[Enter `^Ec?' for help] coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 bootblock starting... CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz CPU: ID 806e9, Kabylake H0, ucode: 00000097 CPU: AES supported, TXT NOT supported, VT supported MCH: device id 590c (rev 02) is Kabylake-Y PCH: device id 9d4b (rev 21) is Kabylake-Y iHDCP 2.2 Premium IGD: device id 591c (rev 02) is Amberlake ULX GT2 VBOOT: Loading verstage. CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/verstage' CBFS: Found @ offset 1a0a80 size f47c coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 verstage starting... Probing TPM: . done! TPM ready after 0 ms Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_B:0.5.5/cr50_v1.9308_87_mp.479-d7921eab 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_A found @ 200000 (65536 bytes) FMAP: area VBLOCK_A found @ 200000 (65536 bytes) VB2:vb2_verify_keyblock() Checking key block signature... FMAP: area VBLOCK_A found @ 200000 (65536 bytes) FMAP: area VBLOCK_A found @ 200000 (65536 bytes) VB2:vb2_verify_fw_preamble() Verifying preamble. Phase 4 FMAP: area FW_MAIN_A found @ 210000 (4030400 bytes) VB2:vb2api_init_hash() HW crypto for hash_alg 2 not supported, using SW VB2:vb2_rsa_verify_digest() Digest check failed! VB2:vb2_fail() Need recovery, reason: 0x1b / 0x7 Saving nvdata Reboot requested (10020007) board_reset() called! full_reset() called! coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 bootblock starting... CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz CPU: ID 806e9, Kabylake H0, ucode: 00000097 CPU: AES supported, TXT NOT supported, VT supported MCH: device id 590c (rev 02) is Kabylake-Y PCH: device id 9d4b (rev 21) is Kabylake-Y iHDCP 2.2 Premium IGD: device id 591c (rev 02) is Amberlake ULX GT2 VBOOT: Loading verstage. CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/verstage' CBFS: Found @ offset 1a0a80 size f47c coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 verstage starting... Probing TPM: . done! TPM ready after 0 ms Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_B:0.5.5/cr50_v1.9308_87_mp.479-d7921eab 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 60030 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fspm.bin' CBFS: Found @ offset 103fc0 size 63000 Chrome EC: UHEPI supported FMAP: Found "FLASH" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area RECOVERY_MRC_CACHE found @ 9d0000 (65536 bytes) Probing TPM: done! Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_B:0.5.5/cr50_v1.9308_87_mp.479-d7921eab Initialized TPM device CR50 revision 0 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 MRC: Hash comparison successful. Using data from RECOVERY_MRC_CACHE MRC cache found, size 1868 bootmode is set to :2 SPD index 1 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'spd.bin' CBFS: Found @ offset 1a0240 size 800 SPD: module type is LPDDR3 SPD: module part is K4E8E324EB-EGCF SPD: banks 8, ranks 1, rows 15, columns 10, density 8192 Mb SPD: device width 32 bits, bus width 64 bits SPD: module size is 2048 MB (per channel) CBMEM: IMD: root @ 7afff000 254 entries. IMD: root @ 7affec00 62 entries. External stage cache: IMD: root @ 7b3ff000 254 entries. IMD: root @ 7b3fec00 62 entries. creating vboot_handoff structure Chrome EC: clear events_b mask to 0x0000000021004000 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 tlcl_write: response is 0 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 MRC: TPM MRC hash updated successfully. 2 DIMMs found top_of_ram = 0x7b000000 MTRR Range: Start=7a000000 End=7b000000 (Size 1000000) MTRR Range: Start=7b000000 End=7b800000 (Size 800000) MTRR Range: Start=ff000000 End=0 (Size 1000000) CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/postcar' CBFS: Found @ offset 197000 size 3f04 Decompressing stage fallback/postcar @ 0x7abd0fc0 (32720 bytes) Loading module at 7abd1000 with entry 7abd1000. filesize: 0x3cd0 memsize: 0x7f90 Processing 118 relocs. Offset value of 0x78bd1000 coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 postcar starting... CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/ramstage' CBFS: Found @ offset e8d80 size 1a462 Decompressing stage fallback/ramstage @ 0x7ab05fc0 (826808 bytes) Loading module at 7ab06000 with entry 7ab06000. filesize: 0x38d90 memsize: 0xc9d78 Processing 3657 relocs. Offset value of 0x79d06000 coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 ramstage starting... FMAP: Found "FLASH" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area RO_VPD found @ c00000 (16384 bytes) WARNING: RO_VPD is uninitialized or empty. FMAP: area RW_VPD found @ 9f8000 (8192 bytes) FMAP: area RW_VPD found @ 9f8000 (8192 bytes) Normal boot. BS: BS_PRE_DEVICE times (us): entry 0 run 30 exit 0 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'cpu_microcode_blob.bin' CBFS: Found @ offset 11100 size d7c00 microcode: sig=0x806e9 pf=0x10 revision=0x97 Skip microcode update CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fsps.bin' CBFS: Found @ offset 167fc0 size 2f000 Detected 2 core, 4 thread CPU. Setting up SMI for CPU IED base = 0x7b400000 IED size = 0x00400000 Will perform SMM setup. CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz. Loading module at 00030000 with entry 00030000. filesize: 0x170 memsize: 0x170 Processing 16 relocs. Offset value of 0x00030000 Attempting to start 3 APs Waiting for 10ms after sending INIT. Waiting for 1st SIPI to complete...done. AP: slot 3 apic_id 2. AP: slot 2 apic_id 3. AP: slot 1 apic_id 1. Waiting for 2nd SIPI to complete...done. Loading module at 00038000 with entry 00038000. filesize: 0x1a8 memsize: 0x1a8 Processing 13 relocs. Offset value of 0x00038000 SMM Module: stub loaded at 00038000. Will call 7ab21603(00000000) Installing SMM handler to 0x7b000000 Loading module at 7b010000 with entry 7b010a19. filesize: 0x3b08 memsize: 0x8bc0 Processing 243 relocs. Offset value of 0x7b010000 Loading module at 7b008000 with entry 7b008000. filesize: 0x1a8 memsize: 0x1a8 Processing 13 relocs. Offset value of 0x7b008000 SMM Module: placing jmp sequence at 7b007c00 rel16 0x03fd SMM Module: placing jmp sequence at 7b007800 rel16 0x07fd SMM Module: placing jmp sequence at 7b007400 rel16 0x0bfd SMM Module: stub loaded at 7b008000. Will call 7b010a19(00000000) Clearing SMI status registers SMI_STS: PM1 PM1_STS: PWRBTN TCO_STS: BOOT SECOND_TO New SMBASE 0x7b000000 In relocation handler: CPU 0 New SMBASE=0x7b000000 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afffc00 In relocation handler: CPU 1 New SMBASE=0x7afffc00 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 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 apic_id: 0x02 done. Setting up local APIC...Setting up local APIC... apic_id: 0x03 done. Skip microcode update Skip microcode update CPU #3 initialized CPU #2 initialized apic_id: 0x01 done. Skip microcode update CPU #1 initialized bsp_do_flight_plan done after 226 msecs. CPU: frequency set to 3400 MHz Enabling SMIs. Locking SMM. VMX : param.enable = 1 VMX status: enabled, unlocked SGX: pre-conditions not met VMX status: enabled, unlocked SGX: pre-conditions not met VMX status: enabled, unlocked VMX status: enabled, unlocked SGX: pre-conditions not met SGX: pre-conditions not met CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'vbt.bin' CBFS: Found @ offset 103a00 size 48e Found a VBT of 4608 bytes after decompression psys_pmax = 360 FMAP: area GBB found @ c11000 (978944 bytes) ITSS IRQ Polarities Before: IPC0: 0x00ff4000 IPC1: 0x00000007 IPC2: 0x00000000 IPC3: 0x00000000 ITSS IRQ Polarities After: IPC0: 0x00ff4000 IPC1: 0x00000007 IPC2: 0x00000000 IPC3: 0x00000000 Override DT after FSP-S, PCH is KBL/SKL PCH-LP SKU BS: BS_DEV_INIT_CHIPS times (us): entry 376037 run 163853 exit 0 Enumerating buses... Show all devs... Before device enumeration. Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 DOMAIN: 0000: enabled 1 APIC: 00: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 PCI: 00:15.1: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PCI: 00:1f.1: enabled 1 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 USB0 port 0: enabled 1 I2C: 00:5c: enabled 1 I2C: 00:15: enabled 1 I2C: 00:39: enabled 1 I2C: 00:3a: enabled 1 I2C: 00:1a: enabled 1 PCI: 00:00.0: enabled 1 SPI: 00: enabled 1 PNP: 0c09.0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 APIC: 01: enabled 1 APIC: 03: enabled 1 APIC: 02: enabled 1 Compare with tree... Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 APIC: 00: enabled 1 APIC: 01: enabled 1 APIC: 03: enabled 1 APIC: 02: enabled 1 DOMAIN: 0000: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 USB0 port 0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 I2C: 00:5c: enabled 1 PCI: 00:15.1: enabled 1 I2C: 00:15: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 I2C: 00:39: enabled 1 I2C: 00:3a: enabled 1 I2C: 00:1a: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 SPI: 00: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PNP: 0c09.0: enabled 1 PCI: 00:1f.1: enabled 1 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 Root Device scanning... root_dev_scan_bus for Root Device CPU_CLUSTER: 0 enabled DOMAIN: 0000 enabled DOMAIN: 0000 scanning... PCI: pci_scan_bus for bus 00 PCI: 00:00.0 [8086/0000] ops PCI: 00:00.0 [8086/590c] enabled PCI: 00:02.0 [8086/0000] ops PCI: 00:02.0 [8086/591c] enabled PCI: 00:04.0 [8086/1903] enabled PCI: 00:08.0 [8086/1911] enabled PCI: 00:14.0 [8086/0000] bus ops PCI: 00:14.0 [8086/9d2f] enabled PCI: 00:14.2 [8086/9d31] enabled PCI: 00:15.0 [8086/0000] bus ops PCI: 00:15.0 [8086/9d60] enabled PCI: 00:15.1 [8086/0000] bus ops PCI: 00:15.1 [8086/9d61] enabled PCI: 00:16.0 [8086/0000] ops PCI: 00:16.0 [8086/9d3a] enabled PCI: 00:19.0 [8086/0000] ops PCI: 00:19.0 [8086/9d66] enabled PCI: 00:19.1 [8086/0000] bus ops PCI: 00:19.1 [8086/9d65] enabled PCI: 00:1c.0 [8086/0000] bus ops PCI: 00:1c.0 [8086/9d10] enabled PCI: 00:1e.0 [8086/0000] ops PCI: 00:1e.0 [8086/9d27] enabled PCI: 00:1e.2 [8086/0000] bus ops PCI: 00:1e.2 [8086/9d29] enabled PCI: 00:1e.4 [8086/9d2b] enabled PCI: 00:1e.6 [8086/0000] ops PCI: 00:1e.6 [8086/9d2d] enabled PCI: 00:1f.0 [8086/0000] bus ops PCI: 00:1f.0 [8086/9d4b] enabled PCI: Static device PCI: 00:1f.1 not found, disabling it. PCI: 00:1f.2 [8086/0000] bus ops PCI: 00:1f.2 [8086/9d21] enabled PCI: 00:1f.3 [8086/0000] bus ops PCI: 00:1f.3 [8086/9d71] enabled PCI: 00:1f.4 [8086/0000] bus ops PCI: 00:1f.4 [8086/9d23] enabled PCI: 00:1f.5 [8086/0000] bus ops PCI: 00:1f.5 [8086/9d24] enabled PCI: 00:14.0 scanning... scan_usb_bus for PCI: 00:14.0 USB0 port 0 enabled USB0 port 0 scanning... scan_usb_bus for USB0 port 0 USB2 port 0 enabled USB2 port 1 enabled USB2 port 2 enabled USB2 port 4 enabled USB2 port 8 enabled USB2 port 0 scanning... scan_usb_bus for USB2 port 0 scan_usb_bus for USB2 port 0 done scan_bus: scanning of bus USB2 port 0 took 8975 usecs USB2 port 1 scanning... scan_usb_bus for USB2 port 1 scan_usb_bus for USB2 port 1 done scan_bus: scanning of bus USB2 port 1 took 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 8965 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 8974 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 8965 usecs scan_usb_bus for USB0 port 0 done scan_bus: scanning of bus USB0 port 0 took 90956 usecs scan_usb_bus for PCI: 00:14.0 done scan_bus: scanning of bus PCI: 00:14.0 took 107746 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 14149 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 14157 usecs PCI: 00:19.1 scanning... scan_generic_bus for PCI: 00:19.1 bus: PCI: 00:19.1[0]->I2C: 03:39 enabled bus: PCI: 00:19.1[0]->I2C: 03:3a enabled bus: PCI: 00:19.1[0]->I2C: 03:1a enabled scan_generic_bus for PCI: 00:19.1 done scan_bus: scanning of bus PCI: 00:19.1 took 22379 usecs PCI: 00:1c.0 scanning... do_pci_scan_bridge for PCI: 00:1c.0 PCI: pci_scan_bus for bus 01 PCI: 01:00.0 [8086/095a] enabled Capability: type 0x01 @ 0xc8 Capability: type 0x05 @ 0xd0 Capability: type 0x10 @ 0x40 Capability: type 0x10 @ 0x40 Enabling Common Clock Configuration L1 Sub-State supported from root port 28 L1 Sub-State Support = 0xf CommonModeRestoreTime = 0x28 Power On Value = 0x1e, Power On Scale = 0x0 ASPM: Enabled L1 Capability: type 0x01 @ 0xc8 Capability: type 0x05 @ 0xd0 Capability: type 0x10 @ 0x40 scan_bus: scanning of bus PCI: 00:1c.0 took 53521 usecs PCI: 00:1e.2 scanning... scan_generic_bus for PCI: 00:1e.2 bus: PCI: 00:1e.2[0]->SPI: 00 enabled scan_generic_bus for PCI: 00:1e.2 done scan_bus: scanning of bus PCI: 00:1e.2 took 13862 usecs PCI: 00:1f.0 scanning... scan_lpc_bus for PCI: 00:1f.0 PNP: 0c09.0 enabled scan_lpc_bus for PCI: 00:1f.0 done scan_bus: scanning of bus PCI: 00:1f.0 took 11311 usecs PCI: 00:1f.2 scanning... scan_lpc_bus for PCI: 00:1f.2 scan_lpc_bus for PCI: 00:1f.2 done scan_bus: scanning of bus PCI: 00:1f.2 took 9267 usecs PCI: 00:1f.3 scanning... scan_bus: scanning of bus PCI: 00:1f.3 took 2718 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 10044 usecs scan_bus: scanning of bus DOMAIN: 0000 took 466067 usecs root_dev_scan_bus for Root Device done scan_bus: scanning of bus Root Device took 486168 usecs done Chrome EC: UHEPI supported FMAP: area RECOVERY_MRC_CACHE found @ 9d0000 (65536 bytes) MRC: Checking cached data update for 'RECOVERY_MRC_CACHE'. SF: Detected FAST_SPI Hardware Sequencer with sector size 0x1000, total 0x1000000 FMAP: area UNIFIED_MRC_CACHE found @ 9d0000 (131072 bytes) SPI flash protection: WPSW=0 SRP0=0 MRC: NOT enabling PRR for 'UNIFIED_MRC_CACHE'. BS: BS_DEV_ENUMERATE times (us): entry 0 run 825962 exit 39205 found VGA at PCI: 00:02.0 Setting up VGA for PCI: 00:02.0 Setting PCI_BRIDGE_CTL_VGA for bridge DOMAIN: 0000 Setting PCI_BRIDGE_CTL_VGA for bridge Root Device Allocating resources... Reading resources... Root Device read_resources bus 0 link: 0 CPU_CLUSTER: 0 read_resources bus 0 link: 0 CPU_CLUSTER: 0 read_resources bus 0 link: 0 done DOMAIN: 0000 read_resources bus 0 link: 0 PCI: 00:14.0 read_resources bus 0 link: 0 USB0 port 0 read_resources bus 0 link: 0 USB0 port 0 read_resources bus 0 link: 0 done PCI: 00:14.0 read_resources bus 0 link: 0 done PCI: 00:15.0 read_resources bus 1 link: 0 PCI: 00:15.0 read_resources bus 1 link: 0 done PCI: 00:15.1 read_resources bus 2 link: 0 PCI: 00:15.1 read_resources bus 2 link: 0 done PCI: 00:19.1 read_resources bus 3 link: 0 PCI: 00:19.1 read_resources bus 3 link: 0 done PCI: 00:1c.0 read_resources bus 1 link: 0 PCI: 00:1c.0 read_resources bus 1 link: 0 done PCI: 00:1e.2 read_resources bus 4 link: 0 PCI: 00:1e.2 read_resources bus 4 link: 0 done PCI: 00:1f.0 read_resources bus 0 link: 0 PCI: 00:1f.0 read_resources bus 0 link: 0 done DOMAIN: 0000 read_resources bus 0 link: 0 done Root Device read_resources bus 0 link: 0 done Done reading resources. Show resources in subtree (Root Device)...After reading. Root Device child on link 0 CPU_CLUSTER: 0 CPU_CLUSTER: 0 child on link 0 APIC: 00 APIC: 00 APIC: 01 APIC: 03 APIC: 02 DOMAIN: 0000 child on link 0 PCI: 00:00.0 DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffff flags 40040100 index 10000000 DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffffffff flags 40040200 index 10000100 PCI: 00:00.0 PCI: 00:00.0 resource base e0000000 size 4000000 align 0 gran 0 limit 0 flags f0000200 index 0 PCI: 00:00.0 resource base fed10000 size 8000 align 0 gran 0 limit 0 flags f0000200 index 1 PCI: 00:00.0 resource base fed18000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 2 PCI: 00:00.0 resource base fed19000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 3 PCI: 00:00.0 resource base fed84000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 4 PCI: 00:00.0 resource base fed80000 size 4000 align 0 gran 0 limit 0 flags f0000200 index 5 PCI: 00:00.0 resource base fed90000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 6 PCI: 00:00.0 resource base fed91000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 7 PCI: 00:00.0 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 8 PCI: 00:00.0 resource base c0000 size 7af40000 align 0 gran 0 limit 0 flags e0004200 index 9 PCI: 00:00.0 resource base 7b000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index b PCI: 00:00.0 resource base 7b800000 size 4800000 align 0 gran 0 limit 0 flags f0000200 index c PCI: 00:00.0 resource base 100000000 size 7f000000 align 0 gran 0 limit 0 flags e0004200 index d PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index e PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index f PCI: 00:02.0 PCI: 00:02.0 resource base 0 size 1000000 align 24 gran 24 limit ffffffffffffffff flags 201 index 10 PCI: 00:02.0 resource base 0 size 10000000 align 28 gran 28 limit ffffffffffffffff flags 1201 index 18 PCI: 00:02.0 resource base 0 size 40 align 6 gran 6 limit ffff flags 100 index 20 PCI: 00:04.0 PCI: 00:04.0 resource base 0 size 8000 align 15 gran 15 limit ffffffffffffffff flags 201 index 10 PCI: 00:08.0 PCI: 00:08.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:14.0 child on link 0 USB0 port 0 PCI: 00:14.0 resource base 0 size 10000 align 16 gran 16 limit ffffffffffffffff flags 201 index 10 USB0 port 0 child on link 0 USB2 port 0 USB2 port 0 USB2 port 1 USB2 port 2 USB2 port 4 USB2 port 8 PCI: 00:14.1 PCI: 00:14.2 PCI: 00:14.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:15.0 child on link 0 I2C: 01:5c PCI: 00:15.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 01:5c PCI: 00:15.1 child on link 0 I2C: 02:15 PCI: 00:15.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 02:15 PCI: 00:15.2 PCI: 00:15.3 PCI: 00:16.0 PCI: 00:16.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:16.1 PCI: 00:16.2 PCI: 00:16.3 PCI: 00:16.4 PCI: 00:17.0 PCI: 00:19.0 PCI: 00:19.0 resource base fe034000 size 1000 align 12 gran 12 limit ffffffffffffffff flags c0000200 index 10 PCI: 00:19.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 PCI: 00:19.1 child on link 0 I2C: 03:39 PCI: 00:19.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 03:39 I2C: 03:3a I2C: 03:1a PCI: 00:19.2 PCI: 00:1c.0 child on link 0 PCI: 01:00.0 PCI: 00:1c.0 resource base 0 size 0 align 12 gran 12 limit ffff flags 80102 index 1c PCI: 00:1c.0 resource base 0 size 0 align 20 gran 20 limit ffffffffffffffff flags 81202 index 24 PCI: 00:1c.0 resource base 0 size 0 align 20 gran 20 limit ffffffff flags 80202 index 20 PCI: 01:00.0 PCI: 01:00.0 resource base 0 size 2000 align 13 gran 13 limit ffffffffffffffff flags 201 index 10 PCI: 00:1c.1 PCI: 00:1c.2 PCI: 00:1c.3 PCI: 00:1c.4 PCI: 00:1c.5 PCI: 00:1c.6 PCI: 00:1c.7 PCI: 00:1d.0 PCI: 00:1d.1 PCI: 00:1d.2 PCI: 00:1d.3 PCI: 00:1e.0 PCI: 00:1e.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1e.1 PCI: 00:1e.2 child on link 0 SPI: 00 PCI: 00:1e.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 SPI: 00 PCI: 00:1e.3 PCI: 00:1e.4 PCI: 00:1e.4 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1e.5 PCI: 00:1e.6 PCI: 00:1e.6 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.0 child on link 0 PNP: 0c09.0 PCI: 00:1f.0 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0000100 index 0 PNP: 0c09.0 PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0 PCI: 00:1f.1 PCI: 00:1f.2 PCI: 00:1f.2 resource base 0 size 4000 align 14 gran 14 limit ffffffff flags 200 index 10 PCI: 00:1f.2 resource base fe000000 size 10000 align 0 gran 0 limit 0 flags d0000200 index 48 PCI: 00:1f.2 resource base 1800 size 100 align 0 gran 0 limit 0 flags c0000100 index 40 PCI: 00:1f.3 PCI: 00:1f.3 resource base 0 size 4000 align 14 gran 14 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.3 resource base 0 size 10000 align 16 gran 16 limit ffffffffffffffff flags 201 index 20 PCI: 00:1f.4 PCI: 00:1f.4 resource base efa0 size 20 align 0 gran 0 limit efbf flags f0000100 index 20 PCI: 00:1f.4 resource base 0 size 100 align 12 gran 8 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.5 PCI: 00:1f.5 resource base 0 size 1000 align 12 gran 12 limit ffffffff flags 200 index 10 PCI: 00:1f.6 DOMAIN: 0000 io: base: 0 size: 0 align: 0 gran: 0 limit: ffff PCI: 00:1c.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff PCI: 00:1c.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff done PCI: 00:02.0 20 * [0x0 - 0x3f] io DOMAIN: 0000 io: base: 40 size: 40 align: 6 gran: 0 limit: ffff done DOMAIN: 0000 mem: base: 0 size: 0 align: 0 gran: 0 limit: ffffffff PCI: 00:1c.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff PCI: 00:1c.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff done PCI: 00:1c.0 mem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffff PCI: 01:00.0 10 * [0x0 - 0x1fff] mem PCI: 00:1c.0 mem: base: 2000 size: 100000 align: 20 gran: 20 limit: ffffffff done PCI: 00:02.0 18 * [0x0 - 0xfffffff] prefmem PCI: 00:02.0 10 * [0x10000000 - 0x10ffffff] mem PCI: 00:1c.0 20 * [0x11000000 - 0x110fffff] mem PCI: 00:14.0 10 * [0x11100000 - 0x1110ffff] mem PCI: 00:1f.3 20 * [0x11110000 - 0x1111ffff] mem PCI: 00:04.0 10 * [0x11120000 - 0x11127fff] mem PCI: 00:1f.2 10 * [0x11128000 - 0x1112bfff] mem PCI: 00:1f.3 10 * [0x1112c000 - 0x1112ffff] mem PCI: 00:08.0 10 * [0x11130000 - 0x11130fff] mem PCI: 00:14.2 10 * [0x11131000 - 0x11131fff] mem PCI: 00:15.0 10 * [0x11132000 - 0x11132fff] mem PCI: 00:15.1 10 * [0x11133000 - 0x11133fff] mem PCI: 00:16.0 10 * [0x11134000 - 0x11134fff] mem PCI: 00:19.0 18 * [0x11135000 - 0x11135fff] mem PCI: 00:19.1 10 * [0x11136000 - 0x11136fff] mem PCI: 00:1e.0 10 * [0x11137000 - 0x11137fff] mem PCI: 00:1e.2 10 * [0x11138000 - 0x11138fff] mem PCI: 00:1e.4 10 * [0x11139000 - 0x11139fff] mem PCI: 00:1e.6 10 * [0x1113a000 - 0x1113afff] mem PCI: 00:1f.5 10 * [0x1113b000 - 0x1113bfff] mem PCI: 00:1f.4 10 * [0x1113c000 - 0x1113c0ff] mem DOMAIN: 0000 mem: base: 1113c100 size: 1113c100 align: 28 gran: 0 limit: ffffffff done avoid_fixed_resources: DOMAIN: 0000 avoid_fixed_resources:@DOMAIN: 0000 10000000 limit 0000ffff avoid_fixed_resources:@DOMAIN: 0000 10000100 limit ffffffff constrain_resources: PCI: 00:00.0 00 base e0000000 limit e3ffffff mem (fixed) constrain_resources: PCI: 00:00.0 08 base 00000000 limit 0009ffff mem (fixed) constrain_resources: PCI: 00:00.0 09 base 000c0000 limit 7affffff mem (fixed) constrain_resources: PCI: 00:00.0 0b base 7b000000 limit 7b7fffff mem (fixed) constrain_resources: PCI: 00:00.0 0c base 7b800000 limit 7fffffff mem (fixed) constrain_resources: PCI: 00:1f.0 00 base 00000000 limit 00000fff io (fixed) constrain_resources: PCI: 00:1f.2 40 base 00001800 limit 000018ff io (fixed) constrain_resources: PCI: 00:1f.4 20 base 0000efa0 limit 0000efbf io (fixed) avoid_fixed_resources:@DOMAIN: 0000 10000000 base 00001900 limit 0000ef9f avoid_fixed_resources:@DOMAIN: 0000 10000100 base c0000000 limit dfffffff Setting resources... DOMAIN: 0000 io: base:1900 size:40 align:6 gran:0 limit:ef9f PCI: 00:02.0 20 * [0x1c00 - 0x1c3f] io DOMAIN: 0000 io: next_base: 1c40 size: 40 align: 6 gran: 0 done PCI: 00:1c.0 io: base:ef9f size:0 align:12 gran:12 limit:ef9f PCI: 00:1c.0 io: next_base: ef9f size: 0 align: 12 gran: 12 done DOMAIN: 0000 mem: base:c0000000 size:1113c100 align:28 gran:0 limit:dfffffff PCI: 00:02.0 18 * [0xc0000000 - 0xcfffffff] prefmem PCI: 00:02.0 10 * [0xd0000000 - 0xd0ffffff] mem PCI: 00:1c.0 20 * [0xd1000000 - 0xd10fffff] mem PCI: 00:14.0 10 * [0xd1100000 - 0xd110ffff] mem PCI: 00:1f.3 20 * [0xd1110000 - 0xd111ffff] mem PCI: 00:04.0 10 * [0xd1120000 - 0xd1127fff] mem PCI: 00:1f.2 10 * [0xd1128000 - 0xd112bfff] mem PCI: 00:1f.3 10 * [0xd112c000 - 0xd112ffff] mem PCI: 00:08.0 10 * [0xd1130000 - 0xd1130fff] mem PCI: 00:14.2 10 * [0xd1131000 - 0xd1131fff] mem PCI: 00:15.0 10 * [0xd1132000 - 0xd1132fff] mem PCI: 00:15.1 10 * [0xd1133000 - 0xd1133fff] mem PCI: 00:16.0 10 * [0xd1134000 - 0xd1134fff] mem PCI: 00:19.0 18 * [0xd1135000 - 0xd1135fff] mem PCI: 00:19.1 10 * [0xd1136000 - 0xd1136fff] mem PCI: 00:1e.0 10 * [0xd1137000 - 0xd1137fff] mem PCI: 00:1e.2 10 * [0xd1138000 - 0xd1138fff] mem PCI: 00:1e.4 10 * [0xd1139000 - 0xd1139fff] mem PCI: 00:1e.6 10 * [0xd113a000 - 0xd113afff] mem PCI: 00:1f.5 10 * [0xd113b000 - 0xd113bfff] mem PCI: 00:1f.4 10 * [0xd113c000 - 0xd113c0ff] mem DOMAIN: 0000 mem: next_base: d113c100 size: 1113c100 align: 28 gran: 0 done PCI: 00:1c.0 prefmem: base:dfffffff size:0 align:20 gran:20 limit:dfffffff PCI: 00:1c.0 prefmem: next_base: dfffffff size: 0 align: 20 gran: 20 done PCI: 00:1c.0 mem: base:d1000000 size:100000 align:20 gran:20 limit:d10fffff PCI: 01:00.0 10 * [0xd1000000 - 0xd1001fff] mem PCI: 00:1c.0 mem: next_base: d1002000 size: 100000 align: 20 gran: 20 done Root Device assign_resources, bus 0 link: 0 DOMAIN: 0000 assign_resources, bus 0 link: 0 PCI: 00:02.0 10 <- [0x00d0000000 - 0x00d0ffffff] size 0x01000000 gran 0x18 mem64 PCI: 00:02.0 18 <- [0x00c0000000 - 0x00cfffffff] size 0x10000000 gran 0x1c prefmem64 PCI: 00:02.0 20 <- [0x0000001c00 - 0x0000001c3f] size 0x00000040 gran 0x06 io PCI: 00:04.0 10 <- [0x00d1120000 - 0x00d1127fff] size 0x00008000 gran 0x0f mem64 PCI: 00:08.0 10 <- [0x00d1130000 - 0x00d1130fff] size 0x00001000 gran 0x0c mem64 PCI: 00:14.0 10 <- [0x00d1100000 - 0x00d110ffff] size 0x00010000 gran 0x10 mem64 PCI: 00:14.0 assign_resources, bus 0 link: 0 PCI: 00:14.0 assign_resources, bus 0 link: 0 PCI: 00:14.2 10 <- [0x00d1131000 - 0x00d1131fff] size 0x00001000 gran 0x0c mem64 PCI: 00:15.0 10 <- [0x00d1132000 - 0x00d1132fff] size 0x00001000 gran 0x0c mem64 PCI: 00:15.0 assign_resources, bus 1 link: 0 PCI: 00:15.0 assign_resources, bus 1 link: 0 PCI: 00:15.1 10 <- [0x00d1133000 - 0x00d1133fff] size 0x00001000 gran 0x0c mem64 PCI: 00:15.1 assign_resources, bus 2 link: 0 PCI: 00:15.1 assign_resources, bus 2 link: 0 PCI: 00:16.0 10 <- [0x00d1134000 - 0x00d1134fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.0 18 <- [0x00d1135000 - 0x00d1135fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.1 10 <- [0x00d1136000 - 0x00d1136fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.1 assign_resources, bus 3 link: 0 PCI: 00:19.1 assign_resources, bus 3 link: 0 PCI: 00:1c.0 1c <- [0x000000ef9f - 0x000000ef9e] size 0x00000000 gran 0x0c bus 01 io PCI: 00:1c.0 24 <- [0x00dfffffff - 0x00dffffffe] size 0x00000000 gran 0x14 bus 01 prefmem PCI: 00:1c.0 20 <- [0x00d1000000 - 0x00d10fffff] size 0x00100000 gran 0x14 bus 01 mem PCI: 00:1c.0 assign_resources, bus 1 link: 0 PCI: 01:00.0 10 <- [0x00d1000000 - 0x00d1001fff] size 0x00002000 gran 0x0d mem64 PCI: 00:1c.0 assign_resources, bus 1 link: 0 PCI: 00:1e.0 10 <- [0x00d1137000 - 0x00d1137fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1e.2 10 <- [0x00d1138000 - 0x00d1138fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1e.2 assign_resources, bus 4 link: 0 PCI: 00:1e.2 assign_resources, bus 4 link: 0 PCI: 00:1e.4 10 <- [0x00d1139000 - 0x00d1139fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1e.6 10 <- [0x00d113a000 - 0x00d113afff] size 0x00001000 gran 0x0c mem64 PCI: 00:1f.0 assign_resources, bus 0 link: 0 PCI: 00:1f.0 assign_resources, bus 0 link: 0 LPC: Trying to open IO window from 800 size 1ff PCI: 00:1f.2 10 <- [0x00d1128000 - 0x00d112bfff] size 0x00004000 gran 0x0e mem PCI: 00:1f.3 10 <- [0x00d112c000 - 0x00d112ffff] size 0x00004000 gran 0x0e mem64 PCI: 00:1f.3 20 <- [0x00d1110000 - 0x00d111ffff] size 0x00010000 gran 0x10 mem64 PCI: 00:1f.4 10 <- [0x00d113c000 - 0x00d113c0ff] size 0x00000100 gran 0x08 mem64 PCI: 00:1f.5 10 <- [0x00d113b000 - 0x00d113bfff] size 0x00001000 gran 0x0c mem DOMAIN: 0000 assign_resources, bus 0 link: 0 Root Device assign_resources, bus 0 link: 0 Done setting resources. Show resources in subtree (Root Device)...After assigning values. Root Device child on link 0 CPU_CLUSTER: 0 CPU_CLUSTER: 0 child on link 0 APIC: 00 APIC: 00 APIC: 01 APIC: 03 APIC: 02 DOMAIN: 0000 child on link 0 PCI: 00:00.0 DOMAIN: 0000 resource base 1900 size 40 align 6 gran 0 limit ef9f flags 40040100 index 10000000 DOMAIN: 0000 resource base c0000000 size 1113c100 align 28 gran 0 limit dfffffff flags 40040200 index 10000100 PCI: 00:00.0 PCI: 00:00.0 resource base e0000000 size 4000000 align 0 gran 0 limit 0 flags f0000200 index 0 PCI: 00:00.0 resource base fed10000 size 8000 align 0 gran 0 limit 0 flags f0000200 index 1 PCI: 00:00.0 resource base fed18000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 2 PCI: 00:00.0 resource base fed19000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 3 PCI: 00:00.0 resource base fed84000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 4 PCI: 00:00.0 resource base fed80000 size 4000 align 0 gran 0 limit 0 flags f0000200 index 5 PCI: 00:00.0 resource base fed90000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 6 PCI: 00:00.0 resource base fed91000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 7 PCI: 00:00.0 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 8 PCI: 00:00.0 resource base c0000 size 7af40000 align 0 gran 0 limit 0 flags e0004200 index 9 PCI: 00:00.0 resource base 7b000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index b PCI: 00:00.0 resource base 7b800000 size 4800000 align 0 gran 0 limit 0 flags f0000200 index c PCI: 00:00.0 resource base 100000000 size 7f000000 align 0 gran 0 limit 0 flags e0004200 index d PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index e PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index f PCI: 00:02.0 PCI: 00:02.0 resource base d0000000 size 1000000 align 24 gran 24 limit d0ffffff flags 60000201 index 10 PCI: 00:02.0 resource base c0000000 size 10000000 align 28 gran 28 limit cfffffff flags 60001201 index 18 PCI: 00:02.0 resource base 1c00 size 40 align 6 gran 6 limit 1c3f flags 60000100 index 20 PCI: 00:04.0 PCI: 00:04.0 resource base d1120000 size 8000 align 15 gran 15 limit d1127fff flags 60000201 index 10 PCI: 00:08.0 PCI: 00:08.0 resource base d1130000 size 1000 align 12 gran 12 limit d1130fff flags 60000201 index 10 PCI: 00:14.0 child on link 0 USB0 port 0 PCI: 00:14.0 resource base d1100000 size 10000 align 16 gran 16 limit d110ffff flags 60000201 index 10 USB0 port 0 child on link 0 USB2 port 0 USB2 port 0 USB2 port 1 USB2 port 2 USB2 port 4 USB2 port 8 PCI: 00:14.1 PCI: 00:14.2 PCI: 00:14.2 resource base d1131000 size 1000 align 12 gran 12 limit d1131fff flags 60000201 index 10 PCI: 00:15.0 child on link 0 I2C: 01:5c PCI: 00:15.0 resource base d1132000 size 1000 align 12 gran 12 limit d1132fff flags 60000201 index 10 I2C: 01:5c PCI: 00:15.1 child on link 0 I2C: 02:15 PCI: 00:15.1 resource base d1133000 size 1000 align 12 gran 12 limit d1133fff flags 60000201 index 10 I2C: 02:15 PCI: 00:15.2 PCI: 00:15.3 PCI: 00:16.0 PCI: 00:16.0 resource base d1134000 size 1000 align 12 gran 12 limit d1134fff flags 60000201 index 10 PCI: 00:16.1 PCI: 00:16.2 PCI: 00:16.3 PCI: 00:16.4 PCI: 00:17.0 PCI: 00:19.0 PCI: 00:19.0 resource base fe034000 size 1000 align 12 gran 12 limit ffffffffffffffff flags c0000200 index 10 PCI: 00:19.0 resource base d1135000 size 1000 align 12 gran 12 limit d1135fff flags 60000201 index 18 PCI: 00:19.1 child on link 0 I2C: 03:39 PCI: 00:19.1 resource base d1136000 size 1000 align 12 gran 12 limit d1136fff flags 60000201 index 10 I2C: 03:39 I2C: 03:3a I2C: 03:1a PCI: 00:19.2 PCI: 00:1c.0 child on link 0 PCI: 01:00.0 PCI: 00:1c.0 resource base ef9f size 0 align 12 gran 12 limit ef9f flags 60080102 index 1c PCI: 00:1c.0 resource base dfffffff size 0 align 20 gran 20 limit dfffffff flags 60081202 index 24 PCI: 00:1c.0 resource base d1000000 size 100000 align 20 gran 20 limit d10fffff flags 60080202 index 20 PCI: 01:00.0 PCI: 01:00.0 resource base d1000000 size 2000 align 13 gran 13 limit d1001fff flags 60000201 index 10 PCI: 00:1c.1 PCI: 00:1c.2 PCI: 00:1c.3 PCI: 00:1c.4 PCI: 00:1c.5 PCI: 00:1c.6 PCI: 00:1c.7 PCI: 00:1d.0 PCI: 00:1d.1 PCI: 00:1d.2 PCI: 00:1d.3 PCI: 00:1e.0 PCI: 00:1e.0 resource base d1137000 size 1000 align 12 gran 12 limit d1137fff flags 60000201 index 10 PCI: 00:1e.1 PCI: 00:1e.2 child on link 0 SPI: 00 PCI: 00:1e.2 resource base d1138000 size 1000 align 12 gran 12 limit d1138fff flags 60000201 index 10 SPI: 00 PCI: 00:1e.3 PCI: 00:1e.4 PCI: 00:1e.4 resource base d1139000 size 1000 align 12 gran 12 limit d1139fff flags 60000201 index 10 PCI: 00:1e.5 PCI: 00:1e.6 PCI: 00:1e.6 resource base d113a000 size 1000 align 12 gran 12 limit d113afff flags 60000201 index 10 PCI: 00:1f.0 child on link 0 PNP: 0c09.0 PCI: 00:1f.0 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0000100 index 0 PNP: 0c09.0 PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0 PCI: 00:1f.1 PCI: 00:1f.2 PCI: 00:1f.2 resource base d1128000 size 4000 align 14 gran 14 limit d112bfff flags 60000200 index 10 PCI: 00:1f.2 resource base fe000000 size 10000 align 0 gran 0 limit 0 flags d0000200 index 48 PCI: 00:1f.2 resource base 1800 size 100 align 0 gran 0 limit 0 flags c0000100 index 40 PCI: 00:1f.3 PCI: 00:1f.3 resource base d112c000 size 4000 align 14 gran 14 limit d112ffff flags 60000201 index 10 PCI: 00:1f.3 resource base d1110000 size 10000 align 16 gran 16 limit d111ffff flags 60000201 index 20 PCI: 00:1f.4 PCI: 00:1f.4 resource base efa0 size 20 align 0 gran 0 limit efbf flags f0000100 index 20 PCI: 00:1f.4 resource base d113c000 size 100 align 12 gran 8 limit d113c0ff flags 60000201 index 10 PCI: 00:1f.5 PCI: 00:1f.5 resource base d113b000 size 1000 align 12 gran 12 limit d113bfff flags 60000200 index 10 PCI: 00:1f.6 Done allocating resources. BS: BS_DEV_RESOURCES times (us): entry 0 run 2113885 exit 31 Enabling resources... PCI: 00:00.0 subsystem <- 8086/590c PCI: 00:00.0 cmd <- 06 PCI: 00:02.0 subsystem <- 8086/591c PCI: 00:02.0 cmd <- 03 PCI: 00:04.0 cmd <- 02 PCI: 00:08.0 cmd <- 06 PCI: 00:14.0 subsystem <- 8086/9d2f PCI: 00:14.0 cmd <- 02 PCI: 00:14.2 subsystem <- 8086/9d31 PCI: 00:14.2 cmd <- 02 PCI: 00:15.0 subsystem <- 8086/9d60 PCI: 00:15.0 cmd <- 06 PCI: 00:15.1 subsystem <- 8086/9d61 PCI: 00:15.1 cmd <- 06 PCI: 00:16.0 subsystem <- 8086/9d3a PCI: 00:16.0 cmd <- 02 PCI: 00:19.0 subsystem <- 8086/9d66 PCI: 00:19.0 cmd <- 06 PCI: 00:19.1 subsystem <- 8086/9d65 PCI: 00:19.1 cmd <- 06 PCI: 00:1c.0 bridge ctrl <- 0003 PCI: 00:1c.0 subsystem <- 8086/9d10 PCI: 00:1c.0 cmd <- 06 PCI: 00:1e.0 subsystem <- 8086/9d27 PCI: 00:1e.0 cmd <- 06 PCI: 00:1e.2 subsystem <- 8086/9d29 PCI: 00:1e.2 cmd <- 06 PCI: 00:1e.4 subsystem <- 8086/9d2b PCI: 00:1e.4 cmd <- 06 PCI: 00:1e.6 subsystem <- 8086/9d2d PCI: 00:1e.6 cmd <- 06 PCI: 00:1f.0 subsystem <- 8086/9d4b PCI: 00:1f.0 cmd <- 407 PCI: 00:1f.2 subsystem <- 8086/9d21 PCI: 00:1f.2 cmd <- 02 PCI: 00:1f.3 subsystem <- 8086/9d71 PCI: 00:1f.3 cmd <- 02 PCI: 00:1f.4 subsystem <- 8086/9d23 PCI: 00:1f.4 cmd <- 03 PCI: 00:1f.5 subsystem <- 8086/9d24 PCI: 00:1f.5 cmd <- 406 PCI: 01:00.0 subsystem <- 8086/095a PCI: 01:00.0 cmd <- 02 done. ME: Version : 11.8.50.3470 BS: BS_DEV_ENABLE times (us): entry 233 run 139304 exit 19239 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 30850 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 6984 usecs PCI: 00:02.0 init ... PCI: 00:02.0 init finished in 2250 usecs PCI: 00:04.0 init ... PCI: 00:04.0 init finished in 2249 usecs PCI: 00:08.0 init ... PCI: 00:08.0 init finished in 2247 usecs PCI: 00:14.0 init ... PCI: 00:14.0 init finished in 2248 usecs PCI: 00:14.2 init ... PCI: 00:14.2 init finished in 2241 usecs PCI: 00:15.0 init ... DW I2C bus 0 at 0xd1132000 (400 KHz) PCI: 00:15.0 init finished in 5968 usecs PCI: 00:15.1 init ... DW I2C bus 1 at 0xd1133000 (400 KHz) PCI: 00:15.1 init finished in 5968 usecs PCI: 00:16.0 init ... PCI: 00:16.0 init finished in 2249 usecs PCI: 00:19.1 init ... DW I2C bus 5 at 0xd1136000 (400 KHz) PCI: 00:19.1 init finished in 5967 usecs PCI: 00:1c.0 init ... Initializing PCH PCIe bridge. PCI: 00:1c.0 init finished in 5279 usecs PCI: 00:1e.4 init ... PCI: 00:1e.4 init finished in 2249 usecs PCI: 00:1f.0 init ... IOAPIC: Initializing IOAPIC at 0xfec00000 IOAPIC: Bootstrap Processor Local APIC = 0x00 IOAPIC: ID = 0x02 IOAPIC: Dumping registers reg 0x0000: 0x02000000 reg 0x0001: 0x00770020 reg 0x0002: 0x00000000 PCI: 00:1f.0 init finished in 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 23839 usecs PCI: 00:1f.4 init ... PCI: 00:1f.4 init finished in 2260 usecs PCI: 01:00.0 init ... PCI: 01:00.0 init finished in 2386 usecs PNP: 0c09.0 init ... Google Chrome EC: Hello got back 11223344 status (0) Google Chrome EC: version: ro: rammus_v2.0.387-f0df0fe2e rw: rammus_v2.0.425-6e0dd622e running image: 1 EC returned error result code 1 PNP: 0c09.0 init finished in 24602 usecs Devices initialized Show all devs... After init. Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 DOMAIN: 0000: enabled 1 APIC: 00: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 PCI: 00:15.1: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PCI: 00:1f.1: enabled 0 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 USB0 port 0: enabled 1 I2C: 01:5c: enabled 1 I2C: 02:15: enabled 1 I2C: 03:39: enabled 1 I2C: 03:3a: enabled 1 I2C: 03:1a: enabled 1 PCI: 01:00.0: enabled 1 SPI: 00: enabled 1 PNP: 0c09.0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 APIC: 01: enabled 1 APIC: 03: enabled 1 APIC: 02: enabled 1 PCI: 00:04.0: enabled 1 PCI: 00:08.0: enabled 1 FMAP: area RW_ELOG found @ 9f0000 (16384 bytes) ELOG: NV offset 0x9f0000 size 0x4000 ELOG: area is 4096 bytes, full threshold 3842, shrink size 1024 ELOG: Event(17) added with size 13 at 2023-12-14 00:27:30 UTC POST: Unexpected post code in previous boot: 0x34 ELOG: Event(A3) added with size 11 at 2023-12-14 00:27:30 UTC ELOG: Event(A6) added with size 13 at 2023-12-14 00:27:30 UTC ELOG: Event(92) added with size 9 at 2023-12-14 00:27:30 UTC ELOG: Event(9A) added with size 9 at 2023-12-14 00:27:30 UTC ELOG: Event(AD) added with size 10 at 2023-12-14 00:27:30 UTC ELOG: Event(9F) added with size 14 at 2023-12-14 00:27:30 UTC BS: BS_DEV_INIT times (us): entry 0 run 417241 exit 66323 ELOG: Event(A1) added with size 10 at 2023-12-14 00:27:30 UTC elog_add_boot_reason: Logged recovery mode boot (Dev-switch on), reason: 0x1b ELOG: Event(A0) added with size 9 at 2023-12-14 00:27:30 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 25544 run 3959 exit 5196 BS: BS_OS_RESUME_CHECK times (us): entry 0 run 55 exit 0 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/dsdt.aml' CBFS: Found @ offset 19af40 size 4691 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/slic' CBFS: 'fallback/slic' not found. ACPI: Writing ACPI tables at 7aa9a000. ACPI: * FACS ACPI: * DSDT Ramoops buffer: 0x100000@0x7a999000. SGX: not enabled or not supported. skip gnvs fill ACPI: * FADT SCI is IRQ9 ACPI: added table 1/32, length now 40 ACPI: * SSDT Found 1 CPU(s) with 4 core(s) each. \_SB.PCI0.I2C0.H05C: SISC Touchscreen at I2C: 01:5c \_SB.PCI0.I2C1.D015: ELAN Touchpad at I2C: 02:15 \_SB.PCI0.I2C5.MAXR: Maxim MAX98927 Codec address 039h \_SB.PCI0.I2C5.MAXL: Maxim MAX98927 Codec address 03ah \_SB.PCI0.I2C5.DLG7: Dialog Semiconductor DA7219 Audio Codec address 01ah irq 105 Error: Could not locate 'wifi_sar' in VPD. Error: failed from getting SAR limits! \_SB.PCI0.RP01.WIFI: Intel WiFi PCI: 01:00.0 \_SB.PCI0.SPI0.S001: SPI Device at SPI: 00 \_SB.PCI0.XHCI.RHUB.HS01: USB Type C Port 1 at USB2 port 0 \_SB.PCI0.XHCI.RHUB.HS02: USB Type A Port 1 at USB2 port 1 \_SB.PCI0.XHCI.RHUB.HS03: Bluetooth at USB2 port 2 \_SB.PCI0.XHCI.RHUB.HS05: USB Type C Port 2 at USB2 port 4 \_SB.PCI0.XHCI.RHUB.HS09: Camera at USB2 port 8 ACPI: added table 2/32, length now 44 ACPI: * MCFG ACPI: added table 3/32, length now 48 ACPI: * TPM2 ACPI: added table 4/32, length now 52 ACPI: * MADT SCI is IRQ9 ACPI: added table 5/32, length now 56 current = 7aa9fa60 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dmic-4ch-48khz-16b.bin' CBFS: Found @ offset 167000 size ba8 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dmic-4ch-48khz-32b.bin' CBFS: Found @ offset 19f640 size ba8 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dialog-2ch-48khz-24b.bin' CBFS: Found @ offset 167cc0 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dialog-2ch-48khz-24b.bin' CBFS: Found @ offset 167cc0 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'max98927-render-2ch-48khz-24b.bin' CBFS: Found @ offset 167c00 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'max98927-render-2ch-48khz-16b.bin' CBFS: Found @ offset 103f00 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'max98927-render-2ch-48khz-16b.bin' CBFS: Found @ offset 103f00 size 64 ACPI: * NHLT ACPI: added table 6/32, length now 60 ACPI: * DMAR ACPI: added table 7/32, length now 64 ACPI: * IGD OpRegion GMA: Found VBT in CBFS GMA: Found valid VBT in CBFS current = 7aaa3610 ACPI: added table 8/32, length now 68 ACPI: * HPET ACPI: added table 9/32, length now 72 ACPI: done. ACPI tables: 38592 bytes. smbios_write_tables: 7a998000 Create SMBIOS type 17 PCI: 01:00.0 (Intel WiFi) SMBIOS tables: 662 bytes. Writing table forward entry at 0x00000500 Wrote coreboot table at: 00000500, 0x10 bytes, checksum a532 Writing coreboot table at 0x7aabe000 0. 0000000000000000-0000000000000fff: CONFIGURATION TABLES 1. 0000000000001000-000000000009ffff: RAM 2. 00000000000a0000-00000000000fffff: RESERVED 3. 0000000000100000-000000007a997fff: RAM 4. 000000007a998000-000000007ab05fff: CONFIGURATION TABLES 5. 000000007ab06000-000000007abcffff: RAMSTAGE 6. 000000007abd0000-000000007affffff: CONFIGURATION TABLES 7. 000000007b000000-000000007fffffff: RESERVED 8. 00000000e0000000-00000000e3ffffff: RESERVED 9. 00000000fe000000-00000000fe00ffff: RESERVED 10. 00000000fed10000-00000000fed19fff: RESERVED 11. 00000000fed80000-00000000fed84fff: RESERVED 12. 00000000fed90000-00000000fed91fff: RESERVED 13. 0000000100000000-000000017effffff: RAM Graphics framebuffer located at 0xc0000000 Passing 6 GPIOs to payload: NAME | PORT | POLARITY | VALUE write protect | undefined | high | low recovery | undefined | high | low lid | undefined | high | high power | undefined | high | low oprom | undefined | high | low EC in RW | 0x00000036 | high | low Board ID: 6 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) Wrote coreboot table at: 7aabe000, 0x5a4 bytes, checksum d209 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 537422 exit 146843 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 : 0x00084000 ME: Host Firmware Status Register 5 : 0x00000000 ME: Host Firmware Status Register 6 : 0x40000002 ME: FW Partition Table : OK ME: Bringup Loader Failure : NO ME: Firmware Init Complete : YES ME: Manufacturing Mode : NO ME: Boot Options Present : NO ME: Update In Progress : NO ME: D3 Support : NO ME: D0i3 Support : YES ME: Low Power State Enabled : YES ME: CPU Replaced : NO ME: CPU Replacement Valid : YES ME: Current Working State : Normal ME: Current Operation State : M0 with UMA ME: Current Operation Mode : Normal ME: Error Code : No Error ME: Progress Phase : Host Communication ME: Power Management Event : Power cycle reset through Moff ME: Progress Phase State : Host communication established ME: Power Down Mitigation : NO ME: FPF status : fused Clearing MCA. Finalizing SMM. BS: BS_PAYLOAD_LOAD times (us): entry 630 run 262017 exit 135672 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 12264581/tftp-deploy-tddnab59/kernel/bzImage 12264581/tftp-deploy-tddnab59/kernel/cmdline 12264581/tftp-deploy-tddnab59/ramdisk/ramdisk.cpio.gz tftpboot 192.168.201.1 12264581/tftp-deploy-tddnab59/kernel/bzImploy-tddnab59/kernel/cmdline 12264581/tftp-deploy-tddnab59/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:68:0a:98 Sending DHCP discover... done. Waiting for reply... done. Sending DHCP request... done. Waiting for reply... done. My ip is 192.168.201.18 The DHCP server ip is 192.168.201.1 TFTP server IP predefined by user: 192.168.201.1 Bootfile predefined by user: 12264581/tftp-deploy-tddnab59/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 ############################################################## done. The bootfile was 17282976 bytes long. Sending tftp read request... done. Waiting for the transfer... 00000000 ################################################################ 00080000 ################################################################ 00100000 ################################################################ 00180000 ################################################################ 00200000 ################################################################ 00280000 ################################################################ 00300000 ################################################################ 00380000 ################################################################ 00400000 ################################################################ 00480000 ################################################################ 00500000 ################################################################ 00580000 ################################################################ 00600000 ################################################################ 00680000 ################################################################ 00700000 ################################################################ 00780000 ################################################################ 00800000 ################################################################ 00880000 ################################################################ 00900000 ################################################################ 00980000 ################################################################ 00a00000 # done. Sending tftp read request... done. Waiting for the transfer... 00000000 # done. Command line loaded dynamically from TFTP file: 12264581/tftp-deploy-tddnab59/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/12264581/extract-nfsrootfs-cy_a_e9h,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: 21359745 Starting kernel ... <5>[ 0.000000] Linux version 5.10.204-cip41 (KernelCI@build-j46889-x86-64-gcc-10-x86-64-defconfig-x86-board-ncr95) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Thu Dec 14 00:09:38 UTC 2023 <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/12264581/extract-nfsrootfs-cy_a_e9h,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>[ 0.000053] last_pfn = 0x17f000 max_arch_pfn = 0x400000000 <6>[ 0.001306] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT <6>[ 0.006690] last_pfn = 0x7a998 max_arch_pfn = 0x400000000 <6>[ 0.024215] check: Scanning 1 areas for low memory corruption <6>[ 0.024228] Using GB pages for direct mapping <6>[ 0.024967] RAMDISK: [mem 0x375fe000-0x37ffffff] <6>[ 0.024974] ACPI: Early table checksum verification disabled <6>[ 0.024981] ACPI: RSDP 0x00000000000F0000 000024 (v02 CORE ) <6>[ 0.024994] ACPI: XSDT 0x000000007AA9A0E0 00006C (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.025009] ACPI: FACP 0x000000007AA9E970 0000F4 (v04 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.025024] ACPI: DSDT 0x000000007AA9A280 0046E3 (v05 COREv4 COREBOOT 20110725 INTL 20180531) <6>[ 0.025037] ACPI: FACS 0x000000007AA9A240 000040 <6>[ 0.025047] ACPI: FACS 0x000000007AA9A240 000040 <6>[ 0.025058] ACPI: SSDT 0x000000007AA9EA70 000EFA (v02 CORE COREBOOT 0000002A CORE 0000002A) <6>[ 0.025070] ACPI: MCFG 0x000000007AA9F970 00003C (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.025081] ACPI: TPM2 0x000000007AA9F9B0 000040 (v04 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.025092] ACPI: APIC 0x000000007AA9F9F0 00006C (v02 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.025103] ACPI: NHLT 0x000000007AA9FA60 001B1C (v05 GOOGLE RAMMUS 00000000 CORE 00000000) <6>[ 0.025115] ACPI: DMAR 0x000000007AAA1580 000088 (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.025126] ACPI: DBG2 0x000000007AAA3610 000061 (v00 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.025137] ACPI: HPET 0x000000007AAA3680 000038 (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.025149] ACPI: Reserving FACP table memory at [mem 0x7aa9e970-0x7aa9ea63] <6>[ 0.025153] ACPI: Reserving DSDT table memory at [mem 0x7aa9a280-0x7aa9e962] <6>[ 0.025158] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] <6>[ 0.025162] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] <6>[ 0.025166] ACPI: Reserving SSDT table memory at [mem 0x7aa9ea70-0x7aa9f969] <6>[ 0.025171] ACPI: Reserving MCFG table memory at [mem 0x7aa9f970-0x7aa9f9ab] <6>[ 0.025175] ACPI: Reserving TPM2 table memory at [mem 0x7aa9f9b0-0x7aa9f9ef] <6>[ 0.025180] ACPI: Reserving APIC table memory at [mem 0x7aa9f9f0-0x7aa9fa5b] <6>[ 0.025184] ACPI: Reserving NHLT table memory at [mem 0x7aa9fa60-0x7aaa157b] <6>[ 0.025189] ACPI: Reserving DMAR table memory at [mem 0x7aaa1580-0x7aaa1607] <6>[ 0.025193] ACPI: Reserving DBG2 table memory at [mem 0x7aaa3610-0x7aaa3670] <6>[ 0.025197] ACPI: Reserving HPET table memory at [mem 0x7aaa3680-0x7aaa36b7] <6>[ 0.025333] No NUMA configuration found <6>[ 0.025338] Faking a node at [mem 0x0000000000000000-0x000000017effffff] <6>[ 0.025347] NODE_DATA(0) allocated [mem 0x17effc000-0x17effffff] <6>[ 0.025389] Zone ranges: <6>[ 0.025394] DMA [mem 0x0000000000001000-0x0000000000ffffff] <6>[ 0.025401] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] <6>[ 0.025408] Normal [mem 0x0000000100000000-0x000000017effffff] <6>[ 0.025415] Movable zone start for each node <6>[ 0.025419] Early memory node ranges <6>[ 0.025424] node 0: [mem 0x0000000000001000-0x000000000009ffff] <6>[ 0.025428] node 0: [mem 0x0000000000100000-0x000000007a997fff] <6>[ 0.025433] node 0: [mem 0x0000000100000000-0x000000017effffff] <6>[ 0.025439] Initmem setup node 0 [mem 0x0000000000001000-0x000000017effffff] <6>[ 0.025472] On node 0, zone DMA: 1 pages in unavailable ranges <6>[ 0.025513] On node 0, zone DMA: 96 pages in unavailable ranges <6>[ 0.035983] On node 0, zone Normal: 22120 pages in unavailable ranges <6>[ 0.036055] On node 0, zone Normal: 4096 pages in unavailable ranges <6>[ 0.036080] Reserving Intel graphics memory at [mem 0x7c000000-0x7fffffff] <6>[ 0.036436] ACPI: PM-Timer IO Port: 0x1808 <6>[ 0.036491] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-119 <6>[ 0.036504] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) <6>[ 0.036509] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) <6>[ 0.036524] Using ACPI (MADT) for SMP configuration information <6>[ 0.036536] ACPI: HPET id: 0x8086a701 base: 0xfed00000 <6>[ 0.036544] TSC deadline timer available <6>[ 0.036549] smpboot: Allowing 4 CPUs, 0 hotplug CPUs <6>[ 0.036577] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] <6>[ 0.036582] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000fffff] <6>[ 0.036588] PM: hibernation: Registered nosave memory: [mem 0x7a998000-0x7affffff] <6>[ 0.036592] PM: hibernation: Registered nosave memory: [mem 0x7b000000-0x7fffffff] <6>[ 0.036596] PM: hibernation: Registered nosave memory: [mem 0x80000000-0xdfffffff] <6>[ 0.036600] PM: hibernation: Registered nosave memory: [mem 0xe0000000-0xe3ffffff] <6>[ 0.036604] PM: hibernation: Registered nosave memory: [mem 0xe4000000-0xfdffffff] <6>[ 0.036609] PM: hibernation: Registered nosave memory: [mem 0xfe000000-0xfe00ffff] <6>[ 0.036613] PM: hibernation: Registered nosave memory: [mem 0xfe010000-0xfed0ffff] <6>[ 0.036617] PM: hibernation: Registered nosave memory: [mem 0xfed10000-0xfed19fff] <6>[ 0.036621] PM: hibernation: Registered nosave memory: [mem 0xfed1a000-0xfed7ffff] <6>[ 0.036625] PM: hibernation: Registered nosave memory: [mem 0xfed80000-0xfed84fff] <6>[ 0.036629] PM: hibernation: Registered nosave memory: [mem 0xfed85000-0xfed8ffff] <6>[ 0.036633] PM: hibernation: Registered nosave memory: [mem 0xfed90000-0xfed91fff] <6>[ 0.036637] PM: hibernation: Registered nosave memory: [mem 0xfed92000-0xffffffff] <6>[ 0.036645] [mem 0x80000000-0xdfffffff] available for PCI devices <6>[ 0.036653] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns <6>[ 0.052798] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:4 nr_node_ids:1 <6>[ 0.053069] percpu: Embedded 59 pages/cpu s200848 r8192 d32624 u524288 <6>[ 0.053144] Built 1 zonelists, mobility grouping on. Total pages: 1006266 <6>[ 0.053149] Policy zone: Normal <5>[ 0.053162] 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/12264581/extract-nfsrootfs-cy_a_e9h,tcp,hard ip=dhcp tftpserverip=192.168.201.1 <6>[ 0.053748] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) <6>[ 0.053988] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear) <6>[ 0.054075] mem auto-init: stack:off, heap alloc:off, heap free:off <6>[ 0.075043] Memory: 3876304K/4089052K available (22546K kernel code, 3713K rwdata, 10976K rodata, 2172K init, 13948K bss, 212488K reserved, 0K cma-reserved) <6>[ 0.075184] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 <6>[ 0.075241] Kernel/User page tables isolation: enabled <6>[ 0.075355] ftrace: allocating 61881 entries in 242 pages <6>[ 0.141033] ftrace: allocated 242 pages with 5 groups <6>[ 0.141321] Running RCU self tests <6>[ 0.141337] rcu: Hierarchical RCU implementation. <6>[ 0.141342] rcu: RCU event tracing is enabled. <6>[ 0.141347] rcu: RCU lockdep checking is enabled. <6>[ 0.141352] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=4. <6>[ 0.141357] Rude variant of Tasks RCU enabled. <6>[ 0.141361] Tracing variant of Tasks RCU enabled. <6>[ 0.141367] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies. <6>[ 0.141372] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 <6>[ 0.150906] NR_IRQS: 4352, nr_irqs: 1024, preallocated irqs: 16 <5>[ 0.151373] random: crng init done <6>[ 0.151476] Console: colour dummy device 80x25 <6>[ 0.224904] printk: console [ttyS0] enabled <4>[ 0.225293] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar <4>[ 0.225977] ... MAX_LOCKDEP_SUBCLASSES: 8 <4>[ 0.226359] ... MAX_LOCK_DEPTH: 48 <4>[ 0.226749] ... MAX_LOCKDEP_KEYS: 8192 <4>[ 0.227152] ... CLASSHASH_SIZE: 4096 <4>[ 0.227555] ... MAX_LOCKDEP_ENTRIES: 32768 <4>[ 0.227965] ... MAX_LOCKDEP_CHAINS: 65536 <4>[ 0.228374] ... CHAINHASH_SIZE: 32768 <4>[ 0.228784] memory used by lock dependency info: 6365 kB <4>[ 0.229274] memory used for stack traces: 4224 kB <4>[ 0.229713] per task-struct memory footprint: 1920 bytes <6>[ 0.230259] ACPI: Core revision 20200925 <6>[ 0.230834] hpet: HPET dysfunctional in PC10. Force disabled. <6>[ 0.231353] APIC: Switch to symmetric I/O mode setup <6>[ 0.235860] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x170fff30cc4, max_idle_ns: 440795237869 ns <6>[ 0.236802] Calibrating delay loop (skipped), value calculated using timer frequency.. 3199.92 BogoMIPS (lpj=1599960) <6>[ 0.237784] mce: CPU0: Thermal monitoring enabled (TM1) <6>[ 0.237784] process: using mwait in idle threads <6>[ 0.237784] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8 <6>[ 0.237784] Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4 <6>[ 0.237784] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization <6>[ 0.237784] Spectre V2 : Mitigation: IBRS <6>[ 0.237784] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch <6>[ 0.237784] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB on VMEXIT <6>[ 0.237784] RETBleed: Mitigation: IBRS <6>[ 0.237784] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier <6>[ 0.237784] Spectre V2 : User space: Mitigation: STIBP via seccomp and prctl <6>[ 0.237784] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl and seccomp <6>[ 0.237784] MDS: Vulnerable: Clear CPU buffers attempted, no microcode <6>[ 0.237784] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode <6>[ 0.237784] SRBDS: Vulnerable: No microcode <6>[ 0.237784] GDS: Vulnerable: No microcode <6>[ 0.237784] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' <6>[ 0.237784] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' <6>[ 0.237784] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers' <6>[ 0.237784] x86/fpu: Supporting XSAVE feature 0x008: 'MPX bounds registers' <6>[ 0.237784] x86/fpu: Supporting XSAVE feature 0x010: 'MPX CSR' <6>[ 0.237784] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 <6>[ 0.237784] x86/fpu: xstate_offset[3]: 832, xstate_sizes[3]: 64 <6>[ 0.237784] x86/fpu: xstate_offset[4]: 896, xstate_sizes[4]: 64 <6>[ 0.237784] x86/fpu: Enabled xstate features 0x1f, context size is 960 bytes, using 'compacted' format. <4>[ 0.237784] ------------[ cut here ]------------ <4>[ 0.237784] missing return thunk: lkdtm_rodata_do_nothing+0x0/0x10-lkdtm_rodata_do_nothing+0x5/0x10: e9 00 00 00 00 <4>[ 0.237784] WARNING: CPU: 0 PID: 0 at arch/x86/kernel/alternative.c:725 apply_returns+0x1f5/0x220 <4>[ 0.237784] Modules linked in: <4>[ 0.237784] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.10.204-cip41 #1 <4>[ 0.237784] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 0.237784] RIP: 0010:apply_returns+0x1f5/0x220 <4>[ 0.237784] Code: 67 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 10 f4 e7 89 c6 05 40 15 67 02 01 e8 25 0c 16 01 <0f> 0b e9 b9 fe ff ff 44 89 f9 c7 00 cc cc cc cc c7 44 08 fc cc cc <4>[ 0.237784] RSP: 0000:ffffffff8a203e28 EFLAGS: 00010282 <4>[ 0.237784] RAX: 0000000000000000 RBX: ffffffff8ae2e244 RCX: 0000000000000000 <4>[ 0.237784] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff87f77c31 <4>[ 0.237784] RBP: ffffffff89af8940 R08: 0000000000000001 R09: 0000000000000001 <4>[ 0.237784] R10: ffffffff8a28ff20 R11: 3fffffffffffffff R12: ffffffff8ae47598 <4>[ 0.237784] R13: cccccccccccccccc R14: ffffffff89af8945 R15: 0000000000000004 <4>[ 0.237784] FS: 0000000000000000(0000) GS:ffff9023bac00000(0000) knlGS:0000000000000000 <4>[ 0.237784] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 0.237784] CR2: ffff902374001000 CR3: 0000000132626001 CR4: 00000000003706f0 <4>[ 0.237784] Call Trace: <4>[ 0.237784] ? __warn+0x80/0x110 <4>[ 0.237784] ? apply_returns+0x1f5/0x220 <4>[ 0.237784] ? report_bug+0x9e/0xc0 <4>[ 0.237784] ? handle_bug+0x41/0x90 <4>[ 0.237784] ? exc_invalid_op+0x14/0x70 <4>[ 0.237784] ? asm_exc_invalid_op+0x12/0x20 <4>[ 0.237784] ? console_unlock+0x4d1/0x5f0 <4>[ 0.237784] ? apply_returns+0x1f5/0x220 <4>[ 0.237784] ? apply_returns+0x1f5/0x220 <4>[ 0.237784] alternative_instructions+0x7d/0x143 <4>[ 0.237784] arch_cpu_finalize_init+0x28/0x47 <4>[ 0.237784] start_kernel+0x4a3/0x54d <4>[ 0.237784] secondary_startup_64_no_verify+0xc2/0xcb <4>[ 0.237784] irq event stamp: 200429 <4>[ 0.237784] hardirqs last enabled at (200437): [] console_unlock+0x4d1/0x5f0 <4>[ 0.237784] hardirqs last disabled at (200444): [] console_unlock+0x444/0x5f0 <4>[ 0.237784] softirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 0.237784] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 0.237784] ---[ end trace 74b841559c2f92fa ]--- <6>[ 0.237784] Freeing SMP alternatives memory: 48K <6>[ 0.237784] pid_max: default: 32768 minimum: 301 <6>[ 0.237784] LSM: Security Framework initializing <6>[ 0.237784] SELinux: Initializing. <6>[ 0.237784] LSM support for eBPF active <6>[ 0.237784] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) <6>[ 0.237784] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) <6>[ 0.237784] smpboot: CPU0: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz (family: 0x6, model: 0x8e, stepping: 0x9) <6>[ 0.238404] Performance Events: PEBS fmt3+, Skylake events, 32-deep LBR, full-width counters, Intel PMU driver. <6>[ 0.238799] ... version: 4 <6>[ 0.239176] ... bit width: 48 <6>[ 0.239557] ... generic registers: 4 <6>[ 0.239789] ... value mask: 0000ffffffffffff <6>[ 0.240274] ... max period: 00007fffffffffff <6>[ 0.240757] ... fixed-purpose events: 3 <6>[ 0.240789] ... event mask: 000000070000000f <6>[ 0.241789] rcu: Hierarchical SRCU implementation. <6>[ 0.244185] smp: Bringing up secondary CPUs ... <6>[ 0.245369] x86: Booting SMP configuration: <6>[ 0.245784] .... node #0, CPUs: #1 <4>[ 0.246895] 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>[ 0.247801] 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>[ 0.249434] #2 #3 <6>[ 0.251850] smp: Brought up 1 node, 4 CPUs <6>[ 0.252444] smpboot: Max logical packages: 1 <6>[ 0.252793] smpboot: Total of 4 processors activated (12799.68 BogoMIPS) <6>[ 0.255189] devtmpfs: initialized <6>[ 0.256159] x86/mm: Memory block size: 128MB <6>[ 0.260427] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns <6>[ 0.260659] futex hash table entries: 1024 (order: 5, 131072 bytes, linear) <6>[ 0.262336] pinctrl core: initialized pinctrl subsystem <6>[ 0.263791] PM: RTC time: 00:27:47, date: 2023-12-14 <6>[ 0.264898] NET: Registered protocol family 16 <6>[ 0.266145] audit: initializing netlink subsys (disabled) <5>[ 0.266830] audit: type=2000 audit(1702513667.030:1): state=initialized audit_enabled=0 res=1 <6>[ 0.268171] thermal_sys: Registered thermal governor 'step_wise' <6>[ 0.268177] thermal_sys: Registered thermal governor 'user_space' <6>[ 0.268832] cpuidle: using governor menu <6>[ 0.270036] ACPI: bus type PCI registered <6>[ 0.270833] PCI: MMCONFIG for domain 0000 [bus 00-3f] at [mem 0xe0000000-0xe3ffffff] (base 0xe0000000) <6>[ 0.271654] PCI: MMCONFIG at [mem 0xe0000000-0xe3ffffff] reserved in E820 <6>[ 0.271825] PCI: Using configuration type 1 for base access <6>[ 0.308543] Kprobes globally optimized <6>[ 0.308944] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages <6>[ 0.309803] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages <6>[ 0.310593] cryptomgr_test (38) used greatest stack depth: 14880 bytes left <6>[ 0.313192] ACPI: Added _OSI(Module Device) <6>[ 0.313587] ACPI: Added _OSI(Processor Device) <6>[ 0.313799] ACPI: Added _OSI(3.0 _SCP Extensions) <6>[ 0.314236] ACPI: Added _OSI(Processor Aggregator Device) <6>[ 0.314729] ACPI: Added _OSI(Linux-Dell-Video) <6>[ 0.315796] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) <6>[ 0.316284] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) <6>[ 0.328895] ACPI: 2 ACPI AML tables successfully acquired and loaded <6>[ 0.337166] ACPI: EC: EC started <6>[ 0.337502] ACPI: EC: interrupt blocked <6>[ 0.338528] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 <6>[ 0.338794] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC used to handle transactions <6>[ 0.339451] ACPI: Interpreter enabled <6>[ 0.339859] ACPI: (supports S0 S3 S4 S5) <6>[ 0.340231] ACPI: Using IOAPIC for interrupt routing <6>[ 0.340763] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug <6>[ 0.358627] ACPI: Power Resource [PRIC] (on) <6>[ 0.484916] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) <6>[ 0.485484] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] <6>[ 0.487089] acpi PNP0A08:00: _OSC: OS now controls [PME PCIeCapability LTR] <6>[ 0.487784] acpi PNP0A08:00: [Firmware Info]: MMCONFIG for domain 0000 [bus 00-3f] only partially covers this bridge <6>[ 0.489340] PCI host bridge to bus 0000:00 <6>[ 0.489731] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] <6>[ 0.489792] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] <6>[ 0.490402] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] <6>[ 0.490791] pci_bus 0000:00: root bus resource [mem 0x000c0000-0x000c3fff window] <6>[ 0.491457] pci_bus 0000:00: root bus resource [mem 0x000c4000-0x000c7fff window] <6>[ 0.492792] pci_bus 0000:00: root bus resource [mem 0x000c8000-0x000cbfff window] <6>[ 0.493457] pci_bus 0000:00: root bus resource [mem 0x000cc000-0x000cffff window] <6>[ 0.493790] pci_bus 0000:00: root bus resource [mem 0x000d0000-0x000d3fff window] <6>[ 0.494456] pci_bus 0000:00: root bus resource [mem 0x000d4000-0x000d7fff window] <6>[ 0.494790] pci_bus 0000:00: root bus resource [mem 0x000d8000-0x000dbfff window] <6>[ 0.495455] pci_bus 0000:00: root bus resource [mem 0x000dc000-0x000dffff window] <6>[ 0.496791] pci_bus 0000:00: root bus resource [mem 0x000e0000-0x000e3fff window] <6>[ 0.497456] pci_bus 0000:00: root bus resource [mem 0x000e4000-0x000e7fff window] <6>[ 0.497791] pci_bus 0000:00: root bus resource [mem 0x000e8000-0x000ebfff window] <6>[ 0.498457] pci_bus 0000:00: root bus resource [mem 0x000ec000-0x000effff window] <6>[ 0.498790] pci_bus 0000:00: root bus resource [mem 0x000f0000-0x000fffff window] <6>[ 0.499455] pci_bus 0000:00: root bus resource [mem 0x80000001-0xdfffffff window] <6>[ 0.500791] pci_bus 0000:00: root bus resource [mem 0x800000000-0xbffffffff window] <6>[ 0.501472] pci_bus 0000:00: root bus resource [mem 0xfd000000-0xfe7fffff window] <6>[ 0.501790] pci_bus 0000:00: root bus resource [mem 0xfed40000-0xfed44fff window] <6>[ 0.502458] pci_bus 0000:00: root bus resource [bus 00-ff] <6>[ 0.502892] pci 0000:00:00.0: [8086:590c] type 00 class 0x060000 <6>[ 0.504514] pci 0000:00:02.0: [8086:591c] type 00 class 0x030000 <6>[ 0.504814] pci 0000:00:02.0: reg 0x10: [mem 0xd0000000-0xd0ffffff 64bit] <6>[ 0.505436] pci 0000:00:02.0: reg 0x18: [mem 0xc0000000-0xcfffffff 64bit pref] <6>[ 0.506800] pci 0000:00:02.0: reg 0x20: [io 0x1c00-0x1c3f] <6>[ 0.507963] pci 0000:00:04.0: [8086:1903] type 00 class 0x118000 <6>[ 0.508530] pci 0000:00:04.0: reg 0x10: [mem 0xd1120000-0xd1127fff 64bit] <6>[ 0.509558] pci 0000:00:08.0: [8086:1911] type 00 class 0x088000 <6>[ 0.509816] pci 0000:00:08.0: reg 0x10: [mem 0xd1130000-0xd1130fff 64bit] <6>[ 0.511100] pci 0000:00:14.0: [8086:9d2f] type 00 class 0x0c0330 <6>[ 0.511673] pci 0000:00:14.0: reg 0x10: [mem 0xd1100000-0xd110ffff 64bit] <6>[ 0.512942] pci 0000:00:14.0: PME# supported from D3hot D3cold <6>[ 0.514251] pci 0000:00:14.2: [8086:9d31] type 00 class 0x118000 <6>[ 0.514829] pci 0000:00:14.2: reg 0x10: [mem 0xd1131000-0xd1131fff 64bit] <6>[ 0.516131] pci 0000:00:15.0: [8086:9d60] type 00 class 0x118000 <6>[ 0.516715] pci 0000:00:15.0: reg 0x10: [mem 0xd1132000-0xd1132fff 64bit] <6>[ 0.517646] pci 0000:00:15.1: [8086:9d61] type 00 class 0x118000 <6>[ 0.518838] pci 0000:00:15.1: reg 0x10: [mem 0xd1133000-0xd1133fff 64bit] <6>[ 0.520306] pci 0000:00:19.0: [8086:9d66] type 00 class 0x118000 <6>[ 0.520836] pci 0000:00:19.0: reg 0x10: [mem 0xfe034000-0xfe034fff 64bit] <6>[ 0.521468] pci 0000:00:19.0: reg 0x18: [mem 0xd1135000-0xd1135fff 64bit] <6>[ 0.522592] pci 0000:00:19.1: [8086:9d65] type 00 class 0x118000 <6>[ 0.522836] pci 0000:00:19.1: reg 0x10: [mem 0xd1136000-0xd1136fff 64bit] <6>[ 0.524296] pci 0000:00:1c.0: [8086:9d10] type 01 class 0x060400 <6>[ 0.525993] pci 0000:00:1c.0: PME# supported from D0 D3hot D3cold <6>[ 0.527300] pci 0000:00:1e.0: [8086:9d27] type 00 class 0x118000 <6>[ 0.527835] pci 0000:00:1e.0: reg 0x10: [mem 0xd1137000-0xd1137fff 64bit] <6>[ 0.529271] pci 0000:00:1e.2: [8086:9d29] type 00 class 0x118000 <6>[ 0.529834] pci 0000:00:1e.2: reg 0x10: [mem 0xd1138000-0xd1138fff 64bit] <6>[ 0.531277] pci 0000:00:1e.4: [8086:9d2b] type 00 class 0x080501 <6>[ 0.531828] pci 0000:00:1e.4: reg 0x10: [mem 0xd1139000-0xd1139fff 64bit] <6>[ 0.533349] pci 0000:00:1e.6: [8086:9d2d] type 00 class 0x080501 <6>[ 0.533830] pci 0000:00:1e.6: reg 0x10: [mem 0xd113a000-0xd113afff 64bit] <6>[ 0.535225] pci 0000:00:1f.0: [8086:9d4b] type 00 class 0x060100 <6>[ 0.536553] pci 0000:00:1f.2: [8086:9d21] type 00 class 0x058000 <6>[ 0.536822] pci 0000:00:1f.2: reg 0x10: [mem 0xd1128000-0xd112bfff] <6>[ 0.538167] pci 0000:00:1f.3: [8086:9d71] type 00 class 0x040100 <6>[ 0.538747] pci 0000:00:1f.3: reg 0x10: [mem 0xd112c000-0xd112ffff 64bit] <6>[ 0.539851] pci 0000:00:1f.3: reg 0x20: [mem 0xd1110000-0xd111ffff 64bit] <6>[ 0.540562] pci 0000:00:1f.3: PME# supported from D3hot D3cold <6>[ 0.541554] pci 0000:00:1f.4: [8086:9d23] type 00 class 0x0c0500 <6>[ 0.541858] pci 0000:00:1f.4: reg 0x10: [mem 0xd113c000-0xd113c0ff 64bit] <6>[ 0.542538] pci 0000:00:1f.4: reg 0x20: [io 0xefa0-0xefbf] <6>[ 0.543522] pci 0000:00:1f.5: [8086:9d24] type 00 class 0x000000 <6>[ 0.544824] pci 0000:00:1f.5: reg 0x10: [mem 0xfe010000-0xfe010fff] <6>[ 0.546761] pci 0000:01:00.0: [8086:095a] type 00 class 0x028000 <6>[ 0.547131] pci 0000:01:00.0: reg 0x10: [mem 0xd1000000-0xd1001fff 64bit] <6>[ 0.548946] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold <6>[ 0.551517] pci 0000:00:1c.0: PCI bridge to [bus 01] <6>[ 0.552808] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] <6>[ 0.554768] ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.555724] ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 *10 12 14 15) <6>[ 0.556063] ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.556983] ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.557905] ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.558828] ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.559746] ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.561061] ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.567584] ACPI: EC: interrupt unblocked <6>[ 0.567789] ACPI: EC: event unblocked <6>[ 0.568149] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 <6>[ 0.568619] ACPI: EC: GPE=0x6e <6>[ 0.568793] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC initialization complete <6>[ 0.569425] ACPI: \_SB_.PCI0.LPCB.EC0_: EC: Used to handle transactions and events <6>[ 0.570842] iommu: Default domain type: Translated <6>[ 0.571980] pci 0000:00:02.0: vgaarb: setting as boot VGA device <6>[ 0.572418] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none <6>[ 0.572821] pci 0000:00:02.0: vgaarb: bridge control possible <6>[ 0.573343] vgaarb: loaded <5>[ 0.574202] SCSI subsystem initialized <6>[ 0.574920] ACPI: bus type USB registered <6>[ 0.575427] usbcore: registered new interface driver usbfs <6>[ 0.575849] usbcore: registered new interface driver hub <6>[ 0.576371] usbcore: registered new device driver usb <6>[ 0.576909] mc: Linux media interface: v0.10 <6>[ 0.577339] videodev: Linux video capture interface: v2.00 <6>[ 0.577826] pps_core: LinuxPPS API ver. 1 registered <6>[ 0.578282] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <6>[ 0.579801] PTP clock support registered <6>[ 0.580232] Advanced Linux Sound Architecture Driver Initialized. <6>[ 0.581797] NetLabel: Initializing <6>[ 0.582126] NetLabel: domain hash size = 128 <6>[ 0.582531] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO <6>[ 0.582868] NetLabel: unlabeled traffic allowed by default <6>[ 0.583930] PCI: Using ACPI for IRQ routing <6>[ 0.592572] clocksource: Switched to clocksource tsc-early <5>[ 1.002805] VFS: Disk quotas dquot_6.6.0 <6>[ 1.003228] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) <6>[ 1.004274] pnp: PnP ACPI init <6>[ 1.005381] system 00:00: [mem 0xfed10000-0xfed17fff] has been reserved <6>[ 1.005998] system 00:00: [mem 0xfed18000-0xfed18fff] has been reserved <6>[ 1.006605] system 00:00: [mem 0xfed19000-0xfed19fff] has been reserved <6>[ 1.007202] system 00:00: [mem 0xe0000000-0xe3ffffff] has been reserved <6>[ 1.007807] system 00:00: [mem 0xfed20000-0xfed3ffff] has been reserved <6>[ 1.008405] system 00:00: [mem 0xfed90000-0xfed93fff] could not be reserved <6>[ 1.009041] system 00:00: [mem 0xfed45000-0xfed8ffff] could not be reserved <6>[ 1.009675] system 00:00: [mem 0xff000000-0xffffffff] has been reserved <6>[ 1.010271] system 00:00: [mem 0xfee00000-0xfeefffff] has been reserved <6>[ 1.010877] system 00:00: [mem 0xfed00000-0xfed003ff] has been reserved <6>[ 1.012364] system 00:01: [io 0x1800-0x18fe] has been reserved <6>[ 1.013288] system 00:03: [io 0x0900-0x09fe] has been reserved <6>[ 1.014084] system 00:04: [io 0x0200] has been reserved <6>[ 1.014587] system 00:04: [io 0x0204] has been reserved <6>[ 1.015076] system 00:04: [io 0x0800-0x087f] has been reserved <6>[ 1.015623] system 00:04: [io 0x0880-0x08ff] has been reserved <6>[ 1.018522] pnp: PnP ACPI: found 6 devices <6>[ 1.032894] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns <6>[ 1.033809] NET: Registered protocol family 2 <6>[ 1.034382] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear) <6>[ 1.036771] tcp_listen_portaddr_hash hash table entries: 2048 (order: 5, 163840 bytes, linear) <6>[ 1.037783] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear) <6>[ 1.038711] TCP bind hash table entries: 32768 (order: 9, 2359296 bytes, linear) <6>[ 1.041464] TCP: Hash tables configured (established 32768 bind 32768) <6>[ 1.042380] MPTCP token hash table entries: 4096 (order: 6, 360448 bytes, linear) <6>[ 1.043365] UDP hash table entries: 2048 (order: 6, 327680 bytes, linear) <6>[ 1.044272] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes, linear) <6>[ 1.045343] NET: Registered protocol family 1 <6>[ 1.046433] RPC: Registered named UNIX socket transport module. <6>[ 1.047018] RPC: Registered udp transport module. <6>[ 1.047465] RPC: Registered tcp transport module. <6>[ 1.047901] RPC: Registered tcp NFSv4.1 backchannel transport module. <6>[ 1.049088] NET: Registered protocol family 44 <6>[ 1.049543] pci 0000:00:1c.0: PCI bridge to [bus 01] <6>[ 1.050016] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] <6>[ 1.050655] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] <6>[ 1.051212] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] <6>[ 1.051845] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] <6>[ 1.052473] pci_bus 0000:00: resource 7 [mem 0x000c0000-0x000c3fff window] <6>[ 1.053089] pci_bus 0000:00: resource 8 [mem 0x000c4000-0x000c7fff window] <6>[ 1.053711] pci_bus 0000:00: resource 9 [mem 0x000c8000-0x000cbfff window] <6>[ 1.054327] pci_bus 0000:00: resource 10 [mem 0x000cc000-0x000cffff window] <6>[ 1.054958] pci_bus 0000:00: resource 11 [mem 0x000d0000-0x000d3fff window] <6>[ 1.055589] pci_bus 0000:00: resource 12 [mem 0x000d4000-0x000d7fff window] <6>[ 1.056212] pci_bus 0000:00: resource 13 [mem 0x000d8000-0x000dbfff window] <6>[ 1.056842] pci_bus 0000:00: resource 14 [mem 0x000dc000-0x000dffff window] <6>[ 1.057511] pci_bus 0000:00: resource 15 [mem 0x000e0000-0x000e3fff window] <6>[ 1.058133] pci_bus 0000:00: resource 16 [mem 0x000e4000-0x000e7fff window] <6>[ 1.058764] pci_bus 0000:00: resource 17 [mem 0x000e8000-0x000ebfff window] <6>[ 1.059386] pci_bus 0000:00: resource 18 [mem 0x000ec000-0x000effff window] <6>[ 1.060016] pci_bus 0000:00: resource 19 [mem 0x000f0000-0x000fffff window] <6>[ 1.060647] pci_bus 0000:00: resource 20 [mem 0x80000001-0xdfffffff window] <6>[ 1.061270] pci_bus 0000:00: resource 21 [mem 0x800000000-0xbffffffff window] <6>[ 1.061914] pci_bus 0000:00: resource 22 [mem 0xfd000000-0xfe7fffff window] <6>[ 1.062545] pci_bus 0000:00: resource 23 [mem 0xfed40000-0xfed44fff window] <6>[ 1.063169] pci_bus 0000:01: resource 1 [mem 0xd1000000-0xd10fffff] <6>[ 1.064194] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] <6>[ 1.066899] PCI: CLS 64 bytes, default 64 <6>[ 1.067685] Unpacking initramfs... <6>[ 1.482279] Freeing initrd memory: 10248K <6>[ 1.482758] DMAR: Host address width 39 <6>[ 1.483156] DMAR: DRHD base: 0x000000fed90000 flags: 0x0 <6>[ 1.483731] DMAR: dmar0: reg_base_addr fed90000 ver 1:0 cap 1c0000c40660462 ecap 19e2ff0505e <6>[ 1.484489] DMAR: RMRR base: 0x0000007b800000 end: 0x0000007fffffff <6>[ 1.485057] DMAR: DRHD base: 0x000000fed91000 flags: 0x1 <6>[ 1.485568] DMAR: dmar1: reg_base_addr fed91000 ver 1:0 cap d2008c40660462 ecap f050da <6>[ 1.486368] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) <6>[ 1.486963] software IO TLB: mapped [mem 0x0000000076998000-0x000000007a998000] (64MB) <6>[ 1.487910] RAPL PMU: API unit is 2^-32 Joules, 5 fixed counters, 655360 ms ovfl timer <6>[ 1.488638] RAPL PMU: hw unit of domain pp0-core 2^-14 Joules <6>[ 1.489160] RAPL PMU: hw unit of domain package 2^-14 Joules <6>[ 1.489734] RAPL PMU: hw unit of domain dram 2^-14 Joules <6>[ 1.490227] RAPL PMU: hw unit of domain pp1-gpu 2^-14 Joules <6>[ 1.490749] RAPL PMU: hw unit of domain psys 2^-14 Joules <3>[ 1.493020] kvm: already loaded the other module <6>[ 1.516601] check: Scanning for low memory corruption every 60 seconds <5>[ 1.520276] Initialise system trusted keyrings <6>[ 1.520947] workingset: timestamp_bits=56 max_order=20 bucket_order=0 <5>[ 1.540633] NFS: Registering the id_resolver key type <5>[ 1.541143] Key type id_resolver registered <5>[ 1.541577] Key type id_legacy registered <5>[ 1.562552] Key type asymmetric registered <5>[ 1.562967] Asymmetric key parser 'x509' registered <6>[ 1.563487] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 248) <6>[ 1.564166] io scheduler mq-deadline registered <6>[ 1.564604] io scheduler kyber registered <4>[ 1.565201] test_firmware: interface ready <6>[ 1.567107] pcieport 0000:00:1c.0: PME: Signaling with IRQ 120 <6>[ 1.568948] ACPI: AC Adapter [AC] (on-line) <6>[ 1.569733] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/PNP0C0D:00/input/input0 <6>[ 1.571523] ACPI: Lid Switch [LID0] <6>[ 1.572112] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input1 <6>[ 1.573019] ACPI: Power Button [PWRF] <6>[ 1.573713] ACPI: \_PR_.CP00: Found 3 idle states <6>[ 1.574964] ACPI: \_PR_.CP01: Found 3 idle states <6>[ 1.576004] ACPI: \_PR_.CP02: Found 3 idle states <6>[ 1.577014] ACPI: \_PR_.CP03: Found 3 idle states <6>[ 1.578565] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled <4>[ 1.582650] hpet_acpi_add: no address or irqs in _CRS <6>[ 1.583204] battery: ACPI: Battery Slot [BAT0] (battery present) <6>[ 1.583372] Non-volatile memory driver v1.3 <6>[ 1.584334] Linux agpgart interface v0.103 <6>[ 1.585083] ACPI: bus type drm_connector registered <6>[ 1.585708] [drm] amdgpu kernel modesetting enabled. <6>[ 1.588831] i915 0000:00:02.0: vgaarb: deactivate vga console <6>[ 1.642297] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem <6>[ 1.644228] i915 0000:00:02.0: [drm] Finished loading DMC firmware i915/kbl_dmc_ver1_04.bin (v1.4) <6>[ 1.678639] [drm] Initialized i915 1.6.0 20200917 for 0000:00:02.0 on minor 0 <6>[ 1.682420] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 1 <6>[ 1.698569] loop: module loaded <6>[ 1.699703] lkdtm: No crash points registered, enable through debugfs <6>[ 1.724566] printk: console [ttyS0] disabled <6>[ 1.725276] dw-apb-uart.2: ttyS0 at MMIO 0xfe034000 (irq = 32, base_baud = 115200) is a 16550A <6>[ 2.573685] tsc: Refined TSC clocksource calibration: 1608.000 MHz <6>[ 2.579836] printk: console [ttyS0] enabled <6>[ 2.587143] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x172daa3a18b, max_idle_ns: 440795212390 ns <6>[ 2.615800] dw-apb-uart.4: ttyS1 at MMIO 0xd1137000 (irq = 20, base_baud = 115200) is a 16550A <6>[ 5.359117] fbcon: i915drmfb (fb0) is primary device <6>[ 5.360676] clocksource: Switched to clocksource tsc <4>[ 5.361214] pxa2xx-spi pxa2xx-spi.5: no DMA channels available, using PIO <6>[ 5.369498] e100: Intel(R) PRO/100 Network Driver <6>[ 5.369502] e100: Copyright(c) 1999-2006 Intel Corporation <6>[ 5.369565] e1000: Intel(R) PRO/1000 Network Driver <6>[ 5.369568] e1000: Copyright (c) 1999-2006 Intel Corporation. <6>[ 5.369651] e1000e: Intel(R) PRO/1000 Network Driver <6>[ 5.369653] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. <6>[ 5.369740] igb: Intel(R) Gigabit Ethernet Network Driver <6>[ 5.369742] igb: Copyright (c) 2007-2014 Intel Corporation. <6>[ 5.369804] sky2: driver version 1.30 <6>[ 5.370120] usbcore: registered new interface driver r8152 <6>[ 5.370759] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver <6>[ 5.370782] ehci-pci: EHCI PCI platform driver <6>[ 5.370858] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver <6>[ 5.370876] ohci-pci: OHCI PCI platform driver <6>[ 5.370969] uhci_hcd: USB Universal Host Controller Interface driver <6>[ 5.371405] tpm_tis_spi spi-PRP0001:00: TPM ready IRQ confirmed on attempt 2 <6>[ 5.372809] xhci_hcd 0000:00:14.0: xHCI Host Controller <6>[ 5.374295] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 1 <6>[ 5.375874] xhci_hcd 0000:00:14.0: hcc params 0x200077c1 hci version 0x100 quirks 0x0000000081109810 <6>[ 5.375935] xhci_hcd 0000:00:14.0: cache line size of 64 is not supported <6>[ 5.378671] xhci_hcd 0000:00:14.0: xHCI Host Controller <6>[ 5.379242] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 2 <6>[ 5.379255] xhci_hcd 0000:00:14.0: Host supports USB 3.0 SuperSpeed <6>[ 5.379993] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10 <6>[ 5.380049] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 <6>[ 5.380053] usb usb1: Product: xHCI Host Controller <6>[ 5.380057] usb usb1: Manufacturer: Linux 5.10.204-cip41 xhci-hcd <6>[ 5.380060] usb usb1: SerialNumber: 0000:00:14.0 <6>[ 5.382288] hub 1-0:1.0: USB hub found <6>[ 5.382516] hub 1-0:1.0: 12 ports detected <6>[ 5.386996] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.10 <6>[ 5.387001] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 <6>[ 5.387005] usb usb2: Product: xHCI Host Controller <6>[ 5.387008] usb usb2: Manufacturer: Linux 5.10.204-cip41 xhci-hcd <6>[ 5.387012] usb usb2: SerialNumber: 0000:00:14.0 <6>[ 5.388009] hub 2-0:1.0: USB hub found <6>[ 5.388062] hub 2-0:1.0: 6 ports detected <6>[ 5.390791] usbcore: registered new interface driver usblp <6>[ 5.390881] usbcore: registered new interface driver usb-storage <6>[ 5.391696] udc-core: couldn't find an available UDC - added [g_ether] to list of pending drivers <6>[ 5.391917] i8042: PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1 <4>[ 5.391919] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp <4>[ 5.392817] i8042: Warning: Keylock active <6>[ 5.393215] serio: i8042 KBD port at 0x60,0x64 irq 1 <6>[ 5.396286] rtc_cmos 00:02: RTC can wake from S4 <6>[ 5.396686] tpm_tis_spi spi-PRP0001:00: 2.0 TPM (device-id 0x28, rev-id 0) <6>[ 5.398860] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input2 <6>[ 5.398956] Console: switching to colour frame buffer device 240x67 <6>[ 5.400943] rtc_cmos 00:02: registered as rtc0 <6>[ 5.401324] rtc_cmos 00:02: alarms up to one month, 242 bytes nvram <6>[ 5.402749] i801_smbus 0000:00:1f.4: SPD Write Disable is set <6>[ 5.402834] i801_smbus 0000:00:1f.4: SMBus using PCI interrupt <6>[ 5.404307] i2c i2c-9: 2/2 memory slots populated (from DMI) <6>[ 5.407543] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com <6>[ 5.407604] intel_pstate: Intel P-state driver initializing <6>[ 5.408630] intel_pstate: HWP enabled <6>[ 5.408670] sdhci: Secure Digital Host Controller Interface driver <6>[ 5.408671] sdhci: Copyright(c) Pierre Ossman <6>[ 5.408704] sdhci-pci 0000:00:1e.4: SDHCI controller found [8086:9d2b] (rev 21) <6>[ 5.409709] mmc0: SDHCI controller on PCI [0000:00:1e.4] using ADMA 64-bit <6>[ 5.409903] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 5.411303] hid: raw HID events driver (C) Jiri Kosina <6>[ 5.411733] usbcore: registered new interface driver usbhid <6>[ 5.417314] i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device <6>[ 5.423163] usbhid: USB HID core driver <6>[ 5.628484] usb 1-3: new full-speed USB device number 2 using xhci_hcd <6>[ 5.629918] input: Tablet Mode Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/GOOG0006:00/input/input3 <6>[ 5.761749] usb 1-3: New USB device found, idVendor=8087, idProduct=0a2a, bcdDevice= 0.03 <6>[ 5.769519] cros_ec_lpcs GOOG0004:00: Chrome EC device registered <6>[ 5.770159] usb 1-3: New USB device strings: Mfr=0, Product=0, SerialNumber=0 <6>[ 5.777996] snd_hda_intel 0000:00:1f.3: DSP detected with PCI class/subclass/prog-if info 0x040100 <6>[ 5.825364] tpm_tis_spi spi-PRP0001:00: Cr50 firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_B:0.5.5/cr50_v1.9308_87_mp.479-d7 <6>[ 5.826211] ipip: IPv4 and MPLS over IPv4 tunneling driver <6>[ 5.858808] mmc0: new HS400 MMC card at address 0001 <6>[ 5.861887] IPv4 over IPsec tunneling driver <6>[ 5.868667] mmcblk0: mmc0:0001 DA4064 58.2 GiB <6>[ 5.875896] usb 2-3: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd <6>[ 5.876723] Initializing XFRM netlink socket <6>[ 5.877113] NET: Registered protocol family 10 <6>[ 5.877908] Segment Routing with IPv6 <6>[ 5.878573] NET: Registered protocol family 17 <6>[ 5.878710] 8021q: 802.1Q VLAN Support v1.8 <5>[ 5.878745] Key type dns_resolver registered <6>[ 6.010481] snd_hda_intel 0000:00:1f.3: bound 0000:00:02.0 (ops i915_audio_component_bind_ops) <6>[ 6.011300] mmcblk0boot0: mmc0:0001 DA4064 partition 1 4.00 MiB <6>[ 6.011455] microcode: sig=0x806e9, pf=0x10, revision=0x98 <6>[ 6.027984] mmcblk0boot1: mmc0:0001 DA4064 partition 2 4.00 MiB <6>[ 6.041250] microcode: Microcode Update Driver: v2.2. <6>[ 6.041258] IPI shorthand broadcast: enabled <6>[ 6.041366] mmcblk0rpmb: mmc0:0001 DA4064 partition 3 16.0 MiB, chardev (245:0) <6>[ 6.047277] sched_clock: Marking stable (5961747902, 85451769)->(6161264988, -114065317) <3>[ 6.048957] snd_hda_intel 0000:00:1f.3: Cannot probe codecs, giving up <6>[ 6.068581] mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12 <6>[ 6.084557] registered taskstats version 1 <6>[ 6.084836] usb 2-3: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=31.00 <5>[ 6.092504] Loading compiled-in X.509 certificates <6>[ 6.098887] usb 2-3: New USB device strings: Mfr=1, Product=2, SerialNumber=6 <6>[ 6.098890] usb 2-3: Product: USB 10/100/1000 LAN <6>[ 6.098892] usb 2-3: Manufacturer: Realtek <6>[ 6.106278] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 6.112816] usb 2-3: SerialNumber: 001000001 <6>[ 6.138842] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 6.148509] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 6.157973] PM: Magic number: 3:13:456 <6>[ 6.162737] mem urandom: hash matches <6>[ 6.167347] printk: console [netcon0] enabled <6>[ 6.172516] netconsole: network logging started <6>[ 6.198626] usb 1-9: new high-speed USB device number 3 using xhci_hcd <6>[ 6.368777] usb 1-9: New USB device found, idVendor=13d3, idProduct=56d4, bcdDevice=18.07 <6>[ 6.378258] usb 1-9: New USB device strings: Mfr=3, Product=1, SerialNumber=2 <6>[ 6.386546] usb 1-9: Product: USB2.0 HD UVC WebCam <6>[ 6.392210] usb 1-9: Manufacturer: Azurewave <6>[ 6.397297] usb 1-9: SerialNumber: 0x0001 <6>[ 6.409970] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 6.454977] usb 2-3: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd <6>[ 6.512929] r8152 2-3:1.0: load rtl8153b-2 v2 04/27/23 successfully <6>[ 6.553351] r8152 2-3:1.0 eth0: v1.11.11 <6>[ 6.558652] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 8.228688] r8152 2-3:1.0 eth0: carrier on <6>[ 8.234546] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready <5>[ 8.246603] Sending DHCP requests .., OK <6>[ 10.571389] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.18 <6>[ 10.580651] IP-Config: Complete: <6>[ 10.584576] device=eth0, hwaddr=00:e0:4c:68:0a:98, ipaddr=192.168.201.18, mask=255.255.255.0, gw=192.168.201.1 <6>[ 10.596547] host=asus-c433ta-aj0005-rammus-cbg-2, domain=lava-rack, nis-domain=(none) <6>[ 10.606087] bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath= <6>[ 10.606089] nameserver0=192.168.201.1 <5>[ 10.619489] cfg80211: Loading compiled-in X.509 certificates for regulatory database <6>[ 10.631168] modprobe (101) used greatest stack depth: 14208 bytes left <5>[ 10.634074] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' <4>[ 10.646640] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 <6>[ 10.647585] ALSA device list: <6>[ 10.656626] cfg80211: failed to load regulatory.db <6>[ 10.660223] No soundcards found. <4>[ 10.670304] dw-apb-uart dw-apb-uart.2: forbid DMA for kernel console <6>[ 10.680188] Freeing unused kernel image (initmem) memory: 2172K <6>[ 10.694741] Write protecting the kernel read-only data: 36864k <6>[ 10.702506] Freeing unused kernel image (text/rodata gap) memory: 2028K <6>[ 10.710657] Freeing unused kernel image (rodata/data gap) memory: 1312K <6>[ 10.718435] Run /init as init process Loading, please wait... <6>[ 10.732399] cat (119) used greatest stack depth: 13944 bytes left Starting version 247.3-7+deb11u2 <6>[ 10.740080] systemd-udevd (123) used greatest stack depth: 13592 bytes left <6>[ 10.911788] chromeos ramoops using acpi device. <6>[ 10.913023] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <4>[ 10.928912] cros-usbpd-notify-acpi GOOG0003:00: Couldn't get Chrome EC device pointer. <6>[ 10.935488] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 10.957221] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <4>[ 10.966826] i2c_hid i2c-PNP0C50:00: supply vdd not found, using dummy regulator <4>[ 10.976897] i2c_hid i2c-PNP0C50:00: supply vddl not found, using dummy regulator <6>[ 10.991568] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 11.016168] Registered efivars operations <6>[ 11.020980] gsmi version 1.0 loaded <6>[ 11.025277] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 11.164679] 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>[ 11.183416] hid-generic 0018:0457:157E.0001: input,hidraw0: I2C HID v1.00 Device [PNP0C50:00 0457:157E] on i2c-PNP0C50:00 <6>[ 11.196483] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 11.210133] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 11.229895] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 11.238419] uvcvideo: Found UVC 1.00 device USB2.0 HD UVC WebCam (13d3:56d4) <6>[ 11.250412] 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 <6>[ 11.251101] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 11.264146] usbcore: registered new interface driver uvcvideo <6>[ 11.272972] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 11.277725] USB Video Class driver (1.1.1) <6>[ 11.293600] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 11.304612] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <4>[ 11.316888] da7219 i2c-DLGS7219:00: Using default DAI clk names: da7219-dai-wclk, da7219-dai-bclk <6>[ 11.323125] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 11.336895] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 11.350303] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) Begin: Loading essential drivers ... done. Begin: Running /scripts/init-premount ... done. Begin: Mounting root file system ... Begin: Running /scripts/nfs-top ... done. Begin: Running /scripts/nfs-premount ... 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:68:0a:98 mtu 1500 DHCP IP-Config: eth0 complete (dhcp from 192.168.201.1): address: 192.168.201.18 broadcast: 192.168.201.255 netmask: 255.255.255<6>[ 11.420877] ipconfig (169) used greatest stack depth: 13464 bytes left .0 gateway: 192.168.201.1 dns0 : 192.168.201.1 dns1 : 0.0.0.0 host : asus-c433ta-aj0005-rammus-cbg-2 domain : lava-rack rootserver: 192.168.201.1 rootpath: filename : <6>[ 11.550458] nfsmount (170) used greatest stack depth: 12544 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>[ 12.842436] systemd[1]: systemd 247.3-7+deb11u2 running in system mode. (+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 +ZSTD +SECCOMP +BLKID +ELFUTILS +KMOD +IDN2 -IDN +PCRE2 default-hierarchy=unified) <30>[ 12.880717] systemd[1]: Detected architecture x86-64. Welcome to Debian GNU/Linux 11 (bullseye)! <30>[ 12.916270] systemd[1]: Set hostname to . <30>[ 13.644674] systemd[1]: Queued start job for default target Graphical Interface. <30>[ 13.656898] systemd[1]: Created slice system-getty.slice. [ OK ] Created slice system-getty.slice. <30>[ 13.673096] systemd[1]: Created slice system-modprobe.slice. [ OK ] Created slice system-modprobe.slice. <30>[ 13.690080] systemd[1]: Created slice system-serial\x2dgetty.slice. [ OK ] Created slice system-serial\x2dgetty.slice. <30>[ 13.707044] systemd[1]: Created slice User and Session Slice. [ OK ] Created slice User and Session Slice. <30>[ 13.723982] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [ OK ] Started Dispatch Password …ts to Console Directory Watch. <30>[ 13.745882] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [ OK ] Started Forward Password R…uests to Wall Directory Watch. <30>[ 13.767615] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point. [ OK ] Set up automount Arbitrary…s File System Automount Point. <30>[ 13.790834] systemd[1]: Reached target Local Encrypted Volumes. [ OK ] Reached target Local Encrypted Volumes. <30>[ 13.807841] systemd[1]: Reached target Paths. [ OK ] Reached target Paths. <30>[ 13.821799] systemd[1]: Reached target Remote File Systems. [ OK ] Reached target Remote File Systems. <30>[ 13.837802] systemd[1]: Reached target Slices. [ OK ] Reached target Slices. <30>[ 13.851804] systemd[1]: Reached target Swap. [ OK ] Reached target Swap. <30>[ 13.863026] systemd[1]: Listening on initctl Compatibility Named Pipe. [ OK ] Listening on initctl Compatibility Named Pipe. <30>[ 13.880828] systemd[1]: Listening on Journal Audit Socket. [ OK ] Listening on Journal Audit Socket. <30>[ 13.897708] systemd[1]: Listening on Journal Socket (/dev/log). [ OK ] Listening on Journal Socket (/dev/log). <30>[ 13.914129] systemd[1]: Listening on Journal Socket. [ OK ] Listening on Journal Socket. <30>[ 13.929752] systemd[1]: Listening on Network Service Netlink Socket. [ OK ] Listening on Network Service Netlink Socket. <30>[ 13.949779] systemd[1]: Listening on udev Control Socket. [ OK ] Listening on udev Control Socket. <30>[ 13.966132] systemd[1]: Listening on udev Kernel Socket. [ OK ] Listening on udev Kernel Socket. <30>[ 13.983446] systemd[1]: Mounting Huge Pages File System... Mounting Huge Pages File System... <30>[ 14.000019] systemd[1]: Mounting POSIX Message Queue File System... Mounting POSIX Message Queue File System... <30>[ 14.018443] systemd[1]: Mounting Kernel Debug File System... Mounting Kernel Debug File System... <30>[ 14.035270] systemd[1]: Mounting Kernel Trace File System... Mounting Kernel Trace File System... <30>[ 14.062611] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting Create list of st…odes for the current kernel... <30>[ 14.082866] systemd[1]: Starting Load Kernel Module configfs... Starting Load Kernel Module configfs... <30>[ 14.100007] systemd[1]: Starting Load Kernel Module drm... Starting Load Kernel Module drm... <30>[ 14.114091] systemd[1]: Starting Load Kernel Module fuse... Starting Load Kernel Module fuse... <30>[ 14.133878] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. <30>[ 14.148020] systemd[1]: Starting Journal Service... Starting Journal Service... <6>[ 14.160695] fuse: init (API version 7.32) <30>[ 14.164146] systemd[1]: Starting Load Kernel Modules... Starting Load Kernel Modules... <30>[ 14.178863] systemd[1]: Starting Remount Root and Kernel File Systems... Starting Remount Root and Kernel File Systems... <30>[ 14.197024] systemd[1]: Starting Coldplug All udev Devices... Starting Coldplug All udev Devices... <30>[ 14.213343] systemd[1]: Mounted Huge Pages File System. [ OK ] Mounted Huge Pages File System. <30>[ 14.228776] systemd[1]: Mounted POSIX Message Queue File System. [ OK ] Mounted POSIX Message Queue File System. <30>[ 14.244821] systemd[1]: Mounted Kernel Debug File System. [ OK ] Mounted Kernel Debug File System. <30>[ 14.260772] systemd[1]: Mounted Kernel Trace File System. [ OK ] Mounted Kernel Trace File System. <30>[ 14.277682] 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>[ 14.298278] systemd[1]: modprobe@configfs.service: Succeeded. <30>[ 14.305646] systemd[1]: Finished Load Kernel Module configfs. [ OK ] Finished Load Kernel Module configfs. <30>[ 14.322448] systemd[1]: modprobe@drm.service: Succeeded. <30>[ 14.329447] systemd[1]: Finished Load Kernel Module drm. [ OK ] Finished Load Kernel Module drm. <30>[ 14.345428] systemd[1]: modprobe@fuse.service: Succeeded. <30>[ 14.352547] systemd[1]: Finished Load Kernel Module fuse. [ OK ] Finished Load Kernel Module fuse. <30>[ 14.368276] systemd[1]: Finished Load Kernel Modules. [ OK ] Finished Load Kernel Modules. <30>[ 14.383161] systemd[1]: Finished Remount Root and Kernel File Systems. [ OK ] Finished Remount Root and Kernel File Systems. <30>[ 14.402669] systemd[1]: Mounting FUSE Control File System... Mounting FUSE Control File System... <30>[ 14.417988] systemd[1]: Mounting Kernel Configuration File System... Mounting Kernel Configuration File System... <30>[ 14.438815] systemd[1]: Condition check resulted in Rebuild Hardware Database being skipped. <30>[ 14.448852] systemd[1]: Condition check resulted in Platform Persistent Storage Archival being skipped. <30>[ 14.461117] systemd[1]: Starting Load/Save Random Seed... Starting Load/Save Random Seed... <30>[ 14.474834] systemd[1]: Starting Apply Kernel Variables... Starting Apply Kernel Variables... <30>[ 14.489383] systemd[1]: Starting Create System Users... Starting Create System Users... <30>[ 14.503523] systemd[1]: Started Journal Service. [ OK ] Started Journal Service. [ OK ] Mounted FUSE Control File System. [ OK ] Mounted Kernel Configuration File System. [ OK ] Finished Load/Save Random Seed. [ OK ] Finished Apply Kernel Variables. Starting Flush Journal to Persistent Storage... <46>[ 14.594288] systemd-journald[206]: Received client request to flush runtime journal. [ OK ] Finished Create System Users. [ OK ] Finished Coldplug All udev Devices. Starting Create Static Device Nodes in /dev... [ OK ] Finished Flush Journal to Persistent Storage. <6>[ 16.062954] systemd-tmpfile (217) used greatest stack depth: 12384 bytes left [ OK ] Finished Create Static Device Nodes in /dev. [ OK ] Reached target Local File Systems (Pre). [ OK ] Reached target Local File Systems. Starting Create Volatile Files and Directories... Starting Rule-based Manage…for Device Events and Files... [ OK ] Started Rule-based Manager for Device Events and Files. Starting Network Service... [ OK ] Finished Create Volatile Files and Directories. Starting Network Time Synchronization... Starting Update UTMP about System Boot/Shutdown... [ OK ] Found device Sunrise Point-LP Serial IO UART Controller. [ OK ] Finished Update UTMP about System Boot/Shutdown. [ OK ] Created slice system-systemd\x2dbacklight.slice. [ OK ] Listening on Load/Save RF …itch Status /dev/rfkill Watch. Starting Load/Save Screen …f backlight:intel_backlight... Starting Load/Save Screen …eds:chromeos::kbd_backlight... [ OK ] Started Network Service. Starting Network Name Resolution... [ OK ] Finished Load/Save Screen … of backlight:intel_backlight. [ OK ] Finished Load/Save Screen … leds:chromeos::kbd_backlight. [ OK ] Started Network Time Synchronization. [ OK ] Reached target System Initialization. [ OK ] Started Daily Cleanup of Temporary Directories. [ OK ] Reached target System Time Set. [ OK ] Reached target System Time Synchronized. [ OK ] Started Daily apt download activities. [ OK ] Started Daily apt upgrade and clean activities. [ OK ] Started Periodic ext4 Onli…ata Check for All Filesystems. [ OK ] Started Discard unused blocks once a week. [ OK ] Reached target Timers. [ OK ] Listening on D-Bus System Message Bus Socket. [ OK ] Reached target Sockets. [ OK ] Reached target Basic System. [ OK ] Started D-Bus System Message Bus. Starting Remove Stale Onli…t4 Metadata Check Snapshots... Starting User Login Management... [ OK ] Finished Remove Stale Onli…ext4 Metadata Check Snapshots. [ OK ] Started User Login Management. [ OK ] Started Network Name Resolution. [ OK ] Reached target Network. [ OK ] Reached target Host and Network Name Lookups. Starting Permit User Sessions... [ OK ] Finished Permit User Sessions. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttyS0. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Finished Update UTMP about System Runlevel Changes. Debian GNU/Linux 11 debian-bullseye-amd64 ttyS0 debian-bullseye-amd64 login: root (automatic login) Linux debian-bullseye-amd64 5.10.204-cip41 #1 SMP Thu Dec 14 00:09:38 UTC 2023 x86_64 The programs included with the Debian GNU/Linux system are free software; the exact distribution terms for each program are described in the individual files in /usr/share/doc/*/copyright. Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent permitted by applicable law. / # / # export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/12264581/extract-nfsrootfs-cy_a_e9h' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/12264581/extract-nfsrootfs-cy_a_e9h' / # 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-12264581/environment . /lava-12264581/environment / # /lava-12264581/bin/lava-test-runner /lava-12264581/0 /lava-12264581/bin/lava-test-runner /lava-12264581/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-12264581/0/tests/0_timesync-off ++ cat uuid + UUID=12264581_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-12264581/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=12264581_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/v5.10.201-cip41-473-gc43d7b7bbe83a/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 --2023-12-14 00:28:08-- http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.201-cip41-473-gc43d7b7bbe83a/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: 3378312 (3.2M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 1%[ ] 49.22K 192KB/s kselftest.tar.xz 6%[> ] 218.91K 425KB/s kselftest.tar.xz 27%[====> ] 897.66K 1.13MB/s kselftest.tar.xz 41%[=======> ] 1.34M 1.23MB/s kselftest.tar.xz 100%[===================>] 3.22M 2.73MB/s in 1.2s 2023-12-14 00:28:10 (2.73 MB/s) - 'kselftest.tar.xz' saved [3378312/3378312] 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>[ 33.097197] 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>[ 33.665981] lkdtm: Performing direct entry BUG <4>[ 33.671339] ------------[ cut here ]------------ <2>[ 33.676810] kernel BUG at drivers/misc/lkdtm/bugs.c:76! <4>[ 33.682964] invalid opcode: 0000 [#1] SMP PTI <4>[ 33.688125] CPU: 3 PID: 641 Comm: cat Tainted: G W 5.10.204-cip41 #1 <4>[ 33.696960] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 33.704057] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 33.708731] Code: 89 ff e8 be d5 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 b0 7f 0b 03 <4>[ 33.729994] RSP: 0018:ffffa86a8134fe60 EFLAGS: 00010282 <4>[ 33.736120] RAX: ffffffff8897bd40 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 33.744370] RDX: 0000000000000000 RSI: ffff9023bad9bf50 RDI: ffffffff89af84b0 <4>[ 33.752629] RBP: ffffffff89fe8c28 R08: 0000000000000001 R09: 0000000000000001 <4>[ 33.760890] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 33.769150] R13: ffffa86a8134ff10 R14: ffffa86a8134ff10 R15: ffff902343e7b000 <4>[ 33.777401] FS: 00007f1156506580(0000) GS:ffff9023bad80000(0000) knlGS:0000000000000000 <4>[ 33.786731] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 33.793437] CR2: 00007f1156310000 CR3: 000000010599a002 CR4: 00000000003706e0 <4>[ 33.801698] Call Trace: <4>[ 33.804708] ? __die_body.cold+0x1a/0x1f <4>[ 33.809385] ? die+0x2b/0x50 <4>[ 33.812888] ? do_trap+0x91/0x110 <4>[ 33.816878] ? lkdtm_BUG+0x5/0x10 <4>[ 33.820869] ? do_error_trap+0x90/0x110 <4>[ 33.825440] ? lkdtm_BUG+0x5/0x10 <4>[ 33.829420] ? lkdtm_BUG+0x5/0x10 <4>[ 33.833410] ? exc_invalid_op+0x4e/0x70 <4>[ 33.837986] ? lkdtm_BUG+0x5/0x10 <4>[ 33.841976] ? asm_exc_invalid_op+0x12/0x20 <4>[ 33.846936] ? direct_entry+0xe0/0xe0 <4>[ 33.851314] ? lkdtm_BUG+0x5/0x10 <4>[ 33.855304] direct_entry.cold+0x2c/0x38 <4>[ 33.859975] full_proxy_write+0x53/0x80 <4>[ 33.864553] vfs_write+0xe7/0x3b0 <4>[ 33.868542] ksys_write+0x68/0xf0 <4>[ 33.872540] do_syscall_64+0x30/0x40 <4>[ 33.876821] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 33.882753] RIP: 0033:0x7f115641c473 <4>[ 33.887034] 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>[ 33.908309] RSP: 002b:00007fffbba4b618 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 33.917055] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f115641c473 <4>[ 33.925315] RDX: 0000000000000004 RSI: 00007f1156310000 RDI: 0000000000000001 <4>[ 33.933575] RBP: 00007f1156310000 R08: 00007f115630f010 R09: 0000000000000000 <4>[ 33.941835] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 33.950096] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 33.958352] 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_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table <0>[ 34.013031] gsmi: Log Shutdown Reason 0x03 <4>[ 34.017912] ---[ end trace 74b841559c2f92fc ]--- <4>[ 34.023370] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 34.028047] Code: 89 ff e8 be d5 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 b0 7f 0b 03 <4>[ 34.049327] RSP: 0018:ffffa86a8134fe60 EFLAGS: 00010282 <4>[ 34.055462] RAX: ffffffff8897bd40 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 34.063731] RDX: 0000000000000000 RSI: ffff9023bad9bf50 RDI: ffffffff89af84b0 <4>[ 34.072003] RBP: ffffffff89fe8c28 R08: 0000000000000001 R09: 0000000000000001 <4>[ 34.080274] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 34.088546] R13: ffffa86a8134ff10 R14: ffffa86a8134ff10 R15: ffff902343e7b000 <4>[ 34.096816] FS: 00007f1156506580(0000) GS:ffff9023bad80000(0000) knlGS:0000000000000000 <4>[ 34.106164] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 34.112886] CR2: 00007f1156310000 CR3: 000000010599a002 CR4: 00000000003706e0 # Segmentation fault # [ 33.665981] lkdtm: Performing direct entry BUG # [ 33.671339] ------------[ cut here ]------------ # [ 33.676810] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 33.682964] invalid opcode: 0000 [#1] SMP PTI # [ 33.688125] CPU: 3 PID: 641 Comm: cat Tainted: G W 5.10.204-cip41 #1 # [ 33.696960] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 33.704057] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 33.708731] Code: 89 ff e8 be d5 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 b0 7f 0b 03 # [ 33.729994] RSP: 0018:ffffa86a8134fe60 EFLAGS: 00010282 # [ 33.736120] RAX: ffffffff8897bd40 RBX: 0000000000000001 RCX: 0000000000000000 # [ 33.744370] RDX: 0000000000000000 RSI: ffff9023bad9bf50 RDI: ffffffff89af84b0 # [ 33.752629] RBP: ffffffff89fe8c28 R08: 0000000000000001 R09: <6>[ 34.229449] lkdtm: Performing direct entry WARNING <4>[ 34.240264] ------------[ cut here ]------------ <4>[ 34.245727] WARNING: CPU: 2 PID: 679 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 0000000000000001 # [ 33.760890] R10: 00000000ffffe000 R11: 3f<4>[ 34.255458] 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_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 34.314451] CPU: 2 PID: 679 Comm: cat Tainted: G D W 5.10.204-cip41 #1 ffffffffffffff R12: 0000000000000004 # [ 33.769150] R13: ffff<4>[ 34.323326] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 a86a8134ff10 R14: ffffa86a8134ff10 R15: ffff902343e7b000 # [ <4>[ 34.336642] RIP: 0010:lkdtm_WARNING+0x13/0x20 <4>[ 34.348013] 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 b0 7f 0b 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 91 7f <4>[ 34.369323] RSP: 0018:ffffa86a813efe60 EFLAGS: 00010202 <4>[ 34.375493] RAX: ffffffff8897bd50 RBX: 0000000000000002 RCX: 0000000000000000 <4>[ 34.383763] RDX: 0000000000000000 RSI: ffff9023bad1bf50 RDI: ffffffff89af84c0 <4>[ 34.392061] RBP: ffffffff89f8289f R08: 0000000000000000 R09: 0000000000000000 <4>[ 34.400348] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 <4>[ 34.408612] R13: ffffa86a813eff10 R14: ffffa86a813eff10 R15: ffff9023458eb000 <4>[ 34.416877] FS: 00007f400b143580(0000) GS:ffff9023bad00000(0000) knlGS:0000000000000000 <4>[ 34.426210] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 34.432919] CR2: 00007f400af4d000 CR3: 000000010295c003 CR4: 00000000003706e0 <4>[ 34.441183] Call Trace: <4>[ 34.444224] ? __warn+0x80/0x110 33.777401] FS: 00007f1156506580(0000) GS:ffff9023bad80000(0000)<4>[ 34.448128] ? lkdtm_WARNING+0x13/0x20 <4>[ 34.458818] ? report_bug+0x9e/0xc0 <4>[ 34.463031] ? handle_bug+0x41/0x90 <4>[ 34.467246] ? exc_invalid_op+0x14/0x70 <4>[ 34.471822] ? asm_exc_invalid_op+0x12/0x20 <4>[ 34.476787] ? lkdtm_BUG+0x10/0x10 <4>[ 34.480899] ? lkdtm_WARNING+0x13/0x20 <4>[ 34.485402] direct_entry.cold+0x2c/0x38 <4>[ 34.490100] full_proxy_write+0x53/0x80 <4>[ 34.494707] vfs_write+0xe7/0x3b0 <4>[ 34.498721] ksys_write+0x68/0xf0 <4>[ 34.502715] do_syscall_64+0x30/0x40 <4>[ 34.507022] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 34.512955] RIP: 0033:0x7f400b059473 <4>[ 34.517262] 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>[ 34.538540] RSP: 002b:00007ffc3fe875d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 34.547291] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f400b059473 <4>[ 34.555555] RDX: 0000000000000008 RSI: 00007f400af4d000 RDI: 0000000000000001 <4>[ 34.563819] RBP: 00007f400af4d000 R08: 00007f400af4c010 R09: 0000000000000000 <4>[ 34.572082] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 34.580345] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 34.588630] irq event stamp: 0 knlGS:0000000000000000 # [ 33.786731] CS: 0010 DS: 0000 ES:<4>[ 34.592338] hardirqs last enabled at (0): [<0000000000000000>] 0x0 0000 CR0: 0000000080050033 # [ 33.793437] CR2: 00007f1156310<4>[ 34.605841] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 34.621493] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 000 CR3: 000000010599a002 CR4: 00000000003706e0 # [ 33.801698<4>[ 34.630930] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 34.644432] ---[ end trace 74b841559c2f92fd ]--- ] Call Trace: # [ 33.804708] ? __die_body.cold+0x1a/0x1f # [ 33.809385] ? die+0x2b/0x50 # [ 33.812888] ? do_trap+0x91/0x110 # [ 33.816878] ? lkdtm_BUG+0x5/0x10 # [ 33.820869] ? do_error_trap+0x90/0x110 # [ 33.825440] ? lkdtm_BUG+0x5/0x10 # [ 33.829420] ? lkdtm_BUG+0x5/0x10 # [ 33.833410] ? exc_invalid_op+0x4e/0x70 # [ 33.837986] ? lkdtm_BUG+0x5/0x10 # [ 33.841976] ? asm_exc_invalid_op+0x12/0x20 # [ 33.846936] ? direct_entry+0xe0/0xe0 # [ 33.851314] ? lkdtm_BUG+0x5/0x10 # [ 33.855304] direct_entry.cold+0x2c/0x38 # [ 33.859975] full_proxy_write+0x53/0x80 # [ 33.864553] vfs_write+0xe7/0x3b0 # [ 33.868542] ksys_write+0x68/0xf0 # [ 33.872540] do_syscall_64+0x30/0x40 # [ 33.876821] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 33.882753] RIP: 0033:0x7f115641c473 # [ 33.887034] 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<6>[ 34.741101] lkdtm: Performing direct entry WARNING_MESSAGE c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1<4>[ 34.749570] ------------[ cut here ]------------ f 40 00 48 83 ec 28 48 89 54 24 18 # [ 33.908309] RSP: 002b:0<4>[ 34.761234] Warning message trigger count: 2 0007fffbba4b618 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [<4>[ 34.772539] WARNING: CPU: 1 PID: 715 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 33.917055] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0<4>[ 34.789224] 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_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table 0007f115641c473 # [ 33.925315] RDX: 0000000000000004 RSI: 000<4>[ 34.848187] CPU: 1 PID: 715 Comm: cat Tainted: G D W 5.10.204-cip41 #1 07f1156310000 RDI: 0000000000000001 # [ 33.933575] RBP: 00007<4>[ 34.863248] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 f1156310000 R08: 00007f115630f010 R09: 0000000000000000 # [ 3<4>[ 34.876566] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 3.941835] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 00000<4>[ 34.888733] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 91 7f 0b 03 48 c7 c7 00 2e f8 89 8d 70 01 89 35 81 7f 0b 03 e8 5a b9 69 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 00000000001 # [ 33.950096] R13: 0000000000000001 R14: 0000000<4>[ 34.916235] RSP: 0018:ffffa86a81487e60 EFLAGS: 00010286 <4>[ 34.928576] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 000020000 R15: 0000000000020000 # [ 33.958352] Modules linked<4>[ 34.936865] RDX: ffff9023bacac620 RSI: ffff9023bac9bf50 RDI: ffff9023bac9bf50 in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_se<4>[ 34.951320] RBP: ffffffff89f828a7 R08: 0000000000000000 R09: 0000000000000000 <4>[ 34.965798] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 nsors_core industrialio_triggered_buffer kfifo_buf industrialio <4>[ 34.974063] R13: ffffa86a81487f10 R14: ffffa86a81487f10 R15: ffff902343b64000 <4>[ 34.988539] FS: 00007f0a4ddb9580(0000) GS:ffff9023bac80000(0000) knlGS:0000000000000000 snd_soc_da7219 cros_ec_sysfs cros_ec_lightbar cros_ec_chardev uv<4>[ 34.997873] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 35.010794] CR2: 00007f0a4dbc3000 CR3: 00000001045a8003 CR4: 00000000003706e0 cvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_<4>[ 35.019061] Call Trace: ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core sn<4>[ 35.028312] ? __warn+0x80/0x110 <4>[ 35.038402] ? lkdtm_WARNING_MESSAGE+0x20/0x30 d_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev <4>[ 35.043659] ? report_bug+0x9e/0xc0 snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd<4>[ 35.054053] ? handle_bug+0x41/0x90 _notify cros_kbd_led_backlight chromeos_pstore coreboot_table #<4>[ 35.064456] ? exc_invalid_op+0x14/0x70 <4>[ 35.075245] ? asm_exc_invalid_op+0x12/0x20 [ 34.013031] gsmi: Log Shutdown Reason 0x03 # [ 34.017912]<4>[ 35.080214] ? lkdtm_WARNING_MESSAGE+0x20/0x30 ---[ end trace 74b841559c2f92fc ]--- # [ 34.023370] RIP: 001<4>[ 35.091675] direct_entry.cold+0x2c/0x38 0:lkdtm_BUG+0x5/0x10 # [ 34.028047] Code: 89 ff e8 be d5 79 f<4>[ 35.102565] full_proxy_write+0x53/0x80 f 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc<4>[ 35.113355] vfs_write+0xe7/0x3b0 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 0<4>[ 35.123562] ksys_write+0x68/0xf0 0 00 00 00 00 0f 1f 44 00 00 83 05 b0 7f 0b 03 # [ 34.049327]<4>[ 35.133770] do_syscall_64+0x30/0x40 <4>[ 35.144269] entry_SYSCALL_64_after_hwframe+0x62/0xc7 RSP: 0018:ffffa86a8134fe60 EFLAGS: 00010282 # [ 34.055462] R<4>[ 35.150204] RIP: 0033:0x7f0a4dccf473 AX: ffffffff8897bd40 RBX: 0000000000000001 RCX: 0000000000000000<4>[ 35.160699] 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 # [ 34.063731] RDX: 0000000000000000 RSI: ffff9023bad9bf50 R<4>[ 35.188192] RSP: 002b:00007ffdd7b70fb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 DI: ffffffff89af84b0 # [ 34.072003] RBP: ffffffff89fe8c28 R08<4>[ 35.203159] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f0a4dccf473 : 0000000000000001 R09: 0000000000000001 # [ 34.080274] R10: <4>[ 35.217640] RDX: 0000000000000010 RSI: 00007f0a4dbc3000 RDI: 0000000000000001 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # <4>[ 35.232122] RBP: 00007f0a4dbc3000 R08: 00007f0a4dbc2010 R09: 0000000000000000 [ 34.088546] R13: ffffa86a8134ff10 R14: ffffa86a8134ff10 R15: <4>[ 35.246605] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 ffff902343e7b000 # [ 34.096816] FS: 00007f1156506580(0000) G<4>[ 35.261085] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 S:ffff9023bad80000(0000) knlGS:0000000000000000 # [ 34.106164<4>[ 35.275572] irq event stamp: 0 ] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 34.11<4>[ 35.285483] hardirqs last enabled at (0): [<0000000000000000>] 0x0 2886] CR2: 00007f1156310000 CR3: 000000010599a002 CR4: 000000000<4>[ 35.298993] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 03706e0 # BUG: saw 'kernel BUG at': ok ok 2 selftests: lkdtm: <4>[ 35.314638] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 BUG.sh # selftests: lkdtm: WARNING.sh # [ 34.229449] lkdtm: <4>[ 35.330286] softirqs last disabled at (0): [<0000000000000000>] 0x0 Performing direct entry WARNING # [ 34.240264] ------------[ <4>[ 35.343795] ---[ end trace 74b841559c2f92fe ]--- cut here ]------------ # [ 34.245727] WARNING: CPU: 2 PID: 679 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 # [ 34.255458] 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_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 34.314451] CPU: 2 PID: 679 Comm: cat Tainted: G D W 5.10.204-cip41 #1 # [ 34.323326] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 34.336642] RIP: 0010:lkdtm_WARNING+0x13/0x20 # [ 34.348013] Code: c0 f4 ff ff ff eb c9 0f 1f 44 00 00 0f 0b 66 0f 1f 84 00 0<6>[ 35.448726] lkdtm: Performing direct entry EXCEPTION 0 00 00 00 0f 1f 44 00 00 83 05 b0 7f 0b 03 01 75 05 c3 cc cc cc<1>[ 35.454836] BUG: kernel NULL pointer dereference, address: 0000000000000000 <1>[ 35.469110] #PF: supervisor write access in kernel mode <1>[ 35.475234] #PF: error_code(0x0002) - not-present page <6>[ 35.481260] PGD 0 P4D 0 <4>[ 35.484376] Oops: 0002 [#2] SMP PTI <4>[ 35.488558] CPU: 1 PID: 748 Comm: cat Tainted: G D W 5.10.204-cip41 #1 <4>[ 35.497400] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 35.504498] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 cc <0f> 0b c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 0<4>[ 35.509750] Code: 48 c7 c7 00 2e f8 89 8d 70 01 89 35 81 7f 0b 03 e8 5a b9 69 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>[ 35.537236] RSP: 0018:ffffa86a8150fe60 EFLAGS: 00010286 <4>[ 35.543361] RAX: ffffffff8897bda0 RBX: 0000000000000004 RCX: 0000000000000000 <4>[ 35.551622] RDX: 0000000000000000 RSI: ffff9023bac9bf50 RDI: ffffffff89af84e0 <4>[ 35.559882] RBP: ffffffff89e7650f R08: 0000000000000000 R09: 0000000000000000 <4>[ 35.568143] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a <4>[ 35.576405] R13: ffffa86a8150ff10 R14: ffffa86a8150ff10 R15: ffff902343898000 <4>[ 35.584667] FS: 00007f17f1deb580(0000) GS:ffff9023bac80000(0000) knlGS:0000000000000000 <4>[ 35.593988] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 35.600695] CR2: 0000000000000000 CR3: 0000000106110001 CR4: 00000000003706e0 <4>[ 35.608955] Call Trace: 5 91 7f # [ 34.369323] RSP: 0018:ffffa86a813efe60 EFLAGS: 000<4>[ 35.611978] ? __die_body.cold+0x1a/0x1f 10<202 # [ 34.375493] RAX: ffffffff8897bd50 RBX: 00000000000004>[ 35.622864] ? no_context+0x177/0x380 00<2 RCX: 0000000000000000 # [ 34.383763] RDX: 0000000000000004>[ 35.633461] ? exc_page_fault+0x53/0x170 <4>[ 35.644347] ? asm_exc_page_fault+0x1e/0x30 <4>[ 35.649309] ? lkdtm_WARNING_MESSAGE+0x30/0x30 <4>[ 35.654564] ? lkdtm_EXCEPTION+0x5/0x20 <4>[ 35.659136] direct_entry.cold+0x2c/0x38 <4>[ 35.663797] full_proxy_write+0x53/0x80 0 RSI: ffff9023bad1bf50 RDI: ffffffff89af84c0 # [ 34.392061] <4>[ 35.668371] vfs_write+0xe7/0x3b0 <4>[ 35.678572] ksys_write+0x68/0xf0 <4>[ 35.682561] do_syscall_64+0x30/0x40 <4>[ 35.686843] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 35.692775] RIP: 0033:0x7f17f1d01473 <4>[ 35.697056] 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>[ 35.718322] RSP: 002b:00007ffc1a942de8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 35.727070] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f17f1d01473 <4>[ 35.735331] RDX: 000000000000000a RSI: 00007f17f1bf5000 RDI: 0000000000000001 <4>[ 35.743591] RBP: 00007f17f1bf5000 R08: 00007f17f1bf4010 R09: 0000000000000000 <4>[ 35.751852] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 35.760106] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 RBP: ffffffff89f8289f R08: 0000000000000000 R09: 000000000000000<4>[ 35.768370] 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_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 35.827333] CR2: 0000000000000000 <4>[ 35.831323] ---[ end trace 74b841559c2f92ff ]--- <4>[ 35.836759] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 35.841418] Code: 89 ff e8 be d5 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 b0 7f 0b 03 <4>[ 35.862693] RSP: 0018:ffffa86a8134fe60 EFLAGS: 00010282 <4>[ 35.868817] RAX: ffffffff8897bd40 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 35.877078] RDX: 0000000000000000 RSI: ffff9023bad9bf50 RDI: ffffffff89af84b0 <4>[ 35.885339] RBP: ffffffff89fe8c28 R08: 0000000000000001 R09: 0000000000000001 <4>[ 35.893602] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 35.901863] R13: ffffa86a8134ff10 R14: ffffa86a8134ff10 R15: ffff902343e7b000 <4>[ 35.910125] FS: 00007f17f1deb580(0000) GS:ffff9023bac80000(0000) knlGS:0000000000000000 <4>[ 35.919453] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 35.926154] CR2: 0000000000000000 CR3: 0000000106110001 CR4: 00000000003706e0 <3>[ 35.934414] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 35.944617] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 748, name: cat <4>[ 35.953265] INFO: lockdep is turned off. <4>[ 35.957931] irq event stamp: 0 <4>[ 35.961628] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 35.968918] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 35.978345] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 35.987764] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 35.995053] CPU: 1 PID: 748 Comm: cat Tainted: G D W 5.10.204-cip41 #1 <4>[ 36.003896] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 36.010991] Call Trace: <4>[ 36.014009] dump_stack+0x77/0x9b 0 # [ 34.400348] R10: 00000000ffffe000 R11: 3fffffffffffffff <4>[ 36.018001] ___might_sleep.cold+0xa6/0xb6 <4>[ 36.029076] exit_signals+0x1c/0x300 <4>[ 36.033359] do_exit+0xc2/0xab0 <4>[ 36.037153] ? ksys_write+0x68/0xf0 <4>[ 36.041338] make_task_dead+0x2f/0x30 <4>[ 36.045715] rewind_stack_and_make_dead+0x17/0x20 <4>[ 36.051249] RIP: 0033:0x7f17f1d01473 <4>[ 36.055535] 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 R12: 0000000000000008 # [ 34.408612] R13: ffffa86a813eff10 R1<4>[ 36.076815] RSP: 002b:00007ffc1a942de8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 36.091777] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f17f1d01473 <4>[ 36.100036] RDX: 000000000000000a RSI: 00007f17f1bf5000 RDI: 0000000000000001 <4>[ 36.108296] RBP: 00007f17f1bf5000 R08: 00007f17f1bf4010 R09: 0000000000000000 <4>[ 36.116558] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 36.124817] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 4: ffffa86a813eff10 R15: ffff9023458eb000 # [ 34.416877] FS: 00007f400b143580(0000) GS:ffff9023bad00000(0000) knlGS:0000000000000000 # [ 34.426210] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 34.432919] CR2: 00007f400af4d000 CR3: 000000010295c003 CR4: 00000000003706e0 # [ 34.441183] Call Trace: # [ 34.444224] ? __warn+0x80/0x110 # [ 34.448128] ? lkdtm_WARNING+0x13/0x20 # [ 34.458818] ? report_bug+0x9e/0xc0 # [ 34.463031] ? handle_bug+0x41/0x90 # [ 34.467246] ? exc_invalid_op+0x14/0x70 # [ 34.471822] ? asm_exc_invalid_op+0x12/0x20 # [ 34.476787] ? lkdtm_BUG+0x10/0x10 # [ 34.480899] ? lkdtm_WARNING+0x13/0x20 # [ 34.485402] direct_entry.cold+0x2c/0x38 # [ 34.490100] full_proxy_write+0x53/0x80 # [ 34.494707] vfs_write+0xe7/0x3b0 # [ 34.498721] ksys_write+0x68/0xf0 # [ 34.502715] do_syscall_64+0x30/0x40 # [ 34.507022] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 34.512955] RIP: 0033:0x7f400b059473 # [ 34.517262] 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 # [ 34.538540] RSP: 002b:00007ffc3fe875d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 34.547291] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f400b059473 # [ 34.555555] RDX: 0000000000000008 RSI: 00007f400af4d000 RDI: 0000000000000001 # [ 34.563819] RBP: 00007f400af4d000 R08: 00007f400af4c010 R09: 0000000000000000 # [ 34.572082] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 34.580345] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 34.588630] irq event stamp: 0 # [ 34.592338] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 34.605841] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 34.621493] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 34.630930] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 34.644432] ---[ end trace 74b841559c2f92fd ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ 34.741101] lkdtm: Performing direct entry WARNING_MESSAGE # [ 34.749570] ------------[ cut here ]------------ # [ 34.761234] Warning message trigger count: 2 # [ 34.772539] WARNING: CPU: 1 PID: 715 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 34.789224] 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_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core<6>[ 36.406666] lkdtm: Performing direct entry CORRUPT_LIST_ADD snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_d<6>[ 36.419277] lkdtm: attempting good list addition ev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_us<6>[ 36.430946] lkdtm: attempting corrupted list addition bpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table<3>[ 36.443095] lkdtm: list_add() corruption not detected! # [ 34.848187] CPU: 1 PID: 715 Comm: cat Tainted: G D W 5.10.204-cip41 #1 # [ 34.863248] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 34.876566] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 34.888733] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 91 7f 0b 03 48 c7 c7 00 2e f8 89 8d 70 01 89 35 81 7f 0b 03 e8 5a b9 69 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 # [ 34.916235] RSP: 0018:ffffa86a81487e60 EFLAGS: 00010286 # [ 34.928576] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 # [ 34.936865] RDX: ffff9023bacac620 RSI: ffff9023bac9bf50 RDI: ffff9023bac9bf50 # [ 34.951320] RBP: ffffffff89f828a7 R08: 0000000000000000 R09: 0000000000000000 # [ 34.965798] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 # [ 34.974063] R13: ffffa86a81487f10 R14: ffffa86a81487f10 R15: ffff902343b64000 # [ 34.988539] FS: 00007f0a4ddb9580(0000) GS:ffff9023bac80000(0000) knlGS:0000000000000000 # [ 34.997873] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 35.010794] CR2: 00007f0a4dbc3000 CR3: 00000001045a8003 CR4: 00000000003706e0 # [ 35.019061] Call Trace: # [ 35.028312] ? __warn+0x80/0x110 # [ 35.038402] ? lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 35.043659] ? report_bug+0x9e/0xc0 # [ 35.054053] ? handle_bug+0x41/0x90 # [ 35.064456] ? exc_invalid<6>[ 36.586612] lkdtm: Performing direct entry CORRUPT_LIST_DEL _op+0x14/0x70 # [ 35.075245] ? asm_exc_invalid_op+0x12/0x20 <6>[ 36.598622] lkdtm: attempting good list removal # [ 35.080214] ? lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 35.0<6>[ 36.610194] lkdtm: attempting corrupted list removal 91675] direct_entry.cold+0x2c/0x38 # [ 35.102565] full_prox<3>[ 36.622241] lkdtm: list_del() corruption not detected! y_write+0x53/0x80 # [ 35.113355] vfs_write+0xe7/0x3b0 # [ 35.123562] ksys_write+0x68/0xf0 # [ 35.133770] do_syscall_64+0x30/0x40 # [ 35.144269] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 35.150204] RIP: 0033:0x7f0a4dccf473 # [ 35.160699] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 35.188192] RSP: 002b:00007ffdd7b70fb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 35.203159] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f0a4dccf473 # [ 35.217640] RDX: 0000000000000010 RSI: 00007f0a4dbc3000 RDI: 0000000000000001 # [ 35.232122] RBP: 00007f0a4dbc3000 R08: 00007f0a4dbc2010 R09: 0000000000000000 # [ 35.246605] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 35.261085] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 35.275572] irq event stamp: 0 # [ 35.285483<6>[ 36.730377] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING ] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ <6>[ 36.741192] lkdtm: attempting bad read from page below current stack 35.298993] hardirqs last disabled at (0): [] <0>[ 36.754799] BUG: stack guard page was hit at 00000000375b70d5 (stack is 000000004c71670a..00000000dc43b171) <4>[ 36.772183] kernel stack overflow (page fault): 0000 [#3] SMP PTI <4>[ 36.779281] CPU: 1 PID: 980 Comm: cat Tainted: G D W 5.10.204-cip41 #1 <4>[ 36.788125] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 36.795224] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a copy_process+0x65c/0x20e0 # [ 35.314638] softirqs last enabl<4>[ 36.802032] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 a0 31 f8 89 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 eb de fb ff 48 c7 c7 e0 31 f8 89 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 d1 de fb ff 0f 1f 44 <4>[ 36.829538] RSP: 0018:ffffa86a81827e50 EFLAGS: 00010246 <4>[ 36.835662] RAX: 0000000000000038 RBX: ffffa86a81824000 RCX: 0000000000000000 <4>[ 36.843923] RDX: 0000000000000000 RSI: ffff9023bac9bf50 RDI: ffffffff89f831e0 <4>[ 36.852183] RBP: ffffffff89f8290a R08: 0000000000000000 R09: 0000000000000000 <4>[ 36.860444] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 <4>[ 36.868703] R13: ffffa86a81827f10 R14: ffffa86a81827f10 R15: ffff902345ad7000 <4>[ 36.876966] FS: 00007efeb0d71580(0000) GS:ffff9023bac80000(0000) knlGS:0000000000000000 <4>[ 36.886287] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 36.892994] CR2: ffffa86a81823fff CR3: 0000000104096002 CR4: 00000000003706e0 <4>[ 36.901255] Call Trace: <4>[ 36.904271] <#DF> <4>[ 36.906804] ? __die_body.cold+0x1a/0x1f ed at (0): [] copy_process+0x65c/0x20e0 # [ <4>[ 36.911491] ? die+0x2b/0x50 <4>[ 36.921205] ? handle_stack_overflow+0x3e/0x4d <4>[ 36.926458] ? no_context+0x24d/0x380 <4>[ 36.930833] 35.330286] softirqs last disabled at (0): [<0000000000000000>] <4>[ 36.933478] 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_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 36.992446] ---[ end trace 74b841559c2f9300 ]--- <4>[ 36.997893] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 37.002561] Code: 89 ff e8 be d5 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 b0 7f 0b 03 <4>[ 37.023836] RSP: 0018:ffffa86a8134fe60 EFLAGS: 00010282 <4>[ 37.029959] RAX: ffffffff8897bd40 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 37.038219] RDX: 0000000000000000 RSI: ffff9023bad9bf50 RDI: ffffffff89af84b0 <4>[ 37.046488] RBP: ffffffff89fe8c28 R08: 0000000000000001 R09: 0000000000000001 <4>[ 37.054749] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 37.063010] R13: ffffa86a8134ff10 R14: ffffa86a8134ff10 R15: ffff902343e7b000 <4>[ 37.071271] FS: 00007efeb0d71580(0000) GS:ffff9023bac80000(0000) knlGS:0000000000000000 <4>[ 37.080600] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 37.087307] CR2: ffffa86a81823fff CR3: 0000000104096002 CR4: 00000000003706e0 <3>[ 37.095569] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 37.105764] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 980, name: cat <4>[ 37.114413] INFO: lockdep is turned off. <4>[ 37.119079] irq event stamp: 0 <4>[ 37.122777] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 37.130068] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 37.139495] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 37.148920] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 37.156210] CPU: 1 PID: 980 Comm: cat Tainted: G D W 5.10.204-cip41 #1 <4>[ 37.165053] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 37.172147] Call Trace: <4>[ 37.175165] dump_stack+0x77/0x9b <4>[ 37.179157] ___might_sleep.cold+0xa6/0xb6 <4>[ 37.184020] exit_signals+0x1c/0x300 0x0 # [ 35.343795] ---[ end trace 74b841559c2f92fe ]--- # WA<4>[ 37.188301] do_exit+0xc2/0xab0 <4>[ 37.198310] ? ksys_write+0x68/0xf0 <4>[ 37.202496] make_task_dead+0x2f/0x30 <4>[ 37.206874] rewind_stack_and_make_dead+0x17/0x20 <4>[ 37.212406] RIP: 0033:0x7efeb0c87473 <4>[ 37.216686] 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>[ 37.237954] RSP: 002b:00007ffcc684c6c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 37.246693] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007efeb0c87473 <4>[ 37.254954] RDX: 0000000000000019 RSI: 00007efeb0b7b000 RDI: 0000000000000001 <4>[ 37.263212] RBP: 00007efeb0b7b000 R08: 00007efeb0b7a010 R09: 0000000000000000 <4>[ 37.271487] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 37.279746] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 RNING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCEPTION.sh # Killed # [ 35.448726] lkdtm: Performing direct entry EXCEPTION # [ 35.454836] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 35.469110] #PF: supervisor write access in kernel mode # [ 35.475234] #PF: error_code(0x0002) - not-present page # [ 35.481260] PGD 0 P4D 0 # [ 35.484376] Oops: 0002 [#2] SMP PTI # [ 35.488558] CPU: 1 PID: 748 Comm: cat Tainted: G D W 5.10.204-cip41 #1 # [ 35.497400] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 35.504498] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 # [ 35.509750] Code: 48 c7 c7 00 2e f8 89 8d 70 01 89 35 81 7f 0b 03 e8 5a b9 69 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 # [ 35.537236] RSP: 0018:ffffa86a8150fe60 EFLAGS: 00010286 # [ 35.543361] RAX: ffffffff8897bda0 RBX: 0000000000000004 RCX: 0000000000000000 # [ 35.551622] RDX: 0000000000000000 RSI: ffff9023bac9bf50 RDI: ffffffff89af84e0 # [ 35.559882] RBP: f<6>[ 37.399562] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING <6>[ 37.407276] lkdtm: attempting bad read from page above current stack <0>[ 37.414672] BUG: stack guard page was hit at 00000000bafb09cf (stack is 00000000262a91d6..000000005d86646e) <4>[ 37.425879] kernel stack overflow (page fault): 0000 [#4] SMP PTI fffffff89e7650f R08: 0000000000000000 R09: 0000000000000000 # [<4>[ 37.432978] CPU: 2 PID: 1014 Comm: cat Tainted: G D W 5.10.204-cip41 #1 <4>[ 37.448132] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 37.455235] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d 35.568143] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0<4>[ 37.462137] Code: de fb ff 0f 1f 44 00 00 53 48 c7 c7 18 32 f8 89 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 b1 de fb ff 48 c7 c7 58 32 f8 89 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 94 de fb ff <4>[ 37.489625] RSP: 0018:ffffa86a818a7e50 EFLAGS: 00010246 <4>[ 37.495750] RAX: 0000000000000038 RBX: ffffa86a818a4000 RCX: 0000000000000000 <4>[ 37.504012] RDX: 0000000000000000 RSI: ffff9023bad1bf50 RDI: ffffffff89f83258 <4>[ 37.512273] RBP: ffffffff89f82923 R08: 0000000000000000 R09: 0000000000000000 <4>[ 37.520542] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a <4>[ 37.528804] R13: ffffa86a818a7f10 R14: ffffa86a818a7f10 R15: ffff902344794000 <4>[ 37.537065] FS: 00007fd8553e9580(0000) GS:ffff9023bad00000(0000) knlGS:0000000000000000 <4>[ 37.546393] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 37.553099] CR2: ffffa86a818a8000 CR3: 0000000104404002 CR4: 00000000003706e0 <4>[ 37.561360] Call Trace: <4>[ 37.564379] <#DF> <4>[ 37.566911] ? __die_body.cold+0x1a/0x1f <4>[ 37.571581] ? die+0x2b/0x50 <4>[ 37.575074] ? handle_stack_overflow+0x3e/0x4d <4>[ 37.580327] ? no_context+0x24d/0x380 <4>[ 37.584703] <4>[ 37.587330] 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_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table 00000000000000a # [ 35.576405] R13: ffffa86a8150ff10 R14: fff<4>[ 37.640119] ---[ end trace 74b841559c2f9301 ]--- <4>[ 37.651775] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 37.656443] Code: 89 ff e8 be d5 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 b0 7f 0b 03 <4>[ 37.677717] RSP: 0018:ffffa86a8134fe60 EFLAGS: 00010282 <4>[ 37.683840] RAX: ffffffff8897bd40 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 37.692101] RDX: 0000000000000000 RSI: ffff9023bad9bf50 RDI: ffffffff89af84b0 <4>[ 37.700362] RBP: ffffffff89fe8c28 R08: 0000000000000001 R09: 0000000000000001 <4>[ 37.708623] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 37.716884] R13: ffffa86a8134ff10 R14: ffffa86a8134ff10 R15: ffff902343e7b000 <4>[ 37.725145] FS: 00007fd8553e9580(0000) GS:ffff9023bad00000(0000) knlGS:0000000000000000 <4>[ 37.734488] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 37.741194] CR2: ffffa86a818a8000 CR3: 0000000104404002 CR4: 00000000003706e0 fa86a8150ff10 R15: ffff902343898000 # [ 35.584667] FS: 00007f17f1deb580(0000) GS:ffff9023bac80000(0000) knlGS:0000000000000000 # [ 35.593988] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 35.600695] CR2: 0000000000000000 CR3: 0000000106110001 CR4: 00000000003706e0 # [ 35.608955] Call Trace: # [ 35.611978] ? __die_body.cold+0x1a/0x1f # [ 35.622864] ? no_context+0x177/0x380 # [ 35.633461] ? exc_page_fault+0x53/0x170 # [ 35.644347] ? asm_exc_page_fault+0x1e/0x30 # [ 35.649309] ? lkdtm_WARNING_MESSAGE+0x30/0x30 # [ 35.654564] ? lkdtm_EXCEPTION+0x5/0x20 # [ 35.659136] direct_entry.cold+0x2c/0x38 # [ 35.663797] full_proxy_write+0x53/0x80 # [ 35.668371] vfs_write+0xe7/0x3b0 # [ 35.678572] ksys_write+0x68/0xf0 # [ 35.682561] do_syscall_64+0x30/0x40 # [ 35.686843] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 35.692775] RIP: 0033:0x7f17f1d01473 # [ 35.697056] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 35.718322] RSP: 002b:00007ffc1a942de8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 35.727070] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f17f1d01473 # [ 35.735331] RDX: 000000000000000a RSI: 00007f17f1bf5000 RDI: 0000000000000001 # [ 35.7435<6>[ 37.881666] lkdtm: Performing direct entry UNSET_SMEP <6>[ 37.892163] lkdtm: trying to clear SMEP normally <4>[ 37.897618] ------------[ cut here ]------------ <4>[ 37.903072] pinned CR4 bits changed: 0x100000!? <4>[ 37.908426] WARNING: CPU: 3 PID: 1051 at arch/x86/kernel/cpu/common.c:397 native_write_cr4+0x45/0x60 91] RBP: 00007f17f1bf5000 R08: 00007f17f1bf4010 R09: 00000000000<4>[ 37.918929] 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_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 37.977941] CPU: 3 PID: 1051 Comm: cat Tainted: G D W 5.10.204-cip41 #1 00000 # [ 35.751852] R10: fffffffffffffbc5 R11: 0000000000000<4>[ 37.986893] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 38.000202] RIP: 0010:native_write_cr4+0x45/0x60 <4>[ 38.005650] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d b8 5e 66 02 00 75 f2 48 c7 c7 b0 05 e8 89 c6 05 a8 5e 66 02 01 e8 75 55 15 01 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 <4>[ 38.026927] RSP: 0018:ffffa86a81947e48 EFLAGS: 00010286 <4>[ 38.033053] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 0000000000000000 <4>[ 38.041309] RDX: ffff9023badac620 RSI: ffff9023bad9bf50 RDI: ffff9023bad9bf50 <4>[ 38.049572] RBP: ffffffff89f8293d R08: 0000000000000000 R09: 0000000000000000 <4>[ 38.057835] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b <4>[ 38.066098] R13: ffffa86a81947f10 R14: ffffa86a81947f10 R15: ffff902343cba000 <4>[ 38.074361] FS: 00007f7c9307f580(0000) GS:ffff9023bad80000(0000) knlGS:0000000000000000 <4>[ 38.083692] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 38.090393] CR2: 00007f7c92e89000 CR3: 0000000106406004 CR4: 00000000003706e0 <4>[ 38.098655] Call Trace: <4>[ 38.101678] ? __warn+0x80/0x110 <4>[ 38.105604] ? native_write_cr4+0x45/0x60 246 R12: 0000000000000001 # [ 35.760106] R13: 000000000000000<4>[ 38.110375] ? report_bug+0x9e/0xc0 1 R14: 0000000000020000 R15: 0000000000020000 # [ 35.768370] <4>[ 38.120777] ? handle_bug+0x41/0x90 <4>[ 38.131178] ? exc_invalid_op+0x14/0x70 <4>[ 38.135782] ? asm_exc_invalid_op+0x12/0x20 <4>[ 38.140752] ? native_write_cr4+0x45/0x60 Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sens<4>[ 38.145539] ? native_write_cr4+0x45/0x60 <4>[ 38.156522] lkdtm_UNSET_SMEP.cold+0x1d/0x103 <4>[ 38.161705] direct_entry.cold+0x2c/0x38 ors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf<4>[ 38.166380] full_proxy_write+0x53/0x80 <4>[ 38.177172] vfs_write+0xe7/0x3b0 industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_lightbar cros<4>[ 38.181189] ksys_write+0x68/0xf0 <4>[ 38.191394] do_syscall_64+0x30/0x40 <4>[ 38.195700] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 38.201633] RIP: 0033:0x7f7c92f95473 <4>[ 38.205917] 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>[ 38.227197] RSP: 002b:00007fff814894c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 _ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec<4>[ 38.235977] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f7c92f95473 <4>[ 38.250448] RDX: 000000000000000b RSI: 00007f7c92e89000 RDI: 0000000000000001 <4>[ 38.258711] RBP: 00007f7c92e89000 R08: 00007f7c92e88010 R09: 0000000000000000 <4>[ 38.266963] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 38.275228] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 _debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger s<4>[ 38.283499] irq event stamp: 0 <4>[ 38.293411] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 38.300706] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 38.310134] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 38.319562] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 38.326854] ---[ end trace 74b841559c2f9302 ]--- <6>[ 38.332301] lkdtm: ok: SMEP did not get cleared <6>[ 38.337649] lkdtm: trying to clear SMEP with call gadget <6>[ 38.343872] lkdtm: ok: SMEP removal was reverted nd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 35.827333] CR2: 0000000000000000 # [ 35.831323] ---[ end trace 74b841559c2f92ff ]--- # [ 35.836759] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 35.841418] Code: 89 ff e8 be d5 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 b0 7f 0b 03 # [ 35.862693] RSP: 0018:ffffa86a8134fe60 EFLAGS: 00010282 # [ 35.868817] RAX: ffffffff8897bd40 RBX: 0000000000000001 RCX: 0000000000000000 # [ 35.877078] RDX: 0000000000000000 RSI: ffff9023bad9bf50 RDI: ffffffff89af84b0 # [ 35.885339] RBP: ffffffff89fe8c28 R08: 0000000000000001 R09: 0000000000000001 # [ 35.893602] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 35.901863] R13: ffffa86a8134ff10 R14: ffffa86a8134ff10 R15: ffff902343e7b000 # [ 35.910125] FS: 00007f17f1deb580(0000) GS:ffff9023bac80000(0000) knlGS:0000000000000000 # [ 35.919453] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ <6>[ 38.461292] lkdtm: Performing direct entry DOUBLE_FAULT 35.926154] CR2: 0000000000000000 CR3: 0000000106110001 CR4: 0000<3>[ 38.473596] lkdtm: XFAIL: this test is ia32-only 0000003706e0 # [ 35.934414] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 35.944617] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 748, name: cat # [ 35.953265] INFO: lockdep is turned off. # [ 35.957931] irq event stamp: 0 # [ 35.961628] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 35.968918] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 35.978345] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 35.987764] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 35.995053] CPU: 1 PID: 748 Comm: cat Tainted: G D W 5.10.204-cip41 #1 # [ 36.003896] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 36.010991] Call Trace: # [ 36.014009] dump_stack+0x77/0x9b # [ 36.018001] ___might_sleep.cold+0xa6/0xb6 # [ 36.029076] exit_signals+0x1c/0x300 # [ 36.033359] do_exit+0xc2/0xab0 # [ 36.037153] ? ksys_write+0x68/0xf0 # [ 36.041338] make_task_dead+0x2f/0x30 # [ 36.045715] rewind_stack_and_make_dead+0x17/0x20 # [ 36.051249] RIP: 0033:0x7f17f1d01473 # [ 36.055535] 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 f<6>[ 38.609735] lkdtm: Performing direct entry CORRUPT_PAC <3>[ 38.621809] lkdtm: XFAIL: this test is arm64-only f 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 36.076815] RSP: 002b:00007ffc1a942de8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 36.091777] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f17f1d01473 # [ 36.100036] RDX: 000000000000000a RSI: 00007f17f1bf5000 RDI: 0000000000000001 # [ 36.108296] RBP: 00007f17f1bf5000 R08: 00007f17f1bf4010 R09: 0000000000000000 # [ 36.116558] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 36.124817] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXCEPTION: saw 'call trace:': ok ok 5 selftests: lkdtm: EXCEPTION.sh # selftests: lkdtm: LOOP.sh # Skipping LOOP: Hangs the system ok 6 selftests: lkdtm: LOOP.sh # SKIP # selftests: lkdtm: EXHAUST_STACK.sh # Skipping EXHAUST_STACK: Corrupts memory on failure ok 7 selftests: lkdtm: EXHAUST_STACK.sh # SKIP # selftests: lkdtm: CORRUPT_STACK.sh # Skipping CORRUPT_STACK: Crashes entire system on success ok 8 selftests: lkdtm: CORRUPT_STACK.sh # SKIP # selftests: lkdtm: CORRUPT_STACK_STRONG.sh # Skipping CORRUPT_ST<6>[ 38.726807] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE ACK_STRONG: Crashes entire system on success ok 9 selftests: lk<3>[ 38.740561] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS dtm: CORRUPT_STACK_STRONG.sh # SKIP # selftests: lkdtm: CORRUPT_LIST_ADD.sh # [ 36.406666] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 36.419277] lkdtm: attempting good list addition # [ 36.430946] lkdtm: attempting corrupted list addition # [ 36.443095] 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 # [ 36.586612] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 36.598622] lkdtm: attempting good list removal # [ 36.610194] lkdtm: attempting corrupted list removal # [ 36.622241] 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 # [ 36.730377] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 36.741192] lkdtm: attempting bad read from page below current stack # [ 36.754799] BUG: stack guard page was hit at 00000000375b70d5 (stack is 000000004c71670a..00000000dc43b171) # [ 36.772183] kernel stack overflow (page fault): 0000 [#3] SMP PTI # [ 36.779281] CPU: 1 PID: 980 Comm: cat Tainted: G D W 5.10.204-cip41 #1 # [ 36.788125] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 36.795224] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a # [ 36.802032] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 a0 31 f8 89 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 eb de fb ff 48 c7 c7 e0 31 f8 89 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 d1 de fb ff 0f 1f 44 # [ 36.829538] RSP: 0018:ffffa86a81827e50 EFLAGS: 00010246 # [ 36.835662] RAX: 0000000000000038 RBX: ffffa86a81824000 RCX: 0000000000000000 # [ 36.843923] RDX<6>[ 38.932098] lkdtm: Performing direct entry READ_AFTER_FREE : 0000000000000000 RSI: ffff9023bac9bf50 RDI: ffffffff89f831e0 <6>[ 38.941318] lkdtm: Value in memory before free: 12345678 # [ 36.852183] RBP: ffffffff89f8290a R08: 0000000000000000 R09<6>[ 38.953784] lkdtm: Attempting bad read from freed memory : 0000000000000000 # [ 36.860444] R10: 00000000ffffe000 R11: <6>[ 38.966194] lkdtm: Memory was not poisoned 3fffffffffffffff R12: 0000000000000019 # [ 36.868703] R13: ffffa86a81827f10 R14: ffffa86a81827f10 R15: ffff902345ad7000 # [ 36.876966] FS: 00007efeb0d71580(0000) GS:ffff9023bac80000(0000) knlGS:0000000000000000 # [ 36.886287] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 36.892994] CR2: ffffa86a81823fff CR3: 0000000104096002 CR4: 00000000003706e0 # [ 36.901255] Call Trace: # [ 36.904271] <#DF> # [ 36.906804] ? __die_body.cold+0x1a/0x1f # [ 36.911491] ? die+0x2b/0x50 # [ 36.921205] ? handle_stack_overflow+0x3e/0x4d # [ 36.926458] ? no_context+0x24d/0x380 # [ 36.930833] # [ 36.933478] 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_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 36.992446] ---[ end trace 74b841559c2f9300 ]--- # [ 36.997893] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 37.002561] Code: 89 ff e8 be d5 79 ff 48 c7 c0 ea ff ff ff eb d<6>[ 39.101537] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE <6>[ 39.114804] lkdtm: Value in memory before free: 12345678 <6>[ 39.121064] lkdtm: Attempting to read from freed memory e 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9<6>[ 39.127217] lkdtm: Buddy page was not poisoned 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 b0 7f 0b 03 # [ 37.023836] RSP: 0018:ffffa86a8134fe60 EFLAGS: 00010282 # [ 37.029959] RAX: ffffffff8897bd40 RBX: 0000000000000001 RCX: 0000000000000000 # [ 37.038219] RDX: 0000000000000000 RSI: ffff9023bad9bf50 RDI: ffffffff89af84b0 # [ 37.046488] RBP: ffffffff89fe8c28 R08: 0000000000000001 R09: 0000000000000001 # [ 37.054749] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 37.063010] R13: ffffa86a8134ff10 R14: ffffa86a8134ff10 R15: ffff902343e7b000 # [ 37.071271] FS: 00007efeb0d71580(0000) GS:ffff9023bac80000(0000) knlGS:0000000000000000 # [ 37.080600] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 37.087307] CR2: ffffa86a81823fff CR3: 0000000104096002 CR4: 00000000003706e0 # [ 37.095569] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 37.105764] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 980, name: cat # [ 37.114413] INFO: lockdep is turned off. # [ 37.119079] irq event stamp: 0<6>[ 39.242671] lkdtm: Performing direct entry SLAB_FREE_DOUBLE <6>[ 39.250920] lkdtm: Attempting double slab free ... # [ 37.122777] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 37.130068] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 37.139495] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 37.148920] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 37.156210] CPU: 1 PID: 980 Comm: cat Tainted: G D W 5.10.204-cip41 #1 # [ 37.165053] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 37.172147] Call Trace: # [ 37.175165] dump_stack+0x77/0x9b # [ 37.179157] ___might_sleep.cold+0xa6/0xb6 # [ 37.184020] exit_signals+0x1c/0x300 # [ 37.188301] do_exit+0xc2/0xab0 # [ 37.198310] ? ksys_write+0x68/0xf0 # [ 37.202496] make_task_dead+0x2f/0x30 # [ 37.206874] rewind_stack_and_make_dead+0x17/0x20 # [ 37.212406] RIP: 0033:0x7efeb0c87473 # [ 37.216686] 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 # [ 37.237954] RSP: 002b:00007ffcc684c6c8 E<6>[ 39.366610] lkdtm: Performing direct entry SLAB_FREE_CROSS FLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 37.246693] RAX<6>[ 39.374925] lkdtm: Attempting cross-cache slab free ... : ffffffffffffffda RBX: 0000000000000019 RCX: 00007efeb0c87473 # [ 37.254954] RDX: 0000000000000019 RSI: 00007efeb0b7b000 RDI: 0000000000000001 # [ 37.263212] RBP: 00007efeb0b7b000 R08: 00007efeb0b7a010 R09: 0000000000000000 # [ 37.271487] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 37.279746] 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 # [ 37.399562] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 37.407276] lkdtm: attempting bad read from page above current stack # [ 37.414672] BUG: stack guard page was hit at 00000000bafb09cf (stack is 00000000262a91d6..000000005d86646e) # [ 37.425879] kernel stack overflow (page fault): 000<6>[ 39.472974] lkdtm: Performing direct entry SLAB_FREE_PAGE <6>[ 39.480596] lkdtm: Attempting non-Slab slab free ... 0 [#4] SMP PTI # [ 37.432978] CPU: 2 PID: 1014 Comm: cat Tainted: G D W 5.10.204-cip41 #1 # [ 37.448132] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 37.455235] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d # [ 37.462137] Code: de fb ff 0f 1f 44 00 00 53 48 c7 c7 18 32 f8 89 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 b1 de fb ff 48 c7 c7 58 32 f8 89 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 94 de fb ff # [ 37.489625] RSP: 0018:ffffa86a818a7e50 EFLAGS: 00010246 # [ 37.495750] RAX: 0000000000000038 RBX: ffffa86a818a4000 RCX: 0000000000000000 # [ 37.504012] RDX: 0000000000000000 RSI: ffff9023bad1bf50 RDI: ffffffff89f83258 # [ 37.512273] RBP: ffffffff89f82923 R08: 0000000000000000 R09: 0000000000000000 # [ 37.520542] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a # [ 37.528804] R13: ffffa86a818a7f10 R14: ffffa86a818a7f10 R15: ffff902344794000 # [ 37.537065] FS: 00007fd8553e9580(0000) GS:ffff9023bad00000(0000) knlGS:0000000000000000 # [ 37.546393] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 37.553099] CR2: ffffa86a818a8000 CR3: 0000000104404002 CR4: 00000000003706e0 # [ 37.561360] Call Trace: # [ 37.564379] <#DF> # [ 37.566911] ? __die_body.cold+0x1a/0x1f # [ 37.571581] ? die+0x2b/0x50 # [ 37.575074] ? handle_stack_overflow+0x3e/0x4d # [ 37.580327] ? no_context+0x24d/0x380 # [ 37.584703] # [ 37.587330] 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_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 37.640119] ---[ end trace 74b841559c2f9301 ]--- # [ 37.651775] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 37.656443] Code: 89 ff e8 be d5 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 <6>[ 39.697911] lkdtm: Performing direct entry EXEC_DATA <6>[ 39.709863] lkdtm: attempting ok execution at ffffffff8897c110 <6>[ 39.716730] lkdtm: attempting bad execution at ffffffff8ba33d40 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05<2>[ 39.723651] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 39.738505] BUG: unable to handle page fault for address: ffffffff8ba33d40 <1>[ 39.746490] #PF: supervisor instruction fetch in kernel mode <1>[ 39.753100] #PF: error_code(0x0011) - permissions violation <6>[ 39.759614] PGD 132629067 P4D 132629067 PUD 13262a063 PMD 8000000133e000e3 <4>[ 39.767684] Oops: 0011 [#5] SMP PTI <4>[ 39.771858] CPU: 3 PID: 1574 Comm: cat Tainted: G D W 5.10.204-cip41 #1 <4>[ 39.780797] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 39.787895] RIP: 0010:data_area+0x0/0x40 <4>[ 39.792564] Code: ff ff 00 22 d2 44 23 90 ff ff 00 21 d2 44 23 90 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>[ 39.813837] RSP: 0018:ffffa86a821a7e48 EFLAGS: 00010246 <4>[ 39.819954] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 39.828213] RDX: 0000000000000000 RSI: ffff9023bad9bf50 RDI: ffff9023bad9bf50 <4>[ 39.836490] RBP: ffffffff8ba33d40 R08: 0000000000000000 R09: 0000000000000000 <4>[ 39.844752] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a <4>[ 39.853012] R13: ffffa86a821a7f10 R14: ffffa86a821a7f10 R15: ffff90234419c000 <4>[ 39.861273] FS: 00007fd869dcf580(0000) GS:ffff9023bad80000(0000) knlGS:0000000000000000 <4>[ 39.870604] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 39.877301] CR2: ffffffff8ba33d40 CR3: 0000000106564001 CR4: 00000000003706e0 <4>[ 39.885563] Call Trace: <4>[ 39.888583] ? __die_body.cold+0x1a/0x1f <4>[ 39.893253] ? no_context+0x177/0x380 <4>[ 39.897633] ? exc_page_fault+0xd7/0x170 <4>[ 39.902302] ? asm_exc_page_fault+0x1e/0x30 <4>[ 39.907266] ? execute_location+0x45/0x56 <4>[ 39.912031] ? direct_entry.cold+0x2c/0x38 <4>[ 39.916895] ? full_proxy_write+0x53/0x80 <4>[ 39.921661] ? vfs_write+0xe7/0x3b0 <4>[ 39.925835] ? ksys_write+0x68/0xf0 <4>[ 39.930019] ? do_syscall_64+0x30/0x40 <4>[ 39.934492] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 b0 7f 0b 03 # [ 37.677717] RSP: 0018:ffffa86a8134fe60 EFLAGS<4>[ 39.940617] 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_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 39.999611] CR2: ffffffff8ba33d40 <4>[ 40.003600] ---[ end trace 74b841559c2f9303 ]--- <4>[ 40.009036] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 40.013705] Code: 89 ff e8 be d5 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 b0 7f 0b 03 <4>[ 40.034972] RSP: 0018:ffffa86a8134fe60 EFLAGS: 00010282 <4>[ 40.041088] RAX: ffffffff8897bd40 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 40.049347] RDX: 0000000000000000 RSI: ffff9023bad9bf50 RDI: ffffffff89af84b0 <4>[ 40.057608] RBP: ffffffff89fe8c28 R08: 0000000000000001 R09: 0000000000000001 <4>[ 40.065868] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 40.074129] R13: ffffa86a8134ff10 R14: ffffa86a8134ff10 R15: ffff902343e7b000 <4>[ 40.082388] FS: 00007fd869dcf580(0000) GS:ffff9023bad80000(0000) knlGS:0000000000000000 <4>[ 40.091716] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 40.098422] CR2: ffffffff8ba33d40 CR3: 0000000106564001 CR4: 00000000003706e0 <3>[ 40.106682] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 40.116884] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1574, name: cat <4>[ 40.125630] INFO: lockdep is turned off. <4>[ 40.130296] irq event stamp: 0 <4>[ 40.133994] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 40.141275] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 40.150693] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 40.160118] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 40.167408] CPU: 3 PID: 1574 Comm: cat Tainted: G D W 5.10.204-cip41 #1 <4>[ 40.176347] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 40.183442] Call Trace: <4>[ 40.186460] dump_stack+0x77/0x9b : 00010282 # [ 37.683840] RAX: ffffffff8897bd40 RBX: 00000000<4>[ 40.190475] ___might_sleep.cold+0xa6/0xb6 <4>[ 40.201553] exit_signals+0x1c/0x300 <4>[ 40.205831] do_exit+0xc2/0xab0 <4>[ 40.209625] ? ksys_write+0x68/0xf0 <4>[ 40.213808] make_task_dead+0x2f/0x30 <4>[ 40.218186] rewind_stack_and_make_dead+0x17/0x20 <4>[ 40.223727] RIP: 0033:0x7fd869ce5473 <4>[ 40.228006] 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>[ 40.249271] RSP: 002b:00007ffcf6882c88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 40.258009] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fd869ce5473 <4>[ 40.266268] RDX: 000000000000000a RSI: 00007fd869bd9000 RDI: 0000000000000001 <4>[ 40.274537] RBP: 00007fd869bd9000 R08: 00007fd869bd8010 R09: 0000000000000000 <4>[ 40.282796] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 40.291057] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 00000001 RCX: 0000000000000000 # [ 37.692101] RDX: 0000000000000000 RSI: ffff9023bad9bf50 RDI: ffffffff89af84b0 # [ 37.700362] RBP: ffffffff89fe8c28 R08: 0000000000000001 R09: 0000000000000001 # [ 37.708623] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 37.716884] R13: ffffa86a8134ff10 R14: ffffa86a8134ff10 R15: ffff902343e7b000 # [ 37.725145] FS: 00007fd8553e9580(0000) GS:ffff9023bad00000(0000) knlGS:0000000000000000 # [ 37.734488] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 37.741194] CR2: ffffa86a818a8000 CR3: 0000000104404002 CR4: 00000000003706e0 # STACK_GUARD_PAGE_TRAILING: saw 'call trace:': ok ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # selftests: lkdtm: UNSET_SMEP.sh # [ 37.881666] lkdtm: Performing direct entry UNSET_SMEP # [ 37.892163] lkdtm: trying to clear SMEP normally # [ 37.897618] ------------[ cut here ]------------ # [ 37.903072] pinned CR4 bits changed: 0x100000!? # [ 37.908426] WARNING: CPU: 3 PID: 1051 at arch/x86/kernel/cpu/common.c:397 native_write_cr4+0x45/0x60 # [ 37.918929] 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_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2<6>[ 40.428001] lkdtm: Performing direct entry EXEC_STACK <6>[ 40.435837] lkdtm: attempting ok execution at ffffffff8897c110 <6>[ 40.442679] lkdtm: attempting bad execution at ffffa86a82247e18 <2>[ 40.449610] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) _vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros<1>[ 40.458269] BUG: unable to handle page fault for address: ffffa86a82247e18 <1>[ 40.472455] #PF: supervisor instruction fetch in kernel mode <1>[ 40.479069] #PF: error_code(0x0011) - permissions violation _u[ 40.485573] PGD 100000067 P4D 100000067 PUD 100248067 PMD 104643067 PTE 80000001040d1063 <4>[ 40.501125] Oops: 0011 [#6] SMP PTI <4>[ 40.505310] CPU: 3 PID: 1611 Comm: cat Tainted: G D W 5.10.204-cip41 #1 <4>[ 40.514252] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 40.521348] RIP: 0010:0xffffa86a82247e18 <4>[ 40.526016] Code: 00 00 18 7e 24 82 6a a8 ff ff 2e f6 05 89 ff ff ff ff 20 00 00 00 00 00 00 00 66 2a f8 89 ff ff ff ff 5d f7 05 89 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>[ 40.547291] RSP: 0018:ffffa86a82247df8 EFLAGS: 00010246 <4>[ 40.553408] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 40.561669] RDX: 0000000000000000 RSI: ffff9023bad9bf50 RDI: ffff9023bad9bf50 <4>[ 40.569930] RBP: ffffa86a82247e18 R08: 0000000000000000 R09: 0000000000000000 <4>[ 40.578191] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b <4>[ 40.586451] R13: ffffa86a82247f10 R14: ffffa86a82247f10 R15: ffff902344767000 <4>[ 40.594711] FS: 00007f9bcb4e0580(0000) GS:ffff9023bad80000(0000) knlGS:0000000000000000 <4>[ 40.604041] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 40.610748] CR2: ffffa86a82247e18 CR3: 0000000103cb6005 CR4: 00000000003706e0 <4>[ 40.619008] Call Trace: <4>[ 40.622027] ? __die_body.cold+0x1a/0x1f <4>[ 40.626698] ? no_context+0x177/0x380 <4>[ 40.631078] ? exc_page_fault+0xd7/0x170 <4>[ 40.635747] ? asm_exc_page_fault+0x1e/0x30 _pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common<4>[ 40.640721] ? execute_location+0x45/0x56 <4>[ 40.651700] ? lkdtm_EXEC_STACK+0x26/0x44 <4>[ 40.656490] ? direct_entry.cold+0x2c/0x38 <4>[ 40.661348] ? full_proxy_write+0x53/0x80 <4>[ 40.666112] ? vfs_write+0xe7/0x3b0 <4>[ 40.670287] ? ksys_write+0x68/0xf0 <4>[ 40.674489] ? do_syscall_64+0x30/0x40 <4>[ 40.678964] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chr<4>[ 40.685082] 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_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 40.744075] CR2: ffffa86a82247e18 <4>[ 40.748063] ---[ end trace 74b841559c2f9304 ]--- <4>[ 40.753509] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 40.758178] Code: 89 ff e8 be d5 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 b0 7f 0b 03 <4>[ 40.779450] RSP: 0018:ffffa86a8134fe60 EFLAGS: 00010282 <4>[ 40.785575] RAX: ffffffff8897bd40 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 40.793835] RDX: 0000000000000000 RSI: ffff9023bad9bf50 RDI: ffffffff89af84b0 <4>[ 40.802096] RBP: ffffffff89fe8c28 R08: 0000000000000001 R09: 0000000000000001 <4>[ 40.810355] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 40.818616] R13: ffffa86a8134ff10 R14: ffffa86a8134ff10 R15: ffff902343e7b000 <4>[ 40.826878] FS: 00007f9bcb4e0580(0000) GS:ffff9023bad80000(0000) knlGS:0000000000000000 <4>[ 40.836207] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 40.842914] CR2: ffffa86a82247e18 CR3: 0000000103cb6005 CR4: 00000000003706e0 omeos_pstore coreboot_table # [ 37.977941] CPU: 3 PID: 1051 Comm: cat Tainted: G D W 5.10.204-cip41 #1 # [ 37.986893] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 38.000202] RIP: 0010:native_write_cr4+0x45/0x60 # [ 38.005650] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d b8 5e 66 02 00 75 f2 48 c7 c7 b0 05 e8 89 c6 05 a8 5e 66 02 01 e8 75 55 15 01 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 # [ 38.026927] RSP: 0018:ffffa86a81947e48 EFLAGS: 00010286 # [ 38.033053] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 0000000000000000 # [ 38.041309] RDX: ffff9023badac620 RSI: ffff9023bad9bf50 RDI: ffff9023bad9bf50 # [ 38.049572] RBP: ffffffff89f8293d R08: 0000000000000000 R09: 0000000000000000 # [ 38.057835] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 38.066098] R13: ffffa86a81947f10 R14: ffffa86a81947f10 R15: ffff902343cba000 # [ 38.074361] FS: 00007f7c9307f580(0000) GS:ffff9023bad80000(0000) knlGS:0000000000000000 # [ 38.083692] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 38.090393] CR2: 00007f7c92e89000 CR3: 0000000106406004 CR4: 00000000003706e0 # [ 38.098655] Call Trace: # [ 38.101678] ? __warn+0x80/0x110 # [ 38.105604] <6>[ 40.973286] lkdtm: Performing direct entry EXEC_KMALLOC <6>[ 40.981819] lkdtm: attempting ok execution at ffffffff8897c110 <6>[ 40.988636] lkdtm: attempting bad execution at ffff902343d443c0 <2>[ 40.995557] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 41.004215] BUG: unable to handle page fault for address: ffff902343d443c0 <1>[ 41.012185] #PF: supervisor instruction fetch in kernel mode <1>[ 41.018794] #PF: error_code(0x0011) - permissions violation <6>[ 41.025306] PGD 134001067 P4D 134001067 PUD 10024b063 PMD 105b4a063 PTE 8000000103d44063 <4>[ 41.034640] Oops: 0011 [#7] SMP PTI <4>[ 41.038812] CPU: 3 PID: 1648 Comm: cat Tainted: G D W 5.10.204-cip41 #1 <4>[ 41.047753] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 41.054851] RIP: 0010:0xffff902343d443c0 <4>[ 41.059538] Code: ff ff 80 2d 95 44 23 90 ff ff c0 2d 95 44 23 90 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>[ 41.080804] RSP: 0018:ffffa86a822e7e38 EFLAGS: 00010246 <4>[ 41.086929] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 41.095189] RDX: 0000000000000000 RSI: ffff9023bad9bf50 RDI: ffff9023bad9bf50 <4>[ 41.103451] RBP: ffff902343d443c0 R08: 0000000000000000 R09: 0000000000000000 <4>[ 41.111705] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d ? native_write_cr4+0x45/0x60 # [ 38.110375] ? report_bug+0x<4>[ 41.119969] R13: ffffa86a822e7f10 R14: ffffa86a822e7f10 R15: ffff9023431b7000 <4>[ 41.134448] FS: 00007f7293c74580(0000) GS:ffff9023bad80000(0000) knlGS:0000000000000000 <4>[ 41.143778] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 41.150490] CR2: ffff902343d443c0 CR3: 000000010389c003 CR4: 00000000003706e0 <4>[ 41.158751] Call Trace: <4>[ 41.161771] ? __die_body.cold+0x1a/0x1f <4>[ 41.166439] ? no_context+0x177/0x380 <4>[ 41.170811] ? exc_page_fault+0xd7/0x170 <4>[ 41.175488] ? asm_exc_page_fault+0x1e/0x30 <4>[ 41.180443] ? execute_location+0x45/0x56 <4>[ 41.185208] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 <4>[ 41.190168] ? direct_entry.cold+0x2c/0x38 <4>[ 41.195031] ? full_proxy_write+0x53/0x80 <4>[ 41.199788] ? vfs_write+0xe7/0x3b0 <4>[ 41.203970] ? ksys_write+0x68/0xf0 <4>[ 41.208155] ? do_syscall_64+0x30/0x40 <4>[ 41.212627] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 9e/0xc0 # [ 38.120777] ? handle_bug+0x41/0x90 # [ 38.1311<4>[ 41.218754] 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_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 41.277751] CR2: ffff902343d443c0 <4>[ 41.281731] ---[ end trace 74b841559c2f9305 ]--- <4>[ 41.287165] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 41.291832] Code: 89 ff e8 be d5 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 b0 7f 0b 03 <4>[ 41.313108] RSP: 0018:ffffa86a8134fe60 EFLAGS: 00010282 <4>[ 41.319224] RAX: ffffffff8897bd40 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 41.327494] RDX: 0000000000000000 RSI: ffff9023bad9bf50 RDI: ffffffff89af84b0 <4>[ 41.335745] RBP: ffffffff89fe8c28 R08: 0000000000000001 R09: 0000000000000001 <4>[ 41.344004] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 41.352265] R13: ffffa86a8134ff10 R14: ffffa86a8134ff10 R15: ffff902343e7b000 <4>[ 41.360538] FS: 00007f7293c74580(0000) GS:ffff9023bad80000(0000) knlGS:0000000000000000 <4>[ 41.369865] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 41.376572] CR2: ffff902343d443c0 CR3: 000000010389c003 CR4: 00000000003706e0 <3>[ 41.384834] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 41.395039] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1648, name: cat <4>[ 41.403785] INFO: lockdep is turned off. <4>[ 41.408452] irq event stamp: 0 <4>[ 41.412149] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 41.419439] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 41.428858] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 41.438284] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 41.445574] CPU: 3 PID: 1648 Comm: cat Tainted: G D W 5.10.204-cip41 #1 <4>[ 41.454513] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 41.461608] Call Trace: <4>[ 41.464628] dump_stack+0x77/0x9b <4>[ 41.468617] ___might_sleep.cold+0xa6/0xb6 <4>[ 41.473490] exit_signals+0x1c/0x300 <4>[ 41.477769] do_exit+0xc2/0xab0 <4>[ 41.481565] ? ksys_write+0x68/0xf0 <4>[ 41.485749] make_task_dead+0x2f/0x30 <4>[ 41.490125] rewind_stack_and_make_dead+0x17/0x20 <4>[ 41.495667] RIP: 0033:0x7f7293b8a473 <4>[ 41.499947] 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>[ 41.521221] RSP: 002b:00007ffffbd5a6e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 41.529966] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f7293b8a473 <4>[ 41.538227] RDX: 000000000000000d RSI: 00007f7293a7e000 RDI: 0000000000000001 <4>[ 41.546488] RBP: 00007f7293a7e000 R08: 00007f7293a7d010 R09: 0000000000000000 <4>[ 41.554739] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 41.562999] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 78] ? exc_invalid_op+0x14/0x70 # [ 38.135782] ? asm_exc_invalid_op+0x12/0x20 # [ 38.140752] ? native_write_cr4+0x45/0x60 # [ 38.145539] ? native_write_cr4+0x45/0x60 # [ 38.156522] lkdtm_UNSET_SMEP.cold+0x1d/0x103 # [ 38.161705] direct_entry.cold+0x2c/0x38 # [ 38.166380] full_proxy_write+0x53/0x80 # [ 38.177172] vfs_write+0xe7/0x3b0 # [ 38.181189] ksys_write+0x68/0xf0 # [ 38.191394] do_syscall_64+0x30/0x40 # [ 38.195700] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 38.201633] RIP: 0033:0x7f7c92f95473 # [ 38.205917] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 38.227197] RSP: 002b:00007fff814894c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 38.235977] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f7c92f95473 # [ 38.250448] RDX: 000000000000000b RSI: 00007f7c92e89000 RDI: 0000000000000001 # [ 38.258711] RBP: 00007f7c92e89000 R08: 00007f7c92e88010 R09: 0000000000000000 # [ 38.266963] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 38.275228] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 38.283499] irq event stamp: 0 # [ 38.293411] hardirqs last<6>[ 41.700759] lkdtm: Performing direct entry EXEC_VMALLOC <6>[ 41.708010] lkdtm: attempting ok execution at ffffffff8897c110 enabled at (0): [<0000000000000000>] 0x0 # [ 38.300706] har<6>[ 41.714827] lkdtm: attempting bad execution at ffffa86a80373000 <2>[ 41.727947] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 41.736602] BUG: unable to handle page fault for address: ffffa86a80373000 <1>[ 41.744573] #PF: supervisor instruction fetch in kernel mode <1>[ 41.751183] #PF: error_code(0x0011) - permissions violation di] copy_process+0x6>[ 41.757698] PGD 100000067 P4D 100000067 PUD 100248067 PMD 10095e067 PTE 8000000103901063 <4>[ 41.773249] Oops: 0011 [#8] SMP PTI <4>[ 41.777434] CPU: 2 PID: 1685 Comm: cat Tainted: G D W 5.10.204-cip41 #1 <4>[ 41.786376] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 41.793493] RIP: 0010:0xffffa86a80373000 <4>[ 41.798162] Code: Unable to access opcode bytes at RIP 0xffffa86a80372fd6. <4>[ 41.806122] RSP: 0018:ffffa86a8236fe38 EFLAGS: 00010246 <4>[ 41.812248] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 41.820501] RDX: 0000000000000000 RSI: ffff9023bad1bf50 RDI: ffff9023bad1bf50 <4>[ 41.828753] RBP: ffffa86a80373000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 41.837011] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d <4>[ 41.845270] R13: ffffa86a8236ff10 R14: ffffa86a8236ff10 R15: ffff902343901000 <4>[ 41.853544] FS: 00007f86f41a3580(0000) GS:ffff9023bad00000(0000) knlGS:0000000000000000 <4>[ 41.862873] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 41.869580] CR2: ffffa86a80372fd6 CR3: 0000000106564003 CR4: 00000000003706e0 <4>[ 41.877841] Call Trace: <4>[ 41.880861] ? __die_body.cold+0x1a/0x1f <4>[ 41.885541] ? no_context+0x177/0x380 <4>[ 41.889920] ? exc_page_fault+0xd7/0x170 <4>[ 41.894589] ? asm_exc_page_fault+0x1e/0x30 <4>[ 41.899554] ? execute_location+0x45/0x56 <4>[ 41.904321] ? lkdtm_EXEC_VMALLOC+0x20/0x30 <4>[ 41.909280] ? direct_entry.cold+0x2c/0x38 <4>[ 41.914145] ? full_proxy_write+0x53/0x80 <4>[ 41.918911] ? vfs_write+0xe7/0x3b0 <4>[ 41.923085] ? ksys_write+0x68/0xf0 <4>[ 41.927270] ? do_syscall_64+0x30/0x40 <4>[ 41.931744] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 65c/0x20e0 # [ 38.310134] softirqs last enabled at (0): [[ 41.937872] 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_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 41.996869] CR2: ffffa86a80373000 <4>[ 42.000856] ---[ end trace 74b841559c2f9306 ]--- <4>[ 42.006301] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 42.010969] Code: 89 ff e8 be d5 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 b0 7f 0b 03 <4>[ 42.032243] RSP: 0018:ffffa86a8134fe60 EFLAGS: 00010282 <4>[ 42.038367] RAX: ffffffff8897bd40 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 42.046629] RDX: 0000000000000000 RSI: ffff9023bad9bf50 RDI: ffffffff89af84b0 <4>[ 42.054888] RBP: ffffffff89fe8c28 R08: 0000000000000001 R09: 0000000000000001 <4>[ 42.063148] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 42.071407] R13: ffffa86a8134ff10 R14: ffffa86a8134ff10 R15: ffff902343e7b000 <4>[ 42.079667] FS: 00007f86f41a3580(0000) GS:ffff9023bad00000(0000) knlGS:0000000000000000 <4>[ 42.088997] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 42.095703] CR2: ffffa86a80372fd6 CR3: 0000000106564003 CR4: 00000000003706e0 ffffff87efd6cc>] copy_process+0x65c/0x20e0 # [ 38.319562] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 38.326854] ---[ end trace 74b841559c2f9302 ]--- # [ 38.332301] lkdtm: ok: SMEP did not get cleared # [ 38.337649] lkdtm: trying to clear SMEP with call gadget # [ 38.343872] 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 # [ 38.461292] lkdtm: Performing direct entry DOUBLE_FAULT # [ 38.473596] lkdtm: XFAIL: this test is ia32-only # DOUBLE_FAULT: saw 'XFAIL': [SKIP] ok 15 selftests: lkdtm: DOUBLE_FAULT.sh # SKIP # selftests: lkdtm: CORRUPT_PAC.sh # [ 38.609735] lkdtm: Performing direct entry CORRUPT_PAC # [ 38.621809] lkdtm: XFAIL: this test is arm64-only # CORRUPT_PAC: saw 'XFAIL': [SKIP] ok 16 selftests: lkdtm: CORRUPT_PAC.sh # SKIP # selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh # [ 38.726807] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 38.740561] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # UNALIGNED_LOAD_STORE_WRITE: saw 'XFAIL': [SKIP] ok 17 selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh # SKIP # selftests: lkdtm: OVERWRITE_ALLOCATION.sh # Skip<6>[ 42.225600] lkdtm: Performing direct entry EXEC_RODATA <6>[ 42.234334] lkdtm: attempting ok execution at ffffffff8897c110 <6>[ 42.241147] lkdtm: attempting bad execution at ffffffff89af8940 <2>[ 42.248068] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 42.256725] BUG: unable to handle page fault for address: ffffffff89af8940 <1>[ 42.264695] #PF: supervisor instruction fetch in kernel mode <1>[ 42.271307] #PF: error_code(0x0011) - permissions violation <6>[ 42.277812] PGD 132629067 P4D 132629067 PUD 13262a063 PMD 8000000131e000e1 <4>[ 42.285882] Oops: 0011 [#9] SMP PTI <4>[ 42.290064] CPU: 3 PID: 1722 Comm: cat Tainted: G D W 5.10.204-cip41 #1 <4>[ 42.299003] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 42.306103] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 <4>[ 42.312132] Code: ff ff cd 0b 06 89 ff ff ff ff b2 2c f8 89 ff ff ff ff 13 f3 05 89 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>[ 42.333401] RSP: 0018:ffffa86a823d7e48 EFLAGS: 00010246 <4>[ 42.339538] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 <4>[ 42.347799] RDX: 0000000000000000 RSI: ffff9023bad9bf50 RDI: ffff9023bad9bf50 <4>[ 42.356060] RBP: ffffffff89af8940 R08: 0000000000000000 R09: 0000000000000000 <4>[ 42.364322] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c <4>[ 42.372584] R13: ffffa86a823d7f10 R14: ffffa86a823d7f10 R15: ffff9023441c8000 <4>[ 42.380847] FS: 00007fec57124580(0000) GS:ffff9023bad80000(0000) knlGS:0000000000000000 <4>[ 42.390179] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 42.396878] CR2: ffffffff89af8940 CR3: 000000010097e001 CR4: 00000000003706e0 <4>[ 42.405141] Call Trace: <4>[ 42.408160] ? __die_body.cold+0x1a/0x1f <4>[ 42.412830] ? no_context+0x177/0x380 <4>[ 42.417210] ? exc_page_fault+0xd7/0x170 <4>[ 42.421877] ? asm_exc_page_fault+0x1e/0x30 <4>[ 42.426841] ? execute_location+0x45/0x56 <4>[ 42.431605] ? direct_entry.cold+0x2c/0x38 <4>[ 42.436491] ? full_proxy_write+0x53/0x80 <4>[ 42.441259] ? vfs_write+0xe7/0x3b0 <4>[ 42.445435] ? ksys_write+0x68/0xf0 <4>[ 42.449619] ? do_syscall_64+0x30/0x40 <4>[ 42.454093] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 ping OVERWRITE_ALLOCATION: Corrupts memory on failure ok 18 sel<4>[ 42.460213] 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_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 42.519207] CR2: ffffffff89af8940 <4>[ 42.523196] ---[ end trace 74b841559c2f9307 ]--- <4>[ 42.528641] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 42.533310] Code: 89 ff e8 be d5 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 b0 7f 0b 03 <4>[ 42.554574] RSP: 0018:ffffa86a8134fe60 EFLAGS: 00010282 <4>[ 42.560715] RAX: ffffffff8897bd40 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 42.568976] RDX: 0000000000000000 RSI: ffff9023bad9bf50 RDI: ffffffff89af84b0 <4>[ 42.577236] RBP: ffffffff89fe8c28 R08: 0000000000000001 R09: 0000000000000001 <4>[ 42.585497] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 42.593757] R13: ffffa86a8134ff10 R14: ffffa86a8134ff10 R15: ffff902343e7b000 <4>[ 42.602017] FS: 00007fec57124580(0000) GS:ffff9023bad80000(0000) knlGS:0000000000000000 <4>[ 42.611346] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 42.618051] CR2: ffffffff89af8940 CR3: 000000010097e001 CR4: 00000000003706e0 <3>[ 42.626313] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 42.636508] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1722, name: cat <4>[ 42.645255] INFO: lockdep is turned off. <4>[ 42.649923] irq event stamp: 0 <4>[ 42.653620] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 42.660901] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 42.670327] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 42.679754] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 42.687036] CPU: 3 PID: 1722 Comm: cat Tainted: G D W 5.10.204-cip41 #1 <4>[ 42.695978] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 42.703071] Call Trace: <4>[ 42.706090] dump_stack+0x77/0x9b <4>[ 42.710079] ___might_sleep.cold+0xa6/0xb6 <4>[ 42.714935] exit_signals+0x1c/0x300 <4>[ 42.719215] do_exit+0xc2/0xab0 <4>[ 42.723011] ? ksys_write+0x68/0xf0 <4>[ 42.727185] make_task_dead+0x2f/0x30 <4>[ 42.731553] rewind_stack_and_make_dead+0x17/0x20 <4>[ 42.737095] RIP: 0033:0x7fec5703a473 <4>[ 42.741374] 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>[ 42.762640] RSP: 002b:00007ffc1943ae08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 42.771388] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fec5703a473 <4>[ 42.779638] RDX: 000000000000000c RSI: 00007fec56f2e000 RDI: 0000000000000001 <4>[ 42.787898] RBP: 00007fec56f2e000 R08: 00007fec56f2d010 R09: 0000000000000000 <4>[ 42.796160] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 42.804421] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ftests: lkdtm: OVERWRITE_ALLOCATION.sh # SKIP # selftests: lkdtm: WRITE_AFTER_FREE.sh # Skipping WRITE_AFTER_FREE: Corrupts memory on failure ok 19 selftests: lkdtm: WRITE_AFTER_FREE.sh # SKIP # selftests: lkdtm: READ_AFTER_FREE.sh # [ 38.932098] lkdtm: Performing direct entry READ_AFTER_FREE # [ 38.941318] lkdtm: Value in memory before free: 12345678 # [ 38.953784] lkdtm: Attempting bad read from freed memory # [ 38.966194] 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 # [ 39.101537] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 39.114804] lkdtm: Value in memory before free: 12345678 # [ 39.121064] lkdtm: Attempting to read from freed memory # [ 39.127217] 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 # [ 39.242671] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 39.250920] lkdtm: Attempting double slab free ... # SLAB_FREE_DOUBLE: missing 'call trace:': [FAIL] not ok 23 selftests: lkdtm:<6>[ 42.943282] lkdtm: Performing direct entry EXEC_USERSPACE <6>[ 42.955785] lkdtm: attempting ok execution at ffffffff8897c110 <6>[ 42.962616] lkdtm: attempting bad execution at 00007ff3bdf86000 <2>[ 42.969565] unable to execute userspace code (SMEP?) (uid: 0) SLAB_FREE_DOUBLE.sh # exit=1 # selftests: lkdtm: SLAB_FREE_CRO<1>[ 42.976280] BUG: unable to handle page fault for address: 00007ff3bdf86000 <1>[ 42.990467] #PF: supervisor instruction fetch in kernel mode SS.sh # [ 39.366610] lkdtm: Performing direct entry SLAB_FREE<1>[ 42.997079] #PF: error_code(0x0011) - permissions violation _CROSS # [ 39.374925] lkdtm: Attempting cross-cache slab free<6>[ 43.009807] PGD 8000000106477067 P4D 8000000106477067 PUD 103009067 PMD 1047e3067 PTE 106835067 <4>[ 43.026038] Oops: 0011 [#10] SMP PTI <4>[ 43.030320] CPU: 3 PID: 1759 Comm: cat Tainted: G D W 5.10.204-cip41 #1 <4>[ 43.039263] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 43.046365] RIP: 0010:0x7ff3bdf86000 ... # SLAB_FREE_CROSS: missing 'call trace:': [FAIL] not ok 2<4>[ 43.050645] Code: Unable to access opcode bytes at RIP 0x7ff3bdf85fd6. <4>[ 43.064443] RSP: 0018:ffffa86a824a7e50 EFLAGS: 00010246 <4>[ 43.070567] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 <4>[ 43.078827] RDX: 0000000000000000 RSI: ffff9023bad9bf50 RDI: ffff9023bad9bf50 <4>[ 43.087089] RBP: 00007ff3bdf86000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 43.095348] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f <4>[ 43.103610] R13: ffffa86a824a7f10 R14: ffffa86a824a7f10 R15: ffff9023440d6000 <4>[ 43.111870] FS: 00007ff3bdf57580(0000) GS:ffff9023bad80000(0000) knlGS:0000000000000000 <4>[ 43.121200] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 43.127908] CR2: 00007ff3bdf86000 CR3: 0000000103904003 CR4: 00000000003706e0 <4>[ 43.136168] Call Trace: <4>[ 43.139189] ? __die_body.cold+0x1a/0x1f <4>[ 43.143859] ? no_context+0x177/0x380 <4>[ 43.148237] ? exc_page_fault+0x53/0x170 <4>[ 43.152905] ? asm_exc_page_fault+0x1e/0x30 <4>[ 43.157869] ? lkdtm_EXEC_USERSPACE.cold+0x66/0xae <4>[ 43.163507] ? direct_entry.cold+0x2c/0x38 <4>[ 43.168372] ? full_proxy_write+0x53/0x80 <4>[ 43.173138] ? vfs_write+0xe7/0x3b0 <4>[ 43.177313] ? ksys_write+0x68/0xf0 <4>[ 43.181496] ? do_syscall_64+0x30/0x40 <4>[ 43.185971] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 4 selftests: lkdtm: SLAB_FREE_CROSS.sh # exit=1 # selftests: lk<4>[ 43.192098] 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_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 43.251087] CR2: 00007ff3bdf86000 <4>[ 43.255076] ---[ end trace 74b841559c2f9308 ]--- <4>[ 43.260514] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 43.265182] Code: 89 ff e8 be d5 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 b0 7f 0b 03 <4>[ 43.286448] RSP: 0018:ffffa86a8134fe60 EFLAGS: 00010282 <4>[ 43.292563] RAX: ffffffff8897bd40 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 43.300823] RDX: 0000000000000000 RSI: ffff9023bad9bf50 RDI: ffffffff89af84b0 <4>[ 43.309084] RBP: ffffffff89fe8c28 R08: 0000000000000001 R09: 0000000000000001 <4>[ 43.317344] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 43.325603] R13: ffffa86a8134ff10 R14: ffffa86a8134ff10 R15: ffff902343e7b000 <4>[ 43.333863] FS: 00007ff3bdf57580(0000) GS:ffff9023bad80000(0000) knlGS:0000000000000000 <4>[ 43.343192] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 43.349900] CR2: 00007ff3bdf86000 CR3: 0000000103904003 CR4: 00000000003706e0 dtm: SLAB_FREE_PAGE.sh # [ 39.472974] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 39.480596] 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 # [ 39.697911] lkdtm: Performing direct entry EXEC_DATA # [ 39.709863] lkdtm: attempting ok execution at ffffffff8897c110 # [ 39.716730] lkdtm: attempting bad execution at ffffffff8ba33d40 # [ 39.723651] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 39.738505] BUG: unable to handle page fault for address: ffffffff8ba33d40 # [ 39.746490] #PF: supervisor instruction fetch in kernel mode # [ 39.753100] #PF: error_code(0x0011) - permissions violation <6>[ 43.477222] lkdtm: Performing direct entry EXEC_NULL # [ 39.759614] PGD 132629067 P4D 132629067 PUD 13262a063 PMD <6>[ 43.488449] lkdtm: attempting ok execution at ffffffff8897c110 8000000133e000e3 # [ 39.767684] Oops: 0011 [#5] SMP PTI # [<6>[ 43.501494] lkdtm: attempting bad execution at 0000000000000000 39.771858] CPU: 3 PID: 1574 Comm: cat Tainted: G D W <1>[ 43.514620] BUG: kernel NULL pointer dereference, address: 0000000000000000 <1>[ 43.528900] #PF: supervisor instruction fetch in kernel mode 5.10.204-cip41 #1 # [ 39.780797] Hardware name: Google R<1>[ 43.535512] #PF: error_code(0x0010) - not-present page am[ 43.547754] PGD 0 P4D 0 <4>[ 43.557089] Oops: 0010 [#11] SMP PTI <4>[ 43.561368] CPU: 1 PID: 1796 Comm: cat Tainted: G D W 5.10.204-cip41 #1 <4>[ 43.570310] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 43.577398] RIP: 0010:0x0 <4>[ 43.580610] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. <4>[ 43.588579] RSP: 0018:ffffa86a82507e48 EFLAGS: 00010246 <4>[ 43.594704] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 <4>[ 43.602964] RDX: 0000000000000000 RSI: ffff9023bac9bf50 RDI: ffff9023bac9bf50 <4>[ 43.611226] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 43.619489] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a <4>[ 43.627741] R13: ffffa86a82507f10 R14: ffffa86a82507f10 R15: ffff90234639b000 <4>[ 43.636002] FS: 00007fd3c86e1580(0000) GS:ffff9023bac80000(0000) knlGS:0000000000000000 <4>[ 43.645332] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 43.652030] CR2: ffffffffffffffd6 CR3: 000000010639c005 CR4: 00000000003706e0 <4>[ 43.660291] Call Trace: ar[ 43.663312] ? __die_body.cold+0x1a/0x1f <4>[ 43.674198] ? no_context+0x177/0x380 ff 00 21 d2 44 23 90 ff ff 00 00 00 00 00 00 00 00 00 00 00 00 <4>[ 43.678580] ? exc_page_fault+0x53/0x170 <4>[ 43.689460] ? asm_exc_page_fault+0x1e/0x30 00 00 00 00 00 00 00 00 00 00 00 00 <0f> 1f 44 00 00 c3 cc cc cc<4>[ 43.694441] execute_location+0x45/0x56 <4>[ 43.705221] direct_entry.cold+0x2c/0x38 <4>[ 43.709891] full_proxy_write+0x53/0x80 cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 # [ 39.813837] RSP: 0<4>[ 43.714483] vfs_write+0xe7/0x3b0 <4>[ 43.724690] ksys_write+0x68/0xf0 <4>[ 43.728680] do_syscall_64+0x30/0x40 <4>[ 43.732961] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 43.738883] RIP: 0033:0x7fd3c85f7473 <4>[ 43.743154] 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>[ 43.764429] RSP: 002b:00007ffddcd75348 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 43.773177] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fd3c85f7473 <4>[ 43.781438] RDX: 000000000000000a RSI: 00007fd3c84eb000 RDI: 0000000000000001 <4>[ 43.789700] RBP: 00007fd3c84eb000 R08: 00007fd3c84ea010 R09: 0000000000000000 <4>[ 43.797961] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 43.806222] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 018:ffffa86a821a7e48 EFLAGS: 00010246 # [ 39.819954] RAX: 000<4>[ 43.814492] 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_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 43.873439] CR2: 0000000000000000 <4>[ 43.877428] ---[ end trace 74b841559c2f9309 ]--- <4>[ 43.882874] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 43.887541] Code: 89 ff e8 be d5 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 b0 7f 0b 03 <4>[ 43.908815] RSP: 0018:ffffa86a8134fe60 EFLAGS: 00010282 <4>[ 43.914931] RAX: ffffffff8897bd40 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 43.923192] RDX: 0000000000000000 RSI: ffff9023bad9bf50 RDI: ffffffff89af84b0 <4>[ 43.931454] RBP: ffffffff89fe8c28 R08: 0000000000000001 R09: 0000000000000001 <4>[ 43.939706] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 43.947967] R13: ffffa86a8134ff10 R14: ffffa86a8134ff10 R15: ffff902343e7b000 <4>[ 43.956227] FS: 00007fd3c86e1580(0000) GS:ffff9023bac80000(0000) knlGS:0000000000000000 <4>[ 43.965555] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 43.972262] CR2: ffffffffffffffd6 CR3: 000000010639c005 CR4: 00000000003706e0 <3>[ 43.980537] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 43.990744] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1796, name: cat <4>[ 43.999489] INFO: lockdep is turned off. <4>[ 44.004158] irq event stamp: 0 <4>[ 44.007854] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 44.015144] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 44.024570] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 44.033995] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 44.041285] CPU: 1 PID: 1796 Comm: cat Tainted: G D W 5.10.204-cip41 #1 <4>[ 44.050224] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 44.057317] Call Trace: <4>[ 44.060335] dump_stack+0x77/0x9b 0000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ <4>[ 44.064327] ___might_sleep.cold+0xa6/0xb6 <4>[ 44.075401] exit_signals+0x1c/0x300 39.828213] RDX: 0000000000000000 RSI: ffff9023bad9bf50 RDI: fff<4>[ 44.079682] do_exit+0xc2/0xab0 <4>[ 44.089691] ? ksys_write+0x68/0xf0 <4>[ 44.093874] make_task_dead+0x2f/0x30 <4>[ 44.098250] rewind_stack_and_make_dead+0x17/0x20 <4>[ 44.103794] RIP: 0033:0x7fd3c85f7473 <4>[ 44.108065] 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>[ 44.129329] RSP: 002b:00007ffddcd75348 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 44.138077] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fd3c85f7473 <4>[ 44.146329] RDX: 000000000000000a RSI: 00007fd3c84eb000 RDI: 0000000000000001 <4>[ 44.154589] RBP: 00007fd3c84eb000 R08: 00007fd3c84ea010 R09: 0000000000000000 <4>[ 44.162850] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 44.171110] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 f9023bad9bf50 # [ 39.836490] RBP: ffffffff8ba33d40 R08: 0000000000000000 R09: 0000000000000000 # [ 39.844752] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 39.853012] R13: ffffa86a821a7f10 R14: ffffa86a821a7f10 R15: ffff90234419c000 # [ 39.861273] FS: 00007fd869dcf580(0000) GS:ffff9023bad80000(0000) knlGS:0000000000000000 # [ 39.870604] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 39.877301] CR2: ffffffff8ba33d40 CR3: 0000000106564001 CR4: 00000000003706e0 # [ 39.885563] Call Trace: # [ 39.888583] ? __die_body.cold+0x1a/0x1f # [ 39.893253] ? no_context+0x177/0x380 # [ 39.897633] ? exc_page_fault+0xd7/0x170 # [ 39.902302] ? asm_exc_page_fault+0x1e/0x30 # [ 39.907266] ? execute_location+0x45/0x56 # [ 39.912031] ? direct_entry.cold+0x2c/0x38 # [ 39.916895] ? full_proxy_write+0x53/0x80 # [ 39.921661] ? vfs_write+0xe7/0x3b0 # [ 39.925835] ? ksys_write+0x68/0xf0 # [ 39.930019] ? do_syscall_64+0x30/0x40 # [ 39.934492] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 39.940617] 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_sysfs cros_ec_lightbar cros_ec<6>[ 44.301643] lkdtm: Performing direct entry ACCESS_USERSPACE <6>[ 44.310317] lkdtm: attempting bad read at 00007f687b896000 _chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_de<1>[ 44.316753] BUG: unable to handle page fault for address: 00007f687b896000 <1>[ 44.330924] #PF: supervisor read access in kernel mode <1>[ 44.336952] #PF: error_code(0x0001) - permissions violation bu[ 44.343464] PGD 8000000104917067 P4D 8000000104917067 PUD 1065db067 PMD 1041e3067 PTE 108467067 <4>[ 44.359694] Oops: 0001 [#12] SMP PTI <4>[ 44.363975] CPU: 3 PID: 1832 Comm: cat Tainted: G D W 5.10.204-cip41 #1 <4>[ 44.372918] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 44.380007] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 <4>[ 44.386539] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 d0 39 f8 89 e8 25 d8 fb ff 48 c7 c7 f8 39 f8 89 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 0c d8 fb ff 48 89 ee 48 c7 c7 20 3a f8 <4>[ 44.407806] RSP: 0018:ffffa86a825d7e48 EFLAGS: 00010246 <4>[ 44.413928] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 <4>[ 44.422189] RDX: 0000000000000000 RSI: ffff9023bad9bf50 RDI: ffffffff89f839f8 <4>[ 44.430449] RBP: 00007f687b896000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 44.438710] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 <4>[ 44.446970] R13: ffffa86a825d7f10 R14: ffffa86a825d7f10 R15: ffff902343ba4000 <4>[ 44.455230] FS: 00007f687b867580(0000) GS:ffff9023bad80000(0000) knlGS:0000000000000000 <4>[ 44.464560] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 44.471265] CR2: 00007f687b896000 CR3: 0000000105802001 CR4: 00000000003706e0 <4>[ 44.479534] Call Trace: <4>[ 44.482555] ? __die_body.cold+0x1a/0x1f <4>[ 44.487225] ? no_context+0x177/0x380 <4>[ 44.491594] ? exc_page_fault+0x53/0x170 <4>[ 44.496263] ? asm_exc_page_fault+0x1e/0x30 <4>[ 44.501224] ? lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 <4>[ 44.507056] ? lkdtm_ACCESS_USERSPACE.cold+0x35/0xa3 <4>[ 44.512889] direct_entry.cold+0x2c/0x38 <4>[ 44.517560] full_proxy_write+0x53/0x80 <4>[ 44.522132] vfs_write+0xe7/0x3b0 <4>[ 44.526120] ksys_write+0x68/0xf0 <4>[ 44.530110] do_syscall_64+0x30/0x40 <4>[ 44.534391] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 44.540312] RIP: 0033:0x7f687b77d473 <4>[ 44.544592] 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>[ 44.565867] RSP: 002b:00007ffcc0cf1ea8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 44.574604] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f687b77d473 <4>[ 44.582865] RDX: 0000000000000011 RSI: 00007f687b671000 RDI: 0000000000000001 <4>[ 44.591126] RBP: 00007f687b671000 R08: 00007f687b670010 R09: 0000000000000000 <4>[ 44.599387] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 44.607647] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal c<4>[ 44.615911] 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_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 44.674907] CR2: 00007f687b896000 <4>[ 44.678895] ---[ end trace 74b841559c2f930a ]--- <4>[ 44.684340] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 44.689009] Code: 89 ff e8 be d5 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 b0 7f 0b 03 <4>[ 44.710284] RSP: 0018:ffffa86a8134fe60 EFLAGS: 00010282 <4>[ 44.716410] RAX: ffffffff8897bd40 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 44.724672] RDX: 0000000000000000 RSI: ffff9023bad9bf50 RDI: ffffffff89af84b0 <4>[ 44.732933] RBP: ffffffff89fe8c28 R08: 0000000000000001 R09: 0000000000000001 <4>[ 44.741195] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 44.749455] R13: ffffa86a8134ff10 R14: ffffa86a8134ff10 R15: ffff902343e7b000 <4>[ 44.757717] FS: 00007f687b867580(0000) GS:ffff9023bad80000(0000) knlGS:0000000000000000 <4>[ 44.767046] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 44.773751] CR2: 00007f687b896000 CR3: 0000000105802001 CR4: 00000000003706e0 ros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 39.999611] CR2: ffffffff8ba33d40 # [ 40.003600] ---[ end trace 74b841559c2f9303 ]--- # [ 40.009036] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 40.013705] Code: 89 ff e8 be d5 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 b0 7f 0b 03 # [ 40.034972] RSP: 0018:ffffa86a8134fe60 EFLAGS: 00010282 # [ 40.041088] RAX: ffffffff8897bd40 RBX: 0000000000000001 RCX: 0000000000000000 # [ 40.049347] RDX: 0000000000000000 RSI: ffff9023bad9bf50 RDI: ffffffff89af84b0 # [ 40.057608] RBP: ffffffff89fe8c28 R08: 0000000000000001 R09: 0000000000000001 # [ 40.065868] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 40.074129] R13: ffffa86a8134ff10 R14: ffffa86a8134ff10 R15: ffff902343e7b000 # [ 40.082388] FS: 00007fd869dcf580(0000) GS:ffff9023bad80000(0000) knlGS:0000000000000000 # [ 40.091716] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 40.098422] CR2: ffffffff8ba33d40 CR3: 0000000106564001 CR4: 00000000003706e0 # [ 40.106682] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 40.116884] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1574, name: cat # [ 40.125630] INFO: lockdep is turned off. # [ <6>[ 44.924520] lkdtm: Performing direct entry ACCESS_NULL <6>[ 44.931154] lkdtm: attempting bad read at 0000000000000000 <1>[ 44.937585] BUG: kernel NULL pointer dereference, address: 0000000000000000 <1>[ 44.945658] #PF: supervisor read access in kernel mode <1>[ 44.951688] #PF: error_code(0x0000) - not-present page <6>[ 44.957708] PGD 0 P4D 0 <4>[ 44.960826] Oops: 0000 [#13] SMP PTI <4>[ 44.965099] CPU: 3 PID: 1868 Comm: cat Tainted: G D W 5.10.204-cip41 #1 <4>[ 44.974041] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 4<0.130296] irq event stamp: 0 # [ 40.133994] hardirqs last 4>[ 44.981142] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 <4>[ 44.992902] Code: c9 d7 fb ff be 00 10 00 00 48 89 ef e8 f8 6c 0a ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 d0 39 f8 89 e8 a3 d7 fb ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 f8 39 f8 89 48 01 <4>[ 45.014179] RSP: 0018:ffffa86a82677e58 EFLAGS: 00010246 <4>[ 45.020297] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 <4>[ 45.028549] RDX: 0000000000000000 RSI: ffff9023bad9bf50 RDI: ffff9023bad9bf50 <4>[ 45.036810] RBP: ffffffff89f82ac1 R08: 0000000000000000 R09: 0000000000000000 <4>[ 45.045071] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c <4>[ 45.053332] R13: ffffa86a82677f10 R14: ffffa86a82677f10 R15: ffff902343b67000 <4>[ 45.061593] FS: 00007f1831aa0580(0000) GS:ffff9023bad80000(0000) knlGS:0000000000000000 <4>[ 45.070922] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 45.077630] CR2: 0000000000000000 CR3: 00000001047ee005 CR4: 00000000003706e0 <4>[ 45.085892] Call Trace: <4>[ 45.088914] ? __die_body.cold+0x1a/0x1f <4>[ 45.093584] ? no_context+0x177/0x380 <4>[ 45.097965] ? exc_page_fault+0x53/0x170 <4>[ 45.102633] ? asm_exc_page_fault+0x1e/0x30 <4>[ 45.107595] ? lkdtm_ACCESS_NULL+0x14/0x53 <4>[ 45.112458] ? lkdtm_ACCESS_NULL+0x14/0x53 <4>[ 45.117345] direct_entry.cold+0x2c/0x38 <4>[ 45.122015] full_proxy_write+0x53/0x80 <4>[ 45.126588] vfs_write+0xe7/0x3b0 <4>[ 45.130577] ksys_write+0x68/0xf0 <4>[ 45.134557] do_syscall_64+0x30/0x40 <4>[ 45.138830] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 45.144761] RIP: 0033:0x7f18319b6473 <4>[ 45.149039] 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>[ 45.170315] RSP: 002b:00007ffc42ec80a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 45.179063] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f18319b6473 <4>[ 45.187325] RDX: 000000000000000c RSI: 00007f18318aa000 RDI: 0000000000000001 <4>[ 45.195586] RBP: 00007f18318aa000 R08: 00007f18318a9010 R09: 0000000000000000 <4>[ 45.203847] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 45.212108] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 enabled at (0): [<0000000000000000>] 0x0 # [ 40.141275] hardi<4>[ 45.220372] 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_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 45.279369] CR2: 0000000000000000 <4>[ 45.283358] ---[ end trace 74b841559c2f930b ]--- <4>[ 45.288803] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 45.293492] Code: 89 ff e8 be d5 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 b0 7f 0b 03 <4>[ 45.314768] RSP: 0018:ffffa86a8134fe60 EFLAGS: 00010282 <4>[ 45.320893] RAX: ffffffff8897bd40 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 45.329154] RDX: 0000000000000000 RSI: ffff9023bad9bf50 RDI: ffffffff89af84b0 <4>[ 45.337416] RBP: ffffffff89fe8c28 R08: 0000000000000001 R09: 0000000000000001 <4>[ 45.345677] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 45.353938] R13: ffffa86a8134ff10 R14: ffffa86a8134ff10 R15: ffff902343e7b000 <4>[ 45.362200] FS: 00007f1831aa0580(0000) GS:ffff9023bad80000(0000) knlGS:0000000000000000 <4>[ 45.371536] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 45.378245] CR2: 0000000000000000 CR3: 00000001047ee005 CR4: 00000000003706e0 <3>[ 45.386507] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 45.396711] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1868, name: cat <4>[ 45.405457] INFO: lockdep is turned off. <4>[ 45.410123] irq event stamp: 0 <4>[ 45.413821] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 45.421104] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 45.430537] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 45.439963] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 45.447253] CPU: 3 PID: 1868 Comm: cat Tainted: G D W 5.10.204-cip41 #1 <4>[ 45.456193] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 45.463288] Call Trace: <4>[ 45.466306] dump_stack+0x77/0x9b <4>[ 45.470297] ___might_sleep.cold+0xa6/0xb6 <4>[ 45.475161] exit_signals+0x1c/0x300 <4>[ 45.479442] do_exit+0xc2/0xab0 <4>[ 45.483237] ? ksys_write+0x68/0xf0 <4>[ 45.487420] make_task_dead+0x2f/0x30 <4>[ 45.491799] rewind_stack_and_make_dead+0x17/0x20 <4>[ 45.497341] RIP: 0033:0x7f18319b6473 <4>[ 45.501619] 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>[ 45.522893] RSP: 002b:00007ffc42ec80a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 45.531639] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f18319b6473 <4>[ 45.539901] RDX: 000000000000000c RSI: 00007f18318aa000 RDI: 0000000000000001 <4>[ 45.548160] RBP: 00007f18318aa000 R08: 00007f18318a9010 R09: 0000000000000000 <4>[ 45.556420] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 45.564681] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 rqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 40.150693] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 40.160118] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 40.167408] CPU: 3 PID: 1574 Comm: cat Tainted: G D W 5.10.204-cip41 #1 # [ 40.176347] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 40.183442] Call Trace: # [ 40.186460] dump_stack+0x77/0x9b # [ 40.190475] ___might_sleep.cold+0xa6/0xb6 # [ 40.201553] exit_signals+0x1c/0x300 # [ 40.205831] do_exit+0xc2/0xab0 # [ 40.209625] ? ksys_write+0x68/0xf0 # [ 40.213808] make_task_dead+0x2f/0x30 # [ 40.218186] rewind_stack_and_make_dead+0x17/0x20 # [ 40.223727] RIP: 0033:0x7fd869ce5473 # [ 40.228006] 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 # [ 40.249271] RSP: 002b:00007ffcf6882c88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 40.258009] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fd869ce5473 # [ 40.266268] RDX: 000000000000000a RSI: 00007fd869bd9000 RDI: 0000000000000001 # [ 40.274537] RBP: 00007fd869bd9000 R08: 00007fd869bd8010 R09: 0000000000000000 # [ 40.282796] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 40.291057] R13: 000000000000000<6>[ 45.713448] lkdtm: Performing direct entry WRITE_RO <6>[ 45.721670] lkdtm: attempting bad rodata write at ffffffff89af8930 <1>[ 45.728900] BUG: unable to handle page fault for address: ffffffff89af8930 <1>[ 45.736900] #PF: supervisor write access in kernel mode <1>[ 45.743027] #PF: error_code(0x0003) - permissions violation <6>[ 45.749540] PGD 132629067 P4D 132629067 PUD 13262a063 PMD 8000000131e000e1 1 R14: 0000000000020000 R15: 0000000000020000 # EXEC_DATA: saw <4>[ 45.757610] Oops: 0003 [#14] SMP PTI <4>[ 45.768104] CPU: 3 PID: 1904 Comm: cat Tainted: G D W 5.10.204-cip41 #1 <4>[ 45.777045] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 45.784146] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a 'call trace:': ok ok 30 selftests: lkdtm: EXEC_DATA.sh # selft<4>[ 45.789398] Code: 00 48 c7 c7 b0 38 f8 89 48 c7 c6 30 89 af 89 e8 4d da fb ff 48 8b 05 d2 92 a9 00 ba 34 12 cd ab 48 c7 c7 e0 38 f8 89 48 31 d0 <48> 89 05 bc 92 a9 00 e9 2b da fb ff 0f 1f 44 00 00 48 8b 05 cb bc <4>[ 45.816885] RSP: 0018:ffffa86a8271fe60 EFLAGS: 00010202 <4>[ 45.823010] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 <4>[ 45.831269] RDX: 00000000abcd1234 RSI: ffff9023bad9bf50 RDI: ffffffff89f838e0 <4>[ 45.839540] RBP: ffffffff89f82acd R08: 0000000000000000 R09: 0000000000000000 <4>[ 45.847801] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 <4>[ 45.856060] R13: ffffa86a8271ff10 R14: ffffa86a8271ff10 R15: ffff90234391b000 <4>[ 45.864322] FS: 00007fb242633580(0000) GS:ffff9023bad80000(0000) knlGS:0000000000000000 <4>[ 45.873649] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 45.880355] CR2: ffffffff89af8930 CR3: 0000000104630003 CR4: 00000000003706e0 <4>[ 45.888617] Call Trace: <4>[ 45.891638] ? __die_body.cold+0x1a/0x1f <4>[ 45.896309] ? no_context+0x177/0x380 <4>[ 45.900688] ? exc_page_fault+0xd7/0x170 <4>[ 45.905357] ? asm_exc_page_fault+0x1e/0x30 <4>[ 45.910318] ? lkdtm_WRITE_RO+0x2e/0x3a <4>[ 45.914890] direct_entry.cold+0x2c/0x38 <4>[ 45.919552] full_proxy_write+0x53/0x80 <4>[ 45.924124] vfs_write+0xe7/0x3b0 <4>[ 45.928114] ksys_write+0x68/0xf0 <4>[ 45.932102] do_syscall_64+0x30/0x40 <4>[ 45.936372] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 45.942304] RIP: 0033:0x7fb242549473 <4>[ 45.946582] 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>[ 45.967855] RSP: 002b:00007ffdefd3b078 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 45.976594] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007fb242549473 <4>[ 45.984855] RDX: 0000000000000009 RSI: 00007fb24243d000 RDI: 0000000000000001 <4>[ 45.993116] RBP: 00007fb24243d000 R08: 00007fb24243c010 R09: 0000000000000000 <4>[ 46.001378] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 46.009639] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ests: lkdtm: EXEC_STACK.sh # Killed # [ 40.428001] lkdtm: Pe<4>[ 46.017903] 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_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 46.076895] CR2: ffffffff89af8930 <4>[ 46.080884] ---[ end trace 74b841559c2f930c ]--- <4>[ 46.086320] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 46.090988] Code: 89 ff e8 be d5 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 b0 7f 0b 03 <4>[ 46.112263] RSP: 0018:ffffa86a8134fe60 EFLAGS: 00010282 <4>[ 46.118388] RAX: ffffffff8897bd40 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 46.126649] RDX: 0000000000000000 RSI: ffff9023bad9bf50 RDI: ffffffff89af84b0 <4>[ 46.134909] RBP: ffffffff89fe8c28 R08: 0000000000000001 R09: 0000000000000001 <4>[ 46.143169] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 46.151430] R13: ffffa86a8134ff10 R14: ffffa86a8134ff10 R15: ffff902343e7b000 <4>[ 46.159690] FS: 00007fb242633580(0000) GS:ffff9023bad80000(0000) knlGS:0000000000000000 <4>[ 46.169018] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 46.175725] CR2: ffffffff89af8930 CR3: 0000000104630003 CR4: 00000000003706e0 rforming direct entry EXEC_STACK # [ 40.435837] lkdtm: attempting ok execution at ffffffff8897c110 # [ 40.442679] lkdtm: attempting bad execution at ffffa86a82247e18 # [ 40.449610] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 40.458269] BUG: unable to handle page fault for address: ffffa86a82247e18 # [ 40.472455] #PF: supervisor instruction fetch in kernel mode # [ 40.479069] #PF: error_code(0x0011) - permissions violation # [ 40.485573] PGD 100000067 P4D 100000067 PUD 100248067 PMD 104643067 PTE 80000001040d1063 # [ 40.501125] Oops: 0011 [#6] SMP PTI # [ 40.505310] CPU: 3 PID: 1611 Comm: cat Tainted: G D W 5.10.204-cip41 #1 # [ 40.514252] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 40.521348] RIP: 0010:0xffffa86a82247e18 # [ 40.526016] Code: 00 00 18 7e 24 82 6a a8 ff ff 2e f6 05 89 ff ff ff ff 20 00 00 00 00 00 00 00 66 2a f8 89 ff ff ff ff 5d f7 05 89 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 # [ 40.547291] RSP: 0018:ffffa86a82247df8 EFLAGS: 00010246 # [ 40.553408] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 40.561669] RDX: 0000000000000000 RSI: ffff9023bad9bf50 RDI: ffff9023bad9bf50 # [ 40.569930] RBP: ffffa86a82247e18 R08: 0000000000000000 R09: 0000000000000000 # [ 40.578191] R10: 00000000ffffe000 R11: 3fffffffff<6>[ 46.319593] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT <6>[ 46.327774] lkdtm: attempting bad ro_after_init write at ffffffff8a00b350 <1>[ 46.335686] BUG: unable to handle page fault for address: ffffffff8a00b350 <1>[ 46.343688] #PF: supervisor write access in kernel mode <1>[ 46.349815] #PF: error_code(0x0003) - permissions violation <6>[ 46.356330] PGD 132629067 P4D 132629067 PUD 13262a063 PMD 10005f063 PTE 800000013240b061 ffffff R12: 000000000000000b # [ 40.586451] R13: ffffa86a8224<4>[ 46.365666] Oops: 0003 [#15] SMP PTI <4>[ 46.376160] CPU: 3 PID: 1940 Comm: cat Tainted: G D W 5.10.204-cip41 #1 <4>[ 46.385102] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 46.392199] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a <4>[ 46.398519] Code: 39 f8 89 e9 ff d9 fb ff 48 c7 c7 38 39 f8 89 e8 f3 d9 fb ff 48 8b 05 98 bc fa 00 ba 34 12 cd ab 48 c7 c7 e0 38 f8 89 48 31 d0 <48> 89 05 82 bc fa 00 e9 d1 d9 fb ff 0f 1f 44 00 00 41 54 48 c7 c7 <4>[ 46.419814] RSP: 0018:ffffa86a82797e60 EFLAGS: 00010202 <4>[ 46.425939] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 <4>[ 46.434197] RDX: 00000000abcd1234 RSI: ffff9023bad9bf50 RDI: ffffffff89f838e0 <4>[ 46.442458] RBP: ffffffff89f82ad6 R08: 0000000000000000 R09: 0000000000000000 <4>[ 46.450718] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 <4>[ 46.458977] R13: ffffa86a82797f10 R14: ffffa86a82797f10 R15: ffff902342950000 <4>[ 46.467239] FS: 00007fcedb0fc580(0000) GS:ffff9023bad80000(0000) knlGS:0000000000000000 <4>[ 46.476568] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 46.483275] CR2: ffffffff8a00b350 CR3: 00000001047ee005 CR4: 00000000003706e0 <4>[ 46.491555] Call Trace: <4>[ 46.494575] ? __die_body.cold+0x1a/0x1f <4>[ 46.499246] ? no_context+0x177/0x380 <4>[ 46.503624] ? exc_page_fault+0xd7/0x170 <4>[ 46.508292] ? asm_exc_page_fault+0x1e/0x30 <4>[ 46.513253] ? lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a <4>[ 46.518891] direct_entry.cold+0x2c/0x38 <4>[ 46.523560] full_proxy_write+0x53/0x80 <4>[ 46.528132] vfs_write+0xe7/0x3b0 <4>[ 46.532122] ksys_write+0x68/0xf0 <4>[ 46.536102] do_syscall_64+0x30/0x40 <4>[ 46.540383] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 46.546315] RIP: 0033:0x7fcedb012473 <4>[ 46.550594] 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>[ 46.571867] RSP: 002b:00007ffe0c1711a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 46.580614] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007fcedb012473 <4>[ 46.588874] RDX: 0000000000000014 RSI: 00007fcedaf06000 RDI: 0000000000000001 <4>[ 46.597134] RBP: 00007fcedaf06000 R08: 00007fcedaf05010 R09: 0000000000000000 <4>[ 46.605395] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 46.613654] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 46.621919] 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_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table 7f10 R14: ffffa86a82247f10 R15: ffff902344767000 # [ 40.59471<4>[ 46.674693] CR2: ffffffff8a00b350 <4>[ 46.684894] ---[ end trace 74b841559c2f930d ]--- <4>[ 46.690340] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 46.695009] Code: 89 ff e8 be d5 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 b0 7f 0b 03 <4>[ 46.716284] RSP: 0018:ffffa86a8134fe60 EFLAGS: 00010282 <4>[ 46.722399] RAX: ffffffff8897bd40 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 46.730658] RDX: 0000000000000000 RSI: ffff9023bad9bf50 RDI: ffffffff89af84b0 <4>[ 46.738917] RBP: ffffffff89fe8c28 R08: 0000000000000001 R09: 0000000000000001 <4>[ 46.747177] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 46.755438] R13: ffffa86a8134ff10 R14: ffffa86a8134ff10 R15: ffff902343e7b000 <4>[ 46.763699] FS: 00007fcedb0fc580(0000) GS:ffff9023bad80000(0000) knlGS:0000000000000000 <4>[ 46.773029] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 46.779734] CR2: ffffffff8a00b350 CR3: 00000001047ee005 CR4: 00000000003706e0 <3>[ 46.787994] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 46.798197] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1940, name: cat <4>[ 46.806944] INFO: lockdep is turned off. <4>[ 46.811610] irq event stamp: 0 <4>[ 46.815305] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 46.822595] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 46.832020] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 46.841447] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 46.848738] CPU: 3 PID: 1940 Comm: cat Tainted: G D W 5.10.204-cip41 #1 <4>[ 46.857678] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 46.864777] Call Trace: <4>[ 46.867795] dump_stack+0x77/0x9b <4>[ 46.871785] ___might_sleep.cold+0xa6/0xb6 <4>[ 46.876649] exit_signals+0x1c/0x300 <4>[ 46.880929] do_exit+0xc2/0xab0 <4>[ 46.884724] ? ksys_write+0x68/0xf0 <4>[ 46.888907] make_task_dead+0x2f/0x30 <4>[ 46.893284] rewind_stack_and_make_dead+0x17/0x20 <4>[ 46.898817] RIP: 0033:0x7fcedb012473 <4>[ 46.903095] 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>[ 46.924367] RSP: 002b:00007ffe0c1711a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 46.933112] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007fcedb012473 <4>[ 46.941373] RDX: 0000000000000014 RSI: 00007fcedaf06000 RDI: 0000000000000001 <4>[ 46.949633] RBP: 00007fcedaf06000 R08: 00007fcedaf05010 R09: 0000000000000000 <4>[ 46.957893] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 46.966152] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 1] FS: 00007f9bcb4e0580(0000) GS:ffff9023bad80000(0000) knlGS:0000000000000000 # [ 40.604041] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 40.610748] CR2: ffffa86a82247e18 CR3: 0000000103cb6005 CR4: 00000000003706e0 # [ 40.619008] Call Trace: # [ 40.622027] ? __die_body.cold+0x1a/0x1f # [ 40.626698] ? no_context+0x177/0x380 # [ 40.631078] ? exc_page_fault+0xd7/0x170 # [ 40.635747] ? asm_exc_page_fault+0x1e/0x30 # [ 40.640721] ? execute_location+0x45/0x56 # [ 40.651700] ? lkdtm_EXEC_STACK+0x26/0x44 # [ 40.656490] ? direct_entry.cold+0x2c/0x38 # [ 40.661348] ? full_proxy_write+0x53/0x80 # [ 40.666112] ? vfs_write+0xe7/0x3b0 # [ 40.670287] ? ksys_write+0x68/0xf0 # [ 40.674489] ? do_syscall_64+0x30/0x40 # [ 40.678964] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 40.685082] 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_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 40.744075] CR2: ffffa86a82247e18 # [ 40.748063] ---[ end trace 74b841559c2f9304 ]--- # [ 40.753509] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 40.758178] Code: 89 ff e8 be d5 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 b0 7f 0b 03 # [ 40.779450] RSP: 0018:ffffa86a8134fe60 EFLAGS: 00010282 # [ 40.785575] RAX: ffffffff8897bd40 RBX: 0000000000000001 RCX: 0000000000000000 # [ 40.793835] RDX: 000000000000000<6>[ 47.157901] lkdtm: Performing direct entry WRITE_KERN <6>[ 47.166870] lkdtm: attempting bad 7222472 byte write at ffffffff8905f5d8 <1>[ 47.174660] BUG: unable to handle page fault for address: ffffffff8905f5d8 0 RSI: ffff9023bad9bf50 RDI: ffffffff89af84b0 # [ 40.802096] <1>[ 47.182655] #PF: supervisor write access in kernel mode <1>[ 47.194995] #PF: error_code(0x0003) - permissions violation <6>[ 47.201500] PGD 132629067 P4D 132629067 PUD 13262a063 PMD 1314000e1 <4>[ 47.208890] Oops: 0003 [#16] SMP PTI <4>[ 47.213171] CPU: 3 PID: 1976 Comm: cat Tainted: G D W 5.10.204-cip41 #1 <4>[ 47.222104] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 47.229204] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e <4>[ 47.234647] Code: 53 48 c7 c3 d8 f5 05 89 49 89 dc 48 89 da 49 81 ec 10 c1 97 88 4c 89 e6 e8 a6 d9 fb ff 48 89 df 4c 89 e1 48 c7 c6 10 c1 97 88 a4 48 c7 c7 e0 38 f8 89 e8 8b d9 fb ff 5b 41 5c e9 b7 fe ff ff <4>[ 47.255923] RSP: 0018:ffffa86a82827e50 EFLAGS: 00010246 <4>[ 47.262049] RAX: 000000000000003c RBX: ffffffff8905f5d8 RCX: 00000000006e34c8 <4>[ 47.270310] RDX: 0000000000000000 RSI: ffffffff8897c110 RDI: ffffffff8905f5d8 <4>[ 47.278573] RBP: ffffffff89f82aea R08: 0000000000000000 R09: 0000000000000000 <4>[ 47.286833] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000006e34c8 <4>[ 47.295093] R13: ffffa86a82827f10 R14: ffffa86a82827f10 R15: ffff902343d6f000 <4>[ 47.303355] FS: 00007ff99f811580(0000) GS:ffff9023bad80000(0000) knlGS:0000000000000000 <4>[ 47.312675] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 47.319381] CR2: ffffffff8905f5d8 CR3: 0000000106488001 CR4: 00000000003706e0 <4>[ 47.327642] Call Trace: <4>[ 47.330663] ? __die_body.cold+0x1a/0x1f <4>[ 47.335332] ? no_context+0x177/0x380 <4>[ 47.339711] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 <4>[ 47.345449] ? exc_page_fault+0xd7/0x170 <4>[ 47.350117] ? asm_exc_page_fault+0x1e/0x30 <4>[ 47.355077] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 <4>[ 47.360806] ? lkdtm_SLAB_FREE_PAGE+0x40/0x40 <4>[ 47.365958] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 <4>[ 47.371694] ? lkdtm_WRITE_KERN+0x38/0x4e <4>[ 47.376450] direct_entry.cold+0x2c/0x38 <4>[ 47.381122] full_proxy_write+0x53/0x80 <4>[ 47.385695] vfs_write+0xe7/0x3b0 <4>[ 47.389684] ksys_write+0x68/0xf0 <4>[ 47.393664] do_syscall_64+0x30/0x40 <4>[ 47.397936] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 47.403865] RIP: 0033:0x7ff99f727473 <4>[ 47.408143] 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>[ 47.429420] RSP: 002b:00007ffd72b4bb28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 47.438167] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007ff99f727473 <4>[ 47.446428] RDX: 000000000000000b RSI: 00007ff99f61b000 RDI: 0000000000000001 <4>[ 47.454689] RBP: 00007ff99f61b000 R08: 00007ff99f61a010 R09: 0000000000000000 <4>[ 47.462950] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 47.471210] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 RBP: ffffffff89fe8c28 R08: 0000000000000001 R09: 000000000000000<4>[ 47.479492] 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_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 47.538450] CR2: ffffffff8905f5d8 <4>[ 47.542439] ---[ end trace 74b841559c2f930e ]--- <4>[ 47.547882] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 47.552549] Code: 89 ff e8 be d5 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 b0 7f 0b 03 <4>[ 47.573824] RSP: 0018:ffffa86a8134fe60 EFLAGS: 00010282 <4>[ 47.579949] RAX: ffffffff8897bd40 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 47.588210] RDX: 0000000000000000 RSI: ffff9023bad9bf50 RDI: ffffffff89af84b0 <4>[ 47.596488] RBP: ffffffff89fe8c28 R08: 0000000000000001 R09: 0000000000000001 <4>[ 47.604749] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 47.613009] R13: ffffa86a8134ff10 R14: ffffa86a8134ff10 R15: ffff902343e7b000 <4>[ 47.621270] FS: 00007ff99f811580(0000) GS:ffff9023bad80000(0000) knlGS:0000000000000000 <4>[ 47.630600] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 47.637306] CR2: ffffffff8905f5d8 CR3: 0000000106488001 CR4: 00000000003706e0 1 # [ 40.810355] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 40.818616] R13: ffffa86a8134ff10 R14: ffffa86a8134ff10 R15: ffff902343e7b000 # [ 40.826878] FS: 00007f9bcb4e0580(0000) GS:ffff9023bad80000(0000) knlGS:0000000000000000 # [ 40.836207] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 40.842914] CR2: ffffa86a82247e18 CR3: 0000000103cb6005 CR4: 00000000003706e0 # EXEC_STACK: saw 'call trace:': ok ok 31 selftests: lkdtm: EXEC_STACK.sh # selftests: lkdtm: EXEC_KMALLOC.sh # Killed # [ 40.973286] lkdtm: Performing direct entry EXEC_KMALLOC # [ 40.981819] lkdtm: attempting ok execution at ffffffff8897c110 # [ 40.988636] lkdtm: attempting bad execution at ffff902343d443c0 # [ 40.995557] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 41.004215] BUG: unable to handle page fault for address: ffff902343d443c0 # [ 41.012185] #PF: supervisor instruction fetch in kernel mode # [ 41.018794] #PF: error_code(0x0011) - permissions violation # [ 41.025306] PGD 134001067 P4D 134001067 PUD 10024b063 PMD 105b4a063 PTE 8000000103d44063 # [ 41.034640] Oops: 0011 [#7] SMP PTI # [ 41.038812] CPU: 3 PID: 1648 Comm: cat Tainted: G D W 5.10.204-cip41 #1 # [ 41.047753] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <6>[ 47.774029] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW <6>[ 47.783266] lkdtm: attempting good refcount_inc() without overflow <6>[ 47.790474] lkdtm: attempting bad refcount_inc() overflow <4>[ 47.796804] ------------[ cut here ]------------ <4>[ 47.802252] refcount_t: saturated; leaking memory. <4>[ 47.807922] WARNING: CPU: 2 PID: 2012 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 41.054851] RIP: 0010:0xffff902343d443c0 # [ 41.059538] <4>[ 47.817646] 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_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 47.876601] CPU: 2 PID: 2012 Comm: cat Tainted: G D W 5.10.204-cip41 #1 <4>[ 47.885568] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 47.892667] RIP: 0010:refcount_warn_saturate+0x51/0x110 <4>[ 47.898795] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d a9 fb 16 02 00 75 ee 48 c7 c7 e8 d6 ed 89 c6 05 99 fb 16 02 01 e8 79 f1 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 85 fb 16 02 00 75 cb 48 c7 c7 10 d7 ed Code: ff ff 80 2d 95 44 23 90 ff ff c0 2d 95 44 23 90 ff ff 00 0<4>[ 47.920078] RSP: 0018:ffffa86a828b7e48 EFLAGS: 00010286 <4>[ 47.932419] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00<4>[ 47.940684] RDX: ffff9023bad2c620 RSI: ffff9023bad1bf50 RDI: ffff9023bad1bf50 <4>[ 47.955166] RBP: ffffffff89f82af5 R08: 0000000000000000 R09: 0000000000000000 <4>[ 47.963459] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 <4>[ 47.971746] R13: ffffa86a828b7f10 R14: ffffa86a828b7f10 R15: ffff902343e76000 <4>[ 47.980011] FS: 00007f7f96d1e580(0000) GS:ffff9023bad00000(0000) knlGS:0000000000000000 <4>[ 47.989344] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 47.996079] CR2: 00007f7f96b28000 CR3: 00000001057a6003 CR4: 00000000003706e0 00 <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 0<4>[ 48.004358] Call Trace: <4>[ 48.013587] ? __warn+0x80/0x110 0 00 55 # [ 41.080804] RSP: 0018:ffffa86a822e7e38 EFLAGS: 000<4>[ 48.017512] ? refcount_warn_saturate+0x51/0x110 <4>[ 48.029166] ? report_bug+0x9e/0xc0 <4>[ 48.033358] ? handle_bug+0x41/0x90 <4>[ 48.037573] ? exc_invalid_op+0x14/0x70 <4>[ 48.042149] ? asm_exc_invalid_op+0x12/0x20 <4>[ 48.047135] ? refcount_warn_saturate+0x51/0x110 <4>[ 48.052615] ? refcount_warn_saturate+0x51/0x110 <4>[ 48.058085] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 <4>[ 48.063728] direct_entry.cold+0x2c/0x38 <4>[ 48.068402] full_proxy_write+0x53/0x80 <4>[ 48.073009] vfs_write+0xe7/0x3b0 <4>[ 48.077033] ksys_write+0x68/0xf0 <4>[ 48.081028] do_syscall_64+0x30/0x40 <4>[ 48.085340] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 48.091274] RIP: 0033:0x7f7f96c34473 <4>[ 48.095558] 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>[ 48.116837] RSP: 002b:00007ffff95a9658 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 48.125588] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f7f96c34473 <4>[ 48.133853] RDX: 0000000000000016 RSI: 00007f7f96b28000 RDI: 0000000000000001 <4>[ 48.142116] RBP: 00007f7f96b28000 R08: 00007f7f96b27010 R09: 0000000000000000 <4>[ 48.150380] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 48.158644] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 48.166914] irq event stamp: 0 <4>[ 48.170644] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 48.177939] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 48.187369] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 48.196802] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 48.204096] ---[ end trace 74b841559c2f930f ]--- <6>[ 48.209557] lkdtm: Overflow detected: saturated 10246 # [ 41.086929] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 41.095189] RDX: 0000000000000000 RSI: ffff9023bad9bf50 RDI: ffff9023bad9bf50 # [ 41.103451] RBP: ffff902343d443c0 R08: 0000000000000000 R09: 0000000000000000 # [ 41.111705] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 41.119969] R13: ffffa86a822e7f10 R14: ffffa86a822e7f10 R15: ffff9023431b7000 # [ 41.134448] FS: 00007f7293c74580(0000) GS:ffff9023bad80000(0000) knlGS:0000000000000000 # [ 41.143778] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 41.150490] CR2: ffff902343d443c0 CR3: 000000010389c003 CR4: 00000000003706e0 # [ 41.158751] Call Trace: # [ 41.161771] ? __die_body.cold+0x1a/0x1f # [ 41.166439] ? no_context+0x177/0x380 # [ 41.170811] ? exc_page_fault+0xd7/0x170 # [ 41.175488] ? asm_exc_page_fault+0x1e/0x30 # [ 41.180443] ? execute_location+0x45/0x56 # [ 41.185208] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 # [ 41.190168] ? direct_entry.cold+0x2c/0x38 # [ 41.195031] ? full_proxy_write+0x53/0x80 # [ 41.199788] ? vfs_write+0xe7/0x3b0 # [ 41.203970] ? ksys_write+0x68/0xf0 # [ 41.208155] ? do_syscall_64+0x30/0x40 # [ 41.212627] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 41.218754] 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_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_<6>[ 48.366045] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_<6>[ 48.377306] lkdtm: attempting good refcount_add() without overflow pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common <6>[ 48.390735] lkdtm: attempting bad refcount_add() overflow regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chro<4>[ 48.403275] ------------[ cut here ]------------ meos_pstore coreboot_table # [ 41.277751] CR2: ffff902343d443<4>[ 48.414964] refcount_t: saturated; leaking memory. c0 # [ 41.281731] ---[ end trace 74b841559c2f9305 ]--- # [ <4>[ 48.426838] WARNING: CPU: 0 PID: 2045 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 41.287165] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 41.291832] Code:<4>[ 48.442757] 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_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table 89 ff e8 be d5 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff <4>[ 48.501744] CPU: 0 PID: 2045 Comm: cat Tainted: G D W 5.10.204-cip41 #1 ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <<4>[ 48.516890] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 b0 7f 0b <4>[ 48.530245] RIP: 0010:refcount_warn_saturate+0x51/0x110 03 # [ 41.313108] RSP: 0018:ffffa86a8134fe60 EFLAGS: 00010282<4>[ 48.542553] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d a9 fb 16 02 00 75 ee 48 c7 c7 e8 d6 ed 89 c6 05 99 fb 16 02 01 e8 79 f1 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 85 fb 16 02 00 75 cb 48 c7 c7 10 d7 ed # [ 41.319224] RAX: ffffffff8897bd40 RBX: 0000000000000001 R<4>[ 48.570087] RSP: 0018:ffffa86a82957e48 EFLAGS: 00010286 CX: 0000000000000000 # [ 41.327494] RDX: 0000000000000000 RSI<4>[ 48.582415] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 : ffff9023bad9bf50 RDI: ffffffff89af84b0 # [ 41.335745] RBP: <4>[ 48.596937] RDX: ffff9023bac2c620 RSI: ffff9023bac1bf50 RDI: ffff9023bac1bf50 ffffffff89fe8c28 R08: 0000000000000001 R09: 0000000000000001 # <4>[ 48.611403] RBP: ffffffff89f82b0b R08: 0000000000000000 R09: 0000000000000000 [ 41.344004] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: <4>[ 48.625923] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 0000000000000004 # [ 41.352265] R13: ffffa86a8134ff10 R14: ff<4>[ 48.640391] R13: ffffa86a82957f10 R14: ffffa86a82957f10 R15: ffff9023443d4000 ffa86a8134ff10 R15: ffff902343e7b000 # [ 41.360538] FS: 0000<4>[ 48.654873] FS: 00007f707f6f8580(0000) GS:ffff9023bac00000(0000) knlGS:0000000000000000 7f7293c74580(0000) GS:ffff9023bad80000(0000) knlGS:0000000000000<4>[ 48.670460] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 000 # [ 41.369865] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008<4>[ 48.683435] CR2: 00007f707f502000 CR3: 0000000106064006 CR4: 00000000003706f0 0050033 # [ 41.376572] CR2: ffff902343d443c0 CR3: 00000001038<4>[ 48.697877] Call Trace: 9c003 CR4: 00000000003706e0 # [ 41.384834] BUG: sleeping func<4>[ 48.707171] ? __warn+0x80/0x110 tion called from invalid context at include/linux/percpu-rwsem.h<4>[ 48.717259] ? refcount_warn_saturate+0x51/0x110 :49 # [ 41.395039] in_atomic(): 0, irqs_disabled(): 1, non_bl<4>[ 48.728928] ? report_bug+0x9e/0xc0 ock: 0, pid: 1648, name: cat # [ 41.403785] INFO: lockdep is <4>[ 48.739342] ? handle_bug+0x41/0x90 turned off. # [ 41.408452] irq event stamp: 0 # [ 41.41214<4>[ 48.749752] ? exc_invalid_op+0x14/0x70 9] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ <4>[ 48.760520] ? asm_exc_invalid_op+0x12/0x20 41.419439] hardirqs last disabled at (0): []<4>[ 48.771714] ? refcount_warn_saturate+0x51/0x110 copy_process+0x65c/0x20e0 # [ 41.428858] softirqs last enab<4>[ 48.783361] ? refcount_warn_saturate+0x51/0x110 led at (0): [] copy_process+0x65c/0x20e0 # [ <4>[ 48.795054] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 41.438284] softirqs last disabled at (0): [<0000000000000000>]<4>[ 48.806900] direct_entry.cold+0x2c/0x38 0x0 # [ 41.445574] CPU: 3 PID: 1648 Comm: cat Tainted: G <4>[ 48.817815] full_proxy_write+0x53/0x80 D W 5.10.204-cip41 #1 # [ 41.454513] Hardware name:<4>[ 48.828583] vfs_write+0xe7/0x3b0 Google Rammus/Rammus, BIOS 09/04/2020 # [ 41.461608] Call T<4>[ 48.838811] ksys_write+0x68/0xf0 race: # [ 41.464628] dump_stack+0x77/0x9b # [ 41.468617] <4>[ 48.849005] do_syscall_64+0x30/0x40 ___might_sleep.cold+0xa6/0xb6 # [ 41.473490] exit_signals+0<4>[ 48.859526] entry_SYSCALL_64_after_hwframe+0x62/0xc7 x1c/0x300 # [ 41.477769] do_exit+0xc2/0xab0 # [ 41.481565<4>[ 48.871659] RIP: 0033:0x7f707f60e473 ] ? ksys_write+0x68/0xf0 # [ 41.485749] make_task_dead+0x2f<4>[ 48.882184] 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 /0x30 # [ 41.490125] rewind_stack_and_make_dead+0x17/0x20 #<4>[ 48.909662] RSP: 002b:00007fff57761d98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 41.495667] RIP: 0033:0x7f7293b8a473 # [ 41.499947] Code:<4>[ 48.924651] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f707f60e473 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f <4>[ 48.939109] RDX: 0000000000000016 RSI: 00007f707f502000 RDI: 0000000000000001 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <<4>[ 48.953590] RBP: 00007f707f502000 R08: 00007f707f501010 R09: 0000000000000000 48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 <4>[ 48.968067] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 18 # [ 41.521221] RSP: 002b:00007ffffbd5a6e8 EFLAGS: 00000246<4>[ 48.982563] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ORIG_RAX: 0000000000000001 # [ 41.529966] RAX: fffffffffffff<4>[ 48.997043] irq event stamp: 0 fda RBX: 000000000000000d RCX: 00007f7293b8a473 # [ 41.538227<4>[ 49.006944] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ] RDX: 000000000000000d RSI: 00007f7293a7e000 RDI: 0000000000000<4>[ 49.020501] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 001 # [ 41.546488] RBP: 00007f7293a7e000 R08: 00007f7293a7d01<4>[ 49.036107] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 0 R09: 0000000000000000 # [ 41.554739] R10: fffffffffffffbc5 <4>[ 49.051754] softirqs last disabled at (0): [<0000000000000000>] 0x0 R11: 0000000000000246 R12: 0000000000000001 # [ 41.562999] R1<4>[ 49.065249] ---[ end trace 74b841559c2f9310 ]--- 3: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <6>[ 49.076928] lkdtm: Overflow detected: saturated # EXEC_KMALLOC: saw 'call trace:': ok ok 32 selftests: lkdtm: EXEC_KMALLOC.sh # selftests: lkdtm: EXEC_VMALLOC.sh # Killed # [ 41.700759] lkdtm: Performing direct entry EXEC_VMALLOC # [ 41.708010] lkdtm: attempting ok execution at ffffffff8897c110 # [ 41.714827] lkdtm: attempting bad execution at ffffa86a80373000 # [ 41.727947] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 41.736602] BUG: unable to handle page fault for address: ffffa86a80373000 # [ 41.744573] #PF: supervisor instruction fetch in kernel mode # [ 41.751183] #PF: error_code(0x0011) - permissions violation # [ 41.757698] PGD 100000067 P4D 100000067 PUD 100248067 PMD 10095e067 PTE 8000000103901063 # [ 41.773249] Oops: 0011 [#8] SMP PTI # [ 41.777434] CPU: 2 PID: 1685 Comm: cat Tainted: G D W 5.10.204-cip41 #1 # [ 41.786376] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 41.793493] RIP: 0010:0xffffa86a80373000 # [ 41.798162] Code: Unable to access opcode bytes at RIP 0xffffa86a80372fd6. # [ 41.806122] RSP: 0018:ffffa86a8236fe38 EFLAGS: 00010246 # [ 41.812248] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 41.820501] RDX: 0000000000000000 RSI: ffff9023bad1bf50 RDI: ffff9023bad1bf50 # [ 41.828753] RBP: ffffa86a80373000 R08: 0000000000000000 R09: 0000000000000000 # [ 41.837011] R10: 00000000ffffe<6>[ 49.224515] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW 000 R11: 3fffffffffffffff R12: 000000000000000d # [ 41.845270<6>[ 49.233096] lkdtm: attempting bad refcount_inc_not_zero() overflow ] R13: ffffa86a8236ff10 R14: ffffa86a8236ff10 R15: ffff902343901<4>[ 49.246511] ------------[ cut here ]------------ 000 # [ 41.853544] FS: 00007f86f41a3580(0000) GS:ffff9023bad<4>[ 49.258174] refcount_t: saturated; leaking memory. 00000(0000) knlGS:0000000000000000 # [ 41.862873] CS: 0010 D<4>[ 49.270068] WARNING: CPU: 1 PID: 2078 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 S: 0000 ES: 0000 CR0: 0000000080050033 # [ 41.869580] CR2: ff<4>[ 49.285984] 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_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table ffa86a80372fd6 CR3: 0000000106564003 CR4: 00000000003706e0 # [ <4>[ 49.344972] CPU: 1 PID: 2078 Comm: cat Tainted: G D W 5.10.204-cip41 #1 41.877841] Call Trace: # [ 41.880861] ? __die_body.cold+0x<4>[ 49.360125] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 1a/0x1f # [ 41.885541] ? no_context+0x177/0x380 # [ 41.88<4>[ 49.373420] RIP: 0010:refcount_warn_saturate+0x97/0x110 9920] ? exc_page_fault+0xd7/0x170 # [ 41.894589] ? asm_exc_<4>[ 49.385762] Code: 02 01 e8 56 f1 c5 00 0f 0b c3 cc cc cc cc 80 3d 64 fb 16 02 00 75 a8 48 c7 c7 e8 d6 ed 89 c6 05 54 fb 16 02 01 e8 33 f1 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 3e fb 16 02 00 75 85 48 c7 c7 40 d7 ed page_fault+0x1e/0x30 # [ 41.899554] ? execute_location+0x45/<4>[ 49.413255] RSP: 0018:ffffa86a829e7e38 EFLAGS: 00010282 <4>[ 49.425600] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 0x56 # [ 41.904321] ? lkdtm_EXEC_VMALLOC+0x20/0x30 # [ 41<4>[ 49.433864] RDX: ffff9023bacac620 RSI: ffff9023bac9bf50 RDI: ffff9023bac9bf50 <4>[ 49.448345] RBP: ffffffff89f82748 R08: 0000000000000000 R09: 0000000000000000 .909280] ? direct_entry.cold+0x2c/0x38 # [ 41.914145] ? ful<4>[ 49.456610] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f <4>[ 49.471086] R13: ffffa86a829e7f10 R14: ffffa86a829e7f10 R15: ffff9023441b4000 l_proxy_write+0x53/0x80 # [ 41.918911] ? vfs_write+0xe7/0x3b<4>[ 49.479353] FS: 00007fe00052f580(0000) GS:ffff9023bac80000(0000) knlGS:0000000000000000 <4>[ 49.494899] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 0 # [ 41.923085] ? ksys_write+0x68/0xf0 # [ 41.927270] ?<4>[ 49.501612] CR2: 00007fe000339000 CR3: 000000010591e004 CR4: 00000000003706e0 <4>[ 49.516086] Call Trace: do_syscall_64+0x30/0x40 # [ 41.931744] ? entry_SYSCALL_64_a<4>[ 49.519110] ? __warn+0x80/0x110 <4>[ 49.529213] ? refcount_warn_saturate+0x97/0x110 fter_hwframe+0x62/0xc7 # [ 41.937872] Modules linked in: fuse<4>[ 49.534688] ? report_bug+0x9e/0xc0 ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_cor<4>[ 49.545086] ? handle_bug+0x41/0x90 <4>[ 49.555487] ? exc_invalid_op+0x14/0x70 <4>[ 49.560064] ? asm_exc_invalid_op+0x12/0x20 <4>[ 49.565034] ? refcount_warn_saturate+0x97/0x110 <4>[ 49.570491] ? refcount_warn_saturate+0x97/0x110 <4>[ 49.575944] __refcount_add_not_zero.constprop.0+0x2a/0x35 <4>[ 49.582368] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 <4>[ 49.588895] direct_entry.cold+0x2c/0x38 e industrialio_triggered_buffer kfifo_buf industrialio snd_soc_d<4>[ 49.593570] full_proxy_write+0x53/0x80 a7219 cros_ec_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cr<4>[ 49.604362] vfs_write+0xe7/0x3b0 os_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensor<4>[ 49.614566] ksys_write+0x68/0xf0 <4>[ 49.624773] do_syscall_64+0x30/0x40 hub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compres<4>[ 49.629081] entry_SYSCALL_64_after_hwframe+0x62/0xc7 s videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_d<4>[ 49.641226] RIP: 0033:0x7fe000445473 <4>[ 49.651723] 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 maengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify c<4>[ 49.673003] RSP: 002b:00007ffc3a1f6788 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 49.687965] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fe000445473 ros_kbd_led_backlight chromeos_pstore coreboot_table # [ 41.9<4>[ 49.696229] RDX: 000000000000001f RSI: 00007fe000339000 RDI: 0000000000000001 <4>[ 49.710704] RBP: 00007fe000339000 R08: 00007fe000338010 R09: 0000000000000000 96869] CR2: ffffa86a80373000 # [ 42.000856] ---[ end trace 74<4>[ 49.718969] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 49.733444] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 b841559c2f9306 ]--- # [ 42.006301] RIP: 0010:lkdtm_BUG+0x5/0x<4>[ 49.741713] irq event stamp: 0 10 # [ 42.010969] Code: 89 ff e8 be d5 79 ff 48 c7 c0 ea ff f<4>[ 49.751620] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 49.765129] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 f ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff<4>[ 49.774586] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 49.790226] softirqs last disabled at (0): [<0000000000000000>] 0x0 ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1<4>[ 49.797540] ---[ end trace 74b841559c2f9311 ]--- <6>[ 49.809190] lkdtm: Overflow detected: saturated f 44 00 00 83 05 b0 7f 0b 03 # [ 42.032243] RSP: 0018:ffffa86a8134fe60 EFLAGS: 00010282 # [ 42.038367] RAX: ffffffff8897bd40 RBX: 0000000000000001 RCX: 0000000000000000 # [ 42.046629] RDX: 0000000000000000 RSI: ffff9023bad9bf50 RDI: ffffffff89af84b0 # [ 42.054888] RBP: ffffffff89fe8c28 R08: 0000000000000001 R09: 0000000000000001 # [ 42.063148] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 42.071407] R13: ffffa86a8134ff10 R14: ffffa86a8134ff10 R15: ffff902343e7b000 # [ 42.079667] FS: 00007f86f41a3580(0000) GS:ffff9023bad00000(0000) knlGS:0000000000000000 # [ 42.088997] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 42.095703] CR2: ffffa86a80372fd6 CR3: 0000000106564003 CR4: 00000000003706e0 # EXEC_VMALLOC: saw 'call trace:': ok ok 33 selftests: lkdtm: EXEC_VMALLOC.sh # selftests: lkdtm: EXEC_RODATA.sh # Killed # [ 42.225600] lkdtm: Performing direct entry EXEC_RODATA # [ 42.234334] lkdtm: attempting ok execution at ffffffff8897c110 # [ 42.241147] lkdtm: attempting bad execution at ffffffff89af8940 # [ 42.248068] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 42.256725] BUG: unable to handle page fault for address: ffffffff89af8940 # [ 42.264695] #PF: supervisor instruction fetch in kernel mode # [ 42.271307] #PF: error_code(0x0011) - permissions violation # [ 42.277812] PGD 132629067 P4D 132629067 PUD 13262a063 PMD 8000000131e000e1 # [ 42.285882] Oops: 0011 [#9] SMP PTI # [ 42.290064] CPU: 3 PID: 1722 Comm: cat Tainted: G D W 5.10.204-cip41 #1<6>[ 49.966201] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 42.299003] Hardware name: Google Rammus/Rammus, BIOS 09<6>[ 49.977829] lkdtm: attempting bad refcount_add_not_zero() overflow /04/2020 # [ 42.306103] RIP: 0010:lkdtm_rodata_do_nothing+0x0<4>[ 49.991240] ------------[ cut here ]------------ /0x10 # [ 42.312132] Code: ff ff cd 0b 06 89 ff ff ff ff b2 2<4>[ 50.002901] refcount_t: saturated; leaking memory. c f8 89 ff ff ff ff 13 f3 05 89 ff ff ff ff 55 aa 55 aa 00 00 00<4>[ 50.014791] WARNING: CPU: 1 PID: 2111 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>[ 50.030696] 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_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 50.089683] CPU: 1 PID: 2111 Comm: cat Tainted: G D W 5.10.204-cip41 #1 0 00 00 00 00 54 68 69 73 20 69 # [ 42.333401] RSP: 0018:ffff<4>[ 50.098654] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 50.111963] RIP: 0010:refcount_warn_saturate+0x97/0x110 a86a823d7e48 EFLAGS: 00010246 # [ 42.339538] RAX: 00000000000<4>[ 50.118117] Code: 02 01 e8 56 f1 c5 00 0f 0b c3 cc cc cc cc 80 3d 64 fb 16 02 00 75 a8 48 c7 c7 e8 d6 ed 89 c6 05 54 fb 16 02 01 e8 33 f1 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 3e fb 16 02 00 75 85 48 c7 c7 40 d7 ed <4>[ 50.145603] RSP: 0018:ffffa86a82a4fe38 EFLAGS: 00010282 00033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 42.3477<4>[ 50.151758] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 <4>[ 50.166231] RDX: ffff9023bacac620 RSI: ffff9023bac9bf50 RDI: ffff9023bac9bf50 99] RDX: 0000000000000000 RSI: ffff9023bad9bf50 RDI: ffff9023bad<4>[ 50.174542] RBP: ffffffff89f82768 R08: 0000000000000000 R09: 0000000000000000 <4>[ 50.189013] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f 9bf50 # [ 42.356060] RBP: ffffffff89af8940 R08: 0000000000000<4>[ 50.197279] R13: ffffa86a82a4ff10 R14: ffffa86a82a4ff10 R15: ffff902344795000 <4>[ 50.211752] FS: 00007f0ff72d5580(0000) GS:ffff9023bac80000(0000) knlGS:0000000000000000 000 R09: 0000000000000000 # [ 42.364322] R10: 00000000ffffe00<4>[ 50.221086] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 50.234004] CR2: 00007f0ff70df000 CR3: 0000000102664003 CR4: 00000000003706e0 0 R11: 3fffffffffffffff R12: 000000000000000c # [ 42.372584] <4>[ 50.242270] Call Trace: R13: ffffa86a823d7f10 R14: ffffa86a823d7f10 R15: ffff9023441c800<4>[ 50.251508] ? __warn+0x80/0x110 0 # [ 42.380847] FS: 00007fec57124580(0000) GS:ffff9023bad80<4>[ 50.261615] ? refcount_warn_saturate+0x97/0x110 000(0000) knlGS:0000000000000000 # [ 42.390179] CS: 0010 DS:<4>[ 50.273279] ? report_bug+0x9e/0xc0 0000 ES: 0000 CR0: 0000000080050033 # [ 42.396878] CR2: ffff<4>[ 50.283679] ? handle_bug+0x41/0x90 ffff89af8940 CR3: 000000010097e001 CR4: 00000000003706e0 # [ <4>[ 50.294076] ? exc_invalid_op+0x14/0x70 42.405141] Call Trace: # [ 42.408160] ? __die_body.cold+0x1a<4>[ 50.304892] ? asm_exc_invalid_op+0x12/0x20 /0x1f # [ 42.412830] ? no_context+0x177/0x380 # [ 42.4172<4>[ 50.316070] ? refcount_warn_saturate+0x97/0x110 10] ? exc_page_fault+0xd7/0x170 # [ 42.421877] ? asm_exc_pa<4>[ 50.327710] ? refcount_warn_saturate+0x97/0x110 ge_fault+0x1e/0x30 # [ 42.426841] ? execute_location+0x45/0x<4>[ 50.339374] __refcount_add_not_zero.constprop.0+0x2a/0x35 56 # [ 42.431605] ? direct_entry.cold+0x2c/0x38 # [ 42.43<4>[ 50.352009] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 6491] ? full_proxy_write+0x53/0x80 # [ 42.441259] ? vfs_wri<4>[ 50.364739] direct_entry.cold+0x2c/0x38 te+0xe7/0x3b0 # [ 42.445435] ? ksys_write+0x68/0xf0 # [ 4<4>[ 50.375627] full_proxy_write+0x53/0x80 2.449619] ? do_syscall_64+0x30/0x40 # [ 42.454093] ? entry_<4>[ 50.386415] vfs_write+0xe7/0x3b0 SYSCALL_64_after_hwframe+0x62/0xc7 # [ 42.460213] Modules lin<4>[ 50.396619] ksys_write+0x68/0xf0 ked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec<4>[ 50.406824] do_syscall_64+0x30/0x40 _sensors_core industrialio_triggered_buffer kfifo_buf industrial<4>[ 50.417320] entry_SYSCALL_64_after_hwframe+0x62/0xc7 io snd_soc_da7219 cros_ec_sysfs cros_ec_lightbar cros_ec_chardev<4>[ 50.429495] RIP: 0033:0x7f0ff71eb473 uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cr<4>[ 50.439991] 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 os_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core<4>[ 50.467494] RSP: 002b:00007ffc936c9848 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_d<4>[ 50.482458] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f0ff71eb473 ev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_us<4>[ 50.496960] RDX: 000000000000001f RSI: 00007f0ff70df000 RDI: 0000000000000001 bpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table<4>[ 50.511439] RBP: 00007f0ff70df000 R08: 00007f0ff70de010 R09: 0000000000000000 # [ 42.519207] CR2: ffffffff89af8940 # [ 42.523196] ---[ <4>[ 50.525917] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 end trace 74b841559c2f9307 ]--- # [ 42.528641] RIP: 0010:lkdt<4>[ 50.540399] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 m_BUG+0x5/0x10 # [ 42.533310] Code: 89 ff e8 be d5 79 ff 48 c<4>[ 50.554885] irq event stamp: 0 <4>[ 50.564794] hardirqs last enabled at (0): [<0000000000000000>] 0x0 7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7<4>[ 50.572090] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 0<4>[ 50.587734] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 50.603376] softirqs last disabled at (0): [<0000000000000000>] 0x0 0 00 00 0f 1f 44 00 00 83 05 b0 7f 0b 03 # [ 42.554574] RSP: <4>[ 50.610669] ---[ end trace 74b841559c2f9312 ]--- <6>[ 50.622327] lkdtm: Overflow detected: saturated 0018:ffffa86a8134fe60 EFLAGS: 00010282 # [ 42.560715] RAX: ffffffff8897bd40 RBX: 0000000000000001 RCX: 0000000000000000 # [ 42.568976] RDX: 0000000000000000 RSI: ffff9023bad9bf50 RDI: ffffffff89af84b0 # [ 42.577236] RBP: ffffffff89fe8c28 R08: 0000000000000001 R09: 0000000000000001 # [ 42.585497] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 42.593757] R13: ffffa86a8134ff10 R14: ffffa86a8134ff10 R15: ffff902343e7b000 # [ 42.602017] FS: 00007fec57124580(0000) GS:ffff9023bad80000(0000) knlGS:0000000000000000 # [ 42.611346] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 42.618051] CR2: ffffffff89af8940 CR3: 000000010097e001 CR4: 00000000003706e0 # [ 42.626313] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 42.636508] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1722, name: cat # [ 42.645255] INFO: lockdep is turned off. # [ 42.649923] irq event stamp: 0 # [ 42.653620] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 42.660901] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 42.670327] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 42.679754] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 42.687036] CPU: 3 PID: 1722 Comm: cat Tainted: G D W 5.10.204-cip<6>[ 50.762258] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO <6>[ 50.771016] lkdtm: attempting good refcount_dec() <6>[ 50.776573] lkdtm: attempting bad refcount_dec() to zero <4>[ 50.782808] ------------[ cut here ]------------ <4>[ 50.788262] refcount_t: decrement hit 0; leaking memory. 41 #1 # [ 42.695978] Hardware name: Google Rammus/Rammus, BIO<4>[ 50.794513] WARNING: CPU: 2 PID: 2144 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 S 09/04/2020 # [ 42.703071] Call Trace: # [ 42.706090] d<4>[ 50.810435] 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_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table ump_stack+0x77/0x9b # [ 42.710079] ___might_sleep.cold+0xa6/<4>[ 50.869433] CPU: 2 PID: 2144 Comm: cat Tainted: G D W 5.10.204-cip41 #1 <4>[ 50.884590] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 50.891690] RIP: 0010:refcount_warn_saturate+0xfb/0x110 <4>[ 50.897820] Code: 98 d7 ed 89 c6 05 05 fb 16 02 01 e8 e9 f0 c5 00 0f 0b c3 cc cc cc cc 48 c7 c7 68 d7 ed 89 c6 05 ec fa 16 02 01 e8 cf f0 c5 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b <4>[ 50.919124] RSP: 0018:ffffa86a82b1fe48 EFLAGS: 00010286 0xb6 # [ 42.714935] exit_signals+0x1c/0x300 # [ 42.719215<4>[ 50.925280] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 <4>[ 50.939749] RDX: ffff9023bad2c620 RSI: ffff9023bad1bf50 RDI: ffff9023bad1bf50 <4>[ 50.948012] RBP: ffffffff89f82b21 R08: 0000000000000000 R09: 0000000000000000 <4>[ 50.956275] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 <4>[ 50.964539] R13: ffffa86a82b1ff10 R14: ffffa86a82b1ff10 R15: ffff90234466b000 <4>[ 50.972803] FS: 00007f4b8e80a580(0000) GS:ffff9023bad00000(0000) knlGS:0000000000000000 <4>[ 50.982135] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 50.988844] CR2: 00007f4b8e614000 CR3: 0000000103fe6003 CR4: 00000000003706e0 <4>[ 50.997105] Call Trace: <4>[ 51.000119] ? __warn+0x80/0x110 <4>[ 51.004034] ? refcount_warn_saturate+0xfb/0x110 ] do_exit+0xc2/0xab0 # [ 42.723011] ? ksys_write+0x68/0xf0 <4>[ 51.009496] ? report_bug+0x9e/0xc0 <4>[ 51.019898] ? handle_bug+0x41/0x90 <4>[ 51.024105] ? exc_invalid_op+0x14/0x70 <4>[ 51.028680] ? asm_exc_invalid_op+0x12/0x20 <4>[ 51.033646] ? refcount_warn_saturate+0xfb/0x110 <4>[ 51.039117] ? refcount_warn_saturate+0xfb/0x110 <4>[ 51.044565] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd <4>[ 51.049818] direct_entry.cold+0x2c/0x38 # [ 42.727185] make_task_dead+0x2f/0x30 # [ 42.731553] r<4>[ 51.054498] full_proxy_write+0x53/0x80 <4>[ 51.065277] vfs_write+0xe7/0x3b0 <4>[ 51.069294] ksys_write+0x68/0xf0 <4>[ 51.073318] do_syscall_64+0x30/0x40 <4>[ 51.077602] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 51.083568] RIP: 0033:0x7f4b8e720473 <4>[ 51.087853] 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>[ 51.109131] RSP: 002b:00007ffed078d868 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 51.117883] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f4b8e720473 <4>[ 51.126148] RDX: 0000000000000012 RSI: 00007f4b8e614000 RDI: 0000000000000001 <4>[ 51.134413] RBP: 00007f4b8e614000 R08: 00007f4b8e613010 R09: 0000000000000000 <4>[ 51.142677] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 ewind_stack_and_make_dead+0x17/0x20 # [ 42.737095] RIP: 0033:<4>[ 51.150941] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0x7fec5703a473 # [ 42.741374] Code: 8b 15 21 2a 0e 00 f7 d8 6<4>[ 51.165422] irq event stamp: 0 <4>[ 51.175331] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 51.182623] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 51.192051] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 51.201492] softirqs last disabled at (0): [<0000000000000000>] 0x0 4 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00<4>[ 51.208785] ---[ end trace 74b841559c2f9313 ]--- <6>[ 51.220443] lkdtm: Zero detected: saturated 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 42.762640] RSP: 002b:00007ffc1943ae08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 42.771388] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fec5703a473 # [ 42.779638] RDX: 000000000000000c RSI: 00007fec56f2e000 RDI: 0000000000000001 # [ 42.787898] RBP: 00007fec56f2e000 R08: 00007fec56f2d010 R09: 0000000000000000 # [ 42.796160] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 42.804421] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_RODATA: saw 'call trace:': ok ok 34 selftests: lkdtm: EXEC_RODATA.sh # selftests: lkdtm: EXEC_USERSPACE.sh # Killed # [ 42.943282] lkdtm: Performing direct entry EXEC_USERSPACE # [ 42.955785] lkdtm: attempting ok execution at ffffffff8897c110 # [ 42.962616] lkdtm: attempting bad execution at 00007ff3bdf86000 # [ 42.969565] unable to execute userspace code (SMEP?) (uid: 0) # [ 42.976280] BUG: unable to handle page fault for address: 00007ff3bdf86000 # [ 42.990467] #PF: supervisor instruction fetch in kernel mode # [ 42.997079] #PF: error_code(0x0011) - permissions violation # [ 43.009807] PGD 8000000106477067 P4D 8000000106477067 PUD 103009067 PMD 1047e3067 PTE 106835067 # [ 43.026038] Oops: 0011 [#10] SMP PTI # [ 43.030320] CPU: 3 PID: 1759 Comm: cat Tainted: G D W 5.10.204-cip41 #1 # [ 43.<6>[ 51.367998] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE 039263] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 #<6>[ 51.375500] lkdtm: attempting bad refcount_dec() below zero [ 43.046365] RIP: 0010:0x7ff3bdf86000 # [ 43.050645] Code:<4>[ 51.388229] ------------[ cut here ]------------ Unable to access opcode bytes at RIP 0x7ff3bdf85fd6. # [ 43.<4>[ 51.399894] refcount_t: decrement hit 0; leaking memory. 064443] RSP: 0018:ffffa86a824a7e50 EFLAGS: 00010246 # [ 43.07<4>[ 51.412363] WARNING: CPU: 1 PID: 2180 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 0567] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 000000000<4>[ 51.428268] 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_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table 0000000 # [ 43.078827] RDX: 0000000000000000 RSI: ffff9023bad<4>[ 51.487231] CPU: 1 PID: 2180 Comm: cat Tainted: G D W 5.10.204-cip41 #1 9bf50 RDI: ffff9023bad9bf50 # [ 43.087089] RBP: 00007ff3bdf86<4>[ 51.502393] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 000 R08: 0000000000000000 R09: 0000000000000000 # [ 43.095348<4>[ 51.515709] RIP: 0010:refcount_warn_saturate+0xfb/0x110 <4>[ 51.528049] Code: 98 d7 ed 89 c6 05 05 fb 16 02 01 e8 e9 f0 c5 00 0f 0b c3 cc cc cc cc 48 c7 c7 68 d7 ed 89 c6 05 ec fa 16 02 01 e8 cf f0 c5 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b ] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000<4>[ 51.549352] RSP: 0018:ffffa86a82bbfe48 EFLAGS: 00010286 00f # [ 43.103610] R13: ffffa86a824a7f10 R14: ffffa86a824a7f1<4>[ 51.561695] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 <4>[ 51.576173] RDX: ffff9023bacac620 RSI: ffff9023bac9bf50 RDI: ffff9023bac9bf50 <4>[ 51.584438] RBP: ffffffff89f82b33 R08: 0000000000000000 R09: 0000000000000000 0 R15: ffff9023440d6000 # [ 43.111870] FS: 00007ff3bdf57580(<4>[ 51.592701] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 <4>[ 51.607176] R13: ffffa86a82bbff10 R14: ffffa86a82bbff10 R15: ffff9023459ee000 0000) GS:ffff9023bad80000(0000) knlGS:0000000000000000 # [ 43<4>[ 51.615445] FS: 00007fdb8569f580(0000) GS:ffff9023bac80000(0000) knlGS:0000000000000000 .121200] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ <4>[ 51.630994] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 51.643921] CR2: 00007fdb854a9000 CR3: 0000000103b44001 CR4: 00000000003706e0 43.127908] CR2: 00007ff3bdf86000 CR3: 0000000103904003 CR4: 00<4>[ 51.652188] Call Trace: 000000003706e0 # [ 43.136168] Call Trace: # [ 43.139189] <4>[ 51.661424] ? __warn+0x80/0x110 ? __die_body.cold+0x1a/0x1f # [ 43.143859] ? no_context+0x17<4>[ 51.671530] ? refcount_warn_saturate+0xfb/0x110 7/0x380 # [ 43.148237] ? exc_page_fault+0x53/0x170 # [ 43<4>[ 51.683196] ? report_bug+0x9e/0xc0 .152905] ? asm_exc_page_fault+0x1e/0x30 # [ 43.157869] ? lk<4>[ 51.693599] ? handle_bug+0x41/0x90 dtm_EXEC_USERSPACE.cold+0x66/0xae # [ 43.163507] ? direct_en<4>[ 51.703997] ? exc_invalid_op+0x14/0x70 try.cold+0x2c/0x38 # [ 43.168372] ? full_proxy_write+0x53/0x<4>[ 51.714788] ? asm_exc_invalid_op+0x12/0x20 80 # [ 43.173138] ? vfs_write+0xe7/0x3b0 # [ 43.177313] <4>[ 51.725970] ? refcount_warn_saturate+0xfb/0x110 ? ksys_write+0x68/0xf0 # [ 43.181496] ? do_syscall_64+0x30/0<4>[ 51.737630] ? refcount_warn_saturate+0xfb/0x110 x40 # [ 43.185971] ? entry_SYSCALL_64_after_hwframe+0x62/0xc<4>[ 51.749295] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 7 # [ 43.192098] Modules linked in: fuse ip_tables cros_ec_li<4>[ 51.761155] direct_entry.cold+0x2c/0x38 d_angle cros_ec_sensors cros_ec_sensors_core industrialio_trigge<4>[ 51.772041] full_proxy_write+0x53/0x80 red_buffer kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs c<4>[ 51.782832] vfs_write+0xe7/0x3b0 ros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger video<4>[ 51.793040] ksys_write+0x68/0xf0 buf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops <4>[ 51.803248] do_syscall_64+0x30/0x40 cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi<4>[ 51.813744] entry_SYSCALL_64_after_hwframe+0x62/0xc7 x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_co<4>[ 51.825896] RIP: 0033:0x7fdb855b5473 mmon regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight<4>[ 51.836394] 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 chromeos_pstore coreboot_table # [ 43.251087] CR2: 00007ff3b<4>[ 51.863887] RSP: 002b:00007ffef3a73558 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 df86000 # [ 43.255076] ---[ end trace 74b841559c2f9308 ]--- <4>[ 51.878854] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fdb855b5473 # [ 43.260514] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 43.265182] <4>[ 51.893332] RDX: 0000000000000016 RSI: 00007fdb854a9000 RDI: 0000000000000001 Code: 89 ff e8 be d5 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 e<4>[ 51.907808] RBP: 00007fdb854a9000 R08: 00007fdb854a8010 R09: 0000000000000000 a ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00<4>[ 51.922287] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 b0 7<4>[ 51.936768] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 f 0b 03 # [ 43.286448] RSP: 0018:ffffa86a8134fe60 EFLAGS: 000<4>[ 51.951249] irq event stamp: 0 10282 # [ 43.292563] RAX: ffffffff8897bd40 RBX: 0000000000000<4>[ 51.961160] hardirqs last enabled at (0): [<0000000000000000>] 0x0 001 RCX: 0000000000000000 # [ 43.300823] RDX: 000000000000000<4>[ 51.974667] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 0 RSI: ffff9023bad9bf50 RDI: ffffffff89af84b0 # [ 43.309084] <4>[ 51.990310] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 RBP: ffffffff89fe8c28 R08: 0000000000000001 R09: 000000000000000<4>[ 52.005952] softirqs last disabled at (0): [<0000000000000000>] 0x0 1 # [ 43.317344] R10: 00000000ffffe000 R11: 3fffffffffffffff <4>[ 52.019458] ---[ end trace 74b841559c2f9314 ]--- R12: 0000000000000004 # [ 43.325603] R13: ffffa86a8134ff10 R1<6>[ 52.031121] lkdtm: Negative detected: saturated 4: ffffa86a8134ff10 R15: ffff902343e7b000 # [ 43.333863] FS: 00007ff3bdf57580(0000) GS:ffff9023bad80000(0000) knlGS:0000000000000000 # [ 43.343192] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 43.349900] CR2: 00007ff3bdf86000 CR3: 0000000103904003 CR4: 00000000003706e0 # EXEC_USERSPACE: saw 'call trace:': ok ok 35 selftests: lkdtm: EXEC_USERSPACE.sh # selftests: lkdtm: EXEC_NULL.sh # Killed # [ 43.477222] lkdtm: Performing direct entry EXEC_NULL # [ 43.488449] lkdtm: attempting ok execution at ffffffff8897c110 # [ 43.501494] lkdtm: attempting bad execution at 0000000000000000 # [ 43.514620] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 43.528900] #PF: supervisor instruction fetch in kernel mode # [ 43.535512] #PF: error_code(0x0010) - not-present page # [ 43.547754] PGD 0 P4D 0 # [ 43.557089] Oops: 0010 [#11] SMP PTI # [ 43.561368] CPU: 1 PID: 1796 Comm: cat Tainted: G D W 5.10.204-cip41 #1 # [ 43.570310] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 43.577398] RIP: 0010:0x0 # [ 43.580610] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. # [ 43.588579] RSP: 0018:ffffa86a82507e48 EFLAGS: 00010246 # [ 43.594704] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 43.602964] RDX: 0000000000000000 RSI: ffff9023bac9bf50 RDI: ffff9023bac9bf50 # [ 43.611226] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 # [ 43.619489] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 43.627741] R13: ffffa86a82507f10 R14: ffffa86a82507f10 R15: ffff90234639b000 # [ 43.636002] FS: 00007fd3c86e1580(0000) GS:ffff9023bac80000(0000) knlGS:0000000000000000 # [ 43.645332] CS: 0010 DS: 0000 ES:<6>[ 52.211541] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE <6>[ 52.224723] lkdtm: attempting bad refcount_dec_and_test() below zero <4>[ 52.232120] ------------[ cut here ]------------ <4>[ 52.237598] refcount_t: underflow; use-after-free. <4>[ 52.243266] WARNING: CPU: 3 PID: 2216 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 0000 CR0: 0000000080050033 # [ 43.652030] CR2: fffffffffffff<4>[ 52.252991] 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_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 52.311946] CPU: 3 PID: 2216 Comm: cat Tainted: G D W 5.10.204-cip41 #1 <4>[ 52.320920] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 52.328018] RIP: 0010:refcount_warn_saturate+0xba/0x110 <4>[ 52.334144] Code: 02 01 e8 33 f1 c5 00 0f 0b c3 cc cc cc cc 80 3d 3e fb 16 02 00 75 85 48 c7 c7 40 d7 ed 89 c6 05 2e fb 16 02 01 e8 10 f1 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 19 fb 16 02 00 0f 85 5e ff ff ff 48 c7 <4>[ 52.355421] RSP: 0018:ffffa86a82c37e40 EFLAGS: 00010286 <4>[ 52.361547] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 <4>[ 52.369810] RDX: ffff9023badac620 RSI: ffff9023bad9bf50 RDI: ffff9023bad9bf50 <4>[ 52.378072] RBP: ffffffff89f82788 R08: 0000000000000000 R09: 0000000000000000 <4>[ 52.386333] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f <4>[ 52.394590] R13: ffffa86a82c37f10 R14: ffffa86a82c37f10 R15: ffff902344767000 <4>[ 52.402854] FS: 00007f4a629b2580(0000) GS:ffff9023bad80000(0000) knlGS:0000000000000000 <4>[ 52.412184] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 52.418895] CR2: 00007f4a627bc000 CR3: 00000001058ec002 CR4: 00000000003706e0 <4>[ 52.427159] Call Trace: fd6 CR3: 000000010639c005 CR4: 00000000003706e0 # [ 43.660291<4>[ 52.430182] ? __warn+0x80/0x110 <4>[ 52.440287] ? refcount_warn_saturate+0xba/0x110 <4>[ 52.445735] ? report_bug+0x9e/0xc0 <4>[ 52.449944] ? handle_bug+0x41/0x90 <4>[ 52.454152] ? exc_invalid_op+0x14/0x70 <4>[ 52.458725] ? asm_exc_invalid_op+0x12/0x20 <4>[ 52.463690] ? refcount_warn_saturate+0xba/0x110 <4>[ 52.469168] __refcount_sub_and_test.constprop.0+0x3c/0x50 <4>[ 52.475588] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 <4>[ 52.482106] direct_entry.cold+0x2c/0x38 <4>[ 52.486777] full_proxy_write+0x53/0x80 ] Call Trace: # [ 43.663312] ? __die_body.cold+0x1a/0x1f # <4>[ 52.491379] vfs_write+0xe7/0x3b0 [ 43.674198] ? no_context+0x177/0x380 # [ 43.678580] ? ex<4>[ 52.501586] ksys_write+0x68/0xf0 c_page_fault+0x53/0x170 # [ 43.689460] ? asm_exc_page_fault+<4>[ 52.511795] do_syscall_64+0x30/0x40 <4>[ 52.522293] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 52.528256] RIP: 0033:0x7f4a628c8473 <4>[ 52.532538] 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>[ 52.553815] RSP: 002b:00007ffe0f6e5118 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 52.562567] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f4a628c8473 0x1e/0x30 # [ 43.694441] execute_location+0x45/0x56 # [ 4<4>[ 52.570859] RDX: 000000000000001f RSI: 00007f4a627bc000 RDI: 0000000000000001 <4>[ 52.585328] RBP: 00007f4a627bc000 R08: 00007f4a627bb010 R09: 0000000000000000 <4>[ 52.593592] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 52.601854] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 52.610112] irq event stamp: 0 <4>[ 52.613832] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 52.621125] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 52.630554] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 52.639981] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 52.647264] ---[ end trace 74b841559c2f9315 ]--- <6>[ 52.652711] lkdtm: Negative detected: saturated 3.705221] direct_entry.cold+0x2c/0x38 # [ 43.709891] full_proxy_write+0x53/0x80 # [ 43.714483] vfs_write+0xe7/0x3b0 # [ 43.724690] ksys_write+0x68/0xf0 # [ 43.728680] do_syscall_64+0x30/0x40 # [ 43.732961] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 43.738883] RIP: 0033:0x7fd3c85f7473 # [ 43.743154] 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 # [ 43.764429] RSP: 002b:00007ffddcd75348 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 43.773177] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fd3c85f7473 # [ 43.781438] RDX: 000000000000000a RSI: 00007fd3c84eb000 RDI: 0000000000000001 # [ 43.789700] RBP: 00007fd3c84eb000 R08: 00007fd3c84ea010 R09: 0000000000000000 # [ 43.797961] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 43.806222] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 43.814492] 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_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_l<6>[ 52.803424] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE <6>[ 52.815135] lkdtm: attempting bad refcount_sub_and_test() below zero <4>[ 52.822534] ------------[ cut here ]------------ <4>[ 52.827988] refcount_t: underflow; use-after-free. ed_backlight chromeos_pstore coreboot_table # [ 43.873439] CR<4>[ 52.833641] WARNING: CPU: 3 PID: 2252 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 2: 0000000000000000 # [ 43.877428] ---[ end trace 74b841559c2<4>[ 52.849562] 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_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 52.908579] CPU: 3 PID: 2252 Comm: cat Tainted: G D W 5.10.204-cip41 #1 f9309 ]--- # [ 43.882874] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ <4>[ 52.917532] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 52.930838] RIP: 0010:refcount_warn_saturate+0xba/0x110 <4>[ 52.936964] Code: 02 01 e8 33 f1 c5 00 0f 0b c3 cc cc cc cc 80 3d 3e fb 16 02 00 75 85 48 c7 c7 40 d7 ed 89 c6 05 2e fb 16 02 01 e8 10 f1 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 19 fb 16 02 00 0f 85 5e ff ff ff 48 c7 <4>[ 52.958238] RSP: 0018:ffffa86a82cdfe40 EFLAGS: 00010286 <4>[ 52.964365] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 <4>[ 52.972619] RDX: ffff9023badac620 RSI: ffff9023bad9bf50 RDI: ffff9023bad9bf50 <4>[ 52.980882] RBP: ffffffff89f827a8 R08: 0000000000000000 R09: 0000000000000000 <4>[ 52.989144] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f <4>[ 52.997399] R13: ffffa86a82cdff10 R14: ffffa86a82cdff10 R15: ffff90234604a000 <4>[ 53.005663] FS: 00007fcb5b632580(0000) GS:ffff9023bad80000(0000) knlGS:0000000000000000 <4>[ 53.014995] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 53.021702] CR2: 00007fcb5b43c000 CR3: 0000000106294006 CR4: 00000000003706e0 <4>[ 53.029965] Call Trace: <4>[ 53.032988] ? __warn+0x80/0x110 <4>[ 53.036913] ? refcount_warn_saturate+0xba/0x110 <4>[ 53.042360] ? report_bug+0x9e/0xc0 <4>[ 53.046550] ? handle_bug+0x41/0x90 <4>[ 53.050758] ? exc_invalid_op+0x14/0x70 <4>[ 53.055332] ? asm_exc_invalid_op+0x12/0x20 <4>[ 53.060297] ? refcount_warn_saturate+0xba/0x110 <4>[ 53.065775] __refcount_sub_and_test.constprop.0+0x3c/0x50 <4>[ 53.072195] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b <4>[ 53.078711] direct_entry.cold+0x2c/0x38 <4>[ 53.083382] full_proxy_write+0x53/0x80 <4>[ 53.087958] vfs_write+0xe7/0x3b0 <4>[ 53.091950] ksys_write+0x68/0xf0 <4>[ 53.095942] do_syscall_64+0x30/0x40 43.887541] Code: 89 ff e8 be d5 79 ff 48 c7 c0 ea ff ff ff eb d<4>[ 53.100226] entry_SYSCALL_64_after_hwframe+0x62/0xc7 e 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9<4>[ 53.112374] RIP: 0033:0x7fcb5b548473 <4>[ 53.122874] 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>[ 53.144152] RSP: 002b:00007ffda1330718 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 53.152902] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fcb5b548473 <4>[ 53.161164] RDX: 000000000000001f RSI: 00007fcb5b43c000 RDI: 0000000000000001 <4>[ 53.169429] RBP: 00007fcb5b43c000 R08: 00007fcb5b43b010 R09: 0000000000000000 <4>[ 53.177691] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 53.185954] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 53.194220] irq event stamp: 0 <4>[ 53.197941] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 53.205234] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 53.214663] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 53.224092] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 53.231384] ---[ end trace 74b841559c2f9316 ]--- <6>[ 53.236831] lkdtm: Negative detected: saturated 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 b0 7f 0b 03 # [ 43.908815] RSP: 0018:ffffa86a8134fe60 EFLAGS: 00010282 # [ 43.914931] RAX: ffffffff8897bd40 RBX: 0000000000000001 RCX: 0000000000000000 # [ 43.923192] RDX: 0000000000000000 RSI: ffff9023bad9bf50 RDI: ffffffff89af84b0 # [ 43.931454] RBP: ffffffff89fe8c28 R08: 0000000000000001 R09: 0000000000000001 # [ 43.939706] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 43.947967] R13: ffffa86a8134ff10 R14: ffffa86a8134ff10 R15: ffff902343e7b000 # [ 43.956227] FS: 00007fd3c86e1580(0000) GS:ffff9023bac80000(0000) knlGS:0000000000000000 # [ 43.965555] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 43.972262] CR2: ffffffffffffffd6 CR3: 000000010639c005 CR4: 00000000003706e0 # [ 43.980537] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 43.990744] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1796, name: cat # [ 43.999489] INFO: lockdep is turned off. # [ 44.004158] irq event stamp: 0 # [ 44.007854] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 44.015144] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 44.024570] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 44.033995] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 44.041285] CPU: 1 PID: 1796 Comm: c<6>[ 53.379540] lkdtm: Performing direct entry REFCOUNT_INC_ZERO <6>[ 53.391799] lkdtm: attempting safe refcount_inc_not_zero() from zero <6>[ 53.399195] lkdtm: Good: zero detected <6>[ 53.403701] lkdtm: Correctly stayed at zero <6>[ 53.408664] lkdtm: attempting bad refcount_inc() from zero at Tainted: G D W 5.10.204-cip41 #1 # [ 44.05022<4>[ 53.415084] ------------[ cut here ]------------ 4] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ <4>[ 53.426746] refcount_t: addition on 0; use-after-free. <4>[ 53.439019] WARNING: CPU: 2 PID: 2285 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 44.057317] Call Trace: # [ 44.060335] dump_stack+0x77/0x9b <4>[ 53.448746] 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_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 53.507725] CPU: 2 PID: 2285 Comm: cat Tainted: G D W 5.10.204-cip41 #1 # [ 44.064327] ___might_sleep.cold+0xa6/0xb6 # [ 44.075401<4>[ 53.516678] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 53.529988] RIP: 0010:refcount_warn_saturate+0x74/0x110 <4>[ 53.536117] Code: 02 01 e8 79 f1 c5 00 0f 0b c3 cc cc cc cc 80 3d 85 fb 16 02 00 75 cb 48 c7 c7 10 d7 ed 89 c6 05 75 fb 16 02 01 e8 56 f1 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 64 fb 16 02 00 75 a8 48 c7 c7 e8 d6 ed <4>[ 53.557395] RSP: 0018:ffffa86a82d67e48 EFLAGS: 00010286 <4>[ 53.563538] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 <4>[ 53.571801] RDX: ffff9023bad2c620 RSI: ffff9023bad1bf50 RDI: ffff9023bad1bf50 <4>[ 53.580063] RBP: ffffffff89f82b49 R08: 0000000000000000 R09: 0000000000000000 <4>[ 53.588326] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 <4>[ 53.596590] R13: ffffa86a82d67f10 R14: ffffa86a82d67f10 R15: ffff90234591f000 <4>[ 53.604854] FS: 00007f90dd8ee580(0000) GS:ffff9023bad00000(0000) knlGS:0000000000000000 <4>[ 53.614185] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 53.620885] CR2: 00007f90dd6f8000 CR3: 0000000102872001 CR4: 00000000003706e0 <4>[ 53.629139] Call Trace: <4>[ 53.632163] ? __warn+0x80/0x110 <4>[ 53.636086] ? refcount_warn_saturate+0x74/0x110 <4>[ 53.641539] ? report_bug+0x9e/0xc0 <4>[ 53.645726] ? handle_bug+0x41/0x90 <4>[ 53.649933] ? exc_invalid_op+0x14/0x70 <4>[ 53.654509] ? asm_exc_invalid_op+0x12/0x20 ] exit_signals+0x1c/0x300 # [ 44.079682] do_exit+0xc2/0xab0<4>[ 53.659495] ? refcount_warn_saturate+0x74/0x110 <4>[ 53.671155] ? refcount_warn_saturate+0x74/0x110 <4>[ 53.676601] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 <4>[ 53.681855] direct_entry.cold+0x2c/0x38 # [ 44.089691] ? ksys_write+0x68/0xf0 # [ 44.093874] ma<4>[ 53.686530] full_proxy_write+0x53/0x80 ke_task_dead+0x2f/0x30 # [ 44.098250] rewind_stack_and_make_<4>[ 53.697323] vfs_write+0xe7/0x3b0 <4>[ 53.707527] ksys_write+0x68/0xf0 <4>[ 53.711542] do_syscall_64+0x30/0x40 <4>[ 53.715824] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 53.721758] RIP: 0033:0x7f90dd804473 <4>[ 53.726038] 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>[ 53.747314] RSP: 002b:00007ffcde8929c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 53.756064] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f90dd804473 <4>[ 53.764327] RDX: 0000000000000012 RSI: 00007f90dd6f8000 RDI: 0000000000000001 <4>[ 53.772591] RBP: 00007f90dd6f8000 R08: 00007f90dd6f7010 R09: 0000000000000000 <4>[ 53.780854] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 53.789116] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 53.797375] irq event stamp: 0 <4>[ 53.801104] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 53.808397] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 53.817826] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 53.827255] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 53.834552] ---[ end trace 74b841559c2f9317 ]--- <6>[ 53.839999] lkdtm: Zero detected: saturated dead+0x17/0x20 # [ 44.103794] RIP: 0033:0x7fd3c85f7473 # [ 44.108065] 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 # [ 44.129329] RSP: 002b:00007ffddcd75348 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 44.138077] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fd3c85f7473 # [ 44.146329] RDX: 000000000000000a RSI: 00007fd3c84eb000 RDI: 0000000000000001 # [ 44.154589] RBP: 00007fd3c84eb000 R08: 00007fd3c84ea010 R09: 0000000000000000 # [ 44.162850] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 44.171110] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_NULL: saw 'call trace:': ok ok 36 selftests: lkdtm: EXEC_NULL.sh # selftests: lkdtm: ACCESS_USERSPACE.sh # Killed # [ 44.301643] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 44.310317] lkdtm: attempting bad read at 00007f687b896000 # [ 44.316753] BUG: unable to handle page fault for address: 00007f687b896000 # [ 44.330924] #PF: supervisor read access in kernel mode # [ 44.336952] #PF: error_code(0x0001) - permissions violation # [ 44.343464] PGD 8000000104917067 P4D 8000000104917067 PUD 1065db067 PMD 1041e3067 PTE 108467067 # [ 44.359694] Oops: 0001 [#12] SMP PTI # [ 44.363975] CPU: 3 PID: 1832 Comm: cat Tainted: G D W 5.10.204-cip41 #1 # [ 44.372918] Hardware name: Google Rammus/Ramm<6>[ 53.991026] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO <6>[ 54.000914] lkdtm: attempting safe refcount_add_not_zero() from zero us, BIOS 09/04/2020 # [ 44.380007] RIP: 0010:lkdtm_ACCESS_US<6>[ 54.008316] lkdtm: Good: zero detected ERSPACE.cold+0x41/0xa3 # [ 44.386539] Code: 00 00 00 75 64 48<6>[ 54.019005] lkdtm: Correctly stayed at zero 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 d0 39 f8 89 e8 25 <6>[ 54.030183] lkdtm: attempting bad refcount_add() from zero <4>[ 54.042816] ------------[ cut here ]------------ <4>[ 54.048264] refcount_t: addition on 0; use-after-free. <4>[ 54.054324] WARNING: CPU: 3 PID: 2318 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 d8 fb ff 48 c7 c7 f8 39 f8 89 b8 de c0 de c0 <48> 03 45 00 48 89<4>[ 54.064046] 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_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 54.123027] CPU: 3 PID: 2318 Comm: cat Tainted: G D W 5.10.204-cip41 #1 04 24 e8 0c d8 fb ff 48 89 ee 48 c7 c7 20 3a f8 # [ 44.40780<4>[ 54.131983] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 54.145290] RIP: 0010:refcount_warn_saturate+0x74/0x110 <4>[ 54.151418] Code: 02 01 e8 79 f1 c5 00 0f 0b c3 cc cc cc cc 80 3d 85 fb 16 02 00 75 cb 48 c7 c7 10 d7 ed 89 c6 05 75 fb 16 02 01 e8 56 f1 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 64 fb 16 02 00 75 a8 48 c7 c7 e8 d6 ed <4>[ 54.172697] RSP: 0018:ffffa86a82dffe48 EFLAGS: 00010286 <4>[ 54.178825] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 <4>[ 54.187088] RDX: ffff9023badac620 RSI: ffff9023bad9bf50 RDI: ffff9023bad9bf50 <4>[ 54.195352] RBP: ffffffff89f82b5b R08: 0000000000000000 R09: 0000000000000000 <4>[ 54.203615] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 <4>[ 54.211877] R13: ffffa86a82dfff10 R14: ffffa86a82dfff10 R15: ffff9023431eb000 <4>[ 54.220142] FS: 00007fe0ba572580(0000) GS:ffff9023bad80000(0000) knlGS:0000000000000000 <4>[ 54.229491] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 6] RSP: 0018:ffffa86a825d7e48 EFLAGS: 00010246 # [ 44.413928]<4>[ 54.236201] CR2: 00007fe0ba37c000 CR3: 0000000104790002 CR4: 00000000003706e0 <4>[ 54.250675] Call Trace: <4>[ 54.253699] ? __warn+0x80/0x110 <4>[ 54.257624] ? refcount_warn_saturate+0x74/0x110 <4>[ 54.263072] ? report_bug+0x9e/0xc0 <4>[ 54.267260] ? handle_bug+0x41/0x90 RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 00000000000000<4>[ 54.271492] ? exc_invalid_op+0x14/0x70 <4>[ 54.282283] ? asm_exc_invalid_op+0x12/0x20 00 # [ 44.422189] RDX: 0000000000000000 RSI: ffff9023bad9bf50<4>[ 54.287253] ? refcount_warn_saturate+0x74/0x110 RDI: ffffffff89f839f8 # [ 44.430449] RBP: 00007f687b896000 R<4>[ 54.298913] ? refcount_warn_saturate+0x74/0x110 <4>[ 54.310577] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 <4>[ 54.315855] direct_entry.cold+0x2c/0x38 <4>[ 54.320544] full_proxy_write+0x53/0x80 <4>[ 54.325144] vfs_write+0xe7/0x3b0 <4>[ 54.329138] ksys_write+0x68/0xf0 <4>[ 54.333129] do_syscall_64+0x30/0x40 <4>[ 54.337412] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 54.343347] RIP: 0033:0x7fe0ba488473 <4>[ 54.347628] 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>[ 54.368907] RSP: 002b:00007ffef4f83638 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 54.377657] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fe0ba488473 <4>[ 54.385919] RDX: 0000000000000012 RSI: 00007fe0ba37c000 RDI: 0000000000000001 <4>[ 54.394185] RBP: 00007fe0ba37c000 R08: 00007fe0ba37b010 R09: 0000000000000000 <4>[ 54.402448] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 54.410711] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 54.418980] irq event stamp: 0 <4>[ 54.422710] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 54.430004] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 54.439432] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 54.448860] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 54.456152] ---[ end trace 74b841559c2f9318 ]--- <6>[ 54.461590] lkdtm: Zero detected: saturated 08: 0000000000000000 R09: 0000000000000000 # [ 44.438710] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 # [ 44.446970] R13: ffffa86a825d7f10 R14: ffffa86a825d7f10 R15: ffff902343ba4000 # [ 44.455230] FS: 00007f687b867580(0000) GS:ffff9023bad80000(0000) knlGS:0000000000000000 # [ 44.464560] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 44.471265] CR2: 00007f687b896000 CR3: 0000000105802001 CR4: 00000000003706e0 # [ 44.479534] Call Trace: # [ 44.482555] ? __die_body.cold+0x1a/0x1f # [ 44.487225] ? no_context+0x177/0x380 # [ 44.491594] ? exc_page_fault+0x53/0x170 # [ 44.496263] ? asm_exc_page_fault+0x1e/0x30 # [ 44.501224] ? lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 # [ 44.507056] ? lkdtm_ACCESS_USERSPACE.cold+0x35/0xa3 # [ 44.512889] direct_entry.cold+0x2c/0x38 # [ 44.517560] full_proxy_write+0x53/0x80 # [ 44.522132] vfs_write+0xe7/0x3b0 # [ 44.526120] ksys_write+0x68/0xf0 # [ 44.530110] do_syscall_64+0x30/0x40 # [ 44.534391] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 44.540312] RIP: 0033:0x7f687b77d473 # [ 44.544592] 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 # [ 44.565867] RSP: 002b:00007ffcc0cf1ea8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 44.574604] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f687b77d473 # [ 44.582865] RDX: 0000000000000011 RSI: 00007f687b671000 RDI: 0000000000000001 # [ 44.591126] RBP: 00007f687b671000 R08: 00007f687b670010 R09: 0000000000000000 # [ 44.599387] R10: fffffffffffffbc5 R11: 00000000000<6>[ 54.634307] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED 00246 R12: 0000000000000001 # [ 44.607647] R13: 0000000000000<6>[ 54.641500] lkdtm: attempting bad refcount_inc() from saturated 001 R14: 0000000000020000 R15: 0000000000020000 # [ 44.615911<4>[ 54.654639] ------------[ cut here ]------------ <4>[ 54.666280] refcount_t: saturated; leaking memory. ] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_se<4>[ 54.671954] WARNING: CPU: 1 PID: 2354 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 nsors cros_ec_sensors_core industrialio_triggered_buffer kfifo_b<4>[ 54.687857] 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_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table uf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_lightbar cr<4>[ 54.746816] CPU: 1 PID: 2354 Comm: cat Tainted: G D W 5.10.204-cip41 #1 os_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_<4>[ 54.761974] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger<4>[ 54.775291] RIP: 0010:refcount_warn_saturate+0x51/0x110 snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_ther<4>[ 54.787633] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d a9 fb 16 02 00 75 ee 48 c7 c7 e8 d6 ed 89 c6 05 99 fb 16 02 01 e8 79 f1 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 85 fb 16 02 00 75 cb 48 c7 c7 10 d7 ed mal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2<4>[ 54.815128] RSP: 0018:ffffa86a82e97e48 EFLAGS: 00010286 c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore c<4>[ 54.827492] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 <4>[ 54.841971] RDX: ffff9023bacac620 RSI: ffff9023bac9bf50 RDI: ffff9023bac9bf50 oreboot_table # [ 44.674907] CR2: 00007f687b896000 # [ 44.<4>[ 54.850236] RBP: ffffffff89f82b6d R08: 0000000000000000 R09: 0000000000000000 678895] ---[ end trace 74b841559c2f930a ]--- # [ 44.684340] R<4>[ 54.864712] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 IP: 0010:lkdtm_BUG+0x5/0x10 # [ 44.689009] Code: 89 ff e8 be <4>[ 54.879191] R13: ffffa86a82e97f10 R14: ffffa86a82e97f10 R15: ffff902344400000 d5 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc c<4>[ 54.893673] FS: 00007f131482c580(0000) GS:ffff9023bac80000(0000) knlGS:0000000000000000 <4>[ 54.909221] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 c cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f <4>[ 54.915932] CR2: 00007f1314636000 CR3: 0000000104634005 CR4: 00000000003706e0 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 b0 7f 0b 03 # [ 44.<4>[ 54.930410] Call Trace: 710284] RSP: 0018:ffffa86a8134fe60 EFLAGS: 00010282 # [ 44.71<4>[ 54.939669] ? __warn+0x80/0x110 6410] RAX: ffffffff8897bd40 RBX: 0000000000000001 RCX: 000000000<4>[ 54.949781] ? refcount_warn_saturate+0x51/0x110 <4>[ 54.961421] ? report_bug+0x9e/0xc0 0000000 # [ 44.724672] RDX: 0000000000000000 RSI: ffff9023bad<4>[ 54.965635] ? handle_bug+0x41/0x90 9bf50 RDI: ffffffff89af84b0 # [ 44.732933] RBP: ffffffff89fe8<4>[ 54.976026] ? exc_invalid_op+0x14/0x70 c28 R08: 0000000000000001 R09: 0000000000000001 # [ 44.741195<4>[ 54.986842] ? asm_exc_invalid_op+0x12/0x20 ] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000<4>[ 54.998025] ? refcount_warn_saturate+0x51/0x110 004 # [ 44.749455] R13: ffffa86a8134ff10 R14: ffffa86a8134ff1<4>[ 55.009659] ? refcount_warn_saturate+0x51/0x110 0 R15: ffff902343e7b000 # [ 44.757717] FS: 00007f687b867580(<4>[ 55.021321] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 <4>[ 55.033275] direct_entry.cold+0x2c/0x38 0000) GS:ffff9023bad80000(0000) knlGS:0000000000000000 # [ 44<4>[ 55.037971] full_proxy_write+0x53/0x80 .767046] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ <4>[ 55.048754] vfs_write+0xe7/0x3b0 <4>[ 55.058958] ksys_write+0x68/0xf0 44.773751] CR2: 00007f687b896000 CR3: 0000000105802001 CR4: 00<4>[ 55.062974] do_syscall_64+0x30/0x40 000000003706e0 # ACCESS_USERSPACE: saw 'call trace:': ok ok 37<4>[ 55.073465] entry_SYSCALL_64_after_hwframe+0x62/0xc7 selftests: lkdtm: ACCESS_USERSPACE.sh # selftests: lkdtm: ACCE<4>[ 55.085613] RIP: 0033:0x7f1314742473 <4>[ 55.096110] 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 SS_NULL.sh <4>[ 55.117387] RSP: 002b:00007fff6b590ed8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 55.127296] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f1314742473 # Killed<4>[ 55.135560] RDX: 0000000000000017 RSI: 00007f1314636000 RDI: 0000000000000001 <4>[ 55.144595] RBP: 00007f1314636000 R08: 00007f1314635010 R09: 0000000000000000 <4>[ 55.152859] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 44.924520] lkdtm: Performing direct entry ACCESS_NULL #<4>[ 55.161124] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 44.931154] lkdtm: attempting bad read at 0000000000000000<4>[ 55.175600] irq event stamp: 0 # [ 44.937585] BUG: kernel NULL pointer dereference, address<4>[ 55.185344] hardirqs last enabled at (0): [<0000000000000000>] 0x0 : 0000000000000000 # [ 44.945658] #PF: supervisor read access<4>[ 55.198851] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 55.214497] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 55.223927] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 55.231222] ---[ end trace 74b841559c2f9319 ]--- <6>[ 55.236671] lkdtm: Saturation detected: still saturated in kernel mode # [ 44.951688] #PF: error_code(0x0000) - not-present page # [ 44.957708] PGD 0 P4D 0 # [ 44.960826] Oops: 0000 [#13] SMP PTI # [ 44.965099] CPU: 3 PID: 1868 Comm: cat Tainted: G D W 5.10.204-cip41 #1 # [ 44.974041] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 44.981142] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 # [ 44.992902] Code: c9 d7 fb ff be 00 10 00 00 48 89 ef e8 f8 6c 0a ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 d0 39 f8 89 e8 a3 d7 fb ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 f8 39 f8 89 48 01 # [ 45.014179] RSP: 0018:ffffa86a82677e58 EFLAGS: 00010246 # [ 45.020297] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 # [ 45.028549] RDX: 0000000000000000 RSI: ffff9023bad9bf50 RDI: ffff9023bad9bf50 # [ 45.036810] RBP: ffffffff89f82ac1 R08: 0000000000000000 R09: 0000000000000000 # [ 45.045071] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 45.053332] R13: ffffa86a82677f10 R14: ffffa86a82677f10 R15: ffff902343b67000 # [ 45.061593] FS: 00007f1831aa0580(0000) GS:ffff9023bad80000(0000) knlGS:0000000000000000 # [ 45.070922] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 45.077630] CR2: 0000000000000000 CR3: 00000001047ee005 CR4: 00000000003706e0 # [ 45.085892] Call Trace: # [ 45.088914] ? __die_body.cold+0x1a/0x1f # [ 45.093584] ? no_context+0x177/0x380 # [ 45.097965] ? exc_page_fault+0x53/0x170 # [ 45.102633] ? asm_exc_page_fault+0x1e/0x30 # [ 45.107595] ? lkdtm_ACCESS_NULL+0x14/0x53 # [ 45.112458] ? lkdtm_ACCESS_NULL+0x14/0x53 # [ 45.117345] direct_entry<6>[ 55.402150] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED <6>[ 55.411788] lkdtm: attempting bad refcount_dec() from saturated .cold+0x2c/0x38 # [ 45.122015] full_proxy_write+0x53/0x80 #<4>[ 55.418703] ------------[ cut here ]------------ <4>[ 55.430361] refcount_t: decrement hit 0; leaking memory. <4>[ 55.436614] WARNING: CPU: 3 PID: 2390 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 [ 45.126588] vfs_write+0xe7/0x3b0 # [ 45.130577] ksys_wr<4>[ 55.446339] 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_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 55.505292] CPU: 3 PID: 2390 Comm: cat Tainted: G D W 5.10.204-cip41 #1 ite+0x68/0xf0 # [ 45.134557] do_syscall_64+0x30/0x40 # [ <4>[ 55.514268] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 55.527586] RIP: 0010:refcount_warn_saturate+0xfb/0x110 45.138830] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 45.1<4>[ 55.533741] Code: 98 d7 ed 89 c6 05 05 fb 16 02 01 e8 e9 f0 c5 00 0f 0b c3 cc cc cc cc 48 c7 c7 68 d7 ed 89 c6 05 ec fa 16 02 01 e8 cf f0 c5 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b <4>[ 55.561230] RSP: 0018:ffffa86a82f27e48 EFLAGS: 00010286 <4>[ 55.567407] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 44761] RIP: 0033:0x7f18319b6473 # [ 45.149039] Code: 8b 15 21<4>[ 55.575684] RDX: ffff9023badac620 RSI: ffff9023bad9bf50 RDI: ffff9023bad9bf50 <4>[ 55.590153] RBP: ffffffff89f82b84 R08: 0000000000000000 R09: 0000000000000000 <4>[ 55.598419] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 <4>[ 55.606683] R13: ffffa86a82f27f10 R14: ffffa86a82f27f10 R15: ffff902341263000 <4>[ 55.614948] FS: 00007f9674b4e580(0000) GS:ffff9023bad80000(0000) knlGS:0000000000000000 <4>[ 55.624281] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 55.630991] CR2: 00007f9674958000 CR3: 0000000104630002 CR4: 00000000003706e0 <4>[ 55.639254] Call Trace: <4>[ 55.642279] ? __warn+0x80/0x110 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 <4>[ 55.646199] ? refcount_warn_saturate+0xfb/0x110 <4>[ 55.657858] ? report_bug+0x9e/0xc0 <4>[ 55.662071] ? handle_bug+0x41/0x90 <4>[ 55.666287] ? exc_invalid_op+0x14/0x70 <4>[ 55.670887] ? asm_exc_invalid_op+0x12/0x20 <4>[ 55.675894] ? refcount_warn_saturate+0xfb/0x110 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00<4>[ 55.681351] ? refcount_warn_saturate+0xfb/0x110 <4>[ 55.693010] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f <4>[ 55.698751] direct_entry.cold+0x2c/0x38 <4>[ 55.703425] full_proxy_write+0x53/0x80 <4>[ 55.708033] vfs_write+0xe7/0x3b0 <4>[ 55.712056] ksys_write+0x68/0xf0 <4>[ 55.716073] do_syscall_64+0x30/0x40 <4>[ 55.720381] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 55.726317] RIP: 0033:0x7f9674a64473 <4>[ 55.730623] 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>[ 55.751902] RSP: 002b:00007fff64c76718 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 55.760654] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f9674a64473 <4>[ 55.768919] RDX: 0000000000000017 RSI: 00007f9674958000 RDI: 0000000000000001 <4>[ 55.777182] RBP: 00007f9674958000 R08: 00007f9674957010 R09: 0000000000000000 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ <4>[ 55.785447] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 45.170315] RSP: 002b:00007ffc42ec80a8 EFLAGS: 00000246 ORIG_RAX<4>[ 55.799929] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 55.814431] irq event stamp: 0 : 0000000000000001 # [ 45.179063] RAX: ffffffffffffffda RBX: <4>[ 55.818139] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 55.831644] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 55.841075] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 55.850507] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 55.857800] ---[ end trace 74b841559c2f931a ]--- <6>[ 55.863247] lkdtm: Saturation detected: still saturated 000000000000000c RCX: 00007f18319b6473 # [ 45.187325] RDX: 000000000000000c RSI: 00007f18318aa000 RDI: 0000000000000001 # [ 45.195586] RBP: 00007f18318aa000 R08: 00007f18318a9010 R09: 0000000000000000 # [ 45.203847] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 45.212108] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 45.220372] 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_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 45.279369] CR2: 0000000000000000 # [ 45.283358] ---[ end trace 74b841559c2f930b ]--- # [ 45.288803] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 45.293492] Code: 89 ff e8 be d5 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 b0 7f 0b 03 # [ 45.314768] RSP: 0018:ffffa86a8134fe60 EFLAGS: 00010282 # [ 45.320893] RAX: ffffffff8897bd40 RBX: 0000000000000001 RCX: 0000000000000000 # [ 45.329154] RDX: 0000000000000000 RSI: ffff9023bad9bf50 RDI: ffffffff89af84b0 # [ 45.337416] RBP: ffffffff89fe8c28 R08: 0000000000000001 R09: 0000000000000001 # [ 45.345677] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 45.353938] R13: ffffa86a8134ff10 R14: ffffa86a8134ff10 R15: ffff902343e7b000 # [ 45.362200] FS: 00007f1831aa0580(0000) GS:ffff9023bad80000(0000) knlGS:0000000000000000 # [ 45.371536] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 45.378245] CR2: 0000000000000000 CR3: 00000001047ee005 CR4: 00000000003706e0 # [ 45.386507] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 45.396711] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1868, name: cat # [ 45.405457] INFO: lockdep is turned off. # [ 45.410123] irq event stamp: 0 # [ 45.413821] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 45.421104] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 45.430537] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 45.439963] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 45.447253] CPU: 3 PID: 1868 Comm: cat Tainted: G D W 5.10.204-cip41 #1 # [ 45.456193] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 45.463288] Call Trace: # [ 45.466306] dump_stack+0x77/0x9b # [ 45.470297] ___might_sleep.cold+0xa6/0xb6 # [ 45.475161] exit_signals+0x1c/0x300 # [ 45.479442] do_exit+0xc2/0xab0 # [ 45.483237] ? ksys_write+0x68/0xf0 # [ 45.487420] make_task_dead+0x2f/0x30 # [ 45.491799] rewind_stack_and_make_dead+0x17/0x20 # [ 45.497341] RIP: 0033:0x7f18319b6473 # [ 45.501619] Code: 8b 15<6>[ 56.183105] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED <6>[ 56.191080] lkdtm: attempting bad refcount_dec() from saturated <4>[ 56.198002] ------------[ cut here ]------------ <4>[ 56.203459] refcount_t: saturated; leaking memory. <4>[ 56.209111] WARNING: CPU: 2 PID: 2426 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 <4>[ 56.218839] 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_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 56.277843] CPU: 2 PID: 2426 Comm: cat Tainted: G D W 5.10.204-cip41 #1 <4>[ 56.286817] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 56.293915] RIP: 0010:refcount_warn_saturate+0x51/0x110 <4>[ 56.300044] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d a9 fb 16 02 00 75 ee 48 c7 c7 e8 d6 ed 89 c6 05 99 fb 16 02 01 e8 79 f1 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 85 fb 16 02 00 75 cb 48 c7 c7 10 d7 ed <4>[ 56.321321] RSP: 0018:ffffa86a82fb7e48 EFLAGS: 00010286 <4>[ 56.327447] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 <4>[ 56.335709] RDX: ffff9023bad2c620 RSI: ffff9023bad1bf50 RDI: ffff9023bad1bf50 <4>[ 56.343972] RBP: ffffffff89f82b9b R08: 0000000000000000 R09: 0000000000000000 <4>[ 56.352233] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 <4>[ 56.360492] R13: ffffa86a82fb7f10 R14: ffffa86a82fb7f10 R15: ffff9023440c6000 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d<4>[ 56.368757] FS: 00007f0ba99e7580(0000) GS:ffff9023bad00000(0000) knlGS:0000000000000000 <4>[ 56.384300] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 56.391007] CR2: 00007f0ba97f1000 CR3: 00000001028fc003 CR4: 00000000003706e0 <4>[ 56.399260] Call Trace: <4>[ 56.402273] ? __warn+0x80/0x110 <4>[ 56.406189] ? refcount_warn_saturate+0x51/0x110 <4>[ 56.411639] ? report_bug+0x9e/0xc0 <4>[ 56.415826] ? handle_bug+0x41/0x90 <4>[ 56.420012] ? exc_invalid_op+0x14/0x70 <4>[ 56.424585] ? asm_exc_invalid_op+0x12/0x20 <4>[ 56.429549] ? refcount_warn_saturate+0x51/0x110 <4>[ 56.435021] ? refcount_warn_saturate+0x51/0x110 <4>[ 56.440491] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # <4>[ 56.446230] direct_entry.cold+0x2c/0x38 <4>[ 56.457113] full_proxy_write+0x53/0x80 [ 45.522893] RSP: 002b:00007ffc42ec80a8 EFLAGS: 00000246 ORIG_<4>[ 56.461720] vfs_write+0xe7/0x3b0 RAX: 0000000000000001 # [ 45.531639] RAX: ffffffffffffffda RB<4>[ 56.471921] ksys_write+0x68/0xf0 X: 000000000000000c RCX: 00007f18319b6473 # [ 45.539901] RDX:<4>[ 56.482131] do_syscall_64+0x30/0x40 <4>[ 56.492629] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 56.498594] RIP: 0033:0x7f0ba98fd473 <4>[ 56.502876] 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>[ 56.524153] RSP: 002b:00007ffc725d0648 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 56.532929] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f0ba98fd473 000000000000000c RSI: 00007f18318aa000 RDI: 0000000000000001 #<4>[ 56.541196] RDX: 0000000000000017 RSI: 00007f0ba97f1000 RDI: 0000000000000001 <4>[ 56.555665] RBP: 00007f0ba97f1000 R08: 00007f0ba97f0010 R09: 0000000000000000 <4>[ 56.563927] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 56.572190] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 56.580476] irq event stamp: 0 [ 45.548160] RBP: 00007f18318aa000 R08: 00007f18318a9010 R09:<4>[ 56.584183] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 56.597685] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 56.607116] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 56.616544] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 56.623836] ---[ end trace 74b841559c2f931b ]--- <6>[ 56.629284] lkdtm: Saturation detected: still saturated 0000000000000000 # [ 45.556420] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 45.564681] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # ACCESS_NULL: saw 'call trace:': ok ok 38 selftests: lkdtm: ACCESS_NULL.sh # selftests: lkdtm: WRITE_RO.sh # Killed # [ 45.713448] lkdtm: Performing direct entry WRITE_RO # [ 45.721670] lkdtm: attempting bad rodata write at ffffffff89af8930 # [ 45.728900] BUG: unable to handle page fault for address: ffffffff89af8930 # [ 45.736900] #PF: supervisor write access in kernel mode # [ 45.743027] #PF: error_code(0x0003) - permissions violation # [ 45.749540] PGD 132629067 P4D 132629067 PUD 13262a063 PMD 8000000131e000e1 # [ 45.757610] Oops: 0003 [#14] SMP PTI # [ 45.768104] CPU: 3 PID: 1904 Comm: cat Tainted: G D W 5.10.204-cip41 #1 # [ 45.777045] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 45.784146] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a # [ 45.789398] Code: 00 48 c7 c7 b0 38 f8 89 48 c7 c6 30 89 af 89 e8 4d da fb ff 48 8b 05 d2 92 a9 00 ba 34 12 cd ab 48 c7 c7 e0 38 f8 89 48 31 d0 <48> 89 05 bc 92 a9 00 e9 2b da fb ff 0f 1f 44 00 00 48 8b 05 cb bc # [ 45.816885] RSP: 0018:ffffa86a8271fe60 EFLAGS: 00010202 # [ 45.823010] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 # [ 45.831269] RDX: 00000000abcd1234 RSI: ffff9023bad9bf50 RDI: ffffffff89f838e0 # [ 45.839540] RBP: ffffffff89f82acd R08: 0000000000000000 R09: 0000000000000000 # [ 45.847801<6>[ 56.780897] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED ] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000<6>[ 56.792643] lkdtm: attempting bad refcount_inc_not_zero() from saturated 009 # [ 45.856060] R13: ffffa86a8271ff10 R14: ffffa86a8271ff1<4>[ 56.806663] ------------[ cut here ]------------ 0 R15: ffff90234391b000 # [ 45.864322] FS: 00007fb242633580(<4>[ 56.818317] refcount_t: saturated; leaking memory. 0000) GS:ffff9023bad80000(0000) knlGS:0000000000000000 # [ 45<4>[ 56.830177] WARNING: CPU: 0 PID: 2459 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 .873649] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ <4>[ 56.846151] 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_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table 45.880355] CR2: ffffffff89af8930 CR3: 0000000104630003 CR4: 00<4>[ 56.905076] CPU: 0 PID: 2459 Comm: cat Tainted: G D W 5.10.204-cip41 #1 000000003706e0 # [ 45.888617] Call Trace: # [ 45.891638] <4>[ 56.920295] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 ? __die_body.cold+0x1a/0x1f # [ 45.896309] ? no_context+0x17<4>[ 56.933603] RIP: 0010:refcount_warn_saturate+0x97/0x110 7/0x380 # [ 45.900688] ? exc_page_fault+0xd7/0x170 # [ 45<4>[ 56.945934] Code: 02 01 e8 56 f1 c5 00 0f 0b c3 cc cc cc cc 80 3d 64 fb 16 02 00 75 a8 48 c7 c7 e8 d6 ed 89 c6 05 54 fb 16 02 01 e8 33 f1 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 3e fb 16 02 00 75 85 48 c7 c7 40 d7 ed .905357] ? asm_exc_page_fault+0x1e/0x30 # [ 45.910318] ? lk<4>[ 56.973446] RSP: 0018:ffffa86a82fc7e38 EFLAGS: 00010282 dtm_WRITE_RO+0x2e/0x3a # [ 45.914890] direct_entry.cold+0x2c<4>[ 56.985780] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 /0x38 # [ 45.919552] full_proxy_write+0x53/0x80 # [ 45.92<4>[ 57.000238] RDX: ffff9023bac2c620 RSI: ffff9023bac1bf50 RDI: ffff9023bac1bf50 4124] vfs_write+0xe7/0x3b0 # [ 45.928114] ksys_write+0x68/0<4>[ 57.014740] RBP: ffffffff89f827c8 R08: 0000000000000000 R09: 0000000000000000 xf0 # [ 45.932102] do_syscall_64+0x30/0x40 # [ 45.936372]<4>[ 57.029199] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 45.942304] RIP<4>[ 57.043706] R13: ffffa86a82fc7f10 R14: ffffa86a82fc7f10 R15: ffff902342952000 : 0033:0x7fb242549473 # [ 45.946582] Code: 8b 15 21 2a 0e 00 <4>[ 57.058186] FS: 00007fa7def1d580(0000) GS:ffff9023bac00000(0000) knlGS:0000000000000000 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 1<4>[ 57.073736] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 8 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff <4>[ 57.086644] CR2: 00007fa7ded27000 CR3: 000000010388c003 CR4: 00000000003706f0 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 45.967855<4>[ 57.101198] Call Trace: ] RSP: 002b:00007ffdefd3b078 EFLAGS: 00000246 ORIG_RAX: 00000000<4>[ 57.110363] ? __warn+0x80/0x110 00000001 # [ 45.976594] RAX: ffffffffffffffda RBX: 0000000000<4>[ 57.120547] ? refcount_warn_saturate+0x97/0x110 000009 RCX: 00007fb242549473 # [ 45.984855] RDX: 000000000000<4>[ 57.132186] ? report_bug+0x9e/0xc0 0009 RSI: 00007fb24243d000 RDI: 0000000000000001 # [ 45.99311<4>[ 57.142589] ? handle_bug+0x41/0x90 6] RBP: 00007fb24243d000 R08: 00007fb24243c010 R09: 000000000000<4>[ 57.152938] ? exc_invalid_op+0x14/0x70 0000 # [ 46.001378] R10: fffffffffffffbc5 R11: 00000000000002<4>[ 57.163763] ? asm_exc_invalid_op+0x12/0x20 46 R12: 0000000000000001 # [ 46.009639] R13: 0000000000000001<4>[ 57.174902] ? refcount_warn_saturate+0x97/0x110 R14: 0000000000020000 R15: 0000000000020000 # [ 46.017903] M<4>[ 57.186562] ? refcount_warn_saturate+0x97/0x110 odules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_senso<4>[ 57.198228] __refcount_add_not_zero.constprop.0+0x2a/0x35 rs cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf <4>[ 57.210854] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_lightbar cros_<4>[ 57.223710] direct_entry.cold+0x2c/0x38 ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_<4>[ 57.234617] full_proxy_write+0x53/0x80 debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger sn<4>[ 57.245404] vfs_write+0xe7/0x3b0 d_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal<4>[ 57.255620] ksys_write+0x68/0xf0 cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_h<4>[ 57.265850] do_syscall_64+0x30/0x40 id cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore core<4>[ 57.276318] entry_SYSCALL_64_after_hwframe+0x62/0xc7 boot_table # [ 46.076895] CR2: ffffffff89af8930 # [ 46.080<4>[ 57.288498] RIP: 0033:0x7fa7dee33473 884] ---[ end trace 74b841559c2f930c ]--- # [ 46.086320] RIP:<4>[ 57.298961] 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 0010:lkdtm_BUG+0x5/0x10 # [ 46.090988] Code: 89 ff e8 be d5 <4>[ 57.326494] RSP: 002b:00007fffb1ff51d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc c<4>[ 57.341418] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fa7dee33473 c cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f <4>[ 57.355912] RDX: 0000000000000020 RSI: 00007fa7ded27000 RDI: 0000000000000001 84 00 00 00 00 00 0f 1f 44 00 00 83 05 b0 7f 0b 03 # [ 46.112<4>[ 57.370378] RBP: 00007fa7ded27000 R08: 00007fa7ded26010 R09: 0000000000000000 263] RSP: 0018:ffffa86a8134fe60 EFLAGS: 00010282 # [ 46.11838<4>[ 57.384897] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 8] RAX: ffffffff8897bd40 RBX: 0000000000000001 RCX: 000000000000<4>[ 57.399366] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0000 # [ 46.126649] RDX: 0000000000000000 RSI: ffff9023bad9bf<4>[ 57.413889] irq event stamp: 0 50 RDI: ffffffff89af84b0 # [ 46.134909] RBP: ffffffff89fe8c28<4>[ 57.423788] hardirqs last enabled at (0): [<0000000000000000>] 0x0 R08: 0000000000000001 R09: 0000000000000001 # [ 46.143169] R<4>[ 57.437298] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004<4>[ 57.452983] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 46.151430] R13: ffffa86a8134ff10 R14: ffffa86a8134ff10 R<4>[ 57.468618] softirqs last disabled at (0): [<0000000000000000>] 0x0 15: ffff902343e7b000 # [ 46.159690] FS: 00007fb242633580(000<4>[ 57.482154] ---[ end trace 74b841559c2f931c ]--- 0) GS:ffff9023bad80000(0000) knlGS:0000000000000000 # [ 46.16<6>[ 57.493858] lkdtm: Saturation detected: still saturated 9018] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 46.175725] CR2: ffffffff89af8930 CR3: 0000000104630003 CR4: 00000000003706e0 # WRITE_RO: saw 'call trace:': ok ok 39 selftests: lkdtm: WRITE_RO.sh # selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # Killed # [ 46.319593] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT # [ 46.327774] lkdtm: attempting bad ro_after_init write at ffffffff8a00b350 # [ 46.335686] BUG: unable to handle page fault for address: ffffffff8a00b350 # [ 46.343688] #PF: supervisor write access in kernel mode # [ 46.349815] #PF: error_code(0x0003) - permissions violation # [ 46.356330] PGD 132629067 P4D 132629067 PUD 13262a063 PMD 10005f063 PTE 800000013240b061 # [ 46.365666] Oops: 0003 [#15] SMP PTI # [ 46.376160] CPU: 3 PID: 1940 Comm: cat Tainted: G D W 5.10.204-cip41 #1 # [ 46.385102] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 46.392199] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a # [ 46.398519] Code: 39 f8 89 e9 ff d9 fb ff 48 c7 c7 38 39 f8 89 e8 f3 d9 fb ff 48 8b 05 98 bc fa 00 ba 34 12 cd ab 48 c7 c7 e0 38 f8 89 48 31 d0 <48> 89 05 82 bc fa 00 e9 d1 d9 fb ff 0f 1f 44 00 00 41 54 48 c7 c7 # [ 46.419814] RSP: 0018:ffffa86a82797e60 EFLAGS: 00010202 # [ 46.425939] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 # [ 46.434197] RDX: 00000000abcd1234 RSI: ffff9023bad9bf50 RDI: ffffffff89f838e0 # [ 46.442458] RBP: ffffffff89f82ad6 R08: 0000000000000000 R09: 0000000000000000 # [ 46.450718] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 # [ 46.458977] R13: ffffa86a82797f10 R14: ffffa86a82797f10 R15: ffff902342950000 # [ 46.467239] FS: 00007fcedb0fc580(0000) GS:ffff9023bad80000(0000) knlGS:0000000000000000 # [ 46.476568] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 46.483275] CR2: ffffffff8a00b350 CR3: 00000001047ee005 CR4: 00000000003706e0 # [ 46.491555] Call Trace: # [ 46.494575] ? __die_body.cold+0x1a/0x1f # [ 46.499246] ? no_context+0x1<6>[ 57.699940] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED 77/0x380 # [ 46.503624] ? exc_page_fault+0xd7/0x170 # [ 4<6>[ 57.713540] lkdtm: attempting bad refcount_add_not_zero() from saturated 6.508292] ? asm_exc_page_fault+0x1e/0x30 # [ 46.513253] ? l<4>[ 57.727575] ------------[ cut here ]------------ kdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a # [ 46.518891] direct_ent<4>[ 57.739247] refcount_t: saturated; leaking memory. ry.cold+0x2c/0x38 # [ 46.523560] full_proxy_write+0x53/0x80 <4>[ 57.751146] WARNING: CPU: 0 PID: 2492 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 46.528132] vfs_write+0xe7/0x3b0 # [ 46.532122] ksys_<4>[ 57.767070] 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_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table write+0x68/0xf0 # [ 46.536102] do_syscall_64+0x30/0x40 # [ <4>[ 57.826051] CPU: 0 PID: 2492 Comm: cat Tainted: G D W 5.10.204-cip41 #1 46.540383] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 46<4>[ 57.841229] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 .546315] RIP: 0033:0x7fcedb012473 # [ 46.550594] Code: 8b 15 <4>[ 57.854581] RIP: 0010:refcount_warn_saturate+0x97/0x110 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 6<4>[ 57.866896] Code: 02 01 e8 56 f1 c5 00 0f 0b c3 cc cc cc cc 80 3d 64 fb 16 02 00 75 a8 48 c7 c7 e8 d6 ed 89 c6 05 54 fb 16 02 01 e8 33 f1 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 3e fb 16 02 00 75 85 48 c7 c7 40 d7 ed 4 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d <4>[ 57.894434] RSP: 0018:ffffa86a830d7e38 EFLAGS: 00010282 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [<4>[ 57.906777] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 46.571867] RSP: 002b:00007ffe0c1711a8 EFLAGS: 00000246 ORIG_R<4>[ 57.921249] RDX: ffff9023bac2c620 RSI: ffff9023bac1bf50 RDI: ffff9023bac1bf50 AX: 0000000000000001 # [ 46.580614] RAX: ffffffffffffffda RBX<4>[ 57.935723] RBP: ffffffff89f827e8 R08: 0000000000000000 R09: 0000000000000000 : 0000000000000014 RCX: 00007fcedb012473 # [ 46.588874] RDX: <4>[ 57.950218] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 0000000000000014 RSI: 00007fcedaf06000 RDI: 0000000000000001 # <4>[ 57.964679] R13: ffffa86a830d7f10 R14: ffffa86a830d7f10 R15: ffff90234622e000 [ 46.597134] RBP: 00007fcedaf06000 R08: 00007fcedaf05010 R09: <4>[ 57.979167] FS: 00007fb39be1b580(0000) GS:ffff9023bac00000(0000) knlGS:0000000000000000 0000000000000000 # [ 46.605395] R10: fffffffffffffbc5 R11: 00<4>[ 57.994703] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 00000000000246 R12: 0000000000000001 # [ 46.613654] R13: 0000<4>[ 58.007643] CR2: 00007fb39bc25000 CR3: 0000000105ad6001 CR4: 00000000003706f0 000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ <4>[ 58.022115] Call Trace: 46.621919] Modules linked in: fuse ip_tables cros_ec_lid_angle c<4>[ 58.031357] ? __warn+0x80/0x110 ros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffe<4>[ 58.041463] ? refcount_warn_saturate+0x97/0x110 r kfifo_buf industrialio snd_soc_da7219 cros_ec_sysfs cros_ec_li<4>[ 58.053156] ? report_bug+0x9e/0xc0 ghtbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmal<4>[ 58.063551] ? handle_bug+0x41/0x90 loc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbp<4>[ 58.073929] ? exc_invalid_op+0x14/0x70 d_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_<4>[ 58.084712] ? asm_exc_invalid_op+0x12/0x20 temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regm<4>[ 58.095925] ? refcount_warn_saturate+0x97/0x110 ap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos<4>[ 58.107565] ? refcount_warn_saturate+0x97/0x110 _pstore coreboot_table # [ 46.674693] CR2: ffffffff8a00b350 <4>[ 58.119246] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 46.684894] ---[ end trace 74b841559c2f930d ]--- # [ 46.<4>[ 58.131863] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 690340] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 46.695009] Code: 89 <4>[ 58.144689] direct_entry.cold+0x2c/0x38 ff e8 be d5 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff f<4>[ 58.155573] full_proxy_write+0x53/0x80 f c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> <4>[ 58.166379] vfs_write+0xe7/0x3b0 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 b0 7f 0b 03 <4>[ 58.176579] ksys_write+0x68/0xf0 # [ 46.716284] RSP: 0018:ffffa86a8134fe60 EFLAGS: 00010282 # <4>[ 58.186771] do_syscall_64+0x30/0x40 [ 46.722399] RAX: ffffffff8897bd40 RBX: 0000000000000001 RCX: <4>[ 58.197292] entry_SYSCALL_64_after_hwframe+0x62/0xc7 0000000000000000 # [ 46.730658] RDX: 0000000000000000 RSI: ff<4>[ 58.209458] RIP: 0033:0x7fb39bd31473 ff9023bad9bf50 RDI: ffffffff89af84b0 # [ 46.738917] RBP: ffff<4>[ 58.219914] 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 ffff89fe8c28 R08: 0000000000000001 R09: 0000000000000001 # [ <4>[ 58.247452] RSP: 002b:00007fff71302758 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 46.747177] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000<4>[ 58.262441] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fb39bd31473 000000000004 # [ 46.755438] R13: ffffa86a8134ff10 R14: ffffa8<4>[ 58.276943] RDX: 0000000000000020 RSI: 00007fb39bc25000 RDI: 0000000000000001 6a8134ff10 R15: ffff902343e7b000 # [ 46.763699] FS: 00007fce<4>[ 58.291411] RBP: 00007fb39bc25000 R08: 00007fb39bc24010 R09: 0000000000000000 db0fc580(0000) GS:ffff9023bad80000(0000) knlGS:0000000000000000 <4>[ 58.305929] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 46.773029] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050<4>[ 58.320398] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 033 # [ 46.779734] CR2: ffffffff8a00b350 CR3: 00000001047ee00<4>[ 58.334895] irq event stamp: 0 5 CR4: 00000000003706e0 # [ 46.787994] BUG: sleeping function<4>[ 58.344813] hardirqs last enabled at (0): [<0000000000000000>] 0x0 called from invalid context at include/linux/percpu-rwsem.h:49 <4>[ 58.358320] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 46.798197] in_atomic(): 0, irqs_disabled(): 1, non_block:<4>[ 58.373968] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 0, pid: 1940, name: cat # [ 46.806944] INFO: lockdep is turn<4>[ 58.389610] softirqs last disabled at (0): [<0000000000000000>] 0x0 ed off. # [ 46.811610] irq event stamp: 0 # [ 46.815305] h<4>[ 58.403122] ---[ end trace 74b841559c2f931d ]--- ardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 46<6>[ 58.414782] lkdtm: Saturation detected: still saturated .822595] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 46.832020] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 46.841447] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 46.848738] CPU: 3 PID: 1940 Comm: cat Tainted: G D W 5.10.204-cip41 #1 # [ 46.857678] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 46.864777] Call Trace: # [ 46.867795] dump_stack+0x77/0x9b # [ 46.871785] ___might_sleep.cold+0xa6/0xb6 # [ 46.876649] exit_signals+0x1c/0x300 # [ 46.880929] do_exit+0xc2/0xab0 # [ 46.884724] ? ksys_write+0x68/0xf0 # [ 46.888907] make_task_dead+0x2f/0x30 # [ 46.893284] rewind_stack_and_make_dead+0x17/0x20 # [ 46.898817] RIP: 0033:0x7fcedb012473 # [ 46.903095] 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 # [ 46.924367] RSP: 002b:00007ffe0c1711a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 46.933112] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007fcedb012473 # [ 46.941373] RDX: 0000000000000014 RSI: 00007fcedaf06000 RDI: 0000000000000001 # [ 46.949633] RBP: 00007fcedaf06000 R08: 00007fcedaf05010 R09: 0000000000000000 # [ 46.957893] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 46.966152] 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 # [ 47.157901] lkdtm: Performing direct entry WRITE_KERN # [ 47.166870] lkdtm: attempting bad 7222472 byte write at ffffffff8905f5d8 # [ 47.174660] BUG: unable to handle page fault for address: ffffffff8905f5d8 # [ 47.182655] #PF: supervisor write access in kernel mode # [ 47.194995] #PF: error_co<6>[ 58.618303] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED <6>[ 58.627740] lkdtm: attempting bad refcount_dec_and_test() from saturated <4>[ 58.635530] ------------[ cut here ]------------ <4>[ 58.640985] refcount_t: underflow; use-after-free. <4>[ 58.646656] WARNING: CPU: 2 PID: 2528 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 de(0x0003) - permissions violation # [ 47.201500] PGD 1326290<4>[ 58.656383] 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_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table <4>[ 58.715335] CPU: 2 PID: 2528 Comm: cat Tainted: G D W 5.10.204-cip41 #1 <4>[ 58.724279] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 58.731379] RIP: 0010:refcount_warn_saturate+0xba/0x110 <4>[ 58.737509] Code: 02 01 e8 33 f1 c5 00 0f 0b c3 cc cc cc cc 80 3d 3e fb 16 02 00 75 85 48 c7 c7 40 d7 ed 89 c6 05 2e fb 16 02 01 e8 10 f1 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 19 fb 16 02 00 0f 85 5e ff ff ff 48 c7 <4>[ 58.758788] RSP: 0018:ffffa86a8317fe40 EFLAGS: 00010286 <4>[ 58.764945] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 <4>[ 58.773211] RDX: ffff9023bad2c620 RSI: ffff9023bad1bf50 RDI: ffff9023bad1bf50 <4>[ 58.781493] RBP: ffffffff89f82808 R08: 0000000000000000 R09: 0000000000000000 67 P4D 132629067 PUD 13262a063 PMD 1314000e1 # [ 47.208890] <4>[ 58.789765] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 <4>[ 58.804240] R13: ffffa86a8317ff10 R14: ffffa86a8317ff10 R15: ffff902346037000 <4>[ 58.812506] FS: 00007f3e135ef580(0000) GS:ffff9023bad00000(0000) knlGS:0000000000000000 <4>[ 58.821837] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 58.828547] CR2: 00007f3e133f9000 CR3: 000000010389c002 CR4: 00000000003706e0 <4>[ 58.836813] Call Trace: <4>[ 58.839837] ? __warn+0x80/0x110 Oops: 0003 [#16] SMP PTI # [ 47.213171] CPU: 3 PID: 1976 Comm<4>[ 58.843758] ? refcount_warn_saturate+0xba/0x110 <4>[ 58.855416] ? report_bug+0x9e/0xc0 <4>[ 58.859626] ? handle_bug+0x41/0x90 <4>[ 58.863843] ? exc_invalid_op+0x14/0x70 <4>[ 58.868418] ? asm_exc_invalid_op+0x12/0x20 <4>[ 58.873402] ? refcount_warn_saturate+0xba/0x110 : cat Tainted: G D W 5.10.204-cip41 #1 # [ 47.22<4>[ 58.878861] __refcount_sub_and_test.constprop.0+0x3c/0x50 <4>[ 58.891494] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 2104] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [<4>[ 58.898119] direct_entry.cold+0x2c/0x38 47.229204] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e # [ 47.234<4>[ 58.909000] full_proxy_write+0x53/0x80 647] Code: 53 48 c7 c3 d8 f5 05 89 49 89 dc 48 89 da 49 81 ec 10<4>[ 58.919789] vfs_write+0xe7/0x3b0 <4>[ 58.929997] ksys_write+0x68/0xf0 <4>[ 58.934020] do_syscall_64+0x30/0x40 <4>[ 58.938328] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 58.944292] RIP: 0033:0x7f3e13505473 <4>[ 58.948575] 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>[ 58.969879] RSP: 002b:00007ffd569719e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 c1 97 88 4c 89 e6 e8 a6 d9 fb ff 48 89 df 4c 89 e1 48 c7 c6 10 <4>[ 58.978647] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f3e13505473 <4>[ 58.993113] RDX: 0000000000000020 RSI: 00007f3e133f9000 RDI: 0000000000000001 <4>[ 59.001380] RBP: 00007f3e133f9000 R08: 00007f3e133f8010 R09: 0000000000000000 <4>[ 59.009642] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 59.017907] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 59.026175] irq event stamp: 0 <4>[ 59.029907] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 59.037201] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 59.046632] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 59.056062] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 59.063355] ---[ end trace 74b841559c2f931e ]--- <6>[ 59.068803] lkdtm: Saturation detected: still saturated c1 97 88 a4 48 c7 c7 e0 38 f8 89 e8 8b d9 fb ff 5b 41 5c e9 b7 fe ff ff # [ 47.255923] RSP: 0018:ffffa86a82827e50 EFLAGS: 00010246 # [ 47.262049] RAX: 000000000000003c RBX: ffffffff8905f5d8 RCX: 00000000006e34c8 # [ 47.270310] RDX: 0000000000000000 RSI: ffffffff8897c110 RDI: ffffffff8905f5d8 # [ 47.278573] RBP: ffffffff89f82aea R08: 0000000000000000 R09: 0000000000000000 # [ 47.286833] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000006e34c8 # [ 47.295093] R13: ffffa86a82827f10 R14: ffffa86a82827f10 R15: ffff902343d6f000 # [ 47.303355] FS: 00007ff99f811580(0000) GS:ffff9023bad80000(0000) knlGS:0000000000000000 # [ 47.312675] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 47.319381] CR2: ffffffff8905f5d8 CR3: 0000000106488001 CR4: 00000000003706e0 # [ 47.327642] Call Trace: # [ 47.330663] ? __die_body.cold+0x1a/0x1f # [ 47.335332] ? no_context+0x177/0x380 # [ 47.339711] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 # [ 47.345449] ? exc_page_fault+0xd7/0x170 # [ 47.350117] ? asm_exc_page_fault+0x1e/0x30 # [ 47.355077] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 # [ 47.360806] ? lkdtm_SLAB_FREE_PAGE+0x40/0x40 # [ 47.365958] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 # [ 47.371694] ? lkdtm_WRITE_KERN+0x38/0x4e # [ 47.376450] direct_entry.cold+0x2c/0x38 # [ 47.381122] full_proxy_write+0x53/0x80 # [ 47.385695] vfs_write+0xe7/0x3b0 # [ 47.389684] ksys_write+0x68/0xf0 # [ 47.393664] do_syscall_64+0x30/0x40 # [ 47.397936] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 47.403865] RIP: 0033:0x7ff99f727473 # [ 47.408143] 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 # [ 47.429420] RSP: 002b:00007ffd72b4bb28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 47.438167] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007ff99f727473 # [ 47.446428] RDX: 000000000000000b RSI: 00007ff99f61b000 RDI: 0000000000000001 # [ 47.454689] RBP: 00007ff99f61b000 R08: 00007ff99f61a010 R09: 0000000000000000 # [ 47.462950] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 47.471210] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 47.479492] 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_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc<6>[ 59.333181] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED <6>[ 59.345804] lkdtm: attempting bad refcount_sub_and_test() from saturated <4>[ 59.353616] ------------[ cut here ]------------ _core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros<4>[ 59.359087] refcount_t: underflow; use-after-free. _ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cr<4>[ 59.370957] WARNING: CPU: 3 PID: 2564 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 <4>[ 59.386876] 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_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table os_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_<4>[ 59.439672] CPU: 3 PID: 2564 Comm: cat Tainted: G D W 5.10.204-cip41 #1 <4>[ 59.454821] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 59.461945] RIP: 0010:refcount_warn_saturate+0xba/0x110 <4>[ 59.468074] Code: 02 01 e8 33 f1 c5 00 0f 0b c3 cc cc cc cc 80 3d 3e fb 16 02 00 75 85 48 c7 c7 40 d7 ed 89 c6 05 2e fb 16 02 01 e8 10 f1 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 19 fb 16 02 00 0f 85 5e ff ff ff 48 c7 <4>[ 59.489351] RSP: 0018:ffffa86a831e7e40 EFLAGS: 00010286 table # [ 47.538450] CR2: ffffffff8905f5d8 # [ 47.542439] <4>[ 59.495495] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 <4>[ 59.509968] RDX: ffff9023badac620 RSI: ffff9023bad9bf50 RDI: ffff9023bad9bf50 <4>[ 59.518263] RBP: ffffffff89f82828 R08: 0000000000000000 R09: 0000000000000000 <4>[ 59.526539] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 <4>[ 59.534804] R13: ffffa86a831e7f10 R14: ffffa86a831e7f10 R15: ffff902345a17000 <4>[ 59.543071] FS: 00007f31b7370580(0000) GS:ffff9023bad80000(0000) knlGS:0000000000000000 <4>[ 59.552404] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 59.559114] CR2: 00007f31b717a000 CR3: 0000000105562006 CR4: 00000000003706e0 <4>[ 59.567379] Call Trace: <4>[ 59.570403] ? __warn+0x80/0x110 <4>[ 59.574330] ? refcount_warn_saturate+0xba/0x110 <4>[ 59.579801] ? report_bug+0x9e/0xc0 <4>[ 59.583991] ? handle_bug+0x41/0x90 <4>[ 59.588206] ? exc_invalid_op+0x14/0x70 <4>[ 59.592783] ? asm_exc_invalid_op+0x12/0x20 <4>[ 59.597779] ? refcount_warn_saturate+0xba/0x110 <4>[ 59.603262] __refcount_sub_and_test.constprop.0+0x3c/0x50 <4>[ 59.609715] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 <4>[ 59.616332] direct_entry.cold+0x2c/0x38 <4>[ 59.621035] full_proxy_write+0x53/0x80 <4>[ 59.625643] vfs_write+0xe7/0x3b0 <4>[ 59.629666] ksys_write+0x68/0xf0 ---[ end trace 74b841559c2f930e ]--- # [ 47.547882] RIP: 0010<4>[ 59.633661] do_syscall_64+0x30/0x40 :lkdtm_BUG+0x5/0x10 # [ 47.552549] Code: 89 ff e8 be d5 79 ff<4>[ 59.644158] entry_SYSCALL_64_after_hwframe+0x62/0xc7 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc <4>[ 59.656311] RIP: 0033:0x7f31b7286473 <4>[ 59.666807] 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>[ 59.688084] RSP: 002b:00007ffd66ca1838 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 59.696835] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f31b7286473 <4>[ 59.705099] RDX: 0000000000000020 RSI: 00007f31b717a000 RDI: 0000000000000001 <4>[ 59.713362] RBP: 00007f31b717a000 R08: 00007f31b7179010 R09: 0000000000000000 <4>[ 59.721625] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 59.729888] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 59.738147] irq event stamp: 0 <4>[ 59.741875] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 59.749168] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 59.758598] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 59.768027] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 59.775318] ---[ end trace 74b841559c2f931f ]--- <6>[ 59.780765] lkdtm: Saturation detected: still saturated 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 b0 7f 0b 03 # [ 47.573824] RSP: 0018:ffffa86a8134fe60 EFLAGS: 00010282 # [ 47.579949] RAX: ffffffff8897bd40 RBX: 0000000000000001 RCX: 0000000000000000 # [ 47.588210] RDX: 0000000000000000 RSI: ffff9023bad9bf50 RDI: ffffffff89af84b0 # [ 47.596488] RBP: ffffffff89fe8c28 R08: 0000000000000001 R09: 0000000000000001 # [ 47.604749] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 47.613009] R13: ffffa86a8134ff10 R14: ffffa86a8134ff10 R15: ffff902343e7b000 # [ 47.621270] FS: 00007ff99f811580(0000) GS:ffff9023bad80000(0000) knlGS:0000000000000000 # [ 47.630600] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 47.637306] CR2: ffffffff8905f5d8 CR3: 0000000106488001 CR4: 00000000003706e0 # WRITE_KERN: saw 'call trace:': ok ok 41 selftests: lkdtm: WRITE_KERN.sh # selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # [ 47.774029] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 47.783266] lkdtm: attempting good refcount_inc() without overflow # [ 47.790474] lkdtm: attempting bad refcount_inc() overflow # [ 47.796804] ------------[ cut here ]------------ # [ 47.802252] refcount_t: saturated; leaking memory. # [ 47.807922] WARNING: CPU: 2 PID: 2012 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 47.817646] 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_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 47.876601] CPU: 2 PID: 2012 Comm: cat Tainted: G D W 5.10.204-cip41 #1 # [ 47.885568] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 47.892667] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 47.898795] Code: 84 bc<6>[ 59.996685] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d a9 fb 16 02 00 75 ee <6>[ 60.005319] lkdtm: attempting good copy_to_user of correct size 48 c7 c7 e8 d6 ed 89 c6 05 99 fb 16 02 01 e8 79 f1 c5 00 <0f> 0b<6>[ 60.018432] lkdtm: attempting bad copy_to_user of too large size c3 cc cc cc cc 80 3d 85 fb 16 02 00 75 cb 48 c7 c7 10 d7 ed # [ 47.920078] RSP: 0018:ffffa86a828b7e48 EFLAGS: 00010286 # [ 47.932419] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 # [ 47.940684] RDX: ffff9023bad2c620 RSI: ffff9023bad1bf50 RDI: ffff9023bad1bf50 # [ 47.955166] RBP: ffffffff89f82af5 R08: 0000000000000000 R09: 0000000000000000 # [ 47.963459] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 47.971746] R13: ffffa86a828b7f10 R14: ffffa86a828b7f10 R15: ffff902343e76000 # [ 47.980011] FS: 00007f7f96d1e580(0000) GS:ffff9023bad00000(0000) knlGS:0000000000000000 # [ 47.989344] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 47.996079] CR2: 00007f7f96b28000 CR3: 00000001057a6003 CR4: 00000000003706e0 # [ 48.004358] Call Trace: # [ 48.013587] ? __warn+0x80/0x110 # [ 48.017512] ? refcount_warn_saturate+0x51/0x110 # [ 48.029166] ? report_bug+0x9e/0xc0 # [ 48.033358] ? handle_bug+0x41/0x90 # [ 48.037573] ? exc_invalid_op+0x14/0x70 # [ 48.042149] ? asm_exc_invalid_op+0x12/0x20 # [ 48.047135] ? refcount_warn_saturate+0x51/0x110 # [ 48.052615] ? refcount_warn_saturate+0x51/0x110 # [ 48.058085] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 # [ 48.063728] direct_entry.cold+0x2c/0x38 # [ 48.068402] full_proxy_write+0x53/0x80 # [ 48.073009] vfs_write+0xe7/0x3b0 # [ 48.077033] ksys_write+0x68/0xf0 # [ 48.081028] do_syscall_64+0x30/0x40 # [ 48.085340] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 48.091274] RIP: 0033:0x7f7f96c34473 # [ 48.095558] 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 0<6>[ 60.197945] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM <6>[ 60.206668] lkdtm: attempting good copy_from_user of correct size 5 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 <6>[ 60.213778] lkdtm: attempting bad copy_from_user of too large size 24 18 # [ 48.116837] RSP: 002b:00007ffff95a9658 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 48.125588] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f7f96c34473 # [ 48.133853] RDX: 0000000000000016 RSI: 00007f7f96b28000 RDI: 0000000000000001 # [ 48.142116] RBP: 00007f7f96b28000 R08: 00007f7f96b27010 R09: 0000000000000000 # [ 48.150380] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 48.158644] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 48.166914] irq event stamp: 0 # [ 48.170644] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 48.177939] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 48.187369] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 48.196802] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 48.204096] ---[ end trace 74b841559c2f930f ]--- # [ 48.209557] 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 # [ 48.366045] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 48.377306] lkdtm: attempting good refcount_add() without overflow # [ 48.390735] lkdtm: attempting bad refcount_add() overflow # [ 48.403275] ------------[ cut here ]------------ # [ 48.414964] refcount_t: saturated; leaking memory. # [ 48.426838] WARNING: CPU: 0 PID: 2045 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 48.442757] 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_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 48.501744] CPU: 0 PID: 2045 Comm: cat Tainted: G D W 5.10.204-cip41 #1 # [ 48.516890] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 48.530245] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 48.542553] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d a9 fb 16 02 00 75 ee 48 c7 c7 e8 d6 ed 89 c6 05 99 fb 16 02 01 e8 79 f1 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 85 fb 16 02 00 75 cb 48 c7 c7 10 d7 ed # [ 48.570087] RSP: 0018:ffffa86a82957e48 EFLAGS: 00010286 # [ 48.582415] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 # [ 48.596937] RDX: ffff9023bac2c620 RSI: ffff9023bac1bf50 RDI: ffff9023bac1bf50 # [ 48.611403] RBP: ffffffff89f82b0b R08: 0000000000000000 R09: 0000000000000000 # [ 48.625923] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 48.640391] R13: ffffa86a82957f10 R14: ffffa86a82957f10 R15: ffff9023443d4000 # [ 48.654873] FS: 00007f707f6f8580(0000) GS:ffff9023bac00000(0000) knlGS:0000000000000000 # [ 48.670460] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 48.683435] CR2: 00007f707f502000 CR3: 0000000106064006 CR4: 00000000003706f0 # [ 48.697877] Call Trace: # [ 48.707171] ?<6>[ 60.552430] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO __warn+0x80/0x110 # [ 48.717259] ? refcount_warn_saturate+0<6>[ 60.562313] lkdtm: attempting good copy_to_user inside whitelist x51/0x110 # [ 48.728928] ? report_bug+0x9e/0xc0 # [ 48.73<6>[ 60.575537] lkdtm: attempting bad copy_to_user outside whitelist 9342] ? handle_bug+0x41/0x90 # [ 48.749752] ? exc_invalid_op+0x14/0x70 # [ 48.760520] ? asm_exc_invalid_op+0x12/0x20 # [ 48.771714] ? refcount_warn_saturate+0x51/0x110 # [ 48.783361] ? refcount_warn_saturate+0x51/0x110 # [ 48.795054] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 # [ 48.806900] direct_entry.cold+0x2c/0x38 # [ 48.817815] full_proxy_write+0x53/0x80 # [ 48.828583] vfs_write+0xe7/0x3b0 # [ 48.838811] ksys_write+0x68/0xf0 # [ 48.849005] do_syscall_64+0x30/0x40 # [ 48.859526] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 48.871659] RIP: 0033:0x7f707f60e473 # [ 48.882184] 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 # [ 48.909662] RSP: 002b:00007fff57761d98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 48.924651] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f707f60e473 # [ 48.939109] RDX: 0000000000000016 RSI: 00007f707f502000 RDI: 0000000000000001 # [ 48.953590] RBP: 00007f707f502000 R08: 00007f707f501010 R09: 0000000000000000 # [ 48.968067] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 48.982563] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 48.997043] irq event stamp: 0 # [ 49.006944] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 49.020501] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 49.036107] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 49.051754] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 49.06<6>[ 60.755207] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM 5249] ---[ end trace 74b841559c2f9310 ]--- # [ 49.076928] lkd<6>[ 60.764274] lkdtm: attempting good copy_from_user inside whitelist tm: Overflow detected: saturated # REFCOUNT_ADD_OVERFLOW: saw '<6>[ 60.777680] lkdtm: attempting bad copy_from_user outside whitelist call trace:': ok ok 43 selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh # [ 49.224515] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 49.233096] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 49.246511] ------------[ cut here ]------------ # [ 49.258174] refcount_t: saturated; leaking memory. # [ 49.270068] WARNING: CPU: 1 PID: 2078 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 49.285984] 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_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 49.344972] CPU: 1 PID: 2078 Comm: cat Tainted: G D W 5.10.204-cip41 #1 # [ 49.360125] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 49.373420] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 49.385762] Code: 02 01 e8 56 f1 c5 00 0f 0b c3 cc cc cc cc 80 3d 64 fb 16 02 00 75 a8 48 c7 c7 e8 d6 ed 89 c6 05 54 fb 16 02 01 e8 33 f1 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 3e fb 16 02 00 75 85 48 c7 c7 40 d7 ed # [ 49.413255] RSP: 0018:ffffa86a829e7e38 EFLAGS: 00010282 # [ 49.425600] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 49.433864] RDX: ffff9023bacac620 RSI: ffff9023bac9bf50 RDI: ffff9023bac9bf50 # [ 49.448345] RBP: ffffffff89f82748 R08: 0000000000000000 R09: 0000000000000000 # [ <6>[ 60.961948] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO 49.456610] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000<6>[ 60.972543] lkdtm: good_stack: ffffa86a835b7e20-ffffa86a835b7e40 00000000001f # [ 49.471086] R13: ffffa86a829e7f10 R14: ffffa8<6>[ 60.985762] lkdtm: bad_stack : ffffa86a835b7da8-ffffa86a835b7dc8 6a829e7f10 R15: ffff9023441b4000 # [ 49.479353] FS: 00007fe0<6>[ 60.998996] lkdtm: attempting good copy_to_user of local stack 0052f580(0000) GS:ffff9023bac80000(0000) knlGS:0000000000000000 <6>[ 61.012000] lkdtm: attempting bad copy_to_user of distant stack # [ 49.494899] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 49.501612] CR2: 00007fe000339000 CR3: 000000010591e004 CR4: 00000000003706e0 # [ 49.516086] Call Trace: # [ 49.519110] ? __warn+0x80/0x110 # [ 49.529213] ? refcount_warn_saturate+0x97/0x110 # [ 49.534688] ? report_bug+0x9e/0xc0 # [ 49.545086] ? handle_bug+0x41/0x90 # [ 49.555487] ? exc_invalid_op+0x14/0x70 # [ 49.560064] ? asm_exc_invalid_op+0x12/0x20 # [ 49.565034] ? refcount_warn_saturate+0x97/0x110 # [ 49.570491] ? refcount_warn_saturate+0x97/0x110 # [ 49.575944] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 49.582368] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 49.588895] direct_entry.cold+0x2c/0x38 # [ 49.593570] full_proxy_write+0x53/0x80 # [ 49.604362] vfs_write+0xe7/0x3b0 # [ 49.614566] ksys_write+0x68/0xf0 # [ 49.624773] do_syscall_64+0x30/0x40 # [ 49.629081] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 49.641226] RIP: 0033:0x7fe000445473 # [ 49.651723] 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 # [ 49.673003] RSP: 002b:00007ffc3a1f6788 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 49.687965] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fe000445473 # [ 49.696229] RDX: 000000000000001f RSI: 00007fe000339000 RDI: 0000000000000001 # [ 49.710704] RBP: 00007fe000339000 R08: 00007fe000338010 R09: 0000000000000000 # [ 49.718969] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 49.733444] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 49.741713] irq event stamp: 0 # [ 49.75<6>[ 61.194446] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM 1620] hardirqs last enabled at (0): [<0000000000000000>] 0x0 #<6>[ 61.206697] lkdtm: good_stack: ffffa86a83647e20-ffffa86a83647e40 [ 49.765129] hardirqs last disabled at (0): [[ 61.219925] lkdtm: bad_stack : ffffa86a83647da8-ffffa86a83647dc8 c>] copy_process+0x65c/0x20e0 # [ 49.774586] softirqs last e<6>[ 61.233134] lkdtm: attempting good copy_from_user of local stack nabled at (0): [] copy_process+0x65c/0x20e0 #<6>[ 61.246330] lkdtm: attempting bad copy_from_user of distant stack [ 49.790226] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 49.797540] ---[ end trace 74b841559c2f9311 ]--- # [ 49.809190] 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 # [ 49.966201] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 49.977829] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 49.991240] ------------[ cut here ]------------ # [ 50.002901] refcount_t: saturated; leaking memory. # [ 50.014791] WARNING: CPU: 1 PID: 2111 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 50.030696] 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_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 50.089683] CPU: 1 PID: 2111 Comm: cat Tainted: G D W 5.10.204-cip41 #1 # [ 50.098654] Hardware name: Google Rammus/Rammus, BIOS<6>[ 61.394711] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND <6>[ 61.403373] lkdtm: good_stack: ffffa86a836bfe20-ffffa86a836bfe40 <6>[ 61.410397] lkdtm: bad_stack : ffffa86a836bfff8-ffffa86a836c0018 <6>[ 61.417435] lkdtm: attempting good copy_to_user of local stack <6>[ 61.424266] lkdtm: attempting bad copy_to_user of distant stack <4>[ 61.431189] lkdtm: copy_to_user failed, but lacked Oops 09/04/2020 # [ 50.111963] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 50.118117] Code: 02 01 e8 56 f1 c5 00 0f 0b c3 cc cc cc cc 80 3d 64 fb 16 02 00 75 a8 48 c7 c7 e8 d6 ed 89 c6 05 54 fb 16 02 01 e8 33 f1 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 3e fb 16 02 00 75 85 48 c7 c7 40 d7 ed # [ 50.145603] RSP: 0018:ffffa86a82a4fe38 EFLAGS: 00010282 # [ 50.151758] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 50.166231] RDX: ffff9023bacac620 RSI: ffff9023bac9bf50 RDI: ffff9023bac9bf50 # [ 50.174542] RBP: ffffffff89f82768 R08: 0000000000000000 R09: 0000000000000000 # [ 50.189013] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 50.197279] R13: ffffa86a82a4ff10 R14: ffffa86a82a4ff10 R15: ffff902344795000 # [ 50.211752] FS: 00007f0ff72d5580(0000) GS:ffff9023bac80000(0000) knlGS:0000000000000000 # [ 50.221086] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 50.234004] CR2: 00007f0ff70df000 CR3: 0000000102664003 CR4: 00000000003706e0 # [ 50.242270] Call Trace: # [ 50.251508] ? __warn+0x80/0x110 # [ 50.261615] ? refcount_warn_saturate+0x97/0x110 # [ 50.273279] ? report_bug+0x9e/0xc0 # [ 50.283679] ? handle_bug+0x41/0x90 # [ 50.294076] ? exc_invalid_op+0x14/0x70 # [ 50.304892] ? asm_exc_invalid_op+0x12/0x20 # [ 50.316070] <6>[ 61.563671] lkdtm: Performing direct entry USERCOPY_KERNEL <6>[ 61.574336] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff89af8950 <6>[ 61.583315] lkdtm: attempting bad copy_to_user from kernel text: ffffffff880e2c00 ? refcount_warn_saturate+0x97/0x110 # [ 50.327710] ? refcou<3>[ 61.591975] lkdtm: FAIL: survived bad copy_to_user() nt_warn_saturate+0x97/0x110 # [ 50.339374] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 50.352009] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 50.364739] direct_entry.cold+0x2c/0x38 # [ 50.375627] full_proxy_write+0x53/0x80 # [ 50.386415] vfs_write+0xe7/0x3b0 # [ 50.396619] ksys_write+0x68/0xf0 # [ 50.406824] do_syscall_64+0x30/0x40 # [ 50.417320] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 50.429495] RIP: 0033:0x7f0ff71eb473 # [ 50.439991] 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 # [ 50.467494] RSP: 002b:00007ffc936c9848 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 50.482458] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f0ff71eb473 # [ 50.496960] RDX: 000000000000001f RSI: 00007f0ff70df000 RDI: 0000000000000001 # [ 50.511439] RBP: 00007f0ff70df000 R08: 00007f0ff70de010 R09: 0000000000000000 # [ 50.525917] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 50.540399] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 50.554885] irq event stamp: 0 # [ 50.564794] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 50.572090] hardirqs last disabled at (0): [] copy_process+0x65c/0x2<6>[ 61.739474] lkdtm: Performing direct entry STACKLEAK_ERASING 0e0 # [ 50.587734] softirqs last enabled at (0): [[ 61.747542] lkdtm: checking unused part of the thread stack (15928 bytes)... 7efd6cc>] copy_process+0x65c/0x20e0 # [ 50.603376] softirqs l<3>[ 61.761928] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) ast disabled at (0): [<0000000000000000>] 0x0 # [ 50.610669] <3>[ 61.776196] lkdtm: FAIL: the thread stack is NOT properly erased ---[ end trace 74b841559c2f9312 ]--- # [ 50.622327] lkdtm: Ov<4>[ 61.789461] CPU: 0 PID: 2940 Comm: cat Tainted: G D W 5.10.204-cip41 #1 <4>[ 61.804594] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 61.811690] Call Trace: <4>[ 61.814713] dump_stack+0x77/0x9b <4>[ 61.818709] lkdtm_STACKLEAK_ERASING+0x116/0x144 <4>[ 61.824154] direct_entry.cold+0x2c/0x38 <4>[ 61.828815] full_proxy_write+0x53/0x80 <4>[ 61.833393] vfs_write+0xe7/0x3b0 <4>[ 61.837381] ksys_write+0x68/0xf0 <4>[ 61.841372] do_syscall_64+0x30/0x40 <4>[ 61.845652] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 61.851582] RIP: 0033:0x7f05a056f473 <4>[ 61.855862] 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>[ 61.877154] RSP: 002b:00007ffc36668cd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 61.885900] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f05a056f473 <4>[ 61.894160] RDX: 0000000000000012 RSI: 00007f05a0463000 RDI: 0000000000000001 <4>[ 61.902420] RBP: 00007f05a0463000 R08: 00007f05a0462010 R09: 0000000000000000 <4>[ 61.910679] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 61.918938] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 erflow detected: saturated # REFCOUNT_ADD_NOT_ZERO_OVERFLOW: saw 'call trace:': ok ok 45 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_DEC_ZERO.sh # [ 50.762258] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 50.771016] lkdtm: attempting good refcount_dec() # [ 50.776573] lkdtm: attempting bad refcount_dec() to zero # [ 50.782808] ------------[ cut here ]------------ # [ 50.788262] refcount_t: decrement hit 0; leaking memory. # [ 50.794513] WARNING: CPU: 2 PID: 2144 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 50.810435] 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_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 50.869433] CPU: 2 PID: 2144 Comm: cat Tainted: G D W 5.10.204-cip41 #1 # [ 50.884590] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 50.891690] RIP: 0010:refcount_warn_saturate+<6>[ 62.053419] lkdtm: Performing direct entry CFI_FORWARD_PROTO <6>[ 62.064594] lkdtm: Calling matched prototype ... <6>[ 62.070080] lkdtm: Calling mismatched prototype ... 0xfb/0x110 # [ 50.897820] Code: 98 d7 ed 89 c6 05 05 fb 16 02<6>[ 62.075855] lkdtm: Fail: survived mismatched prototype function call! 01 e8 e9 f0 c5 00 0f 0b c3 cc cc cc cc 48 c7 c7 68 d7 ed 89 c6 05 ec fa 16 02 01 e8 cf f0 c5 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 50.919124] RSP: 0018:ffffa86a82b1fe48 EFLAGS: 00010286 # [ 50.925280] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 # [ 50.939749] RDX: ffff9023bad2c620 RSI: ffff9023bad1bf50 RDI: ffff9023bad1bf50 # [ 50.948012] RBP: ffffffff89f82b21 R08: 0000000000000000 R09: 0000000000000000 # [ 50.956275] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 50.964539] R13: ffffa86a82b1ff10 R14: ffffa86a82b1ff10 R15: ffff90234466b000 # [ 50.972803] FS: 00007f4b8e80a580(0000) GS:ffff9023bad00000(0000) knlGS:0000000000000000 # [ 50.982135] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 50.988844] CR2: 00007f4b8e614000 CR3: 0000000103fe6003 CR4: 00000000003706e0 # [ 50.997105] Call Trace: # [ 51.000119] ? __warn+0x80/0x110 # [ 51.004034] ? refcount_warn_saturate+0xfb/0x110 # [ 51.009496] ? report_bug+0x9e/0xc0 # [ 51.019898] ? handle_bug+0x41/0x90 # [ 51.024105] ? exc_invalid_op+0x14/0x70 # [ 51.028680] ? asm_exc_invalid_op+0x12/0x20 # [ 51.033646] ? refcount_warn_saturate+0xfb/0x110 # [ 51.039117] ? refcount_warn_saturate+0xfb/0x110 # [ 51.044565] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd # [ 51.049818] direct_entry.cold+0x2c/0x38 # [ 51.054498] full_proxy_write+0x53/0x80 # [ 51.065277] vfs_write+0xe7/0x3b0 # [ 51.069294] ksys_write+0x68/0xf0 # [ 51.073318] do_syscall_64+0x30/0x40 # [ 51.077602] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 51.083568] RIP: 0033:0x7f4b8e720473 # [ 51.087853] 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 # [ 51.109131] RSP: 002b:00007ffed078d868 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 51.117883] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f4b8e720473 # [ 51.126148] RDX: 0000000000000012 RSI: 00007f4b8e614000 RDI: 0000000000000001 # [ 51.134413] RBP: 00007f4b8e614000 R08: 00007f4b8e613010 R09: 0000000000000000 # [ 51.142677] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 51.150941] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 51.165422] irq event stamp: 0 # [ 51.175331] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 51.182623] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 51.192051] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 51.201492] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 51.208785] ---[ end trace 74b841559c2f9313 ]--- # [ 51.220443] 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 # [ 51.367998] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 51.375500] lkdtm: attempting bad refcount_dec() below zero # [ 51.388229] ------------[ cut here ]------------ # [ 51.399894] refcount_t: decrement hit 0; leaking memory. # [ 51.412363] WARNING: CPU: 1 PID: 2180 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 51.428268] 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_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 51.487231] CPU: 1 PID: 2180 Comm: cat Tainted: G D W 5.10.204-cip41 #1 # [ 51.502393] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 51.515709] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 51.528049] Code: 98 d7 ed 89 c6 05 05 fb 16 02 01 e8 e9 f0 c5 00 0f 0b c3 cc cc cc cc 48 c7 c7 68 d7 ed 89 c6 05 ec fa 16 02 01 e8 cf f0 c5 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 51.549352] RSP: 0018:ffffa86a82bbfe48 EFLAGS: 00010286 # [ 51.561695] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 # [ 51.576173] RDX: ffff9023bacac620 RSI: ffff9023bac9bf50 RDI: ffff9023bac9bf50 # [ 51.584438] RBP: ffffffff89f82b33 R08: 0000000000000000 R09: 0000000000000000 # [ 51.592701] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 51.607176] R13: ffffa86a82bbff10 R14: ffffa86a82bbff10 R15: ffff9023459ee000 # [ 51.615445] FS: 00007fdb8569f580(0000) GS:ffff9023bac80000(0000) knlGS:0000000000000000 # [ 51.630994] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 51.643921] CR2: 00007fdb854a9000 CR3: 0000000103b44001 CR4: 00000000003706e0 # [ 51.652188] Call Trace: # [ 51.661424] ? __warn+0x80/0x110 # [ 51.671530] ? refcount_warn_saturate+0xfb/0x110 # [ 51.683196] ? report_bug+0x9e/0xc0 # [ 51.693599] ? handle_bug+0x41/0x90 # [ 51.703997] ? exc_invalid_op+0x14/0x70 # [ 51.714788] ? asm_exc_invalid_op+0x12/0x20 # [ 51.725970] ? refcount_warn_saturate+0xfb/0x110 # [ 51.737630] ? refcount_warn_saturate+0xfb/0x110 # [ 51.749295] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 # [ 51.761155] direct_entry.cold+0x2c/0x38 # [ 51.772041] full_proxy_write+0x53/0x80 # [ 51.782832] vfs_write+0xe7/0x3b0 # [ 51.793040] ksys_write+0x68/0xf0 # [ 51.803248] do_syscall_64+0x30/0x40 # [ 51.813744] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 51.825896] RIP: 0033:0x7fdb855b5473 # [ 51.836394] 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 # [ 51.863887] RSP: 002b:00007ffef3a73558 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 51.878854] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fdb855b5473 # [ 51.893332] RDX: 0000000000000016 RSI: 00007fdb854a9000 RDI: 0000000000000001 # [ 51.907808] RBP: 00007fdb854a9000 R08: 00007fdb854a8010 R09: 0000000000000000 # [ 51.922287] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 51.936768] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 51.951249] irq event stamp: 0 # [ 51.961160] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 51.974667] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 51.990310] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 52.005952] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 52.019458] ---[ end trace 74b841559c2f9314 ]--- # [ 52.031121] 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 # [ 52.211541] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 52.224723] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 52.232120] ------------[ cut here ]------------ # [ 52.237598] refcount_t: underflow; use-after-free. # [ 52.243266] WARNING: CPU: 3 PID: 2216 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 52.252991] 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_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 52.311946] CPU: 3 PID: 2216 Comm: cat Tainted: G D W 5.10.204-cip41 #1 # [ 52.320920] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 52.328018] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 52.334144] Code: 02 01 e8 33 f1 c5 00 0f 0b c3 cc cc cc cc 80 3d 3e fb 16 02 00 75 85 48 c7 c7 40 d7 ed 89 c6 05 2e fb 16 02 01 e8 10 f1 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 19 fb 16 02 00 0f 85 5e ff ff ff 48 c7 # [ 52.355421] RSP: 0018:ffffa86a82c37e40 EFLAGS: 00010286 # [ 52.361547] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 # [ 52.369810] RDX: ffff9023badac620 RSI: ffff9023bad9bf50 RDI: ffff9023bad9bf50 # [ 52.378072] RBP: ffffffff89f82788 R08: 0000000000000000 R09: 0000000000000000 # [ 52.386333] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 52.394590] R13: ffffa86a82c37f10 R14: ffffa86a82c37f10 R15: ffff902344767000 # [ 52.402854] FS: 00007f4a629b2580(0000) GS:ffff9023bad80000(0000) knlGS:0000000000000000 # [ 52.412184] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 52.418895] CR2: 00007f4a627bc000 CR3: 00000001058ec002 CR4: 00000000003706e0 # [ 52.427159] Call Trace: # [ 52.430182] ? __warn+0x80/0x110 # [ 52.440287] ? refcount_warn_saturate+0xba/0x110 # [ 52.445735] ? report_bug+0x9e/0xc0 # [ 52.449944] ? handle_bug+0x41/0x90 # [ 52.454152] ? exc_invalid_op+0x14/0x70 # [ 52.458725] ? asm_exc_invalid_op+0x12/0x20 # [ 52.463690] ? refcount_warn_saturate+0xba/0x110 # [ 52.469168] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 52.475588] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 # [ 52.482106] direct_entry.cold+0x2c/0x38 # [ 52.486777] full_proxy_write+0x53/0x80 # [ 52.491379] vfs_write+0xe7/0x3b0 # [ 52.501586] ksys_write+0x68/0xf0 # [ 52.511795] do_syscall_64+0x30/0x40 # [ 52.522293] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 52.528256] RIP: 0033:0x7f4a628c8473 # [ 52.532538] 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 # [ 52.553815] RSP: 002b:00007ffe0f6e5118 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 52.562567] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f4a628c8473 # [ 52.570859] RDX: 000000000000001f RSI: 00007f4a627bc000 RDI: 0000000000000001 # [ 52.585328] RBP: 00007f4a627bc000 R08: 00007f4a627bb010 R09: 0000000000000000 # [ 52.593592] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 52.601854] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 52.610112] irq event stamp: 0 # [ 52.613832] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 52.621125] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 52.630554] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 52.639981] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 52.647264] ---[ end trace 74b841559c2f9315 ]--- # [ 52.652711] 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 # [ 52.803424] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 52.815135] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 52.822534] ------------[ cut here ]------------ # [ 52.827988] refcount_t: underflow; use-after-free. # [ 52.833641] WARNING: CPU: 3 PID: 2252 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 52.849562] 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_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 52.908579] CPU: 3 PID: 2252 Comm: cat Tainted: G D W 5.10.204-cip41 #1 # [ 52.917532] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 52.930838] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 52.936964] Code: 02 01 e8 33 f1 c5 00 0f 0b c3 cc cc cc cc 80 3d 3e fb 16 02 00 75 85 48 c7 c7 40 d7 ed 89 c6 05 2e fb 16 02 01 e8 10 f1 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 19 fb 16 02 00 0f 85 5e ff ff ff 48 c7 # [ 52.958238] RSP: 0018:ffffa86a82cdfe40 EFLAGS: 00010286 # [ 52.964365] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 # [ 52.972619] RDX: ffff9023badac620 RSI: ffff9023bad9bf50 RDI: ffff9023bad9bf50 # [ 52.980882] RBP: ffffffff89f827a8 R08: 0000000000000000 R09: 0000000000000000 # [ 52.989144] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 52.997399] R13: ffffa86a82cdff10 R14: ffffa86a82cdff10 R15: ffff90234604a000 # [ 53.005663] FS: 00007fcb5b632580(0000) GS:ffff9023bad80000(0000) knlGS:0000000000000000 # [ 53.014995] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 53.021702] CR2: 00007fcb5b43c000 CR3: 0000000106294006 CR4: 00000000003706e0 # [ 53.029965] Call Trace: # [ 53.032988] ? __warn+0x80/0x110 # [ 53.036913] ? refcount_warn_saturate+0xba/0x110 # [ 53.042360] ? report_bug+0x9e/0xc0 # [ 53.046550] ? handle_bug+0x41/0x90 # [ 53.050758] ? exc_invalid_op+0x14/0x70 # [ 53.055332] ? asm_exc_invalid_op+0x12/0x20 # [ 53.060297] ? refcount_warn_saturate+0xba/0x110 # [ 53.065775] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 53.072195] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b # [ 53.078711] direct_entry.cold+0x2c/0x38 # [ 53.083382] full_proxy_write+0x53/0x80 # [ 53.087958] vfs_write+0xe7/0x3b0 # [ 53.091950] ksys_write+0x68/0xf0 # [ 53.095942] do_syscall_64+0x30/0x40 # [ 53.100226] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 53.112374] RIP: 0033:0x7fcb5b548473 # [ 53.122874] 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 # [ 53.144152] RSP: 002b:00007ffda1330718 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 53.152902] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fcb5b548473 # [ 53.161164] RDX: 000000000000001f RSI: 00007fcb5b43c000 RDI: 0000000000000001 # [ 53.169429] RBP: 00007fcb5b43c000 R08: 00007fcb5b43b010 R09: 0000000000000000 # [ 53.177691] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 53.185954] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 53.194220] irq event stamp: 0 # [ 53.197941] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 53.205234] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 53.214663] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 53.224092] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 53.231384] ---[ end trace 74b841559c2f9316 ]--- # [ 53.236831] 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 # [ 53.379540] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 53.391799] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 53.399195] lkdtm: Good: zero detected # [ 53.403701] lkdtm: Correctly stayed at zero # [ 53.408664] lkdtm: attempting bad refcount_inc() from zero # [ 53.415084] ------------[ cut here ]------------ # [ 53.426746] refcount_t: addition on 0; use-after-free. # [ 53.439019] WARNING: CPU: 2 PID: 2285 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 53.448746] 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_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 53.507725] CPU: 2 PID: 2285 Comm: cat Tainted: G D W 5.10.204-cip41 #1 # [ 53.516678] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 53.529988] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 53.536117] Code: 02 01 e8 79 f1 c5 00 0f 0b c3 cc cc cc cc 80 3d 85 fb 16 02 00 75 cb 48 c7 c7 10 d7 ed 89 c6 05 75 fb 16 02 01 e8 56 f1 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 64 fb 16 02 00 75 a8 48 c7 c7 e8 d6 ed # [ 53.557395] RSP: 0018:ffffa86a82d67e48 EFLAGS: 00010286 # [ 53.563538] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 # [ 53.571801] RDX: ffff9023bad2c620 RSI: ffff9023bad1bf50 RDI: ffff9023bad1bf50 # [ 53.580063] RBP: ffffffff89f82b49 R08: 0000000000000000 R09: 0000000000000000 # [ 53.588326] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 53.596590] R13: ffffa86a82d67f10 R14: ffffa86a82d67f10 R15: ffff90234591f000 # [ 53.604854] FS: 00007f90dd8ee580(0000) GS:ffff9023bad00000(0000) knlGS:0000000000000000 # [ 53.614185] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 53.620885] CR2: 00007f90dd6f8000 CR3: 0000000102872001 CR4: 00000000003706e0 # [ 53.629139] Call Trace: # [ 53.632163] ? __warn+0x80/0x110 # [ 53.636086] ? refcount_warn_saturate+0x74/0x110 # [ 53.641539] ? report_bug+0x9e/0xc0 # [ 53.645726] ? handle_bug+0x41/0x90 # [ 53.649933] ? exc_invalid_op+0x14/0x70 # [ 53.654509] ? asm_exc_invalid_op+0x12/0x20 # [ 53.659495] ? refcount_warn_saturate+0x74/0x110 # [ 53.671155] ? refcount_warn_saturate+0x74/0x110 # [ 53.676601] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 # [ 53.681855] direct_entry.cold+0x2c/0x38 # [ 53.686530] full_proxy_write+0x53/0x80 # [ 53.697323] vfs_write+0xe7/0x3b0 # [ 53.707527] ksys_write+0x68/0xf0 # [ 53.711542] do_syscall_64+0x30/0x40 # [ 53.715824] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 53.721758] RIP: 0033:0x7f90dd804473 # [ 53.726038] 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 # [ 53.747314] RSP: 002b:00007ffcde8929c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 53.756064] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f90dd804473 # [ 53.764327] RDX: 0000000000000012 RSI: 00007f90dd6f8000 RDI: 0000000000000001 # [ 53.772591] RBP: 00007f90dd6f8000 R08: 00007f90dd6f7010 R09: 0000000000000000 # [ 53.780854] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 53.789116] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 53.797375] irq event stamp: 0 # [ 53.801104] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 53.808397] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 53.817826] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 53.827255] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 53.834552] ---[ end trace 74b841559c2f9317 ]--- # [ 53.839999] 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 # [ 53.991026] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 54.000914] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 54.008316] lkdtm: Good: zero detected # [ 54.019005] lkdtm: Correctly stayed at zero # [ 54.030183] lkdtm: attempting bad refcount_add() from zero # [ 54.042816] ------------[ cut here ]------------ # [ 54.048264] refcount_t: addition on 0; use-after-free. # [ 54.054324] WARNING: CPU: 3 PID: 2318 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 54.064046] 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_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 54.123027] CPU: 3 PID: 2318 Comm: cat Tainted: G D W 5.10.204-cip41 #1 # [ 54.131983] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 54.145290] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 54.151418] Code: 02 01 e8 79 f1 c5 00 0f 0b c3 cc cc cc cc 80 3d 85 fb 16 02 00 75 cb 48 c7 c7 10 d7 ed 89 c6 05 75 fb 16 02 01 e8 56 f1 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 64 fb 16 02 00 75 a8 48 c7 c7 e8 d6 ed # [ 54.172697] RSP: 0018:ffffa86a82dffe48 EFLAGS: 00010286 # [ 54.178825] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 # [ 54.187088] RDX: ffff9023badac620 RSI: ffff9023bad9bf50 RDI: ffff9023bad9bf50 # [ 54.195352] RBP: ffffffff89f82b5b R08: 0000000000000000 R09: 0000000000000000 # [ 54.203615] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 54.211877] R13: ffffa86a82dfff10 R14: ffffa86a82dfff10 R15: ffff9023431eb000 # [ 54.220142] FS: 00007fe0ba572580(0000) GS:ffff9023bad80000(0000) knlGS:0000000000000000 # [ 54.229491] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.236201] CR2: 00007fe0ba37c000 CR3: 0000000104790002 CR4: 00000000003706e0 # [ 54.250675] Call Trace: # [ 54.253699] ? __warn+0x80/0x110 # [ 54.257624] ? refcount_warn_saturate+0x74/0x110 # [ 54.263072] ? report_bug+0x9e/0xc0 # [ 54.267260] ? handle_bug+0x41/0x90 # [ 54.271492] ? exc_invalid_op+0x14/0x70 # [ 54.282283] ? asm_exc_invalid_op+0x12/0x20 # [ 54.287253] ? refcount_warn_saturate+0x74/0x110 # [ 54.298913] ? refcount_warn_saturate+0x74/0x110 # [ 54.310577] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 # [ 54.315855] direct_entry.cold+0x2c/0x38 # [ 54.320544] full_proxy_write+0x53/0x80 # [ 54.325144] vfs_write+0xe7/0x3b0 # [ 54.329138] ksys_write+0x68/0xf0 # [ 54.333129] do_syscall_64+0x30/0x40 # [ 54.337412] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 54.343347] RIP: 0033:0x7fe0ba488473 # [ 54.347628] 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 # [ 54.368907] RSP: 002b:00007ffef4f83638 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 54.377657] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fe0ba488473 # [ 54.385919] RDX: 0000000000000012 RSI: 00007fe0ba37c000 RDI: 0000000000000001 # [ 54.394185] RBP: 00007fe0ba37c000 R08: 00007fe0ba37b010 R09: 0000000000000000 # [ 54.402448] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 54.410711] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 54.418980] irq event stamp: 0 # [ 54.422710] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 54.430004] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 54.439432] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 54.448860] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 54.456152] ---[ end trace 74b841559c2f9318 ]--- # [ 54.461590] 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 # [ 54.634307] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 54.641500] lkdtm: attempting bad refcount_inc() from saturated # [ 54.654639] ------------[ cut here ]------------ # [ 54.666280] refcount_t: saturated; leaking memory. # [ 54.671954] WARNING: CPU: 1 PID: 2354 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 54.687857] 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_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 54.746816] CPU: 1 PID: 2354 Comm: cat Tainted: G D W 5.10.204-cip41 #1 # [ 54.761974] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 54.775291] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 54.787633] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d a9 fb 16 02 00 75 ee 48 c7 c7 e8 d6 ed 89 c6 05 99 fb 16 02 01 e8 79 f1 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 85 fb 16 02 00 75 cb 48 c7 c7 10 d7 ed # [ 54.815128] RSP: 0018:ffffa86a82e97e48 EFLAGS: 00010286 # [ 54.827492] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 # [ 54.841971] RDX: ffff9023bacac620 RSI: ffff9023bac9bf50 RDI: ffff9023bac9bf50 # [ 54.850236] RBP: ffffffff89f82b6d R08: 0000000000000000 R09: 0000000000000000 # [ 54.864712] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 54.879191] R13: ffffa86a82e97f10 R14: ffffa86a82e97f10 R15: ffff902344400000 # [ 54.893673] FS: 00007f131482c580(0000) GS:ffff9023bac80000(0000) knlGS:0000000000000000 # [ 54.909221] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.915932] CR2: 00007f1314636000 CR3: 0000000104634005 CR4: 00000000003706e0 # [ 54.930410] Call Trace: # [ 54.939669] ? __warn+0x80/0x110 # [ 54.949781] ? refcount_warn_saturate+0x51/0x110 # [ 54.961421] ? report_bug+0x9e/0xc0 # [ 54.965635] ? handle_bug+0x41/0x90 # [ 54.976026] ? exc_invalid_op+0x14/0x70 # [ 54.986842] ? asm_exc_invalid_op+0x12/0x20 # [ 54.998025] ? refcount_warn_saturate+0x51/0x110 # [ 55.009659] ? refcount_warn_saturate+0x51/0x110 # [ 55.021321] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 # [ 55.033275] direct_entry.cold+0x2c/0x38 # [ 55.037971] full_proxy_write+0x53/0x80 # [ 55.048754] vfs_write+0xe7/0x3b0 # [ 55.058958] ksys_write+0x68/0xf0 # [ 55.062974] do_syscall_64+0x30/0x40 # [ 55.073465] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 55.085613] RIP: 0033:0x7f1314742473 # [ 55.096110] 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 # [ 55.117387] RSP: 002b:00007fff6b590ed8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 55.127296] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f1314742473 # [ 55.135560] RDX: 0000000000000017 RSI: 00007f1314636000 RDI: 0000000000000001 # [ 55.144595] RBP: 00007f1314636000 R08: 00007f1314635010 R09: 0000000000000000 # [ 55.152859] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 55.161124] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 55.175600] irq event stamp: 0 # [ 55.185344] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 55.198851] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 55.214497] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 55.223927] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 55.231222] ---[ end trace 74b841559c2f9319 ]--- # [ 55.236671] 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 # [ 55.402150] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 55.411788] lkdtm: attempting bad refcount_dec() from saturated # [ 55.418703] ------------[ cut here ]------------ # [ 55.430361] refcount_t: decrement hit 0; leaking memory. # [ 55.436614] WARNING: CPU: 3 PID: 2390 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 55.446339] 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_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 55.505292] CPU: 3 PID: 2390 Comm: cat Tainted: G D W 5.10.204-cip41 #1 # [ 55.514268] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 55.527586] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 55.533741] Code: 98 d7 ed 89 c6 05 05 fb 16 02 01 e8 e9 f0 c5 00 0f 0b c3 cc cc cc cc 48 c7 c7 68 d7 ed 89 c6 05 ec fa 16 02 01 e8 cf f0 c5 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 55.561230] RSP: 0018:ffffa86a82f27e48 EFLAGS: 00010286 # [ 55.567407] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 # [ 55.575684] RDX: ffff9023badac620 RSI: ffff9023bad9bf50 RDI: ffff9023bad9bf50 # [ 55.590153] RBP: ffffffff89f82b84 R08: 0000000000000000 R09: 0000000000000000 # [ 55.598419] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 55.606683] R13: ffffa86a82f27f10 R14: ffffa86a82f27f10 R15: ffff902341263000 # [ 55.614948] FS: 00007f9674b4e580(0000) GS:ffff9023bad80000(0000) knlGS:0000000000000000 # [ 55.624281] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.630991] CR2: 00007f9674958000 CR3: 0000000104630002 CR4: 00000000003706e0 # [ 55.639254] Call Trace: # [ 55.642279] ? __warn+0x80/0x110 # [ 55.646199] ? refcount_warn_saturate+0xfb/0x110 # [ 55.657858] ? report_bug+0x9e/0xc0 # [ 55.662071] ? handle_bug+0x41/0x90 # [ 55.666287] ? exc_invalid_op+0x14/0x70 # [ 55.670887] ? asm_exc_invalid_op+0x12/0x20 # [ 55.675894] ? refcount_warn_saturate+0xfb/0x110 # [ 55.681351] ? refcount_warn_saturate+0xfb/0x110 # [ 55.693010] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f # [ 55.698751] direct_entry.cold+0x2c/0x38 # [ 55.703425] full_proxy_write+0x53/0x80 # [ 55.708033] vfs_write+0xe7/0x3b0 # [ 55.712056] ksys_write+0x68/0xf0 # [ 55.716073] do_syscall_64+0x30/0x40 # [ 55.720381] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 55.726317] RIP: 0033:0x7f9674a64473 # [ 55.730623] 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 # [ 55.751902] RSP: 002b:00007fff64c76718 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 55.760654] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f9674a64473 # [ 55.768919] RDX: 0000000000000017 RSI: 00007f9674958000 RDI: 0000000000000001 # [ 55.777182] RBP: 00007f9674958000 R08: 00007f9674957010 R09: 0000000000000000 # [ 55.785447] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 55.799929] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 55.814431] irq event stamp: 0 # [ 55.818139] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 55.831644] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 55.841075] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 55.850507] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 55.857800] ---[ end trace 74b841559c2f931a ]--- # [ 55.863247] 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 # [ 56.183105] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 56.191080] lkdtm: attempting bad refcount_dec() from saturated # [ 56.198002] ------------[ cut here ]------------ # [ 56.203459] refcount_t: saturated; leaking memory. # [ 56.209111] WARNING: CPU: 2 PID: 2426 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 56.218839] 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_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 56.277843] CPU: 2 PID: 2426 Comm: cat Tainted: G D W 5.10.204-cip41 #1 # [ 56.286817] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 56.293915] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 56.300044] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d a9 fb 16 02 00 75 ee 48 c7 c7 e8 d6 ed 89 c6 05 99 fb 16 02 01 e8 79 f1 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 85 fb 16 02 00 75 cb 48 c7 c7 10 d7 ed # [ 56.321321] RSP: 0018:ffffa86a82fb7e48 EFLAGS: 00010286 # [ 56.327447] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 # [ 56.335709] RDX: ffff9023bad2c620 RSI: ffff9023bad1bf50 RDI: ffff9023bad1bf50 # [ 56.343972] RBP: ffffffff89f82b9b R08: 0000000000000000 R09: 0000000000000000 # [ 56.352233] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 56.360492] R13: ffffa86a82fb7f10 R14: ffffa86a82fb7f10 R15: ffff9023440c6000 # [ 56.368757] FS: 00007f0ba99e7580(0000) GS:ffff9023bad00000(0000) knlGS:0000000000000000 # [ 56.384300] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.391007] CR2: 00007f0ba97f1000 CR3: 00000001028fc003 CR4: 00000000003706e0 # [ 56.399260] Call Trace: # [ 56.402273] ? __warn+0x80/0x110 # [ 56.406189] ? refcount_warn_saturate+0x51/0x110 # [ 56.411639] ? report_bug+0x9e/0xc0 # [ 56.415826] ? handle_bug+0x41/0x90 # [ 56.420012] ? exc_invalid_op+0x14/0x70 # [ 56.424585] ? asm_exc_invalid_op+0x12/0x20 # [ 56.429549] ? refcount_warn_saturate+0x51/0x110 # [ 56.435021] ? refcount_warn_saturate+0x51/0x110 # [ 56.440491] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 # [ 56.446230] direct_entry.cold+0x2c/0x38 # [ 56.457113] full_proxy_write+0x53/0x80 # [ 56.461720] vfs_write+0xe7/0x3b0 # [ 56.471921] ksys_write+0x68/0xf0 # [ 56.482131] do_syscall_64+0x30/0x40 # [ 56.492629] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 56.498594] RIP: 0033:0x7f0ba98fd473 # [ 56.502876] 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 # [ 56.524153] RSP: 002b:00007ffc725d0648 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 56.532929] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f0ba98fd473 # [ 56.541196] RDX: 0000000000000017 RSI: 00007f0ba97f1000 RDI: 0000000000000001 # [ 56.555665] RBP: 00007f0ba97f1000 R08: 00007f0ba97f0010 R09: 0000000000000000 # [ 56.563927] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 56.572190] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 56.580476] irq event stamp: 0 # [ 56.584183] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 56.597685] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 56.607116] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 56.616544] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 56.623836] ---[ end trace 74b841559c2f931b ]--- # [ 56.629284] 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 # [ 56.780897] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 56.792643] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 56.806663] ------------[ cut here ]------------ # [ 56.818317] refcount_t: saturated; leaking memory. # [ 56.830177] WARNING: CPU: 0 PID: 2459 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 56.846151] 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_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 56.905076] CPU: 0 PID: 2459 Comm: cat Tainted: G D W 5.10.204-cip41 #1 # [ 56.920295] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 56.933603] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 56.945934] Code: 02 01 e8 56 f1 c5 00 0f 0b c3 cc cc cc cc 80 3d 64 fb 16 02 00 75 a8 48 c7 c7 e8 d6 ed 89 c6 05 54 fb 16 02 01 e8 33 f1 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 3e fb 16 02 00 75 85 48 c7 c7 40 d7 ed # [ 56.973446] RSP: 0018:ffffa86a82fc7e38 EFLAGS: 00010282 # [ 56.985780] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 57.000238] RDX: ffff9023bac2c620 RSI: ffff9023bac1bf50 RDI: ffff9023bac1bf50 # [ 57.014740] RBP: ffffffff89f827c8 R08: 0000000000000000 R09: 0000000000000000 # [ 57.029199] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 57.043706] R13: ffffa86a82fc7f10 R14: ffffa86a82fc7f10 R15: ffff902342952000 # [ 57.058186] FS: 00007fa7def1d580(0000) GS:ffff9023bac00000(0000) knlGS:0000000000000000 # [ 57.073736] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.086644] CR2: 00007fa7ded27000 CR3: 000000010388c003 CR4: 00000000003706f0 # [ 57.101198] Call Trace: # [ 57.110363] ? __warn+0x80/0x110 # [ 57.120547] ? refcount_warn_saturate+0x97/0x110 # [ 57.132186] ? report_bug+0x9e/0xc0 # [ 57.142589] ? handle_bug+0x41/0x90 # [ 57.152938] ? exc_invalid_op+0x14/0x70 # [ 57.163763] ? asm_exc_invalid_op+0x12/0x20 # [ 57.174902] ? refcount_warn_saturate+0x97/0x110 # [ 57.186562] ? refcount_warn_saturate+0x97/0x110 # [ 57.198228] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 57.210854] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 # [ 57.223710] direct_entry.cold+0x2c/0x38 # [ 57.234617] full_proxy_write+0x53/0x80 # [ 57.245404] vfs_write+0xe7/0x3b0 # [ 57.255620] ksys_write+0x68/0xf0 # [ 57.265850] do_syscall_64+0x30/0x40 # [ 57.276318] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 57.288498] RIP: 0033:0x7fa7dee33473 # [ 57.298961] 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 # [ 57.326494] RSP: 002b:00007fffb1ff51d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 57.341418] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fa7dee33473 # [ 57.355912] RDX: 0000000000000020 RSI: 00007fa7ded27000 RDI: 0000000000000001 # [ 57.370378] RBP: 00007fa7ded27000 R08: 00007fa7ded26010 R09: 0000000000000000 # [ 57.384897] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 57.399366] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 57.413889] irq event stamp: 0 # [ 57.423788] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 57.437298] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 57.452983] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 57.468618] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 57.482154] ---[ end trace 74b841559c2f931c ]--- # [ 57.493858] 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 # [ 57.699940] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 57.713540] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 57.727575] ------------[ cut here ]------------ # [ 57.739247] refcount_t: saturated; leaking memory. # [ 57.751146] WARNING: CPU: 0 PID: 2492 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 57.767070] 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_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 57.826051] CPU: 0 PID: 2492 Comm: cat Tainted: G D W 5.10.204-cip41 #1 # [ 57.841229] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 57.854581] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 57.866896] Code: 02 01 e8 56 f1 c5 00 0f 0b c3 cc cc cc cc 80 3d 64 fb 16 02 00 75 a8 48 c7 c7 e8 d6 ed 89 c6 05 54 fb 16 02 01 e8 33 f1 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 3e fb 16 02 00 75 85 48 c7 c7 40 d7 ed # [ 57.894434] RSP: 0018:ffffa86a830d7e38 EFLAGS: 00010282 # [ 57.906777] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 57.921249] RDX: ffff9023bac2c620 RSI: ffff9023bac1bf50 RDI: ffff9023bac1bf50 # [ 57.935723] RBP: ffffffff89f827e8 R08: 0000000000000000 R09: 0000000000000000 # [ 57.950218] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 57.964679] R13: ffffa86a830d7f10 R14: ffffa86a830d7f10 R15: ffff90234622e000 # [ 57.979167] FS: 00007fb39be1b580(0000) GS:ffff9023bac00000(0000) knlGS:0000000000000000 # [ 57.994703] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 58.007643] CR2: 00007fb39bc25000 CR3: 0000000105ad6001 CR4: 00000000003706f0 # [ 58.022115] Call Trace: # [ 58.031357] ? __warn+0x80/0x110 # [ 58.041463] ? refcount_warn_saturate+0x97/0x110 # [ 58.053156] ? report_bug+0x9e/0xc0 # [ 58.063551] ? handle_bug+0x41/0x90 # [ 58.073929] ? exc_invalid_op+0x14/0x70 # [ 58.084712] ? asm_exc_invalid_op+0x12/0x20 # [ 58.095925] ? refcount_warn_saturate+0x97/0x110 # [ 58.107565] ? refcount_warn_saturate+0x97/0x110 # [ 58.119246] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 58.131863] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 # [ 58.144689] direct_entry.cold+0x2c/0x38 # [ 58.155573] full_proxy_write+0x53/0x80 # [ 58.166379] vfs_write+0xe7/0x3b0 # [ 58.176579] ksys_write+0x68/0xf0 # [ 58.186771] do_syscall_64+0x30/0x40 # [ 58.197292] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 58.209458] RIP: 0033:0x7fb39bd31473 # [ 58.219914] 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 # [ 58.247452] RSP: 002b:00007fff71302758 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 58.262441] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fb39bd31473 # [ 58.276943] RDX: 0000000000000020 RSI: 00007fb39bc25000 RDI: 0000000000000001 # [ 58.291411] RBP: 00007fb39bc25000 R08: 00007fb39bc24010 R09: 0000000000000000 # [ 58.305929] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 58.320398] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 58.334895] irq event stamp: 0 # [ 58.344813] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 58.358320] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 58.373968] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 58.389610] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 58.403122] ---[ end trace 74b841559c2f931d ]--- # [ 58.414782] 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 # [ 58.618303] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 58.627740] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 58.635530] ------------[ cut here ]------------ # [ 58.640985] refcount_t: underflow; use-after-free. # [ 58.646656] WARNING: CPU: 2 PID: 2528 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 58.656383] 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_sysfs cros_ec_lightbar cro<6>[ 66.765792] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) s_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_e<6>[ 66.775798] pci 0000:00:1e.6: deferred probe pending c_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 58.715335] CPU: 2 PID: 2528 Comm: cat Tainted: G D W 5.10.204-cip41 #1 # [ 58.724279] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 58.731379] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 58.737509] Code: 02 01 e8 33 f1 c5 00 0f 0b c3 cc cc cc cc 80 3d 3e fb 16 02 00 75 85 48 c7 c7 40 d7 ed 89 c6 05 2e fb 16 02 01 e8 10 f1 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 19 fb 16 02 00 0f 85 5e ff ff ff 48 c7 # [ 58.758788] RSP: 0018:ffffa86a8317fe40 EFLAGS: 00010286 # [ 58.764945] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 # [ 58.773211] RDX: ffff9023bad2c620 RSI: ffff9023bad1bf50 RDI: ffff9023bad1bf50 # [ 58.781493] RBP: ffffffff89f82808 R08: 0000000000000000 R09: 0000000000000000 # [ 58.789765] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 58.804240] R13: ffffa86a8317ff10 R14: ffffa86a8317ff10 R15: ffff902346037000 # [ 58.812506] FS: 00007f3e135ef580(0000) GS:ffff9023bad00000(0000) knlGS:0000000000000000 # [ 58.821837] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 58.828547] CR2: 00007f3e133f9000 CR3: 000000010389c002 CR4: 00000000003706e0 # [ 58.836813] Call Trace: # [ 58.839837] ? __warn+0x80/0x110 # [ 58.843758] ? refcount_warn_saturate+0xba/0x110 # [ 58.855416] ? report_bug+0x9e/0xc0 # [ 58.859626] ? handle_bug+0x41/0x90 # [ 58.863843] ? exc_invalid_op+0x14/0x70 # [ 58.868418] ? asm_exc_invalid_op+0x12/0x20 # [ 58.873402] ? refcount_warn_saturate+0xba/0x110 # [ 58.878861] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 58.891494] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 # [ 58.898119] direct_entry.cold+0x2c/0x38 # [ 58.909000] full_proxy_write+0x53/0x80 # [ 58.919789] vfs_write+0xe7/0x3b0 # [ 58.929997] ksys_write+0x68/0xf0 # [ 58.934020] do_syscall_64+0x30/0x40 # [ 58.938328] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 58.944292] RIP: 0033:0x7f3e13505473 # [ 58.948575] 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 # [ 58.969879] RSP: 002b:00007ffd569719e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 58.978647] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f3e13505473 # [ 58.993113] RDX: 0000000000000020 RSI: 00007f3e133f9000 RDI: 0000000000000001 # [ 59.001380] RBP: 00007f3e133f9000 R08: 00007f3e133f8010 R09: 0000000000000000 # [ 59.009642] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 59.017907] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 59.026175] irq event stamp: 0 # [ 59.029907] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 59.037201] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 59.046632] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 59.056062] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 59.063355] ---[ end trace 74b841559c2f931e ]--- # [ 59.068803] 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 # [ 59.333181] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 59.345804] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 59.353616] ------------[ cut here ]------------ # [ 59.359087] refcount_t: underflow; use-after-free. # [ 59.370957] WARNING: CPU: 3 PID: 2564 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 59.386876] 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_sysfs cros_ec_lightbar cros_ec_chardev uvcvideo cros_usbpd_logger videobuf2_vmalloc cros_ec_debugfs cros_ec_sensorhub videobuf2_memops cros_usbpd_charger snd_soc_core snd_compress videobuf2_v4l2 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 59.439672] CPU: 3 PID: 2564 Comm: cat Tainted: G D W 5.10.204-cip41 #1 # [ 59.454821] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 59.461945] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 59.468074] Code: 02 01 e8 33 f1 c5 00 0f 0b c3 cc cc cc cc 80 3d 3e fb 16 02 00 75 85 48 c7 c7 40 d7 ed 89 c6 05 2e fb 16 02 01 e8 10 f1 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 19 fb 16 02 00 0f 85 5e ff ff ff 48 c7 # [ 59.489351] RSP: 0018:ffffa86a831e7e40 EFLAGS: 00010286 # [ 59.495495] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 # [ 59.509968] RDX: ffff9023badac620 RSI: ffff9023bad9bf50 RDI: ffff9023bad9bf50 # [ 59.518263] RBP: ffffffff89f82828 R08: 0000000000000000 R09: 0000000000000000 # [ 59.526539] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 59.534804] R13: ffffa86a831e7f10 R14: ffffa86a831e7f10 R15: ffff902345a17000 # [ 59.543071] FS: 00007f31b7370580(0000) GS:ffff9023bad80000(0000) knlGS:0000000000000000 # [ 59.552404] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 59.559114] CR2: 00007f31b717a000 CR3: 0000000105562006 CR4: 00000000003706e0 # [ 59.567379] Call Trace: # [ 59.570403] ? __warn+0x80/0x110 # [ 59.574330] ? refcount_warn_saturate+0xba/0x110 # [ 59.579801] ? report_bug+0x9e/0xc0 # [ 59.583991] ? handle_bug+0x41/0x90 # [ 59.588206] ? exc_invalid_op+0x14/0x70 # [ 59.592783] ? asm_exc_invalid_op+0x12/0x20 # [ 59.597779] ? refcount_warn_saturate+0xba/0x110 # [ 59.603262] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 59.609715] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 # [ 59.616332] direct_entry.cold+0x2c/0x38 # [ 59.621035] full_proxy_write+0x53/0x80 # [ 59.625643] vfs_write+0xe7/0x3b0 # [ 59.629666] ksys_write+0x68/0xf0 # [ 59.633661] do_syscall_64+0x30/0x40 # [ 59.644158] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 59.656311] RIP: 0033:0x7f31b7286473 # [ 59.666807] 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 # [ 59.688084] RSP: 002b:00007ffd66ca1838 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 59.696835] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f31b7286473 # [ 59.705099] RDX: 0000000000000020 RSI: 00007f31b717a000 RDI: 0000000000000001 # [ 59.713362] RBP: 00007f31b717a000 R08: 00007f31b7179010 R09: 0000000000000000 # [ 59.721625] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 59.729888] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 59.738147] irq event stamp: 0 # [ 59.741875] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 59.749168] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 59.758598] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 59.768027] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 59.775318] ---[ end trace 74b841559c2f931f ]--- # [ 59.780765] 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 # [ 59.996685] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 60.005319] lkdtm: attempting good copy_to_user of correct size # [ 60.018432] 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 # [ 60.197945] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 60.206668] lkdtm: attempting good copy_from_user of correct size # [ 60.213778] 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 # [ 60.552430] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 60.562313] lkdtm: attempting good copy_to_user inside whitelist # [ 60.575537] 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 # [ 60.755207] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 60.764274] lkdtm: attempting good copy_from_user inside whitelist # [ 60.777680] 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 # [ 60.961948] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 60.972543] lkdtm: good_stack: ffffa86a835b7e20-ffffa86a835b7e40 # [ 60.985762] lkdtm: bad_stack : ffffa86a835b7da8-ffffa86a835b7dc8 # [ 60.998996] lkdtm: attempting good copy_to_user of local stack # [ 61.012000] 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 # [ 61.194446] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 61.206697] lkdtm: good_stack: ffffa86a83647e20-ffffa86a83647e40 # [ 61.219925] lkdtm: bad_stack : ffffa86a83647da8-ffffa86a83647dc8 # [ 61.233134] lkdtm: attempting good copy_from_user of local stack # [ 61.246330] 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 # [ 61.394711] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 61.403373] lkdtm: good_stack: ffffa86a836bfe20-ffffa86a836bfe40 # [ 61.410397] lkdtm: bad_stack : ffffa86a836bfff8-ffffa86a836c0018 # [ 61.417435] lkdtm: attempting good copy_to_user of local stack # [ 61.424266] lkdtm: attempting bad copy_to_user of distant stack # [ 61.431189] 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 # [ 61.563671] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 61.574336] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff89af8950 # [ 61.583315] lkdtm: attempting bad copy_to_user from kernel text: ffffffff880e2c00 # [ 61.591975] 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 # [ 61.739474] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 61.747542] lkdtm: checking unused part of the thread stack (15928 bytes)... # [ 61.761928] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) # [ 61.776196] lkdtm: FAIL: the thread stack is NOT properly erased # [ 61.789461] CPU: 0 PID: 2940 Comm: cat Tainted: G D W 5.10.204-cip41 #1 # [ 61.804594] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 61.811690] Call Trace: # [ 61.814713] dump_stack+0x77/0x9b # [ 61.818709] lkdtm_STACKLEAK_ERASING+0x116/0x144 # [ 61.824154] direct_entry.cold+0x2c/0x38 # [ 61.828815] full_proxy_write+0x53/0x80 # [ 61.833393] vfs_write+0xe7/0x3b0 # [ 61.837381] ksys_write+0x68/0xf0 # [ 61.841372] do_syscall_64+0x30/0x40 # [ 61.845652] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 61.851582] RIP: 0033:0x7f05a056f473 # [ 61.855862] 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 # [ 61.877154] RSP: 002b:00007ffc36668cd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 61.885900] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f05a056f473 # [ 61.894160] RDX: 0000000000000012 RSI: 00007f05a0463000 RDI: 0000000000000001 # [ 61.902420] RBP: 00007f05a0463000 R08: 00007f05a0462010 R09: 0000000000000000 # [ 61.910679] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 61.918938] 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 # [ 62.053419] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 62.064594] lkdtm: Calling matched prototype ... # [ 62.070080] lkdtm: Calling mismatched prototype ... # [ 62.075855] lkdtm: Fail: survived mismatched prototype function call! # CFI_FORWARD_PROTO: missing 'call trace:': [FAIL] not ok 70 selftests: lkdtm: CFI_FORWARD_PROTO.sh # exit=1 lkdtm_PANIC_sh_selftests_lkdtm_panic_sh skip lkdtm_BUG_sh pass lkdtm_WARNING_sh pass lkdtm_WARNING_MESSAGE_sh pass lkdtm_EXCEPTION_sh pass lkdtm_LOOP_sh_selftests_lkdtm_loop_sh skip lkdtm_EXHAUST_STACK_sh_selftests_lkdtm_exhaust_stack_sh skip lkdtm_CORRUPT_STACK_sh_selftests_lkdtm_corrupt_stack_sh skip lkdtm_CORRUPT_STACK_STRONG_sh_selftests_lkdtm_corrupt_stack_strong_sh skip lkdtm_CORRUPT_LIST_ADD_sh fail lkdtm_CORRUPT_LIST_DEL_sh fail lkdtm_STACK_GUARD_PAGE_LEADING_sh pass lkdtm_STACK_GUARD_PAGE_TRAILING_sh pass lkdtm_UNSET_SMEP_sh pass lkdtm_DOUBLE_FAULT_sh_selftests_lkdtm_double_fault_sh skip lkdtm_CORRUPT_PAC_sh_selftests_lkdtm_corrupt_pac_sh skip lkdtm_UNALIGNED_LOAD_STORE_WRITE_sh_selftests_lkdtm_unaligned_load_store_write_sh skip lkdtm_OVERWRITE_ALLOCATION_sh_selftests_lkdtm_overwrite_allocation_sh skip lkdtm_WRITE_AFTER_FREE_sh_selftests_lkdtm_write_after_free_sh skip lkdtm_READ_AFTER_FREE_sh fail lkdtm_WRITE_BUDDY_AFTER_FREE_sh_selftests_lkdtm_write_buddy_after_free_sh skip lkdtm_READ_BUDDY_AFTER_FREE_sh fail lkdtm_SLAB_FREE_DOUBLE_sh fail lkdtm_SLAB_FREE_CROSS_sh fail lkdtm_SLAB_FREE_PAGE_sh fail lkdtm_SOFTLOCKUP_sh_selftests_lkdtm_softlockup_sh skip lkdtm_HARDLOCKUP_sh_selftests_lkdtm_hardlockup_sh skip lkdtm_SPINLOCKUP_sh_selftests_lkdtm_spinlockup_sh skip lkdtm_HUNG_TASK_sh_selftests_lkdtm_hung_task_sh skip lkdtm_EXEC_DATA_sh pass lkdtm_EXEC_STACK_sh pass lkdtm_EXEC_KMALLOC_sh pass lkdtm_EXEC_VMALLOC_sh pass lkdtm_EXEC_RODATA_sh pass lkdtm_EXEC_USERSPACE_sh pass lkdtm_EXEC_NULL_sh pass lkdtm_ACCESS_USERSPACE_sh pass lkdtm_ACCESS_NULL_sh pass lkdtm_WRITE_RO_sh pass lkdtm_WRITE_RO_AFTER_INIT_sh pass lkdtm_WRITE_KERN_sh pass lkdtm_REFCOUNT_INC_OVERFLOW_sh pass lkdtm_REFCOUNT_ADD_OVERFLOW_sh pass lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW_sh pass lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW_sh pass lkdtm_REFCOUNT_DEC_ZERO_sh pass lkdtm_REFCOUNT_DEC_NEGATIVE_sh pass lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE_sh pass lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE_sh pass lkdtm_REFCOUNT_INC_ZERO_sh pass lkdtm_REFCOUNT_ADD_ZERO_sh pass lkdtm_REFCOUNT_INC_SATURATED_sh pass lkdtm_REFCOUNT_DEC_SATURATED_sh pass lkdtm_REFCOUNT_ADD_SATURATED_sh pass lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED_sh pass lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED_sh pass lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED_sh pass lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED_sh pass lkdtm_REFCOUNT_TIMING_sh_selftests_lkdtm_refcount_timing_sh skip lkdtm_ATOMIC_TIMING_sh_selftests_lkdtm_atomic_timing_sh skip lkdtm_USERCOPY_HEAP_SIZE_TO_sh fail lkdtm_USERCOPY_HEAP_SIZE_FROM_sh fail lkdtm_USERCOPY_HEAP_WHITELIST_TO_sh fail lkdtm_USERCOPY_HEAP_WHITELIST_FROM_sh fail lkdtm_USERCOPY_STACK_FRAME_TO_sh fail lkdtm_USERCOPY_STACK_FRAME_FROM_sh fail lkdtm_USERCOPY_STACK_BEYOND_sh fail lkdtm_USERCOPY_KERNEL_sh fail lkdtm_STACKLEAK_ERASING_sh fail lkdtm_CFI_FORWARD_PROTO_sh fail + ../../utils/send-to-lava.sh ./output/result.txt + set +x / #