[Enter `^Ec?' for help] coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 bootblock starting... CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz CPU: ID 806e9, Kabylake H0, ucode: 00000097 CPU: AES supported, TXT NOT supported, VT supported MCH: device id 590c (rev 02) is Kabylake-Y PCH: device id 9d4b (rev 21) is Kabylake-Y iHDCP 2.2 Premium IGD: device id 591c (rev 02) is Amberlake ULX GT2 VBOOT: Loading verstage. CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/verstage' CBFS: Found @ offset 1a0a80 size f47c coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 verstage starting... Probing TPM: . done! TPM ready after 0 ms Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_A:0.0.10/29d77172 RW_B:0.3.15/cr50_v1.9308_87_mp.224-6339b6f Initialized TPM device CR50 revision 0 tlcl_send_startup: Startup return code is 0 TPM: setup succeeded src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x1007 return code 0 Chrome EC: UHEPI supported Phase 1 FMAP: Found "FLASH" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area GBB found @ c11000 (978944 bytes) VB2:vb2_check_recovery() Recovery reason from previous boot: 0x0 / 0x0 Phase 2 Phase 3 FMAP: area GBB found @ c11000 (978944 bytes) VB2:vb2_report_dev_firmware() This is developer signed firmware FMAP: area VBLOCK_B found @ 5e8000 (65536 bytes) FMAP: area VBLOCK_B found @ 5e8000 (65536 bytes) VB2:vb2_verify_keyblock() Checking key block signature... FMAP: area VBLOCK_B found @ 5e8000 (65536 bytes) FMAP: area VBLOCK_B found @ 5e8000 (65536 bytes) VB2:vb2_verify_fw_preamble() Verifying preamble. Phase 4 FMAP: area FW_MAIN_B found @ 5f8000 (4030400 bytes) VB2:vb2api_init_hash() HW crypto for hash_alg 2 not supported, using SW VB2:vb2_rsa_verify_digest() Digest check failed! VB2:vb2_fail() Need recovery, reason: 0x1b / 0x7 Saving nvdata Reboot requested (10020007) board_reset() called! full_reset() called! coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 bootblock starting... CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz CPU: ID 806e9, Kabylake H0, ucode: 00000097 CPU: AES supported, TXT NOT supported, VT supported MCH: device id 590c (rev 02) is Kabylake-Y PCH: device id 9d4b (rev 21) is Kabylake-Y iHDCP 2.2 Premium IGD: device id 591c (rev 02) is Amberlake ULX GT2 VBOOT: Loading verstage. CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/verstage' CBFS: Found @ offset 1a0a80 size f47c coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 verstage starting... Probing TPM: . done! TPM ready after 0 ms Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_A:0.0.10/29d77172 RW_B:0.3.15/cr50_v1.9308_87_mp.224-6339b6f Initialized TPM device CR50 revision 0 tlcl_send_startup: Startup return code is 0 TPM: setup succeeded src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x1007 return code 0 Chrome EC: UHEPI supported Phase 1 FMAP: Found "FLASH" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area GBB found @ c11000 (978944 bytes) VB2:vb2_check_recovery() Recovery reason from previous boot: 0x1b / 0x7 VB2:vb2_check_recovery() We have a recovery request: 0x1b / 0x0 Recovery requested (1009000e) Saving nvdata tlcl_extend: response is 0 tlcl_extend: response is 0 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/romstage' CBFS: Found @ offset 80 size 10ffc coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 romstage starting... pm1_sts: 0100 pm1_en: 0000 pm1_cnt: 00001c00 gpe0_sts[0]: 00000000 gpe0_en[0]: 00000000 gpe0_sts[1]: 00000000 gpe0_en[1]: 00000000 gpe0_sts[2]: 00000001 gpe0_en[2]: 00000000 gpe0_sts[3]: 00000000 gpe0_en[3]: 00010000 TCO_STS: 0000 0000 GEN_PMCON: e0040200 0000523a GBLRST_CAUSE: 00000000 00000000 prev_sleep_state 5 Boot Count incremented to 36088 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fspm.bin' CBFS: Found @ offset 103fc0 size 63000 Chrome EC: UHEPI supported FMAP: Found "FLASH" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area RECOVERY_MRC_CACHE found @ 9d0000 (65536 bytes) Probing TPM: done! Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_A:0.0.10/29d77172 RW_B:0.3.15/cr50_v1.9308_87_mp.224-6339b6f Initialized TPM device CR50 revision 0 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 MRC: Hash comparison successful. Using data from RECOVERY_MRC_CACHE MRC cache found, size 1868 bootmode is set to :2 SPD index 1 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'spd.bin' CBFS: Found @ offset 1a0240 size 800 SPD: module type is LPDDR3 SPD: module part is K4E8E324EB-EGCF SPD: banks 8, ranks 1, rows 15, columns 10, density 8192 Mb SPD: device width 32 bits, bus width 64 bits SPD: module size is 2048 MB (per channel) CBMEM: IMD: root @ 7afff000 254 entries. IMD: root @ 7affec00 62 entries. External stage cache: IMD: root @ 7b3ff000 254 entries. IMD: root @ 7b3fec00 62 entries. creating vboot_handoff structure Chrome EC: clear events_b mask to 0x0000000021004000 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 tlcl_write: response is 0 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 MRC: TPM MRC hash updated successfully. 2 DIMMs found top_of_ram = 0x7b000000 MTRR Range: Start=7a000000 End=7b000000 (Size 1000000) MTRR Range: Start=7b000000 End=7b800000 (Size 800000) MTRR Range: Start=ff000000 End=0 (Size 1000000) CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/postcar' CBFS: Found @ offset 197000 size 3f04 Decompressing stage fallback/postcar @ 0x7abd0fc0 (32720 bytes) Loading module at 7abd1000 with entry 7abd1000. filesize: 0x3cd0 memsize: 0x7f90 Processing 118 relocs. Offset value of 0x78bd1000 coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 postcar starting... CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/ramstage' CBFS: Found @ offset e8d80 size 1a462 Decompressing stage fallback/ramstage @ 0x7ab05fc0 (826808 bytes) Loading module at 7ab06000 with entry 7ab06000. filesize: 0x38d90 memsize: 0xc9d78 Processing 3657 relocs. Offset value of 0x79d06000 coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 ramstage starting... FMAP: Found "FLASH" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area RO_VPD found @ c00000 (16384 bytes) WARNING: RO_VPD is uninitialized or empty. FMAP: area RW_VPD found @ 9f8000 (8192 bytes) FMAP: area RW_VPD found @ 9f8000 (8192 bytes) Normal boot. BS: BS_PRE_DEVICE times (us): entry 0 run 30 exit 0 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'cpu_microcode_blob.bin' CBFS: Found @ offset 11100 size d7c00 microcode: sig=0x806e9 pf=0x10 revision=0x97 Skip microcode update CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fsps.bin' CBFS: Found @ offset 167fc0 size 2f000 Detected 2 core, 4 thread CPU. Setting up SMI for CPU IED base = 0x7b400000 IED size = 0x00400000 Will perform SMM setup. CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz. Loading module at 00030000 with entry 00030000. filesize: 0x170 memsize: 0x170 Processing 16 relocs. Offset value of 0x00030000 Attempting to start 3 APs Waiting for 10ms after sending INIT. Waiting for 1st SIPI to complete...done. AP: slot 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 #2 Initializing CPU #3 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC...CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC...Setting up local APIC... apic_id: 0x02 done. apic_id: 0x03 done. Skip microcode update Skip microcode update CPU #3 initialized CPU #2 initialized apic_id: 0x01 done. Skip microcode update CPU #1 initialized bsp_do_flight_plan done after 226 msecs. CPU: frequency set to 3400 MHz Enabling SMIs. Locking SMM. VMX : param.enable = 1 VMX status: enabled, unlocked SGX: pre-conditions not met VMX status: enabled, unlocked SGX: pre-conditions not met VMX status: enabled, unlocked VMX status: enabled, unlocked SGX: pre-conditions not met SGX: pre-conditions not met CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'vbt.bin' CBFS: Found @ offset 103a00 size 48e Found a VBT of 4608 bytes after decompression psys_pmax = 360 FMAP: area GBB found @ c11000 (978944 bytes) ITSS IRQ Polarities Before: IPC0: 0x00ff4000 IPC1: 0x00000007 IPC2: 0x00000000 IPC3: 0x00000000 ITSS IRQ Polarities After: IPC0: 0x00ff4000 IPC1: 0x00000007 IPC2: 0x00000000 IPC3: 0x00000000 Override DT after FSP-S, PCH is KBL/SKL PCH-LP SKU BS: BS_DEV_INIT_CHIPS times (us): entry 376219 run 170320 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 8977 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 8970 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 8977 usecs USB2 port 4 scanning... scan_usb_bus for USB2 port 4 scan_usb_bus for USB2 port 4 done scan_bus: scanning of bus USB2 port 4 took 8968 usecs USB2 port 8 scanning... scan_usb_bus for USB2 port 8 scan_usb_bus for USB2 port 8 done scan_bus: scanning of bus USB2 port 8 took 8967 usecs scan_usb_bus for USB0 port 0 done scan_bus: scanning of bus USB0 port 0 took 90967 usecs scan_usb_bus for PCI: 00:14.0 done scan_bus: scanning of bus PCI: 00:14.0 took 107764 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 14162 usecs PCI: 00:15.1 scanning... scan_generic_bus for PCI: 00:15.1 bus: PCI: 00:15.1[0]->I2C: 02:15 enabled scan_generic_bus for PCI: 00:15.1 done scan_bus: scanning of bus PCI: 00:15.1 took 14148 usecs PCI: 00:19.1 scanning... scan_generic_bus for PCI: 00:19.1 bus: PCI: 00:19.1[0]->I2C: 03:39 enabled bus: PCI: 00:19.1[0]->I2C: 03:3a enabled bus: PCI: 00:19.1[0]->I2C: 03:1a enabled scan_generic_bus for PCI: 00:19.1 done scan_bus: scanning of bus PCI: 00:19.1 took 22379 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 53555 usecs PCI: 00:1e.2 scanning... scan_generic_bus for PCI: 00:1e.2 bus: PCI: 00:1e.2[0]->SPI: 00 enabled scan_generic_bus for PCI: 00:1e.2 done scan_bus: scanning of bus PCI: 00:1e.2 took 13862 usecs PCI: 00:1f.0 scanning... scan_lpc_bus for PCI: 00:1f.0 PNP: 0c09.0 enabled scan_lpc_bus for PCI: 00:1f.0 done scan_bus: scanning of bus PCI: 00:1f.0 took 11322 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 9258 usecs PCI: 00:1f.3 scanning... scan_bus: scanning of bus PCI: 00:1f.3 took 2720 usecs PCI: 00:1f.4 scanning... scan_generic_bus for PCI: 00:1f.4 scan_generic_bus for PCI: 00:1f.4 done scan_bus: scanning of bus PCI: 00:1f.4 took 10046 usecs PCI: 00:1f.5 scanning... scan_generic_bus for PCI: 00:1f.5 scan_generic_bus for PCI: 00:1f.5 done scan_bus: scanning of bus PCI: 00:1f.5 took 10046 usecs scan_bus: scanning of bus DOMAIN: 0000 took 466165 usecs root_dev_scan_bus for Root Device done scan_bus: scanning of bus Root Device took 486268 usecs done Chrome EC: UHEPI supported FMAP: area RECOVERY_MRC_CACHE found @ 9d0000 (65536 bytes) MRC: Checking cached data update for 'RECOVERY_MRC_CACHE'. SF: Detected FAST_SPI Hardware Sequencer with sector size 0x1000, total 0x1000000 FMAP: area UNIFIED_MRC_CACHE found @ 9d0000 (131072 bytes) SPI flash protection: WPSW=0 SRP0=0 MRC: NOT enabling PRR for 'UNIFIED_MRC_CACHE'. BS: BS_DEV_ENUMERATE times (us): entry 0 run 826136 exit 39283 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 2113928 exit 31 Enabling resources... PCI: 00:00.0 subsystem <- 8086/590c PCI: 00:00.0 cmd <- 06 PCI: 00:02.0 subsystem <- 8086/591c PCI: 00:02.0 cmd <- 03 PCI: 00:04.0 cmd <- 02 PCI: 00:08.0 cmd <- 06 PCI: 00:14.0 subsystem <- 8086/9d2f PCI: 00:14.0 cmd <- 02 PCI: 00:14.2 subsystem <- 8086/9d31 PCI: 00:14.2 cmd <- 02 PCI: 00:15.0 subsystem <- 8086/9d60 PCI: 00:15.0 cmd <- 06 PCI: 00:15.1 subsystem <- 8086/9d61 PCI: 00:15.1 cmd <- 06 PCI: 00:16.0 subsystem <- 8086/9d3a PCI: 00:16.0 cmd <- 02 PCI: 00:19.0 subsystem <- 8086/9d66 PCI: 00:19.0 cmd <- 06 PCI: 00:19.1 subsystem <- 8086/9d65 PCI: 00:19.1 cmd <- 06 PCI: 00:1c.0 bridge ctrl <- 0003 PCI: 00:1c.0 subsystem <- 8086/9d10 PCI: 00:1c.0 cmd <- 06 PCI: 00:1e.0 subsystem <- 8086/9d27 PCI: 00:1e.0 cmd <- 06 PCI: 00:1e.2 subsystem <- 8086/9d29 PCI: 00:1e.2 cmd <- 06 PCI: 00:1e.4 subsystem <- 8086/9d2b PCI: 00:1e.4 cmd <- 06 PCI: 00:1e.6 subsystem <- 8086/9d2d PCI: 00:1e.6 cmd <- 06 PCI: 00:1f.0 subsystem <- 8086/9d4b PCI: 00:1f.0 cmd <- 407 PCI: 00:1f.2 subsystem <- 8086/9d21 PCI: 00:1f.2 cmd <- 02 PCI: 00:1f.3 subsystem <- 8086/9d71 PCI: 00:1f.3 cmd <- 02 PCI: 00:1f.4 subsystem <- 8086/9d23 PCI: 00:1f.4 cmd <- 03 PCI: 00:1f.5 subsystem <- 8086/9d24 PCI: 00:1f.5 cmd <- 406 PCI: 01:00.0 subsystem <- 8086/095a PCI: 01:00.0 cmd <- 02 done. ME: Version : 11.8.50.3470 BS: BS_DEV_ENABLE times (us): entry 291 run 139314 exit 18292 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 30856 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 2250 usecs PCI: 00:04.0 init ... PCI: 00:04.0 init finished in 2249 usecs PCI: 00:08.0 init ... PCI: 00:08.0 init finished in 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 2249 usecs PCI: 00:15.0 init ... DW I2C bus 0 at 0xd1132000 (400 KHz) PCI: 00:15.0 init finished in 5965 usecs PCI: 00:15.1 init ... DW I2C bus 1 at 0xd1133000 (400 KHz) PCI: 00:15.1 init finished in 5966 usecs PCI: 00:16.0 init ... PCI: 00:16.0 init finished in 2249 usecs PCI: 00:19.1 init ... DW I2C bus 5 at 0xd1136000 (400 KHz) PCI: 00:19.1 init finished in 5968 usecs PCI: 00:1c.0 init ... Initializing PCH PCIe bridge. PCI: 00:1c.0 init finished in 5288 usecs PCI: 00:1e.4 init ... PCI: 00:1e.4 init finished in 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 23494 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 23833 usecs PCI: 00:1f.4 init ... PCI: 00:1f.4 init finished in 2261 usecs PCI: 01:00.0 init ... PCI: 01:00.0 init finished in 2391 usecs PNP: 0c09.0 init ... Google Chrome EC: Hello got back 11223344 status (0) Google Chrome EC: version: ro: rammus_v2.0.387-f0df0fe2e rw: rammus_v2.0.427-c38dc837e running image: 1 EC returned error result code 1 PNP: 0c09.0 init finished in 24462 usecs Devices initialized Show all devs... After init. Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 DOMAIN: 0000: enabled 1 APIC: 00: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 PCI: 00:15.1: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PCI: 00:1f.1: enabled 0 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 USB0 port 0: enabled 1 I2C: 01:5c: enabled 1 I2C: 02:15: enabled 1 I2C: 03:39: enabled 1 I2C: 03:3a: enabled 1 I2C: 03:1a: enabled 1 PCI: 01:00.0: enabled 1 SPI: 00: enabled 1 PNP: 0c09.0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 APIC: 01: enabled 1 APIC: 03: enabled 1 APIC: 02: enabled 1 PCI: 00:04.0: enabled 1 PCI: 00:08.0: enabled 1 FMAP: area RW_ELOG found @ 9f0000 (16384 bytes) ELOG: NV offset 0x9f0000 size 0x4000 ELOG: area is 4096 bytes, full threshold 3842, shrink size 1024 ELOG: Event(17) added with size 13 at 2023-01-24 12:37:29 UTC POST: Unexpected post code in previous boot: 0x34 ELOG: Event(A3) added with size 11 at 2023-01-24 12:37:29 UTC ELOG: Event(92) added with size 9 at 2023-01-24 12:37:29 UTC ELOG: Event(9A) added with size 9 at 2023-01-24 12:37:29 UTC ELOG: Event(AD) added with size 10 at 2023-01-24 12:37:29 UTC ELOG: Event(9F) added with size 14 at 2023-01-24 12:37:29 UTC BS: BS_DEV_INIT times (us): entry 0 run 417145 exit 60025 ELOG: Event(A1) added with size 10 at 2023-01-24 12:37:29 UTC elog_add_boot_reason: Logged recovery mode boot (Dev-switch on), reason: 0x1b ELOG: Event(A0) added with size 9 at 2023-01-24 12:37:29 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 25571 run 3969 exit 5191 BS: BS_OS_RESUME_CHECK times (us): entry 0 run 60 exit 0 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/dsdt.aml' CBFS: Found @ offset 19af40 size 4691 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/slic' CBFS: 'fallback/slic' not found. ACPI: Writing ACPI tables at 7aa9a000. ACPI: * FACS ACPI: * DSDT Ramoops buffer: 0x100000@0x7a999000. SGX: not enabled or not supported. skip gnvs fill ACPI: * FADT SCI is IRQ9 ACPI: added table 1/32, length now 40 ACPI: * SSDT Found 1 CPU(s) with 4 core(s) each. \_SB.PCI0.I2C0.H05C: SISC Touchscreen at I2C: 01:5c \_SB.PCI0.I2C1.D015: ELAN Touchpad at I2C: 02:15 \_SB.PCI0.I2C5.MAXR: Maxim MAX98927 Codec address 039h \_SB.PCI0.I2C5.MAXL: Maxim MAX98927 Codec address 03ah \_SB.PCI0.I2C5.DLG7: Dialog Semiconductor DA7219 Audio Codec address 01ah irq 105 Error: Could not locate 'wifi_sar' in VPD. Error: failed from getting SAR limits! \_SB.PCI0.RP01.WIFI: Intel WiFi PCI: 01:00.0 \_SB.PCI0.SPI0.S001: SPI Device at SPI: 00 \_SB.PCI0.XHCI.RHUB.HS01: USB Type C Port 1 at USB2 port 0 \_SB.PCI0.XHCI.RHUB.HS02: USB Type A Port 1 at USB2 port 1 \_SB.PCI0.XHCI.RHUB.HS03: Bluetooth at USB2 port 2 \_SB.PCI0.XHCI.RHUB.HS05: USB Type C Port 2 at USB2 port 4 \_SB.PCI0.XHCI.RHUB.HS09: Camera at USB2 port 8 ACPI: added table 2/32, length now 44 ACPI: * MCFG ACPI: added table 3/32, length now 48 ACPI: * TPM2 ACPI: added table 4/32, length now 52 ACPI: * MADT SCI is IRQ9 ACPI: added table 5/32, length now 56 current = 7aa9fa60 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dmic-4ch-48khz-16b.bin' CBFS: Found @ offset 167000 size ba8 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dmic-4ch-48khz-32b.bin' CBFS: Found @ offset 19f640 size ba8 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dialog-2ch-48khz-24b.bin' CBFS: Found @ offset 167cc0 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dialog-2ch-48khz-24b.bin' CBFS: Found @ offset 167cc0 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'max98927-render-2ch-48khz-24b.bin' CBFS: Found @ offset 167c00 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'max98927-render-2ch-48khz-16b.bin' CBFS: Found @ offset 103f00 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'max98927-render-2ch-48khz-16b.bin' CBFS: Found @ offset 103f00 size 64 ACPI: * NHLT ACPI: added table 6/32, length now 60 ACPI: * DMAR ACPI: added table 7/32, length now 64 ACPI: * IGD OpRegion GMA: Found VBT in CBFS GMA: Found valid VBT in CBFS current = 7aaa3610 ACPI: added table 8/32, length now 68 ACPI: * HPET ACPI: added table 9/32, length now 72 ACPI: done. ACPI tables: 38592 bytes. smbios_write_tables: 7a998000 Create SMBIOS type 17 PCI: 01:00.0 (Intel WiFi) SMBIOS tables: 662 bytes. Writing table forward entry at 0x00000500 Wrote coreboot table at: 00000500, 0x10 bytes, checksum a532 Writing coreboot table at 0x7aabe000 0. 0000000000000000-0000000000000fff: CONFIGURATION TABLES 1. 0000000000001000-000000000009ffff: RAM 2. 00000000000a0000-00000000000fffff: RESERVED 3. 0000000000100000-000000007a997fff: RAM 4. 000000007a998000-000000007ab05fff: CONFIGURATION TABLES 5. 000000007ab06000-000000007abcffff: RAMSTAGE 6. 000000007abd0000-000000007affffff: CONFIGURATION TABLES 7. 000000007b000000-000000007fffffff: RESERVED 8. 00000000e0000000-00000000e3ffffff: RESERVED 9. 00000000fe000000-00000000fe00ffff: RESERVED 10. 00000000fed10000-00000000fed19fff: RESERVED 11. 00000000fed80000-00000000fed84fff: RESERVED 12. 00000000fed90000-00000000fed91fff: RESERVED 13. 0000000100000000-000000017effffff: RAM Graphics framebuffer located at 0xc0000000 Passing 6 GPIOs to payload: NAME | PORT | POLARITY | VALUE write protect | undefined | high | low recovery | undefined | high | low lid | undefined | high | high power | undefined | high | low oprom | undefined | high | low EC in RW | 0x00000036 | high | low Board ID: 6 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) Wrote coreboot table at: 7aabe000, 0x5a4 bytes, checksum 7aac coreboot table: 1468 bytes. IMD ROOT 0. 7afff000 00001000 IMD SMALL 1. 7affe000 00001000 FSP MEMORY 2. 7abfe000 00400000 CONSOLE 3. 7abde000 00020000 TIME STAMP 4. 7abdd000 00000910 VBOOT 5. 7abdc000 00000c0c MRC DATA 6. 7abda000 00001878 ROMSTG STCK 7. 7abd9000 00000400 AFTER CAR 8. 7abd0000 00009000 RAMSTAGE 9. 7ab05000 000cb000 REFCODE 10. 7aad6000 0002f000 SMM BACKUP 11. 7aac6000 00010000 COREBOOT 12. 7aabe000 00008000 ACPI 13. 7aa9a000 00024000 ACPI GNVS 14. 7aa99000 00001000 RAMOOPS 15. 7a999000 00100000 SMBIOS 16. 7a998000 00000800 IMD small region: IMD ROOT 0. 7affec00 00000400 FSP RUNTIME 1. 7affebe0 00000004 VBOOT SEL 2. 7affebc0 00000008 EC HOSTEVENT 3. 7affeba0 00000008 POWER STATE 4. 7affeb60 00000040 ROMSTAGE 5. 7affeb40 00000004 MEM INFO 6. 7affe980 000001a9 VPD 7. 7affe920 00000047 COREBOOTFWD 8. 7affe8e0 00000028 MTRR: Physical address space: 0x0000000000000000 - 0x00000000000a0000 size 0x000a0000 type 6 0x00000000000a0000 - 0x00000000000c0000 size 0x00020000 type 0 0x00000000000c0000 - 0x000000007b800000 size 0x7b740000 type 6 0x000000007b800000 - 0x00000000c0000000 size 0x44800000 type 0 0x00000000c0000000 - 0x00000000d0000000 size 0x10000000 type 1 0x00000000d0000000 - 0x0000000100000000 size 0x30000000 type 0 0x0000000100000000 - 0x000000017f000000 size 0x7f000000 type 6 MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 call enable_fixed_mtrr() CPU physical address size: 39 bits MTRR: default type WB/UC MTRR counts: 6/5. MTRR: UC selected as default type. MTRR: 0 base 0x0000000000000000 mask 0x0000007f80000000 type 6 MTRR: 1 base 0x000000007b800000 mask 0x0000007fff800000 type 0 MTRR: 2 base 0x000000007c000000 mask 0x0000007ffc000000 type 0 MTRR: 3 base 0x00000000c0000000 mask 0x0000007ff0000000 type 1 MTRR: 4 base 0x0000000100000000 mask 0x0000007f80000000 type 6 MTRR check Fixed MTRRs : Enabled Variable MTRRs: Enabled MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 BS: BS_WRITE_TABLES times (us): entry 0 run 537492 exit 146864 call enable_fixed_mtrr() CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CPU physical address size: 39 bits CBFS: Locating 'fallback/payload' MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 call enable_fixed_mtrr() MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 CPU physical address size: 39 bits call enable_fixed_mtrr() CBFS: Found @ offset 223040 size 360b4 CPU physical address size: 39 bits Checking segment from ROM address 0xfff23078 Checking segment from ROM address 0xfff23094 Loading segment from ROM address 0xfff23078 code (compression=0) New segment dstaddr 0x30104020 memsize 0x64d8b0 srcaddr 0xfff230b0 filesize 0x3607c Loading Segment: addr: 0x30104020 memsz: 0x000000000064d8b0 filesz: 0x000000000003607c it's not compressed! [ 0x30104020, 3013a09c, 0x307518d0) <- fff230b0 Clearing Segment: addr: 0x000000003013a09c memsz: 0x0000000000617834 Loading segment from ROM address 0xfff23094 Entry Point 0x30104020 Loaded segments Finalizing chipset. ME: Host Firmware Status Register 1 : 0x90000245 ME: Host Firmware Status Register 2 : 0x6B000306 ME: Host Firmware Status Register 3 : 0x00000020 ME: Host Firmware Status Register 4 : 0x00084004 ME: Host Firmware Status Register 5 : 0x00000000 ME: Host Firmware Status Register 6 : 0x40000002 ME: FW Partition Table : OK ME: Bringup Loader Failure : NO ME: Firmware Init Complete : YES ME: Manufacturing Mode : NO ME: Boot Options Present : NO ME: Update In Progress : NO ME: D3 Support : NO ME: D0i3 Support : YES ME: Low Power State Enabled : YES ME: CPU Replaced : NO ME: CPU Replacement Valid : YES ME: Current Working State : Normal ME: Current Operation State : M0 with UMA ME: Current Operation Mode : Normal ME: Error Code : No Error ME: Progress Phase : Host Communication ME: Power Management Event : Power cycle reset through Moff ME: Progress Phase State : Host communication established ME: Power Down Mitigation : NO ME: FPF status : fused Clearing MCA. Finalizing SMM. BS: BS_PAYLOAD_LOAD times (us): entry 605 run 262114 exit 135703 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 8854071/tftp-deploy-nnlwi_nc/kernel/bzImage 8854071/tftp-deploy-nnlwi_nc/kernel/cmdline 8854071/tftp-deploy-nnlwi_nc/ramdisk/ramdisk.cpio.gz tftpboot 192.168.201.1 8854071/tftp-deploy-nnlwi_nc/kernel/bzImoy-nnlwi_nc/kernel/cmdline 8854071/tftp-deploy-nnlwi_nc/ramdisk/ramdisk.cpio.gz Waiting for link R8152: Initializing Version 9 (ocp_data = 6010) R8152: Done initializing Adding net device done. MAC: 00:e0:4c:68:04:98 Sending DHCP discover... done. Waiting for reply... done. Sending DHCP request... done. Waiting for reply... done. My ip is 192.168.201.15 The DHCP server ip is 192.168.201.1 TFTP server IP predefined by user: 192.168.201.1 Bootfile predefined by user: 8854071/tftp-deploy-nnlwi_nc/kernel/bzImage Sending tftp read request... done. Waiting for the transfer... 00000000 ################################################################ 00080000 ################################################################ 00100000 ################################################################ 00180000 ################################################################ 00200000 ################################################################ 00280000 ################################################################ 00300000 ################################################################ 00380000 ################################################################ 00400000 ################################################################ 00480000 ################################################################ 00500000 ################################################################ 00580000 ################################################################ 00600000 ################################################################ 00680000 ################################################################ 00700000 ################################################################ 00780000 ################################################################ 00800000 ################################################################ 00880000 ################################################################ 00900000 ################################################################ 00980000 ################################################################ 00a00000 ################################################################ 00a80000 ################################################################ 00b00000 ################################################################ 00b80000 ################################################################ 00c00000 ################################################################ 00c80000 ################################################################ 00d00000 ################################################################ 00d80000 ##################### done. The bootfile was 14320928 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: 8854071/tftp-deploy-nnlwi_nc/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/8854071/extract-nfsrootfs-h09509pg,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: 18412402 Starting kernel ... [ 0.000000] Linux version 5.10.165-cip24 (KernelCI@build-j904054-x86-64-gcc-10-x86-64-defconfig-x86-chromeboojc48s) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Tue Jan 24 12:25:51 UTC 2023 [ 0.000000] Command line: earlyprintk=uart8250,mmio32,0xde000000,115200n8 console=ttyS0,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/8854071/extract-nfsrootfs-h09509pg,tcp,hard ip=dhcp tftpserverip=192.168.201.1 [ 0.000000] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x008: 'MPX bounds registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x010: 'MPX CSR' [ 0.000000] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 [ 0.000000] x86/fpu: xstate_offset[3]: 832, xstate_sizes[3]: 64 [ 0.000000] x86/fpu: xstate_offset[4]: 896, xstate_sizes[4]: 64 [ 0.000000] x86/fpu: Enabled xstate features 0x1f, context size is 960 bytes, using 'compacted' format. [ 0.000000] BIOS-provided physical RAM map: [ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x0000000000000fff] type 16 [ 0.000000] BIOS-e820: [mem 0x0000000000001000-0x000000000009ffff] usable [ 0.000000] BIOS-e820: [mem 0x00000000000a0000-0x00000000000fffff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000000100000-0x000000007a997fff] usable [ 0.000000] BIOS-e820: [mem 0x000000007a998000-0x000000007affffff] type 16 [ 0.000000] BIOS-e820: [mem 0x000000007b000000-0x000000007fffffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000e0000000-0x00000000e3ffffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fe000000-0x00000000fe00ffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fed10000-0x00000000fed19fff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fed80000-0x00000000fed84fff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fed90000-0x00000000fed91fff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000100000000-0x000000017effffff] usable [ 0.000000] NX (Execute Disable) protection: active [ 0.000000] SMBIOS 2.7 present. [ 0.000000] DMI: Google Rammus/Rammus, BIOS 09/04/2020 [ 0.000000] tsc: Detected 1600.000 MHz processor [ 0.000000] tsc: Detected 1599.960 MHz TSC [ 0.000058] last_pfn = 0x17f000 max_arch_pfn = 0x400000000 [ 0.001419] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.007241] last_pfn = 0x7a998 max_arch_pfn = 0x400000000 [ 0.026108] check: Scanning 1 areas for low memory corruption [ 0.026121] Using GB pages for direct mapping [ 0.026923] RAMDISK: [mem 0x377c5000-0x37ffffff] [ 0.026930] ACPI: Early table checksum verification disabled [ 0.026939] ACPI: RSDP 0x00000000000F0000 000024 (v02 CORE ) [ 0.026952] ACPI: XSDT 0x000000007AA9A0E0 00006C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.026969] ACPI: FACP 0x000000007AA9E970 0000F4 (v04 CORE COREBOOT 00000000 CORE 00000000) [ 0.026986] ACPI: DSDT 0x000000007AA9A280 0046E3 (v05 COREv4 COREBOOT 20110725 INTL 20180531) [ 0.026999] ACPI: FACS 0x000000007AA9A240 000040 [ 0.027011] ACPI: FACS 0x000000007AA9A240 000040 [ 0.027022] ACPI: SSDT 0x000000007AA9EA70 000EFA (v02 CORE COREBOOT 0000002A CORE 0000002A) [ 0.027035] ACPI: MCFG 0x000000007AA9F970 00003C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.027048] ACPI: TPM2 0x000000007AA9F9B0 000040 (v04 CORE COREBOOT 00000000 CORE 00000000) [ 0.027060] ACPI: APIC 0x000000007AA9F9F0 00006C (v02 CORE COREBOOT 00000000 CORE 00000000) [ 0.027073] ACPI: NHLT 0x000000007AA9FA60 001B1C (v05 GOOGLE RAMMUS 00000000 CORE 00000000) [ 0.027085] ACPI: DMAR 0x000000007AAA1580 000088 (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.027098] ACPI: DBG2 0x000000007AAA3610 000061 (v00 CORE COREBOOT 00000000 CORE 00000000) [ 0.027110] ACPI: HPET 0x000000007AAA3680 000038 (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.027123] ACPI: Reserving FACP table memory at [mem 0x7aa9e970-0x7aa9ea63] [ 0.027128] ACPI: Reserving DSDT table memory at [mem 0x7aa9a280-0x7aa9e962] [ 0.027133] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] [ 0.027138] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] [ 0.027143] ACPI: Reserving SSDT table memory at [mem 0x7aa9ea70-0x7aa9f969] [ 0.027148] ACPI: Reserving MCFG table memory at [mem 0x7aa9f970-0x7aa9f9ab] [ 0.027153] ACPI: Reserving TPM2 table memory at [mem 0x7aa9f9b0-0x7aa9f9ef] [ 0.027157] ACPI: Reserving APIC table memory at [mem 0x7aa9f9f0-0x7aa9fa5b] [ 0.027162] ACPI: Reserving NHLT table memory at [mem 0x7aa9fa60-0x7aaa157b] [ 0.027167] ACPI: Reserving DMAR table memory at [mem 0x7aaa1580-0x7aaa1607] [ 0.027172] ACPI: Reserving DBG2 table memory at [mem 0x7aaa3610-0x7aaa3670] [ 0.027177] ACPI: Reserving HPET table memory at [mem 0x7aaa3680-0x7aaa36b7] [ 0.027317] No NUMA configuration found [ 0.027323] Faking a node at [mem 0x0000000000000000-0x000000017effffff] [ 0.027333] NODE_DATA(0) allocated [mem 0x17effc000-0x17effffff] [ 0.027378] Zone ranges: [ 0.027383] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.027391] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.027398] Normal [mem 0x0000000100000000-0x000000017effffff] [ 0.027406] Movable zone start for each node [ 0.027411] Early memory node ranges [ 0.027416] node 0: [mem 0x0000000000001000-0x000000000009ffff] [ 0.027422] node 0: [mem 0x0000000000100000-0x000000007a997fff] [ 0.027427] node 0: [mem 0x0000000100000000-0x000000017effffff] [ 0.027433] Initmem setup node 0 [mem 0x0000000000001000-0x000000017effffff] [ 0.027470] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.027516] On node 0, zone DMA: 96 pages in unavailable ranges [ 0.038984] On node 0, zone Normal: 22120 pages in unavailable ranges [ 0.039077] On node 0, zone Normal: 4096 pages in unavailable ranges [ 0.039104] Reserving Intel graphics memory at [mem 0x7c000000-0x7fffffff] [ 0.039463] ACPI: PM-Timer IO Port: 0x1808 [ 0.039520] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-119 [ 0.039534] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 0.039540] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.039556] Using ACPI (MADT) for SMP configuration information [ 0.039562] ACPI: HPET id: 0x8086a701 base: 0xfed00000 [ 0.039570] TSC deadline timer available [ 0.039575] smpboot: Allowing 4 CPUs, 0 hotplug CPUs [ 0.039606] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.039612] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000fffff] [ 0.039618] PM: hibernation: Registered nosave memory: [mem 0x7a998000-0x7affffff] [ 0.039623] PM: hibernation: Registered nosave memory: [mem 0x7b000000-0x7fffffff] [ 0.039627] PM: hibernation: Registered nosave memory: [mem 0x80000000-0xdfffffff] [ 0.039632] PM: hibernation: Registered nosave memory: [mem 0xe0000000-0xe3ffffff] [ 0.039636] PM: hibernation: Registered nosave memory: [mem 0xe4000000-0xfdffffff] [ 0.039641] PM: hibernation: Registered nosave memory: [mem 0xfe000000-0xfe00ffff] [ 0.039645] PM: hibernation: Registered nosave memory: [mem 0xfe010000-0xfed0ffff] [ 0.039650] PM: hibernation: Registered nosave memory: [mem 0xfed10000-0xfed19fff] [ 0.039654] PM: hibernation: Registered nosave memory: [mem 0xfed1a000-0xfed7ffff] [ 0.039659] PM: hibernation: Registered nosave memory: [mem 0xfed80000-0xfed84fff] [ 0.039663] PM: hibernation: Registered nosave memory: [mem 0xfed85000-0xfed8ffff] [ 0.039668] PM: hibernation: Registered nosave memory: [mem 0xfed90000-0xfed91fff] [ 0.039672] PM: hibernation: Registered nosave memory: [mem 0xfed92000-0xffffffff] [ 0.039682] [mem 0x80000000-0xdfffffff] available for PCI devices [ 0.039690] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns [ 0.054604] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:4 nr_node_ids:1 [ 0.054897] percpu: Embedded 59 pages/cpu s200848 r8192 d32624 u524288 [ 0.054979] Built 1 zonelists, mobility grouping on. Total pages: 1006266 [ 0.054985] Policy zone: Normal [ 0.055000] 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/8854071/extract-nfsrootfs-h09509pg,tcp,hard ip=dhcp tftpserverip=192.168.201.1 [ 0.055567] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) [ 0.055823] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear) [ 0.055917] mem auto-init: stack:off, heap alloc:off, heap free:off [ 0.078254] Memory: 3888364K/4089052K available (18450K kernel code, 3460K rwdata, 7992K rodata, 2012K init, 13316K bss, 200428K reserved, 0K cma-reserved) [ 0.078415] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 [ 0.078479] Kernel/User page tables isolation: enabled [ 0.078564] ftrace: allocating 52824 entries in 207 pages [ 0.138524] ftrace: allocated 207 pages with 6 groups [ 0.138820] Running RCU self tests [ 0.138837] rcu: Hierarchical RCU implementation. [ 0.138841] rcu: RCU event tracing is enabled. [ 0.138846] rcu: RCU lockdep checking is enabled. [ 0.138852] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=4. [ 0.138857] Rude variant of Tasks RCU enabled. [ 0.138862] Tracing variant of Tasks RCU enabled. [ 0.138867] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies. [ 0.138872] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 [ 0.149307] NR_IRQS: 4352, nr_irqs: 1024, preallocated irqs: 16 [ 0.149799] random: crng init done [ 0.149913] Console: colour dummy device 80x25 [ 0.225188] printk: console [ttyS0] enabled [ 0.225557] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.226220] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.226581] ... MAX_LOCK_DEPTH: 48 [ 0.226949] ... MAX_LOCKDEP_KEYS: 8192 [ 0.227332] ... CLASSHASH_SIZE: 4096 [ 0.227715] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.228104] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.228494] ... CHAINHASH_SIZE: 32768 [ 0.228884] memory used by lock dependency info: 6365 kB [ 0.229352] memory used for stack traces: 4224 kB [ 0.229771] per task-struct memory footprint: 1920 bytes [ 0.230302] ACPI: Core revision 20200925 [ 0.230925] hpet: HPET dysfunctional in PC10. Force disabled. [ 0.231426] APIC: Switch to symmetric I/O mode setup [ 0.235909] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x170fff30cc4, max_idle_ns: 440795237869 ns [ 0.236832] Calibrating delay loop (skipped), value calculated using timer frequency.. 3199.92 BogoMIPS (lpj=1599960) [ 0.237739] pid_max: default: 32768 minimum: 301 [ 0.237813] LSM: Security Framework initializing [ 0.237813] SELinux: Initializing. [ 0.237813] LSM support for eBPF active [ 0.237813] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.237813] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.237813] mce: CPU0: Thermal monitoring enabled (TM1) [ 0.237813] process: using mwait in idle threads [ 0.237813] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8 [ 0.237813] Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4 [ 0.237813] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 0.237813] Spectre V2 : Mitigation: IBRS [ 0.237813] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 0.237813] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB on VMEXIT [ 0.237813] RETBleed: Mitigation: IBRS [ 0.237813] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier [ 0.237813] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl and seccomp [ 0.237813] MDS: Vulnerable: Clear CPU buffers attempted, no microcode [ 0.237813] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode [ 0.237813] SRBDS: Vulnerable: No microcode [ 0.237813] ------------[ cut here ]------------ [ 0.237813] missing return thunk: lkdtm_rodata_do_nothing+0x0/0x10-lkdtm_rodata_do_nothing+0x5/0x10: e9 00 00 00 00 [ 0.237813] WARNING: CPU: 0 PID: 0 at arch/x86/kernel/alternative.c:712 apply_returns+0x1f5/0x220 [ 0.237813] Modules linked in: [ 0.237813] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.10.165-cip24 #1 [ 0.237813] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 0.237813] RIP: 0010:apply_returns+0x1f5/0x220 [ 0.237813] Code: e4 01 00 0f 85 e1 fe ff ff 49 89 e8 b9 05 00 00 00 4c 89 f2 48 89 ee 48 c7 c7 b0 20 7f b8 c6 05 4e 4d e4 01 01 e8 92 15 e6 00 <0f> 0b e9 b9 fe ff ff 44 89 f9 c7 00 cc cc cc cc c7 44 08 fc cc cc [ 0.237813] RSP: 0000:ffffffffb8a03de0 EFLAGS: 00010282 [ 0.237813] RAX: 0000000000000000 RBX: ffffffffb94d13d0 RCX: 0000000000000000 [ 0.237813] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffb6f7aae1 [ 0.237813] RBP: ffffffffb84d1440 R08: 0000000000000001 R09: 0000000000000001 [ 0.237813] R10: ffffffffb8a8fd20 R11: 3fffffffffffffff R12: ffffffffb94e8610 [ 0.237813] R13: cccccccccccccccc R14: ffffffffb84d1445 R15: 0000000000000004 [ 0.237813] FS: 0000000000000000(0000) GS:ffffa1863ac00000(0000) knlGS:0000000000000000 [ 0.237813] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 0.237813] CR2: ffffa185e4401000 CR3: 0000000122c26001 CR4: 00000000003706f0 [ 0.237813] Call Trace: [ 0.237813] alternative_instructions+0x7d/0x143 [ 0.237813] check_bugs+0xece/0xf2a [ 0.237813] start_kernel+0x517/0x54d [ 0.237813] secondary_startup_64_no_verify+0xc2/0xcb [ 0.237813] irq event stamp: 162483 [ 0.237813] hardirqs last enabled at (162491): [] console_unlock+0x4d1/0x5f0 [ 0.237813] hardirqs last disabled at (162498): [] console_unlock+0x444/0x5f0 [ 0.237813] softirqs last enabled at (1828): [] cgroup_idr_alloc.constprop.0+0x5b/0xe0 [ 0.237813] softirqs last disabled at (1826): [] cgroup_idr_alloc.constprop.0+0x2e/0xe0 [ 0.237813] ---[ end trace a87a77b7dbef1e91 ]--- [ 0.237813] Freeing SMP alternatives memory: 44K [ 0.237813] smpboot: CPU0: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz (family: 0x6, model: 0x8e, stepping: 0x9) [ 0.238748] Performance Events: PEBS fmt3+, Skylake events, 32-deep LBR, full-width counters, Intel PMU driver. [ 0.238833] ... version: 4 [ 0.239191] ... bit width: 48 [ 0.239554] ... generic registers: 4 [ 0.239821] ... value mask: 0000ffffffffffff [ 0.240287] ... max period: 00007fffffffffff [ 0.240751] ... fixed-purpose events: 3 [ 0.240822] ... event mask: 000000070000000f [ 0.241971] rcu: Hierarchical SRCU implementation. [ 0.244909] smp: Bringing up secondary CPUs ... [ 0.246350] x86: Booting SMP configuration: [ 0.246749] .... node #0, CPUs: #1 [ 0.247338] 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. [ 0.248824] 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. [ 0.250719] #2 #3 [ 0.253519] smp: Brought up 1 node, 4 CPUs [ 0.254197] smpboot: Max logical packages: 1 [ 0.254579] smpboot: Total of 4 processors activated (12799.68 BogoMIPS) [ 0.257828] devtmpfs: initialized [ 0.258585] x86/mm: Memory block size: 128MB [ 0.264002] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns [ 0.264844] futex hash table entries: 1024 (order: 5, 131072 bytes, linear) [ 0.266037] pinctrl core: initialized pinctrl subsystem [ 0.267004] PM: RTC time: 12:37:43, date: 2023-01-24 [ 0.268197] NET: Registered protocol family 16 [ 0.269652] audit: initializing netlink subsys (disabled) [ 0.269870] audit: type=2000 audit(1674563863.033:1): state=initialized audit_enabled=0 res=1 [ 0.271013] thermal_sys: Registered thermal governor 'step_wise' [ 0.271021] thermal_sys: Registered thermal governor 'user_space' [ 0.271652] cpuidle: using governor menu [ 0.272248] ACPI: bus type PCI registered [ 0.273329] PCI: MMCONFIG for domain 0000 [bus 00-3f] at [mem 0xe0000000-0xe3ffffff] (base 0xe0000000) [ 0.273829] PCI: MMCONFIG at [mem 0xe0000000-0xe3ffffff] reserved in E820 [ 0.274463] PCI: Using configuration type 1 for base access [ 0.306388] Kprobes globally optimized [ 0.306998] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 0.307839] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 0.308655] cryptomgr_test (38) used greatest stack depth: 14880 bytes left [ 0.312272] ACPI: Added _OSI(Module Device) [ 0.312829] ACPI: Added _OSI(Processor Device) [ 0.313226] ACPI: Added _OSI(3.0 _SCP Extensions) [ 0.313665] ACPI: Added _OSI(Processor Aggregator Device) [ 0.313827] ACPI: Added _OSI(Linux-Dell-Video) [ 0.314227] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 0.314698] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 0.331929] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 0.343455] ACPI: EC: EC started [ 0.343773] ACPI: EC: interrupt blocked [ 0.344867] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.345318] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC used to handle transactions [ 0.345822] ACPI: Interpreter enabled [ 0.346248] ACPI: (supports S0 S3 S4 S5) [ 0.346602] ACPI: Using IOAPIC for interrupt routing [ 0.346928] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 0.371558] ACPI: Power Resource [PRIC] (on) [ 0.507336] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 0.507835] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] [ 0.509029] acpi PNP0A08:00: _OSC: OS now controls [PME PCIeCapability LTR] [ 0.509722] acpi PNP0A08:00: [Firmware Info]: MMCONFIG for domain 0000 [bus 00-3f] only partially covers this bridge [ 0.510675] PCI host bridge to bus 0000:00 [ 0.510833] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 0.511425] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 0.511825] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 0.512473] pci_bus 0000:00: root bus resource [mem 0x000c0000-0x000c3fff window] [ 0.512823] pci_bus 0000:00: root bus resource [mem 0x000c4000-0x000c7fff window] [ 0.513472] pci_bus 0000:00: root bus resource [mem 0x000c8000-0x000cbfff window] [ 0.513823] pci_bus 0000:00: root bus resource [mem 0x000cc000-0x000cffff window] [ 0.514471] pci_bus 0000:00: root bus resource [mem 0x000d0000-0x000d3fff window] [ 0.514823] pci_bus 0000:00: root bus resource [mem 0x000d4000-0x000d7fff window] [ 0.515470] pci_bus 0000:00: root bus resource [mem 0x000d8000-0x000dbfff window] [ 0.515823] pci_bus 0000:00: root bus resource [mem 0x000dc000-0x000dffff window] [ 0.516472] pci_bus 0000:00: root bus resource [mem 0x000e0000-0x000e3fff window] [ 0.516823] pci_bus 0000:00: root bus resource [mem 0x000e4000-0x000e7fff window] [ 0.517471] pci_bus 0000:00: root bus resource [mem 0x000e8000-0x000ebfff window] [ 0.517823] pci_bus 0000:00: root bus resource [mem 0x000ec000-0x000effff window] [ 0.518474] pci_bus 0000:00: root bus resource [mem 0x000f0000-0x000fffff window] [ 0.518823] pci_bus 0000:00: root bus resource [mem 0x80000001-0xdfffffff window] [ 0.519471] pci_bus 0000:00: root bus resource [mem 0x800000000-0xbffffffff window] [ 0.519824] pci_bus 0000:00: root bus resource [mem 0xfd000000-0xfe7fffff window] [ 0.520472] pci_bus 0000:00: root bus resource [mem 0xfed40000-0xfed44fff window] [ 0.520824] pci_bus 0000:00: root bus resource [bus 00-ff] [ 0.521415] pci 0000:00:00.0: [8086:590c] type 00 class 0x060000 [ 0.523224] pci 0000:00:02.0: [8086:591c] type 00 class 0x030000 [ 0.523779] pci 0000:00:02.0: reg 0x10: [mem 0xd0000000-0xd0ffffff 64bit] [ 0.523841] pci 0000:00:02.0: reg 0x18: [mem 0xc0000000-0xcfffffff 64bit pref] [ 0.524478] pci 0000:00:02.0: reg 0x20: [io 0x1c00-0x1c3f] [ 0.525714] pci 0000:00:04.0: [8086:1903] type 00 class 0x118000 [ 0.525853] pci 0000:00:04.0: reg 0x10: [mem 0xd1120000-0xd1127fff 64bit] [ 0.527503] pci 0000:00:08.0: [8086:1911] type 00 class 0x088000 [ 0.527853] pci 0000:00:08.0: reg 0x10: [mem 0xd1130000-0xd1130fff 64bit] [ 0.529358] pci 0000:00:14.0: [8086:9d2f] type 00 class 0x0c0330 [ 0.529867] pci 0000:00:14.0: reg 0x10: [mem 0xd1100000-0xd110ffff 64bit] [ 0.530627] pci 0000:00:14.0: PME# supported from D3hot D3cold [ 0.531898] pci 0000:00:14.2: [8086:9d31] type 00 class 0x118000 [ 0.532467] pci 0000:00:14.2: reg 0x10: [mem 0xd1131000-0xd1131fff 64bit] [ 0.533762] pci 0000:00:15.0: [8086:9d60] type 00 class 0x118000 [ 0.533874] pci 0000:00:15.0: reg 0x10: [mem 0xd1132000-0xd1132fff 64bit] [ 0.535587] pci 0000:00:15.1: [8086:9d61] type 00 class 0x118000 [ 0.535874] pci 0000:00:15.1: reg 0x10: [mem 0xd1133000-0xd1133fff 64bit] [ 0.537626] pci 0000:00:19.0: [8086:9d66] type 00 class 0x118000 [ 0.537874] pci 0000:00:19.0: reg 0x10: [mem 0xfe034000-0xfe034fff 64bit] [ 0.538495] pci 0000:00:19.0: reg 0x18: [mem 0xd1135000-0xd1135fff 64bit] [ 0.539911] pci 0000:00:19.1: [8086:9d65] type 00 class 0x118000 [ 0.540484] pci 0000:00:19.1: reg 0x10: [mem 0xd1136000-0xd1136fff 64bit] [ 0.541988] pci 0000:00:1c.0: [8086:9d10] type 01 class 0x060400 [ 0.542744] pci 0000:00:1c.0: PME# supported from D0 D3hot D3cold [ 0.543900] pci 0000:00:1e.0: [8086:9d27] type 00 class 0x118000 [ 0.544473] pci 0000:00:1e.0: reg 0x10: [mem 0xd1137000-0xd1137fff 64bit] [ 0.545967] pci 0000:00:1e.2: [8086:9d29] type 00 class 0x118000 [ 0.546540] pci 0000:00:1e.2: reg 0x10: [mem 0xd1138000-0xd1138fff 64bit] [ 0.547953] pci 0000:00:1e.4: [8086:9d2b] type 00 class 0x080501 [ 0.548522] pci 0000:00:1e.4: reg 0x10: [mem 0xd1139000-0xd1139fff 64bit] [ 0.550095] pci 0000:00:1e.6: [8086:9d2d] type 00 class 0x080501 [ 0.550665] pci 0000:00:1e.6: reg 0x10: [mem 0xd113a000-0xd113afff 64bit] [ 0.551911] pci 0000:00:1f.0: [8086:9d4b] type 00 class 0x060100 [ 0.553512] pci 0000:00:1f.2: [8086:9d21] type 00 class 0x058000 [ 0.553859] pci 0000:00:1f.2: reg 0x10: [mem 0xd1128000-0xd112bfff] [ 0.555468] pci 0000:00:1f.3: [8086:9d71] type 00 class 0x040100 [ 0.555873] pci 0000:00:1f.3: reg 0x10: [mem 0xd112c000-0xd112ffff 64bit] [ 0.556525] pci 0000:00:1f.3: reg 0x20: [mem 0xd1110000-0xd111ffff 64bit] [ 0.556949] pci 0000:00:1f.3: PME# supported from D3hot D3cold [ 0.558533] pci 0000:00:1f.4: [8086:9d23] type 00 class 0x0c0500 [ 0.558891] pci 0000:00:1f.4: reg 0x10: [mem 0xd113c000-0xd113c0ff 64bit] [ 0.559557] pci 0000:00:1f.4: reg 0x20: [io 0xefa0-0xefbf] [ 0.560835] pci 0000:00:1f.5: [8086:9d24] type 00 class 0x000000 [ 0.561395] pci 0000:00:1f.5: reg 0x10: [mem 0xfe010000-0xfe010fff] [ 0.563519] pci 0000:01:00.0: [8086:095a] type 00 class 0x028000 [ 0.564764] pci 0000:01:00.0: reg 0x10: [mem 0xd1000000-0xd1001fff 64bit] [ 0.569021] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold [ 0.572124] pci 0000:00:1c.0: PCI bridge to [bus 01] [ 0.572580] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] [ 0.574631] ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.575214] ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 *10 12 14 15) [ 0.576204] ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.577207] ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.578202] ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.579208] ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.580205] ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.581205] ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.589523] ACPI: EC: interrupt unblocked [ 0.589821] ACPI: EC: event unblocked [ 0.590169] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.590621] ACPI: EC: GPE=0x6e [ 0.590833] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC initialization complete [ 0.591448] ACPI: \_SB_.PCI0.LPCB.EC0_: EC: Used to handle transactions and events [ 0.592410] iommu: Default domain type: Translated [ 0.593031] pci 0000:00:02.0: vgaarb: setting as boot VGA device [ 0.593479] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 0.593866] pci 0000:00:02.0: vgaarb: bridge control possible [ 0.594370] vgaarb: loaded [ 0.595351] SCSI subsystem initialized [ 0.597078] ACPI: bus type USB registered [ 0.597599] usbcore: registered new interface driver usbfs [ 0.597900] usbcore: registered new interface driver hub [ 0.598419] usbcore: registered new device driver usb [ 0.598988] pps_core: LinuxPPS API ver. 1 registered [ 0.599425] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 0.599836] PTP clock support registered [ 0.600267] Advanced Linux Sound Architecture Driver Initialized. [ 0.602097] NetLabel: Initializing [ 0.602408] NetLabel: domain hash size = 128 [ 0.602793] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 0.603924] NetLabel: unlabeled traffic allowed by default [ 0.604525] PCI: Using ACPI for IRQ routing [ 0.612819] clocksource: Switched to clocksource tsc-early [ 1.132574] VFS: Disk quotas dquot_6.6.0 [ 1.133013] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 1.134139] pnp: PnP ACPI init [ 1.135523] system 00:00: [mem 0xfed10000-0xfed17fff] has been reserved [ 1.136130] system 00:00: [mem 0xfed18000-0xfed18fff] has been reserved [ 1.136711] system 00:00: [mem 0xfed19000-0xfed19fff] has been reserved [ 1.137310] system 00:00: [mem 0xe0000000-0xe3ffffff] has been reserved [ 1.137905] system 00:00: [mem 0xfed20000-0xfed3ffff] has been reserved [ 1.138486] system 00:00: [mem 0xfed90000-0xfed93fff] could not be reserved [ 1.139113] system 00:00: [mem 0xfed45000-0xfed8ffff] could not be reserved [ 1.139720] system 00:00: [mem 0xff000000-0xffffffff] has been reserved [ 1.140316] system 00:00: [mem 0xfee00000-0xfeefffff] has been reserved [ 1.140913] system 00:00: [mem 0xfed00000-0xfed003ff] has been reserved [ 1.142740] system 00:01: [io 0x1800-0x18fe] has been reserved [ 1.143808] system 00:03: [io 0x0900-0x09fe] has been reserved [ 1.144691] system 00:04: [io 0x0200] has been reserved [ 1.145185] system 00:04: [io 0x0204] has been reserved [ 1.145657] system 00:04: [io 0x0800-0x087f] has been reserved [ 1.146199] system 00:04: [io 0x0880-0x08ff] has been reserved [ 1.149923] pnp: PnP ACPI: found 6 devices [ 1.167748] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 1.168684] NET: Registered protocol family 2 [ 1.169285] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear) [ 1.171945] tcp_listen_portaddr_hash hash table entries: 2048 (order: 5, 163840 bytes, linear) [ 1.172983] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear) [ 1.173974] TCP bind hash table entries: 32768 (order: 9, 2359296 bytes, linear) [ 1.176915] TCP: Hash tables configured (established 32768 bind 32768) [ 1.177889] MPTCP token hash table entries: 4096 (order: 6, 360448 bytes, linear) [ 1.178899] UDP hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 1.179809] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 1.180954] NET: Registered protocol family 1 [ 1.182274] RPC: Registered named UNIX socket transport module. [ 1.182850] RPC: Registered udp transport module. [ 1.183269] RPC: Registered tcp transport module. [ 1.183686] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 1.184993] NET: Registered protocol family 44 [ 1.185412] pci 0000:00:1c.0: PCI bridge to [bus 01] [ 1.185898] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] [ 1.186508] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 1.187063] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 1.187602] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 1.188216] pci_bus 0000:00: resource 7 [mem 0x000c0000-0x000c3fff window] [ 1.188813] pci_bus 0000:00: resource 8 [mem 0x000c4000-0x000c7fff window] [ 1.189426] pci_bus 0000:00: resource 9 [mem 0x000c8000-0x000cbfff window] [ 1.190038] pci_bus 0000:00: resource 10 [mem 0x000cc000-0x000cffff window] [ 1.190641] pci_bus 0000:00: resource 11 [mem 0x000d0000-0x000d3fff window] [ 1.191259] pci_bus 0000:00: resource 12 [mem 0x000d4000-0x000d7fff window] [ 1.191876] pci_bus 0000:00: resource 13 [mem 0x000d8000-0x000dbfff window] [ 1.192480] pci_bus 0000:00: resource 14 [mem 0x000dc000-0x000dffff window] [ 1.193106] pci_bus 0000:00: resource 15 [mem 0x000e0000-0x000e3fff window] [ 1.193710] pci_bus 0000:00: resource 16 [mem 0x000e4000-0x000e7fff window] [ 1.194330] pci_bus 0000:00: resource 17 [mem 0x000e8000-0x000ebfff window] [ 1.194949] pci_bus 0000:00: resource 18 [mem 0x000ec000-0x000effff window] [ 1.195553] pci_bus 0000:00: resource 19 [mem 0x000f0000-0x000fffff window] [ 1.196173] pci_bus 0000:00: resource 20 [mem 0x80000001-0xdfffffff window] [ 1.196777] pci_bus 0000:00: resource 21 [mem 0x800000000-0xbffffffff window] [ 1.197411] pci_bus 0000:00: resource 22 [mem 0xfd000000-0xfe7fffff window] [ 1.198030] pci_bus 0000:00: resource 23 [mem 0xfed40000-0xfed44fff window] [ 1.198634] pci_bus 0000:01: resource 1 [mem 0xd1000000-0xd10fffff] [ 1.199773] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 1.203194] PCI: CLS 64 bytes, default 64 [ 1.204050] Unpacking initramfs... [ 1.577148] Freeing initrd memory: 8428K [ 1.577584] DMAR: Host address width 39 [ 1.577984] DMAR: DRHD base: 0x000000fed90000 flags: 0x0 [ 1.578527] DMAR: dmar0: reg_base_addr fed90000 ver 1:0 cap 1c0000c40660462 ecap 19e2ff0505e [ 1.579277] DMAR: RMRR base: 0x0000007b800000 end: 0x0000007fffffff [ 1.579843] DMAR: DRHD base: 0x000000fed91000 flags: 0x1 [ 1.580332] DMAR: dmar1: reg_base_addr fed91000 ver 1:0 cap d2008c40660462 ecap f050da [ 1.581161] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 1.581724] software IO TLB: mapped [mem 0x0000000076998000-0x000000007a998000] (64MB) [ 1.582696] RAPL PMU: API unit is 2^-32 Joules, 5 fixed counters, 655360 ms ovfl timer [ 1.583418] RAPL PMU: hw unit of domain pp0-core 2^-14 Joules [ 1.584023] RAPL PMU: hw unit of domain package 2^-14 Joules [ 1.584519] RAPL PMU: hw unit of domain dram 2^-14 Joules [ 1.585008] RAPL PMU: hw unit of domain pp1-gpu 2^-14 Joules [ 1.585503] RAPL PMU: hw unit of domain psys 2^-14 Joules [ 1.588296] kvm: already loaded the other module [ 1.617925] check: Scanning for low memory corruption every 60 seconds [ 1.622709] Initialise system trusted keyrings [ 1.623438] workingset: timestamp_bits=56 max_order=20 bucket_order=0 [ 1.651239] NFS: Registering the id_resolver key type [ 1.651733] Key type id_resolver registered [ 1.652165] Key type id_legacy registered [ 1.674674] Key type asymmetric registered [ 1.675103] Asymmetric key parser 'x509' registered [ 1.675596] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249) [ 1.676275] io scheduler mq-deadline registered [ 1.676680] io scheduler kyber registered [ 1.677363] test_firmware: interface ready [ 1.679774] pcieport 0000:00:1c.0: PME: Signaling with IRQ 120 [ 1.682018] ACPI: AC Adapter [AC] (on-line) [ 1.682929] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/PNP0C0D:00/input/input0 [ 1.684866] ACPI: Lid Switch [LID0] [ 1.685526] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input1 [ 1.686512] ACPI: Power Button [PWRF] [ 1.687419] ACPI: \_PR_.CP00: Found 3 idle states [ 1.688797] ACPI: \_PR_.CP01: Found 3 idle states [ 1.690024] ACPI: \_PR_.CP02: Found 3 idle states [ 1.691256] ACPI: \_PR_.CP03: Found 3 idle states [ 1.693126] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 1.696755] hpet_acpi_add: no address or irqs in _CRS [ 1.697535] Non-volatile memory driver v1.3 [ 1.698145] Linux agpgart interface v0.103 [ 1.698742] battery: ACPI: Battery Slot [BAT0] (battery present) [ 1.702183] i915 0000:00:02.0: vgaarb: deactivate vga console [ 1.754734] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem [ 1.756669] i915 0000:00:02.0: [drm] Finished loading DMC firmware i915/kbl_dmc_ver1_04.bin (v1.4) [ 1.795129] [drm] Initialized i915 1.6.0 20200917 for 0000:00:02.0 on minor 0 [ 1.799735] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 1 [ 1.822671] loop: module loaded [ 1.824084] lkdtm: No crash points registered, enable through debugfs [ 1.857406] printk: console [ttyS0] disabled [ 1.858954] dw-apb-uart.2: ttyS0 at MMIO 0xfe034000 (irq = 32, base_baud = 115200) is a 16550A [ 2.637349] tsc: Refined TSC clocksource calibration: 1607.999 MHz [ 2.637386] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x172da94f0e2, max_idle_ns: 440795278248 ns [ 2.637595] clocksource: Switched to clocksource tsc [ 5.255729] printk: console [ttyS0] enabled [ 5.255752] fbcon: i915drmfb (fb0) is primary device [ 5.271944] dw-apb-uart.4: ttyS1 at MMIO 0xd1137000 (irq = 20, base_baud = 115200) is a 16550A [ 5.274513] pxa2xx-spi pxa2xx-spi.5: no DMA channels available, using PIO [ 5.284489] e100: Intel(R) PRO/100 Network Driver [ 5.284494] e100: Copyright(c) 1999-2006 Intel Corporation [ 5.284573] e1000: Intel(R) PRO/1000 Network Driver [ 5.284576] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 5.284675] e1000e: Intel(R) PRO/1000 Network Driver [ 5.284677] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 5.284780] sky2: driver version 1.30 [ 5.285222] usbcore: registered new interface driver r8152 [ 5.285875] tpm_tis_spi spi-PRP0001:00: TPM ready IRQ confirmed on attempt 2 [ 5.285899] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 5.285933] ehci-pci: EHCI PCI platform driver [ 5.286018] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 5.286040] ohci-pci: OHCI PCI platform driver [ 5.286130] uhci_hcd: USB Universal Host Controller Interface driver [ 5.287701] xhci_hcd 0000:00:14.0: xHCI Host Controller [ 5.288792] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 1 [ 5.290328] xhci_hcd 0000:00:14.0: hcc params 0x200077c1 hci version 0x100 quirks 0x0000000081109810 [ 5.290385] xhci_hcd 0000:00:14.0: cache line size of 64 is not supported [ 5.293019] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10 [ 5.293052] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 5.293060] usb usb1: Product: xHCI Host Controller [ 5.293066] usb usb1: Manufacturer: Linux 5.10.165-cip24 xhci-hcd [ 5.293070] usb usb1: SerialNumber: 0000:00:14.0 [ 5.295443] hub 1-0:1.0: USB hub found [ 5.295680] hub 1-0:1.0: 12 ports detected [ 5.301974] xhci_hcd 0000:00:14.0: xHCI Host Controller [ 5.302569] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 2 [ 5.302586] xhci_hcd 0000:00:14.0: Host supports USB 3.0 SuperSpeed [ 5.303108] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.10 [ 5.303120] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 5.303127] usb usb2: Product: xHCI Host Controller [ 5.303132] usb usb2: Manufacturer: Linux 5.10.165-cip24 xhci-hcd [ 5.303152] usb usb2: SerialNumber: 0000:00:14.0 [ 5.305022] hub 2-0:1.0: USB hub found [ 5.305172] hub 2-0:1.0: 6 ports detected [ 5.308424] usbcore: registered new interface driver usblp [ 5.308545] usbcore: registered new interface driver usb-storage [ 5.309227] udc-core: couldn't find an available UDC - added [g_ether] to list of pending drivers [ 5.309402] i8042: PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1 [ 5.309407] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp [ 5.309652] tpm_tis_spi spi-PRP0001:00: 2.0 TPM (device-id 0x28, rev-id 0) [ 5.310230] i8042: Warning: Keylock active [ 5.310533] serio: i8042 KBD port at 0x60,0x64 irq 1 [ 5.312284] Console: switching to colour frame buffer device 240x67 [ 5.313286] rtc_cmos 00:02: RTC can wake from S4 [ 5.316229] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input2 [ 5.317481] rtc_cmos 00:02: registered as rtc0 [ 5.317860] rtc_cmos 00:02: alarms up to one month, 242 bytes nvram [ 5.319256] i801_smbus 0000:00:1f.4: SPD Write Disable is set [ 5.319309] i801_smbus 0000:00:1f.4: SMBus using PCI interrupt [ 5.320565] i2c i2c-9: 2/2 memory slots populated (from DMI) [ 5.322385] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com [ 5.322454] intel_pstate: Intel P-state driver initializing [ 5.323418] intel_pstate: HWP enabled [ 5.323455] sdhci: Secure Digital Host Controller Interface driver [ 5.323456] sdhci: Copyright(c) Pierre Ossman [ 5.323492] sdhci-pci 0000:00:1e.4: SDHCI controller found [8086:9d2b] (rev 21) [ 5.324684] mmc0: SDHCI controller on PCI [0000:00:1e.4] using ADMA 64-bit [ 5.324898] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.326511] hid: raw HID events driver (C) Jiri Kosina [ 5.327183] usbcore: registered new interface driver usbhid [ 5.327185] usbhid: USB HID core driver [ 5.327871] input: Tablet Mode Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/GOOG0006:00/input/input3 [ 5.333214] cros_ec_lpcs GOOG0004:00: Chrome EC device registered [ 5.334900] i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device [ 5.341141] snd_hda_intel 0000:00:1f.3: DSP detected with PCI class/subclass/prog-if info 0x040100 [ 5.807356] ipip: IPv4 and MPLS over IPv4 tunneling driver [ 5.813881] gre: GRE over IPv4 demultiplexor driver [ 5.819340] ip_gre: GRE over IPv4 tunneling driver [ 5.825764] IPv4 over IPsec tunneling driver [ 5.830900] Initializing XFRM netlink socket [ 5.835154] tpm_tis_spi spi-PRP0001:00: Cr50 firmware version: B2-C:0 RO_A:0.0.10/29d77172 RW_B:0.3.15/cr50_v1.9308_87_mp.224-6 [ 5.836333] NET: Registered protocol family 10 [ 5.854326] Segment Routing with IPv6 [ 5.859093] ip6_gre: GRE over IPv6 tunneling driver [ 5.864910] NET: Registered protocol family 17 [ 5.870068] Key type dns_resolver registered [ 5.875666] microcode: sig=0x806e9, pf=0x10, revision=0x98 [ 5.881890] microcode: Microcode Update Driver: v2.2. [ 5.881896] IPI shorthand broadcast: enabled [ 5.892359] sched_clock: Marking stable (5805276317, 87058126)->(6020977409, -128642966) [ 5.901905] registered taskstats version 1 [ 5.906495] Loading compiled-in X.509 certificates [ 5.913717] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.922869] usb 1-3: new full-speed USB device number 2 using xhci_hcd [ 5.923882] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.939780] PM: Magic number: 7:625:633 [ 5.944375] acpi INT3403:00: hash matches [ 5.949037] printk: console [netcon0] enabled [ 5.953916] netconsole: network logging started [ 5.959660] IP-Config: Failed to open gretap0 [ 5.964620] IP-Config: Failed to open erspan0 [ 5.969501] IP-Config: No network devices available [ 5.974970] cfg80211: Loading compiled-in X.509 certificates for regulatory database [ 5.986569] modprobe (100) used greatest stack depth: 14208 bytes left [ 5.989858] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' [ 5.993941] modprobe (101) used greatest stack depth: 14120 bytes left [ 6.001487] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 [ 6.008650] ALSA device list: [ 6.017072] mmc0: new HS400 MMC card at address 0001 [ 6.017768] mmcblk0: mmc0:0001 DA4064 58.2 GiB [ 6.017904] mmcblk0boot0: mmc0:0001 DA4064 partition 1 4.00 MiB [ 6.018024] mmcblk0boot1: mmc0:0001 DA4064 partition 2 4.00 MiB [ 6.018210] mmcblk0rpmb: mmc0:0001 DA4064 partition 3 16.0 MiB, chardev (246:0) [ 6.018280] cfg80211: failed to load regulatory.db [ 6.021544] No soundcards found. [ 6.022565] mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12 [ 6.028001] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.077813] dw-apb-uart dw-apb-uart.2: forbid DMA for kernel console [ 6.081975] snd_hda_intel 0000:00:1f.3: bound 0000:00:02.0 (ops i915_audio_component_bind_ops) [ 6.095441] Freeing unused kernel image (initmem) memory: 2012K [ 6.098154] usb 1-3: New USB device found, idVendor=8087, idProduct=0a2a, bcdDevice= 0.03 [ 6.109013] snd_hda_intel 0000:00:1f.3: Cannot probe codecs, giving up [ 6.111251] usb 1-3: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 6.128480] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.137942] Write protecting the kernel read-only data: 28672k [ 6.145628] Freeing unused kernel image (text/rodata gap) memory: 2028K [ 6.153329] Freeing unused kernel image (rodata/data gap) memory: 200K [ 6.160691] Run /init as init process Loading, please wait... Starting version 247.3-7+deb11u1 [ 6.182626] systemd-udevd (123) used greatest stack depth: 13800 bytes left [ 6.210937] usb 2-3: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 6.232554] usb 2-3: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=31.00 [ 6.239155] udevadm (125) used greatest stack depth: 13576 bytes left [ 6.241729] usb 2-3: New USB device strings: Mfr=1, Product=2, SerialNumber=6 [ 6.256940] usb 2-3: Product: USB 10/100/1000 LAN [ 6.262212] usb 2-3: Manufacturer: Realtek [ 6.266802] usb 2-3: SerialNumber: 001000001 [ 6.284655] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.345872] usb 1-9: new high-speed USB device number 3 using xhci_hcd [ 6.406623] cros-usbpd-notify-acpi GOOG0003:00: Couldn't get Chrome EC device pointer. [ 6.415624] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.444928] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.503096] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.513307] usb 1-9: New USB device found, idVendor=13d3, idProduct=56d4, bcdDevice=18.07 [ 6.516333] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.522507] usb 1-9: New USB device strings: Mfr=3, Product=1, SerialNumber=2 [ 6.532251] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.538641] usb 1-9: Product: USB2.0 HD UVC WebCam [ 6.552188] usb 1-9: Manufacturer: Azurewave [ 6.556976] usb 1-9: SerialNumber: 0x0001 [ 6.565314] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.575858] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.617312] usb 2-3: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 6.675220] r8152 2-3:1.0: load rtl8153b-2 v1 10/23/19 successfully [ 6.717350] r8152 2-3:1.0 eth0: v1.11.11 [ 6.722852] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.769862] r8152 2-3:1.0 enx00e04c680498: renamed from eth0 [ 6.806477] udevadm (143) used greatest stack depth: 13400 bytes left Begin: Loading essential drivers ... done. Begin: Running /scripts/init-premount ... done. Begin: Mounting root file system ... Begin: Running /scripts/nfs-top ... done. Begin: Running /scripts/nfs-premount ... Waiting up to 60 secs for any ethernet to become available Device /sys/class/net/enx00e04c680498 found done. IP-Config: enx00e04c680498 hardware address 00:e0:4c:68:04:98 mtu 1500 DHCP IP-Config: gretap0 hardware address 00:00:00:00:00:00 mtu 1462 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: erspan0 hardware address 00:00:00:00:00:00 mtu 1450 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: no response after 2 secs - giving up IP-Config: enx00e04c680498 hardware address 00:e0:4c:68:04:98 mtu 1500 DHCP IP-Config: gretap0 hardware address 00:00:00:00:00:00 mtu 1462 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: erspan0 hardware address 00:00:00:00:00:00 mtu 1450 DHCP SIOCSIFFLAGS: Cannot assign requested address [ 8.319610] IPv6: ADDRCONF(NETDEV_CHANGE): enx00e04c680498: link becomes ready [ 8.328122] r8152 2-3:1.0 enx00e04c680498: carrier on IP-Config: enx00e04c680498 complete (dhcp from 192.168.201.1): address: 192.168.201.15 broadcast: 192.168.201.255 netmask: 255.255.255.0 gateway: 192.168.201.1 dns0 : 192.168.201.1 dns1 : 0.0.0.0 host : asus-C433TA-AJ0005-rammus-cbg-4 domain : lava-rack rootserver: 192.168.201.1 rootpath: filename : [ 9.554588] nfsmount (170) used greatest stack depth: 12688 bytes left done. Begin: Running /scripts/nfs-bottom ... done. Begin: Running /scripts/init-bottom ... done. SELinux: Could not open policy file <= /etc/selinux/targeted/policy/policy.33: No such file or directory [ 10.677196] 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) [ 10.715131] systemd[1]: Detected architecture x86-64. Welcome to Debian GNU/Linux 11 (bullseye)! [ 10.743727] systemd[1]: Set hostname to . [ 11.233035] systemd[1]: Queued start job for default target Graphical Interface. [ 11.244408] systemd[1]: Created slice system-getty.slice. [ OK ] Created slice system-getty.slice. [ 11.260470] systemd[1]: Created slice system-modprobe.slice. [ OK ] Created slice system-modprobe.slice. [ 11.276524] systemd[1]: Created slice system-serial\x2dgetty.slice. [ OK ] Created slice system-serial\x2dgetty.slice. [ 11.293479] systemd[1]: Created slice User and Session Slice. [ OK ] Created slice User and Session Slice. [ 11.309405] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [ OK ] Started Dispatch Password …ts to Console Directory Watch. [ 11.328338] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [ OK ] Started Forward Password R…uests to Wall Directory Watch. [ 11.349995] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point. [ OK ] Set up automount Arbitrary…s File System Automount Point. [ 11.370231] systemd[1]: Reached target Local Encrypted Volumes. [ OK ] Reached target Local Encrypted Volumes. [ 11.386125] systemd[1]: Reached target Paths. [ OK ] Reached target Paths. [ 11.397083] systemd[1]: Reached target Remote File Systems. [ OK ] Reached target Remote File Systems. [ 11.413180] systemd[1]: Reached target Slices. [ OK ] Reached target Slices. [ 11.424094] systemd[1]: Reached target Swap. [ OK ] Reached target Swap. [ 11.435403] systemd[1]: Listening on initctl Compatibility Named Pipe. [ OK ] Listening on initctl Compatibility Named Pipe. [ 11.453153] systemd[1]: Listening on Journal Audit Socket. [ OK ] Listening on Journal Audit Socket. [ 11.470325] systemd[1]: Listening on Journal Socket (/dev/log). [ OK ] Listening on Journal Socket (/dev/log). [ 11.486748] systemd[1]: Listening on Journal Socket. [ OK ] Listening on Journal Socket. [ 11.503626] systemd[1]: Listening on Network Service Netlink Socket. [ OK ] Listening on Network Service Netlink Socket. [ 11.525129] systemd[1]: Listening on udev Control Socket. [ OK ] Listening on udev Control Socket. [ 11.542463] systemd[1]: Listening on udev Kernel Socket. [ OK ] Listening on udev Kernel Socket. [ 11.563987] systemd[1]: Mounting Huge Pages File System... Mounting Huge Pages File System... [ 11.582964] systemd[1]: Mounting POSIX Message Queue File System... Mounting POSIX Message Queue File System... [ 11.602230] systemd[1]: Mounting Kernel Debug File System... Mounting Kernel Debug File System... [ 11.618857] systemd[1]: Mounting Kernel Trace File System... Mounting Kernel Trace File System... [ 11.643199] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting Create list of st…odes for the current kernel... [ 11.664921] systemd[1]: Starting Load Kernel Module configfs... Starting Load Kernel Module configfs... [ 11.681652] systemd[1]: Starting Load Kernel Module drm... Starting Load Kernel Module drm... [ 11.696860] systemd[1]: Starting Load Kernel Module fuse... Starting Load Kernel Module fuse... [ 11.738921] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. [ 11.749358] fuse: init (API version 7.32) [ 11.755527] systemd[1]: Starting Journal Service... Starting Journal Service... [ 11.773515] systemd[1]: Starting Load Kernel Modules... Starting Load Kernel Modules... [ 11.786540] systemd[1]: Starting Remount Root and Kernel File Systems... Starting Remount Root and Kernel File Systems... [ 11.804799] systemd[1]: Starting Coldplug All udev Devices... Starting Coldplug All udev Devices... [ 11.822230] systemd[1]: Mounted Huge Pages File System. [ OK ] Mounted Huge Pages File System. [ 11.837182] systemd[1]: Mounted POSIX Message Queue File System. [ OK ] Mounted POSIX Message Queue File System. [ 11.853235] systemd[1]: Mounted Kernel Debug File System. [ OK ] Mounted Kernel Debug File System. [ 11.868124] systemd[1]: Mounted Kernel Trace File System. [ OK ] Mounted Kernel Trace File System. [ 11.884073] systemd[1]: Finished Create list of static device nodes for the current kernel. [ OK ] Finished Create list of st… nodes for the current kernel. [ 11.906083] systemd[1]: modprobe@configfs.service: Succeeded. [ 11.913317] systemd[1]: Finished Load Kernel Module configfs. [ OK ] Finished Load Kernel Module configfs. [ 11.929945] systemd[1]: modprobe@drm.service: Succeeded. [ 11.936709] systemd[1]: Finished Load Kernel Module drm. [ OK ] Finished Load Kernel Module drm. [ 11.952960] systemd[1]: modprobe@fuse.service: Succeeded. [ 11.959807] systemd[1]: Finished Load Kernel Module fuse. [ OK ] Finished Load Kernel Module fuse. [ 11.976054] systemd[1]: Finished Load Kernel Modules. [ OK ] Finished Load Kernel Modules. [ 11.989659] systemd[1]: Finished Remount Root and Kernel File Systems. [ OK ] Finished Remount Root and Kernel File Systems. [ 12.006395] systemd[1]: Started Journal Service. [ OK ] Started Journal Service. Mounting FUSE Control File System... Mounting Kernel Configuration File System... Starting Flush Journal to Persistent Storage... Starting Load/Save Random Seed... Starting Apply Kernel Variables... Starting Create System Users... [ OK ] Mounted FUSE Control File System[0[ 12.095534] systemd-journald[206]: Received client request to flush runtime journal. m. [ OK ] Mounted Kernel Configuration File System. [ OK ] Finished Load/Save Random Seed. [ OK ] Finished Apply Kernel Variables. [ OK ] Finished Coldplug All udev Devices. [ OK ] Finished Create System Users. Starting Create Static Device Nodes in /dev... [ OK ] Finished Flush Journal to Persistent Storage. [ 13.645775] systemd-tmpfile (217) used greatest stack depth: 12528 bytes left [ OK ] Finished Create Static Device Nodes in /dev. [ OK ] Reached target Local File Systems (Pre). [ OK ] Reached target Local File Systems. Starting Create Volatile Files and Directories... Starting Rule-based Manage…for Device Events and Files... [ OK ] Started Rule-based Manager for Device Events and Files. Starting Network Service... [ OK ] Finished Create Volatile Files and Directories. Starting Network Time Synchronization... Starting Update UTMP about System Boot/Shutdown... [ OK ] Finished Update UTMP about System Boot/Shutdown. [ OK ] Found device Sunrise Point-LP Serial IO UART Controller. [ OK ] Created slice system-systemd\x2dbacklight.slice. [ OK ] Listening on Load/Save RF …itch Status /dev/rfkill Watch. Starting Load/Save Screen …f backlight:intel_backlight... [ OK ] Finished Load/Save Screen … of backlight:intel_backlight. [ OK ] Started Network Service. Starting Network Name Resolution... [ OK ] Started Network Time Synchronization. [ OK ] Reached target System Initialization. [ OK ] Started Daily Cleanup of Temporary Directories. [ OK ] Reached target System Time Set. [ OK ] Reached target System Time Synchronized. [ OK ] Started Daily apt download activities. [ OK ] Started Daily apt upgrade and clean activities. [ OK ] Started Periodic ext4 Onli…ata Check for All Filesystems. [ OK ] Started Discard unused blocks once a week. [ OK ] Reached target Timers. [ OK ] Listening on D-Bus System Message Bus Socket. [ OK ] Reached target Sockets. [ OK ] Reached target Basic System. [ OK ] Started D-Bus System Message Bus. Starting Remove Stale Onli…t4 Metadata Check Snapshots... Starting User Login Management... [ OK ] Finished Remove Stale Onli…ext4 Metadata Check Snapshots. [ OK ] Started User Login Management. [ OK ] Started Network Name Resolution. [ OK ] Reached target Network. [ OK ] Reached target Host and Network Name Lookups. Starting Permit User Sessions... [ OK ] Finished Permit User Sessions. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttyS0. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Finished Update UTMP about System Runlevel Changes. Debian GNU/Linux 11 debian-bullseye-amd64 ttyS0 debian-bullseye-amd64 login: root (automatic login) Linux debian-bullseye-amd64 5.10.165-cip24 #1 SMP Tue Jan 24 12:25:51 UTC 2023 x86_64 The programs included with the Debian GNU/Linux system are free software; the exact distribution terms for each program are described in the individual files in /usr/share/doc/*/copyright. Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent permitted by applicable law. / # / # export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/8854071/extract-nfsrootfs-h09509pg' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/8854071/extract-nfsrootfs-h09509pg' / # 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-8854071/environment . /lava-8854071/environment / # /lava-8854071/bin/lava-test-runner /lava-8854071/0 /lava-8854071/bin/lava-test-runner /lava-8854071/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-8854071/0/tests/0_timesync-off ++ cat uuid + UUID=8854071_1.5.2.3.1 + set +x + systemctl stop systemd-timesyncd [ 18.051582] systemd-timesyn (247) used greatest stack depth: 12504 bytes left + set +x + export TESTRUN_ID=1_kselftest-lkdtm + TESTRUN_ID=1_kselftest-lkdtm + cd /lava-8854071/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=8854071_1.5.2.3.5 + set +x + cd ./automated/linux/kselftest/ + ./kselftest.sh -c lkdtm -T '' -t kselftest_armhf.tar.gz -s True -u http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.162-cip24-952-gf408044f5bad/x86_64/x86_64_defconfig+x86-chromebook+kselftest/gcc-10/kselftest.tar.xz -L '' -S skipfile-lkft.yaml -b asus-C433TA-AJ0005-rammus -g cip-gitlab -e '' -p /opt/kselftests/mainline/ -n 1 -i 1 INFO: Generating a skipfile based on /lava-8854071/0/tests/1_kselftest-lkdtm/automated/linux/kselftest/skipfile-lkft.yaml INFO: Using the following generated skipfile contents (until EOF): breakpoints:breakpoint_test breakpoints:step_after_suspend_test ftrace:ftracetest net:rtnetlink.sh net:tls netfilter:bridge_brouter.sh netfilter:nft_flowtable.sh netfilter:nft_trans_stress.sh pidfd:pidfd_wait INFO: EOF INFO: install_deps skipped --2023-01-24 12:38:01-- http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.162-cip24-952-gf408044f5bad/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: 3602444 (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%[> ] 216.08K 373KB/s kselftest.tar.xz 22%[===> ] 790.19K 863KB/s kselftest.tar.xz 54%[=========> ] 1.87M 1.54MB/s kselftest.tar.xz 81%[===============> ] 2.82M 1.94MB/s kselftest.tar.xz 100%[===================>] 3.44M 2.10MB/s in 1.6s 2023-01-24 12:38:03 (2.10 MB/s) - 'kselftest.tar.xz' saved [3602444/3602444] skiplist: ======================================== breakpoints:breakpoint_test breakpoints:step_after_suspend_test ftrace:ftracetest net:rtnetlink.sh net:tls netfilter:bridge_brouter.sh netfilter:nft_flowtable.sh netfilter:nft_trans_stress.sh pidfd:pidfd_wait ======================================== lkdtm:PANIC.sh lkdtm:BUG.sh lkdtm:WARNING.sh lkdtm:WARNING_MESSAGE.sh lkdtm:EXCEPTION.sh lkdtm:LOOP.sh lkdtm:EXHAUST_STACK.sh lkdtm:CORRUPT_STACK.sh lkdtm:CORRUPT_STACK_STRONG.sh lkdtm:CORRUPT_LIST_ADD.sh lkdtm:CORRUPT_LIST_DEL.sh lkdtm:STACK_GUARD_PAGE_LEADING.sh lkdtm:STACK_GUARD_PAGE_TRAILING.sh lkdtm:UNSET_SMEP.sh lkdtm:DOUBLE_FAULT.sh lkdtm:CORRUPT_PAC.sh lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh lkdtm:OVERWRITE_ALLOCATION.sh lkdtm:WRITE_AFTER_FREE.sh lkdtm:READ_AFTER_FREE.sh lkdtm:WRITE_BUDDY_AFTER_FREE.sh lkdtm:READ_BUDDY_AFTER_FREE.sh lkdtm:SLAB_FREE_DOUBLE.sh lkdtm:SLAB_FREE_CROSS.sh lkdtm:SLAB_FREE_PAGE.sh lkdtm:SOFTLOCKUP.sh lkdtm:HARDLOCKUP.sh lkdtm:SPINLOCKUP.sh lkdtm:HUNG_TASK.sh lkdtm:EXEC_DATA.sh lkdtm:EXEC_STACK.sh lkdtm:EXEC_KMALLOC.sh lkdtm:EXEC_VMALLOC.sh lkdtm:EXEC_RODATA.sh lkdtm:EXEC_USERSPACE.sh lkdtm:EXEC_NULL.sh lkdtm:ACCESS_USERSPACE.sh lkdtm:ACCESS_NULL.sh lkdtm:WRITE_RO.sh lkdtm:WRITE_RO_AFTER_INIT.sh lkdtm:WRITE_KERN.sh lkdtm:REFCOUNT_INC_OVERFLOW.sh lkdtm:REFCOUNT_ADD_OVERFLOW.sh lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_DEC_ZERO.sh lkdtm:REFCOUNT_DEC_NEGATIVE.sh lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_INC_ZERO.sh lkdtm:REFCOUNT_ADD_ZERO.sh lkdtm:REFCOUNT_INC_SATURATED.sh lkdtm:REFCOUNT_DEC_SATURATED.sh lkdtm:REFCOUNT_ADD_SATURATED.sh lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_TIMING.sh lkdtm:ATOMIC_TIMING.sh lkdtm:USERCOPY_HEAP_SIZE_TO.sh lkdtm:USERCOPY_HEAP_SIZE_FROM.sh lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh lkdtm:USERCOPY_STACK_FRAME_TO.sh lkdtm:USERCOPY_STACK_FRAME_FROM.sh lkdtm:USERCOPY_STACK_BEYOND.sh lkdtm:USERCOPY_KERNEL.sh lkdtm:STACKLEAK_ERASING.sh lkdtm:CFI_FORWARD_PROTO.sh ============== Tests to run =============== lkdtm:PANIC.sh lkdtm:BUG.sh lkdtm:WARNING.sh lkdtm:WARNING_MESSAGE.sh lkdtm:EXCEPTION.sh lkdtm:LOOP.sh lkdtm:EXHAUST_STACK.sh lkdtm:CORRUPT_STACK.sh lkdtm:CORRUPT_STACK_STRONG.sh lkdtm:CORRUPT_LIST_ADD.sh lkdtm:CORRUPT_LIST_DEL.sh lkdtm:STACK_GUARD_PAGE_LEADING.sh lkdtm:STACK_GUARD_PAGE_TRAILING.sh lkdtm:UNSET_SMEP.sh lkdtm:DOUBLE_FAULT.sh lkdtm:CORRUPT_PAC.sh lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh lkdtm:OVERWRITE_ALLOCATION.sh lkdtm:WRITE_AFTER_FREE.sh lkdtm:READ_AFTER_FREE.sh lkdtm:WRITE_BUDDY_AFTER_FREE.sh lkdtm:READ_BUDDY_AFTER_FREE.sh lkdtm:SLAB_FREE_DOUBLE.sh lkdtm:SLAB_FREE_CROSS.sh lkdtm:SLAB_FREE_PAGE.sh lkdtm:SOFTLOCKUP.sh lkdtm:HARDLOCKUP.sh lkdtm:SPINLOCKUP.sh lkdtm:HUNG_TASK.sh lkdtm:EXEC_DATA.sh lkdtm:EXEC_STACK.sh lkdtm:EXEC_KMALLOC.sh lkdtm:EXEC_VMALLOC.sh lkdtm:EXEC_RODATA.sh lkdtm:EXEC_USERSPACE.sh lkdtm:EXEC_NULL.sh lkdtm:ACCESS_USERSPACE.sh lkdtm:ACCESS_NULL.sh lkdtm:WRITE_RO.sh lkdtm:WRITE_RO_AFTER_INIT.sh lkdtm:WRITE_KERN.sh lkdtm:REFCOUNT_INC_OVERFLOW.sh lkdtm:REFCOUNT_ADD_OVERFLOW.sh lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_DEC_ZERO.sh lkdtm:REFCOUNT_DEC_NEGATIVE.sh lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_INC_ZERO.sh lkdtm:REFCOUNT_ADD_ZERO.sh lkdtm:REFCOUNT_INC_SATURATED.sh lkdtm:REFCOUNT_DEC_SATURATED.sh lkdtm:REFCOUNT_ADD_SATURATED.sh lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_TIMING.sh lkdtm:ATOMIC_TIMING.sh lkdtm:USERCOPY_HEAP_SIZE_TO.sh lkdtm:USERCOPY_HEAP_SIZE_FROM.sh lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh lkdtm:USERCOPY_STACK_FRAME_TO.sh lkdtm:USERCOPY_STACK_FRAME_FROM.sh lkdtm:USERCOPY_STACK_BEYOND.sh lkdtm:USERCOPY_KERNEL.sh lkdtm:STACKLEAK_ERASING.sh lkdtm:CFI_FORWARD_PROTO.sh ===========End Tests to run =============== [ 29.677678] 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 [ 29.919591] lkdtm: Performing direct entry BUG [ 29.924697] ------------[ cut here ]------------ [ 29.929897] kernel BUG at drivers/misc/lkdtm/bugs.c:76! [ 29.936136] invalid opcode: 0000 [#1] SMP PTI [ 29.941009] CPU: 0 PID: 651 Comm: cat Tainted: G W 5.10.165-cip24 #1 [ 29.949560] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 29.956366] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 29.960747] Code: 89 ff e8 be 67 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 90 62 92 02 [ 29.981726] RSP: 0018:ffffbbfa01327e60 EFLAGS: 00010286 [ 29.987559] RAX: ffffffffb76e43c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 29.995518] RDX: 0000000000000000 RSI: ffffa1863ac1bf70 RDI: ffffffffb84d0fb0 [ 30.003484] RBP: ffffffffb890fba8 R08: 0000000000000001 R09: 0000000000000001 [ 30.011453] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 30.019421] R13: ffffbbfa01327f10 R14: ffffbbfa01327f10 R15: ffffa185c404f000 [ 30.027383] FS: 00007f272f6dd580(0000) GS:ffffa1863ac00000(0000) knlGS:0000000000000000 [ 30.036420] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 30.042836] CR2: 00007f272f4e6000 CR3: 0000000105dd0003 CR4: 00000000003706f0 [ 30.050803] Call Trace: [ 30.053531] direct_entry.cold+0x2c/0x38 [ 30.057915] full_proxy_write+0x53/0x80 [ 30.062201] vfs_write+0xe7/0x3a0 [ 30.065904] ksys_write+0x68/0xf0 [ 30.069602] do_syscall_64+0x30/0x40 [ 30.073597] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 30.079236] RIP: 0033:0x7f272f5f3833 [ 30.083225] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 30.104203] RSP: 002b:00007ffe04538bd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 30.112649] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f272f5f3833 [ 30.120618] RDX: 0000000000000004 RSI: 00007f272f4e6000 RDI: 0000000000000001 [ 30.128585] RBP: 00007f272f4e6000 R08: 00007f272f4e5010 R09: 0000000000000000 [ 30.136551] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 30.144520] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 30.152492] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 30.178973] ---[ end trace a87a77b7dbef1e93 ]--- [ 30.184150] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 30.188608] Code: 89 ff e8 be 67 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 90 62 92 02 [ 30.209690] RSP: 0018:ffffbbfa01327e60 EFLAGS: 00010286 [ 30.215586] RAX: ffffffffb76e43c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 30.223579] RDX: 0000000000000000 RSI: ffffa1863ac1bf70 RDI: ffffffffb84d0fb0 [ 30.231590] RBP: ffffffffb890fba8 R08: 0000000000000001 R09: 0000000000000001 [ 30.239578] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 30.247582] R13: ffffbbfa01327f10 R14: ffffbbfa01327f10 R15: ffffa185c404f000 [ 30.255586] FS: 00007f272f6dd580(0000) GS:ffffa1863ac00000(0000) knlGS:0000000000000000 [ 30.264650] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 30.271084] CR2: 00007f272f4e6000 CR3: 0000000105dd0003 CR4: 00000000003706f0 # Segmentation fault # [ 29.919591] lkdtm: Performing direct entry BUG # [ 29.924697] ------------[ cut here ]------------ # [ 29.929897] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 29.936136] invalid opcode: 0000 [#1] SMP PTI # [ 29.941009] CPU: 0 PID: 651 Comm: cat Tainted: G W 5.10.165-cip24 #1 # [ 29.949560] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 29.956366] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 29.960747] Code: 89 ff e8 be 67 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 90 62 92 02 # [ 29.981726] RSP: 0018:ffffbbfa01327e60 EFLAGS: 00010286 # [ 29.987559] RAX: ffffffffb76e43c0 [ 30.391452] lkdtm: Performing direct entry WARNING [ 30.397556] ------------[ cut here ]------------ [ 30.402746] WARNING: CPU: 3 PID: 687 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 RBX: 0000000000000001 RCX: 0000000000000000 # [ 29.995518] RD[ 30.412197] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 30.444903] CPU: 3 PID: 687 Comm: cat Tainted: G D W 5.10.165-cip24 #1 [ 30.453458] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 30.460263] RIP: 0010:lkdtm_WARNING+0x13/0x20 [ 30.465127] 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 90 62 92 02 01 75 05 c3 cc cc cc cc <0f> 0b c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 71 62 [ 30.486108] RSP: 0018:ffffbbfa013efe60 EFLAGS: 00010202 [ 30.491941] RAX: ffffffffb76e43d0 RBX: 0000000000000002 RCX: 0000000000000000 [ 30.499911] RDX: 0000000000000000 RSI: ffffa1863ad9bf70 RDI: ffffffffb84d0fc0 [ 30.507893] RBP: ffffffffb88b43a7 R08: 0000000000000000 R09: 0000000000000000 [ 30.515912] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 [ 30.523881] R13: ffffbbfa013eff10 R14: ffffbbfa013eff10 R15: ffffa185c4068000 [ 30.531851] FS: 00007fd47c6be580(0000) GS:ffffa1863ad80000(0000) knlGS:0000000000000000 X: 0000000000000000 RSI: ffffa1863ac1bf70 RDI: ffffffffb84d0fb0 [ 30.540892] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 30.553517] CR2: 00007fd47c4c7000 CR3: 0000000103696002 CR4: 00000000003706e0 [ 30.561486] Call Trace: # [ 30.003484] RBP: ffffffffb890fba8 R08: 0000000000000001 R0[ 30.564219] direct_entry.cold+0x2c/0x38 9: 0000000000000001 # [ 30.011453] R10: 00000000ffffe000 R11:[ 30.574814] full_proxy_write+0x53/0x80 [ 30.585309] vfs_write+0xe7/0x3a0 [ 30.589041] ksys_write+0x68/0xf0 [ 30.592775] do_syscall_64+0x30/0x40 [ 30.596797] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 30.602442] RIP: 0033:0x7fd47c5d4833 [ 30.606438] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 30.627444] RSP: 002b:00007ffc4ed52be8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 3fffffffffffffff R12: 0000000000000004 # [ 30.019421] R13: f[ 30.635918] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007fd47c5d4833 [ 30.650096] RDX: 0000000000000008 RSI: 00007fd47c4c7000 RDI: 0000000000000001 [ 30.658067] RBP: 00007fd47c4c7000 R08: 00007fd47c4c6010 R09: 0000000000000000 [ 30.666038] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 30.674010] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 30.681987] irq event stamp: 0 [ 30.685426] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 30.692429] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 30.701597] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 30.710735] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 30.717736] ---[ end trace a87a77b7dbef1e94 ]--- fffbbfa01327f10 R14: ffffbbfa01327f10 R15: ffffa185c404f000 # [ 30.027383] FS: 00007f272f6dd580(0000) GS:ffffa1863ac00000(0000) knlGS:0000000000000000 # [ 30.036420] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 30.042836] CR2: 00007f272f4e6000 CR3: 0000000105dd0003 CR4: 00000000003706f0 # [ 30.050803] Call Trace: # [ 30.053531] direct_entry.cold+0x2c/0x38 # [ 30.057915] full_proxy_write+0x53/0x80 # [ 30.062201] vfs_write+0xe7/0x3a0 # [ 30.065904] ksys_write+0x68/0xf0 # [ 30.069602] do_syscall_64+0x30/0x40 # [ 30.073597] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 30.079236] RIP: 0033:0x7f272f5f3833 # [ 30.083225] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 0[ 30.795869] lkdtm: Performing direct entry WARNING_MESSAGE 0 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 [ 30.803692] ------------[ cut here ]------------ c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 30.104203] RSP:[ 30.815048] Warning message trigger count: 2 002b:00007ffe04538bd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000[ 30.826056] WARNING: CPU: 0 PID: 722 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 01 # [ 30.112649] RAX: ffffffffffffffda RBX: 0000000000000004[ 30.842458] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify RCX: 00007f272f5f3833 # [ 30.120618] RDX: 0000000000000004 R[ 30.875090] CPU: 0 PID: 722 Comm: cat Tainted: G D W 5.10.165-cip24 #1 SI: 00007f272f4e6000 RDI: 0000000000000001 # [ 30.128585] RBP[ 30.889892] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 : 00007f272f4e6000 R08: 00007f272f4e5010 R09: 0000000000000000 [ 30.902890] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 30.136551] R10: fffffffffffffbc5 R11: 0000000000000246 R12[ 30.914774] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 71 62 92 02 48 c7 c7 08 49 8b b8 8d 70 01 89 35 61 62 92 02 e8 f7 63 63 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 : 0000000000000001 # [ 30.144520] R13: 0000000000000001 R14: [ 30.941979] RSP: 0018:ffffbbfa0147fe60 EFLAGS: 00010286 0000000000020000 R15: 0000000000020000 # [ 30.152492] Modules[ 30.954013] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core [ 30.968151] RDX: ffffa1863ac2c660 RSI: ffffa1863ac1bf70 RDI: ffffa1863ac1bf70 industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sen[ 30.982353] RBP: ffffffffb88b43af R08: 0000000000000000 R09: 0000000000000000 sorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_ch[ 30.996534] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 ardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ [ 31.010723] R13: ffffbbfa0147ff10 R14: ffffbbfa0147ff10 R15: ffffa185c4003000 30.178973] ---[ end trace a87a77b7dbef1e93 ]--- # [ 30.184150[ 31.024898] FS: 00007f94f354f580(0000) GS:ffffa1863ac00000(0000) knlGS:0000000000000000 ] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 30.188608] Code: 89 ff e8 [ 31.040161] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 be 67 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 c[ 31.052780] CR2: 00007f94f3358000 CR3: 000000010369e006 CR4: 00000000003706f0 c cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 [ 31.066991] Call Trace: 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 90 62 92 02 # [ [ 31.075929] direct_entry.cold+0x2c/0x38 30.209690] RSP: 0018:ffffbbfa01327e60 EFLAGS: 00010286 # [ 30[ 31.086549] full_proxy_write+0x53/0x80 .215586] RAX: ffffffffb76e43c0 RBX: 0000000000000001 RCX: 000000[ 31.097025] vfs_write+0xe7/0x3a0 0000000000 # [ 30.223579] RDX: 0000000000000000 RSI: ffffa186[ 31.106965] ksys_write+0x68/0xf0 3ac1bf70 RDI: ffffffffb84d0fb0 # [ 30.231590] RBP: ffffffffb8[ 31.116894] do_syscall_64+0x30/0x40 90fba8 R08: 0000000000000001 R09: 0000000000000001 # [ 30.239[ 31.127107] entry_SYSCALL_64_after_hwframe+0x61/0xc6 578] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000[ 31.138955] RIP: 0033:0x7f94f3465833 000004 # [ 30.247582] R13: ffffbbfa01327f10 R14: ffffbbfa0132[ 31.149196] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 7f10 R15: ffffa185c404f000 # [ 30.255586] FS: 00007f272f6dd5[ 31.176369] RSP: 002b:00007fffbd2bb2a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 80(0000) GS:ffffa1863ac00000(0000) knlGS:0000000000000000 # [ [ 31.191053] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f94f3465833 30.264650] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 #[ 31.205229] RDX: 0000000000000010 RSI: 00007f94f3358000 RDI: 0000000000000001 [ 30.271084] CR2: 00007f272f4e6000 CR3: 0000000105dd0003 CR4:[ 31.219430] RBP: 00007f94f3358000 R08: 00007f94f3357010 R09: 0000000000000000 00000000003706f0 # BUG: saw 'kernel BUG at': ok ok 2 selftest[ 31.233602] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 s: lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh # [ 30.39145[ 31.247838] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 2] lkdtm: Performing direct entry WARNING # [ 30.397556] ----[ 31.261990] irq event stamp: 0 --------[ cut here ]------------ # [ 30.402746] WARNING: CPU:[ 31.271619] hardirqs last enabled at (0): [<0000000000000000>] 0x0 3 PID: 687 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0[ 31.284848] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 x20 # [ 30.412197] Modules linked in: fuse ip_tables cros_ec_[ 31.300181] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo[ 31.315533] softirqs last disabled at (0): [<0000000000000000>] 0x0 _buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sys[ 31.328749] ---[ end trace a87a77b7dbef1e95 ]--- fs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 30.444903] CPU: 3 PID: 687 Comm: cat Tainted: G D W 5.10.165-cip24 #1 # [ 30.453458] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 30.460263] RIP: 0010:lkdtm_WARNING+0x13/0x20 # [ 30.465127] 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 90 62 92 02 01 75 05 c3 cc cc cc cc <0f> 0b c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 71 62 # [ 30.486108] RSP: 0018:ffffbbfa013efe60 EFLAGS: 00010202 # [ 30.491941] RAX: ffffffffb76e43d0 RBX: 0000000000000002 RCX: 0000000000000000 # [ 30.499911] RDX: 0000000000000000 RSI: ffffa1863ad9bf70 RDI: ffffffffb84d0fc0 # [ 30.507893] RB[ 31.411547] lkdtm: Performing direct entry EXCEPTION [ 31.420241] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 31.428022] #PF: supervisor write access in kernel mode [ 31.433854] #PF: error_code(0x0002) - not-present page [ 31.439589] PGD 0 P4D 0 [ 31.442411] Oops: 0002 [#2] SMP PTI [ 31.446301] CPU: 2 PID: 754 Comm: cat Tainted: G D W 5.10.165-cip24 #1 [ 31.454852] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 31.461658] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 [ 31.466618] Code: 48 c7 c7 08 49 8b b8 8d 70 01 89 35 61 62 92 02 e8 f7 63 63 00 0f 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 04 25 00 00 00 00 00 00 00 00 c3 cc cc cc cc 66 66 2e 0f 1f 84 [ 31.487594] RSP: 0018:ffffbbfa014ffe60 EFLAGS: 00010282 [ 31.493427] RAX: ffffffffb76e4420 RBX: 0000000000000004 RCX: 0000000000000000 [ 31.501394] RDX: 0000000000000000 RSI: ffffa1863ad1bf70 RDI: ffffffffb84d0fe0 [ 31.509360] RBP: ffffffffb87e9247 R08: 0000000000000000 R09: 0000000000000000 [ 31.517329] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 31.525296] R13: ffffbbfa014fff10 R14: ffffbbfa014fff10 R15: ffffa185c3951000 [ 31.533264] FS: 00007f5606727580(0000) GS:ffffa1863ad00000(0000) knlGS:0000000000000000 [ 31.542301] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 31.548715] CR2: 0000000000000000 CR3: 0000000104046005 CR4: 00000000003706e0 [ 31.556682] Call Trace: [ 31.559410] direct_entry.cold+0x2c/0x38 [ 31.563790] full_proxy_write+0x53/0x80 P: ffffffffb88b43a7 R08: 0000000000000000 R09: 0000000000000000 [ 31.568072] vfs_write+0xe7/0x3a0 [ 31.577978] ksys_write+0x68/0xf0 [ 31.581675] do_syscall_64+0x30/0x40 [ 31.585664] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 31.591301] RIP: 0033:0x7f560663d833 [ 31.595287] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 31.616263] RSP: 002b:00007fff9e4928f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 31.624716] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f560663d833 [ 31.632684] RDX: 000000000000000a RSI: 00007f5606530000 RDI: 0000000000000001 [ 31.640651] RBP: 00007f5606530000 R08: 00007f560652f010 R09: 0000000000000000 [ 31.648617] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 31.656583] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 31.664554] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 30.515912] R10: 00000000ffffe000 R11: 3fffffffffffffff R1[ 31.691013] CR2: 0000000000000000 [ 31.700921] ---[ end trace a87a77b7dbef1e96 ]--- 2: 0000000000000008 # [ 30.523881] R13: ffffbbfa013eff10 R14:[ 31.706078] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 31.716665] Code: 89 ff e8 be 67 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 90 62 92 02 [ 31.737646] RSP: 0018:ffffbbfa01327e60 EFLAGS: 00010286 [ 31.743470] RAX: ffffffffb76e43c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 31.751437] RDX: 0000000000000000 RSI: ffffa1863ac1bf70 RDI: ffffffffb84d0fb0 [ 31.759404] RBP: ffffffffb890fba8 R08: 0000000000000001 R09: 0000000000000001 [ 31.767371] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 31.775339] R13: ffffbbfa01327f10 R14: ffffbbfa01327f10 R15: ffffa185c404f000 [ 31.783306] FS: 00007f5606727580(0000) GS:ffffa1863ad00000(0000) knlGS:0000000000000000 [ 31.792342] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 31.798755] CR2: 0000000000000000 CR3: 0000000104046005 CR4: 00000000003706e0 [ 31.806723] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 31.816634] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 754, name: cat [ 31.824980] INFO: lockdep is turned off. [ 31.829355] irq event stamp: 0 [ 31.832759] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 31.839757] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 31.848899] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 31.858033] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 31.865029] CPU: 2 PID: 754 Comm: cat Tainted: G D W 5.10.165-cip24 #1 [ 31.873580] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 31.880382] Call Trace: [ 31.883110] dump_stack+0x77/0x9b [ 31.886807] ___might_sleep.cold+0xa6/0xb6 [ 31.891377] exit_signals+0x1c/0x2e0 [ 31.895364] do_exit+0xc2/0xaf0 [ 31.898867] ? ksys_write+0x68/0xf0 [ 31.902760] rewind_stack_do_exit+0x17/0x20 [ 31.907426] RIP: 0033:0x7f560663d833 [ 31.911413] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 31.932391] RSP: 002b:00007fff9e4928f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 31.940848] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f560663d833 [ 31.948818] RDX: 000000000000000a RSI: 00007f5606530000 RDI: 0000000000000001 [ 31.956785] RBP: 00007f5606530000 R08: 00007f560652f010 R09: 0000000000000000 [ 31.964754] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 31.972720] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ffffbbfa013eff10 R15: ffffa185c4068000 # [ 30.531851] FS: 00007fd47c6be580(0000) GS:ffffa1863ad80000(0000) knlGS:0000000000000000 # [ 30.540892] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 30.553517] CR2: 00007fd47c4c7000 CR3: 0000000103696002 CR4: 00000000003706e0 # [ 30.561486] Call Trace: # [ 30.564219] direct_entry.cold+0x2c/0x38 # [ 30.574814] full_proxy_write+0x53/0x80 # [ 30.585309] vfs_write+0xe7/0x3a0 # [ 30.589041] ksys_write+0x68/0xf0 # [ 30.592775] do_syscall_64+0x30/0x40 # [ 30.596797] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 30.602442] RIP: 0033:0x7fd47c5d4833 # [ 30.606438] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 30.627444] RSP: 002b:00007ffc4ed52be8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 30.635918] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007fd47c5d4833 # [ 30.650096] RDX: 0000000000000008 RSI: 00007fd47c4c7000 RDI: 0000000000000001 # [ 30.658067] RBP: 00007fd47c4c7000 R08: 00007fd47c4c6010 R09: 0000000000000000 # [ 30.666038] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 30.674010] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 30.681987] irq event stamp: 0 # [ 30.685426] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 30.692429] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 30.701597] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 30.710735] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 30.717736] ---[ end trace a87a77b7dbef1e94 ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ 30.795869] lkdtm: Performing direct entry WARNING_MESSAGE # [ 30.803692] ------------[ cut here ]------------ # [ 30.815048] Warning message trigger count: 2 # [ 30.826056] WARNING: CPU: 0 PID: 722 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 30.842458] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 30.875090] CPU: 0 PID: 722 Comm: cat Tainted: G D W 5.10.165-cip24 #1 # [ 30.889892] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 30.902890] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 30.914[ 32.236578] lkdtm: Performing direct entry CORRUPT_LIST_ADD 774] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 71[ 32.248044] lkdtm: attempting good list addition 62 92 02 48 c7 c7 08 49 8b b8 8d 70 01 89 35 61 62 92 02 e8 f7 [ 32.259418] lkdtm: attempting corrupted list addition 63 63 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f[ 32.271269] lkdtm: list_add() corruption not detected! 44 00 00 c7 # [ 30.941979] RSP: 0018:ffffbbfa0147fe60 EFLAGS: 00010286 # [ 30.954013] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 # [ 30.968151] RDX: ffffa1863ac2c660 RSI: ffffa1863ac1bf70 RDI: ffffa1863ac1bf70 # [ 30.982353] RBP: ffffffffb88b43af R08: 0000000000000000 R09: 0000000000000000 # [ 30.996534] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 # [ 31.010723] R13: ffffbbfa0147ff10 R14: ffffbbfa0147ff10 R15: ffffa185c4003000 # [ 31.024898] FS: 00007f94f354f580(0000) GS:ffffa1863ac00000(0000) knlGS:0000000000000000 # [ 31.040161] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 31.052780] CR2: 00007f94f3358000 CR3: 000000010369e006 CR4: 00000000003706f0 # [ 31.066991] Call Trace: # [ 31.075929] direct_entry.cold+0x2c/0x38 # [ 31.086549] full_proxy_write+0x53/0x80 # [ 31.097025] vfs_write+0xe7/0x3a0 # [ 31.106965] ksys_write+0x68/0xf0 # [ 31.116894] do_syscall_64+0x30/0x40 # [ 31.127107] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 31.138955] RIP: 0033:0x7f94f3465833 # [ 31.149196] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c[ 32.390951] lkdtm: Performing direct entry CORRUPT_LIST_DEL 7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75[ 32.401344] lkdtm: attempting good list removal 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 0[ 32.412616] lkdtm: attempting corrupted list removal [ 32.424369] lkdtm: list_del() corruption not detected! 0 48 83 ec 28 48 89 54 24 18 # [ 31.176369] RSP: 002b:00007fffbd2bb2a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 31.191053] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f94f3465833 # [ 31.205229] RDX: 0000000000000010 RSI: 00007f94f3358000 RDI: 0000000000000001 # [ 31.219430] RBP: 00007f94f3358000 R08: 00007f94f3357010 R09: 0000000000000000 # [ 31.233602] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 31.247838] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 31.261990] irq event stamp: 0 # [ 31.271619] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 31.284848] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 31.300181] softi[ 32.499000] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING [ 32.511690] lkdtm: attempting bad read from page below current stack [ 32.518808] BUG: stack guard page was hit at 0000000063a85093 (stack is 000000008631b7fa..00000000759e5d15) [ 32.529697] kernel stack overflow (page fault): 0000 [#3] SMP PTI rqs last enabled at (0): [] copy_process+0x66[ 32.536506] CPU: 3 PID: 979 Comm: cat Tainted: G D W 5.10.165-cip24 #1 [ 32.551267] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 32.558072] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a [ 32.564584] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 a8 4c 8b b8 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 1e 9d fd ff 48 c7 c7 e8 4c 8b b8 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 04 9d fd ff 0f 1f 44 [ 32.585554] RSP: 0018:ffffbbfa01837e50 EFLAGS: 00010246 [ 32.591376] RAX: 0000000000000038 RBX: ffffbbfa01834000 RCX: 0000000000000000 [ 32.599344] RDX: 0000000000000000 RSI: ffffa1863ad9bf70 RDI: ffffffffb88b4ce8 [ 32.607314] RBP: ffffffffb88b4412 R08: 0000000000000000 R09: 0000000000000000 [ 32.615281] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 [ 32.623250] R13: ffffbbfa01837f10 R14: ffffbbfa01837f10 R15: ffffa185c5dfd000 [ 32.631211] FS: 00007fb978702580(0000) GS:ffffa1863ad80000(0000) knlGS:0000000000000000 [ 32.640239] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 32.646645] CR2: ffffbbfa01833fff CR3: 0000000102d5e002 CR4: 00000000003706e0 [ 32.654613] Call Trace: [ 32.657340] ? lkdtm_CORRUPT_LIST_DEL+0xe0/0xe0 [ 32.662397] direct_entry.cold+0x2c/0x38 [ 32.666775] full_proxy_write+0x53/0x80 [ 32.671057] vfs_write+0xe7/0x3a0 [ 32.674754] ksys_write+0x68/0xf0 [ 32.678453] do_syscall_64+0x30/0x40 [ 32.682442] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 32.688083] RIP: 0033:0x7fb978618833 [ 32.692061] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 32.713042] RSP: 002b:00007ffc41323a38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 32.721495] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fb978618833 [ 32.729462] RDX: 0000000000000019 RSI: 00007fb97850b000 RDI: 0000000000000001 [ 32.737429] RBP: 00007fb97850b000 R08: 00007fb97850a010 R09: 0000000000000000 [ 32.745399] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 32.753368] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 32.761343] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 4/0x1cb0 # [ 31.315533] softirqs last disabled at (0): [<0000[ 32.787803] ---[ end trace a87a77b7dbef1e97 ]--- [ 32.799166] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 32.803544] Code: 89 ff e8 be 67 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 90 62 92 02 [ 32.824516] RSP: 0018:ffffbbfa01327e60 EFLAGS: 00010286 [ 32.830348] RAX: ffffffffb76e43c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 32.838317] RDX: 0000000000000000 RSI: ffffa1863ac1bf70 RDI: ffffffffb84d0fb0 [ 32.846286] RBP: ffffffffb890fba8 R08: 0000000000000001 R09: 0000000000000001 [ 32.854255] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 32.862223] R13: ffffbbfa01327f10 R14: ffffbbfa01327f10 R15: ffffa185c404f000 [ 32.870193] FS: 00007fb978702580(0000) GS:ffffa1863ad80000(0000) knlGS:0000000000000000 [ 32.879230] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 32.885644] CR2: ffffbbfa01833fff CR3: 0000000102d5e002 CR4: 00000000003706e0 [ 32.893614] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 32.903514] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 979, name: cat [ 32.911869] INFO: lockdep is turned off. [ 32.916244] irq event stamp: 0 [ 32.919649] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 32.926645] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 32.935779] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 32.944912] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 32.951912] CPU: 3 PID: 979 Comm: cat Tainted: G D W 5.10.165-cip24 #1 [ 32.960462] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 32.967265] Call Trace: [ 32.969992] dump_stack+0x77/0x9b [ 32.973689] ___might_sleep.cold+0xa6/0xb6 [ 32.978262] exit_signals+0x1c/0x2e0 [ 32.982249] do_exit+0xc2/0xaf0 [ 32.985752] ? ksys_write+0x68/0xf0 [ 32.989635] rewind_stack_do_exit+0x17/0x20 [ 32.994301] RIP: 0033:0x7fb978618833 [ 32.998287] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 33.019271] RSP: 002b:00007ffc41323a38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 33.027716] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fb978618833 [ 33.035684] RDX: 0000000000000019 RSI: 00007fb97850b000 RDI: 0000000000000001 [ 33.043651] RBP: 00007fb97850b000 R08: 00007fb97850a010 R09: 0000000000000000 [ 33.051620] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 33.059587] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 000000000000>] 0x0 # [ 31.328749] ---[ end trace a87a77b7dbef1e95 ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCEPTION.sh # Killed # [ 31.411547] lkdtm: Performing direct entry EXCEPTION # [ 31.420241] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 31.428022] #PF: supervisor write access in kernel mode # [ 31.433854] #PF: error_code(0x0002) - not-present page # [ 31.439589] PGD 0 P4D 0 # [ 31.442411] Oops: 0002 [#2] SMP PTI # [ 31.446301] CPU: 2 PID: 754 Comm: cat Tainted: G D W 5.10.165-cip24 #1 # [ 31.454852] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 31.461658] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 # [ 31.466618] Code: 48 c7 c7 08 49 8b b8 8d 70 01 89 35 61 62 92 02 e8 f7 63 63 00 0f 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f[ 33.153780] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING [ 33.161733] lkdtm: attempting bad read from page above current stack 1f 44 00 00 04 25 00 00 00 00 00 00 00 00 c3 cc cc cc cc 6[ 33.168847] BUG: stack guard page was hit at 00000000cdb19e86 (stack is 000000000bd354bf..00000000292c2696) [ 33.185931] kernel stack overflow (page fault): 0000 [#4] SMP PTI 6 66 2e 0f 1f 84 # [ 31.487594] RSP: 0018:ffffbbfa014ffe60 EF[ 33.192738] CPU: 2 PID: 1012 Comm: cat Tainted: G D W 5.10.165-cip24 #1 [ 33.207599] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 LA[GS: 00010282 # [ 31.493427] RAX: ffffffffb76e4420 RBX: 0000 33.214406] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d [ 33.227232] Code: 9d fd ff 0f 1f 44 00 00 53 48 c7 c7 20 4d 8b b8 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 e4 9c fd ff 48 c7 c7 60 4d 8b b8 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 c7 9c fd ff [ 33.248204] RSP: 0018:ffffbbfa018b7e50 EFLAGS: 00010246 [ 33.254038] RAX: 0000000000000038 RBX: ffffbbfa018b4000 RCX: 0000000000000000 [ 33.262005] RDX: 0000000000000000 RSI: ffffa1863ad1bf70 RDI: ffffffffb88b4d60 [ 33.269975] RBP: ffffffffb88b442b R08: 0000000000000000 R09: 0000000000000000 [ 33.277941] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a [ 33.285910] R13: ffffbbfa018b7f10 R14: ffffbbfa018b7f10 R15: ffffa185c2d41000 [ 33.293880] FS: 00007f68c2a4d580(0000) GS:ffffa1863ad00000(0000) knlGS:0000000000000000 [ 33.302905] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 33.309319] CR2: ffffbbfa018b8000 CR3: 00000001026d0003 CR4: 00000000003706e0 [ 33.317287] Call Trace: [ 33.320015] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a [ 33.325849] direct_entry.cold+0x2c/0x38 [ 33.330229] full_proxy_write+0x53/0x80 [ 33.334510] vfs_write+0xe7/0x3a0 [ 33.338206] ksys_write+0x68/0xf0 [ 33.341900] do_syscall_64+0x30/0x40 [ 33.345903] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 33.351535] RIP: 0033:0x7f68c2963833 [ 33.355516] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 33.376488] RSP: 002b:00007ffdc452de98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 33.384934] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f68c2963833 [ 33.392912] RDX: 000000000000001a RSI: 00007f68c2856000 RDI: 0000000000000001 [ 33.400872] RBP: 00007f68c2856000 R08: 00007f68c2855010 R09: 0000000000000000 [ 33.408849] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 33.416819] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 33.424791] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 000000000004 RCX: 0000000000000000 # [ 31.501394] RDX: 000000[ 33.451256] ---[ end trace a87a77b7dbef1e98 ]--- [ 33.462620] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 33.466996] Code: 89 ff e8 be 67 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 90 62 92 02 [ 33.487976] RSP: 0018:ffffbbfa01327e60 EFLAGS: 00010286 [ 33.493809] RAX: ffffffffb76e43c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 33.501776] RDX: 0000000000000000 RSI: ffffa1863ac1bf70 RDI: ffffffffb84d0fb0 [ 33.509743] RBP: ffffffffb890fba8 R08: 0000000000000001 R09: 0000000000000001 [ 33.517710] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 33.525678] R13: ffffbbfa01327f10 R14: ffffbbfa01327f10 R15: ffffa185c404f000 [ 33.533646] FS: 00007f68c2a4d580(0000) GS:ffffa1863ad00000(0000) knlGS:0000000000000000 [ 33.542673] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 33.549087] CR2: ffffbbfa018b8000 CR3: 00000001026d0003 CR4: 00000000003706e0 0000000000 RSI: ffffa1863ad1bf70 RDI: ffffffffb84d0fe0 # [ 31.509360] RBP: ffffffffb87e9247 R08: 0000000000000000 R09: 0000000000000000 # [ 31.517329] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 31.525296] R13: ffffbbfa014fff10 R14: ffffbbfa014fff10 R15: ffffa185c3951000 # [ 31.533264] FS: 00007f5606727580(0000) GS:ffffa1863ad00000(0000) knlGS:0000000000000000 # [ 31.542301] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 31.548715] CR2: 0000000000000000 CR3: 0000000104046005 CR4: 00000000003706e0 # [ 31.556682] Call Trace: # [ 31.559410] direct_entry.cold+0x2c/0x38 # [ 31.563790] full_proxy_write+0x53/0x80 # [ 31.568072] vfs_write+0xe7/0x3a0 # [ 31.577978] ksys_write+0x68/0xf0 # [ 31.581675] do_syscall_64+0x30/0x40 # [ 31.585664] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 31.591301] RIP: 0033:0x7f560663d833 # [ 31.595287] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c[ 33.655690] lkdtm: Performing direct entry UNSET_SMEP [ 33.662221] lkdtm: trying to clear SMEP normally [ 33.667409] ------------[ cut here ]------------ [ 33.672593] pinned CR4 bits changed: 0x100000!? [ 33.677675] WARNING: CPU: 2 PID: 1048 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60 [ 33.687892] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 33.714334] CPU: 2 PID: 1048 Comm: cat Tainted: G D W 5.10.165-cip24 #1 [ 33.723009] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 33.729818] RIP: 0010:native_write_cr4+0x45/0x60 [ 33.734975] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d 56 93 e3 01 00 75 f2 48 c7 c7 60 32 7f b8 c6 05 46 93 e3 01 01 e8 72 5b e5 00 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 [ 33.755988] RSP: 0018:ffffbbfa0193fe48 EFLAGS: 00010286 [ 33.761844] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 0000000000000000 0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f [ 33.769827] RDX: ffffa1863ad2c660 RSI: ffffa1863ad1bf70 RDI: ffffa1863ad1bf70 [ 33.784012] RBP: ffffffffb88b4445 R08: 0000000000000000 R09: 0000000000000000 [ 33.792013] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b [ 33.799986] R13: ffffbbfa0193ff10 R14: ffffbbfa0193ff10 R15: ffffa185c40af000 [ 33.807959] FS: 00007f2d5b559580(0000) GS:ffffa1863ad00000(0000) knlGS:0000000000000000 40 00 48 83 ec 28 48 89 54 24 18 # [ 31.616263] RSP: 002b:000[ 33.817000] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 33.829630] CR2: 00007f2d5b362000 CR3: 0000000104116001 CR4: 00000000003706e0 07fff9e4928f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ [ 33.837603] Call Trace: 31.624716] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 000[ 33.846547] lkdtm_UNSET_SMEP.cold+0x1d/0x103 [ 33.857643] direct_entry.cold+0x2c/0x38 07f560663d833 # [ 31.632684] RDX: 000000000000000a RSI: 00007[ 33.862033] full_proxy_write+0x53/0x80 [ 33.872524] vfs_write+0xe7/0x3a0 [ 33.876247] ksys_write+0x68/0xf0 [ 33.879948] do_syscall_64+0x30/0x40 [ 33.883940] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 33.889581] RIP: 0033:0x7f2d5b46f833 [ 33.893573] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 33.914580] RSP: 002b:00007ffe0d35f6b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 f5606530000 RDI: 0000000000000001 # [ 31.640651] RBP: 00007f5[ 33.923052] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f2d5b46f833 [ 33.937234] RDX: 000000000000000b RSI: 00007f2d5b362000 RDI: 0000000000000001 606530000 R08: 00007f560652f010 R09: 0000000000000000 # [ 31.[ 33.945207] RBP: 00007f2d5b362000 R08: 00007f2d5b361010 R09: 0000000000000000 [ 33.959391] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 648617] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000[ 33.967364] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 000000001 # [ 31.656583] R13: 0000000000000001 R14: 000000000[ 33.981555] irq event stamp: 0 0020000 R15: 0000000000020000 # [ 31.664554] Modules linked i[ 33.991175] hardirqs last enabled at (0): [<0000000000000000>] 0x0 n: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industria[ 34.004397] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 34.019752] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 lio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cr[ 34.028892] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 34.042106] ---[ end trace a87a77b7dbef1e99 ]--- os_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86[ 34.047264] lkdtm: ok: SMEP did not get cleared [ 34.058536] lkdtm: trying to clear SMEP with call gadget _pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 31.691013[ 34.064470] lkdtm: ok: SMEP removal was reverted ] CR2: 0000000000000000 # [ 31.700921] ---[ end trace a87a77b7dbef1e96 ]--- # [ 31.706078] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 31.716665] Code: 89 ff e8 be 67 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 90 62 92 02 # [ 31.737646] RSP: 0018:ffffbbfa01327e60 EFLAGS: 00010286 # [ 31.743470] RAX: ffffffffb76e43c0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 31.751437] RDX: 0000000000000000 RSI: ffffa1863ac1bf70 RDI: ffffffffb84d0fb0 # [ 31.759404] RBP: ffffffffb890fba8 R08: 0000000000000001 R09: 0000000000000001 # [ 31.767371] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 31.775339] R13: ffffbbfa01327f10 R14: ffffbbfa01327f10 R15: ffffa185c404f000 # [ [ 34.154588] lkdtm: Performing direct entry DOUBLE_FAULT [ 34.162481] lkdtm: XFAIL: this test is ia32-only 31.783306] FS: 00007f5606727580(0000) GS:ffffa1863ad00000(0000) knlGS:0000000000000000 # [ 31.792342] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 31.798755] CR2: 0000000000000000 CR3: 0000000104046005 CR4: 00000000003706e0 # [ 31.806723] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 31.816634] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 754, name: cat # [ 31.824980] INFO: lockdep is turned off. # [ 31.829355] irq event stamp: 0 # [ 31.832759] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 31.839757] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 31.848899] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 31.858033] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 31.865029] CPU: 2 PID: 754 Comm: cat Tainted: G D W 5.10.165-cip24 #1 # [ 31.873580] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 31.880382] Call Trace: # [ 31.883110] dump_stack+0x77/0x9b # [ 31.886807] ___might_sleep.cold+0xa6/0xb6 # [ 31.891377] exit_signals+0x1c/0x2e0 # [ 31.895364] do_exit+0xc2/0xaf0 # [ 31.898867] ? ksys_write+0x68/0xf0 # [ 31.902760] rewind_stack_do_exit+0x17/0x20 # [ 31.907426] RIP: 0033:0x7f560663d833 # [ 31.911413] Code: 8b 15 61 26 0e 00 f7 d8 64 89 [ 34.300734] lkdtm: Performing direct entry CORRUPT_PAC 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 8[ 34.310173] lkdtm: XFAIL: this test is arm64-only 5 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 31.932391] RSP: 002b:00007fff9e4928f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 31.940848] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f560663d833 # [ 31.948818] RDX: 000000000000000a RSI: 00007f5606530000 RDI: 0000000000000001 # [ 31.956785] RBP: 00007f5606530000 R08: 00007f560652f010 R09: 0000000000000000 # [ 31.964754] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 31.972720] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXCEPTION: saw 'call trace:': ok ok 5 selftests: lkdtm: EXCEPTION.sh # selftests: lkdtm: LOOP.sh # Skipping LOOP: Hangs the system ok 6 selftests: lkdtm[ 34.393942] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE [ 34.403417] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS : 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 # [ 32.236578] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 32.248044] lkdtm: attempting good list addition # [ 32.259418] lkdtm: attempting corrupted list addition # [ 32.271269] 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 # [ 32.390951] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 32.401344] lkdtm: attempting good list removal # [ 32.412616] lkdtm: attempting corrupted list removal # [ 32.424369] 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 # [ 32.499000] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEA[ 34.544519] lkdtm: Performing direct entry READ_AFTER_FREE [ 34.553942] lkdtm: Value in memory before free: 12345678 DING # [ 32.511690] lkdtm: attempting bad read from page belo[ 34.559916] lkdtm: Attempting bad read from freed memory [ 34.572064] lkdtm: Memory was not poisoned w current stack # [ 32.518808] BUG: stack guard page was hit at 0000000063a85093 (stack is 000000008631b7fa..00000000759e5d15) # [ 32.529697] kernel stack overflow (page fault): 0000 [#3] SMP PTI # [ 32.536506] CPU: 3 PID: 979 Comm: cat Tainted: G D W 5.10.165-cip24 #1 # [ 32.551267] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 32.558072] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a # [ 32.564584] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 a8 4c 8b b8 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 1e 9d fd ff 48 c7 c7 e8 4c 8b b8 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 04 9d fd ff 0f 1f 44 # [ 32.585554] RSP: 0018:ffffbbfa01837e50 EFLAGS: 00010246 # [ 32.591376] RAX: 0000000000000038 RBX: ffffbbfa01834000 RCX: 0000000000000000 # [ 32.599344] RDX: 0000000000000000 RSI: ffffa1863ad9bf70 RDI: ffffffffb88b4ce8 # [ 32.607314] RBP: ffffffffb88b4412 R08: 0000000000000000 R09: 0000000000000000 # [ 32.615281] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 # [ 32.623250] R13: ffffbbfa01837f10 R14: ffffbbfa01837f10 R15: ffffa185c5dfd000 # [ 32.631211] FS: 00007fb978702580(0000) GS:ffffa1863ad80000(0000) knlGS:00000[ 34.692268] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE [ 34.701498] lkdtm: Value in memory before free: 12345678 [ 34.707440] lkdtm: Attempting to read from freed memory [ 34.713288] lkdtm: Buddy page was not poisoned 00000000000 # [ 32.640239] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 32.646645] CR2: ffffbbfa01833fff CR3: 0000000102d5e002 CR4: 00000000003706e0 # [ 32.654613] Call Trace: # [ 32.657340] ? lkdtm_CORRUPT_LIST_DEL+0xe0/0xe0 # [ 32.662397] direct_entry.cold+0x2c/0x38 # [ 32.666775] full_proxy_write+0x53/0x80 # [ 32.671057] vfs_write+0xe7/0x3a0 # [ 32.674754] ksys_write+0x68/0xf0 # [ 32.678453] do_syscall_64+0x30/0x40 # [ 32.682442] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 32.688083] RIP: 0033:0x7fb978618833 # [ 32.692061] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 32.713042] RSP: 002b:00007ffc41323a38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 32.721495] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fb978618833 # [ 32.729462] RDX: 0000000000000019 RSI: 00007fb97850b000 RDI: 0000000000000001 # [ 32.737429] RBP: 00007fb97850b000 R08: 00007fb97850a010 R09: 0000000000000000 # [ 32.745399] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 32.753368] R13: 0000000000000001 R14: 0000000000020000 R15: 000[ 34.839360] lkdtm: Performing direct entry SLAB_FREE_DOUBLE [ 34.848836] lkdtm: Attempting double slab free ... 0000000020000 # [ 32.761343] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 32.787803] ---[ end trace a87a77b7dbef1e97 ]--- # [ 32.799166] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 32.803544] Code: 89 ff e8 be 67 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 90 62 92 02 # [ 32.824516] RSP: 0018:ffffbbfa01327e60 EFLAGS: 00010286 # [ 32.830348] RAX: ffffffffb76e43c0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 32.838317] RDX: 0000000000000000 RSI: ffffa1863ac1bf70 RDI: ffffffffb84[ 34.931786] lkdtm: Performing direct entry SLAB_FREE_CROSS [ 34.941169] lkdtm: Attempting cross-cache slab free ... d0fb0 # [ 32.846286] RBP: ffffffffb890fba8 R08: 0000000000000001 R09: 0000000000000001 # [ 32.854255] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 32.862223] R13: ffffbbfa01327f10 R14: ffffbbfa01327f10 R15: ffffa185c404f000 # [ 32.870193] FS: 00007fb978702580(0000) GS:ffffa1863ad80000(0000) knlGS:0000000000000000 # [ 32.879230] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 32.885644] CR2: ffffbbfa01833fff CR3: 0000000102d5e002 CR4: 00000000003706e0 # [ 32.893614] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 32.903514] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 979, name: cat # [ 32.911869] INFO: lockdep is turned off. # [ 32.916244] irq event stamp: 0 # [ 32.919649] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 32.926645] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 32.935779] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 32.944912] softirqs last disabled [ 35.047105] lkdtm: Performing direct entry SLAB_FREE_PAGE [ 35.059056] lkdtm: Attempting non-Slab slab free ... at (0): [<0000000000000000>] 0x0 # [ 32.951912] CPU: 3 PID: 979 Comm: cat Tainted: G D W 5.10.165-cip24 #1 # [ 32.960462] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 32.967265] Call Trace: # [ 32.969992] dump_stack+0x77/0x9b # [ 32.973689] ___might_sleep.cold+0xa6/0xb6 # [ 32.978262] exit_signals+0x1c/0x2e0 # [ 32.982249] do_exit+0xc2/0xaf0 # [ 32.985752] ? ksys_write+0x68/0xf0 # [ 32.989635] rewind_stack_do_exit+0x17/0x20 # [ 32.994301] RIP: 0033:0x7fb978618833 # [ 32.998287] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 33.019271] RSP: 002b:00007ffc41323a38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 33.027716] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fb978618833 # [ 33.035684] RDX: 0000000000000019 RSI: 00007fb97850b000 RDI: 0000000000000001 # [ 33.043651] RBP: 00007fb97850b000 R08: 00007fb97850a010 R09: 0000000000000000 # [ 33.051620] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 33.059587] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # STACK_GUARD_PAGE_LEADING: saw 'call trace:': ok ok 12 selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh # selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # Segmentation fault # [ 33.153780] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 33.161733] lkdtm: attempting bad read from page above current stack # [ 33.168847] BUG: stack guard page was hit at 00000000cdb19e86 (stack is 000000000bd354bf..00000000292c2696) # [ 33.185931] kernel stack overflow (page fault): 0000 [#4] SMP PTI # [ 33.192738] CPU: 2 PID: 1012 Comm: cat Tainted: G D W 5.10.165-cip24 #1 # [ 33.207599] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 33.214406] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d # [ 33.227232] Code: 9d fd ff 0f 1f 44 00 00 53 48 c7 c7 20 4d 8b b8 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 e4 9c fd ff 48 c7 c7 60 4d 8b b8 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 c7 9c fd ff # [ 33.248204] RSP: 0018:ffffbbfa018b7e50 EFLAGS: 00010246 # [ 33.254038] RAX: 0000000000000038 RBX: ffffbbfa018b4000 RCX: 0000000000000000 # [ 33.262005] RDX: 0000000000000000 RSI: ffffa1863ad1bf70 RDI: ffffffffb88b4d60 # [ 33.269975] RBP: ffffffffb88b442b R08: 0000000000000000 R09: 0000000000000000 # [ 33.277941] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a # [ 33.285910] R13: ffffbbfa018b7f10 R14: ffffbbfa018b7f10 R15: ffffa185c2d41000 # [ 33.293880] FS: 00007f68c2a4d580(0000) GS:f[ 35.327726] lkdtm: Performing direct entry EXEC_DATA [ 35.337544] lkdtm: attempting ok execution at ffffffffb76e4790 [ 35.344106] lkdtm: attempting bad execution at ffffffffba00a6a0 fffa1863ad00000(0000) knlGS:0000000000000000 # [ 33.302905] C[ 35.350750] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 35.365291] BUG: unable to handle page fault for address: ffffffffba00a6a0 [ 35.372966] #PF: supervisor instruction fetch in kernel mode [ 35.379284] #PF: error_code(0x0011) - permissions violation [ 35.385506] PGD 122c29067 P4D 122c29067 PUD 122c2a063 PMD 80000001242000e3 [ 35.393285] Oops: 0011 [#5] SMP PTI [ 35.397175] CPU: 2 PID: 1555 Comm: cat Tainted: G D W 5.10.165-cip24 #1 [ 35.405848] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 35.412654] RIP: 0010:data_area+0x0/0x40 [ 35.417031] Code: ff ff 00 69 2f c4 85 a1 ff ff 00 68 2f c4 85 a1 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 [ 35.438015] RSP: 0018:ffffbbfa020efe48 EFLAGS: 00010246 [ 35.443848] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 35.451818] RDX: 0000000000000000 RSI: ffffa1863ad1bf70 RDI: ffffa1863ad1bf70 [ 35.459788] RBP: ffffffffba00a6a0 R08: 0000000000000000 R09: 0000000000000000 [ 35.467749] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 35.475717] R13: ffffbbfa020eff10 R14: ffffbbfa020eff10 R15: ffffa185c4039000 [ 35.483688] FS: 00007f9da7e00580(0000) GS:ffffa1863ad00000(0000) knlGS:0000000000000000 [ 35.492727] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 35.499143] CR2: ffffffffba00a6a0 CR3: 0000000104f68006 CR4: 00000000003706e0 [ 35.507114] Call Trace: [ 35.509852] ? execute_location+0x45/0x56 [ 35.514328] ? direct_entry.cold+0x2c/0x38 [ 35.518905] ? full_proxy_write+0x53/0x80 [ 35.523379] ? vfs_write+0xe7/0x3a0 [ 35.527263] ? ksys_write+0x68/0xf0 [ 35.531154] ? do_syscall_64+0x30/0x40 [ 35.535328] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 35.541166] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify S: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 33.30931[ 35.567630] CR2: ffffffffba00a6a0 [ 35.577538] ---[ end trace a87a77b7dbef1e9a ]--- [ 35.582692] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 35.587067] Code: 89 ff e8 be 67 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 90 62 92 02 [ 35.608048] RSP: 0018:ffffbbfa01327e60 EFLAGS: 00010286 [ 35.613895] RAX: ffffffffb76e43c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 35.621863] RDX: 0000000000000000 RSI: ffffa1863ac1bf70 RDI: ffffffffb84d0fb0 [ 35.629851] RBP: ffffffffb890fba8 R08: 0000000000000001 R09: 0000000000000001 [ 35.637820] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 35.645812] R13: ffffbbfa01327f10 R14: ffffbbfa01327f10 R15: ffffa185c404f000 [ 35.653782] FS: 00007f9da7e00580(0000) GS:ffffa1863ad00000(0000) knlGS:0000000000000000 [ 35.662821] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 9] CR2: ffffbbfa018b8000 CR3: 00000001026d0003 CR4: 000000000037[ 35.669263] CR2: ffffffffba00a6a0 CR3: 0000000104f68006 CR4: 00000000003706e0 [ 35.683448] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 35.693360] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1555, name: cat [ 35.701806] INFO: lockdep is turned off. [ 35.706181] irq event stamp: 0 [ 35.709587] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 35.716586] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 35.725720] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 35.734854] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 35.741852] CPU: 2 PID: 1555 Comm: cat Tainted: G D W 5.10.165-cip24 #1 [ 35.750503] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 35.757308] Call Trace: [ 35.760036] dump_stack+0x77/0x9b [ 35.763734] ___might_sleep.cold+0xa6/0xb6 [ 35.768307] exit_signals+0x1c/0x2e0 [ 35.772296] do_exit+0xc2/0xaf0 [ 35.775800] ? ksys_write+0x68/0xf0 [ 35.779692] rewind_stack_do_exit+0x17/0x20 [ 35.784359] RIP: 0033:0x7f9da7d16833 [ 35.788347] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 35.809329] RSP: 002b:00007ffebe07b228 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 35.817776] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f9da7d16833 [ 35.825745] RDX: 000000000000000a RSI: 00007f9da7c09000 RDI: 0000000000000001 [ 35.833714] RBP: 00007f9da7c09000 R08: 00007f9da7c08010 R09: 0000000000000000 [ 35.841681] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 35.849652] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 06e0 # [ 33.317287] Call Trace: # [ 33.320015] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a # [ 33.325849] direct_entry.cold+0x2c/0x38 # [ 33.330229] full_proxy_write+0x53/0x80 # [ 33.334510] vfs_write+0xe7/0x3a0 # [ 33.338206] ksys_write+0x68/0xf0 # [ 33.341900] do_syscall_64+0x30/0x40 # [ 33.345903] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 33.351535] RIP: 0033:0x7f68c2963833 # [ 33.355516] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 33.376488] RSP: 002b:00007ffdc452de98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 33.384934] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f68c2963833 # [ 33.392912] RDX: 000000000000001a RSI: 00007f68c2856000 RDI: 0000000000000001 # [ 33.400872] RBP: 00007f68c2856000 R08: 00007f68c2855010 R09: 0000000000000000 # [ 33.408849] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 33.416819] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 33[ 35.968449] lkdtm: Performing direct entry EXEC_STACK .424791] Modules linked in: fuse ip_tables cros_ec_sensors cros_[ 35.975198] lkdtm: attempting ok execution at ffffffffb76e4790 ec_sensors_core industrialio_triggered_buffer kfifo_buf industri[ 35.987935] lkdtm: attempting bad execution at ffffbbfa0218fe18 alio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_de[ 36.000781] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 36.015312] BUG: unable to handle page fault for address: ffffbbfa0218fe18 [ 36.022990] #PF: supervisor instruction fetch in kernel mode [ 36.029308] #PF: error_code(0x0011) - permissions violation [ 36.035529] PGD 100000067 P4D 100000067 PUD 10020b067 PMD 103769067 PTE 8000000104dc6063 [ 36.044576] Oops: 0011 [#6] SMP PTI [ 36.048469] CPU: 0 PID: 1591 Comm: cat Tainted: G D W 5.10.165-cip24 #1 [ 36.057120] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 36.063924] RIP: 0010:0xffffbbfa0218fe18 [ 36.068301] Code: 00 00 18 fe 18 02 fa bb ff ff 1d 69 d4 b7 ff ff ff ff 20 00 00 00 00 00 00 00 6e 45 8b b8 ff ff ff ff 4c 6a d4 b7 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 [ 36.089275] RSP: 0018:ffffbbfa0218fdf8 EFLAGS: 00010246 [ 36.095099] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 36.103067] RDX: 0000000000000000 RSI: ffffa1863ac1bf70 RDI: ffffa1863ac1bf70 [ 36.111036] RBP: ffffbbfa0218fe18 R08: 0000000000000000 R09: 0000000000000000 [ 36.119005] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b [ 36.126973] R13: ffffbbfa0218ff10 R14: ffffbbfa0218ff10 R15: ffffa185c2c2c000 [ 36.134944] FS: 00007f1ad9611580(0000) GS:ffffa1863ac00000(0000) knlGS:0000000000000000 [ 36.143972] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 36.150387] CR2: ffffbbfa0218fe18 CR3: 0000000102d5e002 CR4: 00000000003706f0 [ 36.158357] Call Trace: [ 36.161086] ? execute_location+0x45/0x56 [ 36.165565] ? lkdtm_EXEC_STACK+0x26/0x44 [ 36.170040] ? direct_entry.cold+0x2c/0x38 [ 36.174616] ? full_proxy_write+0x53/0x80 [ 36.179097] ? vfs_write+0xe7/0x3a0 [ 36.182988] ? ksys_write+0x68/0xf0 [ 36.186901] ? do_syscall_64+0x30/0x40 [ 36.191083] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 36.196921] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 36.223364] CR2: ffffbbfa0218fe18 [ 36.227062] ---[ end trace a87a77b7dbef1e9b ]--- [ 36.232216] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 36.236593] Code: 89 ff e8 be 67 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 90 62 92 02 [ 36.257576] RSP: 0018:ffffbbfa01327e60 EFLAGS: 00010286 [ 36.263410] RAX: ffffffffb76e43c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 36.271377] RDX: 0000000000000000 RSI: ffffa1863ac1bf70 RDI: ffffffffb84d0fb0 [ 36.279345] RBP: ffffffffb890fba8 R08: 0000000000000001 R09: 0000000000000001 [ 36.287314] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 36.295284] R13: ffffbbfa01327f10 R14: ffffbbfa01327f10 R15: ffffa185c404f000 [ 36.303255] FS: 00007f1ad9611580(0000) GS:ffffa1863ac00000(0000) knlGS:0000000000000000 [ 36.312285] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 36.318701] CR2: ffffbbfa0218fe18 CR3: 0000000102d5e002 CR4: 00000000003706f0 bugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 33.451256] ---[ end trace a87a77b7dbef1e98 ]--- # [ 33.462620] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 33.466996] Code: 89 ff e8 be 67 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 90 62 92 02 # [ 33.487976] RSP: 0018:ffffbbfa01327e60 EFLAGS: 00010286 # [ 33.493809] RAX: ffffffffb76e43c0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 33.501776] RDX: 0000000000000000 RSI: ffffa1863ac1bf70 RDI: ffffffffb84d0fb0 # [ 33.509743] RBP: ffffffffb890fba8 R08: 0000000000000001 R09: 0000000000000001 # [ 33.517710] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 33.525678] R13: ffffbbfa01327f10 R14: ffffbbfa01327f10 R15: ffffa185c404f000 # [ 33.533646] FS: 00007f68c2a4d580(0000) GS:ffffa1863ad00000(0000) knlGS:0000000000000000 # [ 33.542673] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 33.549087] CR2: ffffbbfa018b8000 CR3: 00000001026d0003 CR4: 00000000003706e0 # STACK_GUARD_PAGE_TRAILING: saw 'call trace:': ok ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # selftests: lkdtm: UNSET_SMEP.sh # [ 33.655690] lkdtm: Performing direct entry UNSET_SMEP # [ 33.662221] lkdtm: trying to clear SMEP normally # [ 33.667409] ------------[ cut here ]------------ # [ 33.672593] pinned CR4 bits changed: 0x100000!? # [ 33.677675] WARNING: CPU: 2 PID: 1048 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60 # [ 33.687892] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf indus[ 36.492279] lkdtm: Performing direct entry EXEC_KMALLOC trialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec[ 36.500370] lkdtm: attempting ok execution at ffffffffb76e4790 _debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_u[ 36.513128] lkdtm: attempting bad execution at ffffa185c35a7dc0 sbpd_notify # [ 33.714334] CPU: 2 PID: 1048 Comm: cat Tainted[ 36.525960] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 36.540492] BUG: unable to handle page fault for address: ffffa185c35a7dc0 [ 36.548170] #PF: supervisor instruction fetch in kernel mode [ 36.554488] #PF: error_code(0x0011) - permissions violation [ 36.560708] PGD 124401067 P4D 124401067 PUD 100214063 PMD 1055a0063 PTE 80000001035a7063 [ 36.569756] Oops: 0011 [#7] SMP PTI [ 36.573639] CPU: 0 PID: 1627 Comm: cat Tainted: G D W 5.10.165-cip24 #1 [ 36.582287] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 36.589092] RIP: 0010:0xffffa185c35a7dc0 [ 36.593468] Code: ff ff 50 7b 5a c3 85 a1 ff ff c0 a3 32 c3 85 a1 ff ff 00 6c 7e c4 85 a1 ff ff 00 4a 0e 44 d7 e5 ff ff 00 80 92 c3 85 a1 ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 [ 36.614451] RSP: 0018:ffffbbfa0222fe38 EFLAGS: 00010246 [ 36.620283] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 36.628252] RDX: 0000000000000000 RSI: ffffa1863ac1bf70 RDI: ffffa1863ac1bf70 [ 36.636219] RBP: ffffa185c35a7dc0 R08: 0000000000000000 R09: 0000000000000000 [ 36.644187] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 36.652154] R13: ffffbbfa0222ff10 R14: ffffbbfa0222ff10 R15: ffffa185c406e000 [ 36.660124] FS: 00007f53ead6d580(0000) GS:ffffa1863ac00000(0000) knlGS:0000000000000000 [ 36.669163] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 36.675577] CR2: ffffa185c35a7dc0 CR3: 0000000102d8a001 CR4: 00000000003706f0 [ 36.683545] Call Trace: [ 36.686273] ? execute_location+0x45/0x56 [ 36.690754] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 [ 36.695428] ? direct_entry.cold+0x2c/0x38 [ 36.699992] ? full_proxy_write+0x53/0x80 [ 36.704466] ? vfs_write+0xe7/0x3a0 [ 36.708359] ? ksys_write+0x68/0xf0 [ 36.712251] ? do_syscall_64+0x30/0x40 [ 36.716433] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 36.722269] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 36.748708] CR2: ffffa185c35a7dc0 [ 36.752406] ---[ end trace a87a77b7dbef1e9c ]--- [ 36.757550] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 36.761927] Code: 89 ff e8 be 67 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 90 62 92 02 [ 36.782908] RSP: 0018:ffffbbfa01327e60 EFLAGS: 00010286 [ 36.788742] RAX: ffffffffb76e43c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 36.796711] RDX: 0000000000000000 RSI: ffffa1863ac1bf70 RDI: ffffffffb84d0fb0 [ 36.804681] RBP: ffffffffb890fba8 R08: 0000000000000001 R09: 0000000000000001 [ 36.812650] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 36.820618] R13: ffffbbfa01327f10 R14: ffffbbfa01327f10 R15: ffffa185c404f000 [ 36.828588] FS: 00007f53ead6d580(0000) GS:ffffa1863ac00000(0000) knlGS:0000000000000000 [ 36.837625] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 36.844040] CR2: ffffa185c35a7dc0 CR3: 0000000102d8a001 CR4: 00000000003706f0 : G D W 5.10.165-cip24 #1 # [ 33.723009] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 33.729818] RIP: 0010:native_write_cr4+0x45/0x60 # [ 33.734975] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d 56 93 e3 01 00 75 f2 48 c7 c7 60 32 7f b8 c6 05 46 93 e3 01 01 e8 72 5b e5 00 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 # [ 33.755988] RSP: 0018:ffffbbfa0193fe48 EFLAGS: 00010286 # [ 33.761844] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 0000000000000000 # [ 33.769827] RDX: ffffa1863ad2c660 RSI: ffffa1863ad1bf70 RDI: ffffa1863ad1bf70 # [ 33.784012] RBP: ffffffffb88b4445 R08: 0000000000000000 R09: 0000000000000000 # [ 33.792013] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 33.799986] R13: ffffbbfa0193ff10 R14: ffffbbfa0193ff10 R15: ffffa185c40af000 # [ 33.807959] FS: 00007f2d5b559580(0000) GS:ffffa1863ad00000(0000) knlGS:0000000000000000 # [ 33.817000] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 33.829630] CR2: 00007f2d5b362000 CR3: 0000000104116001 CR4: 00000000003706e0 # [ 33.837603] Call Trace: # [ 33.846547] lkdtm_UNSET_SMEP.cold+0x1d/0x103 # [ 33.857643] direct_entry.cold+0x2c/0x38 # [ 33.862033] full_proxy_write+0x53/0x80 # [ 33.872524] vfs_write+0xe7/0x3a0 # [ 33.876247[ 36.981462] lkdtm: Performing direct entry EXEC_VMALLOC [ 36.988433] lkdtm: attempting ok execution at ffffffffb76e4790 [ 36.995001] lkdtm: attempting bad execution at ffffbbfa0036d000 [ 37.001688] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) ] ksys_write+0x68/0xf0 # [ 33.879948] do_syscall_64+0x30/0x[ 37.010059] BUG: unable to handle page fault for address: ffffbbfa0036d000 [ 37.023949] #PF: supervisor instruction fetch in kernel mode [ 37.030256] #PF: error_code(0x0011) - permissions violation [ 37.036477] PGD 100000067 P4D 100000067 PUD 10020b067 PMD 101279067 PTE 800000010375c063 [ 37.045519] Oops: 0011 [#8] SMP PTI [ 37.049410] CPU: 3 PID: 1663 Comm: cat Tainted: G D W 5.10.165-cip24 #1 [ 37.058060] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 37.064868] RIP: 0010:0xffffbbfa0036d000 [ 37.069246] Code: Unable to access opcode bytes at RIP 0xffffbbfa0036cfd6. 40 # [ 33.883940] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 37.076928] RSP: 0018:ffffbbfa022d7e38 EFLAGS: 00010246 [ 37.088974] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 37.096945] RDX: 0000000000000000 RSI: ffffa1863ad9bf70 RDI: ffffa1863ad9bf70 [ 37.104914] RBP: ffffbbfa0036d000 R08: 0000000000000000 R09: 0000000000000000 [ 37.112915] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 37.120898] R13: ffffbbfa022d7f10 R14: ffffbbfa022d7f10 R15: ffffa185c375c000 [ 37.128869] FS: 00007f6c73f4c580(0000) GS:ffffa1863ad80000(0000) knlGS:0000000000000000 [ 37.137906] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 37.144323] CR2: ffffbbfa0036cfd6 CR3: 0000000104048002 CR4: 00000000003706e0 [ 37.152292] Call Trace: [ 37.155020] ? execute_location+0x45/0x56 [ 37.159497] ? lkdtm_EXEC_VMALLOC+0x20/0x30 [ 37.164167] ? direct_entry.cold+0x2c/0x38 [ 37.168741] ? full_proxy_write+0x53/0x80 [ 37.173216] ? vfs_write+0xe7/0x3a0 [ 37.177099] ? ksys_write+0x68/0xf0 [ 37.180984] ? do_syscall_64+0x30/0x40 [ 37.185165] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 37.191003] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 33.889581] RIP: 0033:0x7f2d5b46f833 # [ 33.893573] Code[ 37.217467] CR2: ffffbbfa0036d000 [ 37.227378] ---[ end trace a87a77b7dbef1e9d ]--- [ 37.232523] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 37.236901] Code: 89 ff e8 be 67 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 90 62 92 02 [ 37.257877] RSP: 0018:ffffbbfa01327e60 EFLAGS: 00010286 [ 37.263712] RAX: ffffffffb76e43c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 37.271681] RDX: 0000000000000000 RSI: ffffa1863ac1bf70 RDI: ffffffffb84d0fb0 [ 37.279652] RBP: ffffffffb890fba8 R08: 0000000000000001 R09: 0000000000000001 [ 37.287622] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 37.295590] R13: ffffbbfa01327f10 R14: ffffbbfa01327f10 R15: ffffa185c404f000 [ 37.303560] FS: 00007f6c73f4c580(0000) GS:ffffa1863ad80000(0000) knlGS:0000000000000000 [ 37.312597] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 37.319011] CR2: ffffbbfa0036cfd6 CR3: 0000000104048002 CR4: 00000000003706e0 [ 37.326983] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 37.336900] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1663, name: cat [ 37.345356] INFO: lockdep is turned off. [ 37.349731] irq event stamp: 0 [ 37.353137] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 37.360135] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 37.369272] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 37.378406] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 37.385406] CPU: 3 PID: 1663 Comm: cat Tainted: G D W 5.10.165-cip24 #1 [ 37.394057] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 37.400862] Call Trace: [ 37.403589] dump_stack+0x77/0x9b [ 37.407287] ___might_sleep.cold+0xa6/0xb6 [ 37.411861] exit_signals+0x1c/0x2e0 [ 37.415853] do_exit+0xc2/0xaf0 [ 37.419358] ? ksys_write+0x68/0xf0 [ 37.423250] rewind_stack_do_exit+0x17/0x20 [ 37.427918] RIP: 0033:0x7f6c73e62833 [ 37.431906] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 37.452903] RSP: 002b:00007fff39879118 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 37.461362] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f6c73e62833 [ 37.469332] RDX: 000000000000000d RSI: 00007f6c73d55000 RDI: 0000000000000001 [ 37.477299] RBP: 00007f6c73d55000 R08: 00007f6c73d54010 R09: 0000000000000000 [ 37.485270] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 37.493239] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 : 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 33.914580] RSP: 002b:00007ffe0d35f6b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 33.923052] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f2d5b46f833 # [ 33.937234] RDX: 000000000000000b RSI: 00007f2d5b362000 RDI: 0000000000000001 # [ 33.945207] RBP: 00007f2d5b362000 R08: 00007f2d5b361010 R09: 0000000000000000 # [ 33.959391] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 33.967364] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 33.981555] irq event stamp: 0 # [ 33.991175] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 34.004397] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 34.019752] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 34.028892] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 34.042106] ---[ end trace a87a77b7dbef1e99 ]--- # [ 34.04726[ 37.612506] lkdtm: Performing direct entry EXEC_RODATA 4] lkdtm: ok: SMEP did not get cleared # [ 34.058536] lkdtm: [ 37.618880] lkdtm: attempting ok execution at ffffffffb76e4790 trying to clear SMEP with call gadget # [ 34.064470] lkdtm: o[ 37.631612] lkdtm: attempting bad execution at ffffffffb84d1440 k: SMEP removal was reverted # UNSET_SMEP: saw 'pinned CR4 bits[ 37.644458] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 37.659007] BUG: unable to handle page fault for address: ffffffffb84d1440 changed:': ok ok 14 selftests: lkdtm: UNSET_SMEP.sh # selftes[ 37.666687] #PF: supervisor instruction fetch in kernel mode [ 37.679216] #PF: error_code(0x0011) - permissions violation ts[: lkdtm: DOUBLE_FAULT.sh # [ 34.154588] lkdtm: Performing d 37.685438] PGD 122c29067 P4D 122c29067 PUD 122c2a063 PMD 80000001226000e1 [ 37.699433] Oops: 0011 [#9] SMP PTI [ 37.703316] CPU: 1 PID: 1699 Comm: cat Tainted: G D W 5.10.165-cip24 #1 [ 37.711956] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 37.718763] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 irect entry DOUBLE_FAULT # [ 34.162481] lkdtm: XFAIL: this te[ 37.724502] Code: ff ff bc 7e d4 b7 ff ff ff ff ba 47 8b b8 ff ff ff ff 02 66 d4 b7 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 [ 37.751702] RSP: 0018:ffffbbfa02367e48 EFLAGS: 00010246 [ 37.757538] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 37.765508] RDX: 0000000000000000 RSI: ffffa1863ac9bf70 RDI: ffffa1863ac9bf70 [ 37.773478] RBP: ffffffffb84d1440 R08: 0000000000000000 R09: 0000000000000000 [ 37.781449] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 37.789419] R13: ffffbbfa02367f10 R14: ffffbbfa02367f10 R15: ffffa185c420b000 [ 37.797389] FS: 00007f3822805580(0000) GS:ffffa1863ac80000(0000) knlGS:0000000000000000 [ 37.806429] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 37.812847] CR2: ffffffffb84d1440 CR3: 000000010333c003 CR4: 00000000003706e0 [ 37.820809] Call Trace: [ 37.823538] ? execute_location+0x45/0x56 [ 37.828016] ? direct_entry.cold+0x2c/0x38 [ 37.832590] ? full_proxy_write+0x53/0x80 [ 37.837067] ? vfs_write+0xe7/0x3a0 [ 37.840961] ? ksys_write+0x68/0xf0 [ 37.844852] ? do_syscall_64+0x30/0x40 st is ia32-only # DOUBLE_FAULT: saw 'XFAIL': [SKIP] ok 15 self[ 37.849038] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 tests: lkdtm: DOUBLE_FAULT.sh # SKIP # selftests: lkdtm: CORRUP[ 37.861090] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 37.893730] CR2: ffffffffb84d1440 [ 37.897428] ---[ end trace a87a77b7dbef1e9e ]--- [ 37.902583] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 37.906951] Code: 89 ff e8 be 67 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 90 62 92 02 [ 37.927937] RSP: 0018:ffffbbfa01327e60 EFLAGS: 00010286 [ 37.933771] RAX: ffffffffb76e43c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 37.941741] RDX: 0000000000000000 RSI: ffffa1863ac1bf70 RDI: ffffffffb84d0fb0 [ 37.949711] RBP: ffffffffb890fba8 R08: 0000000000000001 R09: 0000000000000001 [ 37.957681] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 37.965649] R13: ffffbbfa01327f10 R14: ffffbbfa01327f10 R15: ffffa185c404f000 [ 37.973619] FS: 00007f3822805580(0000) GS:ffffa1863ac80000(0000) knlGS:0000000000000000 [ 37.982657] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 37.989073] CR2: ffffffffb84d1440 CR3: 000000010333c003 CR4: 00000000003706e0 T_PAC.sh # [ 34.300734] lkdtm: Performing direct entry CORRUPT_PAC # [ 34.310173] 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 # [ 34.393942] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 34.403417] 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 # [ 34.544519] lkdtm: Performing direct entry READ_AFTER_FREE # [ 34.553942] lkdtm: Value in memory before free: 12345678 # [ 34.559916] lkdtm: Attempting bad read from freed memory # [ 34.572064] lkdtm: Memory was not poisoned # READ_AFTER_FREE: missing 'ca[ 38.102657] lkdtm: Performing direct entry EXEC_USERSPACE ll trace:': [FAIL] not ok 20 selftests: lkdtm: READ_AFTER_FREE.[ 38.114964] lkdtm: attempting ok execution at ffffffffb76e4790 sh # exit=1 # selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # Sk[ 38.127729] lkdtm: attempting bad execution at 00007f0bbcf20000 ipping WRITE_BUDDY_AFTER_FREE: Corrupts memory on failure ok 21[ 38.140547] unable to execute userspace code (SMEP?) (uid: 0) [ 38.153152] BUG: unable to handle page fault for address: 00007f0bbcf20000 selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # SKIP # selftests[ 38.160832] #PF: supervisor instruction fetch in kernel mode [ 38.173362] #PF: error_code(0x0011) - permissions violation : [lkdtm: READ_BUDDY_AFTER_FREE.sh # [ 34.692268] lkdtm: Perfo 38.179584] PGD 80000001026f3067 P4D 80000001026f3067 PUD 1026f2067 PMD 1035e7067 PTE 109ea0067 [ 38.195523] Oops: 0011 [#10] SMP PTI [ 38.199512] CPU: 1 PID: 1735 Comm: cat Tainted: G D W 5.10.165-cip24 #1 [ 38.208163] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 38.214969] RIP: 0010:0x7f0bbcf20000 [ 38.218949] Code: Unable to access opcode bytes at RIP 0x7f0bbcf1ffd6. [ 38.226238] RSP: 0018:ffffbbfa0240fe50 EFLAGS: 00010246 [ 38.232073] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 [ 38.240045] RDX: 0000000000000000 RSI: ffffa1863ac9bf70 RDI: ffffa1863ac9bf70 [ 38.248015] RBP: 00007f0bbcf20000 R08: 0000000000000000 R09: 0000000000000000 [ 38.255985] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f [ 38.263956] R13: ffffbbfa0240ff10 R14: ffffbbfa0240ff10 R15: ffffa185c35cf000 [ 38.271929] FS: 00007f0bbcef1580(0000) GS:ffffa1863ac80000(0000) knlGS:0000000000000000 [ 38.280960] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.287368] CR2: 00007f0bbcf20000 CR3: 000000010366c006 CR4: 00000000003706e0 [ 38.295339] Call Trace: [ 38.298068] ? lkdtm_EXEC_USERSPACE.cold+0x66/0xae rming direct entry READ_BUDDY_AFTER_FREE # [ 34.701498] lkdtm[ 38.303419] ? direct_entry.cold+0x2c/0x38 [ 38.314205] ? full_proxy_write+0x53/0x80 [ 38.318682] ? vfs_write+0xe7/0x3a0 [ 38.322576] ? ksys_write+0x68/0xf0 [ 38.326471] ? do_syscall_64+0x30/0x40 [ 38.330656] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 : Value in memory before free: 12345678 # [ 34.707440] lkdtm:[ 38.336493] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 38.369138] CR2: 00007f0bbcf20000 [ 38.372853] ---[ end trace a87a77b7dbef1e9f ]--- Attempting to read from freed memory # [ 34.713288] lkdtm: B[ 38.378019] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 38.388608] Code: 89 ff e8 be 67 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 90 62 92 02 [ 38.409596] RSP: 0018:ffffbbfa01327e60 EFLAGS: 00010286 [ 38.415421] RAX: ffffffffb76e43c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 38.423391] RDX: 0000000000000000 RSI: ffffa1863ac1bf70 RDI: ffffffffb84d0fb0 [ 38.431362] RBP: ffffffffb890fba8 R08: 0000000000000001 R09: 0000000000000001 [ 38.439334] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 38.447304] R13: ffffbbfa01327f10 R14: ffffbbfa01327f10 R15: ffffa185c404f000 [ 38.455273] FS: 00007f0bbcef1580(0000) GS:ffffa1863ac80000(0000) knlGS:0000000000000000 [ 38.464312] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.470718] CR2: 00007f0bbcf20000 CR3: 000000010366c006 CR4: 00000000003706e0 uddy 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 # [ 34.839360] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 34.848836] 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 # [ 34.931786] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 34.941169] 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 # [ 35.047105] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 35.059056] lkdtm: Attempting non-Slab slab free ... # SLAB_FREE_PAGE: missing 'call trace:': [FAIL] not ok 25 selftests: lkdtm: SLAB_FREE_PAGE.sh # exit=1 # selftests: lkdtm: SOFTLOCKUP.sh # Skipping SOFTLOCKUP: Hangs the system ok 26 selftests: lkdtm: SOFTLOCKUP.sh # SKIP # selftests: lkdtm: HARDLOCKUP.sh # Skipping HARDLOCKUP: Hangs the system ok 27 selftests: lkdtm: HARDLOCKUP.sh # SKIP # selftests: lkdtm: SPINLOCKUP.sh # Skipping SPINLOCKUP: Hangs the system [ 38.599576] lkdtm: Performing direct entry EXEC_NULL [ 38.608789] lkdtm: attempting ok execution at ffffffffb76e4790 [ 38.615313] lkdtm: attempting bad execution at 0000000000000000 [ 38.621937] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 38.629720] #PF: supervisor instruction fetch in kernel mode [ 38.636041] #PF: error_code(0x0010) - not-present page [ 38.641770] PGD 0 P4D 0 [ 38.644594] Oops: 0010 [#11] SMP PTI [ 38.648584] CPU: 3 PID: 1772 Comm: cat Tainted: G D W 5.10.165-cip24 #1 [ 38.657225] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 38.664031] RIP: 0010:0x0 [ 38.666951] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. [ 38.674629] RSP: 0018:ffffbbfa024bfe48 EFLAGS: 00010246 [ 38.680462] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 38.688433] RDX: 0000000000000000 RSI: ffffa1863ad9bf70 RDI: ffffa1863ad9bf70 [ 38.696403] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 38.704372] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 38.712341] R13: ffffbbfa024bff10 R14: ffffbbfa024bff10 R15: ffffa185c4070000 [ 38.720312] FS: 00007f6d9b271580(0000) GS:ffffa1863ad80000(0000) knlGS:0000000000000000 [ 38.729342] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.735750] CR2: ffffffffffffffd6 CR3: 0000000102988006 CR4: 00000000003706e0 [ 38.743721] Call Trace: [ 38.746449] execute_location+0x45/0x56 [ 38.750730] direct_entry.cold+0x2c/0x38 [ 38.755108] full_proxy_write+0x53/0x80 [ 38.759389] vfs_write+0xe7/0x3a0 [ 38.763086] ksys_write+0x68/0xf0 [ 38.766783] do_syscall_64+0x30/0x40 [ 38.770770] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 38.776409] RIP: 0033:0x7f6d9b187833 [ 38.780396] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 38.801381] RSP: 002b:00007ffe7efe5b58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 38.809849] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f6d9b187833 [ 38.817818] RDX: 000000000000000a RSI: 00007f6d9b07a000 RDI: 0000000000000001 [ 38.825786] RBP: 00007f6d9b07a000 R08: 00007f6d9b079010 R09: 0000000000000000 [ 38.833756] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 38.841724] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 38.849699] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify ok 28 selftests: lkdtm: SPINLOCKUP.sh # SKIP # selftests: lkdt[ 38.876161] CR2: 0000000000000000 [ 38.886074] ---[ end trace a87a77b7dbef1ea0 ]--- [ 38.891229] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 38.895605] Code: 89 ff e8 be 67 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 90 62 92 02 [ 38.916589] RSP: 0018:ffffbbfa01327e60 EFLAGS: 00010286 [ 38.922423] RAX: ffffffffb76e43c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 38.930390] RDX: 0000000000000000 RSI: ffffa1863ac1bf70 RDI: ffffffffb84d0fb0 [ 38.938358] RBP: ffffffffb890fba8 R08: 0000000000000001 R09: 0000000000000001 [ 38.946327] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 38.954296] R13: ffffbbfa01327f10 R14: ffffbbfa01327f10 R15: ffffa185c404f000 [ 38.962265] FS: 00007f6d9b271580(0000) GS:ffffa1863ad80000(0000) knlGS:0000000000000000 [ 38.971303] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.977719] CR2: ffffffffffffffd6 CR3: 0000000102988006 CR4: 00000000003706e0 [ 38.985690] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 38.995593] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1772, name: cat [ 39.004047] INFO: lockdep is turned off. [ 39.008422] irq event stamp: 0 [ 39.011849] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 39.018856] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 39.027991] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 39.037125] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 39.044124] CPU: 3 PID: 1772 Comm: cat Tainted: G D W 5.10.165-cip24 #1 [ 39.052772] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 39.059575] Call Trace: [ 39.062303] dump_stack+0x77/0x9b [ 39.066002] ___might_sleep.cold+0xa6/0xb6 [ 39.070575] exit_signals+0x1c/0x2e0 [ 39.074563] do_exit+0xc2/0xaf0 [ 39.078065] ? ksys_write+0x68/0xf0 [ 39.081957] rewind_stack_do_exit+0x17/0x20 [ 39.086617] RIP: 0033:0x7f6d9b187833 [ 39.090604] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 39.111589] RSP: 002b:00007ffe7efe5b58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 39.120044] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f6d9b187833 [ 39.128013] RDX: 000000000000000a RSI: 00007f6d9b07a000 RDI: 0000000000000001 [ 39.135981] RBP: 00007f6d9b07a000 R08: 00007f6d9b079010 R09: 0000000000000000 [ 39.143951] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 39.151920] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 m: HUNG_TASK.sh # Skipping HUNG_TASK: Hangs the system ok 29 selftests: lkdtm: HUNG_TASK.sh # SKIP # selftests: lkdtm: EXEC_DATA.sh # Killed # [ 35.327726] lkdtm: Performing direct entry EXEC_DATA # [ 35.337544] lkdtm: attempting ok execution at ffffffffb76e4790 # [ 35.344106] lkdtm: attempting bad execution at ffffffffba00a6a0 # [ 35.350750] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 35.365291] BUG: unable to handle page fault for address: ffffffffba00a6a0 # [ 35.372966] #PF: supervisor instruction fetch in kernel mode # [ 35.379284] #PF: error_code(0x0011) - permissions violation # [ 35.385506] PGD 122c29067 P4D 122c29067 PUD 122c2a063 PMD 80000001242000e3 # [ 35.393285] Oops: 0011 [#5] SMP PTI # [ 35.397175] CPU: 2 PID: 1555 Comm: cat Tainted: G D W 5.10.165-cip24 #1 # [ 35.405848] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 35.412654] RIP: 0010:data_area+0x0/0x40 # [ 35.417031] Code: ff ff 00 69 2f c4 85 a1 ff ff 00 68 2f c4 85 a1 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 # [ 35.438015] RSP: 0018:ffffbbfa020efe48 EFLAGS: 00010246 # [ 35.443848] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 35.451818] RDX: 0000000000000000 RSI: ffffa1863ad1bf70 RDI: ffffa1863ad1bf70 # [ 35.459788] RBP: ffffffffba00a6a0 R08: 0000000000000000 R09: 0000000000000000 # [ 35.467749] R10: 00[ 39.308970] lkdtm: Performing direct entry ACCESS_USERSPACE 000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ [ 39.315399] lkdtm: attempting bad read at 00007fa25d8c0000 35.475717] R13: ffffbbfa020eff10 R14: ffffbbfa020eff10 R15: ff[ 39.327744] BUG: unable to handle page fault for address: 00007fa25d8c0000 [ 39.341628] #PF: supervisor read access in kernel mode [ 39.347366] #PF: error_code(0x0001) - permissions violation ffa185c4039000 # [ 35.483688] FS: 00007f9da7e00580(0000) GS:[ 39.353589] PGD 800000010331a067 P4D 800000010331a067 PUD 10334a067 PMD 102d89067 PTE 107ced067 [ 39.369530] Oops: 0001 [#12] SMP PTI [ 39.373520] CPU: 1 PID: 1807 Comm: cat Tainted: G D W 5.10.165-cip24 #1 [ 39.382171] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 39.388978] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 ffffa1863ad00000(0000) knlGS:0000000000000000 # [ 35.492727] [ 39.395202] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 d8 54 8b b8 e8 58 96 fd ff 48 c7 c7 00 55 8b b8 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 3f 96 fd ff 48 89 ee 48 c7 c7 28 55 8b [ 39.422401] RSP: 0018:ffffbbfa02557e48 EFLAGS: 00010246 [ 39.428237] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 [ 39.436198] RDX: 0000000000000000 RSI: ffffa1863ac9bf70 RDI: ffffffffb88b5500 [ 39.444168] RBP: 00007fa25d8c0000 R08: 0000000000000000 R09: 0000000000000000 [ 39.452139] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 [ 39.460109] R13: ffffbbfa02557f10 R14: ffffbbfa02557f10 R15: ffffa185c4c6e000 [ 39.468080] FS: 00007fa25d891580(0000) GS:ffffa1863ac80000(0000) knlGS:0000000000000000 [ 39.477119] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.483536] CR2: 00007fa25d8c0000 CR3: 00000001029f4006 CR4: 00000000003706e0 [ 39.491506] Call Trace: [ 39.494234] direct_entry.cold+0x2c/0x38 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 35.4991[ 39.498615] full_proxy_write+0x53/0x80 [ 39.509108] vfs_write+0xe7/0x3a0 [ 39.512807] ksys_write+0x68/0xf0 [ 39.516506] do_syscall_64+0x30/0x40 [ 39.520496] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 39.526135] RIP: 0033:0x7fa25d7a7833 [ 39.530123] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 39.551107] RSP: 002b:00007ffc049ec978 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 39.559565] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007fa25d7a7833 [ 39.567528] RDX: 0000000000000011 RSI: 00007fa25d69a000 RDI: 0000000000000001 [ 39.575497] RBP: 00007fa25d69a000 R08: 00007fa25d699010 R09: 0000000000000000 [ 39.583469] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 39.591438] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 43] CR2: ffffffffba00a6a0 CR3: 0000000104f68006 CR4: 00000000003[ 39.599413] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 39.632060] CR2: 00007fa25d8c0000 [ 39.635750] ---[ end trace a87a77b7dbef1ea1 ]--- [ 39.640907] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 39.645286] Code: 89 ff e8 be 67 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 90 62 92 02 [ 39.666272] RSP: 0018:ffffbbfa01327e60 EFLAGS: 00010286 [ 39.672107] RAX: ffffffffb76e43c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 39.680077] RDX: 0000000000000000 RSI: ffffa1863ac1bf70 RDI: ffffffffb84d0fb0 [ 39.688047] RBP: ffffffffb890fba8 R08: 0000000000000001 R09: 0000000000000001 [ 39.696019] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 39.703989] R13: ffffbbfa01327f10 R14: ffffbbfa01327f10 R15: ffffa185c404f000 [ 39.711961] FS: 00007fa25d891580(0000) GS:ffffa1863ac80000(0000) knlGS:0000000000000000 [ 39.721002] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.727417] CR2: 00007fa25d8c0000 CR3: 00000001029f4006 CR4: 00000000003706e0 [ 39.735388] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 39.745293] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1807, name: cat [ 39.753749] INFO: lockdep is turned off. [ 39.758126] irq event stamp: 0 [ 39.761532] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 39.768533] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 39.777669] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 39.786807] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 39.793808] CPU: 1 PID: 1807 Comm: cat Tainted: G D W 5.10.165-cip24 #1 [ 39.802459] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 39.809264] Call Trace: [ 39.811992] dump_stack+0x77/0x9b 706e0 # [ 35.507114] Call Trace: # [ 35.509852] ? execute[ 39.815694] ___might_sleep.cold+0xa6/0xb6 [ 39.826480] exit_signals+0x1c/0x2e0 [ 39.830469] do_exit+0xc2/0xaf0 [ 39.833964] ? ksys_write+0x68/0xf0 [ 39.837858] rewind_stack_do_exit+0x17/0x20 _location+0x45/0x56 # [ 35.514328] ? direct_entry.cold+0x2c/[ 39.842529] RIP: 0033:0x7fa25d7a7833 [ 39.852732] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 39.873719] RSP: 002b:00007ffc049ec978 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 39.882176] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007fa25d7a7833 [ 39.890147] RDX: 0000000000000011 RSI: 00007fa25d69a000 RDI: 0000000000000001 [ 39.898117] RBP: 00007fa25d69a000 R08: 00007fa25d699010 R09: 0000000000000000 [ 39.906088] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 39.914057] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0x38 # [ 35.518905] ? full_proxy_write+0x53/0x80 # [ 35.523379] ? vfs_write+0xe7/0x3a0 # [ 35.527263] ? ksys_write+0x68/0xf0 # [ 35.531154] ? do_syscall_64+0x30/0x40 # [ 35.535328] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 35.541166] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 35.567630] CR2: ffffffffba00a6a0 # [ 35.577538] ---[ end trace a87a77b7dbef1e9a ]--- # [ 35.582692] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 35.587067] Code: 89 ff e8 be 67 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 90 62 92 02 # [ 35.608048] RSP: 0018:ffffbbfa01327e60 EFLAGS: 00010286 # [ 35.613895] RAX: ffffffffb76e43c0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 35.621863] RDX: 0000000000000000 RSI: ffffa1863ac1bf70 RDI: ffffffffb84d0fb0 # [ 35.629851] RBP: ffffffffb890fba8 R08: 0000000000000001 R09: 0000000000000001 # [ 35.637820] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 35.645812] R13: ffffbbfa01327f10 R14: ffffbbfa01327f10 R15: ffffa185c404f000 # [ 35.653782] FS: 00007f9da7e00580(0000) GS[ 40.056947] lkdtm: Performing direct entry ACCESS_NULL [ 40.064668] lkdtm: attempting bad read at 0000000000000000 [ 40.070856] BUG: kernel NULL pointer dereference, address: 0000000000000000 :ffffa1863ad00000(0000) knlGS:0000000000000000 # [ 35.662821][ 40.078647] #PF: supervisor read access in kernel mode [ 40.090600] #PF: error_code(0x0000) - not-present page [ 40.096336] PGD 0 P4D 0 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 35.669[ 40.099165] Oops: 0000 [#13] SMP PTI [ 40.109369] CPU: 3 PID: 1842 Comm: cat Tainted: G D W 5.10.165-cip24 #1 [ 40.118020] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 40.124828] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 [ 40.130080] Code: fc 95 fd ff be 00 10 00 00 48 89 ef e8 49 12 3c ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 d8 54 8b b8 e8 d6 95 fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 00 55 8b b8 48 01 [ 40.151067] RSP: 0018:ffffbbfa025efe58 EFLAGS: 00010246 [ 40.156910] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 [ 40.164879] RDX: 0000000000000000 RSI: ffffa1863ad9bf70 RDI: ffffa1863ad9bf70 [ 40.172872] RBP: ffffffffb88b45c9 R08: 0000000000000000 R09: 0000000000000000 [ 40.180848] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 40.188818] R13: ffffbbfa025eff10 R14: ffffbbfa025eff10 R15: ffffa185c4c96000 [ 40.196790] FS: 00007f2f17818580(0000) GS:ffffa1863ad80000(0000) knlGS:0000000000000000 [ 40.205820] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 40.212257] CR2: 0000000000000000 CR3: 0000000104012002 CR4: 00000000003706e0 [ 40.220228] Call Trace: [ 40.222958] direct_entry.cold+0x2c/0x38 [ 40.227338] full_proxy_write+0x53/0x80 [ 40.231619] vfs_write+0xe7/0x3a0 [ 40.235309] ksys_write+0x68/0xf0 [ 40.239000] do_syscall_64+0x30/0x40 [ 40.242990] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 40.248630] RIP: 0033:0x7f2f1772e833 [ 40.252617] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 40.273604] RSP: 002b:00007ffe3ad257c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 40.282061] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f2f1772e833 [ 40.290031] RDX: 000000000000000c RSI: 00007f2f17621000 RDI: 0000000000000001 [ 40.298001] RBP: 00007f2f17621000 R08: 00007f2f17620010 R09: 0000000000000000 [ 40.305971] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 40.313941] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 40.321917] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 263] CR2: ffffffffba00a6a0 CR3: 0000000104f68006 CR4: 0000000000[ 40.348382] CR2: 0000000000000000 [ 40.358295] ---[ end trace a87a77b7dbef1ea2 ]--- [ 40.363450] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 40.367818] Code: 89 ff e8 be 67 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 90 62 92 02 [ 40.388806] RSP: 0018:ffffbbfa01327e60 EFLAGS: 00010286 [ 40.394640] RAX: ffffffffb76e43c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 40.402611] RDX: 0000000000000000 RSI: ffffa1863ac1bf70 RDI: ffffffffb84d0fb0 [ 40.410582] RBP: ffffffffb890fba8 R08: 0000000000000001 R09: 0000000000000001 [ 40.418553] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 40.426524] R13: ffffbbfa01327f10 R14: ffffbbfa01327f10 R15: ffffa185c404f000 [ 40.434495] FS: 00007f2f17818580(0000) GS:ffffa1863ad80000(0000) knlGS:0000000000000000 [ 40.443535] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 40.449952] CR2: 0000000000000000 CR3: 0000000104012002 CR4: 00000000003706e0 3706e0 # [ 35.683448] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 35.693360] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1555, name: cat # [ 35.701806] INFO: lockdep is turned off. # [ 35.706181] irq event stamp: 0 # [ 35.709587] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 35.716586] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 35.725720] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 35.734854] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 35.741852] CPU: 2 PID: 1555 Comm: cat Tainted: G D W 5.10.165-cip24 #1 # [ 35.750503] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 35.757308] Call Trace: # [ 35.760036] dump_stack+0x77/0x9b # [ 35.763734] ___might_sleep.cold+0xa6/0xb6 # [ 35.768307] exit_signals+0x1c/0x2e0 # [ 35.772296] do_exit+0xc2/0xaf0 # [ 35.775800] ? ksys_write+0x68/0xf0 # [ 35.779692] rewind_stack_do_exit+0x17/0x20 # [ 35.784359] RIP: 0033:0x7f9da7d16833 # [ 35.788347] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d [ 40.579011] lkdtm: Performing direct entry WRITE_RO 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [[ 40.587732] lkdtm: attempting bad rodata write at ffffffffb84d1430 35.809329] RSP: 002b:00007ffebe07b228 EFLAGS: 00000246 ORIG_R[ 40.600856] BUG: unable to handle page fault for address: ffffffffb84d1430 [ 40.614731] #PF: supervisor write access in kernel mode [ 40.620557] #PF: error_code(0x0003) - permissions violation [ 40.626779] PGD 122c29067 P4D 122c29067 PUD 122c2a063 PMD 80000001226000e1 [ 40.634563] Oops: 0003 [#14] SMP PTI [ 40.638551] CPU: 0 PID: 1877 Comm: cat Tainted: G D W 5.10.165-cip24 #1 [ 40.647201] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 40.654007] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a [ 40.658972] Code: 00 48 c7 c7 b8 53 8b b8 48 c7 c6 30 14 4d b8 e8 80 98 fd ff 48 8b 05 e3 aa 78 00 ba 34 12 cd ab 48 c7 c7 e8 53 8b b8 48 31 d0 <48> 89 05 cd aa 78 00 e9 5e 98 fd ff 0f 1f 44 00 00 48 8b 05 bc 99 [ 40.679956] RSP: 0018:ffffbbfa02677e60 EFLAGS: 00010202 [ 40.685782] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 [ 40.693753] RDX: 00000000abcd1234 RSI: ffffa1863ac1bf70 RDI: ffffffffb88b53e8 [ 40.701722] RBP: ffffffffb88b45d5 R08: 0000000000000000 R09: 0000000000000000 [ 40.709691] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 [ 40.717661] R13: ffffbbfa02677f10 R14: ffffbbfa02677f10 R15: ffffa185c34d6000 [ 40.725632] FS: 00007fe1c690c580(0000) GS:ffffa1863ac00000(0000) knlGS:0000000000000000 [ 40.734671] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 40.741077] CR2: ffffffffb84d1430 CR3: 0000000104f86001 CR4: 00000000003706f0 [ 40.749045] Call Trace: [ 40.751773] direct_entry.cold+0x2c/0x38 [ 40.756158] full_proxy_write+0x53/0x80 [ 40.760445] vfs_write+0xe7/0x3a0 [ 40.764148] ksys_write+0x68/0xf0 [ 40.767847] do_syscall_64+0x30/0x40 [ 40.771841] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 40.777473] RIP: 0033:0x7fe1c6822833 [ 40.781462] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 40.802435] RSP: 002b:00007ffffd3a2ee8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 40.810889] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007fe1c6822833 [ 40.818858] RDX: 0000000000000009 RSI: 00007fe1c6715000 RDI: 0000000000000001 [ 40.826828] RBP: 00007fe1c6715000 R08: 00007fe1c6714010 R09: 0000000000000000 [ 40.834797] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 40.842767] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 40.850741] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 40.877184] CR2: ffffffffb84d1430 [ 40.880880] ---[ end trace a87a77b7dbef1ea3 ]--- [ 40.886026] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 40.890402] Code: 89 ff e8 be 67 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 90 62 92 02 [ 40.911383] RSP: 0018:ffffbbfa01327e60 EFLAGS: 00010286 [ 40.917217] RAX: ffffffffb76e43c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 40.925186] RDX: 0000000000000000 RSI: ffffa1863ac1bf70 RDI: ffffffffb84d0fb0 [ 40.933156] RBP: ffffffffb890fba8 R08: 0000000000000001 R09: 0000000000000001 [ 40.941117] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 40.949086] R13: ffffbbfa01327f10 R14: ffffbbfa01327f10 R15: ffffa185c404f000 [ 40.957056] FS: 00007fe1c690c580(0000) GS:ffffa1863ac00000(0000) knlGS:0000000000000000 [ 40.966094] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 40.972508] CR2: ffffffffb84d1430 CR3: 0000000104f86001 CR4: 00000000003706f0 [ 40.980478] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 40.990390] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1877, name: cat [ 40.998845] INFO: lockdep is turned off. [ 41.003221] irq event stamp: 0 [ 41.006627] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 41.013627] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 41.022761] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 41.031896] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 41.038896] CPU: 0 PID: 1877 Comm: cat Tainted: G D W 5.10.165-cip24 #1 [ 41.047538] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 41.054341] Call Trace: [ 41.057069] dump_stack+0x77/0x9b [ 41.060775] ___might_sleep.cold+0xa6/0xb6 [ 41.065344] exit_signals+0x1c/0x2e0 [ 41.069339] do_exit+0xc2/0xaf0 [ 41.072843] ? ksys_write+0x68/0xf0 [ 41.076736] rewind_stack_do_exit+0x17/0x20 [ 41.081410] RIP: 0033:0x7fe1c6822833 [ 41.085398] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 41.106380] RSP: 002b:00007ffffd3a2ee8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 41.114827] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007fe1c6822833 [ 41.122794] RDX: 0000000000000009 RSI: 00007fe1c6715000 RDI: 0000000000000001 [ 41.130764] RBP: 00007fe1c6715000 R08: 00007fe1c6714010 R09: 0000000000000000 [ 41.138732] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 41.146703] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 AX: 0000000000000001 # [ 35.817776] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f9da7d16833 # [ 35.825745] RDX: 000000000000000a RSI: 00007f9da7c09000 RDI: 0000000000000001 # [ 35.833714] RBP: 00007f9da7c09000 R08: 00007f9da7c08010 R09: 0000000000000000 # [ 35.841681] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 35.849652] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_DATA: saw 'call trace:': ok ok 30 selftests: lkdtm: EXEC_DATA.sh # selftests: lkdtm: EXEC_STACK.sh # Killed # [ 35.968449] lkdtm: Performing direct entry EXEC_STACK # [ 35.975198] lkdtm: attempting ok execution at ffffffffb76e4790 # [ 35.987935] lkdtm: attempting bad execution at ffffbbfa0218fe18 # [ 36.000781] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 36.015312] BUG: unable to handle page fault for address: ffffbbfa0218fe18 # [ 36.022990] #PF: supervisor instruction fetch in kernel mode # [ 36.029308] #PF: error_code(0x0011) - permissions violation # [ 36.035529] PGD 100000067 P4D 100000067 PUD 10020b067 PMD 103769067 PTE 8000000104dc6063 # [ 36.044576] Oops: 0011 [#6] SMP PTI # [ 36.048469] CPU: 0 PID: 1591 Comm: cat Tainted: G D W 5.10.165-cip24 #1 # [ 36.057120] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 36.063924] RIP: 0010:0xffffbbfa0218fe18 # [ 36.068301] Code: 00 00 18 fe 18 02 fa bb ff ff 1d 69 d4 b7 ff ff ff ff 20 00 00 00 00 00 00 00 6e 45 8b b8 ff ff ff ff 4c 6a d4 b7 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 # [ 36.089275] RSP: 0018:ffffbbfa02[ 41.311090] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT [ 41.322832] lkdtm: attempting bad ro_after_init write at ffffffffb8930330 [ 41.330463] BUG: unable to handle page fault for address: ffffffffb8930330 18[fdf8 EFLAGS: 00010246 # [ 36.095099] RAX: 0000000000000033 41.338156] #PF: supervisor write access in kernel mode [ 41.350207] #PF: error_code(0x0003) - permissions violation RBX: 0000000000000001 RCX: 0000000000000000 # [ 36.103067] RD[ 41.356420] PGD 122c29067 P4D 122c29067 PUD 122c2a063 PMD 104c92063 PTE 8000000122b30061 [ 41.371681] Oops: 0003 [#15] SMP PTI [ 41.375669] CPU: 2 PID: 1912 Comm: cat Tainted: G D W 5.10.165-cip24 #1 [ 41.384312] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 41.391121] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a [ 41.397150] Code: 54 8b b8 e9 32 98 fd ff 48 c7 c7 40 54 8b b8 e8 26 98 fd ff 48 8b 05 89 99 be 00 ba 34 12 cd ab 48 c7 c7 e8 53 8b b8 48 31 d0 <48> 89 05 73 99 be 00 e9 04 98 fd ff 0f 1f 44 00 00 41 54 48 c7 c7 [ 41.418126] RSP: 0018:ffffbbfa026efe60 EFLAGS: 00010202 [ 41.423952] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 [ 41.431921] RDX: 00000000abcd1234 RSI: ffffa1863ad1bf70 RDI: ffffffffb88b53e8 [ 41.439901] RBP: ffffffffb88b45de R08: 0000000000000000 R09: 0000000000000000 [ 41.447872] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 [ 41.455851] R13: ffffbbfa026eff10 R14: ffffbbfa026eff10 R15: ffffa185c4d28000 [ 41.463839] FS: 00007f727ecf7580(0000) GS:ffffa1863ad00000(0000) knlGS:0000000000000000 X: 0000000000000000 RSI: ffffa1863ac1bf70 RDI: ffffa1863ac1bf70 [ 41.472886] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.485516] CR2: ffffffffb8930330 CR3: 00000001029a6001 CR4: 00000000003706e0 [ 41.493486] Call Trace: [ 41.496214] direct_entry.cold+0x2c/0x38 [ 41.500593] full_proxy_write+0x53/0x80 [ 41.504875] vfs_write+0xe7/0x3a0 [ 41.508575] ksys_write+0x68/0xf0 [ 41.512273] do_syscall_64+0x30/0x40 [ 41.516261] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 41.521903] RIP: 0033:0x7f727ec0d833 [ 41.525900] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 41.546901] RSP: 002b:00007ffe9ec849e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 41.555358] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f727ec0d833 [ 41.563327] RDX: 0000000000000014 RSI: 00007f727eb00000 RDI: 0000000000000001 [ 41.571296] RBP: 00007f727eb00000 R08: 00007f727eaff010 R09: 0000000000000000 [ 41.579266] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 41.587235] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 41.595210] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 36.111036] RBP: ffffbbfa0218fe18 R08: 0000000000000000 R0[ 41.621678] CR2: ffffffffb8930330 [ 41.631589] ---[ end trace a87a77b7dbef1ea4 ]--- [ 41.636744] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 41.641121] Code: 89 ff e8 be 67 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 90 62 92 02 [ 41.662106] RSP: 0018:ffffbbfa01327e60 EFLAGS: 00010286 [ 41.667940] RAX: ffffffffb76e43c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 41.675909] RDX: 0000000000000000 RSI: ffffa1863ac1bf70 RDI: ffffffffb84d0fb0 [ 41.683893] RBP: ffffffffb890fba8 R08: 0000000000000001 R09: 0000000000000001 [ 41.691900] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 41.699870] R13: ffffbbfa01327f10 R14: ffffbbfa01327f10 R15: ffffa185c404f000 [ 41.707841] FS: 00007f727ecf7580(0000) GS:ffffa1863ad00000(0000) knlGS:0000000000000000 [ 41.716894] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.723304] CR2: ffffffffb8930330 CR3: 00000001029a6001 CR4: 00000000003706e0 9: 0000000000000000 # [ 36.119005] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 36.126973] R13: ffffbbfa0218ff10 R14: ffffbbfa0218ff10 R15: ffffa185c2c2c000 # [ 36.134944] FS: 00007f1ad9611580(0000) GS:ffffa1863ac00000(0000) knlGS:0000000000000000 # [ 36.143972] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 36.150387] CR2: ffffbbfa0218fe18 CR3: 0000000102d5e002 CR4: 00000000003706f0 # [ 36.158357] Call Trace: # [ 36.161086] ? execute_location+0x45/0x56 # [ 36.165565] ? lkdtm_EXEC_STACK+0x26/0x44 # [ 36.170040] ? direct_entry.cold+0x2c/0x38 # [ 36.174616] ? full_proxy_write+0x53/0x80 # [ 36.179097] ? vfs_write+0xe7/0x3a0 # [ 36.182988] ? ksys_write+0x68/0xf0 # [ 36.186901] ? do_syscall_64+0x30/0x40 # [ 36.191083] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 36.196921] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 36.223364] CR2: ffffbb[ 41.841830] lkdtm: Performing direct entry WRITE_KERN fa0218fe18 # [ 36.227062] ---[ end trace a87a77b7dbef1e9b ]--[ 41.848847] lkdtm: attempting bad 6693175 byte write at ffffffffb7d468c7 - # [ 36.232216] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 36.23659[ 41.862579] BUG: unable to handle page fault for address: ffffffffb7d468c7 [ 41.876433] #PF: supervisor write access in kernel mode [ 41.882267] #PF: error_code(0x0003) - permissions violation [ 41.888490] PGD 122c29067 P4D 122c29067 PUD 122c2a063 PMD 121e000e1 [ 41.895587] Oops: 0003 [#16] SMP PTI [ 41.899577] CPU: 0 PID: 1947 Comm: cat Tainted: G D W 5.10.165-cip24 #1 [ 41.908227] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 41.915035] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e [ 41.920194] Code: 53 48 c7 c3 c7 68 d4 b7 49 89 dc 48 89 da 49 81 ec 90 47 6e b7 4c 89 e6 e8 d9 97 fd ff 48 89 df 4c 89 e1 48 c7 c6 90 47 6e b7 a4 48 c7 c7 e8 53 8b b8 e8 be 97 fd ff 5b 41 5c e9 b7 fe ff ff [ 41.941178] RSP: 0018:ffffbbfa0276fe50 EFLAGS: 00010246 [ 41.947012] RAX: 000000000000003c RBX: ffffffffb7d468c7 RCX: 0000000000662137 [ 41.954981] RDX: 0000000000000000 RSI: ffffffffb76e4790 RDI: ffffffffb7d468c7 [ 41.962951] RBP: ffffffffb88b45f2 R08: 0000000000000000 R09: 0000000000000000 [ 41.970921] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000662137 [ 41.978890] R13: ffffbbfa0276ff10 R14: ffffbbfa0276ff10 R15: ffffa185c4de8000 [ 41.986859] FS: 00007fb47a747580(0000) GS:ffffa1863ac00000(0000) knlGS:0000000000000000 [ 41.995897] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.002314] CR2: ffffffffb7d468c7 CR3: 00000001029a6005 CR4: 00000000003706f0 [ 42.010284] Call Trace: [ 42.013014] direct_entry.cold+0x2c/0x38 [ 42.017399] full_proxy_write+0x53/0x80 [ 42.021686] vfs_write+0xe7/0x3a0 [ 42.025390] ksys_write+0x68/0xf0 [ 42.029089] do_syscall_64+0x30/0x40 [ 42.033084] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 42.038726] RIP: 0033:0x7fb47a65d833 [ 42.042715] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 42.063698] RSP: 002b:00007ffcbef20b48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 42.072145] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007fb47a65d833 [ 42.080114] RDX: 000000000000000b RSI: 00007fb47a550000 RDI: 0000000000000001 [ 42.088084] RBP: 00007fb47a550000 R08: 00007fb47a54f010 R09: 0000000000000000 [ 42.096053] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 42.104021] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 42.111995] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 42.138436] CR2: ffffffffb7d468c7 [ 42.142135] ---[ end trace a87a77b7dbef1ea5 ]--- [ 42.147289] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 42.151665] Code: 89 ff e8 be 67 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 90 62 92 02 [ 42.172648] RSP: 0018:ffffbbfa01327e60 EFLAGS: 00010286 [ 42.178482] RAX: ffffffffb76e43c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 42.186452] RDX: 0000000000000000 RSI: ffffa1863ac1bf70 RDI: ffffffffb84d0fb0 [ 42.194422] RBP: ffffffffb890fba8 R08: 0000000000000001 R09: 0000000000000001 [ 42.202393] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 42.210354] R13: ffffbbfa01327f10 R14: ffffbbfa01327f10 R15: ffffa185c404f000 [ 42.218324] FS: 00007fb47a747580(0000) GS:ffffa1863ac00000(0000) knlGS:0000000000000000 [ 42.227361] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.233776] CR2: ffffffffb7d468c7 CR3: 00000001029a6005 CR4: 00000000003706f0 [ 42.241747] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 42.251653] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1947, name: cat [ 42.260099] INFO: lockdep is turned off. [ 42.264475] irq event stamp: 0 [ 42.267881] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 42.274881] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 42.284007] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 42.293141] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 42.300140] CPU: 0 PID: 1947 Comm: cat Tainted: G D W 5.10.165-cip24 #1 [ 42.308790] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 42.315595] Call Trace: [ 42.318324] dump_stack+0x77/0x9b [ 42.322028] ___might_sleep.cold+0xa6/0xb6 [ 42.326607] exit_signals+0x1c/0x2e0 [ 42.330596] do_exit+0xc2/0xaf0 [ 42.334100] ? ksys_write+0x68/0xf0 [ 42.337991] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 [ 42.343437] rewind_stack_do_exit+0x17/0x20 [ 42.348106] RIP: 0033:0x7fb47a65d833 [ 42.352085] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 42.373067] RSP: 002b:00007ffcbef20b48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 42.381525] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007fb47a65d833 [ 42.389494] RDX: 000000000000000b RSI: 00007fb47a550000 RDI: 0000000000000001 [ 42.397462] RBP: 00007fb47a550000 R08: 00007fb47a54f010 R09: 0000000000000000 [ 42.405432] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 42.413402] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 3] Code: 89 ff e8 be 67 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 90 62 92 02 # [ 36.257576] RSP: 0018:ffffbbfa01327e60 EFLAGS: 00010286 # [ 36.263410] RAX: ffffffffb76e43c0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 36.271377] RDX: 0000000000000000 RSI: ffffa1863ac1bf70 RDI: ffffffffb84d0fb0 # [ 36.279345] RBP: ffffffffb890fba8 R08: 0000000000000001 R09: 0000000000000001 # [ 36.287314] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 36.295284] R13: ffffbbfa01327f10 R14: ffffbbfa01327f10 R15: ffffa185c404f000 # [ 36.303255] FS: 00007f1ad9611580(0000) GS:ffffa1863ac00000(0000) knlGS:0000000000000000 # [ 36.312285] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 36.318701] CR2: ffffbbfa0218fe18 CR3: 0000000102d5e002 CR4: 00000000003706f0 # EXEC_STACK: saw 'call trace:': ok ok 31 selftests: lkdtm: EXEC_STACK.sh # selftests: lkdtm: EXEC_KMALLOC.sh # Killed # [ 36.492279] lkdtm: Performing direct entry EXEC_KMALLOC # [ 36.500370] lkdtm: attempting ok execution at ffffffffb76e4790 # [ 36.513128] lkdtm: attempting bad execution at ffffa185c35a7dc0 # [ 36.525960] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 36.540492] BUG: unable to handle page fault for address: ffffa185c35a7dc0 # [ 36.548170] #PF: supervisor instruction fetch in kernel mode # [ 36.554488] #PF: error_code(0x0011) - permissions violation # [ 36.560708] PGD 124401067 P4D 124401067 PUD 100214063 PMD 1055a0063 PTE 80000001035a7063 # [ 36.569756] Oops: 0011 [#7] SMP PTI # [ 36.573639] CPU: 0 PID: 1627 Comm: cat Tainted: G D W 5.10.165-cip24 #1 # [ 36.582287] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 36.589092] RIP: 0010:0xffffa185c35a7dc0 # [ 36.593468] Code: ff ff 50 7b 5a c3 85 a1 ff ff c0 a3 32 c3 85 a1 ff ff 0[ 42.612582] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW 0 6c 7e c4 85 a1 ff ff 00 4a 0e 44 d7 e5 ff ff 00 80 92 c3 85 a1[ 42.620955] lkdtm: attempting good refcount_inc() without overflow ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 4[ 42.634080] lkdtm: attempting bad refcount_inc() overflow [ 42.646324] ------------[ cut here ]------------ 4 00 00 55 # [ 36.614451] RSP: 0018:ffffbbfa0222fe38 EFLAGS: [ 42.651482] refcount_t: saturated; leaking memory. 00010246 # [ 36.620283] RAX: 0000000000000033 RBX: 0000000000[ 42.663074] WARNING: CPU: 1 PID: 1982 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 000001 RCX: 0000000000000000 # [ 36.628252] RDX: 000000000000[ 42.678693] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 0000 RSI: ffffa1863ac1bf70 RDI: ffffa1863ac1bf70 # [ 36.63621[ 42.711343] CPU: 1 PID: 1982 Comm: cat Tainted: G D W 5.10.165-cip24 #1 9] RBP: ffffa185c35a7dc0 R08: 0000000000000000 R09: 000000000000[ 42.726212] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 0000 # [ 36.644187] R10: 00000000ffffe000 R11: 3fffffffffffff[ 42.739241] RIP: 0010:refcount_warn_saturate+0x51/0x110 ff R12: 000000000000000d # [ 36.652154] R13: ffffbbfa0222ff10[ 42.751324] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 54 ed 93 01 00 75 ee 48 c7 c7 88 fc 84 b8 c6 05 44 ed 93 01 01 e8 86 b4 95 00 <0f> 0b c3 cc cc cc cc 80 3d 30 ed 93 01 00 75 cb 48 c7 c7 b0 fc 84 R14: ffffbbfa0222ff10 R15: ffffa185c406e000 # [ 36.660124] F[ 42.778506] RSP: 0018:ffffbbfa0282fe48 EFLAGS: 00010286 S: 00007f53ead6d580(0000) GS:ffffa1863ac00000(0000) knlGS:00000[ 42.790558] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 00000000000 # [ 36.669163] CS: 0010 DS: 0000 ES: 0000 CR0: 0[ 42.804750] RDX: ffffa1863acac660 RSI: ffffa1863ac9bf70 RDI: ffffa1863ac9bf70 000000080050033 # [ 36.675577] CR2: ffffa185c35a7dc0 CR3: 000[ 42.818942] RBP: ffffffffb88b45fd R08: 0000000000000000 R09: 0000000000000000 0000102d8a001 CR4: 00000000003706f0 # [ 36.683545] Call Trace[ 42.833132] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 [ 42.847323] R13: ffffbbfa0282ff10 R14: ffffbbfa0282ff10 R15: ffffa185c554d000 : # [ 36.686273] ? execute_location+0x45/0x56 # [ 36.6907[ 42.855300] FS: 00007fbb8e66e580(0000) GS:ffffa1863ac80000(0000) knlGS:0000000000000000 54] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 # [ 36.695428] ? direct_[ 42.870553] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 entry.cold+0x2c/0x38 # [ 36.699992] ? full_proxy_write+0x53/[ 42.883191] CR2: 00007fbb8e477000 CR3: 0000000104e3c006 CR4: 00000000003706e0 [ 42.897382] Call Trace: 0x80 # [ 36.704466] ? vfs_write+0xe7/0x3a0 # [ 36.708359][ 42.900116] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 ? ksys_write+0x68/0xf0 # [ 36.712251] ? do_syscall_64+0x30[ 42.911683] direct_entry.cold+0x2c/0x38 /0x40 # [ 36.716433] ? entry_SYSCALL_64_after_hwframe+0x61/0[ 42.922278] full_proxy_write+0x53/0x80 xc6 # [ 36.722269] Modules linked in: fuse ip_tables cros_ec_[ 42.932776] vfs_write+0xe7/0x3a0 sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo[ 42.942692] ksys_write+0x68/0xf0 _buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sys[ 42.952611] do_syscall_64+0x30/0x40 fs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_[ 42.962838] entry_SYSCALL_64_after_hwframe+0x61/0xc6 dev cros_usbpd_notify # [ 36.748708] CR2: ffffa185c35a7dc0 #[ 42.974704] RIP: 0033:0x7fbb8e584833 [ 42.984914] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 36.752406] ---[ end trace a87a77b7dbef1e9c ]--- # [ 36.7[ 43.005941] RSP: 002b:00007fff45576f28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 43.020596] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fbb8e584833 57550] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 36.761927] Code: 89 f[ 43.028570] RDX: 0000000000000016 RSI: 00007fbb8e477000 RDI: 0000000000000001 [ 43.042756] RBP: 00007fbb8e477000 R08: 00007fbb8e476010 R09: 0000000000000000 f e8 be 67 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff[ 43.050730] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 43.064915] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0[ 43.072945] irq event stamp: 0 [ 43.082544] hardirqs last enabled at (0): [<0000000000000000>] 0x0 b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 90 62 92 02 #[ 43.089551] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 43.104919] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 36.782908] RSP: 0018:ffffbbfa01327e60 EFLAGS: 00010286 # [[ 43.114060] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 43.127274] ---[ end trace a87a77b7dbef1ea6 ]--- 36.788742] RAX: ffffffffb76e43c0 RBX: 0000000000000001 RCX: 0[ 43.132434] lkdtm: Overflow detected: saturated 000000000000000 # [ 36.796711] RDX: 0000000000000000 RSI: ffffa1863ac1bf70 RDI: ffffffffb84d0fb0 # [ 36.804681] RBP: ffffffffb890fba8 R08: 0000000000000001 R09: 0000000000000001 # [ 36.812650] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 36.820618] R13: ffffbbfa01327f10 R14: ffffbbfa01327f10 R15: ffffa185c404f000 # [ 36.828588] FS: 00007f53ead6d580(0000) GS:ffffa1863ac00000(0000) knlGS:0000000000000000 # [ 36.837625] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 36.844040] CR2: ffffa185c35a7dc0 CR3: 0000000102d8a001 CR4: 00000000003706f0 # EXEC_KMALLOC: saw 'call trace:': ok ok 32 selftests: lkdtm: EXEC_KMALLOC.sh # selftests: lkdtm: EXEC_VMALLOC.sh # Killed # [ 36.981462] lkdtm: Performing direct entry EXEC_VMALLOC # [ 36.988433] lkdtm: attempting ok execution at ffffffffb76e4790 # [ 36.995001] lkdtm: attempting bad execution at ffffbbfa0036d000 # [ 37.001688] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 37.010059] BUG: unable to handle page fault for address: ffffbbfa0036d000 # [ 37.023949] #PF: supervisor instruction fetch in kernel mode # [ 37.030256] #PF: error_code(0x0011) - permissions violation # [ 37.036477] PGD 100000067 P4D 100000067 PUD 10020b067 PMD 101279067 PTE 800000010375c063 # [ 37.045519] Oops: 0011 [#8] SMP PTI # [ 37.049410] CPU: 3 PID: 1663 Comm: c[ 43.276466] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW at Tainted: G D W 5.10.165-cip24 #1 # [ 37.05806[ 43.287271] lkdtm: attempting good refcount_add() without overflow 0] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ [ 43.300406] lkdtm: attempting bad refcount_add() overflow 37.064868] RIP: 0010:0xffffbbfa0036d000 # [ 37.069246] Code: [ 43.312670] ------------[ cut here ]------------ Unable to access opcode bytes at RIP 0xffffbbfa0036cfd6. # [ [ 43.324041] refcount_t: saturated; leaking memory. 37.076928] RSP: 0018:ffffbbfa022d7e38 EFLAGS: 00010246 # [ 37[ 43.335620] WARNING: CPU: 0 PID: 2014 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 .088974] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 000000[ 43.351278] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 0000000000 # [ 37.096945] RDX: 0000000000000000 RSI: ffffa186[ 43.383936] CPU: 0 PID: 2014 Comm: cat Tainted: G D W 5.10.165-cip24 #1 3ad9bf70 RDI: ffffa1863ad9bf70 # [ 37.104914] RBP: ffffbbfa00[ 43.398784] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 36d000 R08: 0000000000000000 R09: 0000000000000000 # [ 37.112[ 43.411839] RIP: 0010:refcount_warn_saturate+0x51/0x110 915] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000[ 43.423875] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 54 ed 93 01 00 75 ee 48 c7 c7 88 fc 84 b8 c6 05 44 ed 93 01 01 e8 86 b4 95 00 <0f> 0b c3 cc cc cc cc 80 3d 30 ed 93 01 00 75 cb 48 c7 c7 b0 fc 84 00000d # [ 37.120898] R13: ffffbbfa022d7f10 R14: ffffbbfa022d[ 43.451094] RSP: 0018:ffffbbfa02897e48 EFLAGS: 00010286 7f10 R15: ffffa185c375c000 # [ 37.128869] FS: 00007f6c73f4c5[ 43.463153] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 80(0000) GS:ffffa1863ad80000(0000) knlGS:0000000000000000 # [ [ 43.477366] RDX: ffffa1863ac2c660 RSI: ffffa1863ac1bf70 RDI: ffffa1863ac1bf70 37.137906] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 #[ 43.491569] RBP: ffffffffb88b4613 R08: 0000000000000000 R09: 0000000000000000 [ 37.144323] CR2: ffffbbfa0036cfd6 CR3: 0000000104048002 CR4:[ 43.505774] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 00000000003706e0 # [ 37.152292] Call Trace: # [ 37.155020[ 43.519976] R13: ffffbbfa02897f10 R14: ffffbbfa02897f10 R15: ffffa185c2d3b000 ] ? execute_location+0x45/0x56 # [ 37.159497] ? lkdtm_EXEC_[ 43.534191] FS: 00007efcc95ff580(0000) GS:ffffa1863ac00000(0000) knlGS:0000000000000000 VMALLOC+0x20/0x30 # [ 37.164167] ? direct_entry.cold+0x2c/0x[ 43.549458] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 38 # [ 37.168741] ? full_proxy_write+0x53/0x80 # [ 37.173[ 43.562116] CR2: 00007efcc9408000 CR3: 00000001029ea003 CR4: 00000000003706f0 216] ? vfs_write+0xe7/0x3a0 # [ 37.177099] ? ksys_write+0x6[ 43.576308] Call Trace: 8/0xf0 # [ 37.180984] ? do_syscall_64+0x30/0x40 # [ 37.18[ 43.585279] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 5165] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 37.1910[ 43.596929] direct_entry.cold+0x2c/0x38 03] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_se[ 43.607503] full_proxy_write+0x53/0x80 nsors_core industrialio_triggered_buffer kfifo_buf industrialio [ 43.618122] vfs_write+0xe7/0x3a0 cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs[ 43.628052] ksys_write+0x68/0xf0 cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_not[ 43.637955] do_syscall_64+0x30/0x40 ify # [ 37.217467] CR2: ffffbbfa0036d000 # [ 37.227378] --[ 43.648190] entry_SYSCALL_64_after_hwframe+0x61/0xc6 -[ end trace a87a77b7dbef1e9d ]--- # [ 37.232523] RIP: 0010:l[ 43.660049] RIP: 0033:0x7efcc9515833 kdtm_BUG+0x5/0x10 # [ 37.236901] Code: 89 ff e8 be 67 a3 ff 4[ 43.670290] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 8 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48[ 43.697516] RSP: 002b:00007ffea32a1778 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 0[ 43.712223] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007efcc9515833 0 00 00 00 0f 1f 44 00 00 83 05 90 62 92 02 # [ 37.257877] RS[ 43.726444] RDX: 0000000000000016 RSI: 00007efcc9408000 RDI: 0000000000000001 P: 0018:ffffbbfa01327e60 EFLAGS: 00010286 # [ 37.263712] RAX:[ 43.740629] RBP: 00007efcc9408000 R08: 00007efcc9407010 R09: 0000000000000000 ffffffffb76e43c0 RBX: 0000000000000001 RCX: 0000000000000000 #[ 43.754847] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 37.271681] RDX: 0000000000000000 RSI: ffffa1863ac1bf70 RDI:[ 43.769094] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ffffffffb84d0fb0 # [ 37.279652] RBP: ffffffffb890fba8 R08: 0[ 43.783295] irq event stamp: 0 000000000000001 R09: 0000000000000001 # [ 37.287622] R10: 000[ 43.792954] hardirqs last enabled at (0): [<0000000000000000>] 0x0 00000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ [ 43.806200] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 37.295590] R13: ffffbbfa01327f10 R14: ffffbbfa01327f10 R15: fff[ 43.821529] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 fa185c404f000 # [ 37.303560] FS: 00007f6c73f4c580(0000) GS:f[ 43.836920] softirqs last disabled at (0): [<0000000000000000>] 0x0 fffa1863ad80000(0000) knlGS:0000000000000000 # [ 37.312597] C[ 43.850191] ---[ end trace a87a77b7dbef1ea7 ]--- S: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 37.31901[ 43.861554] lkdtm: Overflow detected: saturated 1] CR2: ffffbbfa0036cfd6 CR3: 0000000104048002 CR4: 00000000003706e0 # [ 37.326983] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 37.336900] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1663, name: cat # [ 37.345356] INFO: lockdep is turned off. # [ 37.349731] irq event stamp: 0 # [ 37.353137] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 37.360135] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 37.369272] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 37.378406] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 37.385406] CPU: 3 PID: 1663 Comm: cat Tainted: G D W 5.10.165-cip24 #1 # [ 37.394057] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 37.400862] Call Trace: # [ 37.403589] dump_stack+0x77/0x9b # [ 37.407287] ___might_sleep.cold+0xa6/0xb6 # [ 37.411861] exit_signals+0x1c/0x2e0 # [ 37.415853] do_exit+0xc2/0xaf0 # [ 37.419358] ? ksys_write+0x68/0xf0 # [ 37.423250] rewind_stack_do_exit+0x17/0x20 # [ 37.427918] RIP: 0033:0x7f6c73e62833 # [ 37.431906] Code: 8b 15 61[ 43.987865] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 [ 43.998545] lkdtm: attempting bad refcount_inc_not_zero() overflow 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00[ 44.011658] ------------[ cut here ]------------ f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ [ 44.023011] refcount_t: saturated; leaking memory. 37.452903] RSP: 002b:00007fff39879118 EFLAGS: 00000246 ORIG_RAX[ 44.034624] WARNING: CPU: 0 PID: 2046 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 : 0000000000000001 # [ 37.461362] RAX: ffffffffffffffda RBX: [ 44.050256] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 000000000000000d RCX: 00007f6c73e62833 # [ 37.469332] RDX: 00[ 44.082921] CPU: 0 PID: 2046 Comm: cat Tainted: G D W 5.10.165-cip24 #1 0000000000000d RSI: 00007f6c73d55000 RDI: 0000000000000001 # [ [ 44.097769] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 37.477299] RBP: 00007f6c73d55000 R08: 00007f6c73d54010 R09: 00[ 44.110803] RIP: 0010:refcount_warn_saturate+0x97/0x110 00000000000000 # [ 37.485270] R10: fffffffffffffbc5 R11: 0000[ 44.122876] Code: 01 01 e8 63 b4 95 00 0f 0b c3 cc cc cc cc 80 3d 0f ed 93 01 00 75 a8 48 c7 c7 88 fc 84 b8 c6 05 ff ec 93 01 01 e8 40 b4 95 00 <0f> 0b c3 cc cc cc cc 80 3d e9 ec 93 01 00 75 85 48 c7 c7 e0 fc 84 000000000246 R12: 0000000000000001 # [ 37.493239] R13: 000000[ 44.150112] RSP: 0018:ffffbbfa02907e38 EFLAGS: 00010282 0000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_V[ 44.162152] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 MALLOC: saw 'call trace:': ok ok 33 selftests: lkdtm: EXEC_VMAL[ 44.176377] RDX: ffffa1863ac2c660 RSI: ffffa1863ac1bf70 RDI: ffffa1863ac1bf70 LOC.sh # selftests: lkdtm: EXEC_RODATA.sh # Killed # [ 37.6[ 44.190535] RBP: ffffffffb88b4250 R08: 0000000000000000 R09: 0000000000000000 12506] lkdtm: Performing direct entry EXEC_RODATA # [ 37.6188[ 44.204747] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f 80] lkdtm: attempting ok execution at ffffffffb76e4790 # [ 37[ 44.218938] R13: ffffbbfa02907f10 R14: ffffbbfa02907f10 R15: ffffa185c3466000 .631612] lkdtm: attempting bad execution at ffffffffb84d1440 # [ 44.233172] FS: 00007fa728da1580(0000) GS:ffffa1863ac00000(0000) knlGS:0000000000000000 [ 37.644458] kernel tried to execute NX-protected page - explo[ 44.248389] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 it attempt? (uid: 0) # [ 37.659007] BUG: unable to handle pag[ 44.261032] CR2: 00007fa728baa000 CR3: 000000010550e001 CR4: 00000000003706f0 e fault for address: ffffffffb84d1440 # [ 37.666687] #PF: sup[ 44.275222] Call Trace: ervisor instruction fetch in kernel mode # [ 37.679216] #PF: [ 44.284183] __refcount_add_not_zero.constprop.0+0x2a/0x35 error_code(0x0011) - permissions violation # [ 37.685438] PGD[ 44.296508] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 122c29067 P4D 122c29067 PUD 122c2a063 PMD 80000001226000e1 # [ 44.308995] direct_entry.cold+0x2c/0x38 [ 37.699433] Oops: 0011 [#9] SMP PTI # [ 37.703316] CPU: 1 [ 44.319554] full_proxy_write+0x53/0x80 PID: 1699 Comm: cat Tainted: G D W 5.10.165-cip24 #[ 44.330081] vfs_write+0xe7/0x3a0 1 # [ 37.711956] Hardware name: Google Rammus/Rammus, BIOS 0[ 44.339979] ksys_write+0x68/0xf0 9/04/2020 # [ 37.718763] RIP: 0010:lkdtm_rodata_do_nothing+0x[ 44.349968] do_syscall_64+0x30/0x40 0/0x10 # [ 37.724502] Code: ff ff bc 7e d4 b7 ff ff ff ff ba [ 44.360131] entry_SYSCALL_64_after_hwframe+0x61/0xc6 47 8b b8 ff ff ff ff 02 66 d4 b7 ff ff ff ff 55 aa 55 aa 00 00 0[ 44.372002] RIP: 0033:0x7fa728cb7833 0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 44.382201] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 00 00 00 00 00 54 68 69 73 20 69 # [ 37.751702] RSP: 0018:fff[ 44.409421] RSP: 002b:00007ffc7d0f4eb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 fbbfa02367e48 EFLAGS: 00010246 # [ 37.757538] RAX: 0000000000[ 44.424096] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fa728cb7833 000033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 37.765[ 44.438299] RDX: 000000000000001f RSI: 00007fa728baa000 RDI: 0000000000000001 508] RDX: 0000000000000000 RSI: ffffa1863ac9bf70 RDI: ffffa1863a[ 44.452475] RBP: 00007fa728baa000 R08: 00007fa728ba9010 R09: 0000000000000000 c9bf70 # [ 37.773478] RBP: ffffffffb84d1440 R08: 000000000000[ 44.466708] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 0000 R09: 0000000000000000 # [ 37.781449] R10: 00000000ffffe0[ 44.480876] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 00 R11: 3fffffffffffffff R12: 000000000000000c # [ 37.789419][ 44.495106] irq event stamp: 0 R13: ffffbbfa02367f10 R14: ffffbbfa02367f10 R15: ffffa185c420b0[ 44.504693] hardirqs last enabled at (0): [<0000000000000000>] 0x0 00 # [ 37.797389] FS: 00007f3822805580(0000) GS:ffffa1863ac8[ 44.517937] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 0000(0000) knlGS:0000000000000000 # [ 37.806429] CS: 0010 DS[ 44.533286] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 : 0000 ES: 0000 CR0: 0000000080050033 # [ 37.812847] CR2: fff[ 44.548655] softirqs last disabled at (0): [<0000000000000000>] 0x0 fffffb84d1440 CR3: 000000010333c003 CR4: 00000000003706e0 # [ [ 44.561894] ---[ end trace a87a77b7dbef1ea8 ]--- 37.820809] Call Trace: # [ 37.823538] ? execute_location+0x[ 44.573259] lkdtm: Overflow detected: saturated 45/0x56 # [ 37.828016] ? direct_entry.cold+0x2c/0x38 # [ 37.832590] ? full_proxy_write+0x53/0x80 # [ 37.837067] ? vfs_write+0xe7/0x3a0 # [ 37.840961] ? ksys_write+0x68/0xf0 # [ 37.844852] ? do_syscall_64+0x30/0x40 # [ 37.849038] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 37.861090] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 37.893730] CR2: ffffffffb84d1440 # [ 37.897428] ---[ end trace a87a77b7dbef1e9e ]--- # [ 37.902583] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 37.906951] Code: 89 ff e8 be 67 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 90 62 92 02 # [ 37.927937] RSP: 0018:ffffbbfa01327e60 EFLAGS: 00010286 # [ 37.933771] RAX: ffffffffb76e43c0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 37.941741] RDX: 0000000000000000 RSI: ffffa1863ac1bf70 RDI: ffffffffb84d0fb0 # [ 37.949711] RBP: ffffffffb890fba8 R08: 0000000000000001 R09: 0000000000000001 # [ 37.957681] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 37.965649[ 44.714616] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW ] R13: ffffbbfa01327f10 R14: ffffbbfa01327f10 R15: ffffa185c404f[ 44.722645] lkdtm: attempting bad refcount_add_not_zero() overflow 000 # [ 37.973619] FS: 00007f3822805580(0000) GS:ffffa1863ac[ 44.735807] ------------[ cut here ]------------ 80000(0000) knlGS:0000000000000000 # [ 37.982657] CS: 0010 D[ 44.747199] refcount_t: saturated; leaking memory. S: 0000 ES: 0000 CR0: 0000000080050033 # [ 37.989073] CR2: ff[ 44.758779] WARNING: CPU: 0 PID: 2078 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 ffffffb84d1440 CR3: 000000010333c003 CR4: 00000000003706e0 # EX[ 44.774435] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify EC_RODATA: saw 'call trace:': ok ok 34 selftests: lkdtm: EXEC_R[ 44.807076] CPU: 0 PID: 2078 Comm: cat Tainted: G D W 5.10.165-cip24 #1 ODATA.sh # selftests: lkdtm: EXEC_USERSPACE.sh # Killed # [ [ 44.821952] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 38.102657] lkdtm: Performing direct entry EXEC_USERSPACE # [ [ 44.834982] RIP: 0010:refcount_warn_saturate+0x97/0x110 38.114964] lkdtm: attempting ok execution at ffffffffb76e4790 [ 44.847038] Code: 01 01 e8 63 b4 95 00 0f 0b c3 cc cc cc cc 80 3d 0f ed 93 01 00 75 a8 48 c7 c7 88 fc 84 b8 c6 05 ff ec 93 01 01 e8 40 b4 95 00 <0f> 0b c3 cc cc cc cc 80 3d e9 ec 93 01 00 75 85 48 c7 c7 e0 fc 84 # [ 38.127729] lkdtm: attempting bad execution at 00007f0bbcf2[ 44.874239] RSP: 0018:ffffbbfa0295fe38 EFLAGS: 00010282 0000 # [ 38.140547] unable to execute userspace code (SMEP?) [ 44.886313] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 (uid: 0) # [ 38.153152] BUG: unable to handle page fault for [ 44.900543] RDX: ffffa1863ac2c660 RSI: ffffa1863ac1bf70 RDI: ffffa1863ac1bf70 address: 00007f0bbcf20000 # [ 38.160832] #PF: supervisor inst[ 44.914701] RBP: ffffffffb88b4270 R08: 0000000000000000 R09: 0000000000000000 ruction fetch in kernel mode # [ 38.173362] #PF: error_code(0[ 44.929017] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f x0011) - permissions violation # [ 38.179584] PGD 80000001026[ 44.943144] R13: ffffbbfa0295ff10 R14: ffffbbfa0295ff10 R15: ffffa185c2732000 f3067 P4D 80000001026f3067 PUD 1026f2067 PMD 1035e7067 PTE 109ea[ 44.957384] FS: 00007fe41191e580(0000) GS:ffffa1863ac00000(0000) knlGS:0000000000000000 0067 # [ 38.195523] Oops: 0011 [#10] SMP PTI # [ 38.199512[ 44.972606] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 ] CPU: 1 PID: 1735 Comm: cat Tainted: G D W 5.10.16[ 44.985271] CR2: 00007fe411727000 CR3: 0000000105c42005 CR4: 00000000003706f0 5-cip24 #1 # [ 38.208163] Hardware name: Google Rammus/Rammus[ 44.999480] Call Trace: , BIOS 09/04/2020 # [ 38.214969] RIP: 0010:0x7f0bbcf20000 #[ 45.008463] __refcount_add_not_zero.constprop.0+0x2a/0x35 [ 38.218949] Code: Unable to access opcode bytes at RIP 0x7f0[ 45.020821] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 bbcf1ffd6. # [ 38.226238] RSP: 0018:ffffbbfa0240fe50 EFLAGS: [ 45.033325] direct_entry.cold+0x2c/0x38 00010246 # [ 38.232073] RAX: 0000000000000033 RBX: 0000000000[ 45.043865] full_proxy_write+0x53/0x80 000024 RCX: 0000000000000000 # [ 38.240045] RDX: 000000000000[ 45.054382] vfs_write+0xe7/0x3a0 0000 RSI: ffffa1863ac9bf70 RDI: ffffa1863ac9bf70 # [ 38.24801[ 45.064287] ksys_write+0x68/0xf0 5] RBP: 00007f0bbcf20000 R08: 0000000000000000 R09: 000000000000[ 45.074216] do_syscall_64+0x30/0x40 0000 # [ 38.255985] R10: 00000000ffffe000 R11: 3fffffffffffff[ 45.084401] entry_SYSCALL_64_after_hwframe+0x61/0xc6 ff R12: 000000000000000f # [ 38.263956] R13: ffffbbfa0240ff10[ 45.096273] RIP: 0033:0x7fe411834833 R14: ffffbbfa0240ff10 R15: ffffa185c35cf000 # [ 38.271929] F[ 45.106475] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 S: 00007f0bbcef1580(0000) GS:ffffa1863ac80000(0000) knlGS:00000[ 45.133706] RSP: 002b:00007ffe3f0cedd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 00000000000 # [ 38.280960] CS: 0010 DS: 0000 ES: 0000 CR0: 0[ 45.148370] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fe411834833 000000080050033 # [ 38.287368] CR2: 00007f0bbcf20000 CR3: 000[ 45.162570] RDX: 000000000000001f RSI: 00007fe411727000 RDI: 0000000000000001 000010366c006 CR4: 00000000003706e0 # [ 38.295339] Call Trace[ 45.176728] RBP: 00007fe411727000 R08: 00007fe411726010 R09: 0000000000000000 : # [ 38.298068] ? lkdtm_EXEC_USERSPACE.cold+0x66/0xae # [ [ 45.190934] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 38.303419] ? direct_entry.cold+0x2c/0x38 # [ 38.314205] ?[ 45.205118] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 full_proxy_write+0x53/0x80 # [ 38.318682] ? vfs_write+0xe7/[ 45.219325] irq event stamp: 0 0x3a0 # [ 38.322576] ? ksys_write+0x68/0xf0 # [ 38.326471[ 45.228942] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ] ? do_syscall_64+0x30/0x40 # [ 38.330656] ? entry_SYSCALL_[ 45.242195] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 64_after_hwframe+0x61/0xc6 # [ 38.336493] Modules linked in: [ 45.257525] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio[ 45.272909] softirqs last disabled at (0): [<0000000000000000>] 0x0 _triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_[ 45.286106] ---[ end trace a87a77b7dbef1ea9 ]--- ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pk[ 45.297486] lkdtm: Overflow detected: saturated g_temp_thermal cros_ec_dev cros_usbpd_notify # [ 38.369138] CR2: 00007f0bbcf20000 # [ 38.372853] ---[ end trace a87a77b7dbef1e9f ]--- # [ 38.378019] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 38.388608] Code: 89 ff e8 be 67 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 90 62 92 02 # [ 38.409596] RSP: 0018:ffffbbfa01327e60 EFLAGS: 00010286 # [ 38.415421] RAX: ffffffffb76e43c0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 38.423391] RDX: 0000000000000000 RSI: ffffa1863ac1bf70 RDI: ffffffffb84d0fb0 # [ 38.431362] RBP: ffffffffb890fba8 R08: 0000000000000001 R09: 0000000000000001 # [ 38.439334] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 38.447304] R13: ffffbbfa01327f10 R14: ffffbbfa01327f10 R15: ffffa185c404f000 # [ 38.455273] FS: 00007f0bbcef1580(0000) GS:ffffa1863ac80000(0000) knlGS:0000000000000000 # [ 38.464312] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 38.470718] CR2: 00007f0bbcf20000 CR3: 000000010366c006 CR4: 00000000003706e0 # EXEC_USERSPACE: saw 'call trace:': ok ok 35 selftests: lkdtm: EXEC_USERSPACE.s[ 45.426120] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO [ 45.433154] lkdtm: attempting good refcount_dec() [ 45.438423] lkdtm: attempting bad refcount_dec() to zero [ 45.444363] ------------[ cut here ]------------ [ 45.449523] refcount_t: decrement hit 0; leaking memory. [ 45.455492] WARNING: CPU: 2 PID: 2110 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 h # selftests: lkdtm: EXEC_NULL.sh # Killed # [ 38.599576] [ 45.464929] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 45.497572] CPU: 2 PID: 2110 Comm: cat Tainted: G D W 5.10.165-cip24 #1 [ 45.506258] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 45.513093] RIP: 0010:refcount_warn_saturate+0xfb/0x110 [ 45.518931] Code: 38 fd 84 b8 c6 05 b0 ec 93 01 01 e8 f6 b3 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 08 fd 84 b8 c6 05 97 ec 93 01 01 e8 dc b3 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b [ 45.539922] RSP: 0018:ffffbbfa029dfe48 EFLAGS: 00010286 [ 45.545760] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 [ 45.553734] RDX: ffffa1863ad2c660 RSI: ffffa1863ad1bf70 RDI: ffffa1863ad1bf70 [ 45.561711] RBP: ffffffffb88b4629 R08: 0000000000000000 R09: 0000000000000000 [ 45.569685] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 45.577659] R13: ffffbbfa029dff10 R14: ffffbbfa029dff10 R15: ffffa185c3710000 lkdtm: Performing direct entry EXEC_NULL # [ 38.608789] lkdtm[ 45.585636] FS: 00007f6321853580(0000) GS:ffffa1863ad00000(0000) knlGS:0000000000000000 : attempting ok execution at ffffffffb76e4790 # [ 38.615313] [ 45.600900] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 lkdtm: attempting bad execution at 0000000000000000 # [ 38.62[ 45.613534] CR2: 00007f632165c000 CR3: 0000000102654002 CR4: 00000000003706e0 1937] BUG: kernel NULL pointer dereference, address: 00000000000[ 45.627747] Call Trace: [ 45.636691] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd 00000 # [ 38.629720] #PF: supervisor instruction fetch in ker[ 45.641684] direct_entry.cold+0x2c/0x38 [ 45.652274] full_proxy_write+0x53/0x80 [ 45.656581] vfs_write+0xe7/0x3a0 [ 45.660329] ksys_write+0x68/0xf0 nel mode # [ 38.636041] #PF: error_code(0x0010) - not-present[ 45.664046] do_syscall_64+0x30/0x40 [ 45.674242] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 45.679899] RIP: 0033:0x7f6321769833 [ 45.683906] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 45.704901] RSP: 002b:00007fff7821a7c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 45.713387] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f6321769833 [ 45.721363] RDX: 0000000000000012 RSI: 00007f632165c000 RDI: 0000000000000001 [ 45.729336] RBP: 00007f632165c000 R08: 00007f632165b010 R09: 0000000000000000 [ 45.737310] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 45.745284] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 45.753280] irq event stamp: 0 page # [ 38.641770] PGD 0 P4D 0 # [ 38.644594] Oops: 001[ 45.756698] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 45.769916] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 45.779081] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 45.788223] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 45.795226] ---[ end trace a87a77b7dbef1eaa ]--- [ 45.800385] lkdtm: Zero detected: saturated 0 [#11] SMP PTI # [ 38.648584] CPU: 3 PID: 1772 Comm: cat Tainted: G D W 5.10.165-cip24 #1 # [ 38.657225] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 38.664031] RIP: 0010:0x0 # [ 38.666951] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. # [ 38.674629] RSP: 0018:ffffbbfa024bfe48 EFLAGS: 00010246 # [ 38.680462] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 38.688433] RDX: 0000000000000000 RSI: ffffa1863ad9bf70 RDI: ffffa1863ad9bf70 # [ 38.696403] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 # [ 38.704372] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 38.712341] R13: ffffbbfa024bff10 R14: ffffbbfa024bff10 R15: ffffa185c4070000 # [ 38.720312] FS: 00007f6d9b271580(0000) GS:ffffa1863ad80000(0000) knlGS:0000000000000000 # [ 38.729342] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 38.735750] CR2: ffffffffffffffd6 CR3: 0000000102988006 CR4: 00000000003706e0 # [ 38.743721] Call Trace: # [ 38.746449] execute_location+0x45/0x56 # [ 38.750730] direct_entry.cold+0x2c/0x38 # [ 38.755108] full_proxy_write+0x53/0x80 # [ 38.759389] vfs_wri[ 45.919323] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE te+0xe7/0x3a0 # [ 38.763086] ksys_write+0x68/0xf0 # [ 38.[ 45.929907] lkdtm: attempting bad refcount_dec() below zero 766783] do_syscall_64+0x30/0x40 # [ 38.770770] entry_SYSCAL[ 45.942355] ------------[ cut here ]------------ L_64_after_hwframe+0x61/0xc6 # [ 38.776409] RIP: 0033:0x7f6d9[ 45.953710] refcount_t: decrement hit 0; leaking memory. b187833 # [ 38.780396] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02[ 45.965881] WARNING: CPU: 1 PID: 2145 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 [ 45.981514] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f[ 46.014166] CPU: 1 PID: 2145 Comm: cat Tainted: G D W 5.10.165-cip24 #1 40 00 48 83 ec 28 48 89 54 24 18 # [ 38.801381] RSP: 002b:00[ 46.029033] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 007ffe7efe5b58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ [ 46.042058] RIP: 0010:refcount_warn_saturate+0xfb/0x110 38.809849] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00[ 46.054110] Code: 38 fd 84 b8 c6 05 b0 ec 93 01 01 e8 f6 b3 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 08 fd 84 b8 c6 05 97 ec 93 01 01 e8 dc b3 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 007f6d9b187833 # [ 38.817818] RDX: 000000000000000a RSI: 0000[ 46.081319] RSP: 0018:ffffbbfa02a77e48 EFLAGS: 00010286 7f6d9b07a000 RDI: 0000000000000001 # [ 38.825786] RBP: 00007f[ 46.093374] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 6d9b07a000 R08: 00007f6d9b079010 R09: 0000000000000000 # [ 38[ 46.107565] RDX: ffffa1863acac660 RSI: ffffa1863ac9bf70 RDI: ffffa1863ac9bf70 .833756] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 000000[ 46.121756] RBP: ffffffffb88b463b R08: 0000000000000000 R09: 0000000000000000 0000000001 # [ 38.841724] R13: 0000000000000001 R14: 00000000[ 46.135945] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 00020000 R15: 0000000000020000 # [ 38.849699] Modules linked [ 46.150135] R13: ffffbbfa02a77f10 R14: ffffbbfa02a77f10 R15: ffffa185c334a000 in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industri[ 46.164327] FS: 00007fdba8a55580(0000) GS:ffffa1863ac80000(0000) knlGS:0000000000000000 alio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub c[ 46.179586] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 ros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x8[ 46.192222] CR2: 00007fdba885e000 CR3: 000000010428c004 CR4: 00000000003706e0 6_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 38.87616[ 46.206415] Call Trace: 1] CR2: 0000000000000000 # [ 38.886074] ---[ end trace a87a77[ 46.215367] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 b7dbef1ea0 ]--- # [ 38.891229] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 46.226936] direct_entry.cold+0x2c/0x38 # [ 38.895605] Code: 89 ff e8 be 67 a3 ff 48 c7 c0 ea ff ff ff[ 46.237534] full_proxy_write+0x53/0x80 [ 46.248033] vfs_write+0xe7/0x3a0 eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff [ 46.251735] ksys_write+0x68/0xf0 eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44[ 46.261650] do_syscall_64+0x30/0x40 [ 46.271857] entry_SYSCALL_64_after_hwframe+0x61/0xc6 00 00 83 05 90 62 92 02 # [ 38.916589] RSP: 0018:ffffbbfa013[ 46.277504] RIP: 0033:0x7fdba896b833 27e60 EFLAGS: 00010286 # [ 38.922423] RAX: ffffffffb76e43c0 R[ 46.287708] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 46.314916] RSP: 002b:00007ffee9443df8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 BX: 0000000000000001 RCX: 0000000000000000 [ 46.323378] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fdba896b833 # [ 38.930390] RDX: 0000000000000000 RSI: ffffa1863ac1bf70 RDI[ 46.335623] RDX: 0000000000000016 RSI: 00007fdba885e000 RDI: 0000000000000001 : ffffffffb84d0fb0[ 46.349816] RBP: 00007fdba885e000 R08: 00007fdba885d010 R09: 0000000000000000 [ 46.359538] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 46.367708] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 38.938358] RBP: ffffffffb890fba8 R08: 0000000000000001 R09[ 46.375706] irq event stamp: 0 : 0000000000000001 # [ 38.946327] R10: 00000000ffffe000 R11: [ 46.385310] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 46.398529] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 3fffffffffffffff R12: 0000000000000004 # [ 38.954296] R13: ff[ 46.407694] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 ffbbfa01327f10 R14: ffffbbfa01327f10 R15: ffffa185c404f000 # [ [ 46.423045] softirqs last disabled at (0): [<0000000000000000>] 0x0 38.962265] FS: 00007f6d9b271580(0000) GS:ffffa1863ad80000(000[ 46.436264] ---[ end trace a87a77b7dbef1eab ]--- [ 46.447638] lkdtm: Negative detected: saturated 0) knlGS:0000000000000000 # [ 38.971303] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 38.977719] CR2: ffffffffffffffd6 CR3: 0000000102988006 CR4: 00000000003706e0 # [ 38.985690] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 38.995593] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1772, name: cat # [ 39.004047] INFO: lockdep is turned off. # [ 39.008422] irq event stamp: 0 # [ 39.011849] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 39.018856] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 39.027991] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 39.037125] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 39.044124] CPU: 3 PID: 1772 Comm: cat Tainted: G D W 5.10.165-cip24 #1 # [ 39.052772] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 39.059575] Call Trace: # [ 39.062303] dump_stack+0x77/0x9b # [ 39.066002] ___might_sleep.cold+0xa6/0xb6 # [ 39.070575] exit_signals+0x1c/0x2e0 # [ 39.074563] do_exit+0xc2/[ 46.561757] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE [ 46.572228] lkdtm: attempting bad refcount_dec_and_test() below zero [ 46.579338] ------------[ cut here ]------------ 0xaf0 # [ 39.078065] ? ksys_write+0x68/0xf0 # [ 39.081957[ 46.584505] refcount_t: underflow; use-after-free. ] rewind_stack_do_exit+0x17/0x20 # [ 39.086617] RIP: 0033:0x[ 46.596082] WARNING: CPU: 3 PID: 2180 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 [ 46.611719] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 7f6d9b187833 # [ 39.090604] Code: 8b 15 61 26 0e 00 f7 d8 64 [ 46.638182] CPU: 3 PID: 2180 Comm: cat Tainted: G D W 5.10.165-cip24 #1 [ 46.653045] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 46.659860] RIP: 0010:refcount_warn_saturate+0xba/0x110 [ 46.665697] Code: 01 01 e8 40 b4 95 00 0f 0b c3 cc cc cc cc 80 3d e9 ec 93 01 00 75 85 48 c7 c7 e0 fc 84 b8 c6 05 d9 ec 93 01 01 e8 1d b4 95 00 <0f> 0b c3 cc cc cc cc 80 3d c4 ec 93 01 00 0f 85 5e ff ff ff 48 c7 [ 46.686688] RSP: 0018:ffffbbfa02ae7e40 EFLAGS: 00010286 [ 46.692525] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 [ 46.700500] RDX: ffffa1863adac660 RSI: ffffa1863ad9bf70 RDI: ffffa1863ad9bf70 [ 46.708476] RBP: ffffffffb88b4290 R08: 0000000000000000 R09: 0000000000000000 [ 46.716451] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 46.724425] R13: ffffbbfa02ae7f10 R14: ffffbbfa02ae7f10 R15: ffffa185c4e81000 [ 46.732399] FS: 00007fbe91c34580(0000) GS:ffffa1863ad80000(0000) knlGS:0000000000000000 [ 46.741440] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.747862] CR2: 00007fbe91a3d000 CR3: 0000000103296006 CR4: 00000000003706e0 [ 46.755853] Call Trace: 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 0[ 46.758587] __refcount_sub_and_test.constprop.0+0x3c/0x50 [ 46.770927] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 [ 46.777180] direct_entry.cold+0x2c/0x38 [ 46.781562] full_proxy_write+0x53/0x80 0 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 [ 46.785855] vfs_write+0xe7/0x3a0 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 39.111589] RSP: 00[ 46.795763] ksys_write+0x68/0xf0 [ 46.805684] do_syscall_64+0x30/0x40 [ 46.809706] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 46.815352] RIP: 0033:0x7fbe91b4a833 [ 46.819343] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 46.840333] RSP: 002b:00007ffee2c2c168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 46.848794] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fbe91b4a833 [ 46.856770] RDX: 000000000000001f RSI: 00007fbe91a3d000 RDI: 0000000000000001 2b:00007ffe7efe5b58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 46.864746] RBP: 00007fbe91a3d000 R08: 00007fbe91a3c010 R09: 0000000000000000 # [ 39.120044] RAX: ffffffffffffffda RBX: 000000000000000a RC[ 46.878936] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 46.893128] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 46.901106] irq event stamp: 0 [ 46.904537] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 46.911539] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 46.920702] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 X: 00007f6d9b187833 # [ 39.128013] RDX: 000000000000000a RSI:[ 46.929855] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 46.943067] ---[ end trace a87a77b7dbef1eac ]--- [ 46.948223] lkdtm: Negative detected: saturated 00007f6d9b07a000 RDI: 0000000000000001 # [ 39.135981] RBP: 00007f6d9b07a000 R08: 00007f6d9b079010 R09: 0000000000000000 # [ 39.143951] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 39.151920] 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 # [ 39.308970] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 39.315399] lkdtm: attempting bad read at 00007fa25d8c0000 # [ 39.327744] BUG: unable to handle page fault for address: 00007fa25d8c0000 # [ 39.341628] #PF: supervisor read access in kernel mode # [ 39.347366] #PF: error_code(0x0001) - permissions violation # [ 39.353589] PGD 800000010331a067 P4D 800000010331a067 PUD 10334a067 PMD 102d89067 PTE 107ced067 # [ 39.369530] Oops: 0001 [#12] SMP PTI # [ 39.373520] CPU: 1 PID: 1807 Comm: cat Tainted: G D W 5.10.165-cip24 #1 # [ 39.382171] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 39.388978] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 # [ 39.395202] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 d8 54 8b b8 e8 58 96 fd ff 48 c7 c7 00 55 8b b8 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 3f 96 fd ff 48 89 ee 48 c7 c7 28 55[ 47.082450] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE 8b # [ 39.422401] RSP: 0018:ffffbbfa02557e48 EFLAGS: 0001024[ 47.091494] lkdtm: attempting bad refcount_sub_and_test() below zero 6 # [ 39.428237] RAX: 00000000c0dec0de RBX: 0000000000000026 [ 47.104831] ------------[ cut here ]------------ RCX: 0000000000000000 # [ 39.436198] RDX: 0000000000000000 RS[ 47.116185] refcount_t: underflow; use-after-free. I: ffffa1863ac9bf70 RDI: ffffffffb88b5500 # [ 39.444168] RBP:[ 47.127783] WARNING: CPU: 0 PID: 2215 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 00007fa25d8c0000 R08: 0000000000000000 R09: 0000000000000000 #[ 47.143420] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 39.452139] R10: 00000000ffffe000 R11: 3fffffffffffffff R12:[ 47.176069] CPU: 0 PID: 2215 Comm: cat Tainted: G D W 5.10.165-cip24 #1 0000000000000011 # [ 39.460109] R13: ffffbbfa02557f10 R14: f[ 47.190952] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 fffbbfa02557f10 R15: ffffa185c4c6e000 # [ 39.468080] FS: 000[ 47.204020] RIP: 0010:refcount_warn_saturate+0xba/0x110 07fa25d891580(0000) GS:ffffa1863ac80000(0000) knlGS:000000000000[ 47.216060] Code: 01 01 e8 40 b4 95 00 0f 0b c3 cc cc cc cc 80 3d e9 ec 93 01 00 75 85 48 c7 c7 e0 fc 84 b8 c6 05 d9 ec 93 01 01 e8 1d b4 95 00 <0f> 0b c3 cc cc cc cc 80 3d c4 ec 93 01 00 0f 85 5e ff ff ff 48 c7 0000 # [ 39.477119] CS: 0010 DS: 0000 ES: 0000 CR0: 00000000[ 47.243366] RSP: 0018:ffffbbfa02b7fe40 EFLAGS: 00010286 80050033 # [ 39.483536] CR2: 00007fa25d8c0000 CR3: 0000000102[ 47.255385] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 9f4006 CR4: 00000000003706e0 # [ 39.491506] Call Trace: # [ [ 47.269587] RDX: ffffa1863ac2c660 RSI: ffffa1863ac1bf70 RDI: ffffa1863ac1bf70 39.494234] direct_entry.cold+0x2c/0x38 # [ 39.498615] ful[ 47.283805] RBP: ffffffffb88b42b0 R08: 0000000000000000 R09: 0000000000000000 l_proxy_write+0x53/0x80 # [ 39.509108] vfs_write+0xe7/0x3a0 [ 47.297991] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 39.512807] ksys_write+0x68/0xf0 # [ 39.516506] do_sy[ 47.312183] R13: ffffbbfa02b7ff10 R14: ffffbbfa02b7ff10 R15: ffffa185c554f000 scall_64+0x30/0x40 # [ 39.520496] entry_SYSCALL_64_after_hwf[ 47.326363] FS: 00007f707607e580(0000) GS:ffffa1863ac00000(0000) knlGS:0000000000000000 rame+0x61/0xc6 # [ 39.526135] RIP: 0033:0x7fa25d7a7833 # [ [ 47.341647] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 39.530123] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff f[ 47.354269] CR2: 00007f7075e87000 CR3: 0000000102db6003 CR4: 00000000003706f0 f ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01[ 47.368464] Call Trace: 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 e[ 47.377448] __refcount_sub_and_test.constprop.0+0x3c/0x50 c 28 48 89 54 24 18 # [ 39.551107] RSP: 002b:00007ffc049ec978[ 47.389793] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 39.559565] R[ 47.402240] direct_entry.cold+0x2c/0x38 AX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007fa25d7a7833[ 47.412840] full_proxy_write+0x53/0x80 # [ 39.567528] RDX: 0000000000000011 RSI: 00007fa25d69a000 R[ 47.423348] vfs_write+0xe7/0x3a0 DI: 0000000000000001 # [ 39.575497] RBP: 00007fa25d69a000 R08[ 47.433245] ksys_write+0x68/0xf0 : 00007fa25d699010 R09: 0000000000000000 # [ 39.583469] R10: [ 47.443159] do_syscall_64+0x30/0x40 fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 47.453356] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 39.591438] R13: 0000000000000001 R14: 0000000000020000 R15: [ 47.465188] RIP: 0033:0x7f7075f94833 0000000000020000 # [ 39.599413] Modules linked in: fuse ip_ta[ 47.475397] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 bles cros_ec_sensors cros_ec_sensors_core industrialio_triggered[ 47.502638] RSP: 002b:00007ffc60d85338 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 _buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightba[ 47.517298] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f7075f94833 r cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_the[ 47.531497] RDX: 000000000000001f RSI: 00007f7075e87000 RDI: 0000000000000001 rmal cros_ec_dev cros_usbpd_notify # [ 39.632060] CR2: 00007f[ 47.545698] RBP: 00007f7075e87000 R08: 00007f7075e86010 R09: 0000000000000000 a25d8c0000 # [ 39.635750] ---[ end trace a87a77b7dbef1ea1 ]--[ 47.559891] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 - # [ 39.640907] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 39.64528[ 47.574084] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 6] Code: 89 ff e8 be 67 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c[ 47.588284] irq event stamp: 0 0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44[ 47.597901] hardirqs last enabled at (0): [<0000000000000000>] 0x0 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 9[ 47.611123] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 0 62 92 02 # [ 39.666272] RSP: 0018:ffffbbfa01327e60 EFLAGS: [ 47.626517] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 00010286 # [ 39.672107] RAX: ffffffffb76e43c0 RBX: 0000000000[ 47.641872] softirqs last disabled at (0): [<0000000000000000>] 0x0 000001 RCX: 0000000000000000 # [ 39.680077] RDX: 000000000000[ 47.655120] ---[ end trace a87a77b7dbef1ead ]--- 0000 RSI: ffffa1863ac1bf70 RDI: ffffffffb84d0fb0 # [ 39.68804[ 47.666489] lkdtm: Negative detected: saturated 7] RBP: ffffffffb890fba8 R08: 0000000000000001 R09: 0000000000000001 # [ 39.696019] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 39.703989] R13: ffffbbfa01327f10 R14: ffffbbfa01327f10 R15: ffffa185c404f000 # [ 39.711961] FS: 00007fa25d891580(0000) GS:ffffa1863ac80000(0000) knlGS:0000000000000000 # [ 39.721002] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 39.727417] CR2: 00007fa25d8c0000 CR3: 00000001029f4006 CR4: 00000000003706e0 # [ 39.735388] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 39.745293] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1807, name: cat # [ 39.753749] INFO: lockdep is turned off. # [ 39.758126] irq event stamp: 0 # [ 39.761532] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 39.768533] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 39.777669] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 39.786807] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 39.793808] CPU: 1 PID: 1807 Comm: cat Tainted: G D W 5.10.165-cip24 #1 # [ 39.802459] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 39.809264[ 47.801224] lkdtm: Performing direct entry REFCOUNT_INC_ZERO ] Call Trace: # [ 39.811992] dump_stack+0x77/0x9b # [ 39.[ 47.808431] lkdtm: attempting safe refcount_inc_not_zero() from zero 815694] ___might_sleep.cold+0xa6/0xb6 # [ 39.826480] exit_s[ 47.821744] lkdtm: Good: zero detected ignals+0x1c/0x2e0 # [ 39.830469] do_exit+0xc2/0xaf0 # [ 3[ 47.832151] lkdtm: Correctly stayed at zero 9.833964] ? ksys_write+0x68/0xf0 # [ 39.837858] rewind_stac[ 47.843035] lkdtm: attempting bad refcount_inc() from zero k_do_exit+0x17/0x20 # [ 39.842529] RIP: 0033:0x7fa25d7a7833 [ 47.855383] ------------[ cut here ]------------ # [ 39.852732] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0[ 47.866760] refcount_t: addition on 0; use-after-free. ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 [ 47.878750] WARNING: CPU: 1 PID: 2247 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48[ 47.894364] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 83 ec 28 48 89 54 24 18 # [ 39.873719] RSP: 002b:00007ffc049[ 47.927040] CPU: 1 PID: 2247 Comm: cat Tainted: G D W 5.10.165-cip24 #1 ec978 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 39.8821[ 47.941925] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 76] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007fa25d7[ 47.954929] RIP: 0010:refcount_warn_saturate+0x74/0x110 a7833 # [ 39.890147] RDX: 0000000000000011 RSI: 00007fa25d69a[ 47.966981] Code: 01 01 e8 86 b4 95 00 0f 0b c3 cc cc cc cc 80 3d 30 ed 93 01 00 75 cb 48 c7 c7 b0 fc 84 b8 c6 05 20 ed 93 01 01 e8 63 b4 95 00 <0f> 0b c3 cc cc cc cc 80 3d 0f ed 93 01 00 75 a8 48 c7 c7 88 fc 84 000 RDI: 0000000000000001 # [ 39.898117] RBP: 00007fa25d69a00[ 47.994185] RSP: 0018:ffffbbfa02c17e48 EFLAGS: 00010286 0 R08: 00007fa25d699010 R09: 0000000000000000 # [ 39.906088] [ 48.006240] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 R10: fffffffffffffbc5 R11: 0000000000000246 R12: 000000000000000[ 48.020428] RDX: ffffa1863acac660 RSI: ffffa1863ac9bf70 RDI: ffffa1863ac9bf70 1 # [ 39.914057] R13: 0000000000000001 R14: 0000000000020000 [ 48.034618] RBP: ffffffffb88b4651 R08: 0000000000000000 R09: 0000000000000000 R15: 0000000000020000 # ACCESS_USERSPACE: saw 'call trace:': ok[ 48.048809] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 ok 37 selftests: lkdtm: ACCESS_USERSPACE.sh # selftests: lkdt[ 48.063000] R13: ffffbbfa02c17f10 R14: ffffbbfa02c17f10 R15: ffffa185c3593000 m: ACCESS_NULL.sh # Killed # [ 40.056947] lkdtm: Performing [ 48.077193] FS: 00007fe445183580(0000) GS:ffffa1863ac80000(0000) knlGS:0000000000000000 direct entry ACCESS_NULL # [ 40.064668] lkdtm: attempting bad[ 48.092452] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 read at 0000000000000000 # [ 40.070856] BUG: kernel NULL poi[ 48.105088] CR2: 00007fe444f8c000 CR3: 0000000104dc6001 CR4: 00000000003706e0 nter dereference, address: 0000000000000000 # [ 40.078647] #P[ 48.119277] Call Trace: F: supervisor read access in kernel mode # [ 40.090600] #PF: [ 48.128227] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 error_code(0x0000) - not-present page # [ 40.096336] PGD 0 P4[ 48.139404] direct_entry.cold+0x2c/0x38 D 0 # [ 40.099165] Oops: 0000 [#13] SMP PTI # [ 40.109369[ 48.150000] full_proxy_write+0x53/0x80 ] CPU: 3 PID: 1842 Comm: cat Tainted: G D W 5.10.16[ 48.160494] vfs_write+0xe7/0x3a0 5-cip24 #1 # [ 40.118020] Hardware name: Google Rammus/Rammus[ 48.170411] ksys_write+0x68/0xf0 , BIOS 09/04/2020 # [ 40.124828] RIP: 0010:lkdtm_ACCESS_NULL[ 48.180327] do_syscall_64+0x30/0x40 +0x14/0x53 # [ 40.130080] Code: fc 95 fd ff be 00 10 00 00 48[ 48.190533] entry_SYSCALL_64_after_hwframe+0x61/0xc6 89 ef e8 49 12 3c ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 [ 48.202392] RIP: 0033:0x7fe445099833 c7 c7 d8 54 8b b8 e8 d6 95 fd ff <48> 8b 1c 25 00 00 00 00 b8 de[ 48.212597] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 c0 de c0 48 c7 c7 00 55 8b b8 48 01 # [ 40.151067] RSP: 0018[ 48.239799] RSP: 002b:00007ffe31e90818 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 :ffffbbfa025efe58 EFLAGS: 00010246 # [ 40.156910] RAX: 000000[ 48.254473] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fe445099833 000000002e RBX: 0000000000000027 RCX: 0000000000000000 # [ 40[ 48.268660] RDX: 0000000000000012 RSI: 00007fe444f8c000 RDI: 0000000000000001 .164879] RDX: 0000000000000000 RSI: ffffa1863ad9bf70 RDI: ffffa1[ 48.282847] RBP: 00007fe444f8c000 R08: 00007fe444f8b010 R09: 0000000000000000 863ad9bf70 # [ 40.172872] RBP: ffffffffb88b45c9 R08: 00000000[ 48.297034] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 00000000 R09: 0000000000000000 # [ 40.180848] R10: 00000000ff[ 48.311222] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 40.188[ 48.325416] irq event stamp: 0 818] R13: ffffbbfa025eff10 R14: ffffbbfa025eff10 R15: ffffa185c4[ 48.335034] hardirqs last enabled at (0): [<0000000000000000>] 0x0 c96000 # [ 40.196790] FS: 00007f2f17818580(0000) GS:ffffa186[ 48.335037] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 48.335039] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 48.335041] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 48.379724] ---[ end trace a87a77b7dbef1eae ]--- 3ad80000(0000) knlGS:0000000000000000 # [ 40.205820] CS: 001[ 48.384882] lkdtm: Zero detected: saturated 0 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 40.212257] CR2: 0000000000000000 CR3: 0000000104012002 CR4: 00000000003706e0 # [ 40.220228] Call Trace: # [ 40.222958] direct_entry.cold+0x2c/0x38 # [ 40.227338] full_proxy_write+0x53/0x80 # [ 40.231619] vfs_write+0xe7/0x3a0 # [ 40.235309] ksys_write+0x68/0xf0 # [ 40.239000] do_syscall_64+0x30/0x40 # [ 40.242990] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 40.248630] RIP: 0033:0x7f2f1772e833 # [ 40.252617] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 40.273604] RSP: 002b:00007ffe3ad257c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 40.282061] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f2f1772e833 # [ 40.290031] RDX: 000000000000000c RSI: 00007f2f17621000 RDI: 0000000000000001 # [ 40.298001] RBP: 00007f2f17621000 R08: 00007f2f17620010 R09: 0000000000000000 # [ 40.305971] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 40.313941] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 40.321917] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs[ 48.531168] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_not[ 48.538862] lkdtm: attempting safe refcount_add_not_zero() from zero ify # [ 40.348382] CR2: 0000000000000000 # [ 40.358295] --[ 48.552177] lkdtm: Good: zero detected -[ end trace a87a77b7dbef1ea2 ]--- # [ 40.363450] RIP: 0010:l[ 48.562578] lkdtm: Correctly stayed at zero kdtm_BUG+0x5/0x10 # [ 40.367818] Code: 89 ff e8 be 67 a3 ff 4[ 48.573463] lkdtm: attempting bad refcount_add() from zero 8 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48[ 48.585808] ------------[ cut here ]------------ c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 0[ 48.597184] refcount_t: addition on 0; use-after-free. 0 00 00 00 0f 1f 44 00 00 83 05 90 62 92 02 # [ 40.388806] RS[ 48.609165] WARNING: CPU: 1 PID: 2279 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 P: 0018:ffffbbfa01327e60 EFLAGS: 00010286 # [ 40.394640] RAX:[ 48.624780] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify ffffffffb76e43c0 RBX: 0000000000000001 RCX: 0000000000000000 #[ 48.657428] CPU: 1 PID: 2279 Comm: cat Tainted: G D W 5.10.165-cip24 #1 [ 40.402611] RDX: 0000000000000000 RSI: ffffa1863ac1bf70 RDI:[ 48.672297] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 ffffffffb84d0fb0 # [ 40.410582] RBP: ffffffffb890fba8 R08: 0[ 48.685319] RIP: 0010:refcount_warn_saturate+0x74/0x110 000000000000001 R09: 0000000000000001 # [ 40.418553] R10: 000[ 48.697372] Code: 01 01 e8 86 b4 95 00 0f 0b c3 cc cc cc cc 80 3d 30 ed 93 01 00 75 cb 48 c7 c7 b0 fc 84 b8 c6 05 20 ed 93 01 01 e8 63 b4 95 00 <0f> 0b c3 cc cc cc cc 80 3d 0f ed 93 01 00 75 a8 48 c7 c7 88 fc 84 00000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ [ 48.724576] RSP: 0018:ffffbbfa02c97e48 EFLAGS: 00010286 40.426524] R13: ffffbbfa01327f10 R14: ffffbbfa01327f10 R15: fff[ 48.736631] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 fa185c404f000 # [ 40.434495] FS: 00007f2f17818580(0000) GS:f[ 48.750839] RDX: ffffa1863acac660 RSI: ffffa1863ac9bf70 RDI: ffffa1863ac9bf70 fffa1863ad80000(0000) knlGS:0000000000000000 # [ 40.443535] C[ 48.765036] RBP: ffffffffb88b4663 R08: 0000000000000000 R09: 0000000000000000 S: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 40.44995[ 48.779227] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 2] CR2: 0000000000000000 CR3: 0000000104012002 CR4: 000000000037[ 48.793418] R13: ffffbbfa02c97f10 R14: ffffbbfa02c97f10 R15: ffffa185c4f59000 06e0 # ACCESS_NULL: saw 'call trace:': ok ok 38 selftests: lkd[ 48.807607] FS: 00007f67e42ac580(0000) GS:ffffa1863ac80000(0000) knlGS:0000000000000000 tm: ACCESS_NULL.sh # selftests: lkdtm: WRITE_RO.sh # Killed #[ 48.822890] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 40.579011] lkdtm: Performing direct entry WRITE_RO # [ 4[ 48.835521] CR2: 00007f67e40b5000 CR3: 00000001035da003 CR4: 00000000003706e0 [ 48.849710] Call Trace: 0.587732] lkdtm: attempting bad rodata write at ffffffffb84d1430[ 48.852444] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 # [ 40.600856] BUG: unable to handle page fault for address:[ 48.863618] direct_entry.cold+0x2c/0x38 ffffffffb84d1430 # [ 40.614731] #PF: supervisor write access[ 48.874242] full_proxy_write+0x53/0x80 in kernel mode # [ 40.620557] #PF: error_code(0x0003) - perm[ 48.884731] vfs_write+0xe7/0x3a0 issions violation # [ 40.626779] PGD 122c29067 P4D 122c29067 [ 48.894625] ksys_write+0x68/0xf0 PUD 122c2a063 PMD 80000001226000e1 # [ 40.634563] Oops: 0003[ 48.904540] do_syscall_64+0x30/0x40 [#14] SMP PTI # [ 40.638551] CPU: 0 PID: 1877 Comm: cat Tain[ 48.914749] entry_SYSCALL_64_after_hwframe+0x61/0xc6 ted: G D W 5.10.165-cip24 #1 # [ 40.647201] Hard[ 48.926609] RIP: 0033:0x7f67e41c2833 ware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 40.6540[ 48.936818] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 07] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a # [ 40.658972] Code: 0[ 48.964023] RSP: 002b:00007ffd186eb368 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 48.978700] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f67e41c2833 0 48 c7 c7 b8 53 8b b8 48 c7 c6 30 14 4d b8 e8 80 98 fd ff 48 8b[ 48.986675] RDX: 0000000000000012 RSI: 00007f67e40b5000 RDI: 0000000000000001 05 e3 aa 78 00 ba 34 12 cd ab 48 c7 c7 e8 53 8b b8 48 31 d0 <48[ 49.000862] RBP: 00007f67e40b5000 R08: 00007f67e40b4010 R09: 0000000000000000 [ 49.015053] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 > 89 05 cd aa 78 00 e9 5e 98 fd ff 0f 1f 44 00 00 48 8b 05 bc 99[ 49.023028] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 40.679956] RSP: 0018:ffffbbfa02677e60 EFLAGS: 00010202 [ 49.037237] irq event stamp: 0 # [ 40.685782] RAX: 000000000198b861 RBX: 0000000000000028 RCX[ 49.046854] hardirqs last enabled at (0): [<0000000000000000>] 0x0 : 0000000000000000 # [ 40.693753] RDX: 00000000abcd1234 RSI: [ 49.060075] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 49.075432] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 ffffa1863ac1bf70 RDI: ffffffffb88b53e8 # [ 40.701722] RBP: ff[ 49.084571] softirqs last disabled at (0): [<0000000000000000>] 0x0 ffffffb88b45d5 R08: 0000000000000000 R09: 0000000000000000 # [ [ 49.097787] ---[ end trace a87a77b7dbef1eaf ]--- 40.709691] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00[ 49.109164] lkdtm: Zero detected: saturated 00000000000009 # [ 40.717661] R13: ffffbbfa02677f10 R14: ffffbbfa02677f10 R15: ffffa185c34d6000 # [ 40.725632] FS: 00007fe1c690c580(0000) GS:ffffa1863ac00000(0000) knlGS:0000000000000000 # [ 40.734671] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 40.741077] CR2: ffffffffb84d1430 CR3: 0000000104f86001 CR4: 00000000003706f0 # [ 40.749045] Call Trace: # [ 40.751773] direct_entry.cold+0x2c/0x38 # [ 40.756158] full_proxy_write+0x53/0x80 # [ 40.760445] vfs_write+0xe7/0x3a0 # [ 40.764148] ksys_write+0x68/0xf0 # [ 40.767847] do_syscall_64+0x30/0x40 # [ 40.771841] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 40.777473] RIP: 0033:0x7fe1c6822833 # [ 40.781462] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 40.802435] RSP: 002b:00007ffffd3a2ee8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 40.810889] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007fe1c6822833 # [ 40.818858] RDX: 0000000000000009 RSI: 00007fe1c6715000 RDI:[ 49.231015] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED 0000000000000001 # [ 40.826828] RBP: 00007fe1c6715000 R08: 0[ 49.238729] lkdtm: attempting bad refcount_inc() from saturated 0007fe1c6714010 R09: 0000000000000000 # [ 40.834797] R10: fff[ 49.251582] ------------[ cut here ]------------ [ 49.262935] refcount_t: saturated; leaking memory. ffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ [ 49.268316] WARNING: CPU: 1 PID: 2314 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 40.842767] R13: 0000000000000001 R14: 0000000000020000 R15: 000[ 49.283930] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 0000000020000 # [ 40.850741] Modules linked in: fuse ip_table[ 49.316578] CPU: 1 PID: 2314 Comm: cat Tainted: G D W 5.10.165-cip24 #1 [ 49.331446] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 s cros_ec_sensors cros_ec_sensors_core industrialio_triggered_bu[ 49.338258] RIP: 0010:refcount_warn_saturate+0x51/0x110 [ 49.350310] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 54 ed 93 01 00 75 ee 48 c7 c7 88 fc 84 b8 c6 05 44 ed 93 01 01 e8 86 b4 95 00 <0f> 0b c3 cc cc cc cc 80 3d 30 ed 93 01 00 75 cb 48 c7 c7 b0 fc 84 ffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar c[ 49.371321] RSP: 0018:ffffbbfa02d27e48 EFLAGS: 00010286 ros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_therma[ 49.383373] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 l cros_ec_dev cros_usbpd_notify # [ 40.877184] CR2: ffffffffb[ 49.397561] RDX: ffffa1863acac660 RSI: ffffa1863ac9bf70 RDI: ffffa1863ac9bf70 84d1430 # [ 40.880880] ---[ end trace a87a77b7dbef1ea3 ]--- [ 49.411750] RBP: ffffffffb88b4675 R08: 0000000000000000 R09: 0000000000000000 [ 49.425941] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 40.886026] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 40.890402] [ 49.433916] R13: ffffbbfa02d27f10 R14: ffffbbfa02d27f10 R15: ffffa185c4006000 Code: 89 ff e8 be 67 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 e[ 49.448130] FS: 00007fc1a6cd8580(0000) GS:ffffa1863ac80000(0000) knlGS:0000000000000000 a ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00[ 49.463362] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.475995] CR2: 00007fc1a6ae1000 CR3: 0000000102740001 CR4: 00000000003706e0 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 90 6[ 49.483968] Call Trace: 2 92 02 # [ 40.911383] RSP: 0018:ffffbbfa01327e60 EFLAGS: 000[ 49.492917] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 10286 # [ 40.917217] RAX: ffffffffb76e43c0 RBX: 0000000000000[ 49.504582] direct_entry.cold+0x2c/0x38 001 RCX: 0000000000000000 # [ 40.925186] RDX: 000000000000000[ 49.515178] full_proxy_write+0x53/0x80 0 RSI: ffffa1863ac1bf70 RDI: ffffffffb84d0fb0 # [ 40.933156] [ 49.525680] vfs_write+0xe7/0x3a0 RBP: ffffffffb890fba8 R08: 0000000000000001 R09: 000000000000000[ 49.535596] ksys_write+0x68/0xf0 1 # [ 40.941117] R10: 00000000ffffe000 R11: 3fffffffffffffff [ 49.545514] do_syscall_64+0x30/0x40 R12: 0000000000000004 # [ 40.949086] R13: ffffbbfa01327f10 R1[ 49.555721] entry_SYSCALL_64_after_hwframe+0x61/0xc6 4: ffffbbfa01327f10 R15: ffffa185c404f000 # [ 40.957056] FS: [ 49.567581] RIP: 0033:0x7fc1a6bee833 [ 49.577787] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 00007fe1c690c580(0000) GS:ffffa1863ac00000(0000) knlGS:00000000[ 49.598774] RSP: 002b:00007ffca73f8db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 00000000 # [ 40.966094] CS: 0010 DS: 0000 ES: 0000 CR0: 0000[ 49.613444] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fc1a6bee833 [ 49.627633] RDX: 0000000000000017 RSI: 00007fc1a6ae1000 RDI: 0000000000000001 000080050033 # [ 40.972508] CR2: ffffffffb84d1430 CR3: 000000[ 49.635607] RBP: 00007fc1a6ae1000 R08: 00007fc1a6ae0010 R09: 0000000000000000 [ 49.649791] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 0104f86001 CR4: 00000000003706f0 # [ 40.980478] BUG: sleeping[ 49.657767] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 function called from invalid context at include/linux/percpu-rw[ 49.671962] irq event stamp: 0 sem.h:49 # [ 40.990390] in_atomic(): 0, irqs_disabled(): 1, n[ 49.681586] hardirqs last enabled at (0): [<0000000000000000>] 0x0 on_block: 0, pid: 1877, name: cat # [ 40.998845] INFO: lockde[ 49.694806] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 49.710160] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 p is turned off. # [ 41.003221] irq event stamp: 0 # [ 41.[ 49.719302] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 49.732515] ---[ end trace a87a77b7dbef1eb0 ]--- 006627] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 49.737674] lkdtm: Saturation detected: still saturated # [ 41.013627] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 41.022761] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 41.031896] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 41.038896] CPU: 0 PID: 1877 Comm: cat Tainted: G D W 5.10.165-cip24 #1 # [ 41.047538] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 41.054341] Call Trace: # [ 41.057069] dump_stack+0x77/0x9b # [ 41.060775] ___might_sleep.cold+0xa6/0xb6 # [ 41.065344] exit_signals+0x1c/0x2e0 # [ 41.069339] do_exit+0xc2/0xaf0 # [ 41.072843] ? ksys_write+0x68/0xf0 # [ 41.076736] rewind_stack_do_exit+0x17/0x20 # [ 41.081410] RIP: 0033:0x7fe1c6822833 # [ 41.085398] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 41.106380] RSP: 002b:00007ffffd3a2ee8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 41.114827] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007fe1c6822833 # [ 41.122794] RDX: 0000000000000009 RSI: 00007fe1c6715000 RDI: 0000000000000001 # [ 41.130764] RBP: 00007fe1c6715000 R08: 00007fe1c6714010 R09: 0000000000000000 # [ 41.138732] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 41.146703] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # WRITE_RO: saw 'call trace:': ok ok 39 sel[ 49.892625] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED [ 49.905734] lkdtm: attempting bad refcount_dec() from saturated [ 49.912354] ------------[ cut here ]------------ ftests: lkdtm: WRITE_RO.sh # selftests: lkdtm: WRITE_RO_AFTER_I[ 49.917538] refcount_t: decrement hit 0; leaking memory. [ 49.929715] WARNING: CPU: 3 PID: 2349 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 NIT.sh # Killed # [ 41.311090] lkdtm: Performing direct entr[ 49.939153] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 49.971813] CPU: 3 PID: 2349 Comm: cat Tainted: G D W 5.10.165-cip24 #1 y WRITE_RO_AFTER_INIT # [ 41.322832] lkdtm: attempting bad ro[ 49.980480] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 49.993502] RIP: 0010:refcount_warn_saturate+0xfb/0x110 [ 49.999366] Code: 38 fd 84 b8 c6 05 b0 ec 93 01 01 e8 f6 b3 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 08 fd 84 b8 c6 05 97 ec 93 01 01 e8 dc b3 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b _after_init write at ffffffffb8930330 # [ 41.330463] BUG: una[ 50.020369] RSP: 0018:ffffbbfa02dafe48 EFLAGS: 00010286 [ 50.032415] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 [ 50.040389] RDX: ffffa1863adac660 RSI: ffffa1863ad9bf70 RDI: ffffa1863ad9bf70 [ 50.048362] RBP: ffffffffb88b468c R08: 0000000000000000 R09: 0000000000000000 [ 50.056337] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 50.064312] R13: ffffbbfa02daff10 R14: ffffbbfa02daff10 R15: ffffa185c5dd0000 [ 50.072287] FS: 00007f8336b25580(0000) GS:ffffa1863ad80000(0000) knlGS:0000000000000000 [ 50.081329] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.087748] CR2: 00007f833692e000 CR3: 000000010406c003 CR4: 00000000003706e0 [ 50.095723] Call Trace: [ 50.098458] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f [ 50.103943] direct_entry.cold+0x2c/0x38 [ 50.108358] full_proxy_write+0x53/0x80 [ 50.112677] vfs_write+0xe7/0x3a0 [ 50.116408] ksys_write+0x68/0xf0 [ 50.120115] do_syscall_64+0x30/0x40 [ 50.124138] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 50.129785] RIP: 0033:0x7f8336a3b833 [ 50.133778] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 50.154768] RSP: 002b:00007ffe0d034658 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 50.163231] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f8336a3b833 [ 50.171205] RDX: 0000000000000017 RSI: 00007f833692e000 RDI: 0000000000000001 [ 50.179180] RBP: 00007f833692e000 R08: 00007f833692d010 R09: 0000000000000000 [ 50.187156] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 50.195130] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 50.203112] irq event stamp: 0 [ 50.206551] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 50.213556] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 50.222727] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 ble to handle page fault for address: ffffffffb8930330 # [ 41[ 50.231868] softirqs last disabled at (0): [<0000000000000000>] 0x0 .338156] #PF: supervisor write access in kernel mode # [ 41.3[ 50.245089] ---[ end trace a87a77b7dbef1eb1 ]--- [ 50.256463] lkdtm: Saturation detected: still saturated 50207] #PF: error_code(0x0003) - permissions violation # [ 41.356420] PGD 122c29067 P4D 122c29067 PUD 122c2a063 PMD 104c92063 PTE 8000000122b30061 # [ 41.371681] Oops: 0003 [#15] SMP PTI # [ 41.375669] CPU: 2 PID: 1912 Comm: cat Tainted: G D W 5.10.165-cip24 #1 # [ 41.384312] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 41.391121] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a # [ 41.397150] Code: 54 8b b8 e9 32 98 fd ff 48 c7 c7 40 54 8b b8 e8 26 98 fd ff 48 8b 05 89 99 be 00 ba 34 12 cd ab 48 c7 c7 e8 53 8b b8 48 31 d0 <48> 89 05 73 99 be 00 e9 04 98 fd ff 0f 1f 44 00 00 41 54 48 c7 c7 # [ 41.418126] RSP: 0018:ffffbbfa026efe60 EFLAGS: 00010202 # [ 41.423952] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 # [ 41.431921] RDX: 00000000abcd1234 RSI: ffffa1863ad1bf70 RDI: ffffffffb88b53e8 # [ 41.439901] RBP: ffffffffb88b45de R08: 0000000000000000 R09: 0000000000000000 # [ 41.447872] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 # [ 41.455851] R13: ffffbbfa026eff10 R14: ffffbbfa026eff10 R15: ffffa185c4d28000 # [ 41.463839] FS: 00007f727ecf7580(0000) GS:ffffa1863ad00000(0000) knlGS:0000000000000000 # [ 41.472886] CS: 0010 DS: 0000 ES: 0000 CR0: 00000000800500[ 50.382533] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED [ 50.393454] lkdtm: attempting bad refcount_dec() from saturated [ 50.400074] ------------[ cut here ]------------ 33 # [ 41.485516] CR2: ffffffffb8930330 CR3: 00000001029a6001[ 50.405239] refcount_t: saturated; leaking memory. [ 50.416850] WARNING: CPU: 3 PID: 2384 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 CR4: 00000000003706e0 # [ 41.493486] Call Trace: # [ 41.4[ 50.426290] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 50.458959] CPU: 3 PID: 2384 Comm: cat Tainted: G D W 5.10.165-cip24 #1 96214] direct_entry.cold+0x2c/0x38 # [ 41.500593] full_prox[ 50.467626] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 50.480641] RIP: 0010:refcount_warn_saturate+0x51/0x110 [ 50.486480] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 54 ed 93 01 00 75 ee 48 c7 c7 88 fc 84 b8 c6 05 44 ed 93 01 01 e8 86 b4 95 00 <0f> 0b c3 cc cc cc cc 80 3d 30 ed 93 01 00 75 cb 48 c7 c7 b0 fc 84 [ 50.507471] RSP: 0018:ffffbbfa02e1fe48 EFLAGS: 00010286 y_write+0x53/0x80 # [ 41.504875] vfs_write+0xe7/0x3a0 # [ [ 50.513310] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 [ 50.527504] RDX: ffffa1863adac660 RSI: ffffa1863ad9bf70 RDI: ffffa1863ad9bf70 [ 50.535509] RBP: ffffffffb88b46a3 R08: 0000000000000000 R09: 0000000000000000 [ 50.543486] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 50.551462] R13: ffffbbfa02e1ff10 R14: ffffbbfa02e1ff10 R15: ffffa185c32c3000 [ 50.559438] FS: 00007f2fe8b19580(0000) GS:ffffa1863ad80000(0000) knlGS:0000000000000000 [ 50.568487] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.574909] CR2: 00007f2fe8922000 CR3: 0000000104066002 CR4: 00000000003706e0 [ 50.582897] Call Trace: [ 50.585662] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 [ 50.591145] direct_entry.cold+0x2c/0x38 [ 50.595559] full_proxy_write+0x53/0x80 [ 50.599877] vfs_write+0xe7/0x3a0 [ 50.603607] ksys_write+0x68/0xf0 [ 50.607316] do_syscall_64+0x30/0x40 [ 50.611341] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 50.617014] RIP: 0033:0x7f2fe8a2f833 [ 50.621009] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 50.642000] RSP: 002b:00007ffd626ae208 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 50.650461] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f2fe8a2f833 [ 50.658435] RDX: 0000000000000017 RSI: 00007f2fe8922000 RDI: 0000000000000001 [ 50.666411] RBP: 00007f2fe8922000 R08: 00007f2fe8921010 R09: 0000000000000000 [ 50.674386] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 50.682362] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 50.690343] irq event stamp: 0 41.508575] ksys_write+0x68/0xf0 # [ 41.512273] do_syscall_[ 50.693778] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 50.706992] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 50.716135] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 50.725276] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 50.732282] ---[ end trace a87a77b7dbef1eb2 ]--- [ 50.737440] lkdtm: Saturation detected: still saturated 64+0x30/0x40 # [ 41.516261] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 41.521903] RIP: 0033:0x7f727ec0d833 # [ 41.525900] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 41.546901] RSP: 002b:00007ffe9ec849e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 41.555358] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f727ec0d833 # [ 41.563327] RDX: 0000000000000014 RSI: 00007f727eb00000 RDI: 0000000000000001 # [ 41.571296] RBP: 00007f727eb00000 R08: 00007f727eaff010 R09: 0000000000000000 # [ 41.579266] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 41.587235] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 41.595210] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 41.621678] CR2: ffffffffb8930330 # [ 41.631589] ---[ end trace a87a77b7dbef1ea4 ]--- # [ 41.636744] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 41.641121] Code: 89 ff e8 be 67 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea f[ 50.870997] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED f ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00[ 50.881741] lkdtm: attempting bad refcount_inc_not_zero() from saturated <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 90 62 9[ 50.895445] ------------[ cut here ]------------ 2 02 # [ 41.662106] RSP: 0018:ffffbbfa01327e60 EFLAGS: 000102[ 50.906840] refcount_t: saturated; leaking memory. 86 # [ 41.667940] RAX: ffffffffb76e43c0 RBX: 0000000000000001[ 50.918455] WARNING: CPU: 0 PID: 2416 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 RCX: 0000000000000000 # [ 41.675909] RDX: 0000000000000000 R[ 50.934066] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify SI: ffffa1863ac1bf70 RDI: ffffffffb84d0fb0 # [ 41.683893] RBP[ 50.966745] CPU: 0 PID: 2416 Comm: cat Tainted: G D W 5.10.165-cip24 #1 : ffffffffb890fba8 R08: 0000000000000001 R09: 0000000000000001 [ 50.981596] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 41.691900] R10: 00000000ffffe000 R11: 3fffffffffffffff R12[ 50.994642] RIP: 0010:refcount_warn_saturate+0x97/0x110 : 0000000000000004 # [ 41.699870] R13: ffffbbfa01327f10 R14: [ 51.006674] Code: 01 01 e8 63 b4 95 00 0f 0b c3 cc cc cc cc 80 3d 0f ed 93 01 00 75 a8 48 c7 c7 88 fc 84 b8 c6 05 ff ec 93 01 01 e8 40 b4 95 00 <0f> 0b c3 cc cc cc cc 80 3d e9 ec 93 01 00 75 85 48 c7 c7 e0 fc 84 ffffbbfa01327f10 R15: ffffa185c404f000 # [ 41.707841] FS: 00[ 51.033911] RSP: 0018:ffffbbfa02e8fe38 EFLAGS: 00010282 007f727ecf7580(0000) GS:ffffa1863ad00000(0000) knlGS:00000000000[ 51.045928] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 00000 # [ 41.716894] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000[ 51.060172] RDX: ffffa1863ac2c660 RSI: ffffa1863ac1bf70 RDI: ffffa1863ac1bf70 080050033 # [ 41.723304] CR2: ffffffffb8930330 CR3: 000000010[ 51.074321] RBP: ffffffffb88b42d0 R08: 0000000000000000 R09: 0000000000000000 29a6001 CR4: 00000000003706e0 # WRITE_RO_AFTER_INIT: saw 'call [ 51.088518] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 trace:': ok ok 40 selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # s[ 51.102702] R13: ffffbbfa02e8ff10 R14: ffffbbfa02e8ff10 R15: ffffa185c570d000 elftests: lkdtm: WRITE_KERN.sh # Killed # [ 41.841830] lkdtm[ 51.116942] FS: 00007f24c6ce8580(0000) GS:ffffa1863ac00000(0000) knlGS:0000000000000000 : Performing direct entry WRITE_KERN # [ 41.848847] lkdtm: at[ 51.132154] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 tempting bad 6693175 byte write at ffffffffb7d468c7 # [ 41.86[ 51.144798] CR2: 00007f24c6af1000 CR3: 0000000104d5c004 CR4: 00000000003706f0 2579] BUG: unable to handle page fault for address: ffffffffb7d4[ 51.158984] Call Trace: 68c7 # [ 41.876433] #PF: supervisor write access in kernel mo[ 51.167966] __refcount_add_not_zero.constprop.0+0x2a/0x35 de # [ 41.882267] #PF: error_code(0x0003) - permissions viola[ 51.180283] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 tion # [ 41.888490] PGD 122c29067 P4D 122c29067 PUD 122c2a063[ 51.192849] direct_entry.cold+0x2c/0x38 PMD 121e000e1 # [ 41.895587] Oops: 0003 [#16] SMP PTI # [ [ 51.203424] full_proxy_write+0x53/0x80 41.899577] CPU: 0 PID: 1947 Comm: cat Tainted: G D W [ 51.213941] vfs_write+0xe7/0x3a0 5.10.165-cip24 #1 # [ 41.908227] Hardware name: Google Ra[ 51.223886] ksys_write+0x68/0xf0 mmus/Rammus, BIOS 09/04/2020 # [ 41.915035] RIP: 0010:lkdtm_[ 51.233835] do_syscall_64+0x30/0x40 WRITE_KERN+0x38/0x4e # [ 41.920194] Code: 53 48 c7 c3 c7 68 d[ 51.244010] entry_SYSCALL_64_after_hwframe+0x61/0xc6 4 b7 49 89 dc 48 89 da 49 81 ec 90 47 6e b7 4c 89 e6 e8 d9 97 fd[ 51.255931] RIP: 0033:0x7f24c6bfe833 ff 48 89 df 4c 89 e1 48 c7 c6 90 47 6e b7 a4 48 c7 c7 e8 5[ 51.266084] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 3 8b b8 e8 be 97 fd ff 5b 41 5c e9 b7 fe ff ff # [ 41.941178][ 51.293339] RSP: 002b:00007ffda14851c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RSP: 0018:ffffbbfa0276fe50 EFLAGS: 00010246 # [ 41.947012] R[ 51.307975] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f24c6bfe833 AX: 000000000000003c RBX: ffffffffb7d468c7 RCX: 0000000000662137[ 51.322194] RDX: 0000000000000020 RSI: 00007f24c6af1000 RDI: 0000000000000001 # [ 41.954981] RDX: 0000000000000000 RSI: ffffffffb76e4790 R[ 51.336355] RBP: 00007f24c6af1000 R08: 00007f24c6af0010 R09: 0000000000000000 DI: ffffffffb7d468c7 # [ 41.962951] RBP: ffffffffb88b45f2 R08[ 51.350558] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 : 0000000000000000 R09: 0000000000000000 # [ 41.970921] R10: [ 51.364762] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000662137 # [ 51.378938] irq event stamp: 0 [ 41.978890] R13: ffffbbfa0276ff10 R14: ffffbbfa0276ff10 R15: [ 51.388560] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ffffa185c4de8000 # [ 41.986859] FS: 00007fb47a747580(0000) G[ 51.401809] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 S:ffffa1863ac00000(0000) knlGS:0000000000000000 # [ 41.995897[ 51.417136] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 ] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 42.00[ 51.432497] softirqs last disabled at (0): [<0000000000000000>] 0x0 2314] CR2: ffffffffb7d468c7 CR3: 00000001029a6005 CR4: 000000000[ 51.445717] ---[ end trace a87a77b7dbef1eb3 ]--- 03706f0 # [ 42.010284] Call Trace: # [ 42.013014] direct_[ 51.457105] lkdtm: Saturation detected: still saturated entry.cold+0x2c/0x38 # [ 42.017399] full_proxy_write+0x53/0x80 # [ 42.021686] vfs_write+0xe7/0x3a0 # [ 42.025390] ksys_write+0x68/0xf0 # [ 42.029089] do_syscall_64+0x30/0x40 # [ 42.033084] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 42.038726] RIP: 0033:0x7fb47a65d833 # [ 42.042715] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 42.063698] RSP: 002b:00007ffcbef20b48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 42.072145] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007fb47a65d833 # [ 42.080114] RDX: 000000000000000b RSI: 00007fb47a550000 RDI: 0000000000000001 # [ 42.088084] RBP: 00007fb47a550000 R08: 00007fb47a54f010 R09: 0000000000000000 # [ 42.096053] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 42.104021] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 42.111995] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 42.138436] CR2: ffffffffb7d468c7 # [ 42.142135] ---[ end trace a87a77b7dbef1ea5 ]--- # [ 42.147289] R[ 51.600604] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED [ 51.613567] lkdtm: attempting bad refcount_add_not_zero() from saturated [ 51.621105] ------------[ cut here ]------------ [ 51.626296] refcount_t: saturated; leaking memory. [ 51.631689] WARNING: CPU: 2 PID: 2448 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 IP: 0010:lkdtm_BUG+0x5/0x10 # [ 42.151665] Code: 89 ff e8 be [ 51.641136] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 51.673775] CPU: 2 PID: 2448 Comm: cat Tainted: G D W 5.10.165-cip24 #1 [ 51.682461] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 51.689275] RIP: 0010:refcount_warn_saturate+0x97/0x110 67 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc c[ 51.695141] Code: 01 01 e8 63 b4 95 00 0f 0b c3 cc cc cc cc 80 3d 0f ed 93 01 00 75 a8 48 c7 c7 88 fc 84 b8 c6 05 ff ec 93 01 01 e8 40 b4 95 00 <0f> 0b c3 cc cc cc cc 80 3d e9 ec 93 01 00 75 85 48 c7 c7 e0 fc 84 [ 51.722340] RSP: 0018:ffffbbfa02f1fe38 EFLAGS: 00010282 [ 51.728212] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 [ 51.736187] RDX: ffffa1863ad2c660 RSI: ffffa1863ad1bf70 RDI: ffffa1863ad1bf70 c cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f [ 51.744163] RBP: ffffffffb88b42f0 R08: 0000000000000000 R09: 0000000000000000 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 90 62 92 02 # [ 42.[ 51.758355] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 51.772547] R13: ffffbbfa02f1ff10 R14: ffffbbfa02f1ff10 R15: ffffa185c35eb000 172648] RSP: 0018:ffffbbfa01327e60 EFLAGS: 00010286 # [ 42.17[ 51.780520] FS: 00007f1d1ef8a580(0000) GS:ffffa1863ad00000(0000) knlGS:0000000000000000 [ 51.795775] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.802195] CR2: 00007f1d1ed93000 CR3: 0000000105dd4005 CR4: 00000000003706e0 [ 51.810168] Call Trace: [ 51.812915] __refcount_add_not_zero.constprop.0+0x2a/0x35 [ 51.819075] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 [ 51.825420] direct_entry.cold+0x2c/0x38 8482] RAX: ffffffffb76e43c0 RBX: 0000000000000001 RCX: 000000000[ 51.829819] full_proxy_write+0x53/0x80 [ 51.840302] vfs_write+0xe7/0x3a0 [ 51.844003] ksys_write+0x68/0xf0 [ 51.847705] do_syscall_64+0x30/0x40 [ 51.851739] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 51.857382] RIP: 0033:0x7f1d1eea0833 [ 51.861376] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 51.882367] RSP: 002b:00007ffee7eebd38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 51.890846] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f1d1eea0833 [ 51.898820] RDX: 0000000000000020 RSI: 00007f1d1ed93000 RDI: 0000000000000001 [ 51.906818] RBP: 00007f1d1ed93000 R08: 00007f1d1ed92010 R09: 0000000000000000 [ 51.914790] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 51.922764] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 51.930740] irq event stamp: 0 [ 51.934180] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 51.941183] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 51.950321] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 51.959458] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 51.966461] ---[ end trace a87a77b7dbef1eb4 ]--- [ 51.971618] lkdtm: Saturation detected: still saturated 0000000 # [ 42.186452] RDX: 0000000000000000 RSI: ffffa1863ac1bf70 RDI: ffffffffb84d0fb0 # [ 42.194422] RBP: ffffffffb890fba8 R08: 0000000000000001 R09: 0000000000000001 # [ 42.202393] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 42.210354] R13: ffffbbfa01327f10 R14: ffffbbfa01327f10 R15: ffffa185c404f000 # [ 42.218324] FS: 00007fb47a747580(0000) GS:ffffa1863ac00000(0000) knlGS:0000000000000000 # [ 42.227361] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 42.233776] CR2: ffffffffb7d468c7 CR3: 00000001029a6005 CR4: 00000000003706f0 # [ 42.241747] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 42.251653] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1947, name: cat # [ 42.260099] INFO: lockdep is turned off. # [ 42.264475] irq event stamp: 0 # [ 42.267881] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 42.274881] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 42.284007] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 42.293141] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 42.300140] CPU: 0 PID: 1947 Comm: cat Tainted: G D W 5.10.165-cip24 #1 # [ 42.308790] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 42.315595] Call Trace: # [ [ 52.112594] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED 42.318324] dump_stack+0x77/0x9b # [ 42.322028] ___might_sle[ 52.121927] lkdtm: attempting bad refcount_dec_and_test() from saturated [ 52.135663] ------------[ cut here ]------------ ep.cold+0xa6/0xb6 # [ 42.326607] exit_signals+0x1c/0x2e0 # [ 52.140844] refcount_t: underflow; use-after-free. [ 42.330596] do_exit+0xc2/0xaf0 # [ 42.334100] ? ksys_wri[ 52.152418] WARNING: CPU: 2 PID: 2483 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 [ 52.168053] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify te+0x68/0xf0 # [ 42.337991] ? lkdtm_SLAB_FREE_CROSS.cold+0x3[ 52.194524] CPU: 2 PID: 2483 Comm: cat Tainted: G D W 5.10.165-cip24 #1 [ 52.209381] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 52.216215] RIP: 0010:refcount_warn_saturate+0xba/0x110 [ 52.222054] Code: 01 01 e8 40 b4 95 00 0f 0b c3 cc cc cc cc 80 3d e9 ec 93 01 00 75 85 48 c7 c7 e0 fc 84 b8 c6 05 d9 ec 93 01 01 e8 1d b4 95 00 <0f> 0b c3 cc cc cc cc 80 3d c4 ec 93 01 00 0f 85 5e ff ff ff 48 c7 [ 52.243042] RSP: 0018:ffffbbfa02fb7e40 EFLAGS: 00010286 [ 52.248895] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 [ 52.256863] RDX: ffffa1863ad2c660 RSI: ffffa1863ad1bf70 RDI: ffffa1863ad1bf70 2/0x32 # [ 42.343437] rewind_stack_do_exit+0x17/0x20 # [ [ 52.264850] RBP: ffffffffb88b4310 R08: 0000000000000000 R09: 0000000000000000 [ 52.279031] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 52.287003] R13: ffffbbfa02fb7f10 R14: ffffbbfa02fb7f10 R15: ffffa185c3701000 [ 52.294980] FS: 00007fd34940b580(0000) GS:ffffa1863ad00000(0000) knlGS:0000000000000000 [ 52.304023] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.310443] CR2: 00007fd349214000 CR3: 00000001029b6006 CR4: 00000000003706e0 [ 52.318419] Call Trace: [ 52.321152] __refcount_sub_and_test.constprop.0+0x3c/0x50 [ 52.327314] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 [ 52.333640] direct_entry.cold+0x2c/0x38 [ 52.338045] full_proxy_write+0x53/0x80 [ 52.342329] vfs_write+0xe7/0x3a0 [ 52.346030] ksys_write+0x68/0xf0 [ 52.349734] do_syscall_64+0x30/0x40 [ 52.353757] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 52.359401] RIP: 0033:0x7fd349321833 [ 52.363392] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 52.384376] RSP: 002b:00007ffefdbedde8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 42.348106] RIP: 0033:0x7fb47a65d833 # [ 42.352085] Code: 8b 1[ 52.392850] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fd349321833 [ 52.407036] RDX: 0000000000000020 RSI: 00007fd349214000 RDI: 0000000000000001 [ 52.415009] RBP: 00007fd349214000 R08: 00007fd349213010 R09: 0000000000000000 [ 52.422979] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 5 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00[ 52.430952] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3[ 52.445148] irq event stamp: 0 d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 #[ 52.454768] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 52.467987] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 52.477125] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 [ 52.486265] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 52.493266] ---[ end trace a87a77b7dbef1eb5 ]--- [ 52.498422] lkdtm: Saturation detected: still saturated [ 42.373067] RSP: 002b:00007ffcbef20b48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 42.381525] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007fb47a65d833 # [ 42.389494] RDX: 000000000000000b RSI: 00007fb47a550000 RDI: 0000000000000001 # [ 42.397462] RBP: 00007fb47a550000 R08: 00007fb47a54f010 R09: 0000000000000000 # [ 42.405432] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 42.413402] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # WRITE_KERN: saw 'call trace:': ok ok 41 selftests: lkdtm: WRITE_KERN.sh # selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # [ 42.612582] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 42.620955] lkdtm: attempting good refcount_inc() without overflow # [ 42.634080] lkdtm: attempting bad refcount_inc() overflow # [ 42.646324] ------------[ cut here ]------------ # [ 42.651482] refcount_t: saturated; leaking memory. # [ 42.663074] WARNING: CPU: 1 PID: 1982 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 42.678693] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 42.711343] CPU:[ 52.632764] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED 1 PID: 1982 Comm: cat Tainted: G D W 5.10.165-cip2[ 52.642493] lkdtm: attempting bad refcount_sub_and_test() from saturated 4 #1 # [ 42.726212] Hardware name: Google Rammus/Rammus, BIOS[ 52.656201] ------------[ cut here ]------------ 09/04/2020 # [ 42.739241] RIP: 0010:refcount_warn_saturate+[ 52.667579] refcount_t: underflow; use-after-free. 0x51/0x110 # [ 42.751324] Code: 84 bc 00 00 00 c3 cc cc cc cc[ 52.679171] WARNING: CPU: 1 PID: 2518 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 85 f6 74 46 80 3d 54 ed 93 01 00 75 ee 48 c7 c7 88 fc 84 b8 c6 [ 52.694791] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 05 44 ed 93 01 01 e8 86 b4 95 00 <0f> 0b c3 cc cc cc cc 80 3d 30[ 52.727431] CPU: 1 PID: 2518 Comm: cat Tainted: G D W 5.10.165-cip24 #1 ed 93 01 00 75 cb 48 c7 c7 b0 fc 84 # [ 42.778506] RSP: 0018[ 52.742300] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 :ffffbbfa0282fe48 EFLAGS: 00010286 # [ 42.790558] RAX: 000000[ 52.755326] RIP: 0010:refcount_warn_saturate+0xba/0x110 0000000000 RBX: 000000000000002b RCX: 0000000000000000 # [ 42[ 52.767376] Code: 01 01 e8 40 b4 95 00 0f 0b c3 cc cc cc cc 80 3d e9 ec 93 01 00 75 85 48 c7 c7 e0 fc 84 b8 c6 05 d9 ec 93 01 01 e8 1d b4 95 00 <0f> 0b c3 cc cc cc cc 80 3d c4 ec 93 01 00 0f 85 5e ff ff ff 48 c7 .804750] RDX: ffffa1863acac660 RSI: ffffa1863ac9bf70 RDI: ffffa1[ 52.794578] RSP: 0018:ffffbbfa03037e40 EFLAGS: 00010286 863ac9bf70 # [ 42.818942] RBP: ffffffffb88b45fd R08: 00000000[ 52.806630] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 00000000 R09: 0000000000000000 # [ 42.833132] R10: 00000000ff[ 52.820817] RDX: ffffa1863acac660 RSI: ffffa1863ac9bf70 RDI: ffffa1863ac9bf70 [ 52.835004] RBP: ffffffffb88b4330 R08: 0000000000000000 R09: 0000000000000000 ffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 42.847[ 52.842978] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 52.857159] R13: ffffbbfa03037f10 R14: ffffbbfa03037f10 R15: ffffa185c42af000 323] R13: ffffbbfa0282ff10 R14: ffffbbfa0282ff10 R15: ffffa185c5[ 52.865134] FS: 00007fe3e8d80580(0000) GS:ffffa1863ac80000(0000) knlGS:0000000000000000 [ 52.880384] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 54d000 # [ 42.855300] FS: 00007fbb8e66e580(0000) GS:ffffa186[ 52.886805] CR2: 00007fe3e8b89000 CR3: 0000000105c58004 CR4: 00000000003706e0 [ 52.900986] Call Trace: 3ac80000(0000) knlGS:0000000000000000 # [ 42.870553] CS: 001[ 52.903720] __refcount_sub_and_test.constprop.0+0x3c/0x50 0 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 42.883191] CR2:[ 52.916055] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 00007fbb8e477000 CR3: 0000000104e3c006 CR4: 00000000003706e0 #[ 52.928598] direct_entry.cold+0x2c/0x38 [ 42.897382] Call Trace: # [ 42.900116] lkdtm_REFCOUNT_IN[ 52.939195] full_proxy_write+0x53/0x80 C_OVERFLOW+0x70/0x98 # [ 42.911683] direct_entry.cold+0x2c/0[ 52.949695] vfs_write+0xe7/0x3a0 x38 # [ 42.922278] full_proxy_write+0x53/0x80 # [ 42.9327[ 52.959610] ksys_write+0x68/0xf0 76] vfs_write+0xe7/0x3a0 # [ 42.942692] ksys_write+0x68/0xf[ 52.969528] do_syscall_64+0x30/0x40 0 # [ 42.952611] do_syscall_64+0x30/0x40 # [ 42.962838] [ 52.979734] entry_SYSCALL_64_after_hwframe+0x61/0xc6 entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 42.974704] RIP: [ 52.991593] RIP: 0033:0x7fe3e8c96833 [ 53.001799] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 0033:0x7fbb8e584833 # [ 42.984914] Code: 8b 15 61 26 0e 00 f7[ 53.022793] RSP: 002b:00007fff78056968 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 [ 53.037467] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fe3e8c96833 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77[ 53.051658] RDX: 0000000000000020 RSI: 00007fe3e8b89000 RDI: 0000000000000001 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 43.005941] [ 53.065852] RBP: 00007fe3e8b89000 R08: 00007fe3e8b88010 R09: 0000000000000000 RSP: 002b:00007fff45576f28 EFLAGS: 00000246 ORIG_RAX: 0000000000[ 53.080065] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 000001 # [ 43.020596] RAX: ffffffffffffffda RBX: 000000000000[ 53.094250] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0016 RCX: 00007fbb8e584833 # [ 43.028570] RDX: 00000000000000[ 53.108421] irq event stamp: 0 [ 53.118042] hardirqs last enabled at (0): [<0000000000000000>] 0x0 16 RSI: 00007fbb8e477000 RDI: 0000000000000001 # [ 43.042756][ 53.125046] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 [ 53.140392] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 RBP: 00007fbb8e477000 R08: 00007fbb8e476010 R09: 00000000000000[ 53.149531] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 53.162740] ---[ end trace a87a77b7dbef1eb6 ]--- 00 # [ 43.050730] R10: fffffffffffffbc5 R11: 0000000000000246[ 53.167899] lkdtm: Saturation detected: still saturated R12: 0000000000000001 # [ 43.064915] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 43.072945] irq event stamp: 0 # [ 43.082544] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 43.089551] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 43.104919] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 43.114060] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 43.127274] ---[ end trace a87a77b7dbef1ea6 ]--- # [ 43.132434] 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 # [ 43.276466] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 43.287271] lkdtm: attempting good refcount_add() without overflow # [ 43.300406] lkdtm: attempting bad refcount_add() overflow # [ 43.312670] ------------[ cut here ]------------ # [ 43.324041] refcount_t: saturated; leaking memory. # [ 43.335620] WARNING: CPU: 0 PID: 2014 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 43.351278] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 43.383936] CPU: 0 PID: 2014 Comm: cat Tainted: G D W 5.10.165-cip24 #1 # [ 43.398784] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 43.411839] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 43.423875] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 54 ed 93 01 00 75 ee 48 c7 c7 88 fc 84 b8 c6 05 44 ed 93 01 01 e8 86 b4 95 00 <0f> 0b c3 cc cc cc cc 80 3d 30 ed 93 01 00 75 cb 4[ 53.358648] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO [ 53.366896] lkdtm: attempting good copy_to_user of correct size [ 53.373523] lkdtm: attempting bad copy_to_user of too large size 8 c7 c7 b0 fc 84 # [ 43.451094] RSP: 0018:ffffbbfa02897e48 EFLAGS: 00010286 # [ 43.463153] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 # [ 43.477366] RDX: ffffa1863ac2c660 RSI: ffffa1863ac1bf70 RDI: ffffa1863ac1bf70 # [ 43.491569] RBP: ffffffffb88b4613 R08: 0000000000000000 R09: 0000000000000000 # [ 43.505774] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 43.519976] R13: ffffbbfa02897f10 R14: ffffbbfa02897f10 R15: ffffa185c2d3b000 # [ 43.534191] FS: 00007efcc95ff580(0000) GS:ffffa1863ac00000(0000) knlGS:0000000000000000 # [ 43.549458] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 43.562116] CR2: 00007efcc9408000 CR3: 00000001029ea003 CR4: 00000000003706f0 # [ 43.576308] Call Trace: # [ 43.585279] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 # [ 43.596929] direct_entry.cold+0x2c/0x38 # [ 43.607503] full_proxy_write+0x53/0x80 # [ 43.618122] vfs_write+0xe7/0x3a0 # [ 43.628052] ksys_write+0x68/0xf0 # [ 43.637955] do_syscall_64+0x30/0x40 # [ 43.648190] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 43.660049] RIP: 0033:0x7efcc9515833 # [ 43.670290] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 43.697516] RSP: 002b:00007ffea32a1778 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 43.712[ 53.520642] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM 223] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007efcc9[ 53.530140] lkdtm: attempting good copy_from_user of correct size 515833 # [ 43.726444] RDX: 0000000000000016 RSI: 00007efcc940[ 53.543187] lkdtm: attempting bad copy_from_user of too large size 8000 RDI: 0000000000000001 # [ 43.740629] RBP: 00007efcc9408000 R08: 00007efcc9407010 R09: 0000000000000000 # [ 43.754847] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 43.769094] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 43.783295] irq event stamp: 0 # [ 43.792954] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 43.806200] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 43.821529] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 43.836920] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 43.850191] ---[ end trace a87a77b7dbef1ea7 ]--- # [ 43.861554] 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 # [ 43.987865] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 43.998545] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 44.011658] ------------[ cut here ]------------ # [ 44.023011] refcount_t: saturated; leaking memory. # [ 44.034624] WARNING: CPU: 0[ 53.670462] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO PID: 2046 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x11[ 53.681580] lkdtm: attempting good copy_to_user inside whitelist 0 # [ 44.050256] Modules linked in: fuse ip_tables cros_ec_se[ 53.694533] lkdtm: attempting bad copy_to_user outside whitelist nsors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 44.082921] CPU: 0 PID: 2046 Comm: cat Tainted: G D W 5.10.165-cip24 #1 # [ 44.097769] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 44.110803] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 44.122876] Code: 01 01 e8 63 b4 95 00 0f 0b c3 cc cc cc cc 80 3d 0f ed 93 01 00 75 a8 48 c7 c7 88 fc 84 b8 c6 05 ff ec 93 01 01 e8 40 b4 95 00 <0f> 0b c3 cc cc cc cc 80 3d e9 ec 93 01 00 75 85 48 c7 c7 e0 fc 84 # [ 44.150112] RSP: 0018:ffffbbfa02907e38 EFLAGS: 00010282 # [ 44.162152] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 44.176377] RDX: ffffa1863ac2c660 RSI: ffffa1863ac1bf70 RDI: ffffa1863ac1bf70 # [ 44.190535] RBP: ffffffffb88b4250 R08: 0000000000000000 R09: 0000000000000000 # [ 44.204747] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 44.218938] R13: ffffbbfa02907f10 R14: ffffbbfa02907f10 R15: ffffa185c3466000 # [ 44.233172] FS: 00007fa728da1580(0000) GS:ffffa1863ac00000(0000) knlGS:0[ 53.824242] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM [ 53.832961] lkdtm: attempting good copy_from_user inside whitelist [ 53.839885] lkdtm: attempting bad copy_from_user outside whitelist 000000000000000 # [ 44.248389] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 44.261032] CR2: 00007fa728baa000 CR3: 000000010550e001 CR4: 00000000003706f0 # [ 44.275222] Call Trace: # [ 44.284183] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 44.296508] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 44.308995] direct_entry.cold+0x2c/0x38 # [ 44.319554] full_proxy_write+0x53/0x80 # [ 44.330081] vfs_write+0xe7/0x3a0 # [ 44.339979] ksys_write+0x68/0xf0 # [ 44.349968] do_syscall_64+0x30/0x40 # [ 44.360131] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 44.372002] RIP: 0033:0x7fa728cb7833 # [ 44.382201] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 44.409421] RSP: 002b:00007ffc7d0f4eb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 44.424096] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fa728cb7833 # [ 44.438299] RDX: 000000000000001f RSI: 00007fa728baa000 RDI: 0000000000000001 # [ 44.452475] RBP: 00007fa728baa000 R08: 00007fa728ba9010 R09: 0000000000000000 # [ 44.466708] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 44.480876] R13: 0000000000000001 R14: 00000000[ 53.976126] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO 00020000 R15: 0000000000020000 # [ 44.495106] irq event stamp[ 53.984231] lkdtm: good_stack: ffffbbfa033efe20-ffffbbfa033efe40 : 0 # [ 44.504693] hardirqs last enabled at (0): [<000000000[ 53.997157] lkdtm: bad_stack : ffffbbfa033efda8-ffffbbfa033efdc8 0000000>] 0x0 # [ 44.517937] hardirqs last disabled at (0): [[ 54.010118] lkdtm: attempting good copy_to_user of local stack ] copy_process+0x664/0x1cb0 # [ 44.533286] [ 54.022872] lkdtm: attempting bad copy_to_user of distant stack softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 44.548655] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 44.561894] ---[ end trace a87a77b7dbef1ea8 ]--- # [ 44.573259] lkdtm: Overflow detected: saturated # REFCOUNT_INC_NOT_ZERO_OVERFLOW: saw 'call trace:': ok ok 44 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh # [ 44.714616] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 44.722645] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 44.735807] ------------[ cut here ]------------ # [ 44.747199] refcount_t: saturated; leaking memory. # [ 44.758779] WARNING: CPU: 0 PID: 2078 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 44.774435] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 44.807076] CPU: 0 PID: 2078 Comm: cat Tainted: G D W 5.10.165-cip24 #1 # [ 44.821952] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 44.834982] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 44.847038] Code: 01 01 e8 63 b4 95 00 0f 0b c3 cc cc cc cc 80 3d 0f ed 93 01 00 75 a8 48 c7 c7 88 fc 84 b8 c6 05 ff ec 93 01 01 e8 40 b4 95 00 <0f> 0b c3 cc cc cc cc 80 3[ 54.176060] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM [ 54.185810] lkdtm: good_stack: ffffbbfa0343fe20-ffffbbfa0343fe40 [ 54.192569] lkdtm: bad_stack : ffffbbfa0343fda8-ffffbbfa0343fdc8 [ 54.199321] lkdtm: attempting good copy_from_user of local stack d e9 ec 93 01 00 75 85 48 c7 c7 e0 fc 84 # [ 44.874239] RSP: [ 54.206050] lkdtm: attempting bad copy_from_user of distant stack 0018:ffffbbfa0295fe38 EFLAGS: 00010282 # [ 44.886313] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 44.900543] RDX: ffffa1863ac2c660 RSI: ffffa1863ac1bf70 RDI: ffffa1863ac1bf70 # [ 44.914701] RBP: ffffffffb88b4270 R08: 0000000000000000 R09: 0000000000000000 # [ 44.929017] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 44.943144] R13: ffffbbfa0295ff10 R14: ffffbbfa0295ff10 R15: ffffa185c2732000 # [ 44.957384] FS: 00007fe41191e580(0000) GS:ffffa1863ac00000(0000) knlGS:0000000000000000 # [ 44.972606] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 44.985271] CR2: 00007fe411727000 CR3: 0000000105c42005 CR4: 00000000003706f0 # [ 44.999480] Call Trace: # [ 45.008463] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 45.020821] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 45.033325] direct_entry.cold+0x2c/0x38 # [ 45.043865] full_proxy_write+0x53/0x80 # [ 45.054382] vfs_write+0xe7/0x3a0 # [ 45.064287] ksys_write+0x68/0xf0 # [ 45.074216] do_syscall_64+0x30/0x40 # [ 45.084401] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 45.096273] RIP: 0033:0x7fe411834833 # [ 45.106475] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 45.133706] RSP: 002b:00007ffe3f0cedd8 EFLAGS: 00000246 ORIG_R[ 54.358244] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND AX: 0000000000000001 # [ 45.148370] RAX: ffffffffffffffda RBX[ 54.368836] lkdtm: good_stack: ffffbbfa0341fe20-ffffbbfa0341fe40 : 000000000000001f RCX: 00007fe411834833 # [ 45.162570] RDX: [ 54.381732] lkdtm: bad_stack : ffffbbfa0341fff8-ffffbbfa03420018 000000000000001f RSI: 00007fe411727000 RDI: 0000000000000001 # [ 54.394655] lkdtm: attempting good copy_to_user of local stack [ 45.176728] RBP: 00007fe411727000 R08: 00007fe411726010 R09: [ 54.407384] lkdtm: attempting bad copy_to_user of distant stack 0000000000000000 # [ 45.190934] R10: fffffffffffffbc5 R11: 00[ 54.420241] lkdtm: copy_to_user failed, but lacked Oops 00000000000246 R12: 0000000000000001 # [ 45.205118] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 45.219325] irq event stamp: 0 # [ 45.228942] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 45.242195] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 45.257525] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 45.272909] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 45.286106] ---[ end trace a87a77b7dbef1ea9 ]--- # [ 45.297486] 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 # [ 45.426120] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 45.433154] lkdtm: attempting good refcount_dec() # [ 45.438423] lkdtm: attempting bad refcount_dec() to zero # [ 45.444363] ------------[ cut here ]------------ # [ 45.449523] refcount_t: decrement hit 0; leaking memory. # [ 45.455492] WARNING: CPU: 2 PID: 2110 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 45.464929] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_[ 54.555833] lkdtm: Performing direct entry USERCOPY_KERNEL [ 54.562937] lkdtm: attempting good copy_to_user from kernel rodata: ffffffffb84d1450 [ 54.571605] lkdtm: attempting bad copy_to_user from kernel text: ffffffffb70e3ac0 [ 54.579977] lkdtm: FAIL: survived bad copy_to_user() buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 45.497572] CPU: 2 PID: 2110 Comm: cat Tainted: G D W 5.10.165-cip24 #1 # [ 45.506258] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 45.513093] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 45.518931] Code: 38 fd 84 b8 c6 05 b0 ec 93 01 01 e8 f6 b3 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 08 fd 84 b8 c6 05 97 ec 93 01 01 e8 dc b3 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 45.539922] RSP: 0018:ffffbbfa029dfe48 EFLAGS: 00010286 # [ 45.545760] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 # [ 45.553734] RDX: ffffa1863ad2c660 RSI: ffffa1863ad1bf70 RDI: ffffa1863ad1bf70 # [ 45.561711] RBP: ffffffffb88b4629 R08: 0000000000000000 R09: 0000000000000000 # [ 45.569685] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 45.577659] R13: ffffbbfa029dff10 R14: ffffbbfa029dff10 R15: ffffa185c3710000 # [ 45.585636] FS: 00007f6321853580(0000) GS:ffffa1863ad00000(0000) knlGS:0000000000000000 # [ 45.600900] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 45.613534] CR2: 00007f632165c000 CR3: 0000000102654002 CR4: 00000000003706e0 # [ 45.[ 54.715751] lkdtm: Performing direct entry STACKLEAK_ERASING [ 54.722433] lkdtm: checking unused part of the thread stack (15928 bytes)... [ 54.730349] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) [ 54.738147] lkdtm: FAIL: the thread stack is NOT properly erased [ 54.744869] CPU: 2 PID: 2883 Comm: cat Tainted: G D W 5.10.165-cip24 #1 627747] Call Trace: # [ 45.636691] lkdtm_REFCOUNT_DEC_ZERO+0[ 54.753527] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 54.766546] Call Trace: [ 54.769277] dump_stack+0x77/0x9b [ 54.772999] lkdtm_STACKLEAK_ERASING+0x116/0x144 [ 54.778155] direct_entry.cold+0x2c/0x38 [ 54.782525] full_proxy_write+0x53/0x80 [ 54.786807] vfs_write+0xe7/0x3a0 [ 54.790506] ksys_write+0x68/0xf0 [ 54.794197] do_syscall_64+0x30/0x40 [ 54.798187] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 54.803850] RIP: 0033:0x7fac9986f833 [ 54.807848] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 54.828846] RSP: 002b:00007fff5f0d8618 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 54.837304] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fac9986f833 [ 54.845275] RDX: 0000000000000012 RSI: 00007fac99762000 RDI: 0000000000000001 [ 54.853246] RBP: 00007fac99762000 R08: 00007fac99761010 R09: 0000000000000000 [ 54.861216] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 54.869186] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 x4d/0xbd # [ 45.641684] direct_entry.cold+0x2c/0x38 # [ 45.652274] full_proxy_write+0x53/0x80 # [ 45.656581] vfs_write+0xe7/0x3a0 # [ 45.660329] ksys_write+0x68/0xf0 # [ 45.664046] do_syscall_64+0x30/0x40 # [ 45.674242] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 45.679899] RIP: 0033:0x7f6321769833 # [ 45.683906] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 45.704901] RSP: 002b:00007fff7821a7c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 45.713387] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f6321769833 # [ 45.721363] RDX: 0000000000000012 RSI: 00007f632165c000 RDI: 0000000000000001 # [ 45.729336] RBP: 00007f632165c000 R08: 00007f632165b010 R09: 0000000000000000 # [ 45.737310] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 45.745284] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 45.753280] irq event stamp: 0 # [ 45.756698] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 45.769916] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 45.779081] [ 55.000144] lkdtm: Performing direct entry CFI_FORWARD_PROTO [ 55.007871] lkdtm: Calling matched prototype ... softirqs last enabled at (0): [] copy_process[ 55.013056] lkdtm: Calling mismatched prototype ... +0x664/0x1cb0 # [ 45.788223] softirqs last disabled at (0): [[ 55.024704] lkdtm: Fail: survived mismatched prototype function call! <0000000000000000>] 0x0 # [ 45.795226] ---[ end trace a87a77b7dbef1eaa ]--- # [ 45.800385] 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 # [ 45.919323] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 45.929907] lkdtm: attempting bad refcount_dec() below zero # [ 45.942355] ------------[ cut here ]------------ # [ 45.953710] refcount_t: decrement hit 0; leaking memory. # [ 45.965881] WARNING: CPU: 1 PID: 2145 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 45.981514] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 46.014166] CPU: 1 PID: 2145 Comm: cat Tainted: G D W 5.10.165-cip24 #1 # [ 46.029033] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 46.042058] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 46.054110] Code: 38 fd 84 b8 c6 05 b0 ec 93 01 01 e8 f6 b3 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 08 fd 84 b8 c6 05 97 ec 93 01 01 e8 dc b3 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 46.081319] RSP: 0018:ffffbbfa02a77e48 EFLAGS: 00010286 # [ 46.093374] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 # [ 46.107565] RDX: ffffa1863acac660 RSI: ffffa1863ac9bf70 RDI: ffffa1863ac9bf70 # [ 46.121756] RBP: ffffffffb88b463b R08: 0000000000000000 R09: 0000000000000000 # [ 46.135945] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 46.150135] R13: ffffbbfa02a77f10 R14: ffffbbfa02a77f10 R15: ffffa185c334a000 # [ 46.164327] FS: 00007fdba8a55580(0000) GS:ffffa1863ac80000(0000) knlGS:0000000000000000 # [ 46.179586] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 46.192222] CR2: 00007fdba885e000 CR3: 000000010428c004 CR4: 00000000003706e0 # [ 46.206415] Call Trace: # [ 46.215367] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 # [ 46.226936] direct_entry.cold+0x2c/0x38 # [ 46.237534] full_proxy_write+0x53/0x80 # [ 46.248033] vfs_write+0xe7/0x3a0 # [ 46.251735] ksys_write+0x68/0xf0 # [ 46.261650] do_syscall_64+0x30/0x40 # [ 46.271857] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 46.277504] RIP: 0033:0x7fdba896b833 # [ 46.287708] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 46.314916] RSP: 002b:00007ffee9443df8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 46.323378] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fdba896b833 # [ 46.335623] RDX: 0000000000000016 RSI: 00007fdba885e000 RDI: 0000000000000001 # [ 46.349816] RBP: 00007fdba885e000 R08: 00007fdba885d010 R09: 0000000000000000 # [ 46.359538] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 46.367708] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 46.375706] irq event stamp: 0 # [ 46.385310] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 46.398529] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 46.407694] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 46.423045] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 46.436264] ---[ end trace a87a77b7dbef1eab ]--- # [ 46.447638] 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 # [ 46.561757] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 46.572228] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 46.579338] ------------[ cut here ]------------ # [ 46.584505] refcount_t: underflow; use-after-free. # [ 46.596082] WARNING: CPU: 3 PID: 2180 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 46.611719] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 46.638182] CPU: 3 PID: 2180 Comm: cat Tainted: G D W 5.10.165-cip24 #1 # [ 46.653045] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 46.659860] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 46.665697] Code: 01 01 e8 40 b4 95 00 0f 0b c3 cc cc cc cc 80 3d e9 ec 93 01 00 75 85 48 c7 c7 e0 fc 84 b8 c6 05 d9 ec 93 01 01 e8 1d b4 95 00 <0f> 0b c3 cc cc cc cc 80 3d c4 ec 93 01 00 0f 85 5e ff ff ff 48 c7 # [ 46.686688] RSP: 0018:ffffbbfa02ae7e40 EFLAGS: 00010286 # [ 46.692525] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 # [ 46.700500] RDX: ffffa1863adac660 RSI: ffffa1863ad9bf70 RDI: ffffa1863ad9bf70 # [ 46.708476] RBP: ffffffffb88b4290 R08: 0000000000000000 R09: 0000000000000000 # [ 46.716451] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 46.724425] R13: ffffbbfa02ae7f10 R14: ffffbbfa02ae7f10 R15: ffffa185c4e81000 # [ 46.732399] FS: 00007fbe91c34580(0000) GS:ffffa1863ad80000(0000) knlGS:0000000000000000 # [ 46.741440] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 46.747862] CR2: 00007fbe91a3d000 CR3: 0000000103296006 CR4: 00000000003706e0 # [ 46.755853] Call Trace: # [ 46.758587] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 46.770927] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 # [ 46.777180] direct_entry.cold+0x2c/0x38 # [ 46.781562] full_proxy_write+0x53/0x80 # [ 46.785855] vfs_write+0xe7/0x3a0 # [ 46.795763] ksys_write+0x68/0xf0 # [ 46.805684] do_syscall_64+0x30/0x40 # [ 46.809706] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 46.815352] RIP: 0033:0x7fbe91b4a833 # [ 46.819343] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 46.840333] RSP: 002b:00007ffee2c2c168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 46.848794] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fbe91b4a833 # [ 46.856770] RDX: 000000000000001f RSI: 00007fbe91a3d000 RDI: 0000000000000001 # [ 46.864746] RBP: 00007fbe91a3d000 R08: 00007fbe91a3c010 R09: 0000000000000000 # [ 46.878936] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 46.893128] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 46.901106] irq event stamp: 0 # [ 46.904537] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 46.911539] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 46.920702] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 46.929855] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 46.943067] ---[ end trace a87a77b7dbef1eac ]--- # [ 46.948223] lkdtm: Negative detected: saturated # REFCOUNT_DEC_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok ok 48 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh # [ 47.082450] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 47.091494] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 47.104831] ------------[ cut here ]------------ # [ 47.116185] refcount_t: underflow; use-after-free. # [ 47.127783] WARNING: CPU: 0 PID: 2215 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 47.143420] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 47.176069] CPU: 0 PID: 2215 Comm: cat Tainted: G D W 5.10.165-cip24 #1 # [ 47.190952] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 47.204020] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 47.216060] Code: 01 01 e8 40 b4 95 00 0f 0b c3 cc cc cc cc 80 3d e9 ec 93 01 00 75 85 48 c7 c7 e0 fc 84 b8 c6 05 d9 ec 93 01 01 e8 1d b4 95 00 <0f> 0b c3 cc cc cc cc 80 3d c4 ec 93 01 00 0f 85 5e ff ff ff 48 c7 # [ 47.243366] RSP: 0018:ffffbbfa02b7fe40 EFLAGS: 00010286 # [ 47.255385] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 # [ 47.269587] RDX: ffffa1863ac2c660 RSI: ffffa1863ac1bf70 RDI: ffffa1863ac1bf70 # [ 47.283805] RBP: ffffffffb88b42b0 R08: 0000000000000000 R09: 0000000000000000 # [ 47.297991] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 47.312183] R13: ffffbbfa02b7ff10 R14: ffffbbfa02b7ff10 R15: ffffa185c554f000 # [ 47.326363] FS: 00007f707607e580(0000) GS:ffffa1863ac00000(0000) knlGS:0000000000000000 # [ 47.341647] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 47.354269] CR2: 00007f7075e87000 CR3: 0000000102db6003 CR4: 00000000003706f0 # [ 47.368464] Call Trace: # [ 47.377448] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 47.389793] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b # [ 47.402240] direct_entry.cold+0x2c/0x38 # [ 47.412840] full_proxy_write+0x53/0x80 # [ 47.423348] vfs_write+0xe7/0x3a0 # [ 47.433245] ksys_write+0x68/0xf0 # [ 47.443159] do_syscall_64+0x30/0x40 # [ 47.453356] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 47.465188] RIP: 0033:0x7f7075f94833 # [ 47.475397] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 47.502638] RSP: 002b:00007ffc60d85338 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 47.517298] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f7075f94833 # [ 47.531497] RDX: 000000000000001f RSI: 00007f7075e87000 RDI: 0000000000000001 # [ 47.545698] RBP: 00007f7075e87000 R08: 00007f7075e86010 R09: 0000000000000000 # [ 47.559891] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 47.574084] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 47.588284] irq event stamp: 0 # [ 47.597901] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 47.611123] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 47.626517] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 47.641872] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 47.655120] ---[ end trace a87a77b7dbef1ead ]--- # [ 47.666489] 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 # [ 47.801224] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 47.808431] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 47.821744] lkdtm: Good: zero detected # [ 47.832151] lkdtm: Correctly stayed at zero # [ 47.843035] lkdtm: attempting bad refcount_inc() from zero # [ 47.855383] ------------[ cut here ]------------ # [ 47.866760] refcount_t: addition on 0; use-after-free. # [ 47.878750] WARNING: CPU: 1 PID: 2247 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 47.894364] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 47.927040] CPU: 1 PID: 2247 Comm: cat Tainted: G D W 5.10.165-cip24 #1 # [ 47.941925] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 47.954929] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 47.966981] Code: 01 01 e8 86 b4 95 00 0f 0b c3 cc cc cc cc 80 3d 30 ed 93 01 00 75 cb 48 c7 c7 b0 fc 84 b8 c6 05 20 ed 93 01 01 e8 63 b4 95 00 <0f> 0b c3 cc cc cc cc 80 3d 0f ed 93 01 00 75 a8 48 c7 c7 88 fc 84 # [ 47.994185] RSP: 0018:ffffbbfa02c17e48 EFLAGS: 00010286 # [ 48.006240] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 # [ 48.020428] RDX: ffffa1863acac660 RSI: ffffa1863ac9bf70 RDI: ffffa1863ac9bf70 # [ 48.034618] RBP: ffffffffb88b4651 R08: 0000000000000000 R09: 0000000000000000 # [ 48.048809] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 48.063000] R13: ffffbbfa02c17f10 R14: ffffbbfa02c17f10 R15: ffffa185c3593000 # [ 48.077193] FS: 00007fe445183580(0000) GS:ffffa1863ac80000(0000) knlGS:0000000000000000 # [ 48.092452] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 48.105088] CR2: 00007fe444f8c000 CR3: 0000000104dc6001 CR4: 00000000003706e0 # [ 48.119277] Call Trace: # [ 48.128227] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 # [ 48.139404] direct_entry.cold+0x2c/0x38 # [ 48.150000] full_proxy_write+0x53/0x80 # [ 48.160494] vfs_write+0xe7/0x3a0 # [ 48.170411] ksys_write+0x68/0xf0 # [ 48.180327] do_syscall_64+0x30/0x40 # [ 48.190533] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 48.202392] RIP: 0033:0x7fe445099833 # [ 48.212597] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 48.239799] RSP: 002b:00007ffe31e90818 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 48.254473] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fe445099833 # [ 48.268660] RDX: 0000000000000012 RSI: 00007fe444f8c000 RDI: 0000000000000001 # [ 48.282847] RBP: 00007fe444f8c000 R08: 00007fe444f8b010 R09: 0000000000000000 # [ 48.297034] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 48.311222] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 48.325416] irq event stamp: 0 # [ 48.335034] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 48.335037] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 48.335039] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 48.335041] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 48.379724] ---[ end trace a87a77b7dbef1eae ]--- # [ 48.384882] 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 # [ 48.531168] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 48.538862] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 48.552177] lkdtm: Good: zero detected # [ 48.562578] lkdtm: Correctly stayed at zero # [ 48.573463] lkdtm: attempting bad refcount_add() from zero # [ 48.585808] ------------[ cut here ]------------ # [ 48.597184] refcount_t: addition on 0; use-after-free. # [ 48.609165] WARNING: CPU: 1 PID: 2279 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 48.624780] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 48.657428] CPU: 1 PID: 2279 Comm: cat Tainted: G D W 5.10.165-cip24 #1 # [ 48.672297] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 48.685319] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 48.697372] Code: 01 01 e8 86 b4 95 00 0f 0b c3 cc cc cc cc 80 3d 30 ed 93 01 00 75 cb 48 c7 c7 b0 fc 84 b8 c6 05 20 ed 93 01 01 e8 63 b4 95 00 <0f> 0b c3 cc cc cc cc 80 3d 0f ed 93 01 00 75 a8 48 c7 c7 88 fc 84 # [ 48.724576] RSP: 0018:ffffbbfa02c97e48 EFLAGS: 00010286 # [ 48.736631] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 # [ 48.750839] RDX: ffffa1863acac660 RSI: ffffa1863ac9bf70 RDI: ffffa1863ac9bf70 # [ 48.765036] RBP: ffffffffb88b4663 R08: 0000000000000000 R09: 0000000000000000 # [ 48.779227] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 48.793418] R13: ffffbbfa02c97f10 R14: ffffbbfa02c97f10 R15: ffffa185c4f59000 # [ 48.807607] FS: 00007f67e42ac580(0000) GS:ffffa1863ac80000(0000) knlGS:0000000000000000 # [ 48.822890] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 48.835521] CR2: 00007f67e40b5000 CR3: 00000001035da003 CR4: 00000000003706e0 # [ 48.849710] Call Trace: # [ 48.852444] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 # [ 48.863618] direct_entry.cold+0x2c/0x38 # [ 48.874242] full_proxy_write+0x53/0x80 # [ 48.884731] vfs_write+0xe7/0x3a0 # [ 48.894625] ksys_write+0x68/0xf0 # [ 48.904540] do_syscall_64+0x30/0x40 # [ 48.914749] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 48.926609] RIP: 0033:0x7f67e41c2833 # [ 48.936818] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 48.964023] RSP: 002b:00007ffd186eb368 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 48.978700] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f67e41c2833 # [ 48.986675] RDX: 0000000000000012 RSI: 00007f67e40b5000 RDI: 0000000000000001 # [ 49.000862] RBP: 00007f67e40b5000 R08: 00007f67e40b4010 R09: 0000000000000000 # [ 49.015053] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 49.023028] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 49.037237] irq event stamp: 0 # [ 49.046854] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 49.060075] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 49.075432] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 49.084571] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 49.097787] ---[ end trace a87a77b7dbef1eaf ]--- # [ 49.109164] lkdtm: Zero detected: saturated # REFCOUNT_ADD_ZERO: saw 'call trace:': ok ok 51 selftests: lkdtm: REFCOUNT_ADD_ZERO.sh # selftests: lkdtm: REFCOUNT_INC_SATURATED.sh # [ 49.231015] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 49.238729] lkdtm: attempting bad refcount_inc() from saturated # [ 49.251582] ------------[ cut here ]------------ # [ 49.262935] refcount_t: saturated; leaking memory. # [ 49.268316] WARNING: CPU: 1 PID: 2314 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 49.283930] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 49.316578] CPU: 1 PID: 2314 Comm: cat Tainted: G D W 5.10.165-cip24 #1 # [ 49.331446] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 49.338258] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 49.350310] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 54 ed 93 01 00 75 ee 48 c7 c7 88 fc 84 b8 c6 05 44 ed 93 01 01 e8 86 b4 95 00 <0f> 0b c3 cc cc cc cc 80 3d 30 ed 93 01 00 75 cb 48 c7 c7 b0 fc 84 # [ 49.371321] RSP: 0018:ffffbbfa02d27e48 EFLAGS: 00010286 # [ 49.383373] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 # [ 49.397561] RDX: ffffa1863acac660 RSI: ffffa1863ac9bf70 RDI: ffffa1863ac9bf70 # [ 49.411750] RBP: ffffffffb88b4675 R08: 0000000000000000 R09: 0000000000000000 # [ 49.425941] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 49.433916] R13: ffffbbfa02d27f10 R14: ffffbbfa02d27f10 R15: ffffa185c4006000 # [ 49.448130] FS: 00007fc1a6cd8580(0000) GS:ffffa1863ac80000(0000) knlGS:0000000000000000 # [ 49.463362] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 49.475995] CR2: 00007fc1a6ae1000 CR3: 0000000102740001 CR4: 00000000003706e0 # [ 49.483968] Call Trace: # [ 49.492917] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 # [ 49.504582] direct_entry.cold+0x2c/0x38 # [ 49.515178] full_proxy_write+0x53/0x80 # [ 49.525680] vfs_write+0xe7/0x3a0 # [ 49.535596] ksys_write+0x68/0xf0 # [ 49.545514] do_syscall_64+0x30/0x40 # [ 49.555721] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 49.567581] RIP: 0033:0x7fc1a6bee833 # [ 49.577787] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 49.598774] RSP: 002b:00007ffca73f8db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 49.613444] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fc1a6bee833 # [ 49.627633] RDX: 0000000000000017 RSI: 00007fc1a6ae1000 RDI: 0000000000000001 # [ 49.635607] RBP: 00007fc1a6ae1000 R08: 00007fc1a6ae0010 R09: 0000000000000000 # [ 49.649791] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 49.657767] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 49.671962] irq event stamp: 0 # [ 49.681586] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 49.694806] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 49.710160] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 49.719302] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 49.732515] ---[ end trace a87a77b7dbef1eb0 ]--- # [ 49.737674] 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 # [ 49.892625] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 49.905734] lkdtm: attempting bad refcount_dec() from saturated # [ 49.912354] ------------[ cut here ]------------ # [ 49.917538] refcount_t: decrement hit 0; leaking memory. # [ 49.929715] WARNING: CPU: 3 PID: 2349 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 49.939153] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 49.971813] CPU: 3 PID: 2349 Comm: cat Tainted: G D W 5.10.165-cip24 #1 # [ 49.980480] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 49.993502] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 49.999366] Code: 38 fd 84 b8 c6 05 b0 ec 93 01 01 e8 f6 b3 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 08 fd 84 b8 c6 05 97 ec 93 01 01 e8 dc b3 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 50.020369] RSP: 0018:ffffbbfa02dafe48 EFLAGS: 00010286 # [ 50.032415] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 # [ 50.040389] RDX: ffffa1863adac660 RSI: ffffa1863ad9bf70 RDI: ffffa1863ad9bf70 # [ 50.048362] RBP: ffffffffb88b468c R08: 0000000000000000 R09: 0000000000000000 # [ 50.056337] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 50.064312] R13: ffffbbfa02daff10 R14: ffffbbfa02daff10 R15: ffffa185c5dd0000 # [ 50.072287] FS: 00007f8336b25580(0000) GS:ffffa1863ad80000(0000) knlGS:0000000000000000 # [ 50.081329] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 50.087748] CR2: 00007f833692e000 CR3: 000000010406c003 CR4: 00000000003706e0 # [ 50.095723] Call Trace: # [ 50.098458] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f # [ 50.103943] direct_entry.cold+0x2c/0x38 # [ 50.108358] full_proxy_write+0x53/0x80 # [ 50.112677] vfs_write+0xe7/0x3a0 # [ 50.116408] ksys_write+0x68/0xf0 # [ 50.120115] do_syscall_64+0x30/0x40 # [ 50.124138] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 50.129785] RIP: 0033:0x7f8336a3b833 # [ 50.133778] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 50.154768] RSP: 002b:00007ffe0d034658 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 50.163231] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f8336a3b833 # [ 50.171205] RDX: 0000000000000017 RSI: 00007f833692e000 RDI: 0000000000000001 # [ 50.179180] RBP: 00007f833692e000 R08: 00007f833692d010 R09: 0000000000000000 # [ 50.187156] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 50.195130] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 50.203112] irq event stamp: 0 # [ 50.206551] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 50.213556] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 50.222727] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 50.231868] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 50.245089] ---[ end trace a87a77b7dbef1eb1 ]--- # [ 50.256463] 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 # [ 50.382533] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 50.393454] lkdtm: attempting bad refcount_dec() from saturated # [ 50.400074] ------------[ cut here ]------------ # [ 50.405239] refcount_t: saturated; leaking memory. # [ 50.416850] WARNING: CPU: 3 PID: 2384 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 50.426290] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 50.458959] CPU: 3 PID: 2384 Comm: cat Tainted: G D W 5.10.165-cip24 #1 # [ 50.467626] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 50.480641] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 50.486480] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 54 ed 93 01 00 75 ee 48 c7 c7 88 fc 84 b8 c6 05 44 ed 93 01 01 e8 86 b4 95 00 <0f> 0b c3 cc cc cc cc 80 3d 30 ed 93 01 00 75 cb 48 c7 c7 b0 fc 84 # [ 50.507471] RSP: 0018:ffffbbfa02e1fe48 EFLAGS: 00010286 # [ 50.513310] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 # [ 50.527504] RDX: ffffa1863adac660 RSI: ffffa1863ad9bf70 RDI: ffffa1863ad9bf70 # [ 50.535509] RBP: ffffffffb88b46a3 R08: 0000000000000000 R09: 0000000000000000 # [ 50.543486] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 50.551462] R13: ffffbbfa02e1ff10 R14: ffffbbfa02e1ff10 R15: ffffa185c32c3000 # [ 50.559438] FS: 00007f2fe8b19580(0000) GS:ffffa1863ad80000(0000) knlGS:0000000000000000 # [ 50.568487] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 50.574909] CR2: 00007f2fe8922000 CR3: 0000000104066002 CR4: 00000000003706e0 # [ 50.582897] Call Trace: # [ 50.585662] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 # [ 50.591145] direct_entry.cold+0x2c/0x38 # [ 50.595559] full_proxy_write+0x53/0x80 # [ 50.599877] vfs_write+0xe7/0x3a0 # [ 50.603607] ksys_write+0x68/0xf0 # [ 50.607316] do_syscall_64+0x30/0x40 # [ 50.611341] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 50.617014] RIP: 0033:0x7f2fe8a2f833 # [ 50.621009] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 50.642000] RSP: 002b:00007ffd626ae208 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 50.650461] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f2fe8a2f833 # [ 50.658435] RDX: 0000000000000017 RSI: 00007f2fe8922000 RDI: 0000000000000001 # [ 50.666411] RBP: 00007f2fe8922000 R08: 00007f2fe8921010 R09: 0000000000000000 # [ 50.674386] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 50.682362] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 50.690343] irq event stamp: 0 # [ 50.693778] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 50.706992] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 50.716135] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 50.725276] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 50.732282] ---[ end trace a87a77b7dbef1eb2 ]--- # [ 50.737440] 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 # [ 50.870997] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 50.881741] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 50.895445] ------------[ cut here ]------------ # [ 50.906840] refcount_t: saturated; leaking memory. # [ 50.918455] WARNING: CPU: 0 PID: 2416 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 50.934066] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 50.966745] CPU: 0 PID: 2416 Comm: cat Tainted: G D W 5.10.165-cip24 #1 # [ 50.981596] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 50.994642] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 51.006674] Code: 01 01 e8 63 b4 95 00 0f 0b c3 cc cc cc cc 80 3d 0f ed 93 01 00 75 a8 48 c7 c7 88 fc 84 b8 c6 05 ff ec 93 01 01 e8 40 b4 95 00 <0f> 0b c3 cc cc cc cc 80 3d e9 ec 93 01 00 75 85 48 c7 c7 e0 fc 84 # [ 51.033911] RSP: 0018:ffffbbfa02e8fe38 EFLAGS: 00010282 # [ 51.045928] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 51.060172] RDX: ffffa1863ac2c660 RSI: ffffa1863ac1bf70 RDI: ffffa1863ac1bf70 # [ 51.074321] RBP: ffffffffb88b42d0 R08: 0000000000000000 R09: 0000000000000000 # [ 51.088518] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 51.102702] R13: ffffbbfa02e8ff10 R14: ffffbbfa02e8ff10 R15: ffffa185c570d000 # [ 51.116942] FS: 00007f24c6ce8580(0000) GS:ffffa1863ac00000(0000) knlGS:0000000000000000 # [ 51.132154] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 51.144798] CR2: 00007f24c6af1000 CR3: 0000000104d5c004 CR4: 00000000003706f0 # [ 51.158984] Call Trace: # [ 51.167966] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 51.180283] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 # [ 51.192849] direct_entry.cold+0x2c/0x38 # [ 51.203424] full_proxy_write+0x53/0x80 # [ 51.213941] vfs_write+0xe7/0x3a0 # [ 51.223886] ksys_write+0x68/0xf0 # [ 51.233835] do_syscall_64+0x30/0x40 # [ 51.244010] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 51.255931] RIP: 0033:0x7f24c6bfe833 # [ 51.266084] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 51.293339] RSP: 002b:00007ffda14851c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 51.307975] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f24c6bfe833 # [ 51.322194] RDX: 0000000000000020 RSI: 00007f24c6af1000 RDI: 0000000000000001 # [ 51.336355] RBP: 00007f24c6af1000 R08: 00007f24c6af0010 R09: 0000000000000000 # [ 51.350558] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 51.364762] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 51.378938] irq event stamp: 0 # [ 51.388560] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 51.401809] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 51.417136] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 51.432497] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 51.445717] ---[ end trace a87a77b7dbef1eb3 ]--- # [ 51.457105] 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 # [ 51.600604] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 51.613567] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 51.621105] ------------[ cut here ]------------ # [ 51.626296] refcount_t: saturated; leaking memory. # [ 51.631689] WARNING: CPU: 2 PID: 2448 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 51.641136] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 51.673775] CPU: 2 PID: 2448 Comm: cat Tainted: G D W 5.10.165-cip24 #1 # [ 51.682461] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 51.689275] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 51.695141] Code: 01 01 e8 63 b4 95 00 0f 0b c3 cc cc cc cc 80 3d 0f ed 93 01 00 75 a8 48 c7 c7 88 fc 84 b8 c6 05 ff ec 93 01 01 e8 40 b4 95 00 <0f> 0b c3 cc cc cc cc 80 3d e9 ec 93 01 00 75 85 48 c7 c7 e0 fc 84 # [ 51.722340] RSP: 0018:ffffbbfa02f1fe38 EFLAGS: 00010282 # [ 51.728212] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 51.736187] RDX: ffffa1863ad2c660 RSI: ffffa1863ad1bf70 RDI: ffffa1863ad1bf70 # [ 51.744163] RBP: ffffffffb88b42f0 R08: 0000000000000000 R09: 0000000000000000 # [ 51.758355] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 51.772547] R13: ffffbbfa02f1ff10 R14: ffffbbfa02f1ff10 R15: ffffa185c35eb000 # [ 51.780520] FS: 00007f1d1ef8a580(0000) GS:ffffa1863ad00000(0000) knlGS:0000000000000000 # [ 51.795775] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 51.802195] CR2: 00007f1d1ed93000 CR3: 0000000105dd4005 CR4: 00000000003706e0 # [ 51.810168] Call Trace: # [ 51.812915] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 51.819075] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 # [ 51.825420] direct_entry.cold+0x2c/0x38 # [ 51.829819] full_proxy_write+0x53/0x80 # [ 51.840302] vfs_write+0xe7/0x3a0 # [ 51.844003] ksys_write+0x68/0xf0 # [ 51.847705] do_syscall_64+0x30/0x40 # [ 51.851739] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 51.857382] RIP: 0033:0x7f1d1eea0833 # [ 51.861376] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 51.882367] RSP: 002b:00007ffee7eebd38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 51.890846] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f1d1eea0833 # [ 51.898820] RDX: 0000000000000020 RSI: 00007f1d1ed93000 RDI: 0000000000000001 # [ 51.906818] RBP: 00007f1d1ed93000 R08: 00007f1d1ed92010 R09: 0000000000000000 # [ 51.914790] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 51.922764] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 51.930740] irq event stamp: 0 # [ 51.934180] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 51.941183] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 51.950321] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 51.959458] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 51.966461] ---[ end trace a87a77b7dbef1eb4 ]--- # [ 51.971618] lkdtm: Saturation detected: still saturated # REFCOUNT_ADD_NOT_ZERO_SATURATED: saw 'call trace:': ok ok 56 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh # [ 52.112594] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 52.121927] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 52.135663] ------------[ cut here ]------------ # [ 52.140844] refcount_t: underflow; use-after-free. # [ 52.152418] WARNING: CPU: 2 PID: 2483 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 52.168053] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 52.194524] CPU: 2 PID: 2483 Comm: cat Tainted: G D W 5.10.165-cip24 #1 # [ 52.209381] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 52.216215] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 52.222054] Code: 01 01 e8 40 b4 95 00 0f 0b c3 cc cc cc cc 80 3d e9 ec 93 01 00 75 85 48 c7 c7 e0 fc 84 b8 c6 05 d9 ec 93 01 01 e8 1d b4 95 00 <0f> 0b c3 cc cc cc cc 80 3d c4 ec 93 01 00 0f 85 5e ff ff ff 48 c7 # [ 52.243042] RSP: 0018:ffffbbfa02fb7e40 EFLAGS: 00010286 # [ 52.248895] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 # [ 52.256863] RDX: ffffa1863ad2c660 RSI: ffffa1863ad1bf70 RDI: ffffa1863ad1bf70 # [ 52.264850] RBP: ffffffffb88b4310 R08: 0000000000000000 R09: 0000000000000000 # [ 52.279031] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 52.287003] R13: ffffbbfa02fb7f10 R14: ffffbbfa02fb7f10 R15: ffffa185c3701000 # [ 52.294980] FS: 00007fd34940b580(0000) GS:ffffa1863ad00000(0000) knlGS:0000000000000000 # [ 52.304023] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 52.310443] CR2: 00007fd349214000 CR3: 00000001029b6006 CR4: 00000000003706e0 # [ 52.318419] Call Trace: # [ 52.321152] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 52.327314] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 # [ 52.333640] direct_entry.cold+0x2c/0x38 # [ 52.338045] full_proxy_write+0x53/0x80 # [ 52.342329] vfs_write+0xe7/0x3a0 # [ 52.346030] ksys_write+0x68/0xf0 # [ 52.349734] do_syscall_64+0x30/0x40 # [ 52.353757] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 52.359401] RIP: 0033:0x7fd349321833 # [ 52.363392] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 52.384376] RSP: 002b:00007ffefdbedde8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 52.392850] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fd349321833 # [ 52.407036] RDX: 0000000000000020 RSI: 00007fd349214000 RDI: 0000000000000001 # [ 52.415009] RBP: 00007fd349214000 R08: 00007fd349213010 R09: 0000000000000000 # [ 52.422979] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 52.430952] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 52.445148] irq event stamp: 0 # [ 52.454768] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 52.467987] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 52.477125] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 52.486265] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 52.493266] ---[ end trace a87a77b7dbef1eb5 ]--- # [ 52.498422] 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 # [ 52.632764] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 52.642493] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 52.656201] ------------[ cut here ]------------ # [ 52.667579] refcount_t: underflow; use-after-free. # [ 52.679171] WARNING: CPU: 1 PID: 2518 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 52.694791] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sensorhub cros_ec_lightbar cros_ec_sysfs cros_ec_debugfs cros_ec_chardev x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 52.727431] CPU: 1 PID: 2518 Comm: cat Tainted: G D W 5.10.165-cip24 #1 # [ 52.742300] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 52.755326] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 52.767376] Code: 01 01 e8 40 b4 95 00 0f 0b c3 cc cc cc cc 80 3d e9 ec 93 01 00 75 85 48 c7 c7 e0 fc 84 b8 c6 05 d9 ec 93 01 01 e8 1d b4 95 00 <0f> 0b c3 cc cc cc cc 80 3d c4 ec 93 01 00 0f 85 5e ff ff ff 48 c7 # [ 52.794578] RSP: 0018:ffffbbfa03037e40 EFLAGS: 00010286 # [ 52.806630] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 # [ 52.820817] RDX: ffffa1863acac660 RSI: ffffa1863ac9bf70 RDI: ffffa1863ac9bf70 # [ 52.835004] RBP: ffffffffb88b4330 R08: 0000000000000000 R09: 0000000000000000 # [ 52.842978] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 52.857159] R13: ffffbbfa03037f10 R14: ffffbbfa03037f10 R15: ffffa185c42af000 # [ 52.865134] FS: 00007fe3e8d80580(0000) GS:ffffa1863ac80000(0000) knlGS:0000000000000000 # [ 52.880384] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 52.886805] CR2: 00007fe3e8b89000 CR3: 0000000105c58004 CR4: 00000000003706e0 # [ 52.900986] Call Trace: # [ 52.903720] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 52.916055] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 # [ 52.928598] direct_entry.cold+0x2c/0x38 # [ 52.939195] full_proxy_write+0x53/0x80 # [ 52.949695] vfs_write+0xe7/0x3a0 # [ 52.959610] ksys_write+0x68/0xf0 # [ 52.969528] do_syscall_64+0x30/0x40 # [ 52.979734] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 52.991593] RIP: 0033:0x7fe3e8c96833 # [ 53.001799] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 53.022793] RSP: 002b:00007fff78056968 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 53.037467] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fe3e8c96833 # [ 53.051658] RDX: 0000000000000020 RSI: 00007fe3e8b89000 RDI: 0000000000000001 # [ 53.065852] RBP: 00007fe3e8b89000 R08: 00007fe3e8b88010 R09: 0000000000000000 # [ 53.080065] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 53.094250] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 53.108421] irq event stamp: 0 # [ 53.118042] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 53.125046] hardirqs last disabled at (0): [] copy_process+0x664/0x1cb0 # [ 53.140392] softirqs last enabled at (0): [] copy_process+0x664/0x1cb0 # [ 53.149531] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 53.162740] ---[ end trace a87a77b7dbef1eb6 ]--- # [ 53.167899] lkdtm: Saturation detected: still saturated # REFCOUNT_SUB_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok ok 58 selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh # selftests: lkdtm: REFCOUNT_TIMING.sh # Skipping REFCOUNT_TIMING: timing only ok 59 selftests: lkdtm: REFCOUNT_TIMING.sh # SKIP # selftests: lkdtm: ATOMIC_TIMING.sh # Skipping ATOMIC_TIMING: timing only ok 60 selftests: lkdtm: ATOMIC_TIMING.sh # SKIP # selftests: lkdtm: USERCOPY_HEAP_SIZE_TO.sh # [ 53.358648] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 53.366896] lkdtm: attempting good copy_to_user of correct size # [ 53.373523] 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 # [ 53.520642] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 53.530140] lkdtm: attempting good copy_from_user of correct size # [ 53.543187] 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 # [ 53.670462] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 53.681580] lkdtm: attempting good copy_to_user inside whitelist # [ 53.694533] 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 # [ 53.824242] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 53.832961] lkdtm: attempting good copy_from_user inside whitelist # [ 53.839885] 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 # [ 53.976126] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 53.984231] lkdtm: good_stack: ffffbbfa033efe20-ffffbbfa033efe40 # [ 53.997157] lkdtm: bad_stack : ffffbbfa033efda8-ffffbbfa033efdc8 # [ 54.010118] lkdtm: attempting good copy_to_user of local stack # [ 54.022872] lkdtm: attempting bad copy_to_user of distant stack # USERCOPY_STACK_FRAME_TO: missing 'call trace:': [FAIL] not ok 65 selftests: lkdtm: USERCOPY_STACK_FRAME_TO.sh # exit=1 # selftests: lkdtm: USERCOPY_STACK_FRAME_FROM.sh # [ 54.176060] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 54.185810] lkdtm: good_stack: ffffbbfa0343fe20-ffffbbfa0343fe40 # [ 54.192569] lkdtm: bad_stack : ffffbbfa0343fda8-ffffbbfa0343fdc8 # [ 54.199321] lkdtm: attempting good copy_from_user of local stack # [ 54.206050] lkdtm: attempting bad copy_from_user of distant stack # USERCOPY_STACK_FRAME_FROM: missing 'call trace:': [FAIL] not ok 66 selftests: lkdtm: USERCOPY_STACK_FRAME_FROM.sh # exit=1 # selftests: lkdtm: USERCOPY_STACK_BEYOND.sh # [ 54.358244] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 54.368836] lkdtm: good_stack: ffffbbfa0341fe20-ffffbbfa0341fe40 # [ 54.381732] lkdtm: bad_stack : ffffbbfa0341fff8-ffffbbfa03420018 # [ 54.394655] lkdtm: attempting good copy_to_user of local stack # [ 54.407384] lkdtm: attempting bad copy_to_user of distant stack # [ 54.420241] 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 # [ 54.555833] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 54.562937] lkdtm: attempting good copy_to_user from kernel rodata: ffffffffb84d1450 # [ 54.571605] lkdtm: attempting bad copy_to_user from kernel text: ffffffffb70e3ac0 # [ 54.579977] 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 # [ 54.715751] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 54.722433] lkdtm: checking unused part of the thread stack (15928 bytes)... # [ 54.730349] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) # [ 54.738147] lkdtm: FAIL: the thread stack is NOT properly erased # [ 54.744869] CPU: 2 PID: 2883 Comm: cat Tainted: G D W 5.10.165-cip24 #1 # [ 54.753527] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 54.766546] Call Trace: # [ 54.769277] dump_stack+0x77/0x9b # [ 54.772999] lkdtm_STACKLEAK_ERASING+0x116/0x144 # [ 54.778155] direct_entry.cold+0x2c/0x38 # [ 54.782525] full_proxy_write+0x53/0x80 # [ 54.786807] vfs_write+0xe7/0x3a0 # [ 54.790506] ksys_write+0x68/0xf0 # [ 54.794197] do_syscall_64+0x30/0x40 # [ 54.798187] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 54.803850] RIP: 0033:0x7fac9986f833 # [ 54.807848] Code: 8b 15 61 26 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 54.828846] RSP: 002b:00007fff5f0d8618 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 54.837304] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fac9986f833 # [ 54.845275] RDX: 0000000000000012 RSI: 00007fac99762000 RDI: 0000000000000001 # [ 54.853246] RBP: 00007fac99762000 R08: 00007fac99761010 R09: 0000000000000000 # [ 54.861216] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 54.869186] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # STACKLEAK_ERASING: missing 'OK: the rest of the thread stack is properly erased': [FAIL] not ok 69 selftests: lkdtm: STACKLEAK_ERASING.sh # exit=1 # selftests: lkdtm: CFI_FORWARD_PROTO.sh # [ 55.000144] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 55.007871] lkdtm: Calling matched prototype ... # [ 55.013056] lkdtm: Calling mismatched prototype ... # [ 55.024704] lkdtm: Fail: survived mismatched prototype function call! # CFI_FORWARD_PROTO: missing 'call trace:': [FAIL] not ok 70 selftests: lkdtm: CFI_FORWARD_PROTO.sh # exit=1 lkdtm_PANIC_sh skip lkdtm_BUG_sh pass lkdtm_WARNING_sh pass lkdtm_WARNING_MESSAGE_sh pass lkdtm_EXCEPTION_sh pass lkdtm_LOOP_sh skip lkdtm_EXHAUST_STACK_sh skip lkdtm_CORRUPT_STACK_sh skip lkdtm_CORRUPT_STACK_STRONG_sh skip lkdtm_CORRUPT_LIST_ADD_sh fail lkdtm_CORRUPT_LIST_DEL_sh fail lkdtm_STACK_GUARD_PAGE_LEADING_sh pass lkdtm_STACK_GUARD_PAGE_TRAILING_sh pass lkdtm_UNSET_SMEP_sh pass lkdtm_DOUBLE_FAULT_sh skip lkdtm_CORRUPT_PAC_sh skip lkdtm_UNALIGNED_LOAD_STORE_WRITE_sh skip lkdtm_OVERWRITE_ALLOCATION_sh skip lkdtm_WRITE_AFTER_FREE_sh skip lkdtm_READ_AFTER_FREE_sh fail lkdtm_WRITE_BUDDY_AFTER_FREE_sh skip lkdtm_READ_BUDDY_AFTER_FREE_sh fail lkdtm_SLAB_FREE_DOUBLE_sh fail lkdtm_SLAB_FREE_CROSS_sh fail lkdtm_SLAB_FREE_PAGE_sh fail lkdtm_SOFTLOCKUP_sh skip lkdtm_HARDLOCKUP_sh skip lkdtm_SPINLOCKUP_sh skip lkdtm_HUNG_TASK_sh skip lkdtm_EXEC_DATA_sh pass lkdtm_EXEC_STACK_sh pass lkdtm_EXEC_KMALLOC_sh pass lkdtm_EXEC_VMALLOC_sh pass lkdtm_EXEC_RODATA_sh pass lkdtm_EXEC_USERSPACE_sh pass lkdtm_EXEC_NULL_sh pass lkdtm_ACCESS_USERSPACE_sh pass lkdtm_ACCESS_NULL_sh pass lkdtm_WRITE_RO_sh pass lkdtm_WRITE_RO_AFTER_INIT_sh pass lkdtm_WRITE_KERN_sh pass lkdtm_REFCOUNT_INC_OVERFLOW_sh pass lkdtm_REFCOUNT_ADD_OVERFLOW_sh pass lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW_sh pass lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW_sh pass lkdtm_REFCOUNT_DEC_ZERO_sh pass lkdtm_REFCOUNT_DEC_NEGATIVE_sh pass lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE_sh pass lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE_sh pass lkdtm_REFCOUNT_INC_ZERO_sh pass lkdtm_REFCOUNT_ADD_ZERO_sh pass lkdtm_REFCOUNT_INC_SATURATED_sh pass lkdtm_REFCOUNT_DEC_SATURATED_sh pass lkdtm_REFCOUNT_ADD_SATURATED_sh pass lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED_sh pass lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED_sh pass lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED_sh pass lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED_sh pass lkdtm_REFCOUNT_TIMING_sh skip lkdtm_ATOMIC_TIMING_sh skip lkdtm_USERCOPY_HEAP_SIZE_TO_sh fail lkdtm_USERCOPY_HEAP_SIZE_FROM_sh fail lkdtm_USERCOPY_HEAP_WHITELIST_TO_sh fail lkdtm_USERCOPY_HEAP_WHITELIST_FROM_sh fail lkdtm_USERCOPY_STACK_FRAME_TO_sh fail lkdtm_USERCOPY_STACK_FRAME_FROM_sh fail lkdtm_USERCOPY_STACK_BEYOND_sh fail lkdtm_USERCOPY_KERNEL_sh fail lkdtm_STACKLEAK_ERASING_sh fail lkdtm_CFI_FORWARD_PROTO_sh fail + ../../utils/send-to-lava.sh ./output/result.txt + set +x / #