[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 32095 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 1. Waiting for 2nd SIPI to complete...done. AP: slot 2 apic_id 3. AP: slot 3 apic_id 2. Loading module at 00038000 with entry 00038000. filesize: 0x1a8 memsize: 0x1a8 Processing 13 relocs. Offset value of 0x00038000 SMM Module: stub loaded at 00038000. Will call 7ab21603(00000000) Installing SMM handler to 0x7b000000 Loading module at 7b010000 with entry 7b010a19. filesize: 0x3b08 memsize: 0x8bc0 Processing 243 relocs. Offset value of 0x7b010000 Loading module at 7b008000 with entry 7b008000. filesize: 0x1a8 memsize: 0x1a8 Processing 13 relocs. Offset value of 0x7b008000 SMM Module: placing jmp sequence at 7b007c00 rel16 0x03fd SMM Module: placing jmp sequence at 7b007800 rel16 0x07fd SMM Module: placing jmp sequence at 7b007400 rel16 0x0bfd SMM Module: stub loaded at 7b008000. Will call 7b010a19(00000000) Clearing SMI status registers SMI_STS: PM1 PM1_STS: PWRBTN TCO_STS: BOOT SECOND_TO New SMBASE 0x7b000000 In relocation handler: CPU 0 New SMBASE=0x7b000000 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afffc00 In relocation handler: CPU 1 New SMBASE=0x7afffc00 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afff400 In relocation handler: CPU 3 New SMBASE=0x7afff400 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afff800 In relocation handler: CPU 2 New SMBASE=0x7afff800 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. Initializing CPU #0 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC... apic_id: 0x00 done. Turbo is available but hidden Turbo has been enabled SGX : param.enable = 0 Skip microcode update CPU #0 initialized Initializing CPU #1 Initializing CPU #2 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Initializing CPU #3 Setting up local APIC...Setting up local APIC... apic_id: 0x03 done. CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Skip microcode update Setting up local APIC... apic_id: 0x01 done. CPU #2 initialized apic_id: 0x02 done. Skip microcode update Skip microcode update CPU #1 initialized CPU #3 initialized bsp_do_flight_plan done after 231 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 376015 run 170444 exit 0 Enumerating buses... Show all devs... Before device enumeration. Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 DOMAIN: 0000: enabled 1 APIC: 00: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 PCI: 00:15.1: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PCI: 00:1f.1: enabled 1 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 USB0 port 0: enabled 1 I2C: 00:5c: enabled 1 I2C: 00:15: enabled 1 I2C: 00:39: enabled 1 I2C: 00:3a: enabled 1 I2C: 00:1a: enabled 1 PCI: 00:00.0: enabled 1 SPI: 00: enabled 1 PNP: 0c09.0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 APIC: 01: enabled 1 APIC: 03: enabled 1 APIC: 02: enabled 1 Compare with tree... Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 APIC: 00: enabled 1 APIC: 01: enabled 1 APIC: 03: 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 8971 usecs USB2 port 1 scanning... scan_usb_bus for USB2 port 1 scan_usb_bus for USB2 port 1 done scan_bus: scanning of bus USB2 port 1 took 8962 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 8962 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 8968 usecs USB2 port 8 scanning... scan_usb_bus for USB2 port 8 scan_usb_bus for USB2 port 8 done scan_bus: scanning of bus USB2 port 8 took 8970 usecs scan_usb_bus for USB0 port 0 done scan_bus: scanning of bus USB0 port 0 took 90928 usecs scan_usb_bus for PCI: 00:14.0 done scan_bus: scanning of bus PCI: 00:14.0 took 107714 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 14156 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 14155 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 22370 usecs PCI: 00:1c.0 scanning... do_pci_scan_bridge for PCI: 00:1c.0 PCI: pci_scan_bus for bus 01 PCI: 01:00.0 [8086/095a] enabled Capability: type 0x01 @ 0xc8 Capability: type 0x05 @ 0xd0 Capability: type 0x10 @ 0x40 Capability: type 0x10 @ 0x40 Enabling Common Clock Configuration L1 Sub-State supported from root port 28 L1 Sub-State Support = 0xf CommonModeRestoreTime = 0x28 Power On Value = 0x1e, Power On Scale = 0x0 ASPM: Enabled L1 Capability: type 0x01 @ 0xc8 Capability: type 0x05 @ 0xd0 Capability: type 0x10 @ 0x40 scan_bus: scanning of bus PCI: 00:1c.0 took 53524 usecs PCI: 00:1e.2 scanning... scan_generic_bus for PCI: 00:1e.2 bus: PCI: 00:1e.2[0]->SPI: 00 enabled scan_generic_bus for PCI: 00:1e.2 done scan_bus: scanning of bus PCI: 00:1e.2 took 13864 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 11325 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 9271 usecs PCI: 00:1f.3 scanning... scan_bus: scanning of bus PCI: 00:1f.3 took 2720 usecs PCI: 00:1f.4 scanning... scan_generic_bus for PCI: 00:1f.4 scan_generic_bus for PCI: 00:1f.4 done scan_bus: scanning of bus PCI: 00:1f.4 took 10046 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 10049 usecs scan_bus: scanning of bus DOMAIN: 0000 took 466044 usecs root_dev_scan_bus for Root Device done scan_bus: scanning of bus Root Device took 486172 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 825966 exit 39268 found VGA at PCI: 00:02.0 Setting up VGA for PCI: 00:02.0 Setting PCI_BRIDGE_CTL_VGA for bridge DOMAIN: 0000 Setting PCI_BRIDGE_CTL_VGA for bridge Root Device Allocating resources... Reading resources... Root Device read_resources bus 0 link: 0 CPU_CLUSTER: 0 read_resources bus 0 link: 0 CPU_CLUSTER: 0 read_resources bus 0 link: 0 done DOMAIN: 0000 read_resources bus 0 link: 0 PCI: 00:14.0 read_resources bus 0 link: 0 USB0 port 0 read_resources bus 0 link: 0 USB0 port 0 read_resources bus 0 link: 0 done PCI: 00:14.0 read_resources bus 0 link: 0 done PCI: 00:15.0 read_resources bus 1 link: 0 PCI: 00:15.0 read_resources bus 1 link: 0 done PCI: 00:15.1 read_resources bus 2 link: 0 PCI: 00:15.1 read_resources bus 2 link: 0 done PCI: 00:19.1 read_resources bus 3 link: 0 PCI: 00:19.1 read_resources bus 3 link: 0 done PCI: 00:1c.0 read_resources bus 1 link: 0 PCI: 00:1c.0 read_resources bus 1 link: 0 done PCI: 00:1e.2 read_resources bus 4 link: 0 PCI: 00:1e.2 read_resources bus 4 link: 0 done PCI: 00:1f.0 read_resources bus 0 link: 0 PCI: 00:1f.0 read_resources bus 0 link: 0 done DOMAIN: 0000 read_resources bus 0 link: 0 done Root Device read_resources bus 0 link: 0 done Done reading resources. Show resources in subtree (Root Device)...After reading. Root Device child on link 0 CPU_CLUSTER: 0 CPU_CLUSTER: 0 child on link 0 APIC: 00 APIC: 00 APIC: 01 APIC: 03 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: 01 APIC: 03 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 2114525 exit 30 Enabling resources... PCI: 00:00.0 subsystem <- 8086/590c PCI: 00:00.0 cmd <- 06 PCI: 00:02.0 subsystem <- 8086/591c PCI: 00:02.0 cmd <- 03 PCI: 00:04.0 cmd <- 02 PCI: 00:08.0 cmd <- 06 PCI: 00:14.0 subsystem <- 8086/9d2f PCI: 00:14.0 cmd <- 02 PCI: 00:14.2 subsystem <- 8086/9d31 PCI: 00:14.2 cmd <- 02 PCI: 00:15.0 subsystem <- 8086/9d60 PCI: 00:15.0 cmd <- 06 PCI: 00:15.1 subsystem <- 8086/9d61 PCI: 00:15.1 cmd <- 06 PCI: 00:16.0 subsystem <- 8086/9d3a PCI: 00:16.0 cmd <- 02 PCI: 00:19.0 subsystem <- 8086/9d66 PCI: 00:19.0 cmd <- 06 PCI: 00:19.1 subsystem <- 8086/9d65 PCI: 00:19.1 cmd <- 06 PCI: 00:1c.0 bridge ctrl <- 0003 PCI: 00:1c.0 subsystem <- 8086/9d10 PCI: 00:1c.0 cmd <- 06 PCI: 00:1e.0 subsystem <- 8086/9d27 PCI: 00:1e.0 cmd <- 06 PCI: 00:1e.2 subsystem <- 8086/9d29 PCI: 00:1e.2 cmd <- 06 PCI: 00:1e.4 subsystem <- 8086/9d2b PCI: 00:1e.4 cmd <- 06 PCI: 00:1e.6 subsystem <- 8086/9d2d PCI: 00:1e.6 cmd <- 06 PCI: 00:1f.0 subsystem <- 8086/9d4b PCI: 00:1f.0 cmd <- 407 PCI: 00:1f.2 subsystem <- 8086/9d21 PCI: 00:1f.2 cmd <- 02 PCI: 00:1f.3 subsystem <- 8086/9d71 PCI: 00:1f.3 cmd <- 02 PCI: 00:1f.4 subsystem <- 8086/9d23 PCI: 00:1f.4 cmd <- 03 PCI: 00:1f.5 subsystem <- 8086/9d24 PCI: 00:1f.5 cmd <- 406 PCI: 01:00.0 subsystem <- 8086/095a PCI: 01:00.0 cmd <- 02 done. ME: Version : 11.8.50.3470 BS: BS_DEV_ENABLE times (us): entry 290 run 139331 exit 18517 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 30846 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 6987 usecs PCI: 00:02.0 init ... PCI: 00:02.0 init finished in 2252 usecs PCI: 00:04.0 init ... PCI: 00:04.0 init finished in 2250 usecs PCI: 00:08.0 init ... PCI: 00:08.0 init finished in 2250 usecs PCI: 00:14.0 init ... PCI: 00:14.0 init finished in 2250 usecs PCI: 00:14.2 init ... PCI: 00:14.2 init finished in 2249 usecs PCI: 00:15.0 init ... DW I2C bus 0 at 0xd1132000 (400 KHz) PCI: 00:15.0 init finished in 5967 usecs PCI: 00:15.1 init ... DW I2C bus 1 at 0xd1133000 (400 KHz) PCI: 00:15.1 init finished in 5968 usecs PCI: 00:16.0 init ... PCI: 00:16.0 init finished in 2248 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 5288 usecs PCI: 00:1e.4 init ... PCI: 00:1e.4 init finished in 2248 usecs PCI: 00:1f.0 init ... IOAPIC: Initializing IOAPIC at 0xfec00000 IOAPIC: Bootstrap Processor Local APIC = 0x00 IOAPIC: ID = 0x02 IOAPIC: Dumping registers reg 0x0000: 0x02000000 reg 0x0001: 0x00770020 reg 0x0002: 0x00000000 PCI: 00:1f.0 init finished in 23486 usecs PCI: 00:1f.2 init ... RTC Init Set power on after power failure. Disabling ACPI via APMC: done. Disabling Deep S3 Disabling Deep S3 Enabling Deep S4 Enabling Deep S4 Enabling Deep S5 Enabling Deep S5 PCI: 00:1f.2 init finished in 23862 usecs PCI: 00:1f.4 init ... PCI: 00:1f.4 init finished in 2251 usecs PCI: 01:00.0 init ... PCI: 01:00.0 init finished in 2391 usecs PNP: 0c09.0 init ... Google Chrome EC: Hello got back 11223344 status (0) Google Chrome EC: version: ro: rammus_v2.0.387-f0df0fe2e rw: rammus_v2.0.427-c38dc837e running image: 1 EC returned error result code 1 PNP: 0c09.0 init finished in 24516 usecs Devices initialized Show all devs... After init. Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 DOMAIN: 0000: enabled 1 APIC: 00: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 PCI: 00:15.1: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PCI: 00:1f.1: enabled 0 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 USB0 port 0: enabled 1 I2C: 01:5c: enabled 1 I2C: 02:15: enabled 1 I2C: 03:39: enabled 1 I2C: 03:3a: enabled 1 I2C: 03:1a: enabled 1 PCI: 01:00.0: enabled 1 SPI: 00: enabled 1 PNP: 0c09.0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 APIC: 01: enabled 1 APIC: 03: enabled 1 APIC: 02: enabled 1 PCI: 00:04.0: enabled 1 PCI: 00:08.0: enabled 1 FMAP: area RW_ELOG found @ 9f0000 (16384 bytes) ELOG: NV offset 0x9f0000 size 0x4000 ELOG: area is 4096 bytes, full threshold 3842, shrink size 1024 ELOG: Event(17) added with size 13 at 2022-12-10 01:18:51 UTC POST: Unexpected post code in previous boot: 0x34 ELOG: Event(A3) added with size 11 at 2022-12-10 01:18:51 UTC ELOG: Event(92) added with size 9 at 2022-12-10 01:18:51 UTC ELOG: Event(9A) added with size 9 at 2022-12-10 01:18:51 UTC ELOG: Event(AD) added with size 10 at 2022-12-10 01:18:51 UTC ELOG: Event(9F) added with size 14 at 2022-12-10 01:18:51 UTC BS: BS_DEV_INIT times (us): entry 0 run 417245 exit 60063 ELOG: Event(A1) added with size 10 at 2022-12-10 01:18:51 UTC elog_add_boot_reason: Logged recovery mode boot (Dev-switch on), reason: 0x1b ELOG: Event(A0) added with size 9 at 2022-12-10 01:18:51 UTC elog_add_boot_reason: Logged dev mode boot Finalize devices... Devices finalized FMAP: area RW_NVRAM found @ 9fa000 (24576 bytes) BS: BS_POST_DEVICE times (us): entry 25569 run 3969 exit 5191 BS: BS_OS_RESUME_CHECK times (us): entry 0 run 59 exit 0 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/dsdt.aml' CBFS: Found @ offset 19af40 size 4691 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/slic' CBFS: 'fallback/slic' not found. ACPI: Writing ACPI tables at 7aa9a000. ACPI: * FACS ACPI: * DSDT Ramoops buffer: 0x100000@0x7a999000. SGX: not enabled or not supported. skip gnvs fill ACPI: * FADT SCI is IRQ9 ACPI: added table 1/32, length now 40 ACPI: * SSDT Found 1 CPU(s) with 4 core(s) each. \_SB.PCI0.I2C0.H05C: SISC Touchscreen at I2C: 01:5c \_SB.PCI0.I2C1.D015: ELAN Touchpad at I2C: 02:15 \_SB.PCI0.I2C5.MAXR: Maxim MAX98927 Codec address 039h \_SB.PCI0.I2C5.MAXL: Maxim MAX98927 Codec address 03ah \_SB.PCI0.I2C5.DLG7: Dialog Semiconductor DA7219 Audio Codec address 01ah irq 105 Error: Could not locate 'wifi_sar' in VPD. Error: failed from getting SAR limits! \_SB.PCI0.RP01.WIFI: Intel WiFi PCI: 01:00.0 \_SB.PCI0.SPI0.S001: SPI Device at SPI: 00 \_SB.PCI0.XHCI.RHUB.HS01: USB Type C Port 1 at USB2 port 0 \_SB.PCI0.XHCI.RHUB.HS02: USB Type A Port 1 at USB2 port 1 \_SB.PCI0.XHCI.RHUB.HS03: Bluetooth at USB2 port 2 \_SB.PCI0.XHCI.RHUB.HS05: USB Type C Port 2 at USB2 port 4 \_SB.PCI0.XHCI.RHUB.HS09: Camera at USB2 port 8 ACPI: added table 2/32, length now 44 ACPI: * MCFG ACPI: added table 3/32, length now 48 ACPI: * TPM2 ACPI: added table 4/32, length now 52 ACPI: * MADT SCI is IRQ9 ACPI: added table 5/32, length now 56 current = 7aa9fa60 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dmic-4ch-48khz-16b.bin' CBFS: Found @ offset 167000 size ba8 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dmic-4ch-48khz-32b.bin' CBFS: Found @ offset 19f640 size ba8 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dialog-2ch-48khz-24b.bin' CBFS: Found @ offset 167cc0 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dialog-2ch-48khz-24b.bin' CBFS: Found @ offset 167cc0 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'max98927-render-2ch-48khz-24b.bin' CBFS: Found @ offset 167c00 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'max98927-render-2ch-48khz-16b.bin' CBFS: Found @ offset 103f00 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'max98927-render-2ch-48khz-16b.bin' CBFS: Found @ offset 103f00 size 64 ACPI: * NHLT ACPI: added table 6/32, length now 60 ACPI: * DMAR ACPI: added table 7/32, length now 64 ACPI: * IGD OpRegion GMA: Found VBT in CBFS GMA: Found valid VBT in CBFS current = 7aaa3610 ACPI: added table 8/32, length now 68 ACPI: * HPET ACPI: added table 9/32, length now 72 ACPI: done. ACPI tables: 38592 bytes. smbios_write_tables: 7a998000 Create SMBIOS type 17 PCI: 01:00.0 (Intel WiFi) SMBIOS tables: 662 bytes. Writing table forward entry at 0x00000500 Wrote coreboot table at: 00000500, 0x10 bytes, checksum a532 Writing coreboot table at 0x7aabe000 0. 0000000000000000-0000000000000fff: CONFIGURATION TABLES 1. 0000000000001000-000000000009ffff: RAM 2. 00000000000a0000-00000000000fffff: RESERVED 3. 0000000000100000-000000007a997fff: RAM 4. 000000007a998000-000000007ab05fff: CONFIGURATION TABLES 5. 000000007ab06000-000000007abcffff: RAMSTAGE 6. 000000007abd0000-000000007affffff: CONFIGURATION TABLES 7. 000000007b000000-000000007fffffff: RESERVED 8. 00000000e0000000-00000000e3ffffff: RESERVED 9. 00000000fe000000-00000000fe00ffff: RESERVED 10. 00000000fed10000-00000000fed19fff: RESERVED 11. 00000000fed80000-00000000fed84fff: RESERVED 12. 00000000fed90000-00000000fed91fff: RESERVED 13. 0000000100000000-000000017effffff: RAM Graphics framebuffer located at 0xc0000000 Passing 6 GPIOs to payload: NAME | PORT | POLARITY | VALUE write protect | undefined | high | low recovery | undefined | high | low lid | undefined | high | high power | undefined | high | low oprom | undefined | high | low EC in RW | 0x00000036 | high | low Board ID: 6 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) Wrote coreboot table at: 7aabe000, 0x5a4 bytes, checksum 7aac coreboot table: 1468 bytes. IMD ROOT 0. 7afff000 00001000 IMD SMALL 1. 7affe000 00001000 FSP MEMORY 2. 7abfe000 00400000 CONSOLE 3. 7abde000 00020000 TIME STAMP 4. 7abdd000 00000910 VBOOT 5. 7abdc000 00000c0c MRC DATA 6. 7abda000 00001878 ROMSTG STCK 7. 7abd9000 00000400 AFTER CAR 8. 7abd0000 00009000 RAMSTAGE 9. 7ab05000 000cb000 REFCODE 10. 7aad6000 0002f000 SMM BACKUP 11. 7aac6000 00010000 COREBOOT 12. 7aabe000 00008000 ACPI 13. 7aa9a000 00024000 ACPI GNVS 14. 7aa99000 00001000 RAMOOPS 15. 7a999000 00100000 SMBIOS 16. 7a998000 00000800 IMD small region: IMD ROOT 0. 7affec00 00000400 FSP RUNTIME 1. 7affebe0 00000004 VBOOT SEL 2. 7affebc0 00000008 EC HOSTEVENT 3. 7affeba0 00000008 POWER STATE 4. 7affeb60 00000040 ROMSTAGE 5. 7affeb40 00000004 MEM INFO 6. 7affe980 000001a9 VPD 7. 7affe920 00000047 COREBOOTFWD 8. 7affe8e0 00000028 MTRR: Physical address space: 0x0000000000000000 - 0x00000000000a0000 size 0x000a0000 type 6 0x00000000000a0000 - 0x00000000000c0000 size 0x00020000 type 0 0x00000000000c0000 - 0x000000007b800000 size 0x7b740000 type 6 0x000000007b800000 - 0x00000000c0000000 size 0x44800000 type 0 0x00000000c0000000 - 0x00000000d0000000 size 0x10000000 type 1 0x00000000d0000000 - 0x0000000100000000 size 0x30000000 type 0 0x0000000100000000 - 0x000000017f000000 size 0x7f000000 type 6 MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 call enable_fixed_mtrr() CPU physical address size: 39 bits MTRR: default type WB/UC MTRR counts: 6/5. MTRR: UC selected as default type. MTRR: 0 base 0x0000000000000000 mask 0x0000007f80000000 type 6 MTRR: 1 base 0x000000007b800000 mask 0x0000007fff800000 type 0 MTRR: 2 base 0x000000007c000000 mask 0x0000007ffc000000 type 0 MTRR: 3 base 0x00000000c0000000 mask 0x0000007ff0000000 type 1 MTRR: 4 base 0x0000000100000000 mask 0x0000007f80000000 type 6 MTRR check Fixed MTRRs : Enabled Variable MTRRs: Enabled MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 BS: BS_WRITE_TABLES times (us): entry 0 run 537583 exit 146888 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 609 run 261939 exit 135709 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 8315051/tftp-deploy-v0cdziei/kernel/bzImage 8315051/tftp-deploy-v0cdziei/kernel/cmdline 8315051/tftp-deploy-v0cdziei/ramdisk/ramdisk.cpio.gz tftpboot 192.168.201.1 8315051/tftp-deploy-v0cdziei/kernel/bzImoy-v0cdziei/kernel/cmdline 8315051/tftp-deploy-v0cdziei/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: 8315051/tftp-deploy-v0cdziei/kernel/bzImage Sending tftp read request... done. Waiting for the transfer... 00000000 ################################################################ 00080000 ################################################################ 00100000 ################################################################ 00180000 ################################################################ 00200000 ################################################################ 00280000 ################################################################ 00300000 ################################################################ 00380000 ################################################################ 00400000 ################################################################ 00480000 ################################################################ 00500000 ################################################################ 00580000 ################################################################ 00600000 ################################################################ 00680000 ################################################################ 00700000 ################################################################ 00780000 ################################################################ 00800000 ################################################################ 00880000 ################################################################ 00900000 ################################################################ 00980000 ################################################################ 00a00000 ################################################################ 00a80000 ################################################################ 00b00000 ################################################################ 00b80000 ################################################################ 00c00000 ################################################################ 00c80000 ################################################################ 00d00000 ###################################################### done. The bootfile was 14066560 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: 8315051/tftp-deploy-v0cdziei/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/8315051/extract-nfsrootfs-0qybqveu,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: 17782810 Starting kernel ... [ 0.000000] Linux version 5.10.158-cip22 (KernelCI@build-j677660-x86-64-gcc-10-x86-64-defconfig-x86-chromeboo97x2t) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Sat Dec 10 00:57:37 UTC 2022 [ 0.000000] Command line: earlyprintk=uart8250,mmio32,0xde000000,115200n8 console=ttyS0,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/8315051/extract-nfsrootfs-0qybqveu,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 [ 0.001399] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.007201] last_pfn = 0x7a998 max_arch_pfn = 0x400000000 [ 0.026088] check: Scanning 1 areas for low memory corruption [ 0.026101] Using GB pages for direct mapping [ 0.026776] RAMDISK: [mem 0x377f5000-0x37ffffff] [ 0.026784] ACPI: Early table checksum verification disabled [ 0.026792] ACPI: RSDP 0x00000000000F0000 000024 (v02 CORE ) [ 0.026806] ACPI: XSDT 0x000000007AA9A0E0 00006C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.026823] ACPI: FACP 0x000000007AA9E970 0000F4 (v04 CORE COREBOOT 00000000 CORE 00000000) [ 0.026840] ACPI: DSDT 0x000000007AA9A280 0046E3 (v05 COREv4 COREBOOT 20110725 INTL 20180531) [ 0.026853] ACPI: FACS 0x000000007AA9A240 000040 [ 0.026864] ACPI: FACS 0x000000007AA9A240 000040 [ 0.026876] ACPI: SSDT 0x000000007AA9EA70 000EFA (v02 CORE COREBOOT 0000002A CORE 0000002A) [ 0.026889] ACPI: MCFG 0x000000007AA9F970 00003C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.026902] ACPI: TPM2 0x000000007AA9F9B0 000040 (v04 CORE COREBOOT 00000000 CORE 00000000) [ 0.026914] ACPI: APIC 0x000000007AA9F9F0 00006C (v02 CORE COREBOOT 00000000 CORE 00000000) [ 0.026927] ACPI: NHLT 0x000000007AA9FA60 001B1C (v05 GOOGLE RAMMUS 00000000 CORE 00000000) [ 0.026940] ACPI: DMAR 0x000000007AAA1580 000088 (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.026952] ACPI: DBG2 0x000000007AAA3610 000061 (v00 CORE COREBOOT 00000000 CORE 00000000) [ 0.026965] ACPI: HPET 0x000000007AAA3680 000038 (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.026977] ACPI: Reserving FACP table memory at [mem 0x7aa9e970-0x7aa9ea63] [ 0.026983] ACPI: Reserving DSDT table memory at [mem 0x7aa9a280-0x7aa9e962] [ 0.026988] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] [ 0.026993] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] [ 0.026997] ACPI: Reserving SSDT table memory at [mem 0x7aa9ea70-0x7aa9f969] [ 0.027002] ACPI: Reserving MCFG table memory at [mem 0x7aa9f970-0x7aa9f9ab] [ 0.027007] ACPI: Reserving TPM2 table memory at [mem 0x7aa9f9b0-0x7aa9f9ef] [ 0.027012] ACPI: Reserving APIC table memory at [mem 0x7aa9f9f0-0x7aa9fa5b] [ 0.027017] ACPI: Reserving NHLT table memory at [mem 0x7aa9fa60-0x7aaa157b] [ 0.027022] ACPI: Reserving DMAR table memory at [mem 0x7aaa1580-0x7aaa1607] [ 0.027026] ACPI: Reserving DBG2 table memory at [mem 0x7aaa3610-0x7aaa3670] [ 0.027031] ACPI: Reserving HPET table memory at [mem 0x7aaa3680-0x7aaa36b7] [ 0.027171] No NUMA configuration found [ 0.027177] Faking a node at [mem 0x0000000000000000-0x000000017effffff] [ 0.027187] NODE_DATA(0) allocated [mem 0x17effa000-0x17effdfff] [ 0.027232] Zone ranges: [ 0.027238] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.027246] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.027253] Normal [mem 0x0000000100000000-0x000000017effffff] [ 0.027261] Movable zone start for each node [ 0.027266] Early memory node ranges [ 0.027271] node 0: [mem 0x0000000000001000-0x000000000009ffff] [ 0.027276] node 0: [mem 0x0000000000100000-0x000000007a997fff] [ 0.027281] node 0: [mem 0x0000000100000000-0x000000017effffff] [ 0.027288] Initmem setup node 0 [mem 0x0000000000001000-0x000000017effffff] [ 0.027324] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.027370] On node 0, zone DMA: 96 pages in unavailable ranges [ 0.038759] On node 0, zone Normal: 22120 pages in unavailable ranges [ 0.038830] On node 0, zone Normal: 4096 pages in unavailable ranges [ 0.038864] Reserving Intel graphics memory at [mem 0x7c000000-0x7fffffff] [ 0.039224] ACPI: PM-Timer IO Port: 0x1808 [ 0.039282] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-119 [ 0.039297] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 0.039303] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.039318] Using ACPI (MADT) for SMP configuration information [ 0.039328] ACPI: HPET id: 0x8086a701 base: 0xfed00000 [ 0.039344] TSC deadline timer available [ 0.039349] smpboot: Allowing 4 CPUs, 0 hotplug CPUs [ 0.039380] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.039387] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000fffff] [ 0.039393] PM: hibernation: Registered nosave memory: [mem 0x7a998000-0x7affffff] [ 0.039398] PM: hibernation: Registered nosave memory: [mem 0x7b000000-0x7fffffff] [ 0.039402] PM: hibernation: Registered nosave memory: [mem 0x80000000-0xdfffffff] [ 0.039407] PM: hibernation: Registered nosave memory: [mem 0xe0000000-0xe3ffffff] [ 0.039411] PM: hibernation: Registered nosave memory: [mem 0xe4000000-0xfdffffff] [ 0.039416] PM: hibernation: Registered nosave memory: [mem 0xfe000000-0xfe00ffff] [ 0.039420] PM: hibernation: Registered nosave memory: [mem 0xfe010000-0xfed0ffff] [ 0.039425] PM: hibernation: Registered nosave memory: [mem 0xfed10000-0xfed19fff] [ 0.039429] PM: hibernation: Registered nosave memory: [mem 0xfed1a000-0xfed7ffff] [ 0.039434] PM: hibernation: Registered nosave memory: [mem 0xfed80000-0xfed84fff] [ 0.039438] PM: hibernation: Registered nosave memory: [mem 0xfed85000-0xfed8ffff] [ 0.039443] PM: hibernation: Registered nosave memory: [mem 0xfed90000-0xfed91fff] [ 0.039447] PM: hibernation: Registered nosave memory: [mem 0xfed92000-0xffffffff] [ 0.039457] [mem 0x80000000-0xdfffffff] available for PCI devices [ 0.039465] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns [ 0.053997] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:4 nr_node_ids:1 [ 0.054290] percpu: Embedded 59 pages/cpu s200848 r8192 d32624 u524288 [ 0.054373] Built 1 zonelists, mobility grouping on. Total pages: 1006266 [ 0.054379] Policy zone: Normal [ 0.054394] 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/8315051/extract-nfsrootfs-0qybqveu,tcp,hard ip=dhcp tftpserverip=192.168.201.1 [ 0.054941] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) [ 0.055215] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear) [ 0.055309] mem auto-init: stack:off, heap alloc:off, heap free:off [ 0.077529] Memory: 3888548K/4089052K available (18450K kernel code, 3465K rwdata, 6992K rodata, 2020K init, 13252K bss, 200244K reserved, 0K cma-reserved) [ 0.077703] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 [ 0.077767] Kernel/User page tables isolation: enabled [ 0.077853] ftrace: allocating 53396 entries in 209 pages [ 0.138289] ftrace: allocated 209 pages with 4 groups [ 0.138588] Running RCU self tests [ 0.138605] rcu: Hierarchical RCU implementation. [ 0.138609] rcu: RCU event tracing is enabled. [ 0.138614] rcu: RCU lockdep checking is enabled. [ 0.138619] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=4. [ 0.138624] Rude variant of Tasks RCU enabled. [ 0.138628] Tracing variant of Tasks RCU enabled. [ 0.138633] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies. [ 0.138638] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 [ 0.149034] NR_IRQS: 4352, nr_irqs: 1024, preallocated irqs: 16 [ 0.149515] random: crng init done [ 0.149628] Console: colour dummy device 80x25 [ 0.224924] printk: console [ttyS0] enabled [ 0.225293] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.225957] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.226318] ... MAX_LOCK_DEPTH: 48 [ 0.226687] ... MAX_LOCKDEP_KEYS: 8192 [ 0.227069] ... CLASSHASH_SIZE: 4096 [ 0.227452] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.227841] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.228231] ... CHAINHASH_SIZE: 32768 [ 0.228621] memory used by lock dependency info: 6365 kB [ 0.229090] memory used for stack traces: 4224 kB [ 0.229509] per task-struct memory footprint: 1920 bytes [ 0.230038] ACPI: Core revision 20200925 [ 0.230649] hpet: HPET dysfunctional in PC10. Force disabled. [ 0.231150] APIC: Switch to symmetric I/O mode setup [ 0.235632] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x170fff30cc4, max_idle_ns: 440795237869 ns [ 0.236556] Calibrating delay loop (skipped), value calculated using timer frequency.. 3199.92 BogoMIPS (lpj=1599960) [ 0.237464] pid_max: default: 32768 minimum: 301 [ 0.237537] LSM: Security Framework initializing [ 0.237537] SELinux: Initializing. [ 0.237537] LSM support for eBPF active [ 0.237537] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.237537] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.237537] mce: CPU0: Thermal monitoring enabled (TM1) [ 0.237537] process: using mwait in idle threads [ 0.237537] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8 [ 0.237537] Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4 [ 0.237537] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 0.237537] Spectre V2 : Mitigation: IBRS [ 0.237537] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 0.237537] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB on VMEXIT [ 0.237537] RETBleed: Mitigation: IBRS [ 0.237537] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier [ 0.237537] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl and seccomp [ 0.237537] MDS: Vulnerable: Clear CPU buffers attempted, no microcode [ 0.237537] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode [ 0.237537] SRBDS: Vulnerable: No microcode [ 0.237537] ------------[ cut here ]------------ [ 0.237537] missing return thunk: lkdtm_rodata_do_nothing+0x0/0x10-lkdtm_rodata_do_nothing+0x5/0x10: e9 00 00 00 00 [ 0.237537] WARNING: CPU: 0 PID: 0 at arch/x86/kernel/alternative.c:712 apply_returns+0x1f5/0x220 [ 0.237537] Modules linked in: [ 0.237537] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.10.158-cip22 #1 [ 0.237537] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 0.237537] RIP: 0010:apply_returns+0x1f5/0x220 [ 0.237537] 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 40 6e af b1 c6 05 3a 5a e4 01 01 e8 55 a6 e8 00 <0f> 0b e9 b9 fe ff ff 44 89 f9 c7 00 cc cc cc cc c7 44 08 fc cc cc [ 0.237537] RSP: 0000:ffffffffb1e03de0 EFLAGS: 00010282 [ 0.237537] RAX: 0000000000000000 RBX: ffffffffb28e05f4 RCX: 0000000000000000 [ 0.237537] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffb037a891 [ 0.237537] RBP: ffffffffb17ce140 R08: 0000000000000001 R09: 0000000000000001 [ 0.237537] R10: ffffffffb1e8fcc0 R11: 3fffffffffffffff R12: ffffffffb28f81dc [ 0.237537] R13: cccccccccccccccc R14: ffffffffb17ce145 R15: 0000000000000004 [ 0.237537] FS: 0000000000000000(0000) GS:ffff8c497ac00000(0000) knlGS:0000000000000000 [ 0.237537] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 0.237537] CR2: ffff8c497efff000 CR3: 000000002fe26001 CR4: 00000000003706f0 [ 0.237537] Call Trace: [ 0.237537] alternative_instructions+0x7d/0x143 [ 0.237537] check_bugs+0xece/0xf2a [ 0.237537] start_kernel+0x517/0x54d [ 0.237537] secondary_startup_64_no_verify+0xc2/0xcb [ 0.237537] irq event stamp: 162589 [ 0.237537] hardirqs last enabled at (162597): [] console_unlock+0x4d1/0x5f0 [ 0.237537] hardirqs last disabled at (162604): [] console_unlock+0x444/0x5f0 [ 0.237537] softirqs last enabled at (1828): [] cgroup_idr_alloc.constprop.0+0x5b/0xe0 [ 0.237537] softirqs last disabled at (1826): [] cgroup_idr_alloc.constprop.0+0x2e/0xe0 [ 0.237537] ---[ end trace 3cde216e32c10bde ]--- [ 0.237537] Freeing SMP alternatives memory: 44K [ 0.237537] smpboot: CPU0: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz (family: 0x6, model: 0x8e, stepping: 0x9) [ 0.238472] Performance Events: PEBS fmt3+, Skylake events, 32-deep LBR, full-width counters, Intel PMU driver. [ 0.238557] ... version: 4 [ 0.238915] ... bit width: 48 [ 0.239279] ... generic registers: 4 [ 0.239547] ... value mask: 0000ffffffffffff [ 0.240013] ... max period: 00007fffffffffff [ 0.240476] ... fixed-purpose events: 3 [ 0.240545] ... event mask: 000000070000000f [ 0.241698] rcu: Hierarchical SRCU implementation. [ 0.244580] smp: Bringing up secondary CPUs ... [ 0.245996] x86: Booting SMP configuration: [ 0.246393] .... node #0, CPUs: #1 [ 0.247045] 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. [ 0.248549] 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. [ 0.250427] #2 #3 [ 0.253221] smp: Brought up 1 node, 4 CPUs [ 0.253919] smpboot: Max logical packages: 1 [ 0.254300] smpboot: Total of 4 processors activated (12799.68 BogoMIPS) [ 0.257552] devtmpfs: initialized [ 0.258308] x86/mm: Memory block size: 128MB [ 0.263722] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns [ 0.264568] futex hash table entries: 1024 (order: 5, 131072 bytes, linear) [ 0.265763] pinctrl core: initialized pinctrl subsystem [ 0.266694] PM: RTC time: 01:19:04, date: 2022-12-10 [ 0.267894] NET: Registered protocol family 16 [ 0.269343] audit: initializing netlink subsys (disabled) [ 0.269611] audit: type=2000 audit(1670635144.033:1): state=initialized audit_enabled=0 res=1 [ 0.270725] thermal_sys: Registered thermal governor 'step_wise' [ 0.270733] thermal_sys: Registered thermal governor 'user_space' [ 0.271365] cpuidle: using governor menu [ 0.271971] ACPI: bus type PCI registered [ 0.273044] PCI: MMCONFIG for domain 0000 [bus 00-3f] at [mem 0xe0000000-0xe3ffffff] (base 0xe0000000) [ 0.273552] PCI: MMCONFIG at [mem 0xe0000000-0xe3ffffff] reserved in E820 [ 0.274187] PCI: Using configuration type 1 for base access [ 0.305812] Kprobes globally optimized [ 0.306596] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 0.307160] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 0.307805] cryptomgr_test (38) used greatest stack depth: 14880 bytes left [ 0.311852] ACPI: Added _OSI(Module Device) [ 0.312229] ACPI: Added _OSI(Processor Device) [ 0.312565] ACPI: Added _OSI(3.0 _SCP Extensions) [ 0.312984] ACPI: Added _OSI(Processor Aggregator Device) [ 0.313461] ACPI: Added _OSI(Linux-Dell-Video) [ 0.313549] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 0.314020] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 0.331432] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 0.342537] ACPI: EC: EC started [ 0.342543] ACPI: EC: interrupt blocked [ 0.343930] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.344382] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC used to handle transactions [ 0.344546] ACPI: Interpreter enabled [ 0.344973] ACPI: (supports S0 S3 S4 S5) [ 0.345327] ACPI: Using IOAPIC for interrupt routing [ 0.345650] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 0.370158] ACPI: Power Resource [PRIC] (on) [ 0.508890] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 0.509447] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] [ 0.509998] acpi PNP0A08:00: _OSC: OS now controls [PME PCIeCapability LTR] [ 0.510642] acpi PNP0A08:00: [Firmware Info]: MMCONFIG for domain 0000 [bus 00-3f] only partially covers this bridge [ 0.512478] PCI host bridge to bus 0000:00 [ 0.512552] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 0.513145] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 0.513550] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 0.514199] pci_bus 0000:00: root bus resource [mem 0x000c0000-0x000c3fff window] [ 0.514548] pci_bus 0000:00: root bus resource [mem 0x000c4000-0x000c7fff window] [ 0.515197] pci_bus 0000:00: root bus resource [mem 0x000c8000-0x000cbfff window] [ 0.515548] pci_bus 0000:00: root bus resource [mem 0x000cc000-0x000cffff window] [ 0.516198] pci_bus 0000:00: root bus resource [mem 0x000d0000-0x000d3fff window] [ 0.516548] pci_bus 0000:00: root bus resource [mem 0x000d4000-0x000d7fff window] [ 0.517197] pci_bus 0000:00: root bus resource [mem 0x000d8000-0x000dbfff window] [ 0.517551] pci_bus 0000:00: root bus resource [mem 0x000dc000-0x000dffff window] [ 0.518200] pci_bus 0000:00: root bus resource [mem 0x000e0000-0x000e3fff window] [ 0.518548] pci_bus 0000:00: root bus resource [mem 0x000e4000-0x000e7fff window] [ 0.519196] pci_bus 0000:00: root bus resource [mem 0x000e8000-0x000ebfff window] [ 0.519548] pci_bus 0000:00: root bus resource [mem 0x000ec000-0x000effff window] [ 0.520197] pci_bus 0000:00: root bus resource [mem 0x000f0000-0x000fffff window] [ 0.520548] pci_bus 0000:00: root bus resource [mem 0x80000001-0xdfffffff window] [ 0.521197] pci_bus 0000:00: root bus resource [mem 0x800000000-0xbffffffff window] [ 0.521549] pci_bus 0000:00: root bus resource [mem 0xfd000000-0xfe7fffff window] [ 0.522197] pci_bus 0000:00: root bus resource [mem 0xfed40000-0xfed44fff window] [ 0.522549] pci_bus 0000:00: root bus resource [bus 00-ff] [ 0.523152] pci 0000:00:00.0: [8086:590c] type 00 class 0x060000 [ 0.525098] pci 0000:00:02.0: [8086:591c] type 00 class 0x030000 [ 0.525579] pci 0000:00:02.0: reg 0x10: [mem 0xd0000000-0xd0ffffff 64bit] [ 0.526189] pci 0000:00:02.0: reg 0x18: [mem 0xc0000000-0xcfffffff 64bit pref] [ 0.526560] pci 0000:00:02.0: reg 0x20: [io 0x1c00-0x1c3f] [ 0.528020] pci 0000:00:04.0: [8086:1903] type 00 class 0x118000 [ 0.528581] pci 0000:00:04.0: reg 0x10: [mem 0xd1120000-0xd1127fff 64bit] [ 0.530327] pci 0000:00:08.0: [8086:1911] type 00 class 0x088000 [ 0.530580] pci 0000:00:08.0: reg 0x10: [mem 0xd1130000-0xd1130fff 64bit] [ 0.532158] pci 0000:00:14.0: [8086:9d2f] type 00 class 0x0c0330 [ 0.532594] pci 0000:00:14.0: reg 0x10: [mem 0xd1100000-0xd110ffff 64bit] [ 0.533365] pci 0000:00:14.0: PME# supported from D3hot D3cold [ 0.534728] pci 0000:00:14.2: [8086:9d31] type 00 class 0x118000 [ 0.535298] pci 0000:00:14.2: reg 0x10: [mem 0xd1131000-0xd1131fff 64bit] [ 0.536560] pci 0000:00:15.0: [8086:9d60] type 00 class 0x118000 [ 0.537138] pci 0000:00:15.0: reg 0x10: [mem 0xd1132000-0xd1132fff 64bit] [ 0.538766] pci 0000:00:15.1: [8086:9d61] type 00 class 0x118000 [ 0.539345] pci 0000:00:15.1: reg 0x10: [mem 0xd1133000-0xd1133fff 64bit] [ 0.540798] pci 0000:00:19.0: [8086:9d66] type 00 class 0x118000 [ 0.541380] pci 0000:00:19.0: reg 0x10: [mem 0xfe034000-0xfe034fff 64bit] [ 0.541585] pci 0000:00:19.0: reg 0x18: [mem 0xd1135000-0xd1135fff 64bit] [ 0.543347] pci 0000:00:19.1: [8086:9d65] type 00 class 0x118000 [ 0.543600] pci 0000:00:19.1: reg 0x10: [mem 0xd1136000-0xd1136fff 64bit] [ 0.545448] pci 0000:00:1c.0: [8086:9d10] type 01 class 0x060400 [ 0.545797] pci 0000:00:1c.0: PME# supported from D0 D3hot D3cold [ 0.547490] pci 0000:00:1e.0: [8086:9d27] type 00 class 0x118000 [ 0.547610] pci 0000:00:1e.0: reg 0x10: [mem 0xd1137000-0xd1137fff 64bit] [ 0.549436] pci 0000:00:1e.2: [8086:9d29] type 00 class 0x118000 [ 0.549602] pci 0000:00:1e.2: reg 0x10: [mem 0xd1138000-0xd1138fff 64bit] [ 0.551403] pci 0000:00:1e.4: [8086:9d2b] type 00 class 0x080501 [ 0.551595] pci 0000:00:1e.4: reg 0x10: [mem 0xd1139000-0xd1139fff 64bit] [ 0.553578] pci 0000:00:1e.6: [8086:9d2d] type 00 class 0x080501 [ 0.554150] pci 0000:00:1e.6: reg 0x10: [mem 0xd113a000-0xd113afff 64bit] [ 0.555720] pci 0000:00:1f.0: [8086:9d4b] type 00 class 0x060100 [ 0.557425] pci 0000:00:1f.2: [8086:9d21] type 00 class 0x058000 [ 0.557586] pci 0000:00:1f.2: reg 0x10: [mem 0xd1128000-0xd112bfff] [ 0.559277] pci 0000:00:1f.3: [8086:9d71] type 00 class 0x040100 [ 0.559599] pci 0000:00:1f.3: reg 0x10: [mem 0xd112c000-0xd112ffff 64bit] [ 0.560257] pci 0000:00:1f.3: reg 0x20: [mem 0xd1110000-0xd111ffff 64bit] [ 0.560680] pci 0000:00:1f.3: PME# supported from D3hot D3cold [ 0.562359] pci 0000:00:1f.4: [8086:9d23] type 00 class 0x0c0500 [ 0.562618] pci 0000:00:1f.4: reg 0x10: [mem 0xd113c000-0xd113c0ff 64bit] [ 0.563289] pci 0000:00:1f.4: reg 0x20: [io 0xefa0-0xefbf] [ 0.564654] pci 0000:00:1f.5: [8086:9d24] type 00 class 0x000000 [ 0.565216] pci 0000:00:1f.5: reg 0x10: [mem 0xfe010000-0xfe010fff] [ 0.567512] pci 0000:01:00.0: [8086:095a] type 00 class 0x028000 [ 0.568494] pci 0000:01:00.0: reg 0x10: [mem 0xd1000000-0xd1001fff 64bit] [ 0.573025] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold [ 0.576086] pci 0000:00:1c.0: PCI bridge to [bus 01] [ 0.576537] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] [ 0.579114] ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.579969] ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 *10 12 14 15) [ 0.580958] ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.581962] ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.582976] ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.583963] ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.584959] ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.585962] ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.594994] ACPI: EC: interrupt unblocked [ 0.595371] ACPI: EC: event unblocked [ 0.595546] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.596000] ACPI: EC: GPE=0x6e [ 0.596287] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC initialization complete [ 0.596551] ACPI: \_SB_.PCI0.LPCB.EC0_: EC: Used to handle transactions and events [ 0.597822] iommu: Default domain type: Translated [ 0.598802] pci 0000:00:02.0: vgaarb: setting as boot VGA device [ 0.599194] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 0.599577] pci 0000:00:02.0: vgaarb: bridge control possible [ 0.600081] vgaarb: loaded [ 0.601058] SCSI subsystem initialized [ 0.601857] ACPI: bus type USB registered [ 0.602395] usbcore: registered new interface driver usbfs [ 0.602633] usbcore: registered new interface driver hub [ 0.603154] usbcore: registered new device driver usb [ 0.603725] pps_core: LinuxPPS API ver. 1 registered [ 0.604164] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 0.604565] PTP clock support registered [ 0.605667] Advanced Linux Sound Architecture Driver Initialized. [ 0.607599] NetLabel: Initializing [ 0.607911] NetLabel: domain hash size = 128 [ 0.608299] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 0.608649] NetLabel: unlabeled traffic allowed by default [ 0.609265] PCI: Using ACPI for IRQ routing [ 0.617482] clocksource: Switched to clocksource tsc-early [ 1.151259] VFS: Disk quotas dquot_6.6.0 [ 1.151704] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 1.152852] pnp: PnP ACPI init [ 1.154225] system 00:00: [mem 0xfed10000-0xfed17fff] has been reserved [ 1.154839] system 00:00: [mem 0xfed18000-0xfed18fff] has been reserved [ 1.155421] system 00:00: [mem 0xfed19000-0xfed19fff] has been reserved [ 1.156024] system 00:00: [mem 0xe0000000-0xe3ffffff] has been reserved [ 1.156628] system 00:00: [mem 0xfed20000-0xfed3ffff] has been reserved [ 1.157210] system 00:00: [mem 0xfed90000-0xfed93fff] could not be reserved [ 1.157842] system 00:00: [mem 0xfed45000-0xfed8ffff] could not be reserved [ 1.158452] system 00:00: [mem 0xff000000-0xffffffff] has been reserved [ 1.159053] system 00:00: [mem 0xfee00000-0xfeefffff] has been reserved [ 1.159657] system 00:00: [mem 0xfed00000-0xfed003ff] has been reserved [ 1.161489] system 00:01: [io 0x1800-0x18fe] has been reserved [ 1.162584] system 00:03: [io 0x0900-0x09fe] has been reserved [ 1.163447] system 00:04: [io 0x0200] has been reserved [ 1.163946] system 00:04: [io 0x0204] has been reserved [ 1.164420] system 00:04: [io 0x0800-0x087f] has been reserved [ 1.164964] system 00:04: [io 0x0880-0x08ff] has been reserved [ 1.169019] pnp: PnP ACPI: found 6 devices [ 1.186855] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 1.187798] NET: Registered protocol family 2 [ 1.188381] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear) [ 1.191074] tcp_listen_portaddr_hash hash table entries: 2048 (order: 5, 163840 bytes, linear) [ 1.192125] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear) [ 1.193125] TCP bind hash table entries: 32768 (order: 9, 2359296 bytes, linear) [ 1.196094] TCP: Hash tables configured (established 32768 bind 32768) [ 1.197061] MPTCP token hash table entries: 4096 (order: 6, 360448 bytes, linear) [ 1.198083] UDP hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 1.199023] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 1.200148] NET: Registered protocol family 1 [ 1.201428] RPC: Registered named UNIX socket transport module. [ 1.202007] RPC: Registered udp transport module. [ 1.202427] RPC: Registered tcp transport module. [ 1.202862] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 1.204152] NET: Registered protocol family 44 [ 1.204598] pci 0000:00:1c.0: PCI bridge to [bus 01] [ 1.205054] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] [ 1.205684] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 1.206224] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 1.206853] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 1.207450] pci_bus 0000:00: resource 7 [mem 0x000c0000-0x000c3fff window] [ 1.208068] pci_bus 0000:00: resource 8 [mem 0x000c4000-0x000c7fff window] [ 1.208687] pci_bus 0000:00: resource 9 [mem 0x000c8000-0x000cbfff window] [ 1.209286] pci_bus 0000:00: resource 10 [mem 0x000cc000-0x000cffff window] [ 1.209909] pci_bus 0000:00: resource 11 [mem 0x000d0000-0x000d3fff window] [ 1.210514] pci_bus 0000:00: resource 12 [mem 0x000d4000-0x000d7fff window] [ 1.211137] pci_bus 0000:00: resource 13 [mem 0x000d8000-0x000dbfff window] [ 1.211813] pci_bus 0000:00: resource 14 [mem 0x000dc000-0x000dffff window] [ 1.212419] pci_bus 0000:00: resource 15 [mem 0x000e0000-0x000e3fff window] [ 1.213043] pci_bus 0000:00: resource 16 [mem 0x000e4000-0x000e7fff window] [ 1.213669] pci_bus 0000:00: resource 17 [mem 0x000e8000-0x000ebfff window] [ 1.214275] pci_bus 0000:00: resource 18 [mem 0x000ec000-0x000effff window] [ 1.214897] pci_bus 0000:00: resource 19 [mem 0x000f0000-0x000fffff window] [ 1.215504] pci_bus 0000:00: resource 20 [mem 0x80000001-0xdfffffff window] [ 1.216126] pci_bus 0000:00: resource 21 [mem 0x800000000-0xbffffffff window] [ 1.216765] pci_bus 0000:00: resource 22 [mem 0xfd000000-0xfe7fffff window] [ 1.217372] pci_bus 0000:00: resource 23 [mem 0xfed40000-0xfed44fff window] [ 1.217995] pci_bus 0000:01: resource 1 [mem 0xd1000000-0xd10fffff] [ 1.219191] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 1.222627] PCI: CLS 64 bytes, default 64 [ 1.223461] Unpacking initramfs... [ 1.589581] Freeing initrd memory: 8236K [ 1.590093] DMAR: Host address width 39 [ 1.590474] DMAR: DRHD base: 0x000000fed90000 flags: 0x0 [ 1.591041] DMAR: dmar0: reg_base_addr fed90000 ver 1:0 cap 1c0000c40660462 ecap 19e2ff0505e [ 1.591825] DMAR: RMRR base: 0x0000007b800000 end: 0x0000007fffffff [ 1.592375] DMAR: DRHD base: 0x000000fed91000 flags: 0x1 [ 1.592883] DMAR: dmar1: reg_base_addr fed91000 ver 1:0 cap d2008c40660462 ecap f050da [ 1.593702] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 1.594268] software IO TLB: mapped [mem 0x0000000076998000-0x000000007a998000] (64MB) [ 1.595227] RAPL PMU: API unit is 2^-32 Joules, 5 fixed counters, 655360 ms ovfl timer [ 1.595949] RAPL PMU: hw unit of domain pp0-core 2^-14 Joules [ 1.596454] RAPL PMU: hw unit of domain package 2^-14 Joules [ 1.597019] RAPL PMU: hw unit of domain dram 2^-14 Joules [ 1.597492] RAPL PMU: hw unit of domain pp1-gpu 2^-14 Joules [ 1.598002] RAPL PMU: hw unit of domain psys 2^-14 Joules [ 1.600767] kvm: already loaded the other module [ 1.604672] check: Scanning for low memory corruption every 60 seconds [ 1.609578] Initialise system trusted keyrings [ 1.610285] workingset: timestamp_bits=56 max_order=20 bucket_order=0 [ 1.637409] NFS: Registering the id_resolver key type [ 1.637940] Key type id_resolver registered [ 1.638344] Key type id_legacy registered [ 1.661349] Key type asymmetric registered [ 1.661776] Asymmetric key parser 'x509' registered [ 1.662271] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249) [ 1.662949] io scheduler mq-deadline registered [ 1.663353] io scheduler kyber registered [ 1.664010] test_firmware: interface ready [ 1.666429] pcieport 0000:00:1c.0: PME: Signaling with IRQ 120 [ 1.668657] ACPI: AC Adapter [AC] (on-line) [ 1.669526] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/PNP0C0D:00/input/input0 [ 1.671453] ACPI: Lid Switch [LID0] [ 1.672152] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input1 [ 1.673135] ACPI: Power Button [PWRF] [ 1.674035] ACPI: \_PR_.CP00: Found 3 idle states [ 1.675430] ACPI: \_PR_.CP01: Found 3 idle states [ 1.676647] ACPI: \_PR_.CP02: Found 3 idle states [ 1.677885] ACPI: \_PR_.CP03: Found 3 idle states [ 1.680279] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 1.684359] hpet_acpi_add: no address or irqs in _CRS [ 1.685142] Non-volatile memory driver v1.3 [ 1.685761] Linux agpgart interface v0.103 [ 1.686394] battery: ACPI: Battery Slot [BAT0] (battery present) [ 1.689768] i915 0000:00:02.0: vgaarb: deactivate vga console [ 1.743011] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem [ 1.744838] i915 0000:00:02.0: [drm] Finished loading DMC firmware i915/kbl_dmc_ver1_04.bin (v1.4) [ 1.772822] [drm] Initialized i915 1.6.0 20200917 for 0000:00:02.0 on minor 0 [ 1.777357] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 1 [ 1.799879] loop: module loaded [ 1.801254] lkdtm: No crash points registered, enable through debugfs [ 1.832820] printk: console [ttyS0] disabled [ 1.834422] dw-apb-uart.2: ttyS0 at MMIO 0xfe034000 (irq = 32, base_baud = 115200) is a 16550A [ 2.635802] tsc: Refined TSC clocksource calibration: 1607.999 MHz [ 2.635843] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x172da94f0e2, max_idle_ns: 440795278248 ns [ 2.647718] printk: console [ttyS0] enabled [ 5.241361] clocksource: Switched to clocksource tsc [ 5.241595] fbcon: i915drmfb (fb0) is primary device [ 5.259003] dw-apb-uart.4: ttyS1 at MMIO 0xd1137000 (irq = 20, base_baud = 115200) is a 16550A [ 5.261740] pxa2xx-spi pxa2xx-spi.5: no DMA channels available, using PIO [ 5.271599] e100: Intel(R) PRO/100 Network Driver [ 5.271603] e100: Copyright(c) 1999-2006 Intel Corporation [ 5.271681] e1000: Intel(R) PRO/1000 Network Driver [ 5.271684] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 5.271788] e1000e: Intel(R) PRO/1000 Network Driver [ 5.271790] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 5.271897] sky2: driver version 1.30 [ 5.272311] usbcore: registered new interface driver r8152 [ 5.272940] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 5.272969] ehci-pci: EHCI PCI platform driver [ 5.273053] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 5.273074] ohci-pci: OHCI PCI platform driver [ 5.273148] uhci_hcd: USB Universal Host Controller Interface driver [ 5.274345] Console: switching to colour frame buffer device 240x67 [ 5.274684] xhci_hcd 0000:00:14.0: xHCI Host Controller [ 5.274699] tpm_tis_spi spi-PRP0001:00: TPM ready IRQ confirmed on attempt 2 [ 5.276044] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 1 [ 5.277480] xhci_hcd 0000:00:14.0: hcc params 0x200077c1 hci version 0x100 quirks 0x0000000081109810 [ 5.277538] xhci_hcd 0000:00:14.0: cache line size of 64 is not supported [ 5.280210] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10 [ 5.280235] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 5.280241] usb usb1: Product: xHCI Host Controller [ 5.280245] usb usb1: Manufacturer: Linux 5.10.158-cip22 xhci-hcd [ 5.280250] usb usb1: SerialNumber: 0000:00:14.0 [ 5.282471] hub 1-0:1.0: USB hub found [ 5.282710] hub 1-0:1.0: 12 ports detected [ 5.288098] xhci_hcd 0000:00:14.0: xHCI Host Controller [ 5.288662] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 2 [ 5.288675] xhci_hcd 0000:00:14.0: Host supports USB 3.0 SuperSpeed [ 5.289093] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.10 [ 5.289102] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 5.289107] usb usb2: Product: xHCI Host Controller [ 5.289111] usb usb2: Manufacturer: Linux 5.10.158-cip22 xhci-hcd [ 5.289115] usb usb2: SerialNumber: 0000:00:14.0 [ 5.290846] hub 2-0:1.0: USB hub found [ 5.290972] hub 2-0:1.0: 6 ports detected [ 5.293677] usbcore: registered new interface driver usblp [ 5.298847] i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device [ 5.304100] tpm_tis_spi spi-PRP0001:00: 2.0 TPM (device-id 0x28, rev-id 0) [ 5.304616] usbcore: registered new interface driver usb-storage [ 5.448603] 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 [ 5.456525] udc-core: couldn't find an available UDC - added [g_ether] to list of pending drivers [ 5.605741] i8042: PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1 [ 5.613389] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp [ 5.625685] i8042: Warning: Keylock active [ 5.630787] serio: i8042 KBD port at 0x60,0x64 irq 1 [ 5.638476] rtc_cmos 00:02: RTC can wake from S4 [ 5.646312] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input2 [ 5.646505] rtc_cmos 00:02: registered as rtc0 [ 5.661286] rtc_cmos 00:02: alarms up to one month, 242 bytes nvram [ 5.669591] i801_smbus 0000:00:1f.4: SPD Write Disable is set [ 5.676094] i801_smbus 0000:00:1f.4: SMBus using PCI interrupt [ 5.683821] usb 2-3: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 5.683824] i2c i2c-9: 2/2 memory slots populated (from DMI) [ 5.693740] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com [ 5.707795] intel_pstate: Intel P-state driver initializing [ 5.712423] usb 2-3: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=31.00 [ 5.723304] usb 2-3: New USB device strings: Mfr=1, Product=2, SerialNumber=6 [ 5.731319] usb 2-3: Product: USB 10/100/1000 LAN [ 5.736619] usb 2-3: Manufacturer: Realtek [ 5.737134] intel_pstate: HWP enabled [ 5.741221] usb 2-3: SerialNumber: 001000001 [ 5.750176] sdhci: Secure Digital Host Controller Interface driver [ 5.757110] sdhci: Copyright(c) Pierre Ossman [ 5.762055] sdhci-pci 0000:00:1e.4: SDHCI controller found [8086:9d2b] (rev 21) [ 5.771458] mmc0: SDHCI controller on PCI [0000:00:1e.4] using ADMA 64-bit [ 5.779258] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.788483] hid: raw HID events driver (C) Jiri Kosina [ 5.795474] usbcore: registered new interface driver usbhid [ 5.801746] usbhid: USB HID core driver [ 5.806611] input: Tablet Mode Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/GOOG0006:00/input/input3 [ 5.824935] cros_ec_lpcs GOOG0004:00: Chrome EC device registered [ 5.831792] usb 1-3: new full-speed USB device number 2 using xhci_hcd [ 5.833272] snd_hda_intel 0000:00:1f.3: DSP detected with PCI class/subclass/prog-if info 0x040100 [ 5.850017] ipip: IPv4 and MPLS over IPv4 tunneling driver [ 5.857077] gre: GRE over IPv4 demultiplexor driver [ 5.862589] ip_gre: GRE over IPv4 tunneling driver [ 5.868863] IPv4 over IPsec tunneling driver [ 5.873948] Initializing XFRM netlink socket [ 5.879278] NET: Registered protocol family 10 [ 5.885258] Segment Routing with IPv6 [ 5.890084] ip6_gre: GRE over IPv6 tunneling driver [ 5.895807] NET: Registered protocol family 17 [ 5.900934] 8021q: 802.1Q VLAN Support v1.8 [ 5.905699] Key type dns_resolver registered [ 5.911322] microcode: sig=0x806e9, pf=0x10, revision=0x98 [ 5.917577] microcode: Microcode Update Driver: v2.2. [ 5.917585] IPI shorthand broadcast: enabled [ 5.928115] sched_clock: Marking stable (5840985587, 87064600)->(6045830721, -117780534) [ 5.937271] snd_hda_intel 0000:00:1f.3: bound 0000:00:02.0 (ops i915_audio_component_bind_ops) [ 5.947196] registered taskstats version 1 [ 5.951850] Loading compiled-in X.509 certificates [ 5.959291] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.962198] snd_hda_intel 0000:00:1f.3: Cannot probe codecs, giving up [ 5.966605] usb 1-3: New USB device found, idVendor=8087, idProduct=0a2a, bcdDevice= 0.03 [ 5.966608] usb 1-3: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 5.969691] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.001508] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.010889] PM: Magic number: 2:163:306 [ 6.015473] tty tty35: hash matches [ 6.019601] printk: console [netcon0] enabled [ 6.024495] netconsole: network logging started [ 6.048007] mmc0: new HS400 MMC card at address 0001 [ 6.055263] mmcblk0: mmc0:0001 DA4064 58.2 GiB [ 6.060559] mmcblk0boot0: mmc0:0001 DA4064 partition 1 4.00 MiB [ 6.067324] mmcblk0boot1: mmc0:0001 DA4064 partition 2 4.00 MiB [ 6.074158] mmcblk0rpmb: mmc0:0001 DA4064 partition 3 16.0 MiB, chardev (246:0) [ 6.080178] usb 2-3: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 6.091117] mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12 [ 6.103194] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.122959] r8152 2-3:1.0: load rtl8153b-2 v1 10/23/19 successfully [ 6.158477] r8152 2-3:1.0 eth0: v1.11.11 [ 6.164114] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.164367] IP-Config: Failed to open gretap0 [ 6.177692] IP-Config: Failed to open erspan0 [ 6.198733] Sending DHCP requests . [ 6.215707] usb 1-9: new high-speed USB device number 3 using xhci_hcd [ 6.382432] usb 1-9: New USB device found, idVendor=13d3, idProduct=56d4, bcdDevice=18.07 [ 6.391633] usb 1-9: New USB device strings: Mfr=3, Product=1, SerialNumber=2 [ 6.399643] usb 1-9: Product: USB2.0 HD UVC WebCam [ 6.405028] usb 1-9: Manufacturer: Azurewave [ 6.409869] usb 1-9: SerialNumber: 0x0001 [ 6.418776] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 7.756735] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready [ 7.764162] r8152 2-3:1.0 eth0: carrier on [ 8.800698] ., OK [ 8.810887] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.15 [ 8.819879] IP-Config: Complete: [ 8.823520] device=eth0, hwaddr=00:e0:4c:68:04:98, ipaddr=192.168.201.15, mask=255.255.255.0, gw=192.168.201.1 [ 8.835217] host=asus-C433TA-AJ0005-rammus-cbg-4, domain=lava-rack, nis-domain=(none) [ 8.844477] bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath= [ 8.844481] nameserver0=192.168.201.1 [ 8.857324] cfg80211: Loading compiled-in X.509 certificates for regulatory database [ 8.868904] modprobe (100) used greatest stack depth: 14120 bytes left [ 8.872095] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' [ 8.883806] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 [ 8.884667] ALSA device list: [ 8.893507] cfg80211: failed to load regulatory.db [ 8.896804] No soundcards found. [ 8.906406] dw-apb-uart dw-apb-uart.2: forbid DMA for kernel console [ 8.916673] Freeing unused kernel image (initmem) memory: 2020K [ 8.933855] Write protecting the kernel read-only data: 28672k [ 8.941571] Freeing unused kernel image (text/rodata gap) memory: 2028K [ 8.949450] Freeing unused kernel image (rodata/data gap) memory: 1200K [ 8.956951] Run /init as init process Loading, please wait... Starting version 247.3-7+deb11u1 [ 8.978833] systemd-udevd (122) used greatest stack depth: 13800 bytes left [ 9.032947] udevadm (124) used greatest stack depth: 13576 bytes left [ 9.181436] cros-usbpd-notify-acpi GOOG0003:00: Couldn't get Chrome EC device pointer. [ 9.190757] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.218794] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.275871] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.286763] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.296865] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.307158] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.321910] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.332408] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.342496] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) Begin: Loading essential drivers ... done. Begin: Running /scripts/init-premount ... done. Begin: Mounting root file system ... Begin: Running /scripts/nfs-top ... done. Begin: Running /scripts/nfs-premount ... done. IP-Config: eth0 hardware address 00:e0:4c:68:04:98 mtu 1500 DHCP IP-Config: gretap0 hardware address 00:00:00:00:00:00 mtu 1462 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: erspan0 hardware address 00:00:00:00:00:00 mtu 1450 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: eth0 complete (dhcp from 192.168.201.1): address: 192.168.201.15 broadcast: 192.168.201.255 netmask: 255.255.255.0 gateway: 192.168.201.1 dns0 : 192.168.201.1 dns1 : 0.0.0.0 host : asus-C433TA-AJ0005-rammus-cbg-4 domain : lava-rack rootserver: 192.168.201.1 rootpath: filename : [ 9.537132] nfsmount (162) used greatest stack depth: 12688 bytes left done. Begin: Running /scripts/nfs-bottom ... done. Begin: Running /scripts/init-bottom ... done. SELinux: Could not open policy file <= /etc/selinux/targeted/policy/policy.33: No such file or directory [ 10.775322] systemd[1]: systemd 247.3-7+deb11u1 running in system mode. (+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 +ZSTD +SECCOMP +BLKID +ELFUTILS +KMOD +IDN2 -IDN +PCRE2 default-hierarchy=unified) [ 10.813834] systemd[1]: Detected architecture x86-64. Welcome to Debian GNU/Linux 11 (bullseye)! [ 10.843410] systemd[1]: Set hostname to . [ 11.386009] systemd[1]: Queued start job for default target Graphical Interface. [ 11.397349] systemd[1]: Created slice system-getty.slice. [ OK ] Created slice system-getty.slice. [ 11.413207] systemd[1]: Created slice system-modprobe.slice. [ OK ] Created slice system-modprobe.slice. [ 11.429226] systemd[1]: Created slice system-serial\x2dgetty.slice. [ OK ] Created slice system-serial\x2dgetty.slice. [ 11.446178] systemd[1]: Created slice User and Session Slice. [ OK ] Created slice User and Session Slice. [ 11.462106] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [ OK ] Started Dispatch Password …ts to Console Directory Watch. [ 11.480993] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [ OK ] Started Forward Password R…uests to Wall Directory Watch. [ 11.502712] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point. [ OK ] Set up automount Arbitrary…s File System Automount Point. [ 11.525861] systemd[1]: Reached target Local Encrypted Volumes. [ OK ] Reached target Local Encrypted Volumes. [ 11.541934] systemd[1]: Reached target Paths. [ OK ] Reached target Paths. [ 11.552809] systemd[1]: Reached target Remote File Systems. [ OK ] Reached target Remote File Systems. [ 11.568893] systemd[1]: Reached target Slices. [ OK ] Reached target Slices. [ 11.579812] systemd[1]: Reached target Swap. [ OK ] Reached target Swap. [ 11.591111] systemd[1]: Listening on initctl Compatibility Named Pipe. [ OK ] Listening on initctl Compatibility Named Pipe. [ 11.609091] systemd[1]: Listening on Journal Audit Socket. [ OK ] Listening on Journal Audit Socket. [ 11.626139] systemd[1]: Listening on Journal Socket (/dev/log). [ OK ] Listening on Journal Socket (/dev/log). [ 11.642228] systemd[1]: Listening on Journal Socket. [ OK ] Listening on Journal Socket. [ 11.657994] systemd[1]: Listening on Network Service Netlink Socket. [ OK ] Listening on Network Service Netlink Socket. [ 11.677722] systemd[1]: Listening on udev Control Socket. [ OK ] Listening on udev Control Socket. [ 11.693140] systemd[1]: Listening on udev Kernel Socket. [ OK ] Listening on udev Kernel Socket. [ 11.710714] systemd[1]: Mounting Huge Pages File System... Mounting Huge Pages File System... [ 11.727350] systemd[1]: Mounting POSIX Message Queue File System... Mounting POSIX Message Queue File System... [ 11.745360] systemd[1]: Mounting Kernel Debug File System... Mounting Kernel Debug File System... [ 11.761351] systemd[1]: Mounting Kernel Trace File System... Mounting Kernel Trace File System... [ 11.786508] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting Create list of st…odes for the current kernel... [ 11.806314] systemd[1]: Starting Load Kernel Module configfs... Starting Load Kernel Module configfs... [ 11.821509] systemd[1]: Starting Load Kernel Module drm... Starting Load Kernel Module drm... [ 11.835281] systemd[1]: Starting Load Kernel Module fuse... Starting Load Kernel Module fuse... [ 11.875346] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. [ 11.885794] fuse: init (API version 7.32) [ 11.891993] systemd[1]: Starting Journal Service... Starting Journal Service... [ 11.908330] systemd[1]: Starting Load Kernel Modules... Starting Load Kernel Modules... [ 11.924216] systemd[1]: Starting Remount Root and Kernel File Systems... Starting Remount Root and Kernel File Systems... [ 11.942694] systemd[1]: Starting Coldplug All udev Devices... Starting Coldplug All udev Devices... [ 11.960922] systemd[1]: Mounted Huge Pages File System. [ OK ] Mounted Huge Pages File System. [ 11.976233] systemd[1]: Mounted POSIX Message Queue File System. [ OK ] Mounted POSIX Message Queue File System. [ 11.993888] systemd[1]: Mounted Kernel Debug File System. [ OK ] Mounted Kernel Debug File System. [ 12.009045] systemd[1]: Mounted Kernel Trace File System. [ OK ] Mounted Kernel Trace File System. [ 12.026572] systemd[1]: Finished Create list of static device nodes for the current kernel. [ OK ] Finished Create list of st… nodes for the current kernel. [ 12.048489] systemd[1]: modprobe@configfs.service: Succeeded. [ 12.055492] systemd[1]: Finished Load Kernel Module configfs. [ OK ] Finished Load Kernel Module configfs. [ 12.071967] systemd[1]: Started Journal Service. [ OK ] Started Journal Service. [ OK ] Finished Load Kernel Module drm. [ OK ] Finished Load Kernel Module fuse. [ OK ] Finished Load Kernel Modules. [ OK ] Finished Remount Root and Kernel File Systems. Mounting FUSE Control File System... Mounting Kernel Configuration File System... Starting Flush Journal to Persistent Storage... Starting Load/Save Random Seed... Starting Apply Kernel Variables... Starting Create System Users... [ OK ] Mounted FUSE Control File System[0[ 12.196204] systemd-journald[199]: Received client request to flush runtime journal. m. [ OK ] Mounted Kernel Configuration File System. [ OK ] Finished Load/Save Random Seed. [ OK ] Finished Apply Kernel Variables. [ OK ] Finished Coldplug All udev Devices. [ OK ] Finished Create System Users. Starting Create Static Device Nodes in /dev... [ OK ] Finished Flush Journal to Persistent Storage. [ 13.731167] systemd-tmpfile (211) 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 ] 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 ] Finished Update UTMP about System Boot/Shutdown. [ OK ] Finished Load/Save Screen … of backlight:intel_backlight. [ OK ] Started Network Service. Starting Network Name Resolution... [ OK ] Started Network Time Synchronization. [ OK ] Reached target System Initialization. [ OK ] Started Daily Cleanup of Temporary Directories. [ OK ] Reached target System Time Set. [ OK ] Reached target System Time Synchronized. [ OK ] Started Daily apt download activities. [ OK ] Started Daily apt upgrade and clean activities. [ OK ] Started Periodic ext4 Onli…ata Check for All Filesystems. [ OK ] Started Discard unused blocks once a week. [ OK ] Reached target Timers. [ OK ] Listening on D-Bus System Message Bus Socket. [ OK ] Reached target Sockets. [ OK ] Reached target Basic System. [ OK ] Started D-Bus System Message Bus. Starting Remove Stale Onli…t4 Metadata Check Snapshots... Starting User Login Management... [ 15.566444] e2scrub_all (256) used greatest stack depth: 12464 bytes left [ OK ] Finished Remove Stale Onli…ext4 Metadata Check Snapshots. [ OK ] Started User Login Management. [ OK ] Started Network Name Resolution. [ OK ] Reached target Network. [ OK ] Reached target Host and Network Name Lookups. Starting Permit User Sessions... [ OK ] Finished Permit User Sessions. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttyS0. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Finished Update UTMP about System Runlevel Changes. Debian GNU/Linux 11 debian-bullseye-amd64 ttyS0 debian-bullseye-amd64 login: root (automatic login) Linux debian-bullseye-amd64 5.10.158-cip22 #1 SMP Sat Dec 10 00:57:37 UTC 2022 x86_64 The programs included with the Debian GNU/Linux system are free software; the exact distribution terms for each program are described in the individual files in /usr/share/doc/*/copyright. Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent permitted by applicable law. / # / # export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/8315051/extract-nfsrootfs-0qybqveu' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/8315051/extract-nfsrootfs-0qybqveu' / # 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-8315051/environment . /lava-8315051/environment / # /lava-8315051/bin/lava-test-runner /lava-8315051/0 /lava-8315051/bin/lava-test-runner /lava-8315051/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-8315051/0/tests/0_timesync-off ++ cat uuid + UUID=8315051_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-8315051/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=8315051_1.5.2.3.5 + set +x + cd ./automated/linux/kselftest/ + ./kselftest.sh -c lkdtm -T '' -t kselftest_armhf.tar.gz -s false -u http://storage.kernelci.org/cip/linux-5.10.y-cip/v5.10.158-cip22/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-8315051/0/tests/1_kselftest-lkdtm/automated/linux/kselftest/skipfile-lkft.yaml INFO: Using the following generated skipfile contents (until EOF): breakpoints:breakpoint_test breakpoints:step_after_suspend_test ftrace:ftracetest net:rtnetlink.sh net:tls netfilter:bridge_brouter.sh netfilter:nft_flowtable.sh netfilter:nft_trans_stress.sh pidfd:pidfd_wait INFO: EOF INFO: Installing sed perl wget xz-utils iproute2 Hit:1 http://deb.debian.org/debian bullseye InRelease Reading package lists... Reading package lists... Building dependency tree... Reading state information... iproute2 is already the newest version (5.10.0-4). perl is already the newest version (5.32.1-4+deb11u2). sed is already the newest version (4.7-1). wget is already the newest version (1.21-1+deb11u1). xz-utils is already the newest version (5.2.5-2.1~deb11u1). 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. --2022-12-10 01:19:41-- http://storage.kernelci.org/cip/linux-5.10.y-cip/v5.10.158-cip22/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: 3542300 (3.4M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 1%[ ] 50.15K 176KB/s kselftest.tar.xz 6%[> ] 216.08K 378KB/s kselftest.tar.xz 23%[===> ] 829.78K 711KB/s kselftest.tar.xz 78%[==============> ] 2.66M 1.91MB/s kselftest.tar.xz 85%[================> ] 2.89M 1.71MB/s kselftest.tar.xz 100%[===================>] 3.38M 1.98MB/s in 1.7s 2022-12-10 01:19:43 (1.98 MB/s) - 'kselftest.tar.xz' saved [3542300/3542300] 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 =============== [ 47.893487] 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 [ 48.061498] lkdtm: Performing direct entry BUG [ 48.066572] ------------[ cut here ]------------ [ 48.071750] kernel BUG at drivers/misc/lkdtm/bugs.c:76! [ 48.077627] invalid opcode: 0000 [#1] SMP PTI [ 48.082488] CPU: 2 PID: 733 Comm: cat Tainted: G W 5.10.158-cip22 #1 [ 48.091032] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 48.097839] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 48.102221] Code: 89 ff e8 5e a6 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 00 a6 93 02 [ 48.123196] RSP: 0018:ffffae2c414a7e60 EFLAGS: 00010282 [ 48.129022] RAX: ffffffffb0ae0010 RBX: 0000000000000001 RCX: 0000000000000000 [ 48.136990] RDX: 0000000000000000 RSI: ffff8c497ad1bf70 RDI: ffffffffb17cdcb0 [ 48.144959] RBP: ffffffffb1c14390 R08: 0000000000000001 R09: 0000000000000001 [ 48.152929] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 48.160900] R13: ffffae2c414a7f10 R14: ffffae2c414a7f10 R15: ffff8c4906459000 [ 48.168870] FS: 00007f66c2a6f580(0000) GS:ffff8c497ad00000(0000) knlGS:0000000000000000 [ 48.177909] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.184325] CR2: 00007f66c2878000 CR3: 00000001026de005 CR4: 00000000003706e0 [ 48.192294] Call Trace: [ 48.195023] direct_entry.cold+0x2c/0x38 [ 48.199403] full_proxy_write+0x53/0x80 [ 48.203685] vfs_write+0xe7/0x3a0 [ 48.207384] ksys_write+0x68/0xf0 [ 48.211083] do_syscall_64+0x30/0x40 [ 48.215072] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 48.220704] RIP: 0033:0x7f66c29858f3 [ 48.224691] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 48.245674] RSP: 002b:00007fffeb4a9e28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 48.254131] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f66c29858f3 [ 48.262093] RDX: 0000000000000004 RSI: 00007f66c2878000 RDI: 0000000000000001 [ 48.270053] RBP: 00007f66c2878000 R08: 00007f66c2877010 R09: 0000000000000000 [ 48.278024] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 48.285993] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 48.293968] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 48.320416] ---[ end trace 3cde216e32c10be0 ]--- [ 48.325618] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 48.330006] Code: 89 ff e8 5e a6 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 00 a6 93 02 [ 48.350998] RSP: 0018:ffffae2c414a7e60 EFLAGS: 00010282 [ 48.356865] RAX: ffffffffb0ae0010 RBX: 0000000000000001 RCX: 0000000000000000 [ 48.364868] RDX: 0000000000000000 RSI: ffff8c497ad1bf70 RDI: ffffffffb17cdcb0 [ 48.372845] RBP: ffffffffb1c14390 R08: 0000000000000001 R09: 0000000000000001 [ 48.380846] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 48.388849] R13: ffffae2c414a7f10 R14: ffffae2c414a7f10 R15: ffff8c4906459000 [ 48.396852] FS: 00007f66c2a6f580(0000) GS:ffff8c497ad00000(0000) knlGS:0000000000000000 [ 48.405922] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.412371] CR2: 00007f66c2878000 CR3: 00000001026de005 CR4: 00000000003706e0 # Segmentation fault # [ 48.061498] lkdtm: Performing direct entry BUG # [ 48.066572] ------------[ cut here ]------------ # [ 48.071750] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 48.077627] invalid opcode: 0000 [#1] SMP PTI # [ 48.082488] CPU: 2 PID: 733 Comm: cat Tainted: G W 5.10.158-cip22 #1 # [ 48.091032] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 48.097839] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 48.102221] Code: 89 ff e8 5e a6 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 00 a6 93 02 # [ 48.123196] RSP: 0018:ffffae2c414a7e60 EFLAGS: 00010282 # [ 48.500164] lkdtm: Performing direct entry WARNING [ 48.129022] RAX: ffffffffb0ae0010 RBX: 0000000000000001 RCX: [ 48.509014] ------------[ cut here ]------------ 0000000000000000 # [ 48.136990] RDX: 0000000000000000 RSI: ff[ 48.520397] WARNING: CPU: 1 PID: 769 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 ff8c497ad1bf70 RDI: ffffffffb17cdcb0 # [ 48.144959] RBP: ffff[ 48.536020] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify ffffb1c14390 R08: 0000000000000001 R09: 0000000000000001 # [ [ 48.568664] CPU: 1 PID: 769 Comm: cat Tainted: G D W 5.10.158-cip22 #1 48.152929] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000[ 48.583434] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 000000000004 # [ 48.160900] R13: ffffae2c414a7f10 R14: ffffae[ 48.596462] RIP: 0010:lkdtm_WARNING+0x13/0x20 2c414a7f10 R15: ffff8c4906459000 # [ 48.168870] FS: 00007f66[ 48.607542] 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 00 a6 93 02 01 75 05 c3 cc cc cc cc <0f> 0b c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 e1 a5 c2a6f580(0000) GS:ffff8c497ad00000(0000) knlGS:0000000000000000 [ 48.634748] RSP: 0018:ffffae2c4152fe60 EFLAGS: 00010202 [ 48.646799] RAX: ffffffffb0ae0020 RBX: 0000000000000002 RCX: 0000000000000000 # [ 48.177909] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050[ 48.654775] RDX: 0000000000000000 RSI: ffff8c497ac9bf70 RDI: ffffffffb17cdcc0 033 # [ 48.184325] CR2: 00007f66c2878000 CR3: 00000001026de00[ 48.668982] RBP: ffffffffb1bb8ca7 R08: 0000000000000000 R09: 0000000000000000 5 CR4: 00000000003706e0 # [ 48.192294] Call Trace: # [ 48.[ 48.683153] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 [ 48.697341] R13: ffffae2c4152ff10 R14: ffffae2c4152ff10 R15: ffff8c490545b000 195023] direct_entry.cold+0x2c/0x38 # [ 48.199403] full_pro[ 48.705317] FS: 00007f4be3749580(0000) GS:ffff8c497ac80000(0000) knlGS:0000000000000000 xy_write+0x53/0x80 # [ 48.203685] vfs_write+0xe7/0x3a0 # [ [ 48.720577] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.733213] CR2: 00007f4be3552000 CR3: 00000001057dc003 CR4: 00000000003706e0 48.207384] ksys_write+0x68/0xf0 # [ 48.211083] do_syscall[ 48.741187] Call Trace: _64+0x30/0x40 # [ 48.215072] entry_SYSCALL_64_after_hwframe+[ 48.750128] direct_entry.cold+0x2c/0x38 0x61/0xc6 # [ 48.220704] RIP: 0033:0x7f66c29858f3 # [ 48.2[ 48.760726] full_proxy_write+0x53/0x80 24691] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff [ 48.771223] vfs_write+0xe7/0x3a0 ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 0[ 48.781141] ksys_write+0x68/0xf0 0 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 [ 48.791059] do_syscall_64+0x30/0x40 48 89 54 24 18 # [ 48.245674] RSP: 002b:00007fffeb4a9e28 EFLA[ 48.801267] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 48.813126] RIP: 0033:0x7f4be365f8f3 GS: 00000246 ORIG_RAX: 0000000000000001 # [ 48.254131] RAX: f[ 48.817118] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 fffffffffffffda RBX: 0000000000000004 RCX: 00007f66c29858f3 # [[ 48.844317] RSP: 002b:00007ffe2d6645a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 48.858992] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f4be365f8f3 48.262093] RDX: 0000000000000004 RSI: 00007f66c2878000 RDI: 0[ 48.866968] RDX: 0000000000000008 RSI: 00007f4be3552000 RDI: 0000000000000001 [ 48.881150] RBP: 00007f4be3552000 R08: 00007f4be3551010 R09: 0000000000000000 000000000000001 # [ 48.270053] RBP: 00007f66c2878000 R08: 000[ 48.889124] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 07f66c2877010 R09: 0000000000000000 # [ 48.278024] R10: fffff[ 48.903311] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 4[ 48.917522] irq event stamp: 0 [ 48.927126] hardirqs last enabled at (0): [<0000000000000000>] 0x0 8.285993] R13: 0000000000000001 R14: 0000000000020000 R15: 00000[ 48.934132] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 48.949480] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 00000020000 # [ 48.293968] Modules linked in: fuse ip_tables [ 48.958626] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 48.971839] ---[ end trace 3cde216e32c10be1 ]--- cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 48.320416] ---[ end trace 3cde216e32c10be0 ]--- # [ 48.325618] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 48.330006] Code: 89 ff e8 5e a6 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 00 a6 93 02 # [ 48.350998] RSP: 0018:ffffae2c414a7e60 EFLAGS: 00010282 # [ 48.356865] RAX: ffffffffb0ae0010 RBX: 0000000000000001 RCX: 0000000000000000 # [ 48.364868] RDX: 0000000000000000 RSI: ffff8c497ad1bf70 RDI: ffffffffb17cdcb0 # [ 48.372845] RBP: ffffffffb1c14390 R08: 000000000000000[ 49.052605] lkdtm: Performing direct entry WARNING_MESSAGE 1 R09: 0000000000000001 # [ 48.380846] R10: 00000000ffffe000 [ 49.063923] ------------[ cut here ]------------ R11: 3fffffffffffffff R12: 0000000000000004 # [ 48.388849] R1[ 49.075300] Warning message trigger count: 2 3: ffffae2c414a7f10 R14: ffffae2c414a7f10 R15: ffff8c4906459000 [ 49.086313] WARNING: CPU: 1 PID: 804 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 48.396852] FS: 00007f66c2a6f580(0000) GS:ffff8c497ad0000[ 49.102708] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 0(0000) knlGS:0000000000000000 # [ 48.405922] CS: 0010 DS: 0[ 49.135355] CPU: 1 PID: 804 Comm: cat Tainted: G D W 5.10.158-cip22 #1 [ 49.150126] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 000 ES: 0000 CR0: 0000000080050033 # [ 48.412371] CR2: 00007f[ 49.156938] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 66c2878000 CR3: 00000001026de005 CR4: 00000000003706e0 # BUG: s[ 49.168792] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 e1 a5 93 02 48 c7 c7 08 92 bb b1 8d 70 01 89 35 d1 a5 93 02 e8 9a 37 66 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 aw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftes[ 49.196003] RSP: 0018:ffffae2c415b7e60 EFLAGS: 00010286 ts: lkdtm: WARNING.sh # [ 48.500164] lkdtm: Performing direct[ 49.208056] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 entry WARNING # [ 48.509014] ------------[ cut here ]-------[ 49.222271] RDX: ffff8c497acac660 RSI: ffff8c497ac9bf70 RDI: ffff8c497ac9bf70 ----- # [ 48.520397] WARNING: CPU: 1 PID: 769 at drivers/misc[ 49.236439] RBP: ffffffffb1bb8caf R08: 0000000000000000 R09: 0000000000000000 /lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 # [ 48.536020] Modul[ 49.250632] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 es linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_cor[ 49.264821] R13: ffffae2c415b7f10 R14: ffffae2c415b7f10 R15: ffff8c49030d2000 e industrialio_triggered_buffer kfifo_buf industrialio cros_ec_l[ 49.279012] FS: 00007f1156097580(0000) GS:ffff8c497ac80000(0000) knlGS:0000000000000000 ightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_se[ 49.294272] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 nsorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ [ 49.306910] CR2: 00007f1155ea0000 CR3: 00000001056da003 CR4: 00000000003706e0 48.568664] CPU: 1 PID: 769 Comm: cat Tainted: G D W [ 49.321103] Call Trace: 5.10.158-cip22 #1 # [ 48.583434] Hardware name: Google Ram[ 49.330055] direct_entry.cold+0x2c/0x38 mus/Rammus, BIOS 09/04/2020 # [ 48.596462] RIP: 0010:lkdtm_W[ 49.340653] full_proxy_write+0x53/0x80 ARNING+0x13/0x20 # [ 48.607542] Code: c0 f4 ff ff ff eb c9 0f[ 49.351153] vfs_write+0xe7/0x3a0 1f 44 00 00 0f 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 [ 49.361068] ksys_write+0x68/0xf0 05 00 a6 93 02 01 75 05 c3 cc cc cc cc <0f> 0b c3 cc cc cc cc 66[ 49.370987] do_syscall_64+0x30/0x40 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 e1 a5 # [ 48.634748] RSP[ 49.381198] entry_SYSCALL_64_after_hwframe+0x61/0xc6 : 0018:ffffae2c4152fe60 EFLAGS: 00010202 # [ 48.646799] RAX: [ 49.393057] RIP: 0033:0x7f1155fad8f3 ffffffffb0ae0020 RBX: 0000000000000002 RCX: 0000000000000000 # [ 49.403263] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 48.654775] RDX: 0000000000000000 RSI: ffff8c497ac9bf70 RDI: [ 49.430470] RSP: 002b:00007fff1976fab8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 ffffffffb17cdcc0 # [ 48.668982] RBP: ffffffffb1bb8ca7 R08: 00[ 49.445146] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f1155fad8f3 00000000000000 R09: 0000000000000000 # [ 48.683153] R10: 0000[ 49.459337] RDX: 0000000000000010 RSI: 00007f1155ea0000 RDI: 0000000000000001 0000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 # [ [ 49.473531] RBP: 00007f1155ea0000 R08: 00007f1155e9f010 R09: 0000000000000000 48.697341] R13: ffffae2c4152ff10 R14: ffffae2c4152ff10 R15: ffff[ 49.487721] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 8c490545b000 # [ 48.705317] FS: 00007f4be3749580(0000) GS:ff[ 49.501913] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ff8c497ac80000(0000) knlGS:0000000000000000 # [ 48.720577] CS[ 49.516110] irq event stamp: 0 : 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 48.733213[ 49.525731] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ] CR2: 00007f4be3552000 CR3: 00000001057dc003 CR4: 0000000000370[ 49.538954] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 6e0 # [ 48.741187] Call Trace: # [ 48.750128] direct_entr[ 49.554309] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 y.cold+0x2c/0x38 # [ 48.760726] full_proxy_write+0x53/0x80 [ 49.569666] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 48.771223] vfs_write+0xe7/0x3a0 # [ 48.781141] ksys_w[ 49.582888] ---[ end trace 3cde216e32c10be2 ]--- rite+0x68/0xf0 # [ 48.791059] do_syscall_64+0x30/0x40 # [ 48.801267] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 48.813126] RIP: 0033:0x7f4be365f8f3 # [ 48.817118] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 48.844317] RSP: 002b:00007ffe2d6645a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 48.858992] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f4be365f8f3 # [ 48.866968] RDX: 0000000000000008 RSI: 00007f4be3552000 RDI: 0000000000000001 # [ 48.881150] RBP: 00007f4be3552000 R08: 00007f4be3551010 R09: 0000000000000000 # [ 48.889124] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 48.903311] R13: 00000[ 49.669097] lkdtm: Performing direct entry EXCEPTION [ 49.680617] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 49.688399] #PF: supervisor write access in kernel mode [ 49.694230] #PF: error_code(0x0002) - not-present page [ 49.699965] PGD 0 P4D 0 [ 49.702781] Oops: 0002 [#2] SMP PTI [ 49.706664] CPU: 3 PID: 836 Comm: cat Tainted: G D W 5.10.158-cip22 #1 [ 49.715209] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 49.722019] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 [ 49.726979] Code: 48 c7 c7 08 92 bb b1 8d 70 01 89 35 d1 a5 93 02 e8 9a 37 66 00 0f 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 04 25 00 00 00 00 00 00 00 00 c3 cc cc cc cc 66 66 2e 0f 1f 84 [ 49.747965] RSP: 0018:ffffae2c4147fe60 EFLAGS: 00010282 [ 49.753800] RAX: ffffffffb0ae0070 RBX: 0000000000000004 RCX: 0000000000000000 [ 49.761769] RDX: 0000000000000000 RSI: ffff8c497ad9bf70 RDI: ffffffffb17cdce0 [ 49.769740] RBP: ffffffffb1aedfcf R08: 0000000000000000 R09: 0000000000000000 [ 49.777710] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 49.785680] R13: ffffae2c4147ff10 R14: ffffae2c4147ff10 R15: ffff8c4903331000 [ 49.793651] FS: 00007fbca78dd580(0000) GS:ffff8c497ad80000(0000) knlGS:0000000000000000 [ 49.802688] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.809104] CR2: 0000000000000000 CR3: 0000000103322005 CR4: 00000000003706e0 [ 49.817076] Call Trace: [ 49.819804] direct_entry.cold+0x2c/0x38 [ 49.824183] full_proxy_write+0x53/0x80 [ 49.828463] vfs_write+0xe7/0x3a0 [ 49.832162] ksys_write+0x68/0xf0 [ 49.835861] do_syscall_64+0x30/0x40 [ 49.839851] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 49.845490] RIP: 0033:0x7fbca77f38f3 [ 49.849478] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 49.870465] RSP: 002b:00007fff06242978 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 49.878921] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fbca77f38f3 [ 49.886892] RDX: 000000000000000a RSI: 00007fbca76e6000 RDI: 0000000000000001 [ 49.894862] RBP: 00007fbca76e6000 R08: 00007fbca76e5010 R09: 0000000000000000 [ 49.902832] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 49.910804] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 49.918779] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 00000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 4[ 49.945243] CR2: 0000000000000000 [ 49.955155] ---[ end trace 3cde216e32c10be3 ]--- [ 49.960310] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 49.964687] Code: 89 ff e8 5e a6 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 00 a6 93 02 [ 49.985672] RSP: 0018:ffffae2c414a7e60 EFLAGS: 00010282 [ 49.991506] RAX: ffffffffb0ae0010 RBX: 0000000000000001 RCX: 0000000000000000 [ 49.999476] RDX: 0000000000000000 RSI: ffff8c497ad1bf70 RDI: ffffffffb17cdcb0 [ 50.007446] RBP: ffffffffb1c14390 R08: 0000000000000001 R09: 0000000000000001 [ 50.015416] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 50.023387] R13: ffffae2c414a7f10 R14: ffffae2c414a7f10 R15: ffff8c4906459000 [ 50.031356] FS: 00007fbca78dd580(0000) GS:ffff8c497ad80000(0000) knlGS:0000000000000000 [ 50.040396] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.046803] CR2: 0000000000000000 CR3: 0000000103322005 CR4: 00000000003706e0 [ 50.054774] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 50.064695] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 836, name: cat [ 50.073054] INFO: lockdep is turned off. [ 50.077431] irq event stamp: 0 [ 50.080838] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 50.087839] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 50.096976] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 50.106111] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 50.113111] CPU: 3 PID: 836 Comm: cat Tainted: G D W 5.10.158-cip22 #1 [ 50.121662] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 50.128466] Call Trace: [ 50.131193] dump_stack+0x77/0x9b [ 50.134891] ___might_sleep.cold+0xa6/0xb6 [ 50.139455] exit_signals+0x1c/0x2e0 [ 50.143444] do_exit+0xd5/0xb00 [ 50.146948] ? ksys_write+0x68/0xf0 [ 50.150841] rewind_stack_do_exit+0x17/0x20 [ 50.155500] RIP: 0033:0x7fbca77f38f3 [ 50.159489] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 50.180475] RSP: 002b:00007fff06242978 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 50.188933] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fbca77f38f3 [ 50.196903] RDX: 000000000000000a RSI: 00007fbca76e6000 RDI: 0000000000000001 [ 50.204874] RBP: 00007fbca76e6000 R08: 00007fbca76e5010 R09: 0000000000000000 [ 50.212843] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 50.220812] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 8.917522] irq event stamp: 0 # [ 48.927126] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 48.934132] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 48.949480] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 48.958626] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 48.971839] ---[ end trace 3cde216e32c10be1 ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ 49.052605] lkdtm: Performing direct entry WARNING_MESSAGE # [ 49.063923] ------------[ cut here ]------------ # [ 49.075300] Warning message trigger count: 2 # [ 49.086313] WARNING: CPU: 1 PID: 804 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 49.102708] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 49.135355] CPU: 1 PID: 804 Comm: cat Tainted: G D W 5.10.158-cip22 #1 # [ 49.150126] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 49.156938] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 49.168792] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 e1 a5 93 02 48 c7 c7 08 92 bb b1 8d 70 01 89 35 d1 a5 93 02 e8 9a 37 66 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 # [ 49.196003] RSP: 0018:ffffae2c415b7e60 EFLAGS: 00010286 # [ 49.208056] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 # [ 49.222271] RDX: ffff8c497acac660 RSI: ffff8c497ac9bf70 RDI: ffff8c497ac9bf70 # [ 49.236439] RBP: ffffffffb1bb8caf R08: 0000000000000000 R09: 0000000000000000 # [ 49.250632] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 # [ 49.264821] R13: ffffae2c415b7f10 R14: ffffae2c415b7f10 R15: ffff8c49030d2000 # [ 49.279012] FS: 00007f1156097580(0000) GS:ffff8c497ac80000(0000) knlGS:0000000000000000 # [ 49.294272] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 49.306910] CR2: 00007f1155ea0000 CR3: 00000001056da003 CR4: 000000[ 50.441468] lkdtm: Performing direct entry CORRUPT_LIST_ADD [ 50.452588] lkdtm: attempting good list addition 00003706e0 # [ 49.321103] Call Trace: # [ 49.330055] dire[ 50.457759] lkdtm: attempting corrupted list addition [ 50.469626] lkdtm: list_add() corruption not detected! ct_entry.cold+0x2c/0x38 # [ 49.340653] full_proxy_write+0x53/0x80 # [ 49.351153] vfs_write+0xe7/0x3a0 # [ 49.361068] ksys_write+0x68/0xf0 # [ 49.370987] do_syscall_64+0x30/0x40 # [ 49.381198] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 49.393057] RIP: 0033:0x7f1155fad8f3 # [ 49.403263] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 49.430470] RSP: 002b:00007fff1976fab8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 49.445146] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f1155fad8f3 # [ 49.459337] RDX: 0000000000000010 RSI: 00007f1155ea0000 RDI: 0000000000000001 # [ 49.473531] RBP: 00007f1155ea0000 R08: 00007f1155e9f010[ 50.553299] lkdtm: Performing direct entry CORRUPT_LIST_DEL [ 50.562427] lkdtm: attempting good list removal [ 50.567489] lkdtm: attempting corrupted list removal R09: 0000000000000000 # [ 49.487721] R10: fffffffffffffbc5 R[ 50.573040] lkdtm: list_del() corruption not detected! 11: 0000000000000246 R12: 0000000000000001 # [ 49.501913] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 49.516110] irq event stamp: 0 # [ 49.525731] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 49.538954] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 49.554309] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 49.569666] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 49.582888] ---[ end trace 3cde216e32c10be2 ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCEPTION.sh # Killed # [ 49.669097] lkdtm: Performing direct entry EXCEPTION # [ 49.680617] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 49.688399] #PF: supervisor write access in kernel mode # [ 49.694230] #PF: error_code(0x0002) - not-present page # [ 49.699965] PGD 0 P4D 0 # [ 49.702781] Oops: 0002 [#2] SMP PTI # [ 49.706664] CPU: 3 PID: 836 Comm: cat Tainted: G D W 5.10.158-cip22 #1 # [ 49.715209] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 49.722019] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 # [ 49.726979] Code: 48 c7 c7 08 92 bb b1 8d 70 01 89 35 d1 a5 93 02 e8 9a 37 66 00 0f 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 04 25 00 00 00 00 00 00 00 00 c3 cc cc cc cc 66 66 2e 0f 1f 84 # [ 49.[ 50.722729] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING 747965] RSP: 0018:ffffae2c4147fe60 EFLAGS: 00010282 # [ 49.75[ 50.734935] lkdtm: attempting bad read from page below current stack 3800] RAX: ffffffffb0ae0070 RBX: 0000000000000004 RCX: 000000000[ 50.748269] BUG: stack guard page was hit at 0000000096e08cd1 (stack is 00000000f520c6b2..0000000089cfbb53) [ 50.765347] kernel stack overflow (page fault): 0000 [#3] SMP PTI [ 50.772155] CPU: 1 PID: 1061 Comm: cat Tainted: G D W 5.10.158-cip22 #1 [ 50.780806] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 50.787632] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a 0000000 # [ 49.761769] RDX: 0000000000000000 RSI: ffff8c497ad[ 50.794148] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 a8 95 bb b1 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 32 a0 fd ff 48 c7 c7 e8 95 bb b1 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 18 a0 fd ff 0f 1f 44 [ 50.821348] RSP: 0018:ffffae2c41937e50 EFLAGS: 00010246 [ 50.827184] RAX: 0000000000000038 RBX: ffffae2c41934000 RCX: 0000000000000000 [ 50.835148] RDX: 0000000000000000 RSI: ffff8c497ac9bf70 RDI: ffffffffb1bb95e8 [ 50.843111] RBP: ffffffffb1bb8d12 R08: 0000000000000000 R09: 0000000000000000 [ 50.851082] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 [ 50.859053] R13: ffffae2c41937f10 R14: ffffae2c41937f10 R15: ffff8c4904e52000 [ 50.867026] FS: 00007f7e8ff36580(0000) GS:ffff8c497ac80000(0000) knlGS:0000000000000000 [ 50.876056] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.882473] CR2: ffffae2c41933fff CR3: 0000000103188002 CR4: 00000000003706e0 [ 50.890444] Call Trace: [ 50.893171] ? lkdtm_CORRUPT_LIST_DEL+0xe0/0xe0 [ 50.898231] direct_entry.cold+0x2c/0x38 [ 50.902627] full_proxy_write+0x53/0x80 9bf70 RDI: ffffffffb17cdce0 # [ 49.769740] RBP: ffffffffb1aed[ 50.906910] vfs_write+0xe7/0x3a0 [ 50.916821] ksys_write+0x68/0xf0 [ 50.920522] do_syscall_64+0x30/0x40 [ 50.924514] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 50.930154] RIP: 0033:0x7f7e8fe4c8f3 [ 50.934144] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 50.955132] RSP: 002b:00007ffe9c671048 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 50.963590] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f7e8fe4c8f3 [ 50.971571] RDX: 0000000000000019 RSI: 00007f7e8fd3f000 RDI: 0000000000000001 [ 50.979533] RBP: 00007f7e8fd3f000 R08: 00007f7e8fd3e010 R09: 0000000000000000 [ 50.987504] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 50.995475] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 fcf R08: 0000000000000000 R09: 0000000000000000 # [ 49.777710[ 51.003449] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 51.036094] ---[ end trace 3cde216e32c10be4 ]--- [ 51.041241] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 51.045623] Code: 89 ff e8 5e a6 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 00 a6 93 02 [ 51.066619] RSP: 0018:ffffae2c414a7e60 EFLAGS: 00010282 [ 51.072455] RAX: ffffffffb0ae0010 RBX: 0000000000000001 RCX: 0000000000000000 [ 51.080418] RDX: 0000000000000000 RSI: ffff8c497ad1bf70 RDI: ffffffffb17cdcb0 [ 51.088391] RBP: ffffffffb1c14390 R08: 0000000000000001 R09: 0000000000000001 [ 51.096353] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 51.104323] R13: ffffae2c414a7f10 R14: ffffae2c414a7f10 R15: ffff8c4906459000 [ 51.112294] FS: 00007f7e8ff36580(0000) GS:ffff8c497ac80000(0000) knlGS:0000000000000000 [ 51.121333] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.127748] CR2: ffffae2c41933fff CR3: 0000000103188002 CR4: 00000000003706e0 [ 51.135719] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 51.145633] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1061, name: cat [ 51.154081] INFO: lockdep is turned off. [ 51.158458] irq event stamp: 0 [ 51.161863] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 51.168864] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 51.178002] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 51.187131] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 51.194131] CPU: 1 PID: 1061 Comm: cat Tainted: G D W 5.10.158-cip22 #1 [ 51.202782] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 51.209587] Call Trace: [ 51.212316] dump_stack+0x77/0x9b ] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000[ 51.216017] ___might_sleep.cold+0xa6/0xb6 [ 51.226804] exit_signals+0x1c/0x2e0 [ 51.230795] do_exit+0xd5/0xb00 [ 51.234298] ? ksys_write+0x68/0xf0 [ 51.238193] rewind_stack_do_exit+0x17/0x20 [ 51.242864] RIP: 0033:0x7f7e8fe4c8f3 [ 51.246845] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 51.267831] RSP: 002b:00007ffe9c671048 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 51.276289] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f7e8fe4c8f3 [ 51.284251] RDX: 0000000000000019 RSI: 00007f7e8fd3f000 RDI: 0000000000000001 [ 51.292223] RBP: 00007f7e8fd3f000 R08: 00007f7e8fd3e010 R09: 0000000000000000 [ 51.300195] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 51.308166] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 00a # [ 49.785680] R13: ffffae2c4147ff10 R14: ffffae2c4147ff10 R15: ffff8c4903331000 # [ 49.793651] FS: 00007fbca78dd580(0000) GS:ffff8c497ad80000(0000) knlGS:0000000000000000 # [ 49.802688] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 49.809104] CR2: 0000000000000000 CR3: 0000000103322005 CR4: 00000000003706e0 # [ 49.817076] Call Trace: # [ 49.819804] direct_entry.cold+0x2c/0x38 # [ 49.824183] full_proxy_write+0x53/0x80 # [ 49.828463] vfs_write+0xe7/0x3a0 # [ 49.832162] ksys_write+0x68/0xf0 # [ 49.835861] do_syscall_64+0x30/0x40 # [ 49.839851] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 49.845490] RIP: 0033:0x7fbca77f38f3 # [ 49.849478] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 [ 51.401875] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING 24 18 # [ 49.870465] RSP: 002b:00007fff06242978 EFLAGS: 00000[ 51.410258] lkdtm: attempting bad read from page above current stack 246 ORIG_RAX: 0000000000000001 # [ 49.878921] RAX: ffffffffff[ 51.423584] BUG: stack guard page was hit at 000000002f593734 (stack is 00000000d9ad42b3..0000000058c9f938) [ 51.440671] kernel stack overflow (page fault): 0000 [#4] SMP PTI ffffda RBX: 000000000000000a RCX: 00007fbca77f38f3 # [ 49.886[ 51.447477] CPU: 1 PID: 1094 Comm: cat Tainted: G D W 5.10.158-cip22 #1 [ 51.462341] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 51.469150] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d 892] RDX: 000000000000000a RSI: 00007fbca76e6000 RDI: 0000000000[ 51.475763] Code: a0 fd ff 0f 1f 44 00 00 53 48 c7 c7 20 96 bb b1 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 f8 9f fd ff 48 c7 c7 60 96 bb b1 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 db 9f fd ff [ 51.502965] RSP: 0018:ffffae2c419c7e50 EFLAGS: 00010246 [ 51.508799] RAX: 0000000000000038 RBX: ffffae2c419c4000 RCX: 0000000000000000 [ 51.516772] RDX: 0000000000000000 RSI: ffff8c497ac9bf70 RDI: ffffffffb1bb9660 [ 51.524744] RBP: ffffffffb1bb8d2b R08: 0000000000000000 R09: 0000000000000000 [ 51.532715] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a [ 51.540686] R13: ffffae2c419c7f10 R14: ffffae2c419c7f10 R15: ffff8c4904f97000 [ 51.548658] FS: 00007fc6a0e84580(0000) GS:ffff8c497ac80000(0000) knlGS:0000000000000000 [ 51.557689] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.564106] CR2: ffffae2c419c8000 CR3: 00000001054e2004 CR4: 00000000003706e0 [ 51.572078] Call Trace: [ 51.574805] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a 000001 # [ 49.894862] RBP: 00007fbca76e6000 R08: 00007fbca76e[ 51.580642] direct_entry.cold+0x2c/0x38 [ 51.591237] full_proxy_write+0x53/0x80 5010 R09: 0000000000000000 # [ 49.902832] R10: fffffffffffffb[ 51.595522] vfs_write+0xe7/0x3a0 [ 51.605432] ksys_write+0x68/0xf0 [ 51.609131] do_syscall_64+0x30/0x40 [ 51.613122] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 51.618762] RIP: 0033:0x7fc6a0d9a8f3 [ 51.622751] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 51.643739] RSP: 002b:00007ffd243880c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 51.652195] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007fc6a0d9a8f3 [ 51.660166] RDX: 000000000000001a RSI: 00007fc6a0c8d000 RDI: 0000000000000001 [ 51.668138] RBP: 00007fc6a0c8d000 R08: 00007fc6a0c8c010 R09: 0000000000000000 [ 51.676109] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 51.684079] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 c5 R11: 0000000000000246 R12: 0000000000000001 # [ 49.910804][ 51.692054] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 51.724698] ---[ end trace 3cde216e32c10be5 ]--- [ 51.729846] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 51.734225] Code: 89 ff e8 5e a6 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 00 a6 93 02 [ 51.755203] RSP: 0018:ffffae2c414a7e60 EFLAGS: 00010282 [ 51.761037] RAX: ffffffffb0ae0010 RBX: 0000000000000001 RCX: 0000000000000000 [ 51.769009] RDX: 0000000000000000 RSI: ffff8c497ad1bf70 RDI: ffffffffb17cdcb0 [ 51.776981] RBP: ffffffffb1c14390 R08: 0000000000000001 R09: 0000000000000001 [ 51.784952] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 51.792922] R13: ffffae2c414a7f10 R14: ffffae2c414a7f10 R15: ffff8c4906459000 [ 51.800893] FS: 00007fc6a0e84580(0000) GS:ffff8c497ac80000(0000) knlGS:0000000000000000 [ 51.809925] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.816342] CR2: ffffae2c419c8000 CR3: 00000001054e2004 CR4: 00000000003706e0 R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 49.918779] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 49.945243] CR2: 0000000000000000 # [ 49.955155] ---[ end trace 3cde216e32c10be3 ]--- # [ 49.960310] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 49.964687] Code: 89 ff e8 5e a6 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 00 a6 93 02 # [ 49.985672] RSP: 0018:ffffae2c414a7e60 EFLAGS: 00010282 # [ 49.991506] RAX: ffffffffb0ae0010 RBX: 0000000000000001 RCX: 0000000000000000 # [ 49.999476] RDX: 0000000000000000 RSI: ffff[ 51.910305] lkdtm: Performing direct entry UNSET_SMEP [ 51.916974] lkdtm: trying to clear SMEP normally [ 51.922167] ------------[ cut here ]------------ [ 51.927360] pinned CR4 bits changed: 0x100000!? [ 51.932477] WARNING: CPU: 3 PID: 1130 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60 8c497ad1bf70 RDI: ffffffffb17cdcb0 # [ 50.007446] RBP: ffffff[ 51.942696] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 51.975334] CPU: 3 PID: 1130 Comm: cat Tainted: G D W 5.10.158-cip22 #1 [ 51.984024] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 51.990866] RIP: 0010:native_write_cr4+0x45/0x60 [ 51.996027] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d 72 a0 e3 01 00 75 f2 48 c7 c7 f0 7f af b1 c6 05 62 a0 e3 01 01 e8 65 ec e7 00 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 [ 52.017045] RSP: 0018:ffffae2c41a27e48 EFLAGS: 00010286 [ 52.022886] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 0000000000000000 [ 52.030863] RDX: ffff8c497adac660 RSI: ffff8c497ad9bf70 RDI: ffff8c497ad9bf70 [ 52.038840] RBP: ffffffffb1bb8d45 R08: 0000000000000000 R09: 0000000000000000 [ 52.046845] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b [ 52.054820] R13: ffffae2c41a27f10 R14: ffffae2c41a27f10 R15: ffff8c4905718000 [ 52.062797] FS: 00007f205f4c2580(0000) GS:ffff8c497ad80000(0000) knlGS:0000000000000000 [ 52.071842] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.078264] CR2: 00007f205f2cb000 CR3: 000000010308e004 CR4: 00000000003706e0 ffb1c14390 R08: 0000000000000001 R09: 0000000000000001 # [ 50[ 52.086239] Call Trace: .015416] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000[ 52.095188] lkdtm_UNSET_SMEP.cold+0x1d/0x103 0000000004 # [ 50.023387] R13: ffffae2c414a7f10 R14: ffffae2c[ 52.106273] direct_entry.cold+0x2c/0x38 414a7f10 R15: ffff8c4906459000 # [ 50.031356] FS: 00007fbca7[ 52.116868] full_proxy_write+0x53/0x80 [ 52.127372] vfs_write+0xe7/0x3a0 [ 52.131106] ksys_write+0x68/0xf0 [ 52.134811] do_syscall_64+0x30/0x40 [ 52.138836] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 52.144483] RIP: 0033:0x7f205f3d88f3 [ 52.148505] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 52.169500] RSP: 002b:00007ffef4f6a9a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 52.177992] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f205f3d88f3 [ 52.185968] RDX: 000000000000000b RSI: 00007f205f2cb000 RDI: 0000000000000001 [ 52.193944] RBP: 00007f205f2cb000 R08: 00007f205f2ca010 R09: 0000000000000000 [ 52.201918] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 52.209893] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 52.217874] irq event stamp: 0 8dd580(0000) GS:ffff8c497ad80000(0000) knlGS:0000000000000000 #[ 52.221313] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 52.234528] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 52.243700] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 52.252872] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 52.259876] ---[ end trace 3cde216e32c10be6 ]--- [ 52.265033] lkdtm: ok: SMEP did not get cleared [ 52.270094] lkdtm: trying to clear SMEP with call gadget [ 52.276032] lkdtm: ok: SMEP removal was reverted [ 50.040396] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 50.046803] CR2: 0000000000000000 CR3: 0000000103322005 CR4: 00000000003706e0 # [ 50.054774] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 50.064695] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 836, name: cat # [ 50.073054] INFO: lockdep is turned off. # [ 50.077431] irq event stamp: 0 # [ 50.080838] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 50.087839] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 50.096976] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 50.106111] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 50.113111] CPU: 3 PID: 836 Comm: cat Tainted: G D W [ 52.359346] lkdtm: Performing direct entry DOUBLE_FAULT [ 52.367871] lkdtm: XFAIL: this test is ia32-only 5.10.158-cip22 #1 # [ 50.121662] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 50.128466] Call Trace: # [ 50.131193] dump_stack+0x77/0x9b # [ 50.134891] ___might_sleep.cold+0xa6/0xb6 # [ 50.139455] exit_signals+0x1c/0x2e0 # [ 50.143444] do_exit+0xd5/0xb00 # [ 50.146948] ? ksys_write+0x68/0xf0 # [ 50.150841] rewind_stack_do_exit+0x17/0x20 # [ 50.155500] RIP: 0033:0x7fbca77f38f3 # [ 50.159489] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 50.180475] RSP: 002b:00007fff06242978 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 50.188933] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fbca77f38f3 # [ 50.196903] RDX: 000000000000000a RSI: 00007fbca76e6000 RDI: 0000000000000001 # [ 50.204874] RBP: 00007fbca76e6000 R08: 00007fbca76e5010 R09: 0000000000000000 # [ 50.212843] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 50.220812] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXCEPTION: saw 'call trace:': ok ok 5 selftests: lkdtm: EXCEPTION.sh # selftests: lkdtm: LOOP.sh # Skipping LOOP: Hangs the system ok 6 selftests: lkdtm: LOOP.sh # SKIP # selftes[ 52.501244] lkdtm: Performing direct entry CORRUPT_PAC ts: lkdtm: EXHAUST_STACK.sh # Skipping EXHAUST_STACK: Corrupts [ 52.509400] lkdtm: XFAIL: this test is arm64-only memory on failure ok 7 selftests: lkdtm: EXHAUST_STACK.sh # SKIP # selftests: lkdtm: CORRUPT_STACK.sh # Skipping CORRUPT_STACK: Crashes entire system on success ok 8 selftests: lkdtm: CORRUPT_STACK.sh # SKIP # selftests: lkdtm: CORRUPT_STACK_STRONG.sh # Skipping CORRUPT_STACK_STRONG: Crashes entire system on success ok 9 selftests: lkdtm: CORRUPT_STACK_STRONG.sh # SKIP # selftests: lkdtm: CORRUPT_LIST_ADD.sh # [ 50.441468] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 50.452588] lkdtm: attempting good list addition # [ 50.457759] lkdtm: attempting corrupted list addition # [ 50.469626] lkdtm: list_add() corruption not detected! # CORRUPT_LIST_ADD: missing 'list_add corruption': [FAIL] not ok 10 selftests: lkdtm: CORRUPT_LIST_ADD.sh # exit=1 # selftests: lkdtm: CORRUPT_LIST_DEL.sh # [ 50.553299] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 50.[ 52.602727] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE 562427] lkdtm: attempting good list removal # [ 50.567489] lk[ 52.615077] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS dtm: attempting corrupted list removal # [ 50.573040] lkdtm: list_del() corruption not detected! # CORRUPT_LIST_DEL: missing 'list_del corruption': [FAIL] not ok 11 selftests: lkdtm: CORRUPT_LIST_DEL.sh # exit=1 # selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh # Segmentation fault # [ 50.722729] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 50.734935] lkdtm: attempting bad read from page below current stack # [ 50.748269] BUG: stack guard page was hit at 0000000096e08cd1 (stack is 00000000f520c6b2..0000000089cfbb53) # [ 50.765347] kernel stack overflow (page fault): 0000 [#3] SMP PTI # [ 50.772155] CPU: 1 PID: 1061 Comm: cat Tainted: G D W 5.10.158-cip22 #1 # [ 50.780806] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 50.787632] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a # [ 50.794148] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 a8 95 bb b1 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 32 a0 fd ff 48 c7 c7 e8 95 bb b1 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 18 a0 fd ff 0f 1f 44 # [ 50.821348] RSP: 0018:ffffae2c41937e50 EFLAGS: 00010246 # [ 50.827184] RAX: 0000000000000038 RBX: ffffae2c41934000 RCX: 0000000000000000 # [ 50.835148] RDX: 0000000000000000 RSI: ffff8c497ac9bf70 RDI: ffffffffb1bb95e8 # [ 50.843111] RBP: ffffffffb1bb8d12 R[ 52.758482] lkdtm: Performing direct entry READ_AFTER_FREE [ 52.765533] lkdtm: Value in memory before free: 12345678 08: 0000000000000000 R09: 0000000000000000 # [ 50.851082] R10[ 52.771480] lkdtm: Attempting bad read from freed memory [ 52.783626] lkdtm: Memory was not poisoned : 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 # [ 50.859053] R13: ffffae2c41937f10 R14: ffffae2c41937f10 R15: ffff8c4904e52000 # [ 50.867026] FS: 00007f7e8ff36580(0000) GS:ffff8c497ac80000(0000) knlGS:0000000000000000 # [ 50.876056] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 50.882473] CR2: ffffae2c41933fff CR3: 0000000103188002 CR4: 00000000003706e0 # [ 50.890444] Call Trace: # [ 50.893171] ? lkdtm_CORRUPT_LIST_DEL+0xe0/0xe0 # [ 50.898231] direct_entry.cold+0x2c/0x38 # [ 50.902627] full_proxy_write+0x53/0x80 # [ 50.906910] vfs_write+0xe7/0x3a0 # [ 50.916821] ksys_write+0x68/0xf0 # [ 50.920522] do_syscall_64+0x30/0x40 # [ 50.924514] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 50.930154] RIP: 0033:0x7f7e8fe4c8f3 # [ 50.934144] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 50.955132] RSP: 002b:00007ffe9c671048 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 50.963590] RAX: ffffffffffffffda RBX: 000[ 52.897811] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE [ 52.906851] lkdtm: Value in memory before free: 12345678 [ 52.912820] lkdtm: Attempting to read from freed memory 0000000000019 RCX: 00007f7e8fe4c8f3 # [ 50.971571] RDX: 00000[ 52.918670] lkdtm: Buddy page was not poisoned 00000000019 RSI: 00007f7e8fd3f000 RDI: 0000000000000001 # [ 50.979533] RBP: 00007f7e8fd3f000 R08: 00007f7e8fd3e010 R09: 0000000000000000 # [ 50.987504] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 50.995475] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 51.003449] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 51.036094] ---[ end trace 3cde216e32c10be4 ]--- # [ 51.041241] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 51.045623] Code: 89 ff e8 5e a6 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 0[ 53.009220] lkdtm: Performing direct entry SLAB_FREE_DOUBLE [ 53.016908] lkdtm: Attempting double slab free ... 0 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 00 a6 93 02 # [ 51.066619] RSP: 0018:ffffae2c414a7e60 EFLAGS: 00010282 # [ 51.072455] RAX: ffffffffb0ae0010 RBX: 0000000000000001 RCX: 0000000000000000 # [ 51.080418] RDX: 0000000000000000 RSI: ffff8c497ad1bf70 RDI: ffffffffb17cdcb0 # [ 51.088391] RBP: ffffffffb1c14390 R08: 0000000000000001 R09: 0000000000000001 # [ 51.096353] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 51.104323] R13: ffffae2c414a7f10 R14: ffffae2c414a7f10 R15: ffff8c4906459000 # [ 51.112294] FS: 00007f7e8ff36580(0000) GS:ffff8c497ac80000(0000) knlGS:0000000000000000 # [ 51.121333] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 51.127748] CR2: ffffae2c41933fff CR3: 0000000103188002 CR4: 00000000003706e0 # [ 51.135719] BUG: sleeping f[ 53.101663] lkdtm: Performing direct entry SLAB_FREE_CROSS unction called from invalid context at include/linux/percpu-rwse[ 53.109249] lkdtm: Attempting cross-cache slab free ... m.h:49 # [ 51.145633] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1061, name: cat # [ 51.154081] INFO: lockdep is turned off. # [ 51.158458] irq event stamp: 0 # [ 51.161863] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 51.168864] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 51.178002] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 51.187131] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 51.194131] CPU: 1 PID: 1061 Comm: cat Tainted: G D W 5.10.158-cip22 #1 # [ 51.202782] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 51.209587] Call Trace: # [ 51.212316] dump_stack+0x77/0x9b # [ 51.216017] ___might_sleep.cold+0xa6/0xb6 # [ 51.226804] exit_signals+0x1c/0x2e0 # [ 51.230795] do_exit+0xd5/0xb00 # [ 51.234[ 53.207957] lkdtm: Performing direct entry SLAB_FREE_PAGE 298] ? ksys_write+0x68/0xf0 # [ 51.238193] rewind_stack_do_[ 53.214342] lkdtm: Attempting non-Slab slab free ... exit+0x17/0x20 # [ 51.242864] RIP: 0033:0x7f7e8fe4c8f3 # [ 51.246845] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 51.267831] RSP: 002b:00007ffe9c671048 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 51.276289] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f7e8fe4c8f3 # [ 51.284251] RDX: 0000000000000019 RSI: 00007f7e8fd3f000 RDI: 0000000000000001 # [ 51.292223] RBP: 00007f7e8fd3f000 R08: 00007f7e8fd3e010 R09: 0000000000000000 # [ 51.300195] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 51.308166] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # STACK_GUARD_PAGE_LEADING: saw 'call trace:': ok ok 12 selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh # selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # Segmentation fault # [ 51.401875] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 51.410258] lkdtm: attempting bad read from page above current stack # [ 51.423584] BUG: stack guard page was hit at 000000002f593734 (stack is 00000000d9ad42b3..0000000058c9f938) # [ 51.440671] kernel stack overflow (page fault): 0000 [#4] SMP PTI # [ 51.447477] CPU: 1 PID: 1094 Comm: cat Tainted: G D W 5.10.158-cip22 #1 # [ 51.462341] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 51.469150] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d # [ 51.475763] Code: a0 fd ff 0f 1f 44 00 00 53 48 c7 c7 20 96 bb b1 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 f8 9f fd ff 48 c7 c7 60 96 bb b1 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 db 9f fd ff # [ 51.502965] RSP: 0018:ffffae2c419c7e50 EFLAGS: 00010246 # [ 51.508799] RAX: 0000000000000038 RBX: ffffae2c419c4000 RCX: 0000000000000000 # [ 51.516772] RDX: 0000000000000000 RSI: ffff8c497ac9bf70 RDI: ffffffffb1bb9660 # [ 51.524744] RBP: ffffffffb1bb8d2b R08: 0000000000000000 R09: 0000000000000000 # [ 51.532715] R10: 00000000ffffe000 R11: 3ffff[ 53.430376] lkdtm: Performing direct entry EXEC_DATA fffffffffff R12: 000000000000001a # [ 51.540686] R13: ffffae2[ 53.436763] lkdtm: attempting ok execution at ffffffffb0ae03e0 c419c7f10 R14: ffffae2c419c7f10 R15: ffff8c4904f97000 # [ 51.[ 53.449497] lkdtm: attempting bad execution at ffffffffb341a660 548658] FS: 00007fc6a0e84580(0000) GS:ffff8c497ac80000(0000) kn[ 53.462337] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 53.476896] BUG: unable to handle page fault for address: ffffffffb341a660 [ 53.484577] #PF: supervisor instruction fetch in kernel mode [ 53.490889] #PF: error_code(0x0011) - permissions violation [ 53.497112] PGD 2fe29067 P4D 2fe29067 PUD 2fe2a063 PMD 80000000314000e3 [ 53.504606] Oops: 0011 [#5] SMP PTI [ 53.508518] CPU: 0 PID: 1637 Comm: cat Tainted: G D W 5.10.158-cip22 #1 [ 53.517168] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 53.523975] RIP: 0010:data_area+0x0/0x40 [ 53.528357] Code: ff ff 00 34 0e 04 49 8c ff ff 00 33 0e 04 49 8c ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 [ 53.549344] RSP: 0018:ffffae2c42297e48 EFLAGS: 00010246 [ 53.555170] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 53.563142] RDX: 0000000000000000 RSI: ffff8c497ac1bf70 RDI: ffff8c497ac1bf70 [ 53.571115] RBP: ffffffffb341a660 R08: 0000000000000000 R09: 0000000000000000 [ 53.579085] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 53.587057] R13: ffffae2c42297f10 R14: ffffae2c42297f10 R15: ffff8c49030f6000 [ 53.595030] FS: 00007f4a46310580(0000) GS:ffff8c497ac00000(0000) knlGS:0000000000000000 [ 53.604059] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.610476] CR2: ffffffffb341a660 CR3: 00000001055f8006 CR4: 00000000003706f0 [ 53.618445] Call Trace: [ 53.621175] ? execute_location+0x45/0x56 [ 53.625654] ? direct_entry.cold+0x2c/0x38 [ 53.630228] ? full_proxy_write+0x53/0x80 [ 53.634704] ? vfs_write+0xe7/0x3a0 [ 53.638588] ? ksys_write+0x68/0xf0 [ 53.642473] ? do_syscall_64+0x30/0x40 [ 53.646664] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 53.652501] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 53.678949] CR2: ffffffffb341a660 [ 53.682647] ---[ end trace 3cde216e32c10be7 ]--- [ 53.687796] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 53.692175] Code: 89 ff e8 5e a6 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 00 a6 93 02 [ 53.713163] RSP: 0018:ffffae2c414a7e60 EFLAGS: 00010282 [ 53.718989] RAX: ffffffffb0ae0010 RBX: 0000000000000001 RCX: 0000000000000000 [ 53.726960] RDX: 0000000000000000 RSI: ffff8c497ad1bf70 RDI: ffffffffb17cdcb0 [ 53.734930] RBP: ffffffffb1c14390 R08: 0000000000000001 R09: 0000000000000001 [ 53.742902] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 53.750872] R13: ffffae2c414a7f10 R14: ffffae2c414a7f10 R15: ffff8c4906459000 [ 53.758842] FS: 00007f4a46310580(0000) GS:ffff8c497ac00000(0000) knlGS:0000000000000000 [ 53.767880] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.774296] CR2: ffffffffb341a660 CR3: 00000001055f8006 CR4: 00000000003706f0 [ 53.782267] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 53.792181] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1637, name: cat [ 53.800636] INFO: lockdep is turned off. [ 53.805013] irq event stamp: 0 [ 53.808421] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 53.815421] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 53.824572] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 53.833709] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 53.840710] CPU: 0 PID: 1637 Comm: cat Tainted: G D W 5.10.158-cip22 #1 [ 53.849353] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 53.856157] Call Trace: [ 53.858885] dump_stack+0x77/0x9b [ 53.862590] ___might_sleep.cold+0xa6/0xb6 [ 53.867164] exit_signals+0x1c/0x2e0 [ 53.871155] do_exit+0xd5/0xb00 [ 53.874659] ? ksys_write+0x68/0xf0 [ 53.878578] rewind_stack_do_exit+0x17/0x20 [ 53.883253] RIP: 0033:0x7f4a462268f3 [ 53.887233] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 53.908223] RSP: 002b:00007fffa9571b68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 53.916671] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f4a462268f3 [ 53.924643] RDX: 000000000000000a RSI: 00007f4a46119000 RDI: 0000000000000001 [ 53.932633] RBP: 00007f4a46119000 R08: 00007f4a46118010 R09: 0000000000000000 [ 53.940594] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 53.948570] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 lGS:0000000000000000 # [ 51.557689] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 51.564106] CR2: ffffae2c419c8000 CR3: 00000001054e2004 CR4: 00000000003706e0 # [ 51.572078] Call Trace: # [ 51.574805] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a # [ 51.580642] direct_entry.cold+0x2c/0x38 # [ 51.591237] full_proxy_write+0x53/0x80 # [ 51.595522] vfs_write+0xe7/0x3a0 # [ 51.605432] ksys_write+0x68/0xf0 # [ 51.609131] do_syscall_64+0x30/0x40 # [ 51.613122] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 51.618762] RIP: 0033:0x7fc6a0d9a8f3 # [ 51.622751] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 51.643739] RSP: 002b:00007ffd243880c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 51.652195] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007fc6a0d9a8f3 # [ 51.660166] RDX: 000000000000001a RSI: 00007fc6a0c8d000 RDI: 0000000000000001 # [ 51.668138] RBP: 00007f[ 54.056170] lkdtm: Performing direct entry EXEC_STACK c6a0c8d000 R08: 00007fc6a0c8c010 R09: 0000000000000000 # [ 51[ 54.067889] lkdtm: attempting ok execution at ffffffffb0ae03e0 .676109] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 000000[ 54.080669] lkdtm: attempting bad execution at ffffae2c4230fe18 0000000001 # [ 51.684079] R13: 0000000000000001 R14: 00000000[ 54.093496] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 54.108031] BUG: unable to handle page fault for address: ffffae2c4230fe18 [ 54.115711] #PF: supervisor instruction fetch in kernel mode [ 54.122031] #PF: error_code(0x0011) - permissions violation [ 54.128254] PGD 100000067 P4D 100000067 PUD 100211067 PMD 103c4f067 PTE 8000000106477063 [ 54.137302] Oops: 0011 [#6] SMP PTI [ 54.141193] CPU: 0 PID: 1673 Comm: cat Tainted: G D W 5.10.158-cip22 #1 [ 54.149843] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 54.156650] RIP: 0010:0xffffae2c4230fe18 [ 54.161027] Code: 00 00 18 fe 30 42 2c ae ff ff f1 f5 16 b1 ff ff ff ff 20 00 00 00 00 00 00 00 6e 8e bb b1 ff ff ff ff 20 f7 16 b1 ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 [ 54.182013] RSP: 0018:ffffae2c4230fdf8 EFLAGS: 00010246 [ 54.187849] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 54.195819] RDX: 0000000000000000 RSI: ffff8c497ac1bf70 RDI: ffff8c497ac1bf70 [ 54.203791] RBP: ffffae2c4230fe18 R08: 0000000000000000 R09: 0000000000000000 [ 54.211760] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b [ 54.219732] R13: ffffae2c4230ff10 R14: ffffae2c4230ff10 R15: ffff8c49032c4000 [ 54.227705] FS: 00007f0b12358580(0000) GS:ffff8c497ac00000(0000) knlGS:0000000000000000 [ 54.236736] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.243151] CR2: ffffae2c4230fe18 CR3: 0000000103062005 CR4: 00000000003706f0 [ 54.251122] Call Trace: [ 54.253851] ? execute_location+0x45/0x56 [ 54.258332] ? lkdtm_EXEC_STACK+0x26/0x44 [ 54.262800] ? direct_entry.cold+0x2c/0x38 [ 54.267373] ? full_proxy_write+0x53/0x80 [ 54.271850] ? vfs_write+0xe7/0x3a0 [ 54.275744] ? ksys_write+0x68/0xf0 [ 54.279628] ? do_syscall_64+0x30/0x40 [ 54.283811] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 54.289649] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 54.316093] CR2: ffffae2c4230fe18 [ 54.319791] ---[ end trace 3cde216e32c10be8 ]--- [ 54.324946] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 54.329314] Code: 89 ff e8 5e a6 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 00 a6 93 02 [ 54.350301] RSP: 0018:ffffae2c414a7e60 EFLAGS: 00010282 [ 54.356136] RAX: ffffffffb0ae0010 RBX: 0000000000000001 RCX: 0000000000000000 [ 54.364106] RDX: 0000000000000000 RSI: ffff8c497ad1bf70 RDI: ffffffffb17cdcb0 [ 54.372077] RBP: ffffffffb1c14390 R08: 0000000000000001 R09: 0000000000000001 [ 54.380048] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 54.388019] R13: ffffae2c414a7f10 R14: ffffae2c414a7f10 R15: ffff8c4906459000 [ 54.395989] FS: 00007f0b12358580(0000) GS:ffff8c497ac00000(0000) knlGS:0000000000000000 [ 54.405029] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.411447] CR2: ffffae2c4230fe18 CR3: 0000000103062005 CR4: 00000000003706f0 00020000 R15: 0000000000020000 # [ 51.692054] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 51.724698] ---[ end trace 3cde216e32c10be5 ]--- # [ 51.729846] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 51.734225] Code: 89 ff e8 5e a6 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 00 a6 93 02 # [ 51.755203] RSP: 0018:ffffae2c414a7e60 EFLAGS: 00010282 # [ 51.761037] RAX: ffffffffb0ae0010 RBX: 0000000000000001 RCX: 0000000000000000 # [ 51.769009] RDX: 0000000000000000 RSI: ffff8c497ad1bf70 RDI: ffffffffb17cdcb0 # [ 51.776981] RBP: ffffffffb1c14390 R08: 0000000000000001 R09: 0000000000000001 # [ 51.784952] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 51.792922] R13: ffffae2c414a7f10 R14: ffffae2c414a7f10 R15: ffff8c4906459000 # [ 51.800893] FS: 00007fc6a0e84580(0000) GS:ffff8c497ac80000(0000) knlGS:0000000000000000 # [ 51.809925] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 51.816342] CR2: ffffae2c419c8000 CR3: 00000001054e2004 CR4: 00000000003706e0 # STACK_GUARD_PAGE_TRAILING: saw 'call trace:': ok ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # selftests[ 54.559282] lkdtm: Performing direct entry EXEC_KMALLOC : lkdtm: UNSET_SMEP.sh # [ 51.910305] lkdtm: Performing direc[ 54.568252] lkdtm: attempting ok execution at ffffffffb0ae03e0 t entry UNSET_SMEP # [ 51.916974] lkdtm: trying to clear SMEP[ 54.580994] lkdtm: attempting bad execution at ffff8c4903260940 normally # [ 51.922167] ------------[ cut here ]------------[ 54.593822] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 54.608361] BUG: unable to handle page fault for address: ffff8c4903260940 [ 54.616032] #PF: supervisor instruction fetch in kernel mode [ 54.622352] #PF: error_code(0x0011) - permissions violation [ 54.628574] PGD 31601067 P4D 31601067 PUD 10084e063 PMD 10330f063 PTE 8000000103260063 [ 54.637429] Oops: 0011 [#7] SMP PTI [ 54.641322] CPU: 0 PID: 1709 Comm: cat Tainted: G D W 5.10.158-cip22 #1 [ 54.649964] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 54.656769] RIP: 0010:0xffff8c4903260940 [ 54.661147] Code: 00 00 02 00 00 00 00 00 00 00 80 00 26 03 49 8c ff ff 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 2b 24 30 b0 ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 [ 54.682124] RSP: 0018:ffffae2c4238fe38 EFLAGS: 00010246 [ 54.687959] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 54.695930] RDX: 0000000000000000 RSI: ffff8c497ac1bf70 RDI: ffff8c497ac1bf70 [ 54.703902] RBP: ffff8c4903260940 R08: 0000000000000000 R09: 0000000000000000 [ 54.711874] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 54.719844] R13: ffffae2c4238ff10 R14: ffffae2c4238ff10 R15: ffff8c4903146000 [ 54.727816] FS: 00007fc3d0aea580(0000) GS:ffff8c497ac00000(0000) knlGS:0000000000000000 [ 54.736847] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.743263] CR2: ffff8c4903260940 CR3: 0000000103062003 CR4: 00000000003706f0 [ 54.751235] Call Trace: [ 54.753963] ? execute_location+0x45/0x56 [ 54.758444] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 [ 54.763120] ? direct_entry.cold+0x2c/0x38 [ 54.767694] ? full_proxy_write+0x53/0x80 [ 54.772170] ? vfs_write+0xe7/0x3a0 [ 54.776063] ? ksys_write+0x68/0xf0 [ 54.779948] ? do_syscall_64+0x30/0x40 [ 54.784132] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 54.789970] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 54.816417] CR2: ffff8c4903260940 [ 54.820115] ---[ end trace 3cde216e32c10be9 ]--- [ 54.825271] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 54.829639] Code: 89 ff e8 5e a6 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 00 a6 93 02 [ 54.850627] RSP: 0018:ffffae2c414a7e60 EFLAGS: 00010282 [ 54.856460] RAX: ffffffffb0ae0010 RBX: 0000000000000001 RCX: 0000000000000000 [ 54.864432] RDX: 0000000000000000 RSI: ffff8c497ad1bf70 RDI: ffffffffb17cdcb0 [ 54.872404] RBP: ffffffffb1c14390 R08: 0000000000000001 R09: 0000000000000001 [ 54.880375] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 54.888345] R13: ffffae2c414a7f10 R14: ffffae2c414a7f10 R15: ffff8c4906459000 [ 54.896317] FS: 00007fc3d0aea580(0000) GS:ffff8c497ac00000(0000) knlGS:0000000000000000 [ 54.905356] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.911774] CR2: ffff8c4903260940 CR3: 0000000103062003 CR4: 00000000003706f0 [ 54.919747] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 54.929662] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1709, name: cat [ 54.938118] INFO: lockdep is turned off. [ 54.942496] irq event stamp: 0 [ 54.945902] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 54.952903] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 54.962039] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 54.971175] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 54.978176] CPU: 0 PID: 1709 Comm: cat Tainted: G D W 5.10.158-cip22 #1 [ 54.986825] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 54.993629] Call Trace: [ 54.996359] dump_stack+0x77/0x9b [ 55.000062] ___might_sleep.cold+0xa6/0xb6 [ 55.004641] exit_signals+0x1c/0x2e0 [ 55.008630] do_exit+0xd5/0xb00 [ 55.012134] ? ksys_write+0x68/0xf0 [ 55.016028] rewind_stack_do_exit+0x17/0x20 [ 55.020702] RIP: 0033:0x7fc3d0a008f3 [ 55.024681] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 55.045668] RSP: 002b:00007ffc8b2a7418 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 55.054125] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007fc3d0a008f3 [ 55.062097] RDX: 000000000000000d RSI: 00007fc3d08f3000 RDI: 0000000000000001 [ 55.070069] RBP: 00007fc3d08f3000 R08: 00007fc3d08f2010 R09: 0000000000000000 [ 55.078031] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 55.086002] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 51.927360] pinned CR4 bits changed: 0x100000!? # [ 51.932477] WARNING: CPU: 3 PID: 1130 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60 # [ 51.942696] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 51.975334] CPU: 3 PID: 1130 Comm: cat Tainted: G D W 5.10.158-cip22 #1 # [ 51.984024] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 51.990866] RIP: 0010:native_write_cr4+0x45/0x60 # [ 51.996027] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d 72 a0 e3 01 00 75 f2 48 c7 c7 f0 7f af b1 c6 05 62 a0 e3 01 01 e8 65 ec e7 00 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 # [ 52.017045] RSP: 0018:ffffae2c41a27e48 EFLAGS: 00010286 # [ 52.022886] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 0000000000000000 # [ 52.030863] RDX: ffff8c497adac660 RSI: ffff8c497ad9bf70 RDI: ffff8c497ad9bf70 # [ 52.038840] RBP: ffffffffb1bb8d45 R08: 0000000000000000 R09: 0000000000000000 # [ 52.046845] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 52.054820] R13: ffffae2c41a27f10 R14: ffffae2c41a27f10 R15: ffff8c4905718000 # [ 52.062797] FS: 00007f205f4c2580(0000) GS:ffff8[ 55.228786] lkdtm: Performing direct entry EXEC_VMALLOC [ 55.236663] lkdtm: attempting ok execution at ffffffffb0ae03e0 [ 55.243193] lkdtm: attempting bad execution at ffffae2c40365000 [ 55.249819] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 55.258186] BUG: unable to handle page fault for address: ffffae2c40365000 [ 55.265869] #PF: supervisor instruction fetch in kernel mode [ 55.272188] #PF: error_code(0x0011) - permissions violation c49[7ad80000(0000) knlGS:0000000000000000 # [ 52.071842] CS: 55.278411] PGD 100000067 P4D 100000067 PUD 100211067 PMD 100996067 PTE 800000010267d063 [ 55.293672] Oops: 0011 [#8] SMP PTI [ 55.297565] CPU: 3 PID: 1745 Comm: cat Tainted: G D W 5.10.158-cip22 #1 [ 55.306215] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 55.313022] RIP: 0010:0xffffae2c40365000 [ 55.317392] Code: Unable to access opcode bytes at RIP 0xffffae2c40364fd6. [ 55.325062] RSP: 0018:ffffae2c423f7e38 EFLAGS: 00010246 [ 55.330895] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 55.338864] RDX: 0000000000000000 RSI: ffff8c497ad9bf70 RDI: ffff8c497ad9bf70 [ 55.346834] RBP: ffffae2c40365000 R08: 0000000000000000 R09: 0000000000000000 [ 55.354803] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 55.362773] R13: ffffae2c423f7f10 R14: ffffae2c423f7f10 R15: ffff8c490267d000 [ 55.370743] FS: 00007f5b64f91580(0000) GS:ffff8c497ad80000(0000) knlGS:0000000000000000 [ 55.379781] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.386196] CR2: ffffae2c40364fd6 CR3: 0000000105702005 CR4: 00000000003706e0 [ 55.394165] Call Trace: [ 55.396893] ? execute_location+0x45/0x56 [ 55.401368] ? lkdtm_EXEC_VMALLOC+0x20/0x30 [ 55.406037] ? direct_entry.cold+0x2c/0x38 [ 55.410628] ? full_proxy_write+0x53/0x80 [ 55.415104] ? vfs_write+0xe7/0x3a0 [ 55.418995] ? ksys_write+0x68/0xf0 [ 55.422887] ? do_syscall_64+0x30/0x40 [ 55.427069] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 55.432906] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 55.459375] CR2: ffffae2c40365000 [ 55.463072] ---[ end trace 3cde216e32c10bea ]--- [ 55.468226] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 55.472593] Code: 89 ff e8 5e a6 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 00 a6 93 02 [ 55.493578] RSP: 0018:ffffae2c414a7e60 EFLAGS: 00010282 [ 55.499412] RAX: ffffffffb0ae0010 RBX: 0000000000000001 RCX: 0000000000000000 [ 55.507382] RDX: 0000000000000000 RSI: ffff8c497ad1bf70 RDI: ffffffffb17cdcb0 [ 55.515353] RBP: ffffffffb1c14390 R08: 0000000000000001 R09: 0000000000000001 [ 55.523324] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 55.531296] R13: ffffae2c414a7f10 R14: ffffae2c414a7f10 R15: ffff8c4906459000 [ 55.539267] FS: 00007f5b64f91580(0000) GS:ffff8c497ad80000(0000) knlGS:0000000000000000 [ 55.548305] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.554721] CR2: ffffae2c40364fd6 CR3: 0000000105702005 CR4: 00000000003706e0 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 52.078264] CR2: 00007f205f2cb000 CR3: 000000010308e004 CR4: 00000000003706e0 # [ 52.086239] Call Trace: # [ 52.095188] lkdtm_UNSET_SMEP.cold+0x1d/0x103 # [ 52.106273] direct_entry.cold+0x2c/0x38 # [ 52.116868] full_proxy_write+0x53/0x80 # [ 52.127372] vfs_write+0xe7/0x3a0 # [ 52.131106] ksys_write+0x68/0xf0 # [ 52.134811] do_syscall_64+0x30/0x40 # [ 52.138836] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 52.144483] RIP: 0033:0x7f205f3d88f3 # [ 52.148505] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 52.169500] RSP: 002b:00007ffef4f6a9a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 52.177992] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f205f3d88f3 # [ 52.185968] RDX: 000000000000000b RSI: 00007f205f2cb000 RDI: 0000000000000001 # [ 52.193944] RBP: 00007f205f2cb000 R08: 00007f205f2ca010 R09: 0000000000000000 # [ 52.201918] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 52.209893] R13: 0000000000000001 R14[ 55.679247] lkdtm: Performing direct entry EXEC_RODATA : 0000000000020000 R15: 0000000000020000 # [ 52.217874] irq e[ 55.686578] lkdtm: attempting ok execution at ffffffffb0ae03e0 vent stamp: 0 # [ 52.221313] hardirqs last enabled at (0): [[ 55.699316] lkdtm: attempting bad execution at ffffffffb17ce140 <0000000000000000>] 0x0 # [ 52.234528] hardirqs last disabled[ 55.712146] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 55.726717] BUG: unable to handle page fault for address: ffffffffb17ce140 [ 55.734387] #PF: supervisor instruction fetch in kernel mode [ 55.740706] #PF: error_code(0x0011) - permissions violation [ 55.746929] PGD 2fe29067 P4D 2fe29067 PUD 2fe2a063 PMD 800000002f6000e1 at (0): [] copy_process+0x640/0x1c80 # [ 5[ 55.754419] Oops: 0011 [#9] SMP PTI [ 55.764527] CPU: 1 PID: 1781 Comm: cat Tainted: G D W 5.10.158-cip22 #1 [ 55.773177] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 55.779985] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 2.243700] softirqs last enabled at (0): [] co[ 55.785723] Code: ff ff 90 0b 17 b1 ff ff ff ff ba 90 bb b1 ff ff ff ff d6 f2 16 b1 ff ff ff ff 55 aa 55 aa 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 54 68 69 73 20 69 [ 55.812921] RSP: 0018:ffffae2c4248fe48 EFLAGS: 00010246 [ 55.818746] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 55.826717] RDX: 0000000000000000 RSI: ffff8c497ac9bf70 RDI: ffff8c497ac9bf70 [ 55.834688] RBP: ffffffffb17ce140 R08: 0000000000000000 R09: 0000000000000000 [ 55.842658] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 55.850628] R13: ffffae2c4248ff10 R14: ffffae2c4248ff10 R15: ffff8c49056fe000 [ 55.858600] FS: 00007f044a5ba580(0000) GS:ffff8c497ac80000(0000) knlGS:0000000000000000 [ 55.867660] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.874077] CR2: ffffffffb17ce140 CR3: 000000010549e002 CR4: 00000000003706e0 [ 55.882045] Call Trace: [ 55.884773] ? execute_location+0x45/0x56 py_process+0x640/0x1c80 # [ 52.252872] softirqs last disabled[ 55.889249] ? direct_entry.cold+0x2c/0x38 [ 55.900036] ? full_proxy_write+0x53/0x80 [ 55.904512] ? vfs_write+0xe7/0x3a0 [ 55.908405] ? ksys_write+0x68/0xf0 [ 55.912290] ? do_syscall_64+0x30/0x40 [ 55.916474] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 at (0): [<0000000000000000>] 0x0 # [ 52.259876] ---[ end tra[ 55.922312] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 55.954955] CR2: ffffffffb17ce140 [ 55.958654] ---[ end trace 3cde216e32c10beb ]--- [ 55.963811] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 55.968189] Code: 89 ff e8 5e a6 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 00 a6 93 02 [ 55.989165] RSP: 0018:ffffae2c414a7e60 EFLAGS: 00010282 [ 55.994999] RAX: ffffffffb0ae0010 RBX: 0000000000000001 RCX: 0000000000000000 [ 56.002970] RDX: 0000000000000000 RSI: ffff8c497ad1bf70 RDI: ffffffffb17cdcb0 [ 56.010940] RBP: ffffffffb1c14390 R08: 0000000000000001 R09: 0000000000000001 [ 56.018910] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 56.026878] R13: ffffae2c414a7f10 R14: ffffae2c414a7f10 R15: ffff8c4906459000 [ 56.034847] FS: 00007f044a5ba580(0000) GS:ffff8c497ac80000(0000) knlGS:0000000000000000 [ 56.043887] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.050304] CR2: ffffffffb17ce140 CR3: 000000010549e002 CR4: 00000000003706e0 ce 3cde216e32c10be6 ]--- # [ 52.265033] lkdtm: ok: SMEP did not get cleared # [ 52.270094] lkdtm: trying to clear SMEP with call gadget # [ 52.276032] lkdtm: ok: SMEP removal was reverted # UNSET_SMEP: saw 'pinned CR4 bits changed:': ok ok 14 selftests: lkdtm: UNSET_SMEP.sh # selftests: lkdtm: DOUBLE_FAULT.sh # [ 52.359346] lkdtm: Performing direct entry DOUBLE_FAULT # [ 52.367871] lkdtm: XFAIL: this test is ia32-only # DOUBLE_FAULT: saw 'XFAIL': [SKIP] ok 15 selftests: lkdtm: DOUBLE_FAULT.sh # SKIP # selftests: lkdtm: CORRUPT_PAC.sh # [ 52.501244] lkdtm: Performing direct entry CORRUPT_PAC # [ 52.509400] lkdtm: XFAIL: this test is arm64-only # CORRUPT_PAC: saw 'XFAIL': [SKIP] ok 16 selftests: lkdtm: CORRUPT_PAC.sh # SKIP # selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh # [ 52.602727] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 52.615077] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # UNALIGNED_LOAD_STORE_WRITE: saw 'XFAIL': [SKIP] ok 17 selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh # SKIP # selftests: lkdtm: OVERWRITE_ALLOCATION.sh # Skipping OVERWRITE_ALLOCATION: Corrupts memory on failure ok 18 selftests: lkdtm: OVERWRITE_ALLOCATION.sh # SKIP # selftests: lkdtm: WRITE_AFTER_FREE.sh # Skipping WRITE_AFTER_FREE: Corrupts memory on failure ok[ 56.183876] lkdtm: Performing direct entry EXEC_USERSPACE [ 56.194843] lkdtm: attempting ok execution at ffffffffb0ae03e0 [ 56.201376] lkdtm: attempting bad execution at 00007fbac27d5000 [ 56.208000] unable to execute userspace code (SMEP?) (uid: 0) [ 56.214423] BUG: unable to handle page fault for address: 00007fbac27d5000 [ 56.222103] #PF: supervisor instruction fetch in kernel mode [ 56.228422] #PF: error_code(0x0011) - permissions violation [ 56.234644] PGD 8000000103b67067 P4D 8000000103b67067 PUD 104cad067 PMD 1027b4067 PTE 108130067 [ 56.244368] Oops: 0011 [#10] SMP PTI [ 56.248357] CPU: 3 PID: 1817 Comm: cat Tainted: G D W 5.10.158-cip22 #1 [ 56.256997] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 56.263804] RIP: 0010:0x7fbac27d5000 [ 56.267782] Code: Unable to access opcode bytes at RIP 0x7fbac27d4fd6. [ 56.275071] RSP: 0018:ffffae2c42507e50 EFLAGS: 00010246 [ 56.280904] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 [ 56.288873] RDX: 0000000000000000 RSI: ffff8c497ad9bf70 RDI: ffff8c497ad9bf70 [ 56.296843] RBP: 00007fbac27d5000 R08: 0000000000000000 R09: 0000000000000000 [ 56.304813] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f [ 56.312781] R13: ffffae2c42507f10 R14: ffffae2c42507f10 R15: ffff8c4904f00000 [ 56.320751] FS: 00007fbac27a6580(0000) GS:ffff8c497ad80000(0000) knlGS:0000000000000000 [ 56.329790] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.336207] CR2: 00007fbac27d5000 CR3: 0000000105408003 CR4: 00000000003706e0 [ 56.344178] Call Trace: [ 56.346908] ? lkdtm_EXEC_USERSPACE.cold+0x66/0xae [ 56.352257] ? direct_entry.cold+0x2c/0x38 [ 56.356830] ? full_proxy_write+0x53/0x80 [ 56.361306] ? vfs_write+0xe7/0x3a0 [ 56.365198] ? ksys_write+0x68/0xf0 [ 56.369092] ? do_syscall_64+0x30/0x40 [ 56.373275] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 56.379104] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 19 selftests: lkdtm: WRITE_AFTER_FREE.sh # SKIP # selftests: l[ 56.405563] CR2: 00007fbac27d5000 [ 56.415474] ---[ end trace 3cde216e32c10bec ]--- [ 56.420631] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 56.425007] Code: 89 ff e8 5e a6 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 00 a6 93 02 [ 56.445994] RSP: 0018:ffffae2c414a7e60 EFLAGS: 00010282 [ 56.451829] RAX: ffffffffb0ae0010 RBX: 0000000000000001 RCX: 0000000000000000 [ 56.459799] RDX: 0000000000000000 RSI: ffff8c497ad1bf70 RDI: ffffffffb17cdcb0 [ 56.467770] RBP: ffffffffb1c14390 R08: 0000000000000001 R09: 0000000000000001 [ 56.475741] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 56.483710] R13: ffffae2c414a7f10 R14: ffffae2c414a7f10 R15: ffff8c4906459000 [ 56.491680] FS: 00007fbac27a6580(0000) GS:ffff8c497ad80000(0000) knlGS:0000000000000000 [ 56.500718] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.507132] CR2: 00007fbac27d5000 CR3: 0000000105408003 CR4: 00000000003706e0 [ 56.515104] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 56.525008] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1817, name: cat [ 56.533465] INFO: lockdep is turned off. [ 56.537840] irq event stamp: 0 [ 56.541245] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 56.548244] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 56.557370] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 56.566504] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 56.573504] CPU: 3 PID: 1817 Comm: cat Tainted: G D W 5.10.158-cip22 #1 [ 56.582153] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 56.588957] Call Trace: [ 56.591684] dump_stack+0x77/0x9b [ 56.595383] ___might_sleep.cold+0xa6/0xb6 [ 56.599954] exit_signals+0x1c/0x2e0 [ 56.603943] do_exit+0xd5/0xb00 [ 56.607438] ? ksys_write+0x68/0xf0 [ 56.611321] rewind_stack_do_exit+0x17/0x20 [ 56.615980] RIP: 0033:0x7fbac26bc8f3 [ 56.619967] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 56.640950] RSP: 002b:00007ffe38de7b58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 56.649407] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 00007fbac26bc8f3 [ 56.657378] RDX: 000000000000000f RSI: 00007fbac25af000 RDI: 0000000000000001 [ 56.665348] RBP: 00007fbac25af000 R08: 00007fbac25ae010 R09: 0000000000000000 [ 56.673318] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 56.681288] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 kdtm: READ_AFTER_FREE.sh # [ 52.758482] lkdtm: Performing direct entry READ_AFTER_FREE # [ 52.765533] lkdtm: Value in memory before free: 12345678 # [ 52.771480] lkdtm: Attempting bad read from freed memory # [ 52.783626] 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 # [ 52.897811] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 52.906851] lkdtm: Value in memory before free: 12345678 # [ 52.912820] lkdtm: Attempting to read from freed memory # [ 52.918670] 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 # [ 53.009220] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 53.016908] lkdtm: Attempting double slab free ... # SLAB_FREE_DOUBLE: missing 'call[ 56.798076] lkdtm: Performing direct entry EXEC_NULL trace:': [FAIL] not ok 23 selftests: lkdtm: SLAB_FREE_DOUBLE.s[ 56.806731] lkdtm: attempting ok execution at ffffffffb0ae03e0 h # exit=1 # selftests: lkdtm: SLAB_FREE_CROSS.sh # [ 53.101[ 56.819470] lkdtm: attempting bad execution at 0000000000000000 663] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 53.10[ 56.832322] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 56.846274] #PF: supervisor instruction fetch in kernel mode [ 56.852593] #PF: error_code(0x0010) - not-present page [ 56.858329] PGD 0 P4D 0 [ 56.861153] Oops: 0010 [#11] SMP PTI [ 56.865141] CPU: 0 PID: 1853 Comm: cat Tainted: G D W 5.10.158-cip22 #1 [ 56.873790] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 56.880611] RIP: 0010:0x0 [ 56.883539] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. [ 56.891217] RSP: 0018:ffffae2c42597e48 EFLAGS: 00010246 [ 56.897050] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 56.905021] RDX: 0000000000000000 RSI: ffff8c497ac1bf70 RDI: ffff8c497ac1bf70 [ 56.912990] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 56.920961] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 56.928931] R13: ffffae2c42597f10 R14: ffffae2c42597f10 R15: ffff8c49030b5000 [ 56.936903] FS: 00007f784e238580(0000) GS:ffff8c497ac00000(0000) knlGS:0000000000000000 [ 56.945935] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.952351] CR2: ffffffffffffffd6 CR3: 00000001032c0002 CR4: 00000000003706f0 [ 56.960321] Call Trace: [ 56.963050] execute_location+0x45/0x56 [ 56.967328] direct_entry.cold+0x2c/0x38 [ 56.971706] full_proxy_write+0x53/0x80 [ 56.975987] vfs_write+0xe7/0x3a0 [ 56.979685] ksys_write+0x68/0xf0 [ 56.983375] do_syscall_64+0x30/0x40 [ 56.987356] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 56.992996] RIP: 0033:0x7f784e14e8f3 [ 56.996986] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 57.017965] RSP: 002b:00007fffc2408298 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 57.026423] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f784e14e8f3 [ 57.034393] RDX: 000000000000000a RSI: 00007f784e041000 RDI: 0000000000000001 [ 57.042364] RBP: 00007f784e041000 R08: 00007f784e040010 R09: 0000000000000000 [ 57.050336] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 57.058307] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 57.066280] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 57.092724] CR2: 0000000000000000 [ 57.096421] ---[ end trace 3cde216e32c10bed ]--- [ 57.101577] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 57.105953] Code: 89 ff e8 5e a6 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 00 a6 93 02 [ 57.126938] RSP: 0018:ffffae2c414a7e60 EFLAGS: 00010282 [ 57.132761] RAX: ffffffffb0ae0010 RBX: 0000000000000001 RCX: 0000000000000000 [ 57.140731] RDX: 0000000000000000 RSI: ffff8c497ad1bf70 RDI: ffffffffb17cdcb0 [ 57.148703] RBP: ffffffffb1c14390 R08: 0000000000000001 R09: 0000000000000001 [ 57.156674] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 57.164643] R13: ffffae2c414a7f10 R14: ffffae2c414a7f10 R15: ffff8c4906459000 [ 57.172614] FS: 00007f784e238580(0000) GS:ffff8c497ac00000(0000) knlGS:0000000000000000 [ 57.181653] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.188070] CR2: ffffffffffffffd6 CR3: 00000001032c0002 CR4: 00000000003706f0 9249] lkdtm: Attempting cross-cache slab free ... # SLAB_FREE_CROSS: missing 'call trace:': [FAIL] not ok 24 selftests: lkdtm: SLAB_FREE_CROSS.sh # exit=1 # selftests: lkdtm: SLAB_FREE_PAGE.sh # [ 53.207957] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 53.214342] 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 # [ 53.430376] lkdtm: Performing direct entry EXEC_DATA # [ 53.436763] lkdtm: attempting ok execution at ffffffffb0ae03e0 # [ 53.449497] lkdtm: attempting bad execution at ffffffffb341a660 # [ 53.462337] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 53.476896] BUG: unable to handle page fault for address: ffffffffb341a660 # [ 53.484577] #PF: supervisor instruction fetch in kernel mode # [ 53.490889] #PF: error_code(0x0011) - permissions violation # [ 53.497112] PGD 2fe29067 P4D 2fe29067 PUD 2fe2a063 PMD 80000000314000e3 # [[ 57.340210] lkdtm: Performing direct entry ACCESS_USERSPACE [ 57.351464] lkdtm: attempting bad read at 00007fd73afee000 53.504606] Oops: 0011 [#5] SMP PTI # [ 53.508518] CPU: 0 P[ 57.357604] BUG: unable to handle page fault for address: 00007fd73afee000 [ 57.371490] #PF: supervisor read access in kernel mode [ 57.377229] #PF: error_code(0x0001) - permissions violation ID:[ 1637 Comm: cat Tainted: G D W 5.10.158-cip22 #1 57.383453] PGD 80000001032b2067 P4D 80000001032b2067 PUD 1056e1067 PMD 103b0c067 PTE 115676067 [ 57.399394] Oops: 0001 [#12] SMP PTI [ 57.403383] CPU: 3 PID: 1888 Comm: cat Tainted: G D W 5.10.158-cip22 #1 [ 57.412025] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 57.418833] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 [ 57.425055] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 d8 9d bb b1 e8 6c 99 fd ff 48 c7 c7 00 9e bb b1 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 53 99 fd ff 48 89 ee 48 c7 c7 28 9e bb [ 57.446043] RSP: 0018:ffffae2c425f7e48 EFLAGS: 00010246 [ 57.451878] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 [ 57.459850] RDX: 0000000000000000 RSI: ffff8c497ad9bf70 RDI: ffffffffb1bb9e00 [ 57.467821] RBP: 00007fd73afee000 R08: 0000000000000000 R09: 0000000000000000 [ 57.475792] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 [ 57.483763] R13: ffffae2c425f7f10 R14: ffffae2c425f7f10 R15: ffff8c49026ca000 [ 57.491733] FS: 00007fd73afbf580(0000) GS:ffff8c497ad80000(0000) knlGS:0000000000000000 [ 57.500773] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.507188] CR2: 00007fd73afee000 CR3: 0000000104eae001 CR4: 00000000003706e0 [ 57.515159] Call Trace: [ 57.517887] direct_entry.cold+0x2c/0x38 [ 57.522266] full_proxy_write+0x53/0x80 [ 57.526565] vfs_write+0xe7/0x3a0 # [ 53.517168] Hardware name: Google Rammus/Rammus, BIOS 09[ 57.530262] ksys_write+0x68/0xf0 [ 57.540174] do_syscall_64+0x30/0x40 [ 57.544162] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 57.549801] RIP: 0033:0x7fd73aed58f3 [ 57.553788] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 57.574774] RSP: 002b:00007ffd0762f968 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 57.583229] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007fd73aed58f3 [ 57.591199] RDX: 0000000000000011 RSI: 00007fd73adc8000 RDI: 0000000000000001 [ 57.599170] RBP: 00007fd73adc8000 R08: 00007fd73adc7010 R09: 0000000000000000 [ 57.607139] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 57.615110] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 57.623083] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify /04/2020 # [ 53.523975] RIP: 0010:data_area+0x0/0x40 # [ 5[ 57.649543] CR2: 00007fd73afee000 [ 57.659456] ---[ end trace 3cde216e32c10bee ]--- [ 57.664603] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 57.669001] Code: 89 ff e8 5e a6 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 00 a6 93 02 [ 57.689985] RSP: 0018:ffffae2c414a7e60 EFLAGS: 00010282 [ 57.695818] RAX: ffffffffb0ae0010 RBX: 0000000000000001 RCX: 0000000000000000 [ 57.703788] RDX: 0000000000000000 RSI: ffff8c497ad1bf70 RDI: ffffffffb17cdcb0 [ 57.711759] RBP: ffffffffb1c14390 R08: 0000000000000001 R09: 0000000000000001 [ 57.719729] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 57.727698] R13: ffffae2c414a7f10 R14: ffffae2c414a7f10 R15: ffff8c4906459000 [ 57.735668] FS: 00007fd73afbf580(0000) GS:ffff8c497ad80000(0000) knlGS:0000000000000000 [ 57.744706] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.751120] CR2: 00007fd73afee000 CR3: 0000000104eae001 CR4: 00000000003706e0 [ 57.759090] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 57.769001] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1888, name: cat [ 57.777456] INFO: lockdep is turned off. [ 57.781833] irq event stamp: 0 [ 57.785237] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 57.792236] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 57.801363] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 57.810499] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 57.817499] CPU: 3 PID: 1888 Comm: cat Tainted: G D W 5.10.158-cip22 #1 [ 57.826148] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 57.832953] Call Trace: [ 57.835680] dump_stack+0x77/0x9b [ 57.839370] ___might_sleep.cold+0xa6/0xb6 [ 57.843933] exit_signals+0x1c/0x2e0 [ 57.847914] do_exit+0xd5/0xb00 [ 57.851418] ? ksys_write+0x68/0xf0 [ 57.855303] rewind_stack_do_exit+0x17/0x20 [ 57.859971] RIP: 0033:0x7fd73aed58f3 [ 57.863958] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 57.884946] RSP: 002b:00007ffd0762f968 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 57.893402] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007fd73aed58f3 [ 57.901373] RDX: 0000000000000011 RSI: 00007fd73adc8000 RDI: 0000000000000001 [ 57.909343] RBP: 00007fd73adc8000 R08: 00007fd73adc7010 R09: 0000000000000000 [ 57.917313] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 57.925282] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 3.528357] Code: ff ff 00 34 0e 04 49 8c ff ff 00 33 0e 04 49 8c ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 # [ 53.549344] RSP: 0018:ffffae2c42297e48 EFLAGS: 00010246 # [ 53.555170] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 53.563142] RDX: 0000000000000000 RSI: ffff8c497ac1bf70 RDI: ffff8c497ac1bf70 # [ 53.571115] RBP: ffffffffb341a660 R08: 0000000000000000 R09: 0000000000000000 # [ 53.579085] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 53.587057] R13: ffffae2c42297f10 R14: ffffae2c42297f10 R15: ffff8c49030f6000 # [ 53.595030] FS: 00007f4a46310580(0000) GS:ffff8c497ac00000(0000) knlGS:0000000000000000 # [ 53.604059] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 53.610476] CR2: ffffffffb341a660 CR3: 00000001055f8006 CR4: 00000000003706f0 # [ 53.618445] Call Trace: # [ 53.621175] ? execute_location+0x45/0x56 # [ 53.625654] ? direct_entry.cold+0x2c/0x38 # [ 53.630228] ? full_proxy_write+0x53/0x80 # [ 53.634704] ? vfs_write+0xe7/0x3a0 # [ 53.638588] ? ksys_write+0x68/0xf0 # [ 53.642473] [ 58.048817] lkdtm: Performing direct entry ACCESS_NULL ? do_syscall_64+0x30/0x40 # [ 53.646664] ? entry_SYSCALL_64[ 58.057124] lkdtm: attempting bad read at 0000000000000000 _after_hwframe+0x61/0xc6 # [ 53.652501] Modules linked in: fu[ 58.069496] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 58.083463] #PF: supervisor read access in kernel mode [ 58.089201] #PF: error_code(0x0000) - not-present page [ 58.094938] PGD 0 P4D 0 se ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_t[ 58.097766] Oops: 0000 [#13] SMP PTI [ 58.107969] CPU: 1 PID: 1923 Comm: cat Tainted: G D W 5.10.158-cip22 #1 riggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_[ 58.116624] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 58.129647] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_[ 58.134900] Code: 10 99 fd ff be 00 10 00 00 48 89 ef e8 95 80 39 ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 d8 9d bb b1 e8 ea 98 fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 00 9e bb b1 48 01 [ 58.162102] RSP: 0018:ffffae2c42547e58 EFLAGS: 00010246 [ 58.167937] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 [ 58.175906] RDX: 0000000000000000 RSI: ffff8c497ac9bf70 RDI: ffff8c497ac9bf70 [ 58.183876] RBP: ffffffffb1bb8ec9 R08: 0000000000000000 R09: 0000000000000000 [ 58.191844] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 58.199812] R13: ffffae2c42547f10 R14: ffffae2c42547f10 R15: ffff8c4904d57000 [ 58.207783] FS: 00007f6bb3b10580(0000) GS:ffff8c497ac80000(0000) knlGS:0000000000000000 [ 58.216820] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.223236] CR2: 0000000000000000 CR3: 0000000103220001 CR4: 00000000003706e0 [ 58.231205] Call Trace: [ 58.233933] direct_entry.cold+0x2c/0x38 temp_thermal cros_ec_dev cros_usbpd_notify # [ 53.678949] CR2[ 58.238315] full_proxy_write+0x53/0x80 [ 58.248810] vfs_write+0xe7/0x3a0 : ffffffffb341a660 # [ 53.682647] ---[ end trace 3cde216e32c1[ 58.252509] ksys_write+0x68/0xf0 [ 58.262422] do_syscall_64+0x30/0x40 [ 58.266411] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 58.272051] RIP: 0033:0x7f6bb3a268f3 [ 58.276039] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 58.297025] RSP: 002b:00007fffbbf33bd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 58.305481] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f6bb3a268f3 [ 58.313448] RDX: 000000000000000c RSI: 00007f6bb3919000 RDI: 0000000000000001 [ 58.321416] RBP: 00007f6bb3919000 R08: 00007f6bb3918010 R09: 0000000000000000 [ 58.329385] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 58.337353] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0be7 ]--- # [ 53.687796] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ [ 58.345326] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 58.377965] CR2: 0000000000000000 [ 58.381663] ---[ end trace 3cde216e32c10bef ]--- [ 58.386818] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 58.391194] Code: 89 ff e8 5e a6 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 00 a6 93 02 [ 58.412180] RSP: 0018:ffffae2c414a7e60 EFLAGS: 00010282 [ 58.418013] RAX: ffffffffb0ae0010 RBX: 0000000000000001 RCX: 0000000000000000 [ 58.425981] RDX: 0000000000000000 RSI: ffff8c497ad1bf70 RDI: ffffffffb17cdcb0 [ 58.433952] RBP: ffffffffb1c14390 R08: 0000000000000001 R09: 0000000000000001 [ 58.441921] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 58.449891] R13: ffffae2c414a7f10 R14: ffffae2c414a7f10 R15: ffff8c4906459000 [ 58.457861] FS: 00007f6bb3b10580(0000) GS:ffff8c497ac80000(0000) knlGS:0000000000000000 [ 58.466899] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.473314] CR2: 0000000000000000 CR3: 0000000103220001 CR4: 00000000003706e0 53.692175] Code: 89 ff e8 5e a6 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 00 a6 93 02 # [ 53.713163] RSP: 0018:ffffae2c414a7e60 EFLAGS: 00010282 # [ 53.718989] RAX: ffffffffb0ae0010 RBX: 0000000000000001 RCX: 0000000000000000 # [ 53.726960] RDX: 0000000000000000 RSI: ffff8c497ad1bf70 RDI: ffffffffb17cdcb0 # [ 53.734930] RBP: ffffffffb1c14390 R08: 0000000000000001 R09: 0000000000000001 # [ 53.742902] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 53.750872] R13: ffffae2c414a7f10 R14: ffffae2c414a7f10 R15: ffff8c4906459000 # [ 53.758842] FS: 00007f4a46310580(0000) GS:ffff8c497ac00000(0000) knlGS:0000000000000000 # [ 53.767880] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 53.774296] CR2: ffffffffb341a660 CR3: 00000001055f8006 CR4: 00000000003706f0 # [ 53.782267] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 53.792181] in_atomic(): 0, irqs_disab[ 58.582142] lkdtm: Performing direct entry WRITE_RO [ 58.592407] lkdtm: attempting bad rodata write at ffffffffb17ce130 led(): 1, non_block: 0, pid: 1637, name: cat # [ 53.800636] I[ 58.599346] BUG: unable to handle page fault for address: ffffffffb17ce130 [ 58.613229] #PF: supervisor write access in kernel mode [ 58.619063] #PF: error_code(0x0003) - permissions violation [ 58.625277] PGD 2fe29067 P4D 2fe29067 PUD 2fe2a063 PMD 800000002f6000e1 NFO: lockdep is turned off. # [ 53.805013] irq event stamp: 0[ 58.632764] Oops: 0003 [#14] SMP PTI [ 58.642966] CPU: 3 PID: 1958 Comm: cat Tainted: G D W 5.10.158-cip22 #1 [ 58.651626] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 58.658432] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a [ 58.663391] Code: 00 48 c7 c7 b8 9c bb b1 48 c7 c6 30 e1 7c b1 e8 94 9b fd ff 48 8b 05 0f eb 65 00 ba 34 12 cd ab 48 c7 c7 e8 9c bb b1 48 31 d0 <48> 89 05 f9 ea 65 00 e9 72 9b fd ff 0f 1f 44 00 00 48 8b 05 e8 6c [ 58.684374] RSP: 0018:ffffae2c4273fe60 EFLAGS: 00010202 [ 58.690207] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 [ 58.698176] RDX: 00000000abcd1234 RSI: ffff8c497ad9bf70 RDI: ffffffffb1bb9ce8 [ 58.706146] RBP: ffffffffb1bb8ed5 R08: 0000000000000000 R09: 0000000000000000 [ 58.714114] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 [ 58.722083] R13: ffffae2c4273ff10 R14: ffffae2c4273ff10 R15: ffff8c4903e76000 [ 58.730052] FS: 00007fd19b896580(0000) GS:ffff8c497ad80000(0000) knlGS:0000000000000000 [ 58.739091] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.745508] CR2: ffffffffb17ce130 CR3: 0000000103210004 CR4: 00000000003706e0 [ 58.753477] Call Trace: [ 58.756205] direct_entry.cold+0x2c/0x38 [ 58.760599] full_proxy_write+0x53/0x80 [ 58.764879] vfs_write+0xe7/0x3a0 [ 58.768577] ksys_write+0x68/0xf0 [ 58.772276] do_syscall_64+0x30/0x40 [ 58.776256] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 58.781895] RIP: 0033:0x7fd19b7ac8f3 [ 58.785883] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 58.806865] RSP: 002b:00007fff74099fa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 58.815319] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007fd19b7ac8f3 [ 58.823290] RDX: 0000000000000009 RSI: 00007fd19b69f000 RDI: 0000000000000001 [ 58.831259] RBP: 00007fd19b69f000 R08: 00007fd19b69e010 R09: 0000000000000000 [ 58.839229] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 58.847198] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 58.855172] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 53.808421] hardirqs last enabled at (0): [<000000000000[ 58.881627] CR2: ffffffffb17ce130 [ 58.891537] ---[ end trace 3cde216e32c10bf0 ]--- [ 58.896684] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 58.901060] Code: 89 ff e8 5e a6 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 00 a6 93 02 [ 58.922048] RSP: 0018:ffffae2c414a7e60 EFLAGS: 00010282 [ 58.927874] RAX: ffffffffb0ae0010 RBX: 0000000000000001 RCX: 0000000000000000 [ 58.935843] RDX: 0000000000000000 RSI: ffff8c497ad1bf70 RDI: ffffffffb17cdcb0 [ 58.943812] RBP: ffffffffb1c14390 R08: 0000000000000001 R09: 0000000000000001 [ 58.951783] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 58.959751] R13: ffffae2c414a7f10 R14: ffffae2c414a7f10 R15: ffff8c4906459000 [ 58.967719] FS: 00007fd19b896580(0000) GS:ffff8c497ad80000(0000) knlGS:0000000000000000 [ 58.976758] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.983172] CR2: ffffffffb17ce130 CR3: 0000000103210004 CR4: 00000000003706e0 [ 58.991142] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 59.001054] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1958, name: cat [ 59.009512] INFO: lockdep is turned off. [ 59.013888] irq event stamp: 0 [ 59.017294] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 59.024292] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 59.033427] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 59.042574] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 59.049573] CPU: 3 PID: 1958 Comm: cat Tainted: G D W 5.10.158-cip22 #1 [ 59.058222] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 59.065024] Call Trace: [ 59.067750] dump_stack+0x77/0x9b [ 59.071439] ___might_sleep.cold+0xa6/0xb6 [ 59.076001] exit_signals+0x1c/0x2e0 [ 59.079990] do_exit+0xd5/0xb00 [ 59.083494] ? ksys_write+0x68/0xf0 [ 59.087387] rewind_stack_do_exit+0x17/0x20 [ 59.092054] RIP: 0033:0x7fd19b7ac8f3 [ 59.096042] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 59.117026] RSP: 002b:00007fff74099fa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 59.125483] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007fd19b7ac8f3 [ 59.133446] RDX: 0000000000000009 RSI: 00007fd19b69f000 RDI: 0000000000000001 [ 59.141415] RBP: 00007fd19b69f000 R08: 00007fd19b69e010 R09: 0000000000000000 [ 59.149386] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 59.157355] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0000>] 0x0 # [ 53.815421] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 53.824572] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 53.833709] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 53.840710] CPU: 0 PID: 1637 Comm: cat Tainted: G D W 5.10.158-cip22 #1 # [ 53.849353] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 53.856157] Call Trace: # [ 53.858885] dump_stack+0x77/0x9b # [ 53.862590] ___might_sleep.cold+0xa6/0xb6 # [ 53.867164] exit_signals+0x1c/0x2e0 # [ 53.871155] do_exit+0xd5/0xb00 # [ 53.874659] ? ksys_write+0x68/0xf0 # [ 53.878578] rewind_stack_do_exit+0x17/0x20 # [ 53.883253] RIP: 0033:0x7f4a462268f3 # [ 53.887233] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 53.908223] RSP: 002b:00007fffa9571b68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 53.916671] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f4a462268f3 # [ 53.924643] RDX: 000000000000000a RSI: 00007[ 59.280630] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT [ 59.290178] lkdtm: attempting bad ro_after_init write at ffffffffb1c36330 [ 59.297772] BUG: unable to handle page fault for address: ffffffffb1c36330 f4a46119000 RDI: 0000000000000001 # [ 53.932633] RBP: 00007f4[ 59.305477] #PF: supervisor write access in kernel mode [ 59.317524] #PF: error_code(0x0003) - permissions violation a4[6119000 R08: 00007f4a46118010 R09: 0000000000000000 # [ 53. 59.323748] PGD 2fe29067 P4D 2fe29067 PUD 2fe2a063 PMD 104c85063 PTE 800000002fc36061 [ 59.338720] Oops: 0003 [#15] SMP PTI [ 59.342712] CPU: 3 PID: 1993 Comm: cat Tainted: G D W 5.10.158-cip22 #1 [ 59.351366] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 59.358173] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a [ 59.364203] Code: 9d bb b1 e9 46 9b fd ff 48 c7 c7 40 9d bb b1 e8 3a 9b fd ff 48 8b 05 b5 6c ac 00 ba 34 12 cd ab 48 c7 c7 e8 9c bb b1 48 31 d0 <48> 89 05 9f 6c ac 00 e9 18 9b fd ff 0f 1f 44 00 00 41 54 48 c7 c7 [ 59.385182] RSP: 0018:ffffae2c427cfe60 EFLAGS: 00010202 [ 59.391015] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 [ 59.398986] RDX: 00000000abcd1234 RSI: ffff8c497ad9bf70 RDI: ffffffffb1bb9ce8 [ 59.406958] RBP: ffffffffb1bb8ede R08: 0000000000000000 R09: 0000000000000000 [ 59.414929] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 [ 59.422897] R13: ffffae2c427cff10 R14: ffffae2c427cff10 R15: ffff8c4903e99000 [ 59.430869] FS: 00007f334dba5580(0000) GS:ffff8c497ad80000(0000) knlGS:0000000000000000 [ 59.439897] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.446313] CR2: ffffffffb1c36330 CR3: 0000000104cb4001 CR4: 00000000003706e0 [ 59.454284] Call Trace: [ 59.457013] direct_entry.cold+0x2c/0x38 [ 59.461393] full_proxy_write+0x53/0x80 [ 59.465675] vfs_write+0xe7/0x3a0 [ 59.469373] ksys_write+0x68/0xf0 [ 59.473072] do_syscall_64+0x30/0x40 [ 59.477063] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 59.482704] RIP: 0033:0x7f334dabb8f3 [ 59.486691] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 59.507677] RSP: 002b:00007ffd75364228 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 59.516134] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f334dabb8f3 [ 59.524105] RDX: 0000000000000014 RSI: 00007f334d9ae000 RDI: 0000000000000001 [ 59.532077] RBP: 00007f334d9ae000 R08: 00007f334d9ad010 R09: 0000000000000000 [ 59.540047] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 59.548014] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 59.555987] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 940594] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000[ 59.582441] CR2: ffffffffb1c36330 [ 59.592352] ---[ end trace 3cde216e32c10bf1 ]--- [ 59.597506] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 59.601883] Code: 89 ff e8 5e a6 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 00 a6 93 02 [ 59.622867] RSP: 0018:ffffae2c414a7e60 EFLAGS: 00010282 [ 59.628701] RAX: ffffffffb0ae0010 RBX: 0000000000000001 RCX: 0000000000000000 [ 59.636670] RDX: 0000000000000000 RSI: ffff8c497ad1bf70 RDI: ffffffffb17cdcb0 [ 59.644639] RBP: ffffffffb1c14390 R08: 0000000000000001 R09: 0000000000000001 [ 59.652621] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 59.660592] R13: ffffae2c414a7f10 R14: ffffae2c414a7f10 R15: ffff8c4906459000 [ 59.668572] FS: 00007f334dba5580(0000) GS:ffff8c497ad80000(0000) knlGS:0000000000000000 [ 59.677630] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.684045] CR2: ffffffffb1c36330 CR3: 0000000104cb4001 CR4: 00000000003706e0 000000001 # [ 53.948570] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_DATA: saw 'call trace:': ok ok 30 selftests: lkdtm: EXEC_DATA.sh # selftests: lkdtm: EXEC_STACK.sh # Killed # [ 54.056170] lkdtm: Performing direct entry EXEC_STACK # [ 54.067889] lkdtm: attempting ok execution at ffffffffb0ae03e0 # [ 54.080669] lkdtm: attempting bad execution at ffffae2c4230fe18 # [ 54.093496] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 54.108031] BUG: unable to handle page fault for address: ffffae2c4230fe18 # [ 54.115711] #PF: supervisor instruction fetch in kernel mode # [ 54.122031] #PF: error_code(0x0011) - permissions violation # [ 54.128254] PGD 100000067 P4D 100000067 PUD 100211067 PMD 103c4f067 PTE 8000000106477063 # [ 54.137302] Oops: 0011 [#6] SMP PTI # [ 54.141193] CPU: 0 PID: 1673 Comm: cat Tainted: G D W 5.10.158-cip22 #1 # [ 54.149843] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 54.156650] RIP: 0010:0xffffae2c4230fe18 # [ 54.161027] Code: 00 00 18 fe 30 42 2c ae ff ff f1 f5 16 b1 ff ff ff ff 20 00 00 00 0[ 59.802668] lkdtm: Performing direct entry WRITE_KERN 0 00 00 00 6e 8e bb b1 ff ff ff ff 20 f7 16 b1 ff ff ff ff <0f> [ 59.809572] lkdtm: attempting bad 6877627 byte write at ffffffffb116f59b 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 [ 59.823290] BUG: unable to handle page fault for address: ffffffffb116f59b [ 59.837177] #PF: supervisor write access in kernel mode # [ 54.182013] RSP: 0018:ffffae2c4230fdf8 EFLAGS: 00010246 # [ 59.843011] #PF: error_code(0x0003) - permissions violation [ 54.187849] RAX: 0000000000000033 RBX: 0000000000000001 RCX: [ 59.855451] PGD 2fe29067 P4D 2fe29067 PUD 2fe2a063 PMD 2f0000e1 [ 59.868380] Oops: 0003 [#16] SMP PTI [ 59.872368] CPU: 1 PID: 2028 Comm: cat Tainted: G D W 5.10.158-cip22 #1 [ 59.881017] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 59.887826] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e 0000000000000000 # [ 54.195819] RDX: 0000000000000000 RSI: ff[ 59.892981] Code: 53 48 c7 c3 9b f5 16 b1 49 89 dc 48 89 da 49 81 ec e0 03 ae b0 4c 89 e6 e8 ed 9a fd ff 48 89 df 4c 89 e1 48 c7 c6 e0 03 ae b0 a4 48 c7 c7 e8 9c bb b1 e8 d2 9a fd ff 5b 41 5c e9 b7 fe ff ff [ 59.920180] RSP: 0018:ffffae2c42837e50 EFLAGS: 00010246 [ 59.926014] RAX: 000000000000003c RBX: ffffffffb116f59b RCX: 000000000068f1bb [ 59.933984] RDX: 0000000000000000 RSI: ffffffffb0ae03e0 RDI: ffffffffb116f59b [ 59.941954] RBP: ffffffffb1bb8ef2 R08: 0000000000000000 R09: 0000000000000000 [ 59.949923] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000068f1bb [ 59.957893] R13: ffffae2c42837f10 R14: ffffae2c42837f10 R15: ffff8c4903b5b000 [ 59.965864] FS: 00007f766e1a3580(0000) GS:ffff8c497ac80000(0000) knlGS:0000000000000000 [ 59.974901] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.981316] CR2: ffffffffb116f59b CR3: 0000000104f80002 CR4: 00000000003706e0 [ 59.989286] Call Trace: [ 59.992014] direct_entry.cold+0x2c/0x38 ff8c497ac1bf70 RDI: ffff8c497ac1bf70 # [ 54.203791] RBP: ffff[ 59.996394] full_proxy_write+0x53/0x80 [ 60.006888] vfs_write+0xe7/0x3a0 ae2c4230fe18 R08: 0000000000000000 R09: 0000000000000000 # [ [ 60.010588] ksys_write+0x68/0xf0 [ 60.020498] do_syscall_64+0x30/0x40 [ 60.024477] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 60.030108] RIP: 0033:0x7f766e0b98f3 [ 60.034097] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 60.055071] RSP: 002b:00007ffdf669e268 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 60.063529] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f766e0b98f3 [ 60.071491] RDX: 000000000000000b RSI: 00007f766dfac000 RDI: 0000000000000001 [ 60.079460] RBP: 00007f766dfac000 R08: 00007f766dfab010 R09: 0000000000000000 [ 60.087430] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 60.095399] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 54.211760] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000[ 60.103373] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 60.136015] CR2: ffffffffb116f59b [ 60.139713] ---[ end trace 3cde216e32c10bf2 ]--- [ 60.144867] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 60.149243] Code: 89 ff e8 5e a6 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 00 a6 93 02 [ 60.170220] RSP: 0018:ffffae2c414a7e60 EFLAGS: 00010282 [ 60.176055] RAX: ffffffffb0ae0010 RBX: 0000000000000001 RCX: 0000000000000000 [ 60.184025] RDX: 0000000000000000 RSI: ffff8c497ad1bf70 RDI: ffffffffb17cdcb0 [ 60.191993] RBP: ffffffffb1c14390 R08: 0000000000000001 R09: 0000000000000001 [ 60.199965] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 60.207935] R13: ffffae2c414a7f10 R14: ffffae2c414a7f10 R15: ffff8c4906459000 [ 60.215907] FS: 00007f766e1a3580(0000) GS:ffff8c497ac80000(0000) knlGS:0000000000000000 [ 60.224935] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.231352] CR2: ffffffffb116f59b CR3: 0000000104f80002 CR4: 00000000003706e0 [ 60.239322] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 60.249233] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 2028, name: cat [ 60.257687] INFO: lockdep is turned off. [ 60.262064] irq event stamp: 0 [ 60.265469] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 60.272469] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 60.281618] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 60.290761] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 60.297761] CPU: 1 PID: 2028 Comm: cat Tainted: G D W 5.10.158-cip22 #1 [ 60.306410] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 60.313217] Call Trace: [ 60.315944] dump_stack+0x77/0x9b [ 60.319644] ___might_sleep.cold+0xa6/0xb6 [ 60.324218] exit_signals+0x1c/0x2e0 [ 60.328209] do_exit+0xd5/0xb00 [ 60.331712] ? ksys_write+0x68/0xf0 [ 60.335623] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 [ 60.341068] rewind_stack_do_exit+0x17/0x20 [ 60.345737] RIP: 0033:0x7f766e0b98f3 [ 60.349727] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 60.370700] RSP: 002b:00007ffdf669e268 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 60.379155] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f766e0b98f3 [ 60.387125] RDX: 000000000000000b RSI: 00007f766dfac000 RDI: 0000000000000001 [ 60.395093] RBP: 00007f766dfac000 R08: 00007f766dfab010 R09: 0000000000000000 [ 60.403062] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 60.411030] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 00000000000b # [ 54.219732] R13: ffffae2c4230ff10 R14: ffffae2c4230ff10 R15: ffff8c49032c4000 # [ 54.227705] FS: 00007f0b12358580(0000) GS:ffff8c497ac00000(0000) knlGS:0000000000000000 # [ 54.236736] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.243151] CR2: ffffae2c4230fe18 CR3: 0000000103062005 CR4: 00000000003706f0 # [ 54.251122] Call Trace: # [ 54.253851] ? execute_location+0x45/0x56 # [ 54.258332] ? lkdtm_EXEC_STACK+0x26/0x44 # [ 54.262800] ? direct_entry.cold+0x2c/0x38 # [ 54.267373] ? full_proxy_write+0x53/0x80 # [ 54.271850] ? vfs_write+0xe7/0x3a0 # [ 54.275744] ? ksys_write+0x68/0xf0 # [ 54.279628] ? do_syscall_64+0x30/0x40 # [ 54.283811] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 54.289649] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 54.316093] CR2: ffffae2c4230fe18 # [ 54.319791] ---[ end trace 3cde216e32c10be8 ]--- # [ 54.324946] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 54.329314] Code: 89 ff e8 5e a6 a3 [ 60.535404] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc c[ 60.543847] lkdtm: attempting good refcount_inc() without overflow c 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 [ 60.556940] lkdtm: attempting bad refcount_inc() overflow 00 00 00 00 00 0f 1f 44 00 00 83 05 00 a6 93 02 # [ 54.350301[ 60.569213] ------------[ cut here ]------------ ] RSP: 0018:ffffae2c414a7e60 EFLAGS: 00010282 # [ 54.356136] [ 60.580599] refcount_t: saturated; leaking memory. RAX: ffffffffb0ae0010 RBX: 0000000000000001 RCX: 000000000000000[ 60.592198] WARNING: CPU: 0 PID: 2063 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 0 # [ 54.364106] RDX: 0000000000000000 RSI: ffff8c497ad1bf70 [ 60.607832] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify RDI: ffffffffb17cdcb0 # [ 54.372077] RBP: ffffffffb1c14390 R0[ 60.640484] CPU: 0 PID: 2063 Comm: cat Tainted: G D W 5.10.158-cip22 #1 8: 0000000000000001 R09: 0000000000000001 # [ 54.380048] R10:[ 60.655342] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 #[ 60.668406] RIP: 0010:refcount_warn_saturate+0x51/0x110 [ 54.388019] R13: ffffae2c414a7f10 R14: ffffae2c414a7f10 R15:[ 60.680478] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 2f 3b 94 01 00 75 ee 48 c7 c7 00 48 b5 b1 c6 05 1f 3b 94 01 01 e8 39 86 98 00 <0f> 0b c3 cc cc cc cc 80 3d 0b 3b 94 01 00 75 cb 48 c7 c7 28 48 b5 ffff8c4906459000 # [ 54.395989] FS: 00007f0b12358580(0000) [ 60.707687] RSP: 0018:ffffae2c428dfe48 EFLAGS: 00010286 GS:ffff8c497ac00000(0000) knlGS:0000000000000000 # [ 54.40502[ 60.719781] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 9] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.4[ 60.733938] RDX: ffff8c497ac2c660 RSI: ffff8c497ac1bf70 RDI: ffff8c497ac1bf70 11447] CR2: ffffae2c4230fe18 CR3: 0000000103062005 CR4: 00000000[ 60.748173] RBP: ffffffffb1bb8efd R08: 0000000000000000 R09: 0000000000000000 003706f0 # EXEC_STACK: saw 'call trace:': ok ok 31 selftests: [ 60.762333] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 lkdtm: EXEC_STACK.sh # selftests: lkdtm: EXEC_KMALLOC.sh # Kil[ 60.776535] R13: ffffae2c428dff10 R14: ffffae2c428dff10 R15: ffff8c4903fba000 led # [ 54.559282] lkdtm: Performing direct entry EXEC_KMALLO[ 60.790697] FS: 00007fda4ce29580(0000) GS:ffff8c497ac00000(0000) knlGS:0000000000000000 C # [ 54.568252] lkdtm: attempting ok execution at ffffffffb0[ 60.805969] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 ae03e0 # [ 54.580994] lkdtm: attempting bad execution at ffff[ 60.818586] CR2: 00007fda4cc32000 CR3: 0000000104f58001 CR4: 00000000003706f0 8c4903260940 # [ 54.593822] kernel tried to execute NX-protec[ 60.832799] Call Trace: ted page - exploit attempt? (uid: 0) # [ 54.608361] BUG: unab[ 60.841736] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 le to handle page fault for address: ffff8c4903260940 # [ 54.[ 60.853326] direct_entry.cold+0x2c/0x38 616032] #PF: supervisor instruction fetch in kernel mode # [ [ 60.863910] full_proxy_write+0x53/0x80 54.622352] #PF: error_code(0x0011) - permissions violation # [ [ 60.874432] vfs_write+0xe7/0x3a0 54.628574] PGD 31601067 P4D 31601067 PUD 10084e063 PMD 10330f0[ 60.884330] ksys_write+0x68/0xf0 63 PTE 8000000103260063 # [ 54.637429] Oops: 0011 [#7] SMP PT[ 60.894290] do_syscall_64+0x30/0x40 I # [ 54.641322] CPU: 0 PID: 1709 Comm: cat Tainted: G D[ 60.904465] entry_SYSCALL_64_after_hwframe+0x61/0xc6 W 5.10.158-cip22 #1 # [ 54.649964] Hardware name: Go[ 60.916352] RIP: 0033:0x7fda4cd3f8f3 ogle Rammus/Rammus, BIOS 09/04/2020 # [ 54.656769] RIP: 0010[ 60.926532] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 :0xffff8c4903260940 # [ 54.661147] Code: 00 00 02 00 00 00 00[ 60.953737] RSP: 002b:00007ffdc066bcf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 00 00 00 80 00 26 03 49 8c ff ff 04 00 00 00 00 00 00 00 00 00 [ 60.968419] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fda4cd3f8f3 00 00 00 00 00 00 2b 24 30 b0 ff ff ff ff <0f> 1f 44 00 00 c3 cc[ 60.982622] RDX: 0000000000000016 RSI: 00007fda4cc32000 RDI: 0000000000000001 cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 # [ 54.682124] [ 60.996804] RBP: 00007fda4cc32000 R08: 00007fda4cc31010 R09: 0000000000000000 RSP: 0018:ffffae2c4238fe38 EFLAGS: 00010246 # [ 54.687959] RA[ 61.011028] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 X: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 61.025199] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 54.695930] RDX: 0000000000000000 RSI: ffff8c497ac1bf70 RD[ 61.039421] irq event stamp: 0 I: ffff8c497ac1bf70 # [ 54.703902] RBP: ffff8c4903260940 R08:[ 61.049027] hardirqs last enabled at (0): [<0000000000000000>] 0x0 0000000000000000 R09: 0000000000000000 # [ 54.711874] R10: 0[ 61.062273] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 0000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [[ 61.077613] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 54.719844] R13: ffffae2c4238ff10 R14: ffffae2c4238ff10 R15: f[ 61.092992] softirqs last disabled at (0): [<0000000000000000>] 0x0 fff8c4903146000 # [ 54.727816] FS: 00007fc3d0aea580(0000) GS[ 61.106189] ---[ end trace 3cde216e32c10bf3 ]--- :ffff8c497ac00000(0000) knlGS:0000000000000000 # [ 54.736847][ 61.117587] lkdtm: Overflow detected: saturated CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.743263] CR2: ffff8c4903260940 CR3: 0000000103062003 CR4: 00000000003706f0 # [ 54.751235] Call Trace: # [ 54.753963] ? execute_location+0x45/0x56 # [ 54.758444] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 # [ 54.763120] ? direct_entry.cold+0x2c/0x38 # [ 54.767694] ? full_proxy_write+0x53/0x80 # [ 54.772170] ? vfs_write+0xe7/0x3a0 # [ 54.776063] ? ksys_write+0x68/0xf0 # [ 54.779948] ? do_syscall_64+0x30/0x40 # [ 54.784132] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 54.789970] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 54.816417] CR2: ffff8c4903260940 # [ 54.820115] ---[ end trace 3cde216e32c10be9 ]--- # [ 54.825271] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 54.829639] Code: 89 ff e8 5e a6 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 00 a6 93 02 # [ 54.850627] RSP: 0018:ffffae2c414a7e60 EFLAGS: 00010282 # [ 54.856460] RAX: ffffffffb0ae0010 RBX: 0000000000000001 RCX: 0000000000000000 # [ 54.864432] RDX: 0000000000000000 RSI: ffff8c497ad1bf70 RDI: ffffffffb17cdcb0 # [ 54.872404] RBP: ffffffffb1c14390 R08: 000000000000[ 61.270367] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW 0001 R09: 0000000000000001 # [ 54.880375] R10: 00000000ffffe0[ 61.278496] lkdtm: attempting good refcount_add() without overflow 00 R11: 3fffffffffffffff R12: 0000000000000004 # [ 54.888345][ 61.291622] lkdtm: attempting bad refcount_add() overflow R13: ffffae2c414a7f10 R14: ffffae2c414a7f10 R15: ffff8c49064590[ 61.303867] ------------[ cut here ]------------ 00 # [ 54.896317] FS: 00007fc3d0aea580(0000) GS:ffff8c497ac0[ 61.315237] refcount_t: saturated; leaking memory. 0000(0000) knlGS:0000000000000000 # [ 54.905356] CS: 0010 DS[ 61.326834] WARNING: CPU: 1 PID: 2095 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 : 0000 ES: 0000 CR0: 0000000080050033 # [ 54.911774] CR2: fff[ 61.342446] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify f8c4903260940 CR3: 0000000103062003 CR4: 00000000003706f0 # [ [ 61.375084] CPU: 1 PID: 2095 Comm: cat Tainted: G D W 5.10.158-cip22 #1 54.919747] BUG: sleeping function called from invalid context a[ 61.389952] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 t include/linux/percpu-rwsem.h:49 # [ 54.929662] in_atomic():[ 61.402977] RIP: 0010:refcount_warn_saturate+0x51/0x110 0, irqs_disabled(): 1, non_block: 0, pid: 1709, name: cat # [ [ 61.415028] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 2f 3b 94 01 00 75 ee 48 c7 c7 00 48 b5 b1 c6 05 1f 3b 94 01 01 e8 39 86 98 00 <0f> 0b c3 cc cc cc cc 80 3d 0b 3b 94 01 00 75 cb 48 c7 c7 28 48 b5 54.938118] INFO: lockdep is turned off. # [ 54.942496] irq [ 61.442231] RSP: 0018:ffffae2c42947e48 EFLAGS: 00010286 event stamp: 0 # [ 54.945902] hardirqs last enabled at (0): [ 61.454286] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 [<0000000000000000>] 0x0 # [ 54.952903] hardirqs last disable[ 61.468474] RDX: ffff8c497acac660 RSI: ffff8c497ac9bf70 RDI: ffff8c497ac9bf70 d at (0): [] copy_process+0x640/0x1c80 # [ [ 61.482665] RBP: ffffffffb1bb8f13 R08: 0000000000000000 R09: 0000000000000000 54.962039] softirqs last enabled at (0): [] c[ 61.496879] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 opy_process+0x640/0x1c80 # [ 54.971175] softirqs last disable[ 61.511046] R13: ffffae2c42947f10 R14: ffffae2c42947f10 R15: ffff8c4903088000 d at (0): [<0000000000000000>] 0x0 # [ 54.978176] CPU: 0 PID:[ 61.525230] FS: 00007ff4a6885580(0000) GS:ffff8c497ac80000(0000) knlGS:0000000000000000 1709 Comm: cat Tainted: G D W 5.10.158-cip22 #1 #[ 61.540486] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.986825] Hardware name: Google Rammus/Rammus, BIOS 09/04[ 61.553123] CR2: 00007ff4a668e000 CR3: 00000001030dc006 CR4: 00000000003706e0 /2020 # [ 54.993629] Call Trace: # [ 54.996359] dump_stac[ 61.567312] Call Trace: k+0x77/0x9b # [ 55.000062] ___might_sleep.cold+0xa6/0xb6 # [ 61.576263] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 [ 55.004641] exit_signals+0x1c/0x2e0 # [ 55.008630] do_ex[ 61.587829] direct_entry.cold+0x2c/0x38 it+0xd5/0xb00 # [ 55.012134] ? ksys_write+0x68/0xf0 # [ 5[ 61.598424] full_proxy_write+0x53/0x80 5.016028] rewind_stack_do_exit+0x17/0x20 # [ 55.020702] RIP:[ 61.608924] vfs_write+0xe7/0x3a0 0033:0x7fc3d0a008f3 # [ 55.024681] Code: 8b 15 a1 25 0e 00 f[ 61.618838] ksys_write+0x68/0xf0 7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18[ 61.628751] do_syscall_64+0x30/0x40 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 7[ 61.638957] entry_SYSCALL_64_after_hwframe+0x61/0xc6 7 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 55.045668][ 61.650814] RIP: 0033:0x7ff4a679b8f3 RSP: 002b:00007ffc8b2a7418 EFLAGS: 00000246 ORIG_RAX: 000000000[ 61.661019] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 0000001 # [ 55.054125] RAX: ffffffffffffffda RBX: 00000000000[ 61.688224] RSP: 002b:00007fff6b5477a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 0000d RCX: 00007fc3d0a008f3 # [ 55.062097] RDX: 0000000000000[ 61.702896] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007ff4a679b8f3 00d RSI: 00007fc3d08f3000 RDI: 0000000000000001 # [ 55.070069[ 61.717090] RDX: 0000000000000016 RSI: 00007ff4a668e000 RDI: 0000000000000001 ] RBP: 00007fc3d08f3000 R08: 00007fc3d08f2010 R09: 0000000000000[ 61.731278] RBP: 00007ff4a668e000 R08: 00007ff4a668d010 R09: 0000000000000000 000 # [ 55.078031] R10: fffffffffffffbc5 R11: 000000000000024[ 61.745466] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 6 R12: 0000000000000001 # [ 55.086002] R13: 0000000000000001 [ 61.759654] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 R14: 0000000000020000 R15: 0000000000020000 # EXEC_KMALLOC: saw[ 61.773845] irq event stamp: 0 'call trace:': ok ok 32 selftests: lkdtm: EXEC_KMALLOC.sh # s[ 61.783465] hardirqs last enabled at (0): [<0000000000000000>] 0x0 elftests: lkdtm: EXEC_VMALLOC.sh # Killed # [ 55.228786] lkd[ 61.796683] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 tm: Performing direct entry EXEC_VMALLOC # [ 55.236663] lkdtm[ 61.812035] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 : attempting ok execution at ffffffffb0ae03e0 # [ 55.243193] [ 61.827390] softirqs last disabled at (0): [<0000000000000000>] 0x0 lkdtm: attempting bad execution at ffffae2c40365000 # [ 55.24[ 61.840608] ---[ end trace 3cde216e32c10bf4 ]--- 9819] kernel tried to execute NX-protected page - exploit attemp[ 61.851984] lkdtm: Overflow detected: saturated t? (uid: 0) # [ 55.258186] BUG: unable to handle page fault for address: ffffae2c40365000 # [ 55.265869] #PF: supervisor instruction fetch in kernel mode # [ 55.272188] #PF: error_code(0x0011) - permissions violation # [ 55.278411] PGD 100000067 P4D 100000067 PUD 100211067 PMD 100996067 PTE 800000010267d063 # [ 55.293672] Oops: 0011 [#8] SMP PTI # [ 55.297565] CPU: 3 PID: 1745 Comm: cat Tainted: G D W 5.10.158-cip22 #1 # [ 55.306215] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 55.313022] RIP: 0010:0xffffae2c40365000 # [ 55.317392] Code: Unable to access opcode bytes at RIP 0xffffae2c40364fd6. # [ 55.325062] RSP: 0018:ffffae2c423f7e38 EFLAGS: 00010246 # [ 55.330895] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 55.338864] RDX: 0000000000000000 RSI: ffff8c497ad9bf70 RDI: ffff8c497ad9bf70 # [ 55.346834] RBP: ffffae2c40365000 R08: 0000000000000000 R09: 0000000000000000 # [ 55.354803] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 55.362773] R13: ffffae2c423f7[ 61.968758] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW [ 61.976496] lkdtm: attempting bad refcount_inc_not_zero() overflow [ 61.983407] ------------[ cut here ]------------ f10 R14: ffffae2c423f7f10 R15: ffff8c490267d000 # [ 55.370743[ 61.988595] refcount_t: saturated; leaking memory. ] FS: 00007f5b64f91580(0000) GS:ffff8c497ad80000(0000) knlGS:00[ 62.000178] WARNING: CPU: 3 PID: 2127 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 [ 62.015815] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 00000000000000 # [ 55.379781] CS: 0010 DS: 0000 ES: 0000 CR0[ 62.042283] CPU: 3 PID: 2127 Comm: cat Tainted: G D W 5.10.158-cip22 #1 [ 62.057141] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 62.063975] RIP: 0010:refcount_warn_saturate+0x97/0x110 [ 62.069813] Code: 01 01 e8 16 86 98 00 0f 0b c3 cc cc cc cc 80 3d ea 3a 94 01 00 75 a8 48 c7 c7 00 48 b5 b1 c6 05 da 3a 94 01 01 e8 f3 85 98 00 <0f> 0b c3 cc cc cc cc 80 3d c4 3a 94 01 00 75 85 48 c7 c7 58 48 b5 [ 62.090802] RSP: 0018:ffffae2c429c7e38 EFLAGS: 00010282 [ 62.096639] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 [ 62.104611] RDX: ffff8c497adac660 RSI: ffff8c497ad9bf70 RDI: ffff8c497ad9bf70 [ 62.112585] RBP: ffffffffb1bb8b50 R08: 0000000000000000 R09: 0000000000000000 [ 62.120575] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f : 0000000080050033 # [ 55.386196] CR2: ffffae2c40364fd6 CR3: [ 62.128546] R13: ffffae2c429c7f10 R14: ffffae2c429c7f10 R15: ffff8c490641c000 [ 62.142730] FS: 00007f6fbae0f580(0000) GS:ffff8c497ad80000(0000) knlGS:0000000000000000 [ 62.151772] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.158192] CR2: 00007f6fbac18000 CR3: 000000010091a004 CR4: 00000000003706e0 [ 62.166164] Call Trace: [ 62.168895] __refcount_add_not_zero.constprop.0+0x2a/0x35 [ 62.175031] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 [ 62.181257] direct_entry.cold+0x2c/0x38 [ 62.185639] full_proxy_write+0x53/0x80 [ 62.189923] vfs_write+0xe7/0x3a0 [ 62.193626] ksys_write+0x68/0xf0 [ 62.197328] do_syscall_64+0x30/0x40 [ 62.201320] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 62.206963] RIP: 0033:0x7f6fbad258f3 [ 62.210953] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 62.231940] RSP: 002b:00007fff4702dea8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 62.240399] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f6fbad258f3 [ 62.248375] RDX: 000000000000001f RSI: 00007f6fbac18000 RDI: 0000000000000001 [ 62.256347] RBP: 00007f6fbac18000 R08: 00007f6fbac17010 R09: 0000000000000000 0000000105702005 CR4: 00000000003706e0 # [ 55.394165] Call Tr[ 62.264320] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 62.278512] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ace: # [ 55.396893] ? execute_location+0x45/0x56 # [ 55.4[ 62.286490] irq event stamp: 0 [ 62.296108] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 62.303111] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 62.312250] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 62.321389] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 62.328393] ---[ end trace 3cde216e32c10bf5 ]--- 01368] ? lkdtm_EXEC_VMALLOC+0x20/0x30 # [ 55.406037] ? dire[ 62.333551] lkdtm: Overflow detected: saturated ct_entry.cold+0x2c/0x38 # [ 55.410628] ? full_proxy_write+0x53/0x80 # [ 55.415104] ? vfs_write+0xe7/0x3a0 # [ 55.418995] ? ksys_write+0x68/0xf0 # [ 55.422887] ? do_syscall_64+0x30/0x40 # [ 55.427069] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 55.432906] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 55.459375] CR2: ffffae2c40365000 # [ 55.463072] ---[ end trace 3cde216e32c10bea ]--- # [ 55.468226] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 55.472593] Code: 89 ff e8 5e a6 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 00 a6 93 02 # [ 55.493578] RSP: 0018:ffffae2c414a7e60 EFLAGS: 00010282 # [ 55.499412] RAX: ffffffffb0ae0010 RBX: 0000000000000001 RCX: 0000000000000000 # [ 55.507382] RDX: 0000000000000000 RSI: [ 62.450207] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW ffff8c497ad1bf70 RDI: ffffffffb17cdcb0 # [ 55.515353] RBP: ff[ 62.458154] lkdtm: attempting bad refcount_add_not_zero() overflow ffffffb1c14390 R08: 0000000000000001 R09: 0000000000000001 # [ [ 62.471294] ------------[ cut here ]------------ 55.523324] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00[ 62.482662] refcount_t: saturated; leaking memory. 00000000000004 # [ 55.531296] R13: ffffae2c414a7f10 R14: ffff[ 62.494254] WARNING: CPU: 0 PID: 2159 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 ae2c414a7f10 R15: ffff8c4906459000 # [ 55.539267] FS: 00007f[ 62.509914] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 5b64f91580(0000) GS:ffff8c497ad80000(0000) knlGS:000000000000000[ 62.542559] CPU: 0 PID: 2159 Comm: cat Tainted: G D W 5.10.158-cip22 #1 0 # [ 55.548305] CS: 0010 DS: 0000 ES: 0000 CR0: 00000000800[ 62.557442] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 50033 # [ 55.554721] CR2: ffffae2c40364fd6 CR3: 0000000105702[ 62.570500] RIP: 0010:refcount_warn_saturate+0x97/0x110 005 CR4: 00000000003706e0 # EXEC_VMALLOC: saw 'call trace:': ok[ 62.582543] Code: 01 01 e8 16 86 98 00 0f 0b c3 cc cc cc cc 80 3d ea 3a 94 01 00 75 a8 48 c7 c7 00 48 b5 b1 c6 05 da 3a 94 01 01 e8 f3 85 98 00 <0f> 0b c3 cc cc cc cc 80 3d c4 3a 94 01 00 75 85 48 c7 c7 58 48 b5 ok 33 selftests: lkdtm: EXEC_VMALLOC.sh # selftests: lkdtm: E[ 62.609765] RSP: 0018:ffffae2c42a3fe38 EFLAGS: 00010282 XEC_RODATA.sh # Killed # [ 55.679247] lkdtm: Performing dire[ 62.621811] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 ct entry EXEC_RODATA # [ 55.686578] lkdtm: attempting ok exec[ 62.636024] RDX: ffff8c497ac2c660 RSI: ffff8c497ac1bf70 RDI: ffff8c497ac1bf70 ution at ffffffffb0ae03e0 # [ 55.699316] lkdtm: attempting ba[ 62.650182] RBP: ffffffffb1bb8b70 R08: 0000000000000000 R09: 0000000000000000 d execution at ffffffffb17ce140 # [ 55.712146] kernel tried t[ 62.664403] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f o execute NX-protected page - exploit attempt? (uid: 0) # [ 5[ 62.678590] R13: ffffae2c42a3ff10 R14: ffffae2c42a3ff10 R15: ffff8c4903b23000 5.726717] BUG: unable to handle page fault for address: ffffffff[ 62.692775] FS: 00007f9b50458580(0000) GS:ffff8c497ac00000(0000) knlGS:0000000000000000 b17ce140 # [ 55.734387] #PF: supervisor instruction fetch in [ 62.708016] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 kernel mode # [ 55.740706] #PF: error_code(0x0011) - permissi[ 62.720665] CR2: 00007f9b50261000 CR3: 00000001056c4004 CR4: 00000000003706f0 ons violation # [ 55.746929] PGD 2fe29067 P4D 2fe29067 PUD 2f[ 62.734855] Call Trace: e2a063 PMD 800000002f6000e1 # [ 55.754419] Oops: 0011 [#9] S[ 62.743833] __refcount_add_not_zero.constprop.0+0x2a/0x35 MP PTI # [ 55.764527] CPU: 1 PID: 1781 Comm: cat Tainted: G [ 62.756159] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 D W 5.10.158-cip22 #1 # [ 55.773177] Hardware nam[ 62.768611] direct_entry.cold+0x2c/0x38 e: Google Rammus/Rammus, BIOS 09/04/2020 # [ 55.779985] RIP:[ 62.779203] full_proxy_write+0x53/0x80 0010:lkdtm_rodata_do_nothing+0x0/0x10 # [ 55.785723] Code: f[ 62.789718] vfs_write+0xe7/0x3a0 f ff 90 0b 17 b1 ff ff ff ff ba 90 bb b1 ff ff ff ff d6 f2 16 b1[ 62.799626] ksys_write+0x68/0xf0 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[ 62.819766] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 55.812921] RSP: 0018:ffffae2c4248fe48 EFLAGS: 00010246 [ 62.831636] RIP: 0033:0x7f9b5036e8f3 # [ 55.818746] RAX: 0000000000000033 RBX: 0000000000000000 RCX[ 62.841842] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 : 0000000000000000 # [ 55.826717] RDX: 0000000000000000 RSI: [ 62.869054] RSP: 002b:00007ffcfe502c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 ffff8c497ac9bf70 RDI: ffff8c497ac9bf70 # [ 55.834688] RBP: ff[ 62.883724] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f9b5036e8f3 ffffffb17ce140 R08: 0000000000000000 R09: 0000000000000000 # [ [ 62.897929] RDX: 000000000000001f RSI: 00007f9b50261000 RDI: 0000000000000001 55.842658] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00[ 62.912120] RBP: 00007f9b50261000 R08: 00007f9b50260010 R09: 0000000000000000 0000000000000c # [ 55.850628] R13: ffffae2c4248ff10 R14: ffff[ 62.926324] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 ae2c4248ff10 R15: ffff8c49056fe000 # [ 55.858600] FS: 00007f[ 62.940511] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 044a5ba580(0000) GS:ffff8c497ac80000(0000) knlGS:000000000000000[ 62.954720] irq event stamp: 0 0 # [ 55.867660] CS: 0010 DS: 0000 ES: 0000 CR0: 00000000800[ 62.964335] hardirqs last enabled at (0): [<0000000000000000>] 0x0 50033 # [ 55.874077] CR2: ffffffffb17ce140 CR3: 000000010549e[ 62.977561] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 002 CR4: 00000000003706e0 # [ 55.882045] Call Trace: # [ 5[ 62.992914] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 5.884773] ? execute_location+0x45/0x56 # [ 55.889249] ? dir[ 63.008281] softirqs last disabled at (0): [<0000000000000000>] 0x0 ect_entry.cold+0x2c/0x38 # [ 55.900036] ? full_proxy_write+0[ 63.021491] ---[ end trace 3cde216e32c10bf6 ]--- x53/0x80 # [ 55.904512] ? vfs_write+0xe7/0x3a0 # [ 55.908[ 63.032874] lkdtm: Overflow detected: saturated 405] ? ksys_write+0x68/0xf0 # [ 55.912290] ? do_syscall_64+0x30/0x40 # [ 55.916474] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 55.922312] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 55.954955] CR2: ffffffffb17ce140 # [ 55.958654] ---[ end trace 3cde216e32c10beb ]--- # [ 55.963811] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 55.968189] Code: 89 ff e8 5e a6 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 00 a6 93 02 # [ 55.989165] RSP: 0018:ffffae2c414a7e60 EFLAGS: 00010282 # [ 55.994999] RAX: ffffffffb0ae0010 RBX: 0000000000000001 RCX: 0000000000000000 # [ 56.002970] RDX: 0000000000000000 RSI: ffff8c497ad1bf70 RDI: ffffffffb17cdcb0 # [ 56.010940] RBP: ffffffffb1c14390 R08: 0000000000000001 R09: 0000000000000001 # [ 56.018910] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0[ 63.149930] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO [ 63.162355] lkdtm: attempting good refcount_dec() [ 63.167642] lkdtm: attempting bad refcount_dec() to zero [ 63.173580] ------------[ cut here ]------------ 000000000000004 # [ 56.026878] R13: ffffae2c414a7f10 R14: fff[ 63.178744] refcount_t: decrement hit 0; leaking memory. [ 63.190916] WARNING: CPU: 3 PID: 2191 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 fae2c414a7f10 R15: ffff8c4906459000 # [ 56.034847] FS: 00007[ 63.200353] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 63.232990] CPU: 3 PID: 2191 Comm: cat Tainted: G D W 5.10.158-cip22 #1 [ 63.241643] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 63.248451] RIP: 0010:refcount_warn_saturate+0xfb/0x110 [ 63.254289] Code: b0 48 b5 b1 c6 05 8b 3a 94 01 01 e8 a9 85 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 80 48 b5 b1 c6 05 72 3a 94 01 01 e8 8f 85 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b [ 63.275275] RSP: 0018:ffffae2c429f7e48 EFLAGS: 00010286 [ 63.281112] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 [ 63.289083] RDX: ffff8c497adac660 RSI: ffff8c497ad9bf70 RDI: ffff8c497ad9bf70 [ 63.297057] RBP: ffffffffb1bb8f29 R08: 0000000000000000 R09: 0000000000000000 f044a5ba580(0000) GS:ffff8c497ac80000(0000) knlGS:00000000000000[ 63.305034] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 00 # [ 56.043887] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080[ 63.319223] R13: ffffae2c429f7f10 R14: ffffae2c429f7f10 R15: ffff8c4904b91000 050033 # [ 56.050304] CR2: ffffffffb17ce140 CR3: 000000010549[ 63.333414] FS: 00007fe9a4753580(0000) GS:ffff8c497ad80000(0000) knlGS:0000000000000000 [ 63.348672] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.355090] CR2: 00007fe9a455c000 CR3: 00000001032b2002 CR4: 00000000003706e0 [ 63.363066] Call Trace: [ 63.365799] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd e002 CR4: 00000000003706e0 # EXEC_RODATA: saw 'call trace:': ok[ 63.370789] direct_entry.cold+0x2c/0x38 [ 63.381406] full_proxy_write+0x53/0x80 ok 34 selftests: lkdtm: EXEC_RODATA.sh # selftests: lkdtm: EX[ 63.385700] vfs_write+0xe7/0x3a0 [ 63.395621] ksys_write+0x68/0xf0 [ 63.399349] do_syscall_64+0x30/0x40 [ 63.403346] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 63.408990] RIP: 0033:0x7fe9a46698f3 [ 63.412982] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 63.433968] RSP: 002b:00007fff543cbc28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 63.442429] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fe9a46698f3 [ 63.450406] RDX: 0000000000000012 RSI: 00007fe9a455c000 RDI: 0000000000000001 [ 63.458382] RBP: 00007fe9a455c000 R08: 00007fe9a455b010 R09: 0000000000000000 [ 63.466355] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 63.474328] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 63.482324] irq event stamp: 0 EC_USERSPACE.sh # Killed # [ 56.183876] lkdtm: Performing di[ 63.485742] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 63.498954] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 63.508116] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 63.517254] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 63.524254] ---[ end trace 3cde216e32c10bf7 ]--- [ 63.529410] lkdtm: Zero detected: saturated rect entry EXEC_USERSPACE # [ 56.194843] lkdtm: attempting ok execution at ffffffffb0ae03e0 # [ 56.201376] lkdtm: attempting bad execution at 00007fbac27d5000 # [ 56.208000] unable to execute userspace code (SMEP?) (uid: 0) # [ 56.214423] BUG: unable to handle page fault for address: 00007fbac27d5000 # [ 56.222103] #PF: supervisor instruction fetch in kernel mode # [ 56.228422] #PF: error_code(0x0011) - permissions violation # [ 56.234644] PGD 8000000103b67067 P4D 8000000103b67067 PUD 104cad067 PMD 1027b4067 PTE 108130067 # [ 56.244368] Oops: 0011 [#10] SMP PTI # [ 56.248357] CPU: 3 PID: 1817 Comm: cat Tainted: G D W 5.10.158-cip22 #1 # [ 56.256997] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 56.263804] RIP: 0010:0x7fbac27d5000 # [ 56.267782] Code: Unable to access opcode bytes at RIP 0x7fbac27d4fd6. # [ 56.275071] RSP: 0018:ffffae2c42507e50 EFLAGS: 00010246 # [ 56.280904] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 # [ 56.288873] RDX: 0000000000000000 RSI: ffff8c497ad9bf70 RDI: ffff8c497ad9bf70 # [ 56.296843] RBP: 00007fbac27d5000 R08: 00[ 63.642872] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE 00000000000000 R09: 0000000000000000 # [ 56.304813] R10: 0000[ 63.652732] lkdtm: attempting bad refcount_dec() below zero 0000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f # [ [ 63.665198] ------------[ cut here ]------------ 56.312781] R13: ffffae2c42507f10 R14: ffffae2c42507f10 R15: ffff[ 63.676578] refcount_t: decrement hit 0; leaking memory. 8c4904f00000 # [ 56.320751] FS: 00007fbac27a6580(0000) GS:ff[ 63.688782] WARNING: CPU: 0 PID: 2226 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 ff8c497ad80000(0000) knlGS:0000000000000000 # [ 56.329790] CS[ 63.704375] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify : 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.336207[ 63.737068] CPU: 0 PID: 2226 Comm: cat Tainted: G D W 5.10.158-cip22 #1 ] CR2: 00007fbac27d5000 CR3: 0000000105408003 CR4: 0000000000370[ 63.751895] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 6e0 # [ 56.344178] Call Trace: # [ 56.346908] ? lkdtm_EXE[ 63.764975] RIP: 0010:refcount_warn_saturate+0xfb/0x110 C_USERSPACE.cold+0x66/0xae # [ 56.352257] ? direct_entry.col[ 63.776997] Code: b0 48 b5 b1 c6 05 8b 3a 94 01 01 e8 a9 85 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 80 48 b5 b1 c6 05 72 3a 94 01 01 e8 8f 85 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b d+0x2c/0x38 # [ 56.356830] ? full_proxy_write+0x53/0x80 # [[ 63.804209] RSP: 0018:ffffae2c42b27e48 EFLAGS: 00010286 56.361306] ? vfs_write+0xe7/0x3a0 # [ 56.365198] ? ksys_[ 63.816242] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 write+0x68/0xf0 # [ 56.369092] ? do_syscall_64+0x30/0x40 # [ 63.830447] RDX: ffff8c497ac2c660 RSI: ffff8c497ac1bf70 RDI: ffff8c497ac1bf70 [ 56.373275] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ [ 63.844640] RBP: ffffffffb1bb8f3b R08: 0000000000000000 R09: 0000000000000000 56.379104] Modules linked in: fuse ip_tables cros_ec_sensors c[ 63.858823] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 ros_ec_sensors_core industrialio_triggered_buffer kfifo_buf indu[ 63.873018] R13: ffffae2c42b27f10 R14: ffffae2c42b27f10 R15: ffff8c4903b46000 strialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_[ 63.887223] FS: 00007f9b73194580(0000) GS:ffff8c497ac00000(0000) knlGS:0000000000000000 chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_[ 63.902482] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 usbpd_notify # [ 56.405563] CR2: 00007fbac27d5000 # [ 56.4[ 63.915115] CR2: 00007f9b72f9d000 CR3: 0000000104d16006 CR4: 00000000003706f0 15474] ---[ end trace 3cde216e32c10bec ]--- # [ 56.420631] RI[ 63.929285] Call Trace: P: 0010:lkdtm_BUG+0x5/0x10 # [ 56.425007] Code: 89 ff e8 5e a[ 63.938269] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc[ 63.949828] direct_entry.cold+0x2c/0x38 cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1[ 63.960419] full_proxy_write+0x53/0x80 f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 00 a6 93 02 # [ 56.4[ 63.970932] vfs_write+0xe7/0x3a0 45994] RSP: 0018:ffffae2c414a7e60 EFLAGS: 00010282 # [ 56.451[ 63.980820] ksys_write+0x68/0xf0 829] RAX: ffffffffb0ae0010 RBX: 0000000000000001 RCX: 0000000000[ 63.990779] do_syscall_64+0x30/0x40 000000 # [ 56.459799] RDX: 0000000000000000 RSI: ffff8c497ad1[ 64.000982] entry_SYSCALL_64_after_hwframe+0x61/0xc6 bf70 RDI: ffffffffb17cdcb0 # [ 56.467770] RBP: ffffffffb1c143[ 64.012822] RIP: 0033:0x7f9b730aa8f3 90 R08: 0000000000000001 R09: 0000000000000001 # [ 56.475741][ 64.023047] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000000000[ 64.050234] RSP: 002b:00007ffcd3ad8938 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 04 # [ 56.483710] R13: ffffae2c414a7f10 R14: ffffae2c414a7f10[ 64.064895] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f9b730aa8f3 R15: ffff8c4906459000 # [ 56.491680] FS: 00007fbac27a6580(0[ 64.079089] RDX: 0000000000000016 RSI: 00007f9b72f9d000 RDI: 0000000000000001 000) GS:ffff8c497ad80000(0000) knlGS:0000000000000000 # [ 56.[ 64.093256] RBP: 00007f9b72f9d000 R08: 00007f9b72f9c010 R09: 0000000000000000 500718] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ [ 64.107427] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 56.507132] CR2: 00007fbac27d5000 CR3: 0000000105408003 CR4: 000[ 64.121649] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 00000003706e0 # [ 56.515104] BUG: sleeping function called fr[ 64.135858] irq event stamp: 0 om invalid context at include/linux/percpu-rwsem.h:49 # [ 56.[ 64.145453] hardirqs last enabled at (0): [<0000000000000000>] 0x0 525008] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1[ 64.158695] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 817, name: cat # [ 56.533465] INFO: lockdep is turned off. #[ 64.174018] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 56.537840] irq event stamp: 0 # [ 56.541245] hardirqs la[ 64.189416] softirqs last disabled at (0): [<0000000000000000>] 0x0 st enabled at (0): [<0000000000000000>] 0x0 # [ 56.548244] h[ 64.202663] ---[ end trace 3cde216e32c10bf8 ]--- ardirqs last disabled at (0): [] copy_process+[ 64.214037] lkdtm: Negative detected: saturated 0x640/0x1c80 # [ 56.557370] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 56.566504] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 56.573504] CPU: 3 PID: 1817 Comm: cat Tainted: G D W 5.10.158-cip22 #1 # [ 56.582153] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 56.588957] Call Trace: # [ 56.591684] dump_stack+0x77/0x9b # [ 56.595383] ___might_sleep.cold+0xa6/0xb6 # [ 56.599954] exit_signals+0x1c/0x2e0 # [ 56.603943] do_exit+0xd5/0xb00 # [ 56.607438] ? ksys_write+0x68/0xf0 # [ 56.611321] rewind_stack_do_exit+0x17/0x20 # [ 56.615980] RIP: 0033:0x7fbac26bc8f3 # [ 56.619967] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 56.640950] RSP: 002b:00007ffe38de7b58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 56.649407] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 00007fbac26bc8f3 # [ 56.657378] RDX: 000000000000000f RSI: 00007fbac25af000 RDI: 0000000000000[ 64.335962] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE [ 64.344790] lkdtm: attempting bad refcount_dec_and_test() below zero [ 64.351901] ------------[ cut here ]------------ [ 64.357068] refcount_t: underflow; use-after-free. [ 64.362437] WARNING: CPU: 2 PID: 2261 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 [ 64.371877] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 001 # [ 56.665348] RBP: 00007fbac25af000 R08: 00007fbac25ae01[ 64.398330] CPU: 2 PID: 2261 Comm: cat Tainted: G D W 5.10.158-cip22 #1 0 R09: 0000000000000000 # [ 56.673318] R10: fffffffffffffbc5 [ 64.413197] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 R11: 0000000000000246 R12: 0000000000000001 # [ 56.681288] R1[ 64.426222] RIP: 0010:refcount_warn_saturate+0xba/0x110 3: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 64.438280] Code: 01 01 e8 f3 85 98 00 0f 0b c3 cc cc cc cc 80 3d c4 3a 94 01 00 75 85 48 c7 c7 58 48 b5 b1 c6 05 b4 3a 94 01 01 e8 d0 85 98 00 <0f> 0b c3 cc cc cc cc 80 3d 9f 3a 94 01 00 0f 85 5e ff ff ff 48 c7 [ 64.465477] RSP: 0018:ffffae2c42a77e40 EFLAGS: 00010286 [ 64.471314] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 [ 64.479309] RDX: ffff8c497ad2c660 RSI: ffff8c497ad1bf70 RDI: ffff8c497ad1bf70 # EXEC_USERSPACE: saw 'call trace:': ok ok 35 selftests: lkdtm[ 64.487292] RBP: ffffffffb1bb8b90 R08: 0000000000000000 R09: 0000000000000000 [ 64.501474] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 64.509450] R13: ffffae2c42a77f10 R14: ffffae2c42a77f10 R15: ffff8c4904d75000 [ 64.517421] FS: 00007f6a2dada580(0000) GS:ffff8c497ad00000(0000) knlGS:0000000000000000 [ 64.526463] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 64.532881] CR2: 00007f6a2d8e3000 CR3: 00000001031e0002 CR4: 00000000003706e0 [ 64.540855] Call Trace: [ 64.543587] __refcount_sub_and_test.constprop.0+0x3c/0x50 [ 64.549722] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 [ 64.555949] direct_entry.cold+0x2c/0x38 [ 64.560354] full_proxy_write+0x53/0x80 [ 64.564663] vfs_write+0xe7/0x3a0 : EXEC_USERSPACE.sh # selftests: lkdtm: EXEC_NULL.sh # Killed [ 64.568365] ksys_write+0x68/0xf0 [ 64.578283] do_syscall_64+0x30/0x40 [ 64.582299] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 64.587943] RIP: 0033:0x7f6a2d9f08f3 [ 64.591934] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 64.612918] RSP: 002b:00007fffd4cb2f08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 64.621378] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f6a2d9f08f3 [ 64.629350] RDX: 000000000000001f RSI: 00007f6a2d8e3000 RDI: 0000000000000001 [ 64.637324] RBP: 00007f6a2d8e3000 R08: 00007f6a2d8e2010 R09: 0000000000000000 [ 64.645298] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 64.653270] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 64.661248] irq event stamp: 0 # [ 56.798076] lkdtm: Performing direct entry EXEC_NULL # [ [ 64.664682] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 64.677897] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 64.687038] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 56.806731] lkdtm: attempting ok execution at ffffffffb0ae03e0 [ 64.696179] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 64.709398] ---[ end trace 3cde216e32c10bf9 ]--- # [ 56.819470] lkdtm: attempting bad execution at 00000000000[ 64.714556] lkdtm: Negative detected: saturated 00000 # [ 56.832322] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 56.846274] #PF: supervisor instruction fetch in kernel mode # [ 56.852593] #PF: error_code(0x0010) - not-present page # [ 56.858329] PGD 0 P4D 0 # [ 56.861153] Oops: 0010 [#11] SMP PTI # [ 56.865141] CPU: 0 PID: 1853 Comm: cat Tainted: G D W 5.10.158-cip22 #1 # [ 56.873790] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 56.880611] RIP: 0010:0x0 # [ 56.883539] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. # [ 56.891217] RSP: 0018:ffffae2c42597e48 EFLAGS: 00010246 # [ 56.897050] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 56.905021] RDX: 0000000000000000 RSI: ffff8c497ac1bf70 RDI: ffff8c497ac1bf70 # [ 56.912990] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 # [ 56.920961] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 56.928931] R13: ffffae2c42597f10 R14: ffffae2c42597f10 R15: ffff8c49030b5000 # [ 56.936903] FS: 00007f784e238580(0000) GS:ffff8c497ac00000(0000) knlGS:0000000000000000 # [ 56[ 64.837363] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE .945935] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ [ 64.845319] lkdtm: attempting bad refcount_sub_and_test() below zero 56.952351] CR2: ffffffffffffffd6 CR3: 00000001032c0002 CR4: 00[ 64.858638] ------------[ cut here ]------------ [ 64.870008] refcount_t: underflow; use-after-free. 000000003706f0 # [ 56.960321] Call Trace: # [ 56.963050] [ 64.875390] WARNING: CPU: 1 PID: 2296 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 execute_location+0x45/0x56 # [ 56.967328] direct_entry.cold+[ 64.891002] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 0x2c/0x38 # [ 56.971706] full_proxy_write+0x53/0x80 # [ 5[ 64.923649] CPU: 1 PID: 2296 Comm: cat Tainted: G D W 5.10.158-cip22 #1 6.975987] vfs_write+0xe7/0x3a0 # [ 56.979685] ksys_write+0x[ 64.938514] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 68/0xf0 # [ 56.983375] do_syscall_64+0x30/0x40 # [ 56.987[ 64.951540] RIP: 0010:refcount_warn_saturate+0xba/0x110 356] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 56.992996][ 64.963624] Code: 01 01 e8 f3 85 98 00 0f 0b c3 cc cc cc cc 80 3d c4 3a 94 01 00 75 85 48 c7 c7 58 48 b5 b1 c6 05 b4 3a 94 01 01 e8 d0 85 98 00 <0f> 0b c3 cc cc cc cc 80 3d 9f 3a 94 01 00 0f 85 5e ff ff ff 48 c7 RIP: 0033:0x7f784e14e8f3 # [ 56.996986] Code: 8b 15 a1 25 0e[ 64.990824] RSP: 0018:ffffae2c42c57e40 EFLAGS: 00010286 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 [ 65.002878] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff[ 65.017067] RDX: ffff8c497acac660 RSI: ffff8c497ac9bf70 RDI: ffff8c497ac9bf70 ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 57.01[ 65.031254] RBP: ffffffffb1bb8bb0 R08: 0000000000000000 R09: 0000000000000000 7965] RSP: 002b:00007fffc2408298 EFLAGS: 00000246 ORIG_RAX: 0000[ 65.045444] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f 000000000001 # [ 57.026423] RAX: ffffffffffffffda RBX: 000000[ 65.059656] R13: ffffae2c42c57f10 R14: ffffae2c42c57f10 R15: ffff8c490565c000 000000000a RCX: 00007f784e14e8f3 # [ 57.034393] RDX: 00000000[ 65.073822] FS: 00007f6182dd7580(0000) GS:ffff8c497ac80000(0000) knlGS:0000000000000000 0000000a RSI: 00007f784e041000 RDI: 0000000000000001 # [ 57.0[ 65.089073] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 42364] RBP: 00007f784e041000 R08: 00007f784e040010 R09: 00000000[ 65.101706] CR2: 00007f6182be0000 CR3: 000000010641c005 CR4: 00000000003706e0 [ 65.115894] Call Trace: 00000000 # [ 57.050336] R10: fffffffffffffbc5 R11: 0000000000[ 65.118629] __refcount_sub_and_test.constprop.0+0x3c/0x50 000246 R12: 0000000000000001 # [ 57.058307] R13: 000000000000[ 65.130964] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b 0001 R14: 0000000000020000 R15: 0000000000020000 # [ 57.06628[ 65.143405] direct_entry.cold+0x2c/0x38 0] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sen[ 65.154025] full_proxy_write+0x53/0x80 sors_core industrialio_triggered_buffer kfifo_buf industrialio c[ 65.164524] vfs_write+0xe7/0x3a0 ros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cr[ 65.174437] ksys_write+0x68/0xf0 os_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_noti[ 65.184352] do_syscall_64+0x30/0x40 fy # [ 57.092724] CR2: 0000000000000000 # [ 57.096421] ---[ 65.194577] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ end trace 3cde216e32c10bed ]--- # [ 57.101577] RIP: 0010:lk[ 65.206433] RIP: 0033:0x7f6182ced8f3 dtm_BUG+0x5/0x10 # [ 57.105953] Code: 89 ff e8 5e a6 a3 ff 48[ 65.216640] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 [ 65.243843] RSP: 002b:00007ffdcbb0cea8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00[ 65.258519] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f6182ced8f3 [ 65.272739] RDX: 000000000000001f RSI: 00007f6182be0000 RDI: 0000000000000001 00 00 00 0f 1f 44 00 00 83 05 00 a6 93 02 # [ 57.126938] RSP[ 65.280713] RBP: 00007f6182be0000 R08: 00007f6182bdf010 R09: 0000000000000000 : 0018:ffffae2c414a7e60 EFLAGS: 00010282 # [ 57.132761] RAX: [ 65.294898] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 ffffffffb0ae0010 RBX: 0000000000000001 RCX: 0000000000000000 # [ 65.309084] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 57.140731] RDX: 0000000000000000 RSI: ffff8c497ad1bf70 RDI: [ 65.323279] irq event stamp: 0 ffffffffb17cdcb0 # [ 57.148703] RBP: ffffffffb1c14390 R08: 00[ 65.332896] hardirqs last enabled at (0): [<0000000000000000>] 0x0 00000000000001 R09: 0000000000000001 # [ 57.156674] R10: 0000[ 65.346113] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 0000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ [ 65.361465] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 57.164643] R13: ffffae2c414a7f10 R14: ffffae2c414a7f10 R15: ffff[ 65.376815] softirqs last disabled at (0): [<0000000000000000>] 0x0 8c4906459000 # [ 57.172614] FS: 00007f784e238580(0000) GS:ff[ 65.390030] ---[ end trace 3cde216e32c10bfa ]--- ff8c497ac00000(0000) knlGS:0000000000000000 # [ 57.181653] CS[ 65.401400] lkdtm: Negative detected: saturated : 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.188070] CR2: ffffffffffffffd6 CR3: 00000001032c0002 CR4: 00000000003706f0 # EXEC_NULL: saw 'call trace:': ok ok 36 selftests: lkdtm: EXEC_NULL.sh # selftests: lkdtm: ACCESS_USERSPACE.sh # Killed # [ 57.340210] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 57.351464] lkdtm: attempting bad read at 00007fd73afee000 # [ 57.357604] BUG: unable to handle page fault for address: 00007fd73afee000 # [ 57.371490] #PF: supervisor read access in kernel mode # [ 57.377229] #PF: error_code(0x0001) - permissions violation # [ 57.383453] PGD 80000001032b2067 P4D 80000001032b2067 PUD 1056e1067 PMD 103b0c067 PTE 115676067 # [ 57.399394] Oops: 0001 [#12] SMP PTI # [ 57.403383] CPU: 3 PID: 1888 Comm: cat Tainted: G D W 5.10.158-cip22 #1 # [ 57.412025] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 57.418833] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 # [ 57.425055] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 d8 9d bb b1 e8 6c 99 fd ff 48 c7 c7 00 9e bb b1 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 53 [ 65.523780] lkdtm: Performing direct entry REFCOUNT_INC_ZERO [ 65.530873] lkdtm: attempting safe refcount_inc_not_zero() from zero [ 65.538034] lkdtm: Good: zero detected 99 fd ff 48 89 ee 48 c7 c7 28 9e bb # [ 57.446043] RSP: 0018:[ 65.542228] lkdtm: Correctly stayed at zero ffffae2c425f7e48 EFLAGS: 00010246 # [ 57.451878] RAX: 0000000[ 65.553108] lkdtm: attempting bad refcount_inc() from zero [ 65.565455] ------------[ cut here ]------------ [ 65.570629] refcount_t: addition on 0; use-after-free. 0c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 # [ 57.[ 65.576386] WARNING: CPU: 2 PID: 2328 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 [ 65.592020] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 459850] RDX: 0000000000000000 RSI: ffff8c497ad9bf70 RDI: fffffff[ 65.618480] CPU: 2 PID: 2328 Comm: cat Tainted: G D W 5.10.158-cip22 #1 [ 65.633340] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 65.640174] RIP: 0010:refcount_warn_saturate+0x74/0x110 [ 65.646013] Code: 01 01 e8 39 86 98 00 0f 0b c3 cc cc cc cc 80 3d 0b 3b 94 01 00 75 cb 48 c7 c7 28 48 b5 b1 c6 05 fb 3a 94 01 01 e8 16 86 98 00 <0f> 0b c3 cc cc cc cc 80 3d ea 3a 94 01 00 75 a8 48 c7 c7 00 48 b5 [ 65.667004] RSP: 0018:ffffae2c42cafe48 EFLAGS: 00010286 [ 65.672843] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 [ 65.680816] RDX: ffff8c497ad2c660 RSI: ffff8c497ad1bf70 RDI: ffff8c497ad1bf70 [ 65.688787] RBP: ffffffffb1bb8f51 R08: 0000000000000000 R09: 0000000000000000 [ 65.696758] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 65.704730] R13: ffffae2c42caff10 R14: ffffae2c42caff10 R15: ffff8c4903178000 [ 65.712703] FS: 00007f1674094580(0000) GS:ffff8c497ad00000(0000) knlGS:0000000000000000 [ 65.721745] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 65.728163] CR2: 00007f1673e9d000 CR3: 00000001031b8001 CR4: 00000000003706e0 [ 65.736134] Call Trace: [ 65.738867] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 [ 65.743860] direct_entry.cold+0x2c/0x38 [ 65.748267] full_proxy_write+0x53/0x80 fb1bb9e00 # [ 57.467821] RBP: 00007fd73afee000 R08: 000000000[ 65.752576] vfs_write+0xe7/0x3a0 [ 65.762491] ksys_write+0x68/0xf0 [ 65.766193] do_syscall_64+0x30/0x40 [ 65.770186] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 65.775829] RIP: 0033:0x7f1673faa8f3 [ 65.779820] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 65.800805] RSP: 002b:00007ffdade03d28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 65.809263] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f1673faa8f3 0000000 R09: 0000000000000000 # [ 57.475792] R10: 00000000fff[ 65.817238] RDX: 0000000000000012 RSI: 00007f1673e9d000 RDI: 0000000000000001 [ 65.831426] RBP: 00007f1673e9d000 R08: 00007f1673e9c010 R09: 0000000000000000 fe000 R11: 3fffffffffffffff R12: 0000000000000011 # [ 57.4837[ 65.839399] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 65.853584] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 63] R13: ffffae2c425f7f10 R14: ffffae2c425f7f10 R15: ffff8c49026[ 65.861579] irq event stamp: 0 [ 65.871198] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 65.878201] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 65.887339] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 65.896481] softirqs last disabled at (0): [<0000000000000000>] 0x0 ca000 # [ 57.491733] FS: 00007fd73afbf580(0000) GS:ffff8c497[ 65.903483] ---[ end trace 3cde216e32c10bfb ]--- [ 65.914851] lkdtm: Zero detected: saturated ad80000(0000) knlGS:0000000000000000 # [ 57.500773] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.507188] CR2: 00007fd73afee000 CR3: 0000000104eae001 CR4: 00000000003706e0 # [ 57.515159] Call Trace: # [ 57.517887] direct_entry.cold+0x2c/0x38 # [ 57.522266] full_proxy_write+0x53/0x80 # [ 57.526565] vfs_write+0xe7/0x3a0 # [ 57.530262] ksys_write+0x68/0xf0 # [ 57.540174] do_syscall_64+0x30/0x40 # [ 57.544162] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 57.549801] RIP: 0033:0x7fd73aed58f3 # [ 57.553788] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 57.574774] RSP: 002b:00007ffd0762f968 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 57.583229] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007fd73aed58f3 # [ 57.591199] RDX: 0000000000000011 RSI: 00007fd73adc8000 RDI: 0000000000000001 # [ 57.599170] RBP: 00007fd73adc8000 R08: 00007fd73adc7010 R09: 0000000000000000 # [ 57.607139] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 57.615110] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 57.62308[ 66.038223] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO 3] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sen[ 66.050200] lkdtm: attempting safe refcount_add_not_zero() from zero sors_core industrialio_triggered_buffer kfifo_buf industrialio c[ 66.063560] lkdtm: Good: zero detected ros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cr[ 66.073941] lkdtm: Correctly stayed at zero os_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_noti[ 66.084824] lkdtm: attempting bad refcount_add() from zero fy # [ 57.649543] CR2: 00007fd73afee000 # [ 57.659456] ---[ 66.097167] ------------[ cut here ]------------ [ end trace 3cde216e32c10bee ]--- # [ 57.664603] RIP: 0010:lk[ 66.108558] refcount_t: addition on 0; use-after-free. dtm_BUG+0x5/0x10 # [ 57.669001] Code: 89 ff e8 5e a6 a3 ff 48[ 66.120523] WARNING: CPU: 0 PID: 2360 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 [ 66.136175] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev 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 00[ 66.168872] CPU: 0 PID: 2360 Comm: cat Tainted: G D W 5.10.158-cip22 #1 00 00 00 0f 1f 44 00 00 83 05 00 a6 93 02 # [ 57.689985] RSP[ 66.183747] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 : 0018:ffffae2c414a7e60 EFLAGS: 00010282 # [ 57.695818] RAX: [ 66.196767] RIP: 0010:refcount_warn_saturate+0x74/0x110 ffffffffb0ae0010 RBX: 0000000000000001 RCX: 0000000000000000 # [ 66.208815] Code: 01 01 e8 39 86 98 00 0f 0b c3 cc cc cc cc 80 3d 0b 3b 94 01 00 75 cb 48 c7 c7 28 48 b5 b1 c6 05 fb 3a 94 01 01 e8 16 86 98 00 <0f> 0b c3 cc cc cc cc 80 3d ea 3a 94 01 00 75 a8 48 c7 c7 00 48 b5 [ 57.703788] RDX: 0000000000000000 RSI: ffff8c497ad1bf70 RDI: [ 66.235987] RSP: 0018:ffffae2c42d5fe48 EFLAGS: 00010286 ffffffffb17cdcb0 # [ 57.711759] RBP: ffffffffb1c14390 R08: 00[ 66.248064] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 00000000000001 R09: 0000000000000001 # [ 57.719729] R10: 0000[ 66.262217] RDX: ffff8c497ac2c660 RSI: ffff8c497ac1bf70 RDI: ffff8c497ac1bf70 0000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ [ 66.276417] RBP: ffffffffb1bb8f63 R08: 0000000000000000 R09: 0000000000000000 57.727698] R13: ffffae2c414a7f10 R14: ffffae2c414a7f10 R15: ffff[ 66.290622] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 8c4906459000 # [ 57.735668] FS: 00007fd73afbf580(0000) GS:ff[ 66.304812] R13: ffffae2c42d5ff10 R14: ffffae2c42d5ff10 R15: ffff8c4905586000 ff8c497ad80000(0000) knlGS:0000000000000000 # [ 57.744706] CS[ 66.318978] FS: 00007fc6a095f580(0000) GS:ffff8c497ac00000(0000) knlGS:0000000000000000 : 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.751120[ 66.334247] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 ] CR2: 00007fd73afee000 CR3: 0000000104eae001 CR4: 0000000000370[ 66.346866] CR2: 00007fc6a0768000 CR3: 0000000103220006 CR4: 00000000003706f0 6e0 # [ 57.759090] BUG: sleeping function called from invalid[ 66.361069] Call Trace: context at include/linux/percpu-rwsem.h:49 # [ 57.769001] in[ 66.369998] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 _atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1888, name:[ 66.381184] direct_entry.cold+0x2c/0x38 cat # [ 57.777456] INFO: lockdep is turned off. # [ 57.78[ 66.391764] full_proxy_write+0x53/0x80 1833] irq event stamp: 0 # [ 57.785237] hardirqs last enable[ 66.402285] vfs_write+0xe7/0x3a0 d at (0): [<0000000000000000>] 0x0 # [ 57.792236] hardirqs la[ 66.412192] ksys_write+0x68/0xf0 st disabled at (0): [] copy_process+0x640/0x1c[ 66.422120] do_syscall_64+0x30/0x40 80 # [ 57.801363] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 57.810499] softirqs la[ 66.444178] RIP: 0033:0x7fc6a08758f3 st disabled at (0): [<0000000000000000>] 0x0 # [ 57.817499] C[ 66.454386] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 PU: 3 PID: 1888 Comm: cat Tainted: G D W 5.10.158-c[ 66.481618] RSP: 002b:00007fff17f914c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 ip22 #1 # [ 57.826148] Hardware name: Google Rammus/Rammus, B[ 66.496291] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fc6a08758f3 IOS 09/04/2020 # [ 57.832953] Call Trace: # [ 57.835680] [ 66.510488] RDX: 0000000000000012 RSI: 00007fc6a0768000 RDI: 0000000000000001 dump_stack+0x77/0x9b # [ 57.839370] ___might_sleep.cold+0xa[ 66.524697] RBP: 00007fc6a0768000 R08: 00007fc6a0767010 R09: 0000000000000000 6/0xb6 # [ 57.843933] exit_signals+0x1c/0x2e0 # [ 57.8479[ 66.538891] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 14] do_exit+0xd5/0xb00 # [ 57.851418] ? ksys_write+0x68/0xf[ 66.553058] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0 # [ 57.855303] rewind_stack_do_exit+0x17/0x20 # [ 57.85[ 66.567282] irq event stamp: 0 9971] RIP: 0033:0x7fd73aed58f3 # [ 57.863958] Code: 8b 15 a1 [ 66.576903] hardirqs last enabled at (0): [<0000000000000000>] 0x0 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8[ 66.590143] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 [ 66.605503] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ [ 66.620879] softirqs last disabled at (0): [<0000000000000000>] 0x0 57.884946] RSP: 002b:00007ffd0762f968 EFLAGS: 00000246 ORIG_RAX:[ 66.634105] ---[ end trace 3cde216e32c10bfc ]--- 0000000000000001 # [ 57.893402] RAX: ffffffffffffffda RBX: 0[ 66.645495] lkdtm: Zero detected: saturated 000000000000011 RCX: 00007fd73aed58f3 # [ 57.901373] RDX: 0000000000000011 RSI: 00007fd73adc8000 RDI: 0000000000000001 # [ 57.909343] RBP: 00007fd73adc8000 R08: 00007fd73adc7010 R09: 0000000000000000 # [ 57.917313] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 57.925282] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # ACCESS_USERSPACE: saw 'call trace:': ok ok 37 selftests: lkdtm: ACCESS_USERSPACE.sh # selftests: lkdtm: ACCESS_NULL.sh # Killed # [ 58.048817] lkdtm: Performing direct entry ACCESS_NULL # [ 58.057124] lkdtm: attempting bad read at 0000000000000000 # [ 58.069496] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 58.083463] #PF: supervisor read access in kernel mode # [ 58.089201] #PF: error_code(0x0000) - not-present page # [ 58.094938] PGD 0 P4D 0 # [ 58.097766] Oops: 0000 [#13] SMP PTI # [ 58.107969] CPU: 1 PID: 1923 Comm: cat Tainted: G D W 5.10.158-cip22 #1 # [ 58.116624] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 58.129647] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 # [ 58.134900] Code: 10 99 fd ff be 00 10 00 00 48 89 ef e8 95 80 39 ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 d8 9d bb b1 e8 ea 98 fd ff[ 66.777838] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 00 9e bb b1 4[ 66.787612] lkdtm: attempting bad refcount_inc() from saturated 8 01 # [ 58.162102] RSP: 0018:ffffae2c42547e58 EFLAGS: 000102[ 66.800454] ------------[ cut here ]------------ 46 # [ 58.167937] RAX: 000000000000002e RBX: 0000000000000027[ 66.811813] refcount_t: saturated; leaking memory. RCX: 0000000000000000 # [ 58.175906] RDX: 0000000000000000 R[ 66.823383] WARNING: CPU: 0 PID: 2395 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 SI: ffff8c497ac9bf70 RDI: ffff8c497ac9bf70 # [ 58.183876] RBP[ 66.839077] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify : ffffffffb1bb8ec9 R08: 0000000000000000 R09: 0000000000000000 [ 66.871683] CPU: 0 PID: 2395 Comm: cat Tainted: G D W 5.10.158-cip22 #1 # [ 58.191844] R10: 00000000ffffe000 R11: 3fffffffffffffff R12[ 66.886636] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 : 000000000000000c # [ 58.199812] R13: ffffae2c42547f10 R14: [ 66.899658] RIP: 0010:refcount_warn_saturate+0x51/0x110 ffffae2c42547f10 R15: ffff8c4904d57000 # [ 58.207783] FS: 00[ 66.911691] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 2f 3b 94 01 00 75 ee 48 c7 c7 00 48 b5 b1 c6 05 1f 3b 94 01 01 e8 39 86 98 00 <0f> 0b c3 cc cc cc cc 80 3d 0b 3b 94 01 00 75 cb 48 c7 c7 28 48 b5 007f6bb3b10580(0000) GS:ffff8c497ac80000(0000) knlGS:00000000000[ 66.938868] RSP: 0018:ffffae2c42df7e48 EFLAGS: 00010286 00000 # [ 58.216820] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000[ 66.950949] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 080050033 # [ 58.223236] CR2: 0000000000000000 CR3: 000000010[ 66.965138] RDX: ffff8c497ac2c660 RSI: ffff8c497ac1bf70 RDI: ffff8c497ac1bf70 3220001 CR4: 00000000003706e0 # [ 58.231205] Call Trace: # [[ 66.979308] RBP: ffffffffb1bb8f75 R08: 0000000000000000 R09: 0000000000000000 58.233933] direct_entry.cold+0x2c/0x38 # [ 58.238315] fu[ 66.993517] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 ll_proxy_write+0x53/0x80 # [ 58.248810] vfs_write+0xe7/0x3a0[ 67.007712] R13: ffffae2c42df7f10 R14: ffffae2c42df7f10 R15: ffff8c4903328000 # [ 58.252509] ksys_write+0x68/0xf0 # [ 58.262422] do_s[ 67.021886] FS: 00007fd1b2cb7580(0000) GS:ffff8c497ac00000(0000) knlGS:0000000000000000 yscall_64+0x30/0x40 # [ 58.266411] entry_SYSCALL_64_after_hw[ 67.037137] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 frame+0x61/0xc6 # [ 58.272051] RIP: 0033:0x7f6bb3a268f3 # [ [ 67.049779] CR2: 00007fd1b2ac0000 CR3: 0000000103d00003 CR4: 00000000003706f0 58.276039] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff [ 67.063983] Call Trace: ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 0[ 67.072939] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 1 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 [ 67.084634] direct_entry.cold+0x2c/0x38 ec 28 48 89 54 24 18 # [ 58.297025] RSP: 002b:00007fffbbf33bd[ 67.095225] full_proxy_write+0x53/0x80 8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 58.305481] [ 67.105776] vfs_write+0xe7/0x3a0 RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f6bb3a268f[ 67.115644] ksys_write+0x68/0xf0 3 # [ 58.313448] RDX: 000000000000000c RSI: 00007f6bb3919000 [ 67.125579] do_syscall_64+0x30/0x40 RDI: 0000000000000001 # [ 58.321416] RBP: 00007f6bb3919000 R0[ 67.135782] entry_SYSCALL_64_after_hwframe+0x61/0xc6 8: 00007f6bb3918010 R09: 0000000000000000 # [ 58.329385] R10:[ 67.147643] RIP: 0033:0x7fd1b2bcd8f3 fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 #[ 67.157852] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 58.337353] R13: 0000000000000001 R14: 0000000000020000 R15:[ 67.185076] RSP: 002b:00007ffe6ae04018 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 0000000000020000 # [ 58.345326] Modules linked in: fuse ip_t[ 67.199740] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fd1b2bcd8f3 ables cros_ec_sensors cros_ec_sensors_core industrialio_triggere[ 67.213930] RDX: 0000000000000017 RSI: 00007fd1b2ac0000 RDI: 0000000000000001 d_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs[ 67.228129] RBP: 00007fd1b2ac0000 R08: 00007fd1b2abf010 R09: 0000000000000000 cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_th[ 67.242331] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 ermal cros_ec_dev cros_usbpd_notify # [ 58.377965] CR2: 00000[ 67.256526] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 00000000000 # [ 58.381663] ---[ end trace 3cde216e32c10bef ]-[ 67.270725] irq event stamp: 0 -- # [ 58.386818] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 58.3911[ 67.280342] hardirqs last enabled at (0): [<0000000000000000>] 0x0 94] Code: 89 ff e8 5e a6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 [ 67.293583] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 4[ 67.308931] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 4 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 [ 67.324306] softirqs last disabled at (0): [<0000000000000000>] 0x0 00 a6 93 02 # [ 58.412180] RSP: 0018:ffffae2c414a7e60 EFLAGS:[ 67.337504] ---[ end trace 3cde216e32c10bfd ]--- 00010282 # [ 58.418013] RAX: ffffffffb0ae0010 RBX: 000000000[ 67.348869] lkdtm: Saturation detected: still saturated 0000001 RCX: 0000000000000000 # [ 58.425981] RDX: 0000000000000000 RSI: ffff8c497ad1bf70 RDI: ffffffffb17cdcb0 # [ 58.433952] RBP: ffffffffb1c14390 R08: 0000000000000001 R09: 0000000000000001 # [ 58.441921] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 58.449891] R13: ffffae2c414a7f10 R14: ffffae2c414a7f10 R15: ffff8c4906459000 # [ 58.457861] FS: 00007f6bb3b10580(0000) GS:ffff8c497ac80000(0000) knlGS:0000000000000000 # [ 58.466899] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 58.473314] CR2: 0000000000000000 CR3: 0000000103220001 CR4: 00000000003706e0 # ACCESS_NULL: saw 'call trace:': ok ok 38 selftests: lkdtm: ACCESS_NULL.sh # selftests: lkdtm: WRITE_RO.sh # Killed # [ 58.582142] lkdtm: Performing direct entry WRITE_RO # [ 58.592407] lkdtm: attempting bad rodata write at ffffffffb17ce130 # [ 58.599346] BUG: unable to handle page fault for address: ffffffffb17ce130 # [ 58.613229] #PF: supervisor write access in kernel mode # [ 58.619063] #PF: error_code(0x0003) - permissions violation # [ 58.625277] PGD 2fe29067 P4D 2fe29067 PUD 2fe2a063 PMD 800000002f6000e1 # [ 58.632764] Oops: 0003 [#14] SMP PTI # [ 58.642966] CP[ 67.477588] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED U: 3 PID: 1958 Comm: cat Tainted: G D W 5.10.158-ci[ 67.485959] lkdtm: attempting bad refcount_dec() from saturated p22 #1 # [ 58.651626] Hardware name: Google Rammus/Rammus, BI[ 67.498789] ------------[ cut here ]------------ [ 67.510156] refcount_t: decrement hit 0; leaking memory. OS 09/04/2020 # [ 58.658432] RIP: 0010:lkdtm_WRITE_RO+0x2e/0[ 67.516124] WARNING: CPU: 1 PID: 2430 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 x3a # [ 58.663391] Code: 00 48 c7 c7 b8 9c bb b1 48 c7 c6 30 [ 67.531734] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify e1 7c b1 e8 94 9b fd ff 48 8b 05 0f eb 65 00 ba 34 12 cd ab 48 c[ 67.564379] CPU: 1 PID: 2430 Comm: cat Tainted: G D W 5.10.158-cip22 #1 7 c7 e8 9c bb b1 48 31 d0 <48> 89 05 f9 ea 65 00 e9 72 9b fd ff [ 67.579251] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 0f 1f 44 00 00 48 8b 05 e8 6c # [ 58.684374] RSP: 0018:ffffae[ 67.592272] RIP: 0010:refcount_warn_saturate+0xfb/0x110 2c4273fe60 EFLAGS: 00010202 # [ 58.690207] RAX: 000000000198b[ 67.604325] Code: b0 48 b5 b1 c6 05 8b 3a 94 01 01 e8 a9 85 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 80 48 b5 b1 c6 05 72 3a 94 01 01 e8 8f 85 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 861 RBX: 0000000000000028 RCX: 0000000000000000 # [ 58.698176[ 67.631528] RSP: 0018:ffffae2c42e8fe48 EFLAGS: 00010286 ] RDX: 00000000abcd1234 RSI: ffff8c497ad9bf70 RDI: ffffffffb1bb9[ 67.643596] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 ce8 # [ 58.706146] RBP: ffffffffb1bb8ed5 R08: 000000000000000[ 67.657788] RDX: ffff8c497acac660 RSI: ffff8c497ac9bf70 RDI: ffff8c497ac9bf70 0 R09: 0000000000000000 # [ 58.714114] R10: 00000000ffffe000 [ 67.671977] RBP: ffffffffb1bb8f8c R08: 0000000000000000 R09: 0000000000000000 R11: 3fffffffffffffff R12: 0000000000000009 # [ 58.722083] R1[ 67.686166] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 3: ffffae2c4273ff10 R14: ffffae2c4273ff10 R15: ffff8c4903e76000 [ 67.700355] R13: ffffae2c42e8ff10 R14: ffffae2c42e8ff10 R15: ffff8c49031b2000 # [ 58.730052] FS: 00007fd19b896580(0000) GS:ffff8c497ad8000[ 67.714551] FS: 00007f8107e0f580(0000) GS:ffff8c497ac80000(0000) knlGS:0000000000000000 0(0000) knlGS:0000000000000000 # [ 58.739091] CS: 0010 DS: 0[ 67.729800] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 000 ES: 0000 CR0: 0000000080050033 # [ 58.745508] CR2: ffffff[ 67.742428] CR2: 00007f8107c18000 CR3: 00000001032b8001 CR4: 00000000003706e0 ffb17ce130 CR3: 0000000103210004 CR4: 00000000003706e0 # [ 58[ 67.756618] Call Trace: .753477] Call Trace: # [ 58.756205] direct_entry.cold+0x2c/0[ 67.765566] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f x38 # [ 58.760599] full_proxy_write+0x53/0x80 # [ 58.7648[ 67.777229] direct_entry.cold+0x2c/0x38 79] vfs_write+0xe7/0x3a0 # [ 58.768577] ksys_write+0x68/0xf[ 67.787822] full_proxy_write+0x53/0x80 0 # [ 58.772276] do_syscall_64+0x30/0x40 # [ 58.776256] [ 67.798319] vfs_write+0xe7/0x3a0 entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 58.781895] RIP: [ 67.808232] ksys_write+0x68/0xf0 0033:0x7fd19b7ac8f3 # [ 58.785883] Code: 8b 15 a1 25 0e 00 f7[ 67.818148] do_syscall_64+0x30/0x40 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 [ 67.828355] entry_SYSCALL_64_after_hwframe+0x61/0xc6 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77[ 67.840211] RIP: 0033:0x7f8107d258f3 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 58.806865] [ 67.850419] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 RSP: 002b:00007fff74099fa8 EFLAGS: 00000246 ORIG_RAX: 0000000000[ 67.877616] RSP: 002b:00007fff6b99c158 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 000001 # [ 58.815319] RAX: ffffffffffffffda RBX: 000000000000[ 67.892290] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f8107d258f3 0009 RCX: 00007fd19b7ac8f3 # [ 58.823290] RDX: 00000000000000[ 67.906476] RDX: 0000000000000017 RSI: 00007f8107c18000 RDI: 0000000000000001 09 RSI: 00007fd19b69f000 RDI: 0000000000000001 # [ 58.831259][ 67.920664] RBP: 00007f8107c18000 R08: 00007f8107c17010 R09: 0000000000000000 RBP: 00007fd19b69f000 R08: 00007fd19b69e010 R09: 00000000000000[ 67.934851] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 00 # [ 58.839229] R10: fffffffffffffbc5 R11: 0000000000000246[ 67.949038] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 R12: 0000000000000001 # [ 58.847198] R13: 0000000000000001 R[ 67.963233] irq event stamp: 0 14: 0000000000020000 R15: 0000000000020000 # [ 58.855172] Mod[ 67.972850] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_c[ 67.986069] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 ore industrialio_triggered_buffer kfifo_buf industrialio cros_ec[ 68.001420] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 _lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_[ 68.016771] softirqs last disabled at (0): [<0000000000000000>] 0x0 sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 68.029988] ---[ end trace 3cde216e32c10bfe ]--- [ 58.881627] CR2: ffffffffb17ce130 # [ 58.891537] ---[ end [ 68.041359] lkdtm: Saturation detected: still saturated trace 3cde216e32c10bf0 ]--- # [ 58.896684] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 58.901060] Code: 89 ff e8 5e a6 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 00 a6 93 02 # [ 58.922048] RSP: 0018:ffffae2c414a7e60 EFLAGS: 00010282 # [ 58.927874] RAX: ffffffffb0ae0010 RBX: 0000000000000001 RCX: 0000000000000000 # [ 58.935843] RDX: 0000000000000000 RSI: ffff8c497ad1bf70 RDI: ffffffffb17cdcb0 # [ 58.943812] RBP: ffffffffb1c14390 R08: 0000000000000001 R09: 0000000000000001 # [ 58.951783] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 58.959751] R13: ffffae2c414a7f10 R14: ffffae2c414a7f10 R15: ffff8c4906459000 # [ 58.967719] FS: 00007fd19b896580(0000) GS:ffff8c497ad80000(0000) knlGS:0000000000000000 # [ 58.976758] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 58.983172] CR2: ffffffffb17ce130 CR3: 0000000103210004 CR4: 00000000003706e0 # [ 58.991142] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 59.001054] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1958, name: cat # [ 59.009512] INFO: lockdep is turned off. # [ 59.013888] irq event stamp: 0 # [ 59.017294] hardirqs last enabled at ([ 68.183354] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED [ 68.190845] lkdtm: attempting bad refcount_dec() from saturated [ 68.197472] ------------[ cut here ]------------ [ 68.202640] refcount_t: saturated; leaking memory. 0): [<0000000000000000>] 0x0 # [ 59.024292] hardirqs last dis[ 68.208009] WARNING: CPU: 2 PID: 2465 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 [ 68.223648] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 68.250125] CPU: 2 PID: 2465 Comm: cat Tainted: G D W 5.10.158-cip22 #1 abled at (0): [] copy_process+0x640/0x1c80 # [ 68.258787] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 68.271803] RIP: 0010:refcount_warn_saturate+0x51/0x110 [ 68.277639] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 2f 3b 94 01 00 75 ee 48 c7 c7 00 48 b5 b1 c6 05 1f 3b 94 01 01 e8 39 86 98 00 <0f> 0b c3 cc cc cc cc 80 3d 0b 3b 94 01 00 75 cb 48 c7 c7 28 48 b5 [ 68.298626] RSP: 0018:ffffae2c42effe48 EFLAGS: 00010286 [ 68.304465] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 [ 68.312436] RDX: ffff8c497ad2c660 RSI: ffff8c497ad1bf70 RDI: ffff8c497ad1bf70 [ 68.320406] RBP: ffffffffb1bb8fa3 R08: 0000000000000000 R09: 0000000000000000 [ 59.033427] softirqs last enabled at (0): [ 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 68.432964] RSP: 002b:00007fff91be8278 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 68.441421] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f46585cc8f3 [ 68.449392] RDX: 0000000000000017 RSI: 00007f46584bf000 RDI: 0000000000000001 [ 68.457366] RBP: 00007f46584bf000 R08: 00007f46584be010 R09: 0000000000000000 [ 68.465338] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 68.473307] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 68.481283] irq event stamp: 0 >] copy_process+0x640/0x1c80 # [ 59.042574] softirqs last dis[ 68.484724] hardirqs last enabled at (0): [<0000000000000000>] 0x0 abled at (0): [<0000000000000000>] 0x0 # [ 59.049573] CPU: 3 [ 68.497944] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 68.513299] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 68.522435] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 68.529436] ---[ end trace 3cde216e32c10bff ]--- [ 68.534592] lkdtm: Saturation detected: still saturated PID: 1958 Comm: cat Tainted: G D W 5.10.158-cip22 #1 # [ 59.058222] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 59.065024] Call Trace: # [ 59.067750] dump_stack+0x77/0x9b # [ 59.071439] ___might_sleep.cold+0xa6/0xb6 # [ 59.076001] exit_signals+0x1c/0x2e0 # [ 59.079990] do_exit+0xd5/0xb00 # [ 59.083494] ? ksys_write+0x68/0xf0 # [ 59.087387] rewind_stack_do_exit+0x17/0x20 # [ 59.092054] RIP: 0033:0x7fd19b7ac8f3 # [ 59.096042] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 59.117026] RSP: 002b:00007fff74099fa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 59.125483] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007fd19b7ac8f3 # [ 59.133446] RDX: 0000000000000009 RSI: 00007fd19b69f000 RDI: 0000000000000001 # [ 59.141415] RBP: 00007fd19b69f000 R08: 00007fd19b69e010 R09: 0000000000000000 # [ 59.149386] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 59.157355] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # WRITE_RO: saw 'call trace:': ok ok 39 selftests: lkdtm: WRITE_RO.sh # selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # Killed # [ 59.280630] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT # [ 59.290[ 68.674769] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED 178] lkdtm: attempting bad ro_after_init write at ffffffffb1c363[ 68.685079] lkdtm: attempting bad refcount_inc_not_zero() from saturated 30 # [ 59.297772] BUG: unable to handle page fault for addres[ 68.698807] ------------[ cut here ]------------ s: ffffffffb1c36330 # [ 59.305477] #PF: supervisor write acce[ 68.710168] refcount_t: saturated; leaking memory. ss in kernel mode # [ 59.317524] #PF: error_code(0x0003) - pe[ 68.721756] WARNING: CPU: 0 PID: 2497 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 rmissions violation # [ 59.323748] PGD 2fe29067 P4D 2fe29067 [ 68.737412] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify PUD 2fe2a063 PMD 104c85063 PTE 800000002fc36061 # [ 59.338720[ 68.770054] CPU: 0 PID: 2497 Comm: cat Tainted: G D W 5.10.158-cip22 #1 ] Oops: 0003 [#15] SMP PTI # [ 59.342712] CPU: 3 PID: 1993 Co[ 68.784913] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 mm: cat Tainted: G D W 5.10.158-cip22 #1 # [ 59.[ 68.797979] RIP: 0010:refcount_warn_saturate+0x97/0x110 351366] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 #[ 68.809997] Code: 01 01 e8 16 86 98 00 0f 0b c3 cc cc cc cc 80 3d ea 3a 94 01 00 75 a8 48 c7 c7 00 48 b5 b1 c6 05 da 3a 94 01 01 e8 f3 85 98 00 <0f> 0b c3 cc cc cc cc 80 3d c4 3a 94 01 00 75 85 48 c7 c7 58 48 b5 [ 59.358173] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a #[ 68.837214] RSP: 0018:ffffae2c42f57e38 EFLAGS: 00010282 [ 59.364203] Code: 9d bb b1 e9 46 9b fd ff 48 c7 c7 40 9d bb [ 68.849248] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 b1 e8 3a 9b fd ff 48 8b 05 b5 6c ac 00 ba 34 12 cd ab 48 c7 c7 e[ 68.863474] RDX: ffff8c497ac2c660 RSI: ffff8c497ac1bf70 RDI: ffff8c497ac1bf70 8 9c bb b1 48 31 d0 <48> 89 05 9f 6c ac 00 e9 18 9b fd ff 0f 1f [ 68.877629] RBP: ffffffffb1bb8bd0 R08: 0000000000000000 R09: 0000000000000000 44 00 00 41 54 48 c7 c7 # [ 59.385182] RSP: 0018:ffffae2c427c[ 68.891843] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 fe60 EFLAGS: 00010202 # [ 59.391015] RAX: 00000000fe67479e RB[ 68.906012] R13: ffffae2c42f57f10 R14: ffffae2c42f57f10 R15: ffff8c490302d000 X: 0000000000000029 RCX: 0000000000000000 # [ 59.398986] RDX:[ 68.920208] FS: 00007f265ced5580(0000) GS:ffff8c497ac00000(0000) knlGS:0000000000000000 00000000abcd1234 RSI: ffff8c497ad9bf70 RDI: ffffffffb1bb9ce8 #[ 68.935458] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.406958] RBP: ffffffffb1bb8ede R08: 0000000000000000 R09:[ 68.948101] CR2: 00007f265ccde000 CR3: 0000000103014006 CR4: 00000000003706f0 0000000000000000 # [ 59.414929] R10: 00000000ffffe000 R11: 3[ 68.962284] Call Trace: fffffffffffffff R12: 0000000000000014 # [ 59.422897] R13: fff[ 68.971239] __refcount_add_not_zero.constprop.0+0x2a/0x35 fae2c427cff10 R14: ffffae2c427cff10 R15: ffff8c4903e990[ 68.983606] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 [ 68.995262] direct_entry.cold+0x2c/0x38 [ 68.999678] full_proxy_write+0x53/0x80 [ 69.004015] vfs_write+0xe7/0x3a0 [ 69.007733] ksys_write+0x68/0xf0 [ 69.011463] do_syscall_64+0x30/0x40 [ 69.015478] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 69.021175] RIP: 0033:0x7f265cdeb8f3 [ 69.025185] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 69.046204] RSP: 002b:00007ffe7f4300b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 69.054693] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f265cdeb8f3 [ 69.062721] RDX: 0000000000000020 RSI: 00007f265ccde000 RDI: 0000000000000001 [ 69.070722] RBP: 00007f265ccde000 R08: 00007f265ccdd010 R09: 0000000000000000 [ 69.078745] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 00 # [ 59.430869] FS: 00007f334dba5580(0000) GS:ffff8c497ad8[ 69.086751] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0000(0000) knlGS:0000000000000000 # [ 59.439897] CS: 0010 DS[ 69.100939] irq event stamp: 0 : 0000 ES: 0000 CR0: 0000000080050033 # [ 59.446313] CR2: fff[ 69.110558] hardirqs last enabled at (0): [<0000000000000000>] 0x0 fffffb1c36330 CR3: 0000000104cb4001 CR4: 00000000003706e0 # [ [ 69.123788] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 59.454284] Call Trace: # [ 59.457013] direct_entry.cold+0x2[ 69.139128] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 c/0x38 # [ 59.461393] full_proxy_write+0x53/0x80 # [ 59.4[ 69.154507] softirqs last disabled at (0): [<0000000000000000>] 0x0 65675] vfs_write+0xe7/0x3a0 # [ 59.469373] ksys_write+0x68/[ 69.167743] ---[ end trace 3cde216e32c10c00 ]--- 0xf0 # [ 59.473072] do_syscall_64+0x30/0x40 # [ 59.477063[ 69.179124] lkdtm: Saturation detected: still saturated ] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 59.482704] RIP: 0033:0x7f334dabb8f3 # [ 59.486691] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 59.507677] RSP: 002b:00007ffd75364228 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 59.516134] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f334dabb8f3 # [ 59.524105] RDX: 0000000000000014 RSI: 00007f334d9ae000 RDI: 0000000000000001 # [ 59.532077] RBP: 00007f334d9ae000 R08: 00007f334d9ad010 R09: 0000000000000000 # [ 59.540047] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 59.548014] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 59.555987] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 59.582441] CR2: ffffffffb1c36330 # [ 59.592352] ---[ end trace 3cde216e32c10bf1 ]--- # [ 59.597506] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 59.601883] Code: 89 ff e8 5e a6 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 00 a6 93 02 # [ 59.622867] RSP: 0[ 69.328437] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED 018:ffffae2c414a7e60 EFLAGS: 00010282 # [ 59.628701] RAX: fff[ 69.341919] lkdtm: attempting bad refcount_add_not_zero() from saturated fffffb0ae0010 RBX: 0000000000000001 RCX: 0000000000000000 # [ [ 69.355615] ------------[ cut here ]------------ [ 69.366983] refcount_t: saturated; leaking memory. 59.636670] RDX: 0000000000000000 RSI: ffff8c497ad1bf70 RDI: fff[ 69.372371] WARNING: CPU: 1 PID: 2529 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 fffffb17cdcb0 # [ 59.644639] RBP: ffffffffb1c14390 R08: 00000[ 69.387978] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 00000000001 R09: 0000000000000001 # [ 59.652621] R10: 0000000[ 69.420627] CPU: 1 PID: 2529 Comm: cat Tainted: G D W 5.10.158-cip22 #1 0ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 59.[ 69.435496] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 660592] R13: ffffae2c414a7f10 R14: ffffae2c414a7f10 R15: ffff8c4[ 69.448522] RIP: 0010:refcount_warn_saturate+0x97/0x110 906459000 # [ 59.668572] FS: 00007f334dba5580(0000) GS:ffff8[ 69.460578] Code: 01 01 e8 16 86 98 00 0f 0b c3 cc cc cc cc 80 3d ea 3a 94 01 00 75 a8 48 c7 c7 00 48 b5 b1 c6 05 da 3a 94 01 01 e8 f3 85 98 00 <0f> 0b c3 cc cc cc cc 80 3d c4 3a 94 01 00 75 85 48 c7 c7 58 48 b5 c497ad80000(0000) knlGS:0000000000000000 # [ 59.677630] CS: [ 69.487781] RSP: 0018:ffffae2c42fefe38 EFLAGS: 00010282 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 59.684045] C[ 69.499829] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 [ 69.514014] RDX: ffff8c497acac660 RSI: ffff8c497ac9bf70 RDI: ffff8c497ac9bf70 R2: ffffffffb1c36330 CR3: 0000000104cb4001 CR4: 00000000003706e0[ 69.521988] RBP: ffffffffb1bb8bf0 R08: 0000000000000000 R09: 0000000000000000 [ 69.536167] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # WRITE_RO_AFTER_INIT: saw 'call trace:': ok ok 40 selftests:[ 69.544139] R13: ffffae2c42feff10 R14: ffffae2c42feff10 R15: ffff8c4903b66000 [ 69.558319] FS: 00007f4ed612c580(0000) GS:ffff8c497ac80000(0000) knlGS:0000000000000000 lkdtm: WRITE_RO_AFTER_INIT.sh # selftests: lkdtm: WRITE_KERN.s[ 69.567361] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.579987] CR2: 00007f4ed5f35000 CR3: 000000010320a001 CR4: 00000000003706e0 h # Killed # [ 59.802668] lkdtm: Performing direct entry WRI[ 69.587960] Call Trace: TE_KERN # [ 59.809572] lkdtm: attempting bad 6877627 byte wri[ 69.596899] __refcount_add_not_zero.constprop.0+0x2a/0x35 te at ffffffffb116f59b # [ 59.823290] BUG: unable to handle p[ 69.609240] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 [ 69.621774] direct_entry.cold+0x2c/0x38 age fault for address: ffffffffb116f59b # [ 59.837177] #PF: s[ 69.626157] full_proxy_write+0x53/0x80 upervisor write access in kernel mode # [ 59.843011] #PF: err[ 69.636649] vfs_write+0xe7/0x3a0 or_code(0x0003) - permissions violation # [ 59.855451] PGD 2f[ 69.646576] ksys_write+0x68/0xf0 e29067 P4D 2fe29067 PUD 2fe2a063 PMD 2f0000e1 # [ 59.868380][ 69.656490] do_syscall_64+0x30/0x40 [ 69.666695] entry_SYSCALL_64_after_hwframe+0x61/0xc6 Oops: 0003 [#16] SMP PTI # [ 59.872368] CPU: 1 PID: 2028 Com[ 69.672337] RIP: 0033:0x7f4ed60428f3 [ 69.682535] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 m: cat Tainted: G D W 5.10.158-cip22 #1 # [ 59.8[ 69.703560] RSP: 002b:00007ffe9a07a918 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 69.718210] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f4ed60428f3 81017] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 69.726183] RDX: 0000000000000020 RSI: 00007f4ed5f35000 RDI: 0000000000000001 [ 59.887826] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e # [ 59.89[ 69.740368] RBP: 00007f4ed5f35000 R08: 00007f4ed5f34010 R09: 0000000000000000 2981] Code: 53 48 c7 c3 9b f5 16 b1 49 89 dc 48 89 da 49 81 ec e[ 69.754578] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 69.768762] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0 03 ae b0 4c 89 e6 e8 ed 9a fd ff 48 89 df 4c 89 e1 48 c7 c6 e0[ 69.776742] irq event stamp: 0 [ 69.786354] hardirqs last enabled at (0): [<0000000000000000>] 0x0 03 ae b0 a4 48 c7 c7 e8 9c bb b1 e8 d2 9a fd ff 5b 41 5c e[ 69.793359] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 69.808705] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 9 b7 fe ff ff # [ 59.920180] RSP: 0018:ffffae2c42837e50 EFLAG[ 69.817842] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 69.831050] ---[ end trace 3cde216e32c10c01 ]--- S: 00010246 # [ 59.926014] RAX: 000000000000003c RBX: fffffff[ 69.836207] lkdtm: Saturation detected: still saturated fb116f59b RCX: 000000000068f1bb # [ 59.933984] RDX: 0000000000000000 RSI: ffffffffb0ae03e0 RDI: ffffffffb116f59b # [ 59.941954] RBP: ffffffffb1bb8ef2 R08: 0000000000000000 R09: 0000000000000000 # [ 59.949923] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000068f1bb # [ 59.957893] R13: ffffae2c42837f10 R14: ffffae2c42837f10 R15: ffff8c4903b5b000 # [ 59.965864] FS: 00007f766e1a3580(0000) GS:ffff8c497ac80000(0000) knlGS:0000000000000000 # [ 59.974901] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 59.981316] CR2: ffffffffb116f59b CR3: 0000000104f80002 CR4: 00000000003706e0 # [ 59.989286] Call Trace: # [ 59.992014] direct_entry.cold+0x2c/0x38 # [ 59.996394] full_proxy_write+0x53/0x80 # [ 60.006888] vfs_write+0xe7/0x3a0 # [ 60.010588] ksys_write+0x68/0xf0 # [ 60.020498] do_syscall_64+0x30/0x40 # [ 60.024477] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 60.030108] RIP: 0033:0x7f766e0b98f3 # [ 60.034097] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 60.055071] RSP: 002b:00007ffdf669e268 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 60.063529] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f766e0b98f3 # [ 60.071491] RDX: 000000000000000b RSI: 00007f766dfac000 RDI: 0000000000000001 # [ 60.079460] RBP: 00007f766d[ 69.989860] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED fac000 R08: 00007f766dfab010 R09: 0000000000000000 # [ 60.087[ 69.999152] lkdtm: attempting bad refcount_dec_and_test() from saturated 430] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000[ 70.012883] ------------[ cut here ]------------ 000001 # [ 60.095399] R13: 0000000000000001 R14: 000000000002[ 70.024225] refcount_t: underflow; use-after-free. 0000 R15: 0000000000020000 # [ 60.103373] Modules linked in: [ 70.035823] WARNING: CPU: 1 PID: 2564 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio[ 70.051433] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify _triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_e[ 70.084099] CPU: 1 PID: 2564 Comm: cat Tainted: G D W 5.10.158-cip22 #1 c_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pk[ 70.098939] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 g_temp_thermal cros_ec_dev cros_usbpd_notify # [ 60.136015] C[ 70.111956] RIP: 0010:refcount_warn_saturate+0xba/0x110 R2: ffffffffb116f59b # [ 60.139713] ---[ end trace 3cde216e32[ 70.124008] Code: 01 01 e8 f3 85 98 00 0f 0b c3 cc cc cc cc 80 3d c4 3a 94 01 00 75 85 48 c7 c7 58 48 b5 b1 c6 05 b4 3a 94 01 01 e8 d0 85 98 00 <0f> 0b c3 cc cc cc cc 80 3d 9f 3a 94 01 00 0f 85 5e ff ff ff 48 c7 c10bf2 ]--- # [ 60.144867] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ [ 70.151201] RSP: 0018:ffffae2c4307fe40 EFLAGS: 00010286 60.149243] Code: 89 ff e8 5e a6 a3 ff 48 c7 c0 ea ff ff ff eb [ 70.163250] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c[ 70.177436] RDX: ffff8c497acac660 RSI: ffff8c497ac9bf70 RDI: ffff8c497ac9bf70 [ 70.191622] RBP: ffffffffb1bb8c10 R08: 0000000000000000 R09: 0000000000000000 9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 [ 70.199596] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 00 83 05 00 a6 93 02 # [ 60.170220] RSP: 0018:ffffae2c414a7e6[ 70.213774] R13: ffffae2c4307ff10 R14: ffffae2c4307ff10 R15: ffff8c49056c2000 [ 70.227965] FS: 00007f3281a98580(0000) GS:ffff8c497ac80000(0000) knlGS:0000000000000000 0 EFLAGS: 00010282 # [ 60.176055] RAX: ffffffffb0ae0010 RBX: [ 70.237007] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 0000000000000001 RCX: 0000000000000000 # [ 60.184025] RDX: 00[ 70.249634] CR2: 00007f32818a1000 CR3: 0000000104f80004 CR4: 00000000003706e0 [ 70.263820] Call Trace: 00000000000000 RSI: ffff8c497ad1bf70 RDI: ffffffffb17cdcb0 # [ [ 70.266578] __refcount_sub_and_test.constprop.0+0x3c/0x50 60.191993] RBP: ffffffffb1c14390 R08: 0000000000000001 R09: 00[ 70.278912] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 00000000000001 # [ 60.199965] R10: 00000000ffffe000 R11: 3fff[ 70.291449] direct_entry.cold+0x2c/0x38 ffffffffffff R12: 0000000000000004 # [ 60.207935] R13: ffffae[ 70.302045] full_proxy_write+0x53/0x80 2c414a7f10 R14: ffffae2c414a7f10 R15: ffff8c4906459000 # [ 60[ 70.312544] vfs_write+0xe7/0x3a0 .215907] FS: 00007f766e1a3580(0000) GS:ffff8c497ac80000(0000) k[ 70.322457] ksys_write+0x68/0xf0 nlGS:0000000000000000 # [ 60.224935] CS: 0010 DS: 0000 ES: 0[ 70.332371] do_syscall_64+0x30/0x40 000 CR0: 0000000080050033 # [ 60.231352] CR2: ffffffffb116f59[ 70.342580] entry_SYSCALL_64_after_hwframe+0x61/0xc6 b CR3: 0000000104f80002 CR4: 00000000003706e0 # [ 60.239322] [ 70.354428] RIP: 0033:0x7f32819ae8f3 BUG: sleeping function called from invalid context at include/li[ 70.364634] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 nux/percpu-rwsem.h:49 # [ 60.249233] in_atomic(): 0, irqs_dis[ 70.391831] RSP: 002b:00007fffe2b64d18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 abled(): 1, non_block: 0, pid: 2028, name: cat # [ 60.257687][ 70.406502] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f32819ae8f3 [ 70.420686] RDX: 0000000000000020 RSI: 00007f32818a1000 RDI: 0000000000000001 INFO: lockdep is turned off. # [ 60.262064] irq event stamp:[ 70.428658] RBP: 00007f32818a1000 R08: 00007f32818a0010 R09: 0000000000000000 0 # [ 60.265469] hardirqs last enabled at (0): [<0000000000[ 70.442839] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 70.457026] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 000000>] 0x0 # [ 60.272469] hardirqs last disabled at (0): [<[ 70.465020] irq event stamp: 0 ffffffffb0300ca0>] copy_process+0x640/0x1c80 # [ 60.281618] s[ 70.474624] hardirqs last enabled at (0): [<0000000000000000>] 0x0 oftirqs last enabled at (0): [] copy_process+[ 70.487840] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 0x640/0x1c80 # [ 60.290761] softirqs last disabled at (0): [<[ 70.503190] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 0000000000000000>] 0x0 # [ 60.297761] CPU: 1 PID: 2028 Comm: [ 70.518541] softirqs last disabled at (0): [<0000000000000000>] 0x0 cat Tainted: G D W 5.10.158-cip22 #1 # [ 60.3064[ 70.531754] ---[ end trace 3cde216e32c10c02 ]--- 10] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ [ 70.543124] lkdtm: Saturation detected: still saturated 60.313217] Call Trace: # [ 60.315944] dump_stack+0x77/0x9b # [ 60.319644] ___might_sleep.cold+0xa6/0xb6 # [ 60.324218] exit_signals+0x1c/0x2e0 # [ 60.328209] do_exit+0xd5/0xb00 # [ 60.331712] ? ksys_write+0x68/0xf0 # [ 60.335623] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 # [ 60.341068] rewind_stack_do_exit+0x17/0x20 # [ 60.345737] RIP: 0033:0x7f766e0b98f3 # [ 60.349727] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 60.370700] RSP: 002b:00007ffdf669e268 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 60.379155] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f766e0b98f3 # [ 60.387125] RDX: 000000000000000b RSI: 00007f766dfac000 RDI: 0000000000000001 # [ 60.395093] RBP: 00007f766dfac000 R08: 00007f766dfab010 R09: 0000000000000000 # [ 60.403062] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 60.411030] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # WRITE_KERN: saw 'call trace:': ok ok 41 selftests: lkdtm: WRITE_KERN.sh # selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # [ 60.535404] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 60.543847] lkdtm: attempting good refcount_inc() without overflow # [ 60.556940] lkdtm: attempting bad refcount_inc() overflow # [ 60.569213] ----------[ 70.697522] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED [ 70.705826] lkdtm: attempting bad refcount_sub_and_test() from saturated --[ cut here ]------------ # [ 60.580599] refcount_t: saturat[ 70.713315] ------------[ cut here ]------------ [ 70.724683] refcount_t: underflow; use-after-free. [ 70.730092] WARNING: CPU: 2 PID: 2599 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 ed; leaking memory. # [ 60.592198] WARNING: CPU: 0 PID: 2063 [ 70.739529] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 70.772159] CPU: 2 PID: 2599 Comm: cat Tainted: G D W 5.10.158-cip22 #1 [ 70.780834] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 70.787640] RIP: 0010:refcount_warn_saturate+0xba/0x110 [ 70.793474] Code: 01 01 e8 f3 85 98 00 0f 0b c3 cc cc cc cc 80 3d c4 3a 94 01 00 75 85 48 c7 c7 58 48 b5 b1 c6 05 b4 3a 94 01 01 e8 d0 85 98 00 <0f> 0b c3 cc cc cc cc 80 3d 9f 3a 94 01 00 0f 85 5e ff ff ff 48 c7 [ 70.814457] RSP: 0018:ffffae2c43117e40 EFLAGS: 00010286 [ 70.820293] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 [ 70.828265] RDX: ffff8c497ad2c660 RSI: ffff8c497ad1bf70 RDI: ffff8c497ad1bf70 [ 70.836238] RBP: ffffffffb1bb8c30 R08: 0000000000000000 R09: 0000000000000000 [ 70.844208] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 70.852179] R13: ffffae2c43117f10 R14: ffffae2c43117f10 R15: ffff8c4906487000 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 60[ 70.860160] FS: 00007f95bfc6d580(0000) GS:ffff8c497ad00000(0000) knlGS:0000000000000000 [ 70.875423] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.881844] CR2: 00007f95bfa76000 CR3: 0000000103188004 CR4: 00000000003706e0 [ 70.889818] Call Trace: [ 70.892568] __refcount_sub_and_test.constprop.0+0x3c/0x50 .607832] Modules linked in: fuse ip_tables cros_ec_sensors cros_[ 70.898707] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 [ 70.911234] direct_entry.cold+0x2c/0x38 [ 70.915645] full_proxy_write+0x53/0x80 [ 70.919954] vfs_write+0xe7/0x3a0 [ 70.923685] ksys_write+0x68/0xf0 [ 70.927387] do_syscall_64+0x30/0x40 [ 70.931408] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 70.937051] RIP: 0033:0x7f95bfb838f3 [ 70.941065] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 70.962051] RSP: 002b:00007ffed56c2168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 70.970539] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f95bfb838f3 ec_sensors_core industrialio_triggered_buffer kfifo_buf industri[ 70.978512] RDX: 0000000000000020 RSI: 00007f95bfa76000 RDI: 0000000000000001 alio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_char[ 70.992700] RBP: 00007f95bfa76000 R08: 00007f95bfa75010 R09: 0000000000000000 [ 71.006888] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 71.014861] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 71.022839] irq event stamp: 0 dev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbp[ 71.026275] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 71.039484] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 71.048676] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 d_notify # [ 60.640484] CPU: 0 PID: 2063 Comm: cat Tainted: G[ 71.057828] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 71.071031] ---[ end trace 3cde216e32c10c03 ]--- [ 71.076186] lkdtm: Saturation detected: still saturated D W 5.10.158-cip22 #1 # [ 60.655342] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 60.668406] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 60.680478] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 2f 3b 94 01 00 75 ee 48 c7 c7 00 48 b5 b1 c6 05 1f 3b 94 01 01 e8 39 86 98 00 <0f> 0b c3 cc cc cc cc 80 3d 0b 3b 94 01 00 75 cb 48 c7 c7 28 48 b5 # [ 60.707687] RSP: 0018:ffffae2c428dfe48 EFLAGS: 00010286 # [ 60.719781] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 # [ 60.733938] RDX: ffff8c497ac2c660 RSI: ffff8c497ac1bf70 RDI: ffff8c497ac1bf70 # [ 60.748173] RBP: ffffffffb1bb8efd R08: 0000000000000000 R09: 0000000000000000 # [ 60.762333] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 60.776535] R13: ffffae2c428dff10 R14: ffffae2c428dff10 R15: ffff8c4903fba000 # [ 60.790697] FS: 00007fda4ce29580(0000) GS:ffff8c497ac00000(0000) knlGS:0000000000000000 # [ 60.805969] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 60.818586] CR2: 00007fda4cc32000 CR3: 0000000104f58001 CR4: 00000000003706f0 # [ 60.832799] Call Trace: # [ 60.841736] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 # [ 60.853326] direct_entry.cold+0x2c/0x38 # [ 60.863910] full_proxy_write+0x53/0x80 # [ 60.874432] vfs_write+0xe7/0x3a0 # [ 60.884330] ksys_write+0x68/0xf0 # [ 60.894290] do_syscall_64+0x30/0x40 # [ 60.904465] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 60.916352] RIP: 0033:0x7fda4cd3f8f3 # [ 60.926532] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 60.953737] RSP: 002b:00007ffdc066bcf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 60.968419] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fda4cd3f8f3 # [ 60.982622] RDX: 0000000000000016 RSI: 00007fda4cc32000 RDI: 0000000000000001 # [ 60.996804] RBP: 00007fda4cc32000 R08: 00007fda4cc31010 R09: 0000000000000000 # [ 61.011028] R10: fffffff[ 71.286380] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO ffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 61.[ 71.293958] lkdtm: attempting good copy_to_user of correct size 025199] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000[ 71.306769] lkdtm: attempting bad copy_to_user of too large size 000020000 # [ 61.039421] irq event stamp: 0 # [ 61.049027] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 61.062273] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 61.077613] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 61.092992] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 61.106189] ---[ end trace 3cde216e32c10bf3 ]--- # [ 61.117587] lkdtm: Overflow detected: saturated # REFCOUNT_INC_OVERFLOW: saw 'call trace:': ok ok 42 selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh # [ 61.270367] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 61.278496] lkdtm: attempting good refcount_add() without overflow # [ 61.291622] lkdtm: attempting bad refcount_add() overflow # [ 61.303867] ------------[ cut here ]------------ # [ 61.315237] refcount_t: saturated; leaking memory. # [ 61.326834] WARNING: CPU: 1 PID: 2095 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 61.342446] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 61.375084] CPU: 1 PID: 2095 Comm: cat Tainted: G D W 5.10.158-cip22 #1 # [ 61.389952] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 61.402977] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 61.415028] Code: 84 bc 00 00 00 c3 [ 71.470233] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM cc cc cc cc 85 f6 74 46 80 3d 2f 3b 94 01 00 75 ee 48 c7 c7 00 4[ 71.481987] lkdtm: attempting good copy_from_user of correct size 8 b5 b1 c6 05 1f 3b 94 01 01 e8 39 86 98 00 <0f> 0b c3 cc cc cc [ 71.495033] lkdtm: attempting bad copy_from_user of too large size cc 80 3d 0b 3b 94 01 00 75 cb 48 c7 c7 28 48 b5 # [ 61.442231] RSP: 0018:ffffae2c42947e48 EFLAGS: 00010286 # [ 61.454286] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 # [ 61.468474] RDX: ffff8c497acac660 RSI: ffff8c497ac9bf70 RDI: ffff8c497ac9bf70 # [ 61.482665] RBP: ffffffffb1bb8f13 R08: 0000000000000000 R09: 0000000000000000 # [ 61.496879] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 61.511046] R13: ffffae2c42947f10 R14: ffffae2c42947f10 R15: ffff8c4903088000 # [ 61.525230] FS: 00007ff4a6885580(0000) GS:ffff8c497ac80000(0000) knlGS:0000000000000000 # [ 61.540486] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 61.553123] CR2: 00007ff4a668e000 CR3: 00000001030dc006 CR4: 00000000003706e0 # [ 61.567312] Call Trace: # [ 61.576263] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 # [ 61.587829] direct_entry.cold+0x2c/0x38 # [ 61.598424] full_proxy_write+0x53/0x80 # [ 61.608924] vfs_write+0xe7/0x3a0 # [ 61.618838] ksys_write+0x68/0xf0 # [ 61.628751] do_syscall_64+0x30/0x40 # [ 61.638957] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 61.650814] RIP: 0033:0x7ff4a679b8f3 # [ 61.661019] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 61.688224] RSP: 002b:00007fff6b5477a8 EFLAGS: 00000246 ORIG_RAX:[ 71.645686] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO [ 71.658255] lkdtm: attempting good copy_to_user inside whitelist [ 71.664970] lkdtm: attempting bad copy_to_user outside whitelist 0000000000000001 # [ 61.702896] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007ff4a679b8f3 # [ 61.717090] RDX: 0000000000000016 RSI: 00007ff4a668e000 RDI: 0000000000000001 # [ 61.731278] RBP: 00007ff4a668e000 R08: 00007ff4a668d010 R09: 0000000000000000 # [ 61.745466] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 61.759654] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 61.773845] irq event stamp: 0 # [ 61.783465] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 61.796683] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 61.812035] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 61.827390] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 61.840608] ---[ end trace 3cde216e32c10bf4 ]--- # [ 61.851984] lkdtm: Overflow detected: saturated # REFCOUNT_ADD_OVERFLOW: saw 'call trace:': ok ok 43 selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh # [ 61.968758] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 61.976496] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 61.983407] ------------[ cut here ]------------ # [ 61.988595] refcount_t: saturated; leaking memory. # [ 62.000178] WARNING: CPU: 3 PID: 2127 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 62.015815] Modules linke[ 71.813365] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM d in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core indust[ 71.822142] lkdtm: attempting good copy_from_user inside whitelist rialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar [ 71.835290] lkdtm: attempting bad copy_from_user outside whitelist cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 62.042283] CPU: 3 PID: 2127 Comm: cat Tainted: G D W 5.10.158-cip22 #1 # [ 62.057141] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 62.063975] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 62.069813] Code: 01 01 e8 16 86 98 00 0f 0b c3 cc cc cc cc 80 3d ea 3a 94 01 00 75 a8 48 c7 c7 00 48 b5 b1 c6 05 da 3a 94 01 01 e8 f3 85 98 00 <0f> 0b c3 cc cc cc cc 80 3d c4 3a 94 01 00 75 85 48 c7 c7 58 48 b5 # [ 62.090802] RSP: 0018:ffffae2c429c7e38 EFLAGS: 00010282 # [ 62.096639] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 62.104611] RDX: ffff8c497adac660 RSI: ffff8c497ad9bf70 RDI: ffff8c497ad9bf70 # [ 62.112585] RBP: ffffffffb1bb8b50 R08: 0000000000000000 R09: 0000000000000000 # [ 62.120575] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 62.128546] R13: ffffae2c429c7f10 R14: ffffae2c429c7f10 R15: ffff8c490641c000 # [ 62.142730] FS: 00007f6fbae0f580(0000) GS:ffff8c497ad80000(0000) knlGS:0000000000000000 # [ 62.151772] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 62.158192] CR2: 00007f6fbac18000 CR3: 000000010091a004 CR4: 00000000003706e0 # [ 62.166164] Call Trace: # [ 62.168895] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 62.175031] lkdtm_R[ 71.984291] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO [ 71.992195] lkdtm: good_stack: ffffae2c434e7e20-ffffae2c434e7e40 EFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 62.181257] direc[ 71.998934] lkdtm: bad_stack : ffffae2c434e7da8-ffffae2c434e7dc8 [ 72.011859] lkdtm: attempting good copy_to_user of local stack [ 72.018404] lkdtm: attempting bad copy_to_user of distant stack t_entry.cold+0x2c/0x38 # [ 62.185639] full_proxy_write+0x53/0x80 # [ 62.189923] vfs_write+0xe7/0x3a0 # [ 62.193626] ksys_write+0x68/0xf0 # [ 62.197328] do_syscall_64+0x30/0x40 # [ 62.201320] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 62.206963] RIP: 0033:0x7f6fbad258f3 # [ 62.210953] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 62.231940] RSP: 002b:00007fff4702dea8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 62.240399] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f6fbad258f3 # [ 62.248375] RDX: 000000000000001f RSI: 00007f6fbac18000 RDI: 0000000000000001 # [ 62.256347] RBP: 00007f6fbac18000 R08: 00007f6fbac17010 R09: 0000000000000000 # [ 62.264320] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 62.278512] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 62.286490] irq event stamp: 0 # [ 62.296108] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 62.303111] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 62.312250] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 62.321389] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 62.328393] ---[ end trace 3cde216e32c10bf5 ]--- # [ 62.333551] lkdtm: Overflow detected: saturated # REFCOUNT_INC_NOT_ZERO_OVE[ 72.168313] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM RFLOW: saw 'call trace:': ok ok 44 selftests: lkdtm: REFCOUNT_I[ 72.181300] lkdtm: good_stack: ffffae2c43597e20-ffffae2c43597e40 NC_NOT_ZERO_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_ADD_NOT_ZE[ 72.194242] lkdtm: bad_stack : ffffae2c43597da8-ffffae2c43597dc8 RO_OVERFLOW.sh # [ 62.450207] lkdtm: Performing direct entry [ 72.207194] lkdtm: attempting good copy_from_user of local stack REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 62.458154] lkdtm: attempti[ 72.220119] lkdtm: attempting bad copy_from_user of distant stack ng bad refcount_add_not_zero() overflow # [ 62.471294] ------------[ cut here ]------------ # [ 62.482662] refcount_t: saturated; leaking memory. # [ 62.494254] WARNING: CPU: 0 PID: 2159 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 62.509914] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 62.542559] CPU: 0 PID: 2159 Comm: cat Tainted: G D W 5.10.158-cip22 #1 # [ 62.557442] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 62.570500] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 62.582543] Code: 01 01 e8 16 86 98 00 0f 0b c3 cc cc cc cc 80 3d ea 3a 94 01 00 75 a8 48 c7 c7 00 48 b5 b1 c6 05 da 3a 94 01 01 e8 f3 85 98 00 <0f> 0b c3 cc cc cc cc 80 3d c4 3a 94 01 00 75 85 48 c7 c7 58 48 b5 # [ 62.609765] RSP: 0018:ffffae2c42a3fe38 EFLAGS: 00010282 # [ 62.621811] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 62.636024] RDX: ffff8c497ac2c660 RSI: ffff8c497ac1bf70 RDI: ffff8c497ac1bf70 # [ 62.650182] RBP: ffffffffb1bb8b70 R08: 0000000000000000 R09: 000000000000000[ 72.355635] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND [ 72.364106] lkdtm: good_stack: ffffae2c4363fe20-ffffae2c4363fe40 [ 72.370817] lkdtm: bad_stack : ffffae2c4363fff8-ffffae2c43640018 0 # [ 62.664403] R10: 00000000ffffe000 R11: 3fffffffffffffff [ 72.377546] lkdtm: attempting good copy_to_user of local stack [ 72.390263] lkdtm: attempting bad copy_to_user of distant stack [ 72.396909] lkdtm: copy_to_user failed, but lacked Oops R12: 000000000000001f # [ 62.678590] R13: ffffae2c42a3ff10 R14: ffffae2c42a3ff10 R15: ffff8c4903b23000 # [ 62.692775] FS: 00007f9b50458580(0000) GS:ffff8c497ac00000(0000) knlGS:0000000000000000 # [ 62.708016] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 62.720665] CR2: 00007f9b50261000 CR3: 00000001056c4004 CR4: 00000000003706f0 # [ 62.734855] Call Trace: # [ 62.743833] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 62.756159] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 62.768611] direct_entry.cold+0x2c/0x38 # [ 62.779203] full_proxy_write+0x53/0x80 # [ 62.789718] vfs_write+0xe7/0x3a0 # [ 62.799626] ksys_write+0x68/0xf0 # [ 62.809576] do_syscall_64+0x30/0x40 # [ 62.819766] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 62.831636] RIP: 0033:0x7f9b5036e8f3 # [ 62.841842] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 62.869054] RSP: 002b:00007ffcfe502c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 62.883724] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f9b5[ 72.520533] lkdtm: Performing direct entry USERCOPY_KERNEL 036e8f3 # [ 62.897929] RDX: 000000000000001f RSI: 00007f9b502[ 72.527301] lkdtm: attempting good copy_to_user from kernel rodata: ffffffffb17ce150 61000 RDI: 0000000000000001 # [ 62.912120] RBP: 00007f9b50261[ 72.542178] lkdtm: attempting bad copy_to_user from kernel text: ffffffffb04e3580 000 R08: 00007f9b50260010 R09: 0000000000000000 # [ 62.926324[ 72.556729] lkdtm: FAIL: survived bad copy_to_user() ] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 62.940511] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 62.954720] irq event stamp: 0 # [ 62.964335] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 62.977561] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 62.992914] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 63.008281] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 63.021491] ---[ end trace 3cde216e32c10bf6 ]--- # [ 63.032874] lkdtm: Overflow detected: saturated # REFCOUNT_ADD_NOT_ZERO_OVERFLOW: saw 'call trace:': ok ok 45 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_DEC_ZERO.sh # [ 63.149930] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 63.162355] lkdtm: attempting good refcount_dec() # [ 63.167642] lkdtm: attempting bad refcount_dec() to zero # [ 63.173580] ------------[ cut here ]------------ # [ 63.178744] refcount_t: decrement hit 0; leaking memory. # [ 63.190916] WARNING: CPU: 3 PID: 2191 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 63.200353] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cro[ 72.696564] lkdtm: Performing direct entry STACKLEAK_ERASING [ 72.705356] lkdtm: checking unused part of the thread stack (15928 bytes)... [ 72.713236] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) [ 72.721046] lkdtm: FAIL: the thread stack is NOT properly erased [ 72.727781] CPU: 3 PID: 2964 Comm: cat Tainted: G D W 5.10.158-cip22 #1 [ 72.736429] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 72.743223] Call Trace: [ 72.745953] dump_stack+0x77/0x9b [ 72.749682] lkdtm_STACKLEAK_ERASING+0x116/0x144 [ 72.754836] direct_entry.cold+0x2c/0x38 [ 72.759214] full_proxy_write+0x53/0x80 [ 72.763495] vfs_write+0xe7/0x3a0 [ 72.767192] ksys_write+0x68/0xf0 [ 72.770890] do_syscall_64+0x30/0x40 [ 72.774878] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 72.780508] RIP: 0033:0x7f52f4b618f3 [ 72.784495] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 72.805468] RSP: 002b:00007ffc7b534b68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 72.813922] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f52f4b618f3 [ 72.821890] RDX: 0000000000000012 RSI: 00007f52f4a54000 RDI: 0000000000000001 [ 72.829858] RBP: 00007f52f4a54000 R08: 00007f52f4a53010 R09: 0000000000000000 [ 72.837824] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 72.845792] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 s_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 63.232990] CPU: 3 PID: 2191 Comm: cat Tainted: G D W 5.10.158-cip22 #1 # [ 63.241643] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 63.248451] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 63.254289] Code: b0 48 b5 b1 c6 05 8b 3a 94 01 01 e8 a9 85 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 80 48 b5 b1 c6 05 72 3a 94 01 01 e8 8f 85 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 63.275275] RSP: 0018:ffffae2c429f7e48 EFLAGS: 00010286 # [ 63.281112] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 # [ 63.289083] RDX: ffff8c497adac660 RSI: ffff8c497ad9bf70 RDI: ffff8c497ad9bf70 # [ 63.297057] RBP: ffffffffb1bb8f29 R08: 0000000000000000 R09: 0000000000000000 # [ 63.305034] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 63.319223] R13: ffffae2c429f7f10 R14: ffffae2c429f7f10 R15: ffff8c4904b91000 # [ 63.333414] FS: 00007fe9a4753580(0000) GS:ffff8c497ad80000(0000) knlGS:0000000000000000 # [ 63.348672] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 63.355090] CR2: 00007fe9a455c000 CR3: 00000001032b2002 CR4: 00000000003706e0 # [ 63.363066] Call Trace: # [ 63.365[ 72.978360] lkdtm: Performing direct entry CFI_FORWARD_PROTO 799] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd # [ 63.370789] direc[ 72.990669] lkdtm: Calling matched prototype ... t_entry.cold+0x2c/0x38 # [ 63.381406] full_proxy_write+0x53/[ 73.002046] lkdtm: Calling mismatched prototype ... 0x80 # [ 63.385700] vfs_write+0xe7/0x3a0 # [ 63.395621] [ 73.013704] lkdtm: Fail: survived mismatched prototype function call! ksys_write+0x68/0xf0 # [ 63.399349] do_syscall_64+0x30/0x40 # [ 63.403346] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 63.408990] RIP: 0033:0x7fe9a46698f3 # [ 63.412982] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 63.433968] RSP: 002b:00007fff543cbc28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 63.442429] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fe9a46698f3 # [ 63.450406] RDX: 0000000000000012 RSI: 00007fe9a455c000 RDI: 0000000000000001 # [ 63.458382] RBP: 00007fe9a455c000 R08: 00007fe9a455b010 R09: 0000000000000000 # [ 63.466355] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 63.474328] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 63.482324] irq event stamp: 0 # [ 63.485742] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 63.498954] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 63.508116] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 63.517254] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 63.524254] ---[ end trace 3cde216e32c10bf7 ]--- # [ 63.529410] lkdtm: Zero detected: saturated # REFCOUNT_DEC_ZERO: saw 'call trace:': ok ok 46 selftests: lkdtm: REFCOUNT_DEC_ZERO.sh # selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh # [ 63.642872] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 63.652732] lkdtm: attempting bad refcount_dec() below zero # [ 63.665198] ------------[ cut here ]------------ # [ 63.676578] refcount_t: decrement hit 0; leaking memory. # [ 63.688782] WARNING: CPU: 0 PID: 2226 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 63.704375] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 63.737068] CPU: 0 PID: 2226 Comm: cat Tainted: G D W 5.10.158-cip22 #1 # [ 63.751895] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 63.764975] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 63.776997] Code: b0 48 b5 b1 c6 05 8b 3a 94 01 01 e8 a9 85 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 80 48 b5 b1 c6 05 72 3a 94 01 01 e8 8f 85 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 63.804209] RSP: 0018:ffffae2c42b27e48 EFLAGS: 00010286 # [ 63.816242] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 # [ 63.830447] RDX: ffff8c497ac2c660 RSI: ffff8c497ac1bf70 RDI: ffff8c497ac1bf70 # [ 63.844640] RBP: ffffffffb1bb8f3b R08: 0000000000000000 R09: 0000000000000000 # [ 63.858823] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 63.873018] R13: ffffae2c42b27f10 R14: ffffae2c42b27f10 R15: ffff8c4903b46000 # [ 63.887223] FS: 00007f9b73194580(0000) GS:ffff8c497ac00000(0000) knlGS:0000000000000000 # [ 63.902482] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 63.915115] CR2: 00007f9b72f9d000 CR3: 0000000104d16006 CR4: 00000000003706f0 # [ 63.929285] Call Trace: # [ 63.938269] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 # [ 63.949828] direct_entry.cold+0x2c/0x38 # [ 63.960419] full_proxy_write+0x53/0x80 # [ 63.970932] vfs_write+0xe7/0x3a0 # [ 63.980820] ksys_write+0x68/0xf0 # [ 63.990779] do_syscall_64+0x30/0x40 # [ 64.000982] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 64.012822] RIP: 0033:0x7f9b730aa8f3 # [ 64.023047] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 64.050234] RSP: 002b:00007ffcd3ad8938 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 64.064895] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f9b730aa8f3 # [ 64.079089] RDX: 0000000000000016 RSI: 00007f9b72f9d000 RDI: 0000000000000001 # [ 64.093256] RBP: 00007f9b72f9d000 R08: 00007f9b72f9c010 R09: 0000000000000000 # [ 64.107427] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 64.121649] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 64.135858] irq event stamp: 0 # [ 64.145453] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 64.158695] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 64.174018] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 64.189416] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 64.202663] ---[ end trace 3cde216e32c10bf8 ]--- # [ 64.214037] lkdtm: Negative detected: saturated # REFCOUNT_DEC_NEGATIVE: saw 'Negative detected: saturated': ok ok 47 selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh # [ 64.335962] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 64.344790] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 64.351901] ------------[ cut here ]------------ # [ 64.357068] refcount_t: underflow; use-after-free. # [ 64.362437] WARNING: CPU: 2 PID: 2261 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 64.371877] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 64.398330] CPU: 2 PID: 2261 Comm: cat Tainted: G D W 5.10.158-cip22 #1 # [ 64.413197] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 64.426222] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 64.438280] Code: 01 01 e8 f3 85 98 00 0f 0b c3 cc cc cc cc 80 3d c4 3a 94 01 00 75 85 48 c7 c7 58 48 b5 b1 c6 05 b4 3a 94 01 01 e8 d0 85 98 00 <0f> 0b c3 cc cc cc cc 80 3d 9f 3a 94 01 00 0f 85 5e ff ff ff 48 c7 # [ 64.465477] RSP: 0018:ffffae2c42a77e40 EFLAGS: 00010286 # [ 64.471314] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 # [ 64.479309] RDX: ffff8c497ad2c660 RSI: ffff8c497ad1bf70 RDI: ffff8c497ad1bf70 # [ 64.487292] RBP: ffffffffb1bb8b90 R08: 0000000000000000 R09: 0000000000000000 # [ 64.501474] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 64.509450] R13: ffffae2c42a77f10 R14: ffffae2c42a77f10 R15: ffff8c4904d75000 # [ 64.517421] FS: 00007f6a2dada580(0000) GS:ffff8c497ad00000(0000) knlGS:0000000000000000 # [ 64.526463] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 64.532881] CR2: 00007f6a2d8e3000 CR3: 00000001031e0002 CR4: 00000000003706e0 # [ 64.540855] Call Trace: # [ 64.543587] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 64.549722] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 # [ 64.555949] direct_entry.cold+0x2c/0x38 # [ 64.560354] full_proxy_write+0x53/0x80 # [ 64.564663] vfs_write+0xe7/0x3a0 # [ 64.568365] ksys_write+0x68/0xf0 # [ 64.578283] do_syscall_64+0x30/0x40 # [ 64.582299] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 64.587943] RIP: 0033:0x7f6a2d9f08f3 # [ 64.591934] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 64.612918] RSP: 002b:00007fffd4cb2f08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 64.621378] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f6a2d9f08f3 # [ 64.629350] RDX: 000000000000001f RSI: 00007f6a2d8e3000 RDI: 0000000000000001 # [ 64.637324] RBP: 00007f6a2d8e3000 R08: 00007f6a2d8e2010 R09: 0000000000000000 # [ 64.645298] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 64.653270] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 64.661248] irq event stamp: 0 # [ 64.664682] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 64.677897] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 64.687038] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 64.696179] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 64.709398] ---[ end trace 3cde216e32c10bf9 ]--- # [ 64.714556] lkdtm: Negative detected: saturated # REFCOUNT_DEC_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok ok 48 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh # [ 64.837363] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 64.845319] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 64.858638] ------------[ cut here ]------------ # [ 64.870008] refcount_t: underflow; use-after-free. # [ 64.875390] WARNING: CPU: 1 PID: 2296 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 64.891002] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 64.923649] CPU: 1 PID: 2296 Comm: cat Tainted: G D W 5.10.158-cip22 #1 # [ 64.938514] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 64.951540] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 64.963624] Code: 01 01 e8 f3 85 98 00 0f 0b c3 cc cc cc cc 80 3d c4 3a 94 01 00 75 85 48 c7 c7 58 48 b5 b1 c6 05 b4 3a 94 01 01 e8 d0 85 98 00 <0f> 0b c3 cc cc cc cc 80 3d 9f 3a 94 01 00 0f 85 5e ff ff ff 48 c7 # [ 64.990824] RSP: 0018:ffffae2c42c57e40 EFLAGS: 00010286 # [ 65.002878] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 # [ 65.017067] RDX: ffff8c497acac660 RSI: ffff8c497ac9bf70 RDI: ffff8c497ac9bf70 # [ 65.031254] RBP: ffffffffb1bb8bb0 R08: 0000000000000000 R09: 0000000000000000 # [ 65.045444] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 65.059656] R13: ffffae2c42c57f10 R14: ffffae2c42c57f10 R15: ffff8c490565c000 # [ 65.073822] FS: 00007f6182dd7580(0000) GS:ffff8c497ac80000(0000) knlGS:0000000000000000 # [ 65.089073] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 65.101706] CR2: 00007f6182be0000 CR3: 000000010641c005 CR4: 00000000003706e0 # [ 65.115894] Call Trace: # [ 65.118629] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 65.130964] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b # [ 65.143405] direct_entry.cold+0x2c/0x38 # [ 65.154025] full_proxy_write+0x53/0x80 # [ 65.164524] vfs_write+0xe7/0x3a0 # [ 65.174437] ksys_write+0x68/0xf0 # [ 65.184352] do_syscall_64+0x30/0x40 # [ 65.194577] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 65.206433] RIP: 0033:0x7f6182ced8f3 # [ 65.216640] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 65.243843] RSP: 002b:00007ffdcbb0cea8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 65.258519] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f6182ced8f3 # [ 65.272739] RDX: 000000000000001f RSI: 00007f6182be0000 RDI: 0000000000000001 # [ 65.280713] RBP: 00007f6182be0000 R08: 00007f6182bdf010 R09: 0000000000000000 # [ 65.294898] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 65.309084] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 65.323279] irq event stamp: 0 # [ 65.332896] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 65.346113] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 65.361465] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 65.376815] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 65.390030] ---[ end trace 3cde216e32c10bfa ]--- # [ 65.401400] lkdtm: Negative detected: saturated # REFCOUNT_SUB_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok ok 49 selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_INC_ZERO.sh # [ 65.523780] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 65.530873] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 65.538034] lkdtm: Good: zero detected # [ 65.542228] lkdtm: Correctly stayed at zero # [ 65.553108] lkdtm: attempting bad refcount_inc() from zero # [ 65.565455] ------------[ cut here ]------------ # [ 65.570629] refcount_t: addition on 0; use-after-free. # [ 65.576386] WARNING: CPU: 2 PID: 2328 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 65.592020] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 65.618480] CPU: 2 PID: 2328 Comm: cat Tainted: G D W 5.10.158-cip22 #1 # [ 65.633340] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 65.640174] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 65.646013] Code: 01 01 e8 39 86 98 00 0f 0b c3 cc cc cc cc 80 3d 0b 3b 94 01 00 75 cb 48 c7 c7 28 48 b5 b1 c6 05 fb 3a 94 01 01 e8 16 86 98 00 <0f> 0b c3 cc cc cc cc 80 3d ea 3a 94 01 00 75 a8 48 c7 c7 00 48 b5 # [ 65.667004] RSP: 0018:ffffae2c42cafe48 EFLAGS: 00010286 # [ 65.672843] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 # [ 65.680816] RDX: ffff8c497ad2c660 RSI: ffff8c497ad1bf70 RDI: ffff8c497ad1bf70 # [ 65.688787] RBP: ffffffffb1bb8f51 R08: 0000000000000000 R09: 0000000000000000 # [ 65.696758] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 65.704730] R13: ffffae2c42caff10 R14: ffffae2c42caff10 R15: ffff8c4903178000 # [ 65.712703] FS: 00007f1674094580(0000) GS:ffff8c497ad00000(0000) knlGS:0000000000000000 # [ 65.721745] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 65.728163] CR2: 00007f1673e9d000 CR3: 00000001031b8001 CR4: 00000000003706e0 # [ 65.736134] Call Trace: # [ 65.738867] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 # [ 65.743860] direct_entry.cold+0x2c/0x38 # [ 65.748267] full_proxy_write+0x53/0x80 # [ 65.752576] vfs_write+0xe7/0x3a0 # [ 65.762491] ksys_write+0x68/0xf0 # [ 65.766193] do_syscall_64+0x30/0x40 # [ 65.770186] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 65.775829] RIP: 0033:0x7f1673faa8f3 # [ 65.779820] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 65.800805] RSP: 002b:00007ffdade03d28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 65.809263] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f1673faa8f3 # [ 65.817238] RDX: 0000000000000012 RSI: 00007f1673e9d000 RDI: 0000000000000001 # [ 65.831426] RBP: 00007f1673e9d000 R08: 00007f1673e9c010 R09: 0000000000000000 # [ 65.839399] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 65.853584] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 65.861579] irq event stamp: 0 # [ 65.871198] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 65.878201] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 65.887339] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 65.896481] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 65.903483] ---[ end trace 3cde216e32c10bfb ]--- # [ 65.914851] lkdtm: Zero detected: saturated # REFCOUNT_INC_ZERO: saw 'call trace:': ok ok 50 selftests: lkdtm: REFCOUNT_INC_ZERO.sh # selftests: lkdtm: REFCOUNT_ADD_ZERO.sh # [ 66.038223] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 66.050200] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 66.063560] lkdtm: Good: zero detected # [ 66.073941] lkdtm: Correctly stayed at zero # [ 66.084824] lkdtm: attempting bad refcount_add() from zero # [ 66.097167] ------------[ cut here ]------------ # [ 66.108558] refcount_t: addition on 0; use-after-free. # [ 66.120523] WARNING: CPU: 0 PID: 2360 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 66.136175] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 66.168872] CPU: 0 PID: 2360 Comm: cat Tainted: G D W 5.10.158-cip22 #1 # [ 66.183747] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 66.196767] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 66.208815] Code: 01 01 e8 39 86 98 00 0f 0b c3 cc cc cc cc 80 3d 0b 3b 94 01 00 75 cb 48 c7 c7 28 48 b5 b1 c6 05 fb 3a 94 01 01 e8 16 86 98 00 <0f> 0b c3 cc cc cc cc 80 3d ea 3a 94 01 00 75 a8 48 c7 c7 00 48 b5 # [ 66.235987] RSP: 0018:ffffae2c42d5fe48 EFLAGS: 00010286 # [ 66.248064] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 # [ 66.262217] RDX: ffff8c497ac2c660 RSI: ffff8c497ac1bf70 RDI: ffff8c497ac1bf70 # [ 66.276417] RBP: ffffffffb1bb8f63 R08: 0000000000000000 R09: 0000000000000000 # [ 66.290622] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 66.304812] R13: ffffae2c42d5ff10 R14: ffffae2c42d5ff10 R15: ffff8c4905586000 # [ 66.318978] FS: 00007fc6a095f580(0000) GS:ffff8c497ac00000(0000) knlGS:0000000000000000 # [ 66.334247] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 66.346866] CR2: 00007fc6a0768000 CR3: 0000000103220006 CR4: 00000000003706f0 # [ 66.361069] Call Trace: # [ 66.369998] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 # [ 66.381184] direct_entry.cold+0x2c/0x38 # [ 66.391764] full_proxy_write+0x53/0x80 # [ 66.402285] vfs_write+0xe7/0x3a0 # [ 66.412192] ksys_write+0x68/0xf0 # [ 66.422120] do_syscall_64+0x30/0x40 # [ 66.432312] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 66.444178] RIP: 0033:0x7fc6a08758f3 # [ 66.454386] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 66.481618] RSP: 002b:00007fff17f914c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 66.496291] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fc6a08758f3 # [ 66.510488] RDX: 0000000000000012 RSI: 00007fc6a0768000 RDI: 0000000000000001 # [ 66.524697] RBP: 00007fc6a0768000 R08: 00007fc6a0767010 R09: 0000000000000000 # [ 66.538891] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 66.553058] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 66.567282] irq event stamp: 0 # [ 66.576903] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 66.590143] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 66.605503] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 66.620879] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 66.634105] ---[ end trace 3cde216e32c10bfc ]--- # [ 66.645495] lkdtm: Zero detected: saturated # REFCOUNT_ADD_ZERO: saw 'call trace:': ok ok 51 selftests: lkdtm: REFCOUNT_ADD_ZERO.sh # selftests: lkdtm: REFCOUNT_INC_SATURATED.sh # [ 66.777838] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 66.787612] lkdtm: attempting bad refcount_inc() from saturated # [ 66.800454] ------------[ cut here ]------------ # [ 66.811813] refcount_t: saturated; leaking memory. # [ 66.823383] WARNING: CPU: 0 PID: 2395 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 66.839077] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 66.871683] CPU: 0 PID: 2395 Comm: cat Tainted: G D W 5.10.158-cip22 #1 # [ 66.886636] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 66.899658] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 66.911691] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 2f 3b 94 01 00 75 ee 48 c7 c7 00 48 b5 b1 c6 05 1f 3b 94 01 01 e8 39 86 98 00 <0f> 0b c3 cc cc cc cc 80 3d 0b 3b 94 01 00 75 cb 48 c7 c7 28 48 b5 # [ 66.938868] RSP: 0018:ffffae2c42df7e48 EFLAGS: 00010286 # [ 66.950949] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 # [ 66.965138] RDX: ffff8c497ac2c660 RSI: ffff8c497ac1bf70 RDI: ffff8c497ac1bf70 # [ 66.979308] RBP: ffffffffb1bb8f75 R08: 0000000000000000 R09: 0000000000000000 # [ 66.993517] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 67.007712] R13: ffffae2c42df7f10 R14: ffffae2c42df7f10 R15: ffff8c4903328000 # [ 67.021886] FS: 00007fd1b2cb7580(0000) GS:ffff8c497ac00000(0000) knlGS:0000000000000000 # [ 67.037137] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 67.049779] CR2: 00007fd1b2ac0000 CR3: 0000000103d00003 CR4: 00000000003706f0 # [ 67.063983] Call Trace: # [ 67.072939] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 # [ 67.084634] direct_entry.cold+0x2c/0x38 # [ 67.095225] full_proxy_write+0x53/0x80 # [ 67.105776] vfs_write+0xe7/0x3a0 # [ 67.115644] ksys_write+0x68/0xf0 # [ 67.125579] do_syscall_64+0x30/0x40 # [ 67.135782] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 67.147643] RIP: 0033:0x7fd1b2bcd8f3 # [ 67.157852] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 67.185076] RSP: 002b:00007ffe6ae04018 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 67.199740] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fd1b2bcd8f3 # [ 67.213930] RDX: 0000000000000017 RSI: 00007fd1b2ac0000 RDI: 0000000000000001 # [ 67.228129] RBP: 00007fd1b2ac0000 R08: 00007fd1b2abf010 R09: 0000000000000000 # [ 67.242331] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 67.256526] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 67.270725] irq event stamp: 0 # [ 67.280342] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 67.293583] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 67.308931] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 67.324306] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 67.337504] ---[ end trace 3cde216e32c10bfd ]--- # [ 67.348869] lkdtm: Saturation detected: still saturated # REFCOUNT_INC_SATURATED: saw 'Saturation detected: still saturated': ok ok 52 selftests: lkdtm: REFCOUNT_INC_SATURATED.sh # selftests: lkdtm: REFCOUNT_DEC_SATURATED.sh # [ 67.477588] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 67.485959] lkdtm: attempting bad refcount_dec() from saturated # [ 67.498789] ------------[ cut here ]------------ # [ 67.510156] refcount_t: decrement hit 0; leaking memory. # [ 67.516124] WARNING: CPU: 1 PID: 2430 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 67.531734] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 67.564379] CPU: 1 PID: 2430 Comm: cat Tainted: G D W 5.10.158-cip22 #1 # [ 67.579251] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 67.592272] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 67.604325] Code: b0 48 b5 b1 c6 05 8b 3a 94 01 01 e8 a9 85 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 80 48 b5 b1 c6 05 72 3a 94 01 01 e8 8f 85 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 67.631528] RSP: 0018:ffffae2c42e8fe48 EFLAGS: 00010286 # [ 67.643596] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 # [ 67.657788] RDX: ffff8c497acac660 RSI: ffff8c497ac9bf70 RDI: ffff8c497ac9bf70 # [ 67.671977] RBP: ffffffffb1bb8f8c R08: 0000000000000000 R09: 0000000000000000 # [ 67.686166] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 67.700355] R13: ffffae2c42e8ff10 R14: ffffae2c42e8ff10 R15: ffff8c49031b2000 # [ 67.714551] FS: 00007f8107e0f580(0000) GS:ffff8c497ac80000(0000) knlGS:0000000000000000 # [ 67.729800] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 67.742428] CR2: 00007f8107c18000 CR3: 00000001032b8001 CR4: 00000000003706e0 # [ 67.756618] Call Trace: # [ 67.765566] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f # [ 67.777229] direct_entry.cold+0x2c/0x38 # [ 67.787822] full_proxy_write+0x53/0x80 # [ 67.798319] vfs_write+0xe7/0x3a0 # [ 67.808232] ksys_write+0x68/0xf0 # [ 67.818148] do_syscall_64+0x30/0x40 # [ 67.828355] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 67.840211] RIP: 0033:0x7f8107d258f3 # [ 67.850419] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 67.877616] RSP: 002b:00007fff6b99c158 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 67.892290] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f8107d258f3 # [ 67.906476] RDX: 0000000000000017 RSI: 00007f8107c18000 RDI: 0000000000000001 # [ 67.920664] RBP: 00007f8107c18000 R08: 00007f8107c17010 R09: 0000000000000000 # [ 67.934851] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 67.949038] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 67.963233] irq event stamp: 0 # [ 67.972850] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 67.986069] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 68.001420] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 68.016771] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 68.029988] ---[ end trace 3cde216e32c10bfe ]--- # [ 68.041359] lkdtm: Saturation detected: still saturated # REFCOUNT_DEC_SATURATED: saw 'Saturation detected: still saturated': ok ok 53 selftests: lkdtm: REFCOUNT_DEC_SATURATED.sh # selftests: lkdtm: REFCOUNT_ADD_SATURATED.sh # [ 68.183354] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 68.190845] lkdtm: attempting bad refcount_dec() from saturated # [ 68.197472] ------------[ cut here ]------------ # [ 68.202640] refcount_t: saturated; leaking memory. # [ 68.208009] WARNING: CPU: 2 PID: 2465 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 68.223648] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 68.250125] CPU: 2 PID: 2465 Comm: cat Tainted: G D W 5.10.158-cip22 #1 # [ 68.258787] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 68.271803] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 68.277639] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 2f 3b 94 01 00 75 ee 48 c7 c7 00 48 b5 b1 c6 05 1f 3b 94 01 01 e8 39 86 98 00 <0f> 0b c3 cc cc cc cc 80 3d 0b 3b 94 01 00 75 cb 48 c7 c7 28 48 b5 # [ 68.298626] RSP: 0018:ffffae2c42effe48 EFLAGS: 00010286 # [ 68.304465] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 # [ 68.312436] RDX: ffff8c497ad2c660 RSI: ffff8c497ad1bf70 RDI: ffff8c497ad1bf70 # [ 68.320406] RBP: ffffffffb1bb8fa3 R08: 0000000000000000 R09: 0000000000000000 # [ 68.328377] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 68.342578] R13: ffffae2c42efff10 R14: ffffae2c42efff10 R15: ffff8c490541a000 # [ 68.350576] FS: 00007f46586b6580(0000) GS:ffff8c497ad00000(0000) knlGS:0000000000000000 # [ 68.359624] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 68.366042] CR2: 00007f46584bf000 CR3: 0000000104c0e002 CR4: 00000000003706e0 # [ 68.374012] Call Trace: # [ 68.376744] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 # [ 68.382223] direct_entry.cold+0x2c/0x38 # [ 68.386616] full_proxy_write+0x53/0x80 # [ 68.390930] vfs_write+0xe7/0x3a0 # [ 68.394655] ksys_write+0x68/0xf0 # [ 68.398355] do_syscall_64+0x30/0x40 # [ 68.402347] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 68.407990] RIP: 0033:0x7f46585cc8f3 # [ 68.411980] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 68.432964] RSP: 002b:00007fff91be8278 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 68.441421] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f46585cc8f3 # [ 68.449392] RDX: 0000000000000017 RSI: 00007f46584bf000 RDI: 0000000000000001 # [ 68.457366] RBP: 00007f46584bf000 R08: 00007f46584be010 R09: 0000000000000000 # [ 68.465338] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 68.473307] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 68.481283] irq event stamp: 0 # [ 68.484724] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 68.497944] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 68.513299] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 68.522435] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 68.529436] ---[ end trace 3cde216e32c10bff ]--- # [ 68.534592] lkdtm: Saturation detected: still saturated # REFCOUNT_ADD_SATURATED: saw 'Saturation detected: still saturated': ok ok 54 selftests: lkdtm: REFCOUNT_ADD_SATURATED.sh # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh # [ 68.674769] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 68.685079] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 68.698807] ------------[ cut here ]------------ # [ 68.710168] refcount_t: saturated; leaking memory. # [ 68.721756] WARNING: CPU: 0 PID: 2497 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 68.737412] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 68.770054] CPU: 0 PID: 2497 Comm: cat Tainted: G D W 5.10.158-cip22 #1 # [ 68.784913] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 68.797979] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 68.809997] Code: 01 01 e8 16 86 98 00 0f 0b c3 cc cc cc cc 80 3d ea 3a 94 01 00 75 a8 48 c7 c7 00 48 b5 b1 c6 05 da 3a 94 01 01 e8 f3 85 98 00 <0f> 0b c3 cc cc cc cc 80 3d c4 3a 94 01 00 75 85 48 c7 c7 58 48 b5 # [ 68.837214] RSP: 0018:ffffae2c42f57e38 EFLAGS: 00010282 # [ 68.849248] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 68.863474] RDX: ffff8c497ac2c660 RSI: ffff8c497ac1bf70 RDI: ffff8c497ac1bf70 # [ 68.877629] RBP: ffffffffb1bb8bd0 R08: 0000000000000000 R09: 0000000000000000 # [ 68.891843] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 68.906012] R13: ffffae2c42f57f10 R14: ffffae2c42f57f10 R15: ffff8c490302d000 # [ 68.920208] FS: 00007f265ced5580(0000) GS:ffff8c497ac00000(0000) knlGS:0000000000000000 # [ 68.935458] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 68.948101] CR2: 00007f265ccde000 CR3: 0000000103014006 CR4: 00000000003706f0 # [ 68.962284] Call Trace: # [ 68.971239] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 68.983606] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 # [ 68.995262] direct_entry.cold+0x2c/0x38 # [ 68.999678] full_proxy_write+0x53/0x80 # [ 69.004015] vfs_write+0xe7/0x3a0 # [ 69.007733] ksys_write+0x68/0xf0 # [ 69.011463] do_syscall_64+0x30/0x40 # [ 69.015478] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 69.021175] RIP: 0033:0x7f265cdeb8f3 # [ 69.025185] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 69.046204] RSP: 002b:00007ffe7f4300b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 69.054693] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f265cdeb8f3 # [ 69.062721] RDX: 0000000000000020 RSI: 00007f265ccde000 RDI: 0000000000000001 # [ 69.070722] RBP: 00007f265ccde000 R08: 00007f265ccdd010 R09: 0000000000000000 # [ 69.078745] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 69.086751] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 69.100939] irq event stamp: 0 # [ 69.110558] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 69.123788] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 69.139128] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 69.154507] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 69.167743] ---[ end trace 3cde216e32c10c00 ]--- # [ 69.179124] lkdtm: Saturation detected: still saturated # REFCOUNT_INC_NOT_ZERO_SATURATED: saw 'call trace:': ok ok 55 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh # [ 69.328437] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 69.341919] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 69.355615] ------------[ cut here ]------------ # [ 69.366983] refcount_t: saturated; leaking memory. # [ 69.372371] WARNING: CPU: 1 PID: 2529 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 69.387978] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 69.420627] CPU: 1 PID: 2529 Comm: cat Tainted: G D W 5.10.158-cip22 #1 # [ 69.435496] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 69.448522] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 69.460578] Code: 01 01 e8 16 86 98 00 0f 0b c3 cc cc cc cc 80 3d ea 3a 94 01 00 75 a8 48 c7 c7 00 48 b5 b1 c6 05 da 3a 94 01 01 e8 f3 85 98 00 <0f> 0b c3 cc cc cc cc 80 3d c4 3a 94 01 00 75 85 48 c7 c7 58 48 b5 # [ 69.487781] RSP: 0018:ffffae2c42fefe38 EFLAGS: 00010282 # [ 69.499829] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 69.514014] RDX: ffff8c497acac660 RSI: ffff8c497ac9bf70 RDI: ffff8c497ac9bf70 # [ 69.521988] RBP: ffffffffb1bb8bf0 R08: 0000000000000000 R09: 0000000000000000 # [ 69.536167] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 69.544139] R13: ffffae2c42feff10 R14: ffffae2c42feff10 R15: ffff8c4903b66000 # [ 69.558319] FS: 00007f4ed612c580(0000) GS:ffff8c497ac80000(0000) knlGS:0000000000000000 # [ 69.567361] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 69.579987] CR2: 00007f4ed5f35000 CR3: 000000010320a001 CR4: 00000000003706e0 # [ 69.587960] Call Trace: # [ 69.596899] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 69.609240] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 # [ 69.621774] direct_entry.cold+0x2c/0x38 # [ 69.626157] full_proxy_write+0x53/0x80 # [ 69.636649] vfs_write+0xe7/0x3a0 # [ 69.646576] ksys_write+0x68/0xf0 # [ 69.656490] do_syscall_64+0x30/0x40 # [ 69.666695] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 69.672337] RIP: 0033:0x7f4ed60428f3 # [ 69.682535] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 69.703560] RSP: 002b:00007ffe9a07a918 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 69.718210] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f4ed60428f3 # [ 69.726183] RDX: 0000000000000020 RSI: 00007f4ed5f35000 RDI: 0000000000000001 # [ 69.740368] RBP: 00007f4ed5f35000 R08: 00007f4ed5f34010 R09: 0000000000000000 # [ 69.754578] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 69.768762] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 69.776742] irq event stamp: 0 # [ 69.786354] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 69.793359] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 69.808705] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 69.817842] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 69.831050] ---[ end trace 3cde216e32c10c01 ]--- # [ 69.836207] lkdtm: Saturation detected: still saturated # REFCOUNT_ADD_NOT_ZERO_SATURATED: saw 'call trace:': ok ok 56 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh # [ 69.989860] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 69.999152] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 70.012883] ------------[ cut here ]------------ # [ 70.024225] refcount_t: underflow; use-after-free. # [ 70.035823] WARNING: CPU: 1 PID: 2564 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 70.051433] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 70.084099] CPU: 1 PID: 2564 Comm: cat Tainted: G D W 5.10.158-cip22 #1 # [ 70.098939] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 70.111956] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 70.124008] Code: 01 01 e8 f3 85 98 00 0f 0b c3 cc cc cc cc 80 3d c4 3a 94 01 00 75 85 48 c7 c7 58 48 b5 b1 c6 05 b4 3a 94 01 01 e8 d0 85 98 00 <0f> 0b c3 cc cc cc cc 80 3d 9f 3a 94 01 00 0f 85 5e ff ff ff 48 c7 # [ 70.151201] RSP: 0018:ffffae2c4307fe40 EFLAGS: 00010286 # [ 70.163250] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 # [ 70.177436] RDX: ffff8c497acac660 RSI: ffff8c497ac9bf70 RDI: ffff8c497ac9bf70 # [ 70.191622] RBP: ffffffffb1bb8c10 R08: 0000000000000000 R09: 0000000000000000 # [ 70.199596] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 70.213774] R13: ffffae2c4307ff10 R14: ffffae2c4307ff10 R15: ffff8c49056c2000 # [ 70.227965] FS: 00007f3281a98580(0000) GS:ffff8c497ac80000(0000) knlGS:0000000000000000 # [ 70.237007] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 70.249634] CR2: 00007f32818a1000 CR3: 0000000104f80004 CR4: 00000000003706e0 # [ 70.263820] Call Trace: # [ 70.266578] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 70.278912] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 # [ 70.291449] direct_entry.cold+0x2c/0x38 # [ 70.302045] full_proxy_write+0x53/0x80 # [ 70.312544] vfs_write+0xe7/0x3a0 # [ 70.322457] ksys_write+0x68/0xf0 # [ 70.332371] do_syscall_64+0x30/0x40 # [ 70.342580] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 70.354428] RIP: 0033:0x7f32819ae8f3 # [ 70.364634] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 70.391831] RSP: 002b:00007fffe2b64d18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 70.406502] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f32819ae8f3 # [ 70.420686] RDX: 0000000000000020 RSI: 00007f32818a1000 RDI: 0000000000000001 # [ 70.428658] RBP: 00007f32818a1000 R08: 00007f32818a0010 R09: 0000000000000000 # [ 70.442839] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 70.457026] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 70.465020] irq event stamp: 0 # [ 70.474624] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 70.487840] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 70.503190] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 70.518541] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 70.531754] ---[ end trace 3cde216e32c10c02 ]--- # [ 70.543124] lkdtm: Saturation detected: still saturated # REFCOUNT_DEC_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok ok 57 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh # [ 70.697522] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 70.705826] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 70.713315] ------------[ cut here ]------------ # [ 70.724683] refcount_t: underflow; use-after-free. # [ 70.730092] WARNING: CPU: 2 PID: 2599 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 70.739529] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_debugfs cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 70.772159] CPU: 2 PID: 2599 Comm: cat Tainted: G D W 5.10.158-cip22 #1 # [ 70.780834] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 70.787640] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 70.793474] Code: 01 01 e8 f3 85 98 00 0f 0b c3 cc cc cc cc 80 3d c4 3a 94 01 00 75 85 48 c7 c7 58 48 b5 b1 c6 05 b4 3a 94 01 01 e8 d0 85 98 00 <0f> 0b c3 cc cc cc cc 80 3d 9f 3a 94 01 00 0f 85 5e ff ff ff 48 c7 # [ 70.814457] RSP: 0018:ffffae2c43117e40 EFLAGS: 00010286 # [ 70.820293] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 # [ 70.828265] RDX: ffff8c497ad2c660 RSI: ffff8c497ad1bf70 RDI: ffff8c497ad1bf70 # [ 70.836238] RBP: ffffffffb1bb8c30 R08: 0000000000000000 R09: 0000000000000000 # [ 70.844208] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 70.852179] R13: ffffae2c43117f10 R14: ffffae2c43117f10 R15: ffff8c4906487000 # [ 70.860160] FS: 00007f95bfc6d580(0000) GS:ffff8c497ad00000(0000) knlGS:0000000000000000 # [ 70.875423] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 70.881844] CR2: 00007f95bfa76000 CR3: 0000000103188004 CR4: 00000000003706e0 # [ 70.889818] Call Trace: # [ 70.892568] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 70.898707] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 # [ 70.911234] direct_entry.cold+0x2c/0x38 # [ 70.915645] full_proxy_write+0x53/0x80 # [ 70.919954] vfs_write+0xe7/0x3a0 # [ 70.923685] ksys_write+0x68/0xf0 # [ 70.927387] do_syscall_64+0x30/0x40 # [ 70.931408] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 70.937051] RIP: 0033:0x7f95bfb838f3 # [ 70.941065] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 70.962051] RSP: 002b:00007ffed56c2168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 70.970539] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f95bfb838f3 # [ 70.978512] RDX: 0000000000000020 RSI: 00007f95bfa76000 RDI: 0000000000000001 # [ 70.992700] RBP: 00007f95bfa76000 R08: 00007f95bfa75010 R09: 0000000000000000 # [ 71.006888] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 71.014861] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 71.022839] irq event stamp: 0 # [ 71.026275] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 71.039484] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 71.048676] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 71.057828] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 71.071031] ---[ end trace 3cde216e32c10c03 ]--- # [ 71.076186] lkdtm: Saturation detected: still saturated # REFCOUNT_SUB_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok ok 58 selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh # selftests: lkdtm: REFCOUNT_TIMING.sh # Skipping REFCOUNT_TIMING: timing only ok 59 selftests: lkdtm: REFCOUNT_TIMING.sh # SKIP # selftests: lkdtm: ATOMIC_TIMING.sh # Skipping ATOMIC_TIMING: timing only ok 60 selftests: lkdtm: ATOMIC_TIMING.sh # SKIP # selftests: lkdtm: USERCOPY_HEAP_SIZE_TO.sh # [ 71.286380] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 71.293958] lkdtm: attempting good copy_to_user of correct size # [ 71.306769] lkdtm: attempting bad copy_to_user of too large size # USERCOPY_HEAP_SIZE_TO: missing 'call trace:': [FAIL] not ok 61 selftests: lkdtm: USERCOPY_HEAP_SIZE_TO.sh # exit=1 # selftests: lkdtm: USERCOPY_HEAP_SIZE_FROM.sh # [ 71.470233] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 71.481987] lkdtm: attempting good copy_from_user of correct size # [ 71.495033] lkdtm: attempting bad copy_from_user of too large size # USERCOPY_HEAP_SIZE_FROM: missing 'call trace:': [FAIL] not ok 62 selftests: lkdtm: USERCOPY_HEAP_SIZE_FROM.sh # exit=1 # selftests: lkdtm: USERCOPY_HEAP_WHITELIST_TO.sh # [ 71.645686] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 71.658255] lkdtm: attempting good copy_to_user inside whitelist # [ 71.664970] lkdtm: attempting bad copy_to_user outside whitelist # USERCOPY_HEAP_WHITELIST_TO: missing 'call trace:': [FAIL] not ok 63 selftests: lkdtm: USERCOPY_HEAP_WHITELIST_TO.sh # exit=1 # selftests: lkdtm: USERCOPY_HEAP_WHITELIST_FROM.sh # [ 71.813365] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 71.822142] lkdtm: attempting good copy_from_user inside whitelist # [ 71.835290] lkdtm: attempting bad copy_from_user outside whitelist # USERCOPY_HEAP_WHITELIST_FROM: missing 'call trace:': [FAIL] not ok 64 selftests: lkdtm: USERCOPY_HEAP_WHITELIST_FROM.sh # exit=1 # selftests: lkdtm: USERCOPY_STACK_FRAME_TO.sh # [ 71.984291] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 71.992195] lkdtm: good_stack: ffffae2c434e7e20-ffffae2c434e7e40 # [ 71.998934] lkdtm: bad_stack : ffffae2c434e7da8-ffffae2c434e7dc8 # [ 72.011859] lkdtm: attempting good copy_to_user of local stack # [ 72.018404] lkdtm: attempting bad copy_to_user of distant stack # USERCOPY_STACK_FRAME_TO: missing 'call trace:': [FAIL] not ok 65 selftests: lkdtm: USERCOPY_STACK_FRAME_TO.sh # exit=1 # selftests: lkdtm: USERCOPY_STACK_FRAME_FROM.sh # [ 72.168313] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 72.181300] lkdtm: good_stack: ffffae2c43597e20-ffffae2c43597e40 # [ 72.194242] lkdtm: bad_stack : ffffae2c43597da8-ffffae2c43597dc8 # [ 72.207194] lkdtm: attempting good copy_from_user of local stack # [ 72.220119] lkdtm: attempting bad copy_from_user of distant stack # USERCOPY_STACK_FRAME_FROM: missing 'call trace:': [FAIL] not ok 66 selftests: lkdtm: USERCOPY_STACK_FRAME_FROM.sh # exit=1 # selftests: lkdtm: USERCOPY_STACK_BEYOND.sh # [ 72.355635] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 72.364106] lkdtm: good_stack: ffffae2c4363fe20-ffffae2c4363fe40 # [ 72.370817] lkdtm: bad_stack : ffffae2c4363fff8-ffffae2c43640018 # [ 72.377546] lkdtm: attempting good copy_to_user of local stack # [ 72.390263] lkdtm: attempting bad copy_to_user of distant stack # [ 72.396909] lkdtm: copy_to_user failed, but lacked Oops # USERCOPY_STACK_BEYOND: missing 'call trace:': [FAIL] not ok 67 selftests: lkdtm: USERCOPY_STACK_BEYOND.sh # exit=1 # selftests: lkdtm: USERCOPY_KERNEL.sh # [ 72.520533] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 72.527301] lkdtm: attempting good copy_to_user from kernel rodata: ffffffffb17ce150 # [ 72.542178] lkdtm: attempting bad copy_to_user from kernel text: ffffffffb04e3580 # [ 72.556729] lkdtm: FAIL: survived bad copy_to_user() # USERCOPY_KERNEL: missing 'call trace:': [FAIL] not ok 68 selftests: lkdtm: USERCOPY_KERNEL.sh # exit=1 # selftests: lkdtm: STACKLEAK_ERASING.sh # [ 72.696564] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 72.705356] lkdtm: checking unused part of the thread stack (15928 bytes)... # [ 72.713236] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) # [ 72.721046] lkdtm: FAIL: the thread stack is NOT properly erased # [ 72.727781] CPU: 3 PID: 2964 Comm: cat Tainted: G D W 5.10.158-cip22 #1 # [ 72.736429] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 72.743223] Call Trace: # [ 72.745953] dump_stack+0x77/0x9b # [ 72.749682] lkdtm_STACKLEAK_ERASING+0x116/0x144 # [ 72.754836] direct_entry.cold+0x2c/0x38 # [ 72.759214] full_proxy_write+0x53/0x80 # [ 72.763495] vfs_write+0xe7/0x3a0 # [ 72.767192] ksys_write+0x68/0xf0 # [ 72.770890] do_syscall_64+0x30/0x40 # [ 72.774878] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 72.780508] RIP: 0033:0x7f52f4b618f3 # [ 72.784495] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 72.805468] RSP: 002b:00007ffc7b534b68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 72.813922] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f52f4b618f3 # [ 72.821890] RDX: 0000000000000012 RSI: 00007f52f4a54000 RDI: 0000000000000001 # [ 72.829858] RBP: 00007f52f4a54000 R08: 00007f52f4a53010 R09: 0000000000000000 # [ 72.837824] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 72.845792] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # STACKLEAK_ERASING: missing 'OK: the rest of the thread stack is properly erased': [FAIL] not ok 69 selftests: lkdtm: STACKLEAK_ERASING.sh # exit=1 # selftests: lkdtm: CFI_FORWARD_PROTO.sh # [ 72.978360] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 72.990669] lkdtm: Calling matched prototype ... # [ 73.002046] lkdtm: Calling mismatched prototype ... # [ 73.013704] lkdtm: Fail: survived mismatched prototype function call! # CFI_FORWARD_PROTO: missing 'call trace:': [FAIL] not ok 70 selftests: lkdtm: CFI_FORWARD_PROTO.sh # exit=1 + ../../utils/send-to-lava.sh ./output/result.txt + set +x / #