[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: .Timeout wait for TPM IRQ! .Timeout wait for TPM IRQ! . 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 20963 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 30 exit 0 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'cpu_microcode_blob.bin' CBFS: Found @ offset 11100 size d7c00 microcode: sig=0x806e9 pf=0x10 revision=0x97 Skip microcode update CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fsps.bin' CBFS: Found @ offset 167fc0 size 2f000 Detected 2 core, 4 thread CPU. Setting up SMI for CPU IED base = 0x7b400000 IED size = 0x00400000 Will perform SMM setup. CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz. Loading module at 00030000 with entry 00030000. filesize: 0x170 memsize: 0x170 Processing 16 relocs. Offset value of 0x00030000 Attempting to start 3 APs Waiting for 10ms after sending INIT. Waiting for 1st SIPI to complete...done. AP: slot 3 apic_id 3. AP: slot 2 apic_id 2. Waiting for 2nd SIPI to complete...done. AP: slot 1 apic_id 1. Loading module at 00038000 with entry 00038000. filesize: 0x1a8 memsize: 0x1a8 Processing 13 relocs. Offset value of 0x00038000 SMM Module: stub loaded at 00038000. Will call 7ab21603(00000000) Installing SMM handler to 0x7b000000 Loading module at 7b010000 with entry 7b010a19. filesize: 0x3b08 memsize: 0x8bc0 Processing 243 relocs. Offset value of 0x7b010000 Loading module at 7b008000 with entry 7b008000. filesize: 0x1a8 memsize: 0x1a8 Processing 13 relocs. Offset value of 0x7b008000 SMM Module: placing jmp sequence at 7b007c00 rel16 0x03fd SMM Module: placing jmp sequence at 7b007800 rel16 0x07fd SMM Module: placing jmp sequence at 7b007400 rel16 0x0bfd SMM Module: stub loaded at 7b008000. Will call 7b010a19(00000000) Clearing SMI status registers SMI_STS: PM1 PM1_STS: PWRBTN TCO_STS: BOOT SECOND_TO New SMBASE 0x7b000000 In relocation handler: CPU 0 New SMBASE=0x7b000000 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afffc00 In relocation handler: CPU 1 New SMBASE=0x7afffc00 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afff400 In relocation handler: CPU 3 New SMBASE=0x7afff400 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afff800 In relocation handler: CPU 2 New SMBASE=0x7afff800 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. Initializing CPU #0 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC... apic_id: 0x00 done. Turbo is available but hidden Turbo has been enabled SGX : param.enable = 0 Skip microcode update CPU #0 initialized Initializing CPU #1 Initializing CPU #3 Initializing CPU #2 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC...CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC...Setting up local APIC... apic_id: 0x02 done. apic_id: 0x03 done. Skip microcode update Skip microcode update CPU #2 initialized CPU #3 initialized apic_id: 0x01 done. Skip microcode update CPU #1 initialized bsp_do_flight_plan done after 229 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 376272 run 170229 exit 0 Enumerating buses... Show all devs... Before device enumeration. Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 DOMAIN: 0000: enabled 1 APIC: 00: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 PCI: 00:15.1: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PCI: 00:1f.1: enabled 1 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 USB0 port 0: enabled 1 I2C: 00:5c: enabled 1 I2C: 00:15: enabled 1 I2C: 00:39: enabled 1 I2C: 00:3a: enabled 1 I2C: 00:1a: enabled 1 PCI: 00:00.0: enabled 1 SPI: 00: enabled 1 PNP: 0c09.0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 APIC: 01: enabled 1 APIC: 02: enabled 1 APIC: 03: enabled 1 Compare with tree... Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 APIC: 00: enabled 1 APIC: 01: enabled 1 APIC: 02: enabled 1 APIC: 03: 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 8969 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 8964 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 8970 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 8969 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 8969 usecs scan_usb_bus for USB0 port 0 done scan_bus: scanning of bus USB0 port 0 took 90930 usecs scan_usb_bus for PCI: 00:14.0 done scan_bus: scanning of bus PCI: 00:14.0 took 107717 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 14152 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 14153 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 22366 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 53512 usecs PCI: 00:1e.2 scanning... scan_generic_bus for PCI: 00:1e.2 bus: PCI: 00:1e.2[0]->SPI: 00 enabled scan_generic_bus for PCI: 00:1e.2 done scan_bus: scanning of bus PCI: 00:1e.2 took 13862 usecs PCI: 00:1f.0 scanning... scan_lpc_bus for PCI: 00:1f.0 PNP: 0c09.0 enabled scan_lpc_bus for PCI: 00:1f.0 done scan_bus: scanning of bus PCI: 00:1f.0 took 11313 usecs PCI: 00:1f.2 scanning... scan_lpc_bus for PCI: 00:1f.2 scan_lpc_bus for PCI: 00:1f.2 done scan_bus: scanning of bus PCI: 00:1f.2 took 9267 usecs PCI: 00:1f.3 scanning... scan_bus: scanning of bus PCI: 00:1f.3 took 2717 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 10040 usecs scan_bus: scanning of bus DOMAIN: 0000 took 465954 usecs root_dev_scan_bus for Root Device done scan_bus: scanning of bus Root Device took 486059 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 825740 exit 39258 found VGA at PCI: 00:02.0 Setting up VGA for PCI: 00:02.0 Setting PCI_BRIDGE_CTL_VGA for bridge DOMAIN: 0000 Setting PCI_BRIDGE_CTL_VGA for bridge Root Device Allocating resources... Reading resources... Root Device read_resources bus 0 link: 0 CPU_CLUSTER: 0 read_resources bus 0 link: 0 CPU_CLUSTER: 0 read_resources bus 0 link: 0 done DOMAIN: 0000 read_resources bus 0 link: 0 PCI: 00:14.0 read_resources bus 0 link: 0 USB0 port 0 read_resources bus 0 link: 0 USB0 port 0 read_resources bus 0 link: 0 done PCI: 00:14.0 read_resources bus 0 link: 0 done PCI: 00:15.0 read_resources bus 1 link: 0 PCI: 00:15.0 read_resources bus 1 link: 0 done PCI: 00:15.1 read_resources bus 2 link: 0 PCI: 00:15.1 read_resources bus 2 link: 0 done PCI: 00:19.1 read_resources bus 3 link: 0 PCI: 00:19.1 read_resources bus 3 link: 0 done PCI: 00:1c.0 read_resources bus 1 link: 0 PCI: 00:1c.0 read_resources bus 1 link: 0 done PCI: 00:1e.2 read_resources bus 4 link: 0 PCI: 00:1e.2 read_resources bus 4 link: 0 done PCI: 00:1f.0 read_resources bus 0 link: 0 PCI: 00:1f.0 read_resources bus 0 link: 0 done DOMAIN: 0000 read_resources bus 0 link: 0 done Root Device read_resources bus 0 link: 0 done Done reading resources. Show resources in subtree (Root Device)...After reading. Root Device child on link 0 CPU_CLUSTER: 0 CPU_CLUSTER: 0 child on link 0 APIC: 00 APIC: 00 APIC: 01 APIC: 02 APIC: 03 DOMAIN: 0000 child on link 0 PCI: 00:00.0 DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffff flags 40040100 index 10000000 DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffffffff flags 40040200 index 10000100 PCI: 00:00.0 PCI: 00:00.0 resource base e0000000 size 4000000 align 0 gran 0 limit 0 flags f0000200 index 0 PCI: 00:00.0 resource base fed10000 size 8000 align 0 gran 0 limit 0 flags f0000200 index 1 PCI: 00:00.0 resource base fed18000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 2 PCI: 00:00.0 resource base fed19000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 3 PCI: 00:00.0 resource base fed84000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 4 PCI: 00:00.0 resource base fed80000 size 4000 align 0 gran 0 limit 0 flags f0000200 index 5 PCI: 00:00.0 resource base fed90000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 6 PCI: 00:00.0 resource base fed91000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 7 PCI: 00:00.0 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 8 PCI: 00:00.0 resource base c0000 size 7af40000 align 0 gran 0 limit 0 flags e0004200 index 9 PCI: 00:00.0 resource base 7b000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index b PCI: 00:00.0 resource base 7b800000 size 4800000 align 0 gran 0 limit 0 flags f0000200 index c PCI: 00:00.0 resource base 100000000 size 7f000000 align 0 gran 0 limit 0 flags e0004200 index d PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index e PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index f PCI: 00:02.0 PCI: 00:02.0 resource base 0 size 1000000 align 24 gran 24 limit ffffffffffffffff flags 201 index 10 PCI: 00:02.0 resource base 0 size 10000000 align 28 gran 28 limit ffffffffffffffff flags 1201 index 18 PCI: 00:02.0 resource base 0 size 40 align 6 gran 6 limit ffff flags 100 index 20 PCI: 00:04.0 PCI: 00:04.0 resource base 0 size 8000 align 15 gran 15 limit ffffffffffffffff flags 201 index 10 PCI: 00:08.0 PCI: 00:08.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:14.0 child on link 0 USB0 port 0 PCI: 00:14.0 resource base 0 size 10000 align 16 gran 16 limit ffffffffffffffff flags 201 index 10 USB0 port 0 child on link 0 USB2 port 0 USB2 port 0 USB2 port 1 USB2 port 2 USB2 port 4 USB2 port 8 PCI: 00:14.1 PCI: 00:14.2 PCI: 00:14.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:15.0 child on link 0 I2C: 01:5c PCI: 00:15.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 01:5c PCI: 00:15.1 child on link 0 I2C: 02:15 PCI: 00:15.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 02:15 PCI: 00:15.2 PCI: 00:15.3 PCI: 00:16.0 PCI: 00:16.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:16.1 PCI: 00:16.2 PCI: 00:16.3 PCI: 00:16.4 PCI: 00:17.0 PCI: 00:19.0 PCI: 00:19.0 resource base fe034000 size 1000 align 12 gran 12 limit ffffffffffffffff flags c0000200 index 10 PCI: 00:19.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 PCI: 00:19.1 child on link 0 I2C: 03:39 PCI: 00:19.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 03:39 I2C: 03:3a I2C: 03:1a PCI: 00:19.2 PCI: 00:1c.0 child on link 0 PCI: 01:00.0 PCI: 00:1c.0 resource base 0 size 0 align 12 gran 12 limit ffff flags 80102 index 1c PCI: 00:1c.0 resource base 0 size 0 align 20 gran 20 limit ffffffffffffffff flags 81202 index 24 PCI: 00:1c.0 resource base 0 size 0 align 20 gran 20 limit ffffffff flags 80202 index 20 PCI: 01:00.0 PCI: 01:00.0 resource base 0 size 2000 align 13 gran 13 limit ffffffffffffffff flags 201 index 10 PCI: 00:1c.1 PCI: 00:1c.2 PCI: 00:1c.3 PCI: 00:1c.4 PCI: 00:1c.5 PCI: 00:1c.6 PCI: 00:1c.7 PCI: 00:1d.0 PCI: 00:1d.1 PCI: 00:1d.2 PCI: 00:1d.3 PCI: 00:1e.0 PCI: 00:1e.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1e.1 PCI: 00:1e.2 child on link 0 SPI: 00 PCI: 00:1e.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 SPI: 00 PCI: 00:1e.3 PCI: 00:1e.4 PCI: 00:1e.4 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1e.5 PCI: 00:1e.6 PCI: 00:1e.6 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.0 child on link 0 PNP: 0c09.0 PCI: 00:1f.0 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0000100 index 0 PNP: 0c09.0 PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0 PCI: 00:1f.1 PCI: 00:1f.2 PCI: 00:1f.2 resource base 0 size 4000 align 14 gran 14 limit ffffffff flags 200 index 10 PCI: 00:1f.2 resource base fe000000 size 10000 align 0 gran 0 limit 0 flags d0000200 index 48 PCI: 00:1f.2 resource base 1800 size 100 align 0 gran 0 limit 0 flags c0000100 index 40 PCI: 00:1f.3 PCI: 00:1f.3 resource base 0 size 4000 align 14 gran 14 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.3 resource base 0 size 10000 align 16 gran 16 limit ffffffffffffffff flags 201 index 20 PCI: 00:1f.4 PCI: 00:1f.4 resource base efa0 size 20 align 0 gran 0 limit efbf flags f0000100 index 20 PCI: 00:1f.4 resource base 0 size 100 align 12 gran 8 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.5 PCI: 00:1f.5 resource base 0 size 1000 align 12 gran 12 limit ffffffff flags 200 index 10 PCI: 00:1f.6 DOMAIN: 0000 io: base: 0 size: 0 align: 0 gran: 0 limit: ffff PCI: 00:1c.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff PCI: 00:1c.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff done PCI: 00:02.0 20 * [0x0 - 0x3f] io DOMAIN: 0000 io: base: 40 size: 40 align: 6 gran: 0 limit: ffff done DOMAIN: 0000 mem: base: 0 size: 0 align: 0 gran: 0 limit: ffffffff PCI: 00:1c.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff PCI: 00:1c.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff done PCI: 00:1c.0 mem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffff PCI: 01:00.0 10 * [0x0 - 0x1fff] mem PCI: 00:1c.0 mem: base: 2000 size: 100000 align: 20 gran: 20 limit: ffffffff done PCI: 00:02.0 18 * [0x0 - 0xfffffff] prefmem PCI: 00:02.0 10 * [0x10000000 - 0x10ffffff] mem PCI: 00:1c.0 20 * [0x11000000 - 0x110fffff] mem PCI: 00:14.0 10 * [0x11100000 - 0x1110ffff] mem PCI: 00:1f.3 20 * [0x11110000 - 0x1111ffff] mem PCI: 00:04.0 10 * [0x11120000 - 0x11127fff] mem PCI: 00:1f.2 10 * [0x11128000 - 0x1112bfff] mem PCI: 00:1f.3 10 * [0x1112c000 - 0x1112ffff] mem PCI: 00:08.0 10 * [0x11130000 - 0x11130fff] mem PCI: 00:14.2 10 * [0x11131000 - 0x11131fff] mem PCI: 00:15.0 10 * [0x11132000 - 0x11132fff] mem PCI: 00:15.1 10 * [0x11133000 - 0x11133fff] mem PCI: 00:16.0 10 * [0x11134000 - 0x11134fff] mem PCI: 00:19.0 18 * [0x11135000 - 0x11135fff] mem PCI: 00:19.1 10 * [0x11136000 - 0x11136fff] mem PCI: 00:1e.0 10 * [0x11137000 - 0x11137fff] mem PCI: 00:1e.2 10 * [0x11138000 - 0x11138fff] mem PCI: 00:1e.4 10 * [0x11139000 - 0x11139fff] mem PCI: 00:1e.6 10 * [0x1113a000 - 0x1113afff] mem PCI: 00:1f.5 10 * [0x1113b000 - 0x1113bfff] mem PCI: 00:1f.4 10 * [0x1113c000 - 0x1113c0ff] mem DOMAIN: 0000 mem: base: 1113c100 size: 1113c100 align: 28 gran: 0 limit: ffffffff done avoid_fixed_resources: DOMAIN: 0000 avoid_fixed_resources:@DOMAIN: 0000 10000000 limit 0000ffff avoid_fixed_resources:@DOMAIN: 0000 10000100 limit ffffffff constrain_resources: PCI: 00:00.0 00 base e0000000 limit e3ffffff mem (fixed) constrain_resources: PCI: 00:00.0 08 base 00000000 limit 0009ffff mem (fixed) constrain_resources: PCI: 00:00.0 09 base 000c0000 limit 7affffff mem (fixed) constrain_resources: PCI: 00:00.0 0b base 7b000000 limit 7b7fffff mem (fixed) constrain_resources: PCI: 00:00.0 0c base 7b800000 limit 7fffffff mem (fixed) constrain_resources: PCI: 00:1f.0 00 base 00000000 limit 00000fff io (fixed) constrain_resources: PCI: 00:1f.2 40 base 00001800 limit 000018ff io (fixed) constrain_resources: PCI: 00:1f.4 20 base 0000efa0 limit 0000efbf io (fixed) avoid_fixed_resources:@DOMAIN: 0000 10000000 base 00001900 limit 0000ef9f avoid_fixed_resources:@DOMAIN: 0000 10000100 base c0000000 limit dfffffff Setting resources... DOMAIN: 0000 io: base:1900 size:40 align:6 gran:0 limit:ef9f PCI: 00:02.0 20 * [0x1c00 - 0x1c3f] io DOMAIN: 0000 io: next_base: 1c40 size: 40 align: 6 gran: 0 done PCI: 00:1c.0 io: base:ef9f size:0 align:12 gran:12 limit:ef9f PCI: 00:1c.0 io: next_base: ef9f size: 0 align: 12 gran: 12 done DOMAIN: 0000 mem: base:c0000000 size:1113c100 align:28 gran:0 limit:dfffffff PCI: 00:02.0 18 * [0xc0000000 - 0xcfffffff] prefmem PCI: 00:02.0 10 * [0xd0000000 - 0xd0ffffff] mem PCI: 00:1c.0 20 * [0xd1000000 - 0xd10fffff] mem PCI: 00:14.0 10 * [0xd1100000 - 0xd110ffff] mem PCI: 00:1f.3 20 * [0xd1110000 - 0xd111ffff] mem PCI: 00:04.0 10 * [0xd1120000 - 0xd1127fff] mem PCI: 00:1f.2 10 * [0xd1128000 - 0xd112bfff] mem PCI: 00:1f.3 10 * [0xd112c000 - 0xd112ffff] mem PCI: 00:08.0 10 * [0xd1130000 - 0xd1130fff] mem PCI: 00:14.2 10 * [0xd1131000 - 0xd1131fff] mem PCI: 00:15.0 10 * [0xd1132000 - 0xd1132fff] mem PCI: 00:15.1 10 * [0xd1133000 - 0xd1133fff] mem PCI: 00:16.0 10 * [0xd1134000 - 0xd1134fff] mem PCI: 00:19.0 18 * [0xd1135000 - 0xd1135fff] mem PCI: 00:19.1 10 * [0xd1136000 - 0xd1136fff] mem PCI: 00:1e.0 10 * [0xd1137000 - 0xd1137fff] mem PCI: 00:1e.2 10 * [0xd1138000 - 0xd1138fff] mem PCI: 00:1e.4 10 * [0xd1139000 - 0xd1139fff] mem PCI: 00:1e.6 10 * [0xd113a000 - 0xd113afff] mem PCI: 00:1f.5 10 * [0xd113b000 - 0xd113bfff] mem PCI: 00:1f.4 10 * [0xd113c000 - 0xd113c0ff] mem DOMAIN: 0000 mem: next_base: d113c100 size: 1113c100 align: 28 gran: 0 done PCI: 00:1c.0 prefmem: base:dfffffff size:0 align:20 gran:20 limit:dfffffff PCI: 00:1c.0 prefmem: next_base: dfffffff size: 0 align: 20 gran: 20 done PCI: 00:1c.0 mem: base:d1000000 size:100000 align:20 gran:20 limit:d10fffff PCI: 01:00.0 10 * [0xd1000000 - 0xd1001fff] mem PCI: 00:1c.0 mem: next_base: d1002000 size: 100000 align: 20 gran: 20 done Root Device assign_resources, bus 0 link: 0 DOMAIN: 0000 assign_resources, bus 0 link: 0 PCI: 00:02.0 10 <- [0x00d0000000 - 0x00d0ffffff] size 0x01000000 gran 0x18 mem64 PCI: 00:02.0 18 <- [0x00c0000000 - 0x00cfffffff] size 0x10000000 gran 0x1c prefmem64 PCI: 00:02.0 20 <- [0x0000001c00 - 0x0000001c3f] size 0x00000040 gran 0x06 io PCI: 00:04.0 10 <- [0x00d1120000 - 0x00d1127fff] size 0x00008000 gran 0x0f mem64 PCI: 00:08.0 10 <- [0x00d1130000 - 0x00d1130fff] size 0x00001000 gran 0x0c mem64 PCI: 00:14.0 10 <- [0x00d1100000 - 0x00d110ffff] size 0x00010000 gran 0x10 mem64 PCI: 00:14.0 assign_resources, bus 0 link: 0 PCI: 00:14.0 assign_resources, bus 0 link: 0 PCI: 00:14.2 10 <- [0x00d1131000 - 0x00d1131fff] size 0x00001000 gran 0x0c mem64 PCI: 00:15.0 10 <- [0x00d1132000 - 0x00d1132fff] size 0x00001000 gran 0x0c mem64 PCI: 00:15.0 assign_resources, bus 1 link: 0 PCI: 00:15.0 assign_resources, bus 1 link: 0 PCI: 00:15.1 10 <- [0x00d1133000 - 0x00d1133fff] size 0x00001000 gran 0x0c mem64 PCI: 00:15.1 assign_resources, bus 2 link: 0 PCI: 00:15.1 assign_resources, bus 2 link: 0 PCI: 00:16.0 10 <- [0x00d1134000 - 0x00d1134fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.0 18 <- [0x00d1135000 - 0x00d1135fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.1 10 <- [0x00d1136000 - 0x00d1136fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.1 assign_resources, bus 3 link: 0 PCI: 00:19.1 assign_resources, bus 3 link: 0 PCI: 00:1c.0 1c <- [0x000000ef9f - 0x000000ef9e] size 0x00000000 gran 0x0c bus 01 io PCI: 00:1c.0 24 <- [0x00dfffffff - 0x00dffffffe] size 0x00000000 gran 0x14 bus 01 prefmem PCI: 00:1c.0 20 <- [0x00d1000000 - 0x00d10fffff] size 0x00100000 gran 0x14 bus 01 mem PCI: 00:1c.0 assign_resources, bus 1 link: 0 PCI: 01:00.0 10 <- [0x00d1000000 - 0x00d1001fff] size 0x00002000 gran 0x0d mem64 PCI: 00:1c.0 assign_resources, bus 1 link: 0 PCI: 00:1e.0 10 <- [0x00d1137000 - 0x00d1137fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1e.2 10 <- [0x00d1138000 - 0x00d1138fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1e.2 assign_resources, bus 4 link: 0 PCI: 00:1e.2 assign_resources, bus 4 link: 0 PCI: 00:1e.4 10 <- [0x00d1139000 - 0x00d1139fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1e.6 10 <- [0x00d113a000 - 0x00d113afff] size 0x00001000 gran 0x0c mem64 PCI: 00:1f.0 assign_resources, bus 0 link: 0 PCI: 00:1f.0 assign_resources, bus 0 link: 0 LPC: Trying to open IO window from 800 size 1ff PCI: 00:1f.2 10 <- [0x00d1128000 - 0x00d112bfff] size 0x00004000 gran 0x0e mem PCI: 00:1f.3 10 <- [0x00d112c000 - 0x00d112ffff] size 0x00004000 gran 0x0e mem64 PCI: 00:1f.3 20 <- [0x00d1110000 - 0x00d111ffff] size 0x00010000 gran 0x10 mem64 PCI: 00:1f.4 10 <- [0x00d113c000 - 0x00d113c0ff] size 0x00000100 gran 0x08 mem64 PCI: 00:1f.5 10 <- [0x00d113b000 - 0x00d113bfff] size 0x00001000 gran 0x0c mem DOMAIN: 0000 assign_resources, bus 0 link: 0 Root Device assign_resources, bus 0 link: 0 Done setting resources. Show resources in subtree (Root Device)...After assigning values. Root Device child on link 0 CPU_CLUSTER: 0 CPU_CLUSTER: 0 child on link 0 APIC: 00 APIC: 00 APIC: 01 APIC: 02 APIC: 03 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 2114167 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 227 run 139288 exit 18938 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 31215 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 6986 usecs PCI: 00:02.0 init ... PCI: 00:02.0 init finished in 2249 usecs PCI: 00:04.0 init ... PCI: 00:04.0 init finished in 2248 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 5968 usecs PCI: 00:15.1 init ... DW I2C bus 1 at 0xd1133000 (400 KHz) PCI: 00:15.1 init finished in 5968 usecs PCI: 00:16.0 init ... PCI: 00:16.0 init finished in 2249 usecs PCI: 00:19.1 init ... DW I2C bus 5 at 0xd1136000 (400 KHz) PCI: 00:19.1 init finished in 5969 usecs PCI: 00:1c.0 init ... Initializing PCH PCIe bridge. PCI: 00:1c.0 init finished in 5281 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 23488 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 24282 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 2392 usecs PNP: 0c09.0 init ... Google Chrome EC: Hello got back 11223344 status (0) Google Chrome EC: version: ro: rammus_v2.0.387-f0df0fe2e rw: rammus_v2.0.425-6e0dd622e running image: 1 EC returned error result code 1 PNP: 0c09.0 init finished in 24404 usecs Devices initialized Show all devs... After init. Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 DOMAIN: 0000: enabled 1 APIC: 00: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 PCI: 00:15.1: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PCI: 00:1f.1: enabled 0 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 USB0 port 0: enabled 1 I2C: 01:5c: enabled 1 I2C: 02:15: enabled 1 I2C: 03:39: enabled 1 I2C: 03:3a: enabled 1 I2C: 03:1a: enabled 1 PCI: 01:00.0: enabled 1 SPI: 00: enabled 1 PNP: 0c09.0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 APIC: 01: enabled 1 APIC: 02: enabled 1 APIC: 03: 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 2022-08-23 03:53:59 UTC POST: Unexpected post code in previous boot: 0x34 ELOG: Event(A3) added with size 11 at 2022-08-23 03:53:59 UTC ELOG: Event(92) added with size 9 at 2022-08-23 03:53:59 UTC ELOG: Event(9A) added with size 9 at 2022-08-23 03:53:59 UTC ELOG: Event(AD) added with size 10 at 2022-08-23 03:53:59 UTC ELOG: Event(9F) added with size 14 at 2022-08-23 03:53:59 UTC BS: BS_DEV_INIT times (us): entry 0 run 417892 exit 60046 ELOG: Event(A1) added with size 10 at 2022-08-23 03:53:59 UTC elog_add_boot_reason: Logged recovery mode boot (Dev-switch on), reason: 0x1b ELOG: Event(A0) added with size 9 at 2022-08-23 03:53:59 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 25563 run 3969 exit 5186 BS: BS_OS_RESUME_CHECK times (us): entry 0 run 55 exit 0 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/dsdt.aml' CBFS: Found @ offset 19af40 size 4691 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/slic' CBFS: 'fallback/slic' not found. ACPI: Writing ACPI tables at 7aa9a000. ACPI: * FACS ACPI: * DSDT Ramoops buffer: 0x100000@0x7a999000. SGX: not enabled or not supported. skip gnvs fill ACPI: * FADT SCI is IRQ9 ACPI: added table 1/32, length now 40 ACPI: * SSDT Found 1 CPU(s) with 4 core(s) each. \_SB.PCI0.I2C0.H05C: SISC Touchscreen at I2C: 01:5c \_SB.PCI0.I2C1.D015: ELAN Touchpad at I2C: 02:15 \_SB.PCI0.I2C5.MAXR: Maxim MAX98927 Codec address 039h \_SB.PCI0.I2C5.MAXL: Maxim MAX98927 Codec address 03ah \_SB.PCI0.I2C5.DLG7: Dialog Semiconductor DA7219 Audio Codec address 01ah irq 105 Error: Could not locate 'wifi_sar' in VPD. Error: failed from getting SAR limits! \_SB.PCI0.RP01.WIFI: Intel WiFi PCI: 01:00.0 \_SB.PCI0.SPI0.S001: SPI Device at SPI: 00 \_SB.PCI0.XHCI.RHUB.HS01: USB Type C Port 1 at USB2 port 0 \_SB.PCI0.XHCI.RHUB.HS02: USB Type A Port 1 at USB2 port 1 \_SB.PCI0.XHCI.RHUB.HS03: Bluetooth at USB2 port 2 \_SB.PCI0.XHCI.RHUB.HS05: USB Type C Port 2 at USB2 port 4 \_SB.PCI0.XHCI.RHUB.HS09: Camera at USB2 port 8 ACPI: added table 2/32, length now 44 ACPI: * MCFG ACPI: added table 3/32, length now 48 ACPI: * TPM2 ACPI: added table 4/32, length now 52 ACPI: * MADT SCI is IRQ9 ACPI: added table 5/32, length now 56 current = 7aa9fa60 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dmic-4ch-48khz-16b.bin' CBFS: Found @ offset 167000 size ba8 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dmic-4ch-48khz-32b.bin' CBFS: Found @ offset 19f640 size ba8 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dialog-2ch-48khz-24b.bin' CBFS: Found @ offset 167cc0 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dialog-2ch-48khz-24b.bin' CBFS: Found @ offset 167cc0 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'max98927-render-2ch-48khz-24b.bin' CBFS: Found @ offset 167c00 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'max98927-render-2ch-48khz-16b.bin' CBFS: Found @ offset 103f00 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'max98927-render-2ch-48khz-16b.bin' CBFS: Found @ offset 103f00 size 64 ACPI: * NHLT ACPI: added table 6/32, length now 60 ACPI: * DMAR ACPI: added table 7/32, length now 64 ACPI: * IGD OpRegion GMA: Found VBT in CBFS GMA: Found valid VBT in CBFS current = 7aaa3610 ACPI: added table 8/32, length now 68 ACPI: * HPET ACPI: added table 9/32, length now 72 ACPI: done. ACPI tables: 38592 bytes. smbios_write_tables: 7a998000 Create SMBIOS type 17 PCI: 01:00.0 (Intel WiFi) SMBIOS tables: 662 bytes. Writing table forward entry at 0x00000500 Wrote coreboot table at: 00000500, 0x10 bytes, checksum a532 Writing coreboot table at 0x7aabe000 0. 0000000000000000-0000000000000fff: CONFIGURATION TABLES 1. 0000000000001000-000000000009ffff: RAM 2. 00000000000a0000-00000000000fffff: RESERVED 3. 0000000000100000-000000007a997fff: RAM 4. 000000007a998000-000000007ab05fff: CONFIGURATION TABLES 5. 000000007ab06000-000000007abcffff: RAMSTAGE 6. 000000007abd0000-000000007affffff: CONFIGURATION TABLES 7. 000000007b000000-000000007fffffff: RESERVED 8. 00000000e0000000-00000000e3ffffff: RESERVED 9. 00000000fe000000-00000000fe00ffff: RESERVED 10. 00000000fed10000-00000000fed19fff: RESERVED 11. 00000000fed80000-00000000fed84fff: RESERVED 12. 00000000fed90000-00000000fed91fff: RESERVED 13. 0000000100000000-000000017effffff: RAM Graphics framebuffer located at 0xc0000000 Passing 6 GPIOs to payload: NAME | PORT | POLARITY | VALUE write protect | undefined | high | low recovery | undefined | high | low lid | undefined | high | high power | undefined | high | low oprom | undefined | high | low EC in RW | 0x00000036 | high | low Board ID: 6 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) Wrote coreboot table at: 7aabe000, 0x57c bytes, checksum 7afd 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 534107 exit 146365 call enable_fixed_mtrr() CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CPU physical address size: 39 bits CBFS: Locating 'fallback/payload' MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 MTRR: Fixed MSR 0x250 0x0606060606060606 call enable_fixed_mtrr() MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 CPU physical address size: 39 bits call enable_fixed_mtrr() CBFS: Found @ offset 223040 size 360b4 CPU physical address size: 39 bits Checking segment from ROM address 0xfff23078 Checking segment from ROM address 0xfff23094 Loading segment from ROM address 0xfff23078 code (compression=0) New segment dstaddr 0x30104020 memsize 0x64d8b0 srcaddr 0xfff230b0 filesize 0x3607c Loading Segment: addr: 0x30104020 memsz: 0x000000000064d8b0 filesz: 0x000000000003607c it's not compressed! [ 0x30104020, 3013a09c, 0x307518d0) <- fff230b0 Clearing Segment: addr: 0x000000003013a09c memsz: 0x0000000000617834 Loading segment from ROM address 0xfff23094 Entry Point 0x30104020 Loaded segments Finalizing chipset. ME: Host Firmware Status Register 1 : 0x90000245 ME: Host Firmware Status Register 2 : 0x6B000306 ME: Host Firmware Status Register 3 : 0x00000020 ME: Host Firmware Status Register 4 : 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 260704 exit 135414 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 7096238/tftp-deploy-glxddp4l/kernel/bzImage 7096238/tftp-deploy-glxddp4l/kernel/cmdline 7096238/tftp-deploy-glxddp4l/ramdisk/ramdisk.cpio.gz tftpboot 192.168.201.1 7096238/tftp-deploy-glxddp4l/kernel/bzImoy-glxddp4l/kernel/cmdline 7096238/tftp-deploy-glxddp4l/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:78:7f:da Sending DHCP discover... done. Waiting for reply... done. Sending DHCP request... done. Waiting for reply... done. My ip is 192.168.201.20 The DHCP server ip is 192.168.201.1 TFTP server IP predefined by user: 192.168.201.1 Bootfile predefined by user: 7096238/tftp-deploy-glxddp4l/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 13683360 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: 7096238/tftp-deploy-glxddp4l/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/7096238/extract-nfsrootfs-m8b2u_4r,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: 18006114 Starting kernel ... [ 0.000000] Linux version 5.10.136-cip14 (KernelCI@build-j70726-x86-64-gcc-10-x86-64-defconfig-x86-chromebooklwvjg) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Tue Aug 23 03:50:51 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/7096238/extract-nfsrootfs-m8b2u_4r,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 [ 0.000047] last_pfn = 0x17f000 max_arch_pfn = 0x400000000 [ 0.001153] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.006021] last_pfn = 0x7a998 max_arch_pfn = 0x400000000 [ 0.020263] check: Scanning 1 areas for low memory corruption [ 0.020274] Using GB pages for direct mapping [ 0.020943] RAMDISK: [mem 0x377f9000-0x37ffffff] [ 0.020949] ACPI: Early table checksum verification disabled [ 0.020956] ACPI: RSDP 0x00000000000F0000 000024 (v02 CORE ) [ 0.020967] ACPI: XSDT 0x000000007AA9A0E0 00006C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.020980] ACPI: FACP 0x000000007AA9E970 0000F4 (v04 CORE COREBOOT 00000000 CORE 00000000) [ 0.020994] ACPI: DSDT 0x000000007AA9A280 0046E3 (v05 COREv4 COREBOOT 20110725 INTL 20180531) [ 0.021005] ACPI: FACS 0x000000007AA9A240 000040 [ 0.021014] ACPI: FACS 0x000000007AA9A240 000040 [ 0.021024] ACPI: SSDT 0x000000007AA9EA70 000EFA (v02 CORE COREBOOT 0000002A CORE 0000002A) [ 0.021035] ACPI: MCFG 0x000000007AA9F970 00003C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.021045] ACPI: TPM2 0x000000007AA9F9B0 000040 (v04 CORE COREBOOT 00000000 CORE 00000000) [ 0.021055] ACPI: APIC 0x000000007AA9F9F0 00006C (v02 CORE COREBOOT 00000000 CORE 00000000) [ 0.021065] ACPI: NHLT 0x000000007AA9FA60 001B1C (v05 GOOGLE RAMMUS 00000000 CORE 00000000) [ 0.021075] ACPI: DMAR 0x000000007AAA1580 000088 (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.021085] ACPI: DBG2 0x000000007AAA3610 000061 (v00 CORE COREBOOT 00000000 CORE 00000000) [ 0.021095] ACPI: HPET 0x000000007AAA3680 000038 (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.021105] ACPI: Reserving FACP table memory at [mem 0x7aa9e970-0x7aa9ea63] [ 0.021110] ACPI: Reserving DSDT table memory at [mem 0x7aa9a280-0x7aa9e962] [ 0.021113] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] [ 0.021117] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] [ 0.021121] ACPI: Reserving SSDT table memory at [mem 0x7aa9ea70-0x7aa9f969] [ 0.021125] ACPI: Reserving MCFG table memory at [mem 0x7aa9f970-0x7aa9f9ab] [ 0.021129] ACPI: Reserving TPM2 table memory at [mem 0x7aa9f9b0-0x7aa9f9ef] [ 0.021133] ACPI: Reserving APIC table memory at [mem 0x7aa9f9f0-0x7aa9fa5b] [ 0.021137] ACPI: Reserving NHLT table memory at [mem 0x7aa9fa60-0x7aaa157b] [ 0.021141] ACPI: Reserving DMAR table memory at [mem 0x7aaa1580-0x7aaa1607] [ 0.021145] ACPI: Reserving DBG2 table memory at [mem 0x7aaa3610-0x7aaa3670] [ 0.021149] ACPI: Reserving HPET table memory at [mem 0x7aaa3680-0x7aaa36b7] [ 0.021279] No NUMA configuration found [ 0.021284] Faking a node at [mem 0x0000000000000000-0x000000017effffff] [ 0.021292] NODE_DATA(0) allocated [mem 0x17effa000-0x17effdfff] [ 0.021329] Zone ranges: [ 0.021333] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.021340] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.021346] Normal [mem 0x0000000100000000-0x000000017effffff] [ 0.021352] Movable zone start for each node [ 0.021356] Early memory node ranges [ 0.021360] node 0: [mem 0x0000000000001000-0x000000000009ffff] [ 0.021364] node 0: [mem 0x0000000000100000-0x000000007a997fff] [ 0.021369] node 0: [mem 0x0000000100000000-0x000000017effffff] [ 0.021374] Initmem setup node 0 [mem 0x0000000000001000-0x000000017effffff] [ 0.021403] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.021441] On node 0, zone DMA: 96 pages in unavailable ranges [ 0.031334] On node 0, zone Normal: 22120 pages in unavailable ranges [ 0.031407] On node 0, zone Normal: 4096 pages in unavailable ranges [ 0.031430] Reserving Intel graphics memory at [mem 0x7c000000-0x7fffffff] [ 0.031775] ACPI: PM-Timer IO Port: 0x1808 [ 0.031825] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-119 [ 0.031836] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 0.031841] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.031852] Using ACPI (MADT) for SMP configuration information [ 0.031857] ACPI: HPET id: 0x8086a701 base: 0xfed00000 [ 0.031863] TSC deadline timer available [ 0.031867] smpboot: Allowing 4 CPUs, 0 hotplug CPUs [ 0.031891] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.031896] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000fffff] [ 0.031901] PM: hibernation: Registered nosave memory: [mem 0x7a998000-0x7affffff] [ 0.031904] PM: hibernation: Registered nosave memory: [mem 0x7b000000-0x7fffffff] [ 0.031908] PM: hibernation: Registered nosave memory: [mem 0x80000000-0xdfffffff] [ 0.031911] PM: hibernation: Registered nosave memory: [mem 0xe0000000-0xe3ffffff] [ 0.031915] PM: hibernation: Registered nosave memory: [mem 0xe4000000-0xfdffffff] [ 0.031918] PM: hibernation: Registered nosave memory: [mem 0xfe000000-0xfe00ffff] [ 0.031921] PM: hibernation: Registered nosave memory: [mem 0xfe010000-0xfed0ffff] [ 0.031925] PM: hibernation: Registered nosave memory: [mem 0xfed10000-0xfed19fff] [ 0.031928] PM: hibernation: Registered nosave memory: [mem 0xfed1a000-0xfed7ffff] [ 0.031932] PM: hibernation: Registered nosave memory: [mem 0xfed80000-0xfed84fff] [ 0.031935] PM: hibernation: Registered nosave memory: [mem 0xfed85000-0xfed8ffff] [ 0.031938] PM: hibernation: Registered nosave memory: [mem 0xfed90000-0xfed91fff] [ 0.031942] PM: hibernation: Registered nosave memory: [mem 0xfed92000-0xffffffff] [ 0.031949] [mem 0x80000000-0xdfffffff] available for PCI devices [ 0.031955] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns [ 0.042995] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:4 nr_node_ids:1 [ 0.043233] percpu: Embedded 59 pages/cpu s200848 r8192 d32624 u524288 [ 0.043292] Built 1 zonelists, mobility grouping on. Total pages: 1006266 [ 0.043296] Policy zone: Normal [ 0.043308] 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/7096238/extract-nfsrootfs-m8b2u_4r,tcp,hard ip=dhcp tftpserverip=192.168.201.1 [ 0.043712] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) [ 0.043907] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear) [ 0.043981] mem auto-init: stack:off, heap alloc:off, heap free:off [ 0.062489] Memory: 3890612K/4089052K available (18450K kernel code, 3464K rwdata, 6032K rodata, 2040K init, 13236K bss, 198180K reserved, 0K cma-reserved) [ 0.062630] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 [ 0.062684] Kernel/User page tables isolation: enabled [ 0.062756] ftrace: allocating 53357 entries in 209 pages [ 0.109609] ftrace: allocated 209 pages with 4 groups [ 0.109852] Running RCU self tests [ 0.109865] rcu: Hierarchical RCU implementation. [ 0.109868] rcu: RCU event tracing is enabled. [ 0.109872] rcu: RCU lockdep checking is enabled. [ 0.109876] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=4. [ 0.109880] Rude variant of Tasks RCU enabled. [ 0.109883] Tracing variant of Tasks RCU enabled. [ 0.109887] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies. [ 0.109891] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 [ 0.118414] NR_IRQS: 4352, nr_irqs: 1024, preallocated irqs: 16 [ 0.118819] random: crng init done [ 0.118906] Console: colour dummy device 80x25 [ 0.194037] printk: console [ttyS0] enabled [ 0.194404] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.195065] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.195425] ... MAX_LOCK_DEPTH: 48 [ 0.195786] ... MAX_LOCKDEP_KEYS: 8192 [ 0.196168] ... CLASSHASH_SIZE: 4096 [ 0.196543] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.196926] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.197308] ... CHAINHASH_SIZE: 32768 [ 0.197691] memory used by lock dependency info: 6365 kB [ 0.198158] memory used for stack traces: 4224 kB [ 0.198576] per task-struct memory footprint: 1920 bytes [ 0.199089] ACPI: Core revision 20200925 [ 0.199633] hpet: HPET dysfunctional in PC10. Force disabled. [ 0.200132] APIC: Switch to symmetric I/O mode setup [ 0.204545] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x170fff30cc4, max_idle_ns: 440795237869 ns [ 0.205460] Calibrating delay loop (skipped), value calculated using timer frequency.. 3199.92 BogoMIPS (lpj=1599960) [ 0.206364] pid_max: default: 32768 minimum: 301 [ 0.206445] LSM: Security Framework initializing [ 0.206445] SELinux: Initializing. [ 0.206445] LSM support for eBPF active [ 0.206445] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.206445] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.206445] mce: CPU0: Thermal monitoring enabled (TM1) [ 0.206445] process: using mwait in idle threads [ 0.206445] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8 [ 0.206445] Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4 [ 0.206445] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 0.206445] Spectre V2 : Mitigation: IBRS [ 0.206445] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 0.206445] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB on VMEXIT [ 0.206445] RETBleed: Mitigation: IBRS [ 0.206445] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier [ 0.206445] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl and seccomp [ 0.206445] MDS: Vulnerable: Clear CPU buffers attempted, no microcode [ 0.206445] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode [ 0.206445] SRBDS: Vulnerable: No microcode [ 0.206445] ------------[ cut here ]------------ [ 0.206445] missing return thunk: lkdtm_rodata_do_nothing+0x0/0x10-lkdtm_rodata_do_nothing+0x5/0x10: e9 00 00 00 00 [ 0.206445] WARNING: CPU: 0 PID: 0 at arch/x86/kernel/alternative.c:712 apply_returns+0x1f5/0x220 [ 0.206445] Modules linked in: [ 0.206445] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.10.136-cip14 #1 [ 0.206445] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 0.206445] RIP: 0010:apply_returns+0x1f5/0x220 [ 0.206445] Code: c4 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 90 6b 00 85 c6 05 3b 5d c4 01 01 e8 e3 6c e8 00 <0f> 0b e9 b9 fe ff ff 44 89 f9 c7 00 cc cc cc cc c7 44 08 fc cc cc [ 0.206445] RSP: 0000:ffffffff85203de0 EFLAGS: 00010282 [ 0.206445] RAX: 0000000000000000 RBX: ffffffff85ce48b4 RCX: 0000000000000000 [ 0.206445] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8397ab31 [ 0.206445] RBP: ffffffff84cda1c0 R08: 0000000000000001 R09: 0000000000000001 [ 0.206445] R10: ffffffff8528fb80 R11: 3fffffffffffffff R12: ffffffff85cfc44c [ 0.206445] R13: cccccccccccccccc R14: ffffffff84cda1c5 R15: 0000000000000004 [ 0.206445] FS: 0000000000000000(0000) GS:ffff8f0b3ac00000(0000) knlGS:0000000000000000 [ 0.206445] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 0.206445] CR2: ffff8f0b3efff000 CR3: 0000000065826001 CR4: 00000000003706f0 [ 0.206445] Call Trace: [ 0.206445] alternative_instructions+0x7d/0x143 [ 0.206445] check_bugs+0xebd/0xf19 [ 0.206445] start_kernel+0x517/0x54d [ 0.206445] secondary_startup_64_no_verify+0xc2/0xcb [ 0.206445] irq event stamp: 162097 [ 0.206445] hardirqs last enabled at (162105): [] console_unlock+0x4d1/0x5f0 [ 0.206445] hardirqs last disabled at (162112): [] console_unlock+0x444/0x5f0 [ 0.206445] softirqs last enabled at (1820): [] cgroup_idr_alloc.constprop.0+0x5b/0xe0 [ 0.206445] softirqs last disabled at (1818): [] cgroup_idr_alloc.constprop.0+0x2e/0xe0 [ 0.206445] ---[ end trace e2f66c91d8f90f52 ]--- # [ 0.206445] Freeing SMP alternatives memory: 44K [ 0.206445] smpboot: CPU0: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz (family: 0x6, model: 0x8e, stepping: 0x9) [ 0.207109] Performance Events: PEBS fmt3+, Skylake events, 32-deep LBR, full-width counters, Intel PMU driver. [ 0.207460] ... version: 4 [ 0.207817] ... bit width: 48 [ 0.208178] ... generic registers: 4 [ 0.208452] ... value mask: 0000ffffffffffff [ 0.208916] ... max period: 00007fffffffffff [ 0.209377] ... fixed-purpose events: 3 [ 0.209450] ... event mask: 000000070000000f [ 0.210423] rcu: Hierarchical SRCU implementation. [ 0.212352] smp: Bringing up secondary CPUs ... [ 0.213196] x86: Booting SMP configuration: [ 0.213466] .... node #0, CPUs: #1 [ 0.214504] 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. [ 0.215475] 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. [ 0.217127] #2 #3 [ 0.219254] smp: Brought up 1 node, 4 CPUs [ 0.219814] smpboot: Max logical packages: 1 [ 0.220192] smpboot: Total of 4 processors activated (12799.68 BogoMIPS) [ 0.222802] devtmpfs: initialized [ 0.223564] x86/mm: Memory block size: 128MB [ 0.227549] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns [ 0.228464] futex hash table entries: 1024 (order: 5, 131072 bytes, linear) [ 0.229469] pinctrl core: initialized pinctrl subsystem [ 0.230280] PM: RTC time: 03:54:13, date: 2022-08-23 [ 0.230970] NET: Registered protocol family 16 [ 0.232087] audit: initializing netlink subsys (disabled) [ 0.232495] audit: type=2000 audit(1661226853.027:1): state=initialized audit_enabled=0 res=1 [ 0.233158] thermal_sys: Registered thermal governor 'step_wise' [ 0.233236] thermal_sys: Registered thermal governor 'user_space' [ 0.233561] cpuidle: using governor menu [ 0.234588] ACPI: bus type PCI registered [ 0.235305] PCI: MMCONFIG for domain 0000 [bus 00-3f] at [mem 0xe0000000-0xe3ffffff] (base 0xe0000000) [ 0.235460] PCI: MMCONFIG at [mem 0xe0000000-0xe3ffffff] reserved in E820 [ 0.236076] PCI: Using configuration type 1 for base access [ 0.260581] Kprobes globally optimized [ 0.260592] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 0.261456] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 0.262213] cryptomgr_test (39) used greatest stack depth: 14880 bytes left [ 0.264755] ACPI: Added _OSI(Module Device) [ 0.265459] ACPI: Added _OSI(Processor Device) [ 0.265853] ACPI: Added _OSI(3.0 _SCP Extensions) [ 0.266266] ACPI: Added _OSI(Processor Aggregator Device) [ 0.266454] ACPI: Added _OSI(Linux-Dell-Video) [ 0.266849] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 0.267314] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 0.280135] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 0.288652] ACPI: EC: EC started [ 0.288963] ACPI: EC: interrupt blocked [ 0.290105] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.290456] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC used to handle transactions [ 0.291093] ACPI: Interpreter enabled [ 0.291481] ACPI: (supports S0 S3 S4 S5) [ 0.291832] ACPI: Using IOAPIC for interrupt routing [ 0.292347] PCI: Using host bridge windows from ACPI; if necessary, use \"pci=nocrs\" and report a bug [ 0.310239] ACPI: Power Resource [PRIC] (on) [ 0.439557] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 0.440106] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] [ 0.440786] acpi PNP0A08:00: _OSC: OS now controls [PME PCIeCapability LTR] [ 0.441445] acpi PNP0A08:00: [Firmware Info]: MMCONFIG for domain 0000 [bus 00-3f] only partially covers this bridge [ 0.443057] PCI host bridge to bus 0000:00 [ 0.443426] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 0.443454] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 0.444043] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 0.444454] pci_bus 0000:00: root bus resource [mem 0x000c0000-0x000c3fff window] [ 0.445099] pci_bus 0000:00: root bus resource [mem 0x000c4000-0x000c7fff window] [ 0.445453] pci_bus 0000:00: root bus resource [mem 0x000c8000-0x000cbfff window] [ 0.446099] pci_bus 0000:00: root bus resource [mem 0x000cc000-0x000cffff window] [ 0.446453] pci_bus 0000:00: root bus resource [mem 0x000d0000-0x000d3fff window] [ 0.447099] pci_bus 0000:00: root bus resource [mem 0x000d4000-0x000d7fff window] [ 0.447453] pci_bus 0000:00: root bus resource [mem 0x000d8000-0x000dbfff window] [ 0.448098] pci_bus 0000:00: root bus resource [mem 0x000dc000-0x000dffff window] [ 0.448453] pci_bus 0000:00: root bus resource [mem 0x000e0000-0x000e3fff window] [ 0.449098] pci_bus 0000:00: root bus resource [mem 0x000e4000-0x000e7fff window] [ 0.449453] pci_bus 0000:00: root bus resource [mem 0x000e8000-0x000ebfff window] [ 0.450098] pci_bus 0000:00: root bus resource [mem 0x000ec000-0x000effff window] [ 0.450453] pci_bus 0000:00: root bus resource [mem 0x000f0000-0x000fffff window] [ 0.451099] pci_bus 0000:00: root bus resource [mem 0x80000001-0xdfffffff window] [ 0.451453] pci_bus 0000:00: root bus resource [mem 0x800000000-0xbffffffff window] [ 0.452112] pci_bus 0000:00: root bus resource [mem 0xfd000000-0xfe7fffff window] [ 0.452453] pci_bus 0000:00: root bus resource [mem 0xfed40000-0xfed44fff window] [ 0.453100] pci_bus 0000:00: root bus resource [bus 00-ff] [ 0.453541] pci 0000:00:00.0: [8086:590c] type 00 class 0x060000 [ 0.455180] pci 0000:00:02.0: [8086:591c] type 00 class 0x030000 [ 0.455479] pci 0000:00:02.0: reg 0x10: [mem 0xd0000000-0xd0ffffff 64bit] [ 0.456081] pci 0000:00:02.0: reg 0x18: [mem 0xc0000000-0xcfffffff 64bit pref] [ 0.456461] pci 0000:00:02.0: reg 0x20: [io 0x1c00-0x1c3f] [ 0.457655] pci 0000:00:04.0: [8086:1903] type 00 class 0x118000 [ 0.458205] pci 0000:00:04.0: reg 0x10: [mem 0xd1120000-0xd1127fff 64bit] [ 0.459305] pci 0000:00:08.0: [8086:1911] type 00 class 0x088000 [ 0.459481] pci 0000:00:08.0: reg 0x10: [mem 0xd1130000-0xd1130fff 64bit] [ 0.460807] pci 0000:00:14.0: [8086:9d2f] type 00 class 0x0c0330 [ 0.461359] pci 0000:00:14.0: reg 0x10: [mem 0xd1100000-0xd110ffff 64bit] [ 0.461605] pci 0000:00:14.0: PME# supported from D3hot D3cold [ 0.462944] pci 0000:00:14.2: [8086:9d31] type 00 class 0x118000 [ 0.463492] pci 0000:00:14.2: reg 0x10: [mem 0xd1131000-0xd1131fff 64bit] [ 0.464828] pci 0000:00:15.0: [8086:9d60] type 00 class 0x118000 [ 0.465388] pci 0000:00:15.0: reg 0x10: [mem 0xd1132000-0xd1132fff 64bit] [ 0.466377] pci 0000:00:15.1: [8086:9d61] type 00 class 0x118000 [ 0.466499] pci 0000:00:15.1: reg 0x10: [mem 0xd1133000-0xd1133fff 64bit] [ 0.468031] pci 0000:00:19.0: [8086:9d66] type 00 class 0x118000 [ 0.468499] pci 0000:00:19.0: reg 0x10: [mem 0xfe034000-0xfe034fff 64bit] [ 0.469109] pci 0000:00:19.0: reg 0x18: [mem 0xd1135000-0xd1135fff 64bit] [ 0.470333] pci 0000:00:19.1: [8086:9d65] type 00 class 0x118000 [ 0.470499] pci 0000:00:19.1: reg 0x10: [mem 0xd1136000-0xd1136fff 64bit] [ 0.472016] pci 0000:00:1c.0: [8086:9d10] type 01 class 0x060400 [ 0.472657] pci 0000:00:1c.0: PME# supported from D0 D3hot D3cold [ 0.474039] pci 0000:00:1e.0: [8086:9d27] type 00 class 0x118000 [ 0.474500] pci 0000:00:1e.0: reg 0x10: [mem 0xd1137000-0xd1137fff 64bit] [ 0.475989] pci 0000:00:1e.2: [8086:9d29] type 00 class 0x118000 [ 0.476500] pci 0000:00:1e.2: reg 0x10: [mem 0xd1138000-0xd1138fff 64bit] [ 0.478001] pci 0000:00:1e.4: [8086:9d2b] type 00 class 0x080501 [ 0.478493] pci 0000:00:1e.4: reg 0x10: [mem 0xd1139000-0xd1139fff 64bit] [ 0.480101] pci 0000:00:1e.6: [8086:9d2d] type 00 class 0x080501 [ 0.480494] pci 0000:00:1e.6: reg 0x10: [mem 0xd113a000-0xd113afff 64bit] [ 0.481952] pci 0000:00:1f.0: [8086:9d4b] type 00 class 0x060100 [ 0.483331] pci 0000:00:1f.2: [8086:9d21] type 00 class 0x058000 [ 0.483485] pci 0000:00:1f.2: reg 0x10: [mem 0xd1128000-0xd112bfff] [ 0.484867] pci 0000:00:1f.3: [8086:9d71] type 00 class 0x040100 [ 0.485426] pci 0000:00:1f.3: reg 0x10: [mem 0xd112c000-0xd112ffff 64bit] [ 0.485513] pci 0000:00:1f.3: reg 0x20: [mem 0xd1110000-0xd111ffff 64bit] [ 0.486204] pci 0000:00:1f.3: PME# supported from D3hot D3cold [ 0.487302] pci 0000:00:1f.4: [8086:9d23] type 00 class 0x0c0500 [ 0.487519] pci 0000:00:1f.4: reg 0x10: [mem 0xd113c000-0xd113c0ff 64bit] [ 0.488176] pci 0000:00:1f.4: reg 0x20: [io 0xefa0-0xefbf] [ 0.489275] pci 0000:00:1f.5: [8086:9d24] type 00 class 0x000000 [ 0.489486] pci 0000:00:1f.5: reg 0x10: [mem 0xfe010000-0xfe010fff] [ 0.491156] pci 0000:01:00.0: [8086:095a] type 00 class 0x028000 [ 0.491702] pci 0000:01:00.0: reg 0x10: [mem 0xd1000000-0xd1001fff 64bit] [ 0.493344] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold [ 0.495184] pci 0000:00:1c.0: PCI bridge to [bus 01] [ 0.495470] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] [ 0.497511] ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.498484] ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 *10 12 14 15) [ 0.499404] ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.499762] ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.500704] ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.501650] ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.502599] ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.503545] ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.510555] ACPI: EC: interrupt unblocked [ 0.510923] ACPI: EC: event unblocked [ 0.511269] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.511453] ACPI: EC: GPE=0x6e [ 0.511735] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC initialization complete [ 0.512346] ACPI: \_SB_.PCI0.LPCB.EC0_: EC: Used to handle transactions and events [ 0.512896] iommu: Default domain type: Translated [ 0.513640] pci 0000:00:02.0: vgaarb: setting as boot VGA device [ 0.514063] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 0.514487] pci 0000:00:02.0: vgaarb: bridge control possible [ 0.514989] vgaarb: loaded [ 0.515831] SCSI subsystem initialized [ 0.516548] ACPI: bus type USB registered [ 0.517036] usbcore: registered new interface driver usbfs [ 0.517515] usbcore: registered new interface driver hub [ 0.518023] usbcore: registered new device driver usb [ 0.518580] pps_core: LinuxPPS API ver. 1 registered [ 0.519016] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 0.519463] PTP clock support registered [ 0.519882] Advanced Linux Sound Architecture Driver Initialized. [ 0.521458] NetLabel: Initializing [ 0.521767] NetLabel: domain hash size = 128 [ 0.522150] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 0.522526] NetLabel: unlabeled traffic allowed by default [ 0.523099] PCI: Using ACPI for IRQ routing [ 0.531223] clocksource: Switched to clocksource tsc-early [ 0.926112] VFS: Disk quotas dquot_6.6.0 [ 0.926525] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 0.927495] pnp: PnP ACPI init [ 0.928531] system 00:00: [mem 0xfed10000-0xfed17fff] has been reserved [ 0.929111] system 00:00: [mem 0xfed18000-0xfed18fff] has been reserved [ 0.929705] system 00:00: [mem 0xfed19000-0xfed19fff] has been reserved [ 0.930281] system 00:00: [mem 0xe0000000-0xe3ffffff] has been reserved [ 0.930870] system 00:00: [mem 0xfed20000-0xfed3ffff] has been reserved [ 0.931460] system 00:00: [mem 0xfed90000-0xfed93fff] could not be reserved [ 0.932067] system 00:00: [mem 0xfed45000-0xfed8ffff] could not be reserved [ 0.932686] system 00:00: [mem 0xff000000-0xffffffff] has been reserved [ 0.933261] system 00:00: [mem 0xfee00000-0xfeefffff] has been reserved [ 0.933850] system 00:00: [mem 0xfed00000-0xfed003ff] has been reserved [ 0.935314] system 00:01: [io 0x1800-0x18fe] has been reserved [ 0.936211] system 00:03: [io 0x0900-0x09fe] has been reserved [ 0.936984] system 00:04: [io 0x0200] has been reserved [ 0.937469] system 00:04: [io 0x0204] has been reserved [ 0.937938] system 00:04: [io 0x0800-0x087f] has been reserved [ 0.938468] system 00:04: [io 0x0880-0x08ff] has been reserved [ 0.941398] pnp: PnP ACPI: found 6 devices [ 0.955737] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 0.956624] NET: Registered protocol family 2 [ 0.957173] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear) [ 0.959288] tcp_listen_portaddr_hash hash table entries: 2048 (order: 5, 163840 bytes, linear) [ 0.960229] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear) [ 0.961127] TCP bind hash table entries: 32768 (order: 9, 2359296 bytes, linear) [ 0.963463] TCP: Hash tables configured (established 32768 bind 32768) [ 0.964326] MPTCP token hash table entries: 4096 (order: 6, 360448 bytes, linear) [ 0.965242] UDP hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 0.966083] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 0.967069] NET: Registered protocol family 1 [ 0.968128] RPC: Registered named UNIX socket transport module. [ 0.968689] RPC: Registered udp transport module. [ 0.969105] RPC: Registered tcp transport module. [ 0.969531] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 0.970634] NET: Registered protocol family 44 [ 0.971045] pci 0000:00:1c.0: PCI bridge to [bus 01] [ 0.971518] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] [ 0.972117] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 0.972663] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 0.973200] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 0.973859] pci_bus 0000:00: resource 7 [mem 0x000c0000-0x000c3fff window] [ 0.974469] pci_bus 0000:00: resource 8 [mem 0x000c4000-0x000c7fff window] [ 0.975064] pci_bus 0000:00: resource 9 [mem 0x000c8000-0x000cbfff window] [ 0.975671] pci_bus 0000:00: resource 10 [mem 0x000cc000-0x000cffff window] [ 0.976274] pci_bus 0000:00: resource 11 [mem 0x000d0000-0x000d3fff window] [ 0.976887] pci_bus 0000:00: resource 12 [mem 0x000d4000-0x000d7fff window] [ 0.977503] pci_bus 0000:00: resource 13 [mem 0x000d8000-0x000dbfff window] [ 0.978105] pci_bus 0000:00: resource 14 [mem 0x000dc000-0x000dffff window] [ 0.978738] pci_bus 0000:00: resource 15 [mem 0x000e0000-0x000e3fff window] [ 0.979340] pci_bus 0000:00: resource 16 [mem 0x000e4000-0x000e7fff window] [ 0.979951] pci_bus 0000:00: resource 17 [mem 0x000e8000-0x000ebfff window] [ 0.980568] pci_bus 0000:00: resource 18 [mem 0x000ec000-0x000effff window] [ 0.981170] pci_bus 0000:00: resource 19 [mem 0x000f0000-0x000fffff window] [ 0.981803] pci_bus 0000:00: resource 20 [mem 0x80000001-0xdfffffff window] [ 0.982426] pci_bus 0000:00: resource 21 [mem 0x800000000-0xbffffffff window] [ 0.983052] pci_bus 0000:00: resource 22 [mem 0xfd000000-0xfe7fffff window] [ 0.983688] pci_bus 0000:00: resource 23 [mem 0xfed40000-0xfed44fff window] [ 0.984291] pci_bus 0000:01: resource 1 [mem 0xd1000000-0xd10fffff] [ 0.985282] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 0.987896] PCI: CLS 64 bytes, default 64 [ 0.988640] Unpacking initramfs... [ 1.240505] Freeing initrd memory: 8220K [ 1.241001] DMAR: Host address width 39 [ 1.241371] DMAR: DRHD base: 0x000000fed90000 flags: 0x0 [ 1.241912] DMAR: dmar0: reg_base_addr fed90000 ver 1:0 cap 1c0000c40660462 ecap 19e2ff0505e [ 1.242682] DMAR: RMRR base: 0x0000007b800000 end: 0x0000007fffffff [ 1.243229] DMAR: DRHD base: 0x000000fed91000 flags: 0x1 [ 1.243722] DMAR: dmar1: reg_base_addr fed91000 ver 1:0 cap d2008c40660462 ecap f050da [ 1.244507] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 1.245068] software IO TLB: mapped [mem 0x0000000076998000-0x000000007a998000] (64MB) [ 1.245968] RAPL PMU: API unit is 2^-32 Joules, 5 fixed counters, 655360 ms ovfl timer [ 1.246669] RAPL PMU: hw unit of domain pp0-core 2^-14 Joules [ 1.247170] RAPL PMU: hw unit of domain package 2^-14 Joules [ 1.247729] RAPL PMU: hw unit of domain dram 2^-14 Joules [ 1.248200] RAPL PMU: hw unit of domain pp1-gpu 2^-14 Joules [ 1.248702] RAPL PMU: hw unit of domain psys 2^-14 Joules [ 1.250888] kvm: already loaded the other module [ 1.254808] check: Scanning for low memory corruption every 60 seconds [ 1.258463] Initialise system trusted keyrings [ 1.259088] workingset: timestamp_bits=56 max_order=20 bucket_order=0 [ 1.279149] NFS: Registering the id_resolver key type [ 1.279648] Key type id_resolver registered [ 1.280042] Key type id_legacy registered [ 1.296688] Key type asymmetric registered [ 1.297096] Asymmetric key parser 'x509' registered [ 1.297589] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249) [ 1.298261] io scheduler mq-deadline registered [ 1.298673] io scheduler kyber registered [ 1.299221] test_firmware: interface ready [ 1.301097] pcieport 0000:00:1c.0: PME: Signaling with IRQ 120 [ 1.302880] ACPI: AC Adapter [AC] (on-line) [ 1.303638] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/PNP0C0D:00/input/input0 [ 1.305292] ACPI: Lid Switch [LID0] [ 1.305879] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input1 [ 1.306762] ACPI: Power Button [PWRF] [ 1.307420] ACPI: \_PR_.CP00: Found 3 idle states [ 1.308621] ACPI: \_PR_.CP01: Found 3 idle states [ 1.309642] ACPI: \_PR_.CP02: Found 3 idle states [ 1.310640] ACPI: \_PR_.CP03: Found 3 idle states [ 1.312079] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 1.315562] hpet_acpi_add: no address or irqs in _CRS [ 1.316280] Non-volatile memory driver v1.3 [ 1.316885] Linux agpgart interface v0.103 [ 1.317274] battery: ACPI: Battery Slot [BAT0] (battery present) [ 1.319950] i915 0000:00:02.0: vgaarb: deactivate vga console [ 1.372985] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem [ 1.374362] i915 0000:00:02.0: Direct firmware load for i915/kbl_dmc_ver1_04.bin failed with error -2 [ 1.375314] i915 0000:00:02.0: [drm] Failed to load DMC firmware i915/kbl_dmc_ver1_04.bin. Disabling runtime power management. [ 1.376545] i915 0000:00:02.0: [drm] DMC firmware homepage: https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/tree/i915 [ 1.404307] [drm] Initialized i915 1.6.0 20200917 for 0000:00:02.0 on minor 0 [ 1.408880] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 1 [ 1.431182] loop: module loaded [ 1.432480] lkdtm: No crash points registered, enable through debugfs [ 1.460963] printk: console [ttyS0] disabled [ 1.462374] dw-apb-uart.2: ttyS0 at MMIO 0xfe034000 (irq = 32, base_baud = 115200) is a 16550A [ 2.285682] tsc: Refined TSC clocksource calibration: 1607.999 MHz [ 2.290197] printk: console [ttyS0] enabled [ 2.297927] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x172da94f0e2, max_idle_ns: 440795278248 ns [ 2.322339] dw-apb-uart.4: ttyS1 at MMIO 0xd1137000 (irq = 20, base_baud = 115200) is a 16550A [ 4.904325] clocksource: Switched to clocksource tsc [ 4.904567] fbcon: i915drmfb (fb0) is primary device [ 4.907797] pxa2xx-spi pxa2xx-spi.5: no DMA channels available, using PIO [ 4.916519] e100: Intel(R) PRO/100 Network Driver [ 4.916522] e100: Copyright(c) 1999-2006 Intel Corporation [ 4.916587] e1000: Intel(R) PRO/1000 Network Driver [ 4.916590] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 4.916676] e1000e: Intel(R) PRO/1000 Network Driver [ 4.916679] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 4.916767] sky2: driver version 1.30 [ 4.917115] usbcore: registered new interface driver r8152 [ 4.917551] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 4.917571] ehci-pci: EHCI PCI platform driver [ 4.917639] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 4.917655] ohci-pci: OHCI PCI platform driver [ 4.917720] uhci_hcd: USB Universal Host Controller Interface driver [ 4.919107] xhci_hcd 0000:00:14.0: xHCI Host Controller [ 4.919586] tpm_tis_spi spi-PRP0001:00: TPM ready IRQ confirmed on attempt 2 [ 4.920333] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 1 [ 4.921886] xhci_hcd 0000:00:14.0: hcc params 0x200077c1 hci version 0x100 quirks 0x0000000081109810 [ 4.921990] xhci_hcd 0000:00:14.0: cache line size of 64 is not supported [ 4.925065] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10 [ 4.925109] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 4.925132] usb usb1: Product: xHCI Host Controller [ 4.925135] usb usb1: Manufacturer: Linux 5.10.136-cip14 xhci-hcd [ 4.925139] usb usb1: SerialNumber: 0000:00:14.0 [ 4.927697] hub 1-0:1.0: USB hub found [ 4.927942] hub 1-0:1.0: 12 ports detected [ 4.934291] xhci_hcd 0000:00:14.0: xHCI Host Controller [ 4.935610] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 2 [ 4.935623] xhci_hcd 0000:00:14.0: Host supports USB 3.0 SuperSpeed [ 4.935978] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.10 [ 4.935986] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 4.935990] usb usb2: Product: xHCI Host Controller [ 4.935994] usb usb2: Manufacturer: Linux 5.10.136-cip14 xhci-hcd [ 4.935997] usb usb2: SerialNumber: 0000:00:14.0 [ 4.937445] hub 2-0:1.0: USB hub found [ 4.937600] hub 2-0:1.0: 6 ports detected [ 4.938203] Console: switching to colour frame buffer device 240x67 [ 4.940145] usbcore: registered new interface driver usblp [ 4.940247] usbcore: registered new interface driver usb-storage [ 4.940806] udc-core: couldn't find an available UDC - added [g_ether] to list of pending drivers [ 4.940962] i8042: PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1 [ 4.940965] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp [ 4.941826] i8042: Warning: Keylock active [ 4.942085] serio: i8042 KBD port at 0x60,0x64 irq 1 [ 4.944304] tpm_tis_spi spi-PRP0001:00: 2.0 TPM (device-id 0x28, rev-id 0) [ 4.944954] rtc_cmos 00:02: RTC can wake from S4 [ 4.947608] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input2 [ 4.950850] rtc_cmos 00:02: registered as rtc0 [ 4.951224] rtc_cmos 00:02: alarms up to one month, 242 bytes nvram [ 4.952848] i801_smbus 0000:00:1f.4: SPD Write Disable is set [ 4.952909] i801_smbus 0000:00:1f.4: SMBus using PCI interrupt [ 4.954383] i2c i2c-9: 2/2 memory slots populated (from DMI) [ 4.957487] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com [ 4.960178] i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device [ 4.965965] intel_pstate: Intel P-state driver initializing [ 5.268640] usb 2-3: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 5.286323] intel_pstate: HWP enabled [ 5.347863] sdhci: Secure Digital Host Controller Interface driver [ 5.354787] sdhci: Copyright(c) Pierre Ossman [ 5.359710] sdhci-pci 0000:00:1e.4: SDHCI controller found [8086:9d2b] (rev 21) [ 5.368036] usb 2-3: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=31.00 [ 5.369109] mmc0: SDHCI controller on PCI [0000:00:1e.4] using ADMA 64-bit [ 5.377241] usb 2-3: New USB device strings: Mfr=1, Product=2, SerialNumber=6 [ 5.385655] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.392919] usb 2-3: Product: USB 10/100/1000 LAN [ 5.392922] usb 2-3: Manufacturer: Realtek [ 5.392924] usb 2-3: SerialNumber: 001000001 [ 5.417565] hid: raw HID events driver (C) Jiri Kosina [ 5.424006] usbcore: registered new interface driver usbhid [ 5.430241] usbhid: USB HID core driver [ 5.435093] input: Tablet Mode Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/GOOG0006:00/input/input3 [ 5.439825] 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 [ 5.453834] cros_ec_lpcs GOOG0004:00: Chrome EC device registered [ 5.468487] usb 1-3: new full-speed USB device number 2 using xhci_hcd [ 5.468577] snd_hda_intel 0000:00:1f.3: DSP detected with PCI class/subclass/prog-if info 0x040100 [ 5.486750] ipip: IPv4 and MPLS over IPv4 tunneling driver [ 5.493163] gre: GRE over IPv4 demultiplexor driver [ 5.498617] ip_gre: GRE over IPv4 tunneling driver [ 5.505631] snd_hda_intel 0000:00:1f.3: bound 0000:00:02.0 (ops i915_audio_component_bind_ops) [ 5.506256] IPv4 over IPsec tunneling driver [ 5.520495] Initializing XFRM netlink socket [ 5.526038] NET: Registered protocol family 10 [ 5.530194] snd_hda_intel 0000:00:1f.3: Cannot probe codecs, giving up [ 5.531924] Segment Routing with IPv6 [ 5.543179] ip6_gre: GRE over IPv6 tunneling driver [ 5.548971] NET: Registered protocol family 17 [ 5.554182] 8021q: 802.1Q VLAN Support v1.8 [ 5.558961] Key type dns_resolver registered [ 5.564617] microcode: sig=0x806e9, pf=0x10, revision=0x98 [ 5.570890] microcode: Microcode Update Driver: v2.2. [ 5.570896] IPI shorthand broadcast: enabled [ 5.581415] sched_clock: Marking stable (5494705514, 86660021)->(5678031233, -96665698) [ 5.590640] registered taskstats version 1 [ 5.595233] Loading compiled-in X.509 certificates [ 5.602983] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.612974] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.614579] usb 1-3: New USB device found, idVendor=8087, idProduct=0a2a, bcdDevice= 0.03 [ 5.622576] PM: Magic number: 2:946:917 [ 5.630327] usb 1-3: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 5.642957] printk: console [netcon0] enabled [ 5.647888] netconsole: network logging started [ 5.655129] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.676768] mmc0: new HS400 MMC card at address 0001 [ 5.683130] mmcblk0: mmc0:0001 DA4064 58.2 GiB [ 5.688322] mmcblk0boot0: mmc0:0001 DA4064 partition 1 4.00 MiB [ 5.695059] mmcblk0boot1: mmc0:0001 DA4064 partition 2 4.00 MiB [ 5.701922] mmcblk0rpmb: mmc0:0001 DA4064 partition 3 16.0 MiB, chardev (246:0) [ 5.720568] mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12 [ 5.729391] usb 2-3: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 5.732970] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.756328] r8152 2-3:1.0: Direct firmware load for rtl_nic/rtl8153b-2.fw failed with error -2 [ 5.766042] r8152 2-3:1.0: unable to load firmware patch rtl_nic/rtl8153b-2.fw (-2) [ 5.806023] r8152 2-3:1.0 eth0: v1.11.11 [ 5.811004] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.811587] IP-Config: Failed to open gretap0 [ 5.824122] IP-Config: Failed to open erspan0 [ 5.845698] Sending DHCP requests . [ 5.866632] usb 1-9: new high-speed USB device number 3 using xhci_hcd [ 6.033712] usb 1-9: New USB device found, idVendor=13d3, idProduct=56d4, bcdDevice=18.07 [ 6.042901] usb 1-9: New USB device strings: Mfr=3, Product=1, SerialNumber=2 [ 6.050901] usb 1-9: Product: USB2.0 HD UVC WebCam [ 6.056276] usb 1-9: Manufacturer: Azurewave [ 6.061068] usb 1-9: SerialNumber: 0x0001 [ 6.070070] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 7.430430] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready [ 7.438222] r8152 2-3:1.0 eth0: carrier on [ 8.050611] ., OK [ 8.060864] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.20 [ 8.069845] IP-Config: Complete: [ 8.073479] device=eth0, hwaddr=00:e0:4c:78:7f:da, ipaddr=192.168.201.20, mask=255.255.255.0, gw=192.168.201.1 [ 8.085171] host=asus-C433TA-AJ0005-rammus-cbg-3, domain=lava-rack, nis-domain=(none) [ 8.094429] bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath= [ 8.094432] nameserver0=192.168.201.1 [ 8.107282] cfg80211: Loading compiled-in X.509 certificates for regulatory database [ 8.119081] modprobe (103) used greatest stack depth: 14208 bytes left [ 8.122322] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' [ 8.133983] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 [ 8.134581] ALSA device list: [ 8.143685] cfg80211: failed to load regulatory.db [ 8.146994] No soundcards found. [ 8.156680] dw-apb-uart dw-apb-uart.2: forbid DMA for kernel console [ 8.166769] Freeing unused kernel image (initmem) memory: 2040K [ 8.184716] Write protecting the kernel read-only data: 26624k [ 8.192430] Freeing unused kernel image (text/rodata gap) memory: 2028K [ 8.200113] Freeing unused kernel image (rodata/data gap) memory: 112K [ 8.207466] Run /init as init process [ 8.213926] mkdir (109) used greatest stack depth: 13928 bytes left Loading, please wait... Starting version 247.3-7 [ 8.284639] udevadm (127) used greatest stack depth: 13608 bytes left [ 8.437789] cros-usbpd-notify-acpi GOOG0003:00: Couldn't get Chrome EC device pointer. [ 8.446787] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 8.479236] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 8.533296] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 8.544105] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 8.554738] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 8.565173] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 8.579409] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 8.590179] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) Begin: Loading essential drivers ... done. Begin: Running /scripts/init-premount ... done. Begin: Mounting root file system ... Begin: Running /scripts/nfs-top ... done. Begin: Running /scripts/nfs-premount ... done. IP-Config: eth0 hardware address 00:e0:4c:78:7f:da mtu 1500 DHCP IP-Config: gretap0 hardware address 00:00:00:00:00:00 mtu 1462 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: erspan0 hardware address 00:00:00:00:00:00 mtu 1450 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: eth0 complete (dhcp from 192.168.201.1): address: 192.168.201.20 broadcast: 192.168.201.255 netmask: 255.255.255.0 gateway: 192.168.201.1 dns0 : 192.168.201.1 dns1 : 0.0.0.0 host : asus-C433TA-AJ0005-rammus-cbg-3 domain : lava-rack rootserver: 192.168.201.1 rootpath: filename : [ 8.745153] nfsmount (164) 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 [ 9.890597] systemd[1]: systemd 247.3-7 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) [ 9.927783] systemd[1]: Detected architecture x86-64. Welcome to [1mDebian GNU/Linux 11 (bullseye)[0m! [ 9.954894] systemd[1]: Set hostname to . [ 10.449683] systemd[1]: Queued start job for default target Graphical Interface. [ 10.461071] systemd[1]: Created slice system-getty.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-getty.slice[0m. [ 10.478144] systemd[1]: Created slice system-modprobe.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-modprobe.slice[0m. [ 10.494297] systemd[1]: Created slice system-serial\x2dgetty.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-serial\x2dgetty.slice[0m. [ 10.511174] systemd[1]: Created slice User and Session Slice. [[0;32m OK [0m] Created slice [0;1;39mUser and Session Slice[0m. [ 10.527076] 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. [ 10.545948] 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. [ 10.567742] 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. [ 10.590858] systemd[1]: Reached target Local Encrypted Volumes. [[0;32m OK [0m] Reached target [0;1;39mLocal Encrypted Volumes[0m. [ 10.606764] systemd[1]: Reached target Paths. [[0;32m OK [0m] Reached target [0;1;39mPaths[0m. [ 10.617720] systemd[1]: Reached target Remote File Systems. [[0;32m OK [0m] Reached target [0;1;39mRemote File Systems[0m. [ 10.633948] systemd[1]: Reached target Slices. [[0;32m OK [0m] Reached target [0;1;39mSlices[0m. [ 10.647965] systemd[1]: Reached target Swap. [[0;32m OK [0m] Reached target [0;1;39mSwap[0m. [ 10.659726] systemd[1]: Listening on initctl Compatibility Named Pipe. [[0;32m OK [0m] Listening on [0;1;39minitctl Compatibility Named Pipe[0m. [ 10.679146] systemd[1]: Listening on Journal Audit Socket. [[0;32m OK [0m] Listening on [0;1;39mJournal Audit Socket[0m. [ 10.695773] systemd[1]: Listening on Journal Socket (/dev/log). [[0;32m OK [0m] Listening on [0;1;39mJournal Socket (/dev/log)[0m. [ 10.712294] systemd[1]: Listening on Journal Socket. [[0;32m OK [0m] Listening on [0;1;39mJournal Socket[0m. [ 10.727910] systemd[1]: Listening on Network Service Netlink Socket. [[0;32m OK [0m] Listening on [0;1;39mNetwork Service Netlink Socket[0m. [ 10.746740] systemd[1]: Listening on udev Control Socket. [[0;32m OK [0m] Listening on [0;1;39mudev Control Socket[0m. [ 10.762156] systemd[1]: Listening on udev Kernel Socket. [[0;32m OK [0m] Listening on [0;1;39mudev Kernel Socket[0m. [ 10.780112] systemd[1]: Mounting Huge Pages File System... Mounting [0;1;39mHuge Pages File System[0m... [ 10.794564] systemd[1]: Mounting POSIX Message Queue File System... Mounting [0;1;39mPOSIX Message Queue File System[0m... [ 10.813670] systemd[1]: Mounting Kernel Debug File System... Mounting [0;1;39mKernel Debug File System[0m... [ 10.829673] systemd[1]: Mounting Kernel Trace File System... Mounting [0;1;39mKernel Trace File System[0m... [ 10.855054] 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... [ 10.875629] systemd[1]: Starting Load Kernel Module configfs... Starting [0;1;39mLoad Kernel Module configfs[0m... [ 10.893390] systemd[1]: Starting Load Kernel Module drm... Starting [0;1;39mLoad Kernel Module drm[0m... [ 10.907409] systemd[1]: Starting Load Kernel Module fuse... Starting [0;1;39mLoad Kernel Module fuse[0m... [ 10.945570] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. [ 10.955990] fuse: init (API version 7.32) [ 10.962088] systemd[1]: Starting Journal Service... Starting [0;1;39mJournal Service[0m... [ 10.979839] systemd[1]: Starting Load Kernel Modules... Starting [0;1;39mLoad Kernel Modules[0m... [ 10.993395] systemd[1]: Starting Remount Root and Kernel File Systems... Starting [0;1;39mRemount Root and Kernel File Systems[0m... [ 11.012417] systemd[1]: Starting Coldplug All udev Devices... Starting [0;1;39mColdplug All udev Devices[0m... [ 11.031489] systemd[1]: Mounted Huge Pages File System. [[0;32m OK [0m] Mounted [0;1;39mHuge Pages File System[0m. [ 11.046844] systemd[1]: Mounted POSIX Message Queue File System. [[0;32m OK [0m] Mounted [0;1;39mPOSIX Message Queue File System[0m. [ 11.062812] systemd[1]: Mounted Kernel Debug File System. [[0;32m OK [0m] Mounted [0;1;39mKernel Debug File System[0m. [ 11.077781] systemd[1]: Mounted Kernel Trace File System. [[0;32m OK [0m] Mounted [0;1;39mKernel Trace File System[0m. [ 11.093929] 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. [ 11.116519] systemd[1]: modprobe@configfs.service: Succeeded. [ 11.123761] systemd[1]: Finished Load Kernel Module configfs. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module configfs[0m. [ 11.140589] systemd[1]: modprobe@drm.service: Succeeded. [ 11.147326] systemd[1]: Finished Load Kernel Module drm. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module drm[0m. [ 11.163575] systemd[1]: modprobe@fuse.service: Succeeded. [ 11.170479] systemd[1]: Finished Load Kernel Module fuse. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module fuse[0m. [ 11.187442] systemd[1]: Finished Load Kernel Modules. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Modules[0m. [ 11.201921] systemd[1]: Started Journal Service. [[0;32m OK [0m] Started [0;1;39mJournal Service[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... [ 11.284810] systemd-journald[199]: 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. Starting [0;1;39mCreate Static Device Nodes in /dev[0m... [[0;32m OK [0m] Finished [0;1;39mFlush Journal to Persistent Storage[0m. [ 12.792553] systemd-tmpfile (210) 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;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] Reached target [0;1;39mSystem Initialization[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] Started [0;1;39mDaily Cleanup of Temporary Directories[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] 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 Service[0m. Starting [0;1;39mNetwork Name Resolution[0m... [[0;32m OK [0m] Started [0;1;39mUser Login Management[0m. [[0;32m OK [0m] Finished [0;1;39mRemove Stale Onli…ext4 Metadata Check Snapshots[0m. [[0;32m OK [0m] Finished [0;1;39mLoad/Save Screen … of backlight:intel_backlight[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 5.10.136-cip14 #1 SMP Tue Aug 23 03:50:51 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/7096238/extract-nfsrootfs-m8b2u_4r' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/7096238/extract-nfsrootfs-m8b2u_4r' / # 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-7096238/environment . /lava-7096238/environment / # /lava-7096238/bin/lava-test-runner /lava-7096238/0 /lava-7096238/bin/lava-test-runner /lava-7096238/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-7096238/0/tests/0_timesync-off ++ cat uuid + UUID=7096238_1.5.2.3.1 + set +x + systemctl stop systemd-timesyncd Failed to stop systemd-timesyncd.service: Unit systemd-timesyncd.service not loaded. + true + set +x + export TESTRUN_ID=1_kselftest-lkdtm + TESTRUN_ID=1_kselftest-lkdtm + cd /lava-7096238/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=7096238_1.5.2.3.5 + set +x + cd ./automated/linux/kselftest/ + ./kselftest.sh -c lkdtm -T '' -t kselftest_armhf.tar.gz -s false -u http://storage.kernelci.org/cip/linux-5.10.y-cip/v5.10.136-cip14/x86_64/x86_64_defconfig+x86-chromebook+kselftest/gcc-10/kselftest.tar.xz -L '' -S skipfile-lkft.yaml -b asus-C433TA-AJ0005-rammus -g cip -e '' -p /opt/kselftests/mainline/ INFO: Generating a skipfile based on /lava-7096238/0/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. --2022-08-23 03:54:47-- http://storage.kernelci.org/cip/linux-5.10.y-cip/v5.10.136-cip14/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: 3511752 (3.3M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 1%[ ] 47.81K 173KB/s kselftest.tar.xz 6%[> ] 214.67K 386KB/s kselftest.tar.xz 25%[====> ] 883.52K 1.11MB/s kselftest.tar.xz 39%[======> ] 1.33M 1.29MB/s kselftest.tar.xz 94%[=================> ] 3.16M 2.29MB/s kselftest.tar.xz 100%[===================>] 3.35M 2.18MB/s in 1.5s 2022-08-23 03:54:50 (2.18 MB/s) - 'kselftest.tar.xz' saved [3511752/3511752] tar: ./user: time stamp 2022-08-23 03:55:57 is 66.913086069 s in the future tar: ./efivarfs/open-unlink: time stamp 2022-08-23 03:55:33 is 42.908356597 s in the future tar: ./efivarfs/create-read: time stamp 2022-08-23 03:55:33 is 42.90457808 s in the future tar: ./efivarfs: time stamp 2022-08-23 03:55:53 is 62.90077911 s in the future tar: ./openat2/rename_attack_test: time stamp 2022-08-23 03:55:46 is 55.888497653 s in the future tar: ./openat2/openat2_test: time stamp 2022-08-23 03:55:46 is 55.873131249 s in the future tar: ./openat2/resolve_test: time stamp 2022-08-23 03:55:46 is 55.850014907 s in the future tar: ./openat2: time stamp 2022-08-23 03:55:56 is 65.848442925 s in the future tar: ./core/close_range_test: time stamp 2022-08-23 03:55:33 is 42.839268783 s in the future tar: ./core: time stamp 2022-08-23 03:55:53 is 62.837641543 s in the future tar: ./lib: time stamp 2022-08-23 03:55:54 is 63.823576535 s in the future tar: ./cpufreq: time stamp 2022-08-23 03:55:53 is 62.802039681 s in the future tar: ./filesystems/binderfs/binderfs_test: time stamp 2022-08-23 03:55:53 is 62.792170557 s in the future tar: ./filesystems/binderfs: time stamp 2022-08-23 03:55:53 is 62.790801653 s in the future tar: ./filesystems/dnotify_test: time stamp 2022-08-23 03:55:33 is 42.786380403 s in the future tar: ./filesystems/epoll/epoll_wakeup_test: time stamp 2022-08-23 03:55:34 is 43.754012976 s in the future tar: ./filesystems/epoll: time stamp 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stamp 2022-08-23 03:55:33 is 35.283387368 s in the future tar: ./exec/load_address_2097152: time stamp 2022-08-23 03:55:33 is 34.867251265 s in the future tar: ./exec/script: time stamp 2022-08-23 03:55:33 is 34.86420185 s in the future tar: ./exec/non-regular: time stamp 2022-08-23 03:55:33 is 34.857829342 s in the future tar: ./exec/load_address_4096: time stamp 2022-08-23 03:55:33 is 34.779204385 s in the future tar: ./exec/subdir: time stamp 2022-08-23 03:55:33 is 34.777349102 s in the future tar: ./exec: time stamp 2022-08-23 03:55:53 is 54.775902193 s in the future tar: ./size/get_size: time stamp 2022-08-23 03:55:48 is 49.770728707 s in the future tar: ./size: time stamp 2022-08-23 03:55:56 is 57.76944298 s in the future tar: ./mqueue/mq_perf_tests: time stamp 2022-08-23 03:55:40 is 41.762047873 s in the future tar: ./mqueue/mq_open_tests: time stamp 2022-08-23 03:55:40 is 41.756401578 s in the future tar: ./mqueue: time stamp 2022-08-23 03:55:55 is 56.755023366 s in the future tar: ./capabilities/validate_cap: time stamp 2022-08-23 03:55:33 is 34.748618196 s in the future tar: ./capabilities/test_execve: time stamp 2022-08-23 03:55:33 is 34.741445623 s in the future tar: ./capabilities: time stamp 2022-08-23 03:55:52 is 53.740140736 s in the future tar: ./clone3/clone3_set_tid: time stamp 2022-08-23 03:55:33 is 34.733348696 s in the future tar: ./clone3/clone3_clear_sighand: time stamp 2022-08-23 03:55:33 is 34.728139532 s in the future tar: ./clone3/clone3: time stamp 2022-08-23 03:55:33 is 34.72293441 s in the future tar: ./clone3/clone3_cap_checkpoint_restore: time stamp 2022-08-23 03:55:33 is 34.716155458 s in the future tar: ./clone3: time stamp 2022-08-23 03:55:53 is 54.714898209 s in the future tar: ./pidfd/pidfd_getfd_test: time stamp 2022-08-23 03:55:45 is 46.705745489 s in the future tar: ./pidfd/pidfd_test: time stamp 2022-08-23 03:55:45 is 46.69918301 s in the future tar: ./pidfd/pidfd_fdinfo_test: time stamp 2022-08-23 03:55:45 is 46.693534064 s in the future tar: ./pidfd/pidfd_wait: time stamp 2022-08-23 03:55:45 is 46.684542543 s in the future tar: ./pidfd/pidfd_poll_test: time stamp 2022-08-23 03:55:45 is 46.679562337 s in the future tar: ./pidfd/pidfd_setns_test: time stamp 2022-08-23 03:55:45 is 46.66814643 s in the future tar: ./pidfd/pidfd_open_test: time stamp 2022-08-23 03:55:45 is 46.662568304 s in the future tar: ./pidfd: time stamp 2022-08-23 03:55:55 is 56.661070069 s in the future tar: ./kselftest-list.txt: time stamp 2022-08-23 03:55:58 is 59.65708313 s in the future tar: ./ptrace/peeksiginfo: time stamp 2022-08-23 03:55:45 is 46.650622017 s in the future tar: ./ptrace/get_syscall_info: time stamp 2022-08-23 03:55:45 is 46.644034739 s in the future tar: ./ptrace/vmaccess: time stamp 2022-08-23 03:55:45 is 46.638173603 s in the future tar: ./ptrace: time stamp 2022-08-23 03:55:56 is 57.636775186 s in the future tar: ./kselftest/prefix.pl: time stamp 2022-08-23 03:55:50 is 51.632222999 s in the future tar: ./kselftest/runner.sh: time stamp 2022-08-23 03:55:50 is 51.628947303 s in the future tar: ./kselftest/module.sh: time stamp 2022-08-23 03:55:50 is 51.626179651 s in the future tar: ./kselftest: time stamp 2022-08-23 03:55:50 is 51.624803539 s in the future tar: ./tpm2: time stamp 2022-08-23 03:55:57 is 58.608472325 s in the future tar: .: time stamp 2022-08-23 03:55:58 is 59.606911892 s in the future 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 ======================================== [ 46.943140] kselftest: Running tests in lkdtm TAP version 13 1..70 # selftests: lkdtm: PANIC.sh # Skipping PANIC: crashes entire system ok 1 selftests: lkdtm: PANIC.sh # SKIP # selftests: lkdtm: BUG.sh [ 47.186213] lkdtm: Performing direct entry BUG [ 47.191272] ------------[ cut here ]------------ [ 47.196461] kernel BUG at drivers/misc/lkdtm/bugs.c:76! [ 47.202556] invalid opcode: 0000 [#1] SMP PTI [ 47.207422] CPU: 0 PID: 727 Comm: cat Tainted: G W 5.10.136-cip14 #1 [ 47.215977] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 47.222778] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 47.227154] Code: 89 ff e8 de bc 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 80 03 74 02 [ 47.248142] RSP: 0018:ffffa7b4c14afe60 EFLAGS: 00010286 [ 47.253978] RAX: ffffffff840de190 RBX: 0000000000000001 RCX: 0000000000000000 [ 47.261948] RDX: 0000000000000000 RSI: ffff8f0b3ac1bf70 RDI: ffffffff84cd9d30 [ 47.269920] RBP: ffffffff85123c60 R08: 0000000000000001 R09: 0000000000000001 [ 47.277881] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 47.285852] R13: ffffa7b4c14aff10 R14: ffffa7b4c14aff10 R15: ffff8f0ac408f000 [ 47.293823] FS: 00007f3d7675f580(0000) GS:ffff8f0b3ac00000(0000) knlGS:0000000000000000 [ 47.302855] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.309273] CR2: 00007f3d76578000 CR3: 000000010357a001 CR4: 00000000003706f0 [ 47.317246] Call Trace: [ 47.319965] direct_entry.cold+0x2c/0x38 [ 47.324347] full_proxy_write+0x53/0x80 [ 47.328627] vfs_write+0xe7/0x3a0 [ 47.332332] ksys_write+0x68/0xf0 [ 47.336033] do_syscall_64+0x30/0x40 [ 47.340029] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 47.345670] RIP: 0033:0x7f3d76687f33 [ 47.349660] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 47.370649] RSP: 002b:00007ffd48189e58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 47.379108] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f3d76687f33 [ 47.387070] RDX: 0000000000000004 RSI: 00007f3d76578000 RDI: 0000000000000001 [ 47.395042] RBP: 00007f3d76578000 R08: 00007f3d76577010 R09: 0000000000000000 [ 47.403013] R10: 00007f3d767821c0 R11: 0000000000000246 R12: 0000000000000001 [ 47.410975] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 47.418951] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 47.445428] ---[ end trace e2f66c91d8f90f54 ]--- [ 47.450600] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 47.455049] Code: 89 ff e8 de bc 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 80 03 74 02 [ 47.476131] RSP: 0018:ffffa7b4c14afe60 EFLAGS: 00010286 [ 47.482021] RAX: ffffffff840de190 RBX: 0000000000000001 RCX: 0000000000000000 [ 47.490007] RDX: 0000000000000000 RSI: ffff8f0b3ac1bf70 RDI: ffffffff84cd9d30 [ 47.498008] RBP: ffffffff85123c60 R08: 0000000000000001 R09: 0000000000000001 [ 47.506001] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 47.514004] R13: ffffa7b4c14aff10 R14: ffffa7b4c14aff10 R15: ffff8f0ac408f000 [ 47.521987] FS: 00007f3d7675f580(0000) GS:ffff8f0b3ac00000(0000) knlGS:0000000000000000 [ 47.531058] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.537509] CR2: 00007f3d76578000 CR3: 000000010357a001 CR4: 00000000003706f0 # Segmentation fault # [ 47.186213] lkdtm: Performing direct entry BUG # [ 47.191272] ------------[ cut here ]------------ # [ 47.196461] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 47.202556] invalid opcode: 0000 [#1] SMP PTI # [ 47.207422] CPU: 0 PID: 727 Comm: cat Tainted: G W 5.10.136-cip14 #1 # [ 47.215977] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 47.222778] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 47.227154] Code: 89 ff e8 de bc 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 80 03 74 02 # [ 47.248142] RSP: 0018:ffffa7b4c14afe60 EFLAGS: 00010286 # [ 47.253978] RAX: ffffffff840de190 RBX: 0000000000000001 RCX: 0000000000000000 # [ 47.261948] RDX: 0000000000000000 RSI: ffff8f0b3ac1bf70 RDI: ffffffff84cd9d30 [ 47.645082] lkdtm: Performing direct entry WARNING # [ 47.269920] RBP: ffffffff85123c60 R08: 0000000000000001 R09[ 47.652790] ------------[ cut here ]------------ : 0000000000000001 # [ 47.277881] R10: 00000000ffffe000 R11: [ 47.664155] WARNING: CPU: 0 PID: 763 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 3fffffffffffffff R12: 0000000000000004 # [ 47.285852] R13: ff[ 47.679829] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify ffa7b4c14aff10 R14: ffffa7b4c14aff10 R15: ffff8f0ac408f000 # [ [ 47.712516] CPU: 0 PID: 763 Comm: cat Tainted: G D W 5.10.136-cip14 #1 47.293823] FS: 00007f3d7675f580(0000) GS:ffff8f0b3ac00000(000[ 47.727272] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 0) knlGS:0000000000000000 # [ 47.302855] CS: 0010 DS: 0000 E[ 47.740327] RIP: 0010:lkdtm_WARNING+0x13/0x20 S: 0000 CR0: 0000000080050033 # [ 47.309273] CR2: 00007f3d765[ 47.751393] 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 80 03 74 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 61 03 78000 CR3: 000000010357a001 CR4: 00000000003706f0 # [ 47.3172[ 47.778634] RSP: 0018:ffffa7b4c1537e60 EFLAGS: 00010202 46] Call Trace: # [ 47.319965] direct_entry.cold+0x2c/0x38 [ 47.790742] RAX: ffffffff840de1a0 RBX: 0000000000000002 RCX: 0000000000000000 # [ 47.324347] full_proxy_write+0x53/0x80 # [ 47.328627] [ 47.804898] RDX: 0000000000000000 RSI: ffff8f0b3ac1bf70 RDI: ffffffff84cd9d40 vfs_write+0xe7/0x3a0 # [ 47.332332] ksys_write+0x68/0xf0 # [ 47.819149] RBP: ffffffff850c875f R08: 0000000000000000 R09: 0000000000000000 [ 47.336033] do_syscall_64+0x30/0x40 # [ 47.340029] entry[ 47.833383] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 _SYSCALL_64_after_hwframe+0x61/0xc6 # [ 47.345670] RIP: 0033:[ 47.847557] R13: ffffa7b4c1537f10 R14: ffffa7b4c1537f10 R15: ffff8f0ac5024000 0x7f3d76687f33 # [ 47.349660] Code: 8b 15 61 ef 0c 00 f7 d8 6[ 47.861710] FS: 00007f010a128580(0000) GS:ffff8f0b3ac00000(0000) knlGS:0000000000000000 4 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00[ 47.877005] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c[ 47.889630] CR2: 00007f0109f41000 CR3: 000000010641a004 CR4: 00000000003706f0 3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 47.370649] RSP: [ 47.903839] Call Trace: 002b:00007ffd48189e58 EFLAGS: 00000246 ORIG_RAX: 000000000000000[ 47.912769] direct_entry.cold+0x2c/0x38 1 # [ 47.379108] RAX: ffffffffffffffda RBX: 0000000000000004 [ 47.923372] full_proxy_write+0x53/0x80 RCX: 00007f3d76687f33 # [ 47.387070] RDX: 0000000000000004 RS[ 47.933817] vfs_write+0xe7/0x3a0 I: 00007f3d76578000 RDI: 0000000000000001 # [ 47.395042] RBP:[ 47.943742] ksys_write+0x68/0xf0 00007f3d76578000 R08: 00007f3d76577010 R09: 0000000000000000 #[ 47.953653] do_syscall_64+0x30/0x40 [ 47.403013] R10: 00007f3d767821c0 R11: 0000000000000246 R12:[ 47.963862] entry_SYSCALL_64_after_hwframe+0x61/0xc6 0000000000000001 # [ 47.410975] R13: 0000000000000001 R14: 0[ 47.975726] RIP: 0033:0x7f010a050f33 000000000020000 R15: 0000000000020000 # [ 47.418951] Modules [ 47.985942] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core i[ 48.013149] RSP: 002b:00007ffcf00b6398 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 ndustrialio_triggered_buffer kfifo_buf industrialio cros_ec_debu[ 48.027830] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f010a050f33 gfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_senso[ 48.042019] RDX: 0000000000000008 RSI: 00007f0109f41000 RDI: 0000000000000001 rhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 4[ 48.056228] RBP: 00007f0109f41000 R08: 00007f0109f40010 R09: 0000000000000000 7.445428] ---[ end trace e2f66c91d8f90f54 ]--- # [ 47.450600][ 48.070413] R10: 00007f010a14b1c0 R11: 0000000000000246 R12: 0000000000000001 RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 47.455049] Code: 89 ff e8 d[ 48.084622] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 e bc a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc[ 48.098805] irq event stamp: 0 cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0[ 48.108467] hardirqs last enabled at (0): [<0000000000000000>] 0x0 f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 03 74 02 # [ 4[ 48.121676] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 7.476131] RSP: 0018:ffffa7b4c14afe60 EFLAGS: 00010286 # [ 47.[ 48.137039] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 482021] RAX: ffffffff840de190 RBX: 0000000000000001 RCX: 0000000[ 48.152393] softirqs last disabled at (0): [<0000000000000000>] 0x0 000000000 # [ 47.490007] RDX: 0000000000000000 RSI: ffff8f0b3[ 48.165608] ---[ end trace e2f66c91d8f90f55 ]--- ac1bf70 RDI: ffffffff84cd9d30 # [ 47.498008] RBP: ffffffff85123c60 R08: 0000000000000001 R09: 0000000000000001 # [ 47.506001] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 47.514004] R13: ffffa7b4c14aff10 R14: ffffa7b4c14aff10 R15: ffff8f0ac408f000 # [ 47.521987] FS: 00007f3d7675f580(0000) GS:ffff8f0b3ac00000(0000) knlGS:0000000000000000 # [ 47.531058] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 47.537509] CR2: 00007f3d76578000 CR3: 000000010357a001 CR4: 00000000003706f0 # BUG: saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh # [ 47.645082] lkdtm: Performing direct entry WARNING # [ 47.652790] ------------[ cut here ]------------ # [ 47.664155] WARNING: CPU: 0 PID: 763 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 # [ 47.679829] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_d[ 48.277917] lkdtm: Performing direct entry WARNING_MESSAGE [ 48.288749] ------------[ cut here ]------------ [ 48.293919] Warning message trigger count: 2 [ 48.298707] WARNING: CPU: 3 PID: 798 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 ev cros_usbpd_notify # [ 47.712516] CPU: 0 PID: 763 Comm: cat[ 48.308925] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 48.341612] CPU: 3 PID: 798 Comm: cat Tainted: G D W 5.10.136-cip14 #1 [ 48.350200] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 48.357011] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 [ 48.362684] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 61 03 74 02 48 c7 c7 c0 8c 0c 85 8d 70 01 89 35 51 03 74 02 e8 28 16 66 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 [ 48.383677] RSP: 0018:ffffa7b4c15a7e60 EFLAGS: 00010286 [ 48.389529] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 48.397538] RDX: ffff8f0b3adac660 RSI: ffff8f0b3ad9bf70 RDI: ffff8f0b3ad9bf70 [ 48.405529] RBP: ffffffff850c8767 R08: 0000000000000000 R09: 0000000000000000 [ 48.413537] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 [ 48.421524] R13: ffffa7b4c15a7f10 R14: ffffa7b4c15a7f10 R15: ffff8f0ac297d000 [ 48.429534] FS: 00007efc901ea580(0000) GS:ffff8f0b3ad80000(0000) knlGS:0000000000000000 [ 48.438577] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Tainted: G D W 5.10.136-cip14 #1 # [ 47.727272][ 48.444999] CR2: 00007efc90003000 CR3: 0000000103208005 CR4: 00000000003706e0 Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 47[ 48.459190] Call Trace: .740327] RIP: 0010:lkdtm_WARNING+0x13/0x20 # [ 47.751393] Cod[ 48.468139] direct_entry.cold+0x2c/0x38 [ 48.478757] full_proxy_write+0x53/0x80 e: c0 f4 ff ff ff eb c9 0f 1f 44 00 00 0f 0b 66 0f 1f 84 00 00 0[ 48.483050] vfs_write+0xe7/0x3a0 [ 48.492960] ksys_write+0x68/0xf0 [ 48.496663] do_syscall_64+0x30/0x40 [ 48.500678] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 48.506319] RIP: 0033:0x7efc90112f33 [ 48.510311] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 48.531324] RSP: 002b:00007fff45039358 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 0 00 00 0f 1f 44 00 00 83 05 80 03 74 02 01 75 05 c3 cc cc cc cc[ 48.539793] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007efc90112f33 [ 48.553976] RDX: 0000000000000010 RSI: 00007efc90003000 RDI: 0000000000000001 [ 48.561949] RBP: 00007efc90003000 R08: 00007efc90002010 R09: 0000000000000000 [ 48.569924] R10: 00007efc9020d1c0 R11: 0000000000000246 R12: 0000000000000001 [ 48.577897] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 48.585873] irq event stamp: 0 [ 48.589303] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 48.596307] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 48.605444] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 48.614609] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 48.621611] ---[ end trace e2f66c91d8f90f56 ]--- <0f> 0b c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 61 03 # [ 47.778634] RSP: 0018:ffffa7b4c1537e60 EFLAGS: 00010202 # [ 47.790742] RAX: ffffffff840de1a0 RBX: 0000000000000002 RCX: 0000000000000000 # [ 47.804898] RDX: 0000000000000000 RSI: ffff8f0b3ac1bf70 RDI: ffffffff84cd9d40 # [ 47.819149] RBP: ffffffff850c875f R08: 0000000000000000 R09: 0000000000000000 # [ 47.833383] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 # [ 47.847557] R13: ffffa7b4c1537f10 R14: ffffa7b4c1537f10 R15: ffff8f0ac5024000 # [ 47.861710] FS: 00007f010a128580(0000) GS:ffff8f0b3ac00000(0000) knlGS:0000000000000000 # [ 47.877005] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 47.889630] CR2: 00007f0109f41000 CR3: 000000010641a004 CR4: 00000000003706f0 # [ 47.903839] Call Trace: # [ 47.912769] direct_entry.cold+0x2c/0x38 # [ 47.923372] full_proxy_write+0x53/0x80 # [ 47.933817] vfs_write+0xe7/0x3a0 # [ 47.943742] ksys_write+0x68/0xf0 # [ 47.953653] do_s[ 48.720111] lkdtm: Performing direct entry EXCEPTION yscall_64+0x30/0x40 # [ 47.963862] entry_SYSCALL_64_after_hw[ 48.731910] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 48.745879] #PF: supervisor write access in kernel mode [ 48.751713] #PF: error_code(0x0002) - not-present page [ 48.757451] PGD 0 P4D 0 [ 48.760275] Oops: 0002 [#2] SMP PTI [ 48.764168] CPU: 1 PID: 830 Comm: cat Tainted: G D W 5.10.136-cip14 #1 [ 48.772723] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 frame+0x61/0xc6 # [ 47.975726] RIP: 0033:0x7f010a050f33 # [ [ 48.779536] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 [ 48.790707] Code: 48 c7 c7 c0 8c 0c 85 8d 70 01 89 35 51 03 74 02 e8 28 16 66 00 0f 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 04 25 00 00 00 00 00 00 00 00 c3 cc cc cc cc 66 66 2e 0f 1f 84 [ 48.811695] RSP: 0018:ffffa7b4c166fe60 EFLAGS: 00010286 [ 48.817528] RAX: ffffffff840de1f0 RBX: 0000000000000004 RCX: 0000000000000000 [ 48.825499] RDX: 0000000000000000 RSI: ffff8f0b3ac9bf70 RDI: ffffffff84cd9d60 [ 48.833479] RBP: ffffffff84ffdcff R08: 0000000000000000 R09: 0000000000000000 [ 48.841441] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 48.849412] R13: ffffa7b4c166ff10 R14: ffffa7b4c166ff10 R15: ffff8f0ac3538000 [ 48.857383] FS: 00007fc7338ec580(0000) GS:ffff8f0b3ac80000(0000) knlGS:0000000000000000 [ 48.866423] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.872833] CR2: 0000000000000000 CR3: 0000000103430003 CR4: 00000000003706e0 [ 48.880802] Call Trace: [ 48.883532] direct_entry.cold+0x2c/0x38 47.985942] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff [ 48.887914] full_proxy_write+0x53/0x80 [ 48.898408] vfs_write+0xe7/0x3a0 ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 0[ 48.902108] ksys_write+0x68/0xf0 [ 48.912023] do_syscall_64+0x30/0x40 1 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 [ 48.916014] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 48.927869] RIP: 0033:0x7fc733814f33 [ 48.931859] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 48.952836] RSP: 002b:00007ffef07cc2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 48.961294] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fc733814f33 [ 48.969266] RDX: 000000000000000a RSI: 00007fc733705000 RDI: 0000000000000001 [ 48.977239] RBP: 00007fc733705000 R08: 00007fc733704010 R09: 0000000000000000 [ 48.985209] R10: 00007fc73390f1c0 R11: 0000000000000246 R12: 0000000000000001 [ 48.993179] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ec 28 48 89 54 24 18 # [ 48.013149] RSP: 002b:00007ffcf00b639[ 49.001155] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 49.033800] CR2: 0000000000000000 [ 49.037499] ---[ end trace e2f66c91d8f90f57 ]--- [ 49.042655] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 49.047032] Code: 89 ff e8 de bc 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 80 03 74 02 [ 49.068018] RSP: 0018:ffffa7b4c14afe60 EFLAGS: 00010286 [ 49.073852] RAX: ffffffff840de190 RBX: 0000000000000001 RCX: 0000000000000000 [ 49.081824] RDX: 0000000000000000 RSI: ffff8f0b3ac1bf70 RDI: ffffffff84cd9d30 [ 49.089784] RBP: ffffffff85123c60 R08: 0000000000000001 R09: 0000000000000001 [ 49.097754] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 49.105725] R13: ffffa7b4c14aff10 R14: ffffa7b4c14aff10 R15: ffff8f0ac408f000 [ 49.113694] FS: 00007fc7338ec580(0000) GS:ffff8f0b3ac80000(0000) knlGS:0000000000000000 [ 49.122731] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.129147] CR2: 0000000000000000 CR3: 0000000103430003 CR4: 00000000003706e0 [ 49.137119] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 49.147032] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 830, name: cat [ 49.155392] INFO: lockdep is turned off. [ 49.159769] irq event stamp: 0 [ 49.163173] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 49.170173] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 49.179302] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 49.188438] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 49.195440] CPU: 1 PID: 830 Comm: cat Tainted: G D W 5.10.136-cip14 #1 [ 49.203985] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 49.210790] Call Trace: [ 49.213531] dump_stack+0x77/0x9b [ 49.217229] ___might_sleep.cold+0xa6/0xb6 [ 49.221804] exit_signals+0x1c/0x2e0 [ 49.225794] do_exit+0xd5/0xb00 [ 49.229297] ? ksys_write+0x68/0xf0 [ 49.233192] rewind_stack_do_exit+0x17/0x20 8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 48.027830] [ 49.237861] RIP: 0033:0x7fc733814f33 [ 49.248064] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 49.269051] RSP: 002b:00007ffef07cc2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 49.277500] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fc733814f33 [ 49.285480] RDX: 000000000000000a RSI: 00007fc733705000 RDI: 0000000000000001 [ 49.293450] RBP: 00007fc733705000 R08: 00007fc733704010 R09: 0000000000000000 [ 49.301419] R10: 00007fc73390f1c0 R11: 0000000000000246 R12: 0000000000000001 [ 49.309389] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f010a050f33 # [ 48.042019] RDX: 0000000000000008 RSI: 00007f0109f41000 RDI: 0000000000000001 # [ 48.056228] RBP: 00007f0109f41000 R08: 00007f0109f40010 R09: 0000000000000000 # [ 48.070413] R10: 00007f010a14b1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 48.084622] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 48.098805] irq event stamp: 0 # [ 48.108467] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 48.121676] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 48.137039] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 48.152393] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 48.165608] ---[ end trace e2f66c91d8f90f55 ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ 48.277917] lkdtm: Performing direct entry WARNING_MESSAGE # [ 48.288749] ------------[ cut here ]------------ # [ 48.293919] Warning message trigger count: 2 # [ 48.298707] WARNING: CPU: 3 PID: 798 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 48.308925] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 48.341612] CPU: 3 PID: 798 Comm: cat Tainted: G D W 5.10.136-cip14 #1 # [ 48.350200] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 48.357011] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 48.362684] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 61 03 74 02 48 c7 c7 c0 8c 0c 85 8d 70 01 89 35 51 03 74 02 e8 28 16 66 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 # [ 48.383677] RSP: 0018:ffffa7b4c15a7e60 EFLAGS: 00010286 # [ 48.389529] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 # [ 48.397538] RDX: ffff8f0b3adac660 RSI: ffff8f0b3ad9bf70 RDI: ffff8f0b3ad9bf70 # [ 48.405529] RBP: ffffffff850c8767 R08: 0000000000000000 R09: 0000000000000000 # [ 48.413537] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 # [ 48.421524] R13: ffffa7b4c15a7f10 R14: ffffa7b4c15a7f10 R15: ffff8f0ac297d000 # [ 48.429534] FS: 00007efc901ea580(0000) GS:ffff8f0b3ad80000(0000) knlGS:0000000000000000 # [ 48.438577] CS: 0010 DS: 0000 ES: 0000 CR0: [ 49.560175] lkdtm: Performing direct entry CORRUPT_LIST_ADD 0000000080050033 # [ 48.444999] CR2: 00007efc90003000 CR3: 00[ 49.572246] lkdtm: attempting good list addition 00000103208005 CR4: 00000000003706e0 # [ 48.459190] Call Trac[ 49.583620] lkdtm: attempting corrupted list addition e: # [ 48.468139] direct_entry.cold+0x2c/0x38 # [ 48.4787[ 49.595479] lkdtm: list_add() corruption not detected! 57] full_proxy_write+0x53/0x80 # [ 48.483050] vfs_write+0xe7/0x3a0 # [ 48.492960] ksys_write+0x68/0xf0 # [ 48.496663] do_syscall_64+0x30/0x40 # [ 48.500678] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 48.506319] RIP: 0033:0x7efc90112f33 # [ 48.510311] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 48.531324] RSP: 002b:00007fff45039358 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 48.539793] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007efc90112f33 # [ 48.553976] RDX: 0000000000000010 RSI: 00007efc90003000 RDI: 0000000000000001 # [ 48.561949] RBP: 00007efc90003000 R08: 00007efc90002010 R09: 0000000000000000 # [ 48.569924] R10: 00007efc9020d1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 48.577897] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 48.585873] irq event stamp: 0 # [ 48.589303] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 48.596307] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 48.605444] softir[ 49.737630] lkdtm: Performing direct entry CORRUPT_LIST_DEL [ 49.747636] lkdtm: attempting good list removal [ 49.752717] lkdtm: attempting corrupted list removal [ 49.758277] lkdtm: list_del() corruption not detected! qs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 48.614609] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 48.621611] ---[ end trace e2f66c91d8f90f56 ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCEPTION.sh # Killed # [ 48.720111] lkdtm: Performing direct entry EXCEPTION # [ 48.731910] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 48.745879] #PF: supervisor write access in kernel mode # [ 48.751713] #PF: error_code(0x0002) - not-present page # [ 48.757451] PGD 0 P4D 0 # [ 48.760275] Oops: 0002 [#2] SMP PTI # [ 48.764168] CPU: 1 PID: 830 Comm: cat Tainted: G D W 5.10.136-cip14 #1 # [ 48.772723] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 48.779536] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 # [ 48.790707] Code: 48 c7 c7 c0 8c 0c 85 8d 70 01 89 35 51 03 74 02 e8 28 16 66 00 0f 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 04 25 00 00 00 00 00 00 00 00 c3 cc cc cc cc 66 66 2e 0f 1f 84 # [ 48.811695] RSP: 0018:ffffa7b4c166fe60 EFLAGS: 00010286 # [ 48.817528] RAX: ffffffff840de1f0 RBX: 00000[ 49.876249] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING [ 49.889245] lkdtm: attempting bad read from page below current stack [ 49.896383] BUG: stack guard page was hit at 00000000ae3aacc9 (stack is 0000000089adafeb..00000000de893d0c) 00[000000004 RCX: 0000000000000000 # [ 48.825499] RDX: 0000000 49.907281] kernel stack overflow (page fault): 0000 [#3] SMP PTI [ 49.920305] CPU: 3 PID: 1055 Comm: cat Tainted: G D W 5.10.136-cip14 #1 [ 49.928956] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 49.935764] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a [ 49.942279] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 60 90 0c 85 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 df a0 fd ff 48 c7 c7 a0 90 0c 85 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 c5 a0 fd ff 0f 1f 44 [ 49.963257] RSP: 0018:ffffa7b4c19b7e50 EFLAGS: 00010246 [ 49.969092] RAX: 0000000000000038 RBX: ffffa7b4c19b4000 RCX: 0000000000000000 [ 49.977064] RDX: 0000000000000000 RSI: ffff8f0b3ad9bf70 RDI: ffffffff850c90a0 [ 49.985034] RBP: ffffffff850c87ca R08: 0000000000000000 R09: 0000000000000000 [ 49.993004] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 [ 50.000974] R13: ffffa7b4c19b7f10 R14: ffffa7b4c19b7f10 R15: ffff8f0ac35c1000 [ 50.008946] FS: 00007fd087a11580(0000) GS:ffff8f0b3ad80000(0000) knlGS:0000000000000000 [ 50.017976] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.024392] CR2: ffffa7b4c19b3fff CR3: 00000001032dc003 CR4: 00000000003706e0 [ 50.032363] Call Trace: [ 50.035090] ? lkdtm_CORRUPT_LIST_DEL+0xe0/0xe0 [ 50.040147] direct_entry.cold+0x2c/0x38 [ 50.044531] full_proxy_write+0x53/0x80 [ 50.048814] vfs_write+0xe7/0x3a0 [ 50.052529] ksys_write+0x68/0xf0 [ 50.056228] do_syscall_64+0x30/0x40 [ 50.060219] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 50.065859] RIP: 0033:0x7fd087939f33 [ 50.069847] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 50.090834] RSP: 002b:00007ffcfb9a8f58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 50.099291] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fd087939f33 [ 50.107260] RDX: 0000000000000019 RSI: 00007fd08782a000 RDI: 0000000000000001 [ 50.115230] RBP: 00007fd08782a000 R08: 00007fd087829010 R09: 0000000000000000 [ 50.123200] R10: 00007fd087a341c0 R11: 0000000000000246 R12: 0000000000000001 [ 50.131172] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 50.139146] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 50.165618] ---[ end trace e2f66c91d8f90f58 ]--- [ 50.170763] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 50.175141] Code: 89 ff e8 de bc 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 80 03 74 02 [ 50.196127] RSP: 0018:ffffa7b4c14afe60 EFLAGS: 00010286 [ 50.201961] RAX: ffffffff840de190 RBX: 0000000000000001 RCX: 0000000000000000 [ 50.209931] RDX: 0000000000000000 RSI: ffff8f0b3ac1bf70 RDI: ffffffff84cd9d30 [ 50.217901] RBP: ffffffff85123c60 R08: 0000000000000001 R09: 0000000000000001 [ 50.225871] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 50.233840] R13: ffffa7b4c14aff10 R14: ffffa7b4c14aff10 R15: ffff8f0ac408f000 [ 50.241812] FS: 00007fd087a11580(0000) GS:ffff8f0b3ad80000(0000) knlGS:0000000000000000 [ 50.250841] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.257255] CR2: ffffa7b4c19b3fff CR3: 00000001032dc003 CR4: 00000000003706e0 [ 50.265226] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 50.275140] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1055, name: cat [ 50.283597] INFO: lockdep is turned off. [ 50.287973] irq event stamp: 0 [ 50.291379] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 50.298379] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 50.307532] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 50.316668] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 50.323667] CPU: 3 PID: 1055 Comm: cat Tainted: G D W 5.10.136-cip14 #1 [ 50.332318] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 50.339122] Call Trace: [ 50.341850] dump_stack+0x77/0x9b [ 50.345549] ___might_sleep.cold+0xa6/0xb6 [ 50.350122] exit_signals+0x1c/0x2e0 [ 50.354104] do_exit+0xd5/0xb00 [ 50.357598] ? ksys_write+0x68/0xf0 [ 50.361493] rewind_stack_do_exit+0x17/0x20 [ 50.366162] RIP: 0033:0x7fd087939f33 [ 50.370150] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 50.391137] RSP: 002b:00007ffcfb9a8f58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 50.399594] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fd087939f33 [ 50.407564] RDX: 0000000000000019 RSI: 00007fd08782a000 RDI: 0000000000000001 [ 50.415536] RBP: 00007fd08782a000 R08: 00007fd087829010 R09: 0000000000000000 [ 50.423508] R10: 00007fd087a341c0 R11: 0000000000000246 R12: 0000000000000001 [ 50.431478] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 000000000 RSI: ffff8f0b3ac9bf70 RDI: ffffffff84cd9d60 # [ 48.833479] RBP: ffffffff84ffdcff R08: 0000000000000000 R09: 0000000000000000 # [ 48.841441] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 48.849412] R13: ffffa7b4c166ff10 R14: ffffa7b4c166ff10 R15: ffff8f0ac3538000 # [ 48.857383] FS: 00007fc7338ec580(0000) GS:ffff8f0b3ac80000(0000) knlGS:0000000000000000 # [ 48.866423] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 48.872833] CR2: 0000000000000000 CR3: 0000000103430003 CR4: 00000000003706e0 # [ 48.880802] Call Trace: # [ 48.883532] direct_entry.cold+0x2c/0x38 # [ 48.887914] full_proxy_write+0x53/0x80 # [ 48.898408] vfs_write+0xe7/0x3a0 # [ 48.902108] ksys_write+0x68/0xf0 # [ 48.912023] do_syscall_64+0x30/0x40 # [ 48.916014] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 48.927869] RIP: 0033:0x7fc733814f33 # [ 48.931859] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 48.952836] RSP: 002b:00007ffef07cc2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 48.961294] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fc733814f33 # [ 48.969266] RDX: 000000000000000a RSI: 00007f[ 50.567047] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING [ 50.577127] lkdtm: attempting bad read from page above current stack [ 50.584269] BUG: stack guard page was hit at 0000000012ccc15f (stack is 00000000e0f65fae..00000000acb16a27) c7[33705000 RDI: 0000000000000001 # [ 48.977239] RBP: 00007fc7 50.595167] kernel stack overflow (page fault): 0000 [#4] SMP PTI [ 50.608191] CPU: 3 PID: 1088 Comm: cat Tainted: G D W 5.10.136-cip14 #1 [ 50.616843] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 50.623644] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d 33705000 R08: 00007fc733704010 R09: 0000000000000000 # [ 48.9[ 50.630255] Code: a0 fd ff 0f 1f 44 00 00 53 48 c7 c7 d8 90 0c 85 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 a5 a0 fd ff 48 c7 c7 18 91 0c 85 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 88 a0 fd ff [ 50.657476] RSP: 0018:ffffa7b4c1a1fe50 EFLAGS: 00010246 [ 50.663313] RAX: 0000000000000038 RBX: ffffa7b4c1a1c000 RCX: 0000000000000000 [ 50.671284] RDX: 0000000000000000 RSI: ffff8f0b3ad9bf70 RDI: ffffffff850c9118 [ 50.679246] RBP: ffffffff850c87e3 R08: 0000000000000000 R09: 0000000000000000 [ 50.687215] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a [ 50.695184] R13: ffffa7b4c1a1ff10 R14: ffffa7b4c1a1ff10 R15: ffff8f0ac3560000 [ 50.703156] FS: 00007f67dc09e580(0000) GS:ffff8f0b3ad80000(0000) knlGS:0000000000000000 [ 50.712186] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.718603] CR2: ffffa7b4c1a20000 CR3: 0000000103dcc004 CR4: 00000000003706e0 [ 50.726574] Call Trace: [ 50.729302] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a [ 50.735137] direct_entry.cold+0x2c/0x38 [ 50.739522] full_proxy_write+0x53/0x80 [ 50.743837] vfs_write+0xe7/0x3a0 [ 50.747536] ksys_write+0x68/0xf0 [ 50.751237] do_syscall_64+0x30/0x40 [ 50.755227] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 50.760868] RIP: 0033:0x7f67dbfc6f33 [ 50.764856] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 50.785844] RSP: 002b:00007ffe4d5a04a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 50.794302] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f67dbfc6f33 [ 50.802272] RDX: 000000000000001a RSI: 00007f67dbeb7000 RDI: 0000000000000001 [ 50.810242] RBP: 00007f67dbeb7000 R08: 00007f67dbeb6010 R09: 0000000000000000 [ 50.818213] R10: 00007f67dc0c11c0 R11: 0000000000000246 R12: 0000000000000001 [ 50.826185] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 50.834160] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 85209] R10: 00007fc73390f1c0 R11: 0000000000000246 R12: 00000000[ 50.860619] ---[ end trace e2f66c91d8f90f59 ]--- [ 50.871988] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 50.876366] Code: 89 ff e8 de bc 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 80 03 74 02 [ 50.897354] RSP: 0018:ffffa7b4c14afe60 EFLAGS: 00010286 [ 50.903179] RAX: ffffffff840de190 RBX: 0000000000000001 RCX: 0000000000000000 [ 50.911150] RDX: 0000000000000000 RSI: ffff8f0b3ac1bf70 RDI: ffffffff84cd9d30 [ 50.919120] RBP: ffffffff85123c60 R08: 0000000000000001 R09: 0000000000000001 [ 50.927091] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 50.935063] R13: ffffa7b4c14aff10 R14: ffffa7b4c14aff10 R15: ffff8f0ac408f000 [ 50.943035] FS: 00007f67dc09e580(0000) GS:ffff8f0b3ad80000(0000) knlGS:0000000000000000 [ 50.952074] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.958490] CR2: ffffa7b4c1a20000 CR3: 0000000103dcc004 CR4: 00000000003706e0 00000001 # [ 48.993179] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 49.001155] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 49.033800] CR2: 0000000000000000 # [ 49.037499] ---[ end trace e2f66c91d8f90f57 ]--- # [ 49.042655] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 49.047032] Code: 89 ff e8 de bc 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 80 03 74 02 # [ 49.068018] RSP: 0018:ffffa7b4c14afe60 EFLAGS: 00010286 # [ 49.073852] RAX: ffffffff840de190 RBX: 0000000000000001 RCX: 0000000000000000 # [ 49.081824] RDX: 0000000000000000 RSI: ffff8f0b3ac1bf70 RDI: ffffffff84cd9d30 # [ 49.089784] RBP: ffffffff85123c60 R08: 0000000000000001 R09: 0000000000000001 # [ 49.097754] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 49.105725] R13: ffff[ 51.074896] lkdtm: Performing direct entry UNSET_SMEP a7b4c14aff10 R14: ffffa7b4c14aff10 R15: ffff8f0ac408f000 # [ [ 51.084119] lkdtm: trying to clear SMEP normally 49.113694] FS: 00007fc7338ec580(0000) GS:ffff8f0b3ac80000(0000)[ 51.095495] ------------[ cut here ]------------ knlGS:0000000000000000 # [ 49.122731] CS: 0010 DS: 0000 ES:[ 51.106863] pinned CR4 bits changed: 0x100000!? 0000 CR0: 0000000080050033 # [ 49.129147] CR2: 0000000000000[ 51.118163] WARNING: CPU: 1 PID: 1124 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60 000 CR3: 0000000103430003 CR4: 00000000003706e0 # [ 49.137119[ 51.134565] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify ] BUG: sleeping function called from invalid context at include/[ 51.167214] CPU: 1 PID: 1124 Comm: cat Tainted: G D W 5.10.136-cip14 #1 [ 51.182082] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 linux/percpu-rwsem.h:49 # [ 49.147032] in_atomic(): 0, irqs_d[ 51.188894] RIP: 0010:native_write_cr4+0x45/0x60 isabled(): 1, non_block: 0, pid: 830, name: cat # [ 49.155392[ 51.200262] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d 93 a3 c3 01 00 75 f2 48 c7 c7 40 7d 00 85 c6 05 83 a3 c3 01 01 e8 13 b3 e7 00 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 ] INFO: lockdep is turned off. # [ 49.159769] irq event stamp[ 51.227484] RSP: 0018:ffffa7b4c1ac7e48 EFLAGS: 00010286 [ 51.239537] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 0000000000000000 : 0 # [ 49.163173] hardirqs last enabled at (0): [<000000000[ 51.247535] RDX: ffff8f0b3acac660 RSI: ffff8f0b3ac9bf70 RDI: ffff8f0b3ac9bf70 0000000>] 0x0 # [ 49.170173] hardirqs last disabled at (0): [[ 51.261721] RBP: ffffffff850c87fd R08: 0000000000000000 R09: 0000000000000000 ] copy_process+0x640/0x1c80 # [ 49.179302] [ 51.275912] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b softirqs last enabled at (0): [] copy_process[ 51.290104] R13: ffffa7b4c1ac7f10 R14: ffffa7b4c1ac7f10 R15: ffff8f0ac275d000 +0x640/0x1c80 # [ 49.188438] softirqs last disabled at (0): [[ 51.304297] FS: 00007f2231377580(0000) GS:ffff8f0b3ac80000(0000) knlGS:0000000000000000 [ 51.319552] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <0000000000000000>] 0x0 # [ 49.195440] CPU: 1 PID: 830 Comm: [ 51.325973] CR2: 00007f2231190000 CR3: 0000000103574003 CR4: 00000000003706e0 cat Tainted: G D W 5.10.136-cip14 #1 # [ 49.2039[ 51.340184] Call Trace: 85] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ [ 51.349130] lkdtm_UNSET_SMEP.cold+0x1d/0x103 49.210790] Call Trace: # [ 49.213531] dump_stack+0x77/0x9b[ 51.360188] direct_entry.cold+0x2c/0x38 # [ 49.217229] ___might_sleep.cold+0xa6/0xb6 # [ 49.22180[ 51.370785] full_proxy_write+0x53/0x80 4] exit_signals+0x1c/0x2e0 # [ 49.225794] do_exit+0xd5/0xb0[ 51.381284] vfs_write+0xe7/0x3a0 0 # [ 49.229297] ? ksys_write+0x68/0xf0 # [ 49.233192] r[ 51.391204] ksys_write+0x68/0xf0 ewind_stack_do_exit+0x17/0x20 # [ 49.237861] RIP: 0033:0x7fc7[ 51.401125] do_syscall_64+0x30/0x40 33814f33 # [ 49.248064] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 0[ 51.411332] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 51.423188] RIP: 0033:0x7f223129ff33 2 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85[ 51.427180] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 51.454374] RSP: 002b:00007ffe9051ceb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1[ 51.462860] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f223129ff33 [ 51.477043] RDX: 000000000000000b RSI: 00007f2231190000 RDI: 0000000000000001 f 40 00 48 83 ec 28 48 89 54 24 18 # [ 49.269051] RSP: 002b:0[ 51.485017] RBP: 00007f2231190000 R08: 00007f223118f010 R09: 0000000000000000 [ 51.499201] R10: 00007f223139a1c0 R11: 0000000000000246 R12: 0000000000000001 0007ffef07cc2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [[ 51.507177] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 49.277500] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 0[ 51.521365] irq event stamp: 0 [ 51.530986] hardirqs last enabled at (0): [<0000000000000000>] 0x0 0007fc733814f33 # [ 49.285480] RDX: 000000000000000a RSI: 000[ 51.537990] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 51.553337] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 07fc733705000 RDI: 0000000000000001 # [ 49.293450] RBP: 00007[ 51.562479] softirqs last disabled at (0): [<0000000000000000>] 0x0 fc733705000 R08: 00007fc733704010 R09: 0000000000000000 # [ 4[ 51.575694] ---[ end trace e2f66c91d8f90f5a ]--- 9.301419] R10: 00007fc73390f1c0 R11: 0000000000000246 R12: 00000[ 51.587071] lkdtm: ok: SMEP did not get cleared [ 51.598345] lkdtm: trying to clear SMEP with call gadget [ 51.604279] lkdtm: ok: SMEP removal was reverted 00000000001 # [ 49.309389] 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 # [ 49.560175] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 49.572246] lkdtm: attempting good list addition # [ 49.583620] lkdtm: attempting corrupted list addition # [ 49.595479] lkdtm: list_add() corruption not detected! # CORRUPT_LIST_[ 51.708706] lkdtm: Performing direct entry DOUBLE_FAULT ADD: missing 'list_add corruption': [FAIL] not ok 10 selftests:[ 51.714732] lkdtm: XFAIL: this test is ia32-only lkdtm: CORRUPT_LIST_ADD.sh # exit=1 # selftests: lkdtm: CORRUPT_LIST_DEL.sh # [ 49.737630] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 49.747636] lkdtm: attempting good list removal # [ 49.752717] lkdtm: attempting corrupted list removal # [ 49.758277] 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 # [ 49.876249] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 49.889245] lkdtm: attempting bad read from page below current stack # [ 49.896383] BUG: stack guard page was hit at 00000000ae3aacc9 (stack is 0000000089adafeb..00000000de893d0c) # [ 49.907281] kernel stack overflow (page fault): 0000 [#3] SMP PTI # [ 49.920305] CPU: 3 PID: 1055 Comm: cat Tainted: G D W 5.10.136-cip14 #1 # [ 49.928956] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 49.935764] RI[ 51.822885] lkdtm: Performing direct entry CORRUPT_PAC [ 51.831274] lkdtm: XFAIL: this test is arm64-only P: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a # [ 49.942279] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 60 90 0c 85 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 df a0 fd ff 48 c7 c7 a0 90 0c 85 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 c5 a0 fd ff 0f 1f 44 # [ 49.963257] RSP: 0018:ffffa7b4c19b7e50 EFLAGS: 00010246 # [ 49.969092] RAX: 0000000000000038 RBX: ffffa7b4c19b4000 RCX: 0000000000000000 # [ 49.977064] RDX: 0000000000000000 RSI: ffff8f0b3ad9bf70 RDI: ffffffff850c90a0 # [ 49.985034] RBP: ffffffff850c87ca R08: 0000000000000000 R09: 0000000000000000 # [ 49.993004] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 # [ 50.000974] R13: ffffa7b4c19b7f10 R14: ffffa7b4c19b7f10 R15: ffff8f0ac35c1000 # [ 50.008946] FS: 00007fd087a11580(0000) GS:ffff8f0b3ad80000(0000) knlGS:0000000000000000 # [ 50.017976] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 50.024392] CR2: ffffa7b4c19b3fff CR3: 00000001032dc003 CR4: 00000000003706e0 # [ 50.032363] Call Trace: # [ 50.035090] ? lkdtm_CORRUPT_LIST_DEL+0xe0/0xe0 # [ 50.040147] direct_entry.cold+0x2c/0x38 # [ 50.044531] full_p[ 51.943692] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE [ 51.955665] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS roxy_write+0x53/0x80 # [ 50.048814] vfs_write+0xe7/0x3a0 # [ 50.052529] ksys_write+0x68/0xf0 # [ 50.056228] do_syscall_64+0x30/0x40 # [ 50.060219] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 50.065859] RIP: 0033:0x7fd087939f33 # [ 50.069847] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 50.090834] RSP: 002b:00007ffcfb9a8f58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 50.099291] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fd087939f33 # [ 50.107260] RDX: 0000000000000019 RSI: 00007fd08782a000 RDI: 0000000000000001 # [ 50.115230] RBP: 00007fd08782a000 R08: 00007fd087829010 R09: 0000000000000000 # [ 50.123200] R10: 00007fd087a341c0 R11: 0000000000000246 R12: 0000000000000001 # [ 50.131172] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 50.139146] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 50.165618] ---[ end trace e2f66c91d8f90f58 ]--- # [ 50.170763] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 50.175141] Code: 89 ff e8 de bc 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 80 03 74 02 # [ 50.196127] RSP: 0018:ffffa7b4c14afe60 EFLAGS: 00010286 # [ 50.201961] RAX: ffffffff840de190 RBX: 0000000000000001 RCX: 0000000000000000 # [ 50.209931] RDX: 0000000000000000 RSI: ffff8f0b3ac1bf70 RDI: ffffffff84cd9d30 # [ 50.217901] RBP: ffffffff85123c60 R08: 0000000000000001 R09: 0000000000000001 # [ 50.225871] R10: 00000000ffffe00[ 52.147423] lkdtm: Performing direct entry READ_AFTER_FREE 0 R11: 3fffffffffffffff R12: 0000000000000004 # [ 50.233840] [ 52.155907] lkdtm: Value in memory before free: 12345678 R13: ffffa7b4c14aff10 R14: ffffa7b4c14aff10 R15: ffff8f0ac408f00[ 52.168065] lkdtm: Attempting bad read from freed memory 0 # [ 50.241812] FS: 00007fd087a11580(0000) GS:ffff8f0b3ad80[ 52.180233] lkdtm: Memory was not poisoned 000(0000) knlGS:0000000000000000 # [ 50.250841] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 50.257255] CR2: ffffa7b4c19b3fff CR3: 00000001032dc003 CR4: 00000000003706e0 # [ 50.265226] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 50.275140] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1055, name: cat # [ 50.283597] INFO: lockdep is turned off. # [ 50.287973] irq event stamp: 0 # [ 50.291379] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 50.298379] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 50.307532] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 50.316668] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 50.323667] CPU: 3 PID: 1055 Comm: cat Tainted: G D W 5.10.136-cip14 #1 # [ 50.332318] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 50.339122] Call Trace: # [ 50.341850] dump_stack+0x77/0x9b # [ 50.345549] ___might_sleep.cold+0xa6/0xb6 # [ 50.350122] exit_signals+0x1c/0x2e0 # [ 50.354104] do_exit+0xd5/0xb00 # [ 50.357598] ? ksys_write+0x68/0xf0 # [ 50.361493] rewind_stack_do_exit+0x17/0x20 # [ 50.366162] RIP: 0033:0x7fd087939f33 # [ 50.370150] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77[ 52.328249] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 50.391137] [ 52.340841] lkdtm: Value in memory before free: 12345678 RSP: 002b:00007ffcfb9a8f58 EFLAGS: 00000246 ORIG_RAX: 0000000000[ 52.353007] lkdtm: Attempting to read from freed memory 000001 # [ 50.399594] RAX: ffffffffffffffda RBX: 000000000000[ 52.365056] lkdtm: Buddy page was not poisoned 0019 RCX: 00007fd087939f33 # [ 50.407564] RDX: 0000000000000019 RSI: 00007fd08782a000 RDI: 0000000000000001 # [ 50.415536] RBP: 00007fd08782a000 R08: 00007fd087829010 R09: 0000000000000000 # [ 50.423508] R10: 00007fd087a341c0 R11: 0000000000000246 R12: 0000000000000001 # [ 50.431478] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # STACK_GUARD_PAGE_LEADING: saw 'call trace:': ok ok 12 selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh # selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # Segmentation fault # [ 50.567047] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 50.577127] lkdtm: attempting bad read from page above current stack # [ 50.584269] BUG: stack guard page was hit at 0000000012ccc15f (stack is 00000000e0f65fae..00000000acb16a27) # [ 50.595167] kernel stack overflow (page fault): 0000 [#4] SMP PTI # [ 50.608191] CPU: 3 PID: 1088 Comm: cat Tainted: G D W 5.10.136-cip[ 52.469155] lkdtm: Performing direct entry SLAB_FREE_DOUBLE [ 52.475696] lkdtm: Attempting double slab free ... 14 #1 # [ 50.616843] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 50.623644] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d # [ 50.630255] Code: a0 fd ff 0f 1f 44 00 00 53 48 c7 c7 d8 90 0c 85 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 a5 a0 fd ff 48 c7 c7 18 91 0c 85 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 88 a0 fd ff # [ 50.657476] RSP: 0018:ffffa7b4c1a1fe50 EFLAGS: 00010246 # [ 50.663313] RAX: 0000000000000038 RBX: ffffa7b4c1a1c000 RCX: 0000000000000000 # [ 50.671284] RDX: 0000000000000000 RSI: ffff8f0b3ad9bf70 RDI: ffffffff850c9118 # [ 50.679246] RBP: ffffffff850c87e3 R08: 0000000000000000 R09: 0000000000000000 # [ 50.687215] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a # [ 50.695184] R13: ffffa7b4c1a1ff10 R14: ffffa7b4c1a1ff10 R15: ffff8f0ac3560000 # [ 50.703156] FS: 00007f67dc09e580(0000) GS:ffff8f0b3ad80000(0000) knlGS:0000000000000000 # [ 50.712186] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 50.718603] CR2: ffffa7b4c1a20000 CR3: 0000000103dcc004 CR4: 00000000003706e0 # [ 50.726574] Call Trace: # [ 50.729302] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a # [ 50.735137] direct_entry.cold+0x2c/0x38 # [ 50.739522] full_proxy_write+0x53/0x80 # [ 50.743837] vfs_write+0xe7/0x3a0 # [ 50.747536] ksys_write+0x68/0xf0 # [ 50.751237] do_syscall_64+0x30/0x40 # [ 50.755227] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 50.760868] RIP: 0033:0x7f67dbfc6f33 # [ 50.764856] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 6[ 52.631259] lkdtm: Performing direct entry SLAB_FREE_CROSS 4 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d [ 52.642607] lkdtm: Attempting cross-cache slab free ... 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 50.785844] RSP: 002b:00007ffe4d5a04a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 50.794302] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f67dbfc6f33 # [ 50.802272] RDX: 000000000000001a RSI: 00007f67dbeb7000 RDI: 0000000000000001 # [ 50.810242] RBP: 00007f67dbeb7000 R08: 00007f67dbeb6010 R09: 0000000000000000 # [ 50.818213] R10: 00007f67dc0c11c0 R11: 0000000000000246 R12: 0000000000000001 # [ 50.826185] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 50.834160] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 50.860619] ---[ end trace e2f66c91d8f90f59 ]--- # [ 50.871988] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 50.876366] Code: 89 ff e8 de bc 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 80 03 74 02 # [ 50.897354] RSP: 0018:ffffa7b4c14afe60 EFLAGS: [ 52.768973] lkdtm: Performing direct entry SLAB_FREE_PAGE 00010286 # [ 50.903179] RAX: ffffffff840de190 RBX: 0000000000[ 52.778961] lkdtm: Attempting non-Slab slab free ... 000001 RCX: 0000000000000000 # [ 50.911150] RDX: 0000000000000000 RSI: ffff8f0b3ac1bf70 RDI: ffffffff84cd9d30 # [ 50.919120] RBP: ffffffff85123c60 R08: 0000000000000001 R09: 0000000000000001 # [ 50.927091] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 50.935063] R13: ffffa7b4c14aff10 R14: ffffa7b4c14aff10 R15: ffff8f0ac408f000 # [ 50.943035] FS: 00007f67dc09e580(0000) GS:ffff8f0b3ad80000(0000) knlGS:0000000000000000 # [ 50.952074] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 50.958490] CR2: ffffa7b4c1a20000 CR3: 0000000103dcc004 CR4: 00000000003706e0 # STACK_GUARD_PAGE_TRAILING: saw 'call trace:': ok ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # selftests: lkdtm: UNSET_SMEP.sh # [ 51.074896] lkdtm: Performing direct entry UNSET_SMEP # [ 51.084119] lkdtm: trying to clear SMEP normally # [ 51.095495] ------------[ cut here ]------------ # [ 51.106863] pinned CR4 bits changed: 0x100000!? # [ 51.118163] WARNING: CPU: 1 PID: 1124 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60 # [ 51.134565] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 51.167214] CPU: 1 PID: 1124 Comm: cat Tainted: G D W 5.10.136-cip14 #1 # [ 51.182082] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 51.188894] RIP: 0010:native_write_cr4+0x45/0x60 # [ 51.200262] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d 93 a3 c3 01 00 75 f2 48 c7 c7 40 7d 00 85 c6 05 83 a3 c3 01 01 e8 13 b3 e7 00 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 # [ 51.227484] RSP: 0018:ffffa7b4c1ac7e48 EFLAGS: 00010286 # [ 51.239537] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 0000000000000000 # [ 51.247535] RDX: ffff8f0b3acac660 RSI: ffff8f0b3ac9bf70 RDI: ffff8f0b3ac9bf70 # [ 51.261721] RBP: ffffffff850c87fd R08: 0000000000000000 R09: 0000000000000000 # [ 51.275912] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 51.290104] R13: ffffa7b4c1ac7f10 R14: ffffa7b4c1ac7f10 R15: ffff8f0ac275d000 # [ 51.304297] FS: 00007f2231377580(0000) GS:ffff8f0b3ac80000(0000) knlGS:0000000000000000 # [ 51.319552] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 51.325973] CR2: 00007f2231190000 CR3: 0000000103574003 CR4: 00000000003706e0 # [ 51.340184] Call Trace: # [ [ 53.035291] lkdtm: Performing direct entry EXEC_DATA 51.349130] lkdtm_UNSET_SMEP.cold+0x1d/0x103 # [ 51.360188] [ 53.044900] lkdtm: attempting ok execution at ffffffff840de560 direct_entry.cold+0x2c/0x38 # [ 51.370785] full_proxy_write+[ 53.057636] lkdtm: attempting bad execution at ffffffff8681e560 0x53/0x80 # [ 51.381284] vfs_write+0xe7/0x3a0 # [ 51.3912[ 53.070492] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 53.085064] BUG: unable to handle page fault for address: ffffffff8681e560 [ 53.092736] #PF: supervisor instruction fetch in kernel mode [ 53.099055] #PF: error_code(0x0011) - permissions violation [ 53.105277] PGD 65829067 P4D 65829067 PUD 6582a063 PMD 8000000066e000e3 04] ksys_write+0x68/0xf0 # [ 51.401125] do_syscall_64+0x30/[ 53.112767] Oops: 0011 [#5] SMP PTI [ 53.122872] CPU: 1 PID: 1631 Comm: cat Tainted: G D W 5.10.136-cip14 #1 [ 53.131527] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 53.138335] RIP: 0010:data_area+0x0/0x40 0x40 # [ 51.411332] entry_SYSCALL_64_after_hwframe+0x61/0xc6[ 53.142714] Code: ff ff 00 d2 5d c4 0a 8f ff ff 00 d1 5d c4 0a 8f ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 [ 53.169915] RSP: 0018:ffffa7b4c22cfe48 EFLAGS: 00010246 [ 53.175741] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 53.183713] RDX: 0000000000000000 RSI: ffff8f0b3ac9bf70 RDI: ffff8f0b3ac9bf70 [ 53.191683] RBP: ffffffff8681e560 R08: 0000000000000000 R09: 0000000000000000 [ 53.199655] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 53.207625] R13: ffffa7b4c22cff10 R14: ffffa7b4c22cff10 R15: ffff8f0ac3ebc000 [ 53.215596] FS: 00007fe69ea1e580(0000) GS:ffff8f0b3ac80000(0000) knlGS:0000000000000000 [ 53.224636] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.231045] CR2: ffffffff8681e560 CR3: 0000000103c10003 CR4: 00000000003706e0 [ 53.239015] Call Trace: [ 53.241744] ? execute_location+0x45/0x56 # [ 51.423188] RIP: 0033:0x7f223129ff33 # [ 51.427180] Co[ 53.246220] ? direct_entry.cold+0x2c/0x38 [ 53.257009] ? full_proxy_write+0x53/0x80 de: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 [ 53.261489] ? vfs_write+0xe7/0x3a0 [ 53.271593] ? ksys_write+0x68/0xf0 [ 53.275486] ? do_syscall_64+0x30/0x40 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 0[ 53.279670] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 5 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 [ 53.291722] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 53.324364] CR2: ffffffff8681e560 [ 53.328061] ---[ end trace e2f66c91d8f90f5b ]--- [ 53.333218] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 53.337594] Code: 89 ff e8 de bc 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 80 03 74 02 [ 53.358580] RSP: 0018:ffffa7b4c14afe60 EFLAGS: 00010286 [ 53.364413] RAX: ffffffff840de190 RBX: 0000000000000001 RCX: 0000000000000000 [ 53.372382] RDX: 0000000000000000 RSI: ffff8f0b3ac1bf70 RDI: ffffffff84cd9d30 [ 53.380353] RBP: ffffffff85123c60 R08: 0000000000000001 R09: 0000000000000001 [ 53.388324] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 53.396293] R13: ffffa7b4c14aff10 R14: ffffa7b4c14aff10 R15: ffff8f0ac408f000 [ 53.404265] FS: 00007fe69ea1e580(0000) GS:ffff8f0b3ac80000(0000) knlGS:0000000000000000 [ 53.413301] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.419717] CR2: ffffffff8681e560 CR3: 0000000103c10003 CR4: 00000000003706e0 [ 53.427686] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 53.437598] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1631, name: cat [ 53.446053] INFO: lockdep is turned off. [ 53.450428] irq event stamp: 0 [ 53.453834] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 53.460835] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 53.469962] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 53.479097] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 53.486095] CPU: 1 PID: 1631 Comm: cat Tainted: G D W 5.10.136-cip14 #1 [ 53.494745] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 53.501548] Call Trace: [ 53.504275] dump_stack+0x77/0x9b [ 53.507971] ___might_sleep.cold+0xa6/0xb6 [ 53.512543] exit_signals+0x1c/0x2e0 [ 53.516543] do_exit+0xd5/0xb00 24 18 # [ 51.454374] RSP: 002b:00007ffe9051ceb8 EFLAGS: 00000[ 53.520056] ? ksys_write+0x68/0xf0 [ 53.530164] rewind_stack_do_exit+0x17/0x20 246 ORIG_RAX: 0000000000000001 # [ 51.462860] RAX: ffffffffff[ 53.534832] RIP: 0033:0x7fe69e946f33 [ 53.545033] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 53.566018] RSP: 002b:00007ffd1dfaa268 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 53.574478] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fe69e946f33 [ 53.582448] RDX: 000000000000000a RSI: 00007fe69e837000 RDI: 0000000000000001 [ 53.590417] RBP: 00007fe69e837000 R08: 00007fe69e836010 R09: 0000000000000000 [ 53.598387] R10: 00007fe69ea411c0 R11: 0000000000000246 R12: 0000000000000001 [ 53.606357] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ffffda RBX: 000000000000000b RCX: 00007f223129ff33 # [ 51.477043] RDX: 000000000000000b RSI: 00007f2231190000 RDI: 0000000000000001 # [ 51.485017] RBP: 00007f2231190000 R08: 00007f223118f010 R09: 0000000000000000 # [ 51.499201] R10: 00007f223139a1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 51.507177] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 51.521365] irq event stamp: 0 # [ 51.530986] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 51.537990] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 51.553337] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 51.562479] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 51.575694] ---[ end trace e2f66c91d8f90f5a ]--- # [ 51.587071] lkdtm: ok: SMEP did not get cleared # [ 51.598345] lkdtm: trying to clear SMEP with call gadget # [ 51.604279] lkdtm: ok: SMEP removal was reverted # UNSET_SMEP: saw 'pinned CR4 bits changed:': ok ok 14 selftests: lkdtm: UNSET_SMEP.sh # selftests: lkdtm: DOUBLE_FAULT.sh # [ 51.708706] lkdtm: Performing[ 53.720833] lkdtm: Performing direct entry EXEC_STACK direct entry DOUBLE_FAULT # [ 51.714732] lkdtm: XFAIL: this [ 53.731845] lkdtm: attempting ok execution at ffffffff840de560 test is ia32-only # DOUBLE_FAULT: saw 'XFAIL': [SKIP] ok 15 se[ 53.744582] lkdtm: attempting bad execution at ffffa7b4c2377e18 lftests: lkdtm: DOUBLE_FAULT.sh # SKIP # selftests: lkdtm: CORR[ 53.757414] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 53.771989] BUG: unable to handle page fault for address: ffffa7b4c2377e18 UPT_PAC.sh # [ 51.822885] lkdtm: Performing direct entry CORR[ 53.779669] #PF: supervisor instruction fetch in kernel mode [ 53.792203] #PF: error_code(0x0011) - permissions violation UPT_PAC # [ 51.831274] lkdtm: XFAIL: this test is arm64-only[ 53.798427] PGD 100000067 P4D 100000067 PUD 100211067 PMD 105020067 PTE 8000000103de6063 [ 53.813691] Oops: 0011 [#6] SMP PTI [ 53.817583] CPU: 1 PID: 1667 Comm: cat Tainted: G D W 5.10.136-cip14 #1 [ 53.826233] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 53.833039] RIP: 0010:0xffffa7b4c2377e18 [ 53.837417] Code: 00 00 18 7e 37 c2 b4 a7 ff ff 46 b5 76 84 ff ff ff ff 20 00 00 00 00 00 00 00 26 89 0c 85 ff ff ff ff 75 b6 76 84 ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 [ 53.858405] RSP: 0018:ffffa7b4c2377df8 EFLAGS: 00010246 [ 53.864239] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 53.872209] RDX: 0000000000000000 RSI: ffff8f0b3ac9bf70 RDI: ffff8f0b3ac9bf70 [ 53.880180] RBP: ffffa7b4c2377e18 R08: 0000000000000000 R09: 0000000000000000 [ 53.888152] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b [ 53.896122] R13: ffffa7b4c2377f10 R14: ffffa7b4c2377f10 R15: ffff8f0ac2764000 [ 53.904094] FS: 00007fad88133580(0000) GS:ffff8f0b3ac80000(0000) knlGS:0000000000000000 [ 53.913124] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.919540] CR2: ffffa7b4c2377e18 CR3: 000000010543e002 CR4: 00000000003706e0 [ 53.927533] Call Trace: [ 53.930262] ? execute_location+0x45/0x56 # CORRUPT_PAC: saw 'XFAIL': [SKIP] ok 16 selftests: lkdtm: COR[ 53.934739] ? lkdtm_EXEC_STACK+0x26/0x44 [ 53.945430] ? direct_entry.cold+0x2c/0x38 [ 53.950004] ? full_proxy_write+0x53/0x80 RUPT_PAC.sh # SKIP # selftests: lkdtm: UNALIGNED_LOAD_STORE_WRI[ 53.954485] ? vfs_write+0xe7/0x3a0 [ 53.964590] ? ksys_write+0x68/0xf0 [ 53.968484] ? do_syscall_64+0x30/0x40 TE.sh # [ 51.943692] lkdtm: Performing direct entry UNALIGNED[ 53.972671] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 _LOAD_STORE_WRITE # [ 51.955665] lkdtm: XFAIL: arch has CONFI[ 53.984723] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 54.017369] CR2: ffffa7b4c2377e18 [ 54.021068] ---[ end trace e2f66c91d8f90f5c ]--- [ 54.026224] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 54.030602] Code: 89 ff e8 de bc 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 80 03 74 02 [ 54.051588] RSP: 0018:ffffa7b4c14afe60 EFLAGS: 00010286 [ 54.057421] RAX: ffffffff840de190 RBX: 0000000000000001 RCX: 0000000000000000 [ 54.065391] RDX: 0000000000000000 RSI: ffff8f0b3ac1bf70 RDI: ffffffff84cd9d30 [ 54.073362] RBP: ffffffff85123c60 R08: 0000000000000001 R09: 0000000000000001 [ 54.081333] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 54.089302] R13: ffffa7b4c14aff10 R14: ffffa7b4c14aff10 R15: ffff8f0ac408f000 [ 54.097274] FS: 00007fad88133580(0000) GS:ffff8f0b3ac80000(0000) knlGS:0000000000000000 [ 54.106314] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.112730] CR2: ffffa7b4c2377e18 CR3: 000000010543e002 CR4: 00000000003706e0 [ 54.120702] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 54.130616] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1667, name: cat [ 54.139072] INFO: lockdep is turned off. [ 54.143449] irq event stamp: 0 [ 54.146880] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 54.153882] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 54.163019] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 54.172153] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 54.179152] CPU: 1 PID: 1667 Comm: cat Tainted: G D W 5.10.136-cip14 #1 [ 54.187802] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 54.194607] Call Trace: [ 54.197335] dump_stack+0x77/0x9b [ 54.201035] ___might_sleep.cold+0xa6/0xb6 [ 54.205609] exit_signals+0x1c/0x2e0 [ 54.209600] do_exit+0xd5/0xb00 [ 54.213094] ? ksys_write+0x68/0xf0 [ 54.216988] rewind_stack_do_exit+0x17/0x20 G_HAVE_EFFICIENT_UNALIGNED_ACCESS # UNALIGNED_LOAD_STORE_WRITE:[ 54.221658] RIP: 0033:0x7fad8805bf33 [ 54.231860] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 54.252847] RSP: 002b:00007ffc4195f688 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 54.261303] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007fad8805bf33 [ 54.269272] RDX: 000000000000000b RSI: 00007fad87f4c000 RDI: 0000000000000001 [ 54.277243] RBP: 00007fad87f4c000 R08: 00007fad87f4b010 R09: 0000000000000000 [ 54.285215] R10: 00007fad881561c0 R11: 0000000000000246 R12: 0000000000000001 [ 54.293184] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 saw 'XFAIL': [SKIP] ok 17 selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh # SKIP # selftests: lkdtm: OVERWRITE_ALLOCATION.sh # Skipping OVERWRITE_ALLOCATION: Corrupts memory on failure ok 18 selftests: lkdtm: OVERWRITE_ALLOCATION.sh # SKIP # selftests: lkdtm: WRITE_AFTER_FREE.sh # Skipping WRITE_AFTER_FREE: Corrupts memory on failure ok 19 selftests: lkdtm: WRITE_AFTER_FREE.sh # SKIP # selftests: lkdtm: READ_AFTER_FREE.sh # [ 52.147423] lkdtm: Performing direct entry READ_AFTER_FREE # [ 52.155907] lkdtm: Value in memory before free: 12345678 # [ 52.168065] lkdtm: Attempting bad read from freed memory # [ 52.180233] lkdtm: Memory was not poisoned # READ_AFTER_FREE: missing 'call trace:': [FAIL] not ok 20 selftests: lkdtm: READ_AFTER_FREE.sh # exit=1 # selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # Skipping WRITE_BUDDY_AFTER_FREE: Corrupts memory on failure ok 21 selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # SKIP # selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh # [ 52.328249] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 52.340841] lkdtm: Value in memory before free: 12345678 # [ 52.353007] lkdtm: Attempting to read from freed memory # [ 52.365056] lkdtm: Buddy page was not poisoned # READ_BUDDY_AFTER_FREE: missing 'call trace:': [FAIL] not ok 22 selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh # exit=1 # selftests: lkdtm: SLAB_FREE_DOUBLE.sh # [ 52.469155] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 52.475696] lkdtm: Attempting double slab free ... # SLAB_FREE_DOUBLE: missing 'call trace:': [FAIL] not ok 23 selftests: lkdtm: SLAB_FREE_DOUBLE.sh # exit=1 # selftests: lkdtm: SLAB_FREE_CROSS.sh # [ 52.631259] lkdtm: Performing direct entry SL[ 54.465214] lkdtm: Performing direct entry EXEC_KMALLOC [ 54.474810] lkdtm: attempting ok execution at ffffffff840de560 [ 54.481337] lkdtm: attempting bad execution at ffff8f0ac2797c40 [ 54.487965] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 54.496329] BUG: unable to handle page fault for address: ffff8f0ac2797c40 [ 54.504000] #PF: supervisor instruction fetch in kernel mode [ 54.510320] #PF: error_code(0x0011) - permissions violation [ 54.516543] PGD 67001067 P4D 67001067 PUD 10084e063 PMD 105632063 PTE 8000000102797163 [ 54.525391] Oops: 0011 [#7] SMP PTI [ 54.529282] CPU: 2 PID: 1703 Comm: cat Tainted: G D W 5.10.136-cip14 #1 [ 54.537932] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 54.544739] RIP: 0010:0xffff8f0ac2797c40 [ 54.549117] Code: 00 00 02 00 00 00 00 00 00 00 c0 d2 64 c2 0a 8f ff ff 03 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 94 2a ec 83 ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 [ 54.570104] RSP: 0018:ffffa7b4c2417e38 EFLAGS: 00010246 [ 54.575931] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 54.583902] RDX: 0000000000000000 RSI: ffff8f0b3ad1bf70 RDI: ffff8f0b3ad1bf70 [ 54.591864] RBP: ffff8f0ac2797c40 R08: 0000000000000000 R09: 0000000000000000 [ 54.599834] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 54.607806] R13: ffffa7b4c2417f10 R14: ffffa7b4c2417f10 R15: ffff8f0ac6586000 [ 54.615778] FS: 00007fac9b52b580(0000) GS:ffff8f0b3ad00000(0000) knlGS:0000000000000000 [ 54.624817] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.631234] CR2: ffff8f0ac2797c40 CR3: 0000000103470001 CR4: 00000000003706e0 [ 54.639205] Call Trace: [ 54.641935] ? execute_location+0x45/0x56 [ 54.646411] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 [ 54.651079] ? direct_entry.cold+0x2c/0x38 [ 54.655654] ? full_proxy_write+0x53/0x80 [ 54.660131] ? vfs_write+0xe7/0x3a0 [ 54.664023] ? ksys_write+0x68/0xf0 [ 54.667917] ? do_syscall_64+0x30/0x40 [ 54.672100] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 54.677940] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify AB_FREE_CROSS # [ 52.642607] lkdtm: Attempting cross-cache sl[ 54.704400] CR2: ffff8f0ac2797c40 [ 54.714311] ---[ end trace e2f66c91d8f90f5d ]--- [ 54.719479] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 54.723858] Code: 89 ff e8 de bc 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 80 03 74 02 [ 54.744838] RSP: 0018:ffffa7b4c14afe60 EFLAGS: 00010286 [ 54.750663] RAX: ffffffff840de190 RBX: 0000000000000001 RCX: 0000000000000000 [ 54.758634] RDX: 0000000000000000 RSI: ffff8f0b3ac1bf70 RDI: ffffffff84cd9d30 [ 54.766606] RBP: ffffffff85123c60 R08: 0000000000000001 R09: 0000000000000001 [ 54.774578] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 54.782548] R13: ffffa7b4c14aff10 R14: ffffa7b4c14aff10 R15: ffff8f0ac408f000 [ 54.790534] FS: 00007fac9b52b580(0000) GS:ffff8f0b3ad00000(0000) knlGS:0000000000000000 [ 54.799575] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.805992] CR2: ffff8f0ac2797c40 CR3: 0000000103470001 CR4: 00000000003706e0 ab free ... # SLAB_FREE_CROSS: missing 'call trace:': [FAIL] not ok 24 selftests: lkdtm: SLAB_FREE_CROSS.sh # exit=1 # selftests: lkdtm: SLAB_FREE_PAGE.sh # [ 52.768973] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 52.778961] lkdtm: Attempting non-Slab slab free ... # SLAB_FREE_PAGE: missing 'call trace:': [FAIL] not ok 25 selftests: lkdtm: SLAB_FREE_PAGE.sh # exit=1 # selftests: lkdtm: SOFTLOCKUP.sh # Skipping SOFTLOCKUP: Hangs the system ok 26 selftests: lkdtm: SOFTLOCKUP.sh # SKIP # selftests: lkdtm: HARDLOCKUP.sh # Skipping HARDLOCKUP: Hangs the system ok 27 selftests: lkdtm: HARDLOCKUP.sh # SKIP # selftests: lkdtm: SPINLOCKUP.sh # Skipping SPINLOCKUP: Hangs the system ok 28 selftests: lkdtm: SPINLOCKUP.sh # SKIP # selftests: lkdtm: HUNG_TASK.sh # Skipping HUNG_TASK: Hangs the system ok 29 selftests: lkdtm: HUNG_TASK.sh # SKIP # selftests: lkdtm: EXEC_DATA.sh # Killed # [ 53.035291] lkdtm: Performing direct entry EXEC_DATA # [ 53.044900] lkdtm: attempting ok execution at ffffffff840de560 # [ 53.057636] lkdtm: attempting bad execution at ffffffff8681e560 # [ 53.070492] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 53.08506[ 54.927533] lkdtm: Performing direct entry EXEC_VMALLOC [ 54.937956] lkdtm: attempting ok execution at ffffffff840de560 4] BUG: unable to handle page fault for address: ffffffff8681e56[ 54.944483] lkdtm: attempting bad execution at ffffa7b4c06e3000 [ 54.957334] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) 0 # [ 53.092736] #PF: supervisor instruction fetch in kernel [ 54.965697] BUG: unable to handle page fault for address: ffffa7b4c06e3000 [ 54.979594] #PF: supervisor instruction fetch in kernel mode [ 54.985917] #PF: error_code(0x0011) - permissions violation mo[de # [ 53.099055] #PF: error_code(0x0011) - permissions vio 54.992139] PGD 100000067 P4D 100000067 PUD 100211067 PMD 10563b067 PTE 800000010572e063 [ 55.007401] Oops: 0011 [#8] SMP PTI [ 55.011295] CPU: 3 PID: 1739 Comm: cat Tainted: G D W 5.10.136-cip14 #1 [ 55.019947] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 55.026755] RIP: 0010:0xffffa7b4c06e3000 [ 55.031133] Code: Unable to access opcode bytes at RIP 0xffffa7b4c06e2fd6. [ 55.038814] RSP: 0018:ffffa7b4c249fe38 EFLAGS: 00010246 [ 55.044650] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 55.052620] RDX: 0000000000000000 RSI: ffff8f0b3ad9bf70 RDI: ffff8f0b3ad9bf70 [ 55.060590] RBP: ffffa7b4c06e3000 R08: 0000000000000000 R09: 0000000000000000 [ 55.068559] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 55.076535] R13: ffffa7b4c249ff10 R14: ffffa7b4c249ff10 R15: ffff8f0ac572e000 [ 55.084506] FS: 00007fcadc5c7580(0000) GS:ffff8f0b3ad80000(0000) knlGS:0000000000000000 [ 55.093591] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.100010] CR2: ffffa7b4c06e2fd6 CR3: 0000000102960002 CR4: 00000000003706e0 [ 55.107979] Call Trace: [ 55.110708] ? execute_location+0x45/0x56 [ 55.115183] ? lkdtm_EXEC_VMALLOC+0x20/0x30 [ 55.119844] ? direct_entry.cold+0x2c/0x38 [ 55.124409] ? full_proxy_write+0x53/0x80 [ 55.128886] ? vfs_write+0xe7/0x3a0 [ 55.132778] ? ksys_write+0x68/0xf0 [ 55.136672] ? do_syscall_64+0x30/0x40 [ 55.140855] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 55.146691] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify lation # [ 53.105277] PGD 65829067 P4D 65829067 PUD 6582a063 [ 55.173152] CR2: ffffa7b4c06e3000 [ 55.183062] ---[ end trace e2f66c91d8f90f5e ]--- [ 55.188216] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 55.192595] Code: 89 ff e8 de bc 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 80 03 74 02 [ 55.213582] RSP: 0018:ffffa7b4c14afe60 EFLAGS: 00010286 [ 55.219416] RAX: ffffffff840de190 RBX: 0000000000000001 RCX: 0000000000000000 [ 55.227386] RDX: 0000000000000000 RSI: ffff8f0b3ac1bf70 RDI: ffffffff84cd9d30 [ 55.235356] RBP: ffffffff85123c60 R08: 0000000000000001 R09: 0000000000000001 [ 55.243326] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 55.251295] R13: ffffa7b4c14aff10 R14: ffffa7b4c14aff10 R15: ffff8f0ac408f000 [ 55.259267] FS: 00007fcadc5c7580(0000) GS:ffff8f0b3ad80000(0000) knlGS:0000000000000000 [ 55.268307] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.274725] CR2: ffffa7b4c06e2fd6 CR3: 0000000102960002 CR4: 00000000003706e0 [ 55.282696] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 55.292610] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1739, name: cat [ 55.301067] INFO: lockdep is turned off. [ 55.305444] irq event stamp: 0 [ 55.308842] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 55.315835] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 55.324972] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 55.334107] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 55.341106] CPU: 3 PID: 1739 Comm: cat Tainted: G D W 5.10.136-cip14 #1 [ 55.349757] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 55.356563] Call Trace: [ 55.359291] dump_stack+0x77/0x9b [ 55.362990] ___might_sleep.cold+0xa6/0xb6 [ 55.367556] exit_signals+0x1c/0x2e0 [ 55.371546] do_exit+0xd5/0xb00 [ 55.375051] ? ksys_write+0x68/0xf0 [ 55.378936] rewind_stack_do_exit+0x17/0x20 [ 55.383606] RIP: 0033:0x7fcadc4eff33 [ 55.387587] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 55.408566] RSP: 002b:00007ffca11a5dd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 55.417014] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007fcadc4eff33 [ 55.424984] RDX: 000000000000000d RSI: 00007fcadc3e0000 RDI: 0000000000000001 [ 55.432953] RBP: 00007fcadc3e0000 R08: 00007fcadc3df010 R09: 0000000000000000 [ 55.440925] R10: 00007fcadc5ea1c0 R11: 0000000000000246 R12: 0000000000000001 [ 55.448897] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 PMD 8000000066e000e3 # [ 53.112767] Oops: 0011 [#5] SMP PTI # [ 53.122872] CPU: 1 PID: 1631 Comm: cat Tainted: G D W 5.10.136-cip14 #1 # [ 53.131527] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 53.138335] RIP: 0010:data_area+0x0/0x40 # [ 53.142714] Code: ff ff 00 d2 5d c4 0a 8f ff ff 00 d1 5d c4 0a 8f ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 # [ 53.169915] RSP: 0018:ffffa7b4c22cfe48 EFLAGS: 00010246 # [ 53.175741] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 53.183713] RDX: 0000000000000000 RSI: ffff8f0b3ac9bf70 RDI: ffff8f0b3ac9bf70 # [ 53.191683] RBP: ffffffff8681e560 R08: 0000000000000000 R09: 0000000000000000 # [ 53.199655] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 53.207625] R13: ffffa7b4c22cff10 R14: ffffa7b4c22cff10 R15: ffff8f0ac3ebc000 # [ 53.215596] FS: 00007fe69ea1e580(0000) GS:ffff8f0b3ac80000(0000) knlGS:0000000000000000 # [ 53.224636] C[ 55.556278] lkdtm: Performing direct entry EXEC_RODATA [ 55.568331] lkdtm: attempting ok execution at ffffffff840de560 S: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 53.23104[ 55.574862] lkdtm: attempting bad execution at ffffffff84cda1c0 [ 55.587705] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) 5] CR2: ffffffff8681e560 CR3: 0000000103c10003 CR4: 000000000037[ 55.596071] BUG: unable to handle page fault for address: ffffffff84cda1c0 [ 55.609966] #PF: supervisor instruction fetch in kernel mode [ 55.616278] #PF: error_code(0x0011) - permissions violation [ 55.622501] PGD 65829067 P4D 65829067 PUD 6582a063 PMD 80000000652000e1 06e0 # [ 53.239015] Call Trace: # [ 53.241744] ? execute_[ 55.629991] Oops: 0011 [#9] SMP PTI [ 55.640097] CPU: 2 PID: 1775 Comm: cat Tainted: G D W 5.10.136-cip14 #1 [ 55.648748] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 lo[cation+0x45/0x56 # [ 53.246220] ? direct_entry.cold+0x2c/0 55.655549] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 [ 55.667504] Code: ff ff e5 ca 76 84 ff ff ff ff 72 8b 0c 85 ff ff ff ff 2b b2 76 84 ff ff ff ff 55 aa 55 aa 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 54 68 69 73 20 69 [ 55.688536] RSP: 0018:ffffa7b4c253fe48 EFLAGS: 00010246 [ 55.694370] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 55.702340] RDX: 0000000000000000 RSI: ffff8f0b3ad1bf70 RDI: ffff8f0b3ad1bf70 [ 55.710310] RBP: ffffffff84cda1c0 R08: 0000000000000000 R09: 0000000000000000 [ 55.718280] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 55.726252] R13: ffffa7b4c253ff10 R14: ffffa7b4c253ff10 R15: ffff8f0ac3fab000 [ 55.734222] FS: 00007f27a2ae2580(0000) GS:ffff8f0b3ad00000(0000) knlGS:0000000000000000 [ 55.743260] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.749678] CR2: ffffffff84cda1c0 CR3: 0000000102976002 CR4: 00000000003706e0 [ 55.757648] Call Trace: [ 55.760377] ? execute_location+0x45/0x56 [ 55.764853] ? direct_entry.cold+0x2c/0x38 [ 55.769428] ? full_proxy_write+0x53/0x80 x38 # [ 53.257009] ? full_proxy_write+0x53/0x80 # [ 53.26[ 55.773903] ? vfs_write+0xe7/0x3a0 [ 55.784009] ? ksys_write+0x68/0xf0 [ 55.787895] ? do_syscall_64+0x30/0x40 [ 55.792080] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 55.797918] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 1489] ? vfs_write+0xe7/0x3a0 # [ 53.271593] ? ksys_write+0x[ 55.824378] CR2: ffffffff84cda1c0 [ 55.834290] ---[ end trace e2f66c91d8f90f5f ]--- [ 55.839437] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 55.843814] Code: 89 ff e8 de bc 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 80 03 74 02 [ 55.864799] RSP: 0018:ffffa7b4c14afe60 EFLAGS: 00010286 [ 55.870634] RAX: ffffffff840de190 RBX: 0000000000000001 RCX: 0000000000000000 [ 55.878604] RDX: 0000000000000000 RSI: ffff8f0b3ac1bf70 RDI: ffffffff84cd9d30 [ 55.886576] RBP: ffffffff85123c60 R08: 0000000000000001 R09: 0000000000000001 [ 55.894547] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 55.902528] R13: ffffa7b4c14aff10 R14: ffffa7b4c14aff10 R15: ffff8f0ac408f000 [ 55.910499] FS: 00007f27a2ae2580(0000) GS:ffff8f0b3ad00000(0000) knlGS:0000000000000000 [ 55.919538] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.925957] CR2: ffffffff84cda1c0 CR3: 0000000102976002 CR4: 00000000003706e0 68/0xf0 # [ 53.275486] ? do_syscall_64+0x30/0x40 # [ 53.279670] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 53.291722] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 53.324364] CR2: ffffffff8681e560 # [ 53.328061] ---[ end trace e2f66c91d8f90f5b ]--- # [ 53.333218] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 53.337594] Code: 89 ff e8 de bc 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 80 03 74 02 # [ 53.358580] RSP: 0018:ffffa7b4c14afe60 EFLAGS: 00010286 # [ 53.364413] RAX: ffffffff840de190 RBX: 0000000000000001 RCX: 0000000000000000 # [ 53.372382] RDX: 0000000000000000 RSI: ffff8f0b3ac1bf70 RDI: ffffffff84cd9d30 # [ 53.380353] RBP: ffffffff85123c60 R08: 0000000000000001 R09: 0000000000000001 # [ 53.388324] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ [ 56.045561] lkdtm: Performing direct entry EXEC_USERSPACE 53.396293] R13: ffffa7b4c14aff10 R14: ffffa7b4c14aff10 R15: ff[ 56.051927] lkdtm: attempting ok execution at ffffffff840de560 ff8f0ac408f000 # [ 53.404265] FS: 00007fe69ea1e580(0000) GS:[ 56.064672] lkdtm: attempting bad execution at 00007f659a91c000 ffff8f0b3ac80000(0000) knlGS:0000000000000000 # [ 53.413301] [ 56.077511] unable to execute userspace code (SMEP?) (uid: 0) [ 56.090092] BUG: unable to handle page fault for address: 00007f659a91c000 [ 56.097771] #PF: supervisor instruction fetch in kernel mode [ 56.104091] #PF: error_code(0x0011) - permissions violation [ 56.110314] PGD 8000000102751067 P4D 8000000102751067 PUD 102750067 PMD 104088067 PTE 114ad0067 [ 56.120043] Oops: 0011 [#10] SMP PTI [ 56.124024] CPU: 0 PID: 1811 Comm: cat Tainted: G D W 5.10.136-cip14 #1 [ 56.132666] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 56.139480] RIP: 0010:0x7f659a91c000 [ 56.143481] Code: Unable to access opcode bytes at RIP 0x7f659a91bfd6. [ 56.150772] RSP: 0018:ffffa7b4c25cfe50 EFLAGS: 00010246 [ 56.156607] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 [ 56.164576] RDX: 0000000000000000 RSI: ffff8f0b3ac1bf70 RDI: ffff8f0b3ac1bf70 [ 56.172547] RBP: 00007f659a91c000 R08: 0000000000000000 R09: 0000000000000000 [ 56.180528] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f [ 56.188498] R13: ffffa7b4c25cff10 R14: ffffa7b4c25cff10 R15: ffff8f0ac3265000 [ 56.196479] FS: 00007f659a8ed580(0000) GS:ffff8f0b3ac00000(0000) knlGS:0000000000000000 [ 56.205517] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.211954] CR2: 00007f659a91c000 CR3: 0000000103204005 CR4: 00000000003706f0 [ 56.219923] Call Trace: [ 56.222651] ? lkdtm_EXEC_USERSPACE.cold+0x66/0xae [ 56.228004] ? direct_entry.cold+0x2c/0x38 [ 56.232577] ? full_proxy_write+0x53/0x80 [ 56.237059] ? vfs_write+0xe7/0x3a0 [ 56.240950] ? ksys_write+0x68/0xf0 [ 56.244844] ? do_syscall_64+0x30/0x40 [ 56.249033] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 56.254863] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 56.281304] CR2: 00007f659a91c000 [ 56.285001] ---[ end trace e2f66c91d8f90f60 ]--- [ 56.290156] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 56.294527] Code: 89 ff e8 de bc 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 80 03 74 02 [ 56.315530] RSP: 0018:ffffa7b4c14afe60 EFLAGS: 00010286 [ 56.321362] RAX: ffffffff840de190 RBX: 0000000000000001 RCX: 0000000000000000 [ 56.329332] RDX: 0000000000000000 RSI: ffff8f0b3ac1bf70 RDI: ffffffff84cd9d30 [ 56.337299] RBP: ffffffff85123c60 R08: 0000000000000001 R09: 0000000000000001 [ 56.345267] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 56.353235] R13: ffffa7b4c14aff10 R14: ffffa7b4c14aff10 R15: ffff8f0ac408f000 [ 56.361204] FS: 00007f659a8ed580(0000) GS:ffff8f0b3ac00000(0000) knlGS:0000000000000000 [ 56.370243] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.376658] CR2: 00007f659a91c000 CR3: 0000000103204005 CR4: 00000000003706f0 [ 56.384628] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 56.394543] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1811, name: cat [ 56.402989] INFO: lockdep is turned off. [ 56.407364] irq event stamp: 0 [ 56.410770] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 56.417771] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 56.426899] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 56.436034] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 56.443035] CPU: 0 PID: 1811 Comm: cat Tainted: G D W 5.10.136-cip14 #1 [ 56.451685] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 56.458489] Call Trace: [ 56.461216] dump_stack+0x77/0x9b [ 56.464906] ___might_sleep.cold+0xa6/0xb6 [ 56.469485] exit_signals+0x1c/0x2e0 [ 56.473484] do_exit+0xd5/0xb00 [ 56.476987] ? ksys_write+0x68/0xf0 [ 56.480870] rewind_stack_do_exit+0x17/0x20 [ 56.485537] RIP: 0033:0x7f659a815f33 [ 56.489538] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 56.510528] RSP: 002b:00007ffede122b88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 56.518986] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 00007f659a815f33 [ 56.526957] RDX: 000000000000000f RSI: 00007f659a706000 RDI: 0000000000000001 [ 56.534925] RBP: 00007f659a706000 R08: 00007f659a705010 R09: 0000000000000000 [ 56.542893] R10: 00007f659a9101c0 R11: 0000000000000246 R12: 0000000000000001 [ 56.550863] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 53.419717] CR2: ffffffff8681e560 CR3: 0000000103c10003 CR4: 00000000003706e0 # [ 53.427686] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 53.437598] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1631, name: cat # [ 53.446053] INFO: lockdep is turned off. # [ 53.450428] irq event stamp: 0 # [ 53.453834] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 53.460835] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 53.469962] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 53.479097] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 53.486095] CPU: 1 PID: 1631 Comm: cat Tainted: G D W 5.10.136-cip14 #1 # [ 53.494745] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 53.501548] Call Trace: # [ 53.504275] dump_stack+0x77/0x9b # [ 53.507971] ___might_sleep.cold+0xa6/0xb6 # [ 53.512543] exit_signals+0x1c/0x2e0 # [ 53.516543] do_exit+0xd5/0xb00 # [ 53.520056] ? ksys_write+0x68/0xf0 # [ 53.530164] rewind_stack_do_exit+0x17/0x20 # [ 53.534832] RIP: 0033:0x7fe69e946f33 # [ 53.545033] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 53.566018] RSP: 002b:00007ffd1dfaa268 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 53.574478] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fe69e946f33 # [ 53.582448] RDX: 000000000000000a RSI: 00007fe69e837000 RDI: 0000000000000001 # [ 53.590417] RBP: 00007fe69e837000 R08: 00007fe69e836010 R09: 0000000000000000 # [ 53.598387] R10: 00007fe69ea411c0 R11: 0000000000000246 R12: 0000000000000001 # [ 53.606357] 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 # [ 53.720833] lkdtm: Performing direct entry EXEC_STACK # [ 53.731845] lkdtm: attempting ok execution at ffffffff840de560 # [ 53.744582] lkdtm: attempting bad execution at ffffa7b4c2377e18 # [ 53.[ 56.780347] lkdtm: Performing direct entry EXEC_NULL 757414] kernel tried to execute NX-protected page - exploit atte[ 56.788334] lkdtm: attempting ok execution at ffffffff840de560 mpt? (uid: 0) # [ 53.771989] BUG: unable to handle page fault[ 56.801075] lkdtm: attempting bad execution at 0000000000000000 for address: ffffa7b4c2377e18 # [ 53.779669] #PF: supervisor[ 56.813896] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 56.827886] #PF: supervisor instruction fetch in kernel mode [ 56.834206] #PF: error_code(0x0010) - not-present page [ 56.839942] PGD 0 P4D 0 [ 56.842767] Oops: 0010 [#11] SMP PTI [ 56.846749] CPU: 1 PID: 1847 Comm: cat Tainted: G D W 5.10.136-cip14 #1 [ 56.855399] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 56.862203] RIP: 0010:0x0 [ 56.865124] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. [ 56.872792] RSP: 0018:ffffa7b4c2617e48 EFLAGS: 00010246 [ 56.878625] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 56.886594] RDX: 0000000000000000 RSI: ffff8f0b3ac9bf70 RDI: ffff8f0b3ac9bf70 [ 56.894561] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 56.902531] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 56.910499] R13: ffffa7b4c2617f10 R14: ffffa7b4c2617f10 R15: ffff8f0ac51f9000 [ 56.918481] FS: 00007f0565351580(0000) GS:ffff8f0b3ac80000(0000) knlGS:0000000000000000 [ 56.927529] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.933934] CR2: ffffffffffffffd6 CR3: 00000001029c4001 CR4: 00000000003706e0 [ 56.941903] Call Trace: [ 56.944632] execute_location+0x45/0x56 instruction fetch in kernel mode # [ 53.792203] #PF: error_c[ 56.948915] direct_entry.cold+0x2c/0x38 [ 56.959522] full_proxy_write+0x53/0x80 ode(0x0011) - permissions violation # [ 53.798427] PGD 100000[ 56.963809] vfs_write+0xe7/0x3a0 [ 56.973719] ksys_write+0x68/0xf0 [ 56.977419] do_syscall_64+0x30/0x40 067 P4D 100000067 PUD 100211067 PMD 105020067 PTE 8000000103de60[ 56.981411] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 56.993264] RIP: 0033:0x7f0565279f33 [ 56.997253] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 57.018225] RSP: 002b:00007ffcb9d5a998 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 57.026669] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f0565279f33 [ 57.034639] RDX: 000000000000000a RSI: 00007f056516a000 RDI: 0000000000000001 [ 57.042604] RBP: 00007f056516a000 R08: 00007f0565169010 R09: 0000000000000000 [ 57.050571] R10: 00007f05653741c0 R11: 0000000000000246 R12: 0000000000000001 [ 57.058539] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 63 # [ 53.813691] Oops: 0011 [#6] SMP PTI # [ 53.817583] C[ 57.066533] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 57.099169] CR2: 0000000000000000 [ 57.102867] ---[ end trace e2f66c91d8f90f61 ]--- [ 57.108012] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 57.112378] Code: 89 ff e8 de bc 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 80 03 74 02 [ 57.133357] RSP: 0018:ffffa7b4c14afe60 EFLAGS: 00010286 [ 57.139182] RAX: ffffffff840de190 RBX: 0000000000000001 RCX: 0000000000000000 [ 57.147152] RDX: 0000000000000000 RSI: ffff8f0b3ac1bf70 RDI: ffffffff84cd9d30 [ 57.155119] RBP: ffffffff85123c60 R08: 0000000000000001 R09: 0000000000000001 [ 57.163087] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 57.171056] R13: ffffa7b4c14aff10 R14: ffffa7b4c14aff10 R15: ffff8f0ac408f000 [ 57.179023] FS: 00007f0565351580(0000) GS:ffff8f0b3ac80000(0000) knlGS:0000000000000000 [ 57.188059] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.194480] CR2: ffffffffffffffd6 CR3: 00000001029c4001 CR4: 00000000003706e0 PU: 1 PID: 1667 Comm: cat Tainted: G D W 5.10.136-cip14 #1 # [ 53.826233] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 53.833039] RIP: 0010:0xffffa7b4c2377e18 # [ 53.837417] Code: 00 00 18 7e 37 c2 b4 a7 ff ff 46 b5 76 84 ff ff ff ff 20 00 00 00 00 00 00 00 26 89 0c 85 ff ff ff ff 75 b6 76 84 ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 # [ 53.858405] RSP: 0018:ffffa7b4c2377df8 EFLAGS: 00010246 # [ 53.864239] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 53.872209] RDX: 0000000000000000 RSI: ffff8f0b3ac9bf70 RDI: ffff8f0b3ac9bf70 # [ 53.880180] RBP: ffffa7b4c2377e18 R08: 0000000000000000 R09: 0000000000000000 # [ 53.888152] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 53.896122] R13: ffffa7b4c2377f10 R14: ffffa7b4c2377f10 R15: ffff8f0ac2764000 # [ 53.904094] FS: 00007fad88133580(0000) GS:ffff8f0b3ac80000(0000) knlGS:0000000000000000 # [ 53.913124] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 53.919540] CR2: ffffa7b4c2377e18 CR3: 000000010543e002 CR4: 00000000003706e0 # [ 53.927533] Call Trace: # [ 53.930262] ? execute_location+0x45/0x56 # [ 53.934739] ? lkdtm_EXEC_STACK+0x26/0x44 # [ 53.945430] ? direct_entry.cold+0x2c/0x38 # [ 53.950004] ? full_proxy_write+0x53/0x80 # [ 53.954485] ? vfs_write+0xe7/0x3a0 # [ 53.964590] ? ksys_write+0x68/0xf0 # [ 53.968484] ? do_syscall_64+0x30/0x40 # [ 53.972671] ? entry_SYSCALL_64_after_hw[ 57.349691] lkdtm: Performing direct entry ACCESS_USERSPACE frame+0x61/0xc6 # [ 53.984723] Modules linked in: fuse ip_tab[ 57.358013] lkdtm: attempting bad read at 00007fb9d061c000 les cros_ec_sensors cros_ec_sensors_core industrialio_triggered_[ 57.370362] BUG: unable to handle page fault for address: 00007fb9d061c000 [ 57.384250] #PF: supervisor read access in kernel mode [ 57.389987] #PF: error_code(0x0001) - permissions violation [ 57.396208] PGD 8000000103501067 P4D 8000000103501067 PUD 103dd2067 PMD 103d77067 PTE 115231067 buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar c[ 57.405933] Oops: 0001 [#12] SMP PTI [ 57.416136] CPU: 1 PID: 1882 Comm: cat Tainted: G D W 5.10.136-cip14 #1 [ 57.424786] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 57.431590] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 ros_ec_chardev cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_ther[ 57.437815] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 90 98 0c 85 e8 19 9a fd ff 48 c7 c7 b8 98 0c 85 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 00 9a fd ff 48 89 ee 48 c7 c7 e0 98 0c [ 57.465015] RSP: 0018:ffffa7b4c26c7e48 EFLAGS: 00010246 [ 57.470842] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 [ 57.478810] RDX: 0000000000000000 RSI: ffff8f0b3ac9bf70 RDI: ffffffff850c98b8 [ 57.486781] RBP: 00007fb9d061c000 R08: 0000000000000000 R09: 0000000000000000 [ 57.494752] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 [ 57.502723] R13: ffffa7b4c26c7f10 R14: ffffa7b4c26c7f10 R15: ffff8f0ac52d9000 [ 57.510695] FS: 00007fb9d05ed580(0000) GS:ffff8f0b3ac80000(0000) knlGS:0000000000000000 [ 57.519724] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.526140] CR2: 00007fb9d061c000 CR3: 0000000102644001 CR4: 00000000003706e0 [ 57.534110] Call Trace: [ 57.536838] direct_entry.cold+0x2c/0x38 mal cros_ec_dev cros_usbpd_notify # [ 54.017369] CR2: ffffa7b[ 57.541219] full_proxy_write+0x53/0x80 [ 57.551712] vfs_write+0xe7/0x3a0 4c2377e18 # [ 54.021068] ---[ end trace e2f66c91d8f90f5c ]---[ 57.555411] ksys_write+0x68/0xf0 [ 57.565325] do_syscall_64+0x30/0x40 # [ 54.026224] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 54.030602[ 57.569316] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 57.581171] RIP: 0033:0x7fb9d0515f33 [ 57.585151] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 57.606136] RSP: 002b:00007fff52c23638 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 57.614592] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007fb9d0515f33 [ 57.622562] RDX: 0000000000000011 RSI: 00007fb9d0406000 RDI: 0000000000000001 [ 57.630531] RBP: 00007fb9d0406000 R08: 00007fb9d0405010 R09: 0000000000000000 [ 57.638501] R10: 00007fb9d06101c0 R11: 0000000000000246 R12: 0000000000000001 [ 57.646480] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ] Code: 89 ff e8 de bc a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0[ 57.654472] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 57.687117] CR2: 00007fb9d061c000 [ 57.690805] ---[ end trace e2f66c91d8f90f62 ]--- [ 57.695962] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 57.700337] Code: 89 ff e8 de bc 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 80 03 74 02 [ 57.721322] RSP: 0018:ffffa7b4c14afe60 EFLAGS: 00010286 [ 57.727147] RAX: ffffffff840de190 RBX: 0000000000000001 RCX: 0000000000000000 [ 57.735116] RDX: 0000000000000000 RSI: ffff8f0b3ac1bf70 RDI: ffffffff84cd9d30 [ 57.743087] RBP: ffffffff85123c60 R08: 0000000000000001 R09: 0000000000000001 [ 57.751056] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 57.759026] R13: ffffa7b4c14aff10 R14: ffffa7b4c14aff10 R15: ffff8f0ac408f000 [ 57.766997] FS: 00007fb9d05ed580(0000) GS:ffff8f0b3ac80000(0000) knlGS:0000000000000000 [ 57.776036] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.782443] CR2: 00007fb9d061c000 CR3: 0000000102644001 CR4: 00000000003706e0 [ 57.790414] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 57.800328] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1882, name: cat [ 57.808784] INFO: lockdep is turned off. [ 57.813161] irq event stamp: 0 [ 57.816568] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 57.823567] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 57.832702] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 57.841836] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 57.848836] CPU: 1 PID: 1882 Comm: cat Tainted: G D W 5.10.136-cip14 #1 [ 57.857482] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 57.864288] Call Trace: [ 57.867017] dump_stack+0x77/0x9b [ 57.870716] ___might_sleep.cold+0xa6/0xb6 [ 57.875289] exit_signals+0x1c/0x2e0 [ 57.879279] do_exit+0xd5/0xb00 [ 57.882783] ? ksys_write+0x68/0xf0 [ 57.886667] rewind_stack_do_exit+0x17/0x20 [ 57.891334] RIP: 0033:0x7fb9d0515f33 [ 57.895323] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 57.916309] RSP: 002b:00007fff52c23638 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 57.924766] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007fb9d0515f33 [ 57.932736] RDX: 0000000000000011 RSI: 00007fb9d0406000 RDI: 0000000000000001 [ 57.940706] RBP: 00007fb9d0406000 R08: 00007fb9d0405010 R09: 0000000000000000 [ 57.948675] R10: 00007fb9d06101c0 R11: 0000000000000246 R12: 0000000000000001 [ 57.956647] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 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 80 03 74 02 # [ 54.051588] RSP: 0018:ffffa7b4c14afe60 EFLAGS: 00010286 # [ 54.057421] RAX: ffffffff840de190 RBX: 0000000000000001 RCX: 0000000000000000 # [ 54.065391] RDX: 0000000000000000 RSI: ffff8f0b3ac1bf70 RDI: ffffffff84cd9d30 # [ 54.073362] RBP: ffffffff85123c60 R08: 0000000000000001 R09: 0000000000000001 # [ 54.081333] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 54.089302] R13: ffffa7b4c14aff10 R14: ffffa7b4c14aff10 R15: ffff8f0ac408f000 # [ 54.097274] FS: 00007fad88133580(0000) GS:ffff8f0b3ac80000(0000) knlGS:0000000000000000 # [ 54.106314] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.112730] CR2: ffffa7b4c2377e18 CR3: 000000010543e002 CR4: 00000000003706e0 # [ 54.120702] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 54.130616] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1667, name: cat # [ 54.139072] INFO: lockdep is turned off. # [ 54.143449] irq event stamp: 0 # [ 54.146880] hardirqs last enabled at (0): [<0000000000000000>] 0x[ 58.078200] lkdtm: Performing direct entry ACCESS_NULL 0 # [ 54.153882] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 54.163019] softirqs las[ 58.100804] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 58.114789] #PF: supervisor read access in kernel mode [ 58.120526] #PF: error_code(0x0000) - not-present page [ 58.126261] PGD 0 P4D 0 t enabled at (0): [] copy_process+0x640/0x1c8[ 58.129088] Oops: 0000 [#13] SMP PTI [ 58.139292] CPU: 1 PID: 1917 Comm: cat Tainted: G D W 5.10.136-cip14 #1 0 # [ 54.172153] softirqs last disabled at (0): [<00000000000[ 58.147946] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 58.160970] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 00000>] 0x0 # [ 54.179152] CPU: 1 PID: 1667 Comm: cat Tainted[ 58.166222] Code: bd 99 fd ff be 00 10 00 00 48 89 ef e8 30 b9 39 ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 90 98 0c 85 e8 97 99 fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 b8 98 0c 85 48 01 [ 58.193422] RSP: 0018:ffffa7b4c271fe58 EFLAGS: 00010246 [ 58.199248] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 [ 58.207220] RDX: 0000000000000000 RSI: ffff8f0b3ac9bf70 RDI: ffff8f0b3ac9bf70 [ 58.215184] RBP: ffffffff850c8981 R08: 0000000000000000 R09: 0000000000000000 [ 58.223153] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 58.231123] R13: ffffa7b4c271ff10 R14: ffffa7b4c271ff10 R15: ffff8f0ac329d000 [ 58.239093] FS: 00007f90ef381580(0000) GS:ffff8f0b3ac80000(0000) knlGS:0000000000000000 [ 58.248133] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.254549] CR2: 0000000000000000 CR3: 000000010538c001 CR4: 00000000003706e0 [ 58.262531] Call Trace: [ 58.265251] direct_entry.cold+0x2c/0x38 : G D W 5.10.136-cip14 #1 # [ 54.187802] Hardwar[ 58.269631] full_proxy_write+0x53/0x80 [ 58.280124] vfs_write+0xe7/0x3a0 e name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 54.194607][ 58.283823] ksys_write+0x68/0xf0 [ 58.293736] do_syscall_64+0x30/0x40 Call Trace: # [ 54.197335] dump_stack+0x77/0x9b # [ 54.2[ 58.297727] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 58.309581] RIP: 0033:0x7f90ef2a9f33 [ 58.313569] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 58.334556] RSP: 002b:00007ffd2a5cb2d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 58.343014] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f90ef2a9f33 [ 58.350984] RDX: 000000000000000c RSI: 00007f90ef19a000 RDI: 0000000000000001 [ 58.358956] RBP: 00007f90ef19a000 R08: 00007f90ef199010 R09: 0000000000000000 [ 58.366927] R10: 00007f90ef3a41c0 R11: 0000000000000246 R12: 0000000000000001 [ 58.374896] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 01035] ___might_sleep.cold+0xa6/0xb6 # [ 54.205609] exit_si[ 58.382870] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 58.415530] CR2: 0000000000000000 [ 58.419219] ---[ end trace e2f66c91d8f90f63 ]--- [ 58.424375] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 58.428754] Code: 89 ff e8 de bc 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 80 03 74 02 [ 58.449739] RSP: 0018:ffffa7b4c14afe60 EFLAGS: 00010286 [ 58.455573] RAX: ffffffff840de190 RBX: 0000000000000001 RCX: 0000000000000000 [ 58.463546] RDX: 0000000000000000 RSI: ffff8f0b3ac1bf70 RDI: ffffffff84cd9d30 [ 58.471528] RBP: ffffffff85123c60 R08: 0000000000000001 R09: 0000000000000001 [ 58.479497] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 58.487481] R13: ffffa7b4c14aff10 R14: ffffa7b4c14aff10 R15: ffff8f0ac408f000 [ 58.495452] FS: 00007f90ef381580(0000) GS:ffff8f0b3ac80000(0000) knlGS:0000000000000000 [ 58.504529] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.510946] CR2: 0000000000000000 CR3: 000000010538c001 CR4: 00000000003706e0 gnals+0x1c/0x2e0 # [ 54.209600] do_exit+0xd5/0xb00 # [ 54.213094] ? ksys_write+0x68/0xf0 # [ 54.216988] rewind_stack_do_exit+0x17/0x20 # [ 54.221658] RIP: 0033:0x7fad8805bf33 # [ 54.231860] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 54.252847] RSP: 002b:00007ffc4195f688 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 54.261303] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007fad8805bf33 # [ 54.269272] RDX: 000000000000000b RSI: 00007fad87f4c000 RDI: 0000000000000001 # [ 54.277243] RBP: 00007fad87f4c000 R08: 00007fad87f4b010 R09: 0000000000000000 # [ 54.285215] R10: 00007fad881561c0 R11: 0000000000000246 R12: 0000000000000001 # [ 54.293184] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_STACK: saw 'call trace:': ok ok 31 selftests: lkdtm: EXEC_STACK.sh # selftests: lkdtm: EXEC_KMALLOC.sh # Killed # [ 54.465214] lkdtm: Performing direct entry EXEC_KMALLOC # [ 54.474810] lkdtm: attempting ok execution a[ 58.630224] lkdtm: Performing direct entry WRITE_RO t ffffffff840de560 # [ 54.481337] lkdtm: attempting bad execu[ 58.636269] lkdtm: attempting bad rodata write at ffffffff84cda1b0 tion at ffff8f0ac2797c40 # [ 54.487965] kernel tried to execu[ 58.649432] BUG: unable to handle page fault for address: ffffffff84cda1b0 [ 58.663274] #PF: supervisor write access in kernel mode [ 58.669100] #PF: error_code(0x0003) - permissions violation [ 58.675325] PGD 65829067 P4D 65829067 PUD 6582a063 PMD 80000000652000e1 [ 58.682811] Oops: 0003 [#14] SMP PTI [ 58.686801] CPU: 0 PID: 1952 Comm: cat Tainted: G D W 5.10.136-cip14 #1 [ 58.695450] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 58.702257] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a [ 58.707223] Code: 00 48 c7 c7 70 97 0c 85 48 c7 c6 b0 a1 cd 84 e8 41 9c fd ff 48 8b 05 3a ec 56 00 ba 34 12 cd ab 48 c7 c7 a0 97 0c 85 48 31 d0 <48> 89 05 24 ec 56 00 e9 1f 9c fd ff 0f 1f 44 00 00 48 8b 05 8b ad [ 58.728212] RSP: 0018:ffffa7b4c27c7e60 EFLAGS: 00010202 [ 58.734045] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 [ 58.742017] RDX: 00000000abcd1234 RSI: ffff8f0b3ac1bf70 RDI: ffffffff850c97a0 [ 58.749988] RBP: ffffffff850c898d R08: 0000000000000000 R09: 0000000000000000 [ 58.757957] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 [ 58.765929] R13: ffffa7b4c27c7f10 R14: ffffa7b4c27c7f10 R15: ffff8f0ac40d0000 [ 58.773902] FS: 00007f7711833580(0000) GS:ffff8f0b3ac00000(0000) knlGS:0000000000000000 [ 58.782942] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.789358] CR2: ffffffff84cda1b0 CR3: 00000001035dc003 CR4: 00000000003706f0 [ 58.797330] Call Trace: [ 58.800058] direct_entry.cold+0x2c/0x38 [ 58.804442] full_proxy_write+0x53/0x80 [ 58.808730] vfs_write+0xe7/0x3a0 [ 58.812434] ksys_write+0x68/0xf0 [ 58.816134] do_syscall_64+0x30/0x40 [ 58.820129] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 58.825761] RIP: 0033:0x7f771175bf33 [ 58.829751] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 58.850738] RSP: 002b:00007fff50a0e0e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 58.859186] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f771175bf33 [ 58.867154] RDX: 0000000000000009 RSI: 00007f771164c000 RDI: 0000000000000001 [ 58.875125] RBP: 00007f771164c000 R08: 00007f771164b010 R09: 0000000000000000 [ 58.883098] R10: 00007f77118561c0 R11: 0000000000000246 R12: 0000000000000001 [ 58.891069] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 58.899045] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 58.925491] CR2: ffffffff84cda1b0 [ 58.929189] ---[ end trace e2f66c91d8f90f64 ]--- [ 58.934345] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 58.938714] Code: 89 ff e8 de bc 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 80 03 74 02 [ 58.959701] RSP: 0018:ffffa7b4c14afe60 EFLAGS: 00010286 [ 58.965526] RAX: ffffffff840de190 RBX: 0000000000000001 RCX: 0000000000000000 [ 58.973497] RDX: 0000000000000000 RSI: ffff8f0b3ac1bf70 RDI: ffffffff84cd9d30 [ 58.981467] RBP: ffffffff85123c60 R08: 0000000000000001 R09: 0000000000000001 [ 58.989440] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 58.997404] R13: ffffa7b4c14aff10 R14: ffffa7b4c14aff10 R15: ffff8f0ac408f000 [ 59.005367] FS: 00007f7711833580(0000) GS:ffff8f0b3ac00000(0000) knlGS:0000000000000000 [ 59.014406] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.020823] CR2: ffffffff84cda1b0 CR3: 00000001035dc003 CR4: 00000000003706f0 [ 59.028785] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 59.038700] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1952, name: cat [ 59.047156] INFO: lockdep is turned off. [ 59.051534] irq event stamp: 0 [ 59.054939] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 59.061941] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 59.071079] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 59.080207] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 59.087208] CPU: 0 PID: 1952 Comm: cat Tainted: G D W 5.10.136-cip14 #1 [ 59.095860] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 59.102665] Call Trace: [ 59.105393] dump_stack+0x77/0x9b [ 59.109092] ___might_sleep.cold+0xa6/0xb6 [ 59.113656] exit_signals+0x1c/0x2e0 [ 59.117647] do_exit+0xd5/0xb00 [ 59.121151] ? ksys_write+0x68/0xf0 [ 59.125045] rewind_stack_do_exit+0x17/0x20 [ 59.129720] RIP: 0033:0x7f771175bf33 [ 59.133700] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 59.154687] RSP: 002b:00007fff50a0e0e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 59.163145] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f771175bf33 [ 59.171116] RDX: 0000000000000009 RSI: 00007f771164c000 RDI: 0000000000000001 [ 59.179087] RBP: 00007f771164c000 R08: 00007f771164b010 R09: 0000000000000000 [ 59.187059] R10: 00007f77118561c0 R11: 0000000000000246 R12: 0000000000000001 [ 59.195029] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 te NX-protected page - exploit attempt? (uid: 0) # [ 54.496329] BUG: unable to handle page fault for address: ffff8f0ac2797c40 # [ 54.504000] #PF: supervisor instruction fetch in kernel mode # [ 54.510320] #PF: error_code(0x0011) - permissions violation # [ 54.516543] PGD 67001067 P4D 67001067 PUD 10084e063 PMD 105632063 PTE 8000000102797163 # [ 54.525391] Oops: 0011 [#7] SMP PTI # [ 54.529282] CPU: 2 PID: 1703 Comm: cat Tainted: G D W 5.10.136-cip14 #1 # [ 54.537932] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 54.544739] RIP: 0010:0xffff8f0ac2797c40 # [ 54.549117] Code: 00 00 02 00 00 00 00 00 00 00 c0 d2 64 c2 0a 8f ff ff 03 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 94 2a ec 83 ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 # [ 54.570104] RSP: 0018:ffffa7b4c2417e38 EFLAGS: 00010246 # [ 54.575931] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 54.583902] RDX: 0000000000000000 RSI: ffff8f0b3ad1bf70 RDI: ffff8f0b3ad1bf70 # [ 54.591864] RBP: ffff8f0ac2797c40 R08: 0000000000000000 R09: 0000000000000000 # [ 54.599834] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 54.607806] R13: ffffa7b4c2417f10 R14: ffffa7b4c2417f10 R15: ffff8f0ac6586000 # [ 54.615778] FS: 00007fac9b52b580(0000) GS:ffff8f0b3ad00000(0000) knlGS:0000000000000000 # [ 54.624817] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.631234] CR2: ffff8f0ac2797c40 CR3: 0000000103470001 CR4: 00000000003706e0 # [ 54.639205] Call Trace: # [ 54.64193[ 59.352584] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT [ 59.365030] lkdtm: attempting bad ro_after_init write at ffffffff85146328 [ 59.372632] BUG: unable to handle page fault for address: ffffffff85146328 [ 59.380317] #PF: supervisor write access in kernel mode [ 59.386152] #PF: error_code(0x0003) - permissions violation 5][ ? execute_location+0x45/0x56 # [ 54.646411] ? lkdtm_EXEC 59.392375] PGD 65829067 P4D 65829067 PUD 6582a063 PMD 105084063 PTE 8000000065746061 [ 59.407347] Oops: 0003 [#15] SMP PTI [ 59.411336] CPU: 2 PID: 1987 Comm: cat Tainted: G D W 5.10.136-cip14 #1 [ 59.419988] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 59.426796] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a [ 59.432825] Code: 97 0c 85 e9 f3 9b fd ff 48 c7 c7 f8 97 0c 85 e8 e7 9b fd ff 48 8b 05 58 ad 9d 00 ba 34 12 cd ab 48 c7 c7 a0 97 0c 85 48 31 d0 <48> 89 05 42 ad 9d 00 e9 c5 9b fd ff 0f 1f 44 00 00 41 54 48 c7 c7 [ 59.453809] RSP: 0018:ffffa7b4c284fe60 EFLAGS: 00010202 [ 59.459636] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 [ 59.467605] RDX: 00000000abcd1234 RSI: ffff8f0b3ad1bf70 RDI: ffffffff850c97a0 [ 59.475575] RBP: ffffffff850c8996 R08: 0000000000000000 R09: 0000000000000000 [ 59.483544] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 [ 59.491528] R13: ffffa7b4c284ff10 R14: ffffa7b4c284ff10 R15: ffff8f0ac5761000 [ 59.499496] FS: 00007f1598a00580(0000) GS:ffff8f0b3ad00000(0000) knlGS:0000000000000000 [ 59.508533] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.514948] CR2: ffffffff85146328 CR3: 00000001035dc004 CR4: 00000000003706e0 [ 59.522917] Call Trace: [ 59.525646] direct_entry.cold+0x2c/0x38 [ 59.530027] full_proxy_write+0x53/0x80 [ 59.534309] vfs_write+0xe7/0x3a0 [ 59.538007] ksys_write+0x68/0xf0 [ 59.541705] do_syscall_64+0x30/0x40 [ 59.545695] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 59.551333] RIP: 0033:0x7f1598928f33 [ 59.555321] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 59.576305] RSP: 002b:00007ffd37100f38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 59.584760] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f1598928f33 [ 59.592729] RDX: 0000000000000014 RSI: 00007f1598819000 RDI: 0000000000000001 [ 59.600698] RBP: 00007f1598819000 R08: 00007f1598818010 R09: 0000000000000000 [ 59.608668] R10: 00007f1598a231c0 R11: 0000000000000246 R12: 0000000000000001 [ 59.616638] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 59.624614] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify _KMALLOC+0x2c/0x40 # [ 54.651079] ? direct_entry.cold+0x2c/0[ 59.651065] CR2: ffffffff85146328 [ 59.660976] ---[ end trace e2f66c91d8f90f65 ]--- [ 59.666122] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 59.670499] Code: 89 ff e8 de bc 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 80 03 74 02 [ 59.691485] RSP: 0018:ffffa7b4c14afe60 EFLAGS: 00010286 [ 59.697320] RAX: ffffffff840de190 RBX: 0000000000000001 RCX: 0000000000000000 [ 59.705283] RDX: 0000000000000000 RSI: ffff8f0b3ac1bf70 RDI: ffffffff84cd9d30 [ 59.713253] RBP: ffffffff85123c60 R08: 0000000000000001 R09: 0000000000000001 [ 59.721222] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 59.729193] R13: ffffa7b4c14aff10 R14: ffffa7b4c14aff10 R15: ffff8f0ac408f000 [ 59.737154] FS: 00007f1598a00580(0000) GS:ffff8f0b3ad00000(0000) knlGS:0000000000000000 [ 59.746193] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.752609] CR2: ffffffff85146328 CR3: 00000001035dc004 CR4: 00000000003706e0 x38 # [ 54.655654] ? full_proxy_write+0x53/0x80 # [ 54.660131] ? vfs_write+0xe7/0x3a0 # [ 54.664023] ? ksys_write+0x68/0xf0 # [ 54.667917] ? do_syscall_64+0x30/0x40 # [ 54.672100] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 54.677940] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 54.704400] CR2: ffff8f0ac2797c40 # [ 54.714311] ---[ end trace e2f66c91d8f90f5d ]--- # [ 54.719479] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 54.723858] Code: 89 ff e8 de bc 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 80 03 74 02 # [ 54.744838] RSP: 0018:ffffa7b4c14afe60 EFLAGS: 00010286 # [ 54.750663] RAX: ffffffff840de190 RBX: 0000000000000001 RCX: 0000000000000000 # [ 54.758634] RDX: 0000000000000000 RSI: ffff8f0b3ac1bf70 RDI: ffffffff84cd9d30 # [ 54.766606] RBP: ffffffff85123c60 R08: 0000000000000001 R09: 0000000000000001 # [ 54.774578] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ [ 59.883685] lkdtm: Performing direct entry WRITE_KERN 54.782548] R13: ffffa7b4c14aff10 R14: ffffa7b4c14aff10 R15: ff[ 59.890592] lkdtm: attempting bad 6868880 byte write at ffffffff8476b4f0 ff8f0ac408f000 # [ 54.790534] FS: 00007fac9b52b580(0000) GS:[ 59.904311] BUG: unable to handle page fault for address: ffffffff8476b4f0 [ 59.918180] #PF: supervisor write access in kernel mode [ 59.924015] #PF: error_code(0x0003) - permissions violation [ 59.930237] PGD 65829067 P4D 65829067 PUD 6582a063 PMD 64c000e1 [ 59.936955] Oops: 0003 [#16] SMP PTI [ 59.940945] CPU: 0 PID: 2022 Comm: cat Tainted: G D W 5.10.136-cip14 #1 [ 59.949586] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 59.956391] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e [ 59.961550] Code: 53 48 c7 c3 f0 b4 76 84 49 89 dc 48 89 da 49 81 ec 60 e5 0d 84 4c 89 e6 e8 9a 9b fd ff 48 89 df 4c 89 e1 48 c7 c6 60 e5 0d 84 a4 48 c7 c7 a0 97 0c 85 e8 7f 9b fd ff 5b 41 5c e9 b7 fe ff ff [ 59.982532] RSP: 0018:ffffa7b4c28c7e50 EFLAGS: 00010246 [ 59.988357] RAX: 000000000000003c RBX: ffffffff8476b4f0 RCX: 000000000068cf90 [ 59.996326] RDX: 0000000000000000 RSI: ffffffff840de560 RDI: ffffffff8476b4f0 [ 60.004294] RBP: ffffffff850c89aa R08: 0000000000000000 R09: 0000000000000000 [ 60.012263] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000068cf90 [ 60.020232] R13: ffffa7b4c28c7f10 R14: ffffa7b4c28c7f10 R15: ffff8f0ac3203000 [ 60.028200] FS: 00007f6d3008c580(0000) GS:ffff8f0b3ac00000(0000) knlGS:0000000000000000 [ 60.037227] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.043640] CR2: ffffffff8476b4f0 CR3: 000000010357e005 CR4: 00000000003706f0 [ 60.051605] Call Trace: [ 60.054332] direct_entry.cold+0x2c/0x38 [ 60.058717] full_proxy_write+0x53/0x80 [ 60.063003] vfs_write+0xe7/0x3a0 [ 60.066701] ksys_write+0x68/0xf0 [ 60.070398] do_syscall_64+0x30/0x40 [ 60.074393] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 60.080023] RIP: 0033:0x7f6d2ffb4f33 [ 60.084011] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 60.104988] RSP: 002b:00007ffe88aa8aa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 60.113444] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f6d2ffb4f33 [ 60.121411] RDX: 000000000000000b RSI: 00007f6d2fea5000 RDI: 0000000000000001 [ 60.129376] RBP: 00007f6d2fea5000 R08: 00007f6d2fea4010 R09: 0000000000000000 [ 60.137345] R10: 00007f6d300af1c0 R11: 0000000000000246 R12: 0000000000000001 [ 60.145312] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 60.153283] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 60.179718] CR2: ffffffff8476b4f0 [ 60.183405] ---[ end trace e2f66c91d8f90f66 ]--- [ 60.188558] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 60.192934] Code: 89 ff e8 de bc 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 80 03 74 02 [ 60.213914] RSP: 0018:ffffa7b4c14afe60 EFLAGS: 00010286 [ 60.219738] RAX: ffffffff840de190 RBX: 0000000000000001 RCX: 0000000000000000 [ 60.227706] RDX: 0000000000000000 RSI: ffff8f0b3ac1bf70 RDI: ffffffff84cd9d30 [ 60.235675] RBP: ffffffff85123c60 R08: 0000000000000001 R09: 0000000000000001 [ 60.243641] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 60.251610] R13: ffffa7b4c14aff10 R14: ffffa7b4c14aff10 R15: ffff8f0ac408f000 [ 60.259577] FS: 00007f6d3008c580(0000) GS:ffff8f0b3ac00000(0000) knlGS:0000000000000000 [ 60.268613] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.275028] CR2: ffffffff8476b4f0 CR3: 000000010357e005 CR4: 00000000003706f0 [ 60.282995] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 60.292905] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 2022, name: cat [ 60.301358] INFO: lockdep is turned off. [ 60.305734] irq event stamp: 0 [ 60.309139] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 60.316140] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 60.325274] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 60.334407] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 60.341404] CPU: 0 PID: 2022 Comm: cat Tainted: G D W 5.10.136-cip14 #1 [ 60.350050] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 60.356851] Call Trace: [ 60.359580] dump_stack+0x77/0x9b [ 60.363278] ___might_sleep.cold+0xa6/0xb6 [ 60.367850] exit_signals+0x1c/0x2e0 [ 60.371839] do_exit+0xd5/0xb00 [ 60.375340] ? ksys_write+0x68/0xf0 [ 60.379232] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 [ 60.384678] rewind_stack_do_exit+0x17/0x20 [ 60.389346] RIP: 0033:0x7f6d2ffb4f33 [ 60.393333] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 60.414319] RSP: 002b:00007ffe88aa8aa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 60.422774] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f6d2ffb4f33 [ 60.430741] RDX: 000000000000000b RSI: 00007f6d2fea5000 RDI: 0000000000000001 [ 60.438712] RBP: 00007f6d2fea5000 R08: 00007f6d2fea4010 R09: 0000000000000000 [ 60.446679] R10: 00007f6d300af1c0 R11: 0000000000000246 R12: 0000000000000001 [ 60.454649] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ffff8f0b3ad00000(0000) knlGS:0000000000000000 # [ 54.799575] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.805992] CR2: ffff8f0ac2797c40 CR3: 0000000103470001 CR4: 00000000003706e0 # EXEC_KMALLOC: saw 'call trace:': ok ok 32 selftests: lkdtm: EXEC_KMALLOC.sh # selftests: lkdtm: EXEC_VMALLOC.sh # Killed # [ 54.927533] lkdtm: Performing direct entry EXEC_VMALLOC # [ 54.937956] lkdtm: attempting ok execution at ffffffff840de560 # [ 54.944483] lkdtm: attempting bad execution at ffffa7b4c06e3000 # [ 54.957334] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 54.965697] BUG: unable to handle page fault for address: ffffa7b4c06e3000 # [ 54.979594] #PF: supervisor instruction fetch in kernel mode # [ 54.985917] #PF: error_code(0x0011) - permissions violation # [ 54.992139] PGD 100000067 P4D 100000067 PUD 100211067 PMD 10563b067 PTE 800000010572e063 # [ 55.007401] Oops: 0011 [#8] SMP PTI # [ 55.011295] CPU: 3 PID: 1739 Comm: cat Tainted: G D W 5.10.136-cip14 #1 # [ 55.019947] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 55.026755] RIP: 0010:0xffffa7b4c06e3000 # [ 55.031133] Code: Unable to access opcode bytes at RIP 0xffffa7b4c06e2fd6. # [ 55.038814] RSP: 0018:ffffa7b4c249fe38 EFLAGS: 00010246 # [ 55.044650] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 55.052620] RDX: 0000000000000000 RSI: ffff8f0b3ad9bf70 RDI: ffff8f0b3ad9bf70 # [ 55.060590] RBP: ffffa7b4c06e3000 R08: 0000000000000000 R09: 0000000000000000 # [ 55.068559] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 55.076535] R13: ffffa7b4c249ff10 R14: ffffa7b4c249ff10 R15: ffff8f0ac572e000 # [ 55.084506] FS: 00007fcadc5c7580(0000) GS:ffff8f0b3ad80000(0000) knlGS:0000000000000000 # [ 55.093591] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.100010] CR2: ffffa7b4c06e2fd6 CR3: 0000000102960002 CR4: 00000000003706e0[ 60.652630] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 55.107979] Call Trace: # [ 55.110708] ? execute_loca[ 60.662037] lkdtm: attempting good refcount_inc() without overflow tion+0x45/0x56 # [ 55.115183] ? lkdtm_EXEC_VMALLOC+0x20/0x30[ 60.675164] lkdtm: attempting bad refcount_inc() overflow [ 60.687408] ------------[ cut here ]------------ # [ 55.119844] ? direct_entry.cold+0x2c/0x38 # [ 55.1244[ 60.692564] refcount_t: saturated; leaking memory. 09] ? full_proxy_write+0x53/0x80 # [ 55.128886] ? vfs_write[ 60.704136] WARNING: CPU: 1 PID: 2057 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 +0xe7/0x3a0 # [ 55.132778] ? ksys_write+0x68/0xf0 # [ 55.[ 60.719767] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 136672] ? do_syscall_64+0x30/0x40 # [ 55.140855] ? entry_SY[ 60.752401] CPU: 1 PID: 2057 Comm: cat Tainted: G D W 5.10.136-cip14 #1 SCALL_64_after_hwframe+0x61/0xc6 # [ 55.146691] Modules linke[ 60.767271] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 d in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core indust[ 60.780291] RIP: 0010:refcount_warn_saturate+0x51/0x110 rialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs c[ 60.792342] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d ce 53 74 01 00 75 ee 48 c7 c7 90 43 06 85 c6 05 be 53 74 01 01 e8 67 62 98 00 <0f> 0b c3 cc cc cc cc 80 3d aa 53 74 01 00 75 cb 48 c7 c7 b8 43 06 ros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub [ 60.819538] RSP: 0018:ffffa7b4c2967e48 EFLAGS: 00010286 x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 55.173[ 60.831589] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 152] CR2: ffffa7b4c06e3000 # [ 55.183062] ---[ end trace e2f6[ 60.845773] RDX: ffff8f0b3acac660 RSI: ffff8f0b3ac9bf70 RDI: ffff8f0b3ac9bf70 6c91d8f90f5e ]--- # [ 55.188216] RIP: 0010:lkdtm_BUG+0x5/0x10[ 60.859962] RBP: ffffffff850c89b5 R08: 0000000000000000 R09: 0000000000000000 # [ 55.192595] Code: 89 ff e8 de bc a3 ff 48 c7 c0 ea ff ff [ 60.874147] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff f[ 60.888337] R13: ffffa7b4c2967f10 R14: ffffa7b4c2967f10 R15: ffff8f0ac5766000 f eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f [ 60.902520] FS: 00007f00f418e580(0000) GS:ffff8f0b3ac80000(0000) knlGS:0000000000000000 44 00 00 83 05 80 03 74 02 # [ 55.213582] RSP: 0018:ffffa7b4c[ 60.917774] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 14afe60 EFLAGS: 00010286 # [ 55.219416] RAX: ffffffff840de190[ 60.930407] CR2: 00007f00f3fa7000 CR3: 0000000105634003 CR4: 00000000003706e0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 55.227386] R[ 60.944595] Call Trace: DX: 0000000000000000 RSI: ffff8f0b3ac1bf70 RDI: ffffffff84cd9d30[ 60.953540] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 # [ 55.235356] RBP: ffffffff85123c60 R08: 0000000000000001 R[ 60.965106] direct_entry.cold+0x2c/0x38 09: 0000000000000001 # [ 55.243326] R10: 00000000ffffe000 R11[ 60.975699] full_proxy_write+0x53/0x80 : 3fffffffffffffff R12: 0000000000000004 # [ 55.251295] R13: [ 60.986197] vfs_write+0xe7/0x3a0 ffffa7b4c14aff10 R14: ffffa7b4c14aff10 R15: ffff8f0ac408f000 # [ 60.996121] ksys_write+0x68/0xf0 [ 55.259267] FS: 00007fcadc5c7580(0000) GS:ffff8f0b3ad80000(0[ 61.006032] do_syscall_64+0x30/0x40 000) knlGS:0000000000000000 # [ 55.268307] CS: 0010 DS: 0000[ 61.016229] entry_SYSCALL_64_after_hwframe+0x61/0xc6 ES: 0000 CR0: 0000000080050033 # [ 55.274725] CR2: ffffa7b4c[ 61.028085] RIP: 0033:0x7f00f40b6f33 06e2fd6 CR3: 0000000102960002 CR4: 00000000003706e0 # [ 55.28[ 61.038288] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 2696] BUG: sleeping function called from invalid context at incl[ 61.065483] RSP: 002b:00007fff08de6b28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 ude/linux/percpu-rwsem.h:49 # [ 55.292610] in_atomic(): 0, ir[ 61.080153] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f00f40b6f33 qs_disabled(): 1, non_block: 0, pid: 1739, name: cat # [ 55.3[ 61.094341] RDX: 0000000000000016 RSI: 00007f00f3fa7000 RDI: 0000000000000001 01067] INFO: lockdep is turned off. # [ 55.305444] irq event [ 61.108528] RBP: 00007f00f3fa7000 R08: 00007f00f3fa6010 R09: 0000000000000000 stamp: 0 # [ 55.308842] hardirqs last enabled at (0): [<0000[ 61.122716] R10: 00007f00f41b11c0 R11: 0000000000000246 R12: 0000000000000001 000000000000>] 0x0 # [ 55.315835] hardirqs last disabled at ([ 61.136904] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0): [] copy_process+0x640/0x1c80 # [ 55.324[ 61.151099] irq event stamp: 0 972] softirqs last enabled at (0): [] copy_pr[ 61.160722] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ocess+0x640/0x1c80 # [ 55.334107] softirqs last disabled at ([ 61.173941] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 0): [<0000000000000000>] 0x0 # [ 55.341106] CPU: 3 PID: 1739 [ 61.189297] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 Comm: cat Tainted: G D W 5.10.136-cip14 #1 # [ 5[ 61.204652] softirqs last disabled at (0): [<0000000000000000>] 0x0 5.349757] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020[ 61.217892] ---[ end trace e2f66c91d8f90f67 ]--- # [ 55.356563] Call Trace: # [ 55.359291] dump_stack+0x77[ 61.229264] lkdtm: Overflow detected: saturated /0x9b # [ 55.362990] ___might_sleep.cold+0xa6/0xb6 # [ 55.367556] exit_signals+0x1c/0x2e0 # [ 55.371546] do_exit+0xd5/0xb00 # [ 55.375051] ? ksys_write+0x68/0xf0 # [ 55.378936] rewind_stack_do_exit+0x17/0x20 # [ 55.383606] RIP: 0033:0x7fcadc4eff33 # [ 55.387587] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 55.408566] RSP: 002b:00007ffca11a5dd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 55.417014] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007fcadc4eff33 # [ 55.424984] RDX: 000000000000000d RSI: 00007fcadc3e0000 RDI: 0000000000000001 # [ 55.432953] RBP: 00007fcadc3e0000 R08: 00007fcadc3df010 R09: 0000000000000000 # [ 55.440925] R10: 00007fcadc5ea1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 55.448897] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_VMALLOC: saw 'call trace:': ok ok 33 selftests: lkdtm: EXEC_VMALLOC.sh # selftests: lkdtm: EXEC_RODATA.sh # Killed # [ 55.556278] lkdtm: Performing direct entry EXEC_RODATA # [ 55.568331] lkdtm: attempting ok execution at ffffffff840de560 # [ 55.574862] lkdtm: attempting bad execution at ffffffff84cda1c0 # [ 55.587705] kernel tried to execute NX-protected page - exploit attempt? (uid:[ 61.375896] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW 0) # [ 55.596071] BUG: unable to handle page fault for addre[ 61.384319] lkdtm: attempting good refcount_add() without overflow ss: ffffffff84cda1c0 # [ 55.609966] #PF: supervisor instructi[ 61.397437] lkdtm: attempting bad refcount_add() overflow on fetch in kernel mode # [ 55.616278] #PF: error_code(0x0011[ 61.409681] ------------[ cut here ]------------ ) - permissions violation # [ 55.622501] PGD 65829067 P4D 658[ 61.421053] refcount_t: saturated; leaking memory. 29067 PUD 6582a063 PMD 80000000652000e1 # [ 55.629991] Oops:[ 61.432650] WARNING: CPU: 1 PID: 2089 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 0011 [#9] SMP PTI # [ 55.640097] CPU: 2 PID: 1775 Comm: cat [ 61.448265] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify Tainted: G D W 5.10.136-cip14 #1 # [ 55.648748] [ 61.480908] CPU: 1 PID: 2089 Comm: cat Tainted: G D W 5.10.136-cip14 #1 Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 55.[ 61.495779] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 655549] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 # [ 55.667[ 61.508800] RIP: 0010:refcount_warn_saturate+0x51/0x110 504] Code: ff ff e5 ca 76 84 ff ff ff ff 72 8b 0c 85 ff ff ff ff[ 61.520852] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d ce 53 74 01 00 75 ee 48 c7 c7 90 43 06 85 c6 05 be 53 74 01 01 e8 67 62 98 00 <0f> 0b c3 cc cc cc cc 80 3d aa 53 74 01 00 75 cb 48 c7 c7 b8 43 06 2b b2 76 84 ff ff ff ff 55 aa 55 aa 00 00 00 00 00 00 00 00 00 [ 61.548076] RSP: 0018:ffffa7b4c299fe48 EFLAGS: 00010286 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 54 68[ 61.560106] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 [ 61.574291] RDX: ffff8f0b3acac660 RSI: ffff8f0b3ac9bf70 RDI: ffff8f0b3ac9bf70 69 73 20 69 # [ 55.688536] RSP: 0018:ffffa7b4c253fe48 EFLAGS[ 61.582266] RBP: ffffffff850c89cb R08: 0000000000000000 R09: 0000000000000000 [ 61.596448] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 [ 61.604420] R13: ffffa7b4c299ff10 R14: ffffa7b4c299ff10 R15: ffff8f0ac5766000 : 00010246 # [ 55.694370] RAX: 0000000000000033 RBX: 00000000[ 61.612393] FS: 00007f115d67f580(0000) GS:ffff8f0b3ac80000(0000) knlGS:0000000000000000 [ 61.627639] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 00000000 RCX: 0000000000000000 # [ 55.702340] RDX: 0000000000[ 61.634059] CR2: 00007f115d498000 CR3: 00000001041f4005 CR4: 00000000003706e0 [ 61.648237] Call Trace: 000000 RSI: ffff8f0b3ad1bf70 RDI: ffff8f0b3ad1bf70 # [ 55.710[ 61.650971] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 310] RBP: ffffffff84cda1c0 R08: 0000000000000000 R09: 0000000000[ 61.662533] direct_entry.cold+0x2c/0x38 000000 # [ 55.718280] R10: 00000000ffffe000 R11: 3fffffffffff[ 61.673126] full_proxy_write+0x53/0x80 ffff R12: 000000000000000c # [ 55.726252] R13: ffffa7b4c253ff[ 61.683624] vfs_write+0xe7/0x3a0 10 R14: ffffa7b4c253ff10 R15: ffff8f0ac3fab000 # [ 55.734222][ 61.693536] ksys_write+0x68/0xf0 FS: 00007f27a2ae2580(0000) GS:ffff8f0b3ad00000(0000) knlGS:000[ 61.703451] do_syscall_64+0x30/0x40 0000000000000 # [ 55.743260] CS: 0010 DS: 0000 ES: 0000 CR0:[ 61.713655] entry_SYSCALL_64_after_hwframe+0x61/0xc6 0000000080050033 # [ 55.749678] CR2: ffffffff84cda1c0 CR3: 0[ 61.725532] RIP: 0033:0x7f115d5a7f33 [ 61.735736] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 000000102976002 CR4: 00000000003706e0 # [ 55.757648] Call Tra[ 61.756719] RSP: 002b:00007ffc689ae8b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 ce: # [ 55.760377] ? execute_location+0x45/0x56 # [ 55.76[ 61.771390] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f115d5a7f33 4853] ? direct_entry.cold+0x2c/0x38 # [ 55.769428] ? full_p[ 61.785576] RDX: 0000000000000016 RSI: 00007f115d498000 RDI: 0000000000000001 [ 61.799760] RBP: 00007f115d498000 R08: 00007f115d497010 R09: 0000000000000000 roxy_write+0x53/0x80 # [ 55.773903] ? vfs_write+0xe7/0x3a0 [ 61.807732] R10: 00007f115d6a21c0 R11: 0000000000000246 R12: 0000000000000001 [ 61.821913] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 55.784009] ? ksys_write+0x68/0xf0 # [ 55.787895] ? do[ 61.829907] irq event stamp: 0 _syscall_64+0x30/0x40 # [ 55.792080] ? entry_SYSCALL_64_afte[ 61.839503] hardirqs last enabled at (0): [<0000000000000000>] 0x0 r_hwframe+0x61/0xc6 # [ 55.797918] Modules linked in: fuse ip[ 61.852719] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 _tables cros_ec_sensors cros_ec_sensors_core industrialio_trigge[ 61.868072] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 red_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightb[ 61.883421] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 61.896635] ---[ end trace e2f66c91d8f90f68 ]--- [ 61.901793] lkdtm: Overflow detected: saturated ar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 55.824378] CR2: ffffffff84cda1c0 # [ 55.834290] ---[ end trace e2f66c91d8f90f5f ]--- # [ 55.839437] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 55.843814] Code: 89 ff e8 de bc 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 80 03 74 02 # [ 55.864799] RSP: 0018:ffffa7b4c14afe60 EFLAGS: 00010286 # [ 55.870634] RAX: ffffffff840de190 RBX: 0000000000000001 RCX: 0000000000000000 # [ 55.878604] RDX: 0000000000000000 RSI: ffff8f0b3ac1bf70 RDI: ffffffff84cd9d30 # [ 55.886576] RBP: ffffffff85123c60 R08: 0000000000000001 R09: 0000000000000001 # [ 55.894547] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 55.902528] R13: ffffa7b4c14aff10 R14: ffffa7b4c14aff10 R15: ffff8f0ac408f000 # [ 55.910499] FS: 00007f27a2ae2580(0000) GS:ffff8f0b3ad00000(0000) knlGS:0000000000000000 # [ 55.919538] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.925957] CR2: ffffffff84cda1c0 CR3: [ 62.018595] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW 0000000102976002 CR4: 00000000003706e0 # EXEC_RODATA: saw 'call[ 62.026393] lkdtm: attempting bad refcount_inc_not_zero() overflow [ 62.039529] ------------[ cut here ]------------ trace:': ok ok 34 selftests: lkdtm: EXEC_RODATA.sh # selftest[ 62.044712] refcount_t: saturated; leaking memory. s: lkdtm: EXEC_USERSPACE.sh # Killed # [ 56.045561] lkdtm: P[ 62.056286] WARNING: CPU: 1 PID: 2121 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 erforming direct entry EXEC_USERSPACE # [ 56.051927] lkdtm: a[ 62.071919] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify ttempting ok execution at ffffffff840de560 # [ 56.064672] lkd[ 62.104587] CPU: 1 PID: 2121 Comm: cat Tainted: G D W 5.10.136-cip14 #1 tm: attempting bad execution at 00007f659a91c000 # [ 56.07751[ 62.119431] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 1] unable to execute userspace code (SMEP?) (uid: 0) # [ 56.0[ 62.132450] RIP: 0010:refcount_warn_saturate+0x97/0x110 90092] BUG: unable to handle page fault for address: 00007f659a9[ 62.144503] Code: 01 01 e8 44 62 98 00 0f 0b c3 cc cc cc cc 80 3d 89 53 74 01 00 75 a8 48 c7 c7 90 43 06 85 c6 05 79 53 74 01 01 e8 21 62 98 00 <0f> 0b c3 cc cc cc cc 80 3d 63 53 74 01 00 75 85 48 c7 c7 e8 43 06 1c000 # [ 56.097771] #PF: supervisor instruction fetch in ker[ 62.171704] RSP: 0018:ffffa7b4c2a37e38 EFLAGS: 00010282 nel mode # [ 56.104091] #PF: error_code(0x0011) - permissions[ 62.183759] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 violation # [ 56.110314] PGD 8000000102751067 P4D 8000000102[ 62.197946] RDX: ffff8f0b3acac660 RSI: ffff8f0b3ac9bf70 RDI: ffff8f0b3ac9bf70 751067 PUD 102750067 PMD 104088067 PTE 114ad0067 # [ 56.12004[ 62.212135] RBP: ffffffff850c8608 R08: 0000000000000000 R09: 0000000000000000 3] Oops: 0011 [#10] SMP PTI # [ 56.124024] CPU: 0 PID: 1811 C[ 62.226329] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 62.240534] R13: ffffa7b4c2a37f10 R14: ffffa7b4c2a37f10 R15: ffff8f0ac3dcd000 omm: cat Tainted: G D W 5.10.136-cip14 #1 # [ 56[ 62.248528] FS: 00007f6bc8d38580(0000) GS:ffff8f0b3ac80000(0000) knlGS:0000000000000000 [ 62.263775] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 .132666] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 62.270193] CR2: 00007f6bc8b51000 CR3: 00000001052e4003 CR4: 00000000003706e0 [ 62.284370] Call Trace: # [ 56.139480] RIP: 0010:0x7f659a91c000 # [ 56.143481] Code[ 62.287102] __refcount_add_not_zero.constprop.0+0x2a/0x35 : Unable to access opcode bytes at RIP 0x7f659a91bfd6. # [ 56[ 62.299437] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 [ 62.311874] direct_entry.cold+0x2c/0x38 .150772] RSP: 0018:ffffa7b4c25cfe50 EFLAGS: 00010246 # [ 56.1[ 62.316256] full_proxy_write+0x53/0x80 56607] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 00000000[ 62.326750] vfs_write+0xe7/0x3a0 00000000 # [ 56.164576] RDX: 0000000000000000 RSI: ffff8f0b3a[ 62.336667] ksys_write+0x68/0xf0 c1bf70 RDI: ffff8f0b3ac1bf70 # [ 56.172547] RBP: 00007f659a91[ 62.346585] do_syscall_64+0x30/0x40 c000 R08: 0000000000000000 R09: 0000000000000000 # [ 56.18052[ 62.356792] entry_SYSCALL_64_after_hwframe+0x61/0xc6 8] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000[ 62.368652] RIP: 0033:0x7f6bc8c60f33 000f # [ 56.188498] R13: ffffa7b4c25cff10 R14: ffffa7b4c25cff[ 62.378857] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 10 R15: ffff8f0ac3265000 # [ 56.196479] FS: 00007f659a8ed580[ 62.406056] RSP: 002b:00007ffe1ffbf4e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 (0000) GS:ffff8f0b3ac00000(0000) knlGS:0000000000000000 # [ 5[ 62.420734] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f6bc8c60f33 6.205517] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [[ 62.434923] RDX: 000000000000001f RSI: 00007f6bc8b51000 RDI: 0000000000000001 56.211954] CR2: 00007f659a91c000 CR3: 0000000103204005 CR4: 0[ 62.449109] RBP: 00007f6bc8b51000 R08: 00007f6bc8b50010 R09: 0000000000000000 0000000003706f0 # [ 56.219923] Call Trace: # [ 56.222651] [ 62.463298] R10: 00007f6bc8d5b1c0 R11: 0000000000000246 R12: 0000000000000001 ? lkdtm_EXEC_USERSPACE.cold+0x66/0xae # [ 56.228004] ? dire[ 62.477489] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ct_entry.cold+0x2c/0x38 # [ 56.232577] ? full_proxy_write+0x[ 62.491701] irq event stamp: 0 53/0x80 # [ 56.237059] ? vfs_write+0xe7/0x3a0 # [ 56.2409[ 62.501305] hardirqs last enabled at (0): [<0000000000000000>] 0x0 50] ? ksys_write+0x68/0xf0 # [ 56.244844] ? do_syscall_64+0[ 62.514536] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 x30/0x40 # [ 56.249033] ? entry_SYSCALL_64_after_hwframe+0x6[ 62.529894] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 1/0xc6 # [ 56.254863] Modules linked in: fuse ip_tables cros_[ 62.545249] softirqs last disabled at (0): [<0000000000000000>] 0x0 ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kf[ 62.558485] ---[ end trace e2f66c91d8f90f69 ]--- ifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_ch[ 62.569857] lkdtm: Overflow detected: saturated ardev cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 56.281304] CR2: 00007f659a91c000 # [ 56.285001] ---[ end trace e2f66c91d8f90f60 ]--- # [ 56.290156] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 56.294527] Code: 89 ff e8 de bc 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 80 03 74 02 # [ 56.315530] RSP: 0018:ffffa7b4c14afe60 EFLAGS: 00010286 # [ 56.321362] RAX: ffffffff840de190 RBX: 0000000000000001 RCX: 0000000000000000 # [ 56.329332] RDX: 0000000000000000 RSI: ffff8f0b3ac1bf70 RDI: ffffffff84cd9d30 # [ 56.337299] RBP: ffffffff85123c60 R08: 0000000000000001 R09: 0000000000000001 # [ 56.345267] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 56.353235] R13: ffffa7b4c14aff10 R14: ffffa7b4c14aff10 R15: ffff8f0ac408f000 # [ 56.361204] FS: 00007f659a8ed580(0000) GS:ffff8f0b3ac00000(0000) knlGS:0000000000000000 # [ 56.370243] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.376658] CR2: 00007f659a91c000 CR3: 0000000103204[ 62.692355] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW [ 62.700685] lkdtm: attempting bad refcount_add_not_zero() overflow [ 62.707601] ------------[ cut here ]------------ 005 CR4: 00000000003706f0 # [ 56.384628] BUG: sleeping functi[ 62.712767] refcount_t: saturated; leaking memory. on called from invalid context at include/linux/percpu-rwsem.h:4[ 62.724343] WARNING: CPU: 2 PID: 2153 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 9 # [ 56.394543] in_atomic(): 0, irqs_disabled(): 1, non_bloc[ 62.739982] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 62.772679] CPU: 2 PID: 2153 Comm: cat Tainted: G D W 5.10.136-cip14 #1 k: 0, pid: 1811, name: cat # [ 56.402989] INFO: lockdep is tu[ 62.781343] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 62.794357] RIP: 0010:refcount_warn_saturate+0x97/0x110 [ 62.800191] Code: 01 01 e8 44 62 98 00 0f 0b c3 cc cc cc cc 80 3d 89 53 74 01 00 75 a8 48 c7 c7 90 43 06 85 c6 05 79 53 74 01 01 e8 21 62 98 00 <0f> 0b c3 cc cc cc cc 80 3d 63 53 74 01 00 75 85 48 c7 c7 e8 43 06 [ 62.821174] RSP: 0018:ffffa7b4c2adfe38 EFLAGS: 00010282 [ 62.827010] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 [ 62.834981] RDX: ffff8f0b3ad2c660 RSI: ffff8f0b3ad1bf70 RDI: ffff8f0b3ad1bf70 [ 62.842952] RBP: ffffffff850c8628 R08: 0000000000000000 R09: 0000000000000000 [ 62.850924] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 62.858895] R13: ffffa7b4c2adff10 R14: ffffa7b4c2adff10 R15: ffff8f0ac2967000 [ 62.866868] FS: 00007fcd54dbd580(0000) GS:ffff8f0b3ad00000(0000) knlGS:0000000000000000 [ 62.875908] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.882323] CR2: 00007fcd54bd6000 CR3: 0000000103d84001 CR4: 00000000003706e0 [ 62.890296] Call Trace: [ 62.893026] __refcount_add_not_zero.constprop.0+0x2a/0x35 [ 62.899186] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 [ 62.905411] direct_entry.cold+0x2c/0x38 [ 62.909794] full_proxy_write+0x53/0x80 [ 62.914108] vfs_write+0xe7/0x3a0 [ 62.917831] ksys_write+0x68/0xf0 [ 62.921536] do_syscall_64+0x30/0x40 [ 62.925551] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 62.931193] RIP: 0033:0x7fcd54ce5f33 [ 62.935183] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 62.956169] RSP: 002b:00007ffc059ca088 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 62.964628] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fcd54ce5f33 [ 62.972601] RDX: 000000000000001f RSI: 00007fcd54bd6000 RDI: 0000000000000001 [ 62.980573] RBP: 00007fcd54bd6000 R08: 00007fcd54bd5010 R09: 0000000000000000 rned off. # [ 56.407364] irq event stamp: 0 # [ 56.410770][ 62.988549] R10: 00007fcd54de01c0 R11: 0000000000000246 R12: 0000000000000001 hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ [ 63.002739] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 63.016935] irq event stamp: 0 56.417771] hardirqs last disabled at (0): [] c[ 63.020371] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 63.033581] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 63.042719] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 63.051858] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 63.058860] ---[ end trace e2f66c91d8f90f6a ]--- [ 63.064014] lkdtm: Overflow detected: saturated opy_process+0x640/0x1c80 # [ 56.426899] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 56.436034] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 56.443035] CPU: 0 PID: 1811 Comm: cat Tainted: G D W 5.10.136-cip14 #1 # [ 56.451685] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 56.458489] Call Trace: # [ 56.461216] dump_stack+0x77/0x9b # [ 56.464906] ___might_sleep.cold+0xa6/0xb6 # [ 56.469485] exit_signals+0x1c/0x2e0 # [ 56.473484] do_exit+0xd5/0xb00 # [ 56.476987] ? ksys_write+0x68/0xf0 # [ 56.480870] rewind_stack_do_exit+0x17/0x20 # [ 56.485537] RIP: 0033:0x7f659a815f33 # [ 56.489538] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 56.510528] RSP: 002b:00007ffede122b88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 56.518986] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 00007f659a815f33 # [ 56.526957] RDX: 000000000000000f RSI: 00007f659a706000 RDI: 0000000000000001 # [ 56.534925] RBP: 00007f659a706000 R08: 00007f659a705010 R09: 0000000000000000 # [ 56.542893] R10: 00007f659a9101c0 R11: 0000000000000246 R12: 0000000000000001 # [ 5[ 63.196133] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO [ 63.205957] lkdtm: attempting good refcount_dec() [ 63.211233] lkdtm: attempting bad refcount_dec() to zero [ 63.217182] ------------[ cut here ]------------ [ 63.222347] refcount_t: decrement hit 0; leaking memory. [ 63.228296] WARNING: CPU: 2 PID: 2185 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 6.550863] R13: 0000000000000001 R14: 0000000000020000 R15: 00000[ 63.237732] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 00000020000 # EXEC_USERSPACE: saw 'call trace:': ok ok 35 self[ 63.270417] CPU: 2 PID: 2185 Comm: cat Tainted: G D W 5.10.136-cip14 #1 tests: lkdtm: EXEC_USERSPACE.sh # selftests: lkdtm: EXEC_NULL.s[ 63.285286] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 63.298309] RIP: 0010:refcount_warn_saturate+0xfb/0x110 [ 63.304143] Code: 40 44 06 85 c6 05 2a 53 74 01 01 e8 d7 61 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 10 44 06 85 c6 05 11 53 74 01 01 e8 bd 61 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b [ 63.325128] RSP: 0018:ffffa7b4c2b6fe48 EFLAGS: 00010286 [ 63.330985] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 h # Killed # [ 56.780347] lkdtm: Performing direct entry EXE[ 63.338968] RDX: ffff8f0b3ad2c660 RSI: ffff8f0b3ad1bf70 RDI: ffff8f0b3ad1bf70 [ 63.353145] RBP: ffffffff850c89e1 R08: 0000000000000000 R09: 0000000000000000 [ 63.361115] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 63.369085] R13: ffffa7b4c2b6ff10 R14: ffffa7b4c2b6ff10 R15: ffff8f0ac3295000 [ 63.377058] FS: 00007f7a2a1e3580(0000) GS:ffff8f0b3ad00000(0000) knlGS:0000000000000000 [ 63.386098] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.392536] CR2: 00007f7a29ffc000 CR3: 00000001040d0006 CR4: 00000000003706e0 [ 63.400506] Call Trace: [ 63.403280] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd [ 63.408265] direct_entry.cold+0x2c/0x38 [ 63.412647] full_proxy_write+0x53/0x80 [ 63.416954] vfs_write+0xe7/0x3a0 [ 63.420655] ksys_write+0x68/0xf0 [ 63.424356] do_syscall_64+0x30/0x40 [ 63.428370] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 63.434011] RIP: 0033:0x7f7a2a10bf33 [ 63.437999] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 63.458978] RSP: 002b:00007ffc271c6d58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 63.467435] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f7a2a10bf33 [ 63.475406] RDX: 0000000000000012 RSI: 00007f7a29ffc000 RDI: 0000000000000001 [ 63.483377] RBP: 00007f7a29ffc000 R08: 00007f7a29ffb010 R09: 0000000000000000 [ 63.491348] R10: 00007f7a2a2061c0 R11: 0000000000000246 R12: 0000000000000001 [ 63.499319] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 63.507293] irq event stamp: 0 [ 63.510730] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 63.517731] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 63.526869] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 63.536006] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 63.543005] ---[ end trace e2f66c91d8f90f6b ]--- C_NULL # [ 56.788334] lkdtm: attempting ok execution at fffff[ 63.548162] lkdtm: Zero detected: saturated fff840de560 # [ 56.801075] lkdtm: attempting bad execution at 0000000000000000 # [ 56.813896] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 56.827886] #PF: supervisor instruction fetch in kernel mode # [ 56.834206] #PF: error_code(0x0010) - not-present page # [ 56.839942] PGD 0 P4D 0 # [ 56.842767] Oops: 0010 [#11] SMP PTI # [ 56.846749] CPU: 1 PID: 1847 Comm: cat Tainted: G D W 5.10.136-cip14 #1 # [ 56.855399] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 56.862203] RIP: 0010:0x0 # [ 56.865124] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. # [ 56.872792] RSP: 0018:ffffa7b4c2617e48 EFLAGS: 00010246 # [ 56.878625] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 56.886594] RDX: 0000000000000000 RSI: ffff8f0b3ac9bf70 RDI: ffff8f0b3ac9bf70 # [ 56.894561] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 # [ 56.902531] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 56.910499] R13: ffffa7b4c2617f10 R14: ffffa7b4c2617f10 R15: ffff8f0ac51f9000 # [ 56.918481] FS: 00007f0565351580(0000) GS:ffff8f0b3ac80000(0000) knlGS:0000000000000000 # [ 56.927529] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.933934] CR2: ffffffffffffffd6 CR3: 00000001029c[ 63.684371] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE 4001 CR4: 00000000003706e0 # [ 56.941903] Call Trace: # [ [ 63.696409] lkdtm: attempting bad refcount_dec() below zero 56.944632] execute_location+0x45/0x56 # [ 56.948915] direct[ 63.708871] ------------[ cut here ]------------ [ 63.720217] refcount_t: decrement hit 0; leaking memory. _entry.cold+0x2c/0x38 # [ 56.959522] full_proxy_write+0x53/0[ 63.726180] WARNING: CPU: 1 PID: 2220 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 x80 # [ 56.963809] vfs_write+0xe7/0x3a0 # [ 56.973719] k[ 63.741790] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify sys_write+0x68/0xf0 # [ 56.977419] do_syscall_64+0x30/0x40 [ 63.774427] CPU: 1 PID: 2220 Comm: cat Tainted: G D W 5.10.136-cip14 #1 # [ 56.981411] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ [ 63.789288] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 56.993264] RIP: 0033:0x7f0565279f33 # [ 56.997253] Code: 8b[ 63.802308] RIP: 0010:refcount_warn_saturate+0xfb/0x110 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f [ 63.814355] Code: 40 44 06 85 c6 05 2a 53 74 01 01 e8 d7 61 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 10 44 06 85 c6 05 11 53 74 01 01 e8 bd 61 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48>[ 63.841551] RSP: 0018:ffffa7b4c2bf7e48 EFLAGS: 00010286 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18[ 63.853607] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 # [ 57.018225] RSP: 002b:00007ffcb9d5a998 EFLAGS: 00000246 OR[ 63.867791] RDX: ffff8f0b3acac660 RSI: ffff8f0b3ac9bf70 RDI: ffff8f0b3ac9bf70 IG_RAX: 0000000000000001 # [ 57.026669] RAX: ffffffffffffffda[ 63.881977] RBP: ffffffff850c89f3 R08: 0000000000000000 R09: 0000000000000000 RBX: 000000000000000a RCX: 00007f0565279f33 # [ 57.034639] R[ 63.896189] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 DX: 000000000000000a RSI: 00007f056516a000 RDI: 0000000000000001[ 63.910372] R13: ffffa7b4c2bf7f10 R14: ffffa7b4c2bf7f10 R15: ffff8f0ac275a000 # [ 57.042604] RBP: 00007f056516a000 R08: 00007f0565169010 R[ 63.924537] FS: 00007fb4fae28580(0000) GS:ffff8f0b3ac80000(0000) knlGS:0000000000000000 09: 0000000000000000 # [ 57.050571] R10: 00007f05653741c0 R11[ 63.939791] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.952425] CR2: 00007fb4fac41000 CR3: 0000000104176004 CR4: 00000000003706e0 : 0000000000000246 R12: 0000000000000001 # [ 57.058539] R13: [ 63.960395] Call Trace: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 63.969338] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 [ 57.066533] Modules linked in: fuse ip_tables cros_ec_sensors[ 63.980901] direct_entry.cold+0x2c/0x38 cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf in[ 63.991496] full_proxy_write+0x53/0x80 dustrialio cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros[ 64.001990] vfs_write+0xe7/0x3a0 _ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cro[ 64.011904] ksys_write+0x68/0xf0 s_usbpd_notify # [ 57.099169] CR2: 0000000000000000 # [ 57[ 64.021820] do_syscall_64+0x30/0x40 .102867] ---[ end trace e2f66c91d8f90f61 ]--- # [ 57.108012] [ 64.032023] entry_SYSCALL_64_after_hwframe+0x61/0xc6 RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 57.112378] Code: 89 ff e8 de[ 64.043880] RIP: 0033:0x7fb4fad50f33 bc a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc [ 64.054083] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f[ 64.081276] RSP: 002b:00007fffb66c61b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 64.095945] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fb4fad50f33 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 03 74 02 # [ 57[ 64.103917] RDX: 0000000000000016 RSI: 00007fb4fac41000 RDI: 0000000000000001 .133357] RSP: 0018:ffffa7b4c14afe60 EFLAGS: 00010286 # [ 57.1[ 64.118096] RBP: 00007fb4fac41000 R08: 00007fb4fac40010 R09: 0000000000000000 39182] RAX: ffffffff840de190 RBX: 0000000000000001 RCX: 00000000[ 64.132285] R10: 00007fb4fae4b1c0 R11: 0000000000000246 R12: 0000000000000001 00000000 # [ 57.147152] RDX: 0000000000000000 RSI: ffff8f0b3a[ 64.146485] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 c1bf70 RDI: ffffffff84cd9d30 # [ 57.155119] RBP: ffffffff8512[ 64.160673] irq event stamp: 0 [ 64.170294] hardirqs last enabled at (0): [<0000000000000000>] 0x0 3c60 R08: 0000000000000001 R09: 0000000000000001 # [ 57.16308[ 64.177298] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 64.192642] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 7] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000[ 64.201779] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 64.214988] ---[ end trace e2f66c91d8f90f6c ]--- 0004 # [ 57.171056] R13: ffffa7b4c14aff10 R14: ffffa7b4c14aff[ 64.220146] lkdtm: Negative detected: saturated 10 R15: ffff8f0ac408f000 # [ 57.179023] FS: 00007f0565351580(0000) GS:ffff8f0b3ac80000(0000) knlGS:0000000000000000 # [ 57.188059] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.194480] CR2: ffffffffffffffd6 CR3: 00000001029c4001 CR4: 00000000003706e0 # EXEC_NULL: saw 'call trace:': ok ok 36 selftests: lkdtm: EXEC_NULL.sh # selftests: lkdtm: ACCESS_USERSPACE.sh # Killed # [ 57.349691] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 57.358013] lkdtm: attempting bad read at 00007fb9d061c000 # [ 57.370362] BUG: unable to handle page fault for address: 00007fb9d061c000 # [ 57.384250] #PF: supervisor read access in kernel mode # [ 57.389987] #PF: error_code(0x0001) - permissions violation # [ 57.396208] PGD 8000000103501067 P4D 8000000103501067 PUD 103dd2067 PMD 103d77067 PTE 115231067 # [ 57.405933] Oops: 0001 [#12] SMP PTI # [ 57.416136] CPU: 1 PID: 1882 Comm: cat Tainted: G D W 5.10.136-cip14 #1 # [ 57.424786] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 57.431590] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 # [ 57.437815] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 90 98 0c 85 e8 19 9a fd ff 48 c7 c7 b8 98 0c 85 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 00 9a fd ff 48 89 ee 48 c7 c7 e0 98 0c # [ 57.465015] RSP: 0018:ffffa7b4c26c7e48 EFLAGS: 00010246 # [ 57.470842] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 000000000000000[ 64.368635] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE [ 64.381954] lkdtm: attempting bad refcount_dec_and_test() below zero [ 64.389063] ------------[ cut here ]------------ [ 64.394231] refcount_t: underflow; use-after-free. [ 64.399619] WARNING: CPU: 3 PID: 2255 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 0 # [ 57.478810] RDX: 0000000000000000 RSI: ffff8f0b3ac9bf70 [ 64.409053] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 64.441692] CPU: 3 PID: 2255 Comm: cat Tainted: G D W 5.10.136-cip14 #1 RDI: ffffffff850c98b8 # [ 57.486781] RBP: 00007fb9d061c000 R0[ 64.450367] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 64.463384] RIP: 0010:refcount_warn_saturate+0xba/0x110 [ 64.469241] Code: 01 01 e8 21 62 98 00 0f 0b c3 cc cc cc cc 80 3d 63 53 74 01 00 75 85 48 c7 c7 e8 43 06 85 c6 05 53 53 74 01 01 e8 fe 61 98 00 <0f> 0b c3 cc cc cc cc 80 3d 3e 53 74 01 00 0f 85 5e ff ff ff 48 c7 8: 0000000000000000 R09: 0000000000000000 # [ 57.494752] R10:[ 64.490234] RSP: 0018:ffffa7b4c2c87e40 EFLAGS: 00010286 [ 64.502275] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 [ 64.510246] RDX: ffff8f0b3adac660 RSI: ffff8f0b3ad9bf70 RDI: ffff8f0b3ad9bf70 [ 64.518217] RBP: ffffffff850c8648 R08: 0000000000000000 R09: 0000000000000000 [ 64.526189] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 64.534160] R13: ffffa7b4c2c87f10 R14: ffffa7b4c2c87f10 R15: ffff8f0ac5097000 [ 64.542131] FS: 00007f6b0c8ce580(0000) GS:ffff8f0b3ad80000(0000) knlGS:0000000000000000 [ 64.551170] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 64.557587] CR2: 00007f6b0c6e7000 CR3: 00000001041c4001 CR4: 00000000003706e0 [ 64.565556] Call Trace: [ 64.568286] __refcount_sub_and_test.constprop.0+0x3c/0x50 [ 64.574436] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 [ 64.580660] direct_entry.cold+0x2c/0x38 [ 64.585040] full_proxy_write+0x53/0x80 [ 64.589347] vfs_write+0xe7/0x3a0 [ 64.593073] ksys_write+0x68/0xf0 [ 64.596773] do_syscall_64+0x30/0x40 [ 64.600788] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 64.606430] RIP: 0033:0x7f6b0c7f6f33 [ 64.610420] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 64.631404] RSP: 002b:00007ffd716e8ac8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 64.639862] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f6b0c7f6f33 [ 64.647832] RDX: 000000000000001f RSI: 00007f6b0c6e7000 RDI: 0000000000000001 [ 64.655803] RBP: 00007f6b0c6e7000 R08: 00007f6b0c6e6010 R09: 0000000000000000 [ 64.663774] R10: 00007f6b0c8f11c0 R11: 0000000000000246 R12: 0000000000000001 [ 64.671746] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 64.679721] irq event stamp: 0 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 #[ 64.683154] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 57.502723] R13: ffffa7b4c26c7f10 R14: ffffa7b4c26c7f10 R15:[ 64.696372] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 ffff8f0ac52d9000 # [ 57.510695] FS: 00007fb9d05ed580(0000) [ 64.711725] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 64.727079] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 64.734079] ---[ end trace e2f66c91d8f90f6d ]--- [ 64.739235] lkdtm: Negative detected: saturated GS:ffff8f0b3ac80000(0000) knlGS:0000000000000000 # [ 57.519724] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.526140] CR2: 00007fb9d061c000 CR3: 0000000102644001 CR4: 00000000003706e0 # [ 57.534110] Call Trace: # [ 57.536838] direct_entry.cold+0x2c/0x38 # [ 57.541219] full_proxy_write+0x53/0x80 # [ 57.551712] vfs_write+0xe7/0x3a0 # [ 57.555411] ksys_write+0x68/0xf0 # [ 57.565325] do_syscall_64+0x30/0x40 # [ 57.569316] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 57.581171] RIP: 0033:0x7fb9d0515f33 # [ 57.585151] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 57.606136] RSP: 002b:00007fff52c23638 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 57.614592] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007fb9d0515f33 # [ 57.622562] RDX: 0000000000000011 RSI: 00007fb9d0406000 RDI: 0000000000000001 # [ 57.630531] RBP: 00007fb9d0406000 R08: 00007fb9d0405010 R09: 0000000000000000 # [ 57.638501] R10: 00007fb9d06101c0 R11: 0000000000000246 R12: 0000000000000001 # [ 57.646480] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 64.862668] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE [ 64.876215] lkdtm: attempting bad refcount_sub_and_test() below zero [ 64.883325] ------------[ cut here ]------------ [ 64.888490] refcount_t: underflow; use-after-free. [ 57.654472] Modules linked in: fuse ip_tables cros_ec_sensors[ 64.893850] WARNING: CPU: 3 PID: 2290 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf in[ 64.909485] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 64.942128] CPU: 3 PID: 2290 Comm: cat Tainted: G D W 5.10.136-cip14 #1 [ 64.950802] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 64.957609] RIP: 0010:refcount_warn_saturate+0xba/0x110 [ 64.963444] Code: 01 01 e8 21 62 98 00 0f 0b c3 cc cc cc cc 80 3d 63 53 74 01 00 75 85 48 c7 c7 e8 43 06 85 c6 05 53 53 74 01 01 e8 fe 61 98 00 <0f> 0b c3 cc cc cc cc 80 3d 3e 53 74 01 00 0f 85 5e ff ff ff 48 c7 dustrialio cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros[ 64.984484] RSP: 0018:ffffa7b4c2cdfe40 EFLAGS: 00010286 [ 64.996539] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 [ 65.004532] RDX: ffff8f0b3adac660 RSI: ffff8f0b3ad9bf70 RDI: ffff8f0b3ad9bf70 [ 65.012502] RBP: ffffffff850c8668 R08: 0000000000000000 R09: 0000000000000000 [ 65.020482] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f _ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cro[ 65.028453] R13: ffffa7b4c2cdff10 R14: ffffa7b4c2cdff10 R15: ffff8f0ac576b000 [ 65.042660] FS: 00007f3731608580(0000) GS:ffff8f0b3ad80000(0000) knlGS:0000000000000000 s_usbpd_notify # [ 57.687117] CR2: 00007fb9d061c000 # [ 57[ 65.051708] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 65.064331] CR2: 00007f3731421000 CR3: 0000000106572002 CR4: 00000000003706e0 [ 65.072300] Call Trace: [ 65.075021] __refcount_sub_and_test.constprop.0+0x3c/0x50 [ 65.081174] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b [ 65.087422] direct_entry.cold+0x2c/0x38 [ 65.091804] full_proxy_write+0x53/0x80 [ 65.096112] vfs_write+0xe7/0x3a0 [ 65.099837] ksys_write+0x68/0xf0 [ 65.103538] do_syscall_64+0x30/0x40 [ 65.107552] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 65.113192] RIP: 0033:0x7f3731530f33 [ 65.117182] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 65.138169] RSP: 002b:00007fff558939d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 65.146627] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f3731530f33 [ 65.154622] RDX: 000000000000001f RSI: 00007f3731421000 RDI: 0000000000000001 .690805] ---[ end trace e2f66c91d8f90f62 ]--- # [ 57.695962] [ 65.162594] RBP: 00007f3731421000 R08: 00007f3731420010 R09: 0000000000000000 [ 65.176779] R10: 00007f373162b1c0 R11: 0000000000000246 R12: 0000000000000001 [ 65.184751] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 65.192728] irq event stamp: 0 [ 65.196164] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 65.203168] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 65.212302] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 65.221440] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 65.228443] ---[ end trace e2f66c91d8f90f6e ]--- [ 65.233623] lkdtm: Negative detected: saturated RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 57.700337] Code: 89 ff e8 de bc 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 80 03 74 02 # [ 57.721322] RSP: 0018:ffffa7b4c14afe60 EFLAGS: 00010286 # [ 57.727147] RAX: ffffffff840de190 RBX: 0000000000000001 RCX: 0000000000000000 # [ 57.735116] RDX: 0000000000000000 RSI: ffff8f0b3ac1bf70 RDI: ffffffff84cd9d30 # [ 57.743087] RBP: ffffffff85123c60 R08: 0000000000000001 R09: 0000000000000001 # [ 57.751056] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 57.759026] R13: ffffa7b4c14aff10 R14: ffffa7b4c14aff10 R15: ffff8f0ac408f000 # [ 57.766997] FS: 00007fb9d05ed580(0000) GS:ffff8f0b3ac80000(0000) knlGS:0000000000000000 # [ 57.776036] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.782443] CR2: 00007fb9d061c000 CR3: 0000000102644001 CR4: 00000000003706e0 # [ 57.790414] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 57.800328] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1882, name: cat # [ 57.808784] INFO: lockdep is turned off. # [ 57.813161] irq event stamp: 0 # [ 57.816568] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 57.823567] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 57.832702] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 57.841836] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 57.848836] CPU: 1 PID: 1882 Comm: cat Tainted: G D W 5.10.136-cip14 #1 # [ 57.857482] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 57.864288] Call Trace: # [ [ 65.412439] lkdtm: Performing direct entry REFCOUNT_INC_ZERO 57.867017] dump_stack+0x77/0x9b # [ 57.870716] ___might_sl[ 65.419238] lkdtm: attempting safe refcount_inc_not_zero() from zero eep.cold+0xa6/0xb6 # [ 57.875289] exit_signals+0x1c/0x2e0 #[ 65.432569] lkdtm: Good: zero detected [ 57.879279] do_exit+0xd5/0xb00 # [ 57.882783] ? ksys_wr[ 65.442981] lkdtm: Correctly stayed at zero ite+0x68/0xf0 # [ 57.886667] rewind_stack_do_exit+0x17/0x20[ 65.453879] lkdtm: attempting bad refcount_inc() from zero # [ 57.891334] RIP: 0033:0x7fb9d0515f33 # [ 57.895323] Cod[ 65.466212] ------------[ cut here ]------------ e: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0[ 65.477593] refcount_t: addition on 0; use-after-free. f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05[ 65.489592] WARNING: CPU: 0 PID: 2322 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 2[ 65.505225] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 4 18 # [ 57.916309] RSP: 002b:00007fff52c23638 EFLAGS: 000002[ 65.537869] CPU: 0 PID: 2322 Comm: cat Tainted: G D W 5.10.136-cip14 #1 46 ORIG_RAX: 0000000000000001 # [ 57.924766] RAX: fffffffffff[ 65.552693] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 fffda RBX: 0000000000000011 RCX: 00007fb9d0515f33 # [ 57.9327[ 65.565758] RIP: 0010:refcount_warn_saturate+0x74/0x110 36] RDX: 0000000000000011 RSI: 00007fb9d0406000 RDI: 00000000000[ 65.577799] Code: 01 01 e8 67 62 98 00 0f 0b c3 cc cc cc cc 80 3d aa 53 74 01 00 75 cb 48 c7 c7 b8 43 06 85 c6 05 9a 53 74 01 01 e8 44 62 98 00 <0f> 0b c3 cc cc cc cc 80 3d 89 53 74 01 00 75 a8 48 c7 c7 90 43 06 00001 # [ 57.940706] RBP: 00007fb9d0406000 R08: 00007fb9d0405[ 65.605002] RSP: 0018:ffffa7b4c2d97e48 EFLAGS: 00010286 010 R09: 0000000000000000 # [ 57.948675] R10: 00007fb9d06101c[ 65.617045] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 0 R11: 0000000000000246 R12: 0000000000000001 # [ 57.956647] [ 65.631230] RDX: ffff8f0b3ac2c660 RSI: ffff8f0b3ac1bf70 RDI: ffff8f0b3ac1bf70 R13: 0000000000000001 R14: 0000000000020000 R15: 000000000002000[ 65.645422] RBP: ffffffff850c8a09 R08: 0000000000000000 R09: 0000000000000000 0 # ACCESS_USERSPACE: saw 'call trace:': ok ok 37 selftests: l[ 65.659626] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 kdtm: ACCESS_USERSPACE.sh # selftests: lkdtm: ACCESS_NULL.sh #[ 65.673821] R13: ffffa7b4c2d97f10 R14: ffffa7b4c2d97f10 R15: ffff8f0ac6575000 Killed # [ 58.078200] lkdtm: Performing direct entry ACCESS_[ 65.688027] FS: 00007f3331815580(0000) GS:ffff8f0b3ac00000(0000) knlGS:0000000000000000 NULL # [ 58.088451] lkdtm: attempting bad read at 00000000000[ 65.703287] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 00000 # [ 58.100804] BUG: kernel NULL pointer dereference, ad[ 65.715979] CR2: 00007f333162e000 CR3: 0000000105310004 CR4: 00000000003706f0 dress: 0000000000000000 # [ 58.114789] #PF: supervisor read a[ 65.730249] Call Trace: ccess in kernel mode # [ 58.120526] #PF: error_code(0x0000) -[ 65.739106] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 not-present page # [ 58.126261] PGD 0 P4D 0 # [ 58.12908[ 65.750337] direct_entry.cold+0x2c/0x38 8] Oops: 0000 [#13] SMP PTI # [ 58.139292] CPU: 1 PID: 1917 C[ 65.760911] full_proxy_write+0x53/0x80 omm: cat Tainted: G D W 5.10.136-cip14 #1 # [ 58[ 65.771466] vfs_write+0xe7/0x3a0 .147946] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 65.781346] ksys_write+0x68/0xf0 # [ 58.160970] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 # [ 58[ 65.791310] do_syscall_64+0x30/0x40 .166222] Code: bd 99 fd ff be 00 10 00 00 48 89 ef e8 30 b9 39 f[ 65.801496] entry_SYSCALL_64_after_hwframe+0x61/0xc6 f e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 90 98 0c 85 e8[ 65.813377] RIP: 0033:0x7f333173df33 97 99 fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 b[ 65.823579] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 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 98 0c 85 48 01 # [ 58.193422] RSP: 0018:ffffa7b4c271fe58 EF[ 65.850848] RSP: 002b:00007fff849018a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 LAGS: 00010246 # [ 58.199248] RAX: 000000000000002e RBX: 0000[ 65.865492] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f333173df33 000000000027 RCX: 0000000000000000 # [ 58.207220] RDX: 000000[ 65.879709] RDX: 0000000000000012 RSI: 00007f333162e000 RDI: 0000000000000001 0000000000 RSI: ffff8f0b3ac9bf70 RDI: ffff8f0b3ac9bf70 # [ 58[ 65.893888] RBP: 00007f333162e000 R08: 00007f333162d010 R09: 0000000000000000 .215184] RBP: ffffffff850c8981 R08: 0000000000000000 R09: 000000[ 65.908105] R10: 00007f33318381c0 R11: 0000000000000246 R12: 0000000000000001 0000000000 # [ 58.223153] R10: 00000000ffffe000 R11: 3fffffff[ 65.922298] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ffffffff R12: 000000000000000c # [ 58.231123] R13: ffffa7b4c2[ 65.936534] irq event stamp: 0 71ff10 R14: ffffa7b4c271ff10 R15: ffff8f0ac329d000 # [ 58.239[ 65.946155] hardirqs last enabled at (0): [<0000000000000000>] 0x0 093] FS: 00007f90ef381580(0000) GS:ffff8f0b3ac80000(0000) knlGS[ 65.959406] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 :0000000000000000 # [ 58.248133] CS: 0010 DS: 0000 ES: 0000 [ 65.974758] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 CR0: 0000000080050033 # [ 58.254549] CR2: 0000000000000000 CR[ 65.990161] softirqs last disabled at (0): [<0000000000000000>] 0x0 3: 000000010538c001 CR4: 00000000003706e0 # [ 58.262531] Call[ 66.003380] ---[ end trace e2f66c91d8f90f6f ]--- Trace: # [ 58.265251] direct_entry.cold+0x2c/0x38 # [ 58[ 66.014784] lkdtm: Zero detected: saturated .269631] full_proxy_write+0x53/0x80 # [ 58.280124] vfs_write+0xe7/0x3a0 # [ 58.283823] ksys_write+0x68/0xf0 # [ 58.293736] do_syscall_64+0x30/0x40 # [ 58.297727] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 58.309581] RIP: 0033:0x7f90ef2a9f33 # [ 58.313569] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 58.334556] RSP: 002b:00007ffd2a5cb2d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 58.343014] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f90ef2a9f33 # [ 58.350984] RDX: 000000000000000c RSI: 00007f90ef19a000 RDI: 0000000000000001 # [ 58.358956] RBP: 00007f90ef19a000 R08: 00007f90ef199010 R09: 0000000000000000 # [ 58.366927] R10: 00007f90ef3a41c0 R11: 0000000000000246 R12: 0000000000000001 # [ 58.374896] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 58.382870] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 58.415530] CR2: 0000000000000000 # [ 58.419219] ---[ end trace e2f66c91d8f90f63 ]--- # [ 58.424375] RIP: 0010:lkdtm_BUG+0x5/0x10 #[ 66.157606] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO [ 66.168702] lkdtm: attempting safe refcount_add_not_zero() from zero [ 66.175817] lkdtm: Good: zero detected [ 66.180011] lkdtm: Correctly stayed at zero [ 66.184681] lkdtm: attempting bad refcount_add() from zero [ 66.190806] ------------[ cut here ]------------ [ 66.195962] refcount_t: addition on 0; use-after-free. [ 66.201728] WARNING: CPU: 3 PID: 2354 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 [ 58.428754] Code: 89 ff e8 de bc a3 ff 48 c7 c0 ea ff ff ff [ 66.211164] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 66.243798] CPU: 3 PID: 2354 Comm: cat Tainted: G D W 5.10.136-cip14 #1 [ 66.252448] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 66.259252] RIP: 0010:refcount_warn_saturate+0x74/0x110 [ 66.265086] Code: 01 01 e8 67 62 98 00 0f 0b c3 cc cc cc cc 80 3d aa 53 74 01 00 75 cb 48 c7 c7 b8 43 06 85 c6 05 9a 53 74 01 01 e8 44 62 98 00 <0f> 0b c3 cc cc cc cc 80 3d 89 53 74 01 00 75 a8 48 c7 c7 90 43 06 [ 66.286070] RSP: 0018:ffffa7b4c2dffe48 EFLAGS: 00010286 eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff e[ 66.291909] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 b c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 [ 66.306096] RDX: ffff8f0b3adac660 RSI: ffff8f0b3ad9bf70 RDI: ffff8f0b3ad9bf70 [ 66.320285] RBP: ffffffff850c8a1b R08: 0000000000000000 R09: 0000000000000000 [ 66.328288] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 66.336260] R13: ffffa7b4c2dfff10 R14: ffffa7b4c2dfff10 R15: ffff8f0ac2945000 [ 66.344231] FS: 00007fd4e12f0580(0000) GS:ffff8f0b3ad80000(0000) knlGS:0000000000000000 [ 66.353272] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.359710] CR2: 00007fd4e1109000 CR3: 0000000104138005 CR4: 00000000003706e0 00 00 83 05 80 03 74 02 # [ 58.449739] RSP: 0018:ffffa7b4c14a[ 66.367693] Call Trace: [ 66.376629] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 [ 66.381624] direct_entry.cold+0x2c/0x38 [ 66.386036] full_proxy_write+0x53/0x80 [ 66.390351] vfs_write+0xe7/0x3a0 [ 66.394082] ksys_write+0x68/0xf0 [ 66.397810] do_syscall_64+0x30/0x40 [ 66.401833] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 66.407485] RIP: 0033:0x7fd4e1218f33 fe60 EFLAGS: 00010286 # [ 58.455573] RAX: ffffffff840de190 RB[ 66.411482] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 66.438673] RSP: 002b:00007fffd5ce6698 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 66.447156] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fd4e1218f33 [ 66.455127] RDX: 0000000000000012 RSI: 00007fd4e1109000 RDI: 0000000000000001 [ 66.463098] RBP: 00007fd4e1109000 R08: 00007fd4e1108010 R09: 0000000000000000 [ 66.471068] R10: 00007fd4e13131c0 R11: 0000000000000246 R12: 0000000000000001 [ 66.479038] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 66.487034] irq event stamp: 0 X: 0000000000000001 RCX: 0000000000000000 # [ 58.463546] RDX:[ 66.490449] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 66.503662] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 66.512823] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 66.521960] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 66.528959] ---[ end trace e2f66c91d8f90f70 ]--- [ 66.534113] lkdtm: Zero detected: saturated 0000000000000000 RSI: ffff8f0b3ac1bf70 RDI: ffffffff84cd9d30 # [ 58.471528] RBP: ffffffff85123c60 R08: 0000000000000001 R09: 0000000000000001 # [ 58.479497] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 58.487481] R13: ffffa7b4c14aff10 R14: ffffa7b4c14aff10 R15: ffff8f0ac408f000 # [ 58.495452] FS: 00007f90ef381580(0000) GS:ffff8f0b3ac80000(0000) knlGS:0000000000000000 # [ 58.504529] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 58.510946] CR2: 0000000000000000 CR3: 000000010538c001 CR4: 00000000003706e0 # ACCESS_NULL: saw 'call trace:': ok ok 38 selftests: lkdtm: ACCESS_NULL.sh # selftests: lkdtm: WRITE_RO.sh # Killed # [ 58.630224] lkdtm: Performing direct entry WRITE_RO # [ 58.636269] lkdtm: attempting bad rodata write at ffffffff84cda1b0 # [ 58.649432] BUG: unable to handle page fault for address: ffffffff84cda1b0 # [ 58.663274] #PF: supervisor write access in kernel mode # [ 58.669100] #PF: error_code(0x0003) - permissions violation # [ 58.675325] PGD 65829067 P4D 65829067 PUD 6582a063 PMD 80000000652000e1 # [ 58.682811] Oops: 0003 [#14] SMP PTI # [ 58.686801] CPU: 0 PID: 1952 Comm: cat Tainted: G D W 5.10.136-cip14 #1 # [ 58.695450] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 58.702257] RIP: 0010:lkdtm_WRI[ 66.667578] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED TE_RO+0x2e/0x3a # [ 58.707223] Code: 00 48 c7 c7 70 97 0c 85 [ 66.676285] lkdtm: attempting bad refcount_inc() from saturated 48 c7 c6 b0 a1 cd 84 e8 41 9c fd ff 48 8b 05 3a ec 56 00 ba 34 1[ 66.689101] ------------[ cut here ]------------ 2 cd ab 48 c7 c7 a0 97 0c 85 48 31 d0 <48> 89 05 24 ec 56 00 e9 [ 66.700490] refcount_t: saturated; leaking memory. 1f 9c fd ff 0f 1f 44 00 00 48 8b 05 8b ad # [ 58.728212] RSP:[ 66.712104] WARNING: CPU: 0 PID: 2389 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 0018:ffffa7b4c27c7e60 EFLAGS: 00010202 # [ 58.734045] RAX: 0[ 66.727724] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 00000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 # [[ 66.760400] CPU: 0 PID: 2389 Comm: cat Tainted: G D W 5.10.136-cip14 #1 58.742017] RDX: 00000000abcd1234 RSI: ffff8f0b3ac1bf70 RDI: f[ 66.775287] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 fffffff850c97a0 # [ 58.749988] RBP: ffffffff850c898d R08: 000[ 66.788371] RIP: 0010:refcount_warn_saturate+0x51/0x110 0000000000000 R09: 0000000000000000 # [ 58.757957] R10: 00000[ 66.800364] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d ce 53 74 01 00 75 ee 48 c7 c7 90 43 06 85 c6 05 be 53 74 01 01 e8 67 62 98 00 <0f> 0b c3 cc cc cc cc 80 3d aa 53 74 01 00 75 cb 48 c7 c7 b8 43 06 000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 # [ 5[ 66.827599] RSP: 0018:ffffa7b4c2e8fe48 EFLAGS: 00010286 8.765929] R13: ffffa7b4c27c7f10 R14: ffffa7b4c27c7f10 R15: ffff8[ 66.839635] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 f0ac40d0000 # [ 58.773902] FS: 00007f7711833580(0000) GS:fff[ 66.853886] RDX: ffff8f0b3ac2c660 RSI: ffff8f0b3ac1bf70 RDI: ffff8f0b3ac1bf70 f8f0b3ac00000(0000) knlGS:0000000000000000 # [ 58.782942] CS:[ 66.868032] RBP: ffffffff850c8a2d R08: 0000000000000000 R09: 0000000000000000 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 58.789358][ 66.882234] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 CR2: ffffffff84cda1b0 CR3: 00000001035dc003 CR4: 00000000003706[ 66.896409] R13: ffffa7b4c2e8ff10 R14: ffffa7b4c2e8ff10 R15: ffff8f0ac548f000 f0 # [ 58.797330] Call Trace: # [ 58.800058] direct_entry[ 66.910633] FS: 00007f0b89853580(0000) GS:ffff8f0b3ac00000(0000) knlGS:0000000000000000 .cold+0x2c/0x38 # [ 58.804442] full_proxy_write+0x53/0x80 #[ 66.925890] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.808730] vfs_write+0xe7/0x3a0 # [ 58.812434] ksys_wr[ 66.938524] CR2: 00007f0b8966c000 CR3: 000000010346c001 CR4: 00000000003706f0 ite+0x68/0xf0 # [ 58.816134] do_syscall_64+0x30/0x40 # [ [ 66.952730] Call Trace: 58.820129] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 58.8[ 66.961711] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 25761] RIP: 0033:0x7f771175bf33 # [ 58.829751] Code: 8b 15 61[ 66.973366] direct_entry.cold+0x2c/0x38 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 [ 66.983980] full_proxy_write+0x53/0x80 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00[ 66.994506] vfs_write+0xe7/0x3a0 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ [ 67.004433] ksys_write+0x68/0xf0 58.850738] RSP: 002b:00007fff50a0e0e8 EFLAGS: 00000246 ORIG_RAX[ 67.014338] do_syscall_64+0x30/0x40 : 0000000000000001 # [ 58.859186] RAX: ffffffffffffffda RBX: [ 67.024586] entry_SYSCALL_64_after_hwframe+0x61/0xc6 0000000000000009 RCX: 00007f771175bf33 # [ 58.867154] RDX: 00[ 67.036426] RIP: 0033:0x7f0b8977bf33 00000000000009 RSI: 00007f771164c000 RDI: 0000000000000001 # [ [ 67.046676] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 58.875125] RBP: 00007f771164c000 R08: 00007f771164b010 R09: 00[ 67.073872] RSP: 002b:00007ffdd4acc478 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 00000000000000 # [ 58.883098] R10: 00007f77118561c0 R11: 0000[ 67.088594] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f0b8977bf33 000000000246 R12: 0000000000000001 # [ 58.891069] R13: 000000[ 67.102797] RDX: 0000000000000017 RSI: 00007f0b8966c000 RDI: 0000000000000001 0000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 58[ 67.117015] RBP: 00007f0b8966c000 R08: 00007f0b8966b010 R09: 0000000000000000 .899045] Modules linked in: fuse ip_tables cros_ec_sensors cros_[ 67.131195] R10: 00007f0b898761c0 R11: 0000000000000246 R12: 0000000000000001 ec_sensors_core industrialio_triggered_buffer kfifo_buf industri[ 67.145415] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 alio cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sy[ 67.159625] irq event stamp: 0 sfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbp[ 67.169275] hardirqs last enabled at (0): [<0000000000000000>] 0x0 d_notify # [ 58.925491] CR2: ffffffff84cda1b0 # [ 58.92918[ 67.182489] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 9] ---[ end trace e2f66c91d8f90f64 ]--- # [ 58.934345] RIP: 0[ 67.197867] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 010:lkdtm_BUG+0x5/0x10 # [ 58.938714] Code: 89 ff e8 de bc a3[ 67.213240] softirqs last disabled at (0): [<0000000000000000>] 0x0 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc [ 67.226488] ---[ end trace e2f66c91d8f90f71 ]--- cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84[ 67.237852] lkdtm: Saturation detected: still saturated 00 00 00 00 00 0f 1f 44 00 00 83 05 80 03 74 02 # [ 58.959701] RSP: 0018:ffffa7b4c14afe60 EFLAGS: 00010286 # [ 58.965526] RAX: ffffffff840de190 RBX: 0000000000000001 RCX: 0000000000000000 # [ 58.973497] RDX: 0000000000000000 RSI: ffff8f0b3ac1bf70 RDI: ffffffff84cd9d30 # [ 58.981467] RBP: ffffffff85123c60 R08: 0000000000000001 R09: 0000000000000001 # [ 58.989440] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 58.997404] R13: ffffa7b4c14aff10 R14: ffffa7b4c14aff10 R15: ffff8f0ac408f000 # [ 59.005367] FS: 00007f7711833580(0000) GS:ffff8f0b3ac00000(0000) knlGS:0000000000000000 # [ 59.014406] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 59.020823] CR2: ffffffff84cda1b0 CR3: 00000001035dc003 CR4: 00000000003706f0 # [ 59.028785] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 59.038700] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1952, name: cat # [ 59.047156] INFO: lockdep is turned off. # [ 59.051534] irq event stamp: 0 # [ 59.054939] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 59.061941] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 59.071079] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 59.080207] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 59.087[ 67.384918] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED 208] CPU: 0 PID: 1952 Comm: cat Tainted: G D W 5.10[ 67.393404] lkdtm: attempting bad refcount_dec() from saturated .136-cip14 #1 # [ 59.095860] Hardware name: Google Rammus/Ram[ 67.406234] ------------[ cut here ]------------ mus, BIOS 09/04/2020 # [ 59.102665] Call Trace: # [ 59.10[ 67.417600] refcount_t: decrement hit 0; leaking memory. 5393] dump_stack+0x77/0x9b # [ 59.109092] ___might_sleep.co[ 67.429775] WARNING: CPU: 1 PID: 2424 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 ld+0xa6/0xb6 # [ 59.113656] exit_signals+0x1c/0x2e0 # [ 5[ 67.445389] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 9.117647] do_exit+0xd5/0xb00 # [ 59.121151] ? ksys_write+0x[ 67.478025] CPU: 1 PID: 2424 Comm: cat Tainted: G D W 5.10.136-cip14 #1 68/0xf0 # [ 59.125045] rewind_stack_do_exit+0x17/0x20 # [ [ 67.492889] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 59.129720] RIP: 0033:0x7f771175bf33 # [ 59.133700] Code: 8b [ 67.505912] RIP: 0010:refcount_warn_saturate+0xfb/0x110 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 0[ 67.517963] Code: 40 44 06 85 c6 05 2a 53 74 01 01 e8 d7 61 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 10 44 06 85 c6 05 11 53 74 01 01 e8 bd 61 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 0 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> [ 67.545165] RSP: 0018:ffffa7b4c2f17e48 EFLAGS: 00010286 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 67.557207] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 # [ 59.154687] RSP: 002b:00007fff50a0e0e8 EFLAGS: 00000246 ORI[ 67.571395] RDX: ffff8f0b3acac660 RSI: ffff8f0b3ac9bf70 RDI: ffff8f0b3ac9bf70 G_RAX: 0000000000000001 # [ 59.163145] RAX: ffffffffffffffda [ 67.585578] RBP: ffffffff850c8a44 R08: 0000000000000000 R09: 0000000000000000 RBX: 0000000000000009 RCX: 00007f771175bf33 # [ 59.171116] RD[ 67.599768] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 X: 0000000000000009 RSI: 00007f771164c000 RDI: 0000000000000001[ 67.613951] R13: ffffa7b4c2f17f10 R14: ffffa7b4c2f17f10 R15: ffff8f0ac3500000 # [ 59.179087] RBP: 00007f771164c000 R08: 00007f771164b010 R0[ 67.628133] FS: 00007fd4e6d4a580(0000) GS:ffff8f0b3ac80000(0000) knlGS:0000000000000000 9: 0000000000000000 # [ 59.187059] R10: 00007f77118561c0 R11:[ 67.643387] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 0000000000000246 R12: 0000000000000001 # [ 59.195029] R13: 0[ 67.656020] CR2: 00007fd4e6b63000 CR3: 0000000103226005 CR4: 00000000003706e0 000000000000001 R14: 0000000000020000 R15: 0000000000020000 # W[ 67.670206] Call Trace: RITE_RO: saw 'call trace:': ok ok 39 selftests: lkdtm: WRITE_RO[ 67.679153] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f .sh # selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # Killed # [ [ 67.690816] direct_entry.cold+0x2c/0x38 59.352584] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT [ 67.701411] full_proxy_write+0x53/0x80 # [ 59.365030] lkdtm: attempting bad ro_after_init write at ff[ 67.711908] vfs_write+0xe7/0x3a0 ffffff85146328 # [ 59.372632] BUG: unable to handle page faul[ 67.721823] ksys_write+0x68/0xf0 t for address: ffffffff85146328 # [ 59.380317] #PF: superviso[ 67.731739] do_syscall_64+0x30/0x40 r write access in kernel mode # [ 59.386152] #PF: error_code([ 67.741942] entry_SYSCALL_64_after_hwframe+0x61/0xc6 0x0003) - permissions violation # [ 59.392375] PGD 65829067 P[ 67.753797] RIP: 0033:0x7fd4e6c72f33 4D 65829067 PUD 6582a063 PMD 105084063 PTE 8000000065746061 # [[ 67.753799] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 67.753801] RSP: 002b:00007ffc4df559e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 67.753804] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fd4e6c72f33 [ 67.807617] RDX: 0000000000000017 RSI: 00007fd4e6b63000 RDI: 0000000000000001 59.407347] Oops: 0003 [#15] SMP PTI # [ 59.411336] CPU: 2 [ 67.815590] RBP: 00007fd4e6b63000 R08: 00007fd4e6b62010 R09: 0000000000000000 PID: 1987 Comm: cat Tainted: G D W 5.10.136-cip14 #[ 67.829772] R10: 00007fd4e6d6d1c0 R11: 0000000000000246 R12: 0000000000000001 1 # [ 59.419988] Hardware name: Google Rammus/Rammus, BIOS 0[ 67.843959] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 9/04/2020 # [ 59.426796] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+[ 67.858149] irq event stamp: 0 0x4e/0x5a # [ 59.432825] Code: 97 0c 85 e9 f3 9b fd ff 48 c7 [ 67.867765] hardirqs last enabled at (0): [<0000000000000000>] 0x0 c7 f8 97 0c 85 e8 e7 9b fd ff 48 8b 05 58 ad 9d 00 ba 34 12 cd a[ 67.880981] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 b 48 c7 c7 a0 97 0c 85 48 31 d0 <48> 89 05 42 ad 9d 00 e9 c5 9b [ 67.896330] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 fd ff 0f 1f 44 00 00 41 54 48 c7 c7 # [ 59.453809] RSP: 0018:[ 67.911681] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 67.924896] ---[ end trace e2f66c91d8f90f72 ]--- ffffa7b4c284fe60 EFLAGS: 00010202 # [ 59.459636] RAX: 0000000[ 67.930053] lkdtm: Saturation detected: still saturated 0fe67479e RBX: 0000000000000029 RCX: 0000000000000000 # [ 59.467605] RDX: 00000000abcd1234 RSI: ffff8f0b3ad1bf70 RDI: ffffffff850c97a0 # [ 59.475575] RBP: ffffffff850c8996 R08: 0000000000000000 R09: 0000000000000000 # [ 59.483544] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 # [ 59.491528] R13: ffffa7b4c284ff10 R14: ffffa7b4c284ff10 R15: ffff8f0ac5761000 # [ 59.499496] FS: 00007f1598a00580(0000) GS:ffff8f0b3ad00000(0000) knlGS:0000000000000000 # [ 59.508533] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 59.514948] CR2: ffffffff85146328 CR3: 00000001035dc004 CR4: 00000000003706e0 # [ 59.522917] Call Trace: # [ 59.525646] direct_entry.cold+0x2c/0x38 # [ 59.530027] full_proxy_write+0x53/0x80 # [ 59.534309] vfs_write+0xe7/0x3a0 # [ 59.538007] ksys_write+0x68/0xf0 # [ 59.541705] do_syscall_64+0x30/0x40 # [ 59.545695] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 59.551333] RIP: 0033:0x7f1598928f33 # [ 59.555321] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 59.576305] RSP: 002b:00007ffd37100f38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 59.584760] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f1598928f33 # [ 59.592729] RDX: 0000000000000014 RSI: 00007f1598819000 RDI: 0000000000000001 # [ 59.600698] RBP: 00007f1598819000 R08: 00007f1598818010 R09: 0000000000000000 # [ 59.608668] R10: 00007f1598a231c0 R11: 0000000000[ 68.092542] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED 000246 R12: 0000000000000001 # [ 59.616638] R13: 000000000000[ 68.104450] lkdtm: attempting bad refcount_dec() from saturated 0001 R14: 0000000000020000 R15: 0000000000020000 # [ 59.62461[ 68.117266] ------------[ cut here ]------------ 4] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sen[ 68.128635] refcount_t: saturated; leaking memory. sors_core industrialio_triggered_buffer kfifo_buf industrialio c[ 68.140228] WARNING: CPU: 1 PID: 2459 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 ros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cr[ 68.155840] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify os_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_noti[ 68.188486] CPU: 1 PID: 2459 Comm: cat Tainted: G D W 5.10.136-cip14 #1 [ 68.203349] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 fy # [ 59.651065] CR2: ffffffff85146328 # [ 59.660976] ---[ 68.210159] RIP: 0010:refcount_warn_saturate+0x51/0x110 [ end trace e2f66c91d8f90f65 ]--- # [ 59.666122] RIP: 0010:lk[ 68.222204] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d ce 53 74 01 00 75 ee 48 c7 c7 90 43 06 85 c6 05 be 53 74 01 01 e8 67 62 98 00 <0f> 0b c3 cc cc cc cc 80 3d aa 53 74 01 00 75 cb 48 c7 c7 b8 43 06 [ 68.249402] RSP: 0018:ffffa7b4c2f9fe48 EFLAGS: 00010286 dtm_BUG+0x5/0x10 # [ 59.670499] Code: 89 ff e8 de bc a3 ff 48[ 68.255240] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 [ 68.269417] RDX: ffff8f0b3acac660 RSI: ffff8f0b3ac9bf70 RDI: ffff8f0b3ac9bf70 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 [ 68.277389] RBP: ffffffff850c8a5b R08: 0000000000000000 R09: 0000000000000000 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00[ 68.291569] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 68.305752] R13: ffffa7b4c2f9ff10 R14: ffffa7b4c2f9ff10 R15: ffff8f0ac3dd0000 00 00 00 0f 1f 44 00 00 83 05 80 03 74 02 # [ 59.691485] RSP[ 68.313725] FS: 00007f781d733580(0000) GS:ffff8f0b3ac80000(0000) knlGS:0000000000000000 [ 68.328972] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 : 0018:ffffa7b4c14afe60 EFLAGS: 00010286 # [ 59.697320] RAX: [ 68.335392] CR2: 00007f781d54c000 CR3: 000000010296a001 CR4: 00000000003706e0 [ 68.349569] Call Trace: ffffffff840de190 RBX: 0000000000000001 RCX: 0000000000000000 # [ 68.352303] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 [ 59.705283] RDX: 0000000000000000 RSI: ffff8f0b3ac1bf70 RDI: [ 68.363959] direct_entry.cold+0x2c/0x38 ffffffff84cd9d30 # [ 59.713253] RBP: ffffffff85123c60 R08: 00[ 68.374550] full_proxy_write+0x53/0x80 00000000000001 R09: 0000000000000001 # [ 59.721222] R10: 0000[ 68.385047] vfs_write+0xe7/0x3a0 0000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ [ 68.394965] ksys_write+0x68/0xf0 59.729193] R13: ffffa7b4c14aff10 R14: ffffa7b4c14aff10 R15: ffff[ 68.404880] do_syscall_64+0x30/0x40 8f0ac408f000 # [ 59.737154] FS: 00007f1598a00580(0000) GS:ff[ 68.415084] entry_SYSCALL_64_after_hwframe+0x61/0xc6 ff8f0b3ad00000(0000) knlGS:0000000000000000 # [ 59.746193] CS[ 68.426940] RIP: 0033:0x7f781d65bf33 [ 68.437142] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 : 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 59.752609[ 68.458145] RSP: 002b:00007ffffff28348 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 ] CR2: ffffffff85146328 CR3: 00000001035dc004 CR4: 0000000000370[ 68.472789] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f781d65bf33 [ 68.486972] RDX: 0000000000000017 RSI: 00007f781d54c000 RDI: 0000000000000001 6e0 # WRITE_RO_AFTER_INIT: saw 'call trace:': ok ok 40 selftes[ 68.494946] RBP: 00007f781d54c000 R08: 00007f781d54b010 R09: 0000000000000000 [ 68.509127] R10: 00007f781d7561c0 R11: 0000000000000246 R12: 0000000000000001 ts: lkdtm: WRITE_RO_AFTER_INIT.sh # selftests: lkdtm: WRITE_KER[ 68.517101] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 N.sh # Killed # [ 59.883685] lkdtm: Performing direct entry [ 68.531302] irq event stamp: 0 [ 68.540901] hardirqs last enabled at (0): [<0000000000000000>] 0x0 WRITE_KERN # [ 59.890592] lkdtm: attempting bad 6868880 byte [ 68.547904] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 68.563249] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 write at ffffffff8476b4f0 # [ 59.904311] BUG: unable to handl[ 68.572385] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 68.585594] ---[ end trace e2f66c91d8f90f73 ]--- e page fault for address: ffffffff8476b4f0 # [ 59.918180] #PF[ 68.590752] lkdtm: Saturation detected: still saturated : supervisor write access in kernel mode # [ 59.924015] #PF: error_code(0x0003) - permissions violation # [ 59.930237] PGD 65829067 P4D 65829067 PUD 6582a063 PMD 64c000e1 # [ 59.936955] Oops: 0003 [#16] SMP PTI # [ 59.940945] CPU: 0 PID: 2022 Comm: cat Tainted: G D W 5.10.136-cip14 #1 # [ 59.949586] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 59.956391] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e # [ 59.961550] Code: 53 48 c7 c3 f0 b4 76 84 49 89 dc 48 89 da 49 81 ec 60 e5 0d 84 4c 89 e6 e8 9a 9b fd ff 48 89 df 4c 89 e1 48 c7 c6 60 e5 0d 84 a4 48 c7 c7 a0 97 0c 85 e8 7f 9b fd ff 5b 41 5c e9 b7 fe ff ff # [ 59.982532] RSP: 0018:ffffa7b4c28c7e50 EFLAGS: 00010246 # [ 59.988357] RAX: 000000000000003c RBX: ffffffff8476b4f0 RCX: 000000000068cf90 # [ 59.996326] RDX: 0000000000000000 RSI: ffffffff840de560 RDI: ffffffff8476b4f0 # [ 60.004294] RBP: ffffffff850c89aa R08: 0000000000000000 R09: 0000000000000000 # [ 60.012263] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000068cf90 # [ 60.020232] R13: ffffa7b4c28c7f10 R14: ffffa7b4c28c7f10 R15: ffff8f0ac3203000 # [ 60.028200] FS: 00007f6d3008c580(0000) GS:ffff8f0b3ac00000(0000) knlGS:0000000000000000 # [ 60.037227] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 60.043640] CR2: ffffffff8476b4f0 CR3: 000000010357e005 CR4: 00000000003706f0 # [ 60.051605] Call Trace: # [ 60.054332] direct_entry.cold+0x2c/0x38 # [ 60.058717] full_proxy_write+0x53/0x80 # [ 60.063003] vfs_write+0xe7/0x3a0 # [ 60.066701] ksys_write+0x68/0xf0 # [ 60.070398] do_syscall_64+0x30/0x40 # [ 60.074393] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 60.080023] RIP: 0033:0x7f6d2f[ 68.767336] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED fb4f33 # [ 60.084011] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 [ 68.778466] lkdtm: attempting bad refcount_inc_not_zero() from saturated 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c[ 68.792173] ------------[ cut here ]------------ [ 68.803541] refcount_t: saturated; leaking memory. 0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f [ 68.808921] WARNING: CPU: 1 PID: 2491 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 40 00 48 83 ec 28 48 89 54 24 18 # [ 60.104988] RSP: 002b:000[ 68.824531] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 07ffe88aa8aa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ [ 68.857238] CPU: 1 PID: 2491 Comm: cat Tainted: G D W 5.10.136-cip14 #1 60.113444] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 000[ 68.872080] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 07f6d2ffb4f33 # [ 60.121411] RDX: 000000000000000b RSI: 00007[ 68.885096] RIP: 0010:refcount_warn_saturate+0x97/0x110 [ 68.897145] Code: 01 01 e8 44 62 98 00 0f 0b c3 cc cc cc cc 80 3d 89 53 74 01 00 75 a8 48 c7 c7 90 43 06 85 c6 05 79 53 74 01 01 e8 21 62 98 00 <0f> 0b c3 cc cc cc cc 80 3d 63 53 74 01 00 75 85 48 c7 c7 e8 43 06 f6d2fea5000 RDI: 0000000000000001 # [ 60.129376] RBP: 00007f6[ 68.918129] RSP: 0018:ffffa7b4c3027e38 EFLAGS: 00010282 [ 68.930171] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 d2fea5000 R08: 00007f6d2fea4010 R09: 0000000000000000 # [ 60.[ 68.938142] RDX: ffff8f0b3acac660 RSI: ffff8f0b3ac9bf70 RDI: ffff8f0b3ac9bf70 [ 68.952321] RBP: ffffffff850c8688 R08: 0000000000000000 R09: 0000000000000000 137345] R10: 00007f6d300af1c0 R11: 0000000000000246 R12: 0000000[ 68.960294] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 68.974484] R13: ffffa7b4c3027f10 R14: ffffa7b4c3027f10 R15: ffff8f0ac276a000 000000001 # [ 60.145312] R13: 0000000000000001 R14: 000000000[ 68.982478] FS: 00007fbc0442c580(0000) GS:ffff8f0b3ac80000(0000) knlGS:0000000000000000 [ 68.997726] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 0020000 R15: 0000000000020000 # [ 60.153283] Modules linked i[ 69.004145] CR2: 00007fbc04245000 CR3: 0000000102950002 CR4: 00000000003706e0 [ 69.018323] Call Trace: n: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industria[ 69.021073] __refcount_add_not_zero.constprop.0+0x2a/0x35 lio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros[ 69.033389] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 [ 69.045923] direct_entry.cold+0x2c/0x38 _ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub x86[ 69.050308] full_proxy_write+0x53/0x80 _pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 60.179718[ 69.060800] vfs_write+0xe7/0x3a0 ] CR2: ffffffff8476b4f0 # [ 60.183405] ---[ end trace e2f66c9[ 69.070713] ksys_write+0x68/0xf0 1d8f90f66 ]--- # [ 60.188558] RIP: 0010:lkdtm_BUG+0x5/0x10 #[ 69.080629] do_syscall_64+0x30/0x40 [ 60.192934] Code: 89 ff e8 de bc a3 ff 48 c7 c0 ea ff ff ff [ 69.090830] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 69.102685] RIP: 0033:0x7fbc04354f33 eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff e[ 69.106675] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 69.133863] RSP: 002b:00007fffb86c0c58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 b c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 [ 69.142320] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fbc04354f33 [ 69.156498] RDX: 0000000000000020 RSI: 00007fbc04245000 RDI: 0000000000000001 00 00 83 05 80 03 74 02 # [ 60.213914] RSP: 0018:ffffa7b4c14a[ 69.164483] RBP: 00007fbc04245000 R08: 00007fbc04244010 R09: 0000000000000000 [ 69.178653] R10: 00007fbc0444f1c0 R11: 0000000000000246 R12: 0000000000000001 fe60 EFLAGS: 00010286 # [ 60.219738] RAX: ffffffff840de190 RB[ 69.186624] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 X: 0000000000000001 RCX: 0000000000000000 # [ 60.227706] RDX:[ 69.200806] irq event stamp: 0 [ 69.210426] hardirqs last enabled at (0): [<0000000000000000>] 0x0 0000000000000000 RSI: ffff8f0b3ac1bf70 RDI: ffffffff84cd9d30 #[ 69.217429] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 69.232772] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 60.235675] RBP: ffffffff85123c60 R08: 0000000000000001 R09:[ 69.241911] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 69.255119] ---[ end trace e2f66c91d8f90f74 ]--- 0000000000000001 # [ 60.243641] R10: 00000000ffffe000 R11: 3[ 69.260275] lkdtm: Saturation detected: still saturated fffffffffffffff R12: 0000000000000004 # [ 60.251610] R13: ffffa7b4c14aff10 R14: ffffa7b4c14aff10 R15: ffff8f0ac408f000 # [ 60.259577] FS: 00007f6d3008c580(0000) GS:ffff8f0b3ac00000(0000) knlGS:0000000000000000 # [ 60.268613] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 60.275028] CR2: ffffffff8476b4f0 CR3: 000000010357e005 CR4: 00000000003706f0 # [ 60.282995] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 60.292905] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 2022, name: cat # [ 60.301358] INFO: lockdep is turned off. # [ 60.305734] irq event stamp: 0 # [ 60.309139] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 60.316140] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 60.325274] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 60.334407] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 60.341404] CPU: 0 PID: 2022 Comm: cat Tainted: G D W 5.10.136-cip14 #1 # [ 60.350050] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 60.356851] Call Trace: # [ 60.359580] dump_stack+0x77/0x9b # [ 60.363278] ___might_sleep.cold+0xa6/0xb6 # [ 60.36[ 69.392427] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED 7850] exit_signals+0x1c/0x2e0 # [ 60.371839] do_exit+0xd5/0[ 69.404305] lkdtm: attempting bad refcount_add_not_zero() from saturated xb00 # [ 60.375340] ? ksys_write+0x68/0xf0 # [ 60.379232][ 69.418007] ------------[ cut here ]------------ ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 # [ 60.384678] rewi[ 69.429375] refcount_t: saturated; leaking memory. nd_stack_do_exit+0x17/0x20 # [ 60.389346] RIP: 0033:0x7f6d2ff[ 69.440966] WARNING: CPU: 1 PID: 2523 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 b4f33 # [ 60.393333] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 4[ 69.456601] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 8 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0[ 69.489233] CPU: 1 PID: 2523 Comm: cat Tainted: G D W 5.10.136-cip14 #1 [ 69.504099] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 4[ 69.510909] RIP: 0010:refcount_warn_saturate+0x97/0x110 0 00 48 83 ec 28 48 89 54 24 18 # [ 60.414319] RSP: 002b:0000[ 69.522954] Code: 01 01 e8 44 62 98 00 0f 0b c3 cc cc cc cc 80 3d 89 53 74 01 00 75 a8 48 c7 c7 90 43 06 85 c6 05 79 53 74 01 01 e8 21 62 98 00 <0f> 0b c3 cc cc cc cc 80 3d 63 53 74 01 00 75 85 48 c7 c7 e8 43 06 7ffe88aa8aa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ [ 69.550148] RSP: 0018:ffffa7b4c3087e38 EFLAGS: 00010282 [ 69.562197] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 60.422774] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 0000[ 69.570169] RDX: ffff8f0b3acac660 RSI: ffff8f0b3ac9bf70 RDI: ffff8f0b3ac9bf70 [ 69.584346] RBP: ffffffff850c86a8 R08: 0000000000000000 R09: 0000000000000000 7f6d2ffb4f33 # [ 60.430741] RDX: 000000000000000b RSI: 00007f[ 69.592320] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 69.606497] R13: ffffa7b4c3087f10 R14: ffffa7b4c3087f10 R15: ffff8f0ac643d000 6d2fea5000 RDI: 0000000000000001 # [ 60.438712] RBP: 00007f6d[ 69.614485] FS: 00007fd6f0738580(0000) GS:ffff8f0b3ac80000(0000) knlGS:0000000000000000 [ 69.629733] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 2fea5000 R08: 00007f6d2fea4010 R09: 0000000000000000 # [ 60.4[ 69.636154] CR2: 00007fd6f0551000 CR3: 0000000105504004 CR4: 00000000003706e0 [ 69.650333] Call Trace: 46679] R10: 00007f6d300af1c0 R11: 0000000000000246 R12: 00000000[ 69.653068] __refcount_add_not_zero.constprop.0+0x2a/0x35 00000001 # [ 60.454649] R13: 0000000000000001 R14: 0000000000[ 69.665403] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 020000 R15: 0000000000020000 # WRITE_KERN: saw 'call trace:': o[ 69.677937] direct_entry.cold+0x2c/0x38 k ok 41 selftests: lkdtm: WRITE_KERN.sh # selftests: lkdtm: RE[ 69.688536] full_proxy_write+0x53/0x80 FCOUNT_INC_OVERFLOW.sh # [ 60.652630] lkdtm: Performing direc[ 69.699031] vfs_write+0xe7/0x3a0 t entry REFCOUNT_INC_OVERFLOW # [ 60.662037] lkdtm: attemptin[ 69.708950] ksys_write+0x68/0xf0 g good refcount_inc() without overflow # [ 60.675164] lkdtm: [ 69.718863] do_syscall_64+0x30/0x40 attempting bad refcount_inc() overflow # [ 60.687408] -------[ 69.729068] entry_SYSCALL_64_after_hwframe+0x61/0xc6 -----[ cut here ]------------ # [ 60.692564] refcount_t: satu[ 69.740921] RIP: 0033:0x7fd6f0660f33 [ 69.751123] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 rated; leaking memory. # [ 60.704136] WARNING: CPU: 1 PID: 20[ 69.772106] RSP: 002b:00007ffe356c8648 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 57 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ [ 69.786772] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fd6f0660f33 [ 69.800955] RDX: 0000000000000020 RSI: 00007fd6f0551000 RDI: 0000000000000001 60.719767] Modules linked in: fuse ip_tables cros_ec_sensors cr[ 69.808927] RBP: 00007fd6f0551000 R08: 00007fd6f0550010 R09: 0000000000000000 [ 69.823105] R10: 00007fd6f075b1c0 R11: 0000000000000246 R12: 0000000000000001 os_ec_sensors_core industrialio_triggered_buffer kfifo_buf indus[ 69.831076] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 trialio cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec[ 69.845277] irq event stamp: 0 [ 69.854877] hardirqs last enabled at (0): [<0000000000000000>] 0x0 _sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_u[ 69.861881] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 sbpd_notify # [ 60.752401] CPU: 1 PID: 2057 Comm: cat Tainted[ 69.877224] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 69.892573] softirqs last disabled at (0): [<0000000000000000>] 0x0 : G D W 5.10.136-cip14 #1 # [ 60.767271] Hardwar[ 69.899574] ---[ end trace e2f66c91d8f90f75 ]--- [ 69.910938] lkdtm: Saturation detected: still saturated e name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 60.780291] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 60.792342] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d ce 53 74 01 00 75 ee 48 c7 c7 90 43 06 85 c6 05 be 53 74 01 01 e8 67 62 98 00 <0f> 0b c3 cc cc cc cc 80 3d aa 53 74 01 00 75 cb 48 c7 c7 b8 43 06 # [ 60.819538] RSP: 0018:ffffa7b4c2967e48 EFLAGS: 00010286 # [ 60.831589] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 # [ 60.845773] RDX: ffff8f0b3acac660 RSI: ffff8f0b3ac9bf70 RDI: ffff8f0b3ac9bf70 # [ 60.859962] RBP: ffffffff850c89b5 R08: 0000000000000000 R09: 0000000000000000 # [ 60.874147] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 60.888337] R13: ffffa7b4c2967f10 R14: ffffa7b4c2967f10 R15: ffff8f0ac5766000 # [ 60.902520] FS: 00007f00f418e580(0000) GS:ffff8f0b3ac80000(0000) knlGS:0000000000000000 # [ 60.917774] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 60.930407] CR2: 00007f00f3fa7000 CR3: 0000000105634003 CR4: 00000000003706e0 # [ 60.944595] Call Trace: # [ 60.953540] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 # [ 60.965106] direct_entry.cold+0x2c/0x38 # [ 60.975699] full_proxy_write+0x53/0x80 # [ 60.986197] vfs_write+0xe7/0x3a0 # [ 60.996121] ksys_write+0x68/0xf0 # [ 61.006032] do_syscall_64+0x30/0x40 # [ 61.016229] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 61.028085] RIP: 0033:0x7f00f40b6f33 # [ 61.[ 70.056379] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED 038288] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff[ 70.067413] lkdtm: attempting bad refcount_dec_and_test() from saturated ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 [ 70.081111] ------------[ cut here ]------------ [ 70.092482] refcount_t: underflow; use-after-free. 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28[ 70.097862] WARNING: CPU: 1 PID: 2558 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 48 89 54 24 18 # [ 61.065483] RSP: 002b:00007fff08de6b28 EFL[ 70.113482] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify AGS: 00000246 ORIG_RAX: 0000000000000001 # [ 61.080153] RAX: [ 70.146121] CPU: 1 PID: 2558 Comm: cat Tainted: G D W 5.10.136-cip14 #1 ffffffffffffffda RBX: 0000000000000016 RCX: 00007f00f40b6f33 # [ 70.160982] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 61.094341] RDX: 0000000000000016 RSI: 00007f00f3fa7000 RDI: [ 70.174005] RIP: 0010:refcount_warn_saturate+0xba/0x110 0000000000000001 # [ 61.108528] RBP: 00007f00f3fa7000 R08: 00[ 70.186056] Code: 01 01 e8 21 62 98 00 0f 0b c3 cc cc cc cc 80 3d 63 53 74 01 00 75 85 48 c7 c7 e8 43 06 85 c6 05 53 53 74 01 01 e8 fe 61 98 00 <0f> 0b c3 cc cc cc cc 80 3d 3e 53 74 01 00 0f 85 5e ff ff ff 48 c7 007f00f3fa6010 R09: 0000000000000000 # [ 61.122716] R10: 0000[ 70.213255] RSP: 0018:ffffa7b4c30ffe40 EFLAGS: 00010286 7f00f41b11c0 R11: 0000000000000246 R12: 0000000000000001 # [ [ 70.225302] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 61.136904] R13: 0000000000000001 R14: 0000000000020000 R15: 0000[ 70.239491] RDX: ffff8f0b3acac660 RSI: ffff8f0b3ac9bf70 RDI: ffff8f0b3ac9bf70 000000020000 # [ 61.151099] irq event stamp: 0 # [ 61.1607[ 70.253677] RBP: ffffffff850c86c8 R08: 0000000000000000 R09: 0000000000000000 22] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [[ 70.267865] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 61.173941] hardirqs last disabled at (0): [[ 70.282052] R13: ffffa7b4c30fff10 R14: ffffa7b4c30fff10 R15: ffff8f0ac4089000 ] copy_process+0x640/0x1c80 # [ 61.189297] softirqs last ena[ 70.296234] FS: 00007f400cd63580(0000) GS:ffff8f0b3ac80000(0000) knlGS:0000000000000000 bled at (0): [] copy_process+0x640/0x1c80 # [[ 70.311489] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 61.204652] softirqs last disabled at (0): [<0000000000000000>[ 70.324124] CR2: 00007f400cb7c000 CR3: 000000010329c003 CR4: 00000000003706e0 ] 0x0 # [ 61.217892] ---[ end trace e2f66c91d8f90f67 ]--- # [ 70.338309] Call Trace: [ 61.229264] lkdtm: Overflow detected: saturated # REFCOUNT_I[ 70.347259] __refcount_sub_and_test.constprop.0+0x3c/0x50 NC_OVERFLOW: saw 'call trace:': ok ok 42 selftests: lkdtm: REFC[ 70.359599] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 OUNT_INC_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.[ 70.372134] direct_entry.cold+0x2c/0x38 sh # [ 61.375896] lkdtm: Performing direct entry REFCOUNT_ADD[ 70.382726] full_proxy_write+0x53/0x80 _OVERFLOW # [ 61.384319] lkdtm: attempting good refcount_add([ 70.393223] vfs_write+0xe7/0x3a0 ) without overflow # [ 61.397437] lkdtm: attempting bad refco[ 70.403145] ksys_write+0x68/0xf0 unt_add() overflow # [ 61.409681] ------------[ cut here ]---[ 70.413057] do_syscall_64+0x30/0x40 --------- # [ 61.421053] refcount_t: saturated; leaking memor[ 70.423254] entry_SYSCALL_64_after_hwframe+0x61/0xc6 y. # [ 61.432650] WARNING: CPU: 1 PID: 2089 at lib/refcount.c[ 70.435108] RIP: 0033:0x7f400cc8bf33 :22 refcount_warn_saturate+0x51/0x110 # [ 61.448265] Modules [ 70.445311] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core i[ 70.472519] RSP: 002b:00007fff2e1a53f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 ndustrialio_triggered_buffer kfifo_buf industrialio cros_ec_debu[ 70.487195] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f400cc8bf33 gfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_senso[ 70.501379] RDX: 0000000000000020 RSI: 00007f400cb7c000 RDI: 0000000000000001 rhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 6[ 70.515563] RBP: 00007f400cb7c000 R08: 00007f400cb7b010 R09: 0000000000000000 1.480908] CPU: 1 PID: 2089 Comm: cat Tainted: G D W [ 70.529747] R10: 00007f400cd861c0 R11: 0000000000000246 R12: 0000000000000001 5.10.136-cip14 #1 # [ 61.495779] Hardware name: Google Rammu[ 70.543932] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 s/Rammus, BIOS 09/04/2020 # [ 61.508800] RIP: 0010:refcount_[ 70.558122] irq event stamp: 0 warn_saturate+0x51/0x110 # [ 61.520852] Code: 84 bc 00 00 00 [ 70.567739] hardirqs last enabled at (0): [<0000000000000000>] 0x0 c3 cc cc cc cc 85 f6 74 46 80 3d ce 53 74 01 00 75 ee 48 c7 c7 9[ 70.580957] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 0 43 06 85 c6 05 be 53 74 01 01 e8 67 62 98 00 <0f> 0b c3 cc cc [ 70.596307] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 cc cc 80 3d aa 53 74 01 00 75 cb 48 c7 c7 b8 43 06 # [ 61.548[ 70.611655] softirqs last disabled at (0): [<0000000000000000>] 0x0 076] RSP: 0018:ffffa7b4c299fe48 EFLAGS: 00010286 # [ 61.56010[ 70.624870] ---[ end trace e2f66c91d8f90f76 ]--- 6] RAX: 0000000000000000 RBX: 000000000000002c RCX: 000000000000[ 70.636241] lkdtm: Saturation detected: still saturated 0000 # [ 61.574291] RDX: ffff8f0b3acac660 RSI: ffff8f0b3ac9bf70 RDI: ffff8f0b3ac9bf70 # [ 61.582266] RBP: ffffffff850c89cb R08: 0000000000000000 R09: 0000000000000000 # [ 61.596448] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 61.604420] R13: ffffa7b4c299ff10 R14: ffffa7b4c299ff10 R15: ffff8f0ac5766000 # [ 61.612393] FS: 00007f115d67f580(0000) GS:ffff8f0b3ac80000(0000) knlGS:0000000000000000 # [ 61.627639] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 61.634059] CR2: 00007f115d498000 CR3: 00000001041f4005 CR4: 00000000003706e0 # [ 61.648237] Call Trace: # [ 61.650971] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 # [ 61.662533] direct_entry.cold+0x2c/0x38 # [ 61.673126] full_proxy_write+0x53/0x80 # [ 61.683624] vfs_write+0xe7/0x3a0 # [ 61.693536] ksys_write+0x68/0xf0 # [ 61.703451] do_syscall_64+0x30/0x40 # [ 61.713655] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 61.725532] RIP: 0033:0x7f115d5a7f33 # [ 61.735736] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 61.756719] RSP: 002b:00007ffc689ae8b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 61.771390] RAX: ffffffffffffffda RBX[ 70.777496] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED [ 70.786641] lkdtm: attempting bad refcount_sub_and_test() from saturated [ 70.794149] ------------[ cut here ]------------ [ 70.799306] refcount_t: underflow; use-after-free. [ 70.804705] WARNING: CPU: 2 PID: 2593 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 : 0000000000000016 RCX: 00007f115d5a7f33 # [ 61.785576] RDX: [ 70.814140] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 70.846767] CPU: 2 PID: 2593 Comm: cat Tainted: G D W 5.10.136-cip14 #1 [ 70.855417] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 70.862223] RIP: 0010:refcount_warn_saturate+0xba/0x110 [ 70.868056] Code: 01 01 e8 21 62 98 00 0f 0b c3 cc cc cc cc 80 3d 63 53 74 01 00 75 85 48 c7 c7 e8 43 06 85 c6 05 53 53 74 01 01 e8 fe 61 98 00 <0f> 0b c3 cc cc cc cc 80 3d 3e 53 74 01 00 0f 85 5e ff ff ff 48 c7 [ 70.889036] RSP: 0018:ffffa7b4c3187e40 EFLAGS: 00010286 [ 70.894872] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 [ 70.902841] RDX: ffff8f0b3ad2c660 RSI: ffff8f0b3ad1bf70 RDI: ffff8f0b3ad1bf70 0000000000000016 RSI: 00007f115d498000 RDI: 0000000000000001 # [ 70.910820] RBP: ffffffff850c86e8 R08: 0000000000000000 R09: 0000000000000000 [ 70.925002] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 70.932998] R13: ffffa7b4c3187f10 R14: ffffa7b4c3187f10 R15: ffff8f0ac359d000 [ 70.940970] FS: 00007fedde07a580(0000) GS:ffff8f0b3ad00000(0000) knlGS:0000000000000000 [ 70.950010] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.956425] CR2: 00007feddde93000 CR3: 0000000103c2a006 CR4: 00000000003706e0 [ 70.964422] Call Trace: [ 61.799760] RBP: 00007f115d498000 R08: 00007f115d497010 R09: [ 70.967167] __refcount_sub_and_test.constprop.0+0x3c/0x50 [ 70.979496] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 [ 70.985825] direct_entry.cold+0x2c/0x38 [ 70.990232] full_proxy_write+0x53/0x80 [ 70.994547] vfs_write+0xe7/0x3a0 [ 70.998278] ksys_write+0x68/0xf0 [ 71.002005] do_syscall_64+0x30/0x40 0000000000000000 # [ 61.807732] R10: 00007f115d6a21c0 R11: 00[ 71.006021] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 71.017871] RIP: 0033:0x7fedddfa2f33 [ 71.021862] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 71.042844] RSP: 002b:00007ffd7062fa58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 71.051302] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fedddfa2f33 [ 71.059273] RDX: 0000000000000020 RSI: 00007feddde93000 RDI: 0000000000000001 [ 71.067245] RBP: 00007feddde93000 R08: 00007feddde92010 R09: 0000000000000000 [ 71.075215] R10: 00007fedde09d1c0 R11: 0000000000000246 R12: 0000000000000001 [ 71.083185] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 71.091175] irq event stamp: 0 00000000000246 R12: 0000000000000001 # [ 61.821913] R13: 0000[ 71.094590] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 71.107799] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 71.116936] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 71.126072] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 71.133070] ---[ end trace e2f66c91d8f90f77 ]--- [ 71.138226] lkdtm: Saturation detected: still saturated 000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 61.829907] irq event stamp: 0 # [ 61.839503] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 61.852719] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 61.868072] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 61.883421] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 61.896635] ---[ end trace e2f66c91d8f90f68 ]--- # [ 61.901793] lkdtm: Overflow detected: saturated # REFCOUNT_ADD_OVERFLOW: saw 'call trace:': ok ok 43 selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh # [ 62.018595] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 62.026393] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 62.039529] ------------[ cut here ]------------ # [ 62.044712] refcount_t: saturated; leaking memory. # [ 62.056286] WARNING: CPU: 1 PID: 2121 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 62.071919] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 62.104587] CPU: 1 PID: 2121 Comm: cat Tainted: G D W 5.10.136-cip14 #1 # [ 62.119431] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 62.132450] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 62.144503] Code: 01 01 e8 44 62 98 00 0f 0b c3 cc cc cc cc 80 3d 89 53 74 01 00 75 a8 48 c7 c7 90 43 06 85 c6 05 79 53 74 01 01 e8 21 62 98 00 <0f> 0b c3 cc cc cc cc 80 3d 63 53 74 01 00 75 85 48 c7 c7 e8 43 06 # [ 62.171704] RSP: 0018:ffffa7b4c2a37e38 EFLAGS: 00010282 # [ 62.183759] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 62.197946] RDX: ffff8f0b3acac660 RSI: ffff8f0b3ac9bf70 RDI: ffff8f0b3ac9bf70 # [ 62.212135] RBP: ffffffff850c8608 R08: 0000000000000000 R09: 0000000000000000 # [ 62.226329] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 62.240534] R13: ffffa7b4c2a37f10 R14: ffffa7b4c2a37f10 R15: ffff8f0ac3dcd000 # [ 62.248528] FS: 00007f6bc8d38580(0000) GS:ffff8f0b3ac80000(0000) knlGS:0000000000000000 # [ 62.263775] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 62.270193] CR2: 00007f6bc8b51000 CR3: 00000001052e4003 CR4: 00000000003706e0 # [ 62.284370] Call Trace: # [ 62.287102] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 62.299437] lkdt[ 71.393689] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO [ 71.405875] lkdtm: attempting good copy_to_user of correct size [ 71.412499] lkdtm: attempting bad copy_to_user of too large size m_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 62.311874] direct_entry.cold+0x2c/0x38 # [ 62.316256] full_proxy_write+0x53/0x80 # [ 62.326750] vfs_write+0xe7/0x3a0 # [ 62.336667] ksys_write+0x68/0xf0 # [ 62.346585] do_syscall_64+0x30/0x40 # [ 62.356792] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 62.368652] RIP: 0033:0x7f6bc8c60f33 # [ 62.378857] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 62.406056] RSP: 002b:00007ffe1ffbf4e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 62.420734] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f6bc8c60f33 # [ 62.434923] RDX: 000000000000001f RSI: 00007f6bc8b51000 RDI: 0000000000000001 # [ 62.449109] RBP: 00007f6bc8b51000 R08: 00007f6bc8b50010 R09: 0000000000000000 # [ 62.463298] R10: 00007f6bc8d5b1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 62.477489] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 62.491701] irq event stamp: 0 # [ 62.501305] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 62.514536] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 62.529894] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 62.545249] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 62.558485] ---[ end trace e2f66c91d8f90f69 ]--- # [ 62.569857] lkdtm: Overflow detected: saturated # REFCOUNT_INC_NOT_ZERO_[ 71.570720] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM OVERFLOW: saw 'call trace:': ok ok 44 selftests: lkdtm: REFCOUN[ 71.581718] lkdtm: attempting good copy_from_user of correct size T_INC_NOT_ZERO_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_ADD_NOT[ 71.594743] lkdtm: attempting bad copy_from_user of too large size _ZERO_OVERFLOW.sh # [ 62.692355] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 62.700685] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 62.707601] ------------[ cut here ]------------ # [ 62.712767] refcount_t: saturated; leaking memory. # [ 62.724343] WARNING: CPU: 2 PID: 2153 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 62.739982] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 62.772679] CPU: 2 PID: 2153 Comm: cat Tainted: G D W 5.10.136-cip14 #1 # [ 62.781343] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 62.794357] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 62.800191] Code: 01 01 e8 44 62 98 00 0f 0b c3 cc cc cc cc 80 3d 89 53 74 01 00 75 a8 48 c7 c7 90 43 06 85 c6 05 79 53 74 01 01 e8 21 62 98 00 <0f> 0b c3 cc cc cc cc 80 3d 63 53 74 01 00 75 85 48 c7 c7 e8 43 06 # [ 62.821174] RSP: 0018:ffffa7b4c2adfe38 EFLAGS: 00010282 # [ 62.827010] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 62.834981] RDX: ffff8f0b3ad2c660 RSI: ffff8f0b3ad1bf70 RDI: ffff8f0b3ad1bf70 # [ 62.842952] RBP: ffffffff850c8628 R08: 0000000000000000 R09: 0000000000000000 # [ 62.850924] R10: 00000000ffffe000 R11: 3fffffffffffff[ 71.744668] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO [ 71.758018] lkdtm: attempting good copy_to_user inside whitelist [ 71.764746] lkdtm: attempting bad copy_to_user outside whitelist ff R12: 000000000000001f # [ 62.858895] R13: ffffa7b4c2adff10 R14: ffffa7b4c2adff10 R15: ffff8f0ac2967000 # [ 62.866868] FS: 00007fcd54dbd580(0000) GS:ffff8f0b3ad00000(0000) knlGS:0000000000000000 # [ 62.875908] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 62.882323] CR2: 00007fcd54bd6000 CR3: 0000000103d84001 CR4: 00000000003706e0 # [ 62.890296] Call Trace: # [ 62.893026] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 62.899186] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 62.905411] direct_entry.cold+0x2c/0x38 # [ 62.909794] full_proxy_write+0x53/0x80 # [ 62.914108] vfs_write+0xe7/0x3a0 # [ 62.917831] ksys_write+0x68/0xf0 # [ 62.921536] do_syscall_64+0x30/0x40 # [ 62.925551] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 62.931193] RIP: 0033:0x7fcd54ce5f33 # [ 62.935183] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 62.956169] RSP: 002b:00007ffc059ca088 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 62.964628] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fcd54ce5f33 # [ 62.972601] RDX: 000000000000001f RSI: 00007fcd54bd6000 RDI: 0000000000000001 # [ 62.980573] RBP: 00007fcd54bd6000 R08: 00007fcd54bd5010 R09: 0000000000000000 # [ 62.988549] R10: 00007fcd54de01c0 R11: 0000000000000246 R12: 0000000000000001 # [ 63.002739] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 63.016935] irq event stamp: 0 # [ 63.020371] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 63.033581] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 63.042719] softirqs last enabled at (0): [] copy_process+0x6[ 71.945628] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM [ 71.959197] lkdtm: attempting good copy_from_user inside whitelist [ 71.966120] lkdtm: attempting bad copy_from_user outside whitelist 40/0x1c80 # [ 63.051858] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 63.058860] ---[ end trace e2f66c91d8f90f6a ]--- # [ 63.064014] lkdtm: Overflow detected: saturated # REFCOUNT_ADD_NOT_ZERO_OVERFLOW: saw 'call trace:': ok ok 45 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_DEC_ZERO.sh # [ 63.196133] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 63.205957] lkdtm: attempting good refcount_dec() # [ 63.211233] lkdtm: attempting bad refcount_dec() to zero # [ 63.217182] ------------[ cut here ]------------ # [ 63.222347] refcount_t: decrement hit 0; leaking memory. # [ 63.228296] WARNING: CPU: 2 PID: 2185 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 63.237732] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 63.270417] CPU: 2 PID: 2185 Comm: cat Tainted: G D W 5.10.136-cip14 #1 # [ 63.285286] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 63.298309] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 63.304143] Code: 40 44 06 85 c6 05 2a 53 74 01 01 e8 d7 61 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 10 44 06 85 c6 05 11 53 74 01 01 e8 bd 61 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 63.325128] RSP: 0018:ffffa7b4c2b6fe48 EFLAGS: 00010286 # [ 72.118968] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO [ 72.129262] lkdtm: good_stack: ffffa7b4c3547e20-ffffa7b4c3547e40 [ 63.330985] RAX: 0000000000000000 RBX: 000000000000002f RCX: [ 72.135974] lkdtm: bad_stack : ffffa7b4c3547da8-ffffa7b4c3547dc8 [ 72.148903] lkdtm: attempting good copy_to_user of local stack [ 72.155430] lkdtm: attempting bad copy_to_user of distant stack 0000000000000000 # [ 63.338968] RDX: ffff8f0b3ad2c660 RSI: ffff8f0b3ad1bf70 RDI: ffff8f0b3ad1bf70 # [ 63.353145] RBP: ffffffff850c89e1 R08: 0000000000000000 R09: 0000000000000000 # [ 63.361115] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 63.369085] R13: ffffa7b4c2b6ff10 R14: ffffa7b4c2b6ff10 R15: ffff8f0ac3295000 # [ 63.377058] FS: 00007f7a2a1e3580(0000) GS:ffff8f0b3ad00000(0000) knlGS:0000000000000000 # [ 63.386098] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 63.392536] CR2: 00007f7a29ffc000 CR3: 00000001040d0006 CR4: 00000000003706e0 # [ 63.400506] Call Trace: # [ 63.403280] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd # [ 63.408265] direct_entry.cold+0x2c/0x38 # [ 63.412647] full_proxy_write+0x53/0x80 # [ 63.416954] vfs_write+0xe7/0x3a0 # [ 63.420655] ksys_write+0x68/0xf0 # [ 63.424356] do_syscall_64+0x30/0x40 # [ 63.428370] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 63.434011] RIP: 0033:0x7f7a2a10bf33 # [ 63.437999] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 63.458978] RSP: 002b:00007ffc271c6d58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 63.467435] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f7a2a10bf33 # [ 63.475406] RDX: 0000000000000012 RSI: 00007f7a29ffc000 RDI: 0000000000000001 # [ 63.483377] RBP: 00007f7a29ffc000 R08: 00007f7a29ffb0[ 72.306215] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM [ 72.318341] lkdtm: good_stack: ffffa7b4c3597e20-ffffa7b4c3597e40 10 R09: 0000000000000000 # [ 63.491348] R10: 00007f7a2a2061c0[ 72.325063] lkdtm: bad_stack : ffffa7b4c3597da8-ffffa7b4c3597dc8 [ 72.338007] lkdtm: attempting good copy_from_user of local stack R11: 0000000000000246 R12: 0000000000000001 # [ 63.499319] R[ 72.344728] lkdtm: attempting bad copy_from_user of distant stack 13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 63.507293] irq event stamp: 0 # [ 63.510730] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 63.517731] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 63.526869] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 63.536006] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 63.543005] ---[ end trace e2f66c91d8f90f6b ]--- # [ 63.548162] lkdtm: Zero detected: saturated # REFCOUNT_DEC_ZERO: saw 'call trace:': ok ok 46 selftests: lkdtm: REFCOUNT_DEC_ZERO.sh # selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh # [ 63.684371] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 63.696409] lkdtm: attempting bad refcount_dec() below zero # [ 63.708871] ------------[ cut here ]------------ # [ 63.720217] refcount_t: decrement hit 0; leaking memory. # [ 63.726180] WARNING: CPU: 1 PID: 2220 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 63.741790] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 63.774427] CPU: 1 PID: 2220 Comm: cat Tainted: G D W 5.10.136-cip14 #1 # [ 63.789288] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 63.802308] RIP: 0010:refcount_warn_saturate+0xfb/0x110[ 72.502219] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND [ 72.513669] lkdtm: good_stack: ffffa7b4c3667e20-ffffa7b4c3667e40 # [ 63.814355] Code: 40 44 06 85 c6 05 2a 53 74 01 01 e8 d7 6[ 72.520390] lkdtm: bad_stack : ffffa7b4c3667ff8-ffffa7b4c3668018 [ 72.533336] lkdtm: attempting good copy_to_user of local stack 1 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 10 44 06 85 c6 05 11 53 74[ 72.539864] lkdtm: attempting bad copy_to_user of distant stack [ 72.552684] lkdtm: copy_to_user failed, but lacked Oops 01 01 e8 bd 61 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 63.841551] RSP: 0018:ffffa7b4c2bf7e48 EFLAGS: 00010286 # [ 63.853607] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 # [ 63.867791] RDX: ffff8f0b3acac660 RSI: ffff8f0b3ac9bf70 RDI: ffff8f0b3ac9bf70 # [ 63.881977] RBP: ffffffff850c89f3 R08: 0000000000000000 R09: 0000000000000000 # [ 63.896189] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 63.910372] R13: ffffa7b4c2bf7f10 R14: ffffa7b4c2bf7f10 R15: ffff8f0ac275a000 # [ 63.924537] FS: 00007fb4fae28580(0000) GS:ffff8f0b3ac80000(0000) knlGS:0000000000000000 # [ 63.939791] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 63.952425] CR2: 00007fb4fac41000 CR3: 0000000104176004 CR4: 00000000003706e0 # [ 63.960395] Call Trace: # [ 63.969338] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 # [ 63.980901] direct_entry.cold+0x2c/0x38 # [ 63.991496] full_proxy_write+0x53/0x80 # [ 64.001990] vfs_write+0xe7/0x3a0 # [ 64.011904] ksys_write+0x68/0xf0 # [ 64.021820] do_syscall_64+0x30/0x40 # [ 64.032023] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 64.043880] RIP: 0033:0x7fb4fad50f33 # [ 64.054083] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 64.081276] RSP: 002b:00007fffb66c61b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [[ 72.704236] lkdtm: Performing direct entry USERCOPY_KERNEL 64.095945] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 0[ 72.713841] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff84cda1d0 0007fb4fad50f33 # [ 64.103917] RDX: 0000000000000016 RSI: 000[ 72.728721] lkdtm: attempting bad copy_to_user from kernel text: ffffffff83ae2dc0 07fb4fac41000 RDI: 0000000000000001 # [ 64.118096] RBP: 00007[ 72.743280] lkdtm: FAIL: survived bad copy_to_user() fb4fac41000 R08: 00007fb4fac40010 R09: 0000000000000000 # [ 64.132285] R10: 00007fb4fae4b1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 64.146485] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 64.160673] irq event stamp: 0 # [ 64.170294] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 64.177298] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 64.192642] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 64.201779] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 64.214988] ---[ end trace e2f66c91d8f90f6c ]--- # [ 64.220146] lkdtm: Negative detected: saturated # REFCOUNT_DEC_NEGATIVE: saw 'Negative detected: saturated': ok ok 47 selftests: lkdtm: REFCOUNT_DEC_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh # [ 64.368635] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 64.381954] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 64.389063] ------------[ cut here ]------------ # [ 64.394231] refcount_t: underflow; use-after-free. # [ 64.399619] WARNING: CPU: 3 PID: 2255 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 64.409053] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 64.441692] CPU: 3 PID: 2255 Comm: cat Tainted: G D W 5.10.136-cip14 #1 # [ 64.450367] Hardware name: Google Rammus/Rammus[ 72.912681] lkdtm: Performing direct entry STACKLEAK_ERASING [ 72.922963] lkdtm: checking unused part of the thread stack (15928 bytes)... [ 72.930896] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) , BIOS 09/04/2020 # [ 64.463384] RIP: 0010:refcount_warn_sat[ 72.938684] lkdtm: FAIL: the thread stack is NOT properly erased [ 72.951624] CPU: 3 PID: 2958 Comm: cat Tainted: G D W 5.10.136-cip14 #1 urate+0xba/0x110 # [ 64.469241] Code: 01 01 e8 21 62 98 00 0f[ 72.960273] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 72.973286] Call Trace: [ 72.976017] dump_stack+0x77/0x9b [ 72.979716] lkdtm_STACKLEAK_ERASING+0x116/0x144 [ 72.984869] direct_entry.cold+0x2c/0x38 [ 72.989240] full_proxy_write+0x53/0x80 [ 72.993528] vfs_write+0xe7/0x3a0 [ 72.997227] ksys_write+0x68/0xf0 [ 73.000927] do_syscall_64+0x30/0x40 [ 73.004915] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 73.010554] RIP: 0033:0x7f667ec07f33 [ 73.014533] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 73.035516] RSP: 002b:00007ffd685ccb08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 73.044016] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f667ec07f33 [ 73.051983] RDX: 0000000000000012 RSI: 00007f667eaf8000 RDI: 0000000000000001 [ 73.059952] RBP: 00007f667eaf8000 R08: 00007f667eaf7010 R09: 0000000000000000 [ 73.067918] R10: 00007f667ed021c0 R11: 0000000000000246 R12: 0000000000000001 [ 73.075886] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0b c3 cc cc cc cc 80 3d 63 53 74 01 00 75 85 48 c7 c7 e8 43 06 85 c6 05 53 53 74 01 01 e8 fe 61 98 00 <0f> 0b c3 cc cc cc cc 80 3d 3e 53 74 01 00 0f 85 5e ff ff ff 48 c7 # [ 64.490234] RSP: 0018:ffffa7b4c2c87e40 EFLAGS: 00010286 # [ 64.502275] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 # [ 64.510246] RDX: ffff8f0b3adac660 RSI: ffff8f0b3ad9bf70 RDI: ffff8f0b3ad9bf70 # [ 64.518217] RBP: ffffffff850c8648 R08: 0000000000000000 R09: 0000000000000000 # [ 64.526189] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 64.534160] R13: ffffa7b4c2c87f10 R14: ffffa7b4c2c87f10 R15: ffff8f0ac5097000 # [ 64.542131] FS: 00007f6b0c8ce580(0000) GS:ffff8f0b3ad80000(0000) knlGS:0000000000000000 # [ 64.551170] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 64.557587] CR2: 00007f6b0c6e7000 CR3: 00000001041c4001 CR4: 00000000003706e0 # [ 64.565556] Call Trace: # [ 64.568286] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 64.574436] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 # [ 64.580660] direct_entry.cold+0x2c/0x38 # [ 64.585040] full_proxy_write+0x53/0x80 # [ 64.589347] vfs_write+0xe7/0x3a0 # [ 64.593073] ksys_write+0x68/0xf0 # [ 64.596773] do_syscall_64+0x30/0x40 # [ 64.600788] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 64.606430] RIP: 0033:0x7f6b0c7f6f33 # [ 64.610420] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 #[ 73.235766] lkdtm: Performing direct entry CFI_FORWARD_PROTO [ 64.631404] RSP: 002b:00007ffd716e8ac8 EFLAGS: 00000246 ORIG[ 73.245680] lkdtm: Calling matched prototype ... _RAX: 0000000000000001 # [ 64.639862] RAX: ffffffffffffffda R[ 73.257062] lkdtm: Calling mismatched prototype ... BX: 000000000000001f RCX: 00007f6b0c7f6f33 # [ 64.647832] RDX[ 73.268745] lkdtm: Fail: survived mismatched prototype function call! : 000000000000001f RSI: 00007f6b0c6e7000 RDI: 0000000000000001 # [ 64.655803] RBP: 00007f6b0c6e7000 R08: 00007f6b0c6e6010 R09: 0000000000000000 # [ 64.663774] R10: 00007f6b0c8f11c0 R11: 0000000000000246 R12: 0000000000000001 # [ 64.671746] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 64.679721] irq event stamp: 0 # [ 64.683154] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 64.696372] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 64.711725] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 64.727079] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 64.734079] ---[ end trace e2f66c91d8f90f6d ]--- # [ 64.739235] lkdtm: Negative detected: saturated # REFCOUNT_DEC_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok ok 48 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh # [ 64.862668] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 64.876215] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 64.883325] ------------[ cut here ]------------ # [ 64.888490] refcount_t: underflow; use-after-free. # [ 64.893850] WARNING: CPU: 3 PID: 2290 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 64.909485] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 64.942128] CPU: 3 PID: 2290 Comm: cat Tainted: G D W 5.10.136-cip14 #1 # [ 64.950802] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 64.957609] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 64.963444] Code: 01 01 e8 21 62 98 00 0f 0b c3 cc cc cc cc 80 3d 63 53 74 01 00 75 85 48 c7 c7 e8 43 06 85 c6 05 53 53 74 01 01 e8 fe 61 98 00 <0f> 0b c3 cc cc cc cc 80 3d 3e 53 74 01 00 0f 85 5e ff ff ff 48 c7 # [ 64.984484] RSP: 0018:ffffa7b4c2cdfe40 EFLAGS: 00010286 # [ 64.996539] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 # [ 65.004532] RDX: ffff8f0b3adac660 RSI: ffff8f0b3ad9bf70 RDI: ffff8f0b3ad9bf70 # [ 65.012502] RBP: ffffffff850c8668 R08: 0000000000000000 R09: 0000000000000000 # [ 65.020482] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 65.028453] R13: ffffa7b4c2cdff10 R14: ffffa7b4c2cdff10 R15: ffff8f0ac576b000 # [ 65.042660] FS: 00007f3731608580(0000) GS:ffff8f0b3ad80000(0000) knlGS:0000000000000000 # [ 65.051708] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 65.064331] CR2: 00007f3731421000 CR3: 0000000106572002 CR4: 00000000003706e0 # [ 65.072300] Call Trace: # [ 65.075021] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 65.081174] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b # [ 65.087422] direct_entry.cold+0x2c/0x38 # [ 65.091804] full_proxy_write+0x53/0x80 # [ 65.096112] vfs_write+0xe7/0x3a0 # [ 65.099837] ksys_write+0x68/0xf0 # [ 65.103538] do_syscall_64+0x30/0x40 # [ 65.107552] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 65.113192] RIP: 0033:0x7f3731530f33 # [ 65.117182] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 65.138169] RSP: 002b:00007fff558939d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 65.146627] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f3731530f33 # [ 65.154622] RDX: 000000000000001f RSI: 00007f3731421000 RDI: 0000000000000001 # [ 65.162594] RBP: 00007f3731421000 R08: 00007f3731420010 R09: 0000000000000000 # [ 65.176779] R10: 00007f373162b1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 65.184751] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 65.192728] irq event stamp: 0 # [ 65.196164] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 65.203168] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 65.212302] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 65.221440] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 65.228443] ---[ end trace e2f66c91d8f90f6e ]--- # [ 65.233623] lkdtm: Negative detected: saturated # REFCOUNT_SUB_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok ok 49 selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_INC_ZERO.sh # [ 65.412439] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 65.419238] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 65.432569] lkdtm: Good: zero detected # [ 65.442981] lkdtm: Correctly stayed at zero # [ 65.453879] lkdtm: attempting bad refcount_inc() from zero # [ 65.466212] ------------[ cut here ]------------ # [ 65.477593] refcount_t: addition on 0; use-after-free. # [ 65.489592] WARNING: CPU: 0 PID: 2322 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 65.505225] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 65.537869] CPU: 0 PID: 2322 Comm: cat Tainted: G D W 5.10.136-cip14 #1 # [ 65.552693] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 65.565758] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 65.577799] Code: 01 01 e8 67 62 98 00 0f 0b c3 cc cc cc cc 80 3d aa 53 74 01 00 75 cb 48 c7 c7 b8 43 06 85 c6 05 9a 53 74 01 01 e8 44 62 98 00 <0f> 0b c3 cc cc cc cc 80 3d 89 53 74 01 00 75 a8 48 c7 c7 90 43 06 # [ 65.605002] RSP: 0018:ffffa7b4c2d97e48 EFLAGS: 00010286 # [ 65.617045] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 # [ 65.631230] RDX: ffff8f0b3ac2c660 RSI: ffff8f0b3ac1bf70 RDI: ffff8f0b3ac1bf70 # [ 65.645422] RBP: ffffffff850c8a09 R08: 0000000000000000 R09: 0000000000000000 # [ 65.659626] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 65.673821] R13: ffffa7b4c2d97f10 R14: ffffa7b4c2d97f10 R15: ffff8f0ac6575000 # [ 65.688027] FS: 00007f3331815580(0000) GS:ffff8f0b3ac00000(0000) knlGS:0000000000000000 # [ 65.703287] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 65.715979] CR2: 00007f333162e000 CR3: 0000000105310004 CR4: 00000000003706f0 # [ 65.730249] Call Trace: # [ 65.739106] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 # [ 65.750337] direct_entry.cold+0x2c/0x38 # [ 65.760911] full_proxy_write+0x53/0x80 # [ 65.771466] vfs_write+0xe7/0x3a0 # [ 65.781346] ksys_write+0x68/0xf0 # [ 65.791310] do_syscall_64+0x30/0x40 # [ 65.801496] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 65.813377] RIP: 0033:0x7f333173df33 # [ 65.823579] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 65.850848] RSP: 002b:00007fff849018a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 65.865492] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f333173df33 # [ 65.879709] RDX: 0000000000000012 RSI: 00007f333162e000 RDI: 0000000000000001 # [ 65.893888] RBP: 00007f333162e000 R08: 00007f333162d010 R09: 0000000000000000 # [ 65.908105] R10: 00007f33318381c0 R11: 0000000000000246 R12: 0000000000000001 # [ 65.922298] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 65.936534] irq event stamp: 0 # [ 65.946155] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 65.959406] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 65.974758] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 65.990161] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 66.003380] ---[ end trace e2f66c91d8f90f6f ]--- # [ 66.014784] lkdtm: Zero detected: saturated # REFCOUNT_INC_ZERO: saw 'call trace:': ok ok 50 selftests: lkdtm: REFCOUNT_INC_ZERO.sh # selftests: lkdtm: REFCOUNT_ADD_ZERO.sh # [ 66.157606] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 66.168702] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 66.175817] lkdtm: Good: zero detected # [ 66.180011] lkdtm: Correctly stayed at zero # [ 66.184681] lkdtm: attempting bad refcount_add() from zero # [ 66.190806] ------------[ cut here ]------------ # [ 66.195962] refcount_t: addition on 0; use-after-free. # [ 66.201728] WARNING: CPU: 3 PID: 2354 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 66.211164] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 66.243798] CPU: 3 PID: 2354 Comm: cat Tainted: G D W 5.10.136-cip14 #1 # [ 66.252448] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 66.259252] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 66.265086] Code: 01 01 e8 67 62 98 00 0f 0b c3 cc cc cc cc 80 3d aa 53 74 01 00 75 cb 48 c7 c7 b8 43 06 85 c6 05 9a 53 74 01 01 e8 44 62 98 00 <0f> 0b c3 cc cc cc cc 80 3d 89 53 74 01 00 75 a8 48 c7 c7 90 43 06 # [ 66.286070] RSP: 0018:ffffa7b4c2dffe48 EFLAGS: 00010286 # [ 66.291909] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 # [ 66.306096] RDX: ffff8f0b3adac660 RSI: ffff8f0b3ad9bf70 RDI: ffff8f0b3ad9bf70 # [ 66.320285] RBP: ffffffff850c8a1b R08: 0000000000000000 R09: 0000000000000000 # [ 66.328288] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 66.336260] R13: ffffa7b4c2dfff10 R14: ffffa7b4c2dfff10 R15: ffff8f0ac2945000 # [ 66.344231] FS: 00007fd4e12f0580(0000) GS:ffff8f0b3ad80000(0000) knlGS:0000000000000000 # [ 66.353272] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 66.359710] CR2: 00007fd4e1109000 CR3: 0000000104138005 CR4: 00000000003706e0 # [ 66.367693] Call Trace: # [ 66.376629] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 # [ 66.381624] direct_entry.cold+0x2c/0x38 # [ 66.386036] full_proxy_write+0x53/0x80 # [ 66.390351] vfs_write+0xe7/0x3a0 # [ 66.394082] ksys_write+0x68/0xf0 # [ 66.397810] do_syscall_64+0x30/0x40 # [ 66.401833] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 66.407485] RIP: 0033:0x7fd4e1218f33 # [ 66.411482] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 66.438673] RSP: 002b:00007fffd5ce6698 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 66.447156] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fd4e1218f33 # [ 66.455127] RDX: 0000000000000012 RSI: 00007fd4e1109000 RDI: 0000000000000001 # [ 66.463098] RBP: 00007fd4e1109000 R08: 00007fd4e1108010 R09: 0000000000000000 # [ 66.471068] R10: 00007fd4e13131c0 R11: 0000000000000246 R12: 0000000000000001 # [ 66.479038] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 66.487034] irq event stamp: 0 # [ 66.490449] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 66.503662] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 66.512823] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 66.521960] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 66.528959] ---[ end trace e2f66c91d8f90f70 ]--- # [ 66.534113] lkdtm: Zero detected: saturated # REFCOUNT_ADD_ZERO: saw 'call trace:': ok ok 51 selftests: lkdtm: REFCOUNT_ADD_ZERO.sh # selftests: lkdtm: REFCOUNT_INC_SATURATED.sh # [ 66.667578] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 66.676285] lkdtm: attempting bad refcount_inc() from saturated # [ 66.689101] ------------[ cut here ]------------ # [ 66.700490] refcount_t: saturated; leaking memory. # [ 66.712104] WARNING: CPU: 0 PID: 2389 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 66.727724] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 66.760400] CPU: 0 PID: 2389 Comm: cat Tainted: G D W 5.10.136-cip14 #1 # [ 66.775287] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 66.788371] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 66.800364] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d ce 53 74 01 00 75 ee 48 c7 c7 90 43 06 85 c6 05 be 53 74 01 01 e8 67 62 98 00 <0f> 0b c3 cc cc cc cc 80 3d aa 53 74 01 00 75 cb 48 c7 c7 b8 43 06 # [ 66.827599] RSP: 0018:ffffa7b4c2e8fe48 EFLAGS: 00010286 # [ 66.839635] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 # [ 66.853886] RDX: ffff8f0b3ac2c660 RSI: ffff8f0b3ac1bf70 RDI: ffff8f0b3ac1bf70 # [ 66.868032] RBP: ffffffff850c8a2d R08: 0000000000000000 R09: 0000000000000000 # [ 66.882234] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 66.896409] R13: ffffa7b4c2e8ff10 R14: ffffa7b4c2e8ff10 R15: ffff8f0ac548f000 # [ 66.910633] FS: 00007f0b89853580(0000) GS:ffff8f0b3ac00000(0000) knlGS:0000000000000000 # [ 66.925890] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 66.938524] CR2: 00007f0b8966c000 CR3: 000000010346c001 CR4: 00000000003706f0 # [ 66.952730] Call Trace: # [ 66.961711] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 # [ 66.973366] direct_entry.cold+0x2c/0x38 # [ 66.983980] full_proxy_write+0x53/0x80 # [ 66.994506] vfs_write+0xe7/0x3a0 # [ 67.004433] ksys_write+0x68/0xf0 # [ 67.014338] do_syscall_64+0x30/0x40 # [ 67.024586] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 67.036426] RIP: 0033:0x7f0b8977bf33 # [ 67.046676] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 67.073872] RSP: 002b:00007ffdd4acc478 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 67.088594] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f0b8977bf33 # [ 67.102797] RDX: 0000000000000017 RSI: 00007f0b8966c000 RDI: 0000000000000001 # [ 67.117015] RBP: 00007f0b8966c000 R08: 00007f0b8966b010 R09: 0000000000000000 # [ 67.131195] R10: 00007f0b898761c0 R11: 0000000000000246 R12: 0000000000000001 # [ 67.145415] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 67.159625] irq event stamp: 0 # [ 67.169275] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 67.182489] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 67.197867] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 67.213240] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 67.226488] ---[ end trace e2f66c91d8f90f71 ]--- # [ 67.237852] lkdtm: Saturation detected: still saturated # REFCOUNT_INC_SATURATED: saw 'Saturation detected: still saturated': ok ok 52 selftests: lkdtm: REFCOUNT_INC_SATURATED.sh # selftests: lkdtm: REFCOUNT_DEC_SATURATED.sh # [ 67.384918] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 67.393404] lkdtm: attempting bad refcount_dec() from saturated # [ 67.406234] ------------[ cut here ]------------ # [ 67.417600] refcount_t: decrement hit 0; leaking memory. # [ 67.429775] WARNING: CPU: 1 PID: 2424 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 67.445389] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 67.478025] CPU: 1 PID: 2424 Comm: cat Tainted: G D W 5.10.136-cip14 #1 # [ 67.492889] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 67.505912] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 67.517963] Code: 40 44 06 85 c6 05 2a 53 74 01 01 e8 d7 61 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 10 44 06 85 c6 05 11 53 74 01 01 e8 bd 61 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 67.545165] RSP: 0018:ffffa7b4c2f17e48 EFLAGS: 00010286 # [ 67.557207] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 # [ 67.571395] RDX: ffff8f0b3acac660 RSI: ffff8f0b3ac9bf70 RDI: ffff8f0b3ac9bf70 # [ 67.585578] RBP: ffffffff850c8a44 R08: 0000000000000000 R09: 0000000000000000 # [ 67.599768] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 67.613951] R13: ffffa7b4c2f17f10 R14: ffffa7b4c2f17f10 R15: ffff8f0ac3500000 # [ 67.628133] FS: 00007fd4e6d4a580(0000) GS:ffff8f0b3ac80000(0000) knlGS:0000000000000000 # [ 67.643387] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 67.656020] CR2: 00007fd4e6b63000 CR3: 0000000103226005 CR4: 00000000003706e0 # [ 67.670206] Call Trace: # [ 67.679153] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f # [ 67.690816] direct_entry.cold+0x2c/0x38 # [ 67.701411] full_proxy_write+0x53/0x80 # [ 67.711908] vfs_write+0xe7/0x3a0 # [ 67.721823] ksys_write+0x68/0xf0 # [ 67.731739] do_syscall_64+0x30/0x40 # [ 67.741942] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 67.753797] RIP: 0033:0x7fd4e6c72f33 # [ 67.753799] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 67.753801] RSP: 002b:00007ffc4df559e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 67.753804] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fd4e6c72f33 # [ 67.807617] RDX: 0000000000000017 RSI: 00007fd4e6b63000 RDI: 0000000000000001 # [ 67.815590] RBP: 00007fd4e6b63000 R08: 00007fd4e6b62010 R09: 0000000000000000 # [ 67.829772] R10: 00007fd4e6d6d1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 67.843959] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 67.858149] irq event stamp: 0 # [ 67.867765] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 67.880981] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 67.896330] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 67.911681] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 67.924896] ---[ end trace e2f66c91d8f90f72 ]--- # [ 67.930053] lkdtm: Saturation detected: still saturated # REFCOUNT_DEC_SATURATED: saw 'Saturation detected: still saturated': ok ok 53 selftests: lkdtm: REFCOUNT_DEC_SATURATED.sh # selftests: lkdtm: REFCOUNT_ADD_SATURATED.sh # [ 68.092542] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 68.104450] lkdtm: attempting bad refcount_dec() from saturated # [ 68.117266] ------------[ cut here ]------------ # [ 68.128635] refcount_t: saturated; leaking memory. # [ 68.140228] WARNING: CPU: 1 PID: 2459 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 68.155840] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 68.188486] CPU: 1 PID: 2459 Comm: cat Tainted: G D W 5.10.136-cip14 #1 # [ 68.203349] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 68.210159] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 68.222204] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d ce 53 74 01 00 75 ee 48 c7 c7 90 43 06 85 c6 05 be 53 74 01 01 e8 67 62 98 00 <0f> 0b c3 cc cc cc cc 80 3d aa 53 74 01 00 75 cb 48 c7 c7 b8 43 06 # [ 68.249402] RSP: 0018:ffffa7b4c2f9fe48 EFLAGS: 00010286 # [ 68.255240] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 # [ 68.269417] RDX: ffff8f0b3acac660 RSI: ffff8f0b3ac9bf70 RDI: ffff8f0b3ac9bf70 # [ 68.277389] RBP: ffffffff850c8a5b R08: 0000000000000000 R09: 0000000000000000 # [ 68.291569] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 68.305752] R13: ffffa7b4c2f9ff10 R14: ffffa7b4c2f9ff10 R15: ffff8f0ac3dd0000 # [ 68.313725] FS: 00007f781d733580(0000) GS:ffff8f0b3ac80000(0000) knlGS:0000000000000000 # [ 68.328972] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 68.335392] CR2: 00007f781d54c000 CR3: 000000010296a001 CR4: 00000000003706e0 # [ 68.349569] Call Trace: # [ 68.352303] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 # [ 68.363959] direct_entry.cold+0x2c/0x38 # [ 68.374550] full_proxy_write+0x53/0x80 # [ 68.385047] vfs_write+0xe7/0x3a0 # [ 68.394965] ksys_write+0x68/0xf0 # [ 68.404880] do_syscall_64+0x30/0x40 # [ 68.415084] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 68.426940] RIP: 0033:0x7f781d65bf33 # [ 68.437142] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 68.458145] RSP: 002b:00007ffffff28348 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 68.472789] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f781d65bf33 # [ 68.486972] RDX: 0000000000000017 RSI: 00007f781d54c000 RDI: 0000000000000001 # [ 68.494946] RBP: 00007f781d54c000 R08: 00007f781d54b010 R09: 0000000000000000 # [ 68.509127] R10: 00007f781d7561c0 R11: 0000000000000246 R12: 0000000000000001 # [ 68.517101] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 68.531302] irq event stamp: 0 # [ 68.540901] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 68.547904] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 68.563249] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 68.572385] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 68.585594] ---[ end trace e2f66c91d8f90f73 ]--- # [ 68.590752] lkdtm: Saturation detected: still saturated # REFCOUNT_ADD_SATURATED: saw 'Saturation detected: still saturated': ok ok 54 selftests: lkdtm: REFCOUNT_ADD_SATURATED.sh # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh # [ 68.767336] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 68.778466] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 68.792173] ------------[ cut here ]------------ # [ 68.803541] refcount_t: saturated; leaking memory. # [ 68.808921] WARNING: CPU: 1 PID: 2491 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 68.824531] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 68.857238] CPU: 1 PID: 2491 Comm: cat Tainted: G D W 5.10.136-cip14 #1 # [ 68.872080] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 68.885096] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 68.897145] Code: 01 01 e8 44 62 98 00 0f 0b c3 cc cc cc cc 80 3d 89 53 74 01 00 75 a8 48 c7 c7 90 43 06 85 c6 05 79 53 74 01 01 e8 21 62 98 00 <0f> 0b c3 cc cc cc cc 80 3d 63 53 74 01 00 75 85 48 c7 c7 e8 43 06 # [ 68.918129] RSP: 0018:ffffa7b4c3027e38 EFLAGS: 00010282 # [ 68.930171] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 68.938142] RDX: ffff8f0b3acac660 RSI: ffff8f0b3ac9bf70 RDI: ffff8f0b3ac9bf70 # [ 68.952321] RBP: ffffffff850c8688 R08: 0000000000000000 R09: 0000000000000000 # [ 68.960294] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 68.974484] R13: ffffa7b4c3027f10 R14: ffffa7b4c3027f10 R15: ffff8f0ac276a000 # [ 68.982478] FS: 00007fbc0442c580(0000) GS:ffff8f0b3ac80000(0000) knlGS:0000000000000000 # [ 68.997726] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 69.004145] CR2: 00007fbc04245000 CR3: 0000000102950002 CR4: 00000000003706e0 # [ 69.018323] Call Trace: # [ 69.021073] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 69.033389] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 # [ 69.045923] direct_entry.cold+0x2c/0x38 # [ 69.050308] full_proxy_write+0x53/0x80 # [ 69.060800] vfs_write+0xe7/0x3a0 # [ 69.070713] ksys_write+0x68/0xf0 # [ 69.080629] do_syscall_64+0x30/0x40 # [ 69.090830] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 69.102685] RIP: 0033:0x7fbc04354f33 # [ 69.106675] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 69.133863] RSP: 002b:00007fffb86c0c58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 69.142320] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fbc04354f33 # [ 69.156498] RDX: 0000000000000020 RSI: 00007fbc04245000 RDI: 0000000000000001 # [ 69.164483] RBP: 00007fbc04245000 R08: 00007fbc04244010 R09: 0000000000000000 # [ 69.178653] R10: 00007fbc0444f1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 69.186624] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 69.200806] irq event stamp: 0 # [ 69.210426] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 69.217429] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 69.232772] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 69.241911] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 69.255119] ---[ end trace e2f66c91d8f90f74 ]--- # [ 69.260275] lkdtm: Saturation detected: still saturated # REFCOUNT_INC_NOT_ZERO_SATURATED: saw 'call trace:': ok ok 55 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh # [ 69.392427] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 69.404305] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 69.418007] ------------[ cut here ]------------ # [ 69.429375] refcount_t: saturated; leaking memory. # [ 69.440966] WARNING: CPU: 1 PID: 2523 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 69.456601] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 69.489233] CPU: 1 PID: 2523 Comm: cat Tainted: G D W 5.10.136-cip14 #1 # [ 69.504099] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 69.510909] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 69.522954] Code: 01 01 e8 44 62 98 00 0f 0b c3 cc cc cc cc 80 3d 89 53 74 01 00 75 a8 48 c7 c7 90 43 06 85 c6 05 79 53 74 01 01 e8 21 62 98 00 <0f> 0b c3 cc cc cc cc 80 3d 63 53 74 01 00 75 85 48 c7 c7 e8 43 06 # [ 69.550148] RSP: 0018:ffffa7b4c3087e38 EFLAGS: 00010282 # [ 69.562197] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 69.570169] RDX: ffff8f0b3acac660 RSI: ffff8f0b3ac9bf70 RDI: ffff8f0b3ac9bf70 # [ 69.584346] RBP: ffffffff850c86a8 R08: 0000000000000000 R09: 0000000000000000 # [ 69.592320] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 69.606497] R13: ffffa7b4c3087f10 R14: ffffa7b4c3087f10 R15: ffff8f0ac643d000 # [ 69.614485] FS: 00007fd6f0738580(0000) GS:ffff8f0b3ac80000(0000) knlGS:0000000000000000 # [ 69.629733] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 69.636154] CR2: 00007fd6f0551000 CR3: 0000000105504004 CR4: 00000000003706e0 # [ 69.650333] Call Trace: # [ 69.653068] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 69.665403] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 # [ 69.677937] direct_entry.cold+0x2c/0x38 # [ 69.688536] full_proxy_write+0x53/0x80 # [ 69.699031] vfs_write+0xe7/0x3a0 # [ 69.708950] ksys_write+0x68/0xf0 # [ 69.718863] do_syscall_64+0x30/0x40 # [ 69.729068] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 69.740921] RIP: 0033:0x7fd6f0660f33 # [ 69.751123] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 69.772106] RSP: 002b:00007ffe356c8648 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 69.786772] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fd6f0660f33 # [ 69.800955] RDX: 0000000000000020 RSI: 00007fd6f0551000 RDI: 0000000000000001 # [ 69.808927] RBP: 00007fd6f0551000 R08: 00007fd6f0550010 R09: 0000000000000000 # [ 69.823105] R10: 00007fd6f075b1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 69.831076] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 69.845277] irq event stamp: 0 # [ 69.854877] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 69.861881] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 69.877224] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 69.892573] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 69.899574] ---[ end trace e2f66c91d8f90f75 ]--- # [ 69.910938] 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 # [ 70.056379] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 70.067413] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 70.081111] ------------[ cut here ]------------ # [ 70.092482] refcount_t: underflow; use-after-free. # [ 70.097862] WARNING: CPU: 1 PID: 2558 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 70.113482] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 70.146121] CPU: 1 PID: 2558 Comm: cat Tainted: G D W 5.10.136-cip14 #1 # [ 70.160982] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 70.174005] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 70.186056] Code: 01 01 e8 21 62 98 00 0f 0b c3 cc cc cc cc 80 3d 63 53 74 01 00 75 85 48 c7 c7 e8 43 06 85 c6 05 53 53 74 01 01 e8 fe 61 98 00 <0f> 0b c3 cc cc cc cc 80 3d 3e 53 74 01 00 0f 85 5e ff ff ff 48 c7 # [ 70.213255] RSP: 0018:ffffa7b4c30ffe40 EFLAGS: 00010286 # [ 70.225302] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 # [ 70.239491] RDX: ffff8f0b3acac660 RSI: ffff8f0b3ac9bf70 RDI: ffff8f0b3ac9bf70 # [ 70.253677] RBP: ffffffff850c86c8 R08: 0000000000000000 R09: 0000000000000000 # [ 70.267865] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 70.282052] R13: ffffa7b4c30fff10 R14: ffffa7b4c30fff10 R15: ffff8f0ac4089000 # [ 70.296234] FS: 00007f400cd63580(0000) GS:ffff8f0b3ac80000(0000) knlGS:0000000000000000 # [ 70.311489] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 70.324124] CR2: 00007f400cb7c000 CR3: 000000010329c003 CR4: 00000000003706e0 # [ 70.338309] Call Trace: # [ 70.347259] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 70.359599] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 # [ 70.372134] direct_entry.cold+0x2c/0x38 # [ 70.382726] full_proxy_write+0x53/0x80 # [ 70.393223] vfs_write+0xe7/0x3a0 # [ 70.403145] ksys_write+0x68/0xf0 # [ 70.413057] do_syscall_64+0x30/0x40 # [ 70.423254] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 70.435108] RIP: 0033:0x7f400cc8bf33 # [ 70.445311] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 70.472519] RSP: 002b:00007fff2e1a53f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 70.487195] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f400cc8bf33 # [ 70.501379] RDX: 0000000000000020 RSI: 00007f400cb7c000 RDI: 0000000000000001 # [ 70.515563] RBP: 00007f400cb7c000 R08: 00007f400cb7b010 R09: 0000000000000000 # [ 70.529747] R10: 00007f400cd861c0 R11: 0000000000000246 R12: 0000000000000001 # [ 70.543932] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 70.558122] irq event stamp: 0 # [ 70.567739] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 70.580957] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 70.596307] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 70.611655] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 70.624870] ---[ end trace e2f66c91d8f90f76 ]--- # [ 70.636241] lkdtm: Saturation detected: still saturated # REFCOUNT_DEC_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok ok 57 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh # [ 70.777496] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 70.786641] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 70.794149] ------------[ cut here ]------------ # [ 70.799306] refcount_t: underflow; use-after-free. # [ 70.804705] WARNING: CPU: 2 PID: 2593 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 70.814140] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_lightbar cros_ec_chardev cros_ec_sysfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 70.846767] CPU: 2 PID: 2593 Comm: cat Tainted: G D W 5.10.136-cip14 #1 # [ 70.855417] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 70.862223] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 70.868056] Code: 01 01 e8 21 62 98 00 0f 0b c3 cc cc cc cc 80 3d 63 53 74 01 00 75 85 48 c7 c7 e8 43 06 85 c6 05 53 53 74 01 01 e8 fe 61 98 00 <0f> 0b c3 cc cc cc cc 80 3d 3e 53 74 01 00 0f 85 5e ff ff ff 48 c7 # [ 70.889036] RSP: 0018:ffffa7b4c3187e40 EFLAGS: 00010286 # [ 70.894872] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 # [ 70.902841] RDX: ffff8f0b3ad2c660 RSI: ffff8f0b3ad1bf70 RDI: ffff8f0b3ad1bf70 # [ 70.910820] RBP: ffffffff850c86e8 R08: 0000000000000000 R09: 0000000000000000 # [ 70.925002] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 70.932998] R13: ffffa7b4c3187f10 R14: ffffa7b4c3187f10 R15: ffff8f0ac359d000 # [ 70.940970] FS: 00007fedde07a580(0000) GS:ffff8f0b3ad00000(0000) knlGS:0000000000000000 # [ 70.950010] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 70.956425] CR2: 00007feddde93000 CR3: 0000000103c2a006 CR4: 00000000003706e0 # [ 70.964422] Call Trace: # [ 70.967167] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 70.979496] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 # [ 70.985825] direct_entry.cold+0x2c/0x38 # [ 70.990232] full_proxy_write+0x53/0x80 # [ 70.994547] vfs_write+0xe7/0x3a0 # [ 70.998278] ksys_write+0x68/0xf0 # [ 71.002005] do_syscall_64+0x30/0x40 # [ 71.006021] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 71.017871] RIP: 0033:0x7fedddfa2f33 # [ 71.021862] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 71.042844] RSP: 002b:00007ffd7062fa58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 71.051302] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fedddfa2f33 # [ 71.059273] RDX: 0000000000000020 RSI: 00007feddde93000 RDI: 0000000000000001 # [ 71.067245] RBP: 00007feddde93000 R08: 00007feddde92010 R09: 0000000000000000 # [ 71.075215] R10: 00007fedde09d1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 71.083185] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 71.091175] irq event stamp: 0 # [ 71.094590] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 71.107799] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 71.116936] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 71.126072] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 71.133070] ---[ end trace e2f66c91d8f90f77 ]--- # [ 71.138226] lkdtm: Saturation detected: still saturated # REFCOUNT_SUB_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok ok 58 selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh # selftests: lkdtm: REFCOUNT_TIMING.sh # Skipping REFCOUNT_TIMING: timing only ok 59 selftests: lkdtm: REFCOUNT_TIMING.sh # SKIP # selftests: lkdtm: ATOMIC_TIMING.sh # Skipping ATOMIC_TIMING: timing only ok 60 selftests: lkdtm: ATOMIC_TIMING.sh # SKIP # selftests: lkdtm: USERCOPY_HEAP_SIZE_TO.sh # [ 71.393689] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 71.405875] lkdtm: attempting good copy_to_user of correct size # [ 71.412499] lkdtm: attempting bad copy_to_user of too large size # USERCOPY_HEAP_SIZE_TO: missing 'call trace:': [FAIL] not ok 61 selftests: lkdtm: USERCOPY_HEAP_SIZE_TO.sh # exit=1 # selftests: lkdtm: USERCOPY_HEAP_SIZE_FROM.sh # [ 71.570720] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 71.581718] lkdtm: attempting good copy_from_user of correct size # [ 71.594743] lkdtm: attempting bad copy_from_user of too large size # USERCOPY_HEAP_SIZE_FROM: missing 'call trace:': [FAIL] not ok 62 selftests: lkdtm: USERCOPY_HEAP_SIZE_FROM.sh # exit=1 # selftests: lkdtm: USERCOPY_HEAP_WHITELIST_TO.sh # [ 71.744668] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 71.758018] lkdtm: attempting good copy_to_user inside whitelist # [ 71.764746] lkdtm: attempting bad copy_to_user outside whitelist # USERCOPY_HEAP_WHITELIST_TO: missing 'call trace:': [FAIL] not ok 63 selftests: lkdtm: USERCOPY_HEAP_WHITELIST_TO.sh # exit=1 # selftests: lkdtm: USERCOPY_HEAP_WHITELIST_FROM.sh # [ 71.945628] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 71.959197] lkdtm: attempting good copy_from_user inside whitelist # [ 71.966120] 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 # [ 72.118968] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 72.129262] lkdtm: good_stack: ffffa7b4c3547e20-ffffa7b4c3547e40 # [ 72.135974] lkdtm: bad_stack : ffffa7b4c3547da8-ffffa7b4c3547dc8 # [ 72.148903] lkdtm: attempting good copy_to_user of local stack # [ 72.155430] lkdtm: attempting bad copy_to_user of distant stack # USERCOPY_STACK_FRAME_TO: missing 'call trace:': [FAIL] not ok 65 selftests: lkdtm: USERCOPY_STACK_FRAME_TO.sh # exit=1 # selftests: lkdtm: USERCOPY_STACK_FRAME_FROM.sh # [ 72.306215] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 72.318341] lkdtm: good_stack: ffffa7b4c3597e20-ffffa7b4c3597e40 # [ 72.325063] lkdtm: bad_stack : ffffa7b4c3597da8-ffffa7b4c3597dc8 # [ 72.338007] lkdtm: attempting good copy_from_user of local stack # [ 72.344728] lkdtm: attempting bad copy_from_user of distant stack # USERCOPY_STACK_FRAME_FROM: missing 'call trace:': [FAIL] not ok 66 selftests: lkdtm: USERCOPY_STACK_FRAME_FROM.sh # exit=1 # selftests: lkdtm: USERCOPY_STACK_BEYOND.sh # [ 72.502219] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 72.513669] lkdtm: good_stack: ffffa7b4c3667e20-ffffa7b4c3667e40 # [ 72.520390] lkdtm: bad_stack : ffffa7b4c3667ff8-ffffa7b4c3668018 # [ 72.533336] lkdtm: attempting good copy_to_user of local stack # [ 72.539864] lkdtm: attempting bad copy_to_user of distant stack # [ 72.552684] lkdtm: copy_to_user failed, but lacked Oops # USERCOPY_STACK_BEYOND: missing 'call trace:': [FAIL] not ok 67 selftests: lkdtm: USERCOPY_STACK_BEYOND.sh # exit=1 # selftests: lkdtm: USERCOPY_KERNEL.sh # [ 72.704236] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 72.713841] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff84cda1d0 # [ 72.728721] lkdtm: attempting bad copy_to_user from kernel text: ffffffff83ae2dc0 # [ 72.743280] lkdtm: FAIL: survived bad copy_to_user() # USERCOPY_KERNEL: missing 'call trace:': [FAIL] not ok 68 selftests: lkdtm: USERCOPY_KERNEL.sh # exit=1 # selftests: lkdtm: STACKLEAK_ERASING.sh # [ 72.912681] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 72.922963] lkdtm: checking unused part of the thread stack (15928 bytes)... # [ 72.930896] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) # [ 72.938684] lkdtm: FAIL: the thread stack is NOT properly erased # [ 72.951624] CPU: 3 PID: 2958 Comm: cat Tainted: G D W 5.10.136-cip14 #1 # [ 72.960273] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 72.973286] Call Trace: # [ 72.976017] dump_stack+0x77/0x9b # [ 72.979716] lkdtm_STACKLEAK_ERASING+0x116/0x144 # [ 72.984869] direct_entry.cold+0x2c/0x38 # [ 72.989240] full_proxy_write+0x53/0x80 # [ 72.993528] vfs_write+0xe7/0x3a0 # [ 72.997227] ksys_write+0x68/0xf0 # [ 73.000927] do_syscall_64+0x30/0x40 # [ 73.004915] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 73.010554] RIP: 0033:0x7f667ec07f33 # [ 73.014533] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 73.035516] RSP: 002b:00007ffd685ccb08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 73.044016] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f667ec07f33 # [ 73.051983] RDX: 0000000000000012 RSI: 00007f667eaf8000 RDI: 0000000000000001 # [ 73.059952] RBP: 00007f667eaf8000 R08: 00007f667eaf7010 R09: 0000000000000000 # [ 73.067918] R10: 00007f667ed021c0 R11: 0000000000000246 R12: 0000000000000001 # [ 73.075886] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # STACKLEAK_ERASING: missing 'OK: the rest of the thread stack is properly erased': [FAIL] not ok 69 selftests: lkdtm: STACKLEAK_ERASING.sh # exit=1 # selftests: lkdtm: CFI_FORWARD_PROTO.sh # [ 73.235766] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 73.245680] lkdtm: Calling matched prototype ... # [ 73.257062] lkdtm: Calling mismatched prototype ... # [ 73.268745] 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 / #