46.942168] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 46.954213] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 66 e9 93 01 00 75 ee 48 c7 c7 58 d7 c4 8d c6 05 56 e9 93 01 01 e8 61 f1 94 00 <0f> 0b c3 cc cc cc cc 80 3d 42 e9 93 01 00 75 cb 48 c7 c7 80 d7 c4 # [ 46.981415] RSP: 0018:ffffb6cec280fe48 EFLAGS: 00010286 # [ 46.993501] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 # [ 47.007706] RDX: ffff9f523ac2c660 RSI: ffff9f523ac1bf70 RDI: ffff9f523ac1bf70 # [ 47.021972] RBP: ffffffff8dcb20e3 R08: 0000000000000000 R09: 0000000000000000 # [ 47.036119] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 47.050312] R13: ffffb6cec280ff10 R14: ffffb6cec280ff10 R15: ffff9f51c552d000 # [ 47.064494] FS: 00007fc2580db580(0000) GS:ffff9f523ac00000(0000) knlGS:0000000000000000 # [ 47.079813] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 47.092401] CR2: 00007fc257ee4000 CR3: 00000001054a8005 CR4: 00000000003706f0 # [ 47.106592] Call Trace: # [ 47.115532] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 # [ 47.127114] direct_entry.cold+0x2c/0x38 # [ 47.137686] full_proxy_write+0x53/0x80 # [ 47.148204] vfs_write+0xe7/0x3a0 # [ 47.158108] ksys_write+0x68[ 56.032171] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED [ 56.044165] lkdtm: attempting bad refcount_dec_and_test() from saturated [ 56.051706] ------------[ cut here ]------------ /0xf0 # [ 47.168040] do_syscall_64+0x30/0x40 # [ 47.17823[ 56.056865] refcount_t: underflow; use-after-free. [ 56.068454] WARNING: CPU: 1 PID: 2474 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 7] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 47.190108] R[ 56.077896] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 56.110540] CPU: 1 PID: 2474 Comm: cat Tainted: G D W 5.10.168-cip27 #1 [ 56.119221] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 56.126029] RIP: 0010:refcount_warn_saturate+0xba/0x110 [ 56.131867] Code: 01 01 e8 1b f1 94 00 0f 0b c3 cc cc cc cc 80 3d fb e8 93 01 00 75 85 48 c7 c7 b0 d7 c4 8d c6 05 eb e8 93 01 01 e8 f8 f0 94 00 <0f> 0b c3 cc cc cc cc 80 3d d6 e8 93 01 00 0f 85 5e ff ff ff 48 c7 [ 56.152858] RSP: 0018:ffffb6cec2f0fe40 EFLAGS: 00010286 IP: 0033:0x7fc257ff1833 # [ 47.200291] Code: 8b 15 61 26 0e 0[ 56.158701] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 0 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25[ 56.172890] RDX: ffff9f523acac660 RSI: ffff9f523ac9bf70 RDI: ffff9f523ac9bf70 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff f[ 56.187079] RBP: ffffffff8dcb1de0 R08: 0000000000000000 R09: 0000000000000000 [ 56.201270] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 56.209245] R13: ffffb6cec2f0ff10 R14: ffffb6cec2f0ff10 R15: ffff9f51c3bc7000 [ 56.217219] FS: 00007f5ccaaf5580(0000) GS:ffff9f523ac80000(0000) knlGS:0000000000000000 [ 56.226262] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.232685] CR2: 00007f5cca8fe000 CR3: 0000000104e44003 CR4: 00000000003706e0 f 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 47.2274[ 56.240690] Call Trace: [ 56.249630] __refcount_sub_and_test.constprop.0+0x3c/0x50 [ 56.255791] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 [ 56.262116] direct_entry.cold+0x2c/0x38 [ 56.266497] full_proxy_write+0x53/0x80 [ 56.270782] vfs_write+0xe7/0x3a0 [ 56.274482] ksys_write+0x68/0xf0 [ 56.278185] do_syscall_64+0x30/0x40 [ 56.282177] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 56.287821] RIP: 0033:0x7f5ccaa0b833 [ 56.291814] 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 [ 56.312805] RSP: 002b:00007fff982cc9f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 56.321267] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f5ccaa0b833 [ 56.329239] RDX: 0000000000000020 RSI: 00007f5cca8fe000 RDI: 0000000000000001 [ 56.337213] RBP: 00007f5cca8fe000 R08: 00007f5cca8fd010 R09: 0000000000000000 [ 56.345188] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 56.353162] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 56.361140] irq event stamp: 0 [ 56.364580] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 56.371586] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 56.380726] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 56.389865] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 56.396869] ---[ end trace 84f6a6c56e0696c8 ]--- [ 56.402024] lkdtm: Saturation detected: still saturated 92] RSP: 002b:00007ffe5bb90a18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 47.242153] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fc257ff1833 # [ 47.256348] RDX: 0000000000000016 RSI: 00007fc257ee4000 RDI: 0000000000000001 # [ 47.270513] RBP: 00007fc257ee4000 R08: 00007fc257ee3010 R09: 0000000000000000 # [ 47.284715] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 47.298888] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 47.313096] irq event stamp: 0 # [ 47.322693] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 47.335928] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 47.351265] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 47.366625] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 47.379834] ---[ end trace 84f6a6c56e0696ba ]--- # [ 47.391234] 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 # [ 47.528198] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 47.540588] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 47.553738] ------------[ cut here ]------------ # [ 47.565108] refcount_t: saturated; leaking memory. # [ 47.576686] WARNING: CPU: 0 PID: 2037 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 47.592335] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_li[ 56.565886] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED ghtbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg[ 56.577359] lkdtm: attempting bad refcount_sub_and_test() from saturated _temp_thermal cros_ec_dev cros_usbpd_notify # [ 47.625005] CP[ 56.591037] ------------[ cut here ]------------ U: 0 PID: 2037 Comm: cat Tainted: G D W 5.10.168-ci[ 56.602416] refcount_t: underflow; use-after-free. p27 #1 # [ 47.639862] Hardware name: Google Rammus/Rammus, BI[ 56.614001] WARNING: CPU: 0 PID: 2509 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 OS 09/04/2020 # [ 47.652888] RIP: 0010:refcount_warn_saturat[ 56.629645] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify e+0x97/0x110 # [ 47.664985] Code: 01 01 e8 3e f1 94 00 0f 0b [ 56.662296] CPU: 0 PID: 2509 Comm: cat Tainted: G D W 5.10.168-cip27 #1 c3 cc cc cc cc 80 3d 21 e9 93 01 00 75 a8 48 c7 c7 58 d7 c4 8d c[ 56.677165] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 6 05 11 e9 93 01 01 e8 1b f1 94 00 <0f> 0b c3 cc cc cc cc 80 3d [ 56.690200] RIP: 0010:refcount_warn_saturate+0xba/0x110 fb e8 93 01 00 75 85 48 c7 c7 b0 d7 c4 # [ 47.692196] RSP: 00[ 56.702252] Code: 01 01 e8 1b f1 94 00 0f 0b c3 cc cc cc cc 80 3d fb e8 93 01 00 75 85 48 c7 c7 b0 d7 c4 8d c6 05 eb e8 93 01 01 e8 f8 f0 94 00 <0f> 0b c3 cc cc cc cc 80 3d d6 e8 93 01 00 0f 85 5e ff ff ff 48 c7 18:ffffb6cec2887e38 EFLAGS: 00010282 # [ 47.704263] RAX: 0000[ 56.729469] RSP: 0018:ffffb6cec2f6fe40 EFLAGS: 00010286 000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ [ 56.741519] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 47.718493] RDX: ffff9f523ac2c660 RSI: ffff9f523ac1bf70 RDI: ffff[ 56.755699] RDX: ffff9f523ac2c660 RSI: ffff9f523ac1bf70 RDI: ffff9f523ac1bf70 9f523ac1bf70 # [ 47.732648] RBP: ffffffff8dcb1d20 R08: 000000[ 56.769907] RBP: ffffffff8dcb1e00 R08: 0000000000000000 R09: 0000000000000000 0000000000 R09: 0000000000000000 # [ 47.746866] R10: 00000000[ 56.784097] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 47.7[ 56.798297] R13: ffffb6cec2f6ff10 R14: ffffb6cec2f6ff10 R15: ffff9f51c5e94000 61038] R13: ffffb6cec2887f10 R14: ffffb6cec2887f10 R15: ffff9f51[ 56.812484] FS: 00007fdbb45d0580(0000) GS:ffff9f523ac00000(0000) knlGS:0000000000000000 c3d2e000 # [ 47.775220] FS: 00007f8efffb8580(0000) GS:ffff9f[ 56.827751] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 523ac00000(0000) knlGS:0000000000000000 # [ 47.790471] CS: 0[ 56.840375] CR2: 00007fdbb43d9000 CR3: 000000010409a004 CR4: 00000000003706f0 010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 47.803087] CR[ 56.854589] Call Trace: 2: 00007f8effdc1000 CR3: 0000000103ce4002 CR4: 00000000003706f0 [ 56.863548] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 47.817284] Call Trace: # [ 47.826254] __refcount_add_[ 56.875903] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 not_zero.constprop.0+0x2a/0x35 # [ 47.838625] lkdtm_REFCOUNT[ 56.888515] direct_entry.cold+0x2c/0x38 _INC_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 47.851067] direct_entry[ 56.899062] full_proxy_write+0x53/0x80 .cold+0x2c/0x38 # [ 47.861715] full_proxy_write+0x53/0x80 #[ 56.909595] vfs_write+0xe7/0x3a0 [ 47.872194] vfs_write+0xe7/0x3a0 # [ 47.882161] ksys_wr[ 56.919488] ksys_write+0x68/0xf0 ite+0x68/0xf0 # [ 47.892078] do_syscall_64+0x30/0x40 # [ [ 56.929447] do_syscall_64+0x30/0x40 47.902315] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 47.9[ 56.939619] entry_SYSCALL_64_after_hwframe+0x61/0xc6 14146] RIP: 0033:0x7f8effece833 # [ 47.924365] Code: 8b 15 61[ 56.951485] RIP: 0033:0x7fdbb44e6833 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 [ 56.961680] 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 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00[ 56.988906] RSP: 002b:00007ffe8d7ef808 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ [ 57.003564] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fdbb44e6833 47.951586] RSP: 002b:00007ffd84adcaa8 EFLAGS: 00000246 ORIG_RAX[ 57.017766] RDX: 0000000000000020 RSI: 00007fdbb43d9000 RDI: 0000000000000001 : 0000000000000001 # [ 47.966304] RAX: ffffffffffffffda RBX: [ 57.031936] RBP: 00007fdbb43d9000 R08: 00007fdbb43d8010 R09: 0000000000000000 000000000000001f RCX: 00007f8effece833 # [ 47.980475] RDX: 00[ 57.046177] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 0000000000001f RSI: 00007f8effdc1000 RDI: 0000000000000001 # [ [ 57.060330] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 47.994696] RBP: 00007f8effdc1000 R08: 00007f8effdc0010 R09: 00[ 57.074561] irq event stamp: 0 00000000000000 # [ 48.008883] R10: fffffffffffffbc5 R11: 0000[ 57.084157] hardirqs last enabled at (0): [<0000000000000000>] 0x0 000000000246 R12: 0000000000000001 # [ 48.023123] R13: 000000[ 57.097382] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 0000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 48[ 57.112734] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 .037292] irq event stamp: 0 # [ 48.046946] hardirqs last ena[ 57.128098] softirqs last disabled at (0): [<0000000000000000>] 0x0 bled at (0): [<0000000000000000>] 0x0 # [ 48.060138] hardirqs[ 57.141306] ---[ end trace 84f6a6c56e0696c9 ]--- last disabled at (0): [] copy_process+0x664/0[ 57.152684] lkdtm: Saturation detected: still saturated x1cb0 # [ 48.075491] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 48.090861] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 48.104114] ---[ end trace 84f6a6c56e0696bb ]--- # [ 48.115484] 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 # [ 48.258675] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 48.271085] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 48.278040] ------------[ cut here ]------------ # [ 48.283221] refcount_t: saturated; leaking memory. # [ 48.288605] WARNING: CPU: 1 PID: 2069 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 48.304235] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 48.330689] CPU: 1 PID: 2069 Comm: cat Tainted: G D W 5.10.168-cip27 #1 # [ 48.339365] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 48.346176] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 48.352017] Code: 01 01 e8 3e f1 94 00 0f 0b c3 cc cc cc cc 80 3d 21 e9 93 01 00 75 a8 48 c7 c7 58 d7 c4 8d c6 05 11 e9 93 01 01 e8 1b f1 94 00 <0f> 0b c3 cc cc cc cc 80 3d fb e8 93 01 00 75 85 48 c7 c7 b0 d7 c4 # [ 48.373036] RSP: 0018:ffffb6cec292fe38 EFLAGS: 00010282 # [ 48.378875] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 48.386850] RDX: ffff9f523acac660 RSI: ffff9f523ac9bf70 RDI: ffff9f523ac9bf70 # [ 48.401039] RBP: ffffffff8dcb1d40 R08: 0000000000000000 R09: 0000000000000000 # [ 48.415230] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 48.429420] R13: ffffb6cec292ff10 R14: ffff[ 57.352657] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO [ 57.364088] lkdtm: attempting good copy_to_user of correct size [ 57.370712] lkdtm: attempting bad copy_to_user of too large size b6cec292ff10 R15: ffff9f51c3bfe000 # [ 48.437395] FS: 00007efd43e62580(0000) GS:ffff9f523ac80000(0000) knlGS:0000000000000000 # [ 48.446436] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 48.452856] CR2: 00007efd43c6b000 CR3: 0000000103cb8003 CR4: 00000000003706e0 # [ 48.460851] Call Trace: # [ 48.463598] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 48.475931] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 48.482181] direct_entry.cold+0x2c/0x38 # [ 48.486577] full_proxy_write+0x53/0x80 # [ 48.497079] vfs_write+0xe7/0x3a0 # [ 48.500781] ksys_write+0x68/0xf0 # [ 48.504482] do_syscall_64+0x30/0x40 # [ 48.508475] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 48.514119] RIP: 0033:0x7efd43d78833 # [ 48.518109] 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 # [ 48.539096] RSP: 002b:00007ffcb825d6b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 48.547574] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007efd43d78833 # [ 48.555565] RDX: 000000000000001f RSI: 00007efd43c6b000 RDI: 0000000000000001 # [ 48.563549] RBP: 00007efd43c6b000 R08: 00007efd43c6a010 R09: 0000000000000000 # [ 48.577733] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 57.508012] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM [ 48.585707] R13: 0000000000000001 R14: 0000000000020000 R15: [ 57.521126] lkdtm: attempting good copy_from_user of correct size 0000000000020000 # [ 48.593684] irq event stamp: 0 # [ 48.[ 57.534153] lkdtm: attempting bad copy_from_user of too large size 597121] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 48.604125] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 48.613264] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 48.622404] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 48.629404] ---[ end trace 84f6a6c56e0696bc ]--- # [ 48.634575] 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 # [ 48.756996] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 48.764102] lkdtm: attempting good refcount_dec() # [ 48.775634] lkdtm: attempting bad refcount_dec() to zero # [ 48.787736] ------------[ cut here ]------------ # [ 48.799192] refcount_t: decrement hit 0; leaking memory. # [ 48.811308] WARNING: CPU: 0 PID: 2101 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 48.827036] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 48.859605] CPU: 0 PID: 2101 Comm: cat Tainted: G D W 5.10.168-cip27 #1 # [ 48.874522] Hardware name: Google Ram[ 57.680856] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO mus/Rammus, BIOS 09/04/2020 # [ 48.887531] RIP: 0010:refcoun[ 57.691296] lkdtm: attempting good copy_to_user inside whitelist t_warn_saturate+0xfb/0x110 # [ 48.899632] Code: 08 d8 c4 8d c[ 57.704256] lkdtm: attempting bad copy_to_user outside whitelist 6 05 c2 e8 93 01 01 e8 d1 f0 94 00 0f 0b c3 cc cc cc cc 48 c7 c7 d8 d7 c4 8d c6 05 a9 e8 93 01 01 e8 b7 f0 94 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 48.926826] RSP: 0018:ffffb6cec29a7e48 EFLAGS: 00010286 # [ 48.938924] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 # [ 48.953102] RDX: ffff9f523ac2c660 RSI: ffff9f523ac1bf70 RDI: ffff9f523ac1bf70 # [ 48.967318] RBP: ffffffff8dcb20f9 R08: 0000000000000000 R09: 0000000000000000 # [ 48.981512] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 48.995736] R13: ffffb6cec29a7f10 R14: ffffb6cec29a7f10 R15: ffff9f51c4090000 # [ 49.009919] FS: 00007f2495689580(0000) GS:ffff9f523ac00000(0000) knlGS:0000000000000000 # [ 49.025216] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 49.037870] CR2: 00007f2495492000 CR3: 0000000105c78006 CR4: 00000000003706f0 # [ 49.052096] Call Trace: # [ 49.061037] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd # [ 49.072242] direct_entry.cold+0x2c/0x38 # [ 49.082839] full_proxy_write+0x53/0x80 # [ 49.093376] vfs_write+0xe7/0x3a0 # [ 49.103281] ksys_write+0x68/0xf0 # [ 49.113253] do_syscall_64+0x30/0x40 # [ 49.123445] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 49.135333] RIP: 0033:0x7f249559f833 # [ 49.145574] 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[ 57.856610] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ [ 57.867588] lkdtm: attempting good copy_from_user inside whitelist 49.172766] RSP: 002b:00007fffeb066708 EFLAGS: 00000246 ORIG_RAX[ 57.880746] lkdtm: attempting bad copy_from_user outside whitelist : 0000000000000001 # [ 49.187504] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f249559f833 # [ 49.201636] RDX: 0000000000000012 RSI: 00007f2495492000 RDI: 0000000000000001 # [ 49.215850] RBP: 00007f2495492000 R08: 00007f2495491010 R09: 0000000000000000 # [ 49.230017] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 49.244233] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 49.258404] irq event stamp: 0 # [ 49.268048] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 49.281268] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 49.296664] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 49.311988] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 49.325245] ---[ end trace 84f6a6c56e0696bd ]--- # [ 49.336649] 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 # [ 49.464209] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 49.472305] lkdtm: attempting bad refcount_dec() below zero # [ 49.484764] ------------[ cut here ]------------ # [ 49.496120] refcount_t: decrement hit 0; leaking memory. # [ 49.508295] WARNING: CPU: 2 PID: 2136 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 49.523915] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev [ 58.043363] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO [ 58.056429] lkdtm: good_stack: ffffb6cec3387e20-ffffb6cec3387e40 [ 58.063153] lkdtm: bad_stack : ffffb6cec3387da8-ffffb6cec3387dc8 [ 58.069881] lkdtm: attempting good copy_to_user of local stack [ 58.076411] lkdtm: attempting bad copy_to_user of distant stack cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 49.556577] CPU: 2 PID: 2136 Comm: cat Tainted: G D W 5.10.168-cip27 #1 # [ 49.571437] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 49.578249] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 49.590299] Code: 08 d8 c4 8d c6 05 c2 e8 93 01 01 e8 d1 f0 94 00 0f 0b c3 cc cc cc cc 48 c7 c7 d8 d7 c4 8d c6 05 a9 e8 93 01 01 e8 b7 f0 94 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 49.617530] RSP: 0018:ffffb6cec2a27e48 EFLAGS: 00010286 # [ 49.623393] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 # [ 49.637593] RDX: ffff9f523ad2c660 RSI: ffff9f523ad1bf70 RDI: ffff9f523ad1bf70 # [ 49.651782] RBP: ffffffff8dcb210b R08: 0000000000000000 R09: 0000000000000000 # [ 49.665987] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 49.680176] R13: ffffb6cec2a27f10 R14: ffffb6cec2a27f10 R15: ffff9f51c5ccc000 # [ 49.694367] FS: 00007f21ba46d580(0000) GS:ffff9f523ad00000(0000) knlGS:0000000000000000 # [ 49.703412] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 49.716067] CR2: 00007f21ba276000 CR3: 0000000102906004 CR4: 00000000003706e0 # [ 49.730241] Call Trace: # [ 49.739189] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 # [ 49.750758] direct_entry.cold+0x2c/0x38 # [ 49.761356] full_proxy_write+0x53/0x80 # [ 49.771857] vfs_write+0xe7/0[ 58.221147] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM x3a0 # [ 49.781773] ksys_write+0x68/0xf0 # [ 49.785475] [ 58.233147] lkdtm: good_stack: ffffb6cec33ffe20-ffffb6cec33ffe40 do_syscall_64+0x30/0x40 # [ 49.795677] entry_SYSCALL_64_afte[ 58.246102] lkdtm: bad_stack : ffffb6cec33ffda8-ffffb6cec33ffdc8 r_hwframe+0x61/0xc6 # [ 49.807539] RIP: 0033:0x7f21ba383833 [ 58.259039] lkdtm: attempting good copy_from_user of local stack # [ 49.817748] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0[ 58.271957] lkdtm: attempting bad copy_from_user of distant stack ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 49.838739] RSP: 002b:00007ffeebaccd58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 49.853410] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f21ba383833 # [ 49.861386] RDX: 0000000000000016 RSI: 00007f21ba276000 RDI: 0000000000000001 # [ 49.875574] RBP: 00007f21ba276000 R08: 00007f21ba275010 R09: 0000000000000000 # [ 49.889765] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 49.897742] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 49.911948] irq event stamp: 0 # [ 49.921577] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 49.934797] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 49.950154] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 49.965510] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 49.972515] ---[ end trace 84f6a6c56e0696be ]--- # [ 49.983884] lkdtm: Negative detected: saturated # REFCOUNT_DEC_NEGATIVE: saw 'Negative detected: saturated': ok ok 47 selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh # selftests: lkd[ 58.404559] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND [ 58.416034] lkdtm: good_stack: ffffb6cec3477e20-ffffb6cec3477e40 tm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh # [ 50.113321] lkdtm: P[ 58.422750] lkdtm: bad_stack : ffffb6cec3477ff8-ffffb6cec3478018 erforming direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 50.[ 58.435685] lkdtm: attempting good copy_to_user of local stack 127047] lkdtm: attempting bad refcount_dec_and_test() below zero[ 58.448443] lkdtm: attempting bad copy_to_user of distant stack [ 58.461272] lkdtm: copy_to_user failed, but lacked Oops # [ 50.134155] ------------[ cut here ]------------ # [ 50.139316] refcount_t: underflow; use-after-free. # [ 50.144694] WARNING: CPU: 1 PID: 2171 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 50.154133] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 50.186774] CPU: 1 PID: 2171 Comm: cat Tainted: G D W 5.10.168-cip27 #1 # [ 50.195426] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 50.202234] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 50.208071] Code: 01 01 e8 1b f1 94 00 0f 0b c3 cc cc cc cc 80 3d fb e8 93 01 00 75 85 48 c7 c7 b0 d7 c4 8d c6 05 eb e8 93 01 01 e8 f8 f0 94 00 <0f> 0b c3 cc cc cc cc 80 3d d6 e8 93 01 00 0f 85 5e ff ff ff 48 c7 # [ 50.235272] RSP: 0018:ffffb6cec2a9fe40 EFLAGS: 00010286 # [ 50.241109] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 # [ 50.249082] RDX: ffff9f523acac660 RSI: ffff9f523ac9bf70 RDI: ffff9f523ac9bf70 # [ 50.257055] RBP: ffffffff8dcb1d60 R08: 0000000000000000 R09: 0000000000000000 # [ 50.265027] R10: 00000000ffffe0[ 58.585467] lkdtm: Performing direct entry USERCOPY_KERNEL 00 R11: 3fffffffffffffff R12: 000000000000001f # [ 50.272991][ 58.597832] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff8d8d15b0 R13: ffffb6cec2a9ff10 R14: ffffb6cec2a9ff10 R15: ffff9f51c5dff0[ 58.612738] lkdtm: attempting bad copy_to_user from kernel text: ffffffff8c4e3d60 00 # [ 50.280963] FS: 00007f55b4732580(0000) GS:ffff9f523ac8[ 58.627320] lkdtm: FAIL: survived bad copy_to_user() 0000(0000) knlGS:0000000000000000 # [ 50.290003] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 50.296413] CR2: 00007f55b453b000 CR3: 0000000103f2a001 CR4: 00000000003706e0 # [ 50.304385] Call Trace: # [ 50.307116] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 50.313270] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 # [ 50.319497] direct_entry.cold+0x2c/0x38 # [ 50.323879] full_proxy_write+0x53/0x80 # [ 50.328187] vfs_write+0xe7/0x3a0 # [ 50.331887] ksys_write+0x68/0xf0 # [ 50.335588] do_syscall_64+0x30/0x40 # [ 50.339583] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 50.345226] RIP: 0033:0x7f55b4648833 # [ 50.349218] 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 # [ 50.370206] RSP: 002b:00007ffcdc91e8d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 50.378665] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f55b4648833 # [ 50.386642] RDX: 000000000000001f RSI: 00007f55b453b000 RDI: 0000000000000001 # [ 50.394637] RBP: 00007f55b453b000 R08: 00007f55b453a010 R09: 0000000000000000 # [ 50.402613] R10: fffffffffffffbc5 R11: 0000000000[ 58.759333] lkdtm: Performing direct entry STACKLEAK_ERASING [ 58.769671] lkdtm: checking unused part of the thread stack (15928 bytes)... [ 58.777565] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) [ 58.785346] lkdtm: FAIL: the thread stack is NOT properly erased [ 58.792061] CPU: 1 PID: 2874 Comm: cat Tainted: G D W 5.10.168-cip27 #1 [ 58.800711] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 58.807516] Call Trace: [ 58.810247] dump_stack+0x77/0x9b [ 58.813968] lkdtm_STACKLEAK_ERASING+0x116/0x144 [ 58.819124] direct_entry.cold+0x2c/0x38 [ 58.823503] full_proxy_write+0x53/0x80 [ 58.827785] vfs_write+0xe7/0x3a0 [ 58.831484] ksys_write+0x68/0xf0 [ 58.835184] do_syscall_64+0x30/0x40 [ 58.839175] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 58.844815] RIP: 0033:0x7fad334e9833 [ 58.848805] 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 [ 58.869793] RSP: 002b:00007ffc73deaf68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 58.878251] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fad334e9833 [ 58.886222] RDX: 0000000000000012 RSI: 00007fad333dc000 RDI: 0000000000000001 [ 58.894193] RBP: 00007fad333dc000 R08: 00007fad333db010 R09: 0000000000000000 [ 58.902165] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 58.910137] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 000246 R12: 0000000000000001 # [ 50.410631] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 50.418622] irq event stamp: 0 # [ 50.422061] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 50.429064] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 50.438202] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 50.447342] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 50.454344] ---[ end trace 84f6a6c56e0696bf ]--- # [ 50.459501] 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 # [ 50.638647] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 50.652510] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 50.659621] ------------[ cut here ]------------ # [ 50.670985] refcount_t: underflow; use-after-free. # [ 50.682591] WARNING: CPU: 2 PID: 2206 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 50.698225] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 50.730871] CPU: 2 PID: 2206 Comm: cat Tainted: G D W 5.10.168-cip27 #1 # [ 50.745742] [ 59.065181] lkdtm: Performing direct entry CFI_FORWARD_PROTO Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 50.[ 59.073665] lkdtm: Calling matched prototype ... 758768] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 50.77[ 59.085036] lkdtm: Calling mismatched prototype ... 0821] Code: 01 01 e8 1b f1 94 00 0f 0b c3 cc cc cc cc 80 3d fb e[ 59.096704] lkdtm: Fail: survived mismatched prototype function call! 8 93 01 00 75 85 48 c7 c7 b0 d7 c4 8d c6 05 eb e8 93 01 01 e8 f8 f0 94 00 <0f> 0b c3 cc cc cc cc 80 3d d6 e8 93 01 00 0f 85 5e ff ff ff 48 c7 # [ 50.791837] RSP: 0018:ffffb6cec2b17e40 EFLAGS: 00010286 # [ 50.803886] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 # [ 50.818077] RDX: ffff9f523ad2c660 RSI: ffff9f523ad1bf70 RDI: ffff9f523ad1bf70 # [ 50.826051] RBP: ffffffff8dcb1d80 R08: 0000000000000000 R09: 0000000000000000 # [ 50.840237] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 50.854425] R13: ffffb6cec2b17f10 R14: ffffb6cec2b17f10 R15: ffff9f51c3195000 # [ 50.862401] FS: 00007f0cf03f2580(0000) GS:ffff9f523ad00000(0000) knlGS:0000000000000000 # [ 50.877653] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 50.890290] CR2: 00007f0cf01fb000 CR3: 0000000103ef0005 CR4: 00000000003706e0 # [ 50.904480] Call Trace: # [ 50.913427] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 50.925776] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b # [ 50.938215] direct_entry.cold+0x2c/0x38 # [ 50.948812] full_proxy_write+0x53/0x80 # [ 50.959317] vfs_write+0xe7/0x3a0 # [ 50.969242] ksys_write+0x68/0xf0 # [ 50.979154] do_syscall_64+0x30/0x40 # [ 50.989362] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 51.001222] RIP: 0033:0x7f0cf0308833 # [ 51.011433] 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 # [ 51.038644] RSP: 002b:00007fff1623feb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 51.053323] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f0cf0308833 # [ 51.067515] RDX: 000000000000001f RSI: 00007f0cf01fb000 RDI: 0000000000000001 # [ 51.081708] RBP: 00007f0cf01fb000 R08: 00007f0cf01fa010 R09: 0000000000000000 # [ 51.095901] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 51.110095] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 51.124294] irq event stamp: 0 # [ 51.133913] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 51.147138] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 51.162494] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 51.177852] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 51.191073] ---[ end trace 84f6a6c56e0696c0 ]--- # [ 51.202459] 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 # [ 51.345471] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 51.356798] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 51.363908] lkdtm: Good: zero detected # [ 51.368099] lkdtm: Correctly stayed at zero # [ 51.372771] lkdtm: attempting bad refcount_inc() from zero # [ 51.378900] ------------[ cut here ]------------ # [ 51.384055] refcount_t: addition on 0; use-after-free. # [ 51.389821] WARNING: CPU: 1 PID: 2238 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 51.399261] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 51.431904] CPU: 1 PID: 2238 Comm: cat Tainted: G D W 5.10.168-cip27 #1 # [ 51.440583] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 51.447395] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 51.459441] Code: 01 01 e8 61 f1 94 00 0f 0b c3 cc cc cc cc 80 3d 42 e9 93 01 00 75 cb 48 c7 c7 80 d7 c4 8d c6 05 32 e9 93 01 01 e8 3e f1 94 00 <0f> 0b c3 cc cc cc cc 80 3d 21 e9 93 01 00 75 a8 48 c7 c7 58 d7 c4 # [ 51.480431] RSP: 0018:ffffb6cec2b97e48 EFLAGS: 00010286 # [ 51.486294] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 # [ 51.500485] RDX: ffff9f523acac660 RSI: ffff9f523ac9bf70 RDI: ffff9f523ac9bf70 # [ 51.508481] RBP: ffffffff8dcb2121 R08: 0000000000000000 R09: 0000000000000000 # [ 51.516456] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 51.524430] R13: ffffb6cec2b97f10 R14: ffffb6cec2b97f10 R15: ffff9f51c2786000 # [ 51.532405] FS: 00007f403b118580(0000) GS:ffff9f523ac80000(0000) knlGS:0000000000000000 # [ 51.541472] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 51.547906] CR2: 00007f403af21000 CR3: 0000000103eb8004 CR4: 00000000003706e0 # [ 51.562083] Call Trace: # [ 51.564815] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 # [ 51.569808] direct_entry.cold+0x2c/0x38 # [ 51.580397] full_proxy_write+0x53/0x80 # [ 51.584706] vfs_write+0xe7/0x3a0 # [ 51.588437] ksys_write+0x68/0xf0 # [ 51.592163] do_syscall_64+0x30/0x40 # [ 51.596157] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 51.601801] RIP: 0033:0x7f403b02e833 # [ 51.605793] 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 # [ 51.626783] RSP: 002b:00007ffee2c0dcc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 51.635243] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f403b02e833 # [ 51.643216] RDX: 0000000000000012 RSI: 00007f403af21000 RDI: 0000000000000001 # [ 51.651189] RBP: 00007f403af21000 R08: 00007f403af20010 R09: 0000000000000000 # [ 51.659163] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 51.667136] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 51.675116] irq event stamp: 0 # [ 51.678550] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 51.691764] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 51.700929] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 51.710068] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 51.717070] ---[ end trace 84f6a6c56e0696c1 ]--- # [ 51.722228] 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 # [ 51.874363] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 51.882444] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 51.889558] lkdtm: Good: zero detected # [ 51.899955] lkdtm: Correctly stayed at zero # [ 51.904633] lkdtm: attempting bad refcount_add() from zero # [ 51.910764] ------------[ cut here ]------------ # [ 51.915923] refcount_t: addition on 0; use-after-free. # [ 51.921695] WARNING: CPU: 3 PID: 2270 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 51.931132] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 51.963779] CPU: 3 PID: 2270 Comm: cat Tainted: G D W 5.10.168-cip27 #1 # [ 51.972465] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 51.979276] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 51.985138] Code: 01 01 e8 61 f1 94 00 0f 0b c3 cc cc cc cc 80 3d 42 e9 93 01 00 75 cb 48 c7 c7 80 d7 c4 8d c6 05 32 e9 93 01 01 e8 3e f1 94 00 <0f> 0b c3 cc cc cc cc 80 3d 21 e9 93 01 00 75 a8 48 c7 c7 58 d7 c4 # [ 52.006162] RSP: 0018:ffffb6cec2c17e48 EFLAGS: 00010286 # [ 52.012031] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 # [ 52.020007] RDX: ffff9f523adac660 RSI: ffff9f523ad9bf70 RDI: ffff9f523ad9bf70 # [ 52.027983] RBP: ffffffff8dcb2133 R08: 0000000000000000 R09: 0000000000000000 # [ 52.035958] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 52.043932] R13: ffffb6cec2c17f10 R14: ffffb6cec2c17f10 R15: ffff9f51c4e19000 # [ 52.051908] FS: 00007f2a717d8580(0000) GS:ffff9f523ad80000(0000) knlGS:0000000000000000 # [ 52.060952] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 52.067372] CR2: 00007f2a715e1000 CR3: 0000000103c86003 CR4: 00000000003706e0 # [ 52.075346] Call Trace: # [ 52.078079] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 # [ 52.083076] direct_entry.cold+0x2c/0x38 # [ 52.087493] full_proxy_write+0x53/0x80 # [ 52.091808] vfs_write+0xe7/0x3a0 # [ 52.101717] ksys_write+0x68/0xf0 # [ 52.105450] do_syscall_64+0x30/0x40 # [ 52.109445] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 52.115119] RIP: 0033:0x7f2a716ee833 # [ 52.119113] 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 # [ 52.140104] RSP: 002b:00007fff60a5e238 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 52.148564] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f2a716ee833 # [ 52.162754] RDX: 0000000000000012 RSI: 00007f2a715e1000 RDI: 0000000000000001 # [ 52.176943] RBP: 00007f2a715e1000 R08: 00007f2a715e0010 R09: 0000000000000000 # [ 52.184918] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 52.192895] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 52.200876] irq event stamp: 0 # [ 52.204316] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 52.217564] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 52.226711] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 52.242056] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 52.249058] ---[ end trace 84f6a6c56e0696c2 ]--- # [ 52.254215] 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 # [ 52.389000] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 52.396284] lkdtm: attempting bad refcount_inc() from saturated # [ 52.409120] ------------[ cut here ]------------ # [ 52.420475] refcount_t: saturated; leaking memory. # [ 52.432054] WARNING: CPU: 2 PID: 2305 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 52.447689] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 52.480361] CPU: 2 PID: 2305 Comm: cat Tainted: G D W 5.10.168-cip27 #1 # [ 52.495204] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 52.508226] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 52.520278] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 66 e9 93 01 00 75 ee 48 c7 c7 58 d7 c4 8d c6 05 56 e9 93 01 01 e8 61 f1 94 00 <0f> 0b c3 cc cc cc cc 80 3d 42 e9 93 01 00 75 cb 48 c7 c7 80 d7 c4 # [ 52.547482] RSP: 0018:ffffb6cec2ca7e48 EFLAGS: 00010286 # [ 52.553322] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 # [ 52.567503] RDX: ffff9f523ad2c660 RSI: ffff9f523ad1bf70 RDI: ffff9f523ad1bf70 # [ 52.575478] RBP: ffffffff8dcb2145 R08: 0000000000000000 R09: 0000000000000000 # [ 52.589662] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 52.597639] R13: ffffb6cec2ca7f10 R14: ffffb6cec2ca7f10 R15: ffff9f51c3ebe000 # [ 52.611823] FS: 00007fbc4aad4580(0000) GS:ffff9f523ad00000(0000) knlGS:0000000000000000 # [ 52.620869] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 52.633499] CR2: 00007fbc4a8dd000 CR3: 0000000104f1e001 CR4: 00000000003706e0 # [ 52.641475] Call Trace: # [ 52.650418] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 # [ 52.662084] direct_entry.cold+0x2c/0x38 # [ 52.672682] full_proxy_write+0x53/0x80 # [ 52.683183] vfs_write+0xe7/0x3a0 # [ 52.693100] ksys_write+0x68/0xf0 # [ 52.703022] do_syscall_64+0x30/0x40 # [ 52.713228] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 52.725091] RIP: 0033:0x7fbc4a9ea833 # [ 52.735298] 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 # [ 52.762506] RSP: 002b:00007ffda6faae78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 52.777183] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fbc4a9ea833 # [ 52.791374] RDX: 0000000000000017 RSI: 00007fbc4a8dd000 RDI: 0000000000000001 # [ 52.805574] RBP: 00007fbc4a8dd000 R08: 00007fbc4a8dc010 R09: 0000000000000000 # [ 52.819765] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 52.833956] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 52.848154] irq event stamp: 0 # [ 52.857776] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 52.870998] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 52.886355] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 52.901711] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 52.914931] ---[ end trace 84f6a6c56e0696c3 ]--- # [ 52.926304] 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 # [ 53.106919] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 53.119236] lkdtm: attempting bad refcount_dec() from saturated # [ 53.132075] ------------[ cut here ]------------ # [ 53.143438] refcount_t: decrement hit 0; leaking memory. # [ 53.155595] WARNING: CPU: 0 PID: 2340 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 53.171267] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 53.203938] CPU: 0 PID: 2340 Comm: cat Tainted: G D W 5.10.168-cip27 #1 # [ 53.218828] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 53.231876] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 53.243931] Code: 08 d8 c4 8d c6 05 c2 e8 93 01 01 e8 d1 f0 94 00 0f 0b c3 cc cc cc cc 48 c7 c7 d8 d7 c4 8d c6 05 a9 e8 93 01 01 e8 b7 f0 94 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 53.271099] RSP: 0018:ffffb6cec2cefe48 EFLAGS: 00010286 # [ 53.283190] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 # [ 53.297369] RDX: ffff9f523ac2c660 RSI: ffff9f523ac1bf70 RDI: ffff9f523ac1bf70 # [ 53.311590] RBP: ffffffff8dcb215c R08: 0000000000000000 R09: 0000000000000000 # [ 53.325757] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 53.339987] R13: ffffb6cec2ceff10 R14: ffffb6cec2ceff10 R15: ffff9f51c3bc5000 # [ 53.354167] FS: 00007f7cde7c4580(0000) GS:ffff9f523ac00000(0000) knlGS:0000000000000000 # [ 53.369463] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 53.382088] CR2: 00007f7cde5cd000 CR3: 00000001029a4006 CR4: 00000000003706f0 # [ 53.396309] Call Trace: # [ 53.405318] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f # [ 53.416938] direct_entry.cold+0x2c/0x38 # [ 53.427591] full_proxy_write+0x53/0x80 # [ 53.438168] vfs_write+0xe7/0x3a0 # [ 53.448048] ksys_write+0x68/0xf0 # [ 53.457939] do_syscall_64+0x30/0x40 # [ 53.468135] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 53.479978] RIP: 0033:0x7f7cde6da833 # [ 53.490213] 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 # [ 53.517396] RSP: 002b:00007ffc262c1b48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 53.532104] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f7cde6da833 # [ 53.546269] RDX: 0000000000000017 RSI: 00007f7cde5cd000 RDI: 0000000000000001 # [ 53.560489] RBP: 00007f7cde5cd000 R08: 00007f7cde5cc010 R09: 0000000000000000 # [ 53.574652] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 53.588852] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 53.603032] irq event stamp: 0 # [ 53.612681] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 53.625878] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 53.641246] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 53.656602] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 53.669829] ---[ end trace 84f6a6c56e0696c4 ]--- # [ 53.681191] 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 # [ 53.845190] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 53.855619] lkdtm: attempting bad refcount_dec() from saturated # [ 53.868420] ------------[ cut here ]------------ # [ 53.879777] refcount_t: saturated; leaking memory. # [ 53.891381] WARNING: CPU: 0 PID: 2375 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 53.907009] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 53.939661] CPU: 0 PID: 2375 Comm: cat Tainted: G D W 5.10.168-cip27 #1 # [ 53.954519] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 53.967582] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 53.979676] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 66 e9 93 01 00 75 ee 48 c7 c7 58 d7 c4 8d c6 05 56 e9 93 01 01 e8 61 f1 94 00 <0f> 0b c3 cc cc cc cc 80 3d 42 e9 93 01 00 75 cb 48 c7 c7 80 d7 c4 # [ 54.006841] RSP: 0018:ffffb6cec2d9fe48 EFLAGS: 00010286 # [ 54.018931] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 # [ 54.033110] RDX: ffff9f523ac2c660 RSI: ffff9f523ac1bf70 RDI: ffff9f523ac1bf70 # [ 54.047298] RBP: ffffffff8dcb2173 R08: 0000000000000000 R09: 0000000000000000 # [ 54.061474] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 54.075701] R13: ffffb6cec2d9ff10 R14: ffffb6cec2d9ff10 R15: ffff9f51c31f8000 # [ 54.089860] FS: 00007f96c92ea580(0000) GS:ffff9f523ac00000(0000) knlGS:0000000000000000 # [ 54.105151] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.117761] CR2: 00007f96c90f3000 CR3: 000000010577c006 CR4: 00000000003706f0 # [ 54.131978] Call Trace: # [ 54.140910] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 # [ 54.152608] direct_entry.cold+0x2c/0x38 # [ 54.163206] full_proxy_write+0x53/0x80 # [ 54.173758] vfs_write+0xe7/0x3a0 # [ 54.183672] ksys_write+0x68/0xf0 # [ 54.193667] do_syscall_64+0x30/0x40 # [ 54.203834] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 54.215763] RIP: 0033:0x7f96c9200833 # [ 54.225958] 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 # [ 54.253204] RSP: 002b:00007ffddbf16d48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 54.267876] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f96c9200833 # [ 54.282100] RDX: 0000000000000017 RSI: 00007f96c90f3000 RDI: 0000000000000001 # [ 54.296284] RBP: 00007f96c90f3000 R08: 00007f96c90f2010 R09: 0000000000000000 # [ 54.310502] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 54.324697] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 54.338899] irq event stamp: 0 # [ 54.348522] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 54.361753] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 54.377106] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 54.392476] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 54.405673] ---[ end trace 84f6a6c56e0696c5 ]--- # [ 54.417076] 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 # [ 54.552572] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 54.561092] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 54.574808] ------------[ cut here ]------------ # [ 54.586204] refcount_t: saturated; leaking memory. # [ 54.597805] WARNING: CPU: 0 PID: 2407 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 54.613417] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 54.646067] CPU: 0 PID: 2407 Comm: cat Tainted: G D W 5.10.168-cip27 #1 # [ 54.660931] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 54.673963] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 54.686041] Code: 01 01 e8 3e f1 94 00 0f 0b c3 cc cc cc cc 80 3d 21 e9 93 01 00 75 a8 48 c7 c7 58 d7 c4 8d c6 05 11 e9 93 01 01 e8 1b f1 94 00 <0f> 0b c3 cc cc cc cc 80 3d fb e8 93 01 00 75 85 48 c7 c7 b0 d7 c4 # [ 54.713257] RSP: 0018:ffffb6cec2e07e38 EFLAGS: 00010282 # [ 54.725322] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 54.739551] RDX: ffff9f523ac2c660 RSI: ffff9f523ac1bf70 RDI: ffff9f523ac1bf70 # [ 54.753707] RBP: ffffffff8dcb1da0 R08: 0000000000000000 R09: 0000000000000000 # [ 54.767996] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 54.782202] R13: ffffb6cec2e07f10 R14: ffffb6cec2e07f10 R15: ffff9f51c5e47000 # [ 54.796378] FS: 00007f1ce3462580(0000) GS:ffff9f523ac00000(0000) knlGS:0000000000000000 # [ 54.811657] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.824289] CR2: 00007f1ce326b000 CR3: 0000000103cb8004 CR4: 00000000003706f0 # [ 54.838510] Call Trace: # [ 54.847487] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 54.859862] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 # [ 54.872437] direct_entry.cold+0x2c/0x38 # [ 54.883084] full_proxy_write+0x53/0x80 # [ 54.893643] vfs_write+0xe7/0x3a0 # [ 54.903552] ksys_write+0x68/0xf0 # [ 54.913478] do_syscall_64+0x30/0x40 # [ 54.923694] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 54.935549] RIP: 0033:0x7f1ce3378833 # [ 54.945780] 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 # [ 54.972954] RSP: 002b:00007ffd76c97be8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 54.987641] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f1ce3378833 # [ 55.001829] RDX: 0000000000000020 RSI: 00007f1ce326b000 RDI: 0000000000000001 # [ 55.016007] RBP: 00007f1ce326b000 R08: 00007f1ce326a010 R09: 0000000000000000 # [ 55.030187] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 55.044413] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 55.058608] irq event stamp: 0 # [ 55.068251] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 55.081432] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 55.096800] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 55.112155] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 55.125414] ---[ end trace 84f6a6c56e0696c6 ]--- # [ 55.136759] 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 # [ 55.285480] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 55.299474] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 55.313211] ------------[ cut here ]------------ # [ 55.324581] refcount_t: saturated; leaking memory. # [ 55.336180] WARNING: CPU: 0 PID: 2439 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 55.351832] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 55.384475] CPU: 0 PID: 2439 Comm: cat Tainted: G D W 5.10.168-cip27 #1 # [ 55.399340] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 55.412364] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 55.424416] Code: 01 01 e8 3e f1 94 00 0f 0b c3 cc cc cc cc 80 3d 21 e9 93 01 00 75 a8 48 c7 c7 58 d7 c4 8d c6 05 11 e9 93 01 01 e8 1b f1 94 00 <0f> 0b c3 cc cc cc cc 80 3d fb e8 93 01 00 75 85 48 c7 c7 b0 d7 c4 # [ 55.451659] RSP: 0018:ffffb6cec2e87e38 EFLAGS: 00010282 # [ 55.463675] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 55.477897] RDX: ffff9f523ac2c660 RSI: ffff9f523ac1bf70 RDI: ffff9f523ac1bf70 # [ 55.492107] RBP: ffffffff8dcb1dc0 R08: 0000000000000000 R09: 0000000000000000 # [ 55.506277] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 55.520452] R13: ffffb6cec2e87f10 R14: ffffb6cec2e87f10 R15: ffff9f51c4ff5000 # [ 55.534683] FS: 00007f29ed9c7580(0000) GS:ffff9f523ac00000(0000) knlGS:0000000000000000 # [ 55.549955] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.562609] CR2: 00007f29ed7d0000 CR3: 0000000105eba001 CR4: 00000000003706f0 # [ 55.576818] Call Trace: # [ 55.585818] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 55.598140] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 # [ 55.610730] direct_entry.cold+0x2c/0x38 # [ 55.621332] full_proxy_write+0x53/0x80 # [ 55.631882] vfs_write+0xe7/0x3a0 # [ 55.641773] ksys_write+0x68/0xf0 # [ 55.651719] do_syscall_64+0x30/0x40 # [ 55.661908] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 55.673840] RIP: 0033:0x7f29ed8dd833 # [ 55.684027] 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 # [ 55.711311] RSP: 002b:00007ffcbddee028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 55.725975] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f29ed8dd833 # [ 55.740204] RDX: 0000000000000020 RSI: 00007f29ed7d0000 RDI: 0000000000000001 # [ 55.754391] RBP: 00007f29ed7d0000 R08: 00007f29ed7cf010 R09: 0000000000000000 # [ 55.768587] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 55.782758] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 55.797002] irq event stamp: 0 # [ 55.806601] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 55.819872] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 55.835182] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 55.850622] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 55.863866] ---[ end trace 84f6a6c56e0696c7 ]--- # [ 55.875190] 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 # [ 56.032171] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 56.044165] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 56.051706] ------------[ cut here ]------------ # [ 56.056865] refcount_t: underflow; use-after-free. # [ 56.068454] WARNING: CPU: 1 PID: 2474 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 56.077896] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 56.110540] CPU: 1 PID: 2474 Comm: cat Tainted: G D W 5.10.168-cip27 #1 # [ 56.119221] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 56.126029] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 56.131867] Code: 01 01 e8 1b f1 94 00 0f 0b c3 cc cc cc cc 80 3d fb e8 93 01 00 75 85 48 c7 c7 b0 d7 c4 8d c6 05 eb e8 93 01 01 e8 f8 f0 94 00 <0f> 0b c3 cc cc cc cc 80 3d d6 e8 93 01 00 0f 85 5e ff ff ff 48 c7 # [ 56.152858] RSP: 0018:ffffb6cec2f0fe40 EFLAGS: 00010286 # [ 56.158701] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 # [ 56.172890] RDX: ffff9f523acac660 RSI: ffff9f523ac9bf70 RDI: ffff9f523ac9bf70 # [ 56.187079] RBP: ffffffff8dcb1de0 R08: 0000000000000000 R09: 0000000000000000 # [ 56.201270] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 56.209245] R13: ffffb6cec2f0ff10 R14: ffffb6cec2f0ff10 R15: ffff9f51c3bc7000 # [ 56.217219] FS: 00007f5ccaaf5580(0000) GS:ffff9f523ac80000(0000) knlGS:0000000000000000 # [ 56.226262] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.232685] CR2: 00007f5cca8fe000 CR3: 0000000104e44003 CR4: 00000000003706e0 # [ 56.240690] Call Trace: # [ 56.249630] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 56.255791] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 # [ 56.262116] direct_entry.cold+0x2c/0x38 # [ 56.266497] full_proxy_write+0x53/0x80 # [ 56.270782] vfs_write+0xe7/0x3a0 # [ 56.274482] ksys_write+0x68/0xf0 # [ 56.278185] do_syscall_64+0x30/0x40 # [ 56.282177] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 56.287821] RIP: 0033:0x7f5ccaa0b833 # [ 56.291814] 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 # [ 56.312805] RSP: 002b:00007fff982cc9f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 56.321267] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f5ccaa0b833 # [ 56.329239] RDX: 0000000000000020 RSI: 00007f5cca8fe000 RDI: 0000000000000001 # [ 56.337213] RBP: 00007f5cca8fe000 R08: 00007f5cca8fd010 R09: 0000000000000000 # [ 56.345188] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 56.353162] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 56.361140] irq event stamp: 0 # [ 56.364580] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 56.371586] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 56.380726] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 56.389865] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 56.396869] ---[ end trace 84f6a6c56e0696c8 ]--- # [ 56.402024] 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 # [ 56.565886] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 56.577359] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 56.591037] ------------[ cut here ]------------ # [ 56.602416] refcount_t: underflow; use-after-free. # [ 56.614001] WARNING: CPU: 0 PID: 2509 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 56.629645] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 56.662296] CPU: 0 PID: 2509 Comm: cat Tainted: G D W 5.10.168-cip27 #1 # [ 56.677165] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 56.690200] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 56.702252] Code: 01 01 e8 1b f1 94 00 0f 0b c3 cc cc cc cc 80 3d fb e8 93 01 00 75 85 48 c7 c7 b0 d7 c4 8d c6 05 eb e8 93 01 01 e8 f8 f0 94 00 <0f> 0b c3 cc cc cc cc 80 3d d6 e8 93 01 00 0f 85 5e ff ff ff 48 c7 # [ 56.729469] RSP: 0018:ffffb6cec2f6fe40 EFLAGS: 00010286 # [ 56.741519] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 # [ 56.755699] RDX: ffff9f523ac2c660 RSI: ffff9f523ac1bf70 RDI: ffff9f523ac1bf70 # [ 56.769907] RBP: ffffffff8dcb1e00 R08: 0000000000000000 R09: 0000000000000000 # [ 56.784097] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 56.798297] R13: ffffb6cec2f6ff10 R14: ffffb6cec2f6ff10 R15: ffff9f51c5e94000 # [ 56.812484] FS: 00007fdbb45d0580(0000) GS:ffff9f523ac00000(0000) knlGS:0000000000000000 # [ 56.827751] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.840375] CR2: 00007fdbb43d9000 CR3: 000000010409a004 CR4: 00000000003706f0 # [ 56.854589] Call Trace: # [ 56.863548] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 56.875903] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 # [ 56.888515] direct_entry.cold+0x2c/0x38 # [ 56.899062] full_proxy_write+0x53/0x80 # [ 56.909595] vfs_write+0xe7/0x3a0 # [ 56.919488] ksys_write+0x68/0xf0 # [ 56.929447] do_syscall_64+0x30/0x40 # [ 56.939619] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 56.951485] RIP: 0033:0x7fdbb44e6833 # [ 56.961680] 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 # [ 56.988906] RSP: 002b:00007ffe8d7ef808 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 57.003564] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fdbb44e6833 # [ 57.017766] RDX: 0000000000000020 RSI: 00007fdbb43d9000 RDI: 0000000000000001 # [ 57.031936] RBP: 00007fdbb43d9000 R08: 00007fdbb43d8010 R09: 0000000000000000 # [ 57.046177] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 57.060330] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 57.074561] irq event stamp: 0 # [ 57.084157] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 57.097382] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 57.112734] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 57.128098] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 57.141306] ---[ end trace 84f6a6c56e0696c9 ]--- # [ 57.152684] 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 # [ 57.352657] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 57.364088] lkdtm: attempting good copy_to_user of correct size # [ 57.370712] 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 # [ 57.508012] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 57.521126] lkdtm: attempting good copy_from_user of correct size # [ 57.534153] 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 # [ 57.680856] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 57.691296] lkdtm: attempting good copy_to_user inside whitelist # [ 57.704256] 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 # [ 57.856610] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 57.867588] lkdtm: attempting good copy_from_user inside whitelist # [ 57.880746] 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 # [ 58.043363] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 58.056429] lkdtm: good_stack: ffffb6cec3387e20-ffffb6cec3387e40 # [ 58.063153] lkdtm: bad_stack : ffffb6cec3387da8-ffffb6cec3387dc8 # [ 58.069881] lkdtm: attempting good copy_to_user of local stack # [ 58.076411] 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 # [ 58.221147] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 58.233147] lkdtm: good_stack: ffffb6cec33ffe20-ffffb6cec33ffe40 # [ 58.246102] lkdtm: bad_stack : ffffb6cec33ffda8-ffffb6cec33ffdc8 # [ 58.259039] lkdtm: attempting good copy_from_user of local stack # [ 58.271957] 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 # [ 58.404559] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 58.416034] lkdtm: good_stack: ffffb6cec3477e20-ffffb6cec3477e40 # [ 58.422750] lkdtm: bad_stack : ffffb6cec3477ff8-ffffb6cec3478018 # [ 58.435685] lkdtm: attempting good copy_to_user of local stack # [ 58.448443] lkdtm: attempting bad copy_to_user of distant stack # [ 58.461272] 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 # [ 58.585467] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 58.597832] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff8d8d15b0 # [ 58.612738] lkdtm: attempting bad copy_to_user from kernel text: ffffffff8c4e3d60 # [ 58.627320] 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 # [ 58.759333] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 58.769671] lkdtm: checking unused part of the thread stack (15928 bytes)... # [ 58.777565] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) # [ 58.785346] lkdtm: FAIL: the thread stack is NOT properly erased # [ 58.792061] CPU: 1 PID: 2874 Comm: cat Tainted: G D W 5.10.168-cip27 #1 # [ 58.800711] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 58.807516] Call Trace: # [ 58.810247] dump_stack+0x77/0x9b # [ 58.813968] lkdtm_STACKLEAK_ERASING+0x116/0x144 # [ 58.819124] direct_entry.cold+0x2c/0x38 # [ 58.823503] full_proxy_write+0x53/0x80 # [ 58.827785] vfs_write+0xe7/0x3a0 # [ 58.831484] ksys_write+0x68/0xf0 # [ 58.835184] do_syscall_64+0x30/0x40 # [ 58.839175] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 58.844815] RIP: 0033:0x7fad334e9833 # [ 58.848805] 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 # [ 58.869793] RSP: 002b:00007ffc73deaf68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 58.878251] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fad334e9833 # [ 58.886222] RDX: 0000000000000012 RSI: 00007fad333dc000 RDI: 0000000000000001 # [ 58.894193] RBP: 00007fad333dc000 R08: 00007fad333db010 R09: 0000000000000000 # [ 58.902165] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 58.910137] 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 # [ 59.065181] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 59.073665] lkdtm: Calling matched prototype ... # [ 59.085036] lkdtm: Calling mismatched prototype ... # [ 59.096704] 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 / #