[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! . 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 43238 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) FMAP: area RW_VPD found @ 9f8000 (8192 bytes) Normal boot. BS: BS_PRE_DEVICE times (us): entry 0 run 30 exit 0 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'cpu_microcode_blob.bin' CBFS: Found @ offset 11100 size d7c00 microcode: sig=0x806e9 pf=0x10 revision=0x97 Skip microcode update CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fsps.bin' CBFS: Found @ offset 167fc0 size 2f000 Detected 2 core, 4 thread CPU. Setting up SMI for CPU IED base = 0x7b400000 IED size = 0x00400000 Will perform SMM setup. CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz. Loading module at 00030000 with entry 00030000. filesize: 0x170 memsize: 0x170 Processing 16 relocs. Offset value of 0x00030000 Attempting to start 3 APs Waiting for 10ms after sending INIT. Waiting for 1st SIPI to complete...AP: slot 1 apic_id 1. done. AP: slot 3 apic_id 2. AP: slot 2 apic_id 3. Waiting for 2nd SIPI to complete...done. Loading module at 00038000 with entry 00038000. filesize: 0x1a8 memsize: 0x1a8 Processing 13 relocs. Offset value of 0x00038000 SMM Module: stub loaded at 00038000. Will call 7ab21603(00000000) Installing SMM handler to 0x7b000000 Loading module at 7b010000 with entry 7b010a19. filesize: 0x3b08 memsize: 0x8bc0 Processing 243 relocs. Offset value of 0x7b010000 Loading module at 7b008000 with entry 7b008000. filesize: 0x1a8 memsize: 0x1a8 Processing 13 relocs. Offset value of 0x7b008000 SMM Module: placing jmp sequence at 7b007c00 rel16 0x03fd SMM Module: placing jmp sequence at 7b007800 rel16 0x07fd SMM Module: placing jmp sequence at 7b007400 rel16 0x0bfd SMM Module: stub loaded at 7b008000. Will call 7b010a19(00000000) Clearing SMI status registers SMI_STS: PM1 PM1_STS: PWRBTN TCO_STS: BOOT SECOND_TO New SMBASE 0x7b000000 In relocation handler: CPU 0 New SMBASE=0x7b000000 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afffc00 In relocation handler: CPU 1 New SMBASE=0x7afffc00 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afff400 In relocation handler: CPU 3 New SMBASE=0x7afff400 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afff800 In relocation handler: CPU 2 New SMBASE=0x7afff800 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. Initializing CPU #0 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC... apic_id: 0x00 done. Turbo is available but hidden Turbo has been enabled SGX : param.enable = 0 Skip microcode update CPU #0 initialized Initializing CPU #1 Initializing CPU #2 Initializing CPU #3 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC...CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC...Setting up local APIC... apic_id: 0x02 done. apic_id: 0x03 done. Skip microcode update Skip microcode update CPU #3 initialized CPU #2 initialized apic_id: 0x01 done. Skip microcode update CPU #1 initialized bsp_do_flight_plan done after 226 msecs. CPU: frequency set to 3400 MHz Enabling SMIs. Locking SMM. VMX : param.enable = 1 VMX status: enabled, unlocked SGX: pre-conditions not met VMX status: enabled, unlocked SGX: pre-conditions not met VMX status: enabled, unlocked VMX status: enabled, unlocked SGX: pre-conditions not met SGX: pre-conditions not met CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'vbt.bin' CBFS: Found @ offset 103a00 size 48e Found a VBT of 4608 bytes after decompression psys_pmax = 360 FMAP: area GBB found @ c11000 (978944 bytes) ITSS IRQ Polarities Before: IPC0: 0x00ff4000 IPC1: 0x00000007 IPC2: 0x00000000 IPC3: 0x00000000 ITSS IRQ Polarities After: IPC0: 0x00ff4000 IPC1: 0x00000007 IPC2: 0x00000000 IPC3: 0x00000000 Override DT after FSP-S, PCH is KBL/SKL PCH-LP SKU BS: BS_DEV_INIT_CHIPS times (us): entry 376073 run 166432 exit 0 Enumerating buses... Show all devs... Before device enumeration. Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 DOMAIN: 0000: enabled 1 APIC: 00: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 PCI: 00:15.1: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PCI: 00:1f.1: enabled 1 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 USB0 port 0: enabled 1 I2C: 00:5c: enabled 1 I2C: 00:15: enabled 1 I2C: 00:39: enabled 1 I2C: 00:3a: enabled 1 I2C: 00:1a: enabled 1 PCI: 00:00.0: enabled 1 SPI: 00: enabled 1 PNP: 0c09.0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 APIC: 01: enabled 1 APIC: 03: enabled 1 APIC: 02: enabled 1 Compare with tree... Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 APIC: 00: enabled 1 APIC: 01: enabled 1 APIC: 03: enabled 1 APIC: 02: enabled 1 DOMAIN: 0000: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 USB0 port 0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 I2C: 00:5c: enabled 1 PCI: 00:15.1: enabled 1 I2C: 00:15: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 I2C: 00:39: enabled 1 I2C: 00:3a: enabled 1 I2C: 00:1a: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 SPI: 00: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PNP: 0c09.0: enabled 1 PCI: 00:1f.1: enabled 1 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 Root Device scanning... root_dev_scan_bus for Root Device CPU_CLUSTER: 0 enabled DOMAIN: 0000 enabled DOMAIN: 0000 scanning... PCI: pci_scan_bus for bus 00 PCI: 00:00.0 [8086/0000] ops PCI: 00:00.0 [8086/590c] enabled PCI: 00:02.0 [8086/0000] ops PCI: 00:02.0 [8086/591c] enabled PCI: 00:04.0 [8086/1903] enabled PCI: 00:08.0 [8086/1911] enabled PCI: 00:14.0 [8086/0000] bus ops PCI: 00:14.0 [8086/9d2f] enabled PCI: 00:14.2 [8086/9d31] enabled PCI: 00:15.0 [8086/0000] bus ops PCI: 00:15.0 [8086/9d60] enabled PCI: 00:15.1 [8086/0000] bus ops PCI: 00:15.1 [8086/9d61] enabled PCI: 00:16.0 [8086/0000] ops PCI: 00:16.0 [8086/9d3a] enabled PCI: 00:19.0 [8086/0000] ops PCI: 00:19.0 [8086/9d66] enabled PCI: 00:19.1 [8086/0000] bus ops PCI: 00:19.1 [8086/9d65] enabled PCI: 00:1c.0 [8086/0000] bus ops PCI: 00:1c.0 [8086/9d10] enabled PCI: 00:1e.0 [8086/0000] ops PCI: 00:1e.0 [8086/9d27] enabled PCI: 00:1e.2 [8086/0000] bus ops PCI: 00:1e.2 [8086/9d29] enabled PCI: 00:1e.4 [8086/9d2b] enabled PCI: 00:1e.6 [8086/0000] ops PCI: 00:1e.6 [8086/9d2d] enabled PCI: 00:1f.0 [8086/0000] bus ops PCI: 00:1f.0 [8086/9d4b] enabled PCI: Static device PCI: 00:1f.1 not found, disabling it. PCI: 00:1f.2 [8086/0000] bus ops PCI: 00:1f.2 [8086/9d21] enabled PCI: 00:1f.3 [8086/0000] bus ops PCI: 00:1f.3 [8086/9d71] enabled PCI: 00:1f.4 [8086/0000] bus ops PCI: 00:1f.4 [8086/9d23] enabled PCI: 00:1f.5 [8086/0000] bus ops PCI: 00:1f.5 [8086/9d24] enabled PCI: 00:14.0 scanning... scan_usb_bus for PCI: 00:14.0 USB0 port 0 enabled USB0 port 0 scanning... scan_usb_bus for USB0 port 0 USB2 port 0 enabled USB2 port 1 enabled USB2 port 2 enabled USB2 port 4 enabled USB2 port 8 enabled USB2 port 0 scanning... scan_usb_bus for USB2 port 0 scan_usb_bus for USB2 port 0 done scan_bus: scanning of bus USB2 port 0 took 8967 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 8969 usecs USB2 port 2 scanning... scan_usb_bus for USB2 port 2 scan_usb_bus for USB2 port 2 done scan_bus: scanning of bus USB2 port 2 took 8969 usecs USB2 port 4 scanning... scan_usb_bus for USB2 port 4 scan_usb_bus for USB2 port 4 done scan_bus: scanning of bus USB2 port 4 took 8973 usecs USB2 port 8 scanning... scan_usb_bus for USB2 port 8 scan_usb_bus for USB2 port 8 done scan_bus: scanning of bus USB2 port 8 took 8962 usecs scan_usb_bus for USB0 port 0 done scan_bus: scanning of bus USB0 port 0 took 90929 usecs scan_usb_bus for PCI: 00:14.0 done scan_bus: scanning of bus PCI: 00:14.0 took 107712 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 14155 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 14151 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 53523 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 13859 usecs PCI: 00:1f.0 scanning... scan_lpc_bus for PCI: 00:1f.0 PNP: 0c09.0 enabled scan_lpc_bus for PCI: 00:1f.0 done scan_bus: scanning of bus PCI: 00:1f.0 took 11322 usecs PCI: 00:1f.2 scanning... scan_lpc_bus for PCI: 00:1f.2 scan_lpc_bus for PCI: 00:1f.2 done scan_bus: scanning of bus PCI: 00:1f.2 took 9266 usecs PCI: 00:1f.3 scanning... scan_bus: scanning of bus PCI: 00:1f.3 took 2720 usecs PCI: 00:1f.4 scanning... scan_generic_bus for PCI: 00:1f.4 scan_generic_bus for PCI: 00:1f.4 done scan_bus: scanning of bus PCI: 00:1f.4 took 10049 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 10049 usecs scan_bus: scanning of bus DOMAIN: 0000 took 465996 usecs root_dev_scan_bus for Root Device done scan_bus: scanning of bus Root Device took 486105 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 825767 exit 39572 found VGA at PCI: 00:02.0 Setting up VGA for PCI: 00:02.0 Setting PCI_BRIDGE_CTL_VGA for bridge DOMAIN: 0000 Setting PCI_BRIDGE_CTL_VGA for bridge Root Device Allocating resources... Reading resources... Root Device read_resources bus 0 link: 0 CPU_CLUSTER: 0 read_resources bus 0 link: 0 CPU_CLUSTER: 0 read_resources bus 0 link: 0 done DOMAIN: 0000 read_resources bus 0 link: 0 PCI: 00:14.0 read_resources bus 0 link: 0 USB0 port 0 read_resources bus 0 link: 0 USB0 port 0 read_resources bus 0 link: 0 done PCI: 00:14.0 read_resources bus 0 link: 0 done PCI: 00:15.0 read_resources bus 1 link: 0 PCI: 00:15.0 read_resources bus 1 link: 0 done PCI: 00:15.1 read_resources bus 2 link: 0 PCI: 00:15.1 read_resources bus 2 link: 0 done PCI: 00:19.1 read_resources bus 3 link: 0 PCI: 00:19.1 read_resources bus 3 link: 0 done PCI: 00:1c.0 read_resources bus 1 link: 0 PCI: 00:1c.0 read_resources bus 1 link: 0 done PCI: 00:1e.2 read_resources bus 4 link: 0 PCI: 00:1e.2 read_resources bus 4 link: 0 done PCI: 00:1f.0 read_resources bus 0 link: 0 PCI: 00:1f.0 read_resources bus 0 link: 0 done DOMAIN: 0000 read_resources bus 0 link: 0 done Root Device read_resources bus 0 link: 0 done Done reading resources. Show resources in subtree (Root Device)...After reading. Root Device child on link 0 CPU_CLUSTER: 0 CPU_CLUSTER: 0 child on link 0 APIC: 00 APIC: 00 APIC: 01 APIC: 03 APIC: 02 DOMAIN: 0000 child on link 0 PCI: 00:00.0 DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffff flags 40040100 index 10000000 DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffffffff flags 40040200 index 10000100 PCI: 00:00.0 PCI: 00:00.0 resource base e0000000 size 4000000 align 0 gran 0 limit 0 flags f0000200 index 0 PCI: 00:00.0 resource base fed10000 size 8000 align 0 gran 0 limit 0 flags f0000200 index 1 PCI: 00:00.0 resource base fed18000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 2 PCI: 00:00.0 resource base fed19000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 3 PCI: 00:00.0 resource base fed84000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 4 PCI: 00:00.0 resource base fed80000 size 4000 align 0 gran 0 limit 0 flags f0000200 index 5 PCI: 00:00.0 resource base fed90000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 6 PCI: 00:00.0 resource base fed91000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 7 PCI: 00:00.0 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 8 PCI: 00:00.0 resource base c0000 size 7af40000 align 0 gran 0 limit 0 flags e0004200 index 9 PCI: 00:00.0 resource base 7b000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index b PCI: 00:00.0 resource base 7b800000 size 4800000 align 0 gran 0 limit 0 flags f0000200 index c PCI: 00:00.0 resource base 100000000 size 7f000000 align 0 gran 0 limit 0 flags e0004200 index d PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index e PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index f PCI: 00:02.0 PCI: 00:02.0 resource base 0 size 1000000 align 24 gran 24 limit ffffffffffffffff flags 201 index 10 PCI: 00:02.0 resource base 0 size 10000000 align 28 gran 28 limit ffffffffffffffff flags 1201 index 18 PCI: 00:02.0 resource base 0 size 40 align 6 gran 6 limit ffff flags 100 index 20 PCI: 00:04.0 PCI: 00:04.0 resource base 0 size 8000 align 15 gran 15 limit ffffffffffffffff flags 201 index 10 PCI: 00:08.0 PCI: 00:08.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:14.0 child on link 0 USB0 port 0 PCI: 00:14.0 resource base 0 size 10000 align 16 gran 16 limit ffffffffffffffff flags 201 index 10 USB0 port 0 child on link 0 USB2 port 0 USB2 port 0 USB2 port 1 USB2 port 2 USB2 port 4 USB2 port 8 PCI: 00:14.1 PCI: 00:14.2 PCI: 00:14.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:15.0 child on link 0 I2C: 01:5c PCI: 00:15.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 01:5c PCI: 00:15.1 child on link 0 I2C: 02:15 PCI: 00:15.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 02:15 PCI: 00:15.2 PCI: 00:15.3 PCI: 00:16.0 PCI: 00:16.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:16.1 PCI: 00:16.2 PCI: 00:16.3 PCI: 00:16.4 PCI: 00:17.0 PCI: 00:19.0 PCI: 00:19.0 resource base fe034000 size 1000 align 12 gran 12 limit ffffffffffffffff flags c0000200 index 10 PCI: 00:19.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 PCI: 00:19.1 child on link 0 I2C: 03:39 PCI: 00:19.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 03:39 I2C: 03:3a I2C: 03:1a PCI: 00:19.2 PCI: 00:1c.0 child on link 0 PCI: 01:00.0 PCI: 00:1c.0 resource base 0 size 0 align 12 gran 12 limit ffff flags 80102 index 1c PCI: 00:1c.0 resource base 0 size 0 align 20 gran 20 limit ffffffffffffffff flags 81202 index 24 PCI: 00:1c.0 resource base 0 size 0 align 20 gran 20 limit ffffffff flags 80202 index 20 PCI: 01:00.0 PCI: 01:00.0 resource base 0 size 2000 align 13 gran 13 limit ffffffffffffffff flags 201 index 10 PCI: 00:1c.1 PCI: 00:1c.2 PCI: 00:1c.3 PCI: 00:1c.4 PCI: 00:1c.5 PCI: 00:1c.6 PCI: 00:1c.7 PCI: 00:1d.0 PCI: 00:1d.1 PCI: 00:1d.2 PCI: 00:1d.3 PCI: 00:1e.0 PCI: 00:1e.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1e.1 PCI: 00:1e.2 child on link 0 SPI: 00 PCI: 00:1e.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 SPI: 00 PCI: 00:1e.3 PCI: 00:1e.4 PCI: 00:1e.4 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1e.5 PCI: 00:1e.6 PCI: 00:1e.6 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.0 child on link 0 PNP: 0c09.0 PCI: 00:1f.0 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0000100 index 0 PNP: 0c09.0 PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0 PCI: 00:1f.1 PCI: 00:1f.2 PCI: 00:1f.2 resource base 0 size 4000 align 14 gran 14 limit ffffffff flags 200 index 10 PCI: 00:1f.2 resource base fe000000 size 10000 align 0 gran 0 limit 0 flags d0000200 index 48 PCI: 00:1f.2 resource base 1800 size 100 align 0 gran 0 limit 0 flags c0000100 index 40 PCI: 00:1f.3 PCI: 00:1f.3 resource base 0 size 4000 align 14 gran 14 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.3 resource base 0 size 10000 align 16 gran 16 limit ffffffffffffffff flags 201 index 20 PCI: 00:1f.4 PCI: 00:1f.4 resource base efa0 size 20 align 0 gran 0 limit efbf flags f0000100 index 20 PCI: 00:1f.4 resource base 0 size 100 align 12 gran 8 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.5 PCI: 00:1f.5 resource base 0 size 1000 align 12 gran 12 limit ffffffff flags 200 index 10 PCI: 00:1f.6 DOMAIN: 0000 io: base: 0 size: 0 align: 0 gran: 0 limit: ffff PCI: 00:1c.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff PCI: 00:1c.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff done PCI: 00:02.0 20 * [0x0 - 0x3f] io DOMAIN: 0000 io: base: 40 size: 40 align: 6 gran: 0 limit: ffff done DOMAIN: 0000 mem: base: 0 size: 0 align: 0 gran: 0 limit: ffffffff PCI: 00:1c.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff PCI: 00:1c.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff done PCI: 00:1c.0 mem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffff PCI: 01:00.0 10 * [0x0 - 0x1fff] mem PCI: 00:1c.0 mem: base: 2000 size: 100000 align: 20 gran: 20 limit: ffffffff done PCI: 00:02.0 18 * [0x0 - 0xfffffff] prefmem PCI: 00:02.0 10 * [0x10000000 - 0x10ffffff] mem PCI: 00:1c.0 20 * [0x11000000 - 0x110fffff] mem PCI: 00:14.0 10 * [0x11100000 - 0x1110ffff] mem PCI: 00:1f.3 20 * [0x11110000 - 0x1111ffff] mem PCI: 00:04.0 10 * [0x11120000 - 0x11127fff] mem PCI: 00:1f.2 10 * [0x11128000 - 0x1112bfff] mem PCI: 00:1f.3 10 * [0x1112c000 - 0x1112ffff] mem PCI: 00:08.0 10 * [0x11130000 - 0x11130fff] mem PCI: 00:14.2 10 * [0x11131000 - 0x11131fff] mem PCI: 00:15.0 10 * [0x11132000 - 0x11132fff] mem PCI: 00:15.1 10 * [0x11133000 - 0x11133fff] mem PCI: 00:16.0 10 * [0x11134000 - 0x11134fff] mem PCI: 00:19.0 18 * [0x11135000 - 0x11135fff] mem PCI: 00:19.1 10 * [0x11136000 - 0x11136fff] mem PCI: 00:1e.0 10 * [0x11137000 - 0x11137fff] mem PCI: 00:1e.2 10 * [0x11138000 - 0x11138fff] mem PCI: 00:1e.4 10 * [0x11139000 - 0x11139fff] mem PCI: 00:1e.6 10 * [0x1113a000 - 0x1113afff] mem PCI: 00:1f.5 10 * [0x1113b000 - 0x1113bfff] mem PCI: 00:1f.4 10 * [0x1113c000 - 0x1113c0ff] mem DOMAIN: 0000 mem: base: 1113c100 size: 1113c100 align: 28 gran: 0 limit: ffffffff done avoid_fixed_resources: DOMAIN: 0000 avoid_fixed_resources:@DOMAIN: 0000 10000000 limit 0000ffff avoid_fixed_resources:@DOMAIN: 0000 10000100 limit ffffffff constrain_resources: PCI: 00:00.0 00 base e0000000 limit e3ffffff mem (fixed) constrain_resources: PCI: 00:00.0 08 base 00000000 limit 0009ffff mem (fixed) constrain_resources: PCI: 00:00.0 09 base 000c0000 limit 7affffff mem (fixed) constrain_resources: PCI: 00:00.0 0b base 7b000000 limit 7b7fffff mem (fixed) constrain_resources: PCI: 00:00.0 0c base 7b800000 limit 7fffffff mem (fixed) constrain_resources: PCI: 00:1f.0 00 base 00000000 limit 00000fff io (fixed) constrain_resources: PCI: 00:1f.2 40 base 00001800 limit 000018ff io (fixed) constrain_resources: PCI: 00:1f.4 20 base 0000efa0 limit 0000efbf io (fixed) avoid_fixed_resources:@DOMAIN: 0000 10000000 base 00001900 limit 0000ef9f avoid_fixed_resources:@DOMAIN: 0000 10000100 base c0000000 limit dfffffff Setting resources... DOMAIN: 0000 io: base:1900 size:40 align:6 gran:0 limit:ef9f PCI: 00:02.0 20 * [0x1c00 - 0x1c3f] io DOMAIN: 0000 io: next_base: 1c40 size: 40 align: 6 gran: 0 done PCI: 00:1c.0 io: base:ef9f size:0 align:12 gran:12 limit:ef9f PCI: 00:1c.0 io: next_base: ef9f size: 0 align: 12 gran: 12 done DOMAIN: 0000 mem: base:c0000000 size:1113c100 align:28 gran:0 limit:dfffffff PCI: 00:02.0 18 * [0xc0000000 - 0xcfffffff] prefmem PCI: 00:02.0 10 * [0xd0000000 - 0xd0ffffff] mem PCI: 00:1c.0 20 * [0xd1000000 - 0xd10fffff] mem PCI: 00:14.0 10 * [0xd1100000 - 0xd110ffff] mem PCI: 00:1f.3 20 * [0xd1110000 - 0xd111ffff] mem PCI: 00:04.0 10 * [0xd1120000 - 0xd1127fff] mem PCI: 00:1f.2 10 * [0xd1128000 - 0xd112bfff] mem PCI: 00:1f.3 10 * [0xd112c000 - 0xd112ffff] mem PCI: 00:08.0 10 * [0xd1130000 - 0xd1130fff] mem PCI: 00:14.2 10 * [0xd1131000 - 0xd1131fff] mem PCI: 00:15.0 10 * [0xd1132000 - 0xd1132fff] mem PCI: 00:15.1 10 * [0xd1133000 - 0xd1133fff] mem PCI: 00:16.0 10 * [0xd1134000 - 0xd1134fff] mem PCI: 00:19.0 18 * [0xd1135000 - 0xd1135fff] mem PCI: 00:19.1 10 * [0xd1136000 - 0xd1136fff] mem PCI: 00:1e.0 10 * [0xd1137000 - 0xd1137fff] mem PCI: 00:1e.2 10 * [0xd1138000 - 0xd1138fff] mem PCI: 00:1e.4 10 * [0xd1139000 - 0xd1139fff] mem PCI: 00:1e.6 10 * [0xd113a000 - 0xd113afff] mem PCI: 00:1f.5 10 * [0xd113b000 - 0xd113bfff] mem PCI: 00:1f.4 10 * [0xd113c000 - 0xd113c0ff] mem DOMAIN: 0000 mem: next_base: d113c100 size: 1113c100 align: 28 gran: 0 done PCI: 00:1c.0 prefmem: base:dfffffff size:0 align:20 gran:20 limit:dfffffff PCI: 00:1c.0 prefmem: next_base: dfffffff size: 0 align: 20 gran: 20 done PCI: 00:1c.0 mem: base:d1000000 size:100000 align:20 gran:20 limit:d10fffff PCI: 01:00.0 10 * [0xd1000000 - 0xd1001fff] mem PCI: 00:1c.0 mem: next_base: d1002000 size: 100000 align: 20 gran: 20 done Root Device assign_resources, bus 0 link: 0 DOMAIN: 0000 assign_resources, bus 0 link: 0 PCI: 00:02.0 10 <- [0x00d0000000 - 0x00d0ffffff] size 0x01000000 gran 0x18 mem64 PCI: 00:02.0 18 <- [0x00c0000000 - 0x00cfffffff] size 0x10000000 gran 0x1c prefmem64 PCI: 00:02.0 20 <- [0x0000001c00 - 0x0000001c3f] size 0x00000040 gran 0x06 io PCI: 00:04.0 10 <- [0x00d1120000 - 0x00d1127fff] size 0x00008000 gran 0x0f mem64 PCI: 00:08.0 10 <- [0x00d1130000 - 0x00d1130fff] size 0x00001000 gran 0x0c mem64 PCI: 00:14.0 10 <- [0x00d1100000 - 0x00d110ffff] size 0x00010000 gran 0x10 mem64 PCI: 00:14.0 assign_resources, bus 0 link: 0 PCI: 00:14.0 assign_resources, bus 0 link: 0 PCI: 00:14.2 10 <- [0x00d1131000 - 0x00d1131fff] size 0x00001000 gran 0x0c mem64 PCI: 00:15.0 10 <- [0x00d1132000 - 0x00d1132fff] size 0x00001000 gran 0x0c mem64 PCI: 00:15.0 assign_resources, bus 1 link: 0 PCI: 00:15.0 assign_resources, bus 1 link: 0 PCI: 00:15.1 10 <- [0x00d1133000 - 0x00d1133fff] size 0x00001000 gran 0x0c mem64 PCI: 00:15.1 assign_resources, bus 2 link: 0 PCI: 00:15.1 assign_resources, bus 2 link: 0 PCI: 00:16.0 10 <- [0x00d1134000 - 0x00d1134fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.0 18 <- [0x00d1135000 - 0x00d1135fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.1 10 <- [0x00d1136000 - 0x00d1136fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.1 assign_resources, bus 3 link: 0 PCI: 00:19.1 assign_resources, bus 3 link: 0 PCI: 00:1c.0 1c <- [0x000000ef9f - 0x000000ef9e] size 0x00000000 gran 0x0c bus 01 io PCI: 00:1c.0 24 <- [0x00dfffffff - 0x00dffffffe] size 0x00000000 gran 0x14 bus 01 prefmem PCI: 00:1c.0 20 <- [0x00d1000000 - 0x00d10fffff] size 0x00100000 gran 0x14 bus 01 mem PCI: 00:1c.0 assign_resources, bus 1 link: 0 PCI: 01:00.0 10 <- [0x00d1000000 - 0x00d1001fff] size 0x00002000 gran 0x0d mem64 PCI: 00:1c.0 assign_resources, bus 1 link: 0 PCI: 00:1e.0 10 <- [0x00d1137000 - 0x00d1137fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1e.2 10 <- [0x00d1138000 - 0x00d1138fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1e.2 assign_resources, bus 4 link: 0 PCI: 00:1e.2 assign_resources, bus 4 link: 0 PCI: 00:1e.4 10 <- [0x00d1139000 - 0x00d1139fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1e.6 10 <- [0x00d113a000 - 0x00d113afff] size 0x00001000 gran 0x0c mem64 PCI: 00:1f.0 assign_resources, bus 0 link: 0 PCI: 00:1f.0 assign_resources, bus 0 link: 0 LPC: Trying to open IO window from 800 size 1ff PCI: 00:1f.2 10 <- [0x00d1128000 - 0x00d112bfff] size 0x00004000 gran 0x0e mem PCI: 00:1f.3 10 <- [0x00d112c000 - 0x00d112ffff] size 0x00004000 gran 0x0e mem64 PCI: 00:1f.3 20 <- [0x00d1110000 - 0x00d111ffff] size 0x00010000 gran 0x10 mem64 PCI: 00:1f.4 10 <- [0x00d113c000 - 0x00d113c0ff] size 0x00000100 gran 0x08 mem64 PCI: 00:1f.5 10 <- [0x00d113b000 - 0x00d113bfff] size 0x00001000 gran 0x0c mem DOMAIN: 0000 assign_resources, bus 0 link: 0 Root Device assign_resources, bus 0 link: 0 Done setting resources. Show resources in subtree (Root Device)...After assigning values. Root Device child on link 0 CPU_CLUSTER: 0 CPU_CLUSTER: 0 child on link 0 APIC: 00 APIC: 00 APIC: 01 APIC: 03 APIC: 02 DOMAIN: 0000 child on link 0 PCI: 00:00.0 DOMAIN: 0000 resource base 1900 size 40 align 6 gran 0 limit ef9f flags 40040100 index 10000000 DOMAIN: 0000 resource base c0000000 size 1113c100 align 28 gran 0 limit dfffffff flags 40040200 index 10000100 PCI: 00:00.0 PCI: 00:00.0 resource base e0000000 size 4000000 align 0 gran 0 limit 0 flags f0000200 index 0 PCI: 00:00.0 resource base fed10000 size 8000 align 0 gran 0 limit 0 flags f0000200 index 1 PCI: 00:00.0 resource base fed18000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 2 PCI: 00:00.0 resource base fed19000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 3 PCI: 00:00.0 resource base fed84000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 4 PCI: 00:00.0 resource base fed80000 size 4000 align 0 gran 0 limit 0 flags f0000200 index 5 PCI: 00:00.0 resource base fed90000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 6 PCI: 00:00.0 resource base fed91000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 7 PCI: 00:00.0 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 8 PCI: 00:00.0 resource base c0000 size 7af40000 align 0 gran 0 limit 0 flags e0004200 index 9 PCI: 00:00.0 resource base 7b000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index b PCI: 00:00.0 resource base 7b800000 size 4800000 align 0 gran 0 limit 0 flags f0000200 index c PCI: 00:00.0 resource base 100000000 size 7f000000 align 0 gran 0 limit 0 flags e0004200 index d PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index e PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index f PCI: 00:02.0 PCI: 00:02.0 resource base d0000000 size 1000000 align 24 gran 24 limit d0ffffff flags 60000201 index 10 PCI: 00:02.0 resource base c0000000 size 10000000 align 28 gran 28 limit cfffffff flags 60001201 index 18 PCI: 00:02.0 resource base 1c00 size 40 align 6 gran 6 limit 1c3f flags 60000100 index 20 PCI: 00:04.0 PCI: 00:04.0 resource base d1120000 size 8000 align 15 gran 15 limit d1127fff flags 60000201 index 10 PCI: 00:08.0 PCI: 00:08.0 resource base d1130000 size 1000 align 12 gran 12 limit d1130fff flags 60000201 index 10 PCI: 00:14.0 child on link 0 USB0 port 0 PCI: 00:14.0 resource base d1100000 size 10000 align 16 gran 16 limit d110ffff flags 60000201 index 10 USB0 port 0 child on link 0 USB2 port 0 USB2 port 0 USB2 port 1 USB2 port 2 USB2 port 4 USB2 port 8 PCI: 00:14.1 PCI: 00:14.2 PCI: 00:14.2 resource base d1131000 size 1000 align 12 gran 12 limit d1131fff flags 60000201 index 10 PCI: 00:15.0 child on link 0 I2C: 01:5c PCI: 00:15.0 resource base d1132000 size 1000 align 12 gran 12 limit d1132fff flags 60000201 index 10 I2C: 01:5c PCI: 00:15.1 child on link 0 I2C: 02:15 PCI: 00:15.1 resource base d1133000 size 1000 align 12 gran 12 limit d1133fff flags 60000201 index 10 I2C: 02:15 PCI: 00:15.2 PCI: 00:15.3 PCI: 00:16.0 PCI: 00:16.0 resource base d1134000 size 1000 align 12 gran 12 limit d1134fff flags 60000201 index 10 PCI: 00:16.1 PCI: 00:16.2 PCI: 00:16.3 PCI: 00:16.4 PCI: 00:17.0 PCI: 00:19.0 PCI: 00:19.0 resource base fe034000 size 1000 align 12 gran 12 limit ffffffffffffffff flags c0000200 index 10 PCI: 00:19.0 resource base d1135000 size 1000 align 12 gran 12 limit d1135fff flags 60000201 index 18 PCI: 00:19.1 child on link 0 I2C: 03:39 PCI: 00:19.1 resource base d1136000 size 1000 align 12 gran 12 limit d1136fff flags 60000201 index 10 I2C: 03:39 I2C: 03:3a I2C: 03:1a PCI: 00:19.2 PCI: 00:1c.0 child on link 0 PCI: 01:00.0 PCI: 00:1c.0 resource base ef9f size 0 align 12 gran 12 limit ef9f flags 60080102 index 1c PCI: 00:1c.0 resource base dfffffff size 0 align 20 gran 20 limit dfffffff flags 60081202 index 24 PCI: 00:1c.0 resource base d1000000 size 100000 align 20 gran 20 limit d10fffff flags 60080202 index 20 PCI: 01:00.0 PCI: 01:00.0 resource base d1000000 size 2000 align 13 gran 13 limit d1001fff flags 60000201 index 10 PCI: 00:1c.1 PCI: 00:1c.2 PCI: 00:1c.3 PCI: 00:1c.4 PCI: 00:1c.5 PCI: 00:1c.6 PCI: 00:1c.7 PCI: 00:1d.0 PCI: 00:1d.1 PCI: 00:1d.2 PCI: 00:1d.3 PCI: 00:1e.0 PCI: 00:1e.0 resource base d1137000 size 1000 align 12 gran 12 limit d1137fff flags 60000201 index 10 PCI: 00:1e.1 PCI: 00:1e.2 child on link 0 SPI: 00 PCI: 00:1e.2 resource base d1138000 size 1000 align 12 gran 12 limit d1138fff flags 60000201 index 10 SPI: 00 PCI: 00:1e.3 PCI: 00:1e.4 PCI: 00:1e.4 resource base d1139000 size 1000 align 12 gran 12 limit d1139fff flags 60000201 index 10 PCI: 00:1e.5 PCI: 00:1e.6 PCI: 00:1e.6 resource base d113a000 size 1000 align 12 gran 12 limit d113afff flags 60000201 index 10 PCI: 00:1f.0 child on link 0 PNP: 0c09.0 PCI: 00:1f.0 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0000100 index 0 PNP: 0c09.0 PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0 PCI: 00:1f.1 PCI: 00:1f.2 PCI: 00:1f.2 resource base d1128000 size 4000 align 14 gran 14 limit d112bfff flags 60000200 index 10 PCI: 00:1f.2 resource base fe000000 size 10000 align 0 gran 0 limit 0 flags d0000200 index 48 PCI: 00:1f.2 resource base 1800 size 100 align 0 gran 0 limit 0 flags c0000100 index 40 PCI: 00:1f.3 PCI: 00:1f.3 resource base d112c000 size 4000 align 14 gran 14 limit d112ffff flags 60000201 index 10 PCI: 00:1f.3 resource base d1110000 size 10000 align 16 gran 16 limit d111ffff flags 60000201 index 20 PCI: 00:1f.4 PCI: 00:1f.4 resource base efa0 size 20 align 0 gran 0 limit efbf flags f0000100 index 20 PCI: 00:1f.4 resource base d113c000 size 100 align 12 gran 8 limit d113c0ff flags 60000201 index 10 PCI: 00:1f.5 PCI: 00:1f.5 resource base d113b000 size 1000 align 12 gran 12 limit d113bfff flags 60000200 index 10 PCI: 00:1f.6 Done allocating resources. BS: BS_DEV_RESOURCES times (us): entry 0 run 2114380 exit 29 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 228 run 139360 exit 19808 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 30841 usecs CPU_CLUSTER: 0 init ... CPU_CLUSTER: 0 init finished in 2445 usecs PCI: 00:00.0 init ... CPU TDP: 5 Watts CPU PL2 = 18 Watts PCI: 00:00.0 init finished in 6981 usecs PCI: 00:02.0 init ... PCI: 00:02.0 init finished in 2251 usecs PCI: 00:04.0 init ... PCI: 00:04.0 init finished in 2249 usecs PCI: 00:08.0 init ... PCI: 00:08.0 init finished in 2250 usecs PCI: 00:14.0 init ... PCI: 00:14.0 init finished in 2250 usecs PCI: 00:14.2 init ... PCI: 00:14.2 init finished in 2248 usecs PCI: 00:15.0 init ... DW I2C bus 0 at 0xd1132000 (400 KHz) PCI: 00:15.0 init finished in 5969 usecs PCI: 00:15.1 init ... DW I2C bus 1 at 0xd1133000 (400 KHz) PCI: 00:15.1 init finished in 5969 usecs PCI: 00:16.0 init ... PCI: 00:16.0 init finished in 2249 usecs PCI: 00:19.1 init ... DW I2C bus 5 at 0xd1136000 (400 KHz) PCI: 00:19.1 init finished in 5968 usecs PCI: 00:1c.0 init ... Initializing PCH PCIe bridge. PCI: 00:1c.0 init finished in 5287 usecs PCI: 00:1e.4 init ... PCI: 00:1e.4 init finished in 2248 usecs PCI: 00:1f.0 init ... IOAPIC: Initializing IOAPIC at 0xfec00000 IOAPIC: Bootstrap Processor Local APIC = 0x00 IOAPIC: ID = 0x02 IOAPIC: Dumping registers reg 0x0000: 0x02000000 reg 0x0001: 0x00770020 reg 0x0002: 0x00000000 PCI: 00:1f.0 init finished in 23467 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 23822 usecs PCI: 00:1f.4 init ... PCI: 00:1f.4 init finished in 2260 usecs PCI: 01:00.0 init ... PCI: 01:00.0 init finished in 2393 usecs PNP: 0c09.0 init ... Google Chrome EC: Hello got back 11223344 status (0) Google Chrome EC: version: ro: rammus_v2.0.387-f0df0fe2e rw: rammus_v2.0.425-6e0dd622e running image: 1 EC returned error result code 1 PNP: 0c09.0 init finished in 24455 usecs Devices initialized Show all devs... After init. Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 DOMAIN: 0000: enabled 1 APIC: 00: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 PCI: 00:15.1: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PCI: 00:1f.1: enabled 0 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 USB0 port 0: enabled 1 I2C: 01:5c: enabled 1 I2C: 02:15: enabled 1 I2C: 03:39: enabled 1 I2C: 03:3a: enabled 1 I2C: 03:1a: enabled 1 PCI: 01:00.0: enabled 1 SPI: 00: enabled 1 PNP: 0c09.0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 APIC: 01: enabled 1 APIC: 03: enabled 1 APIC: 02: enabled 1 PCI: 00:04.0: enabled 1 PCI: 00:08.0: enabled 1 FMAP: area RW_ELOG found @ 9f0000 (16384 bytes) ELOG: NV offset 0x9f0000 size 0x4000 ELOG: area is 4096 bytes, full threshold 3842, shrink size 1024 ELOG: Event(17) added with size 13 at 2023-06-05 10:23:26 UTC POST: Unexpected post code in previous boot: 0x34 ELOG: Event(A3) added with size 11 at 2023-06-05 10:23:26 UTC ELOG: Event(92) added with size 9 at 2023-06-05 10:23:26 UTC ELOG: Event(9A) added with size 9 at 2023-06-05 10:23:26 UTC ELOG: Event(AD) added with size 10 at 2023-06-05 10:23:26 UTC ELOG: Event(9F) added with size 14 at 2023-06-05 10:23:26 UTC BS: BS_DEV_INIT times (us): entry 0 run 417140 exit 60066 ELOG: Event(A1) added with size 10 at 2023-06-05 10:23:26 UTC elog_add_boot_reason: Logged recovery mode boot (Dev-switch on), reason: 0x1b ELOG: Event(A0) added with size 9 at 2023-06-05 10:23:26 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 25577 run 3960 exit 5193 BS: BS_OS_RESUME_CHECK times (us): entry 0 run 56 exit 0 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/dsdt.aml' CBFS: Found @ offset 19af40 size 4691 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/slic' CBFS: 'fallback/slic' not found. ACPI: Writing ACPI tables at 7aa9a000. ACPI: * FACS ACPI: * DSDT Ramoops buffer: 0x100000@0x7a999000. SGX: not enabled or not supported. skip gnvs fill ACPI: * FADT SCI is IRQ9 ACPI: added table 1/32, length now 40 ACPI: * SSDT Found 1 CPU(s) with 4 core(s) each. \_SB.PCI0.I2C0.H05C: SISC Touchscreen at I2C: 01:5c \_SB.PCI0.I2C1.D015: ELAN Touchpad at I2C: 02:15 \_SB.PCI0.I2C5.MAXR: Maxim MAX98927 Codec address 039h \_SB.PCI0.I2C5.MAXL: Maxim MAX98927 Codec address 03ah \_SB.PCI0.I2C5.DLG7: Dialog Semiconductor DA7219 Audio Codec address 01ah irq 105 Error: Could not locate 'wifi_sar' in VPD. Error: failed from getting SAR limits! \_SB.PCI0.RP01.WIFI: Intel WiFi PCI: 01:00.0 \_SB.PCI0.SPI0.S001: SPI Device at SPI: 00 \_SB.PCI0.XHCI.RHUB.HS01: USB Type C Port 1 at USB2 port 0 \_SB.PCI0.XHCI.RHUB.HS02: USB Type A Port 1 at USB2 port 1 \_SB.PCI0.XHCI.RHUB.HS03: Bluetooth at USB2 port 2 \_SB.PCI0.XHCI.RHUB.HS05: USB Type C Port 2 at USB2 port 4 \_SB.PCI0.XHCI.RHUB.HS09: Camera at USB2 port 8 ACPI: added table 2/32, length now 44 ACPI: * MCFG ACPI: added table 3/32, length now 48 ACPI: * TPM2 ACPI: added table 4/32, length now 52 ACPI: * MADT SCI is IRQ9 ACPI: added table 5/32, length now 56 current = 7aa9fa60 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dmic-4ch-48khz-16b.bin' CBFS: Found @ offset 167000 size ba8 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dmic-4ch-48khz-32b.bin' CBFS: Found @ offset 19f640 size ba8 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dialog-2ch-48khz-24b.bin' CBFS: Found @ offset 167cc0 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dialog-2ch-48khz-24b.bin' CBFS: Found @ offset 167cc0 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'max98927-render-2ch-48khz-24b.bin' CBFS: Found @ offset 167c00 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'max98927-render-2ch-48khz-16b.bin' CBFS: Found @ offset 103f00 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'max98927-render-2ch-48khz-16b.bin' CBFS: Found @ offset 103f00 size 64 ACPI: * NHLT ACPI: added table 6/32, length now 60 ACPI: * DMAR ACPI: added table 7/32, length now 64 ACPI: * IGD OpRegion GMA: Found VBT in CBFS GMA: Found valid VBT in CBFS current = 7aaa3610 ACPI: added table 8/32, length now 68 ACPI: * HPET ACPI: added table 9/32, length now 72 ACPI: done. ACPI tables: 38592 bytes. smbios_write_tables: 7a998000 Create SMBIOS type 17 PCI: 01:00.0 (Intel WiFi) SMBIOS tables: 662 bytes. Writing table forward entry at 0x00000500 Wrote coreboot table at: 00000500, 0x10 bytes, checksum a532 Writing coreboot table at 0x7aabe000 0. 0000000000000000-0000000000000fff: CONFIGURATION TABLES 1. 0000000000001000-000000000009ffff: RAM 2. 00000000000a0000-00000000000fffff: RESERVED 3. 0000000000100000-000000007a997fff: RAM 4. 000000007a998000-000000007ab05fff: CONFIGURATION TABLES 5. 000000007ab06000-000000007abcffff: RAMSTAGE 6. 000000007abd0000-000000007affffff: CONFIGURATION TABLES 7. 000000007b000000-000000007fffffff: RESERVED 8. 00000000e0000000-00000000e3ffffff: RESERVED 9. 00000000fe000000-00000000fe00ffff: RESERVED 10. 00000000fed10000-00000000fed19fff: RESERVED 11. 00000000fed80000-00000000fed84fff: RESERVED 12. 00000000fed90000-00000000fed91fff: RESERVED 13. 0000000100000000-000000017effffff: RAM Graphics framebuffer located at 0xc0000000 Passing 6 GPIOs to payload: NAME | PORT | POLARITY | VALUE write protect | undefined | high | low recovery | undefined | high | low lid | undefined | high | high power | undefined | high | low oprom | undefined | high | low EC in RW | 0x00000036 | high | low Board ID: 6 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) Wrote coreboot table at: 7aabe000, 0x5a4 bytes, checksum 17c2 coreboot table: 1468 bytes. IMD ROOT 0. 7afff000 00001000 IMD SMALL 1. 7affe000 00001000 FSP MEMORY 2. 7abfe000 00400000 CONSOLE 3. 7abde000 00020000 TIME STAMP 4. 7abdd000 00000910 VBOOT 5. 7abdc000 00000c0c MRC DATA 6. 7abda000 00001878 ROMSTG STCK 7. 7abd9000 00000400 AFTER CAR 8. 7abd0000 00009000 RAMSTAGE 9. 7ab05000 000cb000 REFCODE 10. 7aad6000 0002f000 SMM BACKUP 11. 7aac6000 00010000 COREBOOT 12. 7aabe000 00008000 ACPI 13. 7aa9a000 00024000 ACPI GNVS 14. 7aa99000 00001000 RAMOOPS 15. 7a999000 00100000 SMBIOS 16. 7a998000 00000800 IMD small region: IMD ROOT 0. 7affec00 00000400 FSP RUNTIME 1. 7affebe0 00000004 VBOOT SEL 2. 7affebc0 00000008 EC HOSTEVENT 3. 7affeba0 00000008 POWER STATE 4. 7affeb60 00000040 ROMSTAGE 5. 7affeb40 00000004 MEM INFO 6. 7affe980 000001a9 VPD 7. 7affe920 00000047 COREBOOTFWD 8. 7affe8e0 00000028 MTRR: Physical address space: 0x0000000000000000 - 0x00000000000a0000 size 0x000a0000 type 6 0x00000000000a0000 - 0x00000000000c0000 size 0x00020000 type 0 0x00000000000c0000 - 0x000000007b800000 size 0x7b740000 type 6 0x000000007b800000 - 0x00000000c0000000 size 0x44800000 type 0 0x00000000c0000000 - 0x00000000d0000000 size 0x10000000 type 1 0x00000000d0000000 - 0x0000000100000000 size 0x30000000 type 0 0x0000000100000000 - 0x000000017f000000 size 0x7f000000 type 6 MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 call enable_fixed_mtrr() CPU physical address size: 39 bits MTRR: default type WB/UC MTRR counts: 6/5. MTRR: UC selected as default type. MTRR: 0 base 0x0000000000000000 mask 0x0000007f80000000 type 6 MTRR: 1 base 0x000000007b800000 mask 0x0000007fff800000 type 0 MTRR: 2 base 0x000000007c000000 mask 0x0000007ffc000000 type 0 MTRR: 3 base 0x00000000c0000000 mask 0x0000007ff0000000 type 1 MTRR: 4 base 0x0000000100000000 mask 0x0000007f80000000 type 6 MTRR check Fixed MTRRs : Enabled Variable MTRRs: Enabled MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 BS: BS_WRITE_TABLES times (us): entry 0 run 537689 exit 146410 call enable_fixed_mtrr() CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CPU physical address size: 39 bits CBFS: Locating 'fallback/payload' MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 call enable_fixed_mtrr() MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 CPU physical address size: 39 bits call enable_fixed_mtrr() CBFS: Found @ offset 223040 size 360b4 CPU physical address size: 39 bits Checking segment from ROM address 0xfff23078 Checking segment from ROM address 0xfff23094 Loading segment from ROM address 0xfff23078 code (compression=0) New segment dstaddr 0x30104020 memsize 0x64d8b0 srcaddr 0xfff230b0 filesize 0x3607c Loading Segment: addr: 0x30104020 memsz: 0x000000000064d8b0 filesz: 0x000000000003607c it's not compressed! [ 0x30104020, 3013a09c, 0x307518d0) <- fff230b0 Clearing Segment: addr: 0x000000003013a09c memsz: 0x0000000000617834 Loading segment from ROM address 0xfff23094 Entry Point 0x30104020 Loaded segments Finalizing chipset. ME: Host Firmware Status Register 1 : 0x90000245 ME: Host Firmware Status Register 2 : 0x6B000306 ME: Host Firmware Status Register 3 : 0x00000020 ME: Host Firmware Status Register 4 : 0x00084000 ME: Host Firmware Status Register 5 : 0x00000000 ME: Host Firmware Status Register 6 : 0x40000002 ME: FW Partition Table : OK ME: Bringup Loader Failure : NO ME: Firmware Init Complete : YES ME: Manufacturing Mode : NO ME: Boot Options Present : NO ME: Update In Progress : NO ME: D3 Support : NO ME: D0i3 Support : YES ME: Low Power State Enabled : YES ME: CPU Replaced : NO ME: CPU Replacement Valid : YES ME: Current Working State : Normal ME: Current Operation State : M0 with UMA ME: Current Operation Mode : Normal ME: Error Code : No Error ME: Progress Phase : Host Communication ME: Power Management Event : Power cycle reset through Moff ME: Progress Phase State : Host communication established ME: Power Down Mitigation : NO ME: FPF status : fused Clearing MCA. Finalizing SMM. BS: BS_PAYLOAD_LOAD times (us): entry 599 run 260121 exit 135351 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 10590700/tftp-deploy-5ynuagde/kernel/bzImage 10590700/tftp-deploy-5ynuagde/kernel/cmdline 10590700/tftp-deploy-5ynuagde/ramdisk/ramdisk.cpio.gz tftpboot 192.168.201.1 10590700/tftp-deploy-5ynuagde/kernel/bzIploy-5ynuagde/kernel/cmdline 10590700/tftp-deploy-5ynuagde/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 192.168.201.12 The DHCP server ip is 192.168.201.1 TFTP server IP predefined by user: 192.168.201.1 Bootfile predefined by user: 10590700/tftp-deploy-5ynuagde/kernel/bzImage Sending tftp read request... done. Waiting for the transfer... 00000000 ################################################################ 00080000 ################################################################ 00100000 ################################################################ 00180000 ################################################################ 00200000 ################################################################ 00280000 ################################################################ 00300000 ################################################################ 00380000 ################################################################ 00400000 ################################################################ 00480000 ################################################################ 00500000 ################################################################ 00580000 ################################################################ 00600000 ################################################################ 00680000 ################################################################ 00700000 ################################################################ 00780000 ################################################################ 00800000 ################################################################ 00880000 ################################################################ 00900000 ################################################################ 00980000 ################################################################ 00a00000 ################################################################ 00a80000 ################################################################ 00b00000 ################################################################ 00b80000 ################################################################ 00c00000 ################################################################ 00c80000 ################################################################ 00d00000 ################################################################ 00d80000 ################################################################ 00e00000 ################################################################ 00e80000 ################################################################ 00f00000 ################################################################ 00f80000 #################### done. The bootfile was 16408960 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 ################################################################ 00880000 ################################################################ 00900000 ################################################################ 00980000 ################################################################ 00a00000 ################### done. Sending tftp read request... done. Waiting for the transfer... 00000000 # done. Command line loaded dynamically from TFTP file: 10590700/tftp-deploy-5ynuagde/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/10590700/extract-nfsrootfs-2mh_qp5m,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: 21818619 Starting kernel ... [ 0.000000] Linux version 5.10.182-cip34 (KernelCI@build-j1608784-x86-64-gcc-10-x86-64-defconfig-x86-chromebonqp7n) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Mon Jun 5 10:09:22 UTC 2023 [ 0.000000] Command line: earlyprintk=uart8250,mmio32,0xde000000,115200n8 console=ttyS0,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/10590700/extract-nfsrootfs-2mh_qp5m,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 [ 0.000045] last_pfn = 0x17f000 max_arch_pfn = 0x400000000 [ 0.001162] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.005947] last_pfn = 0x7a998 max_arch_pfn = 0x400000000 [ 0.020310] check: Scanning 1 areas for low memory corruption [ 0.020321] Using GB pages for direct mapping [ 0.020782] RAMDISK: [mem 0x375db000-0x37ffffff] [ 0.020789] ACPI: Early table checksum verification disabled [ 0.020795] ACPI: RSDP 0x00000000000F0000 000024 (v02 CORE ) [ 0.020807] ACPI: XSDT 0x000000007AA9A0E0 00006C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.020820] ACPI: FACP 0x000000007AA9E970 0000F4 (v04 CORE COREBOOT 00000000 CORE 00000000) [ 0.020834] ACPI: DSDT 0x000000007AA9A280 0046E3 (v05 COREv4 COREBOOT 20110725 INTL 20180531) [ 0.020844] ACPI: FACS 0x000000007AA9A240 000040 [ 0.020853] ACPI: FACS 0x000000007AA9A240 000040 [ 0.020862] ACPI: SSDT 0x000000007AA9EA70 000EFA (v02 CORE COREBOOT 0000002A CORE 0000002A) [ 0.020873] ACPI: MCFG 0x000000007AA9F970 00003C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.020882] ACPI: TPM2 0x000000007AA9F9B0 000040 (v04 CORE COREBOOT 00000000 CORE 00000000) [ 0.020892] ACPI: APIC 0x000000007AA9F9F0 00006C (v02 CORE COREBOOT 00000000 CORE 00000000) [ 0.020902] ACPI: NHLT 0x000000007AA9FA60 001B1C (v05 GOOGLE RAMMUS 00000000 CORE 00000000) [ 0.020912] ACPI: DMAR 0x000000007AAA1580 000088 (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.020922] ACPI: DBG2 0x000000007AAA3610 000061 (v00 CORE COREBOOT 00000000 CORE 00000000) [ 0.020931] ACPI: HPET 0x000000007AAA3680 000038 (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.020941] ACPI: Reserving FACP table memory at [mem 0x7aa9e970-0x7aa9ea63] [ 0.020946] ACPI: Reserving DSDT table memory at [mem 0x7aa9a280-0x7aa9e962] [ 0.020949] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] [ 0.020953] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] [ 0.020957] ACPI: Reserving SSDT table memory at [mem 0x7aa9ea70-0x7aa9f969] [ 0.020961] ACPI: Reserving MCFG table memory at [mem 0x7aa9f970-0x7aa9f9ab] [ 0.020964] ACPI: Reserving TPM2 table memory at [mem 0x7aa9f9b0-0x7aa9f9ef] [ 0.020968] ACPI: Reserving APIC table memory at [mem 0x7aa9f9f0-0x7aa9fa5b] [ 0.020972] ACPI: Reserving NHLT table memory at [mem 0x7aa9fa60-0x7aaa157b] [ 0.020976] ACPI: Reserving DMAR table memory at [mem 0x7aaa1580-0x7aaa1607] [ 0.020979] ACPI: Reserving DBG2 table memory at [mem 0x7aaa3610-0x7aaa3670] [ 0.020983] ACPI: Reserving HPET table memory at [mem 0x7aaa3680-0x7aaa36b7] [ 0.021114] No NUMA configuration found [ 0.021118] Faking a node at [mem 0x0000000000000000-0x000000017effffff] [ 0.021126] NODE_DATA(0) allocated [mem 0x17effc000-0x17effffff] [ 0.021162] Zone ranges: [ 0.021166] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.021172] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.021178] Normal [mem 0x0000000100000000-0x000000017effffff] [ 0.021184] Movable zone start for each node [ 0.021188] Early memory node ranges [ 0.021192] node 0: [mem 0x0000000000001000-0x000000000009ffff] [ 0.021196] node 0: [mem 0x0000000000100000-0x000000007a997fff] [ 0.021200] node 0: [mem 0x0000000100000000-0x000000017effffff] [ 0.021205] Initmem setup node 0 [mem 0x0000000000001000-0x000000017effffff] [ 0.021234] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.021271] On node 0, zone DMA: 96 pages in unavailable ranges [ 0.031156] On node 0, zone Normal: 22120 pages in unavailable ranges [ 0.031210] On node 0, zone Normal: 4096 pages in unavailable ranges [ 0.031233] Reserving Intel graphics memory at [mem 0x7c000000-0x7fffffff] [ 0.031578] ACPI: PM-Timer IO Port: 0x1808 [ 0.031629] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-119 [ 0.031639] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 0.031644] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.031655] Using ACPI (MADT) for SMP configuration information [ 0.031660] ACPI: HPET id: 0x8086a701 base: 0xfed00000 [ 0.031666] TSC deadline timer available [ 0.031671] smpboot: Allowing 4 CPUs, 0 hotplug CPUs [ 0.031693] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.031698] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000fffff] [ 0.031702] PM: hibernation: Registered nosave memory: [mem 0x7a998000-0x7affffff] [ 0.031706] PM: hibernation: Registered nosave memory: [mem 0x7b000000-0x7fffffff] [ 0.031709] PM: hibernation: Registered nosave memory: [mem 0x80000000-0xdfffffff] [ 0.031712] PM: hibernation: Registered nosave memory: [mem 0xe0000000-0xe3ffffff] [ 0.031716] PM: hibernation: Registered nosave memory: [mem 0xe4000000-0xfdffffff] [ 0.031719] PM: hibernation: Registered nosave memory: [mem 0xfe000000-0xfe00ffff] [ 0.031722] PM: hibernation: Registered nosave memory: [mem 0xfe010000-0xfed0ffff] [ 0.031725] PM: hibernation: Registered nosave memory: [mem 0xfed10000-0xfed19fff] [ 0.031729] PM: hibernation: Registered nosave memory: [mem 0xfed1a000-0xfed7ffff] [ 0.031732] PM: hibernation: Registered nosave memory: [mem 0xfed80000-0xfed84fff] [ 0.031735] PM: hibernation: Registered nosave memory: [mem 0xfed85000-0xfed8ffff] [ 0.031739] PM: hibernation: Registered nosave memory: [mem 0xfed90000-0xfed91fff] [ 0.031742] PM: hibernation: Registered nosave memory: [mem 0xfed92000-0xffffffff] [ 0.031748] [mem 0x80000000-0xdfffffff] available for PCI devices [ 0.031755] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns [ 0.044953] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:4 nr_node_ids:1 [ 0.045185] percpu: Embedded 59 pages/cpu s200848 r8192 d32624 u524288 [ 0.045248] Built 1 zonelists, mobility grouping on. Total pages: 1006266 [ 0.045252] Policy zone: Normal [ 0.045262] 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/10590700/extract-nfsrootfs-2mh_qp5m,tcp,hard ip=dhcp tftpserverip=192.168.201.1 [ 0.045675] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) [ 0.045863] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear) [ 0.045935] mem auto-init: stack:off, heap alloc:off, heap free:off [ 0.064465] Memory: 3878212K/4089052K available (22546K kernel code, 3691K rwdata, 9380K rodata, 2148K init, 14096K bss, 210580K reserved, 0K cma-reserved) [ 0.064595] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 [ 0.064646] Kernel/User page tables isolation: enabled [ 0.064722] ftrace: allocating 60778 entries in 238 pages [ 0.117610] ftrace: allocated 238 pages with 6 groups [ 0.117837] Running RCU self tests [ 0.117850] rcu: Hierarchical RCU implementation. [ 0.117853] rcu: RCU event tracing is enabled. [ 0.117856] rcu: RCU lockdep checking is enabled. [ 0.117860] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=4. [ 0.117864] Rude variant of Tasks RCU enabled. [ 0.117867] Tracing variant of Tasks RCU enabled. [ 0.117870] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies. [ 0.117874] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 [ 0.125466] NR_IRQS: 4352, nr_irqs: 1024, preallocated irqs: 16 [ 0.125873] random: crng init done [ 0.125957] Console: colour dummy device 80x25 [ 0.201089] printk: console [ttyS0] enabled [ 0.201456] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.202117] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.202471] ... MAX_LOCK_DEPTH: 48 [ 0.202833] ... MAX_LOCKDEP_KEYS: 8192 [ 0.203214] ... CLASSHASH_SIZE: 4096 [ 0.203590] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.203973] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.204355] ... CHAINHASH_SIZE: 32768 [ 0.204738] memory used by lock dependency info: 6365 kB [ 0.205206] memory used for stack traces: 4224 kB [ 0.205624] per task-struct memory footprint: 1920 bytes [ 0.206138] ACPI: Core revision 20200925 [ 0.206655] hpet: HPET dysfunctional in PC10. Force disabled. [ 0.207154] APIC: Switch to symmetric I/O mode setup [ 0.211580] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x170fff30cc4, max_idle_ns: 440795237869 ns [ 0.212495] Calibrating delay loop (skipped), value calculated using timer frequency.. 3199.92 BogoMIPS (lpj=1599960) [ 0.213399] pid_max: default: 32768 minimum: 301 [ 0.213480] LSM: Security Framework initializing [ 0.213480] SELinux: Initializing. [ 0.213480] LSM support for eBPF active [ 0.213480] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.213480] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.213480] mce: CPU0: Thermal monitoring enabled (TM1) [ 0.213480] process: using mwait in idle threads [ 0.213480] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8 [ 0.213480] Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4 [ 0.213480] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 0.213480] Spectre V2 : Mitigation: IBRS [ 0.213480] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 0.213480] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB on VMEXIT [ 0.213480] RETBleed: Mitigation: IBRS [ 0.213480] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier [ 0.213480] Spectre V2 : User space: Mitigation: STIBP via seccomp and prctl [ 0.213480] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl and seccomp [ 0.213480] MDS: Vulnerable: Clear CPU buffers attempted, no microcode [ 0.213480] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode [ 0.213480] SRBDS: Vulnerable: No microcode [ 0.213480] ------------[ cut here ]------------ [ 0.213480] missing return thunk: lkdtm_rodata_do_nothing+0x0/0x10-lkdtm_rodata_do_nothing+0x5/0x10: e9 00 00 00 00 [ 0.213480] WARNING: CPU: 0 PID: 0 at arch/x86/kernel/alternative.c:712 apply_returns+0x1f5/0x220 [ 0.213480] Modules linked in: [ 0.213480] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.10.182-cip34 #1 [ 0.213480] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 0.213480] RIP: 0010:apply_returns+0x1f5/0x220 [ 0.213480] Code: 46 02 00 0f 85 e1 fe ff ff 49 89 e8 b9 05 00 00 00 4c 89 f2 48 89 ee 48 c7 c7 88 69 0f b4 c6 05 7b eb 46 02 01 e8 82 f7 10 01 <0f> 0b e9 b9 fe ff ff 44 89 f9 c7 00 cc cc cc cc c7 44 08 fc cc cc [ 0.213480] RSP: 0000:ffffffffb4403de0 EFLAGS: 00010282 [ 0.213480] RAX: 0000000000000000 RBX: ffffffffb500b35c RCX: 0000000000000000 [ 0.213480] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffb2377c91 [ 0.213480] RBP: ffffffffb3d7ece0 R08: 0000000000000001 R09: 0000000000000001 [ 0.213480] R10: ffffffffb448fee0 R11: 3fffffffffffffff R12: ffffffffb50234ac [ 0.213480] R13: cccccccccccccccc R14: ffffffffb3d7ece5 R15: 0000000000000004 [ 0.213480] FS: 0000000000000000(0000) GS:ffff996bbac00000(0000) knlGS:0000000000000000 [ 0.213480] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 0.213480] CR2: ffff996b57801000 CR3: 0000000115e26001 CR4: 00000000003706f0 [ 0.213480] Call Trace: [ 0.213480] ? __warn+0x80/0x110 [ 0.213480] ? apply_returns+0x1f5/0x220 [ 0.213480] ? report_bug+0x9e/0xc0 [ 0.213480] ? __warn_printk+0x6c/0x8d [ 0.213480] ? handle_bug+0x41/0x90 [ 0.213480] ? exc_invalid_op+0x14/0x70 [ 0.213480] ? asm_exc_invalid_op+0x12/0x20 [ 0.213480] ? console_unlock+0x4d1/0x5f0 [ 0.213480] ? apply_returns+0x1f5/0x220 [ 0.213480] alternative_instructions+0x7d/0x143 [ 0.213480] check_bugs+0xe9f/0xefb [ 0.213480] start_kernel+0x517/0x54d [ 0.213480] secondary_startup_64_no_verify+0xc2/0xcb [ 0.213480] irq event stamp: 198801 [ 0.213480] hardirqs last enabled at (198809): [] console_unlock+0x4d1/0x5f0 [ 0.213480] hardirqs last disabled at (198816): [] console_unlock+0x444/0x5f0 [ 0.213480] softirqs last enabled at (1832): [] cgroup_idr_alloc.constprop.0+0x5b/0xe0 [ 0.213480] softirqs last disabled at (1830): [] cgroup_idr_alloc.constprop.0+0x2e/0xe0 [ 0.213480] ---[ end trace 04bede4d306f3cde ]--- [ 0.213480] Freeing SMP alternatives memory: 48K [ 0.213480] smpboot: CPU0: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz (family: 0x6, model: 0x8e, stepping: 0x9) [ 0.217521] Performance Events: PEBS fmt3+, Skylake events, 32-deep LBR, full-width counters, Intel PMU driver. [ 0.218493] ... version: 4 [ 0.219484] ... bit width: 48 [ 0.220484] ... generic registers: 4 [ 0.221485] ... value mask: 0000ffffffffffff [ 0.222484] ... max period: 00007fffffffffff [ 0.223484] ... fixed-purpose events: 3 [ 0.224484] ... event mask: 000000070000000f [ 0.227608] rcu: Hierarchical SRCU implementation. [ 0.238572] smp: Bringing up secondary CPUs ... [ 0.243513] x86: Booting SMP configuration: [ 0.244489] .... node #0, CPUs: #1 [ 0.248567] 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. [ 0.250486] 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. [ 0.254569] #2 #3 [ 0.267540] smp: Brought up 1 node, 4 CPUs [ 0.269486] smpboot: Max logical packages: 1 [ 0.270485] smpboot: Total of 4 processors activated (12799.68 BogoMIPS) [ 0.280483] devtmpfs: initialized [ 0.282597] x86/mm: Memory block size: 128MB [ 0.302528] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns [ 0.303492] futex hash table entries: 1024 (order: 5, 131072 bytes, linear) [ 0.306568] pinctrl core: initialized pinctrl subsystem [ 0.312486] PM: RTC time: 10:23:43, date: 2023-06-05 [ 0.315642] NET: Registered protocol family 16 [ 0.319620] audit: initializing netlink subsys (disabled) [ 0.320524] audit: type=2000 audit(1685960623.108:1): state=initialized audit_enabled=0 res=1 [ 0.324514] thermal_sys: Registered thermal governor 'step_wise' [ 0.325487] thermal_sys: Registered thermal governor 'user_space' [ 0.326552] cpuidle: using governor menu [ 0.329525] ACPI: bus type PCI registered [ 0.331634] PCI: MMCONFIG for domain 0000 [bus 00-3f] at [mem 0xe0000000-0xe3ffffff] (base 0xe0000000) [ 0.332488] PCI: MMCONFIG at [mem 0xe0000000-0xe3ffffff] reserved in E820 [ 0.333512] PCI: Using configuration type 1 for base access [ 0.517588] Kprobes globally optimized [ 0.521513] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 0.522486] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 0.524661] cryptomgr_test (38) used greatest stack depth: 14880 bytes left [ 0.541592] ACPI: Added _OSI(Module Device) [ 0.542486] ACPI: Added _OSI(Processor Device) [ 0.543485] ACPI: Added _OSI(3.0 _SCP Extensions) [ 0.544485] ACPI: Added _OSI(Processor Aggregator Device) [ 0.545486] ACPI: Added _OSI(Linux-Dell-Video) [ 0.546486] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 0.547486] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 0.609495] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 0.649599] ACPI: EC: EC started [ 0.650484] ACPI: EC: interrupt blocked [ 0.654607] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.655488] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC used to handle transactions [ 0.656485] ACPI: Interpreter enabled [ 0.657541] ACPI: (supports S0 S3 S4 S5) [ 0.658486] ACPI: Using IOAPIC for interrupt routing [ 0.659547] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 0.746634] ACPI: Power Resource [PRIC] (on) [ 0.944590] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 0.945493] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] [ 0.947566] acpi PNP0A08:00: _OSC: OS now controls [PME PCIeCapability LTR] [ 0.948544] acpi PNP0A08:00: [Firmware Info]: MMCONFIG for domain 0000 [bus 00-3f] only partially covers this bridge [ 0.952501] PCI host bridge to bus 0000:00 [ 0.953488] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 0.954486] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 0.955486] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 0.956486] pci_bus 0000:00: root bus resource [mem 0x000c0000-0x000c3fff window] [ 0.957486] pci_bus 0000:00: root bus resource [mem 0x000c4000-0x000c7fff window] [ 0.958486] pci_bus 0000:00: root bus resource [mem 0x000c8000-0x000cbfff window] [ 0.959486] pci_bus 0000:00: root bus resource [mem 0x000cc000-0x000cffff window] [ 0.960486] pci_bus 0000:00: root bus resource [mem 0x000d0000-0x000d3fff window] [ 0.961485] pci_bus 0000:00: root bus resource [mem 0x000d4000-0x000d7fff window] [ 0.962486] pci_bus 0000:00: root bus resource [mem 0x000d8000-0x000dbfff window] [ 0.963485] pci_bus 0000:00: root bus resource [mem 0x000dc000-0x000dffff window] [ 0.964486] pci_bus 0000:00: root bus resource [mem 0x000e0000-0x000e3fff window] [ 0.965485] pci_bus 0000:00: root bus resource [mem 0x000e4000-0x000e7fff window] [ 0.966495] pci_bus 0000:00: root bus resource [mem 0x000e8000-0x000ebfff window] [ 0.967495] pci_bus 0000:00: root bus resource [mem 0x000ec000-0x000effff window] [ 0.968511] pci_bus 0000:00: root bus resource [mem 0x000f0000-0x000fffff window] [ 0.969486] pci_bus 0000:00: root bus resource [mem 0x80000001-0xdfffffff window] [ 0.970486] pci_bus 0000:00: root bus resource [mem 0x800000000-0xbffffffff window] [ 0.971486] pci_bus 0000:00: root bus resource [mem 0xfd000000-0xfe7fffff window] [ 0.972486] pci_bus 0000:00: root bus resource [mem 0xfed40000-0xfed44fff window] [ 0.973486] pci_bus 0000:00: root bus resource [bus 00-ff] [ 0.974567] pci 0000:00:00.0: [8086:590c] type 00 class 0x060000 [ 0.980554] pci 0000:00:02.0: [8086:591c] type 00 class 0x030000 [ 0.981505] pci 0000:00:02.0: reg 0x10: [mem 0xd0000000-0xd0ffffff 64bit] [ 0.982501] pci 0000:00:02.0: reg 0x18: [mem 0xc0000000-0xcfffffff 64bit pref] [ 0.983493] pci 0000:00:02.0: reg 0x20: [io 0x1c00-0x1c3f] [ 0.987542] pci 0000:00:04.0: [8086:1903] type 00 class 0x118000 [ 0.988505] pci 0000:00:04.0: reg 0x10: [mem 0xd1120000-0xd1127fff 64bit] [ 0.992638] pci 0000:00:08.0: [8086:1911] type 00 class 0x088000 [ 0.993507] pci 0000:00:08.0: reg 0x10: [mem 0xd1130000-0xd1130fff 64bit] [ 0.997567] pci 0000:00:14.0: [8086:9d2f] type 00 class 0x0c0330 [ 0.998519] pci 0000:00:14.0: reg 0x10: [mem 0xd1100000-0xd110ffff 64bit] [ 0.999612] pci 0000:00:14.0: PME# supported from D3hot D3cold [ 1.004485] pci 0000:00:14.2: [8086:9d31] type 00 class 0x118000 [ 1.005521] pci 0000:00:14.2: reg 0x10: [mem 0xd1131000-0xd1131fff 64bit] [ 1.009581] pci 0000:00:15.0: [8086:9d60] type 00 class 0x118000 [ 1.010526] pci 0000:00:15.0: reg 0x10: [mem 0xd1132000-0xd1132fff 64bit] [ 1.015547] pci 0000:00:15.1: [8086:9d61] type 00 class 0x118000 [ 1.016526] pci 0000:00:15.1: reg 0x10: [mem 0xd1133000-0xd1133fff 64bit] [ 1.021579] pci 0000:00:19.0: [8086:9d66] type 00 class 0x118000 [ 1.022526] pci 0000:00:19.0: reg 0x10: [mem 0xfe034000-0xfe034fff 64bit] [ 1.023513] pci 0000:00:19.0: reg 0x18: [mem 0xd1135000-0xd1135fff 64bit] [ 1.028505] pci 0000:00:19.1: [8086:9d65] type 00 class 0x118000 [ 1.029526] pci 0000:00:19.1: reg 0x10: [mem 0xd1136000-0xd1136fff 64bit] [ 1.034568] pci 0000:00:1c.0: [8086:9d10] type 01 class 0x060400 [ 1.036504] pci 0000:00:1c.0: PME# supported from D0 D3hot D3cold [ 1.041504] pci 0000:00:1e.0: [8086:9d27] type 00 class 0x118000 [ 1.042526] pci 0000:00:1e.0: reg 0x10: [mem 0xd1137000-0xd1137fff 64bit] [ 1.047551] pci 0000:00:1e.2: [8086:9d29] type 00 class 0x118000 [ 1.048532] pci 0000:00:1e.2: reg 0x10: [mem 0xd1138000-0xd1138fff 64bit] [ 1.053541] pci 0000:00:1e.4: [8086:9d2b] type 00 class 0x080501 [ 1.054520] pci 0000:00:1e.4: reg 0x10: [mem 0xd1139000-0xd1139fff 64bit] [ 1.059604] pci 0000:00:1e.6: [8086:9d2d] type 00 class 0x080501 [ 1.060522] pci 0000:00:1e.6: reg 0x10: [mem 0xd113a000-0xd113afff 64bit] [ 1.065506] pci 0000:00:1f.0: [8086:9d4b] type 00 class 0x060100 [ 1.070498] pci 0000:00:1f.2: [8086:9d21] type 00 class 0x058000 [ 1.071512] pci 0000:00:1f.2: reg 0x10: [mem 0xd1128000-0xd112bfff] [ 1.076493] pci 0000:00:1f.3: [8086:9d71] type 00 class 0x040100 [ 1.077524] pci 0000:00:1f.3: reg 0x10: [mem 0xd112c000-0xd112ffff 64bit] [ 1.078538] pci 0000:00:1f.3: reg 0x20: [mem 0xd1110000-0xd111ffff 64bit] [ 1.079579] pci 0000:00:1f.3: PME# supported from D3hot D3cold [ 1.083639] pci 0000:00:1f.4: [8086:9d23] type 00 class 0x0c0500 [ 1.084551] pci 0000:00:1f.4: reg 0x10: [mem 0xd113c000-0xd113c0ff 64bit] [ 1.085561] pci 0000:00:1f.4: reg 0x20: [io 0xefa0-0xefbf] [ 1.089613] pci 0000:00:1f.5: [8086:9d24] type 00 class 0x000000 [ 1.090516] pci 0000:00:1f.5: reg 0x10: [mem 0xfe010000-0xfe010fff] [ 1.099484] pci 0000:01:00.0: [8086:095a] type 00 class 0x028000 [ 1.103641] pci 0000:01:00.0: reg 0x10: [mem 0xd1000000-0xd1001fff 64bit] [ 1.126640] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold [ 1.145506] pci 0000:00:1c.0: PCI bridge to [bus 01] [ 1.146501] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] [ 1.154501] ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 10 12 14 15) *11 [ 1.156556] ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 *10 12 14 15) [ 1.158558] ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 6 10 12 14 15) *11 [ 1.160550] ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 10 12 14 15) *11 [ 1.162557] ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 6 10 12 14 15) *11 [ 1.164550] ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 6 10 12 14 15) *11 [ 1.166549] ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 5 6 10 12 14 15) *11 [ 1.168548] ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 6 10 12 14 15) *11 [ 1.200522] ACPI: EC: interrupt unblocked [ 1.201484] ACPI: EC: event unblocked [ 1.202485] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 1.203485] ACPI: EC: GPE=0x6e [ 1.204488] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC initialization complete [ 1.205487] ACPI: \_SB_.PCI0.LPCB.EC0_: EC: Used to handle transactions and events [ 1.208529] iommu: Default domain type: Translated [ 1.211532] pci 0000:00:02.0: vgaarb: setting as boot VGA device [ 1.212071] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 1.212499] pci 0000:00:02.0: vgaarb: bridge control possible [ 1.213485] vgaarb: loaded [ 1.216627] SCSI subsystem initialized [ 1.218597] ACPI: bus type USB registered [ 1.219589] usbcore: registered new interface driver usbfs [ 1.220533] usbcore: registered new interface driver hub [ 1.221516] usbcore: registered new device driver usb [ 1.222580] mc: Linux media interface: v0.10 [ 1.223508] videodev: Linux video capture interface: v2.00 [ 1.224512] pps_core: LinuxPPS API ver. 1 registered [ 1.225484] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 1.226493] PTP clock support registered [ 1.229608] Advanced Linux Sound Architecture Driver Initialized. [ 1.235521] NetLabel: Initializing [ 1.236489] NetLabel: domain hash size = 128 [ 1.237487] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 1.238552] NetLabel: unlabeled traffic allowed by default [ 1.240530] PCI: Using ACPI for IRQ routing [ 1.288629] clocksource: Switched to clocksource tsc-early [ 1.603384] VFS: Disk quotas dquot_6.6.0 [ 1.603786] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 1.604721] pnp: PnP ACPI init [ 1.605591] system 00:00: [mem 0xfed10000-0xfed17fff] has been reserved [ 1.606184] system 00:00: [mem 0xfed18000-0xfed18fff] has been reserved [ 1.606770] system 00:00: [mem 0xfed19000-0xfed19fff] has been reserved [ 1.607344] system 00:00: [mem 0xe0000000-0xe3ffffff] has been reserved [ 1.607925] system 00:00: [mem 0xfed20000-0xfed3ffff] has been reserved [ 1.608500] system 00:00: [mem 0xfed90000-0xfed93fff] could not be reserved [ 1.609111] system 00:00: [mem 0xfed45000-0xfed8ffff] could not be reserved [ 1.609724] system 00:00: [mem 0xff000000-0xffffffff] has been reserved [ 1.610298] system 00:00: [mem 0xfee00000-0xfeefffff] has been reserved [ 1.610880] system 00:00: [mem 0xfed00000-0xfed003ff] has been reserved [ 1.612158] system 00:01: [io 0x1800-0x18fe] has been reserved [ 1.612968] system 00:03: [io 0x0900-0x09fe] has been reserved [ 1.613677] system 00:04: [io 0x0200] has been reserved [ 1.614143] system 00:04: [io 0x0204] has been reserved [ 1.614605] system 00:04: [io 0x0800-0x087f] has been reserved [ 1.615135] system 00:04: [io 0x0880-0x08ff] has been reserved [ 1.617851] pnp: PnP ACPI: found 6 devices [ 1.629744] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 1.630602] NET: Registered protocol family 2 [ 1.631123] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear) [ 1.633214] tcp_listen_portaddr_hash hash table entries: 2048 (order: 5, 163840 bytes, linear) [ 1.634150] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear) [ 1.635000] TCP bind hash table entries: 32768 (order: 9, 2359296 bytes, linear) [ 1.637195] TCP: Hash tables configured (established 32768 bind 32768) [ 1.638015] MPTCP token hash table entries: 4096 (order: 6, 360448 bytes, linear) [ 1.638895] UDP hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 1.639705] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 1.640656] NET: Registered protocol family 1 [ 1.641572] RPC: Registered named UNIX socket transport module. [ 1.642122] RPC: Registered udp transport module. [ 1.642535] RPC: Registered tcp transport module. [ 1.642955] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 1.643978] NET: Registered protocol family 44 [ 1.644387] pci 0000:00:1c.0: PCI bridge to [bus 01] [ 1.644853] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] [ 1.645448] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 1.645990] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 1.646525] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 1.647173] pci_bus 0000:00: resource 7 [mem 0x000c0000-0x000c3fff window] [ 1.647777] pci_bus 0000:00: resource 8 [mem 0x000c4000-0x000c7fff window] [ 1.648371] pci_bus 0000:00: resource 9 [mem 0x000c8000-0x000cbfff window] [ 1.648971] pci_bus 0000:00: resource 10 [mem 0x000cc000-0x000cffff window] [ 1.649573] pci_bus 0000:00: resource 11 [mem 0x000d0000-0x000d3fff window] [ 1.650180] pci_bus 0000:00: resource 12 [mem 0x000d4000-0x000d7fff window] [ 1.650790] pci_bus 0000:00: resource 13 [mem 0x000d8000-0x000dbfff window] [ 1.651392] pci_bus 0000:00: resource 14 [mem 0x000dc000-0x000dffff window] [ 1.651999] pci_bus 0000:00: resource 15 [mem 0x000e0000-0x000e3fff window] [ 1.652601] pci_bus 0000:00: resource 16 [mem 0x000e4000-0x000e7fff window] [ 1.653208] pci_bus 0000:00: resource 17 [mem 0x000e8000-0x000ebfff window] [ 1.653851] pci_bus 0000:00: resource 18 [mem 0x000ec000-0x000effff window] [ 1.654451] pci_bus 0000:00: resource 19 [mem 0x000f0000-0x000fffff window] [ 1.655059] pci_bus 0000:00: resource 20 [mem 0x80000001-0xdfffffff window] [ 1.655669] pci_bus 0000:00: resource 21 [mem 0x800000000-0xbffffffff window] [ 1.656285] pci_bus 0000:00: resource 22 [mem 0xfd000000-0xfe7fffff window] [ 1.656892] pci_bus 0000:00: resource 23 [mem 0xfed40000-0xfed44fff window] [ 1.657493] pci_bus 0000:01: resource 1 [mem 0xd1000000-0xd10fffff] [ 1.658387] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 1.660632] PCI: CLS 64 bytes, default 64 [ 1.661284] Unpacking initramfs... [ 1.975941] Freeing initrd memory: 10388K [ 1.976358] DMAR: Host address width 39 [ 1.976766] DMAR: DRHD base: 0x000000fed90000 flags: 0x0 [ 1.977282] DMAR: dmar0: reg_base_addr fed90000 ver 1:0 cap 1c0000c40660462 ecap 19e2ff0505e [ 1.978014] DMAR: RMRR base: 0x0000007b800000 end: 0x0000007fffffff [ 1.978556] DMAR: DRHD base: 0x000000fed91000 flags: 0x1 [ 1.979039] DMAR: dmar1: reg_base_addr fed91000 ver 1:0 cap d2008c40660462 ecap f050da [ 1.979804] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 1.980361] software IO TLB: mapped [mem 0x0000000076998000-0x000000007a998000] (64MB) [ 1.981217] RAPL PMU: API unit is 2^-32 Joules, 5 fixed counters, 655360 ms ovfl timer [ 1.981915] RAPL PMU: hw unit of domain pp0-core 2^-14 Joules [ 1.982414] RAPL PMU: hw unit of domain package 2^-14 Joules [ 1.982928] RAPL PMU: hw unit of domain dram 2^-14 Joules [ 1.983397] RAPL PMU: hw unit of domain pp1-gpu 2^-14 Joules [ 1.983893] RAPL PMU: hw unit of domain psys 2^-14 Joules [ 1.985697] kvm: already loaded the other module [ 1.987959] check: Scanning for low memory corruption every 60 seconds [ 1.990873] Initialise system trusted keyrings [ 1.991453] workingset: timestamp_bits=56 max_order=20 bucket_order=0 [ 2.006335] NFS: Registering the id_resolver key type [ 2.006831] Key type id_resolver registered [ 2.007221] Key type id_legacy registered [ 2.022680] Key type asymmetric registered [ 2.023068] Asymmetric key parser 'x509' registered [ 2.023532] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 248) [ 2.024197] io scheduler mq-deadline registered [ 2.024597] io scheduler kyber registered [ 2.025122] test_firmware: interface ready [ 2.026623] pcieport 0000:00:1c.0: PME: Signaling with IRQ 120 [ 2.028145] ACPI: AC Adapter [AC] (on-line) [ 2.028815] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/PNP0C0D:00/input/input0 [ 2.030378] ACPI: Lid Switch [LID0] [ 2.030891] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input1 [ 2.031730] ACPI: Power Button [PWRF] [ 2.032400] ACPI: \_PR_.CP00: Found 3 idle states [ 2.033374] ACPI: \_PR_.CP01: Found 3 idle states [ 2.034228] ACPI: \_PR_.CP02: Found 3 idle states [ 2.035076] ACPI: \_PR_.CP03: Found 3 idle states [ 2.036354] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 2.039761] hpet_acpi_add: no address or irqs in _CRS [ 2.040162] battery: ACPI: Battery Slot [BAT0] (battery present) [ 2.040453] Non-volatile memory driver v1.3 [ 2.041337] Linux agpgart interface v0.103 [ 2.042103] [drm] amdgpu kernel modesetting enabled. [ 2.044536] i915 0000:00:02.0: vgaarb: deactivate vga console [ 2.096911] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem [ 2.098613] i915 0000:00:02.0: [drm] Finished loading DMC firmware i915/kbl_dmc_ver1_04.bin (v1.4) [ 2.125195] [drm] Initialized i915 1.6.0 20200917 for 0000:00:02.0 on minor 0 [ 2.128404] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 1 [ 2.142964] loop: module loaded [ 2.143936] lkdtm: No crash points registered, enable through debugfs [ 2.163165] printk: console [ttyS0] disabled [ 2.163818] dw-apb-uart.2: ttyS0 at MMIO 0xfe034000 (irq = 32, base_baud = 115200) is a 16550A [ 2.995752] tsc: Refined TSC clocksource calibration: 1607.999 MHz [ 2.999140] printk: console [ttyS0] enabled [ 3.002666] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x172da94f0e2, max_idle_ns: 440795278248 ns [ 3.043748] dw-apb-uart.4: ttyS1 at MMIO 0xd1137000 (irq = 20, base_baud = 115200) is a 16550A [ 5.637178] clocksource: Switched to clocksource tsc [ 5.637348] fbcon: i915drmfb (fb0) is primary device [ 5.639097] pxa2xx-spi pxa2xx-spi.5: no DMA channels available, using PIO [ 5.645614] e100: Intel(R) PRO/100 Network Driver [ 5.645617] e100: Copyright(c) 1999-2006 Intel Corporation [ 5.645692] e1000: Intel(R) PRO/1000 Network Driver [ 5.645694] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 5.645761] e1000e: Intel(R) PRO/1000 Network Driver [ 5.645763] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 5.645834] sky2: driver version 1.30 [ 5.646118] usbcore: registered new interface driver r8152 [ 5.646581] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 5.646603] ehci-pci: EHCI PCI platform driver [ 5.646692] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 5.646708] ohci-pci: OHCI PCI platform driver [ 5.646759] uhci_hcd: USB Universal Host Controller Interface driver [ 5.647631] xhci_hcd 0000:00:14.0: xHCI Host Controller [ 5.648522] tpm_tis_spi spi-PRP0001:00: TPM ready IRQ confirmed on attempt 2 [ 5.648860] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 1 [ 5.650342] xhci_hcd 0000:00:14.0: hcc params 0x200077c1 hci version 0x100 quirks 0x0000000081109810 [ 5.650400] xhci_hcd 0000:00:14.0: cache line size of 64 is not supported [ 5.653013] xhci_hcd 0000:00:14.0: xHCI Host Controller [ 5.653772] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 2 [ 5.653785] xhci_hcd 0000:00:14.0: Host supports USB 3.0 SuperSpeed [ 5.654480] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10 [ 5.654505] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 5.654510] usb usb1: Product: xHCI Host Controller [ 5.654513] usb usb1: Manufacturer: Linux 5.10.182-cip34 xhci-hcd [ 5.654516] usb usb1: SerialNumber: 0000:00:14.0 [ 5.656668] hub 1-0:1.0: USB hub found [ 5.656860] hub 1-0:1.0: 12 ports detected [ 5.661511] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.10 [ 5.661515] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 5.661518] usb usb2: Product: xHCI Host Controller [ 5.661521] usb usb2: Manufacturer: Linux 5.10.182-cip34 xhci-hcd [ 5.661523] usb usb2: SerialNumber: 0000:00:14.0 [ 5.662167] hub 2-0:1.0: USB hub found [ 5.662213] hub 2-0:1.0: 6 ports detected [ 5.663812] usbcore: registered new interface driver usblp [ 5.663905] usbcore: registered new interface driver usb-storage [ 5.664525] udc-core: couldn't find an available UDC - added [g_ether] to list of pending drivers [ 5.664713] i8042: PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1 [ 5.664716] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp [ 5.665559] i8042: Warning: Keylock active [ 5.665900] serio: i8042 KBD port at 0x60,0x64 irq 1 [ 5.668495] rtc_cmos 00:02: RTC can wake from S4 [ 5.670882] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input2 [ 5.671532] tpm_tis_spi spi-PRP0001:00: 2.0 TPM (device-id 0x28, rev-id 0) [ 5.672334] rtc_cmos 00:02: registered as rtc0 [ 5.672621] rtc_cmos 00:02: alarms up to one month, 242 bytes nvram [ 5.673558] i801_smbus 0000:00:1f.4: SPD Write Disable is set [ 5.673601] i801_smbus 0000:00:1f.4: SMBus using PCI interrupt [ 5.674510] i2c i2c-9: 2/2 memory slots populated (from DMI) [ 5.676209] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com [ 5.676253] intel_pstate: Intel P-state driver initializing [ 5.676838] Console: switching to colour frame buffer device 240x67 [ 5.677100] intel_pstate: HWP enabled [ 5.677137] sdhci: Secure Digital Host Controller Interface driver [ 5.677138] sdhci: Copyright(c) Pierre Ossman [ 5.677170] sdhci-pci 0000:00:1e.4: SDHCI controller found [8086:9d2b] (rev 21) [ 5.678168] mmc0: SDHCI controller on PCI [0000:00:1e.4] using ADMA 64-bit [ 5.678318] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.679376] hid: raw HID events driver (C) Jiri Kosina [ 5.679833] usbcore: registered new interface driver usbhid [ 5.679835] usbhid: USB HID core driver [ 5.680340] input: Tablet Mode Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/GOOG0006:00/input/input3 [ 5.684930] cros_ec_lpcs GOOG0004:00: Chrome EC device registered [ 5.685602] snd_hda_intel 0000:00:1f.3: DSP detected with PCI class/subclass/prog-if info 0x040100 [ 5.686352] snd_hda_intel 0000:00:1f.3: bound 0000:00:02.0 (ops i915_audio_component_bind_ops) [ 5.686715] ipip: IPv4 and MPLS over IPv4 tunneling driver [ 5.687028] IPv4 over IPsec tunneling driver [ 5.687304] Initializing XFRM netlink socket [ 5.687863] NET: Registered protocol family 10 [ 5.688839] Segment Routing with IPv6 [ 5.689733] NET: Registered protocol family 17 [ 5.689840] Key type dns_resolver registered [ 5.691592] microcode: sig=0x806e9, pf=0x10, revision=0x98 [ 5.697010] i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device [ 5.702614] microcode: Microcode Update Driver: v2.2. [ 5.775246] 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 [ 5.780011] IPI shorthand broadcast: enabled [ 5.906699] usb 1-3: new full-speed USB device number 2 using xhci_hcd [ 5.909012] sched_clock: Marking stable (5822282368, 86640587)->(5168018926, 740904029) [ 5.915827] snd_hda_intel 0000:00:1f.3: Cannot probe codecs, giving up [ 5.935376] registered taskstats version 1 [ 6.034614] mmc0: new HS400 MMC card at address 0001 [ 6.034769] Loading compiled-in X.509 certificates [ 6.041763] mmcblk0: mmc0:0001 DA4064 58.2 GiB [ 6.052277] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.057027] mmcblk0boot0: mmc0:0001 DA4064 partition 1 4.00 MiB [ 6.065444] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.068226] mmcblk0boot1: mmc0:0001 DA4064 partition 2 4.00 MiB [ 6.076176] PM: Magic number: 11:257:375 [ 6.080147] mmcblk0rpmb: mmc0:0001 DA4064 partition 3 16.0 MiB, chardev (245:0) [ 6.088170] usb 1-3: New USB device found, idVendor=8087, idProduct=0a2a, bcdDevice= 0.03 [ 6.105068] mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12 [ 6.109795] usb 1-3: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 6.171002] usb 2-3: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 6.180216] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.284015] usb 2-3: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=31.00 [ 6.292040] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.298740] usb 2-3: New USB device strings: Mfr=1, Product=2, SerialNumber=6 [ 6.298742] usb 2-3: Product: USB 10/100/1000 LAN [ 6.298743] usb 2-3: Manufacturer: Realtek [ 6.298745] usb 2-3: SerialNumber: 001000001 [ 6.352701] usb 1-9: new high-speed USB device number 3 using xhci_hcd [ 6.358927] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.413433] printk: console [netcon0] enabled [ 6.418304] netconsole: network logging started [ 6.543306] usb 1-9: New USB device found, idVendor=13d3, idProduct=56d4, bcdDevice=18.07 [ 6.552493] usb 1-9: New USB device strings: Mfr=3, Product=1, SerialNumber=2 [ 6.560490] usb 1-9: Product: USB2.0 HD UVC WebCam [ 6.565862] usb 1-9: Manufacturer: Azurewave [ 6.570652] usb 1-9: SerialNumber: 0x0001 [ 6.583034] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.627983] usb 2-3: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 6.680102] r8152 2-3:1.0: load rtl8153b-2 v2 04/27/23 successfully [ 6.720249] r8152 2-3:1.0 eth0: v1.11.11 [ 6.725159] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 8.328076] r8152 2-3:1.0 eth0: carrier on [ 8.332785] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready [ 8.341721] Sending DHCP requests .., OK [ 10.781267] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.12 [ 10.790290] IP-Config: Complete: [ 10.793917] device=eth0, hwaddr=00:e0:4c:78:7f:da, ipaddr=192.168.201.12, mask=255.255.255.0, gw=192.168.201.1 [ 10.805602] host=asus-c433ta-aj0005-rammus-cbg-3, domain=lava-rack, nis-domain=(none) [ 10.814853] bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath= [ 10.814855] nameserver0=192.168.201.1 [ 10.827683] cfg80211: Loading compiled-in X.509 certificates for regulatory database [ 10.839226] modprobe (101) used greatest stack depth: 14120 bytes left [ 10.842136] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' [ 10.854069] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 [ 10.854767] ALSA device list: [ 10.863766] cfg80211: failed to load regulatory.db [ 10.867054] No soundcards found. [ 10.876602] dw-apb-uart dw-apb-uart.2: forbid DMA for kernel console [ 10.886040] Freeing unused kernel image (initmem) memory: 2148K [ 10.901916] Write protecting the kernel read-only data: 34816k [ 10.909400] Freeing unused kernel image (text/rodata gap) memory: 2028K [ 10.917151] Freeing unused kernel image (rodata/data gap) memory: 860K [ 10.924524] Run /init as init process Loading, please wait... Starting version 247.3-7+deb11u2 [ 10.944441] systemd-udevd (123) used greatest stack depth: 13952 bytes left [ 10.992931] udevadm (125) used greatest stack depth: 13752 bytes left [ 11.112148] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 11.121181] chromeos ramoops using acpi device. [ 11.127023] cros-usbpd-notify-acpi GOOG0003:00: Couldn't get Chrome EC device pointer. [ 11.136568] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 11.166337] i2c_hid i2c-PNP0C50:00: supply vdd not found, using dummy regulator [ 11.175106] i2c_hid i2c-PNP0C50:00: supply vddl not found, using dummy regulator [ 11.177036] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 11.203739] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 11.212046] Registered efivars operations [ 11.216624] gsmi version 1.0 loaded [ 11.351361] input: PNP0C50:00 0457:157E Touchscreen as /devices/pci0000:00/0000:00:15.0/i2c_designware.0/i2c-6/i2c-PNP0C50:00/0018:0457:157E.0001/input/input4 [ 11.369514] hid-generic 0018:0457:157E.0001: input,hidraw0: I2C HID v1.00 Device [PNP0C50:00 0457:157E] on i2c-PNP0C50:00 [ 11.382158] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 11.393998] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 11.412592] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 11.425605] uvcvideo: Found UVC 1.00 device USB2.0 HD UVC WebCam (13d3:56d4) [ 11.428051] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 11.438095] da7219 i2c-DLGS7219:00: Using default DAI clk names: da7219-dai-wclk, da7219-dai-bclk [ 11.441704] input: USB2.0 HD UVC WebCam: USB2.0 HD as /devices/pci0000:00/0000:00:14.0/usb1/1-9/1-9:1.0/input/input6 [ 11.451792] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 11.463833] usbcore: registered new interface driver uvcvideo [ 11.474503] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 11.478084] USB Video Class driver (1.1.1) [ 11.504589] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 11.516995] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 11.526670] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 11.546446] udevadm (137) used greatest stack depth: 13400 bytes left Begin: Loading essential drivers ... done. Begin: Running /scripts/init-premount ... done. Begin: Mounting root file system ... Begin: Running /scripts/nfs-top ... done. Begin: Running /scripts/nfs-premount ... Waiting up to 60 secs for any ethernet to become available Device /sys/class/net/eth0 found done. IP-Config: eth0 hardware address 00:e0:4c:78:7f:da mtu 1500 DHCP IP-Config: eth0 complete (dhcp from 192.168.201.1): address: 192.168.201.12 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 [ 11.622182] nfsmount (173) used greatest stack depth: 12688 bytes left rootserver: 192.168.201.1 rootpath: filename : 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 [ 12.832838] systemd[1]: systemd 247.3-7+deb11u2 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) [ 12.870930] systemd[1]: Detected architecture x86-64. Welcome to Debian GNU/Linux 11 (bullseye)! [ 12.902283] systemd[1]: Set hostname to . [ 13.317948] systemd[1]: Queued start job for default target Graphical Interface. [ 13.329171] systemd[1]: Created slice system-getty.slice. [ OK ] Created slice system-getty.slice. [ 13.345288] systemd[1]: Created slice system-modprobe.slice. [ OK ] Created slice system-modprobe.slice. [ 13.361341] systemd[1]: Created slice system-serial\x2dgetty.slice. [ OK ] Created slice system-serial\x2dgetty.slice. [ 13.378408] systemd[1]: Created slice User and Session Slice. [ OK ] Created slice User and Session Slice. [ 13.394189] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [ OK ] Started Dispatch Password …ts to Console Directory Watch. [ 13.413590] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [ OK ] Started Forward Password R…uests to Wall Directory Watch. [ 13.434129] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point. [ OK ] Set up automount Arbitrary…s File System Automount Point. [ 13.457229] systemd[1]: Reached target Local Encrypted Volumes. [ OK ] Reached target Local Encrypted Volumes. [ 13.474247] systemd[1]: Reached target Paths. [ OK ] Reached target Paths. [ 13.488142] systemd[1]: Reached target Remote File Systems. [ OK ] Reached target Remote File Systems. [ 13.504131] systemd[1]: Reached target Slices. [ OK ] Reached target Slices. [ 13.518163] systemd[1]: Reached target Swap. [ OK ] Reached target Swap. [ 13.529833] systemd[1]: Listening on initctl Compatibility Named Pipe. [ OK ] Listening on initctl Compatibility Named Pipe. [ 13.549346] systemd[1]: Listening on Journal Audit Socket. [ OK ] Listening on Journal Audit Socket. [ 13.567100] systemd[1]: Listening on Journal Socket (/dev/log). [ OK ] Listening on Journal Socket (/dev/log). [ 13.584163] systemd[1]: Listening on Journal Socket. [ OK ] Listening on Journal Socket. [ 13.600960] systemd[1]: Listening on Network Service Netlink Socket. [ OK ] Listening on Network Service Netlink Socket. [ 13.621889] systemd[1]: Listening on udev Control Socket. [ OK ] Listening on udev Control Socket. [ 13.638990] systemd[1]: Listening on udev Kernel Socket. [ OK ] Listening on udev Kernel Socket. [ 13.659386] systemd[1]: Mounting Huge Pages File System... Mounting Huge Pages File System... [ 13.676250] systemd[1]: Mounting POSIX Message Queue File System... Mounting POSIX Message Queue File System... [ 13.695116] systemd[1]: Mounting Kernel Debug File System... Mounting Kernel Debug File System... [ 13.711812] systemd[1]: Mounting Kernel Trace File System... Mounting Kernel Trace File System... [ 13.731289] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting Create list of st…odes for the current kernel... [ 13.752101] systemd[1]: Starting Load Kernel Module configfs... Starting Load Kernel Module configfs... [ 13.767181] systemd[1]: Starting Load Kernel Module drm... Starting Load Kernel Module drm... [ 13.781444] systemd[1]: Starting Load Kernel Module fuse... Starting Load Kernel Module fuse... [ 13.821835] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. [ 13.832225] fuse: init (API version 7.32) [ 13.838082] systemd[1]: Starting Journal Service... Starting Journal Service... [ 13.856089] systemd[1]: Starting Load Kernel Modules... Starting Load Kernel Modules... [ 13.870057] systemd[1]: Starting Remount Root and Kernel File Systems... Starting Remount Root and Kernel File Systems... [ 13.889238] systemd[1]: Starting Coldplug All udev Devices... Starting Coldplug All udev Devices... [ 13.905913] systemd[1]: Mounted Huge Pages File System. [ OK ] Mounted Huge Pages File System. [ 13.921185] systemd[1]: Mounted POSIX Message Queue File System. [ OK ] Mounted POSIX Message Queue File System. [ 13.937017] systemd[1]: Mounted Kernel Debug File System. [ OK ] Mounted Kernel Debug File System. [ 13.951963] systemd[1]: Mounted Kernel Trace File System. [ OK ] Mounted Kernel Trace File System. [ 13.967819] systemd[1]: Finished Create list of static device nodes for the current kernel. [ OK ] Finished Create list of st… nodes for the current kernel. [ 13.990465] systemd[1]: modprobe@configfs.service: Succeeded. [ 13.997390] systemd[1]: Finished Load Kernel Module configfs. [ OK ] Finished Load Kernel Module configfs. [ 14.013401] systemd[1]: modprobe@drm.service: Succeeded. [ 14.019818] systemd[1]: Finished Load Kernel Module drm. [ OK ] Finished Load Kernel Module drm. [ 14.035405] systemd[1]: modprobe@fuse.service: Succeeded. [ 14.042150] systemd[1]: Finished Load Kernel Module fuse. [ OK ] Finished Load Kernel Module fuse. [ 14.058265] systemd[1]: Started Journal Service. [ OK ] Started Journal Service. [ OK ] Finished Load Kernel Modules. [ OK ] Finished Remount Root and Kernel File Systems. Mounting FUSE Control File System... Mounting Kernel Configuration File System... Starting Flush Journal to Persistent Storage... Starting Load/Save Random Seed... Starting Apply Kernel Variables... Starting Create System Users... [ OK ] Mounted FUSE Control File System[0[ 14.157589] systemd-journald[207]: Received client request to flush runtime journal. m. [ OK ] Mounted Kernel Configuration File System. [ OK ] Finished Load/Save Random Seed. [ OK ] Finished Apply Kernel Variables. [ OK ] Finished Coldplug All udev Devices. [ OK ] Finished Create System Users. Starting Create Static Device Nodes in /dev... [ OK ] Finished Flush Journal to Persistent Storage. [ 15.660906] systemd-tmpfile (219) used greatest stack depth: 12528 bytes left [ OK ] Finished Create Static Device Nodes in /dev. [ OK ] Reached target Local File Systems (Pre). [ OK ] Reached target Local File Systems. Starting Create Volatile Files and Directories... Starting Rule-based Manage…for Device Events and Files... [ OK ] Started Rule-based Manager for Device Events and Files. Starting Network Service... [ OK ] Finished Create Volatile Files and Directories. Starting Network Time Synchronization... Starting Update UTMP about System Boot/Shutdown... [ OK ] Found device Sunrise Point-LP Serial IO UART Controller. [ OK ] Finished Update UTMP about System Boot/Shutdown. [ OK ] Created slice system-systemd\x2dbacklight.slice. [ OK ] Listening on Load/Save RF …itch Status /dev/rfkill Watch. Starting Load/Save Screen …f backlight:intel_backlight... Starting Load/Save Screen …eds:chromeos::kbd_backlight... [ OK ] Started Network Service. Starting Network Name Resolution... [ OK ] Started Network Time Synchronization. [ OK ] Finished Load/Save Screen … of backlight:intel_backlight. [ OK ] Finished Load/Save Screen … leds:chromeos::kbd_backlight. [ OK ] Reached target System Initialization. [ OK ] Started Daily Cleanup of Temporary Directories. [ OK ] Reached target System Time Set. [ OK ] Reached target System Time Synchronized. [ OK ] Started Daily apt download activities. [ OK ] Started Daily apt upgrade and clean activities. [ OK ] Started Periodic ext4 Onli…ata Check for All Filesystems. [ OK ] Started Discard unused blocks once a week. [ OK ] Reached target Timers. [ OK ] Listening on D-Bus System Message Bus Socket. [ OK ] Reached target Sockets. [ OK ] Reached target Basic System. [ OK ] Started D-Bus System Message Bus. Starting Remove Stale Onli…t4 Metadata Check Snapshots... Starting User Login Management... [ OK ] Finished Remove Stale Onli…ext4 Metadata Check Snapshots. [ OK ] Started Network Name Resolution. [ OK ] Reached target Network. [ OK ] Reached target Host and Network Name Lookups. Starting Permit User Sessions... [ OK ] Started User Login Management. [ OK ] Finished Permit User Sessions. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttyS0. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Finished Update UTMP about System Runlevel Changes. Debian GNU/Linux 11 debian-bullseye-amd64 ttyS0 debian-bullseye-amd64 login: root (automatic login) Linux debian-bullseye-amd64 5.10.182-cip34 #1 SMP Mon Jun 5 10:09:22 UTC 2023 x86_64 The programs included with the Debian GNU/Linux system are free software; the exact distribution terms for each program are described in the individual files in /usr/share/doc/*/copyright. Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent permitted by applicable law. / # / # export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/10590700/extract-nfsrootfs-2mh_qp5m' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/10590700/extract-nfsrootfs-2mh_qp5m' / # 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-10590700/environment . /lava-10590700/environment / # /lava-10590700/bin/lava-test-runner /lava-10590700/0 /lava-10590700/bin/lava-test-runner /lava-10590700/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-10590700/0/tests/0_timesync-off ++ cat uuid + UUID=10590700_1.5.2.3.1 + set +x + systemctl stop systemd-timesyncd + set +x + export TESTRUN_ID=1_kselftest-lkdtm + TESTRUN_ID=1_kselftest-lkdtm + cd /lava-10590700/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=10590700_1.5.2.3.5 + set +x + cd ./automated/linux/kselftest/ + ./kselftest.sh -c lkdtm -T '' -t kselftest_armhf.tar.gz -s True -u http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.180-cip34-236-g6d219c607dc68/x86_64/x86_64_defconfig+x86-chromebook+kselftest/gcc-10/kselftest.tar.xz -L '' -S /dev/null -b asus-C433TA-AJ0005-rammus -g cip-gitlab -e '' -p /opt/kselftests/mainline/ -n 1 -i 1 INFO: install_deps skipped --2023-06-05 10:24:03-- http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.180-cip34-236-g6d219c607dc68/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: 3595988 (3.4M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 1%[ ] 50.15K 174KB/s kselftest.tar.xz 6%[> ] 217.50K 377KB/s kselftest.tar.xz 23%[===> ] 819.89K 773KB/s kselftest.tar.xz 69%[============> ] 2.38M 1.75MB/s kselftest.tar.xz 98%[==================> ] 3.37M 2.12MB/s kselftest.tar.xz 100%[===================>] 3.43M 2.14MB/s in 1.6s 2023-06-05 10:24:06 (2.14 MB/s) - 'kselftest.tar.xz' saved [3595988/3595988] skiplist: ======================================== ======================================== lkdtm:PANIC.sh lkdtm:BUG.sh lkdtm:WARNING.sh lkdtm:WARNING_MESSAGE.sh lkdtm:EXCEPTION.sh lkdtm:LOOP.sh lkdtm:EXHAUST_STACK.sh lkdtm:CORRUPT_STACK.sh lkdtm:CORRUPT_STACK_STRONG.sh lkdtm:CORRUPT_LIST_ADD.sh lkdtm:CORRUPT_LIST_DEL.sh lkdtm:STACK_GUARD_PAGE_LEADING.sh lkdtm:STACK_GUARD_PAGE_TRAILING.sh lkdtm:UNSET_SMEP.sh lkdtm:DOUBLE_FAULT.sh lkdtm:CORRUPT_PAC.sh lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh lkdtm:OVERWRITE_ALLOCATION.sh lkdtm:WRITE_AFTER_FREE.sh lkdtm:READ_AFTER_FREE.sh lkdtm:WRITE_BUDDY_AFTER_FREE.sh lkdtm:READ_BUDDY_AFTER_FREE.sh lkdtm:SLAB_FREE_DOUBLE.sh lkdtm:SLAB_FREE_CROSS.sh lkdtm:SLAB_FREE_PAGE.sh lkdtm:SOFTLOCKUP.sh lkdtm:HARDLOCKUP.sh lkdtm:SPINLOCKUP.sh lkdtm:HUNG_TASK.sh lkdtm:EXEC_DATA.sh lkdtm:EXEC_STACK.sh lkdtm:EXEC_KMALLOC.sh lkdtm:EXEC_VMALLOC.sh lkdtm:EXEC_RODATA.sh lkdtm:EXEC_USERSPACE.sh lkdtm:EXEC_NULL.sh lkdtm:ACCESS_USERSPACE.sh lkdtm:ACCESS_NULL.sh lkdtm:WRITE_RO.sh lkdtm:WRITE_RO_AFTER_INIT.sh lkdtm:WRITE_KERN.sh lkdtm:REFCOUNT_INC_OVERFLOW.sh lkdtm:REFCOUNT_ADD_OVERFLOW.sh lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_DEC_ZERO.sh lkdtm:REFCOUNT_DEC_NEGATIVE.sh lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_INC_ZERO.sh lkdtm:REFCOUNT_ADD_ZERO.sh lkdtm:REFCOUNT_INC_SATURATED.sh lkdtm:REFCOUNT_DEC_SATURATED.sh lkdtm:REFCOUNT_ADD_SATURATED.sh lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_TIMING.sh lkdtm:ATOMIC_TIMING.sh lkdtm:USERCOPY_HEAP_SIZE_TO.sh lkdtm:USERCOPY_HEAP_SIZE_FROM.sh lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh lkdtm:USERCOPY_STACK_FRAME_TO.sh lkdtm:USERCOPY_STACK_FRAME_FROM.sh lkdtm:USERCOPY_STACK_BEYOND.sh lkdtm:USERCOPY_KERNEL.sh lkdtm:STACKLEAK_ERASING.sh lkdtm:CFI_FORWARD_PROTO.sh ============== Tests to run =============== lkdtm:PANIC.sh lkdtm:BUG.sh lkdtm:WARNING.sh lkdtm:WARNING_MESSAGE.sh lkdtm:EXCEPTION.sh lkdtm:LOOP.sh lkdtm:EXHAUST_STACK.sh lkdtm:CORRUPT_STACK.sh lkdtm:CORRUPT_STACK_STRONG.sh lkdtm:CORRUPT_LIST_ADD.sh lkdtm:CORRUPT_LIST_DEL.sh lkdtm:STACK_GUARD_PAGE_LEADING.sh lkdtm:STACK_GUARD_PAGE_TRAILING.sh lkdtm:UNSET_SMEP.sh lkdtm:DOUBLE_FAULT.sh lkdtm:CORRUPT_PAC.sh lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh lkdtm:OVERWRITE_ALLOCATION.sh lkdtm:WRITE_AFTER_FREE.sh lkdtm:READ_AFTER_FREE.sh lkdtm:WRITE_BUDDY_AFTER_FREE.sh lkdtm:READ_BUDDY_AFTER_FREE.sh lkdtm:SLAB_FREE_DOUBLE.sh lkdtm:SLAB_FREE_CROSS.sh lkdtm:SLAB_FREE_PAGE.sh lkdtm:SOFTLOCKUP.sh lkdtm:HARDLOCKUP.sh lkdtm:SPINLOCKUP.sh lkdtm:HUNG_TASK.sh lkdtm:EXEC_DATA.sh lkdtm:EXEC_STACK.sh lkdtm:EXEC_KMALLOC.sh lkdtm:EXEC_VMALLOC.sh lkdtm:EXEC_RODATA.sh lkdtm:EXEC_USERSPACE.sh lkdtm:EXEC_NULL.sh lkdtm:ACCESS_USERSPACE.sh lkdtm:ACCESS_NULL.sh lkdtm:WRITE_RO.sh lkdtm:WRITE_RO_AFTER_INIT.sh lkdtm:WRITE_KERN.sh lkdtm:REFCOUNT_INC_OVERFLOW.sh lkdtm:REFCOUNT_ADD_OVERFLOW.sh lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_DEC_ZERO.sh lkdtm:REFCOUNT_DEC_NEGATIVE.sh lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_INC_ZERO.sh lkdtm:REFCOUNT_ADD_ZERO.sh lkdtm:REFCOUNT_INC_SATURATED.sh lkdtm:REFCOUNT_DEC_SATURATED.sh lkdtm:REFCOUNT_ADD_SATURATED.sh lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_TIMING.sh lkdtm:ATOMIC_TIMING.sh lkdtm:USERCOPY_HEAP_SIZE_TO.sh lkdtm:USERCOPY_HEAP_SIZE_FROM.sh lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh lkdtm:USERCOPY_STACK_FRAME_TO.sh lkdtm:USERCOPY_STACK_FRAME_FROM.sh lkdtm:USERCOPY_STACK_BEYOND.sh lkdtm:USERCOPY_KERNEL.sh lkdtm:STACKLEAK_ERASING.sh lkdtm:CFI_FORWARD_PROTO.sh ===========End Tests to run =============== [ 30.814631] 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 [ 31.294712] lkdtm: Performing direct entry BUG [ 31.299767] ------------[ cut here ]------------ [ 31.305083] kernel BUG at drivers/misc/lkdtm/bugs.c:76! [ 31.310943] invalid opcode: 0000 [#1] SMP PTI [ 31.315807] CPU: 3 PID: 638 Comm: cat Tainted: G W 5.10.182-cip34 #1 [ 31.324359] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 31.331167] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 31.335540] Code: 89 ff e8 3e e6 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 56 e9 02 [ 31.356523] RSP: 0018:ffffb16201367e60 EFLAGS: 00010282 [ 31.362350] RAX: ffffffffb2d79540 RBX: 0000000000000001 RCX: 0000000000000000 [ 31.370321] RDX: 0000000000000000 RSI: ffff996bbad9bf70 RDI: ffffffffb3d7e850 [ 31.378292] RBP: ffffffffb425dc18 R08: 0000000000000001 R09: 0000000000000001 [ 31.386263] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 31.394234] R13: ffffb16201367f10 R14: ffffb16201367f10 R15: ffff996b43273000 [ 31.402205] FS: 00007f11f0c59580(0000) GS:ffff996bbad80000(0000) knlGS:0000000000000000 [ 31.411243] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 31.417676] CR2: 00007f11f0a63000 CR3: 0000000103bfc003 CR4: 00000000003706e0 [ 31.425668] Call Trace: [ 31.428401] ? __die_body.cold+0x1a/0x1f [ 31.432778] ? die+0x2b/0x50 [ 31.435990] ? do_trap+0x91/0x110 [ 31.439681] ? lkdtm_BUG+0x5/0x10 [ 31.443380] ? do_error_trap+0x90/0x110 [ 31.447674] ? lkdtm_BUG+0x5/0x10 [ 31.451372] ? lkdtm_BUG+0x5/0x10 [ 31.455070] ? exc_invalid_op+0x4e/0x70 [ 31.459342] ? lkdtm_BUG+0x5/0x10 [ 31.463040] ? asm_exc_invalid_op+0x12/0x20 [ 31.467703] ? direct_entry+0xe0/0xe0 [ 31.471816] ? lkdtm_BUG+0x5/0x10 [ 31.475516] direct_entry.cold+0x2c/0x38 [ 31.479894] full_proxy_write+0x53/0x80 [ 31.484177] vfs_write+0xe7/0x3b0 [ 31.487877] ksys_write+0x68/0xf0 [ 31.491574] do_syscall_64+0x30/0x40 [ 31.495563] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 31.501194] RIP: 0033:0x7f11f0b6f473 [ 31.505174] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 31.526151] RSP: 002b:00007ffc84830b98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 31.534608] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f11f0b6f473 [ 31.542579] RDX: 0000000000000004 RSI: 00007f11f0a63000 RDI: 0000000000000001 [ 31.550549] RBP: 00007f11f0a63000 R08: 00007f11f0a62010 R09: 0000000000000000 [ 31.558520] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 31.566489] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 31.574463] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub cros_usbpd_logger uvcvideo cros_usbpd_charger videobuf2_vmalloc snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table [ 31.628856] gsmi: Log Shutdown Reason 0x03 [ 31.633462] ---[ end trace 04bede4d306f3ce0 ]--- [ 31.638630] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 31.643018] Code: 89 ff e8 3e e6 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 56 e9 02 [ 31.664013] RSP: 0018:ffffb16201367e60 EFLAGS: 00010282 [ 31.669857] RAX: ffffffffb2d79540 RBX: 0000000000000001 RCX: 0000000000000000 [ 31.677838] RDX: 0000000000000000 RSI: ffff996bbad9bf70 RDI: ffffffffb3d7e850 [ 31.685819] RBP: ffffffffb425dc18 R08: 0000000000000001 R09: 0000000000000001 [ 31.693799] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 31.701804] R13: ffffb16201367f10 R14: ffffb16201367f10 R15: ffff996b43273000 [ 31.709807] FS: 00007f11f0c59580(0000) GS:ffff996bbad80000(0000) knlGS:0000000000000000 [ 31.718855] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 31.725326] CR2: 00007f11f0a63000 CR3: 0000000103bfc003 CR4: 00000000003706e0 # Segmentation fault # [ 31.294712] lkdtm: Performing direct entry BUG # [ 31.299767] ------------[ cut here ]------------ # [ 31.305083] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 31.310943] invalid opcode: 0000 [#1] SMP PTI # [ 31.315807] CPU: 3 PID: 638 Comm: cat Tainted: G W 5.10.182-cip34 #1 # [ 31.324359] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 31.331167] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 31.335540] Code: 89 ff e8 3e e6 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 56 e9 02 # [ 31.356523] RSP: 0018:ffffb16201367e60 EFLAGS: 00010282[ 31.814351] lkdtm: Performing direct entry WARNING # [ 31.362350] RAX: ffffffffb2d79540 RBX: 0000000000000001 R[ 31.821367] ------------[ cut here ]------------ CX: 0000000000000000 # [ 31.370321] RDX: 0000000000000000 RSI[ 31.832760] WARNING: CPU: 1 PID: 675 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 : ffff996bbad9bf70 RDI: ffffffffb3d7e850 # [ 31.378292] RBP: [ 31.848376] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub cros_usbpd_logger uvcvideo cros_usbpd_charger videobuf2_vmalloc snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table ffffffffb425dc18 R08: 0000000000000001 R09: 0000000000000001 # [ 31.907056] CPU: 1 PID: 675 Comm: cat Tainted: G D W 5.10.182-cip34 #1 [ 31.921828] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 31.386263] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: [ 31.928639] RIP: 0010:lkdtm_WARNING+0x13/0x20 0000000000000004 # [ 31.394234] R13: ffffb16201367f10 R14: ff[ 31.939732] Code: c0 f4 ff ff ff eb c9 0f 1f 44 00 00 0f 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 56 e9 02 01 75 05 c3 cc cc cc cc <0f> 0b c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 31 56 [ 31.966935] RSP: 0018:ffffb16201427e60 EFLAGS: 00010202 ffb16201367f10 R15: ffff996b43273000 # [ 31.402205] FS: 0000[ 31.972773] RAX: ffffffffb2d79550 RBX: 0000000000000002 RCX: 0000000000000000 7f11f0c59580(0000) GS:ffff996bbad80000(0000) knlGS:0000000000000[ 31.986961] RDX: 0000000000000000 RSI: ffff996bbac9bf70 RDI: ffffffffb3d7e860 000 # [ 31.411243] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008[ 32.001152] RBP: ffffffffb41f9517 R08: 0000000000000000 R09: 0000000000000000 0050033 # [ 31.417676] CR2: 00007f11f0a63000 CR3: 0000000103b[ 32.015343] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 fc003 CR4: 00000000003706e0 # [ 31.425668] Call Trace: # [ [ 32.029539] R13: ffffb16201427f10 R14: ffffb16201427f10 R15: ffff996b448f6000 31.428401] ? __die_body.cold+0x1a/0x1f # [ 31.432778] ? di[ 32.043734] FS: 00007f86f9770580(0000) GS:ffff996bbac80000(0000) knlGS:0000000000000000 e+0x2b/0x50 # [ 31.435990] ? do_trap+0x91/0x110 # [ 31.43[ 32.058989] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 9681] ? lkdtm_BUG+0x5/0x10 # [ 31.443380] ? do_error_trap+0[ 32.071625] CR2: 00007f86f957a000 CR3: 0000000103da4003 CR4: 00000000003706e0 x90/0x110 # [ 31.447674] ? lkdtm_BUG+0x5/0x10 # [ 31.4513[ 32.085818] Call Trace: 72] ? lkdtm_BUG+0x5/0x10 # [ 31.455070] ? exc_invalid_op+0x[ 32.094769] ? __warn+0x80/0x110 4e/0x70 # [ 31.459342] ? lkdtm_BUG+0x5/0x10 # [ 31.463040[ 32.104587] ? lkdtm_WARNING+0x13/0x20 ] ? asm_exc_invalid_op+0x12/0x20 # [ 31.467703] ? direct_en[ 32.114990] ? report_bug+0x9e/0xc0 try+0xe0/0xe0 # [ 31.471816] ? lkdtm_BUG+0x5/0x10 # [ 31.[ 32.125105] ? handle_bug+0x41/0x90 475516] direct_entry.cold+0x2c/0x38 # [ 31.479894] full_pro[ 32.135214] ? exc_invalid_op+0x14/0x70 xy_write+0x53/0x80 # [ 31.484177] vfs_write+0xe7/0x3b0 # [ [ 32.145735] ? asm_exc_invalid_op+0x12/0x20 31.487877] ksys_write+0x68/0xf0 # [ 31.491574] do_syscall[ 32.156623] ? lkdtm_BUG+0x10/0x10 _64+0x30/0x40 # [ 31.495563] entry_SYSCALL_64_after_hwframe+[ 32.166637] ? lkdtm_WARNING+0x13/0x20 0x61/0xc6 # [ 31.501194] RIP: 0033:0x7f11f0b6f473 # [ 31.5[ 32.177040] direct_entry.cold+0x2c/0x38 05174] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff [ 32.187639] full_proxy_write+0x53/0x80 ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 0[ 32.198136] vfs_write+0xe7/0x3b0 0 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 [ 32.208054] ksys_write+0x68/0xf0 48 89 54 24 18 # [ 31.526151] RSP: 002b:00007ffc84830b98 EFLA[ 32.217974] do_syscall_64+0x30/0x40 GS: 00000246 ORIG_RAX: 0000000000000001 # [ 31.534608] RAX: f[ 32.228183] entry_SYSCALL_64_after_hwframe+0x61/0xc6 fffffffffffffda RBX: 0000000000000004 RCX: 00007f11f0b6f473 # [[ 32.240042] RIP: 0033:0x7f86f9686473 31.542579] RDX: 0000000000000004 RSI: 00007f11f0a63000 RDI: 0[ 32.250252] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 000000000000001 # [ 31.550549] RBP: 00007f11f0a63000 R08: 000[ 32.277458] RSP: 002b:00007ffff6044a68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 07f11f0a62010 R09: 0000000000000000 # [ 31.558520] R10: fffff[ 32.292133] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f86f9686473 ffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 3[ 32.306324] RDX: 0000000000000008 RSI: 00007f86f957a000 RDI: 0000000000000001 1.566489] R13: 0000000000000001 R14: 0000000000020000 R15: 00000[ 32.320517] RBP: 00007f86f957a000 R08: 00007f86f9579010 R09: 0000000000000000 [ 32.334720] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 00000020000 # [ 31.574463] Modules linked in: fuse ip_tables [ 32.342715] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industria[ 32.356912] irq event stamp: 0 lio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_[ 32.366534] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_e[ 32.379755] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 c_sensorhub cros_usbpd_logger uvcvideo cros_usbpd_charger videob[ 32.395111] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 uf2_vmalloc snd_soc_core videobuf2_memops videobuf2_v4l2 snd_com[ 32.410464] softirqs last disabled at (0): [<0000000000000000>] 0x0 press gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine vi[ 32.423685] ---[ end trace 04bede4d306f3ce1 ]--- deobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 31.628856] gsmi: Log Shutdown Reason 0x03 # [ 31.633462] ---[ end trace 04bede4d306f3ce0 ]--- # [ 31.638630] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 31.643018] Code: 89 ff e8 3e e6 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 56 e9 02 # [ 31.664013] RSP: 0018:ffffb16201367e60 EFLAGS: 00010282 # [ 31.669857] RAX: ffffffffb2d79540 RBX: 0000000000000001 RCX: 0000000000000000 # [ 31.677838] RDX: 0000000000000000 RSI: ffff996bbad9bf70 RDI: ffffffffb3d7e850 # [ 31.685819] RBP: ffffffffb425dc18 R08: 0000000000000001 R[ 32.509310] lkdtm: Performing direct entry WARNING_MESSAGE 09: 0000000000000001 # [ 31.693799] R10: 00000000ffffe000 R11[ 32.515773] ------------[ cut here ]------------ : 3fffffffffffffff R12: 0000000000000004 # [ 31.701804] R13: [ 32.527146] Warning message trigger count: 2 ffffb16201367f10 R14: ffffb16201367f10 R15: ffff996b43273000 # [ 32.538154] WARNING: CPU: 1 PID: 710 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 [ 31.709807] FS: 00007f11f0c59580(0000) GS:ffff996bbad80000(0[ 32.554556] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub cros_usbpd_logger uvcvideo cros_usbpd_charger videobuf2_vmalloc snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table 000) knlGS:0000000000000000 # [ 31.718855] CS: 0010 DS: 0000[ 32.613240] CPU: 1 PID: 710 Comm: cat Tainted: G D W 5.10.182-cip34 #1 ES: 0000 CR0: 0000000080050033 # [ 31.725326] CR2: 00007f11f[ 32.628010] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 0a63000 CR3: 0000000103bfc003 CR4: 00000000003706e0 # BUG: saw [ 32.641035] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftests:[ 32.652894] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 31 56 e9 02 48 c7 c7 78 9a 1f b4 8d 70 01 89 35 21 56 e9 02 e8 47 d1 64 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 lkdtm: WARNING.sh # [ 31.814351] lkdtm: Performing direct en[ 32.680097] RSP: 0018:ffffb162014d7e60 EFLAGS: 00010286 try WARNING # [ 31.821367] ------------[ cut here ]----------[ 32.692153] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 -- # [ 31.832760] WARNING: CPU: 1 PID: 675 at drivers/misc/lk[ 32.706344] RDX: ffff996bbacac660 RSI: ffff996bbac9bf70 RDI: ffff996bbac9bf70 dtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 # [ 31.848376] Modules [ 32.720537] RBP: ffffffffb41f951f R08: 0000000000000000 R09: 0000000000000000 linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros[ 32.734736] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 _ec_sensors_core industrialio_triggered_buffer kfifo_buf industr[ 32.748928] R13: ffffb162014d7f10 R14: ffffb162014d7f10 R15: ffff996b448f0000 ialio snd_soc_da7219 cros_ec_debugfs cros_ec_lightbar cros_ec_sy[ 32.763120] FS: 00007ff3d1d70580(0000) GS:ffff996bbac80000(0000) knlGS:0000000000000000 sfs cros_ec_chardev cros_ec_sensorhub cros_usbpd_logger uvcvideo[ 32.778382] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 cros_usbpd_charger videobuf2_vmalloc snd_soc_core videobuf2_mem[ 32.791021] CR2: 00007ff3d1b7a000 CR3: 0000000103c34001 CR4: 00000000003706e0 ops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_e[ 32.805213] Call Trace: c_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros[ 32.814164] ? __warn+0x80/0x110 _usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_ta[ 32.823981] ? lkdtm_WARNING_MESSAGE+0x20/0x30 ble # [ 31.907056] CPU: 1 PID: 675 Comm: cat Tainted: G [ 32.835162] ? report_bug+0x9e/0xc0 D W 5.10.182-cip34 #1 # [ 31.921828] Hardware name: G[ 32.845274] ? handle_bug+0x41/0x90 oogle Rammus/Rammus, BIOS 09/04/2020 # [ 31.928639] RIP: 001[ 32.855384] ? exc_invalid_op+0x14/0x70 0:lkdtm_WARNING+0x13/0x20 # [ 31.939732] Code: c0 f4 ff ff ff[ 32.865886] ? asm_exc_invalid_op+0x12/0x20 eb c9 0f 1f 44 00 00 0f 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 [ 32.876779] ? lkdtm_WARNING_MESSAGE+0x20/0x30 00 00 83 05 50 56 e9 02 01 75 05 c3 cc cc cc cc <0f> 0b c3 cc cc[ 32.887957] direct_entry.cold+0x2c/0x38 cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 31 56 # [ 31.96[ 32.898555] full_proxy_write+0x53/0x80 6935] RSP: 0018:ffffb16201427e60 EFLAGS: 00010202 # [ 31.9727[ 32.909054] vfs_write+0xe7/0x3b0 73] RAX: ffffffffb2d79550 RBX: 0000000000000002 RCX: 00000000000[ 32.918972] ksys_write+0x68/0xf0 00000 # [ 31.986961] RDX: 0000000000000000 RSI: ffff996bbac9b[ 32.928888] do_syscall_64+0x30/0x40 f70 RDI: ffffffffb3d7e860 # [ 32.001152] RBP: ffffffffb41f951[ 32.939096] entry_SYSCALL_64_after_hwframe+0x61/0xc6 7 R08: 0000000000000000 R09: 0000000000000000 # [ 32.015343] [ 32.950958] RIP: 0033:0x7ff3d1c86473 R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000[ 32.961167] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 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 # [ 32.029539] R13: ffffb16201427f10 R14: ffffb16201427f10 [ 32.988372] RSP: 002b:00007fff2a690508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 R15: ffff996b448f6000 # [ 32.043734] FS: 00007f86f9770580(00[ 33.003048] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007ff3d1c86473 00) GS:ffff996bbac80000(0000) knlGS:0000000000000000 # [ 32.0[ 33.017238] RDX: 0000000000000010 RSI: 00007ff3d1b7a000 RDI: 0000000000000001 58989] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ [ 33.031429] RBP: 00007ff3d1b7a000 R08: 00007ff3d1b79010 R09: 0000000000000000 32.071625] CR2: 00007f86f957a000 CR3: 0000000103da4003 CR4: 0000[ 33.045621] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 0000003706e0 # [ 32.085818] Call Trace: # [ 32.094769] ? [ 33.059810] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 __warn+0x80/0x110 # [ 32.104587] ? lkdtm_WARNING+0x13/0x20 [ 33.074003] irq event stamp: 0 # [ 32.114990] ? report_bug+0x9e/0xc0 # [ 32.125105] ? ha[ 33.083625] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ndle_bug+0x41/0x90 # [ 32.135214] ? exc_invalid_op+0x14/0x70[ 33.096846] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 32.145735] ? asm_exc_invalid_op+0x12/0x20 # [ 32.156[ 33.112202] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 623] ? lkdtm_BUG+0x10/0x10 # [ 32.166637] ? lkdtm_WARNING+0[ 33.127558] softirqs last disabled at (0): [<0000000000000000>] 0x0 x13/0x20 # [ 32.177040] direct_entry.cold+0x2c/0x38 # [ 3[ 33.140777] ---[ end trace 04bede4d306f3ce2 ]--- 2.187639] full_proxy_write+0x53/0x80 # [ 32.198136] vfs_write+0xe7/0x3b0 # [ 32.208054] ksys_write+0x68/0xf0 # [ 32.217974] do_syscall_64+0x30/0x40 # [ 32.228183] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 32.240042] RIP: 0033:0x7f86f9686473 # [ 32.250252] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 32.277458] RSP: 002b:00007ffff6044a68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 32.292133] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f86f9686473 # [ 32.306324] RDX: 0000000000000008 RSI: 00007f86f957a000 RDI: 0000000000000001 # [ 32.320517] RBP: 00007f[ 33.226034] lkdtm: Performing direct entry EXCEPTION [ 33.232301] BUG: kernel NULL pointer dereference, address: 0000000000000000 86f957a000 R08: 00007f86f9579010 R09: 0000000000000000 # [ 32[ 33.240077] #PF: supervisor write access in kernel mode [ 33.252126] #PF: error_code(0x0002) - not-present page [ 33.257862] PGD 0 P4D 0 [ 33.260686] Oops: 0002 [#2] SMP PTI [ 33.264578] CPU: 3 PID: 742 Comm: cat Tainted: G D W 5.10.182-cip34 #1 [ 33.273131] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 33.279941] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 [ 33.284902] Code: 48 c7 c7 78 9a 1f b4 8d 70 01 89 35 21 56 e9 02 e8 47 d1 64 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 [ 33.305880] RSP: 0018:ffffb1620155fe60 EFLAGS: 00010286 [ 33.311727] RAX: ffffffffb2d795a0 RBX: 0000000000000004 RCX: 0000000000000000 [ 33.319699] RDX: 0000000000000000 RSI: ffff996bbad9bf70 RDI: ffffffffb3d7e880 [ 33.327677] RBP: ffffffffb40eda67 R08: 0000000000000000 R09: 0000000000000000 [ 33.335647] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 33.343618] R13: ffffb1620155ff10 R14: ffffb1620155ff10 R15: ffff996b44471000 [ 33.351590] FS: 00007fab35077580(0000) GS:ffff996bbad80000(0000) knlGS:0000000000000000 [ 33.360628] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 33.367043] CR2: 0000000000000000 CR3: 00000001026ae004 CR4: 00000000003706e0 [ 33.375013] Call Trace: [ 33.377741] ? __die_body.cold+0x1a/0x1f [ 33.382119] ? no_context+0x177/0x380 [ 33.386200] ? exc_page_fault+0x53/0x170 [ 33.390577] ? asm_exc_page_fault+0x1e/0x30 [ 33.395246] ? lkdtm_WARNING_MESSAGE+0x30/0x30 [ 33.400207] ? lkdtm_EXCEPTION+0x5/0x20 [ 33.404479] direct_entry.cold+0x2c/0x38 [ 33.408859] full_proxy_write+0x53/0x80 [ 33.413140] vfs_write+0xe7/0x3b0 [ 33.416837] ksys_write+0x68/0xf0 [ 33.420534] do_syscall_64+0x30/0x40 [ 33.424524] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 33.430165] RIP: 0033:0x7fab34f8d473 [ 33.434145] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 33.455129] RSP: 002b:00007ffd2f26dd98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 33.463586] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fab34f8d473 [ 33.471556] RDX: 000000000000000a RSI: 00007fab34e81000 RDI: 0000000000000001 [ 33.479526] RBP: 00007fab34e81000 R08: 00007fab34e80010 R09: 0000000000000000 [ 33.487494] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 33.495464] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 .334720] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 000000[ 33.503438] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub cros_usbpd_logger uvcvideo cros_usbpd_charger videobuf2_vmalloc snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table [ 33.562147] CR2: 0000000000000000 [ 33.565844] ---[ end trace 04bede4d306f3ce3 ]--- [ 33.570998] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 33.575374] Code: 89 ff e8 3e e6 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 56 e9 02 [ 33.596362] RSP: 0018:ffffb16201367e60 EFLAGS: 00010282 [ 33.602199] RAX: ffffffffb2d79540 RBX: 0000000000000001 RCX: 0000000000000000 [ 33.610170] RDX: 0000000000000000 RSI: ffff996bbad9bf70 RDI: ffffffffb3d7e850 [ 33.618139] RBP: ffffffffb425dc18 R08: 0000000000000001 R09: 0000000000000001 [ 33.626110] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 33.634080] R13: ffffb16201367f10 R14: ffffb16201367f10 R15: ffff996b43273000 [ 33.642050] FS: 00007fab35077580(0000) GS:ffff996bbad80000(0000) knlGS:0000000000000000 [ 33.651089] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 33.657503] CR2: 0000000000000000 CR3: 00000001026ae004 CR4: 00000000003706e0 [ 33.665474] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 33.675379] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 742, name: cat [ 33.683756] INFO: lockdep is turned off. [ 33.688134] irq event stamp: 0 [ 33.691540] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 33.698540] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 [ 33.707680] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 [ 33.716816] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 33.723816] CPU: 3 PID: 742 Comm: cat Tainted: G D W 5.10.182-cip34 #1 [ 33.732361] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 33.739165] Call Trace: [ 33.741893] dump_stack+0x77/0x9b [ 33.745591] ___might_sleep.cold+0xa6/0xb6 [ 33.750164] exit_signals+0x1c/0x300 [ 33.754154] do_exit+0xc2/0xab0 [ 33.757648] ? ksys_write+0x68/0xf0 [ 33.761564] make_task_dead+0x2f/0x30 [ 33.765642] rewind_stack_and_make_dead+0x17/0x20 [ 33.770894] RIP: 0033:0x7fab34f8d473 [ 33.774882] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 33.795867] RSP: 002b:00007ffd2f26dd98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 33.804322] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fab34f8d473 [ 33.812292] RDX: 000000000000000a RSI: 00007fab34e81000 RDI: 0000000000000001 [ 33.820262] RBP: 00007fab34e81000 R08: 00007fab34e80010 R09: 0000000000000000 [ 33.828231] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 33.836201] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0000000001 # [ 32.342715] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 32.356912] irq event stamp: 0 # [ 32.366534] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 32.379755] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 32.395111] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 32.410464] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 32.423685] ---[ end trace 04bede4d306f3ce1 ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ 32.509310] lkdtm: Performing direct entry WARNING_MESSAGE # [ 32.515773] ------------[ cut here ]------------ # [ 32.527146] Warning message trigger count: 2 # [ 32.538154] WARNING: CPU: 1 PID: 710 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 32.554556] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub cros_usbpd_logger uvcvideo cros_usbpd_charger videobuf2_vmalloc snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 32.613240] CPU: 1 PID: 710 Comm: cat Tainted: G D W 5.10.182-cip34 #1 # [ 32.628010] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 32.641035] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 32.652894] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 31 56 e9 02 48 c7 c7 78 9a 1f b4 8d 70 01 89 35 21 56 e9 02 e8 47 d1 64 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 # [ 32.680097] RSP: 0018:ffffb162014d7e60 EFLAGS: 00010286 # [ 32.692153] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 # [ 32.706344] RDX: ffff996bbacac660 RSI: ffff996bbac9bf70 RDI: ffff996bbac9bf70 # [ 32.720537] RBP: ffffffffb41f951f R08: 00000000[ 34.051521] lkdtm: Performing direct entry CORRUPT_LIST_ADD 00000000 R09: 0000000000000000 # [ 32.734736] R10: 00000000ff[ 34.061757] lkdtm: attempting good list addition ffe000 R11: 3fffffffffffffff R12: 0000000000000010 # [ 32.748[ 34.073161] lkdtm: attempting corrupted list addition 928] R13: ffffb162014d7f10 R14: ffffb162014d7f10 R15: ffff996b44[ 34.085015] lkdtm: list_add() corruption not detected! 8f0000 # [ 32.763120] FS: 00007ff3d1d70580(0000) GS:ffff996bbac80000(0000) knlGS:0000000000000000 # [ 32.778382] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 32.791021] CR2: 00007ff3d1b7a000 CR3: 0000000103c34001 CR4: 00000000003706e0 # [ 32.805213] Call Trace: # [ 32.814164] ? __warn+0x80/0x110 # [ 32.823981] ? lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 32.835162] ? report_bug+0x9e/0xc0 # [ 32.845274] ? handle_bug+0x41/0x90 # [ 32.855384] ? exc_invalid_op+0x14/0x70 # [ 32.865886] ? asm_exc_invalid_op+0x12/0x20 # [ 32.876779] ? lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 32.887957] direct_entry.cold+0x2c/0x38 # [ 32.898555] full_proxy_write+0x53/0x80 # [ 32.909054] vfs_write+0xe7/0x3b0 # [ 32.918972] ksys_write+0x68/0xf0 # [ 32.928888] do_syscall_64+0x30/0x40 # [ 32.939096] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 32.950958] RIP: 0033:0x7ff3d1c86473 # [ 32.961167] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 32.988372] RSP: 002b:00007fff2a690508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 33.003048] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007ff3d1c86473 # [ 33.017238] RDX: 0000000000000010 RSI: 00007ff3d1b7a000 RDI: 0000000000000001 # [ 33.031429] RBP: 00007ff3d1b7a000 R08: 00007ff3d1b79010 R09: 0000000000000000 # [ 33.045621] R10: fffffffffffffbc5 R11: 0000[ 34.240144] lkdtm: Performing direct entry CORRUPT_LIST_DEL [ 34.252377] lkdtm: attempting good list removal [ 34.257452] lkdtm: attempting corrupted list removal [ 34.263005] lkdtm: list_del() corruption not detected! 000000000246 R12: 0000000000000001 # [ 33.059810] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 33.074003] irq event stamp: 0 # [ 33.083625] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 33.096846] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 33.112202] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 33.127558] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 33.140777] ---[ end trace 04bede4d306f3ce2 ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCEPTION.sh # Killed # [ 33.226034] lkdtm: Performing direct entry EXCEPTION # [ 33.232301] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ [ 34.343849] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING [ 34.356587] lkdtm: attempting bad read from page below current stack [ 34.363733] BUG: stack guard page was hit at 000000003226c681 (stack is 00000000123d044a..00000000caf1e6f0) [ 34.374652] kernel stack overflow (page fault): 0000 [#3] SMP PTI 33.240077] #PF: supervisor write access in kernel mode # [ 33[ 34.381461] CPU: 3 PID: 967 Comm: cat Tainted: G D W 5.10.182-cip34 #1 [ 34.396229] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 34.403037] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a [ 34.409551] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 18 9e 1f b4 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 b5 de fb ff 48 c7 c7 58 9e 1f b4 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 9b de fb ff 0f 1f 44 [ 34.430535] RSP: 0018:ffffb162018ffe50 EFLAGS: 00010246 [ 34.436361] RAX: 0000000000000038 RBX: ffffb162018fc000 RCX: 0000000000000000 [ 34.444330] RDX: 0000000000000000 RSI: ffff996bbad9bf70 RDI: ffffffffb41f9e58 [ 34.452301] RBP: ffffffffb41f9582 R08: 0000000000000000 R09: 0000000000000000 [ 34.460271] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 [ 34.468241] R13: ffffb162018fff10 R14: ffffb162018fff10 R15: ffff996b429f3000 [ 34.476213] FS: 00007fe4ccc2b580(0000) GS:ffff996bbad80000(0000) knlGS:0000000000000000 [ 34.485250] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 34.491676] CR2: ffffb162018fbfff CR3: 0000000104406006 CR4: 00000000003706e0 [ 34.499637] Call Trace: [ 34.502364] <#DF> [ 34.504598] ? __die_body.cold+0x1a/0x1f [ 34.508978] ? die+0x2b/0x50 [ 34.512189] ? handle_stack_overflow+0x3e/0x4d [ 34.517150] ? no_context+0x24d/0x380 [ 34.521227] .252126] #PF: error_code(0x0002) - not-present page # [ 33.25[ 34.523563] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub cros_usbpd_logger uvcvideo cros_usbpd_charger videobuf2_vmalloc snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table [ 34.582277] ---[ end trace 04bede4d306f3ce4 ]--- [ 34.587431] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 34.591799] Code: 89 ff e8 3e e6 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 56 e9 02 [ 34.612784] RSP: 0018:ffffb16201367e60 EFLAGS: 00010282 [ 34.618618] RAX: ffffffffb2d79540 RBX: 0000000000000001 RCX: 0000000000000000 [ 34.626588] RDX: 0000000000000000 RSI: ffff996bbad9bf70 RDI: ffffffffb3d7e850 [ 34.634557] RBP: ffffffffb425dc18 R08: 0000000000000001 R09: 0000000000000001 [ 34.642529] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 34.650498] R13: ffffb16201367f10 R14: ffffb16201367f10 R15: ffff996b43273000 [ 34.658468] FS: 00007fe4ccc2b580(0000) GS:ffff996bbad80000(0000) knlGS:0000000000000000 [ 34.667506] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 34.673922] CR2: ffffb162018fbfff CR3: 0000000104406006 CR4: 00000000003706e0 [ 34.681892] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 34.691812] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 967, name: cat [ 34.700169] INFO: lockdep is turned off. [ 34.704545] irq event stamp: 0 [ 34.707952] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 34.714942] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 [ 34.724079] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 [ 34.733207] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 34.740207] CPU: 3 PID: 967 Comm: cat Tainted: G D W 5.10.182-cip34 #1 [ 34.748760] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 34.755564] Call Trace: [ 34.758292] dump_stack+0x77/0x9b [ 34.761991] ___might_sleep.cold+0xa6/0xb6 [ 34.766564] exit_signals+0x1c/0x300 [ 34.770553] do_exit+0xc2/0xab0 [ 34.774058] ? ksys_write+0x68/0xf0 [ 34.777950] make_task_dead+0x2f/0x30 [ 34.782036] rewind_stack_and_make_dead+0x17/0x20 [ 34.787287] RIP: 0033:0x7fe4ccb41473 [ 34.791276] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 34.812253] RSP: 002b:00007ffe8ed8cfc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 34.820710] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fe4ccb41473 [ 34.828700] RDX: 0000000000000019 RSI: 00007fe4cca35000 RDI: 0000000000000001 [ 34.836681] RBP: 00007fe4cca35000 R08: 00007fe4cca34010 R09: 0000000000000000 [ 34.844675] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 34.852645] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 7862] PGD 0 P4D 0 # [ 33.260686] Oops: 0002 [#2] SMP PTI # [ 33.264578] CPU: 3 PID: 742 Comm: cat Tainted: G D W 5.10.182-cip34 #1 # [ 33.273131] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 33.279941] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 # [ 33.284902] Code: 48 c7 c7 78 9a 1f b4 8d 70 01 89 35 21 56 e9 02 e8 47 d1 64 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 # [ 33.305880] RSP: 0018:ffffb1620155fe60 EFLAGS: 00010286 # [ 33.311727] RAX: ffffffffb2d795a0 RBX: 0000000000000004 RCX: 0000000000000000 # [ 33.319699] RDX: 0000000000000000 RSI: ffff996bbad9bf70 RDI: ffffffffb3d7e880 # [ 33.327677] RBP: ffffffffb40eda67 R08: 0000000000000000 R09: 0000000000000000 # [ 33.335647] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [[ 34.945077] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING [ 34.954767] lkdtm: attempting bad read from page above current stack [ 34.961880] BUG: stack guard page was hit at 0000000033a1beeb (stack is 00000000858fef1e..000000001957b70e) [ 34.972773] kernel stack overflow (page fault): 0000 [#4] SMP PTI 33.343618] R13: ffffb1620155ff10 R14: ffffb1620155ff10 R15: f[ 34.979580] CPU: 3 PID: 1000 Comm: cat Tainted: G D W 5.10.182-cip34 #1 [ 34.994445] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 ff[f996b44471000 # [ 33.351590] FS: 00007fab35077580(0000) GS 35.001253] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d [ 35.014082] Code: de fb ff 0f 1f 44 00 00 53 48 c7 c7 90 9e 1f b4 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 7b de fb ff 48 c7 c7 d0 9e 1f b4 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 5e de fb ff [ 35.035070] RSP: 0018:ffffb16201997e50 EFLAGS: 00010246 [ 35.040905] RAX: 0000000000000038 RBX: ffffb16201994000 RCX: 0000000000000000 [ 35.048875] RDX: 0000000000000000 RSI: ffff996bbad9bf70 RDI: ffffffffb41f9ed0 [ 35.056846] RBP: ffffffffb41f959b R08: 0000000000000000 R09: 0000000000000000 [ 35.064816] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a [ 35.072785] R13: ffffb16201997f10 R14: ffffb16201997f10 R15: ffff996b426ef000 [ 35.080756] FS: 00007f1de11df580(0000) GS:ffff996bbad80000(0000) knlGS:0000000000000000 [ 35.089793] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 35.096211] CR2: ffffb16201998000 CR3: 0000000103bd8004 CR4: 00000000003706e0 [ 35.104180] Call Trace: [ 35.106907] <#DF> [ 35.109141] ? __die_body.cold+0x1a/0x1f [ 35.113521] ? die+0x2b/0x50 [ 35.116733] ? handle_stack_overflow+0x3e/0x4d [ 35.121686] ? no_context+0x24d/0x380 [ 35.125772] :ffff996bbad80000(0000) knlGS:0000000000000000 # [ 33.360628][ 35.128108] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub cros_usbpd_logger uvcvideo cros_usbpd_charger videobuf2_vmalloc snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table [ 35.186825] ---[ end trace 04bede4d306f3ce5 ]--- [ 35.191981] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 35.196358] Code: 89 ff e8 3e e6 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 56 e9 02 [ 35.217341] RSP: 0018:ffffb16201367e60 EFLAGS: 00010282 [ 35.223174] RAX: ffffffffb2d79540 RBX: 0000000000000001 RCX: 0000000000000000 [ 35.231143] RDX: 0000000000000000 RSI: ffff996bbad9bf70 RDI: ffffffffb3d7e850 [ 35.239113] RBP: ffffffffb425dc18 R08: 0000000000000001 R09: 0000000000000001 [ 35.247084] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 35.255054] R13: ffffb16201367f10 R14: ffffb16201367f10 R15: ffff996b43273000 [ 35.263024] FS: 00007f1de11df580(0000) GS:ffff996bbad80000(0000) knlGS:0000000000000000 [ 35.272063] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 35.278479] CR2: ffffb16201998000 CR3: 0000000103bd8004 CR4: 00000000003706e0 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 33.367043] CR2: 0000000000000000 CR3: 00000001026ae004 CR4: 00000000003706e0 # [ 33.375013] Call Trace: # [ 33.377741] ? __die_body.cold+0x1a/0x1f # [ 33.382119] ? no_context+0x177/0x380 # [ 33.386200] ? exc_page_fault+0x53/0x170 # [ 33.390577] ? asm_exc_page_fault+0x1e/0x30 # [ 33.395246] ? lkdtm_WARNING_MESSAGE+0x30/0x30 # [ 33.400207] ? lkdtm_EXCEPTION+0x5/0x20 # [ 33.404479] direct_entry.cold+0x2c/0x38 # [ 33.408859] full_proxy_write+0x53/0x80 # [ 33.413140] vfs_write+0xe7/0x3b0 # [ 33.416837] ksys_write+0x68/0xf0 # [ 33.420534] do_syscall_64+0x30/0x40 # [ 33.424524] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 33.430165] RIP: 0033:0x7fab34f8d473 # [ 33.434145] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 33.455129] RSP: 002b:00007ffd2f26dd98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 33.[ 35.389837] lkdtm: Performing direct entry UNSET_SMEP [ 35.397796] lkdtm: trying to clear SMEP normally [ 35.402969] ------------[ cut here ]------------ [ 35.408137] pinned CR4 bits changed: 0x100000!? [ 35.413208] WARNING: CPU: 3 PID: 1036 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60 463586] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fa[ 35.423419] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub cros_usbpd_logger uvcvideo cros_usbpd_charger videobuf2_vmalloc snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table [ 35.482129] CPU: 3 PID: 1036 Comm: cat Tainted: G D W 5.10.182-cip34 #1 [ 35.490783] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 35.497591] RIP: 0010:native_write_cr4+0x45/0x60 [ 35.502748] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d f3 34 46 02 00 75 f2 48 c7 c7 28 7b 0f b4 c6 05 e3 34 46 02 01 e8 d2 40 10 01 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 b34f8d473 # [ 33.471556] RDX: 000000000000000a RSI: 00007fab3[ 35.523760] RSP: 0018:ffffb16201947e48 EFLAGS: 00010286 [ 35.535816] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 0000000000000000 [ 35.543789] RDX: ffff996bbadac660 RSI: ffff996bbad9bf70 RDI: ffff996bbad9bf70 [ 35.551762] RBP: ffffffffb41f95b5 R08: 0000000000000000 R09: 0000000000000000 [ 35.559738] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b [ 35.567725] R13: ffffb16201947f10 R14: ffffb16201947f10 R15: ffff996b45c1c000 [ 35.575739] FS: 00007fda55744580(0000) GS:ffff996bbad80000(0000) knlGS:0000000000000000 [ 35.584782] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 35.591202] CR2: 00007fda5554e000 CR3: 00000001067ae006 CR4: 00000000003706e0 [ 35.599175] Call Trace: [ 35.601907] ? __warn+0x80/0x110 [ 35.605511] ? native_write_cr4+0x45/0x60 [ 35.609989] ? report_bug+0x9e/0xc0 [ 35.613884] ? handle_bug+0x41/0x90 [ 35.617777] ? exc_invalid_op+0x14/0x70 [ 35.622061] ? asm_exc_invalid_op+0x12/0x20 [ 35.626746] ? native_write_cr4+0x45/0x60 [ 35.631254] ? native_write_cr4+0x45/0x60 [ 35.635741] lkdtm_UNSET_SMEP.cold+0x1d/0x103 [ 35.640608] direct_entry.cold+0x2c/0x38 [ 35.644989] full_proxy_write+0x53/0x80 [ 35.649289] vfs_write+0xe7/0x3b0 [ 35.652990] ksys_write+0x68/0xf0 4e81000 RDI: 0000000000000001 # [ 33.479526] RBP: 00007fab34e[ 35.656695] do_syscall_64+0x30/0x40 81000 R08: 00007fab34e80010 R09: 0000000000000000 # [ 33.4874[ 35.666903] entry_SYSCALL_64_after_hwframe+0x61/0xc6 94] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 00000000000[ 35.678763] RIP: 0033:0x7fda5565a473 [ 35.688977] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 35.710000] RSP: 002b:00007ffc390efca8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 00001 # [ 33.495464] R13: 0000000000000001 R14: 0000000000020[ 35.718488] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007fda5565a473 000 R15: 0000000000020000 # [ 33.503438] Modules linked in: f[ 35.732690] RDX: 000000000000000b RSI: 00007fda5554e000 RDI: 0000000000000001 [ 35.746887] RBP: 00007fda5554e000 R08: 00007fda5554d010 R09: 0000000000000000 [ 35.754878] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 35.762852] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 35.770834] irq event stamp: 0 use ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_[ 35.774260] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 35.787475] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 [ 35.796647] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 [ 35.796648] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 35.796649] ---[ end trace 04bede4d306f3ce6 ]--- [ 35.796650] lkdtm: ok: SMEP did not get cleared [ 35.796651] lkdtm: trying to clear SMEP with call gadget [ 35.828957] lkdtm: ok: SMEP removal was reverted core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub cros_usbpd_logger uvcvideo cros_usbpd_charger videobuf2_vmalloc snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 33.562147] CR2: 0000000000000000 # [ 33.565844] ---[ end trace 04bede4d306f3ce3 ]--- # [ 33.570998] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 33.575374] Code: 89 ff e8 3e e6 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 56 e9 02 # [ 33.596362] RSP: 0018:ffffb16201367e60 EFLAGS: 00010282 # [ 33.602199] RAX: ffffffffb2d79540 RBX: 0000000000000001 RCX: 0000000000000000 # [ 33.610170] RDX: 0000000000000000 RSI: ffff996bbad9bf70 RDI: ffffffffb3d[ 35.932756] lkdtm: Performing direct entry DOUBLE_FAULT 7e850 # [ 33.618139] RBP: ffffffffb425dc18 R08: 0000000000000[ 35.939441] lkdtm: XFAIL: this test is ia32-only 001 R09: 0000000000000001 # [ 33.626110] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 33.634080] R13: ffffb16201367f10 R14: ffffb16201367f10 R15: ffff996b43273000 # [ 33.642050] FS: 00007fab35077580(0000) GS:ffff996bbad80000(0000) knlGS:0000000000000000 # [ 33.651089] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 33.657503] CR2: 0000000000000000 CR3: 00000001026ae004 CR4: 00000000003706e0 # [ 33.665474] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 33.675379] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 742, name: cat # [ 33.683756] INFO: lockdep is turned off. # [ 33.688134] irq event stamp: 0 # [ 33.691540] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 33.698540] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 33[ 36.035687] lkdtm: Performing direct entry CORRUPT_PAC [ 36.043556] lkdtm: XFAIL: this test is arm64-only .707680] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 33.716816] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 33.723816] CPU: 3 PID: 742 Comm: cat Tainted: G D W 5.10.182-cip34 #1 # [ 33.732361] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 33.739165] Call Trace: # [ 33.741893] dump_stack+0x77/0x9b # [ 33.745591] ___might_sleep.cold+0xa6/0xb6 # [ 33.750164] exit_signals+0x1c/0x300 # [ 33.754154] do_exit+0xc2/0xab0 # [ 33.757648] ? ksys_write+0x68/0xf0 # [ 33.761564] make_task_dead+0x2f/0x30 # [ 33.765642] rewind_stack_and_make_dead+0x17/0x20 # [ 33.770894] RIP: 0033:0x7fab34f8d473 # [ 33.774882] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 [ 36.130454] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE [ 36.143068] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS 00 48 83 ec 28 48 89 54 24 18 # [ 33.795867] RSP: 002b:00007ffd2f26dd98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 33.804322] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fab34f8d473 # [ 33.812292] RDX: 000000000000000a RSI: 00007fab34e81000 RDI: 0000000000000001 # [ 33.820262] RBP: 00007fab34e81000 R08: 00007fab34e80010 R09: 0000000000000000 # [ 33.828231] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 33.836201] 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 # [ 34.051521] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 34.061757] lkdtm: attempting good list addition # [ 34.073161] lkdtm: attempting corrupted list addition # [ 34.085015] [ 36.281817] lkdtm: Performing direct entry READ_AFTER_FREE lkdtm: list_add() corruption not detected! # CORRUPT_LIST_ADD: [ 36.293550] lkdtm: Value in memory before free: 12345678 missing 'list_add corruption': [FAIL] not ok 10 selftests: lkdt[ 36.305703] lkdtm: Attempting bad read from freed memory m: CORRUPT_LIST_ADD.sh # exit=1 # selftests: lkdtm: CORRUPT_LIS[ 36.317851] lkdtm: Memory was not poisoned T_DEL.sh # [ 34.240144] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 34.252377] lkdtm: attempting good list removal # [ 34.257452] lkdtm: attempting corrupted list removal # [ 34.263005] 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 # [ 34.343849] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 34.356587] lkdtm: attempting bad read from page below current stack # [ 34.363733] BUG: stack guard page was hit at 000000003226c681 (stack is 00000000123d044a..00000000caf1e6f0) # [ 34.374652] kernel stack overflow (page fault): 0000 [#3] SMP PTI # [ 34.381461] CPU: 3 PID: 967 Comm: cat Tainted: G D W 5.10.182-cip34 #1 # [ 34.396229] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 34.403037] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a # [ 34.409551] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 18 9e 1f b4 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 b5 de fb ff 48 c7 c7 58 9e 1f b4 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 9b de fb ff 0f 1[ 36.442009] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE [ 36.453478] lkdtm: Value in memory before free: 12345678 [ 36.459438] lkdtm: Attempting to read from freed memory [ 36.465291] lkdtm: Buddy page was not poisoned f 44 # [ 34.430535] RSP: 0018:ffffb162018ffe50 EFLAGS: 00010246 # [ 34.436361] RAX: 0000000000000038 RBX: ffffb162018fc000 RCX: 0000000000000000 # [ 34.444330] RDX: 0000000000000000 RSI: ffff996bbad9bf70 RDI: ffffffffb41f9e58 # [ 34.452301] RBP: ffffffffb41f9582 R08: 0000000000000000 R09: 0000000000000000 # [ 34.460271] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 # [ 34.468241] R13: ffffb162018fff10 R14: ffffb162018fff10 R15: ffff996b429f3000 # [ 34.476213] FS: 00007fe4ccc2b580(0000) GS:ffff996bbad80000(0000) knlGS:0000000000000000 # [ 34.485250] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 34.491676] CR2: ffffb162018fbfff CR3: 0000000104406006 CR4: 00000000003706e0 # [ 34.499637] Call Trace: # [ 34.502364] <#DF> # [ 34.504598] ? __die_body.cold+0x1a/0x1f # [ 34.508978] ? die+0x2b/0x50 # [ 34.512189] ? handle_stack_overflow+0x3e/0x4d # [ 34.517150] ? no_context+0x24[ 36.558858] lkdtm: Performing direct entry SLAB_FREE_DOUBLE [ 36.569789] lkdtm: Attempting double slab free ... d/0x380 # [ 34.521227] # [ 34.523563] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub cros_usbpd_logger uvcvideo cros_usbpd_charger videobuf2_vmalloc snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 34.582277] ---[ end trace 04bede4d306f3ce4 ]--- # [ 34.587431] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 34.591799] Code: 89 ff e8 3e e6 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 56 e9 02 # [ 34.612784] RSP: 0018:ffffb16201367e60 EFLAGS: 00010282 #[ 36.662982] lkdtm: Performing direct entry SLAB_FREE_CROSS [ 34.618618] RAX: ffffffffb2d79540 RBX: 0000000000000001 RCX:[ 36.674544] lkdtm: Attempting cross-cache slab free ... 0000000000000000 # [ 34.626588] RDX: 0000000000000000 RSI: ffff996bbad9bf70 RDI: ffffffffb3d7e850 # [ 34.634557] RBP: ffffffffb425dc18 R08: 0000000000000001 R09: 0000000000000001 # [ 34.642529] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 34.650498] R13: ffffb16201367f10 R14: ffffb16201367f10 R15: ffff996b43273000 # [ 34.658468] FS: 00007fe4ccc2b580(0000) GS:ffff996bbad80000(0000) knlGS:0000000000000000 # [ 34.667506] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 34.673922] CR2: ffffb162018fbfff CR3: 0000000104406006 CR4: 00000000003706e0 # [ 34.681892] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 34.691812] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 967, name: cat # [ 34.700169] INFO: lockdep is turn[ 36.764785] lkdtm: Performing direct entry SLAB_FREE_PAGE [ 36.773389] lkdtm: Attempting non-Slab slab free ... ed off. # [ 34.704545] irq event stamp: 0 # [ 34.707952] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 34.714942] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 34.724079] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 34.733207] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 34.740207] CPU: 3 PID: 967 Comm: cat Tainted: G D W 5.10.182-cip34 #1 # [ 34.748760] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 34.755564] Call Trace: # [ 34.758292] dump_stack+0x77/0x9b # [ 34.761991] ___might_sleep.cold+0xa6/0xb6 # [ 34.766564] exit_signals+0x1c/0x300 # [ 34.770553] do_exit+0xc2/0xab0 # [ 34.774058] ? ksys_write+0x68/0xf0 # [ 34.777950] make_task_dead+0x2f/0x30 # [ 34.782036] rewind_stack_and_make_dead+0x17/0x20 # [ 34.787287] RIP: 0033:0x7fe4ccb41473 # [ 34.791276] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 34.812253] RSP: 002b:00007ffe8ed8cfc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 34.820710] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fe4ccb41473 # [ 34.828700] RDX: 0000000000000019 RSI: 00007fe4cca35000 RDI: 0000000000000001 # [ 34.836681] RBP: 00007fe4cca35000 R08: 00007fe4cca34010 R09: 0000000000000000 # [ 34.844675] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 34.852645] 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 # [ 34.945077] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 34.954767] lkdtm: attempting bad read from page above current stack # [ 34.961880] BUG: stack guard page was hit at 0000000033a1[ 36.973339] lkdtm: Performing direct entry EXEC_DATA beeb (stack is 00000000858fef1e..000000001957b70e) # [ 34.972[ 36.983407] lkdtm: attempting ok execution at ffffffffb2d79910 773] kernel stack overflow (page fault): 0000 [#4] SMP PTI # [ [ 36.996139] lkdtm: attempting bad execution at ffffffffb5c0ebe0 34.979580] CPU: 3 PID: 1000 Comm: cat Tainted: G D W [ 37.008973] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 37.023542] BUG: unable to handle page fault for address: ffffffffb5c0ebe0 [ 37.031220] #PF: supervisor instruction fetch in kernel mode [ 37.037539] #PF: error_code(0x0011) - permissions violation [ 37.043762] PGD 115e29067 P4D 115e29067 PUD 115e2a063 PMD 80000001176000e3 5.10.182-cip34 #1 # [ 34.994445] Hardware name: Google Ra[ 37.051544] Oops: 0011 [#5] SMP PTI [ 37.061668] CPU: 1 PID: 1543 Comm: cat Tainted: G D W 5.10.182-cip34 #1 mmus/Rammus, BIOS 09/04/2020 # [ 35.001253] RIP: 0010:lkdtm_[ 37.070326] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 37.083350] RIP: 0010:data_area+0x0/0x40 STACK_GUARD_PAGE_TRAILING+0x27/0x3d # [ 35.014082] Code: de f[ 37.087729] Code: ff ff 00 58 ad 44 6b 99 ff ff 00 57 ad 44 6b 99 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 [ 37.114928] RSP: 0018:ffffb162021d7e48 EFLAGS: 00010246 [ 37.120754] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 37.128732] RDX: 0000000000000000 RSI: ffff996bbac9bf70 RDI: ffff996bbac9bf70 [ 37.136702] RBP: ffffffffb5c0ebe0 R08: 0000000000000000 R09: 0000000000000000 [ 37.144674] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 37.152646] R13: ffffb162021d7f10 R14: ffffb162021d7f10 R15: ffff996b43da3000 [ 37.160642] FS: 00007f35b40c0580(0000) GS:ffff996bbac80000(0000) knlGS:0000000000000000 [ 37.169680] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 37.176097] CR2: ffffffffb5c0ebe0 CR3: 0000000103c44004 CR4: 00000000003706e0 [ 37.184068] Call Trace: [ 37.186799] ? __die_body.cold+0x1a/0x1f b ff 0f 1f 44 00 00 53 48 c7 c7 90 9e 1f b4 50 65 48 8b 04 25 40[ 37.191180] ? no_context+0x177/0x380 [ 37.201481] ? exc_page_fault+0xd7/0x170 b0 01 00 48 8b 58 18 e8 7b de fb ff 48 c7 c7 d0 9e 1f b4 <8a> 8[ 37.205860] ? asm_exc_page_fault+0x1e/0x30 3 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 5e de fb ff #[ 37.216749] ? execute_location+0x45/0x56 [ 37.227441] ? direct_entry.cold+0x2c/0x38 [ 37.232016] ? full_proxy_write+0x53/0x80 [ 37.236494] ? vfs_write+0xe7/0x3b0 [ 37.240388] ? ksys_write+0x68/0xf0 [ 37.244280] ? do_syscall_64+0x30/0x40 [ 37.248454] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 35.035070] RSP: 0018:ffffb16201997e50 EFLAGS: 00010246 # [[ 37.254291] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub cros_usbpd_logger uvcvideo cros_usbpd_charger videobuf2_vmalloc snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table [ 37.312963] CR2: ffffffffb5c0ebe0 [ 37.316678] ---[ end trace 04bede4d306f3ce7 ]--- [ 37.321833] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 37.326212] Code: 89 ff e8 3e e6 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 56 e9 02 [ 37.347199] RSP: 0018:ffffb16201367e60 EFLAGS: 00010282 [ 37.353025] RAX: ffffffffb2d79540 RBX: 0000000000000001 RCX: 0000000000000000 [ 37.360997] RDX: 0000000000000000 RSI: ffff996bbad9bf70 RDI: ffffffffb3d7e850 [ 37.368967] RBP: ffffffffb425dc18 R08: 0000000000000001 R09: 0000000000000001 [ 37.376937] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 37.384908] R13: ffffb16201367f10 R14: ffffb16201367f10 R15: ffff996b43273000 [ 37.392879] FS: 00007f35b40c0580(0000) GS:ffff996bbac80000(0000) knlGS:0000000000000000 [ 37.401918] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 37.408335] CR2: ffffffffb5c0ebe0 CR3: 0000000103c44004 CR4: 00000000003706e0 [ 37.416307] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 37.426220] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1543, name: cat [ 37.434677] INFO: lockdep is turned off. [ 37.439055] irq event stamp: 0 [ 37.442461] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 37.449461] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 [ 37.458599] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 [ 37.467734] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 37.474734] CPU: 1 PID: 1543 Comm: cat Tainted: G D W 5.10.182-cip34 #1 [ 37.483384] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 37.490190] Call Trace: [ 37.492919] dump_stack+0x77/0x9b 35.040905] RAX: 0000000000000038 RBX: ffffb16201994000 RCX: 0[ 37.496619] ___might_sleep.cold+0xa6/0xb6 [ 37.507405] exit_signals+0x1c/0x300 [ 37.511397] do_exit+0xc2/0xab0 [ 37.514902] ? ksys_write+0x68/0xf0 [ 37.518785] make_task_dead+0x2f/0x30 [ 37.522864] rewind_stack_and_make_dead+0x17/0x20 [ 37.528115] RIP: 0033:0x7f35b3fd6473 [ 37.532104] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 37.553082] RSP: 002b:00007ffd431630f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 37.561540] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f35b3fd6473 [ 37.569502] RDX: 000000000000000a RSI: 00007f35b3eca000 RDI: 0000000000000001 [ 37.577472] RBP: 00007f35b3eca000 R08: 00007f35b3ec9010 R09: 0000000000000000 [ 37.585443] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 37.593413] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 000000000000000 # [ 35.048875] RDX: 0000000000000000 RSI: ffff996bbad9bf70 RDI: ffffffffb41f9ed0 # [ 35.056846] RBP: ffffffffb41f959b R08: 0000000000000000 R09: 0000000000000000 # [ 35.064816] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a # [ 35.072785] R13: ffffb16201997f10 R14: ffffb16201997f10 R15: ffff996b426ef000 # [ 35.080756] FS: 00007f1de11df580(0000) GS:ffff996bbad80000(0000) knlGS:0000000000000000 # [ 35.089793] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 35.096211] CR2: ffffb16201998000 CR3: 0000000103bd8004 CR4: 00000000003706e0 # [ 35.104180] Call Trace: # [ 35.106907] <#DF> # [ 35.109141] ? __die_body.cold+0x1a/0x1f # [ 35.113521] ? die+0x2b/0x50 # [ 35.116733] ? handle_stack_overflow+0x3e/0x4d # [ 35.121686] ? no_context+0x24d/0x380 # [ 35.125772] # [ 35.128108] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec[ 37.702940] lkdtm: Performing direct entry EXEC_STACK [ 37.712690] lkdtm: attempting ok execution at ffffffffb2d79910 [ 37.719208] lkdtm: attempting bad execution at ffffb162022cfe18 [ 37.725843] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) _chardev cros_ec_sensorhub cros_usbpd_logger uvcvideo cros_usbpd[ 37.734211] BUG: unable to handle page fault for address: ffffb162022cfe18 [ 37.748107] #PF: supervisor instruction fetch in kernel mode [ 37.754420] #PF: error_code(0x0011) - permissions violation _[charger videobuf2_vmalloc snd_soc_core videobuf2_memops videobu 37.760644] PGD 100000067 P4D 100000067 PUD 100231067 PMD 10412c067 PTE 8000000103f66063 [ 37.775908] Oops: 0011 [#6] SMP PTI [ 37.779801] CPU: 2 PID: 1579 Comm: cat Tainted: G D W 5.10.182-cip34 #1 f2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_p[ 37.788453] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 37.801476] RIP: 0010:0xffffb162022cfe18 [ 37.805854] Code: 00 00 18 fe 2c 02 62 b1 ff ff 51 e6 40 b3 ff ff ff ff 20 00 00 00 00 00 00 00 de 96 1f b4 ff ff ff ff 80 e7 40 b3 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 [ 37.826832] RSP: 0018:ffffb162022cfdf8 EFLAGS: 00010246 [ 37.832680] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 37.840674] RDX: 0000000000000000 RSI: ffff996bbad1bf70 RDI: ffff996bbad1bf70 [ 37.848643] RBP: ffffb162022cfe18 R08: 0000000000000000 R09: 0000000000000000 [ 37.856614] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b [ 37.864585] R13: ffffb162022cff10 R14: ffffb162022cff10 R15: ffff996b42ad9000 [ 37.872554] FS: 00007f6268512580(0000) GS:ffff996bbad00000(0000) knlGS:0000000000000000 [ 37.881593] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 37.888008] CR2: ffffb162022cfe18 CR3: 00000001026ea001 CR4: 00000000003706e0 [ 37.895977] Call Trace: [ 37.898720] ? __die_body.cold+0x1a/0x1f [ 37.903131] ? no_context+0x177/0x380 [ 37.907219] ? exc_page_fault+0xd7/0x170 [ 37.911598] ? asm_exc_page_fault+0x1e/0x30 [ 37.916273] ? execute_location+0x45/0x56 [ 37.920747] ? lkdtm_EXEC_STACK+0x26/0x44 [ 37.925213] ? direct_entry.cold+0x2c/0x38 [ 37.929786] ? full_proxy_write+0x53/0x80 [ 37.934262] ? vfs_write+0xe7/0x3b0 [ 37.938154] ? ksys_write+0x68/0xf0 [ 37.942047] ? do_syscall_64+0x30/0x40 [ 37.946229] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 cm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_noti[ 37.952065] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub cros_usbpd_logger uvcvideo cros_usbpd_charger videobuf2_vmalloc snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table [ 38.010771] CR2: ffffb162022cfe18 [ 38.014469] ---[ end trace 04bede4d306f3ce8 ]--- [ 38.019625] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 38.024022] Code: 89 ff e8 3e e6 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 56 e9 02 [ 38.045008] RSP: 0018:ffffb16201367e60 EFLAGS: 00010282 [ 38.050842] RAX: ffffffffb2d79540 RBX: 0000000000000001 RCX: 0000000000000000 [ 38.058814] RDX: 0000000000000000 RSI: ffff996bbad9bf70 RDI: ffffffffb3d7e850 [ 38.066785] RBP: ffffffffb425dc18 R08: 0000000000000001 R09: 0000000000000001 [ 38.074755] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 38.082726] R13: ffffb16201367f10 R14: ffffb16201367f10 R15: ffff996b43273000 [ 38.090696] FS: 00007f6268512580(0000) GS:ffff996bbad00000(0000) knlGS:0000000000000000 [ 38.099733] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.106149] CR2: ffffb162022cfe18 CR3: 00000001026ea001 CR4: 00000000003706e0 fy chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 35.186825] ---[ end trace 04bede4d306f3ce5 ]--- # [ 35.191981] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 35.196358] Code: 89 ff e8 3e e6 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 56 e9 02 # [ 35.217341] RSP: 0018:ffffb16201367e60 EFLAGS: 00010282 # [ 35.223174] RAX: ffffffffb2d79540 RBX: 0000000000000001 RCX: 0000000000000000 # [ 35.231143] RDX: 0000000000000000 RSI: ffff996bbad9bf70 RDI: ffffffffb3d7e850 # [ 35.239113] RBP: ffffffffb425dc18 R08: 0000000000000001 R09: 0000000000000001 # [ 35.247084] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 35.255054] R13: ffffb16201367f10 R14: ffffb16201367f10 R15: ffff996b43273000 # [ 35.263024] FS: 00007f1de11df580(0000) GS:ffff996bbad80000(0000) knlGS:0000000000000000 # [ 35.272063] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 #[ 38.213124] lkdtm: Performing direct entry EXEC_KMALLOC [ 38.219448] lkdtm: attempting ok execution at ffffffffb2d79910 [ 38.225992] lkdtm: attempting bad execution at ffff996b4670ff80 [ 38.232641] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 38.241012] BUG: unable to handle page fault for address: ffff996b4670ff80 [ 35.278479] CR2: ffffb16201998000 CR3: 0000000103bd8004 CR4:[ 38.248693] #PF: supervisor instruction fetch in kernel mode [ 38.261228] #PF: error_code(0x0011) - permissions violation 0[0000000003706e0 # STACK_GUARD_PAGE_TRAILING: saw 'call trace: 38.267452] PGD 117801067 P4D 117801067 PUD 100236063 PMD 105ec9063 PTE 800000010670f063 [ 38.282733] Oops: 0011 [#7] SMP PTI [ 38.286626] CPU: 3 PID: 1615 Comm: cat Tainted: G D W 5.10.182-cip34 #1 [ 38.295274] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 38.302081] RIP: 0010:0xffff996b4670ff80 [ 38.306457] Code: 00 00 02 00 00 00 00 00 00 00 00 f8 70 46 6b 99 ff ff 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fb ef 2f b2 ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 [ 38.327445] RSP: 0018:ffffb16202317e38 EFLAGS: 00010246 [ 38.333279] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 38.341249] RDX: 0000000000000000 RSI: ffff996bbad9bf70 RDI: ffff996bbad9bf70 [ 38.349219] RBP: ffff996b4670ff80 R08: 0000000000000000 R09: 0000000000000000 [ 38.357189] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 38.365160] R13: ffffb16202317f10 R14: ffffb16202317f10 R15: ffff996b43bfb000 [ 38.373130] FS: 00007f53cac60580(0000) GS:ffff996bbad80000(0000) knlGS:0000000000000000 [ 38.382170] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.388588] CR2: ffff996b4670ff80 CR3: 00000001029f2002 CR4: 00000000003706e0 [ 38.396558] Call Trace: [ 38.399288] ? __die_body.cold+0x1a/0x1f [ 38.403680] ? no_context+0x177/0x380 [ 38.407768] ? exc_page_fault+0xd7/0x170 [ 38.412146] ? asm_exc_page_fault+0x1e/0x30 [ 38.416820] ? execute_location+0x45/0x56 [ 38.421294] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 [ 38.425953] ? direct_entry.cold+0x2c/0x38 [ 38.430526] ? full_proxy_write+0x53/0x80 [ 38.435002] ? vfs_write+0xe7/0x3b0 [ 38.438886] ? ksys_write+0x68/0xf0 [ 38.442779] ? do_syscall_64+0x30/0x40 [ 38.446952] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 ': ok ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # s[ 38.452791] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub cros_usbpd_logger uvcvideo cros_usbpd_charger videobuf2_vmalloc snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table [ 38.511506] CR2: ffff996b4670ff80 [ 38.515204] ---[ end trace 04bede4d306f3ce9 ]--- [ 38.520360] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 38.524736] Code: 89 ff e8 3e e6 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 56 e9 02 [ 38.545726] RSP: 0018:ffffb16201367e60 EFLAGS: 00010282 [ 38.551560] RAX: ffffffffb2d79540 RBX: 0000000000000001 RCX: 0000000000000000 [ 38.559531] RDX: 0000000000000000 RSI: ffff996bbad9bf70 RDI: ffffffffb3d7e850 [ 38.567504] RBP: ffffffffb425dc18 R08: 0000000000000001 R09: 0000000000000001 [ 38.575475] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 38.583445] R13: ffffb16201367f10 R14: ffffb16201367f10 R15: ffff996b43273000 [ 38.591415] FS: 00007f53cac60580(0000) GS:ffff996bbad80000(0000) knlGS:0000000000000000 [ 38.600453] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.606870] CR2: ffff996b4670ff80 CR3: 00000001029f2002 CR4: 00000000003706e0 elftests: lkdtm: UNSET_SMEP.sh # [ 35.389837] lkdtm: Performing direct entry UNSET_SMEP # [ 35.397796] lkdtm: trying to clear SMEP normally # [ 35.402969] ------------[ cut here ]------------ # [ 35.408137] pinned CR4 bits changed: 0x100000!? # [ 35.413208] WARNING: CPU: 3 PID: 1036 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60 # [ 35.423419] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub cros_usbpd_logger uvcvideo cros_usbpd_charger videobuf2_vmalloc snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 35.482129] CPU: 3 PID: 1036 Comm: cat Tainted: G D W 5.10.182-cip34 #1 # [ 35.490783] Hardware na[ 38.713699] lkdtm: Performing direct entry EXEC_VMALLOC me: Google Rammus/Rammus, BIOS 09/04/2020 # [ 35.497591] RIP[ 38.720189] lkdtm: attempting ok execution at ffffffffb2d79910 : 0010:native_write_cr4+0x45/0x60 # [ 35.502748] Code: 39 c2 [ 38.732905] lkdtm: attempting bad execution at ffffb16200385000 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d f3 34 46 02 00 75 f2 4[ 38.745736] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 38.760312] BUG: unable to handle page fault for address: ffffb16200385000 [ 38.767991] #PF: supervisor instruction fetch in kernel mode [ 38.774312] #PF: error_code(0x0011) - permissions violation [ 38.780526] PGD 100000067 P4D 100000067 PUD 100231067 PMD 1009be067 PTE 80000001028d4063 8 c7 c7 28 7b 0f b4 c6 05 e3 34 46 02 01 e8 d2 40 10 01 <0f> 0b [ 38.789571] Oops: 0011 [#8] SMP PTI [ 38.799678] CPU: 1 PID: 1651 Comm: cat Tainted: G D W 5.10.182-cip34 #1 [ 38.808328] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 38.815135] RIP: 0010:0xffffb16200385000 [ 38.819514] Code: Unable to access opcode bytes at RIP 0xffffb16200384fd6. [ 38.827194] RSP: 0018:ffffb1620225fe38 EFLAGS: 00010246 [ 38.833029] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 38.841001] RDX: 0000000000000000 RSI: ffff996bbac9bf70 RDI: ffff996bbac9bf70 [ 38.848961] RBP: ffffb16200385000 R08: 0000000000000000 R09: 0000000000000000 [ 38.856932] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 38.864896] R13: ffffb1620225ff10 R14: ffffb1620225ff10 R15: ffff996b428d4000 [ 38.872867] FS: 00007f109ead9580(0000) GS:ffff996bbac80000(0000) knlGS:0000000000000000 [ 38.881906] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.888323] CR2: ffffb16200384fd6 CR3: 0000000103260002 CR4: 00000000003706e0 [ 38.896296] Call Trace: c3[ cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 # [ 38.899026] ? __die_body.cold+0x1a/0x1f [ 38.909623] ? no_context+0x177/0x380 35.523760] RSP: 0018:ffffb16201947e48 EFLAGS: 00010286 # [ [ 38.913726] ? exc_page_fault+0xd7/0x170 [ 38.924317] ? asm_exc_page_fault+0x1e/0x30 35.535816] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 000[ 38.928994] ? execute_location+0x45/0x56 [ 38.939686] ? lkdtm_EXEC_VMALLOC+0x20/0x30 [ 38.944355] ? direct_entry.cold+0x2c/0x38 [ 38.948928] ? full_proxy_write+0x53/0x80 [ 38.953407] ? vfs_write+0xe7/0x3b0 [ 38.957301] ? ksys_write+0x68/0xf0 [ 38.961185] ? do_syscall_64+0x30/0x40 [ 38.965359] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 0000000000000 # [ 35.543789] RDX: ffff996bbadac660 RSI: ffff9[ 38.971196] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub cros_usbpd_logger uvcvideo cros_usbpd_charger videobuf2_vmalloc snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table [ 39.029876] CR2: ffffb16200385000 [ 39.033573] ---[ end trace 04bede4d306f3cea ]--- [ 39.038737] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 39.043106] Code: 89 ff e8 3e e6 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 56 e9 02 [ 39.064093] RSP: 0018:ffffb16201367e60 EFLAGS: 00010282 [ 39.069927] RAX: ffffffffb2d79540 RBX: 0000000000000001 RCX: 0000000000000000 [ 39.077899] RDX: 0000000000000000 RSI: ffff996bbad9bf70 RDI: ffffffffb3d7e850 [ 39.085870] RBP: ffffffffb425dc18 R08: 0000000000000001 R09: 0000000000000001 [ 39.093840] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 39.101811] R13: ffffb16201367f10 R14: ffffb16201367f10 R15: ffff996b43273000 [ 39.109781] FS: 00007f109ead9580(0000) GS:ffff996bbac80000(0000) knlGS:0000000000000000 [ 39.118821] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.125239] CR2: ffffb16200384fd6 CR3: 0000000103260002 CR4: 00000000003706e0 [ 39.133209] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 39.143122] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1651, name: cat [ 39.151579] INFO: lockdep is turned off. [ 39.155956] irq event stamp: 0 [ 39.159361] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 39.166360] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 [ 39.175499] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 [ 39.184626] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 39.191626] CPU: 1 PID: 1651 Comm: cat Tainted: G D W 5.10.182-cip34 #1 [ 39.200277] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 39.207082] Call Trace: [ 39.209809] dump_stack+0x77/0x9b 96bbad9bf70 RDI: ffff996bbad9bf70 # [ 35.551762] RBP: fffffff[ 39.213509] ___might_sleep.cold+0xa6/0xb6 [ 39.224294] exit_signals+0x1c/0x300 fb41f95b5 R08: 0000000000000000 R09: 0000000000000000 # [ 35.[ 39.228285] do_exit+0xc2/0xab0 [ 39.238000] ? ksys_write+0x68/0xf0 [ 39.241895] make_task_dead+0x2f/0x30 [ 39.245983] rewind_stack_and_make_dead+0x17/0x20 [ 39.251233] RIP: 0033:0x7f109e9ef473 [ 39.255213] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 39.276187] RSP: 002b:00007ffe60c964e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 39.284643] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f109e9ef473 [ 39.292612] RDX: 000000000000000d RSI: 00007f109e8e3000 RDI: 0000000000000001 [ 39.300580] RBP: 00007f109e8e3000 R08: 00007f109e8e2010 R09: 0000000000000000 [ 39.308548] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 39.316519] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 559738] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 35.567725] R13: ffffb16201947f10 R14: ffffb16201947f10 R15: ffff996b45c1c000 # [ 35.575739] FS: 00007fda55744580(0000) GS:ffff996bbad80000(0000) knlGS:0000000000000000 # [ 35.584782] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 35.591202] CR2: 00007fda5554e000 CR3: 00000001067ae006 CR4: 00000000003706e0 # [ 35.599175] Call Trace: # [ 35.601907] ? __warn+0x80/0x110 # [ 35.605511] ? native_write_cr4+0x45/0x60 # [ 35.609989] ? report_bug+0x9e/0xc0 # [ 35.613884] ? handle_bug+0x41/0x90 # [ 35.617777] ? exc_invalid_op+0x14/0x70 # [ 35.622061] ? asm_exc_invalid_op+0x12/0x20 # [ 35.626746] ? native_write_cr4+0x45/0x60 # [ 35.631254] ? native_write_cr4+0x45/0x60 # [ 35.635741] lkdtm_UNSET_SMEP.cold+0x1d/0x103 # [ 35.640608] direct_entry.cold+0x2c/0x38 # [ 35.644989] full_proxy_write+0x53/0x80 # [ 35.649289] vfs_write+0xe7/0x3b0 # [ 35.652990] ksys_write+0x68/0xf0 # [ 35.656695] do_syscall_64+0x30/0x40 # [ 35.666903] ent[ 39.427983] lkdtm: Performing direct entry EXEC_RODATA ry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 35.678763] RIP: 003[ 39.435906] lkdtm: attempting ok execution at ffffffffb2d79910 3:0x7fda5565a473 # [ 35.688977] Code: 8b 15 21 2a 0e 00 f7 d8[ 39.448657] lkdtm: attempting bad execution at ffffffffb3d7ece0 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 [ 39.461490] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 39.476061] BUG: unable to handle page fault for address: ffffffffb3d7ece0 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55[ 39.483744] #PF: supervisor instruction fetch in kernel mode [ 39.496280] #PF: error_code(0x0011) - permissions violation c[3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 35.710000] RSP 39.502494] PGD 115e29067 P4D 115e29067 PUD 115e2a063 PMD 80000001156000e1 [ 39.516492] Oops: 0011 [#9] SMP PTI [ 39.520375] CPU: 1 PID: 1687 Comm: cat Tainted: G D W 5.10.182-cip34 #1 [ 39.529026] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 39.535835] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 : 002b:00007ffc390efca8 EFLAGS: 00000246 ORIG_RAX: 0000000000000[ 39.541575] Code: ff ff f0 fb 40 b3 ff ff ff ff 2a 99 1f b4 ff ff ff ff 36 e3 40 b3 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 [ 39.568774] RSP: 0018:ffffb16202457e48 EFLAGS: 00010246 [ 39.574609] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 39.582580] RDX: 0000000000000000 RSI: ffff996bbac9bf70 RDI: ffff996bbac9bf70 [ 39.590552] RBP: ffffffffb3d7ece0 R08: 0000000000000000 R09: 0000000000000000 [ 39.598522] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 39.606493] R13: ffffb16202457f10 R14: ffffb16202457f10 R15: ffff996b45f6b000 [ 39.614464] FS: 00007fa464d2a580(0000) GS:ffff996bbac80000(0000) knlGS:0000000000000000 [ 39.623502] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.629918] CR2: ffffffffb3d7ece0 CR3: 000000010410e004 CR4: 00000000003706e0 [ 39.637889] Call Trace: [ 39.640618] ? __die_body.cold+0x1a/0x1f 001 # [ 35.718488] RAX: ffffffffffffffda RBX: 000000000000000[ 39.644998] ? no_context+0x177/0x380 [ 39.655298] ? exc_page_fault+0xd7/0x170 b RCX: 00007fda5565a473 # [ 35.732690] RDX: 000000000000000b [ 39.659681] ? asm_exc_page_fault+0x1e/0x30 RSI: 00007fda5554e000 RDI: 0000000000000001 # [ 35.746887] RB[ 39.670569] ? execute_location+0x45/0x56 [ 39.681259] ? direct_entry.cold+0x2c/0x38 [ 39.685834] ? full_proxy_write+0x53/0x80 [ 39.690311] ? vfs_write+0xe7/0x3b0 [ 39.694205] ? ksys_write+0x68/0xf0 [ 39.698097] ? do_syscall_64+0x30/0x40 [ 39.702281] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 P: 00007fda5554e000 R08: 00007fda5554d010 R09: 0000000000000000 [ 39.708110] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub cros_usbpd_logger uvcvideo cros_usbpd_charger videobuf2_vmalloc snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table [ 39.766789] CR2: ffffffffb3d7ece0 [ 39.770480] ---[ end trace 04bede4d306f3ceb ]--- [ 39.775637] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 39.780014] Code: 89 ff e8 3e e6 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 56 e9 02 [ 39.801000] RSP: 0018:ffffb16201367e60 EFLAGS: 00010282 [ 39.806834] RAX: ffffffffb2d79540 RBX: 0000000000000001 RCX: 0000000000000000 [ 39.814805] RDX: 0000000000000000 RSI: ffff996bbad9bf70 RDI: ffffffffb3d7e850 [ 39.822775] RBP: ffffffffb425dc18 R08: 0000000000000001 R09: 0000000000000001 [ 39.830746] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 39.838726] R13: ffffb16201367f10 R14: ffffb16201367f10 R15: ffff996b43273000 [ 39.846697] FS: 00007fa464d2a580(0000) GS:ffff996bbac80000(0000) knlGS:0000000000000000 [ 39.855728] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.862145] CR2: ffffffffb3d7ece0 CR3: 000000010410e004 CR4: 00000000003706e0 # [ 35.754878] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 35.762852] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 35.770834] irq event stamp: 0 # [ 35.774260] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 35.787475] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 35.796647] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 35.796648] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 35.796649] ---[ end trace 04bede4d306f3ce6 ]--- # [ 35.796650] lkdtm: ok: SMEP did not get cleared # [ 35.796651] lkdtm: trying to clear SMEP with call gadget # [ 35.828957] 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 # [ 35.932756] lkdtm: Performing direct entry DOUBLE_FAULT # [ 35.939441] lkdtm: XFAIL: this test is ia32-only # DOUBLE_FAULT: saw 'XFAIL': [SKIP] ok 15 selftests: lkdtm: DOUBLE_FAUL[ 39.970248] lkdtm: Performing direct entry EXEC_USERSPACE [ 39.981816] lkdtm: attempting ok execution at ffffffffb2d79910 [ 39.988351] lkdtm: attempting bad execution at 00007fec9be9a000 [ 39.995002] unable to execute userspace code (SMEP?) (uid: 0) T.sh # SKIP # selftests: lkdtm: CORRUPT_PAC.sh # [ 36.035687[ 40.001427] BUG: unable to handle page fault for address: 00007fec9be9a000 [ 40.015322] #PF: supervisor instruction fetch in kernel mode [ 40.021642] #PF: error_code(0x0011) - permissions violation [ 40.027862] PGD 8000000103c55067 P4D 8000000103c55067 PUD 106778067 PMD 103256067 PTE 10a58e067 [ 40.037585] Oops: 0011 [#10] SMP PTI [ 40.041573] CPU: 3 PID: 1723 Comm: cat Tainted: G D W 5.10.182-cip34 #1 [ 40.050223] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 40.057030] RIP: 0010:0x7fec9be9a000 [ 40.061008] Code: Unable to access opcode bytes at RIP 0x7fec9be99fd6. [ 40.068299] RSP: 0018:ffffb162024bfe50 EFLAGS: 00010246 [ 40.074124] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 [ 40.082093] RDX: 0000000000000000 RSI: ffff996bbad9bf70 RDI: ffff996bbad9bf70 [ 40.090065] RBP: 00007fec9be9a000 R08: 0000000000000000 R09: 0000000000000000 [ 40.098035] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f [ 40.106005] R13: ffffb162024bff10 R14: ffffb162024bff10 R15: ffff996b413d9000 [ 40.113976] FS: 00007fec9be6b580(0000) GS:ffff996bbad80000(0000) knlGS:0000000000000000 [ 40.123015] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 40.129433] CR2: 00007fec9be9a000 CR3: 000000010447e006 CR4: 00000000003706e0 [ 40.137404] Call Trace: [ 40.140135] ? __die_body.cold+0x1a/0x1f [ 40.144513] ? no_context+0x177/0x380 [ 40.148600] ? exc_page_fault+0x53/0x170 [ 40.152978] ? asm_exc_page_fault+0x1e/0x30 [ 40.157670] ? lkdtm_EXEC_USERSPACE.cold+0x66/0xae ] lkdtm: Performing direct entry CORRUPT_PAC # [ 36.043556] l[ 40.163028] ? direct_entry.cold+0x2c/0x38 [ 40.173814] ? full_proxy_write+0x53/0x80 [ 40.178290] ? vfs_write+0xe7/0x3b0 [ 40.182182] ? ksys_write+0x68/0xf0 [ 40.186075] ? do_syscall_64+0x30/0x40 [ 40.190250] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 kdtm: XFAIL: this test is arm64-only # CORRUPT_PAC: saw 'XFAIL'[ 40.196088] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub cros_usbpd_logger uvcvideo cros_usbpd_charger videobuf2_vmalloc snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table [ 40.254799] CR2: 00007fec9be9a000 [ 40.258496] ---[ end trace 04bede4d306f3cec ]--- [ 40.263672] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 40.268050] Code: 89 ff e8 3e e6 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 56 e9 02 [ 40.289036] RSP: 0018:ffffb16201367e60 EFLAGS: 00010282 [ 40.294870] RAX: ffffffffb2d79540 RBX: 0000000000000001 RCX: 0000000000000000 [ 40.302841] RDX: 0000000000000000 RSI: ffff996bbad9bf70 RDI: ffffffffb3d7e850 [ 40.310811] RBP: ffffffffb425dc18 R08: 0000000000000001 R09: 0000000000000001 [ 40.318783] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 40.326753] R13: ffffb16201367f10 R14: ffffb16201367f10 R15: ffff996b43273000 [ 40.334729] FS: 00007fec9be6b580(0000) GS:ffff996bbad80000(0000) knlGS:0000000000000000 [ 40.343766] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 40.350182] CR2: 00007fec9be9a000 CR3: 000000010447e006 CR4: 00000000003706e0 [ 40.358154] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 40.368067] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1723, name: cat [ 40.376522] INFO: lockdep is turned off. [ 40.380900] irq event stamp: 0 [ 40.384306] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 40.391305] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 [ 40.400443] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 [ 40.409580] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 40.416580] CPU: 3 PID: 1723 Comm: cat Tainted: G D W 5.10.182-cip34 #1 [ 40.425232] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 40.432037] Call Trace: [ 40.434765] dump_stack+0x77/0x9b [ 40.438463] ___might_sleep.cold+0xa6/0xb6 [ 40.443036] exit_signals+0x1c/0x300 [ 40.447025] do_exit+0xc2/0xab0 [ 40.450522] ? ksys_write+0x68/0xf0 [ 40.454416] make_task_dead+0x2f/0x30 [ 40.458502] rewind_stack_and_make_dead+0x17/0x20 [ 40.463753] RIP: 0033:0x7fec9bd81473 [ 40.467741] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 40.488730] RSP: 002b:00007ffe04a1aa28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 40.497188] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 00007fec9bd81473 [ 40.505158] RDX: 000000000000000f RSI: 00007fec9bc75000 RDI: 0000000000000001 [ 40.513129] RBP: 00007fec9bc75000 R08: 00007fec9bc74010 R09: 0000000000000000 [ 40.521098] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 40.529069] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 : [SKIP] ok 16 selftests: lkdtm: CORRUPT_PAC.sh # SKIP # selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh # [ 36.130454] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 36.143068] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # UNALIGNED_LOAD_STORE_WRITE: saw 'XFAIL': [SKIP] ok 17 selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh # SKIP # selftests: lkdtm: OVERWRITE_ALLOCATION.sh # Skipping OVERWRITE_ALLOCATION: Corrupts memory on failure ok 18 selftests: lkdtm: OVERWRITE_ALLOCATION.sh # SKIP # selftests: lkdtm: WRITE_AFTER_FREE.sh # Skipping WRITE_AFTER_FREE: Corrupts memory on failure ok 19 selftests: lkdtm: WRITE_AFTER_FREE.sh # SKIP # selftests: lkdtm: READ_AFTER_FREE.sh # [ 36.281817] lkdtm: Performing direct entry READ_AFTER_FREE # [ 36.293550] lkdtm: Value in memory before free: 12345678 # [ 36.305703] lkdtm: Attempting bad read from freed memory # [ 36.317851] 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_[ 40.648050] lkdtm: Performing direct entry EXEC_NULL FREE: Corrupts memory on failure ok 21 selftests: lkdtm: WRITE_[ 40.654501] lkdtm: attempting ok execution at ffffffffb2d79910 BUDDY_AFTER_FREE.sh # SKIP # selftests: lkdtm: READ_BUDDY_AFTER[ 40.667236] lkdtm: attempting bad execution at 0000000000000000 _FREE.sh # [ 36.442009] lkdtm: Performing direct entry READ_B[ 40.680090] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 40.694060] #PF: supervisor instruction fetch in kernel mode [ 40.700379] #PF: error_code(0x0010) - not-present page [ 40.706117] PGD 0 P4D 0 UDDY_AFTER_FREE # [ 36.453478] lkdtm: Value in memory before [ 40.708943] Oops: 0010 [#11] SMP PTI [ 40.719148] CPU: 1 PID: 1759 Comm: cat Tainted: G D W 5.10.182-cip34 #1 [ 40.727800] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 40.734608] RIP: 0010:0x0 [ 40.737530] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. [ 40.745210] RSP: 0018:ffffb1620255fe48 EFLAGS: 00010246 [ 40.751034] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 40.759004] RDX: 0000000000000000 RSI: ffff996bbac9bf70 RDI: ffff996bbac9bf70 [ 40.766974] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 40.774946] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 40.782914] R13: ffffb1620255ff10 R14: ffffb1620255ff10 R15: ffff996b4411a000 [ 40.790883] FS: 00007f3f55f2b580(0000) GS:ffff996bbac80000(0000) knlGS:0000000000000000 [ 40.799922] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 40.806337] CR2: ffffffffffffffd6 CR3: 00000001067ae006 CR4: 00000000003706e0 [ 40.814306] Call Trace: fr[ee: 12345678 # [ 36.459438] lkdtm: Attempting to read from 40.817036] ? __die_body.cold+0x1a/0x1f [ 40.827632] ? no_context+0x177/0x380 freed memory # [ 36.465291] lkdtm: Buddy page was not poisone[ 40.831732] ? exc_page_fault+0x53/0x170 [ 40.842319] ? asm_exc_page_fault+0x1e/0x30 d # READ_BUDDY_AFTER_FREE: missing 'call trace:': [FAIL] not o[ 40.846992] execute_location+0x45/0x56 [ 40.857487] direct_entry.cold+0x2c/0x38 [ 40.861866] full_proxy_write+0x53/0x80 k 22 selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh # exit=1 # self[ 40.866147] vfs_write+0xe7/0x3b0 [ 40.876060] ksys_write+0x68/0xf0 [ 40.879749] do_syscall_64+0x30/0x40 [ 40.883730] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 40.889369] RIP: 0033:0x7f3f55e41473 [ 40.893358] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 40.914335] RSP: 002b:00007fffde4d6758 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 40.922792] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f3f55e41473 [ 40.930761] RDX: 000000000000000a RSI: 00007f3f55d35000 RDI: 0000000000000001 [ 40.938730] RBP: 00007f3f55d35000 R08: 00007f3f55d34010 R09: 0000000000000000 [ 40.946700] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 40.954674] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 tests: lkdtm: SLAB_FREE_DOUBLE.sh # [ 36.558858] lkdtm: Perfo[ 40.962647] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub cros_usbpd_logger uvcvideo cros_usbpd_charger videobuf2_vmalloc snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table [ 41.021319] CR2: 0000000000000000 [ 41.025017] ---[ end trace 04bede4d306f3ced ]--- [ 41.030172] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 41.034551] Code: 89 ff e8 3e e6 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 56 e9 02 [ 41.055538] RSP: 0018:ffffb16201367e60 EFLAGS: 00010282 [ 41.061373] RAX: ffffffffb2d79540 RBX: 0000000000000001 RCX: 0000000000000000 [ 41.069336] RDX: 0000000000000000 RSI: ffff996bbad9bf70 RDI: ffffffffb3d7e850 [ 41.077306] RBP: ffffffffb425dc18 R08: 0000000000000001 R09: 0000000000000001 [ 41.085276] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 41.093245] R13: ffffb16201367f10 R14: ffffb16201367f10 R15: ffff996b43273000 [ 41.101216] FS: 00007f3f55f2b580(0000) GS:ffff996bbac80000(0000) knlGS:0000000000000000 [ 41.110255] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.116676] CR2: ffffffffffffffd6 CR3: 00000001067ae006 CR4: 00000000003706e0 rming direct entry SLAB_FREE_DOUBLE # [ 36.569789] 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 # [ 36.662982] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 36.674544] lkdtm: Attempting cross-cache slab free ... # SLAB_FREE_CROSS: missing 'call trace:': [FAIL] not ok 24 selftests: lkdtm: SLAB_FREE_CROSS.sh # exit=1 # selftests: lkdtm: SLAB_FREE_PAGE.sh # [ 36.764785] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 36.773389] 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 # [ 3[ 41.243115] lkdtm: Performing direct entry ACCESS_USERSPACE [ 41.255210] lkdtm: attempting bad read at 00007fa835e4b000 [ 41.261376] BUG: unable to handle page fault for address: 00007fa835e4b000 6.973339] lkdtm: Performing direct entry EXEC_DATA # [ 36.983[ 41.269063] #PF: supervisor read access in kernel mode [ 41.281012] #PF: error_code(0x0001) - permissions violation 40[7] lkdtm: attempting ok execution at ffffffffb2d79910 # [ 3 41.287235] PGD 800000010674d067 P4D 800000010674d067 PUD 1047d2067 PMD 104998067 PTE 10aef2067 [ 41.303176] Oops: 0001 [#12] SMP PTI [ 41.307165] CPU: 2 PID: 1794 Comm: cat Tainted: G D W 5.10.182-cip34 #1 [ 41.315817] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 41.322626] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 [ 41.328850] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 48 a6 1f b4 e8 ef d7 fb ff 48 c7 c7 70 a6 1f b4 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 d6 d7 fb ff 48 89 ee 48 c7 c7 98 a6 1f [ 41.349834] RSP: 0018:ffffb162025e7e48 EFLAGS: 00010246 [ 41.355674] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 [ 41.363646] RDX: 0000000000000000 RSI: ffff996bbad1bf70 RDI: ffffffffb41fa670 [ 41.371615] RBP: 00007fa835e4b000 R08: 0000000000000000 R09: 0000000000000000 [ 41.379585] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 [ 41.387554] R13: ffffb162025e7f10 R14: ffffb162025e7f10 R15: ffff996b46478000 [ 41.395526] FS: 00007fa835e1c580(0000) GS:ffff996bbad00000(0000) knlGS:0000000000000000 [ 41.404565] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.410982] CR2: 00007fa835e4b000 CR3: 0000000102716005 CR4: 00000000003706e0 [ 41.418951] Call Trace: [ 41.421682] ? __die_body.cold+0x1a/0x1f [ 41.426060] ? no_context+0x177/0x380 [ 41.430139] ? exc_page_fault+0x53/0x170 [ 41.434517] ? asm_exc_page_fault+0x1e/0x30 [ 41.439180] ? lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 [ 41.444724] ? lkdtm_ACCESS_USERSPACE.cold+0x35/0xa3 [ 41.450267] direct_entry.cold+0x2c/0x38 [ 41.454648] full_proxy_write+0x53/0x80 [ 41.458927] vfs_write+0xe7/0x3b0 [ 41.462625] ksys_write+0x68/0xf0 [ 41.466323] do_syscall_64+0x30/0x40 [ 41.470313] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 41.475952] RIP: 0033:0x7fa835d32473 [ 41.479941] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 41.500929] RSP: 002b:00007ffd9364d0b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 41.509378] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007fa835d32473 [ 41.517349] RDX: 0000000000000011 RSI: 00007fa835c26000 RDI: 0000000000000001 [ 41.525319] RBP: 00007fa835c26000 R08: 00007fa835c25010 R09: 0000000000000000 [ 41.533289] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 41.541258] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 6.996139] lkdtm: attempting bad execution at ffffffffb5c0ebe0 #[ 41.549232] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub cros_usbpd_logger uvcvideo cros_usbpd_charger videobuf2_vmalloc snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table [ 41.607945] CR2: 00007fa835e4b000 [ 41.611634] ---[ end trace 04bede4d306f3cee ]--- [ 41.616789] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 41.621166] Code: 89 ff e8 3e e6 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 56 e9 02 [ 41.642154] RSP: 0018:ffffb16201367e60 EFLAGS: 00010282 [ 41.647989] RAX: ffffffffb2d79540 RBX: 0000000000000001 RCX: 0000000000000000 [ 41.655960] RDX: 0000000000000000 RSI: ffff996bbad9bf70 RDI: ffffffffb3d7e850 [ 41.663929] RBP: ffffffffb425dc18 R08: 0000000000000001 R09: 0000000000000001 [ 41.671899] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 41.679868] R13: ffffb16201367f10 R14: ffffb16201367f10 R15: ffff996b43273000 [ 41.687838] FS: 00007fa835e1c580(0000) GS:ffff996bbad00000(0000) knlGS:0000000000000000 [ 41.696877] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.703292] CR2: 00007fa835e4b000 CR3: 0000000102716005 CR4: 00000000003706e0 [ 41.711264] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 41.721179] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1794, name: cat [ 41.729636] INFO: lockdep is turned off. [ 41.734011] irq event stamp: 0 [ 41.737417] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 41.744416] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 [ 41.753551] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 [ 41.762688] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 41.769689] CPU: 2 PID: 1794 Comm: cat Tainted: G D W 5.10.182-cip34 #1 [ 41.778339] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 41.785142] Call Trace: [ 41.787869] dump_stack+0x77/0x9b [ 41.791567] ___might_sleep.cold+0xa6/0xb6 [ 41.796141] exit_signals+0x1c/0x300 [ 41.800129] do_exit+0xc2/0xab0 [ 41.803632] ? ksys_write+0x68/0xf0 [ 41.807524] make_task_dead+0x2f/0x30 [ 41.811610] rewind_stack_and_make_dead+0x17/0x20 [ 41.816860] RIP: 0033:0x7fa835d32473 [ 41.820849] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 41.841834] RSP: 002b:00007ffd9364d0b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 41.850290] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007fa835d32473 [ 41.858258] RDX: 0000000000000011 RSI: 00007fa835c26000 RDI: 0000000000000001 [ 41.866228] RBP: 00007fa835c26000 R08: 00007fa835c25010 R09: 0000000000000000 [ 41.874198] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 41.882168] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 37.008973] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 37.023542] BUG: unable to handle page fault for address: ffffffffb5c0ebe0 # [ 37.031220] #PF: supervisor instruction fetch in kernel mode # [ 37.037539] #PF: error_code(0x0011) - permissions violation # [ 37.043762] PGD 115e29067 P4D 115e29067 PUD 115e2a063 PMD 80000001176000e3 # [ 37.051544] Oops: 0011 [#5] SMP PTI # [ 37.061668] CPU: 1 PID: 1543 Comm: cat Tainted: G D W 5.10.182-cip34 #1 # [ 37.070326] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 37.083350] RIP: 0010:data_area+0x0/0x40 # [ 37.087729] Code: ff ff 00 58 ad 44 6b 99 ff ff 00 57 ad 44 6b 99 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 # [ 37.114928] RSP: 0018:ffffb162021d7e48 EFLAGS: 00010246 # [ 37.120754] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 37.128732] RDX: 0000000000000000 RSI: ffff996bbac9bf70 RDI: ffff996bbac9bf70 # [ 37.136702] RBP: ffffffffb5c0ebe0 R08: 0000000000000000 R09: 0000000000000000 # [ 37.144674] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 37.152646] R13: ffffb162021d7f10 R14: ffffb162021d7f10 R15: ffff996b43da3000 # [ 37.160642] FS: 00007f35b40c0580(0000) GS:ffff996bbac80000(0000) knlGS:0000000000000000 # [ 37.169680] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 37.176097] CR2: ffffffffb5c0ebe0 CR3: 0000000103c44004 CR4: 00000000003706e0 # [ 37.184068] Call Trace: # [ 37.186799] ? __die_body.cold+0x1a/0x1f # [ 37.191180] ? no_context+0x177/0x380 # [ 37.201481] ? exc_page_fault+0xd7/0x170 # [ 37.205860] ? asm_exc_page_fault+0x1e/0x30 # [ 37.216749] ? execute_location+0x45/0x56 # [ 37.227441] ? direct_entry.cold+0x2c/0x38 # [ 37.232016] ? ful[ 42.075789] lkdtm: Performing direct entry ACCESS_NULL l_proxy_write+0x53/0x80 # [ 37.236494] ? vfs_write+0xe7/0x3b[ 42.082360] lkdtm: attempting bad read at 0000000000000000 0 # [ 37.240388] ? ksys_write+0x68/0xf0 # [ 37.244280] ?[ 42.094729] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 42.108729] #PF: supervisor read access in kernel mode do_syscall_64+0x30/0x40 # [ 37.248454] ? entry_SYSCALL_64_a[ 42.114474] #PF: error_code(0x0000) - not-present page [ 42.126428] PGD 0 P4D 0 [ 42.129253] Oops: 0000 [#13] SMP PTI [ 42.133232] CPU: 1 PID: 1829 Comm: cat Tainted: G D W 5.10.182-cip34 #1 [ 42.141885] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 42.148695] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 fter_hwframe+0x61/0xc6 # [ 37.254291] Modules linked in: fuse[ 42.153948] Code: 93 d7 fb ff be 00 10 00 00 48 89 ef e8 35 65 0f ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 48 a6 1f b4 e8 6d d7 fb ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 70 a6 1f b4 48 01 [ 42.181148] RSP: 0018:ffffb1620266fe58 EFLAGS: 00010246 [ 42.186983] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 [ 42.194952] RDX: 0000000000000000 RSI: ffff996bbac9bf70 RDI: ffff996bbac9bf70 [ 42.202922] RBP: ffffffffb41f9739 R08: 0000000000000000 R09: 0000000000000000 [ 42.210892] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 42.218861] R13: ffffb1620266ff10 R14: ffffb1620266ff10 R15: ffff996b43254000 [ 42.226831] FS: 00007f95c20db580(0000) GS:ffff996bbac80000(0000) knlGS:0000000000000000 [ 42.235869] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.242284] CR2: 0000000000000000 CR3: 0000000102702005 CR4: 00000000003706e0 [ 42.250255] Call Trace: [ 42.252984] ? __die_body.cold+0x1a/0x1f ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_cor[ 42.257363] ? no_context+0x177/0x380 [ 42.267679] ? exc_page_fault+0x53/0x170 e industrialio_triggered_buffer kfifo_buf industrialio snd_soc_d[ 42.272057] ? asm_exc_page_fault+0x1e/0x30 [ 42.282942] ? lkdtm_ACCESS_NULL+0x14/0x53 a7219 cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_cha[ 42.287515] ? lkdtm_ACCESS_NULL+0x14/0x53 [ 42.298301] direct_entry.cold+0x2c/0x38 [ 42.302680] full_proxy_write+0x53/0x80 rdev cros_ec_sensorhub cros_usbpd_logger uvcvideo cros_usbpd_cha[ 42.306964] vfs_write+0xe7/0x3b0 [ 42.316875] ksys_write+0x68/0xf0 [ 42.320566] do_syscall_64+0x30/0x40 [ 42.324555] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 42.330196] RIP: 0033:0x7f95c1ff1473 [ 42.334184] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 42.355170] RSP: 002b:00007ffdc50b6e18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 42.363617] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f95c1ff1473 [ 42.371588] RDX: 000000000000000c RSI: 00007f95c1ee5000 RDI: 0000000000000001 [ 42.379557] RBP: 00007f95c1ee5000 R08: 00007f95c1ee4010 R09: 0000000000000000 [ 42.387528] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 42.395497] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 rger videobuf2_vmalloc snd_soc_core videobuf2_memops videobuf2_v[ 42.403470] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub cros_usbpd_logger uvcvideo cros_usbpd_charger videobuf2_vmalloc snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table [ 42.462142] CR2: 0000000000000000 [ 42.465831] ---[ end trace 04bede4d306f3cef ]--- [ 42.470987] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 42.475365] Code: 89 ff e8 3e e6 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 56 e9 02 [ 42.496349] RSP: 0018:ffffb16201367e60 EFLAGS: 00010282 [ 42.502184] RAX: ffffffffb2d79540 RBX: 0000000000000001 RCX: 0000000000000000 [ 42.510153] RDX: 0000000000000000 RSI: ffff996bbad9bf70 RDI: ffffffffb3d7e850 [ 42.518123] RBP: ffffffffb425dc18 R08: 0000000000000001 R09: 0000000000000001 [ 42.526092] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 42.534060] R13: ffffb16201367f10 R14: ffffb16201367f10 R15: ffff996b43273000 [ 42.542031] FS: 00007f95c20db580(0000) GS:ffff996bbac80000(0000) knlGS:0000000000000000 [ 42.551062] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.557476] CR2: 0000000000000000 CR3: 0000000102702005 CR4: 00000000003706e0 [ 42.565446] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 42.575359] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1829, name: cat [ 42.583817] INFO: lockdep is turned off. [ 42.588193] irq event stamp: 0 [ 42.591599] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 42.598599] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 [ 42.607735] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 [ 42.616870] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 42.623871] CPU: 1 PID: 1829 Comm: cat Tainted: G D W 5.10.182-cip34 #1 [ 42.632511] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 42.639316] Call Trace: [ 42.642043] dump_stack+0x77/0x9b [ 42.645741] ___might_sleep.cold+0xa6/0xb6 [ 42.650314] exit_signals+0x1c/0x300 [ 42.654304] do_exit+0xc2/0xab0 [ 42.657798] ? ksys_write+0x68/0xf0 [ 42.661692] make_task_dead+0x2f/0x30 [ 42.665780] rewind_stack_and_make_dead+0x17/0x20 [ 42.671031] RIP: 0033:0x7f95c1ff1473 [ 42.675020] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 42.695998] RSP: 002b:00007ffdc50b6e18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 42.704448] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f95c1ff1473 [ 42.712418] RDX: 000000000000000c RSI: 00007f95c1ee5000 RDI: 0000000000000001 [ 42.720387] RBP: 00007f95c1ee5000 R08: 00007f95c1ee4010 R09: 0000000000000000 [ 42.728356] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 42.736325] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 37.312963] CR2: ffffffffb5c0ebe0 # [ 37.316678] ---[ end trace 04bede4d306f3ce7 ]--- # [ 37.321833] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 37.326212] Code: 89 ff e8 3e e6 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 56 e9 02 # [ 37.347199] RSP: 0018:ffffb16201367e60 EFLAGS: 00010282 # [ 37.353025] RAX: ffffffffb2d79540 RBX: 0000000000000001 RCX: 0000000000000000 # [ 37.360997] RDX: 0000000000000000 RSI: ffff996bbad9bf70 RDI: ffffffffb3d7e850 # [ 37.368967] RBP: ffffffffb425dc18 R08: 0000000000000001 R09: 0000000000000001 # [ 37.376937] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 37.384908] R13: ffffb16201367f10 R14: ffffb16201367f10 R15: ffff996b43273000 # [ 37.392879] FS: 00007f35b40c0580(0000) GS:ffff996bbac80000(0000) knlGS:0000000000000000 # [ 37.401918] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 37.408335] CR2: ffffffffb5c0ebe0 CR3: 0000000103c44004 CR4: 00000000003706e0 # [ 37.[ 42.866508] lkdtm: Performing direct entry WRITE_RO 416307] BUG: sleeping function called from invalid context at in[ 42.874064] lkdtm: attempting bad rodata write at ffffffffb3d7ecd0 clude/linux/percpu-rwsem.h:49 # [ 37.426220] in_atomic(): 0, [ 42.887220] BUG: unable to handle page fault for address: ffffffffb3d7ecd0 [ 42.901069] #PF: supervisor write access in kernel mode [ 42.906903] #PF: error_code(0x0003) - permissions violation [ 42.913125] PGD 115e29067 P4D 115e29067 PUD 115e2a063 PMD 80000001156000e1 [ 42.920909] Oops: 0003 [#14] SMP PTI [ 42.924897] CPU: 0 PID: 1864 Comm: cat Tainted: G D W 5.10.182-cip34 #1 [ 42.933547] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 42.940357] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a [ 42.945315] Code: 00 48 c7 c7 28 a5 1f b4 48 c7 c6 d0 ec d7 b3 e8 17 da fb ff 48 8b 05 4f 06 97 00 ba 34 12 cd ab 48 c7 c7 58 a5 1f b4 48 31 d0 <48> 89 05 39 06 97 00 e9 f5 d9 fb ff 0f 1f 44 00 00 48 8b 05 88 fc [ 42.966293] RSP: 0018:ffffb1620271fe60 EFLAGS: 00010202 [ 42.972128] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 [ 42.980096] RDX: 00000000abcd1234 RSI: ffff996bbac1bf70 RDI: ffffffffb41fa558 [ 42.988065] RBP: ffffffffb41f9745 R08: 0000000000000000 R09: 0000000000000000 [ 42.996036] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 [ 43.004009] R13: ffffb1620271ff10 R14: ffffb1620271ff10 R15: ffff996b426d2000 [ 43.011979] FS: 00007f51aa7a2580(0000) GS:ffff996bbac00000(0000) knlGS:0000000000000000 [ 43.021017] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.027435] CR2: ffffffffb3d7ecd0 CR3: 00000001027b6004 CR4: 00000000003706f0 [ 43.035406] Call Trace: [ 43.038137] ? __die_body.cold+0x1a/0x1f [ 43.042514] ? no_context+0x177/0x380 [ 43.046603] ? exc_page_fault+0xd7/0x170 [ 43.050988] ? asm_exc_page_fault+0x1e/0x30 [ 43.055679] ? lkdtm_WRITE_RO+0x2e/0x3a [ 43.059961] direct_entry.cold+0x2c/0x38 [ 43.064342] full_proxy_write+0x53/0x80 [ 43.068630] vfs_write+0xe7/0x3b0 [ 43.072335] ksys_write+0x68/0xf0 [ 43.076034] do_syscall_64+0x30/0x40 [ 43.080025] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 43.085666] RIP: 0033:0x7f51aa6b8473 [ 43.089654] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 43.110641] RSP: 002b:00007ffe87786718 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 43.119099] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f51aa6b8473 [ 43.127070] RDX: 0000000000000009 RSI: 00007f51aa5ac000 RDI: 0000000000000001 [ 43.135040] RBP: 00007f51aa5ac000 R08: 00007f51aa5ab010 R09: 0000000000000000 [ 43.143012] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 43.150982] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 43.158956] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub cros_usbpd_logger uvcvideo cros_usbpd_charger videobuf2_vmalloc snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table [ 43.211447] CR2: ffffffffb3d7ecd0 [ 43.215146] ---[ end trace 04bede4d306f3cf0 ]--- [ 43.220302] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 43.224685] Code: 89 ff e8 3e e6 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 56 e9 02 [ 43.245672] RSP: 0018:ffffb16201367e60 EFLAGS: 00010282 [ 43.251506] RAX: ffffffffb2d79540 RBX: 0000000000000001 RCX: 0000000000000000 [ 43.259476] RDX: 0000000000000000 RSI: ffff996bbad9bf70 RDI: ffffffffb3d7e850 [ 43.267445] RBP: ffffffffb425dc18 R08: 0000000000000001 R09: 0000000000000001 [ 43.275414] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 43.283383] R13: ffffb16201367f10 R14: ffffb16201367f10 R15: ffff996b43273000 [ 43.291355] FS: 00007f51aa7a2580(0000) GS:ffff996bbac00000(0000) knlGS:0000000000000000 [ 43.300386] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.306803] CR2: ffffffffb3d7ecd0 CR3: 00000001027b6004 CR4: 00000000003706f0 irqs_disabled(): 1, non_block: 0, pid: 1543, name: cat # [ 37.434677] INFO: lockdep is turned off. # [ 37.439055] irq event stamp: 0 # [ 37.442461] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 37.449461] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 37.458599] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 37.467734] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 37.474734] CPU: 1 PID: 1543 Comm: cat Tainted: G D W 5.10.182-cip34 #1 # [ 37.483384] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 37.490190] Call Trace: # [ 37.492919] dump_stack+0x77/0x9b # [ 37.496619] ___might_sleep.cold+0xa6/0xb6 # [ 37.507405] exit_signals+0x1c/0x300 # [ 37.511397] do_exit+0xc2/0xab0 # [ 37.514902] ? ksys_write+0x68/0xf0 # [ 37.518785] make_task_dead+0x2f/0x30 # [ 37.522864] rewind_stack_and_make_dead+0x17/0x20 # [ 37.528115] RIP: 0033:0x7f35b3fd6473 # [ 37.532104] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 37.553082] RSP: 002b:00007ffd431630f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 37.561540] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f35b3fd6473 # [ 37.569502] RDX: 000000000000000a RSI: 00007f35b3eca000 RDI: 0000000000000001 # [ 37.577472] RBP: 00007f35b3eca000 R08: 00007f35b3ec9010 R09: 0000000000000000 # [ 37.585443] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 37.593413] 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 # [ 37.702940] lkdtm: Performing direct entry EXEC_STACK # [ 37.712690] lkdtm: attempting ok execution at ffffffffb2d79910 # [ 37.719208] lkdtm: attempting bad execution at ffffb162022cfe18 # [ 37.725843] kernel tried to execut[ 43.519157] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT [ 43.526408] lkdtm: attempting bad ro_after_init write at ffffffffb427e330 [ 43.534009] BUG: unable to handle page fault for address: ffffffffb427e330 [ 43.541697] #PF: supervisor write access in kernel mode [ 43.547533] #PF: error_code(0x0003) - permissions violation [ 43.553746] PGD 115e29067 P4D 115e29067 PUD 115e2a063 PMD 10593e063 PTE 8000000115c7e061 [ 43.562788] Oops: 0003 [#15] SMP PTI [ 43.566776] CPU: 2 PID: 1899 Comm: cat Tainted: G D W 5.10.182-cip34 #1 [ 43.575426] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 43.582235] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a [ 43.588262] Code: a5 1f b4 e9 c9 d9 fb ff 48 c7 c7 b0 a5 1f b4 e8 bd d9 fb ff 48 8b 05 55 fc e6 00 ba 34 12 cd ab 48 c7 c7 58 a5 1f b4 48 31 d0 <48> 89 05 3f fc e6 00 e9 9b d9 fb ff 0f 1f 44 00 00 41 54 48 c7 c7 [ 43.609246] RSP: 0018:ffffb1620279fe60 EFLAGS: 00010202 [ 43.615080] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 [ 43.623050] RDX: 00000000abcd1234 RSI: ffff996bbad1bf70 RDI: ffffffffb41fa558 [ 43.631018] RBP: ffffffffb41f974e R08: 0000000000000000 R09: 0000000000000000 [ 43.638989] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 [ 43.646959] R13: ffffb1620279ff10 R14: ffffb1620279ff10 R15: ffff996b43f59000 [ 43.654930] FS: 00007f53ae261580(0000) GS:ffff996bbad00000(0000) knlGS:0000000000000000 [ 43.663967] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.670383] CR2: ffffffffb427e330 CR3: 00000001026ee005 CR4: 00000000003706e0 [ 43.678355] Call Trace: [ 43.681083] ? __die_body.cold+0x1a/0x1f [ 43.685463] ? no_context+0x177/0x380 [ 43.689550] ? exc_page_fault+0xd7/0x170 [ 43.693928] ? asm_exc_page_fault+0x1e/0x30 [ 43.698600] ? lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a [ 43.703950] direct_entry.cold+0x2c/0x38 [ 43.708328] full_proxy_write+0x53/0x80 [ 43.712610] vfs_write+0xe7/0x3b0 [ 43.716308] ksys_write+0x68/0xf0 [ 43.720007] do_syscall_64+0x30/0x40 [ 43.723994] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 43.729633] RIP: 0033:0x7f53ae177473 [ 43.733622] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 43.754610] RSP: 002b:00007fff33864908 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 43.763066] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f53ae177473 [ 43.771037] RDX: 0000000000000014 RSI: 00007f53ae06b000 RDI: 0000000000000001 [ 43.779006] RBP: 00007f53ae06b000 R08: 00007f53ae06a010 R09: 0000000000000000 [ 43.786976] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 43.794945] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 e NX-protected page - exploit attempt? (uid: 0) # [ 37.734211[ 43.802920] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub cros_usbpd_logger uvcvideo cros_usbpd_charger videobuf2_vmalloc snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table [ 43.861631] CR2: ffffffffb427e330 [ 43.865329] ---[ end trace 04bede4d306f3cf1 ]--- [ 43.870486] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 43.874863] Code: 89 ff e8 3e e6 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 56 e9 02 [ 43.895851] RSP: 0018:ffffb16201367e60 EFLAGS: 00010282 [ 43.901685] RAX: ffffffffb2d79540 RBX: 0000000000000001 RCX: 0000000000000000 [ 43.909677] RDX: 0000000000000000 RSI: ffff996bbad9bf70 RDI: ffffffffb3d7e850 [ 43.917647] RBP: ffffffffb425dc18 R08: 0000000000000001 R09: 0000000000000001 [ 43.925617] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 43.933589] R13: ffffb16201367f10 R14: ffffb16201367f10 R15: ffff996b43273000 [ 43.941559] FS: 00007f53ae261580(0000) GS:ffff996bbad00000(0000) knlGS:0000000000000000 [ 43.950599] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.957014] CR2: ffffffffb427e330 CR3: 00000001026ee005 CR4: 00000000003706e0 [ 43.964984] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 43.974898] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1899, name: cat [ 43.983354] INFO: lockdep is turned off. [ 43.987731] irq event stamp: 0 [ 43.991137] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 43.998136] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 [ 44.007271] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 [ 44.016407] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 44.023407] CPU: 2 PID: 1899 Comm: cat Tainted: G D W 5.10.182-cip34 #1 [ 44.032055] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 44.038860] Call Trace: [ 44.041588] dump_stack+0x77/0x9b [ 44.045286] ___might_sleep.cold+0xa6/0xb6 [ 44.049858] exit_signals+0x1c/0x300 [ 44.053839] do_exit+0xc2/0xab0 [ 44.057342] ? ksys_write+0x68/0xf0 [ 44.061235] make_task_dead+0x2f/0x30 [ 44.065321] rewind_stack_and_make_dead+0x17/0x20 [ 44.070571] RIP: 0033:0x7f53ae177473 [ 44.074559] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 44.095545] RSP: 002b:00007fff33864908 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 44.104002] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f53ae177473 [ 44.111972] RDX: 0000000000000014 RSI: 00007f53ae06b000 RDI: 0000000000000001 [ 44.119944] RBP: 00007f53ae06b000 R08: 00007f53ae06a010 R09: 0000000000000000 [ 44.127914] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 44.135882] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ] BUG: unable to handle page fault for address: ffffb162022cfe18 # [ 37.748107] #PF: supervisor instruction fetch in kernel mode # [ 37.754420] #PF: error_code(0x0011) - permissions violation # [ 37.760644] PGD 100000067 P4D 100000067 PUD 100231067 PMD 10412c067 PTE 8000000103f66063 # [ 37.775908] Oops: 0011 [#6] SMP PTI # [ 37.779801] CPU: 2 PID: 1579 Comm: cat Tainted: G D W 5.10.182-cip34 #1 # [ 37.788453] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 37.801476] RIP: 0010:0xffffb162022cfe18 # [ 37.805854] Code: 00 00 18 fe 2c 02 62 b1 ff ff 51 e6 40 b3 ff ff ff ff 20 00 00 00 00 00 00 00 de 96 1f b4 ff ff ff ff 80 e7 40 b3 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 # [ 37.826832] RSP: 0018:ffffb162022cfdf8 EFLAGS: 00010246 # [ 37.832680] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 37.840674] RDX: 0000000000000000 RSI: ffff996bbad1bf70 RDI: ffff996bbad1bf70 # [ 37.848643] RBP: ffffb162022cfe18 R08: 0000000000000000 R09: 0000000000000000 # [ 37.856614] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 37.864585] R13: ffffb162022cff10 R14: ffffb162022cff10 R15: ffff996b42ad9000 # [ 37.872554] FS: 00007f6268512580(0000) GS:ffff996bbad00000(0000) knlGS:0000000000000000 # [ 37.881593] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 37.888008] CR2: ffffb162022cfe18 CR3: 00000001026ea001 CR[ 44.280630] lkdtm: Performing direct entry WRITE_KERN 4: 00000000003706e0 # [ 37.895977] Call Trace: # [ 37.8987[ 44.292518] lkdtm: attempting bad 6900971 byte write at ffffffffb340e5fb 20] ? __die_body.cold+0x1a/0x1f # [ 37.903131] ? no_context[ 44.306206] BUG: unable to handle page fault for address: ffffffffb340e5fb [ 44.320085] #PF: supervisor write access in kernel mode +0x177/0x380 # [ 37.907219] ? exc_page_fault+0xd7/0x170 # [[ 44.325920] #PF: error_code(0x0003) - permissions violation [ 37.911598] ? asm_exc_page_fault+0x1e/0x30 # [ 37.916273] 44.338357] PGD 115e29067 P4D 115e29067 PUD 115e2a063 PMD 114e000e1 [ 44.351676] Oops: 0003 [#16] SMP PTI [ 44.355659] CPU: 1 PID: 1934 Comm: cat Tainted: G D W 5.10.182-cip34 #1 [ 44.364309] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 44.371118] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e ? execute_location+0x45/0x56 # [ 37.920747] ? lkdtm_EXEC_ST[ 44.376275] Code: 53 48 c7 c3 fb e5 40 b3 49 89 dc 48 89 da 49 81 ec 10 99 d7 b2 4c 89 e6 e8 70 d9 fb ff 48 89 df 4c 89 e1 48 c7 c6 10 99 d7 b2 a4 48 c7 c7 58 a5 1f b4 e8 55 d9 fb ff 5b 41 5c e9 b7 fe ff ff [ 44.403475] RSP: 0018:ffffb162027d7e50 EFLAGS: 00010246 [ 44.409301] RAX: 000000000000003c RBX: ffffffffb340e5fb RCX: 0000000000694ceb [ 44.417271] RDX: 0000000000000000 RSI: ffffffffb2d79910 RDI: ffffffffb340e5fb [ 44.425240] RBP: ffffffffb41f9762 R08: 0000000000000000 R09: 0000000000000000 [ 44.433211] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000694ceb [ 44.441180] R13: ffffb162027d7f10 R14: ffffb162027d7f10 R15: ffff996b43c63000 [ 44.449151] FS: 00007f35f4033580(0000) GS:ffff996bbac80000(0000) knlGS:0000000000000000 [ 44.458188] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.464606] CR2: ffffffffb340e5fb CR3: 00000001047a8002 CR4: 00000000003706e0 [ 44.472576] Call Trace: [ 44.475307] ? __die_body.cold+0x1a/0x1f ACK+0x26/0x44 # [ 37.925213] ? direct_entry.cold+0x2c/0x38 [ 44.479689] ? no_context+0x177/0x380 [ 44.489987] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 # [ 37.929786] ? full_proxy_write+0x53/0x80 # [ 37.934262][ 44.495435] ? exc_page_fault+0xd7/0x170 [ 44.506027] ? asm_exc_page_fault+0x1e/0x30 [ 44.510697] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 [ 44.516145] ? lkdtm_SLAB_FREE_PAGE+0x40/0x40 [ 44.521008] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 [ 44.526447] ? lkdtm_WRITE_KERN+0x38/0x4e [ 44.530922] direct_entry.cold+0x2c/0x38 [ 44.535303] full_proxy_write+0x53/0x80 ? vfs_write+0xe7/0x3b0 # [ 37.938154] ? ksys_write+0x68/0x[ 44.539586] vfs_write+0xe7/0x3b0 [ 44.549496] ksys_write+0x68/0xf0 [ 44.553195] do_syscall_64+0x30/0x40 [ 44.557184] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 44.562824] RIP: 0033:0x7f35f3f49473 [ 44.566813] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 44.587801] RSP: 002b:00007ffe72302088 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 44.596259] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f35f3f49473 [ 44.604229] RDX: 000000000000000b RSI: 00007f35f3e3d000 RDI: 0000000000000001 [ 44.612199] RBP: 00007f35f3e3d000 R08: 00007f35f3e3c010 R09: 0000000000000000 [ 44.620170] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 44.628139] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 f0 # [ 37.942047] ? do_syscall_64+0x30/0x40 # [ 37.946229[ 44.636113] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub cros_usbpd_logger uvcvideo cros_usbpd_charger videobuf2_vmalloc snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table [ 44.694785] CR2: ffffffffb340e5fb [ 44.698475] ---[ end trace 04bede4d306f3cf2 ]--- [ 44.703631] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 44.708008] Code: 89 ff e8 3e e6 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 56 e9 02 [ 44.728994] RSP: 0018:ffffb16201367e60 EFLAGS: 00010282 [ 44.734827] RAX: ffffffffb2d79540 RBX: 0000000000000001 RCX: 0000000000000000 [ 44.742797] RDX: 0000000000000000 RSI: ffff996bbad9bf70 RDI: ffffffffb3d7e850 [ 44.750767] RBP: ffffffffb425dc18 R08: 0000000000000001 R09: 0000000000000001 [ 44.758738] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 44.766707] R13: ffffb16201367f10 R14: ffffb16201367f10 R15: ffff996b43273000 [ 44.774699] FS: 00007f35f4033580(0000) GS:ffff996bbac80000(0000) knlGS:0000000000000000 [ 44.783739] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.790156] CR2: ffffffffb340e5fb CR3: 00000001047a8002 CR4: 00000000003706e0 ] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 37.952065] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub cros_usbpd_logger uvcvideo cros_usbpd_charger videobuf2_vmalloc snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 38.010771] CR2: ffffb162022cfe18 # [ 38.014469] ---[ end trace 04bede4d306f3ce8 ]--- # [ 38.019625] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 38.024022] Code: 89 ff e8 3e e6 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 56 e9 02 # [ 38.045008] RSP: 0018:ffffb16201367e60 EFLAGS: 00010282 # [ 38.050842] RAX: ffffffffb2d79540 RBX: 0000000000000001 RCX: 0000000000000000 # [ 38.058814] RDX: 0000000000000000 RSI: ffff996bbad9bf70 RDI: ffffffffb3d7e850 # [ 38.066785] RBP: ffffffffb425dc18 R08: 0000000000000001 R09: 0000000000000001 # [ 38.074755] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 38.082726] R13: ffffb16201367f10 R14: ffffb16201367f10 [ 44.931533] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW R15: ffff996b43273000 # [ 38.090696] FS: 00007f6268512580(00[ 44.941667] lkdtm: attempting good refcount_inc() without overflow 00) GS:ffff996bbad00000(0000) knlGS:0000000000000000 # [ 38.0[ 44.954811] lkdtm: attempting bad refcount_inc() overflow 99733] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ [ 44.967065] ------------[ cut here ]------------ 38.106149] CR2: ffffb162022cfe18 CR3: 00000001026ea001 CR4: 0000[ 44.978441] refcount_t: saturated; leaking memory. 0000003706e0 # EXEC_STACK: saw 'call trace:': ok ok 31 selftes[ 44.990018] WARNING: CPU: 0 PID: 1969 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 ts: lkdtm: EXEC_STACK.sh # selftests: lkdtm: EXEC_KMALLOC.sh #[ 45.005652] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub cros_usbpd_logger uvcvideo cros_usbpd_charger videobuf2_vmalloc snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table Killed # [ 38.213124] lkdtm: Performing direct entry EXEC_KM[ 45.064321] CPU: 0 PID: 1969 Comm: cat Tainted: G D W 5.10.182-cip34 #1 ALLOC # [ 38.219448] lkdtm: attempting ok execution at ffffff[ 45.079146] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 ffb2d79910 # [ 38.225992] lkdtm: attempting bad execution at [ 45.092195] RIP: 0010:refcount_warn_saturate+0x51/0x110 ffff996b4670ff80 # [ 38.232641] kernel tried to execute NX-pr[ 45.104295] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 31 f3 f6 01 00 75 ee 48 c7 c7 e8 46 15 b4 c6 05 21 f3 f6 01 01 e8 26 fe c0 00 <0f> 0b c3 cc cc cc cc 80 3d 0d f3 f6 01 00 75 cb 48 c7 c7 10 47 15 otected page - exploit attempt? (uid: 0) # [ 38.241012] BUG: [ 45.131453] RSP: 0018:ffffb16202897e48 EFLAGS: 00010286 unable to handle page fault for address: ffff996b4670ff80 # [ [ 45.143555] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 38.248693] #PF: supervisor instruction fetch in kernel mode # [ 45.157727] RDX: ffff996bbac2c660 RSI: ffff996bbac1bf70 RDI: ffff996bbac1bf70 [ 38.261228] #PF: error_code(0x0011) - permissions violation [ 45.171912] RBP: ffffffffb41f976d R08: 0000000000000000 R09: 0000000000000000 # [ 38.267452] PGD 117801067 P4D 117801067 PUD 100236063 PMD 1[ 45.186104] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 05ec9063 PTE 800000010670f063 # [ 38.282733] Oops: 0011 [#7] [ 45.200295] R13: ffffb16202897f10 R14: ffffb16202897f10 R15: ffff996b44114000 SMP PTI # [ 38.286626] CPU: 3 PID: 1615 Comm: cat Tainted: G [ 45.214481] FS: 00007f19a4b1f580(0000) GS:ffff996bbac00000(0000) knlGS:0000000000000000 D W 5.10.182-cip34 #1 # [ 38.295274] Hardware na[ 45.229742] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 me: Google Rammus/Rammus, BIOS 09/04/2020 # [ 38.302081] RIP[ 45.242363] CR2: 00007f19a4929000 CR3: 00000001067d4003 CR4: 00000000003706f0 : 0010:0xffff996b4670ff80 # [ 38.306457] Code: 00 00 02 00 00[ 45.256568] Call Trace: 00 00 00 00 00 00 f8 70 46 6b 99 ff ff 04 00 00 00 00 00 00 00 [ 45.265506] ? __warn+0x80/0x110 00 00 00 00 00 00 00 00 fb ef 2f b2 ff ff ff ff <0f> 1f 44 00 00[ 45.275356] ? refcount_warn_saturate+0x51/0x110 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 # [ 38.32[ 45.286715] ? report_bug+0x9e/0xc0 7445] RSP: 0018:ffffb16202317e38 EFLAGS: 00010246 # [ 38.3332[ 45.296854] ? handle_bug+0x41/0x90 79] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 00000000000[ 45.306951] ? exc_invalid_op+0x14/0x70 00000 # [ 38.341249] RDX: 0000000000000000 RSI: ffff996bbad9b[ 45.317476] ? asm_exc_invalid_op+0x12/0x20 f70 RDI: ffff996bbad9bf70 # [ 38.349219] RBP: ffff996b4670ff8[ 45.328344] ? refcount_warn_saturate+0x51/0x110 0 R08: 0000000000000000 R09: 0000000000000000 # [ 38.357189] [ 45.339736] ? refcount_warn_saturate+0x51/0x110 R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000[ 45.351091] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 d # [ 38.365160] R13: ffffb16202317f10 R14: ffffb16202317f10 [ 45.362735] direct_entry.cold+0x2c/0x38 R15: ffff996b43bfb000 # [ 38.373130] FS: 00007f53cac60580(00[ 45.373273] full_proxy_write+0x53/0x80 00) GS:ffff996bbad80000(0000) knlGS:0000000000000000 # [ 38.3[ 45.383811] vfs_write+0xe7/0x3b0 82170] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ [ 45.393689] ksys_write+0x68/0xf0 38.388588] CR2: ffff996b4670ff80 CR3: 00000001029f2002 CR4: 0000[ 45.403650] do_syscall_64+0x30/0x40 0000003706e0 # [ 38.396558] Call Trace: # [ 38.399288] ? [ 45.413851] entry_SYSCALL_64_after_hwframe+0x61/0xc6 __die_body.cold+0x1a/0x1f # [ 38.403680] ? no_context+0x177/[ 45.425763] RIP: 0033:0x7f19a4a35473 0x380 # [ 38.407768] ? exc_page_fault+0xd7/0x170 # [ 38.4[ 45.435961] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 12146] ? asm_exc_page_fault+0x1e/0x30 # [ 38.416820] ? exec[ 45.463174] RSP: 002b:00007fff7d3ef198 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 ute_location+0x45/0x56 # [ 38.421294] ? lkdtm_EXEC_KMALLOC+0[ 45.477837] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f19a4a35473 x2c/0x40 # [ 38.425953] ? direct_entry.cold+0x2c/0x38 # [ [ 45.492030] RDX: 0000000000000016 RSI: 00007f19a4929000 RDI: 0000000000000001 38.430526] ? full_proxy_write+0x53/0x80 # [ 38.435002] ? v[ 45.506214] RBP: 00007f19a4929000 R08: 00007f19a4928010 R09: 0000000000000000 fs_write+0xe7/0x3b0 # [ 38.438886] ? ksys_write+0x68/0xf0 #[ 45.520398] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 38.442779] ? do_syscall_64+0x30/0x40 # [ 38.446952] ? [ 45.534590] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 38.452791] Modul[ 45.548796] irq event stamp: 0 es linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors c[ 45.558418] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ros_ec_sensors_core industrialio_triggered_buffer kfifo_buf indu[ 45.571648] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 strialio snd_soc_da7219 cros_ec_debugfs cros_ec_lightbar cros_ec[ 45.587004] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 _sysfs cros_ec_chardev cros_ec_sensorhub cros_usbpd_logger uvcvi[ 45.602366] softirqs last disabled at (0): [<0000000000000000>] 0x0 deo cros_usbpd_charger videobuf2_vmalloc snd_soc_core videobuf2_[ 45.615576] ---[ end trace 04bede4d306f3cf3 ]--- memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cro[ 45.626941] lkdtm: Overflow detected: saturated s_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 38.511506] CR2: ffff996b4670ff80 # [ 38.515204] ---[ end trace 04bede4d306f3ce9 ]--- # [ 38.520360] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 38.524736] Code: 89 ff e8 3e e6 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 56 e9 02 # [ 38.545726] RSP: 0018:ffffb16201367e60 EFLAGS: 00010282 # [ 38.551560] RAX: ffffffffb2d79540 RBX: 0000000000000001 RCX: 0000000000000000 # [ 38.559531] RDX: 0000000000000000 RSI: ffff996bbad9bf70 RDI: ffffffffb3d7e850 # [ 38.567504] RBP: ffffffffb425dc18 R08: 0000000000000001 R09: 0000000000000001 # [ 38.575475] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 38.583445] R13: ffffb16201367f10 R14: ffffb16201367f10 R15: ffff996b43273000 # [ 38.591415] FS: 00007f53cac60580(0000) GS:ffff996bbad80000(0000) knlGS:0000000000000000 # [ 38.600453[ 45.741185] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW ] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 38.60[ 45.750568] lkdtm: attempting good refcount_add() without overflow 6870] CR2: ffff996b4670ff80 CR3: 00000001029f2002 CR4: 000000000[ 45.763693] lkdtm: attempting bad refcount_add() overflow [ 45.775935] ------------[ cut here ]------------ 03706e0 # EXEC_KMALLOC: saw 'call trace:': ok ok 32 selftests:[ 45.781092] refcount_t: saturated; leaking memory. lkdtm: EXEC_KMALLOC.sh # selftests: lkdtm: EXEC_VMALLOC.sh # [ 45.792686] WARNING: CPU: 1 PID: 2001 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 Killed # [ 38.713699] lkdtm: Performing direct entry EXEC_VMA[ 45.808325] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub cros_usbpd_logger uvcvideo cros_usbpd_charger videobuf2_vmalloc snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table LLOC # [ 38.720189] lkdtm: attempting ok execution at fffffff[ 45.866994] CPU: 1 PID: 2001 Comm: cat Tainted: G D W 5.10.182-cip34 #1 [ 45.881862] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 fb2d79910 # [ 38.732905] lkdtm: attempting bad execution at f[ 45.888694] RIP: 0010:refcount_warn_saturate+0x51/0x110 fffb16200385000 # [ 38.745736] kernel tried to execute NX-pro[ 45.900744] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 31 f3 f6 01 00 75 ee 48 c7 c7 e8 46 15 b4 c6 05 21 f3 f6 01 01 e8 26 fe c0 00 <0f> 0b c3 cc cc cc cc 80 3d 0d f3 f6 01 00 75 cb 48 c7 c7 10 47 15 tected page - exploit attempt? (uid: 0) # [ 38.760312] BUG: u[ 45.927950] RSP: 0018:ffffb1620292fe48 EFLAGS: 00010286 nable to handle page fault for address: ffffb16200385000 # [ [ 45.940008] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 38.767991] #PF: supervisor instruction fetch in kernel mode # [[ 45.954198] RDX: ffff996bbacac660 RSI: ffff996bbac9bf70 RDI: ffff996bbac9bf70 38.774312] #PF: error_code(0x0011) - permissions violation #[ 45.968387] RBP: ffffffffb41f9783 R08: 0000000000000000 R09: 0000000000000000 [ 38.780526] PGD 100000067 P4D 100000067 PUD 100231067 PMD 10[ 45.982583] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 09be067 PTE 80000001028d4063 # [ 38.789571] Oops: 0011 [#8] S[ 45.996770] R13: ffffb1620292ff10 R14: ffffb1620292ff10 R15: ffff996b43f2c000 MP PTI # [ 38.799678] CPU: 1 PID: 1651 Comm: cat Tainted: G [ 46.010955] FS: 00007f6a37218580(0000) GS:ffff996bbac80000(0000) knlGS:0000000000000000 D W 5.10.182-cip34 #1 # [ 38.808328] Hardware nam[ 46.026214] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 e: Google Rammus/Rammus, BIOS 09/04/2020 # [ 38.815135] RIP:[ 46.038850] CR2: 00007f6a37022000 CR3: 00000001048cc003 CR4: 00000000003706e0 0010:0xffffb16200385000 # [ 38.819514] Code: Unable to acces[ 46.053043] Call Trace: s opcode bytes at RIP 0xffffb16200384fd6. # [ 38.827194] RSP:[ 46.061995] ? __warn+0x80/0x110 0018:ffffb1620225fe38 EFLAGS: 00010246 # [ 38.833029] RAX: 0[ 46.071811] ? refcount_warn_saturate+0x51/0x110 000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [[ 46.083184] ? report_bug+0x9e/0xc0 38.841001] RDX: 0000000000000000 RSI: ffff996bbac9bf70 RDI: f[ 46.093296] ? handle_bug+0x41/0x90 fff996bbac9bf70 # [ 38.848961] RBP: ffffb16200385000 R08: 000[ 46.103406] ? exc_invalid_op+0x14/0x70 0000000000000 R09: 0000000000000000 # [ 38.856932] R10: 00000[ 46.113904] ? asm_exc_invalid_op+0x12/0x20 000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 3[ 46.124795] ? refcount_warn_saturate+0x51/0x110 8.864896] R13: ffffb1620225ff10 R14: ffffb1620225ff10 R15: ffff9[ 46.136167] ? refcount_warn_saturate+0x51/0x110 96b428d4000 # [ 38.872867] FS: 00007f109ead9580(0000) GS:fff[ 46.147544] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 f996bbac80000(0000) knlGS:0000000000000000 # [ 38.881906] CS:[ 46.159114] direct_entry.cold+0x2c/0x38 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 38.888323][ 46.169730] full_proxy_write+0x53/0x80 CR2: ffffb16200384fd6 CR3: 0000000103260002 CR4: 00000000003706[ 46.180232] vfs_write+0xe7/0x3b0 e0 # [ 38.896296] Call Trace: # [ 38.899026] ? __die_body[ 46.190152] ksys_write+0x68/0xf0 .cold+0x1a/0x1f # [ 38.909623] ? no_context+0x177/0x380 # [[ 46.200067] do_syscall_64+0x30/0x40 38.913726] ? exc_page_fault+0xd7/0x170 # [ 38.924317] ? [ 46.210276] entry_SYSCALL_64_after_hwframe+0x61/0xc6 asm_exc_page_fault+0x1e/0x30 # [ 38.928994] ? execute_locati[ 46.222137] RIP: 0033:0x7f6a3712e473 on+0x45/0x56 # [ 38.939686] ? lkdtm_EXEC_VMALLOC+0x20/0x30 [ 46.232347] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 38.944355] ? direct_entry.cold+0x2c/0x38 # [ 38.948928[ 46.259553] RSP: 002b:00007fff58b1ba18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 ] ? full_proxy_write+0x53/0x80 # [ 38.953407] ? vfs_write+0[ 46.274231] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f6a3712e473 xe7/0x3b0 # [ 38.957301] ? ksys_write+0x68/0xf0 # [ 38.96[ 46.288422] RDX: 0000000000000016 RSI: 00007f6a37022000 RDI: 0000000000000001 1185] ? do_syscall_64+0x30/0x40 # [ 38.965359] ? entry_SYSC[ 46.302612] RBP: 00007f6a37022000 R08: 00007f6a37021010 R09: 0000000000000000 ALL_64_after_hwframe+0x61/0xc6 # [ 38.971196] Modules linked [ 46.316804] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sen[ 46.330993] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 sors_core industrialio_triggered_buffer kfifo_buf industrialio s[ 46.345188] irq event stamp: 0 nd_soc_da7219 cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cro[ 46.354810] hardirqs last enabled at (0): [<0000000000000000>] 0x0 s_ec_chardev cros_ec_sensorhub cros_usbpd_logger uvcvideo cros_u[ 46.368030] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 sbpd_charger videobuf2_vmalloc snd_soc_core videobuf2_memops vid[ 46.383387] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 eobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev s[ 46.398753] softirqs last disabled at (0): [<0000000000000000>] 0x0 nd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_[ 46.411970] ---[ end trace 04bede4d306f3cf4 ]--- notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 46.423342] lkdtm: Overflow detected: saturated [ 39.029876] CR2: ffffb16200385000 # [ 39.033573] ---[ end trace 04bede4d306f3cea ]--- # [ 39.038737] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 39.043106] Code: 89 ff e8 3e e6 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 56 e9 02 # [ 39.064093] RSP: 0018:ffffb16201367e60 EFLAGS: 00010282 # [ 39.069927] RAX: ffffffffb2d79540 RBX: 0000000000000001 RCX: 0000000000000000 # [ 39.077899] RDX: 0000000000000000 RSI: ffff996bbad9bf70 RDI: ffffffffb3d7e850 # [ 39.085870] RBP: ffffffffb425dc18 R08: 0000000000000001 R09: 0000000000000001 # [ 39.093840] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 39.101811] R13: ffffb16201367f10 R14: ffffb16201367f10 R15: ffff996b43273000 # [ 39.109781] FS: 00007f109ead9580(0000) GS:ffff996bbac80000(0000) knlGS:0000000000000000 # [ 39.118821] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 39.125239] CR2: ffffb16200384fd6 CR3: 0000000103260002 CR4: 00000000003706e0 #[ 46.538048] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW [ 39.133209] BUG: sleeping function called from invalid conte[ 46.548070] lkdtm: attempting bad refcount_inc_not_zero() overflow xt at include/linux/percpu-rwsem.h:49 # [ 39.143122] in_atomi[ 46.561194] ------------[ cut here ]------------ [ 46.572557] refcount_t: saturated; leaking memory. [ 46.577920] WARNING: CPU: 3 PID: 2033 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 c(): 0, irqs_disabled(): 1, non_block: 0, pid: 1651, name: cat [ 46.587358] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub cros_usbpd_logger uvcvideo cros_usbpd_charger videobuf2_vmalloc snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table [ 46.646066] CPU: 3 PID: 2033 Comm: cat Tainted: G D W 5.10.182-cip34 #1 [ 46.654741] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 46.661550] RIP: 0010:refcount_warn_saturate+0x97/0x110 [ 46.667389] Code: 01 01 e8 03 fe c0 00 0f 0b c3 cc cc cc cc 80 3d ec f2 f6 01 00 75 a8 48 c7 c7 e8 46 15 b4 c6 05 dc f2 f6 01 01 e8 e0 fd c0 00 <0f> 0b c3 cc cc cc cc 80 3d c6 f2 f6 01 00 75 85 48 c7 c7 40 47 15 [ 46.688375] RSP: 0018:ffffb1620298fe38 EFLAGS: 00010282 [ 46.694211] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 [ 46.702182] RDX: ffff996bbadac660 RSI: ffff996bbad9bf70 RDI: ffff996bbad9bf70 [ 46.710147] RBP: ffffffffb41f93c0 R08: 0000000000000000 R09: 0000000000000000 [ 46.718118] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 46.726081] R13: ffffb1620298ff10 R14: ffffb1620298ff10 R15: ffff996b46775000 [ 46.734052] FS: 00007f3a395f7580(0000) GS:ffff996bbad80000(0000) knlGS:0000000000000000 [ 46.743092] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.749508] CR2: 00007f3a39401000 CR3: 0000000104128003 CR4: 00000000003706e0 [ 46.757480] Call Trace: [ 46.760213] ? __warn+0x80/0x110 [ 46.763846] ? refcount_warn_saturate+0x97/0x110 [ 46.769003] ? report_bug+0x9e/0xc0 [ 46.772900] ? handle_bug+0x41/0x90 [ 46.776817] ? exc_invalid_op+0x14/0x70 [ 46.781100] ? asm_exc_invalid_op+0x12/0x20 [ 46.785773] ? refcount_warn_saturate+0x97/0x110 [ 46.790954] ? refcount_warn_saturate+0x97/0x110 [ 46.796111] __refcount_add_not_zero.constprop.0+0x2a/0x35 [ 46.802240] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 [ 46.808466] direct_entry.cold+0x2c/0x38 [ 46.812844] full_proxy_write+0x53/0x80 [ 46.817129] vfs_write+0xe7/0x3b0 # [ 39.151579] INFO: lockdep is turned off. # [ 39.155956] [ 46.820833] ksys_write+0x68/0xf0 [ 46.830752] do_syscall_64+0x30/0x40 [ 46.834786] entry_SYSCALL_64_after_hwframe+0x61/0xc6 irq event stamp: 0 # [ 39.159361] hardirqs last enabled at ([ 46.840439] RIP: 0033:0x7f3a3950d473 [ 46.850643] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 46.871669] RSP: 002b:00007fff92ddfa08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 0): [<0000000000000000>] 0x0 # [ 39.166360] hardirqs last dis[ 46.880136] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f3a3950d473 [ 46.894324] RDX: 000000000000001f RSI: 00007f3a39401000 RDI: 0000000000000001 abled at (0): [] copy_process+0x664/0x1c60 # [ 46.902325] RBP: 00007f3a39401000 R08: 00007f3a39400010 R09: 0000000000000000 [ 46.916507] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 46.924481] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 46.932458] irq event stamp: 0 [ 46.935890] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 46.942891] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 [ 46.952030] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 [ 46.961166] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 46.968166] ---[ end trace 04bede4d306f3cf5 ]--- [ 46.973322] lkdtm: Overflow detected: saturated [ 39.175499] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 39.184626] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 39.191626] CPU: 1 PID: 1651 Comm: cat Tainted: G D W 5.10.182-cip34 #1 # [ 39.200277] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 39.207082] Call Trace: # [ 39.209809] dump_stack+0x77/0x9b # [ 39.213509] ___might_sleep.cold+0xa6/0xb6 # [ 39.224294] exit_signals+0x1c/0x300 # [ 39.228285] do_exit+0xc2/0xab0 # [ 39.238000] ? ksys_write+0x68/0xf0 # [ 39.241895] make_task_dead+0x2f/0x30 # [ 39.245983] rewind_stack_and_make_dead+0x17/0x20 # [ 39.251233] RIP: 0033:0x7f109e9ef473 # [ 39.255213] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 39.276187] RSP: 002b:00007ffe60c964e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 39.284643] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f109e9ef473 # [ 39.292612] RDX: 000000000000000d RSI: 0[ 47.084260] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW 0007f109e8e3000 RDI: 0000000000000001 # [ 39.300580] RBP: 000[ 47.098007] lkdtm: attempting bad refcount_add_not_zero() overflow 07f109e8e3000 R08: 00007f109e8e2010 R09: 0000000000000000 # [ [ 47.111155] ------------[ cut here ]------------ 39.308548] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 000[ 47.122507] refcount_t: saturated; leaking memory. 0000000000001 # [ 39.316519] R13: 0000000000000001 R14: 00000[ 47.134090] WARNING: CPU: 0 PID: 2065 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 00000020000 R15: 0000000000020000 # EXEC_VMALLOC: saw 'call tra[ 47.149771] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub cros_usbpd_logger uvcvideo cros_usbpd_charger videobuf2_vmalloc snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table ce:': ok ok 33 selftests: lkdtm: EXEC_VMALLOC.sh # selftests: [ 47.208425] CPU: 0 PID: 2065 Comm: cat Tainted: G D W 5.10.182-cip34 #1 lkdtm: EXEC_RODATA.sh # Killed # [ 39.427983] lkdtm: Perform[ 47.223361] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 ing direct entry EXEC_RODATA # [ 39.435906] lkdtm: attempting[ 47.236376] RIP: 0010:refcount_warn_saturate+0x97/0x110 ok execution at ffffffffb2d79910 # [ 39.448657] lkdtm: attem[ 47.248420] Code: 01 01 e8 03 fe c0 00 0f 0b c3 cc cc cc cc 80 3d ec f2 f6 01 00 75 a8 48 c7 c7 e8 46 15 b4 c6 05 dc f2 f6 01 01 e8 e0 fd c0 00 <0f> 0b c3 cc cc cc cc 80 3d c6 f2 f6 01 00 75 85 48 c7 c7 40 47 15 pting bad execution at ffffffffb3d7ece0 # [ 39.461490] kernel[ 47.275620] RSP: 0018:ffffb16202a47e38 EFLAGS: 00010282 tried to execute NX-protected page - exploit attempt? (uid: 0) [ 47.287682] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 39.476061] BUG: unable to handle page fault for address: [ 47.301918] RDX: ffff996bbac2c660 RSI: ffff996bbac1bf70 RDI: ffff996bbac1bf70 ffffffffb3d7ece0 # [ 39.483744] #PF: supervisor instruction f[ 47.316085] RBP: ffffffffb41f93e0 R08: 0000000000000000 R09: 0000000000000000 etch in kernel mode # [ 39.496280] #PF: error_code(0x0011) - [ 47.330254] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f permissions violation # [ 39.502494] PGD 115e29067 P4D 115e29[ 47.344477] R13: ffffb16202a47f10 R14: ffffb16202a47f10 R15: ffff996b426de000 067 PUD 115e2a063 PMD 80000001156000e1 # [ 39.516492] Oops: [ 47.358660] FS: 00007f3c4eda1580(0000) GS:ffff996bbac00000(0000) knlGS:0000000000000000 0011 [#9] SMP PTI # [ 39.520375] CPU: 1 PID: 1687 Comm: cat T[ 47.373935] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 ainted: G D W 5.10.182-cip34 #1 # [ 39.529026] H[ 47.386568] CR2: 00007f3c4ebab000 CR3: 000000010652a006 CR4: 00000000003706f0 ardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 39.5[ 47.400777] Call Trace: 35835] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 # [ 39.5415[ 47.409715] ? __warn+0x80/0x110 75] Code: ff ff f0 fb 40 b3 ff ff ff ff 2a 99 1f b4 ff ff ff ff [ 47.419538] ? refcount_warn_saturate+0x97/0x110 36 e3 40 b3 ff ff ff ff 55 aa 55 aa 00 00 00 00 00 00 00 00 00 0[ 47.430915] ? report_bug+0x9e/0xc0 0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 54 68 [ 47.441038] ? handle_bug+0x41/0x90 69 73 20 69 # [ 39.568774] RSP: 0018:ffffb16202457e48 EFLAGS:[ 47.451137] ? exc_invalid_op+0x14/0x70 00010246 # [ 39.574609] RAX: 0000000000000033 RBX: 000000000[ 47.461664] ? asm_exc_invalid_op+0x12/0x20 0000000 RCX: 0000000000000000 # [ 39.582580] RDX: 00000000000[ 47.472519] ? refcount_warn_saturate+0x97/0x110 00000 RSI: ffff996bbac9bf70 RDI: ffff996bbac9bf70 # [ 39.5905[ 47.483889] ? refcount_warn_saturate+0x97/0x110 52] RBP: ffffffffb3d7ece0 R08: 0000000000000000 R09: 00000000000[ 47.495285] __refcount_add_not_zero.constprop.0+0x2a/0x35 00000 # [ 39.598522] R10: 00000000ffffe000 R11: 3ffffffffffff[ 47.507650] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 fff R12: 000000000000000c # [ 39.606493] R13: ffffb16202457f1[ 47.520052] direct_entry.cold+0x2c/0x38 0 R14: ffffb16202457f10 R15: ffff996b45f6b000 # [ 39.614464] [ 47.530692] full_proxy_write+0x53/0x80 FS: 00007fa464d2a580(0000) GS:ffff996bbac80000(0000) knlGS:0000[ 47.541207] vfs_write+0xe7/0x3b0 000000000000 # [ 39.623502] CS: 0010 DS: 0000 ES: 0000 CR0: [ 47.551120] ksys_write+0x68/0xf0 0000000080050033 # [ 39.629918] CR2: ffffffffb3d7ece0 CR3: 00[ 47.561058] do_syscall_64+0x30/0x40 0000010410e004 CR4: 00000000003706e0 # [ 39.637889] Call Trac[ 47.571250] entry_SYSCALL_64_after_hwframe+0x61/0xc6 e: # [ 39.640618] ? __die_body.cold+0x1a/0x1f # [ 39.6449[ 47.583107] RIP: 0033:0x7f3c4ecb7473 98] ? no_context+0x177/0x380 # [ 39.655298] ? exc_page_faul[ 47.593352] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 t+0xd7/0x170 # [ 39.659681] ? asm_exc_page_fault+0x1e/0x30 [ 47.620576] RSP: 002b:00007ffc150ac608 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 47.635234] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f3c4ecb7473 # [ 39.670569] ? execute_location+0x45/0x56 # [ 39.681259][ 47.643239] RDX: 000000000000001f RSI: 00007f3c4ebab000 RDI: 0000000000000001 ? direct_entry.cold+0x2c/0x38 # [ 39.685834] ? full_proxy_[ 47.657430] RBP: 00007f3c4ebab000 R08: 00007f3c4ebaa010 R09: 0000000000000000 [ 47.671603] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 write+0x53/0x80 # [ 39.690311] ? vfs_write+0xe7/0x3b0 # [ [ 47.679582] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 39.694205] ? ksys_write+0x68/0xf0 # [ 39.698097] ? do_sysc[ 47.693800] irq event stamp: 0 all_64+0x30/0x40 # [ 39.702281] ? entry_SYSCALL_64_after_hwf[ 47.703406] hardirqs last enabled at (0): [<0000000000000000>] 0x0 rame+0x61/0xc6 # [ 39.708110] Modules linked in: fuse ip_tabl[ 47.716660] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 es cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core indust[ 47.731997] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 [ 47.747349] softirqs last disabled at (0): [<0000000000000000>] 0x0 rialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cr[ 47.754365] ---[ end trace 04bede4d306f3cf6 ]--- os_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cro[ 47.765769] lkdtm: Overflow detected: saturated s_ec_sensorhub cros_usbpd_logger uvcvideo cros_usbpd_charger videobuf2_vmalloc snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 39.766789] CR2: ffffffffb3d7ece0 # [ 39.770480] ---[ end trace 04bede4d306f3ceb ]--- # [ 39.775637] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 39.780014] Code: 89 ff e8 3e e6 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 56 e9 02 # [ 39.801000] RSP: 0018:ffffb16201367e60 EFLAGS: 00010282 # [ 39.806834] RAX: ffffffffb2d79540 RBX: 0000000000000001 RCX: 0000000000000000 # [ 39.814805] RDX: 0000000000000000 RSI: ffff996bbad9bf70 RDI: ffffffffb3d7e850 # [ 39.822775] RBP: ffffffffb425dc18 R08: 0000000000000001 R09: 0000000000000001 # [ 39.830746] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 39.838726] R13: ffffb16201367f10 R14: ffffb16201367f10 R15: ffff996b43273000 # [ 39.846697] FS: 00007fa464d2a580(0000) GS:ffff996bbac80000(0000) knlGS:0000000000000000 # [ 39.855728] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 39.862145] CR2: ffffffffb3d7ece0 CR3: 000000010410e004 CR4: 00000000003706e0 # EXEC_RODATA: saw 'call trace:': ok ok 34 selftests: lkdtm: EXEC_RODATA.sh # selftests: lkdtm: EXEC_USERSPACE.sh # Killed # [ 39.970248] l[ 47.925616] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO [ 47.932683] lkdtm: attempting good refcount_dec() kdtm: Performing direct entry EXEC_USERSPACE # [ 39.981816] l[ 47.937947] lkdtm: attempting bad refcount_dec() to zero [ 47.950093] ------------[ cut here ]------------ [ 47.955281] refcount_t: decrement hit 0; leaking memory. [ 47.961248] WARNING: CPU: 3 PID: 2097 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 kdtm: attempting ok execution at ffffffffb2d79910 # [ 39.9883[ 47.970685] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub cros_usbpd_logger uvcvideo cros_usbpd_charger videobuf2_vmalloc snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table [ 48.029354] CPU: 3 PID: 2097 Comm: cat Tainted: G D W 5.10.182-cip34 #1 [ 48.038037] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 48.044846] RIP: 0010:refcount_warn_saturate+0xfb/0x110 [ 48.050684] Code: 98 47 15 b4 c6 05 8d f2 f6 01 01 e8 96 fd c0 00 0f 0b c3 cc cc cc cc 48 c7 c7 68 47 15 b4 c6 05 74 f2 f6 01 01 e8 7c fd c0 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b [ 48.071681] RSP: 0018:ffffb16202ac7e48 EFLAGS: 00010286 51] lkdtm: attempting bad execution at 00007fec9be9a000 # [ 3[ 48.077523] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 9.995002] unable to execute userspace code (SMEP?) (uid: 0) # [[ 48.091711] RDX: ffff996bbadac660 RSI: ffff996bbad9bf70 RDI: ffff996bbad9bf70 [ 48.105900] RBP: ffffffffb41f9799 R08: 0000000000000000 R09: 0000000000000000 [ 48.113872] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 48.121847] R13: ffffb16202ac7f10 R14: ffffb16202ac7f10 R15: ffff996b45b79000 [ 48.129820] FS: 00007f4c46a11580(0000) GS:ffff996bbad80000(0000) knlGS:0000000000000000 [ 48.138885] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 40.001427] BUG: unable to handle page fault for address: 0000[ 48.145309] CR2: 00007f4c4681b000 CR3: 00000001026f2004 CR4: 00000000003706e0 [ 48.159490] Call Trace: [ 48.162223] ? __warn+0x80/0x110 7fec9be9a000 # [ 40.015322] #PF: supervisor instruction fetch[ 48.165857] ? refcount_warn_saturate+0xfb/0x110 [ 48.177221] ? report_bug+0x9e/0xc0 [ 48.181117] ? handle_bug+0x41/0x90 [ 48.185042] ? exc_invalid_op+0x14/0x70 [ 48.189328] ? asm_exc_invalid_op+0x12/0x20 [ 48.194035] ? refcount_warn_saturate+0xfb/0x110 in kernel mode # [ 40.021642] #PF: error_code(0x0011) - perm[ 48.199221] ? refcount_warn_saturate+0xfb/0x110 [ 48.210587] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd [ 48.215555] direct_entry.cold+0x2c/0x38 [ 48.219967] full_proxy_write+0x53/0x80 [ 48.224254] vfs_write+0xe7/0x3b0 [ 48.227986] ksys_write+0x68/0xf0 [ 48.231691] do_syscall_64+0x30/0x40 [ 48.235691] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 48.241336] RIP: 0033:0x7f4c46927473 [ 48.245327] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 48.266315] RSP: 002b:00007ffe90219948 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 48.274776] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f4c46927473 [ 48.282750] RDX: 0000000000000012 RSI: 00007f4c4681b000 RDI: 0000000000000001 [ 48.290735] RBP: 00007f4c4681b000 R08: 00007f4c4681a010 R09: 0000000000000000 [ 48.298747] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 48.306733] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 48.314749] irq event stamp: 0 issions violation # [ 40.027862] PGD 8000000103c55067 P4D 800[ 48.318185] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 48.331395] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 [ 48.340533] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 [ 48.349679] softirqs last disabled at (0): [<0000000000000000>] 0x0 0000103c55067 PUD 106778067 PMD 103256067 PTE 10a58e067 # [ 4[ 48.356680] ---[ end trace 04bede4d306f3cf7 ]--- 0.037585] Oops: 0011 [#10] SMP PTI # [ 40.041573] CPU: 3 PID:[ 48.368050] lkdtm: Zero detected: saturated 1723 Comm: cat Tainted: G D W 5.10.182-cip34 #1 # [ 40.050223] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 40.057030] RIP: 0010:0x7fec9be9a000 # [ 40.061008] Code: Unable to access opcode bytes at RIP 0x7fec9be99fd6. # [ 40.068299] RSP: 0018:ffffb162024bfe50 EFLAGS: 00010246 # [ 40.074124] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 # [ 40.082093] RDX: 0000000000000000 RSI: ffff996bbad9bf70 RDI: ffff996bbad9bf70 # [ 40.090065] RBP: 00007fec9be9a000 R08: 0000000000000000 R09: 0000000000000000 # [ 40.098035] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f # [ 40.106005] R13: ffffb162024bff10 R14: ffffb162024bff10 R15: ffff996b413d9000 # [ 40.113976] FS: 00007fec9be6b580(0000) GS:ffff996bbad80000(0000) knlGS:0000000000000000 # [ 40.123015] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 40.129433] CR2: 00007fec9be9a000 CR3: 000000010447e006 CR4: 00000000003706e0 # [ 40.137404] Call Trace: # [ 40.140135] ? __die_body.cold+0x1a/0x1f # [ 40.144513] ? no_context+0x177/0x380 # [ 40.148600] ? exc_page_fault+0x53/0x170 # [ 40.152978] ? asm_exc_page_fault+0x1e/0x30 # [ 40.157670] ? lkdtm_EXEC_USERSPACE.cold+0x66/0xae # [ 40.163028] ? d[ 48.502838] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE [ 48.509948] lkdtm: attempting bad refcount_dec() below zero [ 48.516174] ------------[ cut here ]------------ [ 48.521330] refcount_t: decrement hit 0; leaking memory. irect_entry.cold+0x2c/0x38 # [ 40.173814] ? full_proxy_write[ 48.527295] WARNING: CPU: 3 PID: 2132 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 +0x53/0x80 # [ 40.178290] ? vfs_write+0xe7/0x3b0 # [ 40.1[ 48.542948] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub cros_usbpd_logger uvcvideo cros_usbpd_charger videobuf2_vmalloc snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table 82182] ? ksys_write+0x68/0xf0 # [ 40.186075] ? do_syscall_6[ 48.601681] CPU: 3 PID: 2132 Comm: cat Tainted: G D W 5.10.182-cip34 #1 [ 48.616547] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 48.623354] RIP: 0010:refcount_warn_saturate+0xfb/0x110 [ 48.629190] Code: 98 47 15 b4 c6 05 8d f2 f6 01 01 e8 96 fd c0 00 0f 0b c3 cc cc cc cc 48 c7 c7 68 47 15 b4 c6 05 74 f2 f6 01 01 e8 7c fd c0 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b [ 48.650173] RSP: 0018:ffffb16202b47e48 EFLAGS: 00010286 4+0x30/0x40 # [ 40.190250] ? entry_SYSCALL_64_after_hwframe+[ 48.656011] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 [ 48.670204] RDX: ffff996bbadac660 RSI: ffff996bbad9bf70 RDI: ffff996bbad9bf70 [ 48.678200] RBP: ffffffffb41f97ab R08: 0000000000000000 R09: 0000000000000000 [ 48.686165] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 [ 48.694137] R13: ffffb16202b47f10 R14: ffffb16202b47f10 R15: ffff996b426d5000 [ 48.702107] FS: 00007fa6b875f580(0000) GS:ffff996bbad80000(0000) knlGS:0000000000000000 [ 48.711152] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 0x61/0xc6 # [ 40.196088] Modules linked in: fuse ip_tables cr[ 48.717600] CR2: 00007fa6b8569000 CR3: 0000000105b84002 CR4: 00000000003706e0 [ 48.731782] Call Trace: [ 48.734515] ? __warn+0x80/0x110 [ 48.738148] ? refcount_warn_saturate+0xfb/0x110 [ 48.743304] ? report_bug+0x9e/0xc0 [ 48.747198] ? handle_bug+0x41/0x90 [ 48.751091] ? exc_invalid_op+0x14/0x70 [ 48.755371] ? asm_exc_invalid_op+0x12/0x20 [ 48.760045] ? refcount_warn_saturate+0xfb/0x110 [ 48.765223] ? refcount_warn_saturate+0xfb/0x110 [ 48.770380] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 [ 48.775737] direct_entry.cold+0x2c/0x38 [ 48.780118] full_proxy_write+0x53/0x80 [ 48.784427] vfs_write+0xe7/0x3b0 [ 48.788127] ksys_write+0x68/0xf0 [ 48.791828] do_syscall_64+0x30/0x40 [ 48.795819] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 48.801462] RIP: 0033:0x7fa6b8675473 [ 48.805453] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 48.826440] RSP: 002b:00007ffee1736568 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 48.834899] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fa6b8675473 [ 48.842871] RDX: 0000000000000016 RSI: 00007fa6b8569000 RDI: 0000000000000001 [ 48.850843] RBP: 00007fa6b8569000 R08: 00007fa6b8568010 R09: 0000000000000000 [ 48.858813] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 48.866785] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 48.874762] irq event stamp: 0 [ 48.878193] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 48.885195] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 [ 48.894334] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 [ 48.903470] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 48.910471] ---[ end trace 04bede4d306f3cf8 ]--- [ 48.915626] lkdtm: Negative detected: saturated os_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub cros_usbpd_logger uvcvideo cros_usbpd_charger videobuf2_vmalloc snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 40.254799] CR2: 00007fec9be9a000 # [ 40.258496] ---[ end trace 04bede4d306f3cec ]--- # [ 40.263672] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 40.268050] Code: 89 ff e8 3e e6 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 56 e9 02 # [ 40.289036] RSP: 0018:ffffb16201367e60 EFLAGS: 00010282 # [ 40.294870] RAX: ffffffffb2d79540 RBX: 0000000000000001 RCX: 0000000000000000 # [ 40.302841] RDX: 0000000000000000 RSI: ffff996bbad9bf70 RDI: ffffffffb3d7e850 # [ 40.310811] RBP: ffffffffb425dc18 R08: 0000000000000001 R09: 0000000[ 49.032025] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE 000000001 # [ 40.318783] R10: 00000000ffffe000 R11: 3ffffffff[ 49.040160] lkdtm: attempting bad refcount_dec_and_test() below zero fffffff R12: 0000000000000004 # [ 40.326753] R13: ffffb162013[ 49.053479] ------------[ cut here ]------------ 67f10 R14: ffffb16201367f10 R15: ffff996b43273000 # [ 40.3347[ 49.064851] refcount_t: underflow; use-after-free. 29] FS: 00007fec9be6b580(0000) GS:ffff996bbad80000(0000) knlGS:[ 49.076434] WARNING: CPU: 1 PID: 2167 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 0000000000000000 # [ 40.343766] CS: 0010 DS: 0000 ES: 0000 C[ 49.092071] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub cros_usbpd_logger uvcvideo cros_usbpd_charger videobuf2_vmalloc snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table R0: 0000000080050033 # [ 40.350182] CR2: 00007fec9be9a000 CR3[ 49.150740] CPU: 1 PID: 2167 Comm: cat Tainted: G D W 5.10.182-cip34 #1 : 000000010447e006 CR4: 00000000003706e0 # [ 40.358154] BUG: [ 49.165606] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 sleeping function called from invalid context at include/linux/p[ 49.178625] RIP: 0010:refcount_warn_saturate+0xba/0x110 ercpu-rwsem.h:49 # [ 40.368067] in_atomic(): 0, irqs_disabled[ 49.190679] Code: 01 01 e8 e0 fd c0 00 0f 0b c3 cc cc cc cc 80 3d c6 f2 f6 01 00 75 85 48 c7 c7 40 47 15 b4 c6 05 b6 f2 f6 01 01 e8 bd fd c0 00 <0f> 0b c3 cc cc cc cc 80 3d a1 f2 f6 01 00 0f 85 5e ff ff ff 48 c7 [ 49.217876] RSP: 0018:ffffb16202bdfe40 EFLAGS: 00010286 (): 1, non_block: 0, pid: 1723, name: cat # [ 40.376522] INFO[ 49.223730] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 [ 49.237911] RDX: ffff996bbacac660 RSI: ffff996bbac9bf70 RDI: ffff996bbac9bf70 : lockdep is turned off. # [ 40.380900] irq event stamp: 0 #[ 49.245882] RBP: ffffffffb41f9400 R08: 0000000000000000 R09: 0000000000000000 [ 49.260061] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 40.384306] hardirqs last enabled at (0): [<000000000000000[ 49.268035] R13: ffffb16202bdff10 R14: ffffb16202bdff10 R15: ffff996b45f5c000 [ 49.282216] FS: 00007f62f4d09580(0000) GS:ffff996bbac80000(0000) knlGS:0000000000000000 0>] 0x0 # [ 40.391305] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 40.400443] softir[ 49.311853] Call Trace: qs last enabled at (0): [] copy_process+0x664[ 49.320796] ? __warn+0x80/0x110 [ 49.330609] ? refcount_warn_saturate+0xba/0x110 /0x1c60 # [ 40.409580] softirqs last disabled at (0): [<00000[ 49.335766] ? report_bug+0x9e/0xc0 00000000000>] 0x0 # [ 40.416580] CPU: 3 PID: 1723 Comm: cat T[ 49.345869] ? handle_bug+0x41/0x90 ainted: G D W 5.10.182-cip34 #1 # [ 40.425232] H[ 49.355984] ? exc_invalid_op+0x14/0x70 ardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 40.4[ 49.366483] ? asm_exc_invalid_op+0x12/0x20 32037] Call Trace: # [ 40.434765] dump_stack+0x77/0x9b # [ [ 49.377378] ? refcount_warn_saturate+0xba/0x110 40.438463] ___might_sleep.cold+0xa6/0xb6 # [ 40.443036] e[ 49.388747] __refcount_sub_and_test.constprop.0+0x3c/0x50 xit_signals+0x1c/0x300 # [ 40.447025] do_exit+0xc2/0xab0 # [ 49.401086] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 [ 40.450522] ? ksys_write+0x68/0xf0 # [ 40.454416] make_t[ 49.413526] direct_entry.cold+0x2c/0x38 ask_dead+0x2f/0x30 # [ 40.458502] rewind_stack_and_make_dead[ 49.424121] full_proxy_write+0x53/0x80 +0x17/0x20 # [ 40.463753] RIP: 0033:0x7fec9bd81473 # [ 40.[ 49.434618] vfs_write+0xe7/0x3b0 467741] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff[ 49.444534] ksys_write+0x68/0xf0 ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 [ 49.454448] do_syscall_64+0x30/0x40 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28[ 49.464653] entry_SYSCALL_64_after_hwframe+0x61/0xc6 48 89 54 24 18 # [ 40.488730] RSP: 002b:00007ffe04a1aa28 EFL[ 49.476509] RIP: 0033:0x7f62f4c1f473 AGS: 00000246 ORIG_RAX: 0000000000000001 # [ 40.497188] RAX: [ 49.486713] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 ffffffffffffffda RBX: 000000000000000f RCX: 00007fec9bd81473 # [ 49.513909] RSP: 002b:00007fffd502f938 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 40.505158] RDX: 000000000000000f RSI: 00007fec9bc75000 RDI: [ 49.528581] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f62f4c1f473 0000000000000001 # [ 40.513129] RBP: 00007fec9bc75000 R08: 00[ 49.542767] RDX: 000000000000001f RSI: 00007f62f4b13000 RDI: 0000000000000001 007fec9bc74010 R09: 0000000000000000 # [ 40.521098] R10: ffff[ 49.556955] RBP: 00007f62f4b13000 R08: 00007f62f4b12010 R09: 0000000000000000 fffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ [ 49.571146] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 40.529069] R13: 0000000000000001 R14: 0000000000020000 R15: 0000[ 49.585336] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 000000020000 # EXEC_USERSPACE: saw 'call trace:': ok ok 35 sel[ 49.599530] irq event stamp: 0 ftests: lkdtm: EXEC_USERSPACE.sh # selftests: lkdtm: EXEC_NULL.[ 49.609150] hardirqs last enabled at (0): [<0000000000000000>] 0x0 sh # Killed # [ 40.648050] lkdtm: Performing direct entry EX[ 49.622365] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 EC_NULL # [ 40.654501] lkdtm: attempting ok execution at ffff[ 49.637720] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 ffffb2d79910 # [ 40.667236] lkdtm: attempting bad execution a[ 49.653073] softirqs last disabled at (0): [<0000000000000000>] 0x0 t 0000000000000000 # [ 40.680090] BUG: kernel NULL pointer de[ 49.666286] ---[ end trace 04bede4d306f3cf9 ]--- [ 49.677675] lkdtm: Negative detected: saturated reference, address: 0000000000000000 # [ 40.694060] #PF: supervisor instruction fetch in kernel mode # [ 40.700379] #PF: error_code(0x0010) - not-present page # [ 40.706117] PGD 0 P4D 0 # [ 40.708943] Oops: 0010 [#11] SMP PTI # [ 40.719148] CPU: 1 PID: 1759 Comm: cat Tainted: G D W 5.10.182-cip34 #1 # [ 40.727800] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 40.734608] RIP: 0010:0x0 # [ 40.737530] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. # [ 40.745210] RSP: 0018:ffffb1620255fe48 EFLAGS: 00010246 # [ 40.751034] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 40.759004] RDX: 0000000000000000 RSI: ffff996bbac9bf70 RDI: ffff996bbac9bf70 # [ 40.766974] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 # [ 40.774946] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 40.782914] R13: ffffb1620255ff10 R14: ffffb1620255ff10 R15: ffff996b4411a000 # [ 40.790883] FS: 00007f3f55f2b580(0000) GS:ffff996bbac80000(0000) knlGS:0000000000000000 # [ 40.799922] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 40.806337] CR2: ffffffffffffffd6 CR3: 00000001067[ 49.798605] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE ae006 CR4: 00000000003706e0 # [ 40.814306] Call Trace: # [ [ 49.808420] lkdtm: attempting bad refcount_sub_and_test() below zero 40.817036] ? __die_body.cold+0x1a/0x1f # [ 40.827632] ? no[ 49.821756] ------------[ cut here ]------------ _context+0x177/0x380 # [ 40.831732] ? exc_page_fault+0x53/0x[ 49.833140] refcount_t: underflow; use-after-free. 170 # [ 40.842319] ? asm_exc_page_fault+0x1e/0x30 # [ 40.[ 49.844753] WARNING: CPU: 0 PID: 2202 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 846992] execute_location+0x45/0x56 # [ 40.857487] direct_en[ 49.860379] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub cros_usbpd_logger uvcvideo cros_usbpd_charger videobuf2_vmalloc snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table try.cold+0x2c/0x38 # [ 40.861866] full_proxy_write+0x53/0x80[ 49.919068] CPU: 0 PID: 2202 Comm: cat Tainted: G D W 5.10.182-cip34 #1 # [ 40.866147] vfs_write+0xe7/0x3b0 # [ 40.876060] ksys[ 49.933948] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 _write+0x68/0xf0 # [ 40.879749] do_syscall_64+0x30/0x40 # [[ 49.947019] RIP: 0010:refcount_warn_saturate+0xba/0x110 40.883730] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 4[ 49.959039] Code: 01 01 e8 e0 fd c0 00 0f 0b c3 cc cc cc cc 80 3d c6 f2 f6 01 00 75 85 48 c7 c7 40 47 15 b4 c6 05 b6 f2 f6 01 01 e8 bd fd c0 00 <0f> 0b c3 cc cc cc cc 80 3d a1 f2 f6 01 00 0f 85 5e ff ff ff 48 c7 0.889369] RIP: 0033:0x7f3f55e41473 # [ 40.893358] Code: 8b 15[ 49.986264] RSP: 0018:ffffb16202c5fe40 EFLAGS: 00010286 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 [ 49.998346] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d[ 50.012500] RDX: ffff996bbac2c660 RSI: ffff996bbac1bf70 RDI: ffff996bbac1bf70 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 50.026725] RBP: ffffffffb41f9420 R08: 0000000000000000 R09: 0000000000000000 [ 40.914335] RSP: 002b:00007fffde4d6758 EFLAGS: 00000246 ORIG_[ 50.040873] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f RAX: 0000000000000001 # [ 40.922792] RAX: ffffffffffffffda RB[ 50.055072] R13: ffffb16202c5ff10 R14: ffffb16202c5ff10 R15: ffff996b466f9000 X: 000000000000000a RCX: 00007f3f55e41473 # [ 40.930761] RDX:[ 50.069265] FS: 00007f9434d25580(0000) GS:ffff996bbac00000(0000) knlGS:0000000000000000 000000000000000a RSI: 00007f3f55d35000 RDI: 0000000000000001 #[ 50.084527] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 40.938730] RBP: 00007f3f55d35000 R08: 00007f3f55d34010 R09:[ 50.097141] CR2: 00007f9434b2f000 CR3: 00000001047d0003 CR4: 00000000003706f0 0000000000000000 # [ 40.946700] R10: fffffffffffffbc5 R11: 0[ 50.111320] Call Trace: 000000000000246 R12: 0000000000000001 # [ 40.954674] R13: 000[ 50.120271] ? __warn+0x80/0x110 0000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ [ 50.130074] ? refcount_warn_saturate+0xba/0x110 40.962647] Modules linked in: fuse ip_tables cros_ec_lid_angle [ 50.141447] ? report_bug+0x9e/0xc0 cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buff[ 50.151552] ? handle_bug+0x41/0x90 er kfifo_buf industrialio snd_soc_da7219 cros_ec_debugfs cros_ec[ 50.161646] ? exc_invalid_op+0x14/0x70 _lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub cros_u[ 50.172166] ? asm_exc_invalid_op+0x12/0x20 sbpd_logger uvcvideo cros_usbpd_charger videobuf2_vmalloc snd_so[ 50.183075] ? refcount_warn_saturate+0xba/0x110 c_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg[ 50.194459] __refcount_sub_and_test.constprop.0+0x3c/0x50 _temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common reg[ 50.206798] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b map_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_b[ 50.219242] direct_entry.cold+0x2c/0x38 acklight coreboot_table # [ 41.021319] CR2: 0000000000000000 [ 50.229859] full_proxy_write+0x53/0x80 # [ 41.025017] ---[ end trace 04bede4d306f3ced ]--- # [ 41[ 50.240355] vfs_write+0xe7/0x3b0 .030172] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 41.034551] Code: 89[ 50.250281] ksys_write+0x68/0xf0 ff e8 3e e6 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff [ 50.260186] do_syscall_64+0x30/0x40 ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f>[ 50.270393] entry_SYSCALL_64_after_hwframe+0x61/0xc6 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 56 e9 02 [ 50.282247] RIP: 0033:0x7f9434c3b473 # [ 41.055538] RSP: 0018:ffffb16201367e60 EFLAGS: 00010282 #[ 50.292448] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 41.061373] RAX: ffffffffb2d79540 RBX: 0000000000000001 RCX:[ 50.319653] RSP: 002b:00007ffde20332e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 0000000000000000 # [ 41.069336] RDX: 0000000000000000 RSI: f[ 50.334314] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f9434c3b473 fff996bbad9bf70 RDI: ffffffffb3d7e850 # [ 41.077306] RBP: fff[ 50.348524] RDX: 000000000000001f RSI: 00007f9434b2f000 RDI: 0000000000000001 fffffb425dc18 R08: 0000000000000001 R09: 0000000000000001 # [ [ 50.362693] RBP: 00007f9434b2f000 R08: 00007f9434b2e010 R09: 0000000000000000 41.085276] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000[ 50.376908] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 0000000000004 # [ 41.093245] R13: ffffb16201367f10 R14: ffffb[ 50.391058] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 16201367f10 R15: ffff996b43273000 # [ 41.101216] FS: 00007f3[ 50.405288] irq event stamp: 0 f55f2b580(0000) GS:ffff996bbac80000(0000) knlGS:0000000000000000[ 50.414869] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 41.110255] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005[ 50.428116] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 0033 # [ 41.116676] CR2: ffffffffffffffd6 CR3: 00000001067ae0[ 50.443513] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 06 CR4: 00000000003706e0 # EXEC_NULL: saw 'call trace:': ok ok[ 50.458850] softirqs last disabled at (0): [<0000000000000000>] 0x0 36 selftests: lkdtm: EXEC_NULL.sh # selftests: lkdtm: ACCESS_U[ 50.472094] ---[ end trace 04bede4d306f3cfa ]--- SERSPACE.sh # Killed # [ 41.243115] lkdtm: Performing direct[ 50.483444] lkdtm: Negative detected: saturated entry ACCESS_USERSPACE # [ 41.255210] lkdtm: attempting bad read at 00007fa835e4b000 # [ 41.261376] BUG: unable to handle page fault for address: 00007fa835e4b000 # [ 41.269063] #PF: supervisor read access in kernel mode # [ 41.281012] #PF: error_code(0x0001) - permissions violation # [ 41.287235] PGD 800000010674d067 P4D 800000010674d067 PUD 1047d2067 PMD 104998067 PTE 10aef2067 # [ 41.303176] Oops: 0001 [#12] SMP PTI # [ 41.307165] CPU: 2 PID: 1794 Comm: cat Tainted: G D W 5.10.182-cip34 #1 # [ 41.315817] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 41.322626] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 # [ 41.328850] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 48 a6 1f b4 e8 ef d7 fb ff 48 c7 c7 70 a6 1f b4 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 d6 d7 fb ff 48 89 ee 48 c7 c7 98 a6 1f # [ 41.349834] RSP: 0018:ffffb162025e7e48 EFLAGS: 00010246 # [ 41.355674] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 # [ 41.363646] RDX: 0000000000000000 RSI: ffff996bbad1bf70 RDI: ffffffffb41fa670 # [ 41.371615] RBP: 00007fa835e4b000 R08: 0000000000000000 R09: 0000000000000000 # [ 41.379585] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 # [ 41.387554] R13: ffffb162025e7f10 R14: ffffb162025e7f10 R15: ffff996b46478000 # [ 41.395526] FS: 00007fa835e1c580(0000) GS:ffff996bbad00000(0000) knlGS:0000000000000000 # [ 41.404565] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 #[ 50.640181] lkdtm: Performing direct entry REFCOUNT_INC_ZERO [ 50.650186] lkdtm: attempting safe refcount_inc_not_zero() from zero [ 50.657304] lkdtm: Good: zero detected [ 50.661501] lkdtm: Correctly stayed at zero [ 50.666178] lkdtm: attempting bad refcount_inc() from zero [ 50.672306] ------------[ cut here ]------------ [ 50.677461] refcount_t: addition on 0; use-after-free. [ 50.683229] WARNING: CPU: 3 PID: 2234 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 [ 41.410982] CR2: 00007fa835e4b000 CR3: 0000000102716005 CR4:[ 50.692663] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub cros_usbpd_logger uvcvideo cros_usbpd_charger videobuf2_vmalloc snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table [ 50.751333] CPU: 3 PID: 2234 Comm: cat Tainted: G D W 5.10.182-cip34 #1 [ 50.760007] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 50.766814] RIP: 0010:refcount_warn_saturate+0x74/0x110 [ 50.772667] Code: 01 01 e8 26 fe c0 00 0f 0b c3 cc cc cc cc 80 3d 0d f3 f6 01 00 75 cb 48 c7 c7 10 47 15 b4 c6 05 fd f2 f6 01 01 e8 03 fe c0 00 <0f> 0b c3 cc cc cc cc 80 3d ec f2 f6 01 00 75 a8 48 c7 c7 e8 46 15 00000000003706e0 # [ 41.418951] Call Trace: # [ 41.421682[ 50.793660] RSP: 0018:ffffb16202cbfe48 EFLAGS: 00010286 [ 50.805708] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 ] ? __die_body.cold+0x1a/0x1f # [ 41.426060] ? no_context+0[ 50.813682] RDX: ffff996bbadac660 RSI: ffff996bbad9bf70 RDI: ffff996bbad9bf70 [ 50.827871] RBP: ffffffffb41f97c1 R08: 0000000000000000 R09: 0000000000000000 [ 50.835873] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 50.843845] R13: ffffb16202cbff10 R14: ffffb16202cbff10 R15: ffff996b43cd9000 [ 50.851816] FS: 00007f6a389c9580(0000) GS:ffff996bbad80000(0000) knlGS:0000000000000000 [ 50.860855] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.867266] CR2: 00007f6a387d3000 CR3: 00000001029b8006 CR4: 00000000003706e0 [ 50.875239] Call Trace: [ 50.877970] ? __warn+0x80/0x110 [ 50.881594] ? refcount_warn_saturate+0x74/0x110 [ 50.886751] ? report_bug+0x9e/0xc0 [ 50.890664] ? handle_bug+0x41/0x90 x177/0x380 # [ 41.430139] ? exc_page_fault+0x53/0x170 # [ [ 50.894567] ? exc_invalid_op+0x14/0x70 [ 50.905061] ? asm_exc_invalid_op+0x12/0x20 [ 50.909738] ? refcount_warn_saturate+0x74/0x110 [ 50.914918] ? refcount_warn_saturate+0x74/0x110 [ 50.920074] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 [ 50.925037] direct_entry.cold+0x2c/0x38 [ 50.929419] full_proxy_write+0x53/0x80 [ 50.933718] vfs_write+0xe7/0x3b0 [ 50.937449] ksys_write+0x68/0xf0 [ 50.941147] do_syscall_64+0x30/0x40 [ 50.945138] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 50.950779] RIP: 0033:0x7f6a388df473 [ 50.954770] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 50.975758] RSP: 002b:00007ffcb5d54a38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 50.984217] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f6a388df473 [ 50.992190] RDX: 0000000000000012 RSI: 00007f6a387d3000 RDI: 0000000000000001 [ 51.000164] RBP: 00007f6a387d3000 R08: 00007f6a387d2010 R09: 0000000000000000 [ 51.008136] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 51.016106] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 51.024082] irq event stamp: 0 [ 51.027520] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 51.034523] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 [ 51.043680] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 41.434517] ? asm_exc_page_fault+0x1e/0x30 # [ 41.439180] ?[ 51.052817] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 51.066030] ---[ end trace 04bede4d306f3cfb ]--- [ 51.071186] lkdtm: Zero detected: saturated lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 # [ 41.444724] ? lkdtm_ACCESS_USERSPACE.cold+0x35/0xa3 # [ 41.450267] direct_entry.cold+0x2c/0x38 # [ 41.454648] full_proxy_write+0x53/0x80 # [ 41.458927] vfs_write+0xe7/0x3b0 # [ 41.462625] ksys_write+0x68/0xf0 # [ 41.466323] do_syscall_64+0x30/0x40 # [ 41.470313] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 41.475952] RIP: 0033:0x7fa835d32473 # [ 41.479941] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 41.500929] RSP: 002b:00007ffd9364d0b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 41.509378] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007fa835d32473 # [ 41.517349] RDX: 0000000000000011 RSI: 00007fa835c26000 RDI: 0000000000000001 # [ 41.525319] RBP: 00007fa835c26000 R08: 00007fa835c25010 R09: 0000000000000000 # [ 41.533289] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 41.541258] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 41.549232] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub cros_usbpd_logger uvcvideo cros_usbpd_charger videobuf2_vmalloc snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regma[ 51.226495] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO p_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_bac[ 51.237563] lkdtm: attempting safe refcount_add_not_zero() from zero klight coreboot_table # [ 41.607945] CR2: 00007fa835e4b000 #[ 51.250876] lkdtm: Good: zero detected [ 41.611634] ---[ end trace 04bede4d306f3cee ]--- # [ 41.6[ 51.261274] lkdtm: Correctly stayed at zero [ 51.272161] lkdtm: attempting bad refcount_add() from zero 16789] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 41.621166] Code: 89 f[ 51.278292] ------------[ cut here ]------------ f e8 3e e6 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff[ 51.289684] refcount_t: addition on 0; use-after-free. c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0[ 51.301701] WARNING: CPU: 1 PID: 2266 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 56 e9 02 #[ 51.317325] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub cros_usbpd_logger uvcvideo cros_usbpd_charger videobuf2_vmalloc snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table [ 51.375994] CPU: 1 PID: 2266 Comm: cat Tainted: G D W 5.10.182-cip34 #1 [ 41.642154] RSP: 0018:ffffb16201367e60 EFLAGS: 00010282 # [[ 51.384650] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 41.647989] RAX: ffffffffb2d79540 RBX: 0000000000000001 RCX: 0[ 51.397673] RIP: 0010:refcount_warn_saturate+0x74/0x110 [ 51.409730] Code: 01 01 e8 26 fe c0 00 0f 0b c3 cc cc cc cc 80 3d 0d f3 f6 01 00 75 cb 48 c7 c7 10 47 15 b4 c6 05 fd f2 f6 01 01 e8 03 fe c0 00 <0f> 0b c3 cc cc cc cc 80 3d ec f2 f6 01 00 75 a8 48 c7 c7 e8 46 15 000000000000000 # [ 41.655960] RDX: 0000000000000000 RSI: fff[ 51.430731] RSP: 0018:ffffb16202d4fe48 EFLAGS: 00010286 [ 51.442777] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 [ 51.450751] RDX: ffff996bbacac660 RSI: ffff996bbac9bf70 RDI: ffff996bbac9bf70 [ 51.458726] RBP: ffffffffb41f97d3 R08: 0000000000000000 R09: 0000000000000000 [ 51.466698] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 f996bbad9bf70 RDI: ffffffffb3d7e850 # [ 41.663929] RBP: fffff[ 51.474677] R13: ffffb16202d4ff10 R14: ffffb16202d4ff10 R15: ffff996b46478000 [ 51.488855] FS: 00007fc0c2535580(0000) GS:ffff996bbac80000(0000) knlGS:0000000000000000 fffb425dc18 R08: 0000000000000001 R09: 0000000000000001 # [ 4[ 51.497894] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.510520] CR2: 00007fc0c233f000 CR3: 0000000103bd8006 CR4: 00000000003706e0 1.671899] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000[ 51.518491] Call Trace: 00000000004 # [ 41.679868] R13: ffffb16201367f10 R14: ffffb16[ 51.527434] ? __warn+0x80/0x110 [ 51.537250] ? refcount_warn_saturate+0x74/0x110 201367f10 R15: ffff996b43273000 # [ 41.687838] FS: 00007fa83[ 51.542407] ? report_bug+0x9e/0xc0 5e1c580(0000) GS:ffff996bbad00000(0000) knlGS:0000000000000000 [ 51.552510] ? handle_bug+0x41/0x90 [ 51.562616] ? exc_invalid_op+0x14/0x70 # [ 41.696877] CS: 0010 DS: 0000 ES: 0000 CR0: 00000000800500[ 51.566900] ? asm_exc_invalid_op+0x12/0x20 33 # [ 41.703292] CR2: 00007fa835e4b000 CR3: 0000000102716005[ 51.577784] ? refcount_warn_saturate+0x74/0x110 [ 51.589152] ? refcount_warn_saturate+0x74/0x110 CR4: 00000000003706e0 # [ 41.711264] BUG: sleeping function [ 51.594308] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 [ 51.605479] direct_entry.cold+0x2c/0x38 called from invalid context at include/linux/percpu-rwsem.h:49 [ 51.609861] full_proxy_write+0x53/0x80 # [ 41.721179] in_atomic(): 0, irqs_disabled(): 1, non_block: [ 51.620355] vfs_write+0xe7/0x3b0 [ 51.630267] ksys_write+0x68/0xf0 0, pid: 1794, name: cat # [ 41.729636] INFO: lockdep is turne[ 51.633968] do_syscall_64+0x30/0x40 [ 51.644168] entry_SYSCALL_64_after_hwframe+0x61/0xc6 d off. # [ 41.734011] irq event stamp: 0 # [ 41.737417] ha[ 51.649812] RIP: 0033:0x7fc0c244b473 rdirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 41.[ 51.660016] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 744416] hardirqs last disabled at (0): [] copy[ 51.687221] RSP: 002b:00007ffc847aa2c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 51.701894] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fc0c244b473 _process+0x664/0x1c60 # [ 41.753551] softirqs last enabled a[ 51.709869] RDX: 0000000000000012 RSI: 00007fc0c233f000 RDI: 0000000000000001 [ 51.724050] RBP: 00007fc0c233f000 R08: 00007fc0c233e010 R09: 0000000000000000 t (0): [] copy_process+0x664/0x1c60 # [ 41.[ 51.732022] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 51.746203] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 762688] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 51.754180] irq event stamp: 0 [ 51.763796] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 41.769689] CPU: 2 PID: 1794 Comm: cat Tainted: G D W[ 51.770799] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 [ 51.786145] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 5.10.182-cip34 #1 # [ 41.778339] Hardware name: Goog[ 51.795285] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 51.808493] ---[ end trace 04bede4d306f3cfc ]--- le Rammus/Rammus, BIOS 09/04/2020 # [ 41.785142] Call Trace:[ 51.813669] lkdtm: Zero detected: saturated # [ 41.787869] dump_stack+0x77/0x9b # [ 41.791567] ___might_sleep.cold+0xa6/0xb6 # [ 41.796141] exit_signals+0x1c/0x300 # [ 41.800129] do_exit+0xc2/0xab0 # [ 41.803632] ? ksys_write+0x68/0xf0 # [ 41.807524] make_task_dead+0x2f/0x30 # [ 41.811610] rewind_stack_and_make_dead+0x17/0x20 # [ 41.816860] RIP: 0033:0x7fa835d32473 # [ 41.820849] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 41.841834] RSP: 002b:00007ffd9364d0b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 41.850290] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007fa835d32473 # [ 41.858258] RDX: 0000000000000011 RSI: 00007fa835c26000 RDI: 0000000000000001 # [ 41.866228] RBP: 00007fa835c26000 R08: 00007fa835c25010 R09: 0000000000000000 # [ 41.874198] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 41.882168] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # ACCESS_USERSPACE: saw 'call trace:': ok ok 37 selftests: lkdtm: ACCESS_USERSPACE.sh # selftests: lkdtm: ACCESS_NULL.sh # Killed # [ 42.075789] lkdtm: Performing direct entry ACCESS_NULL #[ 51.944835] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED [ 42.082360] lkdtm: attempting bad read at 0000000000000000 [ 51.955690] lkdtm: attempting bad refcount_inc() from saturated # [ 42.094729] BUG: kernel NULL pointer dereference, address: [ 51.968518] ------------[ cut here ]------------ 0000000000000000 # [ 42.108729] #PF: supervisor read access i[ 51.979881] refcount_t: saturated; leaking memory. n kernel mode # [ 42.114474] #PF: error_code(0x0000) - not-pr[ 51.991464] WARNING: CPU: 1 PID: 2301 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 esent page # [ 42.126428] PGD 0 P4D 0 # [ 42.129253] Oops[ 52.007094] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub cros_usbpd_logger uvcvideo cros_usbpd_charger videobuf2_vmalloc snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table : 0000 [#13] SMP PTI # [ 42.133232] CPU: 1 PID: 1829 Comm: ca[ 52.065765] CPU: 1 PID: 2301 Comm: cat Tainted: G D W 5.10.182-cip34 #1 t Tainted: G D W 5.10.182-cip34 #1 # [ 42.141885[ 52.080632] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 ] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 4[ 52.093650] RIP: 0010:refcount_warn_saturate+0x51/0x110 2.148695] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 # [ 42.153948[ 52.105701] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 31 f3 f6 01 00 75 ee 48 c7 c7 e8 46 15 b4 c6 05 21 f3 f6 01 01 e8 26 fe c0 00 <0f> 0b c3 cc cc cc cc 80 3d 0d f3 f6 01 00 75 cb 48 c7 c7 10 47 15 ] Code: 93 d7 fb ff be 00 10 00 00 48 89 ef e8 35 65 0f ff e9 69[ 52.132897] RSP: 0018:ffffb16202d9fe48 EFLAGS: 00010286 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 48 a6 1f b4 e8 6d d7 [ 52.144947] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 fb ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 70 a6 1f[ 52.159141] RDX: ffff996bbacac660 RSI: ffff996bbac9bf70 RDI: ffff996bbac9bf70 [ 52.173329] RBP: ffffffffb41f97e5 R08: 0000000000000000 R09: 0000000000000000 [ 52.181305] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 b4 48 01 # [ 42.181148] RSP: 0018:ffffb1620266fe58 EFLAGS: 0[ 52.189277] R13: ffffb16202d9ff10 R14: ffffb16202d9ff10 R15: ffff996b4403e000 [ 52.203457] FS: 00007f66a8ae6580(0000) GS:ffff996bbac80000(0000) knlGS:0000000000000000 0010246 # [ 42.186983] RAX: 000000000000002e RBX: 00000000000[ 52.212499] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.225127] CR2: 00007f66a88f0000 CR3: 000000010274a003 CR4: 00000000003706e0 00027 RCX: 0000000000000000 # [ 42.194952] RDX: 0000000000000[ 52.233099] Call Trace: 000 RSI: ffff996bbac9bf70 RDI: ffff996bbac9bf70 # [ 42.202922[ 52.242059] ? __warn+0x80/0x110 [ 52.251859] ? refcount_warn_saturate+0x51/0x110 [ 52.257019] ? report_bug+0x9e/0xc0 [ 52.260918] ? handle_bug+0x41/0x90 [ 52.264821] ? exc_invalid_op+0x14/0x70 [ 52.269108] ? asm_exc_invalid_op+0x12/0x20 [ 52.273788] ? refcount_warn_saturate+0x51/0x110 ] RBP: ffffffffb41f9739 R08: 0000000000000000 R09: 0000000000000[ 52.278954] ? refcount_warn_saturate+0x51/0x110 [ 52.290322] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 [ 52.295773] direct_entry.cold+0x2c/0x38 000 # [ 42.210892] R10: 00000000ffffe000 R11: 3ffffffffffffff[ 52.300157] full_proxy_write+0x53/0x80 f R12: 000000000000000c # [ 42.218861] R13: ffffb1620266ff10 [ 52.310647] vfs_write+0xe7/0x3b0 R14: ffffb1620266ff10 R15: ffff996b43254000 # [ 42.226831] FS[ 52.320586] ksys_write+0x68/0xf0 : 00007f95c20db580(0000) GS:ffff996bbac80000(0000) knlGS:000000[ 52.330501] do_syscall_64+0x30/0x40 [ 52.340724] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 52.346391] RIP: 0033:0x7f66a89fc473 0000000000 # [ 42.235869] CS: 0010 DS: 0000 ES: 0000 CR0: 00[ 52.350408] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 52.377600] RSP: 002b:00007ffdca9543f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 00000080050033 # [ 42.242284] CR2: 0000000000000000 CR3: 0000[ 52.386060] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f66a89fc473 [ 52.400244] RDX: 0000000000000017 RSI: 00007f66a88f0000 RDI: 0000000000000001 000102702005 CR4: 00000000003706e0 # [ 42.250255] Call Trace:[ 52.408216] RBP: 00007f66a88f0000 R08: 00007f66a88ef010 R09: 0000000000000000 [ 52.422401] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 42.252984] ? __die_body.cold+0x1a/0x1f # [ 42.257363[ 52.430374] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ] ? no_context+0x177/0x380 # [ 42.267679] ? exc_page_fault+[ 52.444562] irq event stamp: 0 0x53/0x170 # [ 42.272057] ? asm_exc_page_fault+0x1e/0x30 # [ 52.454209] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 42.282942] ? lkdtm_ACCESS_NULL+0x14/0x53 # [ 42.287515] [ 52.467426] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 ? lkdtm_ACCESS_NULL+0x14/0x53 # [ 42.298301] direct_entry.c[ 52.482777] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 old+0x2c/0x38 # [ 42.302680] full_proxy_write+0x53/0x80 # [[ 52.498128] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 52.511343] ---[ end trace 04bede4d306f3cfd ]--- 42.306964] vfs_write+0xe7/0x3b0 # [ 42.316875] ksys_writ[ 52.516501] lkdtm: Saturation detected: still saturated e+0x68/0xf0 # [ 42.320566] do_syscall_64+0x30/0x40 # [ 42.324555] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 42.330196] RIP: 0033:0x7f95c1ff1473 # [ 42.334184] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 42.355170] RSP: 002b:00007ffdc50b6e18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 42.363617] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f95c1ff1473 # [ 42.371588] RDX: 000000000000000c RSI: 00007f95c1ee5000 RDI: 0000000000000001 # [ 42.379557] RBP: 00007f95c1ee5000 R08: 00007f95c1ee4010 R09: 0000000000000000 # [ 42.387528] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 42.395497] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 42.403470] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub cros_usbpd_logger uvcvideo cros_usbpd_charger videobuf2_vmalloc snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp[ 52.648416] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED _thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i[ 52.659657] lkdtm: attempting bad refcount_dec() from saturated 2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backli[ 52.672492] ------------[ cut here ]------------ ght coreboot_table # [ 42.462142] CR2: 0000000000000000 # [ [ 52.683857] refcount_t: decrement hit 0; leaking memory. 42.465831] ---[ end trace 04bede4d306f3cef ]--- # [ 42.4709[ 52.696018] WARNING: CPU: 1 PID: 2336 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 87] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 42.475365] Code: 89 ff e[ 52.711679] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub cros_usbpd_logger uvcvideo cros_usbpd_charger videobuf2_vmalloc snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table 8 3e e6 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3[ 52.770360] CPU: 1 PID: 2336 Comm: cat Tainted: G D W 5.10.182-cip34 #1 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 6[ 52.785205] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 6 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 56 e9 02 # [ [ 52.798225] RIP: 0010:refcount_warn_saturate+0xfb/0x110 42.496349] RSP: 0018:ffffb16201367e60 EFLAGS: 00010282 # [ [ 52.810277] Code: 98 47 15 b4 c6 05 8d f2 f6 01 01 e8 96 fd c0 00 0f 0b c3 cc cc cc cc 48 c7 c7 68 47 15 b4 c6 05 74 f2 f6 01 01 e8 7c fd c0 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b [ 52.837478] RSP: 0018:ffffb16202e0fe48 EFLAGS: 00010286 42.502184] RAX: ffffffffb2d79540 RBX: 0000000000000001 RCX: 0000[ 52.843315] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 [ 52.857495] RDX: ffff996bbacac660 RSI: ffff996bbac9bf70 RDI: ffff996bbac9bf70 000000000000 # [ 42.510153] RDX: 0000000000000000 RSI: ffff99[ 52.865468] RBP: ffffffffb41f97fc R08: 0000000000000000 R09: 0000000000000000 [ 52.879652] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 6bbad9bf70 RDI: ffffffffb3d7e850 # [ 42.518123] RBP: ffffffff[ 52.887665] R13: ffffb16202e0ff10 R14: ffffb16202e0ff10 R15: ffff996b4489e000 [ 52.901830] FS: 00007f9253c88580(0000) GS:ffff996bbac80000(0000) knlGS:0000000000000000 b425dc18 R08: 0000000000000001 R09: 0000000000000001 # [ 42.5[ 52.910870] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.923495] CR2: 00007f9253a92000 CR3: 0000000103f46001 CR4: 00000000003706e0 26092] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000[ 52.931466] Call Trace: 00000004 # [ 42.534060] R13: ffffb16201367f10 R14: ffffb16201[ 52.940409] ? __warn+0x80/0x110 [ 52.950222] ? refcount_warn_saturate+0xfb/0x110 367f10 R15: ffff996b43273000 # [ 42.542031] FS: 00007f95c20d[ 52.955378] ? report_bug+0x9e/0xc0 b580(0000) GS:ffff996bbac80000(0000) knlGS:0000000000000000 # [[ 52.965485] ? handle_bug+0x41/0x90 42.551062] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.975595] ? exc_invalid_op+0x14/0x70 # [ 42.557476] CR2: 0000000000000000 CR3: 0000000102702005 CR[ 52.986094] ? asm_exc_invalid_op+0x12/0x20 4: 00000000003706e0 # [ 42.565446] BUG: sleeping function cal[ 52.996981] ? refcount_warn_saturate+0xfb/0x110 led from invalid context at include/linux/percpu-rwsem.h:49 # [[ 53.008348] ? refcount_warn_saturate+0xfb/0x110 42.575359] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, [ 53.019734] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f pid: 1829, name: cat # [ 42.583817] INFO: lockdep is turned o[ 53.031397] direct_entry.cold+0x2c/0x38 ff. # [ 42.588193] irq event stamp: 0 # [ 42.591599] hardi[ 53.041994] full_proxy_write+0x53/0x80 rqs last enabled at (0): [<0000000000000000>] 0x0 # [ 42.598[ 53.052493] vfs_write+0xe7/0x3b0 599] hardirqs last disabled at (0): [] copy_pr[ 53.062406] ksys_write+0x68/0xf0 ocess+0x664/0x1c60 # [ 42.607735] softirqs last enabled at ([ 53.072321] do_syscall_64+0x30/0x40 0): [] copy_process+0x664/0x1c60 # [ 42.616[ 53.082527] entry_SYSCALL_64_after_hwframe+0x61/0xc6 870] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 53.094383] RIP: 0033:0x7f9253b9e473 [ 42.623871] CPU: 1 PID: 1829 Comm: cat Tainted: G D W [ 53.104589] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 5.10.182-cip34 #1 # [ 42.632511] Hardware name: Google [ 53.131788] RSP: 002b:00007ffca9f38498 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 Rammus/Rammus, BIOS 09/04/2020 # [ 42.639316] Call Trace: #[ 53.146460] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f9253b9e473 [ 42.642043] dump_stack+0x77/0x9b # [ 42.645741] ___migh[ 53.160645] RDX: 0000000000000017 RSI: 00007f9253a92000 RDI: 0000000000000001 t_sleep.cold+0xa6/0xb6 # [ 42.650314] exit_signals+0x1c/0x30[ 53.174830] RBP: 00007f9253a92000 R08: 00007f9253a91010 R09: 0000000000000000 0 # [ 42.654304] do_exit+0xc2/0xab0 # [ 42.657798] ? ksy[ 53.189016] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 s_write+0x68/0xf0 # [ 42.661692] make_task_dead+0x2f/0x30 #[ 53.203201] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 42.665780] rewind_stack_and_make_dead+0x17/0x20 # [ 42.[ 53.217391] irq event stamp: 0 671031] RIP: 0033:0x7f95c1ff1473 # [ 42.675020] Code: 8b 15 2[ 53.227009] hardirqs last enabled at (0): [<0000000000000000>] 0x0 1 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64[ 53.240223] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 0[ 53.255577] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 0 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ [ 53.270932] softirqs last disabled at (0): [<0000000000000000>] 0x0 42.695998] RSP: 002b:00007ffdc50b6e18 EFLAGS: 00000246 ORIG_RA[ 53.284148] ---[ end trace 04bede4d306f3cfe ]--- X: 0000000000000001 # [ 42.704448] RAX: ffffffffffffffda RBX:[ 53.295516] lkdtm: Saturation detected: still saturated 000000000000000c RCX: 00007f95c1ff1473 # [ 42.712418] RDX: 000000000000000c RSI: 00007f95c1ee5000 RDI: 0000000000000001 # [ 42.720387] RBP: 00007f95c1ee5000 R08: 00007f95c1ee4010 R09: 0000000000000000 # [ 42.728356] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 42.736325] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # ACCESS_NULL: saw 'call trace:': ok ok 38 selftests: lkdtm: ACCESS_NULL.sh # selftests: lkdtm: WRITE_RO.sh # Killed # [ 42.866508] lkdtm: Performing direct entry WRITE_RO # [ 42.874064] lkdtm: attempting bad rodata write at ffffffffb3d7ecd0 # [ 42.887220] BUG: unable to handle page fault for address: ffffffffb3d7ecd0 # [ 42.901069] #PF: supervisor write access in kernel mode # [ 42.906903] #PF: error_code(0x0003) - permissions violation # [ 42.913125] PGD 115e29067 P4D 115e29067 PUD 115e2a063 PMD 80000001156000e1 # [ 42.920909] Oops: 0003 [#14] SMP PTI # [ 42.924897] CPU: 0 PID: 1864 Comm: cat Tainted: G D W 5.10.182-cip34 #1 # [ 42.933547] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 42.940357] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a # [ 42.945315] Code: 00 48 c7 c7 28 a5 1f b4 48 c7 c6 d0 ec d7 b3 e8 17 da fb ff 48 8b 05 4f 06 97 [ 53.428226] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED 00 ba 34 12 cd ab 48 c7 c7 58 a5 1f b4 48 31 d0 <48> 89 05 39 06[ 53.438683] lkdtm: attempting bad refcount_dec() from saturated [ 53.451519] ------------[ cut here ]------------ [ 53.456683] refcount_t: saturated; leaking memory. 97 00 e9 f5 d9 fb ff 0f 1f 44 00 00 48 8b 05 88 fc # [ 42.96[ 53.462045] WARNING: CPU: 3 PID: 2371 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 6293] RSP: 0018:ffffb1620271fe60 EFLAGS: 00010202 # [ 42.9721[ 53.477681] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub cros_usbpd_logger uvcvideo cros_usbpd_charger videobuf2_vmalloc snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table [ 53.536348] CPU: 3 PID: 2371 Comm: cat Tainted: G D W 5.10.182-cip34 #1 28] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 00000000000[ 53.545002] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 53.558029] RIP: 0010:refcount_warn_saturate+0x51/0x110 [ 53.563896] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 31 f3 f6 01 00 75 ee 48 c7 c7 e8 46 15 b4 c6 05 21 f3 f6 01 01 e8 26 fe c0 00 <0f> 0b c3 cc cc cc cc 80 3d 0d f3 f6 01 00 75 cb 48 c7 c7 10 47 15 [ 53.584877] RSP: 0018:ffffb16202e47e48 EFLAGS: 00010286 [ 53.590726] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 [ 53.598746] RDX: ffff996bbadac660 RSI: ffff996bbad9bf70 RDI: ffff996bbad9bf70 [ 53.606750] RBP: ffffffffb41f9813 R08: 0000000000000000 R09: 0000000000000000 [ 53.614746] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 53.622736] R13: ffffb16202e47f10 R14: ffffb16202e47f10 R15: ffff996b448cb000 [ 53.630709] FS: 00007fe802f6b580(0000) GS:ffff996bbad80000(0000) knlGS:0000000000000000 [ 53.639748] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.646167] CR2: 00007fe802d75000 CR3: 0000000103db4004 CR4: 00000000003706e0 [ 53.654137] Call Trace: [ 53.656870] ? __warn+0x80/0x110 00000 # [ 42.980096] RDX: 00000000abcd1234 RSI: ffff996bbac1b[ 53.660500] ? refcount_warn_saturate+0x51/0x110 [ 53.671866] ? report_bug+0x9e/0xc0 [ 53.675761] ? handle_bug+0x41/0x90 [ 53.679679] ? exc_invalid_op+0x14/0x70 f70 RDI: ffffffffb41fa558 # [ 42.988065] RBP: ffffffffb41f974[ 53.683965] ? asm_exc_invalid_op+0x12/0x20 [ 53.694846] ? refcount_warn_saturate+0x51/0x110 5 R08: 0000000000000000 R09: 0000000000000000 # [ 42.996036] [ 53.700029] ? refcount_warn_saturate+0x51/0x110 [ 53.711393] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 [ 53.716841] direct_entry.cold+0x2c/0x38 [ 53.721247] full_proxy_write+0x53/0x80 [ 53.725555] vfs_write+0xe7/0x3b0 [ 53.729279] ksys_write+0x68/0xf0 [ 53.732981] do_syscall_64+0x30/0x40 [ 53.736972] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 53.742613] RIP: 0033:0x7fe802e81473 [ 53.746603] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 53.767586] RSP: 002b:00007ffd793354d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 53.776042] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fe802e81473 [ 53.784014] RDX: 0000000000000017 RSI: 00007fe802d75000 RDI: 0000000000000001 [ 53.791984] RBP: 00007fe802d75000 R08: 00007fe802d74010 R09: 0000000000000000 [ 53.799955] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 53.807925] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000[ 53.815905] irq event stamp: 0 [ 53.825526] hardirqs last enabled at (0): [<0000000000000000>] 0x0 9 # [ 43.004009] R13: ffffb1620271ff10 R14: ffffb1620271ff10 [ 53.832527] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 [ 53.847876] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 [ 53.857010] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 53.864009] ---[ end trace 04bede4d306f3cff ]--- [ 53.869164] lkdtm: Saturation detected: still saturated R15: ffff996b426d2000 # [ 43.011979] FS: 00007f51aa7a2580(0000) GS:ffff996bbac00000(0000) knlGS:0000000000000000 # [ 43.021017] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 43.027435] CR2: ffffffffb3d7ecd0 CR3: 00000001027b6004 CR4: 00000000003706f0 # [ 43.035406] Call Trace: # [ 43.038137] ? __die_body.cold+0x1a/0x1f # [ 43.042514] ? no_context+0x177/0x380 # [ 43.046603] ? exc_page_fault+0xd7/0x170 # [ 43.050988] ? asm_exc_page_fault+0x1e/0x30 # [ 43.055679] ? lkdtm_WRITE_RO+0x2e/0x3a # [ 43.059961] direct_entry.cold+0x2c/0x38 # [ 43.064342] full_proxy_write+0x53/0x80 # [ 43.068630] vfs_write+0xe7/0x3b0 # [ 43.072335] ksys_write+0x68/0xf0 # [ 43.076034] do_syscall_64+0x30/0x40 # [ 43.080025] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 43.085666] RIP: 0033:0x7f51aa6b8473 # [ 43.089654] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 43.110641] RSP: 002b:00007ffe87786718 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 43.119099] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f51aa6b8473 # [ 43.127070] RDX: 00000000000000[ 53.997697] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED 09 RSI: 00007f51aa5ac000 RDI: 0000000000000001 # [ 43.135040][ 54.007197] lkdtm: attempting bad refcount_inc_not_zero() from saturated RBP: 00007f51aa5ac000 R08: 00007f51aa5ab010 R09: 00000000000000[ 54.020925] ------------[ cut here ]------------ 00 # [ 43.143012] R10: fffffffffffffbc5 R11: 0000000000000246[ 54.032289] refcount_t: saturated; leaking memory. R12: 0000000000000001 # [ 43.150982] R13: 0000000000000001 R[ 54.043905] WARNING: CPU: 0 PID: 2403 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 14: 0000000000020000 R15: 0000000000020000 # [ 43.158956] Mod[ 54.059542] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub cros_usbpd_logger uvcvideo cros_usbpd_charger videobuf2_vmalloc snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table ules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors[ 54.118200] CPU: 0 PID: 2403 Comm: cat Tainted: G D W 5.10.182-cip34 #1 cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf in[ 54.133102] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 dustrialio snd_soc_da7219 cros_ec_debugfs cros_ec_lightbar cros_[ 54.146221] RIP: 0010:refcount_warn_saturate+0x97/0x110 ec_sysfs cros_ec_chardev cros_ec_sensorhub cros_usbpd_logger uvc[ 54.158210] Code: 01 01 e8 03 fe c0 00 0f 0b c3 cc cc cc cc 80 3d ec f2 f6 01 00 75 a8 48 c7 c7 e8 46 15 b4 c6 05 dc f2 f6 01 01 e8 e0 fd c0 00 <0f> 0b c3 cc cc cc cc 80 3d c6 f2 f6 01 00 75 85 48 c7 c7 40 47 15 video cros_usbpd_charger videobuf2_vmalloc snd_soc_core videobuf[ 54.185498] RSP: 0018:ffffb16202f37e38 EFLAGS: 00010282 2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal c[ 54.197508] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 ros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid[ 54.211719] RDX: ffff996bbac2c660 RSI: ffff996bbac1bf70 RDI: ffff996bbac1bf70 cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight corebo[ 54.225915] RBP: ffffffffb41f9440 R08: 0000000000000000 R09: 0000000000000000 ot_table # [ 43.211447] CR2: ffffffffb3d7ecd0 # [ 43.21514[ 54.240137] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 6] ---[ end trace 04bede4d306f3cf0 ]--- # [ 43.220302] RIP: 0[ 54.254289] R13: ffffb16202f37f10 R14: ffffb16202f37f10 R15: ffff996b45911000 010:lkdtm_BUG+0x5/0x10 # [ 43.224685] Code: 89 ff e8 3e e6 79[ 54.268532] FS: 00007fc3304d5580(0000) GS:ffff996bbac00000(0000) knlGS:0000000000000000 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc [ 54.283779] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84[ 54.296470] CR2: 00007fc3302df000 CR3: 0000000103b82002 CR4: 00000000003706f0 00 00 00 00 00 0f 1f 44 00 00 83 05 50 56 e9 02 # [ 43.24567[ 54.310625] Call Trace: 2] RSP: 0018:ffffb16201367e60 EFLAGS: 00010282 # [ 43.251506][ 54.319588] ? __warn+0x80/0x110 RAX: ffffffffb2d79540 RBX: 0000000000000001 RCX: 00000000000000[ 54.329401] ? refcount_warn_saturate+0x97/0x110 00 # [ 43.259476] RDX: 0000000000000000 RSI: ffff996bbad9bf70[ 54.340842] ? report_bug+0x9e/0xc0 RDI: ffffffffb3d7e850 # [ 43.267445] RBP: ffffffffb425dc18 R[ 54.350917] ? handle_bug+0x41/0x90 08: 0000000000000001 R09: 0000000000000001 # [ 43.275414] R10[ 54.361124] ? exc_invalid_op+0x14/0x70 : 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 54.371551] ? asm_exc_invalid_op+0x12/0x20 # [ 43.283383] R13: ffffb16201367f10 R14: ffffb16201367f10 R15[ 54.382462] ? refcount_warn_saturate+0x97/0x110 : ffff996b43273000 # [ 43.291355] FS: 00007f51aa7a2580(0000)[ 54.393840] ? refcount_warn_saturate+0x97/0x110 GS:ffff996bbac00000(0000) knlGS:0000000000000000 # [ 43.3003[ 54.405229] __refcount_add_not_zero.constprop.0+0x2a/0x35 86] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 43.[ 54.417581] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 306803] CR2: ffffffffb3d7ecd0 CR3: 00000001027b6004 CR4: 0000000[ 54.430114] direct_entry.cold+0x2c/0x38 0003706f0 # WRITE_RO: saw 'call trace:': ok ok 39 selftests: l[ 54.440723] full_proxy_write+0x53/0x80 kdtm: WRITE_RO.sh # selftests: lkdtm: WRITE_RO_AFTER_INIT.sh #[ 54.451226] vfs_write+0xe7/0x3b0 Killed # [ 43.519157] lkdtm: Performing direct entry WRITE_R[ 54.461146] ksys_write+0x68/0xf0 O_AFTER_INIT # [ 43.526408] lkdtm: attempting bad ro_after_in[ 54.471079] do_syscall_64+0x30/0x40 it write at ffffffffb427e330 # [ 43.534009] BUG: unable to ha[ 54.481246] entry_SYSCALL_64_after_hwframe+0x61/0xc6 ndle page fault for address: ffffffffb427e330 # [ 43.541697] [ 54.493140] RIP: 0033:0x7fc3303eb473 #PF: supervisor write access in kernel mode # [ 43.547533] #P[ 54.503331] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 F: error_code(0x0003) - permissions violation # [ 43.553746] [ 54.530565] RSP: 002b:00007ffced5236c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 54.545222] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fc3303eb473 PGD 115e29067 P4D 115e29067 PUD 115e2a063 PMD 10593e063 PTE 8000[ 54.553231] RDX: 0000000000000020 RSI: 00007fc3302df000 RDI: 0000000000000001 [ 54.567375] RBP: 00007fc3302df000 R08: 00007fc3302de010 R09: 0000000000000000 000115c7e061 # [ 43.562788] Oops: 0003 [#15] SMP PTI # [ 4[ 54.575373] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 3.566776] CPU: 2 PID: 1899 Comm: cat Tainted: G D W [ 54.589553] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 5.10.182-cip34 #1 # [ 43.575426] Hardware name: Google Rammu[ 54.603764] irq event stamp: 0 s/Rammus, BIOS 09/04/2020 # [ 43.582235] RIP: 0010:lkdtm_WRI[ 54.613386] hardirqs last enabled at (0): [<0000000000000000>] 0x0 TE_RO_AFTER_INIT+0x4e/0x5a # [ 43.588262] Code: a5 1f b4 e9 c[ 54.626566] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 9 d9 fb ff 48 c7 c7 b0 a5 1f b4 e8 bd d9 fb ff 48 8b 05 55 fc e6[ 54.641916] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 00 ba 34 12 cd ab 48 c7 c7 58 a5 1f b4 48 31 d0 <48> 89 05 3f f[ 54.657304] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 54.670505] ---[ end trace 04bede4d306f3d00 ]--- c e6 00 e9 9b d9 fb ff 0f 1f 44 00 00 41 54 48 c7 c7 # [ 43.6[ 54.675688] lkdtm: Saturation detected: still saturated 09246] RSP: 0018:ffffb1620279fe60 EFLAGS: 00010202 # [ 43.615080] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 # [ 43.623050] RDX: 00000000abcd1234 RSI: ffff996bbad1bf70 RDI: ffffffffb41fa558 # [ 43.631018] RBP: ffffffffb41f974e R08: 0000000000000000 R09: 0000000000000000 # [ 43.638989] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 # [ 43.646959] R13: ffffb1620279ff10 R14: ffffb1620279ff10 R15: ffff996b43f59000 # [ 43.654930] FS: 00007f53ae261580(0000) GS:ffff996bbad00000(0000) knlGS:0000000000000000 # [ 43.663967] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 43.670383] CR2: ffffffffb427e330 CR3: 00000001026ee005 CR4: 00000000003706e0 # [ 43.678355] Call Trace: # [ 43.681083] ? __die_body.cold+0x1a/0x1f # [ 43.685463] ? no_context+0x177/0x380 # [ 43.689550] ? exc_page_fault+0xd7/0x170 # [ 43.693928] ? asm_exc_page_fault+0x1e/0x30 # [ 43.698600] ? lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a # [ 43.703950] direct_entry.cold+0x2c/0x38 # [ 43.708328] full_proxy_write+0x53/0x80 # [ 43.712610] vfs_write+0xe7/0x3b0 # [ 43.716308] ksys_write+0x68/0xf0 # [ 43.720007] do_syscall_64+0x30/0x40 # [ 43.723994] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 43.729633] RIP: 0033:0x7f53ae177473 # [ 43.733622] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 43.754610] RSP: 002b:00007fff33864908 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 43.763066] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f53ae177473 # [ 43.771037] RDX: 0000000000000014 RSI: 00007f53ae06b000 RDI: 0000000000000001 # [ 43.779006] RBP: 00007f53ae06b000 R08: 00007f53ae06a010 R09: 0000000000000000 # [ 43.786976] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 43.794945] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 43.802920] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub cros_usbpd_logger uvcvideo cros_usbpd_charger videobuf2_vmalloc snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 43.861631] CR2: ffffffffb427e330 # [ 43.865329] ---[ end trace 04bede4d306f3cf1 ]--- # [ 43.870486] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 43.874863] Code: 89 ff[ 54.952789] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED e8 3e e6 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff [ 54.965009] lkdtm: attempting bad refcount_add_not_zero() from saturated c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b[ 54.978758] ------------[ cut here ]------------ 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 50 56 e9 02 # [ 54.990121] refcount_t: saturated; leaking memory. [ 43.895851] RSP: 0018:ffffb16201367e60 EFLAGS: 00010282 # [ [ 55.001757] WARNING: CPU: 0 PID: 2435 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 43.901685] RAX: ffffffffb2d79540 RBX: 0000000000000001 RCX: 00[ 55.017352] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub cros_usbpd_logger uvcvideo cros_usbpd_charger videobuf2_vmalloc snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table 00000000000000 # [ 43.909677] RDX: 0000000000000000 RSI: ffff[ 55.076072] CPU: 0 PID: 2435 Comm: cat Tainted: G D W 5.10.182-cip34 #1 996bbad9bf70 RDI: ffffffffb3d7e850 # [ 43.917647] RBP: ffffff[ 55.090898] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 ffb425dc18 R08: 0000000000000001 R09: 0000000000000001 # [ 43[ 55.103979] RIP: 0010:refcount_warn_saturate+0x97/0x110 .925617] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000[ 55.115976] Code: 01 01 e8 03 fe c0 00 0f 0b c3 cc cc cc cc 80 3d ec f2 f6 01 00 75 a8 48 c7 c7 e8 46 15 b4 c6 05 dc f2 f6 01 01 e8 e0 fd c0 00 <0f> 0b c3 cc cc cc cc 80 3d c6 f2 f6 01 00 75 85 48 c7 c7 40 47 15 0000000004 # [ 43.933589] R13: ffffb16201367f10 R14: ffffb162[ 55.143217] RSP: 0018:ffffb16202f9fe38 EFLAGS: 00010282 01367f10 R15: ffff996b43273000 # [ 43.941559] FS: 00007f53ae[ 55.155229] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 261580(0000) GS:ffff996bbad00000(0000) knlGS:0000000000000000 #[ 55.169410] RDX: ffff996bbac2c660 RSI: ffff996bbac1bf70 RDI: ffff996bbac1bf70 [ 43.950599] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003[ 55.183592] RBP: ffffffffb41f9460 R08: 0000000000000000 R09: 0000000000000000 3 # [ 43.957014] CR2: ffffffffb427e330 CR3: 00000001026ee005 [ 55.197800] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 CR4: 00000000003706e0 # [ 43.964984] BUG: sleeping function c[ 55.212011] R13: ffffb16202f9ff10 R14: ffffb16202f9ff10 R15: ffff996b45c6b000 alled from invalid context at include/linux/percpu-rwsem.h:49 #[ 55.226195] FS: 00007fc0dfdb9580(0000) GS:ffff996bbac00000(0000) knlGS:0000000000000000 [ 43.974898] in_atomic(): 0, irqs_disabled(): 1, non_block: 0[ 55.241434] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 , pid: 1899, name: cat # [ 43.983354] INFO: lockdep is turned[ 55.254108] CR2: 00007fc0dfbc3000 CR3: 0000000103cde006 CR4: 00000000003706f0 off. # [ 43.987731] irq event stamp: 0 # [ 43.991137] har[ 55.268314] Call Trace: dirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 43.9[ 55.277266] ? __warn+0x80/0x110 98136] hardirqs last disabled at (0): [] copy_[ 55.287106] ? refcount_warn_saturate+0x97/0x110 process+0x664/0x1c60 # [ 44.007271] softirqs last enabled at[ 55.298463] ? report_bug+0x9e/0xc0 (0): [] copy_process+0x664/0x1c60 # [ 44.0[ 55.308606] ? handle_bug+0x41/0x90 16407] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 55.318698] ? exc_invalid_op+0x14/0x70 # [ 44.023407] CPU: 2 PID: 1899 Comm: cat Tainted: G D W [ 55.329181] ? asm_exc_invalid_op+0x12/0x20 5.10.182-cip34 #1 # [ 44.032055] Hardware name: Googl[ 55.340102] ? refcount_warn_saturate+0x97/0x110 e Rammus/Rammus, BIOS 09/04/2020 # [ 44.038860] Call Trace: [ 55.351475] ? refcount_warn_saturate+0x97/0x110 # [ 44.041588] dump_stack+0x77/0x9b # [ 44.045286] ___mi[ 55.362830] __refcount_add_not_zero.constprop.0+0x2a/0x35 ght_sleep.cold+0xa6/0xb6 # [ 44.049858] exit_signals+0x1c/0x[ 55.375171] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 300 # [ 44.053839] do_exit+0xc2/0xab0 # [ 44.057342] ? k[ 55.387767] direct_entry.cold+0x2c/0x38 sys_write+0x68/0xf0 # [ 44.061235] make_task_dead+0x2f/0x30 [ 55.398356] full_proxy_write+0x53/0x80 # [ 44.065321] rewind_stack_and_make_dead+0x17/0x20 # [ 4[ 55.408853] vfs_write+0xe7/0x3b0 4.070571] RIP: 0033:0x7f53ae177473 # [ 44.074559] Code: 8b 15[ 55.418783] ksys_write+0x68/0xf0 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 [ 55.428695] do_syscall_64+0x30/0x40 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d[ 55.438887] entry_SYSCALL_64_after_hwframe+0x61/0xc6 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 55.450760] RIP: 0033:0x7fc0dfccf473 [ 44.095545] RSP: 002b:00007fff33864908 EFLAGS: 00000246 ORIG_[ 55.460950] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 RAX: 0000000000000001 # [ 44.104002] RAX: ffffffffffffffda RB[ 55.488164] RSP: 002b:00007ffc5ed15458 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 X: 0000000000000014 RCX: 00007f53ae177473 # [ 44.111972] RDX:[ 55.502821] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fc0dfccf473 0000000000000014 RSI: 00007f53ae06b000 RDI: 0000000000000001 #[ 55.517028] RDX: 0000000000000020 RSI: 00007fc0dfbc3000 RDI: 0000000000000001 [ 44.119944] RBP: 00007f53ae06b000 R08: 00007f53ae06a010 R09:[ 55.531247] RBP: 00007fc0dfbc3000 R08: 00007fc0dfbc2010 R09: 0000000000000000 0000000000000000 # [ 44.127914] R10: fffffffffffffbc5 R11: 0[ 55.545404] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 000000000000246 R12: 0000000000000001 # [ 44.135882] R13: 000[ 55.559621] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0000000000001 R14: 0000000000020000 R15: 0000000000020000 # WRI[ 55.573783] irq event stamp: 0 TE_RO_AFTER_INIT: saw 'call trace:': ok ok 40 selftests: lkdtm:[ 55.583441] hardirqs last enabled at (0): [<0000000000000000>] 0x0 WRITE_RO_AFTER_INIT.sh # selftests: lkdtm: WRITE_KERN.sh # Ki[ 55.596620] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 lled # [ 44.280630] lkdtm: Performing direct entry WRITE_KERN[ 55.611976] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 44.292518] lkdtm: attempting bad 6900971 byte write at f[ 55.627324] softirqs last disabled at (0): [<0000000000000000>] 0x0 fffffffb340e5fb # [ 44.306206] BUG: unable to handle page fau[ 55.640551] ---[ end trace 04bede4d306f3d01 ]--- lt for address: ffffffffb340e5fb # [ 44.320085] #PF: supervis[ 55.651909] lkdtm: Saturation detected: still saturated or write access in kernel mode # [ 44.325920] #PF: error_code(0x0003) - permissions violation # [ 44.338357] PGD 115e29067 P4D 115e29067 PUD 115e2a063 PMD 114e000e1 # [ 44.351676] Oops: 0003 [#16] SMP PTI # [ 44.355659] CPU: 1 PID: 1934 Comm: cat Tainted: G D W 5.10.182-cip34 #1 # [ 44.364309] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 44.371118] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e # [ 44.376275] Code: 53 48 c7 c3 fb e5 40 b3 49 89 dc 48 89 da 49 81 ec 10 99 d7 b2 4c 89 e6 e8 70 d9 fb ff 48 89 df 4c 89 e1 48 c7 c6 10 99 d7 b2 a4 48 c7 c7 58 a5 1f b4 e8 55 d9 fb ff 5b 41 5c e9 b7 fe ff ff # [ 44.403475] RSP: 0018:ffffb162027d7e50 EFLAGS: 00010246 # [ 44.409301] RAX: 000000000000003c RBX: ffffffffb340e5fb RCX: 0000000000694ceb # [ 44.417271] RDX: 0000000000000000 RSI: ffffffffb2d79910 RDI: ffffffffb340e5fb # [ 44.425240] RBP: ffffffffb41f9762 R08: 0000000000000000 R09: 0000000000000000 # [ 44.433211] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000694ceb # [ 44.441180] R13: ffffb162027d7f10 R14: ffffb162027d7f10 R15: ffff996b43c63000 # [ 44.449151] FS: 00007f35f4033580(0000) GS:ffff996bbac80000(0000) knlGS:0000000000000000 # [ 44.458188] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 44.464606] CR2: ffffffffb340e5fb CR3: 00000001047a8002 CR4: 00000000003706e0 # [ 44.472576] Call Trace: # [ 44.475307] ? __die_body.cold+0x1a/0x1f # [ 44.479689] ? no_context+0x177/0x380 # [ 44.489987] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 # [ 44.495435] ? exc_page_fault+0xd7/[ 55.813213] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED 0x170 # [ 44.506027] ? asm_exc_page_fault+0x1e/0x30 # [ 4[ 55.827058] lkdtm: attempting bad refcount_dec_and_test() from saturated 4.510697] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 # [ 44.5161[ 55.840793] ------------[ cut here ]------------ 45] ? lkdtm_SLAB_FREE_PAGE+0x40/0x40 # [ 44.521008] ? lkdtm[ 55.852163] refcount_t: underflow; use-after-free. _SLAB_FREE_CROSS.cold+0x32/0x32 # [ 44.526447] ? lkdtm_WRITE[ 55.863781] WARNING: CPU: 0 PID: 2470 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 _KERN+0x38/0x4e # [ 44.530922] direct_entry.cold+0x2c/0x38 [ 55.879409] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub cros_usbpd_logger uvcvideo cros_usbpd_charger videobuf2_vmalloc snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 44.535303] full_proxy_write+0x53/0x80 # [ 44.539586] [ 55.938088] CPU: 0 PID: 2470 Comm: cat Tainted: G D W 5.10.182-cip34 #1 vfs_write+0xe7/0x3b0 # [ 44.549496] ksys_write+0x68/0xf0 # [ 55.952948] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 44.553195] do_syscall_64+0x30/0x40 # [ 44.557184] entry[ 55.965976] RIP: 0010:refcount_warn_saturate+0xba/0x110 _SYSCALL_64_after_hwframe+0x61/0xc6 # [ 44.562824] RIP: 0033:[ 55.978044] Code: 01 01 e8 e0 fd c0 00 0f 0b c3 cc cc cc cc 80 3d c6 f2 f6 01 00 75 85 48 c7 c7 40 47 15 b4 c6 05 b6 f2 f6 01 01 e8 bd fd c0 00 <0f> 0b c3 cc cc cc cc 80 3d a1 f2 f6 01 00 0f 85 5e ff ff ff 48 c7 0x7f35f3f49473 # [ 44.566813] Code: 8b 15 21 2a 0e 00 f7 d8 6[ 56.005286] RSP: 0018:ffffb16203057e40 EFLAGS: 00010286 4 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00[ 56.017305] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c[ 56.031529] RDX: ffff996bbac2c660 RSI: ffff996bbac1bf70 RDI: ffff996bbac1bf70 3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 44.587801] RSP: [ 56.045764] RBP: ffffffffb41f9480 R08: 0000000000000000 R09: 0000000000000000 002b:00007ffe72302088 EFLAGS: 00000246 ORIG_RAX: 000000000000000[ 56.059900] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 1 # [ 44.596259] RAX: ffffffffffffffda RBX: 000000000000000b [ 56.074085] R13: ffffb16203057f10 R14: ffffb16203057f10 R15: ffff996b4659a000 RCX: 00007f35f3f49473 # [ 44.604229] RDX: 000000000000000b RS[ 56.088294] FS: 00007f51774dc580(0000) GS:ffff996bbac00000(0000) knlGS:0000000000000000 I: 00007f35f3e3d000 RDI: 0000000000000001 # [ 44.612199] RBP:[ 56.103531] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 00007f35f3e3d000 R08: 00007f35f3e3c010 R09: 0000000000000000 #[ 56.116195] CR2: 00007f51772e6000 CR3: 00000001026ae006 CR4: 00000000003706f0 [ 44.620170] R10: fffffffffffffbc5 R11: 0000000000000246 R12:[ 56.130370] Call Trace: 0000000000000001 # [ 44.628139] R13: 0000000000000001 R14: 0[ 56.139321] ? __warn+0x80/0x110 000000000020000 R15: 0000000000020000 # [ 44.636113] Modules [ 56.149146] ? refcount_warn_saturate+0xba/0x110 linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros[ 56.160518] ? report_bug+0x9e/0xc0 _ec_sensors_core industrialio_triggered_buffer kfifo_buf industr[ 56.170667] ? handle_bug+0x41/0x90 ialio snd_soc_da7219 cros_ec_debugfs cros_ec_lightbar cros_ec_sy[ 56.180724] ? exc_invalid_op+0x14/0x70 sfs cros_ec_chardev cros_ec_sensorhub cros_usbpd_logger uvcvideo[ 56.191245] ? asm_exc_invalid_op+0x12/0x20 cros_usbpd_charger videobuf2_vmalloc snd_soc_core videobuf2_mem[ 56.202168] ? refcount_warn_saturate+0xba/0x110 ops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_e[ 56.213491] __refcount_sub_and_test.constprop.0+0x3c/0x50 c_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros[ 56.225816] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 _usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_ta[ 56.238364] direct_entry.cold+0x2c/0x38 ble # [ 44.694785] CR2: ffffffffb340e5fb # [ 44.698475] --[ 56.248973] full_proxy_write+0x53/0x80 -[ end trace 04bede4d306f3cf2 ]--- # [ 44.703631] RIP: 0010:l[ 56.259458] vfs_write+0xe7/0x3b0 kdtm_BUG+0x5/0x10 # [ 44.708008] Code: 89 ff e8 3e e6 79 ff 4[ 56.269371] ksys_write+0x68/0xf0 8 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48[ 56.279305] do_syscall_64+0x30/0x40 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 0[ 56.289545] entry_SYSCALL_64_after_hwframe+0x61/0xc6 0 00 00 00 0f 1f 44 00 00 83 05 50 56 e9 02 # [ 44.728994] RS[ 56.301381] RIP: 0033:0x7f51773f2473 P: 0018:ffffb16201367e60 EFLAGS: 00010282 # [ 44.734827] RAX:[ 56.311611] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 ffffffffb2d79540 RBX: 0000000000000001 RCX: 0000000000000000 #[ 56.338800] RSP: 002b:00007ffd07a11708 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 44.742797] RDX: 0000000000000000 RSI: ffff996bbad9bf70 RDI:[ 56.353516] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f51773f2473 ffffffffb3d7e850 # [ 44.750767] RBP: ffffffffb425dc18 R08: 0[ 56.367728] RDX: 0000000000000020 RSI: 00007f51772e6000 RDI: 0000000000000001 000000000000001 R09: 0000000000000001 # [ 44.758738] R10: 000[ 56.381916] RBP: 00007f51772e6000 R08: 00007f51772e5010 R09: 0000000000000000 00000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ [ 56.396034] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 44.766707] R13: ffffb16201367f10 R14: ffffb16201367f10 R15: fff[ 56.410291] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 f996b43273000 # [ 44.774699] FS: 00007f35f4033580(0000) GS:f[ 56.424451] irq event stamp: 0 fff996bbac80000(0000) knlGS:0000000000000000 # [ 44.783739] C[ 56.434058] hardirqs last enabled at (0): [<0000000000000000>] 0x0 S: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 44.79015[ 56.447292] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 6] CR2: ffffffffb340e5fb CR3: 00000001047a8002 CR4: 000000000037[ 56.462636] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 06e0 # WRITE_KERN: saw 'call trace:': ok ok 41 selftests: lkdt[ 56.477963] softirqs last disabled at (0): [<0000000000000000>] 0x0 m: WRITE_KERN.sh # selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh [ 56.491230] ---[ end trace 04bede4d306f3d02 ]--- # [ 44.931533] lkdtm: Performing direct entry REFCOUNT_INC_OVE[ 56.502581] lkdtm: Saturation detected: still saturated RFLOW # [ 44.941667] lkdtm: attempting good refcount_inc() without overflow # [ 44.954811] lkdtm: attempting bad refcount_inc() overflow # [ 44.967065] ------------[ cut here ]------------ # [ 44.978441] refcount_t: saturated; leaking memory. # [ 44.990018] WARNING: CPU: 0 PID: 1969 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 45.005652] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub cros_usbpd_logger uvcvideo cros_usbpd_charger videobuf2_vmalloc snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 45.064321] CPU: 0 PID: 1969 Comm: cat Tainted: G D W 5.10.182-cip34 #1 # [ 45.079146] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 45.092195] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 45.104295] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 31 f3 f6 01 00 75 ee 48 c7 c7 e8 46 15 b4 c6 05 21 f3 f6 01 01 e8 26 fe c0 00 <0f> 0b c3 cc cc cc cc 80 3d 0d f3 f6 01 00 75 cb 48 c7 c7 10 47 15 # [ 45.131453] RSP: 0018:ffffb16202897e48 EFLAGS: 00010286 # [ 45.143555] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000[ 56.653650] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED [ 56.665365] lkdtm: attempting bad refcount_sub_and_test() from saturated [ 56.672861] ------------[ cut here ]------------ [ 56.678020] refcount_t: underflow; use-after-free. [ 56.683399] WARNING: CPU: 3 PID: 2505 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 000000000000 # [ 45.157727] RDX: ffff996bbac2c660 RSI: ffff99[ 56.692833] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub cros_usbpd_logger uvcvideo cros_usbpd_charger videobuf2_vmalloc snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table [ 56.751502] CPU: 3 PID: 2505 Comm: cat Tainted: G D W 5.10.182-cip34 #1 [ 56.760154] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 56.766961] RIP: 0010:refcount_warn_saturate+0xba/0x110 [ 56.772795] Code: 01 01 e8 e0 fd c0 00 0f 0b c3 cc cc cc cc 80 3d c6 f2 f6 01 00 75 85 48 c7 c7 40 47 15 b4 c6 05 b6 f2 f6 01 01 e8 bd fd c0 00 <0f> 0b c3 cc cc cc cc 80 3d a1 f2 f6 01 00 0f 85 5e ff ff ff 48 c7 [ 56.793780] RSP: 0018:ffffb162030c7e40 EFLAGS: 00010286 [ 56.799616] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 [ 56.807588] RDX: ffff996bbadac660 RSI: ffff996bbad9bf70 RDI: ffff996bbad9bf70 [ 56.815549] RBP: ffffffffb41f94a0 R08: 0000000000000000 R09: 0000000000000000 [ 56.823522] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 56.831492] R13: ffffb162030c7f10 R14: ffffb162030c7f10 R15: ffff996b448d8000 [ 56.839463] FS: 00007f775b652580(0000) GS:ffff996bbad80000(0000) knlGS:0000000000000000 [ 56.848493] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.854912] CR2: 00007f775b45c000 CR3: 0000000103b9e003 CR4: 00000000003706e0 [ 56.862884] Call Trace: [ 56.865616] ? __warn+0x80/0x110 [ 56.869243] ? refcount_warn_saturate+0xba/0x110 [ 56.874398] ? report_bug+0x9e/0xc0 [ 56.878294] ? handle_bug+0x41/0x90 [ 56.882209] ? exc_invalid_op+0x14/0x70 [ 56.886494] ? asm_exc_invalid_op+0x12/0x20 [ 56.891168] ? refcount_warn_saturate+0xba/0x110 [ 56.896350] __refcount_sub_and_test.constprop.0+0x3c/0x50 [ 56.902476] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 [ 56.908800] direct_entry.cold+0x2c/0x38 [ 56.913181] full_proxy_write+0x53/0x80 [ 56.917464] vfs_write+0xe7/0x3b0 [ 56.921164] ksys_write+0x68/0xf0 [ 56.924864] do_syscall_64+0x30/0x40 6bbac1bf70 RDI: ffff996bbac1bf70 # [ 45.171912] RBP: ffffffff[ 56.928860] entry_SYSCALL_64_after_hwframe+0x61/0xc6 b41f976d R08: 0000000000000000 R09: 0000000000000000 # [ 45.1[ 56.940721] RIP: 0033:0x7f775b568473 86104] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000[ 56.950928] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 56.978133] RSP: 002b:00007ffd639a9728 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 56.986594] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f775b568473 [ 56.994567] RDX: 0000000000000020 RSI: 00007f775b45c000 RDI: 0000000000000001 [ 57.002544] RBP: 00007f775b45c000 R08: 00007f775b45b010 R09: 0000000000000000 [ 57.010550] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 57.018544] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 57.026519] irq event stamp: 0 [ 57.029957] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 57.036957] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 [ 57.046096] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 [ 57.055234] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 57.062233] ---[ end trace 04bede4d306f3d03 ]--- [ 57.067388] lkdtm: Saturation detected: still saturated 00000016 # [ 45.200295] R13: ffffb16202897f10 R14: ffffb16202897f10 R15: ffff996b44114000 # [ 45.214481] FS: 00007f19a4b1f580(0000) GS:ffff996bbac00000(0000) knlGS:0000000000000000 # [ 45.229742] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 45.242363] CR2: 00007f19a4929000 CR3: 00000001067d4003 CR4: 00000000003706f0 # [ 45.256568] Call Trace: # [ 45.265506] ? __warn+0x80/0x110 # [ 45.275356] ? refcount_warn_saturate+0x51/0x110 # [ 45.286715] ? report_bug+0x9e/0xc0 # [ 45.296854] ? handle_bug+0x41/0x90 # [ 45.306951] ? exc_invalid_op+0x14/0x70 # [ 45.317476] ? asm_exc_invalid_op+0x12/0x20 # [ 45.328344] ? refcount_warn_saturate+0x51/0x110 # [ 45.339736] ? refcount_warn_saturate+0x51/0x110 # [ 45.351091] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 # [ 45.362735] direct_entry.cold+0x2c/0x38 # [ 45.373273] full_proxy_write+0x53/0x80 # [ 45.383811] vfs_write+0xe7/0x3b0 # [ 45.393689] ksys_write+0x68/0xf0 # [ 45.403650] do_syscall_64+0x30/0x40 # [ 45.413851] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 45.425763] RIP: 0033:0x7f19a4a35473 # [ 45.435961] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 45.463174] RSP: 002b:00007fff7d3ef198 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 45.477837] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f19a4a35473 # [ 45.492030] RDX: 0000000000000016 RSI: 00007f19a4929000 RDI: 0000000000000001 # [ 45.506214] RBP: 00007f19a4929000 R08: 00007f19a4928010 R09: 0000000000000000 # [ 45.520398] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 45.534590] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 45.548796] irq event stamp: 0 # [ 45.558418] hardirqs[ 57.253458] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO last enabled at (0): [<0000000000000000>] 0x0 # [ 45.571648[ 57.266459] lkdtm: attempting good copy_to_user of correct size ] hardirqs last disabled at (0): [] copy_proce[ 57.279321] lkdtm: attempting bad copy_to_user of too large size ss+0x664/0x1c60 # [ 45.587004] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 45.602366] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 45.615576] ---[ end trace 04bede4d306f3cf3 ]--- # [ 45.626941] lkdtm: Overflow detected: saturated # REFCOUNT_INC_OVERFLOW: saw 'call trace:': ok ok 42 selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh # [ 45.741185] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 45.750568] lkdtm: attempting good refcount_add() without overflow # [ 45.763693] lkdtm: attempting bad refcount_add() overflow # [ 45.775935] ------------[ cut here ]------------ # [ 45.781092] refcount_t: saturated; leaking memory. # [ 45.792686] WARNING: CPU: 1 PID: 2001 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 45.808325] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub cros_usbpd_logger uvcvideo cros_usbpd_charger videobuf2_vmalloc snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notif[ 57.418306] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM [ 57.429677] lkdtm: attempting good copy_from_user of correct size y chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 4[ 57.436484] lkdtm: attempting bad copy_from_user of too large size 5.866994] CPU: 1 PID: 2001 Comm: cat Tainted: G D W 5.10.182-cip34 #1 # [ 45.881862] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 45.888694] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 45.900744] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 31 f3 f6 01 00 75 ee 48 c7 c7 e8 46 15 b4 c6 05 21 f3 f6 01 01 e8 26 fe c0 00 <0f> 0b c3 cc cc cc cc 80 3d 0d f3 f6 01 00 75 cb 48 c7 c7 10 47 15 # [ 45.927950] RSP: 0018:ffffb1620292fe48 EFLAGS: 00010286 # [ 45.940008] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 # [ 45.954198] RDX: ffff996bbacac660 RSI: ffff996bbac9bf70 RDI: ffff996bbac9bf70 # [ 45.968387] RBP: ffffffffb41f9783 R08: 0000000000000000 R09: 0000000000000000 # [ 45.982583] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 45.996770] R13: ffffb1620292ff10 R14: ffffb1620292ff10 R15: ffff996b43f2c000 # [ 46.010955] FS: 00007f6a37218580(0000) GS:ffff996bbac80000(0000) knlGS:0000000000000000 # [ 46.026214] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 46.038850] CR2: 00007f6a37022000 CR3: 00000001048cc003 CR4: 00000000003706e0 # [ 46.053043] Call Trace: # [ 46.061995] ? __warn+0x80/0x110 # [ 46.071811] ? refcount_warn_saturate+0x5[ 57.573761] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO 1/0x110 # [ 46.083184] ? report_bug+0x9e/0xc0 # [ 46.0932[ 57.581251] lkdtm: attempting good copy_to_user inside whitelist 96] ? handle_bug+0x41/0x90 # [ 46.103406] ? exc_invalid_op+[ 57.594208] lkdtm: attempting bad copy_to_user outside whitelist 0x14/0x70 # [ 46.113904] ? asm_exc_invalid_op+0x12/0x20 # [ 46.124795] ? refcount_warn_saturate+0x51/0x110 # [ 46.136167] ? refcount_warn_saturate+0x51/0x110 # [ 46.147544] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 # [ 46.159114] direct_entry.cold+0x2c/0x38 # [ 46.169730] full_proxy_write+0x53/0x80 # [ 46.180232] vfs_write+0xe7/0x3b0 # [ 46.190152] ksys_write+0x68/0xf0 # [ 46.200067] do_syscall_64+0x30/0x40 # [ 46.210276] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 46.222137] RIP: 0033:0x7f6a3712e473 # [ 46.232347] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 46.259553] RSP: 002b:00007fff58b1ba18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 46.274231] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f6a3712e473 # [ 46.288422] RDX: 0000000000000016 RSI: 00007f6a37022000 RDI: 0000000000000001 # [ 46.302612] RBP: 00007f6a37022000 R08: 00007f6a37021010 R09: 0000000000000000 # [ 46.316804] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 46.330993] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ [ 57.730064] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM [ 57.738894] lkdtm: attempting good copy_from_user inside whitelist 46.345188] irq event stamp: 0 # [ 46.354810] hardirqs last e[ 57.745827] lkdtm: attempting bad copy_from_user outside whitelist nabled at (0): [<0000000000000000>] 0x0 # [ 46.368030] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 46.383387] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 46.398753] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 46.411970] ---[ end trace 04bede4d306f3cf4 ]--- # [ 46.423342] 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 # [ 46.538048] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 46.548070] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 46.561194] ------------[ cut here ]------------ # [ 46.572557] refcount_t: saturated; leaking memory. # [ 46.577920] WARNING: CPU: 3 PID: 2033 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 46.587358] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub cros_usbpd_logger uvcvideo cros_usbpd_charger videobuf2_vmalloc snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_[ 57.884395] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_u[ 57.896390] lkdtm: good_stack: ffffb162034c7e20-ffffb162034c7e40 sbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_tabl[ 57.909323] lkdtm: bad_stack : ffffb162034c7da8-ffffb162034c7dc8 e # [ 46.646066] CPU: 3 PID: 2033 Comm: cat Tainted: G D[ 57.922283] lkdtm: attempting good copy_to_user of local stack [ 57.935005] lkdtm: attempting bad copy_to_user of distant stack W 5.10.182-cip34 #1 # [ 46.654741] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 46.661550] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 46.667389] Code: 01 01 e8 03 fe c0 00 0f 0b c3 cc cc cc cc 80 3d ec f2 f6 01 00 75 a8 48 c7 c7 e8 46 15 b4 c6 05 dc f2 f6 01 01 e8 e0 fd c0 00 <0f> 0b c3 cc cc cc cc 80 3d c6 f2 f6 01 00 75 85 48 c7 c7 40 47 15 # [ 46.688375] RSP: 0018:ffffb1620298fe38 EFLAGS: 00010282 # [ 46.694211] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 46.702182] RDX: ffff996bbadac660 RSI: ffff996bbad9bf70 RDI: ffff996bbad9bf70 # [ 46.710147] RBP: ffffffffb41f93c0 R08: 0000000000000000 R09: 0000000000000000 # [ 46.718118] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 46.726081] R13: ffffb1620298ff10 R14: ffffb1620298ff10 R15: ffff996b46775000 # [ 46.734052] FS: 00007f3a395f7580(0000) GS:ffff996bbad80000(0000) knlGS:0000000000000000 # [ 46.743092] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 46.749508] CR2: 00007f3a39401000 CR3: 0000000104128003 CR4: 00000000003706e0 # [ 46.757480] Call Trace: # [ 46.760213] ? __warn+0x80/0x110 # [ 46.763846] ? refcount_warn_sa[ 58.059608] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM turate+0x97/0x110 # [ 46.769003] ? report_bug+0x9e/0xc0 # [[ 58.066833] lkdtm: good_stack: ffffb1620355fe20-ffffb1620355fe40 46.772900] ? handle_bug+0x41/0x90 # [ 46.776817] ? exc_i[ 58.079763] lkdtm: bad_stack : ffffb1620355fda8-ffffb1620355fdc8 nvalid_op+0x14/0x70 # [ 46.781100] ? asm_exc_invalid_op+0x12[ 58.092720] lkdtm: attempting good copy_from_user of local stack /0x20 # [ 46.785773] ? refcount_warn_saturate+0x97/0x110 # [ 58.105680] lkdtm: attempting bad copy_from_user of distant stack [ 46.790954] ? refcount_warn_saturate+0x97/0x110 # [ 46.796111] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 46.802240] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 46.808466] direct_entry.cold+0x2c/0x38 # [ 46.812844] full_proxy_write+0x53/0x80 # [ 46.817129] vfs_write+0xe7/0x3b0 # [ 46.820833] ksys_write+0x68/0xf0 # [ 46.830752] do_syscall_64+0x30/0x40 # [ 46.834786] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 46.840439] RIP: 0033:0x7f3a3950d473 # [ 46.850643] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 46.871669] RSP: 002b:00007fff92ddfa08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 46.880136] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f3a3950d473 # [ 46.894324] RDX: 000000000000001f RSI: 00007f3a39401000 RDI: 0000000000000001 # [ 46.902325] RBP: 00007f3a39401000 R08: 00007f3a39400010 R09: 0000000000000000 # [ 46.916507] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 46.924481] R13: 0000000000000001 R14: 0000000000020000 R15: 0000[ 58.236456] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND [ 58.243546] lkdtm: good_stack: ffffb162035dfe20-ffffb162035dfe40 [ 58.250265] lkdtm: bad_stack : ffffb162035dfff8-ffffb162035e0018 000000020000 # [ 46.932458] irq event stamp: 0 # [ 46.9358[ 58.256992] lkdtm: attempting good copy_to_user of local stack [ 58.269732] lkdtm: attempting bad copy_to_user of distant stack [ 58.276381] lkdtm: copy_to_user failed, but lacked Oops 90] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 46.942891] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 46.952030] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 46.961166] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 46.968166] ---[ end trace 04bede4d306f3cf5 ]--- # [ 46.973322] lkdtm: Overflow detected: saturated # REFCOUNT_INC_NOT_ZERO_OVERFLOW: saw 'call trace:': ok ok 44 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh # [ 47.084260] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 47.098007] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 47.111155] ------------[ cut here ]------------ # [ 47.122507] refcount_t: saturated; leaking memory. # [ 47.134090] WARNING: CPU: 0 PID: 2065 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 47.149771] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub cros_usbpd_logger uvcvideo cros_usbpd_charger videobuf2_vmalloc snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compr[ 58.408887] lkdtm: Performing direct entry USERCOPY_KERNEL ess gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine vide[ 58.419004] lkdtm: attempting good copy_to_user from kernel rodata: ffffffffb3d7ecf0 obuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstor[ 58.433890] lkdtm: attempting bad copy_to_user from kernel text: ffffffffb24e1300 e cros_kbd_led_backlight coreboot_table # [ 47.208425] CPU: 0[ 58.448457] lkdtm: FAIL: survived bad copy_to_user() PID: 2065 Comm: cat Tainted: G D W 5.10.182-cip34 #1 # [ 47.223361] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 47.236376] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 47.248420] Code: 01 01 e8 03 fe c0 00 0f 0b c3 cc cc cc cc 80 3d ec f2 f6 01 00 75 a8 48 c7 c7 e8 46 15 b4 c6 05 dc f2 f6 01 01 e8 e0 fd c0 00 <0f> 0b c3 cc cc cc cc 80 3d c6 f2 f6 01 00 75 85 48 c7 c7 40 47 15 # [ 47.275620] RSP: 0018:ffffb16202a47e38 EFLAGS: 00010282 # [ 47.287682] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 47.301918] RDX: ffff996bbac2c660 RSI: ffff996bbac1bf70 RDI: ffff996bbac1bf70 # [ 47.316085] RBP: ffffffffb41f93e0 R08: 0000000000000000 R09: 0000000000000000 # [ 47.330254] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 47.344477] R13: ffffb16202a47f10 R14: ffffb16202a47f10 R15: ffff996b426de000 # [ 47.358660] FS: 00007f3c4eda1580(0000) GS:ffff996bbac00000(0000) knlGS:0000000000000000 # [ 47.373935] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 47.386568] CR2: 00007f3c4ebab000 CR3: 000000010652a006 CR4: 00000000003706f0 # [ 47.400777] Call Trace: # [ 47.409715] ? __warn+0x80/0x110 # [ 47.419538] ? refcount_warn_saturate+0x97/0x110 # [ 47.430915] ? report_bug+0x9e/0xc0 # [ 47.441038] ? handle_bu[ 58.588242] lkdtm: Performing direct entry STACKLEAK_ERASING [ 58.597218] lkdtm: checking unused part of the thread stack (15928 bytes)... [ 58.605153] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) g+0x41/0x90 # [ 47.451137] ? exc_invalid_op+0x14/0x70 # [ [ 58.612940] lkdtm: FAIL: the thread stack is NOT properly erased [ 58.625861] CPU: 3 PID: 2870 Comm: cat Tainted: G D W 5.10.182-cip34 #1 [ 58.634512] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 58.641315] Call Trace: [ 58.644045] dump_stack+0x77/0x9b [ 58.647742] lkdtm_STACKLEAK_ERASING+0x116/0x144 [ 58.652898] direct_entry.cold+0x2c/0x38 [ 58.657275] full_proxy_write+0x53/0x80 [ 58.661556] vfs_write+0xe7/0x3b0 [ 58.665255] ksys_write+0x68/0xf0 [ 58.668953] do_syscall_64+0x30/0x40 [ 58.672943] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 58.678580] RIP: 0033:0x7f30b0b97473 [ 58.682568] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 58.703551] RSP: 002b:00007ffc9a963ad8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 58.712006] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f30b0b97473 [ 58.719974] RDX: 0000000000000012 RSI: 00007f30b0a8b000 RDI: 0000000000000001 [ 58.727944] RBP: 00007f30b0a8b000 R08: 00007f30b0a8a010 R09: 0000000000000000 [ 58.735912] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 58.743880] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 47.461664] ? asm_exc_invalid_op+0x12/0x20 # [ 47.472519] ? refcount_warn_saturate+0x97/0x110 # [ 47.483889] ? refcount_warn_saturate+0x97/0x110 # [ 47.495285] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 47.507650] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 47.520052] direct_entry.cold+0x2c/0x38 # [ 47.530692] full_proxy_write+0x53/0x80 # [ 47.541207] vfs_write+0xe7/0x3b0 # [ 47.551120] ksys_write+0x68/0xf0 # [ 47.561058] do_syscall_64+0x30/0x40 # [ 47.571250] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 47.583107] RIP: 0033:0x7f3c4ecb7473 # [ 47.593352] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 47.620576] RSP: 002b:00007ffc150ac608 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 47.635234] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f3c4ecb7473 # [ 47.643239] RDX: 000000000000001f RSI: 00007f3c4ebab000 RDI: 0000000000000001 # [ 47.657430] RBP: 00007f3c4ebab000 R08: 00007f3c4ebaa010 R09: 0000000000000000 # [ 47.671603] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 47.679582] R13: 0000000000[ 58.871861] lkdtm: Performing direct entry CFI_FORWARD_PROTO 000001 R14: 0000000000020000 R15: 0000000000020000 # [ 47.693[ 58.882616] lkdtm: Calling matched prototype ... 800] irq event stamp: 0 # [ 47.703406] hardirqs last enabled[ 58.893995] lkdtm: Calling mismatched prototype ... at (0): [<0000000000000000>] 0x0 # [ 47.716660] hardirqs las[ 58.905676] lkdtm: Fail: survived mismatched prototype function call! t disabled at (0): [] copy_process+0x664/0x1c60 # [ 47.731997] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 47.747349] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 47.754365] ---[ end trace 04bede4d306f3cf6 ]--- # [ 47.765769] 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 # [ 47.925616] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 47.932683] lkdtm: attempting good refcount_dec() # [ 47.937947] lkdtm: attempting bad refcount_dec() to zero # [ 47.950093] ------------[ cut here ]------------ # [ 47.955281] refcount_t: decrement hit 0; leaking memory. # [ 47.961248] WARNING: CPU: 3 PID: 2097 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 47.970685] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub cros_usbpd_logger uvcvideo cros_usbpd_charger videobuf2_vmalloc snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 48.029354] CPU: 3 PID: 2097 Comm: cat Tainted: G D W 5.10.182-cip34 #1 # [ 48.038037] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 48.044846] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 48.050684] Code: 98 47 15 b4 c6 05 8d f2 f6 01 01 e8 96 fd c0 00 0f 0b c3 cc cc cc cc 48 c7 c7 68 47 15 b4 c6 05 74 f2 f6 01 01 e8 7c fd c0 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 48.071681] RSP: 0018:ffffb16202ac7e48 EFLAGS: 00010286 # [ 48.077523] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 # [ 48.091711] RDX: ffff996bbadac660 RSI: ffff996bbad9bf70 RDI: ffff996bbad9bf70 # [ 48.105900] RBP: ffffffffb41f9799 R08: 0000000000000000 R09: 0000000000000000 # [ 48.113872] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 48.121847] R13: ffffb16202ac7f10 R14: ffffb16202ac7f10 R15: ffff996b45b79000 # [ 48.129820] FS: 00007f4c46a11580(0000) GS:ffff996bbad80000(0000) knlGS:0000000000000000 # [ 48.138885] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 48.145309] CR2: 00007f4c4681b000 CR3: 00000001026f2004 CR4: 00000000003706e0 # [ 48.159490] Call Trace: # [ 48.162223] ? __warn+0x80/0x110 # [ 48.165857] ? refcount_warn_saturate+0xfb/0x110 # [ 48.177221] ? report_bug+0x9e/0xc0 # [ 48.181117] ? handle_bug+0x41/0x90 # [ 48.185042] ? exc_invalid_op+0x14/0x70 # [ 48.189328] ? asm_exc_invalid_op+0x12/0x20 # [ 48.194035] ? refcount_warn_saturate+0xfb/0x110 # [ 48.199221] ? refcount_warn_saturate+0xfb/0x110 # [ 48.210587] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd # [ 48.215555] direct_entry.cold+0x2c/0x38 # [ 48.219967] full_proxy_write+0x53/0x80 # [ 48.224254] vfs_write+0xe7/0x3b0 # [ 48.227986] ksys_write+0x68/0xf0 # [ 48.231691] do_syscall_64+0x30/0x40 # [ 48.235691] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 48.241336] RIP: 0033:0x7f4c46927473 # [ 48.245327] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 48.266315] RSP: 002b:00007ffe90219948 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 48.274776] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f4c46927473 # [ 48.282750] RDX: 0000000000000012 RSI: 00007f4c4681b000 RDI: 0000000000000001 # [ 48.290735] RBP: 00007f4c4681b000 R08: 00007f4c4681a010 R09: 0000000000000000 # [ 48.298747] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 48.306733] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 48.314749] irq event stamp: 0 # [ 48.318185] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 48.331395] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 48.340533] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 48.349679] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 48.356680] ---[ end trace 04bede4d306f3cf7 ]--- # [ 48.368050] 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 # [ 48.502838] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 48.509948] lkdtm: attempting bad refcount_dec() below zero # [ 48.516174] ------------[ cut here ]------------ # [ 48.521330] refcount_t: decrement hit 0; leaking memory. # [ 48.527295] WARNING: CPU: 3 PID: 2132 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 48.542948] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub cros_usbpd_logger uvcvideo cros_usbpd_charger videobuf2_vmalloc snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 48.601681] CPU: 3 PID: 2132 Comm: cat Tainted: G D W 5.10.182-cip34 #1 # [ 48.616547] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 48.623354] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 48.629190] Code: 98 47 15 b4 c6 05 8d f2 f6 01 01 e8 96 fd c0 00 0f 0b c3 cc cc cc cc 48 c7 c7 68 47 15 b4 c6 05 74 f2 f6 01 01 e8 7c fd c0 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 48.650173] RSP: 0018:ffffb16202b47e48 EFLAGS: 00010286 # [ 48.656011] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 # [ 48.670204] RDX: ffff996bbadac660 RSI: ffff996bbad9bf70 RDI: ffff996bbad9bf70 # [ 48.678200] RBP: ffffffffb41f97ab R08: 0000000000000000 R09: 0000000000000000 # [ 48.686165] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 48.694137] R13: ffffb16202b47f10 R14: ffffb16202b47f10 R15: ffff996b426d5000 # [ 48.702107] FS: 00007fa6b875f580(0000) GS:ffff996bbad80000(0000) knlGS:0000000000000000 # [ 48.711152] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 48.717600] CR2: 00007fa6b8569000 CR3: 0000000105b84002 CR4: 00000000003706e0 # [ 48.731782] Call Trace: # [ 48.734515] ? __warn+0x80/0x110 # [ 48.738148] ? refcount_warn_saturate+0xfb/0x110 # [ 48.743304] ? report_bug+0x9e/0xc0 # [ 48.747198] ? handle_bug+0x41/0x90 # [ 48.751091] ? exc_invalid_op+0x14/0x70 # [ 48.755371] ? asm_exc_invalid_op+0x12/0x20 # [ 48.760045] ? refcount_warn_saturate+0xfb/0x110 # [ 48.765223] ? refcount_warn_saturate+0xfb/0x110 # [ 48.770380] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 # [ 48.775737] direct_entry.cold+0x2c/0x38 # [ 48.780118] full_proxy_write+0x53/0x80 # [ 48.784427] vfs_write+0xe7/0x3b0 # [ 48.788127] ksys_write+0x68/0xf0 # [ 48.791828] do_syscall_64+0x30/0x40 # [ 48.795819] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 48.801462] RIP: 0033:0x7fa6b8675473 # [ 48.805453] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 48.826440] RSP: 002b:00007ffee1736568 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 48.834899] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fa6b8675473 # [ 48.842871] RDX: 0000000000000016 RSI: 00007fa6b8569000 RDI: 0000000000000001 # [ 48.850843] RBP: 00007fa6b8569000 R08: 00007fa6b8568010 R09: 0000000000000000 # [ 48.858813] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 48.866785] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 48.874762] irq event stamp: 0 # [ 48.878193] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 48.885195] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 48.894334] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 48.903470] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 48.910471] ---[ end trace 04bede4d306f3cf8 ]--- # [ 48.915626] 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 # [ 49.032025] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 49.040160] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 49.053479] ------------[ cut here ]------------ # [ 49.064851] refcount_t: underflow; use-after-free. # [ 49.076434] WARNING: CPU: 1 PID: 2167 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 49.092071] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub cros_usbpd_logger uvcvideo cros_usbpd_charger videobuf2_vmalloc snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 49.150740] CPU: 1 PID: 2167 Comm: cat Tainted: G D W 5.10.182-cip34 #1 # [ 49.165606] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 49.178625] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 49.190679] Code: 01 01 e8 e0 fd c0 00 0f 0b c3 cc cc cc cc 80 3d c6 f2 f6 01 00 75 85 48 c7 c7 40 47 15 b4 c6 05 b6 f2 f6 01 01 e8 bd fd c0 00 <0f> 0b c3 cc cc cc cc 80 3d a1 f2 f6 01 00 0f 85 5e ff ff ff 48 c7 # [ 49.217876] RSP: 0018:ffffb16202bdfe40 EFLAGS: 00010286 # [ 49.223730] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 # [ 49.237911] RDX: ffff996bbacac660 RSI: ffff996bbac9bf70 RDI: ffff996bbac9bf70 # [ 49.245882] RBP: ffffffffb41f9400 R08: 0000000000000000 R09: 0000000000000000 # [ 49.260061] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 49.268035] R13: ffffb16202bdff10 R14: ffffb16202bdff10 R15: ffff996b45f5c000 # [ 49.282216] FS: 00007f62f4d09580(0000) GS:ffff996bbac80000(0000) knlGS:0000000000000000 # [ 49.291256] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 49.303881] CR2: 00007f62f4b13000 CR3: 000000010412e002 CR4: 00000000003706e0 # [ 49.311853] Call Trace: # [ 49.320796] ? __warn+0x80/0x110 # [ 49.330609] ? refcount_warn_saturate+0xba/0x110 # [ 49.335766] ? report_bug+0x9e/0xc0 # [ 49.345869] ? handle_bug+0x41/0x90 # [ 49.355984] ? exc_invalid_op+0x14/0x70 # [ 49.366483] ? asm_exc_invalid_op+0x12/0x20 # [ 49.377378] ? refcount_warn_saturate+0xba/0x110 # [ 49.388747] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 49.401086] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 # [ 49.413526] direct_entry.cold+0x2c/0x38 # [ 49.424121] full_proxy_write+0x53/0x80 # [ 49.434618] vfs_write+0xe7/0x3b0 # [ 49.444534] ksys_write+0x68/0xf0 # [ 49.454448] do_syscall_64+0x30/0x40 # [ 49.464653] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 49.476509] RIP: 0033:0x7f62f4c1f473 # [ 49.486713] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 49.513909] RSP: 002b:00007fffd502f938 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 49.528581] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f62f4c1f473 # [ 49.542767] RDX: 000000000000001f RSI: 00007f62f4b13000 RDI: 0000000000000001 # [ 49.556955] RBP: 00007f62f4b13000 R08: 00007f62f4b12010 R09: 0000000000000000 # [ 49.571146] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 49.585336] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 49.599530] irq event stamp: 0 # [ 49.609150] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 49.622365] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 49.637720] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 49.653073] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 49.666286] ---[ end trace 04bede4d306f3cf9 ]--- # [ 49.677675] 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 # [ 49.798605] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 49.808420] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 49.821756] ------------[ cut here ]------------ # [ 49.833140] refcount_t: underflow; use-after-free. # [ 49.844753] WARNING: CPU: 0 PID: 2202 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 49.860379] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub cros_usbpd_logger uvcvideo cros_usbpd_charger videobuf2_vmalloc snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 49.919068] CPU: 0 PID: 2202 Comm: cat Tainted: G D W 5.10.182-cip34 #1 # [ 49.933948] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 49.947019] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 49.959039] Code: 01 01 e8 e0 fd c0 00 0f 0b c3 cc cc cc cc 80 3d c6 f2 f6 01 00 75 85 48 c7 c7 40 47 15 b4 c6 05 b6 f2 f6 01 01 e8 bd fd c0 00 <0f> 0b c3 cc cc cc cc 80 3d a1 f2 f6 01 00 0f 85 5e ff ff ff 48 c7 # [ 49.986264] RSP: 0018:ffffb16202c5fe40 EFLAGS: 00010286 # [ 49.998346] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 # [ 50.012500] RDX: ffff996bbac2c660 RSI: ffff996bbac1bf70 RDI: ffff996bbac1bf70 # [ 50.026725] RBP: ffffffffb41f9420 R08: 0000000000000000 R09: 0000000000000000 # [ 50.040873] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 50.055072] R13: ffffb16202c5ff10 R14: ffffb16202c5ff10 R15: ffff996b466f9000 # [ 50.069265] FS: 00007f9434d25580(0000) GS:ffff996bbac00000(0000) knlGS:0000000000000000 # [ 50.084527] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 50.097141] CR2: 00007f9434b2f000 CR3: 00000001047d0003 CR4: 00000000003706f0 # [ 50.111320] Call Trace: # [ 50.120271] ? __warn+0x80/0x110 # [ 50.130074] ? refcount_warn_saturate+0xba/0x110 # [ 50.141447] ? report_bug+0x9e/0xc0 # [ 50.151552] ? handle_bug+0x41/0x90 # [ 50.161646] ? exc_invalid_op+0x14/0x70 # [ 50.172166] ? asm_exc_invalid_op+0x12/0x20 # [ 50.183075] ? refcount_warn_saturate+0xba/0x110 # [ 50.194459] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 50.206798] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b # [ 50.219242] direct_entry.cold+0x2c/0x38 # [ 50.229859] full_proxy_write+0x53/0x80 # [ 50.240355] vfs_write+0xe7/0x3b0 # [ 50.250281] ksys_write+0x68/0xf0 # [ 50.260186] do_syscall_64+0x30/0x40 # [ 50.270393] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 50.282247] RIP: 0033:0x7f9434c3b473 # [ 50.292448] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 50.319653] RSP: 002b:00007ffde20332e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 50.334314] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f9434c3b473 # [ 50.348524] RDX: 000000000000001f RSI: 00007f9434b2f000 RDI: 0000000000000001 # [ 50.362693] RBP: 00007f9434b2f000 R08: 00007f9434b2e010 R09: 0000000000000000 # [ 50.376908] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 50.391058] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 50.405288] irq event stamp: 0 # [ 50.414869] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 50.428116] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 50.443513] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 50.458850] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 50.472094] ---[ end trace 04bede4d306f3cfa ]--- # [ 50.483444] 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 # [ 50.640181] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 50.650186] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 50.657304] lkdtm: Good: zero detected # [ 50.661501] lkdtm: Correctly stayed at zero # [ 50.666178] lkdtm: attempting bad refcount_inc() from zero # [ 50.672306] ------------[ cut here ]------------ # [ 50.677461] refcount_t: addition on 0; use-after-free. # [ 50.683229] WARNING: CPU: 3 PID: 2234 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 50.692663] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub cros_usbpd_logger uvcvideo cros_usbpd_charger videobuf2_vmalloc snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 50.751333] CPU: 3 PID: 2234 Comm: cat Tainted: G D W 5.10.182-cip34 #1 # [ 50.760007] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 50.766814] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 50.772667] Code: 01 01 e8 26 fe c0 00 0f 0b c3 cc cc cc cc 80 3d 0d f3 f6 01 00 75 cb 48 c7 c7 10 47 15 b4 c6 05 fd f2 f6 01 01 e8 03 fe c0 00 <0f> 0b c3 cc cc cc cc 80 3d ec f2 f6 01 00 75 a8 48 c7 c7 e8 46 15 # [ 50.793660] RSP: 0018:ffffb16202cbfe48 EFLAGS: 00010286 # [ 50.805708] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 # [ 50.813682] RDX: ffff996bbadac660 RSI: ffff996bbad9bf70 RDI: ffff996bbad9bf70 # [ 50.827871] RBP: ffffffffb41f97c1 R08: 0000000000000000 R09: 0000000000000000 # [ 50.835873] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 50.843845] R13: ffffb16202cbff10 R14: ffffb16202cbff10 R15: ffff996b43cd9000 # [ 50.851816] FS: 00007f6a389c9580(0000) GS:ffff996bbad80000(0000) knlGS:0000000000000000 # [ 50.860855] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 50.867266] CR2: 00007f6a387d3000 CR3: 00000001029b8006 CR4: 00000000003706e0 # [ 50.875239] Call Trace: # [ 50.877970] ? __warn+0x80/0x110 # [ 50.881594] ? refcount_warn_saturate+0x74/0x110 # [ 50.886751] ? report_bug+0x9e/0xc0 # [ 50.890664] ? handle_bug+0x41/0x90 # [ 50.894567] ? exc_invalid_op+0x14/0x70 # [ 50.905061] ? asm_exc_invalid_op+0x12/0x20 # [ 50.909738] ? refcount_warn_saturate+0x74/0x110 # [ 50.914918] ? refcount_warn_saturate+0x74/0x110 # [ 50.920074] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 # [ 50.925037] direct_entry.cold+0x2c/0x38 # [ 50.929419] full_proxy_write+0x53/0x80 # [ 50.933718] vfs_write+0xe7/0x3b0 # [ 50.937449] ksys_write+0x68/0xf0 # [ 50.941147] do_syscall_64+0x30/0x40 # [ 50.945138] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 50.950779] RIP: 0033:0x7f6a388df473 # [ 50.954770] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 50.975758] RSP: 002b:00007ffcb5d54a38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 50.984217] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f6a388df473 # [ 50.992190] RDX: 0000000000000012 RSI: 00007f6a387d3000 RDI: 0000000000000001 # [ 51.000164] RBP: 00007f6a387d3000 R08: 00007f6a387d2010 R09: 0000000000000000 # [ 51.008136] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 51.016106] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 51.024082] irq event stamp: 0 # [ 51.027520] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 51.034523] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 51.043680] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 51.052817] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 51.066030] ---[ end trace 04bede4d306f3cfb ]--- # [ 51.071186] 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 # [ 51.226495] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 51.237563] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 51.250876] lkdtm: Good: zero detected # [ 51.261274] lkdtm: Correctly stayed at zero # [ 51.272161] lkdtm: attempting bad refcount_add() from zero # [ 51.278292] ------------[ cut here ]------------ # [ 51.289684] refcount_t: addition on 0; use-after-free. # [ 51.301701] WARNING: CPU: 1 PID: 2266 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 51.317325] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub cros_usbpd_logger uvcvideo cros_usbpd_charger videobuf2_vmalloc snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 51.375994] CPU: 1 PID: 2266 Comm: cat Tainted: G D W 5.10.182-cip34 #1 # [ 51.384650] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 51.397673] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 51.409730] Code: 01 01 e8 26 fe c0 00 0f 0b c3 cc cc cc cc 80 3d 0d f3 f6 01 00 75 cb 48 c7 c7 10 47 15 b4 c6 05 fd f2 f6 01 01 e8 03 fe c0 00 <0f> 0b c3 cc cc cc cc 80 3d ec f2 f6 01 00 75 a8 48 c7 c7 e8 46 15 # [ 51.430731] RSP: 0018:ffffb16202d4fe48 EFLAGS: 00010286 # [ 51.442777] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 # [ 51.450751] RDX: ffff996bbacac660 RSI: ffff996bbac9bf70 RDI: ffff996bbac9bf70 # [ 51.458726] RBP: ffffffffb41f97d3 R08: 0000000000000000 R09: 0000000000000000 # [ 51.466698] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 51.474677] R13: ffffb16202d4ff10 R14: ffffb16202d4ff10 R15: ffff996b46478000 # [ 51.488855] FS: 00007fc0c2535580(0000) GS:ffff996bbac80000(0000) knlGS:0000000000000000 # [ 51.497894] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 51.510520] CR2: 00007fc0c233f000 CR3: 0000000103bd8006 CR4: 00000000003706e0 # [ 51.518491] Call Trace: # [ 51.527434] ? __warn+0x80/0x110 # [ 51.537250] ? refcount_warn_saturate+0x74/0x110 # [ 51.542407] ? report_bug+0x9e/0xc0 # [ 51.552510] ? handle_bug+0x41/0x90 # [ 51.562616] ? exc_invalid_op+0x14/0x70 # [ 51.566900] ? asm_exc_invalid_op+0x12/0x20 # [ 51.577784] ? refcount_warn_saturate+0x74/0x110 # [ 51.589152] ? refcount_warn_saturate+0x74/0x110 # [ 51.594308] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 # [ 51.605479] direct_entry.cold+0x2c/0x38 # [ 51.609861] full_proxy_write+0x53/0x80 # [ 51.620355] vfs_write+0xe7/0x3b0 # [ 51.630267] ksys_write+0x68/0xf0 # [ 51.633968] do_syscall_64+0x30/0x40 # [ 51.644168] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 51.649812] RIP: 0033:0x7fc0c244b473 # [ 51.660016] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 51.687221] RSP: 002b:00007ffc847aa2c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 51.701894] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fc0c244b473 # [ 51.709869] RDX: 0000000000000012 RSI: 00007fc0c233f000 RDI: 0000000000000001 # [ 51.724050] RBP: 00007fc0c233f000 R08: 00007fc0c233e010 R09: 0000000000000000 # [ 51.732022] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 51.746203] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 51.754180] irq event stamp: 0 # [ 51.763796] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 51.770799] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 51.786145] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 51.795285] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 51.808493] ---[ end trace 04bede4d306f3cfc ]--- # [ 51.813669] 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 # [ 51.944835] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 51.955690] lkdtm: attempting bad refcount_inc() from saturated # [ 51.968518] ------------[ cut here ]------------ # [ 51.979881] refcount_t: saturated; leaking memory. # [ 51.991464] WARNING: CPU: 1 PID: 2301 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 52.007094] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub cros_usbpd_logger uvcvideo cros_usbpd_charger videobuf2_vmalloc snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 52.065765] CPU: 1 PID: 2301 Comm: cat Tainted: G D W 5.10.182-cip34 #1 # [ 52.080632] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 52.093650] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 52.105701] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 31 f3 f6 01 00 75 ee 48 c7 c7 e8 46 15 b4 c6 05 21 f3 f6 01 01 e8 26 fe c0 00 <0f> 0b c3 cc cc cc cc 80 3d 0d f3 f6 01 00 75 cb 48 c7 c7 10 47 15 # [ 52.132897] RSP: 0018:ffffb16202d9fe48 EFLAGS: 00010286 # [ 52.144947] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 # [ 52.159141] RDX: ffff996bbacac660 RSI: ffff996bbac9bf70 RDI: ffff996bbac9bf70 # [ 52.173329] RBP: ffffffffb41f97e5 R08: 0000000000000000 R09: 0000000000000000 # [ 52.181305] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 52.189277] R13: ffffb16202d9ff10 R14: ffffb16202d9ff10 R15: ffff996b4403e000 # [ 52.203457] FS: 00007f66a8ae6580(0000) GS:ffff996bbac80000(0000) knlGS:0000000000000000 # [ 52.212499] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 52.225127] CR2: 00007f66a88f0000 CR3: 000000010274a003 CR4: 00000000003706e0 # [ 52.233099] Call Trace: # [ 52.242059] ? __warn+0x80/0x110 # [ 52.251859] ? refcount_warn_saturate+0x51/0x110 # [ 52.257019] ? report_bug+0x9e/0xc0 # [ 52.260918] ? handle_bug+0x41/0x90 # [ 52.264821] ? exc_invalid_op+0x14/0x70 # [ 52.269108] ? asm_exc_invalid_op+0x12/0x20 # [ 52.273788] ? refcount_warn_saturate+0x51/0x110 # [ 52.278954] ? refcount_warn_saturate+0x51/0x110 # [ 52.290322] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 # [ 52.295773] direct_entry.cold+0x2c/0x38 # [ 52.300157] full_proxy_write+0x53/0x80 # [ 52.310647] vfs_write+0xe7/0x3b0 # [ 52.320586] ksys_write+0x68/0xf0 # [ 52.330501] do_syscall_64+0x30/0x40 # [ 52.340724] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 52.346391] RIP: 0033:0x7f66a89fc473 # [ 52.350408] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 52.377600] RSP: 002b:00007ffdca9543f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 52.386060] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f66a89fc473 # [ 52.400244] RDX: 0000000000000017 RSI: 00007f66a88f0000 RDI: 0000000000000001 # [ 52.408216] RBP: 00007f66a88f0000 R08: 00007f66a88ef010 R09: 0000000000000000 # [ 52.422401] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 52.430374] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 52.444562] irq event stamp: 0 # [ 52.454209] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 52.467426] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 52.482777] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 52.498128] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 52.511343] ---[ end trace 04bede4d306f3cfd ]--- # [ 52.516501] 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 # [ 52.648416] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 52.659657] lkdtm: attempting bad refcount_dec() from saturated # [ 52.672492] ------------[ cut here ]------------ # [ 52.683857] refcount_t: decrement hit 0; leaking memory. # [ 52.696018] WARNING: CPU: 1 PID: 2336 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 52.711679] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub cros_usbpd_logger uvcvideo cros_usbpd_charger videobuf2_vmalloc snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 52.770360] CPU: 1 PID: 2336 Comm: cat Tainted: G D W 5.10.182-cip34 #1 # [ 52.785205] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 52.798225] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 52.810277] Code: 98 47 15 b4 c6 05 8d f2 f6 01 01 e8 96 fd c0 00 0f 0b c3 cc cc cc cc 48 c7 c7 68 47 15 b4 c6 05 74 f2 f6 01 01 e8 7c fd c0 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 52.837478] RSP: 0018:ffffb16202e0fe48 EFLAGS: 00010286 # [ 52.843315] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 # [ 52.857495] RDX: ffff996bbacac660 RSI: ffff996bbac9bf70 RDI: ffff996bbac9bf70 # [ 52.865468] RBP: ffffffffb41f97fc R08: 0000000000000000 R09: 0000000000000000 # [ 52.879652] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 52.887665] R13: ffffb16202e0ff10 R14: ffffb16202e0ff10 R15: ffff996b4489e000 # [ 52.901830] FS: 00007f9253c88580(0000) GS:ffff996bbac80000(0000) knlGS:0000000000000000 # [ 52.910870] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 52.923495] CR2: 00007f9253a92000 CR3: 0000000103f46001 CR4: 00000000003706e0 # [ 52.931466] Call Trace: # [ 52.940409] ? __warn+0x80/0x110 # [ 52.950222] ? refcount_warn_saturate+0xfb/0x110 # [ 52.955378] ? report_bug+0x9e/0xc0 # [ 52.965485] ? handle_bug+0x41/0x90 # [ 52.975595] ? exc_invalid_op+0x14/0x70 # [ 52.986094] ? asm_exc_invalid_op+0x12/0x20 # [ 52.996981] ? refcount_warn_saturate+0xfb/0x110 # [ 53.008348] ? refcount_warn_saturate+0xfb/0x110 # [ 53.019734] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f # [ 53.031397] direct_entry.cold+0x2c/0x38 # [ 53.041994] full_proxy_write+0x53/0x80 # [ 53.052493] vfs_write+0xe7/0x3b0 # [ 53.062406] ksys_write+0x68/0xf0 # [ 53.072321] do_syscall_64+0x30/0x40 # [ 53.082527] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 53.094383] RIP: 0033:0x7f9253b9e473 # [ 53.104589] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 53.131788] RSP: 002b:00007ffca9f38498 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 53.146460] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f9253b9e473 # [ 53.160645] RDX: 0000000000000017 RSI: 00007f9253a92000 RDI: 0000000000000001 # [ 53.174830] RBP: 00007f9253a92000 R08: 00007f9253a91010 R09: 0000000000000000 # [ 53.189016] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 53.203201] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 53.217391] irq event stamp: 0 # [ 53.227009] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 53.240223] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 53.255577] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 53.270932] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 53.284148] ---[ end trace 04bede4d306f3cfe ]--- # [ 53.295516] 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 # [ 53.428226] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 53.438683] lkdtm: attempting bad refcount_dec() from saturated # [ 53.451519] ------------[ cut here ]------------ # [ 53.456683] refcount_t: saturated; leaking memory. # [ 53.462045] WARNING: CPU: 3 PID: 2371 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 53.477681] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub cros_usbpd_logger uvcvideo cros_usbpd_charger videobuf2_vmalloc snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 53.536348] CPU: 3 PID: 2371 Comm: cat Tainted: G D W 5.10.182-cip34 #1 # [ 53.545002] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 53.558029] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 53.563896] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 31 f3 f6 01 00 75 ee 48 c7 c7 e8 46 15 b4 c6 05 21 f3 f6 01 01 e8 26 fe c0 00 <0f> 0b c3 cc cc cc cc 80 3d 0d f3 f6 01 00 75 cb 48 c7 c7 10 47 15 # [ 53.584877] RSP: 0018:ffffb16202e47e48 EFLAGS: 00010286 # [ 53.590726] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 # [ 53.598746] RDX: ffff996bbadac660 RSI: ffff996bbad9bf70 RDI: ffff996bbad9bf70 # [ 53.606750] RBP: ffffffffb41f9813 R08: 0000000000000000 R09: 0000000000000000 # [ 53.614746] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 53.622736] R13: ffffb16202e47f10 R14: ffffb16202e47f10 R15: ffff996b448cb000 # [ 53.630709] FS: 00007fe802f6b580(0000) GS:ffff996bbad80000(0000) knlGS:0000000000000000 # [ 53.639748] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 53.646167] CR2: 00007fe802d75000 CR3: 0000000103db4004 CR4: 00000000003706e0 # [ 53.654137] Call Trace: # [ 53.656870] ? __warn+0x80/0x110 # [ 53.660500] ? refcount_warn_saturate+0x51/0x110 # [ 53.671866] ? report_bug+0x9e/0xc0 # [ 53.675761] ? handle_bug+0x41/0x90 # [ 53.679679] ? exc_invalid_op+0x14/0x70 # [ 53.683965] ? asm_exc_invalid_op+0x12/0x20 # [ 53.694846] ? refcount_warn_saturate+0x51/0x110 # [ 53.700029] ? refcount_warn_saturate+0x51/0x110 # [ 53.711393] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 # [ 53.716841] direct_entry.cold+0x2c/0x38 # [ 53.721247] full_proxy_write+0x53/0x80 # [ 53.725555] vfs_write+0xe7/0x3b0 # [ 53.729279] ksys_write+0x68/0xf0 # [ 53.732981] do_syscall_64+0x30/0x40 # [ 53.736972] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 53.742613] RIP: 0033:0x7fe802e81473 # [ 53.746603] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 53.767586] RSP: 002b:00007ffd793354d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 53.776042] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fe802e81473 # [ 53.784014] RDX: 0000000000000017 RSI: 00007fe802d75000 RDI: 0000000000000001 # [ 53.791984] RBP: 00007fe802d75000 R08: 00007fe802d74010 R09: 0000000000000000 # [ 53.799955] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 53.807925] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 53.815905] irq event stamp: 0 # [ 53.825526] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 53.832527] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 53.847876] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 53.857010] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 53.864009] ---[ end trace 04bede4d306f3cff ]--- # [ 53.869164] 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 # [ 53.997697] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 54.007197] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 54.020925] ------------[ cut here ]------------ # [ 54.032289] refcount_t: saturated; leaking memory. # [ 54.043905] WARNING: CPU: 0 PID: 2403 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 54.059542] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub cros_usbpd_logger uvcvideo cros_usbpd_charger videobuf2_vmalloc snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 54.118200] CPU: 0 PID: 2403 Comm: cat Tainted: G D W 5.10.182-cip34 #1 # [ 54.133102] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 54.146221] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 54.158210] Code: 01 01 e8 03 fe c0 00 0f 0b c3 cc cc cc cc 80 3d ec f2 f6 01 00 75 a8 48 c7 c7 e8 46 15 b4 c6 05 dc f2 f6 01 01 e8 e0 fd c0 00 <0f> 0b c3 cc cc cc cc 80 3d c6 f2 f6 01 00 75 85 48 c7 c7 40 47 15 # [ 54.185498] RSP: 0018:ffffb16202f37e38 EFLAGS: 00010282 # [ 54.197508] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 54.211719] RDX: ffff996bbac2c660 RSI: ffff996bbac1bf70 RDI: ffff996bbac1bf70 # [ 54.225915] RBP: ffffffffb41f9440 R08: 0000000000000000 R09: 0000000000000000 # [ 54.240137] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 54.254289] R13: ffffb16202f37f10 R14: ffffb16202f37f10 R15: ffff996b45911000 # [ 54.268532] FS: 00007fc3304d5580(0000) GS:ffff996bbac00000(0000) knlGS:0000000000000000 # [ 54.283779] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.296470] CR2: 00007fc3302df000 CR3: 0000000103b82002 CR4: 00000000003706f0 # [ 54.310625] Call Trace: # [ 54.319588] ? __warn+0x80/0x110 # [ 54.329401] ? refcount_warn_saturate+0x97/0x110 # [ 54.340842] ? report_bug+0x9e/0xc0 # [ 54.350917] ? handle_bug+0x41/0x90 # [ 54.361124] ? exc_invalid_op+0x14/0x70 # [ 54.371551] ? asm_exc_invalid_op+0x12/0x20 # [ 54.382462] ? refcount_warn_saturate+0x97/0x110 # [ 54.393840] ? refcount_warn_saturate+0x97/0x110 # [ 54.405229] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 54.417581] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 # [ 54.430114] direct_entry.cold+0x2c/0x38 # [ 54.440723] full_proxy_write+0x53/0x80 # [ 54.451226] vfs_write+0xe7/0x3b0 # [ 54.461146] ksys_write+0x68/0xf0 # [ 54.471079] do_syscall_64+0x30/0x40 # [ 54.481246] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 54.493140] RIP: 0033:0x7fc3303eb473 # [ 54.503331] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 54.530565] RSP: 002b:00007ffced5236c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 54.545222] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fc3303eb473 # [ 54.553231] RDX: 0000000000000020 RSI: 00007fc3302df000 RDI: 0000000000000001 # [ 54.567375] RBP: 00007fc3302df000 R08: 00007fc3302de010 R09: 0000000000000000 # [ 54.575373] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 54.589553] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 54.603764] irq event stamp: 0 # [ 54.613386] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 54.626566] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 54.641916] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 54.657304] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 54.670505] ---[ end trace 04bede4d306f3d00 ]--- # [ 54.675688] 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 # [ 54.952789] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 54.965009] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 54.978758] ------------[ cut here ]------------ # [ 54.990121] refcount_t: saturated; leaking memory. # [ 55.001757] WARNING: CPU: 0 PID: 2435 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 55.017352] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub cros_usbpd_logger uvcvideo cros_usbpd_charger videobuf2_vmalloc snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 55.076072] CPU: 0 PID: 2435 Comm: cat Tainted: G D W 5.10.182-cip34 #1 # [ 55.090898] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 55.103979] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 55.115976] Code: 01 01 e8 03 fe c0 00 0f 0b c3 cc cc cc cc 80 3d ec f2 f6 01 00 75 a8 48 c7 c7 e8 46 15 b4 c6 05 dc f2 f6 01 01 e8 e0 fd c0 00 <0f> 0b c3 cc cc cc cc 80 3d c6 f2 f6 01 00 75 85 48 c7 c7 40 47 15 # [ 55.143217] RSP: 0018:ffffb16202f9fe38 EFLAGS: 00010282 # [ 55.155229] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 55.169410] RDX: ffff996bbac2c660 RSI: ffff996bbac1bf70 RDI: ffff996bbac1bf70 # [ 55.183592] RBP: ffffffffb41f9460 R08: 0000000000000000 R09: 0000000000000000 # [ 55.197800] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 55.212011] R13: ffffb16202f9ff10 R14: ffffb16202f9ff10 R15: ffff996b45c6b000 # [ 55.226195] FS: 00007fc0dfdb9580(0000) GS:ffff996bbac00000(0000) knlGS:0000000000000000 # [ 55.241434] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.254108] CR2: 00007fc0dfbc3000 CR3: 0000000103cde006 CR4: 00000000003706f0 # [ 55.268314] Call Trace: # [ 55.277266] ? __warn+0x80/0x110 # [ 55.287106] ? refcount_warn_saturate+0x97/0x110 # [ 55.298463] ? report_bug+0x9e/0xc0 # [ 55.308606] ? handle_bug+0x41/0x90 # [ 55.318698] ? exc_invalid_op+0x14/0x70 # [ 55.329181] ? asm_exc_invalid_op+0x12/0x20 # [ 55.340102] ? refcount_warn_saturate+0x97/0x110 # [ 55.351475] ? refcount_warn_saturate+0x97/0x110 # [ 55.362830] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 55.375171] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 # [ 55.387767] direct_entry.cold+0x2c/0x38 # [ 55.398356] full_proxy_write+0x53/0x80 # [ 55.408853] vfs_write+0xe7/0x3b0 # [ 55.418783] ksys_write+0x68/0xf0 # [ 55.428695] do_syscall_64+0x30/0x40 # [ 55.438887] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 55.450760] RIP: 0033:0x7fc0dfccf473 # [ 55.460950] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 55.488164] RSP: 002b:00007ffc5ed15458 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 55.502821] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fc0dfccf473 # [ 55.517028] RDX: 0000000000000020 RSI: 00007fc0dfbc3000 RDI: 0000000000000001 # [ 55.531247] RBP: 00007fc0dfbc3000 R08: 00007fc0dfbc2010 R09: 0000000000000000 # [ 55.545404] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 55.559621] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 55.573783] irq event stamp: 0 # [ 55.583441] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 55.596620] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 55.611976] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 55.627324] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 55.640551] ---[ end trace 04bede4d306f3d01 ]--- # [ 55.651909] 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 # [ 55.813213] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 55.827058] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 55.840793] ------------[ cut here ]------------ # [ 55.852163] refcount_t: underflow; use-after-free. # [ 55.863781] WARNING: CPU: 0 PID: 2470 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 55.879409] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub cros_usbpd_logger uvcvideo cros_usbpd_charger videobuf2_vmalloc snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 55.938088] CPU: 0 PID: 2470 Comm: cat Tainted: G D W 5.10.182-cip34 #1 # [ 55.952948] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 55.965976] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 55.978044] Code: 01 01 e8 e0 fd c0 00 0f 0b c3 cc cc cc cc 80 3d c6 f2 f6 01 00 75 85 48 c7 c7 40 47 15 b4 c6 05 b6 f2 f6 01 01 e8 bd fd c0 00 <0f> 0b c3 cc cc cc cc 80 3d a1 f2 f6 01 00 0f 85 5e ff ff ff 48 c7 # [ 56.005286] RSP: 0018:ffffb16203057e40 EFLAGS: 00010286 # [ 56.017305] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 # [ 56.031529] RDX: ffff996bbac2c660 RSI: ffff996bbac1bf70 RDI: ffff996bbac1bf70 # [ 56.045764] RBP: ffffffffb41f9480 R08: 0000000000000000 R09: 0000000000000000 # [ 56.059900] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 56.074085] R13: ffffb16203057f10 R14: ffffb16203057f10 R15: ffff996b4659a000 # [ 56.088294] FS: 00007f51774dc580(0000) GS:ffff996bbac00000(0000) knlGS:0000000000000000 # [ 56.103531] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.116195] CR2: 00007f51772e6000 CR3: 00000001026ae006 CR4: 00000000003706f0 # [ 56.130370] Call Trace: # [ 56.139321] ? __warn+0x80/0x110 # [ 56.149146] ? refcount_warn_saturate+0xba/0x110 # [ 56.160518] ? report_bug+0x9e/0xc0 # [ 56.170667] ? handle_bug+0x41/0x90 # [ 56.180724] ? exc_invalid_op+0x14/0x70 # [ 56.191245] ? asm_exc_invalid_op+0x12/0x20 # [ 56.202168] ? refcount_warn_saturate+0xba/0x110 # [ 56.213491] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 56.225816] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 # [ 56.238364] direct_entry.cold+0x2c/0x38 # [ 56.248973] full_proxy_write+0x53/0x80 # [ 56.259458] vfs_write+0xe7/0x3b0 # [ 56.269371] ksys_write+0x68/0xf0 # [ 56.279305] do_syscall_64+0x30/0x40 # [ 56.289545] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 56.301381] RIP: 0033:0x7f51773f2473 # [ 56.311611] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 56.338800] RSP: 002b:00007ffd07a11708 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 56.353516] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f51773f2473 # [ 56.367728] RDX: 0000000000000020 RSI: 00007f51772e6000 RDI: 0000000000000001 # [ 56.381916] RBP: 00007f51772e6000 R08: 00007f51772e5010 R09: 0000000000000000 # [ 56.396034] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 56.410291] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 56.424451] irq event stamp: 0 # [ 56.434058] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 56.447292] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 56.462636] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 56.477963] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 56.491230] ---[ end trace 04bede4d306f3d02 ]--- # [ 56.502581] 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 # [ 56.653650] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 56.665365] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 56.672861] ------------[ cut here ]------------ # [ 56.678020] refcount_t: underflow; use-after-free. # [ 56.683399] WARNING: CPU: 3 PID: 2505 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 56.692833] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_debugfs cros_ec_lightbar cros_ec_sysfs cros_ec_chardev cros_ec_sensorhub cros_usbpd_logger uvcvideo cros_usbpd_charger videobuf2_vmalloc snd_soc_core videobuf2_memops videobuf2_v4l2 snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify chromeos_pstore cros_kbd_led_backlight coreboot_table # [ 56.751502] CPU: 3 PID: 2505 Comm: cat Tainted: G D W 5.10.182-cip34 #1 # [ 56.760154] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 56.766961] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 56.772795] Code: 01 01 e8 e0 fd c0 00 0f 0b c3 cc cc cc cc 80 3d c6 f2 f6 01 00 75 85 48 c7 c7 40 47 15 b4 c6 05 b6 f2 f6 01 01 e8 bd fd c0 00 <0f> 0b c3 cc cc cc cc 80 3d a1 f2 f6 01 00 0f 85 5e ff ff ff 48 c7 # [ 56.793780] RSP: 0018:ffffb162030c7e40 EFLAGS: 00010286 # [ 56.799616] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 # [ 56.807588] RDX: ffff996bbadac660 RSI: ffff996bbad9bf70 RDI: ffff996bbad9bf70 # [ 56.815549] RBP: ffffffffb41f94a0 R08: 0000000000000000 R09: 0000000000000000 # [ 56.823522] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 56.831492] R13: ffffb162030c7f10 R14: ffffb162030c7f10 R15: ffff996b448d8000 # [ 56.839463] FS: 00007f775b652580(0000) GS:ffff996bbad80000(0000) knlGS:0000000000000000 # [ 56.848493] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.854912] CR2: 00007f775b45c000 CR3: 0000000103b9e003 CR4: 00000000003706e0 # [ 56.862884] Call Trace: # [ 56.865616] ? __warn+0x80/0x110 # [ 56.869243] ? refcount_warn_saturate+0xba/0x110 # [ 56.874398] ? report_bug+0x9e/0xc0 # [ 56.878294] ? handle_bug+0x41/0x90 # [ 56.882209] ? exc_invalid_op+0x14/0x70 # [ 56.886494] ? asm_exc_invalid_op+0x12/0x20 # [ 56.891168] ? refcount_warn_saturate+0xba/0x110 # [ 56.896350] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 56.902476] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 # [ 56.908800] direct_entry.cold+0x2c/0x38 # [ 56.913181] full_proxy_write+0x53/0x80 # [ 56.917464] vfs_write+0xe7/0x3b0 # [ 56.921164] ksys_write+0x68/0xf0 # [ 56.924864] do_syscall_64+0x30/0x40 # [ 56.928860] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 56.940721] RIP: 0033:0x7f775b568473 # [ 56.950928] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 56.978133] RSP: 002b:00007ffd639a9728 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 56.986594] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f775b568473 # [ 56.994567] RDX: 0000000000000020 RSI: 00007f775b45c000 RDI: 0000000000000001 # [ 57.002544] RBP: 00007f775b45c000 R08: 00007f775b45b010 R09: 0000000000000000 # [ 57.010550] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 57.018544] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 57.026519] irq event stamp: 0 # [ 57.029957] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 57.036957] hardirqs last disabled at (0): [] copy_process+0x664/0x1c60 # [ 57.046096] softirqs last enabled at (0): [] copy_process+0x664/0x1c60 # [ 57.055234] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 57.062233] ---[ end trace 04bede4d306f3d03 ]--- # [ 57.067388] 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 # [ 57.253458] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 57.266459] lkdtm: attempting good copy_to_user of correct size # [ 57.279321] 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 # [ 57.418306] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 57.429677] lkdtm: attempting good copy_from_user of correct size # [ 57.436484] 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 # [ 57.573761] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 57.581251] lkdtm: attempting good copy_to_user inside whitelist # [ 57.594208] 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 # [ 57.730064] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 57.738894] lkdtm: attempting good copy_from_user inside whitelist # [ 57.745827] 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 # [ 57.884395] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 57.896390] lkdtm: good_stack: ffffb162034c7e20-ffffb162034c7e40 # [ 57.909323] lkdtm: bad_stack : ffffb162034c7da8-ffffb162034c7dc8 # [ 57.922283] lkdtm: attempting good copy_to_user of local stack # [ 57.935005] 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 # [ 58.059608] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 58.066833] lkdtm: good_stack: ffffb1620355fe20-ffffb1620355fe40 # [ 58.079763] lkdtm: bad_stack : ffffb1620355fda8-ffffb1620355fdc8 # [ 58.092720] lkdtm: attempting good copy_from_user of local stack # [ 58.105680] 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 # [ 58.236456] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 58.243546] lkdtm: good_stack: ffffb162035dfe20-ffffb162035dfe40 # [ 58.250265] lkdtm: bad_stack : ffffb162035dfff8-ffffb162035e0018 # [ 58.256992] lkdtm: attempting good copy_to_user of local stack # [ 58.269732] lkdtm: attempting bad copy_to_user of distant stack # [ 58.276381] 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 # [ 58.408887] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 58.419004] lkdtm: attempting good copy_to_user from kernel rodata: ffffffffb3d7ecf0 # [ 58.433890] lkdtm: attempting bad copy_to_user from kernel text: ffffffffb24e1300 # [ 58.448457] 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 # [ 58.588242] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 58.597218] lkdtm: checking unused part of the thread stack (15928 bytes)... # [ 58.605153] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) # [ 58.612940] lkdtm: FAIL: the thread stack is NOT properly erased # [ 58.625861] CPU: 3 PID: 2870 Comm: cat Tainted: G D W 5.10.182-cip34 #1 # [ 58.634512] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 58.641315] Call Trace: # [ 58.644045] dump_stack+0x77/0x9b # [ 58.647742] lkdtm_STACKLEAK_ERASING+0x116/0x144 # [ 58.652898] direct_entry.cold+0x2c/0x38 # [ 58.657275] full_proxy_write+0x53/0x80 # [ 58.661556] vfs_write+0xe7/0x3b0 # [ 58.665255] ksys_write+0x68/0xf0 # [ 58.668953] do_syscall_64+0x30/0x40 # [ 58.672943] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 58.678580] RIP: 0033:0x7f30b0b97473 # [ 58.682568] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 58.703551] RSP: 002b:00007ffc9a963ad8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 58.712006] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f30b0b97473 # [ 58.719974] RDX: 0000000000000012 RSI: 00007f30b0a8b000 RDI: 0000000000000001 # [ 58.727944] RBP: 00007f30b0a8b000 R08: 00007f30b0a8a010 R09: 0000000000000000 # [ 58.735912] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 58.743880] 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 # [ 58.871861] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 58.882616] lkdtm: Calling matched prototype ... # [ 58.893995] lkdtm: Calling mismatched prototype ... # [ 58.905676] lkdtm: Fail: survived mismatched prototype function call! # CFI_FORWARD_PROTO: missing 'call trace:': [FAIL] not ok 70 selftests: lkdtm: CFI_FORWARD_PROTO.sh # exit=1 lkdtm_PANIC_sh skip lkdtm_BUG_sh pass lkdtm_WARNING_sh pass lkdtm_WARNING_MESSAGE_sh pass lkdtm_EXCEPTION_sh pass lkdtm_LOOP_sh skip lkdtm_EXHAUST_STACK_sh skip lkdtm_CORRUPT_STACK_sh skip lkdtm_CORRUPT_STACK_STRONG_sh skip lkdtm_CORRUPT_LIST_ADD_sh fail lkdtm_CORRUPT_LIST_DEL_sh fail lkdtm_STACK_GUARD_PAGE_LEADING_sh pass lkdtm_STACK_GUARD_PAGE_TRAILING_sh pass lkdtm_UNSET_SMEP_sh pass lkdtm_DOUBLE_FAULT_sh skip lkdtm_CORRUPT_PAC_sh skip lkdtm_UNALIGNED_LOAD_STORE_WRITE_sh skip lkdtm_OVERWRITE_ALLOCATION_sh skip lkdtm_WRITE_AFTER_FREE_sh skip lkdtm_READ_AFTER_FREE_sh fail lkdtm_WRITE_BUDDY_AFTER_FREE_sh skip lkdtm_READ_BUDDY_AFTER_FREE_sh fail lkdtm_SLAB_FREE_DOUBLE_sh fail lkdtm_SLAB_FREE_CROSS_sh fail lkdtm_SLAB_FREE_PAGE_sh fail lkdtm_SOFTLOCKUP_sh skip lkdtm_HARDLOCKUP_sh skip lkdtm_SPINLOCKUP_sh skip lkdtm_HUNG_TASK_sh skip lkdtm_EXEC_DATA_sh pass lkdtm_EXEC_STACK_sh pass lkdtm_EXEC_KMALLOC_sh pass lkdtm_EXEC_VMALLOC_sh pass lkdtm_EXEC_RODATA_sh pass lkdtm_EXEC_USERSPACE_sh pass lkdtm_EXEC_NULL_sh pass lkdtm_ACCESS_USERSPACE_sh pass lkdtm_ACCESS_NULL_sh pass lkdtm_WRITE_RO_sh pass lkdtm_WRITE_RO_AFTER_INIT_sh pass lkdtm_WRITE_KERN_sh pass lkdtm_REFCOUNT_INC_OVERFLOW_sh pass lkdtm_REFCOUNT_ADD_OVERFLOW_sh pass lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW_sh pass lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW_sh pass lkdtm_REFCOUNT_DEC_ZERO_sh pass lkdtm_REFCOUNT_DEC_NEGATIVE_sh pass lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE_sh pass lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE_sh pass lkdtm_REFCOUNT_INC_ZERO_sh pass lkdtm_REFCOUNT_ADD_ZERO_sh pass lkdtm_REFCOUNT_INC_SATURATED_sh pass lkdtm_REFCOUNT_DEC_SATURATED_sh pass lkdtm_REFCOUNT_ADD_SATURATED_sh pass lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED_sh pass lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED_sh pass lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED_sh pass lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED_sh pass lkdtm_REFCOUNT_TIMING_sh skip lkdtm_ATOMIC_TIMING_sh skip lkdtm_USERCOPY_HEAP_SIZE_TO_sh fail lkdtm_USERCOPY_HEAP_SIZE_FROM_sh fail lkdtm_USERCOPY_HEAP_WHITELIST_TO_sh fail lkdtm_USERCOPY_HEAP_WHITELIST_FROM_sh fail lkdtm_USERCOPY_STACK_FRAME_TO_sh fail lkdtm_USERCOPY_STACK_FRAME_FROM_sh fail lkdtm_USERCOPY_STACK_BEYOND_sh fail lkdtm_USERCOPY_KERNEL_sh fail lkdtm_STACKLEAK_ERASING_sh fail lkdtm_CFI_FORWARD_PROTO_sh fail + ../../utils/send-to-lava.sh ./output/result.txt + set +x / #