[Enter `^Ec?' for help] coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 bootblock starting... CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz CPU: ID 806e9, Kabylake H0, ucode: 00000097 CPU: AES supported, TXT NOT supported, VT supported MCH: device id 590c (rev 02) is Kabylake-Y PCH: device id 9d4b (rev 21) is Kabylake-Y iHDCP 2.2 Premium IGD: device id 591c (rev 02) is Amberlake ULX GT2 VBOOT: Loading verstage. CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/verstage' CBFS: Found @ offset 1a0a80 size f47c coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 verstage starting... Probing TPM: . done! TPM ready after 0 ms Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_A:0.0.10/29d77172 RW_B:0.3.15/cr50_v1.9308_87_mp.224-6339b6f Initialized TPM device CR50 revision 0 tlcl_send_startup: Startup return code is 0 TPM: setup succeeded src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x1007 return code 0 Chrome EC: UHEPI supported Phase 1 FMAP: Found "FLASH" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area GBB found @ c11000 (978944 bytes) VB2:vb2_check_recovery() Recovery reason from previous boot: 0x0 / 0x0 Phase 2 Phase 3 FMAP: area GBB found @ c11000 (978944 bytes) VB2:vb2_report_dev_firmware() This is developer signed firmware FMAP: area VBLOCK_B found @ 5e8000 (65536 bytes) FMAP: area VBLOCK_B found @ 5e8000 (65536 bytes) VB2:vb2_verify_keyblock() Checking key block signature... FMAP: area VBLOCK_B found @ 5e8000 (65536 bytes) FMAP: area VBLOCK_B found @ 5e8000 (65536 bytes) VB2:vb2_verify_fw_preamble() Verifying preamble. Phase 4 FMAP: area FW_MAIN_B found @ 5f8000 (4030400 bytes) VB2:vb2api_init_hash() HW crypto for hash_alg 2 not supported, using SW VB2:vb2_rsa_verify_digest() Digest check failed! VB2:vb2_fail() Need recovery, reason: 0x1b / 0x7 Saving nvdata Reboot requested (10020007) board_reset() called! full_reset() called! coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 bootblock starting... CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz CPU: ID 806e9, Kabylake H0, ucode: 00000097 CPU: AES supported, TXT NOT supported, VT supported MCH: device id 590c (rev 02) is Kabylake-Y PCH: device id 9d4b (rev 21) is Kabylake-Y iHDCP 2.2 Premium IGD: device id 591c (rev 02) is Amberlake ULX GT2 VBOOT: Loading verstage. CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/verstage' CBFS: Found @ offset 1a0a80 size f47c coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 verstage starting... Probing TPM: . done! TPM ready after 0 ms Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_A:0.0.10/29d77172 RW_B:0.3.15/cr50_v1.9308_87_mp.224-6339b6f Initialized TPM device CR50 revision 0 tlcl_send_startup: Startup return code is 0 TPM: setup succeeded src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x1007 return code 0 Chrome EC: UHEPI supported Phase 1 FMAP: Found "FLASH" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area GBB found @ c11000 (978944 bytes) VB2:vb2_check_recovery() Recovery reason from previous boot: 0x1b / 0x7 VB2:vb2_check_recovery() We have a recovery request: 0x1b / 0x0 Recovery requested (1009000e) Saving nvdata tlcl_extend: response is 0 tlcl_extend: response is 0 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/romstage' CBFS: Found @ offset 80 size 10ffc coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 romstage starting... pm1_sts: 0100 pm1_en: 0000 pm1_cnt: 00001c00 gpe0_sts[0]: 00000000 gpe0_en[0]: 00000000 gpe0_sts[1]: 00000000 gpe0_en[1]: 00000000 gpe0_sts[2]: 00000001 gpe0_en[2]: 00000000 gpe0_sts[3]: 00000000 gpe0_en[3]: 00010000 TCO_STS: 0000 0000 GEN_PMCON: e0040200 0000523a GBLRST_CAUSE: 00000000 00000000 prev_sleep_state 5 Boot Count incremented to 58457 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fspm.bin' CBFS: Found @ offset 103fc0 size 63000 Chrome EC: UHEPI supported FMAP: Found "FLASH" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area RECOVERY_MRC_CACHE found @ 9d0000 (65536 bytes) Probing TPM: done! Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_A:0.0.10/29d77172 RW_B:0.3.15/cr50_v1.9308_87_mp.224-6339b6f Initialized TPM device CR50 revision 0 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 MRC: Hash comparison successful. Using data from RECOVERY_MRC_CACHE MRC cache found, size 1868 bootmode is set to :2 SPD index 1 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'spd.bin' CBFS: Found @ offset 1a0240 size 800 SPD: module type is LPDDR3 SPD: module part is K4E8E324EB-EGCF SPD: banks 8, ranks 1, rows 15, columns 10, density 8192 Mb SPD: device width 32 bits, bus width 64 bits SPD: module size is 2048 MB (per channel) CBMEM: IMD: root @ 7afff000 254 entries. IMD: root @ 7affec00 62 entries. External stage cache: IMD: root @ 7b3ff000 254 entries. IMD: root @ 7b3fec00 62 entries. creating vboot_handoff structure Chrome EC: clear events_b mask to 0x0000000021004000 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 tlcl_write: response is 0 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 MRC: TPM MRC hash updated successfully. 2 DIMMs found top_of_ram = 0x7b000000 MTRR Range: Start=7a000000 End=7b000000 (Size 1000000) MTRR Range: Start=7b000000 End=7b800000 (Size 800000) MTRR Range: Start=ff000000 End=0 (Size 1000000) CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/postcar' CBFS: Found @ offset 197000 size 3f04 Decompressing stage fallback/postcar @ 0x7abd0fc0 (32720 bytes) Loading module at 7abd1000 with entry 7abd1000. filesize: 0x3cd0 memsize: 0x7f90 Processing 118 relocs. Offset value of 0x78bd1000 coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 postcar starting... CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/ramstage' CBFS: Found @ offset e8d80 size 1a462 Decompressing stage fallback/ramstage @ 0x7ab05fc0 (826808 bytes) Loading module at 7ab06000 with entry 7ab06000. filesize: 0x38d90 memsize: 0xc9d78 Processing 3657 relocs. Offset value of 0x79d06000 coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 ramstage starting... FMAP: Found "FLASH" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area RO_VPD found @ c00000 (16384 bytes) WARNING: RO_VPD is uninitialized or empty. FMAP: area RW_VPD found @ 9f8000 (8192 bytes) FMAP: area RW_VPD found @ 9f8000 (8192 bytes) Normal boot. BS: BS_PRE_DEVICE times (us): entry 0 run 30 exit 0 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'cpu_microcode_blob.bin' CBFS: Found @ offset 11100 size d7c00 microcode: sig=0x806e9 pf=0x10 revision=0x97 Skip microcode update CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fsps.bin' CBFS: Found @ offset 167fc0 size 2f000 Detected 2 core, 4 thread CPU. Setting up SMI for CPU IED base = 0x7b400000 IED size = 0x00400000 Will perform SMM setup. CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz. Loading module at 00030000 with entry 00030000. filesize: 0x170 memsize: 0x170 Processing 16 relocs. Offset value of 0x00030000 Attempting to start 3 APs Waiting for 10ms after sending INIT. Waiting for 1st SIPI to complete...done. AP: slot 3 apic_id 3. AP: slot 2 apic_id 2. AP: slot 1 apic_id 1. Waiting for 2nd SIPI to complete...done. Loading module at 00038000 with entry 00038000. filesize: 0x1a8 memsize: 0x1a8 Processing 13 relocs. Offset value of 0x00038000 SMM Module: stub loaded at 00038000. Will call 7ab21603(00000000) Installing SMM handler to 0x7b000000 Loading module at 7b010000 with entry 7b010a19. filesize: 0x3b08 memsize: 0x8bc0 Processing 243 relocs. Offset value of 0x7b010000 Loading module at 7b008000 with entry 7b008000. filesize: 0x1a8 memsize: 0x1a8 Processing 13 relocs. Offset value of 0x7b008000 SMM Module: placing jmp sequence at 7b007c00 rel16 0x03fd SMM Module: placing jmp sequence at 7b007800 rel16 0x07fd SMM Module: placing jmp sequence at 7b007400 rel16 0x0bfd SMM Module: stub loaded at 7b008000. Will call 7b010a19(00000000) Clearing SMI status registers SMI_STS: PM1 PM1_STS: PWRBTN TCO_STS: BOOT SECOND_TO New SMBASE 0x7b000000 In relocation handler: CPU 0 New SMBASE=0x7b000000 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afffc00 In relocation handler: CPU 1 New SMBASE=0x7afffc00 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afff400 In relocation handler: CPU 3 New SMBASE=0x7afff400 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afff800 In relocation handler: CPU 2 New SMBASE=0x7afff800 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. Initializing CPU #0 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC... apic_id: 0x00 done. Turbo is available but hidden Turbo has been enabled SGX : param.enable = 0 Skip microcode update CPU #0 initialized Initializing CPU #1 Initializing CPU #3 Initializing CPU #2 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC...CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC...Setting up local APIC... apic_id: 0x02 done. apic_id: 0x03 done. Skip microcode update Skip microcode update CPU #2 initialized CPU #3 initialized apic_id: 0x01 done. Skip microcode update CPU #1 initialized bsp_do_flight_plan done after 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 376086 run 170248 exit 0 Enumerating buses... Show all devs... Before device enumeration. Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 DOMAIN: 0000: enabled 1 APIC: 00: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 PCI: 00:15.1: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PCI: 00:1f.1: enabled 1 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 USB0 port 0: enabled 1 I2C: 00:5c: enabled 1 I2C: 00:15: enabled 1 I2C: 00:39: enabled 1 I2C: 00:3a: enabled 1 I2C: 00:1a: enabled 1 PCI: 00:00.0: enabled 1 SPI: 00: enabled 1 PNP: 0c09.0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 APIC: 01: enabled 1 APIC: 02: enabled 1 APIC: 03: enabled 1 Compare with tree... Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 APIC: 00: enabled 1 APIC: 01: enabled 1 APIC: 02: enabled 1 APIC: 03: enabled 1 DOMAIN: 0000: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 USB0 port 0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 I2C: 00:5c: enabled 1 PCI: 00:15.1: enabled 1 I2C: 00:15: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 I2C: 00:39: enabled 1 I2C: 00:3a: enabled 1 I2C: 00:1a: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 SPI: 00: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PNP: 0c09.0: enabled 1 PCI: 00:1f.1: enabled 1 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 Root Device scanning... root_dev_scan_bus for Root Device CPU_CLUSTER: 0 enabled DOMAIN: 0000 enabled DOMAIN: 0000 scanning... PCI: pci_scan_bus for bus 00 PCI: 00:00.0 [8086/0000] ops PCI: 00:00.0 [8086/590c] enabled PCI: 00:02.0 [8086/0000] ops PCI: 00:02.0 [8086/591c] enabled PCI: 00:04.0 [8086/1903] enabled PCI: 00:08.0 [8086/1911] enabled PCI: 00:14.0 [8086/0000] bus ops PCI: 00:14.0 [8086/9d2f] enabled PCI: 00:14.2 [8086/9d31] enabled PCI: 00:15.0 [8086/0000] bus ops PCI: 00:15.0 [8086/9d60] enabled PCI: 00:15.1 [8086/0000] bus ops PCI: 00:15.1 [8086/9d61] enabled PCI: 00:16.0 [8086/0000] ops PCI: 00:16.0 [8086/9d3a] enabled PCI: 00:19.0 [8086/0000] ops PCI: 00:19.0 [8086/9d66] enabled PCI: 00:19.1 [8086/0000] bus ops PCI: 00:19.1 [8086/9d65] enabled PCI: 00:1c.0 [8086/0000] bus ops PCI: 00:1c.0 [8086/9d10] enabled PCI: 00:1e.0 [8086/0000] ops PCI: 00:1e.0 [8086/9d27] enabled PCI: 00:1e.2 [8086/0000] bus ops PCI: 00:1e.2 [8086/9d29] enabled PCI: 00:1e.4 [8086/9d2b] enabled PCI: 00:1e.6 [8086/0000] ops PCI: 00:1e.6 [8086/9d2d] enabled PCI: 00:1f.0 [8086/0000] bus ops PCI: 00:1f.0 [8086/9d4b] enabled PCI: Static device PCI: 00:1f.1 not found, disabling it. PCI: 00:1f.2 [8086/0000] bus ops PCI: 00:1f.2 [8086/9d21] enabled PCI: 00:1f.3 [8086/0000] bus ops PCI: 00:1f.3 [8086/9d71] enabled PCI: 00:1f.4 [8086/0000] bus ops PCI: 00:1f.4 [8086/9d23] enabled PCI: 00:1f.5 [8086/0000] bus ops PCI: 00:1f.5 [8086/9d24] enabled PCI: 00:14.0 scanning... scan_usb_bus for PCI: 00:14.0 USB0 port 0 enabled USB0 port 0 scanning... scan_usb_bus for USB0 port 0 USB2 port 0 enabled USB2 port 1 enabled USB2 port 2 enabled USB2 port 4 enabled USB2 port 8 enabled USB2 port 0 scanning... scan_usb_bus for USB2 port 0 scan_usb_bus for USB2 port 0 done scan_bus: scanning of bus USB2 port 0 took 8973 usecs USB2 port 1 scanning... scan_usb_bus for USB2 port 1 scan_usb_bus for USB2 port 1 done scan_bus: scanning of bus USB2 port 1 took 8972 usecs USB2 port 2 scanning... scan_usb_bus for USB2 port 2 scan_usb_bus for USB2 port 2 done scan_bus: scanning of bus USB2 port 2 took 8970 usecs USB2 port 4 scanning... scan_usb_bus for USB2 port 4 scan_usb_bus for USB2 port 4 done scan_bus: scanning of bus USB2 port 4 took 8964 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 8971 usecs scan_usb_bus for USB0 port 0 done scan_bus: scanning of bus USB0 port 0 took 90941 usecs scan_usb_bus for PCI: 00:14.0 done scan_bus: scanning of bus PCI: 00:14.0 took 107728 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 14153 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 22354 usecs PCI: 00:1c.0 scanning... do_pci_scan_bridge for PCI: 00:1c.0 PCI: pci_scan_bus for bus 01 PCI: 01:00.0 [8086/095a] enabled Capability: type 0x01 @ 0xc8 Capability: type 0x05 @ 0xd0 Capability: type 0x10 @ 0x40 Capability: type 0x10 @ 0x40 Enabling Common Clock Configuration L1 Sub-State supported from root port 28 L1 Sub-State Support = 0xf CommonModeRestoreTime = 0x28 Power On Value = 0x1e, Power On Scale = 0x0 ASPM: Enabled L1 Capability: type 0x01 @ 0xc8 Capability: type 0x05 @ 0xd0 Capability: type 0x10 @ 0x40 scan_bus: scanning of bus PCI: 00:1c.0 took 53512 usecs PCI: 00:1e.2 scanning... scan_generic_bus for PCI: 00:1e.2 bus: PCI: 00:1e.2[0]->SPI: 00 enabled scan_generic_bus for PCI: 00:1e.2 done scan_bus: scanning of bus PCI: 00:1e.2 took 13861 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 11312 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 2719 usecs PCI: 00:1f.4 scanning... scan_generic_bus for PCI: 00:1f.4 scan_generic_bus for PCI: 00:1f.4 done scan_bus: scanning of bus PCI: 00:1f.4 took 10048 usecs PCI: 00:1f.5 scanning... scan_generic_bus for PCI: 00:1f.5 scan_generic_bus for PCI: 00:1f.5 done scan_bus: scanning of bus PCI: 00:1f.5 took 10049 usecs scan_bus: scanning of bus DOMAIN: 0000 took 465977 usecs root_dev_scan_bus for Root Device done scan_bus: scanning of bus Root Device took 486138 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=1 SRP0=0 MRC: NOT enabling PRR for 'UNIFIED_MRC_CACHE'. BS: BS_DEV_ENUMERATE times (us): entry 0 run 825815 exit 39247 found VGA at PCI: 00:02.0 Setting up VGA for PCI: 00:02.0 Setting PCI_BRIDGE_CTL_VGA for bridge DOMAIN: 0000 Setting PCI_BRIDGE_CTL_VGA for bridge Root Device Allocating resources... Reading resources... Root Device read_resources bus 0 link: 0 CPU_CLUSTER: 0 read_resources bus 0 link: 0 CPU_CLUSTER: 0 read_resources bus 0 link: 0 done DOMAIN: 0000 read_resources bus 0 link: 0 PCI: 00:14.0 read_resources bus 0 link: 0 USB0 port 0 read_resources bus 0 link: 0 USB0 port 0 read_resources bus 0 link: 0 done PCI: 00:14.0 read_resources bus 0 link: 0 done PCI: 00:15.0 read_resources bus 1 link: 0 PCI: 00:15.0 read_resources bus 1 link: 0 done PCI: 00:15.1 read_resources bus 2 link: 0 PCI: 00:15.1 read_resources bus 2 link: 0 done PCI: 00:19.1 read_resources bus 3 link: 0 PCI: 00:19.1 read_resources bus 3 link: 0 done PCI: 00:1c.0 read_resources bus 1 link: 0 PCI: 00:1c.0 read_resources bus 1 link: 0 done PCI: 00:1e.2 read_resources bus 4 link: 0 PCI: 00:1e.2 read_resources bus 4 link: 0 done PCI: 00:1f.0 read_resources bus 0 link: 0 PCI: 00:1f.0 read_resources bus 0 link: 0 done DOMAIN: 0000 read_resources bus 0 link: 0 done Root Device read_resources bus 0 link: 0 done Done reading resources. Show resources in subtree (Root Device)...After reading. Root Device child on link 0 CPU_CLUSTER: 0 CPU_CLUSTER: 0 child on link 0 APIC: 00 APIC: 00 APIC: 01 APIC: 02 APIC: 03 DOMAIN: 0000 child on link 0 PCI: 00:00.0 DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffff flags 40040100 index 10000000 DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffffffff flags 40040200 index 10000100 PCI: 00:00.0 PCI: 00:00.0 resource base e0000000 size 4000000 align 0 gran 0 limit 0 flags f0000200 index 0 PCI: 00:00.0 resource base fed10000 size 8000 align 0 gran 0 limit 0 flags f0000200 index 1 PCI: 00:00.0 resource base fed18000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 2 PCI: 00:00.0 resource base fed19000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 3 PCI: 00:00.0 resource base fed84000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 4 PCI: 00:00.0 resource base fed80000 size 4000 align 0 gran 0 limit 0 flags f0000200 index 5 PCI: 00:00.0 resource base fed90000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 6 PCI: 00:00.0 resource base fed91000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 7 PCI: 00:00.0 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 8 PCI: 00:00.0 resource base c0000 size 7af40000 align 0 gran 0 limit 0 flags e0004200 index 9 PCI: 00:00.0 resource base 7b000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index b PCI: 00:00.0 resource base 7b800000 size 4800000 align 0 gran 0 limit 0 flags f0000200 index c PCI: 00:00.0 resource base 100000000 size 7f000000 align 0 gran 0 limit 0 flags e0004200 index d PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index e PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index f PCI: 00:02.0 PCI: 00:02.0 resource base 0 size 1000000 align 24 gran 24 limit ffffffffffffffff flags 201 index 10 PCI: 00:02.0 resource base 0 size 10000000 align 28 gran 28 limit ffffffffffffffff flags 1201 index 18 PCI: 00:02.0 resource base 0 size 40 align 6 gran 6 limit ffff flags 100 index 20 PCI: 00:04.0 PCI: 00:04.0 resource base 0 size 8000 align 15 gran 15 limit ffffffffffffffff flags 201 index 10 PCI: 00:08.0 PCI: 00:08.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:14.0 child on link 0 USB0 port 0 PCI: 00:14.0 resource base 0 size 10000 align 16 gran 16 limit ffffffffffffffff flags 201 index 10 USB0 port 0 child on link 0 USB2 port 0 USB2 port 0 USB2 port 1 USB2 port 2 USB2 port 4 USB2 port 8 PCI: 00:14.1 PCI: 00:14.2 PCI: 00:14.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:15.0 child on link 0 I2C: 01:5c PCI: 00:15.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 01:5c PCI: 00:15.1 child on link 0 I2C: 02:15 PCI: 00:15.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 02:15 PCI: 00:15.2 PCI: 00:15.3 PCI: 00:16.0 PCI: 00:16.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:16.1 PCI: 00:16.2 PCI: 00:16.3 PCI: 00:16.4 PCI: 00:17.0 PCI: 00:19.0 PCI: 00:19.0 resource base fe034000 size 1000 align 12 gran 12 limit ffffffffffffffff flags c0000200 index 10 PCI: 00:19.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 PCI: 00:19.1 child on link 0 I2C: 03:39 PCI: 00:19.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 03:39 I2C: 03:3a I2C: 03:1a PCI: 00:19.2 PCI: 00:1c.0 child on link 0 PCI: 01:00.0 PCI: 00:1c.0 resource base 0 size 0 align 12 gran 12 limit ffff flags 80102 index 1c PCI: 00:1c.0 resource base 0 size 0 align 20 gran 20 limit ffffffffffffffff flags 81202 index 24 PCI: 00:1c.0 resource base 0 size 0 align 20 gran 20 limit ffffffff flags 80202 index 20 PCI: 01:00.0 PCI: 01:00.0 resource base 0 size 2000 align 13 gran 13 limit ffffffffffffffff flags 201 index 10 PCI: 00:1c.1 PCI: 00:1c.2 PCI: 00:1c.3 PCI: 00:1c.4 PCI: 00:1c.5 PCI: 00:1c.6 PCI: 00:1c.7 PCI: 00:1d.0 PCI: 00:1d.1 PCI: 00:1d.2 PCI: 00:1d.3 PCI: 00:1e.0 PCI: 00:1e.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1e.1 PCI: 00:1e.2 child on link 0 SPI: 00 PCI: 00:1e.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 SPI: 00 PCI: 00:1e.3 PCI: 00:1e.4 PCI: 00:1e.4 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1e.5 PCI: 00:1e.6 PCI: 00:1e.6 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.0 child on link 0 PNP: 0c09.0 PCI: 00:1f.0 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0000100 index 0 PNP: 0c09.0 PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0 PCI: 00:1f.1 PCI: 00:1f.2 PCI: 00:1f.2 resource base 0 size 4000 align 14 gran 14 limit ffffffff flags 200 index 10 PCI: 00:1f.2 resource base fe000000 size 10000 align 0 gran 0 limit 0 flags d0000200 index 48 PCI: 00:1f.2 resource base 1800 size 100 align 0 gran 0 limit 0 flags c0000100 index 40 PCI: 00:1f.3 PCI: 00:1f.3 resource base 0 size 4000 align 14 gran 14 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.3 resource base 0 size 10000 align 16 gran 16 limit ffffffffffffffff flags 201 index 20 PCI: 00:1f.4 PCI: 00:1f.4 resource base efa0 size 20 align 0 gran 0 limit efbf flags f0000100 index 20 PCI: 00:1f.4 resource base 0 size 100 align 12 gran 8 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.5 PCI: 00:1f.5 resource base 0 size 1000 align 12 gran 12 limit ffffffff flags 200 index 10 PCI: 00:1f.6 DOMAIN: 0000 io: base: 0 size: 0 align: 0 gran: 0 limit: ffff PCI: 00:1c.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff PCI: 00:1c.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff done PCI: 00:02.0 20 * [0x0 - 0x3f] io DOMAIN: 0000 io: base: 40 size: 40 align: 6 gran: 0 limit: ffff done DOMAIN: 0000 mem: base: 0 size: 0 align: 0 gran: 0 limit: ffffffff PCI: 00:1c.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff PCI: 00:1c.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff done PCI: 00:1c.0 mem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffff PCI: 01:00.0 10 * [0x0 - 0x1fff] mem PCI: 00:1c.0 mem: base: 2000 size: 100000 align: 20 gran: 20 limit: ffffffff done PCI: 00:02.0 18 * [0x0 - 0xfffffff] prefmem PCI: 00:02.0 10 * [0x10000000 - 0x10ffffff] mem PCI: 00:1c.0 20 * [0x11000000 - 0x110fffff] mem PCI: 00:14.0 10 * [0x11100000 - 0x1110ffff] mem PCI: 00:1f.3 20 * [0x11110000 - 0x1111ffff] mem PCI: 00:04.0 10 * [0x11120000 - 0x11127fff] mem PCI: 00:1f.2 10 * [0x11128000 - 0x1112bfff] mem PCI: 00:1f.3 10 * [0x1112c000 - 0x1112ffff] mem PCI: 00:08.0 10 * [0x11130000 - 0x11130fff] mem PCI: 00:14.2 10 * [0x11131000 - 0x11131fff] mem PCI: 00:15.0 10 * [0x11132000 - 0x11132fff] mem PCI: 00:15.1 10 * [0x11133000 - 0x11133fff] mem PCI: 00:16.0 10 * [0x11134000 - 0x11134fff] mem PCI: 00:19.0 18 * [0x11135000 - 0x11135fff] mem PCI: 00:19.1 10 * [0x11136000 - 0x11136fff] mem PCI: 00:1e.0 10 * [0x11137000 - 0x11137fff] mem PCI: 00:1e.2 10 * [0x11138000 - 0x11138fff] mem PCI: 00:1e.4 10 * [0x11139000 - 0x11139fff] mem PCI: 00:1e.6 10 * [0x1113a000 - 0x1113afff] mem PCI: 00:1f.5 10 * [0x1113b000 - 0x1113bfff] mem PCI: 00:1f.4 10 * [0x1113c000 - 0x1113c0ff] mem DOMAIN: 0000 mem: base: 1113c100 size: 1113c100 align: 28 gran: 0 limit: ffffffff done avoid_fixed_resources: DOMAIN: 0000 avoid_fixed_resources:@DOMAIN: 0000 10000000 limit 0000ffff avoid_fixed_resources:@DOMAIN: 0000 10000100 limit ffffffff constrain_resources: PCI: 00:00.0 00 base e0000000 limit e3ffffff mem (fixed) constrain_resources: PCI: 00:00.0 08 base 00000000 limit 0009ffff mem (fixed) constrain_resources: PCI: 00:00.0 09 base 000c0000 limit 7affffff mem (fixed) constrain_resources: PCI: 00:00.0 0b base 7b000000 limit 7b7fffff mem (fixed) constrain_resources: PCI: 00:00.0 0c base 7b800000 limit 7fffffff mem (fixed) constrain_resources: PCI: 00:1f.0 00 base 00000000 limit 00000fff io (fixed) constrain_resources: PCI: 00:1f.2 40 base 00001800 limit 000018ff io (fixed) constrain_resources: PCI: 00:1f.4 20 base 0000efa0 limit 0000efbf io (fixed) avoid_fixed_resources:@DOMAIN: 0000 10000000 base 00001900 limit 0000ef9f avoid_fixed_resources:@DOMAIN: 0000 10000100 base c0000000 limit dfffffff Setting resources... DOMAIN: 0000 io: base:1900 size:40 align:6 gran:0 limit:ef9f PCI: 00:02.0 20 * [0x1c00 - 0x1c3f] io DOMAIN: 0000 io: next_base: 1c40 size: 40 align: 6 gran: 0 done PCI: 00:1c.0 io: base:ef9f size:0 align:12 gran:12 limit:ef9f PCI: 00:1c.0 io: next_base: ef9f size: 0 align: 12 gran: 12 done DOMAIN: 0000 mem: base:c0000000 size:1113c100 align:28 gran:0 limit:dfffffff PCI: 00:02.0 18 * [0xc0000000 - 0xcfffffff] prefmem PCI: 00:02.0 10 * [0xd0000000 - 0xd0ffffff] mem PCI: 00:1c.0 20 * [0xd1000000 - 0xd10fffff] mem PCI: 00:14.0 10 * [0xd1100000 - 0xd110ffff] mem PCI: 00:1f.3 20 * [0xd1110000 - 0xd111ffff] mem PCI: 00:04.0 10 * [0xd1120000 - 0xd1127fff] mem PCI: 00:1f.2 10 * [0xd1128000 - 0xd112bfff] mem PCI: 00:1f.3 10 * [0xd112c000 - 0xd112ffff] mem PCI: 00:08.0 10 * [0xd1130000 - 0xd1130fff] mem PCI: 00:14.2 10 * [0xd1131000 - 0xd1131fff] mem PCI: 00:15.0 10 * [0xd1132000 - 0xd1132fff] mem PCI: 00:15.1 10 * [0xd1133000 - 0xd1133fff] mem PCI: 00:16.0 10 * [0xd1134000 - 0xd1134fff] mem PCI: 00:19.0 18 * [0xd1135000 - 0xd1135fff] mem PCI: 00:19.1 10 * [0xd1136000 - 0xd1136fff] mem PCI: 00:1e.0 10 * [0xd1137000 - 0xd1137fff] mem PCI: 00:1e.2 10 * [0xd1138000 - 0xd1138fff] mem PCI: 00:1e.4 10 * [0xd1139000 - 0xd1139fff] mem PCI: 00:1e.6 10 * [0xd113a000 - 0xd113afff] mem PCI: 00:1f.5 10 * [0xd113b000 - 0xd113bfff] mem PCI: 00:1f.4 10 * [0xd113c000 - 0xd113c0ff] mem DOMAIN: 0000 mem: next_base: d113c100 size: 1113c100 align: 28 gran: 0 done PCI: 00:1c.0 prefmem: base:dfffffff size:0 align:20 gran:20 limit:dfffffff PCI: 00:1c.0 prefmem: next_base: dfffffff size: 0 align: 20 gran: 20 done PCI: 00:1c.0 mem: base:d1000000 size:100000 align:20 gran:20 limit:d10fffff PCI: 01:00.0 10 * [0xd1000000 - 0xd1001fff] mem PCI: 00:1c.0 mem: next_base: d1002000 size: 100000 align: 20 gran: 20 done Root Device assign_resources, bus 0 link: 0 DOMAIN: 0000 assign_resources, bus 0 link: 0 PCI: 00:02.0 10 <- [0x00d0000000 - 0x00d0ffffff] size 0x01000000 gran 0x18 mem64 PCI: 00:02.0 18 <- [0x00c0000000 - 0x00cfffffff] size 0x10000000 gran 0x1c prefmem64 PCI: 00:02.0 20 <- [0x0000001c00 - 0x0000001c3f] size 0x00000040 gran 0x06 io PCI: 00:04.0 10 <- [0x00d1120000 - 0x00d1127fff] size 0x00008000 gran 0x0f mem64 PCI: 00:08.0 10 <- [0x00d1130000 - 0x00d1130fff] size 0x00001000 gran 0x0c mem64 PCI: 00:14.0 10 <- [0x00d1100000 - 0x00d110ffff] size 0x00010000 gran 0x10 mem64 PCI: 00:14.0 assign_resources, bus 0 link: 0 PCI: 00:14.0 assign_resources, bus 0 link: 0 PCI: 00:14.2 10 <- [0x00d1131000 - 0x00d1131fff] size 0x00001000 gran 0x0c mem64 PCI: 00:15.0 10 <- [0x00d1132000 - 0x00d1132fff] size 0x00001000 gran 0x0c mem64 PCI: 00:15.0 assign_resources, bus 1 link: 0 PCI: 00:15.0 assign_resources, bus 1 link: 0 PCI: 00:15.1 10 <- [0x00d1133000 - 0x00d1133fff] size 0x00001000 gran 0x0c mem64 PCI: 00:15.1 assign_resources, bus 2 link: 0 PCI: 00:15.1 assign_resources, bus 2 link: 0 PCI: 00:16.0 10 <- [0x00d1134000 - 0x00d1134fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.0 18 <- [0x00d1135000 - 0x00d1135fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.1 10 <- [0x00d1136000 - 0x00d1136fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.1 assign_resources, bus 3 link: 0 PCI: 00:19.1 assign_resources, bus 3 link: 0 PCI: 00:1c.0 1c <- [0x000000ef9f - 0x000000ef9e] size 0x00000000 gran 0x0c bus 01 io PCI: 00:1c.0 24 <- [0x00dfffffff - 0x00dffffffe] size 0x00000000 gran 0x14 bus 01 prefmem PCI: 00:1c.0 20 <- [0x00d1000000 - 0x00d10fffff] size 0x00100000 gran 0x14 bus 01 mem PCI: 00:1c.0 assign_resources, bus 1 link: 0 PCI: 01:00.0 10 <- [0x00d1000000 - 0x00d1001fff] size 0x00002000 gran 0x0d mem64 PCI: 00:1c.0 assign_resources, bus 1 link: 0 PCI: 00:1e.0 10 <- [0x00d1137000 - 0x00d1137fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1e.2 10 <- [0x00d1138000 - 0x00d1138fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1e.2 assign_resources, bus 4 link: 0 PCI: 00:1e.2 assign_resources, bus 4 link: 0 PCI: 00:1e.4 10 <- [0x00d1139000 - 0x00d1139fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1e.6 10 <- [0x00d113a000 - 0x00d113afff] size 0x00001000 gran 0x0c mem64 PCI: 00:1f.0 assign_resources, bus 0 link: 0 PCI: 00:1f.0 assign_resources, bus 0 link: 0 LPC: Trying to open IO window from 800 size 1ff PCI: 00:1f.2 10 <- [0x00d1128000 - 0x00d112bfff] size 0x00004000 gran 0x0e mem PCI: 00:1f.3 10 <- [0x00d112c000 - 0x00d112ffff] size 0x00004000 gran 0x0e mem64 PCI: 00:1f.3 20 <- [0x00d1110000 - 0x00d111ffff] size 0x00010000 gran 0x10 mem64 PCI: 00:1f.4 10 <- [0x00d113c000 - 0x00d113c0ff] size 0x00000100 gran 0x08 mem64 PCI: 00:1f.5 10 <- [0x00d113b000 - 0x00d113bfff] size 0x00001000 gran 0x0c mem DOMAIN: 0000 assign_resources, bus 0 link: 0 Root Device assign_resources, bus 0 link: 0 Done setting resources. Show resources in subtree (Root Device)...After assigning values. Root Device child on link 0 CPU_CLUSTER: 0 CPU_CLUSTER: 0 child on link 0 APIC: 00 APIC: 00 APIC: 01 APIC: 02 APIC: 03 DOMAIN: 0000 child on link 0 PCI: 00:00.0 DOMAIN: 0000 resource base 1900 size 40 align 6 gran 0 limit ef9f flags 40040100 index 10000000 DOMAIN: 0000 resource base c0000000 size 1113c100 align 28 gran 0 limit dfffffff flags 40040200 index 10000100 PCI: 00:00.0 PCI: 00:00.0 resource base e0000000 size 4000000 align 0 gran 0 limit 0 flags f0000200 index 0 PCI: 00:00.0 resource base fed10000 size 8000 align 0 gran 0 limit 0 flags f0000200 index 1 PCI: 00:00.0 resource base fed18000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 2 PCI: 00:00.0 resource base fed19000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 3 PCI: 00:00.0 resource base fed84000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 4 PCI: 00:00.0 resource base fed80000 size 4000 align 0 gran 0 limit 0 flags f0000200 index 5 PCI: 00:00.0 resource base fed90000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 6 PCI: 00:00.0 resource base fed91000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 7 PCI: 00:00.0 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 8 PCI: 00:00.0 resource base c0000 size 7af40000 align 0 gran 0 limit 0 flags e0004200 index 9 PCI: 00:00.0 resource base 7b000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index b PCI: 00:00.0 resource base 7b800000 size 4800000 align 0 gran 0 limit 0 flags f0000200 index c PCI: 00:00.0 resource base 100000000 size 7f000000 align 0 gran 0 limit 0 flags e0004200 index d PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index e PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index f PCI: 00:02.0 PCI: 00:02.0 resource base d0000000 size 1000000 align 24 gran 24 limit d0ffffff flags 60000201 index 10 PCI: 00:02.0 resource base c0000000 size 10000000 align 28 gran 28 limit cfffffff flags 60001201 index 18 PCI: 00:02.0 resource base 1c00 size 40 align 6 gran 6 limit 1c3f flags 60000100 index 20 PCI: 00:04.0 PCI: 00:04.0 resource base d1120000 size 8000 align 15 gran 15 limit d1127fff flags 60000201 index 10 PCI: 00:08.0 PCI: 00:08.0 resource base d1130000 size 1000 align 12 gran 12 limit d1130fff flags 60000201 index 10 PCI: 00:14.0 child on link 0 USB0 port 0 PCI: 00:14.0 resource base d1100000 size 10000 align 16 gran 16 limit d110ffff flags 60000201 index 10 USB0 port 0 child on link 0 USB2 port 0 USB2 port 0 USB2 port 1 USB2 port 2 USB2 port 4 USB2 port 8 PCI: 00:14.1 PCI: 00:14.2 PCI: 00:14.2 resource base d1131000 size 1000 align 12 gran 12 limit d1131fff flags 60000201 index 10 PCI: 00:15.0 child on link 0 I2C: 01:5c PCI: 00:15.0 resource base d1132000 size 1000 align 12 gran 12 limit d1132fff flags 60000201 index 10 I2C: 01:5c PCI: 00:15.1 child on link 0 I2C: 02:15 PCI: 00:15.1 resource base d1133000 size 1000 align 12 gran 12 limit d1133fff flags 60000201 index 10 I2C: 02:15 PCI: 00:15.2 PCI: 00:15.3 PCI: 00:16.0 PCI: 00:16.0 resource base d1134000 size 1000 align 12 gran 12 limit d1134fff flags 60000201 index 10 PCI: 00:16.1 PCI: 00:16.2 PCI: 00:16.3 PCI: 00:16.4 PCI: 00:17.0 PCI: 00:19.0 PCI: 00:19.0 resource base fe034000 size 1000 align 12 gran 12 limit ffffffffffffffff flags c0000200 index 10 PCI: 00:19.0 resource base d1135000 size 1000 align 12 gran 12 limit d1135fff flags 60000201 index 18 PCI: 00:19.1 child on link 0 I2C: 03:39 PCI: 00:19.1 resource base d1136000 size 1000 align 12 gran 12 limit d1136fff flags 60000201 index 10 I2C: 03:39 I2C: 03:3a I2C: 03:1a PCI: 00:19.2 PCI: 00:1c.0 child on link 0 PCI: 01:00.0 PCI: 00:1c.0 resource base ef9f size 0 align 12 gran 12 limit ef9f flags 60080102 index 1c PCI: 00:1c.0 resource base dfffffff size 0 align 20 gran 20 limit dfffffff flags 60081202 index 24 PCI: 00:1c.0 resource base d1000000 size 100000 align 20 gran 20 limit d10fffff flags 60080202 index 20 PCI: 01:00.0 PCI: 01:00.0 resource base d1000000 size 2000 align 13 gran 13 limit d1001fff flags 60000201 index 10 PCI: 00:1c.1 PCI: 00:1c.2 PCI: 00:1c.3 PCI: 00:1c.4 PCI: 00:1c.5 PCI: 00:1c.6 PCI: 00:1c.7 PCI: 00:1d.0 PCI: 00:1d.1 PCI: 00:1d.2 PCI: 00:1d.3 PCI: 00:1e.0 PCI: 00:1e.0 resource base d1137000 size 1000 align 12 gran 12 limit d1137fff flags 60000201 index 10 PCI: 00:1e.1 PCI: 00:1e.2 child on link 0 SPI: 00 PCI: 00:1e.2 resource base d1138000 size 1000 align 12 gran 12 limit d1138fff flags 60000201 index 10 SPI: 00 PCI: 00:1e.3 PCI: 00:1e.4 PCI: 00:1e.4 resource base d1139000 size 1000 align 12 gran 12 limit d1139fff flags 60000201 index 10 PCI: 00:1e.5 PCI: 00:1e.6 PCI: 00:1e.6 resource base d113a000 size 1000 align 12 gran 12 limit d113afff flags 60000201 index 10 PCI: 00:1f.0 child on link 0 PNP: 0c09.0 PCI: 00:1f.0 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0000100 index 0 PNP: 0c09.0 PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0 PCI: 00:1f.1 PCI: 00:1f.2 PCI: 00:1f.2 resource base d1128000 size 4000 align 14 gran 14 limit d112bfff flags 60000200 index 10 PCI: 00:1f.2 resource base fe000000 size 10000 align 0 gran 0 limit 0 flags d0000200 index 48 PCI: 00:1f.2 resource base 1800 size 100 align 0 gran 0 limit 0 flags c0000100 index 40 PCI: 00:1f.3 PCI: 00:1f.3 resource base d112c000 size 4000 align 14 gran 14 limit d112ffff flags 60000201 index 10 PCI: 00:1f.3 resource base d1110000 size 10000 align 16 gran 16 limit d111ffff flags 60000201 index 20 PCI: 00:1f.4 PCI: 00:1f.4 resource base efa0 size 20 align 0 gran 0 limit efbf flags f0000100 index 20 PCI: 00:1f.4 resource base d113c000 size 100 align 12 gran 8 limit d113c0ff flags 60000201 index 10 PCI: 00:1f.5 PCI: 00:1f.5 resource base d113b000 size 1000 align 12 gran 12 limit d113bfff flags 60000200 index 10 PCI: 00:1f.6 Done allocating resources. BS: BS_DEV_RESOURCES times (us): entry 0 run 2113977 exit 30 Enabling resources... PCI: 00:00.0 subsystem <- 8086/590c PCI: 00:00.0 cmd <- 06 PCI: 00:02.0 subsystem <- 8086/591c PCI: 00:02.0 cmd <- 03 PCI: 00:04.0 cmd <- 02 PCI: 00:08.0 cmd <- 06 PCI: 00:14.0 subsystem <- 8086/9d2f PCI: 00:14.0 cmd <- 02 PCI: 00:14.2 subsystem <- 8086/9d31 PCI: 00:14.2 cmd <- 02 PCI: 00:15.0 subsystem <- 8086/9d60 PCI: 00:15.0 cmd <- 06 PCI: 00:15.1 subsystem <- 8086/9d61 PCI: 00:15.1 cmd <- 06 PCI: 00:16.0 subsystem <- 8086/9d3a PCI: 00:16.0 cmd <- 02 PCI: 00:19.0 subsystem <- 8086/9d66 PCI: 00:19.0 cmd <- 06 PCI: 00:19.1 subsystem <- 8086/9d65 PCI: 00:19.1 cmd <- 06 PCI: 00:1c.0 bridge ctrl <- 0003 PCI: 00:1c.0 subsystem <- 8086/9d10 PCI: 00:1c.0 cmd <- 06 PCI: 00:1e.0 subsystem <- 8086/9d27 PCI: 00:1e.0 cmd <- 06 PCI: 00:1e.2 subsystem <- 8086/9d29 PCI: 00:1e.2 cmd <- 06 PCI: 00:1e.4 subsystem <- 8086/9d2b PCI: 00:1e.4 cmd <- 06 PCI: 00:1e.6 subsystem <- 8086/9d2d PCI: 00:1e.6 cmd <- 06 PCI: 00:1f.0 subsystem <- 8086/9d4b PCI: 00:1f.0 cmd <- 407 PCI: 00:1f.2 subsystem <- 8086/9d21 PCI: 00:1f.2 cmd <- 02 PCI: 00:1f.3 subsystem <- 8086/9d71 PCI: 00:1f.3 cmd <- 02 PCI: 00:1f.4 subsystem <- 8086/9d23 PCI: 00:1f.4 cmd <- 03 PCI: 00:1f.5 subsystem <- 8086/9d24 PCI: 00:1f.5 cmd <- 406 PCI: 01:00.0 subsystem <- 8086/095a PCI: 01:00.0 cmd <- 02 done. ME: Version : 11.8.50.3470 BS: BS_DEV_ENABLE times (us): entry 233 run 139286 exit 18489 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 30998 usecs CPU_CLUSTER: 0 init ... CPU_CLUSTER: 0 init finished in 2444 usecs PCI: 00:00.0 init ... CPU TDP: 5 Watts CPU PL2 = 18 Watts PCI: 00:00.0 init finished in 6986 usecs PCI: 00:02.0 init ... PCI: 00:02.0 init finished in 2249 usecs PCI: 00:04.0 init ... PCI: 00:04.0 init finished in 2249 usecs PCI: 00:08.0 init ... PCI: 00:08.0 init finished in 2249 usecs PCI: 00:14.0 init ... PCI: 00:14.0 init finished in 2249 usecs PCI: 00:14.2 init ... PCI: 00:14.2 init finished in 2248 usecs PCI: 00:15.0 init ... DW I2C bus 0 at 0xd1132000 (400 KHz) PCI: 00:15.0 init finished in 5968 usecs PCI: 00:15.1 init ... DW I2C bus 1 at 0xd1133000 (400 KHz) PCI: 00:15.1 init finished in 5966 usecs PCI: 00:16.0 init ... PCI: 00:16.0 init finished in 2250 usecs PCI: 00:19.1 init ... DW I2C bus 5 at 0xd1136000 (400 KHz) PCI: 00:19.1 init finished in 5967 usecs PCI: 00:1c.0 init ... Initializing PCH PCIe bridge. PCI: 00:1c.0 init finished in 5280 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 23481 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 23812 usecs PCI: 00:1f.4 init ... PCI: 00:1f.4 init finished in 2259 usecs PCI: 01:00.0 init ... PCI: 01:00.0 init finished in 2390 usecs PNP: 0c09.0 init ... Google Chrome EC: Hello got back 11223344 status (0) Google Chrome EC: version: ro: rammus_v2.0.387-f0df0fe2e rw: rammus_v2.0.427-c38dc837e running image: 1 EC returned error result code 1 PNP: 0c09.0 init finished in 24445 usecs Devices initialized Show all devs... After init. Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 DOMAIN: 0000: enabled 1 APIC: 00: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 PCI: 00:15.1: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PCI: 00:1f.1: enabled 0 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 USB0 port 0: enabled 1 I2C: 01:5c: enabled 1 I2C: 02:15: enabled 1 I2C: 03:39: enabled 1 I2C: 03:3a: enabled 1 I2C: 03:1a: enabled 1 PCI: 01:00.0: enabled 1 SPI: 00: enabled 1 PNP: 0c09.0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 APIC: 01: enabled 1 APIC: 02: enabled 1 APIC: 03: enabled 1 PCI: 00:04.0: enabled 1 PCI: 00:08.0: enabled 1 FMAP: area RW_ELOG found @ 9f0000 (16384 bytes) ELOG: NV offset 0x9f0000 size 0x4000 ELOG: area is 4096 bytes, full threshold 3842, shrink size 1024 ELOG: Event(17) added with size 13 at 2024-02-29 08:36:14 UTC POST: Unexpected post code in previous boot: 0x34 ELOG: Event(A3) added with size 11 at 2024-02-29 08:36:14 UTC ELOG: Event(92) added with size 9 at 2024-02-29 08:36:14 UTC ELOG: Event(9A) added with size 9 at 2024-02-29 08:36:14 UTC ELOG: Event(AD) added with size 10 at 2024-02-29 08:36:14 UTC ELOG: Event(9F) added with size 14 at 2024-02-29 08:36:14 UTC BS: BS_DEV_INIT times (us): entry 0 run 417223 exit 60008 ELOG: Event(A1) added with size 10 at 2024-02-29 08:36:14 UTC elog_add_boot_reason: Logged recovery mode boot (Dev-switch on), reason: 0x1b ELOG: Event(A0) added with size 9 at 2024-02-29 08:36:14 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 25580 run 3969 exit 5207 BS: BS_OS_RESUME_CHECK times (us): entry 0 run 57 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 | high 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 7a9a 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 00000058 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 537426 exit 146828 call enable_fixed_mtrr() CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CPU physical address size: 39 bits CBFS: Locating 'fallback/payload' MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 call enable_fixed_mtrr() call enable_fixed_mtrr() CBFS: Found @ offset 223040 size 360b4 CPU physical address size: 39 bits CPU physical address size: 39 bits Checking segment from ROM address 0xfff23078 Checking segment from ROM address 0xfff23094 Loading segment from ROM address 0xfff23078 code (compression=0) New segment dstaddr 0x30104020 memsize 0x64d8b0 srcaddr 0xfff230b0 filesize 0x3607c Loading Segment: addr: 0x30104020 memsz: 0x000000000064d8b0 filesz: 0x000000000003607c it's not compressed! [ 0x30104020, 3013a09c, 0x307518d0) <- fff230b0 Clearing Segment: addr: 0x000000003013a09c memsz: 0x0000000000617834 Loading segment from ROM address 0xfff23094 Entry Point 0x30104020 Loaded segments Finalizing chipset. ME: Host Firmware Status Register 1 : 0x90000245 ME: Host Firmware Status Register 2 : 0x6B000306 ME: Host Firmware Status Register 3 : 0x00000020 ME: Host Firmware Status Register 4 : 0x00084004 ME: Host Firmware Status Register 5 : 0x00000000 ME: Host Firmware Status Register 6 : 0x40000002 ME: FW Partition Table : OK ME: Bringup Loader Failure : NO ME: Firmware Init Complete : YES ME: Manufacturing Mode : NO ME: Boot Options Present : NO ME: Update In Progress : NO ME: D3 Support : NO ME: D0i3 Support : YES ME: Low Power State Enabled : YES ME: CPU Replaced : NO ME: CPU Replacement Valid : YES ME: Current Working State : Normal ME: Current Operation State : M0 with UMA ME: Current Operation Mode : Normal ME: Error Code : No Error ME: Progress Phase : Host Communication ME: Power Management Event : Power cycle reset through Moff ME: Progress Phase State : Host communication established ME: Power Down Mitigation : NO ME: FPF status : fused Clearing MCA. Finalizing SMM. BS: BS_PAYLOAD_LOAD times (us): entry 610 run 261797 exit 135670 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 12894264/tftp-deploy-ylrfn6rf/kernel/bzImage 12894264/tftp-deploy-ylrfn6rf/kernel/cmdline 12894264/tftp-deploy-ylrfn6rf/ramdisk/ramdisk.cpio.gz tftpboot 192.168.201.1 12894264/tftp-deploy-ylrfn6rf/kernel/bzImploy-ylrfn6rf/kernel/cmdline 12894264/tftp-deploy-ylrfn6rf/ramdisk/ramdisk.cpio.gz Waiting for link R8152: Initializing Version 9 (ocp_data = 6010) R8152: Done initializing Adding net device done. MAC: 00:e0:4c:68:04:98 Sending DHCP discover... done. Waiting for reply... done. Sending DHCP request... done. Waiting for reply... done. My ip is 192.168.201.15 The DHCP server ip is 192.168.201.1 TFTP server IP predefined by user: 192.168.201.1 Bootfile predefined by user: 12894264/tftp-deploy-ylrfn6rf/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 ################################################################ 01000000 ################################################################ 01080000 ################################################################ 01100000 ############################ done. The bootfile was 18050656 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 ################################################################ done. Sending tftp read request... done. Waiting for the transfer... 00000000 # done. Command line loaded dynamically from TFTP file: 12894264/tftp-deploy-ylrfn6rf/kernel/cmdline The command line is: earlyprintk=uart8250,mmio32,0xde000000,115200n8 console_msg_format=syslog earlycon deferred_probe_timeout=60 console=ttyS0,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/12894264/extract-nfsrootfs-31ny4kj9,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: 21209222 Starting kernel ... <5>[ 0.000000] Linux version 5.10.209-cip44 (KernelCI@build-j124484-x86-64-gcc-10-x86-64-defconfig-x86-board-qwv4n) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Thu Feb 29 08:18:41 UTC 2024 <6>[ 0.000000] Command line: earlyprintk=uart8250,mmio32,0xde000000,115200n8 console_msg_format=syslog earlycon deferred_probe_timeout=60 console=ttyS0,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/12894264/extract-nfsrootfs-31ny4kj9,tcp,hard ip=dhcp tftpserverip=192.168.201.1 <6>[ 0.000000] BIOS-provided physical RAM map: <6>[ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x0000000000000fff] type 16 <6>[ 0.000000] BIOS-e820: [mem 0x0000000000001000-0x000000000009ffff] usable <6>[ 0.000000] BIOS-e820: [mem 0x00000000000a0000-0x00000000000fffff] reserved <6>[ 0.000000] BIOS-e820: [mem 0x0000000000100000-0x000000007a997fff] usable <6>[ 0.000000] BIOS-e820: [mem 0x000000007a998000-0x000000007affffff] type 16 <6>[ 0.000000] BIOS-e820: [mem 0x000000007b000000-0x000000007fffffff] reserved <6>[ 0.000000] BIOS-e820: [mem 0x00000000e0000000-0x00000000e3ffffff] reserved <6>[ 0.000000] BIOS-e820: [mem 0x00000000fe000000-0x00000000fe00ffff] reserved <6>[ 0.000000] BIOS-e820: [mem 0x00000000fed10000-0x00000000fed19fff] reserved <6>[ 0.000000] BIOS-e820: [mem 0x00000000fed80000-0x00000000fed84fff] reserved <6>[ 0.000000] BIOS-e820: [mem 0x00000000fed90000-0x00000000fed91fff] reserved <6>[ 0.000000] BIOS-e820: [mem 0x0000000100000000-0x000000017effffff] usable <6>[ 0.000000] NX (Execute Disable) protection: active <6>[ 0.000000] SMBIOS 2.7 present. <6>[ 0.000000] DMI: Google Rammus/Rammus, BIOS 09/04/2020 <6>[ 0.000000] tsc: Detected 1600.000 MHz processor <6>[ 0.000000] tsc: Detected 1599.960 MHz TSC <6>[ 0.000057] last_pfn = 0x17f000 max_arch_pfn = 0x400000000 <6>[ 0.001408] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT <6>[ 0.007172] last_pfn = 0x7a998 max_arch_pfn = 0x400000000 <6>[ 0.026064] check: Scanning 1 areas for low memory corruption <6>[ 0.026078] Using GB pages for direct mapping <6>[ 0.026598] RAMDISK: [mem 0x37601000-0x37ffffff] <6>[ 0.026606] ACPI: Early table checksum verification disabled <6>[ 0.026614] ACPI: RSDP 0x00000000000F0000 000024 (v02 CORE ) <6>[ 0.026627] ACPI: XSDT 0x000000007AA9A0E0 00006C (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.026644] ACPI: FACP 0x000000007AA9E970 0000F4 (v04 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.026660] ACPI: DSDT 0x000000007AA9A280 0046E3 (v05 COREv4 COREBOOT 20110725 INTL 20180531) <6>[ 0.026673] ACPI: FACS 0x000000007AA9A240 000040 <6>[ 0.026684] ACPI: FACS 0x000000007AA9A240 000040 <6>[ 0.026695] ACPI: SSDT 0x000000007AA9EA70 000EFA (v02 CORE COREBOOT 0000002A CORE 0000002A) <6>[ 0.026708] ACPI: MCFG 0x000000007AA9F970 00003C (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.026721] ACPI: TPM2 0x000000007AA9F9B0 000040 (v04 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.026733] ACPI: APIC 0x000000007AA9F9F0 00006C (v02 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.026745] ACPI: NHLT 0x000000007AA9FA60 001B1C (v05 GOOGLE RAMMUS 00000000 CORE 00000000) <6>[ 0.026758] ACPI: DMAR 0x000000007AAA1580 000088 (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.026770] ACPI: DBG2 0x000000007AAA3610 000061 (v00 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.026782] ACPI: HPET 0x000000007AAA3680 000038 (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.026794] ACPI: Reserving FACP table memory at [mem 0x7aa9e970-0x7aa9ea63] <6>[ 0.026800] ACPI: Reserving DSDT table memory at [mem 0x7aa9a280-0x7aa9e962] <6>[ 0.026805] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] <6>[ 0.026809] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] <6>[ 0.026814] ACPI: Reserving SSDT table memory at [mem 0x7aa9ea70-0x7aa9f969] <6>[ 0.026819] ACPI: Reserving MCFG table memory at [mem 0x7aa9f970-0x7aa9f9ab] <6>[ 0.026824] ACPI: Reserving TPM2 table memory at [mem 0x7aa9f9b0-0x7aa9f9ef] <6>[ 0.026828] ACPI: Reserving APIC table memory at [mem 0x7aa9f9f0-0x7aa9fa5b] <6>[ 0.026833] ACPI: Reserving NHLT table memory at [mem 0x7aa9fa60-0x7aaa157b] <6>[ 0.026838] ACPI: Reserving DMAR table memory at [mem 0x7aaa1580-0x7aaa1607] <6>[ 0.026843] ACPI: Reserving DBG2 table memory at [mem 0x7aaa3610-0x7aaa3670] <6>[ 0.026848] ACPI: Reserving HPET table memory at [mem 0x7aaa3680-0x7aaa36b7] <6>[ 0.026987] No NUMA configuration found <6>[ 0.026992] Faking a node at [mem 0x0000000000000000-0x000000017effffff] <6>[ 0.027002] NODE_DATA(0) allocated [mem 0x17effc000-0x17effffff] <6>[ 0.027047] Zone ranges: <6>[ 0.027052] DMA [mem 0x0000000000001000-0x0000000000ffffff] <6>[ 0.027060] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] <6>[ 0.027067] Normal [mem 0x0000000100000000-0x000000017effffff] <6>[ 0.027075] Movable zone start for each node <6>[ 0.027079] Early memory node ranges <6>[ 0.027084] node 0: [mem 0x0000000000001000-0x000000000009ffff] <6>[ 0.027090] node 0: [mem 0x0000000000100000-0x000000007a997fff] <6>[ 0.027095] node 0: [mem 0x0000000100000000-0x000000017effffff] <6>[ 0.027101] Initmem setup node 0 [mem 0x0000000000001000-0x000000017effffff] <6>[ 0.027146] On node 0, zone DMA: 1 pages in unavailable ranges <6>[ 0.027190] On node 0, zone DMA: 96 pages in unavailable ranges <6>[ 0.038357] On node 0, zone Normal: 22120 pages in unavailable ranges <6>[ 0.038434] On node 0, zone Normal: 4096 pages in unavailable ranges <6>[ 0.038461] Reserving Intel graphics memory at [mem 0x7c000000-0x7fffffff] <6>[ 0.038842] ACPI: PM-Timer IO Port: 0x1808 <6>[ 0.038898] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-119 <6>[ 0.038913] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) <6>[ 0.038919] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) <6>[ 0.038934] Using ACPI (MADT) for SMP configuration information <6>[ 0.038940] ACPI: HPET id: 0x8086a701 base: 0xfed00000 <6>[ 0.038948] TSC deadline timer available <6>[ 0.038953] smpboot: Allowing 4 CPUs, 0 hotplug CPUs <6>[ 0.038984] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] <6>[ 0.038990] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000fffff] <6>[ 0.038996] PM: hibernation: Registered nosave memory: [mem 0x7a998000-0x7affffff] <6>[ 0.039001] PM: hibernation: Registered nosave memory: [mem 0x7b000000-0x7fffffff] <6>[ 0.039005] PM: hibernation: Registered nosave memory: [mem 0x80000000-0xdfffffff] <6>[ 0.039010] PM: hibernation: Registered nosave memory: [mem 0xe0000000-0xe3ffffff] <6>[ 0.039014] PM: hibernation: Registered nosave memory: [mem 0xe4000000-0xfdffffff] <6>[ 0.039019] PM: hibernation: Registered nosave memory: [mem 0xfe000000-0xfe00ffff] <6>[ 0.039023] PM: hibernation: Registered nosave memory: [mem 0xfe010000-0xfed0ffff] <6>[ 0.039028] PM: hibernation: Registered nosave memory: [mem 0xfed10000-0xfed19fff] <6>[ 0.039032] PM: hibernation: Registered nosave memory: [mem 0xfed1a000-0xfed7ffff] <6>[ 0.039037] PM: hibernation: Registered nosave memory: [mem 0xfed80000-0xfed84fff] <6>[ 0.039041] PM: hibernation: Registered nosave memory: [mem 0xfed85000-0xfed8ffff] <6>[ 0.039046] PM: hibernation: Registered nosave memory: [mem 0xfed90000-0xfed91fff] <6>[ 0.039050] PM: hibernation: Registered nosave memory: [mem 0xfed92000-0xffffffff] <6>[ 0.039059] [mem 0x80000000-0xdfffffff] available for PCI devices <6>[ 0.039067] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns <6>[ 0.058130] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:4 nr_node_ids:1 <6>[ 0.058439] percpu: Embedded 59 pages/cpu s200848 r8192 d32624 u524288 <6>[ 0.058521] Built 1 zonelists, mobility grouping on. Total pages: 1006266 <6>[ 0.058526] Policy zone: Normal <5>[ 0.058541] Kernel command line: earlyprintk=uart8250,mmio32,0xde000000,115200n8 console_msg_format=syslog earlycon deferred_probe_timeout=60 console=ttyS0,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/12894264/extract-nfsrootfs-31ny4kj9,tcp,hard ip=dhcp tftpserverip=192.168.201.1 <6>[ 0.059136] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) <6>[ 0.059395] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear) <6>[ 0.059491] mem auto-init: stack:off, heap alloc:off, heap free:off <6>[ 0.081750] Memory: 3874268K/4089052K available (22546K kernel code, 3700K rwdata, 13616K rodata, 2164K init, 14004K bss, 214524K reserved, 0K cma-reserved) <6>[ 0.081917] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 <6>[ 0.081980] Kernel/User page tables isolation: enabled <6>[ 0.082105] ftrace: allocating 61525 entries in 241 pages <6>[ 0.150273] ftrace: allocated 241 pages with 5 groups <6>[ 0.150562] Running RCU self tests <6>[ 0.150578] rcu: Hierarchical RCU implementation. <6>[ 0.150583] rcu: RCU event tracing is enabled. <6>[ 0.150587] rcu: RCU lockdep checking is enabled. <6>[ 0.150592] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=4. <6>[ 0.150598] Rude variant of Tasks RCU enabled. <6>[ 0.150602] Tracing variant of Tasks RCU enabled. <6>[ 0.150607] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies. <6>[ 0.150612] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 <6>[ 0.160538] NR_IRQS: 4352, nr_irqs: 1024, preallocated irqs: 16 <5>[ 0.161046] random: crng init done <6>[ 0.161157] Console: colour dummy device 80x25 <6>[ 0.234714] printk: console [ttyS0] enabled <4>[ 0.235104] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar <4>[ 0.235789] ... MAX_LOCKDEP_SUBCLASSES: 8 <4>[ 0.236171] ... MAX_LOCK_DEPTH: 48 <4>[ 0.236561] ... MAX_LOCKDEP_KEYS: 8192 <4>[ 0.236965] ... CLASSHASH_SIZE: 4096 <4>[ 0.237370] ... MAX_LOCKDEP_ENTRIES: 32768 <4>[ 0.237781] ... MAX_LOCKDEP_CHAINS: 65536 <4>[ 0.238193] ... CHAINHASH_SIZE: 32768 <4>[ 0.238605] memory used by lock dependency info: 6365 kB <4>[ 0.239096] memory used for stack traces: 4224 kB <4>[ 0.239536] per task-struct memory footprint: 1920 bytes <6>[ 0.240088] ACPI: Core revision 20200925 <6>[ 0.240679] hpet: HPET dysfunctional in PC10. Force disabled. <6>[ 0.241202] APIC: Switch to symmetric I/O mode setup <6>[ 0.245698] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x170fff30cc4, max_idle_ns: 440795237869 ns <6>[ 0.246643] Calibrating delay loop (skipped), value calculated using timer frequency.. 3199.92 BogoMIPS (lpj=1599960) <6>[ 0.247624] mce: CPU0: Thermal monitoring enabled (TM1) <6>[ 0.247624] process: using mwait in idle threads <6>[ 0.247624] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8 <6>[ 0.247624] Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4 <6>[ 0.247624] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization <6>[ 0.247624] Spectre V2 : Mitigation: IBRS <6>[ 0.247624] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch <6>[ 0.247624] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB on VMEXIT <6>[ 0.247624] RETBleed: Mitigation: IBRS <6>[ 0.247624] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier <6>[ 0.247624] Spectre V2 : User space: Mitigation: STIBP via seccomp and prctl <6>[ 0.247624] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl and seccomp <6>[ 0.247624] MDS: Vulnerable: Clear CPU buffers attempted, no microcode <6>[ 0.247624] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode <6>[ 0.247624] SRBDS: Vulnerable: No microcode <6>[ 0.247624] GDS: Vulnerable: No microcode <6>[ 0.247624] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' <6>[ 0.247624] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' <6>[ 0.247624] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers' <6>[ 0.247624] x86/fpu: Supporting XSAVE feature 0x008: 'MPX bounds registers' <6>[ 0.247624] x86/fpu: Supporting XSAVE feature 0x010: 'MPX CSR' <6>[ 0.247624] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 <6>[ 0.247624] x86/fpu: xstate_offset[3]: 832, xstate_sizes[3]: 64 <6>[ 0.247624] x86/fpu: xstate_offset[4]: 896, xstate_sizes[4]: 64 <6>[ 0.247624] x86/fpu: Enabled xstate features 0x1f, context size is 960 bytes, using 'compacted' format. <4>[ 0.247624] ------------[ cut here ]------------ <4>[ 0.247624] missing return thunk: lkdtm_rodata_do_nothing+0x0/0x10-lkdtm_rodata_do_nothing+0x5/0x10: e9 00 00 00 00 <4>[ 0.247624] WARNING: CPU: 0 PID: 0 at arch/x86/kernel/alternative.c:725 apply_returns+0x1f5/0x220 <4>[ 0.247624] Modules linked in: <4>[ 0.247624] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.10.209-cip44 #1 <4>[ 0.247624] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 0.247624] RIP: 0010:apply_returns+0x1f5/0x220 <4>[ 0.247624] Code: 87 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 d0 6a 11 9f c6 05 80 08 87 02 01 e8 25 4c 14 01 <0f> 0b e9 b9 fe ff ff 44 89 f9 c7 00 cc cc cc cc c7 44 08 fc cc cc <4>[ 0.247624] RSP: 0000:ffffffff9f403e28 EFLAGS: 00010282 <4>[ 0.247624] RAX: 0000000000000000 RBX: ffffffffa002133c RCX: 0000000000000000 <4>[ 0.247624] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff9cf77c51 <4>[ 0.247624] RBP: ffffffff9ed944c0 R08: 0000000000000001 R09: 0000000000000001 <4>[ 0.247624] R10: ffffffff9f48ff20 R11: 3fffffffffffffff R12: ffffffffa0039f78 <4>[ 0.247624] R13: cccccccccccccccc R14: ffffffff9ed944c5 R15: 0000000000000004 <4>[ 0.247624] FS: 0000000000000000(0000) GS:ffff88ff3ac00000(0000) knlGS:0000000000000000 <4>[ 0.247624] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 0.247624] CR2: ffff88fef7401000 CR3: 0000000135a26001 CR4: 00000000003706f0 <4>[ 0.247624] Call Trace: <4>[ 0.247624] ? __warn+0x80/0x110 <4>[ 0.247624] ? apply_returns+0x1f5/0x220 <4>[ 0.247624] ? report_bug+0x9e/0xc0 <4>[ 0.247624] ? handle_bug+0x41/0x90 <4>[ 0.247624] ? exc_invalid_op+0x14/0x70 <4>[ 0.247624] ? asm_exc_invalid_op+0x12/0x20 <4>[ 0.247624] ? console_unlock+0x4d1/0x5f0 <4>[ 0.247624] ? apply_returns+0x1f5/0x220 <4>[ 0.247624] ? apply_returns+0x1f5/0x220 <4>[ 0.247624] alternative_instructions+0x7d/0x143 <4>[ 0.247624] arch_cpu_finalize_init+0x28/0x47 <4>[ 0.247624] start_kernel+0x4a3/0x54d <4>[ 0.247624] secondary_startup_64_no_verify+0xc2/0xcb <4>[ 0.247624] irq event stamp: 199061 <4>[ 0.247624] hardirqs last enabled at (199069): [] console_unlock+0x4d1/0x5f0 <4>[ 0.247624] hardirqs last disabled at (199076): [] console_unlock+0x444/0x5f0 <4>[ 0.247624] softirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 0.247624] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 0.247624] ---[ end trace 10c52649da3a303b ]--- <6>[ 0.247624] Freeing SMP alternatives memory: 48K <6>[ 0.247624] pid_max: default: 32768 minimum: 301 <6>[ 0.247624] LSM: Security Framework initializing <6>[ 0.247624] SELinux: Initializing. <6>[ 0.247624] LSM support for eBPF active <6>[ 0.247624] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) <6>[ 0.247624] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) <6>[ 0.247624] smpboot: CPU0: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz (family: 0x6, model: 0x8e, stepping: 0x9) <6>[ 0.248306] Performance Events: PEBS fmt3+, Skylake events, 32-deep LBR, full-width counters, Intel PMU driver. <6>[ 0.248641] ... version: 4 <6>[ 0.249019] ... bit width: 48 <6>[ 0.249402] ... generic registers: 4 <6>[ 0.249631] ... value mask: 0000ffffffffffff <6>[ 0.250116] ... max period: 00007fffffffffff <6>[ 0.250600] ... fixed-purpose events: 3 <6>[ 0.250629] ... event mask: 000000070000000f <6>[ 0.251673] rcu: Hierarchical SRCU implementation. <6>[ 0.254224] smp: Bringing up secondary CPUs ... <6>[ 0.255383] x86: Booting SMP configuration: <6>[ 0.255679] .... node #0, CPUs: #1 <4>[ 0.257052] 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. <4>[ 0.258632] 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. <4>[ 0.260306] #2 #3 <6>[ 0.262834] smp: Brought up 1 node, 4 CPUs <6>[ 0.263638] smpboot: Max logical packages: 1 <6>[ 0.264039] smpboot: Total of 4 processors activated (12799.68 BogoMIPS) <6>[ 0.267070] devtmpfs: initialized <6>[ 0.268014] x86/mm: Memory block size: 128MB <6>[ 0.272749] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns <6>[ 0.273641] futex hash table entries: 1024 (order: 5, 131072 bytes, linear) <6>[ 0.274809] pinctrl core: initialized pinctrl subsystem <6>[ 0.276499] PM: RTC time: 08:36:32, date: 2024-02-29 <6>[ 0.277336] NET: Registered protocol family 16 <6>[ 0.278515] audit: initializing netlink subsys (disabled) <5>[ 0.278699] audit: type=2000 audit(1709195791.032:1): state=initialized audit_enabled=0 res=1 <6>[ 0.279416] thermal_sys: Registered thermal governor 'step_wise' <6>[ 0.279449] thermal_sys: Registered thermal governor 'user_space' <6>[ 0.279733] cpuidle: using governor menu <6>[ 0.280814] ACPI: bus type PCI registered <6>[ 0.281736] PCI: MMCONFIG for domain 0000 [bus 00-3f] at [mem 0xe0000000-0xe3ffffff] (base 0xe0000000) <6>[ 0.282560] PCI: MMCONFIG at [mem 0xe0000000-0xe3ffffff] reserved in E820 <6>[ 0.282668] PCI: Using configuration type 1 for base access <6>[ 0.321705] Kprobes globally optimized <6>[ 0.322106] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages <6>[ 0.322644] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages <6>[ 0.323749] cryptomgr_test (39) used greatest stack depth: 15272 bytes left <6>[ 0.324328] cryptomgr_test (38) used greatest stack depth: 14880 bytes left <6>[ 0.327031] ACPI: Added _OSI(Module Device) <6>[ 0.327642] ACPI: Added _OSI(Processor Device) <6>[ 0.328059] ACPI: Added _OSI(3.0 _SCP Extensions) <6>[ 0.328494] ACPI: Added _OSI(Processor Aggregator Device) <6>[ 0.328641] ACPI: Added _OSI(Linux-Dell-Video) <6>[ 0.329058] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) <6>[ 0.329544] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) <6>[ 0.342669] ACPI: 2 ACPI AML tables successfully acquired and loaded <6>[ 0.351516] ACPI: EC: EC started <6>[ 0.351629] ACPI: EC: interrupt blocked <6>[ 0.352795] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 <6>[ 0.353265] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC used to handle transactions <6>[ 0.353631] ACPI: Interpreter enabled <6>[ 0.354056] ACPI: (supports S0 S3 S4 S5) <6>[ 0.354429] ACPI: Using IOAPIC for interrupt routing <6>[ 0.354712] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug <6>[ 0.373562] ACPI: Power Resource [PRIC] (on) <6>[ 0.505366] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) <6>[ 0.505643] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] <6>[ 0.506790] acpi PNP0A08:00: _OSC: OS now controls [PME PCIeCapability LTR] <6>[ 0.507499] acpi PNP0A08:00: [Firmware Info]: MMCONFIG for domain 0000 [bus 00-3f] only partially covers this bridge <6>[ 0.508363] PCI host bridge to bus 0000:00 <6>[ 0.508636] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] <6>[ 0.509247] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] <6>[ 0.509633] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] <6>[ 0.510301] pci_bus 0000:00: root bus resource [mem 0x000c0000-0x000c3fff window] <6>[ 0.510632] pci_bus 0000:00: root bus resource [mem 0x000c4000-0x000c7fff window] <6>[ 0.511300] pci_bus 0000:00: root bus resource [mem 0x000c8000-0x000cbfff window] <6>[ 0.511632] pci_bus 0000:00: root bus resource [mem 0x000cc000-0x000cffff window] <6>[ 0.512300] pci_bus 0000:00: root bus resource [mem 0x000d0000-0x000d3fff window] <6>[ 0.512632] pci_bus 0000:00: root bus resource [mem 0x000d4000-0x000d7fff window] <6>[ 0.513300] pci_bus 0000:00: root bus resource [mem 0x000d8000-0x000dbfff window] <6>[ 0.513632] pci_bus 0000:00: root bus resource [mem 0x000dc000-0x000dffff window] <6>[ 0.514299] pci_bus 0000:00: root bus resource [mem 0x000e0000-0x000e3fff window] <6>[ 0.514631] pci_bus 0000:00: root bus resource [mem 0x000e4000-0x000e7fff window] <6>[ 0.515299] pci_bus 0000:00: root bus resource [mem 0x000e8000-0x000ebfff window] <6>[ 0.515632] pci_bus 0000:00: root bus resource [mem 0x000ec000-0x000effff window] <6>[ 0.516300] pci_bus 0000:00: root bus resource [mem 0x000f0000-0x000fffff window] <6>[ 0.516632] pci_bus 0000:00: root bus resource [mem 0x80000001-0xdfffffff window] <6>[ 0.517300] pci_bus 0000:00: root bus resource [mem 0x800000000-0xbffffffff window] <6>[ 0.517632] pci_bus 0000:00: root bus resource [mem 0xfd000000-0xfe7fffff window] <6>[ 0.518300] pci_bus 0000:00: root bus resource [mem 0xfed40000-0xfed44fff window] <6>[ 0.518633] pci_bus 0000:00: root bus resource [bus 00-ff] <6>[ 0.519246] pci 0000:00:00.0: [8086:590c] type 00 class 0x060000 <6>[ 0.520870] pci 0000:00:02.0: [8086:591c] type 00 class 0x030000 <6>[ 0.521444] pci 0000:00:02.0: reg 0x10: [mem 0xd0000000-0xd0ffffff 64bit] <6>[ 0.521648] pci 0000:00:02.0: reg 0x18: [mem 0xc0000000-0xcfffffff 64bit pref] <6>[ 0.522304] pci 0000:00:02.0: reg 0x20: [io 0x1c00-0x1c3f] <6>[ 0.523382] pci 0000:00:04.0: [8086:1903] type 00 class 0x118000 <6>[ 0.523660] pci 0000:00:04.0: reg 0x10: [mem 0xd1120000-0xd1127fff 64bit] <6>[ 0.525163] pci 0000:00:08.0: [8086:1911] type 00 class 0x088000 <6>[ 0.525661] pci 0000:00:08.0: reg 0x10: [mem 0xd1130000-0xd1130fff 64bit] <6>[ 0.527050] pci 0000:00:14.0: [8086:9d2f] type 00 class 0x0c0330 <6>[ 0.527624] pci 0000:00:14.0: reg 0x10: [mem 0xd1100000-0xd110ffff 64bit] <6>[ 0.528397] pci 0000:00:14.0: PME# supported from D3hot D3cold <6>[ 0.529546] pci 0000:00:14.2: [8086:9d31] type 00 class 0x118000 <6>[ 0.529674] pci 0000:00:14.2: reg 0x10: [mem 0xd1131000-0xd1131fff 64bit] <6>[ 0.531078] pci 0000:00:15.0: [8086:9d60] type 00 class 0x118000 <6>[ 0.531671] pci 0000:00:15.0: reg 0x10: [mem 0xd1132000-0xd1132fff 64bit] <6>[ 0.533232] pci 0000:00:15.1: [8086:9d61] type 00 class 0x118000 <6>[ 0.533682] pci 0000:00:15.1: reg 0x10: [mem 0xd1133000-0xd1133fff 64bit] <6>[ 0.535285] pci 0000:00:19.0: [8086:9d66] type 00 class 0x118000 <6>[ 0.535682] pci 0000:00:19.0: reg 0x10: [mem 0xfe034000-0xfe034fff 64bit] <6>[ 0.536317] pci 0000:00:19.0: reg 0x18: [mem 0xd1135000-0xd1135fff 64bit] <6>[ 0.537544] pci 0000:00:19.1: [8086:9d65] type 00 class 0x118000 <6>[ 0.537681] pci 0000:00:19.1: reg 0x10: [mem 0xd1136000-0xd1136fff 64bit] <6>[ 0.539280] pci 0000:00:1c.0: [8086:9d10] type 01 class 0x060400 <6>[ 0.539855] pci 0000:00:1c.0: PME# supported from D0 D3hot D3cold <6>[ 0.541305] pci 0000:00:1e.0: [8086:9d27] type 00 class 0x118000 <6>[ 0.541683] pci 0000:00:1e.0: reg 0x10: [mem 0xd1137000-0xd1137fff 64bit] <6>[ 0.543248] pci 0000:00:1e.2: [8086:9d29] type 00 class 0x118000 <6>[ 0.543682] pci 0000:00:1e.2: reg 0x10: [mem 0xd1138000-0xd1138fff 64bit] <6>[ 0.545237] pci 0000:00:1e.4: [8086:9d2b] type 00 class 0x080501 <6>[ 0.545675] pci 0000:00:1e.4: reg 0x10: [mem 0xd1139000-0xd1139fff 64bit] <6>[ 0.547354] pci 0000:00:1e.6: [8086:9d2d] type 00 class 0x080501 <6>[ 0.547675] pci 0000:00:1e.6: reg 0x10: [mem 0xd113a000-0xd113afff 64bit] <6>[ 0.549194] pci 0000:00:1f.0: [8086:9d4b] type 00 class 0x060100 <6>[ 0.550551] pci 0000:00:1f.2: [8086:9d21] type 00 class 0x058000 <6>[ 0.550666] pci 0000:00:1f.2: reg 0x10: [mem 0xd1128000-0xd112bfff] <6>[ 0.552117] pci 0000:00:1f.3: [8086:9d71] type 00 class 0x040100 <6>[ 0.552679] pci 0000:00:1f.3: reg 0x10: [mem 0xd112c000-0xd112ffff 64bit] <6>[ 0.553345] pci 0000:00:1f.3: reg 0x20: [mem 0xd1110000-0xd111ffff 64bit] <6>[ 0.553753] pci 0000:00:1f.3: PME# supported from D3hot D3cold <6>[ 0.555166] pci 0000:00:1f.4: [8086:9d23] type 00 class 0x0c0500 <6>[ 0.555698] pci 0000:00:1f.4: reg 0x10: [mem 0xd113c000-0xd113c0ff 64bit] <6>[ 0.556377] pci 0000:00:1f.4: reg 0x20: [io 0xefa0-0xefbf] <6>[ 0.557487] pci 0000:00:1f.5: [8086:9d24] type 00 class 0x000000 <6>[ 0.557667] pci 0000:00:1f.5: reg 0x10: [mem 0xfe010000-0xfe010fff] <6>[ 0.559850] pci 0000:01:00.0: [8086:095a] type 00 class 0x028000 <6>[ 0.561325] pci 0000:01:00.0: reg 0x10: [mem 0xd1000000-0xd1001fff 64bit] <6>[ 0.565616] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold <6>[ 0.568055] pci 0000:00:1c.0: PCI bridge to [bus 01] <6>[ 0.568530] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] <6>[ 0.570196] ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.570955] ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 *10 12 14 15) <6>[ 0.571906] ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.572874] ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.573832] ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.574802] ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.575767] ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.576734] ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.583999] ACPI: EC: interrupt unblocked <6>[ 0.584393] ACPI: EC: event unblocked <6>[ 0.584631] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 <6>[ 0.585104] ACPI: EC: GPE=0x6e <6>[ 0.585409] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC initialization complete <6>[ 0.585633] ACPI: \_SB_.PCI0.LPCB.EC0_: EC: Used to handle transactions and events <6>[ 0.586809] iommu: Default domain type: Translated <6>[ 0.587709] pci 0000:00:02.0: vgaarb: setting as boot VGA device <6>[ 0.588279] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none <6>[ 0.588653] pci 0000:00:02.0: vgaarb: bridge control possible <6>[ 0.589177] vgaarb: loaded <5>[ 0.590151] SCSI subsystem initialized <6>[ 0.590896] ACPI: bus type USB registered <6>[ 0.591423] usbcore: registered new interface driver usbfs <6>[ 0.591711] usbcore: registered new interface driver hub <6>[ 0.592241] usbcore: registered new device driver usb <6>[ 0.592765] mc: Linux media interface: v0.10 <6>[ 0.593200] videodev: Linux video capture interface: v2.00 <6>[ 0.593670] pps_core: LinuxPPS API ver. 1 registered <6>[ 0.594128] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <6>[ 0.594642] PTP clock support registered <6>[ 0.595668] Advanced Linux Sound Architecture Driver Initialized. <6>[ 0.597431] NetLabel: Initializing <6>[ 0.597632] NetLabel: domain hash size = 128 <6>[ 0.598039] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO <6>[ 0.598646] NetLabel: unlabeled traffic allowed by default <6>[ 0.599251] PCI: Using ACPI for IRQ routing <6>[ 0.607482] clocksource: Switched to clocksource tsc-early <5>[ 1.057968] VFS: Disk quotas dquot_6.6.0 <6>[ 1.058395] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) <6>[ 1.059498] pnp: PnP ACPI init <6>[ 1.060690] system 00:00: [mem 0xfed10000-0xfed17fff] has been reserved <6>[ 1.061292] system 00:00: [mem 0xfed18000-0xfed18fff] has been reserved <6>[ 1.061908] system 00:00: [mem 0xfed19000-0xfed19fff] has been reserved <6>[ 1.062508] system 00:00: [mem 0xe0000000-0xe3ffffff] has been reserved <6>[ 1.063120] system 00:00: [mem 0xfed20000-0xfed3ffff] has been reserved <6>[ 1.063736] system 00:00: [mem 0xfed90000-0xfed93fff] could not be reserved <6>[ 1.064366] system 00:00: [mem 0xfed45000-0xfed8ffff] could not be reserved <6>[ 1.065006] system 00:00: [mem 0xff000000-0xffffffff] has been reserved <6>[ 1.065605] system 00:00: [mem 0xfee00000-0xfeefffff] has been reserved <6>[ 1.066217] system 00:00: [mem 0xfed00000-0xfed003ff] has been reserved <6>[ 1.067805] system 00:01: [io 0x1800-0x18fe] has been reserved <6>[ 1.068771] system 00:03: [io 0x0900-0x09fe] has been reserved <6>[ 1.069578] system 00:04: [io 0x0200] has been reserved <6>[ 1.070089] system 00:04: [io 0x0204] has been reserved <6>[ 1.070581] system 00:04: [io 0x0800-0x087f] has been reserved <6>[ 1.071137] system 00:04: [io 0x0880-0x08ff] has been reserved <6>[ 1.074482] pnp: PnP ACPI: found 6 devices <6>[ 1.089648] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns <6>[ 1.090568] NET: Registered protocol family 2 <6>[ 1.091173] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear) <6>[ 1.093722] tcp_listen_portaddr_hash hash table entries: 2048 (order: 5, 163840 bytes, linear) <6>[ 1.094691] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear) <6>[ 1.095623] TCP bind hash table entries: 32768 (order: 9, 2359296 bytes, linear) <6>[ 1.098569] TCP: Hash tables configured (established 32768 bind 32768) <6>[ 1.099558] MPTCP token hash table entries: 4096 (order: 6, 360448 bytes, linear) <6>[ 1.100578] UDP hash table entries: 2048 (order: 6, 327680 bytes, linear) <6>[ 1.101511] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes, linear) <6>[ 1.102623] NET: Registered protocol family 1 <6>[ 1.103884] RPC: Registered named UNIX socket transport module. <6>[ 1.104451] RPC: Registered udp transport module. <6>[ 1.104905] RPC: Registered tcp transport module. <6>[ 1.105342] RPC: Registered tcp NFSv4.1 backchannel transport module. <6>[ 1.106595] NET: Registered protocol family 44 <6>[ 1.107054] pci 0000:00:1c.0: PCI bridge to [bus 01] <6>[ 1.107529] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] <6>[ 1.108169] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] <6>[ 1.108738] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] <6>[ 1.109298] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] <6>[ 1.109993] pci_bus 0000:00: resource 7 [mem 0x000c0000-0x000c3fff window] <6>[ 1.110610] pci_bus 0000:00: resource 8 [mem 0x000c4000-0x000c7fff window] <6>[ 1.111239] pci_bus 0000:00: resource 9 [mem 0x000c8000-0x000cbfff window] <6>[ 1.111871] pci_bus 0000:00: resource 10 [mem 0x000cc000-0x000cffff window] <6>[ 1.112497] pci_bus 0000:00: resource 11 [mem 0x000d0000-0x000d3fff window] <6>[ 1.113132] pci_bus 0000:00: resource 12 [mem 0x000d4000-0x000d7fff window] <6>[ 1.113771] pci_bus 0000:00: resource 13 [mem 0x000d8000-0x000dbfff window] <6>[ 1.114398] pci_bus 0000:00: resource 14 [mem 0x000dc000-0x000dffff window] <6>[ 1.115036] pci_bus 0000:00: resource 15 [mem 0x000e0000-0x000e3fff window] <6>[ 1.115678] pci_bus 0000:00: resource 16 [mem 0x000e4000-0x000e7fff window] <6>[ 1.116304] pci_bus 0000:00: resource 17 [mem 0x000e8000-0x000ebfff window] <6>[ 1.116943] pci_bus 0000:00: resource 18 [mem 0x000ec000-0x000effff window] <6>[ 1.117569] pci_bus 0000:00: resource 19 [mem 0x000f0000-0x000fffff window] <6>[ 1.118204] pci_bus 0000:00: resource 20 [mem 0x80000001-0xdfffffff window] <6>[ 1.118843] pci_bus 0000:00: resource 21 [mem 0x800000000-0xbffffffff window] <6>[ 1.119484] pci_bus 0000:00: resource 22 [mem 0xfd000000-0xfe7fffff window] <6>[ 1.120117] pci_bus 0000:00: resource 23 [mem 0xfed40000-0xfed44fff window] <6>[ 1.120757] pci_bus 0000:01: resource 1 [mem 0xd1000000-0xd10fffff] <6>[ 1.121811] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] <6>[ 1.124751] PCI: CLS 64 bytes, default 64 <6>[ 1.125591] Unpacking initramfs... <6>[ 1.579828] Freeing initrd memory: 10236K <6>[ 1.580286] DMAR: Host address width 39 <6>[ 1.580751] DMAR: DRHD base: 0x000000fed90000 flags: 0x0 <6>[ 1.581310] DMAR: dmar0: reg_base_addr fed90000 ver 1:0 cap 1c0000c40660462 ecap 19e2ff0505e <6>[ 1.582071] DMAR: RMRR base: 0x0000007b800000 end: 0x0000007fffffff <6>[ 1.582650] DMAR: DRHD base: 0x000000fed91000 flags: 0x1 <6>[ 1.583154] DMAR: dmar1: reg_base_addr fed91000 ver 1:0 cap d2008c40660462 ecap f050da <6>[ 1.583972] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) <6>[ 1.584555] software IO TLB: mapped [mem 0x0000000076998000-0x000000007a998000] (64MB) <6>[ 1.585515] RAPL PMU: API unit is 2^-32 Joules, 5 fixed counters, 655360 ms ovfl timer <6>[ 1.586243] RAPL PMU: hw unit of domain pp0-core 2^-14 Joules <6>[ 1.586786] RAPL PMU: hw unit of domain package 2^-14 Joules <6>[ 1.587301] RAPL PMU: hw unit of domain dram 2^-14 Joules <6>[ 1.587803] RAPL PMU: hw unit of domain pp1-gpu 2^-14 Joules <6>[ 1.588317] RAPL PMU: hw unit of domain psys 2^-14 Joules <3>[ 1.590702] kvm: already loaded the other module <6>[ 1.601318] check: Scanning for low memory corruption every 60 seconds <5>[ 1.605330] Initialise system trusted keyrings <6>[ 1.606038] workingset: timestamp_bits=56 max_order=20 bucket_order=0 <5>[ 1.627303] NFS: Registering the id_resolver key type <5>[ 1.627829] Key type id_resolver registered <5>[ 1.628251] Key type id_legacy registered <5>[ 1.651146] Key type asymmetric registered <5>[ 1.651565] Asymmetric key parser 'x509' registered <6>[ 1.652091] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 248) <6>[ 1.652784] io scheduler mq-deadline registered <6>[ 1.653208] io scheduler kyber registered <4>[ 1.653834] test_firmware: interface ready <6>[ 1.655869] pcieport 0000:00:1c.0: PME: Signaling with IRQ 120 <6>[ 1.657820] ACPI: AC Adapter [AC] (on-line) <6>[ 1.658630] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/PNP0C0D:00/input/input0 <6>[ 1.660500] ACPI: Lid Switch [LID0] <6>[ 1.661129] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input1 <6>[ 1.662076] ACPI: Power Button [PWRF] <6>[ 1.662928] ACPI: \_PR_.CP00: Found 3 idle states <6>[ 1.664133] ACPI: \_PR_.CP01: Found 3 idle states <6>[ 1.665219] ACPI: \_PR_.CP02: Found 3 idle states <6>[ 1.666280] ACPI: \_PR_.CP03: Found 3 idle states <6>[ 1.667972] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled <4>[ 1.672335] hpet_acpi_add: no address or irqs in _CRS <6>[ 1.673202] Non-volatile memory driver v1.3 <6>[ 1.673826] battery: ACPI: Battery Slot [BAT0] (battery present) <6>[ 1.673903] Linux agpgart interface v0.103 <6>[ 1.675209] ACPI: bus type drm_connector registered <6>[ 1.675862] [drm] amdgpu kernel modesetting enabled. <6>[ 1.679171] i915 0000:00:02.0: vgaarb: deactivate vga console <6>[ 1.731565] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem <6>[ 1.733368] i915 0000:00:02.0: [drm] Finished loading DMC firmware i915/kbl_dmc_ver1_04.bin (v1.4) <6>[ 1.761008] [drm] Initialized i915 1.6.0 20200917 for 0000:00:02.0 on minor 0 <6>[ 1.765039] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 1 <6>[ 1.781477] loop: module loaded <6>[ 1.782615] lkdtm: No crash points registered, enable through debugfs <6>[ 1.807302] printk: console [ttyS0] disabled <6>[ 1.808097] dw-apb-uart.2: ttyS0 at MMIO 0xfe034000 (irq = 32, base_baud = 115200) is a 16550A <6>[ 2.645888] tsc: Refined TSC clocksource calibration: 1607.999 MHz <6>[ 2.653332] printk: console [ttyS0] enabled <6>[ 2.662292] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x172da94f0e2, max_idle_ns: 440795278248 ns <6>[ 2.688778] dw-apb-uart.4: ttyS1 at MMIO 0xd1137000 (irq = 20, base_baud = 115200) is a 16550A <6>[ 5.449228] clocksource: Switched to clocksource tsc <6>[ 5.449434] fbcon: i915drmfb (fb0) is primary device <4>[ 5.451513] pxa2xx-spi pxa2xx-spi.5: no DMA channels available, using PIO <6>[ 5.460723] e100: Intel(R) PRO/100 Network Driver <6>[ 5.460727] e100: Copyright(c) 1999-2006 Intel Corporation <6>[ 5.460790] e1000: Intel(R) PRO/1000 Network Driver <6>[ 5.460792] e1000: Copyright (c) 1999-2006 Intel Corporation. <6>[ 5.460876] e1000e: Intel(R) PRO/1000 Network Driver <6>[ 5.460879] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. <6>[ 5.460962] sky2: driver version 1.30 <6>[ 5.461276] usbcore: registered new interface driver r8152 <6>[ 5.461772] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver <6>[ 5.461800] ehci-pci: EHCI PCI platform driver <6>[ 5.461891] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver <6>[ 5.461920] ohci-pci: OHCI PCI platform driver <6>[ 5.462009] uhci_hcd: USB Universal Host Controller Interface driver <6>[ 5.462526] tpm_tis_spi spi-PRP0001:00: TPM ready IRQ confirmed on attempt 2 <6>[ 5.463492] xhci_hcd 0000:00:14.0: xHCI Host Controller <6>[ 5.464776] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 1 <6>[ 5.466212] xhci_hcd 0000:00:14.0: hcc params 0x200077c1 hci version 0x100 quirks 0x0000000081109810 <6>[ 5.466280] xhci_hcd 0000:00:14.0: cache line size of 64 is not supported <6>[ 5.468496] xhci_hcd 0000:00:14.0: xHCI Host Controller <6>[ 5.469046] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 2 <6>[ 5.469060] xhci_hcd 0000:00:14.0: Host supports USB 3.0 SuperSpeed <6>[ 5.469723] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10 <6>[ 5.469761] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 <6>[ 5.469765] usb usb1: Product: xHCI Host Controller <6>[ 5.469769] usb usb1: Manufacturer: Linux 5.10.209-cip44 xhci-hcd <6>[ 5.469774] usb usb1: SerialNumber: 0000:00:14.0 <6>[ 5.471807] hub 1-0:1.0: USB hub found <6>[ 5.472005] hub 1-0:1.0: 12 ports detected <6>[ 5.476205] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.10 <6>[ 5.476209] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 <6>[ 5.476213] usb usb2: Product: xHCI Host Controller <6>[ 5.476216] usb usb2: Manufacturer: Linux 5.10.209-cip44 xhci-hcd <6>[ 5.476220] usb usb2: SerialNumber: 0000:00:14.0 <6>[ 5.477249] hub 2-0:1.0: USB hub found <6>[ 5.477301] hub 2-0:1.0: 6 ports detected <6>[ 5.479239] usbcore: registered new interface driver usblp <6>[ 5.479347] usbcore: registered new interface driver usb-storage <6>[ 5.479979] udc-core: couldn't find an available UDC - added [g_ether] to list of pending drivers <6>[ 5.480145] i8042: PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1 <4>[ 5.480149] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp <6>[ 5.480625] Console: switching to colour frame buffer device 240x67 <4>[ 5.480889] i8042: Warning: Keylock active <6>[ 5.481193] serio: i8042 KBD port at 0x60,0x64 irq 1 <6>[ 5.483474] rtc_cmos 00:02: RTC can wake from S4 <6>[ 5.486086] tpm_tis_spi spi-PRP0001:00: 2.0 TPM (device-id 0x28, rev-id 0) <6>[ 5.486234] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input2 <6>[ 5.487251] rtc_cmos 00:02: registered as rtc0 <6>[ 5.487887] rtc_cmos 00:02: alarms up to one month, 242 bytes nvram <6>[ 5.489335] i801_smbus 0000:00:1f.4: SPD Write Disable is set <6>[ 5.489395] i801_smbus 0000:00:1f.4: SMBus using PCI interrupt <6>[ 5.490833] i2c i2c-9: 2/2 memory slots populated (from DMI) <6>[ 5.493016] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com <6>[ 5.493087] intel_pstate: Intel P-state driver initializing <6>[ 5.494376] intel_pstate: HWP enabled <6>[ 5.494423] sdhci: Secure Digital Host Controller Interface driver <6>[ 5.494424] sdhci: Copyright(c) Pierre Ossman <6>[ 5.494465] sdhci-pci 0000:00:1e.4: SDHCI controller found [8086:9d2b] (rev 21) <6>[ 5.495794] mmc0: SDHCI controller on PCI [0000:00:1e.4] using ADMA 64-bit <6>[ 5.501249] i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device <6>[ 5.507669] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 5.935764] hid: raw HID events driver (C) Jiri Kosina <6>[ 5.942268] usbcore: registered new interface driver usbhid <6>[ 5.948796] usbhid: USB HID core driver <6>[ 5.953744] input: Tablet Mode Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/GOOG0006:00/input/input3 <6>[ 5.971704] cros_ec_lpcs GOOG0004:00: Chrome EC device registered <6>[ 5.974688] tpm_tis_spi spi-PRP0001:00: Cr50 firmware version: B2-C:0 RO_A:0.0.10/29d77172 RW_B:0.3.15/cr50_v1.9308_87_mp.224-6 <6>[ 5.979396] snd_hda_intel 0000:00:1f.3: DSP detected with PCI class/subclass/prog-if info 0x040100 <6>[ 6.002870] netem: version 1.3 <6>[ 6.006681] ipip: IPv4 and MPLS over IPv4 tunneling driver <6>[ 6.013331] IPv4 over IPsec tunneling driver <6>[ 6.018587] Initializing XFRM netlink socket <6>[ 6.023972] NET: Registered protocol family 10 <6>[ 6.029960] Segment Routing with IPv6 <6>[ 6.034867] NET: Registered protocol family 17 <6>[ 6.040258] 8021q: 802.1Q VLAN Support v1.8 <5>[ 6.045269] Key type dns_resolver registered <6>[ 6.052258] usb 1-3: new full-speed USB device number 2 using xhci_hcd <6>[ 6.060200] microcode: sig=0x806e9, pf=0x10, revision=0x98 <6>[ 6.066761] microcode: Microcode Update Driver: v2.2. <6>[ 6.066768] IPI shorthand broadcast: enabled <6>[ 6.077853] sched_clock: Marking stable (5992187846, 85633116)->(6215505249, -137684287) <6>[ 6.087518] registered taskstats version 1 <5>[ 6.092400] Loading compiled-in X.509 certificates <6>[ 6.099636] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 6.109423] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 6.119060] PM: Magic number: 12:582:625 <6>[ 6.124138] printk: console [netcon0] enabled <6>[ 6.129305] netconsole: network logging started <6>[ 6.161226] mmc0: new HS400 MMC card at address 0001 <6>[ 6.168541] mmcblk0: mmc0:0001 DA4064 58.2 GiB <6>[ 6.176680] mmcblk0boot0: mmc0:0001 DA4064 partition 1 4.00 MiB <6>[ 6.187576] mmcblk0boot1: mmc0:0001 DA4064 partition 2 4.00 MiB <6>[ 6.194863] mmcblk0rpmb: mmc0:0001 DA4064 partition 3 16.0 MiB, chardev (245:0) <6>[ 6.203737] snd_hda_intel 0000:00:1f.3: bound 0000:00:02.0 (ops i915_audio_component_bind_ops) <6>[ 6.206770] usb 1-3: New USB device found, idVendor=8087, idProduct=0a2a, bcdDevice= 0.03 <6>[ 6.223208] usb 1-3: New USB device strings: Mfr=0, Product=0, SerialNumber=0 <3>[ 6.228238] snd_hda_intel 0000:00:1f.3: Cannot probe codecs, giving up <6>[ 6.233940] mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12 <6>[ 6.246321] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 6.268688] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 6.320746] usb 2-3: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd <6>[ 6.342259] usb 2-3: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=31.00 <6>[ 6.351731] usb 2-3: New USB device strings: Mfr=1, Product=2, SerialNumber=6 <6>[ 6.360016] usb 2-3: Product: USB 10/100/1000 LAN <6>[ 6.365576] usb 2-3: Manufacturer: Realtek <6>[ 6.370454] usb 2-3: SerialNumber: 001000001 <6>[ 6.387532] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 6.456790] usb 1-9: new high-speed USB device number 3 using xhci_hcd <6>[ 6.627252] usb 1-9: New USB device found, idVendor=13d3, idProduct=56d4, bcdDevice=18.07 <6>[ 6.636733] usb 1-9: New USB device strings: Mfr=3, Product=1, SerialNumber=2 <6>[ 6.645020] usb 1-9: Product: USB2.0 HD UVC WebCam <6>[ 6.650685] usb 1-9: Manufacturer: Azurewave <6>[ 6.655786] usb 1-9: SerialNumber: 0x0001 <6>[ 6.668289] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 6.714035] usb 2-3: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd <6>[ 6.770854] r8152 2-3:1.0: load rtl8153b-2 v2 04/27/23 successfully <6>[ 6.811763] r8152 2-3:1.0 eth0: v1.11.11 <6>[ 6.817010] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 8.479032] r8152 2-3:1.0 eth0: carrier on <6>[ 8.484004] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready <5>[ 8.492753] Sending DHCP requests .., OK <6>[ 10.803504] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.15 <6>[ 10.812769] IP-Config: Complete: <6>[ 10.816695] device=eth0, hwaddr=00:e0:4c:68:04:98, ipaddr=192.168.201.15, mask=255.255.255.0, gw=192.168.201.1 <6>[ 10.828668] host=asus-c433ta-aj0005-rammus-cbg-4, domain=lava-rack, nis-domain=(none) <6>[ 10.838204] bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath= <6>[ 10.838206] nameserver0=192.168.201.1 <5>[ 10.851574] cfg80211: Loading compiled-in X.509 certificates for regulatory database <6>[ 10.863254] modprobe (102) used greatest stack depth: 14208 bytes left <5>[ 10.866172] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' <6>[ 10.870875] modprobe (103) used greatest stack depth: 13736 bytes left <5>[ 10.886211] cfg80211: Loaded X.509 cert 'wens: 61c038651aabdcf94bd0ac7ff06c7248db18c600' <6>[ 10.895787] ALSA device list: <4>[ 10.895855] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 <6>[ 10.899410] No soundcards found. <6>[ 10.909374] cfg80211: failed to load regulatory.db <4>[ 10.919623] dw-apb-uart dw-apb-uart.2: forbid DMA for kernel console <6>[ 10.929644] Freeing unused kernel image (initmem) memory: 2164K <6>[ 10.946964] Write protecting the kernel read-only data: 38912k <6>[ 10.954650] Freeing unused kernel image (text/rodata gap) memory: 2028K <6>[ 10.962653] Freeing unused kernel image (rodata/data gap) memory: 720K <6>[ 10.970310] Run /init as init process Loading, please wait... Starting version 247.3-7+deb11u4 <6>[ 11.034408] udevadm (127) used greatest stack depth: 13592 bytes left <6>[ 11.155883] chromeos ramoops using acpi device. <6>[ 11.157911] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 11.179414] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <4>[ 11.190240] cros-usbpd-notify-acpi GOOG0003:00: Couldn't get Chrome EC device pointer. <6>[ 11.190307] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <4>[ 11.208674] i2c_hid i2c-PNP0C50:00: supply vdd not found, using dummy regulator <6>[ 11.209510] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <4>[ 11.217547] i2c_hid i2c-PNP0C50:00: supply vddl not found, using dummy regulator <6>[ 11.237359] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 11.269657] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 11.274063] Registered efivars operations <6>[ 11.282992] gsmi version 1.0 loaded <6>[ 11.409343] 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 <6>[ 11.427985] hid-generic 0018:0457:157E.0001: input,hidraw0: I2C HID v1.00 Device [PNP0C50:00 0457:157E] on i2c-PNP0C50:00 <6>[ 11.441040] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 11.454639] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 11.472495] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 11.491507] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 11.492272] uvcvideo: Found UVC 1.00 device USB2.0 HD UVC WebCam (13d3:56d4) <6>[ 11.503566] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 11.525549] 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 <4>[ 11.530482] da7219 i2c-DLGS7219:00: Using default DAI clk names: da7219-dai-wclk, da7219-dai-bclk <6>[ 11.538310] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 11.538972] usbcore: registered new interface driver uvcvideo <6>[ 11.538975] USB Video Class driver (1.1.1) <6>[ 11.569558] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 11.579892] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 11.589832] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 11.599607] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 11.616511] udevadm (153) 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:68:04:98 mtu 1500 DHCP IP-Config: eth0 complete (dhcp from 192.168.201.1): address: 192.168.201.15 broadcast: 192.168.201.255 netmask: 255.255.255.0 gateway: 192.168.201.1 dns0 : 192.168.201.1 dns1 : 0.0.0.0 host : asus-c433ta-aj0005-rammus-cbg-4 domain : lava-rack rootserver: 192.168.201.1 rootpath: filename : <6>[ 11.748834] nfsmount (174) used greatest stack depth: 12528 bytes left done. Begin: Running /scripts/nfs-bottom ... done. Begin: Running /scripts/init-bottom ... done. SELinux: Could not open policy file <= /etc/selinux/targeted/policy/policy.33: No such file or directory <30>[ 12.984431] systemd[1]: systemd 247.3-7+deb11u4 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) <30>[ 13.022933] systemd[1]: Detected architecture x86-64. Welcome to Debian GNU/Linux 11 (bullseye)! <30>[ 13.052013] systemd[1]: Set hostname to . <30>[ 13.465068] systemd[1]: Queued start job for default target Graphical Interface. <30>[ 13.475229] systemd[1]: Created slice system-getty.slice. [ OK ] Created slice system-getty.slice. <30>[ 13.491273] systemd[1]: Created slice system-modprobe.slice. [ OK ] Created slice system-modprobe.slice. <30>[ 13.507260] systemd[1]: Created slice system-serial\x2dgetty.slice. [ OK ] Created slice system-serial\x2dgetty.slice. <30>[ 13.524267] systemd[1]: Created slice User and Session Slice. [ OK ] Created slice User and Session Slice. <30>[ 13.541162] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [ OK ] Started Dispatch Password …ts to Console Directory Watch. <30>[ 13.563079] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [ OK ] Started Forward Password R…uests to Wall Directory Watch. <30>[ 13.584939] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point. [ OK ] Set up automount Arbitrary…s File System Automount Point. <30>[ 13.607956] systemd[1]: Reached target Local Encrypted Volumes. [ OK ] Reached target Local Encrypted Volumes. <30>[ 13.625204] systemd[1]: Reached target Paths. [ OK ] Reached target Paths. <30>[ 13.637123] systemd[1]: Reached target Remote File Systems. [ OK ] Reached target Remote File Systems. <30>[ 13.654143] systemd[1]: Reached target Slices. [ OK ] Reached target Slices. <30>[ 13.666073] systemd[1]: Reached target Swap. [ OK ] Reached target Swap. <30>[ 13.678941] systemd[1]: Listening on initctl Compatibility Named Pipe. [ OK ] Listening on initctl Compatibility Named Pipe. <30>[ 13.698196] systemd[1]: Listening on Journal Audit Socket. [ OK ] Listening on Journal Audit Socket. <30>[ 13.717190] systemd[1]: Listening on Journal Socket (/dev/log). [ OK ] Listening on Journal Socket (/dev/log). <30>[ 13.735615] systemd[1]: Listening on Journal Socket. [ OK ] Listening on Journal Socket. <30>[ 13.753301] systemd[1]: Listening on Network Service Netlink Socket. [ OK ] Listening on Network Service Netlink Socket. <30>[ 13.774942] systemd[1]: Listening on udev Control Socket. [ OK ] Listening on udev Control Socket. <30>[ 13.792295] systemd[1]: Listening on udev Kernel Socket. [ OK ] Listening on udev Kernel Socket. <30>[ 13.813792] systemd[1]: Mounting Huge Pages File System... Mounting Huge Pages File System... <30>[ 13.831446] systemd[1]: Mounting POSIX Message Queue File System... Mounting POSIX Message Queue File System... <30>[ 13.849245] systemd[1]: Mounting Kernel Debug File System... Mounting Kernel Debug File System... <30>[ 13.866344] systemd[1]: Mounting Kernel Trace File System... Mounting Kernel Trace File System... <30>[ 13.886241] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting Create list of st…odes for the current kernel... <30>[ 13.906139] systemd[1]: Starting Load Kernel Module configfs... Starting Load Kernel Module configfs... <30>[ 13.922138] systemd[1]: Starting Load Kernel Module drm... Starting Load Kernel Module drm... <30>[ 13.938377] systemd[1]: Starting Load Kernel Module fuse... Starting Load Kernel Module fuse... <30>[ 13.975002] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. <6>[ 13.985805] fuse: init (API version 7.32) <30>[ 13.991959] systemd[1]: Starting Journal Service... Starting Journal Service... <30>[ 14.007860] systemd[1]: Starting Load Kernel Modules... Starting Load Kernel Modules... <30>[ 14.021073] systemd[1]: Starting Remount Root and Kernel File Systems... Starting Remount Root and Kernel File Systems... <30>[ 14.039276] systemd[1]: Starting Coldplug All udev Devices... Starting Coldplug All udev Devices... <30>[ 14.059740] systemd[1]: Mounted Huge Pages File System. [ OK ] Mounted Huge Pages File System. <30>[ 14.076144] systemd[1]: Mounted POSIX Message Queue File System. [ OK ] Mounted POSIX Message Queue File System. <30>[ 14.093929] systemd[1]: Mounted Kernel Debug File System. [ OK ] Mounted Kernel Debug File System. <30>[ 14.109934] systemd[1]: Mounted Kernel Trace File System. [ OK ] Mounted Kernel Trace File System. <30>[ 14.125885] systemd[1]: Finished Create list of static device nodes for the current kernel. [ OK ] Finished Create list of st… nodes for the current kernel. <30>[ 14.148551] systemd[1]: modprobe@configfs.service: Succeeded. <30>[ 14.156066] systemd[1]: Finished Load Kernel Module configfs. [ OK ] Finished Load Kernel Module configfs. <30>[ 14.172604] systemd[1]: modprobe@drm.service: Succeeded. <30>[ 14.179657] systemd[1]: Finished Load Kernel Module drm. [ OK ] Finished Load Kernel Module drm. <30>[ 14.195586] systemd[1]: modprobe@fuse.service: Succeeded. <30>[ 14.202687] systemd[1]: Finished Load Kernel Module fuse. [ OK ] Finished Load Kernel Module fuse. <30>[ 14.218501] systemd[1]: Finished Load Kernel Modules. [ OK ] Finished Load Kernel Modules. <30>[ 14.233943] systemd[1]: Started Journal Service. [ OK ] Started Journal Service. [ OK ] Finished Remount Root and Kernel File Systems. Mounting FUSE Control File System... Mounting Kernel Configuration File System... Starting Flush Journal to Persistent Storage... Starting Load/Save Random Seed... Starting Apply Kernel Variables... <46>[ 14.314033] systemd-journald[211]: Received client request to flush runtime journal. Starting Create System Users... [ OK ] Mounted FUSE Control File System. [ OK ] Mounted Kernel Configuration File System. [ OK ] Finished Load/Save Random Seed. [ OK ] Finished Apply Kernel Variables. [ OK ] Finished Coldplug All udev Devices. [ OK ] Finished Create System Users. Starting Create Static Device Nodes in /dev... [ OK ] Finished Flush Journal to Persistent Storage. <6>[ 15.849273] systemd-tmpfile (223) used greatest stack depth: 12368 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 ] Created slice system-systemd\x2dbacklight.slice. Starting Load/Save Screen …f backlight:intel_backlight... Starting Load/Save Screen …eds:chromeos::kbd_backlight... [ OK ] Finished Update UTMP about System Boot/Shutdown. [ OK ] Listening on Load/Save RF …itch Status /dev/rfkill Watch. [ OK ] Finished Load/Save Screen … of backlight:intel_backlight. [ OK ] Finished Load/Save Screen … leds:chromeos::kbd_backlight. [ OK ] Started Network Service. Starting Network Name Resolution... [ OK ] Started Network Time Synchronization. [ OK ] Reached target System Initialization. [ OK ] Started Daily Cleanup of Temporary Directories. [ OK ] Reached target System Time Set. [ OK ] Reached target System Time Synchronized. [ OK ] Started Daily apt download activities. [ OK ] Started Daily apt upgrade and clean activities. [ OK ] Started Periodic ext4 Onli…ata Check for All Filesystems. [ OK ] Started Discard unused blocks once a week. [ OK ] Reached target Timers. [ OK ] Listening on D-Bus System Message Bus Socket. [ OK ] Reached target Sockets. [ OK ] Reached target Basic System. [ OK ] Started D-Bus System Message Bus. Starting Remove Stale Onli…t4 Metadata Check Snapshots... Starting User Login Management... [ OK ] Finished Remove Stale Onli…ext4 Metadata Check Snapshots. [ OK ] Started 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 5.10.209-cip44 #1 SMP Thu Feb 29 08:18:41 UTC 2024 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/12894264/extract-nfsrootfs-31ny4kj9' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/12894264/extract-nfsrootfs-31ny4kj9' / # 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-12894264/environment . /lava-12894264/environment / # /lava-12894264/bin/lava-test-runner /lava-12894264/0 /lava-12894264/bin/lava-test-runner /lava-12894264/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-12894264/0/tests/0_timesync-off ++ cat uuid + UUID=12894264_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-12894264/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=12894264_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/v5.10.209-cip44-56-g55117716ac0fd/x86_64/x86_64_defconfig+x86-board+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 --2024-02-29 08:36:52-- http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.209-cip44-56-g55117716ac0fd/x86_64/x86_64_defconfig+x86-board+kselftest/gcc-10/kselftest.tar.xz Resolving storage.kernelci.org (storage.kernelci.org)... 20.171.243.82 Connecting to storage.kernelci.org (storage.kernelci.org)|20.171.243.82|:80... connected. HTTP request sent, awaiting response... 200 OK Length: 3552592 (3.4M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 1%[ ] 47.81K 180KB/s kselftest.tar.xz 6%[> ] 217.50K 409KB/s kselftest.tar.xz 25%[====> ] 873.62K 940KB/s kselftest.tar.xz 59%[==========> ] 2.01M 1.67MB/s kselftest.tar.xz 97%[==================> ] 3.29M 2.25MB/s kselftest.tar.xz 100%[===================>] 3.39M 2.29MB/s in 1.5s 2024-02-29 08:36:55 (2.29 MB/s) - 'kselftest.tar.xz' saved [3552592/3552592] 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 =============== shardfile-lkdtm pass <12>[ 32.156899] 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 <6>[ 32.660579] lkdtm: Performing direct entry BUG <4>[ 32.666103] ------------[ cut here ]------------ <2>[ 32.671604] kernel BUG at drivers/misc/lkdtm/bugs.c:76! <4>[ 32.677782] invalid opcode: 0000 [#1] SMP PTI <4>[ 32.682953] CPU: 1 PID: 641 Comm: cat Tainted: G W 5.10.209-cip44 #1 <4>[ 32.691805] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 32.698906] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 32.703581] Code: 89 ff e8 5e d2 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 d0 9a 2a 03 <4>[ 32.724852] RSP: 0018:ffff9461c1327e60 EFLAGS: 00010282 <4>[ 32.730975] RAX: ffffffff9d97c220 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 32.739235] RDX: 0000000000000000 RSI: ffff88ff3ac9bf50 RDI: ffffffff9ed94030 <4>[ 32.747494] RBP: ffffffff9f27e9e8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 32.755752] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 32.764012] R13: ffff9461c1327f10 R14: ffff9461c1327f10 R15: ffff88fec3073000 <4>[ 32.772271] FS: 00007f3c32b00580(0000) GS:ffff88ff3ac80000(0000) knlGS:0000000000000000 <4>[ 32.781600] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 32.788299] CR2: 00007f3c3290a000 CR3: 00000001065b2002 CR4: 00000000003706e0 <4>[ 32.796557] Call Trace: <4>[ 32.799577] ? __die_body.cold+0x1a/0x1f <4>[ 32.804248] ? die+0x2b/0x50 <4>[ 32.807751] ? do_trap+0x91/0x110 <4>[ 32.811739] ? lkdtm_BUG+0x5/0x10 <4>[ 32.815728] ? do_error_trap+0x90/0x110 <4>[ 32.820296] ? lkdtm_BUG+0x5/0x10 <4>[ 32.824283] ? lkdtm_BUG+0x5/0x10 <4>[ 32.828273] ? exc_invalid_op+0x4e/0x70 <4>[ 32.832842] ? lkdtm_BUG+0x5/0x10 <4>[ 32.836830] ? asm_exc_invalid_op+0x12/0x20 <4>[ 32.841792] ? direct_entry+0xe0/0xe0 <4>[ 32.846167] ? lkdtm_BUG+0x5/0x10 <4>[ 32.850156] direct_entry.cold+0x2c/0x38 <4>[ 32.854817] full_proxy_write+0x53/0x80 <4>[ 32.859388] vfs_write+0xe7/0x3b0 <4>[ 32.863377] ksys_write+0x68/0xf0 <4>[ 32.867367] do_syscall_64+0x30/0x40 <4>[ 32.871637] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 32.877590] RIP: 0033:0x7f3c32a16473 <4>[ 32.881869] 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 <4>[ 32.903143] RSP: 002b:00007ffc8290d6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 32.911888] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f3c32a16473 <4>[ 32.920148] RDX: 0000000000000004 RSI: 00007f3c3290a000 RDI: 0000000000000001 <4>[ 32.928408] RBP: 00007f3c3290a000 R08: 00007f3c32909010 R09: 0000000000000000 <4>[ 32.936669] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 32.944920] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 32.953180] 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_sysfs uvcvideo cros_usbpd_logger cros_ec_chardev videobuf2_vmalloc cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common cros_usbpd_notify snd_pcm_dmaengine regmap_i2c i2c_hid cros_kbd_led_backlight chromeos_pstore coreboot_table <0>[ 33.007860] gsmi: Log Shutdown Reason 0x03 <4>[ 33.012753] ---[ end trace 10c52649da3a303d ]--- <4>[ 33.018211] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 33.022892] Code: 89 ff e8 5e d2 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 d0 9a 2a 03 <4>[ 33.044165] RSP: 0018:ffff9461c1327e60 EFLAGS: 00010282 <4>[ 33.050301] RAX: ffffffff9d97c220 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 33.058572] RDX: 0000000000000000 RSI: ffff88ff3ac9bf50 RDI: ffffffff9ed94030 <4>[ 33.066865] RBP: ffffffff9f27e9e8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 33.075128] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 33.083394] R13: ffff9461c1327f10 R14: ffff9461c1327f10 R15: ffff88fec3073000 <4>[ 33.091691] FS: 00007f3c32b00580(0000) GS:ffff88ff3ac80000(0000) knlGS:0000000000000000 <4>[ 33.101050] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 33.107783] CR2: 00007f3c3290a000 CR3: 00000001065b2002 CR4: 00000000003706e0 # Segmentation fault # [ 32.660579] lkdtm: Performing direct entry BUG # [ 32.666103] ------------[ cut here ]------------ # [ 32.671604] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 32.677782] invalid opcode: 0000 [#1] SMP PTI # [ 32.682953] CPU: 1 PID: 641 Comm: cat Tainted: G W 5.10.209-cip44 #1 # [ 32.691805] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 32.698906] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 32.703581] Code: 89 ff e8 5e d2 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 d0 9a 2a 03 # [ 32.724852] RSP: 0018:ffff9461c1327e60 EFLAGS: 00010282 # [ 32.730975] RAX: ffffffff9d97c220 RBX: 0000000000000001 RCX: 0000000000000000 # [ 32.739235] RDX: 000000000000<6>[ 33.206530] lkdtm: Performing direct entry WARNING 0000 RSI: ffff88ff3ac9bf50 RDI: ffffffff9ed94030 # [ 32.74749<4>[ 33.217207] ------------[ cut here ]------------ 4] RBP: ffffffff9f27e9e8 R08: 0000000000000001 R09: 000000000000<4>[ 33.228862] WARNING: CPU: 1 PID: 679 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 0001 # [ 32.755752] R10: 00000000ffffe000 R11: 3fffffffffffff<4>[ 33.244767] 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_sysfs uvcvideo cros_usbpd_logger cros_ec_chardev videobuf2_vmalloc cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common cros_usbpd_notify snd_pcm_dmaengine regmap_i2c i2c_hid cros_kbd_led_backlight chromeos_pstore coreboot_table ff R12: 0000000000000004 # [ 32.764012] R13: ffff9461c1327f10<4>[ 33.303719] CPU: 1 PID: 679 Comm: cat Tainted: G D W 5.10.209-cip44 #1 R14: ffff9461c1327f10 R15: ffff88fec3073000 # [ 32.772271] F<4>[ 33.318797] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 S: 00007f3c32b00580(0000) GS:ffff88ff3ac80000(0000) knlGS:00000<4>[ 33.332108] RIP: 0010:lkdtm_WARNING+0x13/0x20 <4>[ 33.343476] 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 d0 9a 2a 03 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 b1 9a 00000000000 # [ 32.781600] CS: 0010 DS: 0000 ES: 0000 CR0: 0<4>[ 33.364758] RSP: 0018:ffff9461c13b7e60 EFLAGS: 00010202 000000080050033 # [ 32.788299] CR2: 00007f3c3290a000 CR3: 000<4>[ 33.377087] RAX: ffffffff9d97c230 RBX: 0000000000000002 RCX: 0000000000000000 <4>[ 33.391562] RDX: 0000000000000000 RSI: ffff88ff3ac9bf50 RDI: ffffffff9ed94040 00001065b2002 CR4: 00000000003706e0 # [ 32.796557] Call Trace<4>[ 33.399827] RBP: ffffffff9f21a117 R08: 0000000000000000 R09: 0000000000000000 <4>[ 33.414298] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 <4>[ 33.422561] R13: ffff9461c13b7f10 R14: ffff9461c13b7f10 R15: ffff88fec65df000 : # [ 32.799577] ? __die_body.cold+0x1a/0x1f # [ 32.80424<4>[ 33.430824] FS: 00007f728a632580(0000) GS:ffff88ff3ac80000(0000) knlGS:0000000000000000 <4>[ 33.446361] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 8] ? die+0x2b/0x50 # [ 32.807751] ? do_trap+0x91/0x110 # [<4>[ 33.453069] CR2: 00007f728a43c000 CR3: 0000000103194006 CR4: 00000000003706e0 <4>[ 33.467541] Call Trace: 32.811739] ? lkdtm_BUG+0x5/0x10 # [ 32.815728] ? do_erro<4>[ 33.470565] ? __warn+0x80/0x110 r_trap+0x90/0x110 # [ 32.820296] ? lkdtm_BUG+0x5/0x10 # [ <4>[ 33.480674] ? lkdtm_WARNING+0x13/0x20 32.824283] ? lkdtm_BUG+0x5/0x10 # [ 32.828273] ? exc_inval<4>[ 33.491364] ? report_bug+0x9e/0xc0 id_op+0x4e/0x70 # [ 32.832842] ? lkdtm_BUG+0x5/0x10 # [ 3<4>[ 33.501764] ? handle_bug+0x41/0x90 <4>[ 33.512160] ? exc_invalid_op+0x14/0x70 2.836830] ? asm_exc_invalid_op+0x12/0x20 # [ 32.841792] ? d<4>[ 33.516736] ? asm_exc_invalid_op+0x12/0x20 irect_entry+0xe0/0xe0 # [ 32.846167] ? lkdtm_BUG+0x5/0x10 #<4>[ 33.527904] ? lkdtm_BUG+0x10/0x10 <4>[ 33.538207] ? lkdtm_WARNING+0x13/0x20 [ 32.850156] direct_entry.cold+0x2c/0x38 # [ 32.854817] <4>[ 33.542688] direct_entry.cold+0x2c/0x38 full_proxy_write+0x53/0x80 # [ 32.859388] vfs_write+0xe7/0x3<4>[ 33.553568] full_proxy_write+0x53/0x80 b0 # [ 32.863377] ksys_write+0x68/0xf0 # [ 32.867367] do<4>[ 33.564354] vfs_write+0xe7/0x3b0 <4>[ 33.574559] ksys_write+0x68/0xf0 _syscall_64+0x30/0x40 # [ 32.871637] entry_SYSCALL_64_after_<4>[ 33.578550] do_syscall_64+0x30/0x40 hwframe+0x62/0xc7 # [ 32.877590] RIP: 0033:0x7f3c32a16473 # <4>[ 33.589041] entry_SYSCALL_64_after_hwframe+0x62/0xc7 [ 32.881869] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 f<4>[ 33.601187] RIP: 0033:0x7f728a548473 f ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8<4>[ 33.611681] 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 <4>[ 33.639170] RSP: 002b:00007ffda65a0858 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 8<4>[ 33.647917] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f728a548473 <4>[ 33.662397] RDX: 0000000000000008 RSI: 00007f728a43c000 RDI: 0000000000000001 <4>[ 33.670674] RBP: 00007f728a43c000 R08: 00007f728a43b010 R09: 0000000000000000 3 ec 28 48 89 54 24 18 # [ 32.903143] RSP: 002b:00007ffc8290d<4>[ 33.678936] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 33.693408] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 32.911888<4>[ 33.701684] irq event stamp: 0 <4>[ 33.711593] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f3c32a16<4>[ 33.718885] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 33.734518] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 473 # [ 32.920148] RDX: 0000000000000004 RSI: 00007f3c3290a00<4>[ 33.743946] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 33.757446] ---[ end trace 10c52649da3a303e ]--- 0 RDI: 0000000000000001 # [ 32.928408] RBP: 00007f3c3290a000 R08: 00007f3c32909010 R09: 0000000000000000 # [ 32.936669] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 32.944920] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 32.953180] 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_sysfs uvcvideo cros_usbpd_logger cros_ec_chardev videobuf2_vmalloc cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common cros_usbpd_notify snd_pcm_dmaengine regmap_i2c i2c_hid cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 33.007860] gsmi: Log Shutdown Reason 0x03 # [ 33.012753] ---[ end trace 10c52649da3a303d ]--- # [ 33.018211] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 33.022892] Code: 89 ff e8 5e d2 79 ff 48 c7 c0 e<6>[ 33.856682] lkdtm: Performing direct entry WARNING_MESSAGE <4>[ 33.868952] ------------[ cut here ]------------ <4>[ 33.874429] Warning message trigger count: 2 a ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4<4>[ 33.879524] WARNING: CPU: 3 PID: 716 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 0<4>[ 33.896208] 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_sysfs uvcvideo cros_usbpd_logger cros_ec_chardev videobuf2_vmalloc cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common cros_usbpd_notify snd_pcm_dmaengine regmap_i2c i2c_hid cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 33.955210] CPU: 3 PID: 716 Comm: cat Tainted: G D W 5.10.209-cip44 #1 0 0f 1f 44 00 00 83 05 d0 9a 2a 03 # [ 33.044165] RSP: 0018:f<4>[ 33.964071] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 33.977370] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 <4>[ 33.983304] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 b1 9a 2a 03 48 c7 c7 78 a6 21 9f 8d 70 01 89 35 a1 9a 2a 03 e8 7a f4 67 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 <4>[ 34.004578] RSP: 0018:ffff9461c143fe60 EFLAGS: 00010286 <4>[ 34.010720] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 <4>[ 34.019013] RDX: ffff88ff3adac620 RSI: ffff88ff3ad9bf50 RDI: ffff88ff3ad9bf50 <4>[ 34.027275] RBP: ffffffff9f21a11f R08: 0000000000000000 R09: 0000000000000000 <4>[ 34.035539] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 <4>[ 34.043801] R13: ffff9461c143ff10 R14: ffff9461c143ff10 R15: ffff88fec4ee3000 <4>[ 34.052064] FS: 00007f6f7df60580(0000) GS:ffff88ff3ad80000(0000) knlGS:0000000000000000 <4>[ 34.061393] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 34.068104] CR2: 00007f6f7dd6a000 CR3: 00000001064ce001 CR4: 00000000003706e0 <4>[ 34.076365] Call Trace: <4>[ 34.079390] ? __warn+0x80/0x110 <4>[ 34.083314] ? lkdtm_WARNING_MESSAGE+0x20/0x30 <4>[ 34.088571] ? report_bug+0x9e/0xc0 <4>[ 34.092786] ? handle_bug+0x41/0x90 <4>[ 34.096973] ? exc_invalid_op+0x14/0x70 <4>[ 34.101547] ? asm_exc_invalid_op+0x12/0x20 <4>[ 34.106514] ? lkdtm_WARNING_MESSAGE+0x20/0x30 <4>[ 34.111799] direct_entry.cold+0x2c/0x38 <4>[ 34.116499] full_proxy_write+0x53/0x80 <4>[ 34.121104] vfs_write+0xe7/0x3b0 <4>[ 34.125121] ksys_write+0x68/0xf0 <4>[ 34.129141] do_syscall_64+0x30/0x40 <4>[ 34.133424] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 34.139389] RIP: 0033:0x7f6f7de76473 <4>[ 34.143676] 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 fff9461c1327e60 EFLAGS: 00010282 # [ 33.050301] RAX: ffffffff<4>[ 34.164960] RSP: 002b:00007ffe1a54d718 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 9d97c220 RBX: 0000000000000001 RCX: 0000000000000000 # [ 33.0<4>[ 34.179919] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f6f7de76473 <4>[ 34.194399] RDX: 0000000000000010 RSI: 00007f6f7dd6a000 RDI: 0000000000000001 <4>[ 34.202664] RBP: 00007f6f7dd6a000 R08: 00007f6f7dd69010 R09: 0000000000000000 <4>[ 34.210927] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 34.219190] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 58572] RDX: 0000000000000000 RSI: ffff88ff3ac9bf50 RDI: ffffffff<4>[ 34.227463] irq event stamp: 0 <4>[ 34.237370] hardirqs last enabled at (0): [<0000000000000000>] 0x0 9ed94030 # [ 33.066865] RBP: ffffffff9f27e9e8 R08: 0000000000<4>[ 34.244668] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 000001 R09: 0000000000000001 # [ 33.075128] R10: 00000000ffff<4>[ 34.260304] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 e000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 33.08339<4>[ 34.275951] softirqs last disabled at (0): [<0000000000000000>] 0x0 4] R13: ffff9461c1327f10 R14: ffff9461c1327f10 R15: ffff88fec307<4>[ 34.289458] ---[ end trace 10c52649da3a303f ]--- 3000 # [ 33.091691] FS: 00007f3c32b00580(0000) GS:ffff88ff3ac80000(0000) knlGS:0000000000000000 # [ 33.101050] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 33.107783] CR2: 00007f3c3290a000 CR3: 00000001065b2002 CR4: 00000000003706e0 # BUG: saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh # [ 33.206530] lkdtm: Performing direct entry WARNING # [ 33.217207] ------------[ cut here ]------------ # [ 33.228862] WARNING: CPU: 1 PID: 679 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 # [ 33.244767] 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_sysfs uvcvideo cros_usbpd_logger cros_ec_chardev videobuf2_vmalloc cros_ec_<6>[ 34.380004] lkdtm: Performing direct entry EXCEPTION <1>[ 34.387768] BUG: kernel NULL pointer dereference, address: 0000000000000000 <1>[ 34.395841] #PF: supervisor write access in kernel mode <1>[ 34.401956] #PF: error_code(0x0002) - not-present page <6>[ 34.407982] PGD 0 P4D 0 <4>[ 34.411097] Oops: 0002 [#2] SMP PTI <4>[ 34.415278] CPU: 2 PID: 749 Comm: cat Tainted: G D W 5.10.209-cip44 #1 <4>[ 34.424119] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 34.431216] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 <4>[ 34.436467] Code: 48 c7 c7 78 a6 21 9f 8d 70 01 89 35 a1 9a 2a 03 e8 7a f4 67 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 <4>[ 34.457728] RSP: 0018:ffff9461c14dfe60 EFLAGS: 00010282 <4>[ 34.463851] RAX: ffffffff9d97c280 RBX: 0000000000000004 RCX: 0000000000000000 <4>[ 34.472111] RDX: 0000000000000000 RSI: ffff88ff3ad1bf50 RDI: ffffffff9ed94060 <4>[ 34.480371] RBP: ffffffff9f10dbcf R08: 0000000000000000 R09: 0000000000000000 <4>[ 34.488628] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a <4>[ 34.496887] R13: ffff9461c14dff10 R14: ffff9461c14dff10 R15: ffff88fec331f000 <4>[ 34.505147] FS: 00007f55723cb580(0000) GS:ffff88ff3ad00000(0000) knlGS:0000000000000000 <4>[ 34.514473] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 34.521176] CR2: 0000000000000000 CR3: 00000001065ee002 CR4: 00000000003706e0 <4>[ 34.529436] Call Trace: <4>[ 34.532456] ? __die_body.cold+0x1a/0x1f <4>[ 34.537126] ? no_context+0x177/0x380 <4>[ 34.541505] ? exc_page_fault+0x53/0x170 <4>[ 34.546173] ? asm_exc_page_fault+0x1e/0x30 <4>[ 34.551124] ? lkdtm_WARNING_MESSAGE+0x30/0x30 <4>[ 34.556374] ? lkdtm_EXCEPTION+0x5/0x20 <4>[ 34.560937] direct_entry.cold+0x2c/0x38 <4>[ 34.565607] full_proxy_write+0x53/0x80 <4>[ 34.570178] vfs_write+0xe7/0x3b0 <4>[ 34.574166] ksys_write+0x68/0xf0 <4>[ 34.578154] do_syscall_64+0x30/0x40 <4>[ 34.582433] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 34.588362] RIP: 0033:0x7f55722e1473 <4>[ 34.592640] 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 <4>[ 34.613933] RSP: 002b:00007ffcefd0d218 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 34.622677] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f55722e1473 <4>[ 34.630934] RDX: 000000000000000a RSI: 00007f55721d5000 RDI: 0000000000000001 <4>[ 34.639193] RBP: 00007f55721d5000 R08: 00007f55721d4010 R09: 0000000000000000 <4>[ 34.647451] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 34.655716] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 lightbar cros_usbpd_charger cros_ec_sensorhub videobuf2_memops s<4>[ 34.663978] 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_sysfs uvcvideo cros_usbpd_logger cros_ec_chardev videobuf2_vmalloc cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common cros_usbpd_notify snd_pcm_dmaengine regmap_i2c i2c_hid cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 34.722964] CR2: 0000000000000000 <4>[ 34.726952] ---[ end trace 10c52649da3a3040 ]--- <4>[ 34.732388] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 34.737055] Code: 89 ff e8 5e d2 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 d0 9a 2a 03 <4>[ 34.758325] RSP: 0018:ffff9461c1327e60 EFLAGS: 00010282 <4>[ 34.764439] RAX: ffffffff9d97c220 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 34.772698] RDX: 0000000000000000 RSI: ffff88ff3ac9bf50 RDI: ffffffff9ed94030 <4>[ 34.781001] RBP: ffffffff9f27e9e8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 34.789261] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 34.797518] R13: ffff9461c1327f10 R14: ffff9461c1327f10 R15: ffff88fec3073000 <4>[ 34.805779] FS: 00007f55723cb580(0000) GS:ffff88ff3ad00000(0000) knlGS:0000000000000000 <4>[ 34.815106] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 34.821811] CR2: 0000000000000000 CR3: 00000001065ee002 CR4: 00000000003706e0 <3>[ 34.830072] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 34.840273] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 749, name: cat <4>[ 34.848919] INFO: lockdep is turned off. <4>[ 34.853585] irq event stamp: 0 <4>[ 34.857281] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 34.864569] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 34.873984] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 34.883408] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 34.890717] CPU: 2 PID: 749 Comm: cat Tainted: G D W 5.10.209-cip44 #1 <4>[ 34.899559] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 34.906666] Call Trace: <4>[ 34.909685] dump_stack+0x77/0x9b <4>[ 34.913672] ___might_sleep.cold+0xa6/0xb6 nd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev<4>[ 34.918537] exit_signals+0x1c/0x300 <4>[ 34.929026] do_exit+0xc2/0xab0 <4>[ 34.932820] ? ksys_write+0x68/0xf0 <4>[ 34.937003] make_task_dead+0x2f/0x30 <4>[ 34.941370] rewind_stack_and_make_dead+0x17/0x20 <4>[ 34.946910] RIP: 0033:0x7f55722e1473 <4>[ 34.951189] 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 <4>[ 34.972459] RSP: 002b:00007ffcefd0d218 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 34.981204] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f55722e1473 <4>[ 34.989462] RDX: 000000000000000a RSI: 00007f55721d5000 RDI: 0000000000000001 <4>[ 34.997722] RBP: 00007f55721d5000 R08: 00007f55721d4010 R09: 0000000000000000 <4>[ 35.005981] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 35.014241] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 snd_compress videobuf2_common cros_usbpd_notify snd_pcm_dmaengine regmap_i2c i2c_hid cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 33.303719] CPU: 1 PID: 679 Comm: cat Tainted: G D W 5.10.209-cip44 #1 # [ 33.318797] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 33.332108] RIP: 0010:lkdtm_WARNING+0x13/0x20 # [ 33.343476] 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 d0 9a 2a 03 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 b1 9a # [ 33.364758] RSP: 0018:ffff9461c13b7e60 EFLAGS: 00010202 # [ 33.377087] RAX: ffffffff9d97c230 RBX: 0000000000000002 RCX: 0000000000000000 # [ 33.391562] RDX: 0000000000000000 RSI: ffff88ff3ac9bf50 RDI: ffffffff9ed94040 # [ 33.399827] RBP: ffffffff9f21a117 R08: 0000000000000000 R09: 0000000000000000 # [ 33.414298] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 # [ 33.422561] R13: ffff9461c13b7f10 R14: ffff9461c13b7f10 R15: ffff88fec65df000 # [ 33.430824] FS: 00007f728a632580(0000) GS:ffff88ff3ac80000(0000) knlGS:0000000000000000 # [ 33.446361] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 33.453069] CR2: 00007f728a43c000 CR3: 0000000103194006 CR4: 00000000003706e0 # [ 33.467541] Call Trace: # [ 33.470565] ? __warn+0x80/0x110 # [ 33.480674] ? lkdtm_WARNING+0x13/0x20 # [ 33.491364] ? report_bug+0x9e/0xc0 # [ 33.501764] ? handle_bug+0x41/0x90 # [ 33.512160] ? exc_invalid_op+0x14/0x70 # [ 33.516736] ? asm_exc_invalid_op+0x12/0x20 # [ 33.527904] ? lkdtm_BUG+0x10/0x10 # [ 33.538207] ? lkdtm_WARNING+0x13/0x20 # [ 33.542688] direct_entry.cold+0x2c/0x38 # [ 33.553568] full_proxy_write+0x53/0x80 # [ 33.564354] vfs_write+0xe7/0x3b0 # [ 33.574559] ksys_write+0x68/0xf0 # [ 33.578550] do_syscall_64+0x30/0x40 # [ 33.589041] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 33.601187] RIP: 0033:0x7f728a548473 # [ 33.611681] 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 # [ 33.639170] RSP: 002b:00007ffda65a0858 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 33.647917] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f728a548473 # [ 33.662397] RDX: 0000000000000008 RSI: 00007f728a43c000 RDI: 0000000000000001 # [ 33.670674] RBP: 00007f728a43c000 R08: 00007f728a43b010 R09: 0000000000000000 # [ 33.678936] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 33.693408] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 33.701684] irq event stamp: 0 # [ 33.711593] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 33.718885] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 33.734518] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 33.743946] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 33.757446] ---[ end trace 10c52649da3a303e ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ 33.856682] lkdtm: Performing direct entry WARNING_MESSAGE # [ 33.868952] ------------[ cut here ]------------ # [ 33.874429] Warning message trigger count: 2 # [ 33.879524] WA<6>[ 35.353407] lkdtm: Performing direct entry CORRUPT_LIST_ADD <6>[ 35.364811] lkdtm: attempting good list addition <6>[ 35.370300] lkdtm: attempting corrupted list addition <3>[ 35.376242] lkdtm: list_add() corruption not detected! RNING: CPU: 3 PID: 716 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 33.896208] 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_sysfs uvcvideo cros_usbpd_logger cros_ec_chardev videobuf2_vmalloc cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common cros_usbpd_notify snd_pcm_dmaengine regmap_i2c i2c_hid cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 33.955210] CPU: 3 PID: 716 Comm: cat Tainted: G D W 5.10.209-cip44 #1 # [ 33.964071] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 33.977370] RIP: 0010:lkdtm_WARNING<6>[ 35.459201] lkdtm: Performing direct entry CORRUPT_LIST_DEL _MESSAGE+0x20/0x30 # [ 33.983304] Code: cc cc cc cc 66 0f 1f <6>[ 35.469629] lkdtm: attempting good list removal 44 00 00 0f 1f 44 00 00 8b 05 b1 9a 2a 03 48 c7 c7 78 a6 21 9f 8<6>[ 35.481194] lkdtm: attempting corrupted list removal <3>[ 35.493241] lkdtm: list_del() corruption not detected! d 70 01 89 35 a1 9a 2a 03 e8 7a f4 67 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 # [ 34.004578] RSP: 0018:ffff9461c143fe60 EFLAGS: 00010286 # [ 34.010720] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 # [ 34.019013] RDX: ffff88ff3adac620 RSI: ffff88ff3ad9bf50 RDI: ffff88ff3ad9bf50 # [ 34.027275] RBP: ffffffff9f21a11f R08: 0000000000000000 R09: 0000000000000000 # [ 34.035539] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 # [ 34.043801] R13: ffff9461c143ff10 R14: ffff9461c143ff10 R15: ffff88fec4ee3000 # [ 34.052064] FS: 00007f6f7df60580(0000) GS:ffff88ff3ad80000(0000) knlGS:0000000000000000 # [ 34.061393] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 34.068104] CR2: 00007f6f7dd6a000 CR3: 00000001064ce001 CR4: 00000000003<6>[ 35.578607] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING 706e0 # [ 34.076365] Call Trace: # [ 34.079390] ? __warn+<6>[ 35.587367] lkdtm: attempting bad read from page below current stack 0x80/0x110 # [ 34.083314] ? lkdtm_WARNING_MESSAGE+0x20/0x30 <0>[ 35.600991] BUG: stack guard page was hit at 00000000e51a7b9a (stack is 0000000026d38987..00000000ee7a4522) <4>[ 35.618353] kernel stack overflow (page fault): 0000 [#3] SMP PTI <4>[ 35.625448] CPU: 1 PID: 981 Comm: cat Tainted: G D W 5.10.209-cip44 #1 <4>[ 35.634304] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 35.641406] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a # [ 34.088571] ? report_bug+0x9e/0xc0 # [ 34.092786] ? h<4>[ 35.648211] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 18 aa 21 9f 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 3e de fb ff 48 c7 c7 58 aa 21 9f <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 24 de fb ff 0f 1f 44 <4>[ 35.675706] RSP: 0018:ffff9461c185fe50 EFLAGS: 00010246 andle_bug+0x41/0x90 # [ 34.096973] ? exc_invalid_op+0x14/0x7<4>[ 35.681838] RAX: 0000000000000038 RBX: ffff9461c185c000 RCX: 0000000000000000 <4>[ 35.696312] RDX: 0000000000000000 RSI: ffff88ff3ac9bf50 RDI: ffffffff9f21aa58 <4>[ 35.704571] RBP: ffffffff9f21a182 R08: 0000000000000000 R09: 0000000000000000 <4>[ 35.712832] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 <4>[ 35.721092] R13: ffff9461c185ff10 R14: ffff9461c185ff10 R15: ffff88fec65b8000 <4>[ 35.729351] FS: 00007ff9de17f580(0000) GS:ffff88ff3ac80000(0000) knlGS:0000000000000000 <4>[ 35.738678] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 35.745385] CR2: ffff9461c185bfff CR3: 0000000103090006 CR4: 00000000003706e0 <4>[ 35.753667] Call Trace: <4>[ 35.756683] <#DF> <4>[ 35.759218] ? __die_body.cold+0x1a/0x1f 0 # [ 34.101547] ? asm_exc_invalid_op+0x12/0x20 # [ 34.10<4>[ 35.763887] ? die+0x2b/0x50 <4>[ 35.773601] ? handle_stack_overflow+0x3e/0x4d <4>[ 35.778852] ? no_context+0x24d/0x380 <4>[ 35.783216] 6514] ? lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 34.111799] dire<4>[ 35.785843] 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_sysfs uvcvideo cros_usbpd_logger cros_ec_chardev videobuf2_vmalloc cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common cros_usbpd_notify snd_pcm_dmaengine regmap_i2c i2c_hid cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 35.844798] ---[ end trace 10c52649da3a3041 ]--- ct_entry.cold+0x2c/0x38 # [ 34.116499] full_proxy_write+0x53<4>[ 35.850245] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 35.861123] Code: 89 ff e8 5e d2 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 d0 9a 2a 03 <4>[ 35.882394] RSP: 0018:ffff9461c1327e60 EFLAGS: 00010282 <4>[ 35.888519] RAX: ffffffff9d97c220 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 35.896778] RDX: 0000000000000000 RSI: ffff88ff3ac9bf50 RDI: ffffffff9ed94030 <4>[ 35.905037] RBP: ffffffff9f27e9e8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 35.913298] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 35.921556] R13: ffff9461c1327f10 R14: ffff9461c1327f10 R15: ffff88fec3073000 <4>[ 35.929817] FS: 00007ff9de17f580(0000) GS:ffff88ff3ac80000(0000) knlGS:0000000000000000 <4>[ 35.939144] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 35.945850] CR2: ffff9461c185bfff CR3: 0000000103090006 CR4: 00000000003706e0 <3>[ 35.954112] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 35.964306] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 981, name: cat <4>[ 35.972945] INFO: lockdep is turned off. <4>[ 35.977611] irq event stamp: 0 <4>[ 35.981309] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 35.988599] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 35.998025] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 36.007450] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 36.014740] CPU: 1 PID: 981 Comm: cat Tainted: G D W 5.10.209-cip44 #1 <4>[ 36.023573] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 36.030667] Call Trace: <4>[ 36.033687] dump_stack+0x77/0x9b /0x80 # [ 34.121104] vfs_write+0xe7/0x3b0 # [ 34.125121] <4>[ 36.037677] ___might_sleep.cold+0xa6/0xb6 <4>[ 36.048751] exit_signals+0x1c/0x300 <4>[ 36.053032] do_exit+0xc2/0xab0 <4>[ 36.056819] ? ksys_write+0x68/0xf0 ksys_write+0x68/0xf0 # [ 34.129141] do_syscall_64+0x30/0x40<4>[ 36.061004] make_task_dead+0x2f/0x30 <4>[ 36.071591] rewind_stack_and_make_dead+0x17/0x20 <4>[ 36.077132] RIP: 0033:0x7ff9de095473 <4>[ 36.081409] 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 <4>[ 36.102681] RSP: 002b:00007ffc374a1268 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 36.111418] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007ff9de095473 <4>[ 36.119678] RDX: 0000000000000019 RSI: 00007ff9ddf89000 RDI: 0000000000000001 <4>[ 36.127937] RBP: 00007ff9ddf89000 R08: 00007ff9ddf88010 R09: 0000000000000000 <4>[ 36.136197] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 36.144458] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 34.133424] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 34.139389] RIP: 0033:0x7f6f7de76473 # [ 34.143676] 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 # [ 34.164960] RSP: 002b:00007ffe1a54d718 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 34.179919] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f6f7de76473 # [ 34.194399] RDX: 0000000000000010 RSI: 00007f6f7dd6a000 RDI: 0000000000000001 # [ 34.202664] RBP: 00007f6f7dd6a000 R08: 00007f6f7dd69010 R09: 0000000000000000 # [ 34.210927] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 34.219190] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 34.227463] irq event stamp: 0 # [ 34.237370] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 34.244668] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 34.260304] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 34.275951] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 34.289458] ---[ end trace 10c52649da3a303f ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCEPTION.sh # Killed # [ 34.38<6>[ 36.288477] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING <6>[ 36.296847] lkdtm: attempting bad read from page above current stack <0>[ 36.304291] BUG: stack guard page was hit at 000000003ab212e9 (stack is 00000000351228b9..00000000fe595b8a) 0004] lkdtm: Performing direct entry EXCEPTION # [ 34.387768]<4>[ 36.315477] kernel stack overflow (page fault): 0000 [#4] SMP PTI <4>[ 36.328782] CPU: 2 PID: 1015 Comm: cat Tainted: G D W 5.10.209-cip44 #1 <4>[ 36.337727] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 36.344825] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d <4>[ 36.351726] Code: de fb ff 0f 1f 44 00 00 53 48 c7 c7 90 aa 21 9f 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 04 de fb ff 48 c7 c7 d0 aa 21 9f <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 e7 dd fb ff <4>[ 36.372989] RSP: 0018:ffff9461c192fe50 EFLAGS: 00010246 <4>[ 36.379114] RAX: 0000000000000038 RBX: ffff9461c192c000 RCX: 0000000000000000 <4>[ 36.387366] RDX: 0000000000000000 RSI: ffff88ff3ad1bf50 RDI: ffffffff9f21aad0 <4>[ 36.395626] RBP: ffffffff9f21a19b R08: 0000000000000000 R09: 0000000000000000 <4>[ 36.403885] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a <4>[ 36.412144] R13: ffff9461c192ff10 R14: ffff9461c192ff10 R15: ffff88fec65d0000 <4>[ 36.420404] FS: 00007f0360047580(0000) GS:ffff88ff3ad00000(0000) knlGS:0000000000000000 <4>[ 36.429732] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 36.436439] CR2: ffff9461c1930000 CR3: 0000000102a26002 CR4: 00000000003706e0 <4>[ 36.444697] Call Trace: <4>[ 36.447723] <#DF> <4>[ 36.450256] ? __die_body.cold+0x1a/0x1f <4>[ 36.454925] ? die+0x2b/0x50 <4>[ 36.458427] ? handle_stack_overflow+0x3e/0x4d <4>[ 36.463680] ? no_context+0x24d/0x380 BUG: kernel NULL pointer dereference, address: 0000000000000000<4>[ 36.468058] # [ 34.395841] #PF: supervisor write access in kernel mode <4>[ 36.476896] 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_sysfs uvcvideo cros_usbpd_logger cros_ec_chardev videobuf2_vmalloc cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common cros_usbpd_notify snd_pcm_dmaengine regmap_i2c i2c_hid cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 36.535887] ---[ end trace 10c52649da3a3042 ]--- <4>[ 36.541333] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 36.546000] Code: 89 ff e8 5e d2 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 d0 9a 2a 03 <4>[ 36.567266] RSP: 0018:ffff9461c1327e60 EFLAGS: 00010282 <4>[ 36.573380] RAX: ffffffff9d97c220 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 36.581659] RDX: 0000000000000000 RSI: ffff88ff3ac9bf50 RDI: ffffffff9ed94030 # [ 34.401956] #PF: error_code(0x0002) - not-present page # [<4>[ 36.589928] RBP: ffffffff9f27e9e8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 36.604400] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 36.612667] R13: ffff9461c1327f10 R14: ffff9461c1327f10 R15: ffff88fec3073000 <4>[ 36.620928] FS: 00007f0360047580(0000) GS:ffff88ff3ad00000(0000) knlGS:0000000000000000 <4>[ 36.630247] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 36.636953] CR2: ffff9461c1930000 CR3: 0000000102a26002 CR4: 00000000003706e0 34.407982] PGD 0 P4D 0 # [ 34.411097] Oops: 0002 [#2] SMP PTI # [ 34.415278] CPU: 2 PID: 749 Comm: cat Tainted: G D W 5.10.209-cip44 #1 # [ 34.424119] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 34.431216] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 # [ 34.436467] Code: 48 c7 c7 78 a6 21 9f 8d 70 01 89 35 a1 9a 2a 03 e8 7a f4 67 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 # [ 34.457728] RSP: 0018:ffff9461c14dfe60 EFLAGS: 00010282 # [ 34.463851] RAX: ffffffff9d97c280 RBX: 0000000000000004 RCX: 0000000000000000 # [ 34.472111] RDX: 0000000000000000 RSI: ffff88ff3ad1bf50 RDI: ffffffff9ed94060 # [ 34.480371] RBP: ffffffff9f10dbcf R08: 0000000000000000 R09: 0000000000000000 # [ 34.488628] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 34.496887] R13: ffff9461c14dff10 R14: ffff9461c14dff10 R15: ffff88fec331f000 # [ 34.505147] FS: 00007f55723cb580(0000) GS:ffff88ff3ad00000(0000) knlGS:0000000000000000 # [ 34.514473] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 34.521176] CR2: 0000000000000000 CR3: 00000001065ee002 CR4: 00000000003706e0 # [ 34.529436] Call Trace: # [ 34.532456] <6>[ 36.763502] lkdtm: Performing direct entry UNSET_SMEP ? __die_body.cold+0x1a/0x1f # [ 34.537126] ? no_context+0x17<6>[ 36.775517] lkdtm: trying to clear SMEP normally 7/0x380 # [ 34.541505] ? exc_page_fault+0x53/0x170 # [ 34<4>[ 36.787186] ------------[ cut here ]------------ .546173] ? asm_exc_page_fault+0x1e/0x30 # [ 34.551124] ? lk<4>[ 36.798841] pinned CR4 bits changed: 0x100000!? dtm_WARNING_MESSAGE+0x30/0x30 # [ 34.556374] ? lkdtm_EXCEPTI<4>[ 36.810422] WARNING: CPU: 1 PID: 1052 at arch/x86/kernel/cpu/common.c:397 native_write_cr4+0x45/0x60 ON+0x5/0x20 # [ 34.560937] direct_entry.cold+0x2c/0x38 # [ <4>[ 36.827112] 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_sysfs uvcvideo cros_usbpd_logger cros_ec_chardev videobuf2_vmalloc cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common cros_usbpd_notify snd_pcm_dmaengine regmap_i2c i2c_hid cros_kbd_led_backlight chromeos_pstore coreboot_table 34.565607] full_proxy_write+0x53/0x80 # [ 34.570178] vfs_<4>[ 36.886070] CPU: 1 PID: 1052 Comm: cat Tainted: G D W 5.10.209-cip44 #1 write+0xe7/0x3b0 # [ 34.574166] ksys_write+0x68/0xf0 # [ <4>[ 36.901229] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 34.578154] do_syscall_64+0x30/0x40 # [ 34.582433] entry_SYS<4>[ 36.914542] RIP: 0010:native_write_cr4+0x45/0x60 CALL_64_after_hwframe+0x62/0xc7 # [ 34.588362] RIP: 0033:0x7f<4>[ 36.926204] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d f8 51 86 02 00 75 f2 48 c7 c7 70 7c 11 9f c6 05 e8 51 86 02 01 e8 75 95 13 01 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 55722e1473 # [ 34.592640] Code: 8b 15 21 2a 0e 00 f7 d8 64 89<4>[ 36.953709] RSP: 0018:ffff9461c19bfe48 EFLAGS: 00010286 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 <4>[ 36.966081] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 0000000000000000 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f<4>[ 36.980560] RDX: ffff88ff3acac620 RSI: ffff88ff3ac9bf50 RDI: ffff88ff3ac9bf50 <4>[ 36.995036] RBP: ffffffff9f21a1b5 R08: 0000000000000000 R09: 0000000000000000 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 34.613933] RSP: 002b<4>[ 37.003299] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b :00007ffcefd0d218 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 #<4>[ 37.017774] R13: ffff9461c19bff10 R14: ffff9461c19bff10 R15: ffff88fec644e000 [ 34.622677] RAX: ffffffffffffffda RBX: 000000000000000a RCX:<4>[ 37.032253] FS: 00007f615a2c1580(0000) GS:ffff88ff3ac80000(0000) knlGS:0000000000000000 00007f55722e1473 # [ 34.630934] RDX: 000000000000000a RSI: 0<4>[ 37.047801] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 0007f55721d5000 RDI: 0000000000000001 # [ 34.639193] RBP: 000<4>[ 37.060729] CR2: 00007f615a0cb000 CR3: 000000010622e006 CR4: 00000000003706e0 07f55721d5000 R08: 00007f55721d4010 R09: 0000000000000000 # [ <4>[ 37.075204] Call Trace: 34.647451] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 000<4>[ 37.084442] ? __warn+0x80/0x110 <4>[ 37.094546] ? native_write_cr4+0x45/0x60 0000000000001 # [ 34.655716] R13: 0000000000000001 R14: 00000<4>[ 37.099317] ? report_bug+0x9e/0xc0 00000020000 R15: 0000000000020000 # [ 34.663978] Modules link<4>[ 37.109751] ? handle_bug+0x41/0x90 ed in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_<4>[ 37.120150] ? exc_invalid_op+0x14/0x70 sensors_core industrialio_triggered_buffer kfifo_buf industriali<4>[ 37.130934] ? asm_exc_invalid_op+0x12/0x20 o snd_soc_da7219 cros_ec_debugfs cros_ec_sysfs uvcvideo cros_usb<4>[ 37.142114] ? native_write_cr4+0x45/0x60 <4>[ 37.153120] ? native_write_cr4+0x45/0x60 pd_logger cros_ec_chardev videobuf2_vmalloc cros_ec_lightbar cro<4>[ 37.157890] lkdtm_UNSET_SMEP.cold+0x1d/0x103 s_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core <4>[ 37.169254] direct_entry.cold+0x2c/0x38 videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compres<4>[ 37.180144] full_proxy_write+0x53/0x80 s videobuf2_common cros_usbpd_notify snd_pcm_dmaengine regmap_i2<4>[ 37.190936] vfs_write+0xe7/0x3b0 c i2c_hid cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 37.201139] ksys_write+0x68/0xf0 # [ 34.722964] CR2: 0000000000000000 # [ 34.726952] ---[ e<4>[ 37.211348] do_syscall_64+0x30/0x40 nd trace 10c52649da3a3040 ]--- # [ 34.732388] RIP: 0010:lkdtm<4>[ 37.221846] entry_SYSCALL_64_after_hwframe+0x62/0xc7 _BUG+0x5/0x10 # [ 34.737055] Code: 89 ff e8 5e d2 79 ff 48 c7<4>[ 37.233997] RIP: 0033:0x7f615a1d7473 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 <4>[ 37.244495] 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 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00<4>[ 37.271990] RSP: 002b:00007ffe0ba93b08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 00 00 0f 1f 44 00 00 83 05 d0 9a 2a 03 # [ 34.758325] RSP: 0<4>[ 37.286956] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f615a1d7473 018:ffff9461c1327e60 EFLAGS: 00010282 # [ 34.764439] RAX: fff<4>[ 37.301435] RDX: 000000000000000b RSI: 00007f615a0cb000 RDI: 0000000000000001 fffff9d97c220 RBX: 0000000000000001 RCX: 0000000000000000 # [ <4>[ 37.315917] RBP: 00007f615a0cb000 R08: 00007f615a0ca010 R09: 0000000000000000 34.772698] RDX: 0000000000000000 RSI: ffff88ff3ac9bf50 RDI: fff<4>[ 37.330397] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 fffff9ed94030 # [ 34.781001] RBP: ffffffff9f27e9e8 R08: 00000<4>[ 37.344879] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 00000000001 R09: 0000000000000001 # [ 34.789261] R10: 0000000<4>[ 37.359364] irq event stamp: 0 0ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 34.<4>[ 37.369277] hardirqs last enabled at (0): [<0000000000000000>] 0x0 797518] R13: ffff9461c1327f10 R14: ffff9461c1327f10 R15: ffff88f<4>[ 37.382788] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 37.398434] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 ec3073000 # [ 34.805779] FS: 00007f55723cb580(0000) GS:ffff8<4>[ 37.407866] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 37.421369] ---[ end trace 10c52649da3a3043 ]--- 8ff3ad00000(0000) knlGS:0000000000000000 # [ 34.815106] CS: <6>[ 37.426819] lkdtm: ok: SMEP did not get cleared <6>[ 37.438379] lkdtm: trying to clear SMEP with call gadget 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 34.821811] C<6>[ 37.444606] lkdtm: ok: SMEP removal was reverted R2: 0000000000000000 CR3: 00000001065ee002 CR4: 00000000003706e0 # [ 34.830072] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 34.840273] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 749, name: cat # [ 34.848919] INFO: lockdep is turned off. # [ 34.853585] irq event stamp: 0 # [ 34.857281] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 34.864569] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 34.873984] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 34.883408] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 34.890717] CPU: 2 PID: 749 Comm: cat Tainted: G D W 5.10.209-cip44 #1 # [ 34.899559] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 34.906666] Call Trace: # [ 34.909685] dump_stack+0x77/0x9b # [ 34.913672] ___might_sleep.cold+0xa6/0xb6 # [ 34.918537] exit_signals+0x1c/0x300 # [ 34.929026] do_exit+0xc2/0xab0 # [ 34.932820] ? ksys_write+0x68/0xf0 # <6>[ 37.557606] lkdtm: Performing direct entry DOUBLE_FAULT <3>[ 37.568057] lkdtm: XFAIL: this test is ia32-only [ 34.937003] make_task_dead+0x2f/0x30 # [ 34.941370] rewind_stack_and_make_dead+0x17/0x20 # [ 34.946910] RIP: 0033:0x7f55722e1473 # [ 34.951189] 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 # [ 34.972459] RSP: 002b:00007ffcefd0d218 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 34.981204] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f55722e1473 # [ 34.989462] RDX: 000000000000000a RSI: 00007f55721d5000 RDI: 0000000000000001 # [ 34.997722] RBP: 00007f55721d5000 R08: 00007f55721d4010 R09: 0000000000000000 # [ 35.005981] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 35.014241] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXCEPTION: saw 'call trace<6>[ 37.657883] lkdtm: Performing direct entry CORRUPT_PAC :': ok ok 5 selftests: lkdtm: EXCEPTION.sh # selftests: lkdtm:<3>[ 37.666624] lkdtm: XFAIL: this test is arm64-only 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 # [ 35.353407] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 35.364811] lkdtm: attempting good list addition # [ 35.370300] lkdtm: attempting corrupted list addition # [ 35.376242] lkdtm: list_add() corruption not detected! # CORRUPT_LIST_ADD: missing 'list_add corruption': [FAIL] not ok 10 selftests: lkdtm: CORRUPT_LIST_ADD.sh # exit=1 # selftests: lkdtm: CORRUPT_LIST_DEL.sh # [ 35.459201] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 35.469629] lkdtm: attempting good list<6>[ 37.777936] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE <3>[ 37.791513] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS removal # [ 35.481194] lkdtm: attempting corrupted list removal # [ 35.493241] 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 # [ 35.578607] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 35.587367] lkdtm: attempting bad read from page below current stack # [ 35.600991] BUG: stack guard page was hit at 00000000e51a7b9a (stack is 0000000026d38987..00000000ee7a4522) # [ 35.618353] kernel stack overflow (page fault): 0000 [#3] SMP PTI # [ 35.625448] CPU: 1 PID: 981 Comm: cat Tainted: G D W 5.10.209-cip44 #1 # [ 35.634304] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 35.641406] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a # [ 35.648211] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 18 aa 21 9f 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 3e de fb ff 48 c7 c7 58 aa 21 9f <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 24 de fb ff 0f 1f 44 # [ 35.675706] RSP: 0018:ffff9461c185fe50 EFLAGS: 00010246 # [ 35.681838] RAX: 0000000000000038 RBX: ffff9461c185c000 RCX: 0000000000000000 # [ 35.696312] RDX: 0000000000000000 RSI: ffff88ff3ac9bf50 RDI: ffffffff9f21aa58 # [ 35.704571] RBP: ffffffff9f21a182 R08: 0000000000000000 R09: 0000000000000000 # [ 35.712832] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 # [ 35.721092] R13: ffff9461c185ff10 R14: ffff9461c185ff10 R15: ffff88fec65b8000 # [ 35.729351] FS: 00007ff9de17f580(0000) GS:ffff88ff3ac80000(0000) knlGS:0000000000000000 # [ 35.738678] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 35.745385] CR2: ffff9461c185bfff CR3: 0000000103090006 CR4: 00000000003706e0 # [ 35.753667] Call Trace: # [ 35.756683] <#DF> # [ 35.759218] ? __die_body.cold+0x1a/0x1f # [ 35.763887] ? die+0x2b/0x50 # [ 35.773601] ? handle_stack_overflow+0x3e/0x4d # [ 35.778852] ? no_context+0x24d/0x380 # [ 35.783216] # [ 35.785843] 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_sysfs uvcvideo cros_usbpd_logger cros_ec_chardev videobuf2_vmalloc cros_ec_ligh<6>[ 38.028885] lkdtm: Performing direct entry READ_AFTER_FREE <6>[ 38.035935] lkdtm: Value in memory before free: 12345678 <6>[ 38.042190] lkdtm: Attempting bad read from freed memory <6>[ 38.048416] lkdtm: Memory was not poisoned tbar cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common cros_usbpd_notify snd_pcm_dmaengine regmap_i2c i2c_hid cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 35.844798] ---[ end trace 10c52649da3a3041 ]--- # [ 35.850245] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 35.861123] Code: 89 ff e8 5e d2 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 d0 9a 2a 03 # [ 35.882394] RSP: 0018:ffff9461c1327e60 EFLAGS: 00010282 # [ 35.888519] RAX: ffffffff9d97c220 RBX: 0000000000000001 RCX: 0000000000000000 # [ 35.896778] RDX: 0000000000000000 RSI: ffff88ff3ac9bf50 RDI: ffffffff9ed94030 # [ 35.905037] RBP: ffffffff9f27e9e8 R08: 0000000000000001 R09: 0000000000000001 # [ 35.913298] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 35.921556] R13: ffff9461c1327f10 R14: ffff9461c1327f10 R15: ffff88fec3073000 # [ 35.929817] FS: 00007ff9de17f580(0000) GS:ffff88ff3ac80000(0000) knlGS:0000000000000000 # [ 35.939144] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 35.945850] CR2: ffff9461c185bfff CR3: 0000000103090006 CR4: 00000000003706e0 # [ 35.954112] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 35.964306] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 981, name: cat # [ 35.972945] INFO: lockdep is turned off. # [ 35.977611] irq event stamp: 0 # [ 35.981309] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 35.988599] hardirqs last disabled at (0): [[ 38.219318] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE dc>] copy_process+0x65c/0x20e0 # [ 35.998025] softirqs last <6>[ 38.228162] lkdtm: Value in memory before free: 12345678 enabled at (0): [] copy_process+0x65c/0x20e0 <6>[ 38.240627] lkdtm: Attempting to read from freed memory # [ 36.007450] softirqs last disabled at (0): [<00000000000000<6>[ 38.252959] lkdtm: Buddy page was not poisoned 00>] 0x0 # [ 36.014740] CPU: 1 PID: 981 Comm: cat Tainted: G D W 5.10.209-cip44 #1 # [ 36.023573] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 36.030667] Call Trace: # [ 36.033687] dump_stack+0x77/0x9b # [ 36.037677] ___might_sleep.cold+0xa6/0xb6 # [ 36.048751] exit_signals+0x1c/0x300 # [ 36.053032] do_exit+0xc2/0xab0 # [ 36.056819] ? ksys_write+0x68/0xf0 # [ 36.061004] make_task_dead+0x2f/0x30 # [ 36.071591] rewind_stack_and_make_dead+0x17/0x20 # [ 36.077132] RIP: 0033:0x7ff9de095473 # [ 36.081409] 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 # [ 36.102681] RSP: 002b:00007ffc374a1268 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 36.111418] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007ff9de095473 # [ 36.119<6>[ 38.353807] lkdtm: Performing direct entry SLAB_FREE_DOUBLE 678] RDX: 0000000000000019 RSI: 00007ff9ddf89000 RDI: 0000000000<6>[ 38.364145] lkdtm: Attempting double slab free ... 000001 # [ 36.127937] RBP: 00007ff9ddf89000 R08: 00007ff9ddf88010 R09: 0000000000000000 # [ 36.136197] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 36.144458] 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 # [ 36.288477] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 36.296847] lkdtm: attempting bad read from page above current stack # [ 36.304291] BUG: stack guard page was hit at 000000003ab212e9 (stack is 00000000351228b9..00000000fe595b8a) # [ 36.315477] kernel stack overflow (page fault): 0000 [#4] SMP PTI # [ 36.328782] CPU: 2 PID: 1015 Comm: cat Tainted: G D W 5.10.209-cip44 #1 # [ 36.337727] Hardware name: G<6>[ 38.462492] lkdtm: Performing direct entry SLAB_FREE_CROSS oogle Rammus/Rammus, BIOS 09/04/2020 # [ 36.344825] RIP: 001<6>[ 38.469471] lkdtm: Attempting cross-cache slab free ... 0:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d # [ 36.351726] Code: de fb ff 0f 1f 44 00 00 53 48 c7 c7 90 aa 21 9f 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 04 de fb ff 48 c7 c7 d0 aa 21 9f <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 e7 dd fb ff # [ 36.372989] RSP: 0018:ffff9461c192fe50 EFLAGS: 00010246 # [ 36.379114] RAX: 0000000000000038 RBX: ffff9461c192c000 RCX: 0000000000000000 # [ 36.387366] RDX: 0000000000000000 RSI: ffff88ff3ad1bf50 RDI: ffffffff9f21aad0 # [ 36.395626] RBP: ffffffff9f21a19b R08: 0000000000000000 R09: 0000000000000000 # [ 36.403885] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a # [ 36.412144] R13: ffff9461c192ff10 R14: ffff9461c192ff10 R15: ffff88fec65d0000 # [ 36.420404] FS: 00007f0360047580(0000) GS:ffff88ff3ad00000(0000) knlGS:0000000000000000 # [ 36.429732] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 36.436439] CR2: ffff9461c1930000 CR3: 0000000102a26002 CR4: 00000000003706e0 # [ 36.444697] Call Trace: # [ 36.447723] <#DF> # [ 36.450256] ? __die_body.cold+0x1a/0x1f # [ 36.454925] ? die+0x2b/0x50 # [ 36.458427] ? handle_stack_overflow+0x3e/0x4d # [ 36.463680] ? no_context+0x24d/0x380 # [ 36.468058] # [ 36.476896] 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_sysfs uvcvideo cros_us<6>[ 38.623098] lkdtm: Performing direct entry SLAB_FREE_PAGE bpd_logger cros_ec_chardev videobuf2_vmalloc cros_ec_lightbar cr<6>[ 38.631190] lkdtm: Attempting non-Slab slab free ... os_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common cros_usbpd_notify snd_pcm_dmaengine regmap_i2c i2c_hid cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 36.535887] ---[ end trace 10c52649da3a3042 ]--- # [ 36.541333] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 36.546000] Code: 89 ff e8 5e d2 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 d0 9a 2a 03 # [ 36.567266] RSP: 0018:ffff9461c1327e60 EFLAGS: 00010282 # [ 36.573380] RAX: ffffffff9d97c220 RBX: 0000000000000001 RCX: 0000000000000000 # [ 36.581659] RDX: 0000000000000000 RSI: ffff88ff3ac9bf50 RDI: ffffffff9ed94030 # [ 36.589928] RBP: ffffffff9f27e9e8 R08: 0000000000000001 R09: 0000000000000001 # [ 36.604400] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 36.612667] R13: ffff9461c1327f10 R14: ffff9461c1327f10 R15: ffff88fec3073000 # [ 36.620928] FS: 00007f0360047580(0000) GS:ffff88ff3ad00000(0000) knlGS:0000000000000000 # [ 36.630247] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 36.636953] CR2: ffff9461c1930000 CR3: 0000000102a26002 CR4: 00000000003706e0 # STACK_GUARD_PAGE_TRAILING: saw 'call trace:': ok ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # selftests: lkdtm: UNSET_SMEP.sh # [ 36.763502] lkdtm: Performing direct entry UNSET_SMEP # [ 36.775517] lkdtm: trying to clear SMEP normally # [ 36.787186] ------------[ cut here ]------------ # [ 36.798841] pinned CR4 bits changed: 0x100000!? # [ 36.810422] WARNING: CPU: 1 PID: 1052 at arch/x86/kernel/cpu/common.c:397 native_write_cr4+0x45/0x60 # [ 36.827112] 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_sysfs uvcvideo cros_usbpd_logger cros_ec_chardev videobuf2_vmalloc cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common cros_usbpd_notify snd_pcm_dmaengine regmap_i2c i2c_hid cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 36.886070] CPU: 1 PID: 1052 Comm: cat Tainted: G D W 5.10.209-cip44 #1 # [ 36.901229] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 36.914542] RIP: 0010:native_write_cr4+0x45/0x60 # [ 36.926204] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d f8 51 86 02 00 75 f2 48 c7 c7 70 7c 11 9f c6 05 e8 51 86 02 01 e8 75 95 13 01 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 # [ 36.953709] RSP: 0018:ffff9461c19bfe48 EFLAGS: 00010286 # [ 36.966081] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 0000000000000000 # [ 36.980560] RDX: ffff88ff3acac620 RSI: ffff88ff3ac9bf50 RDI: ffff88ff3ac9bf50 # [ 36.995036] RBP: ffffffff9f21a1b5 R08: 0000000000000000 R09: 0000000000000000 # [ 37.003299] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 37.017774] R13: ffff9461c19bff10 R14: ffff9461c19bff10 R15: ffff88fec644e000 # [ 37.032253] FS: 00007f615a2c1580(0000) GS:ffff88ff3ac80000(0000) knlGS:0000000000000000 # [ 37.047801] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 37.060729] CR2: 00007f615a0cb000 CR3: 0000000106<6>[ 38.978369] lkdtm: Performing direct entry EXEC_DATA <6>[ 38.984714] lkdtm: attempting ok execution at ffffffff9d97c5f0 <6>[ 38.991529] lkdtm: attempting bad execution at ffffffffa0c25d40 <2>[ 38.998460] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) 22e006 CR4: 00000000003706e0 # [ 37.075204] Call Trace: # [ <1>[ 39.007117] BUG: unable to handle page fault for address: ffffffffa0c25d40 <1>[ 39.021301] #PF: supervisor instruction fetch in kernel mode <1>[ 39.027911] #PF: error_code(0x0011) - permissions violation <6>[ 39.034423] PGD 135a29067 P4D 135a29067 PUD 135a2a063 PMD 80000001372000e3 <4>[ 39.042492] Oops: 0011 [#5] SMP PTI <4>[ 39.046676] CPU: 3 PID: 1575 Comm: cat Tainted: G D W 5.10.209-cip44 #1 <4>[ 39.055616] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 39.062728] RIP: 0010:data_area+0x0/0x40 <4>[ 39.067396] Code: ff ff 00 3f dc c0 fe 88 ff ff 00 3e dc c0 fe 88 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 <4>[ 39.088670] RSP: 0018:ffff9461c2167e48 EFLAGS: 00010246 <4>[ 39.094794] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 39.103053] RDX: 0000000000000000 RSI: ffff88ff3ad9bf50 RDI: ffff88ff3ad9bf50 <4>[ 39.111312] RBP: ffffffffa0c25d40 R08: 0000000000000000 R09: 0000000000000000 <4>[ 39.119572] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a <4>[ 39.127831] R13: ffff9461c2167f10 R14: ffff9461c2167f10 R15: ffff88fec330c000 <4>[ 39.136090] FS: 00007f29c84be580(0000) GS:ffff88ff3ad80000(0000) knlGS:0000000000000000 <4>[ 39.145419] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 39.152125] CR2: ffffffffa0c25d40 CR3: 0000000103f6e005 CR4: 00000000003706e0 <4>[ 39.160386] Call Trace: <4>[ 39.163405] ? __die_body.cold+0x1a/0x1f <4>[ 39.168074] ? no_context+0x177/0x380 <4>[ 39.172454] ? exc_page_fault+0xd7/0x170 <4>[ 39.177121] ? asm_exc_page_fault+0x1e/0x30 <4>[ 39.182084] ? execute_location+0x45/0x56 <4>[ 39.186848] ? direct_entry.cold+0x2c/0x38 <4>[ 39.191725] ? full_proxy_write+0x53/0x80 <4>[ 39.196491] ? vfs_write+0xe7/0x3b0 <4>[ 39.200674] ? ksys_write+0x68/0xf0 <4>[ 39.204848] ? do_syscall_64+0x30/0x40 <4>[ 39.209313] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 37.084442] ? __warn+0x80/0x110 # [ 37.094546] ? native_wr<4>[ 39.215438] 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_sysfs uvcvideo cros_usbpd_logger cros_ec_chardev videobuf2_vmalloc cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common cros_usbpd_notify snd_pcm_dmaengine regmap_i2c i2c_hid cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 39.274429] CR2: ffffffffa0c25d40 <4>[ 39.278417] ---[ end trace 10c52649da3a3044 ]--- <4>[ 39.283864] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 39.288532] Code: 89 ff e8 5e d2 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 d0 9a 2a 03 <4>[ 39.309797] RSP: 0018:ffff9461c1327e60 EFLAGS: 00010282 <4>[ 39.315920] RAX: ffffffff9d97c220 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 39.324181] RDX: 0000000000000000 RSI: ffff88ff3ac9bf50 RDI: ffffffff9ed94030 <4>[ 39.332442] RBP: ffffffff9f27e9e8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 39.340703] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 39.348954] R13: ffff9461c1327f10 R14: ffff9461c1327f10 R15: ffff88fec3073000 <4>[ 39.357214] FS: 00007f29c84be580(0000) GS:ffff88ff3ad80000(0000) knlGS:0000000000000000 <4>[ 39.366541] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 39.373249] CR2: ffffffffa0c25d40 CR3: 0000000103f6e005 CR4: 00000000003706e0 <3>[ 39.381510] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 39.391720] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1575, name: cat <4>[ 39.400463] INFO: lockdep is turned off. <4>[ 39.405130] irq event stamp: 0 <4>[ 39.408828] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 39.416117] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 39.425544] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 39.434969] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 39.442258] CPU: 3 PID: 1575 Comm: cat Tainted: G D W 5.10.209-cip44 #1 <4>[ 39.451197] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 39.458292] Call Trace: <4>[ 39.461311] dump_stack+0x77/0x9b <4>[ 39.465300] ___might_sleep.cold+0xa6/0xb6 <4>[ 39.470155] exit_signals+0x1c/0x300 <4>[ 39.474434] do_exit+0xc2/0xab0 <4>[ 39.478228] ? ksys_write+0x68/0xf0 <4>[ 39.482410] make_task_dead+0x2f/0x30 <4>[ 39.486778] rewind_stack_and_make_dead+0x17/0x20 <4>[ 39.492319] RIP: 0033:0x7f29c83d4473 <4>[ 39.496598] 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 <4>[ 39.517873] RSP: 002b:00007ffde6f38c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 39.526619] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f29c83d4473 <4>[ 39.534881] RDX: 000000000000000a RSI: 00007f29c82c8000 RDI: 0000000000000001 <4>[ 39.543142] RBP: 00007f29c82c8000 R08: 00007f29c82c7010 R09: 0000000000000000 <4>[ 39.551402] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 39.559668] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ite_cr4+0x45/0x60 # [ 37.099317] ? report_bug+0x9e/0xc0 # [ 37.109751] ? handle_bug+0x41/0x90 # [ 37.120150] ? exc_invalid_op+0x14/0x70 # [ 37.130934] ? asm_exc_invalid_op+0x12/0x20 # [ 37.142114] ? native_write_cr4+0x45/0x60 # [ 37.153120] ? native_write_cr4+0x45/0x60 # [ 37.157890] lkdtm_UNSET_SMEP.cold+0x1d/0x103 # [ 37.169254] direct_entry.cold+0x2c/0x38 # [ 37.180144] full_proxy_write+0x53/0x80 # [ 37.190936] vfs_write+0xe7/0x3b0 # [ 37.201139] ksys_write+0x68/0xf0 # [ 37.211348] do_syscall_64+0x30/0x40 # [ 37.221846] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 37.233997] RIP: 0033:0x7f615a1d7473 # [ 37.244495] 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 # [ 37.271990] RSP: 002b:00007ffe0ba93b08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 37.286956] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f615a1d7473 # [ 37.301435] RDX: 000000000<6>[ 39.668761] lkdtm: Performing direct entry EXEC_STACK <6>[ 39.679563] lkdtm: attempting ok execution at ffffffff9d97c5f0 <6>[ 39.686372] lkdtm: attempting bad execution at ffff9461c21f7e18 <2>[ 39.693280] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 39.701960] BUG: unable to handle page fault for address: ffff9461c21f7e18 <1>[ 39.709932] #PF: supervisor instruction fetch in kernel mode <1>[ 39.716532] #PF: error_code(0x0011) - permissions violation <6>[ 39.723043] PGD 100000067 P4D 100000067 PUD 100245067 PMD 105952067 PTE 80000001064f9063 000000b RSI: 00007f615a0cb000 RDI: 0000000000000001 # [ 37.31<4>[ 39.732378] Oops: 0011 [#6] SMP PTI <4>[ 39.742773] CPU: 3 PID: 1612 Comm: cat Tainted: G D W 5.10.209-cip44 #1 <4>[ 39.751713] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 39.758810] RIP: 0010:0xffff9461c21f7e18 <4>[ 39.763478] Code: 00 00 18 7e 1f c2 61 94 ff ff dc 36 04 9e ff ff ff ff 20 00 00 00 00 00 00 00 de a2 21 9f ff ff ff ff 0b 38 04 9e 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 <4>[ 39.784754] RSP: 0018:ffff9461c21f7df8 EFLAGS: 00010246 <4>[ 39.790878] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 39.799140] RDX: 0000000000000000 RSI: ffff88ff3ad9bf50 RDI: ffff88ff3ad9bf50 <4>[ 39.807401] RBP: ffff9461c21f7e18 R08: 0000000000000000 R09: 0000000000000000 <4>[ 39.815669] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b <4>[ 39.823930] R13: ffff9461c21f7f10 R14: ffff9461c21f7f10 R15: ffff88fec2ea3000 <4>[ 39.832192] FS: 00007f73ce840580(0000) GS:ffff88ff3ad80000(0000) knlGS:0000000000000000 <4>[ 39.841519] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 39.848225] CR2: ffff9461c21f7e18 CR3: 0000000105b56006 CR4: 00000000003706e0 <4>[ 39.856484] Call Trace: <4>[ 39.859506] ? __die_body.cold+0x1a/0x1f <4>[ 39.864176] ? no_context+0x177/0x380 <4>[ 39.868555] ? exc_page_fault+0xd7/0x170 <4>[ 39.873223] ? asm_exc_page_fault+0x1e/0x30 <4>[ 39.878185] ? execute_location+0x45/0x56 <4>[ 39.882949] ? lkdtm_EXEC_STACK+0x26/0x44 <4>[ 39.887719] ? direct_entry.cold+0x2c/0x38 <4>[ 39.892583] ? full_proxy_write+0x53/0x80 <4>[ 39.897351] ? vfs_write+0xe7/0x3b0 <4>[ 39.901532] ? ksys_write+0x68/0xf0 <4>[ 39.905728] ? do_syscall_64+0x30/0x40 <4>[ 39.910202] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 5917] RBP: 00007f615a0cb000 R08: 00007f615a0ca010 R09: 000000000<4>[ 39.916328] 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_sysfs uvcvideo cros_usbpd_logger cros_ec_chardev videobuf2_vmalloc cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common cros_usbpd_notify snd_pcm_dmaengine regmap_i2c i2c_hid cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 39.975323] CR2: ffff9461c21f7e18 <4>[ 39.979312] ---[ end trace 10c52649da3a3045 ]--- <4>[ 39.984758] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 39.989417] Code: 89 ff e8 5e d2 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 d0 9a 2a 03 <4>[ 40.010686] RSP: 0018:ffff9461c1327e60 EFLAGS: 00010282 <4>[ 40.016803] RAX: ffffffff9d97c220 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 40.025063] RDX: 0000000000000000 RSI: ffff88ff3ac9bf50 RDI: ffffffff9ed94030 <4>[ 40.033324] RBP: ffffffff9f27e9e8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 40.041584] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 40.049845] R13: ffff9461c1327f10 R14: ffff9461c1327f10 R15: ffff88fec3073000 <4>[ 40.058106] FS: 00007f73ce840580(0000) GS:ffff88ff3ad80000(0000) knlGS:0000000000000000 <4>[ 40.067435] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 40.074142] CR2: ffff9461c21f7e18 CR3: 0000000105b56006 CR4: 00000000003706e0 0000000 # [ 37.330397] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 37.344879] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 37.359364] irq event stamp: 0 # [ 37.369277] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 37.382788] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 37.398434] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 37.407866] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 37.421369] ---[ end trace 10c52649da3a3043 ]--- # [ 37.426819] lkdtm: ok: SMEP did not get cleared # [ 37.438379] lkdtm: trying to clear SMEP with call gadget # [ 37.444606] 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 # [ 37.557606] lkdtm: Performing direct entry DOUBLE_FAULT # [ 37.568057] lkdtm: XFAIL: this test is ia32-only <6>[ 40.181600] lkdtm: Performing direct entry EXEC_KMALLOC # DOUBLE_FAULT: saw 'XFAIL': [SKIP] ok 15 selftests: lkdtm: DOU<6>[ 40.188021] lkdtm: attempting ok execution at ffffffff9d97c5f0 BLE_FAULT.sh # SKIP # selftests: lkdtm: CORRUPT_PAC.sh # [ 3<6>[ 40.201043] lkdtm: attempting bad execution at ffff88fec2c86d00 7.657883] lkdtm: Performing direct entry CORRUPT_PAC # [ 37.6<2>[ 40.214168] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 40.229031] BUG: unable to handle page fault for address: ffff88fec2c86d00 <1>[ 40.237003] #PF: supervisor instruction fetch in kernel mode 66624] lkdtm: XFAIL: this test is arm64-only # CORRUPT_PAC: saw<1>[ 40.243615] #PF: error_code(0x0011) - permissions violation <6>[ 40.256343] PGD 137401067 P4D 137401067 PUD 10024a063 PMD 10601e063 PTE 8000000102c86063 'XFAIL': [SKIP] ok 16 selftests: lkdtm: CORRUPT_PAC.sh # SKIP <4>[ 40.265678] Oops: 0011 [#7] SMP PTI <4>[ 40.276074] CPU: 1 PID: 1649 Comm: cat Tainted: G D W 5.10.209-cip44 #1 <4>[ 40.285016] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 40.292113] RIP: 0010:0xffff88fec2c86d00 <4>[ 40.296774] Code: ff ff 40 db 18 c4 fe 88 ff ff 80 db 18 c4 fe 88 ff ff 00 00 00 00 00 00 00 00 00 00 00 00 40 00 38 00 09 00 40 00 18 00 17 00 <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 <4>[ 40.318049] RSP: 0018:ffff9461c2287e38 EFLAGS: 00010246 <4>[ 40.324174] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 40.332437] RDX: 0000000000000000 RSI: ffff88ff3ac9bf50 RDI: ffff88ff3ac9bf50 <4>[ 40.340698] RBP: ffff88fec2c86d00 R08: 0000000000000000 R09: 0000000000000000 <4>[ 40.348960] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d <4>[ 40.357222] R13: ffff9461c2287f10 R14: ffff9461c2287f10 R15: ffff88fec320d000 <4>[ 40.365482] FS: 00007fc2a4452580(0000) GS:ffff88ff3ac80000(0000) knlGS:0000000000000000 <4>[ 40.374810] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 40.381516] CR2: ffff88fec2c86d00 CR3: 0000000105ade005 CR4: 00000000003706e0 <4>[ 40.389778] Call Trace: #< selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh # [ 37.7774>[ 40.392799] ? __die_body.cold+0x1a/0x1f <4>[ 40.403687] ? no_context+0x177/0x380 936] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE <4>[ 40.408069] ? exc_page_fault+0xd7/0x170 <4>[ 40.418949] ? asm_exc_page_fault+0x1e/0x30 # <[ 37.791513] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UN4>[ 40.423913] ? execute_location+0x45/0x56 <4>[ 40.434894] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 <4>[ 40.439854] ? direct_entry.cold+0x2c/0x38 <4>[ 40.444725] ? full_proxy_write+0x53/0x80 ALIGNED_ACCESS # UNALIGNED_LOAD_STORE_WRITE: saw 'XFAIL': [SKIP<4>[ 40.449485] ? vfs_write+0xe7/0x3b0 <4>[ 40.459882] ? ksys_write+0x68/0xf0 <4>[ 40.464066] ? do_syscall_64+0x30/0x40 <4>[ 40.468531] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 ] ok 17 selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh # SKIP <4>[ 40.474670] 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_sysfs uvcvideo cros_usbpd_logger cros_ec_chardev videobuf2_vmalloc cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common cros_usbpd_notify snd_pcm_dmaengine regmap_i2c i2c_hid cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 40.533631] CR2: ffff88fec2c86d00 <4>[ 40.537621] ---[ end trace 10c52649da3a3046 ]--- <4>[ 40.543067] RIP: 0010:lkdtm_BUG+0x5/0x10 # selftests: lkdtm: OVERWRITE_ALLOCATION.sh # Skipping OVERWRI<4>[ 40.547737] Code: 89 ff e8 5e d2 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 d0 9a 2a 03 <4>[ 40.575224] RSP: 0018:ffff9461c1327e60 EFLAGS: 00010282 <4>[ 40.581348] RAX: ffffffff9d97c220 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 40.589608] RDX: 0000000000000000 RSI: ffff88ff3ac9bf50 RDI: ffffffff9ed94030 <4>[ 40.597868] RBP: ffffffff9f27e9e8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 40.606128] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 40.614389] R13: ffff9461c1327f10 R14: ffff9461c1327f10 R15: ffff88fec3073000 <4>[ 40.622668] FS: 00007fc2a4452580(0000) GS:ffff88ff3ac80000(0000) knlGS:0000000000000000 <4>[ 40.631999] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 40.638717] CR2: ffff88fec2c86d00 CR3: 0000000105ade005 CR4: 00000000003706e0 <3>[ 40.646978] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 40.657183] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1649, name: cat <4>[ 40.665929] INFO: lockdep is turned off. <4>[ 40.670596] irq event stamp: 0 <4>[ 40.674293] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 40.681575] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 40.691003] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 40.700421] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 40.707724] CPU: 1 PID: 1649 Comm: cat Tainted: G D W 5.10.209-cip44 #1 <4>[ 40.716666] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 40.723762] Call Trace: <4>[ 40.726782] dump_stack+0x77/0x9b TE_ALLOCATION: Corrupts memory on failure ok 18 selftests: lkdt<4>[ 40.730773] ___might_sleep.cold+0xa6/0xb6 <4>[ 40.741848] exit_signals+0x1c/0x300 <4>[ 40.746130] do_exit+0xc2/0xab0 <4>[ 40.749916] ? ksys_write+0x68/0xf0 <4>[ 40.754100] make_task_dead+0x2f/0x30 <4>[ 40.758477] rewind_stack_and_make_dead+0x17/0x20 <4>[ 40.764020] RIP: 0033:0x7fc2a4368473 <4>[ 40.768299] 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 <4>[ 40.789575] RSP: 002b:00007ffc77f9b398 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 40.798324] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007fc2a4368473 <4>[ 40.806586] RDX: 000000000000000d RSI: 00007fc2a425c000 RDI: 0000000000000001 <4>[ 40.814846] RBP: 00007fc2a425c000 R08: 00007fc2a425b010 R09: 0000000000000000 <4>[ 40.823107] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 40.831367] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 m: 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 # [ 38.028885] lkdtm: Performing direct entry READ_AFTER_FREE # [ 38.035935] lkdtm: Value in memory before free: 12345678 # [ 38.042190] lkdtm: Attempting bad read from freed memory # [ 38.048416] lkdtm: Memory was not poisoned # READ_AFTER_FREE: missing 'call trace:': [FAIL] not ok 20 selftests: lkdtm: READ_AFTER_FREE.sh # exit=1 # selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # Skipping WRITE_BUDDY_AFTER_FREE: Corrupts memory on failure ok 21 selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh # SKIP # selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh # [ 38.219318] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 38.228162] lkdtm: Value in memory before free: 12345678 # [ 38.240627] lkdtm: Attempting to read from freed memory # [ 38.252959] lkdtm: Buddy page was not poisoned # READ_BUDDY_AFTER_FREE: missing 'call trace:': [FAIL] not ok 22 selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh # exit=1 # selftests: lkdtm: SLAB_FREE_DOUBLE.sh # [ 38.353807] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 38.364145] lk<6>[ 40.961389] lkdtm: Performing direct entry EXEC_VMALLOC <6>[ 40.970098] lkdtm: attempting ok execution at ffffffff9d97c5f0 <6>[ 40.976948] lkdtm: attempting bad execution at ffff9461c032b000 <2>[ 40.983906] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 40.992567] BUG: unable to handle page fault for address: ffff9461c032b000 <1>[ 41.000536] #PF: supervisor instruction fetch in kernel mode <1>[ 41.007146] #PF: error_code(0x0011) - permissions violation <6>[ 41.013666] PGD 100000067 P4D 100000067 PUD 100245067 PMD 1009cc067 PTE 8000000103810063 <4>[ 41.022998] Oops: 0011 [#8] SMP PTI <4>[ 41.027180] CPU: 2 PID: 1686 Comm: cat Tainted: G D W 5.10.209-cip44 #1 <4>[ 41.036120] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 41.043216] RIP: 0010:0xffff9461c032b000 <4>[ 41.047884] Code: Unable to access opcode bytes at RIP 0xffff9461c032afd6. <4>[ 41.055853] RSP: 0018:ffff9461c2317e38 EFLAGS: 00010246 <4>[ 41.061977] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 41.070239] RDX: 0000000000000000 RSI: ffff88ff3ad1bf50 RDI: ffff88ff3ad1bf50 <4>[ 41.078498] RBP: ffff9461c032b000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 41.086757] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d <4>[ 41.095015] R13: ffff9461c2317f10 R14: ffff9461c2317f10 R15: ffff88fec3810000 <4>[ 41.103278] FS: 00007f9ef60e9580(0000) GS:ffff88ff3ad00000(0000) knlGS:0000000000000000 <4>[ 41.112608] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 41.119316] CR2: ffff9461c032afd6 CR3: 0000000105aca005 CR4: 00000000003706e0 <4>[ 41.127575] Call Trace: <4>[ 41.130595] ? __die_body.cold+0x1a/0x1f <4>[ 41.135263] ? no_context+0x177/0x380 <4>[ 41.139634] ? exc_page_fault+0xd7/0x170 <4>[ 41.144303] ? asm_exc_page_fault+0x1e/0x30 <4>[ 41.149266] ? execute_location+0x45/0x56 <4>[ 41.154033] ? lkdtm_EXEC_VMALLOC+0x20/0x30 <4>[ 41.158994] ? direct_entry.cold+0x2c/0x38 <4>[ 41.163859] ? full_proxy_write+0x53/0x80 <4>[ 41.168625] ? vfs_write+0xe7/0x3b0 <4>[ 41.172807] ? ksys_write+0x68/0xf0 <4>[ 41.176990] ? do_syscall_64+0x30/0x40 <4>[ 41.181455] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 dtm: Attempting double slab free ... # SLAB_FREE_DOUBLE: missin<4>[ 41.187573] 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_sysfs uvcvideo cros_usbpd_logger cros_ec_chardev videobuf2_vmalloc cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common cros_usbpd_notify snd_pcm_dmaengine regmap_i2c i2c_hid cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 41.246567] CR2: ffff9461c032b000 g 'call trace:': [FAIL] not ok 23 selftests: lkdtm: SLAB_FREE_D<4>[ 41.250559] ---[ end trace 10c52649da3a3047 ]--- <4>[ 41.262216] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 41.266884] Code: 89 ff e8 5e d2 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 d0 9a 2a 03 <4>[ 41.288158] RSP: 0018:ffff9461c1327e60 EFLAGS: 00010282 <4>[ 41.294281] RAX: ffffffff9d97c220 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 41.302543] RDX: 0000000000000000 RSI: ffff88ff3ac9bf50 RDI: ffffffff9ed94030 <4>[ 41.310802] RBP: ffffffff9f27e9e8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 41.319063] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 41.327324] R13: ffff9461c1327f10 R14: ffff9461c1327f10 R15: ffff88fec3073000 <4>[ 41.335585] FS: 00007f9ef60e9580(0000) GS:ffff88ff3ad00000(0000) knlGS:0000000000000000 <4>[ 41.344913] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 41.351619] CR2: ffff9461c032afd6 CR3: 0000000105aca005 CR4: 00000000003706e0 OUBLE.sh # exit=1 # selftests: lkdtm: SLAB_FREE_CROSS.sh # [ 38.462492] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 38.469471] 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 # [ 38.623098] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 38.631190] 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 # [ 38.978369] lkdtm: Performing direct entry EXEC_DATA # [ 38.984714] lkdtm: attempting ok execution at ffffffff9d97c5f0 # [ 38.991529] lkdtm: attempting bad execution at ffffffffa0c25d40 # [ 38.998460] kernel tried to execute NX-protected pag<6>[ 41.484893] lkdtm: Performing direct entry EXEC_RODATA e - exploit attempt? (uid: 0) # [ 39.007117] BUG: unable to h<6>[ 41.496636] lkdtm: attempting ok execution at ffffffff9d97c5f0 andle page fault for address: ffffffffa0c25d40 # [ 39.021301]<6>[ 41.509657] lkdtm: attempting bad execution at ffffffff9ed944c0 #PF: supervisor instruction fetch in kernel mode # [ 39.0279<2>[ 41.522803] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 41.537665] BUG: unable to handle page fault for address: ffffffff9ed944c0 <1>[ 41.545635] #PF: supervisor instruction fetch in kernel mode <1>[ 41.552244] #PF: error_code(0x0011) - permissions violation <6>[ 41.558755] PGD 135a29067 P4D 135a29067 PUD 135a2a063 PMD 80000001352000e1 <4>[ 41.566826] Oops: 0011 [#9] SMP PTI <4>[ 41.570999] CPU: 0 PID: 1723 Comm: cat Tainted: G D W 5.10.209-cip44 #1 <4>[ 41.579938] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 41.587036] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 <4>[ 41.593068] Code: ff ff 7b 4c 04 9e ff ff ff ff 2a a5 21 9f ff ff ff ff c1 33 04 9e 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 <4>[ 41.614341] RSP: 0018:ffff9461c23afe48 EFLAGS: 00010246 <4>[ 41.620466] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 <4>[ 41.628728] RDX: 0000000000000000 RSI: ffff88ff3ac1bf50 RDI: ffff88ff3ac1bf50 <4>[ 41.636979] RBP: ffffffff9ed944c0 R08: 0000000000000000 R09: 0000000000000000 <4>[ 41.645241] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c <4>[ 41.653501] R13: ffff9461c23aff10 R14: ffff9461c23aff10 R15: ffff88fec3f5e000 <4>[ 41.661763] FS: 00007f48d7c37580(0000) GS:ffff88ff3ac00000(0000) knlGS:0000000000000000 <4>[ 41.671082] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 41.677788] CR2: ffffffff9ed944c0 CR3: 00000001064c8004 CR4: 00000000003706f0 <4>[ 41.686048] Call Trace: <4>[ 41.689067] ? __die_body.cold+0x1a/0x1f <4>[ 41.693744] ? no_context+0x177/0x380 <4>[ 41.698123] ? exc_page_fault+0xd7/0x170 <4>[ 41.702799] ? asm_exc_page_fault+0x1e/0x30 <4>[ 41.707763] ? execute_location+0x45/0x56 <4>[ 41.712525] ? direct_entry.cold+0x2c/0x38 <4>[ 41.717382] ? full_proxy_write+0x53/0x80 <4>[ 41.722149] ? vfs_write+0xe7/0x3b0 <4>[ 41.726333] ? ksys_write+0x68/0xf0 <4>[ 41.730507] ? do_syscall_64+0x30/0x40 <4>[ 41.734982] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 41.741101] 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_sysfs uvcvideo cros_usbpd_logger cros_ec_chardev videobuf2_vmalloc cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common cros_usbpd_notify snd_pcm_dmaengine regmap_i2c i2c_hid cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 41.793871] CR2: ffffffff9ed944c0 <4>[ 41.797858] ---[ end trace 10c52649da3a3048 ]--- <4>[ 41.803305] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 41.807973] Code: 89 ff e8 5e d2 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 d0 9a 2a 03 <4>[ 41.829245] RSP: 0018:ffff9461c1327e60 EFLAGS: 00010282 <4>[ 41.835369] RAX: ffffffff9d97c220 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 41.843630] RDX: 0000000000000000 RSI: ffff88ff3ac9bf50 RDI: ffffffff9ed94030 <4>[ 41.851891] RBP: ffffffff9f27e9e8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 41.860151] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 41.868411] R13: ffff9461c1327f10 R14: ffff9461c1327f10 R15: ffff88fec3073000 <4>[ 41.876671] FS: 00007f48d7c37580(0000) GS:ffff88ff3ac00000(0000) knlGS:0000000000000000 <4>[ 41.885992] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 41.892697] CR2: ffffffff9ed944c0 CR3: 00000001064c8004 CR4: 00000000003706f0 <3>[ 41.900959] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 41.911163] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1723, name: cat <4>[ 41.919910] INFO: lockdep is turned off. <4>[ 41.924578] irq event stamp: 0 <4>[ 41.928275] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 41.935556] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 41.944981] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 41.954407] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 41.961717] CPU: 0 PID: 1723 Comm: cat Tainted: G D W 5.10.209-cip44 #1 <4>[ 41.970666] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 41.977761] Call Trace: <4>[ 41.980779] dump_stack+0x77/0x9b <4>[ 41.984768] ___might_sleep.cold+0xa6/0xb6 <4>[ 41.989631] exit_signals+0x1c/0x300 <4>[ 41.993911] do_exit+0xc2/0xab0 <4>[ 41.997699] ? ksys_write+0x68/0xf0 <4>[ 42.001882] make_task_dead+0x2f/0x30 <4>[ 42.006251] rewind_stack_and_make_dead+0x17/0x20 <4>[ 42.011783] RIP: 0033:0x7f48d7b4d473 <4>[ 42.016062] 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 <4>[ 42.037338] RSP: 002b:00007ffd8d574a28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 42.046076] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f48d7b4d473 <4>[ 42.054337] RDX: 000000000000000c RSI: 00007f48d7a41000 RDI: 0000000000000001 <4>[ 42.062597] RBP: 00007f48d7a41000 R08: 00007f48d7a40010 R09: 0000000000000000 <4>[ 42.070857] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 42.079118] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 11] #PF: error_code(0x0011) - permissions violation # [ 39.034423] PGD 135a29067 P4D 135a29067 PUD 135a2a063 PMD 80000001372000e3 # [ 39.042492] Oops: 0011 [#5] SMP PTI # [ 39.046676] CPU: 3 PID: 1575 Comm: cat Tainted: G D W 5.10.209-cip44 #1 # [ 39.055616] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 39.062728] RIP: 0010:data_area+0x0/0x40 # [ 39.067396] Code: ff ff 00 3f dc c0 fe 88 ff ff 00 3e dc c0 fe 88 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 # [ 39.088670] RSP: 0018:ffff9461c2167e48 EFLAGS: 00010246 # [ 39.094794] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 39.103053] RDX: 0000000000000000 RSI: ffff88ff3ad9bf50 RDI: ffff88ff3ad9bf50 # [ 39.111312] RBP: ffffffffa0c25d40 R08: 0000000000000000 R09: 0000000000000000 # [ 39.119572] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 39.127831] R13: ffff9461c2167f10 R14: ffff9461c2167f10 R15: ffff88fec330c000 # [ 39.136090] FS: 00007f29c84be580(0000) GS:ffff88ff3ad80000(0000) knlGS:0000000000000000 # [ 39.145419] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 39.152125] CR2: ffffffffa0c25d40 CR3: 0000000103f6e005 CR4: 00000000003706e0 # [ 39.160386] Call Trace: # [ 39.163405] ? __die_body.cold+0x1a/0x1f # [ 39.168074] ? no_context+0x177/0x380 # [ 39.172454] ? exc_page_fault+0xd7/0x170 # [ 39.177121] ? asm_exc_page_fault+0x1e/0x30 # [ 39.182084] ? execute_location+0x45/0x56 # [ 39.186848] ? direct_entry.cold+0x2c/0x38 # [ 39.191725] ? full_proxy_write+0x53/0x80 # [ 39.196491] ? vfs_write+0xe7/0x3b0 # [ 39.200674] ? ksys_write+0x68/0xf0 # [ 39.204848] ? do_syscall_64+0x30/0x40 # [ 39.209313] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 39.215438] 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_sysfs uvcvideo cros_usbpd_logger cros_ec_chardev videobuf2_vmalloc cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core vid<6>[ 42.302357] lkdtm: Performing direct entry EXEC_USERSPACE <6>[ 42.311281] lkdtm: attempting ok execution at ffffffff9d97c5f0 <6>[ 42.318124] lkdtm: attempting bad execution at 00007f175120a000 eobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress v<2>[ 42.325064] unable to execute userspace code (SMEP?) (uid: 0) <1>[ 42.337954] BUG: unable to handle page fault for address: 00007f175120a000 <1>[ 42.345922] #PF: supervisor instruction fetch in kernel mode <1>[ 42.352531] #PF: error_code(0x0011) - permissions violation <6>[ 42.359045] PGD 8000000102737067 P4D 8000000102737067 PUD 105b6c067 PMD 105927067 PTE 107169067 <4>[ 42.369058] Oops: 0011 [#10] SMP PTI <4>[ 42.373329] CPU: 2 PID: 1760 Comm: cat Tainted: G D W 5.10.209-cip44 #1 <4>[ 42.382269] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 42.389366] RIP: 0010:0x7f175120a000 <4>[ 42.393636] Code: Unable to access opcode bytes at RIP 0x7f1751209fd6. <4>[ 42.401216] RSP: 0018:ffff9461c244fe50 EFLAGS: 00010246 <4>[ 42.407340] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 <4>[ 42.415599] RDX: 0000000000000000 RSI: ffff88ff3ad1bf50 RDI: ffff88ff3ad1bf50 <4>[ 42.423860] RBP: 00007f175120a000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 42.432120] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f <4>[ 42.440380] R13: ffff9461c244ff10 R14: ffff9461c244ff10 R15: ffff88fec29cf000 <4>[ 42.448639] FS: 00007f17511db580(0000) GS:ffff88ff3ad00000(0000) knlGS:0000000000000000 ideobuf2_common cros_usbpd_notify snd_pcm_dmaengine regmap_i2c i<4>[ 42.457995] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 42.470914] CR2: 00007f175120a000 CR3: 00000001034a2003 CR4: 00000000003706e0 <4>[ 42.479174] Call Trace: <4>[ 42.482194] ? __die_body.cold+0x1a/0x1f <4>[ 42.486864] ? no_context+0x177/0x380 <4>[ 42.491244] ? exc_page_fault+0x53/0x170 <4>[ 42.495912] ? asm_exc_page_fault+0x1e/0x30 <4>[ 42.500875] ? lkdtm_EXEC_USERSPACE.cold+0x66/0xae <4>[ 42.506514] ? direct_entry.cold+0x2c/0x38 <4>[ 42.511376] ? full_proxy_write+0x53/0x80 <4>[ 42.516134] ? vfs_write+0xe7/0x3b0 <4>[ 42.520315] ? ksys_write+0x68/0xf0 <4>[ 42.524499] ? do_syscall_64+0x30/0x40 <4>[ 42.528974] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 2c_hid cros_kbd_led_backlight chromeos_pstore coreboot_table # <4>[ 42.535099] 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_sysfs uvcvideo cros_usbpd_logger cros_ec_chardev videobuf2_vmalloc cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common cros_usbpd_notify snd_pcm_dmaengine regmap_i2c i2c_hid cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 42.594091] CR2: 00007f175120a000 <4>[ 42.598079] ---[ end trace 10c52649da3a3049 ]--- <4>[ 42.603524] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 42.608191] Code: 89 ff e8 5e d2 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 d0 9a 2a 03 <4>[ 42.629465] RSP: 0018:ffff9461c1327e60 EFLAGS: 00010282 <4>[ 42.635589] RAX: ffffffff9d97c220 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 42.643848] RDX: 0000000000000000 RSI: ffff88ff3ac9bf50 RDI: ffffffff9ed94030 <4>[ 42.652109] RBP: ffffffff9f27e9e8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 42.660370] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 42.668630] R13: ffff9461c1327f10 R14: ffff9461c1327f10 R15: ffff88fec3073000 <4>[ 42.676890] FS: 00007f17511db580(0000) GS:ffff88ff3ad00000(0000) knlGS:0000000000000000 <4>[ 42.686218] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 42.692923] CR2: 00007f175120a000 CR3: 00000001034a2003 CR4: 00000000003706e0 [ 39.274429] CR2: ffffffffa0c25d40 # [ 39.278417] ---[ end trace 10c52649da3a3044 ]--- # [ 39.283864] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 39.288532] Code: 89 ff e8 5e d2 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 d0 9a 2a 03 # [ 39.309797] RSP: 0018:ffff9461c1327e60 EFLAGS: 00010282 # [ 39.315920] RAX: ffffffff9d97c220 RBX: 0000000000000001 RCX: 0000000000000000 # [ 39.324181] RDX: 0000000000000000 RSI: ffff88ff3ac9bf50 RDI: ffffffff9ed94030 # [ 39.332442] RBP: ffffffff9f27e9e8 R08: 0000000000000001 R09: 0000000000000001 # [ 39.340703] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 39.348954] R13: ffff9461c1327f10 R14: ffff9461c1327f10 R15: ffff88fec3073000 # [ 39.357214] FS: 00007f29c84be580(0000) GS:ffff88ff3ad80000(0000) knlGS:0000000000000000 # [ 39.366541] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 39.373249] CR2: ffffffffa0c25d40 CR3: 0000000103f6e005 CR4: 00000000003706e0 # [ 39.381510] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 39.391720] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1575, name: cat # [ 39.400463] INFO: lockdep is turned off. # [ 39.405130] irq event stamp: 0 # [ 39.408828] hardirqs last enabled at (<6>[ 42.836175] lkdtm: Performing direct entry EXEC_NULL 0): [<0000000000000000>] 0x0 # [ 39.416117] hardirqs last dis<6>[ 42.843818] lkdtm: attempting ok execution at ffffffff9d97c5f0 abled at (0): [] copy_process+0x65c/0x20e0 # <6>[ 42.856862] lkdtm: attempting bad execution at 0000000000000000 [ 39.425544] softirqs last enabled at (0): [[ 42.869983] BUG: kernel NULL pointer dereference, address: 0000000000000000 <1>[ 42.884228] #PF: supervisor instruction fetch in kernel mode <1>[ 42.890840] #PF: error_code(0x0010) - not-present page <6>[ 42.896868] PGD 0 P4D 0 <4>[ 42.899985] Oops: 0010 [#11] SMP PTI <4>[ 42.904265] CPU: 0 PID: 1797 Comm: cat Tainted: G D W 5.10.209-cip44 #1 <4>[ 42.913208] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 42.920306] RIP: 0010:0x0 <4>[ 42.923519] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. <4>[ 42.931490] RSP: 0018:ffff9461c24c7e48 EFLAGS: 00010246 <4>[ 42.937615] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 <4>[ 42.945875] RDX: 0000000000000000 RSI: ffff88ff3ac1bf50 RDI: ffff88ff3ac1bf50 <4>[ 42.954138] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 42.962399] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a <4>[ 42.970668] R13: ffff9461c24c7f10 R14: ffff9461c24c7f10 R15: ffff88fec411a000 <4>[ 42.978930] FS: 00007f1a39e27580(0000) GS:ffff88ff3ac00000(0000) knlGS:0000000000000000 <4>[ 42.988261] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 42.994969] CR2: ffffffffffffffd6 CR3: 000000010643a003 CR4: 00000000003706f0 <4>[ 43.003231] Call Trace: <4>[ 43.006251] ? __die_body.cold+0x1a/0x1f <4>[ 43.010927] ? no_context+0x177/0x380 <4>[ 43.015307] ? exc_page_fault+0x53/0x170 <4>[ 43.019981] ? asm_exc_page_fault+0x1e/0x30 <4>[ 43.024946] execute_location+0x45/0x56 <4>[ 43.029524] direct_entry.cold+0x2c/0x38 <4>[ 43.034195] full_proxy_write+0x53/0x80 <4>[ 43.038775] vfs_write+0xe7/0x3b0 <4>[ 43.042765] ksys_write+0x68/0xf0 <4>[ 43.046755] do_syscall_64+0x30/0x40 <4>[ 43.051036] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 43.056967] RIP: 0033:0x7f1a39d3d473 <4>[ 43.061246] 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 <4>[ 43.082524] RSP: 002b:00007ffc94a419c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 43.091271] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f1a39d3d473 <4>[ 43.099533] RDX: 000000000000000a RSI: 00007f1a39c31000 RDI: 0000000000000001 <4>[ 43.107793] RBP: 00007f1a39c31000 R08: 00007f1a39c30010 R09: 0000000000000000 <4>[ 43.116056] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 43.124316] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 43.132580] 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_sysfs uvcvideo cros_usbpd_logger cros_ec_chardev videobuf2_vmalloc cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common cros_usbpd_notify snd_pcm_dmaengine regmap_i2c i2c_hid cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 43.185352] CR2: 0000000000000000 <4>[ 43.189340] ---[ end trace 10c52649da3a304a ]--- <4>[ 43.194787] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 43.199445] Code: 89 ff e8 5e d2 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 d0 9a 2a 03 <4>[ 43.220724] RSP: 0018:ffff9461c1327e60 EFLAGS: 00010282 <4>[ 43.226849] RAX: ffffffff9d97c220 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 43.235111] RDX: 0000000000000000 RSI: ffff88ff3ac9bf50 RDI: ffffffff9ed94030 <4>[ 43.243372] RBP: ffffffff9f27e9e8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 43.251633] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 43.259892] R13: ffff9461c1327f10 R14: ffff9461c1327f10 R15: ffff88fec3073000 <4>[ 43.268155] FS: 00007f1a39e27580(0000) GS:ffff88ff3ac00000(0000) knlGS:0000000000000000 <4>[ 43.277476] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 43.284183] CR2: ffffffffffffffd6 CR3: 000000010643a003 CR4: 00000000003706f0 <3>[ 43.292445] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 43.302671] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1797, name: cat <4>[ 43.311418] INFO: lockdep is turned off. <4>[ 43.316085] irq event stamp: 0 <4>[ 43.319782] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 43.327074] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 43.336501] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 43.345928] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 43.353217] CPU: 0 PID: 1797 Comm: cat Tainted: G D W 5.10.209-cip44 #1 <4>[ 43.362158] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 43.369254] Call Trace: <4>[ 43.372274] dump_stack+0x77/0x9b <4>[ 43.376265] ___might_sleep.cold+0xa6/0xb6 <4>[ 43.381129] exit_signals+0x1c/0x300 <4>[ 43.385401] do_exit+0xc2/0xab0 <4>[ 43.389188] ? ksys_write+0x68/0xf0 <4>[ 43.393363] make_task_dead+0x2f/0x30 <4>[ 43.397742] rewind_stack_and_make_dead+0x17/0x20 <4>[ 43.403275] RIP: 0033:0x7f1a39d3d473 <4>[ 43.407545] 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 <4>[ 43.428821] RSP: 002b:00007ffc94a419c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 43.437568] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f1a39d3d473 <4>[ 43.445828] RDX: 000000000000000a RSI: 00007f1a39c31000 RDI: 0000000000000001 <4>[ 43.454089] RBP: 00007f1a39c31000 R08: 00007f1a39c30010 R09: 0000000000000000 <4>[ 43.462351] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 43.470612] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 >] copy_process+0x65c/0x20e0 # [ 39.434969] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 39.442258] CPU: 3 PID: 1575 Comm: cat Tainted: G D W 5.10.209-cip44 #1 # [ 39.451197] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 39.458292] Call Trace: # [ 39.461311] dump_stack+0x77/0x9b # [ 39.465300] ___might_sleep.cold+0xa6/0xb6 # [ 39.470155] exit_signals+0x1c/0x300 # [ 39.474434] do_exit+0xc2/0xab0 # [ 39.478228] ? ksys_write+0x68/0xf0 # [ 39.482410] make_task_dead+0x2f/0x30 # [ 39.486778] rewind_stack_and_make_dead+0x17/0x20 # [ 39.492319] RIP: 0033:0x7f29c83d4473 # [ 39.496598] 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 # [ 39.517873] RSP: 002b:00007ffde6f38c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 39.526619] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f29c83d4473 # [ 39.534881] RDX: 000000000000000a RSI: 00007f29c82c8000 RDI: 0000000000000001 # [ 39.543142] RBP: 00007f29c82c8000 R08: 00007f29c82c7010 R09: 0000000000000000 # [ <6>[ 43.594358] lkdtm: Performing direct entry ACCESS_USERSPACE 39.551402] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 000<6>[ 43.603526] lkdtm: attempting bad read at 00007f20fe6be000 0000000000001 # [ 39.559668] R13: 0000000000000001 R14: 00000<1>[ 43.616155] BUG: unable to handle page fault for address: 00007f20fe6be000 <1>[ 43.630324] #PF: supervisor read access in kernel mode <1>[ 43.636351] #PF: error_code(0x0001) - permissions violation <6>[ 43.642864] PGD 8000000103223067 P4D 8000000103223067 PUD 10306f067 PMD 1065fb067 PTE 10a60d067 <4>[ 43.652884] Oops: 0001 [#12] SMP PTI <4>[ 43.657156] CPU: 0 PID: 1833 Comm: cat Tainted: G D W 5.10.209-cip44 #1 <4>[ 43.666097] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 43.673195] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 <4>[ 43.679720] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 48 b2 21 9f e8 78 d7 fb ff 48 c7 c7 70 b2 21 9f b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 5f d7 fb ff 48 89 ee 48 c7 c7 98 b2 21 <4>[ 43.700997] RSP: 0018:ffff9461c254fe48 EFLAGS: 00010246 <4>[ 43.707122] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 <4>[ 43.715382] RDX: 0000000000000000 RSI: ffff88ff3ac1bf50 RDI: ffffffff9f21b270 <4>[ 43.723661] RBP: 00007f20fe6be000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 43.731925] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 <4>[ 43.740185] R13: ffff9461c254ff10 R14: ffff9461c254ff10 R15: ffff88fec6030000 <4>[ 43.748449] FS: 00007f20fe68f580(0000) GS:ffff88ff3ac00000(0000) knlGS:0000000000000000 <4>[ 43.757770] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 43.764476] CR2: 00007f20fe6be000 CR3: 000000010643a001 CR4: 00000000003706f0 <4>[ 43.772738] Call Trace: <4>[ 43.775758] ? __die_body.cold+0x1a/0x1f <4>[ 43.780436] ? no_context+0x177/0x380 <4>[ 43.784822] ? exc_page_fault+0x53/0x170 <4>[ 43.789497] ? asm_exc_page_fault+0x1e/0x30 <4>[ 43.794460] ? lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 <4>[ 43.800299] ? lkdtm_ACCESS_USERSPACE.cold+0x35/0xa3 <4>[ 43.806134] direct_entry.cold+0x2c/0x38 <4>[ 43.810805] full_proxy_write+0x53/0x80 <4>[ 43.815383] vfs_write+0xe7/0x3b0 <4>[ 43.819378] ksys_write+0x68/0xf0 <4>[ 43.823367] do_syscall_64+0x30/0x40 <4>[ 43.827669] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 43.833599] RIP: 0033:0x7f20fe5a5473 <4>[ 43.837880] 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 <4>[ 43.859147] RSP: 002b:00007ffeacac07c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 43.867894] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f20fe5a5473 <4>[ 43.876156] RDX: 0000000000000011 RSI: 00007f20fe499000 RDI: 0000000000000001 <4>[ 43.884417] RBP: 00007f20fe499000 R08: 00007f20fe498010 R09: 0000000000000000 <4>[ 43.892678] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 43.900938] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 43.909203] 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_sysfs uvcvideo cros_usbpd_logger cros_ec_chardev videobuf2_vmalloc cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common cros_usbpd_notify snd_pcm_dmaengine regmap_i2c i2c_hid cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 43.961976] CR2: 00007f20fe6be000 <4>[ 43.965964] ---[ end trace 10c52649da3a304b ]--- <4>[ 43.971411] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 43.976080] Code: 89 ff e8 5e d2 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 d0 9a 2a 03 <4>[ 43.997356] RSP: 0018:ffff9461c1327e60 EFLAGS: 00010282 <4>[ 44.003472] RAX: ffffffff9d97c220 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 44.011733] RDX: 0000000000000000 RSI: ffff88ff3ac9bf50 RDI: ffffffff9ed94030 <4>[ 44.019993] RBP: ffffffff9f27e9e8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 44.028253] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 44.036512] R13: ffff9461c1327f10 R14: ffff9461c1327f10 R15: ffff88fec3073000 <4>[ 44.044775] FS: 00007f20fe68f580(0000) GS:ffff88ff3ac00000(0000) knlGS:0000000000000000 <4>[ 44.054096] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 44.060804] CR2: 00007f20fe6be000 CR3: 000000010643a001 CR4: 00000000003706f0 00000020000 R15: 0000000000020000 # EXEC_DATA: saw 'call trace:': ok ok 30 selftests: lkdtm: EXEC_DATA.sh # selftests: lkdtm: EXEC_STACK.sh # Killed # [ 39.668761] lkdtm: Performing direct entry EXEC_STACK # [ 39.679563] lkdtm: attempting ok execution at ffffffff9d97c5f0 # [ 39.686372] lkdtm: attempting bad execution at ffff9461c21f7e18 # [ 39.693280] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 39.701960] BUG: unable to handle page fault for address: ffff9461c21f7e18 # [ 39.709932] #PF: supervisor instruction fetch in kernel mode # [ 39.716532] #PF: error_code(0x0011) - permissions violation # [ 39.723043] PGD 100000067 P4D 100000067 PUD 100245067 PMD 105952067 PTE 80000001064f9063 # [ 39.732378] Oops: 0011 [#6] SMP PTI # [ 39.742773] CPU: 3 PID: 1612 Comm: cat Tainted: G D W 5.10.209-cip44 #1 # [ 39.751713] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 39.758810] RIP: 0010:0xffff9461c21f7e18 # [ 39.763478] Code: 00 00 18 7e 1f c2 61 94 ff ff dc 36 04 9e ff ff ff ff 20 00 00 00 00 00 00 00 de a2 21 9f ff ff ff ff 0b 38 04 9e 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 # [ 39.784754] RSP: 0018:ffff9461c21f7df8 EFLAGS: 00010246 # [ 39.790878] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 39.799140] RDX: 0000000000000000 RSI: ffff88ff3ad9bf50 RDI: ffff88ff3ad9bf50 # [ 39.807401] RBP: ffff9461c21f7e18 R08: 0000000000000000 R09: 0000000000000000 # [ 39.815669] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 39.823930] R13: ffff9461c21f7f10 R14: ffff9461c21f7f10 R15: ffff88fec2ea3000 # [ 39.832192] FS: 00007f73ce840580(0000) GS:ffff88ff3ad80000(0000) knlGS:0000000000000000 # [ 39.841519] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 39.848225] CR2: ffff9461c21f7e18 CR3: 0000000105b<6>[ 44.250551] lkdtm: Performing direct entry ACCESS_NULL <6>[ 44.261576] lkdtm: attempting bad read at 0000000000000000 <1>[ 44.268021] BUG: kernel NULL pointer dereference, address: 0000000000000000 <1>[ 44.276119] #PF: supervisor read access in kernel mode <1>[ 44.282147] #PF: error_code(0x0000) - not-present page <6>[ 44.288173] PGD 0 P4D 0 <4>[ 44.291288] Oops: 0000 [#13] SMP PTI <4>[ 44.295568] CPU: 2 PID: 1869 Comm: cat Tainted: G D W 5.10.209-cip44 #1 <4>[ 44.304499] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 44.311596] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 <4>[ 44.317138] Code: 1c d7 fb ff be 00 10 00 00 48 89 ef e8 ca 2d 0c ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 48 b2 21 9f e8 f6 d6 fb ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 70 b2 21 9f 48 01 <4>[ 44.338412] RSP: 0018:ffff9461c25c7e58 EFLAGS: 00010246 <4>[ 44.344537] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 <4>[ 44.352797] RDX: 0000000000000000 RSI: ffff88ff3ad1bf50 RDI: ffff88ff3ad1bf50 <4>[ 44.361058] RBP: ffffffff9f21a339 R08: 0000000000000000 R09: 0000000000000000 <4>[ 44.369317] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c <4>[ 44.377577] R13: ffff9461c25c7f10 R14: ffff9461c25c7f10 R15: ffff88fec2ea0000 <4>[ 44.385839] FS: 00007fa7cb142580(0000) GS:ffff88ff3ad00000(0000) knlGS:0000000000000000 <4>[ 44.395159] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 44.401866] CR2: 0000000000000000 CR3: 0000000102c88004 CR4: 00000000003706e0 <4>[ 44.410125] Call Trace: <4>[ 44.413145] ? __die_body.cold+0x1a/0x1f <4>[ 44.417815] ? no_context+0x177/0x380 <4>[ 44.422194] ? exc_page_fault+0x53/0x170 <4>[ 44.426862] ? asm_exc_page_fault+0x1e/0x30 <4>[ 44.431825] ? lkdtm_ACCESS_NULL+0x14/0x53 <4>[ 44.436687] ? lkdtm_ACCESS_NULL+0x14/0x53 <4>[ 44.441550] direct_entry.cold+0x2c/0x38 <4>[ 44.446212] full_proxy_write+0x53/0x80 <4>[ 44.450784] vfs_write+0xe7/0x3b0 <4>[ 44.454773] ksys_write+0x68/0xf0 <4>[ 44.458753] do_syscall_64+0x30/0x40 <4>[ 44.463025] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 44.468945] RIP: 0033:0x7fa7cb058473 <4>[ 44.473223] 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 <4>[ 44.494498] RSP: 002b:00007ffc24646d88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 44.503244] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fa7cb058473 <4>[ 44.511506] RDX: 000000000000000c RSI: 00007fa7caf4c000 RDI: 0000000000000001 <4>[ 44.519765] RBP: 00007fa7caf4c000 R08: 00007fa7caf4b010 R09: 0000000000000000 <4>[ 44.528025] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 44.536286] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 56006 CR4: 00000000003706e0 # [ 39.856484] Call Trace: # [ <4>[ 44.544549] 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_sysfs uvcvideo cros_usbpd_logger cros_ec_chardev videobuf2_vmalloc cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common cros_usbpd_notify snd_pcm_dmaengine regmap_i2c i2c_hid cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 44.603538] CR2: 0000000000000000 <4>[ 44.607528] ---[ end trace 10c52649da3a304c ]--- <4>[ 44.612973] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 44.617657] Code: 89 ff e8 5e d2 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 d0 9a 2a 03 39.859506] ? __die_body.cold+0x1a/0x1f # [ 39.864176] ? no<4>[ 44.638941] RSP: 0018:ffff9461c1327e60 EFLAGS: 00010282 <4>[ 44.651278] RAX: ffffffff9d97c220 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 44.659538] RDX: 0000000000000000 RSI: ffff88ff3ac9bf50 RDI: ffffffff9ed94030 <4>[ 44.667798] RBP: ffffffff9f27e9e8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 44.676059] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 44.684319] R13: ffff9461c1327f10 R14: ffff9461c1327f10 R15: ffff88fec3073000 <4>[ 44.692578] FS: 00007fa7cb142580(0000) GS:ffff88ff3ad00000(0000) knlGS:0000000000000000 <4>[ 44.701908] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 44.708613] CR2: 0000000000000000 CR3: 0000000102c88004 CR4: 00000000003706e0 <3>[ 44.716874] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 44.727078] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1869, name: cat <4>[ 44.735825] INFO: lockdep is turned off. <4>[ 44.740494] irq event stamp: 0 <4>[ 44.744191] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 44.751480] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 44.760898] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 44.770323] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 44.777613] CPU: 2 PID: 1869 Comm: cat Tainted: G D W 5.10.209-cip44 #1 <4>[ 44.786553] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 44.793665] Call Trace: <4>[ 44.796685] dump_stack+0x77/0x9b <4>[ 44.800675] ___might_sleep.cold+0xa6/0xb6 <4>[ 44.805539] exit_signals+0x1c/0x300 <4>[ 44.809820] do_exit+0xc2/0xab0 <4>[ 44.813614] ? ksys_write+0x68/0xf0 <4>[ 44.817797] make_task_dead+0x2f/0x30 <4>[ 44.822175] rewind_stack_and_make_dead+0x17/0x20 <4>[ 44.827721] RIP: 0033:0x7fa7cb058473 <4>[ 44.832001] 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 <4>[ 44.853278] RSP: 002b:00007ffc24646d88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 44.862024] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fa7cb058473 <4>[ 44.870284] RDX: 000000000000000c RSI: 00007fa7caf4c000 RDI: 0000000000000001 <4>[ 44.878546] RBP: 00007fa7caf4c000 R08: 00007fa7caf4b010 R09: 0000000000000000 <4>[ 44.886807] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 44.895067] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 _context+0x177/0x380 # [ 39.868555] ? exc_page_fault+0xd7/0x170 # [ 39.873223] ? asm_exc_page_fault+0x1e/0x30 # [ 39.878185] ? execute_location+0x45/0x56 # [ 39.882949] ? lkdtm_EXEC_STACK+0x26/0x44 # [ 39.887719] ? direct_entry.cold+0x2c/0x38 # [ 39.892583] ? full_proxy_write+0x53/0x80 # [ 39.897351] ? vfs_write+0xe7/0x3b0 # [ 39.901532] ? ksys_write+0x68/0xf0 # [ 39.905728] ? do_syscall_64+0x30/0x40 # [ 39.910202] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 39.916328] 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_sysfs uvcvideo cros_usbpd_logger cros_ec_chardev videobuf2_vmalloc cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common cros_usbpd_notify snd_pcm_dmaengine regmap_i2c i2c_hid cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 39.975323] CR2: ffff9461c21f7e18 # [ 39.979312] ---[ end trace 10c52649da3a3045 ]--- # [ 39.984<6>[ 45.012422] lkdtm: Performing direct entry WRITE_RO 758] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 39.989417] Code: 89 ff <6>[ 45.021013] lkdtm: attempting bad rodata write at ffffffff9ed944b0 e8 5e d2 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c<1>[ 45.034448] BUG: unable to handle page fault for address: ffffffff9ed944b0 <1>[ 45.048594] #PF: supervisor write access in kernel mode <1>[ 45.054719] #PF: error_code(0x0003) - permissions violation <6>[ 45.061231] PGD 135a29067 P4D 135a29067 PUD 135a2a063 PMD 80000001352000e1 <4>[ 45.069300] Oops: 0003 [#14] SMP PTI <4>[ 45.073581] CPU: 0 PID: 1905 Comm: cat Tainted: G D W 5.10.209-cip44 #1 <4>[ 45.082522] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 45.089620] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a <4>[ 45.094878] Code: 00 48 c7 c7 28 b1 21 9f 48 c7 c6 b0 44 d9 9e e8 a0 d9 fb ff 48 8b 05 a4 0d d5 00 ba 34 12 cd ab 48 c7 c7 58 b1 21 9f 48 31 d0 <48> 89 05 8e 0d d5 00 e9 7e d9 fb ff 0f 1f 44 00 00 48 8b 05 1d cc <4>[ 45.116148] RSP: 0018:ffff9461c2667e60 EFLAGS: 00010202 <4>[ 45.122273] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 <4>[ 45.130535] RDX: 00000000abcd1234 RSI: ffff88ff3ac1bf50 RDI: ffffffff9f21b158 <4>[ 45.138796] RBP: ffffffff9f21a345 R08: 0000000000000000 R09: 0000000000000000 <4>[ 45.147059] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 <4>[ 45.155321] R13: ffff9461c2667f10 R14: ffff9461c2667f10 R15: ffff88fec6511000 <4>[ 45.163583] FS: 00007fe769d00580(0000) GS:ffff88ff3ac00000(0000) knlGS:0000000000000000 <4>[ 45.172905] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 45.179613] CR2: ffffffff9ed944b0 CR3: 00000001034cc002 CR4: 00000000003706f0 <4>[ 45.187875] Call Trace: <4>[ 45.190897] ? __die_body.cold+0x1a/0x1f <4>[ 45.195573] ? no_context+0x177/0x380 <4>[ 45.199953] ? exc_page_fault+0xd7/0x170 <4>[ 45.204629] ? asm_exc_page_fault+0x1e/0x30 <4>[ 45.209591] ? lkdtm_WRITE_RO+0x2e/0x3a <4>[ 45.214168] direct_entry.cold+0x2c/0x38 <4>[ 45.218838] full_proxy_write+0x53/0x80 <4>[ 45.223417] vfs_write+0xe7/0x3b0 <4>[ 45.227406] ksys_write+0x68/0xf0 <4>[ 45.231387] do_syscall_64+0x30/0x40 <4>[ 45.235667] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 45.241591] RIP: 0033:0x7fe769c16473 <4>[ 45.245870] 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 <4>[ 45.267148] RSP: 002b:00007ffc3276d418 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 45.275888] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007fe769c16473 <4>[ 45.284150] RDX: 0000000000000009 RSI: 00007fe769b0a000 RDI: 0000000000000001 <4>[ 45.292410] RBP: 00007fe769b0a000 R08: 00007fe769b09010 R09: 0000000000000000 <4>[ 45.300674] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 45.308927] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 45.317191] 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_sysfs uvcvideo cros_usbpd_logger cros_ec_chardev videobuf2_vmalloc cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common cros_usbpd_notify snd_pcm_dmaengine regmap_i2c i2c_hid cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 45.369966] CR2: ffffffff9ed944b0 <4>[ 45.373954] ---[ end trace 10c52649da3a304d ]--- <4>[ 45.379400] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 45.384058] Code: 89 ff e8 5e d2 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 d0 9a 2a 03 <4>[ 45.405335] RSP: 0018:ffff9461c1327e60 EFLAGS: 00010282 <4>[ 45.411460] RAX: ffffffff9d97c220 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 45.419723] RDX: 0000000000000000 RSI: ffff88ff3ac9bf50 RDI: ffffffff9ed94030 <4>[ 45.427984] RBP: ffffffff9f27e9e8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 45.436245] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 45.444505] R13: ffff9461c1327f10 R14: ffff9461c1327f10 R15: ffff88fec3073000 <4>[ 45.452767] FS: 00007fe769d00580(0000) GS:ffff88ff3ac00000(0000) knlGS:0000000000000000 <4>[ 45.462097] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 45.468806] CR2: ffffffff9ed944b0 CR3: 00000001034cc002 CR4: 00000000003706f0 3 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 d0 9a 2a 03 # [ 40.010686] RSP: 0018:ffff9461c1327e60 EFLAGS: 00010282 # [ 40.016803] RAX: ffffffff9d97c220 RBX: 0000000000000001 RCX: 0000000000000000 # [ 40.025063] RDX: 0000000000000000 RSI: ffff88ff3ac9bf50 RDI: ffffffff9ed94030 # [ 40.033324] RBP: ffffffff9f27e9e8 R08: 0000000000000001 R09: 0000000000000001 # [ 40.041584] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 40.049845] R13: ffff9461c1327f10 R14: ffff9461c1327f10 R15: ffff88fec3073000 # [ 40.058106] FS: 00007f73ce840580(0000) GS:ffff88ff3ad80000(0000) knlGS:0000000000000000 # [ 40.067435] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 40.074142] CR2: ffff9461c21f7e18 CR3: 0000000105b56006 CR4: 00000000003706e0 # EXEC_STACK: saw 'call trace:': ok ok 31 selftests: lkdtm: EXEC_STACK.sh # selftests: lkdtm: EXEC_KMALLOC.sh # Killed # [ 40.181600] lkdtm: Performing direct entry EXEC_KMALLOC # [ 40.188021] lkdtm: attempting ok execution at ffffffff9d97c5f0 # [ 40.201043] lkdtm: attempting bad execution at ffff88fec2c86d00 # [ 40.214168] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 40.229031] BUG: unable to handle page fault for address: ffff88fec2c86d00 # [ 40.237003] #PF: supervisor instruction fetch in kernel mode # [ 40.243615] #PF: error_code(0x0011) - permissions violation # [ 40.256343] PGD 137401067 P4D 137401067 PUD 10024a063 PMD 10601e063 PTE 8000000102c86063 # [ 40.265678] Oops: 0011 [#7] SMP PTI # [ 40.276074] CPU: 1 PID: 1649 Comm: cat Tai<6>[ 45.635211] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT nted: G D W 5.10.209-cip44 #1 # [ 40.285016] Har<6>[ 45.645516] lkdtm: attempting bad ro_after_init write at ffffffff9f2a0350 dware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 40.292<1>[ 45.659641] BUG: unable to handle page fault for address: ffffffff9f2a0350 <1>[ 45.673780] #PF: supervisor write access in kernel mode <1>[ 45.679895] #PF: error_code(0x0003) - permissions violation <6>[ 45.686407] PGD 135a29067 P4D 135a29067 PUD 135a2a063 PMD 1053b9063 PTE 80000001358a0061 <4>[ 45.695747] Oops: 0003 [#15] SMP PTI <4>[ 45.700027] CPU: 0 PID: 1941 Comm: cat Tainted: G D W 5.10.209-cip44 #1 <4>[ 45.708969] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 45.716068] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a <4>[ 45.722387] Code: b1 21 9f e9 52 d9 fb ff 48 c7 c7 b0 b1 21 9f e8 46 d9 fb ff 48 8b 05 ea cb 25 01 ba 34 12 cd ab 48 c7 c7 58 b1 21 9f 48 31 d0 <48> 89 05 d4 cb 25 01 e9 24 d9 fb ff 0f 1f 44 00 00 41 54 48 c7 c7 <4>[ 45.743667] RSP: 0018:ffff9461c26e7e60 EFLAGS: 00010202 <4>[ 45.749792] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 <4>[ 45.758053] RDX: 00000000abcd1234 RSI: ffff88ff3ac1bf50 RDI: ffffffff9f21b158 <4>[ 45.766314] RBP: ffffffff9f21a34e R08: 0000000000000000 R09: 0000000000000000 <4>[ 45.774575] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 <4>[ 45.782836] R13: ffff9461c26e7f10 R14: ffff9461c26e7f10 R15: ffff88fec4aa2000 <4>[ 45.791098] FS: 00007f20ecf54580(0000) GS:ffff88ff3ac00000(0000) knlGS:0000000000000000 <4>[ 45.800429] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 45.807137] CR2: ffffffff9f2a0350 CR3: 00000001034cc005 CR4: 00000000003706f0 <4>[ 45.815398] Call Trace: <4>[ 45.818418] ? __die_body.cold+0x1a/0x1f <4>[ 45.823092] ? no_context+0x177/0x380 <4>[ 45.827464] ? exc_page_fault+0xd7/0x170 <4>[ 45.832139] ? asm_exc_page_fault+0x1e/0x30 <4>[ 45.837101] ? lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a <4>[ 45.842747] direct_entry.cold+0x2c/0x38 <4>[ 45.847417] full_proxy_write+0x53/0x80 <4>[ 45.851990] vfs_write+0xe7/0x3b0 <4>[ 45.855979] ksys_write+0x68/0xf0 <4>[ 45.859969] do_syscall_64+0x30/0x40 <4>[ 45.864250] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 45.870182] RIP: 0033:0x7f20ece6a473 <4>[ 45.874461] 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 <4>[ 45.895738] RSP: 002b:00007ffd44e3cd48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 45.904485] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f20ece6a473 <4>[ 45.912746] RDX: 0000000000000014 RSI: 00007f20ecd5e000 RDI: 0000000000000001 <4>[ 45.921007] RBP: 00007f20ecd5e000 R08: 00007f20ecd5d010 R09: 0000000000000000 <4>[ 45.929267] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 45.937528] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 45.945792] 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_sysfs uvcvideo cros_usbpd_logger cros_ec_chardev videobuf2_vmalloc cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common cros_usbpd_notify snd_pcm_dmaengine regmap_i2c i2c_hid cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 45.998567] CR2: ffffffff9f2a0350 <4>[ 46.002556] ---[ end trace 10c52649da3a304e ]--- <4>[ 46.008004] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 46.012672] Code: 89 ff e8 5e d2 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 d0 9a 2a 03 <4>[ 46.033948] RSP: 0018:ffff9461c1327e60 EFLAGS: 00010282 <4>[ 46.040065] RAX: ffffffff9d97c220 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 46.048328] RDX: 0000000000000000 RSI: ffff88ff3ac9bf50 RDI: ffffffff9ed94030 <4>[ 46.056589] RBP: ffffffff9f27e9e8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 46.064852] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 46.073114] R13: ffff9461c1327f10 R14: ffff9461c1327f10 R15: ffff88fec3073000 <4>[ 46.081374] FS: 00007f20ecf54580(0000) GS:ffff88ff3ac00000(0000) knlGS:0000000000000000 <4>[ 46.090703] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 46.097410] CR2: ffffffff9f2a0350 CR3: 00000001034cc005 CR4: 00000000003706f0 <3>[ 46.105673] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 46.115868] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1941, name: cat <4>[ 46.124615] INFO: lockdep is turned off. <4>[ 46.129281] irq event stamp: 0 <4>[ 46.132979] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 46.140262] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 46.149689] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 46.159106] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 46.166395] CPU: 0 PID: 1941 Comm: cat Tainted: G D W 5.10.209-cip44 #1 <4>[ 46.175337] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 46.182431] Call Trace: <4>[ 46.185450] dump_stack+0x77/0x9b <4>[ 46.189440] ___might_sleep.cold+0xa6/0xb6 <4>[ 46.194303] exit_signals+0x1c/0x300 <4>[ 46.198589] do_exit+0xc2/0xab0 <4>[ 46.202383] ? ksys_write+0x68/0xf0 <4>[ 46.206566] make_task_dead+0x2f/0x30 <4>[ 46.210934] rewind_stack_and_make_dead+0x17/0x20 <4>[ 46.216475] RIP: 0033:0x7f20ece6a473 <4>[ 46.220753] 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 <4>[ 46.242027] RSP: 002b:00007ffd44e3cd48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 46.250776] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f20ece6a473 <4>[ 46.259029] RDX: 0000000000000014 RSI: 00007f20ecd5e000 RDI: 0000000000000001 <4>[ 46.267288] RBP: 00007f20ecd5e000 R08: 00007f20ecd5d010 R09: 0000000000000000 <4>[ 46.275548] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 46.283810] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 113] RIP: 0010:0xffff88fec2c86d00 # [ 40.296774] Code: ff ff 40 db 18 c4 fe 88 ff ff 80 db 18 c4 fe 88 ff ff 00 00 00 00 00 00 00 00 00 00 00 00 40 00 38 00 09 00 40 00 18 00 17 00 <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 # [ 40.318049] RSP: 0018:ffff9461c2287e38 EFLAGS: 00010246 # [ 40.324174] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 40.332437] RDX: 0000000000000000 RSI: ffff88ff3ac9bf50 RDI: ffff88ff3ac9bf50 # [ 40.340698] RBP: ffff88fec2c86d00 R08: 0000000000000000 R09: 0000000000000000 # [ 40.348960] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 40.357222] R13: ffff9461c2287f10 R14: ffff9461c2287f10 R15: ffff88fec320d000 # [ 40.365482] FS: 00007fc2a4452580(0000) GS:ffff88ff3ac80000(0000) knlGS:0000000000000000 # [ 40.374810] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 40.381516] CR2: ffff88fec2c86d00 CR3: 0000000105ade005 CR4: 00000000003706e0 # [ 40.389778] Call Trace: # [ 40.392799] ? __die_body.cold+0x1a/0x1f # [ 40.403687] ? no_context+0x177/0x380 # [ 40.408069] ? exc_page_fault+0xd7/0x170 # [ 40.418949] ? asm_exc_page_fault+0x1e/0x30 # [ 40.423913] ? execute_location+0x45/0x56 # [ 40.434894] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 # [ 40.439854] ? direct_entry.cold+0x2c/0x38 # [ 40.444725] ? full_proxy_write+0x53/0x80 # [ 40.449485] ? vfs_write+0xe7/0x3b0 # [ 40.459882] ? ksys_write+0x68/0xf0 # [ 40.464066] ? do_syscall_64+0x30/0x40 # [ 40.468531] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 40.474670] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_<6>[ 46.458175] lkdtm: Performing direct entry WRITE_KERN <6>[ 46.465849] lkdtm: attempting bad 7106710 byte write at ffffffff9e043686 <1>[ 46.473683] BUG: unable to handle page fault for address: ffffffff9e043686 buf industrialio snd_soc_da7219 cros_ec_debugfs cros_ec_sysfs uv<1>[ 46.481676] #PF: supervisor write access in kernel mode <1>[ 46.494006] #PF: error_code(0x0003) - permissions violation cv[ 46.500521] PGD 135a29067 P4D 135a29067 PUD 135a2a063 PMD 1346000e1 <4>[ 46.514130] Oops: 0003 [#16] SMP PTI <4>[ 46.518404] CPU: 2 PID: 1977 Comm: cat Tainted: G D W 5.10.209-cip44 #1 <4>[ 46.527346] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 ec<_lightbar cros_usbpd_charger cros_ec_sensorhub videobuf2_memop4>[ 46.534445] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e <4>[ 46.546109] Code: 53 48 c7 c3 86 36 04 9e 49 89 dc 48 89 da 49 81 ec f0 c5 97 9d 4c 89 e6 e8 f9 d8 fb ff 48 89 df 4c 89 e1 48 c7 c6 f0 c5 97 9d a4 48 c7 c7 58 b1 21 9f e8 de d8 fb ff 5b 41 5c e9 b7 fe ff ff <4>[ 46.567377] RSP: 0018:ffff9461c2787e50 EFLAGS: 00010246 <4>[ 46.573502] RAX: 000000000000003c RBX: ffffffff9e043686 RCX: 00000000006c7096 <4>[ 46.581764] RDX: 0000000000000000 RSI: ffffffff9d97c5f0 RDI: ffffffff9e043686 <4>[ 46.590024] RBP: ffffffff9f21a362 R08: 0000000000000000 R09: 0000000000000000 <4>[ 46.598286] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000006c7096 <4>[ 46.606548] R13: ffff9461c2787f10 R14: ffff9461c2787f10 R15: ffff88fec3340000 <4>[ 46.614810] FS: 00007efd698c8580(0000) GS:ffff88ff3ad00000(0000) knlGS:0000000000000000 <4>[ 46.624139] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 46.630846] CR2: ffffffff9e043686 CR3: 0000000103090002 CR4: 00000000003706e0 <4>[ 46.639107] Call Trace: <4>[ 46.642126] ? __die_body.cold+0x1a/0x1f <4>[ 46.646796] ? no_context+0x177/0x380 <4>[ 46.651166] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 <4>[ 46.656903] ? exc_page_fault+0xd7/0x170 <4>[ 46.661573] ? asm_exc_page_fault+0x1e/0x30 <4>[ 46.666533] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 <4>[ 46.672272] ? lkdtm_SLAB_FREE_PAGE+0x40/0x40 <4>[ 46.677426] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 <4>[ 46.683164] ? lkdtm_WRITE_KERN+0x38/0x4e <4>[ 46.687921] direct_entry.cold+0x2c/0x38 <4>[ 46.692591] full_proxy_write+0x53/0x80 <4>[ 46.697155] vfs_write+0xe7/0x3b0 <4>[ 46.701143] ksys_write+0x68/0xf0 <4>[ 46.705133] do_syscall_64+0x30/0x40 <4>[ 46.709405] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 46.715338] RIP: 0033:0x7efd697de473 <4>[ 46.719618] 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 <4>[ 46.740887] RSP: 002b:00007ffc6633d4a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 46.749634] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007efd697de473 <4>[ 46.757896] RDX: 000000000000000b RSI: 00007efd696d2000 RDI: 0000000000000001 <4>[ 46.766157] RBP: 00007efd696d2000 R08: 00007efd696d1010 R09: 0000000000000000 <4>[ 46.774419] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 46.782680] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 s snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_<4>[ 46.790944] 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_sysfs uvcvideo cros_usbpd_logger cros_ec_chardev videobuf2_vmalloc cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common cros_usbpd_notify snd_pcm_dmaengine regmap_i2c i2c_hid cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 46.849946] CR2: ffffffff9e043686 <4>[ 46.853934] ---[ end trace 10c52649da3a304f ]--- <4>[ 46.859380] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 46.864047] Code: 89 ff e8 5e d2 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 d0 9a 2a 03 <4>[ 46.885322] RSP: 0018:ffff9461c1327e60 EFLAGS: 00010282 <4>[ 46.891447] RAX: ffffffff9d97c220 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 46.899722] RDX: 0000000000000000 RSI: ffff88ff3ac9bf50 RDI: ffffffff9ed94030 <4>[ 46.907984] RBP: ffffffff9f27e9e8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 46.916247] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 46.924508] R13: ffff9461c1327f10 R14: ffff9461c1327f10 R15: ffff88fec3073000 <4>[ 46.932771] FS: 00007efd698c8580(0000) GS:ffff88ff3ad00000(0000) knlGS:0000000000000000 <4>[ 46.942091] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 46.948797] CR2: ffffffff9e043686 CR3: 0000000103090002 CR4: 00000000003706e0 dev snd_compress videobuf2_common cros_usbpd_notify snd_pcm_dmaengine regmap_i2c i2c_hid cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 40.533631] CR2: ffff88fec2c86d00 # [ 40.537621] ---[ end trace 10c52649da3a3046 ]--- # [ 40.543067] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 40.547737] Code: 89 ff e8 5e d2 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 d0 9a 2a 03 # [ 40.575224] RSP: 0018:ffff9461c1327e60 EFLAGS: 00010282 # [ 40.581348] RAX: ffffffff9d97c220 RBX: 0000000000000001 RCX: 0000000000000000 # [ 40.589608] RDX: 0000000000000000 RSI: ffff88ff3ac9bf50 RDI: ffffffff9ed94030 # [ 40.597868] RBP: ffffffff9f27e9e8 R08: 0000000000000001 R09: 0000000000000001 # [ 40.606128] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 40.614389] R13: ffff9461c1327f10 R14: ffff9461c1327f10 R15: ffff88fec3073000 # [ 40.622668] FS: 00007fc2a4452580(0000) GS:ffff88ff3ac80000(0000) knlGS:0000000000000000 # [ 40.631999] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 40.638717] CR2: ffff88fec2c86d00 CR3: 0000000105ade005 CR4: 00000000003706e0 # [ 40.646978] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 40.657183] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1649, name: cat # [ 40.665929] INFO: lockdep is turned off. <6>[ 47.099802] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW <6>[ 47.107118] lkdtm: attempting good refcount_inc() without overflow <6>[ 47.114316] lkdtm: attempting bad refcount_inc() overflow <4>[ 47.120644] ------------[ cut here ]------------ <4>[ 47.126093] refcount_t: saturated; leaking memory. <4>[ 47.131764] WARNING: CPU: 3 PID: 2013 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 40.670596] irq event stamp: 0 # [ 40.674293] hardirqs <4>[ 47.141492] 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_sysfs uvcvideo cros_usbpd_logger cros_ec_chardev videobuf2_vmalloc cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common cros_usbpd_notify snd_pcm_dmaengine regmap_i2c i2c_hid cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 47.200452] CPU: 3 PID: 2013 Comm: cat Tainted: G D W 5.10.209-cip44 #1 <4>[ 47.209401] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 last enabled at (0): [<0000000000000000>] 0x0 # [ 40.681575]<4>[ 47.216512] RIP: 0010:refcount_warn_saturate+0x51/0x110 <4>[ 47.228846] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d f9 ea 36 02 00 75 ee 48 c7 c7 f8 4d 17 9f c6 05 e9 ea 36 02 01 e8 89 2d c4 00 <0f> 0b c3 cc cc cc cc 80 3d d5 ea 36 02 00 75 cb 48 c7 c7 20 4e 17 <4>[ 47.250147] RSP: 0018:ffff9461c2817e48 EFLAGS: 00010286 <4>[ 47.256276] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 <4>[ 47.264539] RDX: ffff88ff3adac620 RSI: ffff88ff3ad9bf50 RDI: ffff88ff3ad9bf50 <4>[ 47.272803] RBP: ffffffff9f21a36d R08: 0000000000000000 R09: 0000000000000000 <4>[ 47.281067] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 <4>[ 47.289330] R13: ffff9461c2817f10 R14: ffff9461c2817f10 R15: ffff88fec2ee0000 <4>[ 47.297595] FS: 00007f882f827580(0000) GS:ffff88ff3ad80000(0000) knlGS:0000000000000000 <4>[ 47.306929] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 47.313659] CR2: 00007f882f631000 CR3: 0000000106010002 CR4: 00000000003706e0 hardirqs last disabled at (0): [] copy_proces<4>[ 47.321932] Call Trace: s+0x65c/0x20e0 # [ 40.691003] softirqs last enabled at (0): <4>[ 47.331173] ? __warn+0x80/0x110 [] copy_process+0x65c/0x20e0 # [ 40.700421]<4>[ 47.341277] ? refcount_warn_saturate+0x51/0x110 <4>[ 47.352943] ? report_bug+0x9e/0xc0 <4>[ 47.357153] ? handle_bug+0x41/0x90 <4>[ 47.361371] ? exc_invalid_op+0x14/0x70 <4>[ 47.365946] ? asm_exc_invalid_op+0x12/0x20 softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ <4>[ 47.370915] ? refcount_warn_saturate+0x51/0x110 <4>[ 47.382576] ? refcount_warn_saturate+0x51/0x110 <4>[ 47.388025] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 40.707724] CPU: 1 PID: 1649 Comm: cat Tainted: G D W <4>[ 47.393675] direct_entry.cold+0x2c/0x38 <4>[ 47.404556] full_proxy_write+0x53/0x80 5.10.209-cip44 #1 # [ 40.716666] Hardware name: Google Ramm<4>[ 47.409159] vfs_write+0xe7/0x3b0 <4>[ 47.419377] ksys_write+0x68/0xf0 us/Rammus, BIOS 09/04/2020 # [ 40.723762] Call Trace: # [ <4>[ 47.423380] do_syscall_64+0x30/0x40 <4>[ 47.433872] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 47.439808] RIP: 0033:0x7f882f73d473 <4>[ 47.444091] 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 <4>[ 47.465369] RSP: 002b:00007fffe2505cd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 47.474144] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f882f73d473 <4>[ 47.482409] RDX: 0000000000000016 RSI: 00007f882f631000 RDI: 0000000000000001 <4>[ 47.490674] RBP: 00007f882f631000 R08: 00007f882f630010 R09: 0000000000000000 40.726782] dump_stack+0x77/0x9b # [ 40.730773] ___might_sl<4>[ 47.498941] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 47.513418] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 47.521686] irq event stamp: 0 <4>[ 47.525390] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 47.532685] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 47.542115] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 47.551544] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 47.558837] ---[ end trace 10c52649da3a3050 ]--- <6>[ 47.564284] lkdtm: Overflow detected: saturated eep.cold+0xa6/0xb6 # [ 40.741848] exit_signals+0x1c/0x300 # [ 40.746130] do_exit+0xc2/0xab0 # [ 40.749916] ? ksys_write+0x68/0xf0 # [ 40.754100] make_task_dead+0x2f/0x30 # [ 40.758477] rewind_stack_and_make_dead+0x17/0x20 # [ 40.764020] RIP: 0033:0x7fc2a4368473 # [ 40.768299] 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 # [ 40.789575] RSP: 002b:00007ffc77f9b398 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 40.798324] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007fc2a4368473 # [ 40.806586] RDX: 000000000000000d RSI: 00007fc2a425c000 RDI: 0000000000000001 # [ 40.814846] RBP: 00007fc2a425c000 R08: 00007fc2a425b010 R09: 0000000000000000 # [ 40.823107] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 40.831367] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_KMALLOC: saw 'call trace:': ok ok 32 selftests: lkdtm: EXEC_KMALLOC.sh # selftests: lkdtm: EXEC_VMALLOC.sh # Killed # [ 40.961<6>[ 47.680679] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW 389] lkdtm: Performing direct entry EXEC_VMALLOC # [ 40.97009<6>[ 47.688562] lkdtm: attempting good refcount_add() without overflow 8] lkdtm: attempting ok execution at ffffffff9d97c5f0 # [ 40.<6>[ 47.701978] lkdtm: attempting bad refcount_add() overflow 976948] lkdtm: attempting bad execution at ffff9461c032b000 # [<4>[ 47.714510] ------------[ cut here ]------------ 40.983906] kernel tried to execute NX-protected page - exploi<4>[ 47.726172] refcount_t: saturated; leaking memory. t attempt? (uid: 0) # [ 40.992567] BUG: unable to handle page<4>[ 47.738062] WARNING: CPU: 1 PID: 2046 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 fault for address: ffff9461c032b000 # [ 41.000536] #PF: supe<4>[ 47.753970] 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_sysfs uvcvideo cros_usbpd_logger cros_ec_chardev videobuf2_vmalloc cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common cros_usbpd_notify snd_pcm_dmaengine regmap_i2c i2c_hid cros_kbd_led_backlight chromeos_pstore coreboot_table rvisor instruction fetch in kernel mode # [ 41.007146] #PF: e<4>[ 47.812961] CPU: 1 PID: 2046 Comm: cat Tainted: G D W 5.10.209-cip44 #1 rror_code(0x0011) - permissions violation # [ 41.013666] PGD <4>[ 47.828095] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 100000067 P4D 100000067 PUD 100245067 PMD 1009cc067 PTE 80000001<4>[ 47.841408] RIP: 0010:refcount_warn_saturate+0x51/0x110 <4>[ 47.853751] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d f9 ea 36 02 00 75 ee 48 c7 c7 f8 4d 17 9f c6 05 e9 ea 36 02 01 e8 89 2d c4 00 <0f> 0b c3 cc cc cc cc 80 3d d5 ea 36 02 00 75 cb 48 c7 c7 20 4e 17 03810063 # [ 41.022998] Oops: 0011 [#8] SMP PTI # [ 41.027<4>[ 47.875028] RSP: 0018:ffff9461c2897e48 EFLAGS: 00010286 <4>[ 47.887365] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 180] CPU: 2 PID: 1686 Comm: cat Tainted: G D W 5.10<4>[ 47.895631] RDX: ffff88ff3acac620 RSI: ffff88ff3ac9bf50 RDI: ffff88ff3ac9bf50 <4>[ 47.910104] RBP: ffffffff9f21a383 R08: 0000000000000000 R09: 0000000000000000 <4>[ 47.918373] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 <4>[ 47.926627] R13: ffff9461c2897f10 R14: ffff9461c2897f10 R15: ffff88fec5bb5000 <4>[ 47.934893] FS: 00007fcfe682b580(0000) GS:ffff88ff3ac80000(0000) knlGS:0000000000000000 .209-cip44 #1 # [ 41.036120] Hardware name: Google Rammus/Ram<4>[ 47.944227] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 47.957148] CR2: 00007fcfe6635000 CR3: 00000001065fa002 CR4: 00000000003706e0 <4>[ 47.965411] Call Trace: mus, BIOS 09/04/2020 # [ 41.043216] RIP: 0010:0xffff9461c032<4>[ 47.968439] ? __warn+0x80/0x110 <4>[ 47.978540] ? refcount_warn_saturate+0x51/0x110 b000 # [ 41.047884] Code: Unable to access opcode bytes at RI<4>[ 47.983990] ? report_bug+0x9e/0xc0 P 0xffff9461c032afd6. # [ 41.055853] RSP: 0018:ffff9461c2317e<4>[ 47.994389] ? handle_bug+0x41/0x90 38 EFLAGS: 00010246 # [ 41.061977] RAX: 0000000000000033 RBX:<4>[ 48.004788] ? exc_invalid_op+0x14/0x70 0000000000000001 RCX: 0000000000000000 # [ 41.070239] RDX: 0<4>[ 48.015580] ? asm_exc_invalid_op+0x12/0x20 000000000000000 RSI: ffff88ff3ad1bf50 RDI: ffff88ff3ad1bf50 # [<4>[ 48.026762] ? refcount_warn_saturate+0x51/0x110 41.078498] RBP: ffff9461c032b000 R08: 0000000000000000 R09: 0<4>[ 48.038423] ? refcount_warn_saturate+0x51/0x110 <4>[ 48.050088] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 000000000000000 # [ 41.086757] R10: 00000000ffffe000 R11: 3ff<4>[ 48.055733] direct_entry.cold+0x2c/0x38 fffffffffffff R12: 000000000000000d # [ 41.095015] R13: ffff9<4>[ 48.066617] full_proxy_write+0x53/0x80 461c2317f10 R14: ffff9461c2317f10 R15: ffff88fec3810000 # [ 4<4>[ 48.077406] vfs_write+0xe7/0x3b0 1.103278] FS: 00007f9ef60e9580(0000) GS:ffff88ff3ad00000(0000) <4>[ 48.087614] ksys_write+0x68/0xf0 knlGS:0000000000000000 # [ 41.112608] CS: 0010 DS: 0000 ES: <4>[ 48.097822] do_syscall_64+0x30/0x40 <4>[ 48.108323] entry_SYSCALL_64_after_hwframe+0x62/0xc7 0000 CR0: 0000000080050033 # [ 41.119316] CR2: ffff9461c032af<4>[ 48.114257] RIP: 0033:0x7fcfe6741473 <4>[ 48.124750] 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 d6 CR3: 0000000105aca005 CR4: 00000000003706e0 # [ 41.127575]<4>[ 48.146055] RSP: 002b:00007ffcfcb1f6c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 48.161015] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fcfe6741473 Call Trace: # [ 41.130595] ? __die_body.cold+0x1a/0x1f # [<4>[ 48.169281] RDX: 0000000000000016 RSI: 00007fcfe6635000 RDI: 0000000000000001 <4>[ 48.183757] RBP: 00007fcfe6635000 R08: 00007fcfe6634010 R09: 0000000000000000 41.135263] ? no_context+0x177/0x380 # [ 41.139634] ? exc<4>[ 48.192023] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 48.206499] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 _page_fault+0xd7/0x170 # [ 41.144303] ? asm_exc_page_fault+0<4>[ 48.214771] irq event stamp: 0 x1e/0x30 # [ 41.149266] ? execute_location+0x45/0x56 # [ <4>[ 48.224680] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 48.238190] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 41.154033] ? lkdtm_EXEC_VMALLOC+0x20/0x30 # [ 41.158994] ? <4>[ 48.247621] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 48.263261] softirqs last disabled at (0): [<0000000000000000>] 0x0 direct_entry.cold+0x2c/0x38 # [ 41.163859] ? full_proxy_writ<4>[ 48.270557] ---[ end trace 10c52649da3a3051 ]--- e+0x53/0x80 # [ 41.168625] ? vfs_write+0xe7/0x3b0 # [ 41.<6>[ 48.282218] lkdtm: Overflow detected: saturated 172807] ? ksys_write+0x68/0xf0 # [ 41.176990] ? do_syscall_64+0x30/0x40 # [ 41.181455] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 41.187573] 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_sysfs uvcvideo cros_usbpd_logger cros_ec_chardev videobuf2_vmalloc cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common cros_usbpd_notify snd_pcm_dmaengine regmap_i2c i2c_hid cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 41.246567] CR2: ffff9461c032b000 # [ 41.250559] ---[ end trace 10c52649da3a3047 ]--- # [ 41.262216] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 41.266884] Code: 89 ff e8 5e d2 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 d0 9a 2a 03 # [ 41.288158] RSP: 0018:ffff9461c1327e60 EFLAGS: 00010282 # [ 41.294281] RAX: ffffffff9d97c220 RBX: 0000<6>[ 48.402781] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW <6>[ 48.413543] lkdtm: attempting bad refcount_inc_not_zero() overflow <4>[ 48.420741] ------------[ cut here ]------------ <4>[ 48.426189] refcount_t: saturated; leaking memory. <4>[ 48.431861] WARNING: CPU: 3 PID: 2079 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 000000000001 RCX: 0000000000000000 # [ 41.302543] RDX: 000000<4>[ 48.441589] 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_sysfs uvcvideo cros_usbpd_logger cros_ec_chardev videobuf2_vmalloc cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common cros_usbpd_notify snd_pcm_dmaengine regmap_i2c i2c_hid cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 48.500552] CPU: 3 PID: 2079 Comm: cat Tainted: G D W 5.10.209-cip44 #1 <4>[ 48.509497] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 48.516596] RIP: 0010:refcount_warn_saturate+0x97/0x110 <4>[ 48.522724] Code: 02 01 e8 66 2d c4 00 0f 0b c3 cc cc cc cc 80 3d b4 ea 36 02 00 75 a8 48 c7 c7 f8 4d 17 9f c6 05 a4 ea 36 02 01 e8 43 2d c4 00 <0f> 0b c3 cc cc cc cc 80 3d 8e ea 36 02 00 75 85 48 c7 c7 50 4e 17 <4>[ 48.544002] RSP: 0018:ffff9461c290fe38 EFLAGS: 00010282 <4>[ 48.550132] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 0000000000 RSI: ffff88ff3ac9bf50 RDI: ffffffff9ed94030 # [ 41<4>[ 48.558400] RDX: ffff88ff3adac620 RSI: ffff88ff3ad9bf50 RDI: ffff88ff3ad9bf50 <4>[ 48.572879] RBP: ffffffff9f219fc0 R08: 0000000000000000 R09: 0000000000000000 <4>[ 48.581173] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f <4>[ 48.589437] R13: ffff9461c290ff10 R14: ffff9461c290ff10 R15: ffff88fec34a2000 <4>[ 48.597718] FS: 00007ff600678580(0000) GS:ffff88ff3ad80000(0000) knlGS:0000000000000000 <4>[ 48.607075] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 .310802] RBP: ffffffff9f27e9e8 R08: 0000000000000001 R09: 000000<4>[ 48.613797] CR2: 00007ff600482000 CR3: 000000010306e002 CR4: 00000000003706e0 <4>[ 48.628269] Call Trace: <4>[ 48.631295] ? __warn+0x80/0x110 <4>[ 48.635221] ? refcount_warn_saturate+0x97/0x110 0000000001 # [ 41.319063] R10: 00000000ffffe000 R11: 3fffffff<4>[ 48.640672] ? report_bug+0x9e/0xc0 <4>[ 48.651085] ? handle_bug+0x41/0x90 <4>[ 48.655297] ? exc_invalid_op+0x14/0x70 <4>[ 48.659874] ? asm_exc_invalid_op+0x12/0x20 <4>[ 48.664840] ? refcount_warn_saturate+0x97/0x110 ffffffff R12: 0000000000000004 # [ 41.327324] R13: ffff9461c1<4>[ 48.670316] ? refcount_warn_saturate+0x97/0x110 <4>[ 48.681974] __refcount_add_not_zero.constprop.0+0x2a/0x35 <4>[ 48.688393] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 <4>[ 48.694909] direct_entry.cold+0x2c/0x38 <4>[ 48.699608] full_proxy_write+0x53/0x80 <4>[ 48.704213] vfs_write+0xe7/0x3b0 <4>[ 48.708230] ksys_write+0x68/0xf0 <4>[ 48.712247] do_syscall_64+0x30/0x40 <4>[ 48.716530] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 48.722464] RIP: 0033:0x7ff60058e473 <4>[ 48.726747] 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 <4>[ 48.748024] RSP: 002b:00007fffc34c2488 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 48.756777] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007ff60058e473 <4>[ 48.765042] RDX: 000000000000001f RSI: 00007ff600482000 RDI: 0000000000000001 <4>[ 48.773306] RBP: 00007ff600482000 R08: 00007ff600481010 R09: 0000000000000000 <4>[ 48.781569] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 48.789833] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 48.798102] irq event stamp: 0 327f10 R14: ffff9461c1327f10 R15: ffff88fec3073000 # [ 41.335<4>[ 48.801828] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 48.815330] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 585] FS: 00007f9ef60e9580(0000) GS:ffff88ff3ad00000(0000) knlGS<4>[ 48.824764] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 48.840407] softirqs last disabled at (0): [<0000000000000000>] 0x0 :0000000000000000 # [ 41.344913] CS: 0010 DS: 0000 ES: 0000 <4>[ 48.847702] ---[ end trace 10c52649da3a3052 ]--- <6>[ 48.859361] lkdtm: Overflow detected: saturated CR0: 0000000080050033 # [ 41.351619] CR2: ffff9461c032afd6 CR3: 0000000105aca005 CR4: 00000000003706e0 # EXEC_VMALLOC: saw 'call trace:': ok ok 33 selftests: lkdtm: EXEC_VMALLOC.sh # selftests: lkdtm: EXEC_RODATA.sh # Killed # [ 41.484893] lkdtm: Performing direct entry EXEC_RODATA # [ 41.496636] lkdtm: attempting ok execution at ffffffff9d97c5f0 # [ 41.509657] lkdtm: attempting bad execution at ffffffff9ed944c0 # [ 41.522803] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 41.537665] BUG: unable to handle page fault for address: ffffffff9ed944c0 # [ 41.545635] #PF: supervisor instruction fetch in kernel mode # [ 41.552244] #PF: error_code(0x0011) - permissions violation # [ 41.558755] PGD 135a29067 P4D 135a29067 PUD 135a2a063 PMD 80000001352000e1 # [ 41.566826] Oops: 0011 [#9] SMP PTI # [ 41.570999] CPU: 0 PID: 1723 Comm: cat Tainted: G D W 5.10.209-cip44 #1 # [ 41.579938] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 41.587036] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 # [ 41.593068] Code: ff ff 7b 4c 04 9e ff ff ff ff 2a a5 21 9f ff ff ff ff c1 33 04 9e ff ff ff ff 55 aa 55 aa 00 00 00 00 00 00 00<6>[ 48.976971] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW <6>[ 48.990737] lkdtm: attempting bad refcount_add_not_zero() overflow <4>[ 48.997961] ------------[ cut here ]------------ <4>[ 49.003426] refcount_t: saturated; leaking memory. <4>[ 49.009101] WARNING: CPU: 3 PID: 2112 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0<4>[ 49.018832] 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_sysfs uvcvideo cros_usbpd_logger cros_ec_chardev videobuf2_vmalloc cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common cros_usbpd_notify snd_pcm_dmaengine regmap_i2c i2c_hid cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 49.077838] CPU: 3 PID: 2112 Comm: cat Tainted: G D W 5.10.209-cip44 #1 <4>[ 49.086785] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 49.093917] RIP: 0010:refcount_warn_saturate+0x97/0x110 <4>[ 49.100047] Code: 02 01 e8 66 2d c4 00 0f 0b c3 cc cc cc cc 80 3d b4 ea 36 02 00 75 a8 48 c7 c7 f8 4d 17 9f c6 05 a4 ea 36 02 01 e8 43 2d c4 00 <0f> 0b c3 cc cc cc cc 80 3d 8e ea 36 02 00 75 85 48 c7 c7 50 4e 17 <4>[ 49.121356] RSP: 0018:ffff9461c2987e38 EFLAGS: 00010282 0 54 68 69 73 20 69 # [ 41.614341] RSP: 0018:ffff9461c23afe48<4>[ 49.127487] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 <4>[ 49.141967] RDX: ffff88ff3adac620 RSI: ffff88ff3ad9bf50 RDI: ffff88ff3ad9bf50 <4>[ 49.150232] RBP: ffffffff9f219fe0 R08: 0000000000000000 R09: 0000000000000000 <4>[ 49.158496] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f <4>[ 49.166760] R13: ffff9461c2987f10 R14: ffff9461c2987f10 R15: ffff88fec318a000 <4>[ 49.175024] FS: 00007f590ef02580(0000) GS:ffff88ff3ad80000(0000) knlGS:0000000000000000 <4>[ 49.184378] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 EFLAGS: 00010246 # [ 41.620466] RAX: 0000000000000033 RBX: 0<4>[ 49.191103] CR2: 00007f590ed0c000 CR3: 0000000104198003 CR4: 00000000003706e0 <4>[ 49.205573] Call Trace: <4>[ 49.208597] ? __warn+0x80/0x110 000000000000000 RCX: 0000000000000000 # [ 41.628728] RDX: 000<4>[ 49.212517] ? refcount_warn_saturate+0x97/0x110 <4>[ 49.224176] ? report_bug+0x9e/0xc0 <4>[ 49.228364] ? handle_bug+0x41/0x90 <4>[ 49.232572] ? exc_invalid_op+0x14/0x70 <4>[ 49.237146] ? asm_exc_invalid_op+0x12/0x20 <4>[ 49.242112] ? refcount_warn_saturate+0x97/0x110 <4>[ 49.247590] ? refcount_warn_saturate+0x97/0x110 <4>[ 49.253038] __refcount_add_not_zero.constprop.0+0x2a/0x35 <4>[ 49.259457] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 <4>[ 49.265975] direct_entry.cold+0x2c/0x38 <4>[ 49.270667] full_proxy_write+0x53/0x80 <4>[ 49.275244] vfs_write+0xe7/0x3b0 <4>[ 49.279237] ksys_write+0x68/0xf0 <4>[ 49.283228] do_syscall_64+0x30/0x40 <4>[ 49.287511] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 49.293445] RIP: 0033:0x7f590ee18473 <4>[ 49.297727] 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 <4>[ 49.319005] RSP: 002b:00007ffd1aa1b7c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 49.327754] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f590ee18473 <4>[ 49.336019] RDX: 000000000000001f RSI: 00007f590ed0c000 RDI: 0000000000000001 <4>[ 49.344284] RBP: 00007f590ed0c000 R08: 00007f590ed0b010 R09: 0000000000000000 <4>[ 49.352546] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 49.360811] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 49.369076] irq event stamp: 0 <4>[ 49.372805] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 49.380098] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 49.389526] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 49.398954] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 49.406249] ---[ end trace 10c52649da3a3053 ]--- <6>[ 49.411697] lkdtm: Overflow detected: saturated 0000000000000 RSI: ffff88ff3ac1bf50 RDI: ffff88ff3ac1bf50 # [ 41.636979] RBP: ffffffff9ed944c0 R08: 0000000000000000 R09: 0000000000000000 # [ 41.645241] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 41.653501] R13: ffff9461c23aff10 R14: ffff9461c23aff10 R15: ffff88fec3f5e000 # [ 41.661763] FS: 00007f48d7c37580(0000) GS:ffff88ff3ac00000(0000) knlGS:0000000000000000 # [ 41.671082] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 41.677788] CR2: ffffffff9ed944c0 CR3: 00000001064c8004 CR4: 00000000003706f0 # [ 41.686048] Call Trace: # [ 41.689067] ? __die_body.cold+0x1a/0x1f # [ 41.693744] ? no_context+0x177/0x380 # [ 41.698123] ? exc_page_fault+0xd7/0x170 # [ 41.702799] ? asm_exc_page_fault+0x1e/0x30 # [ 41.707763] ? execute_location+0x45/0x56 # [ 41.712525] ? direct_entry.cold+0x2c/0x38 # [ 41.717382] ? full_proxy_write+0x53/0x80 # [ 41.722149] ? vfs_write+0xe7/0x3b0 # [ 41.726333] ? ksys_write+0x68/0xf0 # [ 41.730507] ? do_syscall_64+0x30/0x40 # [ 41.734982] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 41.741101] 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_sysfs uvcvideo cros_usbpd_logger c<6>[ 49.545065] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO <6>[ 49.554189] lkdtm: attempting good refcount_dec() <6>[ 49.559744] lkdtm: attempting bad refcount_dec() to zero <4>[ 49.566004] ------------[ cut here ]------------ <4>[ 49.571482] refcount_t: decrement hit 0; leaking memory. <4>[ 49.577748] WARNING: CPU: 2 PID: 2145 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 ros_ec_chardev videobuf2_vmalloc cros_ec_lightbar cros_usbpd_cha<4>[ 49.587476] 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_sysfs uvcvideo cros_usbpd_logger cros_ec_chardev videobuf2_vmalloc cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common cros_usbpd_notify snd_pcm_dmaengine regmap_i2c i2c_hid cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 49.646443] CPU: 2 PID: 2145 Comm: cat Tainted: G D W 5.10.209-cip44 #1 <4>[ 49.655417] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 49.662518] RIP: 0010:refcount_warn_saturate+0xfb/0x110 <4>[ 49.668667] Code: a8 4e 17 9f c6 05 55 ea 36 02 01 e8 f9 2c c4 00 0f 0b c3 cc cc cc cc 48 c7 c7 78 4e 17 9f c6 05 3c ea 36 02 01 e8 df 2c c4 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b <4>[ 49.689950] RSP: 0018:ffff9461c2a1fe48 EFLAGS: 00010286 <4>[ 49.696080] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 rger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v<4>[ 49.704346] RDX: ffff88ff3ad2c620 RSI: ffff88ff3ad1bf50 RDI: ffff88ff3ad1bf50 <4>[ 49.718829] RBP: ffffffff9f21a399 R08: 0000000000000000 R09: 0000000000000000 <4>[ 49.727125] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 <4>[ 49.735391] R13: ffff9461c2a1ff10 R14: ffff9461c2a1ff10 R15: ffff88fec385a000 4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2<4>[ 49.743673] FS: 00007f52be14a580(0000) GS:ffff88ff3ad00000(0000) knlGS:0000000000000000 <4>[ 49.759247] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 _common cros_usbpd_notify snd_pcm_dmaengine regmap_i2c i2c_hid c<4>[ 49.765973] CR2: 00007f52bdf54000 CR3: 0000000106510001 CR4: 00000000003706e0 <4>[ 49.780444] Call Trace: <4>[ 49.783469] ? __warn+0x80/0x110 <4>[ 49.787398] ? refcount_warn_saturate+0xfb/0x110 <4>[ 49.792878] ? report_bug+0x9e/0xc0 <4>[ 49.797066] ? handle_bug+0x41/0x90 <4>[ 49.801284] ? exc_invalid_op+0x14/0x70 <4>[ 49.805862] ? asm_exc_invalid_op+0x12/0x20 <4>[ 49.810859] ? refcount_warn_saturate+0xfb/0x110 <4>[ 49.816340] ? refcount_warn_saturate+0xfb/0x110 <4>[ 49.821820] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd <4>[ 49.827077] direct_entry.cold+0x2c/0x38 <4>[ 49.831772] full_proxy_write+0x53/0x80 <4>[ 49.836381] vfs_write+0xe7/0x3b0 <4>[ 49.840405] ksys_write+0x68/0xf0 <4>[ 49.844401] do_syscall_64+0x30/0x40 <4>[ 49.848721] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 49.854674] RIP: 0033:0x7f52be060473 ros_kbd_led_backlight chromeos_pstore coreboot_table # [ 41.7<4>[ 49.858966] 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 <4>[ 49.886455] RSP: 002b:00007ffe67b22dd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 49.895207] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f52be060473 <4>[ 49.903473] RDX: 0000000000000012 RSI: 00007f52bdf54000 RDI: 0000000000000001 <4>[ 49.911737] RBP: 00007f52bdf54000 R08: 00007f52bdf53010 R09: 0000000000000000 <4>[ 49.920004] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 49.928271] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 49.936541] irq event stamp: 0 <4>[ 49.940271] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 49.947567] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 49.956999] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 49.966432] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 49.973726] ---[ end trace 10c52649da3a3054 ]--- 93871] CR2: ffffffff9ed944c0 # [ 41.797858] ---[ end trace 10<6>[ 49.979176] lkdtm: Zero detected: saturated c52649da3a3048 ]--- # [ 41.803305] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 41.807973] Code: 89 ff e8 5e d2 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 d0 9a 2a 03 # [ 41.829245] RSP: 0018:ffff9461c1327e60 EFLAGS: 00010282 # [ 41.835369] RAX: ffffffff9d97c220 RBX: 0000000000000001 RCX: 0000000000000000 # [ 41.843630] RDX: 0000000000000000 RSI: ffff88ff3ac9bf50 RDI: ffffffff9ed94030 # [ 41.851891] RBP: ffffffff9f27e9e8 R08: 0000000000000001 R09: 0000000000000001 # [ 41.860151] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 41.868411] R13: ffff9461c1327f10 R14: ffff9461c1327f10 R15: ffff88fec3073000 # [ 41.876671] FS: 00007f48d7c37580(0000) GS:ffff88ff3ac00000(0000) knlGS:0000000000000000 # [ 41.885992] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 41.892697] CR2: ffffffff9ed944c0 CR3: 00000001064c8004 CR4: 00000000003706f0 # [ 41.900959] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 41.911163] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1723, name: cat # [ 41.919910] INFO: lockdep is turned off. # [ 41.924578] irq event stamp: 0 # [ 41.928275] hardirqs last enabled at (0): [<00<6>[ 50.118075] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE 00000000000000>] 0x0 # [ 41.935556] hardirqs last disabled at<6>[ 50.128174] lkdtm: attempting bad refcount_dec() below zero (0): [] copy_process+0x65c/0x20e0 # [ 41.9<4>[ 50.140920] ------------[ cut here ]------------ 44981] softirqs last enabled at (0): [] copy_<4>[ 50.152583] refcount_t: decrement hit 0; leaking memory. process+0x65c/0x20e0 # [ 41.954407] softirqs last disabled at<4>[ 50.165054] WARNING: CPU: 0 PID: 2181 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 (0): [<0000000000000000>] 0x0 # [ 41.961717] CPU: 0 PID: 172<4>[ 50.181000] 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_sysfs uvcvideo cros_usbpd_logger cros_ec_chardev videobuf2_vmalloc cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common cros_usbpd_notify snd_pcm_dmaengine regmap_i2c i2c_hid cros_kbd_led_backlight chromeos_pstore coreboot_table 3 Comm: cat Tainted: G D W 5.10.209-cip44 #1 # [ <4>[ 50.239964] CPU: 0 PID: 2181 Comm: cat Tainted: G D W 5.10.209-cip44 #1 41.970666] Hardware name: Google Rammus/Rammus, BIOS 09/04/202<4>[ 50.255144] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 0 # [ 41.977761] Call Trace: # [ 41.980779] dump_stack+0x<4>[ 50.268466] RIP: 0010:refcount_warn_saturate+0xfb/0x110 77/0x9b # [ 41.984768] ___might_sleep.cold+0xa6/0xb6 # [ <4>[ 50.280805] Code: a8 4e 17 9f c6 05 55 ea 36 02 01 e8 f9 2c c4 00 0f 0b c3 cc cc cc cc 48 c7 c7 78 4e 17 9f c6 05 3c ea 36 02 01 e8 df 2c c4 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 41.989631] exit_signals+0x1c/0x300 # [ 41.993911] do_exit+0<4>[ 50.308334] RSP: 0018:ffff9461c2abfe48 EFLAGS: 00010286 xc2/0xab0 # [ 41.997699] ? ksys_write+0x68/0xf0 # [ 42.00<4>[ 50.320661] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 1882] make_task_dead+0x2f/0x30 # [ 42.006251] rewind_stack_<4>[ 50.335154] RDX: ffff88ff3ac2c620 RSI: ffff88ff3ac1bf50 RDI: ffff88ff3ac1bf50 and_make_dead+0x17/0x20 # [ 42.011783] RIP: 0033:0x7f48d7b4d4<4>[ 50.349644] RBP: ffffffff9f21a3ab R08: 0000000000000000 R09: 0000000000000000 73 # [ 42.016062] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c<4>[ 50.364208] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75<4>[ 50.378626] R13: ffff9461c2abff10 R14: ffff9461c2abff10 R15: ffff88fec3f07000 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 0<4>[ 50.393141] FS: 00007ffbb2d7e580(0000) GS:ffff88ff3ac00000(0000) knlGS:0000000000000000 0 48 83 ec 28 48 89 54 24 18 # [ 42.037338] RSP: 002b:00007ff<4>[ 50.408687] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 d8d574a28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 42.<4>[ 50.421649] CR2: 00007ffbb2b88000 CR3: 0000000104198006 CR4: 00000000003706f0 046076] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f4<4>[ 50.436123] Call Trace: 8d7b4d473 # [ 42.054337] RDX: 000000000000000c RSI: 00007f48d<4>[ 50.445397] ? __warn+0x80/0x110 7a41000 RDI: 0000000000000001 # [ 42.062597] RBP: 00007f48d7a<4>[ 50.455501] ? refcount_warn_saturate+0xfb/0x110 41000 R08: 00007f48d7a40010 R09: 0000000000000000 # [ 42.0708<4>[ 50.467171] ? report_bug+0x9e/0xc0 57] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 00000000000<4>[ 50.477572] ? handle_bug+0x41/0x90 00001 # [ 42.079118] R13: 0000000000000001 R14: 0000000000020<4>[ 50.487978] ? exc_invalid_op+0x14/0x70 000 R15: 0000000000020000 # EXEC_RODATA: saw 'call trace:': ok <4>[ 50.498770] ? asm_exc_invalid_op+0x12/0x20 ok 34 selftests: lkdtm: EXEC_RODATA.sh # selftests: lkdtm: EXE<4>[ 50.509985] ? refcount_warn_saturate+0xfb/0x110 C_USERSPACE.sh # Killed # [ 42.302357] lkdtm: Performing dir<4>[ 50.521645] ? refcount_warn_saturate+0xfb/0x110 ect entry EXEC_USERSPACE # [ 42.311281] lkdtm: attempting ok <4>[ 50.533337] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 execution at ffffffff9d97c5f0 # [ 42.318124] lkdtm: attemptin<4>[ 50.545196] direct_entry.cold+0x2c/0x38 g bad execution at 00007f175120a000 # [ 42.325064] unable to <4>[ 50.556113] full_proxy_write+0x53/0x80 execute userspace code (SMEP?) (uid: 0) # [ 42.337954] BUG: u<4>[ 50.566904] vfs_write+0xe7/0x3b0 nable to handle page fault for address: 00007f175120a000 # [ <4>[ 50.577122] ksys_write+0x68/0xf0 42.345922] #PF: supervisor instruction fetch in kernel mode # [<4>[ 50.587323] do_syscall_64+0x30/0x40 42.352531] #PF: error_code(0x0011) - permissions violation #<4>[ 50.597856] entry_SYSCALL_64_after_hwframe+0x62/0xc7 [ 42.359045] PGD 8000000102737067 P4D 8000000102737067 PUD 10<4>[ 50.609982] RIP: 0033:0x7ffbb2c94473 5b6c067 PMD 105927067 PTE 107169067 # [ 42.369058] Oops: 0011<4>[ 50.620489] 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 [#10] SMP PTI # [ 42.373329] CPU: 2 PID: 1760 Comm: cat Tain<4>[ 50.647997] RSP: 002b:00007ffe562f4648 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 ted: G D W 5.10.209-cip44 #1 # [ 42.382269] Hard<4>[ 50.662986] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007ffbb2c94473 ware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 42.3893<4>[ 50.677478] RDX: 0000000000000016 RSI: 00007ffbb2b88000 RDI: 0000000000000001 66] RIP: 0010:0x7f175120a000 # [ 42.393636] Code: Unable to a<4>[ 50.691959] RBP: 00007ffbb2b88000 R08: 00007ffbb2b87010 R09: 0000000000000000 ccess opcode bytes at RIP 0x7f1751209fd6. # [ 42.401216] RSP:<4>[ 50.706473] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 0018:ffff9461c244fe50 EFLAGS: 00010246 # [ 42.407340] RAX: 0<4>[ 50.720948] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 # [<4>[ 50.735443] irq event stamp: 0 42.415599] RDX: 0000000000000000 RSI: ffff88ff3ad1bf50 RDI: f<4>[ 50.745377] hardirqs last enabled at (0): [<0000000000000000>] 0x0 fff88ff3ad1bf50 # [ 42.423860] RBP: 00007f175120a000 R08: 000<4>[ 50.758853] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 0000000000000 R09: 0000000000000000 # [ 42.432120] R10: 00000<4>[ 50.774550] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f # [ 4<4>[ 50.790186] softirqs last disabled at (0): [<0000000000000000>] 0x0 2.440380] R13: ffff9461c244ff10 R14: ffff9461c244ff10 R15: ffff8<4>[ 50.803694] ---[ end trace 10c52649da3a3055 ]--- 8fec29cf000 # [ 42.448639] FS: 00007f17511db580(0000) GS:fff<6>[ 50.815337] lkdtm: Negative detected: saturated f88ff3ad00000(0000) knlGS:0000000000000000 # [ 42.457995] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 42.470914] CR2: 00007f175120a000 CR3: 00000001034a2003 CR4: 00000000003706e0 # [ 42.479174] Call Trace: # [ 42.482194] ? __die_body.cold+0x1a/0x1f # [ 42.486864] ? no_context+0x177/0x380 # [ 42.491244] ? exc_page_fault+0x53/0x170 # [ 42.495912] ? asm_exc_page_fault+0x1e/0x30 # [ 42.500875] ? lkdtm_EXEC_USERSPACE.cold+0x66/0xae # [ 42.506514] ? direct_entry.cold+0x2c/0x38 # [ 42.511376] ? full_proxy_write+0x53/0x80 # [ 42.516134] ? vfs_write+0xe7/0x3b0 # [ 42.520315] ? ksys_write+0x68/0xf0 # [ 42.524499] ? do_syscall_64+0x30/0x40 # [ 42.528974] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 42.535099] 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_sysfs uvcvideo cros_usbpd_logger cros_ec_chardev videobuf2_vmalloc cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common cros_usbpd_notify snd_pcm<6>[ 50.941729] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE _dmaengine regmap_i2c i2c_hid cros_kbd_led_backlight chromeos_ps<6>[ 50.952938] lkdtm: attempting bad refcount_dec_and_test() below zero tore coreboot_table # [ 42.594091] CR2: 00007f175120a000 # [<4>[ 50.966562] ------------[ cut here ]------------ 42.598079] ---[ end trace 10c52649da3a3049 ]--- # [ 42.603<4>[ 50.978210] refcount_t: underflow; use-after-free. 524] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 42.608191] Code: 89 ff <4>[ 50.990160] WARNING: CPU: 0 PID: 2217 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 e8 5e d2 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c<4>[ 51.006016] 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_sysfs uvcvideo cros_usbpd_logger cros_ec_chardev videobuf2_vmalloc cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common cros_usbpd_notify snd_pcm_dmaengine regmap_i2c i2c_hid cros_kbd_led_backlight chromeos_pstore coreboot_table 3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b <4>[ 51.065082] CPU: 0 PID: 2217 Comm: cat Tainted: G D W 5.10.209-cip44 #1 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 d0 9a 2a 03 # [<4>[ 51.080238] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 42.629465] RSP: 0018:ffff9461c1327e60 EFLAGS: 00010282 # [ <4>[ 51.093551] RIP: 0010:refcount_warn_saturate+0xba/0x110 42.635589] RAX: ffffffff9d97c220 RBX: 0000000000000001 RCX: 000<4>[ 51.105948] Code: 02 01 e8 43 2d c4 00 0f 0b c3 cc cc cc cc 80 3d 8e ea 36 02 00 75 85 48 c7 c7 50 4e 17 9f c6 05 7e ea 36 02 01 e8 20 2d c4 00 <0f> 0b c3 cc cc cc cc 80 3d 69 ea 36 02 00 0f 85 5e ff ff ff 48 c7 0000000000000 # [ 42.643848] RDX: 0000000000000000 RSI: ffff8<4>[ 51.133429] RSP: 0018:ffff9461c2b3fe40 EFLAGS: 00010286 8ff3ac9bf50 RDI: ffffffff9ed94030 # [ 42.652109] RBP: fffffff<4>[ 51.145835] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 f9f27e9e8 R08: 0000000000000001 R09: 0000000000000001 # [ 42.<4>[ 51.160283] RDX: ffff88ff3ac2c620 RSI: ffff88ff3ac1bf50 RDI: ffff88ff3ac1bf50 660370] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000<4>[ 51.174830] RBP: ffffffff9f21a000 R08: 0000000000000000 R09: 0000000000000000 000000004 # [ 42.668630] R13: ffff9461c1327f10 R14: ffff9461c<4>[ 51.189276] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f 1327f10 R15: ffff88fec3073000 # [ 42.676890] FS: 00007f17511<4>[ 51.203814] R13: ffff9461c2b3ff10 R14: ffff9461c2b3ff10 R15: ffff88fec3394000 db580(0000) GS:ffff88ff3ad00000(0000) knlGS:0000000000000000 # <4>[ 51.218267] FS: 00007fb303867580(0000) GS:ffff88ff3ac00000(0000) knlGS:0000000000000000 [ 42.686218] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033<4>[ 51.233899] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 42.692923] CR2: 00007f175120a000 CR3: 00000001034a2003 C<4>[ 51.246770] CR2: 00007fb303671000 CR3: 0000000102648006 CR4: 00000000003706f0 R4: 00000000003706e0 # EXEC_USERSPACE: saw 'call trace:': ok o<4>[ 51.261309] Call Trace: k 35 selftests: lkdtm: EXEC_USERSPACE.sh # selftests: lkdtm: EX<4>[ 51.270522] ? __warn+0x80/0x110 EC_NULL.sh # Killed # [ 42.836175] lkdtm: Performing direct <4>[ 51.280678] ? refcount_warn_saturate+0xba/0x110 entry EXEC_NULL # [ 42.843818] lkdtm: attempting ok execution<4>[ 51.292320] ? report_bug+0x9e/0xc0 at ffffffff9d97c5f0 # [ 42.856862] lkdtm: attempting bad exe<4>[ 51.302761] ? handle_bug+0x41/0x90 cution at 0000000000000000 # [ 42.869983] BUG: kernel NULL po<4>[ 51.313132] ? exc_invalid_op+0x14/0x70 inter dereference, address: 0000000000000000 # [ 42.884228] #<4>[ 51.323973] ? asm_exc_invalid_op+0x12/0x20 PF: supervisor instruction fetch in kernel mode # [ 42.890840<4>[ 51.335146] ? refcount_warn_saturate+0xba/0x110 ] #PF: error_code(0x0010) - not-present page # [ 42.896868] P<4>[ 51.346834] __refcount_sub_and_test.constprop.0+0x3c/0x50 GD 0 P4D 0 # [ 42.899985] Oops: 0010 [#11] SMP PTI # [ 42<4>[ 51.359446] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 .904265] CPU: 0 PID: 1797 Comm: cat Tainted: G D W <4>[ 51.372178] direct_entry.cold+0x2c/0x38 5.10.209-cip44 #1 # [ 42.913208] Hardware name: Google Rammus<4>[ 51.383060] full_proxy_write+0x53/0x80 /Rammus, BIOS 09/04/2020 # [ 42.920306] RIP: 0010:0x0 # [ <4>[ 51.393864] vfs_write+0xe7/0x3b0 42.923519] Code: Unable to access opcode bytes at RIP 0xfffffff<4>[ 51.404061] ksys_write+0x68/0xf0 fffffffd6. # [ 42.931490] RSP: 0018:ffff9461c24c7e48 EFLAGS: <4>[ 51.414286] do_syscall_64+0x30/0x40 00010246 # [ 42.937615] RAX: 0000000000000033 RBX: 0000000000<4>[ 51.424765] entry_SYSCALL_64_after_hwframe+0x62/0xc7 000000 RCX: 0000000000000000 # [ 42.945875] RDX: 000000000000<4>[ 51.436947] RIP: 0033:0x7fb30377d473 0000 RSI: ffff88ff3ac1bf50 RDI: ffff88ff3ac1bf50 # [ 42.95413<4>[ 51.447434] 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] RBP: 0000000000000000 R08: 0000000000000000 R09: 000000000000<4>[ 51.474945] RSP: 002b:00007ffe58187368 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 0000 # [ 42.962399] R10: 00000000ffffe000 R11: 3fffffffffffff<4>[ 51.489971] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fb30377d473 ff R12: 000000000000000a # [ 42.970668] R13: ffff9461c24c7f10<4>[ 51.504412] RDX: 000000000000001f RSI: 00007fb303671000 RDI: 0000000000000001 R14: ffff9461c24c7f10 R15: ffff88fec411a000 # [ 42.978930] F<4>[ 51.518885] RBP: 00007fb303671000 R08: 00007fb303670010 R09: 0000000000000000 S: 00007f1a39e27580(0000) GS:ffff88ff3ac00000(0000) knlGS:00000<4>[ 51.533358] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 00000000000 # [ 42.988261] CS: 0010 DS: 0000 ES: 0000 CR0: 0<4>[ 51.547857] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 000000080050033 # [ 42.994969] CR2: ffffffffffffffd6 CR3: 000<4>[ 51.562328] irq event stamp: 0 000010643a003 CR4: 00000000003706f0 # [ 43.003231] Call Trace<4>[ 51.572235] hardirqs last enabled at (0): [<0000000000000000>] 0x0 : # [ 43.006251] ? __die_body.cold+0x1a/0x1f # [ 43.01092<4>[ 51.585746] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 7] ? no_context+0x177/0x380 # [ 43.015307] ? exc_page_fault<4>[ 51.601381] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 +0x53/0x170 # [ 43.019981] ? asm_exc_page_fault+0x1e/0x30 #<4>[ 51.617048] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 43.024946] execute_location+0x45/0x56 # [ 43.029524] d<4>[ 51.630539] ---[ end trace 10c52649da3a3056 ]--- <6>[ 51.642203] lkdtm: Negative detected: saturated irect_entry.cold+0x2c/0x38 # [ 43.034195] full_proxy_write+0x53/0x80 # [ 43.038775] vfs_write+0xe7/0x3b0 # [ 43.042765] ksys_write+0x68/0xf0 # [ 43.046755] do_syscall_64+0x30/0x40 # [ 43.051036] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 43.056967] RIP: 0033:0x7f1a39d3d473 # [ 43.061246] 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 # [ 43.082524] RSP: 002b:00007ffc94a419c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 43.091271] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f1a39d3d473 # [ 43.099533] RDX: 000000000000000a RSI: 00007f1a39c31000 RDI: 0000000000000001 # [ 43.107793] RBP: 00007f1a39c31000 R08: 00007f1a39c30010 R09: 0000000000000000 # [ 43.116056] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 43.124316] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 43.132580] 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_sysfs uvcvideo cros_usbpd_logger cros_ec_chardev videobuf2_vmalloc cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhu<6>[ 51.773407] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE <6>[ 51.785973] lkdtm: attempting bad refcount_sub_and_test() below zero <4>[ 51.793408] ------------[ cut here ]------------ <4>[ 51.798879] refcount_t: underflow; use-after-free. <4>[ 51.804559] WARNING: CPU: 3 PID: 2253 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 b videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp<4>[ 51.814291] 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_sysfs uvcvideo cros_usbpd_logger cros_ec_chardev videobuf2_vmalloc cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common cros_usbpd_notify snd_pcm_dmaengine regmap_i2c i2c_hid cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 51.873253] CPU: 3 PID: 2253 Comm: cat Tainted: G D W 5.10.209-cip44 #1 _thermal cros_ec_dev snd_compress videobuf2_common cros_usbpd_no<4>[ 51.882200] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 tify snd_pcm_dmaengine regmap_i2c i2c_hid cros_kbd_led_backlight<4>[ 51.895518] RIP: 0010:refcount_warn_saturate+0xba/0x110 chromeos_pstore coreboot_table # [ 43.185352] CR2: 000000000<4>[ 51.907860] Code: 02 01 e8 43 2d c4 00 0f 0b c3 cc cc cc cc 80 3d 8e ea 36 02 00 75 85 48 c7 c7 50 4e 17 9f c6 05 7e ea 36 02 01 e8 20 2d c4 00 <0f> 0b c3 cc cc cc cc 80 3d 69 ea 36 02 00 0f 85 5e ff ff ff 48 c7 <4>[ 51.935357] RSP: 0018:ffff9461c2befe40 EFLAGS: 00010286 <4>[ 51.941510] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 <4>[ 51.949774] RDX: ffff88ff3adac620 RSI: ffff88ff3ad9bf50 RDI: ffff88ff3ad9bf50 <4>[ 51.958037] RBP: ffffffff9f21a020 R08: 0000000000000000 R09: 0000000000000000 <4>[ 51.966315] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f 0000000 # [ 43.189340] ---[ end trace 10c52649da3a304a ]--- <4>[ 51.974591] R13: ffff9461c2beff10 R14: ffff9461c2beff10 R15: ffff88fec30ec000 <4>[ 51.989066] FS: 00007f840f0b3580(0000) GS:ffff88ff3ad80000(0000) knlGS:0000000000000000 <4>[ 51.998398] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 52.005107] CR2: 00007f840eebd000 CR3: 0000000102bfe002 CR4: 00000000003706e0 <4>[ 52.013362] Call Trace: <4>[ 52.016386] ? __warn+0x80/0x110 <4>[ 52.020301] ? refcount_warn_saturate+0xba/0x110 <4>[ 52.025751] ? report_bug+0x9e/0xc0 <4>[ 52.029939] ? handle_bug+0x41/0x90 <4>[ 52.034124] ? exc_invalid_op+0x14/0x70 <4>[ 52.038711] ? asm_exc_invalid_op+0x12/0x20 <4>[ 52.043722] ? refcount_warn_saturate+0xba/0x110 <4>[ 52.049202] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 43.194787] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 43.199445] <4>[ 52.055671] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b <4>[ 52.068406] direct_entry.cold+0x2c/0x38 <4>[ 52.073077] full_proxy_write+0x53/0x80 Code: 89 ff e8 5e d2 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 e<4>[ 52.077673] vfs_write+0xe7/0x3b0 <4>[ 52.087881] ksys_write+0x68/0xf0 <4>[ 52.091874] do_syscall_64+0x30/0x40 <4>[ 52.096157] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 52.102091] RIP: 0033:0x7f840efc9473 <4>[ 52.106372] 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 a ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00<4>[ 52.127669] RSP: 002b:00007ffe4134c4a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 52.142636] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f840efc9473 <4>[ 52.150900] RDX: 000000000000001f RSI: 00007f840eebd000 RDI: 0000000000000001 <4>[ 52.159164] RBP: 00007f840eebd000 R08: 00007f840eebc010 R09: 0000000000000000 <4>[ 52.167430] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 52.175694] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 d0 9<4>[ 52.183966] irq event stamp: 0 <4>[ 52.193877] hardirqs last enabled at (0): [<0000000000000000>] 0x0 a 2a 03 # [ 43.220724] RSP: 0018:ffff9461c1327e60 EFLAGS: 000<4>[ 52.201171] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 52.216811] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 52.226240] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 52.233531] ---[ end trace 10c52649da3a3057 ]--- <6>[ 52.238971] lkdtm: Negative detected: saturated 10282 # [ 43.226849] RAX: ffffffff9d97c220 RBX: 0000000000000001 RCX: 0000000000000000 # [ 43.235111] RDX: 0000000000000000 RSI: ffff88ff3ac9bf50 RDI: ffffffff9ed94030 # [ 43.243372] RBP: ffffffff9f27e9e8 R08: 0000000000000001 R09: 0000000000000001 # [ 43.251633] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 43.259892] R13: ffff9461c1327f10 R14: ffff9461c1327f10 R15: ffff88fec3073000 # [ 43.268155] FS: 00007f1a39e27580(0000) GS:ffff88ff3ac00000(0000) knlGS:0000000000000000 # [ 43.277476] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 43.284183] CR2: ffffffffffffffd6 CR3: 000000010643a003 CR4: 00000000003706f0 # [ 43.292445] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 43.302671] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1797, name: cat # [ 43.311418] INFO: lockdep is turned off. # [ 43.316085] irq event stamp: 0 # [ 43.319782] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 43.327074] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 43.336501] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 43.345928] softirqs last disabled at (0): [<0000000000000<6>[ 52.364186] lkdtm: Performing direct entry REFCOUNT_INC_ZERO 000>] 0x0 # [ 43.353217] CPU: 0 PID: 1797 Comm: cat Tainted: <6>[ 52.375334] lkdtm: attempting safe refcount_inc_not_zero() from zero G D W 5.10.209-cip44 #1 # [ 43.362158] Hardware <6>[ 52.388957] lkdtm: Good: zero detected name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 43.369254] C<6>[ 52.399648] lkdtm: Correctly stayed at zero all Trace: # [ 43.372274] dump_stack+0x77/0x9b # [ 43.376<6>[ 52.410804] lkdtm: attempting bad refcount_inc() from zero 265] ___might_sleep.cold+0xa6/0xb6 # [ 43.381129] exit_sign<4>[ 52.423476] ------------[ cut here ]------------ als+0x1c/0x300 # [ 43.385401] do_exit+0xc2/0xab0 # [ 43.3<4>[ 52.435128] refcount_t: addition on 0; use-after-free. 89188] ? ksys_write+0x68/0xf0 # [ 43.393363] make_task_dead<4>[ 52.447486] WARNING: CPU: 0 PID: 2286 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 +0x2f/0x30 # [ 43.397742] rewind_stack_and_make_dead+0x17/0x<4>[ 52.463302] 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_sysfs uvcvideo cros_usbpd_logger cros_ec_chardev videobuf2_vmalloc cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common cros_usbpd_notify snd_pcm_dmaengine regmap_i2c i2c_hid cros_kbd_led_backlight chromeos_pstore coreboot_table 20 # [ 43.403275] RIP: 0033:0x7f1a39d3d473 # [ 43.407545] <4>[ 52.522304] CPU: 0 PID: 2286 Comm: cat Tainted: G D W 5.10.209-cip44 #1 Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b<4>[ 52.537445] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f<4>[ 52.550786] RIP: 0010:refcount_warn_saturate+0x74/0x110 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 5<4>[ 52.563107] Code: 02 01 e8 89 2d c4 00 0f 0b c3 cc cc cc cc 80 3d d5 ea 36 02 00 75 cb 48 c7 c7 20 4e 17 9f c6 05 c5 ea 36 02 01 e8 66 2d c4 00 <0f> 0b c3 cc cc cc cc 80 3d b4 ea 36 02 00 75 a8 48 c7 c7 f8 4d 17 4 24 18 # [ 43.428821] RSP: 002b:00007ffc94a419c8 EFLAGS: 000<4>[ 52.590622] RSP: 0018:ffff9461c2c5fe48 EFLAGS: 00010286 00246 ORIG_RAX: 0000000000000001 # [ 43.437568] RAX: ffffffff<4>[ 52.602956] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 ffffffda RBX: 000000000000000a RCX: 00007f1a39d3d473 # [ 43.4<4>[ 52.617459] RDX: ffff88ff3ac2c620 RSI: ffff88ff3ac1bf50 RDI: ffff88ff3ac1bf50 45828] RDX: 000000000000000a RSI: 00007f1a39c31000 RDI: 00000000<4>[ 52.631924] RBP: ffffffff9f21a3c1 R08: 0000000000000000 R09: 0000000000000000 00000001 # [ 43.454089] RBP: 00007f1a39c31000 R08: 00007f1a39<4>[ 52.646419] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 c30010 R09: 0000000000000000 # [ 43.462351] R10: ffffffffffff<4>[ 52.660893] R13: ffff9461c2c5ff10 R14: ffff9461c2c5ff10 R15: ffff88fec2a0d000 fbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 43.47061<4>[ 52.675396] FS: 00007fac6c60a580(0000) GS:ffff88ff3ac00000(0000) knlGS:0000000000000000 2] R13: 0000000000000001 R14: 0000000000020000 R15: 000000000002<4>[ 52.690941] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 0000 # EXEC_NULL: saw 'call trace:': ok ok 36 selftests: lkdtm<4>[ 52.703878] CR2: 00007fac6c414000 CR3: 0000000103072005 CR4: 00000000003706f0 : EXEC_NULL.sh # selftests: lkdtm: ACCESS_USERSPACE.sh # Kille<4>[ 52.718344] Call Trace: d # [ 43.594358] lkdtm: Performing direct entry ACCESS_USERSP<4>[ 52.727608] ? __warn+0x80/0x110 ACE # [ 43.603526] lkdtm: attempting bad read at 00007f20fe6b<4>[ 52.737702] ? refcount_warn_saturate+0x74/0x110 e000 # [ 43.616155] BUG: unable to handle page fault for addr<4>[ 52.749388] ? report_bug+0x9e/0xc0 ess: 00007f20fe6be000 # [ 43.630324] #PF: supervisor read acc<4>[ 52.759777] ? handle_bug+0x41/0x90 ess in kernel mode # [ 43.636351] #PF: error_code(0x0001) - p<4>[ 52.770203] ? exc_invalid_op+0x14/0x70 ermissions violation # [ 43.642864] PGD 8000000103223067 P4D <4>[ 52.780974] ? asm_exc_invalid_op+0x12/0x20 8000000103223067 PUD 10306f067 PMD 1065fb067 PTE 10a60d067 # [ <4>[ 52.792188] ? refcount_warn_saturate+0x74/0x110 43.652884] Oops: 0001 [#12] SMP PTI # [ 43.657156] CPU: 0 P<4>[ 52.803817] ? refcount_warn_saturate+0x74/0x110 ID: 1833 Comm: cat Tainted: G D W 5.10.209-cip44 #1<4>[ 52.815501] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 # [ 43.666097] Hardware name: Google Rammus/Rammus, BIOS 09<4>[ 52.826957] direct_entry.cold+0x2c/0x38 /04/2020 # [ 43.673195] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold<4>[ 52.837863] full_proxy_write+0x53/0x80 +0x41/0xa3 # [ 43.679720] Code: 00 00 00 75 64 48 83 c4 10 5d<4>[ 52.848658] vfs_write+0xe7/0x3b0 c3 cc cc cc cc 48 89 ee 48 c7 c7 48 b2 21 9f e8 78 d7 fb ff 48 <4>[ 52.858896] ksys_write+0x68/0xf0 c7 c7 70 b2 21 9f b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 5f<4>[ 52.869070] do_syscall_64+0x30/0x40 d7 fb ff 48 89 ee 48 c7 c7 98 b2 21 # [ 43.700997] RSP: 0018<4>[ 52.879587] entry_SYSCALL_64_after_hwframe+0x62/0xc7 :ffff9461c254fe48 EFLAGS: 00010246 # [ 43.707122] RAX: 000000<4>[ 52.891775] RIP: 0033:0x7fac6c520473 00c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 # [ 43<4>[ 52.902263] 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 .715382] RDX: 0000000000000000 RSI: ffff88ff3ac1bf50 RDI: ffffff<4>[ 52.929772] RSP: 002b:00007ffe0b48f3f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 ff9f21b270 # [ 43.723661] RBP: 00007f20fe6be000 R08: 00000000<4>[ 52.944761] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fac6c520473 00000000 R09: 0000000000000000 # [ 43.731925] R10: 00000000ff<4>[ 52.959272] RDX: 0000000000000012 RSI: 00007fac6c414000 RDI: 0000000000000001 ffe000 R11: 3fffffffffffffff R12: 0000000000000011 # [ 43.740<4>[ 52.973755] RBP: 00007fac6c414000 R08: 00007fac6c413010 R09: 0000000000000000 185] R13: ffff9461c254ff10 R14: ffff9461c254ff10 R15: ffff88fec6<4>[ 52.988220] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 030000 # [ 43.748449] FS: 00007f20fe68f580(0000) GS:ffff88ff<4>[ 53.002736] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 3ac00000(0000) knlGS:0000000000000000 # [ 43.757770] CS: 001<4>[ 53.017202] irq event stamp: 0 0 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 43.764476] CR2:<4>[ 53.027110] hardirqs last enabled at (0): [<0000000000000000>] 0x0 00007f20fe6be000 CR3: 000000010643a001 CR4: 00000000003706f0 #<4>[ 53.040630] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 [ 43.772738] Call Trace: # [ 43.775758] ? __die_body.cold<4>[ 53.056260] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 +0x1a/0x1f # [ 43.780436] ? no_context+0x177/0x380 # [ 43<4>[ 53.071922] softirqs last disabled at (0): [<0000000000000000>] 0x0 .784822] ? exc_page_fault+0x53/0x170 # [ 43.789497] ? asm_e<4>[ 53.085421] ---[ end trace 10c52649da3a3058 ]--- xc_page_fault+0x1e/0x30 # [ 43.794460] ? lkdtm_ACCESS_USERSP<6>[ 53.097085] lkdtm: Zero detected: saturated ACE.cold+0x41/0xa3 # [ 43.800299] ? lkdtm_ACCESS_USERSPACE.cold+0x35/0xa3 # [ 43.806134] direct_entry.cold+0x2c/0x38 # [ 43.810805] full_proxy_write+0x53/0x80 # [ 43.815383] vfs_write+0xe7/0x3b0 # [ 43.819378] ksys_write+0x68/0xf0 # [ 43.823367] do_syscall_64+0x30/0x40 # [ 43.827669] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 43.833599] RIP: 0033:0x7f20fe5a5473 # [ 43.837880] 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 # [ 43.859147] RSP: 002b:00007ffeacac07c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 43.867894] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f20fe5a5473 # [ 43.876156] RDX: 0000000000000011 RSI: 00007f20fe499000 RDI: 0000000000000001 # [ 43.884417] RBP: 00007f20fe499000 R08: 00007f20fe498010 R09: 0000000000000000 # [ 43.892678] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 43.900938] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 43.909203] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industria<6>[ 53.227685] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO lio snd_soc_da7219 cros_ec_debugfs cros_ec_sysfs uvcvideo cros_u<6>[ 53.239411] lkdtm: attempting safe refcount_add_not_zero() from zero sbpd_logger cros_ec_chardev videobuf2_vmalloc cros_ec_lightbar c<6>[ 53.253017] lkdtm: Good: zero detected ros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_cor<6>[ 53.263709] lkdtm: Correctly stayed at zero e videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compr<6>[ 53.274920] lkdtm: attempting bad refcount_add() from zero ess videobuf2_common cros_usbpd_notify snd_pcm_dmaengine regmap_<4>[ 53.287548] ------------[ cut here ]------------ i2c i2c_hid cros_kbd_led_backlight chromeos_pstore coreboot_tabl<4>[ 53.299213] refcount_t: addition on 0; use-after-free. e # [ 43.961976] CR2: 00007f20fe6be000 # [ 43.965964] ---[<4>[ 53.311491] WARNING: CPU: 0 PID: 2319 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 end trace 10c52649da3a304b ]--- # [ 43.971411] RIP: 0010:lkd<4>[ 53.327425] 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_sysfs uvcvideo cros_usbpd_logger cros_ec_chardev videobuf2_vmalloc cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common cros_usbpd_notify snd_pcm_dmaengine regmap_i2c i2c_hid cros_kbd_led_backlight chromeos_pstore coreboot_table tm_BUG+0x5/0x10 # [ 43.976080] Code: 89 ff e8 5e d2 79 ff 48 <4>[ 53.386409] CPU: 0 PID: 2319 Comm: cat Tainted: G D W 5.10.209-cip44 #1 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c<4>[ 53.401603] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 <4>[ 53.414891] RIP: 0010:refcount_warn_saturate+0x74/0x110 00 00 00 0f 1f 44 00 00 83 05 d0 9a 2a 03 # [ 43.997356] RSP:<4>[ 53.427260] Code: 02 01 e8 89 2d c4 00 0f 0b c3 cc cc cc cc 80 3d d5 ea 36 02 00 75 cb 48 c7 c7 20 4e 17 9f c6 05 c5 ea 36 02 01 e8 66 2d c4 00 <0f> 0b c3 cc cc cc cc 80 3d b4 ea 36 02 00 75 a8 48 c7 c7 f8 4d 17 0018:ffff9461c1327e60 EFLAGS: 00010282 # [ 44.003472] RAX: f<4>[ 53.454736] RSP: 0018:ffff9461c2cf7e48 EFLAGS: 00010286 fffffff9d97c220 RBX: 0000000000000001 RCX: 0000000000000000 # [<4>[ 53.467110] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 44.011733] RDX: 0000000000000000 RSI: ffff88ff3ac9bf50 RDI: f<4>[ 53.481586] RDX: ffff88ff3ac2c620 RSI: ffff88ff3ac1bf50 RDI: ffff88ff3ac1bf50 fffffff9ed94030 # [ 44.019993] RBP: ffffffff9f27e9e8 R08: 000<4>[ 53.496045] RBP: ffffffff9f21a3d3 R08: 0000000000000000 R09: 0000000000000000 0000000000001 R09: 0000000000000001 # [ 44.028253] R10: 00000<4>[ 53.510541] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 4<4>[ 53.525027] R13: ffff9461c2cf7f10 R14: ffff9461c2cf7f10 R15: ffff88fec34db000 4.036512] R13: ffff9461c1327f10 R14: ffff9461c1327f10 R15: ffff8<4>[ 53.539503] FS: 00007fda7cd5f580(0000) GS:ffff88ff3ac00000(0000) knlGS:0000000000000000 8fec3073000 # [ 44.044775] FS: 00007f20fe68f580(0000) GS:fff<4>[ 53.555068] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 f88ff3ac00000(0000) knlGS:0000000000000000 # [ 44.054096] CS:<4>[ 53.568008] CR2: 00007fda7cb69000 CR3: 000000010624c004 CR4: 00000000003706f0 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 44.060804]<4>[ 53.582493] Call Trace: CR2: 00007f20fe6be000 CR3: 000000010643a001 CR4: 00000000003706<4>[ 53.591764] ? __warn+0x80/0x110 f0 # ACCESS_USERSPACE: saw 'call trace:': ok ok 37 selftests: <4>[ 53.601844] ? refcount_warn_saturate+0x74/0x110 lkdtm: ACCESS_USERSPACE.sh # selftests: lkdtm: ACCESS_NULL.sh <4>[ 53.613507] ? report_bug+0x9e/0xc0 # Killed # [ 44.250551] lkdtm: Performing direct entry ACCESS<4>[ 53.623933] ? handle_bug+0x41/0x90 _NULL # [ 44.261576] lkdtm: attempting bad read at 0000000000<4>[ 53.634330] ? exc_invalid_op+0x14/0x70 000000 # [ 44.268021] BUG: kernel NULL pointer dereference, a<4>[ 53.645152] ? asm_exc_invalid_op+0x12/0x20 ddress: 0000000000000000 # [ 44.276119] #PF: supervisor read <4>[ 53.656325] ? refcount_warn_saturate+0x74/0x110 access in kernel mode # [ 44.282147] #PF: error_code(0x0000) <4>[ 53.667990] ? refcount_warn_saturate+0x74/0x110 - not-present page # [ 44.288173] PGD 0 P4D 0 # [ 44.2912<4>[ 53.679673] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 88] Oops: 0000 [#13] SMP PTI # [ 44.295568] CPU: 2 PID: 1869 <4>[ 53.691226] direct_entry.cold+0x2c/0x38 Comm: cat Tainted: G D W 5.10.209-cip44 #1 # [ 4<4>[ 53.702018] full_proxy_write+0x53/0x80 4.304499] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 53.712820] vfs_write+0xe7/0x3b0 # [ 44.311596] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 # [ 4<4>[ 53.723108] ksys_write+0x68/0xf0 4.317138] Code: 1c d7 fb ff be 00 10 00 00 48 89 ef e8 ca 2d 0c <4>[ 53.733339] do_syscall_64+0x30/0x40 ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 48 b2 21 9f e<4>[ 53.743849] entry_SYSCALL_64_after_hwframe+0x62/0xc7 8 f6 d6 fb ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 <4>[ 53.755984] RIP: 0033:0x7fda7cc75473 70 b2 21 9f 48 01 # [ 44.338412] RSP: 0018:ffff9461c25c7e58 E<4>[ 53.766505] 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 FLAGS: 00010246 # [ 44.344537] RAX: 000000000000002e RBX: 000<4>[ 53.793982] RSP: 002b:00007ffde34c6448 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 0000000000027 RCX: 0000000000000000 # [ 44.352797] RDX: 00000<4>[ 53.808953] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fda7cc75473 00000000000 RSI: ffff88ff3ad1bf50 RDI: ffff88ff3ad1bf50 # [ 4<4>[ 53.823399] RDX: 0000000000000012 RSI: 00007fda7cb69000 RDI: 0000000000000001 4.361058] RBP: ffffffff9f21a339 R08: 0000000000000000 R09: 00000<4>[ 53.837890] RBP: 00007fda7cb69000 R08: 00007fda7cb68010 R09: 0000000000000000 00000000000 # [ 44.369317] R10: 00000000ffffe000 R11: 3ffffff<4>[ 53.852363] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 fffffffff R12: 000000000000000c # [ 44.377577] R13: ffff9461c<4>[ 53.866831] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 25c7f10 R14: ffff9461c25c7f10 R15: ffff88fec2ea0000 # [ 44.38<4>[ 53.881341] irq event stamp: 0 5839] FS: 00007fa7cb142580(0000) GS:ffff88ff3ad00000(0000) knlG<4>[ 53.891270] hardirqs last enabled at (0): [<0000000000000000>] 0x0 S:0000000000000000 # [ 44.395159] CS: 0010 DS: 0000 ES: 0000<4>[ 53.904789] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 CR0: 0000000080050033 # [ 44.401866] CR2: 0000000000000000 C<4>[ 53.920421] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 R3: 0000000102c88004 CR4: 00000000003706e0 # [ 44.410125] Cal<4>[ 53.936105] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 53.949602] ---[ end trace 10c52649da3a3059 ]--- l Trace: # [ 44.413145] ? __die_body.cold+0x1a/0x1f # [ 4<6>[ 53.955059] lkdtm: Zero detected: saturated 4.417815] ? no_context+0x177/0x380 # [ 44.422194] ? exc_page_fault+0x53/0x170 # [ 44.426862] ? asm_exc_page_fault+0x1e/0x30 # [ 44.431825] ? lkdtm_ACCESS_NULL+0x14/0x53 # [ 44.436687] ? lkdtm_ACCESS_NULL+0x14/0x53 # [ 44.441550] direct_entry.cold+0x2c/0x38 # [ 44.446212] full_proxy_write+0x53/0x80 # [ 44.450784] vfs_write+0xe7/0x3b0 # [ 44.454773] ksys_write+0x68/0xf0 # [ 44.458753] do_syscall_64+0x30/0x40 # [ 44.463025] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 44.468945] RIP: 0033:0x7fa7cb058473 # [ 44.473223] 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 # [ 44.494498] RSP: 002b:00007ffc24646d88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 44.503244] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fa7cb058473 # [ 44.511506] RDX: 000000000000000c RSI: 00007fa7caf4c000 RDI: 0000000000000001 # [ 44.519765] RBP: 00007fa7caf4c000 R08: 00007fa7caf4b010 R09: 0000000000000000 # [ 44.528025] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 44.536286] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 44.544549] Modules linked in: fuse ip_tables cros_ec_lid_ang<6>[ 54.093866] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED <6>[ 54.104135] lkdtm: attempting bad refcount_inc() from saturated <4>[ 54.111043] ------------[ cut here ]------------ le cros_ec_sensors cros_ec_sensors_core industrialio_triggered_b<4>[ 54.116501] refcount_t: saturated; leaking memory. uffer kfifo_buf industrialio snd_soc_da7219 cros_ec_debugfs cros<4>[ 54.128374] WARNING: CPU: 3 PID: 2355 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 _ec_sysfs uvcvideo cros_usbpd_logger cros_ec_chardev videobuf2_v<4>[ 54.144297] 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_sysfs uvcvideo cros_usbpd_logger cros_ec_chardev videobuf2_vmalloc cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common cros_usbpd_notify snd_pcm_dmaengine regmap_i2c i2c_hid cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 54.203290] CPU: 3 PID: 2355 Comm: cat Tainted: G D W 5.10.209-cip44 #1 malloc cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub vid<4>[ 54.212248] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 54.225558] RIP: 0010:refcount_warn_saturate+0x51/0x110 <4>[ 54.231685] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d f9 ea 36 02 00 75 ee 48 c7 c7 f8 4d 17 9f c6 05 e9 ea 36 02 01 e8 89 2d c4 00 <0f> 0b c3 cc cc cc cc 80 3d d5 ea 36 02 00 75 cb 48 c7 c7 20 4e 17 <4>[ 54.252964] RSP: 0018:ffff9461c2d9fe48 EFLAGS: 00010286 <4>[ 54.259092] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 <4>[ 54.267356] RDX: ffff88ff3adac620 RSI: ffff88ff3ad9bf50 RDI: ffff88ff3ad9bf50 <4>[ 54.275610] RBP: ffffffff9f21a3e5 R08: 0000000000000000 R09: 0000000000000000 <4>[ 54.283865] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 <4>[ 54.292129] R13: ffff9461c2d9ff10 R14: ffff9461c2d9ff10 R15: ffff88fec2bec000 <4>[ 54.300393] FS: 00007f9227525580(0000) GS:ffff88ff3ad80000(0000) knlGS:0000000000000000 <4>[ 54.309728] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 54.316438] CR2: 00007f922732f000 CR3: 0000000105366004 CR4: 00000000003706e0 <4>[ 54.324716] Call Trace: <4>[ 54.327771] ? __warn+0x80/0x110 <4>[ 54.331709] ? refcount_warn_saturate+0x51/0x110 <4>[ 54.337191] ? report_bug+0x9e/0xc0 <4>[ 54.341378] ? handle_bug+0x41/0x90 <4>[ 54.345562] ? exc_invalid_op+0x14/0x70 <4>[ 54.350138] ? asm_exc_invalid_op+0x12/0x20 <4>[ 54.355102] ? refcount_warn_saturate+0x51/0x110 <4>[ 54.360575] ? refcount_warn_saturate+0x51/0x110 <4>[ 54.366022] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 <4>[ 54.371764] direct_entry.cold+0x2c/0x38 <4>[ 54.376437] full_proxy_write+0x53/0x80 <4>[ 54.381037] vfs_write+0xe7/0x3b0 <4>[ 54.385030] ksys_write+0x68/0xf0 <4>[ 54.389022] do_syscall_64+0x30/0x40 <4>[ 54.393305] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 54.399237] RIP: 0033:0x7f922743b473 <4>[ 54.403520] 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 eobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_ther<4>[ 54.424799] RSP: 002b:00007ffcb9ac8998 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 54.439766] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f922743b473 <4>[ 54.448031] RDX: 0000000000000017 RSI: 00007f922732f000 RDI: 0000000000000001 <4>[ 54.456295] RBP: 00007f922732f000 R08: 00007f922732e010 R09: 0000000000000000 <4>[ 54.464551] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 54.472815] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 54.481084] irq event stamp: 0 <4>[ 54.484809] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 54.492102] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 54.501532] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 54.510962] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 54.518256] ---[ end trace 10c52649da3a305a ]--- <6>[ 54.523719] lkdtm: Saturation detected: still saturated mal cros_ec_dev snd_compress videobuf2_common cros_usbpd_notify snd_pcm_dmaengine regmap_i2c i2c_hid cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 44.603538] CR2: 0000000000000000 # [ 44.607528] ---[ end trace 10c52649da3a304c ]--- # [ 44.612973] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 44.617657] Code: 89 ff e8 5e d2 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 d0 9a 2a 03 # [ 44.638941] RSP: 0018:ffff9461c1327e60 EFLAGS: 00010282 # [ 44.651278] RAX: ffffffff9d97c220 RBX: 0000000000000001 RCX: 0000000000000000 # [ 44.659538] RDX: 0000000000000000 RSI: ffff88ff3ac9bf50 RDI: ffffffff9ed94030 # [ 44.667798] RBP: ffffffff9f27e9e8 R08: 0000000000000001 R09: 0000000000000001 # [ 44.676059] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 44.684319] R13: ffff9461c1327f10 R14: ffff9461c1327f10 R15: ffff88fec3073000 # [ 44.692578] FS: 00007fa7cb142580(0000) GS:ffff88ff3ad00000(0000) knlGS:0000000000000000 # [ 44.701908] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 44.708613] CR2: 0000000000000000 CR3: 0000000102c88004 CR4: 00000000003706e0 # [ 44.716874] BUG: sleeping func<6>[ 54.653288] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED tion called from invalid context at include/linux/percpu-rwsem.h<6>[ 54.661310] lkdtm: attempting bad refcount_dec() from saturated :49 # [ 44.727078] in_atomic(): 0, irqs_disabled(): 1, non_bl<4>[ 54.674424] ------------[ cut here ]------------ ock: 0, pid: 1869, name: cat # [ 44.735825] INFO: lockdep is <4>[ 54.686104] refcount_t: decrement hit 0; leaking memory. turned off. # [ 44.740494] irq event stamp: 0 # [ 44.74419<4>[ 54.698555] WARNING: CPU: 0 PID: 2391 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 1] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ <4>[ 54.714477] 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_sysfs uvcvideo cros_usbpd_logger cros_ec_chardev videobuf2_vmalloc cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common cros_usbpd_notify snd_pcm_dmaengine regmap_i2c i2c_hid cros_kbd_led_backlight chromeos_pstore coreboot_table 44.751480] hardirqs last disabled at (0): []<4>[ 54.773482] CPU: 0 PID: 2391 Comm: cat Tainted: G D W 5.10.209-cip44 #1 copy_process+0x65c/0x20e0 # [ 44.760898] softirqs last enab<4>[ 54.788625] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 led at (0): [] copy_process+0x65c/0x20e0 # [ <4>[ 54.801953] RIP: 0010:refcount_warn_saturate+0xfb/0x110 44.770323] softirqs last disabled at (0): [<0000000000000000>]<4>[ 54.814277] Code: a8 4e 17 9f c6 05 55 ea 36 02 01 e8 f9 2c c4 00 0f 0b c3 cc cc cc cc 48 c7 c7 78 4e 17 9f c6 05 3c ea 36 02 01 e8 df 2c c4 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 0x0 # [ 44.777613] CPU: 2 PID: 1869 Comm: cat Tainted: G <4>[ 54.841797] RSP: 0018:ffff9461c2dffe48 EFLAGS: 00010286 D W 5.10.209-cip44 #1 # [ 44.786553] Hardware name:<4>[ 54.854119] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 Google Rammus/Rammus, BIOS 09/04/2020 # [ 44.793665] Call T<4>[ 54.868625] RDX: ffff88ff3ac2c620 RSI: ffff88ff3ac1bf50 RDI: ffff88ff3ac1bf50 race: # [ 44.796685] dump_stack+0x77/0x9b # [ 44.800675] <4>[ 54.883090] RBP: ffffffff9f21a3fc R08: 0000000000000000 R09: 0000000000000000 ___might_sleep.cold+0xa6/0xb6 # [ 44.805539] exit_signals+0<4>[ 54.897586] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 x1c/0x300 # [ 44.809820] do_exit+0xc2/0xab0 # [ 44.813614<4>[ 54.912056] R13: ffff9461c2dfff10 R14: ffff9461c2dfff10 R15: ffff88fec6301000 ] ? ksys_write+0x68/0xf0 # [ 44.817797] make_task_dead+0x2f<4>[ 54.926550] FS: 00007f2caebc3580(0000) GS:ffff88ff3ac00000(0000) knlGS:0000000000000000 /0x30 # [ 44.822175] rewind_stack_and_make_dead+0x17/0x20 #<4>[ 54.942084] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.827721] RIP: 0033:0x7fa7cb058473 # [ 44.832001] Code:<4>[ 54.955037] CR2: 00007f2cae9cd000 CR3: 0000000103074005 CR4: 00000000003706f0 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f <4>[ 54.969503] Call Trace: 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <<4>[ 54.978766] ? __warn+0x80/0x110 48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 <4>[ 54.988860] ? refcount_warn_saturate+0xfb/0x110 18 # [ 44.853278] RSP: 002b:00007ffc24646d88 EFLAGS: 00000246<4>[ 55.000555] ? report_bug+0x9e/0xc0 ORIG_RAX: 0000000000000001 # [ 44.862024] RAX: fffffffffffff<4>[ 55.010942] ? handle_bug+0x41/0x90 fda RBX: 000000000000000c RCX: 00007fa7cb058473 # [ 44.870284<4>[ 55.021358] ? exc_invalid_op+0x14/0x70 ] RDX: 000000000000000c RSI: 00007fa7caf4c000 RDI: 0000000000000<4>[ 55.032137] ? asm_exc_invalid_op+0x12/0x20 001 # [ 44.878546] RBP: 00007fa7caf4c000 R08: 00007fa7caf4b01<4>[ 55.043335] ? refcount_warn_saturate+0xfb/0x110 0 R09: 0000000000000000 # [ 44.886807] R10: fffffffffffffbc5 <4>[ 55.054981] ? refcount_warn_saturate+0xfb/0x110 R11: 0000000000000246 R12: 0000000000000001 # [ 44.895067] R1<4>[ 55.066665] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f 3: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 55.078596] direct_entry.cold+0x2c/0x38 # ACCESS_NULL: saw 'call trace:': ok ok 38 selftests: lkdtm: A<4>[ 55.089519] full_proxy_write+0x53/0x80 CCESS_NULL.sh # selftests: lkdtm: WRITE_RO.sh # Killed # [ <4>[ 55.100300] vfs_write+0xe7/0x3b0 45.012422] lkdtm: Performing direct entry WRITE_RO # [ 45.021<4>[ 55.110507] ksys_write+0x68/0xf0 013] lkdtm: attempting bad rodata write at ffffffff9ed944b0 # [<4>[ 55.120713] do_syscall_64+0x30/0x40 45.034448] BUG: unable to handle page fault for address: ffff<4>[ 55.131202] entry_SYSCALL_64_after_hwframe+0x62/0xc7 ffff9ed944b0 # [ 45.048594] #PF: supervisor write access in k<4>[ 55.143353] RIP: 0033:0x7f2caead9473 ernel mode # [ 45.054719] #PF: error_code(0x0003) - permissio<4>[ 55.153846] 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 ns violation # [ 45.061231] PGD 135a29067 P4D 135a29067 PUD 1<4>[ 55.181350] RSP: 002b:00007ffce84291c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 35a2a063 PMD 80000001352000e1 # [ 45.069300] Oops: 0003 [#14<4>[ 55.196315] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f2caead9473 ] SMP PTI # [ 45.073581] CPU: 0 PID: 1905 Comm: cat Tainted: <4>[ 55.210788] RDX: 0000000000000017 RSI: 00007f2cae9cd000 RDI: 0000000000000001 G D W 5.10.209-cip44 #1 # [ 45.082522] Hardware <4>[ 55.225292] RBP: 00007f2cae9cd000 R08: 00007f2cae9cc010 R09: 0000000000000000 name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 45.089620] R<4>[ 55.239771] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 IP: 0010:lkdtm_WRITE_RO+0x2e/0x3a # [ 45.094878] Code: 00 48 <4>[ 55.254256] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 c7 c7 28 b1 21 9f 48 c7 c6 b0 44 d9 9e e8 a0 d9 fb ff 48 8b 05 a<4>[ 55.268748] irq event stamp: 0 4 0d d5 00 ba 34 12 cd ab 48 c7 c7 58 b1 21 9f 48 31 d0 <48> 89 <4>[ 55.278692] hardirqs last enabled at (0): [<0000000000000000>] 0x0 05 8e 0d d5 00 e9 7e d9 fb ff 0f 1f 44 00 00 48 8b 05 1d cc # [<4>[ 55.292185] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 45.116148] RSP: 0018:ffff9461c2667e60 EFLAGS: 00010202 # [ <4>[ 55.307850] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 45.122273] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 000<4>[ 55.323485] softirqs last disabled at (0): [<0000000000000000>] 0x0 0000000000000 # [ 45.130535] RDX: 00000000abcd1234 RSI: ffff8<4>[ 55.337007] ---[ end trace 10c52649da3a305b ]--- 8ff3ac1bf50 RDI: ffffffff9f21b158 # [ 45.138796] RBP: fffffff<6>[ 55.348690] lkdtm: Saturation detected: still saturated f9f21a345 R08: 0000000000000000 R09: 0000000000000000 # [ 45.147059] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 # [ 45.155321] R13: ffff9461c2667f10 R14: ffff9461c2667f10 R15: ffff88fec6511000 # [ 45.163583] FS: 00007fe769d00580(0000) GS:ffff88ff3ac00000(0000) knlGS:0000000000000000 # [ 45.172905] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 45.179613] CR2: ffffffff9ed944b0 CR3: 00000001034cc002 CR4: 00000000003706f0 # [ 45.187875] Call Trace: # [ 45.190897] ? __die_body.cold+0x1a/0x1f # [ 45.195573] ? no_context+0x177/0x380 # [ 45.199953] ? exc_page_fault+0xd7/0x170 # [ 45.204629] ? asm_exc_page_fault+0x1e/0x30 # [ 45.209591] ? lkdtm_WRITE_RO+0x2e/0x3a # [ 45.214168] direct_entry.cold+0x2c/0x38 # [ 45.218838] full_proxy_write+0x53/0x80 # [ 45.223417] vfs_write+0xe7/0x3b0 # [ 45.227406] ksys_write+0x68/0xf0 # [ 45.231387] do_syscall_64+0x30/0x40 # [ 45.235667] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 45.241591] RIP: 0033:0x7fe769c16473 # [ 45.245870] 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 # [ 45.267148] RSP: 002b:00007ffc3276d418 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 45.275888] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007fe769c16473 # [ 45.284150] RDX: 0000000000000009 RSI: 00007fe769b0a000 RDI: 0000000000000001 # [ 45.292410] RBP: 00007fe769b0a000 R08: 00007fe769b09010 R09: 0000000000000000 # [ 45.300674] R10: fffffffffffffbc5 R11: 00000000<6>[ 55.517222] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED 00000246 R12: 0000000000000001 # [ 45.308927] R13: 0000000000<6>[ 55.529708] lkdtm: attempting bad refcount_dec() from saturated <4>[ 55.542861] ------------[ cut here ]------------ <4>[ 55.548333] refcount_t: saturated; leaking memory. <4>[ 55.554007] WARNING: CPU: 2 PID: 2427 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 000001 R14: 0000000000020000 R15: 0000000000020000 # [ 45.317<4>[ 55.563737] 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_sysfs uvcvideo cros_usbpd_logger cros_ec_chardev videobuf2_vmalloc cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common cros_usbpd_notify snd_pcm_dmaengine regmap_i2c i2c_hid cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 55.622751] CPU: 2 PID: 2427 Comm: cat Tainted: G D W 5.10.209-cip44 #1 191] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec<4>[ 55.631708] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 55.645016] RIP: 0010:refcount_warn_saturate+0x51/0x110 <4>[ 55.651146] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d f9 ea 36 02 00 75 ee 48 c7 c7 f8 4d 17 9f c6 05 e9 ea 36 02 01 e8 89 2d c4 00 <0f> 0b c3 cc cc cc cc 80 3d d5 ea 36 02 00 75 cb 48 c7 c7 20 4e 17 <4>[ 55.672426] RSP: 0018:ffff9461c2eb7e48 EFLAGS: 00010286 <4>[ 55.678555] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 <4>[ 55.686820] RDX: ffff88ff3ad2c620 RSI: ffff88ff3ad1bf50 RDI: ffff88ff3ad1bf50 <4>[ 55.695087] RBP: ffffffff9f21a413 R08: 0000000000000000 R09: 0000000000000000 <4>[ 55.703354] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 <4>[ 55.711620] R13: ffff9461c2eb7f10 R14: ffff9461c2eb7f10 R15: ffff88fec31fc000 <4>[ 55.719886] FS: 00007fb85f94c580(0000) GS:ffff88ff3ad00000(0000) knlGS:0000000000000000 <4>[ 55.729221] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 55.735932] CR2: 00007fb85f756000 CR3: 00000001060fa004 CR4: 00000000003706e0 <4>[ 55.744198] Call Trace: <4>[ 55.747223] ? __warn+0x80/0x110 <4>[ 55.751151] ? refcount_warn_saturate+0x51/0x110 <4>[ 55.756634] ? report_bug+0x9e/0xc0 <4>[ 55.760850] ? handle_bug+0x41/0x90 <4>[ 55.765036] ? exc_invalid_op+0x14/0x70 <4>[ 55.769614] ? asm_exc_invalid_op+0x12/0x20 <4>[ 55.774585] ? refcount_warn_saturate+0x51/0x110 <4>[ 55.780066] ? refcount_warn_saturate+0x51/0x110 <4>[ 55.785515] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 <4>[ 55.791259] direct_entry.cold+0x2c/0x38 <4>[ 55.795962] full_proxy_write+0x53/0x80 _sensors cros_ec_sensors_core industrialio_triggered_buffer kfif<4>[ 55.800574] vfs_write+0xe7/0x3b0 o_buf industrialio snd_soc_da7219 cros_ec_debugfs cros_ec_sysfs <4>[ 55.810783] ksys_write+0x68/0xf0 uvcvideo cros_usbpd_logger cros_ec_chardev videobuf2_vmalloc cro<4>[ 55.820990] do_syscall_64+0x30/0x40 <4>[ 55.831491] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 55.837458] RIP: 0033:0x7fb85f862473 <4>[ 55.841742] 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 <4>[ 55.863023] RSP: 002b:00007fffa80d6088 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 55.871777] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fb85f862473 <4>[ 55.880044] RDX: 0000000000000017 RSI: 00007fb85f756000 RDI: 0000000000000001 <4>[ 55.888309] RBP: 00007fb85f756000 R08: 00007fb85f755010 R09: 0000000000000000 <4>[ 55.896576] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 55.904843] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 55.913113] irq event stamp: 0 <4>[ 55.916842] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 55.924139] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 55.933572] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 55.943004] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 55.950298] ---[ end trace 10c52649da3a305c ]--- <6>[ 55.955746] lkdtm: Saturation detected: still saturated s_ec_lightbar cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common cros_usbpd_notify snd_pcm_dmaengine regmap_i2c i2c_hid cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 45.369966] CR2: ffffffff9ed944b0 # [ 45.373954] ---[ end trace 10c52649da3a304d ]--- # [ 45.379400] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 45.384058] Code: 89 ff e8 5e d2 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 d0 9a 2a 03 # [ 45.405335] RSP: 0018:ffff9461c1327e60 EFLAGS: 00010282 # [ 45.411460] RAX: ffffffff9d97c220 RBX: 0000000000000001 RCX: 0000000000000000 # [ 45.419723] RDX: 0000000000000000 RSI: ffff88ff3ac9bf50 RDI: ffffffff9ed94030 # [ 45.427984] RBP: ffffffff9f27e9e8 R08: 0000000000000001 R09: 0000000000000001 # [ 45.436245] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 45.444505] R13: ffff9461c1327f10 R14: ffff9461c1327f10 R15: ffff88fec3073000 # [ 45.452767] FS: 00007fe769d00580(0000) GS:ffff88ff3ac00000(0000) knlGS:0000000000000000 # [ 45.462097] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 45.468806] CR2: ffffffff9ed944b0 CR3: 00000001034cc002 CR4:<6>[ 56.086414] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED <6>[ 56.100561] lkdtm: attempting bad refcount_inc_not_zero() from saturated <4>[ 56.108398] ------------[ cut here ]------------ 00000000003706f0 # WRITE_RO: saw 'call trace:': ok ok 39 self<4>[ 56.113854] refcount_t: saturated; leaking memory. tests: lkdtm: WRITE_RO.sh # selftests: lkdtm: WRITE_RO_AFTER_IN<4>[ 56.125724] WARNING: CPU: 3 PID: 2461 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 IT.sh # Killed # [ 45.635211] lkdtm: Performing direct entry<4>[ 56.141671] 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_sysfs uvcvideo cros_usbpd_logger cros_ec_chardev videobuf2_vmalloc cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common cros_usbpd_notify snd_pcm_dmaengine regmap_i2c i2c_hid cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 56.200661] CPU: 3 PID: 2461 Comm: cat Tainted: G D W 5.10.209-cip44 #1 WRITE_RO_AFTER_INIT # [ 45.645516] lkdtm: attempting bad ro_<4>[ 56.209619] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 56.222928] RIP: 0010:refcount_warn_saturate+0x97/0x110 <4>[ 56.229055] Code: 02 01 e8 66 2d c4 00 0f 0b c3 cc cc cc cc 80 3d b4 ea 36 02 00 75 a8 48 c7 c7 f8 4d 17 9f c6 05 a4 ea 36 02 01 e8 43 2d c4 00 <0f> 0b c3 cc cc cc cc 80 3d 8e ea 36 02 00 75 85 48 c7 c7 50 4e 17 <4>[ 56.250346] RSP: 0018:ffff9461c2f47e38 EFLAGS: 00010282 <4>[ 56.256473] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 <4>[ 56.264736] RDX: ffff88ff3adac620 RSI: ffff88ff3ad9bf50 RDI: ffff88ff3ad9bf50 <4>[ 56.272999] RBP: ffffffff9f21a040 R08: 0000000000000000 R09: 0000000000000000 <4>[ 56.281254] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 <4>[ 56.289516] R13: ffff9461c2f47f10 R14: ffff9461c2f47f10 R15: ffff88fec2952000 <4>[ 56.297771] FS: 00007f4019833580(0000) GS:ffff88ff3ad80000(0000) knlGS:0000000000000000 <4>[ 56.307105] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 56.313815] CR2: 00007f401963d000 CR3: 00000001060fa005 CR4: 00000000003706e0 <4>[ 56.322078] Call Trace: <4>[ 56.325101] ? __warn+0x80/0x110 <4>[ 56.329027] ? refcount_warn_saturate+0x97/0x110 <4>[ 56.334476] ? report_bug+0x9e/0xc0 after_init write at ffffffff9f2a0350 # [ 45.659641] BUG: unab<4>[ 56.338673] ? handle_bug+0x41/0x90 <4>[ 56.349071] ? exc_invalid_op+0x14/0x70 <4>[ 56.353662] ? asm_exc_invalid_op+0x12/0x20 le to handle page fault for address: ffffffff9f2a0350 # [ 45.<4>[ 56.358639] ? refcount_warn_saturate+0x97/0x110 <4>[ 56.370294] ? refcount_warn_saturate+0x97/0x110 <4>[ 56.375741] __refcount_add_not_zero.constprop.0+0x2a/0x35 <4>[ 56.382161] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 <4>[ 56.388776] direct_entry.cold+0x2c/0x38 673780] #PF: supervisor write access in kernel mode # [ 45.67<4>[ 56.393453] full_proxy_write+0x53/0x80 9895] #PF: error_code(0x0003) - permissions violation # [ 45.<4>[ 56.404245] vfs_write+0xe7/0x3b0 686407] PGD 135a29067 P4D 135a29067 PUD 135a2a063 PMD 1053b9063 <4>[ 56.414454] ksys_write+0x68/0xf0 PTE 80000001358a0061 # [ 45.695747] Oops: 0003 [#15] SMP PTI <4>[ 56.424672] do_syscall_64+0x30/0x40 <4>[ 56.435172] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 56.441106] RIP: 0033:0x7f4019749473 <4>[ 56.445387] 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 # [ 45.700027] CPU: 0 PID: 1941 Comm: cat Tainted: G D W<4>[ 56.466669] RSP: 002b:00007ffe41b31818 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 56.481635] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f4019749473 <4>[ 56.489898] RDX: 0000000000000020 RSI: 00007f401963d000 RDI: 0000000000000001 <4>[ 56.498154] RBP: 00007f401963d000 R08: 00007f401963c010 R09: 0000000000000000 <4>[ 56.506417] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 56.514682] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 56.522951] irq event stamp: 0 <4>[ 56.526682] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 56.533974] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 56.543404] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 56.552836] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 56.560129] ---[ end trace 10c52649da3a305d ]--- <6>[ 56.565577] lkdtm: Saturation detected: still saturated 5.10.209-cip44 #1 # [ 45.708969] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 45.716068] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a # [ 45.722387] Code: b1 21 9f e9 52 d9 fb ff 48 c7 c7 b0 b1 21 9f e8 46 d9 fb ff 48 8b 05 ea cb 25 01 ba 34 12 cd ab 48 c7 c7 58 b1 21 9f 48 31 d0 <48> 89 05 d4 cb 25 01 e9 24 d9 fb ff 0f 1f 44 00 00 41 54 48 c7 c7 # [ 45.743667] RSP: 0018:ffff9461c26e7e60 EFLAGS: 00010202 # [ 45.749792] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 # [ 45.758053] RDX: 00000000abcd1234 RSI: ffff88ff3ac1bf50 RDI: ffffffff9f21b158 # [ 45.766314] RBP: ffffffff9f21a34e R08: 0000000000000000 R09: 0000000000000000 # [ 45.774575] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 # [ 45.782836] R13: ffff9461c26e7f10 R14: ffff9461c26e7f10 R15: ffff88fec4aa2000 # [ 45.791098] FS: 00007f20ecf54580(0000) GS:ffff88ff3ac00000(0000) knlGS:0000000000000000 # [ 45.800429] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 45.807137] CR2: ffffffff9f2a0350 CR3: 00000001034cc005 CR4: 00000000003706f0 # [ 45.815398] Call Trace: # [ 45.818418] ? __die_body.cold+0x1a/0x1f # [ 45.823092] ? no_context+0x177/0x380 # [ 45.827464] ? exc_page_fault+0xd7/0x170 # [ 45.832139] ? asm_exc_page_fault+0x1e/0x30 # [ 45.837101<6>[ 56.700862] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED ] ? lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a # [ 45.842747] dire<6>[ 56.710315] lkdtm: attempting bad refcount_add_not_zero() from saturated ct_entry.cold+0x2c/0x38 # [ 45.847417] full_proxy_write+0x53<4>[ 56.724409] ------------[ cut here ]------------ /0x80 # [ 45.851990] vfs_write+0xe7/0x3b0 # [ 45.855979] <4>[ 56.736037] refcount_t: saturated; leaking memory. ksys_write+0x68/0xf0 # [ 45.859969] do_syscall_64+0x30/0x40<4>[ 56.747983] WARNING: CPU: 0 PID: 2494 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 45.864250] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # <4>[ 56.763827] 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_sysfs uvcvideo cros_usbpd_logger cros_ec_chardev videobuf2_vmalloc cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common cros_usbpd_notify snd_pcm_dmaengine regmap_i2c i2c_hid cros_kbd_led_backlight chromeos_pstore coreboot_table [ 45.870182] RIP: 0033:0x7f20ece6a473 # [ 45.874461] Code: <4>[ 56.822827] CPU: 0 PID: 2494 Comm: cat Tainted: G D W 5.10.209-cip44 #1 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1<4>[ 56.837970] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <4<4>[ 56.851311] RIP: 0010:refcount_warn_saturate+0x97/0x110 8> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 1<4>[ 56.863629] Code: 02 01 e8 66 2d c4 00 0f 0b c3 cc cc cc cc 80 3d b4 ea 36 02 00 75 a8 48 c7 c7 f8 4d 17 9f c6 05 a4 ea 36 02 01 e8 43 2d c4 00 <0f> 0b c3 cc cc cc cc 80 3d 8e ea 36 02 00 75 85 48 c7 c7 50 4e 17 8 # [ 45.895738] RSP: 002b:00007ffd44e3cd48 EFLAGS: 00000246 <4>[ 56.891150] RSP: 0018:ffff9461c2fcfe38 EFLAGS: 00010282 ORIG_RAX: 0000000000000001 # [ 45.904485] RAX: ffffffffffffff<4>[ 56.903480] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 da RBX: 0000000000000014 RCX: 00007f20ece6a473 # [ 45.912746]<4>[ 56.917978] RDX: ffff88ff3ac2c620 RSI: ffff88ff3ac1bf50 RDI: ffff88ff3ac1bf50 RDX: 0000000000000014 RSI: 00007f20ecd5e000 RDI: 00000000000000<4>[ 56.932449] RBP: ffffffff9f21a060 R08: 0000000000000000 R09: 0000000000000000 01 # [ 45.921007] RBP: 00007f20ecd5e000 R08: 00007f20ecd5d010<4>[ 56.946956] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 R09: 0000000000000000 # [ 45.929267] R10: fffffffffffffbc5 R<4>[ 56.961420] R13: ffff9461c2fcff10 R14: ffff9461c2fcff10 R15: ffff88fec334e000 11: 0000000000000246 R12: 0000000000000001 # [ 45.937528] R13<4>[ 56.975925] FS: 00007f8f8e59b580(0000) GS:ffff88ff3ac00000(0000) knlGS:0000000000000000 : 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 56.991462] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 45.945792] Modules linked in: fuse ip_tables cros_ec_lid_a<4>[ 57.004401] CR2: 00007f8f8e3a5000 CR3: 000000010326c002 CR4: 00000000003706f0 ngle cros_ec_sensors cros_ec_sensors_core industrialio_triggered<4>[ 57.018868] Call Trace: _buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_debugfs cr<4>[ 57.028130] ? __warn+0x80/0x110 os_ec_sysfs uvcvideo cros_usbpd_logger cros_ec_chardev videobuf2<4>[ 57.038227] ? refcount_warn_saturate+0x97/0x110 _vmalloc cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub v<4>[ 57.049901] ? report_bug+0x9e/0xc0 ideobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_th<4>[ 57.060291] ? handle_bug+0x41/0x90 ermal cros_ec_dev snd_compress videobuf2_common cros_usbpd_notif<4>[ 57.070735] ? exc_invalid_op+0x14/0x70 y snd_pcm_dmaengine regmap_i2c i2c_hid cros_kbd_led_backlight ch<4>[ 57.081515] ? asm_exc_invalid_op+0x12/0x20 romeos_pstore coreboot_table # [ 45.998567] CR2: ffffffff9f2a<4>[ 57.092703] ? refcount_warn_saturate+0x97/0x110 0350 # [ 46.002556] ---[ end trace 10c52649da3a304e ]--- # [<4>[ 57.104369] ? refcount_warn_saturate+0x97/0x110 46.008004] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 46.012672] Cod<4>[ 57.116076] __refcount_add_not_zero.constprop.0+0x2a/0x35 e: 89 ff e8 5e d2 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea f<4>[ 57.128697] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 f ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00<4>[ 57.141544] direct_entry.cold+0x2c/0x38 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 d0 9a 2<4>[ 57.152432] full_proxy_write+0x53/0x80 a 03 # [ 46.033948] RSP: 0018:ffff9461c1327e60 EFLAGS: 000102<4>[ 57.163205] vfs_write+0xe7/0x3b0 82 # [ 46.040065] RAX: ffffffff9d97c220 RBX: 0000000000000001<4>[ 57.173414] ksys_write+0x68/0xf0 RCX: 0000000000000000 # [ 46.048328] RDX: 0000000000000000 R<4>[ 57.183669] do_syscall_64+0x30/0x40 SI: ffff88ff3ac9bf50 RDI: ffffffff9ed94030 # [ 46.056589] RBP<4>[ 57.194148] entry_SYSCALL_64_after_hwframe+0x62/0xc7 : ffffffff9f27e9e8 R08: 0000000000000001 R09: 0000000000000001 <4>[ 57.206269] RIP: 0033:0x7f8f8e4b1473 # [ 46.064852] R10: 00000000ffffe000 R11: 3fffffffffffffff R12<4>[ 57.216806] 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 : 0000000000000004 # [ 46.073114] R13: ffff9461c1327f10 R14: <4>[ 57.244308] RSP: 002b:00007ffe9e87ea28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 ffff9461c1327f10 R15: ffff88fec3073000 # [ 46.081374] FS: 00<4>[ 57.259295] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f8f8e4b1473 007f20ecf54580(0000) GS:ffff88ff3ac00000(0000) knlGS:00000000000<4>[ 57.273777] RDX: 0000000000000020 RSI: 00007f8f8e3a5000 RDI: 0000000000000001 00000 # [ 46.090703] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000<4>[ 57.288283] RBP: 00007f8f8e3a5000 R08: 00007f8f8e3a4010 R09: 0000000000000000 <4>[ 57.302728] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 080050033 # [ 46.097410] CR2: ffffffff9f2a0350 CR3: 000000010<4>[ 57.311028] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 34cc005 CR4: 00000000003706f0 # [ 46.105673] BUG: sleeping fu<4>[ 57.325509] irq event stamp: 0 nction called from invalid context at include/linux/percpu-rwsem<4>[ 57.335385] hardirqs last enabled at (0): [<0000000000000000>] 0x0 .h:49 # [ 46.115868] in_atomic(): 0, irqs_disabled(): 1, non_<4>[ 57.348933] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 block: 0, pid: 1941, name: cat # [ 46.124615] INFO: lockdep i<4>[ 57.364562] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 s turned off. # [ 46.129281] irq event stamp: 0 # [ 46.132<4>[ 57.380248] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 57.393719] ---[ end trace 10c52649da3a305e ]--- 979] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # <6>[ 57.399199] lkdtm: Saturation detected: still saturated [ 46.140262] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 46.149689] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 46.159106] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 46.166395] CPU: 0 PID: 1941 Comm: cat Tainted: G D W 5.10.209-cip44 #1 # [ 46.175337] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 46.182431] Call Trace: # [ 46.185450] dump_stack+0x77/0x9b # [ 46.189440] ___might_sleep.cold+0xa6/0xb6 # [ 46.194303] exit_signals+0x1c/0x300 # [ 46.198589] do_exit+0xc2/0xab0 # [ 46.202383] ? ksys_write+0x68/0xf0 # [ 46.206566] make_task_dead+0x2f/0x30 # [ 46.210934] rewind_stack_and_make_dead+0x17/0x20 # [ 46.216475] RIP: 0033:0x7f20ece6a473 # [ 46.220753] 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 # [ 46.242027] RSP: 002b:00007ffd44e3cd48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 46.250776] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f20ece6a473 # [ 46.259029] RDX: 0000000000000014 RSI: 00007f20ecd5e000 RDI: 0000000000000001 # [ 46.267288] RBP: 00007f20ecd5e000 R08: 00007f20ecd5d010 R09: 0000000000000000 # [ 46.275548] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 46.283810] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # WRITE_RO_AFTER_INIT: saw 'call trace:': ok ok 40 selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # selftests: lkdtm: WRITE_KERN.sh # Killed # [ 46.458175] lkdtm: Performing direct entry WRITE_KERN # [ 46.465849] lkdtm: attempting bad 7106710 byte wr<6>[ 57.583304] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED <6>[ 57.593527] lkdtm: attempting bad refcount_dec_and_test() from saturated <4>[ 57.601314] ------------[ cut here ]------------ <4>[ 57.606764] refcount_t: underflow; use-after-free. <4>[ 57.612433] WARNING: CPU: 2 PID: 2530 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 ite at ffffffff9e043686 # [ 46.473683] BUG: unable to handle <4>[ 57.622161] 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_sysfs uvcvideo cros_usbpd_logger cros_ec_chardev videobuf2_vmalloc cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common cros_usbpd_notify snd_pcm_dmaengine regmap_i2c i2c_hid cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 57.681126] CPU: 2 PID: 2530 Comm: cat Tainted: G D W 5.10.209-cip44 #1 page fault for address: ffffffff9e043686 # [ 46.481676] #PF: <4>[ 57.690096] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 57.703416] RIP: 0010:refcount_warn_saturate+0xba/0x110 <4>[ 57.709577] Code: 02 01 e8 43 2d c4 00 0f 0b c3 cc cc cc cc 80 3d 8e ea 36 02 00 75 85 48 c7 c7 50 4e 17 9f c6 05 7e ea 36 02 01 e8 20 2d c4 00 <0f> 0b c3 cc cc cc cc 80 3d 69 ea 36 02 00 0f 85 5e ff ff ff 48 c7 <4>[ 57.730858] RSP: 0018:ffff9461c3067e40 EFLAGS: 00010286 <4>[ 57.736989] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 <4>[ 57.745255] RDX: ffff88ff3ad2c620 RSI: ffff88ff3ad1bf50 RDI: ffff88ff3ad1bf50 <4>[ 57.753521] RBP: ffffffff9f21a080 R08: 0000000000000000 R09: 0000000000000000 <4>[ 57.761785] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 <4>[ 57.770053] R13: ffff9461c3067f10 R14: ffff9461c3067f10 R15: ffff88fec2648000 <4>[ 57.778319] FS: 00007f0cd1bc8580(0000) GS:ffff88ff3ad00000(0000) knlGS:0000000000000000 <4>[ 57.787671] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 supervisor write access in kernel mode # [ 46.494006] #PF: er<4>[ 57.794385] CR2: 00007f0cd19d2000 CR3: 0000000103122004 CR4: 00000000003706e0 <4>[ 57.808859] Call Trace: <4>[ 57.811886] ? __warn+0x80/0x110 <4>[ 57.815813] ? refcount_warn_saturate+0xba/0x110 <4>[ 57.821265] ? report_bug+0x9e/0xc0 <4>[ 57.825482] ? handle_bug+0x41/0x90 ror_code(0x0003) - permissions violation # [ 46.500521] PGD 1<4>[ 57.829672] ? exc_invalid_op+0x14/0x70 <4>[ 57.840461] ? asm_exc_invalid_op+0x12/0x20 <4>[ 57.845462] ? refcount_warn_saturate+0xba/0x110 <4>[ 57.850943] __refcount_sub_and_test.constprop.0+0x3c/0x50 <4>[ 57.857365] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 <4>[ 57.864004] direct_entry.cold+0x2c/0x38 <4>[ 57.868692] full_proxy_write+0x53/0x80 35a29067 P4D 135a29067 PUD 135a2a063 PMD 1346000e1 # [ 46.51<4>[ 57.873276] vfs_write+0xe7/0x3b0 4130] Oops: 0003 [#16] SMP PTI # [ 46.518404] CPU: 2 PID: 197<4>[ 57.883484] ksys_write+0x68/0xf0 <4>[ 57.893693] do_syscall_64+0x30/0x40 <4>[ 57.897984] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 57.903918] RIP: 0033:0x7f0cd1ade473 <4>[ 57.908200] 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 <4>[ 57.929503] RSP: 002b:00007ffc51e66978 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 7 Comm: cat Tainted: G D W 5.10.209-cip44 #1 # [ <4>[ 57.938266] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f0cd1ade473 <4>[ 57.952740] RDX: 0000000000000020 RSI: 00007f0cd19d2000 RDI: 0000000000000001 <4>[ 57.961005] RBP: 00007f0cd19d2000 R08: 00007f0cd19d1010 R09: 0000000000000000 <4>[ 57.969269] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 57.977533] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 57.985801] irq event stamp: 0 <4>[ 57.989531] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 57.996825] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 58.006256] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 58.015686] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 58.022980] ---[ end trace 10c52649da3a305f ]--- <6>[ 58.028429] lkdtm: Saturation detected: still saturated 46.527346] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 46.534445] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e # [ 46.546109] Code: 53 48 c7 c3 86 36 04 9e 49 89 dc 48 89 da 49 81 ec f0 c5 97 9d 4c 89 e6 e8 f9 d8 fb ff 48 89 df 4c 89 e1 48 c7 c6 f0 c5 97 9d a4 48 c7 c7 58 b1 21 9f e8 de d8 fb ff 5b 41 5c e9 b7 fe ff ff # [ 46.567377] RSP: 0018:ffff9461c2787e50 EFLAGS: 00010246 # [ 46.573502] RAX: 000000000000003c RBX: ffffffff9e043686 RCX: 00000000006c7096 # [ 46.581764] RDX: 0000000000000000 RSI: ffffffff9d97c5f0 RDI: ffffffff9e043686 # [ 46.590024] RBP: ffffffff9f21a362 R08: 0000000000000000 R09: 0000000000000000 # [ 46.598286] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000006c7096 # [ 46.606548] R13: ffff9461c2787f10 R14: ffff9461c2787f10 R15: ffff88fec3340000 # [ 46.614810] FS: 00007efd698c8580(0000) GS:ffff88ff3ad00000(0000) knlGS:0000000000000000 # [ 46.624139] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 46.630846] CR2: ffffffff9e043686 CR3: 0000000103090002 CR4: 00000000003706e0 # [ 46.639107] Call Trace: # [ 46.642126] ? __die_body.cold+0x1a/0x1f # [ 46.646796] ? no_context+0x177/0x380 # [ 46.651166] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 # [ 46.656903] ? exc_page_fault+0xd7/0x170 # [ 46.661573] ? asm_exc_page_fault+0x1e/0x30 # [ 46.666533] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 # [ 46.672272] ? lkdtm_SLAB_FREE_PAGE+0x40/0x40 # [ 46.677426] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 # [ 46.683164] ? lkdtm_WRITE_KERN+0x38/0x4e # [ 46.687921] direct_entry.cold+0x2c/0x38 # [ 46.692591] full_proxy_write+0x53/0x80 # [ 46.697155] vfs_write+0xe7/0x3b0 # [ 46.701143] ksys_write+0x68/0xf0 # [ 46.705133] do_syscall_64+0x30/0x40 # [ 46.709405] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 46.715338] RIP: 0033:0x7efd697de473 # [ 46.719618] 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 # [ 46.740887] RSP: 002b:00007ffc6633d4a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 46.749634] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007efd697de473 # [ 46.757896] RDX: 000000000000000b RSI: 00007efd696d2000 RDI: 0000000000000001 # [ 46.766157] RBP: 00007efd696d2000 R08: 00007efd696d1010 R09: 0000000000000000 # [ 46.774419] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 46.782680] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 46.790944] 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_sysfs uvcvideo cros_usbpd_logger cros_ec_chardev videobuf2_vmalloc cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common cros_usbpd_notify snd_pcm_dmaengine regmap_i2c i2c_hid cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 46.849946] CR2: ffffffff9e043686 # [ 46.853934] ---[ end trace 10c52649da3a304f ]--- # [ 46.859380] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 46.864047] Code: 89 ff e8 5e d2 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 d0 9a 2a 03 # [ 46.885322] RSP: 0018:ffff9461c1327e60 EFLAGS: 00010282 # [ 46.8914<6>[ 58.387627] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED <6>[ 58.395770] lkdtm: attempting bad refcount_sub_and_test() from saturated 47] RAX: ffffffff9d97c220 RBX: 0000000000000001 RCX: 00000000000<4>[ 58.403566] ------------[ cut here ]------------ <4>[ 58.415218] refcount_t: underflow; use-after-free. <4>[ 58.420896] WARNING: CPU: 2 PID: 2566 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 00000 # [ 46.899722] RDX: 0000000000000000 RSI: ffff88ff3ac9b<4>[ 58.430624] 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_sysfs uvcvideo cros_usbpd_logger cros_ec_chardev videobuf2_vmalloc cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common cros_usbpd_notify snd_pcm_dmaengine regmap_i2c i2c_hid cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 58.489591] CPU: 2 PID: 2566 Comm: cat Tainted: G D W 5.10.209-cip44 #1 <4>[ 58.498536] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 58.505637] RIP: 0010:refcount_warn_saturate+0xba/0x110 <4>[ 58.511765] Code: 02 01 e8 43 2d c4 00 0f 0b c3 cc cc cc cc 80 3d 8e ea 36 02 00 75 85 48 c7 c7 50 4e 17 9f c6 05 7e ea 36 02 01 e8 20 2d c4 00 <0f> 0b c3 cc cc cc cc 80 3d 69 ea 36 02 00 0f 85 5e ff ff ff 48 c7 <4>[ 58.533045] RSP: 0018:ffff9461c3107e40 EFLAGS: 00010286 <4>[ 58.539173] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 <4>[ 58.547437] RDX: ffff88ff3ad2c620 RSI: ffff88ff3ad1bf50 RDI: ffff88ff3ad1bf50 <4>[ 58.555720] RBP: ffffffff9f21a0a0 R08: 0000000000000000 R09: 0000000000000000 <4>[ 58.563984] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 <4>[ 58.572246] R13: ffff9461c3107f10 R14: ffff9461c3107f10 R15: ffff88fec64df000 <4>[ 58.580502] FS: 00007f031167b580(0000) GS:ffff88ff3ad00000(0000) knlGS:0000000000000000 <4>[ 58.589836] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 58.596547] CR2: 00007f0311485000 CR3: 0000000102a1e001 CR4: 00000000003706e0 <4>[ 58.604812] Call Trace: <4>[ 58.607837] ? __warn+0x80/0x110 <4>[ 58.611761] ? refcount_warn_saturate+0xba/0x110 <4>[ 58.617210] ? report_bug+0x9e/0xc0 <4>[ 58.621398] ? handle_bug+0x41/0x90 <4>[ 58.625584] ? exc_invalid_op+0x14/0x70 <4>[ 58.630158] ? asm_exc_invalid_op+0x12/0x20 <4>[ 58.635124] ? refcount_warn_saturate+0xba/0x110 <4>[ 58.640598] __refcount_sub_and_test.constprop.0+0x3c/0x50 <4>[ 58.647039] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 f50 RDI: ffffffff9ed94030 # [ 46.907984] RBP: ffffffff9f27e9e<4>[ 58.653671] direct_entry.cold+0x2c/0x38 8 R08: 0000000000000001 R09: 0000000000000001 # [ 46.916247] <4>[ 58.664564] full_proxy_write+0x53/0x80 R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000<4>[ 58.675357] vfs_write+0xe7/0x3b0 <4>[ 58.685585] ksys_write+0x68/0xf0 4 # [ 46.924508] R13: ffff9461c1327f10 R14: ffff9461c1327f10 <4>[ 58.689580] do_syscall_64+0x30/0x40 <4>[ 58.700074] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 58.706009] RIP: 0033:0x7f0311591473 <4>[ 58.710291] 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 <4>[ 58.731594] RSP: 002b:00007ffd37adcc98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 R15: ffff88fec3073000 # [ 46.932771] FS: 00007efd698c8580(00<4>[ 58.740358] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f0311591473 <4>[ 58.754827] RDX: 0000000000000020 RSI: 00007f0311485000 RDI: 0000000000000001 <4>[ 58.763093] RBP: 00007f0311485000 R08: 00007f0311484010 R09: 0000000000000000 <4>[ 58.771360] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 58.779624] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 58.787893] irq event stamp: 0 <4>[ 58.791623] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 58.798918] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 58.808350] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 58.817781] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 58.825074] ---[ end trace 10c52649da3a3060 ]--- <6>[ 58.830523] lkdtm: Saturation detected: still saturated 00) GS:ffff88ff3ad00000(0000) knlGS:0000000000000000 # [ 46.942091] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 46.948797] CR2: ffffffff9e043686 CR3: 0000000103090002 CR4: 00000000003706e0 # WRITE_KERN: saw 'call trace:': ok ok 41 selftests: lkdtm: WRITE_KERN.sh # selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # [ 47.099802] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 47.107118] lkdtm: attempting good refcount_inc() without overflow # [ 47.114316] lkdtm: attempting bad refcount_inc() overflow # [ 47.120644] ------------[ cut here ]------------ # [ 47.126093] refcount_t: saturated; leaking memory. # [ 47.131764] WARNING: CPU: 3 PID: 2013 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 47.141492] 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_sysfs uvcvideo cros_usbpd_logger cros_ec_chardev videobuf2_vmalloc cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common cros_usbpd_notify snd_pcm_dmaengine regmap_i2c i2c_hid cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 47.200452] CPU: 3 PID: 2013 Comm: cat Tainted: G D W 5.10.209-cip44 #1 # [ 47.209401] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 47.216512] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 47.228846] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d f9 ea 36 02 00 75 ee 48 c7 c7 f8 4d 17 9f c6 05 e9 ea 36 02 01 e8 89 2d c4 00 <0f> 0b c3 cc cc cc cc 80 3d d5 ea 36 02 00 75 cb 48 c7 c7 20 4e 17 # [ 47.250147] RSP: 0018:ffff9461c2817e48 EFLAGS: 00010286 # [ 47.256276] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 # [ 47.264539] RDX: ffff88ff3adac620 RSI: ffff88ff3ad9bf50 RDI: ffff88ff3ad9bf50 # [ 47.272803] RBP: ffffffff9f21a36d R08: 0000000000000000 R09: 0000000000000000 # [ 47.281067] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 47.289330] R13: ffff9461c2817f10 R14: ffff9461c2817f10 R15: ffff88fec2ee0000 # [ 47.297595] FS: 00007f882f827580(0000) GS:ffff88ff3ad80000(0000) knlGS:0000000000000000 # [ 47.306929] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 47.313659] CR2: 00007f882f631000 CR3: 0000000106010002 CR4: 00000000003706e0 # [ 47.321932] Call Trace: # [ 47.331173] ? __warn+0x80/0x110 # [ 47.341277] ? refcount_warn_saturate+0x51/0x110 # [ 47.352943] ? report_bug+0x9e/0xc0 # [ 47.357153] ? handle_bug+0x41/0x90 # [ 47.361371] ? exc_invalid_op+0x14/0x70 # [ 47.365946] ? asm_exc_invalid_op+0x12/0x20 # [ 47.370915] ? refcount_warn_saturate+0x51/0x110 # [ 47.382576] ? refcount_warn_saturate+0x51/0x110 # [ 47.388025] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 # [ 47.393675] direct_entry.cold+0x2c/0x38 # [ 47.404556] full_proxy_write+0x53/0x80 # [ 47.409159] vfs_write+0xe7/0x3b0 # [ 47.419377] ksys_write+0x68/0xf0 # [ 47.423380] do_syscall_64+0x30/0x40 # [ 47.433872] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 47.439808] RIP: 0033:0x7f882f73d473 # [ 47.444091] 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 # [ 47.465369] RSP: 002b:00007fffe2505cd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 47.474144] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f882f73d473 # [ 47.482409] RDX: 0000000000000016 RSI: 00007f882f631000 RDI: 0000000000000001 # [ 47.490674] RBP: 00007f882f631000 R08: 00007f882f630010 R09: 0000000000000000 # [ 47.498941] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 47.513418] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 47.521686] irq event stamp: 0 # [ 47.525390] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 47.532685] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 47.542115] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 47.551544] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 47.558837] ---[ end trace 10c52649da3a3050 ]--- # [ 47.564284] 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 # [ 47.680679] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 47.688562] lkdtm: attempting good refcount_add() without overflow # [ 47.701978] lkdtm: attempting bad refcount_add() overflow # [ 47.714510] ------------[ cut here ]------------ # [ 47.726172] refcount_t: saturated; leaking memory. # [ 47.738062] WARNING: CPU: 1 PID: 2046 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 47.753970] 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_sysfs uvcvideo cros_usbpd_logger cros_ec_chardev videobuf2_vmalloc cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common cros_usbpd_notify snd_pcm_dmaengine regmap_i2c i2c_hid cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 47.812961] CPU: 1 PID: 2046 Comm: cat Tainted: G D W 5.10.209-cip44 #1 # [ 47.828095] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 47.841408] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 47.853751] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d f9 ea 36 02 00 75 ee 48 c7 c7 f8 4d 17 9f c6 05 e9 ea 36 02 01 e8 89 2d c4 00 <0f> 0b c3 cc cc cc cc 80 3d d5 ea 36 02 00 75 cb 48 c7 c7 20 4e 17 # [ 47.875028] RSP: 0018:ffff9461c2897e48 EFLAGS: 00010286 # [ 47.887365] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 # [ 47.895631] RDX: ffff88ff3acac620 RSI: ffff88ff3ac9bf50 RDI: ffff88ff3ac9bf50 # [ 47.910104] RBP: ffffffff9f21a383 R08: 0000000000000000 R09: 0000000000000000 # [ 47.918373] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 47.926627] R13: ffff9461c2897f10 R14: ffff9461c2897f10 R15: ffff88fec5bb5000 # [ 47.934893] FS: 00007fcfe682b580(0000) GS:ffff88ff3ac80000(0000) knlGS:0000000000000000 # [ 47.944227] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 47.957148] CR2: 00007fcfe6635000 CR3: 00000001065fa002 CR4: 00000000003706e0 # [ 47.965411] Call Trace: # [ 47.968439] ? __warn+0x80/0x110 # [ 47.978540] ? refcount_warn_saturate+0x51/0x110 # [ 47.983990] ? report_bug+0x9e/0xc0 # [ 47.994389] ? handle_bug+0x41/0x90 # [ 48.004788] ? exc_invalid_op+0x14/0x70 # [ 48.015580] ? asm_exc_invalid_op+0x12/0x20 # [ 48.026762] ? refcount_warn_saturate+0x51/0x110 # [ 48.038423] ? refcount_warn_saturate+0x51/0x110 # [ 48.0500<6>[ 59.548009] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO <6>[ 59.556127] lkdtm: attempting good copy_to_user of correct size <6>[ 59.563054] lkdtm: attempting bad copy_to_user of too large size 88] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 # [ 48.055733] direct_entry.cold+0x2c/0x38 # [ 48.066617] full_proxy_write+0x53/0x80 # [ 48.077406] vfs_write+0xe7/0x3b0 # [ 48.087614] ksys_write+0x68/0xf0 # [ 48.097822] do_syscall_64+0x30/0x40 # [ 48.108323] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 48.114257] RIP: 0033:0x7fcfe6741473 # [ 48.124750] 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 # [ 48.146055] RSP: 002b:00007ffcfcb1f6c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 48.161015] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fcfe6741473 # [ 48.169281] RDX: 0000000000000016 RSI: 00007fcfe6635000 RDI: 0000000000000001 # [ 48.183757] RBP: 00007fcfe6635000 R08: 00007fcfe6634010 R09: 0000000000000000 # [ 48.192023] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 48.206499] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 48.214771] irq event stamp: 0 # [ 48.224680] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 48.238190] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 48.247621] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 48.263261] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ <6>[ 59.710206] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM 48.270557] ---[ end trace 10c52649da3a3051 ]--- # [ 48.28221<6>[ 59.720304] lkdtm: attempting good copy_from_user of correct size 8] lkdtm: Overflow detected: saturated # REFCOUNT_ADD_OVERFLOW:<6>[ 59.733628] lkdtm: attempting bad copy_from_user of too large size saw 'call trace:': ok ok 43 selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh # [ 48.402781] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 48.413543] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 48.420741] ------------[ cut here ]------------ # [ 48.426189] refcount_t: saturated; leaking memory. # [ 48.431861] WARNING: CPU: 3 PID: 2079 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 48.441589] 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_sysfs uvcvideo cros_usbpd_logger cros_ec_chardev videobuf2_vmalloc cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common cros_usbpd_notify snd_pcm_dmaengine regmap_i2c i2c_hid cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 48.500552] CPU: 3 PID: 2079 Comm: cat Tainted: G D W 5.10.209-cip44 #1 # [ 48.509497] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 48.516596] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 48.522724] Code: 02 01 e8 66 2d c4 00 0f 0b c3 cc cc cc cc 80 3d b4 ea 36 02 00 75 a8 48 c7 c7 f8 4d 17 9f c6 05 a4 ea 36 02 01 e8 43 2d c4 00<6>[ 59.880682] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO <0f> 0b c3 cc cc cc cc 80 3d 8e ea 36 02 00 75 85 48 c7 c7 50 4<6>[ 59.891348] lkdtm: attempting good copy_to_user inside whitelist e 17 # [ 48.544002] RSP: 0018:ffff9461c290fe38 EFLAGS: 000102<6>[ 59.904567] lkdtm: attempting bad copy_to_user outside whitelist 82 # [ 48.550132] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 48.558400] RDX: ffff88ff3adac620 RSI: ffff88ff3ad9bf50 RDI: ffff88ff3ad9bf50 # [ 48.572879] RBP: ffffffff9f219fc0 R08: 0000000000000000 R09: 0000000000000000 # [ 48.581173] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 48.589437] R13: ffff9461c290ff10 R14: ffff9461c290ff10 R15: ffff88fec34a2000 # [ 48.597718] FS: 00007ff600678580(0000) GS:ffff88ff3ad80000(0000) knlGS:0000000000000000 # [ 48.607075] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 48.613797] CR2: 00007ff600482000 CR3: 000000010306e002 CR4: 00000000003706e0 # [ 48.628269] Call Trace: # [ 48.631295] ? __warn+0x80/0x110 # [ 48.635221] ? refcount_warn_saturate+0x97/0x110 # [ 48.640672] ? report_bug+0x9e/0xc0 # [ 48.651085] ? handle_bug+0x41/0x90 # [ 48.655297] ? exc_invalid_op+0x14/0x70 # [ 48.659874] ? asm_exc_invalid_op+0x12/0x20 # [ 48.664840] ? refcount_warn_saturate+0x97/0x110 # [ 48.670316] ? refcount_warn_saturate+0x97/0x110 # [ 48.681974] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 48.688393] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 48.694909] direct_entry.cold+0x2c/0x38 # [ 48.699608] full_proxy_write+0x53/0x80 # [ 48.704213] vfs_write+0xe7/0x3b0 # [ 48.708230] ksys_write+0x68/0xf0 # [ 48.712247] do_syscall_64+0x30/0x40 # [ 48.716530] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 48.722464] RIP: 0033:0x7ff60058e473 # [ 48.726747] 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 b<6>[ 60.074899] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM <6>[ 60.087132] lkdtm: attempting good copy_from_user inside whitelist 8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 <6>[ 60.094346] lkdtm: attempting bad copy_from_user outside whitelist 83 ec 28 48 89 54 24 18 # [ 48.748024] RSP: 002b:00007fffc34c2488 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 48.756777] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007ff60058e473 # [ 48.765042] RDX: 000000000000001f RSI: 00007ff600482000 RDI: 0000000000000001 # [ 48.773306] RBP: 00007ff600482000 R08: 00007ff600481010 R09: 0000000000000000 # [ 48.781569] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 48.789833] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 48.798102] irq event stamp: 0 # [ 48.801828] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 48.815330] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 48.824764] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 48.840407] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 48.847702] ---[ end trace 10c52649da3a3052 ]--- # [ 48.859361] 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 # [ 48.976971] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 48.990737] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 48.997961] ------------[ cut here ]------------ # [ 49.003426] refcount_t: saturated; leaking memory. # [ 49.009101] WARNING: CPU: 3 PID: 2112 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 49.018832] 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<6>[ 60.271305] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO <6>[ 60.282979] lkdtm: good_stack: ffff9461c34d7e20-ffff9461c34d7e40 <6>[ 60.290000] lkdtm: bad_stack : ffff9461c34d7da8-ffff9461c34d7dc8 <6>[ 60.297015] lkdtm: attempting good copy_to_user of local stack <6>[ 60.303831] lkdtm: attempting bad copy_to_user of distant stack cros_ec_debugfs cros_ec_sysfs uvcvideo cros_usbpd_logger cros_ec_chardev videobuf2_vmalloc cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common cros_usbpd_notify snd_pcm_dmaengine regmap_i2c i2c_hid cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 49.077838] CPU: 3 PID: 2112 Comm: cat Tainted: G D W 5.10.209-cip44 #1 # [ 49.086785] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 49.093917] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 49.100047] Code: 02 01 e8 66 2d c4 00 0f 0b c3 cc cc cc cc 80 3d b4 ea 36 02 00 75 a8 48 c7 c7 f8 4d 17 9f c6 05 a4 ea 36 02 01 e8 43 2d c4 00 <0f> 0b c3 cc cc cc cc 80 3d 8e ea 36 02 00 75 85 48 c7 c7 50 4e 17 # [ 49.121356] RSP: 0018:ffff9461c2987e38 EFLAGS: 00010282 # [ 49.127487] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 49.141967] RDX: ffff88ff3adac620 RSI: ffff88ff3ad9bf50 RDI: ffff88ff3ad9bf50 # [ 49.150232] RBP: ffffffff9f219fe0 R08: 0000000000000000 R09: 0000000000000000 # [ 49.158496] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 49.166760] R13: ffff9461c2987f10 R14: ffff9461c2987f10 R15: ffff88fec318a000 # [ 49.175024] FS: 00007f590ef02580(0000) GS:ffff88ff3ad80000(0000) knlGS:0000000000000000 # [ 49.184378] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 49.191103] CR2: 00007f590ed0c000 CR3: 0000000104198003 CR4: 00000000003706e0 # [ 49.205573] Call Trace: # [ 49.208597] ? __warn+0x80/0x110 # [ 49.212517] ? refcount_warn_saturate+0x97/0x110 # [ 49.224176] ? report_bug+0x9e/0xc0 # [ 49.228364] ? handle_bug+0x41/0x90 # [ 49.232572] ? exc_invalid_op+0x14/0x70 # [ 49.237146] ? asm_exc_invalid_op+0x12/0x20 # [ 49.242112] ? refcount_warn_saturate+0x97/0x110 # [ 49.247590] ? <6>[ 60.491920] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM <6>[ 60.504654] lkdtm: good_stack: ffff9461c355fe20-ffff9461c355fe40 <6>[ 60.511680] lkdtm: bad_stack : ffff9461c355fda8-ffff9461c355fdc8 refcount_warn_saturate+0x97/0x110 # [ 49.253038] __refcount_<6>[ 60.518722] lkdtm: attempting good copy_from_user of local stack <6>[ 60.531911] lkdtm: attempting bad copy_from_user of distant stack add_not_zero.constprop.0+0x2a/0x35 # [ 49.259457] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 49.265975] direct_entry.cold+0x2c/0x38 # [ 49.270667] full_proxy_write+0x53/0x80 # [ 49.275244] vfs_write+0xe7/0x3b0 # [ 49.279237] ksys_write+0x68/0xf0 # [ 49.283228] do_syscall_64+0x30/0x40 # [ 49.287511] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 49.293445] RIP: 0033:0x7f590ee18473 # [ 49.297727] 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 # [ 49.319005] RSP: 002b:00007ffd1aa1b7c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 49.327754] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f590ee18473 # [ 49.336019] RDX: 000000000000001f RSI: 00007f590ed0c000 RDI: 0000000000000001 # [ 49.344284] RBP: 00007f590ed0c000 R08: 00007f590ed0b010 R09: 0000000000000000 # [ 49.352546] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 49.360811] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 49.369076] irq event stamp: 0 # [ 49.372805] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 49.380098] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 49.389526] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 49.398954] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 49.40<6>[ 60.686873] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND 6249] ---[ end trace 10c52649da3a3053 ]--- # [ 49.411697] lkd<6>[ 60.695438] lkdtm: good_stack: ffff9461c35e7e20-ffff9461c35e7e40 tm: Overflow detected: saturated # REFCOUNT_ADD_NOT_ZERO_OVERFL<6>[ 60.708640] lkdtm: bad_stack : ffff9461c35e7ff8-ffff9461c35e8018 OW: saw 'call trace:': ok ok 45 selftests: lkdtm: REFCOUNT_ADD_<6>[ 60.721876] lkdtm: attempting good copy_to_user of local stack NOT_ZERO_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_DEC_ZERO.sh <6>[ 60.734909] lkdtm: attempting bad copy_to_user of distant stack # [ 49.545065] lkdtm: Performing direct entry REFCOUNT_DEC_ZER<4>[ 60.748000] lkdtm: copy_to_user failed, but lacked Oops O # [ 49.554189] lkdtm: attempting good refcount_dec() # [ 49.559744] lkdtm: attempting bad refcount_dec() to zero # [ 49.566004] ------------[ cut here ]------------ # [ 49.571482] refcount_t: decrement hit 0; leaking memory. # [ 49.577748] WARNING: CPU: 2 PID: 2145 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 49.587476] 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_sysfs uvcvideo cros_usbpd_logger cros_ec_chardev videobuf2_vmalloc cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common cros_usbpd_notify snd_pcm_dmaengine regmap_i2c i2c_hid cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 49.646443] CPU: 2 PID: 2145 Comm: cat Tainted: G D W 5.10.209-cip44 #1 # [ 49.655417] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 49.662518] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 49.668667] Code: a8 4e 17 9f c6 05 55 ea 36 02 01 e8 f9 2c c4 00 0f 0b c3 cc cc cc cc 48 c7 c7 78 4e 17 9f c6 05 3c ea 36 02 01 e8 df 2c c4 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 49.689950] RSP: 0018:ffff9461c2a1fe48 EFLAGS: 00010286 # [ 49.696080] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 # <6>[ 60.901723] lkdtm: Performing direct entry USERCOPY_KERNEL [ 49.704346] RDX: ffff88ff3ad2c620 RSI: ffff88ff3ad1bf50 RDI: <6>[ 60.909752] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff9ed944d0 ffff88ff3ad1bf50 # [ 49.718829] RBP: ffffffff9f21a399 R08: 00<6>[ 60.924939] lkdtm: attempting bad copy_to_user from kernel text: ffffffff9d0e2d80 00000000000000 R09: 0000000000000000 # [ 49.727125] R10: 0000<3>[ 60.939860] lkdtm: FAIL: survived bad copy_to_user() 0000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 49.735391] R13: ffff9461c2a1ff10 R14: ffff9461c2a1ff10 R15: ffff88fec385a000 # [ 49.743673] FS: 00007f52be14a580(0000) GS:ffff88ff3ad00000(0000) knlGS:0000000000000000 # [ 49.759247] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 49.765973] CR2: 00007f52bdf54000 CR3: 0000000106510001 CR4: 00000000003706e0 # [ 49.780444] Call Trace: # [ 49.783469] ? __warn+0x80/0x110 # [ 49.787398] ? refcount_warn_saturate+0xfb/0x110 # [ 49.792878] ? report_bug+0x9e/0xc0 # [ 49.797066] ? handle_bug+0x41/0x90 # [ 49.801284] ? exc_invalid_op+0x14/0x70 # [ 49.805862] ? asm_exc_invalid_op+0x12/0x20 # [ 49.810859] ? refcount_warn_saturate+0xfb/0x110 # [ 49.816340] ? refcount_warn_saturate+0xfb/0x110 # [ 49.821820] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd # [ 49.827077] direct_entry.cold+0x2c/0x38 # [ 49.831772] full_proxy_write+0x53/0x80 # [ 49.836381] vfs_write+0xe7/0x3b0 # [ 49.840405] ksys_write+0x68/0xf0 # [ 49.844401] do_syscall_64+0x30/0x40 # [ 49.848721] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 49.854674] RIP: 0033:0x7f52be060473 # [ 49.858966] 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 # [ 49.886455] RSP: 002b:00007ffe67b22dd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 49.895207] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f52be060473 # [ 49.903473] RDX: 0000000000000012 RSI: 00007f52bdf54000 RDI: 0000000000000001 # [ 49.91173<6>[ 61.110719] lkdtm: Performing direct entry STACKLEAK_ERASING <6>[ 61.120203] lkdtm: checking unused part of the thread stack (15928 bytes)... 7] RBP: 00007f52bdf54000 R08: 00007f52bdf53010 R09: 000000000000<3>[ 61.128405] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) <3>[ 61.142679] lkdtm: FAIL: the thread stack is NOT properly erased <4>[ 61.149691] CPU: 2 PID: 2942 Comm: cat Tainted: G D W 5.10.209-cip44 #1 <4>[ 61.158669] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 61.165765] Call Trace: <4>[ 61.168788] dump_stack+0x77/0x9b <4>[ 61.172779] lkdtm_STACKLEAK_ERASING+0x116/0x144 <4>[ 61.178226] direct_entry.cold+0x2c/0x38 <4>[ 61.182896] full_proxy_write+0x53/0x80 <4>[ 61.187468] vfs_write+0xe7/0x3b0 <4>[ 61.191449] ksys_write+0x68/0xf0 <4>[ 61.195438] do_syscall_64+0x30/0x40 <4>[ 61.199728] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 61.205669] RIP: 0033:0x7f539e8da473 <4>[ 61.209949] 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 <4>[ 61.231226] RSP: 002b:00007ffe2f457148 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 61.239966] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f539e8da473 <4>[ 61.248229] RDX: 0000000000000012 RSI: 00007f539e7ce000 RDI: 0000000000000001 <4>[ 61.256491] RBP: 00007f539e7ce000 R08: 00007f539e7cd010 R09: 0000000000000000 <4>[ 61.264751] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 61.273012] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0000 # [ 49.920004] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 49.928271] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 49.936541] irq event stamp: 0 # [ 49.940271] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 49.947567] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 49.956999] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 49.966432] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 49.973726] ---[ end trace 10c52649da3a3054 ]--- # [ 49.979176] 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 # [ 50.118075] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 50.128174] lkdtm: attempting bad refcount_dec() below zero # [ 50.140920] ------------[ cut here ]------------ # [ 50.152583] refcount_t: decrement hit 0; leaking memory. # [ 50.165054] WARNING: CPU: 0 PID: 2181 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 50.181000] 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_sysfs uvcvideo cros_usbpd_logger cros_ec_chardev videobuf2_vmalloc cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common cros_usbpd_notify snd_pcm_dmaengine regmap_i2c i2c_hid cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 50.239964] CPU: 0 PID: 2181 Comm: cat Tainted: G D W 5.10.209-cip44 #1 # [ 50.255144] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 50.268466] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 5<6>[ 61.465172] lkdtm: Performing direct entry CFI_FORWARD_PROTO 0.280805] Code: a8 4e 17 9f c6 05 55 ea 36 02 01 e8 f9 2c c4 00 <6>[ 61.474446] lkdtm: Calling matched prototype ... 0f 0b c3 cc cc cc cc 48 c7 c7 78 4e 17 9f c6 05 3c ea 36 02 01 e<6>[ 61.486141] lkdtm: Calling mismatched prototype ... 8 df 2c c4 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 <6>[ 61.498090] lkdtm: Fail: survived mismatched prototype function call! 00 00 0f 1f 00 8b # [ 50.308334] RSP: 0018:ffff9461c2abfe48 EFLAGS: 00010286 # [ 50.320661] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 # [ 50.335154] RDX: ffff88ff3ac2c620 RSI: ffff88ff3ac1bf50 RDI: ffff88ff3ac1bf50 # [ 50.349644] RBP: ffffffff9f21a3ab R08: 0000000000000000 R09: 0000000000000000 # [ 50.364208] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 50.378626] R13: ffff9461c2abff10 R14: ffff9461c2abff10 R15: ffff88fec3f07000 # [ 50.393141] FS: 00007ffbb2d7e580(0000) GS:ffff88ff3ac00000(0000) knlGS:0000000000000000 # [ 50.408687] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 50.421649] CR2: 00007ffbb2b88000 CR3: 0000000104198006 CR4: 00000000003706f0 # [ 50.436123] Call Trace: # [ 50.445397] ? __warn+0x80/0x110 # [ 50.455501] ? refcount_warn_saturate+0xfb/0x110 # [ 50.467171] ? report_bug+0x9e/0xc0 # [ 50.477572] ? handle_bug+0x41/0x90 # [ 50.487978] ? exc_invalid_op+0x14/0x70 # [ 50.498770] ? asm_exc_invalid_op+0x12/0x20 # [ 50.509985] ? refcount_warn_saturate+0xfb/0x110 # [ 50.521645] ? refcount_warn_saturate+0xfb/0x110 # [ 50.533337] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 # [ 50.545196] direct_entry.cold+0x2c/0x38 # [ 50.556113] full_proxy_write+0x53/0x80 # [ 50.566904] vfs_write+0xe7/0x3b0 # [ 50.577122] ksys_write+0x68/0xf0 # [ 50.587323] do_syscall_64+0x30/0x40 # [ 50.597856] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 50.609982] RIP: 0033:0x7ffbb2c94473 # [ 50.620489] 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 # [ 50.647997] RSP: 002b:00007ffe562f4648 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 50.662986] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007ffbb2c94473 # [ 50.677478] RDX: 0000000000000016 RSI: 00007ffbb2b88000 RDI: 0000000000000001 # [ 50.691959] RBP: 00007ffbb2b88000 R08: 00007ffbb2b87010 R09: 0000000000000000 # [ 50.706473] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 50.720948] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 50.735443] irq event stamp: 0 # [ 50.745377] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 50.758853] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 50.774550] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 50.790186] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 50.803694] ---[ end trace 10c52649da3a3055 ]--- # [ 50.815337] 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 # [ 50.941729] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 50.952938] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 50.966562] ------------[ cut here ]------------ # [ 50.978210] refcount_t: underflow; use-after-free. # [ 50.990160] WARNING: CPU: 0 PID: 2217 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 51.006016] 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_sysfs uvcvideo cros_usbpd_logger cros_ec_chardev videobuf2_vmalloc cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common cros_usbpd_notify snd_pcm_dmaengine regmap_i2c i2c_hid cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 51.065082] CPU: 0 PID: 2217 Comm: cat Tainted: G D W 5.10.209-cip44 #1 # [ 51.080238] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 51.093551] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 51.105948] Code: 02 01 e8 43 2d c4 00 0f 0b c3 cc cc cc cc 80 3d 8e ea 36 02 00 75 85 48 c7 c7 50 4e 17 9f c6 05 7e ea 36 02 01 e8 20 2d c4 00 <0f> 0b c3 cc cc cc cc 80 3d 69 ea 36 02 00 0f 85 5e ff ff ff 48 c7 # [ 51.133429] RSP: 0018:ffff9461c2b3fe40 EFLAGS: 00010286 # [ 51.145835] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 # [ 51.160283] RDX: ffff88ff3ac2c620 RSI: ffff88ff3ac1bf50 RDI: ffff88ff3ac1bf50 # [ 51.174830] RBP: ffffffff9f21a000 R08: 0000000000000000 R09: 0000000000000000 # [ 51.189276] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 51.203814] R13: ffff9461c2b3ff10 R14: ffff9461c2b3ff10 R15: ffff88fec3394000 # [ 51.218267] FS: 00007fb303867580(0000) GS:ffff88ff3ac00000(0000) knlGS:0000000000000000 # [ 51.233899] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 51.246770] CR2: 00007fb303671000 CR3: 0000000102648006 CR4: 00000000003706f0 # [ 51.261309] Call Trace: # [ 51.270522] ? __warn+0x80/0x110 # [ 51.280678] ? refcount_warn_saturate+0xba/0x110 # [ 51.292320] ? report_bug+0x9e/0xc0 # [ 51.302761] ? handle_bug+0x41/0x90 # [ 51.313132] ? exc_invalid_op+0x14/0x70 # [ 51.323973] ? asm_exc_invalid_op+0x12/0x20 # [ 51.335146] ? refcount_warn_saturate+0xba/0x110 # [ 51.346834] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 51.359446] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 # [ 51.372178] direct_entry.cold+0x2c/0x38 # [ 51.383060] full_proxy_write+0x53/0x80 # [ 51.393864] vfs_write+0xe7/0x3b0 # [ 51.404061] ksys_write+0x68/0xf0 # [ 51.414286] do_syscall_64+0x30/0x40 # [ 51.424765] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 51.436947] RIP: 0033:0x7fb30377d473 # [ 51.447434] 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 # [ 51.474945] RSP: 002b:00007ffe58187368 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 51.489971] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fb30377d473 # [ 51.504412] RDX: 000000000000001f RSI: 00007fb303671000 RDI: 0000000000000001 # [ 51.518885] RBP: 00007fb303671000 R08: 00007fb303670010 R09: 0000000000000000 # [ 51.533358] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 51.547857] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 51.562328] irq event stamp: 0 # [ 51.572235] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 51.585746] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 51.601381] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 51.617048] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 51.630539] ---[ end trace 10c52649da3a3056 ]--- # [ 51.642203] 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 # [ 51.773407] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 51.785973] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 51.793408] ------------[ cut here ]------------ # [ 51.798879] refcount_t: underflow; use-after-free. # [ 51.804559] WARNING: CPU: 3 PID: 2253 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 51.814291] 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_sysfs uvcvideo cros_usbpd_logger cros_ec_chardev videobuf2_vmalloc cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common cros_usbpd_notify snd_pcm_dmaengine regmap_i2c i2c_hid cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 51.873253] CPU: 3 PID: 2253 Comm: cat Tainted: G D W 5.10.209-cip44 #1 # [ 51.882200] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 51.895518] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 51.907860] Code: 02 01 e8 43 2d c4 00 0f 0b c3 cc cc cc cc 80 3d 8e ea 36 02 00 75 85 48 c7 c7 50 4e 17 9f c6 05 7e ea 36 02 01 e8 20 2d c4 00 <0f> 0b c3 cc cc cc cc 80 3d 69 ea 36 02 00 0f 85 5e ff ff ff 48 c7 # [ 51.935357] RSP: 0018:ffff9461c2befe40 EFLAGS: 00010286 # [ 51.941510] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 # [ 51.949774] RDX: ffff88ff3adac620 RSI: ffff88ff3ad9bf50 RDI: ffff88ff3ad9bf50 # [ 51.958037] RBP: ffffffff9f21a020 R08: 0000000000000000 R09: 0000000000000000 # [ 51.966315] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 51.974591] R13: ffff9461c2beff10 R14: ffff9461c2beff10 R15: ffff88fec30ec000 # [ 51.989066] FS: 00007f840f0b3580(0000) GS:ffff88ff3ad80000(0000) knlGS:0000000000000000 # [ 51.998398] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 52.005107] CR2: 00007f840eebd000 CR3: 0000000102bfe002 CR4: 00000000003706e0 # [ 52.013362] Call Trace: # [ 52.016386] ? __warn+0x80/0x110 # [ 52.020301] ? refcount_warn_saturate+0xba/0x110 # [ 52.025751] ? report_bug+0x9e/0xc0 # [ 52.029939] ? handle_bug+0x41/0x90 # [ 52.034124] ? exc_invalid_op+0x14/0x70 # [ 52.038711] ? asm_exc_invalid_op+0x12/0x20 # [ 52.043722] ? refcount_warn_saturate+0xba/0x110 # [ 52.049202] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 52.055671] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b # [ 52.068406] direct_entry.cold+0x2c/0x38 # [ 52.073077] full_proxy_write+0x53/0x80 # [ 52.077673] vfs_write+0xe7/0x3b0 # [ 52.087881] ksys_write+0x68/0xf0 # [ 52.091874] do_syscall_64+0x30/0x40 # [ 52.096157] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 52.102091] RIP: 0033:0x7f840efc9473 # [ 52.106372] 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 # [ 52.127669] RSP: 002b:00007ffe4134c4a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 52.142636] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f840efc9473 # [ 52.150900] RDX: 000000000000001f RSI: 00007f840eebd000 RDI: 0000000000000001 # [ 52.159164] RBP: 00007f840eebd000 R08: 00007f840eebc010 R09: 0000000000000000 # [ 52.167430] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 52.175694] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 52.183966] irq event stamp: 0 # [ 52.193877] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 52.201171] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 52.216811] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 52.226240] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 52.233531] ---[ end trace 10c52649da3a3057 ]--- # [ 52.238971] 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 # [ 52.364186] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 52.375334] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 52.388957] lkdtm: Good: zero detected # [ 52.399648] lkdtm: Correctly stayed at zero # [ 52.410804] lkdtm: attempting bad refcount_inc() from zero # [ 52.423476] ------------[ cut here ]------------ # [ 52.435128] refcount_t: addition on 0; use-after-free. # [ 52.447486] WARNING: CPU: 0 PID: 2286 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 52.463302] 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_sysfs uvcvideo cros_usbpd_logger cros_ec_chardev videobuf2_vmalloc cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common cros_usbpd_notify snd_pcm_dmaengine regmap_i2c i2c_hid cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 52.522304] CPU: 0 PID: 2286 Comm: cat Tainted: G D W 5.10.209-cip44 #1 # [ 52.537445] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 52.550786] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 52.563107] Code: 02 01 e8 89 2d c4 00 0f 0b c3 cc cc cc cc 80 3d d5 ea 36 02 00 75 cb 48 c7 c7 20 4e 17 9f c6 05 c5 ea 36 02 01 e8 66 2d c4 00 <0f> 0b c3 cc cc cc cc 80 3d b4 ea 36 02 00 75 a8 48 c7 c7 f8 4d 17 # [ 52.590622] RSP: 0018:ffff9461c2c5fe48 EFLAGS: 00010286 # [ 52.602956] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 # [ 52.617459] RDX: ffff88ff3ac2c620 RSI: ffff88ff3ac1bf50 RDI: ffff88ff3ac1bf50 # [ 52.631924] RBP: ffffffff9f21a3c1 R08: 0000000000000000 R09: 0000000000000000 # [ 52.646419] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 52.660893] R13: ffff9461c2c5ff10 R14: ffff9461c2c5ff10 R15: ffff88fec2a0d000 # [ 52.675396] FS: 00007fac6c60a580(0000) GS:ffff88ff3ac00000(0000) knlGS:0000000000000000 # [ 52.690941] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 52.703878] CR2: 00007fac6c414000 CR3: 0000000103072005 CR4: 00000000003706f0 # [ 52.718344] Call Trace: # [ 52.727608] ? __warn+0x80/0x110 # [ 52.737702] ? refcount_warn_saturate+0x74/0x110 # [ 52.749388] ? report_bug+0x9e/0xc0 # [ 52.759777] ? handle_bug+0x41/0x90 # [ 52.770203] ? exc_invalid_op+0x14/0x70 # [ 52.780974] ? asm_exc_invalid_op+0x12/0x20 # [ 52.792188] ? refcount_warn_saturate+0x74/0x110 # [ 52.803817] ? refcount_warn_saturate+0x74/0x110 # [ 52.815501] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 # [ 52.826957] direct_entry.cold+0x2c/0x38 # [ 52.837863] full_proxy_write+0x53/0x80 # [ 52.848658] vfs_write+0xe7/0x3b0 # [ 52.858896] ksys_write+0x68/0xf0 # [ 52.869070] do_syscall_64+0x30/0x40 # [ 52.879587] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 52.891775] RIP: 0033:0x7fac6c520473 # [ 52.902263] 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 # [ 52.929772] RSP: 002b:00007ffe0b48f3f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 52.944761] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fac6c520473 # [ 52.959272] RDX: 0000000000000012 RSI: 00007fac6c414000 RDI: 0000000000000001 # [ 52.973755] RBP: 00007fac6c414000 R08: 00007fac6c413010 R09: 0000000000000000 # [ 52.988220] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 53.002736] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 53.017202] irq event stamp: 0 # [ 53.027110] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 53.040630] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 53.056260] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 53.071922] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 53.085421] ---[ end trace 10c52649da3a3058 ]--- # [ 53.097085] 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 # [ 53.227685] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 53.239411] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 53.253017] lkdtm: Good: zero detected # [ 53.263709] lkdtm: Correctly stayed at zero # [ 53.274920] lkdtm: attempting bad refcount_add() from zero # [ 53.287548] ------------[ cut here ]------------ # [ 53.299213] refcount_t: addition on 0; use-after-free. # [ 53.311491] WARNING: CPU: 0 PID: 2319 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 53.327425] 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_sysfs uvcvideo cros_usbpd_logger cros_ec_chardev videobuf2_vmalloc cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common cros_usbpd_notify snd_pcm_dmaengine regmap_i2c i2c_hid cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 53.386409] CPU: 0 PID: 2319 Comm: cat Tainted: G D W 5.10.209-cip44 #1 # [ 53.401603] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 53.414891] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 53.427260] Code: 02 01 e8 89 2d c4 00 0f 0b c3 cc cc cc cc 80 3d d5 ea 36 02 00 75 cb 48 c7 c7 20 4e 17 9f c6 05 c5 ea 36 02 01 e8 66 2d c4 00 <0f> 0b c3 cc cc cc cc 80 3d b4 ea 36 02 00 75 a8 48 c7 c7 f8 4d 17 # [ 53.454736] RSP: 0018:ffff9461c2cf7e48 EFLAGS: 00010286 # [ 53.467110] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 # [ 53.481586] RDX: ffff88ff3ac2c620 RSI: ffff88ff3ac1bf50 RDI: ffff88ff3ac1bf50 # [ 53.496045] RBP: ffffffff9f21a3d3 R08: 0000000000000000 R09: 0000000000000000 # [ 53.510541] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 53.525027] R13: ffff9461c2cf7f10 R14: ffff9461c2cf7f10 R15: ffff88fec34db000 # [ 53.539503] FS: 00007fda7cd5f580(0000) GS:ffff88ff3ac00000(0000) knlGS:0000000000000000 # [ 53.555068] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 53.568008] CR2: 00007fda7cb69000 CR3: 000000010624c004 CR4: 00000000003706f0 # [ 53.582493] Call Trace: # [ 53.591764] ? __warn+0x80/0x110 # [ 53.601844] ? refcount_warn_saturate+0x74/0x110 # [ 53.613507] ? report_bug+0x9e/0xc0 # [ 53.623933] ? handle_bug+0x41/0x90 # [ 53.634330] ? exc_invalid_op+0x14/0x70 # [ 53.645152] ? asm_exc_invalid_op+0x12/0x20 # [ 53.656325] ? refcount_warn_saturate+0x74/0x110 # [ 53.667990] ? refcount_warn_saturate+0x74/0x110 # [ 53.679673] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 # [ 53.691226] direct_entry.cold+0x2c/0x38 # [ 53.702018] full_proxy_write+0x53/0x80 # [ 53.712820] vfs_write+0xe7/0x3b0 # [ 53.723108] ksys_write+0x68/0xf0 # [ 53.733339] do_syscall_64+0x30/0x40 # [ 53.743849] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 53.755984] RIP: 0033:0x7fda7cc75473 # [ 53.766505] 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 # [ 53.793982] RSP: 002b:00007ffde34c6448 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 53.808953] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fda7cc75473 # [ 53.823399] RDX: 0000000000000012 RSI: 00007fda7cb69000 RDI: 0000000000000001 # [ 53.837890] RBP: 00007fda7cb69000 R08: 00007fda7cb68010 R09: 0000000000000000 # [ 53.852363] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 53.866831] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 53.881341] irq event stamp: 0 # [ 53.891270] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 53.904789] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 53.920421] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 53.936105] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 53.949602] ---[ end trace 10c52649da3a3059 ]--- # [ 53.955059] 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 # [ 54.093866] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 54.104135] lkdtm: attempting bad refcount_inc() from saturated # [ 54.111043] ------------[ cut here ]------------ # [ 54.116501] refcount_t: saturated; leaking memory. # [ 54.128374] WARNING: CPU: 3 PID: 2355 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 54.144297] 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_sysfs uvcvideo cros_usbpd_logger cros_ec_chardev videobuf2_vmalloc cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common cros_usbpd_notify snd_pcm_dmaengine regmap_i2c i2c_hid cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 54.203290] CPU: 3 PID: 2355 Comm: cat Tainted: G D W 5.10.209-cip44 #1 # [ 54.212248] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 54.225558] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 54.231685] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d f9 ea 36 02 00 75 ee 48 c7 c7 f8 4d 17 9f c6 05 e9 ea 36 02 01 e8 89 2d c4 00 <0f> 0b c3 cc cc cc cc 80 3d d5 ea 36 02 00 75 cb 48 c7 c7 20 4e 17 # [ 54.252964] RSP: 0018:ffff9461c2d9fe48 EFLAGS: 00010286 # [ 54.259092] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 # [ 54.267356] RDX: ffff88ff3adac620 RSI: ffff88ff3ad9bf50 RDI: ffff88ff3ad9bf50 # [ 54.275610] RBP: ffffffff9f21a3e5 R08: 0000000000000000 R09: 0000000000000000 # [ 54.283865] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 54.292129] R13: ffff9461c2d9ff10 R14: ffff9461c2d9ff10 R15: ffff88fec2bec000 # [ 54.300393] FS: 00007f9227525580(0000) GS:ffff88ff3ad80000(0000) knlGS:0000000000000000 # [ 54.309728] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.316438] CR2: 00007f922732f000 CR3: 0000000105366004 CR4: 00000000003706e0 # [ 54.324716] Call Trace: # [ 54.327771] ? __warn+0x80/0x110 # [ 54.331709] ? refcount_warn_saturate+0x51/0x110 # [ 54.337191] ? report_bug+0x9e/0xc0 # [ 54.341378] ? handle_bug+0x41/0x90 # [ 54.345562] ? exc_invalid_op+0x14/0x70 # [ 54.350138] ? asm_exc_invalid_op+0x12/0x20 # [ 54.355102] ? refcount_warn_saturate+0x51/0x110 # [ 54.360575] ? refcount_warn_saturate+0x51/0x110 # [ 54.366022] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 # [ 54.371764] direct_entry.cold+0x2c/0x38 # [ 54.376437] full_proxy_write+0x53/0x80 # [ 54.381037] vfs_write+0xe7/0x3b0 # [ 54.385030] ksys_write+0x68/0xf0 # [ 54.389022] do_syscall_64+0x30/0x40 # [ 54.393305] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 54.399237] RIP: 0033:0x7f922743b473 # [ 54.403520] 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 # [ 54.424799] RSP: 002b:00007ffcb9ac8998 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 54.439766] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f922743b473 # [ 54.448031] RDX: 0000000000000017 RSI: 00007f922732f000 RDI: 0000000000000001 # [ 54.456295] RBP: 00007f922732f000 R08: 00007f922732e010 R09: 0000000000000000 # [ 54.464551] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 54.472815] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 54.481084] irq event stamp: 0 # [ 54.484809] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 54.492102] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 54.501532] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 54.510962] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 54.518256] ---[ end trace 10c52649da3a305a ]--- # [ 54.523719] 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 # [ 54.653288] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 54.661310] lkdtm: attempting bad refcount_dec() from saturated # [ 54.674424] ------------[ cut here ]------------ # [ 54.686104] refcount_t: decrement hit 0; leaking memory. # [ 54.698555] WARNING: CPU: 0 PID: 2391 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 54.714477] 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_sysfs uvcvideo cros_usbpd_logger cros_ec_chardev videobuf2_vmalloc cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common cros_usbpd_notify snd_pcm_dmaengine regmap_i2c i2c_hid cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 54.773482] CPU: 0 PID: 2391 Comm: cat Tainted: G D W 5.10.209-cip44 #1 # [ 54.788625] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 54.801953] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 54.814277] Code: a8 4e 17 9f c6 05 55 ea 36 02 01 e8 f9 2c c4 00 0f 0b c3 cc cc cc cc 48 c7 c7 78 4e 17 9f c6 05 3c ea 36 02 01 e8 df 2c c4 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 54.841797] RSP: 0018:ffff9461c2dffe48 EFLAGS: 00010286 # [ 54.854119] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 # [ 54.868625] RDX: ffff88ff3ac2c620 RSI: ffff88ff3ac1bf50 RDI: ffff88ff3ac1bf50 # [ 54.883090] RBP: ffffffff9f21a3fc R08: 0000000000000000 R09: 0000000000000000 # [ 54.897586] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 54.912056] R13: ffff9461c2dfff10 R14: ffff9461c2dfff10 R15: ffff88fec6301000 # [ 54.926550] FS: 00007f2caebc3580(0000) GS:ffff88ff3ac00000(0000) knlGS:0000000000000000 # [ 54.942084] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.955037] CR2: 00007f2cae9cd000 CR3: 0000000103074005 CR4: 00000000003706f0 # [ 54.969503] Call Trace: # [ 54.978766] ? __warn+0x80/0x110 # [ 54.988860] ? refcount_warn_saturate+0xfb/0x110 # [ 55.000555] ? report_bug+0x9e/0xc0 # [ 55.010942] ? handle_bug+0x41/0x90 # [ 55.021358] ? exc_invalid_op+0x14/0x70 # [ 55.032137] ? asm_exc_invalid_op+0x12/0x20 # [ 55.043335] ? refcount_warn_saturate+0xfb/0x110 # [ 55.054981] ? refcount_warn_saturate+0xfb/0x110 # [ 55.066665] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f # [ 55.078596] direct_entry.cold+0x2c/0x38 # [ 55.089519] full_proxy_write+0x53/0x80 # [ 55.100300] vfs_write+0xe7/0x3b0 # [ 55.110507] ksys_write+0x68/0xf0 # [ 55.120713] do_syscall_64+0x30/0x40 # [ 55.131202] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 55.143353] RIP: 0033:0x7f2caead9473 # [ 55.153846] 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 # [ 55.181350] RSP: 002b:00007ffce84291c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 55.196315] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f2caead9473 # [ 55.210788] RDX: 0000000000000017 RSI: 00007f2cae9cd000 RDI: 0000000000000001 # [ 55.225292] RBP: 00007f2cae9cd000 R08: 00007f2cae9cc010 R09: 0000000000000000 # [ 55.239771] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 55.254256] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 55.268748] irq event stamp: 0 # [ 55.278692] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 55.292185] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 55.307850] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 55.323485] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 55.337007] ---[ end trace 10c52649da3a305b ]--- # [ 55.348690] 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 # [ 55.517222] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 55.529708] lkdtm: attempting bad refcount_dec() from saturated # [ 55.542861] ------------[ cut here ]------------ # [ 55.548333] refcount_t: saturated; leaking memory. # [ 55.554007] WARNING: CPU: 2 PID: 2427 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 55.563737] 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_sysfs uvcvideo cros_usbpd_logger cros_ec_chardev videobuf2_vmalloc cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common cros_usbpd_notify snd_pcm_dmaengine regmap_i2c i2c_hid cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 55.622751] CPU: 2 PID: 2427 Comm: cat Tainted: G D W 5.10.209-cip44 #1 # [ 55.631708] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 55.645016] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 55.651146] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d f9 ea 36 02 00 75 ee 48 c7 c7 f8 4d 17 9f c6 05 e9 ea 36 02 01 e8 89 2d c4 00 <0f> 0b c3 cc cc cc cc 80 3d d5 ea 36 02 00 75 cb 48 c7 c7 20 4e 17 # [ 55.672426] RSP: 0018:ffff9461c2eb7e48 EFLAGS: 00010286 # [ 55.678555] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 # [ 55.686820] RDX: ffff88ff3ad2c620 RSI: ffff88ff3ad1bf50 RDI: ffff88ff3ad1bf50 # [ 55.695087] RBP: ffffffff9f21a413 R08: 0000000000000000 R09: 0000000000000000 # [ 55.703354] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 55.711620] R13: ffff9461c2eb7f10 R14: ffff9461c2eb7f10 R15: ffff88fec31fc000 # [ 55.719886] FS: 00007fb85f94c580(0000) GS:ffff88ff3ad00000(0000) knlGS:0000000000000000 # [ 55.729221] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.735932] CR2: 00007fb85f756000 CR3: 00000001060fa004 CR4: 00000000003706e0 # [ 55.744198] Call Trace: # [ 55.747223] ? __warn+0x80/0x110 # [ 55.751151] ? refcount_warn_saturate+0x51/0x110 # [ 55.756634] ? report_bug+0x9e/0xc0 # [ 55.760850] ? handle_bug+0x41/0x90 # [ 55.765036] ? exc_invalid_op+0x14/0x70 # [ 55.769614] ? asm_exc_invalid_op+0x12/0x20 # [ 55.774585] ? refcount_warn_saturate+0x51/0x110 # [ 55.780066] ? refcount_warn_saturate+0x51/0x110 # [ 55.785515] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 # [ 55.791259] direct_entry.cold+0x2c/0x38 # [ 55.795962] full_proxy_write+0x53/0x80 # [ 55.800574] vfs_write+0xe7/0x3b0 # [ 55.810783] ksys_write+0x68/0xf0 # [ 55.820990] do_syscall_64+0x30/0x40 # [ 55.831491] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 55.837458] RIP: 0033:0x7fb85f862473 # [ 55.841742] 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 # [ 55.863023] RSP: 002b:00007fffa80d6088 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 55.871777] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fb85f862473 # [ 55.880044] RDX: 0000000000000017 RSI: 00007fb85f756000 RDI: 0000000000000001 # [ 55.888309] RBP: 00007fb85f756000 R08: 00007fb85f755010 R09: 0000000000000000 # [ 55.896576] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 55.904843] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 55.913113] irq event stamp: 0 # [ 55.916842] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 55.924139] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 55.933572] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 55.943004] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 55.950298] ---[ end trace 10c52649da3a305c ]--- # [ 55.955746] 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 # [ 56.086414] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 56.100561] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 56.108398] ------------[ cut here ]------------ # [ 56.113854] refcount_t: saturated; leaking memory. # [ 56.125724] WARNING: CPU: 3 PID: 2461 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 56.141671] 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_sysfs uvcvideo cros_usbpd_logger cros_ec_chardev videobuf2_vmalloc cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common cros_usbpd_notify snd_pcm_dmaengine regmap_i2c i2c_hid cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 56.200661] CPU: 3 PID: 2461 Comm: cat Tainted: G D W 5.10.209-cip44 #1 # [ 56.209619] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 56.222928] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 56.229055] Code: 02 01 e8 66 2d c4 00 0f 0b c3 cc cc cc cc 80 3d b4 ea 36 02 00 75 a8 48 c7 c7 f8 4d 17 9f c6 05 a4 ea 36 02 01 e8 43 2d c4 00 <0f> 0b c3 cc cc cc cc 80 3d 8e ea 36 02 00 75 85 48 c7 c7 50 4e 17 # [ 56.250346] RSP: 0018:ffff9461c2f47e38 EFLAGS: 00010282 # [ 56.256473] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 56.264736] RDX: ffff88ff3adac620 RSI: ffff88ff3ad9bf50 RDI: ffff88ff3ad9bf50 # [ 56.272999] RBP: ffffffff9f21a040 R08: 0000000000000000 R09: 0000000000000000 # [ 56.281254] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 56.289516] R13: ffff9461c2f47f10 R14: ffff9461c2f47f10 R15: ffff88fec2952000 # [ 56.297771] FS: 00007f4019833580(0000) GS:ffff88ff3ad80000(0000) knlGS:0000000000000000 # [ 56.307105] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.313815] CR2: 00007f401963d000 CR3: 00000001060fa005 CR4: 00000000003706e0 # [ 56.322078] Call Trace: # [ 56.325101] ? __warn+0x80/0x110 # [ 56.329027] ? refcount_warn_saturate+0x97/0x110 # [ 56.334476] ? report_bug+0x9e/0xc0 # [ 56.338673] ? handle_bug+0x41/0x90 # [ 56.349071] ? exc_invalid_op+0x14/0x70 # [ 56.353662] ? asm_exc_invalid_op+0x12/0x20 # [ 56.358639] ? refcount_warn_saturate+0x97/0x110 # [ 56.370294] ? refcount_warn_saturate+0x97/0x110 # [ 56.375741] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 56.382161] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 # [ 56.388776] direct_entry.cold+0x2c/0x38 # [ 56.393453] full_proxy_write+0x53/0x80 # [ 56.404245] vfs_write+0xe7/0x3b0 # [ 56.414454] ksys_write+0x68/0xf0 # [ 56.424672] do_syscall_64+0x30/0x40 # [ 56.435172] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 56.441106] RIP: 0033:0x7f4019749473 # [ 56.445387] 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 # [ 56.466669] RSP: 002b:00007ffe41b31818 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 56.481635] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f4019749473 # [ 56.489898] RDX: 0000000000000020 RSI: 00007f401963d000 RDI: 0000000000000001 # [ 56.498154] RBP: 00007f401963d000 R08: 00007f401963c010 R09: 0000000000000000 # [ 56.506417] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 56.514682] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 56.522951] irq event stamp: 0 # [ 56.526682] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 56.533974] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 56.543404] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 56.552836] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 56.560129] ---[ end trace 10c52649da3a305d ]--- # [ 56.565577] 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 # [ 56.700862] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 56.710315] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 56.724409] ------------[ cut here ]------------ # [ 56.736037] refcount_t: saturated; leaking memory. # [ 56.747983] WARNING: CPU: 0 PID: 2494 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 56.763827] 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_sysfs uvcvideo cros_usbpd_logger cros_ec_chardev videobuf2_vmalloc cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common cros_usbpd_notify snd_pcm_dmaengine regmap_i2c i2c_hid cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 56.822827] CPU: 0 PID: 2494 Comm: cat Tainted: G D W 5.10.209-cip44 #1 # [ 56.837970] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 56.851311] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 56.863629] Code: 02 01 e8 66 2d c4 00 0f 0b c3 cc cc cc cc 80 3d b4 ea 36 02 00 75 a8 48 c7 c7 f8 4d 17 9f c6 05 a4 ea 36 02 01 e8 43 2d c4 00 <0f> 0b c3 cc cc cc cc 80 3d 8e ea 36 02 00 75 85 48 c7 c7 50 4e 17 # [ 56.891150] RSP: 0018:ffff9461c2fcfe38 EFLAGS: 00010282 # [ 56.903480] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 56.917978] RDX: ffff88ff3ac2c620 RSI: ffff88ff3ac1bf50 RDI: ffff88ff3ac1bf50 # [ 56.932449] RBP: ffffffff9f21a060 R08: 0000000000000000 R09: 0000000000000000 # [ 56.946956] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 56.961420] R13: ffff9461c2fcff10 R14: ffff9461c2fcff10 R15: ffff88fec334e000 # [ 56.975925] FS: 00007f8f8e59b580(0000) GS:ffff88ff3ac00000(0000) knlGS:0000000000000000 # [ 56.991462] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.004401] CR2: 00007f8f8e3a5000 CR3: 000000010326c002 CR4: 00000000003706f0 # [ 57.018868] Call Trace: # [ 57.028130] ? __warn+0x80/0x110 # [ 57.038227] ? refcount_warn_saturate+0x97/0x110 # [ 57.049901] ? report_bug+0x9e/0xc0 # [ 57.060291] ? handle_bug+0x41/0x90 # [ 57.070735] ? exc_invalid_op+0x14/0x70 # [ 57.081515] ? asm_exc_invalid_op+0x12/0x20 # [ 57.092703] ? refcount_warn_saturate+0x97/0x110 # [ 57.104369] ? refcount_warn_saturate+0x97/0x110 # [ 57.116076] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 57.128697] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 # [ 57.141544] direct_entry.cold+0x2c/0x38 # [ 57.152432] full_proxy_write+0x53/0x80 # [ 57.163205] vfs_write+0xe7/0x3b0 # [ 57.173414] ksys_write+0x68/0xf0 # [ 57.183669] do_syscall_64+0x30/0x40 # [ 57.194148] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 57.206269] RIP: 0033:0x7f8f8e4b1473 # [ 57.216806] 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 # [ 57.244308] RSP: 002b:00007ffe9e87ea28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 57.259295] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f8f8e4b1473 # [ 57.273777] RDX: 0000000000000020 RSI: 00007f8f8e3a5000 RDI: 0000000000000001 # [ 57.288283] RBP: 00007f8f8e3a5000 R08: 00007f8f8e3a4010 R09: 0000000000000000 # [ 57.302728] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 57.311028] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 57.325509] irq event stamp: 0 # [ 57.335385] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 57.348933] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 57.364562] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 57.380248] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 57.393719] ---[ end trace 10c52649da3a305e ]--- # [ 57.399199] 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 # [ 57.583304] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 57.593527] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 57.601314] ------------[ cut here ]------------ # [ 57.606764] refcount_t: underflow; use-after-free. # [ 57.612433] WARNING: CPU: 2 PID: 2530 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 57.622161] 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_sysfs uvcvideo cros_usbpd_logger cros_ec_chardev videobuf2_vmalloc cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common cros_usbpd_notify snd_pcm_dmaengine regmap_i2c i2c_hid cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 57.681126] CPU: 2 PID: 2530 Comm: cat Tainted: G D W 5.10.209-cip44 #1 # [ 57.690096] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 57.703416] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 57.709577] Code: 02 01 e8 43 2d c4 00 0f 0b c3 cc cc cc cc 80 3d 8e ea 36 02 00 75 85 48 c7 c7 50 4e 17 9f c6 05 7e ea 36 02 01 e8 20 2d c4 00 <0f> 0b c3 cc cc cc cc 80 3d 69 ea 36 02 00 0f 85 5e ff ff ff 48 c7 # [ 57.730858] RSP: 0018:ffff9461c3067e40 EFLAGS: 00010286 # [ 57.736989] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 # [ 57.745255] RDX: ffff88ff3ad2c620 RSI: ffff88ff3ad1bf50 RDI: ffff88ff3ad1bf50 # [ 57.753521] RBP: ffffffff9f21a080 R08: 0000000000000000 R09: 0000000000000000 # [ 57.761785] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 57.770053] R13: ffff9461c3067f10 R14: ffff9461c3067f10 R15: ffff88fec2648000 # [ 57.778319] FS: 00007f0cd1bc8580(0000) GS:ffff88ff3ad00000(0000) knlGS:0000000000000000 # [ 57.787671] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.794385] CR2: 00007f0cd19d2000 CR3: 0000000103122004 CR4: 00000000003706e0 # [ 57.808859] Call Trace: # [ 57.811886] ? __warn+0x80/0x110 # [ 57.815813] ? refcount_warn_saturate+0xba/0x110 # [ 57.821265] ? report_bug+0x9e/0xc0 # [ 57.825482] ? handle_bug+0x41/0x90 # [ 57.829672] ? exc_invalid_op+0x14/0x70 # [ 57.840461] ? asm_exc_invalid_op+0x12/0x20 # [ 57.845462] ? refcount_warn_saturate+0xba/0x110 # [ 57.850943] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 57.857365] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 # [ 57.864004] direct_entry.cold+0x2c/0x38 # [ 57.868692] full_proxy_write+0x53/0x80 # [ 57.873276] vfs_write+0xe7/0x3b0 # [ 57.883484] ksys_write+0x68/0xf0 # [ 57.893693] do_syscall_64+0x30/0x40 # [ 57.897984] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 57.903918] RIP: 0033:0x7f0cd1ade473 # [ 57.908200] 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 # [ 57.929503] RSP: 002b:00007ffc51e66978 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 57.938266] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f0cd1ade473 # [ 57.952740] RDX: 0000000000000020 RSI: 00007f0cd19d2000 RDI: 0000000000000001 # [ 57.961005] RBP: 00007f0cd19d2000 R08: 00007f0cd19d1010 R09: 0000000000000000 # [ 57.969269] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 57.977533] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 57.985801] irq event stamp: 0 # [ 57.989531] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 57.996825] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 58.006256] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 58.015686] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 58.022980] ---[ end trace 10c52649da3a305f ]--- # [ 58.028429] 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 # [ 58.387627] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 58.395770] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 58.403566] ------------[ cut here ]------------ # [ 58.415218] refcount_t: underflow; use-after-free. # [ 58.420896] WARNING: CPU: 2 PID: 2566 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 58.430624] 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_sysfs uvcvideo cros_usbpd_logger cros_ec_chardev videobuf2_vmalloc cros_ec_lightbar cros_usbpd_charger cros_ec_sensorhub videobuf2_memops snd_soc_core videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_compress videobuf2_common cros_usbpd_notify snd_pcm_dmaengine regmap_i2c i2c_hid cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 58.489591] CPU: 2 PID: 2566 Comm: cat Tainted: G D W 5.10.209-cip44 #1 # [ 58.498536] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 58.505637] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 58.511765] Code: 02 01 e8 43 2d c4 00 0f 0b c3 cc cc cc cc 80 3d 8e ea 36 02 00 75 85 48 c7 c7 50 4e 17 9f c6 05 7e ea 36 02 01 e8 20 2d c4 00 <0f> 0b c3 cc cc cc cc 80 3d 69 ea 36 02 00 0f 85 5e ff ff ff 48 c7 # [ 58.533045] RSP: 0018:ffff9461c3107e40 EFLAGS: 00010286 # [ 58.539173] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 # [ 58.547437] RDX: ffff88ff3ad2c620 RSI: ffff88ff3ad1bf50 RDI: ffff88ff3ad1bf50 # [ 58.555720] RBP: ffffffff9f21a0a0 R08: 0000000000000000 R09: 0000000000000000 # [ 58.563984] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 58.572246] R13: ffff9461c3107f10 R14: ffff9461c3107f10 R15: ffff88fec64df000 # [ 58.580502] FS: 00007f031167b580(0000) GS:ffff88ff3ad00000(0000) knlGS:0000000000000000 # [ 58.589836] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 58.596547] CR2: 00007f0311485000 CR3: 0000000102a1e001 CR4: 00000000003706e0 # [ 58.604812] Call Trace: # [ 58.607837] ? __warn+0x80/0x110 # [ 58.611761] ? refcount_warn_saturate+0xba/0x110 # [ 58.617210] ? report_bug+0x9e/0xc0 # [ 58.621398] ? handle_bug+0x41/0x90 # [ 58.625584] ? exc_invalid_op+0x14/0x70 # [ 58.630158] ? asm_exc_invalid_op+0x12/0x20 # [ 58.635124] ? refcount_warn_saturate+0xba/0x110 # [ 58.640598] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 58.647039] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 # [ 58.653671] direct_entry.cold+0x2c/0x38 # [ 58.664564] full_proxy_write+0x53/0x80 # [ 58.675357] vfs_write+0xe7/0x3b0 # [ 58.685585] ksys_write+0x68/0xf0 # [ 58.689580] do_syscall_64+0x30/0x40 # [ 58.700074] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 58.706009] RIP: 0033:0x7f0311591473 # [ 58.710291] 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 # [ 58.731594] RSP: 002b:00007ffd37adcc98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 58.740358] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f0311591473 # [ 58.754827] RDX: 0000000000000020 RSI: 00007f0311485000 RDI: 0000000000000001 # [ 58.763093] RBP: 00007f0311485000 R08: 00007f0311484010 R09: 0000000000000000 # [ 58.771360] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 58.779624] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 58.787893] irq event stamp: 0 # [ 58.791623] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 58.798918] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 58.808350] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 58.817781] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 58.825074] ---[ end trace 10c52649da3a3060 ]--- # [ 58.830523] 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 # [ 59.548009] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 59.556127] lkdtm: attempting good copy_to_user of correct size # [ 59.563054] 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 # [ 59.710206] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 59.720304] lkdtm: attempting good copy_from_user of correct size # [ 59.733628] 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 # [ 59.880682] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 59.891348] lkdtm: attempting good copy_to_user inside whitelist # [ 59.904567] 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 # [ 60.074899] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 60.087132] lkdtm: attempting good copy_from_user inside whitelist # [ 60.094346] 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 # [ 60.271305] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 60.282979] lkdtm: good_stack: ffff9461c34d7e20-ffff9461c34d7e40 # [ 60.290000] lkdtm: bad_stack : ffff9461c34d7da8-ffff9461c34d7dc8 # [ 60.297015]<6>[ 66.773974] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) lkdtm: attempting good copy_to_user of local stack # [ 60.30<6>[ 66.784722] pci 0000:00:1e.6: deferred probe pending 3831] 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 # [ 60.491920] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 60.504654] lkdtm: good_stack: ffff9461c355fe20-ffff9461c355fe40 # [ 60.511680] lkdtm: bad_stack : ffff9461c355fda8-ffff9461c355fdc8 # [ 60.518722] lkdtm: attempting good copy_from_user of local stack # [ 60.531911] 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 # [ 60.686873] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 60.695438] lkdtm: good_stack: ffff9461c35e7e20-ffff9461c35e7e40 # [ 60.708640] lkdtm: bad_stack : ffff9461c35e7ff8-ffff9461c35e8018 # [ 60.721876] lkdtm: attempting good copy_to_user of local stack # [ 60.734909] lkdtm: attempting bad copy_to_user of distant stack # [ 60.748000] 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 # [ 60.901723] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 60.909752] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff9ed944d0 # [ 60.924939] lkdtm: attempting bad copy_to_user from kernel text: ffffffff9d0e2d80 # [ 60.939860] 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 # [ 61.110719] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 61.120203] lkdtm: checking unused part of the thread stack (15928 bytes)... # [ 61.128405] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) # [ 61.142679] lkdtm: FAIL: the thread stack is NOT properly erased # [ 61.149691] CPU: 2 PID: 2942 Comm: cat Tainted: G D W 5.10.209-cip44 #1 # [ 61.158669] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 61.165765] Call Trace: # [ 61.168788] dump_stack+0x77/0x9b # [ 61.172779] lkdtm_STACKLEAK_ERASING+0x116/0x144 # [ 61.178226] direct_entry.cold+0x2c/0x38 # [ 61.182896] full_proxy_write+0x53/0x80 # [ 61.187468] vfs_write+0xe7/0x3b0 # [ 61.191449] ksys_write+0x68/0xf0 # [ 61.195438] do_syscall_64+0x30/0x40 # [ 61.199728] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 61.205669] RIP: 0033:0x7f539e8da473 # [ 61.209949] 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 # [ 61.231226] RSP: 002b:00007ffe2f457148 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 61.239966] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f539e8da473 # [ 61.248229] RDX: 0000000000000012 RSI: 00007f539e7ce000 RDI: 0000000000000001 # [ 61.256491] RBP: 00007f539e7ce000 R08: 00007f539e7cd010 R09: 0000000000000000 # [ 61.264751] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 61.273012] 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 # [ 61.465172] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 61.474446] lkdtm: Calling matched prototype ... # [ 61.486141] lkdtm: Calling mismatched prototype ... # [ 61.498090] 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 Traceback (most recent call last): File "/lava-12894264/0/tests/1_kselftest-lkdtm/automated/linux/kselftest/./parse-output.py", line 4, in from tap import parser ModuleNotFoundError: No module named 'tap' + ../../utils/send-to-lava.sh ./output/result.txt + set +x / #