[Enter `^Ec?' for help] coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 bootblock starting... CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz CPU: ID 806e9, Kabylake H0, ucode: 00000097 CPU: AES supported, TXT NOT supported, VT supported MCH: device id 590c (rev 02) is Kabylake-Y PCH: device id 9d4b (rev 21) is Kabylake-Y iHDCP 2.2 Premium IGD: device id 591c (rev 02) is Amberlake ULX GT2 VBOOT: Loading verstage. CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/verstage' CBFS: Found @ offset 1a0a80 size f47c coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 verstage starting... Probing TPM: . done! TPM ready after 0 ms Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_A:0.5.6/cr50_v1.9308_87_mp.510-d2da4373 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_B:0.0.11/4d655eab RW_A:0.5.6/cr50_v1.9308_87_mp.510-d2da4373 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 35684 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fspm.bin' CBFS: Found @ offset 103fc0 size 63000 Chrome EC: UHEPI supported FMAP: Found \"FLASH\" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area RECOVERY_MRC_CACHE found @ 9d0000 (65536 bytes) Probing TPM: done! Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_A:0.5.6/cr50_v1.9308_87_mp.510-d2da4373 Initialized TPM device CR50 revision 0 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 MRC: Hash comparison successful. Using data from RECOVERY_MRC_CACHE MRC cache found, size 1868 bootmode is set to :2 SPD index 1 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'spd.bin' CBFS: Found @ offset 1a0240 size 800 SPD: module type is LPDDR3 SPD: module part is K4E8E324EB-EGCF SPD: banks 8, ranks 1, rows 15, columns 10, density 8192 Mb SPD: device width 32 bits, bus width 64 bits SPD: module size is 2048 MB (per channel) CBMEM: IMD: root @ 7afff000 254 entries. IMD: root @ 7affec00 62 entries. External stage cache: IMD: root @ 7b3ff000 254 entries. IMD: root @ 7b3fec00 62 entries. creating vboot_handoff structure Chrome EC: clear events_b mask to 0x0000000021004000 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 tlcl_write: response is 0 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 MRC: TPM MRC hash updated successfully. 2 DIMMs found top_of_ram = 0x7b000000 MTRR Range: Start=7a000000 End=7b000000 (Size 1000000) MTRR Range: Start=7b000000 End=7b800000 (Size 800000) MTRR Range: Start=ff000000 End=0 (Size 1000000) CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/postcar' CBFS: Found @ offset 197000 size 3f04 Decompressing stage fallback/postcar @ 0x7abd0fc0 (32720 bytes) Loading module at 7abd1000 with entry 7abd1000. filesize: 0x3cd0 memsize: 0x7f90 Processing 118 relocs. Offset value of 0x78bd1000 coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 postcar starting... CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/ramstage' CBFS: Found @ offset e8d80 size 1a462 Decompressing stage fallback/ramstage @ 0x7ab05fc0 (826808 bytes) Loading module at 7ab06000 with entry 7ab06000. filesize: 0x38d90 memsize: 0xc9d78 Processing 3657 relocs. Offset value of 0x79d06000 coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 ramstage starting... FMAP: Found \"FLASH\" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area RO_VPD found @ c00000 (16384 bytes) WARNING: RO_VPD is uninitialized or empty. FMAP: area RW_VPD found @ 9f8000 (8192 bytes) WARNING: RW_VPD is uninitialized or empty. Normal boot. BS: BS_PRE_DEVICE times (us): entry 0 run 29 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...AP: slot 2 apic_id 1. done. AP: slot 3 apic_id 2. AP: slot 1 apic_id 3. Waiting for 2nd SIPI to complete...done. Loading module at 00038000 with entry 00038000. filesize: 0x1a8 memsize: 0x1a8 Processing 13 relocs. Offset value of 0x00038000 SMM Module: stub loaded at 00038000. Will call 7ab21603(00000000) Installing SMM handler to 0x7b000000 Loading module at 7b010000 with entry 7b010a19. filesize: 0x3b08 memsize: 0x8bc0 Processing 243 relocs. Offset value of 0x7b010000 Loading module at 7b008000 with entry 7b008000. filesize: 0x1a8 memsize: 0x1a8 Processing 13 relocs. Offset value of 0x7b008000 SMM Module: placing jmp sequence at 7b007c00 rel16 0x03fd SMM Module: placing jmp sequence at 7b007800 rel16 0x07fd SMM Module: placing jmp sequence at 7b007400 rel16 0x0bfd SMM Module: stub loaded at 7b008000. Will call 7b010a19(00000000) Clearing SMI status registers SMI_STS: PM1 PM1_STS: PWRBTN TCO_STS: BOOT SECOND_TO New SMBASE 0x7b000000 In relocation handler: CPU 0 New SMBASE=0x7b000000 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afff800 In relocation handler: CPU 2 New SMBASE=0x7afff800 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afffc00 In relocation handler: CPU 1 New SMBASE=0x7afffc00 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afff400 In relocation handler: CPU 3 New SMBASE=0x7afff400 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. Initializing CPU #0 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC... apic_id: 0x00 done. Turbo is available but hidden Turbo has been enabled SGX : param.enable = 0 Skip microcode update CPU #0 initialized Initializing CPU #2 Initializing CPU #3 Initializing CPU #1 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: 0x03 done. apic_id: 0x02 done. Skip microcode update Skip microcode update CPU #1 initialized CPU #3 initialized apic_id: 0x01 done. Skip microcode update CPU #2 initialized bsp_do_flight_plan done after 226 msecs. CPU: frequency set to 3400 MHz Enabling SMIs. Locking SMM. VMX : param.enable = 1 VMX status: enabled, unlocked SGX: pre-conditions not met VMX status: enabled, unlocked SGX: pre-conditions not met VMX status: enabled, unlocked VMX status: enabled, unlocked SGX: pre-conditions not met SGX: pre-conditions not met CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'vbt.bin' CBFS: Found @ offset 103a00 size 48e Found a VBT of 4608 bytes after decompression psys_pmax = 360 FMAP: area GBB found @ c11000 (978944 bytes) ITSS IRQ Polarities Before: IPC0: 0x00ff4000 IPC1: 0x00000007 IPC2: 0x00000000 IPC3: 0x00000000 ITSS IRQ Polarities After: IPC0: 0x00ff4000 IPC1: 0x00000007 IPC2: 0x00000000 IPC3: 0x00000000 Override DT after FSP-S, PCH is KBL/SKL PCH-LP SKU BS: BS_DEV_INIT_CHIPS times (us): entry 376154 run 170035 exit 0 Enumerating buses... Show all devs... Before device enumeration. Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 DOMAIN: 0000: enabled 1 APIC: 00: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 PCI: 00:15.1: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PCI: 00:1f.1: enabled 1 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 USB0 port 0: enabled 1 I2C: 00:5c: enabled 1 I2C: 00:15: enabled 1 I2C: 00:39: enabled 1 I2C: 00:3a: enabled 1 I2C: 00:1a: enabled 1 PCI: 00:00.0: enabled 1 SPI: 00: enabled 1 PNP: 0c09.0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 APIC: 03: enabled 1 APIC: 01: enabled 1 APIC: 02: enabled 1 Compare with tree... Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 APIC: 00: enabled 1 APIC: 03: enabled 1 APIC: 01: enabled 1 APIC: 02: enabled 1 DOMAIN: 0000: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 USB0 port 0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 I2C: 00:5c: enabled 1 PCI: 00:15.1: enabled 1 I2C: 00:15: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 I2C: 00:39: enabled 1 I2C: 00:3a: enabled 1 I2C: 00:1a: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 SPI: 00: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PNP: 0c09.0: enabled 1 PCI: 00:1f.1: enabled 1 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 Root Device scanning... root_dev_scan_bus for Root Device CPU_CLUSTER: 0 enabled DOMAIN: 0000 enabled DOMAIN: 0000 scanning... PCI: pci_scan_bus for bus 00 PCI: 00:00.0 [8086/0000] ops PCI: 00:00.0 [8086/590c] enabled PCI: 00:02.0 [8086/0000] ops PCI: 00:02.0 [8086/591c] enabled PCI: 00:04.0 [8086/1903] enabled PCI: 00:08.0 [8086/1911] enabled PCI: 00:14.0 [8086/0000] bus ops PCI: 00:14.0 [8086/9d2f] enabled PCI: 00:14.2 [8086/9d31] enabled PCI: 00:15.0 [8086/0000] bus ops PCI: 00:15.0 [8086/9d60] enabled PCI: 00:15.1 [8086/0000] bus ops PCI: 00:15.1 [8086/9d61] enabled PCI: 00:16.0 [8086/0000] ops PCI: 00:16.0 [8086/9d3a] enabled PCI: 00:19.0 [8086/0000] ops PCI: 00:19.0 [8086/9d66] enabled PCI: 00:19.1 [8086/0000] bus ops PCI: 00:19.1 [8086/9d65] enabled PCI: 00:1c.0 [8086/0000] bus ops PCI: 00:1c.0 [8086/9d10] enabled PCI: 00:1e.0 [8086/0000] ops PCI: 00:1e.0 [8086/9d27] enabled PCI: 00:1e.2 [8086/0000] bus ops PCI: 00:1e.2 [8086/9d29] enabled PCI: 00:1e.4 [8086/9d2b] enabled PCI: 00:1e.6 [8086/0000] ops PCI: 00:1e.6 [8086/9d2d] enabled PCI: 00:1f.0 [8086/0000] bus ops PCI: 00:1f.0 [8086/9d4b] enabled PCI: Static device PCI: 00:1f.1 not found, disabling it. PCI: 00:1f.2 [8086/0000] bus ops PCI: 00:1f.2 [8086/9d21] enabled PCI: 00:1f.3 [8086/0000] bus ops PCI: 00:1f.3 [8086/9d71] enabled PCI: 00:1f.4 [8086/0000] bus ops PCI: 00:1f.4 [8086/9d23] enabled PCI: 00:1f.5 [8086/0000] bus ops PCI: 00:1f.5 [8086/9d24] enabled PCI: 00:14.0 scanning... scan_usb_bus for PCI: 00:14.0 USB0 port 0 enabled USB0 port 0 scanning... scan_usb_bus for USB0 port 0 USB2 port 0 enabled USB2 port 1 enabled USB2 port 2 enabled USB2 port 4 enabled USB2 port 8 enabled USB2 port 0 scanning... scan_usb_bus for USB2 port 0 scan_usb_bus for USB2 port 0 done scan_bus: scanning of bus USB2 port 0 took 8975 usecs USB2 port 1 scanning... scan_usb_bus for USB2 port 1 scan_usb_bus for USB2 port 1 done scan_bus: scanning of bus USB2 port 1 took 8966 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 8966 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 8976 usecs USB2 port 8 scanning... scan_usb_bus for USB2 port 8 scan_usb_bus for USB2 port 8 done scan_bus: scanning of bus USB2 port 8 took 8973 usecs scan_usb_bus for USB0 port 0 done scan_bus: scanning of bus USB0 port 0 took 90964 usecs scan_usb_bus for PCI: 00:14.0 done scan_bus: scanning of bus PCI: 00:14.0 took 107757 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 14150 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 22369 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 53553 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 13882 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 11309 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 9257 usecs PCI: 00:1f.3 scanning... scan_bus: scanning of bus PCI: 00:1f.3 took 2719 usecs PCI: 00:1f.4 scanning... scan_generic_bus for PCI: 00:1f.4 scan_generic_bus for PCI: 00:1f.4 done scan_bus: scanning of bus PCI: 00:1f.4 took 10048 usecs PCI: 00:1f.5 scanning... scan_generic_bus for PCI: 00:1f.5 scan_generic_bus for PCI: 00:1f.5 done scan_bus: scanning of bus PCI: 00:1f.5 took 10045 usecs scan_bus: scanning of bus DOMAIN: 0000 took 466140 usecs root_dev_scan_bus for Root Device done scan_bus: scanning of bus Root Device took 486259 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 826099 exit 39233 found VGA at PCI: 00:02.0 Setting up VGA for PCI: 00:02.0 Setting PCI_BRIDGE_CTL_VGA for bridge DOMAIN: 0000 Setting PCI_BRIDGE_CTL_VGA for bridge Root Device Allocating resources... Reading resources... Root Device read_resources bus 0 link: 0 CPU_CLUSTER: 0 read_resources bus 0 link: 0 CPU_CLUSTER: 0 read_resources bus 0 link: 0 done DOMAIN: 0000 read_resources bus 0 link: 0 PCI: 00:14.0 read_resources bus 0 link: 0 USB0 port 0 read_resources bus 0 link: 0 USB0 port 0 read_resources bus 0 link: 0 done PCI: 00:14.0 read_resources bus 0 link: 0 done PCI: 00:15.0 read_resources bus 1 link: 0 PCI: 00:15.0 read_resources bus 1 link: 0 done PCI: 00:15.1 read_resources bus 2 link: 0 PCI: 00:15.1 read_resources bus 2 link: 0 done PCI: 00:19.1 read_resources bus 3 link: 0 PCI: 00:19.1 read_resources bus 3 link: 0 done PCI: 00:1c.0 read_resources bus 1 link: 0 PCI: 00:1c.0 read_resources bus 1 link: 0 done PCI: 00:1e.2 read_resources bus 4 link: 0 PCI: 00:1e.2 read_resources bus 4 link: 0 done PCI: 00:1f.0 read_resources bus 0 link: 0 PCI: 00:1f.0 read_resources bus 0 link: 0 done DOMAIN: 0000 read_resources bus 0 link: 0 done Root Device read_resources bus 0 link: 0 done Done reading resources. Show resources in subtree (Root Device)...After reading. Root Device child on link 0 CPU_CLUSTER: 0 CPU_CLUSTER: 0 child on link 0 APIC: 00 APIC: 00 APIC: 03 APIC: 01 APIC: 02 DOMAIN: 0000 child on link 0 PCI: 00:00.0 DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffff flags 40040100 index 10000000 DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffffffff flags 40040200 index 10000100 PCI: 00:00.0 PCI: 00:00.0 resource base e0000000 size 4000000 align 0 gran 0 limit 0 flags f0000200 index 0 PCI: 00:00.0 resource base fed10000 size 8000 align 0 gran 0 limit 0 flags f0000200 index 1 PCI: 00:00.0 resource base fed18000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 2 PCI: 00:00.0 resource base fed19000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 3 PCI: 00:00.0 resource base fed84000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 4 PCI: 00:00.0 resource base fed80000 size 4000 align 0 gran 0 limit 0 flags f0000200 index 5 PCI: 00:00.0 resource base fed90000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 6 PCI: 00:00.0 resource base fed91000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 7 PCI: 00:00.0 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 8 PCI: 00:00.0 resource base c0000 size 7af40000 align 0 gran 0 limit 0 flags e0004200 index 9 PCI: 00:00.0 resource base 7b000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index b PCI: 00:00.0 resource base 7b800000 size 4800000 align 0 gran 0 limit 0 flags f0000200 index c PCI: 00:00.0 resource base 100000000 size 7f000000 align 0 gran 0 limit 0 flags e0004200 index d PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index e PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index f PCI: 00:02.0 PCI: 00:02.0 resource base 0 size 1000000 align 24 gran 24 limit ffffffffffffffff flags 201 index 10 PCI: 00:02.0 resource base 0 size 10000000 align 28 gran 28 limit ffffffffffffffff flags 1201 index 18 PCI: 00:02.0 resource base 0 size 40 align 6 gran 6 limit ffff flags 100 index 20 PCI: 00:04.0 PCI: 00:04.0 resource base 0 size 8000 align 15 gran 15 limit ffffffffffffffff flags 201 index 10 PCI: 00:08.0 PCI: 00:08.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:14.0 child on link 0 USB0 port 0 PCI: 00:14.0 resource base 0 size 10000 align 16 gran 16 limit ffffffffffffffff flags 201 index 10 USB0 port 0 child on link 0 USB2 port 0 USB2 port 0 USB2 port 1 USB2 port 2 USB2 port 4 USB2 port 8 PCI: 00:14.1 PCI: 00:14.2 PCI: 00:14.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:15.0 child on link 0 I2C: 01:5c PCI: 00:15.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 01:5c PCI: 00:15.1 child on link 0 I2C: 02:15 PCI: 00:15.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 02:15 PCI: 00:15.2 PCI: 00:15.3 PCI: 00:16.0 PCI: 00:16.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:16.1 PCI: 00:16.2 PCI: 00:16.3 PCI: 00:16.4 PCI: 00:17.0 PCI: 00:19.0 PCI: 00:19.0 resource base fe034000 size 1000 align 12 gran 12 limit ffffffffffffffff flags c0000200 index 10 PCI: 00:19.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 PCI: 00:19.1 child on link 0 I2C: 03:39 PCI: 00:19.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 03:39 I2C: 03:3a I2C: 03:1a PCI: 00:19.2 PCI: 00:1c.0 child on link 0 PCI: 01:00.0 PCI: 00:1c.0 resource base 0 size 0 align 12 gran 12 limit ffff flags 80102 index 1c PCI: 00:1c.0 resource base 0 size 0 align 20 gran 20 limit ffffffffffffffff flags 81202 index 24 PCI: 00:1c.0 resource base 0 size 0 align 20 gran 20 limit ffffffff flags 80202 index 20 PCI: 01:00.0 PCI: 01:00.0 resource base 0 size 2000 align 13 gran 13 limit ffffffffffffffff flags 201 index 10 PCI: 00:1c.1 PCI: 00:1c.2 PCI: 00:1c.3 PCI: 00:1c.4 PCI: 00:1c.5 PCI: 00:1c.6 PCI: 00:1c.7 PCI: 00:1d.0 PCI: 00:1d.1 PCI: 00:1d.2 PCI: 00:1d.3 PCI: 00:1e.0 PCI: 00:1e.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1e.1 PCI: 00:1e.2 child on link 0 SPI: 00 PCI: 00:1e.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 SPI: 00 PCI: 00:1e.3 PCI: 00:1e.4 PCI: 00:1e.4 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1e.5 PCI: 00:1e.6 PCI: 00:1e.6 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.0 child on link 0 PNP: 0c09.0 PCI: 00:1f.0 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0000100 index 0 PNP: 0c09.0 PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0 PCI: 00:1f.1 PCI: 00:1f.2 PCI: 00:1f.2 resource base 0 size 4000 align 14 gran 14 limit ffffffff flags 200 index 10 PCI: 00:1f.2 resource base fe000000 size 10000 align 0 gran 0 limit 0 flags d0000200 index 48 PCI: 00:1f.2 resource base 1800 size 100 align 0 gran 0 limit 0 flags c0000100 index 40 PCI: 00:1f.3 PCI: 00:1f.3 resource base 0 size 4000 align 14 gran 14 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.3 resource base 0 size 10000 align 16 gran 16 limit ffffffffffffffff flags 201 index 20 PCI: 00:1f.4 PCI: 00:1f.4 resource base efa0 size 20 align 0 gran 0 limit efbf flags f0000100 index 20 PCI: 00:1f.4 resource base 0 size 100 align 12 gran 8 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.5 PCI: 00:1f.5 resource base 0 size 1000 align 12 gran 12 limit ffffffff flags 200 index 10 PCI: 00:1f.6 DOMAIN: 0000 io: base: 0 size: 0 align: 0 gran: 0 limit: ffff PCI: 00:1c.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff PCI: 00:1c.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff done PCI: 00:02.0 20 * [0x0 - 0x3f] io DOMAIN: 0000 io: base: 40 size: 40 align: 6 gran: 0 limit: ffff done DOMAIN: 0000 mem: base: 0 size: 0 align: 0 gran: 0 limit: ffffffff PCI: 00:1c.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff PCI: 00:1c.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff done PCI: 00:1c.0 mem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffff PCI: 01:00.0 10 * [0x0 - 0x1fff] mem PCI: 00:1c.0 mem: base: 2000 size: 100000 align: 20 gran: 20 limit: ffffffff done PCI: 00:02.0 18 * [0x0 - 0xfffffff] prefmem PCI: 00:02.0 10 * [0x10000000 - 0x10ffffff] mem PCI: 00:1c.0 20 * [0x11000000 - 0x110fffff] mem PCI: 00:14.0 10 * [0x11100000 - 0x1110ffff] mem PCI: 00:1f.3 20 * [0x11110000 - 0x1111ffff] mem PCI: 00:04.0 10 * [0x11120000 - 0x11127fff] mem PCI: 00:1f.2 10 * [0x11128000 - 0x1112bfff] mem PCI: 00:1f.3 10 * [0x1112c000 - 0x1112ffff] mem PCI: 00:08.0 10 * [0x11130000 - 0x11130fff] mem PCI: 00:14.2 10 * [0x11131000 - 0x11131fff] mem PCI: 00:15.0 10 * [0x11132000 - 0x11132fff] mem PCI: 00:15.1 10 * [0x11133000 - 0x11133fff] mem PCI: 00:16.0 10 * [0x11134000 - 0x11134fff] mem PCI: 00:19.0 18 * [0x11135000 - 0x11135fff] mem PCI: 00:19.1 10 * [0x11136000 - 0x11136fff] mem PCI: 00:1e.0 10 * [0x11137000 - 0x11137fff] mem PCI: 00:1e.2 10 * [0x11138000 - 0x11138fff] mem PCI: 00:1e.4 10 * [0x11139000 - 0x11139fff] mem PCI: 00:1e.6 10 * [0x1113a000 - 0x1113afff] mem PCI: 00:1f.5 10 * [0x1113b000 - 0x1113bfff] mem PCI: 00:1f.4 10 * [0x1113c000 - 0x1113c0ff] mem DOMAIN: 0000 mem: base: 1113c100 size: 1113c100 align: 28 gran: 0 limit: ffffffff done avoid_fixed_resources: DOMAIN: 0000 avoid_fixed_resources:@DOMAIN: 0000 10000000 limit 0000ffff avoid_fixed_resources:@DOMAIN: 0000 10000100 limit ffffffff constrain_resources: PCI: 00:00.0 00 base e0000000 limit e3ffffff mem (fixed) constrain_resources: PCI: 00:00.0 08 base 00000000 limit 0009ffff mem (fixed) constrain_resources: PCI: 00:00.0 09 base 000c0000 limit 7affffff mem (fixed) constrain_resources: PCI: 00:00.0 0b base 7b000000 limit 7b7fffff mem (fixed) constrain_resources: PCI: 00:00.0 0c base 7b800000 limit 7fffffff mem (fixed) constrain_resources: PCI: 00:1f.0 00 base 00000000 limit 00000fff io (fixed) constrain_resources: PCI: 00:1f.2 40 base 00001800 limit 000018ff io (fixed) constrain_resources: PCI: 00:1f.4 20 base 0000efa0 limit 0000efbf io (fixed) avoid_fixed_resources:@DOMAIN: 0000 10000000 base 00001900 limit 0000ef9f avoid_fixed_resources:@DOMAIN: 0000 10000100 base c0000000 limit dfffffff Setting resources... DOMAIN: 0000 io: base:1900 size:40 align:6 gran:0 limit:ef9f PCI: 00:02.0 20 * [0x1c00 - 0x1c3f] io DOMAIN: 0000 io: next_base: 1c40 size: 40 align: 6 gran: 0 done PCI: 00:1c.0 io: base:ef9f size:0 align:12 gran:12 limit:ef9f PCI: 00:1c.0 io: next_base: ef9f size: 0 align: 12 gran: 12 done DOMAIN: 0000 mem: base:c0000000 size:1113c100 align:28 gran:0 limit:dfffffff PCI: 00:02.0 18 * [0xc0000000 - 0xcfffffff] prefmem PCI: 00:02.0 10 * [0xd0000000 - 0xd0ffffff] mem PCI: 00:1c.0 20 * [0xd1000000 - 0xd10fffff] mem PCI: 00:14.0 10 * [0xd1100000 - 0xd110ffff] mem PCI: 00:1f.3 20 * [0xd1110000 - 0xd111ffff] mem PCI: 00:04.0 10 * [0xd1120000 - 0xd1127fff] mem PCI: 00:1f.2 10 * [0xd1128000 - 0xd112bfff] mem PCI: 00:1f.3 10 * [0xd112c000 - 0xd112ffff] mem PCI: 00:08.0 10 * [0xd1130000 - 0xd1130fff] mem PCI: 00:14.2 10 * [0xd1131000 - 0xd1131fff] mem PCI: 00:15.0 10 * [0xd1132000 - 0xd1132fff] mem PCI: 00:15.1 10 * [0xd1133000 - 0xd1133fff] mem PCI: 00:16.0 10 * [0xd1134000 - 0xd1134fff] mem PCI: 00:19.0 18 * [0xd1135000 - 0xd1135fff] mem PCI: 00:19.1 10 * [0xd1136000 - 0xd1136fff] mem PCI: 00:1e.0 10 * [0xd1137000 - 0xd1137fff] mem PCI: 00:1e.2 10 * [0xd1138000 - 0xd1138fff] mem PCI: 00:1e.4 10 * [0xd1139000 - 0xd1139fff] mem PCI: 00:1e.6 10 * [0xd113a000 - 0xd113afff] mem PCI: 00:1f.5 10 * [0xd113b000 - 0xd113bfff] mem PCI: 00:1f.4 10 * [0xd113c000 - 0xd113c0ff] mem DOMAIN: 0000 mem: next_base: d113c100 size: 1113c100 align: 28 gran: 0 done PCI: 00:1c.0 prefmem: base:dfffffff size:0 align:20 gran:20 limit:dfffffff PCI: 00:1c.0 prefmem: next_base: dfffffff size: 0 align: 20 gran: 20 done PCI: 00:1c.0 mem: base:d1000000 size:100000 align:20 gran:20 limit:d10fffff PCI: 01:00.0 10 * [0xd1000000 - 0xd1001fff] mem PCI: 00:1c.0 mem: next_base: d1002000 size: 100000 align: 20 gran: 20 done Root Device assign_resources, bus 0 link: 0 DOMAIN: 0000 assign_resources, bus 0 link: 0 PCI: 00:02.0 10 <- [0x00d0000000 - 0x00d0ffffff] size 0x01000000 gran 0x18 mem64 PCI: 00:02.0 18 <- [0x00c0000000 - 0x00cfffffff] size 0x10000000 gran 0x1c prefmem64 PCI: 00:02.0 20 <- [0x0000001c00 - 0x0000001c3f] size 0x00000040 gran 0x06 io PCI: 00:04.0 10 <- [0x00d1120000 - 0x00d1127fff] size 0x00008000 gran 0x0f mem64 PCI: 00:08.0 10 <- [0x00d1130000 - 0x00d1130fff] size 0x00001000 gran 0x0c mem64 PCI: 00:14.0 10 <- [0x00d1100000 - 0x00d110ffff] size 0x00010000 gran 0x10 mem64 PCI: 00:14.0 assign_resources, bus 0 link: 0 PCI: 00:14.0 assign_resources, bus 0 link: 0 PCI: 00:14.2 10 <- [0x00d1131000 - 0x00d1131fff] size 0x00001000 gran 0x0c mem64 PCI: 00:15.0 10 <- [0x00d1132000 - 0x00d1132fff] size 0x00001000 gran 0x0c mem64 PCI: 00:15.0 assign_resources, bus 1 link: 0 PCI: 00:15.0 assign_resources, bus 1 link: 0 PCI: 00:15.1 10 <- [0x00d1133000 - 0x00d1133fff] size 0x00001000 gran 0x0c mem64 PCI: 00:15.1 assign_resources, bus 2 link: 0 PCI: 00:15.1 assign_resources, bus 2 link: 0 PCI: 00:16.0 10 <- [0x00d1134000 - 0x00d1134fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.0 18 <- [0x00d1135000 - 0x00d1135fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.1 10 <- [0x00d1136000 - 0x00d1136fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.1 assign_resources, bus 3 link: 0 PCI: 00:19.1 assign_resources, bus 3 link: 0 PCI: 00:1c.0 1c <- [0x000000ef9f - 0x000000ef9e] size 0x00000000 gran 0x0c bus 01 io PCI: 00:1c.0 24 <- [0x00dfffffff - 0x00dffffffe] size 0x00000000 gran 0x14 bus 01 prefmem PCI: 00:1c.0 20 <- [0x00d1000000 - 0x00d10fffff] size 0x00100000 gran 0x14 bus 01 mem PCI: 00:1c.0 assign_resources, bus 1 link: 0 PCI: 01:00.0 10 <- [0x00d1000000 - 0x00d1001fff] size 0x00002000 gran 0x0d mem64 PCI: 00:1c.0 assign_resources, bus 1 link: 0 PCI: 00:1e.0 10 <- [0x00d1137000 - 0x00d1137fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1e.2 10 <- [0x00d1138000 - 0x00d1138fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1e.2 assign_resources, bus 4 link: 0 PCI: 00:1e.2 assign_resources, bus 4 link: 0 PCI: 00:1e.4 10 <- [0x00d1139000 - 0x00d1139fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1e.6 10 <- [0x00d113a000 - 0x00d113afff] size 0x00001000 gran 0x0c mem64 PCI: 00:1f.0 assign_resources, bus 0 link: 0 PCI: 00:1f.0 assign_resources, bus 0 link: 0 LPC: Trying to open IO window from 800 size 1ff PCI: 00:1f.2 10 <- [0x00d1128000 - 0x00d112bfff] size 0x00004000 gran 0x0e mem PCI: 00:1f.3 10 <- [0x00d112c000 - 0x00d112ffff] size 0x00004000 gran 0x0e mem64 PCI: 00:1f.3 20 <- [0x00d1110000 - 0x00d111ffff] size 0x00010000 gran 0x10 mem64 PCI: 00:1f.4 10 <- [0x00d113c000 - 0x00d113c0ff] size 0x00000100 gran 0x08 mem64 PCI: 00:1f.5 10 <- [0x00d113b000 - 0x00d113bfff] size 0x00001000 gran 0x0c mem DOMAIN: 0000 assign_resources, bus 0 link: 0 Root Device assign_resources, bus 0 link: 0 Done setting resources. Show resources in subtree (Root Device)...After assigning values. Root Device child on link 0 CPU_CLUSTER: 0 CPU_CLUSTER: 0 child on link 0 APIC: 00 APIC: 00 APIC: 03 APIC: 01 APIC: 02 DOMAIN: 0000 child on link 0 PCI: 00:00.0 DOMAIN: 0000 resource base 1900 size 40 align 6 gran 0 limit ef9f flags 40040100 index 10000000 DOMAIN: 0000 resource base c0000000 size 1113c100 align 28 gran 0 limit dfffffff flags 40040200 index 10000100 PCI: 00:00.0 PCI: 00:00.0 resource base e0000000 size 4000000 align 0 gran 0 limit 0 flags f0000200 index 0 PCI: 00:00.0 resource base fed10000 size 8000 align 0 gran 0 limit 0 flags f0000200 index 1 PCI: 00:00.0 resource base fed18000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 2 PCI: 00:00.0 resource base fed19000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 3 PCI: 00:00.0 resource base fed84000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 4 PCI: 00:00.0 resource base fed80000 size 4000 align 0 gran 0 limit 0 flags f0000200 index 5 PCI: 00:00.0 resource base fed90000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 6 PCI: 00:00.0 resource base fed91000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 7 PCI: 00:00.0 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 8 PCI: 00:00.0 resource base c0000 size 7af40000 align 0 gran 0 limit 0 flags e0004200 index 9 PCI: 00:00.0 resource base 7b000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index b PCI: 00:00.0 resource base 7b800000 size 4800000 align 0 gran 0 limit 0 flags f0000200 index c PCI: 00:00.0 resource base 100000000 size 7f000000 align 0 gran 0 limit 0 flags e0004200 index d PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index e PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index f PCI: 00:02.0 PCI: 00:02.0 resource base d0000000 size 1000000 align 24 gran 24 limit d0ffffff flags 60000201 index 10 PCI: 00:02.0 resource base c0000000 size 10000000 align 28 gran 28 limit cfffffff flags 60001201 index 18 PCI: 00:02.0 resource base 1c00 size 40 align 6 gran 6 limit 1c3f flags 60000100 index 20 PCI: 00:04.0 PCI: 00:04.0 resource base d1120000 size 8000 align 15 gran 15 limit d1127fff flags 60000201 index 10 PCI: 00:08.0 PCI: 00:08.0 resource base d1130000 size 1000 align 12 gran 12 limit d1130fff flags 60000201 index 10 PCI: 00:14.0 child on link 0 USB0 port 0 PCI: 00:14.0 resource base d1100000 size 10000 align 16 gran 16 limit d110ffff flags 60000201 index 10 USB0 port 0 child on link 0 USB2 port 0 USB2 port 0 USB2 port 1 USB2 port 2 USB2 port 4 USB2 port 8 PCI: 00:14.1 PCI: 00:14.2 PCI: 00:14.2 resource base d1131000 size 1000 align 12 gran 12 limit d1131fff flags 60000201 index 10 PCI: 00:15.0 child on link 0 I2C: 01:5c PCI: 00:15.0 resource base d1132000 size 1000 align 12 gran 12 limit d1132fff flags 60000201 index 10 I2C: 01:5c PCI: 00:15.1 child on link 0 I2C: 02:15 PCI: 00:15.1 resource base d1133000 size 1000 align 12 gran 12 limit d1133fff flags 60000201 index 10 I2C: 02:15 PCI: 00:15.2 PCI: 00:15.3 PCI: 00:16.0 PCI: 00:16.0 resource base d1134000 size 1000 align 12 gran 12 limit d1134fff flags 60000201 index 10 PCI: 00:16.1 PCI: 00:16.2 PCI: 00:16.3 PCI: 00:16.4 PCI: 00:17.0 PCI: 00:19.0 PCI: 00:19.0 resource base fe034000 size 1000 align 12 gran 12 limit ffffffffffffffff flags c0000200 index 10 PCI: 00:19.0 resource base d1135000 size 1000 align 12 gran 12 limit d1135fff flags 60000201 index 18 PCI: 00:19.1 child on link 0 I2C: 03:39 PCI: 00:19.1 resource base d1136000 size 1000 align 12 gran 12 limit d1136fff flags 60000201 index 10 I2C: 03:39 I2C: 03:3a I2C: 03:1a PCI: 00:19.2 PCI: 00:1c.0 child on link 0 PCI: 01:00.0 PCI: 00:1c.0 resource base ef9f size 0 align 12 gran 12 limit ef9f flags 60080102 index 1c PCI: 00:1c.0 resource base dfffffff size 0 align 20 gran 20 limit dfffffff flags 60081202 index 24 PCI: 00:1c.0 resource base d1000000 size 100000 align 20 gran 20 limit d10fffff flags 60080202 index 20 PCI: 01:00.0 PCI: 01:00.0 resource base d1000000 size 2000 align 13 gran 13 limit d1001fff flags 60000201 index 10 PCI: 00:1c.1 PCI: 00:1c.2 PCI: 00:1c.3 PCI: 00:1c.4 PCI: 00:1c.5 PCI: 00:1c.6 PCI: 00:1c.7 PCI: 00:1d.0 PCI: 00:1d.1 PCI: 00:1d.2 PCI: 00:1d.3 PCI: 00:1e.0 PCI: 00:1e.0 resource base d1137000 size 1000 align 12 gran 12 limit d1137fff flags 60000201 index 10 PCI: 00:1e.1 PCI: 00:1e.2 child on link 0 SPI: 00 PCI: 00:1e.2 resource base d1138000 size 1000 align 12 gran 12 limit d1138fff flags 60000201 index 10 SPI: 00 PCI: 00:1e.3 PCI: 00:1e.4 PCI: 00:1e.4 resource base d1139000 size 1000 align 12 gran 12 limit d1139fff flags 60000201 index 10 PCI: 00:1e.5 PCI: 00:1e.6 PCI: 00:1e.6 resource base d113a000 size 1000 align 12 gran 12 limit d113afff flags 60000201 index 10 PCI: 00:1f.0 child on link 0 PNP: 0c09.0 PCI: 00:1f.0 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0000100 index 0 PNP: 0c09.0 PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0 PCI: 00:1f.1 PCI: 00:1f.2 PCI: 00:1f.2 resource base d1128000 size 4000 align 14 gran 14 limit d112bfff flags 60000200 index 10 PCI: 00:1f.2 resource base fe000000 size 10000 align 0 gran 0 limit 0 flags d0000200 index 48 PCI: 00:1f.2 resource base 1800 size 100 align 0 gran 0 limit 0 flags c0000100 index 40 PCI: 00:1f.3 PCI: 00:1f.3 resource base d112c000 size 4000 align 14 gran 14 limit d112ffff flags 60000201 index 10 PCI: 00:1f.3 resource base d1110000 size 10000 align 16 gran 16 limit d111ffff flags 60000201 index 20 PCI: 00:1f.4 PCI: 00:1f.4 resource base efa0 size 20 align 0 gran 0 limit efbf flags f0000100 index 20 PCI: 00:1f.4 resource base d113c000 size 100 align 12 gran 8 limit d113c0ff flags 60000201 index 10 PCI: 00:1f.5 PCI: 00:1f.5 resource base d113b000 size 1000 align 12 gran 12 limit d113bfff flags 60000200 index 10 PCI: 00:1f.6 Done allocating resources. BS: BS_DEV_RESOURCES times (us): entry 0 run 2113628 exit 30 Enabling resources... PCI: 00:00.0 subsystem <- 8086/590c PCI: 00:00.0 cmd <- 06 PCI: 00:02.0 subsystem <- 8086/591c PCI: 00:02.0 cmd <- 03 PCI: 00:04.0 cmd <- 02 PCI: 00:08.0 cmd <- 06 PCI: 00:14.0 subsystem <- 8086/9d2f PCI: 00:14.0 cmd <- 02 PCI: 00:14.2 subsystem <- 8086/9d31 PCI: 00:14.2 cmd <- 02 PCI: 00:15.0 subsystem <- 8086/9d60 PCI: 00:15.0 cmd <- 06 PCI: 00:15.1 subsystem <- 8086/9d61 PCI: 00:15.1 cmd <- 06 PCI: 00:16.0 subsystem <- 8086/9d3a PCI: 00:16.0 cmd <- 02 PCI: 00:19.0 subsystem <- 8086/9d66 PCI: 00:19.0 cmd <- 06 PCI: 00:19.1 subsystem <- 8086/9d65 PCI: 00:19.1 cmd <- 06 PCI: 00:1c.0 bridge ctrl <- 0003 PCI: 00:1c.0 subsystem <- 8086/9d10 PCI: 00:1c.0 cmd <- 06 PCI: 00:1e.0 subsystem <- 8086/9d27 PCI: 00:1e.0 cmd <- 06 PCI: 00:1e.2 subsystem <- 8086/9d29 PCI: 00:1e.2 cmd <- 06 PCI: 00:1e.4 subsystem <- 8086/9d2b PCI: 00:1e.4 cmd <- 06 PCI: 00:1e.6 subsystem <- 8086/9d2d PCI: 00:1e.6 cmd <- 06 PCI: 00:1f.0 subsystem <- 8086/9d4b PCI: 00:1f.0 cmd <- 407 PCI: 00:1f.2 subsystem <- 8086/9d21 PCI: 00:1f.2 cmd <- 02 PCI: 00:1f.3 subsystem <- 8086/9d71 PCI: 00:1f.3 cmd <- 02 PCI: 00:1f.4 subsystem <- 8086/9d23 PCI: 00:1f.4 cmd <- 03 PCI: 00:1f.5 subsystem <- 8086/9d24 PCI: 00:1f.5 cmd <- 406 PCI: 01:00.0 subsystem <- 8086/095a PCI: 01:00.0 cmd <- 02 done. ME: Version : 11.8.50.3470 BS: BS_DEV_ENABLE times (us): entry 236 run 139295 exit 19700 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 30866 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 2248 usecs PCI: 00:14.0 init ... PCI: 00:14.0 init finished in 2248 usecs PCI: 00:14.2 init ... PCI: 00:14.2 init finished in 2249 usecs PCI: 00:15.0 init ... DW I2C bus 0 at 0xd1132000 (400 KHz) PCI: 00:15.0 init finished in 5967 usecs PCI: 00:15.1 init ... DW I2C bus 1 at 0xd1133000 (400 KHz) PCI: 00:15.1 init finished in 5965 usecs PCI: 00:16.0 init ... PCI: 00:16.0 init finished in 2248 usecs PCI: 00:19.1 init ... DW I2C bus 5 at 0xd1136000 (400 KHz) PCI: 00:19.1 init finished in 5966 usecs PCI: 00:1c.0 init ... Initializing PCH PCIe bridge. PCI: 00:1c.0 init finished in 5277 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 23484 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 23784 usecs PCI: 00:1f.4 init ... PCI: 00:1f.4 init finished in 2259 usecs PCI: 01:00.0 init ... PCI: 01:00.0 init finished in 2394 usecs PNP: 0c09.0 init ... Google Chrome EC: Hello got back 11223344 status (0) Google Chrome EC: version: ro: rammus_v2.0.387-f0df0fe2e rw: rammus_v2.0.425-6e0dd622e running image: 1 EC returned error result code 1 PNP: 0c09.0 init finished in 24551 usecs Devices initialized Show all devs... After init. Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 DOMAIN: 0000: enabled 1 APIC: 00: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 PCI: 00:15.1: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PCI: 00:1f.1: enabled 0 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 USB0 port 0: enabled 1 I2C: 01:5c: enabled 1 I2C: 02:15: enabled 1 I2C: 03:39: enabled 1 I2C: 03:3a: enabled 1 I2C: 03:1a: enabled 1 PCI: 01:00.0: enabled 1 SPI: 00: enabled 1 PNP: 0c09.0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 APIC: 03: enabled 1 APIC: 01: enabled 1 APIC: 02: enabled 1 PCI: 00:04.0: enabled 1 PCI: 00:08.0: enabled 1 FMAP: area RW_ELOG found @ 9f0000 (16384 bytes) ELOG: NV offset 0x9f0000 size 0x4000 ELOG: area is 4096 bytes, full threshold 3842, shrink size 1024 ELOG: Event(17) added with size 13 at 2022-10-26 18:03:33 UTC POST: Unexpected post code in previous boot: 0x34 ELOG: Event(A3) added with size 11 at 2022-10-26 18:03:33 UTC ELOG: Event(92) added with size 9 at 2022-10-26 18:03:33 UTC ELOG: Event(9A) added with size 9 at 2022-10-26 18:03:33 UTC ELOG: Event(AD) added with size 10 at 2022-10-26 18:03:33 UTC ELOG: Event(9F) added with size 14 at 2022-10-26 18:03:33 UTC BS: BS_DEV_INIT times (us): entry 0 run 417125 exit 60004 ELOG: Event(A1) added with size 10 at 2022-10-26 18:03:33 UTC elog_add_boot_reason: Logged recovery mode boot (Dev-switch on), reason: 0x1b ELOG: Event(A0) added with size 9 at 2022-10-26 18:03:33 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 25578 run 3968 exit 5202 BS: BS_OS_RESUME_CHECK times (us): entry 0 run 58 exit 0 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/dsdt.aml' CBFS: Found @ offset 19af40 size 4691 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/slic' CBFS: 'fallback/slic' not found. ACPI: Writing ACPI tables at 7aa9a000. ACPI: * FACS ACPI: * DSDT Ramoops buffer: 0x100000@0x7a999000. SGX: not enabled or not supported. skip gnvs fill ACPI: * FADT SCI is IRQ9 ACPI: added table 1/32, length now 40 ACPI: * SSDT Found 1 CPU(s) with 4 core(s) each. \_SB.PCI0.I2C0.H05C: SISC Touchscreen at I2C: 01:5c \_SB.PCI0.I2C1.D015: ELAN Touchpad at I2C: 02:15 \_SB.PCI0.I2C5.MAXR: Maxim MAX98927 Codec address 039h \_SB.PCI0.I2C5.MAXL: Maxim MAX98927 Codec address 03ah \_SB.PCI0.I2C5.DLG7: Dialog Semiconductor DA7219 Audio Codec address 01ah irq 105 Error: Could not locate 'wifi_sar' in VPD. Error: failed from getting SAR limits! \_SB.PCI0.RP01.WIFI: Intel WiFi PCI: 01:00.0 \_SB.PCI0.SPI0.S001: SPI Device at SPI: 00 \_SB.PCI0.XHCI.RHUB.HS01: USB Type C Port 1 at USB2 port 0 \_SB.PCI0.XHCI.RHUB.HS02: USB Type A Port 1 at USB2 port 1 \_SB.PCI0.XHCI.RHUB.HS03: Bluetooth at USB2 port 2 \_SB.PCI0.XHCI.RHUB.HS05: USB Type C Port 2 at USB2 port 4 \_SB.PCI0.XHCI.RHUB.HS09: Camera at USB2 port 8 ACPI: added table 2/32, length now 44 ACPI: * MCFG ACPI: added table 3/32, length now 48 ACPI: * TPM2 ACPI: added table 4/32, length now 52 ACPI: * MADT SCI is IRQ9 ACPI: added table 5/32, length now 56 current = 7aa9fa60 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dmic-4ch-48khz-16b.bin' CBFS: Found @ offset 167000 size ba8 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dmic-4ch-48khz-32b.bin' CBFS: Found @ offset 19f640 size ba8 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dialog-2ch-48khz-24b.bin' CBFS: Found @ offset 167cc0 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dialog-2ch-48khz-24b.bin' CBFS: Found @ offset 167cc0 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'max98927-render-2ch-48khz-24b.bin' CBFS: Found @ offset 167c00 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'max98927-render-2ch-48khz-16b.bin' CBFS: Found @ offset 103f00 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'max98927-render-2ch-48khz-16b.bin' CBFS: Found @ offset 103f00 size 64 ACPI: * NHLT ACPI: added table 6/32, length now 60 ACPI: * DMAR ACPI: added table 7/32, length now 64 ACPI: * IGD OpRegion GMA: Found VBT in CBFS GMA: Found valid VBT in CBFS current = 7aaa3610 ACPI: added table 8/32, length now 68 ACPI: * HPET ACPI: added table 9/32, length now 72 ACPI: done. ACPI tables: 38592 bytes. smbios_write_tables: 7a998000 Create SMBIOS type 17 PCI: 01:00.0 (Intel WiFi) SMBIOS tables: 662 bytes. Writing table forward entry at 0x00000500 Wrote coreboot table at: 00000500, 0x10 bytes, checksum a532 Writing coreboot table at 0x7aabe000 0. 0000000000000000-0000000000000fff: CONFIGURATION TABLES 1. 0000000000001000-000000000009ffff: RAM 2. 00000000000a0000-00000000000fffff: RESERVED 3. 0000000000100000-000000007a997fff: RAM 4. 000000007a998000-000000007ab05fff: CONFIGURATION TABLES 5. 000000007ab06000-000000007abcffff: RAMSTAGE 6. 000000007abd0000-000000007affffff: CONFIGURATION TABLES 7. 000000007b000000-000000007fffffff: RESERVED 8. 00000000e0000000-00000000e3ffffff: RESERVED 9. 00000000fe000000-00000000fe00ffff: RESERVED 10. 00000000fed10000-00000000fed19fff: RESERVED 11. 00000000fed80000-00000000fed84fff: RESERVED 12. 00000000fed90000-00000000fed91fff: RESERVED 13. 0000000100000000-000000017effffff: RAM Graphics framebuffer located at 0xc0000000 Passing 6 GPIOs to payload: NAME | PORT | POLARITY | VALUE write protect | undefined | high | low recovery | undefined | high | low lid | undefined | high | high power | undefined | high | low oprom | undefined | high | low EC in RW | 0x00000036 | high | low Board ID: 6 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) Wrote coreboot table at: 7aabe000, 0x57c bytes, checksum 3d89 coreboot table: 1428 bytes. IMD ROOT 0. 7afff000 00001000 IMD SMALL 1. 7affe000 00001000 FSP MEMORY 2. 7abfe000 00400000 CONSOLE 3. 7abde000 00020000 TIME STAMP 4. 7abdd000 00000910 VBOOT 5. 7abdc000 00000c0c MRC DATA 6. 7abda000 00001878 ROMSTG STCK 7. 7abd9000 00000400 AFTER CAR 8. 7abd0000 00009000 RAMSTAGE 9. 7ab05000 000cb000 REFCODE 10. 7aad6000 0002f000 SMM BACKUP 11. 7aac6000 00010000 COREBOOT 12. 7aabe000 00008000 ACPI 13. 7aa9a000 00024000 ACPI GNVS 14. 7aa99000 00001000 RAMOOPS 15. 7a999000 00100000 SMBIOS 16. 7a998000 00000800 IMD small region: IMD ROOT 0. 7affec00 00000400 FSP RUNTIME 1. 7affebe0 00000004 VBOOT SEL 2. 7affebc0 00000008 EC HOSTEVENT 3. 7affeba0 00000008 POWER STATE 4. 7affeb60 00000040 ROMSTAGE 5. 7affeb40 00000004 MEM INFO 6. 7affe980 000001a9 COREBOOTFWD 7. 7affe940 00000028 MTRR: Physical address space: 0x0000000000000000 - 0x00000000000a0000 size 0x000a0000 type 6 0x00000000000a0000 - 0x00000000000c0000 size 0x00020000 type 0 0x00000000000c0000 - 0x000000007b800000 size 0x7b740000 type 6 0x000000007b800000 - 0x00000000c0000000 size 0x44800000 type 0 0x00000000c0000000 - 0x00000000d0000000 size 0x10000000 type 1 0x00000000d0000000 - 0x0000000100000000 size 0x30000000 type 0 0x0000000100000000 - 0x000000017f000000 size 0x7f000000 type 6 MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 call enable_fixed_mtrr() CPU physical address size: 39 bits MTRR: default type WB/UC MTRR counts: 6/5. MTRR: UC selected as default type. MTRR: 0 base 0x0000000000000000 mask 0x0000007f80000000 type 6 MTRR: 1 base 0x000000007b800000 mask 0x0000007fff800000 type 0 MTRR: 2 base 0x000000007c000000 mask 0x0000007ffc000000 type 0 MTRR: 3 base 0x00000000c0000000 mask 0x0000007ff0000000 type 1 MTRR: 4 base 0x0000000100000000 mask 0x0000007f80000000 type 6 MTRR check Fixed MTRRs : Enabled Variable MTRRs: Enabled MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 BS: BS_WRITE_TABLES times (us): entry 0 run 533912 exit 146820 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 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() call enable_fixed_mtrr() CBFS: Found @ offset 223040 size 360b4 CPU physical address size: 39 bits CPU physical address size: 39 bits Checking segment from ROM address 0xfff23078 Checking segment from ROM address 0xfff23094 Loading segment from ROM address 0xfff23078 code (compression=0) New segment dstaddr 0x30104020 memsize 0x64d8b0 srcaddr 0xfff230b0 filesize 0x3607c Loading Segment: addr: 0x30104020 memsz: 0x000000000064d8b0 filesz: 0x000000000003607c it's not compressed! [ 0x30104020, 3013a09c, 0x307518d0) <- fff230b0 Clearing Segment: addr: 0x000000003013a09c memsz: 0x0000000000617834 Loading segment from ROM address 0xfff23094 Entry Point 0x30104020 Loaded segments Finalizing chipset. ME: Host Firmware Status Register 1 : 0x90000245 ME: Host Firmware Status Register 2 : 0x6B000306 ME: Host Firmware Status Register 3 : 0x00000020 ME: Host Firmware Status Register 4 : 0x00084000 ME: Host Firmware Status Register 5 : 0x00000000 ME: Host Firmware Status Register 6 : 0x40000002 ME: FW Partition Table : OK ME: Bringup Loader Failure : NO ME: Firmware Init Complete : YES ME: Manufacturing Mode : NO ME: Boot Options Present : NO ME: Update In Progress : NO ME: D3 Support : NO ME: D0i3 Support : YES ME: Low Power State Enabled : YES ME: CPU Replaced : NO ME: CPU Replacement Valid : YES ME: Current Working State : Normal ME: Current Operation State : M0 with UMA ME: Current Operation Mode : Normal ME: Error Code : No Error ME: Progress Phase : Host Communication ME: Power Management Event : Power cycle reset through Moff ME: Progress Phase State : Host communication established ME: Power Down Mitigation : NO ME: FPF status : fused Clearing MCA. Finalizing SMM. BS: BS_PAYLOAD_LOAD times (us): entry 598 run 261829 exit 135654 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 7729356/tftp-deploy-an5gfyi5/kernel/bzImage 7729356/tftp-deploy-an5gfyi5/kernel/cmdline 7729356/tftp-deploy-an5gfyi5/ramdisk/ramdisk.cpio.gz tftpboot 192.168.201.1 7729356/tftp-deploy-an5gfyi5/kernel/bzImy-an5gfyi5/kernel/cmdline 7729356/tftp-deploy-an5gfyi5/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:68:01:e7 Sending DHCP discover... done. Waiting for reply... done. Sending DHCP request... done. Waiting for reply... done. My ip is 192.168.201.10 The DHCP server ip is 192.168.201.1 TFTP server IP predefined by user: 192.168.201.1 Bootfile predefined by user: 7729356/tftp-deploy-an5gfyi5/kernel/bzImage Sending tftp read request... done. Waiting for the transfer... 00000000 ################################################################ 00080000 ################################################################ 00100000 ################################################################ 00180000 ################################################################ 00200000 ################################################################ 00280000 ################################################################ 00300000 ################################################################ 00380000 ################################################################ 00400000 ################################################################ 00480000 ################################################################ 00500000 ################################################################ 00580000 ################################################################ 00600000 ################################################################ 00680000 ################################################################ 00700000 ################################################################ 00780000 ################################################################ 00800000 ################################################################ 00880000 ################################################################ 00900000 ################################################################ 00980000 ################################################################ 00a00000 ################################################################ 00a80000 ################################################################ 00b00000 ################################################################ 00b80000 ################################################################ 00c00000 ################################################################ 00c80000 ################################################################ 00d00000 ############################## done. The bootfile was 13872256 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: 7729356/tftp-deploy-an5gfyi5/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/7729356/extract-nfsrootfs-5mavvmp4,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: 20216103 Starting kernel ... [ 0.000000] Linux version 5.10.150-cip18 (KernelCI@build-j388074-x86-64-gcc-10-x86-64-defconfig-x86-chromeboocczzp) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Wed Oct 26 17:15:56 UTC 2022 [ 0.000000] Command line: earlyprintk=uart8250,mmio32,0xde000000,115200n8 console=ttyS0,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/7729356/extract-nfsrootfs-5mavvmp4,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 [ 0.000059] last_pfn = 0x17f000 max_arch_pfn = 0x400000000 [ 0.001420] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.007252] last_pfn = 0x7a998 max_arch_pfn = 0x400000000 [ 0.026112] check: Scanning 1 areas for low memory corruption [ 0.026125] Using GB pages for direct mapping [ 0.026843] RAMDISK: [mem 0x377c4000-0x37ffffff] [ 0.026851] ACPI: Early table checksum verification disabled [ 0.026859] ACPI: RSDP 0x00000000000F0000 000024 (v02 CORE ) [ 0.026873] ACPI: XSDT 0x000000007AA9A0E0 00006C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.026890] ACPI: FACP 0x000000007AA9E970 0000F4 (v04 CORE COREBOOT 00000000 CORE 00000000) [ 0.026917] ACPI: DSDT 0x000000007AA9A280 0046E3 (v05 COREv4 COREBOOT 20110725 INTL 20180531) [ 0.026931] ACPI: FACS 0x000000007AA9A240 000040 [ 0.026942] ACPI: FACS 0x000000007AA9A240 000040 [ 0.026954] ACPI: SSDT 0x000000007AA9EA70 000EFA (v02 CORE COREBOOT 0000002A CORE 0000002A) [ 0.026967] ACPI: MCFG 0x000000007AA9F970 00003C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.026980] ACPI: TPM2 0x000000007AA9F9B0 000040 (v04 CORE COREBOOT 00000000 CORE 00000000) [ 0.026992] ACPI: APIC 0x000000007AA9F9F0 00006C (v02 CORE COREBOOT 00000000 CORE 00000000) [ 0.027005] ACPI: NHLT 0x000000007AA9FA60 001B1C (v05 GOOGLE RAMMUS 00000000 CORE 00000000) [ 0.027018] ACPI: DMAR 0x000000007AAA1580 000088 (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.027030] ACPI: DBG2 0x000000007AAA3610 000061 (v00 CORE COREBOOT 00000000 CORE 00000000) [ 0.027043] ACPI: HPET 0x000000007AAA3680 000038 (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.027055] ACPI: Reserving FACP table memory at [mem 0x7aa9e970-0x7aa9ea63] [ 0.027061] ACPI: Reserving DSDT table memory at [mem 0x7aa9a280-0x7aa9e962] [ 0.027066] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] [ 0.027071] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] [ 0.027075] ACPI: Reserving SSDT table memory at [mem 0x7aa9ea70-0x7aa9f969] [ 0.027080] ACPI: Reserving MCFG table memory at [mem 0x7aa9f970-0x7aa9f9ab] [ 0.027085] ACPI: Reserving TPM2 table memory at [mem 0x7aa9f9b0-0x7aa9f9ef] [ 0.027090] ACPI: Reserving APIC table memory at [mem 0x7aa9f9f0-0x7aa9fa5b] [ 0.027095] ACPI: Reserving NHLT table memory at [mem 0x7aa9fa60-0x7aaa157b] [ 0.027100] ACPI: Reserving DMAR table memory at [mem 0x7aaa1580-0x7aaa1607] [ 0.027105] ACPI: Reserving DBG2 table memory at [mem 0x7aaa3610-0x7aaa3670] [ 0.027110] ACPI: Reserving HPET table memory at [mem 0x7aaa3680-0x7aaa36b7] [ 0.027249] No NUMA configuration found [ 0.027254] Faking a node at [mem 0x0000000000000000-0x000000017effffff] [ 0.027265] NODE_DATA(0) allocated [mem 0x17effa000-0x17effdfff] [ 0.027312] Zone ranges: [ 0.027317] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.027325] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.027333] Normal [mem 0x0000000100000000-0x000000017effffff] [ 0.027340] Movable zone start for each node [ 0.027345] Early memory node ranges [ 0.027350] node 0: [mem 0x0000000000001000-0x000000000009ffff] [ 0.027355] node 0: [mem 0x0000000000100000-0x000000007a997fff] [ 0.027361] node 0: [mem 0x0000000100000000-0x000000017effffff] [ 0.027367] Initmem setup node 0 [mem 0x0000000000001000-0x000000017effffff] [ 0.027404] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.027450] On node 0, zone DMA: 96 pages in unavailable ranges [ 0.038882] On node 0, zone Normal: 22120 pages in unavailable ranges [ 0.038964] On node 0, zone Normal: 4096 pages in unavailable ranges [ 0.038990] Reserving Intel graphics memory at [mem 0x7c000000-0x7fffffff] [ 0.039377] ACPI: PM-Timer IO Port: 0x1808 [ 0.039435] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-119 [ 0.039449] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 0.039455] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.039471] Using ACPI (MADT) for SMP configuration information [ 0.039477] ACPI: HPET id: 0x8086a701 base: 0xfed00000 [ 0.039485] TSC deadline timer available [ 0.039491] smpboot: Allowing 4 CPUs, 0 hotplug CPUs [ 0.039522] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.039529] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000fffff] [ 0.039535] PM: hibernation: Registered nosave memory: [mem 0x7a998000-0x7affffff] [ 0.039540] PM: hibernation: Registered nosave memory: [mem 0x7b000000-0x7fffffff] [ 0.039544] PM: hibernation: Registered nosave memory: [mem 0x80000000-0xdfffffff] [ 0.039549] PM: hibernation: Registered nosave memory: [mem 0xe0000000-0xe3ffffff] [ 0.039554] PM: hibernation: Registered nosave memory: [mem 0xe4000000-0xfdffffff] [ 0.039558] PM: hibernation: Registered nosave memory: [mem 0xfe000000-0xfe00ffff] [ 0.039563] PM: hibernation: Registered nosave memory: [mem 0xfe010000-0xfed0ffff] [ 0.039567] PM: hibernation: Registered nosave memory: [mem 0xfed10000-0xfed19fff] [ 0.039572] PM: hibernation: Registered nosave memory: [mem 0xfed1a000-0xfed7ffff] [ 0.039576] PM: hibernation: Registered nosave memory: [mem 0xfed80000-0xfed84fff] [ 0.039581] PM: hibernation: Registered nosave memory: [mem 0xfed85000-0xfed8ffff] [ 0.039586] PM: hibernation: Registered nosave memory: [mem 0xfed90000-0xfed91fff] [ 0.039590] PM: hibernation: Registered nosave memory: [mem 0xfed92000-0xffffffff] [ 0.039599] [mem 0x80000000-0xdfffffff] available for PCI devices [ 0.039607] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns [ 0.054118] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:4 nr_node_ids:1 [ 0.054413] percpu: Embedded 59 pages/cpu s200848 r8192 d32624 u524288 [ 0.054498] Built 1 zonelists, mobility grouping on. Total pages: 1006266 [ 0.054503] Policy zone: Normal [ 0.054518] 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/7729356/extract-nfsrootfs-5mavvmp4,tcp,hard ip=dhcp tftpserverip=192.168.201.1 [ 0.055074] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) [ 0.055334] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear) [ 0.055428] mem auto-init: stack:off, heap alloc:off, heap free:off [ 0.077732] Memory: 3888352K/4089052K available (18450K kernel code, 3458K rwdata, 6768K rodata, 2028K init, 13308K bss, 200440K reserved, 0K cma-reserved) [ 0.077895] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 [ 0.077960] Kernel/User page tables isolation: enabled [ 0.078047] ftrace: allocating 52750 entries in 207 pages [ 0.138016] ftrace: allocated 207 pages with 6 groups [ 0.138326] Running RCU self tests [ 0.138343] rcu: Hierarchical RCU implementation. [ 0.138348] rcu: RCU event tracing is enabled. [ 0.138352] rcu: RCU lockdep checking is enabled. [ 0.138358] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=4. [ 0.138363] Rude variant of Tasks RCU enabled. [ 0.138367] Tracing variant of Tasks RCU enabled. [ 0.138372] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies. [ 0.138377] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 [ 0.149286] NR_IRQS: 4352, nr_irqs: 1024, preallocated irqs: 16 [ 0.149768] random: crng init done [ 0.149884] Console: colour dummy device 80x25 [ 0.225121] printk: console [ttyS0] enabled [ 0.225490] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.226153] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.226514] ... MAX_LOCK_DEPTH: 48 [ 0.226882] ... MAX_LOCKDEP_KEYS: 8192 [ 0.227264] ... CLASSHASH_SIZE: 4096 [ 0.227647] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.228036] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.228425] ... CHAINHASH_SIZE: 32768 [ 0.228815] memory used by lock dependency info: 6365 kB [ 0.229283] memory used for stack traces: 4224 kB [ 0.229701] per task-struct memory footprint: 1920 bytes [ 0.230231] ACPI: Core revision 20200925 [ 0.230840] hpet: HPET dysfunctional in PC10. Force disabled. [ 0.231344] APIC: Switch to symmetric I/O mode setup [ 0.235813] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x170fff30cc4, max_idle_ns: 440795237869 ns [ 0.236736] Calibrating delay loop (skipped), value calculated using timer frequency.. 3199.92 BogoMIPS (lpj=1599960) [ 0.237641] pid_max: default: 32768 minimum: 301 [ 0.237717] LSM: Security Framework initializing [ 0.237717] SELinux: Initializing. [ 0.237717] LSM support for eBPF active [ 0.237717] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.237717] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.237717] mce: CPU0: Thermal monitoring enabled (TM1) [ 0.237717] process: using mwait in idle threads [ 0.237717] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8 [ 0.237717] Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4 [ 0.237717] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 0.237717] Spectre V2 : Mitigation: IBRS [ 0.237717] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 0.237717] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB on VMEXIT [ 0.237717] RETBleed: Mitigation: IBRS [ 0.237717] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier [ 0.237717] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl and seccomp [ 0.237717] MDS: Vulnerable: Clear CPU buffers attempted, no microcode [ 0.237717] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode [ 0.237717] SRBDS: Vulnerable: No microcode [ 0.237717] ------------[ cut here ]------------ [ 0.237717] missing return thunk: lkdtm_rodata_do_nothing+0x0/0x10-lkdtm_rodata_do_nothing+0x5/0x10: e9 00 00 00 00 [ 0.237717] WARNING: CPU: 0 PID: 0 at arch/x86/kernel/alternative.c:712 apply_returns+0x1f5/0x220 [ 0.237717] Modules linked in: [ 0.237717] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.10.150-cip18 #1 [ 0.237717] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 0.237717] RIP: 0010:apply_returns+0x1f5/0x220 [ 0.237717] Code: e4 01 00 0f 85 e1 fe ff ff 49 89 e8 b9 05 00 00 00 4c 89 f2 48 89 ee 48 c7 c7 40 08 ec b2 c6 05 64 4a e4 01 01 e8 76 9a e5 00 <0f> 0b e9 b9 fe ff ff 44 89 f9 c7 00 cc cc cc cc c7 44 08 fc cc cc [ 0.237717] RSP: 0000:ffffffffb3203de0 EFLAGS: 00010282 [ 0.237717] RAX: 0000000000000000 RBX: ffffffffb3cd2b3c RCX: 0000000000000000 [ 0.237717] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffb177a891 [ 0.237717] RBP: ffffffffb2b9b720 R08: 0000000000000001 R09: 0000000000000001 [ 0.237717] R10: ffffffffb328fbc0 R11: 3fffffffffffffff R12: ffffffffb3ce9ce4 [ 0.237717] R13: cccccccccccccccc R14: ffffffffb2b9b725 R15: 0000000000000004 [ 0.237717] FS: 0000000000000000(0000) GS:ffff8bb83ac00000(0000) knlGS:0000000000000000 [ 0.237717] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 0.237717] CR2: ffff8bb83efff000 CR3: 000000001c226001 CR4: 00000000003706f0 [ 0.237717] Call Trace: [ 0.237717] alternative_instructions+0x7d/0x143 [ 0.237717] check_bugs+0xedd/0xf39 [ 0.237717] start_kernel+0x517/0x54d [ 0.237717] secondary_startup_64_no_verify+0xc2/0xcb [ 0.237717] irq event stamp: 162105 [ 0.237717] hardirqs last enabled at (162113): [] console_unlock+0x4d1/0x5f0 [ 0.237717] hardirqs last disabled at (162120): [] console_unlock+0x444/0x5f0 [ 0.237717] softirqs last enabled at (1824): [] cgroup_idr_alloc.constprop.0+0x5b/0xe0 [ 0.237717] softirqs last disabled at (1822): [] cgroup_idr_alloc.constprop.0+0x2e/0xe0 [ 0.237717] ---[ end trace 77b35145f13bafad ]--- [ 0.237717] Freeing SMP# alternatives memory: 44K [ 0.237717] smpboot: CPU0: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz (family: 0x6, model: 0x8e, stepping: 0x9) [ 0.238649] Performance Events: PEBS fmt3+, Skylake events, 32-deep LBR, full-width counters, Intel PMU driver. [ 0.238737] ... version: 4 [ 0.239095] ... bit width: 48 [ 0.239459] ... generic registers: 4 [ 0.239725] ... value mask: 0000ffffffffffff [ 0.240190] ... max period: 00007fffffffffff [ 0.240653] ... fixed-purpose events: 3 [ 0.240724] ... event mask: 000000070000000f [ 0.241876] rcu: Hierarchical SRCU implementation. [ 0.244813] smp: Bringing up secondary CPUs ... [ 0.246256] x86: Booting SMP configuration: [ 0.246662] .... node #0, CPUs: #1 #2 [ 0.250152] 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. [ 0.250728] 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. [ 0.252489] #3 [ 0.253423] smp: Brought up 1 node, 4 CPUs [ 0.254105] smpboot: Max logical packages: 1 [ 0.254487] smpboot: Total of 4 processors activated (12799.68 BogoMIPS) [ 0.257149] devtmpfs: initialized [ 0.258191] x86/mm: Memory block size: 128MB [ 0.263864] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns [ 0.264743] futex hash table entries: 1024 (order: 5, 131072 bytes, linear) [ 0.265965] pinctrl core: initialized pinctrl subsystem [ 0.266900] PM: RTC time: 18:03:49, date: 2022-10-26 [ 0.268105] NET: Registered protocol family 16 [ 0.269536] audit: initializing netlink subsys (disabled) [ 0.269792] audit: type=2000 audit(1666807429.033:1): state=initialized audit_enabled=0 res=1 [ 0.270912] thermal_sys: Registered thermal governor 'step_wise' [ 0.270919] thermal_sys: Registered thermal governor 'user_space' [ 0.271551] cpuidle: using governor menu [ 0.273177] ACPI: bus type PCI registered [ 0.274236] PCI: MMCONFIG for domain 0000 [bus 00-3f] at [mem 0xe0000000-0xe3ffffff] (base 0xe0000000) [ 0.274735] PCI: MMCONFIG at [mem 0xe0000000-0xe3ffffff] reserved in E820 [ 0.275368] PCI: Using configuration type 1 for base access [ 0.306762] Kprobes globally optimized [ 0.307902] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 0.307902] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 0.308977] cryptomgr_test (38) used greatest stack depth: 14880 bytes left [ 0.313139] ACPI: Added _OSI(Module Device) [ 0.313737] ACPI: Added _OSI(Processor Device) [ 0.314134] ACPI: Added _OSI(3.0 _SCP Extensions) [ 0.314553] ACPI: Added _OSI(Processor Aggregator Device) [ 0.314728] ACPI: Added _OSI(Linux-Dell-Video) [ 0.315125] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 0.315594] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 0.332639] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 0.344675] ACPI: EC: EC started [ 0.344724] ACPI: EC: interrupt blocked [ 0.346115] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.346569] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC used to handle transactions [ 0.346727] ACPI: Interpreter enabled [ 0.347153] ACPI: (supports S0 S3 S4 S5) [ 0.347507] ACPI: Using IOAPIC for interrupt routing [ 0.348832] PCI: Using host bridge windows from ACPI; if necessary, use \"pci=nocrs\" and report a bug [ 0.373279] ACPI: Power Resource [PRIC] (on) [ 0.507047] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 0.507600] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] [ 0.508142] acpi PNP0A08:00: _OSC: OS now controls [PME PCIeCapability LTR] [ 0.508819] acpi PNP0A08:00: [Firmware Info]: MMCONFIG for domain 0000 [bus 00-3f] only partially covers this bridge [ 0.510582] PCI host bridge to bus 0000:00 [ 0.510730] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 0.511321] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 0.512729] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 0.513378] pci_bus 0000:00: root bus resource [mem 0x000c0000-0x000c3fff window] [ 0.513727] pci_bus 0000:00: root bus resource [mem 0x000c4000-0x000c7fff window] [ 0.514375] pci_bus 0000:00: root bus resource [mem 0x000c8000-0x000cbfff window] [ 0.514726] pci_bus 0000:00: root bus resource [mem 0x000cc000-0x000cffff window] [ 0.515374] pci_bus 0000:00: root bus resource [mem 0x000d0000-0x000d3fff window] [ 0.516728] pci_bus 0000:00: root bus resource [mem 0x000d4000-0x000d7fff window] [ 0.517375] pci_bus 0000:00: root bus resource [mem 0x000d8000-0x000dbfff window] [ 0.517726] pci_bus 0000:00: root bus resource [mem 0x000dc000-0x000dffff window] [ 0.518374] pci_bus 0000:00: root bus resource [mem 0x000e0000-0x000e3fff window] [ 0.518727] pci_bus 0000:00: root bus resource [mem 0x000e4000-0x000e7fff window] [ 0.519374] pci_bus 0000:00: root bus resource [mem 0x000e8000-0x000ebfff window] [ 0.519726] pci_bus 0000:00: root bus resource [mem 0x000ec000-0x000effff window] [ 0.520374] pci_bus 0000:00: root bus resource [mem 0x000f0000-0x000fffff window] [ 0.521728] pci_bus 0000:00: root bus resource [mem 0x80000001-0xdfffffff window] [ 0.522376] pci_bus 0000:00: root bus resource [mem 0x800000000-0xbffffffff window] [ 0.522727] pci_bus 0000:00: root bus resource [mem 0xfd000000-0xfe7fffff window] [ 0.523374] pci_bus 0000:00: root bus resource [mem 0xfed40000-0xfed44fff window] [ 0.523728] pci_bus 0000:00: root bus resource [bus 00-ff] [ 0.524316] pci 0000:00:00.0: [8086:590c] type 00 class 0x060000 [ 0.526124] pci 0000:00:02.0: [8086:591c] type 00 class 0x030000 [ 0.526679] pci 0000:00:02.0: reg 0x10: [mem 0xd0000000-0xd0ffffff 64bit] [ 0.527746] pci 0000:00:02.0: reg 0x18: [mem 0xc0000000-0xcfffffff 64bit pref] [ 0.528382] pci 0000:00:02.0: reg 0x20: [io 0x1c00-0x1c3f] [ 0.529624] pci 0000:00:04.0: [8086:1903] type 00 class 0x118000 [ 0.530758] pci 0000:00:04.0: reg 0x10: [mem 0xd1120000-0xd1127fff 64bit] [ 0.532404] pci 0000:00:08.0: [8086:1911] type 00 class 0x088000 [ 0.532758] pci 0000:00:08.0: reg 0x10: [mem 0xd1130000-0xd1130fff 64bit] [ 0.534252] pci 0000:00:14.0: [8086:9d2f] type 00 class 0x0c0330 [ 0.534770] pci 0000:00:14.0: reg 0x10: [mem 0xd1100000-0xd110ffff 64bit] [ 0.535530] pci 0000:00:14.0: PME# supported from D3hot D3cold [ 0.536790] pci 0000:00:14.2: [8086:9d31] type 00 class 0x118000 [ 0.537355] pci 0000:00:14.2: reg 0x10: [mem 0xd1131000-0xd1131fff 64bit] [ 0.538660] pci 0000:00:15.0: [8086:9d60] type 00 class 0x118000 [ 0.539779] pci 0000:00:15.0: reg 0x10: [mem 0xd1132000-0xd1132fff 64bit] [ 0.541478] pci 0000:00:15.1: [8086:9d61] type 00 class 0x118000 [ 0.541778] pci 0000:00:15.1: reg 0x10: [mem 0xd1133000-0xd1133fff 64bit] [ 0.543516] pci 0000:00:19.0: [8086:9d66] type 00 class 0x118000 [ 0.543777] pci 0000:00:19.0: reg 0x10: [mem 0xfe034000-0xfe034fff 64bit] [ 0.544398] pci 0000:00:19.0: reg 0x18: [mem 0xd1135000-0xd1135fff 64bit] [ 0.546839] pci 0000:00:19.1: [8086:9d65] type 00 class 0x118000 [ 0.547413] pci 0000:00:19.1: reg 0x10: [mem 0xd1136000-0xd1136fff 64bit] [ 0.548889] pci 0000:00:1c.0: [8086:9d10] type 01 class 0x060400 [ 0.549644] pci 0000:00:1c.0: PME# supported from D0 D3hot D3cold [ 0.550803] pci 0000:00:1e.0: [8086:9d27] type 00 class 0x118000 [ 0.551378] pci 0000:00:1e.0: reg 0x10: [mem 0xd1137000-0xd1137fff 64bit] [ 0.553857] pci 0000:00:1e.2: [8086:9d29] type 00 class 0x118000 [ 0.554433] pci 0000:00:1e.2: reg 0x10: [mem 0xd1138000-0xd1138fff 64bit] [ 0.555849] pci 0000:00:1e.4: [8086:9d2b] type 00 class 0x080501 [ 0.556416] pci 0000:00:1e.4: reg 0x10: [mem 0xd1139000-0xd1139fff 64bit] [ 0.557999] pci 0000:00:1e.6: [8086:9d2d] type 00 class 0x080501 [ 0.558568] pci 0000:00:1e.6: reg 0x10: [mem 0xd113a000-0xd113afff 64bit] [ 0.560810] pci 0000:00:1f.0: [8086:9d4b] type 00 class 0x060100 [ 0.562395] pci 0000:00:1f.2: [8086:9d21] type 00 class 0x058000 [ 0.562762] pci 0000:00:1f.2: reg 0x10: [mem 0xd1128000-0xd112bfff] [ 0.564361] pci 0000:00:1f.3: [8086:9d71] type 00 class 0x040100 [ 0.564775] pci 0000:00:1f.3: reg 0x10: [mem 0xd112c000-0xd112ffff 64bit] [ 0.565427] pci 0000:00:1f.3: reg 0x20: [mem 0xd1110000-0xd111ffff 64bit] [ 0.565854] pci 0000:00:1f.3: PME# supported from D3hot D3cold [ 0.567424] pci 0000:00:1f.4: [8086:9d23] type 00 class 0x0c0500 [ 0.568797] pci 0000:00:1f.4: reg 0x10: [mem 0xd113c000-0xd113c0ff 64bit] [ 0.569463] pci 0000:00:1f.4: reg 0x20: [io 0xefa0-0xefbf] [ 0.570742] pci 0000:00:1f.5: [8086:9d24] type 00 class 0x000000 [ 0.571302] pci 0000:00:1f.5: reg 0x10: [mem 0xfe010000-0xfe010fff] [ 0.573527] pci 0000:01:00.0: [8086:095a] type 00 class 0x028000 [ 0.574674] pci 0000:01:00.0: reg 0x10: [mem 0xd1000000-0xd1001fff 64bit] [ 0.579923] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold [ 0.582954] pci 0000:00:1c.0: PCI bridge to [bus 01] [ 0.583409] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] [ 0.585542] ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.587125] ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 *10 12 14 15) [ 0.588110] ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.589104] ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.590122] ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.591121] ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.592156] ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.593119] ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.601400] ACPI: EC: interrupt unblocked [ 0.601724] ACPI: EC: event unblocked [ 0.602070] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.602522] ACPI: EC: GPE=0x6e [ 0.602732] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC initialization complete [ 0.603346] ACPI: \_SB_.PCI0.LPCB.EC0_: EC: Used to handle transactions and events [ 0.604797] iommu: Default domain type: Translated [ 0.606006] pci 0000:00:02.0: vgaarb: setting as boot VGA device [ 0.606373] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 0.606756] pci 0000:00:02.0: vgaarb: bridge control possible [ 0.607260] vgaarb: loaded [ 0.608273] SCSI subsystem initialized [ 0.610046] ACPI: bus type USB registered [ 0.610581] usbcore: registered new interface driver usbfs [ 0.610814] usbcore: registered new interface driver hub [ 0.611336] usbcore: registered new device driver usb [ 0.611899] pps_core: LinuxPPS API ver. 1 registered [ 0.612337] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 0.612742] PTP clock support registered [ 0.614063] Advanced Linux Sound Architecture Driver Initialized. [ 0.615770] NetLabel: Initializing [ 0.616082] NetLabel: domain hash size = 128 [ 0.616470] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 0.617828] NetLabel: unlabeled traffic allowed by default [ 0.618437] PCI: Using ACPI for IRQ routing [ 0.626719] clocksource: Switched to clocksource tsc-early [ 1.155081] VFS: Disk quotas dquot_6.6.0 [ 1.155496] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 1.156621] pnp: PnP ACPI init [ 1.158008] system 00:00: [mem 0xfed10000-0xfed17fff] has been reserved [ 1.158592] system 00:00: [mem 0xfed18000-0xfed18fff] has been reserved [ 1.159194] system 00:00: [mem 0xfed19000-0xfed19fff] has been reserved [ 1.159791] system 00:00: [mem 0xe0000000-0xe3ffffff] has been reserved [ 1.160370] system 00:00: [mem 0xfed20000-0xfed3ffff] has been reserved [ 1.160968] system 00:00: [mem 0xfed90000-0xfed93fff] could not be reserved [ 1.161577] system 00:00: [mem 0xfed45000-0xfed8ffff] could not be reserved [ 1.162201] system 00:00: [mem 0xff000000-0xffffffff] has been reserved [ 1.162797] system 00:00: [mem 0xfee00000-0xfeefffff] has been reserved [ 1.163376] system 00:00: [mem 0xfed00000-0xfed003ff] has been reserved [ 1.165214] system 00:01: [io 0x1800-0x18fe] has been reserved [ 1.166278] system 00:03: [io 0x0900-0x09fe] has been reserved [ 1.167161] system 00:04: [io 0x0200] has been reserved [ 1.167634] system 00:04: [io 0x0204] has been reserved [ 1.168125] system 00:04: [io 0x0800-0x087f] has been reserved [ 1.168647] system 00:04: [io 0x0880-0x08ff] has been reserved [ 1.172305] pnp: PnP ACPI: found 6 devices [ 1.190073] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 1.191009] NET: Registered protocol family 2 [ 1.191588] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear) [ 1.194284] tcp_listen_portaddr_hash hash table entries: 2048 (order: 5, 163840 bytes, linear) [ 1.195328] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear) [ 1.196308] TCP bind hash table entries: 32768 (order: 9, 2359296 bytes, linear) [ 1.199265] TCP: Hash tables configured (established 32768 bind 32768) [ 1.200248] MPTCP token hash table entries: 4096 (order: 6, 360448 bytes, linear) [ 1.201266] UDP hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 1.202186] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 1.203305] NET: Registered protocol family 1 [ 1.204572] RPC: Registered named UNIX socket transport module. [ 1.205151] RPC: Registered udp transport module. [ 1.205569] RPC: Registered tcp transport module. [ 1.206005] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 1.207295] NET: Registered protocol family 44 [ 1.207713] pci 0000:00:1c.0: PCI bridge to [bus 01] [ 1.208198] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] [ 1.208825] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 1.209365] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 1.209994] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 1.210592] pci_bus 0000:00: resource 7 [mem 0x000c0000-0x000c3fff window] [ 1.211207] pci_bus 0000:00: resource 8 [mem 0x000c4000-0x000c7fff window] [ 1.211819] pci_bus 0000:00: resource 9 [mem 0x000c8000-0x000cbfff window] [ 1.212416] pci_bus 0000:00: resource 10 [mem 0x000cc000-0x000cffff window] [ 1.213036] pci_bus 0000:00: resource 11 [mem 0x000d0000-0x000d3fff window] [ 1.213639] pci_bus 0000:00: resource 12 [mem 0x000d4000-0x000d7fff window] [ 1.214258] pci_bus 0000:00: resource 13 [mem 0x000d8000-0x000dbfff window] [ 1.214922] pci_bus 0000:00: resource 14 [mem 0x000dc000-0x000dffff window] [ 1.215525] pci_bus 0000:00: resource 15 [mem 0x000e0000-0x000e3fff window] [ 1.216146] pci_bus 0000:00: resource 16 [mem 0x000e4000-0x000e7fff window] [ 1.216764] pci_bus 0000:00: resource 17 [mem 0x000e8000-0x000ebfff window] [ 1.217366] pci_bus 0000:00: resource 18 [mem 0x000ec000-0x000effff window] [ 1.217985] pci_bus 0000:00: resource 19 [mem 0x000f0000-0x000fffff window] [ 1.218589] pci_bus 0000:00: resource 20 [mem 0x80000001-0xdfffffff window] [ 1.219208] pci_bus 0000:00: resource 21 [mem 0x800000000-0xbffffffff window] [ 1.219841] pci_bus 0000:00: resource 22 [mem 0xfd000000-0xfe7fffff window] [ 1.220445] pci_bus 0000:00: resource 23 [mem 0xfed40000-0xfed44fff window] [ 1.221065] pci_bus 0000:01: resource 1 [mem 0xd1000000-0xd10fffff] [ 1.222265] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 1.225656] PCI: CLS 64 bytes, default 64 [ 1.226508] Unpacking initramfs... [ 1.598556] Freeing initrd memory: 8432K [ 1.599047] DMAR: Host address width 39 [ 1.599427] DMAR: DRHD base: 0x000000fed90000 flags: 0x0 [ 1.599993] DMAR: dmar0: reg_base_addr fed90000 ver 1:0 cap 1c0000c40660462 ecap 19e2ff0505e [ 1.600740] DMAR: RMRR base: 0x0000007b800000 end: 0x0000007fffffff [ 1.601290] DMAR: DRHD base: 0x000000fed91000 flags: 0x1 [ 1.601796] DMAR: dmar1: reg_base_addr fed91000 ver 1:0 cap d2008c40660462 ecap f050da [ 1.602596] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 1.603175] software IO TLB: mapped [mem 0x0000000076998000-0x000000007a998000] (64MB) [ 1.604122] RAPL PMU: API unit is 2^-32 Joules, 5 fixed counters, 655360 ms ovfl timer [ 1.604841] RAPL PMU: hw unit of domain pp0-core 2^-14 Joules [ 1.605345] RAPL PMU: hw unit of domain package 2^-14 Joules [ 1.605927] RAPL PMU: hw unit of domain dram 2^-14 Joules [ 1.606401] RAPL PMU: hw unit of domain pp1-gpu 2^-14 Joules [ 1.606910] RAPL PMU: hw unit of domain psys 2^-14 Joules [ 1.609682] kvm: already loaded the other module [ 1.616891] check: Scanning for low memory corruption every 60 seconds [ 1.621689] Initialise system trusted keyrings [ 1.622414] workingset: timestamp_bits=56 max_order=20 bucket_order=0 [ 1.649408] NFS: Registering the id_resolver key type [ 1.649921] Key type id_resolver registered [ 1.650325] Key type id_legacy registered [ 1.673472] Key type asymmetric registered [ 1.673898] Asymmetric key parser 'x509' registered [ 1.674389] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249) [ 1.675069] io scheduler mq-deadline registered [ 1.675472] io scheduler kyber registered [ 1.676123] test_firmware: interface ready [ 1.678576] pcieport 0000:00:1c.0: PME: Signaling with IRQ 120 [ 1.680826] ACPI: AC Adapter [AC] (on-line) [ 1.681700] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/PNP0C0D:00/input/input0 [ 1.683621] ACPI: Lid Switch [LID0] [ 1.684327] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input1 [ 1.685313] ACPI: Power Button [PWRF] [ 1.686221] ACPI: \_PR_.CP00: Found 3 idle states [ 1.687642] ACPI: \_PR_.CP01: Found 3 idle states [ 1.688893] ACPI: \_PR_.CP02: Found 3 idle states [ 1.690071] ACPI: \_PR_.CP03: Found 3 idle states [ 1.692540] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 1.696411] hpet_acpi_add: no address or irqs in _CRS [ 1.697236] Non-volatile memory driver v1.3 [ 1.697878] Linux agpgart interface v0.103 [ 1.698244] battery: ACPI: Battery Slot [BAT0] (battery present) [ 1.702373] i915 0000:00:02.0: vgaarb: deactivate vga console [ 1.755220] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem [ 1.756603] i915 0000:00:02.0: Direct firmware load for i915/kbl_dmc_ver1_04.bin failed with error -2 [ 1.757539] i915 0000:00:02.0: [drm] Failed to load DMC firmware i915/kbl_dmc_ver1_04.bin. Disabling runtime power management. [ 1.758761] i915 0000:00:02.0: [drm] DMC firmware homepage: https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/tree/i915 [ 1.795620] [drm] Initialized i915 1.6.0 20200917 for 0000:00:02.0 on minor 0 [ 1.800221] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 1 [ 1.824273] loop: module loaded [ 1.825633] lkdtm: No crash points registered, enable through debugfs [ 1.858217] printk: console [ttyS0] disabled [ 1.859777] dw-apb-uart.2: ttyS0 at MMIO 0xfe034000 (irq = 32, base_baud = 115200) is a 16550A [ 2.635906] tsc: Refined TSC clocksource calibration: 1608.000 MHz [ 2.636714] printk: console [ttyS0] enabled [ 2.645151] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x172daa3a18b, max_idle_ns: 440795212390 ns [ 2.671019] dw-apb-uart.4: ttyS1 at MMIO 0xd1137000 (irq = 20, base_baud = 115200) is a 16550A [ 5.303776] clocksource: Switched to clocksource tsc [ 5.303973] fbcon: i915drmfb (fb0) is primary device [ 5.307437] pxa2xx-spi pxa2xx-spi.5: no DMA channels available, using PIO [ 5.317787] e100: Intel(R) PRO/100 Network Driver [ 5.317792] e100: Copyright(c) 1999-2006 Intel Corporation [ 5.318033] e1000: Intel(R) PRO/1000 Network Driver [ 5.318038] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 5.318223] e1000e: Intel(R) PRO/1000 Network Driver [ 5.318226] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 5.318470] sky2: driver version 1.30 [ 5.318677] tpm_tis_spi spi-PRP0001:00: TPM ready IRQ confirmed on attempt 2 [ 5.319148] usbcore: registered new interface driver r8152 [ 5.319903] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 5.319936] ehci-pci: EHCI PCI platform driver [ 5.320099] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 5.320125] ohci-pci: OHCI PCI platform driver [ 5.320279] uhci_hcd: USB Universal Host Controller Interface driver [ 5.322566] xhci_hcd 0000:00:14.0: xHCI Host Controller [ 5.323931] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 1 [ 5.325428] xhci_hcd 0000:00:14.0: hcc params 0x200077c1 hci version 0x100 quirks 0x0000000081109810 [ 5.325493] xhci_hcd 0000:00:14.0: cache line size of 64 is not supported [ 5.328802] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10 [ 5.328850] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 5.328855] usb usb1: Product: xHCI Host Controller [ 5.328860] usb usb1: Manufacturer: Linux 5.10.150-cip18 xhci-hcd [ 5.328864] usb usb1: SerialNumber: 0000:00:14.0 [ 5.331037] hub 1-0:1.0: USB hub found [ 5.331236] hub 1-0:1.0: 12 ports detected [ 5.336166] xhci_hcd 0000:00:14.0: xHCI Host Controller [ 5.336679] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 2 [ 5.336693] xhci_hcd 0000:00:14.0: Host supports USB 3.0 SuperSpeed [ 5.337163] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.10 [ 5.337173] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 5.337178] usb usb2: Product: xHCI Host Controller [ 5.337182] usb usb2: Manufacturer: Linux 5.10.150-cip18 xhci-hcd [ 5.337186] usb usb2: SerialNumber: 0000:00:14.0 [ 5.338621] hub 2-0:1.0: USB hub found [ 5.338795] hub 2-0:1.0: 6 ports detected [ 5.341847] usbcore: registered new interface driver usblp [ 5.341973] usbcore: registered new interface driver usb-storage [ 5.342559] udc-core: couldn't find an available UDC - added [g_ether] to list of pending drivers [ 5.342772] i8042: PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1 [ 5.342775] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp [ 5.343578] i8042: Warning: Keylock active [ 5.343861] serio: i8042 KBD port at 0x60,0x64 irq 1 [ 5.346013] rtc_cmos 00:02: RTC can wake from S4 [ 5.346337] tpm_tis_spi spi-PRP0001:00: 2.0 TPM (device-id 0x28, rev-id 0) [ 5.348504] rtc_cmos 00:02: registered as rtc0 [ 5.348845] rtc_cmos 00:02: alarms up to one month, 242 bytes nvram [ 5.349366] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input2 [ 5.350585] i801_smbus 0000:00:1f.4: SPD Write Disable is set [ 5.350641] i801_smbus 0000:00:1f.4: SMBus using PCI interrupt [ 5.352078] i2c i2c-9: 2/2 memory slots populated (from DMI) [ 5.352821] Console: switching to colour frame buffer device 240x67 [ 5.354007] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com [ 5.354065] intel_pstate: Intel P-state driver initializing [ 5.355351] intel_pstate: HWP enabled [ 5.355399] sdhci: Secure Digital Host Controller Interface driver [ 5.355400] sdhci: Copyright(c) Pierre Ossman [ 5.355446] sdhci-pci 0000:00:1e.4: SDHCI controller found [8086:9d2b] (rev 21) [ 5.357634] mmc0: SDHCI controller on PCI [0000:00:1e.4] using ADMA 64-bit [ 5.357928] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.359426] hid: raw HID events driver (C) Jiri Kosina [ 5.364641] i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device [ 5.576776] usb 1-3: new full-speed USB device number 2 using xhci_hcd [ 5.578284] usbcore: registered new interface driver usbhid [ 5.662158] tpm_tis_spi spi-PRP0001:00: Cr50 firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_A:0.5.6/cr50_v1.9308_87_mp.510-d2 [ 5.668208] usbhid: USB HID core driver [ 5.669088] input: Tablet Mode Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/GOOG0006:00/input/input3 [ 5.711064] usb 1-3: New USB device found, idVendor=8087, idProduct=0a2a, bcdDevice= 0.03 [ 5.720997] cros_ec_lpcs GOOG0004:00: Chrome EC device registered [ 5.725695] usb 1-3: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 5.732552] snd_hda_intel 0000:00:1f.3: DSP detected with PCI class/subclass/prog-if info 0x040100 [ 5.780349] mmc0: new HS400 MMC card at address 0001 [ 5.787119] netem: version 1.3 [ 5.793090] mmcblk0: mmc0:0001 DA4064 58.2 GiB [ 5.798836] ipip: IPv4 and MPLS over IPv4 tunneling driver [ 5.811680] mmcblk0boot0: mmc0:0001 DA4064 partition 1 4.00 MiB [ 5.816175] gre: GRE over IPv4 demultiplexor driver [ 5.829099] mmcblk0boot1: mmc0:0001 DA4064 partition 2 4.00 MiB [ 5.838143] ip_gre: GRE over IPv4 tunneling driver [ 5.838211] usb 2-3: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 5.839625] IPv4 over IPsec tunneling driver [ 5.839940] Initializing XFRM netlink socket [ 5.840598] NET: Registered protocol family 10 [ 5.841698] Segment Routing with IPv6 [ 5.842497] ip6_gre: GRE over IPv6 tunneling driver [ 5.842959] NET: Registered protocol family 17 [ 5.845150] mmcblk0rpmb: mmc0:0001 DA4064 partition 3 16.0 MiB, chardev (246:0) [ 5.845769] Key type dns_resolver registered [ 5.847598] snd_hda_intel 0000:00:1f.3: bound 0000:00:02.0 (ops i915_audio_component_bind_ops) [ 5.861204] snd_hda_intel 0000:00:1f.3: Cannot probe codecs, giving up [ 5.864010] microcode: sig=0x806e9, pf=0x10, revision=0x98 [ 5.868699] microcode: Microcode Update Driver: v2.2. [ 5.873065] usb 2-3: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=31.00 [ 5.877152] IPI shorthand broadcast: enabled [ 5.877221] sched_clock: Marking stable (5790139288, 86992251)->(5967201472, -90069933) [ 5.883339] usb 2-3: New USB device strings: Mfr=1, Product=2, SerialNumber=6 [ 5.895652] registered taskstats version 1 [ 5.902111] usb 2-3: Product: USB 10/100/1000 LAN [ 5.907474] Loading compiled-in X.509 certificates [ 5.915383] usb 2-3: Manufacturer: Realtek [ 5.922834] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.924939] usb 2-3: SerialNumber: 001000001 [ 5.931798] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.938743] mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12 [ 5.941031] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.986754] usb 1-9: new high-speed USB device number 3 using xhci_hcd [ 6.002000] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.099356] PM: Magic number: 10:402:90 [ 6.104028] printk: console [netcon0] enabled [ 6.108905] netconsole: network logging started [ 6.169974] usb 1-9: New USB device found, idVendor=13d3, idProduct=56d4, bcdDevice=18.07 [ 6.179175] usb 1-9: New USB device strings: Mfr=3, Product=1, SerialNumber=2 [ 6.187191] usb 1-9: Product: USB2.0 HD UVC WebCam [ 6.192595] usb 1-9: Manufacturer: Azurewave [ 6.197395] usb 1-9: SerialNumber: 0x0001 [ 6.208405] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.255134] usb 2-3: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 6.306713] r8152 2-3:1.0: load rtl8153b-2 v1 10/23/19 successfully [ 6.348365] r8152 2-3:1.0 eth0: v1.11.11 [ 6.353564] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.354289] IP-Config: Failed to open gretap0 [ 6.366744] IP-Config: Failed to open erspan0 [ 6.388894] Sending DHCP requests . [ 8.034920] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready [ 8.046855] r8152 2-3:1.0 eth0: carrier on [ 9.154876] ., OK [ 9.163060] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.10 [ 9.172061] IP-Config: Complete: [ 9.175707] device=eth0, hwaddr=00:e0:4c:68:01:e7, ipaddr=192.168.201.10, mask=255.255.255.0, gw=192.168.201.1 [ 9.187403] host=asus-C433TA-AJ0005-rammus-cbg-1, domain=lava-rack, nis-domain=(none) [ 9.196659] bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath= [ 9.196663] nameserver0=192.168.201.1 [ 9.209521] cfg80211: Loading compiled-in X.509 certificates for regulatory database [ 9.221340] modprobe (101) used greatest stack depth: 14208 bytes left [ 9.224544] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' [ 9.228681] modprobe (102) used greatest stack depth: 14120 bytes left [ 9.236103] ALSA device list: [ 9.246874] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 [ 9.247763] No soundcards found. [ 9.256548] cfg80211: failed to load regulatory.db [ 9.266186] dw-apb-uart dw-apb-uart.2: forbid DMA for kernel console [ 9.276038] Freeing unused kernel image (initmem) memory: 2028K [ 9.294038] Write protecting the kernel read-only data: 28672k [ 9.301707] Freeing unused kernel image (text/rodata gap) memory: 2028K [ 9.309639] Freeing unused kernel image (rodata/data gap) memory: 1424K [ 9.317152] Run /init as init process Loading, please wait... Starting version 247.3-7+deb11u1 [ 9.339103] systemd-udevd (123) used greatest stack depth: 13800 bytes left [ 9.394470] udevadm (125) used greatest stack depth: 13576 bytes left [ 9.557244] cros-usbpd-notify-acpi GOOG0003:00: Couldn't get Chrome EC device pointer. [ 9.566288] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.605335] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.647589] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.659843] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.675241] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.685411] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) Begin: Loading essential drivers ... done. Begin: Running /scripts/init-premount ... done. Begin: Mounting root file system ... Begin: Running /scripts/nfs-top ... done. Begin: Running /scripts/nfs-premount ... done. IP-Config: gretap0 hardware address 00:00:00:00:00:00 mtu 1462 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: erspan0 hardware address 00:00:00:00:00:00 mtu 1450 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: eth0 hardware address 00:e0:4c:68:01:e7 mtu 1500 DHCP IP-Config: eth0 complete (dhcp from 192.168.201.1): address: 192.168.201.10 broadcast: 192.168.201.255 netmask: 255.255.255.0 gateway: 192.1[ 9.807120] ipconfig (159) used greatest stack depth: 13464 bytes left 68.201.1 dns0 : 192.168.201.1 dns1 : 0.0.0.0 host : asus-C433TA-AJ0005-rammus-cbg-1 domain : lava-rack rootserver: 192.168.201.1 rootpath: filename : [ 9.866070] nfsmount (160) 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 [ 11.105700] 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) [ 11.144058] systemd[1]: Detected architecture x86-64. Welcome to [1mDebian GNU/Linux 11 (bullseye)[0m! [ 11.172562] systemd[1]: Set hostname to . [ 11.659137] systemd[1]: Queued start job for default target Graphical Interface. [ 11.670379] systemd[1]: Created slice system-getty.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-getty.slice[0m. [ 11.687402] systemd[1]: Created slice system-modprobe.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-modprobe.slice[0m. [ 11.703475] systemd[1]: Created slice system-serial\x2dgetty.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-serial\x2dgetty.slice[0m. [ 11.720358] systemd[1]: Created slice User and Session Slice. [[0;32m OK [0m] Created slice [0;1;39mUser and Session Slice[0m. [ 11.736299] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [[0;32m OK [0m] Started [0;1;39mDispatch Password …ts to Console Directory Watch[0m. [ 11.755182] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [[0;32m OK [0m] Started [0;1;39mForward Password R…uests to Wall Directory Watch[0m. [ 11.776914] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point. [[0;32m OK [0m] Set up automount [0;1;39mArbitrary…s File System Automount Point[0m. [ 11.797091] systemd[1]: Reached target Local Encrypted Volumes. [[0;32m OK [0m] Reached target [0;1;39mLocal Encrypted Volumes[0m. [ 11.813022] systemd[1]: Reached target Paths. [[0;32m OK [0m] Reached target [0;1;39mPaths[0m. [ 11.823988] systemd[1]: Reached target Remote File Systems. [[0;32m OK [0m] Reached target [0;1;39mRemote File Systems[0m. [ 11.839983] systemd[1]: Reached target Slices. [[0;32m OK [0m] Reached target [0;1;39mSlices[0m. [ 11.850996] systemd[1]: Reached target Swap. [[0;32m OK [0m] Reached target [0;1;39mSwap[0m. [ 11.862297] systemd[1]: Listening on initctl Compatibility Named Pipe. [[0;32m OK [0m] Listening on [0;1;39minitctl Compatibility Named Pipe[0m. [ 11.880000] systemd[1]: Listening on Journal Audit Socket. [[0;32m OK [0m] Listening on [0;1;39mJournal Audit Socket[0m. [ 11.896984] systemd[1]: Listening on Journal Socket (/dev/log). [[0;32m OK [0m] Listening on [0;1;39mJournal Socket (/dev/log)[0m. [ 11.913497] systemd[1]: Listening on Journal Socket. [[0;32m OK [0m] Listening on [0;1;39mJournal Socket[0m. [ 11.928982] systemd[1]: Listening on Network Service Netlink Socket. [[0;32m OK [0m] Listening on [0;1;39mNetwork Service Netlink Socket[0m. [ 11.947638] systemd[1]: Listening on udev Control Socket. [[0;32m OK [0m] Listening on [0;1;39mudev Control Socket[0m. [ 11.963393] systemd[1]: Listening on udev Kernel Socket. [[0;32m OK [0m] Listening on [0;1;39mudev Kernel Socket[0m. [ 11.980909] systemd[1]: Mounting Huge Pages File System... Mounting [0;1;39mHuge Pages File System[0m... [ 11.997662] systemd[1]: Mounting POSIX Message Queue File System... Mounting [0;1;39mPOSIX Message Queue File System[0m... [ 12.016709] systemd[1]: Mounting Kernel Debug File System... Mounting [0;1;39mKernel Debug File System[0m... [ 12.033567] systemd[1]: Mounting Kernel Trace File System... Mounting [0;1;39mKernel Trace File System[0m... [ 12.053899] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting [0;1;39mCreate list of st…odes for the current kernel[0m... [ 12.074486] systemd[1]: Starting Load Kernel Module configfs... Starting [0;1;39mLoad Kernel Module configfs[0m... [ 12.091874] systemd[1]: Starting Load Kernel Module drm... Starting [0;1;39mLoad Kernel Module drm[0m... [ 12.108995] systemd[1]: Starting Load Kernel Module fuse... Starting [0;1;39mLoad Kernel Module fuse[0m... [ 12.127285] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. [ 12.142479] systemd[1]: Starting Journal Service... Starting [0;1;39mJournal Service[0m... [ 12.168975] fuse: init (API version 7.32) [ 12.170901] systemd[1]: Starting Load Kernel Modules... Starting [0;1;39mLoad Kernel Modules[0m... [ 12.189427] systemd[1]: Starting Remount Root and Kernel File Systems... Starting [0;1;39mRemount Root and Kernel File Systems[0m... [ 12.207656] systemd[1]: Starting Coldplug All udev Devices... Starting [0;1;39mColdplug All udev Devices[0m... [ 12.226145] systemd[1]: Mounted Huge Pages File System. [[0;32m OK [0m] Mounted [0;1;39mHuge Pages File System[0m. [ 12.241222] systemd[1]: Mounted POSIX Message Queue File System. [[0;32m OK [0m] Mounted [0;1;39mPOSIX Message Queue File System[0m. [ 12.258098] systemd[1]: Mounted Kernel Debug File System. [[0;32m OK [0m] Mounted [0;1;39mKernel Debug File System[0m. [ 12.274056] systemd[1]: Mounted Kernel Trace File System. [[0;32m OK [0m] Mounted [0;1;39mKernel Trace File System[0m. [ 12.291151] systemd[1]: Finished Create list of static device nodes for the current kernel. [[0;32m OK [0m] Finished [0;1;39mCreate list of st… nodes for the current kernel[0m. [ 12.314766] systemd[1]: modprobe@configfs.service: Succeeded. [ 12.322058] systemd[1]: Finished Load Kernel Module configfs. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module configfs[0m. [ 12.339883] systemd[1]: modprobe@drm.service: Succeeded. [ 12.346693] systemd[1]: Finished Load Kernel Module drm. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module drm[0m. [ 12.362095] systemd[1]: Started Journal Service. [[0;32m OK [0m] Started [0;1;39mJournal Service[0m. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module fuse[0m. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Modules[0m. [[0;32m OK [0m] Finished [0;1;39mRemount Root and Kernel File Systems[0m. Mounting [0;1;39mFUSE Control File System[0m... Mounting [0;1;39mKernel Configuration File System[0m... Starting [0;1;39mFlush Journal to Persistent Storage[0m... Starting [0;1;39mLoad/Save Random Seed[0m... Starting [0;1;39mApply Kernel Variables[0m... Starting [0;1;39mCreate System Users[0m... [ 12.467366] systemd-journald[195]: Received client request to flush runtime journal. [[0;32m OK [0m] Mounted [0;1;39mFUSE Control File System[0m. [[0;32m OK [0m] Mounted [0;1;39mKernel Configuration File System[0m. [[0;32m OK [0m] Finished [0;1;39mLoad/Save Random Seed[0m. [[0;32m OK [0m] Finished [0;1;39mApply Kernel Variables[0m. [[0;32m OK [0m] Finished [0;1;39mColdplug All udev Devices[0m. [[0;32m OK [0m] Finished [0;1;39mCreate System Users[0m. [[0;32m OK [0m] Finished [0;1;39mFlush Journal to Persistent Storage[0m. Starting [0;1;39mCreate Static Device Nodes in /dev[0m... [ 14.040597] systemd-tmpfile (207) used greatest stack depth: 12528 bytes left [[0;32m OK [0m] Finished [0;1;39mCreate Static Device Nodes in /dev[0m. [[0;32m OK [0m] Reached target [0;1;39mLocal File Systems (Pre)[0m. [[0;32m OK [0m] Reached target [0;1;39mLocal File Systems[0m. Starting [0;1;39mCreate Volatile Files and Directories[0m... Starting [0;1;39mRule-based Manage…for Device Events and Files[0m... [[0;32m OK [0m] Started [0;1;39mRule-based Manager for Device Events and Files[0m. Starting [0;1;39mNetwork Service[0m... [[0;32m OK [0m] Finished [0;1;39mCreate Volatile Files and Directories[0m. Starting [0;1;39mNetwork Time Synchronization[0m... Starting [0;1;39mUpdate UTMP about System Boot/Shutdown[0m... [[0;32m OK [0m] Finished [0;1;39mUpdate UTMP about System Boot/Shutdown[0m. [[0;32m OK [0m] Found device [0;1;39mSunrise Point-LP Serial IO UART Controller[0m. [[0;32m OK [0m] Created slice [0;1;39msystem-systemd\x2dbacklight.slice[0m. [[0;32m OK [0m] Listening on [0;1;39mLoad/Save RF …itch Status /dev/rfkill Watch[0m. Starting [0;1;39mLoad/Save Screen …f backlight:intel_backlight[0m... [[0;32m OK [0m] Started [0;1;39mNetwork Time Synchronization[0m. [[0;32m OK [0m] Finished [0;1;39mLoad/Save Screen … of backlight:intel_backlight[0m. [[0;32m OK [0m] Reached target [0;1;39mSystem Initialization[0m. [[0;32m OK [0m] Started [0;1;39mDaily Cleanup of Temporary Directories[0m. [[0;32m OK [0m] Reached target [0;1;39mSystem Time Set[0m. [[0;32m OK [0m] Reached target [0;1;39mSystem Time Synchronized[0m. [[0;32m OK [0m] Started [0;1;39mDaily apt download activities[0m. [[0;32m OK [0m] Started [0;1;39mDaily apt upgrade and clean activities[0m. [[0;32m OK [0m] Started [0;1;39mPeriodic ext4 Onli…ata Check for All Filesystems[0m. [[0;32m OK [0m] Started [0;1;39mDiscard unused blocks once a week[0m. [[0;32m OK [0m] Reached target [0;1;39mTimers[0m. [[0;32m OK [0m] Listening on [0;1;39mD-Bus System Message Bus Socket[0m. [[0;32m OK [0m] Reached target [0;1;39mSockets[0m. [[0;32m OK [0m] Reached target [0;1;39mBasic System[0m. [[0;32m OK [0m] Started [0;1;39mD-Bus System Message Bus[0m. Starting [0;1;39mRemove Stale Onli…t4 Metadata Check Snapshots[0m... Starting [0;1;39mUser Login Management[0m... [[0;32m OK [0m] Started [0;1;39mNetwork Service[0m. Starting [0;1;39mNetwork Name Resolution[0m... [[0;32m OK [0m] Finished [0;1;39mRemove Stale Onli…ext4 Metadata Check Snapshots[0m. [[0;32m OK [0m] Started [0;1;39mUser Login Management[0m. [[0;32m OK [0m] Started [0;1;39mNetwork Name Resolution[0m. [[0;32m OK [0m] Reached target [0;1;39mNetwork[0m. [[0;32m OK [0m] Reached target [0;1;39mHost and Network Name Lookups[0m. Starting [0;1;39mPermit User Sessions[0m... [[0;32m OK [0m] Finished [0;1;39mPermit User Sessions[0m. [[0;32m OK [0m] Started [0;1;39mGetty on tty1[0m. [[0;32m OK [0m] Started [0;1;39mSerial Getty on ttyS0[0m. [[0;32m OK [0m] Reached target [0;1;39mLogin Prompts[0m. [[0;32m OK [0m] Reached target [0;1;39mMulti-User System[0m. [[0;32m OK [0m] Reached target [0;1;39mGraphical Interface[0m. Starting [0;1;39mUpdate UTMP about System Runlevel Changes[0m... [[0;32m OK [0m] Finished [0;1;39mUpdate UTMP about System Runlevel Changes[0m. Debian GNU/Linux 11 debian-bullseye-amd64 ttyS0 debian-bullseye-amd64 login: root (automatic login) Linux debian-bullseye-amd64 5.10.150-cip18 #1 SMP Wed Oct 26 17:15:56 UTC 2022 x86_64 The programs included with the Debian GNU/Linux system are free software; the exact distribution terms for each program are described in the individual files in /usr/share/doc/*/copyright. Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent permitted by applicable law. / # / #export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/7729356/extract-nfsrootfs-5mavvmp4' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/7729356/extract-nfsrootfs-5mavvmp4' / # 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-7729356/environment . /lava-7729356/environment / # /lava-7729356/bin/lava-test-runner /lava-7729356/0 /lava-7729356/bin/lava-test-runner /lava-7729356/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-7729356/0/tests/0_timesync-off ++ cat uuid + UUID=7729356_1.5.2.3.1 + set +x + systemctl stop systemd-timesyncd + set +x + export TESTRUN_ID=1_kselftest-lkdtm + TESTRUN_ID=1_kselftest-lkdtm + cd /lava-7729356/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=7729356_1.5.2.3.5 + set +x + cd ./automated/linux/kselftest/ + ./kselftest.sh -c lkdtm -T '' -t kselftest_armhf.tar.gz -s false -u http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.147-cip18-451-g87ba4bc77ca06/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/ INFO: Generating a skipfile based on /lava-7729356/0/tests/1_kselftest-lkdtm/automated/linux/kselftest/skipfile-lkft.yaml INFO: Using the following generated skipfile contents (until EOF): breakpoints:breakpoint_test breakpoints:step_after_suspend_test ftrace:ftracetest net:rtnetlink.sh net:tls netfilter:bridge_brouter.sh netfilter:nft_flowtable.sh netfilter:nft_trans_stress.sh pidfd:pidfd_wait INFO: EOF INFO: Installing sed perl wget xz-utils iproute2 Hit:1 http://deb.debian.org/debian bullseye InRelease Reading package lists... Reading package lists... Building dependency tree... Reading state information... iproute2 is already the newest version (5.10.0-4). perl is already the newest version (5.32.1-4+deb11u2). sed is already the newest version (4.7-1). wget is already the newest version (1.21-1+deb11u1). xz-utils is already the newest version (5.2.5-2.1~deb11u1). 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. --2022-10-26 18:04:25-- http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.147-cip18-451-g87ba4bc77ca06/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: 3539616 (3.4M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 1%[ ] 47.81K 170KB/s kselftest.tar.xz 6%[> ] 216.08K 382KB/s kselftest.tar.xz 22%[===> ] 790.19K 881KB/s kselftest.tar.xz 55%[==========> ] 1.88M 1.57MB/s kselftest.tar.xz 83%[===============> ] 2.83M 1.99MB/s kselftest.tar.xz 100%[===================>] 3.38M 2.12MB/s in 1.6s 2022-10-26 18:04:28 (2.12 MB/s) - 'kselftest.tar.xz' saved [3539616/3539616] 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 ======================================== [ 48.089190] kselftest: Running tests in lkdtm TAP version 13 1..70 # selftests: lkdtm: PANIC.sh # Skipping PANIC: crashes entire system ok 1 selftests: lkdtm: PANIC.sh # SKIP # selftests: lkdtm: BUG.sh [ 48.261316] lkdtm: Performing direct entry BUG [ 48.266376] ------------[ cut here ]------------ [ 48.271562] kernel BUG at drivers/misc/lkdtm/bugs.c:76! [ 48.277431] invalid opcode: 0000 [#1] SMP PTI [ 48.282296] CPU: 1 PID: 725 Comm: cat Tainted: G W 5.10.150-cip18 #1 [ 48.290847] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 48.297643] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 48.302025] Code: 89 ff e8 ee b1 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 50 d4 92 02 [ 48.322995] RSP: 0018:ffffa5c24146fe60 EFLAGS: 00010286 [ 48.328828] RAX: ffffffffb1edf0c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 48.336811] RDX: 0000000000000000 RSI: ffff8bb83ac9bf70 RDI: ffffffffb2b9b290 [ 48.344780] RBP: ffffffffb2fddb28 R08: 0000000000000001 R09: 0000000000000001 [ 48.352758] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 48.360725] R13: ffffa5c24146ff10 R14: ffffa5c24146ff10 R15: ffff8bb7c3f8e000 [ 48.368695] FS: 00007fa34f773580(0000) GS:ffff8bb83ac80000(0000) knlGS:0000000000000000 [ 48.377723] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.384139] CR2: 00007fa34f57c000 CR3: 000000010277c001 CR4: 00000000003706e0 [ 48.392097] Call Trace: [ 48.394825] direct_entry.cold+0x2c/0x38 [ 48.399203] full_proxy_write+0x53/0x80 [ 48.403485] vfs_write+0xe7/0x3a0 [ 48.407182] ksys_write+0x68/0xf0 [ 48.410880] do_syscall_64+0x30/0x40 [ 48.414869] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 48.420508] RIP: 0033:0x7fa34f6898f3 [ 48.424495] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 48.445473] RSP: 002b:00007fff48606b98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 48.453917] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fa34f6898f3 [ 48.461886] RDX: 0000000000000004 RSI: 00007fa34f57c000 RDI: 0000000000000001 [ 48.469853] RBP: 00007fa34f57c000 R08: 00007fa34f57b010 R09: 0000000000000000 [ 48.477820] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 48.485805] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 48.493778] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 48.520238] ---[ end trace 77b35145f13bafaf ]--- [ 48.525427] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 48.529813] Code: 89 ff e8 ee b1 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 50 d4 92 02 [ 48.550830] RSP: 0018:ffffa5c24146fe60 EFLAGS: 00010286 [ 48.556698] RAX: ffffffffb1edf0c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 48.564723] RDX: 0000000000000000 RSI: ffff8bb83ac9bf70 RDI: ffffffffb2b9b290 [ 48.572711] RBP: ffffffffb2fddb28 R08: 0000000000000001 R09: 0000000000000001 [ 48.580714] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 48.588718] R13: ffffa5c24146ff10 R14: ffffa5c24146ff10 R15: ffff8bb7c3f8e000 [ 48.596724] FS: 00007fa34f773580(0000) GS:ffff8bb83ac80000(0000) knlGS:0000000000000000 [ 48.605811] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.612261] CR2: 00007fa34f57c000 CR3: 000000010277c001 CR4: 00000000003706e0 # Segmentation fault # [ 48.261316] lkdtm: Performing direct entry BUG # [ 48.266376] ------------[ cut here ]------------ # [ 48.271562] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 48.277431] invalid opcode: 0000 [#1] SMP PTI # [ 48.282296] CPU: 1 PID: 725 Comm: cat Tainted: G W 5.10.150-cip18 #1 # [ 48.290847] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 48.297643] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 48.302025] Code: 89 ff e8 ee b1 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 50 d4 92 [ 48.691335] lkdtm: Performing direct entry WARNING 02 # [ 48.322995] RSP: 0018:ffffa5c24146fe60 EFLAGS: 00010286[ 48.700838] ------------[ cut here ]------------ # [ 48.328828] RAX: ffffffffb1edf0c0 RBX: 0000000000000001 R[ 48.712226] WARNING: CPU: 0 PID: 761 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 CX: 0000000000000000 # [ 48.336811] RDX: 0000000000000000 RSI[ 48.727860] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify : ffff8bb83ac9bf70 RDI: ffffffffb2b9b290 # [ 48.344780] RBP: [ 48.760505] CPU: 0 PID: 761 Comm: cat Tainted: G D W 5.10.150-cip18 #1 ffffffffb2fddb28 R08: 0000000000000001 R09: 0000000000000001 # [ 48.775289] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 48.352758] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: [ 48.788317] RIP: 0010:lkdtm_WARNING+0x13/0x20 0000000000000004 # [ 48.360725] R13: ffffa5c24146ff10 R14: ff[ 48.799409] 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 50 d4 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 31 d4 ffa5c24146ff10 R15: ffff8bb7c3f8e000 # [ 48.368695] FS: 0000[ 48.826647] RSP: 0018:ffffa5c2414e7e60 EFLAGS: 00010202 7fa34f773580(0000) GS:ffff8bb83ac80000(0000) knlGS:0000000000000[ 48.838672] RAX: ffffffffb1edf0d0 RBX: 0000000000000002 RCX: 0000000000000000 000 # [ 48.377723] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008[ 48.852894] RDX: 0000000000000000 RSI: ffff8bb83ac1bf70 RDI: ffffffffb2b9b2a0 0050033 # [ 48.384139] CR2: 00007fa34f57c000 CR3: 00000001027[ 48.867132] RBP: ffffffffb2f8259f R08: 0000000000000000 R09: 0000000000000000 7c001 CR4: 00000000003706e0 # [ 48.392097] Call Trace: # [ [ 48.881272] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 48.394825] direct_entry.cold+0x2c/0x38 # [ 48.399203] full[ 48.895455] R13: ffffa5c2414e7f10 R14: ffffa5c2414e7f10 R15: ffff8bb7c57b0000 _proxy_write+0x53/0x80 # [ 48.403485] vfs_write+0xe7/0x3a0 [ 48.909670] FS: 00007efc8c503580(0000) GS:ffff8bb83ac00000(0000) knlGS:0000000000000000 # [ 48.407182] ksys_write+0x68/0xf0 # [ 48.410880] do_sys[ 48.924902] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 call_64+0x30/0x40 # [ 48.414869] entry_SYSCALL_64_after_hwfr[ 48.937566] CR2: 00007efc8c30c000 CR3: 0000000104956003 CR4: 00000000003706f0 ame+0x61/0xc6 # [ 48.420508] RIP: 0033:0x7fa34f6898f3 # [ [ 48.951754] Call Trace: 48.424495] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff[ 48.960716] direct_entry.cold+0x2c/0x38 ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 [ 48.971301] full_proxy_write+0x53/0x80 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec[ 48.981920] vfs_write+0xe7/0x3a0 28 48 89 54 24 18 # [ 48.445473] RSP: 002b:00007fff48606b98 [ 48.991757] ksys_write+0x68/0xf0 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 48.453917] RA[ 49.001682] do_syscall_64+0x30/0x40 X: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fa34f6898f3[ 49.011857] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 48.461886] RDX: 0000000000000004 RSI: 00007fa34f57c000 RD[ 49.023766] RIP: 0033:0x7efc8c4198f3 I: 0000000000000001 # [ 48.469853] RBP: 00007fa34f57c000 R08:[ 49.033927] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 00007fa34f57b010 R09: 0000000000000000 # [ 48.477820] R10: f[ 49.061140] RSP: 002b:00007fffd05a4d58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 ffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [[ 49.075856] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007efc8c4198f3 48.485805] R13: 0000000000000001 R14: 0000000000020000 R15: 0[ 49.090081] RDX: 0000000000000008 RSI: 00007efc8c30c000 RDI: 0000000000000001 000000000020000 # [ 48.493778] Modules linked in: fuse ip_tab[ 49.104227] RBP: 00007efc8c30c000 R08: 00007efc8c30b010 R09: 0000000000000000 les cros_ec_sensors cros_ec_sensors_core industrialio_triggered_[ 49.118396] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cro[ 49.132568] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 s_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_ther[ 49.146777] irq event stamp: 0 mal cros_ec_dev cros_usbpd_notify # [ 48.520238] ---[ end tra[ 49.156403] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ce 77b35145f13bafaf ]--- # [ 48.525427] RIP: 0010:lkdtm_BUG+0[ 49.169619] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 x5/0x10 # [ 48.529813] Code: 89 ff e8 ee b1 a3 ff 48 c7 c0 ea[ 49.184964] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 [ 49.200301] softirqs last disabled at (0): [<0000000000000000>] 0x0 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00[ 49.213521] ---[ end trace 77b35145f13bafb0 ]--- 0f 1f 44 00 00 83 05 50 d4 92 02 # [ 48.550830] RSP: 0018:ffffa5c24146fe60 EFLAGS: 00010286 # [ 48.556698] RAX: ffffffffb1edf0c0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 48.564723] RDX: 0000000000000000 RSI: ffff8bb83ac9bf70 RDI: ffffffffb2b9b290 # [ 48.572711] RBP: ffffffffb2fddb28 R08: 0000000000000001 R09: 0000000000000001 # [ 48.580714] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 48.588718] R13: ffffa5c24146ff10 R14: ffffa5c24146ff10 R15: ffff8bb7c3f8e000 # [ 48.596724] FS: 00007fa34f773580(0000) GS:ffff8bb83ac80000(0000) knlGS:0000000000000000 # [ 48.605811] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 48.612261] CR2: 00007fa34f57c000 CR3: 000000010277c001 CR4: 00000000003706e0 # BUG: saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh # [ 48.691335] lkdtm: Performing direct entry WARNING # [ 48.700838] ------------[ cut here ]---[ 49.313261] lkdtm: Performing direct entry WARNING_MESSAGE --------- # [ 48.712226] WARNING: CPU: 0 PID: 761 at drivers/[ 49.324269] ------------[ cut here ]------------ misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 # [ 48.727860] M[ 49.335673] Warning message trigger count: 2 odules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors[ 49.346662] WARNING: CPU: 0 PID: 796 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 _core industrialio_triggered_buffer kfifo_buf industrialio cros_[ 49.363065] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_e[ 49.395729] CPU: 0 PID: 796 Comm: cat Tainted: G D W 5.10.150-cip18 #1 c_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 49.410480] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 48.760505] CPU: 0 PID: 761 Comm: cat Tainted: G D W [ 49.423508] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 5.10.150-cip18 #1 # [ 48.775289] Hardware name: Google[ 49.435384] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 31 d4 92 02 48 c7 c7 00 2b f8 b2 8d 70 01 89 35 21 d4 92 02 e8 fb 36 63 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 Rammus/Rammus, BIOS 09/04/2020 # [ 48.788317] RIP: 0010:lkd[ 49.462590] RSP: 0018:ffffa5c241567e60 EFLAGS: 00010286 tm_WARNING+0x13/0x20 # [ 48.799409] Code: c0 f4 ff ff ff eb c[ 49.474663] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 9 0f 1f 44 00 00 0f 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00[ 49.488848] RDX: ffff8bb83ac2c660 RSI: ffff8bb83ac1bf70 RDI: ffff8bb83ac1bf70 83 05 50 d4 92 02 01 75 05 c3 cc cc cc cc <0f> 0b c3 cc cc cc c[ 49.503075] RBP: ffffffffb2f825a7 R08: 0000000000000000 R09: 0000000000000000 c 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 31 d4 # [ 48.826647][ 49.517220] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 RSP: 0018:ffffa5c2414e7e60 EFLAGS: 00010202 # [ 48.838672] R[ 49.531461] R13: ffffa5c241567f10 R14: ffffa5c241567f10 R15: ffff8bb7c55a4000 AX: ffffffffb1edf0d0 RBX: 0000000000000002 RCX: 0000000000000000[ 49.545658] FS: 00007f5c90c3e580(0000) GS:ffff8bb83ac00000(0000) knlGS:0000000000000000 # [ 48.852894] RDX: 0000000000000000 RSI: ffff8bb83ac1bf70 R[ 49.560901] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 DI: ffffffffb2b9b2a0 # [ 48.867132] RBP: ffffffffb2f8259f R08[ 49.573559] CR2: 00007f5c90a47000 CR3: 0000000104960004 CR4: 00000000003706f0 : 0000000000000000 R09: 0000000000000000 # [ 48.881272] R10: [ 49.587688] Call Trace: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 # [ 49.596669] direct_entry.cold+0x2c/0x38 [ 48.895455] R13: ffffa5c2414e7f10 R14: ffffa5c2414e7f10 R15: [ 49.607258] full_proxy_write+0x53/0x80 ffff8bb7c57b0000 # [ 48.909670] FS: 00007efc8c503580(0000) G[ 49.617804] vfs_write+0xe7/0x3a0 S:ffff8bb83ac00000(0000) knlGS:0000000000000000 # [ 48.924902[ 49.627733] ksys_write+0x68/0xf0 ] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 48.93[ 49.637725] do_syscall_64+0x30/0x40 7566] CR2: 00007efc8c30c000 CR3: 0000000104956003 CR4: 000000000[ 49.647855] entry_SYSCALL_64_after_hwframe+0x61/0xc6 03706f0 # [ 48.951754] Call Trace: # [ 48.960716] direct_[ 49.659728] RIP: 0033:0x7f5c90b548f3 entry.cold+0x2c/0x38 # [ 48.971301] full_proxy_write+0x53/0x[ 49.669947] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 80 # [ 48.981920] vfs_write+0xe7/0x3a0 # [ 48.991757] ks[ 49.697135] RSP: 002b:00007ffdb99569b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 ys_write+0x68/0xf0 # [ 49.001682] do_syscall_64+0x30/0x40 #[ 49.711799] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f5c90b548f3 [ 49.011857] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ [ 49.725988] RDX: 0000000000000010 RSI: 00007f5c90a47000 RDI: 0000000000000001 49.023766] RIP: 0033:0x7efc8c4198f3 # [ 49.033927] Code: 8b [ 49.740167] RBP: 00007f5c90a47000 R08: 00007f5c90a46010 R09: 0000000000000000 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 0[ 49.754344] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 0 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> [ 49.768546] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 49.782779] irq event stamp: 0 # [ 49.061140] RSP: 002b:00007fffd05a4d58 EFLAGS: 00000246 ORI[ 49.792416] hardirqs last enabled at (0): [<0000000000000000>] 0x0 G_RAX: 0000000000000001 # [ 49.075856] RAX: ffffffffffffffda [ 49.805570] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 RBX: 0000000000000008 RCX: 00007efc8c4198f3 # [ 49.090081] RD[ 49.820915] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 X: 0000000000000008 RSI: 00007efc8c30c000 RDI: 0000000000000001[ 49.836268] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 49.104227] RBP: 00007efc8c30c000 R08: 00007efc8c30b010 R0[ 49.849473] ---[ end trace 77b35145f13bafb1 ]--- 9: 0000000000000000 # [ 49.118396] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 49.132568] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 49.146777] irq event stamp: 0 # [ 49.156403] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 49.169619] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 49.184964] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 49.200301] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 49.213521] ---[ end trace 77b35145f13bafb0 ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ 49.313261] lkdtm: Performing direct entry WARNING_MESSAGE # [ 49.324269] ------------[ cut here ]------------ # [ 49.335673] Warning message trigger count: 2 # [ 49.346662] WARNING: CPU: 0 PID: 796 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 49.363065] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_[ 49.962034] lkdtm: Performing direct entry EXCEPTION [ 49.972085] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 49.979878] #PF: supervisor write access in kernel mode [ 49.985722] #PF: error_code(0x0002) - not-present page [ 49.991461] PGD 0 P4D 0 [ 49.994285] Oops: 0002 [#2] SMP PTI [ 49.998168] CPU: 1 PID: 828 Comm: cat Tainted: G D W 5.10.150-cip18 #1 [ 50.006711] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 50.013518] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 [ 50.018479] Code: 48 c7 c7 00 2b f8 b2 8d 70 01 89 35 21 d4 92 02 e8 fb 36 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 [ 50.039456] RSP: 0018:ffffa5c2415d7e60 EFLAGS: 00010282 [ 50.045281] RAX: ffffffffb1edf120 RBX: 0000000000000004 RCX: 0000000000000000 [ 50.053252] RDX: 0000000000000000 RSI: ffff8bb83ac9bf70 RDI: ffffffffb2b9b2c0 [ 50.061222] RBP: ffffffffb2eb79af R08: 0000000000000000 R09: 0000000000000000 [ 50.069191] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 50.077161] R13: ffffa5c2415d7f10 R14: ffffa5c2415d7f10 R15: ffff8bb7c576b000 [ 50.085130] FS: 00007fd155f15580(0000) GS:ffff8bb83ac80000(0000) knlGS:0000000000000000 [ 50.094168] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.100585] CR2: 0000000000000000 CR3: 0000000104960006 CR4: 00000000003706e0 [ 50.108555] Call Trace: [ 50.111282] direct_entry.cold+0x2c/0x38 [ 50.115662] full_proxy_write+0x53/0x80 [ 50.119944] vfs_write+0xe7/0x3a0 [ 50.123641] ksys_write+0x68/0xf0 [ 50.127332] do_syscall_64+0x30/0x40 [ 50.131321] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 50.136961] RIP: 0033:0x7fd155e2b8f3 [ 50.140949] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 50.161932] RSP: 002b:00007ffdc45f8808 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 50.170388] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fd155e2b8f3 [ 50.178357] RDX: 000000000000000a RSI: 00007fd155d1e000 RDI: 0000000000000001 [ 50.186328] RBP: 00007fd155d1e000 R08: 00007fd155d1d010 R09: 0000000000000000 [ 50.194297] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 50.202266] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 50.210239] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify core industrialio_triggered_buffer kfifo_buf industrialio cros_e[ 50.236701] CR2: 0000000000000000 [ 50.246612] ---[ end trace 77b35145f13bafb2 ]--- [ 50.251767] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 50.256143] Code: 89 ff e8 ee b1 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 50 d4 92 02 [ 50.277124] RSP: 0018:ffffa5c24146fe60 EFLAGS: 00010286 [ 50.282957] RAX: ffffffffb1edf0c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 50.290927] RDX: 0000000000000000 RSI: ffff8bb83ac9bf70 RDI: ffffffffb2b9b290 [ 50.298898] RBP: ffffffffb2fddb28 R08: 0000000000000001 R09: 0000000000000001 [ 50.306868] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 50.314838] R13: ffffa5c24146ff10 R14: ffffa5c24146ff10 R15: ffff8bb7c3f8e000 [ 50.322809] FS: 00007fd155f15580(0000) GS:ffff8bb83ac80000(0000) knlGS:0000000000000000 [ 50.331848] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.338263] CR2: 0000000000000000 CR3: 0000000104960006 CR4: 00000000003706e0 [ 50.346232] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 50.356144] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 828, name: cat [ 50.364502] INFO: lockdep is turned off. [ 50.368869] irq event stamp: 0 [ 50.372276] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 50.379268] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 50.388404] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 50.397538] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 50.404538] CPU: 1 PID: 828 Comm: cat Tainted: G D W 5.10.150-cip18 #1 [ 50.413081] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 50.419886] Call Trace: [ 50.422614] dump_stack+0x77/0x9b [ 50.426313] ___might_sleep.cold+0xa6/0xb6 [ 50.430885] exit_signals+0x1c/0x2e0 [ 50.434865] do_exit+0xd5/0xb00 [ 50.438361] ? ksys_write+0x68/0xf0 [ 50.442254] rewind_stack_do_exit+0x17/0x20 [ 50.446923] RIP: 0033:0x7fd155e2b8f3 [ 50.450911] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 50.471894] RSP: 002b:00007ffdc45f8808 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 50.480349] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fd155e2b8f3 [ 50.488317] RDX: 000000000000000a RSI: 00007fd155d1e000 RDI: 0000000000000001 [ 50.496285] RBP: 00007fd155d1e000 R08: 00007fd155d1d010 R09: 0000000000000000 [ 50.504254] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 50.512224] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 c_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 49.395729] CPU: 0 PID: 796 Comm: cat Tainted: G D W 5.10.150-cip18 #1 # [ 49.410480] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 49.423508] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 49.435384] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 31 d4 92 02 48 c7 c7 00 2b f8 b2 8d 70 01 89 35 21 d4 92 02 e8 fb 36 63 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 # [ 49.462590] RSP: 0018:ffffa5c241567e60 EFLAGS: 00010286 # [ 49.474663] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 # [ 49.488848] RDX: ffff8bb83ac2c660 RSI: ffff8bb83ac1bf70 RDI: ffff8bb83ac1bf70 # [ 49.503075] RBP: ffffffffb2f825a7 R08: 0000000000000000 R09: 0000000000000000 # [ 49.517220] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 # [ 49.531461] R13: ffffa5c241567f10 R14: ffffa5c241567f10 R15: ffff8bb7c55a4000 # [ 49.545658] FS: 00007f5c90c3e580(0000) GS:ffff8bb83ac00000(0000) knlGS:0000000000000000 # [ 49.560901] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 49.573559] CR2: 00007f5c90a47000 CR3: 0000000104960004 CR4: 00000000003706f0 # [ 49.587688] Call Trace: # [ 49.596669] direct_entry.cold+0x2c/0x38 # [ 49.607258] full_proxy_write+0x53/0x80 # [ 49.617804] vfs_write+0xe7/0x3a0 # [ 49.627733] ksys_write+0x68/0xf0 # [ 49.637725] do_syscall_64+0x30/0x40 # [ 49.647855] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 49.659728] RIP: 0033:0x7f5c90b548f3 # [ 49.669947] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 49.697135] RSP: 002b:00007ffdb99569b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 49.711799] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f5c90b548f3 # [ 49.725988] RDX: 0000000000000010 RSI: 00007f5c90a47000 RDI: 0000000000000001 # [ 49.740167] RBP: 00007f5c90a47000 R08: 00007f5c90a46010 R09: 0000000000000000 # [ 49.754344] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 49.768546] R13: 0000000000000001 R14: 0000000000020000 R15: 00000000000200[ 50.749183] lkdtm: Performing direct entry CORRUPT_LIST_ADD [ 50.756467] lkdtm: attempting good list addition 00 # [ 49.782779] irq event stamp: 0 # [ 49.792416] hardir[ 50.761660] lkdtm: attempting corrupted list addition [ 50.773489] lkdtm: list_add() corruption not detected! qs last enabled at (0): [<0000000000000000>] 0x0 # [ 49.805570] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 49.820915] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 49.836268] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 49.849473] ---[ end trace 77b35145f13bafb1 ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCEPTION.sh # Killed # [ 49.962034] lkdtm: Performing direct entry EXCEPTION # [ 49.972085] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 49.979878] #PF: supervisor write access in kernel mode # [ 49.985722] #PF: error_code(0x0002) - not-present page # [ 49.991461] PGD 0 P4D 0 # [ 49.994285] Oops: 0002 [#2] SMP PTI # [ 49.998168] CPU: 1 PID: 828 Comm: cat Tainted: G D W 5.10.150-cip18 #1 # [ 50.006711] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 50.013518] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 # [ 50.018479] Code: 48 c7 c7 00 2b f8 b2 8d 70 01 89 35 21 d4 92 02 e8 fb 36 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 # [ 50.039456] RSP: 0018:ffffa5c2415d7e60 EFLAGS: 00010282 # [ 50.045281] RAX: ffffffffb1edf120 RBX: 0000000000000004 RCX: 0000000000000000 # [ 50.053252] RDX: 0000000000000000 RSI: ffff8bb83ac9bf70 RDI: ffffffffb2b9b2c0 # [ 50.061222] RBP: ffffffffb2eb79af R08: 0000000000000000 R09: 0000000000000000 # [ 50.06[ 50.932327] lkdtm: Performing direct entry CORRUPT_LIST_DEL [ 50.940847] lkdtm: attempting good list removal [ 50.945913] lkdtm: attempting corrupted list removal [ 50.951462] lkdtm: list_del() corruption not detected! 9191] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 50.077161] R13: ffffa5c2415d7f10 R14: ffffa5c2415d7f10 R15: ffff8bb7c576b000 # [ 50.085130] FS: 00007fd155f15580(0000) GS:ffff8bb83ac80000(0000) knlGS:0000000000000000 # [ 50.094168] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 50.100585] CR2: 0000000000000000 CR3: 0000000104960006 CR4: 00000000003706e0 # [ 50.108555] Call Trace: # [ 50.111282] direct_entry.cold+0x2c/0x38 # [ 50.115662] full_proxy_write+0x53/0x80 # [ 50.119944] vfs_write+0xe7/0x3a0 # [ 50.123641] ksys_write+0x68/0xf0 # [ 50.127332] do_syscall_64+0x30/0x40 # [ 50.131321] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 50.136961] RIP: 0033:0x7fd155e2b8f3 # [ 50.140949] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 50.161932] RSP: 002b:00007ffdc45f8808 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 50.170388] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fd155e2b8f3 # [ 50.178357] RDX: 000000000000000a RSI: 00007fd155d1e000 RDI: 0000000000000001 # [ 50.186328] RBP: 00007fd155d1e000 R08: 00007fd155d1d010 R09: 0000000000000000 # [ 50.194297] R10: ffffffffff[ 51.086147] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING [ 51.094955] lkdtm: attempting bad read from page below current stack [ 51.102087] BUG: stack guard page was hit at 000000005ce3a3cd (stack is 000000001e13bd3c..000000002d6e0110) [ 51.113001] kernel stack overflow (page fault): 0000 [#3] SMP PTI fffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 50.202[ 51.119809] CPU: 1 PID: 1053 Comm: cat Tainted: G D W 5.10.150-cip18 #1 [ 51.134670] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 51.141478] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a [ 51.147990] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 a0 2e f8 b2 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 aa a0 fd ff 48 c7 c7 e0 2e f8 b2 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 90 a0 fd ff 0f 1f 44 [ 51.168974] RSP: 0018:ffffa5c241937e50 EFLAGS: 00010246 [ 51.174809] RAX: 0000000000000038 RBX: ffffa5c241934000 RCX: 0000000000000000 [ 51.182771] RDX: 0000000000000000 RSI: ffff8bb83ac9bf70 RDI: ffffffffb2f82ee0 [ 51.190754] RBP: ffffffffb2f8260a R08: 0000000000000000 R09: 0000000000000000 [ 51.198724] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 [ 51.206695] R13: ffffa5c241937f10 R14: ffffa5c241937f10 R15: ffff8bb7c57e8000 [ 51.214667] FS: 00007f797809f580(0000) GS:ffff8bb83ac80000(0000) knlGS:0000000000000000 [ 51.223698] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.230115] CR2: ffffa5c241933fff CR3: 00000001030c2004 CR4: 00000000003706e0 [ 51.238083] Call Trace: [ 51.240815] ? lkdtm_CORRUPT_LIST_DEL+0xe0/0xe0 [ 51.245874] direct_entry.cold+0x2c/0x38 [ 51.250253] full_proxy_write+0x53/0x80 [ 51.254533] vfs_write+0xe7/0x3a0 [ 51.258222] ksys_write+0x68/0xf0 [ 51.261920] do_syscall_64+0x30/0x40 [ 51.265909] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 51.271548] RIP: 0033:0x7f7977fb58f3 [ 51.275536] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 51.296520] RSP: 002b:00007fff8d2dcc08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 51.304966] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f7977fb58f3 [ 51.312936] RDX: 0000000000000019 RSI: 00007f7977ea8000 RDI: 0000000000000001 [ 51.320906] RBP: 00007f7977ea8000 R08: 00007f7977ea7010 R09: 0000000000000000 [ 51.328875] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 51.336845] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 266] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000[ 51.344819] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 51.377461] ---[ end trace 77b35145f13bafb3 ]--- [ 51.382617] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 51.386993] Code: 89 ff e8 ee b1 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 50 d4 92 02 [ 51.407976] RSP: 0018:ffffa5c24146fe60 EFLAGS: 00010286 [ 51.413811] RAX: ffffffffb1edf0c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 51.421780] RDX: 0000000000000000 RSI: ffff8bb83ac9bf70 RDI: ffffffffb2b9b290 [ 51.429754] RBP: ffffffffb2fddb28 R08: 0000000000000001 R09: 0000000000000001 [ 51.437725] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 51.445718] R13: ffffa5c24146ff10 R14: ffffa5c24146ff10 R15: ffff8bb7c3f8e000 [ 51.453680] FS: 00007f797809f580(0000) GS:ffff8bb83ac80000(0000) knlGS:0000000000000000 [ 51.462719] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.469136] CR2: ffffa5c241933fff CR3: 00000001030c2004 CR4: 00000000003706e0 [ 51.477107] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 51.487018] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1053, name: cat [ 51.495473] INFO: lockdep is turned off. [ 51.499847] irq event stamp: 0 [ 51.503252] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 51.510251] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 51.519387] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 51.528522] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 51.535522] CPU: 1 PID: 1053 Comm: cat Tainted: G D W 5.10.150-cip18 #1 [ 51.544165] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 51.550968] Call Trace: [ 51.553696] dump_stack+0x77/0x9b [ 51.557394] ___might_sleep.cold+0xa6/0xb6 [ 51.561966] exit_signals+0x1c/0x2e0 [ 51.565955] do_exit+0xd5/0xb00 [ 51.569459] ? ksys_write+0x68/0xf0 [ 51.573354] rewind_stack_do_exit+0x17/0x20 [ 51.578021] RIP: 0033:0x7f7977fb58f3 [ 51.582010] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 51.602996] RSP: 002b:00007fff8d2dcc08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 51.611453] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f7977fb58f3 [ 51.619422] RDX: 0000000000000019 RSI: 00007f7977ea8000 RDI: 0000000000000001 [ 51.627392] RBP: 00007f7977ea8000 R08: 00007f7977ea7010 R09: 0000000000000000 [ 51.635363] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 51.643334] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 020000 # [ 50.210239] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 50.236701] CR2: 0000000000000000 # [ 50.246612] ---[ end trace 77b35145f13bafb2 ]--- # [ 50.251767] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 50.256143] Code: 89 ff e8 ee b1 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 50 d4 92 02 # [ 50.277124] RSP: 0018:ffffa5c24146fe60 EFLAGS: 00010286 # [ 50.282957] RAX: ffffffffb1edf0c0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 50.290927] RDX: 0000000000000000 RSI: ffff8bb83ac9bf70 RDI: ffffffffb2b9b290 # [ 50.298898] RBP: ffffffffb2fddb28 R08: 0000000000000001 R09: 0000000000000001 # [ 50.306868] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 50.314838] R13: ffffa5c24146ff10 R14: ffffa5c24146ff10 R15: ffff8bb7c3f8e000 # [ 50.322809] FS: 00007fd155f15580(0000) GS:ffff8bb83ac80000(0000) knlGS:000000000000000[ 51.765029] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING [ 51.776745] lkdtm: attempting bad read from page above current stack [ 51.783911] BUG: stack guard page was hit at 00000000d88672b0 (stack is 0000000001b902e1..0000000014600307) 0 # [ 50.331848] CS: 0010 DS: 0000 ES: 0000 CR0: 00000000800[ 51.794809] kernel stack overflow (page fault): 0000 [#4] SMP PTI [ 51.807825] CPU: 1 PID: 1086 Comm: cat Tainted: G D W 5.10.150-cip18 #1 [ 51.816476] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 51.823276] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d 50033 # [ 50.338263] CR2: 0000000000000000 CR3: 0000000104960[ 51.829888] Code: a0 fd ff 0f 1f 44 00 00 53 48 c7 c7 18 2f f8 b2 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 70 a0 fd ff 48 c7 c7 58 2f f8 b2 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 53 a0 fd ff [ 51.857085] RSP: 0018:ffffa5c2419b7e50 EFLAGS: 00010246 [ 51.862920] RAX: 0000000000000038 RBX: ffffa5c2419b4000 RCX: 0000000000000000 [ 51.870890] RDX: 0000000000000000 RSI: ffff8bb83ac9bf70 RDI: ffffffffb2f82f58 [ 51.878858] RBP: ffffffffb2f82623 R08: 0000000000000000 R09: 0000000000000000 [ 51.886830] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a [ 51.894812] R13: ffffa5c2419b7f10 R14: ffffa5c2419b7f10 R15: ffff8bb7c4ebc000 [ 51.902783] FS: 00007f33cc421580(0000) GS:ffff8bb83ac80000(0000) knlGS:0000000000000000 [ 51.911813] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.918228] CR2: ffffa5c2419b8000 CR3: 0000000105614004 CR4: 00000000003706e0 [ 51.926197] Call Trace: [ 51.928924] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a [ 51.934773] direct_entry.cold+0x2c/0x38 [ 51.939184] full_proxy_write+0x53/0x80 [ 51.943466] vfs_write+0xe7/0x3a0 [ 51.947165] ksys_write+0x68/0xf0 [ 51.950863] do_syscall_64+0x30/0x40 [ 51.954852] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 51.960483] RIP: 0033:0x7f33cc3378f3 [ 51.964464] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 51.985449] RSP: 002b:00007ffdef883648 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 51.993905] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f33cc3378f3 [ 52.001874] RDX: 000000000000001a RSI: 00007f33cc22a000 RDI: 0000000000000001 [ 52.009844] RBP: 00007f33cc22a000 R08: 00007f33cc229010 R09: 0000000000000000 [ 52.017814] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 52.025785] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 006 CR4: 00000000003706e0 # [ 50.346232] BUG: sleeping functi[ 52.033763] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 52.066398] ---[ end trace 77b35145f13bafb4 ]--- [ 52.071553] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 52.075930] Code: 89 ff e8 ee b1 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 50 d4 92 02 [ 52.096913] RSP: 0018:ffffa5c24146fe60 EFLAGS: 00010286 [ 52.102761] RAX: ffffffffb1edf0c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 52.110753] RDX: 0000000000000000 RSI: ffff8bb83ac9bf70 RDI: ffffffffb2b9b290 [ 52.118723] RBP: ffffffffb2fddb28 R08: 0000000000000001 R09: 0000000000000001 [ 52.126717] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 52.134688] R13: ffffa5c24146ff10 R14: ffffa5c24146ff10 R15: ffff8bb7c3f8e000 [ 52.142659] FS: 00007f33cc421580(0000) GS:ffff8bb83ac80000(0000) knlGS:0000000000000000 [ 52.151696] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.158111] CR2: ffffa5c2419b8000 CR3: 0000000105614004 CR4: 00000000003706e0 on called from invalid context at include/linux/percpu-rwsem.h:49 # [ 50.356144] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 828, name: cat # [ 50.364502] INFO: lockdep is turned off. # [ 50.368869] irq event stamp: 0 # [ 50.372276] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 50.379268] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 50.388404] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 50.397538] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 50.404538] CPU: 1 PID: 828 Comm: cat Tainted: G D W 5.10.150-cip18 #1 # [ 50.413081] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 50.419886] Call Trace: # [ 50.422614] dump_stack+0x77/0x9b # [ 50.426313] ___might_sleep.cold+0xa6/0xb6 # [ 50.430885] exit_signals+0x1c/0x2e0 # [ 50.434865] do_exit+0xd5/0xb00 # [ 50.438361] ? ksys_write+0x68/0xf0 # [ 50.442254] rewind_stack_do_exit+0x17/0x20 # [ 50.446923] RIP: 0033:0x7fd155e2b8f3 # [ 50.450911] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff[ 52.272437] lkdtm: Performing direct entry UNSET_SMEP [ 52.283968] lkdtm: trying to clear SMEP normally [ 52.289135] ------------[ cut here ]------------ [ 52.294301] pinned CR4 bits changed: 0x100000!? [ 52.299388] WARNING: CPU: 1 PID: 1122 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60 eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 [ 52.309605] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 52.342243] CPU: 1 PID: 1122 Comm: cat Tainted: G D W 5.10.150-cip18 #1 [ 52.350922] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 52.357750] RIP: 0010:native_write_cr4+0x45/0x60 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48[ 52.362919] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d bc 90 e3 01 00 75 f2 48 c7 c7 f0 19 ec b2 c6 05 ac 90 e3 01 01 e8 a6 e0 e4 00 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 [ 52.390114] RSP: 0018:ffffa5c241a47e48 EFLAGS: 00010286 [ 52.395951] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 0000000000000000 [ 52.403925] RDX: ffff8bb83acac660 RSI: ffff8bb83ac9bf70 RDI: ffff8bb83ac9bf70 [ 52.411900] RBP: ffffffffb2f8263d R08: 0000000000000000 R09: 0000000000000000 [ 52.419872] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b 89 54 24 18 # [ 50.471894] RSP: 002b:00007ffdc45f8808 EFLAGS[ 52.427849] R13: ffffa5c241a47f10 R14: ffffa5c241a47f10 R15: ffff8bb7c605f000 : 00000246 ORIG_RAX: 0000000000000001 # [ 50.480349] RAX: fff[ 52.442038] FS: 00007ff7b5ef5580(0000) GS:ffff8bb83ac80000(0000) knlGS:0000000000000000 fffffffffffda RBX: 000000000000000a RCX: 00007fd155e2b8f3 # [ [ 52.457295] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.469935] CR2: 00007ff7b5cfe000 CR3: 0000000105614002 CR4: 00000000003706e0 [ 52.477940] Call Trace: [ 52.480674] lkdtm_UNSET_SMEP.cold+0x1d/0x103 [ 52.485574] direct_entry.cold+0x2c/0x38 [ 52.489987] full_proxy_write+0x53/0x80 [ 52.494303] vfs_write+0xe7/0x3a0 [ 52.498036] ksys_write+0x68/0xf0 [ 52.501771] do_syscall_64+0x30/0x40 [ 52.505781] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 52.511456] RIP: 0033:0x7ff7b5e0b8f3 50.488317] RDX: 000000000000000a RSI: 00007fd155d1e000 RDI: 000[ 52.515477] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 0000000000001 # [ 50.496285] RBP: 00007fd155d1e000 R08: 00007[ 52.542673] RSP: 002b:00007ffd33b1eeb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 52.557349] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007ff7b5e0b8f3 [ 52.565321] RDX: 000000000000000b RSI: 00007ff7b5cfe000 RDI: 0000000000000001 [ 52.573296] RBP: 00007ff7b5cfe000 R08: 00007ff7b5cfd010 R09: 0000000000000000 [ 52.581269] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 52.589245] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 52.597225] irq event stamp: 0 fd155d1d010 R09: 0000000000000000 # [ 50.504254] R10: fffffff[ 52.600662] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 52.613874] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 52.623015] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 52.632156] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 52.639160] ---[ end trace 77b35145f13bafb5 ]--- [ 52.644315] lkdtm: ok: SMEP did not get cleared [ 52.649376] lkdtm: trying to clear SMEP with call gadget [ 52.655311] lkdtm: ok: SMEP removal was reverted ffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 50.512224] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXCEPTION: saw 'call trace:': ok ok 5 selftests: lkdtm: EXCEPTION.sh # selftests: lkdtm: LOOP.sh # Skipping LOOP: Hangs the system ok 6 selftests: lkdtm: LOOP.sh # SKIP # selftests: lkdtm: EXHAUST_STACK.sh # Skipping EXHAUST_STACK: Corrupts memory on failure ok 7 selftests: lkdtm: EXHAUST_STACK.sh # SKIP # selftests: lkdtm: CORRUPT_STACK.sh # Skipping CORRUPT_STACK: Crashes entire system on success ok 8 selftests: lkdtm: CORRUPT_STACK.sh # SKIP # selftests: lkdtm: CORRUPT_STACK_STRONG.sh # Skipping CORRUPT_STACK_STRONG: Crashes entire system on success ok 9 selftests: lkdtm: CORRUPT_STACK_STRONG.sh # SKIP # selftests: lkdtm: CORRUPT_LIST_ADD.sh # [ 50.749183] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 50.756467] lkdtm: attempting good list addition # [ 50.761660] lkdtm: attempting corrupted list addition # [ 50.773489] lkdtm: list_add() corruption not detected! # CORRUPT_LIST_ADD: missing 'list_add[ 52.763475] lkdtm: Performing direct entry DOUBLE_FAULT [ 52.772104] lkdtm: XFAIL: this test is ia32-only corruption': [FAIL] not ok 10 selftests: lkdtm: CORRUPT_LIST_ADD.sh # exit=1 # selftests: lkdtm: CORRUPT_LIST_DEL.sh # [ 50.932327] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 50.940847] lkdtm: attempting good list removal # [ 50.945913] lkdtm: attempting corrupted list removal # [ 50.951462] 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 # [ 51.086147] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 51.094955] lkdtm: attempting bad read from page below current stack # [ 51.102087] BUG: stack guard page was hit at 000000005ce3a3cd (stack is 000000001e13bd3c..000000002d6e0110) # [ 51.113001] kernel stack overflow (page fault): 0000 [#3] SMP PTI # [ 51.119809] CPU: 1 PID: 1053 Comm: cat Tainted: G D W 5.10.150-cip18 #1 # [ 51.134670] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 51.141478] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a # [ 51.147990] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 a0 2e f8 b2 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 aa a0 fd ff 48 c7 c7 e0 2e f8 b2 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 90 a0 fd ff 0f 1f 44 # [ 51.168974] RSP: 0018:ffffa5c241937e50 EFLAGS: 00010246 # [ 51.174809] RAX: 0000000000000038 RBX: ffffa5c241934000 RCX: 0000000000000000 # [ 51.182771] RDX: 0000000000000000 RSI: ffff8bb83ac9[ 52.926335] lkdtm: Performing direct entry CORRUPT_PAC bf70 RDI: ffffffffb2f82ee0 # [ 51.190754] RBP: ffffffffb2f826[ 52.932452] lkdtm: XFAIL: this test is arm64-only 0a R08: 0000000000000000 R09: 0000000000000000 # [ 51.198724] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 # [ 51.206695] R13: ffffa5c241937f10 R14: ffffa5c241937f10 R15: ffff8bb7c57e8000 # [ 51.214667] FS: 00007f797809f580(0000) GS:ffff8bb83ac80000(0000) knlGS:0000000000000000 # [ 51.223698] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 51.230115] CR2: ffffa5c241933fff CR3: 00000001030c2004 CR4: 00000000003706e0 # [ 51.238083] Call Trace: # [ 51.240815] ? lkdtm_CORRUPT_LIST_DEL+0xe0/0xe0 # [ 51.245874] direct_entry.cold+0x2c/0x38 # [ 51.250253] full_proxy_write+0x53/0x80 # [ 51.254533] vfs_write+0xe7/0x3a0 # [ 51.258222] ksys_write+0x68/0xf0 # [ 51.261920] do_syscall_64+0x30/0x40 # [ 51.265909] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 51.271548] RIP: 0033:0x7f7977fb58f3 # [ 51.275536] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ [ 53.048771] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE [ 53.056975] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS 51.296520] RSP: 002b:00007fff8d2dcc08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 51.304966] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f7977fb58f3 # [ 51.312936] RDX: 0000000000000019 RSI: 00007f7977ea8000 RDI: 0000000000000001 # [ 51.320906] RBP: 00007f7977ea8000 R08: 00007f7977ea7010 R09: 0000000000000000 # [ 51.328875] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 51.336845] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 51.344819] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 51.377461] ---[ end trace 77b35145f13bafb3 ]--- # [ 51.382617] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 51.386993] Code: 89 ff e8 ee b1 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 50 d4 92 02 # [ 51.407976] RSP: 0018:ffffa5c24146fe60 EFLAGS: 00010286 # [ 51.413811] RAX: ffffffffb1edf0c0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 51.421780] RDX: 0000000000000000 RSI: ffff8bb83ac9bf70 RDI: ffffffffb2b9b290 # [ 51.429754] RBP: ffffffffb2fddb28 R08: 0000000000000001 R09: 0000000000000001 # [ 51.437725] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 51.445718] R13: ffffa5c24146ff10 R14: ffffa5c24146ff10 R15: ffff8bb7c3f8e000 # [ 51.453680] FS: 00007f797809f580(0000) GS:ffff8bb83ac80000(0000) knlGS:0000000000000000 # [ 51.462719] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 51.469136] CR2: ffffa5c241933fff CR3: 00000001030c2004 CR4: 00000000003706e0 # [ 51.477107] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 51.487018] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1053, name: cat # [ 51.495473] INFO: lockdep is turned off. # [ 51.499847] irq event stamp: 0 # [ 51.503252] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 51.510251] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 51.519387] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 51.528522] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 51.535522] CPU: 1 PID: 1053 Comm: cat Tainted: G D W 5.10.150-cip18 #1 # [ 51.544165] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 51.550968][ 53.315257] lkdtm: Performing direct entry READ_AFTER_FREE Call Trace: # [ 51.553696] dump_stack+0x77/0x9b # [ 51.5[ 53.325808] lkdtm: Value in memory before free: 12345678 57394] ___might_sleep.cold+0xa6/0xb6 # [ 51.561966] exit_si[ 53.337931] lkdtm: Attempting bad read from freed memory gnals+0x1c/0x2e0 # [ 51.565955] do_exit+0xd5/0xb00 # [ 51[ 53.350073] lkdtm: Memory was not poisoned .569459] ? ksys_write+0x68/0xf0 # [ 51.573354] rewind_stack_do_exit+0x17/0x20 # [ 51.578021] RIP: 0033:0x7f7977fb58f3 # [ 51.582010] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 51.602996] RSP: 002b:00007fff8d2dcc08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 51.611453] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007f7977fb58f3 # [ 51.619422] RDX: 0000000000000019 RSI: 00007f7977ea8000 RDI: 0000000000000001 # [ 51.627392] RBP: 00007f7977ea8000 R08: 00007f7977ea7010 R09: 0000000000000000 # [ 51.635363] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 51.643334] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # STACK_GUARD_PAGE_LEADING: saw 'call trace:': ok ok 12 selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh # selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # Segmentation fault # [ 51.765029] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 51.776745] lkdtm: attempting bad read from page above current stack # [ 51.783911] BUG: stack guard page was hit at 00000000d88672b0 (stack is 0000000001b902e1..0000000014600307) # [ 51.794809] kernel stack overflow (page fault): 0000 [#4] SMP PTI # [ 51.807825] CPU: 1 PID: 1086 Comm: cat Tainted: G D W 5.10.150-cip18 #1 # [ 51.816476] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 51.823276] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d # [ 51.829888] Code: a0 fd ff 0f 1f 44 00 00 53 48 c7 c7 18 2f f8 b2 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 70 a0 fd ff 48 c7 c7 58 2f f8 b2 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 53 a0 fd ff # [ 51.857085] RSP: 0018:ffffa5c2419b7e50 EFLAGS: 00010246 # [ 51.862920] RAX: 0000000000000038 RBX: ffffa5c2419b4000 RCX: 0000000000000000 # [ 51.870890] RDX: 0000000000000000 RSI: ffff8bb83ac9bf70 RDI: ffffffffb2f82f58 # [ 51.878858] RBP: ffffffffb2f82623 R08: 0000000000000000 R09: 0000000000000000 # [ 51.886830] R10: 00000000ffffe000 R11: 3[ 53.570148] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE [ 53.578905] lkdtm: Value in memory before free: 12345678 [ 53.584848] lkdtm: Attempting to read from freed memory [ 53.590693] lkdtm: Buddy page was not poisoned fffffffffffffff R12: 000000000000001a # [ 51.894812] R13: ffffa5c2419b7f10 R14: ffffa5c2419b7f10 R15: ffff8bb7c4ebc000 # [ 51.902783] FS: 00007f33cc421580(0000) GS:ffff8bb83ac80000(0000) knlGS:0000000000000000 # [ 51.911813] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 51.918228] CR2: ffffa5c2419b8000 CR3: 0000000105614004 CR4: 00000000003706e0 # [ 51.926197] Call Trace: # [ 51.928924] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a # [ 51.934773] direct_entry.cold+0x2c/0x38 # [ 51.939184] full_proxy_write+0x53/0x80 # [ 51.943466] vfs_write+0xe7/0x3a0 # [ 51.947165] ksys_write+0x68/0xf0 # [ 51.950863] do_syscall_64+0x30/0x40 # [ 51.954852] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 51.960483] RIP: 0033:0x7f33cc3378f3 # [ 51.964464] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 51.985449] RSP: 002b:00007ffdef883648 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 53.695806] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 51.993905] RAX: ffffffffffffffda RBX: 000000000000001a RCX[ 53.707591] lkdtm: Attempting double slab free ... : 00007f33cc3378f3 # [ 52.001874] RDX: 000000000000001a RSI: 00007f33cc22a000 RDI: 0000000000000001 # [ 52.009844] RBP: 00007f33cc22a000 R08: 00007f33cc229010 R09: 0000000000000000 # [ 52.017814] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 52.025785] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 52.033763] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 52.066398] ---[ end trace 77b35145f13bafb4 ]--- # [ 52.071553] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 52.075930] Code: 89 ff e8 ee b1 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 50 d4 92 02 # [ 52.096913] RSP: 0018:ffffa5c24146fe60 EFLAGS: 00010286 # [ 52.102[ 53.817501] lkdtm: Performing direct entry SLAB_FREE_CROSS 761] RAX: ffffffffb1edf0c0 RBX: 0000000000000001 RCX: 0000000000[ 53.824760] lkdtm: Attempting cross-cache slab free ... 000000 # [ 52.110753] RDX: 0000000000000000 RSI: ffff8bb83ac9bf70 RDI: ffffffffb2b9b290 # [ 52.118723] RBP: ffffffffb2fddb28 R08: 0000000000000001 R09: 0000000000000001 # [ 52.126717] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 52.134688] R13: ffffa5c24146ff10 R14: ffffa5c24146ff10 R15: ffff8bb7c3f8e000 # [ 52.142659] FS: 00007f33cc421580(0000) GS:ffff8bb83ac80000(0000) knlGS:0000000000000000 # [ 52.151696] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 52.158111] CR2: ffffa5c2419b8000 CR3: 0000000105614004 CR4: 00000000003706e0 # STACK_GUARD_PAGE_TRAILING: saw 'call trace:': ok ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # selftests: lkdtm: UNSET_SMEP.sh # [ 52.272437] lkdtm: Performing direct entry UNSET_SMEP # [ 52.283968] lkdtm: trying to clear SMEP normally # [ 52.289135] ------------[ cut here ]------------ # [ 52.294301] pinned CR4 bits changed: 0x100000!? # [ 52.299388] WARNING: CPU: 1 PID: 1122 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60 # [ 52.309605] Modules [ 53.941451] lkdtm: Performing direct entry SLAB_FREE_PAGE [ 53.948642] lkdtm: Attempting non-Slab slab free ... linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 52.342243] CPU: 1 PID: 1122 Comm: cat Tainted: G D W 5.10.150-cip18 #1 # [ 52.350922] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 52.357750] RIP: 0010:native_write_cr4+0x45/0x60 # [ 52.362919] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d bc 90 e3 01 00 75 f2 48 c7 c7 f0 19 ec b2 c6 05 ac 90 e3 01 01 e8 a6 e0 e4 00 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 # [ 52.390114] RSP: 0018:ffffa5c241a47e48 EFLAGS: 00010286 # [ 52.395951] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 0000000000000000 # [ 52.403925] RDX: ffff8bb83acac660 RSI: ffff8bb83ac9bf70 RDI: ffff8bb83ac9bf70 # [ 52.411900] RBP: ffffffffb2f8263d R08: 0000000000000000 R09: 0000000000000000 # [ 52.419872] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 52.427849] R13: ffffa5c241a47f10 R14: ffffa5c241a47f10 R15: ffff8bb7c605f000 # [ 52.442038] FS: 00007ff7b5ef5580(0000) GS:ffff8bb83ac80000(0000) knlGS:0000000000000000 # [ 52.457295] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 52.469935] CR2: 00007ff7b5cfe000 CR3: 0000000105614002 CR4: 00000000003706e0 # [ 52.477940] Call Trace: # [ 52.480674] lkdtm_UNSET_SMEP.cold+0x1d/0x103 # [ 52.485574] direct_entry.cold+0x2c/0x38 # [ 52.489987] full_proxy_write+0x53/0x80 # [ 52.494303] vfs_write+0xe7/0x3a0 # [ 52.498036] ksys_write+0x68/0xf0 # [ 52.501771] do_syscall_64+0x30/0x40 # [ 52.505781] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 52.511456] RIP: 0033:0x7ff7b5e0b8f3 # [ 52.515477] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 52.542673] RSP: 002b:00007ffd33b1eeb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 52.557349] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007ff7b5e0b8f3 # [ 52.565321] RDX: 000000000000000b RSI: 00007ff7b5cfe000 RDI: 0000000000000001 # [ 52.573296] RBP: 00007ff7b5cfe000 R08: 00007ff7b5cfd010 R09: 0000000000000000 # [ 52.581269] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 52.589245] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 52.597225] irq event stamp: 0 # [ 52.600662] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 52.613874] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 52.623015] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 52.632156] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 52.639160] ---[ end trace 77b35145f13bafb5 ]--- # [ 52.644315] lkdtm: ok: SMEP did not get cleared # [ 52.649376] lkdtm: trying to clear SMEP with call gadget # [ 52.655311] lkdtm: ok: SMEP removal was reverted # UNSET_SMEP: saw 'pinned CR4 bits changed:': ok ok 14 selftests: lkdtm: UNSET_SMEP.sh # selftests: lkdtm: DOUBLE_FAULT.sh # [ 52.763475] lkdtm: Performing direct entry DOUBLE_FAULT # [ 52.772104] lkdtm: XFAIL: this test is ia32-only # DOUBLE_FAULT: saw 'XFAIL': [SKIP] ok 15 selftests: lkdtm: DOUBLE_FAULT.sh # SKIP # selftests: lkdtm: CORRUPT_PAC.sh # [ 52.926335] lkdtm: Performing direct entry CORRUPT_PAC # [ 52.932452] 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 # [ 53.048771[ 54.319916] lkdtm: Performing direct entry EXEC_DATA ] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [[ 54.326758] lkdtm: attempting ok execution at ffffffffb1edf490 53.056975] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALI[ 54.339497] lkdtm: attempting bad execution at ffffffffb480c560 GNED_ACCESS # UNALIGNED_LOAD_STORE_WRITE: saw 'XFAIL': [SKIP] [ 54.352306] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 54.366858] BUG: unable to handle page fault for address: ffffffffb480c560 [ 54.374536] #PF: supervisor instruction fetch in kernel mode [ 54.380853] #PF: error_code(0x0011) - permissions violation [ 54.387074] PGD 1c229067 P4D 1c229067 PUD 1c22a063 PMD 800000001d8000e3 [ 54.394566] Oops: 0011 [#5] SMP PTI [ 54.398457] CPU: 0 PID: 1629 Comm: cat Tainted: G D W 5.10.150-cip18 #1 [ 54.407108] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 54.413906] RIP: 0010:data_area+0x0/0x40 [ 54.418288] Code: ff ff 00 b8 84 c0 b7 8b ff ff 00 b7 84 c0 b7 8b 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 [ 54.439263] RSP: 0018:ffffa5c24221fe48 EFLAGS: 00010246 [ 54.445087] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 54.453056] RDX: 0000000000000000 RSI: ffff8bb83ac1bf70 RDI: ffff8bb83ac1bf70 [ 54.461026] RBP: ffffffffb480c560 R08: 0000000000000000 R09: 0000000000000000 [ 54.468995] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 54.476963] R13: ffffa5c24221ff10 R14: ffffa5c24221ff10 R15: ffff8bb7c3e59000 [ 54.484933] FS: 00007fd2f9880580(0000) GS:ffff8bb83ac00000(0000) knlGS:0000000000000000 [ 54.493971] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.500378] CR2: ffffffffb480c560 CR3: 000000010408a006 CR4: 00000000003706f0 [ 54.508347] Call Trace: [ 54.511076] ? execute_location+0x45/0x56 [ 54.515556] ? direct_entry.cold+0x2c/0x38 [ 54.520129] ? full_proxy_write+0x53/0x80 [ 54.524610] ? vfs_write+0xe7/0x3a0 [ 54.528508] ? ksys_write+0x68/0xf0 [ 54.532392] ? do_syscall_64+0x30/0x40 [ 54.536581] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 54.542417] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 54.568858] CR2: ffffffffb480c560 [ 54.572556] ---[ end trace 77b35145f13bafb6 ]--- [ 54.577700] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 54.582069] Code: 89 ff e8 ee b1 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 50 d4 92 02 [ 54.603045] RSP: 0018:ffffa5c24146fe60 EFLAGS: 00010286 [ 54.608877] RAX: ffffffffb1edf0c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 54.616846] RDX: 0000000000000000 RSI: ffff8bb83ac9bf70 RDI: ffffffffb2b9b290 [ 54.624815] RBP: ffffffffb2fddb28 R08: 0000000000000001 R09: 0000000000000001 [ 54.632785] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 54.640745] R13: ffffa5c24146ff10 R14: ffffa5c24146ff10 R15: ffff8bb7c3f8e000 [ 54.648715] FS: 00007fd2f9880580(0000) GS:ffff8bb83ac00000(0000) knlGS:0000000000000000 [ 54.657752] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.664166] CR2: ffffffffb480c560 CR3: 000000010408a006 CR4: 00000000003706f0 [ 54.672138] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 54.682050] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1629, name: cat [ 54.690504] INFO: lockdep is turned off. [ 54.694879] irq event stamp: 0 [ 54.698285] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 54.705286] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 54.714422] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 54.723547] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 54.730546] CPU: 0 PID: 1629 Comm: cat Tainted: G D W 5.10.150-cip18 #1 [ 54.739195] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 54.745999] Call Trace: [ 54.748728] dump_stack+0x77/0x9b [ 54.752431] ___might_sleep.cold+0xa6/0xb6 [ 54.756996] exit_signals+0x1c/0x2e0 [ 54.760983] do_exit+0xd5/0xb00 [ 54.764486] ? ksys_write+0x68/0xf0 [ 54.768380] rewind_stack_do_exit+0x17/0x20 [ 54.773054] RIP: 0033:0x7fd2f97968f3 [ 54.777033] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 54.798007] RSP: 002b:00007ffd162d9a78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 54.806460] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fd2f97968f3 [ 54.814429] RDX: 000000000000000a RSI: 00007fd2f9689000 RDI: 0000000000000001 [ 54.822397] RBP: 00007fd2f9689000 R08: 00007fd2f9688010 R09: 0000000000000000 [ 54.830366] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 54.838335] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 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 # [ 53.315257] lkdtm: Performing direct entry READ_AFTER_FREE # [ 53.325808] lkdtm: Value in memory before free: 12345678 # [ 53.337931] lkdtm: Attempting bad read from freed memory # [ 53.350073] lkdtm: Memory was not poisoned # READ_AFTER_FREE: missing 'call trace:': [FAIL] not ok 20 selftests: lkdtm: READ_AFTER_FREE.sh # exit=1 # selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # Skipping WRITE_BUDDY_AFTER_FREE: Corrupts memory on failure ok 21 selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # SKIP # selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh # [ 53.570148] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 53.578905] lkdtm: Value in memory before free: 12345678 # [ 53.584848] lkdtm: Attempting to read from freed memory # [ 53.590693] lkdtm: Buddy page was not poisoned # READ_BUDDY_AFTER_FREE: missing 'call trace:': [FAIL] not ok 22 selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh # exit=1 #[ 54.971248] lkdtm: Performing direct entry EXEC_STACK [ 54.982490] lkdtm: attempting ok execution at ffffffffb1edf490 [ 54.989018] lkdtm: attempting bad execution at ffffa5c2422b7e18 [ 54.995683] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) selftests: lkdtm: SLAB_FREE_DOUBLE.sh # [ 53.695806] lkdtm: [ 55.004052] BUG: unable to handle page fault for address: ffffa5c2422b7e18 [ 55.017944] #PF: supervisor instruction fetch in kernel mode Performing direct entry SLAB_FREE_DOUBLE # [ 53.707591] lkdtm[ 55.024264] #PF: error_code(0x0011) - permissions violation : [Attempting double slab free ... # SLAB_FREE_DOUBLE: missing ' 55.036699] PGD 100000067 P4D 100000067 PUD 10020b067 PMD 104d78067 PTE 800000010273b063 [ 55.051954] Oops: 0011 [#6] SMP PTI [ 55.055846] CPU: 3 PID: 1665 Comm: cat Tainted: G D W 5.10.150-cip18 #1 call trace:': [FAIL] not ok 23 selftests: lkdtm: SLAB_FREE_DOUB[ 55.064498] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 55.077519] RIP: 0010:0xffffa5c2422b7e18 LE.sh # exit=1 # selftests: lkdtm: SLAB_FREE_CROSS.sh # [ 53[ 55.081899] Code: 00 00 18 7e 2b 42 c2 a5 ff ff 7e e5 53 b2 ff ff ff ff 20 00 00 00 00 00 00 00 66 27 f8 b2 ff ff ff ff ad e6 53 b2 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 [ 55.109095] RSP: 0018:ffffa5c2422b7df8 EFLAGS: 00010246 [ 55.114927] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 55.122898] RDX: 0000000000000000 RSI: ffff8bb83ad9bf70 RDI: ffff8bb83ad9bf70 [ 55.130867] RBP: ffffa5c2422b7e18 R08: 0000000000000000 R09: 0000000000000000 [ 55.138837] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b [ 55.146809] R13: ffffa5c2422b7f10 R14: ffffa5c2422b7f10 R15: ffff8bb7c39bc000 [ 55.154779] FS: 00007f33e1618580(0000) GS:ffff8bb83ad80000(0000) knlGS:0000000000000000 [ 55.163818] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.170233] CR2: ffffa5c2422b7e18 CR3: 00000001038c8003 CR4: 00000000003706e0 [ 55.178203] Call Trace: [ 55.180933] ? execute_location+0x45/0x56 [ 55.185408] ? lkdtm_EXEC_STACK+0x26/0x44 [ 55.189874] ? direct_entry.cold+0x2c/0x38 [ 55.194446] ? full_proxy_write+0x53/0x80 [ 55.198913] ? vfs_write+0xe7/0x3a0 [ 55.202809] ? ksys_write+0x68/0xf0 [ 55.206701] ? do_syscall_64+0x30/0x40 [ 55.210885] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 55.216723] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify .817501] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 5[ 55.243186] CR2: ffffa5c2422b7e18 [ 55.253098] ---[ end trace 77b35145f13bafb7 ]--- [ 55.258252] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 55.262620] Code: 89 ff e8 ee b1 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 50 d4 92 02 [ 55.283604] RSP: 0018:ffffa5c24146fe60 EFLAGS: 00010286 [ 55.289438] RAX: ffffffffb1edf0c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 55.297409] RDX: 0000000000000000 RSI: ffff8bb83ac9bf70 RDI: ffffffffb2b9b290 [ 55.305379] RBP: ffffffffb2fddb28 R08: 0000000000000001 R09: 0000000000000001 [ 55.313349] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 55.321320] R13: ffffa5c24146ff10 R14: ffffa5c24146ff10 R15: ffff8bb7c3f8e000 [ 55.329289] FS: 00007f33e1618580(0000) GS:ffff8bb83ad80000(0000) knlGS:0000000000000000 [ 55.338328] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.344754] CR2: ffffa5c2422b7e18 CR3: 00000001038c8003 CR4: 00000000003706e0 3.824760] lkdtm: Attempting cross-cache slab free ... # SLAB_FREE_CROSS: missing 'call trace:': [FAIL] not ok 24 selftests: lkdtm: SLAB_FREE_CROSS.sh # exit=1 # selftests: lkdtm: SLAB_FREE_PAGE.sh # [ 53.941451] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 53.948642] lkdtm: Attempting non-Slab slab free ... # SLAB_FREE_PAGE: missing 'call trace:': [FAIL] not ok 25 selftests: lkdtm: SLAB_FREE_PAGE.sh # exit=1 # selftests: lkdtm: SOFTLOCKUP.sh # Skipping SOFTLOCKUP: Hangs the system ok 26 selftests: lkdtm: SOFTLOCKUP.sh # SKIP # selftests: lkdtm: HARDLOCKUP.sh # Skipping HARDLOCKUP: Hangs the system ok 27 selftests: lkdtm: HARDLOCKUP.sh # SKIP # selftests: lkdtm: SPINLOCKUP.sh # Skipping SPINLOCKUP: Hangs the system ok 28 selftests: lkdtm: SPINLOCKUP.sh # SKIP # selftests: lkdtm: HUNG_TASK.sh # Skipping HUNG_TASK: Hangs the system ok 29 selftests: lkdtm: HUNG_TASK.sh # SKIP # selftests: lkdtm: EXEC_DATA.sh # Killed # [ 54.319916] lkdtm: Performing direct entry EXEC_DATA # [ 54.326758] lkdtm: attempting ok execution at ffffffffb1edf490 # [ 54.339497] lkdtm: attempting bad execution at ffffffffb480c560 # [ 54.352306] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 54.366858] BUG: unable to handle page fault for address: ffffffffb480c560 # [ 54.374536] #PF: supervisor instruction fetch in kernel mode # [ 54.380853][ 55.484889] lkdtm: Performing direct entry EXEC_KMALLOC #PF: error_code(0x0011) - permissions violation # [ 54.38707[ 55.495479] lkdtm: attempting ok execution at ffffffffb1edf490 4] PGD 1c229067 P4D 1c229067 PUD 1c22a063 PMD 800000001d8000e3 [ 55.508210] lkdtm: attempting bad execution at ffff8bb7c27e51c0 # [ 54.394566] Oops: 0011 [#5] SMP PTI # [ 54.398457] CPU:[ 55.521032] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 55.535601] BUG: unable to handle page fault for address: ffff8bb7c27e51c0 [ 55.543271] #PF: supervisor instruction fetch in kernel mode [ 55.549590] #PF: error_code(0x0011) - permissions violation [ 55.555813] PGD 1da01067 P4D 1da01067 PUD 100856063 PMD 10291e063 PTE 80000001027e5063 0 PID: 1629 Comm: cat Tainted: G D W 5.10.150-cip1[ 55.564662] Oops: 0011 [#7] SMP PTI [ 55.574769] CPU: 2 PID: 1701 Comm: cat Tainted: G D W 5.10.150-cip18 #1 [ 55.583418] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 55.590223] RIP: 0010:0xffff8bb7c27e51c0 [ 55.594599] Code: 00 00 02 00 00 00 00 00 00 00 40 bb 74 c4 b7 8b ff ff 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 1b 24 70 b1 ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 [ 55.615583] RSP: 0018:ffffa5c242337e38 EFLAGS: 00010246 [ 55.621419] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 55.629380] RDX: 0000000000000000 RSI: ffff8bb83ad1bf70 RDI: ffff8bb83ad1bf70 [ 55.637350] RBP: ffff8bb7c27e51c0 R08: 0000000000000000 R09: 0000000000000000 [ 55.645321] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 55.653283] R13: ffffa5c242337f10 R14: ffffa5c242337f10 R15: ffff8bb7c4d9c000 [ 55.661253] FS: 00007f5e9a905580(0000) GS:ffff8bb83ad00000(0000) knlGS:0000000000000000 [ 55.670291] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.676706] CR2: ffff8bb7c27e51c0 CR3: 0000000104b46001 CR4: 00000000003706e0 [ 55.684676] Call Trace: [ 55.687406] ? execute_location+0x45/0x56 8 #1 # [ 54.407108] Hardware name: Google Rammus/Rammus, BIOS[ 55.691883] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 [ 55.702762] ? direct_entry.cold+0x2c/0x38 [ 55.707333] ? full_proxy_write+0x53/0x80 [ 55.711809] ? vfs_write+0xe7/0x3a0 [ 55.715703] ? ksys_write+0x68/0xf0 [ 55.719596] ? do_syscall_64+0x30/0x40 [ 55.723782] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 09/04/2020 # [ 54.413906] RIP: 0010:data_area+0x0/0x40 # [[ 55.729641] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 55.762282] CR2: ffff8bb7c27e51c0 [ 55.765979] ---[ end trace 77b35145f13bafb8 ]--- [ 55.771135] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 55.775511] Code: 89 ff e8 ee b1 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 50 d4 92 02 [ 55.796496] RSP: 0018:ffffa5c24146fe60 EFLAGS: 00010286 [ 55.802322] RAX: ffffffffb1edf0c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 55.810284] RDX: 0000000000000000 RSI: ffff8bb83ac9bf70 RDI: ffffffffb2b9b290 [ 55.818253] RBP: ffffffffb2fddb28 R08: 0000000000000001 R09: 0000000000000001 [ 55.826223] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 55.834195] R13: ffffa5c24146ff10 R14: ffffa5c24146ff10 R15: ffff8bb7c3f8e000 [ 55.842165] FS: 00007f5e9a905580(0000) GS:ffff8bb83ad00000(0000) knlGS:0000000000000000 [ 55.851204] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.857618] CR2: ffff8bb7c27e51c0 CR3: 0000000104b46001 CR4: 00000000003706e0 [ 55.865588] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 55.875500] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1701, name: cat [ 55.883954] INFO: lockdep is turned off. [ 55.888330] irq event stamp: 0 [ 55.891752] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 55.898753] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 55.907889] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 55.917024] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 55.924025] CPU: 2 PID: 1701 Comm: cat Tainted: G D W 5.10.150-cip18 #1 [ 55.932667] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 55.939472] Call Trace: [ 55.942201] dump_stack+0x77/0x9b 54.418288] Code: ff ff 00 b8 84 c0 b7 8b ff ff 00 b7 84 c0 b7[ 55.945902] ___might_sleep.cold+0xa6/0xb6 [ 55.956687] exit_signals+0x1c/0x2e0 8b ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 55.960677] do_exit+0xd5/0xb00 [ 55.970393] ? ksys_write+0x68/0xf0 [ 55.974278] rewind_stack_do_exit+0x17/0x20 [ 55.978947] RIP: 0033:0x7f5e9a81b8f3 [ 55.982934] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 56.003918] RSP: 002b:00007ffe2d3a49e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 56.012373] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f5e9a81b8f3 [ 56.020343] RDX: 000000000000000d RSI: 00007f5e9a70e000 RDI: 0000000000000001 [ 56.028312] RBP: 00007f5e9a70e000 R08: 00007f5e9a70d010 R09: 0000000000000000 [ 56.036282] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 56.044251] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 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 # [ 54.439263] RSP: 0018:ffffa5c24221fe48 EFLAGS: 00010246 # [ 54.445087] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 54.453056] RDX: 0000000000000000 RSI: ffff8bb83ac1bf70 RDI: ffff8bb83ac1bf70 # [ 54.461026] RBP: ffffffffb480c560 R08: 0000000000000000 R09: 0000000000000000 # [ 54.468995] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 54.476963] R13: ffffa5c24221ff10 R14: ffffa5c24221ff10 R15: ffff8bb7c3e59000 # [ 54.484933] FS: 00007fd2f9880580(0000) GS:ffff8bb83ac00000(0000) knlGS:0000000000000000 # [ 54.493971] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.500378] CR2: ffffffffb480c560 CR3: 000000010408a006 CR4: 00000000003706f0 # [ 54.508347] Call Trace: # [ 54.511076] ? execute_location+0x45/0x56 # [ 54.515556] ? direct_entry.cold+0x2c/0x38 # [ 54.520129] ? full_proxy_write+0x53/0x80 # [ 54.524610] ? vfs_write+0xe7/0x3a0 # [ 54.528508] ? ksys_write+0x68/0xf0 # [ 54.532392] ? do_syscall_64+0x30/0x40 # [ 54.536581] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 54.542417] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 54.568858][ 56.189849] lkdtm: Performing direct entry EXEC_VMALLOC CR2: ffffffffb480c560 # [ 54.572556] ---[ end trace 77b35145[ 56.201045] lkdtm: attempting ok execution at ffffffffb1edf490 f13bafb6 ]--- # [ 54.577700] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 56.213777] lkdtm: attempting bad execution at ffffa5c240355000 [ 54.582069] Code: 89 ff e8 ee b1 a3 ff 48 c7 c0 ea ff ff ff e[ 56.226633] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 56.241165] BUG: unable to handle page fault for address: ffffa5c240355000 [ 56.248844] #PF: supervisor instruction fetch in kernel mode [ 56.255162] #PF: error_code(0x0011) - permissions violation [ 56.261384] PGD 100000067 P4D 100000067 PUD 10020b067 PMD 100983067 PTE 80000001060eb063 [ 56.270432] Oops: 0011 [#8] SMP PTI [ 56.274315] CPU: 0 PID: 1737 Comm: cat Tainted: G D W 5.10.150-cip18 #1 [ 56.282957] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 56.289764] RIP: 0010:0xffffa5c240355000 [ 56.294141] Code: Unable to access opcode bytes at RIP 0xffffa5c240354fd6. [ 56.301820] RSP: 0018:ffffa5c2423dfe38 EFLAGS: 00010246 [ 56.307655] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 56.315626] RDX: 0000000000000000 RSI: ffff8bb83ac1bf70 RDI: ffff8bb83ac1bf70 [ 56.323595] RBP: ffffa5c240355000 R08: 0000000000000000 R09: 0000000000000000 [ 56.331566] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 56.339536] R13: ffffa5c2423dff10 R14: ffffa5c2423dff10 R15: ffff8bb7c60eb000 [ 56.347509] FS: 00007fbd54ed8580(0000) GS:ffff8bb83ac00000(0000) knlGS:0000000000000000 [ 56.356549] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.362957] CR2: ffffa5c240354fd6 CR3: 0000000103e98004 CR4: 00000000003706f0 [ 56.370928] Call Trace: [ 56.373659] ? execute_location+0x45/0x56 [ 56.378141] ? lkdtm_EXEC_VMALLOC+0x20/0x30 [ 56.382815] ? direct_entry.cold+0x2c/0x38 [ 56.387380] ? full_proxy_write+0x53/0x80 [ 56.391862] ? vfs_write+0xe7/0x3a0 [ 56.395761] ? ksys_write+0x68/0xf0 [ 56.399654] ? do_syscall_64+0x30/0x40 [ 56.403844] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 56.409683] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 56.436126] CR2: ffffa5c240355000 [ 56.439822] ---[ end trace 77b35145f13bafb9 ]--- [ 56.444976] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 56.449343] Code: 89 ff e8 ee b1 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 50 d4 92 02 [ 56.470327] RSP: 0018:ffffa5c24146fe60 EFLAGS: 00010286 [ 56.476152] RAX: ffffffffb1edf0c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 56.484121] RDX: 0000000000000000 RSI: ffff8bb83ac9bf70 RDI: ffffffffb2b9b290 [ 56.492091] RBP: ffffffffb2fddb28 R08: 0000000000000001 R09: 0000000000000001 [ 56.500061] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 56.508030] R13: ffffa5c24146ff10 R14: ffffa5c24146ff10 R15: ffff8bb7c3f8e000 [ 56.516001] FS: 00007fbd54ed8580(0000) GS:ffff8bb83ac00000(0000) knlGS:0000000000000000 [ 56.525030] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.531447] CR2: ffffa5c240354fd6 CR3: 0000000103e98004 CR4: 00000000003706f0 b 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 50 d4 92 02 # [ 54.603045] RSP: 0018:ffffa5c24146fe60 EFLAGS: 00010286 # [ 54.608877] RAX: ffffffffb1edf0c0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 54.616846] RDX: 0000000000000000 RSI: ffff8bb83ac9bf70 RDI: ffffffffb2b9b290 # [ 54.624815] RBP: ffffffffb2fddb28 R08: 0000000000000001 R09: 0000000000000001 # [ 54.632785] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 54.640745] R13: ffffa5c24146ff10 R14: ffffa5c24146ff10 R15: ffff8bb7c3f8e000 # [ 54.648715] FS: 00007fd2f9880580(0000) GS:ffff8bb83ac00000(0000) knlGS:0000000000000000 # [ 54.657752] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.664166] CR2: ffffffffb480c560 CR3: 000000010408a006 CR4: 00000000003706f0 # [ 54.672138] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 54.682050] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1629, name: cat # [ 54.690504] INFO: lockdep is turned off. # [ 54.694879] irq event stamp: 0 # [ 54.698285] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 54.705286] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 54.714422] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 54.723547] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 54.730546] CPU: 0 PID: 1629 Comm: cat Tainted: G D W 5.10.150-cip18 #1 # [ 54.739195] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [[ 56.695418] lkdtm: Performing direct entry EXEC_RODATA 54.745999] Call Trace: # [ 54.748728] dump_stack+0x77/0x9[ 56.706807] lkdtm: attempting ok execution at ffffffffb1edf490 b # [ 54.752431] ___might_sleep.cold+0xa6/0xb6 # [ 54.756[ 56.719552] lkdtm: attempting bad execution at ffffffffb2b9b720 996] exit_signals+0x1c/0x2e0 # [ 54.760983] do_exit+0xd5/0x[ 56.732356] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 56.746911] BUG: unable to handle page fault for address: ffffffffb2b9b720 [ 56.754590] #PF: supervisor instruction fetch in kernel mode [ 56.760908] #PF: error_code(0x0011) - permissions violation [ 56.767128] PGD 1c229067 P4D 1c229067 PUD 1c22a063 PMD 800000001ba000e1 [ 56.774621] Oops: 0011 [#9] SMP PTI [ 56.778514] CPU: 0 PID: 1773 Comm: cat Tainted: G D W 5.10.150-cip18 #1 [ 56.787161] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 56.793970] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 [ 56.799711] Code: ff ff 1d fb 53 b2 ff ff ff ff b2 29 f8 b2 ff ff ff ff 63 e2 53 b2 ff ff ff ff 55 aa 55 aa 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 54 68 69 73 20 69 [ 56.820695] RSP: 0018:ffffa5c24244fe48 EFLAGS: 00010246 [ 56.826527] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 56.834497] RDX: 0000000000000000 RSI: ffff8bb83ac1bf70 RDI: ffff8bb83ac1bf70 [ 56.842466] RBP: ffffffffb2b9b720 R08: 0000000000000000 R09: 0000000000000000 [ 56.850434] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 56.858403] R13: ffffa5c24244ff10 R14: ffffa5c24244ff10 R15: ffff8bb7c3c08000 [ 56.866373] FS: 00007ffbcaaea580(0000) GS:ffff8bb83ac00000(0000) knlGS:0000000000000000 [ 56.875411] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.881818] CR2: ffffffffb2b9b720 CR3: 0000000104e2e002 CR4: 00000000003706f0 [ 56.889787] Call Trace: [ 56.892517] ? execute_location+0x45/0x56 [ 56.896997] ? direct_entry.cold+0x2c/0x38 [ 56.901570] ? full_proxy_write+0x53/0x80 [ 56.906052] ? vfs_write+0xe7/0x3a0 [ 56.909951] ? ksys_write+0x68/0xf0 [ 56.913844] ? do_syscall_64+0x30/0x40 [ 56.918029] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 56.923867] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 56.950310] CR2: ffffffffb2b9b720 [ 56.954008] ---[ end trace 77b35145f13bafba ]--- [ 56.959162] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 56.963540] Code: 89 ff e8 ee b1 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 50 d4 92 02 [ 56.984526] RSP: 0018:ffffa5c24146fe60 EFLAGS: 00010286 [ 56.990359] RAX: ffffffffb1edf0c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 56.998330] RDX: 0000000000000000 RSI: ffff8bb83ac9bf70 RDI: ffffffffb2b9b290 [ 57.006301] RBP: ffffffffb2fddb28 R08: 0000000000000001 R09: 0000000000000001 [ 57.014270] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 57.022240] R13: ffffa5c24146ff10 R14: ffffa5c24146ff10 R15: ffff8bb7c3f8e000 [ 57.030211] FS: 00007ffbcaaea580(0000) GS:ffff8bb83ac00000(0000) knlGS:0000000000000000 [ 57.039250] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.045665] CR2: ffffffffb2b9b720 CR3: 0000000104e2e002 CR4: 00000000003706f0 [ 57.053635] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 57.063548] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1773, name: cat [ 57.072004] INFO: lockdep is turned off. [ 57.076381] irq event stamp: 0 [ 57.079787] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 57.086787] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 57.095925] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 57.105052] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 57.112052] CPU: 0 PID: 1773 Comm: cat Tainted: G D W 5.10.150-cip18 #1 [ 57.120703] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 57.127507] Call Trace: [ 57.130236] dump_stack+0x77/0x9b [ 57.133931] ___might_sleep.cold+0xa6/0xb6 [ 57.138504] exit_signals+0x1c/0x2e0 [ 57.142499] do_exit+0xd5/0xb00 [ 57.145994] ? ksys_write+0x68/0xf0 [ 57.149880] rewind_stack_do_exit+0x17/0x20 [ 57.154554] RIP: 0033:0x7ffbcaa008f3 [ 57.158543] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 57.179519] RSP: 002b:00007ffcbbded9a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 57.187977] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007ffbcaa008f3 [ 57.195940] RDX: 000000000000000c RSI: 00007ffbca8f3000 RDI: 0000000000000001 [ 57.203908] RBP: 00007ffbca8f3000 R08: 00007ffbca8f2010 R09: 0000000000000000 [ 57.211876] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 57.219846] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 b00 # [ 54.764486] ? ksys_write+0x68/0xf0 # [ 54.768380] rewind_stack_do_exit+0x17/0x20 # [ 54.773054] RIP: 0033:0x7fd2f97968f3 # [ 54.777033] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 54.798007] RSP: 002b:00007ffd162d9a78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 54.806460] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fd2f97968f3 # [ 54.814429] RDX: 000000000000000a RSI: 00007fd2f9689000 RDI: 0000000000000001 # [ 54.822397] RBP: 00007fd2f9689000 R08: 00007fd2f9688010 R09: 0000000000000000 # [ 54.830366] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 54.838335] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_DATA: saw 'call trace:': ok ok 30 selftests: lkdtm: EXEC_DATA.sh # selftests: lkdtm: EXEC_STACK.sh # Killed # [ 54.971248] lkdtm: Performing direct entry EXEC_STACK # [ 54.982490] lkdtm: attempting ok execution at ffffffffb1edf490 # [ 54.989018] lkdtm: attempting bad execution at ffffa5c2422b7e18 # [ 54.995683] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 55.004052] BUG: unable to handle page fault for address: ffffa5c2422b7e18 # [ 55.017944] #PF: supervisor instruction fetch in kernel mode # [ 55.024264] #PF: error_code(0x0011) - permissions violation # [ 55.036699] PGD 100000067 P4D 100000067 PUD 10020b067 PMD 104d78067 PTE 800000010273b063 # [ 55.051954] Oops: 0011 [#6] SMP PTI # [ 55.055846] CPU: 3 PID: 1665 Comm: cat Tainted: G D W 5.10.150-cip18 #1 # [ 55.064498] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 55.077519] RIP: 0010:0xffffa5c2422b7e18 # [ 55.081899] Code: 00 00 18 7e 2b 42 c2 a5 ff ff 7e e5 53 b2 ff ff ff ff 20 00 00 00 00 00 00 00 66 27 f8 b2 ff ff ff ff ad e6 53 b2 ff ff ff ff <[ 57.415042] lkdtm: Performing direct entry EXEC_USERSPACE 0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 [ 57.426653] lkdtm: attempting ok execution at ffffffffb1edf490 55 # [ 55.109095] RSP: 0018:ffffa5c2422b7df8 EFLAGS: 00010246[ 57.439397] lkdtm: attempting bad execution at 00007f4223b84000 # [ 55.114927] RAX: 0000000000000033 RBX: 0000000000000001 R[ 57.452233] unable to execute userspace code (SMEP?) (uid: 0) [ 57.464846] BUG: unable to handle page fault for address: 00007f4223b84000 [ 57.472525] #PF: supervisor instruction fetch in kernel mode [ 57.478857] #PF: error_code(0x0011) - permissions violation CX: 0000000000000000 # [ 55.122898] RDX: 0000000000000000 RSI[ 57.485087] PGD 8000000104f0d067 P4D 8000000104f0d067 PUD 104138067 PMD 1026dd067 PTE 114ce5067 [ 57.501022] Oops: 0011 [#10] SMP PTI [ 57.505013] CPU: 2 PID: 1809 Comm: cat Tainted: G D W 5.10.150-cip18 #1 [ 57.513664] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 57.520470] RIP: 0010:0x7f4223b84000 [ 57.524458] Code: Unable to access opcode bytes at RIP 0x7f4223b83fd6. [ 57.531760] RSP: 0018:ffffa5c2424efe50 EFLAGS: 00010246 [ 57.537593] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 [ 57.545562] RDX: 0000000000000000 RSI: ffff8bb83ad1bf70 RDI: ffff8bb83ad1bf70 [ 57.553531] RBP: 00007f4223b84000 R08: 0000000000000000 R09: 0000000000000000 [ 57.561500] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f [ 57.569469] R13: ffffa5c2424eff10 R14: ffffa5c2424eff10 R15: ffff8bb7c3c86000 [ 57.577438] FS: 00007f4223b55580(0000) GS:ffff8bb83ad00000(0000) knlGS:0000000000000000 [ 57.586477] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.592895] CR2: 00007f4223b84000 CR3: 0000000103ecc006 CR4: 00000000003706e0 [ 57.600865] Call Trace: [ 57.603588] ? lkdtm_EXEC_USERSPACE.cold+0x66/0xae : ffff8bb83ad9bf70 RDI: ffff8bb83ad9bf70 # [ 55.130867] RBP: [ 57.608938] ? direct_entry.cold+0x2c/0x38 [ 57.619726] ? full_proxy_write+0x53/0x80 ffffa5c2422b7e18 R08: 0000000000000000 R09: 0000000000000000 # [ 57.624228] ? vfs_write+0xe7/0x3a0 [ 57.634332] ? ksys_write+0x68/0xf0 [ 57.638225] ? do_syscall_64+0x30/0x40 [ 57.642410] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 55.138837] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: [ 57.648246] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 57.680883] CR2: 00007f4223b84000 [ 57.684579] ---[ end trace 77b35145f13bafbb ]--- [ 57.689756] RIP: 0010:lkdtm_BUG+0x5/0x10 000000000000000b # [ 55.146809] R13: ffffa5c2422b7f10 R14: ff[ 57.694133] Code: 89 ff e8 ee b1 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 50 d4 92 02 [ 57.721330] RSP: 0018:ffffa5c24146fe60 EFLAGS: 00010286 [ 57.727164] RAX: ffffffffb1edf0c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 57.735134] RDX: 0000000000000000 RSI: ffff8bb83ac9bf70 RDI: ffffffffb2b9b290 [ 57.743100] RBP: ffffffffb2fddb28 R08: 0000000000000001 R09: 0000000000000001 [ 57.751070] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 57.759039] R13: ffffa5c24146ff10 R14: ffffa5c24146ff10 R15: ffff8bb7c3f8e000 [ 57.767010] FS: 00007f4223b55580(0000) GS:ffff8bb83ad00000(0000) knlGS:0000000000000000 [ 57.776046] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.782461] CR2: 00007f4223b84000 CR3: 0000000103ecc006 CR4: 00000000003706e0 ffa5c2422b7f10 R15: ffff8bb7c39bc000 # [ 55.154779] FS: 00007f33e1618580(0000) GS:ffff8bb83ad80000(0000) knlGS:0000000000000000 # [ 55.163818] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.170233] CR2: ffffa5c2422b7e18 CR3: 00000001038c8003 CR4: 00000000003706e0 # [ 55.178203] Call Trace: # [ 55.180933] ? execute_location+0x45/0x56 # [ 55.185408] ? lkdtm_EXEC_STACK+0x26/0x44 # [ 55.189874] ? direct_entry.cold+0x2c/0x38 # [ 55.194446] ? full_proxy_write+0x53/0x80 # [ 55.198913] ? vfs_write+0xe7/0x3a0 # [ 55.202809] ? ksys_write+0x68/0xf0 # [ 55.206701] ? do_syscall_64+0x30/0x40 # [ 55.210885] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 55.216723] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 55.243186] CR2: ffffa5c2422b7e18 # [ 55.253098] ---[ end trace 77b35145f13bafb7 ]--- # [ 55.258252] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 55.262620] Code: 89 ff e8 ee b1 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 50 d4 92 02 # [ 55.283604] RSP: 0018:ffffa5c24146fe60 EFLAGS: 00010286 # [ 55.289438] RAX: ffffffffb1edf0c0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 55.297409] RDX: 0000000000000000 RSI: ffff8bb83ac9bf70 RDI: ffffffffb2b9b290 # [ 55.305379] RBP: ffffffffb2fddb2[ 57.945046] lkdtm: Performing direct entry EXEC_NULL [ 57.951354] lkdtm: attempting ok execution at ffffffffb1edf490 [ 57.957882] lkdtm: attempting bad execution at 0000000000000000 [ 57.964511] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 57.972292] #PF: supervisor instruction fetch in kernel mode [ 57.978612] #PF: error_code(0x0010) - not-present page [ 57.984347] PGD 0 P4D 0 [ 57.987172] Oops: 0010 [#11] SMP PTI [ 57.991153] CPU: 3 PID: 1845 Comm: cat Tainted: G D W 5.10.150-cip18 #1 [ 57.999805] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 58.006612] RIP: 0010:0x0 [ 58.009533] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. [ 58.017205] RSP: 0018:ffffa5c24258fe48 EFLAGS: 00010246 [ 58.023029] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 58.030999] RDX: 0000000000000000 RSI: ffff8bb83ad9bf70 RDI: ffff8bb83ad9bf70 [ 58.038966] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 58.046934] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 58.054904] R13: ffffa5c24258ff10 R14: ffffa5c24258ff10 R15: ffff8bb7c61e3000 [ 58.062874] FS: 00007f06ab0a9580(0000) GS:ffff8bb83ad80000(0000) knlGS:0000000000000000 [ 58.071914] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.078330] CR2: ffffffffffffffd6 CR3: 000000010292e001 CR4: 00000000003706e0 [ 58.086298] Call Trace: [ 58.089026] execute_location+0x45/0x56 [ 58.093307] direct_entry.cold+0x2c/0x38 8 R[08: 0000000000000001 R09: 0000000000000001 # [ 55.313349] 58.097679] full_proxy_write+0x53/0x80 [ 58.108180] vfs_write+0xe7/0x3a0 R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000[ 58.111880] ksys_write+0x68/0xf0 [ 58.121793] do_syscall_64+0x30/0x40 4 # [ 55.321320] R13: ffffa5c24146ff10 R14: ffffa5c24146ff10 [ 58.125783] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 58.137635] RIP: 0033:0x7f06aafbf8f3 [ 58.141623] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 58.162609] RSP: 002b:00007ffc75f7de28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 58.171057] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f06aafbf8f3 [ 58.179027] RDX: 000000000000000a RSI: 00007f06aaeb2000 RDI: 0000000000000001 [ 58.186998] RBP: 00007f06aaeb2000 R08: 00007f06aaeb1010 R09: 0000000000000000 [ 58.194969] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 58.202938] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 58.210912] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify R15: ffff8bb7c3f8e000 # [ 55.329289] FS: 00007f33e1618580(00[ 58.237368] CR2: 0000000000000000 [ 58.247280] ---[ end trace 77b35145f13bafbc ]--- [ 58.252426] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 58.256806] Code: 89 ff e8 ee b1 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 50 d4 92 02 [ 58.277807] RSP: 0018:ffffa5c24146fe60 EFLAGS: 00010286 [ 58.283639] RAX: ffffffffb1edf0c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 58.291608] RDX: 0000000000000000 RSI: ffff8bb83ac9bf70 RDI: ffffffffb2b9b290 [ 58.299576] RBP: ffffffffb2fddb28 R08: 0000000000000001 R09: 0000000000000001 [ 58.307546] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 58.315514] R13: ffffa5c24146ff10 R14: ffffa5c24146ff10 R15: ffff8bb7c3f8e000 [ 58.323485] FS: 00007f06ab0a9580(0000) GS:ffff8bb83ad80000(0000) knlGS:0000000000000000 [ 58.332523] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.338939] CR2: ffffffffffffffd6 CR3: 000000010292e001 CR4: 00000000003706e0 [ 58.346910] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 58.356821] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1845, name: cat [ 58.365277] INFO: lockdep is turned off. [ 58.369653] irq event stamp: 0 [ 58.373059] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 58.380059] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 58.389194] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 58.398328] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 58.405327] CPU: 3 PID: 1845 Comm: cat Tainted: G D W 5.10.150-cip18 #1 [ 58.413974] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 58.420778] Call Trace: [ 58.423504] dump_stack+0x77/0x9b [ 58.427192] ___might_sleep.cold+0xa6/0xb6 [ 58.431766] exit_signals+0x1c/0x2e0 [ 58.435757] do_exit+0xd5/0xb00 [ 58.439261] ? ksys_write+0x68/0xf0 [ 58.443144] rewind_stack_do_exit+0x17/0x20 [ 58.447804] RIP: 0033:0x7f06aafbf8f3 [ 58.451796] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 58.472812] RSP: 002b:00007ffc75f7de28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 58.481264] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f06aafbf8f3 [ 58.489232] RDX: 000000000000000a RSI: 00007f06aaeb2000 RDI: 0000000000000001 [ 58.497200] RBP: 00007f06aaeb2000 R08: 00007f06aaeb1010 R09: 0000000000000000 [ 58.505169] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 58.513139] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 00) GS:ffff8bb83ad80000(0000) knlGS:0000000000000000 # [ 55.338328] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.344754] CR2: ffffa5c2422b7e18 CR3: 00000001038c8003 CR4: 00000000003706e0 # EXEC_STACK: saw 'call trace:': ok ok 31 selftests: lkdtm: EXEC_STACK.sh # selftests: lkdtm: EXEC_KMALLOC.sh # Killed # [ 55.484889] lkdtm: Performing direct entry EXEC_KMALLOC # [ 55.495479] lkdtm: attempting ok execution at ffffffffb1edf490 # [ 55.508210] lkdtm: attempting bad execution at ffff8bb7c27e51c0 # [ 55.521032] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 55.535601] BUG: unable to handle page fault for address: ffff8bb7c27e51c0 # [ 55.543271] #PF: supervisor instruction fetch in kernel mode # [ 55.549590] #PF: error_code(0x0011) - permissions violation # [ 55.555813] PGD 1da01067 P4D 1da01067 PUD 100856063 PMD 10291e063 PTE 80000001027e5063 # [ 55.564662] Oops: 0011 [#7] SMP PTI # [ 55.574769] CPU: 2 PID: 1701 Comm: cat Tainted: G D W 5.10.150-cip18 #1 # [ 55.583418] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 55.590223] RIP: 0010:0xffff8bb7c27e51c0 # [ 55.594599] Code: 00 00 02 00 00 00 00 00 00 00 40 bb 74 c4 b7 8b ff ff 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 1b 24 70 b1 ff ff ff ff <0f> 1f 44 00 00 c[ 58.651141] lkdtm: Performing direct entry ACCESS_USERSPACE 3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 # [ 55.6155[ 58.657924] lkdtm: attempting bad read at 00007f1e1af9f000 83] RSP: 0018:ffffa5c242337e38 EFLAGS: 00010246 # [ 55.621419[ 58.670267] BUG: unable to handle page fault for address: 00007f1e1af9f000 [ 58.684144] #PF: supervisor read access in kernel mode [ 58.689882] #PF: error_code(0x0001) - permissions violation [ 58.696104] PGD 8000000104ece067 P4D 8000000104ece067 PUD 104f0d067 PMD 1056f2067 PTE 115b24067 [ 58.705823] Oops: 0001 [#12] SMP PTI [ 58.709811] CPU: 0 PID: 1880 Comm: cat Tainted: G D W 5.10.150-cip18 #1 [ 58.718452] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 58.725261] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 [ 58.731481] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 d0 36 f8 b2 e8 e4 99 fd ff 48 c7 c7 f8 36 f8 b2 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 cb 99 fd ff 48 89 ee 48 c7 c7 20 37 f8 [ 58.752467] RSP: 0018:ffffa5c2425efe48 EFLAGS: 00010246 [ 58.758291] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 [ 58.766262] RDX: 0000000000000000 RSI: ffff8bb83ac1bf70 RDI: ffffffffb2f836f8 [ 58.774233] RBP: 00007f1e1af9f000 R08: 0000000000000000 R09: 0000000000000000 [ 58.782196] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 [ 58.790166] R13: ffffa5c2425eff10 R14: ffffa5c2425eff10 R15: ffff8bb7c4e94000 [ 58.798128] FS: 00007f1e1af70580(0000) GS:ffff8bb83ac00000(0000) knlGS:0000000000000000 [ 58.807166] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.813582] CR2: 00007f1e1af9f000 CR3: 0000000105470006 CR4: 00000000003706f0 [ 58.821553] Call Trace: [ 58.824283] direct_entry.cold+0x2c/0x38 [ 58.828658] full_proxy_write+0x53/0x80 [ 58.832947] vfs_write+0xe7/0x3a0 [ 58.836652] ksys_write+0x68/0xf0 [ 58.840350] do_syscall_64+0x30/0x40 [ 58.844345] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 58.849985] RIP: 0033:0x7f1e1ae868f3 [ 58.853973] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 58.874958] RSP: 002b:00007ffe0d003628 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 58.883407] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f1e1ae868f3 [ 58.891377] RDX: 0000000000000011 RSI: 00007f1e1ad79000 RDI: 0000000000000001 [ 58.899348] RBP: 00007f1e1ad79000 R08: 00007f1e1ad78010 R09: 0000000000000000 [ 58.907316] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 58.915285] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 58.923260] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 58.949703] CR2: 00007f1e1af9f000 [ 58.953400] ---[ end trace 77b35145f13bafbd ]--- [ 58.958548] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 58.962924] Code: 89 ff e8 ee b1 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 50 d4 92 02 [ 58.983910] RSP: 0018:ffffa5c24146fe60 EFLAGS: 00010286 [ 58.989744] RAX: ffffffffb1edf0c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 58.997714] RDX: 0000000000000000 RSI: ffff8bb83ac9bf70 RDI: ffffffffb2b9b290 [ 59.005683] RBP: ffffffffb2fddb28 R08: 0000000000000001 R09: 0000000000000001 [ 59.013654] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 59.021624] R13: ffffa5c24146ff10 R14: ffffa5c24146ff10 R15: ffff8bb7c3f8e000 [ 59.029596] FS: 00007f1e1af70580(0000) GS:ffff8bb83ac00000(0000) knlGS:0000000000000000 [ 59.038626] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.045043] CR2: 00007f1e1af9f000 CR3: 0000000105470006 CR4: 00000000003706f0 ] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 55.629380] RDX: 0000000000000000 RSI: ffff8bb83ad1bf70 RDI: ffff8bb83ad1bf70 # [ 55.637350] RBP: ffff8bb7c27e51c0 R08: 0000000000000000 R09: 0000000000000000 # [ 55.645321] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 55.653283] R13: ffffa5c242337f10 R14: ffffa5c242337f10 R15: ffff8bb7c4d9c000 # [ 55.661253] FS: 00007f5e9a905580(0000) GS:ffff8bb83ad00000(0000) knlGS:0000000000000000 # [ 55.670291] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.676706] CR2: ffff8bb7c27e51c0 CR3: 0000000104b46001 CR4: 00000000003706e0 # [ 55.684676] Call Trace: # [ 55.687406] ? execute_location+0x45/0x56 # [ 55.691883] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 # [ 55.702762] ? direct_entry.cold+0x2c/0x38 # [ 55.707333] ? full_proxy_write+0x53/0x80 # [ 55.711809] ? vfs_write+0xe7/0x3a0 # [ 55.715703] ? ksys_write+0x68/0xf0 # [ 55.719596] ? do_syscall_64+0x30/0x40 # [ 55.723782] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 55.729641] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 55.762282] CR2: ffff8bb7c27e51c0 # [ 55.765979] ---[ end trace 77b35145f13bafb8 ]--- # [ 55.771135] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 55.775511] Code: 89 ff e8 ee b1 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 50 d4 92 02 # [ 55.796496] RSP: 0018:ffffa5c24146fe60 EFLAGS: 00010286 # [ 55.802322] RAX: ffffffffb1edf0c0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 55.810284] RDX: 0000000000000000 RSI: ffff8bb83ac9bf70 RDI: ffffffffb2b9b290 # [ 55.818253] RBP: ffffffffb2fddb28 R08: 0000000000000001 R09: 0000000000000001 # [ 55.826223] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 55.834195] R13: ffffa5c24146ff10 R14: ffffa5c24146ff10 R15: ffff8bb7c3[ 59.258939] lkdtm: Performing direct entry ACCESS_NULL f8e000 # [ 55.842165] FS: 00007f5e9a905580(0000) GS:ffff8bb8[ 59.270092] lkdtm: attempting bad read at 0000000000000000 3ad00000(0000) knlGS:0000000000000000 # [ 55.851204] CS: 001[ 59.282437] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 59.296410] #PF: supervisor read access in kernel mode 0 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.857618] CR2:[ 59.302148] #PF: error_code(0x0000) - not-present page [ 59.314100] PGD 0 P4D 0 ffff8bb7c27e51c0 CR3: 0000000104b46001 CR4: 00000000003706e0 #[ 59.316927] Oops: 0000 [#13] SMP PTI [ 59.327131] CPU: 2 PID: 1915 Comm: cat Tainted: G D W 5.10.150-cip18 #1 [ 59.335780] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 59.342588] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 [ 55.865588] BUG: sleeping function called from invalid conte[ 59.347841] Code: 88 99 fd ff be 00 10 00 00 48 89 ef e8 38 8d 3c ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 d0 36 f8 b2 e8 62 99 fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 f8 36 f8 b2 48 01 [ 59.375041] RSP: 0018:ffffa5c242677e58 EFLAGS: 00010246 [ 59.380873] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 [ 59.388843] RDX: 0000000000000000 RSI: ffff8bb83ad1bf70 RDI: ffff8bb83ad1bf70 [ 59.396812] RBP: ffffffffb2f827c1 R08: 0000000000000000 R09: 0000000000000000 [ 59.404794] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c xt at include/linux/percpu-rwsem.h:49 # [ 55.875500] in_atomi[ 59.412769] R13: ffffa5c242677f10 R14: ffffa5c242677f10 R15: ffff8bb7c4146000 [ 59.426951] FS: 00007f8cf4761580(0000) GS:ffff8bb83ad00000(0000) knlGS:0000000000000000 [ 59.435989] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.442404] CR2: 0000000000000000 CR3: 000000010618c006 CR4: 00000000003706e0 [ 59.450371] Call Trace: [ 59.453099] direct_entry.cold+0x2c/0x38 c(): 0, irqs_disabled(): 1, non_block: 0, pid: 1701, name: cat [ 59.457478] full_proxy_write+0x53/0x80 [ 59.467968] vfs_write+0xe7/0x3a0 # [ 55.883954] INFO: lockdep is turned off. # [ 55.888330] [ 59.471667] ksys_write+0x68/0xf0 [ 59.481575] do_syscall_64+0x30/0x40 [ 59.485564] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 59.491195] RIP: 0033:0x7f8cf46778f3 [ 59.495183] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 59.516155] RSP: 002b:00007ffccc8584a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 59.524609] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f8cf46778f3 [ 59.532577] RDX: 000000000000000c RSI: 00007f8cf456a000 RDI: 0000000000000001 [ 59.540543] RBP: 00007f8cf456a000 R08: 00007f8cf4569010 R09: 0000000000000000 [ 59.548509] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 59.556479] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 irq event stamp: 0 # [ 55.891752] hardirqs last enabled at ([ 59.564453] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 59.597091] CR2: 0000000000000000 [ 59.600806] ---[ end trace 77b35145f13bafbe ]--- [ 59.605963] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 59.610339] Code: 89 ff e8 ee b1 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 50 d4 92 02 [ 59.631323] RSP: 0018:ffffa5c24146fe60 EFLAGS: 00010286 [ 59.637157] RAX: ffffffffb1edf0c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 59.645125] RDX: 0000000000000000 RSI: ffff8bb83ac9bf70 RDI: ffffffffb2b9b290 [ 59.653096] RBP: ffffffffb2fddb28 R08: 0000000000000001 R09: 0000000000000001 [ 59.661066] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 59.669035] R13: ffffa5c24146ff10 R14: ffffa5c24146ff10 R15: ffff8bb7c3f8e000 [ 59.677004] FS: 00007f8cf4761580(0000) GS:ffff8bb83ad00000(0000) knlGS:0000000000000000 [ 59.686041] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.692457] CR2: 0000000000000000 CR3: 000000010618c006 CR4: 00000000003706e0 [ 59.700430] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 59.710333] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1915, name: cat [ 59.718808] INFO: lockdep is turned off. [ 59.723176] irq event stamp: 0 [ 59.726580] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 59.733580] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 59.742716] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 59.751853] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 59.758852] CPU: 2 PID: 1915 Comm: cat Tainted: G D W 5.10.150-cip18 #1 [ 59.767502] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 59.774307] Call Trace: [ 59.777035] dump_stack+0x77/0x9b 0): [<0000000000000000>] 0x0 # [ 55.898753] hardirqs last dis[ 59.780754] ___might_sleep.cold+0xa6/0xb6 [ 59.791536] exit_signals+0x1c/0x2e0 [ 59.795524] do_exit+0xd5/0xb00 [ 59.799027] ? ksys_write+0x68/0xf0 [ 59.802920] rewind_stack_do_exit+0x17/0x20 abled at (0): [] copy_process+0x640/0x1c80 # [ 59.807591] RIP: 0033:0x7f8cf46778f3 [ 59.817791] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 59.838771] RSP: 002b:00007ffccc8584a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 59.847226] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f8cf46778f3 [ 59.855192] RDX: 000000000000000c RSI: 00007f8cf456a000 RDI: 0000000000000001 [ 59.863161] RBP: 00007f8cf456a000 R08: 00007f8cf4569010 R09: 0000000000000000 [ 59.871131] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 59.879101] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 55.907889] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 55.917024] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 55.924025] CPU: 2 PID: 1701 Comm: cat Tainted: G D W 5.10.150-cip18 #1 # [ 55.932667] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 55.939472] Call Trace: # [ 55.942201] dump_stack+0x77/0x9b # [ 55.945902] ___might_sleep.cold+0xa6/0xb6 # [ 55.956687] exit_signals+0x1c/0x2e0 # [ 55.960677] do_exit+0xd5/0xb00 # [ 55.970393] ? ksys_write+0x68/0xf0 # [ 55.974278] rewind_stack_do_exit+0x17/0x20 # [ 55.978947] RIP: 0033:0x7f5e9a81b8f3 # [ 55.982934] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 56.003918] RSP: 002b:00007ffe2d3a49e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 56.012373] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f5e9a81b8f3 # [ 56.020343] RDX: 000000000000000d RSI: 00007f5e9a70e000 RDI: 0000000000000001 # [ 56.028312] RBP: 00007f5e9a70e000 R08: 00007f5e9a70d010 R09: 0000000000000000 # [ 56.036282] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 56.044251] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_KMALLOC:[ 60.019058] lkdtm: Performing direct entry WRITE_RO [ 60.029324] lkdtm: attempting bad rodata write at ffffffffb2b9b710 [ 60.036293] BUG: unable to handle page fault for address: ffffffffb2b9b710 saw 'call trace:': ok ok 32 selftests: lkdtm: EXEC_KMALLOC.sh[ 60.043989] #PF: supervisor write access in kernel mode [ 60.056032] #PF: error_code(0x0003) - permissions violation # selftests: lkdtm: EXEC_VMALLOC.sh # Killed # [ 56.189849][ 60.062256] PGD 1c229067 P4D 1c229067 PUD 1c22a063 PMD 800000001ba000e1 [ 60.075956] Oops: 0003 [#14] SMP PTI lkdtm: Performing direct entry EXEC_VMALLOC # [ 56.201045] l[ 60.079946] CPU: 3 PID: 1950 Comm: cat Tainted: G D W 5.10.150-cip18 #1 [ 60.094809] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 60.101608] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a [ 60.106569] Code: 00 48 c7 c7 b0 35 f8 b2 48 c7 c6 10 b7 b9 b2 e8 0c 9c fd ff 48 8b 05 62 d1 65 00 ba 34 12 cd ab 48 c7 c7 e0 35 f8 b2 48 31 d0 <48> 89 05 4c d1 65 00 e9 ea 9b fd ff 0f 1f 44 00 00 48 8b 05 5b fd [ 60.127553] RSP: 0018:ffffa5c24270fe60 EFLAGS: 00010202 [ 60.133388] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 [ 60.141357] RDX: 00000000abcd1234 RSI: ffff8bb83ad9bf70 RDI: ffffffffb2f835e0 [ 60.149326] RBP: ffffffffb2f827cd R08: 0000000000000000 R09: 0000000000000000 [ 60.157296] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 [ 60.165266] R13: ffffa5c24270ff10 R14: ffffa5c24270ff10 R15: ffff8bb7c3f75000 [ 60.173235] FS: 00007fb4986c0580(0000) GS:ffff8bb83ad80000(0000) knlGS:0000000000000000 [ 60.182272] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.188685] CR2: ffffffffb2b9b710 CR3: 00000001039c8001 CR4: 00000000003706e0 [ 60.196656] Call Trace: [ 60.199383] direct_entry.cold+0x2c/0x38 [ 60.203763] full_proxy_write+0x53/0x80 [ 60.208045] vfs_write+0xe7/0x3a0 [ 60.211755] ksys_write+0x68/0xf0 [ 60.215454] do_syscall_64+0x30/0x40 [ 60.219443] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 60.225074] RIP: 0033:0x7fb4985d68f3 [ 60.229061] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 60.250045] RSP: 002b:00007ffcb3eab0e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 60.258501] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007fb4985d68f3 [ 60.266470] RDX: 0000000000000009 RSI: 00007fb4984c9000 RDI: 0000000000000001 [ 60.274438] RBP: 00007fb4984c9000 R08: 00007fb4984c8010 R09: 0000000000000000 [ 60.282408] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 60.290378] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 60.298351] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify kdtm: attempting ok execution at ffffffffb1edf490 # [ 56.2137[ 60.324809] CR2: ffffffffb2b9b710 [ 60.334721] ---[ end trace 77b35145f13bafbf ]--- [ 60.339876] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 60.344245] Code: 89 ff e8 ee b1 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 50 d4 92 02 [ 60.365222] RSP: 0018:ffffa5c24146fe60 EFLAGS: 00010286 [ 60.371047] RAX: ffffffffb1edf0c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 60.379017] RDX: 0000000000000000 RSI: ffff8bb83ac9bf70 RDI: ffffffffb2b9b290 [ 60.386986] RBP: ffffffffb2fddb28 R08: 0000000000000001 R09: 0000000000000001 [ 60.394958] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 60.402927] R13: ffffa5c24146ff10 R14: ffffa5c24146ff10 R15: ffff8bb7c3f8e000 [ 60.410897] FS: 00007fb4986c0580(0000) GS:ffff8bb83ad80000(0000) knlGS:0000000000000000 [ 60.419935] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.426350] CR2: ffffffffb2b9b710 CR3: 00000001039c8001 CR4: 00000000003706e0 77] lkdtm: attempting bad execution at ffffa5c240355000 # [ 56.226633] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 56.241165] BUG: unable to handle page fault for address: ffffa5c240355000 # [ 56.248844] #PF: supervisor instruction fetch in kernel mode # [ 56.255162] #PF: error_code(0x0011) - permissions violation # [ 56.261384] PGD 100000067 P4D 100000067 PUD 10020b067 PMD 100983067 PTE 80000001060eb063 # [ 56.270432] Oops: 0011 [#8] SMP PTI # [ 56.274315] CPU: 0 PID: 1737 Comm: cat Tainted: G D W 5.10.150-cip18 #1 # [ 56.282957] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 56.289764] RIP: 0010:0xffffa5c240355000 # [ 56.294141] Code: Unable to access opcode bytes at RIP 0xffffa5c240354fd6. # [ 56.301820] RSP: 0018:ffffa5c2423dfe38 EFLAGS: 00010246 # [ 56.307655] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 56.315626] RDX: 0000000000000000 RSI: ffff8bb83ac1bf70 RDI: ffff8bb83ac1bf70 # [ 56.323595] RBP: ffffa5c240355000 R08: 0000000000000000 R09: 0000000000000000 # [ 56.331566] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 56.339536] R13: ffffa5c2423dff10 R14: ffffa5c2423dff10 R15: ffff8bb7c60eb000 # [ 56.347509] FS: 00007fbd54ed8580(0000) GS:ffff8bb83ac00000(0000) knlGS:0000000000000000 # [ 56.356549] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.362957] CR2: ffffa5c240354fd6 CR3: 0000000103e98004 CR4: 00000000003706f0 # [ 56.370928] Call Trace: # [ 56.373659] ? execute_location+0x45/0x56 # [ 56.378141] ? lkdtm_EXEC_VMALLOC+0x20/0x30 # [ 56.382815] ? direct_entry.cold+0x2c/0x38 # [ 56.387380] ? full_proxy_writ[ 60.599426] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT [ 60.608705] lkdtm: attempting bad ro_after_init write at ffffffffb2ffe330 [ 60.616313] BUG: unable to handle page fault for address: ffffffffb2ffe330 [ 60.624000] #PF: supervisor write access in kernel mode [ 60.629835] #PF: error_code(0x0003) - permissions violation [ 60.636056] PGD 1c229067 P4D 1c229067 PUD 1c22a063 PMD 800000001be000e1 [ 60.643544] Oops: 0003 [#15] SMP PTI [ 60.647534] CPU: 3 PID: 1985 Comm: cat Tainted: G D W 5.10.150-cip18 #1 [ 60.656182] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 60.662989] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a [ 60.669014] Code: 36 f8 b2 e9 be 9b fd ff 48 c7 c7 38 36 f8 b2 e8 b2 9b fd ff 48 8b 05 28 fd ab 00 ba 34 12 cd ab 48 c7 c7 e0 35 f8 b2 48 31 d0 <48> 89 05 12 fd ab 00 e9 90 9b fd ff 0f 1f 44 00 00 41 54 48 c7 c7 [ 60.689999] RSP: 0018:ffffa5c24278fe60 EFLAGS: 00010202 [ 60.695832] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 [ 60.703804] RDX: 00000000abcd1234 RSI: ffff8bb83ad9bf70 RDI: ffffffffb2f835e0 [ 60.711773] RBP: ffffffffb2f827d6 R08: 0000000000000000 R09: 0000000000000000 [ 60.719756] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 [ 60.727742] R13: ffffa5c24278ff10 R14: ffffa5c24278ff10 R15: ffff8bb7c27fb000 [ 60.735722] FS: 00007f6cf7995580(0000) GS:ffff8bb83ad80000(0000) knlGS:0000000000000000 [ 60.744760] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.751176] CR2: ffffffffb2ffe330 CR3: 00000001038d4004 CR4: 00000000003706e0 [ 60.759147] Call Trace: [ 60.761874] direct_entry.cold+0x2c/0x38 [ 60.766245] full_proxy_write+0x53/0x80 [ 60.770527] vfs_write+0xe7/0x3a0 [ 60.774226] ksys_write+0x68/0xf0 [ 60.777925] do_syscall_64+0x30/0x40 [ 60.781914] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 60.787554] RIP: 0033:0x7f6cf78ab8f3 [ 60.791543] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 60.812527] RSP: 002b:00007ffc221c25f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 60.820985] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f6cf78ab8f3 [ 60.828954] RDX: 0000000000000014 RSI: 00007f6cf779e000 RDI: 0000000000000001 [ 60.836923] RBP: 00007f6cf779e000 R08: 00007f6cf779d010 R09: 0000000000000000 [ 60.844892] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 60.852861] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 60.860837] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify e+0x53/0x80 # [ 56.391862] ? vfs_write+0xe7/0x3a0 # [ 56.[ 60.887288] CR2: ffffffffb2ffe330 [ 60.897197] ---[ end trace 77b35145f13bafc0 ]--- [ 60.902351] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 60.906744] Code: 89 ff e8 ee b1 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 50 d4 92 02 395761] ? ksys_write+0x68/0xf0 # [ 56.399654] ? do_syscall_[ 60.927734] RSP: 0018:ffffa5c24146fe60 EFLAGS: 00010286 [ 60.939779] RAX: ffffffffb1edf0c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 60.947756] RDX: 0000000000000000 RSI: ffff8bb83ac9bf70 RDI: ffffffffb2b9b290 [ 60.955725] RBP: ffffffffb2fddb28 R08: 0000000000000001 R09: 0000000000000001 [ 60.963722] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 60.971691] R13: ffffa5c24146ff10 R14: ffffa5c24146ff10 R15: ffff8bb7c3f8e000 [ 60.979660] FS: 00007f6cf7995580(0000) GS:ffff8bb83ad80000(0000) knlGS:0000000000000000 [ 60.988699] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.995114] CR2: ffffffffb2ffe330 CR3: 00000001038d4004 CR4: 00000000003706e0 64+0x30/0x40 # [ 56.403844] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 56.409683] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 56.436126] CR2: ffffa5c240355000 # [ 56.439822] ---[ end trace 77b35145f13bafb9 ]--- # [ 56.444976] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 56.449343] Code: 89 ff e8 ee b1 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 50 d4 92 02 # [ 56.470327] RSP: 0018:ffffa5c24146fe60 EFLAGS: 00010286 # [ 56.476152] RAX: ffffffffb1edf0c0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 56.484121] RDX: 0000000000000000 RSI: ffff8bb83ac9bf70 RDI: ffffffffb2b9b290 # [ 56.492091] RBP: ffffffffb2fddb28 R08: 0000000000000001 R09: 0000000000000001 # [ 56.500061] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 56.508030] R13: ffffa5c24146ff10 R14: ffffa5c24146ff10 R15: ffff8bb7c3f8e000 # [ 56.516001] FS: 00007fbd54ed8580(0000) GS:ffff8bb83ac00000(0000) knlGS:0000000000000000 # [ 56.525030] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.531447] CR2: ffffa5c240354fd6 CR3: 0000000103e98004 CR4: 00000000003706f0 # EXEC_VMALLOC: saw 'call trace:': ok ok 33 selftests: lkdtm: EXEC_VMALLOC.sh # selftests: lkdtm: EXEC_RODATA.sh # Killed # [ 56.695418] lkdtm: Performing direct entry EXEC_RODATA # [ 56.706807] lkdtm: attempting ok execution at ffffffffb1edf490 # [ 56.719552] lkdtm: attempting bad execution at ffffffffb2b9b720 # [ 56.732356] kernel tri[ 61.176673] lkdtm: Performing direct entry WRITE_KERN ed to execute NX-protected page - exploit attempt? (uid: 0) # [[ 61.182829] lkdtm: attempting bad 6680728 byte write at ffffffffb253e528 56.746911] BUG: unable to handle page fault for address: ffff[ 61.196529] BUG: unable to handle page fault for address: ffffffffb253e528 [ 61.210399] #PF: supervisor write access in kernel mode [ 61.216233] #PF: error_code(0x0003) - permissions violation [ 61.222457] PGD 1c229067 P4D 1c229067 PUD 1c22a063 PMD 1b4000e1 [ 61.229165] Oops: 0003 [#16] SMP PTI [ 61.233154] CPU: 0 PID: 2020 Comm: cat Tainted: G D W 5.10.150-cip18 #1 [ 61.241795] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 61.248603] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e [ 61.253763] Code: 53 48 c7 c3 28 e5 53 b2 49 89 dc 48 89 da 49 81 ec 90 f4 ed b1 4c 89 e6 e8 65 9b fd ff 48 89 df 4c 89 e1 48 c7 c6 90 f4 ed b1 a4 48 c7 c7 e0 35 f8 b2 e8 4a 9b fd ff 5b 41 5c e9 b7 fe ff ff [ 61.274738] RSP: 0018:ffffa5c242847e50 EFLAGS: 00010246 [ 61.280572] RAX: 000000000000003c RBX: ffffffffb253e528 RCX: 000000000065f098 [ 61.288542] RDX: 0000000000000000 RSI: ffffffffb1edf490 RDI: ffffffffb253e528 [ 61.296512] RBP: ffffffffb2f827ea R08: 0000000000000000 R09: 0000000000000000 [ 61.304482] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000065f098 [ 61.312453] R13: ffffa5c242847f10 R14: ffffa5c242847f10 R15: ffff8bb7c3ec6000 [ 61.320424] FS: 00007f61bc90f580(0000) GS:ffff8bb83ac00000(0000) knlGS:0000000000000000 [ 61.329464] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.335880] CR2: ffffffffb253e528 CR3: 0000000103eca002 CR4: 00000000003706f0 [ 61.343850] Call Trace: [ 61.346579] direct_entry.cold+0x2c/0x38 [ 61.350965] full_proxy_write+0x53/0x80 [ 61.355253] vfs_write+0xe7/0x3a0 [ 61.358957] ksys_write+0x68/0xf0 [ 61.362657] do_syscall_64+0x30/0x40 [ 61.366654] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 61.372293] RIP: 0033:0x7f61bc8258f3 [ 61.376283] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 61.397260] RSP: 002b:00007ffee22ab408 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 61.405717] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f61bc8258f3 [ 61.413688] RDX: 000000000000000b RSI: 00007f61bc718000 RDI: 0000000000000001 [ 61.421659] RBP: 00007f61bc718000 R08: 00007f61bc717010 R09: 0000000000000000 [ 61.429630] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 61.437601] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 61.445578] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 61.472022] CR2: ffffffffb253e528 [ 61.475711] ---[ end trace 77b35145f13bafc1 ]--- [ 61.480867] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 61.485246] Code: 89 ff e8 ee b1 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 50 d4 92 02 [ 61.506230] RSP: 0018:ffffa5c24146fe60 EFLAGS: 00010286 [ 61.512064] RAX: ffffffffb1edf0c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 61.520035] RDX: 0000000000000000 RSI: ffff8bb83ac9bf70 RDI: ffffffffb2b9b290 [ 61.528004] RBP: ffffffffb2fddb28 R08: 0000000000000001 R09: 0000000000000001 [ 61.535974] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 61.543946] R13: ffffa5c24146ff10 R14: ffffa5c24146ff10 R15: ffff8bb7c3f8e000 [ 61.551916] FS: 00007f61bc90f580(0000) GS:ffff8bb83ac00000(0000) knlGS:0000000000000000 [ 61.560954] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.567369] CR2: ffffffffb253e528 CR3: 0000000103eca002 CR4: 00000000003706f0 [ 61.575338] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 61.585250] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 2020, name: cat [ 61.593706] INFO: lockdep is turned off. [ 61.598083] irq event stamp: 0 [ 61.601488] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 61.608489] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 61.617626] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 61.626761] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 61.633760] CPU: 0 PID: 2020 Comm: cat Tainted: G D W 5.10.150-cip18 #1 [ 61.642409] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 61.649213] Call Trace: [ 61.651942] dump_stack+0x77/0x9b [ 61.655647] ___might_sleep.cold+0xa6/0xb6 [ 61.660220] exit_signals+0x1c/0x2e0 [ 61.664209] do_exit+0xd5/0xb00 [ 61.667703] ? ksys_write+0x68/0xf0 [ 61.671596] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 [ 61.677041] rewind_stack_do_exit+0x17/0x20 [ 61.681699] RIP: 0033:0x7f61bc8258f3 [ 61.685688] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 61.706674] RSP: 002b:00007ffee22ab408 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 61.715123] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f61bc8258f3 [ 61.723083] RDX: 000000000000000b RSI: 00007f61bc718000 RDI: 0000000000000001 [ 61.731053] RBP: 00007f61bc718000 R08: 00007f61bc717010 R09: 0000000000000000 [ 61.739025] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 61.746995] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ffffb2b9b720 # [ 56.754590] #PF: supervisor instruction fetch in kernel mode # [ 56.760908] #PF: error_code(0x0011) - permissions violation # [ 56.767128] PGD 1c229067 P4D 1c229067 PUD 1c22a063 PMD 800000001ba000e1 # [ 56.774621] Oops: 0011 [#9] SMP PTI # [ 56.778514] CPU: 0 PID: 1773 Comm: cat Tainted: G D W 5.10.150-cip18 #1 # [ 56.787161] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 56.793970] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 # [ 56.799711] Code: ff ff 1d fb 53 b2 ff ff ff ff b2 29 f8 b2 ff ff ff ff 63 e2 53 b2 ff ff ff ff 55 aa 55 aa 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 54 68 69 73 20 69 # [ 56.820695] RSP: 0018:ffffa5c24244fe48 EFLAGS: 00010246 # [ 56.826527] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 56.834497] RDX: 0000000000000000 RSI: ffff8bb83ac1bf70 RDI: ffff8bb83ac1bf70 # [ 56.842466] RBP: ffffffffb2b9b720 R08: 0000000000000000 R09: 0000000000000000 # [ 56.850434] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 56.858403] R13: ffffa5c24244ff10 R14: ffffa5c24244ff10 R15: ffff8bb7c3c08000 # [ 56.866373] FS: 00007ffbcaaea580(0000) GS:ffff8bb83ac00000(0000) knlGS:0000000000000000 # [ 56.875411] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.881818] CR2: ffffffffb2b9b720 CR3: 000000010[ 61.886686] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW [ 61.898494] lkdtm: attempting good refcount_inc() without overflow [ 61.905409] lkdtm: attempting bad refcount_inc() overflow [ 61.911448] ------------[ cut here ]------------ [ 61.916604] refcount_t: saturated; leaking memory. [ 61.921982] WARNING: CPU: 3 PID: 2055 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 4e2e002 CR4: 00000000003706f0 # [ 56.889787] Call Trace: # [[ 61.931416] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 61.964059] CPU: 3 PID: 2055 Comm: cat Tainted: G D W 5.10.150-cip18 #1 56.892517] ? execute_location+0x45/0x56 # [ 56.896997] ?[ 61.972756] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 61.985795] RIP: 0010:refcount_warn_saturate+0x51/0x110 [ 61.991662] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d f9 2e 94 01 00 75 ee 48 c7 c7 20 e2 f1 b2 c6 05 e9 2e 94 01 01 e8 fa 7d 95 00 <0f> 0b c3 cc cc cc cc 80 3d d5 2e 94 01 00 75 cb 48 c7 c7 48 e2 f1 [ 62.012651] RSP: 0018:ffffa5c2428c7e48 EFLAGS: 00010286 direct_entry.cold+0x2c/0x38 # [ 56.901570] ? full_proxy_wri[ 62.018490] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 te+0x53/0x80 # [ 56.906052] ? vfs_write+0xe7/0x3a0 # [ 56[ 62.032681] RDX: ffff8bb83adac660 RSI: ffff8bb83ad9bf70 RDI: ffff8bb83ad9bf70 [ 62.046868] RBP: ffffffffb2f827f5 R08: 0000000000000000 R09: 0000000000000000 .909951] ? ksys_write+0x68/0xf0 # [ 56.913844] ? do_syscall[ 62.054839] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 _64+0x30/0x40 # [ 56.918029] ? entry_SYSCALL_64_after_hwfram[ 62.069026] R13: ffffa5c2428c7f10 R14: ffffa5c2428c7f10 R15: ffff8bb7c56ff000 [ 62.083214] FS: 00007fe208d6b580(0000) GS:ffff8bb83ad80000(0000) knlGS:0000000000000000 [ 62.092255] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.098675] CR2: 00007fe208b74000 CR3: 000000010618c001 CR4: 00000000003706e0 [ 62.106648] Call Trace: [ 62.109379] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 e+0x61/0xc6 # [ 56.923867] Modules linked in: fuse ip_tables [ 62.114768] direct_entry.cold+0x2c/0x38 [ 62.125369] full_proxy_write+0x53/0x80 cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buff[ 62.129663] vfs_write+0xe7/0x3a0 [ 62.139573] ksys_write+0x68/0xf0 [ 62.143275] do_syscall_64+0x30/0x40 [ 62.147291] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 62.152935] RIP: 0033:0x7fe208c818f3 [ 62.156926] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 62.177914] RSP: 002b:00007ffc5c1583f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 62.186374] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fe208c818f3 [ 62.194346] RDX: 0000000000000016 RSI: 00007fe208b74000 RDI: 0000000000000001 [ 62.202317] RBP: 00007fe208b74000 R08: 00007fe208b73010 R09: 0000000000000000 [ 62.210291] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 62.218265] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 62.226260] irq event stamp: 0 er kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec[ 62.229675] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 62.242890] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 62.252030] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 62.261169] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 62.268171] ---[ end trace 77b35145f13bafc2 ]--- [ 62.273327] lkdtm: Overflow detected: saturated _chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 56.950310] CR2: ffffffffb2b9b720 # [ 56.954008] ---[ end trace 77b35145f13bafba ]--- # [ 56.959162] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 56.963540] Code: 89 ff e8 ee b1 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 50 d4 92 02 # [ 56.984526] RSP: 0018:ffffa5c24146fe60 EFLAGS: 00010286 # [ 56.990359] RAX: ffffffffb1edf0c0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 56.998330] RDX: 0000000000000000 RSI: ffff8bb83ac9bf70 RDI: ffffffffb2b9b290 # [ 57.006301] RBP: ffffffffb2fddb28 R08: 0000000000000001 R09: 0000000000000001 # [ 57.014270] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 57.022240] R13: ffffa5c24146ff10 R14: ffffa5c24146ff10 R15: ffff8bb7c3f8e000 # [ 57.030211] FS: 00007ffbcaaea580(0000) GS:ffff8bb83ac00000(0000) knlGS:0000000000000000 # [ 57.039250] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.045665] CR2: ffffffffb2b9b720 CR3: 0000000104e2e002 CR4: 00000000003706f0 # [ 57.053635] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 57.063548] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1773, name: cat # [ 57.072004] INFO: lockdep is turned off. # [ 57.076381] irq event stamp: 0 # [ 57.079787] hardirqs last enabled at (0): [<0000000000000000>] 0x0 #[ 62.421779] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW [ 57.086787] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 57.095925] softirqs last e[ 62.447567] lkdtm: attempting bad refcount_add() overflow nabled at (0): [] copy_process+0x640/0x1c80 #[ 62.459800] ------------[ cut here ]------------ [ 57.105052] softirqs last disabled at (0): [<000000000000000[ 62.471143] refcount_t: saturated; leaking memory. 0>] 0x0 # [ 57.112052] CPU: 0 PID: 1773 Comm: cat Tainted: G [ 62.482776] WARNING: CPU: 0 PID: 2087 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 D W 5.10.150-cip18 #1 # [ 57.120703] Hardware na[ 62.498423] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify me: Google Rammus/Rammus, BIOS 09/04/2020 # [ 57.127507] Cal[ 62.531060] CPU: 0 PID: 2087 Comm: cat Tainted: G D W 5.10.150-cip18 #1 l Trace: # [ 57.130236] dump_stack+0x77/0x9b # [ 57.13393[ 62.545932] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 1] ___might_sleep.cold+0xa6/0xb6 # [ 57.138504] exit_signal[ 62.558963] RIP: 0010:refcount_warn_saturate+0x51/0x110 s+0x1c/0x2e0 # [ 57.142499] do_exit+0xd5/0xb00 # [ 57.145[ 62.571037] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d f9 2e 94 01 00 75 ee 48 c7 c7 20 e2 f1 b2 c6 05 e9 2e 94 01 01 e8 fa 7d 95 00 <0f> 0b c3 cc cc cc cc 80 3d d5 2e 94 01 00 75 cb 48 c7 c7 48 e2 f1 994] ? ksys_write+0x68/0xf0 # [ 57.149880] rewind_stack_do_[ 62.598247] RSP: 0018:ffffa5c24295fe48 EFLAGS: 00010286 exit+0x17/0x20 # [ 57.154554] RIP: 0033:0x7ffbcaa008f3 # [ [ 62.610285] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 57.158543] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff f[ 62.624514] RDX: ffff8bb83ac2c660 RSI: ffff8bb83ac1bf70 RDI: ffff8bb83ac1bf70 f ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01[ 62.638691] RBP: ffffffffb2f8280b R08: 0000000000000000 R09: 0000000000000000 [ 62.652879] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 e[ 62.660882] R13: ffffa5c24295ff10 R14: ffffa5c24295ff10 R15: ffff8bb7c3073000 c 28 48 89 54 24 18 # [ 57.179519] RSP: 002b:00007ffcbbded9a8[ 62.675062] FS: 00007f7032c2a580(0000) GS:ffff8bb83ac00000(0000) knlGS:0000000000000000 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 57.187977] R[ 62.690325] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 AX: ffffffffffffffda RBX: 000000000000000c RCX: 00007ffbcaa008f3[ 62.702946] CR2: 00007f7032a33000 CR3: 00000001061dc002 CR4: 00000000003706f0 # [ 57.195940] RDX: 000000000000000c RSI: 00007ffbca8f3000 R[ 62.717168] Call Trace: DI: 0000000000000001 # [ 57.203908] RBP: 00007ffbca8f3000 R08[ 62.726177] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 : 00007ffbca8f2010 R09: 0000000000000000 # [ 57.211876] R10: [ 62.737705] direct_entry.cold+0x2c/0x38 fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 62.748329] full_proxy_write+0x53/0x80 [ 57.219846] R13: 0000000000000001 R14: 0000000000020000 R15: [ 62.758821] vfs_write+0xe7/0x3a0 0000000000020000 # EXEC_RODATA: saw 'call trace:': ok ok 34 se[ 62.768783] ksys_write+0x68/0xf0 lftests: lkdtm: EXEC_RODATA.sh # selftests: lkdtm: EXEC_USERSPA[ 62.778705] do_syscall_64+0x30/0x40 CE.sh # Killed # [ 57.415042] lkdtm: Performing direct entry[ 62.788921] entry_SYSCALL_64_after_hwframe+0x61/0xc6 EXEC_USERSPACE # [ 57.426653] lkdtm: attempting ok execution[ 62.800778] RIP: 0033:0x7f7032b408f3 at ffffffffb1edf490 # [ 57.439397] lkdtm: attempting bad exe[ 62.810995] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 cution at 00007f4223b84000 # [ 57.452233] unable to execute u[ 62.838197] RSP: 002b:00007ffedce998a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 serspace code (SMEP?) (uid: 0) # [ 57.464846] BUG: unable to [ 62.852911] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f7032b408f3 handle page fault for address: 00007f4223b84000 # [ 57.472525[ 62.867097] RDX: 0000000000000016 RSI: 00007f7032a33000 RDI: 0000000000000001 ] #PF: supervisor instruction fetch in kernel mode # [ 57.478[ 62.881309] RBP: 00007f7032a33000 R08: 00007f7032a32010 R09: 0000000000000000 857] #PF: error_code(0x0011) - permissions violation # [ 57.4[ 62.895515] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 85087] PGD 8000000104f0d067 P4D 8000000104f0d067 PUD 104138067 P[ 62.909732] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 MD 1026dd067 PTE 114ce5067 # [ 57.501022] Oops: 0011 [#10] SM[ 62.923974] irq event stamp: 0 P PTI # [ 57.505013] CPU: 2 PID: 1809 Comm: cat Tainted: G [ 62.933591] hardirqs last enabled at (0): [<0000000000000000>] 0x0 D W 5.10.150-cip18 #1 # [ 57.513664] Hardware name[ 62.946818] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 : Google Rammus/Rammus, BIOS 09/04/2020 # [ 57.520470] RIP: [ 62.962196] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 0010:0x7f4223b84000 # [ 57.524458] Code: Unable to access opc[ 62.977561] softirqs last disabled at (0): [<0000000000000000>] 0x0 ode bytes at RIP 0x7f4223b83fd6. # [ 57.531760] RSP: 0018:fff[ 62.990834] ---[ end trace 77b35145f13bafc3 ]--- fa5c2424efe50 EFLAGS: 00010246 # [ 57.537593] RAX: 0000000000[ 63.002243] lkdtm: Overflow detected: saturated 000033 RBX: 0000000000000024 RCX: 0000000000000000 # [ 57.545562] RDX: 0000000000000000 RSI: ffff8bb83ad1bf70 RDI: ffff8bb83ad1bf70 # [ 57.553531] RBP: 00007f4223b84000 R08: 0000000000000000 R09: 0000000000000000 # [ 57.561500] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f # [ 57.569469] R13: ffffa5c2424eff10 R14: ffffa5c2424eff10 R15: ffff8bb7c3c86000 # [ 57.577438] FS: 00007f4223b55580(0000) GS:ffff8bb83ad00000(0000) knlGS:0000000000000000 # [ 57.586477] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.592895] CR2: 00007f4223b84000 CR3: 0000000103ecc006 CR4: 00000000003706e0 # [ 57.600865] Call Trace: # [ 57.603588] ? lkdtm_EXEC_USERSPACE.cold+0x66/0xae # [ 57.608938] ? direct_entry.cold+0x2c/0x38 # [ 57.619726] ? full_proxy_write+0x53/0x80 # [ 57.624228] ? vfs_write+0xe7/0x3a0 # [ 57.634332] ? ksys_write+0x68/0xf0 # [ 57.638225] ? do_syscall_64+0x30/0x40 # [ 57.642410] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 57.648246] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cr[ 63.129086] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW [ 63.139093] lkdtm: attempting bad refcount_inc_not_zero() overflow os_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_noti[ 63.146023] ------------[ cut here ]------------ [ 63.157392] refcount_t: saturated; leaking memory. [ 63.162782] WARNING: CPU: 3 PID: 2119 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 [ 63.172254] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify fy # [ 57.680883] CR2: 00007f4223b84000 # [ 57.684579] ---[ 63.198707] CPU: 3 PID: 2119 Comm: cat Tainted: G D W 5.10.150-cip18 #1 [ 63.213566] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 63.220374] RIP: 0010:refcount_warn_saturate+0x97/0x110 [ 63.226210] Code: 01 01 e8 d7 7d 95 00 0f 0b c3 cc cc cc cc 80 3d b4 2e 94 01 00 75 a8 48 c7 c7 20 e2 f1 b2 c6 05 a4 2e 94 01 01 e8 b4 7d 95 00 <0f> 0b c3 cc cc cc cc 80 3d 8e 2e 94 01 00 75 85 48 c7 c7 78 e2 f1 [ 63.247193] RSP: 0018:ffffa5c2429f7e38 EFLAGS: 00010282 [ 63.253028] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 [ 63.260999] RDX: ffff8bb83adac660 RSI: ffff8bb83ad9bf70 RDI: ffff8bb83ad9bf70 [ 63.268971] RBP: ffffffffb2f82448 R08: 0000000000000000 R09: 0000000000000000 [ 63.276940] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ end trace 77b35145f13bafbb ]--- # [ 57.689756] RIP: 0010:lk[ 63.284912] R13: ffffa5c2429f7f10 R14: ffffa5c2429f7f10 R15: ffff8bb7c387d000 dtm_BUG+0x5/0x10 # [ 57.694133] Code: 89 ff e8 ee b1 a3 ff 48[ 63.299102] FS: 00007f3eeab61580(0000) GS:ffff8bb83ad80000(0000) knlGS:0000000000000000 [ 63.314359] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.320779] CR2: 00007f3eea96a000 CR3: 0000000104cfe004 CR4: 00000000003706e0 [ 63.328809] Call Trace: [ 63.331541] __refcount_add_not_zero.constprop.0+0x2a/0x35 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 [ 63.337693] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 [ 63.350128] direct_entry.cold+0x2c/0x38 [ 63.354533] full_proxy_write+0x53/0x80 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00[ 63.358820] vfs_write+0xe7/0x3a0 [ 63.368726] ksys_write+0x68/0xf0 [ 63.372451] do_syscall_64+0x30/0x40 [ 63.376442] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 63.382084] RIP: 0033:0x7f3eeaa778f3 [ 63.386076] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 63.407062] RSP: 002b:00007fffa910b748 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 63.415522] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f3eeaa778f3 [ 63.423494] RDX: 000000000000001f RSI: 00007f3eea96a000 RDI: 0000000000000001 [ 63.431467] RBP: 00007f3eea96a000 R08: 00007f3eea969010 R09: 0000000000000000 [ 63.439442] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 63.447414] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 63.455391] irq event stamp: 0 00 00 00 0f 1f 44 00 00 83 05 50 d4 92 02 # [ 57.721330] RSP[ 63.458824] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 63.472037] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 63.481175] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 63.490313] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 63.497314] ---[ end trace 77b35145f13bafc4 ]--- [ 63.502470] lkdtm: Overflow detected: saturated : 0018:ffffa5c24146fe60 EFLAGS: 00010286 # [ 57.727164] RAX: ffffffffb1edf0c0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 57.735134] RDX: 0000000000000000 RSI: ffff8bb83ac9bf70 RDI: ffffffffb2b9b290 # [ 57.743100] RBP: ffffffffb2fddb28 R08: 0000000000000001 R09: 0000000000000001 # [ 57.751070] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 57.759039] R13: ffffa5c24146ff10 R14: ffffa5c24146ff10 R15: ffff8bb7c3f8e000 # [ 57.767010] FS: 00007f4223b55580(0000) GS:ffff8bb83ad00000(0000) knlGS:0000000000000000 # [ 57.776046] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.782461] CR2: 00007f4223b84000 CR3: 0000000103ecc006 CR4: 00000000003706e0 # EXEC_USERSPACE: saw 'call trace:': ok ok 35 selftests: lkdtm: EXEC_USERSPACE.sh # selftests: lkdtm: EXEC_NULL.sh # Killed # [ 57.945046] lkdtm: Performing direct entry EXEC_NULL # [ 57.951354] lkdtm: attempting ok execution at ffffffffb1edf490 # [ 57.957882] lkdtm: attempting bad execution at 0000000000000000 # [ 57.964511] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 57.972292] #PF: supervisor instruction fetch in kernel mode # [ 57.978612] #PF: error_code(0x0010) - not-present page # [ 57.984347] PGD 0 P4D 0 # [ 57.987172] Oops: 0010 [#11] SMP PTI # [ 57.991153] CPU: 3 PID: 1845 Comm: cat Tainted: G D W 5.10.150-cip18 #1[ 63.639816] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW [ 63.651905] lkdtm: attempting bad refcount_add_not_zero() overflow [ 63.658855] ------------[ cut here ]------------ [ 63.664064] refcount_t: saturated; leaking memory. [ 63.669475] WARNING: CPU: 1 PID: 2151 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 57.999805] Hardware name: Google Rammus/Rammus, BIOS 09[ 63.678914] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 63.711547] CPU: 1 PID: 2151 Comm: cat Tainted: G D W 5.10.150-cip18 #1 [ 63.720231] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 63.727040] RIP: 0010:refcount_warn_saturate+0x97/0x110 [ 63.732879] Code: 01 01 e8 d7 7d 95 00 0f 0b c3 cc cc cc cc 80 3d b4 2e 94 01 00 75 a8 48 c7 c7 20 e2 f1 b2 c6 05 a4 2e 94 01 01 e8 b4 7d 95 00 <0f> 0b c3 cc cc cc cc 80 3d 8e 2e 94 01 00 75 85 48 c7 c7 78 e2 f1 [ 63.753894] RSP: 0018:ffffa5c242a5fe38 EFLAGS: 00010282 [ 63.759759] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 /04/2020 # [ 58.006612] RIP: 0010:0x0 # [ 58.009533] Code:[ 63.767742] RDX: ffff8bb83acac660 RSI: ffff8bb83ac9bf70 RDI: ffff8bb83ac9bf70 [ 63.781921] RBP: ffffffffb2f82468 R08: 0000000000000000 R09: 0000000000000000 [ 63.789926] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 63.797899] R13: ffffa5c242a5ff10 R14: ffffa5c242a5ff10 R15: ffff8bb7c41d1000 [ 63.805871] FS: 00007fbebba56580(0000) GS:ffff8bb83ac80000(0000) knlGS:0000000000000000 [ 63.814911] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.821331] CR2: 00007fbebb85f000 CR3: 00000001054e2005 CR4: 00000000003706e0 [ 63.829307] Call Trace: [ 63.832039] __refcount_add_not_zero.constprop.0+0x2a/0x35 Unable to access opcode bytes at RIP 0xffffffffffffffd6. # [ [ 63.838197] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 [ 63.850626] direct_entry.cold+0x2c/0x38 [ 63.855040] full_proxy_write+0x53/0x80 [ 63.859355] vfs_write+0xe7/0x3a0 [ 63.863089] ksys_write+0x68/0xf0 [ 63.866820] do_syscall_64+0x30/0x40 [ 63.870821] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 63.876494] RIP: 0033:0x7fbebb96c8f3 [ 63.880487] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 63.901502] RSP: 002b:00007ffff85fa278 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 63.909986] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fbebb96c8f3 [ 63.917960] RDX: 000000000000001f RSI: 00007fbebb85f000 RDI: 0000000000000001 58.017205] RSP: 0018:ffffa5c24258fe48 EFLAGS: 00010246 # [ 5[ 63.925935] RBP: 00007fbebb85f000 R08: 00007fbebb85e010 R09: 0000000000000000 8.023029] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 00000[ 63.940126] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 63.954316] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 63.962342] irq event stamp: 0 00000000000 # [ 58.030999] RDX: 0000000000000000 RSI: ffff8bb[ 63.965759] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 63.978972] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 63.988135] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 83ad9bf70 RDI: ffff8bb83ad9bf70 # [ 58.038966] RBP: 000000000[ 63.997273] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 64.010483] ---[ end trace 77b35145f13bafc5 ]--- [ 64.015640] lkdtm: Overflow detected: saturated 0000000 R08: 0000000000000000 R09: 0000000000000000 # [ 58.046934] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 58.054904] R13: ffffa5c24258ff10 R14: ffffa5c24258ff10 R15: ffff8bb7c61e3000 # [ 58.062874] FS: 00007f06ab0a9580(0000) GS:ffff8bb83ad80000(0000) knlGS:0000000000000000 # [ 58.071914] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 58.078330] CR2: ffffffffffffffd6 CR3: 000000010292e001 CR4: 00000000003706e0 # [ 58.086298] Call Trace: # [ 58.089026] execute_location+0x45/0x56 # [ 58.093307] direct_entry.cold+0x2c/0x38 # [ 58.097679] full_proxy_write+0x53/0x80 # [ 58.108180] vfs_write+0xe7/0x3a0 # [ 58.111880] ksys_write+0x68/0xf0 # [ 58.121793] do_syscall_64+0x30/0x40 # [ 58.125783] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 58.137635] RIP: 0033:0x7f06aafbf8f3 # [ 58.141623] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 58.162609] RSP: 002b:00007ffc75f7de28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 58.171057] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f06aafbf8f3 # [ 58.179027] RDX: 000000000000000a RSI: 00007f06aaeb2000 RDI: 0000000000000001 # [ [ 64.148643] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO 58.186998] RBP: 00007f06aaeb2000 R08: 00007f06aaeb1010 R09: 0000[ 64.157566] lkdtm: attempting good refcount_dec() 000000000000 # [ 58.194969] R10: fffffffffffffbc5 R11: 000000[ 64.169039] lkdtm: attempting bad refcount_dec() to zero 0000000246 R12: 0000000000000001 # [ 58.202938] R13: 00000000[ 64.181189] ------------[ cut here ]------------ 00000001 R14: 0000000000020000 R15: 0000000000020000 # [ 58.2[ 64.192560] refcount_t: decrement hit 0; leaking memory. 10912] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec[ 64.204743] WARNING: CPU: 2 PID: 2183 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 _sensors_core industrialio_triggered_buffer kfifo_buf industrial[ 64.220361] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify io cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugf[ 64.253006] CPU: 2 PID: 2183 Comm: cat Tainted: G D W 5.10.150-cip18 #1 s cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_[ 64.267907] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 notify # [ 58.237368] CR2: 0000000000000000 # [ 58.247280][ 64.280918] RIP: 0010:refcount_warn_saturate+0xfb/0x110 ---[ end trace 77b35145f13bafbc ]--- # [ 58.252426] RIP: 001[ 64.292949] Code: d0 e2 f1 b2 c6 05 55 2e 94 01 01 e8 6a 7d 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 a0 e2 f1 b2 c6 05 3c 2e 94 01 01 e8 50 7d 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 0:lkdtm_BUG+0x5/0x10 # [ 58.256806] Code: 89 ff e8 ee b1 a3 f[ 64.320148] RSP: 0018:ffffa5c242affe48 EFLAGS: 00010286 f 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc[ 64.332202] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 0[ 64.346393] RDX: ffff8bb83ad2c660 RSI: ffff8bb83ad1bf70 RDI: ffff8bb83ad1bf70 0 00 00 00 00 0f 1f 44 00 00 83 05 50 d4 92 02 # [ 58.277807][ 64.360583] RBP: ffffffffb2f82821 R08: 0000000000000000 R09: 0000000000000000 RSP: 0018:ffffa5c24146fe60 EFLAGS: 00010286 # [ 58.283639] R[ 64.374772] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 AX: ffffffffb1edf0c0 RBX: 0000000000000001 RCX: 0000000000000000[ 64.388960] R13: ffffa5c242afff10 R14: ffffa5c242afff10 R15: ffff8bb7c2720000 # [ 58.291608] RDX: 0000000000000000 RSI: ffff8bb83ac9bf70 R[ 64.403148] FS: 00007f88e9de3580(0000) GS:ffff8bb83ad00000(0000) knlGS:0000000000000000 DI: ffffffffb2b9b290 # [ 58.299576] RBP: ffffffffb2fddb28 R08[ 64.418402] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 : 0000000000000001 R09: 0000000000000001 # [ 58.307546] R10: [ 64.431036] CR2: 00007f88e9bec000 CR3: 00000001026f4003 CR4: 00000000003706e0 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 64.445227] Call Trace: [ 58.315514] R13: ffffa5c24146ff10 R14: ffffa5c24146ff10 R15: [ 64.454177] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd ffff8bb7c3f8e000 # [ 58.323485] FS: 00007f06ab0a9580(0000) G[ 64.465356] direct_entry.cold+0x2c/0x38 S:ffff8bb83ad80000(0000) knlGS:0000000000000000 # [ 58.332523[ 64.475951] full_proxy_write+0x53/0x80 ] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 58.33[ 64.486450] vfs_write+0xe7/0x3a0 8939] CR2: ffffffffffffffd6 CR3: 000000010292e001 CR4: 000000000[ 64.496367] ksys_write+0x68/0xf0 03706e0 # [ 58.346910] BUG: sleeping function called from inv[ 64.506285] do_syscall_64+0x30/0x40 alid context at include/linux/percpu-rwsem.h:49 # [ 58.356821[ 64.516494] entry_SYSCALL_64_after_hwframe+0x61/0xc6 ] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1845, n[ 64.528352] RIP: 0033:0x7f88e9cf98f3 ame: cat # [ 58.365277] INFO: lockdep is turned off. # [ 5[ 64.538557] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 8.369653] irq event stamp: 0 # [ 58.373059] hardirqs last en[ 64.565760] RSP: 002b:00007ffcb2cd74c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 abled at (0): [<0000000000000000>] 0x0 # [ 58.380059] hardirq[ 64.580429] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f88e9cf98f3 s last disabled at (0): [] copy_process+0x640/[ 64.594615] RDX: 0000000000000012 RSI: 00007f88e9bec000 RDI: 0000000000000001 0x1c80 # [ 58.389194] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 58.398328] softirq[ 64.622993] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 s last disabled at (0): [<0000000000000000>] 0x0 # [ 58.40532[ 64.637182] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 7] CPU: 3 PID: 1845 Comm: cat Tainted: G D W 5.10.1[ 64.651394] irq event stamp: 0 50-cip18 #1 # [ 58.413974] Hardware name: Google Rammus/Rammu[ 64.660998] hardirqs last enabled at (0): [<0000000000000000>] 0x0 s, BIOS 09/04/2020 # [ 58.420778] Call Trace: # [ 58.4235[ 64.674219] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 04] dump_stack+0x77/0x9b # [ 58.427192] ___might_sleep.cold[ 64.689574] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 +0xa6/0xb6 # [ 58.431766] exit_signals+0x1c/0x2e0 # [ 58.[ 64.704927] softirqs last disabled at (0): [<0000000000000000>] 0x0 435757] do_exit+0xd5/0xb00 # [ 58.439261] ? ksys_write+0x68[ 64.718143] ---[ end trace 77b35145f13bafc6 ]--- /0xf0 # [ 58.443144] rewind_stack_do_exit+0x17/0x20 # [ 5[ 64.729516] lkdtm: Zero detected: saturated 8.447804] RIP: 0033:0x7f06aafbf8f3 # [ 58.451796] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 58.472812] RSP: 002b:00007ffc75f7de28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 58.481264] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f06aafbf8f3 # [ 58.489232] RDX: 000000000000000a RSI: 00007f06aaeb2000 RDI: 0000000000000001 # [ 58.497200] RBP: 00007f06aaeb2000 R08: 00007f06aaeb1010 R09: 0000000000000000 # [ 58.505169] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 58.513139] 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 # [ 58.651141] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 58.657924] lkdtm: attempting bad read at 00007f1e1af9f000 # [ 58.670267] BUG: unable to handle page fault for address: 00007f1e1af9f000 # [ 58.684144] #PF: supervisor read access in kernel mode # [ 58.689882] #PF: error_code(0x0001) - permissions violation # [ 58.696104] PGD 8000000104ece067 P4D 8000000104ece067 PUD 104f0d067 PMD 1056f2067 PTE 115b24067 # [ 58.705823] Oops: 0001 [#12] SMP PTI # [ 58.709811] CPU: 0 PID: 1880 Comm: cat Tainted: G D W 5.10.150-cip18 #1 # [ 58.[ 64.877830] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE [ 64.890057] lkdtm: attempting bad refcount_dec() below zero [ 64.896296] ------------[ cut here ]------------ [ 64.901465] refcount_t: decrement hit 0; leaking memory. [ 64.907437] WARNING: CPU: 1 PID: 2218 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 718452] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 #[ 64.916870] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 64.949503] CPU: 1 PID: 2218 Comm: cat Tainted: G D W 5.10.150-cip18 #1 [ 64.958184] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 64.964992] RIP: 0010:refcount_warn_saturate+0xfb/0x110 [ 64.970831] Code: d0 e2 f1 b2 c6 05 55 2e 94 01 01 e8 6a 7d 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 a0 e2 f1 b2 c6 05 3c 2e 94 01 01 e8 50 7d 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b [ 64.991844] RSP: 0018:ffffa5c242b87e48 EFLAGS: 00010286 [ 64.997714] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 [ 65.005717] RDX: ffff8bb83acac660 RSI: ffff8bb83ac9bf70 RDI: ffff8bb83ac9bf70 [ 65.013722] RBP: ffffffffb2f82833 R08: 0000000000000000 R09: 0000000000000000 [ 65.021724] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 [ 65.029720] R13: ffffa5c242b87f10 R14: ffffa5c242b87f10 R15: ffff8bb7c4f4e000 [ 65.037724] FS: 00007f5803adb580(0000) GS:ffff8bb83ac80000(0000) knlGS:0000000000000000 [ 65.046807] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 65.053219] CR2: 00007f58038e4000 CR3: 0000000103c9c003 CR4: 00000000003706e0 [ 65.061191] Call Trace: [ 65.063924] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 [ 65.069306] direct_entry.cold+0x2c/0x38 [ 65.073740] full_proxy_write+0x53/0x80 [ 58.725261] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3[ 65.078036] vfs_write+0xe7/0x3a0 [ 65.087945] ksys_write+0x68/0xf0 # [ 58.731481] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc c[ 65.091676] do_syscall_64+0x30/0x40 [ 65.101873] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 65.107517] RIP: 0033:0x7f58039f18f3 [ 65.111538] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 65.132525] RSP: 002b:00007fff0e1c34d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 65.141013] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f58039f18f3 [ 65.148987] RDX: 0000000000000016 RSI: 00007f58038e4000 RDI: 0000000000000001 [ 65.156960] RBP: 00007f58038e4000 R08: 00007f58038e3010 R09: 0000000000000000 [ 65.164936] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 65.172909] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 65.180885] irq event stamp: 0 [ 65.184344] hardirqs last enabled at (0): [<0000000000000000>] 0x0 c cc 48 89 ee 48 c7 c7 d0 36 f8 b2 e8 e4 99 fd ff 48 c7 c7 f8 36[ 65.191348] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 65.206699] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 65.215867] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 65.222870] ---[ end trace 77b35145f13bafc7 ]--- [ 65.228026] lkdtm: Negative detected: saturated f8 b2 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 cb 99 fd ff 48 89 ee 48 c7 c7 20 37 f8 # [ 58.752467] RSP: 0018:ffffa5c2425efe48 EFLAGS: 00010246 # [ 58.758291] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 # [ 58.766262] RDX: 0000000000000000 RSI: ffff8bb83ac1bf70 RDI: ffffffffb2f836f8 # [ 58.774233] RBP: 00007f1e1af9f000 R08: 0000000000000000 R09: 0000000000000000 # [ 58.782196] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 # [ 58.790166] R13: ffffa5c2425eff10 R14: ffffa5c2425eff10 R15: ffff8bb7c4e94000 # [ 58.798128] FS: 00007f1e1af70580(0000) GS:ffff8bb83ac00000(0000) knlGS:0000000000000000 # [ 58.807166] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 58.813582] CR2: 00007f1e1af9f000 CR3: 0000000105470006 CR4: 00000000003706f0 # [ 58.821553] Call Trace: # [ 58.824283] direct_entry.cold+0x2c/0x38 # [ 58.828658] full_proxy_write+0x53/0x80 # [ 58.832947] vfs_write+0xe7/0x3a0 # [ 58.836652] ksys_write+0x68/0xf0 # [ 58.840350] do_syscall_64+0x30/0x40 # [ 58.844345] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 58.849985] RIP: 0033:0x7f1e1ae868f3 # [ 58.853973] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 58.874958] RSP:[ 65.363628] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE [ 65.377452] lkdtm: attempting bad refcount_dec_and_test() below zero [ 65.384589] ------------[ cut here ]------------ [ 65.389761] refcount_t: underflow; use-after-free. [ 65.395149] WARNING: CPU: 1 PID: 2253 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 [ 65.404587] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 65.431042] CPU: 1 PID: 2253 Comm: cat Tainted: G D W 5.10.150-cip18 #1 [ 65.439695] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 65.446504] RIP: 0010:refcount_warn_saturate+0xba/0x110 002b:00007ffe0d003628 EFLAGS: 00000246 ORIG_RAX: 00000000000000[ 65.452344] Code: 01 01 e8 b4 7d 95 00 0f 0b c3 cc cc cc cc 80 3d 8e 2e 94 01 00 75 85 48 c7 c7 78 e2 f1 b2 c6 05 7e 2e 94 01 01 e8 91 7d 95 00 <0f> 0b c3 cc cc cc cc 80 3d 69 2e 94 01 00 0f 85 5e ff ff ff 48 c7 [ 65.479547] RSP: 0018:ffffa5c242bd7e40 EFLAGS: 00010286 [ 65.485386] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 [ 65.493357] RDX: ffff8bb83acac660 RSI: ffff8bb83ac9bf70 RDI: ffff8bb83ac9bf70 [ 65.501330] RBP: ffffffffb2f82488 R08: 0000000000000000 R09: 0000000000000000 [ 65.509325] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f 01 # [ 58.883407] RAX: ffffffffffffffda RBX: 0000000000000011[ 65.517307] R13: ffffa5c242bd7f10 R14: ffffa5c242bd7f10 R15: ffff8bb7c4f4d000 [ 65.531490] FS: 00007f57fc1d3580(0000) GS:ffff8bb83ac80000(0000) knlGS:0000000000000000 [ 65.540531] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 65.546949] CR2: 00007f57fbfdc000 CR3: 00000001039d8005 CR4: 00000000003706e0 [ 65.554922] Call Trace: [ 65.557654] __refcount_sub_and_test.constprop.0+0x3c/0x50 [ 65.563815] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 [ 65.570066] direct_entry.cold+0x2c/0x38 [ 65.574447] full_proxy_write+0x53/0x80 RCX: 00007f1e1ae868f3 # [ 58.891377] RDX: 0000000000000011 R[ 65.578761] vfs_write+0xe7/0x3a0 [ 65.588668] ksys_write+0x68/0xf0 [ 65.592371] do_syscall_64+0x30/0x40 [ 65.596386] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 65.602028] RIP: 0033:0x7f57fc0e98f3 [ 65.606019] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 65.627004] RSP: 002b:00007ffdd9b30848 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 65.635462] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f57fc0e98f3 [ 65.643431] RDX: 000000000000001f RSI: 00007f57fbfdc000 RDI: 0000000000000001 [ 65.651403] RBP: 00007f57fbfdc000 R08: 00007f57fbfdb010 R09: 0000000000000000 [ 65.659376] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 65.667349] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 65.675326] irq event stamp: 0 SI: 00007f1e1ad79000 RDI: 0000000000000001 # [ 58.899348] RBP[ 65.678757] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 65.691973] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 65.701112] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 65.710250] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 65.717252] ---[ end trace 77b35145f13bafc8 ]--- : 00007f1e1ad79000 R08: 00007f1e1ad78010 R09: 0000000000000000 [ 65.722409] lkdtm: Negative detected: saturated # [ 58.907316] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 58.915285] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 58.923260] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 58.949703] CR2: 00007f1e1af9f000 # [ 58.953400] ---[ end trace 77b35145f13bafbd ]--- # [ 58.958548] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 58.962924] Code: 89 ff e8 ee b1 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 50 d4 92 02 # [ 58.983910] RSP: 0018:ffffa5c24146fe60 EFLAGS: 00010286 # [ 58.989744] RAX: ffffffffb1edf0c0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 58.997714] RDX: 0000000000000000 RSI: ffff8bb83ac9bf70 RDI: ffffffffb2b9b290 # [ 59.005683] RBP: ffffffffb2fddb28 R08: 0000000000000001 R09: 0000000000000001 # [ 59.013654] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 59.021624] R13: ffffa5c24146ff10 R14: ffffa5c24146ff10 R15: ffff8bb7c3f8e000 # [ 59.029596] FS: 00007f1e1af70580(0000) GS:ffff8bb83ac00000(0000) knlGS:0000000000000000 # [ 59.038626] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 59.045043] CR2: 00007f1e1af9f000 CR3: 0000000105470006 CR4: 00000000003706f0 # ACC[ 65.877150] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE [ 65.890622] lkdtm: attempting bad refcount_sub_and_test() below zero [ 65.897731] ------------[ cut here ]------------ [ 65.902894] refcount_t: underflow; use-after-free. [ 65.908272] WARNING: CPU: 1 PID: 2288 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 ESS_USERSPACE: saw 'call trace:': ok ok 37 selftests: lkdtm: AC[ 65.917705] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 65.950340] CPU: 1 PID: 2288 Comm: cat Tainted: G D W 5.10.150-cip18 #1 [ 65.958992] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 65.965803] RIP: 0010:refcount_warn_saturate+0xba/0x110 [ 65.971640] Code: 01 01 e8 b4 7d 95 00 0f 0b c3 cc cc cc cc 80 3d 8e 2e 94 01 00 75 85 48 c7 c7 78 e2 f1 b2 c6 05 7e 2e 94 01 01 e8 91 7d 95 00 <0f> 0b c3 cc cc cc cc 80 3d 69 2e 94 01 00 0f 85 5e ff ff ff 48 c7 [ 65.992628] RSP: 0018:ffffa5c242c67e40 EFLAGS: 00010286 [ 65.998464] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 CESS_USERSPACE.sh # selftests: lkdtm: ACCESS_NULL.sh # Killed[ 66.006442] RDX: ffff8bb83acac660 RSI: ffff8bb83ac9bf70 RDI: ffff8bb83ac9bf70 [ 66.020632] RBP: ffffffffb2f824a8 R08: 0000000000000000 R09: 0000000000000000 [ 66.028634] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 66.036607] R13: ffffa5c242c67f10 R14: ffffa5c242c67f10 R15: ffff8bb7c3fcf000 [ 66.044580] FS: 00007fd97490f580(0000) GS:ffff8bb83ac80000(0000) knlGS:0000000000000000 [ 66.053622] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.060043] CR2: 00007fd974718000 CR3: 0000000104f4c003 CR4: 00000000003706e0 [ 66.068017] Call Trace: # [ 59.258939] lkdtm: Performing direct entry ACCESS_NULL # [ 66.070762] __refcount_sub_and_test.constprop.0+0x3c/0x50 [ 66.083108] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b [ 59.270092] lkdtm: attempting bad read at 0000000000000000 #[ 66.089359] direct_entry.cold+0x2c/0x38 [ 66.099945] full_proxy_write+0x53/0x80 [ 66.104255] vfs_write+0xe7/0x3a0 [ 66.107986] ksys_write+0x68/0xf0 [ 66.111712] do_syscall_64+0x30/0x40 [ 59.282437] BUG: kernel NULL pointer dereference, address: 0[ 66.115758] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 66.127613] RIP: 0033:0x7fd9748258f3 [ 66.131606] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 66.152596] RSP: 002b:00007ffeb8575ce8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 66.161080] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fd9748258f3 [ 66.169055] RDX: 000000000000001f RSI: 00007fd974718000 RDI: 0000000000000001 [ 66.177028] RBP: 00007fd974718000 R08: 00007fd974717010 R09: 0000000000000000 [ 66.185000] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 66.192971] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 66.200966] irq event stamp: 0 000000000000000 # [ 59.296410] #PF: supervisor read access in[ 66.204382] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 66.217596] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 66.226766] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 66.235904] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 66.242905] ---[ end trace 77b35145f13bafc9 ]--- [ 66.248063] lkdtm: Negative detected: saturated kernel mode # [ 59.302148] #PF: error_code(0x0000) - not-present page # [ 59.314100] PGD 0 P4D 0 # [ 59.316927] Oops: 0000 [#13] SMP PTI # [ 59.327131] CPU: 2 PID: 1915 Comm: cat Tainted: G D W 5.10.150-cip18 #1 # [ 59.335780] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 59.342588] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 # [ 59.347841] Code: 88 99 fd ff be 00 10 00 00 48 89 ef e8 38 8d 3c ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 d0 36 f8 b2 e8 62 99 fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 f8 36 f8 b2 48 01 # [ 59.375041] RSP: 0018:ffffa5c242677e58 EFLAGS: 00010246 # [ 59.380873] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 # [ 59.388843] RDX: 0000000000000000 RSI: ffff8bb83ad1bf70 RDI: ffff8bb83ad1bf70 # [ 59.396812] RBP: ffffffffb2f827c1 R08: 0000000000000000 R09: 0000000000000000 # [ 59.404794] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 59.412769] R13: ffffa5c242677f10 R14: ffffa5c242677f10 R15: ffff8bb7c4146000 # [ 59.426951] FS: 00007f8cf4761580(0000) GS:ffff8bb83ad00000(0000) knlGS:0000000000000000 # [ 59.435989] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 59.442404] CR2: 0000000000000000 CR3: 000000010618c006 CR4: 00000000003706e0 # [ 59.450371] Call Trace: # [ 59.453099] direct_entry.cold+0x2c/0x38 # [ 59.457478] full_proxy_write+0x53/0x80 # [ 59.467968] vfs_write+0xe7/0[ 66.391350] lkdtm: Performing direct entry REFCOUNT_INC_ZERO x3a0 # [ 59.471667] ksys_write+0x68/0xf0 # [ 59.481575] [ 66.402503] lkdtm: attempting safe refcount_inc_not_zero() from zero do_syscall_64+0x30/0x40 # [ 59.485564] entry_SYSCALL_64_afte[ 66.415814] lkdtm: Good: zero detected r_hwframe+0x61/0xc6 # [ 59.491195] RIP: 0033:0x7f8cf46778f3 [ 66.426214] lkdtm: Correctly stayed at zero # [ 59.495183] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0[ 66.437101] lkdtm: attempting bad refcount_inc() from zero ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 [ 66.449446] ------------[ cut here ]------------ b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48[ 66.460821] refcount_t: addition on 0; use-after-free. 83 ec 28 48 89 54 24 18 # [ 59.516155] RSP: 002b:00007ffccc8[ 66.472804] WARNING: CPU: 2 PID: 2320 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 584a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 59.5246[ 66.488425] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 09] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f8cf46[ 66.521073] CPU: 2 PID: 2320 Comm: cat Tainted: G D W 5.10.150-cip18 #1 778f3 # [ 59.532577] RDX: 000000000000000c RSI: 00007f8cf456a[ 66.535943] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 000 RDI: 0000000000000001 # [ 59.540543] RBP: 00007f8cf456a00[ 66.548966] RIP: 0010:refcount_warn_saturate+0x74/0x110 0 R08: 00007f8cf4569010 R09: 0000000000000000 # [ 59.548509] [ 66.561017] Code: 01 01 e8 fa 7d 95 00 0f 0b c3 cc cc cc cc 80 3d d5 2e 94 01 00 75 cb 48 c7 c7 48 e2 f1 b2 c6 05 c5 2e 94 01 01 e8 d7 7d 95 00 <0f> 0b c3 cc cc cc cc 80 3d b4 2e 94 01 00 75 a8 48 c7 c7 20 e2 f1 R10: fffffffffffffbc5 R11: 0000000000000246 R12: 000000000000000[ 66.588219] RSP: 0018:ffffa5c242cf7e48 EFLAGS: 00010286 1 # [ 59.556479] R13: 0000000000000001 R14: 0000000000020000 [ 66.600273] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 R15: 0000000000020000 # [ 59.564453] Modules linked in: fuse [ 66.614464] RDX: ffff8bb83ad2c660 RSI: ffff8bb83ad1bf70 RDI: ffff8bb83ad1bf70 ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_trig[ 66.628654] RBP: ffffffffb2f82849 R08: 0000000000000000 R09: 0000000000000000 gered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightb[ 66.642838] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 ar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_tem[ 66.657027] R13: ffffa5c242cf7f10 R14: ffffa5c242cf7f10 R15: ffff8bb7c61e7000 p_thermal cros_ec_dev cros_usbpd_notify # [ 59.597091] CR2: 0[ 66.671218] FS: 00007f12e6224580(0000) GS:ffff8bb83ad00000(0000) knlGS:0000000000000000 000000000000000 # [ 59.600806] ---[ end trace 77b35145f13bafb[ 66.686470] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 e ]--- # [ 59.605963] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 59.[ 66.699104] CR2: 00007f12e602d000 CR3: 000000010304e004 CR4: 00000000003706e0 610339] Code: 89 ff e8 ee b1 a3 ff 48 c7 c0 ea ff ff ff eb de 48[ 66.713292] Call Trace: c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f [ 66.722241] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83[ 66.733419] direct_entry.cold+0x2c/0x38 05 50 d4 92 02 # [ 59.631323] RSP: 0018:ffffa5c24146fe60 EFL[ 66.744019] full_proxy_write+0x53/0x80 AGS: 00010286 # [ 59.637157] RAX: ffffffffb1edf0c0 RBX: 00000[ 66.754507] vfs_write+0xe7/0x3a0 00000000001 RCX: 0000000000000000 # [ 59.645125] RDX: 0000000[ 66.764418] ksys_write+0x68/0xf0 000000000 RSI: ffff8bb83ac9bf70 RDI: ffffffffb2b9b290 # [ 59.[ 66.774333] do_syscall_64+0x30/0x40 653096] RBP: ffffffffb2fddb28 R08: 0000000000000001 R09: 0000000[ 66.784538] entry_SYSCALL_64_after_hwframe+0x61/0xc6 000000001 # [ 59.661066] R10: 00000000ffffe000 R11: 3ffffffff[ 66.796392] RIP: 0033:0x7f12e613a8f3 fffffff R12: 0000000000000004 # [ 59.669035] R13: ffffa5c2414[ 66.806596] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 6ff10 R14: ffffa5c24146ff10 R15: ffff8bb7c3f8e000 # [ 59.6770[ 66.833795] RSP: 002b:00007fff0b346138 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 04] FS: 00007f8cf4761580(0000) GS:ffff8bb83ad00000(0000) knlGS:[ 66.848468] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f12e613a8f3 0000000000000000 # [ 59.686041] CS: 0010 DS: 0000 ES: 0000 C[ 66.862655] RDX: 0000000000000012 RSI: 00007f12e602d000 RDI: 0000000000000001 R0: 0000000080050033 # [ 59.692457] CR2: 0000000000000000 CR3[ 66.876843] RBP: 00007f12e602d000 R08: 00007f12e602c010 R09: 0000000000000000 : 000000010618c006 CR4: 00000000003706e0 # [ 59.700430] BUG: [ 66.891033] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 sleeping function called from invalid context at include/linux/p[ 66.905221] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ercpu-rwsem.h:49 # [ 59.710333] in_atomic(): 0, irqs_disabled[ 66.919415] irq event stamp: 0 (): 1, non_block: 0, pid: 1915, name: cat # [ 59.718808] INFO[ 66.929033] hardirqs last enabled at (0): [<0000000000000000>] 0x0 : lockdep is turned off. # [ 59.723176] irq event stamp: 0 #[ 66.942248] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 59.726580] hardirqs last enabled at (0): [<000000000000000[ 66.957601] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 0>] 0x0 # [ 59.733580] hardirqs last disabled at (0): [] 0x0 fffb1700cf0>] copy_process+0x640/0x1c80 # [ 59.742716] softir[ 66.986177] ---[ end trace 77b35145f13bafca ]--- qs last enabled at (0): [] copy_process+0x640[ 66.997547] lkdtm: Zero detected: saturated /0x1c80 # [ 59.751853] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 59.758852] CPU: 2 PID: 1915 Comm: cat Tainted: G D W 5.10.150-cip18 #1 # [ 59.767502] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 59.774307] Call Trace: # [ 59.777035] dump_stack+0x77/0x9b # [ 59.780754] ___might_sleep.cold+0xa6/0xb6 # [ 59.791536] exit_signals+0x1c/0x2e0 # [ 59.795524] do_exit+0xd5/0xb00 # [ 59.799027] ? ksys_write+0x68/0xf0 # [ 59.802920] rewind_stack_do_exit+0x17/0x20 # [ 59.807591] RIP: 0033:0x7f8cf46778f3 # [ 59.817791] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 59.838771] RSP: 002b:00007ffccc8584a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 59.847226] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f8cf46778f3 # [ 59.855192] RDX: 000000000000000c RSI: 00007f8cf456a000 RDI: 0000000000000001 # [ 59.863161] RBP: 00007f8cf456a000 R08: 00007f8cf4569010 R09: 0000000000000000 # [ 59.871131] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 59.879101] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # ACCESS_NULL: saw 'call trace:': ok ok 38 selftests: lkdtm: ACCESS_NULL.sh # selftests: lkdtm: WRITE_RO.sh # Killed # [ 60.019058] lkdtm: Performing direct e[ 67.145163] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO [ 67.157716] lkdtm: attempting safe refcount_add_not_zero() from zero [ 67.164868] lkdtm: Good: zero detected ntry WRITE_RO # [ 60.029324] lkdtm: attempting bad rodata wri[ 67.169061] lkdtm: Correctly stayed at zero [ 67.179943] lkdtm: attempting bad refcount_add() from zero [ 67.186069] ------------[ cut here ]------------ [ 67.191226] refcount_t: addition on 0; use-after-free. [ 67.196991] WARNING: CPU: 3 PID: 2352 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 te at ffffffffb2b9b710 # [ 60.036293] BUG: unable to handle p[ 67.206426] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 67.239064] CPU: 3 PID: 2352 Comm: cat Tainted: G D W 5.10.150-cip18 #1 age fault for address: ffffffffb2b9b710 # [ 60.043989] #PF: s[ 67.247743] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 67.260772] RIP: 0010:refcount_warn_saturate+0x74/0x110 [ 67.266638] Code: 01 01 e8 fa 7d 95 00 0f 0b c3 cc cc cc cc 80 3d d5 2e 94 01 00 75 cb 48 c7 c7 48 e2 f1 b2 c6 05 c5 2e 94 01 01 e8 d7 7d 95 00 <0f> 0b c3 cc cc cc cc 80 3d b4 2e 94 01 00 75 a8 48 c7 c7 20 e2 f1 [ 67.287633] RSP: 0018:ffffa5c242d9fe48 EFLAGS: 00010286 [ 67.293525] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 upervisor write access in kernel mode # [ 60.056032] #PF: err[ 67.301511] RDX: ffff8bb83adac660 RSI: ffff8bb83ad9bf70 RDI: ffff8bb83ad9bf70 [ 67.315687] RBP: ffffffffb2f8285b R08: 0000000000000000 R09: 0000000000000000 [ 67.323660] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 67.331632] R13: ffffa5c242d9ff10 R14: ffffa5c242d9ff10 R15: ffff8bb7c56fb000 [ 67.339607] FS: 00007f0a01a02580(0000) GS:ffff8bb83ad80000(0000) knlGS:0000000000000000 [ 67.348678] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 67.355096] CR2: 00007f0a0180b000 CR3: 0000000103ed8001 CR4: 00000000003706e0 [ 67.363067] Call Trace: [ 67.365816] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 [ 67.370820] direct_entry.cold+0x2c/0x38 [ 67.375235] full_proxy_write+0x53/0x80 [ 67.379551] vfs_write+0xe7/0x3a0 [ 67.383284] ksys_write+0x68/0xf0 [ 67.387015] do_syscall_64+0x30/0x40 [ 67.391040] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 67.396711] RIP: 0033:0x7f0a019188f3 [ 67.400703] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 67.421712] RSP: 002b:00007ffd8522f448 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 67.430170] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f0a019188f3 [ 67.438141] RDX: 0000000000000012 RSI: 00007f0a0180b000 RDI: 0000000000000001 [ 67.446116] RBP: 00007f0a0180b000 R08: 00007f0a0180a010 R09: 0000000000000000 [ 67.454089] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 67.462064] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 67.470043] irq event stamp: 0 [ 67.473484] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 67.480490] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 67.489633] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 67.498809] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 67.505813] ---[ end trace 77b35145f13bafcb ]--- [ 67.510967] lkdtm: Zero detected: saturated or_code(0x0003) - permissions violation # [ 60.062256] PGD 1c229067 P4D 1c229067 PUD 1c22a063 PMD 800000001ba000e1 # [ 60.075956] Oops: 0003 [#14] SMP PTI # [ 60.079946] CPU: 3 PID: 1950 Comm: cat Tainted: G D W 5.10.150-cip18 #1 # [ 60.094809] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 60.101608] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a # [ 60.106569] Code: 00 48 c7 c7 b0 35 f8 b2 48 c7 c6 10 b7 b9 b2 e8 0c 9c fd ff 48 8b 05 62 d1 65 00 ba 34 12 cd ab 48 c7 c7 e0 35 f8 b2 48 31 d0 <48> 89 05 4c d1 65 00 e9 ea 9b fd ff 0f 1f 44 00 00 48 8b 05 5b fd # [ 60.127553] RSP: 0018:ffffa5c24270fe60 EFLAGS: 00010202 # [ 60.133388] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 # [ 60.141357] RDX: 00000000abcd1234 RSI: ffff8bb83ad9bf70 RDI: ffffffffb2f835e0 # [ 60.149326] RBP: ffffffffb2f827cd R08: 0000000000000000 R09: 0000000000000000 # [ 60.157296] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 # [ 60.165266] R13: ffffa5c24270ff10 R14: ffffa5c24270ff10 R15: ffff8bb7c3f75000 # [ 60.173235] FS: 00007fb4986c0580(0000) GS:ffff8bb83ad80000(0000) knlGS:0000000000000000 # [ 60.182272] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 60.188685] CR2: ffffffffb2b9b710 CR3: 00000001039c8001 CR4: 00000000003706e0 # [ 60.196656] Call Trace: # [ 60.199383] direct_entry.cold+0x2c/0x38 # [ 60.203763] full_proxy_write+0x53/0x80 # [ 60.208045] vfs_write+0xe7/0x3a0 # [ 60.211755] ksys_write+0x68/0xf0 # [ 60.215454] do_syscall_64+0x30/0x40 # [ 60.219443] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 60.225074] RIP: 0033:0x7fb[ 67.671296] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED 4985d68f3 # [ 60.229061] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 [ 67.684270] lkdtm: attempting bad refcount_inc() from saturated 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 8[ 67.697120] ------------[ cut here ]------------ 5 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f [ 67.708490] refcount_t: saturated; leaking memory. 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 60.250045] RSP: 002b:[ 67.720078] WARNING: CPU: 0 PID: 2387 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 00007ffcb3eab0e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 67.735737] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 60.258501] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: [ 67.768379] CPU: 0 PID: 2387 Comm: cat Tainted: G D W 5.10.150-cip18 #1 00007fb4985d68f3 # [ 60.266470] RDX: 0000000000000009 RSI: 00[ 67.783243] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 007fb4984c9000 RDI: 0000000000000001 # [ 60.274438] RBP: 0000[ 67.796267] RIP: 0010:refcount_warn_saturate+0x51/0x110 7fb4984c9000 R08: 00007fb4984c8010 R09: 0000000000000000 # [ [ 67.808327] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d f9 2e 94 01 00 75 ee 48 c7 c7 20 e2 f1 b2 c6 05 e9 2e 94 01 01 e8 fa 7d 95 00 <0f> 0b c3 cc cc cc cc 80 3d d5 2e 94 01 00 75 cb 48 c7 c7 48 e2 f1 60.282408] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000[ 67.835548] RSP: 0018:ffffa5c242e2fe48 EFLAGS: 00010286 000000000001 # [ 60.290378] R13: 0000000000000001 R14: 000000[ 67.847605] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 0000020000 R15: 0000000000020000 # [ 60.298351] Modules linke[ 67.861834] RDX: ffff8bb83ac2c660 RSI: ffff8bb83ac1bf70 RDI: ffff8bb83ac1bf70 d in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core indust[ 67.876052] RBP: ffffffffb2f8286d R08: 0000000000000000 R09: 0000000000000000 rialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cro[ 67.890261] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 s_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub [ 67.904454] R13: ffffa5c242e2ff10 R14: ffffa5c242e2ff10 R15: ffff8bb7c56ac000 x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 60.324[ 67.918665] FS: 00007fecccda6580(0000) GS:ffff8bb83ac00000(0000) knlGS:0000000000000000 809] CR2: ffffffffb2b9b710 # [ 60.334721] ---[ end trace 77b3[ 67.933924] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 5145f13bafbf ]--- # [ 60.339876] RIP: 0010:lkdtm_BUG+0x5/0x10[ 67.946566] CR2: 00007fecccbaf000 CR3: 00000001026f4004 CR4: 00000000003706f0 # [ 60.344245] Code: 89 ff e8 ee b1 a3 ff 48 c7 c0 ea ff ff [ 67.960770] Call Trace: ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff f[ 67.969751] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 f eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f [ 67.981434] direct_entry.cold+0x2c/0x38 44 00 00 83 05 50 d4 92 02 # [ 60.365222] RSP: 0018:ffffa5c24[ 67.992060] full_proxy_write+0x53/0x80 146fe60 EFLAGS: 00010286 # [ 60.371047] RAX: ffffffffb1edf0c0[ 68.002535] vfs_write+0xe7/0x3a0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 60.379017] R[ 68.012473] ksys_write+0x68/0xf0 DX: 0000000000000000 RSI: ffff8bb83ac9bf70 RDI: ffffffffb2b9b290[ 68.022378] do_syscall_64+0x30/0x40 # [ 60.386986] RBP: ffffffffb2fddb28 R08: 0000000000000001 R[ 68.032587] entry_SYSCALL_64_after_hwframe+0x61/0xc6 09: 0000000000000001 # [ 60.394958] R10: 00000000ffffe000 R11[ 68.044428] RIP: 0033:0x7feccccbc8f3 : 3fffffffffffffff R12: 0000000000000004 # [ 60.402927] R13: [ 68.054650] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 ffffa5c24146ff10 R14: ffffa5c24146ff10 R15: ffff8bb7c3f8e000 # [ 68.081841] RSP: 002b:00007fff8c458e58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 60.410897] FS: 00007fb4986c0580(0000) GS:ffff8bb83ad80000(0[ 68.096537] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007feccccbc8f3 000) knlGS:0000000000000000 # [ 60.419935] CS: 0010 DS: 0000[ 68.110709] RDX: 0000000000000017 RSI: 00007fecccbaf000 RDI: 0000000000000001 ES: 0000 CR0: 0000000080050033 # [ 60.426350] CR2: ffffffffb[ 68.124920] RBP: 00007fecccbaf000 R08: 00007fecccbae010 R09: 0000000000000000 2b9b710 CR3: 00000001039c8001 CR4: 00000000003706e0 # WRITE_RO:[ 68.139100] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 saw 'call trace:': ok ok 39 selftests: lkdtm: WRITE_RO.sh # s[ 68.153306] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 elftests: lkdtm: WRITE_RO_AFTER_INIT.sh # Killed # [ 60.5994[ 68.167485] irq event stamp: 0 26] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT # [ 60[ 68.177117] hardirqs last enabled at (0): [<0000000000000000>] 0x0 .608705] lkdtm: attempting bad ro_after_init write at ffffffffb2[ 68.190332] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 ffe330 # [ 60.616313] BUG: unable to handle page fault for ad[ 68.205686] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 dress: ffffffffb2ffe330 # [ 60.624000] #PF: supervisor write [ 68.221040] softirqs last disabled at (0): [<0000000000000000>] 0x0 access in kernel mode # [ 60.629835] #PF: error_code(0x0003) [ 68.234269] ---[ end trace 77b35145f13bafcc ]--- - permissions violation # [ 60.636056] PGD 1c229067 P4D 1c229[ 68.245632] lkdtm: Saturation detected: still saturated 067 PUD 1c22a063 PMD 800000001be000e1 # [ 60.643544] Oops: 0003 [#15] SMP PTI # [ 60.647534] CPU: 3 PID: 1985 Comm: cat Tainted: G D W 5.10.150-cip18 #1 # [ 60.656182] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 60.662989] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a # [ 60.669014] Code: 36 f8 b2 e9 be 9b fd ff 48 c7 c7 38 36 f8 b2 e8 b2 9b fd ff 48 8b 05 28 fd ab 00 ba 34 12 cd ab 48 c7 c7 e0 35 f8 b2 48 31 d0 <48> 89 05 12 fd ab 00 e9 90 9b fd ff 0f 1f 44 00 00 41 54 48 c7 c7 # [ 60.689999] RSP: 0018:ffffa5c24278fe60 EFLAGS: 00010202 # [ 60.695832] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 # [ 60.703804] RDX: 00000000abcd1234 RSI: ffff8bb83ad9bf70 RDI: ffffffffb2f835e0 # [ 60.711773] RBP: ffffffffb2f827d6 R08: 0000000000000000 R09: 0000000000000000 # [ 60.719756] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 # [ 60.727742] R13: ffffa5c24278ff10 R14: ffffa5c24278ff10 R15: ffff8bb7c27fb000 # [ 60.735722] FS: 00007f6cf7995580(0000) GS:ffff8bb83ad80000(0000) knlGS:0000000000000000 # [ 60.744760] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 60.751176] CR2: ffffffffb2ffe330 CR3: 00000001038d4004 CR4: 00000000003706e0 # [ 60.759147] Call Trace: # [ 60.761874] direct_entry.cold+0x2c/0x38 # [ 60.766245] full_proxy_write+0x53/0x80 # [ 60.770527] vfs_write+0xe7/0x3a0 # [ 60.774226] ksys_write+0x68/0xf0 # [ 60.777925] do_syscall_64+0x30/0x40 # [ 60.781914] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 60.787554] RIP: 0033:0x7f6cf78a[ 68.409357] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED b8f3 # [ 60.791543] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48[ 68.420100] lkdtm: attempting bad refcount_dec() from saturated c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 [ 68.432926] ------------[ cut here ]------------ 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40[ 68.444299] refcount_t: decrement hit 0; leaking memory. 00 48 83 ec 28 48 89 54 24 18 # [ 60.812527] RSP: 002b:00007[ 68.456478] WARNING: CPU: 2 PID: 2422 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 ffc221c25f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 6[ 68.472101] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 0.820985] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007[ 68.504757] CPU: 2 PID: 2422 Comm: cat Tainted: G D W 5.10.150-cip18 #1 f6cf78ab8f3 # [ 60.828954] RDX: 0000000000000014 RSI: 00007f6[ 68.519626] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 cf779e000 RDI: 0000000000000001 # [ 60.836923] RBP: 00007f6cf[ 68.532655] RIP: 0010:refcount_warn_saturate+0xfb/0x110 779e000 R08: 00007f6cf779d010 R09: 0000000000000000 # [ 60.84[ 68.544708] Code: d0 e2 f1 b2 c6 05 55 2e 94 01 01 e8 6a 7d 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 a0 e2 f1 b2 c6 05 3c 2e 94 01 01 e8 50 7d 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 4892] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 000000000[ 68.571909] RSP: 0018:ffffa5c242eafe48 EFLAGS: 00010286 0000001 # [ 60.852861] R13: 0000000000000001 R14: 00000000000[ 68.583957] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 20000 R15: 0000000000020000 # [ 60.860837] Modules linked in:[ 68.598164] RDX: ffff8bb83ad2c660 RSI: ffff8bb83ad1bf70 RDI: ffff8bb83ad1bf70 fuse ip_tables cros_ec_sensors cros_ec_sensors_core industriali[ 68.612329] RBP: ffffffffb2f82884 R08: 0000000000000000 R09: 0000000000000000 o_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_[ 68.626509] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_p[ 68.640697] R13: ffffa5c242eaff10 R14: ffffa5c242eaff10 R15: ffff8bb7c5430000 kg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 60.887288] [ 68.654882] FS: 00007f3d91a75580(0000) GS:ffff8bb83ad00000(0000) knlGS:0000000000000000 CR2: ffffffffb2ffe330 # [ 60.897197] ---[ end trace 77b35145f[ 68.670135] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 13bafc0 ]--- # [ 60.902351] RIP: 0010:lkdtm_BUG+0x5/0x10 # [[ 68.682771] CR2: 00007f3d9187e000 CR3: 0000000103104002 CR4: 00000000003706e0 [ 68.696960] Call Trace: 60.906744] Code: 89 ff e8 ee b1 a3 ff 48 c7 c0 ea ff ff ff eb[ 68.699694] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb [ 68.711351] direct_entry.cold+0x2c/0x38 c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00[ 68.721948] full_proxy_write+0x53/0x80 00 83 05 50 d4 92 02 # [ 60.927734] RSP: 0018:ffffa5c24146fe[ 68.732447] vfs_write+0xe7/0x3a0 60 EFLAGS: 00010286 # [ 60.939779] RAX: ffffffffb1edf0c0 RBX:[ 68.742362] ksys_write+0x68/0xf0 0000000000000001 RCX: 0000000000000000 # [ 60.947756] RDX: 0[ 68.752280] do_syscall_64+0x30/0x40 000000000000000 RSI: ffff8bb83ac9bf70 RDI: ffffffffb2b9b290 # [[ 68.762488] entry_SYSCALL_64_after_hwframe+0x61/0xc6 60.955725] RBP: ffffffffb2fddb28 R08: 0000000000000001 R09: 0[ 68.774348] RIP: 0033:0x7f3d9198b8f3 [ 68.784554] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 000000000000001 # [ 60.963722] R10: 00000000ffffe000 R11: 3ff[ 68.805537] RSP: 002b:00007fff19a904b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 fffffffffffff R12: 0000000000000004 # [ 60.971691] R13: ffffa[ 68.820208] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f3d9198b8f3 5c24146ff10 R14: ffffa5c24146ff10 R15: ffff8bb7c3f8e000 # [ 6[ 68.834394] RDX: 0000000000000017 RSI: 00007f3d9187e000 RDI: 0000000000000001 0.979660] FS: 00007f6cf7995580(0000) GS:ffff8bb83ad80000(0000) [ 68.848579] RBP: 00007f3d9187e000 R08: 00007f3d9187d010 R09: 0000000000000000 knlGS:0000000000000000 # [ 60.988699] CS: 0010 DS: 0000 ES: [ 68.862766] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 0000 CR0: 0000000080050033 # [ 60.995114] CR2: ffffffffb2ffe3[ 68.876951] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 30 CR3: 00000001038d4004 CR4: 00000000003706e0 # WRITE_RO_AFTER[ 68.891139] irq event stamp: 0 _INIT: saw 'call trace:': ok ok 40 selftests: lkdtm: WRITE_RO_A[ 68.900763] hardirqs last enabled at (0): [<0000000000000000>] 0x0 FTER_INIT.sh # selftests: lkdtm: WRITE_KERN.sh # Killed # [ [ 68.913976] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 61.176673] lkdtm: Performing direct entry WRITE_KERN # [ 61.[ 68.929325] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 182829] lkdtm: attempting bad 6680728 byte write at ffffffffb253[ 68.944674] softirqs last disabled at (0): [<0000000000000000>] 0x0 e528 # [ 61.196529] BUG: unable to handle page fault for addr[ 68.957888] ---[ end trace 77b35145f13bafcd ]--- ess: ffffffffb253e528 # [ 61.210399] #PF: supervisor write ac[ 68.969257] lkdtm: Saturation detected: still saturated cess in kernel mode # [ 61.216233] #PF: error_code(0x0003) - permissions violation # [ 61.222457] PGD 1c229067 P4D 1c229067 PUD 1c22a063 PMD 1b4000e1 # [ 61.229165] Oops: 0003 [#16] SMP PTI # [ 61.233154] CPU: 0 PID: 2020 Comm: cat Tainted: G D W 5.10.150-cip18 #1 # [ 61.241795] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 61.248603] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e # [ 61.253763] Code: 53 48 c7 c3 28 e5 53 b2 49 89 dc 48 89 da 49 81 ec 90 f4 ed b1 4c 89 e6 e8 65 9b fd ff 48 89 df 4c 89 e1 48 c7 c6 90 f4 ed b1 a4 48 c7 c7 e0 35 f8 b2 e8 4a 9b fd ff 5b 41 5c e9 b7 fe ff ff # [ 61.274738] RSP: 0018:ffffa5c242847e50 EFLAGS: 00010246 # [ 61.280572] RAX: 000000000000003c RBX: ffffffffb253e528 RCX: 000000000065f098 # [ 61.288542] RDX: 0000000000000000 RSI: ffffffffb1edf490 RDI: ffffffffb253e528 # [ 61.296512] RBP: ffffffffb2f827ea R08: 0000000000000000 R09: 0000000000000000 # [ 61.304482] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000065f098 # [ 61.312453] R13: ffffa5c242847f10 R14: ffffa5c242847f10 R15: ffff8bb7c3ec6000 # [ 61.320424] FS: 00007f61bc90f580(0000) GS:ffff8bb83ac00000(0000) knlGS:0000000000000000 # [ 61.329464] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 61.335880] CR2: ffffffffb253e528 CR3: 0000000103eca002 CR4: 00000000003706f0 # [ 61.343850] Call Trace: # [ 61.346579] direct_entry.cold+0x2c/0x38 # [ 61.350965] full_proxy_write+0x53/0x80 # [ 61.355253] vfs_write+0xe7/0x3a0 # [ 6[ 69.126510] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED [ 69.137280] lkdtm: attempting bad refcount_dec() from saturated [ 69.143921] ------------[ cut here ]------------ [ 69.149102] refcount_t: saturated; leaking memory. [ 69.154497] WARNING: CPU: 3 PID: 2457 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 [ 69.163937] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 69.190397] CPU: 3 PID: 2457 Comm: cat Tainted: G D W 5.10.150-cip18 #1 [ 69.199072] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 69.205882] RIP: 0010:refcount_warn_saturate+0x51/0x110 [ 69.211722] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d f9 2e 94 01 00 75 ee 48 c7 c7 20 e2 f1 b2 c6 05 e9 2e 94 01 01 e8 fa 7d 95 00 <0f> 0b c3 cc cc cc cc 80 3d d5 2e 94 01 00 75 cb 48 c7 c7 48 e2 f1 1.358957] ksys_write+0x68/0xf0 # [ 61.362657] do_syscall_64[ 69.232758] RSP: 0018:ffffa5c242f17e48 EFLAGS: 00010286 [ 69.244811] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 [ 69.252800] RDX: ffff8bb83adac660 RSI: ffff8bb83ad9bf70 RDI: ffff8bb83ad9bf70 [ 69.260806] RBP: ffffffffb2f8289b R08: 0000000000000000 R09: 0000000000000000 [ 69.268781] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 +0x30/0x40 # [ 61.366654] entry_SYSCALL_64_after_hwframe+0x6[ 69.276758] R13: ffffa5c242f17f10 R14: ffffa5c242f17f10 R15: ffff8bb7c3101000 [ 69.290945] FS: 00007f60f32b3580(0000) GS:ffff8bb83ad80000(0000) knlGS:0000000000000000 [ 69.299988] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.306407] CR2: 00007f60f30bc000 CR3: 00000001057aa005 CR4: 00000000003706e0 [ 69.314380] Call Trace: [ 69.317130] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 1/0xc6 # [ 61.372293] RIP: 0033:0x7f61bc8258f3 # [ 61.3762[ 69.322588] direct_entry.cold+0x2c/0x38 [ 69.333199] full_proxy_write+0x53/0x80 83] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff [ 69.337490] vfs_write+0xe7/0x3a0 [ 69.347403] ksys_write+0x68/0xf0 eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 0[ 69.351131] do_syscall_64+0x30/0x40 [ 69.361334] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 69.366978] RIP: 0033:0x7f60f31c98f3 [ 69.370968] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 69.391958] RSP: 002b:00007fff418e07e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 69.400418] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f60f31c98f3 0 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 [ 69.408394] RDX: 0000000000000017 RSI: 00007f60f30bc000 RDI: 0000000000000001 89 54 24 18 # [ 61.397260] RSP: 002b:00007ffee22ab408 EFLAGS:[ 69.422583] RBP: 00007f60f30bc000 R08: 00007f60f30bb010 R09: 0000000000000000 00000246 ORIG_RAX: 0000000000000001 # [ 61.405717] RAX: ffff[ 69.436773] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 69.450961] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 69.458958] irq event stamp: 0 ffffffffffda RBX: 000000000000000b RCX: 00007f61bc8258f3 # [ [ 69.462375] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 69.475590] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 61.413688] RDX: 000000000000000b RSI: 00007f61bc718000 RDI: 0000[ 69.484761] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 69.500115] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 69.507117] ---[ end trace 77b35145f13bafce ]--- [ 69.512274] lkdtm: Saturation detected: still saturated 000000000001 # [ 61.421659] RBP: 00007f61bc718000 R08: 00007f61bc717010 R09: 0000000000000000 # [ 61.429630] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 61.437601] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 61.445578] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 61.472022] CR2: ffffffffb253e528 # [ 61.475711] ---[ end trace 77b35145f13bafc1 ]--- # [ 61.480867] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 61.485246] Code: 89 ff e8 ee b1 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 50 d4 92 02 # [ 61.506230] RSP: 0018:ffffa5c24146fe60 EFLAGS: 00010286 # [ 61.512064] RAX: ffffffffb1edf0c0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 61.520035] RDX: 0000000000000000 RSI: ffff8bb83ac9bf70 RDI: ffffffffb2b9b290 # [ 61.528004] RBP: ffffffffb2fddb28 R08: 0000000000000001 R09: 0000000000000001 # [ 61.535974] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 61.543946] R13: ffffa5c24146ff10 R14: ffffa5c24146ff10 R15: ffff8bb7c3f8e000 # [ 61.551916] FS: 0000[ 69.651505] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED 7f61bc90f580(0000) GS:ffff8bb83ac00000(0000) knlGS:0000000000000[ 69.662554] lkdtm: attempting bad refcount_inc_not_zero() from saturated 000 # [ 61.560954] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008[ 69.676256] ------------[ cut here ]------------ 0050033 # [ 61.567369] CR2: ffffffffb253e528 CR3: 0000000103e[ 69.687642] refcount_t: saturated; leaking memory. ca002 CR4: 00000000003706f0 # [ 61.575338] BUG: sleeping func[ 69.699221] WARNING: CPU: 2 PID: 2489 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 tion called from invalid context at include/linux/percpu-rwsem.h[ 69.714856] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify :49 # [ 61.585250] in_atomic(): 0, irqs_disabled(): 1, non_bl[ 69.747524] CPU: 2 PID: 2489 Comm: cat Tainted: G D W 5.10.150-cip18 #1 ock: 0, pid: 2020, name: cat # [ 61.593706] INFO: lockdep is [ 69.762372] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 turned off. # [ 61.598083] irq event stamp: 0 # [ 61.60148[ 69.775396] RIP: 0010:refcount_warn_saturate+0x97/0x110 8] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ [ 69.787448] Code: 01 01 e8 d7 7d 95 00 0f 0b c3 cc cc cc cc 80 3d b4 2e 94 01 00 75 a8 48 c7 c7 20 e2 f1 b2 c6 05 a4 2e 94 01 01 e8 b4 7d 95 00 <0f> 0b c3 cc cc cc cc 80 3d 8e 2e 94 01 00 75 85 48 c7 c7 78 e2 f1 61.608489] hardirqs last disabled at (0): [][ 69.814648] RSP: 0018:ffffa5c242e07e38 EFLAGS: 00010282 [ 69.826701] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 copy_process+0x640/0x1c80 # [ 61.617626] softirqs last enab[ 69.834676] RDX: ffff8bb83ad2c660 RSI: ffff8bb83ad1bf70 RDI: ffff8bb83ad1bf70 [ 69.848858] RBP: ffffffffb2f824c8 R08: 0000000000000000 R09: 0000000000000000 led at (0): [] copy_process+0x640/0x1c80 # [ [ 69.856833] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 69.871015] R13: ffffa5c242e07f10 R14: ffffa5c242e07f10 R15: ffff8bb7c6181000 61.626761] softirqs last disabled at (0): [<0000000000000000>][ 69.878991] FS: 00007f83625d6580(0000) GS:ffff8bb83ad00000(0000) knlGS:0000000000000000 [ 69.894238] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 0x0 # [ 61.633760] CPU: 0 PID: 2020 Comm: cat Tainted: G [ 69.900659] CR2: 00007f83623df000 CR3: 0000000103136004 CR4: 00000000003706e0 [ 69.914841] Call Trace: D W 5.10.150-cip18 #1 # [ 61.642409] Hardware name:[ 69.917575] __refcount_add_not_zero.constprop.0+0x2a/0x35 Google Rammus/Rammus, BIOS 09/04/2020 # [ 61.649213] Call T[ 69.929911] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 race: # [ 61.651942] dump_stack+0x77/0x9b # [ 61.655647] [ 69.942451] direct_entry.cold+0x2c/0x38 [ 69.953047] full_proxy_write+0x53/0x80 ___might_sleep.cold+0xa6/0xb6 # [ 61.660220] exit_signals+0[ 69.957356] vfs_write+0xe7/0x3a0 [ 69.967267] ksys_write+0x68/0xf0 x1c/0x2e0 # [ 61.664209] do_exit+0xd5/0xb00 # [ 61.667703[ 69.970970] do_syscall_64+0x30/0x40 ] ? ksys_write+0x68/0xf0 # [ 61.671596] ? lkdtm_SLAB_FREE_C[ 69.981176] entry_SYSCALL_64_after_hwframe+0x61/0xc6 ROSS.cold+0x32/0x32 # [ 61.677041] rewind_stack_do_exit+0x17[ 69.993029] RIP: 0033:0x7f83624ec8f3 /0x20 # [ 61.681699] RIP: 0033:0x7f61bc8258f3 # [ 61.68568[ 70.003231] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 8] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff e[ 70.030427] RSP: 002b:00007fff961fcd68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 b b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00[ 70.045096] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f83624ec8f3 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 8[ 70.059282] RDX: 0000000000000020 RSI: 00007f83623df000 RDI: 0000000000000001 9 54 24 18 # [ 61.706674] RSP: 002b:00007ffee22ab408 EFLAGS: [ 70.073465] RBP: 00007f83623df000 R08: 00007f83623de010 R09: 0000000000000000 00000246 ORIG_RAX: 0000000000000001 # [ 61.715123] RAX: fffff[ 70.087650] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 fffffffffda RBX: 000000000000000b RCX: 00007f61bc8258f3 # [ 6[ 70.101834] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 1.723083] RDX: 000000000000000b RSI: 00007f61bc718000 RDI: 00000[ 70.116026] irq event stamp: 0 00000000001 # [ 61.731053] RBP: 00007f61bc718000 R08: 00007f6[ 70.125641] hardirqs last enabled at (0): [<0000000000000000>] 0x0 1bc717010 R09: 0000000000000000 # [ 61.739025] R10: fffffffff[ 70.138857] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 ffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 61.74[ 70.154207] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 6995] R13: 0000000000000001 R14: 0000000000020000 R15: 000000000[ 70.169555] softirqs last disabled at (0): [<0000000000000000>] 0x0 0020000 # WRITE_KERN: saw 'call trace:': ok ok 41 selftests: l[ 70.182768] ---[ end trace 77b35145f13bafcf ]--- kdtm: WRITE_KERN.sh # selftests: lkdtm: REFCOUNT_INC_OVERFLOW.s[ 70.194140] lkdtm: Saturation detected: still saturated h # [ 61.886686] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 61.898494] lkdtm: attempting good refcount_inc() without overflow # [ 61.905409] lkdtm: attempting bad refcount_inc() overflow # [ 61.911448] ------------[ cut here ]------------ # [ 61.916604] refcount_t: saturated; leaking memory. # [ 61.921982] WARNING: CPU: 3 PID: 2055 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 61.931416] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 61.964059] CPU: 3 PID: 2055 Comm: cat Tainted: G D W 5.10.150-cip18 #1 # [ 61.972756] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 61.985795] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 61.991662] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d f9 2e 94 01 00 75 ee 48 c7 c7 20 e2 f1 b2 c6 05 e9 2e 94 01 01 e8 fa 7d 95 00 <0f> 0b c3 cc cc cc cc 80 3d d5 2e 94 01 00 75 cb 48 c7 c7 48 e2 f1 # [ 62.012651] RSP: 0018:ffffa5c2428c7e48 EFLAGS: 00010286 # [ 62.018490] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 # [ 62.032681] RDX: ffff8bb83adac660 RSI: ffff8bb83ad9bf70 RDI: ffff8bb83ad9bf70 # [ 62.046868] RBP: ffffffffb2f827f5 R08: 0000000000000000 R09: 0000000000000000 # [ 62.054839] R1[ 70.345625] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED 0: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016[ 70.356870] lkdtm: attempting bad refcount_add_not_zero() from saturated [ 70.370577] ------------[ cut here ]------------ [ 70.375747] refcount_t: saturated; leaking memory. [ 70.381134] WARNING: CPU: 3 PID: 2521 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 62.069026] R13: ffffa5c2428c7f10 R14: ffffa5c2428c7f10 R1[ 70.390568] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 70.423228] CPU: 3 PID: 2521 Comm: cat Tainted: G D W 5.10.150-cip18 #1 5: ffff8bb7c56ff000 # [ 62.083214] FS: 00007fe208d6b580(0000[ 70.431891] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 70.444902] RIP: 0010:refcount_warn_saturate+0x97/0x110 [ 70.450762] Code: 01 01 e8 d7 7d 95 00 0f 0b c3 cc cc cc cc 80 3d b4 2e 94 01 00 75 a8 48 c7 c7 20 e2 f1 b2 c6 05 a4 2e 94 01 01 e8 b4 7d 95 00 <0f> 0b c3 cc cc cc cc 80 3d 8e 2e 94 01 00 75 85 48 c7 c7 78 e2 f1 ) GS:ffff8bb83ad80000(0000) knlGS:0000000000000000 # [ 62.092[ 70.471746] RSP: 0018:ffffa5c242fffe38 EFLAGS: 00010282 [ 70.483791] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 [ 70.491769] RDX: ffff8bb83adac660 RSI: ffff8bb83ad9bf70 RDI: ffff8bb83ad9bf70 255] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 62[ 70.499759] RBP: ffffffffb2f824e8 R08: 0000000000000000 R09: 0000000000000000 [ 70.513946] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 70.521919] R13: ffffa5c242ffff10 R14: ffffa5c242ffff10 R15: ffff8bb7c27c8000 [ 70.529891] FS: 00007fd60deb9580(0000) GS:ffff8bb83ad80000(0000) knlGS:0000000000000000 [ 70.538933] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.545350] CR2: 00007fd60dcc2000 CR3: 0000000103100005 CR4: 00000000003706e0 [ 70.553323] Call Trace: [ 70.556055] __refcount_add_not_zero.constprop.0+0x2a/0x35 .098675] CR2: 00007fe208b74000 CR3: 000000010618c001 CR4: 000000[ 70.562213] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 [ 70.574755] direct_entry.cold+0x2c/0x38 00003706e0 # [ 62.106648] Call Trace: # [ 62.109379] lkdt[ 70.579150] full_proxy_write+0x53/0x80 [ 70.589639] vfs_write+0xe7/0x3a0 [ 70.593372] ksys_write+0x68/0xf0 [ 70.597105] do_syscall_64+0x30/0x40 [ 70.601129] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 70.606812] RIP: 0033:0x7fd60ddcf8f3 [ 70.610816] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 70.631810] RSP: 002b:00007ffd80904ea8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 m_REFCOUNT_INC_OVERFLOW+0x70/0x98 # [ 62.114768] direct_entr[ 70.640302] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fd60ddcf8f3 [ 70.654491] RDX: 0000000000000020 RSI: 00007fd60dcc2000 RDI: 0000000000000001 y.cold+0x2c/0x38 # [ 62.125369] full_proxy_write+0x53/0x80 [ 70.662460] RBP: 00007fd60dcc2000 R08: 00007fd60dcc1010 R09: 0000000000000000 [ 70.676646] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 70.684617] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 70.692593] irq event stamp: 0 # [ 62.129663] vfs_write+0xe7/0x3a0 # [ 62.139573] ksys_w[ 70.696024] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 70.709237] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 70.718374] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 70.727511] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 70.734510] ---[ end trace 77b35145f13bafd0 ]--- [ 70.739667] lkdtm: Saturation detected: still saturated rite+0x68/0xf0 # [ 62.143275] do_syscall_64+0x30/0x40 # [ 62.147291] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 62.152935] RIP: 0033:0x7fe208c818f3 # [ 62.156926] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 62.177914] RSP: 002b:00007ffc5c1583f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 62.186374] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fe208c818f3 # [ 62.194346] RDX: 0000000000000016 RSI: 00007fe208b74000 RDI: 0000000000000001 # [ 62.202317] RBP: 00007fe208b74000 R08: 00007fe208b73010 R09: 0000000000000000 # [ 62.210291] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 62.218265] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 62.226260] irq event stamp: 0 # [ 62.229675] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 62.242890] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 62.252030] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 62.261169] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 62.268171] ---[ end trace 77b35145f13bafc2 ]--- # [ 62.273327] lkdtm: Overflow detected: saturated # REFCOUNT_INC_OVERFLOW: saw 'call trace:': ok ok 42 selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh[ 70.883568] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh # [ 62.421779] [ 70.896166] lkdtm: attempting bad refcount_dec_and_test() from saturated lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 62.4[ 70.909867] ------------[ cut here ]------------ 34440] lkdtm: attempting good refcount_add() without overflow #[ 70.921235] refcount_t: underflow; use-after-free. [ 62.447567] lkdtm: attempting bad refcount_add() overflow #[ 70.932814] WARNING: CPU: 2 PID: 2556 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 [ 62.459800] ------------[ cut here ]------------ # [ 62.4[ 70.948443] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 71143] refcount_t: saturated; leaking memory. # [ 62.482776] [ 70.981117] CPU: 2 PID: 2556 Comm: cat Tainted: G D W 5.10.150-cip18 #1 WARNING: CPU: 0 PID: 2087 at lib/refcount.c:22 refcount_warn_sat[ 70.995979] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 71.009010] RIP: 0010:refcount_warn_saturate+0xba/0x110 urate+0x51/0x110 # [ 62.498423] Modules linked in: fuse ip_ta[ 71.014874] Code: 01 01 e8 b4 7d 95 00 0f 0b c3 cc cc cc cc 80 3d 8e 2e 94 01 00 75 85 48 c7 c7 78 e2 f1 b2 c6 05 7e 2e 94 01 01 e8 91 7d 95 00 <0f> 0b c3 cc cc cc cc 80 3d 69 2e 94 01 00 0f 85 5e ff ff ff 48 c7 [ 71.042074] RSP: 0018:ffffa5c24308fe40 EFLAGS: 00010286 bles cros_ec_sensors cros_ec_sensors_core industrialio_triggered[ 71.047936] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 _buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cr[ 71.062120] RDX: ffff8bb83ad2c660 RSI: ffff8bb83ad1bf70 RDI: ffff8bb83ad1bf70 [ 71.076309] RBP: ffffffffb2f82508 R08: 0000000000000000 R09: 0000000000000000 os_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_the[ 71.084285] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 rmal cros_ec_dev cros_usbpd_notify # [ 62.531060] CPU: 0 PID:[ 71.098474] R13: ffffa5c24308ff10 R14: ffffa5c24308ff10 R15: ffff8bb7c3d05000 [ 71.112665] FS: 00007fef35523580(0000) GS:ffff8bb83ad00000(0000) knlGS:0000000000000000 2087 Comm: cat Tainted: G D W 5.10.150-cip18 #1 #[ 71.121710] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.545932] Hardware name: Google Rammus/Rammus, BIOS 09/04[ 71.134340] CR2: 00007fef3532c000 CR3: 0000000104fbe003 CR4: 00000000003706e0 /2020 # [ 62.558963] RIP: 0010:refcount_warn_saturate+0x51/0x[ 71.148528] Call Trace: 110 [ 71.157476] __refcount_sub_and_test.constprop.0+0x3c/0x50 [ 71.164115] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 # [ 62.571037] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46[ 71.170464] direct_entry.cold+0x2c/0x38 80 3d f9 2e 94 01 00 75 ee 48 c7 c7 20 e2 f1 b2 c6 05 e9 2e 94 [ 71.181055] full_proxy_write+0x53/0x80 01 01 e8 fa 7d 95 00 <0f> 0b c3 cc cc cc cc 80 3d d5 2e 94 01 00[ 71.191552] vfs_write+0xe7/0x3a0 [ 71.201493] ksys_write+0x68/0xf0 75 cb 48 c7 c7 48 e2 f1 # [ 62.598247] RSP: 0018:ffffa5c2429[ 71.205197] do_syscall_64+0x30/0x40 5fe48 EFLAGS: 00010286 # [ 62.610285] RAX: 0000000000000000 R[ 71.215406] entry_SYSCALL_64_after_hwframe+0x61/0xc6 BX: 000000000000002c RCX: 0000000000000000 # [ 62.624514] RDX[ 71.227264] RIP: 0033:0x7fef354398f3 : ffff8bb83ac2c660 RSI: ffff8bb83ac1bf70 RDI: ffff8bb83ac1bf70 [ 71.237472] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 62.638691] RBP: ffffffffb2f8280b R08: 0000000000000000 R09[ 71.264677] RSP: 002b:00007ffc0b1ba338 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 : 0000000000000000 # [ 62.652879] R10: 00000000ffffe000 R11: [ 71.279354] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fef354398f3 3fffffffffffffff R12: 0000000000000016 # [ 62.660882] R13: ff[ 71.293546] RDX: 0000000000000020 RSI: 00007fef3532c000 RDI: 0000000000000001 [ 71.307736] RBP: 00007fef3532c000 R08: 00007fef3532b010 R09: 0000000000000000 ffa5c24295ff10 R14: ffffa5c24295ff10 R15: ffff8bb7c3073000 [ 71.315711] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 71.329509] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 62.675062] FS: 00007f7032c2a580(0000) GS:ffff8bb83ac00000[ 71.337487] irq event stamp: 0 (0000) knlGS:0000000000000000 [ 71.347108] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 71.357125] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 62.690325] CS: 0010 DS: 0000 ES: 0000 CR0: 00000000800500[ 71.366287] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 33 # [ 62.702946] CR2: 00007f7032a33000 CR3: 00000001061dc002[ 71.381636] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 71.394850] ---[ end trace 77b35145f13bafd1 ]--- CR4: 00000000003706f0 # [ 62.717168] Call Trace: # [ 62.7[ 71.400011] lkdtm: Saturation detected: still saturated 26177] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 # [ 62.737705] direct_entry.cold+0x2c/0x38 # [ 62.748329] full_proxy_write+0x53/0x80 # [ 62.758821] vfs_write+0xe7/0x3a0 # [ 62.768783] ksys_write+0x68/0xf0 # [ 62.778705] do_syscall_64+0x30/0x40 # [ 62.788921] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 62.800778] RIP: 0033:0x7f7032b408f3 # [ 62.810995] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 62.838197] RSP: 002b:00007ffedce998a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 62.852911] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f7032b408f3 # [ 62.867097] RDX: 0000000000000016 RSI: 00007f7032a33000 RDI: 0000000000000001 # [ 62.881309] RBP: 00007f7032a33000 R08: 00007f7032a32010 R09: 0000000000000000 # [ 62.895515] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 62.909732] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 62.923974] irq event stamp: 0 # [ 62.933591] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 62.946818] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 62.962196] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 62.977561] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 62.990834] ---[ end trace 77b35145f13bafc3 ]--- # [ 63.002243] lkdtm: Overflow detected: saturated # REFCOUNT_ADD_OVERFL[ 71.566376] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED OW: saw 'call trace:': ok ok 43 selftests: lkdtm: REFCOUNT_ADD_[ 71.575118] lkdtm: attempting bad refcount_sub_and_test() from saturated OVERFLOW.sh # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.[ 71.588825] ------------[ cut here ]------------ sh # [ 63.129086] lkdtm: Performing direct entry REFCOUNT_INC[ 71.600188] refcount_t: underflow; use-after-free. _NOT_ZERO_OVERFLOW # [ 63.139093] lkdtm: attempting bad refco[ 71.611772] WARNING: CPU: 2 PID: 2591 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 unt_inc_not_zero() overflow # [ 63.146023] ------------[ cut [ 71.627408] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify here ]------------ # [ 63.157392] refcount_t: saturated; leak[ 71.660047] CPU: 2 PID: 2591 Comm: cat Tainted: G D W 5.10.150-cip18 #1 ing memory. # [ 63.162782] WARNING: CPU: 3 PID: 2119 at lib/r[ 71.674914] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 efcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 63.172254][ 71.687939] RIP: 0010:refcount_warn_saturate+0xba/0x110 Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_senso[ 71.699990] Code: 01 01 e8 b4 7d 95 00 0f 0b c3 cc cc cc cc 80 3d 8e 2e 94 01 00 75 85 48 c7 c7 78 e2 f1 b2 c6 05 7e 2e 94 01 01 e8 91 7d 95 00 <0f> 0b c3 cc cc cc cc 80 3d 69 2e 94 01 00 0f 85 5e ff ff ff 48 c7 rs_core industrialio_triggered_buffer kfifo_buf industrialio cro[ 71.727190] RSP: 0018:ffffa5c2430f7e40 EFLAGS: 00010286 s_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros[ 71.739243] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 _ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify[ 71.753432] RDX: ffff8bb83ad2c660 RSI: ffff8bb83ad1bf70 RDI: ffff8bb83ad1bf70 # [ 63.198707] CPU: 3 PID: 2119 Comm: cat Tainted: G D [ 71.767618] RBP: ffffffffb2f82528 R08: 0000000000000000 R09: 0000000000000000 W 5.10.150-cip18 #1 # [ 63.213566] Hardware name: Goo[ 71.781807] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 gle Rammus/Rammus, BIOS 09/04/2020 # [ 63.220374] RIP: 0010:[ 71.795993] R13: ffffa5c2430f7f10 R14: ffffa5c2430f7f10 R15: ffff8bb7c31c7000 refcount_warn_saturate+0x97/0x110 # [ 63.226210] Code: 01 01 [ 71.810182] FS: 00007f87c98d6580(0000) GS:ffff8bb83ad00000(0000) knlGS:0000000000000000 e8 d7 7d 95 00 0f 0b c3 cc cc cc cc 80 3d b4 2e 94 01 00 75 a8 4[ 71.825441] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 8 c7 c7 20 e2 f1 b2 c6 05 a4 2e 94 01 01 e8 b4 7d 95 00 <0f> 0b [ 71.838077] CR2: 00007f87c96df000 CR3: 0000000104efa001 CR4: 00000000003706e0 [ 71.852264] Call Trace: c3 cc cc cc cc 80 3d 8e 2e 94 01 00 75 85 48 c7 c7 78 e2 f1 # [[ 71.854997] __refcount_sub_and_test.constprop.0+0x3c/0x50 63.247193] RSP: 0018:ffffa5c2429f7e38 EFLAGS: 00010282 # [ [ 71.867333] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 63.253028] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 000[ 71.879873] direct_entry.cold+0x2c/0x38 0000000000000 # [ 63.260999] RDX: ffff8bb83adac660 RSI: ffff8[ 71.890468] full_proxy_write+0x53/0x80 bb83ad9bf70 RDI: ffff8bb83ad9bf70 # [ 63.268971] RBP: fffffff[ 71.900968] vfs_write+0xe7/0x3a0 fb2f82448 R08: 0000000000000000 R09: 0000000000000000 # [ 63.[ 71.910882] ksys_write+0x68/0xf0 276940] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000[ 71.920808] do_syscall_64+0x30/0x40 00000001f # [ 63.284912] R13: ffffa5c2429f7f10 R14: ffffa5c24[ 71.931043] entry_SYSCALL_64_after_hwframe+0x61/0xc6 29f7f10 R15: ffff8bb7c387d000 # [ 63.299102] FS: 00007f3eeab[ 71.942892] RIP: 0033:0x7f87c97ec8f3 61580(0000) GS:ffff8bb83ad80000(0000) knlGS:0000000000000000 # [ 71.953078] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 63.314359] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033[ 71.980280] RSP: 002b:00007ffef22dff88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 63.320779] CR2: 00007f3eea96a000 CR3: 0000000104cfe004 C[ 71.994956] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f87c97ec8f3 R4: 00000000003706e0 # [ 63.328809] Call Trace: # [ 63.331[ 72.009145] RDX: 0000000000000020 RSI: 00007f87c96df000 RDI: 0000000000000001 541] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 63.33[ 72.023333] RBP: 00007f87c96df000 R08: 00007f87c96de010 R09: 0000000000000000 7693] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 63.[ 72.037522] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 350128] direct_entry.cold+0x2c/0x38 # [ 63.354533] full_pro[ 72.051708] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 xy_write+0x53/0x80 # [ 63.358820] vfs_write+0xe7/0x3a0 # [ [ 72.065918] irq event stamp: 0 63.368726] ksys_write+0x68/0xf0 # [ 63.372451] do_syscall[ 72.075520] hardirqs last enabled at (0): [<0000000000000000>] 0x0 _64+0x30/0x40 # [ 63.376442] entry_SYSCALL_64_after_hwframe+[ 72.088734] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 0x61/0xc6 # [ 63.382084] RIP: 0033:0x7f3eeaa778f3 # [ 63.3[ 72.104081] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 86076] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff [ 72.119429] softirqs last disabled at (0): [<0000000000000000>] 0x0 ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 0[ 72.132643] ---[ end trace 77b35145f13bafd2 ]--- 0 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 [ 72.144010] lkdtm: Saturation detected: still saturated 48 89 54 24 18 # [ 63.407062] RSP: 002b:00007fffa910b748 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 63.415522] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f3eeaa778f3 # [ 63.423494] RDX: 000000000000001f RSI: 00007f3eea96a000 RDI: 0000000000000001 # [ 63.431467] RBP: 00007f3eea96a000 R08: 00007f3eea969010 R09: 0000000000000000 # [ 63.439442] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 63.447414] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 63.455391] irq event stamp: 0 # [ 63.458824] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 63.472037] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 63.481175] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 63.490313] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 63.497314] ---[ end trace 77b35145f13bafc4 ]--- # [ 63.502470] 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 # [ 63.639816] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 63.651905] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 63.658855] ------------[ cut here ]------------ # [ 63.664064] refcount_t: saturated; leaking memory. # [ 63.669475] WARNING: CPU: 1 PID: 2151 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 63.678914] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 63.711547] CPU: 1 PID: 2151 Comm: cat Tainted: G D W 5.10.150-cip18 #1 # [ 63.720231] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 63.727040] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 63.732879] Code: 01 01 e8 d7 7d 95 00 0f 0b c3 cc cc cc cc 80 3d b4 2e 94 01 00 75 a8 48 c7 c7 20 e2 f1 b2 c6 05 a4 2e 94 01 [ 72.366207] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO 01 e8 b4 7d 95 00 <0f> 0b c3 cc cc cc cc 80 3d 8e 2e 94 01 00 75[ 72.374318] lkdtm: attempting good copy_to_user of correct size 85 48 c7 c7 78 e2 f1 # [ 63.753894] RSP: 0018:ffffa5c242a5fe[ 72.387185] lkdtm: attempting bad copy_to_user of too large size 38 EFLAGS: 00010282 # [ 63.759759] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 63.767742] RDX: ffff8bb83acac660 RSI: ffff8bb83ac9bf70 RDI: ffff8bb83ac9bf70 # [ 63.781921] RBP: ffffffffb2f82468 R08: 0000000000000000 R09: 0000000000000000 # [ 63.789926] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 63.797899] R13: ffffa5c242a5ff10 R14: ffffa5c242a5ff10 R15: ffff8bb7c41d1000 # [ 63.805871] FS: 00007fbebba56580(0000) GS:ffff8bb83ac80000(0000) knlGS:0000000000000000 # [ 63.814911] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 63.821331] CR2: 00007fbebb85f000 CR3: 00000001054e2005 CR4: 00000000003706e0 # [ 63.829307] Call Trace: # [ 63.832039] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 63.838197] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 63.850626] direct_entry.cold+0x2c/0x38 # [ 63.855040] full_proxy_write+0x53/0x80 # [ 63.859355] vfs_write+0xe7/0x3a0 # [ 63.863089] ksys_write+0x68/0xf0 # [ 63.866820] do_syscall_64+0x30/0x40 # [ 63.870821] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 63.876494] RIP: 0033:0x7fbebb96c8f3 # [ 63.880487] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 63.901502] RSP: [ 72.531402] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM [ 72.543697] lkdtm: attempting good copy_from_user of correct size [ 72.550563] lkdtm: attempting bad copy_from_user of too large size 002b:00007ffff85fa278 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 63.909986] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fbebb96c8f3 # [ 63.917960] RDX: 000000000000001f RSI: 00007fbebb85f000 RDI: 0000000000000001 # [ 63.925935] RBP: 00007fbebb85f000 R08: 00007fbebb85e010 R09: 0000000000000000 # [ 63.940126] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 63.954316] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 63.962342] irq event stamp: 0 # [ 63.965759] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 63.978972] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 63.988135] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 63.997273] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 64.010483] ---[ end trace 77b35145f13bafc5 ]--- # [ 64.015640] 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 # [ 64.148643] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 64.157566] lkdtm: attempting good refcount_dec() # [ 64.169039] lkdtm: attempting bad refcount_dec() to zero # [ 64.181189] ------------[ cut here ]------------ # [ 64.192560] refcount_t: decrement hit 0; leaking memory. # [ 64.204743] WARNING: CPU: 2 PID:[ 72.699772] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO 2183 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 72.707850] lkdtm: attempting good copy_to_user inside whitelist [ 64.220361] Modules linked in: fuse ip_tables cros_ec_sensors[ 72.720827] lkdtm: attempting bad copy_to_user outside whitelist cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 64.253006] CPU: 2 PID: 2183 Comm: cat Tainted: G D W 5.10.150-cip18 #1 # [ 64.267907] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 64.280918] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 64.292949] Code: d0 e2 f1 b2 c6 05 55 2e 94 01 01 e8 6a 7d 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 a0 e2 f1 b2 c6 05 3c 2e 94 01 01 e8 50 7d 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 64.320148] RSP: 0018:ffffa5c242affe48 EFLAGS: 00010286 # [ 64.332202] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 # [ 64.346393] RDX: ffff8bb83ad2c660 RSI: ffff8bb83ad1bf70 RDI: ffff8bb83ad1bf70 # [ 64.360583] RBP: ffffffffb2f82821 R08: 0000000000000000 R09: 0000000000000000 # [ 64.374772] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 64.388960] R13: ffffa5c242afff10 R14: ffffa5c242afff10 R15: ffff8bb7c2720000 # [ 64.403148] FS: 00007f88e9de3580(0000) GS:ffff8bb83ad00000(0000) knlGS:0000000000000000 # [ 64.418402] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 64.431036] CR2: 00007f88e9bec000 CR3: 00000001026f4003 CR4: 00000000003706e0 # [ 64.445227] Call Trace: # [ 64.454177] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd # [ 64.465356] direct_entry.cold+0x2c/0x38 # [ 64.475951] full_proxy_write+0x53/0x80 # [ 64.486450] vfs_write+0xe7/0x3a0 # [ 64.496367] ksys_write+0x68/0xf0 # [ 64.506285] do_syscall[ 72.894527] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM _64+0x30/0x40 # [ 64.516494] entry_SYSCALL_64_after_hwframe+[ 72.902884] lkdtm: attempting good copy_from_user inside whitelist 0x61/0xc6 # [ 64.528352] RIP: 0033:0x7f88e9cf98f3 # [ 64.5[ 72.916011] lkdtm: attempting bad copy_from_user outside whitelist 38557] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 64.565760] RSP: 002b:00007ffcb2cd74c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 64.580429] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f88e9cf98f3 # [ 64.594615] RDX: 0000000000000012 RSI: 00007f88e9bec000 RDI: 0000000000000001 # [ 64.608805] RBP: 00007f88e9bec000 R08: 00007f88e9beb010 R09: 0000000000000000 # [ 64.622993] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 64.637182] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 64.651394] irq event stamp: 0 # [ 64.660998] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 64.674219] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 64.689574] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 64.704927] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 64.718143] ---[ end trace 77b35145f13bafc6 ]--- # [ 64.729516] lkdtm: Zero detected: saturated # REFCOUNT_DEC_ZERO: saw 'call trace:': ok ok 46 selftests: lkdtm: REFCOUNT_DEC_ZERO.sh # selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh # [ 64.877830] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 64.890057] lkdtm: attempting bad refcount_dec() below zero # [ 64.896296] ------------[ cut here ]------------ # [ 64.[ 73.076343] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO [ 73.085331] lkdtm: good_stack: ffffa5c2434bfe20-ffffa5c2434bfe40 [ 73.092059] lkdtm: bad_stack : ffffa5c2434bfda8-ffffa5c2434bfdc8 [ 73.098792] lkdtm: attempting good copy_to_user of local stack [ 73.105338] lkdtm: attempting bad copy_to_user of distant stack 901465] refcount_t: decrement hit 0; leaking memory. # [ 64.907437] WARNING: CPU: 1 PID: 2218 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 64.916870] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 64.949503] CPU: 1 PID: 2218 Comm: cat Tainted: G D W 5.10.150-cip18 #1 # [ 64.958184] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 64.964992] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 64.970831] Code: d0 e2 f1 b2 c6 05 55 2e 94 01 01 e8 6a 7d 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 a0 e2 f1 b2 c6 05 3c 2e 94 01 01 e8 50 7d 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 64.991844] RSP: 0018:ffffa5c242b87e48 EFLAGS: 00010286 # [ 64.997714] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 # [ 65.005717] RDX: ffff8bb83acac660 RSI: ffff8bb83ac9bf70 RDI: ffff8bb83ac9bf70 # [ 65.013722] RBP: ffffffffb2f82833 R08: 0000000000000000 R09: 0000000000000000 # [ 65.021724] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 65.029720] R13: ffffa5c242b87f10 R14: ffffa5c242b87f10 R15: ffff8bb7c4[ 73.239653] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM [ 73.249632] lkdtm: good_stack: ffffa5c243557e20-ffffa5c243557e40 [ 73.256353] lkdtm: bad_stack : ffffa5c243557da8-ffffa5c243557dc8 f4e000 # [ 65.037724] FS: 00007f5803adb580(0000) GS:ffff8bb8[ 73.263080] lkdtm: attempting good copy_from_user of local stack [ 73.275999] lkdtm: attempting bad copy_from_user of distant stack 3ac80000(0000) knlGS:0000000000000000 # [ 65.046807] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 65.053219] CR2: 00007f58038e4000 CR3: 0000000103c9c003 CR4: 00000000003706e0 # [ 65.061191] Call Trace: # [ 65.063924] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 # [ 65.069306] direct_entry.cold+0x2c/0x38 # [ 65.073740] full_proxy_write+0x53/0x80 # [ 65.078036] vfs_write+0xe7/0x3a0 # [ 65.087945] ksys_write+0x68/0xf0 # [ 65.091676] do_syscall_64+0x30/0x40 # [ 65.101873] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 65.107517] RIP: 0033:0x7f58039f18f3 # [ 65.111538] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 65.132525] RSP: 002b:00007fff0e1c34d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 65.141013] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f58039f18f3 # [ 65.148987] RDX: 0000000000000016 RSI: 00007f58038e4000 RDI: 0000000000000001 # [ 65.156960] RBP: 00007f58038e4000 R08: 00007f58038e3010 R09: 0000000000000000 # [ 65.164936] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 65.172909] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 65.180885] irq event stamp: 0 # [ 65.184344] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 65.191348] hardirqs last disabl[ 73.419807] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND [ 73.432595] lkdtm: good_stack: ffffa5c2435efe20-ffffa5c2435efe40 [ 73.439315] lkdtm: bad_stack : ffffa5c2435efff8-ffffa5c2435f0018 [ 73.446038] lkdtm: attempting good copy_to_user of local stack [ 73.452563] lkdtm: attempting bad copy_to_user of distant stack [ 73.459203] lkdtm: copy_to_user failed, but lacked Oops ed at (0): [] copy_process+0x640/0x1c80 # [ 65.206699] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 65.215867] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 65.222870] ---[ end trace 77b35145f13bafc7 ]--- # [ 65.228026] 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 # [ 65.363628] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 65.377452] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 65.384589] ------------[ cut here ]------------ # [ 65.389761] refcount_t: underflow; use-after-free. # [ 65.395149] WARNING: CPU: 1 PID: 2253 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 65.404587] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 65.431042] CPU: 1 PID: 2253 Comm: cat Tainted: G D W 5.10.150-cip18 #1 # [ 65.439695] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 65.446504] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 65.452344] Code: 01 01 e8 b4 7d 95 00 0f 0b c3 cc cc cc cc 80 3d 8e 2e 94 01 00 75 85 48 c7 c7 78 e2 f1 b2 c6 05 7e 2e 94 01 01 e8 91 7d 95 00 <0f> 0b c3 cc cc cc cc 80 3d 69 2e 94 01 00 0f 85 5e ff ff ff 48 c7 # [ 65.479547] RSP: 0018:ffffa5c242bd7e40 EFLAGS: 00010286 # [ 65.485386] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 # [ 65.493357] RDX: ffff8bb83acac660 RSI: ffff8bb83ac[ 73.636811] lkdtm: Performing direct entry USERCOPY_KERNEL 9bf70 RDI: ffff8bb83ac9bf70 # [ 65.501330] RBP: ffffffffb2f82[ 73.645264] lkdtm: attempting good copy_to_user from kernel rodata: ffffffffb2b9b730 488 R08: 0000000000000000 R09: 0000000000000000 # [ 65.509325[ 73.660130] lkdtm: attempting bad copy_to_user from kernel text: ffffffffb18e31d0 ] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000[ 73.674745] lkdtm: FAIL: survived bad copy_to_user() 01f # [ 65.517307] R13: ffffa5c242bd7f10 R14: ffffa5c242bd7f10 R15: ffff8bb7c4f4d000 # [ 65.531490] FS: 00007f57fc1d3580(0000) GS:ffff8bb83ac80000(0000) knlGS:0000000000000000 # [ 65.540531] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 65.546949] CR2: 00007f57fbfdc000 CR3: 00000001039d8005 CR4: 00000000003706e0 # [ 65.554922] Call Trace: # [ 65.557654] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 65.563815] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 # [ 65.570066] direct_entry.cold+0x2c/0x38 # [ 65.574447] full_proxy_write+0x53/0x80 # [ 65.578761] vfs_write+0xe7/0x3a0 # [ 65.588668] ksys_write+0x68/0xf0 # [ 65.592371] do_syscall_64+0x30/0x40 # [ 65.596386] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 65.602028] RIP: 0033:0x7f57fc0e98f3 # [ 65.606019] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 65.627004] RSP: 002b:00007ffdd9b30848 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 65.635462] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f57fc0e98f3 # [ 65.643431] RDX: 000000000000001f RSI: 00007f57fbfdc000 RDI: 0000000000000001 # [ 65.651403] RBP: 00007f57fbfdc000 R08: 00007f57fbfdb010 R09: 0000000000000000 # [ 65.659376] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 65.667349] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 65.675326] irq event stamp: 0 # [ 65.678757] har[ 73.838656] lkdtm: Performing direct entry STACKLEAK_ERASING dirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 65.6[ 73.848230] lkdtm: checking unused part of the thread stack (15928 bytes)... 91973] hardirqs last disabled at (0): [] copy_[ 73.862329] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) process+0x640/0x1c80 # [ 65.701112] softirqs last enabled at[ 73.876313] lkdtm: FAIL: the thread stack is NOT properly erased (0): [] copy_process+0x640/0x1c80 # [ 65.7[ 73.889239] CPU: 2 PID: 2956 Comm: cat Tainted: G D W 5.10.150-cip18 #1 [ 73.904099] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 73.910894] Call Trace: 10250] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 73.913627] dump_stack+0x77/0x9b [ 73.923538] lkdtm_STACKLEAK_ERASING+0x116/0x144 # [ 65.717252] ---[ end trace 77b35145f13bafc8 ]--- # [ 65.[ 73.928693] direct_entry.cold+0x2c/0x38 722409] lkdtm: Negative detected: saturated # REFCOUNT_DEC_AND_[ 73.939285] full_proxy_write+0x53/0x80 TEST_NEGATIVE: saw 'Negative detected: saturated': ok ok 48 sel[ 73.949782] vfs_write+0xe7/0x3a0 [ 73.959695] ksys_write+0x68/0xf0 [ 73.963394] do_syscall_64+0x30/0x40 ftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh # selftests: l[ 73.967383] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 73.979232] RIP: 0033:0x7faa374798f3 kdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh # [ 65.877150] lkdtm:[ 73.983223] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 74.010412] RSP: 002b:00007fff41415fc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 74.018867] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007faa374798f3 [ 74.026837] RDX: 0000000000000012 RSI: 00007faa3736c000 RDI: 0000000000000001 [ 74.034807] RBP: 00007faa3736c000 R08: 00007faa3736b010 R09: 0000000000000000 Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 6[ 74.042777] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 74.056959] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 5.890622] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 65.897731] ------------[ cut here ]------------ # [ 65.902894] refcount_t: underflow; use-after-free. # [ 65.908272] WARNING: CPU: 1 PID: 2288 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 65.917705] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 65.950340] CPU: 1 PID: 2288 Comm: cat Tainted: G D W 5.10.150-cip18 #1 # [ 65.958992] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 65.965803] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 65.971640] Code: 01 01 e8 b4 7d 95 00 0f 0b c3 cc cc cc cc 80 3d 8e 2e 94 01 00 75 85 48 c7 c7 78 e2 f1 b2 c6 05 7e 2e 94 01 01 e8 91 7d 95 00 <0f> 0b c3 cc cc cc cc 80 3d 69 2e 94 01 00 0f 85 5e ff ff ff 48 c7 # [ 65.992628] RSP: 0018:ffffa5c242c67e40 EFLAGS: 00010286 # [ 65.998464] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 # [ 66.006442] RDX: ffff8bb83acac660 RSI: ffff8bb83ac9bf70 RDI: ffff8bb83ac9bf70 # [ 66.020632] RBP: ffffffffb2f824a8 R08: 0000000000000000 R09: 0000000000000000 # [ 66.028634] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 66.036607] R13: ffffa5c242c67f10 R14: ffffa5c242c67f10 R15: ffff8bb7c3fcf000 # [ 66.044580] FS: 00007fd97490f580(0000) GS:ffff8bb83ac80000(0000) knlGS:0000000000000000 # [ 66.053622] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 66.060043] CR2: 00007fd974718000 CR3: 0000000104f4c003 CR4: 00000000003706e0 # [ 66.068017] Call Trace: # [ 66.070762] __refcount_sub_and_[ 74.234843] lkdtm: Performing direct entry CFI_FORWARD_PROTO [ 74.245373] lkdtm: Calling matched prototype ... [ 74.250542] lkdtm: Calling mismatched prototype ... [ 74.256004] lkdtm: Fail: survived mismatched prototype function call! test.constprop.0+0x3c/0x50 # [ 66.083108] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b # [ 66.089359] direct_entry.cold+0x2c/0x38 # [ 66.099945] full_proxy_write+0x53/0x80 # [ 66.104255] vfs_write+0xe7/0x3a0 # [ 66.107986] ksys_write+0x68/0xf0 # [ 66.111712] do_syscall_64+0x30/0x40 # [ 66.115758] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 66.127613] RIP: 0033:0x7fd9748258f3 # [ 66.131606] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 66.152596] RSP: 002b:00007ffeb8575ce8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 66.161080] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fd9748258f3 # [ 66.169055] RDX: 000000000000001f RSI: 00007fd974718000 RDI: 0000000000000001 # [ 66.177028] RBP: 00007fd974718000 R08: 00007fd974717010 R09: 0000000000000000 # [ 66.185000] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 66.192971] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 66.200966] irq event stamp: 0 # [ 66.204382] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 66.217596] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 66.226766] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 66.235904] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 66.242905] ---[ end trace 77b35145f13bafc9 ]--- # [ 66.248063] 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 # [ 66.391350] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 66.402503] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 66.415814] lkdtm: Good: zero detected # [ 66.426214] lkdtm: Correctly stayed at zero # [ 66.437101] lkdtm: attempting bad refcount_inc() from zero # [ 66.449446] ------------[ cut here ]------------ # [ 66.460821] refcount_t: addition on 0; use-after-free. # [ 66.472804] WARNING: CPU: 2 PID: 2320 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 66.488425] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 66.521073] CPU: 2 PID: 2320 Comm: cat Tainted: G D W 5.10.150-cip18 #1 # [ 66.535943] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 66.548966] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 66.561017] Code: 01 01 e8 fa 7d 95 00 0f 0b c3 cc cc cc cc 80 3d d5 2e 94 01 00 75 cb 48 c7 c7 48 e2 f1 b2 c6 05 c5 2e 94 01 01 e8 d7 7d 95 00 <0f> 0b c3 cc cc cc cc 80 3d b4 2e 94 01 00 75 a8 48 c7 c7 20 e2 f1 # [ 66.588219] RSP: 0018:ffffa5c242cf7e48 EFLAGS: 00010286 # [ 66.600273] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 # [ 66.614464] RDX: ffff8bb83ad2c660 RSI: ffff8bb83ad1bf70 RDI: ffff8bb83ad1bf70 # [ 66.628654] RBP: ffffffffb2f82849 R08: 0000000000000000 R09: 0000000000000000 # [ 66.642838] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 66.657027] R13: ffffa5c242cf7f10 R14: ffffa5c242cf7f10 R15: ffff8bb7c61e7000 # [ 66.671218] FS: 00007f12e6224580(0000) GS:ffff8bb83ad00000(0000) knlGS:0000000000000000 # [ 66.686470] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 66.699104] CR2: 00007f12e602d000 CR3: 000000010304e004 CR4: 00000000003706e0 # [ 66.713292] Call Trace: # [ 66.722241] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 # [ 66.733419] direct_entry.cold+0x2c/0x38 # [ 66.744019] full_proxy_write+0x53/0x80 # [ 66.754507] vfs_write+0xe7/0x3a0 # [ 66.764418] ksys_write+0x68/0xf0 # [ 66.774333] do_syscall_64+0x30/0x40 # [ 66.784538] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 66.796392] RIP: 0033:0x7f12e613a8f3 # [ 66.806596] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 66.833795] RSP: 002b:00007fff0b346138 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 66.848468] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f12e613a8f3 # [ 66.862655] RDX: 0000000000000012 RSI: 00007f12e602d000 RDI: 0000000000000001 # [ 66.876843] RBP: 00007f12e602d000 R08: 00007f12e602c010 R09: 0000000000000000 # [ 66.891033] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 66.905221] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 66.919415] irq event stamp: 0 # [ 66.929033] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 66.942248] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 66.957601] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 66.972959] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 66.986177] ---[ end trace 77b35145f13bafca ]--- # [ 66.997547] 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 # [ 67.145163] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 67.157716] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 67.164868] lkdtm: Good: zero detected # [ 67.169061] lkdtm: Correctly stayed at zero # [ 67.179943] lkdtm: attempting bad refcount_add() from zero # [ 67.186069] ------------[ cut here ]------------ # [ 67.191226] refcount_t: addition on 0; use-after-free. # [ 67.196991] WARNING: CPU: 3 PID: 2352 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 67.206426] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 67.239064] CPU: 3 PID: 2352 Comm: cat Tainted: G D W 5.10.150-cip18 #1 # [ 67.247743] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 67.260772] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 67.266638] Code: 01 01 e8 fa 7d 95 00 0f 0b c3 cc cc cc cc 80 3d d5 2e 94 01 00 75 cb 48 c7 c7 48 e2 f1 b2 c6 05 c5 2e 94 01 01 e8 d7 7d 95 00 <0f> 0b c3 cc cc cc cc 80 3d b4 2e 94 01 00 75 a8 48 c7 c7 20 e2 f1 # [ 67.287633] RSP: 0018:ffffa5c242d9fe48 EFLAGS: 00010286 # [ 67.293525] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 # [ 67.301511] RDX: ffff8bb83adac660 RSI: ffff8bb83ad9bf70 RDI: ffff8bb83ad9bf70 # [ 67.315687] RBP: ffffffffb2f8285b R08: 0000000000000000 R09: 0000000000000000 # [ 67.323660] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 67.331632] R13: ffffa5c242d9ff10 R14: ffffa5c242d9ff10 R15: ffff8bb7c56fb000 # [ 67.339607] FS: 00007f0a01a02580(0000) GS:ffff8bb83ad80000(0000) knlGS:0000000000000000 # [ 67.348678] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 67.355096] CR2: 00007f0a0180b000 CR3: 0000000103ed8001 CR4: 00000000003706e0 # [ 67.363067] Call Trace: # [ 67.365816] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 # [ 67.370820] direct_entry.cold+0x2c/0x38 # [ 67.375235] full_proxy_write+0x53/0x80 # [ 67.379551] vfs_write+0xe7/0x3a0 # [ 67.383284] ksys_write+0x68/0xf0 # [ 67.387015] do_syscall_64+0x30/0x40 # [ 67.391040] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 67.396711] RIP: 0033:0x7f0a019188f3 # [ 67.400703] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 67.421712] RSP: 002b:00007ffd8522f448 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 67.430170] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f0a019188f3 # [ 67.438141] RDX: 0000000000000012 RSI: 00007f0a0180b000 RDI: 0000000000000001 # [ 67.446116] RBP: 00007f0a0180b000 R08: 00007f0a0180a010 R09: 0000000000000000 # [ 67.454089] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 67.462064] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 67.470043] irq event stamp: 0 # [ 67.473484] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 67.480490] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 67.489633] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 67.498809] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 67.505813] ---[ end trace 77b35145f13bafcb ]--- # [ 67.510967] lkdtm: Zero detected: saturated # REFCOUNT_ADD_ZERO: saw 'call trace:': ok ok 51 selftests: lkdtm: REFCOUNT_ADD_ZERO.sh # selftests: lkdtm: REFCOUNT_INC_SATURATED.sh # [ 67.671296] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 67.684270] lkdtm: attempting bad refcount_inc() from saturated # [ 67.697120] ------------[ cut here ]------------ # [ 67.708490] refcount_t: saturated; leaking memory. # [ 67.720078] WARNING: CPU: 0 PID: 2387 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 67.735737] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 67.768379] CPU: 0 PID: 2387 Comm: cat Tainted: G D W 5.10.150-cip18 #1 # [ 67.783243] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 67.796267] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 67.808327] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d f9 2e 94 01 00 75 ee 48 c7 c7 20 e2 f1 b2 c6 05 e9 2e 94 01 01 e8 fa 7d 95 00 <0f> 0b c3 cc cc cc cc 80 3d d5 2e 94 01 00 75 cb 48 c7 c7 48 e2 f1 # [ 67.835548] RSP: 0018:ffffa5c242e2fe48 EFLAGS: 00010286 # [ 67.847605] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 # [ 67.861834] RDX: ffff8bb83ac2c660 RSI: ffff8bb83ac1bf70 RDI: ffff8bb83ac1bf70 # [ 67.876052] RBP: ffffffffb2f8286d R08: 0000000000000000 R09: 0000000000000000 # [ 67.890261] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 67.904454] R13: ffffa5c242e2ff10 R14: ffffa5c242e2ff10 R15: ffff8bb7c56ac000 # [ 67.918665] FS: 00007fecccda6580(0000) GS:ffff8bb83ac00000(0000) knlGS:0000000000000000 # [ 67.933924] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 67.946566] CR2: 00007fecccbaf000 CR3: 00000001026f4004 CR4: 00000000003706f0 # [ 67.960770] Call Trace: # [ 67.969751] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 # [ 67.981434] direct_entry.cold+0x2c/0x38 # [ 67.992060] full_proxy_write+0x53/0x80 # [ 68.002535] vfs_write+0xe7/0x3a0 # [ 68.012473] ksys_write+0x68/0xf0 # [ 68.022378] do_syscall_64+0x30/0x40 # [ 68.032587] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 68.044428] RIP: 0033:0x7feccccbc8f3 # [ 68.054650] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 68.081841] RSP: 002b:00007fff8c458e58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 68.096537] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007feccccbc8f3 # [ 68.110709] RDX: 0000000000000017 RSI: 00007fecccbaf000 RDI: 0000000000000001 # [ 68.124920] RBP: 00007fecccbaf000 R08: 00007fecccbae010 R09: 0000000000000000 # [ 68.139100] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 68.153306] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 68.167485] irq event stamp: 0 # [ 68.177117] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 68.190332] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 68.205686] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 68.221040] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 68.234269] ---[ end trace 77b35145f13bafcc ]--- # [ 68.245632] 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 # [ 68.409357] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 68.420100] lkdtm: attempting bad refcount_dec() from saturated # [ 68.432926] ------------[ cut here ]------------ # [ 68.444299] refcount_t: decrement hit 0; leaking memory. # [ 68.456478] WARNING: CPU: 2 PID: 2422 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 68.472101] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 68.504757] CPU: 2 PID: 2422 Comm: cat Tainted: G D W 5.10.150-cip18 #1 # [ 68.519626] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 68.532655] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 68.544708] Code: d0 e2 f1 b2 c6 05 55 2e 94 01 01 e8 6a 7d 95 00 0f 0b c3 cc cc cc cc 48 c7 c7 a0 e2 f1 b2 c6 05 3c 2e 94 01 01 e8 50 7d 95 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 68.571909] RSP: 0018:ffffa5c242eafe48 EFLAGS: 00010286 # [ 68.583957] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 # [ 68.598164] RDX: ffff8bb83ad2c660 RSI: ffff8bb83ad1bf70 RDI: ffff8bb83ad1bf70 # [ 68.612329] RBP: ffffffffb2f82884 R08: 0000000000000000 R09: 0000000000000000 # [ 68.626509] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 68.640697] R13: ffffa5c242eaff10 R14: ffffa5c242eaff10 R15: ffff8bb7c5430000 # [ 68.654882] FS: 00007f3d91a75580(0000) GS:ffff8bb83ad00000(0000) knlGS:0000000000000000 # [ 68.670135] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 68.682771] CR2: 00007f3d9187e000 CR3: 0000000103104002 CR4: 00000000003706e0 # [ 68.696960] Call Trace: # [ 68.699694] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f # [ 68.711351] direct_entry.cold+0x2c/0x38 # [ 68.721948] full_proxy_write+0x53/0x80 # [ 68.732447] vfs_write+0xe7/0x3a0 # [ 68.742362] ksys_write+0x68/0xf0 # [ 68.752280] do_syscall_64+0x30/0x40 # [ 68.762488] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 68.774348] RIP: 0033:0x7f3d9198b8f3 # [ 68.784554] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 68.805537] RSP: 002b:00007fff19a904b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 68.820208] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f3d9198b8f3 # [ 68.834394] RDX: 0000000000000017 RSI: 00007f3d9187e000 RDI: 0000000000000001 # [ 68.848579] RBP: 00007f3d9187e000 R08: 00007f3d9187d010 R09: 0000000000000000 # [ 68.862766] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 68.876951] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 68.891139] irq event stamp: 0 # [ 68.900763] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 68.913976] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 68.929325] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 68.944674] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 68.957888] ---[ end trace 77b35145f13bafcd ]--- # [ 68.969257] 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 # [ 69.126510] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 69.137280] lkdtm: attempting bad refcount_dec() from saturated # [ 69.143921] ------------[ cut here ]------------ # [ 69.149102] refcount_t: saturated; leaking memory. # [ 69.154497] WARNING: CPU: 3 PID: 2457 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 69.163937] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 69.190397] CPU: 3 PID: 2457 Comm: cat Tainted: G D W 5.10.150-cip18 #1 # [ 69.199072] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 69.205882] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 69.211722] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d f9 2e 94 01 00 75 ee 48 c7 c7 20 e2 f1 b2 c6 05 e9 2e 94 01 01 e8 fa 7d 95 00 <0f> 0b c3 cc cc cc cc 80 3d d5 2e 94 01 00 75 cb 48 c7 c7 48 e2 f1 # [ 69.232758] RSP: 0018:ffffa5c242f17e48 EFLAGS: 00010286 # [ 69.244811] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 # [ 69.252800] RDX: ffff8bb83adac660 RSI: ffff8bb83ad9bf70 RDI: ffff8bb83ad9bf70 # [ 69.260806] RBP: ffffffffb2f8289b R08: 0000000000000000 R09: 0000000000000000 # [ 69.268781] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 69.276758] R13: ffffa5c242f17f10 R14: ffffa5c242f17f10 R15: ffff8bb7c3101000 # [ 69.290945] FS: 00007f60f32b3580(0000) GS:ffff8bb83ad80000(0000) knlGS:0000000000000000 # [ 69.299988] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 69.306407] CR2: 00007f60f30bc000 CR3: 00000001057aa005 CR4: 00000000003706e0 # [ 69.314380] Call Trace: # [ 69.317130] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 # [ 69.322588] direct_entry.cold+0x2c/0x38 # [ 69.333199] full_proxy_write+0x53/0x80 # [ 69.337490] vfs_write+0xe7/0x3a0 # [ 69.347403] ksys_write+0x68/0xf0 # [ 69.351131] do_syscall_64+0x30/0x40 # [ 69.361334] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 69.366978] RIP: 0033:0x7f60f31c98f3 # [ 69.370968] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 69.391958] RSP: 002b:00007fff418e07e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 69.400418] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f60f31c98f3 # [ 69.408394] RDX: 0000000000000017 RSI: 00007f60f30bc000 RDI: 0000000000000001 # [ 69.422583] RBP: 00007f60f30bc000 R08: 00007f60f30bb010 R09: 0000000000000000 # [ 69.436773] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 69.450961] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 69.458958] irq event stamp: 0 # [ 69.462375] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 69.475590] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 69.484761] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 69.500115] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 69.507117] ---[ end trace 77b35145f13bafce ]--- # [ 69.512274] 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 # [ 69.651505] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 69.662554] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 69.676256] ------------[ cut here ]------------ # [ 69.687642] refcount_t: saturated; leaking memory. # [ 69.699221] WARNING: CPU: 2 PID: 2489 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 69.714856] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 69.747524] CPU: 2 PID: 2489 Comm: cat Tainted: G D W 5.10.150-cip18 #1 # [ 69.762372] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 69.775396] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 69.787448] Code: 01 01 e8 d7 7d 95 00 0f 0b c3 cc cc cc cc 80 3d b4 2e 94 01 00 75 a8 48 c7 c7 20 e2 f1 b2 c6 05 a4 2e 94 01 01 e8 b4 7d 95 00 <0f> 0b c3 cc cc cc cc 80 3d 8e 2e 94 01 00 75 85 48 c7 c7 78 e2 f1 # [ 69.814648] RSP: 0018:ffffa5c242e07e38 EFLAGS: 00010282 # [ 69.826701] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 69.834676] RDX: ffff8bb83ad2c660 RSI: ffff8bb83ad1bf70 RDI: ffff8bb83ad1bf70 # [ 69.848858] RBP: ffffffffb2f824c8 R08: 0000000000000000 R09: 0000000000000000 # [ 69.856833] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 69.871015] R13: ffffa5c242e07f10 R14: ffffa5c242e07f10 R15: ffff8bb7c6181000 # [ 69.878991] FS: 00007f83625d6580(0000) GS:ffff8bb83ad00000(0000) knlGS:0000000000000000 # [ 69.894238] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 69.900659] CR2: 00007f83623df000 CR3: 0000000103136004 CR4: 00000000003706e0 # [ 69.914841] Call Trace: # [ 69.917575] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 69.929911] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 # [ 69.942451] direct_entry.cold+0x2c/0x38 # [ 69.953047] full_proxy_write+0x53/0x80 # [ 69.957356] vfs_write+0xe7/0x3a0 # [ 69.967267] ksys_write+0x68/0xf0 # [ 69.970970] do_syscall_64+0x30/0x40 # [ 69.981176] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 69.993029] RIP: 0033:0x7f83624ec8f3 # [ 70.003231] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 70.030427] RSP: 002b:00007fff961fcd68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 70.045096] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f83624ec8f3 # [ 70.059282] RDX: 0000000000000020 RSI: 00007f83623df000 RDI: 0000000000000001 # [ 70.073465] RBP: 00007f83623df000 R08: 00007f83623de010 R09: 0000000000000000 # [ 70.087650] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 70.101834] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 70.116026] irq event stamp: 0 # [ 70.125641] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 70.138857] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 70.154207] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 70.169555] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 70.182768] ---[ end trace 77b35145f13bafcf ]--- # [ 70.194140] 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 # [ 70.345625] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 70.356870] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 70.370577] ------------[ cut here ]------------ # [ 70.375747] refcount_t: saturated; leaking memory. # [ 70.381134] WARNING: CPU: 3 PID: 2521 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 70.390568] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 70.423228] CPU: 3 PID: 2521 Comm: cat Tainted: G D W 5.10.150-cip18 #1 # [ 70.431891] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 70.444902] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 70.450762] Code: 01 01 e8 d7 7d 95 00 0f 0b c3 cc cc cc cc 80 3d b4 2e 94 01 00 75 a8 48 c7 c7 20 e2 f1 b2 c6 05 a4 2e 94 01 01 e8 b4 7d 95 00 <0f> 0b c3 cc cc cc cc 80 3d 8e 2e 94 01 00 75 85 48 c7 c7 78 e2 f1 # [ 70.471746] RSP: 0018:ffffa5c242fffe38 EFLAGS: 00010282 # [ 70.483791] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 70.491769] RDX: ffff8bb83adac660 RSI: ffff8bb83ad9bf70 RDI: ffff8bb83ad9bf70 # [ 70.499759] RBP: ffffffffb2f824e8 R08: 0000000000000000 R09: 0000000000000000 # [ 70.513946] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 70.521919] R13: ffffa5c242ffff10 R14: ffffa5c242ffff10 R15: ffff8bb7c27c8000 # [ 70.529891] FS: 00007fd60deb9580(0000) GS:ffff8bb83ad80000(0000) knlGS:0000000000000000 # [ 70.538933] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 70.545350] CR2: 00007fd60dcc2000 CR3: 0000000103100005 CR4: 00000000003706e0 # [ 70.553323] Call Trace: # [ 70.556055] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 70.562213] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 # [ 70.574755] direct_entry.cold+0x2c/0x38 # [ 70.579150] full_proxy_write+0x53/0x80 # [ 70.589639] vfs_write+0xe7/0x3a0 # [ 70.593372] ksys_write+0x68/0xf0 # [ 70.597105] do_syscall_64+0x30/0x40 # [ 70.601129] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 70.606812] RIP: 0033:0x7fd60ddcf8f3 # [ 70.610816] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 70.631810] RSP: 002b:00007ffd80904ea8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 70.640302] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fd60ddcf8f3 # [ 70.654491] RDX: 0000000000000020 RSI: 00007fd60dcc2000 RDI: 0000000000000001 # [ 70.662460] RBP: 00007fd60dcc2000 R08: 00007fd60dcc1010 R09: 0000000000000000 # [ 70.676646] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 70.684617] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 70.692593] irq event stamp: 0 # [ 70.696024] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 70.709237] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 70.718374] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 70.727511] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 70.734510] ---[ end trace 77b35145f13bafd0 ]--- # [ 70.739667] lkdtm: Saturation detected: still saturated # REFCOUNT_ADD_NOT_ZERO_SATURATED: saw 'call trace:': ok ok 56 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh # [ 70.883568] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 70.896166] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 70.909867] ------------[ cut here ]------------ # [ 70.921235] refcount_t: underflow; use-after-free. # [ 70.932814] WARNING: CPU: 2 PID: 2556 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 70.948443] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 70.981117] CPU: 2 PID: 2556 Comm: cat Tainted: G D W 5.10.150-cip18 #1 # [ 70.995979] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 71.009010] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 71.014874] Code: 01 01 e8 b4 7d 95 00 0f 0b c3 cc cc cc cc 80 3d 8e 2e 94 01 00 75 85 48 c7 c7 78 e2 f1 b2 c6 05 7e 2e 94 01 01 e8 91 7d 95 00 <0f> 0b c3 cc cc cc cc 80 3d 69 2e 94 01 00 0f 85 5e ff ff ff 48 c7 # [ 71.042074] RSP: 0018:ffffa5c24308fe40 EFLAGS: 00010286 # [ 71.047936] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 # [ 71.062120] RDX: ffff8bb83ad2c660 RSI: ffff8bb83ad1bf70 RDI: ffff8bb83ad1bf70 # [ 71.076309] RBP: ffffffffb2f82508 R08: 0000000000000000 R09: 0000000000000000 # [ 71.084285] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 71.098474] R13: ffffa5c24308ff10 R14: ffffa5c24308ff10 R15: ffff8bb7c3d05000 # [ 71.112665] FS: 00007fef35523580(0000) GS:ffff8bb83ad00000(0000) knlGS:0000000000000000 # [ 71.121710] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 71.134340] CR2: 00007fef3532c000 CR3: 0000000104fbe003 CR4: 00000000003706e0 # [ 71.148528] Call Trace: # [ 71.157476] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 71.164115] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 # [ 71.170464] direct_entry.cold+0x2c/0x38 # [ 71.181055] full_proxy_write+0x53/0x80 # [ 71.191552] vfs_write+0xe7/0x3a0 # [ 71.201493] ksys_write+0x68/0xf0 # [ 71.205197] do_syscall_64+0x30/0x40 # [ 71.215406] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 71.227264] RIP: 0033:0x7fef354398f3 # [ 71.237472] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 71.264677] RSP: 002b:00007ffc0b1ba338 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 71.279354] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fef354398f3 # [ 71.293546] RDX: 0000000000000020 RSI: 00007fef3532c000 RDI: 0000000000000001 # [ 71.307736] RBP: 00007fef3532c000 R08: 00007fef3532b010 R09: 0000000000000000 # [ 71.315711] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 71.329509] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 71.337487] irq event stamp: 0 # [ 71.347108] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 71.357125] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 71.366287] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 71.381636] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 71.394850] ---[ end trace 77b35145f13bafd1 ]--- # [ 71.400011] 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 # [ 71.566376] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 71.575118] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 71.588825] ------------[ cut here ]------------ # [ 71.600188] refcount_t: underflow; use-after-free. # [ 71.611772] WARNING: CPU: 2 PID: 2591 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 71.627408] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 71.660047] CPU: 2 PID: 2591 Comm: cat Tainted: G D W 5.10.150-cip18 #1 # [ 71.674914] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 71.687939] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 71.699990] Code: 01 01 e8 b4 7d 95 00 0f 0b c3 cc cc cc cc 80 3d 8e 2e 94 01 00 75 85 48 c7 c7 78 e2 f1 b2 c6 05 7e 2e 94 01 01 e8 91 7d 95 00 <0f> 0b c3 cc cc cc cc 80 3d 69 2e 94 01 00 0f 85 5e ff ff ff 48 c7 # [ 71.727190] RSP: 0018:ffffa5c2430f7e40 EFLAGS: 00010286 # [ 71.739243] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 # [ 71.753432] RDX: ffff8bb83ad2c660 RSI: ffff8bb83ad1bf70 RDI: ffff8bb83ad1bf70 # [ 71.767618] RBP: ffffffffb2f82528 R08: 0000000000000000 R09: 0000000000000000 # [ 71.781807] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 71.795993] R13: ffffa5c2430f7f10 R14: ffffa5c2430f7f10 R15: ffff8bb7c31c7000 # [ 71.810182] FS: 00007f87c98d6580(0000) GS:ffff8bb83ad00000(0000) knlGS:0000000000000000 # [ 71.825441] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 71.838077] CR2: 00007f87c96df000 CR3: 0000000104efa001 CR4: 00000000003706e0 # [ 71.852264] Call Trace: # [ 71.854997] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 71.867333] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 # [ 71.879873] direct_entry.cold+0x2c/0x38 # [ 71.890468] full_proxy_write+0x53/0x80 # [ 71.900968] vfs_write+0xe7/0x3a0 # [ 71.910882] ksys_write+0x68/0xf0 # [ 71.920808] do_syscall_64+0x30/0x40 # [ 71.931043] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 71.942892] RIP: 0033:0x7f87c97ec8f3 # [ 71.953078] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 71.980280] RSP: 002b:00007ffef22dff88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 71.994956] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f87c97ec8f3 # [ 72.009145] RDX: 0000000000000020 RSI: 00007f87c96df000 RDI: 0000000000000001 # [ 72.023333] RBP: 00007f87c96df000 R08: 00007f87c96de010 R09: 0000000000000000 # [ 72.037522] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 72.051708] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 72.065918] irq event stamp: 0 # [ 72.075520] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 72.088734] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 72.104081] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 72.119429] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 72.132643] ---[ end trace 77b35145f13bafd2 ]--- # [ 72.144010] 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 # [ 72.366207] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 72.374318] lkdtm: attempting good copy_to_user of correct size # [ 72.387185] 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 # [ 72.531402] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 72.543697] lkdtm: attempting good copy_from_user of correct size # [ 72.550563] 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 # [ 72.699772] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 72.707850] lkdtm: attempting good copy_to_user inside whitelist # [ 72.720827] 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 # [ 72.894527] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 72.902884] lkdtm: attempting good copy_from_user inside whitelist # [ 72.916011] 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 # [ 73.076343] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 73.085331] lkdtm: good_stack: ffffa5c2434bfe20-ffffa5c2434bfe40 # [ 73.092059] lkdtm: bad_stack : ffffa5c2434bfda8-ffffa5c2434bfdc8 # [ 73.098792] lkdtm: attempting good copy_to_user of local stack # [ 73.105338] 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 # [ 73.239653] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 73.249632] lkdtm: good_stack: ffffa5c243557e20-ffffa5c243557e40 # [ 73.256353] lkdtm: bad_stack : ffffa5c243557da8-ffffa5c243557dc8 # [ 73.263080] lkdtm: attempting good copy_from_user of local stack # [ 73.275999] 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 # [ 73.419807] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 73.432595] lkdtm: good_stack: ffffa5c2435efe20-ffffa5c2435efe40 # [ 73.439315] lkdtm: bad_stack : ffffa5c2435efff8-ffffa5c2435f0018 # [ 73.446038] lkdtm: attempting good copy_to_user of local stack # [ 73.452563] lkdtm: attempting bad copy_to_user of distant stack # [ 73.459203] 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 # [ 73.636811] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 73.645264] lkdtm: attempting good copy_to_user from kernel rodata: ffffffffb2b9b730 # [ 73.660130] lkdtm: attempting bad copy_to_user from kernel text: ffffffffb18e31d0 # [ 73.674745] 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 # [ 73.838656] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 73.848230] lkdtm: checking unused part of the thread stack (15928 bytes)... # [ 73.862329] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) # [ 73.876313] lkdtm: FAIL: the thread stack is NOT properly erased # [ 73.889239] CPU: 2 PID: 2956 Comm: cat Tainted: G D W 5.10.150-cip18 #1 # [ 73.904099] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 73.910894] Call Trace: # [ 73.913627] dump_stack+0x77/0x9b # [ 73.923538] lkdtm_STACKLEAK_ERASING+0x116/0x144 # [ 73.928693] direct_entry.cold+0x2c/0x38 # [ 73.939285] full_proxy_write+0x53/0x80 # [ 73.949782] vfs_write+0xe7/0x3a0 # [ 73.959695] ksys_write+0x68/0xf0 # [ 73.963394] do_syscall_64+0x30/0x40 # [ 73.967383] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 73.979232] RIP: 0033:0x7faa374798f3 # [ 73.983223] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 74.010412] RSP: 002b:00007fff41415fc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 74.018867] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007faa374798f3 # [ 74.026837] RDX: 0000000000000012 RSI: 00007faa3736c000 RDI: 0000000000000001 # [ 74.034807] RBP: 00007faa3736c000 R08: 00007faa3736b010 R09: 0000000000000000 # [ 74.042777] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 74.056959] 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 # [ 74.234843] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 74.245373] lkdtm: Calling matched prototype ... # [ 74.250542] lkdtm: Calling mismatched prototype ... # [ 74.256004] lkdtm: Fail: survived mismatched prototype function call! # CFI_FORWARD_PROTO: missing 'call trace:': [FAIL] not ok 70 selftests: lkdtm: CFI_FORWARD_PROTO.sh # exit=1 + ../../utils/send-to-lava.sh ./output/result.txt + set +x / #