[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 34668 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) WARNING: RW_VPD is uninitialized or empty. Normal boot. BS: BS_PRE_DEVICE times (us): entry 0 run 30 exit 0 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'cpu_microcode_blob.bin' CBFS: Found @ offset 11100 size d7c00 microcode: sig=0x806e9 pf=0x10 revision=0x97 Skip microcode update CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fsps.bin' CBFS: Found @ offset 167fc0 size 2f000 Detected 2 core, 4 thread CPU. Setting up SMI for CPU IED base = 0x7b400000 IED size = 0x00400000 Will perform SMM setup. CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz. Loading module at 00030000 with entry 00030000. filesize: 0x170 memsize: 0x170 Processing 16 relocs. Offset value of 0x00030000 Attempting to start 3 APs Waiting for 10ms after sending INIT. Waiting for 1st SIPI to complete...done. AP: slot 3 apic_id 2. AP: slot 2 apic_id 3. AP: slot 1 apic_id 1. Waiting for 2nd SIPI to complete...done. Loading module at 00038000 with entry 00038000. filesize: 0x1a8 memsize: 0x1a8 Processing 13 relocs. Offset value of 0x00038000 SMM Module: stub loaded at 00038000. Will call 7ab21603(00000000) Installing SMM handler to 0x7b000000 Loading module at 7b010000 with entry 7b010a19. filesize: 0x3b08 memsize: 0x8bc0 Processing 243 relocs. Offset value of 0x7b010000 Loading module at 7b008000 with entry 7b008000. filesize: 0x1a8 memsize: 0x1a8 Processing 13 relocs. Offset value of 0x7b008000 SMM Module: placing jmp sequence at 7b007c00 rel16 0x03fd SMM Module: placing jmp sequence at 7b007800 rel16 0x07fd SMM Module: placing jmp sequence at 7b007400 rel16 0x0bfd SMM Module: stub loaded at 7b008000. Will call 7b010a19(00000000) Clearing SMI status registers SMI_STS: PM1 PM1_STS: PWRBTN TCO_STS: BOOT SECOND_TO New SMBASE 0x7b000000 In relocation handler: CPU 0 New SMBASE=0x7b000000 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afffc00 In relocation handler: CPU 1 New SMBASE=0x7afffc00 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afff800 In relocation handler: CPU 2 New SMBASE=0x7afff800 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afff400 In relocation handler: CPU 3 New SMBASE=0x7afff400 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. Initializing CPU #0 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC... apic_id: 0x00 done. Turbo is available but hidden Turbo has been enabled SGX : param.enable = 0 Skip microcode update CPU #0 initialized Initializing CPU #1 Initializing CPU #3 Initializing CPU #2 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC...CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 apic_id: 0x02 done. Setting up local APIC...Setting up local APIC...Skip microcode update apic_id: 0x03 done. CPU #3 initialized Skip microcode update apic_id: 0x01 done. CPU #2 initialized Skip microcode update CPU #1 initialized bsp_do_flight_plan done after 226 msecs. CPU: frequency set to 3400 MHz Enabling SMIs. Locking SMM. VMX : param.enable = 1 VMX status: enabled, unlocked SGX: pre-conditions not met VMX status: enabled, unlocked SGX: pre-conditions not met VMX status: enabled, unlocked VMX status: enabled, unlocked SGX: pre-conditions not met SGX: pre-conditions not met CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'vbt.bin' CBFS: Found @ offset 103a00 size 48e Found a VBT of 4608 bytes after decompression psys_pmax = 360 FMAP: area GBB found @ c11000 (978944 bytes) ITSS IRQ Polarities Before: IPC0: 0x00ff4000 IPC1: 0x00000007 IPC2: 0x00000000 IPC3: 0x00000000 ITSS IRQ Polarities After: IPC0: 0x00ff4000 IPC1: 0x00000007 IPC2: 0x00000000 IPC3: 0x00000000 Override DT after FSP-S, PCH is KBL/SKL PCH-LP SKU BS: BS_DEV_INIT_CHIPS times (us): entry 375996 run 167537 exit 0 Enumerating buses... Show all devs... Before device enumeration. Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 DOMAIN: 0000: enabled 1 APIC: 00: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 PCI: 00:15.1: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PCI: 00:1f.1: enabled 1 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 USB0 port 0: enabled 1 I2C: 00:5c: enabled 1 I2C: 00:15: enabled 1 I2C: 00:39: enabled 1 I2C: 00:3a: enabled 1 I2C: 00:1a: enabled 1 PCI: 00:00.0: enabled 1 SPI: 00: enabled 1 PNP: 0c09.0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 APIC: 01: enabled 1 APIC: 03: enabled 1 APIC: 02: enabled 1 Compare with tree... Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 APIC: 00: enabled 1 APIC: 01: enabled 1 APIC: 03: enabled 1 APIC: 02: enabled 1 DOMAIN: 0000: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 USB0 port 0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 I2C: 00:5c: enabled 1 PCI: 00:15.1: enabled 1 I2C: 00:15: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 I2C: 00:39: enabled 1 I2C: 00:3a: enabled 1 I2C: 00:1a: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 SPI: 00: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PNP: 0c09.0: enabled 1 PCI: 00:1f.1: enabled 1 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 Root Device scanning... root_dev_scan_bus for Root Device CPU_CLUSTER: 0 enabled DOMAIN: 0000 enabled DOMAIN: 0000 scanning... PCI: pci_scan_bus for bus 00 PCI: 00:00.0 [8086/0000] ops PCI: 00:00.0 [8086/590c] enabled PCI: 00:02.0 [8086/0000] ops PCI: 00:02.0 [8086/591c] enabled PCI: 00:04.0 [8086/1903] enabled PCI: 00:08.0 [8086/1911] enabled PCI: 00:14.0 [8086/0000] bus ops PCI: 00:14.0 [8086/9d2f] enabled PCI: 00:14.2 [8086/9d31] enabled PCI: 00:15.0 [8086/0000] bus ops PCI: 00:15.0 [8086/9d60] enabled PCI: 00:15.1 [8086/0000] bus ops PCI: 00:15.1 [8086/9d61] enabled PCI: 00:16.0 [8086/0000] ops PCI: 00:16.0 [8086/9d3a] enabled PCI: 00:19.0 [8086/0000] ops PCI: 00:19.0 [8086/9d66] enabled PCI: 00:19.1 [8086/0000] bus ops PCI: 00:19.1 [8086/9d65] enabled PCI: 00:1c.0 [8086/0000] bus ops PCI: 00:1c.0 [8086/9d10] enabled PCI: 00:1e.0 [8086/0000] ops PCI: 00:1e.0 [8086/9d27] enabled PCI: 00:1e.2 [8086/0000] bus ops PCI: 00:1e.2 [8086/9d29] enabled PCI: 00:1e.4 [8086/9d2b] enabled PCI: 00:1e.6 [8086/0000] ops PCI: 00:1e.6 [8086/9d2d] enabled PCI: 00:1f.0 [8086/0000] bus ops PCI: 00:1f.0 [8086/9d4b] enabled PCI: Static device PCI: 00:1f.1 not found, disabling it. PCI: 00:1f.2 [8086/0000] bus ops PCI: 00:1f.2 [8086/9d21] enabled PCI: 00:1f.3 [8086/0000] bus ops PCI: 00:1f.3 [8086/9d71] enabled PCI: 00:1f.4 [8086/0000] bus ops PCI: 00:1f.4 [8086/9d23] enabled PCI: 00:1f.5 [8086/0000] bus ops PCI: 00:1f.5 [8086/9d24] enabled PCI: 00:14.0 scanning... scan_usb_bus for PCI: 00:14.0 USB0 port 0 enabled USB0 port 0 scanning... scan_usb_bus for USB0 port 0 USB2 port 0 enabled USB2 port 1 enabled USB2 port 2 enabled USB2 port 4 enabled USB2 port 8 enabled USB2 port 0 scanning... scan_usb_bus for USB2 port 0 scan_usb_bus for USB2 port 0 done scan_bus: scanning of bus USB2 port 0 took 8971 usecs USB2 port 1 scanning... scan_usb_bus for USB2 port 1 scan_usb_bus for USB2 port 1 done scan_bus: scanning of bus USB2 port 1 took 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 8974 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 8972 usecs scan_usb_bus for USB0 port 0 done scan_bus: scanning of bus USB0 port 0 took 90956 usecs scan_usb_bus for PCI: 00:14.0 done scan_bus: scanning of bus PCI: 00:14.0 took 107744 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 14154 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 14169 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 22373 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 53509 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 13854 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 11323 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 9267 usecs PCI: 00:1f.3 scanning... scan_bus: scanning of bus PCI: 00:1f.3 took 2719 usecs PCI: 00:1f.4 scanning... scan_generic_bus for PCI: 00:1f.4 scan_generic_bus for PCI: 00:1f.4 done scan_bus: scanning of bus PCI: 00:1f.4 took 10047 usecs PCI: 00:1f.5 scanning... scan_generic_bus for PCI: 00:1f.5 scan_generic_bus for PCI: 00:1f.5 done scan_bus: scanning of bus PCI: 00:1f.5 took 10047 usecs scan_bus: scanning of bus DOMAIN: 0000 took 466054 usecs root_dev_scan_bus for Root Device done scan_bus: scanning of bus Root Device took 486170 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 825929 exit 39231 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 2114279 exit 30 Enabling resources... PCI: 00:00.0 subsystem <- 8086/590c PCI: 00:00.0 cmd <- 06 PCI: 00:02.0 subsystem <- 8086/591c PCI: 00:02.0 cmd <- 03 PCI: 00:04.0 cmd <- 02 PCI: 00:08.0 cmd <- 06 PCI: 00:14.0 subsystem <- 8086/9d2f PCI: 00:14.0 cmd <- 02 PCI: 00:14.2 subsystem <- 8086/9d31 PCI: 00:14.2 cmd <- 02 PCI: 00:15.0 subsystem <- 8086/9d60 PCI: 00:15.0 cmd <- 06 PCI: 00:15.1 subsystem <- 8086/9d61 PCI: 00:15.1 cmd <- 06 PCI: 00:16.0 subsystem <- 8086/9d3a PCI: 00:16.0 cmd <- 02 PCI: 00:19.0 subsystem <- 8086/9d66 PCI: 00:19.0 cmd <- 06 PCI: 00:19.1 subsystem <- 8086/9d65 PCI: 00:19.1 cmd <- 06 PCI: 00:1c.0 bridge ctrl <- 0003 PCI: 00:1c.0 subsystem <- 8086/9d10 PCI: 00:1c.0 cmd <- 06 PCI: 00:1e.0 subsystem <- 8086/9d27 PCI: 00:1e.0 cmd <- 06 PCI: 00:1e.2 subsystem <- 8086/9d29 PCI: 00:1e.2 cmd <- 06 PCI: 00:1e.4 subsystem <- 8086/9d2b PCI: 00:1e.4 cmd <- 06 PCI: 00:1e.6 subsystem <- 8086/9d2d PCI: 00:1e.6 cmd <- 06 PCI: 00:1f.0 subsystem <- 8086/9d4b PCI: 00:1f.0 cmd <- 407 PCI: 00:1f.2 subsystem <- 8086/9d21 PCI: 00:1f.2 cmd <- 02 PCI: 00:1f.3 subsystem <- 8086/9d71 PCI: 00:1f.3 cmd <- 02 PCI: 00:1f.4 subsystem <- 8086/9d23 PCI: 00:1f.4 cmd <- 03 PCI: 00:1f.5 subsystem <- 8086/9d24 PCI: 00:1f.5 cmd <- 406 PCI: 01:00.0 subsystem <- 8086/095a PCI: 01:00.0 cmd <- 02 done. ME: Version : 11.8.50.3470 BS: BS_DEV_ENABLE times (us): entry 230 run 139324 exit 21660 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 30870 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 6985 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 2249 usecs PCI: 00:14.2 init ... PCI: 00:14.2 init finished in 2240 usecs PCI: 00:15.0 init ... DW I2C bus 0 at 0xd1132000 (400 KHz) PCI: 00:15.0 init finished in 5969 usecs PCI: 00:15.1 init ... DW I2C bus 1 at 0xd1133000 (400 KHz) PCI: 00:15.1 init finished in 5967 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 5969 usecs PCI: 00:1c.0 init ... Initializing PCH PCIe bridge. PCI: 00:1c.0 init finished in 5289 usecs PCI: 00:1e.4 init ... PCI: 00:1e.4 init finished in 2249 usecs PCI: 00:1f.0 init ... IOAPIC: Initializing IOAPIC at 0xfec00000 IOAPIC: Bootstrap Processor Local APIC = 0x00 IOAPIC: ID = 0x02 IOAPIC: Dumping registers reg 0x0000: 0x02000000 reg 0x0001: 0x00770020 reg 0x0002: 0x00000000 PCI: 00:1f.0 init finished in 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 23782 usecs PCI: 00:1f.4 init ... PCI: 00:1f.4 init finished in 2259 usecs PCI: 01:00.0 init ... PCI: 01:00.0 init finished in 2393 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 24652 usecs Devices initialized Show all devs... After init. Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 DOMAIN: 0000: enabled 1 APIC: 00: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 PCI: 00:15.1: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PCI: 00:1f.1: enabled 0 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 USB0 port 0: enabled 1 I2C: 01:5c: enabled 1 I2C: 02:15: enabled 1 I2C: 03:39: enabled 1 I2C: 03:3a: enabled 1 I2C: 03:1a: enabled 1 PCI: 01:00.0: enabled 1 SPI: 00: enabled 1 PNP: 0c09.0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 APIC: 01: enabled 1 APIC: 03: enabled 1 APIC: 02: enabled 1 PCI: 00:04.0: enabled 1 PCI: 00:08.0: enabled 1 FMAP: area RW_ELOG found @ 9f0000 (16384 bytes) ELOG: NV offset 0x9f0000 size 0x4000 ELOG: area is 4096 bytes, full threshold 3842, shrink size 1024 ELOG: Event(17) added with size 13 at 2022-11-13 07:48:58 UTC POST: Unexpected post code in previous boot: 0x34 ELOG: Event(A3) added with size 11 at 2022-11-13 07:48:58 UTC ELOG: Event(A6) added with size 13 at 2022-11-13 07:48:58 UTC ELOG: Event(92) added with size 9 at 2022-11-13 07:48:58 UTC ELOG: Event(9A) added with size 9 at 2022-11-13 07:48:58 UTC ELOG: Event(AD) added with size 10 at 2022-11-13 07:48:58 UTC ELOG: Event(9F) added with size 14 at 2022-11-13 07:48:58 UTC BS: BS_DEV_INIT times (us): entry 0 run 417303 exit 66314 ELOG: Event(A1) added with size 10 at 2022-11-13 07:48:58 UTC elog_add_boot_reason: Logged recovery mode boot (Dev-switch on), reason: 0x1b ELOG: Event(A0) added with size 9 at 2022-11-13 07:48:58 UTC elog_add_boot_reason: Logged dev mode boot Finalize devices... Devices finalized FMAP: area RW_NVRAM found @ 9fa000 (24576 bytes) BS: BS_POST_DEVICE times (us): entry 25558 run 3961 exit 5223 BS: BS_OS_RESUME_CHECK times (us): entry 0 run 55 exit 0 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/dsdt.aml' CBFS: Found @ offset 19af40 size 4691 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/slic' CBFS: 'fallback/slic' not found. ACPI: Writing ACPI tables at 7aa9a000. ACPI: * FACS ACPI: * DSDT Ramoops buffer: 0x100000@0x7a999000. SGX: not enabled or not supported. skip gnvs fill ACPI: * FADT SCI is IRQ9 ACPI: added table 1/32, length now 40 ACPI: * SSDT Found 1 CPU(s) with 4 core(s) each. \_SB.PCI0.I2C0.H05C: SISC Touchscreen at I2C: 01:5c \_SB.PCI0.I2C1.D015: ELAN Touchpad at I2C: 02:15 \_SB.PCI0.I2C5.MAXR: Maxim MAX98927 Codec address 039h \_SB.PCI0.I2C5.MAXL: Maxim MAX98927 Codec address 03ah \_SB.PCI0.I2C5.DLG7: Dialog Semiconductor DA7219 Audio Codec address 01ah irq 105 Error: Could not locate 'wifi_sar' in VPD. Error: failed from getting SAR limits! \_SB.PCI0.RP01.WIFI: Intel WiFi PCI: 01:00.0 \_SB.PCI0.SPI0.S001: SPI Device at SPI: 00 \_SB.PCI0.XHCI.RHUB.HS01: USB Type C Port 1 at USB2 port 0 \_SB.PCI0.XHCI.RHUB.HS02: USB Type A Port 1 at USB2 port 1 \_SB.PCI0.XHCI.RHUB.HS03: Bluetooth at USB2 port 2 \_SB.PCI0.XHCI.RHUB.HS05: USB Type C Port 2 at USB2 port 4 \_SB.PCI0.XHCI.RHUB.HS09: Camera at USB2 port 8 ACPI: added table 2/32, length now 44 ACPI: * MCFG ACPI: added table 3/32, length now 48 ACPI: * TPM2 ACPI: added table 4/32, length now 52 ACPI: * MADT SCI is IRQ9 ACPI: added table 5/32, length now 56 current = 7aa9fa60 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dmic-4ch-48khz-16b.bin' CBFS: Found @ offset 167000 size ba8 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dmic-4ch-48khz-32b.bin' CBFS: Found @ offset 19f640 size ba8 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dialog-2ch-48khz-24b.bin' CBFS: Found @ offset 167cc0 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dialog-2ch-48khz-24b.bin' CBFS: Found @ offset 167cc0 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'max98927-render-2ch-48khz-24b.bin' CBFS: Found @ offset 167c00 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'max98927-render-2ch-48khz-16b.bin' CBFS: Found @ offset 103f00 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'max98927-render-2ch-48khz-16b.bin' CBFS: Found @ offset 103f00 size 64 ACPI: * NHLT ACPI: added table 6/32, length now 60 ACPI: * DMAR ACPI: added table 7/32, length now 64 ACPI: * IGD OpRegion GMA: Found VBT in CBFS GMA: Found valid VBT in CBFS current = 7aaa3610 ACPI: added table 8/32, length now 68 ACPI: * HPET ACPI: added table 9/32, length now 72 ACPI: done. ACPI tables: 38592 bytes. smbios_write_tables: 7a998000 Create SMBIOS type 17 PCI: 01:00.0 (Intel WiFi) SMBIOS tables: 662 bytes. Writing table forward entry at 0x00000500 Wrote coreboot table at: 00000500, 0x10 bytes, checksum a532 Writing coreboot table at 0x7aabe000 0. 0000000000000000-0000000000000fff: CONFIGURATION TABLES 1. 0000000000001000-000000000009ffff: RAM 2. 00000000000a0000-00000000000fffff: RESERVED 3. 0000000000100000-000000007a997fff: RAM 4. 000000007a998000-000000007ab05fff: CONFIGURATION TABLES 5. 000000007ab06000-000000007abcffff: RAMSTAGE 6. 000000007abd0000-000000007affffff: CONFIGURATION TABLES 7. 000000007b000000-000000007fffffff: RESERVED 8. 00000000e0000000-00000000e3ffffff: RESERVED 9. 00000000fe000000-00000000fe00ffff: RESERVED 10. 00000000fed10000-00000000fed19fff: RESERVED 11. 00000000fed80000-00000000fed84fff: RESERVED 12. 00000000fed90000-00000000fed91fff: RESERVED 13. 0000000100000000-000000017effffff: RAM Graphics framebuffer located at 0xc0000000 Passing 6 GPIOs to payload: NAME | PORT | POLARITY | VALUE write protect | undefined | high | low recovery | undefined | high | low lid | undefined | high | high power | undefined | high | low oprom | undefined | high | low EC in RW | 0x00000036 | high | low Board ID: 6 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) Wrote coreboot table at: 7aabe000, 0x57c bytes, checksum 3538 coreboot table: 1428 bytes. IMD ROOT 0. 7afff000 00001000 IMD SMALL 1. 7affe000 00001000 FSP MEMORY 2. 7abfe000 00400000 CONSOLE 3. 7abde000 00020000 TIME STAMP 4. 7abdd000 00000910 VBOOT 5. 7abdc000 00000c0c MRC DATA 6. 7abda000 00001878 ROMSTG STCK 7. 7abd9000 00000400 AFTER CAR 8. 7abd0000 00009000 RAMSTAGE 9. 7ab05000 000cb000 REFCODE 10. 7aad6000 0002f000 SMM BACKUP 11. 7aac6000 00010000 COREBOOT 12. 7aabe000 00008000 ACPI 13. 7aa9a000 00024000 ACPI GNVS 14. 7aa99000 00001000 RAMOOPS 15. 7a999000 00100000 SMBIOS 16. 7a998000 00000800 IMD small region: IMD ROOT 0. 7affec00 00000400 FSP RUNTIME 1. 7affebe0 00000004 VBOOT SEL 2. 7affebc0 00000008 EC HOSTEVENT 3. 7affeba0 00000008 POWER STATE 4. 7affeb60 00000040 ROMSTAGE 5. 7affeb40 00000004 MEM INFO 6. 7affe980 000001a9 COREBOOTFWD 7. 7affe940 00000028 MTRR: Physical address space: 0x0000000000000000 - 0x00000000000a0000 size 0x000a0000 type 6 0x00000000000a0000 - 0x00000000000c0000 size 0x00020000 type 0 0x00000000000c0000 - 0x000000007b800000 size 0x7b740000 type 6 0x000000007b800000 - 0x00000000c0000000 size 0x44800000 type 0 0x00000000c0000000 - 0x00000000d0000000 size 0x10000000 type 1 0x00000000d0000000 - 0x0000000100000000 size 0x30000000 type 0 0x0000000100000000 - 0x000000017f000000 size 0x7f000000 type 6 MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 call enable_fixed_mtrr() CPU physical address size: 39 bits MTRR: default type WB/UC MTRR counts: 6/5. MTRR: UC selected as default type. MTRR: 0 base 0x0000000000000000 mask 0x0000007f80000000 type 6 MTRR: 1 base 0x000000007b800000 mask 0x0000007fff800000 type 0 MTRR: 2 base 0x000000007c000000 mask 0x0000007ffc000000 type 0 MTRR: 3 base 0x00000000c0000000 mask 0x0000007ff0000000 type 1 MTRR: 4 base 0x0000000100000000 mask 0x0000007f80000000 type 6 MTRR check Fixed MTRRs : Enabled Variable MTRRs: Enabled MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 BS: BS_WRITE_TABLES times (us): entry 0 run 534061 exit 146872 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() CBFS: Found @ offset 223040 size 360b4 CPU physical address size: 39 bits 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 Checking segment from ROM address 0xfff23078 call enable_fixed_mtrr() Checking segment from ROM address 0xfff23094 CPU physical address size: 39 bits 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 603 run 261245 exit 135695 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 7961788/tftp-deploy-mzvxq1t0/kernel/bzImage 7961788/tftp-deploy-mzvxq1t0/kernel/cmdline 7961788/tftp-deploy-mzvxq1t0/ramdisk/ramdisk.cpio.gz tftpboot 192.168.201.1 7961788/tftp-deploy-mzvxq1t0/kernel/bzImoy-mzvxq1t0/kernel/cmdline 7961788/tftp-deploy-mzvxq1t0/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: 7961788/tftp-deploy-mzvxq1t0/kernel/bzImage Sending tftp read request... done. Waiting for the transfer... 00000000 ################################################################ 00080000 ################################################################ 00100000 ################################################################ 00180000 ################################################################ 00200000 ################################################################ 00280000 ################################################################ 00300000 ################################################################ 00380000 ################################################################ 00400000 ################################################################ 00480000 ################################################################ 00500000 ################################################################ 00580000 ################################################################ 00600000 ################################################################ 00680000 ################################################################ 00700000 ################################################################ 00780000 ################################################################ 00800000 ################################################################ 00880000 ################################################################ 00900000 ################################################################ 00980000 ################################################################ 00a00000 ################################################################ 00a80000 ################################################################ 00b00000 ################################################################ 00b80000 ################################################################ 00c00000 ################################################################ 00c80000 ################################################################ 00d00000 ################################################ done. The bootfile was 14024416 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: 7961788/tftp-deploy-mzvxq1t0/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/7961788/extract-nfsrootfs-v5tisvqa,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: 17707056 Starting kernel ... [ 0.000000] Linux version 5.10.154-cip20 (KernelCI@build-j499368-x86-64-gcc-10-x86-64-defconfig-x86-chromeboosg9lw) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Sun Nov 13 07:38:33 UTC 2022 [ 0.000000] Command line: earlyprintk=uart8250,mmio32,0xde000000,115200n8 console=ttyS0,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/7961788/extract-nfsrootfs-v5tisvqa,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 [ 0.000056] last_pfn = 0x17f000 max_arch_pfn = 0x400000000 [ 0.001318] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.006755] last_pfn = 0x7a998 max_arch_pfn = 0x400000000 [ 0.024176] check: Scanning 1 areas for low memory corruption [ 0.024188] Using GB pages for direct mapping [ 0.024709] RAMDISK: [mem 0x377f8000-0x37ffffff] [ 0.024717] ACPI: Early table checksum verification disabled [ 0.024724] ACPI: RSDP 0x00000000000F0000 000024 (v02 CORE ) [ 0.024738] ACPI: XSDT 0x000000007AA9A0E0 00006C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.024754] ACPI: FACP 0x000000007AA9E970 0000F4 (v04 CORE COREBOOT 00000000 CORE 00000000) [ 0.024769] ACPI: DSDT 0x000000007AA9A280 0046E3 (v05 COREv4 COREBOOT 20110725 INTL 20180531) [ 0.024782] ACPI: FACS 0x000000007AA9A240 000040 [ 0.024792] ACPI: FACS 0x000000007AA9A240 000040 [ 0.024803] ACPI: SSDT 0x000000007AA9EA70 000EFA (v02 CORE COREBOOT 0000002A CORE 0000002A) [ 0.024816] ACPI: MCFG 0x000000007AA9F970 00003C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.024827] ACPI: TPM2 0x000000007AA9F9B0 000040 (v04 CORE COREBOOT 00000000 CORE 00000000) [ 0.024839] ACPI: APIC 0x000000007AA9F9F0 00006C (v02 CORE COREBOOT 00000000 CORE 00000000) [ 0.024850] ACPI: NHLT 0x000000007AA9FA60 001B1C (v05 GOOGLE RAMMUS 00000000 CORE 00000000) [ 0.024862] ACPI: DMAR 0x000000007AAA1580 000088 (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.024874] ACPI: DBG2 0x000000007AAA3610 000061 (v00 CORE COREBOOT 00000000 CORE 00000000) [ 0.024886] ACPI: HPET 0x000000007AAA3680 000038 (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.024897] ACPI: Reserving FACP table memory at [mem 0x7aa9e970-0x7aa9ea63] [ 0.024902] ACPI: Reserving DSDT table memory at [mem 0x7aa9a280-0x7aa9e962] [ 0.024907] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] [ 0.024912] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] [ 0.024916] ACPI: Reserving SSDT table memory at [mem 0x7aa9ea70-0x7aa9f969] [ 0.024920] ACPI: Reserving MCFG table memory at [mem 0x7aa9f970-0x7aa9f9ab] [ 0.024925] ACPI: Reserving TPM2 table memory at [mem 0x7aa9f9b0-0x7aa9f9ef] [ 0.024930] ACPI: Reserving APIC table memory at [mem 0x7aa9f9f0-0x7aa9fa5b] [ 0.024934] ACPI: Reserving NHLT table memory at [mem 0x7aa9fa60-0x7aaa157b] [ 0.024939] ACPI: Reserving DMAR table memory at [mem 0x7aaa1580-0x7aaa1607] [ 0.024943] ACPI: Reserving DBG2 table memory at [mem 0x7aaa3610-0x7aaa3670] [ 0.024948] ACPI: Reserving HPET table memory at [mem 0x7aaa3680-0x7aaa36b7] [ 0.025083] No NUMA configuration found [ 0.025088] Faking a node at [mem 0x0000000000000000-0x000000017effffff] [ 0.025098] NODE_DATA(0) allocated [mem 0x17effa000-0x17effdfff] [ 0.025140] Zone ranges: [ 0.025144] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.025151] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.025158] Normal [mem 0x0000000100000000-0x000000017effffff] [ 0.025165] Movable zone start for each node [ 0.025170] Early memory node ranges [ 0.025175] node 0: [mem 0x0000000000001000-0x000000000009ffff] [ 0.025179] node 0: [mem 0x0000000000100000-0x000000007a997fff] [ 0.025184] node 0: [mem 0x0000000100000000-0x000000017effffff] [ 0.025190] Initmem setup node 0 [mem 0x0000000000001000-0x000000017effffff] [ 0.025224] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.025266] On node 0, zone DMA: 96 pages in unavailable ranges [ 0.036004] On node 0, zone Normal: 22120 pages in unavailable ranges [ 0.036081] On node 0, zone Normal: 4096 pages in unavailable ranges [ 0.036106] Reserving Intel graphics memory at [mem 0x7c000000-0x7fffffff] [ 0.036462] ACPI: PM-Timer IO Port: 0x1808 [ 0.036518] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-119 [ 0.036531] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 0.036537] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.036551] Using ACPI (MADT) for SMP configuration information [ 0.036557] ACPI: HPET id: 0x8086a701 base: 0xfed00000 [ 0.036564] TSC deadline timer available [ 0.036569] smpboot: Allowing 4 CPUs, 0 hotplug CPUs [ 0.036599] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.036605] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000fffff] [ 0.036611] PM: hibernation: Registered nosave memory: [mem 0x7a998000-0x7affffff] [ 0.036615] PM: hibernation: Registered nosave memory: [mem 0x7b000000-0x7fffffff] [ 0.036619] PM: hibernation: Registered nosave memory: [mem 0x80000000-0xdfffffff] [ 0.036624] PM: hibernation: Registered nosave memory: [mem 0xe0000000-0xe3ffffff] [ 0.036628] PM: hibernation: Registered nosave memory: [mem 0xe4000000-0xfdffffff] [ 0.036632] PM: hibernation: Registered nosave memory: [mem 0xfe000000-0xfe00ffff] [ 0.036637] PM: hibernation: Registered nosave memory: [mem 0xfe010000-0xfed0ffff] [ 0.036641] PM: hibernation: Registered nosave memory: [mem 0xfed10000-0xfed19fff] [ 0.036645] PM: hibernation: Registered nosave memory: [mem 0xfed1a000-0xfed7ffff] [ 0.036649] PM: hibernation: Registered nosave memory: [mem 0xfed80000-0xfed84fff] [ 0.036653] PM: hibernation: Registered nosave memory: [mem 0xfed85000-0xfed8ffff] [ 0.036658] PM: hibernation: Registered nosave memory: [mem 0xfed90000-0xfed91fff] [ 0.036662] PM: hibernation: Registered nosave memory: [mem 0xfed92000-0xffffffff] [ 0.036670] [mem 0x80000000-0xdfffffff] available for PCI devices [ 0.036678] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns [ 0.050043] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:4 nr_node_ids:1 [ 0.050314] percpu: Embedded 59 pages/cpu s200848 r8192 d32624 u524288 [ 0.050393] Built 1 zonelists, mobility grouping on. Total pages: 1006266 [ 0.050398] Policy zone: Normal [ 0.050412] 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/7961788/extract-nfsrootfs-v5tisvqa,tcp,hard ip=dhcp tftpserverip=192.168.201.1 [ 0.050914] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) [ 0.051151] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear) [ 0.051243] mem auto-init: stack:off, heap alloc:off, heap free:off [ 0.072171] Memory: 3888560K/4089052K available (18450K kernel code, 3466K rwdata, 6812K rodata, 2040K init, 13228K bss, 200232K reserved, 0K cma-reserved) [ 0.072334] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 [ 0.072399] Kernel/User page tables isolation: enabled [ 0.072484] ftrace: allocating 53411 entries in 209 pages [ 0.128406] ftrace: allocated 209 pages with 4 groups [ 0.128688] Running RCU self tests [ 0.128703] rcu: Hierarchical RCU implementation. [ 0.128707] rcu: RCU event tracing is enabled. [ 0.128711] rcu: RCU lockdep checking is enabled. [ 0.128716] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=4. [ 0.128721] Rude variant of Tasks RCU enabled. [ 0.128725] Tracing variant of Tasks RCU enabled. [ 0.128730] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies. [ 0.128734] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 [ 0.138464] NR_IRQS: 4352, nr_irqs: 1024, preallocated irqs: 16 [ 0.138920] random: crng init done [ 0.139025] Console: colour dummy device 80x25 [ 0.214187] printk: console [ttyS0] enabled [ 0.214555] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.215216] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.215577] ... MAX_LOCK_DEPTH: 48 [ 0.215944] ... MAX_LOCKDEP_KEYS: 8192 [ 0.216326] ... CLASSHASH_SIZE: 4096 [ 0.216707] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.217095] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.217484] ... CHAINHASH_SIZE: 32768 [ 0.217873] memory used by lock dependency info: 6365 kB [ 0.218341] memory used for stack traces: 4224 kB [ 0.218758] per task-struct memory footprint: 1920 bytes [ 0.219283] ACPI: Core revision 20200925 [ 0.219871] hpet: HPET dysfunctional in PC10. Force disabled. [ 0.220371] APIC: Switch to symmetric I/O mode setup [ 0.224887] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x170fff30cc4, max_idle_ns: 440795237869 ns [ 0.225809] Calibrating delay loop (skipped), value calculated using timer frequency.. 3199.92 BogoMIPS (lpj=1599960) [ 0.226714] pid_max: default: 32768 minimum: 301 [ 0.226791] LSM: Security Framework initializing [ 0.226791] SELinux: Initializing. [ 0.226791] LSM support for eBPF active [ 0.226791] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.226791] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.226791] mce: CPU0: Thermal monitoring enabled (TM1) [ 0.226791] process: using mwait in idle threads [ 0.226791] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8 [ 0.226791] Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4 [ 0.226791] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 0.226791] Spectre V2 : Mitigation: IBRS [ 0.226791] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 0.226791] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB on VMEXIT [ 0.226791] RETBleed: Mitigation: IBRS [ 0.226791] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier [ 0.226791] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl and seccomp [ 0.226791] MDS: Vulnerable: Clear CPU buffers attempted, no microcode [ 0.226791] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode [ 0.226791] SRBDS: Vulnerable: No microcode [ 0.226791] ------------[ cut here ]------------ [ 0.226791] missing return thunk: lkdtm_rodata_do_nothing+0x0/0x10-lkdtm_rodata_do_nothing+0x5/0x10: e9 00 00 00 00 [ 0.226791] WARNING: CPU: 0 PID: 0 at arch/x86/kernel/alternative.c:712 apply_returns+0x1f5/0x220 [ 0.226791] Modules linked in: [ 0.226791] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.10.154-cip20 #1 [ 0.226791] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 0.226791] RIP: 0010:apply_returns+0x1f5/0x220 [ 0.226791] 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 20 9f cc 8d c6 05 cc 5a e4 01 01 e8 76 b6 e8 00 <0f> 0b e9 b9 fe ff ff 44 89 f9 c7 00 cc cc cc cc c7 44 08 fc cc cc [ 0.226791] RSP: 0000:ffffffff8e003de0 EFLAGS: 00010282 [ 0.226791] RAX: 0000000000000000 RBX: ffffffff8eae6270 RCX: 0000000000000000 [ 0.226791] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8c57a891 [ 0.226791] RBP: ffffffff8d99c220 R08: 0000000000000001 R09: 0000000000000001 [ 0.226791] R10: ffffffff8e08fcc0 R11: 3fffffffffffffff R12: ffffffff8eafde98 [ 0.226791] R13: cccccccccccccccc R14: ffffffff8d99c225 R15: 0000000000000004 [ 0.226791] FS: 0000000000000000(0000) GS:ffff9e75bac00000(0000) knlGS:0000000000000000 [ 0.226791] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 0.226791] CR2: ffff9e75befff000 CR3: 0000000021626001 CR4: 00000000003706f0 [ 0.226791] Call Trace: [ 0.226791] alternative_instructions+0x7d/0x143 [ 0.226791] check_bugs+0xedd/0xf39 [ 0.226791] start_kernel+0x517/0x54d [ 0.226791] secondary_startup_64_no_verify+0xc2/0xcb [ 0.226791] irq event stamp: 162643 [ 0.226791] hardirqs last enabled at (162651): [] console_unlock+0x4d1/0x5f0 [ 0.226791] hardirqs last disabled at (162658): [] console_unlock+0x444/0x5f0 [ 0.226791] softirqs last enabled at (1844): [] cgroup_idr_alloc.constprop.0+0x5b/0xe0 [ 0.226791] softirqs last disabled at (1842): [] cgroup_idr_alloc.constprop.0+0x2e/0xe0 [ 0.226791] ---[ end trace ee95a40f003fd24c ]--- # [ 0.226791] Freeing SMP alternatives memory: 44K [ 0.226791] smpboot: CPU0: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz (family: 0x6, model: 0x8e, stepping: 0x9) [ 0.227635] Performance Events: PEBS fmt3+, Skylake events, 32-deep LBR, full-width counters, Intel PMU driver. [ 0.227810] ... version: 4 [ 0.228169] ... bit width: 48 [ 0.228531] ... generic registers: 4 [ 0.228800] ... value mask: 0000ffffffffffff [ 0.229265] ... max period: 00007fffffffffff [ 0.229728] ... fixed-purpose events: 3 [ 0.229798] ... event mask: 000000070000000f [ 0.230896] rcu: Hierarchical SRCU implementation. [ 0.233637] smp: Bringing up secondary CPUs ... [ 0.234713] x86: Booting SMP configuration: [ 0.234827] .... node #0, CPUs: #1 [ 0.235854] 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. [ 0.236826] 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. [ 0.238618] #2 #3 [ 0.241214] smp: Brought up 1 node, 4 CPUs [ 0.241818] smpboot: Max logical packages: 1 [ 0.242199] smpboot: Total of 4 processors activated (12799.68 BogoMIPS) [ 0.245226] devtmpfs: initialized [ 0.246214] x86/mm: Memory block size: 128MB [ 0.251265] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns [ 0.251815] futex hash table entries: 1024 (order: 5, 131072 bytes, linear) [ 0.252950] pinctrl core: initialized pinctrl subsystem [ 0.253800] PM: RTC time: 07:49:12, date: 2022-11-13 [ 0.254927] NET: Registered protocol family 16 [ 0.256270] audit: initializing netlink subsys (disabled) [ 0.256851] audit: type=2000 audit(1668325751.031:1): state=initialized audit_enabled=0 res=1 [ 0.257802] thermal_sys: Registered thermal governor 'step_wise' [ 0.257812] thermal_sys: Registered thermal governor 'user_space' [ 0.258436] cpuidle: using governor menu [ 0.259239] ACPI: bus type PCI registered [ 0.260256] PCI: MMCONFIG for domain 0000 [bus 00-3f] at [mem 0xe0000000-0xe3ffffff] (base 0xe0000000) [ 0.260811] PCI: MMCONFIG at [mem 0xe0000000-0xe3ffffff] reserved in E820 [ 0.261442] PCI: Using configuration type 1 for base access [ 0.290717] Kprobes globally optimized [ 0.290962] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 0.291814] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 0.292613] cryptomgr_test (38) used greatest stack depth: 14880 bytes left [ 0.296213] ACPI: Added _OSI(Module Device) [ 0.296213] ACPI: Added _OSI(Processor Device) [ 0.296213] ACPI: Added _OSI(3.0 _SCP Extensions) [ 0.296628] ACPI: Added _OSI(Processor Aggregator Device) [ 0.297804] ACPI: Added _OSI(Linux-Dell-Video) [ 0.298200] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 0.298668] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 0.314514] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 0.324963] ACPI: EC: EC started [ 0.325278] ACPI: EC: interrupt blocked [ 0.326587] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.327806] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC used to handle transactions [ 0.328444] ACPI: Interpreter enabled [ 0.328862] ACPI: (supports S0 S3 S4 S5) [ 0.329214] ACPI: Using IOAPIC for interrupt routing [ 0.329746] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 0.351664] ACPI: Power Resource [PRIC] (on) [ 0.486568] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 0.487814] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] [ 0.488969] acpi PNP0A08:00: _OSC: OS now controls [PME PCIeCapability LTR] [ 0.489653] acpi PNP0A08:00: [Firmware Info]: MMCONFIG for domain 0000 [bus 00-3f] only partially covers this bridge [ 0.491599] PCI host bridge to bus 0000:00 [ 0.491805] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 0.492396] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 0.492801] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 0.493448] pci_bus 0000:00: root bus resource [mem 0x000c0000-0x000c3fff window] [ 0.493801] pci_bus 0000:00: root bus resource [mem 0x000c4000-0x000c7fff window] [ 0.494447] pci_bus 0000:00: root bus resource [mem 0x000c8000-0x000cbfff window] [ 0.494801] pci_bus 0000:00: root bus resource [mem 0x000cc000-0x000cffff window] [ 0.495447] pci_bus 0000:00: root bus resource [mem 0x000d0000-0x000d3fff window] [ 0.496802] pci_bus 0000:00: root bus resource [mem 0x000d4000-0x000d7fff window] [ 0.497449] pci_bus 0000:00: root bus resource [mem 0x000d8000-0x000dbfff window] [ 0.497801] pci_bus 0000:00: root bus resource [mem 0x000dc000-0x000dffff window] [ 0.498446] pci_bus 0000:00: root bus resource [mem 0x000e0000-0x000e3fff window] [ 0.498801] pci_bus 0000:00: root bus resource [mem 0x000e4000-0x000e7fff window] [ 0.499447] pci_bus 0000:00: root bus resource [mem 0x000e8000-0x000ebfff window] [ 0.500802] pci_bus 0000:00: root bus resource [mem 0x000ec000-0x000effff window] [ 0.501448] pci_bus 0000:00: root bus resource [mem 0x000f0000-0x000fffff window] [ 0.501801] pci_bus 0000:00: root bus resource [mem 0x80000001-0xdfffffff window] [ 0.502448] pci_bus 0000:00: root bus resource [mem 0x800000000-0xbffffffff window] [ 0.502804] pci_bus 0000:00: root bus resource [mem 0xfd000000-0xfe7fffff window] [ 0.503453] pci_bus 0000:00: root bus resource [mem 0xfed40000-0xfed44fff window] [ 0.504803] pci_bus 0000:00: root bus resource [bus 00-ff] [ 0.505386] pci 0000:00:00.0: [8086:590c] type 00 class 0x060000 [ 0.507072] pci 0000:00:02.0: [8086:591c] type 00 class 0x030000 [ 0.507624] pci 0000:00:02.0: reg 0x10: [mem 0xd0000000-0xd0ffffff 64bit] [ 0.507817] pci 0000:00:02.0: reg 0x18: [mem 0xc0000000-0xcfffffff 64bit pref] [ 0.508451] pci 0000:00:02.0: reg 0x20: [io 0x1c00-0x1c3f] [ 0.509628] pci 0000:00:04.0: [8086:1903] type 00 class 0x118000 [ 0.510830] pci 0000:00:04.0: reg 0x10: [mem 0xd1120000-0xd1127fff 64bit] [ 0.512419] pci 0000:00:08.0: [8086:1911] type 00 class 0x088000 [ 0.512830] pci 0000:00:08.0: reg 0x10: [mem 0xd1130000-0xd1130fff 64bit] [ 0.514256] pci 0000:00:14.0: [8086:9d2f] type 00 class 0x0c0330 [ 0.514825] pci 0000:00:14.0: reg 0x10: [mem 0xd1100000-0xd110ffff 64bit] [ 0.515576] pci 0000:00:14.0: PME# supported from D3hot D3cold [ 0.516784] pci 0000:00:14.2: [8086:9d31] type 00 class 0x118000 [ 0.516842] pci 0000:00:14.2: reg 0x10: [mem 0xd1131000-0xd1131fff 64bit] [ 0.518289] pci 0000:00:15.0: [8086:9d60] type 00 class 0x118000 [ 0.519850] pci 0000:00:15.0: reg 0x10: [mem 0xd1132000-0xd1132fff 64bit] [ 0.521466] pci 0000:00:15.1: [8086:9d61] type 00 class 0x118000 [ 0.521850] pci 0000:00:15.1: reg 0x10: [mem 0xd1133000-0xd1133fff 64bit] [ 0.523525] pci 0000:00:19.0: [8086:9d66] type 00 class 0x118000 [ 0.523850] pci 0000:00:19.0: reg 0x10: [mem 0xfe034000-0xfe034fff 64bit] [ 0.524470] pci 0000:00:19.0: reg 0x18: [mem 0xd1135000-0xd1135fff 64bit] [ 0.525819] pci 0000:00:19.1: [8086:9d65] type 00 class 0x118000 [ 0.526389] pci 0000:00:19.1: reg 0x10: [mem 0xd1136000-0xd1136fff 64bit] [ 0.527884] pci 0000:00:1c.0: [8086:9d10] type 01 class 0x060400 [ 0.528628] pci 0000:00:1c.0: PME# supported from D0 D3hot D3cold [ 0.530791] pci 0000:00:1e.0: [8086:9d27] type 00 class 0x118000 [ 0.530856] pci 0000:00:1e.0: reg 0x10: [mem 0xd1137000-0xd1137fff 64bit] [ 0.532478] pci 0000:00:1e.2: [8086:9d29] type 00 class 0x118000 [ 0.532850] pci 0000:00:1e.2: reg 0x10: [mem 0xd1138000-0xd1138fff 64bit] [ 0.534464] pci 0000:00:1e.4: [8086:9d2b] type 00 class 0x080501 [ 0.535845] pci 0000:00:1e.4: reg 0x10: [mem 0xd1139000-0xd1139fff 64bit] [ 0.537605] pci 0000:00:1e.6: [8086:9d2d] type 00 class 0x080501 [ 0.537843] pci 0000:00:1e.6: reg 0x10: [mem 0xd113a000-0xd113afff 64bit] [ 0.539442] pci 0000:00:1f.0: [8086:9d4b] type 00 class 0x060100 [ 0.540791] pci 0000:00:1f.2: [8086:9d21] type 00 class 0x058000 [ 0.541837] pci 0000:00:1f.2: reg 0x10: [mem 0xd1128000-0xd112bfff] [ 0.543355] pci 0000:00:1f.3: [8086:9d71] type 00 class 0x040100 [ 0.543848] pci 0000:00:1f.3: reg 0x10: [mem 0xd112c000-0xd112ffff 64bit] [ 0.544492] pci 0000:00:1f.3: reg 0x20: [mem 0xd1110000-0xd111ffff 64bit] [ 0.544922] pci 0000:00:1f.3: PME# supported from D3hot D3cold [ 0.546417] pci 0000:00:1f.4: [8086:9d23] type 00 class 0x0c0500 [ 0.546867] pci 0000:00:1f.4: reg 0x10: [mem 0xd113c000-0xd113c0ff 64bit] [ 0.547532] pci 0000:00:1f.4: reg 0x20: [io 0xefa0-0xefbf] [ 0.548738] pci 0000:00:1f.5: [8086:9d24] type 00 class 0x000000 [ 0.549837] pci 0000:00:1f.5: reg 0x10: [mem 0xfe010000-0xfe010fff] [ 0.552020] pci 0000:01:00.0: [8086:095a] type 00 class 0x028000 [ 0.553397] pci 0000:01:00.0: reg 0x10: [mem 0xd1000000-0xd1001fff 64bit] [ 0.557202] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold [ 0.560141] pci 0000:00:1c.0: PCI bridge to [bus 01] [ 0.560595] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] [ 0.563478] ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.564164] ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 *10 12 14 15) [ 0.565131] ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.566123] ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.567110] ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.568127] ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.569169] ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.570178] ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.577980] ACPI: EC: interrupt unblocked [ 0.578350] ACPI: EC: event unblocked [ 0.578695] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.578801] ACPI: EC: GPE=0x6e [ 0.579084] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC initialization complete [ 0.579696] ACPI: \_SB_.PCI0.LPCB.EC0_: EC: Used to handle transactions and events [ 0.581857] iommu: Default domain type: Translated [ 0.582874] pci 0000:00:02.0: vgaarb: setting as boot VGA device [ 0.583420] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 0.583823] pci 0000:00:02.0: vgaarb: bridge control possible [ 0.584325] vgaarb: loaded [ 0.585207] SCSI subsystem initialized [ 0.585946] ACPI: bus type USB registered [ 0.586448] usbcore: registered new interface driver usbfs [ 0.586875] usbcore: registered new interface driver hub [ 0.587384] usbcore: registered new device driver usb [ 0.587949] pps_core: LinuxPPS API ver. 1 registered [ 0.588386] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 0.588812] PTP clock support registered [ 0.589825] Advanced Linux Sound Architecture Driver Initialized. [ 0.591516] NetLabel: Initializing [ 0.591801] NetLabel: domain hash size = 128 [ 0.592187] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 0.592764] NetLabel: unlabeled traffic allowed by default [ 0.592946] PCI: Using ACPI for IRQ routing [ 0.601232] clocksource: Switched to clocksource tsc-early [ 1.098190] VFS: Disk quotas dquot_6.6.0 [ 1.098601] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 1.099694] pnp: PnP ACPI init [ 1.101014] system 00:00: [mem 0xfed10000-0xfed17fff] has been reserved [ 1.101595] system 00:00: [mem 0xfed18000-0xfed18fff] has been reserved [ 1.102198] system 00:00: [mem 0xfed19000-0xfed19fff] has been reserved [ 1.102778] system 00:00: [mem 0xe0000000-0xe3ffffff] has been reserved [ 1.103377] system 00:00: [mem 0xfed20000-0xfed3ffff] has been reserved [ 1.103977] system 00:00: [mem 0xfed90000-0xfed93fff] could not be reserved [ 1.104584] system 00:00: [mem 0xfed45000-0xfed8ffff] could not be reserved [ 1.105211] system 00:00: [mem 0xff000000-0xffffffff] has been reserved [ 1.105790] system 00:00: [mem 0xfee00000-0xfeefffff] has been reserved [ 1.106386] system 00:00: [mem 0xfed00000-0xfed003ff] has been reserved [ 1.108140] system 00:01: [io 0x1800-0x18fe] has been reserved [ 1.109165] system 00:03: [io 0x0900-0x09fe] has been reserved [ 1.110022] system 00:04: [io 0x0200] has been reserved [ 1.110493] system 00:04: [io 0x0204] has been reserved [ 1.110985] system 00:04: [io 0x0800-0x087f] has been reserved [ 1.111507] system 00:04: [io 0x0880-0x08ff] has been reserved [ 1.115307] pnp: PnP ACPI: found 6 devices [ 1.131967] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 1.132893] NET: Registered protocol family 2 [ 1.133454] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear) [ 1.135985] tcp_listen_portaddr_hash hash table entries: 2048 (order: 5, 163840 bytes, linear) [ 1.137007] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear) [ 1.137991] TCP bind hash table entries: 32768 (order: 9, 2359296 bytes, linear) [ 1.140704] TCP: Hash tables configured (established 32768 bind 32768) [ 1.141657] MPTCP token hash table entries: 4096 (order: 6, 360448 bytes, linear) [ 1.142642] UDP hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 1.143547] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 1.144622] NET: Registered protocol family 1 [ 1.145844] RPC: Registered named UNIX socket transport module. [ 1.146388] RPC: Registered udp transport module. [ 1.146824] RPC: Registered tcp transport module. [ 1.147241] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 1.148469] NET: Registered protocol family 44 [ 1.148909] pci 0000:00:1c.0: PCI bridge to [bus 01] [ 1.149363] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] [ 1.149988] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 1.150526] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 1.151145] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 1.151741] pci_bus 0000:00: resource 7 [mem 0x000c0000-0x000c3fff window] [ 1.152353] pci_bus 0000:00: resource 8 [mem 0x000c4000-0x000c7fff window] [ 1.152967] pci_bus 0000:00: resource 9 [mem 0x000c8000-0x000cbfff window] [ 1.153566] pci_bus 0000:00: resource 10 [mem 0x000cc000-0x000cffff window] [ 1.154183] pci_bus 0000:00: resource 11 [mem 0x000d0000-0x000d3fff window] [ 1.154789] pci_bus 0000:00: resource 12 [mem 0x000d4000-0x000d7fff window] [ 1.155406] pci_bus 0000:00: resource 13 [mem 0x000d8000-0x000dbfff window] [ 1.156074] pci_bus 0000:00: resource 14 [mem 0x000dc000-0x000dffff window] [ 1.156676] pci_bus 0000:00: resource 15 [mem 0x000e0000-0x000e3fff window] [ 1.157297] pci_bus 0000:00: resource 16 [mem 0x000e4000-0x000e7fff window] [ 1.157918] pci_bus 0000:00: resource 17 [mem 0x000e8000-0x000ebfff window] [ 1.158523] pci_bus 0000:00: resource 18 [mem 0x000ec000-0x000effff window] [ 1.159142] pci_bus 0000:00: resource 19 [mem 0x000f0000-0x000fffff window] [ 1.159747] pci_bus 0000:00: resource 20 [mem 0x80000001-0xdfffffff window] [ 1.160365] pci_bus 0000:00: resource 21 [mem 0x800000000-0xbffffffff window] [ 1.161001] pci_bus 0000:00: resource 22 [mem 0xfd000000-0xfe7fffff window] [ 1.161605] pci_bus 0000:00: resource 23 [mem 0xfed40000-0xfed44fff window] [ 1.162223] pci_bus 0000:01: resource 1 [mem 0xd1000000-0xd10fffff] [ 1.163380] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 1.166536] PCI: CLS 64 bytes, default 64 [ 1.167382] Unpacking initramfs... [ 1.500967] Freeing initrd memory: 8224K [ 1.501398] DMAR: Host address width 39 [ 1.501773] DMAR: DRHD base: 0x000000fed90000 flags: 0x0 [ 1.502331] DMAR: dmar0: reg_base_addr fed90000 ver 1:0 cap 1c0000c40660462 ecap 19e2ff0505e [ 1.503074] DMAR: RMRR base: 0x0000007b800000 end: 0x0000007fffffff [ 1.503623] DMAR: DRHD base: 0x000000fed91000 flags: 0x1 [ 1.504125] DMAR: dmar1: reg_base_addr fed91000 ver 1:0 cap d2008c40660462 ecap f050da [ 1.504932] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 1.505495] software IO TLB: mapped [mem 0x0000000076998000-0x000000007a998000] (64MB) [ 1.506438] RAPL PMU: API unit is 2^-32 Joules, 5 fixed counters, 655360 ms ovfl timer [ 1.507158] RAPL PMU: hw unit of domain pp0-core 2^-14 Joules [ 1.507659] RAPL PMU: hw unit of domain package 2^-14 Joules [ 1.508204] RAPL PMU: hw unit of domain dram 2^-14 Joules [ 1.508677] RAPL PMU: hw unit of domain pp1-gpu 2^-14 Joules [ 1.509184] RAPL PMU: hw unit of domain psys 2^-14 Joules [ 1.511739] kvm: already loaded the other module [ 1.519549] check: Scanning for low memory corruption every 60 seconds [ 1.523937] Initialise system trusted keyrings [ 1.524623] workingset: timestamp_bits=56 max_order=20 bucket_order=0 [ 1.549832] NFS: Registering the id_resolver key type [ 1.550317] Key type id_resolver registered [ 1.550718] Key type id_legacy registered [ 1.572021] Key type asymmetric registered [ 1.572417] Asymmetric key parser 'x509' registered [ 1.572931] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249) [ 1.573590] io scheduler mq-deadline registered [ 1.574007] io scheduler kyber registered [ 1.574620] test_firmware: interface ready [ 1.576926] pcieport 0000:00:1c.0: PME: Signaling with IRQ 120 [ 1.578998] ACPI: AC Adapter [AC] (on-line) [ 1.579847] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/PNP0C0D:00/input/input0 [ 1.581670] ACPI: Lid Switch [LID0] [ 1.582321] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input1 [ 1.583273] ACPI: Power Button [PWRF] [ 1.584029] ACPI: \_PR_.CP00: Found 3 idle states [ 1.585428] ACPI: \_PR_.CP01: Found 3 idle states [ 1.586602] ACPI: \_PR_.CP02: Found 3 idle states [ 1.587745] ACPI: \_PR_.CP03: Found 3 idle states [ 1.589468] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 1.593454] hpet_acpi_add: no address or irqs in _CRS [ 1.594235] Non-volatile memory driver v1.3 [ 1.594891] Linux agpgart interface v0.103 [ 1.595087] battery: ACPI: Battery Slot [BAT0] (battery present) [ 1.598788] i915 0000:00:02.0: vgaarb: deactivate vga console [ 1.653618] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem [ 1.655122] i915 0000:00:02.0: Direct firmware load for i915/kbl_dmc_ver1_04.bin failed with error -2 [ 1.656330] i915 0000:00:02.0: [drm] Failed to load DMC firmware i915/kbl_dmc_ver1_04.bin. Disabling runtime power management. [ 1.657375] i915 0000:00:02.0: [drm] DMC firmware homepage: https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/tree/i915 [ 1.693750] [drm] Initialized i915 1.6.0 20200917 for 0000:00:02.0 on minor 0 [ 1.698447] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 1 [ 1.722616] loop: module loaded [ 1.724012] lkdtm: No crash points registered, enable through debugfs [ 1.754726] printk: console [ttyS0] disabled [ 1.756134] dw-apb-uart.2: ttyS0 at MMIO 0xfe034000 (irq = 32, base_baud = 115200) is a 16550A [ 2.561035] tsc: Refined TSC clocksource calibration: 1607.999 MHz [ 2.568945] printk: console [ttyS0] enabled [ 2.577397] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x172da94f0e2, max_idle_ns: 440795278248 ns [ 2.600691] dw-apb-uart.4: ttyS1 at MMIO 0xd1137000 (irq = 20, base_baud = 115200) is a 16550A [ 5.200155] fbcon: i915drmfb (fb0) is primary device [ 5.202276] clocksource: Switched to clocksource tsc [ 5.202904] pxa2xx-spi pxa2xx-spi.5: no DMA channels available, using PIO [ 5.213648] e100: Intel(R) PRO/100 Network Driver [ 5.213653] e100: Copyright(c) 1999-2006 Intel Corporation [ 5.213843] e1000: Intel(R) PRO/1000 Network Driver [ 5.213848] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 5.213975] e1000e: Intel(R) PRO/1000 Network Driver [ 5.213978] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 5.214089] sky2: driver version 1.30 [ 5.214574] usbcore: registered new interface driver r8152 [ 5.215034] tpm_tis_spi spi-PRP0001:00: TPM ready IRQ confirmed on attempt 2 [ 5.215230] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 5.215261] ehci-pci: EHCI PCI platform driver [ 5.215363] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 5.215394] ohci-pci: OHCI PCI platform driver [ 5.215505] uhci_hcd: USB Universal Host Controller Interface driver [ 5.217599] xhci_hcd 0000:00:14.0: xHCI Host Controller [ 5.219332] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 1 [ 5.221189] xhci_hcd 0000:00:14.0: hcc params 0x200077c1 hci version 0x100 quirks 0x0000000081109810 [ 5.221285] xhci_hcd 0000:00:14.0: cache line size of 64 is not supported [ 5.225235] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10 [ 5.225263] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 5.225285] usb usb1: Product: xHCI Host Controller [ 5.225290] usb usb1: Manufacturer: Linux 5.10.154-cip20 xhci-hcd [ 5.225294] usb usb1: SerialNumber: 0000:00:14.0 [ 5.228134] hub 1-0:1.0: USB hub found [ 5.228421] hub 1-0:1.0: 12 ports detected [ 5.235411] xhci_hcd 0000:00:14.0: xHCI Host Controller [ 5.236265] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 2 [ 5.236285] xhci_hcd 0000:00:14.0: Host supports USB 3.0 SuperSpeed [ 5.237060] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.10 [ 5.237074] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 5.237080] usb usb2: Product: xHCI Host Controller [ 5.237085] usb usb2: Manufacturer: Linux 5.10.154-cip20 xhci-hcd [ 5.237103] usb usb2: SerialNumber: 0000:00:14.0 [ 5.239437] hub 2-0:1.0: USB hub found [ 5.239580] hub 2-0:1.0: 6 ports detected [ 5.241269] tpm_tis_spi spi-PRP0001:00: 2.0 TPM (device-id 0x28, rev-id 0) [ 5.242820] usbcore: registered new interface driver usblp [ 5.242934] usbcore: registered new interface driver usb-storage [ 5.243591] udc-core: couldn't find an available UDC - added [g_ether] to list of pending drivers [ 5.243771] i8042: PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1 [ 5.243775] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp [ 5.244615] i8042: Warning: Keylock active [ 5.244915] serio: i8042 KBD port at 0x60,0x64 irq 1 [ 5.245634] Console: switching to colour frame buffer device 240x67 [ 5.247671] rtc_cmos 00:02: RTC can wake from S4 [ 5.250295] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input2 [ 5.252528] rtc_cmos 00:02: registered as rtc0 [ 5.252891] rtc_cmos 00:02: alarms up to one month, 242 bytes nvram [ 5.254487] i801_smbus 0000:00:1f.4: SPD Write Disable is set [ 5.254541] i801_smbus 0000:00:1f.4: SMBus using PCI interrupt [ 5.256013] i2c i2c-9: 2/2 memory slots populated (from DMI) [ 5.258119] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com [ 5.258165] intel_pstate: Intel P-state driver initializing [ 5.259099] intel_pstate: HWP enabled [ 5.259136] sdhci: Secure Digital Host Controller Interface driver [ 5.259138] sdhci: Copyright(c) Pierre Ossman [ 5.259172] sdhci-pci 0000:00:1e.4: SDHCI controller found [8086:9d2b] (rev 21) [ 5.260302] mmc0: SDHCI controller on PCI [0000:00:1e.4] using ADMA 64-bit [ 5.260488] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.261945] hid: raw HID events driver (C) Jiri Kosina [ 5.267408] i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device [ 5.347726] 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 [ 5.354229] usbcore: registered new interface driver usbhid [ 5.559533] mmc0: new HS400 MMC card at address 0001 [ 5.560182] usbhid: USB HID core driver [ 5.560659] input: Tablet Mode Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/GOOG0006:00/input/input3 [ 5.565863] usb 2-3: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 5.566477] mmcblk0: mmc0:0001 DA4064 58.2 GiB [ 5.566605] mmcblk0boot0: mmc0:0001 DA4064 partition 1 4.00 MiB [ 5.566723] mmcblk0boot1: mmc0:0001 DA4064 partition 2 4.00 MiB [ 5.566933] mmcblk0rpmb: mmc0:0001 DA4064 partition 3 16.0 MiB, chardev (246:0) [ 5.577702] cros_ec_lpcs GOOG0004:00: Chrome EC device registered [ 5.580854] mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12 [ 5.588750] snd_hda_intel 0000:00:1f.3: DSP detected with PCI class/subclass/prog-if info 0x040100 [ 5.675155] usb 2-3: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=31.00 [ 5.681736] netem: version 1.3 [ 5.688327] usb 2-3: New USB device strings: Mfr=1, Product=2, SerialNumber=6 [ 5.688329] usb 2-3: Product: USB 10/100/1000 LAN [ 5.688331] usb 2-3: Manufacturer: Realtek [ 5.688333] usb 2-3: SerialNumber: 001000001 [ 5.742848] usb 1-3: new full-speed USB device number 2 using xhci_hcd [ 5.743737] ipip: IPv4 and MPLS over IPv4 tunneling driver [ 5.837369] snd_hda_intel 0000:00:1f.3: bound 0000:00:02.0 (ops i915_audio_component_bind_ops) [ 5.837608] gre: GRE over IPv4 demultiplexor driver [ 5.852549] ip_gre: GRE over IPv4 tunneling driver [ 5.858663] IPv4 over IPsec tunneling driver [ 5.861267] snd_hda_intel 0000:00:1f.3: Cannot probe codecs, giving up [ 5.863756] Initializing XFRM netlink socket [ 5.876187] NET: Registered protocol family 10 [ 5.882067] Segment Routing with IPv6 [ 5.887083] ip6_gre: GRE over IPv6 tunneling driver [ 5.892881] NET: Registered protocol family 17 [ 5.898154] 8021q: 802.1Q VLAN Support v1.8 [ 5.902924] Key type dns_resolver registered [ 5.908541] usb 1-3: New USB device found, idVendor=8087, idProduct=0a2a, bcdDevice= 0.03 [ 5.908673] microcode: sig=0x806e9, pf=0x10, revision=0x98 [ 5.917706] usb 1-3: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 5.931853] microcode: Microcode Update Driver: v2.2. [ 5.931860] IPI shorthand broadcast: enabled [ 5.942375] sched_clock: Marking stable (5855406486, 86911172)->(6037801960, -95484302) [ 5.951632] registered taskstats version 1 [ 5.956268] Loading compiled-in X.509 certificates [ 5.964082] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.973774] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.983158] PM: Magic number: 14:535:824 [ 5.987954] printk: console [netcon0] enabled [ 5.992831] netconsole: network logging started [ 6.013064] usb 2-3: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 6.064380] r8152 2-3:1.0: load rtl8153b-2 v1 10/23/19 successfully [ 6.105042] r8152 2-3:1.0 eth0: v1.11.11 [ 6.110174] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.110914] IP-Config: Failed to open gretap0 [ 6.123318] IP-Config: Failed to open erspan0 [ 6.145953] Sending DHCP requests . [ 6.147967] usb 1-9: new high-speed USB device number 3 using xhci_hcd [ 6.315550] usb 1-9: New USB device found, idVendor=13d3, idProduct=56d4, bcdDevice=18.07 [ 6.324751] usb 1-9: New USB device strings: Mfr=3, Product=1, SerialNumber=2 [ 6.332761] usb 1-9: Product: USB2.0 HD UVC WebCam [ 6.338144] usb 1-9: Manufacturer: Azurewave [ 6.342942] usb 1-9: SerialNumber: 0x0001 [ 6.352377] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 7.723093] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready [ 7.730988] r8152 2-3:1.0 eth0: carrier on [ 8.850962] ., OK [ 8.859187] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.18 [ 8.868184] IP-Config: Complete: [ 8.871832] device=eth0, hwaddr=00:e0:4c:68:0a:98, ipaddr=192.168.201.18, mask=255.255.255.0, gw=192.168.201.1 [ 8.883528] host=asus-C433TA-AJ0005-rammus-cbg-2, domain=lava-rack, nis-domain=(none) [ 8.892787] bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath= [ 8.892791] nameserver0=192.168.201.1 [ 8.905643] cfg80211: Loading compiled-in X.509 certificates for regulatory database [ 8.917109] modprobe (99) used greatest stack depth: 14120 bytes left [ 8.920298] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' [ 8.931901] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 [ 8.932940] ALSA device list: [ 8.941595] cfg80211: failed to load regulatory.db [ 8.944886] No soundcards found. [ 8.954475] dw-apb-uart dw-apb-uart.2: forbid DMA for kernel console [ 8.964665] Freeing unused kernel image (initmem) memory: 2040K [ 8.981082] Write protecting the kernel read-only data: 28672k [ 8.988784] Freeing unused kernel image (text/rodata gap) memory: 2028K [ 8.996722] Freeing unused kernel image (rodata/data gap) memory: 1380K [ 9.004271] Run /init as init process [ 9.013318] cat (109) used greatest stack depth: 14016 bytes left Loading, please wait... Starting version 247.3-7+deb11u1 [ 9.032809] systemd-udevd (121) used greatest stack depth: 13800 bytes left [ 9.087173] udevadm (123) used greatest stack depth: 13736 bytes left [ 9.241731] cros-usbpd-notify-acpi GOOG0003:00: Couldn't get Chrome EC device pointer. [ 9.250815] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.266706] udevadm (134) used greatest stack depth: 13264 bytes left [ 9.288079] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.348739] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.361212] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.371550] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.386917] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.396846] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) Begin: Loading essential drivers ... done. Begin: Running /scripts/init-premount ... done. Begin: Mounting root file system ... Begin: Running /scripts/nfs-top ... done. Begin: Running /scripts/nfs-premount ... done. IP-Config: eth0 hardware address 00:e0:4c:68:0a:98 mtu 1500 DHCP IP-Config: gretap0 hardware address 00:00:00:00:00:00 mtu 1462 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: erspan0 hardware address 00:00:00:00:00:00 mtu 1450 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: eth0 complete (dhcp from 192.168.201.1): address: 192.168.201.18 broadcast: 192.168.201.255 netmask: 255.255.255.0 gateway: 192.168.201.1 dns0 : 192.168.201.1 dns1 : 0.0.0.0 host : asus-C433TA-AJ0005-rammus-cbg-2 domain : lava-rack rootserver: 192.168.201.1 rootpath: filename : [ 9.531627] nfsmount (158) 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 [ 10.728947] 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) [ 10.768160] systemd[1]: Detected architecture x86-64. Welcome to Debian GNU/Linux 11 (bullseye)! [ 10.796265] systemd[1]: Set hostname to . [ 11.336690] systemd[1]: Queued start job for default target Graphical Interface. [ 11.348024] systemd[1]: Created slice system-getty.slice. [ OK ] Created slice system-getty.slice. [ 11.363471] systemd[1]: Created slice system-modprobe.slice. [ OK ] Created slice system-modprobe.slice. [ 11.379479] systemd[1]: Created slice system-serial\x2dgetty.slice. [ OK ] Created slice system-serial\x2dgetty.slice. [ 11.396423] systemd[1]: Created slice User and Session Slice. [ OK ] Created slice User and Session Slice. [ 11.412363] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [ OK ] Started Dispatch Password …ts to Console Directory Watch. [ 11.431884] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [ OK ] Started Forward Password R…uests to Wall Directory Watch. [ 11.455472] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point. [ OK ] Set up automount Arbitrary…s File System Automount Point. [ 11.476409] systemd[1]: Reached target Local Encrypted Volumes. [ OK ] Reached target Local Encrypted Volumes. [ 11.493432] systemd[1]: Reached target Paths. [ OK ] Reached target Paths. [ 11.507306] systemd[1]: Reached target Remote File Systems. [ OK ] Reached target Remote File Systems. [ 11.523294] systemd[1]: Reached target Slices. [ OK ] Reached target Slices. [ 11.537328] systemd[1]: Reached target Swap. [ OK ] Reached target Swap. [ 11.549056] systemd[1]: Listening on initctl Compatibility Named Pipe. [ OK ] Listening on initctl Compatibility Named Pipe. [ 11.568332] systemd[1]: Listening on Journal Audit Socket. [ OK ] Listening on Journal Audit Socket. [ 11.586470] systemd[1]: Listening on Journal Socket (/dev/log). [ OK ] Listening on Journal Socket (/dev/log). [ 11.604554] systemd[1]: Listening on Journal Socket. [ OK ] Listening on Journal Socket. [ 11.621184] systemd[1]: Listening on Network Service Netlink Socket. [ OK ] Listening on Network Service Netlink Socket. [ 11.641580] systemd[1]: Listening on udev Control Socket. [ OK ] Listening on udev Control Socket. [ 11.658439] systemd[1]: Listening on udev Kernel Socket. [ OK ] Listening on udev Kernel Socket. [ 11.676684] systemd[1]: Mounting Huge Pages File System... Mounting Huge Pages File System... [ 11.691289] systemd[1]: Mounting POSIX Message Queue File System... Mounting POSIX Message Queue File System... [ 11.709570] systemd[1]: Mounting Kernel Debug File System... Mounting Kernel Debug File System... [ 11.727480] systemd[1]: Mounting Kernel Trace File System... Mounting Kernel Trace File System... [ 11.754836] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting Create list of st…odes for the current kernel... [ 11.775668] systemd[1]: Starting Load Kernel Module configfs... Starting Load Kernel Module configfs... [ 11.792852] systemd[1]: Starting Load Kernel Module drm... Starting Load Kernel Module drm... [ 11.806734] systemd[1]: Starting Load Kernel Module fuse... Starting Load Kernel Module fuse... [ 11.843825] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. [ 11.854294] fuse: init (API version 7.32) [ 11.860428] systemd[1]: Starting Journal Service... Starting Journal Service... [ 11.876244] systemd[1]: Starting Load Kernel Modules... Starting Load Kernel Modules... [ 11.889711] systemd[1]: Starting Remount Root and Kernel File Systems... Starting Remount Root and Kernel File Systems... [ 11.908619] systemd[1]: Starting Coldplug All udev Devices... Starting Coldplug All udev Devices... [ 11.927790] systemd[1]: Mounted Huge Pages File System. [ OK ] Mounted Huge Pages File System. [ 11.944287] systemd[1]: Mounted POSIX Message Queue File System. [ OK ] Mounted POSIX Message Queue File System. [ 11.961095] systemd[1]: Mounted Kernel Debug File System. [ OK ] Mounted Kernel Debug File System. [ 11.977077] systemd[1]: Mounted Kernel Trace File System. [ OK ] Mounted Kernel Trace File System. [ 11.994167] systemd[1]: Finished Create list of static device nodes for the current kernel. [ OK ] Finished Create list of st… nodes for the current kernel. [ 12.013845] systemd[1]: modprobe@configfs.service: Succeeded. [ 12.021129] systemd[1]: Finished Load Kernel Module configfs. [ OK ] Finished Load Kernel Module configfs. [ 12.037991] systemd[1]: modprobe@drm.service: Succeeded. [ 12.044730] systemd[1]: Finished Load Kernel Module drm. [ OK ] Finished Load Kernel Module drm. [ 12.060962] systemd[1]: modprobe@fuse.service: Succeeded. [ 12.067809] systemd[1]: Finished Load Kernel Module fuse. [ OK ] Finished Load Kernel Module fuse. [ 12.084772] systemd[1]: Finished Load Kernel Modules. [ OK ] Finished Load Kernel Modules. [ 12.098672] 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... [ 12.191328] systemd-journald[194]: 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. [ 13.703173] systemd-tmpfile (205) used greatest stack depth: 12528 bytes left [ OK ] Finished Create Static Device Nodes in /dev. [ OK ] Reached target Local File Systems (Pre). [ OK ] Reached target Local File Systems. Starting Create Volatile Files and Directories... Starting Rule-based Manage…for Device Events and Files... [ OK ] Started Rule-based Manager for Device Events and Files. Starting Network Service... [ OK ] Finished Create Volatile Files and Directories. Starting Network Time Synchronization... Starting Update UTMP about System Boot/Shutdown... [ OK ] Finished Update UTMP about System Boot/Shutdown. [ OK ] Found device Sunrise Point-LP Serial IO UART Controller. [ OK ] Created slice system-systemd\x2dbacklight.slice. Starting Load/Save Screen …f backlight:intel_backlight... [ OK ] Listening on Load/Save RF …itch Status /dev/rfkill Watch. [ OK ] Finished Load/Save Screen … of backlight:intel_backlight. [ OK ] Started Network Time Synchronization. [ OK ] Reached target System Initialization. [ OK ] Started Daily Cleanup of Temporary Directories. [ OK ] Reached target System Time Set. [ OK ] Reached target System Time Synchronized. [ OK ] Started Daily apt download activities. [ OK ] Started Daily apt upgrade and clean activities. [ OK ] Started Periodic ext4 Onli…ata Check for All Filesystems. [ OK ] Started Discard unused blocks once a week. [ OK ] Reached target Timers. [ OK ] Listening on D-Bus System Message Bus Socket. [ OK ] Reached target Sockets. [ OK ] Reached target Basic System. [ OK ] Started D-Bus System Message Bus. Starting Remove Stale Onli…t4 Metadata Check Snapshots... Starting User Login Management... [ OK ] Started Network Service. Starting Network Name Resolution... [ OK ] Started User Login Management. [ OK ] Finished Remove Stale Onli…ext4 Metadata Check Snapshots. [ OK ] Started Network Name Resolution. [ OK ] Reached target Network. [ OK ] Reached target Host and Network Name Lookups. Starting Permit User Sessions... [ OK ] 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 5.10.154-cip20 #1 SMP Sun Nov 13 07:38:33 UTC 2022 x86_64 The programs included with the Debian GNU/Linux system are free software; the exact distribution terms for each program are described in the individual files in /usr/share/doc/*/copyright. Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent permitted by applicable law. / # / # export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/7961788/extract-nfsrootfs-v5tisvqa' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/7961788/extract-nfsrootfs-v5tisvqa' / # 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-7961788/environment . /lava-7961788/environment / # /lava-7961788/bin/lava-test-runner /lava-7961788/0 /lava-7961788/bin/lava-test-runner /lava-7961788/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-7961788/0/tests/0_timesync-off ++ cat uuid + UUID=7961788_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-7961788/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=7961788_1.5.2.3.5 + set +x + cd ./automated/linux/kselftest/ + ./kselftest.sh -c lkdtm -T '' -t kselftest_armhf.tar.gz -s false -u http://storage.kernelci.org/cip/linux-5.10.y-cip/v5.10.154-cip20/x86_64/x86_64_defconfig+x86-chromebook+kselftest/gcc-10/kselftest.tar.xz -L '' -S skipfile-lkft.yaml -b asus-C433TA-AJ0005-rammus -g cip -e '' -p /opt/kselftests/mainline/ INFO: Generating a skipfile based on /lava-7961788/0/tests/1_kselftest-lkdtm/automated/linux/kselftest/skipfile-lkft.yaml INFO: Using the following generated skipfile contents (until EOF): breakpoints:breakpoint_test breakpoints:step_after_suspend_test ftrace:ftracetest net:rtnetlink.sh net:tls netfilter:bridge_brouter.sh netfilter:nft_flowtable.sh netfilter:nft_trans_stress.sh pidfd:pidfd_wait INFO: EOF INFO: Installing sed perl wget xz-utils iproute2 Hit:1 http://deb.debian.org/debian bullseye InRelease Reading package lists... Reading package lists... Building dependency tree... Reading state information... iproute2 is already the newest version (5.10.0-4). perl is already the newest version (5.32.1-4+deb11u2). sed is already the newest version (4.7-1). wget is already the newest version (1.21-1+deb11u1). xz-utils is already the newest version (5.2.5-2.1~deb11u1). 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. --2022-11-13 07:49:48-- http://storage.kernelci.org/cip/linux-5.10.y-cip/v5.10.154-cip20/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: 3539188 (3.4M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 1%[ ] 50.15K 174KB/s kselftest.tar.xz 6%[> ] 217.50K 376KB/s kselftest.tar.xz 21%[===> ] 742.11K 812KB/s kselftest.tar.xz 57%[==========> ] 1.94M 1.67MB/s kselftest.tar.xz 84%[===============> ] 2.87M 2.10MB/s kselftest.tar.xz 100%[===================>] 3.38M 2.24MB/s in 1.5s 2022-11-13 07:49:50 (2.24 MB/s) - 'kselftest.tar.xz' saved [3539188/3539188] skiplist: ======================================== breakpoints:breakpoint_test breakpoints:step_after_suspend_test ftrace:ftracetest net:rtnetlink.sh net:tls netfilter:bridge_brouter.sh netfilter:nft_flowtable.sh netfilter:nft_trans_stress.sh pidfd:pidfd_wait ======================================== [ 47.857072] kselftest: Running tests in lkdtm TAP version 13 1..70 # selftests: lkdtm: PANIC.sh # Skipping PANIC: crashes entire system ok 1 selftests: lkdtm: PANIC.sh # SKIP # selftests: lkdtm: BUG.sh [ 48.018960] lkdtm: Performing direct entry BUG [ 48.024014] ------------[ cut here ]------------ [ 48.029194] kernel BUG at drivers/misc/lkdtm/bugs.c:76! [ 48.035061] invalid opcode: 0000 [#1] SMP PTI [ 48.039931] CPU: 3 PID: 726 Comm: cat Tainted: G W 5.10.154-cip20 #1 [ 48.048480] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 48.055287] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 48.059668] Code: 89 ff e8 6e a3 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 06 94 02 [ 48.080644] RSP: 0018:ffffb303c154fe60 EFLAGS: 00010282 [ 48.086471] RAX: ffffffff8ccdff70 RBX: 0000000000000001 RCX: 0000000000000000 [ 48.094431] RDX: 0000000000000000 RSI: ffff9e75bad9bf70 RDI: ffffffff8d99bd90 [ 48.102402] RBP: ffffffff8dde7408 R08: 0000000000000001 R09: 0000000000000001 [ 48.110371] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 48.118334] R13: ffffb303c154ff10 R14: ffffb303c154ff10 R15: ffff9e754267b000 [ 48.126305] FS: 00007f2e17f48580(0000) GS:ffff9e75bad80000(0000) knlGS:0000000000000000 [ 48.135334] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.141750] CR2: 00007f2e17d51000 CR3: 00000001032c2005 CR4: 00000000003706e0 [ 48.149718] Call Trace: [ 48.152446] direct_entry.cold+0x2c/0x38 [ 48.156829] full_proxy_write+0x53/0x80 [ 48.161118] vfs_write+0xe7/0x3a0 [ 48.164828] ksys_write+0x68/0xf0 [ 48.168526] do_syscall_64+0x30/0x40 [ 48.172515] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 48.178148] RIP: 0033:0x7f2e17e5e8f3 [ 48.182136] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 48.203119] RSP: 002b:00007ffd9fb0e058 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 48.211576] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f2e17e5e8f3 [ 48.219536] RDX: 0000000000000004 RSI: 00007f2e17d51000 RDI: 0000000000000001 [ 48.227507] RBP: 00007f2e17d51000 R08: 00007f2e17d50010 R09: 0000000000000000 [ 48.235477] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 48.243448] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 48.251423] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 48.277912] ---[ end trace ee95a40f003fd24e ]--- [ 48.283081] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 48.287463] Code: 89 ff e8 6e a3 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 06 94 02 [ 48.308458] RSP: 0018:ffffb303c154fe60 EFLAGS: 00010282 [ 48.314302] RAX: ffffffff8ccdff70 RBX: 0000000000000001 RCX: 0000000000000000 [ 48.322303] RDX: 0000000000000000 RSI: ffff9e75bad9bf70 RDI: ffffffff8d99bd90 [ 48.330306] RBP: ffffffff8dde7408 R08: 0000000000000001 R09: 0000000000000001 [ 48.338309] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 48.346313] R13: ffffb303c154ff10 R14: ffffb303c154ff10 R15: ffff9e754267b000 [ 48.354317] FS: 00007f2e17f48580(0000) GS:ffff9e75bad80000(0000) knlGS:0000000000000000 [ 48.363387] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.369836] CR2: 00007f2e17d51000 CR3: 00000001032c2005 CR4: 00000000003706e0 # Segmentation fault # [ 48.018960] lkdtm: Performing direct entry BUG # [ 48.024014] ------------[ cut here ]------------ # [ 48.029194] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 48.035061] invalid opcode: 0000 [#1] SMP PTI # [ 48.039931] CPU: 3 PID: 726 Comm: cat Tainted: G W 5.10.154-cip20 #1 # [ 48.048480] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 48.055287] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 48.059668] Code: 89 ff e8 6e a3 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 06 94 02 [ 48.451690] lkdtm: Performing direct entry WARNING # [ 48.080644] RSP: 0018:ffffb303c154fe60 EFLAGS: 00010282 #[ 48.459511] ------------[ cut here ]------------ [ 48.086471] RAX: ffffffff8ccdff70 RBX: 0000000000000001 RCX:[ 48.470902] WARNING: CPU: 1 PID: 762 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 0000000000000000 # [ 48.094431] RDX: 0000000000000000 RSI: f[ 48.486525] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify fff9e75bad9bf70 RDI: ffffffff8d99bd90 # [ 48.102402] RBP: fff[ 48.519170] CPU: 1 PID: 762 Comm: cat Tainted: G D W 5.10.154-cip20 #1 [ 48.533939] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 fffff8dde7408 R08: 0000000000000001 R09: 0000000000000001 # [ [ 48.540753] RIP: 0010:lkdtm_WARNING+0x13/0x20 48.110371] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000[ 48.551831] 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 06 94 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 06 0000000000004 # [ 48.118334] R13: ffffb303c154ff10 R14: ffffb[ 48.579034] RSP: 0018:ffffb303c15b7e60 EFLAGS: 00010202 303c154ff10 R15: ffff9e754267b000 # [ 48.126305] FS: 00007f2[ 48.591092] RAX: ffffffff8ccdff80 RBX: 0000000000000002 RCX: 0000000000000000 e17f48580(0000) GS:ffff9e75bad80000(0000) knlGS:0000000000000000[ 48.605280] RDX: 0000000000000000 RSI: ffff9e75bac9bf70 RDI: ffffffff8d99bda0 # [ 48.135334] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005[ 48.619470] RBP: ffffffff8dd8bd67 R08: 0000000000000000 R09: 0000000000000000 0033 # [ 48.141750] CR2: 00007f2e17d51000 CR3: 00000001032c20[ 48.633660] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 [ 48.647864] R13: ffffb303c15b7f10 R14: ffffb303c15b7f10 R15: ffff9e75434ff000 05 CR4: 00000000003706e0 # [ 48.149718] Call Trace: # [ 48[ 48.655882] FS: 00007ff9ab592580(0000) GS:ffff9e75bac80000(0000) knlGS:0000000000000000 .152446] direct_entry.cold+0x2c/0x38 # [ 48.156829] full_pr[ 48.671134] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 oxy_write+0x53/0x80 # [ 48.161118] vfs_write+0xe7/0x3a0 # [[ 48.683769] CR2: 00007ff9ab39b000 CR3: 00000001032fa006 CR4: 00000000003706e0 48.164828] ksys_write+0x68/0xf0 # [ 48.168526] do_syscal[ 48.697959] Call Trace: l_64+0x30/0x40 # [ 48.172515] entry_SYSCALL_64_after_hwframe[ 48.706908] direct_entry.cold+0x2c/0x38 +0x61/0xc6 # [ 48.178148] RIP: 0033:0x7f2e17e5e8f3 # [ 48.[ 48.717504] full_proxy_write+0x53/0x80 182136] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff[ 48.728003] vfs_write+0xe7/0x3a0 ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 [ 48.737919] ksys_write+0x68/0xf0 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28[ 48.747837] do_syscall_64+0x30/0x40 48 89 54 24 18 # [ 48.203119] RSP: 002b:00007ffd9fb0e058 EFL[ 48.758044] entry_SYSCALL_64_after_hwframe+0x61/0xc6 AGS: 00000246 ORIG_RAX: 0000000000000001 # [ 48.211576] RAX: [ 48.769902] RIP: 0033:0x7ff9ab4a88f3 ffffffffffffffda RBX: 0000000000000004 RCX: 00007f2e17e5e8f3 # [ 48.780111] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 48.219536] RDX: 0000000000000004 RSI: 00007f2e17d51000 RDI: [ 48.807318] RSP: 002b:00007ffdb1515488 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 0000000000000001 # [ 48.227507] RBP: 00007f2e17d51000 R08: 00[ 48.821990] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007ff9ab4a88f3 007f2e17d50010 R09: 0000000000000000 # [ 48.235477] R10: ffff[ 48.836178] RDX: 0000000000000008 RSI: 00007ff9ab39b000 RDI: 0000000000000001 [ 48.850366] RBP: 00007ff9ab39b000 R08: 00007ff9ab39a010 R09: 0000000000000000 fffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ [ 48.858342] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 48.243448] R13: 0000000000000001 R14: 0000000000020000 R15: 0000[ 48.872529] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 000000020000 # [ 48.251423] Modules linked in: fuse ip_tables[ 48.886725] irq event stamp: 0 cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buf[ 48.896344] hardirqs last enabled at (0): [<0000000000000000>] 0x0 fer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_e[ 48.909561] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 c_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal[ 48.924922] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 cros_ec_dev cros_usbpd_notify # [ 48.277912] ---[ end trace [ 48.940276] softirqs last disabled at (0): [<0000000000000000>] 0x0 ee95a40f003fd24e ]--- # [ 48.283081] RIP: 0010:lkdtm_BUG+0x5/[ 48.953486] ---[ end trace ee95a40f003fd24f ]--- 0x10 # [ 48.287463] Code: 89 ff e8 6e a3 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 06 94 02 # [ 48.308458] RSP: 0018:ffffb303c154fe60 EFLAGS: 00010282 # [ 48.314302] RAX: ffffffff8ccdff70 RBX: 0000000000000001 RCX: 0000000000000000 # [ 48.322303] RDX: 0000000000000000 RSI: ffff9e75bad9bf70 RDI: ffffffff8d99bd90 # [ 48.330306] RBP: ffffffff8dde7408 R08: 0000000000000001 R09: 0000000000000001 # [ 48.338309] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 48.346313] R13: ffffb303c154ff10 R14: ffffb303c154ff10 R15: ffff9e754267b000 # [ 48.354317] FS: 00007f2e17f48580(0000) GS:ffff9e75bad80000(0000) knlGS:0000000000000000 # [ 48.363387] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 48.369836] CR2: 00007f2e17d51000 CR3: 00000001032c2005 CR4: 00000000003706e0 # BUG: saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selfte[ 49.060154] lkdtm: Performing direct entry WARNING_MESSAGE sts: lkdtm: WARNING.sh # [ 48.451690] lkdtm: Performing direc[ 49.070468] ------------[ cut here ]------------ t entry WARNING # [ 48.459511] ------------[ cut here ]------[ 49.081843] Warning message trigger count: 2 ------ # [ 48.470902] WARNING: CPU: 1 PID: 762 at drivers/mis[ 49.092857] WARNING: CPU: 0 PID: 797 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 c/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 # [ 48.486525] Modu[ 49.109306] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify les linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_co[ 49.141942] CPU: 0 PID: 797 Comm: cat Tainted: G D W 5.10.154-cip20 #1 re industrialio_triggered_buffer kfifo_buf industrialio cros_ec_[ 49.156707] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_s[ 49.169747] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 ensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [[ 49.181667] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 81 06 94 02 48 c7 c7 c8 c2 d8 8d 8d 70 01 89 35 71 06 94 02 e8 4b 48 66 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 48.519170] CPU: 1 PID: 762 Comm: cat Tainted: G D W [ 49.208833] RSP: 0018:ffffb303c1657e60 EFLAGS: 00010286 5.10.154-cip20 #1 # [ 48.533939] Hardware name: Google Ra[ 49.221000] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 mmus/Rammus, BIOS 09/04/2020 # [ 48.540753] RIP: 0010:lkdtm_[ 49.235173] RDX: ffff9e75bac2c660 RSI: ffff9e75bac1bf70 RDI: ffff9e75bac1bf70 WARNING+0x13/0x20 # [ 48.551831] Code: c0 f4 ff ff ff eb c9 0[ 49.249371] RBP: ffffffff8dd8bd6f R08: 0000000000000000 R09: 0000000000000000 f 1f 44 00 00 0f 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83[ 49.263573] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 05 a0 06 94 02 01 75 05 c3 cc cc cc cc <0f> 0b c3 cc cc cc cc 6[ 49.277772] R13: ffffb303c1657f10 R14: ffffb303c1657f10 R15: ffff9e75432cb000 6 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 81 06 # [ 48.579034] RS[ 49.291973] FS: 00007f305799a580(0000) GS:ffff9e75bac00000(0000) knlGS:0000000000000000 P: 0018:ffffb303c15b7e60 EFLAGS: 00010202 # [ 48.591092] RAX:[ 49.307279] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 ffffffff8ccdff80 RBX: 0000000000000002 RCX: 0000000000000000 #[ 49.319956] CR2: 00007f30577a3000 CR3: 0000000103464003 CR4: 00000000003706f0 [ 48.605280] RDX: 0000000000000000 RSI: ffff9e75bac9bf70 RDI:[ 49.334123] Call Trace: ffffffff8d99bda0 # [ 48.619470] RBP: ffffffff8dd8bd67 R08: 0[ 49.343097] direct_entry.cold+0x2c/0x38 000000000000000 R09: 0000000000000000 # [ 48.633660] R10: 000[ 49.353715] full_proxy_write+0x53/0x80 00000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 # [ [ 49.364229] vfs_write+0xe7/0x3a0 48.647864] R13: ffffb303c15b7f10 R14: ffffb303c15b7f10 R15: fff[ 49.374136] ksys_write+0x68/0xf0 f9e75434ff000 # [ 48.655882] FS: 00007ff9ab592580(0000) GS:f[ 49.384083] do_syscall_64+0x30/0x40 fff9e75bac80000(0000) knlGS:0000000000000000 # [ 48.671134] C[ 49.394276] entry_SYSCALL_64_after_hwframe+0x61/0xc6 S: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 48.68376[ 49.406140] RIP: 0033:0x7f30578b08f3 9] CR2: 00007ff9ab39b000 CR3: 00000001032fa006 CR4: 000000000037[ 49.416354] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 06e0 # [ 48.697959] Call Trace: # [ 48.706908] direct_ent[ 49.443545] RSP: 002b:00007ffd1a63e4a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 ry.cold+0x2c/0x38 # [ 48.717504] full_proxy_write+0x53/0x80 [ 49.458230] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f30578b08f3 # [ 48.728003] vfs_write+0xe7/0x3a0 # [ 48.737919] ksys_[ 49.472404] RDX: 0000000000000010 RSI: 00007f30577a3000 RDI: 0000000000000001 write+0x68/0xf0 # [ 48.747837] do_syscall_64+0x30/0x40 # [ [ 49.486600] RBP: 00007f30577a3000 R08: 00007f30577a2010 R09: 0000000000000000 48.758044] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 48[ 49.500772] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 .769902] RIP: 0033:0x7ff9ab4a88f3 # [ 48.780111] Code: 8b 15 [ 49.514970] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 6[ 49.529157] irq event stamp: 0 4 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d [ 49.538775] hardirqs last enabled at (0): [<0000000000000000>] 0x0 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [[ 49.552000] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 48.807318] RSP: 002b:00007ffdb1515488 EFLAGS: 00000246 ORIG_R[ 49.567369] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 AX: 0000000000000001 # [ 48.821990] RAX: ffffffffffffffda RBX[ 49.582726] softirqs last disabled at (0): [<0000000000000000>] 0x0 : 0000000000000008 RCX: 00007ff9ab4a88f3 # [ 48.836178] RDX: [ 49.595963] ---[ end trace ee95a40f003fd250 ]--- 0000000000000008 RSI: 00007ff9ab39b000 RDI: 0000000000000001 # [ 48.850366] RBP: 00007ff9ab39b000 R08: 00007ff9ab39a010 R09: 0000000000000000 # [ 48.858342] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 48.872529] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 48.886725] irq event stamp: 0 # [ 48.896344] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 48.909561] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 48.924922] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 48.940276] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 48.953486] ---[ end trace ee95a40f003fd24f ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ 49.060154] lkdtm: Performing direct entry WARNING_MESSAGE # [ 49.070468] ------------[ cut here ]------------ # [ 49.081843] Warning message trigger count: 2 #[ 49.705027] lkdtm: Performing direct entry EXCEPTION [ 49.712312] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 49.720095] #PF: supervisor write access in kernel mode [ 49.725929] #PF: error_code(0x0002) - not-present page [ 49.731656] PGD 0 P4D 0 [ 49.734488] Oops: 0002 [#2] SMP PTI [ 49.738382] CPU: 3 PID: 829 Comm: cat Tainted: G D W 5.10.154-cip20 #1 [ 49.746936] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 49.753742] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 [ 49.758701] Code: 48 c7 c7 c8 c2 d8 8d 8d 70 01 89 35 71 06 94 02 e8 4b 48 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 [ 49.779686] RSP: 0018:ffffb303c16d7e60 EFLAGS: 00010282 [ 49.785521] RAX: ffffffff8ccdffd0 RBX: 0000000000000004 RCX: 0000000000000000 [ 49.793483] RDX: 0000000000000000 RSI: ffff9e75bad9bf70 RDI: ffffffff8d99bdc0 [ 49.801454] RBP: ffffffff8dcc1077 R08: 0000000000000000 R09: 0000000000000000 [ 49.809423] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 49.817392] R13: ffffb303c16d7f10 R14: ffffb303c16d7f10 R15: ffff9e75438da000 [ 49.825362] FS: 00007f44e720a580(0000) GS:ffff9e75bad80000(0000) knlGS:0000000000000000 [ 49.834399] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.840824] CR2: 0000000000000000 CR3: 0000000104170006 CR4: 00000000003706e0 [ 49.848793] Call Trace: [ 49.851520] direct_entry.cold+0x2c/0x38 [ 49.855899] full_proxy_write+0x53/0x80 [ 49.860179] vfs_write+0xe7/0x3a0 [ 49.863886] ksys_write+0x68/0xf0 [ 49.867584] do_syscall_64+0x30/0x40 [ 49.871572] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 49.877212] RIP: 0033:0x7f44e71208f3 [ 49.881201] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 49.902183] RSP: 002b:00007ffc62128c58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 49.910639] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f44e71208f3 [ 49.918608] RDX: 000000000000000a RSI: 00007f44e7013000 RDI: 0000000000000001 [ 49.926577] RBP: 00007f44e7013000 R08: 00007f44e7012010 R09: 0000000000000000 [ 49.934545] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 49.942514] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 49.950487] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 49.092857] WARNING: CPU: 0 PID: 797 at drivers/misc/lkdtm/b[ 49.976940] CR2: 0000000000000000 [ 49.986851] ---[ end trace ee95a40f003fd251 ]--- [ 49.992004] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 49.996380] Code: 89 ff e8 6e a3 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 06 94 02 [ 50.017364] RSP: 0018:ffffb303c154fe60 EFLAGS: 00010282 [ 50.023196] RAX: ffffffff8ccdff70 RBX: 0000000000000001 RCX: 0000000000000000 [ 50.031165] RDX: 0000000000000000 RSI: ffff9e75bad9bf70 RDI: ffffffff8d99bd90 [ 50.039133] RBP: ffffffff8dde7408 R08: 0000000000000001 R09: 0000000000000001 [ 50.047101] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 50.055070] R13: ffffb303c154ff10 R14: ffffb303c154ff10 R15: ffff9e754267b000 [ 50.063038] FS: 00007f44e720a580(0000) GS:ffff9e75bad80000(0000) knlGS:0000000000000000 [ 50.072074] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.078489] CR2: 0000000000000000 CR3: 0000000104170006 CR4: 00000000003706e0 [ 50.086457] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 50.096367] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 829, name: cat [ 50.104724] INFO: lockdep is turned off. [ 50.109100] irq event stamp: 0 [ 50.112503] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 50.119500] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 50.128625] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 50.137760] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 50.144758] CPU: 3 PID: 829 Comm: cat Tainted: G D W 5.10.154-cip20 #1 [ 50.153310] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 50.160114] Call Trace: [ 50.162842] dump_stack+0x77/0x9b [ 50.166542] ___might_sleep.cold+0xa6/0xb6 ugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 49.109306] Modul[ 50.171115] exit_signals+0x1c/0x2e0 [ 50.181316] do_exit+0xd5/0xb00 [ 50.184829] ? ksys_write+0x68/0xf0 [ 50.188722] rewind_stack_do_exit+0x17/0x20 [ 50.193389] RIP: 0033:0x7f44e71208f3 [ 50.197375] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 50.218360] RSP: 002b:00007ffc62128c58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 50.226826] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f44e71208f3 [ 50.234795] RDX: 000000000000000a RSI: 00007f44e7013000 RDI: 0000000000000001 [ 50.242761] RBP: 00007f44e7013000 R08: 00007f44e7012010 R09: 0000000000000000 [ 50.250729] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 50.258695] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 es linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 49.141942] CPU: 0 PID: 797 Comm: cat Tainted: G D W 5.10.154-cip20 #1 # [ 49.156707] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 49.169747] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 49.181667] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 81 06 94 02 48 c7 c7 c8 c2 d8 8d 8d 70 01 89 35 71 06 94 02 e8 4b 48 66 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 # [ 49.208833] RSP: 0018:ffffb303c1657e60 EFLAGS: 00010286 # [ 49.221000] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 # [ 49.235173] RDX: ffff9e75bac2c660 RSI: ffff9e75bac1bf70 RDI: ffff9e75bac1bf70 # [ 49.249371] RBP: ffffffff8dd8bd6f R08: 0000000000000000 R09: 0000000000000000 # [ 49.263573] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 # [ 49.277772] R13: ffffb303c1657f10 R14: ffffb303c1657f10 R15: ffff9e75432cb000 # [ 49.291973] FS: 00007f305799a580(0000) GS:ffff9e75bac00000(0000) knlGS:0000000000000000 # [ 49.307279] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 49.319956] CR2: 00007f30577a3000 CR3: 0000000103464003 CR4: 00000000003706f0 # [ 49.334123] Call Trace: # [ 49.343097] direct_entry.cold+0x2c/0x38 # [ 49.353715] full_proxy_write+0x53/0x80 # [ 49.364229] vfs_write+0xe7/0x3a0 # [ 49.374136] ksys_write+0x68/0xf0 # [ 49.384083] do_syscall_64+0x30/0x40 # [ 49.394276] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 49.406140] RIP: 0033:0x7f30578b08f3 # [ 49.416354] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 49.443545] RSP: 002b:00007ffd1a63e4a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 49.458230] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f30578b08f3 # [ 49.472404] RDX: 0000000000000010 RSI: 00007f30577a3000 RDI: 0000000000000001 # [ 49.486600] RBP: 00007f30577a3000 R08: 00007f30577a2010 R09: 0000000000000000 # [ 49.500772] R10: fffffffffffffbc5 [ 50.491905] lkdtm: Performing direct entry CORRUPT_LIST_ADD R11: 0000000000000246 R12: 0000000000000001 # [ 49.514970] R1[ 50.502879] lkdtm: attempting good list addition 3: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 50.514252] lkdtm: attempting corrupted list addition [ 50.526106] lkdtm: list_add() corruption not detected! # [ 49.529157] irq event stamp: 0 # [ 49.538775] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 49.552000] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 49.567369] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 49.582726] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 49.595963] ---[ end trace ee95a40f003fd250 ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCEPTION.sh # Killed # [ 49.705027] lkdtm: Performing direct entry EXCEPTION # [ 49.712312] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 49.720095] #PF: supervisor write access in kernel mode # [ 49.725929] #PF: error_code(0x0002) - not-present page # [ 49.731656] PGD 0 P4D 0 # [ 49.734488] Oops: 0002 [#2] SMP PTI # [ 49.738382] CPU: 3 PID: 829 Comm: cat Tainted: G D W 5.10.154-cip20 #1 # [ 49.746936] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 49.753742] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 # [ 49.758701] Code: 48 c7 c7 c8 c2 d8 8d 8d 70 01 89 35 71 06 94 02 e8 4b 48 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 # [ 49.779686] RSP: 0018:ffffb303c16d7e60 EFLAGS: 00010282 # [ 49.785521] RAX: ffffffff8ccdffd0 RBX: 0000000000000004 RCX: 00000000[ 50.674566] lkdtm: Performing direct entry CORRUPT_LIST_DEL [ 50.681016] lkdtm: attempting good list removal [ 50.686088] lkdtm: attempting corrupted list removal [ 50.691638] lkdtm: list_del() corruption not detected! 00000000 # [ 49.793483] RDX: 0000000000000000 RSI: ffff9e75bad9bf70 RDI: ffffffff8d99bdc0 # [ 49.801454] RBP: ffffffff8dcc1077 R08: 0000000000000000 R09: 0000000000000000 # [ 49.809423] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 49.817392] R13: ffffb303c16d7f10 R14: ffffb303c16d7f10 R15: ffff9e75438da000 # [ 49.825362] FS: 00007f44e720a580(0000) GS:ffff9e75bad80000(0000) knlGS:0000000000000000 # [ 49.834399] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 49.840824] CR2: 0000000000000000 CR3: 0000000104170006 CR4: 00000000003706e0 # [ 49.848793] Call Trace: # [ 49.851520] direct_entry.cold+0x2c/0x38 # [ 49.855899] full_proxy_write+0x53/0x80 # [ 49.860179] vfs_write+0xe7/0x3a0 # [ 49.863[ 50.769171] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING 886] ksys_write+0x68/0xf0 # [ 49.867584] do_syscall_64+0x30[ 50.779045] lkdtm: attempting bad read from page below current stack /0x40 # [ 49.871572] entry_SYSCALL_64_after_hwframe+0x61/0xc[ 50.792361] BUG: stack guard page was hit at 0000000040def055 (stack is 00000000abb4b05b..00000000f0b684bd) [ 50.809413] kernel stack overflow (page fault): 0000 [#3] SMP PTI [ 50.816217] CPU: 0 PID: 1054 Comm: cat Tainted: G D W 5.10.154-cip20 #1 [ 50.824865] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 50.831670] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a [ 50.838187] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 68 c6 d8 8d 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 2a a0 fd ff 48 c7 c7 a8 c6 d8 8d <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 10 a0 fd ff 0f 1f 44 [ 50.859163] RSP: 0018:ffffb303c1a37e50 EFLAGS: 00010246 [ 50.864995] RAX: 0000000000000038 RBX: ffffb303c1a34000 RCX: 0000000000000000 [ 50.872962] RDX: 0000000000000000 RSI: ffff9e75bac1bf70 RDI: ffffffff8dd8c6a8 [ 50.880930] RBP: ffffffff8dd8bdd2 R08: 0000000000000000 R09: 0000000000000000 [ 50.888898] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 [ 50.896866] R13: ffffb303c1a37f10 R14: ffffb303c1a37f10 R15: ffff9e75434fc000 [ 50.904832] FS: 00007f6092583580(0000) GS:ffff9e75bac00000(0000) knlGS:0000000000000000 [ 50.913867] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.920280] CR2: ffffb303c1a33fff CR3: 0000000104202005 CR4: 00000000003706f0 [ 50.928250] Call Trace: [ 50.930975] ? lkdtm_CORRUPT_LIST_DEL+0xe0/0xe0 [ 50.936031] direct_entry.cold+0x2c/0x38 [ 50.940399] full_proxy_write+0x53/0x80 [ 50.944679] vfs_write+0xe7/0x3a0 [ 50.948381] ksys_write+0x68/0xf0 [ 50.952070] do_syscall_64+0x30/0x40 [ 50.956057] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 50.961695] RIP: 0033:0x7f60924998f3 [ 50.965680] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 50.986657] RSP: 002b:00007ffee2ff3db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 50.995110] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f60924998f3 [ 51.003076] RDX: 0000000000000019 RSI: 00007f609238c000 RDI: 0000000000000001 [ 51.011043] RBP: 00007f609238c000 R08: 00007f609238b010 R09: 0000000000000000 [ 51.019012] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 51.026978] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 51.034950] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 51.061384] ---[ end trace ee95a40f003fd252 ]--- [ 51.066529] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 51.070904] Code: 89 ff e8 6e a3 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 06 94 02 [ 51.091881] RSP: 0018:ffffb303c154fe60 EFLAGS: 00010282 [ 51.097712] RAX: ffffffff8ccdff70 RBX: 0000000000000001 RCX: 0000000000000000 [ 51.105678] RDX: 0000000000000000 RSI: ffff9e75bad9bf70 RDI: ffffffff8d99bd90 [ 51.113645] RBP: ffffffff8dde7408 R08: 0000000000000001 R09: 0000000000000001 [ 51.121611] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 51.129578] R13: ffffb303c154ff10 R14: ffffb303c154ff10 R15: ffff9e754267b000 [ 51.137545] FS: 00007f6092583580(0000) GS:ffff9e75bac00000(0000) knlGS:0000000000000000 [ 51.146579] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.152994] CR2: ffffb303c1a33fff CR3: 0000000104202005 CR4: 00000000003706f0 [ 51.160961] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 51.170892] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1054, name: cat [ 51.179347] INFO: lockdep is turned off. [ 51.183721] irq event stamp: 0 [ 51.187125] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 51.194122] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 51.203246] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 51.212370] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 51.219366] CPU: 0 PID: 1054 Comm: cat Tainted: G D W 5.10.154-cip20 #1 [ 51.228011] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 51.234827] Call Trace: [ 51.237553] dump_stack+0x77/0x9b [ 51.241250] ___might_sleep.cold+0xa6/0xb6 [ 51.245811] exit_signals+0x1c/0x2e0 [ 51.249791] do_exit+0xd5/0xb00 [ 51.253294] ? ksys_write+0x68/0xf0 [ 51.257187] rewind_stack_do_exit+0x17/0x20 [ 51.261852] RIP: 0033:0x7f60924998f3 [ 51.265838] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 51.286824] RSP: 002b:00007ffee2ff3db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 51.295278] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f60924998f3 [ 51.303245] RDX: 0000000000000019 RSI: 00007f609238c000 RDI: 0000000000000001 [ 51.311212] RBP: 00007f609238c000 R08: 00007f609238b010 R09: 0000000000000000 [ 51.319179] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 51.327146] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 6 # [ 49.877212] RIP: 0033:0x7f44e71208f3 # [ 49.881201] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 49.902183] RSP: 002b:00007ffc62128c58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 49.910639] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f44e71208f3 # [ 49.918608] RDX: 000000000000000a RSI: 00007f44e7013000 RDI: 0000000000000001 # [ 49.926577] RBP: 00007f44e7013000 R08: 00007f44e7012010 R09: 0000000000000000 # [ 49.934545] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 49.942514] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 49.950487] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 49.976940] CR2: 0000000000000000 #[ 51.440744] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING [ 51.447931] lkdtm: attempting bad read from page above current stack [ 51.455094] BUG: stack guard page was hit at 00000000e92488cb (stack is 000000001d525eee..00000000a7c8c111) [ 49.986851] ---[ end trace ee95a40f003fd251 ]--- # [ 49.9[ 51.465995] kernel stack overflow (page fault): 0000 [#4] SMP PTI [ 51.479011] CPU: 3 PID: 1087 Comm: cat Tainted: G D W 5.10.154-cip20 #1 92004] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 49.996380] Code: 89 f[ 51.487659] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 f [e8 6e a3 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff 51.500683] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d [ 51.513511] Code: a0 fd ff 0f 1f 44 00 00 53 48 c7 c7 e0 c6 d8 8d 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 f0 9f fd ff 48 c7 c7 20 c7 d8 8d <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 d3 9f fd ff [ 51.534496] RSP: 0018:ffffb303c1abfe50 EFLAGS: 00010246 [ 51.540329] RAX: 0000000000000038 RBX: ffffb303c1abc000 RCX: 0000000000000000 [ 51.548298] RDX: 0000000000000000 RSI: ffff9e75bad9bf70 RDI: ffffffff8dd8c720 [ 51.556269] RBP: ffffffff8dd8bdeb R08: 0000000000000000 R09: 0000000000000000 [ 51.564236] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a [ 51.572203] R13: ffffb303c1abff10 R14: ffffb303c1abff10 R15: ffff9e75429c5000 [ 51.580171] FS: 00007f249b14d580(0000) GS:ffff9e75bad80000(0000) knlGS:0000000000000000 [ 51.589208] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.595623] CR2: ffffb303c1ac0000 CR3: 0000000102b66002 CR4: 00000000003706e0 [ 51.603591] Call Trace: [ 51.606319] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a [ 51.612153] direct_entry.cold+0x2c/0x38 [ 51.616532] full_proxy_write+0x53/0x80 [ 51.620830] vfs_write+0xe7/0x3a0 [ 51.624527] ksys_write+0x68/0xf0 [ 51.628226] do_syscall_64+0x30/0x40 [ 51.632214] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 51.637854] RIP: 0033:0x7f249b0638f3 [ 51.641881] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 51.662880] RSP: 002b:00007ffc209015c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 51.671324] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f249b0638f3 [ 51.679292] RDX: 000000000000001a RSI: 00007f249af56000 RDI: 0000000000000001 [ 51.687260] RBP: 00007f249af56000 R08: 00007f249af55010 R09: 0000000000000000 [ 51.695227] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 51.703195] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 51.711167] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0[ 51.737623] ---[ end trace ee95a40f003fd253 ]--- [ 51.748991] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 51.753378] Code: 89 ff e8 6e a3 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 06 94 02 [ 51.774358] RSP: 0018:ffffb303c154fe60 EFLAGS: 00010282 [ 51.780181] RAX: ffffffff8ccdff70 RBX: 0000000000000001 RCX: 0000000000000000 [ 51.788151] RDX: 0000000000000000 RSI: ffff9e75bad9bf70 RDI: ffffffff8d99bd90 [ 51.796121] RBP: ffffffff8dde7408 R08: 0000000000000001 R09: 0000000000000001 [ 51.804089] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 51.812057] R13: ffffb303c154ff10 R14: ffffb303c154ff10 R15: ffff9e754267b000 [ 51.820027] FS: 00007f249b14d580(0000) GS:ffff9e75bad80000(0000) knlGS:0000000000000000 [ 51.829064] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.835480] CR2: ffffb303c1ac0000 CR3: 0000000102b66002 CR4: 00000000003706e0 b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 06 94 02 # [ 50.017364] RSP: 0018:ffffb303c154fe60 EFLAGS: 00010282 # [ 50.023196] RAX: ffffffff8ccdff70 RBX: 0000000000000001 RCX: 0000000000000000 # [ 50.031165] RDX: 0000000000000000 RSI: ffff9e75bad9bf70 RDI: ffffffff8d99bd90 # [ 50.039133] RBP: ffffffff8dde7408 R08: 0000000000000001 R09: 0000000000000001 # [ 50.047101] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 50.055070] R13: ffffb303c154ff10 R14: ffffb303c154ff10 R15: ffff9e754267b000 # [ 50.063038] FS: 00007f44e720a580(0000) GS:ffff9e75bad80000(0000) knlGS:0000000000000000 # [ 50.072074] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 50.078489] CR2: 0000000000000000 CR3: 0000000104170006 CR4: 00000000003706e0 # [ 50.086457] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 50.096367] in_atomic(): 0, irqs_disabled(): 1, non_block: [ 51.935473] lkdtm: Performing direct entry UNSET_SMEP [ 51.942373] lkdtm: trying to clear SMEP normally [ 51.947555] ------------[ cut here ]------------ [ 51.952731] pinned CR4 bits changed: 0x100000!? [ 51.957815] WARNING: CPU: 2 PID: 1123 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60 0, pid: 829, name: cat # [ 50.104724] INFO: lockdep is turned[ 51.968033] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 52.000662] CPU: 2 PID: 1123 Comm: cat Tainted: G D W 5.10.154-cip20 #1 [ 52.009344] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 52.016151] RIP: 0010:native_write_cr4+0x45/0x60 [ 52.021311] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d 04 a1 e3 01 00 75 f2 48 c7 c7 d0 b0 cc 8d c6 05 f4 a0 e3 01 01 e8 86 fc e7 00 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 [ 52.042330] RSP: 0018:ffffb303c1b17e48 EFLAGS: 00010286 [ 52.048168] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 0000000000000000 [ 52.056141] RDX: ffff9e75bad2c660 RSI: ffff9e75bad1bf70 RDI: ffff9e75bad1bf70 [ 52.064118] RBP: ffffffff8dd8be05 R08: 0000000000000000 R09: 0000000000000000 [ 52.072120] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b [ 52.080094] R13: ffffb303c1b17f10 R14: ffffb303c1b17f10 R15: ffff9e7543226000 [ 52.088065] FS: 00007f9b8d946580(0000) GS:ffff9e75bad00000(0000) knlGS:0000000000000000 [ 52.097107] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.103526] CR2: 00007f9b8d74f000 CR3: 00000001032fa006 CR4: 00000000003706e0 off. # [ 50.109100] irq event stamp: 0 # [ 50.112503] har[ 52.111501] Call Trace: dirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 50.1[ 52.120449] lkdtm_UNSET_SMEP.cold+0x1d/0x103 19500] hardirqs last disabled at (0): [] copy_[ 52.131535] direct_entry.cold+0x2c/0x38 [ 52.142128] full_proxy_write+0x53/0x80 process+0x640/0x1c80 # [ 50.128625] softirqs last enabled at[ 52.146443] vfs_write+0xe7/0x3a0 [ 52.156360] ksys_write+0x68/0xf0 [ 52.160094] do_syscall_64+0x30/0x40 [ 52.164119] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 52.169794] RIP: 0033:0x7f9b8d85c8f3 (0): [] copy_process+0x640/0x1c80 # [ 50.1[ 52.173820] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 52.201040] RSP: 002b:00007ffd5a940028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 37760] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 52.209513] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f9b8d85c8f3 [ 52.223688] RDX: 000000000000000b RSI: 00007f9b8d74f000 RDI: 0000000000000001 [ 52.231661] RBP: 00007f9b8d74f000 R08: 00007f9b8d74e010 R09: 0000000000000000 [ 52.239634] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 52.247607] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 52.255583] irq event stamp: 0 # [ 50.144758] CPU: 3 PID: 829 Comm: cat Tainted: G D W [ 52.259018] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 52.272228] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 52.281368] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 52.290537] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 52.297540] ---[ end trace ee95a40f003fd254 ]--- [ 52.302695] lkdtm: ok: SMEP did not get cleared [ 52.307755] lkdtm: trying to clear SMEP with call gadget [ 52.313688] lkdtm: ok: SMEP removal was reverted 5.10.154-cip20 #1 # [ 50.153310] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 50.160114] Call Trace: # [ 50.162842] dump_stack+0x77/0x9b # [ 50.166542] ___might_sleep.cold+0xa6/0xb6 # [ 50.171115] exit_signals+0x1c/0x2e0 # [ 50.181316] do_exit+0xd5/0xb00 # [ 50.184829] ? ksys_write+0x68/0xf0 # [ 50.188722] rewind_stack_do_exit+0x17/0x20 # [ 50.193389] RIP: 0033:0x7f44e71208f3 # [ 50.197375] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 50.218360] RSP: 002b:00007ffc62128c58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 50.226826] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f44e71208f3 # [ 50.234795] RDX: 000000000000000a RSI: 00007f44e7013000 RDI: 0000000000000001 # [ 50.242761] RBP: 00007f44e7013000 R08: 00007f44e7012010 R09: 0000000000000000 # [ 50.250729] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 50.258[ 52.419502] lkdtm: Performing direct entry DOUBLE_FAULT 695] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000[ 52.430535] lkdtm: XFAIL: this test is ia32-only 020000 # EXCEPTION: saw 'call trace:': ok ok 5 selftests: lkdtm: EXCEPTION.sh # selftests: lkdtm: LOOP.sh # Skipping LOOP: Hangs the system ok 6 selftests: lkdtm: LOOP.sh # SKIP # selftests: lkdtm: EXHAUST_STACK.sh # Skipping EXHAUST_STACK: Corrupts memory on failure ok 7 selftests: lkdtm: EXHAUST_STACK.sh # SKIP # selftests: lkdtm: CORRUPT_STACK.sh # Skipping CORRUPT_STACK: Crashes entire system on success ok 8 selftests: lkdtm: CORRUPT_STACK.sh # SKIP # selftests: lkdtm: CORRUPT_STACK_STRONG.sh # Skipping CORRUPT_STACK_STRONG: Crashes entire system on success ok 9 selftests: lkdtm: CORRUPT_STACK_STRONG.sh # SKIP # selftests: lkdtm: CORRUPT_LIST_ADD.sh # [ 50.491905] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 50.502879] lkdtm: attempting good list addition # [ 50.514252] lkdtm: attempting corrupted list addition # [ 50.526106] 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 # [ 50.674566] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 50.681016] lkdtm: attempting good list removal # [ 50.686088] lkdtm: attempting corrupted list removal # [ 50.691638] 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 # [ 50.769171] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 50.779045] lkdtm: attempting bad read from page below current stack # [ 50.792361] BUG: stack guard page was hit at 0000000040def055 (stack[ 52.604197] lkdtm: Performing direct entry CORRUPT_PAC [ 52.615445] lkdtm: XFAIL: this test is arm64-only is 00000000abb4b05b..00000000f0b684bd) # [ 50.809413] kernel stack overflow (page fault): 0000 [#3] SMP PTI # [ 50.816217] CPU: 0 PID: 1054 Comm: cat Tainted: G D W 5.10.154-cip20 #1 # [ 50.824865] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 50.831670] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a # [ 50.838187] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 68 c6 d8 8d 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 2a a0 fd ff 48 c7 c7 a8 c6 d8 8d <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 10 a0 fd ff 0f 1f 44 # [ 50.859163] RSP: 0018:ffffb303c1a37e50 EFLAGS: 00010246 # [ 50.864995] RAX: 0000000000000038 RBX: ffffb303c1a34000 RCX: 0000000000000000 # [ 50.872962] RDX: 0000000000000000 RSI: ffff9e75bac1bf70 RDI: ffffffff8dd8c6a8 # [ 50.880930] RBP: ffffffff8dd8bdd2 R08: 0000000000000000 R09: 0000000000000000 # [ 50.888898] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 # [ 50.896866] R13: ffffb303c1a37f10 R14: ffffb303c1a37f10 R1[ 52.717092] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE [ 52.727405] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS 5: ffff9e75434fc000 # [ 50.904832] FS: 00007f6092583580(0000) GS:ffff9e75bac00000(0000) knlGS:0000000000000000 # [ 50.913867] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 50.920280] CR2: ffffb303c1a33fff CR3: 0000000104202005 CR4: 00000000003706f0 # [ 50.928250] Call Trace: # [ 50.930975] ? lkdtm_CORRUPT_LIST_DEL+0xe0/0xe0 # [ 50.936031] direct_entry.cold+0x2c/0x38 # [ 50.940399] full_proxy_write+0x53/0x80 # [ 50.944679] vfs_write+0xe7/0x3a0 # [ 50.948381] ksys_write+0x68/0xf0 # [ 50.952070] do_syscall_64+0x30/0x40 # [ 50.956057] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 50.961695] RIP: 0033:0x7f60924998f3 # [ 50.965680] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 50.986657] RSP: 002b:00007ffee2ff3db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 50.995110] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f60924998f3 # [ 51.003076] RDX: 0000000000000019 RSI: 00007f609238c000 RDI: 0000000000000001 # [ 51.011043] RBP: 00007f609238c000 R08: 00007f609238b010 R09: 0000000000000000 # [ 51.019012] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 51.026978] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 51.034950] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 51.061384] ---[ end trace ee95a40f003fd252 ]--- # [ 51.066529] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 51.070904] Code: 89 ff e8 6e a3 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 06 94 02 # [ 51.091881] RSP: 0018:ffffb303c154fe60 EFLAGS: 00010282 # [ 51.097712] RAX: ffffffff8ccdff70 RBX: 0000000000000001 RCX: 0000000000000000 # [ 51.105678] RDX: 0000000000000000 RSI: ffff9e75bad9bf70 RDI: ffffffff8d99bd90 # [ 51.113645] R[ 52.951834] lkdtm: Performing direct entry READ_AFTER_FREE BP: ffffffff8dde7408 R08: 0000000000000001 R09: 0000000000000001[ 52.958711] lkdtm: Value in memory before free: 12345678 # [ 51.121611] R10: 00000000ffffe000 R11: 3fffffffffffffff R[ 52.970860] lkdtm: Attempting bad read from freed memory 12: 0000000000000004 # [ 51.129578] R13: ffffb303c154ff10 R14[ 52.983011] lkdtm: Memory was not poisoned : ffffb303c154ff10 R15: ffff9e754267b000 # [ 51.137545] FS: 00007f6092583580(0000) GS:ffff9e75bac00000(0000) knlGS:0000000000000000 # [ 51.146579] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 51.152994] CR2: ffffb303c1a33fff CR3: 0000000104202005 CR4: 00000000003706f0 # [ 51.160961] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 51.170892] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1054, name: cat # [ 51.179347] INFO: lockdep is turned off. # [ 51.183721] irq event stamp: 0 # [ 51.187125] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 51.194122] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 51.203246] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 51.212370] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 51.219366] CPU: 0 PID: 1054 Comm: cat Tainted: G D W 5.10.154-cip20 #1 # [ 51.228011] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 51.234827] Call Trace: # [ 51.237553] dump_stack+0x77/0x9b # [ 51.2412[ 53.102731] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE [ 53.112394] lkdtm: Value in memory before free: 12345678 [ 53.118385] lkdtm: Attempting to read from freed memory 50] ___might_sleep.cold+0xa6/0xb6 # [ 51.245811] exit_signa[ 53.124235] lkdtm: Buddy page was not poisoned ls+0x1c/0x2e0 # [ 51.249791] do_exit+0xd5/0xb00 # [ 51.253294] ? ksys_write+0x68/0xf0 # [ 51.257187] rewind_stack_do_exit+0x17/0x20 # [ 51.261852] RIP: 0033:0x7f60924998f3 # [ 51.265838] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 51.286824] RSP: 002b:00007ffee2ff3db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 51.295278] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f60924998f3 # [ 51.303245] RDX: 0000000000000019 RSI: 00007f609238c000 RDI: 0000000000000001 # [ 51.311212] RBP: 00007f609238c000 R08: 00007f609238b010 R09: 0000000000000000 # [ 51.319179] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 51.327146] 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 faul[ 53.235994] lkdtm: Performing direct entry SLAB_FREE_DOUBLE t # [ 51.440744] lkdtm: Performing direct entry STACK_GUARD_P[ 53.247318] lkdtm: Attempting double slab free ... AGE_TRAILING # [ 51.447931] lkdtm: attempting bad read from page above current stack # [ 51.455094] BUG: stack guard page was hit at 00000000e92488cb (stack is 000000001d525eee..00000000a7c8c111) # [ 51.465995] kernel stack overflow (page fault): 0000 [#4] SMP PTI # [ 51.479011] CPU: 3 PID: 1087 Comm: cat Tainted: G D W 5.10.154-cip20 #1 # [ 51.487659] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 51.500683] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d # [ 51.513511] Code: a0 fd ff 0f 1f 44 00 00 53 48 c7 c7 e0 c6 d8 8d 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 f0 9f fd ff 48 c7 c7 20 c7 d8 8d <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 d3 9f fd ff # [ 51.534496] RSP: 0018:ffffb303c1abfe50 EFLAGS: 00010246 # [ 51.540329] RAX: 0000000000000038 RBX: ffffb303c1abc000 RCX: 0000000000000000 # [ 51.548298] RDX: 0000000000000000 RSI: ffff9e75bad9bf70 RDI: ffffffff8dd8c720 # [ 51.556269] RBP: ffffffff8dd8bdeb R08: 0000000000000000 R09: 00[ 53.357963] lkdtm: Performing direct entry SLAB_FREE_CROSS [ 53.364443] lkdtm: Attempting cross-cache slab free ... 00000000000000 # [ 51.564236] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a # [ 51.572203] R13: ffffb303c1abff10 R14: ffffb303c1abff10 R15: ffff9e75429c5000 # [ 51.580171] FS: 00007f249b14d580(0000) GS:ffff9e75bad80000(0000) knlGS:0000000000000000 # [ 51.589208] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 51.595623] CR2: ffffb303c1ac0000 CR3: 0000000102b66002 CR4: 00000000003706e0 # [ 51.603591] Call Trace: # [ 51.606319] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a # [ 51.612153] direct_entry.cold+0x2c/0x38 # [ 51.616532] full_proxy_write+0x53/0x80 # [ 51.620830] vfs_write+0xe7/0x3a0 # [ 51.624527] ksys_write+0x68/0xf0 # [ 51.628226] do_syscall_64+0x30/0x40 # [ 51.632214] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 51.637854] RIP: 0033:0x7f249b0638f3 # [ 51.641881] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85[ 53.458847] lkdtm: Performing direct entry SLAB_FREE_PAGE c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1[ 53.469597] lkdtm: Attempting non-Slab slab free ... f 40 00 48 83 ec 28 48 89 54 24 18 # [ 51.662880] RSP: 002b:00007ffc209015c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 51.671324] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f249b0638f3 # [ 51.679292] RDX: 000000000000001a RSI: 00007f249af56000 RDI: 0000000000000001 # [ 51.687260] RBP: 00007f249af56000 R08: 00007f249af55010 R09: 0000000000000000 # [ 51.695227] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 51.703195] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 51.711167] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 51.737623] ---[ end trace ee95a40f003fd253 ]--- # [ 51.748991] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 51.753378] Code: 89 ff e8 6e a3 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 06 94 02 # [ 51.774358] RSP: 0018:ffffb303c154fe60 EFLAGS: 00010282 # [ 51.780181] RAX: ffffffff8ccdff70 RBX: 0000000000000001 RCX: 0000000000000000 # [ 51.788151] RDX: 0000000000000000 RSI: ffff9e75bad9bf70 RDI: ffffffff8d99bd90 # [ 51.796121] RBP: ffffffff8dde7408 R08: 0000000000000001 R09: 0000000000000001 # [ 51.804089] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 51.812057] R13: ffffb303c154ff10 R14: ffffb303c154ff10 R15: ffff9e754267b000 # [ 51.820027] FS: 00007f249b14d580(0000) GS:ffff9e75bad80000(0000) knlGS:0000000000000000 # [ 51.829064] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 51.835480] CR2: ffffb303c1ac0000 CR3: 0000000102b66002 CR4: 00000000003706e0 # STACK_GUARD_PAGE_TRAILING: saw 'call trace:': ok ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # selftests: lkdtm: UNSET_SMEP.sh # [ 51.935473] lkdtm: Performing direct entry UNSET_SMEP # [ 51.942373] lkdtm: trying to clear SMEP normally # [ 51.947555] ------------[ cut here ]------------ # [ 51.952731] pinned CR4 bits changed: 0x100000!? # [ 51.957815] WARNING: CPU: 2 PID: 1123 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60 # [ 51.968033] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightba[ 53.721267] lkdtm: Performing direct entry EXEC_DATA r cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhu[ 53.729351] lkdtm: attempting ok execution at ffffffff8cce0340 b x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 52.0[ 53.742087] lkdtm: attempting bad execution at ffffffff8f620660 00662] CPU: 2 PID: 1123 Comm: cat Tainted: G D W 5.[ 53.754936] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 53.769468] BUG: unable to handle page fault for address: ffffffff8f620660 [ 53.777138] #PF: supervisor instruction fetch in kernel mode [ 53.783456] #PF: error_code(0x0011) - permissions violation [ 53.789678] PGD 21629067 P4D 21629067 PUD 2162a063 PMD 8000000022c000e3 [ 53.797170] Oops: 0011 [#5] SMP PTI [ 53.801061] CPU: 0 PID: 1630 Comm: cat Tainted: G D W 5.10.154-cip20 #1 [ 53.809710] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 53.816517] RIP: 0010:data_area+0x0/0x40 [ 53.820898] Code: ff ff 00 1d 3b 40 75 9e ff ff 00 1c 3b 40 75 9e 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 [ 53.841880] RSP: 0018:ffffb303c22efe48 EFLAGS: 00010246 [ 53.847714] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 53.855674] RDX: 0000000000000000 RSI: ffff9e75bac1bf70 RDI: ffff9e75bac1bf70 [ 53.863644] RBP: ffffffff8f620660 R08: 0000000000000000 R09: 0000000000000000 [ 53.871613] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 53.879572] R13: ffffb303c22eff10 R14: ffffb303c22eff10 R15: ffff9e7542bd8000 [ 53.887540] FS: 00007f16fc4b6580(0000) GS:ffff9e75bac00000(0000) knlGS:0000000000000000 [ 53.896576] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.902990] CR2: ffffffff8f620660 CR3: 0000000105b9a004 CR4: 00000000003706f0 [ 53.910959] Call Trace: [ 53.913687] ? execute_location+0x45/0x56 [ 53.918166] ? direct_entry.cold+0x2c/0x38 [ 53.922728] ? full_proxy_write+0x53/0x80 [ 53.927208] ? vfs_write+0xe7/0x3a0 [ 53.931099] ? ksys_write+0x68/0xf0 [ 53.934984] ? do_syscall_64+0x30/0x40 [ 53.939166] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 53.945002] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 53.971441] CR2: ffffffff8f620660 [ 53.975130] ---[ end trace ee95a40f003fd255 ]--- [ 53.980276] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 53.984651] Code: 89 ff e8 6e a3 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 06 94 02 [ 54.005632] RSP: 0018:ffffb303c154fe60 EFLAGS: 00010282 [ 54.011467] RAX: ffffffff8ccdff70 RBX: 0000000000000001 RCX: 0000000000000000 [ 54.019436] RDX: 0000000000000000 RSI: ffff9e75bad9bf70 RDI: ffffffff8d99bd90 [ 54.027405] RBP: ffffffff8dde7408 R08: 0000000000000001 R09: 0000000000000001 [ 54.035374] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 54.043342] R13: ffffb303c154ff10 R14: ffffb303c154ff10 R15: ffff9e754267b000 [ 54.051310] FS: 00007f16fc4b6580(0000) GS:ffff9e75bac00000(0000) knlGS:0000000000000000 [ 54.060349] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.066764] CR2: ffffffff8f620660 CR3: 0000000105b9a004 CR4: 00000000003706f0 [ 54.074733] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 54.084645] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1630, name: cat [ 54.093099] INFO: lockdep is turned off. [ 54.097472] irq event stamp: 0 [ 54.100878] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 54.107877] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 54.117004] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 54.126129] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 54.133127] CPU: 0 PID: 1630 Comm: cat Tainted: G D W 5.10.154-cip20 #1 [ 54.141768] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 54.148572] Call Trace: [ 54.151299] dump_stack+0x77/0x9b [ 54.155002] ___might_sleep.cold+0xa6/0xb6 [ 54.159576] exit_signals+0x1c/0x2e0 [ 54.163563] do_exit+0xd5/0xb00 [ 54.167057] ? ksys_write+0x68/0xf0 [ 54.170950] rewind_stack_do_exit+0x17/0x20 [ 54.175623] RIP: 0033:0x7f16fc3cc8f3 [ 54.179609] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 54.200593] RSP: 002b:00007ffeab2a9cb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 54.209050] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f16fc3cc8f3 [ 54.217017] RDX: 000000000000000a RSI: 00007f16fc2bf000 RDI: 0000000000000001 [ 54.224987] RBP: 00007f16fc2bf000 R08: 00007f16fc2be010 R09: 0000000000000000 [ 54.232955] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 54.240924] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 10.154-cip20 #1 # [ 52.009344] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 52.016151] RIP: 0010:native_write_cr4+0x45/0x60 # [ 52.021311] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d 04 a1 e3 01 00 75 f2 48 c7 c7 d0 b0 cc 8d c6 05 f4 a0 e3 01 01 e8 86 fc e7 00 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 # [ 52.042330] RSP: 0018:ffffb303c1b17e48 EFLAGS: 00010286 # [ 52.048168] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 0000000000000000 # [ 52.056141] RDX: ffff9e75bad2c660 RSI: ffff9e75bad1bf70 RDI: ffff9e75bad1bf70 # [ 52.064118] RBP: ffffffff8dd8be05 R08: 0000000000000000 R09: 0000000000000000 # [ 52.072120] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 52.080094] R13: ffffb303c1b17f10 R14: ffffb303c1b17f10 R15: ffff9e7543226000 # [ 52.088065] FS: 00007f9b8d946580(0000) GS:ffff9e75bad00000(0000) knlGS:0000000000000000 # [ 52.097107] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 52.103526] CR2: 00007f9b8d74f000 CR3: 00000001032fa006 CR4: 00000000003706e0 # [ 52.111501] Call Trace: # [ 52.120449] lkdtm_UNSET_SMEP.cold+0x1d/0x103 # [ 52.131535] direct_entry.cold+0x2c/0x38 # [ 52.142128] full_proxy_write+0x53/0x80 # [ 52.146443] vfs_write+0xe7/0x3a0 # [ 52.156360] ksys_write+0x68/0xf0 # [ 52.160094] do_syscall_64+0x30/0x40 # [ 52.164119] e[ 54.384752] lkdtm: Performing direct entry EXEC_STACK [ 54.391465] lkdtm: attempting ok execution at ffffffff8cce0340 [ 54.398000] lkdtm: attempting bad execution at ffffb303c235fe18 [ 54.404627] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 54.412992] BUG: unable to handle page fault for address: ffffb303c235fe18 [ 54.420673] #PF: supervisor instruction fetch in kernel mode [ 54.426992] #PF: error_code(0x0011) - permissions violation nt[ry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 52.169794] RIP: 0 54.433214] PGD 100000067 P4D 100000067 PUD 100211067 PMD 103320067 PTE 8000000103231063 [ 54.448471] Oops: 0011 [#6] SMP PTI [ 54.452363] CPU: 2 PID: 1666 Comm: cat Tainted: G D W 5.10.154-cip20 #1 [ 54.461012] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 54.467827] RIP: 0010:0xffffb303c235fe18 [ 54.472204] Code: 00 00 18 fe 35 c2 03 b3 ff ff ff 05 37 8d ff ff ff ff 20 00 00 00 00 00 00 00 2e bf d8 8d ff ff ff ff 2e 07 37 8d ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 [ 54.493184] RSP: 0018:ffffb303c235fdf8 EFLAGS: 00010246 [ 54.499007] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 54.506973] RDX: 0000000000000000 RSI: ffff9e75bad1bf70 RDI: ffff9e75bad1bf70 [ 54.514943] RBP: ffffb303c235fe18 R08: 0000000000000000 R09: 0000000000000000 [ 54.522911] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b [ 54.530879] R13: ffffb303c235ff10 R14: ffffb303c235ff10 R15: ffff9e754270c000 [ 54.538865] FS: 00007faf0d560580(0000) GS:ffff9e75bad00000(0000) knlGS:0000000000000000 033:0x7f9b8d85c8f3 # [ 52.173820] Code: 8b 15 a1 25 0e 00 f7 [ 54.547900] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.560528] CR2: ffffb303c235fe18 CR3: 0000000102be6005 CR4: 00000000003706e0 [ 54.568497] Call Trace: [ 54.571224] ? execute_location+0x45/0x56 [ 54.575697] ? lkdtm_EXEC_STACK+0x26/0x44 [ 54.580162] ? direct_entry.cold+0x2c/0x38 [ 54.584724] ? full_proxy_write+0x53/0x80 [ 54.589200] ? vfs_write+0xe7/0x3a0 [ 54.593091] ? ksys_write+0x68/0xf0 [ 54.596982] ? do_syscall_64+0x30/0x40 [ 54.601162] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 54.606998] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 0[ 54.633453] CR2: ffffb303c235fe18 [ 54.643361] ---[ end trace ee95a40f003fd256 ]--- [ 54.648514] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 54.652881] Code: 89 ff e8 6e a3 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 06 94 02 [ 54.673851] RSP: 0018:ffffb303c154fe60 EFLAGS: 00010282 [ 54.679705] RAX: ffffffff8ccdff70 RBX: 0000000000000001 RCX: 0000000000000000 [ 54.687672] RDX: 0000000000000000 RSI: ffff9e75bad9bf70 RDI: ffffffff8d99bd90 [ 54.695639] RBP: ffffffff8dde7408 R08: 0000000000000001 R09: 0000000000000001 [ 54.703609] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 54.711576] R13: ffffb303c154ff10 R14: ffffb303c154ff10 R15: ffff9e754267b000 [ 54.719543] FS: 00007faf0d560580(0000) GS:ffff9e75bad00000(0000) knlGS:0000000000000000 [ 54.728580] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.734994] CR2: ffffb303c235fe18 CR3: 0000000102be6005 CR4: 00000000003706e0 0 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 52.201040] RSP: 002b:00007ffd5a940028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 52.209513] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f9b8d85c8f3 # [ 52.223688] RDX: 000000000000000b RSI: 00007f9b8d74f000 RDI: 0000000000000001 # [ 52.231661] RBP: 00007f9b8d74f000 R08: 00007f9b8d74e010 R09: 0000000000000000 # [ 52.239634] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 52.247607] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 52.255583] irq event stamp: 0 # [ 52.259018] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 52.272228] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 52.281368] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 52.290537] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 52.297540] ---[ end trace ee95a40f003fd254 ]--- # [ 52.302695] lkdtm: ok: SMEP did not get cleared # [ 52.307755] lkdtm: trying to clear SMEP with call gadget # [ 52.313688] 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[ 54.868665] lkdtm: Performing direct entry EXEC_KMALLOC [ 54.879353] lkdtm: attempting ok execution at ffffffff8cce0340 .sh # [ 52.419502] lkdtm: Performing direct entry DOUBLE_FAUL[ 54.885895] lkdtm: attempting bad execution at ffff9e7546458ac0 [ 54.898746] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) T # [ 52.430535] lkdtm: XFAIL: this test is ia32-only # DOUB[ 54.907109] BUG: unable to handle page fault for address: ffff9e7546458ac0 [ 54.921002] #PF: supervisor instruction fetch in kernel mode [ 54.927320] #PF: error_code(0x0011) - permissions violation LE_[FAULT: saw 'XFAIL': [SKIP] ok 15 selftests: lkdtm: DOUBLE_FA 54.933541] PGD 22e01067 P4D 22e01067 PUD 10084e063 PMD 104c3e063 PTE 8000000106458063 [ 54.948605] Oops: 0011 [#7] SMP PTI [ 54.952497] CPU: 2 PID: 1702 Comm: cat Tainted: G D W 5.10.154-cip20 #1 [ 54.961145] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 54.967950] RIP: 0010:0xffff9e7546458ac0 [ 54.972318] Code: 00 00 02 00 00 00 00 00 00 00 00 8a 45 46 75 9e ff ff 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 1b 24 50 8c ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 [ 54.993297] RSP: 0018:ffffb303c23efe38 EFLAGS: 00010246 [ 54.999131] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 55.007098] RDX: 0000000000000000 RSI: ffff9e75bad1bf70 RDI: ffff9e75bad1bf70 [ 55.015064] RBP: ffff9e7546458ac0 R08: 0000000000000000 R09: 0000000000000000 [ 55.023035] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 55.031003] R13: ffffb303c23eff10 R14: ffffb303c23eff10 R15: ffff9e754324a000 [ 55.038980] FS: 00007f6d10a25580(0000) GS:ffff9e75bad00000(0000) knlGS:0000000000000000 [ 55.048017] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.054422] CR2: ffff9e7546458ac0 CR3: 000000010325a001 CR4: 00000000003706e0 [ 55.062390] Call Trace: [ 55.065119] ? execute_location+0x45/0x56 [ 55.069596] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 [ 55.074262] ? direct_entry.cold+0x2c/0x38 [ 55.078847] ? full_proxy_write+0x53/0x80 [ 55.083322] ? vfs_write+0xe7/0x3a0 [ 55.087213] ? ksys_write+0x68/0xf0 [ 55.091104] ? do_syscall_64+0x30/0x40 [ 55.095276] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 55.101111] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify ULT.sh # SKIP # selftests: lkdtm: CORRUPT_PAC.sh # [ 52.6041[ 55.127562] CR2: ffff9e7546458ac0 [ 55.137471] ---[ end trace ee95a40f003fd257 ]--- [ 55.142623] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 55.146997] Code: 89 ff e8 6e a3 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 06 94 02 [ 55.167976] RSP: 0018:ffffb303c154fe60 EFLAGS: 00010282 [ 55.173825] RAX: ffffffff8ccdff70 RBX: 0000000000000001 RCX: 0000000000000000 [ 55.181793] RDX: 0000000000000000 RSI: ffff9e75bad9bf70 RDI: ffffffff8d99bd90 [ 55.189762] RBP: ffffffff8dde7408 R08: 0000000000000001 R09: 0000000000000001 [ 55.197731] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 55.205700] R13: ffffb303c154ff10 R14: ffffb303c154ff10 R15: ffff9e754267b000 [ 55.213669] FS: 00007f6d10a25580(0000) GS:ffff9e75bad00000(0000) knlGS:0000000000000000 [ 55.222705] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.229121] CR2: ffff9e7546458ac0 CR3: 000000010325a001 CR4: 00000000003706e0 [ 55.237090] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 55.247002] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1702, name: cat [ 55.255456] INFO: lockdep is turned off. [ 55.259831] irq event stamp: 0 [ 55.263237] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 55.270226] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 55.279350] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 55.288483] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 55.295480] CPU: 2 PID: 1702 Comm: cat Tainted: G D W 5.10.154-cip20 #1 [ 55.304128] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 55.310931] Call Trace: [ 55.313658] dump_stack+0x77/0x9b [ 55.317356] ___might_sleep.cold+0xa6/0xb6 [ 55.321926] exit_signals+0x1c/0x2e0 [ 55.325913] do_exit+0xd5/0xb00 [ 55.329414] ? ksys_write+0x68/0xf0 [ 55.333307] rewind_stack_do_exit+0x17/0x20 [ 55.337974] RIP: 0033:0x7f6d1093b8f3 [ 55.341962] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 55.362932] RSP: 002b:00007ffede2060f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 55.371386] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f6d1093b8f3 [ 55.379353] RDX: 000000000000000d RSI: 00007f6d1082e000 RDI: 0000000000000001 [ 55.387318] RBP: 00007f6d1082e000 R08: 00007f6d1082d010 R09: 0000000000000000 [ 55.395285] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 55.403252] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 97] lkdtm: Performing direct entry CORRUPT_PAC # [ 52.615445] 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 # [ 52.717092] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 52.727405] 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 # [ 52.951834] lkdtm: Performing direct entry READ_AFTER_FREE # [ 52.958711] lkdtm: Value in memory before free: 12345678 # [ 52.970860] lkdtm: Attempting bad read from freed memory # [ 52.983011] lkdtm: Memory was not poisoned # READ_AFTER_FREE: missing 'call trace:': [FAIL] not ok 20 selftests: lkdtm: READ_AFTER_FREE.sh # exit=1 # selftest[ 55.526547] lkdtm: Performing direct entry EXEC_VMALLOC [ 55.535212] lkdtm: attempting ok execution at ffffffff8cce0340 [ 55.541759] lkdtm: attempting bad execution at ffffb303c0379000 [ 55.548407] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) s:[ lkdtm: WRITE_BUDDY_AFTER_FREE.sh # Skipping WRITE_BUDDY_AFTE 55.556780] BUG: unable to handle page fault for address: ffffb303c0379000 [ 55.570678] #PF: supervisor instruction fetch in kernel mode [ 55.576995] #PF: error_code(0x0011) - permissions violation R_[FREE: Corrupts memory on failure ok 21 selftests: lkdtm: WRIT 55.583214] PGD 100000067 P4D 100000067 PUD 100211067 PMD 1003be067 PTE 8000000105995063 [ 55.598472] Oops: 0011 [#8] SMP PTI [ 55.602362] CPU: 2 PID: 1738 Comm: cat Tainted: G D W 5.10.154-cip20 #1 [ 55.611009] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 55.617827] RIP: 0010:0xffffb303c0379000 [ 55.622204] Code: Unable to access opcode bytes at RIP 0xffffb303c0378fd6. [ 55.629881] RSP: 0018:ffffb303c246fe38 EFLAGS: 00010246 [ 55.635703] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 55.643672] RDX: 0000000000000000 RSI: ffff9e75bad1bf70 RDI: ffff9e75bad1bf70 [ 55.651638] RBP: ffffb303c0379000 R08: 0000000000000000 R09: 0000000000000000 [ 55.659605] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 55.667571] R13: ffffb303c246ff10 R14: ffffb303c246ff10 R15: ffff9e7545995000 [ 55.675540] FS: 00007fe283bf4580(0000) GS:ffff9e75bad00000(0000) knlGS:0000000000000000 [ 55.684575] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.690988] CR2: ffffb303c0378fd6 CR3: 0000000103460001 CR4: 00000000003706e0 [ 55.698955] Call Trace: [ 55.701683] ? execute_location+0x45/0x56 [ 55.706157] ? lkdtm_EXEC_VMALLOC+0x20/0x30 [ 55.710826] ? direct_entry.cold+0x2c/0x38 [ 55.715397] ? full_proxy_write+0x53/0x80 [ 55.719864] ? vfs_write+0xe7/0x3a0 [ 55.723798] ? ksys_write+0x68/0xf0 [ 55.727714] ? do_syscall_64+0x30/0x40 [ 55.731896] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 55.737733] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify E_BUDDY_AFTER_FREE.sh # SKIP # selftests: lkdtm: READ_BUDDY_AFT[ 55.764186] CR2: ffffb303c0379000 [ 55.774095] ---[ end trace ee95a40f003fd258 ]--- [ 55.779249] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 55.783617] Code: 89 ff e8 6e a3 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 06 94 02 [ 55.804596] RSP: 0018:ffffb303c154fe60 EFLAGS: 00010282 [ 55.810428] RAX: ffffffff8ccdff70 RBX: 0000000000000001 RCX: 0000000000000000 [ 55.818397] RDX: 0000000000000000 RSI: ffff9e75bad9bf70 RDI: ffffffff8d99bd90 [ 55.826365] RBP: ffffffff8dde7408 R08: 0000000000000001 R09: 0000000000000001 [ 55.834332] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 55.842300] R13: ffffb303c154ff10 R14: ffffb303c154ff10 R15: ffff9e754267b000 [ 55.850268] FS: 00007fe283bf4580(0000) GS:ffff9e75bad00000(0000) knlGS:0000000000000000 [ 55.859305] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.865721] CR2: ffffb303c0378fd6 CR3: 0000000103460001 CR4: 00000000003706e0 ER_FREE.sh # [ 53.102731] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 53.112394] lkdtm: Value in memory before free: 12345678 # [ 53.118385] lkdtm: Attempting to read from freed memory # [ 53.124235] lkdtm: Buddy page was not poisoned # READ_BUDDY_AFTER_FREE: missing 'call trace:': [FAIL] not ok 22 selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh # exit=1 # selftests: lkdtm: SLAB_FREE_DOUBLE.sh # [ 53.235994] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 53.247318] lkdtm: Attempting double slab free ... # SLAB_FREE_DOUBLE: missing 'call trace:': [FAIL] not ok 23 selftests: lkdtm: SLAB_FREE_DOUBLE.sh # exit=1 # selftests: lkdtm: SLAB_FREE_CROSS.sh # [ 53.357963] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 53.364443] lkdtm: Attempting cross-cache slab free ... # SLAB_FREE_CROSS: missing 'call trace:': [FAIL] not ok 24 selftests: lkdtm: SLAB_FREE_CROSS.sh # exit=1 # selftests: lkdtm: SLAB_FREE_PAGE.sh # [ 53.458847] lkdtm: Performing direct entry SLAB_FREE_[ 55.972756] lkdtm: Performing direct entry EXEC_RODATA PAGE # [ 53.469597] lkdtm: Attempting non-Slab slab free ... [ 55.978903] lkdtm: attempting ok execution at ffffffff8cce0340 # SLAB_FREE_PAGE: missing 'call trace:': [FAIL] not ok 25 self[ 55.991638] lkdtm: attempting bad execution at ffffffff8d99c220 tests: lkdtm: SLAB_FREE_PAGE.sh # exit=1 # selftests: lkdtm: SO[ 56.004465] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 56.019036] BUG: unable to handle page fault for address: ffffffff8d99c220 FTLOCKUP.sh # Skipping SOFTLOCKUP: Hangs the system ok 26 self[ 56.026717] #PF: supervisor instruction fetch in kernel mode [ 56.039250] #PF: error_code(0x0011) - permissions violation [ 56.045472] PGD 21629067 P4D 21629067 PUD 2162a063 PMD 8000000020e000e1 tests: lkdtm: SOFTLOCKUP.sh # SKIP # selftests: lkdtm: HARDLOCK[ 56.052959] Oops: 0011 [#9] SMP PTI [ 56.063060] CPU: 1 PID: 1774 Comm: cat Tainted: G D W 5.10.154-cip20 #1 [ 56.071707] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 56.078511] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 UP.sh # Skipping HARDLOCKUP: Hangs the system ok 27 selftests:[ 56.084248] Code: ff ff 9e 1b 37 8d ff ff ff ff 7a c1 d8 8d ff ff ff ff e4 02 37 8d ff ff ff ff 55 aa 55 aa 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 54 68 69 73 20 69 [ 56.111440] RSP: 0018:ffffb303c24e7e48 EFLAGS: 00010246 [ 56.117272] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 56.125238] RDX: 0000000000000000 RSI: ffff9e75bac9bf70 RDI: ffff9e75bac9bf70 [ 56.133207] RBP: ffffffff8d99c220 R08: 0000000000000000 R09: 0000000000000000 [ 56.141174] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 56.149141] R13: ffffb303c24e7f10 R14: ffffb303c24e7f10 R15: ffff9e754595e000 [ 56.157108] FS: 00007fce90d0b580(0000) GS:ffff9e75bac80000(0000) knlGS:0000000000000000 [ 56.166143] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.172557] CR2: ffffffff8d99c220 CR3: 0000000102796006 CR4: 00000000003706e0 [ 56.180525] Call Trace: [ 56.183252] ? execute_location+0x45/0x56 lkdtm: HARDLOCKUP.sh # SKIP # selftests: lkdtm: SPINLOCKUP.sh [ 56.187727] ? direct_entry.cold+0x2c/0x38 [ 56.198509] ? full_proxy_write+0x53/0x80 [ 56.202983] ? vfs_write+0xe7/0x3a0 [ 56.206880] ? ksys_write+0x68/0xf0 [ 56.210772] ? do_syscall_64+0x30/0x40 [ 56.214954] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # Skipping SPINLOCKUP: Hangs the system ok 28 selftests: lkdtm[ 56.220781] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 56.253413] CR2: ffffffff8d99c220 [ 56.257110] ---[ end trace ee95a40f003fd259 ]--- [ 56.262266] RIP: 0010:lkdtm_BUG+0x5/0x10 : SPINLOCKUP.sh # SKIP # selftests: lkdtm: HUNG_TASK.sh # Skip[ 56.266643] Code: 89 ff e8 6e a3 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 06 94 02 [ 56.293834] RSP: 0018:ffffb303c154fe60 EFLAGS: 00010282 [ 56.299658] RAX: ffffffff8ccdff70 RBX: 0000000000000001 RCX: 0000000000000000 [ 56.307626] RDX: 0000000000000000 RSI: ffff9e75bad9bf70 RDI: ffffffff8d99bd90 [ 56.315586] RBP: ffffffff8dde7408 R08: 0000000000000001 R09: 0000000000000001 [ 56.323544] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 56.331511] R13: ffffb303c154ff10 R14: ffffb303c154ff10 R15: ffff9e754267b000 [ 56.339478] FS: 00007fce90d0b580(0000) GS:ffff9e75bac80000(0000) knlGS:0000000000000000 [ 56.348513] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.354927] CR2: ffffffff8d99c220 CR3: 0000000102796006 CR4: 00000000003706e0 [ 56.362896] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 56.372805] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1774, name: cat [ 56.381257] INFO: lockdep is turned off. [ 56.385633] irq event stamp: 0 [ 56.389038] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 56.396029] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 56.405163] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 56.414296] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 56.421293] CPU: 1 PID: 1774 Comm: cat Tainted: G D W 5.10.154-cip20 #1 [ 56.429932] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 56.436734] Call Trace: [ 56.439463] dump_stack+0x77/0x9b ping HUNG_TASK: Hangs the system ok 29 selftests: lkdtm: HUNG_T[ 56.443163] ___might_sleep.cold+0xa6/0xb6 [ 56.453943] exit_signals+0x1c/0x2e0 ASK.sh # SKIP # selftests: lkdtm: EXEC_DATA.sh # Killed # [ [ 56.457933] do_exit+0xd5/0xb00 [ 56.467647] ? ksys_write+0x68/0xf0 [ 56.471539] rewind_stack_do_exit+0x17/0x20 53.721267] lkdtm: Performing direct entry EXEC_DATA # [ 53.7[ 56.476207] RIP: 0033:0x7fce90c218f3 [ 56.486408] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 56.507377] RSP: 002b:00007ffc1cb27f18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 56.515821] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fce90c218f3 [ 56.523789] RDX: 000000000000000c RSI: 00007fce90b14000 RDI: 0000000000000001 [ 56.531758] RBP: 00007fce90b14000 R08: 00007fce90b13010 R09: 0000000000000000 [ 56.539725] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 56.547693] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 29351] lkdtm: attempting ok execution at ffffffff8cce0340 # [ 53.742087] lkdtm: attempting bad execution at ffffffff8f620660 # [ 53.754936] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 53.769468] BUG: unable to handle page fault for address: ffffffff8f620660 # [ 53.777138] #PF: supervisor instruction fetch in kernel mode # [ 53.783456] #PF: error_code(0x0011) - permissions violation # [ 53.789678] PGD 21629067 P4D 21629067 PUD 2162a063 PMD 8000000022c000e3 # [ 53.797170] Oops: 0011 [#5] SMP PTI # [ 53.801061] CPU: 0 PID: 1630 Comm: cat Tainted: G D W 5.10.154-cip20 #1 # [ 53.809710] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 53.816517] RIP: 0010:data_area+0x0/0x40 # [ 53.820898] Code: ff ff 00 1d 3b 40 75 9e ff ff 00 1c 3b 40 75 9e 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 # [ 53.841880] RSP: 0018:ffffb303c22efe48 EFLAGS: 00010246 # [ 53.847714] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 53.855674] RDX: 0000[ 56.666700] lkdtm: Performing direct entry EXEC_USERSPACE 000000000000 RSI: ffff9e75bac1bf70 RDI: ffff9e75bac1bf70 # [ [ 56.673618] lkdtm: attempting ok execution at ffffffff8cce0340 53.863644] RBP: ffffffff8f620660 R08: 0000000000000000 R09: 0000[ 56.686373] lkdtm: attempting bad execution at 00007f3e25f6d000 000000000000 # [ 53.871613] R10: 00000000ffffe000 R11: 3fffff[ 56.699238] unable to execute userspace code (SMEP?) (uid: 0) [ 56.711816] BUG: unable to handle page fault for address: 00007f3e25f6d000 [ 56.719499] #PF: supervisor instruction fetch in kernel mode [ 56.725824] #PF: error_code(0x0011) - permissions violation [ 56.732047] PGD 80000001034b7067 P4D 80000001034b7067 PUD 1034b6067 PMD 1039ef067 PTE 10ab89067 [ 56.741778] Oops: 0011 [#10] SMP PTI [ 56.745768] CPU: 0 PID: 1810 Comm: cat Tainted: G D W 5.10.154-cip20 #1 [ 56.754416] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 56.761218] RIP: 0010:0x7f3e25f6d000 [ 56.765206] Code: Unable to access opcode bytes at RIP 0x7f3e25f6cfd6. [ 56.772495] RSP: 0018:ffffb303c2597e50 EFLAGS: 00010246 [ 56.778318] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 [ 56.786286] RDX: 0000000000000000 RSI: ffff9e75bac1bf70 RDI: ffff9e75bac1bf70 [ 56.794253] RBP: 00007f3e25f6d000 R08: 0000000000000000 R09: 0000000000000000 [ 56.802220] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f [ 56.810187] R13: ffffb303c2597f10 R14: ffffb303c2597f10 R15: ffff9e7542be6000 [ 56.818154] FS: 00007f3e25f3e580(0000) GS:ffff9e75bac00000(0000) knlGS:0000000000000000 [ 56.827191] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.833605] CR2: 00007f3e25f6d000 CR3: 0000000103830003 CR4: 00000000003706f0 [ 56.841572] Call Trace: [ 56.844301] ? lkdtm_EXEC_USERSPACE.cold+0x66/0xae [ 56.849655] ? direct_entry.cold+0x2c/0x38 [ 56.854218] ? full_proxy_write+0x53/0x80 [ 56.858692] ? vfs_write+0xe7/0x3a0 [ 56.862575] ? ksys_write+0x68/0xf0 [ 56.866459] ? do_syscall_64+0x30/0x40 [ 56.870642] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 56.876479] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 56.902916] CR2: 00007f3e25f6d000 [ 56.906612] ---[ end trace ee95a40f003fd25a ]--- [ 56.911766] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 56.916140] Code: 89 ff e8 6e a3 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 06 94 02 [ 56.937120] RSP: 0018:ffffb303c154fe60 EFLAGS: 00010282 [ 56.942943] RAX: ffffffff8ccdff70 RBX: 0000000000000001 RCX: 0000000000000000 [ 56.950910] RDX: 0000000000000000 RSI: ffff9e75bad9bf70 RDI: ffffffff8d99bd90 [ 56.958886] RBP: ffffffff8dde7408 R08: 0000000000000001 R09: 0000000000000001 [ 56.966868] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 56.974840] R13: ffffb303c154ff10 R14: ffffb303c154ff10 R15: ffff9e754267b000 [ 56.982827] FS: 00007f3e25f3e580(0000) GS:ffff9e75bac00000(0000) knlGS:0000000000000000 [ 56.991855] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.998270] CR2: 00007f3e25f6d000 CR3: 0000000103830003 CR4: 00000000003706f0 ffffffffff R12: 000000000000000a # [ 53.879572] R13: ffffb303c22eff10 R14: ffffb303c22eff10 R15: ffff9e7542bd8000 # [ 53.887540] FS: 00007f16fc4b6580(0000) GS:ffff9e75bac00000(0000) knlGS:0000000000000000 # [ 53.896576] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 53.902990] CR2: ffffffff8f620660 CR3: 0000000105b9a004 CR4: 00000000003706f0 # [ 53.910959] Call Trace: # [ 53.913687] ? execute_location+0x45/0x56 # [ 53.918166] ? direct_entry.cold+0x2c/0x38 # [ 53.922728] ? full_proxy_write+0x53/0x80 # [ 53.927208] ? vfs_write+0xe7/0x3a0 # [ 53.931099] ? ksys_write+0x68/0xf0 # [ 53.934984] ? do_syscall_64+0x30/0x40 # [ 53.939166] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 53.945002] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 53.971441] CR2: ffffffff8f620660 # [ 53.975130] ---[ end trace ee95a40f003fd255 ]--- # [ 53.980276] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 53.984651] Code: 89 ff e8 6e a3 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 06 94 02 # [ 54.005632] RSP: 0018:ffffb303c154fe60 EFLAGS: 00010282 # [ 54.011467] RAX: ffffffff8ccdff70 RBX: 0000000000000001 RCX: 0000000000000000 # [ 54.019436] RDX: 0000000000000000 RSI: ffff9e75bad9bf70 RDI: ffffffff8d99bd90 # [ 54.027405] RBP: ffffffff8dde7408 R08: 0000000000000001 R09: 0000000000000001 # [ 54.035374] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 54.043342] R13: ffffb30[ 57.178969] lkdtm: Performing direct entry EXEC_NULL 3c154ff10 R14: ffffb303c154ff10 R15: ffff9e754267b000 # [ 54.[ 57.185838] lkdtm: attempting ok execution at ffffffff8cce0340 051310] FS: 00007f16fc4b6580(0000) GS:ffff9e75bac00000(0000) kn[ 57.198573] lkdtm: attempting bad execution at 0000000000000000 lGS:0000000000000000 # [ 54.060349] CS: 0010 DS: 0000 ES: 00[ 57.211401] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 57.225384] #PF: supervisor instruction fetch in kernel mode [ 57.231703] #PF: error_code(0x0010) - not-present page [ 57.237438] PGD 0 P4D 0 [ 57.240261] Oops: 0010 [#11] SMP PTI [ 57.244248] CPU: 1 PID: 1846 Comm: cat Tainted: G D W 5.10.154-cip20 #1 [ 57.252894] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 57.259701] RIP: 0010:0x0 [ 57.262621] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. [ 57.270290] RSP: 0018:ffffb303c2627e48 EFLAGS: 00010246 [ 57.276122] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 57.284093] RDX: 0000000000000000 RSI: ffff9e75bac9bf70 RDI: ffff9e75bac9bf70 [ 57.292060] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 57.300026] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 57.307994] R13: ffffb303c2627f10 R14: ffffb303c2627f10 R15: ffff9e754133f000 [ 57.315964] FS: 00007f349a05d580(0000) GS:ffff9e75bac80000(0000) knlGS:0000000000000000 [ 57.324991] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.331407] CR2: ffffffffffffffd6 CR3: 0000000104ef4006 CR4: 00000000003706e0 [ 57.339373] Call Trace: [ 57.342102] execute_location+0x45/0x56 00 CR0: 0000000080050033 # [ 54.066764] CR2: ffffffff8f620660[ 57.346383] direct_entry.cold+0x2c/0x38 [ 57.356972] full_proxy_write+0x53/0x80 [ 57.361256] vfs_write+0xe7/0x3a0 CR3: 0000000105b9a004 CR4: 00000000003706f0 # [ 54.074733] B[ 57.364953] ksys_write+0x68/0xf0 [ 57.374862] do_syscall_64+0x30/0x40 UG: sleeping function called from invalid context at include/lin[ 57.378883] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 57.390734] RIP: 0033:0x7f3499f738f3 [ 57.394722] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 57.415703] RSP: 002b:00007ffc2bd67828 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 57.424156] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f3499f738f3 [ 57.432124] RDX: 000000000000000a RSI: 00007f3499e66000 RDI: 0000000000000001 [ 57.440091] RBP: 00007f3499e66000 R08: 00007f3499e65010 R09: 0000000000000000 [ 57.448057] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 57.456025] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ux/percpu-rwsem.h:49 # [ 54.084645] in_atomic(): 0, irqs_disa[ 57.463998] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 57.496632] CR2: 0000000000000000 [ 57.500328] ---[ end trace ee95a40f003fd25b ]--- [ 57.505483] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 57.509879] Code: 89 ff e8 6e a3 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 06 94 02 [ 57.530878] RSP: 0018:ffffb303c154fe60 EFLAGS: 00010282 [ 57.536713] RAX: ffffffff8ccdff70 RBX: 0000000000000001 RCX: 0000000000000000 [ 57.544680] RDX: 0000000000000000 RSI: ffff9e75bad9bf70 RDI: ffffffff8d99bd90 [ 57.552649] RBP: ffffffff8dde7408 R08: 0000000000000001 R09: 0000000000000001 [ 57.560618] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 57.568585] R13: ffffb303c154ff10 R14: ffffb303c154ff10 R15: ffff9e754267b000 [ 57.576555] FS: 00007f349a05d580(0000) GS:ffff9e75bac80000(0000) knlGS:0000000000000000 [ 57.585582] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.591998] CR2: ffffffffffffffd6 CR3: 0000000104ef4006 CR4: 00000000003706e0 [ 57.599968] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 57.609880] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1846, name: cat [ 57.618335] INFO: lockdep is turned off. [ 57.622709] irq event stamp: 0 [ 57.626114] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 57.633113] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 57.642245] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 57.651379] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 57.658376] CPU: 1 PID: 1846 Comm: cat Tainted: G D W 5.10.154-cip20 #1 [ 57.667024] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 57.673826] Call Trace: [ 57.676554] dump_stack+0x77/0x9b bled(): 1, non_block: 0, pid: 1630, name: cat # [ 54.093099] [ 57.680254] ___might_sleep.cold+0xa6/0xb6 [ 57.691038] exit_signals+0x1c/0x2e0 [ 57.695026] do_exit+0xd5/0xb00 [ 57.698530] ? ksys_write+0x68/0xf0 [ 57.702415] rewind_stack_do_exit+0x17/0x20 INFO: lockdep is turned off. # [ 54.097472] irq event stamp: [ 57.707083] RIP: 0033:0x7f3499f738f3 [ 57.717282] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 57.738262] RSP: 002b:00007ffc2bd67828 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 57.746718] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f3499f738f3 [ 57.754686] RDX: 000000000000000a RSI: 00007f3499e66000 RDI: 0000000000000001 [ 57.762653] RBP: 00007f3499e66000 R08: 00007f3499e65010 R09: 0000000000000000 [ 57.770620] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 57.778586] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0 # [ 54.100878] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 54.107877] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 54.117004] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 54.126129] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 54.133127] CPU: 0 PID: 1630 Comm: cat Tainted: G D W 5.10.154-cip20 #1 # [ 54.141768] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 54.148572] Call Trace: # [ 54.151299] dump_stack+0x77/0x9b # [ 54.155002] ___might_sleep.cold+0xa6/0xb6 # [ 54.159576] exit_signals+0x1c/0x2e0 # [ 54.163563] do_exit+0xd5/0xb00 # [ 54.167057] ? ksys_write+0x68/0xf0 # [ 54.170950] rewind_stack_do_exit+0x17/0x20 # [ 54.175623] RIP: 0033:0x7f16fc3cc8f3 # [ 54.179609] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 54.200593] RSP: 002b:00007ffeab2a9cb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 54.209050] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f16fc3cc8f3 # [ 54.217017] RDX: 000000000000000a RSI: 00007f16fc2bf000 RDI: 0000000000000001 # [ 54.224987] RBP: 00007f[ 57.912885] lkdtm: Performing direct entry ACCESS_USERSPACE 16fc2bf000 R08: 00007f16fc2be010 R09: 0000000000000000 # [ 54[ 57.923336] lkdtm: attempting bad read at 00007fdc3ff3c000 .232955] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 000000[ 57.935673] BUG: unable to handle page fault for address: 00007fdc3ff3c000 [ 57.949548] #PF: supervisor read access in kernel mode [ 57.955286] #PF: error_code(0x0001) - permissions violation 0000000001 # [ 54.240924] R13: 0000000000000001 R14: 00000000[ 57.961499] PGD 8000000104304067 P4D 8000000104304067 PUD 103464067 PMD 103537067 PTE 114afe067 [ 57.977437] Oops: 0001 [#12] SMP PTI 00020000 R15: 0000000000020000 # EXEC_DATA: saw 'call trace:': [ 57.981426] CPU: 1 PID: 1881 Comm: cat Tainted: G D W 5.10.154-cip20 #1 [ 57.996284] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 58.003091] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 ok ok 30 selftests: lkdtm: EXEC_DATA.sh # selftests: lkdtm: EX[ 58.009312] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 98 ce d8 8d e8 64 99 fd ff 48 c7 c7 c0 ce d8 8d b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 4b 99 fd ff 48 89 ee 48 c7 c7 e8 ce d8 [ 58.036500] RSP: 0018:ffffb303c26bfe48 EFLAGS: 00010246 [ 58.042333] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 [ 58.050302] RDX: 0000000000000000 RSI: ffff9e75bac9bf70 RDI: ffffffff8dd8cec0 [ 58.058260] RBP: 00007fdc3ff3c000 R08: 0000000000000000 R09: 0000000000000000 [ 58.066227] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 [ 58.074193] R13: ffffb303c26bff10 R14: ffffb303c26bff10 R15: ffff9e7542b08000 [ 58.082160] FS: 00007fdc3ff0d580(0000) GS:ffff9e75bac80000(0000) knlGS:0000000000000000 [ 58.091194] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.097607] CR2: 00007fdc3ff3c000 CR3: 00000001064d8005 CR4: 00000000003706e0 [ 58.105574] Call Trace: [ 58.108303] direct_entry.cold+0x2c/0x38 EC_STACK.sh # Killed # [ 54.384752] lkdtm: Performing direct[ 58.112682] full_proxy_write+0x53/0x80 [ 58.123173] vfs_write+0xe7/0x3a0 [ 58.126878] ksys_write+0x68/0xf0 [ 58.130575] do_syscall_64+0x30/0x40 [ 58.134563] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 58.140193] RIP: 0033:0x7fdc3fe238f3 [ 58.144170] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 58.165148] RSP: 002b:00007ffcd4905a48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 58.173600] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007fdc3fe238f3 [ 58.181569] RDX: 0000000000000011 RSI: 00007fdc3fd16000 RDI: 0000000000000001 [ 58.189537] RBP: 00007fdc3fd16000 R08: 00007fdc3fd15010 R09: 0000000000000000 [ 58.197502] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 58.205469] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 entry EXEC_STACK # [ 54.391465] lkdtm: attempting ok executi[ 58.213438] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 58.246071] CR2: 00007fdc3ff3c000 [ 58.249765] ---[ end trace ee95a40f003fd25c ]--- [ 58.254920] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 58.259295] Code: 89 ff e8 6e a3 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 06 94 02 [ 58.280272] RSP: 0018:ffffb303c154fe60 EFLAGS: 00010282 [ 58.286104] RAX: ffffffff8ccdff70 RBX: 0000000000000001 RCX: 0000000000000000 [ 58.294070] RDX: 0000000000000000 RSI: ffff9e75bad9bf70 RDI: ffffffff8d99bd90 [ 58.302036] RBP: ffffffff8dde7408 R08: 0000000000000001 R09: 0000000000000001 [ 58.310003] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 58.317968] R13: ffffb303c154ff10 R14: ffffb303c154ff10 R15: ffff9e754267b000 [ 58.325936] FS: 00007fdc3ff0d580(0000) GS:ffff9e75bac80000(0000) knlGS:0000000000000000 [ 58.334972] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.341385] CR2: 00007fdc3ff3c000 CR3: 00000001064d8005 CR4: 00000000003706e0 on at ffffffff8cce0340 # [ 54.398000] lkdtm: attempting bad execution at ffffb303c235fe18 # [ 54.404627] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 54.412992] BUG: unable to handle page fault for address: ffffb303c235fe18 # [ 54.420673] #PF: supervisor instruction fetch in kernel mode # [ 54.426992] #PF: error_code(0x0011) - permissions violation # [ 54.433214] PGD 100000067 P4D 100000067 PUD 100211067 PMD 103320067 PTE 8000000103231063 # [ 54.448471] Oops: 0011 [#6] SMP PTI # [ 54.452363] CPU: 2 PID: 1666 Comm: cat Tainted: G D W 5.10.154-cip20 #1 # [ 54.461012] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 54.467827] RIP: 0010:0xffffb303c235fe18 # [ 54.472204] Code: 00 00 18 fe 35 c2 03 b3 ff ff ff 05 37 8d ff ff ff ff 20 00 00 00 00 00 00 00 2e bf d8 8d ff ff ff ff 2e 07 37 8d ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 # [ 54.493184] RSP: 0018:ffffb303c235fdf8 EFLAGS: 00010246 # [ 54.499007] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 54.506973] RDX: 0000000000000000 RSI: f[ 58.455459] lkdtm: Performing direct entry ACCESS_NULL [ 58.466974] lkdtm: attempting bad read at 0000000000000000 [ 58.473112] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 58.480892] #PF: supervisor read access in kernel mode [ 58.486629] #PF: error_code(0x0000) - not-present page [ 58.492365] PGD 0 P4D 0 fff9e75bad1bf70 RDI: ffff9e75bad1bf70 # [ 54.514943] RBP: fff[ 58.495191] Oops: 0000 [#13] SMP PTI [ 58.505389] CPU: 3 PID: 1916 Comm: cat Tainted: G D W 5.10.154-cip20 #1 fb303c235fe18 R08: 0000000000000000 R09: 0000000000000000 # [ [ 58.514038] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 58.527058] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 [ 58.532308] Code: 08 99 fd ff be 00 10 00 00 48 89 ef e8 e7 6c 39 ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 98 ce d8 8d e8 e2 98 fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 c0 ce d8 8d 48 01 [ 58.553275] RSP: 0018:ffffb303c2737e58 EFLAGS: 00010246 [ 58.559100] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 [ 58.567070] RDX: 0000000000000000 RSI: ffff9e75bad9bf70 RDI: ffff9e75bad9bf70 [ 58.575037] RBP: ffffffff8dd8bf89 R08: 0000000000000000 R09: 0000000000000000 [ 58.583006] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 58.590974] R13: ffffb303c2737f10 R14: ffffb303c2737f10 R15: ffff9e75434a6000 [ 58.598942] FS: 00007fca1eda8580(0000) GS:ffff9e75bad80000(0000) knlGS:0000000000000000 [ 58.607976] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.614390] CR2: 0000000000000000 CR3: 0000000105b9a001 CR4: 00000000003706e0 [ 58.622356] Call Trace: [ 58.625084] direct_entry.cold+0x2c/0x38 [ 58.629461] full_proxy_write+0x53/0x80 [ 58.633743] vfs_write+0xe7/0x3a0 [ 58.637440] ksys_write+0x68/0xf0 [ 58.641128] do_syscall_64+0x30/0x40 [ 58.645116] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 58.650755] RIP: 0033:0x7fca1ecbe8f3 [ 58.654741] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 58.675718] RSP: 002b:00007ffca1192828 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 58.684170] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fca1ecbe8f3 [ 58.692137] RDX: 000000000000000c RSI: 00007fca1ebb1000 RDI: 0000000000000001 [ 58.700102] RBP: 00007fca1ebb1000 R08: 00007fca1ebb0010 R09: 0000000000000000 [ 58.708069] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 58.716034] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 58.724004] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 54.522911] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000[ 58.750455] CR2: 0000000000000000 [ 58.760364] ---[ end trace ee95a40f003fd25d ]--- [ 58.765517] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 58.769892] Code: 89 ff e8 6e a3 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 06 94 02 [ 58.790881] RSP: 0018:ffffb303c154fe60 EFLAGS: 00010282 [ 58.796714] RAX: ffffffff8ccdff70 RBX: 0000000000000001 RCX: 0000000000000000 [ 58.804681] RDX: 0000000000000000 RSI: ffff9e75bad9bf70 RDI: ffffffff8d99bd90 [ 58.812648] RBP: ffffffff8dde7408 R08: 0000000000000001 R09: 0000000000000001 [ 58.820614] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 58.828580] R13: ffffb303c154ff10 R14: ffffb303c154ff10 R15: ffff9e754267b000 [ 58.836549] FS: 00007fca1eda8580(0000) GS:ffff9e75bad80000(0000) knlGS:0000000000000000 [ 58.845576] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.851988] CR2: 0000000000000000 CR3: 0000000105b9a001 CR4: 00000000003706e0 [ 58.859955] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 58.869882] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1916, name: cat [ 58.878336] INFO: lockdep is turned off. [ 58.882710] irq event stamp: 0 [ 58.886113] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 58.893110] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 58.902243] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 58.911374] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 58.918371] CPU: 3 PID: 1916 Comm: cat Tainted: G D W 5.10.154-cip20 #1 [ 58.927007] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 58.933824] Call Trace: [ 58.936551] dump_stack+0x77/0x9b [ 58.940249] ___might_sleep.cold+0xa6/0xb6 [ 58.944826] exit_signals+0x1c/0x2e0 000000000000b # [ 54.530879] R13: ffffb303c235ff10 R14: ffffb[ 58.948815] do_exit+0xd5/0xb00 [ 58.958528] ? ksys_write+0x68/0xf0 [ 58.962420] rewind_stack_do_exit+0x17/0x20 [ 58.967088] RIP: 0033:0x7fca1ecbe8f3 [ 58.971075] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 58.992052] RSP: 002b:00007ffca1192828 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 59.000506] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fca1ecbe8f3 [ 59.008473] RDX: 000000000000000c RSI: 00007fca1ebb1000 RDI: 0000000000000001 [ 59.016439] RBP: 00007fca1ebb1000 R08: 00007fca1ebb0010 R09: 0000000000000000 [ 59.024407] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 59.032374] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 303c235ff10 R15: ffff9e754270c000 # [ 54.538865] FS: 00007faf0d560580(0000) GS:ffff9e75bad00000(0000) knlGS:0000000000000000 # [ 54.547900] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.560528] CR2: ffffb303c235fe18 CR3: 0000000102be6005 CR4: 00000000003706e0 # [ 54.568497] Call Trace: # [ 54.571224] ? execute_location+0x45/0x56 # [ 54.575697] ? lkdtm_EXEC_STACK+0x26/0x44 # [ 54.580162] ? direct_entry.cold+0x2c/0x38 # [ 54.584724] ? full_proxy_write+0x53/0x80 # [ 54.589200] ? vfs_write+0xe7/0x3a0 # [ 54.593091] ? ksys_write+0x68/0xf0 # [ 54.596982] ? do_syscall_64+0x30/0x40 # [ 54.601162] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 54.606998] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 54.633453] CR2: ffffb303c235fe18 # [ 54.643361] ---[ end trace ee95a40f003fd256 ]--- # [ 54.648514] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 54.652881] Code: 89 ff e8 6e a3 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc [ 59.158314] lkdtm: Performing direct entry WRITE_RO [ 59.163912] lkdtm: attempting bad rodata write at ffffffff8d99c210 [ 59.170835] BUG: unable to handle page fault for address: ffffffff8d99c210 cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84[ 59.178514] #PF: supervisor write access in kernel mode [ 59.190562] #PF: error_code(0x0003) - permissions violation [ 59.196786] PGD 21629067 P4D 21629067 PUD 2162a063 PMD 8000000020e000e1 [ 59.204277] Oops: 0003 [#14] SMP PTI [ 59.208258] CPU: 3 PID: 1951 Comm: cat Tainted: G D W 5.10.154-cip20 #1 [ 59.216908] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 59.223714] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a 00 00 00 00 00 0f 1f 44 00 00 83 05 a0 06 94 02 # [ 54.67385[ 59.228674] Code: 00 48 c7 c7 78 cd d8 8d 48 c7 c6 10 c2 99 8d e8 8c 9b fd ff 48 8b 05 e1 bb 62 00 ba 34 12 cd ab 48 c7 c7 a8 cd d8 8d 48 31 d0 <48> 89 05 cb bb 62 00 e9 6a 9b fd ff 0f 1f 44 00 00 48 8b 05 da 8c [ 59.255882] RSP: 0018:ffffb303c27cfe60 EFLAGS: 00010202 [ 59.261715] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 [ 59.269682] RDX: 00000000abcd1234 RSI: ffff9e75bad9bf70 RDI: ffffffff8dd8cda8 [ 59.277647] RBP: ffffffff8dd8bf95 R08: 0000000000000000 R09: 0000000000000000 [ 59.285615] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 [ 59.293583] R13: ffffb303c27cff10 R14: ffffb303c27cff10 R15: ffff9e7545b31000 [ 59.301551] FS: 00007f00f9618580(0000) GS:ffff9e75bad80000(0000) knlGS:0000000000000000 [ 59.310587] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.317000] CR2: ffffffff8d99c210 CR3: 00000001039bc006 CR4: 00000000003706e0 [ 59.324968] Call Trace: [ 59.327695] direct_entry.cold+0x2c/0x38 [ 59.332074] full_proxy_write+0x53/0x80 [ 59.336353] vfs_write+0xe7/0x3a0 [ 59.340050] ksys_write+0x68/0xf0 [ 59.343747] do_syscall_64+0x30/0x40 [ 59.347735] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 59.353366] RIP: 0033:0x7f00f952e8f3 [ 59.357345] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 59.378315] RSP: 002b:00007ffca693dbe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 59.386766] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f00f952e8f3 [ 59.394732] RDX: 0000000000000009 RSI: 00007f00f9421000 RDI: 0000000000000001 [ 59.402701] RBP: 00007f00f9421000 R08: 00007f00f9420010 R09: 0000000000000000 [ 59.410669] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 59.418637] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 59.426608] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 1] RSP: 0018:ffffb303c154fe60 EFLAGS: 00010282 # [ 54.679705][ 59.453056] CR2: ffffffff8d99c210 [ 59.462964] ---[ end trace ee95a40f003fd25e ]--- [ 59.468117] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 59.472493] Code: 89 ff e8 6e a3 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 06 94 02 [ 59.493469] RSP: 0018:ffffb303c154fe60 EFLAGS: 00010282 [ 59.499300] RAX: ffffffff8ccdff70 RBX: 0000000000000001 RCX: 0000000000000000 [ 59.507266] RDX: 0000000000000000 RSI: ffff9e75bad9bf70 RDI: ffffffff8d99bd90 [ 59.515233] RBP: ffffffff8dde7408 R08: 0000000000000001 R09: 0000000000000001 [ 59.523199] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 59.531164] R13: ffffb303c154ff10 R14: ffffb303c154ff10 R15: ffff9e754267b000 [ 59.539132] FS: 00007f00f9618580(0000) GS:ffff9e75bad80000(0000) knlGS:0000000000000000 [ 59.548170] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.554585] CR2: ffffffff8d99c210 CR3: 00000001039bc006 CR4: 00000000003706e0 RAX: ffffffff8ccdff70 RBX: 0000000000000001 RCX: 0000000000000000 # [ 54.687672] RDX: 0000000000000000 RSI: ffff9e75bad9bf70 RDI: ffffffff8d99bd90 # [ 54.695639] RBP: ffffffff8dde7408 R08: 0000000000000001 R09: 0000000000000001 # [ 54.703609] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 54.711576] R13: ffffb303c154ff10 R14: ffffb303c154ff10 R15: ffff9e754267b000 # [ 54.719543] FS: 00007faf0d560580(0000) GS:ffff9e75bad00000(0000) knlGS:0000000000000000 # [ 54.728580] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.734994] CR2: ffffb303c235fe18 CR3: 0000000102be6005 CR4: 00000000003706e0 # EXEC_STACK: saw 'call trace:': ok ok 31 selftests: lkdtm: EXEC_STACK.sh # selftests: lkdtm: EXEC_KMALLOC.sh # Killed # [ 54.868665] lkdtm: Performing direct entry EXEC_KMALLOC # [ 54.879353] lkdtm: attempting ok execution at ffffffff8cce0340 # [ 54.885895] lkdtm: attempting bad execution at ffff9e7546458ac0 # [ 54.898746] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 54.907109] BUG: una[ 59.665038] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT ble to handle page fault for address: ffff9e7546458ac0 # [ 54[ 59.674763] lkdtm: attempting bad ro_after_init write at ffffffff8de09330 .921002] #PF: supervisor instruction fetch in kernel mode # [ [ 59.688574] BUG: unable to handle page fault for address: ffffffff8de09330 [ 59.702449] #PF: supervisor write access in kernel mode [ 59.708275] #PF: error_code(0x0003) - permissions violation [ 59.714504] PGD 21629067 P4D 21629067 PUD 2162a063 PMD 104c39063 PTE 8000000021409061 54.927320] #PF: error_code(0x0011) - permissions violation # [[ 59.723257] Oops: 0003 [#15] SMP PTI [ 59.733456] CPU: 1 PID: 1986 Comm: cat Tainted: G D W 5.10.154-cip20 #1 [ 59.742103] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 59.748907] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a 54.933541] PGD 22e01067 P4D 22e01067 PUD 10084e063 PMD 104c3e[ 59.754935] Code: cd d8 8d e9 3e 9b fd ff 48 c7 c7 00 ce d8 8d e8 32 9b fd ff 48 8b 05 a7 8c a9 00 ba 34 12 cd ab 48 c7 c7 a8 cd d8 8d 48 31 d0 <48> 89 05 91 8c a9 00 e9 10 9b fd ff 0f 1f 44 00 00 41 54 48 c7 c7 [ 59.782124] RSP: 0018:ffffb303c2877e60 EFLAGS: 00010202 [ 59.787957] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 [ 59.795924] RDX: 00000000abcd1234 RSI: ffff9e75bac9bf70 RDI: ffffffff8dd8cda8 [ 59.803891] RBP: ffffffff8dd8bf9e R08: 0000000000000000 R09: 0000000000000000 [ 59.811878] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 [ 59.819845] R13: ffffb303c2877f10 R14: ffffb303c2877f10 R15: ffff9e7543325000 [ 59.827827] FS: 00007fa04225c580(0000) GS:ffff9e75bac80000(0000) knlGS:0000000000000000 [ 59.836876] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.843289] CR2: ffffffff8de09330 CR3: 0000000102bec002 CR4: 00000000003706e0 [ 59.851258] Call Trace: [ 59.853984] direct_entry.cold+0x2c/0x38 [ 59.858363] full_proxy_write+0x53/0x80 063 PTE 8000000106458063 # [ 54.948605] Oops: 0011 [#7] SMP P[ 59.862646] vfs_write+0xe7/0x3a0 [ 59.872553] ksys_write+0x68/0xf0 [ 59.876249] do_syscall_64+0x30/0x40 [ 59.880228] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 59.885881] RIP: 0033:0x7fa0421728f3 [ 59.889879] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 59.910856] RSP: 002b:00007ffed1008558 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 TI # [ 54.952497] CPU: 2 PID: 1702 Comm: cat Tainted: G [ 59.919332] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007fa0421728f3 [ 59.933513] RDX: 0000000000000014 RSI: 00007fa042065000 RDI: 0000000000000001 [ 59.941479] RBP: 00007fa042065000 R08: 00007fa042064010 R09: 0000000000000000 [ 59.949446] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 59.957414] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 D W 5.10.154-cip20 #1 # [ 54.961145] Hardware name: G[ 59.965385] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 59.998016] CR2: ffffffff8de09330 [ 60.001712] ---[ end trace ee95a40f003fd25f ]--- [ 60.006877] RIP: 0010:lkdtm_BUG+0x5/0x10 oogle Rammus/Rammus, BIOS 09/04/2020 # [ 54.967950] RIP: 001[ 60.011259] Code: 89 ff e8 6e a3 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 06 94 02 [ 60.038449] RSP: 0018:ffffb303c154fe60 EFLAGS: 00010282 [ 60.044284] RAX: ffffffff8ccdff70 RBX: 0000000000000001 RCX: 0000000000000000 [ 60.052252] RDX: 0000000000000000 RSI: ffff9e75bad9bf70 RDI: ffffffff8d99bd90 [ 60.060218] RBP: ffffffff8dde7408 R08: 0000000000000001 R09: 0000000000000001 [ 60.068185] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 60.076153] R13: ffffb303c154ff10 R14: ffffb303c154ff10 R15: ffff9e754267b000 [ 60.084120] FS: 00007fa04225c580(0000) GS:ffff9e75bac80000(0000) knlGS:0000000000000000 [ 60.093157] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.099570] CR2: ffffffff8de09330 CR3: 0000000102bec002 CR4: 00000000003706e0 [ 60.107538] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 60.117449] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1986, name: cat [ 60.125902] INFO: lockdep is turned off. [ 60.130277] irq event stamp: 0 [ 60.133682] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 60.140670] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 60.149825] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 60.158956] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 60.165952] CPU: 1 PID: 1986 Comm: cat Tainted: G D W 5.10.154-cip20 #1 [ 60.174600] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 60.181402] Call Trace: [ 60.184129] dump_stack+0x77/0x9b [ 60.187829] ___might_sleep.cold+0xa6/0xb6 0:0xffff9e7546458ac0 # [ 54.972318] Code: 00 00 02 00 00 00 0[ 60.192401] exit_signals+0x1c/0x2e0 [ 60.202600] do_exit+0xd5/0xb00 [ 60.206103] ? ksys_write+0x68/0xf0 [ 60.209996] rewind_stack_do_exit+0x17/0x20 [ 60.214664] RIP: 0033:0x7fa0421728f3 [ 60.218651] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 60.239632] RSP: 002b:00007ffed1008558 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 60.248086] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007fa0421728f3 [ 60.256052] RDX: 0000000000000014 RSI: 00007fa042065000 RDI: 0000000000000001 [ 60.264019] RBP: 00007fa042065000 R08: 00007fa042064010 R09: 0000000000000000 [ 60.271986] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 60.279952] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0 00 00 00 00 8a 45 46 75 9e ff ff 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 1b 24 50 8c ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 # [ 54.993297] RSP: 0018:ffffb303c23efe38 EFLAGS: 00010246 # [ 54.999131] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 55.007098] RDX: 0000000000000000 RSI: ffff9e75bad1bf70 RDI: ffff9e75bad1bf70 # [ 55.015064] RBP: ffff9e7546458ac0 R08: 0000000000000000 R09: 0000000000000000 # [ 55.023035] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 55.031003] R13: ffffb303c23eff10 R14: ffffb303c23eff10 R15: ffff9e754324a000 # [ 55.038980] FS: 00007f6d10a25580(0000) GS:ffff9e75bad00000(0000) knlGS:0000000000000000 # [ 55.048017] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.054422] CR2: ffff9e7546458ac0 CR3: 000000010325a001 CR4: 00000000003706e0 # [ 55.062390] Call Trace: # [ 55.065119] ? execute_location+0x45/0x56 # [ 55.069596] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 # [ 55.074262] ? direct_entry.cold+0x2c/0x38 # [ 55.078847] ? full_proxy_write+0x53/0x80 # [ 55.083322] ? vfs_write+0xe7/0x3a0 # [ 55.087213] ? ksys_write+0x68/0xf0 # [ 55.091104] ? do_syscall_64+0x30/0x40 # [ 55.095276] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 55.101111] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core[ 60.420329] lkdtm: Performing direct entry WRITE_KERN industrialio_triggered_buffer kfifo_buf industrialio cros_ec_li[ 60.430330] lkdtm: attempting bad 6881897 byte write at ffffffff8d3705a9 ghtbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sen[ 60.444034] BUG: unable to handle page fault for address: ffffffff8d3705a9 [ 60.457915] #PF: supervisor write access in kernel mode sorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ [ 60.463749] #PF: error_code(0x0003) - permissions violation 5[5.127562] CR2: ffff9e7546458ac0 # [ 55.137471] ---[ end tra 60.476182] PGD 21629067 P4D 21629067 PUD 2162a063 PMD 208000e1 [ 60.489108] Oops: 0003 [#16] SMP PTI [ 60.493098] CPU: 1 PID: 2021 Comm: cat Tainted: G D W 5.10.154-cip20 #1 [ 60.501747] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 60.508553] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e ce ee95a40f003fd257 ]--- # [ 55.142623] RIP: 0010:lkdtm_BUG+0[ 60.513707] Code: 53 48 c7 c3 a9 05 37 8d 49 89 dc 48 89 da 49 81 ec 40 03 ce 8c 4c 89 e6 e8 e5 9a fd ff 48 89 df 4c 89 e1 48 c7 c6 40 03 ce 8c a4 48 c7 c7 a8 cd d8 8d e8 ca 9a fd ff 5b 41 5c e9 b7 fe ff ff [ 60.540900] RSP: 0018:ffffb303c28f7e50 EFLAGS: 00010246 [ 60.546733] RAX: 000000000000003c RBX: ffffffff8d3705a9 RCX: 0000000000690269 [ 60.554699] RDX: 0000000000000000 RSI: ffffffff8cce0340 RDI: ffffffff8d3705a9 [ 60.562666] RBP: ffffffff8dd8bfb2 R08: 0000000000000000 R09: 0000000000000000 [ 60.570634] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000690269 [ 60.578602] R13: ffffb303c28f7f10 R14: ffffb303c28f7f10 R15: ffff9e75432ba000 [ 60.586569] FS: 00007fcda0025580(0000) GS:ffff9e75bac80000(0000) knlGS:0000000000000000 [ 60.595604] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.602018] CR2: ffffffff8d3705a9 CR3: 00000001034fc006 CR4: 00000000003706e0 [ 60.609985] Call Trace: [ 60.612713] direct_entry.cold+0x2c/0x38 x5/0x10 # [ 55.146997] Code: 89 ff e8 6e a3 a3 ff 48 c7 c0 ea[ 60.617092] full_proxy_write+0x53/0x80 [ 60.627583] vfs_write+0xe7/0x3a0 ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 [ 60.631282] ksys_write+0x68/0xf0 [ 60.641192] do_syscall_64+0x30/0x40 [ 60.645181] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 60.650826] RIP: 0033:0x7fcd9ff3b8f3 [ 60.654825] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 60.675827] RSP: 002b:00007fff4dfbacb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 60.684281] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007fcd9ff3b8f3 [ 60.692249] RDX: 000000000000000b RSI: 00007fcd9fe2e000 RDI: 0000000000000001 [ 60.700219] RBP: 00007fcd9fe2e000 R08: 00007fcd9fe2d010 R09: 0000000000000000 [ 60.708185] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 60.716152] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00[ 60.724123] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 60.756752] CR2: ffffffff8d3705a9 [ 60.760448] ---[ end trace ee95a40f003fd260 ]--- [ 60.765602] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 60.769977] Code: 89 ff e8 6e a3 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 06 94 02 [ 60.790955] RSP: 0018:ffffb303c154fe60 EFLAGS: 00010282 [ 60.796788] RAX: ffffffff8ccdff70 RBX: 0000000000000001 RCX: 0000000000000000 [ 60.804756] RDX: 0000000000000000 RSI: ffff9e75bad9bf70 RDI: ffffffff8d99bd90 [ 60.812723] RBP: ffffffff8dde7408 R08: 0000000000000001 R09: 0000000000000001 [ 60.820690] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 60.828658] R13: ffffb303c154ff10 R14: ffffb303c154ff10 R15: ffff9e754267b000 [ 60.836624] FS: 00007fcda0025580(0000) GS:ffff9e75bac80000(0000) knlGS:0000000000000000 [ 60.845660] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.852073] CR2: ffffffff8d3705a9 CR3: 00000001034fc006 CR4: 00000000003706e0 0f 1f 44 00 00 83 05 a0 06 94 02 # [ 55.167976] RSP: 0018:ffffb303c154fe60 EFLAGS: 00010282 # [ 55.173825] RAX: ffffffff8ccdff70 RBX: 0000000000000001 RCX: 0000000000000000 # [ 55.181793] RDX: 0000000000000000 RSI: ffff9e75bad9bf70 RDI: ffffffff8d99bd90 # [ 55.189762] RBP: ffffffff8dde7408 R08: 0000000000000001 R09: 0000000000000001 # [ 55.197731] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 55.205700] R13: ffffb303c154ff10 R14: ffffb303c154ff10 R15: ffff9e754267b000 # [ 55.213669] FS: 00007f6d10a25580(0000) GS:ffff9e75bad00000(0000) knlGS:0000000000000000 # [ 55.222705] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.229121] CR2: ffff9e7546458ac0 CR3: 000000010325a001 CR4: 00000000003706e0 # [ 55.237090] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 55.247002] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1702, name: cat # [ 55.255456] INFO: lockdep is turned off. # [ 55.259831] irq event stamp: 0 # [ 55.263237] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 55.270226] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 55.279350] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 55.288483] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 55.295480] CPU: 2 PID[ 60.993891] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW : 1702 Comm: cat Tainted: G D W 5.10.154-cip20 #1 [ 61.003652] lkdtm: attempting good refcount_inc() without overflow # [ 55.304128] Hardware name: Google Rammus/Rammus, BIOS 09/0[ 61.016753] lkdtm: attempting bad refcount_inc() overflow [ 61.028992] ------------[ cut here ]------------ 4/2020 # [ 55.310931] Call Trace: # [ 55.313658] dump_sta[ 61.034148] refcount_t: saturated; leaking memory. ck+0x77/0x9b # [ 55.317356] ___might_sleep.cold+0xa6/0xb6 #[ 61.045739] WARNING: CPU: 1 PID: 2056 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 [ 55.321926] exit_signals+0x1c/0x2e0 # [ 55.325913] do_e[ 61.061352] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify xit+0xd5/0xb00 # [ 55.329414] ? ksys_write+0x68/0xf0 # [ [ 61.093988] CPU: 1 PID: 2056 Comm: cat Tainted: G D W 5.10.154-cip20 #1 [ 61.108864] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 55.333307] rewind_stack_do_exit+0x17/0x20 # [ 55.337974] RIP[ 61.115702] RIP: 0010:refcount_warn_saturate+0x51/0x110 : 0033:0x7f6d1093b8f3 # [ 55.341962] Code: 8b 15 a1 25 0e 00 [ 61.127752] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 91 40 94 01 00 75 ee 48 c7 c7 00 79 d2 8d c6 05 81 40 94 01 01 e8 2a 9b 98 00 <0f> 0b c3 cc cc cc cc 80 3d 6d 40 94 01 00 75 cb 48 c7 c7 28 79 d2 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 1[ 61.154946] RSP: 0018:ffffb303c296fe48 EFLAGS: 00010286 8 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff [ 61.166995] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 [ 61.181182] RDX: ffff9e75bacac660 RSI: ffff9e75bac9bf70 RDI: ffff9e75bac9bf70 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 55.362932[ 61.189154] RBP: ffffffff8dd8bfbd R08: 0000000000000000 R09: 0000000000000000 ] RSP: 002b:00007ffede2060f8 EFLAGS: 00000246 ORIG_RAX: 00000000[ 61.203360] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 00000001 # [ 55.371386] RAX: ffffffffffffffda RBX: 0000000000[ 61.217525] R13: ffffb303c296ff10 R14: ffffb303c296ff10 R15: ffff9e75434e6000 [ 61.231711] FS: 00007f9c4babb580(0000) GS:ffff9e75bac80000(0000) knlGS:0000000000000000 00000d RCX: 00007f6d1093b8f3 # [ 55.379353] RDX: 000000000000[ 61.240753] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.253381] CR2: 00007f9c4b8c4000 CR3: 0000000105b98002 CR4: 00000000003706e0 000d RSI: 00007f6d1082e000 RDI: 0000000000000001 # [ 55.38731[ 61.261353] Call Trace: 8] RBP: 00007f6d1082e000 R08: 00007f6d1082d010 R09: 000000000000[ 61.270294] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 0000 # [ 55.395285] R10: fffffffffffffbc5 R11: 00000000000002[ 61.281878] direct_entry.cold+0x2c/0x38 46 R12: 0000000000000001 # [ 55.403252] R13: 0000000000000001[ 61.292473] full_proxy_write+0x53/0x80 R14: 0000000000020000 R15: 0000000000020000 # EXEC_KMALLOC: sa[ 61.302970] vfs_write+0xe7/0x3a0 w 'call trace:': ok ok 32 selftests: lkdtm: EXEC_KMALLOC.sh # [ 61.312885] ksys_write+0x68/0xf0 selftests: lkdtm: EXEC_VMALLOC.sh # Killed # [ 55.526547] lk[ 61.322831] do_syscall_64+0x30/0x40 dtm: Performing direct entry EXEC_VMALLOC # [ 55.535212] lkdt[ 61.333036] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 61.344892] RIP: 0033:0x7f9c4b9d18f3 m: attempting ok execution at ffffffff8cce0340 # [ 55.541759][ 61.348907] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 lkdtm: attempting bad execution at ffffb303c0379000 # [ 55.5[ 61.376094] RSP: 002b:00007fffa6ae0eb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 61.390765] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f9c4b9d18f3 48407] kernel tried to execute NX-protected page - exploit attem[ 61.398737] RDX: 0000000000000016 RSI: 00007f9c4b8c4000 RDI: 0000000000000001 [ 61.412917] RBP: 00007f9c4b8c4000 R08: 00007f9c4b8c3010 R09: 0000000000000000 pt? (uid: 0) # [ 55.556780] BUG: unable to handle page fault [ 61.420887] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 for address: ffffb303c0379000 # [ 55.570678] #PF: supervisor [ 61.435071] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 instruction fetch in kernel mode # [ 55.576995] #PF: error_co[ 61.449280] irq event stamp: 0 [ 61.458879] hardirqs last enabled at (0): [<0000000000000000>] 0x0 de(0x0011) - permissions violation # [ 55.583214] PGD 1000000[ 61.465881] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 61.481225] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 67 P4D 100000067 PUD 100211067 PMD 1003be067 PTE 800000010599506[ 61.490362] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 61.503570] ---[ end trace ee95a40f003fd261 ]--- 3 # [ 55.598472] Oops: 0011 [#8] SMP PTI # [ 55.602362] CP[ 61.508726] lkdtm: Overflow detected: saturated U: 2 PID: 1738 Comm: cat Tainted: G D W 5.10.154-cip20 #1 # [ 55.611009] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 55.617827] RIP: 0010:0xffffb303c0379000 # [ 55.622204] Code: Unable to access opcode bytes at RIP 0xffffb303c0378fd6. # [ 55.629881] RSP: 0018:ffffb303c246fe38 EFLAGS: 00010246 # [ 55.635703] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 55.643672] RDX: 0000000000000000 RSI: ffff9e75bad1bf70 RDI: ffff9e75bad1bf70 # [ 55.651638] RBP: ffffb303c0379000 R08: 0000000000000000 R09: 0000000000000000 # [ 55.659605] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 55.667571] R13: ffffb303c246ff10 R14: ffffb303c246ff10 R15: ffff9e7545995000 # [ 55.675540] FS: 00007fe283bf4580(0000) GS:ffff9e75bad00000(0000) knlGS:0000000000000000 # [ 55.684575] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.690988] CR2: ffffb303c0378fd6 CR3: 0000000103460001 CR4: 00000000003706e0 # [ 55.698955] Call Trace: # [ 55.701683] ? execute_location+0x45/0x56 # [ 55.706157] ? lkdtm_EXEC_VMALLOC+0x20/0x30 # [ 55.710826] ? direct_entry.cold+0x2c/0x38 # [ 55.715397] ? full_proxy_write+0[ 61.637967] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW [ 61.644796] lkdtm: attempting good refcount_add() without overflow [ 61.651731] lkdtm: attempting bad refcount_add() overflow [ 61.657762] ------------[ cut here ]------------ [ 61.662938] refcount_t: saturated; leaking memory. [ 61.668316] WARNING: CPU: 3 PID: 2088 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 x53/0x80 # [ 55.719864] ? vfs_write+0xe7/0x3a0 # [ 55.723[ 61.677753] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 61.710382] CPU: 3 PID: 2088 Comm: cat Tainted: G D W 5.10.154-cip20 #1 798] ? ksys_write+0x68/0xf0 # [ 55.727714] ? do_syscall_64+[ 61.719035] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 61.732058] RIP: 0010:refcount_warn_saturate+0x51/0x110 [ 61.737916] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 91 40 94 01 00 75 ee 48 c7 c7 00 79 d2 8d c6 05 81 40 94 01 01 e8 2a 9b 98 00 <0f> 0b c3 cc cc cc cc 80 3d 6d 40 94 01 00 75 cb 48 c7 c7 28 79 d2 [ 61.758898] RSP: 0018:ffffb303c2a07e48 EFLAGS: 00010286 [ 61.764734] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 [ 61.772726] RDX: ffff9e75badac660 RSI: ffff9e75bad9bf70 RDI: ffff9e75bad9bf70 0x30/0x40 # [ 55.731896] ? entry_SYSCALL_64_after_hwframe+0x[ 61.780711] RBP: ffffffff8dd8bfd3 R08: 0000000000000000 R09: 0000000000000000 [ 61.794884] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 [ 61.802866] R13: ffffb303c2a07f10 R14: ffffb303c2a07f10 R15: ffff9e7543204000 [ 61.810878] FS: 00007fda37eaa580(0000) GS:ffff9e75bad80000(0000) knlGS:0000000000000000 [ 61.819916] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.826332] CR2: 00007fda37cb3000 CR3: 0000000103464006 CR4: 00000000003706e0 [ 61.834302] Call Trace: [ 61.837033] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 [ 61.842410] direct_entry.cold+0x2c/0x38 [ 61.846818] full_proxy_write+0x53/0x80 [ 61.851128] vfs_write+0xe7/0x3a0 [ 61.854853] ksys_write+0x68/0xf0 [ 61.858554] do_syscall_64+0x30/0x40 [ 61.862570] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 61.868211] RIP: 0033:0x7fda37dc08f3 [ 61.872201] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 61.893183] RSP: 002b:00007ffeafedd958 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 61.901640] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fda37dc08f3 [ 61.909611] RDX: 0000000000000016 RSI: 00007fda37cb3000 RDI: 0000000000000001 [ 61.917580] RBP: 00007fda37cb3000 R08: 00007fda37cb2010 R09: 0000000000000000 [ 61.925552] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 61.933522] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 61.941496] irq event stamp: 0 [ 61.944925] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 61.951926] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 61.961063] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 61.970199] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 61.977197] ---[ end trace ee95a40f003fd262 ]--- [ 61.982350] lkdtm: Overflow detected: saturated 61/0xc6 # [ 55.737733] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 55.764186] CR2: ffffb303c0379000 # [ 55.774095] ---[ end trace ee95a40f003fd258 ]--- # [ 55.779249] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 55.783617] Code: 89 ff e8 6e a3 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 06 94 02 # [ 55.804596] RSP: 0018:ffffb303c154fe60 EFLAGS: 00010282 # [ 55.810428] RAX: ffffffff8ccdff70 RBX: 0000000000000001 RCX: 0000000000000000 # [ 55.818397] RDX: 0000000000000000 RSI: ffff9e75bad9bf70 RDI: ffffffff8d99bd90 # [ 55.826365] RBP: ffffffff8dde7408 R08: 0000000000000001 R09: 0000000000000001 # [ 55.834332] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 55.842300] R13: ffffb303c154ff10 R14: ffffb303c154ff10 R15: ffff9e754267b000 # [ 55.850268] FS: 00007fe283bf4580(0000) GS:ffff9e75bad00000(0000) knlGS:0000000000000000 # [ 55.859305] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.865721] CR2: ffffb303c0378fd6 CR3: 0000000103460001 CR4: 00000000003706e0 # EXEC_VMALLOC: saw 'call trace:': ok ok 33 selftests: lkdtm: EXEC_VMALLOC.sh # selftests: lkdtm: EXEC_RODATA.sh # Killed # [ 55.972756] lkdtm: Performing direct entry EXEC_RODATA # [ 55.978903] lkdtm: attempting ok execution at ffffffff8cce0340 # [ 55.991638] lkdtm: attempting b[ 62.147559] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW ad execution at ffffffff8d99c220 # [ 56.004465] kernel tried [ 62.156596] lkdtm: attempting bad refcount_inc_not_zero() overflow to execute NX-protected page - exploit attempt? (uid: 0) # [ [ 62.169720] ------------[ cut here ]------------ [ 62.181086] refcount_t: saturated; leaking memory. 56.019036] BUG: unable to handle page fault for address: fffffff[ 62.186465] WARNING: CPU: 1 PID: 2120 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 f8d99c220 # [ 56.026717] #PF: supervisor instruction fetch in[ 62.202072] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify kernel mode # [ 56.039250] #PF: error_code(0x0011) - permiss[ 62.234708] CPU: 1 PID: 2120 Comm: cat Tainted: G D W 5.10.154-cip20 #1 ions violation # [ 56.045472] PGD 21629067 P4D 21629067 PUD 2[ 62.249571] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 62.262591] RIP: 0010:refcount_warn_saturate+0x97/0x110 162a063 PMD 8000000020e000e1 # [ 56.052959] Oops: 0011 [#9] [ 62.268453] Code: 01 01 e8 07 9b 98 00 0f 0b c3 cc cc cc cc 80 3d 4c 40 94 01 00 75 a8 48 c7 c7 00 79 d2 8d c6 05 3c 40 94 01 01 e8 e4 9a 98 00 <0f> 0b c3 cc cc cc cc 80 3d 26 40 94 01 00 75 85 48 c7 c7 58 79 d2 SMP PTI # [ 56.063060] CPU: 1 PID: 1774 Comm: cat Tainted: G [ 62.295644] RSP: 0018:ffffb303c29e7e38 EFLAGS: 00010282 D W 5.10.154-cip20 #1 # [ 56.071707] Hardware na[ 62.307692] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 [ 62.321878] RDX: ffff9e75bacac660 RSI: ffff9e75bac9bf70 RDI: ffff9e75bac9bf70 me: Google Rammus/Rammus, BIOS 09/04/2020 # [ 56.078511] RIP[ 62.329852] RBP: ffffffff8dd8bc10 R08: 0000000000000000 R09: 0000000000000000 [ 62.344031] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f : 0010:lkdtm_rodata_do_nothing+0x0/0x10 # [ 56.084248] Code: [ 62.352005] R13: ffffb303c29e7f10 R14: ffffb303c29e7f10 R15: ffff9e7545b9a000 ff ff 9e 1b 37 8d ff ff ff ff 7a c1 d8 8d ff ff ff ff e4 02 37 8[ 62.366185] FS: 00007f4a2d13f580(0000) GS:ffff9e75bac80000(0000) knlGS:0000000000000000 d 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 6[ 62.394069] CR2: 00007f4a2cf48000 CR3: 00000001038e8006 CR4: 00000000003706e0 [ 62.408253] Call Trace: 9 # [ 56.111440] RSP: 0018:ffffb303c24e7e48 EFLAGS: 00010246 [ 62.410990] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 56.117272] RAX: 0000000000000033 RBX: 0000000000000000 RC[ 62.423322] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 X: 0000000000000000 # [ 56.125238] RDX: 0000000000000000 RSI:[ 62.435795] direct_entry.cold+0x2c/0x38 ffff9e75bac9bf70 RDI: ffff9e75bac9bf70 # [ 56.133207] RBP: f[ 62.446389] full_proxy_write+0x53/0x80 fffffff8d99c220 R08: 0000000000000000 R09: 0000000000000000 # [[ 62.456888] vfs_write+0xe7/0x3a0 56.141174] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0[ 62.466800] ksys_write+0x68/0xf0 00000000000000c # [ 56.149141] R13: ffffb303c24e7f10 R14: fff[ 62.476716] do_syscall_64+0x30/0x40 fb303c24e7f10 R15: ffff9e754595e000 # [ 56.157108] FS: 00007[ 62.486922] entry_SYSCALL_64_after_hwframe+0x61/0xc6 fce90d0b580(0000) GS:ffff9e75bac80000(0000) knlGS:00000000000000[ 62.498786] RIP: 0033:0x7f4a2d0558f3 00 # [ 56.166143] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080[ 62.508989] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 050033 # [ 56.172557] CR2: ffffffff8d99c220 CR3: 000000010279[ 62.536180] RSP: 002b:00007ffdd52f7c08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 6006 CR4: 00000000003706e0 # [ 56.180525] Call Trace: # [ [ 62.550851] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f4a2d0558f3 56.183252] ? execute_location+0x45/0x56 # [ 56.187727] ? di[ 62.565037] RDX: 000000000000001f RSI: 00007f4a2cf48000 RDI: 0000000000000001 rect_entry.cold+0x2c/0x38 # [ 56.198509] ? full_proxy_write+[ 62.579223] RBP: 00007f4a2cf48000 R08: 00007f4a2cf47010 R09: 0000000000000000 0x53/0x80 # [ 56.202983] ? vfs_write+0xe7/0x3a0 # [ 56.20[ 62.593412] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 6880] ? ksys_write+0x68/0xf0 # [ 56.210772] ? do_syscall_64[ 62.607597] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 +0x30/0x40 # [ 56.214954] ? entry_SYSCALL_64_after_hwframe+0[ 62.621794] irq event stamp: 0 x61/0xc6 # [ 56.220781] Modules linked in: fuse ip_tables cro[ 62.631408] hardirqs last enabled at (0): [<0000000000000000>] 0x0 s_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer [ 62.644626] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_de[ 62.659980] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 bugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cro[ 62.675332] softirqs last disabled at (0): [<0000000000000000>] 0x0 s_ec_dev cros_usbpd_notify # [ 56.253413] CR2: ffffffff8d99c2[ 62.688545] ---[ end trace ee95a40f003fd263 ]--- 20 # [ 56.257110] ---[ end trace ee95a40f003fd259 ]--- # [ [ 62.699915] lkdtm: Overflow detected: saturated 56.262266] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 56.266643] Code: 89 ff e8 6e a3 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 06 94 02 # [ 56.293834] RSP: 0018:ffffb303c154fe60 EFLAGS: 00010282 # [ 56.299658] RAX: ffffffff8ccdff70 RBX: 0000000000000001 RCX: 0000000000000000 # [ 56.307626] RDX: 0000000000000000 RSI: ffff9e75bad9bf70 RDI: ffffffff8d99bd90 # [ 56.315586] RBP: ffffffff8dde7408 R08: 0000000000000001 R09: 0000000000000001 # [ 56.323544] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 56.331511] R13: ffffb303c154ff10 R14: ffffb303c154ff10 R15: ffff9e754267b000 # [ 56.339478] FS: 00007fce90d0b580(0000) GS:ffff9e75bac80000(0000) knlGS:0000000000000000 # [ 56.348513] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.354927] CR2: ffffffff8d99c220 CR3: 0000000102796006 CR4: 00000000003706e0 # [ 56.362896] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 56.372805] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1774, name: cat # [ 56.381257] INFO: lockdep is turned off. # [ 56.385633] irq event stamp: 0 # [ 56.389038] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 56.396029] hardirqs last disabled at (0): [][ 62.845833] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW copy_process+0x640/0x1c80 # [ 56.405163] softirqs last enab[ 62.855570] lkdtm: attempting bad refcount_add_not_zero() overflow led at (0): [] copy_process+0x640/0x1c80 # [ [ 62.868705] ------------[ cut here ]------------ 56.414296] softirqs last disabled at (0): [<0000000000000000>][ 62.880065] refcount_t: saturated; leaking memory. 0x0 # [ 56.421293] CPU: 1 PID: 1774 Comm: cat Tainted: G [ 62.891666] WARNING: CPU: 1 PID: 2152 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 D W 5.10.154-cip20 #1 # [ 56.429932] Hardware name:[ 62.907279] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify Google Rammus/Rammus, BIOS 09/04/2020 # [ 56.436734] Call T[ 62.939913] CPU: 1 PID: 2152 Comm: cat Tainted: G D W 5.10.154-cip20 #1 race: # [ 56.439463] dump_stack+0x77/0x9b # [ 56.443163] [ 62.954779] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 ___might_sleep.cold+0xa6/0xb6 # [ 56.453943] exit_signals+0[ 62.967824] RIP: 0010:refcount_warn_saturate+0x97/0x110 x1c/0x2e0 # [ 56.457933] do_exit+0xd5/0xb00 # [ 56.467647[ 62.979890] Code: 01 01 e8 07 9b 98 00 0f 0b c3 cc cc cc cc 80 3d 4c 40 94 01 00 75 a8 48 c7 c7 00 79 d2 8d c6 05 3c 40 94 01 01 e8 e4 9a 98 00 <0f> 0b c3 cc cc cc cc 80 3d 26 40 94 01 00 75 85 48 c7 c7 58 79 d2 ] ? ksys_write+0x68/0xf0 # [ 56.471539] rewind_stack_do_exi[ 63.007083] RSP: 0018:ffffb303c2ad7e38 EFLAGS: 00010282 t+0x17/0x20 # [ 56.476207] RIP: 0033:0x7fce90c218f3 # [ 56[ 63.019132] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 .486408] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff f[ 63.033318] RDX: ffff9e75bacac660 RSI: ffff9e75bac9bf70 RDI: ffff9e75bac9bf70 f ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00[ 63.047503] RBP: ffffffff8dd8bc30 R08: 0000000000000000 R09: 0000000000000000 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 2[ 63.061686] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f 8 48 89 54 24 18 # [ 56.507377] RSP: 002b:00007ffc1cb27f18 EF[ 63.075879] R13: ffffb303c2ad7f10 R14: ffffb303c2ad7f10 R15: ffff9e7544edc000 LAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 56.515821] RAX:[ 63.090065] FS: 00007f3ecc077580(0000) GS:ffff9e75bac80000(0000) knlGS:0000000000000000 ffffffffffffffda RBX: 000000000000000c RCX: 00007fce90c218f3 #[ 63.105319] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.523789] RDX: 000000000000000c RSI: 00007fce90b14000 RDI:[ 63.117953] CR2: 00007f3ecbe80000 CR3: 000000010352a001 CR4: 00000000003706e0 0000000000000001 # [ 56.531758] RBP: 00007fce90b14000 R08: 0[ 63.132137] Call Trace: 0007fce90b13010 R09: 0000000000000000 # [ 56.539725] R10: fff[ 63.141086] __refcount_add_not_zero.constprop.0+0x2a/0x35 ffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ [ 63.153446] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 56.547693] R13: 0000000000000001 R14: 0000000000020000 R15: 000[ 63.165882] direct_entry.cold+0x2c/0x38 0000000020000 # EXEC_RODATA: saw 'call trace:': ok ok 34 selft[ 63.176473] full_proxy_write+0x53/0x80 ests: lkdtm: EXEC_RODATA.sh # selftests: lkdtm: EXEC_USERSPACE.[ 63.186972] vfs_write+0xe7/0x3a0 sh # Killed # [ 56.666700] lkdtm: Performing direct entry EX[ 63.196913] ksys_write+0x68/0xf0 EC_USERSPACE # [ 56.673618] lkdtm: attempting ok execution at[ 63.206828] do_syscall_64+0x30/0x40 ffffffff8cce0340 # [ 56.686373] lkdtm: attempting bad execut[ 63.217029] entry_SYSCALL_64_after_hwframe+0x61/0xc6 ion at 00007f3e25f6d000 # [ 56.699238] unable to execute user[ 63.228885] RIP: 0033:0x7f3ecbf8d8f3 [ 63.239090] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 space code (SMEP?) (uid: 0) # [ 56.711816] BUG: unable to han[ 63.260073] RSP: 002b:00007fff41e4a4f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 63.274737] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f3ecbf8d8f3 dle page fault for address: 00007f3e25f6d000 # [ 56.719499] #[ 63.282708] RDX: 000000000000001f RSI: 00007f3ecbe80000 RDI: 0000000000000001 [ 63.296887] RBP: 00007f3ecbe80000 R08: 00007f3ecbe7f010 R09: 0000000000000000 PF: supervisor instruction fetch in kernel mode # [ 56.725824[ 63.304877] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 63.319056] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ] #PF: error_code(0x0011) - permissions violation # [ 56.7320[ 63.327052] irq event stamp: 0 [ 63.336644] hardirqs last enabled at (0): [<0000000000000000>] 0x0 47] PGD 80000001034b7067 P4D 80000001034b7067 PUD 1034b6067 PMD [ 63.343646] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 63.358991] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 1039ef067 PTE 10ab89067 # [ 56.741778] Oops: 0011 [#10] SMP P[ 63.368129] softirqs last disabled at (0): [<0000000000000000>] 0x0 TI # [ 56.745768] CPU: 0 PID: 1810 Comm: cat Tainted: G [ 63.381339] ---[ end trace ee95a40f003fd264 ]--- D W 5.10.154-cip20 #1 # [ 56.754416] Hardware name: G[ 63.392709] lkdtm: Overflow detected: saturated oogle Rammus/Rammus, BIOS 09/04/2020 # [ 56.761218] RIP: 0010:0x7f3e25f6d000 # [ 56.765206] Code: Unable to access opcode bytes at RIP 0x7f3e25f6cfd6. # [ 56.772495] RSP: 0018:ffffb303c2597e50 EFLAGS: 00010246 # [ 56.778318] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 # [ 56.786286] RDX: 0000000000000000 RSI: ffff9e75bac1bf70 RDI: ffff9e75bac1bf70 # [ 56.794253] RBP: 00007f3e25f6d000 R08: 0000000000000000 R09: 0000000000000000 # [ 56.802220] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f # [ 56.810187] R13: ffffb303c2597f10 R14: ffffb303c2597f10 R15: ffff9e7542be6000 # [ 56.818154] FS: 00007f3e25f3e580(0000) GS:ffff9e75bac00000(0000) knlGS:0000000000000000 # [ 56.827191] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.833605] CR2: 00007f3e25f6d000 CR3: 0000000103830003 CR4: 00000000003706f0 # [ 56.841572] Call Trace: # [ 56.844301] ? lkdtm_EXEC_USERSPACE.cold+0x66/0xae # [ 56.849655] ? direct_entry.cold+0x2c/0x38 # [ 56.854218] ? full_proxy_write+0x53/0x80 # [ 56.858692][ 63.506271] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO ? vfs_write+0xe7/0x3a0 # [ 56.862575] ? ksys_write+0x68/0x[ 63.515972] lkdtm: attempting good refcount_dec() f0 # [ 56.866459] ? do_syscall_64+0x30/0x40 # [ 56.870642[ 63.527442] lkdtm: attempting bad refcount_dec() to zero ] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 56.876479] [ 63.539588] ------------[ cut here ]------------ [ 63.550955] refcount_t: decrement hit 0; leaking memory. Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensor[ 63.556917] WARNING: CPU: 1 PID: 2184 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 s_core industrialio_triggered_buffer kfifo_buf industrialio cros[ 63.572528] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify _ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_[ 63.605186] CPU: 1 PID: 2184 Comm: cat Tainted: G D W 5.10.154-cip20 #1 ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 63.620029] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 63.633047] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 56.902916] CR2: 00007f3e25f6d000 # [ 56.906612] ---[ e[ 63.638883] Code: b0 79 d2 8d c6 05 ed 3f 94 01 01 e8 9a 9a 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 80 79 d2 8d c6 05 d4 3f 94 01 01 e8 80 9a 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b [ 63.666074] RSP: 0018:ffffb303c2b67e48 EFLAGS: 00010286 nd trace ee95a40f003fd25a ]--- # [ 56.911766] RIP: 0010:lkdtm[ 63.671910] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 [ 63.686089] RDX: ffff9e75bacac660 RSI: ffff9e75bac9bf70 RDI: ffff9e75bac9bf70 _BUG+0x5/0x10 # [ 56.916140] Code: 89 ff e8 6e a3 a3 ff 48 c7[ 63.694061] RBP: ffffffff8dd8bfe9 R08: 0000000000000000 R09: 0000000000000000 [ 63.708238] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 [ 63.716210] R13: ffffb303c2b67f10 R14: ffffb303c2b67f10 R15: ffff9e75432fa000 [ 63.730389] FS: 00007fe22277b580(0000) GS:ffff9e75bac80000(0000) knlGS:0000000000000000 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00[ 63.739430] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.752057] CR2: 00007fe222584000 CR3: 0000000103204002 CR4: 00000000003706e0 00 00 0f 1f 44 00 00 83 05 a0 06 94 02 # [ 56.937120] RSP: 0[ 63.760029] Call Trace: 018:ffffb303c154fe60 EFLAGS: 00010282 # [ 56.942943] RAX: fff[ 63.768968] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd fffff8ccdff70 RBX: 0000000000000001 RCX: 0000000000000000 # [ [ 63.780143] direct_entry.cold+0x2c/0x38 56.950910] RDX: 0000000000000000 RSI: ffff9e75bad9bf70 RDI: fff[ 63.790737] full_proxy_write+0x53/0x80 fffff8d99bd90 # [ 56.958886] RBP: ffffffff8dde7408 R08: 00000[ 63.801238] vfs_write+0xe7/0x3a0 00000000001 R09: 0000000000000001 # [ 56.966868] R10: 0000000[ 63.811151] ksys_write+0x68/0xf0 0ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 56.[ 63.821066] do_syscall_64+0x30/0x40 974840] R13: ffffb303c154ff10 R14: ffffb303c154ff10 R15: ffff9e7[ 63.831272] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 63.843128] RIP: 0033:0x7fe2226918f3 54267b000 # [ 56.982827] FS: 00007f3e25f3e580(0000) GS:ffff9[ 63.847118] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 63.874307] RSP: 002b:00007ffcaabf8758 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 e75bac00000(0000) knlGS:0000000000000000 # [ 56.991855] CS: [ 63.882765] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fe2226918f3 [ 63.896945] RDX: 0000000000000012 RSI: 00007fe222584000 RDI: 0000000000000001 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.998270] C[ 63.904918] RBP: 00007fe222584000 R08: 00007fe222583010 R09: 0000000000000000 [ 63.919098] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 R2: 00007f3e25f6d000 CR3: 0000000103830003 CR4: 00000000003706f0[ 63.927070] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_USERSPACE: saw 'call trace:': ok ok 35 selftests: lkdt[ 63.941255] irq event stamp: 0 [ 63.950879] hardirqs last enabled at (0): [<0000000000000000>] 0x0 m: EXEC_USERSPACE.sh # selftests: lkdtm: EXEC_NULL.sh # Killed[ 63.957889] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 63.973232] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 57.178969] lkdtm: Performing direct entry EXEC_NULL # [[ 63.982369] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 63.995577] ---[ end trace ee95a40f003fd265 ]--- 57.185838] lkdtm: attempting ok execution at ffffffff8cce0340[ 64.000734] lkdtm: Zero detected: saturated # [ 57.198573] lkdtm: attempting bad execution at 0000000000000000 # [ 57.211401] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 57.225384] #PF: supervisor instruction fetch in kernel mode # [ 57.231703] #PF: error_code(0x0010) - not-present page # [ 57.237438] PGD 0 P4D 0 # [ 57.240261] Oops: 0010 [#11] SMP PTI # [ 57.244248] CPU: 1 PID: 1846 Comm: cat Tainted: G D W 5.10.154-cip20 #1 # [ 57.252894] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 57.259701] RIP: 0010:0x0 # [ 57.262621] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. # [ 57.270290] RSP: 0018:ffffb303c2627e48 EFLAGS: 00010246 # [ 57.276122] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 57.284093] RDX: 0000000000000000 RSI: ffff9e75bac9bf70 RDI: ffff9e75bac9bf70 # [ 57.292060] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 # [ 57.300026] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 57.307994] R13: ffffb303c2627f10 R14: ffffb303c2627f10 R15: ffff9e754133f000 # [ 57.315964] FS: 00007f349a05d580[ 64.122585] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE (0000) GS:ffff9e75bac80000(0000) knlGS:0000000000000000 # [ 5[ 64.130404] lkdtm: attempting bad refcount_dec() below zero 7.324991] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [[ 64.142847] ------------[ cut here ]------------ 57.331407] CR2: ffffffffffffffd6 CR3: 0000000104ef4006 CR4: 0[ 64.154211] refcount_t: decrement hit 0; leaking memory. 0000000003706e0 # [ 57.339373] Call Trace: # [ 57.342102] [ 64.166390] WARNING: CPU: 1 PID: 2219 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 execute_location+0x45/0x56 # [ 57.346383] direct_entry.cold[ 64.182000] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify +0x2c/0x38 # [ 57.356972] full_proxy_write+0x53/0x80 # [ [ 64.214660] CPU: 1 PID: 2219 Comm: cat Tainted: G D W 5.10.154-cip20 #1 57.361256] vfs_write+0xe7/0x3a0 # [ 57.364953] ksys_write+0[ 64.229522] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 x68/0xf0 # [ 57.374862] do_syscall_64+0x30/0x40 # [ 57.37[ 64.242521] RIP: 0010:refcount_warn_saturate+0xfb/0x110 8883] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 57.390734[ 64.254572] Code: b0 79 d2 8d c6 05 ed 3f 94 01 01 e8 9a 9a 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 80 79 d2 8d c6 05 d4 3f 94 01 01 e8 80 9a 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b ] RIP: 0033:0x7f3499f738f3 # [ 57.394722] Code: 8b 15 a1 25 0[ 64.281769] RSP: 0018:ffffb303c2bcfe48 EFLAGS: 00010286 e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04[ 64.293830] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 f[ 64.308016] RDX: ffff9e75bacac660 RSI: ffff9e75bac9bf70 RDI: ffff9e75bac9bf70 f ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 57.4[ 64.322202] RBP: ffffffff8dd8bffb R08: 0000000000000000 R09: 0000000000000000 15703] RSP: 002b:00007ffc2bd67828 EFLAGS: 00000246 ORIG_RAX: 000[ 64.336388] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 0000000000001 # [ 57.424156] RAX: ffffffffffffffda RBX: 00000[ 64.350572] R13: ffffb303c2bcff10 R14: ffffb303c2bcff10 R15: ffff9e75429c5000 0000000000a RCX: 00007f3499f738f3 # [ 57.432124] RDX: 0000000[ 64.364758] FS: 00007fa302471580(0000) GS:ffff9e75bac80000(0000) knlGS:0000000000000000 00000000a RSI: 00007f3499e66000 RDI: 0000000000000001 # [ 57.[ 64.380011] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 440091] RBP: 00007f3499e66000 R08: 00007f3499e65010 R09: 0000000[ 64.392644] CR2: 00007fa30227a000 CR3: 000000010393a005 CR4: 00000000003706e0 000000000 # [ 57.448057] R10: fffffffffffffbc5 R11: 000000000[ 64.406831] Call Trace: 0000246 R12: 0000000000000001 # [ 57.456025] R13: 00000000000[ 64.415777] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 00001 R14: 0000000000020000 R15: 0000000000020000 # [ 57.4639[ 64.427345] direct_entry.cold+0x2c/0x38 98] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_se[ 64.437937] full_proxy_write+0x53/0x80 nsors_core industrialio_triggered_buffer kfifo_buf industrialio [ 64.448433] vfs_write+0xe7/0x3a0 cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev c[ 64.458346] ksys_write+0x68/0xf0 ros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_not[ 64.468262] do_syscall_64+0x30/0x40 ify # [ 57.496632] CR2: 0000000000000000 # [ 57.500328] --[ 64.478467] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 64.490323] RIP: 0033:0x7fa3023878f3 -[ end trace ee95a40f003fd25b ]--- # [ 57.505483] RIP: 0010:l[ 64.494338] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 kdtm_BUG+0x5/0x10 # [ 57.509879] Code: 89 ff e8 6e a3 a3 ff 4[ 64.521527] RSP: 002b:00007ffece04a088 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 64.536198] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fa3023878f3 8 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48[ 64.544170] RDX: 0000000000000016 RSI: 00007fa30227a000 RDI: 0000000000000001 [ 64.558349] RBP: 00007fa30227a000 R08: 00007fa302279010 R09: 0000000000000000 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 0[ 64.566321] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 64.580501] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0 00 00 00 0f 1f 44 00 00 83 05 a0 06 94 02 # [ 57.530878] RS[ 64.588478] irq event stamp: 0 [ 64.598088] hardirqs last enabled at (0): [<0000000000000000>] 0x0 P: 0018:ffffb303c154fe60 EFLAGS: 00010282 # [ 57.536713] RAX:[ 64.605091] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 64.620434] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 ffffffff8ccdff70 RBX: 0000000000000001 RCX: 0000000000000000 #[ 64.629572] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 64.642780] ---[ end trace ee95a40f003fd266 ]--- [ 57.544680] RDX: 0000000000000000 RSI: ffff9e75bad9bf70 RDI:[ 64.647936] lkdtm: Negative detected: saturated ffffffff8d99bd90 # [ 57.552649] RBP: ffffffff8dde7408 R08: 0000000000000001 R09: 0000000000000001 # [ 57.560618] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 57.568585] R13: ffffb303c154ff10 R14: ffffb303c154ff10 R15: ffff9e754267b000 # [ 57.576555] FS: 00007f349a05d580(0000) GS:ffff9e75bac80000(0000) knlGS:0000000000000000 # [ 57.585582] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.591998] CR2: ffffffffffffffd6 CR3: 0000000104ef4006 CR4: 00000000003706e0 # [ 57.599968] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 57.609880] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1846, name: cat # [ 57.618335] INFO: lockdep is turned off. # [ 57.622709] irq event stamp: 0 # [ 57.626114] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 57.633113] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 57.642245] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 57.651379] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 57.658376] [ 64.770398] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE [ 64.778686] lkdtm: attempting bad refcount_dec_and_test() below zero [ 64.785827] ------------[ cut here ]------------ CPU: 1 PID: 1846 Comm: cat Tainted: G D W 5.10.154-[ 64.791024] refcount_t: underflow; use-after-free. cip20 #1 # [ 57.667024] Hardware name: Google Rammus/Rammus, [ 64.802608] WARNING: CPU: 2 PID: 2254 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 [ 64.818238] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify BIOS 09/04/2020 # [ 57.673826] Call Trace: # [ 57.676554][ 64.844693] CPU: 2 PID: 2254 Comm: cat Tainted: G D W 5.10.154-cip20 #1 [ 64.859573] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 dump_stack+0x77/0x9b # [ 57.680254] ___might_sleep.cold+0x[ 64.866395] RIP: 0010:refcount_warn_saturate+0xba/0x110 [ 64.878433] Code: 01 01 e8 e4 9a 98 00 0f 0b c3 cc cc cc cc 80 3d 26 40 94 01 00 75 85 48 c7 c7 58 79 d2 8d c6 05 16 40 94 01 01 e8 c1 9a 98 00 <0f> 0b c3 cc cc cc cc 80 3d 01 40 94 01 00 0f 85 5e ff ff ff 48 c7 [ 64.899417] RSP: 0018:ffffb303c2c77e40 EFLAGS: 00010286 [ 64.905254] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 [ 64.913226] RDX: ffff9e75bad2c660 RSI: ffff9e75bad1bf70 RDI: ffff9e75bad1bf70 [ 64.921198] RBP: ffffffff8dd8bc50 R08: 0000000000000000 R09: 0000000000000000 [ 64.929169] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 64.937141] R13: ffffb303c2c77f10 R14: ffffb303c2c77f10 R15: ffff9e7545a98000 [ 64.945112] FS: 00007f45a9b2d580(0000) GS:ffff9e75bad00000(0000) knlGS:0000000000000000 [ 64.954152] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 64.960571] CR2: 00007f45a9936000 CR3: 00000001029bc001 CR4: 00000000003706e0 [ 64.968540] Call Trace: [ 64.971271] __refcount_sub_and_test.constprop.0+0x3c/0x50 [ 64.977428] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 [ 64.983654] direct_entry.cold+0x2c/0x38 [ 64.988057] full_proxy_write+0x53/0x80 [ 64.992366] vfs_write+0xe7/0x3a0 [ 64.996090] ksys_write+0x68/0xf0 [ 64.999790] do_syscall_64+0x30/0x40 a6/0xb6 # [ 57.691038] exit_signals+0x1c/0x2e0 # [ 57.695[ 65.003809] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 65.015658] RIP: 0033:0x7f45a9a438f3 [ 65.019648] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 65.040631] RSP: 002b:00007ffef3e27378 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 65.049089] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f45a9a438f3 [ 65.057062] RDX: 000000000000001f RSI: 00007f45a9936000 RDI: 0000000000000001 [ 65.065032] RBP: 00007f45a9936000 R08: 00007f45a9935010 R09: 0000000000000000 026] do_exit+0xd5/0xb00 # [ 57.698530] ? ksys_write+0x68/0x[ 65.073005] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 65.087192] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 f0 # [ 57.702415] rewind_stack_do_exit+0x17/0x20 # [ 57.7[ 65.095169] irq event stamp: 0 [ 65.104781] hardirqs last enabled at (0): [<0000000000000000>] 0x0 07083] RIP: 0033:0x7f3499f738f3 # [ 57.717282] Code: 8b 15 a1[ 65.111784] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 [ 65.127126] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00[ 65.142481] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 65.155696] ---[ end trace ee95a40f003fd267 ]--- f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ [ 65.160850] lkdtm: Negative detected: saturated 57.738262] RSP: 002b:00007ffc2bd67828 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 57.746718] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f3499f738f3 # [ 57.754686] RDX: 000000000000000a RSI: 00007f3499e66000 RDI: 0000000000000001 # [ 57.762653] RBP: 00007f3499e66000 R08: 00007f3499e65010 R09: 0000000000000000 # [ 57.770620] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 57.778586] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_NULL: saw 'call trace:': ok ok 36 selftests: lkdtm: EXEC_NULL.sh # selftests: lkdtm: ACCESS_USERSPACE.sh # Killed # [ 57.912885] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 57.923336] lkdtm: attempting bad read at 00007fdc3ff3c000 # [ 57.935673] BUG: unable to handle page fault for address: 00007fdc3ff3c000 # [ 57.949548] #PF: supervisor read access in kernel mode # [ 57.955286] #PF: error_code(0x0001) - permissions violation # [ 57.961499] PGD 8000000104304067 P4D 8000000104304067 PUD 103464067 PMD 103537067 PTE 114afe067 # [ 57.977437] Oops: 0001 [#12] SMP PTI # [ 57.981426] CPU: 1 PID: 1881 Comm:[ 65.279333] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE cat Tainted: G D W 5.10.154-cip20 #1 # [ 57.996[ 65.291600] lkdtm: attempting bad refcount_sub_and_test() below zero 284] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ [ 65.304894] ------------[ cut here ]------------ 58.003091] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 # [ 65.316264] refcount_t: underflow; use-after-free. [ 58.009312] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc c[ 65.327842] WARNING: CPU: 1 PID: 2289 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 c 48 89 ee 48 c7 c7 98 ce d8 8d e8 64 99 fd ff 48 c7 c7 c0 ce d8[ 65.343473] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 8d b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 4b 99 fd ff 48 8[ 65.376105] CPU: 1 PID: 2289 Comm: cat Tainted: G D W 5.10.154-cip20 #1 9 ee 48 c7 c7 e8 ce d8 # [ 58.036500] RSP: 0018:ffffb303c26bf[ 65.390970] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 e48 EFLAGS: 00010246 # [ 58.042333] RAX: 00000000c0dec0de RBX[ 65.403996] RIP: 0010:refcount_warn_saturate+0xba/0x110 : 0000000000000026 RCX: 0000000000000000 # [ 58.050302] RDX: [ 65.416044] Code: 01 01 e8 e4 9a 98 00 0f 0b c3 cc cc cc cc 80 3d 26 40 94 01 00 75 85 48 c7 c7 58 79 d2 8d c6 05 16 40 94 01 01 e8 c1 9a 98 00 <0f> 0b c3 cc cc cc cc 80 3d 01 40 94 01 00 0f 85 5e ff ff ff 48 c7 0000000000000000 RSI: ffff9e75bac9bf70 RDI: ffffffff8dd8cec0 # [ 65.443236] RSP: 0018:ffffb303c2cf7e40 EFLAGS: 00010286 [ 58.058260] RBP: 00007fdc3ff3c000 R08: 0000000000000000 R09: [ 65.455312] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 0000000000000000 # [ 58.066227] R10: 00000000ffffe000 R11: 3f[ 65.469502] RDX: ffff9e75bacac660 RSI: ffff9e75bac9bf70 RDI: ffff9e75bac9bf70 [ 65.483683] RBP: ffffffff8dd8bc70 R08: 0000000000000000 R09: 0000000000000000 ffffffffffffff R12: 0000000000000011 # [ 58.074193] R13: ffff[ 65.491656] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 65.505836] R13: ffffb303c2cf7f10 R14: ffffb303c2cf7f10 R15: ffff9e75435cf000 b303c26bff10 R14: ffffb303c26bff10 R15: ffff9e7542b08000 # [ [ 65.513828] FS: 00007fa1bc1ed580(0000) GS:ffff9e75bac80000(0000) knlGS:0000000000000000 [ 65.529074] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 58.082160] FS: 00007fdc3ff0d580(0000) GS:ffff9e75bac80000(0000)[ 65.535493] CR2: 00007fa1bbff6000 CR3: 0000000105bc8004 CR4: 00000000003706e0 [ 65.549673] Call Trace: knlGS:0000000000000000 # [ 58.091194] CS: 0010 DS: 0000 ES:[ 65.552405] __refcount_sub_and_test.constprop.0+0x3c/0x50 0000 CR0: 0000000080050033 # [ 58.097607] CR2: 00007fdc3ff3c[ 65.564739] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b 000 CR3: 00000001064d8005 CR4: 00000000003706e0 # [ 58.105574[ 65.577178] direct_entry.cold+0x2c/0x38 ] Call Trace: # [ 58.108303] direct_entry.cold+0x2c/0x38 # [ 65.587772] full_proxy_write+0x53/0x80 [ 58.112682] full_proxy_write+0x53/0x80 # [ 58.123173] vf[ 65.598268] vfs_write+0xe7/0x3a0 s_write+0xe7/0x3a0 # [ 58.126878] ksys_write+0x68/0xf0 # [ [ 65.608181] ksys_write+0x68/0xf0 58.130575] do_syscall_64+0x30/0x40 # [ 58.134563] entry_S[ 65.618095] do_syscall_64+0x30/0x40 YSCALL_64_after_hwframe+0x61/0xc6 # [ 58.140193] RIP: 0033:0x[ 65.628300] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 65.640154] RIP: 0033:0x7fa1bc1038f3 7fdc3fe238f3 # [ 58.144170] Code: 8b 15 a1 25 0e 00 f7 d8 64 [ 65.644147] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 0[ 65.671335] RSP: 002b:00007ffdac8828a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 0 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 [ 65.686007] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fa1bc1038f3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 58.165148] RSP: 00[ 65.700194] RDX: 000000000000001f RSI: 00007fa1bbff6000 RDI: 0000000000000001 [ 65.714377] RBP: 00007fa1bbff6000 R08: 00007fa1bbff5010 R09: 0000000000000000 2b:00007ffcd4905a48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 65.722349] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 65.736531] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 58.173600] RAX: ffffffffffffffda RBX: 0000000000000011 RC[ 65.744525] irq event stamp: 0 [ 65.754121] hardirqs last enabled at (0): [<0000000000000000>] 0x0 X: 00007fdc3fe238f3 # [ 58.181569] RDX: 0000000000000011 RSI:[ 65.761124] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 65.776467] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 00007fdc3fd16000 RDI: 0000000000000001 # [ 58.189537] RBP: 0[ 65.785604] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 65.798827] ---[ end trace ee95a40f003fd268 ]--- 0007fdc3fd16000 R08: 00007fdc3fd15010 R09: 0000000000000000 # [[ 65.803986] lkdtm: Negative detected: saturated 58.197502] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 58.205469] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 58.213438] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 58.246071] CR2: 00007fdc3ff3c000 # [ 58.249765] ---[ end trace ee95a40f003fd25c ]--- # [ 58.254920] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 58.259295] Code: 89 ff e8 6e a3 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 06 94 02 # [ 58.280272] RSP: 0018:ffffb303c154fe60 EFLAGS: 00010282 # [ 58.286104] RAX: ffffffff8ccdff70 RBX: 0000000000000001 RCX: 0000000000000000 # [ 58.294070] RDX: 0000000000000000 RSI: ffff9e75bad9bf70 RDI: ffffffff8d99bd90 # [ 58.302036] RBP: ffffffff8dde7408 R08: 0000000000000001 R09: 0000000000000001 # [ 58.310003] R10: 00000000ffffe000 [ 65.926703] lkdtm: Performing direct entry REFCOUNT_INC_ZERO [ 65.933491] lkdtm: attempting safe refcount_inc_not_zero() from zero [ 65.940626] lkdtm: Good: zero detected [ 65.944840] lkdtm: Correctly stayed at zero R11: 3fffffffffffffff R12: 0000000000000004 # [ 58.317968] R1[ 65.949518] lkdtm: attempting bad refcount_inc() from zero 3: ffffb303c154ff10 R14: ffffb303c154ff10 R15: ffff9e754267b000 [ 65.961858] ------------[ cut here ]------------ [ 65.973228] refcount_t: addition on 0; use-after-free. [ 65.978994] WARNING: CPU: 3 PID: 2321 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 58.325936] FS: 00007fdc3ff0d580(0000) GS:ffff9e75bac8000[ 65.988429] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 66.021062] CPU: 3 PID: 2321 Comm: cat Tainted: G D W 5.10.154-cip20 #1 [ 66.029746] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 66.036576] RIP: 0010:refcount_warn_saturate+0x74/0x110 [ 66.042412] Code: 01 01 e8 2a 9b 98 00 0f 0b c3 cc cc cc cc 80 3d 6d 40 94 01 00 75 cb 48 c7 c7 28 79 d2 8d c6 05 5d 40 94 01 01 e8 07 9b 98 00 <0f> 0b c3 cc cc cc cc 80 3d 4c 40 94 01 00 75 a8 48 c7 c7 00 79 d2 [ 66.063394] RSP: 0018:ffffb303c2d3fe48 EFLAGS: 00010286 [ 66.069231] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 [ 66.077203] RDX: ffff9e75badac660 RSI: ffff9e75bad9bf70 RDI: ffff9e75bad9bf70 [ 66.085172] RBP: ffffffff8dd8c011 R08: 0000000000000000 R09: 0000000000000000 [ 66.093142] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 66.101114] R13: ffffb303c2d3ff10 R14: ffffb303c2d3ff10 R15: ffff9e7543204000 [ 66.109085] FS: 00007f2b33490580(0000) GS:ffff9e75bad80000(0000) knlGS:0000000000000000 [ 66.118124] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.124542] CR2: 00007f2b33299000 CR3: 000000010325a001 CR4: 00000000003706e0 [ 66.132511] Call Trace: [ 66.135241] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 [ 66.140228] direct_entry.cold+0x2c/0x38 [ 66.144609] full_proxy_write+0x53/0x80 [ 66.148916] vfs_write+0xe7/0x3a0 [ 66.152642] ksys_write+0x68/0xf0 [ 66.156343] do_syscall_64+0x30/0x40 [ 66.160335] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 66.165975] RIP: 0033:0x7f2b333a68f3 [ 66.169966] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 66.190948] RSP: 002b:00007ffdd2c1d828 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 66.199404] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f2b333a68f3 [ 66.207375] RDX: 0000000000000012 RSI: 00007f2b33299000 RDI: 0000000000000001 [ 66.215348] RBP: 00007f2b33299000 R08: 00007f2b33298010 R09: 0000000000000000 [ 66.223317] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 0(0000) knlGS:0000000000000000 # [ 58.334972] CS: 0010 DS: 0[ 66.231290] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 000 ES: 0000 CR0: 0000000080050033 # [ 58.341385] CR2: 00007f[ 66.245485] irq event stamp: 0 [ 66.255108] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 66.262140] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 66.271278] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 66.280415] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 66.287417] ---[ end trace ee95a40f003fd269 ]--- [ 66.292573] lkdtm: Zero detected: saturated dc3ff3c000 CR3: 00000001064d8005 CR4: 00000000003706e0 # ACCESS_USERSPACE: saw 'call trace:': ok ok 37 selftests: lkdtm: ACCESS_USERSPACE.sh # selftests: lkdtm: ACCESS_NULL.sh # Killed # [ 58.455459] lkdtm: Performing direct entry ACCESS_NULL # [ 58.466974] lkdtm: attempting bad read at 0000000000000000 # [ 58.473112] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 58.480892] #PF: supervisor read access in kernel mode # [ 58.486629] #PF: error_code(0x0000) - not-present page # [ 58.492365] PGD 0 P4D 0 # [ 58.495191] Oops: 0000 [#13] SMP PTI # [ 58.505389] CPU: 3 PID: 1916 Comm: cat Tainted: G D W 5.10.154-cip20 #1 # [ 58.514038] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 58.527058] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 # [ 58.532308] Code: 08 99 fd ff be 00 10 00 00 48 89 ef e8 e7 6c 39 ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 98 ce d8 8d e8 e2 98 fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 c0 ce d8 8d 48 01 # [ 58.553275] RSP: 0018:ffffb303c2737e58 EFLAGS: 00010246 # [ 58.559100] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 # [ 58.567070] RDX: 0000000000000000 [ 66.412149] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO RSI: ffff9e75bad9bf70 RDI: ffff9e75bad9bf70 # [ 58.575037] RB[ 66.421768] lkdtm: attempting safe refcount_add_not_zero() from zero P: ffffffff8dd8bf89 R08: 0000000000000000 R09: 0000000000000000 [ 66.435101] lkdtm: Good: zero detected [ 66.445476] lkdtm: Correctly stayed at zero # [ 58.583006] R10: 00000000ffffe000 R11: 3fffffffffffffff R1[ 66.450148] lkdtm: attempting bad refcount_add() from zero 2: 000000000000000c # [ 58.590974] R13: ffffb303c2737f10 R14:[ 66.462490] ------------[ cut here ]------------ ffffb303c2737f10 R15: ffff9e75434a6000 # [ 58.598942] FS: 0[ 66.473879] refcount_t: addition on 0; use-after-free. 0007fca1eda8580(0000) GS:ffff9e75bad80000(0000) knlGS:0000000000[ 66.485844] WARNING: CPU: 1 PID: 2353 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 000000 # [ 58.607976] CS: 0010 DS: 0000 ES: 0000 CR0: 000000[ 66.501473] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 0080050033 # [ 58.614390] CR2: 0000000000000000 CR3: 00000001[ 66.534108] CPU: 1 PID: 2353 Comm: cat Tainted: G D W 5.10.154-cip20 #1 05b9a001 CR4: 00000000003706e0 # [ 58.622356] Call Trace: # [ 66.548978] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 58.625084] direct_entry.cold+0x2c/0x38 # [ 58.629461] f[ 66.561998] RIP: 0010:refcount_warn_saturate+0x74/0x110 ull_proxy_write+0x53/0x80 # [ 58.633743] vfs_write+0xe7/0x3a[ 66.574046] Code: 01 01 e8 2a 9b 98 00 0f 0b c3 cc cc cc cc 80 3d 6d 40 94 01 00 75 cb 48 c7 c7 28 79 d2 8d c6 05 5d 40 94 01 01 e8 07 9b 98 00 <0f> 0b c3 cc cc cc cc 80 3d 4c 40 94 01 00 75 a8 48 c7 c7 00 79 d2 0 # [ 58.637440] ksys_write+0x68/0xf0 # [ 58.641128] do_[ 66.601249] RSP: 0018:ffffb303c2dffe48 EFLAGS: 00010286 syscall_64+0x30/0x40 # [ 58.645116] entry_SYSCALL_64_after_h[ 66.613298] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 wframe+0x61/0xc6 # [ 58.650755] RIP: 0033:0x7fca1ecbe8f3 # [[ 66.627478] RDX: ffff9e75bacac660 RSI: ffff9e75bac9bf70 RDI: ffff9e75bac9bf70 58.654741] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff[ 66.641664] RBP: ffffffff8dd8c023 R08: 0000000000000000 R09: 0000000000000000 ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 [ 66.655852] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83[ 66.670039] R13: ffffb303c2dfff10 R14: ffffb303c2dfff10 R15: ffff9e754580e000 ec 28 48 89 54 24 18 # [ 58.675718] RSP: 002b:00007ffca11928[ 66.684226] FS: 00007f72765ee580(0000) GS:ffff9e75bac80000(0000) knlGS:0000000000000000 28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 58.684170][ 66.699480] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fca1ecbe8[ 66.712111] CR2: 00007f72763f7000 CR3: 0000000102bec006 CR4: 00000000003706e0 f3 # [ 58.692137] RDX: 000000000000000c RSI: 00007fca1ebb1000[ 66.726294] Call Trace: RDI: 0000000000000001 # [ 58.700102] RBP: 00007fca1ebb1000 R[ 66.735242] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 08: 00007fca1ebb0010 R09: 0000000000000000 # [ 58.708069] R10[ 66.746417] direct_entry.cold+0x2c/0x38 : fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 66.757009] full_proxy_write+0x53/0x80 # [ 58.716034] R13: 0000000000000001 R14: 0000000000020000 R15[ 66.767506] vfs_write+0xe7/0x3a0 : 0000000000020000 # [ 58.724004] Modules linked in: fuse ip_[ 66.777419] ksys_write+0x68/0xf0 tables cros_ec_sensors cros_ec_sensors_core industrialio_trigger[ 66.787334] do_syscall_64+0x30/0x40 ed_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs [ 66.797540] entry_SYSCALL_64_after_hwframe+0x61/0xc6 cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_t[ 66.809394] RIP: 0033:0x7f72765048f3 hermal cros_ec_dev cros_usbpd_notify # [ 58.750455] CR2: 0000[ 66.819602] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 000000000000 # [ 58.760364] ---[ end trace ee95a40f003fd25d ][ 66.846803] RSP: 002b:00007fff65ccec08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 --- # [ 58.765517] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 58.769[ 66.861476] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f72765048f3 892] Code: 89 ff e8 6e a3 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7[ 66.875663] RDX: 0000000000000012 RSI: 00007f72763f7000 RDI: 0000000000000001 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f [ 66.889850] RBP: 00007f72763f7000 R08: 00007f72763f6010 R09: 0000000000000000 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05[ 66.904037] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 a0 06 94 02 # [ 58.790881] RSP: 0018:ffffb303c154fe60 EFLAGS[ 66.918226] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 : 00010282 # [ 58.796714] RAX: ffffffff8ccdff70 RBX: 00000000[ 66.932420] irq event stamp: 0 00000001 RCX: 0000000000000000 # [ 58.804681] RDX: 0000000000[ 66.942039] hardirqs last enabled at (0): [<0000000000000000>] 0x0 000000 RSI: ffff9e75bad9bf70 RDI: ffffffff8d99bd90 # [ 58.812[ 66.955256] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 648] RBP: ffffffff8dde7408 R08: 0000000000000001 R09: 0000000000[ 66.970607] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 000001 # [ 58.820614] R10: 00000000ffffe000 R11: 3fffffffffff[ 66.985959] softirqs last disabled at (0): [<0000000000000000>] 0x0 ffff R12: 0000000000000004 # [ 58.828580] R13: ffffb303c154ff[ 66.999177] ---[ end trace ee95a40f003fd26a ]--- 10 R14: ffffb303c154ff10 R15: ffff9e754267b000 # [ 58.836549][ 67.010548] lkdtm: Zero detected: saturated FS: 00007fca1eda8580(0000) GS:ffff9e75bad80000(0000) knlGS:0000000000000000 # [ 58.845576] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 58.851988] CR2: 0000000000000000 CR3: 0000000105b9a001 CR4: 00000000003706e0 # [ 58.859955] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 58.869882] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1916, name: cat # [ 58.878336] INFO: lockdep is turned off. # [ 58.882710] irq event stamp: 0 # [ 58.886113] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 58.893110] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 58.902243] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 58.911374] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 58.918371] CPU: 3 PID: 1916 Comm: cat Tainted: G D W 5.10.154-cip20 #1 # [ 58.927007] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 58.933824] Call Trace: # [ 58.936551] dump_stack+0x77/0x9b # [ 58.940249] ___might_sleep.cold+0xa6/0xb6 # [ 58.944826] exit_signals+0x1c/0x2e0 # [ 58.948815] do_exit+0xd5/0xb00 # [ 58.958528] ? ksys_write+0x68/0xf0 # [ 58.962420] rewind_stack_do_exit+0x17/0x20 # [ 58.967088] RIP: 0033:0x7fca1ecbe8f3 # [ 58.971075] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 58.992052] RSP: 002b:00007ffca1192828 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 59.000506] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fca1[ 67.187887] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED [ 67.196136] lkdtm: attempting bad refcount_inc() from saturated [ 67.202777] ------------[ cut here ]------------ ecbe8f3 # [ 59.008473] RDX: 000000000000000c RSI: 00007fca1eb[ 67.207938] refcount_t: saturated; leaking memory. b1000 RDI: 0000000000000001 # [ 59.016439] RBP: 00007fca1ebb1[ 67.219507] WARNING: CPU: 3 PID: 2388 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 [ 67.235142] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 000 R08: 00007fca1ebb0010 R09: 0000000000000000 # [ 59.024407[ 67.261604] CPU: 3 PID: 2388 Comm: cat Tainted: G D W 5.10.154-cip20 #1 [ 67.276482] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 ] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000[ 67.283304] RIP: 0010:refcount_warn_saturate+0x51/0x110 [ 67.295342] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 91 40 94 01 00 75 ee 48 c7 c7 00 79 d2 8d c6 05 81 40 94 01 01 e8 2a 9b 98 00 <0f> 0b c3 cc cc cc cc 80 3d 6d 40 94 01 00 75 cb 48 c7 c7 28 79 d2 [ 67.316356] RSP: 0018:ffffb303c2e8fe48 EFLAGS: 00010286 [ 67.322193] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 [ 67.330164] RDX: ffff9e75badac660 RSI: ffff9e75bad9bf70 RDI: ffff9e75bad9bf70 [ 67.338137] RBP: ffffffff8dd8c035 R08: 0000000000000000 R09: 0000000000000000 [ 67.346108] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 67.354079] R13: ffffb303c2e8ff10 R14: ffffb303c2e8ff10 R15: ffff9e75439a0000 [ 67.362051] FS: 00007f93debcc580(0000) GS:ffff9e75bad80000(0000) knlGS:0000000000000000 [ 67.371092] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 67.377509] CR2: 00007f93de9d5000 CR3: 0000000102a38004 CR4: 00000000003706e0 [ 67.385481] Call Trace: [ 67.388212] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 [ 67.393694] direct_entry.cold+0x2c/0x38 [ 67.398103] full_proxy_write+0x53/0x80 [ 67.402414] vfs_write+0xe7/0x3a0 [ 67.406144] ksys_write+0x68/0xf0 [ 67.409848] do_syscall_64+0x30/0x40 [ 67.413885] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 67.419527] RIP: 0033:0x7f93deae28f3 [ 67.423519] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 67.444503] RSP: 002b:00007fffe5488cf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 67.452992] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f93deae28f3 [ 67.460964] RDX: 0000000000000017 RSI: 00007f93de9d5000 RDI: 0000000000000001 [ 67.468936] RBP: 00007f93de9d5000 R08: 00007f93de9d4010 R09: 0000000000000000 [ 67.476909] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 67.484879] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 001 # [ 59.032374] R13: 0000000000000001 R14: 000000000002000[ 67.492858] irq event stamp: 0 0 R15: 0000000000020000 # ACCESS_NULL: saw 'call trace:': ok o[ 67.502478] hardirqs last enabled at (0): [<0000000000000000>] 0x0 k 38 selftests: lkdtm: ACCESS_NULL.sh # selftests: lkdtm: WRITE[ 67.515698] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 67.531045] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 67.540183] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 67.547182] ---[ end trace ee95a40f003fd26b ]--- [ 67.552340] lkdtm: Saturation detected: still saturated _RO.sh # Killed # [ 59.158314] lkdtm: Performing direct entry WRITE_RO # [ 59.163912] lkdtm: attempting bad rodata write at ffffffff8d99c210 # [ 59.170835] BUG: unable to handle page fault for address: ffffffff8d99c210 # [ 59.178514] #PF: supervisor write access in kernel mode # [ 59.190562] #PF: error_code(0x0003) - permissions violation # [ 59.196786] PGD 21629067 P4D 21629067 PUD 2162a063 PMD 8000000020e000e1 # [ 59.204277] Oops: 0003 [#14] SMP PTI # [ 59.208258] CPU: 3 PID: 1951 Comm: cat Tainted: G D W 5.10.154-cip20 #1 # [ 59.216908] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 59.223714] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a # [ 59.228674] Code: 00 48 c7 c7 78 cd d8 8d 48 c7 c6 10 c2 99 8d e8 8c 9b fd ff 48 8b 05 e1 bb 62 00 ba 34 12 cd ab 48 c7 c7 a8 cd d8 8d 48 31 d0 <48> 89 05 cb bb 62 00 e9 6a 9b fd ff 0f 1f 44 00 00 48 8b 05 da 8c # [ 59.255882] RSP: 0018:ffffb303c27cfe60 EFLAGS: 00010202 # [ 59.261715] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 # [ 59.269682] RDX: 00000000abcd1234 RSI: ffff9e75bad9bf70 RDI: ffffffff8dd8cda8 # [ 59.277647] RBP: ffffffff8dd8bf95 R08: 0000000000000000 R09: 0000000000000000 # [ 59.285615] R10: 00000000ffffe000 R11: 3fffffff[ 67.679842] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED [ 67.689352] lkdtm: attempting bad refcount_dec() from saturated [ 67.695999] ------------[ cut here ]------------ [ 67.701192] refcount_t: decrement hit 0; leaking memory. ffffffff R12: 0000000000000009 # [ 59.293583] R13: ffffb303c2[ 67.707156] WARNING: CPU: 3 PID: 2423 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 7cff10 R14: ffffb303c27cff10 R15: ffff9e7545b31000 # [ 59.301[ 67.722780] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 67.755452] CPU: 3 PID: 2423 Comm: cat Tainted: G D W 5.10.154-cip20 #1 [ 67.764135] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 67.770944] RIP: 0010:refcount_warn_saturate+0xfb/0x110 551] FS: 00007f00f9618580(0000) GS:ffff9e75bad80000(0000) knlGS[ 67.776783] Code: b0 79 d2 8d c6 05 ed 3f 94 01 01 e8 9a 9a 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 80 79 d2 8d c6 05 d4 3f 94 01 01 e8 80 9a 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b [ 67.803983] RSP: 0018:ffffb303c2f2fe48 EFLAGS: 00010286 [ 67.809865] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 [ 67.817878] RDX: ffff9e75badac660 RSI: ffff9e75bad9bf70 RDI: ffff9e75bad9bf70 [ 67.825850] RBP: ffffffff8dd8c04c R08: 0000000000000000 R09: 0000000000000000 [ 67.833842] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 67.841829] R13: ffffb303c2f2ff10 R14: ffffb303c2f2ff10 R15: ffff9e7545aae000 :0000000000000000 # [ 59.310587] CS: 0010 DS: 0000 ES: 0000 [ 67.849803] FS: 00007f391bdd7580(0000) GS:ffff9e75bad80000(0000) knlGS:0000000000000000 [ 67.865051] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 67.871469] CR2: 00007f391bbe0000 CR3: 00000001059a4003 CR4: 00000000003706e0 [ 67.879439] Call Trace: [ 67.882171] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f CR0: 0000000080050033 # [ 59.317000] CR2: ffffffff8d99c210 CR[ 67.887647] direct_entry.cold+0x2c/0x38 [ 67.898233] full_proxy_write+0x53/0x80 [ 67.902518] vfs_write+0xe7/0x3a0 [ 67.906243] ksys_write+0x68/0xf0 [ 67.909944] do_syscall_64+0x30/0x40 [ 67.913961] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 67.919603] RIP: 0033:0x7f391bced8f3 [ 67.923593] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 67.944580] RSP: 002b:00007fff3cd5f238 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 67.953040] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f391bced8f3 [ 67.961012] RDX: 0000000000000017 RSI: 00007f391bbe0000 RDI: 0000000000000001 [ 67.968987] RBP: 00007f391bbe0000 R08: 00007f391bbdf010 R09: 0000000000000000 [ 67.976958] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 67.984931] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 67.992923] irq event stamp: 0 3: 00000001039bc006 CR4: 00000000003706e0 # [ 59.324968] Call[ 67.996341] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 68.009551] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 68.018691] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 68.027830] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 68.034831] ---[ end trace ee95a40f003fd26c ]--- [ 68.039986] lkdtm: Saturation detected: still saturated Trace: # [ 59.327695] direct_entry.cold+0x2c/0x38 # [ 59.332074] full_proxy_write+0x53/0x80 # [ 59.336353] vfs_write+0xe7/0x3a0 # [ 59.340050] ksys_write+0x68/0xf0 # [ 59.343747] do_syscall_64+0x30/0x40 # [ 59.347735] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 59.353366] RIP: 0033:0x7f00f952e8f3 # [ 59.357345] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 59.378315] RSP: 002b:00007ffca693dbe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 59.386766] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f00f952e8f3 # [ 59.394732] RDX: 0000000000000009 RSI: 00007f00f9421000 RDI: 0000000000000001 # [ 59.402701] RBP: 00007f00f9421000 R08: 00007f00f9420010 R09: 0000000000000000 # [ 59.410669] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 59.418637] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 59.426608] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 59.453056] CR2: ffffffff8d99c210 # [ 59.462964] ---[ end trace ee95a40f003fd25e ]--- # [ 59.468117] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 59.472493] Code: 89 ff e8 6e a3 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 06 94 02 # [ 59.493469] RSP: 0018:ffffb303c154[ 68.211474] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED fe60 EFLAGS: 00010282 # [ 59.499300] RAX: ffffffff8ccdff70 RB[ 68.220840] lkdtm: attempting bad refcount_dec() from saturated X: 0000000000000001 RCX: 0000000000000000 # [ 59.507266] RDX:[ 68.233653] ------------[ cut here ]------------ 0000000000000000 RSI: ffff9e75bad9bf70 RDI: ffffffff8d99bd90 #[ 68.245021] refcount_t: saturated; leaking memory. [ 59.515233] RBP: ffffffff8dde7408 R08: 0000000000000001 R09:[ 68.256613] WARNING: CPU: 1 PID: 2458 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 0000000000000001 # [ 59.523199] R10: 00000000ffffe000 R11: 3[ 68.272231] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify fffffffffffffff R12: 0000000000000004 # [ 59.531164] R13: fff[ 68.304876] CPU: 1 PID: 2458 Comm: cat Tainted: G D W 5.10.154-cip20 #1 fb303c154ff10 R14: ffffb303c154ff10 R15: ffff9e754267b000 # [ [ 68.319773] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 59.539132] FS: 00007f00f9618580(0000) GS:ffff9e75bad80000(0000[ 68.332798] RIP: 0010:refcount_warn_saturate+0x51/0x110 ) knlGS:0000000000000000 # [ 59.548170] CS: 0010 DS: 0000 ES[ 68.344850] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 91 40 94 01 00 75 ee 48 c7 c7 00 79 d2 8d c6 05 81 40 94 01 01 e8 2a 9b 98 00 <0f> 0b c3 cc cc cc cc 80 3d 6d 40 94 01 00 75 cb 48 c7 c7 28 79 d2 : 0000 CR0: 0000000080050033 # [ 59.554585] CR2: ffffffff8d99[ 68.372043] RSP: 0018:ffffb303c2fafe48 EFLAGS: 00010286 c210 CR3: 00000001039bc006 CR4: 00000000003706e0 # WRITE_RO: sa[ 68.384117] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 w 'call trace:': ok ok 39 selftests: lkdtm: WRITE_RO.sh # self[ 68.398283] RDX: ffff9e75bacac660 RSI: ffff9e75bac9bf70 RDI: ffff9e75bac9bf70 tests: lkdtm: WRITE_RO_AFTER_INIT.sh # Killed # [ 59.665038][ 68.412468] RBP: ffffffff8dd8c063 R08: 0000000000000000 R09: 0000000000000000 lkdtm: Performing direct entry WRITE_RO_AFTER_INIT # [ 59.67[ 68.426653] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 4763] lkdtm: attempting bad ro_after_init write at ffffffff8de09[ 68.440839] R13: ffffb303c2faff10 R14: ffffb303c2faff10 R15: ffff9e754350d000 330 # [ 59.688574] BUG: unable to handle page fault for addre[ 68.455025] FS: 00007faeb6e82580(0000) GS:ffff9e75bac80000(0000) knlGS:0000000000000000 ss: ffffffff8de09330 # [ 59.702449] #PF: supervisor write acc[ 68.470278] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 ess in kernel mode # [ 59.708275] #PF: error_code(0x0003) - p[ 68.482911] CR2: 00007faeb6c8b000 CR3: 00000001064c2003 CR4: 00000000003706e0 ermissions violation # [ 59.714504] PGD 21629067 P4D 21629067[ 68.497098] Call Trace: PUD 2162a063 PMD 104c39063 PTE 8000000021409061 # [ 59.72325[ 68.506045] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 7] Oops: 0003 [#15] SMP PTI # [ 59.733456] CPU: 1 PID: 1986 C[ 68.517707] direct_entry.cold+0x2c/0x38 omm: cat Tainted: G D W 5.10.154-cip20 #1 # [ 59[ 68.528298] full_proxy_write+0x53/0x80 .742103] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 68.538796] vfs_write+0xe7/0x3a0 # [ 59.748907] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a [ 68.548709] ksys_write+0x68/0xf0 # [ 59.754935] Code: cd d8 8d e9 3e 9b fd ff 48 c7 c7 00 ce d8[ 68.558623] do_syscall_64+0x30/0x40 8d e8 32 9b fd ff 48 8b 05 a7 8c a9 00 ba 34 12 cd ab 48 c7 c7 [ 68.568835] entry_SYSCALL_64_after_hwframe+0x61/0xc6 a8 cd d8 8d 48 31 d0 <48> 89 05 91 8c a9 00 e9 10 9b fd ff 0f 1f[ 68.580688] RIP: 0033:0x7faeb6d988f3 44 00 00 41 54 48 c7 c7 # [ 59.782124] RSP: 0018:ffffb303c28[ 68.590893] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 77e60 EFLAGS: 00010202 # [ 59.787957] RAX: 00000000fe67479e R[ 68.618090] RSP: 002b:00007ffc094ebe18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 68.632760] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007faeb6d988f3 BX: 0000000000000029 RCX: 0000000000000000 # [ 59.795924] RDX[ 68.640732] RDX: 0000000000000017 RSI: 00007faeb6c8b000 RDI: 0000000000000001 [ 68.654911] RBP: 00007faeb6c8b000 R08: 00007faeb6c8a010 R09: 0000000000000000 : 00000000abcd1234 RSI: ffff9e75bac9bf70 RDI: ffffffff8dd8cda8 [ 68.662886] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 68.677066] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 59.803891] RBP: ffffffff8dd8bf9e R08: 0000000000000000 R09[ 68.685062] irq event stamp: 0 : 0000000000000000 # [ 59.811878] R10: 00000000ffffe000 R11: [ 68.694656] hardirqs last enabled at (0): [<0000000000000000>] 0x0 3fffffffffffffff R12: 0000000000000014 # [ 59.819845] R13: ff[ 68.707879] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 ffb303c2877f10 R14: ffffb303c2877f10 R15: ffff9e7543325000 # [ [ 68.723232] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 68.738582] softirqs last disabled at (0): [<0000000000000000>] 0x0 59.827827] FS: 00007fa04225c580(0000) GS:ffff9e75bac80000(000[ 68.745609] ---[ end trace ee95a40f003fd26d ]--- 0) knlGS:0000000000000000 # [ 59.836876] CS: 0010 DS: 0000 E[ 68.756974] lkdtm: Saturation detected: still saturated S: 0000 CR0: 0000000080050033 # [ 59.843289] CR2: ffffffff8de09330 CR3: 0000000102bec002 CR4: 00000000003706e0 # [ 59.851258] Call Trace: # [ 59.853984] direct_entry.cold+0x2c/0x38 # [ 59.858363] full_proxy_write+0x53/0x80 # [ 59.862646] vfs_write+0xe7/0x3a0 # [ 59.872553] ksys_write+0x68/0xf0 # [ 59.876249] do_syscall_64+0x30/0x40 # [ 59.880228] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 59.885881] RIP: 0033:0x7fa0421728f3 # [ 59.889879] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 59.910856] RSP: 002b:00007ffed1008558 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 59.919332] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007fa0421728f3 # [ 59.933513] RDX: 0000000000000014 RSI: 00007fa042065000 RDI: 0000000000000001 # [ 59.941479] RBP: 00007fa042065000 R08: 00007fa042064010 R09: 0000000000000000 # [ 59.949446] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 59.957414] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 59.965385] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_senso[ 68.901959] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED [ 68.913441] lkdtm: attempting bad refcount_inc_not_zero() from saturated [ 68.920954] ------------[ cut here ]------------ rhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 5[ 68.926138] refcount_t: saturated; leaking memory. 9.998016] CR2: ffffffff8de09330 # [ 60.001712] ---[ end trace[ 68.937710] WARNING: CPU: 3 PID: 2490 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 [ 68.953341] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify ee95a40f003fd25f ]--- # [ 60.006877] RIP: 0010:lkdtm_BUG+0x5[ 68.979799] CPU: 3 PID: 2490 Comm: cat Tainted: G D W 5.10.154-cip20 #1 [ 68.994677] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 /0x10 # [ 60.011259] Code: 89 ff e8 6e a3 a3 ff 48 c7 c0 ea f[ 69.001499] RIP: 0010:refcount_warn_saturate+0x97/0x110 [ 69.013536] Code: 01 01 e8 07 9b 98 00 0f 0b c3 cc cc cc cc 80 3d 4c 40 94 01 00 75 a8 48 c7 c7 00 79 d2 8d c6 05 3c 40 94 01 01 e8 e4 9a 98 00 <0f> 0b c3 cc cc cc cc 80 3d 26 40 94 01 00 75 85 48 c7 c7 58 79 d2 [ 69.034518] RSP: 0018:ffffb303c300fe38 EFLAGS: 00010282 [ 69.040355] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 [ 69.048327] RDX: ffff9e75badac660 RSI: ffff9e75bad9bf70 RDI: ffff9e75bad9bf70 [ 69.056297] RBP: ffffffff8dd8bc90 R08: 0000000000000000 R09: 0000000000000000 [ 69.064266] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 69.072237] R13: ffffb303c300ff10 R14: ffffb303c300ff10 R15: ffff9e7542a17000 [ 69.080207] FS: 00007fc1d3207580(0000) GS:ffff9e75bad80000(0000) knlGS:0000000000000000 [ 69.089248] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.095665] CR2: 00007fc1d3010000 CR3: 0000000103464001 CR4: 00000000003706e0 [ 69.103637] Call Trace: [ 69.106365] __refcount_add_not_zero.constprop.0+0x2a/0x35 [ 69.112519] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 [ 69.118840] direct_entry.cold+0x2c/0x38 [ 69.123221] full_proxy_write+0x53/0x80 [ 69.127504] vfs_write+0xe7/0x3a0 [ 69.131203] ksys_write+0x68/0xf0 [ 69.134904] do_syscall_64+0x30/0x40 [ 69.138920] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 69.144561] RIP: 0033:0x7fc1d311d8f3 [ 69.148550] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 69.169533] RSP: 002b:00007ffca74296d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 69.177988] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fc1d311d8f3 [ 69.185958] RDX: 0000000000000020 RSI: 00007fc1d3010000 RDI: 0000000000000001 [ 69.193927] RBP: 00007fc1d3010000 R08: 00007fc1d300f010 R09: 0000000000000000 f ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff[ 69.201900] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 69.216087] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0[ 69.224064] irq event stamp: 0 [ 69.233677] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 69.240680] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 69.249833] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 f 1f 44 00 00 83 05 a0 06 94 02 # [ 60.038449] RSP: 0018:ffff[ 69.258971] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 69.272178] ---[ end trace ee95a40f003fd26e ]--- [ 69.277331] lkdtm: Saturation detected: still saturated b303c154fe60 EFLAGS: 00010282 # [ 60.044284] RAX: ffffffff8ccdff70 RBX: 0000000000000001 RCX: 0000000000000000 # [ 60.052252] RDX: 0000000000000000 RSI: ffff9e75bad9bf70 RDI: ffffffff8d99bd90 # [ 60.060218] RBP: ffffffff8dde7408 R08: 0000000000000001 R09: 0000000000000001 # [ 60.068185] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 60.076153] R13: ffffb303c154ff10 R14: ffffb303c154ff10 R15: ffff9e754267b000 # [ 60.084120] FS: 00007fa04225c580(0000) GS:ffff9e75bac80000(0000) knlGS:0000000000000000 # [ 60.093157] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 60.099570] CR2: ffffffff8de09330 CR3: 0000000102bec002 CR4: 00000000003706e0 # [ 60.107538] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 60.117449] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1986, name: cat # [ 60.125902] INFO: lockdep is turned off. # [ 60.130277] irq event stamp: 0 # [ 60.133682] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 60.140670] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 60.149825] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 60.158956] softirqs last disabled[ 69.403554] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED at (0): [<0000000000000000>] 0x0 # [ 60.165952] CPU: 1 PID: [ 69.415199] lkdtm: attempting bad refcount_add_not_zero() from saturated 1986 Comm: cat Tainted: G D W 5.10.154-cip20 #1 # [ 69.428900] ------------[ cut here ]------------ [ 69.440264] refcount_t: saturated; leaking memory. [ 60.174600] Hardware name: Google Rammus/Rammus, BIOS 09/04/[ 69.445643] WARNING: CPU: 1 PID: 2522 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 2020 # [ 60.181402] Call Trace: # [ 60.184129] dump_stack[ 69.461251] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify +0x77/0x9b # [ 60.187829] ___might_sleep.cold+0xa6/0xb6 # [[ 69.493885] CPU: 1 PID: 2522 Comm: cat Tainted: G D W 5.10.154-cip20 #1 60.192401] exit_signals+0x1c/0x2e0 # [ 60.202600] do_exi[ 69.508752] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 t+0xd5/0xb00 # [ 60.206103] ? ksys_write+0x68/0xf0 # [ 60[ 69.521774] RIP: 0010:refcount_warn_saturate+0x97/0x110 .209996] rewind_stack_do_exit+0x17/0x20 # [ 60.214664] RIP: [ 69.533831] Code: 01 01 e8 07 9b 98 00 0f 0b c3 cc cc cc cc 80 3d 4c 40 94 01 00 75 a8 48 c7 c7 00 79 d2 8d c6 05 3c 40 94 01 01 e8 e4 9a 98 00 <0f> 0b c3 cc cc cc cc 80 3d 26 40 94 01 00 75 85 48 c7 c7 58 79 d2 0033:0x7fa0421728f3 # [ 60.218651] Code: 8b 15 a1 25 0e 00 f7[ 69.561051] RSP: 0018:ffffb303c30e7e38 EFLAGS: 00010282 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 [ 69.573079] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77[ 69.587261] RDX: ffff9e75bacac660 RSI: ffff9e75bac9bf70 RDI: ffff9e75bac9bf70 [ 69.601445] RBP: ffffffff8dd8bcb0 R08: 0000000000000000 R09: 0000000000000000 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 60.239632] [ 69.609419] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 RSP: 002b:00007ffed1008558 EFLAGS: 00000246 ORIG_RAX: 0000000000[ 69.623598] R13: ffffb303c30e7f10 R14: ffffb303c30e7f10 R15: ffff9e7543034000 000001 # [ 60.248086] RAX: ffffffffffffffda RBX: 000000000000[ 69.637785] FS: 00007f52d5c4a580(0000) GS:ffff9e75bac80000(0000) knlGS:0000000000000000 [ 69.653037] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 0014 RCX: 00007fa0421728f3 # [ 60.256052] RDX: 00000000000000[ 69.659458] CR2: 00007f52d5a53000 CR3: 0000000103464003 CR4: 00000000003706e0 14 RSI: 00007fa042065000 RDI: 0000000000000001 # [ 60.264019][ 69.673639] Call Trace: RBP: 00007fa042065000 R08: 00007fa042064010 R09: 00000000000000[ 69.682621] __refcount_add_not_zero.constprop.0+0x2a/0x35 00 # [ 60.271986] R10: fffffffffffffbc5 R11: 0000000000000246[ 69.694969] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 R12: 0000000000000001 [ 69.707505] direct_entry.cold+0x2c/0x38 [ 69.714216] full_proxy_write+0x53/0x80 # [ 60.279952] R13: 0000000000000001 R14: 0000000000020000 R15[ 69.718526] vfs_write+0xe7/0x3a0 : 0000000000020000 # WRITE_RO_AFTER_INIT: saw 'call trace:': ok[ 69.728438] ksys_write+0x68/0xf0 ok 40 selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # selftests: l[ 69.738351] do_syscall_64+0x30/0x40 kdtm: WRITE_KERN.sh # Killed # [ 60.420329] lkdtm: Performin[ 69.748554] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 69.760409] RIP: 0033:0x7f52d5b608f3 g direct entry WRITE_KERN # [ 60.430330] lkdtm: attempting ba[ 69.764402] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 69.791595] RSP: 002b:00007ffd6193b078 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 69.800054] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f52d5b608f3 [ 69.808026] RDX: 0000000000000020 RSI: 00007f52d5a53000 RDI: 0000000000000001 [ 69.815999] RBP: 00007f52d5a53000 R08: 00007f52d5a52010 R09: 0000000000000000 [ 69.823971] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 69.831944] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 69.839924] irq event stamp: 0 d 6881897 byte write at ffffffff8d3705a9 # [ 60.444034] BUG: [ 69.843338] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 69.856549] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 69.865694] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 unable to handle page fault for address: ffffffff8d3705a9 # [ [ 69.874831] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 69.888040] ---[ end trace ee95a40f003fd26f ]--- 60.457915] #PF: supervisor write access in kernel mode # [ 6[ 69.893200] lkdtm: Saturation detected: still saturated 0.463749] #PF: error_code(0x0003) - permissions violation # [ 60.476182] PGD 21629067 P4D 21629067 PUD 2162a063 PMD 208000e1 # [ 60.489108] Oops: 0003 [#16] SMP PTI # [ 60.493098] CPU: 1 PID: 2021 Comm: cat Tainted: G D W 5.10.154-cip20 #1 # [ 60.501747] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 60.508553] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e # [ 60.513707] Code: 53 48 c7 c3 a9 05 37 8d 49 89 dc 48 89 da 49 81 ec 40 03 ce 8c 4c 89 e6 e8 e5 9a fd ff 48 89 df 4c 89 e1 48 c7 c6 40 03 ce 8c a4 48 c7 c7 a8 cd d8 8d e8 ca 9a fd ff 5b 41 5c e9 b7 fe ff ff # [ 60.540900] RSP: 0018:ffffb303c28f7e50 EFLAGS: 00010246 # [ 60.546733] RAX: 000000000000003c RBX: ffffffff8d3705a9 RCX: 0000000000690269 # [ 60.554699] RDX: 0000000000000000 RSI: ffffffff8cce0340 RDI: ffffffff8d3705a9 # [ 60.562666] RBP: ffffffff8dd8bfb2 R08: 0000000000000000 R09: 0000000000000000 # [ 60.570634] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000690269 # [ 60.578602] R13: ffffb303c28f7f10 R14: ffffb303c28f7f10 R15: ffff9e75432ba000 # [ 60.586569] FS: 00007fcda0025580(0000) GS:ffff9e75bac80000(0000) knlGS:0000000000000000 # [ 60.595604] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 60.602018] CR2: ffffffff8d3705a9 CR3: 00000001034fc006 CR4: 00000000003706e0 # [ [ 70.029741] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED [ 70.043534] lkdtm: attempting bad refcount_dec_and_test() from saturated 60.609985] Call Trace: # [ 60.612713] direct_entry.cold+0x2c[ 70.051050] ------------[ cut here ]------------ [ 70.062405] refcount_t: underflow; use-after-free. [ 70.067818] WARNING: CPU: 3 PID: 2557 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 /0x38 # [ 60.617092] full_proxy_write+0x53/0x80 # [ 60.62[ 70.077251] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 70.109883] CPU: 3 PID: 2557 Comm: cat Tainted: G D W 5.10.154-cip20 #1 [ 70.118565] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 70.125372] RIP: 0010:refcount_warn_saturate+0xba/0x110 [ 70.131210] Code: 01 01 e8 e4 9a 98 00 0f 0b c3 cc cc cc cc 80 3d 26 40 94 01 00 75 85 48 c7 c7 58 79 d2 8d c6 05 16 40 94 01 01 e8 c1 9a 98 00 <0f> 0b c3 cc cc cc cc 80 3d 01 40 94 01 00 0f 85 5e ff ff ff 48 c7 [ 70.152223] RSP: 0018:ffffb303c3147e40 EFLAGS: 00010286 7583] vfs_write+0xe7/0x3a0 # [ 60.631282] ksys_write+0x68/0[ 70.158062] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 xf0 # [ 60.641192] do_syscall_64+0x30/0x40 # [ 60.645181][ 70.172247] RDX: ffff9e75badac660 RSI: ffff9e75bad9bf70 RDI: ffff9e75bad9bf70 [ 70.186433] RBP: ffffffff8dd8bcd0 R08: 0000000000000000 R09: 0000000000000000 [ 70.194404] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 70.202375] R13: ffffb303c3147f10 R14: ffffb303c3147f10 R15: ffff9e7544d92000 [ 70.210349] FS: 00007f1d36ab9580(0000) GS:ffff9e75bad80000(0000) knlGS:0000000000000000 [ 70.219410] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 60.650826] RIP[ 70.225842] CR2: 00007f1d368c2000 CR3: 0000000105ab0003 CR4: 00000000003706e0 [ 70.240019] Call Trace: [ 70.242751] __refcount_sub_and_test.constprop.0+0x3c/0x50 [ 70.248909] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 [ 70.255232] direct_entry.cold+0x2c/0x38 [ 70.259636] full_proxy_write+0x53/0x80 [ 70.263944] vfs_write+0xe7/0x3a0 [ 70.267668] ksys_write+0x68/0xf0 [ 70.271369] do_syscall_64+0x30/0x40 [ 70.275362] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 70.281005] RIP: 0033:0x7f1d369cf8f3 [ 70.284995] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 70.305974] RSP: 002b:00007ffe9f0cd5d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 70.314431] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f1d369cf8f3 [ 70.322403] RDX: 0000000000000020 RSI: 00007f1d368c2000 RDI: 0000000000000001 [ 70.330373] RBP: 00007f1d368c2000 R08: 00007f1d368c1010 R09: 0000000000000000 [ 70.338345] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 70.346315] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 70.354289] irq event stamp: 0 [ 70.357727] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 70.364729] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 70.373879] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 70.383017] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 70.390019] ---[ end trace ee95a40f003fd270 ]--- [ 70.395173] lkdtm: Saturation detected: still saturated : 0033:0x7fcd9ff3b8f3 # [ 60.654825] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 60.675827] RSP: 002b:00007fff4dfbacb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 60.684281] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007fcd9ff3b8f3 # [ 60.692249] RDX: 000000000000000b RSI: 00007fcd9fe2e000 RDI: 0000000000000001 # [ 60.700219] RBP: 00007fcd9fe2e000 R08: 00007fcd9fe2d010 R09: 0000000000000000 # [ 60.708185] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 60.716152] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 60.724123] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 60.756752] CR2: ffffffff8d3705a9 # [ 60.760448] ---[ end trace ee95a40f003fd260 ]--- # [ 60.765602] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 60.769977] Code: 89 ff e8 6e a3 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 06 94 02 # [ 60.790955] RSP: 00[ 70.532607] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED 18:ffffb303c154fe60 EFLAGS: 00010282 # [ 60.796788] RAX: ffff[ 70.545484] lkdtm: attempting bad refcount_sub_and_test() from saturated ffff8ccdff70 RBX: 0000000000000001 RCX: 0000000000000000 # [ [ 70.559181] ------------[ cut here ]------------ 60.804756] RDX: 0000000000000000 RSI: ffff9e75bad9bf70 RDI: ffff[ 70.570547] refcount_t: underflow; use-after-free. ffff8d99bd90 # [ 60.812723] RBP: ffffffff8dde7408 R08: 000000[ 70.582146] WARNING: CPU: 1 PID: 2592 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 0000000001 R09: 0000000000000001 # [ 60.820690] R10: 00000000[ 70.597757] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 60.8[ 70.630392] CPU: 1 PID: 2592 Comm: cat Tainted: G D W 5.10.154-cip20 #1 [ 70.645254] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 28658] R13: ffffb303c154ff10 R14: ffffb303c154ff10 R15: ffff9e75[ 70.652061] RIP: 0010:refcount_warn_saturate+0xba/0x110 4267b000 # [ 60.836624] FS: 00007fcda0025580(0000) GS:ffff9e[ 70.664103] Code: 01 01 e8 e4 9a 98 00 0f 0b c3 cc cc cc cc 80 3d 26 40 94 01 00 75 85 48 c7 c7 58 79 d2 8d c6 05 16 40 94 01 01 e8 c1 9a 98 00 <0f> 0b c3 cc cc cc cc 80 3d 01 40 94 01 00 0f 85 5e ff ff ff 48 c7 75bac80000(0000) knlGS:0000000000000000 # [ 60.845660] CS: 0[ 70.691294] RSP: 0018:ffffb303c31e7e40 EFLAGS: 00010286 [ 70.703344] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 60.852073] CR[ 70.711317] RDX: ffff9e75bacac660 RSI: ffff9e75bac9bf70 RDI: ffff9e75bac9bf70 [ 70.725496] RBP: ffffffff8dd8bcf0 R08: 0000000000000000 R09: 0000000000000000 2: ffffffff8d3705a9 CR3: 00000001034fc006 CR4: 00000000003706e0 [ 70.733471] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # WRITE_KERN: saw 'call trace:': ok ok 41 selftests: lkdtm: WR[ 70.747651] R13: ffffb303c31e7f10 R14: ffffb303c31e7f10 R15: ffff9e7544e19000 ITE_KERN.sh # selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # [ [ 70.761839] FS: 00007fb6af4f7580(0000) GS:ffff9e75bac80000(0000) knlGS:0000000000000000 60.993891] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW[ 70.777096] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 61.003652] lkdtm: attempting good refcount_inc() without[ 70.789728] CR2: 00007fb6af300000 CR3: 000000010349c005 CR4: 00000000003706e0 overflow # [ 61.016753] lkdtm: attempting bad refcount_inc()[ 70.803916] Call Trace: overflow # [ 61.028992] ------------[ cut here ]------------[ 70.812862] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 61.034148] refcount_t: saturated; leaking memory. # [ [ 70.825201] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 61.045739] WARNING: CPU: 1 PID: 2056 at lib/refcount.c:22 refco[ 70.837739] direct_entry.cold+0x2c/0x38 unt_warn_saturate+0x51/0x110 # [ 61.061352] Modules linked in[ 70.848336] full_proxy_write+0x53/0x80 : fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrial[ 70.858832] vfs_write+0xe7/0x3a0 io_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros[ 70.868749] ksys_write+0x68/0xf0 _ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_[ 70.878660] do_syscall_64+0x30/0x40 pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 61.093988][ 70.888862] entry_SYSCALL_64_after_hwframe+0x61/0xc6 CPU: 1 PID: 2056 Comm: cat Tainted: G D W 5.10.154[ 70.900726] RIP: 0033:0x7fb6af40d8f3 -cip20 #1 # [ 61.108864] Hardware name: Google Rammus/Rammus,[ 70.910928] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 BIOS 09/04/2020 # [ 61.115702] RIP: 0010:refcount_warn_satu[ 70.938118] RSP: 002b:00007ffd3add8a68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 rate+0x51/0x110 # [ 61.127752] Code: 84 bc 00 00 00 c3 cc cc [ 70.952790] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fb6af40d8f3 [ 70.966975] RDX: 0000000000000020 RSI: 00007fb6af300000 RDI: 0000000000000001 cc cc 85 f6 74 46 80 3d 91 40 94 01 00 75 ee 48 c7 c7 00 79 d2 8[ 70.974950] RBP: 00007fb6af300000 R08: 00007fb6af2ff010 R09: 0000000000000000 [ 70.989131] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 d c6 05 81 40 94 01 01 e8 2a 9b 98 00 <0f> 0b c3 cc cc cc cc 80 [ 70.997104] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 3d 6d 40 94 01 00 75 cb 48 c7 c7 28 79 d2 # [ 61.154946] RSP:[ 71.011289] irq event stamp: 0 [ 71.020906] hardirqs last enabled at (0): [<0000000000000000>] 0x0 0018:ffffb303c296fe48 EFLAGS: 00010286 # [ 61.166995] RAX: 0[ 71.027910] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 000000000000000 RBX: 000000000000002b RCX: 0000000000000000 # [[ 71.043252] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 71.058607] softirqs last disabled at (0): [<0000000000000000>] 0x0 61.181182] RDX: ffff9e75bacac660 RSI: ffff9e75bac9bf70 RDI: f[ 71.065610] ---[ end trace ee95a40f003fd271 ]--- [ 71.076972] lkdtm: Saturation detected: still saturated fff9e75bac9bf70 # [ 61.189154] RBP: ffffffff8dd8bfbd R08: 0000000000000000 R09: 0000000000000000 # [ 61.203360] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 61.217525] R13: ffffb303c296ff10 R14: ffffb303c296ff10 R15: ffff9e75434e6000 # [ 61.231711] FS: 00007f9c4babb580(0000) GS:ffff9e75bac80000(0000) knlGS:0000000000000000 # [ 61.240753] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 61.253381] CR2: 00007f9c4b8c4000 CR3: 0000000105b98002 CR4: 00000000003706e0 # [ 61.261353] Call Trace: # [ 61.270294] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 # [ 61.281878] direct_entry.cold+0x2c/0x38 # [ 61.292473] full_proxy_write+0x53/0x80 # [ 61.302970] vfs_write+0xe7/0x3a0 # [ 61.312885] ksys_write+0x68/0xf0 # [ 61.322831] do_syscall_64+0x30/0x40 # [ 61.333036] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 61.344892] RIP: 0033:0x7f9c4b9d18f3 # [ 61.348907] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 61.376094] RSP: 002b:00007fffa6ae0eb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 61.390765] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f9c4b9d18f3 # [ 61.398737] RDX: 0000000000000016 RSI: 00007f9c4b8c4000 RDI: 0000000000000001 # [ 61.412917] RBP: 00007f9c4b8c4000 R08: 00007f9c4b8c3010 R09: 0000000000000000 # [ 61.420887] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 61.435071] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 61.449280] irq event stamp: 0 # [ 61.458879] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 61.465881] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 71.262509] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 61.481225] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 61.490362] softirqs last d[ 71.282602] lkdtm: attempting bad copy_to_user of too large size isabled at (0): [<0000000000000000>] 0x0 # [ 61.503570] ---[ end trace ee95a40f003fd261 ]--- # [ 61.508726] 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 # [ 61.637967] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 61.644796] lkdtm: attempting good refcount_add() without overflow # [ 61.651731] lkdtm: attempting bad refcount_add() overflow # [ 61.657762] ------------[ cut here ]------------ # [ 61.662938] refcount_t: saturated; leaking memory. # [ 61.668316] WARNING: CPU: 3 PID: 2088 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 61.677753] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 61.710382] CPU: 3 PID: 2088 Comm: cat Tainted: G D W 5.10.154-cip20 #1 # [ 61.719035] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 61.732058] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 61.737916] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 91 40 94 01 00 75 ee 48 c7 c7 00 79 d2 8d c6 05 81 40 94 01 01 e8 2a 9b 98 00 <0f> 0b c3 cc cc cc cc 80 3d 6d 40 94 01 00 75 cb 48 c7 c7 28 79 d2 # [ 61.758898] RSP: 0018:ffffb303c2a07e[ 71.436008] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM [ 71.445365] lkdtm: attempting good copy_from_user of correct size [ 71.452225] lkdtm: attempting bad copy_from_user of too large size 48 EFLAGS: 00010286 # [ 61.764734] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 # [ 61.772726] RDX: ffff9e75badac660 RSI: ffff9e75bad9bf70 RDI: ffff9e75bad9bf70 # [ 61.780711] RBP: ffffffff8dd8bfd3 R08: 0000000000000000 R09: 0000000000000000 # [ 61.794884] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 61.802866] R13: ffffb303c2a07f10 R14: ffffb303c2a07f10 R15: ffff9e7543204000 # [ 61.810878] FS: 00007fda37eaa580(0000) GS:ffff9e75bad80000(0000) knlGS:0000000000000000 # [ 61.819916] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 61.826332] CR2: 00007fda37cb3000 CR3: 0000000103464006 CR4: 00000000003706e0 # [ 61.834302] Call Trace: # [ 61.837033] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 # [ 61.842410] direct_entry.cold+0x2c/0x38 # [ 61.846818] full_proxy_write+0x53/0x80 # [ 61.851128] vfs_write+0xe7/0x3a0 # [ 61.854853] ksys_write+0x68/0xf0 # [ 61.858554] do_syscall_64+0x30/0x40 # [ 61.862570] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 61.868211] RIP: 0033:0x7fda37dc08f3 # [ 61.872201] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40[ 71.579065] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO 00 48 83 ec 28 48 89 54 24 18 # [ 61.893183] RSP: 002b:00007[ 71.590753] lkdtm: attempting good copy_to_user inside whitelist ffeafedd958 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 6[ 71.603703] lkdtm: attempting bad copy_to_user outside whitelist 1.901640] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fda37dc08f3 # [ 61.909611] RDX: 0000000000000016 RSI: 00007fda37cb3000 RDI: 0000000000000001 # [ 61.917580] RBP: 00007fda37cb3000 R08: 00007fda37cb2010 R09: 0000000000000000 # [ 61.925552] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 61.933522] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 61.941496] irq event stamp: 0 # [ 61.944925] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 61.951926] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 61.961063] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 61.970199] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 61.977197] ---[ end trace ee95a40f003fd262 ]--- # [ 61.982350] 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 # [ 62.147559] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 62.156596] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 62.169720] ------------[ cut here ]------------ # [ 62.181086] refcount_t: saturated; leaking memory. # [ 62.186465] WARNING: CPU: 1 PID: 2120 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 62.202072] Modules linked in: fuse ip_tables cros_[ 71.755233] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kf[ 71.767094] lkdtm: attempting good copy_from_user inside whitelist ifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debu[ 71.780210] lkdtm: attempting bad copy_from_user outside whitelist gfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 62.234708] CPU: 1 PID: 2120 Comm: cat Tainted: G D W 5.10.154-cip20 #1 # [ 62.249571] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 62.262591] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 62.268453] Code: 01 01 e8 07 9b 98 00 0f 0b c3 cc cc cc cc 80 3d 4c 40 94 01 00 75 a8 48 c7 c7 00 79 d2 8d c6 05 3c 40 94 01 01 e8 e4 9a 98 00 <0f> 0b c3 cc cc cc cc 80 3d 26 40 94 01 00 75 85 48 c7 c7 58 79 d2 # [ 62.295644] RSP: 0018:ffffb303c29e7e38 EFLAGS: 00010282 # [ 62.307692] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 62.321878] RDX: ffff9e75bacac660 RSI: ffff9e75bac9bf70 RDI: ffff9e75bac9bf70 # [ 62.329852] RBP: ffffffff8dd8bc10 R08: 0000000000000000 R09: 0000000000000000 # [ 62.344031] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 62.352005] R13: ffffb303c29e7f10 R14: ffffb303c29e7f10 R15: ffff9e7545b9a000 # [ 62.366185] FS: 00007f4a2d13f580(0000) GS:ffff9e75bac80000(0000) knlGS:0000000000000000 # [ 62.381439] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 62.394069] CR2: 00007f4a2cf48000 CR3: 00000001038e8006 CR4: 00000000003706e0 # [ 62.408253] Call Trace: # [ 62.410990] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 62.423322] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 62.435795] direct_entry.cold+0x2c/0x38 # [ 62.446389] full_proxy_write+0x53/0x80 # [ 62.456888] vf[ 71.939019] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO [ 71.949549] lkdtm: good_stack: ffffb303c35dfe20-ffffb303c35dfe40 [ 71.956293] lkdtm: bad_stack : ffffb303c35dfda8-ffffb303c35dfdc8 s_write+0xe7/0x3a0 # [ 62.466800] ksys_write+0x68/0xf0 # [ [ 71.963042] lkdtm: attempting good copy_to_user of local stack [ 71.975762] lkdtm: attempting bad copy_to_user of distant stack 62.476716] do_syscall_64+0x30/0x40 # [ 62.486922] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 62.498786] RIP: 0033:0x7f4a2d0558f3 # [ 62.508989] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 62.536180] RSP: 002b:00007ffdd52f7c08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 62.550851] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f4a2d0558f3 # [ 62.565037] RDX: 000000000000001f RSI: 00007f4a2cf48000 RDI: 0000000000000001 # [ 62.579223] RBP: 00007f4a2cf48000 R08: 00007f4a2cf47010 R09: 0000000000000000 # [ 62.593412] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 62.607597] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 62.621794] irq event stamp: 0 # [ 62.631408] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 62.644626] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 62.659980] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 62.675332] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 62.688545] ---[ end trace ee95a40f003fd263 ]--- # [ 62.699915] lkdtm: Overflow detected: saturated # REFCOUNT_INC_NOT_ZERO_OVERFLOW: saw 'call trace:': [ 72.117432] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM ok ok 44 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh #[ 72.126279] lkdtm: good_stack: ffffb303c3657e20-ffffb303c3657e40 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh # [ 62.8[ 72.139194] lkdtm: bad_stack : ffffb303c3657da8-ffffb303c3657dc8 45833] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVER[ 72.152153] lkdtm: attempting good copy_from_user of local stack [ 72.165057] lkdtm: attempting bad copy_from_user of distant stack FLOW # [ 62.855570] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 62.868705] ------------[ cut here ]------------ # [ 62.880065] refcount_t: saturated; leaking memory. # [ 62.891666] WARNING: CPU: 1 PID: 2152 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 62.907279] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 62.939913] CPU: 1 PID: 2152 Comm: cat Tainted: G D W 5.10.154-cip20 #1 # [ 62.954779] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 62.967824] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 62.979890] Code: 01 01 e8 07 9b 98 00 0f 0b c3 cc cc cc cc 80 3d 4c 40 94 01 00 75 a8 48 c7 c7 00 79 d2 8d c6 05 3c 40 94 01 01 e8 e4 9a 98 00 <0f> 0b c3 cc cc cc cc 80 3d 26 40 94 01 00 75 85 48 c7 c7 58 79 d2 # [ 63.007083] RSP: 0018:ffffb303c2ad7e38 EFLAGS: 00010282 # [ 63.019132] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 63.033318] RDX: ffff9e75bacac660 RSI: ffff9e75bac9bf70 RDI: ffff9e75bac9bf70 # [ 63.047503] RBP: ffffffff8dd8bc30 R08: 0000000000000000 R09: 0000000000000000 # [ 63.061686] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 63.075879] R13: ffffb303c2ad7f10 R14: ffffb303c2ad7f10 R15: ffff9e7544edc000 # [ 63.090065] FS: 00007f3ecc077580(0000) GS[ 72.318774] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND [ 72.327956] lkdtm: good_stack: ffffb303c36c7e20-ffffb303c36c7e40 [ 72.334685] lkdtm: bad_stack : ffffb303c36c7ff8-ffffb303c36c8018 [ 72.341425] lkdtm: attempting good copy_to_user of local stack [ 72.347963] lkdtm: attempting bad copy_to_user of distant stack [ 72.354595] lkdtm: copy_to_user failed, but lacked Oops :ffff9e75bac80000(0000) knlGS:0000000000000000 # [ 63.105319] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 63.117953] CR2: 00007f3ecbe80000 CR3: 000000010352a001 CR4: 00000000003706e0 # [ 63.132137] Call Trace: # [ 63.141086] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 63.153446] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 63.165882] direct_entry.cold+0x2c/0x38 # [ 63.176473] full_proxy_write+0x53/0x80 # [ 63.186972] vfs_write+0xe7/0x3a0 # [ 63.196913] ksys_write+0x68/0xf0 # [ 63.206828] do_syscall_64+0x30/0x40 # [ 63.217029] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 63.228885] RIP: 0033:0x7f3ecbf8d8f3 # [ 63.239090] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 63.260073] RSP: 002b:00007fff41e4a4f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 63.274737] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f3ecbf8d8f3 # [ 63.282708] RDX: 000000000000001f RSI: 00007f3ecbe80000 RDI: 0000000000000001 # [ 63.296887] RBP: 00007f3ecbe80000 R08: 00007f3ecbe7f010 R09: 0000000000000000 # [ 63.304877] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 63.319056] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 63.327052] irq event stamp: 0 # [ 63.336644] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 63.343646] h[ 72.507845] lkdtm: Performing direct entry USERCOPY_KERNEL [ 72.515957] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff8d99c230 [ 72.524626] lkdtm: attempting bad copy_to_user from kernel text: ffffffff8c6e31e0 [ 72.533001] lkdtm: FAIL: survived bad copy_to_user() ardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 63.358991] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 63.368129] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 63.381339] ---[ end trace ee95a40f003fd264 ]--- # [ 63.392709] lkdtm: Overflow detected: saturated # REFCOUNT_ADD_NOT_ZERO_OVERFLOW: saw 'call trace:': ok ok 45 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_DEC_ZERO.sh # [ 63.506271] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 63.515972] lkdtm: attempting good refcount_dec() # [ 63.527442] lkdtm: attempting bad refcount_dec() to zero # [ 63.539588] ------------[ cut here ]------------ # [ 63.550955] refcount_t: decrement hit 0; leaking memory. # [ 63.556917] WARNING: CPU: 1 PID: 2184 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 63.572528] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 63.605186] CPU: 1 PID: 2184 Comm: cat Tainted: G D W 5.10.154-cip20 #1 # [ 63.620029] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 63.633047] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 63.638883] Code: b0 79 d2 8d c6 05 ed 3f 94 01 01 e8 9a 9a 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 80 79 d2 8d c6 05 [ 72.681642] lkdtm: Performing direct entry STACKLEAK_ERASING d4 3f 94 01 01 e8 80 9a 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f[ 72.694125] lkdtm: checking unused part of the thread stack (15928 bytes)... 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 63.666074] RSP: 0018:ff[ 72.708221] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) ffb303c2b67e48 EFLAGS: 00010286 # [ 63.671910] RAX: 000000000[ 72.722211] lkdtm: FAIL: the thread stack is NOT properly erased 0000000 RBX: 000000000000002f RCX: 0000000000000000 # [ 63.68[ 72.735126] CPU: 0 PID: 2957 Comm: cat Tainted: G D W 5.10.154-cip20 #1 [ 72.749971] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 72.756774] Call Trace: [ 72.759505] dump_stack+0x77/0x9b [ 72.763209] lkdtm_STACKLEAK_ERASING+0x116/0x144 [ 72.768368] direct_entry.cold+0x2c/0x38 [ 72.772746] full_proxy_write+0x53/0x80 [ 72.777034] vfs_write+0xe7/0x3a0 [ 72.780738] ksys_write+0x68/0xf0 [ 72.784436] do_syscall_64+0x30/0x40 [ 72.788426] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 72.794068] RIP: 0033:0x7f2bcdc878f3 [ 72.798056] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 72.819027] RSP: 002b:00007ffcce2e5f78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 72.827482] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f2bcdc878f3 [ 72.835449] RDX: 0000000000000012 RSI: 00007f2bcdb7a000 RDI: 0000000000000001 [ 72.843410] RBP: 00007f2bcdb7a000 R08: 00007f2bcdb79010 R09: 0000000000000000 [ 72.851368] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 72.859335] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 6089] RDX: ffff9e75bacac660 RSI: ffff9e75bac9bf70 RDI: ffff9e75bac9bf70 # [ 63.694061] RBP: ffffffff8dd8bfe9 R08: 0000000000000000 R09: 0000000000000000 # [ 63.708238] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 63.716210] R13: ffffb303c2b67f10 R14: ffffb303c2b67f10 R15: ffff9e75432fa000 # [ 63.730389] FS: 00007fe22277b580(0000) GS:ffff9e75bac80000(0000) knlGS:0000000000000000 # [ 63.739430] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 63.752057] CR2: 00007fe222584000 CR3: 0000000103204002 CR4: 00000000003706e0 # [ 63.760029] Call Trace: # [ 63.768968] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd # [ 63.780143] direct_entry.cold+0x2c/0x38 # [ 63.790737] full_proxy_write+0x53/0x80 # [ 63.801238] vfs_write+0xe7/0x3a0 # [ 63.811151] ksys_write+0x68/0xf0 # [ 63.821066] do_syscall_64+0x30/0x40 # [ 63.831272] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 63.843128] RIP: 0033:0x7fe2226918f3 # [ 63.847118] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 63.874307] RSP: 002b:00007ffcaabf8758 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 63.882765] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fe2226918f3 # [ 63.896945] RDX: 0000000000000012 RSI: 00007fe222584000 RDI: 0000000000000001 # [ 63.904918] RBP: 00007fe222584000 R08: 00007fe222583010 R09: 0000000000000000 # [[ 73.011879] lkdtm: Performing direct entry CFI_FORWARD_PROTO [ 73.022889] lkdtm: Calling matched prototype ... 63.919098] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0[ 73.028058] lkdtm: Calling mismatched prototype ... [ 73.039718] lkdtm: Fail: survived mismatched prototype function call! 000000000000001 # [ 63.927070] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 63.941255] irq event stamp: 0 # [ 63.950879] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 63.957889] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 63.973232] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 63.982369] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 63.995577] ---[ end trace ee95a40f003fd265 ]--- # [ 64.000734] 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 # [ 64.122585] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 64.130404] lkdtm: attempting bad refcount_dec() below zero # [ 64.142847] ------------[ cut here ]------------ # [ 64.154211] refcount_t: decrement hit 0; leaking memory. # [ 64.166390] WARNING: CPU: 1 PID: 2219 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 64.182000] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 64.214660] CPU: 1 PID: 2219 Comm: cat Tainted: G D W 5.10.154-cip20 #1 # [ 64.229522] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 64.242521] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 64.254572] Code: b0 79 d2 8d c6 05 ed 3f 94 01 01 e8 9a 9a 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 80 79 d2 8d c6 05 d4 3f 94 01 01 e8 80 9a 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 64.281769] RSP: 0018:ffffb303c2bcfe48 EFLAGS: 00010286 # [ 64.293830] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 # [ 64.308016] RDX: ffff9e75bacac660 RSI: ffff9e75bac9bf70 RDI: ffff9e75bac9bf70 # [ 64.322202] RBP: ffffffff8dd8bffb R08: 0000000000000000 R09: 0000000000000000 # [ 64.336388] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 64.350572] R13: ffffb303c2bcff10 R14: ffffb303c2bcff10 R15: ffff9e75429c5000 # [ 64.364758] FS: 00007fa302471580(0000) GS:ffff9e75bac80000(0000) knlGS:0000000000000000 # [ 64.380011] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 64.392644] CR2: 00007fa30227a000 CR3: 000000010393a005 CR4: 00000000003706e0 # [ 64.406831] Call Trace: # [ 64.415777] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 # [ 64.427345] direct_entry.cold+0x2c/0x38 # [ 64.437937] full_proxy_write+0x53/0x80 # [ 64.448433] vfs_write+0xe7/0x3a0 # [ 64.458346] ksys_write+0x68/0xf0 # [ 64.468262] do_syscall_64+0x30/0x40 # [ 64.478467] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 64.490323] RIP: 0033:0x7fa3023878f3 # [ 64.494338] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 64.521527] RSP: 002b:00007ffece04a088 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 64.536198] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fa3023878f3 # [ 64.544170] RDX: 0000000000000016 RSI: 00007fa30227a000 RDI: 0000000000000001 # [ 64.558349] RBP: 00007fa30227a000 R08: 00007fa302279010 R09: 0000000000000000 # [ 64.566321] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 64.580501] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 64.588478] irq event stamp: 0 # [ 64.598088] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 64.605091] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 64.620434] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 64.629572] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 64.642780] ---[ end trace ee95a40f003fd266 ]--- # [ 64.647936] lkdtm: Negative detected: saturated # REFCOUNT_DEC_NEGATIVE: saw 'Negative detected: saturated': ok ok 47 selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh # [ 64.770398] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 64.778686] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 64.785827] ------------[ cut here ]------------ # [ 64.791024] refcount_t: underflow; use-after-free. # [ 64.802608] WARNING: CPU: 2 PID: 2254 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 64.818238] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 64.844693] CPU: 2 PID: 2254 Comm: cat Tainted: G D W 5.10.154-cip20 #1 # [ 64.859573] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 64.866395] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 64.878433] Code: 01 01 e8 e4 9a 98 00 0f 0b c3 cc cc cc cc 80 3d 26 40 94 01 00 75 85 48 c7 c7 58 79 d2 8d c6 05 16 40 94 01 01 e8 c1 9a 98 00 <0f> 0b c3 cc cc cc cc 80 3d 01 40 94 01 00 0f 85 5e ff ff ff 48 c7 # [ 64.899417] RSP: 0018:ffffb303c2c77e40 EFLAGS: 00010286 # [ 64.905254] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 # [ 64.913226] RDX: ffff9e75bad2c660 RSI: ffff9e75bad1bf70 RDI: ffff9e75bad1bf70 # [ 64.921198] RBP: ffffffff8dd8bc50 R08: 0000000000000000 R09: 0000000000000000 # [ 64.929169] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 64.937141] R13: ffffb303c2c77f10 R14: ffffb303c2c77f10 R15: ffff9e7545a98000 # [ 64.945112] FS: 00007f45a9b2d580(0000) GS:ffff9e75bad00000(0000) knlGS:0000000000000000 # [ 64.954152] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 64.960571] CR2: 00007f45a9936000 CR3: 00000001029bc001 CR4: 00000000003706e0 # [ 64.968540] Call Trace: # [ 64.971271] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 64.977428] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 # [ 64.983654] direct_entry.cold+0x2c/0x38 # [ 64.988057] full_proxy_write+0x53/0x80 # [ 64.992366] vfs_write+0xe7/0x3a0 # [ 64.996090] ksys_write+0x68/0xf0 # [ 64.999790] do_syscall_64+0x30/0x40 # [ 65.003809] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 65.015658] RIP: 0033:0x7f45a9a438f3 # [ 65.019648] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 65.040631] RSP: 002b:00007ffef3e27378 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 65.049089] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f45a9a438f3 # [ 65.057062] RDX: 000000000000001f RSI: 00007f45a9936000 RDI: 0000000000000001 # [ 65.065032] RBP: 00007f45a9936000 R08: 00007f45a9935010 R09: 0000000000000000 # [ 65.073005] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 65.087192] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 65.095169] irq event stamp: 0 # [ 65.104781] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 65.111784] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 65.127126] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 65.142481] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 65.155696] ---[ end trace ee95a40f003fd267 ]--- # [ 65.160850] 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 # [ 65.279333] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 65.291600] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 65.304894] ------------[ cut here ]------------ # [ 65.316264] refcount_t: underflow; use-after-free. # [ 65.327842] WARNING: CPU: 1 PID: 2289 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 65.343473] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 65.376105] CPU: 1 PID: 2289 Comm: cat Tainted: G D W 5.10.154-cip20 #1 # [ 65.390970] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 65.403996] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 65.416044] Code: 01 01 e8 e4 9a 98 00 0f 0b c3 cc cc cc cc 80 3d 26 40 94 01 00 75 85 48 c7 c7 58 79 d2 8d c6 05 16 40 94 01 01 e8 c1 9a 98 00 <0f> 0b c3 cc cc cc cc 80 3d 01 40 94 01 00 0f 85 5e ff ff ff 48 c7 # [ 65.443236] RSP: 0018:ffffb303c2cf7e40 EFLAGS: 00010286 # [ 65.455312] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 # [ 65.469502] RDX: ffff9e75bacac660 RSI: ffff9e75bac9bf70 RDI: ffff9e75bac9bf70 # [ 65.483683] RBP: ffffffff8dd8bc70 R08: 0000000000000000 R09: 0000000000000000 # [ 65.491656] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 65.505836] R13: ffffb303c2cf7f10 R14: ffffb303c2cf7f10 R15: ffff9e75435cf000 # [ 65.513828] FS: 00007fa1bc1ed580(0000) GS:ffff9e75bac80000(0000) knlGS:0000000000000000 # [ 65.529074] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 65.535493] CR2: 00007fa1bbff6000 CR3: 0000000105bc8004 CR4: 00000000003706e0 # [ 65.549673] Call Trace: # [ 65.552405] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 65.564739] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b # [ 65.577178] direct_entry.cold+0x2c/0x38 # [ 65.587772] full_proxy_write+0x53/0x80 # [ 65.598268] vfs_write+0xe7/0x3a0 # [ 65.608181] ksys_write+0x68/0xf0 # [ 65.618095] do_syscall_64+0x30/0x40 # [ 65.628300] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 65.640154] RIP: 0033:0x7fa1bc1038f3 # [ 65.644147] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 65.671335] RSP: 002b:00007ffdac8828a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 65.686007] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fa1bc1038f3 # [ 65.700194] RDX: 000000000000001f RSI: 00007fa1bbff6000 RDI: 0000000000000001 # [ 65.714377] RBP: 00007fa1bbff6000 R08: 00007fa1bbff5010 R09: 0000000000000000 # [ 65.722349] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 65.736531] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 65.744525] irq event stamp: 0 # [ 65.754121] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 65.761124] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 65.776467] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 65.785604] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 65.798827] ---[ end trace ee95a40f003fd268 ]--- # [ 65.803986] 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 # [ 65.926703] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 65.933491] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 65.940626] lkdtm: Good: zero detected # [ 65.944840] lkdtm: Correctly stayed at zero # [ 65.949518] lkdtm: attempting bad refcount_inc() from zero # [ 65.961858] ------------[ cut here ]------------ # [ 65.973228] refcount_t: addition on 0; use-after-free. # [ 65.978994] WARNING: CPU: 3 PID: 2321 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 65.988429] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 66.021062] CPU: 3 PID: 2321 Comm: cat Tainted: G D W 5.10.154-cip20 #1 # [ 66.029746] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 66.036576] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 66.042412] Code: 01 01 e8 2a 9b 98 00 0f 0b c3 cc cc cc cc 80 3d 6d 40 94 01 00 75 cb 48 c7 c7 28 79 d2 8d c6 05 5d 40 94 01 01 e8 07 9b 98 00 <0f> 0b c3 cc cc cc cc 80 3d 4c 40 94 01 00 75 a8 48 c7 c7 00 79 d2 # [ 66.063394] RSP: 0018:ffffb303c2d3fe48 EFLAGS: 00010286 # [ 66.069231] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 # [ 66.077203] RDX: ffff9e75badac660 RSI: ffff9e75bad9bf70 RDI: ffff9e75bad9bf70 # [ 66.085172] RBP: ffffffff8dd8c011 R08: 0000000000000000 R09: 0000000000000000 # [ 66.093142] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 66.101114] R13: ffffb303c2d3ff10 R14: ffffb303c2d3ff10 R15: ffff9e7543204000 # [ 66.109085] FS: 00007f2b33490580(0000) GS:ffff9e75bad80000(0000) knlGS:0000000000000000 # [ 66.118124] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 66.124542] CR2: 00007f2b33299000 CR3: 000000010325a001 CR4: 00000000003706e0 # [ 66.132511] Call Trace: # [ 66.135241] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 # [ 66.140228] direct_entry.cold+0x2c/0x38 # [ 66.144609] full_proxy_write+0x53/0x80 # [ 66.148916] vfs_write+0xe7/0x3a0 # [ 66.152642] ksys_write+0x68/0xf0 # [ 66.156343] do_syscall_64+0x30/0x40 # [ 66.160335] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 66.165975] RIP: 0033:0x7f2b333a68f3 # [ 66.169966] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 66.190948] RSP: 002b:00007ffdd2c1d828 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 66.199404] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f2b333a68f3 # [ 66.207375] RDX: 0000000000000012 RSI: 00007f2b33299000 RDI: 0000000000000001 # [ 66.215348] RBP: 00007f2b33299000 R08: 00007f2b33298010 R09: 0000000000000000 # [ 66.223317] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 66.231290] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 66.245485] irq event stamp: 0 # [ 66.255108] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 66.262140] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 66.271278] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 66.280415] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 66.287417] ---[ end trace ee95a40f003fd269 ]--- # [ 66.292573] lkdtm: Zero detected: saturated # REFCOUNT_INC_ZERO: saw 'call trace:': ok ok 50 selftests: lkdtm: REFCOUNT_INC_ZERO.sh # selftests: lkdtm: REFCOUNT_ADD_ZERO.sh # [ 66.412149] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 66.421768] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 66.435101] lkdtm: Good: zero detected # [ 66.445476] lkdtm: Correctly stayed at zero # [ 66.450148] lkdtm: attempting bad refcount_add() from zero # [ 66.462490] ------------[ cut here ]------------ # [ 66.473879] refcount_t: addition on 0; use-after-free. # [ 66.485844] WARNING: CPU: 1 PID: 2353 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 66.501473] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 66.534108] CPU: 1 PID: 2353 Comm: cat Tainted: G D W 5.10.154-cip20 #1 # [ 66.548978] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 66.561998] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 66.574046] Code: 01 01 e8 2a 9b 98 00 0f 0b c3 cc cc cc cc 80 3d 6d 40 94 01 00 75 cb 48 c7 c7 28 79 d2 8d c6 05 5d 40 94 01 01 e8 07 9b 98 00 <0f> 0b c3 cc cc cc cc 80 3d 4c 40 94 01 00 75 a8 48 c7 c7 00 79 d2 # [ 66.601249] RSP: 0018:ffffb303c2dffe48 EFLAGS: 00010286 # [ 66.613298] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 # [ 66.627478] RDX: ffff9e75bacac660 RSI: ffff9e75bac9bf70 RDI: ffff9e75bac9bf70 # [ 66.641664] RBP: ffffffff8dd8c023 R08: 0000000000000000 R09: 0000000000000000 # [ 66.655852] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 66.670039] R13: ffffb303c2dfff10 R14: ffffb303c2dfff10 R15: ffff9e754580e000 # [ 66.684226] FS: 00007f72765ee580(0000) GS:ffff9e75bac80000(0000) knlGS:0000000000000000 # [ 66.699480] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 66.712111] CR2: 00007f72763f7000 CR3: 0000000102bec006 CR4: 00000000003706e0 # [ 66.726294] Call Trace: # [ 66.735242] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 # [ 66.746417] direct_entry.cold+0x2c/0x38 # [ 66.757009] full_proxy_write+0x53/0x80 # [ 66.767506] vfs_write+0xe7/0x3a0 # [ 66.777419] ksys_write+0x68/0xf0 # [ 66.787334] do_syscall_64+0x30/0x40 # [ 66.797540] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 66.809394] RIP: 0033:0x7f72765048f3 # [ 66.819602] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 66.846803] RSP: 002b:00007fff65ccec08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 66.861476] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f72765048f3 # [ 66.875663] RDX: 0000000000000012 RSI: 00007f72763f7000 RDI: 0000000000000001 # [ 66.889850] RBP: 00007f72763f7000 R08: 00007f72763f6010 R09: 0000000000000000 # [ 66.904037] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 66.918226] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 66.932420] irq event stamp: 0 # [ 66.942039] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 66.955256] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 66.970607] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 66.985959] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 66.999177] ---[ end trace ee95a40f003fd26a ]--- # [ 67.010548] 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 # [ 67.187887] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 67.196136] lkdtm: attempting bad refcount_inc() from saturated # [ 67.202777] ------------[ cut here ]------------ # [ 67.207938] refcount_t: saturated; leaking memory. # [ 67.219507] WARNING: CPU: 3 PID: 2388 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 67.235142] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 67.261604] CPU: 3 PID: 2388 Comm: cat Tainted: G D W 5.10.154-cip20 #1 # [ 67.276482] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 67.283304] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 67.295342] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 91 40 94 01 00 75 ee 48 c7 c7 00 79 d2 8d c6 05 81 40 94 01 01 e8 2a 9b 98 00 <0f> 0b c3 cc cc cc cc 80 3d 6d 40 94 01 00 75 cb 48 c7 c7 28 79 d2 # [ 67.316356] RSP: 0018:ffffb303c2e8fe48 EFLAGS: 00010286 # [ 67.322193] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 # [ 67.330164] RDX: ffff9e75badac660 RSI: ffff9e75bad9bf70 RDI: ffff9e75bad9bf70 # [ 67.338137] RBP: ffffffff8dd8c035 R08: 0000000000000000 R09: 0000000000000000 # [ 67.346108] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 67.354079] R13: ffffb303c2e8ff10 R14: ffffb303c2e8ff10 R15: ffff9e75439a0000 # [ 67.362051] FS: 00007f93debcc580(0000) GS:ffff9e75bad80000(0000) knlGS:0000000000000000 # [ 67.371092] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 67.377509] CR2: 00007f93de9d5000 CR3: 0000000102a38004 CR4: 00000000003706e0 # [ 67.385481] Call Trace: # [ 67.388212] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 # [ 67.393694] direct_entry.cold+0x2c/0x38 # [ 67.398103] full_proxy_write+0x53/0x80 # [ 67.402414] vfs_write+0xe7/0x3a0 # [ 67.406144] ksys_write+0x68/0xf0 # [ 67.409848] do_syscall_64+0x30/0x40 # [ 67.413885] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 67.419527] RIP: 0033:0x7f93deae28f3 # [ 67.423519] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 67.444503] RSP: 002b:00007fffe5488cf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 67.452992] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f93deae28f3 # [ 67.460964] RDX: 0000000000000017 RSI: 00007f93de9d5000 RDI: 0000000000000001 # [ 67.468936] RBP: 00007f93de9d5000 R08: 00007f93de9d4010 R09: 0000000000000000 # [ 67.476909] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 67.484879] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 67.492858] irq event stamp: 0 # [ 67.502478] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 67.515698] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 67.531045] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 67.540183] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 67.547182] ---[ end trace ee95a40f003fd26b ]--- # [ 67.552340] lkdtm: Saturation detected: still saturated # REFCOUNT_INC_SATURATED: saw 'Saturation detected: still saturated': ok ok 52 selftests: lkdtm: REFCOUNT_INC_SATURATED.sh # selftests: lkdtm: REFCOUNT_DEC_SATURATED.sh # [ 67.679842] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 67.689352] lkdtm: attempting bad refcount_dec() from saturated # [ 67.695999] ------------[ cut here ]------------ # [ 67.701192] refcount_t: decrement hit 0; leaking memory. # [ 67.707156] WARNING: CPU: 3 PID: 2423 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 67.722780] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 67.755452] CPU: 3 PID: 2423 Comm: cat Tainted: G D W 5.10.154-cip20 #1 # [ 67.764135] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 67.770944] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 67.776783] Code: b0 79 d2 8d c6 05 ed 3f 94 01 01 e8 9a 9a 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 80 79 d2 8d c6 05 d4 3f 94 01 01 e8 80 9a 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 67.803983] RSP: 0018:ffffb303c2f2fe48 EFLAGS: 00010286 # [ 67.809865] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 # [ 67.817878] RDX: ffff9e75badac660 RSI: ffff9e75bad9bf70 RDI: ffff9e75bad9bf70 # [ 67.825850] RBP: ffffffff8dd8c04c R08: 0000000000000000 R09: 0000000000000000 # [ 67.833842] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 67.841829] R13: ffffb303c2f2ff10 R14: ffffb303c2f2ff10 R15: ffff9e7545aae000 # [ 67.849803] FS: 00007f391bdd7580(0000) GS:ffff9e75bad80000(0000) knlGS:0000000000000000 # [ 67.865051] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 67.871469] CR2: 00007f391bbe0000 CR3: 00000001059a4003 CR4: 00000000003706e0 # [ 67.879439] Call Trace: # [ 67.882171] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f # [ 67.887647] direct_entry.cold+0x2c/0x38 # [ 67.898233] full_proxy_write+0x53/0x80 # [ 67.902518] vfs_write+0xe7/0x3a0 # [ 67.906243] ksys_write+0x68/0xf0 # [ 67.909944] do_syscall_64+0x30/0x40 # [ 67.913961] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 67.919603] RIP: 0033:0x7f391bced8f3 # [ 67.923593] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 67.944580] RSP: 002b:00007fff3cd5f238 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 67.953040] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f391bced8f3 # [ 67.961012] RDX: 0000000000000017 RSI: 00007f391bbe0000 RDI: 0000000000000001 # [ 67.968987] RBP: 00007f391bbe0000 R08: 00007f391bbdf010 R09: 0000000000000000 # [ 67.976958] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 67.984931] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 67.992923] irq event stamp: 0 # [ 67.996341] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 68.009551] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 68.018691] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 68.027830] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 68.034831] ---[ end trace ee95a40f003fd26c ]--- # [ 68.039986] lkdtm: Saturation detected: still saturated # REFCOUNT_DEC_SATURATED: saw 'Saturation detected: still saturated': ok ok 53 selftests: lkdtm: REFCOUNT_DEC_SATURATED.sh # selftests: lkdtm: REFCOUNT_ADD_SATURATED.sh # [ 68.211474] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 68.220840] lkdtm: attempting bad refcount_dec() from saturated # [ 68.233653] ------------[ cut here ]------------ # [ 68.245021] refcount_t: saturated; leaking memory. # [ 68.256613] WARNING: CPU: 1 PID: 2458 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 68.272231] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 68.304876] CPU: 1 PID: 2458 Comm: cat Tainted: G D W 5.10.154-cip20 #1 # [ 68.319773] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 68.332798] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 68.344850] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 91 40 94 01 00 75 ee 48 c7 c7 00 79 d2 8d c6 05 81 40 94 01 01 e8 2a 9b 98 00 <0f> 0b c3 cc cc cc cc 80 3d 6d 40 94 01 00 75 cb 48 c7 c7 28 79 d2 # [ 68.372043] RSP: 0018:ffffb303c2fafe48 EFLAGS: 00010286 # [ 68.384117] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 # [ 68.398283] RDX: ffff9e75bacac660 RSI: ffff9e75bac9bf70 RDI: ffff9e75bac9bf70 # [ 68.412468] RBP: ffffffff8dd8c063 R08: 0000000000000000 R09: 0000000000000000 # [ 68.426653] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 68.440839] R13: ffffb303c2faff10 R14: ffffb303c2faff10 R15: ffff9e754350d000 # [ 68.455025] FS: 00007faeb6e82580(0000) GS:ffff9e75bac80000(0000) knlGS:0000000000000000 # [ 68.470278] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 68.482911] CR2: 00007faeb6c8b000 CR3: 00000001064c2003 CR4: 00000000003706e0 # [ 68.497098] Call Trace: # [ 68.506045] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 # [ 68.517707] direct_entry.cold+0x2c/0x38 # [ 68.528298] full_proxy_write+0x53/0x80 # [ 68.538796] vfs_write+0xe7/0x3a0 # [ 68.548709] ksys_write+0x68/0xf0 # [ 68.558623] do_syscall_64+0x30/0x40 # [ 68.568835] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 68.580688] RIP: 0033:0x7faeb6d988f3 # [ 68.590893] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 68.618090] RSP: 002b:00007ffc094ebe18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 68.632760] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007faeb6d988f3 # [ 68.640732] RDX: 0000000000000017 RSI: 00007faeb6c8b000 RDI: 0000000000000001 # [ 68.654911] RBP: 00007faeb6c8b000 R08: 00007faeb6c8a010 R09: 0000000000000000 # [ 68.662886] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 68.677066] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 68.685062] irq event stamp: 0 # [ 68.694656] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 68.707879] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 68.723232] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 68.738582] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 68.745609] ---[ end trace ee95a40f003fd26d ]--- # [ 68.756974] 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 # [ 68.901959] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 68.913441] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 68.920954] ------------[ cut here ]------------ # [ 68.926138] refcount_t: saturated; leaking memory. # [ 68.937710] WARNING: CPU: 3 PID: 2490 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 68.953341] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 68.979799] CPU: 3 PID: 2490 Comm: cat Tainted: G D W 5.10.154-cip20 #1 # [ 68.994677] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 69.001499] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 69.013536] Code: 01 01 e8 07 9b 98 00 0f 0b c3 cc cc cc cc 80 3d 4c 40 94 01 00 75 a8 48 c7 c7 00 79 d2 8d c6 05 3c 40 94 01 01 e8 e4 9a 98 00 <0f> 0b c3 cc cc cc cc 80 3d 26 40 94 01 00 75 85 48 c7 c7 58 79 d2 # [ 69.034518] RSP: 0018:ffffb303c300fe38 EFLAGS: 00010282 # [ 69.040355] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 69.048327] RDX: ffff9e75badac660 RSI: ffff9e75bad9bf70 RDI: ffff9e75bad9bf70 # [ 69.056297] RBP: ffffffff8dd8bc90 R08: 0000000000000000 R09: 0000000000000000 # [ 69.064266] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 69.072237] R13: ffffb303c300ff10 R14: ffffb303c300ff10 R15: ffff9e7542a17000 # [ 69.080207] FS: 00007fc1d3207580(0000) GS:ffff9e75bad80000(0000) knlGS:0000000000000000 # [ 69.089248] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 69.095665] CR2: 00007fc1d3010000 CR3: 0000000103464001 CR4: 00000000003706e0 # [ 69.103637] Call Trace: # [ 69.106365] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 69.112519] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 # [ 69.118840] direct_entry.cold+0x2c/0x38 # [ 69.123221] full_proxy_write+0x53/0x80 # [ 69.127504] vfs_write+0xe7/0x3a0 # [ 69.131203] ksys_write+0x68/0xf0 # [ 69.134904] do_syscall_64+0x30/0x40 # [ 69.138920] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 69.144561] RIP: 0033:0x7fc1d311d8f3 # [ 69.148550] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 69.169533] RSP: 002b:00007ffca74296d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 69.177988] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fc1d311d8f3 # [ 69.185958] RDX: 0000000000000020 RSI: 00007fc1d3010000 RDI: 0000000000000001 # [ 69.193927] RBP: 00007fc1d3010000 R08: 00007fc1d300f010 R09: 0000000000000000 # [ 69.201900] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 69.216087] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 69.224064] irq event stamp: 0 # [ 69.233677] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 69.240680] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 69.249833] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 69.258971] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 69.272178] ---[ end trace ee95a40f003fd26e ]--- # [ 69.277331] lkdtm: Saturation detected: still saturated # REFCOUNT_INC_NOT_ZERO_SATURATED: saw 'call trace:': ok ok 55 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh # [ 69.403554] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 69.415199] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 69.428900] ------------[ cut here ]------------ # [ 69.440264] refcount_t: saturated; leaking memory. # [ 69.445643] WARNING: CPU: 1 PID: 2522 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 69.461251] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 69.493885] CPU: 1 PID: 2522 Comm: cat Tainted: G D W 5.10.154-cip20 #1 # [ 69.508752] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 69.521774] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 69.533831] Code: 01 01 e8 07 9b 98 00 0f 0b c3 cc cc cc cc 80 3d 4c 40 94 01 00 75 a8 48 c7 c7 00 79 d2 8d c6 05 3c 40 94 01 01 e8 e4 9a 98 00 <0f> 0b c3 cc cc cc cc 80 3d 26 40 94 01 00 75 85 48 c7 c7 58 79 d2 # [ 69.561051] RSP: 0018:ffffb303c30e7e38 EFLAGS: 00010282 # [ 69.573079] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 69.587261] RDX: ffff9e75bacac660 RSI: ffff9e75bac9bf70 RDI: ffff9e75bac9bf70 # [ 69.601445] RBP: ffffffff8dd8bcb0 R08: 0000000000000000 R09: 0000000000000000 # [ 69.609419] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 69.623598] R13: ffffb303c30e7f10 R14: ffffb303c30e7f10 R15: ffff9e7543034000 # [ 69.637785] FS: 00007f52d5c4a580(0000) GS:ffff9e75bac80000(0000) knlGS:0000000000000000 # [ 69.653037] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 69.659458] CR2: 00007f52d5a53000 CR3: 0000000103464003 CR4: 00000000003706e0 # [ 69.673639] Call Trace: # [ 69.682621] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 69.694969] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 # [ 69.707505] direct_entry.cold+0x2c/0x38 # [ 69.714216] full_proxy_write+0x53/0x80 # [ 69.718526] vfs_write+0xe7/0x3a0 # [ 69.728438] ksys_write+0x68/0xf0 # [ 69.738351] do_syscall_64+0x30/0x40 # [ 69.748554] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 69.760409] RIP: 0033:0x7f52d5b608f3 # [ 69.764402] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 69.791595] RSP: 002b:00007ffd6193b078 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 69.800054] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f52d5b608f3 # [ 69.808026] RDX: 0000000000000020 RSI: 00007f52d5a53000 RDI: 0000000000000001 # [ 69.815999] RBP: 00007f52d5a53000 R08: 00007f52d5a52010 R09: 0000000000000000 # [ 69.823971] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 69.831944] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 69.839924] irq event stamp: 0 # [ 69.843338] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 69.856549] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 69.865694] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 69.874831] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 69.888040] ---[ end trace ee95a40f003fd26f ]--- # [ 69.893200] 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 # [ 70.029741] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 70.043534] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 70.051050] ------------[ cut here ]------------ # [ 70.062405] refcount_t: underflow; use-after-free. # [ 70.067818] WARNING: CPU: 3 PID: 2557 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 70.077251] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 70.109883] CPU: 3 PID: 2557 Comm: cat Tainted: G D W 5.10.154-cip20 #1 # [ 70.118565] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 70.125372] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 70.131210] Code: 01 01 e8 e4 9a 98 00 0f 0b c3 cc cc cc cc 80 3d 26 40 94 01 00 75 85 48 c7 c7 58 79 d2 8d c6 05 16 40 94 01 01 e8 c1 9a 98 00 <0f> 0b c3 cc cc cc cc 80 3d 01 40 94 01 00 0f 85 5e ff ff ff 48 c7 # [ 70.152223] RSP: 0018:ffffb303c3147e40 EFLAGS: 00010286 # [ 70.158062] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 # [ 70.172247] RDX: ffff9e75badac660 RSI: ffff9e75bad9bf70 RDI: ffff9e75bad9bf70 # [ 70.186433] RBP: ffffffff8dd8bcd0 R08: 0000000000000000 R09: 0000000000000000 # [ 70.194404] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 70.202375] R13: ffffb303c3147f10 R14: ffffb303c3147f10 R15: ffff9e7544d92000 # [ 70.210349] FS: 00007f1d36ab9580(0000) GS:ffff9e75bad80000(0000) knlGS:0000000000000000 # [ 70.219410] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 70.225842] CR2: 00007f1d368c2000 CR3: 0000000105ab0003 CR4: 00000000003706e0 # [ 70.240019] Call Trace: # [ 70.242751] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 70.248909] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 # [ 70.255232] direct_entry.cold+0x2c/0x38 # [ 70.259636] full_proxy_write+0x53/0x80 # [ 70.263944] vfs_write+0xe7/0x3a0 # [ 70.267668] ksys_write+0x68/0xf0 # [ 70.271369] do_syscall_64+0x30/0x40 # [ 70.275362] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 70.281005] RIP: 0033:0x7f1d369cf8f3 # [ 70.284995] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 70.305974] RSP: 002b:00007ffe9f0cd5d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 70.314431] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f1d369cf8f3 # [ 70.322403] RDX: 0000000000000020 RSI: 00007f1d368c2000 RDI: 0000000000000001 # [ 70.330373] RBP: 00007f1d368c2000 R08: 00007f1d368c1010 R09: 0000000000000000 # [ 70.338345] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 70.346315] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 70.354289] irq event stamp: 0 # [ 70.357727] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 70.364729] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 70.373879] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 70.383017] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 70.390019] ---[ end trace ee95a40f003fd270 ]--- # [ 70.395173] lkdtm: Saturation detected: still saturated # REFCOUNT_DEC_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok ok 57 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh # [ 70.532607] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 70.545484] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 70.559181] ------------[ cut here ]------------ # [ 70.570547] refcount_t: underflow; use-after-free. # [ 70.582146] WARNING: CPU: 1 PID: 2592 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 70.597757] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 70.630392] CPU: 1 PID: 2592 Comm: cat Tainted: G D W 5.10.154-cip20 #1 # [ 70.645254] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 70.652061] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 70.664103] Code: 01 01 e8 e4 9a 98 00 0f 0b c3 cc cc cc cc 80 3d 26 40 94 01 00 75 85 48 c7 c7 58 79 d2 8d c6 05 16 40 94 01 01 e8 c1 9a 98 00 <0f> 0b c3 cc cc cc cc 80 3d 01 40 94 01 00 0f 85 5e ff ff ff 48 c7 # [ 70.691294] RSP: 0018:ffffb303c31e7e40 EFLAGS: 00010286 # [ 70.703344] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 # [ 70.711317] RDX: ffff9e75bacac660 RSI: ffff9e75bac9bf70 RDI: ffff9e75bac9bf70 # [ 70.725496] RBP: ffffffff8dd8bcf0 R08: 0000000000000000 R09: 0000000000000000 # [ 70.733471] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 70.747651] R13: ffffb303c31e7f10 R14: ffffb303c31e7f10 R15: ffff9e7544e19000 # [ 70.761839] FS: 00007fb6af4f7580(0000) GS:ffff9e75bac80000(0000) knlGS:0000000000000000 # [ 70.777096] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 70.789728] CR2: 00007fb6af300000 CR3: 000000010349c005 CR4: 00000000003706e0 # [ 70.803916] Call Trace: # [ 70.812862] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 70.825201] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 # [ 70.837739] direct_entry.cold+0x2c/0x38 # [ 70.848336] full_proxy_write+0x53/0x80 # [ 70.858832] vfs_write+0xe7/0x3a0 # [ 70.868749] ksys_write+0x68/0xf0 # [ 70.878660] do_syscall_64+0x30/0x40 # [ 70.888862] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 70.900726] RIP: 0033:0x7fb6af40d8f3 # [ 70.910928] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 70.938118] RSP: 002b:00007ffd3add8a68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 70.952790] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fb6af40d8f3 # [ 70.966975] RDX: 0000000000000020 RSI: 00007fb6af300000 RDI: 0000000000000001 # [ 70.974950] RBP: 00007fb6af300000 R08: 00007fb6af2ff010 R09: 0000000000000000 # [ 70.989131] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 70.997104] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 71.011289] irq event stamp: 0 # [ 71.020906] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 71.027910] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 71.043252] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 71.058607] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 71.065610] ---[ end trace ee95a40f003fd271 ]--- # [ 71.076972] lkdtm: Saturation detected: still saturated # REFCOUNT_SUB_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok ok 58 selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh # selftests: lkdtm: REFCOUNT_TIMING.sh # Skipping REFCOUNT_TIMING: timing only ok 59 selftests: lkdtm: REFCOUNT_TIMING.sh # SKIP # selftests: lkdtm: ATOMIC_TIMING.sh # Skipping ATOMIC_TIMING: timing only ok 60 selftests: lkdtm: ATOMIC_TIMING.sh # SKIP # selftests: lkdtm: USERCOPY_HEAP_SIZE_TO.sh # [ 71.262509] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 71.269762] lkdtm: attempting good copy_to_user of correct size # [ 71.282602] lkdtm: attempting bad copy_to_user of too large size # USERCOPY_HEAP_SIZE_TO: missing 'call trace:': [FAIL] not ok 61 selftests: lkdtm: USERCOPY_HEAP_SIZE_TO.sh # exit=1 # selftests: lkdtm: USERCOPY_HEAP_SIZE_FROM.sh # [ 71.436008] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 71.445365] lkdtm: attempting good copy_from_user of correct size # [ 71.452225] 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 # [ 71.579065] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 71.590753] lkdtm: attempting good copy_to_user inside whitelist # [ 71.603703] 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 # [ 71.755233] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 71.767094] lkdtm: attempting good copy_from_user inside whitelist # [ 71.780210] 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 # [ 71.939019] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 71.949549] lkdtm: good_stack: ffffb303c35dfe20-ffffb303c35dfe40 # [ 71.956293] lkdtm: bad_stack : ffffb303c35dfda8-ffffb303c35dfdc8 # [ 71.963042] lkdtm: attempting good copy_to_user of local stack # [ 71.975762] lkdtm: attempting bad copy_to_user of distant stack # USERCOPY_STACK_FRAME_TO: missing 'call trace:': [FAIL] not ok 65 selftests: lkdtm: USERCOPY_STACK_FRAME_TO.sh # exit=1 # selftests: lkdtm: USERCOPY_STACK_FRAME_FROM.sh # [ 72.117432] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 72.126279] lkdtm: good_stack: ffffb303c3657e20-ffffb303c3657e40 # [ 72.139194] lkdtm: bad_stack : ffffb303c3657da8-ffffb303c3657dc8 # [ 72.152153] lkdtm: attempting good copy_from_user of local stack # [ 72.165057] lkdtm: attempting bad copy_from_user of distant stack # USERCOPY_STACK_FRAME_FROM: missing 'call trace:': [FAIL] not ok 66 selftests: lkdtm: USERCOPY_STACK_FRAME_FROM.sh # exit=1 # selftests: lkdtm: USERCOPY_STACK_BEYOND.sh # [ 72.318774] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 72.327956] lkdtm: good_stack: ffffb303c36c7e20-ffffb303c36c7e40 # [ 72.334685] lkdtm: bad_stack : ffffb303c36c7ff8-ffffb303c36c8018 # [ 72.341425] lkdtm: attempting good copy_to_user of local stack # [ 72.347963] lkdtm: attempting bad copy_to_user of distant stack # [ 72.354595] lkdtm: copy_to_user failed, but lacked Oops # USERCOPY_STACK_BEYOND: missing 'call trace:': [FAIL] not ok 67 selftests: lkdtm: USERCOPY_STACK_BEYOND.sh # exit=1 # selftests: lkdtm: USERCOPY_KERNEL.sh # [ 72.507845] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 72.515957] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff8d99c230 # [ 72.524626] lkdtm: attempting bad copy_to_user from kernel text: ffffffff8c6e31e0 # [ 72.533001] 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 # [ 72.681642] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 72.694125] lkdtm: checking unused part of the thread stack (15928 bytes)... # [ 72.708221] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) # [ 72.722211] lkdtm: FAIL: the thread stack is NOT properly erased # [ 72.735126] CPU: 0 PID: 2957 Comm: cat Tainted: G D W 5.10.154-cip20 #1 # [ 72.749971] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 72.756774] Call Trace: # [ 72.759505] dump_stack+0x77/0x9b # [ 72.763209] lkdtm_STACKLEAK_ERASING+0x116/0x144 # [ 72.768368] direct_entry.cold+0x2c/0x38 # [ 72.772746] full_proxy_write+0x53/0x80 # [ 72.777034] vfs_write+0xe7/0x3a0 # [ 72.780738] ksys_write+0x68/0xf0 # [ 72.784436] do_syscall_64+0x30/0x40 # [ 72.788426] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 72.794068] RIP: 0033:0x7f2bcdc878f3 # [ 72.798056] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 72.819027] RSP: 002b:00007ffcce2e5f78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 72.827482] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f2bcdc878f3 # [ 72.835449] RDX: 0000000000000012 RSI: 00007f2bcdb7a000 RDI: 0000000000000001 # [ 72.843410] RBP: 00007f2bcdb7a000 R08: 00007f2bcdb79010 R09: 0000000000000000 # [ 72.851368] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 72.859335] 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 # [ 73.011879] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 73.022889] lkdtm: Calling matched prototype ... # [ 73.028058] lkdtm: Calling mismatched prototype ... # [ 73.039718] lkdtm: Fail: survived mismatched prototype function call! # CFI_FORWARD_PROTO: missing 'call trace:': [FAIL] not ok 70 selftests: lkdtm: CFI_FORWARD_PROTO.sh # exit=1 + ../../utils/send-to-lava.sh ./output/result.txt + set +x / #