[Enter `^Ec?' for help] coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 bootblock starting... CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz CPU: ID 806e9, Kabylake H0, ucode: 00000097 CPU: AES supported, TXT NOT supported, VT supported MCH: device id 590c (rev 02) is Kabylake-Y PCH: device id 9d4b (rev 21) is Kabylake-Y iHDCP 2.2 Premium IGD: device id 591c (rev 02) is Amberlake ULX GT2 VBOOT: Loading verstage. CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/verstage' CBFS: Found @ offset 1a0a80 size f47c coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 verstage starting... Probing TPM: . done! TPM ready after 0 ms Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_A:0.0.10/29d77172 RW_B:0.3.15/cr50_v1.9308_87_mp.224-6339b6f Initialized TPM device CR50 revision 0 tlcl_send_startup: Startup return code is 0 TPM: setup succeeded src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x1007 return code 0 Chrome EC: UHEPI supported Phase 1 FMAP: Found "FLASH" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area GBB found @ c11000 (978944 bytes) VB2:vb2_check_recovery() Recovery reason from previous boot: 0x0 / 0x0 Phase 2 Phase 3 FMAP: area GBB found @ c11000 (978944 bytes) VB2:vb2_report_dev_firmware() This is developer signed firmware FMAP: area VBLOCK_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_A:0.0.10/29d77172 RW_B:0.3.15/cr50_v1.9308_87_mp.224-6339b6f Initialized TPM device CR50 revision 0 tlcl_send_startup: Startup return code is 0 TPM: setup succeeded src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x1007 return code 0 Chrome EC: UHEPI supported Phase 1 FMAP: Found "FLASH" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area GBB found @ c11000 (978944 bytes) VB2:vb2_check_recovery() Recovery reason from previous boot: 0x1b / 0x7 VB2:vb2_check_recovery() We have a recovery request: 0x1b / 0x0 Recovery requested (1009000e) Saving nvdata tlcl_extend: response is 0 tlcl_extend: response is 0 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/romstage' CBFS: Found @ offset 80 size 10ffc coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 romstage starting... pm1_sts: 0100 pm1_en: 0000 pm1_cnt: 00001c00 gpe0_sts[0]: 00000000 gpe0_en[0]: 00000000 gpe0_sts[1]: 00000000 gpe0_en[1]: 00000000 gpe0_sts[2]: 00000001 gpe0_en[2]: 00000000 gpe0_sts[3]: 00000000 gpe0_en[3]: 00010000 TCO_STS: 0000 0000 GEN_PMCON: e0040200 0000523a GBLRST_CAUSE: 00000000 00000000 prev_sleep_state 5 Boot Count incremented to 55854 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fspm.bin' CBFS: Found @ offset 103fc0 size 63000 Chrome EC: UHEPI supported FMAP: Found "FLASH" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area RECOVERY_MRC_CACHE found @ 9d0000 (65536 bytes) Probing TPM: done! Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_A:0.0.10/29d77172 RW_B:0.3.15/cr50_v1.9308_87_mp.224-6339b6f Initialized TPM device CR50 revision 0 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 MRC: Hash comparison successful. Using data from RECOVERY_MRC_CACHE MRC cache found, size 1868 bootmode is set to :2 SPD index 1 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'spd.bin' CBFS: Found @ offset 1a0240 size 800 SPD: module type is LPDDR3 SPD: module part is K4E8E324EB-EGCF SPD: banks 8, ranks 1, rows 15, columns 10, density 8192 Mb SPD: device width 32 bits, bus width 64 bits SPD: module size is 2048 MB (per channel) CBMEM: IMD: root @ 7afff000 254 entries. IMD: root @ 7affec00 62 entries. External stage cache: IMD: root @ 7b3ff000 254 entries. IMD: root @ 7b3fec00 62 entries. creating vboot_handoff structure Chrome EC: clear events_b mask to 0x0000000021004000 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 tlcl_write: response is 0 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 MRC: TPM MRC hash updated successfully. 2 DIMMs found top_of_ram = 0x7b000000 MTRR Range: Start=7a000000 End=7b000000 (Size 1000000) MTRR Range: Start=7b000000 End=7b800000 (Size 800000) MTRR Range: Start=ff000000 End=0 (Size 1000000) CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/postcar' CBFS: Found @ offset 197000 size 3f04 Decompressing stage fallback/postcar @ 0x7abd0fc0 (32720 bytes) Loading module at 7abd1000 with entry 7abd1000. filesize: 0x3cd0 memsize: 0x7f90 Processing 118 relocs. Offset value of 0x78bd1000 coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 postcar starting... CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/ramstage' CBFS: Found @ offset e8d80 size 1a462 Decompressing stage fallback/ramstage @ 0x7ab05fc0 (826808 bytes) Loading module at 7ab06000 with entry 7ab06000. filesize: 0x38d90 memsize: 0xc9d78 Processing 3657 relocs. Offset value of 0x79d06000 coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 ramstage starting... FMAP: Found "FLASH" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area RO_VPD found @ c00000 (16384 bytes) WARNING: RO_VPD is uninitialized or empty. FMAP: area RW_VPD found @ 9f8000 (8192 bytes) FMAP: area RW_VPD found @ 9f8000 (8192 bytes) Normal boot. BS: BS_PRE_DEVICE times (us): entry 0 run 30 exit 0 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'cpu_microcode_blob.bin' CBFS: Found @ offset 11100 size d7c00 microcode: sig=0x806e9 pf=0x10 revision=0x97 Skip microcode update CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fsps.bin' CBFS: Found @ offset 167fc0 size 2f000 Detected 2 core, 4 thread CPU. Setting up SMI for CPU IED base = 0x7b400000 IED size = 0x00400000 Will perform SMM setup. CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz. Loading module at 00030000 with entry 00030000. filesize: 0x170 memsize: 0x170 Processing 16 relocs. Offset value of 0x00030000 Attempting to start 3 APs Waiting for 10ms after sending INIT. Waiting for 1st SIPI to complete...AP: slot 1 apic_id 1. done. AP: slot 3 apic_id 3. AP: slot 2 apic_id 2. 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 0x7afff800 In relocation handler: CPU 2 New SMBASE=0x7afff800 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afff400 In relocation handler: CPU 3 New SMBASE=0x7afff400 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. Initializing CPU #0 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC... apic_id: 0x00 done. Turbo is available but hidden Turbo has been enabled SGX : param.enable = 0 Skip microcode update CPU #0 initialized Initializing CPU #1 Initializing CPU #3 Initializing CPU #2 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC...CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC...Setting up local APIC... apic_id: 0x02 done. apic_id: 0x03 done. Skip microcode update Skip microcode update CPU #2 initialized CPU #3 initialized apic_id: 0x01 done. Skip microcode update CPU #1 initialized bsp_do_flight_plan done after 226 msecs. CPU: frequency set to 3400 MHz Enabling SMIs. Locking SMM. VMX : param.enable = 1 VMX status: enabled, unlocked SGX: pre-conditions not met VMX status: enabled, unlocked SGX: pre-conditions not met VMX status: enabled, unlocked VMX status: enabled, unlocked SGX: pre-conditions not met SGX: pre-conditions not met CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'vbt.bin' CBFS: Found @ offset 103a00 size 48e Found a VBT of 4608 bytes after decompression psys_pmax = 360 FMAP: area GBB found @ c11000 (978944 bytes) ITSS IRQ Polarities Before: IPC0: 0x00ff4000 IPC1: 0x00000007 IPC2: 0x00000000 IPC3: 0x00000000 ITSS IRQ Polarities After: IPC0: 0x00ff4000 IPC1: 0x00000007 IPC2: 0x00000000 IPC3: 0x00000000 Override DT after FSP-S, PCH is KBL/SKL PCH-LP SKU BS: BS_DEV_INIT_CHIPS times (us): entry 376218 run 170142 exit 0 Enumerating buses... Show all devs... Before device enumeration. Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 DOMAIN: 0000: enabled 1 APIC: 00: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 PCI: 00:15.1: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PCI: 00:1f.1: enabled 1 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 USB0 port 0: enabled 1 I2C: 00:5c: enabled 1 I2C: 00:15: enabled 1 I2C: 00:39: enabled 1 I2C: 00:3a: enabled 1 I2C: 00:1a: enabled 1 PCI: 00:00.0: enabled 1 SPI: 00: enabled 1 PNP: 0c09.0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 APIC: 01: enabled 1 APIC: 02: enabled 1 APIC: 03: enabled 1 Compare with tree... Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 APIC: 00: enabled 1 APIC: 01: enabled 1 APIC: 02: enabled 1 APIC: 03: enabled 1 DOMAIN: 0000: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 USB0 port 0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 I2C: 00:5c: enabled 1 PCI: 00:15.1: enabled 1 I2C: 00:15: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 I2C: 00:39: enabled 1 I2C: 00:3a: enabled 1 I2C: 00:1a: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 SPI: 00: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PNP: 0c09.0: enabled 1 PCI: 00:1f.1: enabled 1 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 Root Device scanning... root_dev_scan_bus for Root Device CPU_CLUSTER: 0 enabled DOMAIN: 0000 enabled DOMAIN: 0000 scanning... PCI: pci_scan_bus for bus 00 PCI: 00:00.0 [8086/0000] ops PCI: 00:00.0 [8086/590c] enabled PCI: 00:02.0 [8086/0000] ops PCI: 00:02.0 [8086/591c] enabled PCI: 00:04.0 [8086/1903] enabled PCI: 00:08.0 [8086/1911] enabled PCI: 00:14.0 [8086/0000] bus ops PCI: 00:14.0 [8086/9d2f] enabled PCI: 00:14.2 [8086/9d31] enabled PCI: 00:15.0 [8086/0000] bus ops PCI: 00:15.0 [8086/9d60] enabled PCI: 00:15.1 [8086/0000] bus ops PCI: 00:15.1 [8086/9d61] enabled PCI: 00:16.0 [8086/0000] ops PCI: 00:16.0 [8086/9d3a] enabled PCI: 00:19.0 [8086/0000] ops PCI: 00:19.0 [8086/9d66] enabled PCI: 00:19.1 [8086/0000] bus ops PCI: 00:19.1 [8086/9d65] enabled PCI: 00:1c.0 [8086/0000] bus ops PCI: 00:1c.0 [8086/9d10] enabled PCI: 00:1e.0 [8086/0000] ops PCI: 00:1e.0 [8086/9d27] enabled PCI: 00:1e.2 [8086/0000] bus ops PCI: 00:1e.2 [8086/9d29] enabled PCI: 00:1e.4 [8086/9d2b] enabled PCI: 00:1e.6 [8086/0000] ops PCI: 00:1e.6 [8086/9d2d] enabled PCI: 00:1f.0 [8086/0000] bus ops PCI: 00:1f.0 [8086/9d4b] enabled PCI: Static device PCI: 00:1f.1 not found, disabling it. PCI: 00:1f.2 [8086/0000] bus ops PCI: 00:1f.2 [8086/9d21] enabled PCI: 00:1f.3 [8086/0000] bus ops PCI: 00:1f.3 [8086/9d71] enabled PCI: 00:1f.4 [8086/0000] bus ops PCI: 00:1f.4 [8086/9d23] enabled PCI: 00:1f.5 [8086/0000] bus ops PCI: 00:1f.5 [8086/9d24] enabled PCI: 00:14.0 scanning... scan_usb_bus for PCI: 00:14.0 USB0 port 0 enabled USB0 port 0 scanning... scan_usb_bus for USB0 port 0 USB2 port 0 enabled USB2 port 1 enabled USB2 port 2 enabled USB2 port 4 enabled USB2 port 8 enabled USB2 port 0 scanning... scan_usb_bus for USB2 port 0 scan_usb_bus for USB2 port 0 done scan_bus: scanning of bus USB2 port 0 took 8973 usecs USB2 port 1 scanning... scan_usb_bus for USB2 port 1 scan_usb_bus for USB2 port 1 done scan_bus: scanning of bus USB2 port 1 took 8964 usecs USB2 port 2 scanning... scan_usb_bus for USB2 port 2 scan_usb_bus for USB2 port 2 done scan_bus: scanning of bus USB2 port 2 took 8966 usecs USB2 port 4 scanning... scan_usb_bus for USB2 port 4 scan_usb_bus for USB2 port 4 done scan_bus: scanning of bus USB2 port 4 took 8967 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 8975 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 107753 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 14151 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 14158 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 22376 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 53543 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 13892 usecs PCI: 00:1f.0 scanning... scan_lpc_bus for PCI: 00:1f.0 PNP: 0c09.0 enabled scan_lpc_bus for PCI: 00:1f.0 done scan_bus: scanning of bus PCI: 00:1f.0 took 11312 usecs PCI: 00:1f.2 scanning... scan_lpc_bus for PCI: 00:1f.2 scan_lpc_bus for PCI: 00:1f.2 done scan_bus: scanning of bus PCI: 00:1f.2 took 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 10054 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 10046 usecs scan_bus: scanning of bus DOMAIN: 0000 took 466153 usecs root_dev_scan_bus for Root Device done scan_bus: scanning of bus Root Device took 486291 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 826146 exit 39240 found VGA at PCI: 00:02.0 Setting up VGA for PCI: 00:02.0 Setting PCI_BRIDGE_CTL_VGA for bridge DOMAIN: 0000 Setting PCI_BRIDGE_CTL_VGA for bridge Root Device Allocating resources... Reading resources... Root Device read_resources bus 0 link: 0 CPU_CLUSTER: 0 read_resources bus 0 link: 0 CPU_CLUSTER: 0 read_resources bus 0 link: 0 done DOMAIN: 0000 read_resources bus 0 link: 0 PCI: 00:14.0 read_resources bus 0 link: 0 USB0 port 0 read_resources bus 0 link: 0 USB0 port 0 read_resources bus 0 link: 0 done PCI: 00:14.0 read_resources bus 0 link: 0 done PCI: 00:15.0 read_resources bus 1 link: 0 PCI: 00:15.0 read_resources bus 1 link: 0 done PCI: 00:15.1 read_resources bus 2 link: 0 PCI: 00:15.1 read_resources bus 2 link: 0 done PCI: 00:19.1 read_resources bus 3 link: 0 PCI: 00:19.1 read_resources bus 3 link: 0 done PCI: 00:1c.0 read_resources bus 1 link: 0 PCI: 00:1c.0 read_resources bus 1 link: 0 done PCI: 00:1e.2 read_resources bus 4 link: 0 PCI: 00:1e.2 read_resources bus 4 link: 0 done PCI: 00:1f.0 read_resources bus 0 link: 0 PCI: 00:1f.0 read_resources bus 0 link: 0 done DOMAIN: 0000 read_resources bus 0 link: 0 done Root Device read_resources bus 0 link: 0 done Done reading resources. Show resources in subtree (Root Device)...After reading. Root Device child on link 0 CPU_CLUSTER: 0 CPU_CLUSTER: 0 child on link 0 APIC: 00 APIC: 00 APIC: 01 APIC: 02 APIC: 03 DOMAIN: 0000 child on link 0 PCI: 00:00.0 DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffff flags 40040100 index 10000000 DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffffffff flags 40040200 index 10000100 PCI: 00:00.0 PCI: 00:00.0 resource base e0000000 size 4000000 align 0 gran 0 limit 0 flags f0000200 index 0 PCI: 00:00.0 resource base fed10000 size 8000 align 0 gran 0 limit 0 flags f0000200 index 1 PCI: 00:00.0 resource base fed18000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 2 PCI: 00:00.0 resource base fed19000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 3 PCI: 00:00.0 resource base fed84000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 4 PCI: 00:00.0 resource base fed80000 size 4000 align 0 gran 0 limit 0 flags f0000200 index 5 PCI: 00:00.0 resource base fed90000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 6 PCI: 00:00.0 resource base fed91000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 7 PCI: 00:00.0 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 8 PCI: 00:00.0 resource base c0000 size 7af40000 align 0 gran 0 limit 0 flags e0004200 index 9 PCI: 00:00.0 resource base 7b000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index b PCI: 00:00.0 resource base 7b800000 size 4800000 align 0 gran 0 limit 0 flags f0000200 index c PCI: 00:00.0 resource base 100000000 size 7f000000 align 0 gran 0 limit 0 flags e0004200 index d PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index e PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index f PCI: 00:02.0 PCI: 00:02.0 resource base 0 size 1000000 align 24 gran 24 limit ffffffffffffffff flags 201 index 10 PCI: 00:02.0 resource base 0 size 10000000 align 28 gran 28 limit ffffffffffffffff flags 1201 index 18 PCI: 00:02.0 resource base 0 size 40 align 6 gran 6 limit ffff flags 100 index 20 PCI: 00:04.0 PCI: 00:04.0 resource base 0 size 8000 align 15 gran 15 limit ffffffffffffffff flags 201 index 10 PCI: 00:08.0 PCI: 00:08.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:14.0 child on link 0 USB0 port 0 PCI: 00:14.0 resource base 0 size 10000 align 16 gran 16 limit ffffffffffffffff flags 201 index 10 USB0 port 0 child on link 0 USB2 port 0 USB2 port 0 USB2 port 1 USB2 port 2 USB2 port 4 USB2 port 8 PCI: 00:14.1 PCI: 00:14.2 PCI: 00:14.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:15.0 child on link 0 I2C: 01:5c PCI: 00:15.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 01:5c PCI: 00:15.1 child on link 0 I2C: 02:15 PCI: 00:15.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 02:15 PCI: 00:15.2 PCI: 00:15.3 PCI: 00:16.0 PCI: 00:16.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:16.1 PCI: 00:16.2 PCI: 00:16.3 PCI: 00:16.4 PCI: 00:17.0 PCI: 00:19.0 PCI: 00:19.0 resource base fe034000 size 1000 align 12 gran 12 limit ffffffffffffffff flags c0000200 index 10 PCI: 00:19.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 PCI: 00:19.1 child on link 0 I2C: 03:39 PCI: 00:19.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 03:39 I2C: 03:3a I2C: 03:1a PCI: 00:19.2 PCI: 00:1c.0 child on link 0 PCI: 01:00.0 PCI: 00:1c.0 resource base 0 size 0 align 12 gran 12 limit ffff flags 80102 index 1c PCI: 00:1c.0 resource base 0 size 0 align 20 gran 20 limit ffffffffffffffff flags 81202 index 24 PCI: 00:1c.0 resource base 0 size 0 align 20 gran 20 limit ffffffff flags 80202 index 20 PCI: 01:00.0 PCI: 01:00.0 resource base 0 size 2000 align 13 gran 13 limit ffffffffffffffff flags 201 index 10 PCI: 00:1c.1 PCI: 00:1c.2 PCI: 00:1c.3 PCI: 00:1c.4 PCI: 00:1c.5 PCI: 00:1c.6 PCI: 00:1c.7 PCI: 00:1d.0 PCI: 00:1d.1 PCI: 00:1d.2 PCI: 00:1d.3 PCI: 00:1e.0 PCI: 00:1e.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1e.1 PCI: 00:1e.2 child on link 0 SPI: 00 PCI: 00:1e.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 SPI: 00 PCI: 00:1e.3 PCI: 00:1e.4 PCI: 00:1e.4 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1e.5 PCI: 00:1e.6 PCI: 00:1e.6 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.0 child on link 0 PNP: 0c09.0 PCI: 00:1f.0 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0000100 index 0 PNP: 0c09.0 PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0 PCI: 00:1f.1 PCI: 00:1f.2 PCI: 00:1f.2 resource base 0 size 4000 align 14 gran 14 limit ffffffff flags 200 index 10 PCI: 00:1f.2 resource base fe000000 size 10000 align 0 gran 0 limit 0 flags d0000200 index 48 PCI: 00:1f.2 resource base 1800 size 100 align 0 gran 0 limit 0 flags c0000100 index 40 PCI: 00:1f.3 PCI: 00:1f.3 resource base 0 size 4000 align 14 gran 14 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.3 resource base 0 size 10000 align 16 gran 16 limit ffffffffffffffff flags 201 index 20 PCI: 00:1f.4 PCI: 00:1f.4 resource base efa0 size 20 align 0 gran 0 limit efbf flags f0000100 index 20 PCI: 00:1f.4 resource base 0 size 100 align 12 gran 8 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.5 PCI: 00:1f.5 resource base 0 size 1000 align 12 gran 12 limit ffffffff flags 200 index 10 PCI: 00:1f.6 DOMAIN: 0000 io: base: 0 size: 0 align: 0 gran: 0 limit: ffff PCI: 00:1c.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff PCI: 00:1c.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff done PCI: 00:02.0 20 * [0x0 - 0x3f] io DOMAIN: 0000 io: base: 40 size: 40 align: 6 gran: 0 limit: ffff done DOMAIN: 0000 mem: base: 0 size: 0 align: 0 gran: 0 limit: ffffffff PCI: 00:1c.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff PCI: 00:1c.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff done PCI: 00:1c.0 mem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffff PCI: 01:00.0 10 * [0x0 - 0x1fff] mem PCI: 00:1c.0 mem: base: 2000 size: 100000 align: 20 gran: 20 limit: ffffffff done PCI: 00:02.0 18 * [0x0 - 0xfffffff] prefmem PCI: 00:02.0 10 * [0x10000000 - 0x10ffffff] mem PCI: 00:1c.0 20 * [0x11000000 - 0x110fffff] mem PCI: 00:14.0 10 * [0x11100000 - 0x1110ffff] mem PCI: 00:1f.3 20 * [0x11110000 - 0x1111ffff] mem PCI: 00:04.0 10 * [0x11120000 - 0x11127fff] mem PCI: 00:1f.2 10 * [0x11128000 - 0x1112bfff] mem PCI: 00:1f.3 10 * [0x1112c000 - 0x1112ffff] mem PCI: 00:08.0 10 * [0x11130000 - 0x11130fff] mem PCI: 00:14.2 10 * [0x11131000 - 0x11131fff] mem PCI: 00:15.0 10 * [0x11132000 - 0x11132fff] mem PCI: 00:15.1 10 * [0x11133000 - 0x11133fff] mem PCI: 00:16.0 10 * [0x11134000 - 0x11134fff] mem PCI: 00:19.0 18 * [0x11135000 - 0x11135fff] mem PCI: 00:19.1 10 * [0x11136000 - 0x11136fff] mem PCI: 00:1e.0 10 * [0x11137000 - 0x11137fff] mem PCI: 00:1e.2 10 * [0x11138000 - 0x11138fff] mem PCI: 00:1e.4 10 * [0x11139000 - 0x11139fff] mem PCI: 00:1e.6 10 * [0x1113a000 - 0x1113afff] mem PCI: 00:1f.5 10 * [0x1113b000 - 0x1113bfff] mem PCI: 00:1f.4 10 * [0x1113c000 - 0x1113c0ff] mem DOMAIN: 0000 mem: base: 1113c100 size: 1113c100 align: 28 gran: 0 limit: ffffffff done avoid_fixed_resources: DOMAIN: 0000 avoid_fixed_resources:@DOMAIN: 0000 10000000 limit 0000ffff avoid_fixed_resources:@DOMAIN: 0000 10000100 limit ffffffff constrain_resources: PCI: 00:00.0 00 base e0000000 limit e3ffffff mem (fixed) constrain_resources: PCI: 00:00.0 08 base 00000000 limit 0009ffff mem (fixed) constrain_resources: PCI: 00:00.0 09 base 000c0000 limit 7affffff mem (fixed) constrain_resources: PCI: 00:00.0 0b base 7b000000 limit 7b7fffff mem (fixed) constrain_resources: PCI: 00:00.0 0c base 7b800000 limit 7fffffff mem (fixed) constrain_resources: PCI: 00:1f.0 00 base 00000000 limit 00000fff io (fixed) constrain_resources: PCI: 00:1f.2 40 base 00001800 limit 000018ff io (fixed) constrain_resources: PCI: 00:1f.4 20 base 0000efa0 limit 0000efbf io (fixed) avoid_fixed_resources:@DOMAIN: 0000 10000000 base 00001900 limit 0000ef9f avoid_fixed_resources:@DOMAIN: 0000 10000100 base c0000000 limit dfffffff Setting resources... DOMAIN: 0000 io: base:1900 size:40 align:6 gran:0 limit:ef9f PCI: 00:02.0 20 * [0x1c00 - 0x1c3f] io DOMAIN: 0000 io: next_base: 1c40 size: 40 align: 6 gran: 0 done PCI: 00:1c.0 io: base:ef9f size:0 align:12 gran:12 limit:ef9f PCI: 00:1c.0 io: next_base: ef9f size: 0 align: 12 gran: 12 done DOMAIN: 0000 mem: base:c0000000 size:1113c100 align:28 gran:0 limit:dfffffff PCI: 00:02.0 18 * [0xc0000000 - 0xcfffffff] prefmem PCI: 00:02.0 10 * [0xd0000000 - 0xd0ffffff] mem PCI: 00:1c.0 20 * [0xd1000000 - 0xd10fffff] mem PCI: 00:14.0 10 * [0xd1100000 - 0xd110ffff] mem PCI: 00:1f.3 20 * [0xd1110000 - 0xd111ffff] mem PCI: 00:04.0 10 * [0xd1120000 - 0xd1127fff] mem PCI: 00:1f.2 10 * [0xd1128000 - 0xd112bfff] mem PCI: 00:1f.3 10 * [0xd112c000 - 0xd112ffff] mem PCI: 00:08.0 10 * [0xd1130000 - 0xd1130fff] mem PCI: 00:14.2 10 * [0xd1131000 - 0xd1131fff] mem PCI: 00:15.0 10 * [0xd1132000 - 0xd1132fff] mem PCI: 00:15.1 10 * [0xd1133000 - 0xd1133fff] mem PCI: 00:16.0 10 * [0xd1134000 - 0xd1134fff] mem PCI: 00:19.0 18 * [0xd1135000 - 0xd1135fff] mem PCI: 00:19.1 10 * [0xd1136000 - 0xd1136fff] mem PCI: 00:1e.0 10 * [0xd1137000 - 0xd1137fff] mem PCI: 00:1e.2 10 * [0xd1138000 - 0xd1138fff] mem PCI: 00:1e.4 10 * [0xd1139000 - 0xd1139fff] mem PCI: 00:1e.6 10 * [0xd113a000 - 0xd113afff] mem PCI: 00:1f.5 10 * [0xd113b000 - 0xd113bfff] mem PCI: 00:1f.4 10 * [0xd113c000 - 0xd113c0ff] mem DOMAIN: 0000 mem: next_base: d113c100 size: 1113c100 align: 28 gran: 0 done PCI: 00:1c.0 prefmem: base:dfffffff size:0 align:20 gran:20 limit:dfffffff PCI: 00:1c.0 prefmem: next_base: dfffffff size: 0 align: 20 gran: 20 done PCI: 00:1c.0 mem: base:d1000000 size:100000 align:20 gran:20 limit:d10fffff PCI: 01:00.0 10 * [0xd1000000 - 0xd1001fff] mem PCI: 00:1c.0 mem: next_base: d1002000 size: 100000 align: 20 gran: 20 done Root Device assign_resources, bus 0 link: 0 DOMAIN: 0000 assign_resources, bus 0 link: 0 PCI: 00:02.0 10 <- [0x00d0000000 - 0x00d0ffffff] size 0x01000000 gran 0x18 mem64 PCI: 00:02.0 18 <- [0x00c0000000 - 0x00cfffffff] size 0x10000000 gran 0x1c prefmem64 PCI: 00:02.0 20 <- [0x0000001c00 - 0x0000001c3f] size 0x00000040 gran 0x06 io PCI: 00:04.0 10 <- [0x00d1120000 - 0x00d1127fff] size 0x00008000 gran 0x0f mem64 PCI: 00:08.0 10 <- [0x00d1130000 - 0x00d1130fff] size 0x00001000 gran 0x0c mem64 PCI: 00:14.0 10 <- [0x00d1100000 - 0x00d110ffff] size 0x00010000 gran 0x10 mem64 PCI: 00:14.0 assign_resources, bus 0 link: 0 PCI: 00:14.0 assign_resources, bus 0 link: 0 PCI: 00:14.2 10 <- [0x00d1131000 - 0x00d1131fff] size 0x00001000 gran 0x0c mem64 PCI: 00:15.0 10 <- [0x00d1132000 - 0x00d1132fff] size 0x00001000 gran 0x0c mem64 PCI: 00:15.0 assign_resources, bus 1 link: 0 PCI: 00:15.0 assign_resources, bus 1 link: 0 PCI: 00:15.1 10 <- [0x00d1133000 - 0x00d1133fff] size 0x00001000 gran 0x0c mem64 PCI: 00:15.1 assign_resources, bus 2 link: 0 PCI: 00:15.1 assign_resources, bus 2 link: 0 PCI: 00:16.0 10 <- [0x00d1134000 - 0x00d1134fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.0 18 <- [0x00d1135000 - 0x00d1135fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.1 10 <- [0x00d1136000 - 0x00d1136fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.1 assign_resources, bus 3 link: 0 PCI: 00:19.1 assign_resources, bus 3 link: 0 PCI: 00:1c.0 1c <- [0x000000ef9f - 0x000000ef9e] size 0x00000000 gran 0x0c bus 01 io PCI: 00:1c.0 24 <- [0x00dfffffff - 0x00dffffffe] size 0x00000000 gran 0x14 bus 01 prefmem PCI: 00:1c.0 20 <- [0x00d1000000 - 0x00d10fffff] size 0x00100000 gran 0x14 bus 01 mem PCI: 00:1c.0 assign_resources, bus 1 link: 0 PCI: 01:00.0 10 <- [0x00d1000000 - 0x00d1001fff] size 0x00002000 gran 0x0d mem64 PCI: 00:1c.0 assign_resources, bus 1 link: 0 PCI: 00:1e.0 10 <- [0x00d1137000 - 0x00d1137fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1e.2 10 <- [0x00d1138000 - 0x00d1138fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1e.2 assign_resources, bus 4 link: 0 PCI: 00:1e.2 assign_resources, bus 4 link: 0 PCI: 00:1e.4 10 <- [0x00d1139000 - 0x00d1139fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1e.6 10 <- [0x00d113a000 - 0x00d113afff] size 0x00001000 gran 0x0c mem64 PCI: 00:1f.0 assign_resources, bus 0 link: 0 PCI: 00:1f.0 assign_resources, bus 0 link: 0 LPC: Trying to open IO window from 800 size 1ff PCI: 00:1f.2 10 <- [0x00d1128000 - 0x00d112bfff] size 0x00004000 gran 0x0e mem PCI: 00:1f.3 10 <- [0x00d112c000 - 0x00d112ffff] size 0x00004000 gran 0x0e mem64 PCI: 00:1f.3 20 <- [0x00d1110000 - 0x00d111ffff] size 0x00010000 gran 0x10 mem64 PCI: 00:1f.4 10 <- [0x00d113c000 - 0x00d113c0ff] size 0x00000100 gran 0x08 mem64 PCI: 00:1f.5 10 <- [0x00d113b000 - 0x00d113bfff] size 0x00001000 gran 0x0c mem DOMAIN: 0000 assign_resources, bus 0 link: 0 Root Device assign_resources, bus 0 link: 0 Done setting resources. Show resources in subtree (Root Device)...After assigning values. Root Device child on link 0 CPU_CLUSTER: 0 CPU_CLUSTER: 0 child on link 0 APIC: 00 APIC: 00 APIC: 01 APIC: 02 APIC: 03 DOMAIN: 0000 child on link 0 PCI: 00:00.0 DOMAIN: 0000 resource base 1900 size 40 align 6 gran 0 limit ef9f flags 40040100 index 10000000 DOMAIN: 0000 resource base c0000000 size 1113c100 align 28 gran 0 limit dfffffff flags 40040200 index 10000100 PCI: 00:00.0 PCI: 00:00.0 resource base e0000000 size 4000000 align 0 gran 0 limit 0 flags f0000200 index 0 PCI: 00:00.0 resource base fed10000 size 8000 align 0 gran 0 limit 0 flags f0000200 index 1 PCI: 00:00.0 resource base fed18000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 2 PCI: 00:00.0 resource base fed19000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 3 PCI: 00:00.0 resource base fed84000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 4 PCI: 00:00.0 resource base fed80000 size 4000 align 0 gran 0 limit 0 flags f0000200 index 5 PCI: 00:00.0 resource base fed90000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 6 PCI: 00:00.0 resource base fed91000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 7 PCI: 00:00.0 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 8 PCI: 00:00.0 resource base c0000 size 7af40000 align 0 gran 0 limit 0 flags e0004200 index 9 PCI: 00:00.0 resource base 7b000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index b PCI: 00:00.0 resource base 7b800000 size 4800000 align 0 gran 0 limit 0 flags f0000200 index c PCI: 00:00.0 resource base 100000000 size 7f000000 align 0 gran 0 limit 0 flags e0004200 index d PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index e PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index f PCI: 00:02.0 PCI: 00:02.0 resource base d0000000 size 1000000 align 24 gran 24 limit d0ffffff flags 60000201 index 10 PCI: 00:02.0 resource base c0000000 size 10000000 align 28 gran 28 limit cfffffff flags 60001201 index 18 PCI: 00:02.0 resource base 1c00 size 40 align 6 gran 6 limit 1c3f flags 60000100 index 20 PCI: 00:04.0 PCI: 00:04.0 resource base d1120000 size 8000 align 15 gran 15 limit d1127fff flags 60000201 index 10 PCI: 00:08.0 PCI: 00:08.0 resource base d1130000 size 1000 align 12 gran 12 limit d1130fff flags 60000201 index 10 PCI: 00:14.0 child on link 0 USB0 port 0 PCI: 00:14.0 resource base d1100000 size 10000 align 16 gran 16 limit d110ffff flags 60000201 index 10 USB0 port 0 child on link 0 USB2 port 0 USB2 port 0 USB2 port 1 USB2 port 2 USB2 port 4 USB2 port 8 PCI: 00:14.1 PCI: 00:14.2 PCI: 00:14.2 resource base d1131000 size 1000 align 12 gran 12 limit d1131fff flags 60000201 index 10 PCI: 00:15.0 child on link 0 I2C: 01:5c PCI: 00:15.0 resource base d1132000 size 1000 align 12 gran 12 limit d1132fff flags 60000201 index 10 I2C: 01:5c PCI: 00:15.1 child on link 0 I2C: 02:15 PCI: 00:15.1 resource base d1133000 size 1000 align 12 gran 12 limit d1133fff flags 60000201 index 10 I2C: 02:15 PCI: 00:15.2 PCI: 00:15.3 PCI: 00:16.0 PCI: 00:16.0 resource base d1134000 size 1000 align 12 gran 12 limit d1134fff flags 60000201 index 10 PCI: 00:16.1 PCI: 00:16.2 PCI: 00:16.3 PCI: 00:16.4 PCI: 00:17.0 PCI: 00:19.0 PCI: 00:19.0 resource base fe034000 size 1000 align 12 gran 12 limit ffffffffffffffff flags c0000200 index 10 PCI: 00:19.0 resource base d1135000 size 1000 align 12 gran 12 limit d1135fff flags 60000201 index 18 PCI: 00:19.1 child on link 0 I2C: 03:39 PCI: 00:19.1 resource base d1136000 size 1000 align 12 gran 12 limit d1136fff flags 60000201 index 10 I2C: 03:39 I2C: 03:3a I2C: 03:1a PCI: 00:19.2 PCI: 00:1c.0 child on link 0 PCI: 01:00.0 PCI: 00:1c.0 resource base ef9f size 0 align 12 gran 12 limit ef9f flags 60080102 index 1c PCI: 00:1c.0 resource base dfffffff size 0 align 20 gran 20 limit dfffffff flags 60081202 index 24 PCI: 00:1c.0 resource base d1000000 size 100000 align 20 gran 20 limit d10fffff flags 60080202 index 20 PCI: 01:00.0 PCI: 01:00.0 resource base d1000000 size 2000 align 13 gran 13 limit d1001fff flags 60000201 index 10 PCI: 00:1c.1 PCI: 00:1c.2 PCI: 00:1c.3 PCI: 00:1c.4 PCI: 00:1c.5 PCI: 00:1c.6 PCI: 00:1c.7 PCI: 00:1d.0 PCI: 00:1d.1 PCI: 00:1d.2 PCI: 00:1d.3 PCI: 00:1e.0 PCI: 00:1e.0 resource base d1137000 size 1000 align 12 gran 12 limit d1137fff flags 60000201 index 10 PCI: 00:1e.1 PCI: 00:1e.2 child on link 0 SPI: 00 PCI: 00:1e.2 resource base d1138000 size 1000 align 12 gran 12 limit d1138fff flags 60000201 index 10 SPI: 00 PCI: 00:1e.3 PCI: 00:1e.4 PCI: 00:1e.4 resource base d1139000 size 1000 align 12 gran 12 limit d1139fff flags 60000201 index 10 PCI: 00:1e.5 PCI: 00:1e.6 PCI: 00:1e.6 resource base d113a000 size 1000 align 12 gran 12 limit d113afff flags 60000201 index 10 PCI: 00:1f.0 child on link 0 PNP: 0c09.0 PCI: 00:1f.0 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0000100 index 0 PNP: 0c09.0 PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0 PCI: 00:1f.1 PCI: 00:1f.2 PCI: 00:1f.2 resource base d1128000 size 4000 align 14 gran 14 limit d112bfff flags 60000200 index 10 PCI: 00:1f.2 resource base fe000000 size 10000 align 0 gran 0 limit 0 flags d0000200 index 48 PCI: 00:1f.2 resource base 1800 size 100 align 0 gran 0 limit 0 flags c0000100 index 40 PCI: 00:1f.3 PCI: 00:1f.3 resource base d112c000 size 4000 align 14 gran 14 limit d112ffff flags 60000201 index 10 PCI: 00:1f.3 resource base d1110000 size 10000 align 16 gran 16 limit d111ffff flags 60000201 index 20 PCI: 00:1f.4 PCI: 00:1f.4 resource base efa0 size 20 align 0 gran 0 limit efbf flags f0000100 index 20 PCI: 00:1f.4 resource base d113c000 size 100 align 12 gran 8 limit d113c0ff flags 60000201 index 10 PCI: 00:1f.5 PCI: 00:1f.5 resource base d113b000 size 1000 align 12 gran 12 limit d113bfff flags 60000200 index 10 PCI: 00:1f.6 Done allocating resources. BS: BS_DEV_RESOURCES times (us): entry 0 run 2113726 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 231 run 139296 exit 19261 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 30842 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 6983 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 2247 usecs PCI: 00:08.0 init ... PCI: 00:08.0 init finished in 2249 usecs PCI: 00:14.0 init ... PCI: 00:14.0 init finished in 2247 usecs PCI: 00:14.2 init ... PCI: 00:14.2 init finished in 2248 usecs PCI: 00:15.0 init ... DW I2C bus 0 at 0xd1132000 (400 KHz) PCI: 00:15.0 init finished in 5967 usecs PCI: 00:15.1 init ... DW I2C bus 1 at 0xd1133000 (400 KHz) PCI: 00:15.1 init finished in 5965 usecs PCI: 00:16.0 init ... PCI: 00:16.0 init finished in 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 5287 usecs PCI: 00:1e.4 init ... PCI: 00:1e.4 init finished in 2248 usecs PCI: 00:1f.0 init ... IOAPIC: Initializing IOAPIC at 0xfec00000 IOAPIC: Bootstrap Processor Local APIC = 0x00 IOAPIC: ID = 0x02 IOAPIC: Dumping registers reg 0x0000: 0x02000000 reg 0x0001: 0x00770020 reg 0x0002: 0x00000000 PCI: 00:1f.0 init finished in 23488 usecs PCI: 00:1f.2 init ... RTC Init Set power on after power failure. Disabling ACPI via APMC: done. Disabling Deep S3 Disabling Deep S3 Enabling Deep S4 Enabling Deep S4 Enabling Deep S5 Enabling Deep S5 PCI: 00:1f.2 init finished in 23823 usecs PCI: 00:1f.4 init ... PCI: 00:1f.4 init finished in 2258 usecs PCI: 01:00.0 init ... PCI: 01:00.0 init finished in 2388 usecs PNP: 0c09.0 init ... Google Chrome EC: Hello got back 11223344 status (0) Google Chrome EC: version: ro: rammus_v2.0.387-f0df0fe2e rw: rammus_v2.0.427-c38dc837e running image: 1 EC returned error result code 1 PNP: 0c09.0 init finished in 24552 usecs Devices initialized Show all devs... After init. Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 DOMAIN: 0000: enabled 1 APIC: 00: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 PCI: 00:15.1: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PCI: 00:1f.1: enabled 0 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 USB0 port 0: enabled 1 I2C: 01:5c: enabled 1 I2C: 02:15: enabled 1 I2C: 03:39: enabled 1 I2C: 03:3a: enabled 1 I2C: 03:1a: enabled 1 PCI: 01:00.0: enabled 1 SPI: 00: enabled 1 PNP: 0c09.0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 APIC: 01: enabled 1 APIC: 02: enabled 1 APIC: 03: enabled 1 PCI: 00:04.0: enabled 1 PCI: 00:08.0: enabled 1 FMAP: area RW_ELOG found @ 9f0000 (16384 bytes) ELOG: NV offset 0x9f0000 size 0x4000 ELOG: area is 4096 bytes, full threshold 3842, shrink size 1024 ELOG: Event(17) added with size 13 at 2024-01-05 19:36:53 UTC POST: Unexpected post code in previous boot: 0x34 ELOG: Event(A3) added with size 11 at 2024-01-05 19:36:53 UTC ELOG: Event(92) added with size 9 at 2024-01-05 19:36:53 UTC ELOG: Event(9A) added with size 9 at 2024-01-05 19:36:53 UTC ELOG: Event(AD) added with size 10 at 2024-01-05 19:36:53 UTC ELOG: Event(9F) added with size 14 at 2024-01-05 19:36:53 UTC BS: BS_DEV_INIT times (us): entry 0 run 417158 exit 60012 ELOG: Event(A1) added with size 10 at 2024-01-05 19:36:53 UTC elog_add_boot_reason: Logged recovery mode boot (Dev-switch on), reason: 0x1b ELOG: Event(A0) added with size 9 at 2024-01-05 19:36:53 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 25554 run 3969 exit 5195 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 7a9b 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 537496 exit 146827 call enable_fixed_mtrr() CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CPU physical address size: 39 bits CBFS: Locating 'fallback/payload' MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 call enable_fixed_mtrr() MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 CPU physical address size: 39 bits call enable_fixed_mtrr() CBFS: Found @ offset 223040 size 360b4 CPU physical address size: 39 bits Checking segment from ROM address 0xfff23078 Checking segment from ROM address 0xfff23094 Loading segment from ROM address 0xfff23078 code (compression=0) New segment dstaddr 0x30104020 memsize 0x64d8b0 srcaddr 0xfff230b0 filesize 0x3607c Loading Segment: addr: 0x30104020 memsz: 0x000000000064d8b0 filesz: 0x000000000003607c it's not compressed! [ 0x30104020, 3013a09c, 0x307518d0) <- fff230b0 Clearing Segment: addr: 0x000000003013a09c memsz: 0x0000000000617834 Loading segment from ROM address 0xfff23094 Entry Point 0x30104020 Loaded segments Finalizing chipset. ME: Host Firmware Status Register 1 : 0x90000245 ME: Host Firmware Status Register 2 : 0x6B000306 ME: Host Firmware Status Register 3 : 0x00000020 ME: Host Firmware Status Register 4 : 0x00084004 ME: Host Firmware Status Register 5 : 0x00000000 ME: Host Firmware Status Register 6 : 0x40000002 ME: FW Partition Table : OK ME: Bringup Loader Failure : NO ME: Firmware Init Complete : YES ME: Manufacturing Mode : NO ME: Boot Options Present : NO ME: Update In Progress : NO ME: D3 Support : NO ME: D0i3 Support : YES ME: Low Power State Enabled : YES ME: CPU Replaced : NO ME: CPU Replacement Valid : YES ME: Current Working State : Normal ME: Current Operation State : M0 with UMA ME: Current Operation Mode : Normal ME: Error Code : No Error ME: Progress Phase : Host Communication ME: Power Management Event : Power cycle reset through Moff ME: Progress Phase State : Host communication established ME: Power Down Mitigation : NO ME: FPF status : fused Clearing MCA. Finalizing SMM. BS: BS_PAYLOAD_LOAD times (us): entry 608 run 262134 exit 135717 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 12460455/tftp-deploy-dbllj51l/kernel/bzImage 12460455/tftp-deploy-dbllj51l/kernel/cmdline 12460455/tftp-deploy-dbllj51l/ramdisk/ramdisk.cpio.gz tftpboot 192.168.201.1 12460455/tftp-deploy-dbllj51l/kernel/bzImploy-dbllj51l/kernel/cmdline 12460455/tftp-deploy-dbllj51l/ramdisk/ramdisk.cpio.gz Waiting for link R8152: Initializing Version 9 (ocp_data = 6010) R8152: Done initializing Adding net device done. MAC: 00:e0:4c:68:04:98 Sending DHCP discover... done. Waiting for reply... done. Sending DHCP request... done. Waiting for reply... done. My ip is 192.168.201.15 The DHCP server ip is 192.168.201.1 TFTP server IP predefined by user: 192.168.201.1 Bootfile predefined by user: 12460455/tftp-deploy-dbllj51l/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 17280320 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: 12460455/tftp-deploy-dbllj51l/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/12460455/extract-nfsrootfs-piseejhd,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: 21326054 Starting kernel ... <5>[ 0.000000] Linux version 5.10.206-cip41 (KernelCI@build-j66870-x86-64-gcc-10-x86-64-defconfig-x86-board-lsjpb) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Fri Jan 5 19:13:20 UTC 2024 <6>[ 0.000000] Command line: earlyprintk=uart8250,mmio32,0xde000000,115200n8 console_msg_format=syslog earlycon deferred_probe_timeout=60 console=ttyS0,115200n8 root=/dev/nfs rw nfsroot=192.168.201.1:/var/lib/lava/dispatcher/tmp/12460455/extract-nfsrootfs-piseejhd,tcp,hard ip=dhcp tftpserverip=192.168.201.1 <6>[ 0.000000] BIOS-provided physical RAM map: <6>[ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x0000000000000fff] type 16 <6>[ 0.000000] BIOS-e820: [mem 0x0000000000001000-0x000000000009ffff] usable <6>[ 0.000000] BIOS-e820: [mem 0x00000000000a0000-0x00000000000fffff] reserved <6>[ 0.000000] BIOS-e820: [mem 0x0000000000100000-0x000000007a997fff] usable <6>[ 0.000000] BIOS-e820: [mem 0x000000007a998000-0x000000007affffff] type 16 <6>[ 0.000000] BIOS-e820: [mem 0x000000007b000000-0x000000007fffffff] reserved <6>[ 0.000000] BIOS-e820: [mem 0x00000000e0000000-0x00000000e3ffffff] reserved <6>[ 0.000000] BIOS-e820: [mem 0x00000000fe000000-0x00000000fe00ffff] reserved <6>[ 0.000000] BIOS-e820: [mem 0x00000000fed10000-0x00000000fed19fff] reserved <6>[ 0.000000] BIOS-e820: [mem 0x00000000fed80000-0x00000000fed84fff] reserved <6>[ 0.000000] BIOS-e820: [mem 0x00000000fed90000-0x00000000fed91fff] reserved <6>[ 0.000000] BIOS-e820: [mem 0x0000000100000000-0x000000017effffff] usable <6>[ 0.000000] NX (Execute Disable) protection: active <6>[ 0.000000] SMBIOS 2.7 present. <6>[ 0.000000] DMI: Google Rammus/Rammus, BIOS 09/04/2020 <6>[ 0.000000] tsc: Detected 1600.000 MHz processor <6>[ 0.000000] tsc: Detected 1599.960 MHz TSC <6>[ 0.000057] last_pfn = 0x17f000 max_arch_pfn = 0x400000000 <6>[ 0.001402] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT <6>[ 0.007155] last_pfn = 0x7a998 max_arch_pfn = 0x400000000 <6>[ 0.025966] check: Scanning 1 areas for low memory corruption <6>[ 0.025979] Using GB pages for direct mapping <6>[ 0.026654] RAMDISK: [mem 0x375fe000-0x37ffffff] <6>[ 0.026662] ACPI: Early table checksum verification disabled <6>[ 0.026669] ACPI: RSDP 0x00000000000F0000 000024 (v02 CORE ) <6>[ 0.026683] ACPI: XSDT 0x000000007AA9A0E0 00006C (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.026700] ACPI: FACP 0x000000007AA9E970 0000F4 (v04 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.026716] ACPI: DSDT 0x000000007AA9A280 0046E3 (v05 COREv4 COREBOOT 20110725 INTL 20180531) <6>[ 0.026729] ACPI: FACS 0x000000007AA9A240 000040 <6>[ 0.026740] ACPI: FACS 0x000000007AA9A240 000040 <6>[ 0.026751] ACPI: SSDT 0x000000007AA9EA70 000EFA (v02 CORE COREBOOT 0000002A CORE 0000002A) <6>[ 0.026764] ACPI: MCFG 0x000000007AA9F970 00003C (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.026776] ACPI: TPM2 0x000000007AA9F9B0 000040 (v04 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.026788] ACPI: APIC 0x000000007AA9F9F0 00006C (v02 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.026800] ACPI: NHLT 0x000000007AA9FA60 001B1C (v05 GOOGLE RAMMUS 00000000 CORE 00000000) <6>[ 0.026813] ACPI: DMAR 0x000000007AAA1580 000088 (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.026825] ACPI: DBG2 0x000000007AAA3610 000061 (v00 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.026837] ACPI: HPET 0x000000007AAA3680 000038 (v01 CORE COREBOOT 00000000 CORE 00000000) <6>[ 0.026849] ACPI: Reserving FACP table memory at [mem 0x7aa9e970-0x7aa9ea63] <6>[ 0.026854] ACPI: Reserving DSDT table memory at [mem 0x7aa9a280-0x7aa9e962] <6>[ 0.026859] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] <6>[ 0.026864] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] <6>[ 0.026869] ACPI: Reserving SSDT table memory at [mem 0x7aa9ea70-0x7aa9f969] <6>[ 0.026873] ACPI: Reserving MCFG table memory at [mem 0x7aa9f970-0x7aa9f9ab] <6>[ 0.026878] ACPI: Reserving TPM2 table memory at [mem 0x7aa9f9b0-0x7aa9f9ef] <6>[ 0.026883] ACPI: Reserving APIC table memory at [mem 0x7aa9f9f0-0x7aa9fa5b] <6>[ 0.026888] ACPI: Reserving NHLT table memory at [mem 0x7aa9fa60-0x7aaa157b] <6>[ 0.026893] ACPI: Reserving DMAR table memory at [mem 0x7aaa1580-0x7aaa1607] <6>[ 0.026897] ACPI: Reserving DBG2 table memory at [mem 0x7aaa3610-0x7aaa3670] <6>[ 0.026902] ACPI: Reserving HPET table memory at [mem 0x7aaa3680-0x7aaa36b7] <6>[ 0.027042] No NUMA configuration found <6>[ 0.027047] Faking a node at [mem 0x0000000000000000-0x000000017effffff] <6>[ 0.027058] NODE_DATA(0) allocated [mem 0x17effc000-0x17effffff] <6>[ 0.027104] Zone ranges: <6>[ 0.027109] DMA [mem 0x0000000000001000-0x0000000000ffffff] <6>[ 0.027117] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] <6>[ 0.027124] Normal [mem 0x0000000100000000-0x000000017effffff] <6>[ 0.027131] Movable zone start for each node <6>[ 0.027136] Early memory node ranges <6>[ 0.027141] node 0: [mem 0x0000000000001000-0x000000000009ffff] <6>[ 0.027146] node 0: [mem 0x0000000000100000-0x000000007a997fff] <6>[ 0.027151] node 0: [mem 0x0000000100000000-0x000000017effffff] <6>[ 0.027158] Initmem setup node 0 [mem 0x0000000000001000-0x000000017effffff] <6>[ 0.027193] On node 0, zone DMA: 1 pages in unavailable ranges <6>[ 0.027237] On node 0, zone DMA: 96 pages in unavailable ranges <6>[ 0.038456] On node 0, zone Normal: 22120 pages in unavailable ranges <6>[ 0.038530] On node 0, zone Normal: 4096 pages in unavailable ranges <6>[ 0.038556] Reserving Intel graphics memory at [mem 0x7c000000-0x7fffffff] <6>[ 0.038915] ACPI: PM-Timer IO Port: 0x1808 <6>[ 0.038971] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-119 <6>[ 0.038985] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) <6>[ 0.038992] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) <6>[ 0.039007] Using ACPI (MADT) for SMP configuration information <6>[ 0.039013] ACPI: HPET id: 0x8086a701 base: 0xfed00000 <6>[ 0.039021] TSC deadline timer available <6>[ 0.039026] smpboot: Allowing 4 CPUs, 0 hotplug CPUs <6>[ 0.039056] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] <6>[ 0.039063] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000fffff] <6>[ 0.039069] PM: hibernation: Registered nosave memory: [mem 0x7a998000-0x7affffff] <6>[ 0.039073] PM: hibernation: Registered nosave memory: [mem 0x7b000000-0x7fffffff] <6>[ 0.039078] PM: hibernation: Registered nosave memory: [mem 0x80000000-0xdfffffff] <6>[ 0.039082] PM: hibernation: Registered nosave memory: [mem 0xe0000000-0xe3ffffff] <6>[ 0.039087] PM: hibernation: Registered nosave memory: [mem 0xe4000000-0xfdffffff] <6>[ 0.039091] PM: hibernation: Registered nosave memory: [mem 0xfe000000-0xfe00ffff] <6>[ 0.039095] PM: hibernation: Registered nosave memory: [mem 0xfe010000-0xfed0ffff] <6>[ 0.039100] PM: hibernation: Registered nosave memory: [mem 0xfed10000-0xfed19fff] <6>[ 0.039104] PM: hibernation: Registered nosave memory: [mem 0xfed1a000-0xfed7ffff] <6>[ 0.039109] PM: hibernation: Registered nosave memory: [mem 0xfed80000-0xfed84fff] <6>[ 0.039113] PM: hibernation: Registered nosave memory: [mem 0xfed85000-0xfed8ffff] <6>[ 0.039117] PM: hibernation: Registered nosave memory: [mem 0xfed90000-0xfed91fff] <6>[ 0.039122] PM: hibernation: Registered nosave memory: [mem 0xfed92000-0xffffffff] <6>[ 0.039131] [mem 0x80000000-0xdfffffff] available for PCI devices <6>[ 0.039138] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns <6>[ 0.056639] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:4 nr_node_ids:1 <6>[ 0.056933] percpu: Embedded 59 pages/cpu s200848 r8192 d32624 u524288 <6>[ 0.057015] Built 1 zonelists, mobility grouping on. Total pages: 1006266 <6>[ 0.057020] Policy zone: Normal <5>[ 0.057035] 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/12460455/extract-nfsrootfs-piseejhd,tcp,hard ip=dhcp tftpserverip=192.168.201.1 <6>[ 0.057665] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) <6>[ 0.057925] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear) <6>[ 0.058018] mem auto-init: stack:off, heap alloc:off, heap free:off <6>[ 0.080283] Memory: 3876304K/4089052K available (22546K kernel code, 3713K rwdata, 10976K rodata, 2172K init, 13948K bss, 212488K reserved, 0K cma-reserved) <6>[ 0.080437] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 <6>[ 0.080498] Kernel/User page tables isolation: enabled <6>[ 0.080641] ftrace: allocating 61879 entries in 242 pages <6>[ 0.149629] ftrace: allocated 242 pages with 5 groups <6>[ 0.149922] Running RCU self tests <6>[ 0.149938] rcu: Hierarchical RCU implementation. <6>[ 0.149943] rcu: RCU event tracing is enabled. <6>[ 0.149948] rcu: RCU lockdep checking is enabled. <6>[ 0.149952] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=4. <6>[ 0.149958] Rude variant of Tasks RCU enabled. <6>[ 0.149962] Tracing variant of Tasks RCU enabled. <6>[ 0.149967] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies. <6>[ 0.149972] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 <6>[ 0.159918] NR_IRQS: 4352, nr_irqs: 1024, preallocated irqs: 16 <5>[ 0.160411] random: crng init done <6>[ 0.160523] Console: colour dummy device 80x25 <6>[ 0.234070] printk: console [ttyS0] enabled <4>[ 0.234461] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar <4>[ 0.235145] ... MAX_LOCKDEP_SUBCLASSES: 8 <4>[ 0.235528] ... MAX_LOCK_DEPTH: 48 <4>[ 0.235918] ... MAX_LOCKDEP_KEYS: 8192 <4>[ 0.236322] ... CLASSHASH_SIZE: 4096 <4>[ 0.236726] ... MAX_LOCKDEP_ENTRIES: 32768 <4>[ 0.237137] ... MAX_LOCKDEP_CHAINS: 65536 <4>[ 0.237548] ... CHAINHASH_SIZE: 32768 <4>[ 0.237960] memory used by lock dependency info: 6365 kB <4>[ 0.238450] memory used for stack traces: 4224 kB <4>[ 0.238891] per task-struct memory footprint: 1920 bytes <6>[ 0.239442] ACPI: Core revision 20200925 <6>[ 0.240034] hpet: HPET dysfunctional in PC10. Force disabled. <6>[ 0.240556] APIC: Switch to symmetric I/O mode setup <6>[ 0.245052] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x170fff30cc4, max_idle_ns: 440795237869 ns <6>[ 0.245996] Calibrating delay loop (skipped), value calculated using timer frequency.. 3199.92 BogoMIPS (lpj=1599960) <6>[ 0.246978] mce: CPU0: Thermal monitoring enabled (TM1) <6>[ 0.246978] process: using mwait in idle threads <6>[ 0.246978] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8 <6>[ 0.246978] Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4 <6>[ 0.246978] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization <6>[ 0.246978] Spectre V2 : Mitigation: IBRS <6>[ 0.246978] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch <6>[ 0.246978] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB on VMEXIT <6>[ 0.246978] RETBleed: Mitigation: IBRS <6>[ 0.246978] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier <6>[ 0.246978] Spectre V2 : User space: Mitigation: STIBP via seccomp and prctl <6>[ 0.246978] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl and seccomp <6>[ 0.246978] MDS: Vulnerable: Clear CPU buffers attempted, no microcode <6>[ 0.246978] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode <6>[ 0.246978] SRBDS: Vulnerable: No microcode <6>[ 0.246978] GDS: Vulnerable: No microcode <6>[ 0.246978] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' <6>[ 0.246978] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' <6>[ 0.246978] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers' <6>[ 0.246978] x86/fpu: Supporting XSAVE feature 0x008: 'MPX bounds registers' <6>[ 0.246978] x86/fpu: Supporting XSAVE feature 0x010: 'MPX CSR' <6>[ 0.246978] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 <6>[ 0.246978] x86/fpu: xstate_offset[3]: 832, xstate_sizes[3]: 64 <6>[ 0.246978] x86/fpu: xstate_offset[4]: 896, xstate_sizes[4]: 64 <6>[ 0.246978] x86/fpu: Enabled xstate features 0x1f, context size is 960 bytes, using 'compacted' format. <4>[ 0.246978] ------------[ cut here ]------------ <4>[ 0.246978] missing return thunk: lkdtm_rodata_do_nothing+0x0/0x10-lkdtm_rodata_do_nothing+0x5/0x10: e9 00 00 00 00 <4>[ 0.246978] WARNING: CPU: 0 PID: 0 at arch/x86/kernel/alternative.c:725 apply_returns+0x1f5/0x220 <4>[ 0.246978] Modules linked in: <4>[ 0.246978] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.10.206-cip41 #1 <4>[ 0.246978] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 0.246978] RIP: 0010:apply_returns+0x1f5/0x220 <4>[ 0.246978] 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 78 f6 27 96 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>[ 0.246978] RSP: 0000:ffffffff96603e28 EFLAGS: 00010282 <4>[ 0.246978] RAX: 0000000000000000 RBX: ffffffff9722e21c RCX: 0000000000000000 <4>[ 0.246978] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff94377c41 <4>[ 0.246978] RBP: ffffffff95ef8940 R08: 0000000000000001 R09: 0000000000000001 <4>[ 0.246978] R10: ffffffff9668ff20 R11: 3fffffffffffffff R12: ffffffff97247550 <4>[ 0.246978] R13: cccccccccccccccc R14: ffffffff95ef8945 R15: 0000000000000004 <4>[ 0.246978] FS: 0000000000000000(0000) GS:ffff9237bac00000(0000) knlGS:0000000000000000 <4>[ 0.246978] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 0.246978] CR2: ffff923776401000 CR3: 0000000134a26001 CR4: 00000000003706f0 <4>[ 0.246978] Call Trace: <4>[ 0.246978] ? __warn+0x80/0x110 <4>[ 0.246978] ? apply_returns+0x1f5/0x220 <4>[ 0.246978] ? report_bug+0x9e/0xc0 <4>[ 0.246978] ? handle_bug+0x41/0x90 <4>[ 0.246978] ? exc_invalid_op+0x14/0x70 <4>[ 0.246978] ? asm_exc_invalid_op+0x12/0x20 <4>[ 0.246978] ? console_unlock+0x4d1/0x5f0 <4>[ 0.246978] ? apply_returns+0x1f5/0x220 <4>[ 0.246978] ? apply_returns+0x1f5/0x220 <4>[ 0.246978] alternative_instructions+0x7d/0x143 <4>[ 0.246978] arch_cpu_finalize_init+0x28/0x47 <4>[ 0.246978] start_kernel+0x4a3/0x54d <4>[ 0.246978] secondary_startup_64_no_verify+0xc2/0xcb <4>[ 0.246978] irq event stamp: 200421 <4>[ 0.246978] hardirqs last enabled at (200429): [] console_unlock+0x4d1/0x5f0 <4>[ 0.246978] hardirqs last disabled at (200436): [] console_unlock+0x444/0x5f0 <4>[ 0.246978] softirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 0.246978] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 0.246978] ---[ end trace 10d994e9f30da966 ]--- <6>[ 0.246978] Freeing SMP alternatives memory: 48K <6>[ 0.246978] pid_max: default: 32768 minimum: 301 <6>[ 0.246978] LSM: Security Framework initializing <6>[ 0.246978] SELinux: Initializing. <6>[ 0.246978] LSM support for eBPF active <6>[ 0.246978] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) <6>[ 0.246978] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) <6>[ 0.246978] smpboot: CPU0: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz (family: 0x6, model: 0x8e, stepping: 0x9) <6>[ 0.247668] Performance Events: PEBS fmt3+, Skylake events, 32-deep LBR, full-width counters, Intel PMU driver. <6>[ 0.247994] ... version: 4 <6>[ 0.248373] ... bit width: 48 <6>[ 0.248756] ... generic registers: 4 <6>[ 0.248984] ... value mask: 0000ffffffffffff <6>[ 0.249470] ... max period: 00007fffffffffff <6>[ 0.249954] ... fixed-purpose events: 3 <6>[ 0.249983] ... event mask: 000000070000000f <6>[ 0.251033] rcu: Hierarchical SRCU implementation. <6>[ 0.253682] smp: Bringing up secondary CPUs ... <6>[ 0.254724] x86: Booting SMP configuration: <6>[ 0.255033] .... node #0, CPUs: #1 <4>[ 0.256417] 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>[ 0.257986] 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>[ 0.259675] #2 #3 <6>[ 0.262206] smp: Brought up 1 node, 4 CPUs <6>[ 0.262991] smpboot: Max logical packages: 1 <6>[ 0.263392] smpboot: Total of 4 processors activated (12799.68 BogoMIPS) <6>[ 0.266416] devtmpfs: initialized <6>[ 0.267378] x86/mm: Memory block size: 128MB <6>[ 0.272129] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns <6>[ 0.272998] futex hash table entries: 1024 (order: 5, 131072 bytes, linear) <6>[ 0.274176] pinctrl core: initialized pinctrl subsystem <6>[ 0.275877] PM: RTC time: 19:37:10, date: 2024-01-05 <6>[ 0.276697] NET: Registered protocol family 16 <6>[ 0.277900] audit: initializing netlink subsys (disabled) <5>[ 0.278036] audit: type=2000 audit(1704483430.032:1): state=initialized audit_enabled=0 res=1 <6>[ 0.278816] thermal_sys: Registered thermal governor 'step_wise' <6>[ 0.278822] thermal_sys: Registered thermal governor 'user_space' <6>[ 0.279060] cpuidle: using governor menu <6>[ 0.280464] ACPI: bus type PCI registered <6>[ 0.281435] PCI: MMCONFIG for domain 0000 [bus 00-3f] at [mem 0xe0000000-0xe3ffffff] (base 0xe0000000) <6>[ 0.281990] PCI: MMCONFIG at [mem 0xe0000000-0xe3ffffff] reserved in E820 <6>[ 0.282638] PCI: Using configuration type 1 for base access <6>[ 0.322532] Kprobes globally optimized <6>[ 0.323131] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages <6>[ 0.323619] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages <6>[ 0.324214] cryptomgr_test (38) used greatest stack depth: 14880 bytes left <6>[ 0.327151] ACPI: Added _OSI(Module Device) <6>[ 0.327538] ACPI: Added _OSI(Processor Device) <6>[ 0.327952] ACPI: Added _OSI(3.0 _SCP Extensions) <6>[ 0.327987] ACPI: Added _OSI(Processor Aggregator Device) <6>[ 0.328483] ACPI: Added _OSI(Linux-Dell-Video) <6>[ 0.328900] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) <6>[ 0.329992] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) <6>[ 0.343743] ACPI: 2 ACPI AML tables successfully acquired and loaded <6>[ 0.352348] ACPI: EC: EC started <6>[ 0.352687] ACPI: EC: interrupt blocked <6>[ 0.353784] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 <6>[ 0.354990] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC used to handle transactions <6>[ 0.355650] ACPI: Interpreter enabled <6>[ 0.356060] ACPI: (supports S0 S3 S4 S5) <6>[ 0.356432] ACPI: Using IOAPIC for interrupt routing <6>[ 0.356973] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug <6>[ 0.375521] ACPI: Power Resource [PRIC] (on) <6>[ 0.503736] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) <6>[ 0.504997] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] <6>[ 0.506121] acpi PNP0A08:00: _OSC: OS now controls [PME PCIeCapability LTR] <6>[ 0.506822] acpi PNP0A08:00: [Firmware Info]: MMCONFIG for domain 0000 [bus 00-3f] only partially covers this bridge <6>[ 0.507669] PCI host bridge to bus 0000:00 <6>[ 0.507988] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] <6>[ 0.508599] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] <6>[ 0.509986] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] <6>[ 0.510654] pci_bus 0000:00: root bus resource [mem 0x000c0000-0x000c3fff window] <6>[ 0.510985] pci_bus 0000:00: root bus resource [mem 0x000c4000-0x000c7fff window] <6>[ 0.511653] pci_bus 0000:00: root bus resource [mem 0x000c8000-0x000cbfff window] <6>[ 0.511985] pci_bus 0000:00: root bus resource [mem 0x000cc000-0x000cffff window] <6>[ 0.512652] pci_bus 0000:00: root bus resource [mem 0x000d0000-0x000d3fff window] <6>[ 0.513986] pci_bus 0000:00: root bus resource [mem 0x000d4000-0x000d7fff window] <6>[ 0.514653] pci_bus 0000:00: root bus resource [mem 0x000d8000-0x000dbfff window] <6>[ 0.514985] pci_bus 0000:00: root bus resource [mem 0x000dc000-0x000dffff window] <6>[ 0.515652] pci_bus 0000:00: root bus resource [mem 0x000e0000-0x000e3fff window] <6>[ 0.515985] pci_bus 0000:00: root bus resource [mem 0x000e4000-0x000e7fff window] <6>[ 0.516653] pci_bus 0000:00: root bus resource [mem 0x000e8000-0x000ebfff window] <6>[ 0.517986] pci_bus 0000:00: root bus resource [mem 0x000ec000-0x000effff window] <6>[ 0.518653] pci_bus 0000:00: root bus resource [mem 0x000f0000-0x000fffff window] <6>[ 0.518985] pci_bus 0000:00: root bus resource [mem 0x80000001-0xdfffffff window] <6>[ 0.519653] pci_bus 0000:00: root bus resource [mem 0x800000000-0xbffffffff window] <6>[ 0.519985] pci_bus 0000:00: root bus resource [mem 0xfd000000-0xfe7fffff window] <6>[ 0.520652] pci_bus 0000:00: root bus resource [mem 0xfed40000-0xfed44fff window] <6>[ 0.521986] pci_bus 0000:00: root bus resource [bus 00-ff] <6>[ 0.522590] pci 0000:00:00.0: [8086:590c] type 00 class 0x060000 <6>[ 0.524158] pci 0000:00:02.0: [8086:591c] type 00 class 0x030000 <6>[ 0.524730] pci 0000:00:02.0: reg 0x10: [mem 0xd0000000-0xd0ffffff 64bit] <6>[ 0.525000] pci 0000:00:02.0: reg 0x18: [mem 0xc0000000-0xcfffffff 64bit pref] <6>[ 0.525656] pci 0000:00:02.0: reg 0x20: [io 0x1c00-0x1c3f] <6>[ 0.526715] pci 0000:00:04.0: [8086:1903] type 00 class 0x118000 <6>[ 0.528013] pci 0000:00:04.0: reg 0x10: [mem 0xd1120000-0xd1127fff 64bit] <6>[ 0.529478] pci 0000:00:08.0: [8086:1911] type 00 class 0x088000 <6>[ 0.530012] pci 0000:00:08.0: reg 0x10: [mem 0xd1130000-0xd1130fff 64bit] <6>[ 0.531368] pci 0000:00:14.0: [8086:9d2f] type 00 class 0x0c0330 <6>[ 0.531945] pci 0000:00:14.0: reg 0x10: [mem 0xd1100000-0xd110ffff 64bit] <6>[ 0.532143] pci 0000:00:14.0: PME# supported from D3hot D3cold <6>[ 0.533520] pci 0000:00:14.2: [8086:9d31] type 00 class 0x118000 <6>[ 0.534025] pci 0000:00:14.2: reg 0x10: [mem 0xd1131000-0xd1131fff 64bit] <6>[ 0.535384] pci 0000:00:15.0: [8086:9d60] type 00 class 0x118000 <6>[ 0.535968] pci 0000:00:15.0: reg 0x10: [mem 0xd1132000-0xd1132fff 64bit] <6>[ 0.537885] pci 0000:00:15.1: [8086:9d61] type 00 class 0x118000 <6>[ 0.538032] pci 0000:00:15.1: reg 0x10: [mem 0xd1133000-0xd1133fff 64bit] <6>[ 0.539578] pci 0000:00:19.0: [8086:9d66] type 00 class 0x118000 <6>[ 0.540033] pci 0000:00:19.0: reg 0x10: [mem 0xfe034000-0xfe034fff 64bit] <6>[ 0.540666] pci 0000:00:19.0: reg 0x18: [mem 0xd1135000-0xd1135fff 64bit] <6>[ 0.542853] pci 0000:00:19.1: [8086:9d65] type 00 class 0x118000 <6>[ 0.543032] pci 0000:00:19.1: reg 0x10: [mem 0xd1136000-0xd1136fff 64bit] <6>[ 0.544582] pci 0000:00:1c.0: [8086:9d10] type 01 class 0x060400 <6>[ 0.545196] pci 0000:00:1c.0: PME# supported from D0 D3hot D3cold <6>[ 0.546604] pci 0000:00:1e.0: [8086:9d27] type 00 class 0x118000 <6>[ 0.547032] pci 0000:00:1e.0: reg 0x10: [mem 0xd1137000-0xd1137fff 64bit] <6>[ 0.548546] pci 0000:00:1e.2: [8086:9d29] type 00 class 0x118000 <6>[ 0.550034] pci 0000:00:1e.2: reg 0x10: [mem 0xd1138000-0xd1138fff 64bit] <6>[ 0.551550] pci 0000:00:1e.4: [8086:9d2b] type 00 class 0x080501 <6>[ 0.552026] pci 0000:00:1e.4: reg 0x10: [mem 0xd1139000-0xd1139fff 64bit] <6>[ 0.553650] pci 0000:00:1e.6: [8086:9d2d] type 00 class 0x080501 <6>[ 0.554027] pci 0000:00:1e.6: reg 0x10: [mem 0xd113a000-0xd113afff 64bit] <6>[ 0.555508] pci 0000:00:1f.0: [8086:9d4b] type 00 class 0x060100 <6>[ 0.556842] pci 0000:00:1f.2: [8086:9d21] type 00 class 0x058000 <6>[ 0.557017] pci 0000:00:1f.2: reg 0x10: [mem 0xd1128000-0xd112bfff] <6>[ 0.558420] pci 0000:00:1f.3: [8086:9d71] type 00 class 0x040100 <6>[ 0.559007] pci 0000:00:1f.3: reg 0x10: [mem 0xd112c000-0xd112ffff 64bit] <6>[ 0.559669] pci 0000:00:1f.3: reg 0x20: [mem 0xd1110000-0xd111ffff 64bit] <6>[ 0.561104] pci 0000:00:1f.3: PME# supported from D3hot D3cold <6>[ 0.562470] pci 0000:00:1f.4: [8086:9d23] type 00 class 0x0c0500 <6>[ 0.563051] pci 0000:00:1f.4: reg 0x10: [mem 0xd113c000-0xd113c0ff 64bit] <6>[ 0.563730] pci 0000:00:1f.4: reg 0x20: [io 0xefa0-0xefbf] <6>[ 0.564794] pci 0000:00:1f.5: [8086:9d24] type 00 class 0x000000 <6>[ 0.565018] pci 0000:00:1f.5: reg 0x10: [mem 0xfe010000-0xfe010fff] <6>[ 0.566976] pci 0000:01:00.0: [8086:095a] type 00 class 0x028000 <6>[ 0.568418] pci 0000:01:00.0: reg 0x10: [mem 0xd1000000-0xd1001fff 64bit] <6>[ 0.570648] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold <6>[ 0.573256] pci 0000:00:1c.0: PCI bridge to [bus 01] <6>[ 0.573726] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] <6>[ 0.575470] ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.577290] ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 *10 12 14 15) <6>[ 0.578212] ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.579159] ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.580109] ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.581057] ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.582004] ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.582950] ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 6 10 12 14 15) *11 <6>[ 0.589925] ACPI: EC: interrupt unblocked <6>[ 0.589983] ACPI: EC: event unblocked <6>[ 0.590344] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 <6>[ 0.590816] ACPI: EC: GPE=0x6e <6>[ 0.590988] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC initialization complete <6>[ 0.591621] ACPI: \_SB_.PCI0.LPCB.EC0_: EC: Used to handle transactions and events <6>[ 0.593034] iommu: Default domain type: Translated <6>[ 0.594055] pci 0000:00:02.0: vgaarb: setting as boot VGA device <6>[ 0.594625] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none <6>[ 0.595008] pci 0000:00:02.0: vgaarb: bridge control possible <6>[ 0.595531] vgaarb: loaded <5>[ 0.596417] SCSI subsystem initialized <6>[ 0.597004] ACPI: bus type USB registered <6>[ 0.597527] usbcore: registered new interface driver usbfs <6>[ 0.598051] usbcore: registered new interface driver hub <6>[ 0.598581] usbcore: registered new device driver usb <6>[ 0.599110] mc: Linux media interface: v0.10 <6>[ 0.599544] videodev: Linux video capture interface: v2.00 <6>[ 0.600020] pps_core: LinuxPPS API ver. 1 registered <6>[ 0.600478] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <6>[ 0.600995] PTP clock support registered <6>[ 0.602249] Advanced Linux Sound Architecture Driver Initialized. <6>[ 0.604109] NetLabel: Initializing <6>[ 0.604441] NetLabel: domain hash size = 128 <6>[ 0.604846] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO <6>[ 0.605074] NetLabel: unlabeled traffic allowed by default <6>[ 0.605673] PCI: Using ACPI for IRQ routing <6>[ 0.613804] clocksource: Switched to clocksource tsc-early <5>[ 1.074192] VFS: Disk quotas dquot_6.6.0 <6>[ 1.074640] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) <6>[ 1.075742] pnp: PnP ACPI init <6>[ 1.076942] system 00:00: [mem 0xfed10000-0xfed17fff] has been reserved <6>[ 1.077544] system 00:00: [mem 0xfed18000-0xfed18fff] has been reserved <6>[ 1.078164] system 00:00: [mem 0xfed19000-0xfed19fff] has been reserved <6>[ 1.078779] system 00:00: [mem 0xe0000000-0xe3ffffff] has been reserved <6>[ 1.079378] system 00:00: [mem 0xfed20000-0xfed3ffff] has been reserved <6>[ 1.079993] system 00:00: [mem 0xfed90000-0xfed93fff] could not be reserved <6>[ 1.080636] system 00:00: [mem 0xfed45000-0xfed8ffff] could not be reserved <6>[ 1.081264] system 00:00: [mem 0xff000000-0xffffffff] has been reserved <6>[ 1.081877] system 00:00: [mem 0xfee00000-0xfeefffff] has been reserved <6>[ 1.082474] system 00:00: [mem 0xfed00000-0xfed003ff] has been reserved <6>[ 1.084088] system 00:01: [io 0x1800-0x18fe] has been reserved <6>[ 1.085066] system 00:03: [io 0x0900-0x09fe] has been reserved <6>[ 1.085896] system 00:04: [io 0x0200] has been reserved <6>[ 1.086387] system 00:04: [io 0x0204] has been reserved <6>[ 1.086895] system 00:04: [io 0x0800-0x087f] has been reserved <6>[ 1.087437] system 00:04: [io 0x0880-0x08ff] has been reserved <6>[ 1.090815] pnp: PnP ACPI: found 6 devices <6>[ 1.106191] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns <6>[ 1.107119] NET: Registered protocol family 2 <6>[ 1.107729] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear) <6>[ 1.110399] tcp_listen_portaddr_hash hash table entries: 2048 (order: 5, 163840 bytes, linear) <6>[ 1.111450] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear) <6>[ 1.112399] TCP bind hash table entries: 32768 (order: 9, 2359296 bytes, linear) <6>[ 1.115341] TCP: Hash tables configured (established 32768 bind 32768) <6>[ 1.116308] MPTCP token hash table entries: 4096 (order: 6, 360448 bytes, linear) <6>[ 1.117325] UDP hash table entries: 2048 (order: 6, 327680 bytes, linear) <6>[ 1.118258] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes, linear) <6>[ 1.119374] NET: Registered protocol family 1 <6>[ 1.120492] RPC: Registered named UNIX socket transport module. <6>[ 1.121081] RPC: Registered udp transport module. <6>[ 1.121517] RPC: Registered tcp transport module. <6>[ 1.121963] RPC: Registered tcp NFSv4.1 backchannel transport module. <6>[ 1.123186] NET: Registered protocol family 44 <6>[ 1.123644] pci 0000:00:1c.0: PCI bridge to [bus 01] <6>[ 1.124118] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] <6>[ 1.124760] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] <6>[ 1.125318] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] <6>[ 1.125956] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] <6>[ 1.126574] pci_bus 0000:00: resource 7 [mem 0x000c0000-0x000c3fff window] <6>[ 1.127203] pci_bus 0000:00: resource 8 [mem 0x000c4000-0x000c7fff window] <6>[ 1.127834] pci_bus 0000:00: resource 9 [mem 0x000c8000-0x000cbfff window] <6>[ 1.128452] pci_bus 0000:00: resource 10 [mem 0x000cc000-0x000cffff window] <6>[ 1.129087] pci_bus 0000:00: resource 11 [mem 0x000d0000-0x000d3fff window] <6>[ 1.129724] pci_bus 0000:00: resource 12 [mem 0x000d4000-0x000d7fff window] <6>[ 1.130351] pci_bus 0000:00: resource 13 [mem 0x000d8000-0x000dbfff window] <6>[ 1.131033] pci_bus 0000:00: resource 14 [mem 0x000dc000-0x000dffff window] <6>[ 1.131672] pci_bus 0000:00: resource 15 [mem 0x000e0000-0x000e3fff window] <6>[ 1.132299] pci_bus 0000:00: resource 16 [mem 0x000e4000-0x000e7fff window] <6>[ 1.132934] pci_bus 0000:00: resource 17 [mem 0x000e8000-0x000ebfff window] <6>[ 1.133561] pci_bus 0000:00: resource 18 [mem 0x000ec000-0x000effff window] <6>[ 1.134196] pci_bus 0000:00: resource 19 [mem 0x000f0000-0x000fffff window] <6>[ 1.134834] pci_bus 0000:00: resource 20 [mem 0x80000001-0xdfffffff window] <6>[ 1.135460] pci_bus 0000:00: resource 21 [mem 0x800000000-0xbffffffff window] <6>[ 1.136108] pci_bus 0000:00: resource 22 [mem 0xfd000000-0xfe7fffff window] <6>[ 1.136746] pci_bus 0000:00: resource 23 [mem 0xfed40000-0xfed44fff window] <6>[ 1.137373] pci_bus 0000:01: resource 1 [mem 0xd1000000-0xd10fffff] <6>[ 1.138440] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] <6>[ 1.141331] PCI: CLS 64 bytes, default 64 <6>[ 1.142162] Unpacking initramfs... <6>[ 1.597036] Freeing initrd memory: 10248K <6>[ 1.597497] DMAR: Host address width 39 <6>[ 1.597964] DMAR: DRHD base: 0x000000fed90000 flags: 0x0 <6>[ 1.598522] DMAR: dmar0: reg_base_addr fed90000 ver 1:0 cap 1c0000c40660462 ecap 19e2ff0505e <6>[ 1.599284] DMAR: RMRR base: 0x0000007b800000 end: 0x0000007fffffff <6>[ 1.599862] DMAR: DRHD base: 0x000000fed91000 flags: 0x1 <6>[ 1.600368] DMAR: dmar1: reg_base_addr fed91000 ver 1:0 cap d2008c40660462 ecap f050da <6>[ 1.601185] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) <6>[ 1.601781] software IO TLB: mapped [mem 0x0000000076998000-0x000000007a998000] (64MB) <6>[ 1.602769] RAPL PMU: API unit is 2^-32 Joules, 5 fixed counters, 655360 ms ovfl timer <6>[ 1.603473] RAPL PMU: hw unit of domain pp0-core 2^-14 Joules <6>[ 1.604016] RAPL PMU: hw unit of domain package 2^-14 Joules <6>[ 1.604531] RAPL PMU: hw unit of domain dram 2^-14 Joules <6>[ 1.605034] RAPL PMU: hw unit of domain pp1-gpu 2^-14 Joules <6>[ 1.605550] RAPL PMU: hw unit of domain psys 2^-14 Joules <3>[ 1.608002] kvm: already loaded the other module <6>[ 1.614769] check: Scanning for low memory corruption every 60 seconds <5>[ 1.618862] Initialise system trusted keyrings <6>[ 1.619569] workingset: timestamp_bits=56 max_order=20 bucket_order=0 <5>[ 1.641898] NFS: Registering the id_resolver key type <5>[ 1.642410] Key type id_resolver registered <5>[ 1.642852] Key type id_legacy registered <5>[ 1.665840] Key type asymmetric registered <5>[ 1.666261] Asymmetric key parser 'x509' registered <6>[ 1.666792] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 248) <6>[ 1.667474] io scheduler mq-deadline registered <6>[ 1.667910] io scheduler kyber registered <4>[ 1.668552] test_firmware: interface ready <6>[ 1.670598] pcieport 0000:00:1c.0: PME: Signaling with IRQ 120 <6>[ 1.672568] ACPI: AC Adapter [AC] (on-line) <6>[ 1.673423] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/PNP0C0D:00/input/input0 <6>[ 1.675303] ACPI: Lid Switch [LID0] <6>[ 1.675938] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input1 <6>[ 1.676904] ACPI: Power Button [PWRF] <6>[ 1.677751] ACPI: \_PR_.CP00: Found 3 idle states <6>[ 1.678999] ACPI: \_PR_.CP01: Found 3 idle states <6>[ 1.680059] ACPI: \_PR_.CP02: Found 3 idle states <6>[ 1.681158] ACPI: \_PR_.CP03: Found 3 idle states <6>[ 1.682867] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled <4>[ 1.686069] hpet_acpi_add: no address or irqs in _CRS <6>[ 1.686839] Non-volatile memory driver v1.3 <6>[ 1.687313] battery: ACPI: Battery Slot [BAT0] (battery present) <6>[ 1.687403] Linux agpgart interface v0.103 <6>[ 1.688703] ACPI: bus type drm_connector registered <6>[ 1.689325] [drm] amdgpu kernel modesetting enabled. <6>[ 1.692693] i915 0000:00:02.0: vgaarb: deactivate vga console <6>[ 1.745946] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem <6>[ 1.747763] i915 0000:00:02.0: [drm] Finished loading DMC firmware i915/kbl_dmc_ver1_04.bin (v1.4) <6>[ 1.777840] [drm] Initialized i915 1.6.0 20200917 for 0000:00:02.0 on minor 0 <6>[ 1.781932] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 1 <6>[ 1.798901] loop: module loaded <6>[ 1.800060] lkdtm: No crash points registered, enable through debugfs <6>[ 1.824703] printk: console [ttyS0] disabled <6>[ 1.825424] dw-apb-uart.2: ttyS0 at MMIO 0xfe034000 (irq = 32, base_baud = 115200) is a 16550A <6>[ 2.645775] tsc: Refined TSC clocksource calibration: 1608.000 MHz <6>[ 2.662253] printk: console [ttyS0] enabled <6>[ 2.671420] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x172daa3a18b, max_idle_ns: 440795212390 ns <6>[ 2.693655] dw-apb-uart.4: ttyS1 at MMIO 0xd1137000 (irq = 20, base_baud = 115200) is a 16550A <6>[ 5.459008] clocksource: Switched to clocksource tsc <6>[ 5.459097] fbcon: i915drmfb (fb0) is primary device <4>[ 5.461816] pxa2xx-spi pxa2xx-spi.5: no DMA channels available, using PIO <6>[ 5.469847] e100: Intel(R) PRO/100 Network Driver <6>[ 5.469850] e100: Copyright(c) 1999-2006 Intel Corporation <6>[ 5.469914] e1000: Intel(R) PRO/1000 Network Driver <6>[ 5.469916] e1000: Copyright (c) 1999-2006 Intel Corporation. <6>[ 5.470001] e1000e: Intel(R) PRO/1000 Network Driver <6>[ 5.470003] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. <6>[ 5.470089] igb: Intel(R) Gigabit Ethernet Network Driver <6>[ 5.470091] igb: Copyright (c) 2007-2014 Intel Corporation. <6>[ 5.470153] sky2: driver version 1.30 <6>[ 5.470475] usbcore: registered new interface driver r8152 <6>[ 5.471082] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver <6>[ 5.471109] ehci-pci: EHCI PCI platform driver <6>[ 5.471202] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver <6>[ 5.471225] ohci-pci: OHCI PCI platform driver <6>[ 5.471315] uhci_hcd: USB Universal Host Controller Interface driver <6>[ 5.472802] tpm_tis_spi spi-PRP0001:00: TPM ready IRQ confirmed on attempt 2 <6>[ 5.473194] xhci_hcd 0000:00:14.0: xHCI Host Controller <6>[ 5.474532] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 1 <6>[ 5.476126] xhci_hcd 0000:00:14.0: hcc params 0x200077c1 hci version 0x100 quirks 0x0000000081109810 <6>[ 5.476186] xhci_hcd 0000:00:14.0: cache line size of 64 is not supported <6>[ 5.478712] xhci_hcd 0000:00:14.0: xHCI Host Controller <6>[ 5.479240] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 2 <6>[ 5.479253] xhci_hcd 0000:00:14.0: Host supports USB 3.0 SuperSpeed <6>[ 5.479980] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10 <6>[ 5.480014] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 <6>[ 5.480019] usb usb1: Product: xHCI Host Controller <6>[ 5.480022] usb usb1: Manufacturer: Linux 5.10.206-cip41 xhci-hcd <6>[ 5.480025] usb usb1: SerialNumber: 0000:00:14.0 <6>[ 5.482132] hub 1-0:1.0: USB hub found <6>[ 5.482350] hub 1-0:1.0: 12 ports detected <6>[ 5.486832] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.10 <6>[ 5.486837] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 <6>[ 5.486841] usb usb2: Product: xHCI Host Controller <6>[ 5.486844] usb usb2: Manufacturer: Linux 5.10.206-cip41 xhci-hcd <6>[ 5.486848] usb usb2: SerialNumber: 0000:00:14.0 <6>[ 5.488086] hub 2-0:1.0: USB hub found <6>[ 5.488150] hub 2-0:1.0: 6 ports detected <6>[ 5.490348] usbcore: registered new interface driver usblp <6>[ 5.490447] usbcore: registered new interface driver usb-storage <6>[ 5.491101] udc-core: couldn't find an available UDC - added [g_ether] to list of pending drivers <6>[ 5.491267] i8042: PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1 <4>[ 5.491271] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp <4>[ 5.492267] i8042: Warning: Keylock active <6>[ 5.492573] serio: i8042 KBD port at 0x60,0x64 irq 1 <6>[ 5.495111] rtc_cmos 00:02: RTC can wake from S4 <6>[ 5.496492] tpm_tis_spi spi-PRP0001:00: 2.0 TPM (device-id 0x28, rev-id 0) <6>[ 5.497807] rtc_cmos 00:02: registered as rtc0 <6>[ 5.498087] rtc_cmos 00:02: alarms up to one month, 242 bytes nvram <6>[ 5.498401] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input2 <6>[ 5.499050] i801_smbus 0000:00:1f.4: SPD Write Disable is set <6>[ 5.499095] i801_smbus 0000:00:1f.4: SMBus using PCI interrupt <6>[ 5.500112] i2c i2c-9: 2/2 memory slots populated (from DMI) <6>[ 5.501937] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com <6>[ 5.501992] intel_pstate: Intel P-state driver initializing <6>[ 5.502804] intel_pstate: HWP enabled <6>[ 5.502841] sdhci: Secure Digital Host Controller Interface driver <6>[ 5.502842] sdhci: Copyright(c) Pierre Ossman <6>[ 5.502871] sdhci-pci 0000:00:1e.4: SDHCI controller found [8086:9d2b] (rev 21) <6>[ 5.503738] mmc0: SDHCI controller on PCI [0000:00:1e.4] using ADMA 64-bit <6>[ 5.503786] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 5.504038] Console: switching to colour frame buffer device 240x67 <6>[ 5.505435] hid: raw HID events driver (C) Jiri Kosina <6>[ 5.506169] usbcore: registered new interface driver usbhid <6>[ 5.506172] usbhid: USB HID core driver <6>[ 5.506586] input: Tablet Mode Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/GOOG0006:00/input/input3 <6>[ 5.511342] cros_ec_lpcs GOOG0004:00: Chrome EC device registered <6>[ 5.511931] snd_hda_intel 0000:00:1f.3: DSP detected with PCI class/subclass/prog-if info 0x040100 <6>[ 5.512867] ipip: IPv4 and MPLS over IPv4 tunneling driver <6>[ 5.513147] IPv4 over IPsec tunneling driver <6>[ 5.513389] Initializing XFRM netlink socket <6>[ 5.513787] NET: Registered protocol family 10 <6>[ 5.514579] Segment Routing with IPv6 <6>[ 5.515266] NET: Registered protocol family 17 <6>[ 5.515402] 8021q: 802.1Q VLAN Support v1.8 <5>[ 5.515454] Key type dns_resolver registered <6>[ 5.516196] microcode: sig=0x806e9, pf=0x10, revision=0x98 <6>[ 5.516252] microcode: Microcode Update Driver: v2.2. <6>[ 5.516258] IPI shorthand broadcast: enabled <6>[ 5.516291] sched_clock: Marking stable (5430427188, 85610293)->(5637681946, -121644465) <6>[ 5.516479] registered taskstats version 1 <5>[ 5.516484] Loading compiled-in X.509 certificates <6>[ 5.518254] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 5.519736] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 5.520767] PM: Magic number: 8:939:646 <6>[ 5.520795] snd_hda_intel 0000:00:1f.3: bound 0000:00:02.0 (ops i915_audio_component_bind_ops) <3>[ 5.543810] snd_hda_intel 0000:00:1f.3: Cannot probe codecs, giving up <6>[ 5.544321] i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device <6>[ 5.705362] mmc0: new HS400 MMC card at address 0001 <6>[ 5.787678] tpm_tis_spi spi-PRP0001:00: Cr50 firmware version: B2-C:0 RO_A:0.0.10/29d77172 RW_B:0.3.15/cr50_v1.9308_87_mp.224-6 <6>[ 5.789274] mmcblk0: mmc0:0001 DA4064 58.2 GiB <6>[ 5.793577] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 5.799704] mmcblk0boot0: mmc0:0001 DA4064 partition 1 4.00 MiB <6>[ 5.816744] usb 2-3: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd <6>[ 5.816932] mmcblk0boot1: mmc0:0001 DA4064 partition 2 4.00 MiB <6>[ 5.837252] usb 2-3: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=31.00 <6>[ 5.841550] mmcblk0rpmb: mmc0:0001 DA4064 partition 3 16.0 MiB, chardev (245:0) <6>[ 5.847284] usb 2-3: New USB device strings: Mfr=1, Product=2, SerialNumber=6 <6>[ 5.952630] usb 1-3: new full-speed USB device number 2 using xhci_hcd <6>[ 5.952998] usb 2-3: Product: USB 10/100/1000 LAN <6>[ 6.093595] usb 1-3: New USB device found, idVendor=8087, idProduct=0a2a, bcdDevice= 0.03 <6>[ 6.095848] usb 2-3: Manufacturer: Realtek <6>[ 6.104291] usb 1-3: New USB device strings: Mfr=0, Product=0, SerialNumber=0 <6>[ 6.106516] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 6.112787] usb 2-3: SerialNumber: 001000001 <6>[ 6.236633] usb 1-9: new high-speed USB device number 3 using xhci_hcd <6>[ 6.239588] mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12 <6>[ 6.239777] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 6.295883] printk: console [netcon0] enabled <6>[ 6.301056] netconsole: network logging started <6>[ 6.311034] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 6.410099] usb 1-9: New USB device found, idVendor=13d3, idProduct=56d4, bcdDevice=18.07 <6>[ 6.419577] usb 1-9: New USB device strings: Mfr=3, Product=1, SerialNumber=2 <6>[ 6.427866] usb 1-9: Product: USB2.0 HD UVC WebCam <6>[ 6.433531] usb 1-9: Manufacturer: Azurewave <6>[ 6.438626] usb 1-9: SerialNumber: 0x0001 <6>[ 6.451037] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 6.491069] usb 2-3: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd <6>[ 6.546505] r8152 2-3:1.0: load rtl8153b-2 v2 04/27/23 successfully <6>[ 6.588785] r8152 2-3:1.0 eth0: v1.11.11 <6>[ 6.594142] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 8.201059] r8152 2-3:1.0 eth0: carrier on <6>[ 8.201747] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready <5>[ 8.213386] Sending DHCP requests .., OK <6>[ 10.688541] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.15 <6>[ 10.697799] IP-Config: Complete: <6>[ 10.701722] device=eth0, hwaddr=00:e0:4c:68:04:98, ipaddr=192.168.201.15, mask=255.255.255.0, gw=192.168.201.1 <6>[ 10.713697] host=asus-c433ta-aj0005-rammus-cbg-4, domain=lava-rack, nis-domain=(none) <6>[ 10.723237] bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath= <6>[ 10.723241] nameserver0=192.168.201.1 <5>[ 10.736649] cfg80211: Loading compiled-in X.509 certificates for regulatory database <6>[ 10.748386] modprobe (102) used greatest stack depth: 14208 bytes left <5>[ 10.751316] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' <5>[ 10.763802] cfg80211: Loaded X.509 cert 'wens: 61c038651aabdcf94bd0ac7ff06c7248db18c600' <4>[ 10.773349] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 <6>[ 10.776734] ALSA device list: <6>[ 10.783366] cfg80211: failed to load regulatory.db <6>[ 10.786916] No soundcards found. <4>[ 10.797045] dw-apb-uart dw-apb-uart.2: forbid DMA for kernel console <6>[ 10.806927] Freeing unused kernel image (initmem) memory: 2172K <6>[ 10.824881] Write protecting the kernel read-only data: 36864k <6>[ 10.832586] Freeing unused kernel image (text/rodata gap) memory: 2028K <6>[ 10.840680] Freeing unused kernel image (rodata/data gap) memory: 1312K <6>[ 10.848458] Run /init as init process Loading, please wait... Starting version 247.3-7+deb11u2 <6>[ 10.869168] systemd-udevd (124) used greatest stack depth: 13752 bytes left <6>[ 10.918955] udevadm (126) used greatest stack depth: 13592 bytes left <6>[ 11.038236] chromeos ramoops using acpi device. <6>[ 11.039599] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 11.055627] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <4>[ 11.064949] cros-usbpd-notify-acpi GOOG0003:00: Couldn't get Chrome EC device pointer. <6>[ 11.074302] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <4>[ 11.095743] i2c_hid i2c-PNP0C50:00: supply vdd not found, using dummy regulator <4>[ 11.104995] i2c_hid i2c-PNP0C50:00: supply vddl not found, using dummy regulator <6>[ 11.120007] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 11.137022] Registered efivars operations <6>[ 11.142007] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 11.150565] gsmi version 1.0 loaded <6>[ 11.279892] 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>[ 11.298144] hid-generic 0018:0457:157E.0001: input,hidraw0: I2C HID v1.00 Device [PNP0C50:00 0457:157E] on i2c-PNP0C50:00 <6>[ 11.311085] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 11.323308] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 11.335768] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 11.347971] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 11.360243] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 11.371389] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <4>[ 11.382160] da7219 i2c-DLGS7219:00: Using default DAI clk names: da7219-dai-wclk, da7219-dai-bclk <6>[ 11.382168] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 11.393726] uvcvideo: Found UVC 1.00 device USB2.0 HD UVC WebCam (13d3:56d4) <6>[ 11.402763] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 11.414005] 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>[ 11.430271] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 11.430509] usbcore: registered new interface driver uvcvideo <6>[ 11.445540] USB Video Class driver (1.1.1) <6>[ 11.453312] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 11.463049] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 11.473016] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) <6>[ 11.478177] udevadm (141) used greatest stack depth: 13400 bytes left Begin: Loading essential drivers ... done. Begin: Running /scripts/init-premount ... done. Begin: Mounting root file system ... Begin: Running /scripts/nfs-top ... done. Begin: Running /scripts/nfs-premount ... Waiting up to 60 secs for any ethernet to become available Device /sys/class/net/eth0 found done. IP-Config: eth0 hardware address 00:e0:4c:68:04:98 mtu 1500 DHCP IP-Config: eth0 complete (dhcp from 192.168.201.1): address: 192.168.201.15 broadcast: 192.168.201.255 netmask: 255.255.255.0 gateway: 192.168.201.1 dns0 : 192.168.201.1 dns1 : 0.0.0.0 host : asus-c433ta-aj0005-rammus-cbg-4 domain : lava-rack rootserver: 192.168.201.1 rootpath: filename : <6>[ 11.606871] nfsmount (171) 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>[ 12.860138] 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>[ 12.898905] systemd[1]: Detected architecture x86-64. Welcome to Debian GNU/Linux 11 (bullseye)! <30>[ 12.929190] systemd[1]: Set hostname to . <30>[ 13.619104] systemd[1]: Queued start job for default target Graphical Interface. <30>[ 13.630930] systemd[1]: Created slice system-getty.slice. [ OK ] Created slice system-getty.slice. <30>[ 13.647294] systemd[1]: Created slice system-modprobe.slice. [ OK ] Created slice system-modprobe.slice. <30>[ 13.664307] systemd[1]: Created slice system-serial\x2dgetty.slice. [ OK ] Created slice system-serial\x2dgetty.slice. <30>[ 13.681249] systemd[1]: Created slice User and Session Slice. [ OK ] Created slice User and Session Slice. <30>[ 13.698193] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [ OK ] Started Dispatch Password …ts to Console Directory Watch. <30>[ 13.720084] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [ OK ] Started Forward Password R…uests to Wall Directory Watch. <30>[ 13.739992] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point. [ OK ] Set up automount Arbitrary…s File System Automount Point. <30>[ 13.762989] systemd[1]: Reached target Local Encrypted Volumes. [ OK ] Reached target Local Encrypted Volumes. <30>[ 13.779993] systemd[1]: Reached target Paths. [ OK ] Reached target Paths. <30>[ 13.793986] systemd[1]: Reached target Remote File Systems. [ OK ] Reached target Remote File Systems. <30>[ 13.809922] systemd[1]: Reached target Slices. [ OK ] Reached target Slices. <30>[ 13.824029] systemd[1]: Reached target Swap. [ OK ] Reached target Swap. <30>[ 13.838492] systemd[1]: Listening on initctl Compatibility Named Pipe. [ OK ] Listening on initctl Compatibility Named Pipe. <30>[ 13.857548] systemd[1]: Listening on Journal Audit Socket. [ OK ] Listening on Journal Audit Socket. <30>[ 13.875149] systemd[1]: Listening on Journal Socket (/dev/log). [ OK ] Listening on Journal Socket (/dev/log). <30>[ 13.892756] systemd[1]: Listening on Journal Socket. [ OK ] Listening on Journal Socket. <30>[ 13.909491] systemd[1]: Listening on Network Service Netlink Socket. [ OK ] Listening on Network Service Netlink Socket. <30>[ 13.929415] systemd[1]: Listening on udev Control Socket. [ OK ] Listening on udev Control Socket. <30>[ 13.945444] systemd[1]: Listening on udev Kernel Socket. [ OK ] Listening on udev Kernel Socket. <30>[ 13.963594] systemd[1]: Mounting Huge Pages File System... Mounting Huge Pages File System... <30>[ 13.981668] systemd[1]: Mounting POSIX Message Queue File System... Mounting POSIX Message Queue File System... <30>[ 14.000229] systemd[1]: Mounting Kernel Debug File System... Mounting Kernel Debug File System... <30>[ 14.015041] systemd[1]: Mounting Kernel Trace File System... Mounting Kernel Trace File System... <30>[ 14.036053] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting Create list of st…odes for the current kernel... <30>[ 14.056045] systemd[1]: Starting Load Kernel Module configfs... Starting Load Kernel Module configfs... <30>[ 14.072210] systemd[1]: Starting Load Kernel Module drm... Starting Load Kernel Module drm... <30>[ 14.087462] systemd[1]: Starting Load Kernel Module fuse... Starting Load Kernel Module fuse... <30>[ 14.125316] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. <6>[ 14.136302] fuse: init (API version 7.32) <30>[ 14.142664] systemd[1]: Starting Journal Service... Starting Journal Service... <30>[ 14.158562] systemd[1]: Starting Load Kernel Modules... Starting Load Kernel Modules... <30>[ 14.172145] systemd[1]: Starting Remount Root and Kernel File Systems... Starting Remount Root and Kernel File Systems... <30>[ 14.190259] systemd[1]: Starting Coldplug All udev Devices... Starting Coldplug All udev Devices... <30>[ 14.207985] systemd[1]: Mounted Huge Pages File System. [ OK ] Mounted Huge Pages File System. <30>[ 14.223993] systemd[1]: Mounted POSIX Message Queue File System. [ OK ] Mounted POSIX Message Queue File System. <30>[ 14.240974] systemd[1]: Mounted Kernel Debug File System. [ OK ] Mounted Kernel Debug File System. <30>[ 14.256982] systemd[1]: Mounted Kernel Trace File System. [ OK ] Mounted Kernel Trace File System. <30>[ 14.273898] 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>[ 14.296855] systemd[1]: modprobe@configfs.service: Succeeded. <30>[ 14.304343] systemd[1]: Finished Load Kernel Module configfs. [ OK ] Finished Load Kernel Module configfs. <30>[ 14.320589] systemd[1]: modprobe@drm.service: Succeeded. <30>[ 14.327638] systemd[1]: Finished Load Kernel Module drm. [ OK ] Finished Load Kernel Module drm. <30>[ 14.343643] systemd[1]: modprobe@fuse.service: Succeeded. <30>[ 14.350799] systemd[1]: Finished Load Kernel Module fuse. [ OK ] Finished Load Kernel Module fuse. <30>[ 14.366596] systemd[1]: Finished Load Kernel Modules. [ OK ] Finished Load Kernel Modules. <30>[ 14.382609] systemd[1]: Finished Remount Root and Kernel File Systems. [ OK ] Finished Remount Root and Kernel File Systems. <30>[ 14.400064] systemd[1]: Started Journal Service. [ OK ] Started Journal Service. Mounting FUSE Control File System... Mounting Kernel Configuration File System... Starting Flush Journal to Persistent Storage... Starting Load/Save Random Seed... Starting Apply Kernel Variables... Starting Create System Users... <46>[ 14.475395] systemd-journald[206]: Received client request to flush runtime journal. [ OK ] Mounted FUSE Control File System. [ OK ] Mounted Kernel Configuration File System. [ OK ] Finished Load/Save Random Seed. [ OK ] Finished Apply Kernel Variables. [ OK ] Finished Coldplug All udev Devices. [ OK ] Finished Create System Users. [ OK ] Finished Flush Journal to Persistent Storage. Starting Create Static Device Nodes in /dev... <6>[ 16.074385] systemd-tmpfile (218) 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 ] Finished Load/Save Screen … of backlight:intel_backlight. [ OK ] Finished Load/Save Screen … leds:chromeos::kbd_backlight. [ OK ] Started Network Service. Starting Network Name Resolution... [ OK ] Started Network Time Synchronization. [ OK ] Reached target System Initialization. [ OK ] Started Daily Cleanup of Temporary Directories. [ OK ] Reached target System Time Set. [ OK ] Reached target System Time Synchronized. [ OK ] Started Daily apt download activities. [ OK ] Started Daily apt upgrade and clean activities. [ OK ] Started Periodic ext4 Onli…ata Check for All Filesystems. [ OK ] Started Discard unused blocks once a week. [ OK ] Reached target Timers. [ OK ] Listening on D-Bus System Message Bus Socket. [ OK ] Reached target Sockets. [ OK ] Reached target Basic System. [ OK ] Started D-Bus System Message Bus. Starting Remove Stale Onli…t4 Metadata Check Snapshots... Starting User Login Management... [ OK ] Finished Remove Stale Onli…ext4 Metadata Check Snapshots. [ OK ] Started 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 5.10.206-cip41 #1 SMP Fri Jan 5 19:13:20 UTC 2024 x86_64 The programs included with the Debian GNU/Linux system are free software; the exact distribution terms for each program are described in the individual files in /usr/share/doc/*/copyright. Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent permitted by applicable law. / # / # export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/12460455/extract-nfsrootfs-piseejhd' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/12460455/extract-nfsrootfs-piseejhd' / # 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-12460455/environment . /lava-12460455/environment / # /lava-12460455/bin/lava-test-runner /lava-12460455/0 /lava-12460455/bin/lava-test-runner /lava-12460455/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-12460455/0/tests/0_timesync-off ++ cat uuid + UUID=12460455_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-12460455/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=12460455_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/v5.10.205-897-gcc9858ae2881/x86_64/x86_64_defconfig+x86-board+kselftest/gcc-10/kselftest.tar.xz -L '' -S /dev/null -b asus-C433TA-AJ0005-rammus -g cip-gitlab -e '' -p /opt/kselftests/mainline/ -n 1 -i 1 INFO: install_deps skipped --2024-01-05 19:37:31-- http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.205-897-gcc9858ae2881/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: 3379368 (3.2M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 1%[ ] 50.15K 190KB/s kselftest.tar.xz 6%[> ] 217.50K 411KB/s kselftest.tar.xz 24%[===> ] 801.50K 822KB/s kselftest.tar.xz 69%[============> ] 2.23M 1.79MB/s kselftest.tar.xz 98%[==================> ] 3.16M 2.16MB/s kselftest.tar.xz 100%[===================>] 3.22M 2.19MB/s in 1.5s 2024-01-05 19:37:33 (2.19 MB/s) - 'kselftest.tar.xz' saved [3379368/3379368] skiplist: ======================================== ======================================== lkdtm:PANIC.sh lkdtm:BUG.sh lkdtm:WARNING.sh lkdtm:WARNING_MESSAGE.sh lkdtm:EXCEPTION.sh lkdtm:LOOP.sh lkdtm:EXHAUST_STACK.sh lkdtm:CORRUPT_STACK.sh lkdtm:CORRUPT_STACK_STRONG.sh lkdtm:CORRUPT_LIST_ADD.sh lkdtm:CORRUPT_LIST_DEL.sh lkdtm:STACK_GUARD_PAGE_LEADING.sh lkdtm:STACK_GUARD_PAGE_TRAILING.sh lkdtm:UNSET_SMEP.sh lkdtm:DOUBLE_FAULT.sh lkdtm:CORRUPT_PAC.sh lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh lkdtm:OVERWRITE_ALLOCATION.sh lkdtm:WRITE_AFTER_FREE.sh lkdtm:READ_AFTER_FREE.sh lkdtm:WRITE_BUDDY_AFTER_FREE.sh lkdtm:READ_BUDDY_AFTER_FREE.sh lkdtm:SLAB_FREE_DOUBLE.sh lkdtm:SLAB_FREE_CROSS.sh lkdtm:SLAB_FREE_PAGE.sh lkdtm:SOFTLOCKUP.sh lkdtm:HARDLOCKUP.sh lkdtm:SPINLOCKUP.sh lkdtm:HUNG_TASK.sh lkdtm:EXEC_DATA.sh lkdtm:EXEC_STACK.sh lkdtm:EXEC_KMALLOC.sh lkdtm:EXEC_VMALLOC.sh lkdtm:EXEC_RODATA.sh lkdtm:EXEC_USERSPACE.sh lkdtm:EXEC_NULL.sh lkdtm:ACCESS_USERSPACE.sh lkdtm:ACCESS_NULL.sh lkdtm:WRITE_RO.sh lkdtm:WRITE_RO_AFTER_INIT.sh lkdtm:WRITE_KERN.sh lkdtm:REFCOUNT_INC_OVERFLOW.sh lkdtm:REFCOUNT_ADD_OVERFLOW.sh lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_DEC_ZERO.sh lkdtm:REFCOUNT_DEC_NEGATIVE.sh lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_INC_ZERO.sh lkdtm:REFCOUNT_ADD_ZERO.sh lkdtm:REFCOUNT_INC_SATURATED.sh lkdtm:REFCOUNT_DEC_SATURATED.sh lkdtm:REFCOUNT_ADD_SATURATED.sh lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_TIMING.sh lkdtm:ATOMIC_TIMING.sh lkdtm:USERCOPY_HEAP_SIZE_TO.sh lkdtm:USERCOPY_HEAP_SIZE_FROM.sh lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh lkdtm:USERCOPY_STACK_FRAME_TO.sh lkdtm:USERCOPY_STACK_FRAME_FROM.sh lkdtm:USERCOPY_STACK_BEYOND.sh lkdtm:USERCOPY_KERNEL.sh lkdtm:STACKLEAK_ERASING.sh lkdtm:CFI_FORWARD_PROTO.sh ============== Tests to run =============== lkdtm:PANIC.sh lkdtm:BUG.sh lkdtm:WARNING.sh lkdtm:WARNING_MESSAGE.sh lkdtm:EXCEPTION.sh lkdtm:LOOP.sh lkdtm:EXHAUST_STACK.sh lkdtm:CORRUPT_STACK.sh lkdtm:CORRUPT_STACK_STRONG.sh lkdtm:CORRUPT_LIST_ADD.sh lkdtm:CORRUPT_LIST_DEL.sh lkdtm:STACK_GUARD_PAGE_LEADING.sh lkdtm:STACK_GUARD_PAGE_TRAILING.sh lkdtm:UNSET_SMEP.sh lkdtm:DOUBLE_FAULT.sh lkdtm:CORRUPT_PAC.sh lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh lkdtm:OVERWRITE_ALLOCATION.sh lkdtm:WRITE_AFTER_FREE.sh lkdtm:READ_AFTER_FREE.sh lkdtm:WRITE_BUDDY_AFTER_FREE.sh lkdtm:READ_BUDDY_AFTER_FREE.sh lkdtm:SLAB_FREE_DOUBLE.sh lkdtm:SLAB_FREE_CROSS.sh lkdtm:SLAB_FREE_PAGE.sh lkdtm:SOFTLOCKUP.sh lkdtm:HARDLOCKUP.sh lkdtm:SPINLOCKUP.sh lkdtm:HUNG_TASK.sh lkdtm:EXEC_DATA.sh lkdtm:EXEC_STACK.sh lkdtm:EXEC_KMALLOC.sh lkdtm:EXEC_VMALLOC.sh lkdtm:EXEC_RODATA.sh lkdtm:EXEC_USERSPACE.sh lkdtm:EXEC_NULL.sh lkdtm:ACCESS_USERSPACE.sh lkdtm:ACCESS_NULL.sh lkdtm:WRITE_RO.sh lkdtm:WRITE_RO_AFTER_INIT.sh lkdtm:WRITE_KERN.sh lkdtm:REFCOUNT_INC_OVERFLOW.sh lkdtm:REFCOUNT_ADD_OVERFLOW.sh lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_DEC_ZERO.sh lkdtm:REFCOUNT_DEC_NEGATIVE.sh lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_INC_ZERO.sh lkdtm:REFCOUNT_ADD_ZERO.sh lkdtm:REFCOUNT_INC_SATURATED.sh lkdtm:REFCOUNT_DEC_SATURATED.sh lkdtm:REFCOUNT_ADD_SATURATED.sh lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_TIMING.sh lkdtm:ATOMIC_TIMING.sh lkdtm:USERCOPY_HEAP_SIZE_TO.sh lkdtm:USERCOPY_HEAP_SIZE_FROM.sh lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh lkdtm:USERCOPY_STACK_FRAME_TO.sh lkdtm:USERCOPY_STACK_FRAME_FROM.sh lkdtm:USERCOPY_STACK_BEYOND.sh lkdtm:USERCOPY_KERNEL.sh lkdtm:STACKLEAK_ERASING.sh lkdtm:CFI_FORWARD_PROTO.sh ===========End Tests to run =============== shardfile-lkdtm pass <12>[ 32.227846] kselftest: Running tests in lkdtm TAP version 13 1..70 # selftests: lkdtm: PANIC.sh # Skipping PANIC: crashes entire system ok 1 selftests: lkdtm: PANIC.sh # SKIP # selftests: lkdtm: BUG.sh <6>[ 32.715833] lkdtm: Performing direct entry BUG <4>[ 32.721175] ------------[ cut here ]------------ <2>[ 32.726632] kernel BUG at drivers/misc/lkdtm/bugs.c:76! <4>[ 32.732784] invalid opcode: 0000 [#1] SMP PTI <4>[ 32.737946] CPU: 1 PID: 639 Comm: cat Tainted: G W 5.10.206-cip41 #1 <4>[ 32.746790] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 32.753877] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 32.758552] Code: 89 ff e8 5e d4 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 f0 7d 0b 03 <4>[ 32.779823] RSP: 0018:ffff98cb012dfe60 EFLAGS: 00010286 <4>[ 32.785940] RAX: ffffffff94d7bf00 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 32.794199] RDX: 0000000000000000 RSI: ffff9237bac9bf50 RDI: ffffffff95ef84b0 <4>[ 32.802459] RBP: ffffffff963e8e88 R08: 0000000000000001 R09: 0000000000000001 <4>[ 32.810720] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 32.818971] R13: ffff98cb012dff10 R14: ffff98cb012dff10 R15: ffff923742bf6000 <4>[ 32.827231] FS: 00007f0b3e7d7580(0000) GS:ffff9237bac80000(0000) knlGS:0000000000000000 <4>[ 32.836560] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 32.843266] CR2: 00007f0b3e5e1000 CR3: 0000000102d4c003 CR4: 00000000003706e0 <4>[ 32.851525] Call Trace: <4>[ 32.854547] ? __die_body.cold+0x1a/0x1f <4>[ 32.859213] ? die+0x2b/0x50 <4>[ 32.862716] ? do_trap+0x91/0x110 <4>[ 32.866704] ? lkdtm_BUG+0x5/0x10 <4>[ 32.870698] ? do_error_trap+0x90/0x110 <4>[ 32.875268] ? lkdtm_BUG+0x5/0x10 <4>[ 32.879256] ? lkdtm_BUG+0x5/0x10 <4>[ 32.883247] ? exc_invalid_op+0x4e/0x70 <4>[ 32.887819] ? lkdtm_BUG+0x5/0x10 <4>[ 32.891808] ? asm_exc_invalid_op+0x12/0x20 <4>[ 32.896770] ? direct_entry+0xe0/0xe0 <4>[ 32.901148] ? lkdtm_BUG+0x5/0x10 <4>[ 32.905139] direct_entry.cold+0x2c/0x38 <4>[ 32.909809] full_proxy_write+0x53/0x80 <4>[ 32.914389] vfs_write+0xe7/0x3b0 <4>[ 32.918376] ksys_write+0x68/0xf0 <4>[ 32.922367] do_syscall_64+0x30/0x40 <4>[ 32.926649] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 32.932580] RIP: 0033:0x7f0b3e6ed473 <4>[ 32.936851] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 32.958122] RSP: 002b:00007ffc107c6708 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 32.966868] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f0b3e6ed473 <4>[ 32.975128] RDX: 0000000000000004 RSI: 00007f0b3e5e1000 RDI: 0000000000000001 <4>[ 32.983379] RBP: 00007f0b3e5e1000 R08: 00007f0b3e5e0010 R09: 0000000000000000 <4>[ 32.991657] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 32.999917] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 33.008182] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc snd_soc_da7219 videobuf2_memops videobuf2_v4l2 cros_ec_chardev cros_usbpd_charger cros_usbpd_logger cros_ec_lightbar cros_ec_sysfs snd_soc_core cros_ec_sensorhub cros_ec_debugfs snd_compress 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>[ 33.062865] gsmi: Log Shutdown Reason 0x03 <4>[ 33.067742] ---[ end trace 10d994e9f30da968 ]--- <4>[ 33.073222] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 33.077899] Code: 89 ff e8 5e d4 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 f0 7d 0b 03 <4>[ 33.099183] RSP: 0018:ffff98cb012dfe60 EFLAGS: 00010286 <4>[ 33.105317] RAX: ffffffff94d7bf00 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 33.113586] RDX: 0000000000000000 RSI: ffff9237bac9bf50 RDI: ffffffff95ef84b0 <4>[ 33.121880] RBP: ffffffff963e8e88 R08: 0000000000000001 R09: 0000000000000001 <4>[ 33.130173] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 33.138439] R13: ffff98cb012dff10 R14: ffff98cb012dff10 R15: ffff923742bf6000 <4>[ 33.146732] FS: 00007f0b3e7d7580(0000) GS:ffff9237bac80000(0000) knlGS:0000000000000000 <4>[ 33.156091] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 33.162802] CR2: 00007f0b3e5e1000 CR3: 0000000102d4c003 CR4: 00000000003706e0 # Segmentation fault # [ 32.715833] lkdtm: Performing direct entry BUG # [ 32.721175] ------------[ cut here ]------------ # [ 32.726632] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 32.732784] invalid opcode: 0000 [#1] SMP PTI # [ 32.737946] CPU: 1 PID: 639 Comm: cat Tainted: G W 5.10.206-cip41 #1 # [ 32.746790] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 32.753877] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 32.758552] Code: 89 ff e8 5e d4 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 f0 7d 0b 03 # [ 32.779823] RSP: 0018:ffff98cb012dfe60 EFLAGS: 00010286 # [ 32.785940] RAX: ffffffff94d7bf00 RBX: 0000000000000001 RCX: 0000000000000000 # [ 32.794199] RDX: 0000000000000000 RSI: ffff9237bac9bf50 RDI: ffffffff95ef<6>[ 33.270050] lkdtm: Performing direct entry WARNING <4>[ 33.281556] ------------[ cut here ]------------ <4>[ 33.287017] WARNING: CPU: 2 PID: 677 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 84b0 # [ 32.802459] RBP: ffffffff963e8e88 R08: 00000000000000<4>[ 33.296742] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc snd_soc_da7219 videobuf2_memops videobuf2_v4l2 cros_ec_chardev cros_usbpd_charger cros_usbpd_logger cros_ec_lightbar cros_ec_sysfs snd_soc_core cros_ec_sensorhub cros_ec_debugfs snd_compress 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>[ 33.355735] CPU: 2 PID: 677 Comm: cat Tainted: G D W 5.10.206-cip41 #1 01 R09: 0000000000000001 # [ 32.810720] R10: 00000000ffffe000<4>[ 33.364585] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 33.377900] RIP: 0010:lkdtm_WARNING+0x13/0x20 <4>[ 33.383088] 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 f0 7d 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 d1 7d <4>[ 33.404362] RSP: 0018:ffff98cb01437e60 EFLAGS: 00010202 <4>[ 33.410489] RAX: ffffffff94d7bf10 RBX: 0000000000000002 RCX: 0000000000000000 <4>[ 33.418758] RDX: 0000000000000000 RSI: ffff9237bad1bf50 RDI: ffffffff95ef84c0 R11: 3fffffffffffffff R12: 0000000000000004 # [ 32.818971] R<4>[ 33.427049] RBP: ffffffff96382aff R08: 0000000000000000 R09: 0000000000000000 <4>[ 33.441518] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 <4>[ 33.449780] R13: ffff98cb01437f10 R14: ffff98cb01437f10 R15: ffff923742d4d000 <4>[ 33.458043] FS: 00007f331f681580(0000) GS:ffff9237bad00000(0000) knlGS:0000000000000000 <4>[ 33.467372] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 33.474081] CR2: 00007f331f48b000 CR3: 0000000102bf2002 CR4: 00000000003706e0 <4>[ 33.482343] Call Trace: <4>[ 33.485366] ? __warn+0x80/0x110 <4>[ 33.489289] ? lkdtm_WARNING+0x13/0x20 <4>[ 33.493767] ? report_bug+0x9e/0xc0 <4>[ 33.497953] ? handle_bug+0x41/0x90 <4>[ 33.502162] ? exc_invalid_op+0x14/0x70 <4>[ 33.506734] ? asm_exc_invalid_op+0x12/0x20 <4>[ 33.511702] ? lkdtm_BUG+0x10/0x10 <4>[ 33.515789] ? lkdtm_WARNING+0x13/0x20 <4>[ 33.520266] direct_entry.cold+0x2c/0x38 <4>[ 33.524940] full_proxy_write+0x53/0x80 <4>[ 33.529537] vfs_write+0xe7/0x3b0 <4>[ 33.533552] ksys_write+0x68/0xf0 <4>[ 33.537544] do_syscall_64+0x30/0x40 <4>[ 33.541849] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 33.547783] RIP: 0033:0x7f331f597473 <4>[ 33.552064] 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>[ 33.573338] RSP: 002b:00007ffedc6aa248 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 33.582085] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f331f597473 <4>[ 33.590337] RDX: 0000000000000008 RSI: 00007f331f48b000 RDI: 0000000000000001 <4>[ 33.598599] RBP: 00007f331f48b000 R08: 00007f331f48a010 R09: 0000000000000000 <4>[ 33.606860] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 33.615112] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 33.623369] irq event stamp: 0 13: ffff98cb012dff10 R14: ffff98cb012dff10 R15: ffff923742bf6000<4>[ 33.627094] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 32.827231] FS: 00007f0b3e7d7580(0000) GS:ffff9237bac800<4>[ 33.640602] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 33.656247] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 33.665689] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 33.673013] ---[ end trace 10d994e9f30da969 ]--- 00(0000) knlGS:0000000000000000 # [ 32.836560] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 32.843266] CR2: 00007f0b3e5e1000 CR3: 0000000102d4c003 CR4: 00000000003706e0 # [ 32.851525] Call Trace: # [ 32.854547] ? __die_body.cold+0x1a/0x1f # [ 32.859213] ? die+0x2b/0x50 # [ 32.862716] ? do_trap+0x91/0x110 # [ 32.866704] ? lkdtm_BUG+0x5/0x10 # [ 32.870698] ? do_error_trap+0x90/0x110 # [ 32.875268] ? lkdtm_BUG+0x5/0x10 # [ 32.879256] ? lkdtm_BUG+0x5/0x10 # [ 32.883247] ? exc_invalid_op+0x4e/0x70 # [ 32.887819] ? lkdtm_BUG+0x5/0x10 # [ 32.891808] ? asm_exc_invalid_op+0x12/0x20 # [ 32.896770] ? direct_entry+0xe0/0xe0 # [ 32.901148] ? lkdtm_BUG+0x5/0x10 # [ 32.905139] direct_entry.cold+0x2c/0x38 # [ 32.909809] full_proxy_write+0x53/0x80 # [ 32.914389]<6>[ 33.758565] lkdtm: Performing direct entry WARNING_MESSAGE <4>[ 33.765722] ------------[ cut here ]------------ <4>[ 33.771176] Warning message trigger count: 2 <4>[ 33.776254] WARNING: CPU: 2 PID: 713 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 vfs_write+0xe7/0x3b0 # [ 32.918376] ksys_write+0x68/0xf0 <4>[ 33.786758] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc snd_soc_da7219 videobuf2_memops videobuf2_v4l2 cros_ec_chardev cros_usbpd_charger cros_usbpd_logger cros_ec_lightbar cros_ec_sysfs snd_soc_core cros_ec_sensorhub cros_ec_debugfs snd_compress 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>[ 33.845757] CPU: 2 PID: 713 Comm: cat Tainted: G D W 5.10.206-cip41 #1 <4>[ 33.854649] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 33.861747] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 <4>[ 33.867680] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 d1 7d 0b 03 48 c7 c7 60 30 38 96 8d 70 01 89 35 c1 7d 0b 03 e8 9a b7 69 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 <4>[ 33.888980] RSP: 0018:ffff98cb014bfe60 EFLAGS: 00010286 <4>[ 33.895107] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 <4>[ 33.903369] RDX: ffff9237bad2c620 RSI: ffff9237bad1bf50 RDI: ffff9237bad1bf50 # [ 32.922367] do_syscall_64+0x30/0x40 # [ 32.926649] ent<4>[ 33.911628] RBP: ffffffff96382b07 R08: 0000000000000000 R09: 0000000000000000 <4>[ 33.926105] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 <4>[ 33.934394] R13: ffff98cb014bff10 R14: ffff98cb014bff10 R15: ffff923742e03000 <4>[ 33.942658] FS: 00007f4a10b2c580(0000) GS:ffff9237bad00000(0000) knlGS:0000000000000000 <4>[ 33.951990] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 33.958699] CR2: 00007f4a10936000 CR3: 0000000102bca004 CR4: 00000000003706e0 <4>[ 33.967029] Call Trace: ry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 32.932580] RIP: 003<4>[ 33.970066] ? __warn+0x80/0x110 <4>[ 33.980164] ? lkdtm_WARNING_MESSAGE+0x20/0x30 <4>[ 33.985420] ? report_bug+0x9e/0xc0 <4>[ 33.989609] ? handle_bug+0x41/0x90 <4>[ 33.993795] ? exc_invalid_op+0x14/0x70 <4>[ 33.998368] ? asm_exc_invalid_op+0x12/0x20 <4>[ 34.003334] ? lkdtm_WARNING_MESSAGE+0x20/0x30 <4>[ 34.008619] direct_entry.cold+0x2c/0x38 3:0x7f0b3e6ed473 # [ 32.936851] Code: 8b 15 21 2a 0e 00 f7 d8<4>[ 34.013319] full_proxy_write+0x53/0x80 <4>[ 34.024101] vfs_write+0xe7/0x3b0 <4>[ 34.028117] ksys_write+0x68/0xf0 <4>[ 34.032111] do_syscall_64+0x30/0x40 <4>[ 34.036392] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 34.042324] RIP: 0033:0x7f4a10a42473 <4>[ 34.046608] 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>[ 34.067886] RSP: 002b:00007ffd3a308618 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 34.076650] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f4a10a42473 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 <4>[ 34.084909] RDX: 0000000000000010 RSI: 00007f4a10936000 RDI: 0000000000000001 <4>[ 34.099383] RBP: 00007f4a10936000 R08: 00007f4a10935010 R09: 0000000000000000 <4>[ 34.107649] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55<4>[ 34.115917] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 34.130395] irq event stamp: 0 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 32.958122] RSP<4>[ 34.134120] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 34.147642] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 : 002b:00007ffc107c6708 EFLAGS: 00000246 ORIG_RAX: 0000000000000<4>[ 34.157082] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 34.172721] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 34.180012] ---[ end trace 10d994e9f30da96a ]--- 001 # [ 32.966868] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f0b3e6ed473 # [ 32.975128] RDX: 0000000000000004 RSI: 00007f0b3e5e1000 RDI: 0000000000000001 # [ 32.983379] RBP: 00007f0b3e5e1000 R08: 00007f0b3e5e0010 R09: 0000000000000000 # [ 32.991657] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 32.999917] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 33.008182] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc snd_soc_da7219 videobuf2_memops videobuf2_v4l2 cros_ec_chardev cros_usbpd_charger cros_usbpd_logger cros_ec_lightbar cros_ec_sysfs snd_soc_core cros_ec_sensorhub cros_ec_debugfs snd_compress 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 # [ 33.062865] gsmi: Log Shutdown Reason 0x03 # [ 33.067742] ---[ end trace 10d994e9f30da968 ]--- # [ 33.073222] <6>[ 34.290376] lkdtm: Performing direct entry EXCEPTION <1>[ 34.296965] BUG: kernel NULL pointer dereference, address: 0000000000000000 <1>[ 34.305038] #PF: supervisor write access in kernel mode <1>[ 34.311161] #PF: error_code(0x0002) - not-present page <6>[ 34.317187] PGD 0 P4D 0 <4>[ 34.320294] Oops: 0002 [#2] SMP PTI <4>[ 34.324469] CPU: 3 PID: 746 Comm: cat Tainted: G D W 5.10.206-cip41 #1 <4>[ 34.333312] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 34.340409] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 <4>[ 34.345662] Code: 48 c7 c7 60 30 38 96 8d 70 01 89 35 c1 7d 0b 03 e8 9a b7 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>[ 34.366936] RSP: 0018:ffff98cb01557e60 EFLAGS: 00010286 <4>[ 34.373060] RAX: ffffffff94d7bf60 RBX: 0000000000000004 RCX: 0000000000000000 <4>[ 34.381319] RDX: 0000000000000000 RSI: ffff9237bad9bf50 RDI: ffffffff95ef84e0 <4>[ 34.389578] RBP: ffffffff96276777 R08: 0000000000000000 R09: 0000000000000000 <4>[ 34.397838] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a <4>[ 34.406099] R13: ffff98cb01557f10 R14: ffff98cb01557f10 R15: ffff9237457c3000 <4>[ 34.414361] FS: 00007f1ab484a580(0000) GS:ffff9237bad80000(0000) knlGS:0000000000000000 <4>[ 34.423698] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 34.430403] CR2: 0000000000000000 CR3: 00000001065e4005 CR4: 00000000003706e0 <4>[ 34.438663] Call Trace: <4>[ 34.441699] ? __die_body.cold+0x1a/0x1f <4>[ 34.446367] ? no_context+0x177/0x380 <4>[ 34.450748] ? exc_page_fault+0x53/0x170 <4>[ 34.455417] ? asm_exc_page_fault+0x1e/0x30 <4>[ 34.460378] ? lkdtm_WARNING_MESSAGE+0x30/0x30 <4>[ 34.465647] ? lkdtm_EXCEPTION+0x5/0x20 <4>[ 34.470220] direct_entry.cold+0x2c/0x38 <4>[ 34.474889] full_proxy_write+0x53/0x80 <4>[ 34.479463] vfs_write+0xe7/0x3b0 <4>[ 34.483452] ksys_write+0x68/0xf0 <4>[ 34.487431] do_syscall_64+0x30/0x40 <4>[ 34.491710] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 34.497648] RIP: 0033:0x7f1ab4760473 <4>[ 34.501927] 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>[ 34.523202] RSP: 002b:00007fffc58dbac8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 34.531939] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f1ab4760473 <4>[ 34.540199] RDX: 000000000000000a RSI: 00007f1ab4654000 RDI: 0000000000000001 <4>[ 34.548460] RBP: 00007f1ab4654000 R08: 00007f1ab4653010 R09: 0000000000000000 <4>[ 34.556720] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 34.564979] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 33.077899] Code: 89 ff e8 5e<4>[ 34.573243] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc snd_soc_da7219 videobuf2_memops videobuf2_v4l2 cros_ec_chardev cros_usbpd_charger cros_usbpd_logger cros_ec_lightbar cros_ec_sysfs snd_soc_core cros_ec_sensorhub cros_ec_debugfs snd_compress 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>[ 34.632233] CR2: 0000000000000000 <4>[ 34.636220] ---[ end trace 10d994e9f30da96b ]--- <4>[ 34.641665] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 34.646323] Code: 89 ff e8 5e d4 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 f0 7d 0b 03 <4>[ 34.667596] RSP: 0018:ffff98cb012dfe60 EFLAGS: 00010286 <4>[ 34.673734] RAX: ffffffff94d7bf00 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 34.681992] RDX: 0000000000000000 RSI: ffff9237bac9bf50 RDI: ffffffff95ef84b0 <4>[ 34.690252] RBP: ffffffff963e8e88 R08: 0000000000000001 R09: 0000000000000001 <4>[ 34.698513] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 34.706773] R13: ffff98cb012dff10 R14: ffff98cb012dff10 R15: ffff923742bf6000 <4>[ 34.715034] FS: 00007f1ab484a580(0000) GS:ffff9237bad80000(0000) knlGS:0000000000000000 <4>[ 34.724361] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 34.731066] CR2: 0000000000000000 CR3: 00000001065e4005 CR4: 00000000003706e0 <3>[ 34.739329] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 34.749522] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 746, name: cat <4>[ 34.758170] INFO: lockdep is turned off. <4>[ 34.762837] irq event stamp: 0 <4>[ 34.766533] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 34.773824] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 34.783243] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 34.792661] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 34.799951] CPU: 3 PID: 746 Comm: cat Tainted: G D W 5.10.206-cip41 #1 <4>[ 34.808792] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 34.815887] Call Trace: <4>[ 34.818905] dump_stack+0x77/0x9b <4>[ 34.822897] ___might_sleep.cold+0xa6/0xb6 <4>[ 34.827762] exit_signals+0x1c/0x300 <4>[ 34.832043] do_exit+0xc2/0xab0 <4>[ 34.835838] ? ksys_write+0x68/0xf0 <4>[ 34.840021] make_task_dead+0x2f/0x30 <4>[ 34.844399] rewind_stack_and_make_dead+0x17/0x20 <4>[ 34.849939] RIP: 0033:0x7f1ab4760473 <4>[ 34.854218] 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>[ 34.875489] RSP: 002b:00007fffc58dbac8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 34.884236] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f1ab4760473 <4>[ 34.892497] RDX: 000000000000000a RSI: 00007f1ab4654000 RDI: 0000000000000001 <4>[ 34.900757] RBP: 00007f1ab4654000 R08: 00007f1ab4653010 R09: 0000000000000000 <4>[ 34.909017] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 34.917276] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 d4 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 f0 7d 0b 03 # [ 33.099183] RSP: 0018:ffff98cb012dfe60 EFLAGS: 00010286 # [ 33.105317] RAX: ffffffff94d7bf00 RBX: 0000000000000001 RCX: 0000000000000000 # [ 33.113586] RDX: 0000000000000000 RSI: ffff9237bac9bf50 RDI: ffffffff95ef84b0 # [ 33.121880] RBP: ffffffff963e8e88 R08: 0000000000000001 R09: 0000000000000001 # [ 33.130173] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 33.138439] R13: ffff98cb012dff10 R14: ffff98cb012dff10 R15: ffff923742bf6000 # [ 33.146732] FS: 00007f0b3e7d7580(0000) GS:ffff9237bac80000(0000) knlGS:0000000000000000 # [ 33.156091] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 33.162802] CR2: 00007f0b3e5e1000 CR3: 0000000102d4c003 CR4: 00000000003706e0 # BUG: saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh # [ 33.270050] lkdtm: Performing direct entry WARNING # [ 33.281556] ------------[ cut here ]------------ # [ 33.287017] WARNING: CPU: 2 PID: 677 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 # [ 33.296742] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc snd_soc_da7219 videobuf2_memops videobuf2_v4l2 cros_ec_chardev cros_usbpd_charger cros_usbpd_logger cros_ec_lightbar cros_ec_sysfs snd_soc_core cros_ec_sensorhub cros_ec_debugfs snd_compress 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 # [ 33.355735] CPU: 2 PID: 677 Comm: cat Tainted: G D W 5.10.206-cip41 #1 # [ 33.364585] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 33.377900] RIP: 0010:lkdtm_WARNING+0x13/0x20 # [ 33.383088] 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 f0 7d 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 d1 7d # [ 33.404362] RSP: 0018:ffff98cb01437e60 EFLAGS: 00010202 # [ 33.410489] RAX: ffffffff94d7bf10 RBX: 0000000000000002 RCX: 0000000000000000 # [ 33.418758] RDX: 0000000000000000 RSI: ffff9237bad1bf50 RDI: ffffffff95ef84c0 # [ 33.427049] RBP: ffffffff96382aff R08: 0000000000000000 R09: 0000000000000000 # [ 33.441518] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 # [ 33.449780] R13: ffff98cb01437f10 R14: ffff98cb01437f10 R15: ffff923742d4d000 # [ 33.458043] FS: 00007f331f681580(0000) GS:ffff9237bad00000(0000) knlGS:0000000000000000 # [ 33.467372] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 33.474081] CR2: 00007f331f48b000 CR3: 0000000102bf2002 CR4: 00000000003706e0 # [ 33.482343] Call Trace: # [ 33.485366] ? __warn+0x80/0x110 # [ 33.489289] ? lkdtm_WARNING+0x13/0x20 # [ 33.493767] ? report_bug+0x9e/<6>[ 35.219002] lkdtm: Performing direct entry CORRUPT_LIST_ADD 0xc0 # [ 33.497953] ? handle_bug+0x41/0x90 # [ 33.502162]<6>[ 35.230462] lkdtm: attempting good list addition ? exc_invalid_op+0x14/0x70 # [ 33.506734] ? asm_exc_invali<6>[ 35.242122] lkdtm: attempting corrupted list addition d_op+0x12/0x20 # [ 33.511702] ? lkdtm_BUG+0x10/0x10 # [ 3<3>[ 35.254274] lkdtm: list_add() corruption not detected! 3.515789] ? lkdtm_WARNING+0x13/0x20 # [ 33.520266] direct_entry.cold+0x2c/0x38 # [ 33.524940] full_proxy_write+0x53/0x80 # [ 33.529537] vfs_write+0xe7/0x3b0 # [ 33.533552] ksys_write+0x68/0xf0 # [ 33.537544] do_syscall_64+0x30/0x40 # [ 33.541849] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 33.547783] RIP: 0033:0x7f331f597473 # [ 33.552064] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 33.573338] RSP: 002b:00007ffedc6aa248 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 33.582085] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f331f597473 # [ 33.590337] RDX: 0000000000000008 RSI: 00007f331f48b000 RDI: 0000000000000001 # [ 33.598599] RBP: 00007f331f48b000 R08: 00007f331f48a010 R09: 0000000000000000 # [ 33.606860] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 33.615112] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 33.623369] irq event stamp: 0 # [ 33.627094] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 33.640602] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 33.656247] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 33.665689] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 33.673013] ---[ end trace 10d994e9f30da969 ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ 33.758565] lkdtm: Performing direct entry WARNING_MESSAGE # [ 33.765722] ------------[ cut here ]<6>[ 35.428043] lkdtm: Performing direct entry CORRUPT_LIST_DEL ------------ # [ 33.771176] Warning message trigger count: 2 <6>[ 35.440857] lkdtm: attempting good list removal # [ 33.776254] WARNING: CPU: 2 PID: 713 at drivers/misc/lkdtm<6>[ 35.452426] lkdtm: attempting corrupted list removal /bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 33.786758] Mod<3>[ 35.464495] lkdtm: list_del() corruption not detected! ules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc snd_soc_da7219 videobuf2_memops videobuf2_v4l2 cros_ec_chardev cros_usbpd_charger cros_usbpd_logger cros_ec_lightbar cros_ec_sysfs snd_soc_core cros_ec_sensorhub cros_ec_debugfs snd_compress 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 # [ 33.845757] CPU: 2 PID: 713 Comm: cat Tainted: G D W 5.10.206-cip41 #1 # [ 33.854649] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 33.861747] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 33.867680] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 d1 7d 0b 03 48<6>[ 35.555668] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING <6>[ 35.564799] lkdtm: attempting bad read from page below current stack <0>[ 35.572193] BUG: stack guard page was hit at 00000000e7c110ec (stack is 00000000a285fa48..000000000306f4bd) <4>[ 35.583374] kernel stack overflow (page fault): 0000 [#3] SMP PTI c7 c7 60 30 38 96 8d 70 01 89 35 c1 7d 0b 03 e8 9a b7 69 00 <0f<4>[ 35.590473] CPU: 2 PID: 978 Comm: cat Tainted: G D W 5.10.206-cip41 #1 <4>[ 35.605531] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 35.612651] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a <4>[ 35.619456] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 00 34 38 96 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 ea de fb ff 48 c7 c7 40 34 38 96 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 d0 de fb ff 0f 1f 44 <4>[ 35.640733] RSP: 0018:ffff98cb0188fe50 EFLAGS: 00010246 <4>[ 35.646857] RAX: 0000000000000038 RBX: ffff98cb0188c000 RCX: 0000000000000000 <4>[ 35.655118] RDX: 0000000000000000 RSI: ffff9237bad1bf50 RDI: ffffffff96383440 <4>[ 35.663379] RBP: ffffffff96382b6a R08: 0000000000000000 R09: 0000000000000000 <4>[ 35.671647] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 <4>[ 35.679909] R13: ffff98cb0188ff10 R14: ffff98cb0188ff10 R15: ffff923743219000 <4>[ 35.688171] FS: 00007fd4e1d94580(0000) GS:ffff9237bad00000(0000) knlGS:0000000000000000 <4>[ 35.697499] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 35.704204] CR2: ffff98cb0188bfff CR3: 0000000102b64005 CR4: 00000000003706e0 <4>[ 35.712466] Call Trace: <4>[ 35.715484] <#DF> <4>[ 35.718017] ? __die_body.cold+0x1a/0x1f <4>[ 35.722699] ? die+0x2b/0x50 <4>[ 35.726233] ? handle_stack_overflow+0x3e/0x4d <4>[ 35.731484] ? no_context+0x24d/0x380 <4>[ 35.735858] > 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7<4>[ 35.738485] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc snd_soc_da7219 videobuf2_memops videobuf2_v4l2 cros_ec_chardev cros_usbpd_charger cros_usbpd_logger cros_ec_lightbar cros_ec_sysfs snd_soc_core cros_ec_sensorhub cros_ec_debugfs snd_compress 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>[ 35.797483] ---[ end trace 10d994e9f30da96c ]--- <4>[ 35.802921] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 35.807589] Code: 89 ff e8 5e d4 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 f0 7d 0b 03 <4>[ 35.828864] RSP: 0018:ffff98cb012dfe60 EFLAGS: 00010286 <4>[ 35.834989] RAX: ffffffff94d7bf00 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 35.843250] RDX: 0000000000000000 RSI: ffff9237bac9bf50 RDI: ffffffff95ef84b0 <4>[ 35.851511] RBP: ffffffff963e8e88 R08: 0000000000000001 R09: 0000000000000001 <4>[ 35.859771] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 35.868034] R13: ffff98cb012dff10 R14: ffff98cb012dff10 R15: ffff923742bf6000 <4>[ 35.876298] FS: 00007fd4e1d94580(0000) GS:ffff9237bad00000(0000) knlGS:0000000000000000 <4>[ 35.885648] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 35.892355] CR2: ffff98cb0188bfff CR3: 0000000102b64005 CR4: 00000000003706e0 <3>[ 35.900617] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 35.910846] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 978, name: cat <4>[ 35.919494] INFO: lockdep is turned off. <4>[ 35.924162] irq event stamp: 0 <4>[ 35.927860] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 35.935152] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 35.944578] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 35.954003] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 35.961295] CPU: 2 PID: 978 Comm: cat Tainted: G D W 5.10.206-cip41 #1 <4>[ 35.970136] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 35.977231] Call Trace: <4>[ 35.980249] dump_stack+0x77/0x9b <4>[ 35.984238] ___might_sleep.cold+0xa6/0xb6 <4>[ 35.989102] exit_signals+0x1c/0x300 <4>[ 35.993381] do_exit+0xc2/0xab0 <4>[ 35.997177] ? ksys_write+0x68/0xf0 <4>[ 36.001352] make_task_dead+0x2f/0x30 <4>[ 36.005730] rewind_stack_and_make_dead+0x17/0x20 <4>[ 36.011272] RIP: 0033:0x7fd4e1caa473 <4>[ 36.015551] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 36.036826] RSP: 002b:00007ffd75798d28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 36.045573] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fd4e1caa473 <4>[ 36.053833] RDX: 0000000000000019 RSI: 00007fd4e1b9e000 RDI: 0000000000000001 <4>[ 36.062094] RBP: 00007fd4e1b9e000 R08: 00007fd4e1b9d010 R09: 0000000000000000 <4>[ 36.070355] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 36.078617] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 33.888980] RSP: 0018:ffff98cb014bfe60 EFLAGS: 00010286 # [ 33.895107] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 # [ 33.903369] RDX: ffff9237bad2c620 RSI: ffff9237bad1bf50 RDI: ffff9237bad1bf50 # [ 33.911628] RBP: ffffffff96382b07 R08: 0000000000000000 R09: 0000000000000000 # [ 33.926105] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 # [ 33.934394] R13: ffff98cb014bff10 R14: ffff98cb014bff10 R15: ffff923742e03000 # [ 33.942658] FS: 00007f4a10b2c580(0000) GS:ffff9237bad00000(0000) knlGS:0000000000000000 # [ 33.951990] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 33.958699] CR2: 00007f4a10936000 CR3: 0000000102bca004 CR4: 00000000003706e0 # [ 33.967029] Call Trace: # [ 33.970066] ? __warn+0x80/0x110 # [ 33.980164] ? lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 33.985420] ? report_bug+0x9e/0xc0 # [ 33.989609] ? handle_bug+0x41/0x90 # [ 33.993795] ? exc<6>[ 36.174883] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING <6>[ 36.187580] lkdtm: attempting bad read from page above current stack <0>[ 36.194999] BUG: stack guard page was hit at 00000000c0847fdd (stack is 000000009d5ce52e..000000001ef97ced) <4>[ 36.206186] kernel stack overflow (page fault): 0000 [#4] SMP PTI _invalid_op+0x14/0x70 # [ 33.998368] ? asm_exc_invalid_op+0x<4>[ 36.213283] CPU: 3 PID: 1012 Comm: cat Tainted: G D W 5.10.206-cip41 #1 <4>[ 36.228436] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 36.235535] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d 12/0x20 # [ 34.003334] ? lkdtm_WARNING_MESSAGE+0x20/0x30 # <4>[ 36.242439] Code: de fb ff 0f 1f 44 00 00 53 48 c7 c7 78 34 38 96 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 b0 de fb ff 48 c7 c7 b8 34 38 96 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 93 de fb ff <4>[ 36.269929] RSP: 0018:ffff98cb0192fe50 EFLAGS: 00010246 <4>[ 36.276045] RAX: 0000000000000038 RBX: ffff98cb0192c000 RCX: 0000000000000000 <4>[ 36.284307] RDX: 0000000000000000 RSI: ffff9237bad9bf50 RDI: ffffffff963834b8 <4>[ 36.292567] RBP: ffffffff96382b83 R08: 0000000000000000 R09: 0000000000000000 <4>[ 36.300828] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a <4>[ 36.309087] R13: ffff98cb0192ff10 R14: ffff98cb0192ff10 R15: ffff92374317f000 <4>[ 36.317348] FS: 00007ff4d1eec580(0000) GS:ffff9237bad80000(0000) knlGS:0000000000000000 <4>[ 36.326668] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 36.333376] CR2: ffff98cb01930000 CR3: 0000000102b6c001 CR4: 00000000003706e0 <4>[ 36.341647] Call Trace: <4>[ 36.344664] <#DF> <4>[ 36.347198] ? __die_body.cold+0x1a/0x1f <4>[ 36.351867] ? die+0x2b/0x50 <4>[ 36.355362] ? handle_stack_overflow+0x3e/0x4d <4>[ 36.360615] ? no_context+0x24d/0x380 <4>[ 36.364990] [ 34.008619] direct_entry.cold+0x2c/0x38 # [ 34.013319] f<4>[ 36.367617] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc snd_soc_da7219 videobuf2_memops videobuf2_v4l2 cros_ec_chardev cros_usbpd_charger cros_usbpd_logger cros_ec_lightbar cros_ec_sysfs snd_soc_core cros_ec_sensorhub cros_ec_debugfs snd_compress 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>[ 36.426614] ---[ end trace 10d994e9f30da96d ]--- <4>[ 36.432060] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 36.436728] Code: 89 ff e8 5e d4 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 f0 7d 0b 03 <4>[ 36.458003] RSP: 0018:ffff98cb012dfe60 EFLAGS: 00010286 <4>[ 36.464120] RAX: ffffffff94d7bf00 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 36.472381] RDX: 0000000000000000 RSI: ffff9237bac9bf50 RDI: ffffffff95ef84b0 <4>[ 36.480646] RBP: ffffffff963e8e88 R08: 0000000000000001 R09: 0000000000000001 <4>[ 36.488907] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 36.497167] R13: ffff98cb012dff10 R14: ffff98cb012dff10 R15: ffff923742bf6000 <4>[ 36.505431] FS: 00007ff4d1eec580(0000) GS:ffff9237bad80000(0000) knlGS:0000000000000000 <4>[ 36.514762] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 36.521470] CR2: ffff98cb01930000 CR3: 0000000102b6c001 CR4: 00000000003706e0 ull_proxy_write+0x53/0x80 # [ 34.024101] vfs_write+0xe7/0x3b0 # [ 34.028117] ksys_write+0x68/0xf0 # [ 34.032111] do_syscall_64+0x30/0x40 # [ 34.036392] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 34.042324] RIP: 0033:0x7f4a10a42473 # [ 34.046608] 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 # [ 34.067886] RSP: 002b:00007ffd3a308618 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 34.076650] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f4a10a42473 # [ 34.084909] RDX: 0000000000000010 RSI: 00007f4a10936000 RDI: 0000000000000001 # [ 34.099383] RBP: 00007f4a10936000 R08: 00007f4a10935010 R09: 0000000000000000 # [ 34.107649] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 34.115917] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 34.130395] irq event stamp: 0 # [ 34.134120] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 34.147642] hardirqs last disabled at (0): [[ 36.641000] lkdtm: Performing direct entry UNSET_SMEP <6>[ 36.647582] lkdtm: trying to clear SMEP normally <4>[ 36.653038] ------------[ cut here ]------------ <4>[ 36.658491] pinned CR4 bits changed: 0x100000!? <4>[ 36.663866] WARNING: CPU: 2 PID: 1049 at arch/x86/kernel/cpu/common.c:397 native_write_cr4+0x45/0x60 fd6cc>] copy_process+0x65c/0x20e0 # [ 34.157082] softirqs las<4>[ 36.674373] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc snd_soc_da7219 videobuf2_memops videobuf2_v4l2 cros_ec_chardev cros_usbpd_charger cros_usbpd_logger cros_ec_lightbar cros_ec_sysfs snd_soc_core cros_ec_sensorhub cros_ec_debugfs snd_compress 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>[ 36.733332] CPU: 2 PID: 1049 Comm: cat Tainted: G D W 5.10.206-cip41 #1 <4>[ 36.742299] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 36.749401] RIP: 0010:native_write_cr4+0x45/0x60 <4>[ 36.754849] 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 18 08 28 96 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>[ 36.776129] RSP: 0018:ffff98cb019dfe48 EFLAGS: 00010286 <4>[ 36.782258] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 0000000000000000 <4>[ 36.790523] RDX: ffff9237bad2c620 RSI: ffff9237bad1bf50 RDI: ffff9237bad1bf50 <4>[ 36.798789] RBP: ffffffff96382b9d R08: 0000000000000000 R09: 0000000000000000 <4>[ 36.807054] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b <4>[ 36.815317] R13: ffff98cb019dff10 R14: ffff98cb019dff10 R15: ffff9237430c0000 <4>[ 36.823582] FS: 00007f8e9428c580(0000) GS:ffff9237bad00000(0000) knlGS:0000000000000000 <4>[ 36.832914] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 36.839649] CR2: 00007f8e94096000 CR3: 0000000102fc8002 CR4: 00000000003706e0 t enabled at (0): [] copy_process+0x65c/0x20e<4>[ 36.847914] Call Trace: <4>[ 36.857148] ? __warn+0x80/0x110 0 # [ 34.172721] softirqs last disabled at (0): [<00000000000<4>[ 36.861069] ? native_write_cr4+0x45/0x60 <4>[ 36.872051] ? report_bug+0x9e/0xc0 <4>[ 36.876263] ? handle_bug+0x41/0x90 <4>[ 36.880473] ? exc_invalid_op+0x14/0x70 <4>[ 36.885048] ? asm_exc_invalid_op+0x12/0x20 <4>[ 36.890012] ? native_write_cr4+0x45/0x60 <4>[ 36.894811] ? native_write_cr4+0x45/0x60 <4>[ 36.899581] lkdtm_UNSET_SMEP.cold+0x1d/0x103 <4>[ 36.904740] direct_entry.cold+0x2c/0x38 00000>] 0x0 # [ 34.180012] ---[ end trace 10d994e9f30da96a ]-<4>[ 36.909417] full_proxy_write+0x53/0x80 -- # WARNING_MESSAGE: saw 'message trigger': ok ok 4 selftests<4>[ 36.920206] vfs_write+0xe7/0x3b0 : lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCEPTION.sh #<4>[ 36.930412] ksys_write+0x68/0xf0 <4>[ 36.940638] do_syscall_64+0x30/0x40 Killed # [ 34.290376] lkdtm: Performing direct entry EXCEPTI<4>[ 36.944931] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 36.957073] RIP: 0033:0x7f8e941a2473 <4>[ 36.961355] 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 ON # [ 34.296965] BUG: kernel NULL pointer dereference, addre<4>[ 36.982656] RSP: 002b:00007ffdffa48718 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 36.997636] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f8e941a2473 <4>[ 37.005898] RDX: 000000000000000b RSI: 00007f8e94096000 RDI: 0000000000000001 <4>[ 37.014160] RBP: 00007f8e94096000 R08: 00007f8e94095010 R09: 0000000000000000 <4>[ 37.022414] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 37.030691] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 37.038991] irq event stamp: 0 ss: 0000000000000000 # [ 34.305038] #PF: supervisor write acc<4>[ 37.042716] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 37.056219] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 37.065652] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 ess in kernel mode # [ 34.311161] #PF: error_code(0x0002) - n<4>[ 37.075084] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 37.088588] ---[ end trace 10d994e9f30da96e ]--- <6>[ 37.094034] lkdtm: ok: SMEP did not get cleared <6>[ 37.099385] lkdtm: trying to clear SMEP with call gadget <6>[ 37.105613] lkdtm: ok: SMEP removal was reverted ot-present page # [ 34.317187] PGD 0 P4D 0 # [ 34.320294] Oops: 0002 [#2] SMP PTI # [ 34.324469] CPU: 3 PID: 746 Comm: cat Tainted: G D W 5.10.206-cip41 #1 # [ 34.333312] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 34.340409] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 # [ 34.345662] Code: 48 c7 c7 60 30 38 96 8d 70 01 89 35 c1 7d 0b 03 e8 9a b7 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 # [ 34.366936] RSP: 0018:ffff98cb01557e60 EFLAGS: 00010286 # [ 34.373060] RAX: ffffffff94d7bf60 RBX: 0000000000000004 RCX: 0000000000000000 # [ 34.381319] RDX: 0000000000000000 RSI: ffff9237bad9bf50 RDI: ffffffff95ef84e0 # [ 34.389578] RBP: ffffffff96276777 R08: 0000000000000000 R09: 0000000000000000 # [ 34.397838] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 34.406099] R13: ffff98cb01557f10 R14: ffff98cb01557f10 R15: ffff9237457c3000 # [ 34.414361] FS: 00007f1ab484a580(0000) GS:ffff9237bad80000(0000) knlGS:0000000000000000 # [ 34.423698] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 34.430403] CR2: 0000000000000000 CR3: 0000<6>[ 37.225043] lkdtm: Performing direct entry DOUBLE_FAULT <3>[ 37.235306] lkdtm: XFAIL: this test is ia32-only 0001065e4005 CR4: 00000000003706e0 # [ 34.438663] Call Trace: # [ 34.441699] ? __die_body.cold+0x1a/0x1f # [ 34.446367] ? no_context+0x177/0x380 # [ 34.450748] ? exc_page_fault+0x53/0x170 # [ 34.455417] ? asm_exc_page_fault+0x1e/0x30 # [ 34.460378] ? lkdtm_WARNING_MESSAGE+0x30/0x30 # [ 34.465647] ? lkdtm_EXCEPTION+0x5/0x20 # [ 34.470220] direct_entry.cold+0x2c/0x38 # [ 34.474889] full_proxy_write+0x53/0x80 # [ 34.479463] vfs_write+0xe7/0x3b0 # [ 34.483452] ksys_write+0x68/0xf0 # [ 34.487431] do_syscall_64+0x30/0x40 # [ 34.491710] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 34.497648] RIP: 0033:0x7f1ab4760473 # [ 34.501927] 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 # [ 34.523202] RSP: 002b:00007fffc58dbac8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 34.531939] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f1ab4760473 # [ 34.540199] RDX: 000000000000000a RSI: 00007f1ab4654000 RDI: 0000000000000001 # [ 34.548460] RBP: 00007f1ab4654000 R08: 00007f1ab4653010 R09: 0000000000000000 # [ 34.556720] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 34.564979] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 34.573243] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc snd_soc_da7219 videobuf2_memops videobuf2_v4l2 cros_ec_chardev cros_usbpd_charger cros_usbpd_logger cros_ec_lightbar cros_ec_sysfs snd_soc_core<6>[ 37.402664] lkdtm: Performing direct entry CORRUPT_PAC <3>[ 37.414652] lkdtm: XFAIL: this test is arm64-only cros_ec_sensorhub cros_ec_debugfs snd_compress 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 # [ 34.632233] CR2: 0000000000000000 # [ 34.636220] ---[ end trace 10d994e9f30da96b ]--- # [ 34.641665] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 34.646323] Code: 89 ff e8 5e d4 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 f0 7d 0b 03 # [ 34.667596] RSP: 0018:ffff98cb012dfe60 EFLAGS: 00010286 # [ 34.673734] RAX: ffffffff94d7bf00 RBX: 0000000000000001 RCX: 0000000000000000 # [ 34.681992] RDX: 0000000000000000 RSI: ffff9237bac9bf50 RDI: ffffffff95ef84b0 # [ 34.690252] RBP: ffffffff963e8e88 R08: 0000000000000001 R09: 0000000000000001 # [ 34.698513] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 34.706773] R13: ffff98cb012dff10 R14: ffff98cb012dff10 R15: ffff923742bf6000 # [ 34.715034] FS: 00007f1ab484a580(0000) GS:ffff9237bad80000(0000) knlGS:0000000000000000 # [ 34.724361] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 34.731066] CR2: 0000000000000000 CR3: 00000001065e4005 CR4: 00000000003706e0 # [ 34.739329] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 34.749522] in_atomic(): 0, irqs_disabled(): 1, non_block: 0,<6>[ 37.561842] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE <3>[ 37.570666] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS pid: 746, name: cat # [ 34.758170] INFO: lockdep is turned off. # [ 34.762837] irq event stamp: 0 # [ 34.766533] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 34.773824] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 34.783243] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 34.792661] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 34.799951] CPU: 3 PID: 746 Comm: cat Tainted: G D W 5.10.206-cip41 #1 # [ 34.808792] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 34.815887] Call Trace: # [ 34.818905] dump_stack+0x77/0x9b # [ 34.822897] ___might_sleep.cold+0xa6/0xb6 # [ 34.827762] exit_signals+0x1c/0x300 # [ 34.832043] do_exit+0xc2/0xab0 # [ 34.835838] ? ksys_write+0x68/0xf0 # [ 34.840021] make_task_dead+0x2f/0x30 # [ 34.844399] rewind_stack_and_make_dead+0x17/0x20 # [ 34.849939] RIP: 0033:0x7f1ab4760473 # [ 34.854218] 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 # [ 34.875489] RSP: 002b:00007fffc58dbac8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 34.884236] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f1ab4760473 # [ 34.892497] RDX: 000000000000000a RSI: 00007f1ab4654000 RDI: 0000000000000001 # [ 34.900757] RBP: 00007f1ab4654000 R08: 00007f1ab4653010 R09: 0000000000000000 # [ 34.909017] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 34.917276] 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 # <6>[ 37.784134] lkdtm: Performing direct entry READ_AFTER_FREE <6>[ 37.796326] lkdtm: Value in memory before free: 12345678 <6>[ 37.802563] lkdtm: Attempting bad read from freed memory <6>[ 37.808793] lkdtm: Memory was not poisoned SKIP # selftests: lkdtm: CORRUPT_STACK_STRONG.sh # Skipping CORRUPT_STACK_STRONG: Crashes entire system on success ok 9 selftests: lkdtm: CORRUPT_STACK_STRONG.sh # SKIP # selftests: lkdtm: CORRUPT_LIST_ADD.sh # [ 35.219002] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 35.230462] lkdtm: attempting good list addition # [ 35.242122] lkdtm: attempting corrupted list addition # [ 35.254274] lkdtm: list_add() corruption not detected! # CORRUPT_LIST_ADD: missing 'list_add corruption': [FAIL] not ok 10 selftests: lkdtm: CORRUPT_LIST_ADD.sh # exit=1 # selftests: lkdtm: CORRUPT_LIST_DEL.sh # [ 35.428043] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 35.440857] lkdtm: attempting good list removal # [ 35.452426] lkdtm: attempting corrupted list removal # [ 35.464495] lkdtm: list_del() corruption not detected! # CORRUPT_LIST_DEL: missing 'list_del corruption': [FAIL] not ok 11 selftests: lkdtm: CORRUPT_LIST_DEL.sh # exit=1 # selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh # Segmentation fault # [ 35.555668] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 35.564799] lkdtm: attempting bad read from page below current stack # [ 35.572193] BUG: stack guard page was hit at 00000000e7c110ec (stack is 00000000a285fa48..000000000306f4bd) # [ 35.583374] kernel stack overflow (page fault): 0000 [#3] SMP PTI # [ 35.590473] CPU: 2 PID: 978 Comm: cat Tainted: G D W 5.10.206-cip41 #1 # [ 35.605531] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 35.612651] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a # [ 35.619456] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 00 34 38 96 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 ea d<6>[ 37.978671] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE e fb ff 48 c7 c7 40 34 38 96 <8a> 43 ff 88 44 24 07 0f b6 74 24 <6>[ 37.988510] lkdtm: Value in memory before free: 12345678 07 5a 5b e9 d0 de fb ff 0f 1f 44 # [ 35.640733] RSP: 0018:fff<6>[ 38.000949] lkdtm: Attempting to read from freed memory f98cb0188fe50 EFLAGS: 00010246 # [ 35.646857] RAX: 0000000000<6>[ 38.013281] lkdtm: Buddy page was not poisoned 000038 RBX: ffff98cb0188c000 RCX: 0000000000000000 # [ 35.655118] RDX: 0000000000000000 RSI: ffff9237bad1bf50 RDI: ffffffff96383440 # [ 35.663379] RBP: ffffffff96382b6a R08: 0000000000000000 R09: 0000000000000000 # [ 35.671647] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 # [ 35.679909] R13: ffff98cb0188ff10 R14: ffff98cb0188ff10 R15: ffff923743219000 # [ 35.688171] FS: 00007fd4e1d94580(0000) GS:ffff9237bad00000(0000) knlGS:0000000000000000 # [ 35.697499] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 35.704204] CR2: ffff98cb0188bfff CR3: 0000000102b64005 CR4: 00000000003706e0 # [ 35.712466] Call Trace: # [ 35.715484] <#DF> # [ 35.718017] ? __die_body.cold+0x1a/0x1f # [ 35.722699] ? die+0x2b/0x50 # [ 35.726233] ? handle_stack_overflow+0x3e/0x4d # [ 35.731484] ? no_context+0x24d/0x380 # [ 35.735858] # [ 35.738485] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc snd_soc_da7219 videobuf2_memops videobuf2_v4l2 cros_ec_chardev cros_usbpd_charger cros_usbpd_logger cros_ec_lightbar cros_ec_sysfs snd_soc_core cros_ec_sensorhub cros_ec_debugfs snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chr<6>[ 38.156551] lkdtm: Performing direct entry SLAB_FREE_DOUBLE omeos_pstore coreboot_table # [ 35.797483] ---[ end trace 10d<6>[ 38.168050] lkdtm: Attempting double slab free ... 994e9f30da96c ]--- # [ 35.802921] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 35.807589] Code: 89 ff e8 5e d4 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 f0 7d 0b 03 # [ 35.828864] RSP: 0018:ffff98cb012dfe60 EFLAGS: 00010286 # [ 35.834989] RAX: ffffffff94d7bf00 RBX: 0000000000000001 RCX: 0000000000000000 # [ 35.843250] RDX: 0000000000000000 RSI: ffff9237bac9bf50 RDI: ffffffff95ef84b0 # [ 35.851511] RBP: ffffffff963e8e88 R08: 0000000000000001 R09: 0000000000000001 # [ 35.859771] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 35.868034] R13: ffff98cb012dff10 R14: ffff98cb012dff10 R15: ffff923742bf6000 # [ 35.876298] FS: 00007fd4e1d94580(0000) GS:ffff9237bad00000(0000) knlGS:0000000000000000 # [ 35.885648] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 35.892355] CR2: ffff98cb0188bfff CR3: 0000000102b64005 CR4: 00000000003706e0 # [ 35.900617] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 35.910846] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 978, name: cat # [ 35.9<6>[ 38.291742] lkdtm: Performing direct entry SLAB_FREE_CROSS <6>[ 38.304405] lkdtm: Attempting cross-cache slab free ... 19494] INFO: lockdep is turned off. # [ 35.924162] irq event stamp: 0 # [ 35.927860] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 35.935152] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 35.944578] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 35.954003] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 35.961295] CPU: 2 PID: 978 Comm: cat Tainted: G D W 5.10.206-cip41 #1 # [ 35.970136] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 35.977231] Call Trace: # [ 35.980249] dump_stack+0x77/0x9b # [ 35.984238] ___might_sleep.cold+0xa6/0xb6 # [ 35.989102] exit_signals+0x1c/0x300 # [ 35.993381] do_exit+0xc2/0xab0 # [ 35.997177] ? ksys_write+0x68/0xf0 # [ 36.001352] make_task_dead+0x2f/0x30 # [ 36.005730] rewind_stack_and_make_dead+0x17/0x20 # [ 36.011272] RIP: 0033:0x7fd4e1caa473 # [ 36.015551] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 36.036826] RSP: 002b:00007ffd75798d28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 36.045573] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fd4e1caa473 # [ 36.053833] RDX: 0000000000000019 RSI: 00007fd4e1b9<6>[ 38.442033] lkdtm: Performing direct entry SLAB_FREE_PAGE e000 RDI: 0000000000000001 # [ 36.062094] RBP: 00007fd4e1b9e0<6>[ 38.453659] lkdtm: Attempting non-Slab slab free ... 00 R08: 00007fd4e1b9d010 R09: 0000000000000000 # [ 36.070355] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 36.078617] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # STACK_GUARD_PAGE_LEADING: saw 'call trace:': ok ok 12 selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh # selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # Segmentation fault # [ 36.174883] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 36.187580] lkdtm: attempting bad read from page above current stack # [ 36.194999] BUG: stack guard page was hit at 00000000c0847fdd (stack is 000000009d5ce52e..000000001ef97ced) # [ 36.206186] kernel stack overflow (page fault): 0000 [#4] SMP PTI # [ 36.213283] CPU: 3 PID: 1012 Comm: cat Tainted: G D W 5.10.206-cip41 #1 # [ 36.228436] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 36.235535] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d # [ 36.242439] Code: de fb ff 0f 1f 44 00 00 53 48 c7 c7 78 34 38 96 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 b0 de fb ff 48 c7 c7 b8 34 38 96 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 93 de fb ff # [ 36.269929] RSP: 0018:ffff98cb0192fe50 EFLAGS: 00010246 # [ 36.276045] RAX: 0000000000000038 RBX: ffff98cb0192c000 RCX: 0000000000000000 # [ 36.284307] RDX: 0000000000000000 RSI: ffff9237bad9bf50 RDI: ffffffff963834b8 # [ 36.292567] RBP: ffffffff96382b83 R08: 0000000000000000 R09: 0000000000000000 # [ 36.300828] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a # [ 36.309087] R13: ffff98cb0192ff10 R14: ffff98cb0192ff10 R15: ffff92374317f000 # [ 36.317348] FS: 00007ff4d1eec580(0000) GS:ffff9237bad80000(0000) knlGS:0000000000000000 # [ 36.326668] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 36.333376] CR2: ffff98cb01930000 CR3: 0000000102b6c001 CR4: 00000000003706e0 # [ 36.341647] Call Trace: # [ 36.344664] <#DF> # [ 36.347198] ? __die_body.cold+0x1a/0x1f # [ 36.351867] ? die+0x2b/0x50 # [ 36.355362] ? handle_stack_overflow+0x3e/0x4d # [ 36.360615] ? no_context+0x24d/0x380 # [ 36.364990] # [ 36.367617] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc snd_soc_da7219 videobuf2_memops videobuf2_v4l2 cros_ec_chardev cros_usbpd_charger cros_usbpd_logger cros_ec_lightbar cros_ec_sysfs snd_soc_core cros_ec_sensorhub cros_ec_debugfs snd_compress 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 # [ 36.426614] ---[ end trace 10d994e9f30da96d ]--- # [ 36.432060] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 36.436728] Code: 89 ff e8 5e d4 79 ff 48 c7 c0 ea ff ff ff eb <6>[ 38.744686] lkdtm: Performing direct entry EXEC_DATA <6>[ 38.751236] lkdtm: attempting ok execution at ffffffff94d7c2d0 <6>[ 38.758052] lkdtm: attempting bad execution at ffffffff97e33d40 de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c<2>[ 38.764972] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 38.779834] BUG: unable to handle page fault for address: ffffffff97e33d40 <1>[ 38.787805] #PF: supervisor instruction fetch in kernel mode <1>[ 38.794407] #PF: error_code(0x0011) - permissions violation <6>[ 38.800919] PGD 134a29067 P4D 134a29067 PUD 134a2a063 PMD 80000001362000e3 <4>[ 38.808989] Oops: 0011 [#5] SMP PTI <4>[ 38.813172] CPU: 3 PID: 1572 Comm: cat Tainted: G D W 5.10.206-cip41 #1 <4>[ 38.822113] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 38.829209] RIP: 0010:data_area+0x0/0x40 <4>[ 38.833877] Code: ff ff 00 dc 3d 40 37 92 ff ff 00 db 3d 40 37 92 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>[ 38.855152] RSP: 0018:ffff98cb0223fe48 EFLAGS: 00010246 <4>[ 38.861275] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 38.869537] RDX: 0000000000000000 RSI: ffff9237bad9bf50 RDI: ffff9237bad9bf50 <4>[ 38.877799] RBP: ffffffff97e33d40 R08: 0000000000000000 R09: 0000000000000000 <4>[ 38.886059] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a <4>[ 38.894321] R13: ffff98cb0223ff10 R14: ffff98cb0223ff10 R15: ffff923742d71000 <4>[ 38.902583] FS: 00007fe120ffe580(0000) GS:ffff9237bad80000(0000) knlGS:0000000000000000 <4>[ 38.911903] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 38.918610] CR2: ffffffff97e33d40 CR3: 0000000102df2006 CR4: 00000000003706e0 <4>[ 38.926872] Call Trace: <4>[ 38.929892] ? __die_body.cold+0x1a/0x1f <4>[ 38.934563] ? no_context+0x177/0x380 <4>[ 38.938942] ? exc_page_fault+0xd7/0x170 <4>[ 38.943613] ? asm_exc_page_fault+0x1e/0x30 <4>[ 38.948580] ? execute_location+0x45/0x56 <4>[ 38.953344] ? direct_entry.cold+0x2c/0x38 <4>[ 38.958209] ? full_proxy_write+0x53/0x80 <4>[ 38.962974] ? vfs_write+0xe7/0x3b0 <4>[ 38.967158] ? ksys_write+0x68/0xf0 <4>[ 38.971332] ? do_syscall_64+0x30/0x40 <4>[ 38.975806] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 <4>[ 38.981934] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc snd_soc_da7219 videobuf2_memops videobuf2_v4l2 cros_ec_chardev cros_usbpd_charger cros_usbpd_logger cros_ec_lightbar cros_ec_sysfs snd_soc_core cros_ec_sensorhub cros_ec_debugfs snd_compress 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>[ 39.040928] CR2: ffffffff97e33d40 <4>[ 39.044916] ---[ end trace 10d994e9f30da96f ]--- <4>[ 39.050363] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 39.055031] Code: 89 ff e8 5e d4 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 f0 7d 0b 03 <4>[ 39.076304] RSP: 0018:ffff98cb012dfe60 EFLAGS: 00010286 <4>[ 39.082430] RAX: ffffffff94d7bf00 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 39.090701] RDX: 0000000000000000 RSI: ffff9237bac9bf50 RDI: ffffffff95ef84b0 <4>[ 39.098961] RBP: ffffffff963e8e88 R08: 0000000000000001 R09: 0000000000000001 <4>[ 39.107223] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 39.115483] R13: ffff98cb012dff10 R14: ffff98cb012dff10 R15: ffff923742bf6000 <4>[ 39.123745] FS: 00007fe120ffe580(0000) GS:ffff9237bad80000(0000) knlGS:0000000000000000 <4>[ 39.133073] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 39.139782] CR2: ffffffff97e33d40 CR3: 0000000102df2006 CR4: 00000000003706e0 <3>[ 39.148044] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 39.158247] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1572, name: cat <4>[ 39.166992] INFO: lockdep is turned off. <4>[ 39.171660] irq event stamp: 0 <4>[ 39.175358] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 39.182650] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 39.192077] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 39.201504] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 39.208786] CPU: 3 PID: 1572 Comm: cat Tainted: G D W 5.10.206-cip41 #1 <4>[ 39.217729] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 39.224824] Call Trace: <4>[ 39.227843] dump_stack+0x77/0x9b <4>[ 39.231835] ___might_sleep.cold+0xa6/0xb6 <4>[ 39.236701] exit_signals+0x1c/0x300 <4>[ 39.240982] do_exit+0xc2/0xab0 <4>[ 39.244769] ? ksys_write+0x68/0xf0 <4>[ 39.248952] make_task_dead+0x2f/0x30 <4>[ 39.253323] rewind_stack_and_make_dead+0x17/0x20 <4>[ 39.258865] RIP: 0033:0x7fe120f14473 <4>[ 39.263144] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 39.284421] RSP: 002b:00007ffeac0b6658 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 39.293168] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fe120f14473 <4>[ 39.301431] RDX: 000000000000000a RSI: 00007fe120e08000 RDI: 0000000000000001 <4>[ 39.309695] RBP: 00007fe120e08000 R08: 00007fe120e07010 R09: 0000000000000000 <4>[ 39.317956] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 39.326218] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 00 83 05 f0 7d 0b 03 # [ 36.458003] RSP: 0018:ffff98cb012dfe60 EFLAGS: 00010286 # [ 36.464120] RAX: ffffffff94d7bf00 RBX: 0000000000000001 RCX: 0000000000000000 # [ 36.472381] RDX: 0000000000000000 RSI: ffff9237bac9bf50 RDI: ffffffff95ef84b0 # [ 36.480646] RBP: ffffffff963e8e88 R08: 0000000000000001 R09: 0000000000000001 # [ 36.488907] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 36.497167] R13: ffff98cb012dff10 R14: ffff98cb012dff10 R15: ffff923742bf6000 # [ 36.505431] FS: 00007ff4d1eec580(0000) GS:ffff9237bad80000(0000) knlGS:0000000000000000 # [ 36.514762] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 36.521470] CR2: ffff98cb01930000 CR3: 0000000102b6c001 CR4: 00000000003706e0 # STACK_GUARD_PAGE_TRAILING: saw 'call trace:': ok ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # selftests: lkdtm: UNSET_SMEP.sh # [ 36.641000] lkdtm: Performing direct entry UNSET_SMEP # [ 36.647582] lkdtm: trying to clear SMEP normally # [ 36.653038] ------------[ cut here ]------------ # [ 36.658491] pinned CR4 bits changed: 0x100000!? # [ 36.663866] WARNING: CPU: 2 PID: 1049 at arch/x86/kernel/cpu/common.c:397 native_write_cr4+0x45/0x60 # [ 36.674373] Modules linked in: fuse ip_tables cros_e<6>[ 39.457556] lkdtm: Performing direct entry EXEC_STACK <6>[ 39.464765] lkdtm: attempting ok execution at ffffffff94d7c2d0 <6>[ 39.471607] lkdtm: attempting bad execution at ffff98cb022bfe18 <2>[ 39.478527] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 39.487182] BUG: unable to handle page fault for address: ffff98cb022bfe18 <1>[ 39.495151] #PF: supervisor instruction fetch in kernel mode <1>[ 39.501762] #PF: error_code(0x0011) - permissions violation <6>[ 39.508274] PGD 100000067 P4D 100000067 PUD 100248067 PMD 102dcc067 PTE 8000000103219063 <4>[ 39.517609] Oops: 0011 [#6] SMP PTI <4>[ 39.521792] CPU: 3 PID: 1609 Comm: cat Tainted: G D W 5.10.206-cip41 #1 <4>[ 39.530723] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 39.537821] RIP: 0010:0xffff98cb022bfe18 <4>[ 39.542489] Code: 00 00 18 fe 2b 02 cb 98 ff ff 30 f6 45 95 ff ff ff ff 20 00 00 00 00 00 00 00 c6 2c 38 96 ff ff ff ff 5f f7 45 95 ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 <4>[ 39.563765] RSP: 0018:ffff98cb022bfdf8 EFLAGS: 00010246 <4>[ 39.569891] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 39.578152] RDX: 0000000000000000 RSI: ffff9237bad9bf50 RDI: ffff9237bad9bf50 <4>[ 39.586414] RBP: ffff98cb022bfe18 R08: 0000000000000000 R09: 0000000000000000 <4>[ 39.594675] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b <4>[ 39.602955] R13: ffff98cb022bff10 R14: ffff98cb022bff10 R15: ffff923742f1b000 <4>[ 39.611217] FS: 00007f50a28be580(0000) GS:ffff9237bad80000(0000) knlGS:0000000000000000 <4>[ 39.620546] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 39.627254] CR2: ffff98cb022bfe18 CR3: 0000000102a0e003 CR4: 00000000003706e0 <4>[ 39.635516] Call Trace: <4>[ 39.638538] ? __die_body.cold+0x1a/0x1f <4>[ 39.643208] ? no_context+0x177/0x380 <4>[ 39.647586] ? exc_page_fault+0xd7/0x170 <4>[ 39.652257] ? asm_exc_page_fault+0x1e/0x30 <4>[ 39.657222] ? execute_location+0x45/0x56 <4>[ 39.661986] ? lkdtm_EXEC_STACK+0x26/0x44 <4>[ 39.666753] ? direct_entry.cold+0x2c/0x38 <4>[ 39.671618] ? full_proxy_write+0x53/0x80 <4>[ 39.676409] ? vfs_write+0xe7/0x3b0 <4>[ 39.680594] ? ksys_write+0x68/0xf0 <4>[ 39.684778] ? do_syscall_64+0x30/0x40 <4>[ 39.689253] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 c_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_tr<4>[ 39.695381] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc snd_soc_da7219 videobuf2_memops videobuf2_v4l2 cros_ec_chardev cros_usbpd_charger cros_usbpd_logger cros_ec_lightbar cros_ec_sysfs snd_soc_core cros_ec_sensorhub cros_ec_debugfs snd_compress 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>[ 39.754378] CR2: ffff98cb022bfe18 <4>[ 39.758367] ---[ end trace 10d994e9f30da970 ]--- <4>[ 39.763806] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 39.768475] Code: 89 ff e8 5e d4 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 f0 7d 0b 03 iggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc<4>[ 39.789753] RSP: 0018:ffff98cb012dfe60 EFLAGS: 00010286 <4>[ 39.802096] RAX: ffffffff94d7bf00 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 39.810361] RDX: 0000000000000000 RSI: ffff9237bac9bf50 RDI: ffffffff95ef84b0 <4>[ 39.818623] RBP: ffffffff963e8e88 R08: 0000000000000001 R09: 0000000000000001 <4>[ 39.826884] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 39.835145] R13: ffff98cb012dff10 R14: ffff98cb012dff10 R15: ffff923742bf6000 <4>[ 39.843406] FS: 00007f50a28be580(0000) GS:ffff9237bad80000(0000) knlGS:0000000000000000 <4>[ 39.852735] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 39.859441] CR2: ffff98cb022bfe18 CR3: 0000000102a0e003 CR4: 00000000003706e0 snd_soc_da7219 videobuf2_memops videobuf2_v4l2 cros_ec_chardev cros_usbpd_charger cros_usbpd_logger cros_ec_lightbar cros_ec_sysfs snd_soc_core cros_ec_sensorhub cros_ec_debugfs snd_compress 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 # [ 36.733332] CPU: 2 PID: 1049 Comm: cat Tainted: G D W 5.10.206-cip41 #1 # [ 36.742299] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 36.749401] RIP: 0010:native_write_cr4+0x45/0x60 # [ 36.754849] 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 18 08 28 96 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 # [ 36.776129] RSP: 0018:ffff98cb019dfe48 EFLAGS: 00010286 # [ 36.782258] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 0000000000000000 # [ 36.790523] RDX: ffff9237bad2c620 RSI: ffff9237bad1bf50 RDI: ffff9237bad1bf50 # [ 36.798789] RBP: ffffffff96382b9d R08: 0000000000000000 R09:<6>[ 39.973274] lkdtm: Performing direct entry EXEC_KMALLOC 0000000000000000 # [ 36.807054] R10: 00000000ffffe000 R11: 3<6>[ 39.979540] lkdtm: attempting ok execution at ffffffff94d7c2d0 fffffffffffffff R12: 000000000000000b # [ 36.815317] R13: fff<6>[ 39.992566] lkdtm: attempting bad execution at ffff92374298bd80 f98cb019dff10 R14: ffff98cb019dff10 R15: ffff9237430c0000 # [ <2>[ 40.005692] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 40.020549] BUG: unable to handle page fault for address: ffff92374298bd80 <1>[ 40.028520] #PF: supervisor instruction fetch in kernel mode <1>[ 40.035130] #PF: error_code(0x0011) - permissions violation <6>[ 40.041648] PGD 136401067 P4D 136401067 PUD 10024b063 PMD 106355063 PTE 800000010298b063 36.823582] FS: 00007f8e9428c580(0000) GS:ffff9237bad00000(0000<4>[ 40.050985] Oops: 0011 [#7] SMP PTI <4>[ 40.061381] CPU: 1 PID: 1647 Comm: cat Tainted: G D W 5.10.206-cip41 #1 <4>[ 40.070322] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 40.077420] RIP: 0010:0xffff92374298bd80 <4>[ 40.082089] Code: ad de 80 87 15 46 37 92 ff ff 80 bc 98 42 37 92 ff ff 00 00 00 00 00 00 00 00 00 00 00 00 40 00 38 00 09 00 40 00 18 00 17 00 <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 <4>[ 40.103366] RSP: 0018:ffff98cb0232fe38 EFLAGS: 00010246 <4>[ 40.109492] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 40.117753] RDX: 0000000000000000 RSI: ffff9237bac9bf50 RDI: ffff9237bac9bf50 <4>[ 40.126012] RBP: ffff92374298bd80 R08: 0000000000000000 R09: 0000000000000000 <4>[ 40.134275] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d <4>[ 40.142537] R13: ffff98cb0232ff10 R14: ffff98cb0232ff10 R15: ffff92374623f000 <4>[ 40.150799] FS: 00007f396332c580(0000) GS:ffff9237bac80000(0000) knlGS:0000000000000000 <4>[ 40.160128] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 40.166835] CR2: ffff92374298bd80 CR3: 0000000102dae003 CR4: 00000000003706e0 <4>[ 40.175096] Call Trace: <4>[ 40.178116] ? __die_body.cold+0x1a/0x1f ) knlGS:0000000000000000 # [ 36.832914] CS: 0010 DS: 0000 ES<4>[ 40.182787] ? no_context+0x177/0x380 <4>[ 40.193378] ? exc_page_fault+0xd7/0x170 : 0000 CR0: 0000000080050033 # [ 36.839649] CR2: 00007f8e9409<4>[ 40.198049] ? asm_exc_page_fault+0x1e/0x30 60<00 CR3: 0000000102fc8002 CR4: 00000000003706e0 # [ 36.847914>[ 40.209226] ? execute_location+0x45/0x56 <4>[ 40.220210] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 <4>[ 40.225169] ? direct_entry.cold+0x2c/0x38 <4>[ 40.230033] ? full_proxy_write+0x53/0x80 <4>[ 40.234802] ? vfs_write+0xe7/0x3b0 <4>[ 40.238986] ? ksys_write+0x68/0xf0 <4>[ 40.243170] ? do_syscall_64+0x30/0x40 <4>[ 40.247649] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 4] Call Trace: # [ 36.857148] ? __warn+0x80/0x110 # [ 36.<4>[ 40.253777] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc snd_soc_da7219 videobuf2_memops videobuf2_v4l2 cros_ec_chardev cros_usbpd_charger cros_usbpd_logger cros_ec_lightbar cros_ec_sysfs snd_soc_core cros_ec_sensorhub cros_ec_debugfs snd_compress 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>[ 40.312739] CR2: ffff92374298bd80 861069] ? native_write_cr4+0x45/0x60 # [ 36.872051] ? repor<4>[ 40.316730] ---[ end trace 10d994e9f30da971 ]--- <4>[ 40.328390] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 40.333060] Code: 89 ff e8 5e d4 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 f0 7d 0b 03 <4>[ 40.354337] RSP: 0018:ffff98cb012dfe60 EFLAGS: 00010286 <4>[ 40.360464] RAX: ffffffff94d7bf00 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 40.368726] RDX: 0000000000000000 RSI: ffff9237bac9bf50 RDI: ffffffff95ef84b0 <4>[ 40.376989] RBP: ffffffff963e8e88 R08: 0000000000000001 R09: 0000000000000001 <4>[ 40.385250] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 40.393511] R13: ffff98cb012dff10 R14: ffff98cb012dff10 R15: ffff923742bf6000 <4>[ 40.401772] FS: 00007f396332c580(0000) GS:ffff9237bac80000(0000) knlGS:0000000000000000 <4>[ 40.411103] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 40.417811] CR2: ffff92374298bd80 CR3: 0000000102dae003 CR4: 00000000003706e0 <3>[ 40.426073] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 40.436279] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1647, name: cat <4>[ 40.445026] INFO: lockdep is turned off. <4>[ 40.449699] irq event stamp: 0 <4>[ 40.453396] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 40.460700] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 t_bug+0x9e/0xc0 # [ 36.876263] ? handle_bug+0x41/0x90 # [ <4>[ 40.470133] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 40.485775] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 40.493067] CPU: 1 PID: 1647 Comm: cat Tainted: G D W 5.10.206-cip41 #1 <4>[ 40.501999] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 40.509094] Call Trace: <4>[ 40.512115] dump_stack+0x77/0x9b 36.880473] ? exc_invalid_op+0x14/0x70 # [ 36.885048] ? asm<4>[ 40.516107] ___might_sleep.cold+0xa6/0xb6 <4>[ 40.527182] exit_signals+0x1c/0x300 _exc_invalid_op+0x12/0x20 # [ 36.890012] ? native_write_cr4+<4>[ 40.531463] do_exit+0xc2/0xab0 <4>[ 40.541475] ? ksys_write+0x68/0xf0 0x45/0x60 # [ 36.894811] ? native_write_cr4+0x45/0x60 # [ <4>[ 40.545662] make_task_dead+0x2f/0x30 <4>[ 40.556253] rewind_stack_and_make_dead+0x17/0x20 <4>[ 40.561786] RIP: 0033:0x7f3963242473 <4>[ 40.566067] 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>[ 40.587335] RSP: 002b:00007ffd450f39b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 40.596083] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f3963242473 <4>[ 40.604344] RDX: 000000000000000d RSI: 00007f3963136000 RDI: 0000000000000001 <4>[ 40.612606] RBP: 00007f3963136000 R08: 00007f3963135010 R09: 0000000000000000 <4>[ 40.620869] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 40.629131] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 36.899581] lkdtm_UNSET_SMEP.cold+0x1d/0x103 # [ 36.904740] direct_entry.cold+0x2c/0x38 # [ 36.909417] full_proxy_write+0x53/0x80 # [ 36.920206] vfs_write+0xe7/0x3b0 # [ 36.930412] ksys_write+0x68/0xf0 # [ 36.940638] do_syscall_64+0x30/0x40 # [ 36.944931] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 36.957073] RIP: 0033:0x7f8e941a2473 # [ 36.961355] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 36.982656] RSP: 002b:00007ffdffa48718 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 36.997636] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f8e941a2473 # [ 37.005898] RDX: 000000000000000b RSI: 00007f8e94096000 RDI: 0000000000000001 # [ 37.014160] RBP: 00007f8e94096000 R08: 00007f8e94095010 R09: 0000000000000000 # [ 37.022414] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 37.030691] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 37.038991] irq event stamp: 0 # [ 37.042716] hardi<6>[ 40.746035] lkdtm: Performing direct entry EXEC_VMALLOC rqs last enabled at (0): [<0000000000000000>] 0x0 # [ 37.056<6>[ 40.755407] lkdtm: attempting ok execution at ffffffff94d7c2d0 219] hardirqs last disabled at (0): [] copy_pr<6>[ 40.768429] lkdtm: attempting bad execution at ffff98cb00375000 ocess+0x65c/0x20e0 # [ 37.065652] softirqs last enabled at (<2>[ 40.781552] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) <1>[ 40.796416] BUG: unable to handle page fault for address: ffff98cb00375000 0): [] copy_process+0x65c/0x20e0 # [ 37.075<1>[ 40.804389] #PF: supervisor instruction fetch in kernel mode <1>[ 40.817215] #PF: error_code(0x0011) - permissions violation 084] softirqs last disabled at (0): [<0000000000000000>] 0x0 # <6>[ 40.823731] PGD 100000067 P4D 100000067 PUD 100248067 PMD 1009af067 PTE 8000000102788063 <4>[ 40.839281] Oops: 0011 [#8] SMP PTI <4>[ 40.843465] CPU: 1 PID: 1684 Comm: cat Tainted: G D W 5.10.206-cip41 #1 <4>[ 40.852408] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 40.859506] RIP: 0010:0xffff98cb00375000 <4>[ 40.864175] Code: Unable to access opcode bytes at RIP 0xffff98cb00374fd6. <4>[ 40.872144] RSP: 0018:ffff98cb023cfe38 EFLAGS: 00010246 <4>[ 40.878268] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 40.886530] RDX: 0000000000000000 RSI: ffff9237bac9bf50 RDI: ffff9237bac9bf50 <4>[ 40.894791] RBP: ffff98cb00375000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 40.903053] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d <4>[ 40.911316] R13: ffff98cb023cff10 R14: ffff98cb023cff10 R15: ffff923742788000 <4>[ 40.919579] FS: 00007f7b0e120580(0000) GS:ffff9237bac80000(0000) knlGS:0000000000000000 <4>[ 40.928901] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 40.935607] CR2: ffff98cb00374fd6 CR3: 000000010404e004 CR4: 00000000003706e0 <4>[ 40.943868] Call Trace: [ < 37.088588] ---[ end trace 10d994e9f30da96e ]--- # [ 37.094>[ 40.946888] ? __die_body.cold+0x1a/0x1f <4>[ 40.957776] ? no_context+0x177/0x380 <4>[ 40.962157] ? exc_page_fault+0xd7/0x170 4034] lkdtm: ok: SMEP did not get cleared # [ 37.099385] lkdt<4>[ 40.966828] ? asm_exc_page_fault+0x1e/0x30 m: trying to clear SMEP with call gadget # [ 37.105613] lkdtm<4>[ 40.978007] ? execute_location+0x45/0x56 <4>[ 40.988991] ? lkdtm_EXEC_VMALLOC+0x20/0x30 <4>[ 40.993951] ? direct_entry.cold+0x2c/0x38 <4>[ 40.998816] ? full_proxy_write+0x53/0x80 <4>[ 41.003584] ? vfs_write+0xe7/0x3b0 <4>[ 41.007769] ? ksys_write+0x68/0xf0 <4>[ 41.011953] ? do_syscall_64+0x30/0x40 <4>[ 41.016428] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 : ok: SMEP removal was reverted # UNSET_SMEP: saw 'pinned CR4 b<4>[ 41.022557] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc snd_soc_da7219 videobuf2_memops videobuf2_v4l2 cros_ec_chardev cros_usbpd_charger cros_usbpd_logger cros_ec_lightbar cros_ec_sysfs snd_soc_core cros_ec_sensorhub cros_ec_debugfs snd_compress 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>[ 41.081520] CR2: ffff98cb00375000 <4>[ 41.085508] ---[ end trace 10d994e9f30da972 ]--- <4>[ 41.090953] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 41.095637] Code: 89 ff e8 5e d4 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 f0 7d 0b 03 its changed:': ok ok 14 selftests: lkdtm: UNSET_SMEP.sh # self<4>[ 41.116924] RSP: 0018:ffff98cb012dfe60 EFLAGS: 00010286 <4>[ 41.129263] RAX: ffffffff94d7bf00 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 41.137525] RDX: 0000000000000000 RSI: ffff9237bac9bf50 RDI: ffffffff95ef84b0 <4>[ 41.145788] RBP: ffffffff963e8e88 R08: 0000000000000001 R09: 0000000000000001 <4>[ 41.154050] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 41.162312] R13: ffff98cb012dff10 R14: ffff98cb012dff10 R15: ffff923742bf6000 <4>[ 41.170573] FS: 00007f7b0e120580(0000) GS:ffff9237bac80000(0000) knlGS:0000000000000000 <4>[ 41.179903] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 41.186611] CR2: ffff98cb00374fd6 CR3: 000000010404e004 CR4: 00000000003706e0 tests: lkdtm: DOUBLE_FAULT.sh # [ 37.225043] lkdtm: Performing direct entry DOUBLE_FAULT # [ 37.235306] 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 # [ 37.402664] lkdtm: Performing direct entry CORRUPT_PAC # [ 37.414652] 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 # [ 37.561842] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 37.570666] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # UNALIGNED_LOAD_STORE_WRITE: saw 'XFAIL': [SKIP] ok 17 selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh # SKIP # selftests: lkdtm: OVERWRITE_ALLOCATION.sh # Skipping OVERWRITE_ALLOCATION: Corrupts memory on failure ok 18 selftests: lkdtm: OVERWRITE_ALLOCATION.sh # SKIP # selftests: lkdtm: WRITE_AFTER_FREE.sh # Skipping WRITE_AFTER_FREE: Corrupts memory on failure ok 19 selftests: lkdtm: WRITE_AFTER_FRE<6>[ 41.298270] lkdtm: Performing direct entry EXEC_RODATA <6>[ 41.306574] lkdtm: attempting ok execution at ffffffff94d7c2d0 <6>[ 41.313391] lkdtm: attempting bad execution at ffffffff95ef8940 <2>[ 41.320318] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) E.sh # SKIP # selftests: lkdtm: READ_AFTER_FREE.sh # [ 37.78<1>[ 41.328976] BUG: unable to handle page fault for address: ffffffff95ef8940 <1>[ 41.343165] #PF: supervisor instruction fetch in kernel mode <1>[ 41.349778] #PF: error_code(0x0011) - permissions violation <6>[ 41.356284] PGD 134a29067 P4D 134a29067 PUD 134a2a063 PMD 80000001342000e1 4134] lkdtm: Performing direct entry READ_AFTER_FREE # [ 37.7<4>[ 41.364359] Oops: 0011 [#9] SMP PTI <4>[ 41.374756] CPU: 3 PID: 1721 Comm: cat Tainted: G D W 5.10.206-cip41 #1 96326] lkdtm: Value in memory before free: 12345678 # [ 37.80<4>[ 41.383698] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 41.397012] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 <4>[ 41.403042] Code: ff ff cf 0b 46 95 ff ff ff ff 12 2f 38 96 ff ff ff ff 15 f3 45 95 ff ff ff ff 55 aa 55 aa 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 54 68 69 73 20 69 <4>[ 41.424308] RSP: 0018:ffff98cb0244fe48 EFLAGS: 00010246 <4>[ 41.430432] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 <4>[ 41.438696] RDX: 0000000000000000 RSI: ffff9237bad9bf50 RDI: ffff9237bad9bf50 <4>[ 41.446958] RBP: ffffffff95ef8940 R08: 0000000000000000 R09: 0000000000000000 <4>[ 41.455220] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c <4>[ 41.463482] R13: ffff98cb0244ff10 R14: ffff98cb0244ff10 R15: ffff9237460f8000 <4>[ 41.471744] FS: 00007fe25d9ba580(0000) GS:ffff9237bad80000(0000) knlGS:0000000000000000 <4>[ 41.481073] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 41.487780] CR2: ffffffff95ef8940 CR3: 000000010317e006 CR4: 00000000003706e0 <4>[ 41.496041] Call Trace: <4>[ 41.499062] ? __die_body.cold+0x1a/0x1f <4>[ 41.503734] ? no_context+0x177/0x380 <4>[ 41.508114] ? exc_page_fault+0xd7/0x170 <4>[ 41.512781] ? asm_exc_page_fault+0x1e/0x30 <4>[ 41.517745] ? execute_location+0x45/0x56 <4>[ 41.522513] ? direct_entry.cold+0x2c/0x38 2563] lkdtm: Attempting bad read from freed memory # [ 37.808<4>[ 41.527379] ? full_proxy_write+0x53/0x80 <4>[ 41.538358] ? vfs_write+0xe7/0x3b0 <4>[ 41.542543] ? ksys_write+0x68/0xf0 <4>[ 41.546726] ? do_syscall_64+0x30/0x40 <4>[ 41.551193] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 793] lkdtm: Memory was not poisoned # READ_AFTER_FREE: missing <4>[ 41.557321] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc snd_soc_da7219 videobuf2_memops videobuf2_v4l2 cros_ec_chardev cros_usbpd_charger cros_usbpd_logger cros_ec_lightbar cros_ec_sysfs snd_soc_core cros_ec_sensorhub cros_ec_debugfs snd_compress 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>[ 41.616322] CR2: ffffffff95ef8940 <4>[ 41.620310] ---[ end trace 10d994e9f30da973 ]--- <4>[ 41.625757] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 41.630425] Code: 89 ff e8 5e d4 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 f0 7d 0b 03 <4>[ 41.651710] RSP: 0018:ffff98cb012dfe60 EFLAGS: 00010286 <4>[ 41.657835] RAX: ffffffff94d7bf00 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 41.666096] RDX: 0000000000000000 RSI: ffff9237bac9bf50 RDI: ffffffff95ef84b0 <4>[ 41.674358] RBP: ffffffff963e8e88 R08: 0000000000000001 R09: 0000000000000001 <4>[ 41.682637] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 'call trace:': [FAIL] not ok 20 selftests: lkdtm: READ_AFTER_FR<4>[ 41.690906] R13: ffff98cb012dff10 R14: ffff98cb012dff10 R15: ffff923742bf6000 <4>[ 41.705381] FS: 00007fe25d9ba580(0000) GS:ffff9237bad80000(0000) knlGS:0000000000000000 <4>[ 41.714710] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 41.721418] CR2: ffffffff95ef8940 CR3: 000000010317e006 CR4: 00000000003706e0 <3>[ 41.729680] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 41.739884] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1721, name: cat <4>[ 41.748649] INFO: lockdep is turned off. <4>[ 41.753308] irq event stamp: 0 <4>[ 41.757007] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 41.764291] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 41.773719] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 41.783144] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 41.790436] CPU: 3 PID: 1721 Comm: cat Tainted: G D W 5.10.206-cip41 #1 <4>[ 41.799368] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 41.806463] Call Trace: <4>[ 41.809484] dump_stack+0x77/0x9b <4>[ 41.813475] ___might_sleep.cold+0xa6/0xb6 <4>[ 41.818340] exit_signals+0x1c/0x300 <4>[ 41.822638] do_exit+0xc2/0xab0 EE.sh # exit=1 # selftests: lkdtm: WRITE_BUDDY_AFTER_FREE.sh #<4>[ 41.826435] ? ksys_write+0x68/0xf0 <4>[ 41.836830] make_task_dead+0x2f/0x30 <4>[ 41.841207] rewind_stack_and_make_dead+0x17/0x20 <4>[ 41.846749] RIP: 0033:0x7fe25d8d0473 <4>[ 41.851028] 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>[ 41.872305] RSP: 002b:00007fffab1768f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 41.881055] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fe25d8d0473 <4>[ 41.889317] RDX: 000000000000000c RSI: 00007fe25d7c4000 RDI: 0000000000000001 <4>[ 41.897578] RBP: 00007fe25d7c4000 R08: 00007fe25d7c3010 R09: 0000000000000000 <4>[ 41.905839] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 41.914101] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 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 # [ 37.978671] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 37.988510] lkdtm: Value in memory before free: 12345678 # [ 38.000949] lkdtm: Attempting to read from freed memory # [ 38.013281] lkdtm: Buddy page was not poisoned # READ_BUDDY_AFTER_FREE: missing 'call trace:': [FAIL] not ok 22 selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh # exit=1 # selftests: lkdtm: SLAB_FREE_DOUBLE.sh # [ 38.156551] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 38.168050] lkdtm: Attempting double slab free ... # SLAB_FREE_DOUBLE: missing 'call trace:': [FAIL] not ok 23 selftests: lkdtm: SLAB_FREE_DOUBLE.sh # exit=1 # selftests: lkdtm: SLAB_FREE_CROSS.sh # [ 38.291742] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 38.304405] lkdtm: Attempting cross-cache slab free ... # SLAB_FREE_CROSS: missing 'call trace:': [FAIL] <6>[ 42.019170] lkdtm: Performing direct entry EXEC_USERSPACE <6>[ 42.028164] lkdtm: attempting ok execution at ffffffff94d7c2d0 <6>[ 42.034984] lkdtm: attempting bad execution at 00007fd0179c9000 <2>[ 42.041901] unable to execute userspace code (SMEP?) (uid: 0) <1>[ 42.048616] BUG: unable to handle page fault for address: 00007fd0179c9000 not ok 24 selftests: lkdtm: SLAB_FREE_CROSS.sh # exit=1 # selft<1>[ 42.056589] #PF: supervisor instruction fetch in kernel mode <1>[ 42.069416] #PF: error_code(0x0011) - permissions violation es[ 42.075931] PGD 8000000103da5067 P4D 8000000103da5067 PUD 103daa067 PMD 1063a4067 PTE 10a476067 <4>[ 42.092163] Oops: 0011 [#10] SMP PTI <4>[ 42.096445] CPU: 3 PID: 1758 Comm: cat Tainted: G D W 5.10.206-cip41 #1 <4>[ 42.105386] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 42.112483] RIP: 0010:0x7fd0179c9000 <4>[ 42.116761] Code: Unable to access opcode bytes at RIP 0x7fd0179c8fd6. <4>[ 42.124344] RSP: 0018:ffff98cb024ffe50 EFLAGS: 00010246 <4>[ 42.130461] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 <4>[ 42.138723] RDX: 0000000000000000 RSI: ffff9237bad9bf50 RDI: ffff9237bad9bf50 <4>[ 42.146983] RBP: 00007fd0179c9000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 42.155246] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f <4>[ 42.163507] R13: ffff98cb024fff10 R14: ffff98cb024fff10 R15: ffff923743334000 <4>[ 42.171768] FS: 00007fd01799a580(0000) GS:ffff9237bad80000(0000) knlGS:0000000000000000 <4>[ 42.181099] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 42.187805] CR2: 00007fd0179c9000 CR3: 0000000102a84005 CR4: 00000000003706e0 <4>[ 42.196066] Call Trace: <4>[ 42.199091] ? __die_body.cold+0x1a/0x1f ng direct entry SLAB_FREE_PAGE # [ 38.453659] lkdtm: Attempti<4>[ 42.203770] ? no_context+0x177/0x380 <4>[ 42.214360] ? exc_page_fault+0x53/0x170 <4>[ 42.219028] ? asm_exc_page_fault+0x1e/0x30 <4>[ 42.223984] ? lkdtm_EXEC_USERSPACE.cold+0x66/0xae <4>[ 42.229648] ? direct_entry.cold+0x2c/0x38 <4>[ 42.234514] ? full_proxy_write+0x53/0x80 <4>[ 42.239279] ? vfs_write+0xe7/0x3b0 <4>[ 42.243454] ? ksys_write+0x68/0xf0 <4>[ 42.247651] ? do_syscall_64+0x30/0x40 <4>[ 42.252125] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 ng non-Slab slab free ... # SLAB_FREE_PAGE: missing 'call trace<4>[ 42.258254] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc snd_soc_da7219 videobuf2_memops videobuf2_v4l2 cros_ec_chardev cros_usbpd_charger cros_usbpd_logger cros_ec_lightbar cros_ec_sysfs snd_soc_core cros_ec_sensorhub cros_ec_debugfs snd_compress 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>[ 42.317258] CR2: 00007fd0179c9000 <4>[ 42.321248] ---[ end trace 10d994e9f30da974 ]--- <4>[ 42.326702] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 42.331370] Code: 89 ff e8 5e d4 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 f0 7d 0b 03 <4>[ 42.352648] RSP: 0018:ffff98cb012dfe60 EFLAGS: 00010286 <4>[ 42.358772] RAX: ffffffff94d7bf00 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 42.367032] RDX: 0000000000000000 RSI: ffff9237bac9bf50 RDI: ffffffff95ef84b0 <4>[ 42.375295] RBP: ffffffff963e8e88 R08: 0000000000000001 R09: 0000000000000001 <4>[ 42.383556] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 42.391817] R13: ffff98cb012dff10 R14: ffff98cb012dff10 R15: ffff923742bf6000 <4>[ 42.400080] FS: 00007fd01799a580(0000) GS:ffff9237bad80000(0000) knlGS:0000000000000000 <4>[ 42.409410] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 42.416118] CR2: 00007fd0179c9000 CR3: 0000000102a84005 CR4: 00000000003706e0 :': [FAIL] not ok 25 selftests: lkdtm: SLAB_FREE_PAGE.sh # exit=1 # selftests: lkdtm: SOFTLOCKUP.sh # Skipping SOFTLOCKUP: Hangs the system ok 26 selftests: lkdtm: SOFTLOCKUP.sh # SKIP # selftests: lkdtm: HARDLOCKUP.sh # Skipping HARDLOCKUP: Hangs the system ok 27 selftests: lkdtm: HARDLOCKUP.sh # SKIP # selftests: lkdtm: SPINLOCKUP.sh # Skipping SPINLOCKUP: Hangs the system ok 28 selftests: lkdtm: SPINLOCKUP.sh # SKIP # selftests: lkdtm: HUNG_TASK.sh # Skipping HUNG_TASK: Hangs the system ok 29 selftests: lkdtm: HUNG_TASK.sh # SKIP # selftests: lkdtm: EXEC_DATA.sh # Killed # [ 38.744686] lkdtm: Performing direct entry EXEC_DATA # [ 38.751236] lkdtm: attempting ok execution at ffffffff94d7c2d0 # [ 38.758052] lkdtm: attempting bad execution at ffffffff97e33d40 # [ 38.764972] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 38.779834] BUG: unable to handle page fault for address: ffffffff97e33d40 # [ 38.787805] #PF: supervisor instruction fetch in kernel mode # [ 38.794407] #PF: error_code(0x0011) - permissions violation # [ 38.800919] PGD 134a29067 P4D 134a29067 PUD 134a2a063 PMD 80000001362000e3 # [ 38.808989] Oops: 0011 [#5] SMP PTI # [ 38.813172] CPU: 3 PID: 1572 Comm: cat Tainted: G D W 5.10.206-cip41 #1 # [ 38.822113] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 38.829209] RIP: 00<6>[ 42.557262] lkdtm: Performing direct entry EXEC_NULL 10:data_area+0x0/0x40 # [ 38.833877] Code: ff ff 00 dc 3d 40 <6>[ 42.567048] lkdtm: attempting ok execution at ffffffff94d7c2d0 37 92 ff ff 00 db 3d 40 37 92 ff ff 00 00 00 00 00 00 00 00 00 0<6>[ 42.580085] lkdtm: attempting bad execution at 0000000000000000 0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <0f> 1f 44 00 00 c3 <1>[ 42.593215] BUG: kernel NULL pointer dereference, address: 0000000000000000 <1>[ 42.607467] #PF: supervisor instruction fetch in kernel mode <1>[ 42.614078] #PF: error_code(0x0010) - not-present page <6>[ 42.620106] PGD 0 P4D 0 <4>[ 42.623214] Oops: 0010 [#11] SMP PTI <4>[ 42.627485] CPU: 0 PID: 1795 Comm: cat Tainted: G D W 5.10.206-cip41 #1 <4>[ 42.636427] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 42.643524] RIP: 0010:0x0 <4>[ 42.646736] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. <4>[ 42.654705] RSP: 0018:ffff98cb02597e48 EFLAGS: 00010246 <4>[ 42.660831] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 <4>[ 42.669092] RDX: 0000000000000000 RSI: ffff9237bac1bf50 RDI: ffff9237bac1bf50 <4>[ 42.677354] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 42.685616] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a <4>[ 42.693902] R13: ffff98cb02597f10 R14: ffff98cb02597f10 R15: ffff923746090000 <4>[ 42.702164] FS: 00007f6ba5d6c580(0000) GS:ffff9237bac00000(0000) knlGS:0000000000000000 <4>[ 42.711496] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 42.718203] CR2: ffffffffffffffd6 CR3: 00000001026c0006 CR4: 00000000003706f0 <4>[ 42.726464] Call Trace: <4>[ 42.729486] ? __die_body.cold+0x1a/0x1f <4>[ 42.734162] ? no_context+0x177/0x380 <4>[ 42.738543] ? exc_page_fault+0x53/0x170 <4>[ 42.743219] ? asm_exc_page_fault+0x1e/0x30 <4>[ 42.748184] execute_location+0x45/0x56 <4>[ 42.752751] direct_entry.cold+0x2c/0x38 <4>[ 42.757421] full_proxy_write+0x53/0x80 <4>[ 42.761996] vfs_write+0xe7/0x3b0 <4>[ 42.765984] ksys_write+0x68/0xf0 <4>[ 42.769975] do_syscall_64+0x30/0x40 <4>[ 42.774259] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 42.780191] RIP: 0033:0x7f6ba5c82473 <4>[ 42.784471] 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>[ 42.805748] RSP: 002b:00007ffc11d95a88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 42.814495] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f6ba5c82473 <4>[ 42.822757] RDX: 000000000000000a RSI: 00007f6ba5b76000 RDI: 0000000000000001 <4>[ 42.831018] RBP: 00007f6ba5b76000 R08: 00007f6ba5b75010 R09: 0000000000000000 <4>[ 42.839278] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 42.847540] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 42.855804] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc snd_soc_da7219 videobuf2_memops videobuf2_v4l2 cros_ec_chardev cros_usbpd_charger cros_usbpd_logger cros_ec_lightbar cros_ec_sysfs snd_soc_core cros_ec_sensorhub cros_ec_debugfs snd_compress 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>[ 42.908580] CR2: 0000000000000000 <4>[ 42.912560] ---[ end trace 10d994e9f30da975 ]--- <4>[ 42.918006] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 42.922674] Code: 89 ff e8 5e d4 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 f0 7d 0b 03 <4>[ 42.943943] RSP: 0018:ffff98cb012dfe60 EFLAGS: 00010286 <4>[ 42.950066] RAX: ffffffff94d7bf00 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 42.958327] RDX: 0000000000000000 RSI: ffff9237bac9bf50 RDI: ffffffff95ef84b0 <4>[ 42.966589] RBP: ffffffff963e8e88 R08: 0000000000000001 R09: 0000000000000001 <4>[ 42.974852] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 42.983112] R13: ffff98cb012dff10 R14: ffff98cb012dff10 R15: ffff923742bf6000 <4>[ 42.991374] FS: 00007f6ba5d6c580(0000) GS:ffff9237bac00000(0000) knlGS:0000000000000000 <4>[ 43.000719] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 43.007427] CR2: ffffffffffffffd6 CR3: 00000001026c0006 CR4: 00000000003706f0 <3>[ 43.015698] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 43.025902] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1795, name: cat <4>[ 43.034650] INFO: lockdep is turned off. <4>[ 43.039318] irq event stamp: 0 <4>[ 43.043015] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 43.050308] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 43.059736] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 43.069166] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 43.076456] CPU: 0 PID: 1795 Comm: cat Tainted: G D W 5.10.206-cip41 #1 <4>[ 43.085397] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 43.092493] Call Trace: <4>[ 43.095512] dump_stack+0x77/0x9b <4>[ 43.099502] ___might_sleep.cold+0xa6/0xb6 <4>[ 43.104366] exit_signals+0x1c/0x300 <4>[ 43.108648] do_exit+0xc2/0xab0 <4>[ 43.112444] ? ksys_write+0x68/0xf0 <4>[ 43.116650] make_task_dead+0x2f/0x30 <4>[ 43.121028] rewind_stack_and_make_dead+0x17/0x20 <4>[ 43.126569] RIP: 0033:0x7f6ba5c82473 <4>[ 43.130848] 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>[ 43.152125] RSP: 002b:00007ffc11d95a88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 43.160863] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f6ba5c82473 <4>[ 43.169125] RDX: 000000000000000a RSI: 00007f6ba5b76000 RDI: 0000000000000001 <4>[ 43.177386] RBP: 00007f6ba5b76000 R08: 00007f6ba5b75010 R09: 0000000000000000 <4>[ 43.185648] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 43.193910] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 # [ 38.855152] RSP: 0018:ffff98cb0223fe48 EFLAGS: 00010246 # [ 38.861275] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 38.869537] RDX: 0000000000000000 RSI: ffff9237bad9bf50 RDI: ffff9237bad9bf50 # [ 38.877799] RBP: ffffffff97e33d40 R08: 0000000000000000 R09: 0000000000000000 # [ 38.886059] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 38.894321] R13: ffff98cb0223ff10 R14: ffff98cb0223ff10 R15: ffff923742d71000 # [ 38.902583] FS: 00007fe120ffe580(0000) GS:ffff9237bad80000(0000) knlGS:0000000000000000 # [ 38.911903] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 38.918610] CR2: ffffffff97e33d40 CR3: 0000000102df2006 CR4: 00000000003706e0 # [ 38.926872] Call Trace: # [ 38.929892] ? __die_body.cold+0x1a/0x1f # [ 38.934563] ? no_context+0x177/0x380 # [ 38.938942] ? exc_page_fault+0xd7/0x170 # [ 38.943613] ? asm_exc_page_fault+0x1e/0x30 # [ 38.948580] ? execute_location+0x45/0x56 # [ 38.953344] ? direct_entry.cold+0x2c/0x38 # [ 38.958209] ? full_proxy_write+0x53/0x80 # [ 38.962974] ? vfs_write+0xe7/0x3b0 # [ 38.967158] ? ksys_write+0x68/0xf0 # [ 38.971332] ? do_syscall_64+0x30/0x40 # [ 38.975806] ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 38.981934] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc snd_soc_da7219 videobuf2_memops videobuf2_v4l2 cros_ec_chardev cros_usbpd_charger <6>[ 43.351524] lkdtm: Performing direct entry ACCESS_USERSPACE <6>[ 43.364123] lkdtm: attempting bad read at 00007fc0a7217000 <1>[ 43.370580] BUG: unable to handle page fault for address: 00007fc0a7217000 cros_usbpd_logger cros_ec_lightbar cros_ec_sysfs snd_soc_core cr<1>[ 43.378555] #PF: supervisor read access in kernel mode <1>[ 43.390793] #PF: error_code(0x0001) - permissions violation os<_ec_sensorhub cros_ec_debugfs snd_compress gsmi x86_pkg_temp_t6>[ 43.397298] PGD 8000000102a6f067 P4D 8000000102a6f067 PUD 106047067 PMD 10600f067 PTE 1084eb067 <4>[ 43.413531] Oops: 0001 [#12] SMP PTI <4>[ 43.417813] CPU: 3 PID: 1831 Comm: cat Tainted: G D W 5.10.206-cip41 #1 <4>[ 43.426758] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 43.433858] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 <4>[ 43.440373] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 30 3c 38 96 e8 24 d8 fb ff 48 c7 c7 58 3c 38 96 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 0b d8 fb ff 48 89 ee 48 c7 c7 80 3c 38 <4>[ 43.461646] RSP: 0018:ffff98cb0262fe48 EFLAGS: 00010246 <4>[ 43.467772] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 <4>[ 43.476033] RDX: 0000000000000000 RSI: ffff9237bad9bf50 RDI: ffffffff96383c58 <4>[ 43.484293] RBP: 00007fc0a7217000 R08: 0000000000000000 R09: 0000000000000000 <4>[ 43.492556] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 <4>[ 43.500817] R13: ffff98cb0262ff10 R14: ffff98cb0262ff10 R15: ffff923742c5c000 <4>[ 43.509080] FS: 00007fc0a71e8580(0000) GS:ffff9237bad80000(0000) knlGS:0000000000000000 <4>[ 43.518404] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 43.525111] CR2: 00007fc0a7217000 CR3: 0000000104f42003 CR4: 00000000003706e0 <4>[ 43.533372] Call Trace: <4>[ 43.536394] ? __die_body.cold+0x1a/0x1f <4>[ 43.541064] ? no_context+0x177/0x380 <4>[ 43.545437] ? exc_page_fault+0x53/0x170 <4>[ 43.550107] ? asm_exc_page_fault+0x1e/0x30 <4>[ 43.555070] ? lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 <4>[ 43.560904] ? lkdtm_ACCESS_USERSPACE.cold+0x35/0xa3 <4>[ 43.566738] direct_entry.cold+0x2c/0x38 <4>[ 43.571410] full_proxy_write+0x53/0x80 <4>[ 43.575984] vfs_write+0xe7/0x3b0 <4>[ 43.579974] ksys_write+0x68/0xf0 <4>[ 43.583965] do_syscall_64+0x30/0x40 <4>[ 43.588246] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 43.594178] RIP: 0033:0x7fc0a70fe473 <4>[ 43.598458] 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>[ 43.619735] RSP: 002b:00007ffec3f54398 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 43.628482] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007fc0a70fe473 <4>[ 43.636744] RDX: 0000000000000011 RSI: 00007fc0a6ff2000 RDI: 0000000000000001 <4>[ 43.645004] RBP: 00007fc0a6ff2000 R08: 00007fc0a6ff1010 R09: 0000000000000000 <4>[ 43.653265] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 43.661526] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 hermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c<4>[ 43.669790] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc snd_soc_da7219 videobuf2_memops videobuf2_v4l2 cros_ec_chardev cros_usbpd_charger cros_usbpd_logger cros_ec_lightbar cros_ec_sysfs snd_soc_core cros_ec_sensorhub cros_ec_debugfs snd_compress 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>[ 43.728794] CR2: 00007fc0a7217000 <4>[ 43.732774] ---[ end trace 10d994e9f30da976 ]--- <4>[ 43.738211] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 43.742871] Code: 89 ff e8 5e d4 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 f0 7d 0b 03 <4>[ 43.764149] RSP: 0018:ffff98cb012dfe60 EFLAGS: 00010286 <4>[ 43.770266] RAX: ffffffff94d7bf00 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 43.778527] RDX: 0000000000000000 RSI: ffff9237bac9bf50 RDI: ffffffff95ef84b0 <4>[ 43.786788] RBP: ffffffff963e8e88 R08: 0000000000000001 R09: 0000000000000001 <4>[ 43.795051] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 43.803312] R13: ffff98cb012dff10 R14: ffff98cb012dff10 R15: ffff923742bf6000 <4>[ 43.811575] FS: 00007fc0a71e8580(0000) GS:ffff9237bad80000(0000) knlGS:0000000000000000 <4>[ 43.820905] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 43.827613] CR2: 00007fc0a7217000 CR3: 0000000104f42003 CR4: 00000000003706e0 i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_table # [ 39.040928] CR2: ffffffff97e33d40 # [ 39.044916] ---[ end trace 10d994e9f30da96f ]--- # [ 39.050363] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 39.055031] Code: 89 ff e8 5e d4 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 f0 7d 0b 03 # [ 39.076304] RSP: 0018:ffff98cb012dfe60 EFLAGS: 00010286 # [ 39.082430] RAX: ffffffff94d7bf00 RBX: 0000000000000001 RCX: 0000000000000000 # [ 39.090701] RDX: 0000000000000000 RSI: ffff9237bac9bf50 RDI: ffffffff95ef84b0 # [ 39.098961] RBP: ffffffff963e8e88 R08: 0000000000000001 R09: 0000000000000001 # [ 39.107223] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 39.115483] R13: ffff98cb012dff10 R14: ffff98cb012dff10 R15: ffff923742bf6000 # [ 39.123745] FS: 00007fe120ffe580(0000) GS:ffff9237bad80000(0000) knlGS:0000000000000000 # [ 39.133073] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 39.139782] CR2: ffffffff97e33d40 CR3: 0000000102df2006 CR4: 00000000003706e0 # [ 39.148044] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 39.158247] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1572, name: cat # [ 39.166992] INFO: lockdep is turned off. # [ 39.171660] irq event stamp: 0 # [ 39.175358] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 39.182650] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 39.192077] softirqs last enabled at (0)<6>[ 43.992535] lkdtm: Performing direct entry ACCESS_NULL <6>[ 44.003564] lkdtm: attempting bad read at 0000000000000000 : [] copy_process+0x65c/0x20e0 # [ 39.20150<1>[ 44.010048] BUG: kernel NULL pointer dereference, address: 0000000000000000 <1>[ 44.024271] #PF: supervisor read access in kernel mode 4] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ <1>[ 44.030301] #PF: error_code(0x0000) - not-present page <6>[ 44.042545] PGD 0 P4D 0 39.208786] CPU: 3 PID: 1572 Comm: cat Tainted: G D W <4>[ 44.045663] Oops: 0000 [#13] SMP PTI <4>[ 44.056158] CPU: 3 PID: 1867 Comm: cat Tainted: G D W 5.10.206-cip41 #1 <4>[ 44.065098] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 44.072198] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 <4>[ 44.077741] Code: c8 d7 fb ff be 00 10 00 00 48 89 ef e8 56 6d 0a ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 30 3c 38 96 e8 a2 d7 fb ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 58 3c 38 96 48 01 <4>[ 44.099016] RSP: 0018:ffff98cb026d7e58 EFLAGS: 00010246 <4>[ 44.105143] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 <4>[ 44.113396] RDX: 0000000000000000 RSI: ffff9237bad9bf50 RDI: ffff9237bad9bf50 <4>[ 44.121658] RBP: ffffffff96382d21 R08: 0000000000000000 R09: 0000000000000000 <4>[ 44.129918] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c <4>[ 44.138179] R13: ffff98cb026d7f10 R14: ffff98cb026d7f10 R15: ffff9237457d2000 <4>[ 44.146441] FS: 00007fa04684f580(0000) GS:ffff9237bad80000(0000) knlGS:0000000000000000 <4>[ 44.155769] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 44.162475] CR2: 0000000000000000 CR3: 0000000104034003 CR4: 00000000003706e0 <4>[ 44.170736] Call Trace: <4>[ 44.173755] ? __die_body.cold+0x1a/0x1f <4>[ 44.178426] ? no_context+0x177/0x380 <4>[ 44.182805] ? exc_page_fault+0x53/0x170 <4>[ 44.187476] ? asm_exc_page_fault+0x1e/0x30 <4>[ 44.192439] ? lkdtm_ACCESS_NULL+0x14/0x53 <4>[ 44.197302] ? lkdtm_ACCESS_NULL+0x14/0x53 <4>[ 44.202158] direct_entry.cold+0x2c/0x38 <4>[ 44.206827] full_proxy_write+0x53/0x80 <4>[ 44.211401] vfs_write+0xe7/0x3b0 <4>[ 44.215392] ksys_write+0x68/0xf0 <4>[ 44.219381] do_syscall_64+0x30/0x40 <4>[ 44.223672] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 44.229604] RIP: 0033:0x7fa046765473 <4>[ 44.233886] 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>[ 44.255165] RSP: 002b:00007ffc2ad6c158 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 44.263904] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fa046765473 <4>[ 44.272167] RDX: 000000000000000c RSI: 00007fa046659000 RDI: 0000000000000001 <4>[ 44.280429] RBP: 00007fa046659000 R08: 00007fa046658010 R09: 0000000000000000 <4>[ 44.288701] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 44.296963] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 5.10.206-cip41 #1 # [ 39.217729] Hardware name: Google Ra<4>[ 44.305228] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc snd_soc_da7219 videobuf2_memops videobuf2_v4l2 cros_ec_chardev cros_usbpd_charger cros_usbpd_logger cros_ec_lightbar cros_ec_sysfs snd_soc_core cros_ec_sensorhub cros_ec_debugfs snd_compress 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>[ 44.364229] CR2: 0000000000000000 <4>[ 44.368217] ---[ end trace 10d994e9f30da977 ]--- <4>[ 44.373668] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 44.378337] Code: 89 ff e8 5e d4 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 f0 7d 0b 03 <4>[ 44.399614] RSP: 0018:ffff98cb012dfe60 EFLAGS: 00010286 <4>[ 44.405731] RAX: ffffffff94d7bf00 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 44.413994] RDX: 0000000000000000 RSI: ffff9237bac9bf50 RDI: ffffffff95ef84b0 <4>[ 44.422254] RBP: ffffffff963e8e88 R08: 0000000000000001 R09: 0000000000000001 <4>[ 44.430517] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 44.438771] R13: ffff98cb012dff10 R14: ffff98cb012dff10 R15: ffff923742bf6000 <4>[ 44.447032] FS: 00007fa04684f580(0000) GS:ffff9237bad80000(0000) knlGS:0000000000000000 <4>[ 44.456362] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 44.463068] CR2: 0000000000000000 CR3: 0000000104034003 CR4: 00000000003706e0 <3>[ 44.471329] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 44.481534] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1867, name: cat <4>[ 44.490281] INFO: lockdep is turned off. <4>[ 44.494948] irq event stamp: 0 <4>[ 44.498646] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 44.505938] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 44.515366] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 44.524793] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 44.532084] CPU: 3 PID: 1867 Comm: cat Tainted: G D W 5.10.206-cip41 #1 <4>[ 44.541023] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 44.548120] Call Trace: <4>[ 44.551139] dump_stack+0x77/0x9b <4>[ 44.555129] ___might_sleep.cold+0xa6/0xb6 <4>[ 44.559994] exit_signals+0x1c/0x300 <4>[ 44.564276] do_exit+0xc2/0xab0 <4>[ 44.568063] ? ksys_write+0x68/0xf0 <4>[ 44.572248] make_task_dead+0x2f/0x30 <4>[ 44.576649] rewind_stack_and_make_dead+0x17/0x20 <4>[ 44.582190] RIP: 0033:0x7fa046765473 <4>[ 44.586470] 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>[ 44.607746] RSP: 002b:00007ffc2ad6c158 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 44.616494] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fa046765473 <4>[ 44.624755] RDX: 000000000000000c RSI: 00007fa046659000 RDI: 0000000000000001 <4>[ 44.633016] RBP: 00007fa046659000 R08: 00007fa046658010 R09: 0000000000000000 <4>[ 44.641277] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 44.649538] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 mmus/Rammus, BIOS 09/04/2020 # [ 39.224824] Call Trace: # [ 39.227843] dump_stack+0x77/0x9b # [ 39.231835] ___might_sleep.cold+0xa6/0xb6 # [ 39.236701] exit_signals+0x1c/0x300 # [ 39.240982] do_exit+0xc2/0xab0 # [ 39.244769] ? ksys_write+0x68/0xf0 # [ 39.248952] make_task_dead+0x2f/0x30 # [ 39.253323] rewind_stack_and_make_dead+0x17/0x20 # [ 39.258865] RIP: 0033:0x7fe120f14473 # [ 39.263144] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 39.284421] RSP: 002b:00007ffeac0b6658 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 39.293168] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fe120f14473 # [ 39.301431] RDX: 000000000000000a RSI: 00007fe120e08000 RDI: 0000000000000001 # [ 39.309695] RBP: 00007fe120e08000 R08: 00007fe120e07010 R09: 0000000000000000 # [ 39.317956] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 39.326218] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_DATA: saw 'call trace:': ok ok 30 selftests: lkdtm: EXEC_DATA.sh # selftests: lkdtm: EXEC_STACK.sh # Killed # [ 39.457556] lkdtm: Performing direct entry EXEC_STACK # [ 39.464765] lkdtm: attempting ok execution at ffffffff94d7c2d0 # [ 39.471607] lkdtm: attempting bad execution at ffff98cb022bfe18 # [ 39.47<6>[ 44.794698] lkdtm: Performing direct entry WRITE_RO <6>[ 44.806530] lkdtm: attempting bad rodata write at ffffffff95ef8930 <1>[ 44.813758] BUG: unable to handle page fault for address: ffffffff95ef8930 8527] kernel tried to execute NX-protected page - exploit attemp<1>[ 44.821737] #PF: supervisor write access in kernel mode <1>[ 44.834076] #PF: error_code(0x0003) - permissions violation <6>[ 44.840591] PGD 134a29067 P4D 134a29067 PUD 134a2a063 PMD 80000001342000e1 t? (uid: 0) # [ 39.487182] BUG: unable to handle page fault f<4>[ 44.848665] Oops: 0003 [#14] SMP PTI <4>[ 44.859158] CPU: 3 PID: 1903 Comm: cat Tainted: G D W 5.10.206-cip41 #1 <4>[ 44.868103] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 44.875195] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a or address: ffff98cb022bfe18 # [ 39.495151] #PF: supervisor i<4>[ 44.880447] Code: 00 48 c7 c7 10 3b 38 96 48 c7 c6 30 89 ef 95 e8 4c da fb ff 48 8b 05 d0 92 a9 00 ba 34 12 cd ab 48 c7 c7 40 3b 38 96 48 31 d0 <48> 89 05 ba 92 a9 00 e9 2a da fb ff 0f 1f 44 00 00 48 8b 05 c9 bc <4>[ 44.907938] RSP: 0018:ffff98cb0275fe60 EFLAGS: 00010202 <4>[ 44.914063] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 <4>[ 44.922324] RDX: 00000000abcd1234 RSI: ffff9237bad9bf50 RDI: ffffffff96383b40 <4>[ 44.930587] RBP: ffffffff96382d2d R08: 0000000000000000 R09: 0000000000000000 <4>[ 44.938847] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 <4>[ 44.947108] R13: ffff98cb0275ff10 R14: ffff98cb0275ff10 R15: ffff923742fcd000 <4>[ 44.955370] FS: 00007f23982b1580(0000) GS:ffff9237bad80000(0000) knlGS:0000000000000000 <4>[ 44.964702] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 44.971410] CR2: ffffffff95ef8930 CR3: 0000000106676006 CR4: 00000000003706e0 <4>[ 44.979672] Call Trace: <4>[ 44.982695] ? __die_body.cold+0x1a/0x1f <4>[ 44.987364] ? no_context+0x177/0x380 <4>[ 44.991733] ? exc_page_fault+0xd7/0x170 <4>[ 44.996402] ? asm_exc_page_fault+0x1e/0x30 <4>[ 45.001364] ? lkdtm_WRITE_RO+0x2e/0x3a <4>[ 45.005937] direct_entry.cold+0x2c/0x38 <4>[ 45.010606] full_proxy_write+0x53/0x80 <4>[ 45.015170] vfs_write+0xe7/0x3b0 <4>[ 45.019159] ksys_write+0x68/0xf0 <4>[ 45.023150] do_syscall_64+0x30/0x40 <4>[ 45.027429] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 45.033360] RIP: 0033:0x7f23981c7473 <4>[ 45.037649] 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>[ 45.058927] RSP: 002b:00007ffc67beee28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 45.067694] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f23981c7473 <4>[ 45.075945] RDX: 0000000000000009 RSI: 00007f23980bb000 RDI: 0000000000000001 <4>[ 45.084207] RBP: 00007f23980bb000 R08: 00007f23980ba010 R09: 0000000000000000 <4>[ 45.092468] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 45.100730] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 45.108995] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc snd_soc_da7219 videobuf2_memops videobuf2_v4l2 cros_ec_chardev cros_usbpd_charger cros_usbpd_logger cros_ec_lightbar cros_ec_sysfs snd_soc_core cros_ec_sensorhub cros_ec_debugfs snd_compress 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 nstruction fetch in kernel mode # [ 39.501762] #PF: error_cod<4>[ 45.161783] CR2: ffffffff95ef8930 <4>[ 45.171986] ---[ end trace 10d994e9f30da978 ]--- <4>[ 45.177431] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 45.182099] Code: 89 ff e8 5e d4 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 f0 7d 0b 03 <4>[ 45.203364] RSP: 0018:ffff98cb012dfe60 EFLAGS: 00010286 <4>[ 45.209488] RAX: ffffffff94d7bf00 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 45.217749] RDX: 0000000000000000 RSI: ffff9237bac9bf50 RDI: ffffffff95ef84b0 <4>[ 45.226012] RBP: ffffffff963e8e88 R08: 0000000000000001 R09: 0000000000000001 <4>[ 45.234272] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 45.242533] R13: ffff98cb012dff10 R14: ffff98cb012dff10 R15: ffff923742bf6000 <4>[ 45.250792] FS: 00007f23982b1580(0000) GS:ffff9237bad80000(0000) knlGS:0000000000000000 <4>[ 45.260122] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 45.266828] CR2: ffffffff95ef8930 CR3: 0000000106676006 CR4: 00000000003706e0 e(0x0011) - permissions violation # [ 39.508274] PGD 100000067 P4D 100000067 PUD 100248067 PMD 102dcc067 PTE 8000000103219063 # [ 39.517609] Oops: 0011 [#6] SMP PTI # [ 39.521792] CPU: 3 PID: 1609 Comm: cat Tainted: G D W 5.10.206-cip41 #1 # [ 39.530723] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 39.537821] RIP: 0010:0xffff98cb022bfe18 # [ 39.542489] Code: 00 00 18 fe 2b 02 cb 98 ff ff 30 f6 45 95 ff ff ff ff 20 00 00 00 00 00 00 00 c6 2c 38 96 ff ff ff ff 5f f7 45 95 ff ff ff ff <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 # [ 39.563765] RSP: 0018:ffff98cb022bfdf8 EFLAGS: 00010246 # [ 39.569891] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 39.578152] RDX: 0000000000000000 RSI: ffff9237bad9bf50 RDI: ffff9237bad9bf50 # [ 39.586414] RBP: ffff98cb022bfe18 R08: 0000000000000000 R09: 0000000000000000 # [ 39.594675] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 39.602955] R13: ffff98cb022bff10 R14: ffff98cb022bff10 R15: ffff923742f1b000 # [ 39.611217] FS: 00007f50a28be580(0000) GS:ffff9237bad80000(0000) knlGS:0000000000000000 # [ 39.620546] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 39.627254] CR2: ffff98cb022bfe18 CR3: 0000000102a0e003 CR4: 00000000003706e0 # [ 39.635516] Call Trace: # [ 39.638538] ? __die_body.cold+0x1a/0x1f # <6>[ 45.407769] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT [ 39.643208] ? no_context+0x177/0x380 # [ 39.647586] ? ex<6>[ 45.418793] lkdtm: attempting bad ro_after_init write at ffffffff9640b350 c_page_fault+0xd7/0x170 # [ 39.652257] ? asm_exc_page_fault+<1>[ 45.432894] BUG: unable to handle page fault for address: ffffffff9640b350 <1>[ 45.447073] #PF: supervisor write access in kernel mode <1>[ 45.453200] #PF: error_code(0x0003) - permissions violation 0x1e/0x30 # [ 39.657222] ? execute_location+0x45/0x56 # [ <6>[ 45.459724] PGD 134a29067 P4D 134a29067 PUD 134a2a063 PMD 10005e063 PTE 800000013480b061 <4>[ 45.475271] Oops: 0003 [#15] SMP PTI <4>[ 45.479555] CPU: 1 PID: 1939 Comm: cat Tainted: G D W 5.10.206-cip41 #1 <4>[ 45.488497] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 45.495588] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a 39.661986] ? lkdtm_EXEC_STACK+0x26/0x44 # [ 39.666753] ? d<4>[ 45.501908] Code: 3b 38 96 e9 fe d9 fb ff 48 c7 c7 98 3b 38 96 e8 f2 d9 fb ff 48 8b 05 96 bc fa 00 ba 34 12 cd ab 48 c7 c7 40 3b 38 96 48 31 d0 <48> 89 05 80 bc fa 00 e9 d0 d9 fb ff 0f 1f 44 00 00 41 54 48 c7 c7 <4>[ 45.529394] RSP: 0018:ffff98cb027ffe60 EFLAGS: 00010202 <4>[ 45.535518] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 <4>[ 45.543779] RDX: 00000000abcd1234 RSI: ffff9237bac9bf50 RDI: ffffffff96383b40 <4>[ 45.552039] RBP: ffffffff96382d36 R08: 0000000000000000 R09: 0000000000000000 <4>[ 45.560301] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 <4>[ 45.568560] R13: ffff98cb027fff10 R14: ffff98cb027fff10 R15: ffff923742be9000 <4>[ 45.576822] FS: 00007f8fd3a7f580(0000) GS:ffff9237bac80000(0000) knlGS:0000000000000000 <4>[ 45.586151] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 45.592850] CR2: ffffffff9640b350 CR3: 0000000102660005 CR4: 00000000003706e0 <4>[ 45.601110] Call Trace: <4>[ 45.604129] ? __die_body.cold+0x1a/0x1f irect_entry.cold+0x2c/0x38 # [ 39.671618] ? full_proxy_write<4>[ 45.608800] ? no_context+0x177/0x380 <4>[ 45.619392] ? exc_page_fault+0xd7/0x170 +0x53/0x80 # [ 39.676409] ? vfs_write+0xe7/0x3b0 # [ 39.6<4>[ 45.624063] ? asm_exc_page_fault+0x1e/0x30 <4>[ 45.635237] ? lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a 80594] ? ksys_write+0x68/0xf0 # [ 39.684778] ? do_syscall_6<4>[ 45.640877] direct_entry.cold+0x2c/0x38 <4>[ 45.651761] full_proxy_write+0x53/0x80 <4>[ 45.656336] vfs_write+0xe7/0x3b0 4+0x30/0x40 # [ 39.689253] ? entry_SYSCALL_64_after_hwframe+<4>[ 45.660327] ksys_write+0x68/0xf0 <4>[ 45.670530] do_syscall_64+0x30/0x40 <4>[ 45.674810] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 45.680740] RIP: 0033:0x7f8fd3995473 <4>[ 45.685020] 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>[ 45.706283] RSP: 002b:00007ffda796cb98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 45.715029] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f8fd3995473 <4>[ 45.723288] RDX: 0000000000000014 RSI: 00007f8fd3889000 RDI: 0000000000000001 <4>[ 45.731547] RBP: 00007f8fd3889000 R08: 00007f8fd3888010 R09: 0000000000000000 <4>[ 45.739806] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 45.748066] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0x62/0xc7 # [ 39.695381] Modules linked in: fuse ip_tables cr<4>[ 45.756331] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc snd_soc_da7219 videobuf2_memops videobuf2_v4l2 cros_ec_chardev cros_usbpd_charger cros_usbpd_logger cros_ec_lightbar cros_ec_sysfs snd_soc_core cros_ec_sensorhub cros_ec_debugfs snd_compress 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>[ 45.815290] CR2: ffffffff9640b350 <4>[ 45.819279] ---[ end trace 10d994e9f30da979 ]--- <4>[ 45.824727] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 45.829397] Code: 89 ff e8 5e d4 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 f0 7d 0b 03 <4>[ 45.850669] RSP: 0018:ffff98cb012dfe60 EFLAGS: 00010286 <4>[ 45.856794] RAX: ffffffff94d7bf00 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 45.865057] RDX: 0000000000000000 RSI: ffff9237bac9bf50 RDI: ffffffff95ef84b0 <4>[ 45.873319] RBP: ffffffff963e8e88 R08: 0000000000000001 R09: 0000000000000001 <4>[ 45.881580] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 45.889842] R13: ffff98cb012dff10 R14: ffff98cb012dff10 R15: ffff923742bf6000 <4>[ 45.898103] FS: 00007f8fd3a7f580(0000) GS:ffff9237bac80000(0000) knlGS:0000000000000000 <4>[ 45.907431] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 45.914140] CR2: ffffffff9640b350 CR3: 0000000102660005 CR4: 00000000003706e0 <3>[ 45.922400] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 <3>[ 45.932604] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1939, name: cat <4>[ 45.941351] INFO: lockdep is turned off. <4>[ 45.946019] irq event stamp: 0 <4>[ 45.949718] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 45.957002] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 45.966428] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 45.975855] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 45.983136] CPU: 1 PID: 1939 Comm: cat Tainted: G D W 5.10.206-cip41 #1 <4>[ 45.992077] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 45.999173] Call Trace: <4>[ 46.002191] dump_stack+0x77/0x9b os_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industriali<4>[ 46.006183] ___might_sleep.cold+0xa6/0xb6 <4>[ 46.017260] exit_signals+0x1c/0x300 <4>[ 46.021540] do_exit+0xc2/0xab0 <4>[ 46.025336] ? ksys_write+0x68/0xf0 <4>[ 46.029519] make_task_dead+0x2f/0x30 <4>[ 46.033899] rewind_stack_and_make_dead+0x17/0x20 <4>[ 46.039440] RIP: 0033:0x7f8fd3995473 <4>[ 46.043720] 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>[ 46.064984] RSP: 002b:00007ffda796cb98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 46.073733] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f8fd3995473 <4>[ 46.081994] RDX: 0000000000000014 RSI: 00007f8fd3889000 RDI: 0000000000000001 <4>[ 46.090254] RBP: 00007f8fd3889000 R08: 00007f8fd3888010 R09: 0000000000000000 <4>[ 46.098515] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 46.106774] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 o_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc snd_soc_da7219 videobuf2_memops videobuf2_v4l2 cros_ec_chardev cros_usbpd_charger cros_usbpd_logger cros_ec_lightbar cros_ec_sysfs snd_soc_core cros_ec_sensorhub cros_ec_debugfs snd_compress 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 # [ 39.754378] CR2: ffff98cb022bfe18 # [ 39.758367] ---[ end trace 10d994e9f30da970 ]--- # [ 39.763806] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 39.768475] Code: 89 ff e8 5e d4 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 f0 7d 0b 03 # [ 39.789753] RSP: 0018:ffff98cb012dfe60 EFLAGS: 00010286 # [ 39.802096] RAX: ffffffff94d7bf00 RBX: 0000000000000001 RCX: 0000000000000000 # [ 39.810361] RDX: 0000000000000000 RSI: ffff9237bac9bf50 RDI: ffffffff95ef84b0 # [ 39.818623] RBP: ffffffff963e8e88 R08: 0000000000000001 R09: 0000000000000001 # [ 39.826884] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 39.835145] R13: ffff98cb012dff10 R14: ffff98cb012dff10 R15: ffff923742bf6000 # [ 39.843406] FS: 00007f50a28be580(0000) GS:ffff9237bad80000(0000) knlGS:0000000000000000 # [ 39.852735] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 39.859441] CR2: ffff98cb022bfe18 CR3: 0000000102a0e003 CR4: 00000000003706e0 # EXEC_STACK: saw 'call trace:': ok ok 31 selftests: lkdtm: EXEC_STACK.sh # selftest<6>[ 46.264866] lkdtm: Performing direct entry WRITE_KERN s: lkdtm: EXEC_KMALLOC.sh # Killed # [ 39.973274] lkdtm: Per<6>[ 46.276501] lkdtm: attempting bad 7222026 byte write at ffffffff9545f5da forming direct entry EXEC_KMALLOC # [ 39.979540] lkdtm: attem<1>[ 46.290525] BUG: unable to handle page fault for address: ffffffff9545f5da <1>[ 46.304679] #PF: supervisor write access in kernel mode pting ok execution at ffffffff94d7c2d0 # [ 39.992566] lkdtm: <1>[ 46.310806] #PF: error_code(0x0003) - permissions violation at[ 46.323534] PGD 134a29067 P4D 134a29067 PUD 134a2a063 PMD 1338000e1 <4>[ 46.337145] Oops: 0003 [#16] SMP PTI <4>[ 46.341427] CPU: 1 PID: 1975 Comm: cat Tainted: G D W 5.10.206-cip41 #1 <4>[ 46.350371] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 46.357469] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e ernel tried to execute NX-protected page - exploit attempt? (uid<4>[ 46.362915] Code: 53 48 c7 c3 da f5 45 95 49 89 dc 48 89 da 49 81 ec d0 c2 d7 94 4c 89 e6 e8 a5 d9 fb ff 48 89 df 4c 89 e1 48 c7 c6 d0 c2 d7 94 a4 48 c7 c7 40 3b 38 96 e8 8a d9 fb ff 5b 41 5c e9 b7 fe ff ff <4>[ 46.390405] RSP: 0018:ffff98cb028bfe50 EFLAGS: 00010246 <4>[ 46.396530] RAX: 000000000000003c RBX: ffffffff9545f5da RCX: 00000000006e330a <4>[ 46.404792] RDX: 0000000000000000 RSI: ffffffff94d7c2d0 RDI: ffffffff9545f5da <4>[ 46.413053] RBP: ffffffff96382d4a R08: 0000000000000000 R09: 0000000000000000 <4>[ 46.421313] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000006e330a <4>[ 46.429575] R13: ffff98cb028bff10 R14: ffff98cb028bff10 R15: ffff9237465e0000 <4>[ 46.437836] FS: 00007fb899097580(0000) GS:ffff9237bac80000(0000) knlGS:0000000000000000 <4>[ 46.447162] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 46.453868] CR2: ffffffff9545f5da CR3: 0000000106676004 CR4: 00000000003706e0 <4>[ 46.462130] Call Trace: <4>[ 46.465150] ? __die_body.cold+0x1a/0x1f : 0) # [ 40.020549] BUG: unable to handle page fault for addr<4>[ 46.469823] ? no_context+0x177/0x380 <4>[ 46.480412] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 <4>[ 46.486151] ? exc_page_fault+0xd7/0x170 <4>[ 46.490821] ? asm_exc_page_fault+0x1e/0x30 <4>[ 46.495781] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 <4>[ 46.501521] ? lkdtm_SLAB_FREE_PAGE+0x40/0x40 ess: ffff92374298bd80 # [ 40.028520] #PF: supervisor instruct<4>[ 46.506696] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 <4>[ 46.518670] ? lkdtm_WRITE_KERN+0x38/0x4e <4>[ 46.523437] direct_entry.cold+0x2c/0x38 <4>[ 46.528108] full_proxy_write+0x53/0x80 ion fetch in kernel mode # [ 40.035130] #PF: error_code(0x001<4>[ 46.532697] vfs_write+0xe7/0x3b0 <4>[ 46.542885] ksys_write+0x68/0xf0 <4>[ 46.546875] do_syscall_64+0x30/0x40 <4>[ 46.551154] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 46.557085] RIP: 0033:0x7fb898fad473 <4>[ 46.561364] 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>[ 46.582647] RSP: 002b:00007ffd92e5c478 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 46.591394] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007fb898fad473 <4>[ 46.599654] RDX: 000000000000000b RSI: 00007fb898ea1000 RDI: 0000000000000001 <4>[ 46.607915] RBP: 00007fb898ea1000 R08: 00007fb898ea0010 R09: 0000000000000000 <4>[ 46.616176] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 46.624437] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 1) - permissions violation # [ 40.041648] PGD 136401067 P4D 1<4>[ 46.632704] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc snd_soc_da7219 videobuf2_memops videobuf2_v4l2 cros_ec_chardev cros_usbpd_charger cros_usbpd_logger cros_ec_lightbar cros_ec_sysfs snd_soc_core cros_ec_sensorhub cros_ec_debugfs snd_compress 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>[ 46.691664] CR2: ffffffff9545f5da <4>[ 46.695653] ---[ end trace 10d994e9f30da97a ]--- <4>[ 46.701099] RIP: 0010:lkdtm_BUG+0x5/0x10 <4>[ 46.705766] Code: 89 ff e8 5e d4 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 f0 7d 0b 03 <4>[ 46.727041] RSP: 0018:ffff98cb012dfe60 EFLAGS: 00010286 <4>[ 46.733164] RAX: ffffffff94d7bf00 RBX: 0000000000000001 RCX: 0000000000000000 <4>[ 46.741427] RDX: 0000000000000000 RSI: ffff9237bac9bf50 RDI: ffffffff95ef84b0 <4>[ 46.749696] RBP: ffffffff963e8e88 R08: 0000000000000001 R09: 0000000000000001 <4>[ 46.757957] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 46.766217] R13: ffff98cb012dff10 R14: ffff98cb012dff10 R15: ffff923742bf6000 <4>[ 46.774479] FS: 00007fb899097580(0000) GS:ffff9237bac80000(0000) knlGS:0000000000000000 <4>[ 46.783801] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 46.790508] CR2: ffffffff9545f5da CR3: 0000000106676004 CR4: 00000000003706e0 36401067 PUD 10024b063 PMD 106355063 PTE 800000010298b063 # [ 40.050985] Oops: 0011 [#7] SMP PTI # [ 40.061381] CPU: 1 PID: 1647 Comm: cat Tainted: G D W 5.10.206-cip41 #1 # [ 40.070322] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 40.077420] RIP: 0010:0xffff92374298bd80 # [ 40.082089] Code: ad de 80 87 15 46 37 92 ff ff 80 bc 98 42 37 92 ff ff 00 00 00 00 00 00 00 00 00 00 00 00 40 00 38 00 09 00 40 00 18 00 17 00 <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 # [ 40.103366] RSP: 0018:ffff98cb0232fe38 EFLAGS: 00010246 # [ 40.109492] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 40.117753] RDX: 0000000000000000 RSI: ffff9237bac9bf50 RDI: ffff9237bac9bf50 # [ 40.126012] RBP: ffff92374298bd80 R08: 0000000000000000 R09: 0000000000000000 # [ 40.134275] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 40.142537] R13: ffff98cb0232ff10 R14: ffff98cb0232ff10 R15: ffff92374623f000 # [ 40.150799] FS: 00007f396332c580(0000) GS:ffff9237bac80000(0000) knlGS:0000000000000000 # [ 40.160128] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 40.166835] CR2: ffff92374298bd80 CR3: 0000000102dae003 CR4: 00000000003706e0 # [ 40.175096] Call Trace: # [ 40.178116] ? __die_body.cold+0x1a/0x1f # [ 40.182787] ? no_context+0x177/0x380 # [ 40.193378] ? exc_page_fault+0xd7/0x170 # [ 40.198049] ? asm_exc_page_fault+0x1e/0x30 # [ 40.209226] ? execute_location+0x45/0x56 # [ 40.220<6>[ 46.942453] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW 210] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 # [ 40.225169] ? direct<6>[ 46.955014] lkdtm: attempting good refcount_inc() without overflow _entry.cold+0x2c/0x38 # [ 40.230033] ? full_proxy_write+0x53<6>[ 46.968414] lkdtm: attempting bad refcount_inc() overflow /0x80 # [ 40.234802] ? vfs_write+0xe7/0x3b0 # [ 40.238986<4>[ 46.980981] ------------[ cut here ]------------ ] ? ksys_write+0x68/0xf0 # [ 40.243170] ? do_syscall_64+0x3<4>[ 46.992675] refcount_t: saturated; leaking memory. 0/0x40 # [ 40.247649] ? entry_SYSCALL_64_after_hwframe+0x62/<4>[ 47.004570] WARNING: CPU: 0 PID: 2011 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 0xc7 # [ 40.253777] Modules linked in: fuse ip_tables cros_ec<4>[ 47.020489] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc snd_soc_da7219 videobuf2_memops videobuf2_v4l2 cros_ec_chardev cros_usbpd_charger cros_usbpd_logger cros_ec_lightbar cros_ec_sysfs snd_soc_core cros_ec_sensorhub cros_ec_debugfs snd_compress 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 _lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_tri<4>[ 47.079485] CPU: 0 PID: 2011 Comm: cat Tainted: G D W 5.10.206-cip41 #1 ggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc <4>[ 47.094662] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 snd_soc_da7219 videobuf2_memops videobuf2_v4l2 cros_ec_chardev c<4>[ 47.107998] RIP: 0010:refcount_warn_saturate+0x51/0x110 ros_usbpd_charger cros_usbpd_logger cros_ec_lightbar cros_ec_sys<4>[ 47.120390] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 39 fa 16 02 00 75 ee 48 c7 c7 48 d9 2d 96 c6 05 29 fa 16 02 01 e8 09 f0 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 15 fa 16 02 00 75 cb 48 c7 c7 70 d9 2d fs snd_soc_core cros_ec_sensorhub cros_ec_debugfs snd_compress g<4>[ 47.147862] RSP: 0018:ffff98cb0295fe48 EFLAGS: 00010286 smi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2<4>[ 47.160239] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 _common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backli<4>[ 47.174708] RDX: ffff9237bac2c620 RSI: ffff9237bac1bf50 RDI: ffff9237bac1bf50 ght chromeos_pstore coreboot_table # [ 40.312739] CR2: ffff92<4>[ 47.189225] RBP: ffffffff96382d55 R08: 0000000000000000 R09: 0000000000000000 374298bd80 # [ 40.316730] ---[ end trace 10d994e9f30da971 ]--<4>[ 47.203714] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 - # [ 40.328390] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 40.33306<4>[ 47.218168] R13: ffff98cb0295ff10 R14: ffff98cb0295ff10 R15: ffff92374317b000 0] Code: 89 ff e8 5e d4 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c<4>[ 47.232695] FS: 00007f7b0ea8a580(0000) GS:ffff9237bac00000(0000) knlGS:0000000000000000 0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44<4>[ 47.248268] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 f<4>[ 47.261165] CR2: 00007f7b0e894000 CR3: 0000000103116002 CR4: 00000000003706f0 0 7d 0b 03 # [ 40.354337] RSP: 0018:ffff98cb012dfe60 EFLAGS: <4>[ 47.275687] Call Trace: 00010286 # [ 40.360464] RAX: ffffffff94d7bf00 RBX: 0000000000<4>[ 47.284875] ? __warn+0x80/0x110 000001 RCX: 0000000000000000 # [ 40.368726] RDX: 000000000000<4>[ 47.294994] ? refcount_warn_saturate+0x51/0x110 0000 RSI: ffff9237bac9bf50 RDI: ffffffff95ef84b0 # [ 40.37698<4>[ 47.306694] ? report_bug+0x9e/0xc0 9] RBP: ffffffff963e8e88 R08: 0000000000000001 R09: 000000000000<4>[ 47.317090] ? handle_bug+0x41/0x90 0001 # [ 40.385250] R10: 00000000ffffe000 R11: 3fffffffffffff<4>[ 47.327487] ? exc_invalid_op+0x14/0x70 ff R12: 0000000000000004 # [ 40.393511] R13: ffff98cb012dff10<4>[ 47.338288] ? asm_exc_invalid_op+0x12/0x20 R14: ffff98cb012dff10 R15: ffff923742bf6000 # [ 40.401772] F<4>[ 47.349463] ? refcount_warn_saturate+0x51/0x110 S: 00007f396332c580(0000) GS:ffff9237bac80000(0000) knlGS:00000<4>[ 47.361136] ? refcount_warn_saturate+0x51/0x110 00000000000 # [ 40.411103] CS: 0010 DS: 0000 ES: 0000 CR0: 0<4>[ 47.372794] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 000000080050033 # [ 40.417811] CR2: ffff92374298bd80 CR3: 000<4>[ 47.384700] direct_entry.cold+0x2c/0x38 0000102dae003 CR4: 00000000003706e0 # [ 40.426073] BUG: sleep<4>[ 47.395565] full_proxy_write+0x53/0x80 ing function called from invalid context at include/linux/percpu<4>[ 47.406366] vfs_write+0xe7/0x3b0 -rwsem.h:49 # [ 40.436279] in_atomic(): 0, irqs_disabled(): 1<4>[ 47.416562] ksys_write+0x68/0xf0 , non_block: 0, pid: 1647, name: cat # [ 40.445026] INFO: loc<4>[ 47.426789] do_syscall_64+0x30/0x40 kdep is turned off. # [ 40.449699] irq event stamp: 0 # [ <4>[ 47.437274] entry_SYSCALL_64_after_hwframe+0x62/0xc7 40.453396] hardirqs last enabled at (0): [<0000000000000000>] 0<4>[ 47.449448] RIP: 0033:0x7f7b0e9a0473 x0 # [ 40.460700] hardirqs last disabled at (0): [[ 47.459931] 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 2fd6cc>] copy_process+0x65c/0x20e0 # [ 40.470133] softirqs la<4>[ 47.487455] RSP: 002b:00007ffe031dff38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 st enabled at (0): [] copy_process+0x65c/0x20<4>[ 47.502402] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f7b0e9a0473 e0 # [ 40.485775] softirqs last disabled at (0): [<0000000000<4>[ 47.516898] RDX: 0000000000000016 RSI: 00007f7b0e894000 RDI: 0000000000000001 000000>] 0x0 # [ 40.493067] CPU: 1 PID: 1647 Comm: cat Tainte<4>[ 47.531368] RBP: 00007f7b0e894000 R08: 00007f7b0e893010 R09: 0000000000000000 d: G D W 5.10.206-cip41 #1 # [ 40.501999] Hardwa<4>[ 47.545889] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 re name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 40.509094<4>[ 47.560330] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ] Call Trace: # [ 40.512115] dump_stack+0x77/0x9b # [ 40.<4>[ 47.574839] irq event stamp: 0 516107] ___might_sleep.cold+0xa6/0xb6 # [ 40.527182] exit_s<4>[ 47.584736] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ignals+0x1c/0x300 # [ 40.531463] do_exit+0xc2/0xab0 # [ 4<4>[ 47.598261] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 0.541475] ? ksys_write+0x68/0xf0 # [ 40.545662] make_task_d<4>[ 47.613894] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 ead+0x2f/0x30 # [ 40.556253] rewind_stack_and_make_dead+0x17<4>[ 47.629582] softirqs last disabled at (0): [<0000000000000000>] 0x0 /0x20 # [ 40.561786] RIP: 0033:0x7f3963242473 # [ 40.56606<4>[ 47.643052] ---[ end trace 10d994e9f30da97b ]--- 7] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff e<6>[ 47.654772] lkdtm: Overflow detected: saturated b b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 40.587335] RSP: 002b:00007ffd450f39b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 40.596083] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f3963242473 # [ 40.604344] RDX: 000000000000000d RSI: 00007f3963136000 RDI: 0000000000000001 # [ 40.612606] RBP: 00007f3963136000 R08: 00007f3963135010 R09: 0000000000000000 # [ 40.620869] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 40.629131] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_KMALLOC: saw 'call trace:': ok ok 32 selftests: lkdtm: EXEC_KMALLOC.sh # selftests: lkdtm: EXEC_VMALLOC.sh # Killed # [ 40.746035] lkdtm: Performing direct entry EXEC_VMALLOC # [ 40.755407] lkdtm: attempting ok execution at ffffffff94d7c2d0 # [ 40.768429] lkdtm: attempting bad execution at ffff98cb00375000 # [ 40.781552] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 40.796416] BUG: unable to handle page fault for address: ffff98cb00375000 # [ 40.804389] #PF: supervisor instruction fetch in kernel mode # [ 40.817215] #PF: error_code(0x0011) - permissions violation # [ 40.823731] PGD 100000067 P4D 100000067 PUD 100248067 PMD 1009af067 PTE 8000000102788063 # [ 40.839281] Oops: 0011 [#8] SMP PTI # [ 40.843465] CPU: 1 PID: 1684 Comm: cat Tainted: G D W 5.10.206-cip41 #1 # [ 40.852408] Hardware nam<6>[ 47.814755] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW e: Google Rammus/Rammus, BIOS 09/04/2020 # [ 40.859506] RIP:<6>[ 47.822450] lkdtm: attempting good refcount_add() without overflow 0010:0xffff98cb00375000 # [ 40.864175] Code: Unable to acces<6>[ 47.835865] lkdtm: attempting bad refcount_add() overflow s opcode bytes at RIP 0xffff98cb00374fd6. # [ 40.872144] RSP:<4>[ 47.848432] ------------[ cut here ]------------ 0018:ffff98cb023cfe38 EFLAGS: 00010246 # [ 40.878268] RAX: 0<4>[ 47.860117] refcount_t: saturated; leaking memory. 000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [<4>[ 47.872002] WARNING: CPU: 0 PID: 2044 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 40.886530] RDX: 0000000000000000 RSI: ffff9237bac9bf50 RDI: f<4>[ 47.887927] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc snd_soc_da7219 videobuf2_memops videobuf2_v4l2 cros_ec_chardev cros_usbpd_charger cros_usbpd_logger cros_ec_lightbar cros_ec_sysfs snd_soc_core cros_ec_sensorhub cros_ec_debugfs snd_compress 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 fff9237bac9bf50 # [ 40.894791] RBP: ffff98cb00375000 R08: 000<4>[ 47.946894] CPU: 0 PID: 2044 Comm: cat Tainted: G D W 5.10.206-cip41 #1 0000000000000 R09: 0000000000000000 # [ 40.903053] R10: 00000<4>[ 47.962048] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 4<4>[ 47.975386] RIP: 0010:refcount_warn_saturate+0x51/0x110 0.911316] R13: ffff98cb023cff10 R14: ffff98cb023cff10 R15: ffff9<4>[ 47.987750] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 39 fa 16 02 00 75 ee 48 c7 c7 48 d9 2d 96 c6 05 29 fa 16 02 01 e8 09 f0 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 15 fa 16 02 00 75 cb 48 c7 c7 70 d9 2d 23742788000 # [ 40.919579] FS: 00007f7b0e120580(0000) GS:fff<4>[ 48.015232] RSP: 0018:ffff98cb02a0fe48 EFLAGS: 00010286 f9237bac80000(0000) knlGS:0000000000000000 # [ 40.928901] CS:<4>[ 48.027603] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 40.935607]<4>[ 48.042068] RDX: ffff9237bac2c620 RSI: ffff9237bac1bf50 RDI: ffff9237bac1bf50 CR2: ffff98cb00374fd6 CR3: 000000010404e004 CR4: 00000000003706<4>[ 48.056574] RBP: ffffffff96382d6b R08: 0000000000000000 R09: 0000000000000000 e0 # [ 40.943868] Call Trace: # [ 40.946888] ? __die_body<4>[ 48.071033] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 .cold+0x1a/0x1f # [ 40.957776] ? no_context+0x177/0x380 # [<4>[ 48.085529] R13: ffff98cb02a0ff10 R14: ffff98cb02a0ff10 R15: ffff92374330d000 40.962157] ? exc_page_fault+0xd7/0x170 # [ 40.966828] ? <4>[ 48.099998] FS: 00007fb5bbef9580(0000) GS:ffff9237bac00000(0000) knlGS:0000000000000000 asm_exc_page_fault+0x1e/0x30 # [ 40.978007] ? execute_locati<4>[ 48.115570] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 on+0x45/0x56 # [ 40.988991] ? lkdtm_EXEC_VMALLOC+0x20/0x30 <4>[ 48.128486] CR2: 00007fb5bbd03000 CR3: 000000010404e006 CR4: 00000000003706f0 # [ 40.993951] ? direct_entry.cold+0x2c/0x38 # [ 40.998816<4>[ 48.142987] Call Trace: ] ? full_proxy_write+0x53/0x80 # [ 41.003584] ? vfs_write+0<4>[ 48.152215] ? __warn+0x80/0x110 xe7/0x3b0 # [ 41.007769] ? ksys_write+0x68/0xf0 # [ 41.01<4>[ 48.162348] ? refcount_warn_saturate+0x51/0x110 1953] ? do_syscall_64+0x30/0x40 # [ 41.016428] ? entry_SYSC<4>[ 48.173995] ? report_bug+0x9e/0xc0 ALL_64_after_hwframe+0x62/0xc7 # [ 41.022557] Modules linked <4>[ 48.184421] ? handle_bug+0x41/0x90 in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sen<4>[ 48.194808] ? exc_invalid_op+0x14/0x70 sors_core industrialio_triggered_buffer kfifo_buf industrialio u<4>[ 48.205626] ? asm_exc_invalid_op+0x12/0x20 vcvideo videobuf2_vmalloc snd_soc_da7219 videobuf2_memops videob<4>[ 48.216796] ? refcount_warn_saturate+0x51/0x110 uf2_v4l2 cros_ec_chardev cros_usbpd_charger cros_usbpd_logger cr<4>[ 48.228459] ? refcount_warn_saturate+0x51/0x110 os_ec_lightbar cros_ec_sysfs snd_soc_core cros_ec_sensorhub cros<4>[ 48.240116] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 _ec_debugfs snd_compress gsmi x86_pkg_temp_thermal cros_ec_dev s<4>[ 48.251988] direct_entry.cold+0x2c/0x38 nd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros_usbpd_<4>[ 48.262859] full_proxy_write+0x53/0x80 notify cros_kbd_led_backlight chromeos_pstore coreboot_table # <4>[ 48.273661] vfs_write+0xe7/0x3b0 [ 41.081520] CR2: ffff98cb00375000 # [ 41.085508] ---[ end <4>[ 48.283856] ksys_write+0x68/0xf0 trace 10d994e9f30da972 ]--- # [ 41.090953] RIP: 0010:lkdtm_BU<4>[ 48.294111] do_syscall_64+0x30/0x40 G+0x5/0x10 # [ 41.095637] Code: 89 ff e8 5e d4 79 ff 48 c7 c0<4>[ 48.304579] entry_SYSCALL_64_after_hwframe+0x62/0xc7 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 <4>[ 48.316738] RIP: 0033:0x7fb5bbe0f473 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00<4>[ 48.327235] 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 00 0f 1f 44 00 00 83 05 f0 7d 0b 03 # [ 41.116924] RSP: 0018<4>[ 48.354771] RSP: 002b:00007ffc12cc47d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 :ffff98cb012dfe60 EFLAGS: 00010286 # [ 41.129263] RAX: ffffff<4>[ 48.369710] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fb5bbe0f473 ff94d7bf00 RBX: 0000000000000001 RCX: 0000000000000000 # [ 41<4>[ 48.384208] RDX: 0000000000000016 RSI: 00007fb5bbd03000 RDI: 0000000000000001 .137525] RDX: 0000000000000000 RSI: ffff9237bac9bf50 RDI: ffffff<4>[ 48.398678] RBP: 00007fb5bbd03000 R08: 00007fb5bbd02010 R09: 0000000000000000 ff95ef84b0 # [ 41.145788] RBP: ffffffff963e8e88 R08: 00000000<4>[ 48.413173] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 00000001 R09: 0000000000000001 # [ 41.154050] R10: 00000000ff<4>[ 48.427638] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 41.162<4>[ 48.442141] irq event stamp: 0 312] R13: ffff98cb012dff10 R14: ffff98cb012dff10 R15: ffff923742<4>[ 48.452039] hardirqs last enabled at (0): [<0000000000000000>] 0x0 bf6000 # [ 41.170573] FS: 00007f7b0e120580(0000) GS:ffff9237<4>[ 48.465564] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 bac80000(0000) knlGS:0000000000000000 # [ 41.179903] CS: 001<4>[ 48.481197] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 0 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 41.186611] CR2:<4>[ 48.496851] softirqs last disabled at (0): [<0000000000000000>] 0x0 ffff98cb00374fd6 CR3: 000000010404e004 CR4: 00000000003706e0 #<4>[ 48.510360] ---[ end trace 10d994e9f30da97c ]--- EXEC_VMALLOC: saw 'call trace:': ok ok 33 selftests: lkdtm: EX<6>[ 48.522042] lkdtm: Overflow detected: saturated EC_VMALLOC.sh # selftests: lkdtm: EXEC_RODATA.sh # Killed # [ 41.298270] lkdtm: Performing direct entry EXEC_RODATA # [ 41.306574] lkdtm: attempting ok execution at ffffffff94d7c2d0 # [ 41.313391] lkdtm: attempting bad execution at ffffffff95ef8940 # [ 41.320318] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 41.328976] BUG: unable to handle page fault for address: ffffffff95ef8940 # [ 41.343165] #PF: supervisor instruction fetch in kernel mode # [ 41.349778] #PF: error_code(0x0011) - permissions violation # [ 41.356284] PGD 134a29067 P4D 134a29067 PUD 134a2a063 PMD 80000001342000e1 # [ 41.364359] Oops: 0011 [#9] SMP PTI # [ 41.374756] CPU: 3 PID: 1721 Comm: cat Tainted: G D W 5.10.206-cip41 #1 # [ 41.383698] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 41.397012] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 # [ 41.403042] Code: ff ff cf 0b 46 95 ff ff ff ff 12 2f 38 96 ff ff ff ff 15 f3 45 95 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 # [ 41.424308] RSP: 0018:ffff98cb0244fe48 EFLAGS: 00010246 # [ 41.430432] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 41.438696] RDX: 0000000000000000 RSI: ffff9237bad9bf50 RDI: ffff9237bad9bf50 # [ 41.446958] RBP: ffffffff95ef8940 R08: 0000000000000000 R09: 0000000000000000 # [ 41.455220] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 41.463482] R13: ffff98cb0244ff10 R14: ffff98cb0244ff10 R15: ffff9237460f8000 # [ 41.471744] FS: 00007fe25d9ba580(0000) GS:ffff9237bad80000(0000) knlGS:0000000000000000 # [ 41.481073] CS: <6>[ 48.695216] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 41.487780] C<6>[ 48.709372] lkdtm: attempting bad refcount_inc_not_zero() overflow R2: ffffffff95ef8940 CR3: 000000010317e006 CR4: 00000000003706e0<4>[ 48.722787] ------------[ cut here ]------------ # [ 41.496041] Call Trace: # [ 41.499062] ? __die_body.c<4>[ 48.734455] refcount_t: saturated; leaking memory. old+0x1a/0x1f # [ 41.503734] ? no_context+0x177/0x380 # [ <4>[ 48.746353] WARNING: CPU: 0 PID: 2077 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 41.508114] ? exc_page_fault+0xd7/0x170 # [ 41.512781] ? as<4>[ 48.762275] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc snd_soc_da7219 videobuf2_memops videobuf2_v4l2 cros_ec_chardev cros_usbpd_charger cros_usbpd_logger cros_ec_lightbar cros_ec_sysfs snd_soc_core cros_ec_sensorhub cros_ec_debugfs snd_compress 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 m_exc_page_fault+0x1e/0x30 # [ 41.517745] ? execute_location<4>[ 48.821235] CPU: 0 PID: 2077 Comm: cat Tainted: G D W 5.10.206-cip41 #1 +0x45/0x56 # [ 41.522513] ? direct_entry.cold+0x2c/0x38 # [<4>[ 48.836414] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 41.527379] ? full_proxy_write+0x53/0x80 # [ 41.538358] ?<4>[ 48.849775] RIP: 0010:refcount_warn_saturate+0x97/0x110 vfs_write+0xe7/0x3b0 # [ 41.542543] ? ksys_write+0x68/0xf0 <4>[ 48.862111] Code: 02 01 e8 e6 ef c5 00 0f 0b c3 cc cc cc cc 80 3d f4 f9 16 02 00 75 a8 48 c7 c7 48 d9 2d 96 c6 05 e4 f9 16 02 01 e8 c3 ef c5 00 <0f> 0b c3 cc cc cc cc 80 3d ce f9 16 02 00 75 85 48 c7 c7 a0 d9 2d # [ 41.546726] ? do_syscall_64+0x30/0x40 # [ 41.551193] <4>[ 48.889698] RSP: 0018:ffff98cb02a7fe38 EFLAGS: 00010282 ? entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 41.557321] Mod<4>[ 48.902045] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 ules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors<4>[ 48.916506] RDX: ffff9237bac2c620 RSI: ffff9237bac1bf50 RDI: ffff9237bac1bf50 cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf in<4>[ 48.931016] RBP: ffffffff963829a8 R08: 0000000000000000 R09: 0000000000000000 dustrialio uvcvideo videobuf2_vmalloc snd_soc_da7219 videobuf2_m<4>[ 48.945516] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f emops videobuf2_v4l2 cros_ec_chardev cros_usbpd_charger cros_usb<4>[ 48.960031] R13: ffff98cb02a7ff10 R14: ffff98cb02a7ff10 R15: ffff923746077000 pd_logger cros_ec_lightbar cros_ec_sysfs snd_soc_core cros_ec_se<4>[ 48.974524] FS: 00007fb4a741b580(0000) GS:ffff9237bac00000(0000) knlGS:0000000000000000 nsorhub cros_ec_debugfs snd_compress gsmi x86_pkg_temp_thermal c<4>[ 48.990121] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 ros_ec_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid<4>[ 49.003054] CR2: 00007fb4a7225000 CR3: 0000000102cac002 CR4: 00000000003706f0 cros_usbpd_notify cros_kbd_led_backlight chromeos_pstore corebo<4>[ 49.017570] Call Trace: ot_table # [ 41.616322] CR2: ffffffff95ef8940 # [ 41.62031<4>[ 49.026847] ? __warn+0x80/0x110 0] ---[ end trace 10d994e9f30da973 ]--- # [ 41.625757] RIP: 0<4>[ 49.036988] ? refcount_warn_saturate+0x97/0x110 010:lkdtm_BUG+0x5/0x10 # [ 41.630425] Code: 89 ff e8 5e d4 79<4>[ 49.048685] ? report_bug+0x9e/0xc0 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc <4>[ 49.059139] ? handle_bug+0x41/0x90 cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84<4>[ 49.069532] ? exc_invalid_op+0x14/0x70 00 00 00 00 00 0f 1f 44 00 00 83 05 f0 7d 0b 03 # [ 41.65171<4>[ 49.080387] ? asm_exc_invalid_op+0x12/0x20 0] RSP: 0018:ffff98cb012dfe60 EFLAGS: 00010286 # [ 41.657835]<4>[ 49.091543] ? refcount_warn_saturate+0x97/0x110 RAX: ffffffff94d7bf00 RBX: 0000000000000001 RCX: 00000000000000<4>[ 49.103196] ? refcount_warn_saturate+0x97/0x110 00 # [ 41.666096] RDX: 0000000000000000 RSI: ffff9237bac9bf50<4>[ 49.114933] __refcount_add_not_zero.constprop.0+0x2a/0x35 RDI: ffffffff95ef84b0 # [ 41.674358] RBP: ffffffff963e8e88 R<4>[ 49.127572] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 08: 0000000000000001 R09: 0000000000000001 # [ 41.682637] R10<4>[ 49.140357] direct_entry.cold+0x2c/0x38 : 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 <4>[ 49.151262] full_proxy_write+0x53/0x80 # [ 41.690906] R13: ffff98cb012dff10 R14: ffff98cb012dff10 R15<4>[ 49.162069] vfs_write+0xe7/0x3b0 : ffff923742bf6000 # [ 41.705381] FS: 00007fe25d9ba580(0000)<4>[ 49.172298] ksys_write+0x68/0xf0 GS:ffff9237bad80000(0000) knlGS:0000000000000000 # [ 41.7147<4>[ 49.182503] do_syscall_64+0x30/0x40 10] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 41.<4>[ 49.193079] entry_SYSCALL_64_after_hwframe+0x62/0xc7 721418] CR2: ffffffff95ef8940 CR3: 000000010317e006 CR4: 0000000<4>[ 49.205253] RIP: 0033:0x7fb4a7331473 0003706e0 # [ 41.729680] BUG: sleeping function called from i<4>[ 49.215805] 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 nvalid context at include/linux/percpu-rwsem.h:49 # [ 41.7398<4>[ 49.243284] RSP: 002b:00007fff94711c98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 84] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1721,<4>[ 49.258269] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fb4a7331473 name: cat # [ 41.748649] INFO: lockdep is turned off. # [ <4>[ 49.272724] RDX: 000000000000001f RSI: 00007fb4a7225000 RDI: 0000000000000001 41.753308] irq event stamp: 0 # [ 41.757007] hardirqs last <4>[ 49.287196] RBP: 00007fb4a7225000 R08: 00007fb4a7224010 R09: 0000000000000000 enabled at (0): [<0000000000000000>] 0x0 # [ 41.764291] hardi<4>[ 49.301667] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 rqs last disabled at (0): [] copy_process+0x65<4>[ 49.316182] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 c/0x20e0 # [ 41.773719] softirqs last enabled at (0): [[ 49.330666] irq event stamp: 0 ffff942fd6cc>] copy_process+0x65c/0x20e0 # [ 41.783144] softi<4>[ 49.340601] hardirqs last enabled at (0): [<0000000000000000>] 0x0 rqs last disabled at (0): [<0000000000000000>] 0x0 # [ 41.790<4>[ 49.354104] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 436] CPU: 3 PID: 1721 Comm: cat Tainted: G D W 5.10<4>[ 49.369713] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 .206-cip41 #1 # [ 41.799368] Hardware name: Google Rammus/Ram<4>[ 49.385402] softirqs last disabled at (0): [<0000000000000000>] 0x0 mus, BIOS 09/04/2020 # [ 41.806463] Call Trace: # [ 41.80<4>[ 49.398905] ---[ end trace 10d994e9f30da97d ]--- 9484] dump_stack+0x77/0x9b # [ 41.813475] ___might_sleep.co<6>[ 49.410593] lkdtm: Overflow detected: saturated ld+0xa6/0xb6 # [ 41.818340] exit_signals+0x1c/0x300 # [ 41.822638] do_exit+0xc2/0xab0 # [ 41.826435] ? ksys_write+0x68/0xf0 # [ 41.836830] make_task_dead+0x2f/0x30 # [ 41.841207] rewind_stack_and_make_dead+0x17/0x20 # [ 41.846749] RIP: 0033:0x7fe25d8d0473 # [ 41.851028] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 41.872305] RSP: 002b:00007fffab1768f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 41.881055] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fe25d8d0473 # [ 41.889317] RDX: 000000000000000c RSI: 00007fe25d7c4000 RDI: 0000000000000001 # [ 41.897578] RBP: 00007fe25d7c4000 R08: 00007fe25d7c3010 R09: 0000000000000000 # [ 41.905839] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 41.914101] 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 # [ 42.019170] lkdtm: Performing direct entry EXEC_USERSPACE # [ 42.028164] lkdtm: attempting ok execution at ffffffff94d7c2d0 # [ 42.034984] lkdtm: attempting bad execution at 00007fd0179c9000 # [ 42.041901] unable to execute userspace code (SMEP?) (uid: 0) # [ 42.048616] BUG: unable to handle page fault for address: 00007fd0179c9000 # [ 42.056589] #PF: supervisor instruction fetch in kernel mode # [ 42.069416] #PF: error_code(0x0011) - permissions violation # [ 42.075931] PGD 8000000103da5067 P4D 800<6>[ 49.578075] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW 0000103da5067 PUD 103daa067 PMD 1063a4067 PTE 10a476067 # [ 4<6>[ 49.591665] lkdtm: attempting bad refcount_add_not_zero() overflow 2.092163] Oops: 0011 [#10] SMP PTI # [ 42.096445] CPU: 3 PID:<4>[ 49.605109] ------------[ cut here ]------------ 1758 Comm: cat Tainted: G D W 5.10.206-cip41 #1 #<4>[ 49.616759] refcount_t: saturated; leaking memory. [ 42.105386] Hardware name: Google Rammus/Rammus, BIOS 09/04<4>[ 49.628676] WARNING: CPU: 0 PID: 2110 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 /2020 # [ 42.112483] RIP: 0010:0x7fd0179c9000 # [ 42.11676<4>[ 49.644579] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc snd_soc_da7219 videobuf2_memops videobuf2_v4l2 cros_ec_chardev cros_usbpd_charger cros_usbpd_logger cros_ec_lightbar cros_ec_sysfs snd_soc_core cros_ec_sensorhub cros_ec_debugfs snd_compress 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 1] Code: Unable to access opcode bytes at RIP 0x7fd0179c8fd6. #<4>[ 49.703595] CPU: 0 PID: 2110 Comm: cat Tainted: G D W 5.10.206-cip41 #1 [ 42.124344] RSP: 0018:ffff98cb024ffe50 EFLAGS: 00010246 # [<4>[ 49.718753] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 42.130461] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0<4>[ 49.732163] RIP: 0010:refcount_warn_saturate+0x97/0x110 000000000000000 # [ 42.138723] RDX: 0000000000000000 RSI: fff<4>[ 49.744434] Code: 02 01 e8 e6 ef c5 00 0f 0b c3 cc cc cc cc 80 3d f4 f9 16 02 00 75 a8 48 c7 c7 48 d9 2d 96 c6 05 e4 f9 16 02 01 e8 c3 ef c5 00 <0f> 0b c3 cc cc cc cc 80 3d ce f9 16 02 00 75 85 48 c7 c7 a0 d9 2d f9237bad9bf50 RDI: ffff9237bad9bf50 # [ 42.146983] RBP: 00007<4>[ 49.771966] RSP: 0018:ffff98cb02abfe38 EFLAGS: 00010282 fd0179c9000 R08: 0000000000000000 R09: 0000000000000000 # [ 4<4>[ 49.784296] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 2.155246] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000<4>[ 49.798809] RDX: ffff9237bac2c620 RSI: ffff9237bac1bf50 RDI: ffff9237bac1bf50 0000000000f # [ 42.163507] R13: ffff98cb024fff10 R14: ffff98c<4>[ 49.813286] RBP: ffffffff963829c8 R08: 0000000000000000 R09: 0000000000000000 b024fff10 R15: ffff923743334000 # [ 42.171768] FS: 00007fd01<4>[ 49.827798] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f 799a580(0000) GS:ffff9237bad80000(0000) knlGS:0000000000000000 <4>[ 49.842274] R13: ffff98cb02abff10 R14: ffff98cb02abff10 R15: ffff92374490b000 # [ 42.181099] CS: 0010 DS: 0000 ES: 0000 CR0: 00000000800500<4>[ 49.856792] FS: 00007fd844bf1580(0000) GS:ffff9237bac00000(0000) knlGS:0000000000000000 33 # [ 42.187805] CR2: 00007fd0179c9000 CR3: 0000000102a84005<4>[ 49.872334] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR4: 00000000003706e0 # [ 42.196066] Call Trace: # [ 42.1<4>[ 49.885290] CR2: 00007fd8449fb000 CR3: 0000000102de0003 CR4: 00000000003706f0 99091] ? __die_body.cold+0x1a/0x1f # [ 42.203770] ? no_cont<4>[ 49.899768] Call Trace: ext+0x177/0x380 # [ 42.214360] ? exc_page_fault+0x53/0x170 <4>[ 49.909058] ? __warn+0x80/0x110 # [ 42.219028] ? asm_exc_page_fault+0x1e/0x30 # [ 42.22398<4>[ 49.919144] ? refcount_warn_saturate+0x97/0x110 4] ? lkdtm_EXEC_USERSPACE.cold+0x66/0xae # [ 42.229648] ? d<4>[ 49.930805] ? report_bug+0x9e/0xc0 irect_entry.cold+0x2c/0x38 # [ 42.234514] ? full_proxy_write<4>[ 49.941215] ? handle_bug+0x41/0x90 +0x53/0x80 # [ 42.239279] ? vfs_write+0xe7/0x3b0 # [ 42.2<4>[ 49.951653] ? exc_invalid_op+0x14/0x70 43454] ? ksys_write+0x68/0xf0 # [ 42.247651] ? do_syscall_6<4>[ 49.962432] ? asm_exc_invalid_op+0x12/0x20 4+0x30/0x40 # [ 42.252125] ? entry_SYSCALL_64_after_hwframe+<4>[ 49.973647] ? refcount_warn_saturate+0x97/0x110 0x62/0xc7 # [ 42.258254] Modules linked in: fuse ip_tables cr<4>[ 49.985305] ? refcount_warn_saturate+0x97/0x110 os_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industriali<4>[ 49.997001] __refcount_add_not_zero.constprop.0+0x2a/0x35 o_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vma<4>[ 50.009633] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 lloc snd_soc_da7219 videobuf2_memops videobuf2_v4l2 cros_ec_char<4>[ 50.022413] direct_entry.cold+0x2c/0x38 dev cros_usbpd_charger cros_usbpd_logger cros_ec_lightbar cros_e<4>[ 50.033281] full_proxy_write+0x53/0x80 c_sysfs snd_soc_core cros_ec_sensorhub cros_ec_debugfs snd_compr<4>[ 50.044104] vfs_write+0xe7/0x3b0 ess gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine vide<4>[ 50.054304] ksys_write+0x68/0xf0 obuf2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_b<4>[ 50.064551] do_syscall_64+0x30/0x40 acklight chromeos_pstore coreboot_table # [ 42.317258] CR2: 0<4>[ 50.075032] entry_SYSCALL_64_after_hwframe+0x62/0xc7 0007fd0179c9000 # [ 42.321248] ---[ end trace 10d994e9f30da97<4>[ 50.087245] RIP: 0033:0x7fd844b07473 4 ]--- # [ 42.326702] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 42.<4>[ 50.097696] 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 331370] Code: 89 ff e8 5e d4 79 ff 48 c7 c0 ea ff ff ff eb de 48<4>[ 50.125199] RSP: 002b:00007ffeeb58d088 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f <4>[ 50.140154] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fd844b07473 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83<4>[ 50.154662] RDX: 000000000000001f RSI: 00007fd8449fb000 RDI: 0000000000000001 05 f0 7d 0b 03 # [ 42.352648] RSP: 0018:ffff98cb012dfe60 EFL<4>[ 50.169124] RBP: 00007fd8449fb000 R08: 00007fd8449fa010 R09: 0000000000000000 AGS: 00010286 # [ 42.358772] RAX: ffffffff94d7bf00 RBX: 00000<4>[ 50.183623] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 00000000001 RCX: 0000000000000000 # [ 42.367032] RDX: 0000000<4>[ 50.198113] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 000000000 RSI: ffff9237bac9bf50 RDI: ffffffff95ef84b0 # [ 42.<4>[ 50.212640] irq event stamp: 0 375295] RBP: ffffffff963e8e88 R08: 0000000000000001 R09: 0000000<4>[ 50.222538] hardirqs last enabled at (0): [<0000000000000000>] 0x0 000000001 # [ 42.383556] R10: 00000000ffffe000 R11: 3ffffffff<4>[ 50.236062] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 fffffff R12: 0000000000000004 # [ 42.391817] R13: ffff98cb012<4>[ 50.251704] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 dff10 R14: ffff98cb012dff10 R15: ffff923742bf6000 # [ 42.4000<4>[ 50.267372] softirqs last disabled at (0): [<0000000000000000>] 0x0 80] FS: 00007fd01799a580(0000) GS:ffff9237bad80000(0000) knlGS:<4>[ 50.280853] ---[ end trace 10d994e9f30da97e ]--- 0000000000000000 # [ 42.409410] CS: 0010 DS: 0000 ES: 0000 C<6>[ 50.292542] lkdtm: Overflow detected: saturated R0: 0000000080050033 # [ 42.416118] CR2: 00007fd0179c9000 CR3: 0000000102a84005 CR4: 00000000003706e0 # EXEC_USERSPACE: saw 'call trace:': ok ok 35 selftests: lkdtm: EXEC_USERSPACE.sh # selftests: lkdtm: EXEC_NULL.sh # Killed # [ 42.557262] lkdtm: Performing direct entry EXEC_NULL # [ 42.567048] lkdtm: attempting ok execution at ffffffff94d7c2d0 # [ 42.580085] lkdtm: attempting bad execution at 0000000000000000 # [ 42.593215] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 42.607467] #PF: supervisor instruction fetch in kernel mode # [ 42.614078] #PF: error_code(0x0010) - not-present page # [ 42.620106] PGD 0 P4D 0 # [ 42.623214] Oops: 0010 [#11] SMP PTI # [ 42.627485] CPU: 0 PID: 1795 Comm: cat Tainted: G D W 5.10.206-cip41 #1 # [ 42.636427] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 42.643524] RIP: 0010:0x0 # [ 42.646736] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. # [ 42.654705] RSP: 0018:ffff98cb02597e48 EFLAGS: 00010246 # [ 42.660831] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 # [ 42.669092] RDX: 0000000000000000 RSI: ffff9237bac1bf50 RDI: ffff9237bac1bf50 # [ 42.677354] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 # [ 42.685616] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 42.693902] R<6>[ 50.435675] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO 13: ffff98cb02597f10 R14: ffff98cb02597f10 R15: ffff923746090000<6>[ 50.447423] lkdtm: attempting good refcount_dec() # [ 42.702164] FS: 00007f6ba5d6c580(0000) GS:ffff9237bac000<6>[ 50.459188] lkdtm: attempting bad refcount_dec() to zero <4>[ 50.471645] ------------[ cut here ]------------ <4>[ 50.477092] refcount_t: decrement hit 0; leaking memory. 00(0000) knlGS:0000000000000000 # [ 42.711496] CS: 0010 DS: <4>[ 50.483349] WARNING: CPU: 1 PID: 2143 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 0000 ES: 0000 CR0: 0000000080050033 # [ 42.718203] CR2: fffff<4>[ 50.499251] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc snd_soc_da7219 videobuf2_memops videobuf2_v4l2 cros_ec_chardev cros_usbpd_charger cros_usbpd_logger cros_ec_lightbar cros_ec_sysfs snd_soc_core cros_ec_sensorhub cros_ec_debugfs snd_compress 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 fffffffffd6 CR3: 00000001026c0006 CR4: 00000000003706f0 # [ 4<4>[ 50.558214] CPU: 1 PID: 2143 Comm: cat Tainted: G D W 5.10.206-cip41 #1 <4>[ 50.573375] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 2.726464] Call Trace: # [ 42.729486] ? __die_body.cold+0x1a/<4>[ 50.580476] RIP: 0010:refcount_warn_saturate+0xfb/0x110 0x1f # [ 42.734162] ? no_context+0x177/0x380 # [ 42.73854<4>[ 50.592832] Code: f8 d9 2d 96 c6 05 95 f9 16 02 01 e8 79 ef c5 00 0f 0b c3 cc cc cc cc 48 c7 c7 c8 d9 2d 96 c6 05 7c f9 16 02 01 e8 5f ef c5 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 3] ? exc_page_fault+0x53/0x170 # [ 42.743219] ? asm_exc_pag<4>[ 50.620338] RSP: 0018:ffff98cb02b47e48 EFLAGS: 00010286 e_fault+0x1e/0x30 # [ 42.748184] execute_location+0x45/0x56 <4>[ 50.632703] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 # [ 42.752751] direct_entry.cold+0x2c/0x38 # [ 42.757421]<4>[ 50.647177] RDX: ffff9237bacac620 RSI: ffff9237bac9bf50 RDI: ffff9237bac9bf50 <4>[ 50.661657] RBP: ffffffff96382d81 R08: 0000000000000000 R09: 0000000000000000 full_proxy_write+0x53/0x80 # [ 42.761996] vfs_write+0xe7/0<4>[ 50.669930] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 x3b0 # [ 42.765984] ksys_write+0x68/0xf0 # [ 42.769975] <4>[ 50.684400] R13: ffff98cb02b47f10 R14: ffff98cb02b47f10 R15: ffff9237465e8000 <4>[ 50.698880] FS: 00007f5efddfb580(0000) GS:ffff9237bac80000(0000) knlGS:0000000000000000 do_syscall_64+0x30/0x40 # [ 42.774259] entry_SYSCALL_64_afte<4>[ 50.708212] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 50.721133] CR2: 00007f5efdc05000 CR3: 0000000102cf8002 CR4: 00000000003706e0 <4>[ 50.729399] Call Trace: r_hwframe+0x62/0xc7 # [ 42.780191] RIP: 0033:0x7f6ba5c82473 <4>[ 50.732423] ? __warn+0x80/0x110 # [ 42.784471] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0<4>[ 50.742533] ? refcount_warn_saturate+0xfb/0x110 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 <4>[ 50.754197] ? report_bug+0x9e/0xc0 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48<4>[ 50.764600] ? handle_bug+0x41/0x90 <4>[ 50.775001] ? exc_invalid_op+0x14/0x70 83 ec 28 48 89 54 24 18 # [ 42.805748] RSP: 002b:00007ffc11d<4>[ 50.779578] ? asm_exc_invalid_op+0x12/0x20 95a88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 42.8144<4>[ 50.790750] ? refcount_warn_saturate+0xfb/0x110 <4>[ 50.802413] ? refcount_warn_saturate+0xfb/0x110 95] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f6ba5c<4>[ 50.807861] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd 82473 # [ 42.822757] RDX: 000000000000000a RSI: 00007f6ba5b76<4>[ 50.819326] direct_entry.cold+0x2c/0x38 000 RDI: 0000000000000001 # [ 42.831018] RBP: 00007f6ba5b7600<4>[ 50.830215] full_proxy_write+0x53/0x80 0 R08: 00007f6ba5b75010 R09: 0000000000000000 # [ 42.839278] <4>[ 50.841005] vfs_write+0xe7/0x3b0 <4>[ 50.851214] ksys_write+0x68/0xf0 R10: fffffffffffffbc5 R11: 0000000000000246 R12: 000000000000000<4>[ 50.855204] do_syscall_64+0x30/0x40 <4>[ 50.865702] entry_SYSCALL_64_after_hwframe+0x62/0xc7 1 # [ 42.847540] R13: 0000000000000001 R14: 0000000000020000 <4>[ 50.871652] RIP: 0033:0x7f5efdd11473 R15: 0000000000020000 # [ 42.855804] Modules linked in: fuse <4>[ 50.882145] 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>[ 50.909641] RSP: 002b:00007fffd3d899c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core<4>[ 50.918394] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f5efdd11473 <4>[ 50.932877] RDX: 0000000000000012 RSI: 00007f5efdc05000 RDI: 0000000000000001 <4>[ 50.941145] RBP: 00007f5efdc05000 R08: 00007f5efdc04010 R09: 0000000000000000 <4>[ 50.949410] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 50.957678] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 50.965950] irq event stamp: 0 <4>[ 50.969659] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 50.976953] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 industrialio_triggered_buffer kfifo_buf industrialio uvcvideo v<4>[ 50.986384] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 51.002025] softirqs last disabled at (0): [<0000000000000000>] 0x0 ideobuf2_vmalloc snd_soc_da7219 videobuf2_memops videobuf2_v4l2 <4>[ 51.009319] ---[ end trace 10d994e9f30da97f ]--- <6>[ 51.020975] lkdtm: Zero detected: saturated cros_ec_chardev cros_usbpd_charger cros_usbpd_logger cros_ec_lightbar cros_ec_sysfs snd_soc_core cros_ec_sensorhub cros_ec_debugfs snd_compress 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 # [ 42.908580] CR2: 0000000000000000 # [ 42.912560] ---[ end trace 10d994e9f30da975 ]--- # [ 42.918006] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 42.922674] Code: 89 ff e8 5e d4 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 f0 7d 0b 03 # [ 42.943943] RSP: 0018:ffff98cb012dfe60 EFLAGS: 00010286 # [ 42.950066] RAX: ffffffff94d7bf00 RBX: 0000000000000001 RCX: 0000000000000000 # [ 42.958327] RDX: 0000000000000000 RSI: ffff9237bac9bf50 RDI: ffffffff95ef84b0 # [ 42.966589] RBP: ffffffff963e8e88 R08: 0000000000000001 R09: 0000000000000001 # [ 42.974852] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 42.983112] R13: ffff98cb012dff10 R14: ffff98cb012dff10 R15: ffff923742bf6000 # [ 42.991374] FS: 00007f6ba5d6c580(0000) GS:ffff9237bac00000(0000) knlGS:0000000000000000 # [ 43.000719] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 43.007427] CR2: ffffffffffffffd6 CR3: 00000001026c0006 CR4: 00000000003706f0 # [ 43.0<6>[ 51.157110] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE <6>[ 51.169908] lkdtm: attempting bad refcount_dec() below zero <4>[ 51.176467] ------------[ cut here ]------------ <4>[ 51.181938] refcount_t: decrement hit 0; leaking memory. <4>[ 51.188201] WARNING: CPU: 3 PID: 2179 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 <4>[ 51.197933] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc snd_soc_da7219 videobuf2_memops videobuf2_v4l2 cros_ec_chardev cros_usbpd_charger cros_usbpd_logger cros_ec_lightbar cros_ec_sysfs snd_soc_core cros_ec_sensorhub cros_ec_debugfs snd_compress 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 15698] BUG: sleeping function called from invalid context at inc<4>[ 51.250718] CPU: 3 PID: 2179 Comm: cat Tainted: G D W 5.10.206-cip41 #1 lude/linux/percpu-rwsem.h:49 # [ 43.025902] in_atomic(): 0, i<4>[ 51.265871] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 51.279189] RIP: 0010:refcount_warn_saturate+0xfb/0x110 <4>[ 51.285347] Code: f8 d9 2d 96 c6 05 95 f9 16 02 01 e8 79 ef c5 00 0f 0b c3 cc cc cc cc 48 c7 c7 c8 d9 2d 96 c6 05 7c f9 16 02 01 e8 5f ef c5 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b rqs_disabled(): 1, non_block: 0, pid: 1795, name: cat # [ 43.<4>[ 51.306651] RSP: 0018:ffff98cb02b9fe48 EFLAGS: 00010286 <4>[ 51.319002] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 <4>[ 51.327300] RDX: ffff9237badac620 RSI: ffff9237bad9bf50 RDI: ffff9237bad9bf50 <4>[ 51.335586] RBP: ffffffff96382d93 R08: 0000000000000000 R09: 0000000000000000 <4>[ 51.343850] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 <4>[ 51.352113] R13: ffff98cb02b9ff10 R14: ffff98cb02b9ff10 R15: ffff923743de8000 <4>[ 51.360377] FS: 00007fe6fec32580(0000) GS:ffff9237bad80000(0000) knlGS:0000000000000000 <4>[ 51.369710] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 51.376420] CR2: 00007fe6fea3c000 CR3: 0000000103fe4001 CR4: 00000000003706e0 <4>[ 51.384696] Call Trace: <4>[ 51.387718] ? __warn+0x80/0x110 <4>[ 51.391651] ? refcount_warn_saturate+0xfb/0x110 034650] INFO: lockdep is turned off. # [ 43.039318] irq event<4>[ 51.397101] ? report_bug+0x9e/0xc0 <4>[ 51.407496] ? handle_bug+0x41/0x90 <4>[ 51.411682] ? exc_invalid_op+0x14/0x70 <4>[ 51.416256] ? asm_exc_invalid_op+0x12/0x20 <4>[ 51.421222] ? refcount_warn_saturate+0xfb/0x110 <4>[ 51.426710] ? refcount_warn_saturate+0xfb/0x110 <4>[ 51.432157] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 <4>[ 51.437799] direct_entry.cold+0x2c/0x38 <4>[ 51.442471] full_proxy_write+0x53/0x80 <4>[ 51.447048] vfs_write+0xe7/0x3b0 <4>[ 51.451039] ksys_write+0x68/0xf0 <4>[ 51.455032] do_syscall_64+0x30/0x40 <4>[ 51.459314] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 51.465248] RIP: 0033:0x7fe6feb48473 <4>[ 51.469531] 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>[ 51.490809] RSP: 002b:00007ffce56bb3a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 51.499559] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fe6feb48473 <4>[ 51.507823] RDX: 0000000000000016 RSI: 00007fe6fea3c000 RDI: 0000000000000001 <4>[ 51.516086] RBP: 00007fe6fea3c000 R08: 00007fe6fea3b010 R09: 0000000000000000 <4>[ 51.524349] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 stamp: 0 # [ 43.043015] hardirqs last enabled at (0): [<000<4>[ 51.532617] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0000000000000>] 0x0 # [ 43.050308] hardirqs last disabled at <4>[ 51.547104] irq event stamp: 0 <4>[ 51.557017] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 51.564311] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 51.573742] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 51.583171] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 51.590464] ---[ end trace 10d994e9f30da980 ]--- <6>[ 51.595910] lkdtm: Negative detected: saturated (0): [] copy_process+0x65c/0x20e0 # [ 43.059736] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 43.069166] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 43.076456] CPU: 0 PID: 1795 Comm: cat Tainted: G D W 5.10.206-cip41 #1 # [ 43.085397] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 43.092493] Call Trace: # [ 43.095512] dump_stack+0x77/0x9b # [ 43.099502] ___might_sleep.cold+0xa6/0xb6 # [ 43.104366] exit_signals+0x1c/0x300 # [ 43.108648] do_exit+0xc2/0xab0 # [ 43.112444] ? ksys_write+0x68/0xf0 # [ 43.116650] make_task_dead+0x2f/0x30 # [ 43.121028] rewind_stack_and_make_dead+0x17/0x20 # [ 43.126569] RIP: 0033:0x7f6ba5c82473 # [ 43.130848] 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 # [ 43.152125] RSP: 002b:00007ffc11d95a88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 43.160863] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f6ba5c82473 # [ 43.169125] RDX: 000000000000000a RSI: 00007f6ba5b76000 RDI: 0000000000000001 # [ 43.177386] RBP: 00007f6ba5b76000 R08: 00007f6ba5b75010 R09: 0000000000000000 # [ 43.185648] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 43.193910] 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 # [ 43.351524] lkdtm: Performing direct<6>[ 51.761061] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE <6>[ 51.770828] lkdtm: attempting bad refcount_dec_and_test() below zero <4>[ 51.778256] ------------[ cut here ]------------ <4>[ 51.783710] refcount_t: underflow; use-after-free. <4>[ 51.789366] WARNING: CPU: 3 PID: 2215 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 entry ACCESS_USERSPACE # [ 43.364123] lkdtm: attempting bad <4>[ 51.799095] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc snd_soc_da7219 videobuf2_memops videobuf2_v4l2 cros_ec_chardev cros_usbpd_charger cros_usbpd_logger cros_ec_lightbar cros_ec_sysfs snd_soc_core cros_ec_sensorhub cros_ec_debugfs snd_compress 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>[ 51.858097] CPU: 3 PID: 2215 Comm: cat Tainted: G D W 5.10.206-cip41 #1 read at 00007fc0a7217000 # [ 43.370580] BUG: unable to handle<4>[ 51.867066] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 51.880385] RIP: 0010:refcount_warn_saturate+0xba/0x110 <4>[ 51.886544] Code: 02 01 e8 c3 ef c5 00 0f 0b c3 cc cc cc cc 80 3d ce f9 16 02 00 75 85 48 c7 c7 a0 d9 2d 96 c6 05 be f9 16 02 01 e8 a0 ef c5 00 <0f> 0b c3 cc cc cc cc 80 3d a9 f9 16 02 00 0f 85 5e ff ff ff 48 c7 <4>[ 51.907822] RSP: 0018:ffff98cb02c7fe40 EFLAGS: 00010286 <4>[ 51.913951] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 <4>[ 51.922239] RDX: ffff9237badac620 RSI: ffff9237bad9bf50 RDI: ffff9237bad9bf50 page fault for address: 00007fc0a7217000 # [ 43.378555] #PF:<4>[ 51.930513] RBP: ffffffff963829e8 R08: 0000000000000000 R09: 0000000000000000 <4>[ 51.944985] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f <4>[ 51.953248] R13: ffff98cb02c7ff10 R14: ffff98cb02c7ff10 R15: ffff9237457c3000 <4>[ 51.961512] FS: 00007fa4b5ffd580(0000) GS:ffff9237bad80000(0000) knlGS:0000000000000000 <4>[ 51.970844] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 51.977544] CR2: 00007fa4b5e07000 CR3: 000000010317a003 CR4: 00000000003706e0 <4>[ 51.985806] Call Trace: <4>[ 51.988822] ? __warn+0x80/0x110 <4>[ 51.992747] ? refcount_warn_saturate+0xba/0x110 <4>[ 51.998194] ? report_bug+0x9e/0xc0 <4>[ 52.002380] ? handle_bug+0x41/0x90 <4>[ 52.006566] ? exc_invalid_op+0x14/0x70 <4>[ 52.011141] ? asm_exc_invalid_op+0x12/0x20 <4>[ 52.016107] ? refcount_warn_saturate+0xba/0x110 <4>[ 52.021588] __refcount_sub_and_test.constprop.0+0x3c/0x50 <4>[ 52.028033] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 <4>[ 52.034548] direct_entry.cold+0x2c/0x38 <4>[ 52.039220] full_proxy_write+0x53/0x80 <4>[ 52.043797] vfs_write+0xe7/0x3b0 <4>[ 52.047813] ksys_write+0x68/0xf0 <4>[ 52.051805] do_syscall_64+0x30/0x40 <4>[ 52.056089] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 52.062024] RIP: 0033:0x7fa4b5f13473 <4>[ 52.066307] 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>[ 52.087585] RSP: 002b:00007ffd48a256f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 52.096333] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fa4b5f13473 <4>[ 52.104598] RDX: 000000000000001f RSI: 00007fa4b5e07000 RDI: 0000000000000001 <4>[ 52.112861] RBP: 00007fa4b5e07000 R08: 00007fa4b5e06010 R09: 0000000000000000 <4>[ 52.121124] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 52.129387] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 supervisor read access in kernel mode # [ 43.390793] #PF: er<4>[ 52.137649] irq event stamp: 0 <4>[ 52.147561] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ror_code(0x0001) - permissions violation # [ 43.397298] PGD 8<4>[ 52.154854] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 52.170496] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 52.179925] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 52.187219] ---[ end trace 10d994e9f30da981 ]--- <6>[ 52.192667] lkdtm: Negative detected: saturated 000000102a6f067 P4D 8000000102a6f067 PUD 106047067 PMD 10600f067 PTE 1084eb067 # [ 43.413531] Oops: 0001 [#12] SMP PTI # [ 43.417813] CPU: 3 PID: 1831 Comm: cat Tainted: G D W 5.10.206-cip41 #1 # [ 43.426758] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 43.433858] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 # [ 43.440373] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 30 3c 38 96 e8 24 d8 fb ff 48 c7 c7 58 3c 38 96 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 0b d8 fb ff 48 89 ee 48 c7 c7 80 3c 38 # [ 43.461646] RSP: 0018:ffff98cb0262fe48 EFLAGS: 00010246 # [ 43.467772] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 # [ 43.476033] RDX: 0000000000000000 RSI: ffff9237bad9bf50 RDI: ffffffff96383c58 # [ 43.484293] RBP: 00007fc0a7217000 R08: 0000000000000000 R09: 0000000000000000 # [ 43.492556] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 # [ 43.500817] R13: ffff98cb0262ff10 R14: ffff98cb0262ff10 R15: ffff923742c5c000 # [ 43.509080] FS: 00007fc0a71e8580(0000) GS:ffff9237bad80000(0000) knlGS:0000000000000000 # [ 43.518404] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 43.525111] CR2: 00007fc0a7217000 CR3: 0000000104f42003 CR4: 00000000003706e0 # [ 43.533372] Call Trace: # [ 43.536394] ? __die_body.cold+0x1a/0x1f # [ 43.541064] ? no_context+0x177/0x380 # [ 43.545437] ? exc_page_fault+0x53/0x170 # [ 43.550107] ? asm_exc_page_fault+0x1e/0x30 # [ 43.555070] ?<6>[ 52.344407] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 # [ 43.560904] ? lkdt<6>[ 52.355125] lkdtm: attempting bad refcount_sub_and_test() below zero m_ACCESS_USERSPACE.cold+0x35/0xa3 # [ 43.566738] direct_entr<4>[ 52.368739] ------------[ cut here ]------------ y.cold+0x2c/0x38 # [ 43.571410] full_proxy_write+0x53/0x80 <4>[ 52.380394] refcount_t: underflow; use-after-free. # [ 43.575984] vfs_write+0xe7/0x3b0 # [ 43.579974] ksys_w<4>[ 52.392285] WARNING: CPU: 1 PID: 2251 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 rite+0x68/0xf0 # [ 43.583965] do_syscall_64+0x30/0x40 # [ <4>[ 52.408193] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc snd_soc_da7219 videobuf2_memops videobuf2_v4l2 cros_ec_chardev cros_usbpd_charger cros_usbpd_logger cros_ec_lightbar cros_ec_sysfs snd_soc_core cros_ec_sensorhub cros_ec_debugfs snd_compress 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 43.588246] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 43.<4>[ 52.467151] CPU: 1 PID: 2251 Comm: cat Tainted: G D W 5.10.206-cip41 #1 594178] RIP: 0033:0x7fc0a70fe473 # [ 43.598458] Code: 8b 15 2<4>[ 52.482314] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 1 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64<4>[ 52.495654] RIP: 0010:refcount_warn_saturate+0xba/0x110 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 0<4>[ 52.507998] Code: 02 01 e8 c3 ef c5 00 0f 0b c3 cc cc cc cc 80 3d ce f9 16 02 00 75 85 48 c7 c7 a0 d9 2d 96 c6 05 be f9 16 02 01 e8 a0 ef c5 00 <0f> 0b c3 cc cc cc cc 80 3d a9 f9 16 02 00 0f 85 5e ff ff ff 48 c7 0 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ <4>[ 52.535514] RSP: 0018:ffff98cb02d0fe40 EFLAGS: 00010286 43.619735] RSP: 002b:00007ffec3f54398 EFLAGS: 00000246 ORIG_RA<4>[ 52.547840] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 <4>[ 52.562314] RDX: ffff9237bacac620 RSI: ffff9237bac9bf50 RDI: ffff9237bac9bf50 X: 0000000000000001 # [ 43.628482] RAX: ffffffffffffffda RBX:<4>[ 52.570580] RBP: ffffffff96382a08 R08: 0000000000000000 R09: 0000000000000000 <4>[ 52.585054] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f 0000000000000011 RCX: 00007fc0a70fe473 # [ 43.636744] RDX: 0<4>[ 52.593320] R13: ffff98cb02d0ff10 R14: ffff98cb02d0ff10 R15: ffff923742bf3000 <4>[ 52.607796] FS: 00007f5528783580(0000) GS:ffff9237bac80000(0000) knlGS:0000000000000000 000000000000011 RSI: 00007fc0a6ff2000 RDI: 0000000000000001 # [<4>[ 52.617132] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 52.630053] CR2: 00007f552858d000 CR3: 000000010317a002 CR4: 00000000003706e0 43.645004] RBP: 00007fc0a6ff2000 R08: 00007fc0a6ff1010 R09: 0<4>[ 52.638319] Call Trace: 000000000000000 # [ 43.653265] R10: fffffffffffffbc5 R11: 000<4>[ 52.647556] ? __warn+0x80/0x110 0000000000246 R12: 0000000000000001 # [ 43.661526] R13: 00000<4>[ 52.657664] ? refcount_warn_saturate+0xba/0x110 00000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 4<4>[ 52.669329] ? report_bug+0x9e/0xc0 3.669790] Modules linked in: fuse ip_tables cros_ec_lid_angle cr<4>[ 52.679733] ? handle_bug+0x41/0x90 <4>[ 52.690136] ? exc_invalid_op+0x14/0x70 os_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer<4>[ 52.694710] ? asm_exc_invalid_op+0x12/0x20 kfifo_buf industrialio uvcvideo videobuf2_vmalloc snd_soc_da721<4>[ 52.705891] ? refcount_warn_saturate+0xba/0x110 9 videobuf2_memops videobuf2_v4l2 cros_ec_chardev cros_usbpd_cha<4>[ 52.717551] __refcount_sub_and_test.constprop.0+0x3c/0x50 rger cros_usbpd_logger cros_ec_lightbar cros_ec_sysfs snd_soc_co<4>[ 52.730187] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b <4>[ 52.742919] direct_entry.cold+0x2c/0x38 re cros_ec_sensorhub cros_ec_debugfs snd_compress gsmi x86_pkg_t<4>[ 52.747594] full_proxy_write+0x53/0x80 emp_thermal cros_ec_dev snd_pcm_dmaengine videobuf2_common regma<4>[ 52.758382] vfs_write+0xe7/0x3b0 p_i2c i2c_hid cros_usbpd_notify cros_kbd_led_backlight chromeos_<4>[ 52.768588] ksys_write+0x68/0xf0 pstore coreboot_table # [ 43.728794] CR2: 00007fc0a7217000 #<4>[ 52.778793] do_syscall_64+0x30/0x40 <4>[ 52.789292] entry_SYSCALL_64_after_hwframe+0x62/0xc7 [ 43.732774] ---[ end trace 10d994e9f30da976 ]--- # [ 43.7<4>[ 52.795228] RIP: 0033:0x7f5528699473 <4>[ 52.805720] 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 38211] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 43.742871] Code: 89 f<4>[ 52.827000] RSP: 002b:00007fffb39fe9a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 52.841960] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f5528699473 <4>[ 52.850226] RDX: 000000000000001f RSI: 00007f552858d000 RDI: 0000000000000001 f e8 5e d4 79 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff<4>[ 52.858491] RBP: 00007f552858d000 R08: 00007f552858c010 R09: 0000000000000000 <4>[ 52.872966] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0<4>[ 52.881233] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 52.895728] irq event stamp: 0 b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 f0 7d 0b 03 #<4>[ 52.899457] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 52.912961] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 [ 43.764149] RSP: 0018:ffff98cb012dfe60 EFLAGS: 00010286 # [<4>[ 52.922394] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 52.938036] softirqs last disabled at (0): [<0000000000000000>] 0x0 43.770266] RAX: ffffffff94d7bf00 RBX: 0000000000000001 RCX: 0<4>[ 52.945329] ---[ end trace 10d994e9f30da982 ]--- <6>[ 52.956987] lkdtm: Negative detected: saturated 000000000000000 # [ 43.778527] RDX: 0000000000000000 RSI: ffff9237bac9bf50 RDI: ffffffff95ef84b0 # [ 43.786788] RBP: ffffffff963e8e88 R08: 0000000000000001 R09: 0000000000000001 # [ 43.795051] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 43.803312] R13: ffff98cb012dff10 R14: ffff98cb012dff10 R15: ffff923742bf6000 # [ 43.811575] FS: 00007fc0a71e8580(0000) GS:ffff9237bad80000(0000) knlGS:0000000000000000 # [ 43.820905] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 43.827613] CR2: 00007fc0a7217000 CR3: 0000000104f42003 CR4: 00000000003706e0 # ACCESS_USERSPACE: saw 'call trace:': ok ok 37 selftests: lkdtm: ACCESS_USERSPACE.sh # selftests: lkdtm: ACCESS_NULL.sh # Killed # [ 43.992535] lkdtm: Performing direct entry ACCESS_NULL # [ 44.003564] lkdtm: attempting bad read at 0000000000000000 # [ 44.010048] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 44.024271] #PF: supervisor read access in kernel mode # [ 44.030301] #PF: error_code(0x0000) - not-present page # [ 44.042545] PGD 0 P4D 0 # [ 44.045663] Oops: 0000 [#13] SMP PTI # [ 44.056158] CPU: 3 PID: 1867 Comm: cat Tainted: G D W 5.10.206-cip41 #1 # [ 44.065098] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 44.072198] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 # [ 44.077741] Code: c8 d7 fb ff be 00 10 00 00 48 89 ef e8 56 6d 0a ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 30 3c 38 96 e8 a2 d7 fb ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 58 3c 38 96 48 01 # [ 44.099016] RSP: 0018:ffff98cb026d7e58 EFLAGS: 00010246 # [ 44.105143] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 # [ 4<6>[ 53.128454] lkdtm: Performing direct entry REFCOUNT_INC_ZERO 4.113396] RDX: 0000000000000000 RSI: ffff9237bad9bf50 RDI: ffff9<6>[ 53.136758] lkdtm: attempting safe refcount_inc_not_zero() from zero 237bad9bf50 # [ 44.121658] RBP: ffffffff96382d21 R08: 0000000<6>[ 53.150369] lkdtm: Good: zero detected <6>[ 53.161058] lkdtm: Correctly stayed at zero 000000000 R09: 0000000000000000 # [ 44.129918] R10: 00000000f<6>[ 53.166024] lkdtm: attempting bad refcount_inc() from zero <4>[ 53.178654] ------------[ cut here ]------------ fffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 44.13<4>[ 53.184104] refcount_t: addition on 0; use-after-free. 8179] R13: ffff98cb026d7f10 R14: ffff98cb026d7f10 R15: ffff92374<4>[ 53.196378] WARNING: CPU: 1 PID: 2284 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 57d2000 # [ 44.146441] FS: 00007fa04684f580(0000) GS:ffff923<4>[ 53.212280] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc snd_soc_da7219 videobuf2_memops videobuf2_v4l2 cros_ec_chardev cros_usbpd_charger cros_usbpd_logger cros_ec_lightbar cros_ec_sysfs snd_soc_core cros_ec_sensorhub cros_ec_debugfs snd_compress 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 7bad80000(0000) knlGS:0000000000000000 # [ 44.155769] CS: 00<4>[ 53.271244] CPU: 1 PID: 2284 Comm: cat Tainted: G D W 5.10.206-cip41 #1 <4>[ 53.286405] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 10 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 44.162475] CR2<4>[ 53.293504] RIP: 0010:refcount_warn_saturate+0x74/0x110 <4>[ 53.305840] Code: 02 01 e8 09 f0 c5 00 0f 0b c3 cc cc cc cc 80 3d 15 fa 16 02 00 75 cb 48 c7 c7 70 d9 2d 96 c6 05 05 fa 16 02 01 e8 e6 ef c5 00 <0f> 0b c3 cc cc cc cc 80 3d f4 f9 16 02 00 75 a8 48 c7 c7 48 d9 2d : 0000000000000000 CR3: 0000000104034003 CR4: 00000000003706e0 <4>[ 53.327117] RSP: 0018:ffff98cb02d97e48 EFLAGS: 00010286 <4>[ 53.339456] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 # [ 44.170736] Call Trace: # [ 44.173755] ? __die_body.col<4>[ 53.347721] RDX: ffff9237bacac620 RSI: ffff9237bac9bf50 RDI: ffff9237bac9bf50 <4>[ 53.362194] RBP: ffffffff96382da9 R08: 0000000000000000 R09: 0000000000000000 <4>[ 53.370459] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 d+0x1a/0x1f # [ 44.178426] ? no_context+0x177/0x380 # [ 4<4>[ 53.378724] R13: ffff98cb02d97f10 R14: ffff98cb02d97f10 R15: ffff923743203000 <4>[ 53.393200] FS: 00007f7d9404a580(0000) GS:ffff9237bac80000(0000) knlGS:0000000000000000 4.182805] ? exc_page_fault+0x53/0x170 # [ 44.187476] ? asm_<4>[ 53.402533] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 exc_page_fault+0x1e/0x30 # [ 44.192439] ? lkdtm_ACCESS_NULL+<4>[ 53.415459] CR2: 00007f7d93e54000 CR3: 00000001060a2001 CR4: 00000000003706e0 <4>[ 53.429934] Call Trace: 0x14/0x53 # [ 44.197302] ? lkdtm_ACCESS_NULL+0x14/0x53 # [ <4>[ 53.432958] ? __warn+0x80/0x110 44.202158] direct_entry.cold+0x2c/0x38 # [ 44.206827] ful<4>[ 53.443058] ? refcount_warn_saturate+0x74/0x110 <4>[ 53.454721] ? report_bug+0x9e/0xc0 l_proxy_write+0x53/0x80 # [ 44.211401] vfs_write+0xe7/0x3b0 <4>[ 53.458909] ? handle_bug+0x41/0x90 # [ 44.215392] ksys_write+0x68/0xf0 # [ 44.219381] do_sy<4>[ 53.469324] ? exc_invalid_op+0x14/0x70 scall_64+0x30/0x40 # [ 44.223672] entry_SYSCALL_64_after_hwf<4>[ 53.480115] ? asm_exc_invalid_op+0x12/0x20 rame+0x62/0xc7 # [ 44.229604] RIP: 0033:0x7fa046765473 # [ <4>[ 53.491274] ? refcount_warn_saturate+0x74/0x110 <4>[ 53.502933] ? refcount_warn_saturate+0x74/0x110 44.233886] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff f<4>[ 53.508382] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 <4>[ 53.519847] direct_entry.cold+0x2c/0x38 f ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01<4>[ 53.524522] full_proxy_write+0x53/0x80 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 e<4>[ 53.535303] vfs_write+0xe7/0x3b0 <4>[ 53.545510] ksys_write+0x68/0xf0 c 28 48 89 54 24 18 # [ 44.255165] RSP: 002b:00007ffc2ad6c158<4>[ 53.549503] do_syscall_64+0x30/0x40 <4>[ 53.559993] entry_SYSCALL_64_after_hwframe+0x62/0xc7 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 44.263904] R<4>[ 53.565928] RIP: 0033:0x7f7d93f60473 <4>[ 53.576419] 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 AX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fa046765473<4>[ 53.597700] RSP: 002b:00007ffc2bc428b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 53.612660] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f7d93f60473 # [ 44.272167] RDX: 000000000000000c RSI: 00007fa046659000 R<4>[ 53.620926] RDX: 0000000000000012 RSI: 00007f7d93e54000 RDI: 0000000000000001 <4>[ 53.635400] RBP: 00007f7d93e54000 R08: 00007f7d93e53010 R09: 0000000000000000 <4>[ 53.643666] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 DI: 0000000000000001 # [ 44.280429] RBP: 00007fa046659000 R08<4>[ 53.651931] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 : 00007fa046658010 R09: 0000000000000000 # [ 44.288701] R10: <4>[ 53.666408] irq event stamp: 0 <4>[ 53.676321] hardirqs last enabled at (0): [<0000000000000000>] 0x0 fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # <4>[ 53.683617] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 [ 44.296963] R13: 0000000000000001 R14: 0000000000020000 R15: <4>[ 53.699259] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 0000000000020000 # [ 44.305228] Modules linked in: fuse ip_ta<4>[ 53.714904] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 53.728414] ---[ end trace 10d994e9f30da983 ]--- <6>[ 53.733863] lkdtm: Zero detected: saturated bles cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc snd_soc_da7219 videobuf2_memops videobuf2_v4l2 cros_ec_chardev cros_usbpd_charger cros_usbpd_logger cros_ec_lightbar cros_ec_sysfs snd_soc_core cros_ec_sensorhub cros_ec_debugfs snd_compress 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 # [ 44.364229] CR2: 0000000000000000 # [ 44.368217] ---[ end trace 10d994e9f30da977 ]--- # [ 44.373668] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 44.378337] Code: 89 ff e8 5e d4 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 f0 7d 0b 03 # [ 44.399614] RSP: 0018:ffff98cb012dfe60 EFLAGS: 00010286 # [ 44.405731] RAX: ffffffff94d7bf00 RBX: 0000000000000001 RCX: 0000000000000000 # [ 44.413994] RDX: 0000000000000000 RSI: ffff9237bac9bf50 RDI: ffffffff95ef84b0 # [ 44.422254] RBP: ffffffff963e8e88 R08: 0000000000000001 R09: 0000000000000001 # [ 44.430517] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 44.438771] R13: ffff98cb012dff10 R14: ffff98cb012dff10 R15: ffff923742bf6000 # [ 44.447032] FS: 00007fa04684f580(0000) GS:ffff9237bad80000(0000) knlGS:0000000000000000 # [ 44.456362] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 44.463068] CR2: 0000000000000000 CR3: 0000000104034003 CR4: 00000000003706e0 # [ 44.471329] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 44.481534] in_atomic(): 0, irqs_d<6>[ 53.902790] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO isabled(): 1, non_block: 0, pid: 1867, name: cat # [ 44.49028<6>[ 53.913261] lkdtm: attempting safe refcount_add_not_zero() from zero 1] INFO: lockdep is turned off. # [ 44.494948] irq event stam<6>[ 53.926874] lkdtm: Good: zero detected <6>[ 53.937565] lkdtm: Correctly stayed at zero p: 0 # [ 44.498646] hardirqs last enabled at (0): [<00000000<6>[ 53.942529] lkdtm: attempting bad refcount_add() from zero <4>[ 53.955159] ------------[ cut here ]------------ 00000000>] 0x0 # [ 44.505938] hardirqs last disabled at (0): <4>[ 53.960607] refcount_t: addition on 0; use-after-free. [] copy_process+0x65c/0x20e0 # [ 44.515366]<4>[ 53.972872] WARNING: CPU: 1 PID: 2317 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 softirqs last enabled at (0): [] copy_proces<4>[ 53.988795] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc snd_soc_da7219 videobuf2_memops videobuf2_v4l2 cros_ec_chardev cros_usbpd_charger cros_usbpd_logger cros_ec_lightbar cros_ec_sysfs snd_soc_core cros_ec_sensorhub cros_ec_debugfs snd_compress 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 s+0x65c/0x20e0 # [ 44.524793] softirqs last disabled at (0): <4>[ 54.047784] CPU: 1 PID: 2317 Comm: cat Tainted: G D W 5.10.206-cip41 #1 [<0000000000000000>] 0x0 # [ 44.532084] CPU: 3 PID: 1867 Comm<4>[ 54.062919] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 : cat Tainted: G D W 5.10.206-cip41 #1 # [ 44.54<4>[ 54.076230] RIP: 0010:refcount_warn_saturate+0x74/0x110 <4>[ 54.088572] Code: 02 01 e8 09 f0 c5 00 0f 0b c3 cc cc cc cc 80 3d 15 fa 16 02 00 75 cb 48 c7 c7 70 d9 2d 96 c6 05 05 fa 16 02 01 e8 e6 ef c5 00 <0f> 0b c3 cc cc cc cc 80 3d f4 f9 16 02 00 75 a8 48 c7 c7 48 d9 2d 1023] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [<4>[ 54.109875] RSP: 0018:ffff98cb02e37e48 EFLAGS: 00010286 <4>[ 54.122213] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 44.548120] Call Trace: # [ 44.551139] dump_stack+0x77/0x9<4>[ 54.130478] RDX: ffff9237bacac620 RSI: ffff9237bac9bf50 RDI: ffff9237bac9bf50 <4>[ 54.144952] RBP: ffffffff96382dbb R08: 0000000000000000 R09: 0000000000000000 b # [ 44.555129] ___might_sleep.cold+0xa6/0xb6 # [ 44.559<4>[ 54.153218] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 <4>[ 54.167706] R13: ffff98cb02e37f10 R14: ffff98cb02e37f10 R15: ffff92374622b000 994] exit_signals+0x1c/0x300 # [ 44.564276] do_exit+0xc2/0x<4>[ 54.175970] FS: 00007faea6459580(0000) GS:ffff9237bac80000(0000) knlGS:0000000000000000 <4>[ 54.191513] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 ab0 # [ 44.568063] ? ksys_write+0x68/0xf0 # [ 44.572248] <4>[ 54.198225] CR2: 00007faea6263000 CR3: 0000000102f1e002 CR4: 00000000003706e0 <4>[ 54.212708] Call Trace: make_task_dead+0x2f/0x30 # [ 44.576649] rewind_stack_and_ma<4>[ 54.215778] ? __warn+0x80/0x110 <4>[ 54.225886] ? refcount_warn_saturate+0x74/0x110 ke_dead+0x17/0x20 # [ 44.582190] RIP: 0033:0x7fa046765473 # <4>[ 54.231362] ? report_bug+0x9e/0xc0 [ 44.586470] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 f<4>[ 54.241762] ? handle_bug+0x41/0x90 f ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8<4>[ 54.252164] ? exc_invalid_op+0x14/0x70 <4>[ 54.262949] ? asm_exc_invalid_op+0x12/0x20 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 8<4>[ 54.267915] ? refcount_warn_saturate+0x74/0x110 3 ec 28 48 89 54 24 18 # [ 44.607746] RSP: 002b:00007ffc2ad6c<4>[ 54.279569] ? refcount_warn_saturate+0x74/0x110 <4>[ 54.291232] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 158 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 44.616494<4>[ 54.296488] direct_entry.cold+0x2c/0x38 ] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fa046765<4>[ 54.307371] full_proxy_write+0x53/0x80 473 # [ 44.624755] RDX: 000000000000000c RSI: 00007fa04665900<4>[ 54.318159] vfs_write+0xe7/0x3b0 <4>[ 54.328365] ksys_write+0x68/0xf0 0 RDI: 0000000000000001 # [ 44.633016] RBP: 00007fa046659000 <4>[ 54.332359] do_syscall_64+0x30/0x40 R08: 00007fa046658010 R09: 0000000000000000 # [ 44.641277] R1<4>[ 54.342851] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 54.355001] RIP: 0033:0x7faea636f473 0: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 54.359284] 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 # [ 44.649538] R13: 0000000000000001 R14: 0000000000020000 R1<4>[ 54.386768] RSP: 002b:00007ffd43690818 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 54.401734] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007faea636f473 5: 0000000000020000 # ACCESS_NULL: saw 'call trace:': ok ok 38<4>[ 54.410001] RDX: 0000000000000012 RSI: 00007faea6263000 RDI: 0000000000000001 <4>[ 54.424474] RBP: 00007faea6263000 R08: 00007faea6262010 R09: 0000000000000000 selftests: lkdtm: ACCESS_NULL.sh # selftests: lkdtm: WRITE_RO.<4>[ 54.432738] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 54.447212] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 sh # Killed # [ 44.794698] lkdtm: Performing direct entry WR<4>[ 54.455480] irq event stamp: 0 <4>[ 54.465384] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ITE_RO # [ 44.806530] lkdtm: attempting bad rodata write at f<4>[ 54.472694] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 54.488318] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 fffffff95ef8930 # [ 44.813758] BUG: unable to handle page fau<4>[ 54.497748] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 54.511252] ---[ end trace 10d994e9f30da984 ]--- lt for address: ffffffff95ef8930 # [ 44.821737] #PF: supervis<6>[ 54.516702] lkdtm: Zero detected: saturated or write access in kernel mode # [ 44.834076] #PF: error_code(0x0003) - permissions violation # [ 44.840591] PGD 134a29067 P4D 134a29067 PUD 134a2a063 PMD 80000001342000e1 # [ 44.848665] Oops: 0003 [#14] SMP PTI # [ 44.859158] CPU: 3 PID: 1903 Comm: cat Tainted: G D W 5.10.206-cip41 #1 # [ 44.868103] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 44.875195] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a # [ 44.880447] Code: 00 48 c7 c7 10 3b 38 96 48 c7 c6 30 89 ef 95 e8 4c da fb ff 48 8b 05 d0 92 a9 00 ba 34 12 cd ab 48 c7 c7 40 3b 38 96 48 31 d0 <48> 89 05 ba 92 a9 00 e9 2a da fb ff 0f 1f 44 00 00 48 8b 05 c9 bc # [ 44.907938] RSP: 0018:ffff98cb0275fe60 EFLAGS: 00010202 # [ 44.914063] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 # [ 44.922324] RDX: 00000000abcd1234 RSI: ffff9237bad9bf50 RDI: ffffffff96383b40 # [ 44.930587] RBP: ffffffff96382d2d R08: 0000000000000000 R09: 0000000000000000 # [ 44.938847] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 # [ 44.947108] R13: ffff98cb0275ff10 R14: ffff98cb0275ff10 R15: ffff923742fcd000 # [ 44.955370] FS: 00007f23982b1580(0000) GS:ffff9237bad80000(0000) knlGS:0000000000000000 # [ 44.964702] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 44.971410] CR2: ffffffff95ef8930 CR3: 0000000106676006 CR4: 00000000003706e0 # [ 44.979672] Call Trace: # [ 44.982695] ? __die_body.cold+0x1a/0x1f # [ 44.987364] ? no_context+0x177/0x380 # [ 44.991733] ? exc_page_<6>[ 54.671252] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED fault+0xd7/0x170 # [ 44.996402] ? asm_exc_page_fault+0x1e/0x<6>[ 54.684137] lkdtm: attempting bad refcount_inc() from saturated 30 # [ 45.001364] ? lkdtm_WRITE_RO+0x2e/0x3a # [ 45.00593<4>[ 54.697260] ------------[ cut here ]------------ <4>[ 54.708921] refcount_t: saturated; leaking memory. 7] direct_entry.cold+0x2c/0x38 # [ 45.010606] full_proxy_wr<4>[ 54.714595] WARNING: CPU: 1 PID: 2353 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 ite+0x53/0x80 # [ 45.015170] vfs_write+0xe7/0x3b0 # [ 45.<4>[ 54.730495] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc snd_soc_da7219 videobuf2_memops videobuf2_v4l2 cros_ec_chardev cros_usbpd_charger cros_usbpd_logger cros_ec_lightbar cros_ec_sysfs snd_soc_core cros_ec_sensorhub cros_ec_debugfs snd_compress 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 019159] ksys_write+0x68/0xf0 # [ 45.023150] do_syscall_64+0<4>[ 54.789454] CPU: 1 PID: 2353 Comm: cat Tainted: G D W 5.10.206-cip41 #1 <4>[ 54.804613] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 x30/0x40 # [ 45.027429] entry_SYSCALL_64_after_hwframe+0x62/<4>[ 54.811733] RIP: 0010:refcount_warn_saturate+0x51/0x110 0xc7 # [ 45.033360] RIP: 0033:0x7f23981c7473 # [ 45.037649<4>[ 54.824076] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 39 fa 16 02 00 75 ee 48 c7 c7 48 d9 2d 96 c6 05 29 fa 16 02 01 e8 09 f0 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 15 fa 16 02 00 75 cb 48 c7 c7 70 d9 2d ] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb<4>[ 54.851571] RSP: 0018:ffff98cb02ebfe48 EFLAGS: 00010286 <4>[ 54.863916] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 <4>[ 54.872203] RDX: ffff9237bacac620 RSI: ffff9237bac9bf50 RDI: ffff9237bac9bf50 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89<4>[ 54.886660] RBP: ffffffff96382dcd R08: 0000000000000000 R09: 0000000000000000 <4>[ 54.901136] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 <4>[ 54.909399] R13: ffff98cb02ebff10 R14: ffff98cb02ebff10 R15: ffff923745a98000 <4>[ 54.917665] FS: 00007f3393e73580(0000) GS:ffff9237bac80000(0000) knlGS:0000000000000000 54 24 18 # [ 45.058927] RSP: 002b:00007ffc67beee28 EFLAGS: 0<4>[ 54.926998] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 54.939916] CR2: 00007f3393c7d000 CR3: 000000010270c005 CR4: 00000000003706e0 <4>[ 54.948180] Call Trace: 0000246 ORIG_RAX: 0000000000000001 # [ 45.067694] RAX: ffffff<4>[ 54.951205] ? __warn+0x80/0x110 <4>[ 54.961334] ? refcount_warn_saturate+0x51/0x110 ffffffffda RBX: 0000000000000009 RCX: 00007f23981c7473 # [ 45<4>[ 54.966784] ? report_bug+0x9e/0xc0 .075945] RDX: 0000000000000009 RSI: 00007f23980bb000 RDI: 000000<4>[ 54.977178] ? handle_bug+0x41/0x90 <4>[ 54.987576] ? exc_invalid_op+0x14/0x70 0000000001 # [ 45.084207] RBP: 00007f23980bb000 R08: 00007f23<4>[ 54.992152] ? asm_exc_invalid_op+0x12/0x20 980ba010 R09: 0000000000000000 # [ 45.092468] R10: ffffffffff<4>[ 55.003327] ? refcount_warn_saturate+0x51/0x110 <4>[ 55.014987] ? refcount_warn_saturate+0x51/0x110 fffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 45.100<4>[ 55.020436] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 <4>[ 55.032386] direct_entry.cold+0x2c/0x38 730] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000<4>[ 55.037060] full_proxy_write+0x53/0x80 020000 # [ 45.108995] Modules linked in: fuse ip_tables cros_<4>[ 55.047845] vfs_write+0xe7/0x3b0 <4>[ 55.058052] ksys_write+0x68/0xf0 ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_t<4>[ 55.062044] do_syscall_64+0x30/0x40 <4>[ 55.072534] entry_SYSCALL_64_after_hwframe+0x62/0xc7 riggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmallo<4>[ 55.078472] RIP: 0033:0x7f3393d89473 c snd_soc_da7219 videobuf2_memops videobuf2_v4l2 cros_ec_chardev<4>[ 55.088966] 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 cros_usbpd_charger cros_usbpd_logger cros_ec_lightbar cros_ec_s<4>[ 55.116458] RSP: 002b:00007fff5a526d28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 55.131422] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f3393d89473 ysfs snd_soc_core cros_ec_sensorhub cros_ec_debugfs snd_compress<4>[ 55.139721] RDX: 0000000000000017 RSI: 00007f3393c7d000 RDI: 0000000000000001 <4>[ 55.154178] RBP: 00007f3393c7d000 R08: 00007f3393c7c010 R09: 0000000000000000 gsmi x86_pkg_temp_thermal cros_ec_dev snd_pcm_dmaengine videobu<4>[ 55.162445] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 55.176918] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 f2_common regmap_i2c i2c_hid cros_usbpd_notify cros_kbd_led_back<4>[ 55.185188] irq event stamp: 0 <4>[ 55.195095] hardirqs last enabled at (0): [<0000000000000000>] 0x0 light chromeos_pstore coreboot_table # [ 45.161783] CR2: ffff<4>[ 55.202390] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 55.218029] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 ffff95ef8930 # [ 45.171986] ---[ end trace 10d994e9f30da978 ]<4>[ 55.227459] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 55.240960] ---[ end trace 10d994e9f30da985 ]--- --- # [ 45.177431] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 45.182<6>[ 55.246409] lkdtm: Saturation detected: still saturated 099] Code: 89 ff e8 5e d4 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 f0 7d 0b 03 # [ 45.203364] RSP: 0018:ffff98cb012dfe60 EFLAGS: 00010286 # [ 45.209488] RAX: ffffffff94d7bf00 RBX: 0000000000000001 RCX: 0000000000000000 # [ 45.217749] RDX: 0000000000000000 RSI: ffff9237bac9bf50 RDI: ffffffff95ef84b0 # [ 45.226012] RBP: ffffffff963e8e88 R08: 0000000000000001 R09: 0000000000000001 # [ 45.234272] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 45.242533] R13: ffff98cb012dff10 R14: ffff98cb012dff10 R15: ffff923742bf6000 # [ 45.250792] FS: 00007f23982b1580(0000) GS:ffff9237bad80000(0000) knlGS:0000000000000000 # [ 45.260122] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 45.266828] CR2: ffffffff95ef8930 CR3: 0000000106676006 CR4: 00000000003706e0 # WRITE_RO: saw 'call trace:': ok ok 39 selftests: lkdtm: WRITE_RO.sh # selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # Killed # [ 45.407769] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT # [ 45.418793] lkdtm: attempting bad ro_after_init write at ffffffff9640b350 # [ 45.432894] BUG: unable to handle page fault for address: ffffffff9640b350 # [ 45.447073] #PF: supervisor write access in kernel mode # [ 45.453200] #PF: error_code(0x0003) - permissions violation # [ 45.459724] PGD 134a29067 P4D 134a29067 PUD 134a2a063 PMD 10005e063 PTE 800000013480b061 # [ 45.475271] Oops: 0003 [#15] SMP PTI # [ 45.479555] CPU: 1 PID: 1939 Comm: cat<6>[ 55.408657] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED <6>[ 55.421227] lkdtm: attempting bad refcount_dec() from saturated <4>[ 55.428149] ------------[ cut here ]------------ Tainted: G D W 5.10.206-cip41 #1 # [ 45.488497]<4>[ 55.433605] refcount_t: decrement hit 0; leaking memory. Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 45<4>[ 55.446058] WARNING: CPU: 3 PID: 2389 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 .495588] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a # [ 45<4>[ 55.461981] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc snd_soc_da7219 videobuf2_memops videobuf2_v4l2 cros_ec_chardev cros_usbpd_charger cros_usbpd_logger cros_ec_lightbar cros_ec_sysfs snd_soc_core cros_ec_sensorhub cros_ec_debugfs snd_compress 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>[ 55.521000] CPU: 3 PID: 2389 Comm: cat Tainted: G D W 5.10.206-cip41 #1 .501908] Code: 3b 38 96 e9 fe d9 fb ff 48 c7 c7 98 3b 38 96 e8 f<4>[ 55.529955] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 55.543260] RIP: 0010:refcount_warn_saturate+0xfb/0x110 <4>[ 55.549413] Code: f8 d9 2d 96 c6 05 95 f9 16 02 01 e8 79 ef c5 00 0f 0b c3 cc cc cc cc 48 c7 c7 c8 d9 2d 96 c6 05 7c f9 16 02 01 e8 5f ef 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>[ 55.570697] RSP: 0018:ffff98cb02f47e48 EFLAGS: 00010286 <4>[ 55.576825] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 <4>[ 55.585091] RDX: ffff9237badac620 RSI: ffff9237bad9bf50 RDI: ffff9237bad9bf50 <4>[ 55.593354] RBP: ffffffff96382de4 R08: 0000000000000000 R09: 0000000000000000 <4>[ 55.601619] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 <4>[ 55.609906] R13: ffff98cb02f47f10 R14: ffff98cb02f47f10 R15: ffff9237429e2000 <4>[ 55.618172] FS: 00007ff28cb47580(0000) GS:ffff9237bad80000(0000) knlGS:0000000000000000 <4>[ 55.627503] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 55.634213] CR2: 00007ff28c951000 CR3: 0000000106448006 CR4: 00000000003706e0 <4>[ 55.642475] Call Trace: <4>[ 55.645499] ? __warn+0x80/0x110 2 d9 fb ff 48 8b 05 96 bc fa 00 ba 34 12 cd ab 48 c7 c7 40 3b 38<4>[ 55.649419] ? refcount_warn_saturate+0xfb/0x110 <4>[ 55.661076] ? report_bug+0x9e/0xc0 <4>[ 55.665263] ? handle_bug+0x41/0x90 <4>[ 55.669474] ? exc_invalid_op+0x14/0x70 <4>[ 55.674048] ? asm_exc_invalid_op+0x12/0x20 <4>[ 55.679014] ? refcount_warn_saturate+0xfb/0x110 96 48 31 d0 <48> 89 05 80 bc fa 00 e9 d0 d9 fb ff 0f 1f 44 00 0<4>[ 55.684487] ? refcount_warn_saturate+0xfb/0x110 <4>[ 55.696147] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f <4>[ 55.701888] direct_entry.cold+0x2c/0x38 0 41 54 48 c7 c7 # [ 45.529394] RSP: 0018:ffff98cb027ffe60 EF<4>[ 55.706564] full_proxy_write+0x53/0x80 LAGS: 00010202 # [ 45.535518] RAX: 00000000fe67479e RBX: 0000<4>[ 55.717355] vfs_write+0xe7/0x3b0 000000000029 RCX: 0000000000000000 # [ 45.543779] RDX: 000000<4>[ 55.727562] ksys_write+0x68/0xf0 <4>[ 55.737771] do_syscall_64+0x30/0x40 <4>[ 55.742084] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 55.748020] RIP: 0033:0x7ff28ca5d473 <4>[ 55.752302] 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>[ 55.773579] RSP: 002b:00007ffe96b27278 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 55.782329] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007ff28ca5d473 <4>[ 55.790592] RDX: 0000000000000017 RSI: 00007ff28c951000 RDI: 0000000000000001 <4>[ 55.798855] RBP: 00007ff28c951000 R08: 00007ff28c950010 R09: 0000000000000000 <4>[ 55.807121] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 55.815385] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 00abcd1234 RSI: ffff9237bac9bf50 RDI: ffffffff96383b40 # [ 45<4>[ 55.823656] irq event stamp: 0 <4>[ 55.833567] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 55.840860] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 55.850289] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 55.859719] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 55.867013] ---[ end trace 10d994e9f30da986 ]--- <6>[ 55.872459] lkdtm: Saturation detected: still saturated .552039] RBP: ffffffff96382d36 R08: 0000000000000000 R09: 0000000000000000 # [ 45.560301] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 # [ 45.568560] R13: ffff98cb027fff10 R14: ffff98cb027fff10 R15: ffff923742be9000 # [ 45.576822] FS: 00007f8fd3a7f580(0000) GS:ffff9237bac80000(0000) knlGS:0000000000000000 # [ 45.586151] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 45.592850] CR2: ffffffff9640b350 CR3: 0000000102660005 CR4: 00000000003706e0 # [ 45.601110] Call Trace: # [ 45.604129] ? __die_body.cold+0x1a/0x1f # [ 45.608800] ? no_context+0x177/0x380 # [ 45.619392] ? exc_page_fault+0xd7/0x170 # [ 45.624063] ? asm_exc_page_fault+0x1e/0x30 # [ 45.635237] ? lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a # [ 45.640877] direct_entry.cold+0x2c/0x38 # [ 45.651761] full_proxy_write+0x53/0x80 # [ 45.656336] vfs_write+0xe7/0x3b0 # [ 45.660327] ksys_write+0x68/0xf0 # [ 45.670530] do_syscall_64+0x30/0x40 # [ 45.674810] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 45.680740] RIP: 0033:0x7f8fd3995473 # [ 45.685020] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 45.706283] RSP: 002b:00007ffda796cb98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 45.715029]<6>[ 56.014364] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f8fd39954<6>[ 56.022499] lkdtm: attempting bad refcount_dec() from saturated 73 # [ 45.723288] RDX: 0000000000000014 RSI: 00007f8fd3889000<4>[ 56.035623] ------------[ cut here ]------------ <4>[ 56.047282] refcount_t: saturated; leaking memory. <4>[ 56.052953] WARNING: CPU: 2 PID: 2425 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 RDI: 0000000000000001 # [ 45.731547] RBP: 00007f8fd3889000 R<4>[ 56.062678] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc snd_soc_da7219 videobuf2_memops videobuf2_v4l2 cros_ec_chardev cros_usbpd_charger cros_usbpd_logger cros_ec_lightbar cros_ec_sysfs snd_soc_core cros_ec_sensorhub cros_ec_debugfs snd_compress 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 08: 00007f8fd3888010 R09: 0000000000000000 # [ 45.739806] R10<4>[ 56.121659] CPU: 2 PID: 2425 Comm: cat Tainted: G D W 5.10.206-cip41 #1 <4>[ 56.136810] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 56.143934] RIP: 0010:refcount_warn_saturate+0x51/0x110 <4>[ 56.150060] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 39 fa 16 02 00 75 ee 48 c7 c7 48 d9 2d 96 c6 05 29 fa 16 02 01 e8 09 f0 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 15 fa 16 02 00 75 cb 48 c7 c7 70 d9 2d <4>[ 56.171335] RSP: 0018:ffff98cb02fcfe48 EFLAGS: 00010286 <4>[ 56.177463] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 <4>[ 56.185726] RDX: ffff9237bad2c620 RSI: ffff9237bad1bf50 RDI: ffff9237bad1bf50 <4>[ 56.193990] RBP: ffffffff96382dfb R08: 0000000000000000 R09: 0000000000000000 <4>[ 56.202252] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 <4>[ 56.210514] R13: ffff98cb02fcff10 R14: ffff98cb02fcff10 R15: ffff923743fb5000 <4>[ 56.218778] FS: 00007f0ae2fa9580(0000) GS:ffff9237bad00000(0000) knlGS:0000000000000000 <4>[ 56.228111] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 56.234820] CR2: 00007f0ae2db3000 CR3: 0000000102c46002 CR4: 00000000003706e0 <4>[ 56.243083] Call Trace: <4>[ 56.246106] ? __warn+0x80/0x110 <4>[ 56.250030] ? refcount_warn_saturate+0x51/0x110 <4>[ 56.255480] ? report_bug+0x9e/0xc0 <4>[ 56.259669] ? handle_bug+0x41/0x90 <4>[ 56.263879] ? exc_invalid_op+0x14/0x70 <4>[ 56.268452] ? asm_exc_invalid_op+0x12/0x20 <4>[ 56.273419] ? refcount_warn_saturate+0x51/0x110 <4>[ 56.278897] ? refcount_warn_saturate+0x51/0x110 <4>[ 56.284345] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 <4>[ 56.290084] direct_entry.cold+0x2c/0x38 : fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 56.294760] full_proxy_write+0x53/0x80 # [ 45.748066] R13: 0000000000000001 R14: 0000000000020000 R15<4>[ 56.305551] vfs_write+0xe7/0x3b0 : 0000000000020000 # [ 45.756331] Modules linked in: fuse ip_<4>[ 56.315756] ksys_write+0x68/0xf0 <4>[ 56.325965] do_syscall_64+0x30/0x40 <4>[ 56.330278] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 56.336210] RIP: 0033:0x7f0ae2ebf473 <4>[ 56.340490] 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>[ 56.361767] RSP: 002b:00007ffe313953f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 56.370518] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f0ae2ebf473 <4>[ 56.378780] RDX: 0000000000000017 RSI: 00007f0ae2db3000 RDI: 0000000000000001 <4>[ 56.387044] RBP: 00007f0ae2db3000 R08: 00007f0ae2db2010 R09: 0000000000000000 <4>[ 56.395307] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 56.403571] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 56.411839] irq event stamp: 0 <4>[ 56.415568] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 56.422863] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 56.432293] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 56.441722] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 56.449013] ---[ end trace 10d994e9f30da987 ]--- <6>[ 56.454451] lkdtm: Saturation detected: still saturated tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc snd_soc_da7219 videobuf2_memops videobuf2_v4l2 cros_ec_chardev cros_usbpd_charger cros_usbpd_logger cros_ec_lightbar cros_ec_sysfs snd_soc_core cros_ec_sensorhub cros_ec_debugfs snd_compress 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 # [ 45.815290] CR2: ffffffff9640b350 # [ 45.819279] ---[ end trace 10d994e9f30da979 ]--- # [ 45.824727] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 45.829397] Code: 89 ff e8 5e d4 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 f0 7d 0b 03 # [ 45.850669] RSP: 0018:ffff98cb012dfe60 EFLAGS: 00010286 # [ 45.856794] RAX: ffffffff94d7bf00 RBX: 0000000000000001 RCX: 0000000000000000 # [ 45.865057] RDX: 0000000000000000 RSI: ffff9237bac9bf50 RDI: ffffffff95ef84b0 # [ 45.873319] RBP: ffffffff963e8e88 R08: 0000000000000001 R09: 0000000000000001 # [ 45.881580] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 45.889842] R13: ffff98cb012dff10 R14: ffff98cb012dff10 R15: ffff923742bf6000 # [ 45.898103] FS: 00007f8fd3a7f580(0000) GS:ffff9237bac80000(0000) knlGS:0000000000000000 # [ 45.907431] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 45.914140] CR2: ffffffff9640b350 CR3: 0000000102660005 CR4: 00000000003706e0 # [ 45.9224<6>[ 56.612067] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED <6>[ 56.624031] lkdtm: attempting bad refcount_inc_not_zero() from saturated <4>[ 56.631845] ------------[ cut here ]------------ 00] BUG: sleeping function called from invalid context at includ<4>[ 56.637323] refcount_t: saturated; leaking memory. e/linux/percpu-rwsem.h:49 # [ 45.932604] in_atomic(): 0, irqs<4>[ 56.649193] WARNING: CPU: 2 PID: 2458 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 _disabled(): 1, non_block: 0, pid: 1939, name: cat # [ 45.941<4>[ 56.665115] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc snd_soc_da7219 videobuf2_memops videobuf2_v4l2 cros_ec_chardev cros_usbpd_charger cros_usbpd_logger cros_ec_lightbar cros_ec_sysfs snd_soc_core cros_ec_sensorhub cros_ec_debugfs snd_compress 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>[ 56.724132] CPU: 2 PID: 2458 Comm: cat Tainted: G D W 5.10.206-cip41 #1 351] INFO: lockdep is turned off. # [ 45.946019] irq event st<4>[ 56.733087] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 56.746392] RIP: 0010:refcount_warn_saturate+0x97/0x110 <4>[ 56.752519] Code: 02 01 e8 e6 ef c5 00 0f 0b c3 cc cc cc cc 80 3d f4 f9 16 02 00 75 a8 48 c7 c7 48 d9 2d 96 c6 05 e4 f9 16 02 01 e8 c3 ef c5 00 <0f> 0b c3 cc cc cc cc 80 3d ce f9 16 02 00 75 85 48 c7 c7 a0 d9 2d <4>[ 56.773796] RSP: 0018:ffff98cb0303fe38 EFLAGS: 00010282 <4>[ 56.779925] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 <4>[ 56.788189] RDX: ffff9237bad2c620 RSI: ffff9237bad1bf50 RDI: ffff9237bad1bf50 <4>[ 56.796453] RBP: ffffffff96382a28 R08: 0000000000000000 R09: 0000000000000000 <4>[ 56.804715] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 <4>[ 56.812978] R13: ffff98cb0303ff10 R14: ffff98cb0303ff10 R15: ffff9237463a4000 <4>[ 56.821241] FS: 00007ff33e384580(0000) GS:ffff9237bad00000(0000) knlGS:0000000000000000 <4>[ 56.830572] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 56.837282] CR2: 00007ff33e18e000 CR3: 0000000103318004 CR4: 00000000003706e0 <4>[ 56.845545] Call Trace: <4>[ 56.848567] ? __warn+0x80/0x110 <4>[ 56.852486] ? refcount_warn_saturate+0x97/0x110 <4>[ 56.857933] ? report_bug+0x9e/0xc0 <4>[ 56.862120] ? handle_bug+0x41/0x90 <4>[ 56.866329] ? exc_invalid_op+0x14/0x70 <4>[ 56.870904] ? asm_exc_invalid_op+0x12/0x20 <4>[ 56.875869] ? refcount_warn_saturate+0x97/0x110 <4>[ 56.881342] ? refcount_warn_saturate+0x97/0x110 <4>[ 56.886790] __refcount_add_not_zero.constprop.0+0x2a/0x35 <4>[ 56.893210] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 <4>[ 56.899825] direct_entry.cold+0x2c/0x38 <4>[ 56.904496] full_proxy_write+0x53/0x80 <4>[ 56.909095] vfs_write+0xe7/0x3b0 amp: 0 # [ 45.949718] hardirqs last enabled at (0): [<000000<4>[ 56.913090] ksys_write+0x68/0xf0 0000000000>] 0x0 # [ 45.957002] hardirqs last disabled at (0)<4>[ 56.923299] do_syscall_64+0x30/0x40 : [] copy_process+0x65c/0x20e0 # [ 45.96642<4>[ 56.933797] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 56.945951] RIP: 0033:0x7ff33e29a473 <4>[ 56.950257] 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>[ 56.971533] RSP: 002b:00007fffbee54448 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 56.980282] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007ff33e29a473 <4>[ 56.988547] RDX: 0000000000000020 RSI: 00007ff33e18e000 RDI: 0000000000000001 <4>[ 56.996809] RBP: 00007ff33e18e000 R08: 00007ff33e18d010 R09: 0000000000000000 <4>[ 57.005073] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 57.013333] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 57.021590] irq event stamp: 0 <4>[ 57.025319] hardirqs last enabled at (0): [<0000000000000000>] 0x0 8] softirqs last enabled at (0): [] copy_proc<4>[ 57.032617] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 57.048254] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 57.057697] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 57.065020] ---[ end trace 10d994e9f30da988 ]--- <6>[ 57.070467] lkdtm: Saturation detected: still saturated ess+0x65c/0x20e0 # [ 45.975855] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 45.983136] CPU: 1 PID: 1939 Comm: cat Tainted: G D W 5.10.206-cip41 #1 # [ 45.992077] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 45.999173] Call Trace: # [ 46.002191] dump_stack+0x77/0x9b # [ 46.006183] ___might_sleep.cold+0xa6/0xb6 # [ 46.017260] exit_signals+0x1c/0x300 # [ 46.021540] do_exit+0xc2/0xab0 # [ 46.025336] ? ksys_write+0x68/0xf0 # [ 46.029519] make_task_dead+0x2f/0x30 # [ 46.033899] rewind_stack_and_make_dead+0x17/0x20 # [ 46.039440] RIP: 0033:0x7f8fd3995473 # [ 46.043720] 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 # [ 46.064984] RSP: 002b:00007ffda796cb98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 46.073733] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f8fd3995473 # [ 46.081994] RDX: 0000000000000014 RSI: 00007f8fd3889000 RDI: 0000000000000001 # [ 46.090254] RBP: 00007f8fd3889000 R08: 00007f8fd3888010 R09: 0000000000000000 # [ 46.098515] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 46.106774] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # WRITE_RO_AFTER_INIT: saw 'call trace:': ok ok 40 selftests: lkdtm: WRITE_RO_AFTER_INIT.sh # selftests<6>[ 57.216685] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED <6>[ 57.227588] lkdtm: attempting bad refcount_add_not_zero() from saturated <4>[ 57.235388] ------------[ cut here ]------------ : lkdtm: WRITE_KERN.sh # Killed # [ 46.264866] lkdtm: Perfor<4>[ 57.240847] refcount_t: saturated; leaking memory. ming direct entry WRITE_KERN # [ 46.276501] lkdtm: attempting<4>[ 57.252719] WARNING: CPU: 3 PID: 2491 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 bad 7222026 byte write at ffffffff9545f5da # [ 46.290525] BU<4>[ 57.268656] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc snd_soc_da7219 videobuf2_memops videobuf2_v4l2 cros_ec_chardev cros_usbpd_charger cros_usbpd_logger cros_ec_lightbar cros_ec_sysfs snd_soc_core cros_ec_sensorhub cros_ec_debugfs snd_compress 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>[ 57.327616] CPU: 3 PID: 2491 Comm: cat Tainted: G D W 5.10.206-cip41 #1 <4>[ 57.336589] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 57.343699] RIP: 0010:refcount_warn_saturate+0x97/0x110 <4>[ 57.349850] Code: 02 01 e8 e6 ef c5 00 0f 0b c3 cc cc cc cc 80 3d f4 f9 16 02 00 75 a8 48 c7 c7 48 d9 2d 96 c6 05 e4 f9 16 02 01 e8 c3 ef c5 00 <0f> 0b c3 cc cc cc cc 80 3d ce f9 16 02 00 75 85 48 c7 c7 a0 d9 2d <4>[ 57.371128] RSP: 0018:ffff98cb030cfe38 EFLAGS: 00010282 <4>[ 57.377256] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 <4>[ 57.385519] RDX: ffff9237badac620 RSI: ffff9237bad9bf50 RDI: ffff9237bad9bf50 <4>[ 57.393784] RBP: ffffffff96382a48 R08: 0000000000000000 R09: 0000000000000000 <4>[ 57.402071] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 <4>[ 57.410335] R13: ffff98cb030cff10 R14: ffff98cb030cff10 R15: ffff923745a3b000 <4>[ 57.418598] FS: 00007f0407801580(0000) GS:ffff9237bad80000(0000) knlGS:0000000000000000 <4>[ 57.427929] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 57.434667] CR2: 00007f040760b000 CR3: 00000001064ee004 CR4: 00000000003706e0 G: unable to handle page fault for address: ffffffff9545f5da # <4>[ 57.442941] Call Trace: <4>[ 57.452175] ? __warn+0x80/0x110 <4>[ 57.456100] ? refcount_warn_saturate+0x97/0x110 <4>[ 57.461548] ? report_bug+0x9e/0xc0 <4>[ 57.465736] ? handle_bug+0x41/0x90 <4>[ 57.469923] ? exc_invalid_op+0x14/0x70 <4>[ 57.474499] ? asm_exc_invalid_op+0x12/0x20 <4>[ 57.479464] ? refcount_warn_saturate+0x97/0x110 <4>[ 57.484933] ? refcount_warn_saturate+0x97/0x110 <4>[ 57.490382] __refcount_add_not_zero.constprop.0+0x2a/0x35 <4>[ 57.496803] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 <4>[ 57.503417] direct_entry.cold+0x2c/0x38 <4>[ 57.508089] full_proxy_write+0x53/0x80 [ 46.304679] #PF: supervisor write access in kernel mode # [ <4>[ 57.512668] vfs_write+0xe7/0x3b0 46.310806] #PF: error_code(0x0003) - permissions violation # <4>[ 57.522874] ksys_write+0x68/0xf0 [ 46.323534] PGD 134a29067 P4D 134a29067 PUD 134a2a063 PMD 133<4>[ 57.533085] do_syscall_64+0x30/0x40 <4>[ 57.543582] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 57.549515] RIP: 0033:0x7f0407717473 <4>[ 57.553797] Code: 8b 15 21 2a 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 <4>[ 57.575098] RSP: 002b:00007ffc3d223ca8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 8000e1 # [ 46.337145] Oops: 0003 [#16] SMP PTI # [ 46.341<4>[ 57.583860] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f0407717473 <4>[ 57.598329] RDX: 0000000000000020 RSI: 00007f040760b000 RDI: 0000000000000001 <4>[ 57.606591] RBP: 00007f040760b000 R08: 00007f040760a010 R09: 0000000000000000 <4>[ 57.614853] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 57.623108] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 57.631374] irq event stamp: 0 <4>[ 57.635103] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 57.642395] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 57.651826] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 57.661255] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 57.668548] ---[ end trace 10d994e9f30da989 ]--- <6>[ 57.673993] lkdtm: Saturation detected: still saturated 427] CPU: 1 PID: 1975 Comm: cat Tainted: G D W 5.10.206-cip41 #1 # [ 46.350371] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 46.357469] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e # [ 46.362915] Code: 53 48 c7 c3 da f5 45 95 49 89 dc 48 89 da 49 81 ec d0 c2 d7 94 4c 89 e6 e8 a5 d9 fb ff 48 89 df 4c 89 e1 48 c7 c6 d0 c2 d7 94 a4 48 c7 c7 40 3b 38 96 e8 8a d9 fb ff 5b 41 5c e9 b7 fe ff ff # [ 46.390405] RSP: 0018:ffff98cb028bfe50 EFLAGS: 00010246 # [ 46.396530] RAX: 000000000000003c RBX: ffffffff9545f5da RCX: 00000000006e330a # [ 46.404792] RDX: 0000000000000000 RSI: ffffffff94d7c2d0 RDI: ffffffff9545f5da # [ 46.413053] RBP: ffffffff96382d4a R08: 0000000000000000 R09: 0000000000000000 # [ 46.421313] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000006e330a # [ 46.429575] R13: ffff98cb028bff10 R14: ffff98cb028bff10 R15: ffff9237465e0000 # [ 46.437836] FS: 00007fb899097580(0000) GS:ffff9237bac80000(0000) knlGS:0000000000000000 # [ 46.447162] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 46.453868] CR2: ffffffff9545f5da CR3: 0000000106676004 CR4: 00000000003706e0 # [ 46.462130] Call Trace: # [ 46.465150] ? __die_body.cold+0x1a/0x1f # [ 46.469823] ? no_context+0x177/0x380 # [ 46.480412] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 # [ 46.486151] ? exc_page_fault+0xd7/0x170 # [ 46.490821] ? asm_exc_page_fault+0x1e/0x30 # [ 46.495781] ? lkdtm_SLAB_FREE_CROSS.c<6>[ 57.820904] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED <6>[ 57.831089] lkdtm: attempting bad refcount_dec_and_test() from saturated <4>[ 57.838891] ------------[ cut here ]------------ old+0x32/0x32 # [ 46.501521] ? lkdtm_SLAB_FREE_PAGE+0x40/0x4<4>[ 57.844358] refcount_t: underflow; use-after-free. 0 # [ 46.506696] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 # [<4>[ 57.856230] WARNING: CPU: 3 PID: 2527 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 46.518670] ? lkdtm_WRITE_KERN+0x38/0x4e # [ 46.523437] d<4>[ 57.872154] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc snd_soc_da7219 videobuf2_memops videobuf2_v4l2 cros_ec_chardev cros_usbpd_charger cros_usbpd_logger cros_ec_lightbar cros_ec_sysfs snd_soc_core cros_ec_sensorhub cros_ec_debugfs snd_compress 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>[ 57.931168] CPU: 3 PID: 2527 Comm: cat Tainted: G D W 5.10.206-cip41 #1 irect_entry.cold+0x2c/0x38 # [ 46.528108] full_proxy_write+0<4>[ 57.940124] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 57.953431] RIP: 0010:refcount_warn_saturate+0xba/0x110 <4>[ 57.959559] Code: 02 01 e8 c3 ef c5 00 0f 0b c3 cc cc cc cc 80 3d ce f9 16 02 00 75 85 48 c7 c7 a0 d9 2d 96 c6 05 be f9 16 02 01 e8 a0 ef c5 00 <0f> 0b c3 cc cc cc cc 80 3d a9 f9 16 02 00 0f 85 5e ff ff ff 48 c7 <4>[ 57.980835] RSP: 0018:ffff98cb03157e40 EFLAGS: 00010286 <4>[ 57.986961] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 <4>[ 57.995223] RDX: ffff9237badac620 RSI: ffff9237bad9bf50 RDI: ffff9237bad9bf50 <4>[ 58.003488] RBP: ffffffff96382a68 R08: 0000000000000000 R09: 0000000000000000 <4>[ 58.011751] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 <4>[ 58.020013] R13: ffff98cb03157f10 R14: ffff98cb03157f10 R15: ffff9237460ed000 <4>[ 58.028267] FS: 00007fb050f6a580(0000) GS:ffff9237bad80000(0000) knlGS:0000000000000000 <4>[ 58.037598] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 58.044306] CR2: 00007fb050d74000 CR3: 0000000103fcc004 CR4: 00000000003706e0 <4>[ 58.052570] Call Trace: <4>[ 58.055592] ? __warn+0x80/0x110 <4>[ 58.059516] ? refcount_warn_saturate+0xba/0x110 <4>[ 58.064964] ? report_bug+0x9e/0xc0 <4>[ 58.069150] ? handle_bug+0x41/0x90 <4>[ 58.073358] ? exc_invalid_op+0x14/0x70 <4>[ 58.077932] ? asm_exc_invalid_op+0x12/0x20 <4>[ 58.082899] ? refcount_warn_saturate+0xba/0x110 <4>[ 58.088380] __refcount_sub_and_test.constprop.0+0x3c/0x50 <4>[ 58.094825] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 <4>[ 58.101439] direct_entry.cold+0x2c/0x38 <4>[ 58.106110] full_proxy_write+0x53/0x80 <4>[ 58.110723] vfs_write+0xe7/0x3b0 <4>[ 58.114718] ksys_write+0x68/0xf0 <4>[ 58.118724] do_syscall_64+0x30/0x40 <4>[ 58.123008] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 58.128942] RIP: 0033:0x7fb050e80473 <4>[ 58.133224] 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>[ 58.154501] RSP: 002b:00007ffca7724d78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 58.163250] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fb050e80473 <4>[ 58.171515] RDX: 0000000000000020 RSI: 00007fb050d74000 RDI: 0000000000000001 <4>[ 58.179779] RBP: 00007fb050d74000 R08: 00007fb050d73010 R09: 0000000000000000 <4>[ 58.188035] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 x53/0x80 # [ 46.532697] vfs_write+0xe7/0x3b0 # [ 46.54288<4>[ 58.196300] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 5] ksys_write+0x68/0xf0 # [ 46.546875] do_syscall_64+0x30/0<4>[ 58.210787] irq event stamp: 0 <4>[ 58.220699] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 58.227992] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 58.237422] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 58.246852] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 58.254145] ---[ end trace 10d994e9f30da98a ]--- <6>[ 58.259593] lkdtm: Saturation detected: still saturated x40 # [ 46.551154] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 46.557085] RIP: 0033:0x7fb898fad473 # [ 46.561364] 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 # [ 46.582647] RSP: 002b:00007ffd92e5c478 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 46.591394] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007fb898fad473 # [ 46.599654] RDX: 000000000000000b RSI: 00007fb898ea1000 RDI: 0000000000000001 # [ 46.607915] RBP: 00007fb898ea1000 R08: 00007fb898ea0010 R09: 0000000000000000 # [ 46.616176] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 46.624437] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 46.632704] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc snd_soc_da7219 videobuf2_memops videobuf2_v4l2 cros_ec_chardev cros_usbpd_charger cros_usbpd_logger cros_ec_lightbar cros_ec_sysfs snd_soc_core cros_ec_sensorhub cros_ec_debugfs snd_compress 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 # [ 46.691664] CR2: ffffffff9545f5da # [ 46.695653] ---[ end trace 10d994e9f30da97a ]--- # [ 46.701099] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 46.705766] Code: 89 ff e8 5e d4 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 f0 7d 0b 03 # [ 46.727041] RSP: 0018:ffff98cb012dfe60 EFLAGS: 00010286 # [ 46.733164] RAX: ffffffff94d7bf00 RBX: 0000000000000001 RCX: 0000000000000000 # [ 46.741427] RDX: 0000000000000000 RSI: ffff9237bac9bf50 RDI: ffffffff95ef84b0 # [ 46.749696] RBP: ffffffff963e8e88 R08: 0000000000000001 R09: 0000000000000001 # [ 46.757957] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 46.766217] R13: ffff98cb012dff10 R14: ffff98cb012dff10 R15: ffff923742bf6000 # [ 46.774479] FS: 00007fb899097580(0000) GS:ffff9237bac80000(0000) knlGS:0000000000000000 # [ 46.783801] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 46.790508] CR2: ffffffff9545f5da CR3: 0000000106676004 CR4: 00000000003706e0 # WRITE_KERN: saw 'call trace:': ok ok 41 selftests: lkdtm: WRITE_KERN.sh # selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # [ 46.942453] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 46.955014] lkdtm: attempting good refcount_inc() without overflow # [ 46.968414] lkdtm: attempting bad refcount_inc() overflow # [ 46.980981] ------------[ cut here ]------------ # [ 46.992675] refcount_t: saturated; leaking memory. # [ 47.004570] WARNING: CPU: 0 PID: 2011 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 47.020489] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc snd_soc_da7219 videobuf2_memops videobuf2_v4l2 cros_ec_chardev cros_usbpd_charger cros_usbpd_logger cros_ec_lightbar cros_ec_sysfs snd_soc_core cros_ec_sensorhub cros_ec_debugfs snd_compress 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 # [ 47.079485] CPU: 0 PID: 2011 Comm: cat Tainted: G D W 5.10.206-cip41 #1 # [ 47.094662] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 47.107998] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 47.120390] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 8<6>[ 58.639908] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED <6>[ 58.652202] lkdtm: attempting bad refcount_sub_and_test() from saturated <4>[ 58.659994] ------------[ cut here ]------------ <4>[ 58.665447] refcount_t: underflow; use-after-free. <4>[ 58.671118] WARNING: CPU: 2 PID: 2563 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 0 3d 39 fa 16 02 00 75 ee 48 c7 c7 48 d9 2d 96 c6 05 29 fa 16 02<4>[ 58.680843] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc snd_soc_da7219 videobuf2_memops videobuf2_v4l2 cros_ec_chardev cros_usbpd_charger cros_usbpd_logger cros_ec_lightbar cros_ec_sysfs snd_soc_core cros_ec_sensorhub cros_ec_debugfs snd_compress 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>[ 58.739794] CPU: 2 PID: 2563 Comm: cat Tainted: G D W 5.10.206-cip41 #1 <4>[ 58.748737] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 58.755837] RIP: 0010:refcount_warn_saturate+0xba/0x110 <4>[ 58.761965] Code: 02 01 e8 c3 ef c5 00 0f 0b c3 cc cc cc cc 80 3d ce f9 16 02 00 75 85 48 c7 c7 a0 d9 2d 96 c6 05 be f9 16 02 01 e8 a0 ef c5 00 <0f> 0b c3 cc cc cc cc 80 3d a9 f9 16 02 00 0f 85 5e ff ff ff 48 c7 <4>[ 58.783242] RSP: 0018:ffff98cb031d7e40 EFLAGS: 00010286 <4>[ 58.789370] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 <4>[ 58.797649] RDX: ffff9237bad2c620 RSI: ffff9237bad1bf50 RDI: ffff9237bad1bf50 01 e8 09 f0 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 15 fa 16 02 00 7<4>[ 58.805915] RBP: ffffffff96382a88 R08: 0000000000000000 R09: 0000000000000000 <4>[ 58.820388] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 <4>[ 58.828650] R13: ffff98cb031d7f10 R14: ffff98cb031d7f10 R15: ffff923745a99000 <4>[ 58.836912] FS: 00007fe294242580(0000) GS:ffff9237bad00000(0000) knlGS:0000000000000000 <4>[ 58.846243] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 58.852951] CR2: 00007fe29404c000 CR3: 00000001059ee003 CR4: 00000000003706e0 <4>[ 58.861214] Call Trace: <4>[ 58.864235] ? __warn+0x80/0x110 <4>[ 58.868128] ? refcount_warn_saturate+0xba/0x110 <4>[ 58.873576] ? report_bug+0x9e/0xc0 <4>[ 58.877762] ? handle_bug+0x41/0x90 <4>[ 58.881947] ? exc_invalid_op+0x14/0x70 <4>[ 58.886521] ? asm_exc_invalid_op+0x12/0x20 <4>[ 58.891486] ? refcount_warn_saturate+0xba/0x110 <4>[ 58.896958] __refcount_sub_and_test.constprop.0+0x3c/0x50 <4>[ 58.903378] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 <4>[ 58.909995] direct_entry.cold+0x2c/0x38 <4>[ 58.914703] full_proxy_write+0x53/0x80 5 cb 48 c7 c7 70 d9 2d # [ 47.147862] RSP: 0018:ffff98cb0295f<4>[ 58.919283] vfs_write+0xe7/0x3b0 e48 EFLAGS: 00010286 # [ 47.160239] RAX: 0000000000000000 RBX<4>[ 58.929489] ksys_write+0x68/0xf0 : 000000000000002b RCX: 0000000000000000 # [ 47.174708] RDX: <4>[ 58.939697] do_syscall_64+0x30/0x40 <4>[ 58.950195] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 58.956130] RIP: 0033:0x7fe294158473 <4>[ 58.960412] 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>[ 58.981702] RSP: 002b:00007fffed80b4e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 58.990506] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fe294158473 ffff9237bac2c620 RSI: ffff9237bac1bf50 RDI: ffff9237bac1bf50 # <4>[ 58.998781] RDX: 0000000000000020 RSI: 00007fe29404c000 RDI: 0000000000000001 <4>[ 59.013249] RBP: 00007fe29404c000 R08: 00007fe29404b010 R09: 0000000000000000 <4>[ 59.021510] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 59.029772] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 <4>[ 59.038029] irq event stamp: 0 <4>[ 59.041759] hardirqs last enabled at (0): [<0000000000000000>] 0x0 <4>[ 59.049053] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 59.058481] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 <4>[ 59.067908] softirqs last disabled at (0): [<0000000000000000>] 0x0 <4>[ 59.075198] ---[ end trace 10d994e9f30da98b ]--- [ 47.189225] RBP: ffffffff96382d55 R08: 0000000000000000 R09: <6>[ 59.080650] lkdtm: Saturation detected: still saturated 0000000000000000 # [ 47.203714] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 47.218168] R13: ffff98cb0295ff10 R14: ffff98cb0295ff10 R15: ffff92374317b000 # [ 47.232695] FS: 00007f7b0ea8a580(0000) GS:ffff9237bac00000(0000) knlGS:0000000000000000 # [ 47.248268] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 47.261165] CR2: 00007f7b0e894000 CR3: 0000000103116002 CR4: 00000000003706f0 # [ 47.275687] Call Trace: # [ 47.284875] ? __warn+0x80/0x110 # [ 47.294994] ? refcount_warn_saturate+0x51/0x110 # [ 47.306694] ? report_bug+0x9e/0xc0 # [ 47.317090] ? handle_bug+0x41/0x90 # [ 47.327487] ? exc_invalid_op+0x14/0x70 # [ 47.338288] ? asm_exc_invalid_op+0x12/0x20 # [ 47.349463] ? refcount_warn_saturate+0x51/0x110 # [ 47.361136] ? refcount_warn_saturate+0x51/0x110 # [ 47.372794] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 # [ 47.384700] direct_entry.cold+0x2c/0x38 # [ 47.395565] full_proxy_write+0x53/0x80 # [ 47.406366] vfs_write+0xe7/0x3b0 # [ 47.416562] ksys_write+0x68/0xf0 # [ 47.426789] do_syscall_64+0x30/0x40 # [ 47.437274] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 47.449448] RIP: 0033:0x7f7b0e9a0473 # [ 47.459931] 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 # [ 47.487455] RSP: 002b:00007ffe031dff38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 47.502402] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f7b0e9a0473 # [ 47.516898] RDX: 0000000000000016 RSI: 00007f7b0e894000 RDI: 0000000000000001 # [ 47.531368] RBP: 00007f7b0e894000 R08: 00007f7b0e893010 R09: 0000000000000000 # [ 47.545889] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 47.560330] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 47.574839] irq event stamp: 0 # [ 47.584736] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 47.598261] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 47.613894] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 47.629582] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 47.643052] ---[ end trace 10d994e9f30da97b ]--- # [ 47.654772] lkdtm: Overflow detected: saturated # REFCOUNT_INC_OVERFLOW: saw 'call trace:': ok ok 42 selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh # [ 47.814755] lkdtm: Performing direct en<6>[ 59.345718] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO <6>[ 59.354904] lkdtm: attempting good copy_to_user of correct size <6>[ 59.361864] lkdtm: attempting bad copy_to_user of too large size try REFCOUNT_ADD_OVERFLOW # [ 47.822450] lkdtm: attempting good refcount_add() without overflow # [ 47.835865] lkdtm: attempting bad refcount_add() overflow # [ 47.848432] ------------[ cut here ]------------ # [ 47.860117] refcount_t: saturated; leaking memory. # [ 47.872002] WARNING: CPU: 0 PID: 2044 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 47.887927] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc snd_soc_da7219 videobuf2_memops videobuf2_v4l2 cros_ec_chardev cros_usbpd_charger cros_usbpd_logger cros_ec_lightbar cros_ec_sysfs snd_soc_core cros_ec_sensorhub cros_ec_debugfs snd_compress 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 # [ 47.946894] CPU: 0 PID: 2044 Comm: cat Tainted: G D W 5.10.206-cip41 #1 # [ 47.962048] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 47.975386] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 47.987750] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 39 fa 16 02 00 75 ee 48 c7 c7 48 d9 2d 96 c6 05 29 fa 16 02 01 e8 09 f0 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 15 fa 16 02 00 75 cb 48 c7 c7 70 d9 2d # [ 48.015232] RSP: 0018:ffff98cb02a0fe48 EFLA<6>[ 59.500427] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM GS: 00010286 # [ 48.027603] RAX: 0000000000000000 RBX: 000000<6>[ 59.512810] lkdtm: attempting good copy_from_user of correct size 000000002c RCX: 0000000000000000 # [ 48.042068] RDX: ffff9237<6>[ 59.526149] lkdtm: attempting bad copy_from_user of too large size bac2c620 RSI: ffff9237bac1bf50 RDI: ffff9237bac1bf50 # [ 48.056574] RBP: ffffffff96382d6b R08: 0000000000000000 R09: 0000000000000000 # [ 48.071033] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 48.085529] R13: ffff98cb02a0ff10 R14: ffff98cb02a0ff10 R15: ffff92374330d000 # [ 48.099998] FS: 00007fb5bbef9580(0000) GS:ffff9237bac00000(0000) knlGS:0000000000000000 # [ 48.115570] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 48.128486] CR2: 00007fb5bbd03000 CR3: 000000010404e006 CR4: 00000000003706f0 # [ 48.142987] Call Trace: # [ 48.152215] ? __warn+0x80/0x110 # [ 48.162348] ? refcount_warn_saturate+0x51/0x110 # [ 48.173995] ? report_bug+0x9e/0xc0 # [ 48.184421] ? handle_bug+0x41/0x90 # [ 48.194808] ? exc_invalid_op+0x14/0x70 # [ 48.205626] ? asm_exc_invalid_op+0x12/0x20 # [ 48.216796] ? refcount_warn_saturate+0x51/0x110 # [ 48.228459] ? refcount_warn_saturate+0x51/0x110 # [ 48.240116] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 # [ 48.251988] direct_entry.cold+0x2c/0x38 # [ 48.262859] full_proxy_write+0x53/0x80 # [ 48.273661] vfs_write+0xe7/0x3b0 # [ 48.283856] ksys_write+0x68/0xf0 # [ 48.294111] do_syscall_64+0x30/0x40 # [ 48.304579] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 48.316738] RIP: 0033:0x7fb5bbe0f473 # [ 48.327235] 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 # [ 48.354771] RSP: 002b:00007ffc12cc<6>[ 59.690088] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO <6>[ 59.702407] lkdtm: attempting good copy_to_user inside whitelist <6>[ 59.709433] lkdtm: attempting bad copy_to_user outside whitelist 47d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 48.369710] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fb5bbe0f473 # [ 48.384208] RDX: 0000000000000016 RSI: 00007fb5bbd03000 RDI: 0000000000000001 # [ 48.398678] RBP: 00007fb5bbd03000 R08: 00007fb5bbd02010 R09: 0000000000000000 # [ 48.413173] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 48.427638] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 48.442141] irq event stamp: 0 # [ 48.452039] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 48.465564] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 48.481197] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 48.496851] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 48.510360] ---[ end trace 10d994e9f30da97c ]--- # [ 48.522042] lkdtm: Overflow detected: saturated # REFCOUNT_ADD_OVERFLOW: saw 'call trace:': ok ok 43 selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh # [ 48.695216] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 48.709372] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 48.722787] ------------[ cut here ]------------ # [ 48.734455] refcount_t: saturated; leaking memory. # [ 48.746353] WARNING: CPU: 0 PID: 2077 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 48.762275] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc snd_s<6>[ 59.875675] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM <6>[ 59.885916] lkdtm: attempting good copy_from_user inside whitelist oc_da7219 videobuf2_memops videobuf2_v4l2 cros_ec_chardev cros_u<6>[ 59.893124] lkdtm: attempting bad copy_from_user outside whitelist sbpd_charger cros_usbpd_logger cros_ec_lightbar cros_ec_sysfs snd_soc_core cros_ec_sensorhub cros_ec_debugfs snd_compress 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 # [ 48.821235] CPU: 0 PID: 2077 Comm: cat Tainted: G D W 5.10.206-cip41 #1 # [ 48.836414] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 48.849775] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 48.862111] Code: 02 01 e8 e6 ef c5 00 0f 0b c3 cc cc cc cc 80 3d f4 f9 16 02 00 75 a8 48 c7 c7 48 d9 2d 96 c6 05 e4 f9 16 02 01 e8 c3 ef c5 00 <0f> 0b c3 cc cc cc cc 80 3d ce f9 16 02 00 75 85 48 c7 c7 a0 d9 2d # [ 48.889698] RSP: 0018:ffff98cb02a7fe38 EFLAGS: 00010282 # [ 48.902045] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 48.916506] RDX: ffff9237bac2c620 RSI: ffff9237bac1bf50 RDI: ffff9237bac1bf50 # [ 48.931016] RBP: ffffffff963829a8 R08: 0000000000000000 R09: 0000000000000000 # [ 48.945516] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 48.960031] R13: ffff98cb02a7ff10 R14: ffff98cb02a7ff10 R15: ffff923746077000 # [ 48.974524] FS: 00007fb4a741b580(0000) GS:ffff9237bac00000(0000) knlGS:0000000000000000 # [ 48.990121] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 49.003054] CR2: 00007fb4a7225000 CR3: 0000000102cac002 CR4: 00000000003706f0 # [ 49.017570] Call Trace: # [ 49.026847] ? __warn+0x80/0x110 # [ 49.036988] ? refcount_warn_saturate+0x97/0x110 # [ 49.048685] ? report_bug+0x9e/0xc0 # [ 49.059139] ? handle_bug+0x41/0x90 # [ 49.069532] ? exc_invalid_op+0x14/0x70 # [ 49.080387<6>[ 60.069648] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO <6>[ 60.081673] lkdtm: good_stack: ffff98cb035a7e20-ffff98cb035a7e40 ] ? asm_exc_invalid_op+0x12/0x20 # [ 49.091543] ? refcount_<6>[ 60.088708] lkdtm: bad_stack : ffff98cb035a7da8-ffff98cb035a7dc8 <6>[ 60.101911] lkdtm: attempting good copy_to_user of local stack <6>[ 60.108735] lkdtm: attempting bad copy_to_user of distant stack warn_saturate+0x97/0x110 # [ 49.103196] ? refcount_warn_saturate+0x97/0x110 # [ 49.114933] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 49.127572] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 49.140357] direct_entry.cold+0x2c/0x38 # [ 49.151262] full_proxy_write+0x53/0x80 # [ 49.162069] vfs_write+0xe7/0x3b0 # [ 49.172298] ksys_write+0x68/0xf0 # [ 49.182503] do_syscall_64+0x30/0x40 # [ 49.193079] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 49.205253] RIP: 0033:0x7fb4a7331473 # [ 49.215805] 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 # [ 49.243284] RSP: 002b:00007fff94711c98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 49.258269] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fb4a7331473 # [ 49.272724] RDX: 000000000000001f RSI: 00007fb4a7225000 RDI: 0000000000000001 # [ 49.287196] RBP: 00007fb4a7225000 R08: 00007fb4a7224010 R09: 0000000000000000 # [ 49.301667] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 49.316182] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 49.330666] irq event stamp: 0 # [ 49.340601] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 49.354104] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 49.369713] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 49.385402] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 49.398905] ---[ end trace 10d994e9f30da97d ]--- # [ 49.410593] lkdtm: Overflow detec<6>[ 60.280547] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM <6>[ 60.290859] lkdtm: good_stack: ffff98cb0362fe20-ffff98cb0362fe40 <6>[ 60.297873] lkdtm: bad_stack : ffff98cb0362fda8-ffff98cb0362fdc8 <6>[ 60.304889] lkdtm: attempting good copy_from_user of local stack <6>[ 60.311903] lkdtm: attempting bad copy_from_user of distant stack ted: 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 # [ 49.578075] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 49.591665] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 49.605109] ------------[ cut here ]------------ # [ 49.616759] refcount_t: saturated; leaking memory. # [ 49.628676] WARNING: CPU: 0 PID: 2110 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 49.644579] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc snd_soc_da7219 videobuf2_memops videobuf2_v4l2 cros_ec_chardev cros_usbpd_charger cros_usbpd_logger cros_ec_lightbar cros_ec_sysfs snd_soc_core cros_ec_sensorhub cros_ec_debugfs snd_compress 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 # [ 49.703595] CPU: 0 PID: 2110 Comm: cat Tainted: G D W 5.10.206-cip41 #1 # [ 49.718753] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 49.732163] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 49.744434] Code: 02 01 e8 e6 ef c5 00 0f 0b c3 cc cc cc cc 80 3d f4 f9 16 02 00 75 a8 48 c7 c7 48 d9 2d 96 c6 05 e4 f9 16 02 01 e8 c3 ef c5 00 <0f> 0b c3 cc cc cc cc 80 3d ce f9 16 02 00 75 85 48 c7 c7 a0 d9 2d # [ 49.771966] RSP: 0018:ffff98cb02abfe38 EFLAGS: 00010282 # [ 49.784296] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 49.798809] RDX: ffff9237bac2c620 RSI: ffff9237bac1bf50 RDI: ffff9237bac1bf50 # [ 49.813286] RBP: ffffffff963829c8 R08: 0000000000000000 R09: 0000000000000000 # [ 49.827798] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 49.842274] R13: ffff98cb02abff10 R14: ffff98<6>[ 60.511070] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND cb02abff10 R15: ffff92374490b000 # [ 49.856792] FS: 00007fd8<6>[ 60.518772] lkdtm: good_stack: ffff98cb036e7e20-ffff98cb036e7e40 44bf1580(0000) GS:ffff9237bac00000(0000) knlGS:0000000000000000 <6>[ 60.531994] lkdtm: bad_stack : ffff98cb036e7ff8-ffff98cb036e8018 # [ 49.872334] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050<6>[ 60.545249] lkdtm: attempting good copy_to_user of local stack 033 # [ 49.885290] CR2: 00007fd8449fb000 CR3: 0000000102de000<6>[ 60.558292] lkdtm: attempting bad copy_to_user of distant stack 3 CR4: 00000000003706f0 # [ 49.899768] Call Trace: # [ 49.<4>[ 60.571399] lkdtm: copy_to_user failed, but lacked Oops 909058] ? __warn+0x80/0x110 # [ 49.919144] ? refcount_warn_saturate+0x97/0x110 # [ 49.930805] ? report_bug+0x9e/0xc0 # [ 49.941215] ? handle_bug+0x41/0x90 # [ 49.951653] ? exc_invalid_op+0x14/0x70 # [ 49.962432] ? asm_exc_invalid_op+0x12/0x20 # [ 49.973647] ? refcount_warn_saturate+0x97/0x110 # [ 49.985305] ? refcount_warn_saturate+0x97/0x110 # [ 49.997001] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 50.009633] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 50.022413] direct_entry.cold+0x2c/0x38 # [ 50.033281] full_proxy_write+0x53/0x80 # [ 50.044104] vfs_write+0xe7/0x3b0 # [ 50.054304] ksys_write+0x68/0xf0 # [ 50.064551] do_syscall_64+0x30/0x40 # [ 50.075032] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 50.087245] RIP: 0033:0x7fd844b07473 # [ 50.097696] 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 # [ 50.125199] RSP: 002b:00007ffeeb58d088 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 50.140154] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fd844b07473 # [ 50.154662] RDX: 000000000000001f RSI: 00007fd8449fb000 RDI: 0000000000000001 # [ 50.169124] RBP: 00007fd8449fb000 R08: 00007fd8449fa010 R09: 0000000000000000 # [ 50.183623] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 50.198113] R13: 0000000000000001 R14: 0000000000020000 R15: 00<6>[ 60.730089] lkdtm: Performing direct entry USERCOPY_KERNEL <6>[ 60.739401] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff95ef8950 00000000020000 # [ 50.212640] irq event stamp: 0 # [ 50.22<6>[ 60.748374] lkdtm: attempting bad copy_to_user from kernel text: ffffffff944e2c60 <3>[ 60.763233] lkdtm: FAIL: survived bad copy_to_user() 2538] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 50.236062] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 50.251704] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 50.267372] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 50.280853] ---[ end trace 10d994e9f30da97e ]--- # [ 50.292542] lkdtm: Overflow detected: saturated # REFCOUNT_ADD_NOT_ZERO_OVERFLOW: saw 'call trace:': ok ok 45 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_DEC_ZERO.sh # [ 50.435675] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 50.447423] lkdtm: attempting good refcount_dec() # [ 50.459188] lkdtm: attempting bad refcount_dec() to zero # [ 50.471645] ------------[ cut here ]------------ # [ 50.477092] refcount_t: decrement hit 0; leaking memory. # [ 50.483349] WARNING: CPU: 1 PID: 2143 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 50.499251] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc snd_soc_da7219 videobuf2_memops videobuf2_v4l2 cros_ec_chardev cros_usbpd_charger cros_usbpd_logger cros_ec_lightbar cros_ec_sysfs snd_soc_core cros_ec_sensorhub cros_ec_debugfs snd_compress gsmi x86_pkg_temp_thermal cros_e<6>[ 60.905174] lkdtm: Performing direct entry STACKLEAK_ERASING c_dev snd_pcm_dmaengine videobuf2_common regmap_i2c i2c_hid cros<6>[ 60.912625] lkdtm: checking unused part of the thread stack (15928 bytes)... _usbpd_notify cros_kbd_led_backlight chromeos_pstore coreboot_ta<3>[ 60.926997] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) ble # [ 50.558214] CPU: 1 PID: 2143 Comm: cat Tainted: G <3>[ 60.941271] lkdtm: FAIL: the thread stack is NOT properly erased D W 5.10.206-cip41 #1 # [ 50.573375] Hardware name: <4>[ 60.954511] CPU: 0 PID: 2939 Comm: cat Tainted: G D W 5.10.206-cip41 #1 <4>[ 60.969646] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 <4>[ 60.976742] Call Trace: <4>[ 60.979765] dump_stack+0x77/0x9b <4>[ 60.983760] lkdtm_STACKLEAK_ERASING+0x116/0x144 <4>[ 60.989206] direct_entry.cold+0x2c/0x38 <4>[ 60.993874] full_proxy_write+0x53/0x80 <4>[ 60.998451] vfs_write+0xe7/0x3b0 <4>[ 61.002431] ksys_write+0x68/0xf0 <4>[ 61.006420] do_syscall_64+0x30/0x40 <4>[ 61.010705] entry_SYSCALL_64_after_hwframe+0x62/0xc7 <4>[ 61.016646] RIP: 0033:0x7fbe3f63c473 <4>[ 61.020926] 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>[ 61.042201] RSP: 002b:00007ffe17323658 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 <4>[ 61.050948] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fbe3f63c473 <4>[ 61.059209] RDX: 0000000000000012 RSI: 00007fbe3f530000 RDI: 0000000000000001 <4>[ 61.067471] RBP: 00007fbe3f530000 R08: 00007fbe3f52f010 R09: 0000000000000000 <4>[ 61.075731] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <4>[ 61.083992] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 Google Rammus/Rammus, BIOS 09/04/2020 # [ 50.580476] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 50.592832] Code: f8 d9 2d 96 c6 05 95 f9 16 02 01 e8 79 ef c5 00 0f 0b c3 cc cc cc cc 48 c7 c7 c8 d9 2d 96 c6 05 7c f9 16 02 01 e8 5f ef c5 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 50.620338] RSP: 0018:ffff98cb02b47e48 EFLAGS: 00010286 # [ 50.632703] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 # [ 50.647177] RDX: ffff9237bacac620 RSI: ffff9237bac9bf50 RDI: ffff9237bac9bf50 # [ 50.661657] RBP: ffffffff96382d81 R08: 0000000000000000 R09: 0000000000000000 # [ 50.669930] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 50.684400] R13: ffff98cb02b47f10 R14: ffff98cb02b47f10 R15: ffff9237465e8000 # [ 50.698880] FS: 00007f5efddfb580(0000) GS:ffff9237bac80000(0000) knlGS:0000000000000000 # [ 50.708212] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 50.721133] CR2: 00007f5efdc05000 CR3: 0000000102cf8002 CR4: 00000000003706e0 # [ 50.729399] Call Trace: # [ 50.732423] ? __warn+0x80/0x110 # [ 50.742533] ? refcount_warn_saturate+0xfb/0x110 # [ 50.754197] ? report_bug+0x9e/0xc0 # [ 50.764600] ? handle_bug+0x41/0x90 # [ 50.775001] ? exc_invalid_op+0x14/0x70 # [ 50.779578] ? asm_exc_invalid_op+0x12/0x20 # [ 50.790750] ? refcount_warn_saturate+0xfb/0x110 # [ 50.802413] ? refcount_warn_saturate+0xfb/0x110 # [ 50.807861] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd # [ 50.819326] direct_entry.cold+0x2c/0x38 # [ 50.830215] full_proxy_write+0x53/0x80 # [ 50.841005] vfs_write+0xe7/0x3b0 # [ 50.851214<6>[ 61.254057] lkdtm: Performing direct entry CFI_FORWARD_PROTO <6>[ 61.260941] lkdtm: Calling matched prototype ... <6>[ 61.266427] lkdtm: Calling mismatched prototype ... ] ksys_write+0x68/0xf0 # [ 50.855204] do_syscall_64+0x30/0x<6>[ 61.272181] lkdtm: Fail: survived mismatched prototype function call! 40 # [ 50.865702] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 50.871652] RIP: 0033:0x7f5efdd11473 # [ 50.882145] 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 # [ 50.909641] RSP: 002b:00007fffd3d899c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 50.918394] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f5efdd11473 # [ 50.932877] RDX: 0000000000000012 RSI: 00007f5efdc05000 RDI: 0000000000000001 # [ 50.941145] RBP: 00007f5efdc05000 R08: 00007f5efdc04010 R09: 0000000000000000 # [ 50.949410] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 50.957678] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 50.965950] irq event stamp: 0 # [ 50.969659] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 50.976953] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 50.986384] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 51.002025] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 51.009319] ---[ end trace 10d994e9f30da97f ]--- # [ 51.020975] 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 # [ 51.157110] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 51.169908] lkdtm: attempting bad refcount_dec() below zero # [ 51.176467] ------------[ cut here ]------------ # [ 51.181938] refcount_t: decrement hit 0; leaking memory. # [ 51.188201] WARNING: CPU: 3 PID: 2179 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 51.197933] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc snd_soc_da7219 videobuf2_memops videobuf2_v4l2 cros_ec_chardev cros_usbpd_charger cros_usbpd_logger cros_ec_lightbar cros_ec_sysfs snd_soc_core cros_ec_sensorhub cros_ec_debugfs snd_compress 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 # [ 51.250718] CPU: 3 PID: 2179 Comm: cat Tainted: G D W 5.10.206-cip41 #1 # [ 51.265871] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 51.279189] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 51.285347] Code: f8 d9 2d 96 c6 05 95 f9 16 02 01 e8 79 ef c5 00 0f 0b c3 cc cc cc cc 48 c7 c7 c8 d9 2d 96 c6 05 7c f9 16 02 01 e8 5f ef c5 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 51.306651] RSP: 0018:ffff98cb02b9fe48 EFLAGS: 00010286 # [ 51.319002] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 # [ 51.327300] RDX: ffff9237badac620 RSI: ffff9237bad9bf50 RDI: ffff9237bad9bf50 # [ 51.335586] RBP: ffffffff96382d93 R08: 0000000000000000 R09: 0000000000000000 # [ 51.343850] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 51.352113] R13: ffff98cb02b9ff10 R14: ffff98cb02b9ff10 R15: ffff923743de8000 # [ 51.360377] FS: 00007fe6fec32580(0000) GS:ffff9237bad80000(0000) knlGS:0000000000000000 # [ 51.369710] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 51.376420] CR2: 00007fe6fea3c000 CR3: 0000000103fe4001 CR4: 00000000003706e0 # [ 51.384696] Call Trace: # [ 51.387718] ? __warn+0x80/0x110 # [ 51.391651] ? refcount_warn_saturate+0xfb/0x110 # [ 51.397101] ? report_bug+0x9e/0xc0 # [ 51.407496] ? handle_bug+0x41/0x90 # [ 51.411682] ? exc_invalid_op+0x14/0x70 # [ 51.416256] ? asm_exc_invalid_op+0x12/0x20 # [ 51.421222] ? refcount_warn_saturate+0xfb/0x110 # [ 51.426710] ? refcount_warn_saturate+0xfb/0x110 # [ 51.432157] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 # [ 51.437799] direct_entry.cold+0x2c/0x38 # [ 51.442471] full_proxy_write+0x53/0x80 # [ 51.447048] vfs_write+0xe7/0x3b0 # [ 51.451039] ksys_write+0x68/0xf0 # [ 51.455032] do_syscall_64+0x30/0x40 # [ 51.459314] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 51.465248] RIP: 0033:0x7fe6feb48473 # [ 51.469531] 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 # [ 51.490809] RSP: 002b:00007ffce56bb3a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 51.499559] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007fe6feb48473 # [ 51.507823] RDX: 0000000000000016 RSI: 00007fe6fea3c000 RDI: 0000000000000001 # [ 51.516086] RBP: 00007fe6fea3c000 R08: 00007fe6fea3b010 R09: 0000000000000000 # [ 51.524349] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 51.532617] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 51.547104] irq event stamp: 0 # [ 51.557017] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 51.564311] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 51.573742] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 51.583171] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 51.590464] ---[ end trace 10d994e9f30da980 ]--- # [ 51.595910] 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 # [ 51.761061] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 51.770828] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 51.778256] ------------[ cut here ]------------ # [ 51.783710] refcount_t: underflow; use-after-free. # [ 51.789366] WARNING: CPU: 3 PID: 2215 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 51.799095] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc snd_soc_da7219 videobuf2_memops videobuf2_v4l2 cros_ec_chardev cros_usbpd_charger cros_usbpd_logger cros_ec_lightbar cros_ec_sysfs snd_soc_core cros_ec_sensorhub cros_ec_debugfs snd_compress 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 # [ 51.858097] CPU: 3 PID: 2215 Comm: cat Tainted: G D W 5.10.206-cip41 #1 # [ 51.867066] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 51.880385] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 51.886544] Code: 02 01 e8 c3 ef c5 00 0f 0b c3 cc cc cc cc 80 3d ce f9 16 02 00 75 85 48 c7 c7 a0 d9 2d 96 c6 05 be f9 16 02 01 e8 a0 ef c5 00 <0f> 0b c3 cc cc cc cc 80 3d a9 f9 16 02 00 0f 85 5e ff ff ff 48 c7 # [ 51.907822] RSP: 0018:ffff98cb02c7fe40 EFLAGS: 00010286 # [ 51.913951] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 # [ 51.922239] RDX: ffff9237badac620 RSI: ffff9237bad9bf50 RDI: ffff9237bad9bf50 # [ 51.930513] RBP: ffffffff963829e8 R08: 0000000000000000 R09: 0000000000000000 # [ 51.944985] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 51.953248] R13: ffff98cb02c7ff10 R14: ffff98cb02c7ff10 R15: ffff9237457c3000 # [ 51.961512] FS: 00007fa4b5ffd580(0000) GS:ffff9237bad80000(0000) knlGS:0000000000000000 # [ 51.970844] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 51.977544] CR2: 00007fa4b5e07000 CR3: 000000010317a003 CR4: 00000000003706e0 # [ 51.985806] Call Trace: # [ 51.988822] ? __warn+0x80/0x110 # [ 51.992747] ? refcount_warn_saturate+0xba/0x110 # [ 51.998194] ? report_bug+0x9e/0xc0 # [ 52.002380] ? handle_bug+0x41/0x90 # [ 52.006566] ? exc_invalid_op+0x14/0x70 # [ 52.011141] ? asm_exc_invalid_op+0x12/0x20 # [ 52.016107] ? refcount_warn_saturate+0xba/0x110 # [ 52.021588] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 52.028033] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 # [ 52.034548] direct_entry.cold+0x2c/0x38 # [ 52.039220] full_proxy_write+0x53/0x80 # [ 52.043797] vfs_write+0xe7/0x3b0 # [ 52.047813] ksys_write+0x68/0xf0 # [ 52.051805] do_syscall_64+0x30/0x40 # [ 52.056089] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 52.062024] RIP: 0033:0x7fa4b5f13473 # [ 52.066307] 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 # [ 52.087585] RSP: 002b:00007ffd48a256f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 52.096333] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fa4b5f13473 # [ 52.104598] RDX: 000000000000001f RSI: 00007fa4b5e07000 RDI: 0000000000000001 # [ 52.112861] RBP: 00007fa4b5e07000 R08: 00007fa4b5e06010 R09: 0000000000000000 # [ 52.121124] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 52.129387] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 52.137649] irq event stamp: 0 # [ 52.147561] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 52.154854] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 52.170496] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 52.179925] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 52.187219] ---[ end trace 10d994e9f30da981 ]--- # [ 52.192667] 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 # [ 52.344407] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 52.355125] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 52.368739] ------------[ cut here ]------------ # [ 52.380394] refcount_t: underflow; use-after-free. # [ 52.392285] WARNING: CPU: 1 PID: 2251 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 52.408193] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc snd_soc_da7219 videobuf2_memops videobuf2_v4l2 cros_ec_chardev cros_usbpd_charger cros_usbpd_logger cros_ec_lightbar cros_ec_sysfs snd_soc_core cros_ec_sensorhub cros_ec_debugfs snd_compress 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 # [ 52.467151] CPU: 1 PID: 2251 Comm: cat Tainted: G D W 5.10.206-cip41 #1 # [ 52.482314] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 52.495654] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 52.507998] Code: 02 01 e8 c3 ef c5 00 0f 0b c3 cc cc cc cc 80 3d ce f9 16 02 00 75 85 48 c7 c7 a0 d9 2d 96 c6 05 be f9 16 02 01 e8 a0 ef c5 00 <0f> 0b c3 cc cc cc cc 80 3d a9 f9 16 02 00 0f 85 5e ff ff ff 48 c7 # [ 52.535514] RSP: 0018:ffff98cb02d0fe40 EFLAGS: 00010286 # [ 52.547840] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 # [ 52.562314] RDX: ffff9237bacac620 RSI: ffff9237bac9bf50 RDI: ffff9237bac9bf50 # [ 52.570580] RBP: ffffffff96382a08 R08: 0000000000000000 R09: 0000000000000000 # [ 52.585054] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 52.593320] R13: ffff98cb02d0ff10 R14: ffff98cb02d0ff10 R15: ffff923742bf3000 # [ 52.607796] FS: 00007f5528783580(0000) GS:ffff9237bac80000(0000) knlGS:0000000000000000 # [ 52.617132] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 52.630053] CR2: 00007f552858d000 CR3: 000000010317a002 CR4: 00000000003706e0 # [ 52.638319] Call Trace: # [ 52.647556] ? __warn+0x80/0x110 # [ 52.657664] ? refcount_warn_saturate+0xba/0x110 # [ 52.669329] ? report_bug+0x9e/0xc0 # [ 52.679733] ? handle_bug+0x41/0x90 # [ 52.690136] ? exc_invalid_op+0x14/0x70 # [ 52.694710] ? asm_exc_invalid_op+0x12/0x20 # [ 52.705891] ? refcount_warn_saturate+0xba/0x110 # [ 52.717551] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 52.730187] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b # [ 52.742919] direct_entry.cold+0x2c/0x38 # [ 52.747594] full_proxy_write+0x53/0x80 # [ 52.758382] vfs_write+0xe7/0x3b0 # [ 52.768588] ksys_write+0x68/0xf0 # [ 52.778793] do_syscall_64+0x30/0x40 # [ 52.789292] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 52.795228] RIP: 0033:0x7f5528699473 # [ 52.805720] 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 # [ 52.827000] RSP: 002b:00007fffb39fe9a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 52.841960] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f5528699473 # [ 52.850226] RDX: 000000000000001f RSI: 00007f552858d000 RDI: 0000000000000001 # [ 52.858491] RBP: 00007f552858d000 R08: 00007f552858c010 R09: 0000000000000000 # [ 52.872966] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 52.881233] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 52.895728] irq event stamp: 0 # [ 52.899457] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 52.912961] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 52.922394] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 52.938036] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 52.945329] ---[ end trace 10d994e9f30da982 ]--- # [ 52.956987] 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 # [ 53.128454] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 53.136758] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 53.150369] lkdtm: Good: zero detected # [ 53.161058] lkdtm: Correctly stayed at zero # [ 53.166024] lkdtm: attempting bad refcount_inc() from zero # [ 53.178654] ------------[ cut here ]------------ # [ 53.184104] refcount_t: addition on 0; use-after-free. # [ 53.196378] WARNING: CPU: 1 PID: 2284 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 53.212280] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc snd_soc_da7219 videobuf2_memops videobuf2_v4l2 cros_ec_chardev cros_usbpd_charger cros_usbpd_logger cros_ec_lightbar cros_ec_sysfs snd_soc_core cros_ec_sensorhub cros_ec_debugfs snd_compress 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 # [ 53.271244] CPU: 1 PID: 2284 Comm: cat Tainted: G D W 5.10.206-cip41 #1 # [ 53.286405] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 53.293504] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 53.305840] Code: 02 01 e8 09 f0 c5 00 0f 0b c3 cc cc cc cc 80 3d 15 fa 16 02 00 75 cb 48 c7 c7 70 d9 2d 96 c6 05 05 fa 16 02 01 e8 e6 ef c5 00 <0f> 0b c3 cc cc cc cc 80 3d f4 f9 16 02 00 75 a8 48 c7 c7 48 d9 2d # [ 53.327117] RSP: 0018:ffff98cb02d97e48 EFLAGS: 00010286 # [ 53.339456] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 # [ 53.347721] RDX: ffff9237bacac620 RSI: ffff9237bac9bf50 RDI: ffff9237bac9bf50 # [ 53.362194] RBP: ffffffff96382da9 R08: 0000000000000000 R09: 0000000000000000 # [ 53.370459] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 53.378724] R13: ffff98cb02d97f10 R14: ffff98cb02d97f10 R15: ffff923743203000 # [ 53.393200] FS: 00007f7d9404a580(0000) GS:ffff9237bac80000(0000) knlGS:0000000000000000 # [ 53.402533] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 53.415459] CR2: 00007f7d93e54000 CR3: 00000001060a2001 CR4: 00000000003706e0 # [ 53.429934] Call Trace: # [ 53.432958] ? __warn+0x80/0x110 # [ 53.443058] ? refcount_warn_saturate+0x74/0x110 # [ 53.454721] ? report_bug+0x9e/0xc0 # [ 53.458909] ? handle_bug+0x41/0x90 # [ 53.469324] ? exc_invalid_op+0x14/0x70 # [ 53.480115] ? asm_exc_invalid_op+0x12/0x20 # [ 53.491274] ? refcount_warn_saturate+0x74/0x110 # [ 53.502933] ? refcount_warn_saturate+0x74/0x110 # [ 53.508382] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 # [ 53.519847] direct_entry.cold+0x2c/0x38 # [ 53.524522] full_proxy_write+0x53/0x80 # [ 53.535303] vfs_write+0xe7/0x3b0 # [ 53.545510] ksys_write+0x68/0xf0 # [ 53.549503] do_syscall_64+0x30/0x40 # [ 53.559993] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 53.565928] RIP: 0033:0x7f7d93f60473 # [ 53.576419] 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 # [ 53.597700] RSP: 002b:00007ffc2bc428b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 53.612660] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f7d93f60473 # [ 53.620926] RDX: 0000000000000012 RSI: 00007f7d93e54000 RDI: 0000000000000001 # [ 53.635400] RBP: 00007f7d93e54000 R08: 00007f7d93e53010 R09: 0000000000000000 # [ 53.643666] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 53.651931] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 53.666408] irq event stamp: 0 # [ 53.676321] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 53.683617] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 53.699259] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 53.714904] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 53.728414] ---[ end trace 10d994e9f30da983 ]--- # [ 53.733863] 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 # [ 53.902790] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 53.913261] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 53.926874] lkdtm: Good: zero detected # [ 53.937565] lkdtm: Correctly stayed at zero # [ 53.942529] lkdtm: attempting bad refcount_add() from zero # [ 53.955159] ------------[ cut here ]------------ # [ 53.960607] refcount_t: addition on 0; use-after-free. # [ 53.972872] WARNING: CPU: 1 PID: 2317 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 53.988795] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc snd_soc_da7219 videobuf2_memops videobuf2_v4l2 cros_ec_chardev cros_usbpd_charger cros_usbpd_logger cros_ec_lightbar cros_ec_sysfs snd_soc_core cros_ec_sensorhub cros_ec_debugfs snd_compress 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 # [ 54.047784] CPU: 1 PID: 2317 Comm: cat Tainted: G D W 5.10.206-cip41 #1 # [ 54.062919] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 54.076230] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 54.088572] Code: 02 01 e8 09 f0 c5 00 0f 0b c3 cc cc cc cc 80 3d 15 fa 16 02 00 75 cb 48 c7 c7 70 d9 2d 96 c6 05 05 fa 16 02 01 e8 e6 ef c5 00 <0f> 0b c3 cc cc cc cc 80 3d f4 f9 16 02 00 75 a8 48 c7 c7 48 d9 2d # [ 54.109875] RSP: 0018:ffff98cb02e37e48 EFLAGS: 00010286 # [ 54.122213] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 # [ 54.130478] RDX: ffff9237bacac620 RSI: ffff9237bac9bf50 RDI: ffff9237bac9bf50 # [ 54.144952] RBP: ffffffff96382dbb R08: 0000000000000000 R09: 0000000000000000 # [ 54.153218] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 54.167706] R13: ffff98cb02e37f10 R14: ffff98cb02e37f10 R15: ffff92374622b000 # [ 54.175970] FS: 00007faea6459580(0000) GS:ffff9237bac80000(0000) knlGS:0000000000000000 # [ 54.191513] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.198225] CR2: 00007faea6263000 CR3: 0000000102f1e002 CR4: 00000000003706e0 # [ 54.212708] Call Trace: # [ 54.215778] ? __warn+0x80/0x110 # [ 54.225886] ? refcount_warn_saturate+0x74/0x110 # [ 54.231362] ? report_bug+0x9e/0xc0 # [ 54.241762] ? handle_bug+0x41/0x90 # [ 54.252164] ? exc_invalid_op+0x14/0x70 # [ 54.262949] ? asm_exc_invalid_op+0x12/0x20 # [ 54.267915] ? refcount_warn_saturate+0x74/0x110 # [ 54.279569] ? refcount_warn_saturate+0x74/0x110 # [ 54.291232] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 # [ 54.296488] direct_entry.cold+0x2c/0x38 # [ 54.307371] full_proxy_write+0x53/0x80 # [ 54.318159] vfs_write+0xe7/0x3b0 # [ 54.328365] ksys_write+0x68/0xf0 # [ 54.332359] do_syscall_64+0x30/0x40 # [ 54.342851] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 54.355001] RIP: 0033:0x7faea636f473 # [ 54.359284] 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 # [ 54.386768] RSP: 002b:00007ffd43690818 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 54.401734] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007faea636f473 # [ 54.410001] RDX: 0000000000000012 RSI: 00007faea6263000 RDI: 0000000000000001 # [ 54.424474] RBP: 00007faea6263000 R08: 00007faea6262010 R09: 0000000000000000 # [ 54.432738] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 54.447212] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 54.455480] irq event stamp: 0 # [ 54.465384] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 54.472694] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 54.488318] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 54.497748] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 54.511252] ---[ end trace 10d994e9f30da984 ]--- # [ 54.516702] 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 # [ 54.671252] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 54.684137] lkdtm: attempting bad refcount_inc() from saturated # [ 54.697260] ------------[ cut here ]------------ # [ 54.708921] refcount_t: saturated; leaking memory. # [ 54.714595] WARNING: CPU: 1 PID: 2353 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 54.730495] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc snd_soc_da7219 videobuf2_memops videobuf2_v4l2 cros_ec_chardev cros_usbpd_charger cros_usbpd_logger cros_ec_lightbar cros_ec_sysfs snd_soc_core cros_ec_sensorhub cros_ec_debugfs snd_compress 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 # [ 54.789454] CPU: 1 PID: 2353 Comm: cat Tainted: G D W 5.10.206-cip41 #1 # [ 54.804613] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 54.811733] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 54.824076] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 39 fa 16 02 00 75 ee 48 c7 c7 48 d9 2d 96 c6 05 29 fa 16 02 01 e8 09 f0 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 15 fa 16 02 00 75 cb 48 c7 c7 70 d9 2d # [ 54.851571] RSP: 0018:ffff98cb02ebfe48 EFLAGS: 00010286 # [ 54.863916] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 # [ 54.872203] RDX: ffff9237bacac620 RSI: ffff9237bac9bf50 RDI: ffff9237bac9bf50 # [ 54.886660] RBP: ffffffff96382dcd R08: 0000000000000000 R09: 0000000000000000 # [ 54.901136] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 54.909399] R13: ffff98cb02ebff10 R14: ffff98cb02ebff10 R15: ffff923745a98000 # [ 54.917665] FS: 00007f3393e73580(0000) GS:ffff9237bac80000(0000) knlGS:0000000000000000 # [ 54.926998] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.939916] CR2: 00007f3393c7d000 CR3: 000000010270c005 CR4: 00000000003706e0 # [ 54.948180] Call Trace: # [ 54.951205] ? __warn+0x80/0x110 # [ 54.961334] ? refcount_warn_saturate+0x51/0x110 # [ 54.966784] ? report_bug+0x9e/0xc0 # [ 54.977178] ? handle_bug+0x41/0x90 # [ 54.987576] ? exc_invalid_op+0x14/0x70 # [ 54.992152] ? asm_exc_invalid_op+0x12/0x20 # [ 55.003327] ? refcount_warn_saturate+0x51/0x110 # [ 55.014987] ? refcount_warn_saturate+0x51/0x110 # [ 55.020436] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 # [ 55.032386] direct_entry.cold+0x2c/0x38 # [ 55.037060] full_proxy_write+0x53/0x80 # [ 55.047845] vfs_write+0xe7/0x3b0 # [ 55.058052] ksys_write+0x68/0xf0 # [ 55.062044] do_syscall_64+0x30/0x40 # [ 55.072534] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 55.078472] RIP: 0033:0x7f3393d89473 # [ 55.088966] 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 # [ 55.116458] RSP: 002b:00007fff5a526d28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 55.131422] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f3393d89473 # [ 55.139721] RDX: 0000000000000017 RSI: 00007f3393c7d000 RDI: 0000000000000001 # [ 55.154178] RBP: 00007f3393c7d000 R08: 00007f3393c7c010 R09: 0000000000000000 # [ 55.162445] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 55.176918] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 55.185188] irq event stamp: 0 # [ 55.195095] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 55.202390] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 55.218029] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 55.227459] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 55.240960] ---[ end trace 10d994e9f30da985 ]--- # [ 55.246409] 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 # [ 55.408657] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 55.421227] lkdtm: attempting bad refcount_dec() from saturated # [ 55.428149] ------------[ cut here ]------------ # [ 55.433605] refcount_t: decrement hit 0; leaking memory. # [ 55.446058] WARNING: CPU: 3 PID: 2389 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 55.461981] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc snd_soc_da7219 videobuf2_memops videobuf2_v4l2 cros_ec_chardev cros_usbpd_charger cros_usbpd_logger cros_ec_lightbar cros_ec_sysfs snd_soc_core cros_ec_sensorhub cros_ec_debugfs snd_compress 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 # [ 55.521000] CPU: 3 PID: 2389 Comm: cat Tainted: G D W 5.10.206-cip41 #1 # [ 55.529955] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 55.543260] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 55.549413] Code: f8 d9 2d 96 c6 05 95 f9 16 02 01 e8 79 ef c5 00 0f 0b c3 cc cc cc cc 48 c7 c7 c8 d9 2d 96 c6 05 7c f9 16 02 01 e8 5f ef c5 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 55.570697] RSP: 0018:ffff98cb02f47e48 EFLAGS: 00010286 # [ 55.576825] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 # [ 55.585091] RDX: ffff9237badac620 RSI: ffff9237bad9bf50 RDI: ffff9237bad9bf50 # [ 55.593354] RBP: ffffffff96382de4 R08: 0000000000000000 R09: 0000000000000000 # [ 55.601619] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 55.609906] R13: ffff98cb02f47f10 R14: ffff98cb02f47f10 R15: ffff9237429e2000 # [ 55.618172] FS: 00007ff28cb47580(0000) GS:ffff9237bad80000(0000) knlGS:0000000000000000 # [ 55.627503] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.634213] CR2: 00007ff28c951000 CR3: 0000000106448006 CR4: 00000000003706e0 # [ 55.642475] Call Trace: # [ 55.645499] ? __warn+0x80/0x110 # [ 55.649419] ? refcount_warn_saturate+0xfb/0x110 # [ 55.661076] ? report_bug+0x9e/0xc0 # [ 55.665263] ? handle_bug+0x41/0x90 # [ 55.669474] ? exc_invalid_op+0x14/0x70 # [ 55.674048] ? asm_exc_invalid_op+0x12/0x20 # [ 55.679014] ? refcount_warn_saturate+0xfb/0x110 # [ 55.684487] ? refcount_warn_saturate+0xfb/0x110 # [ 55.696147] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f # [ 55.701888] direct_entry.cold+0x2c/0x38 # [ 55.706564] full_proxy_write+0x53/0x80 # [ 55.717355] vfs_write+0xe7/0x3b0 # [ 55.727562] ksys_write+0x68/0xf0 # [ 55.737771] do_syscall_64+0x30/0x40 # [ 55.742084] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 55.748020] RIP: 0033:0x7ff28ca5d473 # [ 55.752302] 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 # [ 55.773579] RSP: 002b:00007ffe96b27278 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 55.782329] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007ff28ca5d473 # [ 55.790592] RDX: 0000000000000017 RSI: 00007ff28c951000 RDI: 0000000000000001 # [ 55.798855] RBP: 00007ff28c951000 R08: 00007ff28c950010 R09: 0000000000000000 # [ 55.807121] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 55.815385] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 55.823656] irq event stamp: 0 # [ 55.833567] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 55.840860] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 55.850289] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 55.859719] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 55.867013] ---[ end trace 10d994e9f30da986 ]--- # [ 55.872459] 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 # [ 56.014364] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 56.022499] lkdtm: attempting bad refcount_dec() from saturated # [ 56.035623] ------------[ cut here ]------------ # [ 56.047282] refcount_t: saturated; leaking memory. # [ 56.052953] WARNING: CPU: 2 PID: 2425 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 56.062678] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc snd_soc_da7219 videobuf2_memops videobuf2_v4l2 cros_ec_chardev cros_usbpd_charger cros_usbpd_logger cros_ec_lightbar cros_ec_sysfs snd_soc_core cros_ec_sensorhub cros_ec_debugfs snd_compress 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 # [ 56.121659] CPU: 2 PID: 2425 Comm: cat Tainted: G D W 5.10.206-cip41 #1 # [ 56.136810] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 56.143934] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 56.150060] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 39 fa 16 02 00 75 ee 48 c7 c7 48 d9 2d 96 c6 05 29 fa 16 02 01 e8 09 f0 c5 00 <0f> 0b c3 cc cc cc cc 80 3d 15 fa 16 02 00 75 cb 48 c7 c7 70 d9 2d # [ 56.171335] RSP: 0018:ffff98cb02fcfe48 EFLAGS: 00010286 # [ 56.177463] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 # [ 56.185726] RDX: ffff9237bad2c620 RSI: ffff9237bad1bf50 RDI: ffff9237bad1bf50 # [ 56.193990] RBP: ffffffff96382dfb R08: 0000000000000000 R09: 0000000000000000 # [ 56.202252] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 56.210514] R13: ffff98cb02fcff10 R14: ffff98cb02fcff10 R15: ffff923743fb5000 # [ 56.218778] FS: 00007f0ae2fa9580(0000) GS:ffff9237bad00000(0000) knlGS:0000000000000000 # [ 56.228111] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.234820] CR2: 00007f0ae2db3000 CR3: 0000000102c46002 CR4: 00000000003706e0 # [ 56.243083] Call Trace: # [ 56.246106] ? __warn+0x80/0x110 # [ 56.250030] ? refcount_warn_saturate+0x51/0x110 # [ 56.255480] ? report_bug+0x9e/0xc0 # [ 56.259669] ? handle_bug+0x41/0x90 # [ 56.263879] ? exc_invalid_op+0x14/0x70 # [ 56.268452] ? asm_exc_invalid_op+0x12/0x20 # [ 56.273419] ? refcount_warn_saturate+0x51/0x110 # [ 56.278897] ? refcount_warn_saturate+0x51/0x110 # [ 56.284345] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 # [ 56.290084] direct_entry.cold+0x2c/0x38 # [ 56.294760] full_proxy_write+0x53/0x80 # [ 56.305551] vfs_write+0xe7/0x3b0 # [ 56.315756] ksys_write+0x68/0xf0 # [ 56.325965] do_syscall_64+0x30/0x40 # [ 56.330278] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 56.336210] RIP: 0033:0x7f0ae2ebf473 # [ 56.340490] 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 # [ 56.361767] RSP: 002b:00007ffe313953f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 56.370518] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f0ae2ebf473 # [ 56.378780] RDX: 0000000000000017 RSI: 00007f0ae2db3000 RDI: 0000000000000001 # [ 56.387044] RBP: 00007f0ae2db3000 R08: 00007f0ae2db2010 R09: 0000000000000000 # [ 56.395307] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 56.403571] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 56.411839] irq event stamp: 0 # [ 56.415568] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 56.422863] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 56.432293] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 56.441722] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 56.449013] ---[ end trace 10d994e9f30da987 ]--- # [ 56.454451] 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 # [ 56.612067] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 56.624031] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 56.631845] ------------[ cut here ]------------ # [ 56.637323] refcount_t: saturated; leaking memory. # [ 56.649193] WARNING: CPU: 2 PID: 2458 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 56.665115] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc snd_soc_da7219 videobuf2_memops videobuf2_v4l2 cros_ec_chardev cros_usbpd_charger cros_usbpd_logger cros_ec_lightbar cros_ec_sysfs snd_soc_core cros_ec_sensorhub cros_ec_debugfs snd_compress 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 # [ 56.724132] CPU: 2 PID: 2458 Comm: cat Tainted: G D W 5.10.206-cip41 #1 # [ 56.733087] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 56.746392] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 56.752519] Code: 02 01 e8 e6 ef c5 00 0f 0b c3 cc cc cc cc 80 3d f4 f9 16 02 00 75 a8 48 c7 c7 48 d9 2d 96 c6 05 e4 f9 16 02 01 e8 c3 ef c5 00 <0f> 0b c3 cc cc cc cc 80 3d ce f9 16 02 00 75 85 48 c7 c7 a0 d9 2d # [ 56.773796] RSP: 0018:ffff98cb0303fe38 EFLAGS: 00010282 # [ 56.779925] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 56.788189] RDX: ffff9237bad2c620 RSI: ffff9237bad1bf50 RDI: ffff9237bad1bf50 # [ 56.796453] RBP: ffffffff96382a28 R08: 0000000000000000 R09: 0000000000000000 # [ 56.804715] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 56.812978] R13: ffff98cb0303ff10 R14: ffff98cb0303ff10 R15: ffff9237463a4000 # [ 56.821241] FS: 00007ff33e384580(0000) GS:ffff9237bad00000(0000) knlGS:0000000000000000 # [ 56.830572] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.837282] CR2: 00007ff33e18e000 CR3: 0000000103318004 CR4: 00000000003706e0 # [ 56.845545] Call Trace: # [ 56.848567] ? __warn+0x80/0x110 # [ 56.852486] ? refcount_warn_saturate+0x97/0x110 # [ 56.857933] ? report_bug+0x9e/0xc0 # [ 56.862120] ? handle_bug+0x41/0x90 # [ 56.866329] ? exc_invalid_op+0x14/0x70 # [ 56.870904] ? asm_exc_invalid_op+0x12/0x20 # [ 56.875869] ? refcount_warn_saturate+0x97/0x110 # [ 56.881342] ? refcount_warn_saturate+0x97/0x110 # [ 56.886790] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 56.893210] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 # [ 56.899825] direct_entry.cold+0x2c/0x38 # [ 56.904496] full_proxy_write+0x53/0x80 # [ 56.909095] vfs_write+0xe7/0x3b0 # [ 56.913090] ksys_write+0x68/0xf0 # [ 56.923299] do_syscall_64+0x30/0x40 # [ 56.933797] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 56.945951] RIP: 0033:0x7ff33e29a473 # [ 56.950257] 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 # [ 56.971533] RSP: 002b:00007fffbee54448 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 56.980282] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007ff33e29a473 # [ 56.988547] RDX: 0000000000000020 RSI: 00007ff33e18e000 RDI: 0000000000000001 # [ 56.996809] RBP: 00007ff33e18e000 R08: 00007ff33e18d010 R09: 0000000000000000 # [ 57.005073] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 57.013333] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 57.021590] irq event stamp: 0 # [ 57.025319] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 57.032617] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 57.048254] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 57.057697] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 57.065020] ---[ end trace 10d994e9f30da988 ]--- # [ 57.070467] 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 # [ 57.216685] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 57.227588] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 57.235388] ------------[ cut here ]------------ # [ 57.240847] refcount_t: saturated; leaking memory. # [ 57.252719] WARNING: CPU: 3 PID: 2491 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 57.268656] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc snd_soc_da7219 videobuf2_memops videobuf2_v4l2 cros_ec_chardev cros_usbpd_charger cros_usbpd_logger cros_ec_lightbar cros_ec_sysfs snd_soc_core cros_ec_sensorhub cros_ec_debugfs snd_compress 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 # [ 57.327616] CPU: 3 PID: 2491 Comm: cat Tainted: G D W 5.10.206-cip41 #1 # [ 57.336589] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 57.343699] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 57.349850] Code: 02 01 e8 e6 ef c5 00 0f 0b c3 cc cc cc cc 80 3d f4 f9 16 02 00 75 a8 48 c7 c7 48 d9 2d 96 c6 05 e4 f9 16 02 01 e8 c3 ef c5 00 <0f> 0b c3 cc cc cc cc 80 3d ce f9 16 02 00 75 85 48 c7 c7 a0 d9 2d # [ 57.371128] RSP: 0018:ffff98cb030cfe38 EFLAGS: 00010282 # [ 57.377256] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 57.385519] RDX: ffff9237badac620 RSI: ffff9237bad9bf50 RDI: ffff9237bad9bf50 # [ 57.393784] RBP: ffffffff96382a48 R08: 0000000000000000 R09: 0000000000000000 # [ 57.402071] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 57.410335] R13: ffff98cb030cff10 R14: ffff98cb030cff10 R15: ffff923745a3b000 # [ 57.418598] FS: 00007f0407801580(0000) GS:ffff9237bad80000(0000) knlGS:0000000000000000 # [ 57.427929] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.434667] CR2: 00007f040760b000 CR3: 00000001064ee004 CR4: 00000000003706e0 # [ 57.442941] Call Trace: # [ 57.452175] ? __warn+0x80/0x110 # [ 57.456100] ? refcount_warn_saturate+0x97/0x110 # [ 57.461548] ? report_bug+0x9e/0xc0 # [ 57.465736] ? handle_bug+0x41/0x90 # [ 57.469923] ? exc_invalid_op+0x14/0x70 # [ 57.474499] ? asm_exc_invalid_op+0x12/0x20 # [ 57.479464] ? refcount_warn_saturate+0x97/0x110 # [ 57.484933] ? refcount_warn_saturate+0x97/0x110 # [ 57.490382] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 57.496803] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 # [ 57.503417] direct_entry.cold+0x2c/0x38 # [ 57.508089] full_proxy_write+0x53/0x80 # [ 57.512668] vfs_write+0xe7/0x3b0 # [ 57.522874] ksys_write+0x68/0xf0 # [ 57.533085] do_syscall_64+0x30/0x40 # [ 57.543582] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 57.549515] RIP: 0033:0x7f0407717473 # [ 57.553797] 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 # [ 57.575098] RSP: 002b:00007ffc3d223ca8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 57.583860] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f0407717473 # [ 57.598329] RDX: 0000000000000020 RSI: 00007f040760b000 RDI: 0000000000000001 # [ 57.606591] RBP: 00007f040760b000 R08: 00007f040760a010 R09: 0000000000000000 # [ 57.614853] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 57.623108] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 57.631374] irq event stamp: 0 # [ 57.635103] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 57.642395] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 57.651826] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 57.661255] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 57.668548] ---[ end trace 10d994e9f30da989 ]--- # [ 57.673993] lkdtm: Saturation detected: still saturated # REFCOUNT_ADD_NOT_ZERO_SATURATED: saw 'call trace:': ok ok 56 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh # selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh # [ 57.820904] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 57.831089] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 57.838891] ------------[ cut here ]------------ # [ 57.844358] refcount_t: underflow; use-after-free. # [ 57.856230] WARNING: CPU: 3 PID: 2527 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 57.872154] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc snd_soc_da7219 videobuf2_memops videobuf2_v4l2 cros_ec_chardev cros_usbpd_charger cros_usbpd_logger cros_ec_lightbar cros_ec_sysfs snd_soc_core cros_ec_sensorhub cros_ec_debugfs snd_compress 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 # [ 57.931168] CPU: 3 PID: 2527 Comm: cat Tainted: G D W 5.10.206-cip41 #1 # [ 57.940124] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 57.953431] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 57.959559] Code: 02 01 e8 c3 ef c5 00 0f 0b c3 cc cc cc cc 80 3d ce f9 16 02 00 75 85 48 c7 c7 a0 d9 2d 96 c6 05 be f9 16 02 01 e8 a0 ef c5 00 <0f> 0b c3 cc cc cc cc 80 3d a9 f9 16 02 00 0f 85 5e ff ff ff 48 c7 # [ 57.980835] RSP: 0018:ffff98cb03157e40 EFLAGS: 00010286 # [ 57.986961] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 # [ 57.995223] RDX: ffff9237badac620 RSI: ffff9237bad9bf50 RDI: ffff9237bad9bf50 # [ 58.003488] RBP: ffffffff96382a68 R08: 0000000000000000 R09: 0000000000000000 # [ 58.011751] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 58.020013] R13: ffff98cb03157f10 R14: ffff98cb03157f10 R15: ffff9237460ed000 # [ 58.028267] FS: 00007fb050f6a580(0000) GS:ffff9237bad80000(0000) knlGS:0000000000000000 # [ 58.037598] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 58.044306] CR2: 00007fb050d74000 CR3: 0000000103fcc004 CR4: 00000000003706e0 # [ 58.052570] Call Trace: # [ 58.055592] ? __warn+0x80/0x110 # [ 58.059516] ? refcount_warn_saturate+0xba/0x110 # [ 58.064964] ? report_bug+0x9e/0xc0 # [ 58.069150] ? handle_bug+0x41/0x90 # [ 58.073358] ? exc_invalid_op+0x14/0x70 # [ 58.077932] ? asm_exc_invalid_op+0x12/0x20 # [ 58.082899] ? refcount_warn_saturate+0xba/0x110 # [ 58.088380] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 58.094825] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 # [ 58.101439] direct_entry.cold+0x2c/0x38 # [ 58.106110] full_proxy_write+0x53/0x80 # [ 58.110723] vfs_write+0xe7/0x3b0 # [ 58.114718] ksys_write+0x68/0xf0 # [ 58.118724] do_syscall_64+0x30/0x40 # [ 58.123008] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 58.128942] RIP: 0033:0x7fb050e80473 # [ 58.133224] 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 # [ 58.154501] RSP: 002b:00007ffca7724d78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 58.163250] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fb050e80473 # [ 58.171515] RDX: 0000000000000020 RSI: 00007fb050d74000 RDI: 0000000000000001 # [ 58.179779] RBP: 00007fb050d74000 R08: 00007fb050d73010 R09: 0000000000000000 # [ 58.188035] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 58.196300] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 58.210787] irq event stamp: 0 # [ 58.220699] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 58.227992] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 58.237422] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 58.246852] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 58.254145] ---[ end trace 10d994e9f30da98a ]--- # [ 58.259593] lkdtm: Saturation detected: still saturated # REFCOUNT_DEC_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok ok 57 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh # [ 58.639908] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 58.652202] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 58.659994] ------------[ cut here ]------------ # [ 58.665447] refcount_t: underflow; use-after-free. # [ 58.671118] WARNING: CPU: 2 PID: 2563 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 58.680843] Modules linked in: fuse ip_tables cros_ec_lid_angle cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio uvcvideo videobuf2_vmalloc snd_soc_da7219 videobuf2_memops videobuf2_v4l2 cros_ec_chardev cros_usbpd_charger cros_usbpd_logger cros_ec_lightbar cros_ec_sysfs snd_soc_core cros_ec_sensorhub cros_ec_debugfs snd_compress 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 # [ 58.739794] CPU: 2 PID: 2563 Comm: cat Tainted: G D W 5.10.206-cip41 #1 # [ 58.748737] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 58.755837] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 58.761965] Code: 02 01 e8 c3 ef c5 00 0f 0b c3 cc cc cc cc 80 3d ce f9 16 02 00 75 85 48 c7 c7 a0 d9 2d 96 c6 05 be f9 16 02 01 e8 a0 ef c5 00 <0f> 0b c3 cc cc cc cc 80 3d a9 f9 16 02 00 0f 85 5e ff ff ff 48 c7 # [ 58.783242] RSP: 0018:ffff98cb031d7e40 EFLAGS: 00010286 # [ 58.789370] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 # [ 58.797649] RDX: ffff9237bad2c620 RSI: ffff9237bad1bf50 RDI: ffff9237bad1bf50 # [ 58.805915] RBP: ffffffff96382a88 R08: 0000000000000000 R09: 0000000000000000 # [ 58.820388] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 58.828650] R13: ffff98cb031d7f10 R14: ffff98cb031d7f10 R15: ffff923745a99000 # [ 58.836912] FS: 00007fe294242580(0000) GS:ffff9237bad00000(0000) knlGS:0000000000000000 # [ 58.846243] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 58.852951] CR2: 00007fe29404c000 CR3: 00000001059ee003 CR4: 00000000003706e0 # [ 58.861214] Call Trace: # [ 58.864235] ? __warn+0x80/0x110 # [ 58.868128] ? refcount_warn_saturate+0xba/0x110 # [ 58.873576] ? report_bug+0x9e/0xc0 # [ 58.877762] ? handle_bug+0x41/0x90 # [ 58.881947] ? exc_invalid_op+0x14/0x70 # [ 58.886521] ? asm_exc_invalid_op+0x12/0x20 # [ 58.891486] ? refcount_warn_saturate+0xba/0x110 # [ 58.896958] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 58.903378] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 # [ 58.909995] direct_entry.cold+0x2c/0x38 # [ 58.914703] full_proxy_write+0x53/0x80 # [ 58.919283] vfs_write+0xe7/0x3b0 # [ 58.929489] ksys_write+0x68/0xf0 # [ 58.939697] do_syscall_64+0x30/0x40 # [ 58.950195] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 58.956130] RIP: 0033:0x7fe294158473 # [ 58.960412] 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 # [ 58.981702] RSP: 002b:00007fffed80b4e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 58.990506] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fe294158473 # [ 58.998781] RDX: 0000000000000020 RSI: 00007fe29404c000 RDI: 0000000000000001 # [ 59.013249] RBP: 00007fe29404c000 R08: 00007fe29404b010 R09: 0000000000000000 # [ 59.021510] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 59.029772] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 59.038029] irq event stamp: 0 # [ 59.041759] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 59.049053] hardirqs last disabled at (0): [] copy_process+0x65c/0x20e0 # [ 59.058481] softirqs last enabled at (0): [] copy_process+0x65c/0x20e0 # [ 59.067908] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 59.075198] ---[ end trace 10d994e9f30da98b ]--- # [ 59.080650] 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 # [ 59.345718] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 59.354904] lkdtm: attempting good copy_to_user of correct size # [ 59.361864] lkdtm: attempting bad copy_to_user of too large size # USERCOPY_HEAP_SIZE_TO: missing 'call trace:': [FAIL] not ok 61 selftests: lkdtm: USERCOPY_HEAP_SIZE_TO.sh # exit=1 # selftests: lkdtm: USERCOPY_HEAP_SIZE_FROM.sh # [ 59.500427] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 59.512810] lkdtm: attempting good copy_from_user of correct size # [ 59.526149] lkdtm: attempting bad copy_from_user of too large size # USERCOPY_HEAP_SIZE_FROM: missing 'call trace:': [FAIL] not ok 62 selftests: lkdtm: USERCOPY_HEAP_SIZE_FROM.sh # exit=1 # selftests: lkdtm: USERCOPY_HEAP_WHITELIST_TO.sh # [ 59.690088] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 59.702407] lkdtm: attempting good copy_to_user inside whitelist # [ 59.709433] 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 # [ 59.875675] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 59.885916] lkdtm: at<6>[ 66.773944] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) tempting good copy_from_user inside whitelist # [ 59.893124] <6>[ 66.787207] pci 0000:00:1e.6: deferred probe pending 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 # [ 60.069648] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 60.081673] lkdtm: good_stack: ffff98cb035a7e20-ffff98cb035a7e40 # [ 60.088708] lkdtm: bad_stack : ffff98cb035a7da8-ffff98cb035a7dc8 # [ 60.101911] lkdtm: attempting good copy_to_user of local stack # [ 60.108735] lkdtm: attempting bad copy_to_user of distant stack # USERCOPY_STACK_FRAME_TO: missing 'call trace:': [FAIL] not ok 65 selftests: lkdtm: USERCOPY_STACK_FRAME_TO.sh # exit=1 # selftests: lkdtm: USERCOPY_STACK_FRAME_FROM.sh # [ 60.280547] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 60.290859] lkdtm: good_stack: ffff98cb0362fe20-ffff98cb0362fe40 # [ 60.297873] lkdtm: bad_stack : ffff98cb0362fda8-ffff98cb0362fdc8 # [ 60.304889] lkdtm: attempting good copy_from_user of local stack # [ 60.311903] lkdtm: attempting bad copy_from_user of distant stack # USERCOPY_STACK_FRAME_FROM: missing 'call trace:': [FAIL] not ok 66 selftests: lkdtm: USERCOPY_STACK_FRAME_FROM.sh # exit=1 # selftests: lkdtm: USERCOPY_STACK_BEYOND.sh # [ 60.511070] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 60.518772] lkdtm: good_stack: ffff98cb036e7e20-ffff98cb036e7e40 # [ 60.531994] lkdtm: bad_stack : ffff98cb036e7ff8-ffff98cb036e8018 # [ 60.545249] lkdtm: attempting good copy_to_user of local stack # [ 60.558292] lkdtm: attempting bad copy_to_user of distant stack # [ 60.571399] lkdtm: copy_to_user failed, but lacked Oops # USERCOPY_STACK_BEYOND: missing 'call trace:': [FAIL] not ok 67 selftests: lkdtm: USERCOPY_STACK_BEYOND.sh # exit=1 # selftests: lkdtm: USERCOPY_KERNEL.sh # [ 60.730089] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 60.739401] lkdtm: attempting good copy_to_user from kernel rodata: ffffffff95ef8950 # [ 60.748374] lkdtm: attempting bad copy_to_user from kernel text: ffffffff944e2c60 # [ 60.763233] 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 # [ 60.905174] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 60.912625] lkdtm: checking unused part of the thread stack (15928 bytes)... # [ 60.926997] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) # [ 60.941271] lkdtm: FAIL: the thread stack is NOT properly erased # [ 60.954511] CPU: 0 PID: 2939 Comm: cat Tainted: G D W 5.10.206-cip41 #1 # [ 60.969646] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 60.976742] Call Trace: # [ 60.979765] dump_stack+0x77/0x9b # [ 60.983760] lkdtm_STACKLEAK_ERASING+0x116/0x144 # [ 60.989206] direct_entry.cold+0x2c/0x38 # [ 60.993874] full_proxy_write+0x53/0x80 # [ 60.998451] vfs_write+0xe7/0x3b0 # [ 61.002431] ksys_write+0x68/0xf0 # [ 61.006420] do_syscall_64+0x30/0x40 # [ 61.010705] entry_SYSCALL_64_after_hwframe+0x62/0xc7 # [ 61.016646] RIP: 0033:0x7fbe3f63c473 # [ 61.020926] 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 # [ 61.042201] RSP: 002b:00007ffe17323658 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 61.050948] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fbe3f63c473 # [ 61.059209] RDX: 0000000000000012 RSI: 00007fbe3f530000 RDI: 0000000000000001 # [ 61.067471] RBP: 00007fbe3f530000 R08: 00007fbe3f52f010 R09: 0000000000000000 # [ 61.075731] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 61.083992] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # STACKLEAK_ERASING: missing 'OK: the rest of the thread stack is properly erased': [FAIL] not ok 69 selftests: lkdtm: STACKLEAK_ERASING.sh # exit=1 # selftests: lkdtm: CFI_FORWARD_PROTO.sh # [ 61.254057] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 61.260941] lkdtm: Calling matched prototype ... # [ 61.266427] lkdtm: Calling mismatched prototype ... # [ 61.272181] 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 / #