[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_B:0.0.11/4d655eab RW_B:0.5.5/cr50_v1.9308_87_mp.479-d7921eab Initialized TPM device CR50 revision 0 tlcl_send_startup: Startup return code is 0 TPM: setup succeeded src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x1007 return code 0 Chrome EC: UHEPI supported Phase 1 FMAP: Found "FLASH" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area GBB found @ c11000 (978944 bytes) VB2:vb2_check_recovery() Recovery reason from previous boot: 0x0 / 0x0 Phase 2 Phase 3 FMAP: area GBB found @ c11000 (978944 bytes) VB2:vb2_report_dev_firmware() This is developer signed firmware FMAP: area VBLOCK_A found @ 200000 (65536 bytes) FMAP: area VBLOCK_A found @ 200000 (65536 bytes) VB2:vb2_verify_keyblock() Checking key block signature... FMAP: area VBLOCK_A found @ 200000 (65536 bytes) FMAP: area VBLOCK_A found @ 200000 (65536 bytes) VB2:vb2_verify_fw_preamble() Verifying preamble. Phase 4 FMAP: area FW_MAIN_A found @ 210000 (4030400 bytes) VB2:vb2api_init_hash() HW crypto for hash_alg 2 not supported, using SW VB2:vb2_rsa_verify_digest() Digest check failed! VB2:vb2_fail() Need recovery, reason: 0x1b / 0x7 Saving nvdata Reboot requested (10020007) board_reset() called! full_reset() called! coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 bootblock starting... CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz CPU: ID 806e9, Kabylake H0, ucode: 00000097 CPU: AES supported, TXT NOT supported, VT supported MCH: device id 590c (rev 02) is Kabylake-Y PCH: device id 9d4b (rev 21) is Kabylake-Y iHDCP 2.2 Premium IGD: device id 591c (rev 02) is Amberlake ULX GT2 VBOOT: Loading verstage. CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/verstage' CBFS: Found @ offset 1a0a80 size f47c coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 verstage starting... Probing TPM: . done! TPM ready after 0 ms Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_B:0.5.5/cr50_v1.9308_87_mp.479-d7921eab 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 39502 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fspm.bin' CBFS: Found @ offset 103fc0 size 63000 Chrome EC: UHEPI supported FMAP: Found "FLASH" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area RECOVERY_MRC_CACHE found @ 9d0000 (65536 bytes) Probing TPM: done! Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_B:0.5.5/cr50_v1.9308_87_mp.479-d7921eab 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 3 apic_id 2. AP: slot 2 apic_id 3. Waiting for 2nd SIPI to complete...done. AP: slot 1 apic_id 1. Loading module at 00038000 with entry 00038000. filesize: 0x1a8 memsize: 0x1a8 Processing 13 relocs. Offset value of 0x00038000 SMM Module: stub loaded at 00038000. Will call 7ab21603(00000000) Installing SMM handler to 0x7b000000 Loading module at 7b010000 with entry 7b010a19. filesize: 0x3b08 memsize: 0x8bc0 Processing 243 relocs. Offset value of 0x7b010000 Loading module at 7b008000 with entry 7b008000. filesize: 0x1a8 memsize: 0x1a8 Processing 13 relocs. Offset value of 0x7b008000 SMM Module: placing jmp sequence at 7b007c00 rel16 0x03fd SMM Module: placing jmp sequence at 7b007800 rel16 0x07fd SMM Module: placing jmp sequence at 7b007400 rel16 0x0bfd SMM Module: stub loaded at 7b008000. Will call 7b010a19(00000000) Clearing SMI status registers SMI_STS: PM1 PM1_STS: PWRBTN TCO_STS: BOOT SECOND_TO New SMBASE 0x7b000000 In relocation handler: CPU 0 New SMBASE=0x7b000000 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afffc00 In relocation handler: CPU 1 New SMBASE=0x7afffc00 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afff400 In relocation handler: CPU 3 New SMBASE=0x7afff400 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afff800 In relocation handler: CPU 2 New SMBASE=0x7afff800 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. Initializing CPU #0 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC... apic_id: 0x00 done. Turbo is available but hidden Turbo has been enabled SGX : param.enable = 0 Skip microcode update CPU #0 initialized Initializing CPU #1 Initializing CPU #2 Initializing CPU #3 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC...CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 apic_id: 0x03 done. Setting up local APIC...Setting up local APIC...Skip microcode update apic_id: 0x02 done. CPU #2 initialized Skip microcode update apic_id: 0x01 done. CPU #3 initialized Skip microcode update CPU #1 initialized bsp_do_flight_plan done after 228 msecs. CPU: frequency set to 3400 MHz Enabling SMIs. Locking SMM. VMX : param.enable = 1 VMX status: enabled, unlocked SGX: pre-conditions not met VMX status: enabled, unlocked VMX status: enabled, unlocked VMX status: enabled, unlocked SGX: pre-conditions not met SGX: pre-conditions not met CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'vbt.bin' SGX: pre-conditions not met CBFS: Found @ offset 103a00 size 48e Found a VBT of 4608 bytes after decompression psys_pmax = 360 FMAP: area GBB found @ c11000 (978944 bytes) ITSS IRQ Polarities Before: IPC0: 0x00ff4000 IPC1: 0x00000007 IPC2: 0x00000000 IPC3: 0x00000000 ITSS IRQ Polarities After: IPC0: 0x00ff4000 IPC1: 0x00000007 IPC2: 0x00000000 IPC3: 0x00000000 Override DT after FSP-S, PCH is KBL/SKL PCH-LP SKU BS: BS_DEV_INIT_CHIPS times (us): entry 373298 run 170376 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 8975 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 8972 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 8969 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 8973 usecs USB2 port 8 scanning... scan_usb_bus for USB2 port 8 scan_usb_bus for USB2 port 8 done scan_bus: scanning of bus USB2 port 8 took 8973 usecs scan_usb_bus for USB0 port 0 done scan_bus: scanning of bus USB0 port 0 took 90961 usecs scan_usb_bus for PCI: 00:14.0 done scan_bus: scanning of bus PCI: 00:14.0 took 107749 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 14149 usecs PCI: 00:15.1 scanning... scan_generic_bus for PCI: 00:15.1 bus: PCI: 00:15.1[0]->I2C: 02:15 enabled scan_generic_bus for PCI: 00:15.1 done scan_bus: scanning of bus PCI: 00:15.1 took 14156 usecs PCI: 00:19.1 scanning... scan_generic_bus for PCI: 00:19.1 bus: PCI: 00:19.1[0]->I2C: 03:39 enabled bus: PCI: 00:19.1[0]->I2C: 03:3a enabled bus: PCI: 00:19.1[0]->I2C: 03:1a enabled scan_generic_bus for PCI: 00:19.1 done scan_bus: scanning of bus PCI: 00:19.1 took 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 53531 usecs PCI: 00:1e.2 scanning... scan_generic_bus for PCI: 00:1e.2 bus: PCI: 00:1e.2[0]->SPI: 00 enabled scan_generic_bus for PCI: 00:1e.2 done scan_bus: scanning of bus PCI: 00:1e.2 took 13863 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 9256 usecs PCI: 00:1f.3 scanning... scan_bus: scanning of bus PCI: 00:1f.3 took 2718 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 10048 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 10038 usecs scan_bus: scanning of bus DOMAIN: 0000 took 466047 usecs root_dev_scan_bus for Root Device done scan_bus: scanning of bus Root Device took 486158 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=1 MRC: NOT enabling PRR for 'UNIFIED_MRC_CACHE'. BS: BS_DEV_ENUMERATE times (us): entry 0 run 825930 exit 39263 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 2114141 exit 31 Enabling resources... PCI: 00:00.0 subsystem <- 8086/590c PCI: 00:00.0 cmd <- 06 PCI: 00:02.0 subsystem <- 8086/591c PCI: 00:02.0 cmd <- 03 PCI: 00:04.0 cmd <- 02 PCI: 00:08.0 cmd <- 06 PCI: 00:14.0 subsystem <- 8086/9d2f PCI: 00:14.0 cmd <- 02 PCI: 00:14.2 subsystem <- 8086/9d31 PCI: 00:14.2 cmd <- 02 PCI: 00:15.0 subsystem <- 8086/9d60 PCI: 00:15.0 cmd <- 06 PCI: 00:15.1 subsystem <- 8086/9d61 PCI: 00:15.1 cmd <- 06 PCI: 00:16.0 subsystem <- 8086/9d3a PCI: 00:16.0 cmd <- 02 PCI: 00:19.0 subsystem <- 8086/9d66 PCI: 00:19.0 cmd <- 06 PCI: 00:19.1 subsystem <- 8086/9d65 PCI: 00:19.1 cmd <- 06 PCI: 00:1c.0 bridge ctrl <- 0003 PCI: 00:1c.0 subsystem <- 8086/9d10 PCI: 00:1c.0 cmd <- 06 PCI: 00:1e.0 subsystem <- 8086/9d27 PCI: 00:1e.0 cmd <- 06 PCI: 00:1e.2 subsystem <- 8086/9d29 PCI: 00:1e.2 cmd <- 06 PCI: 00:1e.4 subsystem <- 8086/9d2b PCI: 00:1e.4 cmd <- 06 PCI: 00:1e.6 subsystem <- 8086/9d2d PCI: 00:1e.6 cmd <- 06 PCI: 00:1f.0 subsystem <- 8086/9d4b PCI: 00:1f.0 cmd <- 407 PCI: 00:1f.2 subsystem <- 8086/9d21 PCI: 00:1f.2 cmd <- 02 PCI: 00:1f.3 subsystem <- 8086/9d71 PCI: 00:1f.3 cmd <- 02 PCI: 00:1f.4 subsystem <- 8086/9d23 PCI: 00:1f.4 cmd <- 03 PCI: 00:1f.5 subsystem <- 8086/9d24 PCI: 00:1f.5 cmd <- 406 PCI: 01:00.0 subsystem <- 8086/095a PCI: 01:00.0 cmd <- 02 done. ME: Version : 11.8.50.3470 BS: BS_DEV_ENABLE times (us): entry 231 run 139340 exit 21006 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 30852 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 6983 usecs PCI: 00:02.0 init ... PCI: 00:02.0 init finished in 2249 usecs PCI: 00:04.0 init ... PCI: 00:04.0 init finished in 2249 usecs PCI: 00:08.0 init ... PCI: 00:08.0 init finished in 2250 usecs PCI: 00:14.0 init ... PCI: 00:14.0 init finished in 2248 usecs PCI: 00:14.2 init ... PCI: 00:14.2 init finished in 2239 usecs PCI: 00:15.0 init ... DW I2C bus 0 at 0xd1132000 (400 KHz) PCI: 00:15.0 init finished in 5968 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 2249 usecs PCI: 00:19.1 init ... DW I2C bus 5 at 0xd1136000 (400 KHz) PCI: 00:19.1 init finished in 5967 usecs PCI: 00:1c.0 init ... Initializing PCH PCIe bridge. PCI: 00:1c.0 init finished in 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 23496 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 23857 usecs PCI: 00:1f.4 init ... PCI: 00:1f.4 init finished in 2252 usecs PCI: 01:00.0 init ... PCI: 01:00.0 init finished in 2392 usecs PNP: 0c09.0 init ... Google Chrome EC: Hello got back 11223344 status (0) Google Chrome EC: version: ro: rammus_v2.0.387-f0df0fe2e rw: rammus_v2.0.425-6e0dd622e running image: 1 EC returned error result code 1 PNP: 0c09.0 init finished in 24668 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 2023-01-04 12:06:32 UTC POST: Unexpected post code in previous boot: 0x34 ELOG: Event(A3) added with size 11 at 2023-01-04 12:06:32 UTC ELOG: Event(A6) added with size 13 at 2023-01-04 12:06:32 UTC ELOG: Event(92) added with size 9 at 2023-01-04 12:06:32 UTC ELOG: Event(9A) added with size 9 at 2023-01-04 12:06:32 UTC ELOG: Event(AD) added with size 10 at 2023-01-04 12:06:32 UTC ELOG: Event(9F) added with size 14 at 2023-01-04 12:06:32 UTC BS: BS_DEV_INIT times (us): entry 0 run 417325 exit 66323 ELOG: Event(A1) added with size 10 at 2023-01-04 12:06:32 UTC elog_add_boot_reason: Logged recovery mode boot (Dev-switch on), reason: 0x1b ELOG: Event(A0) added with size 9 at 2023-01-04 12:06:32 UTC elog_add_boot_reason: Logged dev mode boot Finalize devices... Devices finalized FMAP: area RW_NVRAM found @ 9fa000 (24576 bytes) Erasing flash addr 9fa000 + 4 KiB Erasing flash addr 9fb000 + 4 KiB Erasing flash addr 9fc000 + 4 KiB Erasing flash addr 9fd000 + 4 KiB Erasing flash addr 9fe000 + 4 KiB Erasing flash addr 9ff000 + 4 KiB nvram is cleared BS: BS_POST_DEVICE times (us): entry 25550 run 3959 exit 289411 BS: BS_OS_RESUME_CHECK times (us): entry 0 run 55 exit 0 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/dsdt.aml' CBFS: Found @ offset 19af40 size 4691 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/slic' CBFS: 'fallback/slic' not found. ACPI: Writing ACPI tables at 7aa9a000. ACPI: * FACS ACPI: * DSDT Ramoops buffer: 0x100000@0x7a999000. SGX: not enabled or not supported. skip gnvs fill ACPI: * FADT SCI is IRQ9 ACPI: added table 1/32, length now 40 ACPI: * SSDT Found 1 CPU(s) with 4 core(s) each. \_SB.PCI0.I2C0.H05C: SISC Touchscreen at I2C: 01:5c \_SB.PCI0.I2C1.D015: ELAN Touchpad at I2C: 02:15 \_SB.PCI0.I2C5.MAXR: Maxim MAX98927 Codec address 039h \_SB.PCI0.I2C5.MAXL: Maxim MAX98927 Codec address 03ah \_SB.PCI0.I2C5.DLG7: Dialog Semiconductor DA7219 Audio Codec address 01ah irq 105 Error: Could not locate 'wifi_sar' in VPD. Error: failed from getting SAR limits! \_SB.PCI0.RP01.WIFI: Intel WiFi PCI: 01:00.0 \_SB.PCI0.SPI0.S001: SPI Device at SPI: 00 \_SB.PCI0.XHCI.RHUB.HS01: USB Type C Port 1 at USB2 port 0 \_SB.PCI0.XHCI.RHUB.HS02: USB Type A Port 1 at USB2 port 1 \_SB.PCI0.XHCI.RHUB.HS03: Bluetooth at USB2 port 2 \_SB.PCI0.XHCI.RHUB.HS05: USB Type C Port 2 at USB2 port 4 \_SB.PCI0.XHCI.RHUB.HS09: Camera at USB2 port 8 ACPI: added table 2/32, length now 44 ACPI: * MCFG ACPI: added table 3/32, length now 48 ACPI: * TPM2 ACPI: added table 4/32, length now 52 ACPI: * MADT SCI is IRQ9 ACPI: added table 5/32, length now 56 current = 7aa9fa60 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dmic-4ch-48khz-16b.bin' CBFS: Found @ offset 167000 size ba8 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dmic-4ch-48khz-32b.bin' CBFS: Found @ offset 19f640 size ba8 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dialog-2ch-48khz-24b.bin' CBFS: Found @ offset 167cc0 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dialog-2ch-48khz-24b.bin' CBFS: Found @ offset 167cc0 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'max98927-render-2ch-48khz-24b.bin' CBFS: Found @ offset 167c00 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'max98927-render-2ch-48khz-16b.bin' CBFS: Found @ offset 103f00 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'max98927-render-2ch-48khz-16b.bin' CBFS: Found @ offset 103f00 size 64 ACPI: * NHLT ACPI: added table 6/32, length now 60 ACPI: * DMAR ACPI: added table 7/32, length now 64 ACPI: * IGD OpRegion GMA: Found VBT in CBFS GMA: Found valid VBT in CBFS current = 7aaa3610 ACPI: added table 8/32, length now 68 ACPI: * HPET ACPI: added table 9/32, length now 72 ACPI: done. ACPI tables: 38592 bytes. smbios_write_tables: 7a998000 Create SMBIOS type 17 PCI: 01:00.0 (Intel WiFi) SMBIOS tables: 662 bytes. Writing table forward entry at 0x00000500 Wrote coreboot table at: 00000500, 0x10 bytes, checksum a532 Writing coreboot table at 0x7aabe000 0. 0000000000000000-0000000000000fff: CONFIGURATION TABLES 1. 0000000000001000-000000000009ffff: RAM 2. 00000000000a0000-00000000000fffff: RESERVED 3. 0000000000100000-000000007a997fff: RAM 4. 000000007a998000-000000007ab05fff: CONFIGURATION TABLES 5. 000000007ab06000-000000007abcffff: RAMSTAGE 6. 000000007abd0000-000000007affffff: CONFIGURATION TABLES 7. 000000007b000000-000000007fffffff: RESERVED 8. 00000000e0000000-00000000e3ffffff: RESERVED 9. 00000000fe000000-00000000fe00ffff: RESERVED 10. 00000000fed10000-00000000fed19fff: RESERVED 11. 00000000fed80000-00000000fed84fff: RESERVED 12. 00000000fed90000-00000000fed91fff: RESERVED 13. 0000000100000000-000000017effffff: RAM Graphics framebuffer located at 0xc0000000 Passing 6 GPIOs to payload: NAME | PORT | POLARITY | VALUE write protect | undefined | high | low recovery | undefined | high | low lid | undefined | high | high power | undefined | high | low oprom | undefined | high | low EC in RW | 0x00000036 | high | low Board ID: 6 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) Wrote coreboot table at: 7aabe000, 0x5a4 bytes, checksum bc71 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 537497 exit 146851 call enable_fixed_mtrr() CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CPU physical address size: 39 bits CBFS: Locating 'fallback/payload' MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 call enable_fixed_mtrr() MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 CPU physical address size: 39 bits call enable_fixed_mtrr() CBFS: Found @ offset 223040 size 360b4 CPU physical address size: 39 bits Checking segment from ROM address 0xfff23078 Checking segment from ROM address 0xfff23094 Loading segment from ROM address 0xfff23078 code (compression=0) New segment dstaddr 0x30104020 memsize 0x64d8b0 srcaddr 0xfff230b0 filesize 0x3607c Loading Segment: addr: 0x30104020 memsz: 0x000000000064d8b0 filesz: 0x000000000003607c it's not compressed! [ 0x30104020, 3013a09c, 0x307518d0) <- fff230b0 Clearing Segment: addr: 0x000000003013a09c memsz: 0x0000000000617834 Loading segment from ROM address 0xfff23094 Entry Point 0x30104020 Loaded segments Finalizing chipset. ME: Host Firmware Status Register 1 : 0x90000245 ME: Host Firmware Status Register 2 : 0x6B000306 ME: Host Firmware Status Register 3 : 0x00000020 ME: Host Firmware Status Register 4 : 0x00084000 ME: Host Firmware Status Register 5 : 0x00000000 ME: Host Firmware Status Register 6 : 0x40000002 ME: FW Partition Table : OK ME: Bringup Loader Failure : NO ME: Firmware Init Complete : YES ME: Manufacturing Mode : NO ME: Boot Options Present : NO ME: Update In Progress : NO ME: D3 Support : NO ME: D0i3 Support : YES ME: Low Power State Enabled : YES ME: CPU Replaced : NO ME: CPU Replacement Valid : YES ME: Current Working State : Normal ME: Current Operation State : M0 with UMA ME: Current Operation Mode : Normal ME: Error Code : No Error ME: Progress Phase : Host Communication ME: Power Management Event : Power cycle reset through Moff ME: Progress Phase State : Host communication established ME: Power Down Mitigation : NO ME: FPF status : fused Clearing MCA. Finalizing SMM. BS: BS_PAYLOAD_LOAD times (us): entry 634 run 261904 exit 135697 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 8570446/tftp-deploy-hasu44xt/kernel/bzImage 8570446/tftp-deploy-hasu44xt/kernel/cmdline 8570446/tftp-deploy-hasu44xt/ramdisk/ramdisk.cpio.gz tftpboot 192.168.201.1 8570446/tftp-deploy-hasu44xt/kernel/bzImoy-hasu44xt/kernel/cmdline 8570446/tftp-deploy-hasu44xt/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:68:0a:98 Sending DHCP discover... done. Waiting for reply... done. Sending DHCP request... done. Waiting for reply... done. My ip is 192.168.201.18 The DHCP server ip is 192.168.201.1 TFTP server IP predefined by user: 192.168.201.1 Bootfile predefined by user: 8570446/tftp-deploy-hasu44xt/kernel/bzImage Sending tftp read request... done. Waiting for the transfer... 00000000 ################################################################ 00080000 ################################################################ 00100000 ################################################################ 00180000 ################################################################ 00200000 ################################################################ 00280000 ################################################################ 00300000 ################################################################ 00380000 ################################################################ 00400000 ################################################################ 00480000 ################################################################ 00500000 ################################################################ 00580000 ################################################################ 00600000 ################################################################ 00680000 ################################################################ 00700000 ################################################################ 00780000 ################################################################ 00800000 ################################################################ 00880000 ################################################################ 00900000 ################################################################ 00980000 ################################################################ 00a00000 ################################################################ 00a80000 ################################################################ 00b00000 ################################################################ 00b80000 ################################################################ 00c00000 ################################################################ 00c80000 ################################################################ 00d00000 ################################################################ 00d80000 ##################################### done. The bootfile was 14455616 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: 8570446/tftp-deploy-hasu44xt/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/8570446/extract-nfsrootfs-rniv5kol,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: 18310647 Starting kernel ... [ 0.000000] Linux version 5.10.162-cip23 (KernelCI@build-j782755-x86-64-gcc-10-x86-64-defconfig-x86-chromeboor7nwm) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Wed Jan 4 11:58:25 UTC 2023 [ 0.000000] Command line: earlyprintk=uart8250,mmio32,0xde000000,115200n8 console=ttyS0,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/8570446/extract-nfsrootfs-rniv5kol,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 [ 0.000054] last_pfn = 0x17f000 max_arch_pfn = 0x400000000 [ 0.001316] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.006800] last_pfn = 0x7a998 max_arch_pfn = 0x400000000 [ 0.024267] check: Scanning 1 areas for low memory corruption [ 0.024279] Using GB pages for direct mapping [ 0.024950] RAMDISK: [mem 0x377f5000-0x37ffffff] [ 0.024957] ACPI: Early table checksum verification disabled [ 0.024965] ACPI: RSDP 0x00000000000F0000 000024 (v02 CORE ) [ 0.024978] ACPI: XSDT 0x000000007AA9A0E0 00006C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.024994] ACPI: FACP 0x000000007AA9E970 0000F4 (v04 CORE COREBOOT 00000000 CORE 00000000) [ 0.025010] ACPI: DSDT 0x000000007AA9A280 0046E3 (v05 COREv4 COREBOOT 20110725 INTL 20180531) [ 0.025022] ACPI: FACS 0x000000007AA9A240 000040 [ 0.025033] ACPI: FACS 0x000000007AA9A240 000040 [ 0.025043] ACPI: SSDT 0x000000007AA9EA70 000EFA (v02 CORE COREBOOT 0000002A CORE 0000002A) [ 0.025056] ACPI: MCFG 0x000000007AA9F970 00003C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.025067] ACPI: TPM2 0x000000007AA9F9B0 000040 (v04 CORE COREBOOT 00000000 CORE 00000000) [ 0.025079] ACPI: APIC 0x000000007AA9F9F0 00006C (v02 CORE COREBOOT 00000000 CORE 00000000) [ 0.025090] ACPI: NHLT 0x000000007AA9FA60 001B1C (v05 GOOGLE RAMMUS 00000000 CORE 00000000) [ 0.025102] ACPI: DMAR 0x000000007AAA1580 000088 (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.025113] ACPI: DBG2 0x000000007AAA3610 000061 (v00 CORE COREBOOT 00000000 CORE 00000000) [ 0.025125] ACPI: HPET 0x000000007AAA3680 000038 (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.025137] ACPI: Reserving FACP table memory at [mem 0x7aa9e970-0x7aa9ea63] [ 0.025142] ACPI: Reserving DSDT table memory at [mem 0x7aa9a280-0x7aa9e962] [ 0.025146] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] [ 0.025151] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] [ 0.025155] ACPI: Reserving SSDT table memory at [mem 0x7aa9ea70-0x7aa9f969] [ 0.025159] ACPI: Reserving MCFG table memory at [mem 0x7aa9f970-0x7aa9f9ab] [ 0.025164] ACPI: Reserving TPM2 table memory at [mem 0x7aa9f9b0-0x7aa9f9ef] [ 0.025168] ACPI: Reserving APIC table memory at [mem 0x7aa9f9f0-0x7aa9fa5b] [ 0.025173] ACPI: Reserving NHLT table memory at [mem 0x7aa9fa60-0x7aaa157b] [ 0.025177] ACPI: Reserving DMAR table memory at [mem 0x7aaa1580-0x7aaa1607] [ 0.025182] ACPI: Reserving DBG2 table memory at [mem 0x7aaa3610-0x7aaa3670] [ 0.025186] ACPI: Reserving HPET table memory at [mem 0x7aaa3680-0x7aaa36b7] [ 0.025322] No NUMA configuration found [ 0.025327] Faking a node at [mem 0x0000000000000000-0x000000017effffff] [ 0.025336] NODE_DATA(0) allocated [mem 0x17effc000-0x17effffff] [ 0.025378] Zone ranges: [ 0.025383] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.025390] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.025397] Normal [mem 0x0000000100000000-0x000000017effffff] [ 0.025404] Movable zone start for each node [ 0.025408] Early memory node ranges [ 0.025413] node 0: [mem 0x0000000000001000-0x000000000009ffff] [ 0.025418] node 0: [mem 0x0000000000100000-0x000000007a997fff] [ 0.025422] node 0: [mem 0x0000000100000000-0x000000017effffff] [ 0.025428] Initmem setup node 0 [mem 0x0000000000001000-0x000000017effffff] [ 0.025462] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.025504] On node 0, zone DMA: 96 pages in unavailable ranges [ 0.036208] On node 0, zone Normal: 22120 pages in unavailable ranges [ 0.036274] On node 0, zone Normal: 4096 pages in unavailable ranges [ 0.036313] Reserving Intel graphics memory at [mem 0x7c000000-0x7fffffff] [ 0.036669] ACPI: PM-Timer IO Port: 0x1808 [ 0.036724] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-119 [ 0.036737] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 0.036743] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.036757] Using ACPI (MADT) for SMP configuration information [ 0.036763] ACPI: HPET id: 0x8086a701 base: 0xfed00000 [ 0.036770] TSC deadline timer available [ 0.036775] smpboot: Allowing 4 CPUs, 0 hotplug CPUs [ 0.036804] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.036810] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000fffff] [ 0.036815] PM: hibernation: Registered nosave memory: [mem 0x7a998000-0x7affffff] [ 0.036820] PM: hibernation: Registered nosave memory: [mem 0x7b000000-0x7fffffff] [ 0.036824] PM: hibernation: Registered nosave memory: [mem 0x80000000-0xdfffffff] [ 0.036828] PM: hibernation: Registered nosave memory: [mem 0xe0000000-0xe3ffffff] [ 0.036832] PM: hibernation: Registered nosave memory: [mem 0xe4000000-0xfdffffff] [ 0.036837] PM: hibernation: Registered nosave memory: [mem 0xfe000000-0xfe00ffff] [ 0.036841] PM: hibernation: Registered nosave memory: [mem 0xfe010000-0xfed0ffff] [ 0.036845] PM: hibernation: Registered nosave memory: [mem 0xfed10000-0xfed19fff] [ 0.036849] PM: hibernation: Registered nosave memory: [mem 0xfed1a000-0xfed7ffff] [ 0.036853] PM: hibernation: Registered nosave memory: [mem 0xfed80000-0xfed84fff] [ 0.036857] PM: hibernation: Registered nosave memory: [mem 0xfed85000-0xfed8ffff] [ 0.036861] PM: hibernation: Registered nosave memory: [mem 0xfed90000-0xfed91fff] [ 0.036866] PM: hibernation: Registered nosave memory: [mem 0xfed92000-0xffffffff] [ 0.036874] [mem 0x80000000-0xdfffffff] available for PCI devices [ 0.036882] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns [ 0.050320] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:4 nr_node_ids:1 [ 0.050590] percpu: Embedded 59 pages/cpu s200848 r8192 d32624 u524288 [ 0.050667] Built 1 zonelists, mobility grouping on. Total pages: 1006266 [ 0.050672] Policy zone: Normal [ 0.050686] 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/8570446/extract-nfsrootfs-rniv5kol,tcp,hard ip=dhcp tftpserverip=192.168.201.1 [ 0.051210] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) [ 0.051452] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear) [ 0.051539] mem auto-init: stack:off, heap alloc:off, heap free:off [ 0.072599] Memory: 3888556K/4089052K available (18450K kernel code, 3466K rwdata, 8028K rodata, 2024K init, 13244K bss, 200236K reserved, 0K cma-reserved) [ 0.072760] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 [ 0.072824] Kernel/User page tables isolation: enabled [ 0.072920] ftrace: allocating 53430 entries in 209 pages [ 0.129809] ftrace: allocated 209 pages with 4 groups [ 0.130084] Running RCU self tests [ 0.130100] rcu: Hierarchical RCU implementation. [ 0.130104] rcu: RCU event tracing is enabled. [ 0.130108] rcu: RCU lockdep checking is enabled. [ 0.130113] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=4. [ 0.130118] Rude variant of Tasks RCU enabled. [ 0.130121] Tracing variant of Tasks RCU enabled. [ 0.130126] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies. [ 0.130130] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 [ 0.139680] NR_IRQS: 4352, nr_irqs: 1024, preallocated irqs: 16 [ 0.140138] random: crng init done [ 0.140244] Console: colour dummy device 80x25 [ 0.215390] printk: console [ttyS0] enabled [ 0.215758] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.216420] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.216781] ... MAX_LOCK_DEPTH: 48 [ 0.217148] ... MAX_LOCKDEP_KEYS: 8192 [ 0.217530] ... CLASSHASH_SIZE: 4096 [ 0.217911] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.218299] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.218688] ... CHAINHASH_SIZE: 32768 [ 0.219076] memory used by lock dependency info: 6365 kB [ 0.219543] memory used for stack traces: 4224 kB [ 0.219961] per task-struct memory footprint: 1920 bytes [ 0.220485] ACPI: Core revision 20200925 [ 0.221074] hpet: HPET dysfunctional in PC10. Force disabled. [ 0.221574] APIC: Switch to symmetric I/O mode setup [ 0.226078] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x170fff30cc4, max_idle_ns: 440795237869 ns [ 0.226999] Calibrating delay loop (skipped), value calculated using timer frequency.. 3199.92 BogoMIPS (lpj=1599960) [ 0.227904] pid_max: default: 32768 minimum: 301 [ 0.227981] LSM: Security Framework initializing [ 0.227981] SELinux: Initializing. [ 0.227981] LSM support for eBPF active [ 0.227981] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.227981] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.227981] mce: CPU0: Thermal monitoring enabled (TM1) [ 0.227981] process: using mwait in idle threads [ 0.227981] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8 [ 0.227981] Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4 [ 0.227981] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 0.227981] Spectre V2 : Mitigation: IBRS [ 0.227981] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 0.227981] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB on VMEXIT [ 0.227981] RETBleed: Mitigation: IBRS [ 0.227981] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier [ 0.227981] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl and seccomp [ 0.227981] MDS: Vulnerable: Clear CPU buffers attempted, no microcode [ 0.227981] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode [ 0.227981] SRBDS: Vulnerable: No microcode [ 0.227981] ------------[ cut here ]------------ [ 0.227981] missing return thunk: lkdtm_rodata_do_nothing+0x0/0x10-lkdtm_rodata_do_nothing+0x5/0x10: e9 00 00 00 00 [ 0.227981] WARNING: CPU: 0 PID: 0 at arch/x86/kernel/alternative.c:712 apply_returns+0x1f5/0x220 [ 0.227981] Modules linked in: [ 0.227981] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.10.162-cip23 #1 [ 0.227981] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 0.227981] RIP: 0010:apply_returns+0x1f5/0x220 [ 0.227981] 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 c0 9b 7f 85 c6 05 98 5b e4 01 01 e8 c6 d5 e8 00 <0f> 0b e9 b9 fe ff ff 44 89 f9 c7 00 cc cc cc cc c7 44 08 fc cc cc [ 0.227981] RSP: 0000:ffffffff85a03de0 EFLAGS: 00010282 [ 0.227981] RAX: 0000000000000000 RBX: ffffffff864e278c RCX: 0000000000000000 [ 0.227981] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff83f7ab01 [ 0.227981] RBP: ffffffff854d1220 R08: 0000000000000001 R09: 0000000000000001 [ 0.227981] R10: ffffffff85a8fd20 R11: 3fffffffffffffff R12: ffffffff864fa3a0 [ 0.227981] R13: cccccccccccccccc R14: ffffffff854d1225 R15: 0000000000000004 [ 0.227981] FS: 0000000000000000(0000) GS:ffff9d353ac00000(0000) knlGS:0000000000000000 [ 0.227981] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 0.227981] CR2: ffff9d351cc01000 CR3: 000000015b426001 CR4: 00000000003706f0 [ 0.227981] Call Trace: [ 0.227981] alternative_instructions+0x7d/0x143 [ 0.227981] check_bugs+0xece/0xf2a [ 0.227981] start_kernel+0x517/0x54d [ 0.227981] secondary_startup_64_no_verify+0xc2/0xcb [ 0.227981] irq event stamp: 162693 [ 0.227981] hardirqs last enabled at (162701): [] console_unlock+0x4d1/0x5f0 [ 0.227981] hardirqs last disabled at (162708): [] console_unlock+0x444/0x5f0 [ 0.227981] softirqs last enabled at (1840): [] cgroup_idr_alloc.constprop.0+0x5b/0xe0 [ 0.227981] softirqs last disabled at (1838): [] cgroup_idr_alloc.constprop.0+0x2e/0xe0 [ 0.227981] ---[ end trace 05348d993f728f54 ]--- [ 0.227981] Freeing SMP alternatives memory: 44K [ 0.227981] smpboot: CPU0: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz (family: 0x6, model: 0x8e, stepping: 0x9) [ 0.228825] Performance Events: PEBS fmt3+, Skylake events, 32-deep LBR, full-width counters, Intel PMU driver. [ 0.229000] ... version: 4 [ 0.229357] ... bit width: 48 [ 0.229720] ... generic registers: 4 [ 0.229990] ... value mask: 0000ffffffffffff [ 0.230456] ... max period: 00007fffffffffff [ 0.230919] ... fixed-purpose events: 3 [ 0.230988] ... event mask: 000000070000000f [ 0.232085] rcu: Hierarchical SRCU implementation. [ 0.234760] smp: Bringing up secondary CPUs ... [ 0.235905] x86: Booting SMP configuration: [ 0.236018] .... node #0, CPUs: #1 [ 0.237025] 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. [ 0.237993] 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. [ 0.239728] #2 #3 [ 0.242286] smp: Brought up 1 node, 4 CPUs [ 0.242993] smpboot: Max logical packages: 1 [ 0.243379] smpboot: Total of 4 processors activated (12799.68 BogoMIPS) [ 0.246404] devtmpfs: initialized [ 0.247441] x86/mm: Memory block size: 128MB [ 0.252541] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns [ 0.253010] futex hash table entries: 1024 (order: 5, 131072 bytes, linear) [ 0.254141] pinctrl core: initialized pinctrl subsystem [ 0.254990] PM: RTC time: 12:06:46, date: 2023-01-04 [ 0.256131] NET: Registered protocol family 16 [ 0.257480] audit: initializing netlink subsys (disabled) [ 0.258033] audit: type=2000 audit(1672834005.031:1): state=initialized audit_enabled=0 res=1 [ 0.259027] thermal_sys: Registered thermal governor 'step_wise' [ 0.259034] thermal_sys: Registered thermal governor 'user_space' [ 0.259656] cpuidle: using governor menu [ 0.260429] ACPI: bus type PCI registered [ 0.261449] PCI: MMCONFIG for domain 0000 [bus 00-3f] at [mem 0xe0000000-0xe3ffffff] (base 0xe0000000) [ 0.261995] PCI: MMCONFIG at [mem 0xe0000000-0xe3ffffff] reserved in E820 [ 0.262627] PCI: Using configuration type 1 for base access [ 0.291822] Kprobes globally optimized [ 0.292153] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 0.292610] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 0.294173] cryptomgr_test (38) used greatest stack depth: 14880 bytes left [ 0.297384] ACPI: Added _OSI(Module Device) [ 0.297384] ACPI: Added _OSI(Processor Device) [ 0.297404] ACPI: Added _OSI(3.0 _SCP Extensions) [ 0.297818] ACPI: Added _OSI(Processor Aggregator Device) [ 0.298995] ACPI: Added _OSI(Linux-Dell-Video) [ 0.299391] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 0.299859] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 0.315641] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 0.326126] ACPI: EC: EC started [ 0.326444] ACPI: EC: interrupt blocked [ 0.327753] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.328995] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC used to handle transactions [ 0.329632] ACPI: Interpreter enabled [ 0.330047] ACPI: (supports S0 S3 S4 S5) [ 0.330399] ACPI: Using IOAPIC for interrupt routing [ 0.330932] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 0.352794] ACPI: Power Resource [PRIC] (on) [ 0.487659] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 0.489004] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] [ 0.490160] acpi PNP0A08:00: _OSC: OS now controls [PME PCIeCapability LTR] [ 0.490844] acpi PNP0A08:00: [Firmware Info]: MMCONFIG for domain 0000 [bus 00-3f] only partially covers this bridge [ 0.491768] PCI host bridge to bus 0000:00 [ 0.491994] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 0.492584] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 0.493993] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 0.494639] pci_bus 0000:00: root bus resource [mem 0x000c0000-0x000c3fff window] [ 0.494991] pci_bus 0000:00: root bus resource [mem 0x000c4000-0x000c7fff window] [ 0.495637] pci_bus 0000:00: root bus resource [mem 0x000c8000-0x000cbfff window] [ 0.495990] pci_bus 0000:00: root bus resource [mem 0x000cc000-0x000cffff window] [ 0.496637] pci_bus 0000:00: root bus resource [mem 0x000d0000-0x000d3fff window] [ 0.497992] pci_bus 0000:00: root bus resource [mem 0x000d4000-0x000d7fff window] [ 0.498638] pci_bus 0000:00: root bus resource [mem 0x000d8000-0x000dbfff window] [ 0.498991] pci_bus 0000:00: root bus resource [mem 0x000dc000-0x000dffff window] [ 0.499637] pci_bus 0000:00: root bus resource [mem 0x000e0000-0x000e3fff window] [ 0.499990] pci_bus 0000:00: root bus resource [mem 0x000e4000-0x000e7fff window] [ 0.500636] pci_bus 0000:00: root bus resource [mem 0x000e8000-0x000ebfff window] [ 0.500990] pci_bus 0000:00: root bus resource [mem 0x000ec000-0x000effff window] [ 0.501636] pci_bus 0000:00: root bus resource [mem 0x000f0000-0x000fffff window] [ 0.502992] pci_bus 0000:00: root bus resource [mem 0x80000001-0xdfffffff window] [ 0.503639] pci_bus 0000:00: root bus resource [mem 0x800000000-0xbffffffff window] [ 0.503991] pci_bus 0000:00: root bus resource [mem 0xfd000000-0xfe7fffff window] [ 0.504637] pci_bus 0000:00: root bus resource [mem 0xfed40000-0xfed44fff window] [ 0.504991] pci_bus 0000:00: root bus resource [bus 00-ff] [ 0.505573] pci 0000:00:00.0: [8086:590c] type 00 class 0x060000 [ 0.507260] pci 0000:00:02.0: [8086:591c] type 00 class 0x030000 [ 0.507811] pci 0000:00:02.0: reg 0x10: [mem 0xd0000000-0xd0ffffff 64bit] [ 0.509011] pci 0000:00:02.0: reg 0x18: [mem 0xc0000000-0xcfffffff 64bit pref] [ 0.509648] pci 0000:00:02.0: reg 0x20: [io 0x1c00-0x1c3f] [ 0.510884] pci 0000:00:04.0: [8086:1903] type 00 class 0x118000 [ 0.511021] pci 0000:00:04.0: reg 0x10: [mem 0xd1120000-0xd1127fff 64bit] [ 0.512668] pci 0000:00:08.0: [8086:1911] type 00 class 0x088000 [ 0.514024] pci 0000:00:08.0: reg 0x10: [mem 0xd1130000-0xd1130fff 64bit] [ 0.515525] pci 0000:00:14.0: [8086:9d2f] type 00 class 0x0c0330 [ 0.516034] pci 0000:00:14.0: reg 0x10: [mem 0xd1100000-0xd110ffff 64bit] [ 0.516795] pci 0000:00:14.0: PME# supported from D3hot D3cold [ 0.518055] pci 0000:00:14.2: [8086:9d31] type 00 class 0x118000 [ 0.518622] pci 0000:00:14.2: reg 0x10: [mem 0xd1131000-0xd1131fff 64bit] [ 0.519923] pci 0000:00:15.0: [8086:9d60] type 00 class 0x118000 [ 0.521044] pci 0000:00:15.0: reg 0x10: [mem 0xd1132000-0xd1132fff 64bit] [ 0.522745] pci 0000:00:15.1: [8086:9d61] type 00 class 0x118000 [ 0.523042] pci 0000:00:15.1: reg 0x10: [mem 0xd1133000-0xd1133fff 64bit] [ 0.524776] pci 0000:00:19.0: [8086:9d66] type 00 class 0x118000 [ 0.525043] pci 0000:00:19.0: reg 0x10: [mem 0xfe034000-0xfe034fff 64bit] [ 0.525663] pci 0000:00:19.0: reg 0x18: [mem 0xd1135000-0xd1135fff 64bit] [ 0.528099] pci 0000:00:19.1: [8086:9d65] type 00 class 0x118000 [ 0.528674] pci 0000:00:19.1: reg 0x10: [mem 0xd1136000-0xd1136fff 64bit] [ 0.530150] pci 0000:00:1c.0: [8086:9d10] type 01 class 0x060400 [ 0.530906] pci 0000:00:1c.0: PME# supported from D0 D3hot D3cold [ 0.532064] pci 0000:00:1e.0: [8086:9d27] type 00 class 0x118000 [ 0.532637] pci 0000:00:1e.0: reg 0x10: [mem 0xd1137000-0xd1137fff 64bit] [ 0.534113] pci 0000:00:1e.2: [8086:9d29] type 00 class 0x118000 [ 0.534684] pci 0000:00:1e.2: reg 0x10: [mem 0xd1138000-0xd1138fff 64bit] [ 0.537103] pci 0000:00:1e.4: [8086:9d2b] type 00 class 0x080501 [ 0.537668] pci 0000:00:1e.4: reg 0x10: [mem 0xd1139000-0xd1139fff 64bit] [ 0.539258] pci 0000:00:1e.6: [8086:9d2d] type 00 class 0x080501 [ 0.539827] pci 0000:00:1e.6: reg 0x10: [mem 0xd113a000-0xd113afff 64bit] [ 0.541076] pci 0000:00:1f.0: [8086:9d4b] type 00 class 0x060100 [ 0.542667] pci 0000:00:1f.2: [8086:9d21] type 00 class 0x058000 [ 0.544029] pci 0000:00:1f.2: reg 0x10: [mem 0xd1128000-0xd112bfff] [ 0.545618] pci 0000:00:1f.3: [8086:9d71] type 00 class 0x040100 [ 0.546041] pci 0000:00:1f.3: reg 0x10: [mem 0xd112c000-0xd112ffff 64bit] [ 0.546693] pci 0000:00:1f.3: reg 0x20: [mem 0xd1110000-0xd111ffff 64bit] [ 0.547117] pci 0000:00:1f.3: PME# supported from D3hot D3cold [ 0.548690] pci 0000:00:1f.4: [8086:9d23] type 00 class 0x0c0500 [ 0.549061] pci 0000:00:1f.4: reg 0x10: [mem 0xd113c000-0xd113c0ff 64bit] [ 0.549727] pci 0000:00:1f.4: reg 0x20: [io 0xefa0-0xefbf] [ 0.552000] pci 0000:00:1f.5: [8086:9d24] type 00 class 0x000000 [ 0.552560] pci 0000:00:1f.5: reg 0x10: [mem 0xfe010000-0xfe010fff] [ 0.554681] pci 0000:01:00.0: [8086:095a] type 00 class 0x028000 [ 0.555934] pci 0000:01:00.0: reg 0x10: [mem 0xd1000000-0xd1001fff 64bit] [ 0.561236] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold [ 0.564291] pci 0000:00:1c.0: PCI bridge to [bus 01] [ 0.564746] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] [ 0.566790] ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.567379] ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 *10 12 14 15) [ 0.568370] ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.570372] ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.571367] ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.572367] ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.573385] ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.574393] ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.582784] ACPI: EC: interrupt unblocked [ 0.582989] ACPI: EC: event unblocked [ 0.583336] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.583788] ACPI: EC: GPE=0x6e [ 0.583996] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC initialization complete [ 0.584609] ACPI: \_SB_.PCI0.LPCB.EC0_: EC: Used to handle transactions and events [ 0.586057] iommu: Default domain type: Translated [ 0.587223] pci 0000:00:02.0: vgaarb: setting as boot VGA device [ 0.587628] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 0.588019] pci 0000:00:02.0: vgaarb: bridge control possible [ 0.588522] vgaarb: loaded [ 0.589469] SCSI subsystem initialized [ 0.590234] ACPI: bus type USB registered [ 0.590752] usbcore: registered new interface driver usbfs [ 0.591073] usbcore: registered new interface driver hub [ 0.591590] usbcore: registered new device driver usb [ 0.592148] pps_core: LinuxPPS API ver. 1 registered [ 0.592586] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 0.594011] PTP clock support registered [ 0.595052] Advanced Linux Sound Architecture Driver Initialized. [ 0.596847] NetLabel: Initializing [ 0.596995] NetLabel: domain hash size = 128 [ 0.597383] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 0.597969] NetLabel: unlabeled traffic allowed by default [ 0.599154] PCI: Using ACPI for IRQ routing [ 0.607445] clocksource: Switched to clocksource tsc-early [ 1.097089] VFS: Disk quotas dquot_6.6.0 [ 1.097499] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 1.098582] pnp: PnP ACPI init [ 1.099865] system 00:00: [mem 0xfed10000-0xfed17fff] has been reserved [ 1.100471] system 00:00: [mem 0xfed18000-0xfed18fff] has been reserved [ 1.101066] system 00:00: [mem 0xfed19000-0xfed19fff] has been reserved [ 1.101643] system 00:00: [mem 0xe0000000-0xe3ffffff] has been reserved [ 1.102244] system 00:00: [mem 0xfed20000-0xfed3ffff] has been reserved [ 1.102823] system 00:00: [mem 0xfed90000-0xfed93fff] could not be reserved [ 1.103445] system 00:00: [mem 0xfed45000-0xfed8ffff] could not be reserved [ 1.104068] system 00:00: [mem 0xff000000-0xffffffff] has been reserved [ 1.104646] system 00:00: [mem 0xfee00000-0xfeefffff] has been reserved [ 1.105239] system 00:00: [mem 0xfed00000-0xfed003ff] has been reserved [ 1.106967] system 00:01: [io 0x1800-0x18fe] has been reserved [ 1.107981] system 00:03: [io 0x0900-0x09fe] has been reserved [ 1.108828] system 00:04: [io 0x0200] has been reserved [ 1.109320] system 00:04: [io 0x0204] has been reserved [ 1.109790] system 00:04: [io 0x0800-0x087f] has been reserved [ 1.110327] system 00:04: [io 0x0880-0x08ff] has been reserved [ 1.113764] pnp: PnP ACPI: found 6 devices [ 1.131385] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 1.132303] NET: Registered protocol family 2 [ 1.132869] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear) [ 1.135391] tcp_listen_portaddr_hash hash table entries: 2048 (order: 5, 163840 bytes, linear) [ 1.136404] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear) [ 1.137373] TCP bind hash table entries: 32768 (order: 9, 2359296 bytes, linear) [ 1.140098] TCP: Hash tables configured (established 32768 bind 32768) [ 1.141034] MPTCP token hash table entries: 4096 (order: 6, 360448 bytes, linear) [ 1.142015] UDP hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 1.142903] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 1.143979] NET: Registered protocol family 1 [ 1.145206] RPC: Registered named UNIX socket transport module. [ 1.145765] RPC: Registered udp transport module. [ 1.146203] RPC: Registered tcp transport module. [ 1.146619] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 1.147856] NET: Registered protocol family 44 [ 1.148295] pci 0000:00:1c.0: PCI bridge to [bus 01] [ 1.148750] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] [ 1.149375] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 1.149911] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 1.150461] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 1.151140] pci_bus 0000:00: resource 7 [mem 0x000c0000-0x000c3fff window] [ 1.151735] pci_bus 0000:00: resource 8 [mem 0x000c4000-0x000c7fff window] [ 1.152345] pci_bus 0000:00: resource 9 [mem 0x000c8000-0x000cbfff window] [ 1.152940] pci_bus 0000:00: resource 10 [mem 0x000cc000-0x000cffff window] [ 1.153555] pci_bus 0000:00: resource 11 [mem 0x000d0000-0x000d3fff window] [ 1.154171] pci_bus 0000:00: resource 12 [mem 0x000d4000-0x000d7fff window] [ 1.154774] pci_bus 0000:00: resource 13 [mem 0x000d8000-0x000dbfff window] [ 1.155388] pci_bus 0000:00: resource 14 [mem 0x000dc000-0x000dffff window] [ 1.156049] pci_bus 0000:00: resource 15 [mem 0x000e0000-0x000e3fff window] [ 1.156651] pci_bus 0000:00: resource 16 [mem 0x000e4000-0x000e7fff window] [ 1.157267] pci_bus 0000:00: resource 17 [mem 0x000e8000-0x000ebfff window] [ 1.157870] pci_bus 0000:00: resource 18 [mem 0x000ec000-0x000effff window] [ 1.158485] pci_bus 0000:00: resource 19 [mem 0x000f0000-0x000fffff window] [ 1.159102] pci_bus 0000:00: resource 20 [mem 0x80000001-0xdfffffff window] [ 1.159705] pci_bus 0000:00: resource 21 [mem 0x800000000-0xbffffffff window] [ 1.160335] pci_bus 0000:00: resource 22 [mem 0xfd000000-0xfe7fffff window] [ 1.160937] pci_bus 0000:00: resource 23 [mem 0xfed40000-0xfed44fff window] [ 1.161553] pci_bus 0000:01: resource 1 [mem 0xd1000000-0xd10fffff] [ 1.162680] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 1.165887] PCI: CLS 64 bytes, default 64 [ 1.166698] Unpacking initramfs... [ 1.498522] Freeing initrd memory: 8236K [ 1.499037] DMAR: Host address width 39 [ 1.499414] DMAR: DRHD base: 0x000000fed90000 flags: 0x0 [ 1.499950] DMAR: dmar0: reg_base_addr fed90000 ver 1:0 cap 1c0000c40660462 ecap 19e2ff0505e [ 1.500699] DMAR: RMRR base: 0x0000007b800000 end: 0x0000007fffffff [ 1.501359] DMAR: DRHD base: 0x000000fed91000 flags: 0x1 [ 1.501847] DMAR: dmar1: reg_base_addr fed91000 ver 1:0 cap d2008c40660462 ecap f050da [ 1.502653] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 1.503233] software IO TLB: mapped [mem 0x0000000076998000-0x000000007a998000] (64MB) [ 1.504141] RAPL PMU: API unit is 2^-32 Joules, 5 fixed counters, 655360 ms ovfl timer [ 1.504826] RAPL PMU: hw unit of domain pp0-core 2^-14 Joules [ 1.505351] RAPL PMU: hw unit of domain package 2^-14 Joules [ 1.505847] RAPL PMU: hw unit of domain dram 2^-14 Joules [ 1.506338] RAPL PMU: hw unit of domain pp1-gpu 2^-14 Joules [ 1.506832] RAPL PMU: hw unit of domain psys 2^-14 Joules [ 1.509428] kvm: already loaded the other module [ 1.525690] check: Scanning for low memory corruption every 60 seconds [ 1.530190] Initialise system trusted keyrings [ 1.530831] workingset: timestamp_bits=56 max_order=20 bucket_order=0 [ 1.555612] NFS: Registering the id_resolver key type [ 1.556125] Key type id_resolver registered [ 1.556526] Key type id_legacy registered [ 1.577605] Key type asymmetric registered [ 1.578027] Asymmetric key parser 'x509' registered [ 1.578520] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249) [ 1.579197] io scheduler mq-deadline registered [ 1.579600] io scheduler kyber registered [ 1.580244] test_firmware: interface ready [ 1.582499] pcieport 0000:00:1c.0: PME: Signaling with IRQ 120 [ 1.584577] ACPI: AC Adapter [AC] (on-line) [ 1.585434] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/PNP0C0D:00/input/input0 [ 1.587289] ACPI: Lid Switch [LID0] [ 1.587932] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input1 [ 1.588896] ACPI: Power Button [PWRF] [ 1.589747] ACPI: \_PR_.CP00: Found 3 idle states [ 1.591214] ACPI: \_PR_.CP01: Found 3 idle states [ 1.592348] ACPI: \_PR_.CP02: Found 3 idle states [ 1.593524] ACPI: \_PR_.CP03: Found 3 idle states [ 1.595697] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 1.599930] hpet_acpi_add: no address or irqs in _CRS [ 1.600545] battery: ACPI: Battery Slot [BAT0] (battery present) [ 1.600682] Non-volatile memory driver v1.3 [ 1.601670] Linux agpgart interface v0.103 [ 1.605300] i915 0000:00:02.0: vgaarb: deactivate vga console [ 1.658237] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem [ 1.660058] i915 0000:00:02.0: [drm] Finished loading DMC firmware i915/kbl_dmc_ver1_04.bin (v1.4) [ 1.702320] [drm] Initialized i915 1.6.0 20200917 for 0000:00:02.0 on minor 0 [ 1.706855] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 1 [ 1.729249] loop: module loaded [ 1.730644] lkdtm: No crash points registered, enable through debugfs [ 1.760322] printk: console [ttyS0] disabled [ 1.761812] dw-apb-uart.2: ttyS0 at MMIO 0xfe034000 (irq = 32, base_baud = 115200) is a 16550A [ 2.563226] tsc: Refined TSC clocksource calibration: 1608.000 MHz [ 2.563537] printk: console [ttyS0] enabled [ 2.575222] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x172daa3a18b, max_idle_ns: 440795212390 ns [ 2.600088] dw-apb-uart.4: ttyS1 at MMIO 0xd1137000 (irq = 20, base_baud = 115200) is a 16550A [ 5.178745] clocksource: Switched to clocksource tsc [ 5.178861] fbcon: i915drmfb (fb0) is primary device [ 5.181511] pxa2xx-spi pxa2xx-spi.5: no DMA channels available, using PIO [ 5.191944] e100: Intel(R) PRO/100 Network Driver [ 5.191949] e100: Copyright(c) 1999-2006 Intel Corporation [ 5.192059] e1000: Intel(R) PRO/1000 Network Driver [ 5.192062] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 5.192162] e1000e: Intel(R) PRO/1000 Network Driver [ 5.192165] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 5.192271] sky2: driver version 1.30 [ 5.192665] usbcore: registered new interface driver r8152 [ 5.193342] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 5.193414] ehci-pci: EHCI PCI platform driver [ 5.193564] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 5.193594] ohci-pci: OHCI PCI platform driver [ 5.193880] uhci_hcd: USB Universal Host Controller Interface driver [ 5.193954] tpm_tis_spi spi-PRP0001:00: TPM ready IRQ confirmed on attempt 2 [ 5.196259] xhci_hcd 0000:00:14.0: xHCI Host Controller [ 5.198115] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 1 [ 5.199754] xhci_hcd 0000:00:14.0: hcc params 0x200077c1 hci version 0x100 quirks 0x0000000081109810 [ 5.199894] xhci_hcd 0000:00:14.0: cache line size of 64 is not supported [ 5.204293] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10 [ 5.204353] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 5.204361] usb usb1: Product: xHCI Host Controller [ 5.204368] usb usb1: Manufacturer: Linux 5.10.162-cip23 xhci-hcd [ 5.204375] usb usb1: SerialNumber: 0000:00:14.0 [ 5.207565] hub 1-0:1.0: USB hub found [ 5.207892] hub 1-0:1.0: 12 ports detected [ 5.216376] xhci_hcd 0000:00:14.0: xHCI Host Controller [ 5.217198] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 2 [ 5.217220] xhci_hcd 0000:00:14.0: Host supports USB 3.0 SuperSpeed [ 5.217946] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.10 [ 5.217980] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 5.218013] usb usb2: Product: xHCI Host Controller [ 5.218019] usb usb2: Manufacturer: Linux 5.10.162-cip23 xhci-hcd [ 5.218025] usb usb2: SerialNumber: 0000:00:14.0 [ 5.218316] tpm_tis_spi spi-PRP0001:00: 2.0 TPM (device-id 0x28, rev-id 0) [ 5.220578] hub 2-0:1.0: USB hub found [ 5.220772] hub 2-0:1.0: 6 ports detected [ 5.225394] usbcore: registered new interface driver usblp [ 5.225575] usbcore: registered new interface driver usb-storage [ 5.226012] Console: switching to colour frame buffer device 240x67 [ 5.226630] udc-core: couldn't find an available UDC - added [g_ether] to list of pending drivers [ 5.226842] i8042: PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1 [ 5.226849] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp [ 5.227904] i8042: Warning: Keylock active [ 5.228362] serio: i8042 KBD port at 0x60,0x64 irq 1 [ 5.231567] rtc_cmos 00:02: RTC can wake from S4 [ 5.234274] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input2 [ 5.235128] rtc_cmos 00:02: registered as rtc0 [ 5.235496] rtc_cmos 00:02: alarms up to one month, 242 bytes nvram [ 5.237350] i801_smbus 0000:00:1f.4: SPD Write Disable is set [ 5.242672] i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device [ 5.248338] i801_smbus 0000:00:1f.4: SMBus using PCI interrupt [ 5.455037] usb 1-3: new full-speed USB device number 2 using xhci_hcd [ 5.456959] i2c i2c-9: 2/2 memory slots populated (from DMI) [ 5.541711] tpm_tis_spi spi-PRP0001:00: Cr50 firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_B:0.5.5/cr50_v1.9308_87_mp.479-d7 [ 5.545127] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com [ 5.597063] usb 1-3: New USB device found, idVendor=8087, idProduct=0a2a, bcdDevice= 0.03 [ 5.603429] intel_pstate: Intel P-state driver initializing [ 5.609826] usb 1-3: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 5.655639] intel_pstate: HWP enabled [ 5.659790] sdhci: Secure Digital Host Controller Interface driver [ 5.666716] sdhci: Copyright(c) Pierre Ossman [ 5.671618] sdhci-pci 0000:00:1e.4: SDHCI controller found [8086:9d2b] (rev 21) [ 5.681056] mmc0: SDHCI controller on PCI [0000:00:1e.4] using ADMA 64-bit [ 5.689001] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.698473] hid: raw HID events driver (C) Jiri Kosina [ 5.704684] usbcore: registered new interface driver usbhid [ 5.710921] usbhid: USB HID core driver [ 5.715278] usb 2-3: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 5.715740] input: Tablet Mode Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/GOOG0006:00/input/input3 [ 5.736871] usb 2-3: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=31.00 [ 5.741217] cros_ec_lpcs GOOG0004:00: Chrome EC device registered [ 5.746083] usb 2-3: New USB device strings: Mfr=1, Product=2, SerialNumber=6 [ 5.753653] snd_hda_intel 0000:00:1f.3: DSP detected with PCI class/subclass/prog-if info 0x040100 [ 5.760866] usb 2-3: Product: USB 10/100/1000 LAN [ 5.771810] ipip: IPv4 and MPLS over IPv4 tunneling driver [ 5.776135] usb 2-3: Manufacturer: Realtek [ 5.776138] usb 2-3: SerialNumber: 001000001 [ 5.782603] gre: GRE over IPv4 demultiplexor driver [ 5.797110] ip_gre: GRE over IPv4 tunneling driver [ 5.802585] snd_hda_intel 0000:00:1f.3: bound 0000:00:02.0 (ops i915_audio_component_bind_ops) [ 5.803630] IPv4 over IPsec tunneling driver [ 5.817326] Initializing XFRM netlink socket [ 5.822661] NET: Registered protocol family 10 [ 5.829101] Segment Routing with IPv6 [ 5.829298] snd_hda_intel 0000:00:1f.3: Cannot probe codecs, giving up [ 5.833886] ip6_gre: GRE over IPv6 tunneling driver [ 5.846344] NET: Registered protocol family 17 [ 5.850076] usb 1-9: new high-speed USB device number 3 using xhci_hcd [ 5.851485] 8021q: 802.1Q VLAN Support v1.8 [ 5.863352] Key type dns_resolver registered [ 5.868860] microcode: sig=0x806e9, pf=0x10, revision=0x98 [ 5.875125] microcode: Microcode Update Driver: v2.2. [ 5.875131] IPI shorthand broadcast: enabled [ 5.885595] sched_clock: Marking stable (5798676868, 86882532)->(5979566583, -94007183) [ 5.894824] registered taskstats version 1 [ 5.899417] Loading compiled-in X.509 certificates [ 5.905738] mmc0: new HS400 MMC card at address 0001 [ 5.906941] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.911976] mmcblk0: mmc0:0001 DA4064 58.2 GiB [ 5.921447] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.929456] mmcblk0boot0: mmc0:0001 DA4064 partition 1 4.00 MiB [ 5.934375] PM: Magic number: 7:604:126 [ 5.939635] mmcblk0boot1: mmc0:0001 DA4064 partition 2 4.00 MiB [ 5.944059] acpi device:01: hash matches [ 5.955180] printk: console [netcon0] enabled [ 5.955246] mmcblk0rpmb: mmc0:0001 DA4064 partition 3 16.0 MiB, chardev (246:0) [ 5.960061] netconsole: network logging started [ 5.999810] mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12 [ 6.015531] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.032080] usb 1-9: New USB device found, idVendor=13d3, idProduct=56d4, bcdDevice=18.07 [ 6.041279] usb 1-9: New USB device strings: Mfr=3, Product=1, SerialNumber=2 [ 6.049277] usb 1-9: Product: USB2.0 HD UVC WebCam [ 6.054643] usb 1-9: Manufacturer: Azurewave [ 6.059447] usb 1-9: SerialNumber: 0x0001 [ 6.076979] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.119319] usb 2-3: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 6.170039] r8152 2-3:1.0: load rtl8153b-2 v1 10/23/19 successfully [ 6.211202] r8152 2-3:1.0 eth0: v1.11.11 [ 6.216342] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.217084] IP-Config: Failed to open gretap0 [ 6.229497] IP-Config: Failed to open erspan0 [ 6.252220] Sending DHCP requests . [ 7.796217] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready [ 7.807813] r8152 2-3:1.0 eth0: carrier on [ 8.737139] ., OK [ 8.745413] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.18 [ 8.754378] IP-Config: Complete: [ 8.758019] device=eth0, hwaddr=00:e0:4c:68:0a:98, ipaddr=192.168.201.18, mask=255.255.255.0, gw=192.168.201.1 [ 8.769692] host=asus-C433TA-AJ0005-rammus-cbg-2, domain=lava-rack, nis-domain=(none) [ 8.778935] bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath= [ 8.778937] nameserver0=192.168.201.1 [ 8.791832] cfg80211: Loading compiled-in X.509 certificates for regulatory database [ 8.803393] modprobe (101) used greatest stack depth: 14208 bytes left [ 8.806572] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' [ 8.818273] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 [ 8.819112] ALSA device list: [ 8.828023] cfg80211: failed to load regulatory.db [ 8.831309] No soundcards found. [ 8.841191] dw-apb-uart dw-apb-uart.2: forbid DMA for kernel console [ 8.851600] Freeing unused kernel image (initmem) memory: 2024K [ 8.870292] Write protecting the kernel read-only data: 28672k [ 8.877960] Freeing unused kernel image (text/rodata gap) memory: 2028K [ 8.885719] Freeing unused kernel image (rodata/data gap) memory: 164K [ 8.893064] Run /init as init process [ 8.901290] mount (110) used greatest stack depth: 13688 bytes left Loading, please wait... Starting version 247.3-7+deb11u1 [ 9.121603] cros-usbpd-notify-acpi GOOG0003:00: Couldn't get Chrome EC device pointer. [ 9.131493] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.164321] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.221085] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.231692] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.241879] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.255653] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.270116] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.280578] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) Begin: Loading essential drivers ... done. Begin: Running /scripts/init-premount ... done. Begin: Mounting root file system ... Begin: Running /scripts/nfs-top ... done. Begin: Running /scripts/nfs-premount ... Waiting up to 60 secs for any ethernet to become available Device /sys/class/net/erspan0 found done. IP-Config: gretap0 hardware address 00:00:00:00:00:00 mtu 1462 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: erspan0 hardware address 00:00:00:00:00:00 mtu 1450 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: eth0 hardware address 00:e0:4c:68:0a:98 mtu 1500 DHCP IP-Config: eth0 complete (dhcp from 192.168.201.1): address: 192.168.201.18 broadcast: 192.168.201.255 netmask: 255.255.255.0 gateway: 192.168.201.1 dns0 : 192.168.201.1 [ 9.373327] ipconfig (169) used greatest stack depth: 13464 bytes left dns1 : 0.0.0.0 host : asus-C433TA-AJ0005-rammus-cbg-2 domain : lava-rack rootserver: 192.168.201.1 rootpath: filename : [ 9.442800] nfsmount (170) 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 [ 10.675693] 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) [ 10.713413] systemd[1]: Detected architecture x86-64. Welcome to Debian GNU/Linux 11 (bullseye)! [ 10.746430] systemd[1]: Set hostname to . [ 11.400732] systemd[1]: Queued start job for default target Graphical Interface. [ 11.412141] systemd[1]: Created slice system-getty.slice. [ OK ] Created slice system-getty.slice. [ 11.428648] systemd[1]: Created slice system-modprobe.slice. [ OK ] Created slice system-modprobe.slice. [ 11.444687] systemd[1]: Created slice system-serial\x2dgetty.slice. [ OK ] Created slice system-serial\x2dgetty.slice. [ 11.461614] systemd[1]: Created slice User and Session Slice. [ OK ] Created slice User and Session Slice. [ 11.477558] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [ OK ] Started Dispatch Password …ts to Console Directory Watch. [ 11.496445] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [ OK ] Started Forward Password R…uests to Wall Directory Watch. [ 11.518235] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point. [ OK ] Set up automount Arbitrary…s File System Automount Point. [ 11.541377] systemd[1]: Reached target Local Encrypted Volumes. [ OK ] Reached target Local Encrypted Volumes. [ 11.557297] systemd[1]: Reached target Paths. [ OK ] Reached target Paths. [ 11.568253] systemd[1]: Reached target Remote File Systems. [ OK ] Reached target Remote File Systems. [ 11.584328] systemd[1]: Reached target Slices. [ OK ] Reached target Slices. [ 11.595251] systemd[1]: Reached target Swap. [ OK ] Reached target Swap. [ 11.606566] systemd[1]: Listening on initctl Compatibility Named Pipe. [ OK ] Listening on initctl Compatibility Named Pipe. [ 11.624474] systemd[1]: Listening on Journal Audit Socket. [ OK ] Listening on Journal Audit Socket. [ 11.641317] systemd[1]: Listening on Journal Socket (/dev/log). [ OK ] Listening on Journal Socket (/dev/log). [ 11.657668] systemd[1]: Listening on Journal Socket. [ OK ] Listening on Journal Socket. [ 11.673342] systemd[1]: Listening on Network Service Netlink Socket. [ OK ] Listening on Network Service Netlink Socket. [ 11.693236] systemd[1]: Listening on udev Control Socket. [ OK ] Listening on udev Control Socket. [ 11.708615] systemd[1]: Listening on udev Kernel Socket. [ OK ] Listening on udev Kernel Socket. [ 11.726235] systemd[1]: Mounting Huge Pages File System... Mounting Huge Pages File System... [ 11.742892] systemd[1]: Mounting POSIX Message Queue File System... Mounting POSIX Message Queue File System... [ 11.760895] systemd[1]: Mounting Kernel Debug File System... Mounting Kernel Debug File System... [ 11.777891] systemd[1]: Mounting Kernel Trace File System... Mounting Kernel Trace File System... [ 11.800267] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting Create list of st…odes for the current kernel... [ 11.820923] systemd[1]: Starting Load Kernel Module configfs... Starting Load Kernel Module configfs... [ 11.831468] mount (200) used greatest stack depth: 12624 bytes left [ 11.842643] systemd[1]: Starting Load Kernel Module drm... Starting Load Kernel Module drm... [ 11.856732] systemd[1]: Starting Load Kernel Module fuse... Starting Load Kernel Module fuse... [ 11.897178] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. [ 11.907643] fuse: init (API version 7.32) [ 11.913867] systemd[1]: Starting Journal Service... Starting Journal Service... [ 11.931511] systemd[1]: Starting Load Kernel Modules... Starting Load Kernel Modules... [ 11.944785] systemd[1]: Starting Remount Root and Kernel File Systems... Starting Remount Root and Kernel File Systems... [ 11.965608] systemd[1]: Starting Coldplug All udev Devices... Starting Coldplug All udev Devices... [ 11.983877] systemd[1]: Mounted Huge Pages File System. [ OK ] Mounted Huge Pages File System. [ 12.000522] systemd[1]: Mounted POSIX Message Queue File System. [ OK ] Mounted POSIX Message Queue File System. [ 12.016412] systemd[1]: Mounted Kernel Debug File System. [ OK ] Mounted Kernel Debug File System. [ 12.032378] systemd[1]: Mounted Kernel Trace File System. [ OK ] Mounted Kernel Trace File System. [ 12.048324] systemd[1]: Finished Create list of static device nodes for the current kernel. [ OK ] Finished Create list of st… nodes for the current kernel. [ 12.070039] systemd[1]: modprobe@configfs.service: Succeeded. [ 12.077123] systemd[1]: Finished Load Kernel Module configfs. [ OK ] Finished Load Kernel Module configfs. [ 12.093096] systemd[1]: modprobe@drm.service: Succeeded. [ 12.099871] systemd[1]: Finished Load Kernel Module drm. [ OK ] Finished Load Kernel Module drm. [ 12.116100] systemd[1]: modprobe@fuse.service: Succeeded. [ 12.123011] systemd[1]: Finished Load Kernel Module fuse. [ OK ] Finished Load Kernel Module fuse. [ 12.139149] systemd[1]: Finished Load Kernel Modules. [ OK ] Finished Load Kernel Modules. [ 12.154800] systemd[1]: Started Journal Service. [ OK ] Started Journal Service. [ OK ] Finished Remount Root and Kernel File Systems. Mounting FUSE Control File System... Mounting Kernel Configuration File System... Starting Flush Journal to Persistent Storage... Starting Load/Save Random Seed... Starting Apply Kernel Variables... Starting Create System Users... [ 12.238306] systemd-journald[206]: Received client request to flush runtime journal. [ OK ] Mounted FUSE Control File System. [ OK ] Mounted Kernel Configuration File System. [ OK ] Finished Load/Save Random Seed. [ OK ] Finished Apply Kernel Variables. [ OK ] Finished Coldplug All udev Devices. [ OK ] Finished Create System Users. Starting Create Static Device Nodes in /dev... [ OK ] Finished Flush Journal to Persistent Storage. [ 13.760319] systemd-tmpfile (217) used greatest stack depth: 12528 bytes left [ OK ] Finished Create Static Device Nodes in /dev. [ OK ] Reached target Local File Systems (Pre). [ OK ] Reached target Local File Systems. Starting Create Volatile Files and Directories... Starting Rule-based Manage…for Device Events and Files... [ OK ] Started Rule-based Manager for Device Events and Files. Starting Network Service... [ OK ] Finished Create Volatile Files and Directories. Starting Network Time Synchronization... Starting Update UTMP about System Boot/Shutdown... [ OK ] Found device Sunrise Point-LP Serial IO UART Controller. [ OK ] Finished Update UTMP about System Boot/Shutdown. [ OK ] Created slice system-systemd\x2dbacklight.slice. [ OK ] Listening on Load/Save RF …itch Status /dev/rfkill Watch. Starting Load/Save Screen …f backlight:intel_backlight... [ OK ] Finished Load/Save Screen … of backlight:intel_backlight. [ OK ] Started Network Time Synchronization. [ OK ] Reached target System Initialization. [ OK ] Started Daily Cleanup of Temporary Directories. [ OK ] Reached target System Time Set. [ OK ] Reached target System Time Synchronized. [ OK ] Started Daily apt download activities. [ OK ] Started Daily apt upgrade and clean activities. [ OK ] Started Periodic ext4 Onli…ata Check for All Filesystems. [ OK ] Started Discard unused blocks once a week. [ OK ] Reached target Timers. [ OK ] Listening on D-Bus System Message Bus Socket. [ OK ] Reached target Sockets. [ OK ] Reached target Basic System. [ OK ] Started D-Bus System Message Bus. Starting Remove Stale Onli…t4 Metadata Check Snapshots... Starting User Login Management... [ OK ] Started Network Service. Starting Network Name Resolution... [ OK ] Finished Remove Stale Onli…ext4 Metadata Check Snapshots. [ OK ] Started User Login Management. [ OK ] Started Network Name Resolution. [ OK ] Reached target Network. [ OK ] Reached target Host and Network Name Lookups. Starting Permit User Sessions... [ OK ] Finished Permit User Sessions. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttyS0. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Finished Update UTMP about System Runlevel Changes. Debian GNU/Linux 11 debian-bullseye-amd64 ttyS0 debian-bullseye-amd64 login: root (automatic login) Linux debian-bullseye-amd64 5.10.162-cip23 #1 SMP Wed Jan 4 11:58:25 UTC 2023 x86_64 The programs included with the Debian GNU/Linux system are free software; the exact distribution terms for each program are described in the individual files in /usr/share/doc/*/copyright. Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent permitted by applicable law. / # / # export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/8570446/extract-nfsrootfs-rniv5kol' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/8570446/extract-nfsrootfs-rniv5kol' / # 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-8570446/environment . /lava-8570446/environment / # /lava-8570446/bin/lava-test-runner /lava-8570446/0 /lava-8570446/bin/lava-test-runner /lava-8570446/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-8570446/0/tests/0_timesync-off ++ cat uuid + UUID=8570446_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-8570446/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=8570446_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-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.161-cip23-65-gca8c192cb189/x86_64/x86_64_defconfig+x86-chromebook+kselftest/gcc-10/kselftest.tar.xz -L '' -S skipfile-lkft.yaml -b asus-C433TA-AJ0005-rammus -g cip-gitlab -e '' -p /opt/kselftests/mainline/ -n 1 -i 1 INFO: Generating a skipfile based on /lava-8570446/0/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. --2023-01-04 12:07:21-- http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.161-cip23-65-gca8c192cb189/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: 3538644 (3.4M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 1%[ ] 50.15K 175KB/s kselftest.tar.xz 6%[> ] 217.50K 379KB/s kselftest.tar.xz 25%[====> ] 894.83K 1.02MB/s kselftest.tar.xz 39%[======> ] 1.34M 1.25MB/s kselftest.tar.xz 94%[=================> ] 3.17M 2.32MB/s kselftest.tar.xz 100%[===================>] 3.37M 2.45MB/s in 1.4s 2023-01-04 12:07:23 (2.45 MB/s) - 'kselftest.tar.xz' saved [3538644/3538644] 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 =============== [ 47.382972] kselftest: Running tests in lkdtm TAP version 13 1..70 # selftests: lkdtm: PANIC.sh # Skipping PANIC: crashes entire system ok 1 selftests: lkdtm: PANIC.sh # SKIP # selftests: lkdtm: BUG.sh [ 47.595705] lkdtm: Performing direct entry BUG [ 47.600774] ------------[ cut here ]------------ [ 47.605966] kernel BUG at drivers/misc/lkdtm/bugs.c:76! [ 47.611838] invalid opcode: 0000 [#1] SMP PTI [ 47.616710] CPU: 3 PID: 741 Comm: cat Tainted: G W 5.10.162-cip23 #1 [ 47.625260] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 47.632075] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 47.636445] Code: 89 ff e8 1e 77 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 a0 93 93 02 [ 47.657429] RSP: 0018:ffffa7e001487e60 EFLAGS: 00010282 [ 47.663264] RAX: ffffffff846e32b0 RBX: 0000000000000001 RCX: 0000000000000000 [ 47.671233] RDX: 0000000000000000 RSI: ffff9d353ad9bf70 RDI: ffffffff854d0d90 [ 47.679202] RBP: ffffffff85917418 R08: 0000000000000001 R09: 0000000000000001 [ 47.687171] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 47.695142] R13: ffffa7e001487f10 R14: ffffa7e001487f10 R15: ffff9d34c473d000 [ 47.703104] FS: 00007fb6cd70e580(0000) GS:ffff9d353ad80000(0000) knlGS:0000000000000000 [ 47.712143] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.718558] CR2: 00007fb6cd517000 CR3: 0000000102958001 CR4: 00000000003706e0 [ 47.726528] Call Trace: [ 47.729256] direct_entry.cold+0x2c/0x38 [ 47.733634] full_proxy_write+0x53/0x80 [ 47.737923] vfs_write+0xe7/0x3a0 [ 47.741622] ksys_write+0x68/0xf0 [ 47.745322] do_syscall_64+0x30/0x40 [ 47.749312] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 47.754953] RIP: 0033:0x7fb6cd624833 [ 47.758942] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 47.779918] RSP: 002b:00007ffcedc2c328 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 47.788376] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fb6cd624833 [ 47.796346] RDX: 0000000000000004 RSI: 00007fb6cd517000 RDI: 0000000000000001 [ 47.804318] RBP: 00007fb6cd517000 R08: 00007fb6cd516010 R09: 0000000000000000 [ 47.812278] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 47.820249] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 47.828213] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 47.854689] ---[ end trace 05348d993f728f56 ]--- [ 47.859861] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 47.864244] Code: 89 ff e8 1e 77 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 a0 93 93 02 [ 47.885262] RSP: 0018:ffffa7e001487e60 EFLAGS: 00010282 [ 47.891132] RAX: ffffffff846e32b0 RBX: 0000000000000001 RCX: 0000000000000000 [ 47.899134] RDX: 0000000000000000 RSI: ffff9d353ad9bf70 RDI: ffffffff854d0d90 [ 47.907139] RBP: ffffffff85917418 R08: 0000000000000001 R09: 0000000000000001 [ 47.915143] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 47.923146] R13: ffffa7e001487f10 R14: ffffa7e001487f10 R15: ffff9d34c473d000 [ 47.931152] FS: 00007fb6cd70e580(0000) GS:ffff9d353ad80000(0000) knlGS:0000000000000000 [ 47.940224] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.946674] CR2: 00007fb6cd517000 CR3: 0000000102958001 CR4: 00000000003706e0 # Segmentation fault # [ 47.595705] lkdtm: Performing direct entry BUG # [ 47.600774] ------------[ cut here ]------------ # [ 47.605966] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 47.611838] invalid opcode: 0000 [#1] SMP PTI # [ 47.616710] CPU: 3 PID: 741 Comm: cat Tainted: G W 5.10.162-cip23 #1 # [ 47.625260] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 47.632075] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 47.636445] Code: 89 ff e8 1e 77 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 a0 93 93 02 # [ 47.657429] RSP: 0018:ffffa7e001487e60 EFLAGS: 00010282 # [ 47.663264] RAX: ffffffff846e32[ 48.038321] lkdtm: Performing direct entry WARNING b0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 47.671233][ 48.047455] ------------[ cut here ]------------ RDX: 0000000000000000 RSI: ffff9d353ad9bf70 RDI: ffffffff854d0d[ 48.058855] WARNING: CPU: 0 PID: 777 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 90 # [ 47.679202] RBP: ffffffff85917418 R08: 0000000000000001[ 48.074465] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify R09: 0000000000000001 # [ 47.687171] R10: 00000000ffffe000 R[ 48.107144] CPU: 0 PID: 777 Comm: cat Tainted: G D W 5.10.162-cip23 #1 11: 3fffffffffffffff R12: 0000000000000004 # [ 47.695142] R13[ 48.121923] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 : ffffa7e001487f10 R14: ffffa7e001487f10 R15: ffff9d34c473d000 [ 48.134958] RIP: 0010:lkdtm_WARNING+0x13/0x20 # [ 47.703104] FS: 00007fb6cd70e580(0000) GS:ffff9d353ad80000[ 48.146102] 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 a0 93 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 81 93 (0000) knlGS:0000000000000000 # [ 47.712143] CS: 0010 DS: 00[ 48.173302] RSP: 0018:ffffa7e00152fe60 EFLAGS: 00010202 00 ES: 0000 CR0: 0000000080050033 # [ 47.718558] CR2: 00007fb[ 48.185341] RAX: ffffffff846e32c0 RBX: 0000000000000002 RCX: 0000000000000000 6cd517000 CR3: 0000000102958001 CR4: 00000000003706e0 # [ 47.[ 48.199562] RDX: 0000000000000000 RSI: ffff9d353ac1bf70 RDI: ffffffff854d0da0 726528] Call Trace: # [ 47.729256] direct_entry.cold+0x2c/0x[ 48.213717] RBP: ffffffff858bbc5f R08: 0000000000000000 R09: 0000000000000000 38 # [ 47.733634] full_proxy_write+0x53/0x80 # [ 47.73792[ 48.227938] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 3] vfs_write+0xe7/0x3a0 # [ 47.741622] ksys_write+0x68/0xf0[ 48.242137] R13: ffffa7e00152ff10 R14: ffffa7e00152ff10 R15: ffff9d34c5daa000 # [ 47.745322] do_syscall_64+0x30/0x40 # [ 47.749312] e[ 48.256318] FS: 00007f412dd6a580(0000) GS:ffff9d353ac00000(0000) knlGS:0000000000000000 ntry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 47.754953] RIP: 0[ 48.271551] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 033:0x7fb6cd624833 # [ 47.758942] Code: 8b 15 61 26 0e 00 f7 [ 48.284156] CR2: 00007f412db73000 CR3: 0000000104e24006 CR4: 00000000003706f0 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 0[ 48.298441] Call Trace: 0 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 [ 48.307318] direct_entry.cold+0x2c/0x38 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 47.779918] R[ 48.317917] full_proxy_write+0x53/0x80 SP: 002b:00007ffcedc2c328 EFLAGS: 00000246 ORIG_RAX: 00000000000[ 48.328396] vfs_write+0xe7/0x3a0 00001 # [ 47.788376] RAX: ffffffffffffffda RBX: 0000000000000[ 48.338314] ksys_write+0x68/0xf0 004 RCX: 00007fb6cd624833 # [ 47.796346] RDX: 000000000000000[ 48.348249] do_syscall_64+0x30/0x40 4 RSI: 00007fb6cd517000 RDI: 0000000000000001 # [ 47.804318] [ 48.358450] entry_SYSCALL_64_after_hwframe+0x61/0xc6 RBP: 00007fb6cd517000 R08: 00007fb6cd516010 R09: 000000000000000[ 48.370337] RIP: 0033:0x7f412dc80833 0 # [ 47.812278] R10: fffffffffffffbc5 R11: 0000000000000246 [ 48.380518] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 R12: 0000000000000001 # [ 47.820249] R13: 0000000000000001 R1[ 48.407725] RSP: 002b:00007fffb7516cc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 4: 0000000000020000 R15: 0000000000020000 # [ 47.828213] Modu[ 48.422388] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f412dc80833 les linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_co[ 48.436577] RDX: 0000000000000008 RSI: 00007f412db73000 RDI: 0000000000000001 re industrialio_triggered_buffer kfifo_buf industrialio cros_ec_[ 48.450773] RBP: 00007f412db73000 R08: 00007f412db72010 R09: 0000000000000000 chardev cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_s[ 48.464979] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 ensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [[ 48.479168] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 47.854689] ---[ end trace 05348d993f728f56 ]--- # [ 47.859[ 48.493368] irq event stamp: 0 861] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 47.864244] Code: 89 ff [ 48.503014] hardirqs last enabled at (0): [<0000000000000000>] 0x0 e8 1e 77 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c[ 48.516242] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b [ 48.531614] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 93 93 02 # [[ 48.546973] softirqs last disabled at (0): [<0000000000000000>] 0x0 47.885262] RSP: 0018:ffffa7e001487e60 EFLAGS: 00010282 # [ [ 48.560211] ---[ end trace 05348d993f728f57 ]--- 47.891132] RAX: ffffffff846e32b0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 47.899134] RDX: 0000000000000000 RSI: ffff9d353ad9bf70 RDI: ffffffff854d0d90 # [ 47.907139] RBP: ffffffff85917418 R08: 0000000000000001 R09: 0000000000000001 # [ 47.915143] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 47.923146] R13: ffffa7e001487f10 R14: ffffa7e001487f10 R15: ffff9d34c473d000 # [ 47.931152] FS: 00007fb6cd70e580(0000) GS:ffff9d353ad80000(0000) knlGS:0000000000000000 # [ 47.940224] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 47.946674] CR2: 00007fb6cd517000 CR3: 0000000102958001 CR4: 00000000003706e0 # BUG: saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh # [ 48.038321] lkdtm: Performing direct entry WARNING # [ 48.047455] ------------[ cut here ]------------ # [ 48.058855] WARNING: CPU: 0 PID: 777 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 # [ 48.074465] Modules linked in: fuse ip_tables cros_[ 48.670090] lkdtm: Performing direct entry WARNING_MESSAGE [ 48.677133] ------------[ cut here ]------------ [ 48.682320] Warning message trigger count: 2 [ 48.687140] WARNING: CPU: 3 PID: 812 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 [ 48.697362] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kf[ 48.723824] CPU: 3 PID: 812 Comm: cat Tainted: G D W 5.10.162-cip23 #1 ifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_light[ 48.738594] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 bar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_[ 48.751616] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 [ 48.763474] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 81 93 93 02 48 c7 c7 c0 c1 8b 85 8d 70 01 89 35 71 93 93 02 e8 0b 35 66 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 ec_dev cros_usbpd_notify # [ 48.107144] CPU: 0 PID: 777 Comm:[ 48.784474] RSP: 0018:ffffa7e00159fe60 EFLAGS: 00010286 [ 48.796549] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 cat Tainted: G D W 5.10.162-cip23 #1 # [ 48.121[ 48.804536] RDX: ffff9d353adac660 RSI: ffff9d353ad9bf70 RDI: ffff9d353ad9bf70 [ 48.818715] RBP: ffffffff858bbc67 R08: 0000000000000000 R09: 0000000000000000 [ 48.826686] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 [ 48.834659] R13: ffffa7e00159ff10 R14: ffffa7e00159ff10 R15: ffff9d34c4d43000 [ 48.842629] FS: 00007f69c44ba580(0000) GS:ffff9d353ad80000(0000) knlGS:0000000000000000 [ 48.851669] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.858089] CR2: 00007f69c42c3000 CR3: 0000000103076004 CR4: 00000000003706e0 [ 48.866068] Call Trace: [ 48.868790] direct_entry.cold+0x2c/0x38 [ 48.873205] full_proxy_write+0x53/0x80 923] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ [ 48.877514] vfs_write+0xe7/0x3a0 [ 48.887423] ksys_write+0x68/0xf0 [ 48.891125] do_syscall_64+0x30/0x40 [ 48.895117] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 48.900760] RIP: 0033:0x7f69c43d0833 [ 48.904750] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 48.925738] RSP: 002b:00007fff9c4cc388 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 48.934198] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f69c43d0833 [ 48.942170] RDX: 0000000000000010 RSI: 00007f69c42c3000 RDI: 0000000000000001 [ 48.950142] RBP: 00007f69c42c3000 R08: 00007f69c42c2010 R09: 0000000000000000 [ 48.958115] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 48.966087] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 48.974082] irq event stamp: 0 48.134958] RIP: 0010:lkdtm_WARNING+0x13/0x20 # [ 48.146102][ 48.977516] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 48.990729] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 48.999868] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 49.009008] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 49.016010] ---[ end trace 05348d993f728f58 ]--- 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 a0 93 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 81 93 # [ 48.173302] RSP: 0018:ffffa7e00152fe60 EFLAGS: 00010202 # [ 48.185341] RAX: ffffffff846e32c0 RBX: 0000000000000002 RCX: 0000000000000000 # [ 48.199562] RDX: 0000000000000000 RSI: ffff9d353ac1bf70 RDI: ffffffff854d0da0 # [ 48.213717] RBP: ffffffff858bbc5f R08: 0000000000000000 R09: 0000000000000000 # [ 48.227938] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 # [ 48.242137] R13: ffffa7e00152ff10 R14: ffffa7e00152ff10 R15: ffff9d34c5daa000 # [ 48.256318] FS: 00007f412dd6a580(0000) GS:ffff9d353ac00000(0000) knlGS:0000000000000000 # [ 48.271551] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 48.284156] CR2: 00007f412db73000 CR3: 0000000104e24006 CR4: 00000000003706f0 # [ 48.298441] Call Trace: # [ 48.307318] direct_entry.cold+0x2c/0x38 # [ 48.317917] full_proxy_write+0x53/0x80 # [ 48.328396] vfs_write+0xe7/0[ 49.121836] lkdtm: Performing direct entry EXCEPTION [ 49.132516] BUG: kernel NULL pointer dereference, address: 0000000000000000 x3a0 # [ 48.338314] ksys_write+0x68/0xf0 # [ 48.348249] [ 49.140301] #PF: supervisor write access in kernel mode [ 49.152347] #PF: error_code(0x0002) - not-present page [ 49.158084] PGD 0 P4D 0 [ 49.160908] Oops: 0002 [#2] SMP PTI [ 49.164798] CPU: 2 PID: 844 Comm: cat Tainted: G D W 5.10.162-cip23 #1 [ 49.173352] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 49.180159] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 [ 49.185118] Code: 48 c7 c7 c0 c1 8b 85 8d 70 01 89 35 71 93 93 02 e8 0b 35 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 [ 49.206103] RSP: 0018:ffffa7e0015ffe60 EFLAGS: 00010282 [ 49.211937] RAX: ffffffff846e3310 RBX: 0000000000000004 RCX: 0000000000000000 [ 49.219908] RDX: 0000000000000000 RSI: ffff9d353ad1bf70 RDI: ffffffff854d0dc0 [ 49.227876] RBP: ffffffff857f0d4f R08: 0000000000000000 R09: 0000000000000000 [ 49.235844] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 49.243814] R13: ffffa7e0015fff10 R14: ffffa7e0015fff10 R15: ffff9d34c5ce8000 [ 49.251785] FS: 00007f4e71fef580(0000) GS:ffff9d353ad00000(0000) knlGS:0000000000000000 [ 49.260821] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.267237] CR2: 0000000000000000 CR3: 00000001031de006 CR4: 00000000003706e0 [ 49.275206] Call Trace: [ 49.277933] direct_entry.cold+0x2c/0x38 [ 49.282313] full_proxy_write+0x53/0x80 [ 49.286596] vfs_write+0xe7/0x3a0 [ 49.290293] ksys_write+0x68/0xf0 [ 49.293984] do_syscall_64+0x30/0x40 [ 49.297973] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 49.303613] RIP: 0033:0x7f4e71f05833 [ 49.307593] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 49.328566] RSP: 002b:00007ffc60ab4d08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 49.337021] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f4e71f05833 [ 49.344991] RDX: 000000000000000a RSI: 00007f4e71df8000 RDI: 0000000000000001 do_syscall_64+0x30/0x40 # [ 48.358450] entry_SYSCALL_64_afte[ 49.352987] RBP: 00007f4e71df8000 R08: 00007f4e71df7010 R09: 0000000000000000 [ 49.367170] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 49.375142] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 49.383117] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify r_hwframe+0x61/0xc6 # [ 48.370337] RIP: 0033:0x7f412dc80833 [ 49.409575] CR2: 0000000000000000 [ 49.419486] ---[ end trace 05348d993f728f59 ]--- [ 49.424639] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 49.429018] Code: 89 ff e8 1e 77 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 a0 93 93 02 [ 49.450019] RSP: 0018:ffffa7e001487e60 EFLAGS: 00010282 [ 49.455854] RAX: ffffffff846e32b0 RBX: 0000000000000001 RCX: 0000000000000000 [ 49.463825] RDX: 0000000000000000 RSI: ffff9d353ad9bf70 RDI: ffffffff854d0d90 [ 49.471795] RBP: ffffffff85917418 R08: 0000000000000001 R09: 0000000000000001 [ 49.479765] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 49.487735] R13: ffffa7e001487f10 R14: ffffa7e001487f10 R15: ffff9d34c473d000 [ 49.495705] FS: 00007f4e71fef580(0000) GS:ffff9d353ad00000(0000) knlGS:0000000000000000 [ 49.504743] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.511160] CR2: 0000000000000000 CR3: 00000001031de006 CR4: 00000000003706e0 [ 49.519132] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 49.529045] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 844, name: cat [ 49.537403] INFO: lockdep is turned off. [ 49.541778] irq event stamp: 0 [ 49.545184] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 49.552183] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 49.561318] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 49.570454] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 49.577452] CPU: 2 PID: 844 Comm: cat Tainted: G D W 5.10.162-cip23 #1 [ 49.586019] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 49.592824] Call Trace: [ 49.595552] dump_stack+0x77/0x9b [ 49.599250] ___might_sleep.cold+0xa6/0xb6 [ 49.603820] exit_signals+0x1c/0x2e0 [ 49.607801] do_exit+0xc2/0xaf0 [ 49.611305] ? ksys_write+0x68/0xf0 [ 49.615198] rewind_stack_do_exit+0x17/0x20 [ 49.619866] RIP: 0033:0x7f4e71f05833 [ 49.623854] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 49.644838] RSP: 002b:00007ffc60ab4d08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 49.653295] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f4e71f05833 [ 49.661265] RDX: 000000000000000a RSI: 00007f4e71df8000 RDI: 0000000000000001 [ 49.669234] RBP: 00007f4e71df8000 R08: 00007f4e71df7010 R09: 0000000000000000 [ 49.677203] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 49.685174] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 48.380518] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 48.407725] RSP: 002b:00007fffb7516cc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 48.422388] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f412dc80833 # [ 48.436577] RDX: 0000000000000008 RSI: 00007f412db73000 RDI: 0000000000000001 # [ 48.450773] RBP: 00007f412db73000 R08: 00007f412db72010 R09: 0000000000000000 # [ 48.464979] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 48.479168] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 48.493368] irq event stamp: 0 # [ 48.503014] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 48.516242] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 48.531614] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 48.546973] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 48.560211] ---[ end trace 05348d993f728f57 ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ 48.670090] lkdtm: Performing direct entry WARNING_MESSAGE # [ 48.677133] ------------[ cut here ]------------ # [ 48.682320] Warning message trigger count: 2 # [ 48.687140] WARNING: CPU: 3 PID: 812 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 48.697362] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 48.723824] CPU: 3 PID: 812 Comm: cat Tainted: G D W 5.10.162-cip23 #1 # [ 48.738594] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 48.751616] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 48.763474] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 81 93 93 02 48 c7 c7 c0 c1 8b 85 8d 70 01 89 35 71 93 93 02 e8 0b 35 66 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 # [ 48.784474] RSP: 0018:ffffa7e00159fe60 EFLAGS: 00010286 # [ 48.796549] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 # [ 48.804536] RDX: ffff9d353adac660 RSI: ffff9d353ad9bf70 RDI: ffff9d353ad9bf70 # [ 48.818715] RBP: ffffffff858bbc67 R08: 0000000000000000 R09: 0000000000000000 # [ 48.826686] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 # [ 48.834659] R13: ffffa7e00159ff10 R14: ffffa7e00159ff10 R15: ffff9d34c4d43000 # [ 48.842629] FS: 00007f69c44ba580(0000) GS:ffff9d353ad80000(0000) knlGS:[ 49.964626] lkdtm: Performing direct entry CORRUPT_LIST_ADD [ 49.972863] lkdtm: attempting good list addition [ 49.978032] lkdtm: attempting corrupted list addition 0000000000000000 # [ 48.851669] CS: 0010 DS: 0000 ES: 0000 C[ 49.983678] lkdtm: list_add() corruption not detected! R0: 0000000080050033 # [ 48.858089] CR2: 00007f69c42c3000 CR3: 0000000103076004 CR4: 00000000003706e0 # [ 48.866068] Call Trace: # [ 48.868790] direct_entry.cold+0x2c/0x38 # [ 48.873205] full_proxy_write+0x53/0x80 # [ 48.877514] vfs_write+0xe7/0x3a0 # [ 48.887423] ksys_write+0x68/0xf0 # [ 48.891125] do_syscall_64+0x30/0x40 # [ 48.895117] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 48.900760] RIP: 0033:0x7f69c43d0833 # [ 48.904750] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 48.925738] RSP: 002b:00007fff9c4cc388 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 48.934198] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f69c43d0833 # [ 48.942170] RDX: 0000000000000010 RSI: 00007f69c42c3000 RDI: 0000000000000001 # [ 48.950142] RBP: 00007f69c42c3000 R08: 00007f69c42c2010 R09: 0000000000000000 # [ 48.958115] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 48.966087] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 48.974082] irq event stamp: 0 # [ 48.977516] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 48.990729] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 48.999868] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 49.009008] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 49.016010] ---[ end trace 05348d993[ 50.148424] lkdtm: Performing direct entry CORRUPT_LIST_DEL f728f58 ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok 4[ 50.159168] lkdtm: attempting good list removal selftests: lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCEP[ 50.170442] lkdtm: attempting corrupted list removal TION.sh # Killed # [ 49.121836] lkdtm: Performing direct ent[ 50.182202] lkdtm: list_del() corruption not detected! ry EXCEPTION # [ 49.132516] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 49.140301] #PF: supervisor write access in kernel mode # [ 49.152347] #PF: error_code(0x0002) - not-present page # [ 49.158084] PGD 0 P4D 0 # [ 49.160908] Oops: 0002 [#2] SMP PTI # [ 49.164798] CPU: 2 PID: 844 Comm: cat Tainted: G D W 5.10.162-cip23 #1 # [ 49.173352] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 49.180159] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 # [ 49.185118] Code: 48 c7 c7 c0 c1 8b 85 8d 70 01 89 35 71 93 93 02 e8 0b 35 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 # [ 49.206103] RSP: 0018:ffffa7e0015ffe60 EFLAGS: 00010282 # [ 49.211937] RAX: ffffffff846e3310 RBX: 0000000000000004 RCX: 0000000000000000 # [ 49.219908] RDX: 000[ 50.280126] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING 0000000000000 RSI: ffff9d353ad1bf70 RDI: ffffffff854d0dc0 # [ [ 50.288207] lkdtm: attempting bad read from page below current stack 49.227876] RBP: ffffffff857f0d4f R08: 0000000000000000 R09: 000[ 50.301548] BUG: stack guard page was hit at 0000000001afc18f (stack is 0000000046cb2170..000000002d0d80a1) [ 50.318618] kernel stack overflow (page fault): 0000 [#3] SMP PTI 0000000000000 # [ 49.235844] R10: 00000000ffffe000 R11: 3ffff[ 50.325426] CPU: 1 PID: 1069 Comm: cat Tainted: G D W 5.10.162-cip23 #1 [ 50.340287] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 50.347094] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a fffffffffff R12: 000000000000000a # [ 49.243814] R13: ffffa7e[ 50.353608] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 60 c5 8b 85 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 7e 9d fd ff 48 c7 c7 a0 c5 8b 85 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 64 9d fd ff 0f 1f 44 [ 50.380803] RSP: 0018:ffffa7e001937e50 EFLAGS: 00010246 [ 50.386637] RAX: 0000000000000038 RBX: ffffa7e001934000 RCX: 0000000000000000 [ 50.394606] RDX: 0000000000000000 RSI: ffff9d353ac9bf70 RDI: ffffffff858bc5a0 [ 50.402575] RBP: ffffffff858bbcca R08: 0000000000000000 R09: 0000000000000000 [ 50.410544] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 [ 50.418514] R13: ffffa7e001937f10 R14: ffffa7e001937f10 R15: ffff9d34c3fc2000 [ 50.426483] FS: 00007f274bd86580(0000) GS:ffff9d353ac80000(0000) knlGS:0000000000000000 [ 50.435521] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.441938] CR2: ffffa7e001933fff CR3: 0000000103f50005 CR4: 00000000003706e0 [ 50.449908] Call Trace: [ 50.452635] ? lkdtm_CORRUPT_LIST_DEL+0xe0/0xe0 [ 50.457693] direct_entry.cold+0x2c/0x38 [ 50.462071] full_proxy_write+0x53/0x80 0015fff10 R14: ffffa7e0015fff10 R15: ffff9d34c5ce8000 # [ 49.[ 50.466352] vfs_write+0xe7/0x3a0 [ 50.476259] ksys_write+0x68/0xf0 [ 50.479948] do_syscall_64+0x30/0x40 [ 50.483938] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 50.489570] RIP: 0033:0x7f274bc9c833 [ 50.493559] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 50.514542] RSP: 002b:00007fff9f63ace8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 50.523020] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f274bc9c833 [ 50.530989] RDX: 0000000000000019 RSI: 00007f274bb8f000 RDI: 0000000000000001 [ 50.538982] RBP: 00007f274bb8f000 R08: 00007f274bb8e010 R09: 0000000000000000 [ 50.546949] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 50.554918] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 251785] FS: 00007f4e71fef580(0000) GS:ffff9d353ad00000(0000) kn[ 50.562892] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 50.595531] ---[ end trace 05348d993f728f5a ]--- [ 50.600685] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 50.605073] Code: 89 ff e8 1e 77 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 a0 93 93 02 [ 50.626071] RSP: 0018:ffffa7e001487e60 EFLAGS: 00010282 [ 50.631905] RAX: ffffffff846e32b0 RBX: 0000000000000001 RCX: 0000000000000000 [ 50.639875] RDX: 0000000000000000 RSI: ffff9d353ad9bf70 RDI: ffffffff854d0d90 [ 50.647844] RBP: ffffffff85917418 R08: 0000000000000001 R09: 0000000000000001 [ 50.655814] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 50.663783] R13: ffffa7e001487f10 R14: ffffa7e001487f10 R15: ffff9d34c473d000 [ 50.671755] FS: 00007f274bd86580(0000) GS:ffff9d353ac80000(0000) knlGS:0000000000000000 [ 50.680785] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.687191] CR2: ffffa7e001933fff CR3: 0000000103f50005 CR4: 00000000003706e0 [ 50.695162] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 50.705073] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1069, name: cat [ 50.713527] INFO: lockdep is turned off. [ 50.717902] irq event stamp: 0 [ 50.721307] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 50.728307] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 50.737444] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 50.746579] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 50.753578] CPU: 1 PID: 1069 Comm: cat Tainted: G D W 5.10.162-cip23 #1 [ 50.762227] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 50.769030] Call Trace: [ 50.771757] dump_stack+0x77/0x9b [ 50.775457] ___might_sleep.cold+0xa6/0xb6 [ 50.780031] exit_signals+0x1c/0x2e0 [ 50.784021] do_exit+0xc2/0xaf0 [ 50.787516] ? ksys_write+0x68/0xf0 [ 50.791400] rewind_stack_do_exit+0x17/0x20 lGS:0000000000000000 # [ 49.260821] CS: 0010 DS: 0000 ES: 00[ 50.796074] RIP: 0033:0x7f274bc9c833 [ 50.806277] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 50.827261] RSP: 002b:00007fff9f63ace8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 50.835709] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f274bc9c833 [ 50.843677] RDX: 0000000000000019 RSI: 00007f274bb8f000 RDI: 0000000000000001 [ 50.851646] RBP: 00007f274bb8f000 R08: 00007f274bb8e010 R09: 0000000000000000 [ 50.859615] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 50.867584] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 00 CR0: 0000000080050033 # [ 49.267237] CR2: 0000000000000000 CR3: 00000001031de006 CR4: 00000000003706e0 # [ 49.275206] Call Trace: # [ 49.277933] direct_entry.cold+0x2c/0x38 # [ 49.282313] full_proxy_write+0x53/0x80 # [ 49.286596] vfs_write+0xe7/0x3a0 # [ 49.290293] ksys_write+0x68/0xf0 # [ 49.293984] do_syscall_64+0x30/0x40 # [ 49.297973] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 49.303613] RIP: 0033:0x7f4e71f05833 # [ 49.307593] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 49.328566] RSP: 002b:00007ffc60ab4d08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 49.337021] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f4e71f05833 # [ 49.344991] RDX: 000000000000000a RSI: 00007f4e71df8000 RDI: 0000000000000001 # [ 49.352987] RBP: 00007f4e71df8000 R08: 00007f4e71df7010 R09: 0000000000000000 # [ 49.367170] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 49.375142] R13: 0000000000000001 R14: 000000[ 50.983354] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING [ 50.994520] lkdtm: attempting bad read from page above current stack [ 51.001630] BUG: stack guard page was hit at 0000000036dcec24 (stack is 00000000d7fb9e45..00000000a4d3652d) [ 51.012522] kernel stack overflow (page fault): 0000 [#4] SMP PTI 0000020000 R15: 0000000000020000 # [ 49.383117] Modules linke[ 51.019328] CPU: 3 PID: 1102 Comm: cat Tainted: G D W 5.10.162-cip23 #1 [ 51.034191] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 51.041001] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d [ 51.047612] Code: 9d fd ff 0f 1f 44 00 00 53 48 c7 c7 d8 c5 8b 85 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 44 9d fd ff 48 c7 c7 18 c6 8b 85 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 27 9d fd ff [ 51.068596] RSP: 0018:ffffa7e0019b7e50 EFLAGS: 00010246 [ 51.074422] RAX: 0000000000000038 RBX: ffffa7e0019b4000 RCX: 0000000000000000 [ 51.082390] RDX: 0000000000000000 RSI: ffff9d353ad9bf70 RDI: ffffffff858bc618 [ 51.090359] RBP: ffffffff858bbce3 R08: 0000000000000000 R09: 0000000000000000 [ 51.098326] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a [ 51.106297] R13: ffffa7e0019b7f10 R14: ffffa7e0019b7f10 R15: ffff9d34c4c72000 [ 51.114266] FS: 00007f7b02e4e580(0000) GS:ffff9d353ad80000(0000) knlGS:0000000000000000 [ 51.123303] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.129719] CR2: ffffa7e0019b8000 CR3: 0000000104e1c003 CR4: 00000000003706e0 [ 51.137684] Call Trace: [ 51.140411] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a [ 51.146245] direct_entry.cold+0x2c/0x38 [ 51.150625] full_proxy_write+0x53/0x80 [ 51.154906] vfs_write+0xe7/0x3a0 [ 51.158604] ksys_write+0x68/0xf0 [ 51.162293] do_syscall_64+0x30/0x40 [ 51.166281] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 51.171920] RIP: 0033:0x7f7b02d64833 [ 51.175908] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 51.196891] RSP: 002b:00007fff32f67198 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 51.205345] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f7b02d64833 [ 51.213313] RDX: 000000000000001a RSI: 00007f7b02c57000 RDI: 0000000000000001 [ 51.221283] RBP: 00007f7b02c57000 R08: 00007f7b02c56010 R09: 0000000000000000 [ 51.229251] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 51.237222] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 51.245196] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify d in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core indust[ 51.271655] ---[ end trace 05348d993f728f5b ]--- [ 51.283021] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 51.287398] Code: 89 ff e8 1e 77 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 a0 93 93 02 [ 51.308382] RSP: 0018:ffffa7e001487e60 EFLAGS: 00010282 [ 51.314207] RAX: ffffffff846e32b0 RBX: 0000000000000001 RCX: 0000000000000000 [ 51.322177] RDX: 0000000000000000 RSI: ffff9d353ad9bf70 RDI: ffffffff854d0d90 [ 51.330144] RBP: ffffffff85917418 R08: 0000000000000001 R09: 0000000000000001 [ 51.338114] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 51.346083] R13: ffffa7e001487f10 R14: ffffa7e001487f10 R15: ffff9d34c473d000 [ 51.354070] FS: 00007f7b02e4e580(0000) GS:ffff9d353ad80000(0000) knlGS:0000000000000000 [ 51.363106] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.369522] CR2: ffffa7e0019b8000 CR3: 0000000104e1c003 CR4: 00000000003706e0 rialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 49.409575] CR2: 0000000000000000 # [ 49.419486] ---[ end trace 05348d993f728f59 ]--- # [ 49.424639] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 49.429018] Code: 89 ff e8 1e 77 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 a0 93 93 02 # [ 49.450019] RSP: 0018:ffffa7e001487e60 EFLAGS: 00010282 # [ 49.455854] RAX: ffffffff846e32b0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 49.463825] RDX: 0000000000000000 RSI: ffff9d353ad9bf70 RDI: ffffffff854d0d90 # [ 49.471795] RBP: ffffffff85917418 R08: 0000000000000001 R09: 0000000000000001 # [ 49.479765] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 49.487735] R13: ffffa7e001487f10 R14: ffffa7e001487f10 R15: ffff9d34c473d000 # [ 51.471114] lkdtm: Performing direct entry UNSET_SMEP [ 51.482608] lkdtm: trying to clear SMEP normally [ 51.487769] ------------[ cut here ]------------ [ 51.492935] pinned CR4 bits changed: 0x100000!? [ 49.495705] FS: 00007f4e71fef580(0000) GS:ffff9d353ad00000(0[ 51.498026] WARNING: CPU: 2 PID: 1138 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60 [ 51.514443] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 000) knlGS:0000000000000000 # [ 49.504743] CS: 0010 DS: 0000[ 51.540905] CPU: 2 PID: 1138 Comm: cat Tainted: G D W 5.10.162-cip23 #1 [ 51.555766] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 51.562575] RIP: 0010:native_write_cr4+0x45/0x60 [ 51.567732] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d a0 a1 e3 01 00 75 f2 48 c7 c7 70 ad 7f 85 c6 05 90 a1 e3 01 01 e8 a6 1b e8 00 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 [ 51.588720] RSP: 0018:ffffa7e0018f7e48 EFLAGS: 00010286 [ 51.594557] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 0000000000000000 [ 51.602532] RDX: ffff9d353ad2c660 RSI: ffff9d353ad1bf70 RDI: ffff9d353ad1bf70 [ 51.610506] RBP: ffffffff858bbcfd R08: 0000000000000000 R09: 0000000000000000 [ 51.618478] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b [ 51.626451] R13: ffffa7e0018f7f10 R14: ffffa7e0018f7f10 R15: ffff9d34c5651000 [ 51.634424] FS: 00007fe947a50580(0000) GS:ffff9d353ad00000(0000) knlGS:0000000000000000 ES: 0000 CR0: 0000000080050033 # [ 49.511160] CR2: 000000000[ 51.643470] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 0000000 CR3: 00000001031de006 CR4: 00000000003706e0 # [ 49.51[ 51.656102] CR2: 00007fe947859000 CR3: 0000000104f14003 CR4: 00000000003706e0 9132] BUG: sleeping function called from invalid context at incl[ 51.670292] Call Trace: ude/linux/percpu-rwsem.h:49 # [ 49.529045] in_atomic(): 0, ir[ 51.679240] lkdtm_UNSET_SMEP.cold+0x1d/0x103 [ 51.690323] direct_entry.cold+0x2c/0x38 [ 51.694738] full_proxy_write+0x53/0x80 [ 51.699075] vfs_write+0xe7/0x3a0 [ 51.702807] ksys_write+0x68/0xf0 [ 51.706542] do_syscall_64+0x30/0x40 [ 51.710568] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 51.716245] RIP: 0033:0x7fe947966833 [ 51.720294] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 qs_disabled(): 1, non_block: 0, pid: 844, name: cat # [ 49.53[ 51.741298] RSP: 002b:00007fffea5e3068 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 51.755960] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007fe947966833 [ 51.763935] RDX: 000000000000000b RSI: 00007fe947859000 RDI: 0000000000000001 [ 51.771907] RBP: 00007fe947859000 R08: 00007fe947858010 R09: 0000000000000000 [ 51.779881] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 51.787855] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 51.795836] irq event stamp: 0 [ 51.799274] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 51.806280] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 51.815450] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 51.824590] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 51.831590] ---[ end trace 05348d993f728f5c ]--- [ 51.836747] lkdtm: ok: SMEP did not get cleared [ 51.841805] lkdtm: trying to clear SMEP with call gadget [ 51.847740] lkdtm: ok: SMEP removal was reverted 7403] INFO: lockdep is turned off. # [ 49.541778] irq event stamp: 0 # [ 49.545184] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 49.552183] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 49.561318] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 49.570454] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 49.577452] CPU: 2 PID: 844 Comm: cat Tainted: G D W 5.10.162-cip23 #1 # [ 49.586019] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 49.592824] Call Trace: # [ 49.595552] dump_stack+0x77/0x9b # [ 49.599250] ___might_sleep.cold+0xa6/0xb6 # [ 49.603820] exit_signals+0x1c/0x2e0 # [ 49.607801] do_exit+0xc2/0xaf0 # [ 49.611305] ? ksys_write+0x68/0xf0 # [ 49.615198] rewind_stack_do_exit+0x17/0x20 # [ 49.619866] RIP: 0033:0x7f4e71f05833 # [ 49.623854] Code: 8b 15 61 26 0e 00 f7 d8 64 [ 51.944376] lkdtm: Performing direct entry DOUBLE_FAULT 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 0[ 51.952051] lkdtm: XFAIL: this test is ia32-only 0 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 49.644838] RSP: 002b:00007ffc60ab4d08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 49.653295] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f4e71f05833 # [ 49.661265] RDX: 000000000000000a RSI: 00007f4e71df8000 RDI: 0000000000000001 # [ 49.669234] RBP: 00007f4e71df8000 R08: 00007f4e71df7010 R09: 0000000000000000 # [ 49.677203] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 49.685174] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXCEPTION: saw 'call trace:': ok ok 5 selftests: lkdtm: EXCEPTION.sh # selftests: lkdtm: LOOP.sh # Skipping LOOP: Hangs the system ok 6 selftests: lkdtm: LOOP.sh # SKIP # selftests: lkdtm: EXHAUST_STACK.sh # Skipping EXHAUST_STACK: Corrupts memory on failure ok 7 selftests: lkdtm: EXHAUST_STACK.sh # SKIP # selftests: lkdtm: CORRUPT_STACK.sh # Skipping CORRUPT_STACK: Crashes entire system on success ok 8 selftests: lkdtm: CORRUPT_STACK.sh # SKIP # selftests: lkdtm: CORRUPT_STACK_STRONG.sh # Skipping CORRUPT_STACK_STRONG: Crashes entire system on success ok 9 selftests: lkdtm: CORRUP[ 52.078127] lkdtm: Performing direct entry CORRUPT_PAC T_STACK_STRONG.sh # SKIP # selftests: lkdtm: CORRUPT_LIST_ADD.s[ 52.087230] lkdtm: XFAIL: this test is arm64-only h # [ 49.964626] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 49.972863] lkdtm: attempting good list addition # [ 49.978032] lkdtm: attempting corrupted list addition # [ 49.983678] 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 # [ 50.148424] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 50.159168] lkdtm: attempting good list removal # [ 50.170442] lkdtm: attempting corrupted list removal # [ 50.182202] 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 # [ 50.280126] lkdtm: Performing direct entry STACK_GUARD_PAGE_[ 52.179538] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE LEADING # [ 50.288207] lkdtm: attempting bad read from page b[ 52.192905] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS elow current stack # [ 50.301548] BUG: stack guard page was hit at 0000000001afc18f (stack is 0000000046cb2170..000000002d0d80a1) # [ 50.318618] kernel stack overflow (page fault): 0000 [#3] SMP PTI # [ 50.325426] CPU: 1 PID: 1069 Comm: cat Tainted: G D W 5.10.162-cip23 #1 # [ 50.340287] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 50.347094] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a # [ 50.353608] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 60 c5 8b 85 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 7e 9d fd ff 48 c7 c7 a0 c5 8b 85 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 64 9d fd ff 0f 1f 44 # [ 50.380803] RSP: 0018:ffffa7e001937e50 EFLAGS: 00010246 # [ 50.386637] RAX: 0000000000000038 RBX: ffffa7e001934000 RCX: 0000000000000000 # [ 50.394606] RDX: 0000000000000000 RSI: ffff9d353ac9bf70 RDI: ffffffff858bc5a0 # [ 50.402575] RBP: ffffffff858bbcca R08: 0000000000000000 R09: 0000000000000000 # [ 50.410544] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 # [ 50.418514] R13: ffffa7e001937f10 R14: ffffa7e001937f10 R15: ffff9d34c3fc2000 # [ 50.426483] FS: 00007f274bd86580(0000) GS:ffff9d353ac80000(0000) knlGS:0000000000000000 # [ 50.435521] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 50.441938] CR2: ffffa7e001933fff CR3: 0000000103f50005 CR4: 00000000003706e0 # [ 50.449908] Call Trace: # [ 50.452635] ? lkdtm_CORRUPT_LIST_DEL+0xe0/0xe0 # [ 50.457693] direct_entry.cold+0x2c/0x38 # [ 50.462071] full_proxy_write+0x53/0x80 # [ 50.466352] vfs_write+0xe7/0x3a0 # [ 50.476259] ksys_write+0x68/0xf0 # [ 50.479948] do_s[ 52.364800] lkdtm: Performing direct entry READ_AFTER_FREE yscall_64+0x30/0x40 # [ 50.483938] entry_SYSCALL_64_after_hw[ 52.374439] lkdtm: Value in memory before free: 12345678 frame+0x61/0xc6 # [ 50.489570] RIP: 0033:0x7f274bc9c833 # [ [ 52.386579] lkdtm: Attempting bad read from freed memory 50.493559] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff [ 52.398723] lkdtm: Memory was not poisoned ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 50.514542] RSP: 002b:00007fff9f63ace8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 50.523020] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f274bc9c833 # [ 50.530989] RDX: 0000000000000019 RSI: 00007f274bb8f000 RDI: 0000000000000001 # [ 50.538982] RBP: 00007f274bb8f000 R08: 00007f274bb8e010 R09: 0000000000000000 # [ 50.546949] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 50.554918] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 50.562892] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 50.595531] ---[ end trace 05348d993f728f5a ]--- # [ 50.600685] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 50.605073] Code: 89 ff e8 1e 77 a3 ff 48 c7 c0 [ 52.510968] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE [ 52.521874] lkdtm: Value in memory before free: 12345678 [ 52.527840] lkdtm: Attempting to read from freed memory [ 52.533680] lkdtm: Buddy page was not poisoned 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 a0 93 93 02 # [ 50.626071] RSP: 0018:ffffa7e001487e60 EFLAGS: 00010282 # [ 50.631905] RAX: ffffffff846e32b0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 50.639875] RDX: 0000000000000000 RSI: ffff9d353ad9bf70 RDI: ffffffff854d0d90 # [ 50.647844] RBP: ffffffff85917418 R08: 0000000000000001 R09: 0000000000000001 # [ 50.655814] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 50.663783] R13: ffffa7e001487f10 R14: ffffa7e001487f10 R15: ffff9d34c473d000 # [ 50.671755] FS: 00007f274bd86580(0000) GS:ffff9d353ac80000(0000) knlGS:0000000000000000 # [ 50.680785] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 50.687191] CR2: [ 52.618142] lkdtm: Performing direct entry SLAB_FREE_DOUBLE ffffa7e001933fff CR3: 0000000103f50005 CR4: 00000000003706e0 # [ 52.625775] lkdtm: Attempting double slab free ... [ 50.695162] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 50.705073] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1069, name: cat # [ 50.713527] INFO: lockdep is turned off. # [ 50.717902] irq event stamp: 0 # [ 50.721307] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 50.728307] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 50.737444] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 50.746579] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 50.753578] CPU: 1 PID: 1069 Comm: cat Tainted: G D W 5.10.162-cip23 #1 # [ 50.762227] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 50.769030] Call Trace: # [ 50.771757] dump_s[ 52.716975] lkdtm: Performing direct entry SLAB_FREE_CROSS tack+0x77/0x9b # [ 50.775457] ___might_sleep.cold+0xa6/0xb6 [ 52.724267] lkdtm: Attempting cross-cache slab free ... # [ 50.780031] exit_signals+0x1c/0x2e0 # [ 50.784021] do_exit+0xc2/0xaf0 # [ 50.787516] ? ksys_write+0x68/0xf0 # [ 50.791400] rewind_stack_do_exit+0x17/0x20 # [ 50.796074] RIP: 0033:0x7f274bc9c833 # [ 50.806277] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 50.827261] RSP: 002b:00007fff9f63ace8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 50.835709] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f274bc9c833 # [ 50.843677] RDX: 0000000000000019 RSI: 00007f274bb8f000 RDI: 0000000000000001 # [ 50.851646] RBP: 00007f274bb8f000 R08: 00007f274bb8e010 R09: 0000000000000000 # [ 50.859615] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 50.867584] 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 # [ 50.983354] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 50.994520] lkdtm: attempting bad read from page above current stack # [ 51.0[ 52.857938] lkdtm: Performing direct entry SLAB_FREE_PAGE [ 52.866657] lkdtm: Attempting non-Slab slab free ... 01630] BUG: stack guard page was hit at 0000000036dcec24 (stack is 00000000d7fb9e45..00000000a4d3652d) # [ 51.012522] kernel stack overflow (page fault): 0000 [#4] SMP PTI # [ 51.019328] CPU: 3 PID: 1102 Comm: cat Tainted: G D W 5.10.162-cip23 #1 # [ 51.034191] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 51.041001] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d # [ 51.047612] Code: 9d fd ff 0f 1f 44 00 00 53 48 c7 c7 d8 c5 8b 85 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 44 9d fd ff 48 c7 c7 18 c6 8b 85 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 27 9d fd ff # [ 51.068596] RSP: 0018:ffffa7e0019b7e50 EFLAGS: 00010246 # [ 51.074422] RAX: 0000000000000038 RBX: ffffa7e0019b4000 RCX: 0000000000000000 # [ 51.082390] RDX: 0000000000000000 RSI: ffff9d353ad9bf70 RDI: ffffffff858bc618 # [ 51.090359] RBP: ffffffff858bbce3 R08: 0000000000000000 R09: 0000000000000000 # [ 51.098326] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a # [ 51.106297] R13: ffffa7e0019b7f10 R14: ffffa7e0019b7f10 R15: ffff9d34c4c72000 # [ 51.114266] FS: 00007f7b02e4e580(0000) GS:ffff9d353ad80000(0000) knlGS:0000000000000000 # [ 51.123303] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 51.129719] CR2: ffffa7e0019b8000 CR3: 0000000104e1c003 CR4: 00000000003706e0 # [ 51.137684] Call Trace: # [ 51.140411] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a # [ 51.146245] direct_entry.cold+0x2c/0x38 # [ 51.150625] full_proxy_write+0x53/0x80 # [ 51.154906] vfs_write+0xe7/0x3a0 # [ 51.158604] ksys_write+0x68/0xf0 # [ 51.162293] do_syscall_64+0x30/0x40 # [ 51.166281] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 51.171920] RIP: 0033:0x7f7b02d64833 # [ 51.175908] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 51.196891] RSP: 002b:00007fff32f67198 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 51.205345] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f7b02d64833 # [ 51.213313] RDX: 000000000000001a RSI: 00007f7b02c57000 RDI: 0000000000000001 # [ 51.221283] RBP: 00007f7b02c57000 R08: 00007f7b02c56010 R09: 0000000000000000 # [ 51.229251] R10: fffffffffffffbc5 R11[ 53.096382] lkdtm: Performing direct entry EXEC_DATA [ 53.107771] lkdtm: attempting ok execution at ffffffff846e3680 : 0000000000000246 R12: 0000000000000001 # [ 51.237222] R13: [ 53.114298] lkdtm: attempting bad execution at ffffffff8701c6a0 [ 53.127150] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 53.135514] BUG: unable to handle page fault for address: ffffffff8701c6a0 [ 53.149406] #PF: supervisor instruction fetch in kernel mode [ 53.155724] #PF: error_code(0x0011) - permissions violation [ 53.161946] PGD 15b429067 P4D 15b429067 PUD 15b42a063 PMD 800000015ca000e3 [ 53.169724] Oops: 0011 [#5] SMP PTI [ 53.173614] CPU: 2 PID: 1645 Comm: cat Tainted: G D W 5.10.162-cip23 #1 [ 53.182264] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 53.189070] RIP: 0010:data_area+0x0/0x40 [ 53.193446] Code: ff ff 00 72 48 c4 34 9d ff ff 00 71 48 c4 34 9d 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 [ 53.214423] RSP: 0018:ffffa7e0021efe48 EFLAGS: 00010246 [ 53.220255] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 53.228223] RDX: 0000000000000000 RSI: ffff9d353ad1bf70 RDI: ffff9d353ad1bf70 [ 53.236192] RBP: ffffffff8701c6a0 R08: 0000000000000000 R09: 0000000000000000 [ 53.244161] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 53.252129] R13: ffffa7e0021eff10 R14: ffffa7e0021eff10 R15: ffff9d34c3d2f000 [ 53.260100] FS: 00007f22633f6580(0000) GS:ffff9d353ad00000(0000) knlGS:0000000000000000 [ 53.269138] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.275555] CR2: ffffffff8701c6a0 CR3: 0000000103cf8001 CR4: 00000000003706e0 [ 53.283522] Call Trace: [ 53.286251] ? execute_location+0x45/0x56 [ 53.290724] ? direct_entry.cold+0x2c/0x38 [ 53.295288] ? full_proxy_write+0x53/0x80 [ 53.299763] ? vfs_write+0xe7/0x3a0 [ 53.303655] ? ksys_write+0x68/0xf0 [ 53.307539] ? do_syscall_64+0x30/0x40 [ 53.311722] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 53.317558] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 51.245196] Modules linked in: fuse ip_tables cros_ec_sensors[ 53.344013] CR2: ffffffff8701c6a0 [ 53.353923] ---[ end trace 05348d993f728f5d ]--- [ 53.359076] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 53.363451] Code: 89 ff e8 1e 77 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 a0 93 93 02 [ 53.384432] RSP: 0018:ffffa7e001487e60 EFLAGS: 00010282 [ 53.390263] RAX: ffffffff846e32b0 RBX: 0000000000000001 RCX: 0000000000000000 [ 53.398231] RDX: 0000000000000000 RSI: ffff9d353ad9bf70 RDI: ffffffff854d0d90 [ 53.406199] RBP: ffffffff85917418 R08: 0000000000000001 R09: 0000000000000001 [ 53.414166] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 53.422133] R13: ffffa7e001487f10 R14: ffffa7e001487f10 R15: ffff9d34c473d000 [ 53.430101] FS: 00007f22633f6580(0000) GS:ffff9d353ad00000(0000) knlGS:0000000000000000 [ 53.439137] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.445550] CR2: ffffffff8701c6a0 CR3: 0000000103cf8001 CR4: 00000000003706e0 [ 53.453519] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 53.463428] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1645, name: cat [ 53.471881] INFO: lockdep is turned off. [ 53.476255] irq event stamp: 0 [ 53.479659] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 53.486658] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 53.495783] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 53.504917] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 53.511913] CPU: 2 PID: 1645 Comm: cat Tainted: G D W 5.10.162-cip23 #1 [ 53.520560] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 53.527363] Call Trace: [ 53.530090] dump_stack+0x77/0x9b [ 53.533779] ___might_sleep.cold+0xa6/0xb6 [ 53.538350] exit_signals+0x1c/0x2e0 [ 53.542338] do_exit+0xc2/0xaf0 [ 53.545839] ? ksys_write+0x68/0xf0 [ 53.549732] rewind_stack_do_exit+0x17/0x20 [ 53.554399] RIP: 0033:0x7f226330c833 [ 53.558386] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 53.579367] RSP: 002b:00007ffdef974bd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 53.587821] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f226330c833 [ 53.595791] RDX: 000000000000000a RSI: 00007f22631ff000 RDI: 0000000000000001 [ 53.603760] RBP: 00007f22631ff000 R08: 00007f22631fe010 R09: 0000000000000000 [ 53.611729] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 53.619696] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 51.271655] ---[ end trace 05348d993f728f5b ]--- # [ 51.283021] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 51.287398] Code: 89 ff e8 1e 77 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 a0 93 93 02 # [ 51.308382] RSP: 0018:ffffa7e001487e60 EFLAGS: 00010282 # [ 51.314207] RAX: ffffffff846e32b0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 51.322177] RDX: 0000000000000000 RSI: ffff9d353ad9bf70 RDI: ffffffff854d0d90 # [ 51.330144] RBP: ffffffff85917418 R08: 0000000000000001 R09: 0000000000000001 # [ 51.338114] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 51.346083] R13: ffffa7e001487f10 R14: ffffa7e001487f10 R15: ffff9d34c473d000 # [ 51.354070] FS: 00007f7b02e4e580(0000) GS:ffff9d353ad80000(0000) knlGS:0000000000000000 # [ 51.363106] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 51.369522] CR2: ffffa7e0019b8000 CR3: 0000000104e1c003 CR4: 00000000003706e0 # STACK_GUARD_PAGE_TRAILING: saw 'call trace:': ok ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # selftests: lkdtm: UNSET_SMEP.sh # [ 51.4[ 53.762451] lkdtm: Performing direct entry EXEC_STACK [ 53.770081] lkdtm: attempting ok execution at ffffffff846e3680 [ 53.776608] lkdtm: attempting bad execution at ffffa7e00226fe18 [ 53.783238] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 53.791602] BUG: unable to handle page fault for address: ffffa7e00226fe18 [ 53.799279] #PF: supervisor instruction fetch in kernel mode [ 53.805596] #PF: error_code(0x0011) - permissions violation [ 53.811815] PGD 100000067 P4D 100000067 PUD 100211067 PMD 105558067 PTE 8000000102868063 [ 53.820855] Oops: 0011 [#6] SMP PTI [ 53.824747] CPU: 3 PID: 1681 Comm: cat Tainted: G D W 5.10.162-cip23 #1 [ 53.833385] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 53.840190] RIP: 0010:0xffffa7e00226fe18 [ 53.844566] Code: 00 00 18 fe 26 02 e0 a7 ff ff c1 28 d7 84 ff ff ff ff 20 00 00 00 00 00 00 00 26 be 8b 85 ff ff ff ff f0 29 d7 84 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 [ 53.865545] RSP: 0018:ffffa7e00226fdf8 EFLAGS: 00010246 [ 53.871376] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 53.879345] RDX: 0000000000000000 RSI: ffff9d353ad9bf70 RDI: ffff9d353ad9bf70 [ 53.887312] RBP: ffffa7e00226fe18 R08: 0000000000000000 R09: 0000000000000000 [ 53.895279] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b [ 53.903247] R13: ffffa7e00226ff10 R14: ffffa7e00226ff10 R15: ffff9d34c3d03000 [ 53.911214] FS: 00007f1ecf2c5580(0000) GS:ffff9d353ad80000(0000) knlGS:0000000000000000 [ 53.920250] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.926665] CR2: ffffa7e00226fe18 CR3: 0000000104e94004 CR4: 00000000003706e0 [ 53.934632] Call Trace: [ 53.937361] ? execute_location+0x45/0x56 [ 53.941836] ? lkdtm_EXEC_STACK+0x26/0x44 [ 53.946309] ? direct_entry.cold+0x2c/0x38 [ 53.950881] ? full_proxy_write+0x53/0x80 [ 53.955355] ? vfs_write+0xe7/0x3a0 [ 53.959238] ? ksys_write+0x68/0xf0 [ 53.963122] ? do_syscall_64+0x30/0x40 [ 53.967303] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 53.973138] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 71114] lkdtm: Performing direct entry UNSET_SMEP # [ 51.48260[ 53.999593] CR2: ffffa7e00226fe18 [ 54.009503] ---[ end trace 05348d993f728f5e ]--- 8] lkdtm: trying to clear SMEP normally # [ 51.487769] ------[ 54.014663] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 54.025251] Code: 89 ff e8 1e 77 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 a0 93 93 02 [ 54.046234] RSP: 0018:ffffa7e001487e60 EFLAGS: 00010282 [ 54.052071] RAX: ffffffff846e32b0 RBX: 0000000000000001 RCX: 0000000000000000 [ 54.060041] RDX: 0000000000000000 RSI: ffff9d353ad9bf70 RDI: ffffffff854d0d90 [ 54.068016] RBP: ffffffff85917418 R08: 0000000000000001 R09: 0000000000000001 [ 54.075985] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 54.083952] R13: ffffa7e001487f10 R14: ffffa7e001487f10 R15: ffff9d34c473d000 [ 54.091920] FS: 00007f1ecf2c5580(0000) GS:ffff9d353ad80000(0000) knlGS:0000000000000000 [ 54.100957] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.107372] CR2: ffffa7e00226fe18 CR3: 0000000104e94004 CR4: 00000000003706e0 ------[ cut here ]------------ # [ 51.492935] pinned CR4 bits changed: 0x100000!? # [ 51.498026] WARNING: CPU: 2 PID: 1138 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60 # [ 51.514443] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 51.540905] CPU: 2 PID: 1138 Comm: cat Tainted: G D W 5.10.162-cip23 #1 # [ 51.555766] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 51.562575] RIP: 0010:native_write_cr4+0x45/0x60 # [ 51.567732] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d a0 a1 e3 01 00 75 f2 48 c7 c7 70 ad 7f 85 c6 05 90 a1 e3 01 01 e8 a6 1b e8 00 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 # [ 51.588720] RSP: 0018:ffffa7e0018f7e48 EFLAGS: 00010286 # [ 51.594557] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 0000000000000000 # [ 51.602532] RDX: ffff9d353ad2c660 RSI: ffff9d353ad1bf70 RDI: ffff9d353ad1bf70 # [ 51.610506] RBP: ffffffff858bbcfd R08: 0000000000000000 R09: 0000000000000000 [ 54.231473] lkdtm: Performing direct entry EXEC_KMALLOC # [ 51.618478] R10: 00000000ffffe000 R11: 3fffffffffffffff R1[ 54.239331] lkdtm: attempting ok execution at ffffffff846e3680 2: 000000000000000b # [ 51.626451] R13: ffffa7e0018f7f10 R14:[ 54.252059] lkdtm: attempting bad execution at ffff9d34c3d2ea40 ffffa7e0018f7f10 R15: ffff9d34c5651000 # [ 51.634424] FS: 0[ 54.264923] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 54.279448] BUG: unable to handle page fault for address: ffff9d34c3d2ea40 [ 54.287127] #PF: supervisor instruction fetch in kernel mode [ 54.293444] #PF: error_code(0x0011) - permissions violation [ 54.299664] PGD 15cc01067 P4D 15cc01067 PUD 10084e063 PMD 103c73063 PTE 8000000103d2e063 [ 54.308710] Oops: 0011 [#7] SMP PTI [ 54.312601] CPU: 0 PID: 1717 Comm: cat Tainted: G D W 5.10.162-cip23 #1 [ 54.321240] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 54.328065] RIP: 0010:0xffff9d34c3d2ea40 [ 54.332441] Code: 00 00 02 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 1b 25 f0 83 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 [ 54.353414] RSP: 0018:ffffa7e0022dfe38 EFLAGS: 00010246 [ 54.359237] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 54.367203] RDX: 0000000000000000 RSI: ffff9d353ac1bf70 RDI: ffff9d353ac1bf70 [ 54.375172] RBP: ffff9d34c3d2ea40 R08: 0000000000000000 R09: 0000000000000000 [ 54.383142] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 54.391108] R13: ffffa7e0022dff10 R14: ffffa7e0022dff10 R15: ffff9d34c314a000 [ 54.399075] FS: 00007f9e703f4580(0000) GS:ffff9d353ac00000(0000) knlGS:0000000000000000 [ 54.408111] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.414524] CR2: ffff9d34c3d2ea40 CR3: 0000000102788001 CR4: 00000000003706f0 [ 54.422494] Call Trace: [ 54.425222] ? execute_location+0x45/0x56 [ 54.429702] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 [ 54.434368] ? direct_entry.cold+0x2c/0x38 [ 54.438938] ? full_proxy_write+0x53/0x80 [ 54.443404] ? vfs_write+0xe7/0x3a0 [ 54.447296] ? ksys_write+0x68/0xf0 [ 54.451178] ? do_syscall_64+0x30/0x40 [ 54.455360] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 54.461195] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 54.487634] CR2: ffff9d34c3d2ea40 [ 54.491321] ---[ end trace 05348d993f728f5f ]--- [ 54.496475] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 54.500842] Code: 89 ff e8 1e 77 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 a0 93 93 02 [ 54.521828] RSP: 0018:ffffa7e001487e60 EFLAGS: 00010282 [ 54.527662] RAX: ffffffff846e32b0 RBX: 0000000000000001 RCX: 0000000000000000 [ 54.535630] RDX: 0000000000000000 RSI: ffff9d353ad9bf70 RDI: ffffffff854d0d90 [ 54.543600] RBP: ffffffff85917418 R08: 0000000000000001 R09: 0000000000000001 [ 54.551571] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 54.559541] R13: ffffa7e001487f10 R14: ffffa7e001487f10 R15: ffff9d34c473d000 [ 54.567511] FS: 00007f9e703f4580(0000) GS:ffff9d353ac00000(0000) knlGS:0000000000000000 [ 54.576550] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.582957] CR2: ffff9d34c3d2ea40 CR3: 0000000102788001 CR4: 00000000003706f0 [ 54.590928] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 54.600831] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1717, name: cat [ 54.609286] INFO: lockdep is turned off. [ 54.613661] irq event stamp: 0 [ 54.617066] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 54.624066] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 54.633192] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 54.642329] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 54.649330] CPU: 0 PID: 1717 Comm: cat Tainted: G D W 5.10.162-cip23 #1 [ 54.657971] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 54.664777] Call Trace: [ 54.667505] dump_stack+0x77/0x9b [ 54.671210] ___might_sleep.cold+0xa6/0xb6 [ 54.675788] exit_signals+0x1c/0x2e0 [ 54.679778] do_exit+0xc2/0xaf0 [ 54.683281] ? ksys_write+0x68/0xf0 [ 54.687174] rewind_stack_do_exit+0x17/0x20 [ 54.691847] RIP: 0033:0x7f9e7030a833 [ 54.695836] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 54.716812] RSP: 002b:00007ffd3344cc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 54.725268] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f9e7030a833 [ 54.733237] RDX: 000000000000000d RSI: 00007f9e701fd000 RDI: 0000000000000001 [ 54.741208] RBP: 00007f9e701fd000 R08: 00007f9e701fc010 R09: 0000000000000000 [ 54.749177] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 54.757148] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0007fe947a50580(0000) GS:ffff9d353ad00000(0000) knlGS:0000000000000000 # [ 51.643470] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 51.656102] CR2: 00007fe947859000 CR3: 0000000104f14003 CR4: 00000000003706e0 # [ 51.670292] Call Trace: # [ 51.679240] lkdtm_UNSET_SMEP.cold+0x1d/0x103 # [ 51.690323] direct_entry.cold+0x2c/0x38 # [ 51.694738] full_proxy_write+0x53/0x80 # [ 51.699075] vfs_write+0xe7/0x3a0 # [ 51.702807] ksys_write+0x68/0xf0 # [ 51.706542] do_syscall_64+0x30/0x40 # [ 51.710568] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 51.716245] RIP: 0033:0x7fe947966833 # [ 51.720294] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 51.741298] RSP: 002b:00007fffea5e3068 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 51.755960] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007fe947966833 # [ 51.763935] RDX: 000000000000000b RSI: 00007fe947859000 RDI: 0000000000000001 # [ 51.771907] RBP: 00007fe947859000 R08: 00007fe947858010 R09: 0000000000000000 # [ 51.779881] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 51.787855] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 51.795836] irq event stamp: 0 # [ 51.799274] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 51.806280] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 51.815450] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 51.824590] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 54.932467] lkdtm: Performing direct entry EXEC_VMALLOC [ 54.938781] lkdtm: attempting ok execution at ffffffff846e3680 [ 54.945312] lkdtm: attempting bad execution at ffffa7e00036b000 [ 54.951941] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 54.960307] BUG: unable to handle page fault for address: ffffa7e00036b000 [ 54.967984] #PF: supervisor instruction fetch in kernel mode [ 54.974304] #PF: error_code(0x0011) - permissions violation [ 54.980526] PGD 100000067 P4D 100000067 PUD 100211067 PMD 1009ee067 PTE 8000000104057063 [ 54.989566] Oops: 0011 [#8] SMP PTI [ 54.993457] CPU: 2 PID: 1753 Comm: cat Tainted: G D W 5.10.162-cip23 #1 [ 55.002106] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 55.008910] RIP: 0010:0xffffa7e00036b000 [ 55.013287] Code: Unable to access opcode bytes at RIP 0xffffa7e00036afd6. [ 55.020965] RSP: 0018:ffffa7e00233fe38 EFLAGS: 00010246 [ 55.026799] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 55.034769] RDX: 0000000000000000 RSI: ffff9d353ad1bf70 RDI: ffff9d353ad1bf70 [ 55.042738] RBP: ffffa7e00036b000 R08: 0000000000000000 R09: 0000000000000000 [ 55.050705] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 55.058673] R13: ffffa7e00233ff10 R14: ffffa7e00233ff10 R15: ffff9d34c4057000 [ 55.066642] FS: 00007f82aee46580(0000) GS:ffff9d353ad00000(0000) knlGS:0000000000000000 [ 55.075679] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.082093] CR2: ffffa7e00036afd6 CR3: 0000000104ca2004 CR4: 00000000003706e0 [ 55.090070] Call Trace: [ 55.092800] ? execute_location+0x45/0x56 [ 55.097277] ? lkdtm_EXEC_VMALLOC+0x20/0x30 [ 55.101943] ? direct_entry.cold+0x2c/0x38 [ 55.106514] ? full_proxy_write+0x53/0x80 [ 55.110979] ? vfs_write+0xe7/0x3a0 [ 55.114869] ? ksys_write+0x68/0xf0 [ 55.118762] ? do_syscall_64+0x30/0x40 [ 55.122944] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 55.128782] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 55.155242] CR2: ffffa7e00036b000 [ 55.158939] ---[ end trace 05348d993f728f60 ]--- [ 55.164083] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 55.168469] Code: 89 ff e8 1e 77 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 a0 93 93 02 [ 55.189451] RSP: 0018:ffffa7e001487e60 EFLAGS: 00010282 [ 55.195284] RAX: ffffffff846e32b0 RBX: 0000000000000001 RCX: 0000000000000000 [ 55.203252] RDX: 0000000000000000 RSI: ffff9d353ad9bf70 RDI: ffffffff854d0d90 [ 55.211222] RBP: ffffffff85917418 R08: 0000000000000001 R09: 0000000000000001 [ 55.219191] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 55.227159] R13: ffffa7e001487f10 R14: ffffa7e001487f10 R15: ffff9d34c473d000 [ 55.235128] FS: 00007f82aee46580(0000) GS:ffff9d353ad00000(0000) knlGS:0000000000000000 [ 55.244166] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.250581] CR2: ffffa7e00036afd6 CR3: 0000000104ca2004 CR4: 00000000003706e0 # [ 51.831590] ---[ end trace 05348d993f728f5c ]--- # [ 51.836747] lkdtm: ok: SMEP did not get cleared # [ 51.841805] lkdtm: trying to clear SMEP with call gadget # [ 51.847740] 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 # [ 51.944376] lkdtm: Performing direct entry DOUBLE_FAULT # [ 51.952051] 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 # [ 52.078127] lkdtm: Performing direct entry CORRUPT_PAC # [ 52.087230] 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 # [ 52.179538] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 52.192905] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # UNALIGNED_LOAD_STORE_WRITE: saw 'XFAIL': [SKIP] ok 17 selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh # SKIP # selftests: lkdtm: OVERWRITE_ALLOCATION.sh # Skipping OVERWRITE_ALLOCATION: Corrupts memory on failure ok 18 selftests: lkdtm: OVERWRITE_ALLOCATION.sh # SKIP # selftests: lkdtm: WRITE_AFTER_FREE.sh # Skipping WRITE_AFTER_FREE: Corrupts memory on failure ok 19 selftests: lkdtm: WRITE_AFTER_FREE.sh # SKIP # selftests: lkdtm: READ_AFTER_FREE.sh # [ 52.364800] lkdtm: Performing direct entry READ_AFTER_FREE # [ 52.374439] lkdtm: Value in memory before free: 12345678 # [ 52.386579] lkdtm: Attempting bad read from freed memory # [ 52.398723] 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[ 55.433704] lkdtm: Performing direct entry EXEC_RODATA # Skipping WRITE_BUDDY_AFTER_FREE: Corrupts memory on failure [ 55.444567] lkdtm: attempting ok execution at ffffffff846e3680 ok 21 selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # SKIP # sel[ 55.457332] lkdtm: attempting bad execution at ffffffff854d1220 ftests: lkdtm: READ_BUDDY_AFTER_FREE.sh # [ 52.510968] lkdtm:[ 55.470157] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 55.484689] BUG: unable to handle page fault for address: ffffffff854d1220 [ 55.492366] #PF: supervisor instruction fetch in kernel mode [ 55.498685] #PF: error_code(0x0011) - permissions violation [ 55.504905] PGD 15b429067 P4D 15b429067 PUD 15b42a063 PMD 800000015ae000e1 [ 55.512686] Oops: 0011 [#9] SMP PTI [ 55.516579] CPU: 0 PID: 1789 Comm: cat Tainted: G D W 5.10.162-cip23 #1 [ 55.525229] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 55.532036] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 [ 55.537798] Code: ff ff 60 3e d7 84 ff ff ff ff 72 c0 8b 85 ff ff ff ff a6 25 d7 84 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 [ 55.558783] RSP: 0018:ffffa7e0023dfe48 EFLAGS: 00010246 [ 55.564617] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 55.572576] RDX: 0000000000000000 RSI: ffff9d353ac1bf70 RDI: ffff9d353ac1bf70 [ 55.580546] RBP: ffffffff854d1220 R08: 0000000000000000 R09: 0000000000000000 [ 55.588515] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 55.596485] R13: ffffa7e0023dff10 R14: ffffa7e0023dff10 R15: ffff9d34c5d96000 [ 55.604455] FS: 00007fc753ab0580(0000) GS:ffff9d353ac00000(0000) knlGS:0000000000000000 [ 55.613490] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.619904] CR2: ffffffff854d1220 CR3: 0000000104ca2001 CR4: 00000000003706f0 [ 55.627875] Call Trace: [ 55.630603] ? execute_location+0x45/0x56 [ 55.635083] ? direct_entry.cold+0x2c/0x38 [ 55.639656] ? full_proxy_write+0x53/0x80 [ 55.644137] ? vfs_write+0xe7/0x3a0 [ 55.648029] ? ksys_write+0x68/0xf0 [ 55.651922] ? do_syscall_64+0x30/0x40 [ 55.656105] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 55.661932] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 55.688374] CR2: ffffffff854d1220 [ 55.692069] ---[ end trace 05348d993f728f61 ]--- [ 55.697224] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 55.701599] Code: 89 ff e8 1e 77 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 a0 93 93 02 [ 55.722581] RSP: 0018:ffffa7e001487e60 EFLAGS: 00010282 [ 55.728415] RAX: ffffffff846e32b0 RBX: 0000000000000001 RCX: 0000000000000000 [ 55.736384] RDX: 0000000000000000 RSI: ffff9d353ad9bf70 RDI: ffffffff854d0d90 [ 55.744353] RBP: ffffffff85917418 R08: 0000000000000001 R09: 0000000000000001 [ 55.752323] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 55.760293] R13: ffffa7e001487f10 R14: ffffa7e001487f10 R15: ffff9d34c473d000 [ 55.768264] FS: 00007fc753ab0580(0000) GS:ffff9d353ac00000(0000) knlGS:0000000000000000 [ 55.777302] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.783717] CR2: ffffffff854d1220 CR3: 0000000104ca2001 CR4: 00000000003706f0 [ 55.791689] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 55.801601] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1789, name: cat [ 55.810056] INFO: lockdep is turned off. [ 55.814433] irq event stamp: 0 [ 55.817839] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 55.824839] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 55.833966] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 55.843094] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 55.850086] CPU: 0 PID: 1789 Comm: cat Tainted: G D W 5.10.162-cip23 #1 [ 55.858727] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 55.865532] Call Trace: [ 55.868261] dump_stack+0x77/0x9b [ 55.871966] ___might_sleep.cold+0xa6/0xb6 [ 55.876545] exit_signals+0x1c/0x2e0 [ 55.880539] do_exit+0xc2/0xaf0 [ 55.884042] ? ksys_write+0x68/0xf0 [ 55.887937] rewind_stack_do_exit+0x17/0x20 [ 55.892609] RIP: 0033:0x7fc7539c6833 [ 55.896599] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 55.917583] RSP: 002b:00007ffe6487f5a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 55.926040] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fc7539c6833 [ 55.934010] RDX: 000000000000000c RSI: 00007fc7538b9000 RDI: 0000000000000001 [ 55.941980] RBP: 00007fc7538b9000 R08: 00007fc7538b8010 R09: 0000000000000000 [ 55.949950] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 55.957920] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 Performing direct entry READ_BUDDY_AFTER_FREE # [ 52.521874] lkdtm: Value in memory before free: 12345678 # [ 52.527840] lkdtm: Attempting to read from freed memory # [ 52.533680] lkdtm: Buddy page was not poisoned # READ_BUDDY_AFTER_FREE: missing 'call trace:': [FAIL] not ok 22 selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh # exit=1 # selftests: lkdtm: SLAB_FREE_DOUBLE.sh # [ 52.618142] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 52.625775] lkdtm: Attempting double slab free ... # SLAB_FREE_DOUBLE: missing 'call trace:': [FAIL] not ok 23 selftests: lkdtm: SLAB_FREE_DOUBLE.sh # exit=1 # selftests: lkdtm: SLAB_FREE_CROSS.sh # [ 52.716975] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 52.724267] 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 # [ 52.857938] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 52.866657] 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[ 56.093406] lkdtm: Performing direct entry EXEC_USERSPACE [ 56.102455] lkdtm: attempting ok execution at ffffffff846e3680 [ 56.108987] lkdtm: attempting bad execution at 00007f9bc17c4000 [ 56.115614] unable to execute userspace code (SMEP?) (uid: 0) [ 56.122034] BUG: unable to handle page fault for address: 00007f9bc17c4000 [ 56.129713] #PF: supervisor instruction fetch in kernel mode [ 56.136030] #PF: error_code(0x0011) - permissions violation [ 56.142251] PGD 8000000104c76067 P4D 8000000104c76067 PUD 102995067 PMD 104d4e067 PTE 10d7df067 [ 56.151971] Oops: 0011 [#10] SMP PTI [ 56.155959] CPU: 3 PID: 1825 Comm: cat Tainted: G D W 5.10.162-cip23 #1 [ 56.164610] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 56.171415] RIP: 0010:0x7f9bc17c4000 [ 56.175403] Code: Unable to access opcode bytes at RIP 0x7f9bc17c3fd6. [ 56.182692] RSP: 0018:ffffa7e00247fe50 EFLAGS: 00010246 [ 56.188525] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 [ 56.196495] RDX: 0000000000000000 RSI: ffff9d353ad9bf70 RDI: ffff9d353ad9bf70 [ 56.204466] RBP: 00007f9bc17c4000 R08: 0000000000000000 R09: 0000000000000000 [ 56.212435] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f [ 56.220405] R13: ffffa7e00247ff10 R14: ffffa7e00247ff10 R15: ffff9d34c56a4000 [ 56.228375] FS: 00007f9bc1795580(0000) GS:ffff9d353ad80000(0000) knlGS:0000000000000000 [ 56.237412] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.243826] CR2: 00007f9bc17c4000 CR3: 0000000104014004 CR4: 00000000003706e0 [ 56.251796] Call Trace: [ 56.254523] ? lkdtm_EXEC_USERSPACE.cold+0x66/0xae the system ok 27 selftests: lkdtm: HARDLOCKUP.sh # SKIP # sel[ 56.259877] ? direct_entry.cold+0x2c/0x38 ft[ests: lkdtm: SPINLOCKUP.sh # Skipping SPINLOCKUP: Hangs the s 56.270667] ? full_proxy_write+0x53/0x80 [ 56.281359] ? vfs_write+0xe7/0x3a0 ystem ok 28 selftests: lkdtm: SPINLOCKUP.sh # SKIP # selftests[ 56.285253] ? ksys_write+0x68/0xf0 [ 56.295359] ? do_syscall_64+0x30/0x40 : lkdtm: HUNG_TASK.sh # Skipping HUNG_TASK: Hangs the system o[ 56.299542] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 56.311592] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify k 29 selftests: lkdtm: HUNG_TASK.sh # SKIP # selftests: lkdtm: [ 56.338046] CR2: 00007f9bc17c4000 [ 56.347956] ---[ end trace 05348d993f728f62 ]--- [ 56.353108] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 56.357484] Code: 89 ff e8 1e 77 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 a0 93 93 02 [ 56.378466] RSP: 0018:ffffa7e001487e60 EFLAGS: 00010282 [ 56.384299] RAX: ffffffff846e32b0 RBX: 0000000000000001 RCX: 0000000000000000 [ 56.392266] RDX: 0000000000000000 RSI: ffff9d353ad9bf70 RDI: ffffffff854d0d90 [ 56.400233] RBP: ffffffff85917418 R08: 0000000000000001 R09: 0000000000000001 [ 56.408200] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 56.416168] R13: ffffa7e001487f10 R14: ffffa7e001487f10 R15: ffff9d34c473d000 [ 56.424136] FS: 00007f9bc1795580(0000) GS:ffff9d353ad80000(0000) knlGS:0000000000000000 [ 56.433173] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.439588] CR2: 00007f9bc17c4000 CR3: 0000000104014004 CR4: 00000000003706e0 EXEC_DATA.sh # Killed # [ 53.096382] lkdtm: Performing direct entry EXEC_DATA # [ 53.107771] lkdtm: attempting ok execution at ffffffff846e3680 # [ 53.114298] lkdtm: attempting bad execution at ffffffff8701c6a0 # [ 53.127150] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 53.135514] BUG: unable to handle page fault for address: ffffffff8701c6a0 # [ 53.149406] #PF: supervisor instruction fetch in kernel mode # [ 53.155724] #PF: error_code(0x0011) - permissions violation # [ 53.161946] PGD 15b429067 P4D 15b429067 PUD 15b42a063 PMD 800000015ca000e3 # [ 53.169724] Oops: 0011 [#5] SMP PTI # [ 53.173614] CPU: 2 PID: 1645 Comm: cat Tainted: G D W 5.10.162-cip23 #1 # [ 53.182264] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 53.189070] RIP: 0010:data_area+0x0/0x40 # [ 53.193446] Code: ff ff 00 72 48 c4 34 9d ff ff 00 71 48 c4 34 9d 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 # [ 53.214423] RSP: 0018:ffffa7e0021efe48 EFLAGS: 00010246 # [ 53.220255] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 53.228223] RDX: 0000000000000000 RSI: ffff9d353ad1bf[ 56.566646] lkdtm: Performing direct entry EXEC_NULL 70 RDI: ffff9d353ad1bf70 # [ 53.236192] RBP: ffffffff8701c6a0[ 56.577452] lkdtm: attempting ok execution at ffffffff846e3680 R08: 0000000000000000 R09: 0000000000000000 # [ 53.244161] R[ 56.590212] lkdtm: attempting bad execution at 0000000000000000 10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a[ 56.603027] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 56.617017] #PF: supervisor instruction fetch in kernel mode [ 56.623336] #PF: error_code(0x0010) - not-present page [ 56.629071] PGD 0 P4D 0 [ 56.631895] Oops: 0010 [#11] SMP PTI [ 56.635882] CPU: 1 PID: 1861 Comm: cat Tainted: G D W 5.10.162-cip23 #1 [ 56.644531] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 56.651336] RIP: 0010:0x0 [ 56.654248] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. [ 56.661919] RSP: 0018:ffffa7e00248fe48 EFLAGS: 00010246 [ 56.667743] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 56.675713] RDX: 0000000000000000 RSI: ffff9d353ac9bf70 RDI: ffff9d353ac9bf70 [ 56.683680] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 56.691648] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 56.699617] R13: ffffa7e00248ff10 R14: ffffa7e00248ff10 R15: ffff9d34c402c000 [ 56.707586] FS: 00007f1f2e735580(0000) GS:ffff9d353ac80000(0000) knlGS:0000000000000000 [ 56.716622] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.723038] CR2: ffffffffffffffd6 CR3: 00000001055b6006 CR4: 00000000003706e0 [ 56.731017] Call Trace: [ 56.733738] execute_location+0x45/0x56 # [ 53.252129] R13: ffffa7e0021eff10 R14: ffffa7e0021eff10 R[ 56.738022] direct_entry.cold+0x2c/0x38 [ 56.748613] full_proxy_write+0x53/0x80 15: ffff9d34c3d2f000 # [ 53.260100] FS: 00007f22633f6580(000[ 56.752897] vfs_write+0xe7/0x3a0 [ 56.762805] ksys_write+0x68/0xf0 [ 56.766494] do_syscall_64+0x30/0x40 [ 56.770484] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 56.776113] RIP: 0033:0x7f1f2e64b833 [ 56.780101] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 56.801085] RSP: 002b:00007ffec7744a98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 56.809540] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f1f2e64b833 [ 56.817509] RDX: 000000000000000a RSI: 00007f1f2e53e000 RDI: 0000000000000001 [ 56.825477] RBP: 00007f1f2e53e000 R08: 00007f1f2e53d010 R09: 0000000000000000 [ 56.833447] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 56.841415] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0) GS:ffff9d353ad00000(0000) knlGS:0000000000000000 # [ 53.26[ 56.849391] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 56.882029] CR2: 0000000000000000 [ 56.885728] ---[ end trace 05348d993f728f63 ]--- [ 56.890882] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 56.895259] Code: 89 ff e8 1e 77 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 a0 93 93 02 [ 56.916243] RSP: 0018:ffffa7e001487e60 EFLAGS: 00010282 [ 56.922066] RAX: ffffffff846e32b0 RBX: 0000000000000001 RCX: 0000000000000000 [ 56.930036] RDX: 0000000000000000 RSI: ffff9d353ad9bf70 RDI: ffffffff854d0d90 [ 56.938016] RBP: ffffffff85917418 R08: 0000000000000001 R09: 0000000000000001 [ 56.945985] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 56.953954] R13: ffffa7e001487f10 R14: ffffa7e001487f10 R15: ffff9d34c473d000 [ 56.961924] FS: 00007f1f2e735580(0000) GS:ffff9d353ac80000(0000) knlGS:0000000000000000 [ 56.970961] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.977378] CR2: ffffffffffffffd6 CR3: 00000001055b6006 CR4: 00000000003706e0 [ 56.985347] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 56.995256] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1861, name: cat [ 57.003710] INFO: lockdep is turned off. [ 57.008088] irq event stamp: 0 [ 57.011492] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 57.018490] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 57.027626] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 57.036759] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 57.043757] CPU: 1 PID: 1861 Comm: cat Tainted: G D W 5.10.162-cip23 #1 [ 57.052403] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 57.059206] Call Trace: [ 57.061933] dump_stack+0x77/0x9b [ 57.065631] ___might_sleep.cold+0xa6/0xb6 [ 57.070204] exit_signals+0x1c/0x2e0 [ 57.074193] do_exit+0xc2/0xaf0 [ 57.077694] ? ksys_write+0x68/0xf0 [ 57.081577] rewind_stack_do_exit+0x17/0x20 9138] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 5[ 57.086245] RIP: 0033:0x7f1f2e64b833 [ 57.096446] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 57.117427] RSP: 002b:00007ffec7744a98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 57.125883] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f1f2e64b833 [ 57.133853] RDX: 000000000000000a RSI: 00007f1f2e53e000 RDI: 0000000000000001 [ 57.141822] RBP: 00007f1f2e53e000 R08: 00007f1f2e53d010 R09: 0000000000000000 [ 57.149790] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 57.157757] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 3.275555] CR2: ffffffff8701c6a0 CR3: 0000000103cf8001 CR4: 00000000003706e0 # [ 53.283522] Call Trace: # [ 53.286251] ? execute_location+0x45/0x56 # [ 53.290724] ? direct_entry.cold+0x2c/0x38 # [ 53.295288] ? full_proxy_write+0x53/0x80 # [ 53.299763] ? vfs_write+0xe7/0x3a0 # [ 53.303655] ? ksys_write+0x68/0xf0 # [ 53.307539] ? do_syscall_64+0x30/0x40 # [ 53.311722] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 53.317558] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 53.344013] CR2: ffffffff8701c6a0 # [ 53.353923] ---[ end trace 05348d993f728f5d ]--- # [ 53.359076] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 53.363451] Code: 89 ff e8 1e 77 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 a0 93 93 02 # [ 53.384432] RSP: 0018:ffffa7e001487e60 EFLAGS: 00010282 # [ 53.390263] RAX: ffffffff846e32b0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 53.398231] RDX: 0000000000000000 RSI: ffff9d353ad9bf70 RDI: ffffffff854d0d90 # [ 53.406199] RBP: ffffffff85917418 R08: 0000000000000001 R09: 0000000000000001 # [ 53.414166] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 53.422133] R13: ffffa7e001487f10 R14: ffffa7e001487f10 R15: ffff9d34c473d000 # [ 53.430101] FS: 00007f22633f6580(0000) GS:ffff9d353ad00000(0000) knlGS:0000000000000000 # [ 53.439137] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 53.445550] CR2: ffffffff8701c6a0 CR3: 0000000103cf8001 CR4: 00000000003706e0 # [ 53.453519] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 53.463428] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1645, name: cat # [ 53.471881] INFO: lockdep is turned off. # [ 57.362191] lkdtm: Performing direct entry ACCESS_USERSPACE [ 57.370843] lkdtm: attempting bad read at 00007f81bfa3c000 [ 57.376991] BUG: unable to handle page fault for address: 00007f81bfa3c000 [ 57.384678] #PF: supervisor read access in kernel mode [ 57.390414] #PF: error_code(0x0001) - permissions violation [ 57.396635] PGD 80000001030f2067 P4D 80000001030f2067 PUD 104f61067 PMD 103186067 PTE 1076cb067 [ 57.406357] Oops: 0001 [#12] SMP PTI [ 57.410336] CPU: 2 PID: 1896 Comm: cat Tainted: G D W 5.10.162-cip23 #1 [ 57.418984] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 57.425791] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 [ 57.432019] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 90 cd 8b 85 e8 b8 96 fd ff 48 c7 c7 b8 cd 8b 85 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 9f 96 fd ff 48 89 ee 48 c7 c7 e0 cd 8b [ 57.453009] RSP: 0018:ffffa7e00258fe48 EFLAGS: 00010246 [ 53.476255] irq event stamp: 0 # [ 53.479659] hardirqs las[ 57.458850] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 [ 57.473033] RDX: 0000000000000000 RSI: ffff9d353ad1bf70 RDI: ffffffff858bcdb8 [ 57.481016] RBP: 00007f81bfa3c000 R08: 0000000000000000 R09: 0000000000000000 [ 57.488983] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 [ 57.496952] R13: ffffa7e00258ff10 R14: ffffa7e00258ff10 R15: ffff9d34c0e40000 [ 57.504921] FS: 00007f81bfa0d580(0000) GS:ffff9d353ad00000(0000) knlGS:0000000000000000 [ 57.513955] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.520368] CR2: 00007f81bfa3c000 CR3: 0000000105d3e002 CR4: 00000000003706e0 [ 57.528337] Call Trace: [ 57.531072] direct_entry.cold+0x2c/0x38 [ 57.535451] full_proxy_write+0x53/0x80 [ 57.539733] vfs_write+0xe7/0x3a0 [ 57.543429] ksys_write+0x68/0xf0 [ 57.547127] do_syscall_64+0x30/0x40 [ 57.551116] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 57.556753] RIP: 0033:0x7f81bf923833 [ 57.560739] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 57.581719] RSP: 002b:00007ffce1cdb6d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 57.590174] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f81bf923833 [ 57.598140] RDX: 0000000000000011 RSI: 00007f81bf816000 RDI: 0000000000000001 [ 57.606108] RBP: 00007f81bf816000 R08: 00007f81bf815010 R09: 0000000000000000 [ 57.614077] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 57.622047] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 57.630072] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify t enabled at (0): [<0000000000000000>] 0x0 # [ 53.486658] ha[ 57.656523] CR2: 00007f81bfa3c000 [ 57.666431] ---[ end trace 05348d993f728f64 ]--- [ 57.671584] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 57.675958] Code: 89 ff e8 1e 77 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 a0 93 93 02 [ 57.696939] RSP: 0018:ffffa7e001487e60 EFLAGS: 00010282 [ 57.702771] RAX: ffffffff846e32b0 RBX: 0000000000000001 RCX: 0000000000000000 [ 57.710740] RDX: 0000000000000000 RSI: ffff9d353ad9bf70 RDI: ffffffff854d0d90 [ 57.718707] RBP: ffffffff85917418 R08: 0000000000000001 R09: 0000000000000001 [ 57.726675] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 57.734643] R13: ffffa7e001487f10 R14: ffffa7e001487f10 R15: ffff9d34c473d000 [ 57.742609] FS: 00007f81bfa0d580(0000) GS:ffff9d353ad00000(0000) knlGS:0000000000000000 [ 57.751645] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.758067] CR2: 00007f81bfa3c000 CR3: 0000000105d3e002 CR4: 00000000003706e0 rdirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 53.495783] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 53.504917] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 53.511913] CPU: 2 PID: 1645 Comm: cat Tainted: G D W 5.10.162-cip23 #1 # [ 53.520560] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 53.527363] Call Trace: # [ 53.530090] dump_stack+0x77/0x9b # [ 53.533779] ___might_sleep.cold+0xa6/0xb6 # [ 53.538350] exit_signals+0x1c/0x2e0 # [ 53.542338] do_exit+0xc2/0xaf0 # [ 53.545839] ? ksys_write+0x68/0xf0 # [ 53.549732] rewind_stack_do_exit+0x17/0x20 # [ 53.554399] RIP: 0033:0x7f226330c833 # [ 53.558386] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 53.579367] RSP: 002b:00007ffdef974bd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 53.587821] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f226330c833 # [ 53.595791] RDX: 000000000000000a RSI: 00007f22631ff000 RDI: 0000000000000001 # [ 53.603760] RBP: 00007f22631ff000 R08: 00007f22631fe010[ 57.888719] lkdtm: Performing direct entry ACCESS_NULL R09: 0000000000000000 # [ 53.611729] R10: fffffffffffffbc5 R[ 57.896132] lkdtm: attempting bad read at 0000000000000000 11: 0000000000000246 R12: 0000000000000001 # [ 53.619696] R13[ 57.908481] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 57.922467] #PF: supervisor read access in kernel mode [ 57.928202] #PF: error_code(0x0000) - not-present page [ 57.933938] PGD 0 P4D 0 : 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 57.936765] Oops: 0000 [#13] SMP PTI [ 57.946967] CPU: 1 PID: 1931 Comm: cat Tainted: G D W 5.10.162-cip23 #1 # EXEC_DATA: saw 'call trace:': ok ok 30 selftests: lkdtm: EXEC[ 57.955615] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 57.968633] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 _DATA.sh # selftests: lkdtm: EXEC_STACK.sh # Killed # [ 53.[ 57.973884] Code: 5c 96 fd ff be 00 10 00 00 48 89 ef e8 f5 50 39 ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 90 cd 8b 85 e8 36 96 fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 b8 cd 8b 85 48 01 [ 58.001072] RSP: 0018:ffffa7e00262fe58 EFLAGS: 00010246 [ 58.006904] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 [ 58.014872] RDX: 0000000000000000 RSI: ffff9d353ac9bf70 RDI: ffff9d353ac9bf70 [ 58.022840] RBP: ffffffff858bbe81 R08: 0000000000000000 R09: 0000000000000000 [ 58.030807] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 58.038776] R13: ffffa7e00262ff10 R14: ffffa7e00262ff10 R15: ffff9d34c5c80000 [ 58.046744] FS: 00007f087a04f580(0000) GS:ffff9d353ac80000(0000) knlGS:0000000000000000 [ 58.055780] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.062194] CR2: 0000000000000000 CR3: 0000000104d10002 CR4: 00000000003706e0 [ 58.070162] Call Trace: [ 58.072890] direct_entry.cold+0x2c/0x38 762451] lkdtm: Performing direct entry EXEC_STACK # [ 53.7700[ 58.077269] full_proxy_write+0x53/0x80 [ 58.087761] vfs_write+0xe7/0x3a0 [ 58.091459] ksys_write+0x68/0xf0 [ 58.095157] do_syscall_64+0x30/0x40 [ 58.099144] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 58.104783] RIP: 0033:0x7f0879f65833 [ 58.108761] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 58.129731] RSP: 002b:00007ffd7d9cef58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 58.138176] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f0879f65833 [ 58.146144] RDX: 000000000000000c RSI: 00007f0879e58000 RDI: 0000000000000001 [ 58.154111] RBP: 00007f0879e58000 R08: 00007f0879e57010 R09: 0000000000000000 [ 58.162079] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 58.170046] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 81] lkdtm: attempting ok execution at ffffffff846e3680 # [ 53[ 58.178021] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 58.210650] CR2: 0000000000000000 [ 58.214346] ---[ end trace 05348d993f728f65 ]--- [ 58.219490] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 58.223866] Code: 89 ff e8 1e 77 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 a0 93 93 02 [ 58.244845] RSP: 0018:ffffa7e001487e60 EFLAGS: 00010282 [ 58.250678] RAX: ffffffff846e32b0 RBX: 0000000000000001 RCX: 0000000000000000 [ 58.258644] RDX: 0000000000000000 RSI: ffff9d353ad9bf70 RDI: ffffffff854d0d90 [ 58.266612] RBP: ffffffff85917418 R08: 0000000000000001 R09: 0000000000000001 [ 58.274581] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 58.282549] R13: ffffa7e001487f10 R14: ffffa7e001487f10 R15: ffff9d34c473d000 [ 58.290517] FS: 00007f087a04f580(0000) GS:ffff9d353ac80000(0000) knlGS:0000000000000000 [ 58.299552] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.305966] CR2: 0000000000000000 CR3: 0000000104d10002 CR4: 00000000003706e0 [ 58.313932] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 58.323842] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1931, name: cat [ 58.332286] INFO: lockdep is turned off. [ 58.336661] irq event stamp: 0 [ 58.340073] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 58.347071] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 58.356205] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 58.365338] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 58.372334] CPU: 1 PID: 1931 Comm: cat Tainted: G D W 5.10.162-cip23 #1 [ 58.380980] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 58.387783] Call Trace: [ 58.390510] dump_stack+0x77/0x9b [ 58.394210] ___might_sleep.cold+0xa6/0xb6 [ 58.398782] exit_signals+0x1c/0x2e0 [ 58.402760] do_exit+0xc2/0xaf0 [ 58.406263] ? ksys_write+0x68/0xf0 [ 58.410146] rewind_stack_do_exit+0x17/0x20 [ 58.414813] RIP: 0033:0x7f0879f65833 [ 58.418800] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 58.439781] RSP: 002b:00007ffd7d9cef58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 58.448227] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f0879f65833 [ 58.456195] RDX: 000000000000000c RSI: 00007f0879e58000 RDI: 0000000000000001 [ 58.464161] RBP: 00007f0879e58000 R08: 00007f0879e57010 R09: 0000000000000000 [ 58.472128] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 58.480095] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 .776608] lkdtm: attempting bad execution at ffffa7e00226fe18 # [ 53.783238] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 53.791602] BUG: unable to handle page fault for address: ffffa7e00226fe18 # [ 53.799279] #PF: supervisor instruction fetch in kernel mode # [ 53.805596] #PF: error_code(0x0011) - permissions violation # [ 53.811815] PGD 100000067 P4D 100000067 PUD 100211067 PMD 105558067 PTE 8000000102868063 # [ 53.820855] Oops: 0011 [#6] SMP PTI # [ 53.824747] CPU: 3 PID: 1681 Comm: cat Tainted: G D W 5.10.162-cip23 #1 # [ 53.833385] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 53.840190] RIP: 0010:0xffffa7e00226fe18 # [ 53.844566] Code: 00 00 18 fe 26 02 e0 a7 ff ff c1 28 d7 84 ff ff ff ff 20 00 00 00 00 00 00 00 26 be 8b 85 ff ff ff ff f0 29 d7 84 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 # [ 53.865545] RSP: 0018:ffffa7e00226fdf8 EFLAGS: 00010246 # [ 53.871376] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 53.879345] RDX: 0000000000000000 RSI: ffff9d353ad9bf70 RDI: ffff9d353ad9bf70 # [ 53.887312] RBP: ffffa7e00226fe18 R08: 0000000000000000 R09: 0000000000000000 # [ 53.895279] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 53.903247] R13: ffffa7e00226ff10 R14: ffffa7e00226ff10 R15: ffff9d34c3d03000 # [ 53.911214] FS: 00007f1ecf2c5580(0000) GS:ffff9d353ad80000(0000) knlGS:0000000000000000 # [ 53.920250] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 53.926665] CR2: ffff[ 58.640848] lkdtm: Performing direct entry WRITE_RO [ 58.648942] lkdtm: attempting bad rodata write at ffffffff854d1210 [ 58.655880] BUG: unable to handle page fault for address: ffffffff854d1210 a7[e00226fe18 CR3: 0000000104e94004 CR4: 00000000003706e0 # [ 58.663570] #PF: supervisor write access in kernel mode [ 58.675625] #PF: error_code(0x0003) - permissions violation 53[.934632] Call Trace: # [ 53.937361] ? execute_location+0x4 58.681848] PGD 15b429067 P4D 15b429067 PUD 15b42a063 PMD 800000015ae000e1 [ 58.695846] Oops: 0003 [#14] SMP PTI [ 58.699836] CPU: 2 PID: 1966 Comm: cat Tainted: G D W 5.10.162-cip23 #1 [ 58.708486] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 58.715293] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a [ 58.720250] Code: 00 48 c7 c7 70 cc 8b 85 48 c7 c6 10 12 4d 85 e8 e0 98 fd ff 48 8b 05 1f e9 75 00 ba 34 12 cd ab 48 c7 c7 a0 cc 8b 85 48 31 d0 <48> 89 05 09 e9 75 00 e9 be 98 fd ff 0f 1f 44 00 00 48 8b 05 18 6a [ 58.741230] RSP: 0018:ffffa7e002677e60 EFLAGS: 00010202 [ 58.747069] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 [ 58.755038] RDX: 00000000abcd1234 RSI: ffff9d353ad1bf70 RDI: ffffffff858bcca0 [ 58.763024] RBP: ffffffff858bbe8d R08: 0000000000000000 R09: 0000000000000000 [ 58.770995] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 [ 58.778964] R13: ffffa7e002677f10 R14: ffffa7e002677f10 R15: ffff9d34c29da000 [ 58.786935] FS: 00007f8bbc00a580(0000) GS:ffff9d353ad00000(0000) knlGS:0000000000000000 [ 58.795972] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.802388] CR2: ffffffff854d1210 CR3: 0000000103fc2006 CR4: 00000000003706e0 [ 58.810359] Call Trace: [ 58.813086] direct_entry.cold+0x2c/0x38 [ 58.817458] full_proxy_write+0x53/0x80 [ 58.821739] vfs_write+0xe7/0x3a0 [ 58.825426] ksys_write+0x68/0xf0 [ 58.829124] do_syscall_64+0x30/0x40 [ 58.833112] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 58.838752] RIP: 0033:0x7f8bbbf20833 [ 58.842740] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 58.863721] RSP: 002b:00007ffd8053ae68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 58.872176] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f8bbbf20833 [ 58.880144] RDX: 0000000000000009 RSI: 00007f8bbbe13000 RDI: 0000000000000001 [ 58.888113] RBP: 00007f8bbbe13000 R08: 00007f8bbbe12010 R09: 0000000000000000 [ 58.896081] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 58.904069] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 5/0x56 # [ 53.941836] ? lkdtm_EXEC_STACK+0x26/0x44 # [ 53[ 58.912033] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 58.944666] CR2: ffffffff854d1210 [ 58.948363] ---[ end trace 05348d993f728f66 ]--- [ 58.953518] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 58.957893] Code: 89 ff e8 1e 77 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 a0 93 93 02 [ 58.978875] RSP: 0018:ffffa7e001487e60 EFLAGS: 00010282 [ 58.984699] RAX: ffffffff846e32b0 RBX: 0000000000000001 RCX: 0000000000000000 [ 58.992667] RDX: 0000000000000000 RSI: ffff9d353ad9bf70 RDI: ffffffff854d0d90 [ 59.000638] RBP: ffffffff85917418 R08: 0000000000000001 R09: 0000000000000001 [ 59.008606] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 59.016576] R13: ffffa7e001487f10 R14: ffffa7e001487f10 R15: ffff9d34c473d000 [ 59.024546] FS: 00007f8bbc00a580(0000) GS:ffff9d353ad00000(0000) knlGS:0000000000000000 [ 59.033583] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.040017] CR2: ffffffff854d1210 CR3: 0000000103fc2006 CR4: 00000000003706e0 .946309] ? direct_entry.cold+0x2c/0x38 # [ 53.950881] ? full_proxy_write+0x53/0x80 # [ 53.955355] ? vfs_write+0xe7/0x3a0 # [ 53.959238] ? ksys_write+0x68/0xf0 # [ 53.963122] ? do_syscall_64+0x30/0x40 # [ 53.967303] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 53.973138] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 53.999593] CR2: ffffa7e00226fe18 # [ 54.009503] ---[ end trace 05348d993f728f5e ]--- # [ 54.014663] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 54.025251] Code: 89 ff e8 1e 77 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 a0 93 93 02 # [ 54.046234] RSP: 0018:ffffa7e001487e60 EFLAGS: 00010282 # [ 54.052071] RAX: ffffffff846e32b0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 54.060041] RDX: 0000000000000000 RSI: ffff9d353ad9bf70 RDI: ffffffff854d0d90 # [ 54.068016] RBP: ffffffff85917418 R08: 0000000000000001 R09: 0000000000000001 # [ 54.075985] R10: 00000000ffffe000 R11: 3fffffff[ 59.168284] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT ffffffff R12: 0000000000000004 # [ 54.083952] R13: ffffa7e001[ 59.178843] lkdtm: attempting bad ro_after_init write at ffffffff85939330 487f10 R14: ffffa7e001487f10 R15: ffff9d34c473d000 # [ 54.091[ 59.192657] BUG: unable to handle page fault for address: ffffffff85939330 [ 59.206535] #PF: supervisor write access in kernel mode [ 59.212370] #PF: error_code(0x0003) - permissions violation 920] FS: 00007f1ecf2c5580(0000) GS:ffff9d353ad80000(0000) knlGS[ 59.218593] PGD 15b429067 P4D 15b429067 PUD 15b42a063 PMD 104a5c063 PTE 800000015b339061 [ 59.233852] Oops: 0003 [#15] SMP PTI [ 59.237841] CPU: 1 PID: 2001 Comm: cat Tainted: G D W 5.10.162-cip23 #1 [ 59.246479] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 59.253286] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a :0000000000000000 # [ 54.100957] CS: 0010 DS: 0000 ES: 0000 [ 59.259313] Code: cc 8b 85 e9 92 98 fd ff 48 c7 c7 f8 cc 8b 85 e8 86 98 fd ff 48 8b 05 e5 69 bc 00 ba 34 12 cd ab 48 c7 c7 a0 cc 8b 85 48 31 d0 <48> 89 05 cf 69 bc 00 e9 64 98 fd ff 0f 1f 44 00 00 41 54 48 c7 c7 [ 59.286502] RSP: 0018:ffffa7e00272fe60 EFLAGS: 00010202 [ 59.292324] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 [ 59.300291] RDX: 00000000abcd1234 RSI: ffff9d353ac9bf70 RDI: ffffffff858bcca0 [ 59.308258] RBP: ffffffff858bbe96 R08: 0000000000000000 R09: 0000000000000000 [ 59.316225] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 [ 59.324191] R13: ffffa7e00272ff10 R14: ffffa7e00272ff10 R15: ffff9d34c3fbc000 [ 59.332158] FS: 00007f4f1dfc8580(0000) GS:ffff9d353ac80000(0000) knlGS:0000000000000000 [ 59.341191] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.347603] CR2: ffffffff85939330 CR3: 00000001055cc001 CR4: 00000000003706e0 [ 59.355571] Call Trace: [ 59.358297] direct_entry.cold+0x2c/0x38 [ 59.362675] full_proxy_write+0x53/0x80 CR0: 0000000080050033 # [ 54.107372] CR2: ffffa7e00226fe18 CR[ 59.366955] vfs_write+0xe7/0x3a0 [ 59.376863] ksys_write+0x68/0xf0 [ 59.380560] do_syscall_64+0x30/0x40 [ 59.384547] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 59.390186] RIP: 0033:0x7f4f1dede833 [ 59.394164] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 59.415143] RSP: 002b:00007ffc82b3c498 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 59.423595] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f4f1dede833 [ 59.431561] RDX: 0000000000000014 RSI: 00007f4f1ddd1000 RDI: 0000000000000001 [ 59.439528] RBP: 00007f4f1ddd1000 R08: 00007f4f1ddd0010 R09: 0000000000000000 [ 59.447497] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 59.455456] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 3: 0000000104e94004 CR4: 00000000003706e0 # EXEC_STACK: saw 'ca[ 59.463428] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 59.496070] CR2: ffffffff85939330 [ 59.499767] ---[ end trace 05348d993f728f67 ]--- [ 59.504920] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 59.509295] Code: 89 ff e8 1e 77 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 a0 93 93 02 [ 59.530275] RSP: 0018:ffffa7e001487e60 EFLAGS: 00010282 [ 59.536100] RAX: ffffffff846e32b0 RBX: 0000000000000001 RCX: 0000000000000000 [ 59.544071] RDX: 0000000000000000 RSI: ffff9d353ad9bf70 RDI: ffffffff854d0d90 [ 59.552039] RBP: ffffffff85917418 R08: 0000000000000001 R09: 0000000000000001 [ 59.560017] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 59.567985] R13: ffffa7e001487f10 R14: ffffa7e001487f10 R15: ffff9d34c473d000 [ 59.575955] FS: 00007f4f1dfc8580(0000) GS:ffff9d353ac80000(0000) knlGS:0000000000000000 [ 59.584982] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.591396] CR2: ffffffff85939330 CR3: 00000001055cc001 CR4: 00000000003706e0 ll trace:': ok ok 31 selftests: lkdtm: EXEC_STACK.sh # selftests: lkdtm: EXEC_KMALLOC.sh # Killed # [ 54.231473] lkdtm: Performing direct entry EXEC_KMALLOC # [ 54.239331] lkdtm: attempting ok execution at ffffffff846e3680 # [ 54.252059] lkdtm: attempting bad execution at ffff9d34c3d2ea40 # [ 54.264923] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 54.279448] BUG: unable to handle page fault for address: ffff9d34c3d2ea40 # [ 54.287127] #PF: supervisor instruction fetch in kernel mode # [ 54.293444] #PF: error_code(0x0011) - permissions violation # [ 54.299664] PGD 15cc01067 P4D 15cc01067 PUD 10084e063 PMD 103c73063 PTE 8000000103d2e063 # [ 54.308710] Oops: 0011 [#7] SMP PTI # [ 54.312601] CPU: 0 PID: 1717 Comm: cat Tainted: G D W 5.10.162-cip23 #1 # [ 54.321240] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 54.328065] RIP: 0010:0xffff9d34c3d2ea40 # [ 54.332441] Code: 00 00 02 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 1b 25 f0 83 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 # [ 54.353414] RSP: 0018:ffffa7e0022dfe38 EFLAGS: 00010246 # [ 54.359237] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 54.367203] RDX: 000000[ 59.728270] lkdtm: Performing direct entry WRITE_KERN 0000000000 RSI: ffff9d353ac1bf70 RDI: ffff9d353ac1bf70 # [ 54[ 59.735567] lkdtm: attempting bad 6877675 byte write at ffffffff84d7286b .375172] RBP: ffff9d34c3d2ea40 R08: 0000000000000000 R09: 000000[ 59.749274] BUG: unable to handle page fault for address: ffffffff84d7286b [ 59.763159] #PF: supervisor write access in kernel mode [ 59.768995] #PF: error_code(0x0003) - permissions violation 00[00000000 # [ 54.383142] R10: 00000000ffffe000 R11: 3fffffff 59.775216] PGD 15b429067 P4D 15b429067 PUD 15b42a063 PMD 15a6000e1 [ 59.788534] Oops: 0003 [#16] SMP PTI [ 59.792512] CPU: 1 PID: 2036 Comm: cat Tainted: G D W 5.10.162-cip23 #1 [ 59.801160] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 59.807965] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e ffffffff R12: 000000000000000d # [ 54.391108] R13: ffffa7e002[ 59.813119] Code: 53 48 c7 c3 6b 28 d7 84 49 89 dc 48 89 da 49 81 ec 80 36 6e 84 4c 89 e6 e8 39 98 fd ff 48 89 df 4c 89 e1 48 c7 c6 80 36 6e 84 a4 48 c7 c7 a0 cc 8b 85 e8 1e 98 fd ff 5b 41 5c e9 b7 fe ff ff [ 59.840310] RSP: 0018:ffffa7e0027bfe50 EFLAGS: 00010246 [ 59.846134] RAX: 000000000000003c RBX: ffffffff84d7286b RCX: 000000000068f1eb [ 59.854102] RDX: 0000000000000000 RSI: ffffffff846e3680 RDI: ffffffff84d7286b [ 59.862079] RBP: ffffffff858bbeaa R08: 0000000000000000 R09: 0000000000000000 [ 59.870045] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000068f1eb [ 59.878019] R13: ffffa7e0027bff10 R14: ffffa7e0027bff10 R15: ffff9d34c570d000 [ 59.885988] FS: 00007f62a87e4580(0000) GS:ffff9d353ac80000(0000) knlGS:0000000000000000 [ 59.895024] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.901438] CR2: ffffffff84d7286b CR3: 00000001030fe006 CR4: 00000000003706e0 [ 59.909404] Call Trace: [ 59.912133] direct_entry.cold+0x2c/0x38 2dff10 R14: ffffa7e0022dff10 R15: ffff9d34c314a000 # [ 54.399[ 59.916511] full_proxy_write+0x53/0x80 [ 59.927020] vfs_write+0xe7/0x3a0 075] FS: 00007f9e703f4580(0000) GS:ffff9d353ac00000(0000) knlGS[ 59.930719] ksys_write+0x68/0xf0 [ 59.940627] do_syscall_64+0x30/0x40 [ 59.944617] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 59.950255] RIP: 0033:0x7f62a86fa833 [ 59.954241] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 59.975221] RSP: 002b:00007fff4a801658 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 59.983675] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f62a86fa833 [ 59.991643] RDX: 000000000000000b RSI: 00007f62a85ed000 RDI: 0000000000000001 [ 59.999610] RBP: 00007f62a85ed000 R08: 00007f62a85ec010 R09: 0000000000000000 [ 60.007576] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 60.015544] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 :0000000000000000 # [ 54.408111] CS: 0010 DS: 0000 ES: 0000 [ 60.023515] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 60.056146] CR2: ffffffff84d7286b [ 60.059842] ---[ end trace 05348d993f728f68 ]--- [ 60.065020] RIP: 0010:lkdtm_BUG+0x5/0x10 CR0: 0000000080050033 # [ 54.414524] CR2: ffff9d34c3d2ea40 CR[ 60.069396] Code: 89 ff e8 1e 77 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 a0 93 93 02 [ 60.096585] RSP: 0018:ffffa7e001487e60 EFLAGS: 00010282 [ 60.102417] RAX: ffffffff846e32b0 RBX: 0000000000000001 RCX: 0000000000000000 [ 60.110385] RDX: 0000000000000000 RSI: ffff9d353ad9bf70 RDI: ffffffff854d0d90 [ 60.118351] RBP: ffffffff85917418 R08: 0000000000000001 R09: 0000000000000001 [ 60.126318] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 60.134287] R13: ffffa7e001487f10 R14: ffffa7e001487f10 R15: ffff9d34c473d000 [ 60.142256] FS: 00007f62a87e4580(0000) GS:ffff9d353ac80000(0000) knlGS:0000000000000000 [ 60.151284] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.157697] CR2: ffffffff84d7286b CR3: 00000001030fe006 CR4: 00000000003706e0 [ 60.165664] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 60.175573] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 2036, name: cat [ 60.184026] INFO: lockdep is turned off. [ 60.188401] irq event stamp: 0 [ 60.191804] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 60.198802] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 60.207934] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 60.217072] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 60.224080] CPU: 1 PID: 2036 Comm: cat Tainted: G D W 5.10.162-cip23 #1 [ 60.232726] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 60.239527] Call Trace: [ 60.242254] dump_stack+0x77/0x9b [ 60.245953] ___might_sleep.cold+0xa6/0xb6 [ 60.250525] exit_signals+0x1c/0x2e0 [ 60.254513] do_exit+0xc2/0xaf0 [ 60.258020] ? ksys_write+0x68/0xf0 [ 60.261912] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 [ 60.267357] rewind_stack_do_exit+0x17/0x20 [ 60.272019] RIP: 0033:0x7f62a86fa833 [ 60.276023] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 60.297018] RSP: 002b:00007fff4a801658 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 60.305471] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f62a86fa833 [ 60.313437] RDX: 000000000000000b RSI: 00007f62a85ed000 RDI: 0000000000000001 [ 60.321405] RBP: 00007f62a85ed000 R08: 00007f62a85ec010 R09: 0000000000000000 [ 60.329372] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 60.337340] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 3: 0000000102788001 CR4: 00000000003706f0 # [ 54.422494] Call Trace: # [ 54.425222] ? execute_location+0x45/0x56 # [ 54.429702] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 # [ 54.434368] ? direct_entry.cold+0x2c/0x38 # [ 54.438938] ? full_proxy_write+0x53/0x80 # [ 54.443404] ? vfs_write+0xe7/0x3a0 # [ 54.447296] ? ksys_write+0x68/0xf0 # [ 54.451178] ? do_syscall_64+0x30/0x40 # [ 54.455360] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 54.461195] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 54.487634] CR2: ffff9d34c3d2ea40 # [ 54.491321] ---[ end trace 05348d993f728f5f ]--- # [ 54.496475] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 54.500842] Code: 89 ff e8 1e 77 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 a0 93 93 02 # [ 54.521828] RSP: 0018:ffffa7e001487e60 EFLAGS: 00010282 # [ 54.527662] RAX: ffffffff846e32b0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 54.535630] RDX: 0000000000000000 RSI: ffff9d353ad9bf70 RDI: ffffffff854d0d90 # [ 54.543600] RBP: ffffffff85917418 R08: 0000000000000001 R09: 0000000000000001 # [ 54.551571] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 54.559541] R13: ffffa7e001487f10 R14: ffffa7e001487f10 R15: ffff9d34c473d000 # [ 54.567511] FS: 00007f9e703f4580(0000) GS:ffff9d353ac00000(0000) knlGS:0000000000000000 # [ 54.576550] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.582957] CR2: ffff9d34c3d2ea40 CR3: 0000000102788001 CR4: 00000000003706f0 # [ 54.590928] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 54.600831] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1717, name: cat # [ 54.609286] INFO: lockdep is[ 60.539210] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW [ 60.550923] lkdtm: attempting good refcount_inc() without overflow [ 60.557861] lkdtm: attempting bad refcount_inc() overflow [ 60.563916] ------------[ cut here ]------------ [ 60.569088] refcount_t: saturated; leaking memory. [ 60.574466] WARNING: CPU: 2 PID: 2071 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 [ 60.583906] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify turned off. # [ 54.613661] irq event stamp: 0 # [ 54.6170[ 60.610373] CPU: 2 PID: 2071 Comm: cat Tainted: G D W 5.10.162-cip23 #1 [ 60.625234] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 60.632088] RIP: 0010:refcount_warn_saturate+0x51/0x110 [ 60.637956] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 2e 0c 94 01 00 75 ee 48 c7 c7 a8 76 85 85 c6 05 1e 0c 94 01 01 e8 4a 85 98 00 <0f> 0b c3 cc cc cc cc 80 3d 0a 0c 94 01 00 75 cb 48 c7 c7 d0 76 85 [ 60.658940] RSP: 0018:ffffa7e002767e48 EFLAGS: 00010286 [ 60.664807] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 [ 60.672780] RDX: ffff9d353ad2c660 RSI: ffff9d353ad1bf70 RDI: ffff9d353ad1bf70 [ 60.680753] RBP: ffffffff858bbeb5 R08: 0000000000000000 R09: 0000000000000000 [ 60.688726] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 [ 60.696729] R13: ffffa7e002767f10 R14: ffffa7e002767f10 R15: ffff9d34c306c000 [ 60.704701] FS: 00007f9f382e3580(0000) GS:ffff9d353ad00000(0000) knlGS:0000000000000000 [ 60.713742] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.720161] CR2: 00007f9f380ec000 CR3: 0000000103cf8001 CR4: 00000000003706e0 [ 60.728132] Call Trace: [ 60.730866] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 [ 60.736247] direct_entry.cold+0x2c/0x38 [ 60.740663] full_proxy_write+0x53/0x80 [ 60.744976] vfs_write+0xe7/0x3a0 [ 60.748707] ksys_write+0x68/0xf0 [ 60.752440] do_syscall_64+0x30/0x40 [ 60.756462] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 60.762135] RIP: 0033:0x7f9f381f9833 [ 60.766129] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 60.787116] RSP: 002b:00007ffd5ee41958 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 60.795576] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f9f381f9833 [ 60.803576] RDX: 0000000000000016 RSI: 00007f9f380ec000 RDI: 0000000000000001 [ 60.811548] RBP: 00007f9f380ec000 R08: 00007f9f380eb010 R09: 0000000000000000 [ 60.819521] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 66] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [[ 60.827494] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 54.624066] hardirqs last disabled at (0): [[ 60.841687] irq event stamp: 0 ] copy_process+0x664/0x1cb0 # [ 54.633192] softirqs last ena[ 60.851306] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 60.864531] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 60.873695] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 60.882832] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 60.889833] ---[ end trace 05348d993f728f69 ]--- [ 60.895012] lkdtm: Overflow detected: saturated bled at (0): [] copy_process+0x664/0x1cb0 # [ 54.642329] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 54.649330] CPU: 0 PID: 1717 Comm: cat Tainted: G D W 5.10.162-cip23 #1 # [ 54.657971] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 54.664777] Call Trace: # [ 54.667505] dump_stack+0x77/0x9b # [ 54.671210] ___might_sleep.cold+0xa6/0xb6 # [ 54.675788] exit_signals+0x1c/0x2e0 # [ 54.679778] do_exit+0xc2/0xaf0 # [ 54.683281] ? ksys_write+0x68/0xf0 # [ 54.687174] rewind_stack_do_exit+0x17/0x20 # [ 54.691847] RIP: 0033:0x7f9e7030a833 # [ 54.695836] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 54.716812] RSP: 002b:00007ffd3344cc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 54.725268] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f9e7030a833 # [ 54.733237] RDX: 000000000000000d RSI: 00007f9e701fd000 RDI: 0000000000000001 # [ 54.741208] RBP: 00007f9e701fd000 R08: 00007f9e701fc010 R09: 0000000000000000 # [ 54.749177] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 54.757148] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_KMALLOC: saw 'call trace:': ok ok 32 selftests: lkdtm: EXEC_KMALLOC.sh # selftests: lkdtm: EXEC_VMALLOC.sh # Killed # [ 54.932467] lkdtm: Performing direct entry EXEC_VMALLOC # [ 54.938781] lkdtm: attempting ok execution at ffffffff846e3680 # [ 54.945312] lkdtm: attempting bad executi[ 61.057373] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW [ 61.068380] lkdtm: attempting good refcount_add() without overflow [ 61.075318] lkdtm: attempting bad refcount_add() overflow [ 61.081379] ------------[ cut here ]------------ [ 61.086537] refcount_t: saturated; leaking memory. [ 61.091913] WARNING: CPU: 2 PID: 2103 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 on at ffffa7e00036b000 # [ 54.951941] kernel tried to execute[ 61.101346] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 61.134008] CPU: 2 PID: 2103 Comm: cat Tainted: G D W 5.10.162-cip23 #1 NX-protected page - exploit attempt? (uid: 0) # [ 54.960307][ 61.142668] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 BUG: unable to handle page fault for address: ffffa7e00036b000 [ 61.155690] RIP: 0010:refcount_warn_saturate+0x51/0x110 [ 61.167739] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 2e 0c 94 01 00 75 ee 48 c7 c7 a8 76 85 85 c6 05 1e 0c 94 01 01 e8 4a 85 98 00 <0f> 0b c3 cc cc cc cc 80 3d 0a 0c 94 01 00 75 cb 48 c7 c7 d0 76 85 [ 61.188723] RSP: 0018:ffffa7e0028dfe48 EFLAGS: 00010286 [ 61.194559] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 [ 61.202534] RDX: ffff9d353ad2c660 RSI: ffff9d353ad1bf70 RDI: ffff9d353ad1bf70 [ 61.210505] RBP: ffffffff858bbecb R08: 0000000000000000 R09: 0000000000000000 [ 61.218479] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 [ 61.226452] R13: ffffa7e0028dff10 R14: ffffa7e0028dff10 R15: ffff9d34c31da000 [ 61.234425] FS: 00007ff2ee779580(0000) GS:ffff9d353ad00000(0000) knlGS:0000000000000000 [ 61.243465] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.249883] CR2: 00007ff2ee582000 CR3: 0000000102862001 CR4: 00000000003706e0 [ 61.257858] Call Trace: [ 61.260590] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 [ 61.265972] direct_entry.cold+0x2c/0x38 [ 61.270384] full_proxy_write+0x53/0x80 [ 61.274692] vfs_write+0xe7/0x3a0 [ 61.278424] ksys_write+0x68/0xf0 [ 61.282128] do_syscall_64+0x30/0x40 [ 61.286144] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 61.291789] RIP: 0033:0x7ff2ee68f833 [ 61.295780] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 61.316766] RSP: 002b:00007ffd469e16b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 61.325226] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007ff2ee68f833 [ 61.333198] RDX: 0000000000000016 RSI: 00007ff2ee582000 RDI: 0000000000000001 [ 61.341170] RBP: 00007ff2ee582000 R08: 00007ff2ee581010 R09: 0000000000000000 [ 61.349141] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 61.357115] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 61.365091] irq event stamp: 0 # [ 54.967984] #PF: supervisor instruction fetch in kernel mo[ 61.368525] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 61.381740] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 61.390880] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 de # [ 54.974304] #PF: error_code(0x0011) - permissions viola[ 61.400021] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 61.413239] ---[ end trace 05348d993f728f6a ]--- tion # [ 54.980526] PGD 100000067 P4D 100000067 PUD 100211067[ 61.418396] lkdtm: Overflow detected: saturated PMD 1009ee067 PTE 8000000104057063 # [ 54.989566] Oops: 0011 [#8] SMP PTI # [ 54.993457] CPU: 2 PID: 1753 Comm: cat Tainted: G D W 5.10.162-cip23 #1 # [ 55.002106] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 55.008910] RIP: 0010:0xffffa7e00036b000 # [ 55.013287] Code: Unable to access opcode bytes at RIP 0xffffa7e00036afd6. # [ 55.020965] RSP: 0018:ffffa7e00233fe38 EFLAGS: 00010246 # [ 55.026799] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 55.034769] RDX: 0000000000000000 RSI: ffff9d353ad1bf70 RDI: ffff9d353ad1bf70 # [ 55.042738] RBP: ffffa7e00036b000 R08: 0000000000000000 R09: 0000000000000000 # [ 55.050705] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 55.058673] R13: ffffa7e00233ff10 R14: ffffa7e00233ff10 R15: ffff9d34c4057000 # [ 55.066642] FS: 00007f82aee46580(0000) GS:ffff9d353ad00000(0000) knlGS:0000000000000000 # [ 55.075679] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.082093] CR2: ffffa7e00036afd6 CR3: 0000000104ca2004 CR4: 00000000003706e0 # [ 55.090070] Call Trace: # [ 55.092800] ? execute_location+0x45/0x56 # [ 55.097277] ? lkdtm_EXEC_VMALLOC+0x20/0x30 # [ 55.101943] ? direct_entry.cold+0x2c/0x38 # [ 55.106514] ? full_proxy_write+0x53/0x80 # [ 55.110979] ? vfs_write+0xe7/0x3a0 # [ 55.114869] ? ksys_write+0x68/0xf0 # [ 55.118762] ? do_syscall_64+0x30/0x40 # [ 55.122944] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 55.128782] Modu[ 61.578086] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW [ 61.586428] lkdtm: attempting bad refcount_inc_not_zero() overflow [ 61.593364] ------------[ cut here ]------------ [ 61.598557] refcount_t: saturated; leaking memory. [ 61.603969] WARNING: CPU: 3 PID: 2135 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 les linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_co[ 61.613409] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 61.646061] CPU: 3 PID: 2135 Comm: cat Tainted: G D W 5.10.162-cip23 #1 [ 61.654747] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 61.661556] RIP: 0010:refcount_warn_saturate+0x97/0x110 [ 61.667394] Code: 01 01 e8 27 85 98 00 0f 0b c3 cc cc cc cc 80 3d e9 0b 94 01 00 75 a8 48 c7 c7 a8 76 85 85 c6 05 d9 0b 94 01 01 e8 04 85 98 00 <0f> 0b c3 cc cc cc cc 80 3d c3 0b 94 01 00 75 85 48 c7 c7 00 77 85 [ 61.688379] RSP: 0018:ffffa7e00293fe38 EFLAGS: 00010282 [ 61.694241] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 re industrialio_triggered_buffer kfifo_buf industrialio cros_ec_[ 61.702218] RDX: ffff9d353adac660 RSI: ffff9d353ad9bf70 RDI: ffff9d353ad9bf70 [ 61.716409] RBP: ffffffff858bbb08 R08: 0000000000000000 R09: 0000000000000000 [ 61.724411] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 61.732386] R13: ffffa7e00293ff10 R14: ffffa7e00293ff10 R15: ffff9d34c5457000 [ 61.740388] FS: 00007f12ce757580(0000) GS:ffff9d353ad80000(0000) knlGS:0000000000000000 [ 61.749429] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.755870] CR2: 00007f12ce560000 CR3: 0000000104a58006 CR4: 00000000003706e0 chardev cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_s[ 61.763855] Call Trace: [ 61.772791] __refcount_add_not_zero.constprop.0+0x2a/0x35 ensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [[ 61.778947] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 [ 61.791377] direct_entry.cold+0x2c/0x38 [ 61.795761] full_proxy_write+0x53/0x80 [ 61.800077] vfs_write+0xe7/0x3a0 [ 61.803809] ksys_write+0x68/0xf0 [ 61.807534] do_syscall_64+0x30/0x40 [ 61.811557] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 61.817225] RIP: 0033:0x7f12ce66d833 [ 61.821239] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 61.842226] RSP: 002b:00007ffed6541988 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 61.850685] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f12ce66d833 [ 61.858657] RDX: 000000000000001f RSI: 00007f12ce560000 RDI: 0000000000000001 [ 61.866630] RBP: 00007f12ce560000 R08: 00007f12ce55f010 R09: 0000000000000000 [ 61.874603] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 61.882576] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 61.890573] irq event stamp: 0 55.155242] CR2: ffffa7e00036b000 # [ 55.158939] ---[ end t[ 61.893990] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 61.907202] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 61.916341] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 61.925481] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 61.932484] ---[ end trace 05348d993f728f6b ]--- [ 61.937641] lkdtm: Overflow detected: saturated race 05348d993f728f60 ]--- # [ 55.164083] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 55.168469] Code: 89 ff e8 1e 77 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 a0 93 93 02 # [ 55.189451] RSP: 0018:ffffa7e001487e60 EFLAGS: 00010282 # [ 55.195284] RAX: ffffffff846e32b0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 55.203252] RDX: 0000000000000000 RSI: ffff9d353ad9bf70 RDI: ffffffff854d0d90 # [ 55.211222] RBP: ffffffff85917418 R08: 0000000000000001 R09: 0000000000000001 # [ 55.219191] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 55.227159] R13: ffffa7e001487f10 R14: ffffa7e001487f10 R15: ffff9d34c473d000 # [ 55.235128] FS: 00007f82aee46580(0000) GS:ffff9d353ad00000(0000) knlGS:0000000000000000 # [ 55.244166] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.250581] CR2: ffffa7e00036afd6 CR3: 0000000104ca2004 CR4: 00000000003706e0 # EXEC_VMALLOC: saw 'call trace:': ok ok 33 selftests: lkdtm: EXEC_VMALLOC.sh # selftests: lkdtm: EXEC_RODATA.sh # Killed # [ 55.433704] lkdtm: Performing direct entry EXEC_RODATA # [ 55.444567] lkdtm: attempting ok execution at ffffffff846e3680 # [ 55.457332] lkdtm: attempting bad execution at ffffffff854d1220 # [ 55.470157] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 55.484689] BUG: unable to handle page fault for address: ffffffff854d1220 # [ 55.492366] #PF: supervisor instruction fetch in kernel mode # [ 55.498685] #PF: error_code(0x0011) - permissions violation # [ 55.504905] PGD 15b429067 P4D 15b429067 PUD 15b42a063 PMD 800000015ae000e1 # [ 55.512686] Oops: 0011 [#9] SMP PTI # [ 55.516579] CPU: 0 PID: 1789 Comm: cat Tainted: G D W 5.10.162-cip23 #1 # [ 55.525229] Hardware name: Google Rammus/Rammus, B[ 62.126667] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW IOS 09/04/2020 # [ 55.532036] RIP: 0010:lkdtm_rodata_do_noth[ 62.136803] lkdtm: attempting bad refcount_add_not_zero() overflow ing+0x0/0x10 # [ 55.537798] Code: ff ff 60 3e d7 84 ff ff ff [ 62.149963] ------------[ cut here ]------------ ff 72 c0 8b 85 ff ff ff ff a6 25 d7 84 ff ff ff ff 55 aa 55 aa 0[ 62.161318] refcount_t: saturated; leaking memory. 0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 62.172900] WARNING: CPU: 0 PID: 2167 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 00 00 00 00 00 00 00 54 68 69 73 20 69 # [ 55.558783] RSP: 00[ 62.188532] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 18:ffffa7e0023dfe48 EFLAGS: 00010246 # [ 55.564617] RAX: 0000[ 62.221214] CPU: 0 PID: 2167 Comm: cat Tainted: G D W 5.10.162-cip23 #1 000000000033 RBX: 0000000000000000 RCX: 0000000000000000 # [ [ 62.236093] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 55.572576] RDX: 0000000000000000 RSI: ffff9d353ac1bf70 RDI: ffff[ 62.249126] RIP: 0010:refcount_warn_saturate+0x97/0x110 9d353ac1bf70 # [ 55.580546] RBP: ffffffff854d1220 R08: 000000[ 62.261189] Code: 01 01 e8 27 85 98 00 0f 0b c3 cc cc cc cc 80 3d e9 0b 94 01 00 75 a8 48 c7 c7 a8 76 85 85 c6 05 d9 0b 94 01 01 e8 04 85 98 00 <0f> 0b c3 cc cc cc cc 80 3d c3 0b 94 01 00 75 85 48 c7 c7 00 77 85 0000000000 R09: 0000000000000000 # [ 55.588515] R10: 00000000[ 62.288399] RSP: 0018:ffffa7e0029c7e38 EFLAGS: 00010282 ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 55.5[ 62.300443] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 96485] R13: ffffa7e0023dff10 R14: ffffa7e0023dff10 R15: ffff9d34[ 62.314657] RDX: ffff9d353ac2c660 RSI: ffff9d353ac1bf70 RDI: ffff9d353ac1bf70 c5d96000 # [ 55.604455] FS: 00007fc753ab0580(0000) GS:ffff9d[ 62.328841] RBP: ffffffff858bbb28 R08: 0000000000000000 R09: 0000000000000000 353ac00000(0000) knlGS:0000000000000000 # [ 55.613490] CS: 0[ 62.343039] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f 010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.619904] CR[ 62.357215] R13: ffffa7e0029c7f10 R14: ffffa7e0029c7f10 R15: ffff9d34c5d5a000 2: ffffffff854d1220 CR3: 0000000104ca2001 CR4: 00000000003706f0 [ 62.371432] FS: 00007f106c0ce580(0000) GS:ffff9d353ac00000(0000) knlGS:0000000000000000 # [ 55.627875] Call Trace: # [ 55.630603] ? execute_locat[ 62.386684] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 ion+0x45/0x56 # [ 55.635083] ? direct_entry.cold+0x2c/0x38 [ 62.399317] CR2: 00007f106bed7000 CR3: 00000001040da001 CR4: 00000000003706f0 # [ 55.639656] ? full_proxy_write+0x53/0x80 # [ 55.644137][ 62.413512] Call Trace: ? vfs_write+0xe7/0x3a0 # [ 55.648029] ? ksys_write+0x68/0x[ 62.422454] __refcount_add_not_zero.constprop.0+0x2a/0x35 f0 # [ 55.651922] ? do_syscall_64+0x30/0x40 # [ 55.656105[ 62.434839] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 ] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 55.661932] [ 62.447377] direct_entry.cold+0x2c/0x38 Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensor[ 62.457889] full_proxy_write+0x53/0x80 s_core industrialio_triggered_buffer kfifo_buf industrialio cros[ 62.468450] vfs_write+0xe7/0x3a0 _ec_chardev cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_[ 62.478293] ksys_write+0x68/0xf0 ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 62.488201] do_syscall_64+0x30/0x40 # [ 55.688374] CR2: ffffffff854d1220 # [ 55.692069] ---[ e[ 62.498437] entry_SYSCALL_64_after_hwframe+0x61/0xc6 nd trace 05348d993f728f61 ]--- # [ 55.697224] RIP: 0010:lkdtm[ 62.510346] RIP: 0033:0x7f106bfe4833 _BUG+0x5/0x10 # [ 55.701599] Code: 89 ff e8 1e 77 a3 ff 48 c7[ 62.520502] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 [ 62.547746] RSP: 002b:00007fff616ac8f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00[ 62.562423] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f106bfe4833 00 00 0f 1f 44 00 00 83 05 a0 93 93 02 # [ 55.722581] RSP: 0[ 62.576635] RDX: 000000000000001f RSI: 00007f106bed7000 RDI: 0000000000000001 018:ffffa7e001487e60 EFLAGS: 00010282 # [ 55.728415] RAX: fff[ 62.590816] RBP: 00007f106bed7000 R08: 00007f106bed6010 R09: 0000000000000000 fffff846e32b0 RBX: 0000000000000001 RCX: 0000000000000000 # [ [ 62.605036] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 55.736384] RDX: 0000000000000000 RSI: ffff9d353ad9bf70 RDI: fff[ 62.619237] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 fffff854d0d90 # [ 55.744353] RBP: ffffffff85917418 R08: 00000[ 62.633437] irq event stamp: 0 00000000001 R09: 0000000000000001 # [ 55.752323] R10: 0000000[ 62.643049] hardirqs last enabled at (0): [<0000000000000000>] 0x0 0ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 55.[ 62.656294] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 760293] R13: ffffa7e001487f10 R14: ffffa7e001487f10 R15: ffff9d3[ 62.671638] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 4c473d000 # [ 55.768264] FS: 00007fc753ab0580(0000) GS:ffff9[ 62.687027] softirqs last disabled at (0): [<0000000000000000>] 0x0 d353ac00000(0000) knlGS:0000000000000000 # [ 55.777302] CS: [ 62.700231] ---[ end trace 05348d993f728f6c ]--- 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.783717] C[ 62.711625] lkdtm: Overflow detected: saturated R2: ffffffff854d1220 CR3: 0000000104ca2001 CR4: 00000000003706f0 # [ 55.791689] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 55.801601] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1789, name: cat # [ 55.810056] INFO: lockdep is turned off. # [ 55.814433] irq event stamp: 0 # [ 55.817839] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 55.824839] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 55.833966] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 55.843094] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 55.850086] CPU: 0 PID: 1789 Comm: cat Tainted: G D W 5.10.162-cip23 #1 # [ 55.858727] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 55.865532] Call Trace: # [ 55.868261] dump_stack+0x77/0x9b # [ 55.871966] ___might_sleep.cold+0xa6/0xb6 # [ 55.876545] exit_signals+0x1c/0x2e0 # [ 55.880539] do_exit+0xc2/0xaf0 # [ 55.884042] ? ksys_write+0x68/0xf0 # [ 55.887937] rewind_stack_do_exit+0x17/0x20 # [ 55.892609] RIP: 0033:0x7fc7539c6833 # [ 55.896599] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 55.[ 62.857767] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO [ 62.866123] lkdtm: attempting good refcount_dec() 917583] RSP: 002b:00007ffe6487f5a8 EFLAGS: 00000246 ORIG_RAX: 00[ 62.871385] lkdtm: attempting bad refcount_dec() to zero 00000000000001 # [ 55.926040] RAX: ffffffffffffffda RBX: 0000[ 62.883535] ------------[ cut here ]------------ [ 62.894895] refcount_t: decrement hit 0; leaking memory. [ 62.900888] WARNING: CPU: 2 PID: 2199 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 00000000000c RCX: 00007fc7539c6833 # [ 55.934010] RDX: 000000[ 62.910327] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 62.942981] CPU: 2 PID: 2199 Comm: cat Tainted: G D W 5.10.162-cip23 #1 000000000c RSI: 00007fc7538b9000 RDI: 0000000000000001 # [ 55[ 62.951646] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 62.964656] RIP: 0010:refcount_warn_saturate+0xfb/0x110 [ 62.970495] Code: 58 77 85 85 c6 05 8a 0b 94 01 01 e8 ba 84 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 28 77 85 85 c6 05 71 0b 94 01 01 e8 a0 84 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b [ 62.991507] RSP: 0018:ffffa7e002a4fe48 EFLAGS: 00010286 .941980] RBP: 00007fc7538b9000 R08: 00007fc7538b8010 R09: 000000[ 62.997347] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 [ 63.011536] RDX: ffff9d353ad2c660 RSI: ffff9d353ad1bf70 RDI: ffff9d353ad1bf70 [ 63.019509] RBP: ffffffff858bbee1 R08: 0000000000000000 R09: 0000000000000000 [ 63.027481] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 63.035453] R13: ffffa7e002a4ff10 R14: ffffa7e002a4ff10 R15: ffff9d34c5d37000 [ 63.043430] FS: 00007ff0251ae580(0000) GS:ffff9d353ad00000(0000) knlGS:0000000000000000 [ 63.052470] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.058887] CR2: 00007ff024fb7000 CR3: 0000000103164001 CR4: 00000000003706e0 [ 63.066859] Call Trace: [ 63.069591] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd [ 63.074585] direct_entry.cold+0x2c/0x38 [ 63.078990] full_proxy_write+0x53/0x80 [ 63.083304] vfs_write+0xe7/0x3a0 [ 63.087029] ksys_write+0x68/0xf0 [ 63.090732] do_syscall_64+0x30/0x40 [ 63.094723] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 63.100367] RIP: 0033:0x7ff0250c4833 [ 63.104358] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 63.125341] RSP: 002b:00007ffce54fc168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 63.133800] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007ff0250c4833 [ 63.141773] RDX: 0000000000000012 RSI: 00007ff024fb7000 RDI: 0000000000000001 [ 63.149744] RBP: 00007ff024fb7000 R08: 00007ff024fb6010 R09: 0000000000000000 [ 63.157719] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 63.165692] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 63.173666] irq event stamp: 0 0000000000 # [ 55.949950] R10: fffffffffffffbc5 R11: 00000000[ 63.177099] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 63.190311] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 63.199448] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 63.208586] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 63.215586] ---[ end trace 05348d993f728f6d ]--- [ 63.220744] lkdtm: Zero detected: saturated 00000246 R12: 0000000000000001 # [ 55.957920] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_RODATA: saw 'call trace:': ok ok 34 selftests: lkdtm: EXEC_RODATA.sh # selftests: lkdtm: EXEC_USERSPACE.sh # Killed # [ 56.093406] lkdtm: Performing direct entry EXEC_USERSPACE # [ 56.102455] lkdtm: attempting ok execution at ffffffff846e3680 # [ 56.108987] lkdtm: attempting bad execution at 00007f9bc17c4000 # [ 56.115614] unable to execute userspace code (SMEP?) (uid: 0) # [ 56.122034] BUG: unable to handle page fault for address: 00007f9bc17c4000 # [ 56.129713] #PF: supervisor instruction fetch in kernel mode # [ 56.136030] #PF: error_code(0x0011) - permissions violation # [ 56.142251] PGD 8000000104c76067 P4D 8000000104c76067 PUD 102995067 PMD 104d4e067 PTE 10d7df067 # [ 56.151971] Oops: 0011 [#10] SMP PTI # [ 56.155959] CPU: 3 PID: 1825 Comm: cat Tainted: G D W 5.10.162-cip23 #1 # [ 56.164610] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 56.171415] RIP: 0010:0x7f9bc17c4000 # [ 56.175403] Code: Unable to access opcode bytes at RIP 0x7f9bc17c3fd6. # [ 56.182692] RSP: 0018:ffffa7e00247fe50 EFLAGS: 00010246 # [ 56.188525] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 # [ 56.196495] RDX: 0000000000000000 RSI: ffff9d353ad9bf70 RDI: ffff9d353ad9bf70 # [ 56.204466] RBP: [ 63.360837] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE [ 63.369073] lkdtm: attempting bad refcount_dec() below zero [ 63.375305] ------------[ cut here ]------------ [ 63.380466] refcount_t: decrement hit 0; leaking memory. 00007f9bc17c4000 R08: 0000000000000000 R09: 0000000000000000 # [ 63.386411] WARNING: CPU: 3 PID: 2234 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 [ 56.212435] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: [ 63.402039] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 63.434676] CPU: 3 PID: 2234 Comm: cat Tainted: G D W 5.10.162-cip23 #1 [ 63.443357] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 63.450189] RIP: 0010:refcount_warn_saturate+0xfb/0x110 000000000000000f # [ 56.220405] R13: ffffa7e00247ff10 R14: ff[ 63.456036] Code: 58 77 85 85 c6 05 8a 0b 94 01 01 e8 ba 84 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 28 77 85 85 c6 05 71 0b 94 01 01 e8 a0 84 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b [ 63.483223] RSP: 0018:ffffa7e002a9fe48 EFLAGS: 00010286 [ 63.489073] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 [ 63.497045] RDX: ffff9d353adac660 RSI: ffff9d353ad9bf70 RDI: ffff9d353ad9bf70 [ 63.505037] RBP: ffffffff858bbef3 R08: 0000000000000000 R09: 0000000000000000 [ 63.513023] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 ffa7e00247ff10 R15: ffff9d34c56a4000 # [ 56.228375] FS: 0000[ 63.520994] R13: ffffa7e002a9ff10 R14: ffffa7e002a9ff10 R15: ffff9d34c3fbe000 [ 63.535175] FS: 00007fdf2f069580(0000) GS:ffff9d353ad80000(0000) knlGS:0000000000000000 [ 63.544213] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.550631] CR2: 00007fdf2ee72000 CR3: 0000000103d42003 CR4: 00000000003706e0 [ 63.558600] Call Trace: [ 63.561331] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 [ 63.566704] direct_entry.cold+0x2c/0x38 [ 63.571085] full_proxy_write+0x53/0x80 [ 63.575393] vfs_write+0xe7/0x3a0 [ 63.579118] ksys_write+0x68/0xf0 [ 63.582819] do_syscall_64+0x30/0x40 [ 63.586810] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 63.592452] RIP: 0033:0x7fdf2ef7f833 [ 63.596443] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 63.617423] RSP: 002b:00007ffda56aa9b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 63.625880] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fdf2ef7f833 [ 63.633850] RDX: 0000000000000016 RSI: 00007fdf2ee72000 RDI: 0000000000000001 [ 63.641822] RBP: 00007fdf2ee72000 R08: 00007fdf2ee71010 R09: 0000000000000000 [ 63.649794] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 63.657764] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 7f9bc1795580(0000) GS:ffff9d353ad80000(0000) knlGS:0000000000000[ 63.665742] irq event stamp: 0 000 # [ 56.237412] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008[ 63.675360] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 63.688579] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 63.697745] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 63.706885] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 63.713885] ---[ end trace 05348d993f728f6e ]--- [ 63.719043] lkdtm: Negative detected: saturated 0050033 # [ 56.243826] CR2: 00007f9bc17c4000 CR3: 0000000104014004 CR4: 00000000003706e0 # [ 56.251796] Call Trace: # [ 56.254523] ? lkdtm_EXEC_USERSPACE.cold+0x66/0xae # [ 56.259877] ? direct_entry.cold+0x2c/0x38 # [ 56.270667] ? full_proxy_write+0x53/0x80 # [ 56.281359] ? vfs_write+0xe7/0x3a0 # [ 56.285253] ? ksys_write+0x68/0xf0 # [ 56.295359] ? do_syscall_64+0x30/0x40 # [ 56.299542] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 56.311592] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 56.338046] CR2: 00007f9bc17c4000 # [ 56.347956] ---[ end trace 05348d993f728f62 ]--- # [ 56.353108] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 56.357484] Code: 89 ff e8 1e 77 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 a0 93 93 02 # [ 56.378466] RSP: 0018:ffffa7e001487e60 EFLAGS: 00010282 # [ 56.384299] RAX: ffffffff846e32b0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 56.392266] RDX: 0000000000000000 RSI: ffff9d353ad9bf70 RDI: ffffffff854d0d90 # [ 56.400233] RBP: ffffffff85917418 R08: 0000000000000001 R09: 0000000000000001 # [ 56.408200] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 56.416168] R13: ffffa7e001487f10 R14: ffffa7e001487f10 R15: ffff9d34c473d000 # [ 56.424136][ 63.876960] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE FS: 00007f9bc1795580(0000) GS:ffff9d353ad80000(0000) knlGS:000[ 63.887137] lkdtm: attempting bad refcount_dec_and_test() below zero 0000000000000 # [ 56.433173] CS: 0010 DS: 0000 ES: 0000 CR0:[ 63.900448] ------------[ cut here ]------------ 0000000080050033 # [ 56.439588] CR2: 00007f9bc17c4000 CR3: 0[ 63.911822] refcount_t: underflow; use-after-free. 000000104014004 CR4: 00000000003706e0 # EXEC_USERSPACE: saw 'ca[ 63.923425] WARNING: CPU: 0 PID: 2269 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 ll trace:': ok ok 35 selftests: lkdtm: EXEC_USERSPACE.sh # sel[ 63.939054] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify ftests: lkdtm: EXEC_NULL.sh # Killed # [ 56.566646] lkdtm: P[ 63.971712] CPU: 0 PID: 2269 Comm: cat Tainted: G D W 5.10.162-cip23 #1 erforming direct entry EXEC_NULL # [ 56.577452] lkdtm: attemp[ 63.986586] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 ting ok execution at ffffffff846e3680 # [ 56.590212] lkdtm: a[ 63.999668] RIP: 0010:refcount_warn_saturate+0xba/0x110 ttempting bad execution at 0000000000000000 # [ 56.603027] BU[ 64.011665] Code: 01 01 e8 04 85 98 00 0f 0b c3 cc cc cc cc 80 3d c3 0b 94 01 00 75 85 48 c7 c7 00 77 85 85 c6 05 b3 0b 94 01 01 e8 e1 84 98 00 <0f> 0b c3 cc cc cc cc 80 3d 9e 0b 94 01 00 0f 85 5e ff ff ff 48 c7 G: kernel NULL pointer dereference, address: 0000000000000000 #[ 64.038914] RSP: 0018:ffffa7e002b27e40 EFLAGS: 00010286 [ 56.617017] #PF: supervisor instruction fetch in kernel mode[ 64.050953] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 # [ 56.623336] #PF: error_code(0x0010) - not-present page #[ 64.065219] RDX: ffff9d353ac2c660 RSI: ffff9d353ac1bf70 RDI: ffff9d353ac1bf70 [ 56.629071] PGD 0 P4D 0 # [ 56.631895] Oops: 0010 [#11] [ 64.079397] RBP: ffffffff858bbb48 R08: 0000000000000000 R09: 0000000000000000 SMP PTI # [ 56.635882] CPU: 1 PID: 1861 Comm: cat Tainted: G [ 64.093632] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f D W 5.10.162-cip23 #1 # [ 56.644531] Hardware na[ 64.107826] R13: ffffa7e002b27f10 R14: ffffa7e002b27f10 R15: ffff9d34c3d4f000 me: Google Rammus/Rammus, BIOS 09/04/2020 # [ 56.651336] RIP[ 64.122011] FS: 00007efe002c4580(0000) GS:ffff9d353ac00000(0000) knlGS:0000000000000000 : 0010:0x0 # [ 56.654248] Code: Unable to access opcode bytes[ 64.137312] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 at RIP 0xffffffffffffffd6. # [ 56.661919] RSP: 0018:ffffa7e0[ 64.149957] CR2: 00007efe000cd000 CR3: 0000000103030003 CR4: 00000000003706f0 0248fe48 EFLAGS: 00010246 # [ 56.667743] RAX: 000000000000003[ 64.164149] Call Trace: 3 RBX: 0000000000000000 RCX: 0000000000000000 # [ 56.675713] [ 64.173106] __refcount_sub_and_test.constprop.0+0x3c/0x50 RDX: 0000000000000000 RSI: ffff9d353ac9bf70 RDI: ffff9d353ac9bf7[ 64.185443] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 0 # [ 56.683680] RBP: 0000000000000000 R08: 0000000000000000 [ 64.197870] direct_entry.cold+0x2c/0x38 R09: 0000000000000000 # [ 56.691648] R10: 00000000ffffe000 R1[ 64.208473] full_proxy_write+0x53/0x80 1: 3fffffffffffffff R12: 000000000000000a # [ 56.699617] R13:[ 64.218982] vfs_write+0xe7/0x3a0 ffffa7e00248ff10 R14: ffffa7e00248ff10 R15: ffff9d34c402c000 #[ 64.228882] ksys_write+0x68/0xf0 [ 56.707586] FS: 00007f1f2e735580(0000) GS:ffff9d353ac80000([ 64.238780] do_syscall_64+0x30/0x40 0000) knlGS:0000000000000000 # [ 56.716622] CS: 0010 DS: 000[ 64.249033] entry_SYSCALL_64_after_hwframe+0x61/0xc6 0 ES: 0000 CR0: 0000000080050033 # [ 56.723038] CR2: ffffffff[ 64.260879] RIP: 0033:0x7efe001da833 [ 64.271064] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 ffffffd6 CR3: 00000001055b6006 CR4: 00000000003706e0 # [ 56.7[ 64.292099] RSP: 002b:00007ffd7d3c72b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 31017] Call Trace: # [ 56.733738] execute_location+0x45/0x56[ 64.306755] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007efe001da833 # [ 56.738022] direct_entry.cold+0x2c/0x38 # [ 56.748613[ 64.320944] RDX: 000000000000001f RSI: 00007efe000cd000 RDI: 0000000000000001 ] full_proxy_write+0x53/0x80 # [ 56.752897] vfs_write+0xe7/[ 64.335117] RBP: 00007efe000cd000 R08: 00007efe000cc010 R09: 0000000000000000 0x3a0 # [ 56.762805] ksys_write+0x68/0xf0 # [ 56.766494] [ 64.349301] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 do_syscall_64+0x30/0x40 # [ 56.770484] entry_SYSCALL_64_aft[ 64.363529] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 er_hwframe+0x61/0xc6 # [ 56.776113] RIP: 0033:0x7f1f2e64b833 [ 64.377733] irq event stamp: 0 # [ 56.780101] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c[ 64.387362] hardirqs last enabled at (0): [<0000000000000000>] 0x0 0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14[ 64.400568] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 4[ 64.415944] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 8 83 ec 28 48 89 54 24 18 # [ 56.801085] RSP: 002b:00007ffec7[ 64.431333] softirqs last disabled at (0): [<0000000000000000>] 0x0 744a98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 56.809[ 64.444535] ---[ end trace 05348d993f728f6f ]--- 540] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f1f2e[ 64.455945] lkdtm: Negative detected: saturated 64b833 # [ 56.817509] RDX: 000000000000000a RSI: 00007f1f2e53e000 RDI: 0000000000000001 # [ 56.825477] RBP: 00007f1f2e53e000 R08: 00007f1f2e53d010 R09: 0000000000000000 # [ 56.833447] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 56.841415] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 56.849391] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 56.882029] CR2: 0000000000000000 # [ 56.885728] ---[ end trace 05348d993f728f63 ]--- # [ 56.890882] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 56.895259] Code: 89 ff e8 1e 77 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 a0 93 93 02 # [ 56.916243] RSP: 0018:ffffa7e001487e60 EFLAGS: 00010282 # [ 56.922066] RAX: ffffffff846e32b0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 56.930036] RDX: 0000000000000000 RSI: ffff9d353ad9bf70 RDI: ffffffff854d0d90 # [ 56.938016] RBP: ffffffff85917418 R08: 0000000000000001 R09: 0000000000000001 # [ 56.945985] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 56.953954] R13: ffffa7e001487f10 R14: ffffa7e001487f10 R15: ffff9d34c473d000 # [ 56.961924] FS: 00007f1f2e735580(0000) GS:ffff9d353ac80000(0000) knlGS:0000000000000000 # [ 56.970961] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.977378] CR2: ffffffffffffffd6 CR[ 64.623545] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE [ 64.636382] lkdtm: attempting bad refcount_sub_and_test() below zero [ 64.643491] ------------[ cut here ]------------ [ 64.648652] refcount_t: underflow; use-after-free. 3: 00000001055b6006 CR4: 00000000003706e0 # [ 56.985347] BUG:[ 64.654034] WARNING: CPU: 2 PID: 2304 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 [ 64.669664] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify sleeping function called from invalid context at include/linux/[ 64.696120] CPU: 2 PID: 2304 Comm: cat Tainted: G D W 5.10.162-cip23 #1 [ 64.710977] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 64.717785] RIP: 0010:refcount_warn_saturate+0xba/0x110 [ 64.723620] Code: 01 01 e8 04 85 98 00 0f 0b c3 cc cc cc cc 80 3d c3 0b 94 01 00 75 85 48 c7 c7 00 77 85 85 c6 05 b3 0b 94 01 01 e8 e1 84 98 00 <0f> 0b c3 cc cc cc cc 80 3d 9e 0b 94 01 00 0f 85 5e ff ff ff 48 c7 [ 64.744602] RSP: 0018:ffffa7e002b7fe40 EFLAGS: 00010286 [ 64.750440] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 [ 64.758409] RDX: ffff9d353ad2c660 RSI: ffff9d353ad1bf70 RDI: ffff9d353ad1bf70 [ 64.766380] RBP: ffffffff858bbb68 R08: 0000000000000000 R09: 0000000000000000 [ 64.774350] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 64.782319] R13: ffffa7e002b7ff10 R14: ffffa7e002b7ff10 R15: ffff9d34c4cde000 [ 64.790290] FS: 00007f75e5b86580(0000) GS:ffff9d353ad00000(0000) knlGS:0000000000000000 [ 64.799330] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 64.805748] CR2: 00007f75e598f000 CR3: 0000000103030001 CR4: 00000000003706e0 [ 64.813719] Call Trace: [ 64.816467] __refcount_sub_and_test.constprop.0+0x3c/0x50 percpu-rwsem.h:49 # [ 56.995256] in_atomic(): 0, irqs_disable[ 64.822601] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b [ 64.835032] direct_entry.cold+0x2c/0x38 [ 64.839419] full_proxy_write+0x53/0x80 [ 64.843703] vfs_write+0xe7/0x3a0 [ 64.847403] ksys_write+0x68/0xf0 [ 64.851103] do_syscall_64+0x30/0x40 [ 64.855095] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 64.860735] RIP: 0033:0x7f75e5a9c833 [ 64.864726] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 64.885709] RSP: 002b:00007ffd829bf538 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 64.894166] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f75e5a9c833 d(): 1, non_block: 0, pid: 1861, name: cat # [ 57.003710] INF[ 64.902140] RDX: 000000000000001f RSI: 00007f75e598f000 RDI: 0000000000000001 O: lockdep is turned off. # [ 57.008088] irq event stamp: 0 [ 64.916326] RBP: 00007f75e598f000 R08: 00007f75e598e010 R09: 0000000000000000 [ 64.930515] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 64.938518] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 64.946495] irq event stamp: 0 # [ 57.011492] hardirqs last enabled at (0): [<00000000000000[ 64.949930] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 64.963142] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 64.972337] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 00>] 0x0 # [ 57.018490] hardirqs last disabled at (0): [] 0x0 [ 64.994692] ---[ end trace 05348d993f728f70 ]--- [ 64.999850] lkdtm: Negative detected: saturated ffff83f00d14>] copy_process+0x664/0x1cb0 # [ 57.027626] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 57.036759] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 57.043757] CPU: 1 PID: 1861 Comm: cat Tainted: G D W 5.10.162-cip23 #1 # [ 57.052403] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 57.059206] Call Trace: # [ 57.061933] dump_stack+0x77/0x9b # [ 57.065631] ___might_sleep.cold+0xa6/0xb6 # [ 57.070204] exit_signals+0x1c/0x2e0 # [ 57.074193] do_exit+0xc2/0xaf0 # [ 57.077694] ? ksys_write+0x68/0xf0 # [ 57.081577] rewind_stack_do_exit+0x17/0x20 # [ 57.086245] RIP: 0033:0x7f1f2e64b833 # [ 57.096446] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 57.117427] RSP: 002b:00007ffec7744a98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 57.125883] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f1f2e64b833 # [ 57.133853] RDX: 000000000000000a RSI: 00007f1f2e53e000 RDI: 0000000000000001 # [ 57.141822] RBP: 00007f1f2e53e000 R08: 00007f1f2e53d010 R09: 0000000000000000 # [ 57.14[ 65.126709] lkdtm: Performing direct entry REFCOUNT_INC_ZERO 9790] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 000000000[ 65.135597] lkdtm: attempting safe refcount_inc_not_zero() from zero 0000001 # [ 57.157757] R13: 0000000000000001 R14: 00000000000[ 65.148901] lkdtm: Good: zero detected 20000 R15: 0000000000020000 # EXEC_NULL: saw 'call trace:': ok [ 65.159287] lkdtm: Correctly stayed at zero [ 65.170172] lkdtm: attempting bad refcount_inc() from zero ok 36 selftests: lkdtm: EXEC_NULL.sh # selftests: lkdtm: ACCES[ 65.176301] ------------[ cut here ]------------ S_USERSPACE.sh # Killed # [ 57.362191] lkdtm: Performing dir[ 65.187676] refcount_t: addition on 0; use-after-free. ect entry ACCESS_USERSPACE # [ 57.370843] lkdtm: attempting b[ 65.199659] WARNING: CPU: 1 PID: 2336 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 ad read at 00007f81bfa3c000 # [ 57.376991] BUG: unable to han[ 65.215268] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify dle page fault for address: 00007f81bfa3c000 # [ 57.384678] #[ 65.247911] CPU: 1 PID: 2336 Comm: cat Tainted: G D W 5.10.162-cip23 #1 PF: supervisor read access in kernel mode # [ 57.390414] #PF:[ 65.262773] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 error_code(0x0001) - permissions violation # [ 57.396635] PG[ 65.275791] RIP: 0010:refcount_warn_saturate+0x74/0x110 [ 65.287842] Code: 01 01 e8 4a 85 98 00 0f 0b c3 cc cc cc cc 80 3d 0a 0c 94 01 00 75 cb 48 c7 c7 d0 76 85 85 c6 05 fa 0b 94 01 01 e8 27 85 98 00 <0f> 0b c3 cc cc cc cc 80 3d e9 0b 94 01 00 75 a8 48 c7 c7 a8 76 85 D 80000001030f2067 P4D 80000001030f2067 PUD 104f61067 PMD 103186[ 65.308823] RSP: 0018:ffffa7e002bdfe48 EFLAGS: 00010286 [ 65.320867] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 067 PTE 1076cb067 # [ 57.406357] Oops: 0001 [#12] SMP PTI # [ 65.328840] RDX: ffff9d353acac660 RSI: ffff9d353ac9bf70 RDI: ffff9d353ac9bf70 [ 65.343020] RBP: ffffffff858bbf09 R08: 0000000000000000 R09: 0000000000000000 [ 57.410336] CPU: 2 PID: 1896 Comm: cat Tainted: G D W [ 65.350992] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 65.365169] R13: ffffa7e002bdff10 R14: ffffa7e002bdff10 R15: ffff9d34c5c80000 5.10.162-cip23 #1 # [ 57.418984] Hardware name: Google [ 65.373144] FS: 00007f4ed6fab580(0000) GS:ffff9d353ac80000(0000) knlGS:0000000000000000 [ 65.388391] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Rammus/Rammus, BIOS 09/04/2020 # [ 57.425791] RIP: 0010:lkdt[ 65.394809] CR2: 00007f4ed6db4000 CR3: 000000010549a004 CR4: 00000000003706e0 [ 65.408988] Call Trace: m_ACCESS_USERSPACE.cold+0x41/0xa3 # [ 57.432019] Code: 00 00 [ 65.411746] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 90 cd 8[ 65.422915] direct_entry.cold+0x2c/0x38 b 85 e8 b8 96 fd ff 48 c7 c7 b8 cd 8b 85 b8 de c0 de c0 <48> 03 [ 65.433511] full_proxy_write+0x53/0x80 45 00 48 89 04 24 e8 9f 96 fd ff 48 89 ee 48 c7 c7 e0 cd 8b # [[ 65.444028] vfs_write+0xe7/0x3a0 57.453009] RSP: 0018:ffffa7e00258fe48 EFLAGS: 00010246 # [ [ 65.453940] ksys_write+0x68/0xf0 57.458850] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 000[ 65.463861] do_syscall_64+0x30/0x40 0000000000000 # [ 57.473033] RDX: 0000000000000000 RSI: ffff9[ 65.474065] entry_SYSCALL_64_after_hwframe+0x61/0xc6 d353ad1bf70 RDI: ffffffff858bcdb8 # [ 57.481016] RBP: 00007f8[ 65.485921] RIP: 0033:0x7f4ed6ec1833 [ 65.496125] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 1bfa3c000 R08: 0000000000000000 R09: 0000000000000000 # [ 57.[ 65.517108] RSP: 002b:00007ffcd7c10a28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 65.531773] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f4ed6ec1833 488983] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000[ 65.539747] RDX: 0000000000000012 RSI: 00007f4ed6db4000 RDI: 0000000000000001 [ 65.553925] RBP: 00007f4ed6db4000 R08: 00007f4ed6db3010 R09: 0000000000000000 000000011 # [ 57.496952] R13: ffffa7e00258ff10 R14: ffffa7e00[ 65.561899] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 65.576080] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 258ff10 R15: ffff9d34c0e40000 # [ 57.504921] FS: 00007f81bfa[ 65.584092] irq event stamp: 0 [ 65.593685] hardirqs last enabled at (0): [<0000000000000000>] 0x0 0d580(0000) GS:ffff9d353ad00000(0000) knlGS:0000000000000000 # [ 65.600689] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 57.513955] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033[ 65.616035] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 65.631385] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 57.520368] CR2: 00007f81bfa3c000 CR3: 0000000105d3e002 C[ 65.638385] ---[ end trace 05348d993f728f71 ]--- [ 65.649748] lkdtm: Zero detected: saturated R4: 00000000003706e0 # [ 57.528337] Call Trace: # [ 57.531072] direct_entry.cold+0x2c/0x38 # [ 57.535451] full_proxy_write+0x53/0x80 # [ 57.539733] vfs_write+0xe7/0x3a0 # [ 57.543429] ksys_write+0x68/0xf0 # [ 57.547127] do_syscall_64+0x30/0x40 # [ 57.551116] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 57.556753] RIP: 0033:0x7f81bf923833 # [ 57.560739] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 57.581719] RSP: 002b:00007ffce1cdb6d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 57.590174] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f81bf923833 # [ 57.598140] RDX: 0000000000000011 RSI: 00007f81bf816000 RDI: 0000000000000001 # [ 57.606108] RBP: 00007f81bf816000 R08: 00007f81bf815010 R09: 0000000000000000 # [ 57.614077] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 57.622047] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 57.630072] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 57.656523] CR2: 00007f81bfa3c000 # [ 57.666431] ---[ end trace 05348d993f728f64 ]--- # [ [ 65.791282] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO [ 65.803801] lkdtm: attempting safe refcount_add_not_zero() from zero [ 65.810910] lkdtm: Good: zero detected [ 65.815101] lkdtm: Correctly stayed at zero [ 65.819772] lkdtm: attempting bad refcount_add() from zero [ 65.825899] ------------[ cut here ]------------ [ 65.831054] refcount_t: addition on 0; use-after-free. [ 65.836817] WARNING: CPU: 3 PID: 2368 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 57.671584] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 57.675958] Code:[ 65.846242] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 65.878880] CPU: 3 PID: 2368 Comm: cat Tainted: G D W 5.10.162-cip23 #1 [ 65.887531] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 65.894340] RIP: 0010:refcount_warn_saturate+0x74/0x110 [ 65.900175] Code: 01 01 e8 4a 85 98 00 0f 0b c3 cc cc cc cc 80 3d 0a 0c 94 01 00 75 cb 48 c7 c7 d0 76 85 85 c6 05 fa 0b 94 01 01 e8 27 85 98 00 <0f> 0b c3 cc cc cc cc 80 3d e9 0b 94 01 00 75 a8 48 c7 c7 a8 76 85 [ 65.921156] RSP: 0018:ffffa7e002c6fe48 EFLAGS: 00010286 [ 65.927008] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 [ 65.934986] RDX: ffff9d353adac660 RSI: ffff9d353ad9bf70 RDI: ffff9d353ad9bf70 [ 65.942956] RBP: ffffffff858bbf1b R08: 0000000000000000 R09: 0000000000000000 [ 65.950927] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 65.958896] R13: ffffa7e002c6ff10 R14: ffffa7e002c6ff10 R15: ffff9d34c4d91000 [ 65.966866] FS: 00007f42659d2580(0000) GS:ffff9d353ad80000(0000) knlGS:0000000000000000 [ 65.975905] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 65.982321] CR2: 00007f42657db000 CR3: 000000010275a003 CR4: 00000000003706e0 [ 65.990293] Call Trace: 89 ff e8 1e 77 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff [ 65.993027] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 [ 66.004203] direct_entry.cold+0x2c/0x38 [ 66.008607] full_proxy_write+0x53/0x80 [ 66.012922] vfs_write+0xe7/0x3a0 [ 66.016646] ksys_write+0x68/0xf0 [ 66.020349] do_syscall_64+0x30/0x40 [ 66.024364] entry_SYSCALL_64_after_hwframe+0x61/0xc6 ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <[ 66.030023] RIP: 0033:0x7f42658e8833 [ 66.040229] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 66.061211] RSP: 002b:00007ffe3fa7dbd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 66.069673] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f42658e8833 0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 93 93 [ 66.077643] RDX: 0000000000000012 RSI: 00007f42657db000 RDI: 0000000000000001 02 # [ 57.696939] RSP: 0018:ffffa7e001487e60 EFLAGS: 00010282[ 66.091827] RBP: 00007f42657db000 R08: 00007f42657da010 R09: 0000000000000000 # [ 57.702771] RAX: ffffffff846e32b0 RBX: 0000000000000001 R[ 66.106024] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 66.120211] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 66.128185] irq event stamp: 0 CX: 0000000000000000 # [ 57.710740] RDX: 0000000000000000 RSI[ 66.131619] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 66.144851] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 : ffff9d353ad9bf70 RDI: ffffffff854d0d90 # [ 57.718707] RBP: [ 66.153990] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 66.169332] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 66.176332] ---[ end trace 05348d993f728f72 ]--- [ 66.181486] lkdtm: Zero detected: saturated ffffffff85917418 R08: 0000000000000001 R09: 0000000000000001 # [ 57.726675] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 57.734643] R13: ffffa7e001487f10 R14: ffffa7e001487f10 R15: ffff9d34c473d000 # [ 57.742609] FS: 00007f81bfa0d580(0000) GS:ffff9d353ad00000(0000) knlGS:0000000000000000 # [ 57.751645] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.758067] CR2: 00007f81bfa3c000 CR3: 0000000105d3e002 CR4: 00000000003706e0 # ACCESS_USERSPACE: saw 'call trace:': ok ok 37 selftests: lkdtm: ACCESS_USERSPACE.sh # selftests: lkdtm: ACCESS_NULL.sh # Killed # [ 57.888719] lkdtm: Performing direct entry ACCESS_NULL # [ 57.896132] lkdtm: attempting bad read at 0000000000000000 # [ 57.908481] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 57.922467] #PF: supervisor read access in kernel mode # [ 57.928202] #PF: error_code(0x0000) - not-present page # [ 57.933938] PGD 0 P4D 0 # [ 57.936765] Oops: 0000 [#13] SMP PTI # [ 57.946967] CPU: 1 PID: 1931 Comm: cat Tainted: G D W 5.10.162-cip23 #1 # [ 57.955615] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 57.968633] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 # [ 57.973884] Code: 5c 96 fd ff be 00 10 00 00 48 89 ef e8 f5 50 39 ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 [ 66.314639] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED [ 66.323580] lkdtm: attempting bad refcount_inc() from saturated [ 66.330203] ------------[ cut here ]------------ [ 66.335369] refcount_t: saturated; leaking memory. [ 66.340736] WARNING: CPU: 2 PID: 2403 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 [ 66.350171] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify f6 48 c7 c7 90 cd 8b 85 e8 36 96 fd ff <48> 8b 1c 25 00 00 00 00[ 66.376631] CPU: 2 PID: 2403 Comm: cat Tainted: G D W 5.10.162-cip23 #1 b8 de c0 de c0 48 c7 c7 b8 cd 8b 85 48 01 # [ 58.001072] RSP[ 66.391495] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 66.404517] RIP: 0010:refcount_warn_saturate+0x51/0x110 [ 66.410376] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 2e 0c 94 01 00 75 ee 48 c7 c7 a8 76 85 85 c6 05 1e 0c 94 01 01 e8 4a 85 98 00 <0f> 0b c3 cc cc cc cc 80 3d 0a 0c 94 01 00 75 cb 48 c7 c7 d0 76 85 [ 66.431360] RSP: 0018:ffffa7e002d1fe48 EFLAGS: 00010286 [ 66.437225] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 : 0018:ffffa7e00262fe58 EFLAGS: 00010246 # [ 58.006904] RAX: [ 66.445227] RDX: ffff9d353ad2c660 RSI: ffff9d353ad1bf70 RDI: ffff9d353ad1bf70 [ 66.459400] RBP: ffffffff858bbf2d R08: 0000000000000000 R09: 0000000000000000 [ 66.467371] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 66.475343] R13: ffffa7e002d1ff10 R14: ffffa7e002d1ff10 R15: ffff9d34c57c1000 [ 66.483316] FS: 00007fce871b7580(0000) GS:ffff9d353ad00000(0000) knlGS:0000000000000000 [ 66.492356] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.498774] CR2: 00007fce86fc0000 CR3: 0000000104d8e004 CR4: 00000000003706e0 [ 66.506743] Call Trace: [ 66.509476] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 # [ 66.514951] direct_entry.cold+0x2c/0x38 [ 66.525538] full_proxy_write+0x53/0x80 [ 66.529852] vfs_write+0xe7/0x3a0 [ 66.533583] ksys_write+0x68/0xf0 [ 66.537309] do_syscall_64+0x30/0x40 [ 66.541330] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 66.546996] RIP: 0033:0x7fce870cd833 [ 66.550988] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 66.572009] RSP: 002b:00007ffdf3563678 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 58.014872] RDX: 0000000000000000 RSI: ffff9d353ac9bf70 RDI: [ 66.580477] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fce870cd833 [ 66.594657] RDX: 0000000000000017 RSI: 00007fce86fc0000 RDI: 0000000000000001 [ 66.602627] RBP: 00007fce86fc0000 R08: 00007fce86fbf010 R09: 0000000000000000 [ 66.610598] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 66.618568] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 66.626562] irq event stamp: 0 ffff9d353ac9bf70 # [ 58.022840] RBP: ffffffff858bbe81 R08: 00[ 66.629979] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 66.643188] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 66.652324] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 00000000000000 R09: 0000000000000000 # [ 58.030807] R10: 0000[ 66.661463] softirqs last disabled at (0): [<0000000000000000>] 0x0 0000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ [ 66.674680] ---[ end trace 05348d993f728f73 ]--- [ 66.686066] lkdtm: Saturation detected: still saturated 58.038776] R13: ffffa7e00262ff10 R14: ffffa7e00262ff10 R15: ffff9d34c5c80000 # [ 58.046744] FS: 00007f087a04f580(0000) GS:ffff9d353ac80000(0000) knlGS:0000000000000000 # [ 58.055780] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 58.062194] CR2: 0000000000000000 CR3: 0000000104d10002 CR4: 00000000003706e0 # [ 58.070162] Call Trace: # [ 58.072890] direct_entry.cold+0x2c/0x38 # [ 58.077269] full_proxy_write+0x53/0x80 # [ 58.087761] vfs_write+0xe7/0x3a0 # [ 58.091459] ksys_write+0x68/0xf0 # [ 58.095157] do_syscall_64+0x30/0x40 # [ 58.099144] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 58.104783] RIP: 0033:0x7f0879f65833 # [ 58.108761] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 58.129731] RSP: 002b:00007ffd7d9cef58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 58.138176] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f0879f65833 # [ 58.146144] RDX: 000000000000000c RSI: 00007f0879e58000 RDI: 0000000000000001 # [ 58.154111] RBP: 00007f0879e58000 R08: 00007f0879e57010 R09: 0000000000000000 # [ 58.162079] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 58.170046] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 58.178021] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industr[ 66.837137] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED ialio cros_ec_chardev cros_ec_sysfs cros_ec_lightbar cros_ec_deb[ 66.847941] lkdtm: attempting bad refcount_dec() from saturated ugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usb[ 66.860800] ------------[ cut here ]------------ pd_notify # [ 58.210650] CR2: 0000000000000000 # [ 58.2143[ 66.872163] refcount_t: decrement hit 0; leaking memory. 46] ---[ end trace 05348d993f728f65 ]--- # [ 58.219490] RIP: [ 66.884317] WARNING: CPU: 0 PID: 2438 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 0010:lkdtm_BUG+0x5/0x10 # [ 58.223866] Code: 89 ff e8 1e 77 a[ 66.899966] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc[ 66.932591] CPU: 0 PID: 2438 Comm: cat Tainted: G D W 5.10.162-cip23 #1 cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 8[ 66.947476] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 4 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 93 93 02 # [ 58.2448[ 66.960503] RIP: 0010:refcount_warn_saturate+0xfb/0x110 45] RSP: 0018:ffffa7e001487e60 EFLAGS: 00010282 # [ 58.250678[ 66.972588] Code: 58 77 85 85 c6 05 8a 0b 94 01 01 e8 ba 84 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 28 77 85 85 c6 05 71 0b 94 01 01 e8 a0 84 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b ] RAX: ffffffff846e32b0 RBX: 0000000000000001 RCX: 0000000000000[ 66.999755] RSP: 0018:ffffa7e002d97e48 EFLAGS: 00010286 000 # [ 58.258644] RDX: 0000000000000000 RSI: ffff9d353ad9bf7[ 67.011832] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 0 RDI: ffffffff854d0d90 # [ 58.266612] RBP: ffffffff85917418 [ 67.026021] RDX: ffff9d353ac2c660 RSI: ffff9d353ac1bf70 RDI: ffff9d353ac1bf70 R08: 0000000000000001 R09: 0000000000000001 # [ 58.274581] R1[ 67.040238] RBP: ffffffff858bbf44 R08: 0000000000000000 R09: 0000000000000000 0: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 67.054381] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 58.282549] R13: ffffa7e001487f10 R14: ffffa7e001487f10 R1[ 67.068566] R13: ffffa7e002d97f10 R14: ffffa7e002d97f10 R15: ffff9d34c3031000 5: ffff9d34c473d000 # [ 58.290517] FS: 00007f087a04f580(0000[ 67.082748] FS: 00007f70acc2e580(0000) GS:ffff9d353ac00000(0000) knlGS:0000000000000000 ) GS:ffff9d353ac80000(0000) knlGS:0000000000000000 # [ 58.299[ 67.098030] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 552] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 58[ 67.110663] CR2: 00007f70aca37000 CR3: 0000000104e88002 CR4: 00000000003706f0 .305966] CR2: 0000000000000000 CR3: 0000000104d10002 CR4: 000000[ 67.124863] Call Trace: 00003706e0 # [ 58.313932] BUG: sleeping function called from [ 67.133808] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f invalid context at include/linux/percpu-rwsem.h:49 # [ 58.323[ 67.145543] direct_entry.cold+0x2c/0x38 842] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1931[ 67.156076] full_proxy_write+0x53/0x80 , name: cat # [ 58.332286] INFO: lockdep is turned off. # [ [ 67.166592] vfs_write+0xe7/0x3a0 58.336661] irq event stamp: 0 # [ 58.340073] hardirqs last [ 67.176462] ksys_write+0x68/0xf0 enabled at (0): [<0000000000000000>] 0x0 # [ 58.347071] hard[ 67.186375] do_syscall_64+0x30/0x40 irqs last disabled at (0): [] copy_process+0x6[ 67.196569] entry_SYSCALL_64_after_hwframe+0x61/0xc6 64/0x1cb0 # [ 58.356205] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 58.365338] soft[ 67.218646] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 irqs last disabled at (0): [<0000000000000000>] 0x0 # [ 58.37[ 67.245852] RSP: 002b:00007fff58bdaf28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 2334] CPU: 1 PID: 1931 Comm: cat Tainted: G D W 5.1[ 67.260544] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f70acb44833 0.162-cip23 #1 # [ 58.380980] Hardware name: Google Rammus/Ra[ 67.274741] RDX: 0000000000000017 RSI: 00007f70aca37000 RDI: 0000000000000001 mmus, BIOS 09/04/2020 # [ 58.387783] Call Trace: # [ 58.3[ 67.288947] RBP: 00007f70aca37000 R08: 00007f70aca36010 R09: 0000000000000000 90510] dump_stack+0x77/0x9b # [ 58.394210] ___might_sleep.c[ 67.303130] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 old+0xa6/0xb6 # [ 58.398782] exit_signals+0x1c/0x2e0 # [ [ 67.317282] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 58.402760] do_exit+0xc2/0xaf0 # [ 58.406263] ? ksys_write+0[ 67.331516] irq event stamp: 0 x68/0xf0 # [ 58.410146] rewind_stack_do_exit+0x17/0x20 # [ [ 67.341120] hardirqs last enabled at (0): [<0000000000000000>] 0x0 58.414813] RIP: 0033:0x7f0879f65833 # [ 58.418800] Code: 8b[ 67.354336] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f [ 67.369727] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48>[ 67.385108] softirqs last disabled at (0): [<0000000000000000>] 0x0 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 67.398327] ---[ end trace 05348d993f728f74 ]--- # [ 58.439781] RSP: 002b:00007ffd7d9cef58 EFLAGS: 00000246 OR[ 67.409719] lkdtm: Saturation detected: still saturated IG_RAX: 0000000000000001 # [ 58.448227] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f0879f65833 # [ 58.456195] RDX: 000000000000000c RSI: 00007f0879e58000 RDI: 0000000000000001 # [ 58.464161] RBP: 00007f0879e58000 R08: 00007f0879e57010 R09: 0000000000000000 # [ 58.472128] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 58.480095] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # ACCESS_NULL: saw 'call trace:': ok ok 38 selftests: lkdtm: ACCESS_NULL.sh # selftests: lkdtm: WRITE_RO.sh # Killed # [ 58.640848] lkdtm: Performing direct entry WRITE_RO # [ 58.648942] lkdtm: attempting bad rodata write at ffffffff854d1210 # [ 58.655880] BUG: unable to handle page fault for address: ffffffff854d1210 # [ 58.663570] #PF: supervisor write access in kernel mode # [ 58.675625] #PF: error_code(0x0003) - permissions violation # [ 58.681848] PGD 15b429067 P4D 15b429067 PUD 15b42a063 PMD 800000015ae000e1 # [ 58.695846] Oops: 0003 [#14] SMP PTI # [ 58.699836] CPU: 2 PID: 1966 Comm: cat Tainted: G D W 5.10.162-cip23 #1 # [ 58.708486] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 58.715293] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a # [ 58.720250] Code: 00 48 c7 c7 70 cc 8b 85 48 c7 c6 10 12 4d 85 e8 e0 98 fd ff 48 8b 05 1f e9 75 00 ba 34 12 cd ab 48 c7 c7 a0 cc 8b 85 48 31 d0 <48> 89 05 09 e9 75 00 e9 be 98 fd ff 0f 1f 44 00 00 48 8b 05 18 6a # [ 58.741230] RSP: 0018:ffffa7e002677e60 EFLAGS: 00010202 # [ 58.747069] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 # [ 58.755038] RDX: 00000000abcd1234 RSI: ffff9d353ad1bf70 RDI: ffffffff858bcca0 # [ 58.763024] RBP: ffffffff85[ 67.586461] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED 8bbe8d R08: 0000000000000000 R09: 0000000000000000 # [ 58.770[ 67.596520] lkdtm: attempting bad refcount_dec() from saturated 995] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000[ 67.609350] ------------[ cut here ]------------ [ 67.620716] refcount_t: saturated; leaking memory. 000009 # [ 58.778964] R13: ffffa7e002677f10 R14: ffffa7e00267[ 67.626098] WARNING: CPU: 1 PID: 2473 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 7f10 R15: ffff9d34c29da000 # [ 58.786935] FS: 00007f8bbc00a5[ 67.641704] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 80(0000) GS:ffff9d353ad00000(0000) knlGS:0000000000000000 # [ [ 67.674342] CPU: 1 PID: 2473 Comm: cat Tainted: G D W 5.10.162-cip23 #1 58.795972] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 #[ 67.689205] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 58.802388] CR2: ffffffff854d1210 CR3: 0000000103fc2006 CR4:[ 67.702226] RIP: 0010:refcount_warn_saturate+0x51/0x110 00000000003706e0 # [ 58.810359] Call Trace: # [ 58.813086[ 67.714276] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 2e 0c 94 01 00 75 ee 48 c7 c7 a8 76 85 85 c6 05 1e 0c 94 01 01 e8 4a 85 98 00 <0f> 0b c3 cc cc cc cc 80 3d 0a 0c 94 01 00 75 cb 48 c7 c7 d0 76 85 ] direct_entry.cold+0x2c/0x38 # [ 58.817458] full_proxy_wri[ 67.741493] RSP: 0018:ffffa7e002e1fe48 EFLAGS: 00010286 te+0x53/0x80 # [ 58.821739] vfs_write+0xe7/0x3a0 # [ 58.8[ 67.753523] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 25426] ksys_write+0x68/0xf0 # [ 58.829124] do_syscall_64+0x[ 67.767708] RDX: ffff9d353acac660 RSI: ffff9d353ac9bf70 RDI: ffff9d353ac9bf70 30/0x40 # [ 58.833112] entry_SYSCALL_64_after_hwframe+0x61/0[ 67.781892] RBP: ffffffff858bbf5b R08: 0000000000000000 R09: 0000000000000000 xc6 # [ 58.838752] RIP: 0033:0x7f8bbbf20833 # [ 58.842740][ 67.796080] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb [ 67.810264] R13: ffffa7e002e1ff10 R14: ffffa7e002e1ff10 R15: ffff9d34c32fc000 b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0[ 67.824448] FS: 00007f0f8de22580(0000) GS:ffff9d353ac80000(0000) knlGS:0000000000000000 f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 [ 67.839701] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 54 24 18 # [ 58.863721] RSP: 002b:00007ffd8053ae68 EFLAGS: 00[ 67.852334] CR2: 00007f0f8dc2b000 CR3: 0000000104c64001 CR4: 00000000003706e0 [ 67.866516] Call Trace: 000246 ORIG_RAX: 0000000000000001 # [ 58.872176] RAX: fffffff[ 67.869252] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 fffffffda RBX: 0000000000000009 RCX: 00007f8bbbf20833 # [ 58.[ 67.880912] direct_entry.cold+0x2c/0x38 880144] RDX: 0000000000000009 RSI: 00007f8bbbe13000 RDI: 0000000[ 67.891508] full_proxy_write+0x53/0x80 000000001 # [ 58.888113] RBP: 00007f8bbbe13000 R08: 00007f8bb[ 67.902022] vfs_write+0xe7/0x3a0 be12010 R09: 0000000000000000 # [ 58.896081] R10: fffffffffff[ 67.911938] ksys_write+0x68/0xf0 ffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 58.9040[ 67.921854] do_syscall_64+0x30/0x40 69] R13: 0000000000000001 R14: 0000000000020000 R15: 00000000000[ 67.932095] entry_SYSCALL_64_after_hwframe+0x61/0xc6 20000 # [ 58.912033] Modules linked in: fuse ip_tables cros_e[ 67.943960] RIP: 0033:0x7f0f8dd38833 c_sensors cros_ec_sensors_core industrialio_triggered_buffer kfi[ 67.954162] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 fo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_lightb[ 67.981383] RSP: 002b:00007ffeb2d54188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 ar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_e[ 67.996033] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f0f8dd38833 [ 68.010215] RDX: 0000000000000017 RSI: 00007f0f8dc2b000 RDI: 0000000000000001 c_dev cros_usbpd_notify # [ 58.944666] CR2: ffffffff854d1210 [ 68.018188] RBP: 00007f0f8dc2b000 R08: 00007f0f8dc2a010 R09: 0000000000000000 [ 68.032367] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 58.948363] ---[ end trace 05348d993f728f66 ]--- # [ 58[ 68.040341] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 .953518] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 58.957893] Code: 89[ 68.054544] irq event stamp: 0 [ 68.064145] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ff e8 1e 77 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff [ 68.071149] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 68.086492] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f>[ 68.095630] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 68.108836] ---[ end trace 05348d993f728f75 ]--- 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 93 93 02 [ 68.114017] lkdtm: Saturation detected: still saturated # [ 58.978875] RSP: 0018:ffffa7e001487e60 EFLAGS: 00010282 # [ 58.984699] RAX: ffffffff846e32b0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 58.992667] RDX: 0000000000000000 RSI: ffff9d353ad9bf70 RDI: ffffffff854d0d90 # [ 59.000638] RBP: ffffffff85917418 R08: 0000000000000001 R09: 0000000000000001 # [ 59.008606] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 59.016576] R13: ffffa7e001487f10 R14: ffffa7e001487f10 R15: ffff9d34c473d000 # [ 59.024546] FS: 00007f8bbc00a580(0000) GS:ffff9d353ad00000(0000) knlGS:0000000000000000 # [ 59.033583] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 59.040017] CR2: ffffffff854d1210 CR3: 0000000103fc2006 CR4: 00000000003706e0 # WRITE_RO: saw 'call trace:': ok ok 39 selftests: lkdtm: WRITE_RO.sh # selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # Killed # [ 59.168284] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT # [ 59.178843] lkdtm: attempting bad ro_after_init write at ffffffff85939330 # [ 59.192657] BUG: unable to handle page fault for address: ffffffff85939330 # [ 59.206535] #PF: supervisor write access in kernel mode # [ 59.212370] #PF: error_code(0x0003) - permissions violation # [ 59.218593] PGD 15b429067 P4D 15b429067 PUD 15b42a063 PMD 104a5c063 PTE 800000015b339061 # [ 59.233852] Oops: 0003 [#15] S[ 68.253200] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED MP PTI # [ 59.237841] CPU: 1 PID: 2001 Comm: cat Tainted: G [ 68.264277] lkdtm: attempting bad refcount_inc_not_zero() from saturated [ 68.277980] ------------[ cut here ]------------ [ 68.283142] refcount_t: saturated; leaking memory. [ 68.288501] WARNING: CPU: 3 PID: 2505 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 D W 5.10.162-cip23 #1 # [ 59.246479] Hardware nam[ 68.297953] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 68.330648] CPU: 3 PID: 2505 Comm: cat Tainted: G D W 5.10.162-cip23 #1 e: Google Rammus/Rammus, BIOS 09/04/2020 # [ 59.253286] RIP:[ 68.339309] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 68.352321] RIP: 0010:refcount_warn_saturate+0x97/0x110 [ 68.358158] Code: 01 01 e8 27 85 98 00 0f 0b c3 cc cc cc cc 80 3d e9 0b 94 01 00 75 a8 48 c7 c7 a8 76 85 85 c6 05 d9 0b 94 01 01 e8 04 85 98 00 <0f> 0b c3 cc cc cc cc 80 3d c3 0b 94 01 00 75 85 48 c7 c7 00 77 85 [ 68.379138] RSP: 0018:ffffa7e002e9fe38 EFLAGS: 00010282 [ 68.384974] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 [ 68.392943] RDX: ffff9d353adac660 RSI: ffff9d353ad9bf70 RDI: ffff9d353ad9bf70 [ 68.400913] RBP: ffffffff858bbb88 R08: 0000000000000000 R09: 0000000000000000 [ 68.408883] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 68.416852] R13: ffffa7e002e9ff10 R14: ffffa7e002e9ff10 R15: ffff9d34c3296000 [ 68.424823] FS: 00007f4c3ba43580(0000) GS:ffff9d353ad80000(0000) knlGS:0000000000000000 [ 68.433862] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.440278] CR2: 00007f4c3b84c000 CR3: 0000000104e38003 CR4: 00000000003706e0 [ 68.448248] Call Trace: [ 68.450977] __refcount_add_not_zero.constprop.0+0x2a/0x35 [ 68.457129] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 [ 68.463448] direct_entry.cold+0x2c/0x38 [ 68.467829] full_proxy_write+0x53/0x80 [ 68.472136] vfs_write+0xe7/0x3a0 [ 68.475857] ksys_write+0x68/0xf0 [ 68.479558] do_syscall_64+0x30/0x40 [ 68.483548] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 68.489191] RIP: 0033:0x7f4c3b959833 [ 68.493181] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 68.514162] RSP: 002b:00007ffe782b3ed8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 68.522618] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f4c3b959833 [ 68.530588] RDX: 0000000000000020 RSI: 00007f4c3b84c000 RDI: 0000000000000001 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a # [ 59.259313] Code[ 68.538560] RBP: 00007f4c3b84c000 R08: 00007f4c3b84b010 R09: 0000000000000000 : cc 8b 85 e9 92 98 fd ff 48 c7 c7 f8 cc 8b 85 e8 86 98 fd ff 48[ 68.552745] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 68.566931] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 68.574905] irq event stamp: 0 8b 05 e5 69 bc 00 ba 34 12 cd ab 48 c7 c7 a0 cc 8b 85 48 31 d0 [ 68.578338] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 68.591548] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 68.600685] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 68.609821] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 68.616819] ---[ end trace 05348d993f728f76 ]--- [ 68.621976] lkdtm: Saturation detected: still saturated <48> 89 05 cf 69 bc 00 e9 64 98 fd ff 0f 1f 44 00 00 41 54 48 c7 c7 # [ 59.286502] RSP: 0018:ffffa7e00272fe60 EFLAGS: 00010202 # [ 59.292324] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 # [ 59.300291] RDX: 00000000abcd1234 RSI: ffff9d353ac9bf70 RDI: ffffffff858bcca0 # [ 59.308258] RBP: ffffffff858bbe96 R08: 0000000000000000 R09: 0000000000000000 # [ 59.316225] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 # [ 59.324191] R13: ffffa7e00272ff10 R14: ffffa7e00272ff10 R15: ffff9d34c3fbc000 # [ 59.332158] FS: 00007f4f1dfc8580(0000) GS:ffff9d353ac80000(0000) knlGS:0000000000000000 # [ 59.341191] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 59.347603] CR2: ffffffff85939330 CR3: 00000001055cc001 CR4: 00000000003706e0 # [ 59.355571] Call Trace: # [ 59.358297] direct_entry.cold+0x2c/0x38 # [ 59.362675] full_proxy_write+0x53/0x80 # [ 59.366955] vfs_write+0xe7/0x3a0 # [ 59.376863] ksys_write+0x68/0xf0 # [ 59.380560] do_syscall_64+0x30/0x40 # [ 59.384547] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 59.390186] RIP: 0033:0x7f4f1dede833 # [ 59.394164] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 e[ 68.754600] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED c 28 48 89 54 24 18 # [ 59.415143] RSP: 002b:00007ffc82b3c498[ 68.766059] lkdtm: attempting bad refcount_add_not_zero() from saturated [ 68.779781] ------------[ cut here ]------------ [ 68.784952] refcount_t: saturated; leaking memory. [ 68.790325] WARNING: CPU: 3 PID: 2537 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 [ 68.799762] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 59.423595] R[ 68.826219] CPU: 3 PID: 2537 Comm: cat Tainted: G D W 5.10.162-cip23 #1 [ 68.841077] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 AX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f4f1dede833[ 68.847888] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 59.431561] RDX: 0000000000000014 RSI: 00007f4f1ddd1000 R[ 68.859939] Code: 01 01 e8 27 85 98 00 0f 0b c3 cc cc cc cc 80 3d e9 0b 94 01 00 75 a8 48 c7 c7 a8 76 85 85 c6 05 d9 0b 94 01 01 e8 04 85 98 00 <0f> 0b c3 cc cc cc cc 80 3d c3 0b 94 01 00 75 85 48 c7 c7 00 77 85 [ 68.887139] RSP: 0018:ffffa7e002f0fe38 EFLAGS: 00010282 DI: 0000000000000001 # [ 59.439528] RBP: 00007f4f1ddd1000 R08[ 68.893024] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 [ 68.907232] RDX: ffff9d353adac660 RSI: ffff9d353ad9bf70 RDI: ffff9d353ad9bf70 : 00007f4f1ddd0010 R09: 0000000000000000 # [ 59.447497] R10: [ 68.915219] RBP: ffffffff858bbba8 R08: 0000000000000000 R09: 0000000000000000 [ 68.929394] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 68.937366] R13: ffffa7e002f0ff10 R14: ffffa7e002f0ff10 R15: ffff9d34c4e8a000 [ 68.945340] FS: 00007f30ae3ba580(0000) GS:ffff9d353ad80000(0000) knlGS:0000000000000000 [ 68.954379] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.960799] CR2: 00007f30ae1c3000 CR3: 0000000104c34001 CR4: 00000000003706e0 [ 68.968771] Call Trace: [ 68.971505] __refcount_add_not_zero.constprop.0+0x2a/0x35 [ 68.977663] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 [ 68.984030] direct_entry.cold+0x2c/0x38 fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 68.988420] full_proxy_write+0x53/0x80 [ 68.998911] vfs_write+0xe7/0x3a0 [ 69.002640] ksys_write+0x68/0xf0 [ 69.006344] do_syscall_64+0x30/0x40 [ 69.010365] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 59.455456] R13: 0000000000000001 R14: 0000000000020000 R15: [ 69.016027] RIP: 0033:0x7f30ae2d0833 [ 69.026230] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 69.047213] RSP: 002b:00007ffe744ab9b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 69.055701] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f30ae2d0833 [ 69.063675] RDX: 0000000000000020 RSI: 00007f30ae1c3000 RDI: 0000000000000001 [ 69.071646] RBP: 00007f30ae1c3000 R08: 00007f30ae1c2010 R09: 0000000000000000 [ 69.079619] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 69.087590] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 69.095567] irq event stamp: 0 0000000000020000 # [ 59.463428] Modules linked in: fuse ip_ta[ 69.099002] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 69.112211] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 69.121371] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 bles cros_ec_sensors cros_ec_sensors_core industrialio_triggered[ 69.130508] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 69.143722] ---[ end trace 05348d993f728f77 ]--- _buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cro[ 69.148877] lkdtm: Saturation detected: still saturated s_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 59.496070] CR2: ffffffff85939330 # [ 59.499767] ---[ end trace 05348d993f728f67 ]--- # [ 59.504920] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 59.509295] Code: 89 ff e8 1e 77 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 a0 93 93 02 # [ 59.530275] RSP: 0018:ffffa7e001487e60 EFLAGS: 00010282 # [ 59.536100] RAX: ffffffff846e32b0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 59.544071] RDX: 0000000000000000 RSI: ffff9d353ad9bf70 RDI: ffffffff854d0d90 # [ 59.552039] RBP: ffffffff85917418 R08: 0000000000000001 R09: 0000000000000001 # [ 59.560017] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 59.567985] R13: ffffa7e001487f10 R14: ffffa7e001487f10 R15: ffff9d34c473d000 # [ 59.575955] FS: 00007f4f1dfc8580(0000) GS:ffff9d353ac80000(0000) knlGS:0000000000000000 # [ 59.584982] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 59.591396] CR2: ffffffff85939330 CR3: 00000001055cc001 CR4: 00000000003706e0 # WRITE_RO_AFTER_INIT: saw 'call trace:': ok ok 40 selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # selftests: lkdtm: WRITE_KERN.sh # Killed # [ 59.728270] lkdtm: Performing direct entry WRITE_KERN # [ 59.735567] lkdtm: attempting bad 6877675 byte write at ffffffff84d7286b # [ 59.749274] BUG: unable to handle page fault for address: ffffff[ 69.308061] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED [ 69.317814] lkdtm: attempting bad refcount_dec_and_test() from saturated [ 69.325342] ------------[ cut here ]------------ [ 69.330522] refcount_t: underflow; use-after-free. [ 69.335923] WARNING: CPU: 3 PID: 2572 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 [ 69.345366] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify ff84d7286b # [ 59.763159] #PF: supervisor write access in ker[ 69.371825] CPU: 3 PID: 2572 Comm: cat Tainted: G D W 5.10.162-cip23 #1 [ 69.386681] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 69.393489] RIP: 0010:refcount_warn_saturate+0xba/0x110 [ 69.399323] Code: 01 01 e8 04 85 98 00 0f 0b c3 cc cc cc cc 80 3d c3 0b 94 01 00 75 85 48 c7 c7 00 77 85 85 c6 05 b3 0b 94 01 01 e8 e1 84 98 00 <0f> 0b c3 cc cc cc cc 80 3d 9e 0b 94 01 00 0f 85 5e ff ff ff 48 c7 [ 69.420305] RSP: 0018:ffffa7e002f97e40 EFLAGS: 00010286 nel mode # [ 59.768995] #PF: error_code(0x0003) - permissions[ 69.426142] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 [ 69.440331] RDX: ffff9d353adac660 RSI: ffff9d353ad9bf70 RDI: ffff9d353ad9bf70 [ 69.448329] RBP: ffffffff858bbbc8 R08: 0000000000000000 R09: 0000000000000000 [ 69.456298] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 69.464270] R13: ffffa7e002f97f10 R14: ffffa7e002f97f10 R15: ffff9d34c29b3000 [ 69.472239] FS: 00007f941fa22580(0000) GS:ffff9d353ad80000(0000) knlGS:0000000000000000 [ 69.481300] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 violation # [ 59.775216] PGD 15b429067 P4D 15b429067 PUD 15b[ 69.487729] CR2: 00007f941f82b000 CR3: 00000001033d8003 CR4: 00000000003706e0 [ 69.501903] Call Trace: [ 69.504633] __refcount_sub_and_test.constprop.0+0x3c/0x50 [ 69.510765] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 [ 69.517110] direct_entry.cold+0x2c/0x38 [ 69.521488] full_proxy_write+0x53/0x80 [ 69.525771] vfs_write+0xe7/0x3a0 [ 69.529494] ksys_write+0x68/0xf0 [ 69.533195] do_syscall_64+0x30/0x40 [ 69.537186] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 69.542828] RIP: 0033:0x7f941f938833 [ 69.546818] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 69.567798] RSP: 002b:00007fffc48b6248 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 69.576255] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f941f938833 [ 69.584216] RDX: 0000000000000020 RSI: 00007f941f82b000 RDI: 0000000000000001 [ 69.592185] RBP: 00007f941f82b000 R08: 00007f941f82a010 R09: 0000000000000000 [ 69.600156] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 69.608118] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 69.616093] irq event stamp: 0 [ 69.619529] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 69.626530] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 69.635665] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 69.644801] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 69.651801] ---[ end trace 05348d993f728f78 ]--- [ 69.656965] lkdtm: Saturation detected: still saturated 42a063 PMD 15a6000e1 # [ 59.788534] Oops: 0003 [#16] SMP PTI # [ 59.792512] CPU: 1 PID: 2036 Comm: cat Tainted: G D W 5.10.162-cip23 #1 # [ 59.801160] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 59.807965] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e # [ 59.813119] Code: 53 48 c7 c3 6b 28 d7 84 49 89 dc 48 89 da 49 81 ec 80 36 6e 84 4c 89 e6 e8 39 98 fd ff 48 89 df 4c 89 e1 48 c7 c6 80 36 6e 84 a4 48 c7 c7 a0 cc 8b 85 e8 1e 98 fd ff 5b 41 5c e9 b7 fe ff ff # [ 59.840310] RSP: 0018:ffffa7e0027bfe50 EFLAGS: 00010246 # [ 59.846134] RAX: 000000000000003c RBX: ffffffff84d7286b RCX: 000000000068f1eb # [ 59.854102] RDX: 0000000000000000 RSI: ffffffff846e3680 RDI: ffffffff84d7286b # [ 59.862079] RBP: ffffffff858bbeaa R08: 0000000000000000 R09: 0000000000000000 # [ 59.870045] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000068f1eb # [ 59.878019] R13: ffffa7e0027bff10 R14: ffffa7e0027bff10 R15: ffff9d34c570d000 # [ 59.885988] FS: 00007f62a87e4580(0000) GS:ffff9d353ac80000(0000) knlGS:0000000000000000 # [ 59.895024] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 59.901438] CR2: ffffffff84d7286b CR3: 00000001030fe006 CR4: 00000000003706e0 # [ 59.909404] Call Trace: # [ 59.912133] direct_entry.cold+0x2c/0x38 # [ 59.916511] full_proxy_write+0x53/0x80 # [ 59.927020] vfs_write+0xe7/0x3a0 # [ 59.930719] ksys_write+0x68/0xf0 # [ 59.940627] do_syscall_64+0x30/0x40 # [ 59.944617] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 59.950255] RIP: 0033:0x7f62a86fa833 # [ 59.954241] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 59.975221] RSP: 002b:00007fff4a801658 EFLAGS: 000002[ 69.842680] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED 46 ORIG_RAX: 0000000000000001 # [ 59.983675] RAX: fffffffffff[ 69.850825] lkdtm: attempting bad refcount_sub_and_test() from saturated fffda RBX: 000000000000000b RCX: 00007f62a86fa833 # [ 59.9916[ 69.864525] ------------[ cut here ]------------ 43] RDX: 000000000000000b RSI: 00007f62a85ed000 RDI: 00000000000[ 69.875892] refcount_t: underflow; use-after-free. 00001 # [ 59.999610] RBP: 00007f62a85ed000 R08: 00007f62a85ec[ 69.887484] WARNING: CPU: 1 PID: 2607 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 010 R09: 0000000000000000 # [ 60.007576] R10: fffffffffffffbc[ 69.903095] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 5 R11: 0000000000000246 R12: 0000000000000001 # [ 60.015544] [ 69.935729] CPU: 1 PID: 2607 Comm: cat Tainted: G D W 5.10.162-cip23 #1 R13: 0000000000000001 R14: 0000000000020000 R15: 000000000002000[ 69.950594] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 0 # [ 60.023515] Modules linked in: fuse ip_tables cros_ec_se[ 69.963616] RIP: 0010:refcount_warn_saturate+0xba/0x110 nsors cros_ec_sensors_core industrialio_triggered_buffer kfifo_b[ 69.975665] Code: 01 01 e8 04 85 98 00 0f 0b c3 cc cc cc cc 80 3d c3 0b 94 01 00 75 85 48 c7 c7 00 77 85 85 c6 05 b3 0b 94 01 01 e8 e1 84 98 00 <0f> 0b c3 cc cc cc cc 80 3d 9e 0b 94 01 00 0f 85 5e ff ff ff 48 c7 uf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_lightbar c[ 70.002862] RSP: 0018:ffffa7e003017e40 EFLAGS: 00010286 ros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_de[ 70.014909] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 v cros_usbpd_notify # [ 60.056146] CR2: ffffffff84d7286b # [[ 70.029094] RDX: ffff9d353acac660 RSI: ffff9d353ac9bf70 RDI: ffff9d353ac9bf70 60.059842] ---[ end trace 05348d993f728f68 ]--- # [ 60.065[ 70.043280] RBP: ffffffff858bbbe8 R08: 0000000000000000 R09: 0000000000000000 020] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 60.069396] Code: 89 ff [ 70.057468] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 e8 1e 77 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c[ 70.071656] R13: ffffa7e003017f10 R14: ffffa7e003017f10 R15: ffff9d34c55c7000 3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b [ 70.085841] FS: 00007fbfe3169580(0000) GS:ffff9d353ac80000(0000) knlGS:0000000000000000 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 93 93 02 # [[ 70.101096] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 60.096585] RSP: 0018:ffffa7e001487e60 EFLAGS: 00010282 # [ [ 70.113729] CR2: 00007fbfe2f72000 CR3: 0000000104f2c006 CR4: 00000000003706e0 60.102417] RAX: ffffffff846e32b0 RBX: 0000000000000001 RCX: 000[ 70.127914] Call Trace: 0000000000000 # [ 60.110385] RDX: 0000000000000000 RSI: ffff9[ 70.136867] __refcount_sub_and_test.constprop.0+0x3c/0x50 d353ad9bf70 RDI: ffffffff854d0d90 # [ 60.118351] RBP: fffffff[ 70.149206] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 f85917418 R08: 0000000000000001 R09: 0000000000000001 # [ 60.[ 70.161746] direct_entry.cold+0x2c/0x38 126318] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000[ 70.172340] full_proxy_write+0x53/0x80 000000004 # [ 60.134287] R13: ffffa7e001487f10 R14: ffffa7e00[ 70.182835] vfs_write+0xe7/0x3a0 1487f10 R15: ffff9d34c473d000 # [ 60.142256] FS: 00007f62a87[ 70.192757] ksys_write+0x68/0xf0 e4580(0000) GS:ffff9d353ac80000(0000) knlGS:0000000000000000 # [ 70.202667] do_syscall_64+0x30/0x40 [ 60.151284] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033[ 70.212868] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 60.157697] CR2: ffffffff84d7286b CR3: 00000001030fe006 C[ 70.224726] RIP: 0033:0x7fbfe307f833 R4: 00000000003706e0 # [ 60.165664] BUG: sleeping function ca[ 70.234932] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 lled from invalid context at include/linux/percpu-rwsem.h:49 # [ 70.262128] RSP: 002b:00007ffd730dc378 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 60.175573] in_atomic(): 0, irqs_disabled(): 1, non_block: 0,[ 70.276802] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fbfe307f833 pid: 2036, name: cat # [ 60.184026] INFO: lockdep is turned [ 70.290991] RDX: 0000000000000020 RSI: 00007fbfe2f72000 RDI: 0000000000000001 off. # [ 60.188401] irq event stamp: 0 # [ 60.191804] hard[ 70.305178] RBP: 00007fbfe2f72000 R08: 00007fbfe2f71010 R09: 0000000000000000 irqs last enabled at (0): [<0000000000000000>] 0x0 # [ 60.19[ 70.319364] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 8802] hardirqs last disabled at (0): [] copy_p[ 70.333550] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 rocess+0x664/0x1cb0 # [ 60.207934] softirqs last enabled at [ 70.347742] irq event stamp: 0 (0): [] copy_process+0x664/0x1cb0 # [ 60.21[ 70.357358] hardirqs last enabled at (0): [<0000000000000000>] 0x0 7072] softirqs last disabled at (0): [<0000000000000000>] 0x0 #[ 70.370573] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 60.224080] CPU: 1 PID: 2036 Comm: cat Tainted: G D W [ 70.385922] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 5.10.162-cip23 #1 # [ 60.232726] Hardware name: Google[ 70.401271] softirqs last disabled at (0): [<0000000000000000>] 0x0 Rammus/Rammus, BIOS 09/04/2020 # [ 60.239527] Call Trace: [ 70.414485] ---[ end trace 05348d993f728f79 ]--- # [ 60.242254] dump_stack+0x77/0x9b # [ 60.245953] ___mig[ 70.425856] lkdtm: Saturation detected: still saturated ht_sleep.cold+0xa6/0xb6 # [ 60.250525] exit_signals+0x1c/0x2e0 # [ 60.254513] do_exit+0xc2/0xaf0 # [ 60.258020] ? ksys_write+0x68/0xf0 # [ 60.261912] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 # [ 60.267357] rewind_stack_do_exit+0x17/0x20 # [ 60.272019] RIP: 0033:0x7f62a86fa833 # [ 60.276023] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 60.297018] RSP: 002b:00007fff4a801658 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 60.305471] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f62a86fa833 # [ 60.313437] RDX: 000000000000000b RSI: 00007f62a85ed000 RDI: 0000000000000001 # [ 60.321405] RBP: 00007f62a85ed000 R08: 00007f62a85ec010 R09: 0000000000000000 # [ 60.329372] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 60.337340] 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 # [ 60.539210] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 60.550923] lkdtm: attempting good refcount_inc() without overflow # [ 60.557861] lkdtm: attempting bad refcount_inc() overflow # [ 60.563916] ------------[ cut here ]------------ # [ 60.569088] refcount_t: saturated; leaking memory. # [ 60.574466] WARNING: CPU: 2 PID: 2071 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 60.583906] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 60.610373] CPU: 2 PID: 2071 Comm: cat Tainted: G D W 5.10.162-cip23 #1 # [ 60.625234] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 60.632088] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 60.637956] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 2e 0c 94 01 00 75 ee 48 c7 c7 a8 76 85 85 c6 05 1e 0c 94 01 01 e8 4a 85 98 00 <0f> 0b c3 cc cc cc cc 80 3d 0a 0c 94 01 00 75 cb 48 c7 c7 d0 76 85 # [ 60.658940] RSP: 0018:ffffa7e002767e48 EFLAGS: 00010286 # [ 60.664807] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 # [ 70.671650] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO [ 70.680955] lkdtm: attempting good copy_to_user of correct size [ 70.687580] lkdtm: attempting bad copy_to_user of too large size [ 60.672780] RDX: ffff9d353ad2c660 RSI: ffff9d353ad1bf70 RDI: ffff9d353ad1bf70 # [ 60.680753] RBP: ffffffff858bbeb5 R08: 0000000000000000 R09: 0000000000000000 # [ 60.688726] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 60.696729] R13: ffffa7e002767f10 R14: ffffa7e002767f10 R15: ffff9d34c306c000 # [ 60.704701] FS: 00007f9f382e3580(0000) GS:ffff9d353ad00000(0000) knlGS:0000000000000000 # [ 60.713742] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 60.720161] CR2: 00007f9f380ec000 CR3: 0000000103cf8001 CR4: 00000000003706e0 # [ 60.728132] Call Trace: # [ 60.730866] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 # [ 60.736247] direct_entry.cold+0x2c/0x38 # [ 60.740663] full_proxy_write+0x53/0x80 # [ 60.744976] vfs_write+0xe7/0x3a0 # [ 60.748707] ksys_write+0x68/0xf0 # [ 60.752440] do_syscall_64+0x30/0x40 # [ 60.756462] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 60.762135] RIP: 0033:0x7f9f381f9833 # [ 60.766129] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 60.787116] RSP: 002b:00007ffd5ee41958 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 60.795576] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f9f381f9833 # [ 60.803576] RDX: 0000000000000016 RSI: 00007f9f380ec000 RDI: 0000000000000001 # [ 60.811548] RBP: 00007f9f380ec000 R08: 00007f9f380eb010 R09: 0000000000000000 # [ 60.819521] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 60.827494] R13: 000000000000[ 70.850458] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM [ 70.862868] lkdtm: attempting good copy_from_user of correct size [ 70.869699] lkdtm: attempting bad copy_from_user of too large size 0001 R14: 0000000000020000 R15: 0000000000020000 # [ 60.841687] irq event stamp: 0 # [ 60.851306] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 60.864531] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 60.873695] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 60.882832] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 60.889833] ---[ end trace 05348d993f728f69 ]--- # [ 60.895012] 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 # [ 61.057373] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 61.068380] lkdtm: attempting good refcount_add() without overflow # [ 61.075318] lkdtm: attempting bad refcount_add() overflow # [ 61.081379] ------------[ cut here ]------------ # [ 61.086537] refcount_t: saturated; leaking memory. # [ 61.091913] WARNING: CPU: 2 PID: 2103 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 61.101346] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 61.134008] CPU: 2 PID: 2103 Comm: cat Tainted: G D W 5.10.162-cip23 #1 # [ 61.142668] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 71.023236] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 61.155690] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 71.033043] lkdtm: attempting good copy_to_user inside whitelist [ 61.167739] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 8[ 71.045971] lkdtm: attempting bad copy_to_user outside whitelist 0 3d 2e 0c 94 01 00 75 ee 48 c7 c7 a8 76 85 85 c6 05 1e 0c 94 01 01 e8 4a 85 98 00 <0f> 0b c3 cc cc cc cc 80 3d 0a 0c 94 01 00 75 cb 48 c7 c7 d0 76 85 # [ 61.188723] RSP: 0018:ffffa7e0028dfe48 EFLAGS: 00010286 # [ 61.194559] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 # [ 61.202534] RDX: ffff9d353ad2c660 RSI: ffff9d353ad1bf70 RDI: ffff9d353ad1bf70 # [ 61.210505] RBP: ffffffff858bbecb R08: 0000000000000000 R09: 0000000000000000 # [ 61.218479] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 61.226452] R13: ffffa7e0028dff10 R14: ffffa7e0028dff10 R15: ffff9d34c31da000 # [ 61.234425] FS: 00007ff2ee779580(0000) GS:ffff9d353ad00000(0000) knlGS:0000000000000000 # [ 61.243465] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 61.249883] CR2: 00007ff2ee582000 CR3: 0000000102862001 CR4: 00000000003706e0 # [ 61.257858] Call Trace: # [ 61.260590] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 # [ 61.265972] direct_entry.cold+0x2c/0x38 # [ 61.270384] full_proxy_write+0x53/0x80 # [ 61.274692] vfs_write+0xe7/0x3a0 # [ 61.278424] ksys_write+0x68/0xf0 # [ 61.282128] do_syscall_64+0x30/0x40 # [ 61.286144] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 61.291789] RIP: 0033:0x7ff2ee68f833 # [ 61.295780] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 4[ 71.197649] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM 0 00 48 83 ec 28 48 89 54 24 18 # [ 61.316766] RSP: 002b:0000[ 71.209261] lkdtm: attempting good copy_from_user inside whitelist 7ffd469e16b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ [ 71.222393] lkdtm: attempting bad copy_from_user outside whitelist 61.325226] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007ff2ee68f833 # [ 61.333198] RDX: 0000000000000016 RSI: 00007ff2ee582000 RDI: 0000000000000001 # [ 61.341170] RBP: 00007ff2ee582000 R08: 00007ff2ee581010 R09: 0000000000000000 # [ 61.349141] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 61.357115] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 61.365091] irq event stamp: 0 # [ 61.368525] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 61.381740] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 61.390880] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 61.400021] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 61.413239] ---[ end trace 05348d993f728f6a ]--- # [ 61.418396] 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 # [ 61.578086] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 61.586428] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 61.593364] ------------[ cut here ]------------ # [ 61.598557] refcount_t: saturated; leaking memory. # [ 61.603969] WARNING: [ 71.365421] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO CPU: 3 PID: 2135 at lib/refcount.c:19 refcount_warn_saturate+0x9[ 71.372940] lkdtm: good_stack: ffffa7e00338fe20-ffffa7e00338fe40 7/0x110 # [ 61.613409] Modules linked in: fuse ip_tables cros[ 71.385897] lkdtm: bad_stack : ffffa7e00338fda8-ffffa7e00338fdc8 _ec_sensors cros_ec_sensors_core industrialio_triggered_buffer k[ 71.398820] lkdtm: attempting good copy_to_user of local stack fifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_ligh[ 71.411555] lkdtm: attempting bad copy_to_user of distant stack tbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 61.646061] CPU: 3 PID: 2135 Comm: cat Tainted: G D W 5.10.162-cip23 #1 # [ 61.654747] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 61.661556] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 61.667394] Code: 01 01 e8 27 85 98 00 0f 0b c3 cc cc cc cc 80 3d e9 0b 94 01 00 75 a8 48 c7 c7 a8 76 85 85 c6 05 d9 0b 94 01 01 e8 04 85 98 00 <0f> 0b c3 cc cc cc cc 80 3d c3 0b 94 01 00 75 85 48 c7 c7 00 77 85 # [ 61.688379] RSP: 0018:ffffa7e00293fe38 EFLAGS: 00010282 # [ 61.694241] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 61.702218] RDX: ffff9d353adac660 RSI: ffff9d353ad9bf70 RDI: ffff9d353ad9bf70 # [ 61.716409] RBP: ffffffff858bbb08 R08: 0000000000000000 R09: 0000000000000000 # [ 61.724411] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 61.732386] R13: ffffa7e00293ff10 R14: ffffa7e00293ff10 R15: ffff9d34c5457000 # [ 61.740388] FS: 00007f12ce757580(0000) GS:ffff9d353ad80000(0000) knlGS:0000000000000000 # [ 61.749429] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 61.755870] CR2: 00007f12ce560000 CR3: 0000000104a58006 CR4: 00000000003706e0 # [ 61.763855] Call Trace: # [ 61.772791] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 61.778947] lkdtm_REFCOUNT_INC_NOT_ZERO_OVER[ 71.556874] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM [ 71.568167] lkdtm: good_stack: ffffa7e00345fe20-ffffa7e00345fe40 [ 71.574889] lkdtm: bad_stack : ffffa7e00345fda8-ffffa7e00345fdc8 [ 71.581630] lkdtm: attempting good copy_from_user of local stack FLOW+0x3e/0x76 # [ 61.791377] direct_entry.cold+0x2c/0x38 #[ 71.588349] lkdtm: attempting bad copy_from_user of distant stack [ 61.795761] full_proxy_write+0x53/0x80 # [ 61.800077] vfs_write+0xe7/0x3a0 # [ 61.803809] ksys_write+0x68/0xf0 # [ 61.807534] do_syscall_64+0x30/0x40 # [ 61.811557] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 61.817225] RIP: 0033:0x7f12ce66d833 # [ 61.821239] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 61.842226] RSP: 002b:00007ffed6541988 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 61.850685] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f12ce66d833 # [ 61.858657] RDX: 000000000000001f RSI: 00007f12ce560000 RDI: 0000000000000001 # [ 61.866630] RBP: 00007f12ce560000 R08: 00007f12ce55f010 R09: 0000000000000000 # [ 61.874603] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 61.882576] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 61.890573] irq event stamp: 0 # [ 61.893990] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 61.907202] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 61.916341] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 61.925481] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 61.932484] ---[ end trace 05348d993f728f6b ]--- # [ 61.937641] lkdtm: Overflow detected:[ 71.738903] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND [ 71.751126] lkdtm: good_stack: ffffa7e00351fe20-ffffa7e00351fe40 [ 71.757850] lkdtm: bad_stack : ffffa7e00351fff8-ffffa7e003520018 saturated # REFCOUNT_INC_NOT_ZERO_OVERFLOW: saw 'call trace:':[ 71.764573] lkdtm: attempting good copy_to_user of local stack [ 71.777325] lkdtm: attempting bad copy_to_user of distant stack ok ok 44 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh [ 71.783955] lkdtm: copy_to_user failed, but lacked Oops # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh # [ 62.126667] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 62.136803] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 62.149963] ------------[ cut here ]------------ # [ 62.161318] refcount_t: saturated; leaking memory. # [ 62.172900] WARNING: CPU: 0 PID: 2167 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 62.188532] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 62.221214] CPU: 0 PID: 2167 Comm: cat Tainted: G D W 5.10.162-cip23 #1 # [ 62.236093] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 62.249126] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 62.261189] Code: 01 01 e8 27 85 98 00 0f 0b c3 cc cc cc cc 80 3d e9 0b 94 01 00 75 a8 48 c7 c7 a8 76 85 85 c6 05 d9 0b 94 01 01 e8 04 85 98 00 <0f> 0b c3 cc cc cc cc 80 3d c3 0b 94 01 00 75 85 48 c7 c7 00 77 85 # [ 62.288399] RSP: 0018:ffffa7e0029c7e38 EFLAGS: 00010282 # [ 62.300443] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 62.314657] RDX: ffff9d353ac2c660 RSI: ffff9d353ac1bf70 RDI: ffff9d353ac1bf70 # [ 62.328841] RBP: ffffffff858bbb28 R08: 0000000000000000 R09: 0000000000000000 # [ 62.343039] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 62.357215] R13: ffffa7e0029c7f10 R14: ffffa7e0029c7f10 R15: ffff9d34c5d5a000 # [ 62.371432] FS: 00007f106c0ce580(0000) GS:ffff9d353ac00000(0000) knlGS:0000000000000000 # [ 62.386684] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 62.399317] CR2: 00007f106bed7000 CR3: 00000001040da001 CR4: 000000000[ 71.974421] lkdtm: Performing direct entry USERCOPY_KERNEL 03706f0 # [ 62.413512] Call Trace: # [ 62.422454] __refco[ 71.982495] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff854d1230 unt_add_not_zero.constprop.0+0x2a/0x35 # [ 62.434839] lkdtm_[ 71.997392] lkdtm: attempting bad copy_to_user from kernel text: ffffffff840e38b0 REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 62.447377] dire[ 72.011927] lkdtm: FAIL: survived bad copy_to_user() ct_entry.cold+0x2c/0x38 # [ 62.457889] full_proxy_write+0x53/0x80 # [ 62.468450] vfs_write+0xe7/0x3a0 # [ 62.478293] ksys_write+0x68/0xf0 # [ 62.488201] do_syscall_64+0x30/0x40 # [ 62.498437] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 62.510346] RIP: 0033:0x7f106bfe4833 # [ 62.520502] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 62.547746] RSP: 002b:00007fff616ac8f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 62.562423] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f106bfe4833 # [ 62.576635] RDX: 000000000000001f RSI: 00007f106bed7000 RDI: 0000000000000001 # [ 62.590816] RBP: 00007f106bed7000 R08: 00007f106bed6010 R09: 0000000000000000 # [ 62.605036] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 62.619237] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 62.633437] irq event stamp: 0 # [ 62.643049] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 62.656294] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 62.671638] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 62.687027] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 62.700231] ---[ end trace 05348d993f728f6c ]--- # [ 62.711625] lkdtm: Overflow detected: saturated # REFCOUNT_ADD_NOT_ZERO_OV[ 72.172062] lkdtm: Performing direct entry STACKLEAK_ERASING [ 72.179209] lkdtm: checking unused part of the thread stack (15928 bytes)... [ 72.187114] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) ERFLOW: saw 'call trace:': ok ok 45 selftests: lkdtm: REFCOUNT_[ 72.194915] lkdtm: FAIL: the thread stack is NOT properly erased [ 72.207838] CPU: 3 PID: 2972 Comm: cat Tainted: G D W 5.10.162-cip23 #1 [ 72.216497] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 72.223299] Call Trace: [ 72.226028] dump_stack+0x77/0x9b [ 72.229729] lkdtm_STACKLEAK_ERASING+0x116/0x144 [ 72.234875] direct_entry.cold+0x2c/0x38 [ 72.239254] full_proxy_write+0x53/0x80 [ 72.243535] vfs_write+0xe7/0x3a0 [ 72.247232] ksys_write+0x68/0xf0 [ 72.250931] do_syscall_64+0x30/0x40 [ 72.254921] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 72.260558] RIP: 0033:0x7f472554e833 [ 72.264546] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 72.285525] RSP: 002b:00007ffd02afb8d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 72.293979] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f472554e833 [ 72.301946] RDX: 0000000000000012 RSI: 00007f4725441000 RDI: 0000000000000001 [ 72.309914] RBP: 00007f4725441000 R08: 00007f4725440010 R09: 0000000000000000 [ 72.317882] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 72.325849] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ADD_NOT_ZERO_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_DEC_ZERO.sh # [ 62.857767] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 62.866123] lkdtm: attempting good refcount_dec() # [ 62.871385] lkdtm: attempting bad refcount_dec() to zero # [ 62.883535] ------------[ cut here ]------------ # [ 62.894895] refcount_t: decrement hit 0; leaking memory. # [ 62.900888] WARNING: CPU: 2 PID: 2199 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 62.910327] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 62.942981] CPU: 2 PID: 2199 Comm: cat Tainted: G D W 5.10.162-cip23 #1 # [ 62.951646] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 62.964656] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 62.970495] Code: 58 77 85 85 c6 05 8a 0b 94 01 01 e8 ba 84 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 28 77 85 85 c6 05 71 0b 94 01 01 e8 a0 84 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 62.991507] RSP: 0018:ffffa7e002a4fe48 EFLAGS: 00010286 # [ 62.997347] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 # [ 63.011536] RDX: ffff9d353ad2c660 RSI: ffff9d353ad1bf70 RDI: ffff9d353ad1bf70 # [ 63.019509] RBP: ffffffff858bbee1 R08: 0000000000000000 R09: 0000000000000000 # [ 63.027481] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 63.035453] R13: ffffa7e002a4ff10 R14: ffffa7e002a4ff10 R15: ffff9d34c5d37000 # [ 63.043430] FS: 00007ff0251ae580(0000) GS:ffff9d353ad00000(0000) knlGS:0000000000000000 # [ 63.052470] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 63.058887] CR2: 00007ff024fb7000 CR3: 0000000103164001 CR4: 00000000003706e0 # [ 63.066859] Call Trace: # [ 63.069591] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd # [ 63.074585] direct_entry.cold+0x2c/0x38 #[ 72.526695] lkdtm: Performing direct entry CFI_FORWARD_PROTO [ 63.078990] full_proxy_write+0x53/0x80 # [ 63.083304] v[ 72.539135] lkdtm: Calling matched prototype ... fs_write+0xe7/0x3a0 # [ 63.087029] ksys_write+0x68/0xf0 # [[ 72.550503] lkdtm: Calling mismatched prototype ... [ 72.562166] lkdtm: Fail: survived mismatched prototype function call! 63.090732] do_syscall_64+0x30/0x40 # [ 63.094723] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 63.100367] RIP: 0033:0x7ff0250c4833 # [ 63.104358] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 63.125341] RSP: 002b:00007ffce54fc168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 63.133800] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007ff0250c4833 # [ 63.141773] RDX: 0000000000000012 RSI: 00007ff024fb7000 RDI: 0000000000000001 # [ 63.149744] RBP: 00007ff024fb7000 R08: 00007ff024fb6010 R09: 0000000000000000 # [ 63.157719] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 63.165692] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 63.173666] irq event stamp: 0 # [ 63.177099] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 63.190311] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 63.199448] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 63.208586] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 63.215586] ---[ end trace 05348d993f728f6d ]--- # [ 63.220744] 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 # [ 63.360837] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 63.369073] lkdtm: attempting bad refcount_dec() below zero # [ 63.375305] ------------[ cut here ]------------ # [ 63.380466] refcount_t: decrement hit 0; leaking memory. # [ 63.386411] WARNING: CPU: 3 PID: 2234 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 63.402039] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 63.434676] CPU: 3 PID: 2234 Comm: cat Tainted: G D W 5.10.162-cip23 #1 # [ 63.443357] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 63.450189] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 63.456036] Code: 58 77 85 85 c6 05 8a 0b 94 01 01 e8 ba 84 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 28 77 85 85 c6 05 71 0b 94 01 01 e8 a0 84 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 63.483223] RSP: 0018:ffffa7e002a9fe48 EFLAGS: 00010286 # [ 63.489073] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 # [ 63.497045] RDX: ffff9d353adac660 RSI: ffff9d353ad9bf70 RDI: ffff9d353ad9bf70 # [ 63.505037] RBP: ffffffff858bbef3 R08: 0000000000000000 R09: 0000000000000000 # [ 63.513023] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 63.520994] R13: ffffa7e002a9ff10 R14: ffffa7e002a9ff10 R15: ffff9d34c3fbe000 # [ 63.535175] FS: 00007fdf2f069580(0000) GS:ffff9d353ad80000(0000) knlGS:0000000000000000 # [ 63.544213] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 63.550631] CR2: 00007fdf2ee72000 CR3: 0000000103d42003 CR4: 00000000003706e0 # [ 63.558600] Call Trace: # [ 63.561331] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 # [ 63.566704] direct_entry.cold+0x2c/0x38 # [ 63.571085] full_proxy_write+0x53/0x80 # [ 63.575393] vfs_write+0xe7/0x3a0 # [ 63.579118] ksys_write+0x68/0xf0 # [ 63.582819] do_syscall_64+0x30/0x40 # [ 63.586810] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 63.592452] RIP: 0033:0x7fdf2ef7f833 # [ 63.596443] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 63.617423] RSP: 002b:00007ffda56aa9b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 63.625880] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fdf2ef7f833 # [ 63.633850] RDX: 0000000000000016 RSI: 00007fdf2ee72000 RDI: 0000000000000001 # [ 63.641822] RBP: 00007fdf2ee72000 R08: 00007fdf2ee71010 R09: 0000000000000000 # [ 63.649794] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 63.657764] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 63.665742] irq event stamp: 0 # [ 63.675360] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 63.688579] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 63.697745] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 63.706885] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 63.713885] ---[ end trace 05348d993f728f6e ]--- # [ 63.719043] 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 # [ 63.876960] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 63.887137] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 63.900448] ------------[ cut here ]------------ # [ 63.911822] refcount_t: underflow; use-after-free. # [ 63.923425] WARNING: CPU: 0 PID: 2269 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 63.939054] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 63.971712] CPU: 0 PID: 2269 Comm: cat Tainted: G D W 5.10.162-cip23 #1 # [ 63.986586] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 63.999668] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 64.011665] Code: 01 01 e8 04 85 98 00 0f 0b c3 cc cc cc cc 80 3d c3 0b 94 01 00 75 85 48 c7 c7 00 77 85 85 c6 05 b3 0b 94 01 01 e8 e1 84 98 00 <0f> 0b c3 cc cc cc cc 80 3d 9e 0b 94 01 00 0f 85 5e ff ff ff 48 c7 # [ 64.038914] RSP: 0018:ffffa7e002b27e40 EFLAGS: 00010286 # [ 64.050953] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 # [ 64.065219] RDX: ffff9d353ac2c660 RSI: ffff9d353ac1bf70 RDI: ffff9d353ac1bf70 # [ 64.079397] RBP: ffffffff858bbb48 R08: 0000000000000000 R09: 0000000000000000 # [ 64.093632] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 64.107826] R13: ffffa7e002b27f10 R14: ffffa7e002b27f10 R15: ffff9d34c3d4f000 # [ 64.122011] FS: 00007efe002c4580(0000) GS:ffff9d353ac00000(0000) knlGS:0000000000000000 # [ 64.137312] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 64.149957] CR2: 00007efe000cd000 CR3: 0000000103030003 CR4: 00000000003706f0 # [ 64.164149] Call Trace: # [ 64.173106] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 64.185443] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 # [ 64.197870] direct_entry.cold+0x2c/0x38 # [ 64.208473] full_proxy_write+0x53/0x80 # [ 64.218982] vfs_write+0xe7/0x3a0 # [ 64.228882] ksys_write+0x68/0xf0 # [ 64.238780] do_syscall_64+0x30/0x40 # [ 64.249033] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 64.260879] RIP: 0033:0x7efe001da833 # [ 64.271064] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 64.292099] RSP: 002b:00007ffd7d3c72b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 64.306755] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007efe001da833 # [ 64.320944] RDX: 000000000000001f RSI: 00007efe000cd000 RDI: 0000000000000001 # [ 64.335117] RBP: 00007efe000cd000 R08: 00007efe000cc010 R09: 0000000000000000 # [ 64.349301] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 64.363529] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 64.377733] irq event stamp: 0 # [ 64.387362] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 64.400568] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 64.415944] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 64.431333] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 64.444535] ---[ end trace 05348d993f728f6f ]--- # [ 64.455945] 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 # [ 64.623545] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 64.636382] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 64.643491] ------------[ cut here ]------------ # [ 64.648652] refcount_t: underflow; use-after-free. # [ 64.654034] WARNING: CPU: 2 PID: 2304 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 64.669664] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 64.696120] CPU: 2 PID: 2304 Comm: cat Tainted: G D W 5.10.162-cip23 #1 # [ 64.710977] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 64.717785] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 64.723620] Code: 01 01 e8 04 85 98 00 0f 0b c3 cc cc cc cc 80 3d c3 0b 94 01 00 75 85 48 c7 c7 00 77 85 85 c6 05 b3 0b 94 01 01 e8 e1 84 98 00 <0f> 0b c3 cc cc cc cc 80 3d 9e 0b 94 01 00 0f 85 5e ff ff ff 48 c7 # [ 64.744602] RSP: 0018:ffffa7e002b7fe40 EFLAGS: 00010286 # [ 64.750440] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 # [ 64.758409] RDX: ffff9d353ad2c660 RSI: ffff9d353ad1bf70 RDI: ffff9d353ad1bf70 # [ 64.766380] RBP: ffffffff858bbb68 R08: 0000000000000000 R09: 0000000000000000 # [ 64.774350] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 64.782319] R13: ffffa7e002b7ff10 R14: ffffa7e002b7ff10 R15: ffff9d34c4cde000 # [ 64.790290] FS: 00007f75e5b86580(0000) GS:ffff9d353ad00000(0000) knlGS:0000000000000000 # [ 64.799330] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 64.805748] CR2: 00007f75e598f000 CR3: 0000000103030001 CR4: 00000000003706e0 # [ 64.813719] Call Trace: # [ 64.816467] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 64.822601] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b # [ 64.835032] direct_entry.cold+0x2c/0x38 # [ 64.839419] full_proxy_write+0x53/0x80 # [ 64.843703] vfs_write+0xe7/0x3a0 # [ 64.847403] ksys_write+0x68/0xf0 # [ 64.851103] do_syscall_64+0x30/0x40 # [ 64.855095] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 64.860735] RIP: 0033:0x7f75e5a9c833 # [ 64.864726] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 64.885709] RSP: 002b:00007ffd829bf538 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 64.894166] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f75e5a9c833 # [ 64.902140] RDX: 000000000000001f RSI: 00007f75e598f000 RDI: 0000000000000001 # [ 64.916326] RBP: 00007f75e598f000 R08: 00007f75e598e010 R09: 0000000000000000 # [ 64.930515] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 64.938518] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 64.946495] irq event stamp: 0 # [ 64.949930] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 64.963142] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 64.972337] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 64.981490] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 64.994692] ---[ end trace 05348d993f728f70 ]--- # [ 64.999850] 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 # [ 65.126709] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 65.135597] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 65.148901] lkdtm: Good: zero detected # [ 65.159287] lkdtm: Correctly stayed at zero # [ 65.170172] lkdtm: attempting bad refcount_inc() from zero # [ 65.176301] ------------[ cut here ]------------ # [ 65.187676] refcount_t: addition on 0; use-after-free. # [ 65.199659] WARNING: CPU: 1 PID: 2336 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 65.215268] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 65.247911] CPU: 1 PID: 2336 Comm: cat Tainted: G D W 5.10.162-cip23 #1 # [ 65.262773] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 65.275791] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 65.287842] Code: 01 01 e8 4a 85 98 00 0f 0b c3 cc cc cc cc 80 3d 0a 0c 94 01 00 75 cb 48 c7 c7 d0 76 85 85 c6 05 fa 0b 94 01 01 e8 27 85 98 00 <0f> 0b c3 cc cc cc cc 80 3d e9 0b 94 01 00 75 a8 48 c7 c7 a8 76 85 # [ 65.308823] RSP: 0018:ffffa7e002bdfe48 EFLAGS: 00010286 # [ 65.320867] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 # [ 65.328840] RDX: ffff9d353acac660 RSI: ffff9d353ac9bf70 RDI: ffff9d353ac9bf70 # [ 65.343020] RBP: ffffffff858bbf09 R08: 0000000000000000 R09: 0000000000000000 # [ 65.350992] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 65.365169] R13: ffffa7e002bdff10 R14: ffffa7e002bdff10 R15: ffff9d34c5c80000 # [ 65.373144] FS: 00007f4ed6fab580(0000) GS:ffff9d353ac80000(0000) knlGS:0000000000000000 # [ 65.388391] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 65.394809] CR2: 00007f4ed6db4000 CR3: 000000010549a004 CR4: 00000000003706e0 # [ 65.408988] Call Trace: # [ 65.411746] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 # [ 65.422915] direct_entry.cold+0x2c/0x38 # [ 65.433511] full_proxy_write+0x53/0x80 # [ 65.444028] vfs_write+0xe7/0x3a0 # [ 65.453940] ksys_write+0x68/0xf0 # [ 65.463861] do_syscall_64+0x30/0x40 # [ 65.474065] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 65.485921] RIP: 0033:0x7f4ed6ec1833 # [ 65.496125] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 65.517108] RSP: 002b:00007ffcd7c10a28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 65.531773] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f4ed6ec1833 # [ 65.539747] RDX: 0000000000000012 RSI: 00007f4ed6db4000 RDI: 0000000000000001 # [ 65.553925] RBP: 00007f4ed6db4000 R08: 00007f4ed6db3010 R09: 0000000000000000 # [ 65.561899] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 65.576080] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 65.584092] irq event stamp: 0 # [ 65.593685] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 65.600689] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 65.616035] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 65.631385] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 65.638385] ---[ end trace 05348d993f728f71 ]--- # [ 65.649748] lkdtm: Zero detected: saturated # REFCOUNT_INC_ZERO: saw 'call trace:': ok ok 50 selftests: lkdtm: REFCOUNT_INC_ZERO.sh # selftests: lkdtm: REFCOUNT_ADD_ZERO.sh # [ 65.791282] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 65.803801] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 65.810910] lkdtm: Good: zero detected # [ 65.815101] lkdtm: Correctly stayed at zero # [ 65.819772] lkdtm: attempting bad refcount_add() from zero # [ 65.825899] ------------[ cut here ]------------ # [ 65.831054] refcount_t: addition on 0; use-after-free. # [ 65.836817] WARNING: CPU: 3 PID: 2368 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 65.846242] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 65.878880] CPU: 3 PID: 2368 Comm: cat Tainted: G D W 5.10.162-cip23 #1 # [ 65.887531] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 65.894340] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 65.900175] Code: 01 01 e8 4a 85 98 00 0f 0b c3 cc cc cc cc 80 3d 0a 0c 94 01 00 75 cb 48 c7 c7 d0 76 85 85 c6 05 fa 0b 94 01 01 e8 27 85 98 00 <0f> 0b c3 cc cc cc cc 80 3d e9 0b 94 01 00 75 a8 48 c7 c7 a8 76 85 # [ 65.921156] RSP: 0018:ffffa7e002c6fe48 EFLAGS: 00010286 # [ 65.927008] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 # [ 65.934986] RDX: ffff9d353adac660 RSI: ffff9d353ad9bf70 RDI: ffff9d353ad9bf70 # [ 65.942956] RBP: ffffffff858bbf1b R08: 0000000000000000 R09: 0000000000000000 # [ 65.950927] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 65.958896] R13: ffffa7e002c6ff10 R14: ffffa7e002c6ff10 R15: ffff9d34c4d91000 # [ 65.966866] FS: 00007f42659d2580(0000) GS:ffff9d353ad80000(0000) knlGS:0000000000000000 # [ 65.975905] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 65.982321] CR2: 00007f42657db000 CR3: 000000010275a003 CR4: 00000000003706e0 # [ 65.990293] Call Trace: # [ 65.993027] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 # [ 66.004203] direct_entry.cold+0x2c/0x38 # [ 66.008607] full_proxy_write+0x53/0x80 # [ 66.012922] vfs_write+0xe7/0x3a0 # [ 66.016646] ksys_write+0x68/0xf0 # [ 66.020349] do_syscall_64+0x30/0x40 # [ 66.024364] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 66.030023] RIP: 0033:0x7f42658e8833 # [ 66.040229] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 66.061211] RSP: 002b:00007ffe3fa7dbd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 66.069673] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f42658e8833 # [ 66.077643] RDX: 0000000000000012 RSI: 00007f42657db000 RDI: 0000000000000001 # [ 66.091827] RBP: 00007f42657db000 R08: 00007f42657da010 R09: 0000000000000000 # [ 66.106024] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 66.120211] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 66.128185] irq event stamp: 0 # [ 66.131619] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 66.144851] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 66.153990] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 66.169332] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 66.176332] ---[ end trace 05348d993f728f72 ]--- # [ 66.181486] 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 # [ 66.314639] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 66.323580] lkdtm: attempting bad refcount_inc() from saturated # [ 66.330203] ------------[ cut here ]------------ # [ 66.335369] refcount_t: saturated; leaking memory. # [ 66.340736] WARNING: CPU: 2 PID: 2403 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 66.350171] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 66.376631] CPU: 2 PID: 2403 Comm: cat Tainted: G D W 5.10.162-cip23 #1 # [ 66.391495] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 66.404517] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 66.410376] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 2e 0c 94 01 00 75 ee 48 c7 c7 a8 76 85 85 c6 05 1e 0c 94 01 01 e8 4a 85 98 00 <0f> 0b c3 cc cc cc cc 80 3d 0a 0c 94 01 00 75 cb 48 c7 c7 d0 76 85 # [ 66.431360] RSP: 0018:ffffa7e002d1fe48 EFLAGS: 00010286 # [ 66.437225] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 # [ 66.445227] RDX: ffff9d353ad2c660 RSI: ffff9d353ad1bf70 RDI: ffff9d353ad1bf70 # [ 66.459400] RBP: ffffffff858bbf2d R08: 0000000000000000 R09: 0000000000000000 # [ 66.467371] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 66.475343] R13: ffffa7e002d1ff10 R14: ffffa7e002d1ff10 R15: ffff9d34c57c1000 # [ 66.483316] FS: 00007fce871b7580(0000) GS:ffff9d353ad00000(0000) knlGS:0000000000000000 # [ 66.492356] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 66.498774] CR2: 00007fce86fc0000 CR3: 0000000104d8e004 CR4: 00000000003706e0 # [ 66.506743] Call Trace: # [ 66.509476] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 # [ 66.514951] direct_entry.cold+0x2c/0x38 # [ 66.525538] full_proxy_write+0x53/0x80 # [ 66.529852] vfs_write+0xe7/0x3a0 # [ 66.533583] ksys_write+0x68/0xf0 # [ 66.537309] do_syscall_64+0x30/0x40 # [ 66.541330] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 66.546996] RIP: 0033:0x7fce870cd833 # [ 66.550988] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 66.572009] RSP: 002b:00007ffdf3563678 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 66.580477] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fce870cd833 # [ 66.594657] RDX: 0000000000000017 RSI: 00007fce86fc0000 RDI: 0000000000000001 # [ 66.602627] RBP: 00007fce86fc0000 R08: 00007fce86fbf010 R09: 0000000000000000 # [ 66.610598] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 66.618568] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 66.626562] irq event stamp: 0 # [ 66.629979] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 66.643188] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 66.652324] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 66.661463] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 66.674680] ---[ end trace 05348d993f728f73 ]--- # [ 66.686066] 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 # [ 66.837137] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 66.847941] lkdtm: attempting bad refcount_dec() from saturated # [ 66.860800] ------------[ cut here ]------------ # [ 66.872163] refcount_t: decrement hit 0; leaking memory. # [ 66.884317] WARNING: CPU: 0 PID: 2438 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 66.899966] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 66.932591] CPU: 0 PID: 2438 Comm: cat Tainted: G D W 5.10.162-cip23 #1 # [ 66.947476] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 66.960503] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 66.972588] Code: 58 77 85 85 c6 05 8a 0b 94 01 01 e8 ba 84 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 28 77 85 85 c6 05 71 0b 94 01 01 e8 a0 84 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 66.999755] RSP: 0018:ffffa7e002d97e48 EFLAGS: 00010286 # [ 67.011832] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 # [ 67.026021] RDX: ffff9d353ac2c660 RSI: ffff9d353ac1bf70 RDI: ffff9d353ac1bf70 # [ 67.040238] RBP: ffffffff858bbf44 R08: 0000000000000000 R09: 0000000000000000 # [ 67.054381] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 67.068566] R13: ffffa7e002d97f10 R14: ffffa7e002d97f10 R15: ffff9d34c3031000 # [ 67.082748] FS: 00007f70acc2e580(0000) GS:ffff9d353ac00000(0000) knlGS:0000000000000000 # [ 67.098030] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 67.110663] CR2: 00007f70aca37000 CR3: 0000000104e88002 CR4: 00000000003706f0 # [ 67.124863] Call Trace: # [ 67.133808] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f # [ 67.145543] direct_entry.cold+0x2c/0x38 # [ 67.156076] full_proxy_write+0x53/0x80 # [ 67.166592] vfs_write+0xe7/0x3a0 # [ 67.176462] ksys_write+0x68/0xf0 # [ 67.186375] do_syscall_64+0x30/0x40 # [ 67.196569] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 67.208431] RIP: 0033:0x7f70acb44833 # [ 67.218646] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 67.245852] RSP: 002b:00007fff58bdaf28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 67.260544] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f70acb44833 # [ 67.274741] RDX: 0000000000000017 RSI: 00007f70aca37000 RDI: 0000000000000001 # [ 67.288947] RBP: 00007f70aca37000 R08: 00007f70aca36010 R09: 0000000000000000 # [ 67.303130] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 67.317282] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 67.331516] irq event stamp: 0 # [ 67.341120] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 67.354336] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 67.369727] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 67.385108] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 67.398327] ---[ end trace 05348d993f728f74 ]--- # [ 67.409719] lkdtm: Saturation detected: still saturated # REFCOUNT_DEC_SATURATED: saw 'Saturation detected: still saturated': ok ok 53 selftests: lkdtm: REFCOUNT_DEC_SATURATED.sh # selftests: lkdtm: REFCOUNT_ADD_SATURATED.sh # [ 67.586461] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 67.596520] lkdtm: attempting bad refcount_dec() from saturated # [ 67.609350] ------------[ cut here ]------------ # [ 67.620716] refcount_t: saturated; leaking memory. # [ 67.626098] WARNING: CPU: 1 PID: 2473 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 67.641704] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 67.674342] CPU: 1 PID: 2473 Comm: cat Tainted: G D W 5.10.162-cip23 #1 # [ 67.689205] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 67.702226] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 67.714276] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 2e 0c 94 01 00 75 ee 48 c7 c7 a8 76 85 85 c6 05 1e 0c 94 01 01 e8 4a 85 98 00 <0f> 0b c3 cc cc cc cc 80 3d 0a 0c 94 01 00 75 cb 48 c7 c7 d0 76 85 # [ 67.741493] RSP: 0018:ffffa7e002e1fe48 EFLAGS: 00010286 # [ 67.753523] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 # [ 67.767708] RDX: ffff9d353acac660 RSI: ffff9d353ac9bf70 RDI: ffff9d353ac9bf70 # [ 67.781892] RBP: ffffffff858bbf5b R08: 0000000000000000 R09: 0000000000000000 # [ 67.796080] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 67.810264] R13: ffffa7e002e1ff10 R14: ffffa7e002e1ff10 R15: ffff9d34c32fc000 # [ 67.824448] FS: 00007f0f8de22580(0000) GS:ffff9d353ac80000(0000) knlGS:0000000000000000 # [ 67.839701] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 67.852334] CR2: 00007f0f8dc2b000 CR3: 0000000104c64001 CR4: 00000000003706e0 # [ 67.866516] Call Trace: # [ 67.869252] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 # [ 67.880912] direct_entry.cold+0x2c/0x38 # [ 67.891508] full_proxy_write+0x53/0x80 # [ 67.902022] vfs_write+0xe7/0x3a0 # [ 67.911938] ksys_write+0x68/0xf0 # [ 67.921854] do_syscall_64+0x30/0x40 # [ 67.932095] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 67.943960] RIP: 0033:0x7f0f8dd38833 # [ 67.954162] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 67.981383] RSP: 002b:00007ffeb2d54188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 67.996033] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f0f8dd38833 # [ 68.010215] RDX: 0000000000000017 RSI: 00007f0f8dc2b000 RDI: 0000000000000001 # [ 68.018188] RBP: 00007f0f8dc2b000 R08: 00007f0f8dc2a010 R09: 0000000000000000 # [ 68.032367] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 68.040341] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 68.054544] irq event stamp: 0 # [ 68.064145] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 68.071149] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 68.086492] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 68.095630] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 68.108836] ---[ end trace 05348d993f728f75 ]--- # [ 68.114017] 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 # [ 68.253200] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 68.264277] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 68.277980] ------------[ cut here ]------------ # [ 68.283142] refcount_t: saturated; leaking memory. # [ 68.288501] WARNING: CPU: 3 PID: 2505 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 68.297953] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 68.330648] CPU: 3 PID: 2505 Comm: cat Tainted: G D W 5.10.162-cip23 #1 # [ 68.339309] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 68.352321] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 68.358158] Code: 01 01 e8 27 85 98 00 0f 0b c3 cc cc cc cc 80 3d e9 0b 94 01 00 75 a8 48 c7 c7 a8 76 85 85 c6 05 d9 0b 94 01 01 e8 04 85 98 00 <0f> 0b c3 cc cc cc cc 80 3d c3 0b 94 01 00 75 85 48 c7 c7 00 77 85 # [ 68.379138] RSP: 0018:ffffa7e002e9fe38 EFLAGS: 00010282 # [ 68.384974] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 68.392943] RDX: ffff9d353adac660 RSI: ffff9d353ad9bf70 RDI: ffff9d353ad9bf70 # [ 68.400913] RBP: ffffffff858bbb88 R08: 0000000000000000 R09: 0000000000000000 # [ 68.408883] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 68.416852] R13: ffffa7e002e9ff10 R14: ffffa7e002e9ff10 R15: ffff9d34c3296000 # [ 68.424823] FS: 00007f4c3ba43580(0000) GS:ffff9d353ad80000(0000) knlGS:0000000000000000 # [ 68.433862] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 68.440278] CR2: 00007f4c3b84c000 CR3: 0000000104e38003 CR4: 00000000003706e0 # [ 68.448248] Call Trace: # [ 68.450977] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 68.457129] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 # [ 68.463448] direct_entry.cold+0x2c/0x38 # [ 68.467829] full_proxy_write+0x53/0x80 # [ 68.472136] vfs_write+0xe7/0x3a0 # [ 68.475857] ksys_write+0x68/0xf0 # [ 68.479558] do_syscall_64+0x30/0x40 # [ 68.483548] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 68.489191] RIP: 0033:0x7f4c3b959833 # [ 68.493181] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 68.514162] RSP: 002b:00007ffe782b3ed8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 68.522618] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f4c3b959833 # [ 68.530588] RDX: 0000000000000020 RSI: 00007f4c3b84c000 RDI: 0000000000000001 # [ 68.538560] RBP: 00007f4c3b84c000 R08: 00007f4c3b84b010 R09: 0000000000000000 # [ 68.552745] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 68.566931] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 68.574905] irq event stamp: 0 # [ 68.578338] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 68.591548] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 68.600685] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 68.609821] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 68.616819] ---[ end trace 05348d993f728f76 ]--- # [ 68.621976] 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 # [ 68.754600] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 68.766059] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 68.779781] ------------[ cut here ]------------ # [ 68.784952] refcount_t: saturated; leaking memory. # [ 68.790325] WARNING: CPU: 3 PID: 2537 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 68.799762] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 68.826219] CPU: 3 PID: 2537 Comm: cat Tainted: G D W 5.10.162-cip23 #1 # [ 68.841077] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 68.847888] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 68.859939] Code: 01 01 e8 27 85 98 00 0f 0b c3 cc cc cc cc 80 3d e9 0b 94 01 00 75 a8 48 c7 c7 a8 76 85 85 c6 05 d9 0b 94 01 01 e8 04 85 98 00 <0f> 0b c3 cc cc cc cc 80 3d c3 0b 94 01 00 75 85 48 c7 c7 00 77 85 # [ 68.887139] RSP: 0018:ffffa7e002f0fe38 EFLAGS: 00010282 # [ 68.893024] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 68.907232] RDX: ffff9d353adac660 RSI: ffff9d353ad9bf70 RDI: ffff9d353ad9bf70 # [ 68.915219] RBP: ffffffff858bbba8 R08: 0000000000000000 R09: 0000000000000000 # [ 68.929394] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 68.937366] R13: ffffa7e002f0ff10 R14: ffffa7e002f0ff10 R15: ffff9d34c4e8a000 # [ 68.945340] FS: 00007f30ae3ba580(0000) GS:ffff9d353ad80000(0000) knlGS:0000000000000000 # [ 68.954379] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 68.960799] CR2: 00007f30ae1c3000 CR3: 0000000104c34001 CR4: 00000000003706e0 # [ 68.968771] Call Trace: # [ 68.971505] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 68.977663] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 # [ 68.984030] direct_entry.cold+0x2c/0x38 # [ 68.988420] full_proxy_write+0x53/0x80 # [ 68.998911] vfs_write+0xe7/0x3a0 # [ 69.002640] ksys_write+0x68/0xf0 # [ 69.006344] do_syscall_64+0x30/0x40 # [ 69.010365] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 69.016027] RIP: 0033:0x7f30ae2d0833 # [ 69.026230] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 69.047213] RSP: 002b:00007ffe744ab9b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 69.055701] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f30ae2d0833 # [ 69.063675] RDX: 0000000000000020 RSI: 00007f30ae1c3000 RDI: 0000000000000001 # [ 69.071646] RBP: 00007f30ae1c3000 R08: 00007f30ae1c2010 R09: 0000000000000000 # [ 69.079619] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 69.087590] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 69.095567] irq event stamp: 0 # [ 69.099002] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 69.112211] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 69.121371] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 69.130508] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 69.143722] ---[ end trace 05348d993f728f77 ]--- # [ 69.148877] 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 # [ 69.308061] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 69.317814] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 69.325342] ------------[ cut here ]------------ # [ 69.330522] refcount_t: underflow; use-after-free. # [ 69.335923] WARNING: CPU: 3 PID: 2572 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 69.345366] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 69.371825] CPU: 3 PID: 2572 Comm: cat Tainted: G D W 5.10.162-cip23 #1 # [ 69.386681] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 69.393489] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 69.399323] Code: 01 01 e8 04 85 98 00 0f 0b c3 cc cc cc cc 80 3d c3 0b 94 01 00 75 85 48 c7 c7 00 77 85 85 c6 05 b3 0b 94 01 01 e8 e1 84 98 00 <0f> 0b c3 cc cc cc cc 80 3d 9e 0b 94 01 00 0f 85 5e ff ff ff 48 c7 # [ 69.420305] RSP: 0018:ffffa7e002f97e40 EFLAGS: 00010286 # [ 69.426142] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 # [ 69.440331] RDX: ffff9d353adac660 RSI: ffff9d353ad9bf70 RDI: ffff9d353ad9bf70 # [ 69.448329] RBP: ffffffff858bbbc8 R08: 0000000000000000 R09: 0000000000000000 # [ 69.456298] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 69.464270] R13: ffffa7e002f97f10 R14: ffffa7e002f97f10 R15: ffff9d34c29b3000 # [ 69.472239] FS: 00007f941fa22580(0000) GS:ffff9d353ad80000(0000) knlGS:0000000000000000 # [ 69.481300] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 69.487729] CR2: 00007f941f82b000 CR3: 00000001033d8003 CR4: 00000000003706e0 # [ 69.501903] Call Trace: # [ 69.504633] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 69.510765] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 # [ 69.517110] direct_entry.cold+0x2c/0x38 # [ 69.521488] full_proxy_write+0x53/0x80 # [ 69.525771] vfs_write+0xe7/0x3a0 # [ 69.529494] ksys_write+0x68/0xf0 # [ 69.533195] do_syscall_64+0x30/0x40 # [ 69.537186] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 69.542828] RIP: 0033:0x7f941f938833 # [ 69.546818] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 69.567798] RSP: 002b:00007fffc48b6248 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 69.576255] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f941f938833 # [ 69.584216] RDX: 0000000000000020 RSI: 00007f941f82b000 RDI: 0000000000000001 # [ 69.592185] RBP: 00007f941f82b000 R08: 00007f941f82a010 R09: 0000000000000000 # [ 69.600156] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 69.608118] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 69.616093] irq event stamp: 0 # [ 69.619529] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 69.626530] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 69.635665] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 69.644801] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 69.651801] ---[ end trace 05348d993f728f78 ]--- # [ 69.656965] 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 # [ 69.842680] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 69.850825] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 69.864525] ------------[ cut here ]------------ # [ 69.875892] refcount_t: underflow; use-after-free. # [ 69.887484] WARNING: CPU: 1 PID: 2607 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 69.903095] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_chardev cros_ec_sysfs cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 69.935729] CPU: 1 PID: 2607 Comm: cat Tainted: G D W 5.10.162-cip23 #1 # [ 69.950594] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 69.963616] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 69.975665] Code: 01 01 e8 04 85 98 00 0f 0b c3 cc cc cc cc 80 3d c3 0b 94 01 00 75 85 48 c7 c7 00 77 85 85 c6 05 b3 0b 94 01 01 e8 e1 84 98 00 <0f> 0b c3 cc cc cc cc 80 3d 9e 0b 94 01 00 0f 85 5e ff ff ff 48 c7 # [ 70.002862] RSP: 0018:ffffa7e003017e40 EFLAGS: 00010286 # [ 70.014909] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 # [ 70.029094] RDX: ffff9d353acac660 RSI: ffff9d353ac9bf70 RDI: ffff9d353ac9bf70 # [ 70.043280] RBP: ffffffff858bbbe8 R08: 0000000000000000 R09: 0000000000000000 # [ 70.057468] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 70.071656] R13: ffffa7e003017f10 R14: ffffa7e003017f10 R15: ffff9d34c55c7000 # [ 70.085841] FS: 00007fbfe3169580(0000) GS:ffff9d353ac80000(0000) knlGS:0000000000000000 # [ 70.101096] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 70.113729] CR2: 00007fbfe2f72000 CR3: 0000000104f2c006 CR4: 00000000003706e0 # [ 70.127914] Call Trace: # [ 70.136867] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 70.149206] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 # [ 70.161746] direct_entry.cold+0x2c/0x38 # [ 70.172340] full_proxy_write+0x53/0x80 # [ 70.182835] vfs_write+0xe7/0x3a0 # [ 70.192757] ksys_write+0x68/0xf0 # [ 70.202667] do_syscall_64+0x30/0x40 # [ 70.212868] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 70.224726] RIP: 0033:0x7fbfe307f833 # [ 70.234932] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 70.262128] RSP: 002b:00007ffd730dc378 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 70.276802] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fbfe307f833 # [ 70.290991] RDX: 0000000000000020 RSI: 00007fbfe2f72000 RDI: 0000000000000001 # [ 70.305178] RBP: 00007fbfe2f72000 R08: 00007fbfe2f71010 R09: 0000000000000000 # [ 70.319364] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 70.333550] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 70.347742] irq event stamp: 0 # [ 70.357358] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 70.370573] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 70.385922] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 70.401271] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 70.414485] ---[ end trace 05348d993f728f79 ]--- # [ 70.425856] 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 # [ 70.671650] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 70.680955] lkdtm: attempting good copy_to_user of correct size # [ 70.687580] 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 # [ 70.850458] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 70.862868] lkdtm: attempting good copy_from_user of correct size # [ 70.869699] 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 # [ 71.023236] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 71.033043] lkdtm: attempting good copy_to_user inside whitelist # [ 71.045971] 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 # [ 71.197649] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 71.209261] lkdtm: attempting good copy_from_user inside whitelist # [ 71.222393] 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 # [ 71.365421] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 71.372940] lkdtm: good_stack: ffffa7e00338fe20-ffffa7e00338fe40 # [ 71.385897] lkdtm: bad_stack : ffffa7e00338fda8-ffffa7e00338fdc8 # [ 71.398820] lkdtm: attempting good copy_to_user of local stack # [ 71.411555] 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 # [ 71.556874] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 71.568167] lkdtm: good_stack: ffffa7e00345fe20-ffffa7e00345fe40 # [ 71.574889] lkdtm: bad_stack : ffffa7e00345fda8-ffffa7e00345fdc8 # [ 71.581630] lkdtm: attempting good copy_from_user of local stack # [ 71.588349] 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 # [ 71.738903] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 71.751126] lkdtm: good_stack: ffffa7e00351fe20-ffffa7e00351fe40 # [ 71.757850] lkdtm: bad_stack : ffffa7e00351fff8-ffffa7e003520018 # [ 71.764573] lkdtm: attempting good copy_to_user of local stack # [ 71.777325] lkdtm: attempting bad copy_to_user of distant stack # [ 71.783955] 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 # [ 71.974421] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 71.982495] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff854d1230 # [ 71.997392] lkdtm: attempting bad copy_to_user from kernel text: ffffffff840e38b0 # [ 72.011927] 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 # [ 72.172062] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 72.179209] lkdtm: checking unused part of the thread stack (15928 bytes)... # [ 72.187114] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) # [ 72.194915] lkdtm: FAIL: the thread stack is NOT properly erased # [ 72.207838] CPU: 3 PID: 2972 Comm: cat Tainted: G D W 5.10.162-cip23 #1 # [ 72.216497] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 72.223299] Call Trace: # [ 72.226028] dump_stack+0x77/0x9b # [ 72.229729] lkdtm_STACKLEAK_ERASING+0x116/0x144 # [ 72.234875] direct_entry.cold+0x2c/0x38 # [ 72.239254] full_proxy_write+0x53/0x80 # [ 72.243535] vfs_write+0xe7/0x3a0 # [ 72.247232] ksys_write+0x68/0xf0 # [ 72.250931] do_syscall_64+0x30/0x40 # [ 72.254921] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 72.260558] RIP: 0033:0x7f472554e833 # [ 72.264546] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 72.285525] RSP: 002b:00007ffd02afb8d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 72.293979] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f472554e833 # [ 72.301946] RDX: 0000000000000012 RSI: 00007f4725441000 RDI: 0000000000000001 # [ 72.309914] RBP: 00007f4725441000 R08: 00007f4725440010 R09: 0000000000000000 # [ 72.317882] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 72.325849] 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 # [ 72.526695] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 72.539135] lkdtm: Calling matched prototype ... # [ 72.550503] lkdtm: Calling mismatched prototype ... # [ 72.562166] 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 /lava-8570446/0/tests/1_kselftest-lkdtm ./kselftest.sh: 131: ./parse-output.py: not found + ../../utils/send-to-lava.sh ./output/result.txt + set +x / #